CN210861729U

CN210861729U - Fan mounting structure of gas water heater

Info

Publication number: CN210861729U
Application number: CN201921185805.2U
Authority: CN
Inventors: 金晶
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-06-26
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to a fan mounting structure of gas heater, including fan, combustion chamber, first mounting panel and second mounting panel, one of them is continuous with the fan in first mounting panel and the second mounting panel, it is corresponding, another in first mounting panel and the second mounting panel links to each other with the combustion chamber, the relative both sides wall department of first mounting panel is equipped with first connecting portion and second connecting portion respectively, correspondingly, the relative both sides wall department of second mounting panel is equipped with first cooperation portion and second cooperation portion respectively, wherein, second connecting portion and second cooperation portion cartridge cooperation; the first connecting portion is a connecting strip provided with a clamping hole, the first matching portion is a clamping portion which can be detachably clamped into the clamping hole, and the clamping portion is provided with a buckling pin which can be abutted against the connecting strip. The utility model discloses a realize connecting with dismantling through cartridge cooperation and buckle cooperation between first mounting panel and the second mounting panel, for the mode of screw connection, can realize quick assembly disassembly to can relapse the dismouting.

Description

Fan mounting structure of gas water heater

Technical Field

The utility model belongs to the technical field of gas heater, concretely relates to gas heater's fan mounting structure.

Background

In the existing gas water heater, a fan and a combustion chamber are usually connected through a fan fixing plate, the fan is riveted with the fan fixing plate, the fan fixing plate is connected with the combustion chamber through a screw, the fan and other parts such as the combustion chamber are connected to form a component, and then the component is integrally placed into a shell of the gas water heater to be assembled. When the fan fails and needs to be disassembled and replaced, the fan and other parts such as a combustion chamber and the like are integrally taken out and then the fan is disassembled from the assembly; when the gas water heater is replaced, the fan and other parts such as the combustion chamber and the like must be connected to form an assembly, and then the assembly is integrally placed into the shell of the gas water heater to be assembled, so that the defects that the fan in the gas water heater is inconvenient to detach and replace and the like exist.

For overcoming these defects, chinese utility model patent that patent number is ZL201020545376.8 (bulletin number is CN201811438U) discloses connection structure of fan and combustion chamber of gas heater, including the fan, the fan fixed plate, and a support, the combustion chamber, the fan is connected with the fan fixed plate, the fan fixed plate passes through the support and is connected with the combustion chamber, during the installation, be connected fixedly with support and combustion chamber, be connected fixedly with fan and fan fixed plate, insert the location incision on the support with the location limit on the fan fixed plate, the fixed plate limit of bending on the fan fixed plate is equipped with the support limit of bending on with the support and is laminated mutually, and the through-hole aligns with the screw hole, pass the through-hole with the screw in proper order from perpendicular gas heater's preceding shell plane direction, the screw hole locks, thereby realize being connected between fan and the combustion chamber.

When the fan in the gas water heater breaks down and needs to be detached, the screw is detached, the fan and the fan fixing plate are integrally pulled out from the bracket along the direction opposite to the direction in which the positioning edge is inserted into the positioning notch, and the fan can be detached from the gas water heater. The fan is dismantled from the subassembly again after the subassembly that need not be connected other spare parts such as fan and combustion chamber and constitute is whole to take out to it is more convenient to make the dismantlement fan, in order to make things convenient for the maintenance.

However, the patent has the following defects: 1. the fan fixing plate is connected with one side of the support through a screw, and the other side of the fan fixing plate is assembled through the clamping of the positioning edge and the positioning notch, so that the assembly and disassembly through the screw are not convenient enough, and after repeated assembly and disassembly, the threaded connection part is worn, so that the fan fixing plate and the support are not firmly connected; 2. if a gap exists between the fan and the airflow channel of the combustion chamber, air leakage can be caused; 3. when the fan works, the fan can generate vibration and generate noise.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, a gas heater's of ability quick assembly disassembly fan mounting structure is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a fan mounting structure of a gas water heater comprises a fan, a combustion chamber, a first mounting plate and a second mounting plate, wherein one of the first mounting plate and the second mounting plate is connected with the fan, the other one of the first mounting plate and the second mounting plate is correspondingly connected with the combustion chamber, a first connecting part and a second connecting part are respectively arranged at two opposite side walls of the first mounting plate, correspondingly, a first matching part and a second matching part are respectively arranged at two opposite side walls of the second mounting plate, and the second connecting part and the second matching part are matched in a plug-in mode;

the connecting structure is characterized in that the first connecting portion is a connecting strip provided with a clamping hole, the first matching portion is a clamping portion which can be detachably clamped into the clamping hole, and the clamping portion is provided with a buckling pin which can be abutted against the connecting strip.

In order to facilitate the quick card of card income card of card portion downthehole or break away from the card hole, card portion includes that an organic whole links to each other and has first support arm and the second support arm of contained angle, first support arm extends towards the connecting strip, and on the corresponding lateral wall of second mounting panel was located to first end of first support arm, the reverse bending type of second end and formation have the free end the second support arm, first support arm and second support arm lean on the relative both sides wall in the card hole on the connecting strip respectively, just have the kink on the second support arm and form detain the foot, the junction of at least first support arm and second support arm has elasticity in the card portion. So through the elasticity of card portion and realize with the joint in card hole or break away from, it is quick convenient.

For preventing card income portion and card hole break away from under the artificial condition of non under the state of the card hole block on card income portion and the connecting strip, wear to be equipped with spacing reference column in the card hole outside in the card income portion, the first end of reference column is equipped with the stopper that offsets with card income portion, the reference column has the second end that can buckle and offset and can the reconversion with card income portion, and the setting of reference column has guaranteed that card income portion and card hole can not break away from under the artificial condition of non, has guaranteed the connection steadiness of the two.

The first connecting portion and the second matching portion can be in various matching forms, preferably, flanges perpendicular to the first connecting portion and the second matching portion are formed at the edge of the second mounting plate, the second matching portion is a slot formed in the connecting portion of the flanges and the second mounting plate, and the second connecting portion is an inserting piece capable of being inserted into the slot.

To prevent the insert from disengaging from the slot in an unintended situation, the insert is angled relative to the first mounting plate. Therefore, the insert piece slightly tilts at a certain angle, and relative to the structural form that the insert piece and the first connecting plate are positioned on the same plane, the insert piece is not easy to separate from the slot.

Because of under the certain angle's of insert perk the condition, in the slot is inserted to the insert for the convenience, the outer fringe of first mounting panel has the framework that extends towards the second mounting panel along the circumference shaping, the insert links to each other and contained angle α between the two is less than 90.

In order to enable the airflow of the fan to smoothly enter the combustion chamber, the first mounting plate is connected with a volute of the fan, the volute is provided with an air outlet, the combustion chamber is provided with an air inlet which is in fluid communication with the air outlet, and the first mounting plate and the second mounting plate are both provided with air vents which are communicated with the air inlet and the air outlet.

In order to prevent poor sealing performance between fan and the combustion chamber, the outer fringe of first mounting panel has the framework that extends towards the second mounting panel along the circumference shaping, be equipped with in the framework and enclose the sealing washer of establishing in the vent periphery. The sealing ring is arranged to ensure the sealing property between the fan and the combustion chamber, so that the air flow of the volute is prevented from leaking out and not entering the combustion chamber; secondly, can alleviate the vibration of fan during operation, the noise reduction.

In order to further improve the sealing performance between the fan and the combustion chamber, the thickness of the sealing ring is larger than that of the frame body.

In order to firmly connect the fan and the first mounting plate, a connecting plate extending towards the volute is formed on the first mounting plate at the periphery of the vent, a first connecting hole is formed in the connecting plate, a second connecting hole is formed in the volute, and the first connecting hole and the second connecting hole are connected through a connecting piece.

Compared with the prior art, the utility model has the advantages that: 1. the fan and the combustion chamber of the utility model are connected through the first connecting plate and the second connecting plate, the first mounting plate and the second mounting plate are detachably connected through the plug-in fit and the buckle fit, and compared with the screw connection mode, the fan can be quickly disassembled and assembled, and the connecting part is not easy to wear and can be repeatedly disassembled and assembled; 2. the utility model discloses a be provided with the sealing washer between fan and the combustion chamber, the air current that the sealing washer can not only prevent that the fan from blowing off leaks to other places, can also play certain damping effect.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a schematic structural view of the second connecting plate of FIG. 2;

FIG. 6 is a schematic structural diagram of the first connecting plate in FIG. 2;

FIG. 7 is a schematic view of the structure of FIG. 6 in another direction;

fig. 8 is a schematic structural view of embodiment 2 of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 7, the fan mounting structure of a gas water heater in the preferred embodiment includes a fan 1, a combustion chamber 2, a first mounting plate 3 and a second mounting plate 4, the fan 1 is connected to the first mounting plate 3, the combustion chamber 2 is connected to the second mounting plate 4, two opposite side walls of the first mounting plate 3 are respectively provided with a first connecting portion and a second connecting portion, correspondingly, two opposite side walls of the second mounting plate 4 are provided with a first matching portion and a second matching portion, wherein the first connecting portion is in snap fit with the first matching portion, and the second connecting portion is in cartridge fit with the second matching portion.

The first mounting plate 3 is connected with a volute 11 of the fan 1, the volute 11 is provided with an air outlet 111, the combustion chamber 2 is provided with an air inlet 21 which is in fluid communication with the air outlet 111, and the first mounting plate 3 and the second mounting plate 4 are both provided with air vents 34 which are communicated with the air inlet 21 and the air outlet 111.

The first mounting plate 3 is provided with a connecting plate 35 extending towards the scroll casing 11 at the periphery of the ventilation opening 34, the connecting plate 35 is provided with a first connecting hole 351, the scroll casing 11 is provided with a second connecting hole 112, and the first connecting hole 351 and the second connecting hole 112 are connected through a connecting member (such as a pin). In this embodiment, the connection plates 35 are arranged along the circumferential direction of the scroll casing 11, so as to improve the connection stability between the fan 1 and the first mounting plate 3.

A frame 33 extending toward the second mounting plate 4 is formed on the outer edge of the first mounting plate 3 along the circumferential direction, a seal ring 6 is arranged in the frame 33, the seal ring 6 surrounds the periphery of a vent 34 formed on the first mounting plate 3, and the thickness of the seal ring 6 is larger than that of the frame 33. The sealing ring 6 can prevent air leakage at the air flow channel and can play a role in damping vibration when the fan 1 works.

In this embodiment, the first connecting portion is a connecting strip 31 having a card hole 311, and the first engaging portion is a locking portion 41 detachably locked in the card hole 311.

The locking portion 41 is an elastic member, and includes a first arm 412 and a second arm 413 connected to each other and having an included angle, the first arm 412 extends toward the connecting bar 31, a first end of the first arm 412 is disposed on a corresponding side wall of the second mounting plate 4, a second end of the first arm is bent reversely to form a second arm 413 having a free end, the first arm 412 and the second arm 413 respectively abut against two opposite side walls of the locking hole 311 on the connecting bar 31, and the second arm 413 has a bending portion to form a locking pin 411 capable of abutting against the connecting bar 31.

Of course, the connection between the first arm 412 and the second arm 413 of the locking portion 41 may be elastic, so that the locking portion 41 can be deformed to be disengaged from the locking hole 311 or to be limited in the locking hole 311.

In this embodiment, the second connecting portion is the insert 32 disposed on one of the side walls of the frame 33, and the included angle α between the insert 32 and the corresponding side wall of the frame 33 is smaller than 90 °, and correspondingly, the second mating portion is the slot 42 into which the insert 32 is inserted, because the included angle α is smaller than 90 °, the insert 32 slightly tilts and cannot easily disengage from the slot 42, and the insert 32 is ensured to be stably inserted into the slot 42.

During installation, fan 1 and first mounting panel 3 are connected fixedly, second mounting panel 4 and combustion chamber 2 are connected fixedly, insert 32 on first mounting panel 3 inserts slot 42 on second mounting panel 4, then remove first mounting panel 3, make the card portion 41 card of going into on second mounting panel 4 establish in the card hole 311 on first mounting panel 3 to realize being connected between fan 1 and the combustion chamber 2.

When the fan 1 in the gas water heater fails and needs to be detached, the fan 1 and the first mounting plate 3 are firstly moved to enable the clamping portion 41 on the second mounting plate 4 to be separated from the clamping hole 311 on the first mounting plate 3, then the fan 1 and the first mounting plate 3 are integrally pulled out from the second mounting plate 4 along the direction in which the inserting piece 32 is inserted into the inserting groove 42, and then the fan 1 can be detached from the gas water heater. Need not take out the back with the subassembly that fan 1 and other spare parts such as combustion chamber 2 were connected and are constituteed wholly, pull down fan 1 from the subassembly again to it is more convenient to make the dismantlement fan 1, in order to make things convenient for the maintenance.

Of course, the fan 1 may be fixedly connected to the second mounting plate 4, and the first mounting plate 3 may be fixedly connected to the combustion chamber 2.

Example 2

As shown in fig. 8, in a state where the card-in portion 41 is engaged with the card hole 311 of the connecting strip 31, a positioning column 5 for limiting the outside of the card hole 311 is inserted into the card-in portion 41, a first end of the positioning column 5 is provided with a limiting block 51 abutting against the card-in portion 41, and the positioning column 5 has a second end 52 capable of bending to abut against the card-in portion 41 and restoring to its original shape.

After the blower 1 and the combustion chamber 2 are assembled in place, the positioning column 5 is inserted into the clamping part 41 until the limiting block 51 abuts against the clamping part 41, and then the second end 52 of the positioning column 5 is bent to abut against the second end 52 of the positioning column 5 against the clamping part 41, so that the limiting of the positioning column 5 on the clamping part 41 is completed; when the positioning column 5 needs to be detached, the second end 52 of the positioning column 5 is restored to the original shape, and then the positioning column 5 is pulled out from the snap-in portion 41.

The positioning post 5 is made of soft metal material, such as aluminum.

Claims

1. A fan mounting structure of a gas water heater comprises a fan (1), a combustion chamber (2), a first mounting plate (3) and a second mounting plate (4), wherein one of the first mounting plate (3) and the second mounting plate (4) is connected with the fan (1) and corresponds to the fan, the other of the first mounting plate (3) and the second mounting plate (4) is connected with the combustion chamber (2), two opposite side walls of the first mounting plate (3) are respectively provided with a first connecting part and a second connecting part, correspondingly, two opposite side walls of the second mounting plate (4) are respectively provided with a first matching part and a second matching part, and the second connecting part and the second matching part are in plug-in fit;

the connecting structure is characterized in that the first connecting portion is a connecting strip (31) provided with a clamping hole (311), the first matching portion is a clamping portion (41) which can be detachably clamped into the clamping hole (311), and the clamping portion (41) is provided with a buckling pin (411) which can be abutted against the connecting strip (31).

2. The fan mounting structure of a gas water heater according to claim 1, wherein: portion (41) are gone into including integrative first support arm (412) and the second support arm (413) that links to each other and have the contained angle, first support arm (412) extend towards connecting strip (31), and on the corresponding lateral wall of second mounting panel (4) was located to first end of first support arm (412), the reverse bending type of second end formed and has the free end second support arm (413), first support arm (412) and second support arm (413) lean on the relative both sides wall of card hole (311) on connecting strip (31) respectively, just have the kink on second support arm (413) and form detain foot (411), the junction of at least first support arm (412) and second support arm (413) has elasticity on card portion (41).

3. The fan mounting structure of a gas water heater according to claim 2, wherein: under the state of card hole (311) block on card portion (41) and connecting strip (31), wear to be equipped with spacing reference column (5) in card hole (311) outside in card portion (41), the first end of reference column (5) is equipped with stopper (51) that offsets with card portion (41) of going into, reference column (5) have can buckle and offset and can reconversion second end (52) with card portion (41) of going into.

4. The fan mounting structure of a gas water heater according to claim 1, wherein: the border department shaping of second mounting panel (4) has rather than vertically turn-ups (43), second cooperation portion is for offering slot (42) of the junction of aforementioned turn-ups (43) and second mounting panel (4), second connecting portion are for inserting insert (32) of locating in slot (42).

5. The fan mounting structure of a gas water heater according to claim 4, wherein: the insert (32) is angled relative to the first mounting plate (3).

6. The fan mounting structure of the gas water heater according to claim 5, wherein the outer edge of the first mounting plate (3) is formed with a frame (33) extending towards the second mounting plate (4) along the circumferential direction, and the insert (32) is connected with one side wall of the frame (33) and the included angle α between the two is smaller than 90 degrees.

7. The fan mounting structure of a gas water heater according to any one of claims 1 to 5, wherein: the first mounting plate (3) is connected with a volute (11) of the fan (1), the volute (11) is provided with an air outlet (111), the combustion chamber (2) is provided with an air inlet (21) which is communicated with the air outlet (111) in a fluid mode, and the first mounting plate (3) and the second mounting plate (4) are respectively provided with a ventilation opening (34) which is communicated with the air inlet (21) and the air outlet (111).

8. The fan mounting structure of a gas water heater according to claim 7, wherein: the outer fringe of first mounting panel (3) has framework (33) towards second mounting panel (4) extension along circumference shaping, be equipped with in framework (33) and enclose sealing washer (6) of establishing in vent (34) periphery.

9. The fan mounting structure of a gas water heater according to claim 8, wherein: the thickness of the sealing ring (6) is larger than that of the frame body (33).

10. The fan mounting structure of a gas water heater according to claim 7, wherein: the periphery shaping of vent (34) above that on first mounting panel (3) has connecting plate (35) towards spiral case (11) extension, seted up first connecting hole (351) on connecting plate (35), seted up second connecting hole (112) on spiral case (11), link to each other through the connecting piece between first connecting hole (351) and the second connecting hole (112).