CN218582253U

CN218582253U - Valve sealing structure

Info

Publication number: CN218582253U
Application number: CN202222997193.5U
Authority: CN
Inventors: 胡林虎
Original assignee: Chengdu Technological University CDTU
Current assignee: Chengdu Technological University CDTU
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-07
Anticipated expiration: 2032-11-11

Abstract

The utility model relates to a valve seal structure, including the valve body, by subassembly and auxiliary assembly, there is the valve gap at the top of valve body through bolt fixed mounting, the inside one side that is close to the valve gap of valve body is provided with second through groove, the inside one side of keeping away from the valve gap of valve body is provided with first logical groove, be provided with the connector between first logical groove and the second through groove. The beneficial effects of the utility model reside in that, when using the valve body, it drives first sliding sleeve downstream to rotate first threaded rod, make the sealing plug of first sliding sleeve bottom support the connector between first logical groove and the second logical groove completely, through the auxiliary assembly who sets up, the fixture block slides in the draw-in groove is inside, it is inconsistent with one side that the transmission groove is close to the connector, the sealing plug is under the condition of inside and outside atress, make the sealing plug stop up the connector completely, reduce simultaneously and cause limit compression to the sealing plug, the life of extension sealing plug, need not frequently to change the sealing plug.

Description

Valve sealing structure

Technical Field

The utility model relates to the technical field of valves, especially, relate to a valve seal structure.

Background

A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate of a medium in a pipe or a device by flowing or stopping the medium. In the using process, the valve is opened and closed, the sealing plug is continuously driven to move up and down, so the number of times that the rubber sealing plug is compressed is large, if the rubber sealing plug is compressed to the limit, the elasticity of the rubber sealing plug is exhausted, the sealing effect is lost finally, and the rubber sealing plug needs to be frequently replaced. Accordingly, those skilled in the art have provided a valve sealing structure to solve the problems set forth in the background art described above

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, the present invention is directed to a valve sealing structure.

The technical scheme of the utility model is like this: a valve sealing structure comprises a valve body, a stop assembly and an auxiliary assembly, wherein a valve cover is fixedly mounted at the top of the valve body through a bolt, a second through groove is formed in one side, close to the valve cover, of the interior of the valve body, a first through groove is formed in one side, far away from the valve cover, of the interior of the valve body, a connecting port is formed between the first through groove and the second through groove, the valve cover is connected with a sealing plug through the stop assembly, and the sealing plug extends into the connecting port;

the stop assembly comprises a fixed sleeve, the fixed sleeve is fixedly arranged in the valve cover, a first sliding sleeve is connected in the fixed sleeve in a sliding manner, a first threaded rod is connected to the top of the fixed sleeve in a threaded manner, one end, close to the fixed sleeve, of the first threaded rod extends into the first sliding sleeve and is in threaded connection with the first sliding sleeve, a sealing plug is fixedly arranged at the bottom of the first sliding sleeve, and an auxiliary assembly is arranged between the sealing plug and the first threaded rod;

the auxiliary assembly comprises a sliding groove, a sliding groove is formed in one side, close to the sealing plug, of the inner portion of the first threaded rod, a transmission groove is formed in one side, close to the first sliding sleeve, of the inner portion of the sealing plug, clamping grooves are formed in two sides, located on two sides of the transmission groove, of the sealing plug, clamping blocks slide in the clamping grooves, and sliding blocks are fixedly mounted at one ends, close to the clamping blocks, of the sliding blocks.

As a preferred embodiment, the auxiliary assembly further includes a connecting rod, one side of each of the two sliding blocks close to each other is rotatably connected with the connecting rod, one side of the transmission groove close to the first sliding sleeve is slidably connected with a moving block, one side of the moving block close to the first sliding sleeve is symmetrically and fixedly provided with a spring, one end of the spring, far away from the moving block, is fixedly connected with the inner wall of the transmission groove, and one end of the connecting rod, far away from the sliding blocks, is rotatably connected with the moving block.

As a preferred embodiment, the first threaded rod is connected with a second threaded rod through internal threads, the sliding groove is connected with a second sliding sleeve in a sliding manner, one end, close to the sliding groove, of the second threaded rod extends into the second sliding sleeve and is connected with the second sliding sleeve through threads, the second threaded rod is rotated to drive the second sliding sleeve to move downwards, and then the moving block is pushed to slide downwards.

As a preferred embodiment, the bottom of the first threaded rod is fixedly provided with a limiting ring inside the first sliding sleeve, the first sliding sleeve is in threaded connection with the limiting ring, and the top of the first threaded rod is fixedly provided with a handle.

In a preferred embodiment, the second sliding sleeve is slidably connected with the inner part of the limiting ring.

As a preferred embodiment, a section of a connection port between the first through grooves is a T-shaped structure, the sealing plug abuts against the connection port, and the sealing plug is made of an elastic rubber material.

In a preferred embodiment, both sides of the valve body are provided with flange joints.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model discloses in, when using the valve body, it drives first sliding sleeve downstream to rotate first threaded rod, make the sealing plug of first sliding sleeve bottom support the connector between first logical groove and the second through-groove completely, through the auxiliary assembly who sets up, the fixture block slides in the draw-in groove is inside, it is inconsistent with one side that the transmission groove is close to the connector, the sealing plug is under the condition of inside and outside atress, make the sealing plug stop up the connector completely, reduce simultaneously and cause limit compression to the sealing plug, the life of extension sealing plug, need not frequent change sealing plug, very big improvement operation quality and availability factor than traditional device.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

fig. 5 is an enlarged view at B in fig. 3.

Illustration of the drawings: 1. a valve body; 2. a valve cover; 3. a flange interface; 4. a shut-off assembly; 41. fixing a sleeve; 42. a first threaded rod; 43. a first sliding sleeve; 44. a handle; 5. an auxiliary component; 51. a chute; 52. a second sliding sleeve; 53. a second threaded rod; 54. a transmission groove; 55. a card slot; 56. a clamping block; 57. a slider; 58. a connecting rod; 59. a moving block; 510. a spring; 6. a sealing plug; 7. a first through groove; 8. a second through slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The invention will be further described with reference to the accompanying drawings and specific embodiments

Example 1

As shown in fig. 1-5, the utility model provides a technical solution: a valve sealing structure comprises a valve body 1, a stop component 4 and an auxiliary component 5, wherein a valve cover 2 is fixedly mounted at the top of the valve body 1 through bolts, a second through groove 8 is formed in one side, close to the valve cover 2, of the interior of the valve body 1, a first through groove 7 is formed in one side, far away from the valve cover 2, of the interior of the valve body 1, a connecting port is formed between the first through groove 7 and the second through groove 8, the valve cover 2 is connected with a sealing plug 6 through the stop component 4, and the sealing plug 6 extends into the connecting port;

the stop assembly 4 comprises a fixed sleeve 41, the fixed sleeve 41 is fixedly mounted in the valve cover 2, a first sliding sleeve 43 is slidably connected in the fixed sleeve 41, a first threaded rod 42 is in threaded connection with the top of the fixed sleeve 41, one end, close to the fixed sleeve 41, of the first threaded rod 42 extends into the first sliding sleeve 43 and is in threaded connection with the first sliding sleeve 43, a sealing plug 6 is fixedly mounted at the bottom of the first sliding sleeve 43, and an auxiliary assembly 5 is arranged between the sealing plug 6 and the first threaded rod 42;

the auxiliary assembly 5 comprises a sliding groove 51, the sliding groove 51 is formed in one side, close to the sealing plug 6, of the first threaded rod 42, a transmission groove 54 is formed in one side, close to the first sliding sleeve 43, of the sealing plug 6, a clamping groove 55 is formed in the two sides, located in the transmission groove 54, of the sealing plug 6, a clamping block 56 slides in the clamping groove 55, and a sliding block 57 is fixedly mounted at one end, close to the two clamping blocks 56, of the two clamping blocks.

In this embodiment, when using valve body 1, rotate first threaded rod 42 and drive first sliding sleeve 43 and remove downwards, make sealing plug 6 of first sliding sleeve 43 bottom support the connector between first logical groove 7 and the second logical groove 8 completely, through the auxiliary component 5 that sets up, fixture block 56 slides in draw-in groove 55 is inside, it is inconsistent with one side that transmission groove 54 is close to the connector, under the condition of sealing plug 6 outside-in atress, make sealing plug 6 stop up the connector completely, reduce simultaneously and cause the limit compression to sealing plug 6, prolong the life of sealing plug 6, need not frequently to change sealing plug 6.

Example 2

As shown in fig. 1-5, the auxiliary assembly 5 further includes a connecting rod 58, the connecting rod 58 is rotatably connected to both sides of the two sliding blocks 57 close to each other, a moving block 59 is slidably connected to one side of the transmission groove 54 close to the first sliding sleeve 43, springs 510 are symmetrically and fixedly mounted on one side of the moving block 59 close to the first sliding sleeve 43, one end of each spring 510 far away from the moving block 59 is fixedly connected to the inner wall of the transmission groove 54, and one end of each connecting rod 58 far away from the sliding block 57 is rotatably connected to the moving block 59; first threaded rod 42 internal thread has second threaded rod 53, spout 51 internal sliding connection has second sliding sleeve 52, the one end that second threaded rod 53 is close to spout 51 extends to inside and with second sliding sleeve 52 threaded connection of second sliding sleeve 52, rotate second threaded rod 53 and drive second sliding sleeve 52 downstream, then promote movable block 59 downslide, promote slider 57 through connecting rod 58 and drive fixture block 56 and remove to the direction that is close to the connector, receive fixture block 56's conflict when making sealing plug 6 receive the connector to touch the power, prevent the limit compression to sealing plug 6, through the spring 510 that sets up, when second sliding sleeve 52 does not promote movable block 59 again, drive movable block 59 and reset, make fixture block 56 slide to the slider 57 direction.

Further, the bottom of first threaded rod 42 just is located the inside fixed mounting of first sliding sleeve 43 and has the spacing ring, first sliding sleeve 43 and spacing ring threaded connection, and the top fixed mounting of first threaded rod 42 has handle 44, is convenient for rotate first threaded rod 42 through the handle 44 that sets up.

Further, the second sliding bush 52 is slidably connected with the inner portion of the stop collar.

Furthermore, the tangent plane of a connecting port between the first through grooves 7 is of a T-shaped structure, the sealing plug 6 is abutted to the connecting port, so that the closure effect is better, and the sealing plug 6 is made of elastic rubber materials.

Further, both sides of the valve body 1 are provided with flange interfaces 3.

In this embodiment, the second threaded rod 53 is rotated to drive the second sliding sleeve 52 to move downward until the moving block 59 is pushed to slide downward, and the connecting rod 58 pushes the sliding block 57 to drive the fixture block 56 to move toward the direction close to the connection port, so that the sealing plug 6 is abutted by the fixture block 56 while being abutted by the connection port, and the sealing plug 6 is prevented from being compressed to the limit.

The working principle is as follows:

as shown in fig. 1-5, when the valve body 1 is used, the first threaded rod 42 is rotated to drive the first sliding sleeve 43 to move downwards, so that the sealing plug 6 at the bottom of the first sliding sleeve 43 completely supports the connection port between the first through groove 7 and the second through groove 8, the second threaded rod 53 is rotated to drive the second sliding sleeve 52 to move downwards, until the moving block 59 is pushed to slide downwards, the connecting rod 58 pushes the sliding block 57 to drive the clamping block 56 to move towards the direction close to the connection port, so that the sealing plug 6 is supported by the clamping block 56 while being supported by the connection port contact force, under the condition of internal and external stress of the sealing plug 6, so that the connection port is completely blocked by the sealing plug 6, limit compression to the sealing plug 6 is reduced, the service life of the sealing plug 6 is prolonged, frequent replacement of the sealing plug 6 is not needed, and the operation quality and use efficiency are greatly improved compared with the conventional device.

Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. A valve seal structure, includes valve body (1), ends subassembly (4) and auxiliary assembly (5), its characterized in that: the valve cover (2) is fixedly mounted at the top of the valve body (1) through a bolt, a second through groove (8) is formed in one side, close to the valve cover (2), of the interior of the valve body (1), a first through groove (7) is formed in one side, far away from the valve cover (2), of the interior of the valve body (1), a connecting port is formed between the first through groove (7) and the second through groove (8), the valve cover (2) is connected with a sealing plug (6) through a stopping assembly (4), and the sealing plug (6) extends into the connecting port;

the stop assembly (4) comprises a fixed sleeve (41), the fixed sleeve (41) is fixedly installed inside the valve cover (2), a first sliding sleeve (43) is slidably connected inside the fixed sleeve (41), a first threaded rod (42) is in threaded connection with the top of the fixed sleeve (41), one end, close to the fixed sleeve (41), of the first threaded rod (42) extends into the first sliding sleeve (43) and is in threaded connection with the first sliding sleeve (43), a sealing plug (6) is fixedly installed at the bottom of the first sliding sleeve (43), and an auxiliary assembly (5) is arranged between the sealing plug (6) and the first threaded rod (42);

the auxiliary assembly (5) comprises a sliding groove (51), the sliding groove (51) is formed in one side, close to the sealing plug (6), of the inner portion of the first threaded rod (42), a transmission groove (54) is formed in one side, close to the first sliding sleeve (43), of the inner portion of the sealing plug (6), clamping grooves (55) are formed in two sides, located in the transmission groove (54), of the sealing plug (6), clamping blocks (56) slide in the clamping grooves (55), and two sliding blocks (57) are fixedly mounted at one ends, close to each other, of the clamping blocks (56).

2. A valve seal structure according to claim 1, wherein: the auxiliary assembly (5) further comprises a connecting rod (58), the connecting rod (58) is rotatably connected to one side, close to the first sliding sleeve (43), of each of the two sliding blocks (57), a moving block (59) is slidably connected to one side, close to the first sliding sleeve (43), of the inside of the transmission groove (54), springs (510) are symmetrically and fixedly mounted on one side, close to the first sliding sleeve (43), of the moving block (59), one end, far away from the moving block (59), of each spring (510) is fixedly connected with the inner wall of the transmission groove (54), and one end, far away from the sliding blocks (57), of the connecting rod (58) is rotatably connected with the moving block (59).

3. A valve seal structure according to claim 2, wherein: the inner thread of the first threaded rod (42) is connected with a second threaded rod (53), the sliding groove (51) is connected with a second sliding sleeve (52) in a sliding mode, one end, close to the sliding groove (51), of the second threaded rod (53) extends into the second sliding sleeve (52) and is connected with the second sliding sleeve (52) in a threaded mode, the second threaded rod (53) is rotated to drive the second sliding sleeve (52) to move downwards, and then the moving block (59) is pushed to slide downwards.

4. A valve seal structure according to claim 3, wherein: the bottom of first threaded rod (42) just is located the inside fixed mounting of first sliding sleeve (43) and has the spacing ring, first sliding sleeve (43) and spacing ring threaded connection, the top fixed mounting of first threaded rod (42) has handle (44).

5. A valve seal structure according to claim 4, wherein: the second sliding sleeve (52) is connected with the inner part of the limiting ring in a sliding manner.

6. A valve seal structure according to claim 1, wherein: the section of a connecting port between the first through grooves (7) is of a T-shaped structure, the sealing plug (6) is abutted to the connecting port, and the sealing plug (6) is made of elastic rubber materials.

7. A valve seal structure according to claim 1, wherein: and flange connectors (3) are arranged on two sides of the valve body (1).