CN201638337U

CN201638337U - Heat fire detector

Info

Publication number: CN201638337U
Application number: CN2010201181622U
Authority: CN
Inventors: 刘超平; 勾利金
Original assignee: Hebei Beida Jade Bird Universal Fire Alarm Device Co Ltd
Current assignee: Beida Jade Bird Universal Fire Alarm Device Co ltd; Hebei Beida Jade Bird Universal Fire Fighting Equipment Ltd By Share Ltd
Priority date: 2010-02-11
Filing date: 2010-02-11
Publication date: 2010-11-17
Anticipated expiration: 2020-02-11

Abstract

The utility model discloses a heat fire detector, which comprises an upper casing, a temperature sensing plate, a middle cap, elastic plates, a base, a circuit board, terminals and a terminal sealing seat. The heat fire detector is characterized in that the temperature sensing plate, the circuit board and the upper casing are fastened on the middle cap, the elastic plates are fixed in elastic plate grooves arranged on the middle cap, the terminals are clamped on the base via the terminal sealing seat, and the base is locked with the upper casing. In the heat fire detector, the upper casing, the temperature sensing plate, a light guide, the middle cap and the base are connected in a snap-fit form, the terminal is fixed on the base via the terminal sealing seat, the elastic plates are elastically pressed and connected with the terminals and the circuit so as to switch on the circuit, and the elements can be fixed without welding, thereby reducing complex processes, saving assembly steps and increasing working efficiency.

Description

Heat fire detector

Technical field

The utility model relates to a kind of heat fire detector.

Background technology

Heat fire detector generally comprises interconnective upper and lower two parts, and top comprises upper casing, temperature-sensitive dish, leaded light post, the middle button and shell fragment, and the bottom comprises base, terminal and terminal sealing lid.Existing heat fire detector adopts welding or is spirally connected between the components and parts of foregoing circuit, this dual mode all needs the manual single-piece of staff to finish, usually detector is to produce in enormous quantities, so rate ratio is bigger, like this, cause the production cycle long, efficient is low.

The utility model content

In view of this, the technical problems to be solved in the utility model is to provide a kind of heat fire detector, adopts the buckle connected mode between its inner each parts, saves operation, increases work efficiency.

For solving the problems of the technologies described above, the technical solution of the utility model is achieved in that on a kind of heat fire detector, comprise upper casing, temperature-sensitive dish, middlely buckle, shell fragment, base, wiring board, terminal and terminal sealing seat, buckle in described and be snapped with temperature-sensitive dish, wiring board and upper casing; During being fixed on, buckles on described shell fragment in the shell fragment groove of offering; Described terminal is connected on the chassis by the terminal sealing seat; Clamping between described chassis and the upper casing.

Be connected with the leaded light post on the described temperature-sensitive dish, this leaded light post passes temperature-sensitive dish and upper casing, and exposes upper casing 0.5mm.

Described heat detector is provided with water draw-off.

Described water draw-off comprises that the edge of temperature-sensitive dish and buckle joining place offers the sluicing groove, and should communicate with the weep hole of described upper casing by the sluicing groove.

Described shell fragment links to each other with wiring board with terminal by the mode of suppressing.

The technique effect that the utility model reaches is as follows: heat fire detector of the present utility model, upper casing, temperature-sensitive dish, leaded light post, middlely buckle, the form clamping by buckle between the base, terminal is fixed on the base by the terminal sealing lid, shell fragment is realized the conducting of circuit with the mode splicing ear that suppresses and wiring board, so, do not need between the above-mentioned components and parts to fix, thereby reduced loaded down with trivial details operation by the mode of welding, save assembling, increase work efficiency.In addition, the leaded light post with the pilot light on wiring board guiding upper casing outer and, expose the upper casing certain distance, thereby make the user can observe pilot lamp situation on the wiring board from 360 degree all angles.Have, also have water draw-off on the utility model detector, discharge the moisture that enters detector inside, detector is had in the external world still can operate as normal under the situation of water.

Description of drawings

Fig. 1 is the structural drawing of the utility model heat detector;

Fig. 2 is the three-dimensional exploded view of Fig. 1;

Fig. 3 is the stereographic map of upper casing;

Fig. 4 is the vertical view of Fig. 3;

Fig. 5 is the stereographic map of temperature-sensitive dish;

Fig. 6 is the vertical view of Fig. 5;

Fig. 7 is the stereographic map of leaded light post;

Fig. 8 is another angle synoptic diagram of Fig. 7;

Fig. 9 is the stereographic map of middle button;

Figure 10 is the upward view of Fig. 9;

Figure 11 is the stereographic map of shell fragment;

Figure 12 is the stereographic map of base;

Figure 13 is another angle synoptic diagram of Figure 12;

Figure 14 is the upward view of Figure 12;

Figure 15 is the A-A structural representation of Figure 14;

Figure 16 is the structural representation of terminal.

Embodiment

As Fig. 1-shown in Figure 16, be the utility model heat detector.Comprise upper casing 1, temperature-sensitive dish 2, middlely buckle 4, shell fragment 5, base 6, wiring board 10, terminal 7 and terminal sealing seat 8, be snapped with temperature-sensitive dish 5, wiring board 10 and upper casing 1 on the middle button 4; In the shell fragment groove of offering on the button 4 during shell fragment 5 is fixed on; Terminal 7 is connected on the chassis 6 by terminal sealing seat 8; Clamping between chassis 6 and the upper casing 1.

Offer on the upper casing 1 weep hole 11, leaded light post by hole 12, air-flow guiding fan thorn 13, reserve open keyhole 14 (during no key from then on hole unblank) and buckle 15 with the straight screwdriver insertion, draw-in groove 15 is used for blocking the buckle 41 of button 4, and upper casing 1 and middle button 4 are solidified as a whole.

Offer sluicing groove 21, leaded light post pickup groove 22, thermistor on the temperature-sensitive dish 2 and pass hole 23, draw-in groove 24, the buckle 43 corresponding settings and fixedly connected of draw-in groove 24 and middle button 4 are buckled on 4 temperature-sensitive dish 2 in being fixed on.Water draw-off comprises in sluicing groove 21 correspondences sluicing groove passage that the sluicing groove 47 offered on the button 4 forms, and offers the communicate path of formation of weep hole 11 on this sluicing groove passage and the upper casing 1.Because the utility model detector generally is installed in the roof with base and places down, when external environments such as roof have water, button was 4 o'clock during water entered by chassis 6, water enters sluicing groove passage, water just stays along inner walls, discharge through the weep hole 11 of upper casing 1 at last, send out into fault thereby avoided Circuits System such as wiring board to run into water.

Offer aligning structure 31 on the leaded light post 3, preceding 31 pickup grooves 22 of aiming at temperature-sensitive dish 2 are installed are inserted, thereby leaded light post 2 is fixed on the temperature-sensitive dish 2.Offer position limiting structure 32 on the leaded light post 3, after leaded light post 3 inserts pickup groove 22, leaded light post 3 rotates 45 ° in the direction of the clock, at this moment, the card 221 of pickup groove 22 just in time blocks stop means 32 places on the leaded light post, and leaded light post 3 can not be moved up and down, and is fixed on the temperature-sensitive dish, if dismounting leaded light post 3 only need be rotated counterclockwise 45 ° and get final product.The bottom surface 34 of leaded light post and the pilot lamp aligned in position on the wiring board 10 also are welded in the pilot lamp place, make the bottom surface 34 guiding astigmatic face 33 of light from the leaded light post, astigmatism face 33 exposes 0.5mm from upper casing 1, thereby make the user from the comprehensive pilot lamp light of observing of 360 degree, judge clearly whether detector is in running order.

In button be the buckle 42 that has with base 6 clampings on 4, the position limiting structure 44 that is connected with upper casing 1 contraposition, with the aligning structure 45 of wiring board 10 contraposition clampings, the

buckle

46,49 of fixing circuit board 10, also be provided with the sluicing groove 47 of discharging excessive moisture, the shell fragment pickup groove 48 of fixation spring tab 5, in the pickup groove 48 during shell fragment 5 is fixed on the button 4, shell fragment 5 is by mode connection line plate 10 that suppresses and the terminal 7 that connects power lead.Shell fragment 5 be provided with first connecting portion 51, second connecting portion 52 and the 3rd connecting portion 53, the first connecting portions 51 be stuck in in button 4 the draw-in groove 481 so that during shell fragment 5 is fixed on the button 4, second connecting portion 52 contacts with the link 71 of terminal, the formation path.The 3rd connecting portion 53 contacts with power supply contact on the wiring board 10, and during installation, that only the 3rd connecting portion 53 need be pricked electric shock place of advancing to power is coated with the tin layer, just can realize the power supply to circuit board.

Base 6 comprises key 63, the theftproof lock 64 of buckle 61, terminal groove 62, theftproof lock, also be provided with the

aligning structure

4111,4112 of button 4 in the butt joint, during installation, aligning structure 4111 is aimed at the aligning structure 661 of base 6, the aligning structure 662 that aligning structure 4112 is aimed at base 6.Also be provided with the alignment device 67 of butt joint terminal gland bonnet 8 on the base 6.When chassis 6 was connected with middle button 4, the projection 421 of buckle 42 was coincide with groove 611, is blocked by groove 612, and it can not be moved in turn, and plays anti-sliding pallet effect.Anti-theft lock structure 64 on the base 6, can be according to client's needs design, if make product have anti-theft feature in advance then catch 64 removed and form retaining grooves 641, after this moment product being installed, the theftproof lock shell fragment 410 of middle button 4 enters retaining groove 641 regions just, during the dismounting product, is rotated counterclockwise product, theftproof lock shell fragment 610 is stopped that by retaining groove 641 product can't be dismantled.If open product then just need before product is not installed key 63 is taken off, aim at keyholes 651,652 with terminal 631 and insert, product just can be opened, and prevents that product from being opened by the stranger or stolen.

Terminal sealing lid 8 comprises fixedly

buckle

81, and 81 inject in the slot 625 of base end pilot trench 62 during installation, and the hook end 811 of terminal sealing lid 8 is stuck in the slot 621 of base 6.The position limiting structure 82 of terminal sealing lid 8 when mounted, after the aligning structure 67 of aiming at bases by location structure 83 positioned accurately, position limiting structure 82 injected in the slot 624 of bases 6, simultaneously the conducting end 71 of terminal 7 is fixed, and makes it not slidably.

Terminal 7 comprises conductive part 71, alignment device 72, and conductive part 71 contacts with the 3rd connecting portion 53 of shell fragment 5, forms path.During mounting terminal 7, elder generation's terminal 7 is aimed at the slot 622 of base 6 and is put into terminal groove 72 from base 6 back sides, terminal 7 moves 1mm to base 6 center positions then, and this moment,

positive stop end

73,74 was stopped by the slot 622,623 of base respectively, was fixed in the terminal groove 62.Conductive part 71 is being choked by the position limiting structure 82 of terminal sealing lid 8 then, not slidably.Offer tapping screw 75 on the terminal, before the mounting terminal 7, go out to twist a band pressure pad screw at screw on base 6, the end with screw after screwing on destroys, and it can not be screwed down, and realizes the screw slip-off preventing.

The above is preferred embodiment of the present utility model only, is not to be used to limit protection domain of the present utility model.

Claims

1. on the heat fire detector, comprise upper casing, temperature-sensitive dish, middlely buckle, shell fragment, base, wiring board, terminal and terminal sealing seat, it is characterized in that, buckle in described and be snapped with temperature-sensitive dish, wiring board and upper casing; During being fixed on, buckles on described shell fragment in the shell fragment groove of offering; Described terminal is connected on the chassis by the terminal sealing seat; Clamping between described chassis and the upper casing.

2. heat fire detector as claimed in claim 1 is characterized in that, is connected with the leaded light post on the described temperature-sensitive dish, and this leaded light post passes temperature-sensitive dish and upper casing, and exposes upper casing 0.5mm.

3. heat fire detector as claimed in claim 1 is characterized in that described heat detector is provided with water draw-off.

4. heat fire detector as claimed in claim 3 is characterized in that, described water draw-off comprises that the edge of temperature-sensitive dish and buckle joining place offers the sluicing groove, and should communicate with the weep hole of described upper casing by the sluicing groove.

5. heat fire detector as claimed in claim 1 is characterized in that, described shell fragment links to each other with wiring board with terminal by the mode of suppressing.