CN209818824U

CN209818824U - One-way valve

Info

Publication number: CN209818824U
Application number: CN201920564588.1U
Authority: CN
Inventors: 陈坚挺
Original assignee: Ningbo Top Environmental Protection Technology Co Ltd
Current assignee: Ningbo Top Environmental Protection Technology Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2019-12-20
Anticipated expiration: 2029-04-23

Abstract

The utility model relates to a check valve relates to the technical field of valve, has solved in case the check valve inner core damages, and the check valve can't resume the use promptly, leads to the short problem of life of check valve, and it includes: the valve comprises a valve body, a one-way valve outer sleeve, a one-way valve frame, a one-way valve inner core and an elastic element, wherein a guide post is arranged on the one-way valve inner core; the outer peripheral wall of the check valve outer sleeve, which is far away from the check valve frame, is provided with an embedding groove, and a sealing ring which is abutted against the inner wall of the valve body is embedded in the embedding groove. The utility model discloses when having one of them check valve inner core and damaging, the check valve can also continue to use, has improved the life's of check valve effect.

Description

One-way valve

Technical Field

The utility model belongs to the technical field of the technique of valve and specifically relates to a check valve is related to.

Background

The directional valve is commonly called a one-way valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves, also known as check valves or back valves, are used in hydraulic systems to prevent reverse flow of oil or in pneumatic systems to prevent reverse flow of compressed air.

In the prior art, for example, chinese patent No. CN205824293U discloses a check valve, which includes: the check valve comprises a check valve outer sleeve, a check valve frame, a check valve inner core and an elastic element, wherein the check valve frame is matched with the check valve outer sleeve, a check valve inner core guide column is arranged on the check valve inner core, and a check valve frame guide hole is formed in the check valve frame; the one-way valve inner core guide post is matched with the one-way valve frame guide hole; the elastic element is arranged between the one-way valve frame and the one-way valve inner core.

The above prior art solutions have the following drawbacks: once the inner core of the one-way valve is damaged, the one-way valve can not be used any more, so that the service life of the one-way valve is short, and a room for improvement is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a check valve, when one of them check valve inner core damaged, the check valve can also continue to use, has improved the life of check valve.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a one-way valve comprises a valve body, a one-way valve outer sleeve, a one-way valve frame, a one-way valve inner core and an elastic element, wherein a guide post is arranged on the one-way valve inner core;

the outer periphery wall of the check valve outer sleeve far away from the check valve frame is provided with an embedding groove, and a sealing ring which is abutted against the inner wall of the valve body is embedded in the embedding groove.

By adopting the technical scheme, when one of the one-way valve inner cores is damaged, the one-way valve can be used continuously, so that the service life of the one-way valve is prolonged; the sealing washer inlays the inslot of establishing of locating the check valve overcoat and with the internal perisporium butt of valve body to be difficult for sliding in the valve body when making the check valve overcoat use, seal the gap between check valve overcoat and the valve body simultaneously, improved the stability when the check valve overcoat uses, improved the one-way non return performance of valve body.

The utility model discloses further set up to: the evagination is formed with the joint ring on the periphery wall that the sealing washer was kept away from to the check valve frame, the joint groove that supplies joint ring joint is seted up to one side that the sealing washer was kept away from to the check valve overcoat.

Through adopting above-mentioned technical scheme, make the check valve frame can install in the check valve overcoat through the joint in joint ring and joint groove, simple structure, easy dismounting, the practicality is strong.

The utility model discloses further set up to: one end of the check valve outer sleeve, which is far away from the sealing ring, is provided with a guide surface for guiding the clamping ring to be clamped with the clamping groove.

Through adopting above-mentioned technical scheme, the spigot surface guide check valve overcoat outwards takes place elastic deformation to make the joint ring joint in the joint inslot, efficiency when having improved check valve overcoat and check valve frame equipment.

The utility model discloses further set up to: the check valve is characterized in that an embedding groove which is concentrically arranged with the guide post and is used for embedding one end of the elastic element is formed in the check valve inner core, and a sleeve arranging ring which is concentrically arranged with the guide post and is used for sleeving the other end of the elastic element is integrally arranged on one side, close to the check valve inner core, of the check valve frame.

Through adopting above-mentioned technical scheme, make elastic element's one end inlay and locate the caulking groove in, the cover is located to the other end can overlap and is established the intra-annular, makes elastic element difficult emergence at the during operation and rocks, has improved the stability of elastic element during operation.

The utility model discloses further set up to: the check valve comprises a valve body, a check valve outer sleeve, a check valve frame, a check valve inner core and elastic elements, wherein the number of the check valve outer sleeve, the number of the check valve frame, the number of the check valve inner core and the number of the elastic elements are two, an inner convex ring for abutting against the check valve outer sleeve is integrally arranged at a water inlet of the valve body, the other check valve outer sleeve is abutted against the check valve frame, and an abutting ring abutted against the other check valve frame is further inserted into the valve body.

Through adopting above-mentioned technical scheme, press from both sides tight fixedly to check valve overcoat, check valve frame and check valve inner core through interior convex ring and butt ring, make check valve overcoat, check valve frame and the difficult valve inner core of shaking in the valve body, improved the stability when check valve overcoat, check valve frame and check valve inner core use.

The utility model discloses further set up to: one side that the guide post was kept away from to the check valve inner core is provided with the sealed dish with the equal butt of check valve inner core and check valve overcoat, sealed dish with the check valve inner core is concentric the setting, one side that the guide post was kept away from to the check valve inner core still an organic whole is provided with the grafting post of pegging graft on sealed dish.

Through adopting above-mentioned technical scheme, sealed dish is made by elastic material such as rubber, and sealed dish is installed on the check valve inner core through the plug column, seals the water inlet of check valve inner core and valve body, makes the fluid be difficult for following the water inlet outflow, has improved the non return effect of check valve.

The utility model discloses further set up to: one end of the plug-in post, which is far away from the inner core of the one-way valve, is integrally provided with a limit disc which is abutted against the sealing disc.

Through adopting above-mentioned technical scheme, the setting of spacing dish is spacing to sealed dish, makes sealed dish be difficult for breaking away from the post of pegging graft, has improved the fastness that sealed dish and peg graft post are connected, has improved the synchronism of sealed dish with the check valve inner core.

The utility model discloses further set up to: one side of the limiting disc far away from the plug-in column is provided with a guide surface for sleeving the sealing disc on the limiting disc and the plug-in column.

Through adopting above-mentioned technical scheme, guide face guide sealed dish takes place elastic deformation to on locating spacing dish and the post of pegging graft with sealed dish cover, improved the installation effectiveness of sealed dish.

The utility model discloses further set up to: one side of the sealing disc, which is far away from the inner core of the one-way valve, is integrally provided with a guide boss which is concentrically arranged with the sealing disc so as to guide fluid to be far away from the insertion column along the circumferential direction.

Through adopting above-mentioned technical scheme, the plug post is kept away from along circumference to the guide boss guide fluid, has reduced the active area of fluid to sealed dish, has increased the effort to sealed dish, has improved the sensitivity of check valve one-way conduction.

The utility model discloses further set up to: and a sealing ring which is abutted against the outer sleeve of the one-way valve is integrally arranged on the edge of the sealing disc, which is far away from the inner core of the one-way valve.

Through adopting above-mentioned technical scheme, the area of contact of sealed dish with the inboard terminal surface of valve body has been reduced in the setting of sealing ring, and elastic deformation through the sealing ring is sealed to the water inlet of valve body, makes the fluid be difficult for following the water inlet outflow, has improved the non return effect of check valve.

To sum up, the utility model discloses a beneficial technological effect does:

1. when one of the check valve inner cores is damaged, the check valve can be used continuously, so that the service life of the check valve is prolonged;

2. the check valve frame can be arranged in the check valve jacket in a clamping way through the clamping connection of the clamping ring and the clamping groove, and the check valve frame is simple in structure, convenient to assemble and disassemble and high in practicability;

3. the sealing disc is installed on the one-way valve inner core through the inserting column, the one-way valve inner core and the water inlet of the valve body are sealed, fluid is enabled to flow out of the water inlet difficultly, and the non-return effect of the one-way valve is improved.

Drawings

Fig. 1 is a schematic structural view of a check valve of the present invention.

Fig. 2 is a full sectional view of the check valve of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an exploded view of the one-way valve outer sleeve, sealing disk, one-way valve inner core, resilient member and one-way valve frame.

Fig. 5 is an exploded view of the check valve outer sleeve, sealing disk, check valve inner core, resilient member and check valve cage.

In the figure, 1, a valve body; 11. an inner collar; 12. a water inlet; 13. a water outlet; 2. a one-way valve jacket; 21. embedding a groove; 22. a clamping groove; 23. a guide surface; 3. a one-way valve frame; 31. a guide hole; 32. a snap ring; 33. sleeving a ring; 4. a one-way valve inner core; 41. a guide post; 42. caulking grooves; 43. inserting the column; 431. a limiting disc; 432. a guide surface; 5. an elastic element; 6. a seal ring; 7. a butting ring; 8. sealing the disc; 81. a guide boss; 82. and (4) a sealing ring.

Detailed Description

The present invention will be described in further detail with reference to fig. 1 to 5.

Referring to fig. 1 and 2, for the utility model discloses a check valve, including valve body 1, check valve overcoat 2, check valve frame 3, check valve inner core 4 and elastic element 5.

One end of the valve body 1 is provided with a water inlet 12 for fluid to enter the valve body 1, the other end is provided with a water outlet 13 for fluid to flow out of the valve body 1, the check valve outer sleeve 2, the check valve frame 3, the check valve inner core 4 and the elastic element 5 are all embedded and installed in the valve body 1, the check valve outer sleeve 2, the check valve frame 3, the number of the check valve inner core 4 and the elastic element 5 is at least two, the number of the check valve outer sleeve 2, the check valve frame 3, the number of the check valve inner core 4 and the elastic element 5 are two and are arranged in the same direction.

Referring to fig. 2 and 3, the check valve outer sleeve 2 is sleeved on the check valve frame 3, the outer peripheral wall of the upper side of the check valve frame 3 is integrally protruded to form a clamping ring 32, the inner peripheral wall of the upper side of the check valve outer sleeve 2 is provided with a clamping groove 22, and the clamping groove 22 is used for clamping the clamping ring 32 so as to assemble the check valve outer sleeve 2 and the check valve frame 3 together; still be equipped with spigot surface 23 on the edge in the upper end of check valve overcoat 2, spigot surface 23 makes things convenient for 2 covers of check valve overcoat to aim at when locating on check valve frame 3 to guide 2 outwards take place elastic deformation of check valve overcoat, assemble with check valve frame 3 with the convenience to check valve overcoat 2.

Referring to fig. 2 and 4, an inner collar 11 is integrally arranged on the inner peripheral wall of the valve body 1 close to the water inlet 12, the inner collar 11 is abutted against the check valve housing 2 on the lower side, the check valve housing 2 on the upper side is abutted against the check valve frame 3 on the lower side, an abutting ring 7 is inserted into one side of the valve body 1 close to the water outlet 13, and the abutting ring 7 is abutted against the check valve frame 3 on the upper side so as to be matched with the inner collar 11 to clamp and fix the check valve housing 2 and the check valve frame 3; valve body 1 is the components of a whole that can function independently setting when production, installs check valve overcoat 2 and check valve frame 3 in downside valve body 1 earlier, pegs graft in upside valve body 1 with butt ring 7 again, then welds together upside valve body 1 and downside valve body 1 through ultrasonic bonding.

The periphery wall of the lower side of the one-way valve outer sleeve 2 is provided with an embedding groove 21, a sealing ring 6 is embedded in the embedding groove 21, and the sealing ring 6 is abutted against the inner periphery wall of the valve body 1, so that the one-way valve outer sleeve 2 is difficult to slide in the valve body 1 and seals a gap between the one-way valve outer sleeve 2 and the valve body 1.

Check valve inner core 4 inlays and locates in check valve frame 3 and lower extreme and 2 butts of check valve overcoat, check valve inner core 4 slides with check valve frame 3 and is connected, the integrative guide post 41 that is concentric setting with check valve inner core 4 that is equipped with of upside of check valve inner core 4, guiding hole 31 has been seted up to the upside of check valve frame 3, guiding hole 31 supplies guide post 41 to wear to establish to slide and slide in order to guide check valve inner core 4 to slide, elastic element 5 is compression spring, the elastic element 5 cover is located on guide post 41, the one end of elastic element 5 and the 4 butt other ends of check valve inner core and the 3 butts of check valve frame, in order to order about check valve inner core 4 to compress tightly check valve overcoat 2 and carry out the one-way non return.

The upper side of the one-way valve inner core 4 is provided with a caulking groove 42, and the caulking groove 42 is used for the elastic element 5 to be embedded, so that the elastic element 5 is not easy to shake in work.

Referring to fig. 2 and 5, the check valve frame 3 is further integrally provided with a sleeving ring 33, and the sleeving ring 33 is sleeved with the elastic element 5, so that the elastic element 5 is not prone to shaking during operation.

A sealing disc 8 is arranged on the lower side of the one-way valve inner core 4, and the sealing disc 8 can be made of rubber so as to seal a gap between the one-way valve inner core 4 and the one-way valve outer sleeve 2; the lower side of the one-way valve inner core 4 is integrally provided with an inserting column 43, the inserting column 43 and the one-way valve inner core 4 are arranged concentrically, and the inserting column 43 is inserted on the sealing disc 8 so as to install the sealing disc 8 on the lower side of the one-way valve inner core 4; the lower side edge of the sealing disc 8 is also integrally provided with a sealing ring 82, and the sealing ring 82 seals the one-way valve outer sleeve 2 and the sealing disc 8 through self elastic deformation; the downside of sealed dish 8 still integrative direction boss 81 that is equipped with, direction boss 81 is concentric setting with sealed dish 8, and direction boss 81 guide fluid is kept away from grafting post 43 along circumference and is assembled, has reduced the fluid to sealed dish 8 the active area, has increased the effort to sealed dish 8, has improved the sensitivity of check valve one-way conduction.

The lower extreme an organic whole of plug column 43 is equipped with spacing dish 431, spacing dish 431 and direction boss 81 butt to make sealed dish 8 be difficult for breaking away from plug column 43, still be equipped with guide face 432 on the border of spacing dish 431 downside, guide face 432 guides sealed dish 8 to take place elastic deformation, in order to establish sealed dish 8 cover and install on plug column 43.

The implementation principle of the embodiment is as follows: the check valve outer sleeve 2, the check valve frame 3, the check valve inner core 4 and the elastic element 5 are arranged in plurality, when one check valve inner core 4 is damaged, the check valve can still be used continuously, and the service life of the check valve is prolonged; the check valve outer sleeve 2 is arranged on the check valve frame 3 through the clamping connection of the clamping ring 32 and the clamping groove 22, the structure is simple, and the assembly and disassembly are convenient; the sealing disc 8 is arranged to seal the one-way valve inner core 4 and the one-way valve outer sleeve 2, so that the one-way non-return performance of the one-way valve is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a one-way valve, includes valve body (1), one-way valve overcoat (2), one-way valve frame (3), one-way valve inner core (4), elastic element (5), be provided with guide post (41) on one-way valve inner core (4), be provided with guiding hole (31), its characterized in that on one-way valve frame (3): the number of the one-way valve outer sleeves (2), the number of the one-way valve frames (3), the number of the one-way valve inner cores (4) and the number of the elastic elements (5) are at least two, the one-way valve outer sleeves (2) are arranged in the same direction, and the elastic elements are arranged in the valve body (1);

the check valve is characterized in that an embedding groove (21) is formed in the peripheral wall, far away from the check valve frame (3), of the check valve outer sleeve (2), and a sealing ring (6) which is abutted to the inner wall of the valve body (1) is embedded in the embedding groove (21).

2. A one-way valve according to claim 1, wherein: the evagination is formed with joint ring (32) on the periphery wall that sealing washer (6) were kept away from in check valve frame (3), joint groove (22) that supply joint ring (32) joint are seted up to one side that sealing washer (6) were kept away from in check valve overcoat (2).

3. A one-way valve according to claim 2, wherein: one end of the check valve outer sleeve (2) far away from the sealing ring (6) is provided with a guide surface (23) for guiding the clamping ring (32) to be clamped with the clamping groove (22).

4. A one-way valve according to claim 1, wherein: offer on check valve inner core (4) and be concentric setting and supply one end of elastic element (5) to inlay caulking groove (42) of establishing with guide post (41), one side an organic whole that check valve frame (3) are close to check valve inner core (4) is provided with and is concentric setting and supply the cover that elastic element (5) other end cover was established to establish ring (33) with guide post (41).

5. A one-way valve according to claim 1, wherein: the quantity of check valve overcoat (2), check valve frame (3), check valve inner core (4) and elastic element (5) is two, the water inlet department an organic whole of valve body (1) is provided with supplies one interior bulge loop (11) of check valve overcoat (2) butt, another check valve overcoat (2) and one check valve frame (3) butt, still peg graft in valve body (1) have with butt ring (7) of another check valve frame (3) butt.

6. A one-way valve according to claim 1, wherein: one side that guide post (41) was kept away from in check valve inner core (4) is provided with sealed dish (8) with equal butt of check valve inner core (4) and check valve overcoat (2), sealed dish (8) with check valve inner core (4) are concentric setting, one side that guide post (41) were kept away from in check valve inner core (4) still integrative being provided with grafting post (43) of pegging graft on sealed dish (8).

7. A check valve as claimed in claim 6, wherein: one end of the plug column (43) far away from the one-way valve inner core (4) is integrally provided with a limiting disc (431) abutted against the sealing disc (8).

8. A one-way valve according to claim 7, wherein: one side of the limiting disc (431) far away from the plug column (43) is provided with a guide surface (432) which guides the sealing disc (8) to be sleeved on the limiting disc (431) and the plug column (43).

9. A check valve as claimed in claim 6, wherein: one side that sealed dish (8) kept away from check valve inner core (4) is provided with integrative and is concentric setting with sealed dish (8) and keep away from direction boss (81) of inserting post (43) along circumference with the guide fluid.

10. A check valve as claimed in claim 6, wherein: and a sealing ring (82) which is abutted against the one-way valve outer sleeve (2) is integrally arranged on the edge of the sealing disc (8) far away from the one-way valve inner core (4).