CN210265927U - A water stop pad for a needle valve water inlet valve - Google Patents
A water stop pad for a needle valve water inlet valve Download PDFInfo
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- CN210265927U CN210265927U CN201921300849.5U CN201921300849U CN210265927U CN 210265927 U CN210265927 U CN 210265927U CN 201921300849 U CN201921300849 U CN 201921300849U CN 210265927 U CN210265927 U CN 210265927U
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- water
- water stop
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- valve
- hole
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 217
- 238000005452 bending Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 230000007704 transition Effects 0.000 claims description 2
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
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Abstract
本实用新型公开一种针阀进水阀的止水垫，属于马桶针阀水箱进水阀领域，包括密封圈、止水座、针套，止水座为圆环，止水座的底部为封堵面，止水座中部设有针套，针套的沿轴线设有纵向通孔，纵向通孔的上段为泄压孔,纵向通孔的中段设有径向的水孔,针套的下部与止水座的环内侧弹性弯曲连接，密封圈与止水座的环外侧弹性弯曲连接。本案止水垫这两处独特的弹性连接，使止水垫具有活动变形灵敏的特点，弹性连接的曲面薄壁设计，使止水垫活动变形更加灵敏。
The utility model discloses a water stop pad for a needle valve water inlet valve, belonging to the field of toilet needle valve water tank water inlet valves, comprising a sealing ring, a water stop seat and a needle sleeve. On the sealing surface, the middle of the water stop seat is provided with a needle cover, the needle cover is provided with a longitudinal through hole along the axis, the upper section of the longitudinal through hole is a pressure relief hole, and the middle section of the longitudinal through hole is provided with a radial water hole. The lower part is connected with the inner side of the ring of the water stop seat by elastic bending, and the sealing ring is connected with the outer side of the ring of the water stop seat by elastic bending. The two unique elastic connections of the water-stop pad in this case make the water-stop pad more sensitive to movement and deformation. The curved thin-wall design of the elastic connection makes the water-stop pad more sensitive to movement and deformation.
Description
Technical Field
The utility model belongs to a water inlet valve of a toilet needle valve water tank, in particular to a water stop pad of the needle valve water inlet valve.
Background
The water inlet valve of the toilet water tank in the prior art mainly utilizes water pressure in a domestic water pipe network to realize water inlet or blocking, and comprises a valve body, a pressure water stop valve, a buoyancy control mechanism, a water inlet channel and a water outlet channel, wherein the pressure water stop valve is arranged on the valve body, the valve body is connected on the water inlet pipe, and the buoyancy control mechanism controls a pressure cavity inside the pressure water stop valve to form water pressure or pressure relief, so that the on-off of water flow between the water inlet channel and the water outlet channel is realized. The water inlet valve of the toilet water tank is divided into a backpressure water inlet valve and a needle valve water inlet valve according to different structural modes of the water stop valve, and water flow is switched on and off by installing a water stop pad in the water stop valve to form a pressure cavity and plugging the water stop surface of a water inlet channel by elastic deformation of the water stop pad.
As shown in fig. 1, a pressure water stopping structure of a needle valve inlet valve mainly comprises an end cover 41 ', a water stopping pad 42', a valve needle 46 ', the water stopping pad 42' is hermetically arranged in the end cover 41 ', a back pressure cavity 43' is formed between the water stopping pad 42 'and the end cover 41', the water stopping pad 42 'comprises a sealing ring 421', a water stopping seat 422 ', a needle sleeve 423', the water stopping seat 422 'is a circular ring, the bottom 426' of the water stopping seat 422 'is a sealing surface, the middle part of the water stopping seat 422' is provided with the needle sleeve 423 ', the needle sleeve 423' is provided with a longitudinal through hole 40 'along an axis, the upper section of the longitudinal through hole 40' is a pressure relief hole 45 ', the middle section of the longitudinal through hole 40' is provided with a radial water hole 44 ', the lower part of the needle sleeve 423' is integrally connected with an inner side 427 'of the water stopping seat 422', the sealing ring 421 'is integrally connected with an outer side 429' of the water stopping seat 422 ', the valve needle 46' is inserted in the, the lower section of the valve needle 46 'is provided with a water passing groove 47', and the upper end of the valve needle 46 'is fixed at one end of a swing rod 23' of the buoyancy control mechanism.
When the valve needle 46 ' moves downwards under the driving of the swing rod 23 ', the pressure relief hole 45 ' is blocked by a polish rod of the valve needle 46 ', the radial water hole 44 ' is matched and communicated with the water passing groove 47 ' of the valve needle 46 ', water enters the back pressure cavity 43 ' from the water passing groove 47 ' and the water hole 44 ' to gradually form back pressure, the water stop pad 42 ' deforms, the bottom 426 ' of the water stop seat 422 ' seals the water outlet of the water inlet channel, the water flow between the water inlet channel and the water outlet channel is cut off, and the closing of the water inlet valve is realized; when the valve needle 46 'moves upwards under the driving of the swing rod 23', the polish rod of the valve needle 46 'is withdrawn from the pressure relief hole 45' to be blocked, water flows out from the pressure relief hole 45 'through the water passing groove 47', water in the back pressure cavity 43 'also flows out from the water hole 44' through the pressure relief hole 45 ', the back pressure disappears, the water stop pad 42' deforms upwards under the action of the pressure of inlet water, the bottom 426 'of the water stop seat 422' leaves the water outlet of the water inlet channel, and water flow between the water inlet channel and the water outlet channel is conducted to realize water inlet of the water inlet valve.
When the connecting portion 48 between the lower portion of the needle sheath 423 ' of the water stop pad 42 ' and the ring inner side 427 ' of the water stop seat 422 ' and the connecting portion 49 between the seal ring 421 and the ring outer side 429 ' of the water stop seat 422 ' are viewed in detail, the wall surfaces of the connecting portions 48 ' and 49 ' are relatively thick, so that the deformation of the water stop pad 42 ' is not sensitive.
Therefore, the utility model discloses a to foretell shortcoming, improved the structure of stagnant water pad.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stagnant water pad of needle valve water intaking valve, this stagnant water pad have the sensitive characteristics of inflation deformation.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
the utility model provides a stagnant water pad of needle valve water intaking valve, includes sealing washer, stagnant water seat, needle cover, and stagnant water seat is the ring, and the bottom of stagnant water seat is the shutoff face, and stagnant water seat middle part is equipped with the needle cover, and the edge axis of needle cover is equipped with vertical through-hole, and the upper segment of vertical through-hole is the pressure release hole, and the middle section of vertical through-hole is equipped with radial water hole, and the lower part of needle cover and the interior lateral elastic bending of the interior of stagnant water seat are connected, and the sealing washer is connected with the ring outside elastic bending of stagnant water.
The lower part of the needle sleeve is elastically and flexibly connected with the upper edge of the inner side of the water stop seat.
The lower part of the needle sleeve is elastically and flexibly connected with the lower edge of the inner side of the ring of the water stop seat.
The elastic bending connection is a section of arc-shaped bending wall surface.
The wall surface is a thin wall surface.
The wall surface is a smooth transition surface which is thinned from thick to thick and then thickened from thin to thick.
The water stop pad is made of rubber.
The two unique elastic connections of the water stop pad make the water stop pad have the characteristic of flexible deformation, and the flexible deformation of the water stop pad is more flexible due to the curved surface thin-wall design of the elastic connections.
Drawings
FIG. 1 is a side cross-sectional view of a prior art bottom entry fill valve;
FIG. 2 is a cross-sectional view of the needle valve inlet valve of the present invention;
FIG. 3 is a schematic view of the needle valve and one of the water stop pads according to the present invention;
FIG. 4 is a longitudinal sectional view of the needle valve and one of the water stop pads of the present invention;
FIG. 5 is an exploded view of the needle valve and the water stop pad of the present invention;
FIG. 6 is a perspective view of the water stop pad of the present invention;
fig. 7 is a longitudinal sectional view of the water stop gasket of the present invention;
FIG. 8 is a perspective view of the water stop pad of the present invention;
FIG. 9 is a longitudinal cross-sectional view of the water stop pad of the present invention;
FIG. 10 is a longitudinal cross-sectional view of the needle valve and one of the water stop pads of the present invention;
FIG. 11 is a water stop state diagram of the needle valve inlet valve of the present invention;
fig. 12 is a water inlet state diagram of the needle valve inlet valve of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be described below, and it is obvious that the drawings in the following description are only some embodiments, and those skilled in the art can also obtain other technical solutions according to the drawings without inventive labor.
As shown in figure 2, the needle valve water inlet valve comprises a valve seat 1, a pressure water stop valve 4 and a buoyancy control mechanism, the water inlet channel 3 and the water outlet channel are formed on the valve seat 1, the containing cavity 10 is formed on the bottom 11 of the containing cavity 10, the water outlet end 31 of the water inlet channel 3 is arranged at the bottom 11 of the containing cavity 10, the end face of the water outlet end 31 forms a water stop surface 32, the pressure water stop valve 4 comprises an end cover 41 and a water stop pad 42, the end cover 41 seals the water stop pad 42 in the containing cavity 10, the water stop pad 42 is arranged above the water stop surface 32, a water passing cavity 12 is formed between the water stop pad 42 and the bottom 11 of the containing cavity 10, the water inlet 51 of the water outlet channel is communicated with the water passing cavity 12, the water outlet of the water outlet channel is exposed out of the upper edge outer side 14 of the valve seat 1, a water stop pad 42 and the end cover 41 form a water flow 43, and the buoyancy control mechanism controls the.
As shown in fig. 2 to 10, the pressure water stop valve 4 is a needle valve, and mainly includes an end cap 41, a water stop pad 42, and a valve needle 46, and includes a sealing ring 421, a water stop seat 422, and a needle cover 423, as shown in fig. 7, the water stop seat 422 is a circular ring, a bottom 426 of the water stop seat 422 is a sealing surface, the middle of the water stop seat 422 is provided with the needle cover 423, the needle cover 423 is provided with a longitudinal through hole 40 along an axis, an upper section of the longitudinal through hole 40 is a pressure relief hole 45, a lateral wall of the needle cover 423 is provided with a radial water hole 44 corresponding to a middle section of the longitudinal through hole 40, a lower section of the needle cover 423 is connected with an inner side 427 of the circular ring, the sealing ring 421 is elastically connected with an outer side 429 of the water stop seat 422, as shown in fig. 5, an upper section of the.
As shown in fig. 2-12, the end cap 41 seals the water stop pad 42 in the accommodating cavity 10 of the valve seat 1, the water stop pad 42 is located above the water stop surface 32 of the water outlet end 31 of the water inlet channel 3, a pressure chamber 43 is formed between the water stop pad 42 and the end cap 41, a water hole 44 on the water stop pad 42 connects the pressure chamber 43 with the water outlet end 31 of the water inlet channel 3, the needle 46 is fixed on the swing rod 23 of the buoyancy control mechanism corresponding to the pressure relief through hole 45, the needle 46 passes through the end cap 41 and is inserted into the longitudinal through hole 40, one end of the swing rod 23 is pivoted on the end cap 41, when the swing rod 23 rotates on the end cap 41 and falls, the needle 46 is partially drawn out from the longitudinal through hole 40, at this time, the water passing groove 47 on the lower section of the needle 46 corresponds to the pressure relief hole 45, in order to facilitate the water in the 43 to be discharged from the water hole 44, the amount of the pressure relief hole 45 is increased, when the valve needle 46 is partially drawn out from the longitudinal through hole 40, the constriction 462 at the middle section of the valve needle 46 just corresponds to the pressure relief hole 45, the pressure relief hole 45 is opened (as shown in fig. 12), and water flows out from a gap between the constriction 462 and the pressure relief hole 45, so that the pressure cavity 43 at the inner side of the water stop pad 42 does not generate water pressure, the water stop pad 42 continuously deforms towards one side of the end cover 41 under the action of water inlet pressure, the water stop pad 42 is separated from the water stop surface 32 of the water inlet channel 3 (as shown in fig. 12), and water enters from the water inlet pipe 33 and then flows into the toilet water tank from the water outlet channel. When the swing rod 23 rotates and lifts on the end cover 41, the polish rod 461 of the valve needle 46 is completely inserted into the pressure relief hole 45, and forms a tight fit with the pressure relief hole 45 to block the pressure relief hole 45, the pressure relief hole 45 is closed (as shown in fig. 11), because the water hole 44 communicates the pressure cavity 43 with the water outlet end 31 of the water inlet channel 3, the water pressure inside the water stop pad 42 becomes larger and larger, the water stop pad 42 is elastically deformed, the bottom 426 of the water stop seat 422 is pressed on the water stop surface 32 of the water inlet channel 3 (as shown in fig. 11), and the water inlet is closed, so that the automatic water stop function is realized. The water pressure of the pressure cavity 43 is controlled to make the water stop pad 42 deform to block or leave the water stop surface 32, so that the water flow of the water inlet valve is switched on and off.
In order to make the elastic deformation of the water stop gasket 42 more sensitive, the sealing ring 421 is connected with the ring outer side 429 of the water stop seat 422 through a first elastic bending part 424, the water stop seat 422 is connected with the ring inner side 427 of the needle sleeve 423 through a second elastic bending part 425, as shown in fig. 4 and 7, the upper part of the ring inner side 427 of the needle sleeve 423 is connected with the lower part of the needle sleeve 423 through a second elastic bending part 425, as shown in fig. 9 and 10, the lower part of the ring inner side 427 of the needle sleeve 423 is connected with the lower part of the needle sleeve 423 through a second elastic bending part 425, because the water stop gasket 42 has two elastic bending parts, the movable deformation sensitive characteristic is provided, and the elastic bending connection is a section of arc-shaped bending wall surface which is designed to be equivalent to the wall surface with the thinner wall thickness of the sealing ring 421, the water stop seat 422 and the needle sleeve 42, and the wall surface can be designed, these designs further contribute to the elastic deformation of the water stop pad 42.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921300849.5U CN210265927U (en) | 2019-08-12 | 2019-08-12 | A water stop pad for a needle valve water inlet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921300849.5U CN210265927U (en) | 2019-08-12 | 2019-08-12 | A water stop pad for a needle valve water inlet valve |
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| Publication Number | Publication Date |
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| CN210265927U true CN210265927U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921300849.5U Active CN210265927U (en) | 2019-08-12 | 2019-08-12 | A water stop pad for a needle valve water inlet valve |
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| CN (1) | CN210265927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734865A (en) * | 2020-07-31 | 2020-10-02 | 厦门耐安特卫浴科技有限公司 | A kind of pneumatic control water outlet switch and its control method |
-
2019
- 2019-08-12 CN CN201921300849.5U patent/CN210265927U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734865A (en) * | 2020-07-31 | 2020-10-02 | 厦门耐安特卫浴科技有限公司 | A kind of pneumatic control water outlet switch and its control method |
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