CN218294611U

CN218294611U - Novel exhaust throttle valve

Info

Publication number: CN218294611U
Application number: CN202222390180.1U
Authority: CN
Inventors: 梁占国; 陈森乐; 闫更成; 徐晨晖
Original assignee: Wenzhou Hetai Automobile Transmission System Co ltd
Current assignee: Wenzhou Hetai Automobile Transmission System Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-13
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses a novel exhaust throttle valve, which comprises a valve body and an operating shaft, wherein valve seats for mounting the operating shaft are arranged on two sides of the valve body; an inner bushing sleeved outside the control shaft is further arranged in the valve seat; the control shaft penetrates through the inner bushing and then is connected with the adjusting mechanism, and the control shaft penetrates through the adjusting mechanism and is connected with the linkage rod. The linkage rod is connected with the operating shaft so as to fix the adjusting mechanism at one end of the operating shaft; the adjusting mechanism comprises a gasket, a spring and a sleeve; the gasket is attached to the outer end face of the inner bushing, one end of the spring is abutted to the outer end face of the gasket, and the other end of the spring is abutted to the inner end face of the sleeve. Based on the technical scheme, when the linkage rod drives the operating shaft to rotate, the inner spring of the adjusting mechanism always enables the inner bushing to be abutted to the valve seat so as to improve the sealing performance of the valve body, and meanwhile, the spring enables the valve clack to stably rotate when the valve clack is closed so as to prevent the valve clack from being clamped due to the fact that the valve clack deviates towards a single side.

Description

Novel exhaust throttle valve

Technical Field

The utility model relates to a choke valve technical field specifically is a novel exhaust choke valve.

Background

The prior art adopts the control shaft and the inner bushing for sealing, but when the valve clack is installed on the control shaft, the valve clack may be deviated due to the rotation of the control shaft, for example, the control shaft slides leftwards or rightwards along the valve seat, which may cause the side surface of the valve clack to excessively interfere with the valve body, resulting in the valve clack being clamped inside the valve body, and the valve body cannot work normally.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel exhaust choke valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel exhaust throttle valve comprises a valve body and an operating shaft, wherein valve seats for mounting the operating shaft are further arranged on two sides of the valve body; an inner bushing sleeved outside the control shaft is further arranged in the valve seat; the control shaft penetrates through the inner bushing and the adjusting mechanism and then is connected with the linkage rod; the adjusting mechanism is fixed at one end of the manipulating shaft through the fixation of the linkage rod and the manipulating shaft; the adjusting mechanism comprises a spring which is abutted against the inner bushing, and the other end of the spring is abutted against the linkage rod.

As the utility model discloses a preferred technical scheme: the adjusting mechanism further comprises a gasket, the gasket is attached to the outer end face of the inner lining, and the gasket is abutted to the inner lining through the spring.

As the utility model discloses an preferred technical scheme: the adjusting mechanism further comprises a sleeve, and one end, far away from the inner bushing, of the spring is abutted to the inner end face of the sleeve.

As the utility model discloses an preferred technical scheme: and a limiting rod used for limiting the rotation of the linkage rod is further arranged on the valve seat of one side of the valve body facing the linkage rod.

As the utility model discloses a preferred technical scheme: one side of the limiting rod facing the linkage rod is also provided with a supporting surface.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that: 1. the device promotes the inner bushing to always abut against the valve seat through a spring in the adjusting mechanism, so that the phenomenon of air leakage caused by the separation of the inner bushing and the valve seat is avoided; the valve body air-tightness effect can be improved by adding a spring;

2. because the spring gives the control shaft an outward pulling force when in work and the inner end surface of the inner bushing limits the control shaft to continuously move outward, the valve clack in the valve body can rotate at the original position, and the phenomenon that the valve clack is blocked is effectively avoided.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

fig. 2 is an exploded view of the main structure of the present invention.

In the figure: 1. a valve body; 2. a limiting rod; 3. a support surface; 4. a steering shaft; 5. an inner liner; 6. a gasket; 7. a spring; 8. a sleeve; 9. a linkage rod; 10. a valve seat; 11. an adjustment mechanism.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "upper surface", etc. indicate the orientation or positional relationship based on the orientation or positional relationship 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Referring to fig. 1-2, the present invention provides an embodiment: a novel exhaust throttle valve comprises a valve body 1 and an operating shaft 4, wherein valve seats 10 for mounting the operating shaft 4 are further arranged on two sides of the valve body 1; an inner bushing 5 sleeved outside the control shaft 4 is further arranged in the valve seat 10; the control shaft 4 passes through the inner bushing 5 and an adjusting mechanism 11 and then is connected with a linkage rod 9; and the adjusting mechanism 11 is fixed at one end of the operating shaft 4 through the fixation of the linkage rod 9 and the operating shaft 4; the adjusting mechanism 11 comprises a spring 7 which is abutted against the inner bushing 5, and the other end of the spring 7 is abutted against the linkage rod 9.

In conclusion, the inner bushing 5 is urged to be always abutted against the valve seat 10 by the spring 7 in the adjusting mechanism 11, so that the phenomenon of air leakage caused by the separation of the inner bushing 5 and the valve seat 10 is avoided; therefore, the air tightness effect of the valve body 1 can be improved by adding the spring 7; meanwhile, the spring 7 provides an outward pulling force for the control shaft 4 when in work, and the inner end surface of the inner bushing 5 limits the control shaft 4 to continuously move outwards, so that the valve clack inside the valve body 1 can rotate at the original position, and the phenomenon that the valve clack is clamped is effectively avoided.

On the basis of the above scheme, the adjusting mechanism 11 further includes a gasket 6, and the gasket 6 is attached to the outer end surface of the inner bushing 5, and the gasket 6 is abutted against the inner bushing 5 through the spring 7. Because the gasket 6 is abutted against the end face of the inner bushing 5, the elastic force of the spring 7 can be uniformly transmitted to the end face of the inner bushing 5, and further the airtight effect of the valve body 1 is further improved, especially, when the linkage rod 9 rotates, the spring 7 can not immediately drive the gasket 6 to rotate even if the spring 7 rotates, so that the phenomenon that the leakage occurs due to uneven stress of the inner bushing 5 caused by the rotation of the spring 7 is avoided while the gasket 6 is tightly attached to the inner bushing 5.

Furthermore, because the adjusting mechanism 11 further comprises a sleeve 8, one end of the spring 7, which is far away from the inner bushing 5, is abutted against the inner end surface of the sleeve 8, so that when the linkage rod 9 rotates, the spring 7 and the linkage rod are prevented from rotating synchronously, the elastic force of the spring 7 can be stably transmitted to the gasket 6, and the sleeve 8 is sleeved outside the spring 7 and can guide the extension and retraction of the spring 7, in particular, after the linkage rod 9 is fixed with the control shaft 4, the sleeve 8 is utilized to apply pressure to the spring 7, so that the spring 7 can be utilized to prevent the vibration of the valve body 1 or the linkage rod 9 from being transmitted to the control shaft 4 to influence the normal rotation of the control shaft 4, and in addition, the spring 7 can buffer the vibration when being compressed, and the problem that the spring 7 vibrates per se under a free state can be effectively avoided.

Because the valve seat 10 of the valve body 1 facing to one side of the linkage rod 9 is also provided with the limiting rod 2 for limiting the rotation of the linkage rod 9, the rotation range of the linkage rod 9 can be limited, and the reliable and stable opening and closing of the valve clack are ensured.

Furthermore, as the supporting surface 3 is further arranged on one surface, facing the linkage rod 9, of the limiting rod 2, the linkage rod 9 is convenient to attach to the supporting surface 3, and the linkage rod 9 is stably located on the supporting surface 3 after stopping rotating.

In summary, when the linkage rod 9 drives the operating shaft 4 to rotate, the inner spring 7 of the adjusting mechanism 11 always urges the inner bushing 5 to contact with the valve seat 10 to improve the sealing performance of the valve body 1, and simultaneously the spring 7 urges the valve flap to rotate smoothly when the valve flap is closed to prevent the valve flap from being jammed due to the unilateral deviation of the valve flap.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A novel exhaust throttle valve is characterized in that: the valve comprises a valve body (1) and an operating shaft (4), wherein valve seats (10) for mounting the operating shaft (4) are arranged on two sides of the valve body (1);

an inner bushing (5) sleeved outside the control shaft (4) is further arranged in the valve seat (10); the control shaft (4) penetrates through the inner bushing (5) and the adjusting mechanism (11) and then is connected with the linkage rod (9);

the adjusting mechanism (11) is fixed at one end of the control shaft (4) through the fixation of the linkage rod (9) and the control shaft (4);

the adjusting mechanism (11) comprises a spring (7) which is abutted against the inner bushing (5), and the other end of the spring (7) is abutted against the linkage rod (9).

2. The novel exhaust throttle valve according to claim 1, characterized in that: the adjusting mechanism (11) further comprises a gasket (6), the gasket (6) is attached to the outer end face of the inner bushing (5), and the gasket (6) abuts against the inner bushing (5) through the spring (7).

3. A novel exhaust throttle valve according to claim 1 or 2, characterized in that: the adjusting mechanism (11) further comprises a sleeve (8), and one end, far away from the inner bushing (5), of the spring (7) is abutted to the inner end face of the sleeve (8).

4. A novel exhaust throttle valve according to claim 3, characterized in that: and a limiting rod (2) used for limiting the rotation of the linkage rod (9) is further arranged on a valve seat (10) of the valve body (1) facing one side of the linkage rod (9).

5. The novel exhaust throttle valve according to claim 4, characterized in that: one side of the limiting rod (2) facing the linkage rod (9) is also provided with a supporting surface (3).