CN214466119U

CN214466119U - Electric valve opening and closing buffer device

Info

Publication number: CN214466119U
Application number: CN202120493426.0U
Authority: CN
Inventors: 朱仁洪; 徐涛
Original assignee: Renlin Hangzhou Environmental Technology Co ltd
Current assignee: Renlin Hangzhou Environmental Technology Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-10-22
Anticipated expiration: 2031-03-08

Abstract

The utility model belongs to the technical field of electric valves, in particular to an opening and closing buffer device of an electric valve, which comprises a fixed shell and a connecting pipe shell; the connecting pipe shell is fixedly connected between the upper fixed shell and the lower fixed shell; a sealing element is arranged inside the connecting pipe shell; the top of the fixed shell is provided with a first limiting groove; a connecting rod is arranged in the middle of the upper end of the fixed shell in a through hole; the lower end of the fixed shell is provided with a second limiting groove; the lower end of the fixed shell is provided with a cavity. Utilize the limiting plate of fixing in sealed piece bottom to slide on the gag lever post on the fixed shell in bottom, realize the limit function to the limiting plate to carry on spacingly through the limiting plate to the sealed piece of upper end, and when sealed piece automatically controlled downstream, can compress the buffer spring of bottom limiting plate lower extreme, thereby realize the cushioning effect to sealed piece.

Description

Electric valve opening and closing buffer device

Technical Field

The utility model belongs to the technical field of electric valve, specific buffer is opened and close to electric valve that says so.

Background

The valve is generally composed of an actuating mechanism and a valve body, and if the valve is matched with the power used by the actuating mechanism, the valve can be divided into four types of manual, pneumatic, electric and hydraulic, namely a manual valve taking manpower as a power source, a pneumatic valve taking compressed air as a power source, an electric valve taking electricity as a power source and a hydraulic valve taking liquid medium pressure as power.

Electric valve's among the prior art use is comparatively extensive, and its performance that can make the valve obtains very big promotion, compares than manual valve, and electric valve's application scope is wider, and electric valve is opening and close the in-process among the prior art owing to lack buffer, when leading to it to open and close, because angular deviation can cause the fracture of inside transfer line to lead to the damage of valve.

SUMMERY OF THE UTILITY MODEL

In order to make up the defects of the prior art, the electric valve opening and closing buffer device is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to an electric valve opening and closing buffer device, which comprises a fixed shell and a connecting pipe shell; the connecting pipe shell is fixedly connected between the upper fixed shell and the lower fixed shell; a sealing element is arranged inside the connecting pipe shell; the top of the fixed shell is provided with a first limiting groove; a connecting rod is arranged in the middle of the upper end of the fixed shell in a through hole; the lower end of the fixed shell is provided with a second limiting groove; the lower end of the fixed shell is provided with a cavity.

Preferably, the sealing element comprises a sealing block and a limiting plate; the bottom surface of the lower end of the sealing block is fixedly connected to the surface of the limiting plate; the top of the sealing block is fixedly connected with a fixing rod.

Preferably, the top of the fixing rod is slidably connected inside the second limiting groove; the lower end of the connecting rod is fixedly connected to the fixing rod.

Preferably, the outer side of the limiting plate is symmetrically perforated and connected with limiting rods; the other end of the limiting rod is fixedly connected to the wall surface of the fixed shell; the middle part of the bottom surface of the limiting plate is fixedly connected with a buffer spring and a straight rod; the buffer spring is arranged on the outer side of the straight rod; the bottom end of the straight rod is connected to the inside of the cavity in a sliding mode.

Preferably, the middle part of the upper end of the connecting rod is provided with a limiting block; the lower end of the limiting block is fixedly connected with a short spring; the short spring is sleeved outside the connecting rod.

Preferably, the middle part of the sealing block is provided with a deformation piece; the deformation piece consists of a deformation block and a spring rod; the front end of the spring rod is abutted against the inner wall of the deformation block.

The utility model has the advantages that: utilize the limiting plate of fixing in sealed piece bottom to slide on the gag lever post on the fixed shell in bottom, realize the limit function to the limiting plate to carry on spacingly through the limiting plate to the sealed piece of upper end, and when sealed piece automatically controlled downstream, can compress the buffer spring of bottom limiting plate lower extreme, thereby realize the cushioning effect to sealed piece.

The utility model provides a buffer is opened and close to electric valve, the deformation piece through sealed piece middle part is along with the in-process that sealed piece removed, can contact with the space lateral wall at connecting pipe shell middle part to make the deformation piece in the deformation piece and the space lateral wall in close contact with of connecting pipe shell, realize deadly the sealing in connecting pipe shell middle part space, realize closing to the valve.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a schematic perspective view of a limiting plate of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

fig. 4 is a schematic structural diagram of the sealing block of the present invention;

illustration of the drawings:

2. fixing the housing; 21. a first limit groove; 22. a second limit groove; 23. a cavity; 3. a connecting tube housing; 4. a seal member; 41. a connecting rod; 411. a short spring; 412. a limiting block; 42. a sealing block; 421. a limiting plate; 422. a limiting rod; 423. a buffer spring; 424. a straight rod; 425. fixing the rod; 43. a deformation member; 431. a deformation block; 432. a spring 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Specific examples are given below.

Referring to fig. 1 to 4, the present invention provides an electric valve opening/closing buffer device, which includes a fixed housing 2 and a connecting pipe housing 3; the connecting pipe shell 3 is fixedly connected between the upper fixed shell 2 and the lower fixed shell 2; a sealing element 4 is arranged inside the connecting pipe shell 3; the top of the fixed shell 2 is provided with a first limiting groove 21; a connecting rod 41 is arranged in the middle of the upper end of the fixed shell 2 in a through hole; the lower end of the fixed shell 2 is provided with a second limit groove 22; the lower end of the fixed housing 2 is provided with a cavity 23.

As an embodiment of the present invention, the sealing element 4 includes a sealing block 42 and a limiting plate 421; the bottom surface of the lower end of the sealing block 42 is fixedly connected to the surface of the limiting plate 421; the top of the sealing block 42 is fixedly connected with a fixing rod 425; during operation, the sealing block 42 and the limiting plate 421 can move downwards under the driving of the upper end connecting rod 41, so that the sealing block 42 is separated from the middle gap of the connecting pipe housing 3, the opening of the middle gap of the connecting pipe housing 3 is realized, otherwise, the closing of the middle gap of the connecting pipe housing 3 is realized.

As an embodiment of the present invention, the top of the fixing rod 425 is slidably connected inside the second limiting groove 22; the lower end of the connecting rod 41 is fixedly connected to the fixing rod 425; during operation, when the sealing element 4 in the middle moves up and down under the action of electric control to realize the opening and closing functions of the valve, the fixing rod 425 at the top of the upper sealing block 42 mainly plays a role of being fixedly connected with the connecting rod 41 at the top, and the connecting mode of the connecting rod 41 and the fixing rod 425 is in threaded rotation connection, so that the valve is convenient to install.

As an embodiment of the present invention, the limiting plate 421 has a limiting rod 422 connected to the outside of the limiting plate through a symmetrical hole; the other end of the limiting rod 422 is fixedly connected to the wall surface of the fixed shell 2; the middle of the bottom surface of the limiting plate 421 is fixedly connected with a buffer spring 423 and a straight rod 424; the buffer spring 423 is arranged on the outer side of the straight rod 424; the bottom end of the straight rod 424 is slidably connected inside the cavity 23; during operation, when the installation, limiting plate 421 can slide on gag lever post 422 along with the limiting plate 421 of the removal drive seal block 42 bottom of sealing member 4, realize the limit function to limiting plate 421, thereby indirectly realize the limit function to the seal block 42 on limiting plate 421, and at the in-process that limiting plate 421 removed, buffer spring 423 bottom limiting plate 421 can receive the compression, and limiting plate 421 is at the in-process that removes, can drive the straight-bar 424 of its bottom and slide in the inside cavity 23 of the fixed shell 2 of lower floor.

As an embodiment of the present invention, a limiting block 412 is disposed in the middle of the upper end of the connecting rod 41; the lower end of the limiting block 412 is fixedly connected with a short spring 411; the short spring 411 is sleeved on the outer side of the connecting rod 41; when the connecting rod device works, the connecting rod 41 is connected with the inner parts of the first limiting groove 21 and the second limiting groove 22 in the middle of the upper end fixing shell 2 through a through hole, the outer end of the connecting rod 41 is connected with the electric control mechanism, when the electric control mechanism drives the connecting rod to move up and down, the limiting block 412 in the middle of the connecting rod 41 provides a limiting function for the connecting rod, the connecting rod 41 is prevented from moving downwards excessively, the short spring 411 at the bottom of the limiting block 412 plays a further buffering role for the connecting rod 41, the same as the buffering spring 423 at the bottom, after the connecting rod 41 and the sealing element 4 are compressed, when downward force is not applied to the connecting rod along with electric control equipment any more, the connecting rod 41 and the sealing element 4 tend to move upwards under the action of the short spring 411 and the buffering spring 423, and the sealing block 42 is tightly attached to a gap in the middle of the connecting pipe shell 3 under the driving of the electric control equipment.

As an embodiment of the present invention, the middle of the sealing block 42 is provided with a deformation member 43; the deformation member 43 is composed of a deformation block 431 and a spring rod 432; the front end of the spring rod 432 abuts against the inner wall of the deformation block 431; during operation, the deformation 43 in the middle part of the sealing block 42 is extruded to the outside all the time, namely the spring rod 432 inside the deformation 431 extrudes the deformation 431 outside all the time, so that when the deformation 431 contacts with the middle part of the connecting pipe shell 3, the deformation 431 is compressed inwards, the spring rod 432 is driven to slide inwards in the sleeve outside the deformation 431, the deformation 431 outside the deformation is connected in the middle part of the connecting pipe shell 3 in a tight manner all the time, and therefore the opening and closing functions of the valve are achieved.

The working principle is as follows: when the valve is in operation, the sealing block 42 and the limiting plate 421 move downwards under the driving of the upper connecting rod 41, so that the sealing block 42 is separated from the middle gap of the connecting pipe housing 3, and the opening of the middle gap of the connecting pipe housing 3 is realized, otherwise, the closing of the middle gap of the connecting pipe housing 3 is realized, when the middle sealing element 4 moves up and down under the electric control effect to realize the opening and closing functions of the valve, the fixing rod 425 at the top of the upper sealing block 42 mainly plays a role of fixedly connecting with the connecting rod 41 at the top, the connecting rod 41 and the fixing rod 425 are connected in a threaded rotating manner, so that the valve is convenient to install, when the valve is installed, the limiting plate 421 can drive the limiting plate 421 at the bottom of the sealing block 42 to slide on the limiting rod 422 along with the movement of the sealing element 4, the limiting function of the limiting plate 421 is realized, and the limiting function of the sealing block 42 on the limiting plate 421 is indirectly realized, in the moving process of the limiting plate 421, the buffer spring 423 at the bottom of the limiting plate 421 is compressed, and in the moving process of the limiting plate 421, the straight rod 424 at the bottom of the limiting plate is driven to slide in the cavity 23 inside the lower fixed housing 2, the connecting rod 41 in the first limiting groove 21 and the second limiting groove 22 at the middle of the upper fixed housing 2 is connected through a hole, the outer end of the connecting rod 41 is connected with the electric control mechanism, when the electric control mechanism drives the connecting rod to move up and down, the limiting block 412 at the middle of the connecting rod 41 provides a limiting function for the connecting rod 41, so as to prevent the connecting rod 41 from moving excessively downwards, and the short spring 411 at the bottom of the limiting block 412 plays a further buffering role for the connecting rod 41, which is the same as the buffer spring 423 at the bottom, after being compressed, when the electric control device no longer applies a downward force to the connecting rod 41 and the sealing member 4 tend to move upwards under the action of the short spring 411 and the buffer spring 423, and will seal the inseparable laminating of piece 42 in the space in the middle part of connecting pipe shell 3 under electrical control equipment's drive, the deformation 43 in the middle part of sealed piece 42 extrudees to the outside all the time, the inside spring beam 432 of deformation 431 extrudes the deformation 431 in the outside all the time, and thus when deformation 431 and the contact of connecting pipe shell 3 middle part space, deformation 431 inwards compresses, drive spring beam 432 to slide inside in the sleeve of its outside, realize that the deformation 431 in the outside can be inseparable connection in connecting pipe shell 3 middle part space all the time, thereby realize the function of opening and close of valve.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides an electrically operated valve opens and close buffer which characterized in that: comprises a fixed shell (2) and a connecting pipe shell (3); the connecting pipe shell (3) is fixedly connected between the upper fixed shell (2) and the lower fixed shell (2); a sealing element (4) is arranged inside the connecting pipe shell (3); the top of the fixed shell (2) is provided with a first limiting groove (21); a connecting rod (41) is arranged in the middle of the upper end of the fixed shell (2) in a through hole; the lower end of the fixed shell (2) is provided with a second limiting groove (22); the lower end of the fixed shell (2) is provided with a cavity (23).

2. The electric valve opening and closing buffer device as claimed in claim 1, wherein: the sealing element (4) comprises a sealing block (42) and a limiting plate (421); the bottom surface of the lower end of the sealing block (42) is fixedly connected to the surface of the limiting plate (421); the top of the sealing block (42) is fixedly connected with a fixing rod (425).

3. The electric valve opening and closing buffer device as claimed in claim 2, wherein: the top of the fixing rod (425) is connected to the inside of the second limiting groove (22) in a sliding mode; the lower end of the connecting rod (41) is fixedly connected to the fixing rod (425).

4. The electric valve opening and closing buffer device as claimed in claim 2, wherein: the outer side of the limiting plate (421) is symmetrically perforated and connected with a limiting rod (422); the other end of the limiting rod (422) is fixedly connected to the wall surface of the fixed shell (2); the middle of the bottom surface of the limiting plate (421) is fixedly connected with a buffer spring (423) and a straight rod (424); the buffer spring (423) is arranged on the outer side of the straight rod (424); the bottom end of the straight rod (424) is connected to the inside of the cavity (23) in a sliding mode.

5. The electric valve opening and closing buffer device as claimed in claim 1, wherein: the middle part of the upper end of the connecting rod (41) is provided with a limiting block (412); the lower end of the limiting block (412) is fixedly connected with a short spring (411); the short spring (411) is sleeved on the outer side of the connecting rod (41).

6. The electric valve opening and closing buffer device as claimed in claim 2, wherein: the middle part of the sealing block (42) is provided with a deformation piece (43); the deformation piece (43) consists of a deformation block (431) and a spring rod (432); the front end of the spring rod (432) abuts against the inner wall of the deformation block (431).