CN218971836U

CN218971836U - Throttle valve

Info

Publication number: CN218971836U
Application number: CN202223469636.XU
Authority: CN
Inventors: 张建
Original assignee: Zhejiang Yide Fluid Technology Co ltd
Current assignee: Zhejiang Yide Fluid Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-05
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a throttle valve, which belongs to the technical field of throttle valves and comprises a valve seat and a body assembled in the valve seat, wherein a throttle column is inserted in the body, a threaded support is assembled at the upper part of the throttle column and is abutted against the body, an adjusting needle valve is arranged at the top of the throttle column, a screwing head is assembled at the outer side of the adjusting needle valve, an air inlet channel is arranged on one side of the valve seat, a double-lip ring is arranged in the air inlet channel, a bushing and a clamping spring sleeve are arranged on one side of the double-lip ring, the side of the double-lip ring facing the air inlet channel is of a circular structure, a clamping spring is arranged between the bushing and the clamping spring sleeve, and a sealing ring is arranged at the abutting part of the lower end of the body and the valve seat.

Description

Throttle valve

Technical Field

The utility model belongs to the technical field of throttle valves, and particularly relates to a throttle valve.

Background

A throttle valve is a valve that controls the flow of a fluid by changing the throttle cross section or throttle length. The throttle valve and the one-way valve are connected in parallel to form the one-way throttle valve.

Because the air pipe of the existing throttle valve is easy to damage when rotating in the air inlet channel, the normal use of the throttle valve is affected by air leakage, and the existing throttle valve has certain defects in sealing effect. It is therefore necessary to relate to a throttle valve.

Disclosure of Invention

Aiming at the problems, the utility model provides the throttle valve, which effectively reduces the damage to the air pipe, ensures the normal use of the throttle valve and has better sealing effect.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a throttle valve, includes the disk seat and assembles the body in the disk seat, the body interpolation is equipped with the throttle post, and this throttle post upper portion is equipped with the screw thread support, and this screw thread support butt body, the throttle post top is provided with the regulation needle valve, and this regulation needle valve outside is equipped with the screw head, disk seat one side is provided with the inlet channel, is provided with the double-lip circle in this inlet channel, and double-lip circle one side is provided with bush and clamping spring cover, the double-lip circle is circular structure towards inlet channel this side, be provided with the jump ring between bush and the jump ring cover, body and disk seat lower extreme butt department are provided with the sealing washer, and this sealing washer is bilayer structure.

Preferably, the body is a stamped part.

Preferably, a disengaging ring is arranged on the outer side of the valve seat, and the disengaging ring is inserted into the air inlet channel to be abutted against the clamping spring.

Preferably, the outer side of the body is further provided with a one-way ring, and a protruding part of the one-way ring is abutted against the inner wall of the valve seat.

Preferably, a sealing ring is arranged at the joint of the throttling column and the body.

Preferably, a sealing ring is arranged at the joint of the body and the upper end of the valve seat.

Preferably, a sealing ring is arranged at the lower end of the body.

Preferably, the sealing ring has a single-layer structure.

Advantageous effects

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

the double-lip ring is arranged to be of a circular structure towards the side of the air inlet channel, damage to an air pipe is effectively avoided during rotation, normal use of the throttle valve is guaranteed, and meanwhile, a double-layer sealing ring is arranged at the joint of the body and the valve seat, so that the sealing effect is effectively improved.

Drawings

Fig. 1 is an overall cross-sectional view of a throttle valve.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. screwing the head; 2. adjusting a needle valve; 3. a lock nut; 4. a threaded bracket; 5. a body; 6. a seal ring; 7. a one-way ring; 8. a clip; 9. a double lip ring; 10. a bushing; 11. a release ring; 12. a valve seat; 13. clamping springs; 14. a clamping spring sleeve.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are 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.

As shown in fig. 1, the structure diagram of a throttle valve according to a preferred embodiment of the present utility model includes a valve seat 12 and a body 5 assembled in the valve seat 12, a throttle post is inserted into the body 5, a threaded support 4 is assembled at the upper portion of the throttle post, the threaded support 4 abuts against the body 5, an adjusting needle valve 2 is disposed at the top of the throttle post, a screwing head 1 is assembled at the outer side of the adjusting needle valve 2, an air inlet channel is disposed at one side of the valve seat 12, a double-lip ring 9 is disposed in the air inlet channel, a bushing 10 and a clamping spring sleeve 14 are disposed at one side of the double-lip ring 9, a circular structure is disposed at the side of the double-lip ring 9 facing the air inlet channel, a clamping spring 13 is disposed between the bushing 10 and the clamping spring sleeve 14, a sealing ring 6 is disposed at the abutting position of the lower end of the body 5 and the valve seat 12, the sealing ring 6 is of a double-layer structure, damage to an air pipe is effectively avoided during rotation, normal use of the throttle valve is ensured, and simultaneously, a double-layer sealing ring 6 is effectively lifted at the joint position of the body 5 and the valve seat 12.

In this embodiment, the body 5 is formed by stamping, so as to enhance the hardness of the body 5 and prolong the service life.

In this embodiment, the outside of disk seat 12 is provided with and breaks away from ring 11, and this breaks away from ring 11 inserts to the passageway butt in jump ring 13 that admits air, drives jump ring 13 and takes place deformation when breaking away from ring 11 presses, makes things convenient for the trachea to insert.

In this embodiment, the body 5 outside still is provided with the one-way circle 7, and the protruding part butt of this one-way circle 7 is in disk seat 12 inner wall, and body 5 is fixed in disk seat 12 through the effect joint of one-way circle 7, avoids body 5 to deviate from, strengthens stability.

In this embodiment, the sealing washer 6 is provided at the joint of the throttling column and the body 5, so as to enhance the sealing effect between the throttling column and the body 5.

In this embodiment, a sealing ring 6 is disposed at the contact position between the body 5 and the upper end of the valve seat 12, so as to enhance the sealing effect between the body 5 and the valve seat 12.

In this embodiment, a sealing ring 6 is disposed at the lower end of the body 5, and the sealing ring 6 seals the bottom of the body 5 when the fitting is assembled.

In this embodiment, the seal ring 6 has a single-layer structure, and forms a seal structure.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims

1. A throttle valve, which is used for a throttle valve,

the method is characterized in that:

including disk seat (12) and assemble body (5) in disk seat (12), the throttle post is equipped with in body (5) interpolation, and this throttle post upper portion is equipped with screw support (4), this screw support (4) butt body (5), throttle post top is provided with adjusts needle valve (2), and this adjusts needle valve (2) outside and is equipped with twists first (1), disk seat (12) one side is provided with inlet channel, is provided with double-lip ring (9) in this inlet channel, and double-lip ring (9) one side is provided with bush (10) and jump ring cover (14), double-lip ring (9) are circular structure towards inlet channel this side, be provided with jump ring (13) between bush (10) and the jump ring cover (14), body (5) are provided with sealing washer (6) with disk seat (12) lower extreme butt department, and this sealing washer (6) are bilayer structure.

2. The throttle valve according to claim 1, characterized in that: the body (5) is formed by stamping.

3. The throttle valve according to claim 1, characterized in that: the outside of the valve seat (12) is provided with a disengaging ring (11), and the disengaging ring (11) is inserted into the air inlet channel to be abutted against the clamp spring (13).

4. The throttle valve according to claim 1, characterized in that: the outer side of the body (5) is also provided with a one-way ring (7), and the protruding part of the one-way ring (7) is abutted against the inner wall of the valve seat (12).

5. The throttle valve according to claim 1, characterized in that: and a sealing ring (6) is arranged at the joint of the throttling column and the body (5).

6. The throttle valve according to claim 1, characterized in that: a sealing ring (6) is arranged at the joint of the body (5) and the upper end of the valve seat (12).

7. The throttle valve according to claim 1, characterized in that: the lower end of the body (5) is provided with a sealing ring (6).

8. A throttle valve according to claim 5 or 6 or 7, characterized in that: the sealing ring (6) is of a single-layer structure.