CN220060894U

CN220060894U - Check valve joint

Info

Publication number: CN220060894U
Application number: CN202321685433.6U
Authority: CN
Inventors: 张维宽; 王拓; 毛孟龙; 葛宏辉; 李昆
Original assignee: Ningbo Fenghua Jinghehui Hydraulic Technology Co ltd
Current assignee: Ningbo Fenghua Jinghehui Hydraulic Technology Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-11-21
Anticipated expiration: 2033-06-29

Abstract

The utility model relates to the technical field of check valves and discloses a check valve connector, which comprises a check valve body, wherein an adjusting disc is arranged at the top of the check valve body, a fixing rod is fixedly connected to the top of the left side of the check valve body, a connecting plate is fixedly connected to the left side of the fixing rod, a connector pipe is communicated with the bottom of the left side of the check valve body, and a connector body is connected to the left side of the connector pipe in a threaded manner; the top of the connecting plate is provided with a transmission mechanism. This check valve connects, drives the driving gear through servo motor's output and rotates, and the driving gear drives driven gear through tooth meshing's effect and rotates, and driven gear drives positive and negative threaded rod and rotates, and positive and negative threaded rod passes through the effect of screw thread and drives the thread bush and move inwards, and the thread bush passes through the connecting rod and drives the closing plate and move to the inboard, and at this moment, closing plate and joint body and joint pipe's junction closely laminate, have reached sealed effect.

Description

Check valve joint

Technical Field

The utility model relates to the technical field of check valves, in particular to a check valve connector.

Background

The check valve is a valve which automatically opens and closes a valve flap by means of the flow of a medium, and is used for preventing the medium from flowing backwards, and is also called a one-way valve, a reverse flow valve and a back pressure valve.

The check valve joint is needed to be used in the check valve connection, but the existing check valve joint is usually connected with a connecting port of the check valve through threads, but long-time rotation of the threads can lead to internal abrasion of the threads, and then the tightness between the check valve and the joint is reduced, so that the check valve joint is inconvenient to use by people.

Accordingly, one skilled in the art would be able to provide a check valve fitting that solves the problems set forth in the background above.

Disclosure of Invention

The present utility model is directed to a check valve joint, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the check valve connector comprises a check valve body, wherein an adjusting disc is arranged at the top of the check valve body, a fixing rod is fixedly connected to the top of the left side of the check valve body, a connecting plate is fixedly connected to the left side of the fixing rod, a connector pipe is communicated with the bottom of the left side of the check valve body, and a connector body is connected to the left side of the connector pipe in a threaded manner;

the top of connecting plate is provided with drive mechanism, drive mechanism includes the transmission case, transmission case fixedly connected with is in the top of connecting plate, the top fixedly connected with servo motor of transmission case, both sides all have positive and negative threaded rod through bearing swing joint around the transmission case inner chamber, both sides all threaded connection has the thread bush around the positive and negative threaded rod surface, the bottom fixedly connected with connecting rod of thread bush, the one end fixedly connected with closing plate of thread bush is kept away from to the connecting rod.

As still further aspects of the utility model: the top of transmission case just is located servo motor's outside and is provided with the protection casing, and all pass through bolt threaded connection in the internal surface of transmission case around the protection casing internal surface.

As still further aspects of the utility model: the sliding grooves are formed in the front side and the rear side of the top of the inner cavity of the transmission case, the top of the threaded sleeve is fixedly connected with a sliding rod, and the top of the sliding rod is slidably connected in the inner cavity of the sliding groove.

As still further aspects of the utility model: limiting grooves are formed in the front side and the rear side of the bottom of the transmission case and the front side and the rear side of the inner surface of the connecting plate, and the bottom of the connecting rod penetrates through the inner cavity of the limiting groove and extends to the bottom of the connecting plate.

As still further aspects of the utility model: the inner side of the sealing plate is fixedly connected with a sealing gasket, and the sealing gasket is made of rubber.

As still further aspects of the utility model: the output end of the servo motor is fixedly connected with a driving gear, the middle end of the outer surface of the positive and negative threaded rod is fixedly connected with a driven gear, and the top of the driven gear is meshed with the front side of the driving gear through teeth.

As still further aspects of the utility model: the right side of the check valve body is communicated with a connecting pipe, and the right side of the connecting pipe is provided with a flange plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the driving gear is driven to rotate through the output end of the servo motor, the driving gear drives the driven gear to rotate through the meshing action of teeth, the driven gear drives the positive and negative threaded rod to rotate, the positive and negative threaded rod drives the threaded sleeve to move inwards through the action of threads, and the threaded sleeve drives the sealing plate to move inwards through the connecting rod, so that the sealing effect is achieved by tightly fitting the sealing plate with the joint of the joint body and the joint pipe.

2. According to the utility model, the servo motor can be protected by arranging the protective cover, the stability of the threaded sleeve in the moving process can be improved by arranging the sliding groove and the sliding rod, the connecting rod can be limited by arranging the limiting groove, the deviation in the moving process is avoided, and the sealing gasket is arranged to play a sealing role.

Drawings

FIG. 1 is a schematic illustration of a check valve fitting;

FIG. 2 is a schematic view showing the structure of the check valve connector in a state of disassembling the connector body;

FIG. 3 is a schematic cross-sectional view of a check valve fitting;

FIG. 4 is a schematic view of a sealing plate structure in a check valve joint.

In the figure: 1. a check valve body; 2. a joint pipe; 3. a joint body; 4. a connecting plate; 5. a transmission mechanism; 501. a transmission case; 502. a chute; 503. a slide bar; 504. a servo motor; 505. a drive gear; 506. a driven gear; 507. a thread sleeve; 508. a positive and negative threaded rod; 509. a connecting rod; 510. a sealing plate; 511. a limit groove; 512. a sealing gasket; 6. a protective cover; 7. a fixed rod; 8. an adjusting plate; 9. a connecting pipe; 10. and a flange plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a check valve joint comprises a check valve body 1, wherein an adjusting disc 8 is arranged at the top of the check valve body 1, a fixing rod 7 is fixedly connected to the top of the left side of the check valve body 1, a connecting plate 4 is fixedly connected to the left side of the fixing rod 7, a joint pipe 2 is communicated with the bottom of the left side of the check valve body 1, and a joint body 3 is connected to the left side of the joint pipe 2 through threads;

the top of connecting plate 4 is provided with drive mechanism 5, and drive mechanism 5 includes transmission case 501, and transmission case 501 fixedly connected with is at the top of connecting plate 4, and the top fixedly connected with servo motor 504 of transmission case 501, the front and back both sides of transmission case 501 inner chamber all have positive and negative threaded rod 508 through bearing swing joint, and the front and back both sides of positive and negative threaded rod 508 surface all threaded connection has thread bush 507, the bottom fixedly connected with connecting rod 509 of thread bush 507, the one end fixedly connected with closing plate 510 of thread bush 507 is kept away from to connecting rod 509.

Specifically, the top of the transmission case 501 and the outer side of the servo motor 504 are provided with a protection cover 6, and the periphery of the inner surface of the protection cover 6 is connected to the inner surface of the transmission case 501 through bolts and threads.

By the above technical solution, the servo motor 504 can be protected by providing the protection cover 6.

Specifically, the front side and the rear side of the top of the inner cavity of the transmission case 501 are both provided with a sliding groove 502, the top of the threaded sleeve 507 is fixedly connected with a sliding rod 503, and the top of the sliding rod 503 is slidably connected in the inner cavity of the sliding groove 502.

Through the technical scheme, the stability of the threaded sleeve 507 in the moving process can be improved through the arrangement of the sliding groove 502 and the sliding rod 503.

Specifically, the front and back sides of the bottom of the transmission case 501 and the front and back sides of the inner surface of the connecting plate 4 are both provided with limiting grooves 511, and the bottom of the connecting rod 509 penetrates through the inner cavity of the limiting groove 511 and extends to the bottom of the connecting plate 4.

Through the above technical scheme, through setting up spacing groove 511, can carry out spacingly to connecting rod 509, avoid taking place the skew in the removal in-process.

Specifically, a sealing pad 512 is fixedly connected to the inner side of the sealing plate 510, and the sealing pad 512 is made of rubber.

By the above-described means, the sealing function can be achieved by providing the gasket 512.

Specifically, the output end of the servo motor 504 is fixedly connected with a driving gear 505, the middle end of the outer surface of the positive and negative threaded rod 508 is fixedly connected with a driven gear 506, and the top of the driven gear 506 is meshed with the front side of the driving gear 505 through teeth.

Through the technical scheme, the driving gear 505 and the driven gear 506 are arranged, so that the servo motor 504 can conveniently drive the forward and reverse threaded rod 508 to rotate.

Specifically, the right side of the check valve body 1 is communicated with a connecting pipe 9, and the right side of the connecting pipe 9 is provided with a flange plate 10.

Through above-mentioned technical scheme, through setting up ring flange 10, can make things convenient for connecting pipe 9 to be connected with other pipelines.

The working principle of the utility model is as follows: first, the joint body 3 is screwed on the inner side of the joint pipe 2, then, the output end of the servo motor 504 drives the driving gear 505 to rotate, the driving gear 505 drives the driven gear 506 to rotate through the action of tooth meshing, the driven gear 506 drives the forward and reverse threaded rod 508 to rotate, the forward and reverse threaded rod 508 drives the threaded sleeve 507 to move inwards through the action of threads, the threaded sleeve 507 drives the sealing plate 510 to move inwards through the connecting rod 509, and at the moment, the sealing plate 510 is tightly attached to the joint of the joint body 3 and the joint pipe 2, so that the sealing effect is achieved.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a check valve connects, includes check valve body (1), its characterized in that: the top of the check valve body (1) is provided with an adjusting disc (8), the top of the left side of the check valve body (1) is fixedly connected with a fixing rod (7), the left side of the fixing rod (7) is fixedly connected with a connecting plate (4), the bottom of the left side of the check valve body (1) is communicated with a joint pipe (2), and the left side of the joint pipe (2) is in threaded connection with a joint body (3);

the top of connecting plate (4) is provided with drive mechanism (5), drive mechanism (5) include transmission case (501), transmission case (501) fixedly connected with in the top of connecting plate (4), the top fixedly connected with servo motor (504) of transmission case (501), both sides all have positive and negative threaded rod (508) through bearing swing joint around transmission case (501) inner chamber, both sides all threaded connection has thread bush (507) around positive and negative threaded rod (508) surface, the bottom fixedly connected with connecting rod (509) of thread bush (507), one end fixedly connected with closing plate (510) of thread bush (507) are kept away from to connecting rod (509).

2. A check valve joint according to claim 1, wherein: the top of transmission case (501) and be located servo motor (504) the outside be provided with protection casing (6), and all pass through bolt threaded connection in the internal surface of transmission case (501) around protection casing (6) internal surface.

3. A check valve joint according to claim 1, wherein: the sliding grooves (502) are formed in the front side and the rear side of the top of the inner cavity of the transmission case (501), the top of the threaded sleeve (507) is fixedly connected with the sliding rod (503), and the top of the sliding rod (503) is slidably connected into the inner cavity of the sliding groove (502).

4. A check valve joint according to claim 1, wherein: limiting grooves (511) are formed in the front side and the rear side of the bottom of the transmission case (501) and the front side and the rear side of the inner surface of the connecting plate (4), and the bottom of the connecting rod (509) penetrates through the inner cavity of the limiting groove (511) and extends to the bottom of the connecting plate (4).

5. A check valve joint according to claim 1, wherein: the inner side of the sealing plate (510) is fixedly connected with a sealing gasket (512), and the sealing gasket (512) is made of rubber.

6. A check valve joint according to claim 1, wherein: the output end of the servo motor (504) is fixedly connected with a driving gear (505), the middle end of the outer surface of the positive and negative threaded rod (508) is fixedly connected with a driven gear (506), and the top of the driven gear (506) is meshed with the front side of the driving gear (505) through teeth.

7. A check valve joint according to claim 1, wherein: the right side of the check valve body (1) is communicated with a connecting pipe (9), and a flange plate (10) is arranged on the right side of the connecting pipe (9).