CN219035171U

CN219035171U - Butt joint valve core structure of hydraulic threaded cartridge valve

Info

Publication number: CN219035171U
Application number: CN202223344514.8U
Authority: CN
Inventors: 沈栋炼; 王均
Original assignee: Jiangsu Feiter Hydraulic Machinery Co ltd
Current assignee: Jiangsu Feiter Hydraulic Machinery Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-16
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a butt joint valve core structure of a hydraulic threaded cartridge valve, which comprises a valve body, a valve sleeve and a valve core main body, wherein an external thread cylinder is welded on one side of the valve body, and a sealing structure is arranged on the outer side wall of the external thread cylinder; the sealing structure comprises a circular ring seat and a sealing ring plate, wherein the circular ring plate is fixedly arranged on one side of the sealing ring plate, a circular ring hole is formed in one side of the circular ring seat, a push plate is arranged on one side of the circular ring plate, and a supporting spring is arranged on one side of the push plate. The utility model can block the generated gap and prevent the gas in the valve core structure from flowing to the outside through the gap, so that the use of the valve core structure is not affected, and secondly, the valve core main body is tightly connected with the equipment, so that the valve core is further connected with the equipment, the fixation between the valve core main body and the equipment is improved, the later loosening is prevented, the leakage of the whole structure is prevented, the thrust of the first spring is improved, and the fixation of the valve core and the equipment is improved.

Description

Butt joint valve core structure of hydraulic threaded cartridge valve

Technical Field

The utility model relates to the technical field of hydraulic valves, in particular to a butt joint valve core structure of a hydraulic threaded cartridge valve.

Background

The threaded cartridge valve takes liquid as a medium, in a hydraulic system, the fluid direction, flow, pressure and other oil path actions of the threaded cartridge valve can be regulated and controlled in a motorized or electric mode, and the threaded cartridge valve is installed in a threaded screwing type hydraulic actuating element.

In the prior art, for example, chinese patent No.: the utility model provides a "hydraulic thread cartridge valve butt joint case structure" of CN217761516U, includes the valve body, the bottom of valve body is provided with the valve pocket, outer thread has been seted up to the surface of valve body, lock nut is installed on the top of valve body, the inside of valve body can be dismantled and inlay the case, the leak hole has been seted up to the bottom periphery side of valve body, the surface of valve body is located the department installs fixed spacing post directly over outer thread, sealing rubber ring is installed to the bottom of fixed spacing post, the mosaic hole has been seted up on sealing rubber ring's top.

In the prior art, after the valve core structure is contacted with equipment, a tiny gap can appear at the contact position between one side of the valve core structure and one side of the equipment, and due to the fact that the internal pressure is large, gas in the valve core structure can flow to the outside through the gap, so that the use of the valve core structure is affected, and on the other hand, when the valve core structure is installed and used, the later-stage loosening expansion can be caused due to poor fixity, so that the leakage of the whole structure is caused.

Disclosure of Invention

The utility model aims to provide a butt joint valve core structure of a hydraulic threaded cartridge valve, which solves the problems that in the prior art, after the valve core structure is contacted with equipment, a small gap is formed at the contact position of one side of the valve core structure and one side of the equipment, and gas in the valve core structure flows to the outside through the gap due to large internal pressure, so that the use of the valve core structure is affected, and on the other hand, the later loosening and expansion are caused due to poor fixity during installation and use, so that the leakage of the whole structure is caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the butt joint valve core structure of the hydraulic thread cartridge valve comprises a valve body, a valve sleeve and a valve core main body, wherein an external thread cylinder is welded on one side of the valve body, and a sealing structure is arranged on the outer side wall of the external thread cylinder;

the sealing structure comprises a circular ring seat and a sealing ring plate, wherein the circular ring plate is fixedly arranged on one side of the sealing ring plate, a circular ring hole is formed in one side of the circular ring seat, a push plate is arranged on one side of the circular ring plate, a supporting spring is arranged on one side of the push plate, and a storage groove is formed in the circular ring seat.

Preferably, a first spring is arranged in the middle of the inner part of the valve body, a movable seat is arranged on one side of the first spring, and a second spring is fixedly arranged on one side of the movable seat.

Preferably, one side of the circular ring seat is fixed with one side of the valve body, the sealing ring plate is sleeved on the outer side wall of the external thread cylinder, and one side of the circular ring plate penetrates through the circular ring hole to be fixed with one side of the push plate.

Preferably, the other side of valve body is provided with the hexagon nut, one side of hexagon nut is provided with the screw rod, screw rod and hexagon nut threaded connection, one side of screw rod passes the valve body and contacts with one side of a spring.

Preferably, one side of the second spring is contacted with one side of the valve core main body, and the movable seat is arranged in the valve body.

Preferably, one side of the push plate is arranged in the storage groove, one sides of the supporting springs are fixed with one side of the push plate, and the other sides of the supporting springs are fixed with one side wall of the storage groove.

Preferably, one side of the valve sleeve is arranged in the valve body, and the valve core main body and the second spring are both arranged in the valve sleeve.

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

1. according to the utility model, the sealing structure is arranged, one sides of the supporting springs push the push plate to move in the storage groove under the elasticity of the supporting springs, the push plate drives the annular plate to move in the annular hole, and one side of the annular plate drives the sealing annular plate to move, so that one side of the sealing annular plate is in close contact with equipment, a generated gap can be blocked, and gas in the valve core structure is prevented from flowing to the outside through the gap, so that the use of the valve core structure is not influenced.

2. According to the valve core, the first spring and the second spring are arranged, the second spring drives the valve core main body to move under the elasticity of the second spring, so that the valve core main body is tightly connected with equipment, the first spring pushes the valve sleeve to move through the moving seat under the elasticity of the first spring, the valve core main body can be further pushed to move, the valve core main body is further connected with the equipment, the fixation between the valve core main body and the equipment is improved, the later loosening is prevented, the integral structure is prevented from leaking, meanwhile, the screw and the hexagonal nut rotate through rotating the hexagonal nut, the hexagonal nut and the screw rotate, one side of the screw moves in the valve body, one side of the screw pushes the first spring to move, the thrust of the first spring can be improved, and the fixation of the valve core and the equipment is improved.

Drawings

FIG. 1 is a perspective view of a hydraulic threaded cartridge valve docking valve cartridge structure of the present utility model;

FIG. 2 is a schematic diagram of a half-section structure of a butt-joint valve core structure of a hydraulic threaded cartridge valve according to the present utility model;

FIG. 3 is a perspective view of a seal structure of a butt-joint valve core structure of a hydraulic threaded cartridge valve according to the present utility model;

fig. 4 is a schematic structural view of a sealing structure of a butt joint valve core structure of a hydraulic threaded cartridge valve according to the present utility model.

In the figure:

1. a valve body; 2. an external thread cylinder; 3. a sealing structure; 31. a circular ring seat; 32. sealing ring plates; 33. a circular plate; 34. a circular ring hole; 35. a push plate; 36. a support spring; 37. a storage tank; 4. a hexagonal nut; 5. a screw; 6. a valve sleeve; 7. a valve core main body; 8. a first spring; 9. a movable seat; 10. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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: the butt joint valve core structure of the hydraulic thread cartridge valve comprises a valve body 1, a valve sleeve 6 and a valve core main body 7, wherein an external thread cylinder 2 is welded on one side of the valve body 1, and a sealing structure 3 is arranged on the outer side wall of the external thread cylinder 2; the sealing structure 3 comprises a ring seat 31 and a sealing ring plate 32, wherein a ring plate 33 is fixedly arranged on one side of the sealing ring plate 32, a ring hole 34 is formed in one side of the ring seat 31, a push plate 35 is arranged on one side of the ring plate 33, a supporting spring 36 is arranged on one side of the push plate 35, a storage groove 37 is formed in the interior of the ring seat 31, one side of the ring seat 31 is fixed with one side of the valve body 1, the sealing ring plate 32 is sleeved on the outer side wall of the external thread cylinder 2, one side of the ring plate 33 penetrates through the ring hole 34 and is fixed with one side of the push plate 35, one side of the push plate 35 is arranged in the storage groove 37, one sides of a plurality of groups of supporting springs 36 are fixed with one side of the push plate 35, and the other sides of a plurality of groups of supporting springs 36 are fixed with one side wall of the storage groove 37.

The effect that it reached is, through being provided with seal structure 3, under the elasticity of a plurality of group support spring 36, the inside removal of storage groove 37 is all promoted to the one side of a plurality of group support spring 36, and push pedal 35 can drive ring board 33 at the inside removal of ring hole 34, and one side of ring board 33 can drive seal ring board 32 and remove for seal ring board 32's one side and equipment in close contact, thereby can seal the gap that produces, prevent that the inside gas of case structure from passing through the gap flow direction outside, consequently can not influence the use of case structure.

As shown in fig. 1 and 2, a first spring 8 is arranged in the middle of the interior of the valve body 1, a movable seat 9 is arranged on one side of the first spring 8, a second spring 10 is fixedly arranged on one side of the movable seat 9, a hexagonal nut 4 is arranged on the other side of the valve body 1, a screw 5 is arranged on one side of the hexagonal nut 4, the screw 5 is in threaded connection with the hexagonal nut 4, one side of the screw 5 penetrates through the valve body 1 to be contacted with one side of the first spring 8, one side of the second spring 10 is contacted with one side of the valve core main body 7, the movable seat 9 is arranged in the valve body 1, one side of the valve sleeve 6 is arranged in the valve body 1, and the valve core main body 7 and the second spring 10 are all arranged in the valve sleeve 6.

The effect that it reached is, through being provided with spring 8 and No. two springs 10, under No. two springs 10's elasticity, its No. two springs 10 can drive case main part 7 and remove, make case main part 7 and equipment carry out zonulae occludens, and under spring 8's elasticity, spring 8 can promote valve barrel 6 through moving seat 9 and remove, can further promote case main part 7 and remove, make case main part 7 and equipment further connect, with improve the fixing between the two, prevent to loosen in the later stage, prevent that the overall structure from leaking, simultaneously, through screw rod 5 and hex nut 4, its hex nut 4 rotates with screw rod 5, make one side of screw rod 5 remove in the inside of valve body 1, and one side of screw rod 5 can promote spring 8 and remove, can improve the thrust of spring 8, the fixity of this case and equipment has been improved.

The working principle of the utility model is as follows: when the sealing device is used, firstly, under the elasticity of the spring No. two 10, the spring No. two 10 can drive the valve core main body 7 to move, the valve core main body 7 is tightly connected with equipment, and under the elasticity of the spring No. one 8, the spring No. one 8 can push the valve sleeve 6 to move through the moving seat 9, the valve core main body 7 can be further pushed to move, the valve core main body 7 is further connected with the equipment, fixing between the valve core main body 7 and the equipment is improved, the later loosening is prevented, the integral structure is prevented from being leaked, meanwhile, through the screw 5 and the hexagonal nut 4, the hexagonal nut 4 and the screw 5 rotate, one side of the screw 5 moves in the valve body 1, one side of the screw 5 can push the spring No. 8 to move, the thrust of the spring No. one 8 can be improved, the fixability of the valve core and the equipment is improved, finally, under the elasticity of a plurality of groups of supporting springs 36, one side of the pushing plate 35 can drive the annular plate 33 to move in the interior of the annular hole 34, one side of the annular plate 33 can drive the annular plate 32 to move, and the annular plate 33 can drive the annular plate 32 to move in the interior of the annular plate 34, and the annular plate 32 can not influence the gap to the sealing device, and the sealing device can be prevented from being in contact with the sealing structure.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a hydraulic thread cartridge valve butt joint case structure, includes valve body (1), valve pocket (6) and case main part (7), its characterized in that: an external thread cylinder (2) is welded on one side of the valve body (1), and a sealing structure (3) is arranged on the outer side wall of the external thread cylinder (2);

seal structure (3) are including ring seat (31) and sealed annular plate (32), one side fixed mounting of sealed annular plate (32) has ring board (33), ring hole (34) have been seted up to one side of ring seat (31), one side of ring board (33) is provided with push pedal (35), one side of push pedal (35) is provided with supporting spring (36), storage tank (37) have been seted up to the inside of ring seat (31).

2. The hydraulic threaded cartridge valve docking valve cartridge structure of claim 1, wherein: a first spring (8) is arranged in the middle of the interior of the valve body (1), a movable seat (9) is arranged on one side of the first spring (8), and a second spring (10) is fixedly arranged on one side of the movable seat (9).

3. The hydraulic threaded cartridge valve docking valve cartridge structure of claim 1, wherein: one side of the circular ring seat (31) is fixed with one side of the valve body (1), the sealing ring plate (32) is sleeved on the outer side wall of the external thread cylinder (2), and one side of the circular ring plate (33) penetrates through the circular ring hole (34) to be fixed with one side of the push plate (35).

4. The hydraulic threaded cartridge valve docking valve cartridge structure of claim 1, wherein: the other side of valve body (1) is provided with hexagon nut (4), one side of hexagon nut (4) is provided with screw rod (5), screw rod (5) and hexagon nut (4) threaded connection, one side of screw rod (5) is passed valve body (1) and is contacted with one side of a spring (8).

5. The hydraulic threaded cartridge valve docking valve cartridge structure of claim 2, wherein: one side of the second spring (10) is contacted with one side of the valve core main body (7), and the movable seat (9) is arranged in the valve body (1).

6. A hydraulic threaded cartridge valve docking valve cartridge structure as in claim 3, wherein: one side of the push plate (35) is arranged in the storage groove (37), one sides of the supporting springs (36) are fixed with one side of the push plate (35), and the other sides of the supporting springs (36) are fixed with one side wall of the storage groove (37).

7. The hydraulic threaded cartridge valve docking valve cartridge structure of claim 5, wherein: one side of the valve sleeve (6) is arranged in the valve body (1), and the valve core main body (7) and the second spring (10) are both arranged in the valve sleeve (6).