CN221482835U

CN221482835U - Top-opening valve component

Info

Publication number: CN221482835U
Application number: CN202322928062.6U
Authority: CN
Inventors: 林永许; 邵建华; 陈钢; 陈玮
Original assignee: Wenzhou Lianbang Petrifaction Machinery Co ltd
Current assignee: Wenzhou Lianbang Petrifaction Machinery Co ltd
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-08-06
Anticipated expiration: 2033-10-30

Abstract

The application discloses a jacking valve component, which comprises a housing, wherein a knob is preferably arranged above the housing, a screw rod is arranged below the knob, a second housing is arranged on the screw rod, a first housing is arranged below the second housing, springs are arranged in the first housing and the second housing, a piston is arranged below the springs, the first housing is internally provided with a piston, the piston moves up and down in the first housing, the lower part of the piston is connected with the upper end of a push rod in an attaching way, the screw rod is driven to rotate by rotation of the knob, the second housing is driven to move up and down in the first housing by rotation of the screw rod, the spring can be compressed or extended by the upward and downward movement of the second housing, and the force of the spring acting on the piston is further adjusted, so that the effect of freely adjusting the preset jacking valve pressure is achieved.

Description

Top-opening valve component

Technical Field

The application relates to the technical field of a push-open valve, in particular to a push-open valve component.

Background

The top-open valve is a device capable of adjusting the air pressure in the compressor to keep stable, and the main functions of the unloading valve are as follows: firstly, the valve plate is not opened in the starting process of the compressor, so that the idle load is started under the condition that the compressor does not intake air, the starting current is reduced, and the compressor and the motor are protected to reliably run; when the air consumption is reduced, the opening amount of the valve plate is correspondingly reduced, so that the volume flow of the compressor is balanced with the actual air consumption, the air supply pressure is avoided being too high, the electricity consumption can be saved, and the times of stopping and starting the compressor can be reduced.

Through retrieval, the prior Chinese patent publication number is CN202121322698.0, the utility model relates to a dehumidifying device for a distribution box, which comprises a valve cover, wherein a first bolt penetrates through the valve cover to press the valve cover on the left end surface of a valve body; a spring is pressed between the valve cover and the cylinder bottom of the piston; the valve cover is provided with an air leakage recovery port which is communicated with the inner cavity at the left side of the piston through a channel, the flange at the right side of the valve body is provided with an instrument air inlet which is communicated with the inner cavity at the right side of the piston through a channel; the right side surface of the piston is provided with a top groove, one end of a first ejector rod passes through the valve body to be abutted in the top groove, the other end of the first ejector rod is inserted in a guide sleeve, and the guide sleeve is arranged on the right side surface of the valve body through a second bolt; one end of the second ejector rod passes through the guide sleeve to be abutted with the other end of the first ejector rod, and the other end of the second ejector rod is abutted with the air valve ejector rod, so that the structure is simple, and the installation and the use are convenient.

Although the above-mentioned patent has realized the effect of conveniently carrying out the combination installation to the valve body, the relevant structure of the spring in the valve of above-mentioned top-open is fixed, can't adjust, has the problem that can't adjust the valve pressure preset of top-open.

Disclosure of utility model

The application aims to provide a top-opening valve component, which solves the problem that the top-opening valve in the prior art cannot adjust the pressure preset value of the top-opening valve.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a top-open valve part, includes the housing, preferably, the housing top is equipped with the knob, the knob below is equipped with the lead screw, be equipped with the casing two on the lead screw, casing two below is equipped with casing one, be equipped with the spring in casing one and the casing two, the spring below is equipped with the piston.

By adopting the technical scheme, the force of the spring acting on the piston can be adjusted, so that the pressure pre-value of the top opening valve can be adjusted.

Preferably, the upper cover shell and the lower cover shell are connected through bolts, the lower part is fixedly connected with the first cover shell in the middle of the lower cover shell, the first cover shell is connected with the second cover shell in a jogged mode, the second cover shell moves up and down on the first cover shell, the screw rod is connected with the middle of the second cover shell in a threaded mode, the second cover shell moves up and down on the screw rod, the upper end of the screw rod is clamped with the upper cover shell, the screw rod rotates on the cover shell, and the upper end of the screw rod penetrates through the cover shell connecting knob.

By adopting the technical scheme, the screw rod can rotate to drive the second shell to move up and down on the first shell.

Preferably, the right connecting pipe joint II is arranged on the upper surface of the housing.

By adopting the technical scheme, leaked gas can be recovered through the second pipe joint.

Preferably, a piston is arranged in the first shell, the piston moves up and down in the first shell, the lower surface of the piston is connected with the upper end of the ejector rod in an attached mode, the upper surface of the piston is connected with the lower end of the spring, and the upper end of the spring is connected with the inner top of the second shell.

By adopting the technical scheme, the spring can provide a downward force for the piston.

Preferably, the right side of the shell is connected with the first joint, the pipe joint is communicated with the space below the piston, and the lower end of the shell is connected with the stuffing box through threads.

By adopting the technical scheme, the stuffing box and the first shell can be conveniently separated or connected in a threaded manner.

Preferably, the upper end of the stuffing box is embedded and connected with a compression screw plug, the compression screw plug is clamped and connected with an ejector rod, and the compression screw plug is in threaded connection with a locking nut.

By adopting the technical scheme, the ejector rod can be limited and fixed.

Preferably, the lower edge of the inner wall of the compression screw plug is connected with a guide ring, the middle of the guide ring is clamped and connected with a push rod, and the lower edge of the guide ring is connected with a compression ring.

By adopting the technical scheme, the guide ring can be limited and fixed by the compression screw plug and the compression ring.

In summary, the present application includes at least one of the following advantages;

1. The knob rotates to drive the screw rod to rotate, the screw rod rotates to drive the second shell to move up and down on the first shell, the second shell can compress or extend the spring through up and down movement, and further the force of the spring acting on the piston is adjusted, so that the effect of freely adjusting the pressure preset value of the top-open valve is achieved.

2. The packing box can be separated from the shell body by rotating the packing box or in threaded connection, so that other components such as the compression screw plug, the locking nut and the guide ring are disassembled or assembled, and the effect of conveniently disassembling or assembling the top opening valve is achieved.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is an enlarged schematic view of a second embodiment of the housing of the present utility model;

Fig. 3 is an enlarged schematic view of the structure of the compression screw plug of the present utility model.

In the figure: 1. a housing; 2. a first shell; 3. a second shell; 4. a screw rod; 5. a knob; 6. a spring; 7. a piston; 8. a stuffing box; 9. compressing the screw plug; 10. a lock nut; 11. a guide ring; 12. a push rod; 13. a clamp ring; 14. a first pipe joint; 15. and a second pipe joint.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Embodiments of the present application are described in further detail below with reference to FIGS. 1-3;

Referring to fig. 1, 2 and 3, an embodiment of the present application provides: a top-open valve component comprises a knob 5 arranged above a housing 1, the housing 1 can be used for carrying out combined connection on other components, a screw rod 4 is arranged below the knob 5, the screw rod 4 is driven by rotation of the knob 5 to rotate on the housing 1, a housing two 3 is arranged on the screw rod 4, a housing one 2 is arranged below the housing two 3, springs 6 are arranged in the housing one 2 and the housing two 3, the housing two 3 can move up and down on the housing one 2 to compress or extend the springs 6, a piston 7 is arranged below the springs 6 and can adjust the pressure preset value in the top-open valve, the upper housing 1 and the lower housing 1 are connected through bolts, the housing 1 can be separated or combined connected through rotation bolts, the housing one 2 is fixedly connected in the middle of the lower housing 1, the upper surface of the housing one 2 is embedded and connected with the housing two 3, the housing two 3 moves up and down on the housing one 2, the middle of the upper surface of the second shell 3 is connected with a screw rod 4 in a threaded manner, the second shell 3 moves up and down on the screw rod 4, the screw rod 4 rotates to drive the second shell 3 to move up and down, the upper end of the screw rod 4 is clamped and connected with the housing 1 above, the screw rod 4 rotates on the housing 1, the upper end of the screw rod 4 passes through the housing 1 to be connected with a knob 5, the screw rod 4 can be driven to rotate on the housing 1 by the rotating knob 5, the right connecting pipe joint 15 above the housing 1 is recovered through the pipe joint II, a piston 7 is arranged in the first shell 2, the piston 7 moves up and down in the first shell 2, the upper end of the piston 7 is connected with the lower end of a spring 6, the spring 6 can provide a downward force for the piston 7, the upper end of the spring 6 is connected with the inner top of the second shell 3, the right connecting pipe joint 14 of the first shell 2 is communicated with the space below the piston 7, the lower surface of the piston 7 is jointed with the upper end of a push rod 12, the piston 7 can block or open the ejector pin 12, casing one 2 lower extreme threaded connection packing box 8, rotate packing box 8 and can lift off packing box 8 or threaded connection, packing box 8 upper end gomphosis is connected to gland nut 9, gland nut 9 block is connected ejector pin 12, and gland nut 9 can carry out spacing fixed to ejector pin 12, gland nut 9 threaded connection lock nut 10, gland nut 9 inner wall lower limb is connected guide ring 11, guide ring 11 intermediate block is connected ejector pin 12, guide ring 11 is connected below clamp ring 13.

Working principle: when no air pressure enters the space below the piston 7 through the first pipe joint 14, the spring 6 pushes the piston 7 to move downwards in the first shell 2 to press the ejector rod 12, when the air pressure enters the space below the piston 7 through the first pipe joint 14, the piston 7 moves upwards in the first shell 2 to enable the ejector rod 12 not to be pressed any more when the air pressure in the space below the piston 7 is larger than the force of the spring 6 on the piston 7, pressure relief is achieved, the knob 5 rotates to drive the screw rod 4 to rotate, the screw rod 4 rotates to drive the second shell 3 to move up and down in the first shell 2, the second shell 3 moves up and down to compress or extend the spring 6, and then the force of the spring 6 on the piston 7 is adjusted, so that the effect of freely adjusting the pressure pre-set value of the ejector valve is achieved.

It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A top opening valve member comprising a housing (1), characterized in that: the novel electric motor is characterized in that a knob (5) is arranged above the housing (1), a screw rod (4) is arranged below the knob (5), a second housing (3) is arranged on the screw rod (4), a first housing (2) is arranged below the second housing (3), springs (6) are arranged in the first housing (2) and the second housing (3), and pistons (7) are arranged below the springs (6).

2. A push-open valve component according to claim 1, wherein: the upper part and the lower part of the housing (1) are connected through bolts, the lower part of the housing (1) is fixedly connected with the first housing (2), the first housing (2) is embedded and connected with the second housing (3), the second housing (3) moves up and down on the first housing (2), the screw rod (4) is connected with the upper part of the second housing (3) through middle threads, the second housing (3) moves up and down on the screw rod (4), the upper end of the screw rod (4) is clamped and connected with the housing (1) above, the screw rod (4) rotates on the housing (1), and the upper end of the screw rod (4) penetrates through the housing (1) to be connected with the knob (5).

3. A push-open valve component according to claim 1, wherein: and a second connecting pipe joint (15) is connected to the right side on the upper surface of the housing (1).

4. A push-open valve component according to claim 1, wherein: the novel hydraulic piston is characterized in that a piston (7) is arranged in the first shell (2), the piston (7) moves up and down in the first shell (2), the upper end of a push rod (12) is connected below the piston (7) in a fit mode, the lower end of a spring (6) is connected above the piston (7), and the upper end of the spring (6) is connected with the inner top of the second shell (3).

5. A push-open valve component according to claim 4, wherein: the right of the first shell (2) is connected with the first joint (14), the first joint (14) is communicated with the space below the piston (7), and the lower end of the first shell (2) is connected with the stuffing box (8) through threads.

6. A push-open valve component as claimed in claim 5, wherein: the upper end of the stuffing box (8) is embedded and connected with a compression screw plug (9), the compression screw plug (9) is clamped and connected with a push rod (12), and the compression screw plug (9) is in threaded connection with a locking nut (10).

7. A push-open valve component according to claim 6, wherein: the lower edge of the inner wall of the compression screw plug (9) is connected with a guide ring (11), the middle of the guide ring (11) is clamped and connected with a push rod (12), and the lower edge of the guide ring (11) is connected with a compression ring (13).