CN204961310U - Water pump add water structure - Google Patents
Water pump add water structure Download PDFInfo
- Publication number
- CN204961310U CN204961310U CN201520741488.3U CN201520741488U CN204961310U CN 204961310 U CN204961310 U CN 204961310U CN 201520741488 U CN201520741488 U CN 201520741488U CN 204961310 U CN204961310 U CN 204961310U
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- CN
- China
- Prior art keywords
- water
- connecting head
- pump
- pump housing
- plug
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- Expired - Fee Related
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Abstract
The utility model provides a water pump add water structure belongs to water pump technical field. Current water pump add water structure poor stability, the poor problem of leakproofness have been solved to it. This water pump add water structure, its inside connector that has water channel on locating the water pump pump body, water channel's inner and water pump pump chamber intercommunication, be equipped with the anti -disengaging structure who is used for preventing the connector and drops between the connector and the pump body, the outer end screw thread connection of connector has the end cap, the outer peripheral face of end cap has the discoid portion of twisting of revolving that is, should revolve to have between the portion of twisting and the pump body overlaps the sealing washer of establishing in the connector outside, still have on the pump body to keep off with the annular of the coaxial setting of connector and follow, the connector, end cap and sealing washer are located the inboard that the edge was kept off to this annular, the upper end on annular fender edge is higher than the upper end of end cap when water channel is lived in the end cap shutoff. The utility model has the advantages of stability is good, the leakproofness is good.
Description
Technical field
The utility model belongs to pump technology field, and what relate to a kind of water pump adds water-bound.
Background technique
The working principle of Centrifugal water pump is as follows: driven by motor vane rotary, is sucked in the pump housing by the water intake of water from the pump housing, is displaced into the water outlet of the pump housing.Wherein active is impeller, the blade rotary of impeller, water is driven to throw away to the inwall of the pump housing under centrifugal action by blade and flows out from water outlet, water in the pump housing is after throwing away, new current enter in the pump housing at atmosheric pressure again, and such water continuously enters from water intake and discharges from water outlet.Plant water pump before activation, need first in the pump housing, to fill water.If do not fill water, impeller can only drive air to rotate, because the mass per volume of air is very little, the centrifugal force produced is just very little, unable by the air discharge in the pump housing and in water outlet, can not form vacuum in the pump housing, water also just can not suck, and water pump cannot normally work.At present, add water in water pump, all by offer filler realize, to water pump pour water operation time, due to operate miss, water spilling can be caused on motor, easily make motor get rusty, affect working life; And when in water spilling to motor, the short circuit of circuit can be caused, cause the generation of security incident.After adding water, for ensureing the tightness in water pump, in filler, place has additional plug.
But plug of the prior art, be connected with filler for convenience of it, arrange longer shank to screw to facilitate in its end, but shank is exposed to the outside of water outlet, normal and the external world collides and causes shank to damage, and plug need be threaded with filler, internal thread need be offered in the wall thickness direction of the pump housing, the wall thickness of the pump housing is less, offering of inconvenient internal thread, can offer internal thread in time, when plug and the external world collide, the connection of itself and plug also can loosen, and causes leakage, affects the sealing of water pump.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, propose a kind ofly to be connected firmly, the water pump of good airproof performance add water-bound.
The purpose of this utility model realizes by following technical proposal:
This water pump add water-bound, comprise the connecting head that its inside be located on pump body had water channel, described the inner crossing water channel is communicated with water pump pump chamber, the disconnecting prevention structure for preventing connecting head from coming off is provided with between described connecting head and the pump housing, it is characterized in that, the outer end of described connecting head has been threaded plug, the outer circumferential face of described plug has and screws portion in plate-like, this screws the seal ring having between portion and the pump housing and be set in outside connecting head, the described pump housing also has the annular coaxially arranged with connecting head and keep off edge, described connecting head, plug and seal ring are positioned at the inner side on this annular gear edge, when plug blocks water channel, described annular kept off the upper end portion of upper end portion higher than described plug on edge.
When adding water, workman's manual rotation screws portion, and plug is come off from connecting head, and now pump chamber passed through water channel and is in communication with the outside, and water can be injected in pump chamber from crossing water channel.After water filling completes, first seal ring is placed on annular gear along interior and be enclosed within the outside of connecting head, be then screwed on connecting head by plug, along with the precession of plug, the portion of screwing contacts and press seal circle gradually, until screwed by plug.
Owing to arranging connecting head on the pump housing, without the need to directly offering screw thread on the pump housing, being also threaded of plug can be realized, connect rear stability good, easy disassembly, and be provided with seal ring, after plug connects, seal ring is compacted, can effectively prevent water pump from operationally leakage phenomenon occurring.
Add in water-bound at above-mentioned water pump, the madial wall of described connecting head is provided with internal thread, and the inner of described plug has the joint stretched in water channel, and the outside of described joint has the outside thread mating with this internal thread and arrange.
In the lower end of plug, joint is set, conveniently be threaded with connecting head, after connecting, certain sealability itself is possessed between joint and connecting head, the water being positioned at pump chamber during pump working is difficult to flow out through water channel, and the seal ring acting in conjunction be located between the portion of screwing and the pump housing, reaches the effect of double seal.
Add in water-bound at above-mentioned water pump, described disconnecting prevention structure comprises the limiting block edge extended radially outwardly being located at connecting head the inner and the bounding means be positioned at outside the pump housing be located on connecting head, described limiting block is along being resisted against on the inner side surface of the pump housing, and described bounding means is resisted against on the outer side surface of the pump housing.
Add in water-bound at above-mentioned water pump, the upper end of described connecting head offers outside thread, and above-mentioned bounding means is the stop nut be threaded with this connecting head.During connection, the inside of connecting head from the pump housing is stretched into, the outside thread of connecting head is made to expose outside the pump housing, spacing thread bush is located on connecting head, rotary stopper nut, making limiting block along being resisted against the inner side surface of the pump housing, when stop nut is resisted against on the outer side surface of the pump housing, reaching the object be fixed on by connecting head on the pump housing.
Add in water-bound at above-mentioned water pump, described limiting block along and the pump housing between be provided with O type circle, the internal diameter of described O type circle is greater than the external diameter of connecting head, and the internal diameter of described O type circle is less than the external diameter on limiting block edge.After connecting head is fixed, O type circle is pressed between limiting block edge and the pump housing, prevents the water in pump chamber from outbound flowing through the gap between connecting head and the pump housing, improves sealing further.
Compared with prior art, the water-bound that adds of this water pump has the following advantages:
The pump housing arranges connecting head, without the need to directly offering screw thread on the pump housing, also can realize being threaded of plug, connecting rear stability good, easy disassembly; In the lower end of plug, joint is set, conveniently be threaded with connecting head, after connecting, certain sealability itself is possessed between joint and connecting head, the water being positioned at pump chamber during pump working is difficult to flow out through water channel, and the seal ring acting in conjunction be located between the portion of screwing and the pump housing, reaches the effect of double seal; O type circle prevents the water in pump chamber from outbound flowing through the gap between connecting head and the pump housing, improves sealing further.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment that the utility model provides.
In figure, 11, the pump housing; 12, pump chamber; 13, annular gear edge; 2, connecting head; 21, water channel is crossed; 22, limiting block edge; 3, plug; 31, portion is screwed; 32, joint; 4, seal ring; 5, bounding means; 6, O type circle.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Water pump as shown in Figure 1 add water-bound, comprise the connecting head 2 that its inside be located on pump body 11 had water channel 21, the inner crossing water channel 21 is communicated with water pump pump chamber 12, is provided with the disconnecting prevention structure for preventing connecting head 2 from coming off between connecting head 2 and the pump housing 11.
As shown in Figure 1, the outer end of connecting head 2 has been threaded plug 3, the outer circumferential face of plug 3 has the portion that screws 31 in plate-like, this screws the seal ring 4 having between portion 31 and the pump housing 11 and be set in outside connecting head 2, the pump housing 11 also has the coaxial annular arranged with connecting head 2 to keep off along 13, connecting head 2, plug 3 and seal ring 4 are positioned at the inner side of this annular gear along 13, and when plug 3 blocks water channel 21, the upper end portion of annular gear along 13 was higher than the upper end portion of plug 3.
When adding water, workman's manual rotation screws portion 31, and plug 3 is come off from connecting head 2, and now pump chamber 12 passed through water channel 21 and is in communication with the outside, and water can be injected in pump chamber 12 from crossing water channel 21.After water filling completes, first seal ring 4 being placed on annular gear along being enclosed within the outside of connecting head 2 in 13, then plug 3 being screwed on connecting head 2, along with the precession of plug 3, screwing portion 31 and contact also press seal circle 4 gradually, until screwed by plug 3.
Owing to arranging connecting head 2 on the pump housing 11, without the need to directly offering screw thread on the pump housing 11, also being threaded of plug 3 can be realized, connect rear stability good, easy disassembly, and be provided with seal ring 4, after plug 3 connects, seal ring 4 is compacted, can effectively prevent water pump from operationally leakage phenomenon occurring.
As shown in Figure 1, be provided with internal thread at the madial wall of connecting head 2, the inner of plug 3 has the joint 32 stretched in water channel 21, and the outside of joint 32 has the outside thread mating with this internal thread and arrange.
In the lower end of plug 3, joint 32 is set, conveniently be threaded with connecting head 2, after connecting, certain sealability itself is possessed between joint 32 and connecting head 2, the water being positioned at pump chamber 12 during pump working is difficult to flow out through water channel 21, and seal ring 4 acting in conjunction be located between the portion of screwing 31 and the pump housing 11, reaches the effect of double seal.
Concrete, as shown in Figure 1, disconnecting prevention structure comprises the limiting block extended radially outwardly of being located at connecting head 2 the inner along 22 and the bounding means 5 be positioned at outside the pump housing 11 be located on connecting head 2, and limiting block is resisted against on the inner side surface of the pump housing 11 along 22, and bounding means 5 is resisted against on the outer side surface of the pump housing 11.As shown in the figure, the upper end of connecting head 2 offers outside thread, and bounding means 5 is the stop nut be threaded with this connecting head 2.During connection, the inside of connecting head 2 from the pump housing 11 is stretched into, the outside thread of connecting head 2 is made to expose outside the pump housing 11, spacing thread bush is located on connecting head 2, rotary stopper nut, make limiting block be resisted against the inner side surface of the pump housing 11 along 22, when stop nut is resisted against on the outer side surface of the pump housing 11, reach the object be fixed on by connecting head 2 on the pump housing 11.
As shown in Figure 1, limiting block is greater than the external diameter of connecting head 2 along the internal diameter being provided with O type circle 6, O type circle 6 between 22 and the pump housing 11, and the internal diameter of O type circle 6 is less than the external diameter of limiting block along 22.After connecting head 2 is fixed, O type circle 6 is pressed in limiting block along between 22 and the pump housing 11, prevents the water in pump chamber 12 from outbound flowing through the gap between connecting head 2 and the pump housing 11, improves sealing further.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (5)
1. a water pump add water-bound, comprise the connecting head (2) that its inside be located on pump body (11) had water channel (21), described the inner crossing water channel (21) is communicated with water pump pump chamber (12), the disconnecting prevention structure for preventing connecting head (2) from coming off is provided with between described connecting head (2) and the pump housing (11), it is characterized in that, the outer end of described connecting head (2) has been threaded plug (3), the outer circumferential face of described plug (3) has the portion that screws (31) in plate-like, this screws the seal ring (4) having between portion (31) and the pump housing (11) and be set in connecting head (2) outside, the described pump housing (11) also has and keeps off along (13) with the coaxial annular arranged of connecting head (2), described connecting head (2), plug (3) and seal ring (4) are positioned at the inner side of this annular gear along (13), when plug (3) blocks water channel (21), described annular kept off the upper end portion of upper end portion higher than described plug (3) on edge (13).
2. water pump according to claim 1 add water-bound, it is characterized in that, the madial wall of described connecting head (2) is provided with internal thread, the inner of described plug (3) has the joint (32) stretched in water channel (21), and the outside of described joint (32) has the outside thread mating with this internal thread and arrange.
3. water pump according to claim 2 add water-bound, it is characterized in that, described disconnecting prevention structure comprises the bounding means (5) being positioned at the pump housing (11) outside be located at the inner limiting block extended radially outwardly edge (22) of connecting head (2) and be located on connecting head (2), described limiting block is resisted against on the inner side surface of the pump housing (11) along (22), and described bounding means (5) is resisted against on the outer side surface of the pump housing (11).
4. water pump according to claim 3 add water-bound, it is characterized in that, the upper end of described connecting head (2) offers outside thread, and above-mentioned bounding means (5) is the stop nut be threaded with this connecting head (2).
5. the water pump according to claim 3 or 4 add water-bound, it is characterized in that, described limiting block is provided with O type circle (6) along between (22) and the pump housing (11), the internal diameter of described O type circle (6) is greater than the external diameter of connecting head (2), and the internal diameter of described O type circle (6) is less than the external diameter of limiting block along (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520741488.3U CN204961310U (en) | 2015-09-24 | 2015-09-24 | Water pump add water structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520741488.3U CN204961310U (en) | 2015-09-24 | 2015-09-24 | Water pump add water structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204961310U true CN204961310U (en) | 2016-01-13 |
Family
ID=55056380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520741488.3U Expired - Fee Related CN204961310U (en) | 2015-09-24 | 2015-09-24 | Water pump add water structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204961310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005642A (en) * | 2019-03-28 | 2019-07-12 | 盐城海纳汽车零部件有限公司 | Easily removable and washable water pump |
-
2015
- 2015-09-24 CN CN201520741488.3U patent/CN204961310U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110005642A (en) * | 2019-03-28 | 2019-07-12 | 盐城海纳汽车零部件有限公司 | Easily removable and washable water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20160924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |