CN214145864U - Sealed high pressure resistant check valve pump - Google Patents
Sealed high pressure resistant check valve pump Download PDFInfo
- Publication number
- CN214145864U CN214145864U CN202023250361.1U CN202023250361U CN214145864U CN 214145864 U CN214145864 U CN 214145864U CN 202023250361 U CN202023250361 U CN 202023250361U CN 214145864 U CN214145864 U CN 214145864U
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- Prior art keywords
- water
- pump
- valve body
- sealed
- sealing
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 191
- 238000007789 sealing Methods 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 230000009975 flexible effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 9
- 230000006978 adaptation Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a sealed high pressure resistant check valve pump, its technical scheme main points are including the water pump body, the water pump body includes the pump chamber, arranges the water inlet of pump chamber one side in and arranges the delivery port of pump chamber opposite side in, the water pump body is equipped with the water inlet valve body, through connecting to the silk thread between water inlet valve body and the water inlet, the water pump body is equipped with out the water valve body, the one end and the delivery port threaded connection of out the water valve body, the other end that goes out the water valve body is equipped with the coupling, the inside of water inlet valve body and play water valve body all is adapted to have the case, the water pump body is equipped with arranges the flexible piston rod of pump chamber internalization in, the piston rod is equipped with seal assembly, seal assembly includes sealing washer, sealed pressure sleeve and with the sealed lid of water pump body threaded connection, provide a simple structure, the installation is firm, High leakproofness check valve pump.
Description
Technical Field
The utility model belongs to water pump accessory field especially relates to a sealed high pressure resistant check valve pump.
Background
The water pump is a mechanical device for conveying liquid or pressurizing liquid, and transfers mechanical energy of a prime mover or other external energy to the liquid, so that the energy of the liquid is increased, and the water pump is mainly used for conveying the liquid. The one-way valve pump changes the volume in the valve body through the reciprocating motion of the piston to realize the liquid conveying, but the pressure change easily causes the sealing performance to be poor when the one-way valve pump is used, and the water leakage phenomenon occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a simple structure, the installation is firm, the high check valve pump of leakproofness.
The purpose of the utility model is realized like this: the utility model provides a sealed high pressure resistant check valve pump, includes the water pump body, the water pump body includes the pump chamber, arranges the water inlet of pump chamber one side in and arranges the delivery port of pump chamber opposite side in, the water pump body is equipped with the water inlet valve body, through the butt joint threaded connection between water inlet valve body and the water inlet, the water pump body is equipped with out the water valve body, the one end and the delivery port threaded connection of play water valve body, the other end of play water valve body is equipped with the coupling, the inside of water inlet valve body and play water valve body all is adapted to have the case, the water pump body is equipped with arranges the flexible piston rod of pump chamber internalization in, the piston rod is equipped with seal assembly, seal assembly includes sealing washer, sealed pressure cover and with the sealed lid of water pump body threaded connection.
By adopting the technical scheme, the water pump body comprises a pump cavity, a water inlet arranged on one side of the pump cavity and a water outlet arranged on the other side of the pump cavity, water flow enters the pump cavity from the water inlet, water in the pump cavity flows out from the water outlet, the water flow flows in the water pump body from the water inlet to the water outlet in a one-way mode, the water pump body is provided with a water inlet valve body, the water inlet valve body is in threaded connection with the water inlet through a screwed joint, the water pump body is convenient to connect with a water pipe through the screwed joint, the water inlet valve body is convenient to connect and stable to install through the screwed joint, the water flow is ensured to flow into the pump cavity by the water inlet valve body, the water pump body is provided with a water outlet valve body, one end of the water outlet valve body is in threaded connection with the water outlet, the other end of the water outlet valve body is provided with a pipe joint, the water outlet valve body is more convenient to connect with the water pipe through the pipe joint, and the insides of the water inlet valve body and the water outlet valve body are both provided with valve cores, when water flows through the water inlet valve body and the water outlet valve body through the valve core, the water can only flow towards one direction, the water pump body is provided with a piston rod which is movably arranged in the pump cavity, the volume in the pump cavity is continuously changed through the reciprocating telescopic movement of the piston rod, the water is conveyed, the pressure in the pump cavity is reduced through the stretching of the piston rod, the valve core in the water inlet valve body is opened, the valve core in the water outlet valve body is closed, the water flows into the pump cavity through the water inlet valve body, the pressure in the pump cavity is increased through the compression of the piston rod, the valve core in the water inlet valve body is closed, the valve core in the water outlet valve body is opened, the water in the pump cavity flows out through the water outlet valve body, the piston rod is provided with a sealing component, the sealing component comprises a sealing ring, a sealing pressure sleeve and a sealing cover which is in threaded connection with the water pump body, and the sealing performance between the piston rod and the water pump body is effectively improved through the sealing ring and the sealing pressure sleeve, prevent that rivers from flowing from the gap between piston rod and the water pump body, make sealed pressure cover fixed through sealed lid, prevent that sealed pressure cover from receiving the high pressure to pop out.
The utility model discloses further set up to: the valve core comprises a conical sealing part, a first guide part arranged at one end of a small circle of the sealing part and a second guide part arranged at one end of a large circle of the sealing part, wherein the second guide part is provided with guide holes, and the second guide part is provided with drainage holes which are connected with the guide holes and are uniformly distributed.
Through adopting above-mentioned technical scheme, the case is including the sealing that is the taper, arrange the first guide part of sealing little circle one end in, and arrange the second guide part of sealing great circle one end in, the sealing increases the leakproofness of case, through first guide part, the second guide part makes the case remove and makes more stable, the second guide part is provided with the guiding hole, the second guide part is provided with the drainage hole of connecting guiding hole and evenly distributed, through the guiding hole, the water current circulation of being convenient for in the drainage hole, realize the transport to water.
The utility model discloses further set up to: the valve core is provided with a return spring sleeved outside the second guide part.
By adopting the technical scheme, the valve core is provided with the return spring sleeved outside the second guide part, one point of the return spring in the water inlet valve body is abutted against the sealing part, and the other end of the return spring is abutted against the wire butt joint; one end of a return spring in the water outlet valve body abuts against the sealing part, the other end of the return spring abuts against the pipe joint, and when the pressure in the pump cavity is unchanged, the return spring pressurizes the valve core to enable the valve core to be in a closed state, so that water in the pump cavity is prevented from flowing out, and the sealing performance of the pump cavity is improved.
The utility model discloses further set up to: the sealing ring is embedded in the outer wall surface of the piston rod and is connected with the water pump body in a sealing mode.
Through adopting above-mentioned technical scheme, the sealing washer inlays the outer wall face of setting in the piston rod, and with water pump body sealing connection, increases the steadiness that the sealing washer is connected with the piston rod to and increase the leakproofness of sealing washer, sealed effect reduces when preventing the piston rod activity.
The utility model discloses further set up to: the contact surface of the sealing pressure sleeve and the water pump body is provided with a bulge, the water pump body is provided with a groove matched with the bulge, and the sealing pressure sleeve is provided with a metal wire arranged in the bulge.
Through adopting above-mentioned technical scheme, the contact surface of sealed pressure cover and water pump body is provided with the arch, the water pump body be provided with the recess of protruding adaptation, through arch and recess adaptation, make sealed pressure cover installation back more firm, and accurate sealed effect, prevent that the flexible activity of piston rod from driving sealed pressure cover and remove, sealed pressure cover is provided with the wire of arranging in the arch, increases bellied structural strength through the wire, increases the pressure that sealed pressure cover bore, guarantees sealed effect.
The utility model discloses further set up to: the sealed pressure sleeve comprises a flange, the sealed pressure sleeve is provided with a limiting part, the limiting part extends to the sealed pressure sleeve from the edge of the flange, and the water pump body is provided with a limiting groove matched with the limiting part.
Through adopting the above technical scheme, sealed pressure cover includes the flange, sealed pressure cover is provided with spacing portion, spacing portion extends to sealed pressure cover by flange edge, the water pump body is provided with the spacing groove with spacing portion adaptation, spacing portion with, the flange, sealed pressure cover body coupling just has better leakproofness, through spacing portion and spacing groove adaptation, sealed pressure cover removes around the axis when preventing the piston rod activity, the structure after making sealed pressure cover installation is firm more difficult not hard up, guarantee that the water pump body has better leakproofness.
The utility model has the advantages that:
1. the volume in the pump cavity is changed through the telescopic movement of the piston rod, so that the pressure is changed, the valve core in the water inlet valve body is opened by stretching the piston rod, water flows enter the pump cavity through the water inlet valve body, the valve core of the water outlet valve body is opened by compressing the piston rod, and the water flows out of the water pump through the water outlet valve body.
2. The valve core is closed under the condition that the water pressure in the pump cavity is not changed through the return spring, so that the water in the pump cavity is prevented from leaking and flowing out.
3. Increase the leakproofness between water pump body and the piston rod through sealing washer, sealed pressure cover, sealed lid, increase sealed installation steadiness and the structural strength who presses the cover through arch, recess, wire, spacing portion, spacing groove, increase the high pressure resistance of sealed pressure cover, prevent that sealed pressure cover is not hard up.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the check valve pump of the present invention;
fig. 2 is a schematic structural diagram of the embodiment of fig. 1 at a according to the present invention;
fig. 3 is a schematic structural diagram of the embodiment of fig. 1 at B according to the present invention;
reference numeral in the figure, 1, a water pump body; 11. a pump chamber; 12. a water inlet; 13. a water outlet; 14. a groove; 15. a limiting groove; 2. a water inlet valve body; 3. aligning the wire joints; 4. a water outlet valve body; 5. a pipe joint; 6. a valve core; 61. a sealing part; 62. a first guide part; 63. a second guide part; 631. a guide hole; 632. a drainage hole; 64. a return spring; 7. a piston rod; 8. a seal assembly; 81. a seal ring; 82. sealing and pressing the sleeve; 821. a flange; 822. a protrusion; 823. a metal wire; 824. a limiting part; 83. and (7) sealing the cover.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention is clearly and completely described below with reference to fig. 1 to 3:
a sealed high-pressure-resistant one-way valve pump comprises a water pump body 1, wherein the water pump body 1 comprises a pump cavity 11, a water inlet 12 arranged on one side of the pump cavity 11 and a water outlet 13 arranged on the other side of the pump cavity 11, water flows into the pump cavity 11 from the water inlet 12, water in the pump cavity 11 flows out from the water outlet 13, the water flows in the water pump body 1 from the water inlet 12 to the water outlet 13 in a one-way mode, the water pump body 1 is provided with a water inlet valve body 2, the water inlet valve body 2 is in threaded connection with the water inlet 12 through a screwed joint 3, the water pump body 1 is convenient to connect the water inlet valve body 1 with a water pipe, the water inlet valve body 2 is convenient to connect and is stable to install through the screwed joint 3, the water flow into the pump cavity 11 is ensured by the water inlet valve body 2, the water pump body 1 is provided with a water outlet valve body 4, one end of the water outlet valve body 4 is in threaded connection with the water outlet 13, and the other end of the water outlet valve body 4 is provided with a pipe joint 5, the water outlet valve body 4 ensures that water flows out of the pump cavity 11 through ensuring that the water flows through the pipe joint 5, the water pipe is more conveniently connected through the pipe joint 5, the insides of the water inlet valve body 2 and the water outlet valve body 4 are both matched with the valve cores 6, the water flows through the water inlet valve body 2 and the water outlet valve body 4 through the valve cores 6 can only flow towards one direction, the water pump body 1 is provided with a piston rod 7 which is movably and telescopically arranged in the pump cavity 11, the volume in the pump cavity 11 is continuously changed through the reciprocating telescopic movement of the piston rod 7, the water conveying is realized, the pressure in the pump cavity 11 is reduced through the stretching of the piston rod 7, the valve core 6 in the water inlet valve body 2 is opened, the valve core 6 in the water outlet valve body 4 is closed, the water flows into the pump cavity 11 through the water inlet valve body 2, the pressure in the pump cavity 11 is increased through the compression of the piston rod 7, the valve core 6 in the water inlet valve body 2 is closed, and the valve core 6 in the water outlet valve body 4 is opened at the same time, make the water in the pump chamber 11 flow out through a water valve body 4, the piston rod 7 is provided with seal assembly 8, seal assembly 8 includes sealing washer 81, sealed pressure cover 82, and with the sealed lid 83 of water pump body 1 threaded connection, through sealing washer 81, sealed pressure cover 82 effectively increases the leakproofness between piston rod 7 and the water pump body 1, prevent that rivers from flowing from the gap between piston rod 7 and the water pump body 1, it is fixed to make sealed pressure cover 82 fixed through sealed lid 83, prevent that sealed pressure cover 82 from receiving the high pressure to pop out.
The valve core 6 comprises a conical sealing part 61, a first guide part 62 arranged at one end of a small circle of the sealing part 61, and a second guide part 63 arranged at one end of a large circle of the sealing part 61, the sealing part 61 increases the sealing performance of the valve core 6, the valve core 6 is moved to be more stable through the first guide part and the second guide part 63, the second guide part 63 is provided with guide holes 631, the second guide part 63 is provided with drainage holes 632 which are uniformly distributed and connected with the guide holes 631, and water flow circulation is facilitated through the guide holes 631 and the drainage holes 632, so that water conveying is realized.
The valve core 6 is provided with a return spring 64 sleeved outside the second guide part 63, one point of the return spring 64 in the water inlet valve body 2 is abutted against the sealing part 61, and the other end of the return spring is abutted against the wire joint 3; one end of a return spring 64 in the water outlet valve body 4 abuts against the sealing part 61, the other end abuts against the pipe joint 5, when the pressure in the pump cavity 11 is unchanged, the return spring 64 pressurizes the valve core 6 to enable the valve core 6 to be in a closed state, water in the pump cavity 11 is prevented from flowing out, and the sealing performance of the pump cavity 11 is improved.
The sealing ring 81 is embedded in the outer wall surface of the piston rod 7 and is in sealing connection with the water pump body 1, the stability of connection between the sealing ring 81 and the piston rod 7 is improved, the sealing performance of the sealing ring 81 is improved, and the sealing effect is prevented from being reduced when the piston rod 7 moves.
Sealed cover 82 and water pump body 1's contact surface is provided with protruding 822, water pump body 1 is provided with the recess 14 with protruding 822 adaptation, through protruding 822 and recess 14 adaptation, it is more firm after the installation to make sealed cover 82 that presses, and accurate sealed effect, prevent that the flexible activity of piston rod 7 from driving sealed cover 82 and remove, sealed cover 82 that presses is provided with the wire 823 of arranging in protruding 822, increase the structural strength of protruding 822 through wire 823, increase the pressure that sealed cover 82 bore, guarantee sealed effect.
Sealed pressure cover 82 includes flange 821, sealed pressure cover 82 is provided with spacing portion 824, spacing portion 824 is extended to sealed pressure cover 82 by flange 821 edge, water pump body 1 is provided with the spacing groove 15 with spacing portion 824 adaptation, spacing portion 824 with, flange 821, sealed pressure cover 82 body coupling just has better leakproofness, through spacing portion 824 and spacing groove 15 adaptation, sealed pressure cover 82 moves around the axis when preventing piston rod 7 activity, make the structure after sealed pressure cover 82 installs more firm difficult not hard up, guarantee that water pump body 1 has better leakproofness.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (6)
1. A sealed high-pressure-resistant one-way valve pump comprises a water pump body (1) and is characterized in that the water pump body (1) comprises a pump cavity (11), a water inlet (12) and a water outlet (13), wherein the water inlet (12) is arranged on one side of the pump cavity (11), the water outlet (13) is arranged on the other side of the pump cavity (11), the water pump body (1) is provided with a water inlet valve body (2), the water inlet valve body (2) is in threaded connection with the water inlet (12) through a screwed joint (3), the water pump body (1) is provided with a water outlet valve body (4), one end of the water outlet valve body (4) is in threaded connection with the water outlet (13), the other end of the water outlet valve body (4) is provided with a pipe joint (5), the interiors of the water inlet valve body (2) and the water outlet valve body (4) are both provided with valve cores (6), the water pump body (1) is provided with a piston rod (7) which is movably and stretches out and draws back in the pump cavity (11), the piston rod (7) is provided with a sealing assembly (8), and the sealing assembly (8) comprises a sealing ring (81), a sealing pressing sleeve (82) and a sealing cover (83) in threaded connection with the water pump body (1).
2. The pump, which is sealed against high pressure, of claim 1, wherein the valve body (6) includes a sealing portion (61) having a tapered shape, a first guide portion (62) disposed at a small circular end of the sealing portion (61), and a second guide portion (63) disposed at a large circular end of the sealing portion (61), the second guide portion (63) being provided with guide holes (631), and the second guide portion (63) being provided with uniformly distributed drainage holes (632) connecting the guide holes (631).
3. The pump, which is sealed against high pressure, as recited in claim 2, characterized in that the valve element (6) is provided with a return spring (64) which is sleeved outside the second guide portion (63).
4. The pump with the sealing function and the high pressure resistance as claimed in claim 3, wherein the sealing ring (81) is embedded in the outer wall surface of the piston rod (7) and is connected with the water pump body (1) in a sealing manner.
5. The sealed high-pressure-resistant one-way valve pump is characterized in that a protrusion (822) is arranged on the contact surface of the sealed pressing sleeve (82) and the water pump body (1), the water pump body (1) is provided with a groove (14) matched with the protrusion (822), and the sealed pressing sleeve (82) is provided with a metal wire (823) placed in the protrusion (822).
6. The sealed high-pressure-resistant one-way valve pump is characterized in that the sealed pressing sleeve (82) comprises a flange (821), the sealed pressing sleeve (82) is provided with a limiting part (824), the limiting part (824) extends from the edge of the flange (821) to the sealed pressing sleeve (82), and the water pump body (1) is provided with a limiting groove (15) matched with the limiting part (824).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023250361.1U CN214145864U (en) | 2020-12-29 | 2020-12-29 | Sealed high pressure resistant check valve pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023250361.1U CN214145864U (en) | 2020-12-29 | 2020-12-29 | Sealed high pressure resistant check valve pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214145864U true CN214145864U (en) | 2021-09-07 |
Family
ID=77543820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023250361.1U Expired - Fee Related CN214145864U (en) | 2020-12-29 | 2020-12-29 | Sealed high pressure resistant check valve pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214145864U (en) |
-
2020
- 2020-12-29 CN CN202023250361.1U patent/CN214145864U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |