CN210240678U

CN210240678U - High-strength wear-resistant check valve

Info

Publication number: CN210240678U
Application number: CN201921225471.7U
Authority: CN
Inventors: Tianqiang Wu; 吴天强; Caiyun Wu; 吴彩云; Xinwang Wu; 吴信旺
Original assignee: Tianjin Kaishitong Valve Manufacturing Co Ltd
Current assignee: Tianjin Kaishitong Valve Manufacturing Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-03
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a high strength wear-resisting check valve, including valve body, buffer gear, valve rod, ring flange and mounting structure, the inside of valve body is provided with the valve rod, and the top of valve rod extends to the outside of valve body and installs the ring flange to be fixed with the case on the outer wall of valve rod, the valve body bottom of valve rod below is provided with the slot, and the slot is mutually supported with the valve rod, the inside buffer gear that is provided with of valve body of valve rod one side, one side of valve body is provided with the water inlet, and the opposite side of valve body is provided with the delivery port to all be provided with mounting structure on the valve body outer wall of water inlet and delivery port position department, the inside filler that is provided. The utility model discloses not only realized the quick installation function of check valve and pipeline, reduced the inside jam of valve body moreover.

Description

High-strength wear-resistant check valve

Technical Field

The utility model relates to the technical field of valves, specifically be a high strength wear-resisting check valve.

Background

The valve is a mechanical device for controlling the flow, flow direction, pressure, temperature and the like of flowing fluid media, the check valve is one of the valves, and the main function of the check valve is to prevent water liquid entering the valve from flowing backwards and to play a role in automatic interception.

The check valves on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) When the traditional check valve is used, the inner wall of the valve body is easily eroded by liquid, and the inner wall of the valve body is easily damaged after long-term accumulation, so that the service life of the check valve is shortened;

(2) when the traditional check valve is used, the pipeline and the valve body are generally difficult to be quickly connected, and the leakage of liquid is easily caused due to poor sealing performance;

(3) the traditional check valve is easy to be doped with impurities in the liquid flowing through the check valve during use and is easy to be attached to the inside of the valve body, and the valve body is easy to be blocked for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting check valve of high strength to propose the easy wearing and tearing of check valve inner wall in solving above-mentioned background art, the installation is convenient enough and the inside problem of blockking up easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wear-resisting check valve of high strength, includes valve body, buffer gear, valve rod, ring flange and mounting structure, the inside of valve body is provided with the valve rod, and the top of valve rod extends to the outside of valve body and installs the ring flange to be fixed with the case on the outer wall of valve rod, the valve body bottom of valve rod below is provided with the slot, and the slot is mutually supported with the valve rod, the inside buffer gear that is provided with of valve body of valve rod one side, one side of valve body is provided with the water inlet, and the opposite side of valve body is provided with the delivery port to all be provided with mounting structure on the valve body outer wall of water inlet and delivery port position department.

Preferably, one side of the interior of the valve body is provided with a filtering leakage net, a filter membrane is arranged in the filtering leakage net, a connecting rod is fixed on the outer wall of one side of the filtering leakage net, and one end of the connecting rod extends to the exterior of the valve body and is provided with a mounting ring.

Preferably, buffer gear's inside has set gradually lug, cushion table, spacing groove, buffer board, articulated seat, coupling spring and antislip strip, is fixed with articulated seat on the inner wall of valve body one side, and the bottom of articulated seat articulates there is the buffer board, is fixed with coupling spring on the valve body inner wall of buffer board one side, coupling spring's bottom and buffer board fixed connection, and is fixed with the antislip strip on the valve body inner wall of coupling spring one side.

Preferably, a buffer table is fixed on the inner wall of the valve body at the bottom end of the buffer plate, a limit groove is formed in the outer wall of one side of the buffer table, a convex block is arranged in the limit groove, and one end of the convex block is fixedly connected with the outer wall of the buffer plate.

Preferably, the inside of mounting structure has set gradually mount pad, thread groove, sealing washer and joint groove, all installs the mount pad on the valve body outer wall of water inlet and delivery port one side, and is provided with the thread groove on the inner wall of mount pad.

Preferably, the both sides of mount pad inner wall all are provided with the joint groove, and are fixed with the sealing washer on the outer wall of mount pad one side, and the minimum diameter of sealing washer is greater than the maximum diameter of mount pad.

Compared with the prior art, the beneficial effects of the utility model are that: the high-strength wear-resistant check valve not only realizes the function of quickly installing the check valve and the pipeline, but also reduces the blockage in the valve body;

(1) the buffer plate is inclined under the hinging action of the hinging seat and the elastic action of the connecting spring in a matching manner and continuously swings under the action of water flow by virtue of the lug, the buffer table, the limiting groove, the buffer plate, the hinging seat, the connecting spring and the anti-slip strip, so that the water flow is buffered by the buffer plate, and the wear resistance of the valve body in use is enhanced;

(2) the check valve is provided with the mounting seat, the thread groove, the sealing ring and the clamping groove, the external pipeline is rotated to be in threaded connection with the thread groove on the inner wall of the mounting seat, and the clamping groove clamps the pipeline with the mounting seat, so that the quick mounting function of the check valve and the pipeline is realized;

(3) through being provided with the installation circle, filtering and leaking net, filter membrane and connecting rod, promote the installation circle and make it drive through the connecting rod and leak the inside that the net stretched into the valve body and with the inner wall laminating of valve body, filter the impurity of leaking the inside filter membrane of net in to liquid and filter, reduced the inside jam of valve body.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the buffering mechanism of the present invention;

fig. 4 is an enlarged schematic view of the mounting structure of the present invention.

In the figure: 1. a valve body; 2. a slot; 3. a buffer mechanism; 301. a bump; 302. a buffer table; 303. a limiting groove; 304. a buffer plate; 305. a hinged seat; 306. a connecting spring; 307. anti-slip strips; 4. a water inlet; 5. installing a ring; 6. a valve stem; 7. a flange plate; 8. a filler; 9. a valve core; 10. a water outlet; 11. a mounting structure; 1101. a mounting seat; 1102. a thread groove; 1103. a seal ring; 1104. a clamping groove; 12. filtering the filter screen; 13. filtering the membrane; 14. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a high-strength wear-resistant check valve comprises a valve body 1, a buffer mechanism 3, a valve rod 6, a flange 7 and a mounting structure 11, wherein the valve rod 6 is arranged inside the valve body 1, the top end of the valve rod 6 extends to the outside of the valve body 1 and is provided with the flange 7, a valve core 9 is fixed on the outer wall of the valve rod 6, one side inside the valve body 1 is provided with a filtering leakage net 12, a filtering membrane 13 is arranged inside the filtering leakage net 12, a connecting rod 14 is fixed on the outer wall of one side of the filtering leakage net 12, and one end of the connecting rod 14 extends to the outside of the valve body 1 and is provided with a mounting ring 5 for filtering impurities in liquid;

the bottom of the valve body 1 below the valve rod 6 is provided with a slot 2, the slot 2 is matched with the valve rod 6, the interior of the valve body 1 at one side of the valve rod 6 is provided with a buffer mechanism 3, the interior of the buffer mechanism 3 is sequentially provided with a convex block 301, a buffer table 302, a limiting groove 303, a buffer plate 304, a hinge seat 305, a connecting spring 306 and an anti-slip strip 307, the inner wall at one side of the valve body 1 is fixed with a hinge seat 305, and the bottom end of the hinge seat 305 is hinged with the buffer plate 304;

a connecting spring 306 is fixed on the inner wall of the valve body 1 at one side of the buffer plate 304, the bottom end of the connecting spring 306 is fixedly connected with the buffer plate 304, an antislip strip 307 is fixed on the inner wall of the valve body 1 at one side of the connecting spring 306, a buffer table 302 is fixed on the inner wall of the valve body 1 at the bottom end of the buffer plate 304, a limit groove 303 is arranged on the outer wall at one side of the buffer table 302, a bump 301 is arranged inside the limit groove 303, and one end of the bump 301 is fixedly connected with the outer wall of the buffer plate 304;

under the impact of liquid, the buffer plate 304 tilts under the hinging action of the hinging seat 305 and the elastic action of the connecting spring 306, and continuously swings under the action of water flow, meanwhile, the anti-slip strips 307 improve the friction force between the buffer plate 304 and the inner wall of the valve body 1, the buffer plate 304 buffers the water flow, and the erosion of the water flow to the inner wall of the valve body 1 is reduced, so that the wear resistance of the valve body 1 is enhanced, and the service life of the valve body 1 is prolonged;

a water inlet 4 is formed in one side of the valve body 1, a water outlet 10 is formed in the other side of the valve body 1, mounting structures 11 are arranged on the outer walls of the valve body 1 at the positions of the water inlet 4 and the water outlet 10, and a filler 8 is arranged inside the valve body 1 on one side of the top of the valve rod 6;

the mounting structure 11 is internally provided with a mounting seat 1101, a thread groove 1102, a sealing ring 1103 and a clamping groove 1104 in sequence, the mounting seat 1101 is mounted on the outer wall of the valve body 1 on one side of the water inlet 4 and the water outlet 10, the thread groove 1102 is arranged on the inner wall of the mounting seat 1101, the clamping grooves 1104 are arranged on two sides of the inner wall of the mounting seat 1101, the sealing ring 1103 is fixed on the outer wall on one side of the mounting seat 1101, and the minimum diameter of the sealing ring 1103 is larger than the maximum diameter of the mounting seat 1101;

the external pipeline is rotated to be in threaded connection with a threaded groove 1102 on the inner wall of the mounting seat 1101, in the process, the clamping groove 1104 clamps the pipeline with the mounting seat 1101, the sealing performance is obtained when the installation is improved under the action of the sealing ring 1103, and the quick installation work of the check valve and the pipeline is completed.

The working principle is as follows: when the check valve is used, a worker firstly pushes the mounting ring 5 to drive the filtering leakage net 12 to extend into the valve body 1 through the connecting rod 14 and attach to the inner wall of the valve body 1, the filtering membrane 13 in the filtering leakage net 12 filters impurities in liquid, the impurities are prevented from entering and accumulating in the valve body 1 to block the valve body 1, then an external pipeline is rotated to be in threaded connection with the threaded groove 1102 on the inner wall of the mounting seat 1101, in the process, the pipeline is clamped with the mounting seat 1101 through the clamping groove 1104, the sealing performance is improved during installation under the action of the sealing ring 1103, the quick installation work of the check valve and the pipeline is completed, finally, the valve rod 6 is rotated to drive the valve core 9 to move downwards, so that the bottom end of the valve rod 6 extends into the slot 2, at the moment, the inside of the valve body 1 is in a communicated state, the liquid enters the inside of the valve body 1 through the water inlet 4, under the impact of liquid, the buffer board 304 inclines in the articulated effect of articulated seat 305 and the elastic action of cooperation connecting spring 306 to swing constantly under the effect of rivers, antislip strip 307 has improved the frictional force of buffer board 304 with the valve body 1 inner wall simultaneously, buffer board 304 cushions rivers, the erosion of rivers to valve body 1 inner wall has been reduced, thereby the wearability of valve body 1 has been strengthened, the life of valve body 1 has been prolonged, accomplish the work of high strength wear-resisting check valve.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a wear-resisting check valve of high strength, includes valve body (1), buffer gear (3), valve rod (6), ring flange (7) and mounting structure (11), its characterized in that: the inside of valve body (1) is provided with valve rod (6), and the top of valve rod (6) extends to the outside of valve body (1) and installs ring flange (7) to be fixed with case (9) on the outer wall of valve rod (6), valve body (1) bottom of valve rod (6) below is provided with slot (2), and slot (2) and valve rod (6) mutually support, valve body (1) inside of valve rod (6) one side is provided with buffer gear (3), one side of valve body (1) is provided with water inlet (4), and the opposite side of valve body (1) is provided with delivery port (10) to all be provided with mounting structure (11) on water inlet (4) and the valve body (1) outer wall of delivery port (10) position department, valve body (1) inside of valve rod (6) top one side is provided with filler (8).

2. A high strength, wear resistant check valve as defined in claim 1 wherein: one side of the interior of the valve body (1) is provided with a filtering leakage net (12), a filtering membrane (13) is arranged in the interior of the filtering leakage net (12), a connecting rod (14) is fixed on the outer wall of one side of the filtering leakage net (12), and one end of the connecting rod (14) extends to the exterior of the valve body (1) and is provided with a mounting ring (5).

3. A high strength, wear resistant check valve as defined in claim 1 wherein: the buffer structure is characterized in that a convex block (301), a buffer table (302), a limiting groove (303), a buffer plate (304), a hinged seat (305), a connecting spring (306) and an anti-slip strip (307) are sequentially arranged inside the buffer mechanism (3), the hinged seat (305) is fixed on the inner wall of one side of the valve body (1), the bottom end of the hinged seat (305) is hinged to the buffer plate (304), the connecting spring (306) is fixed on the inner wall of the valve body (1) of one side of the buffer plate (304), the bottom end of the connecting spring (306) is fixedly connected with the buffer plate (304), and the anti-slip strip (307) is fixed on the inner wall of the valve body (1) of one side of the connecting spring (306).

4. A high strength, wear resistant check valve as defined in claim 3 wherein: be fixed with buffer table (302) on valve body (1) inner wall of buffer board (304) bottom, and be provided with spacing groove (303) on the outer wall of buffer table (302) one side, the inside of spacing groove (303) is provided with lug (301), the one end of lug (301) and the outer wall fixed connection of buffer board (304).

5. A high strength, wear resistant check valve as defined in claim 1 wherein: the mounting structure is characterized in that a mounting seat (1101), a thread groove (1102), a sealing ring (1103) and a clamping groove (1104) are sequentially arranged inside the mounting structure (11), the mounting seat (1101) is arranged on the outer wall of the valve body (1) on one side of the water inlet (4) and the water outlet (10), and the thread groove (1102) is arranged on the inner wall of the mounting seat (1101).

6. A high strength, wear resistant check valve as defined in claim 5 wherein: the both sides of mount pad (1101) inner wall all are provided with joint groove (1104), and are fixed with sealing washer (1103) on the outer wall of mount pad (1101) one side, and the minimum diameter of sealing washer (1103) is greater than the maximum diameter of mount pad (1101).