CN208719464U - A kind of non-return valve - Google Patents
A kind of non-return valve Download PDFInfo
- Publication number
- CN208719464U CN208719464U CN201820709963.2U CN201820709963U CN208719464U CN 208719464 U CN208719464 U CN 208719464U CN 201820709963 U CN201820709963 U CN 201820709963U CN 208719464 U CN208719464 U CN 208719464U
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- China
- Prior art keywords
- valve body
- pipe
- discharge nozzle
- feed pipe
- sealing
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses a kind of non-return valves, including valve body, the valve body left end is provided with feed pipe, sealing sliding block is provided in the feed pipe, right end is provided with fixed plate in the feed pipe, the sealing sliding block right end is connected by spring with fixed plate, feed inlet is provided on the feed pipe, the valve body right end is provided with discharge nozzle, seal pipe is provided on the outside of the discharge nozzle left end, the seal pipe left end is provided with sealing cover, through-hole is provided in the seal pipe, discharge port is provided on the discharge nozzle, the connecting rope being connected with discharge nozzle is provided on the inside of the sealing cover, generally, the utility model has structure simple, it is easy to install and use, the non-return ability of check-valves can be effectively improved, long service life, reduce check-valves use cost, with high use The advantages of value.
Description
Technical field
The utility model belongs to check-valves technical field, especially a kind of non-return valve.
Background technique
Check-valves refers to be flowed and automatic open and close flap by medium itself, for the valve for preventing medium from flowing backwards, also known as
Non-return valve, check valve, reflux valve and counterbalance valve.Check-valves belongs to a kind of automatic valve, and main function is to prevent medium from falling
It flows, prevent pump and drive motor reversion and vessel media from releasing.
In existing check-valves, fluid constantly washes away flap, has great abrasive action for flap surface, especially
It is more serious containing wearing in the case where solid granule in fluid, easily flap is damaged and leads to flap sealing not
Non-return effect is sternly lost, while existing check-valves is to the part replacements such as internal flap inconvenience, troublesome maintenance.
Summary of the invention
The purpose of this utility model is to provide a kind of non-return valves, and structure is simple, easy to install and use, can be effective
The non-return ability of check-valves is improved, long service life reduces check-valves use cost, has high use value.
Purpose of the utility model is realized as follows: a kind of non-return valve, including valve body, the valve body left end are set
It is equipped with feed pipe, sealing sliding block is provided in the feed pipe, right end is provided with fixed plate in the feed pipe, described
Sealing sliding block right end is connected by spring with fixed plate, feed inlet is provided on the feed pipe, the valve body right end is set
It is equipped with discharge nozzle, is provided with seal pipe on the outside of the discharge nozzle left end, the seal pipe left end is provided with sealing cover, described
Seal pipe on be provided with through-hole, be provided with discharge port on the discharge nozzle, be provided with and discharge on the inside of the sealing cover
The connected connecting rope of pipe.
The connecting rope is wirerope.
Valve deck is provided on the upside of the valve body.
The valve deck lower end surface is provided with annular flange, and corresponding position is provided with annular groove on the valve body, institute
The annular flange stated is used in combination with annular groove.
The sealing length is greater than the length of feed inlet.
The fixed plate is threadably secured with feed pipe to be connect.
The sealing cover is threadably secured with seal pipe to be connect.
The beneficial effect that the utility model generates is: a kind of non-return valve, including valve body constitute the whole frame of check-valves
Frame, valve body left end are provided with feed pipe, enter check-valves convenient for material, and sealing sliding block is provided in feed pipe, seal sliding block energy
It is enough to slidably reciprocate in a certain range in feed pipe, thus achieve the effect that be sealed feed pipe or circulate, into
Right end is provided with fixed plate in expects pipe, is sealed by fixed plate to feed pipe right end, and fixed plate and feed pipe pass through screw thread
It is fixedly connected, threaded connection, which facilitates, carries out replacement maintenance, and sealing sliding block right end is connected by spring with fixed plate, will by spring
Sealing sliding block and fixed plate link together, and feed inlet is provided on feed pipe, and material is facilitated to enter in valve body out of feed pipe
Portion, sealing length are greater than the length of feed inlet, so that sealing sliding block is efficiently accomplished the closing sealing to feed inlet, avoid
Material is flow backwards in check-valves, and valve body right end is provided with discharge nozzle, and material is facilitated to flow out from check-valves, is provided with valve on the upside of valve body
Lid, valve body is sealed, convenient to safeguard to valve inner, while material being avoided to overflow from valve deck, valve deck lower end surface
It is provided with annular flange, corresponding position is provided with annular groove on valve body, and annular flange is used in combination with annular groove, matches
The flange and groove of conjunction effectively improve the sealing effect at valve deck, are provided with seal pipe on the outside of discharge nozzle left end, by seal pipe and
Discharge nozzle links together, and seal pipe left end is provided with sealing cover, is sealed to seal pipe left end, and sealing cover and seal pipe are logical
The connection that is screwed is crossed, facilitates and carries out replacement maintenance, through-hole is provided in seal pipe, discharge port is provided on discharge nozzle, is convenient for
Material circulation, sealing cover inside are provided with the connecting rope being connected with discharge nozzle, limit the movement model between seal pipe and discharge nozzle
It encloses, connecting rope is wirerope, improves the service life of connecting rope, and double non-return settings effectively improve the non-return effect of check-valves, prolong
The service life of long check-valves reduces production cost.
Generally, the utility model has structure simple, easy to install and use, can effectively improve the non-return energy of check-valves
Power, long service life reduce check-valves use cost, have the advantages that high use value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1, valve body 2, feed pipe 3, sealing sliding block 4, fixed plate 5, spring 6, feed inlet 7, discharge nozzle 8,
Seal pipe 9, sealing cover 10, through-hole 11, discharge port 12, connecting rope 13, valve deck.
Specific embodiment
With reference to the accompanying drawing to the embodiments of the present invention further instruction.
Embodiment 1
As shown in Fig. 1, a kind of non-return valve, including valve body 1,1 left end of valve body are provided with feed pipe 2, institute
Sealing sliding block 3 is provided in the feed pipe 2 stated, right end is provided with fixed plate 4, the sealing sliding block 3 in the feed pipe 2
Right end is connected by spring 5 with fixed plate 4, feed inlet 6 is provided on the feed pipe 2,1 right end of valve body is provided with
Discharge nozzle 7,7 left end of the discharge nozzle outside are provided with seal pipe 8, and 8 left end of seal pipe is provided with sealing cover 9, institute
It is provided with through-hole 10 in the seal pipe 8 stated, discharge port 11 is provided on the discharge nozzle 7, is arranged on the inside of the sealing cover 9
There is the connecting rope 12 being connected with discharge nozzle 7.
The connecting rope 12 is wirerope.
Valve deck 13 is provided on the upside of the valve body 1.
13 lower end surface of valve deck is provided with annular flange, and corresponding position is provided with annular groove on the valve body 1,
The annular flange is used in combination with annular groove.
Sealing 3 length of sliding block is greater than the length of feed inlet 6.
The fixed plate 4 is threadably secured with feed pipe 2 to be connect.
The sealing cover 9 is threadably secured with seal pipe 8 to be connect.
The utility model is when in use: a kind of non-return valve, including valve body constitute the general frame of check-valves, valve body
Left end is provided with feed pipe, enters check-valves convenient for material, and sealing sliding block is provided in feed pipe, and sealing sliding block can fed
It slidably reciprocates in a certain range in managing, thus achieve the effect that be sealed feed pipe or circulate, it is right in feed pipe
End is provided with fixed plate, is sealed by fixed plate to feed pipe right end, and fixed plate is threadably secured with feed pipe and connect,
Threaded connection, which facilitates, carries out replacement maintenance, and sealing sliding block right end is connected by spring with fixed plate, will seal sliding block by spring
It links together with fixed plate, feed inlet is provided on feed pipe, material is facilitated to enter valve inner out of feed pipe, sealing is slided
Block length is greater than the length of feed inlet, so that sealing sliding block is efficiently accomplished the closing sealing to feed inlet, avoids in check-valves
Material is flow backwards, and valve body right end is provided with discharge nozzle, and material is facilitated to flow out from check-valves, valve deck is provided on the upside of valve body, by valve body
It is sealed, it is convenient that valve inner is safeguarded, while material being avoided to overflow from valve deck, valve deck lower end surface is provided with annular
Flange, corresponding position is provided with annular groove on valve body, and annular flange is used in combination with annular groove, the flange matched and
Groove effectively improves the sealing effect at valve deck, is provided with seal pipe on the outside of discharge nozzle left end, seal pipe is connected with discharge nozzle
Together, seal pipe left end is provided with sealing cover, is sealed to seal pipe left end, sealing cover is threadably secured with seal pipe
Connection, facilitates and carries out replacement maintenance, through-hole is provided in seal pipe, is provided with discharge port on discharge nozzle, circulates convenient for material, close
Capping inside is provided with the connecting rope being connected with discharge nozzle, limits the motion range between seal pipe and discharge nozzle, and connecting rope is
Wirerope, improves the service life of connecting rope, and double non-return settings effectively improve the non-return effect of check-valves, extend making for check-valves
With the service life, production cost is reduced.
Generally, the utility model has structure simple, easy to install and use, can effectively improve the non-return energy of check-valves
Power, long service life reduce check-valves use cost, have the advantages that high use value.
Claims (7)
1. a kind of non-return valve, including valve body, it is characterised in that: the valve body left end is provided with feed pipe, it is described into
Sealing sliding block is provided in expects pipe, right end is provided with fixed plate in the feed pipe, and the sealing sliding block right end passes through bullet
Spring is connected with fixed plate, and feed inlet is provided on the feed pipe, and the valve body right end is provided with discharge nozzle, and described goes out
It is provided with seal pipe on the outside of expects pipe left end, the seal pipe left end is provided with sealing cover, is provided in the seal pipe logical
Hole is provided with discharge port on the discharge nozzle, is provided with the connecting rope being connected with discharge nozzle on the inside of the sealing cover.
2. a kind of non-return valve according to claim 1, it is characterised in that: the connecting rope is wirerope.
3. a kind of non-return valve according to claim 1, it is characterised in that: be provided with valve deck on the upside of the valve body.
4. a kind of non-return valve according to claim 3, it is characterised in that: the valve deck lower end surface is provided with annular
Flange, corresponding position is provided with annular groove on the valve body, and the annular flange is used in combination with annular groove.
5. a kind of non-return valve according to claim 1, it is characterised in that: the sealing length is greater than charging
The length of mouth.
6. a kind of non-return valve according to claim 1, it is characterised in that: the fixed plate and feed pipe passes through spiral shell
Line is fixedly connected.
7. a kind of non-return valve according to claim 1, it is characterised in that: the sealing cover and seal pipe passes through spiral shell
Line is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820709963.2U CN208719464U (en) | 2018-05-14 | 2018-05-14 | A kind of non-return valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820709963.2U CN208719464U (en) | 2018-05-14 | 2018-05-14 | A kind of non-return valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208719464U true CN208719464U (en) | 2019-04-09 |
Family
ID=65970486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820709963.2U Active CN208719464U (en) | 2018-05-14 | 2018-05-14 | A kind of non-return valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208719464U (en) |
-
2018
- 2018-05-14 CN CN201820709963.2U patent/CN208719464U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of check valve Effective date of registration: 20210423 Granted publication date: 20190409 Pledgee: Zhongyuan bank Limited by Share Ltd. Puyang branch Pledgor: PUYANG LONGFENG PAPER Co.,Ltd. Registration number: Y2021980002907 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220926 Granted publication date: 20190409 Pledgee: Zhongyuan bank Limited by Share Ltd. Puyang branch Pledgor: PUYANG LONGFENG PAPER Co.,Ltd. Registration number: Y2021980002907 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A New Type of Check Valve Effective date of registration: 20221101 Granted publication date: 20190409 Pledgee: Zhongyuan bank Limited by Share Ltd. Puyang branch Pledgor: PUYANG LONGFENG PAPER Co.,Ltd. Registration number: Y2022980020477 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190409 Pledgee: Zhongyuan bank Limited by Share Ltd. Puyang branch Pledgor: PUYANG LONGFENG PAPER Co.,Ltd. Registration number: Y2022980020477 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of check valve Granted publication date: 20190409 Pledgee: Zhongyuan bank Limited by Share Ltd. Puyang branch Pledgor: PUYANG LONGFENG PAPER Co.,Ltd. Registration number: Y2024980011925 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |