CN221097593U

CN221097593U - Valve spring

Info

Publication number: CN221097593U
Application number: CN202323142765.2U
Authority: CN
Inventors: 龚伟宏
Original assignee: Changzhou Kaiju Spring Technology Co ltd
Current assignee: Changzhou Kaiju Spring Technology Co ltd
Priority date: 2023-11-21
Filing date: 2023-11-21
Publication date: 2024-06-07
Anticipated expiration: 2033-11-21

Abstract

The present utility model provides a valve spring comprising: the mounting plate records that a plurality of groups of pressure relief holes are uniformly formed in the upper end of the outer surface of the pressure relief shell, automatic adjustment of the spring type pressure relief valve can be achieved, namely pressure can be stably controlled according to pressure change in a pipeline without manual intervention, the pressure relief holes are formed, abnormal pressure rise can be effectively reduced, when the pressure relief holes are blocked by the blocking blocks, gas or liquid can be better prevented from leaking out of the pressure relief holes, the blocking blocks are identical to the inner diameter of the pressure relief shell, the edges of the pressure relief holes can be better attached to the edges of the pressure relief holes, so that leakage can be better prevented, stability and tightness of the blocking valve in a closed state can be guaranteed, when the medium pressure exceeds a set value, the blocking blocks can be jacked up, so that the pressure relief holes are opened for pressure relief, and when the medium pressure is reduced below the set value, the blocking blocks can be pushed to be in situ by the reset spring, and the pressure relief holes are re-closed, so that safety and reliability of equipment in the use process can be ensured.

Description

Valve spring

Technical Field

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

Background

A large number of springs are utilized in vehicles or in general machines. Among springs used in vehicles and general machines, a valve spring has a function of adjusting opening and closing of a valve in the vehicle and general machine. Valve springs are used for controlling opening and closing of an intake and exhaust valve of an internal combustion engine (engine) of a vehicle, for example.

The application provides a pneumatic valve spring in the public number CN216045150U, and belongs to the technical field of valve springs. The pneumatic valve spring comprises a valve spring and a housing assembly, wherein the housing assembly comprises an upper housing and a lower housing. Through setting up casing and lower casing, one end cover of valve spring is on spacing subassembly in below, afterwards, one end cover of sealing bag is on lower casing, make sealing bag lower extreme opening cover on the go-between of below, then rotate below gland nut, make the sealing bag set up through lower go-between clamp, afterwards, insert the top of valve spring with spacing subassembly in the last casing, cover sealing bag upper end opening on the go-between, through rotatory top gland nut, realize through top go-between and top sealing ring, the clamp the sealing bag, can realize the equipment purpose, thereby through last casing, lower casing and sealing bag, realize the purpose of protecting valve spring, simultaneously after valve spring is impaired, be convenient for dismantle and change, but above-mentioned only play certain extension effect when the pressure is great to the device, unable to give vent to anger through suitable mode, thereby probably lead to the device internal pressure great and lead to the equipment damage, consequently, it is necessary to provide valve spring to solve above-mentioned problem.

Disclosure of utility model

The technical content of the utility model is to provide a valve spring.

To solve the above problems, the present utility model provides a valve spring, comprising: the mounting panel, the mounting panel upper surface is provided with the mount pad, and the mount pad outer pot head is equipped with the pressure release shell, the plug valve is inserted to pressure release shell upper end.

As a further solution of the utility model, the outer end of the mounting seat is provided with a threaded structure, and the lower end of the pressure release shell is provided with a threaded hole matched with the pressure release shell.

As a further solution of the utility model, a plurality of groups of pressure relief holes are uniformly formed at the upper end of the outer surface of the pressure relief shell.

As a further solution of the utility model, the blocking valve comprises a positioning rod which is movably inserted in the middle position of the upper end of the pressure release shell, a blocking block is fixedly arranged at the lower end of the positioning rod, and a positioning plate is fixedly arranged at the upper end of the positioning rod.

As a further solution of the utility model, the plug diameter is the same size as the pressure relief housing inner diameter.

As a further solution of the utility model, the diameters of the mounting plate and the positioning plate are the same, and a return spring is arranged between the mounting plate and the positioning plate.

In summary, the present utility model includes at least one of the following beneficial technical effects:

Firstly, the utility model discloses an electrostatic powder spraying device for metal workpieces, which is characterized in that a plurality of groups of pressure relief holes are uniformly formed in the upper end of the outer surface of a pressure relief shell, so that the automatic adjustment of a spring type pressure relief valve can be realized, namely, the pressure can be stably controlled according to the pressure change in a pipeline without manual intervention, and the occurrence of abnormal pressure rise can be effectively reduced by forming the pressure relief holes.

Secondly, the utility model discloses an electrostatic powder spraying device for a metal workpiece, which is characterized in that the diameter of a blocking block is the same as the inner diameter of a pressure release shell, and when the blocking block blocks the pressure release hole, gas or liquid can be better prevented from leaking out of the pressure release hole, because the blocking block is the same as the inner diameter of the pressure release shell, the blocking block can be better attached to the edge of the pressure release hole, so that the leakage can be better prevented.

The utility model discloses an electrostatic powder spraying device for a metal workpiece, which is characterized in that a reset spring is arranged between a mounting plate and a positioning plate, so that the stability and the tightness of a blocking valve in a closed state can be ensured, when the pressure of a medium exceeds a set value, the blocking block can be jacked up, so that a pressure relief hole is opened for pressure relief, and when the pressure of the medium is reduced below the set value, the reset spring can push the blocking block to return to the original position, and the pressure relief hole is closed again, so that the safety and the reliability of equipment in the use process can be ensured.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a schematic perspective view of a valve spring of the present utility model;

FIG. 2 is a schematic exploded perspective view of the valve spring of the present utility model;

FIG. 3 is a schematic cross-sectional view of a valve spring of the present utility model;

fig. 4 is a schematic diagram of a block valve structure of the valve spring of the present utility model.

Reference numerals: 1. a mounting plate; 2. a mounting base; 3. a pressure relief shell; 4. a blocking valve; 41. a positioning rod; 42. a blocking block; 43. a positioning plate; 5. and a return spring.

Detailed Description

Please refer to fig. 1-4 in combination. A valve spring comprising: the mounting panel 1, mounting panel 1 upper surface is provided with mount pad 2, and the outer pot head of mount pad 2 is equipped with pressure release shell 3, and pressure release shell 3 upper end is inserted and is equipped with blocking valve 4.

Further, the outer end of the mounting seat 2 is provided with a threaded structure, the lower end of the inner part of the pressure release shell 3 is provided with a threaded hole matched with the threaded structure, and the pressure release shell 3 is mounted at the outer end of the mounting seat 2 through the threaded structure, so that the valve spring can be quickly dismounted and replaced through the threaded structure.

Further, the pressure release holes of the plurality of groups are evenly formed in the upper end of the outer surface of the pressure release shell 3, and after the height of the blocking block 42 is higher than that of the pressure release holes, the pressure of the device is released through the pressure release holes formed in the pressure release shell 3.

Further, the blocking valve 4 comprises a positioning rod 41, the positioning rod 41 is movably inserted into the middle position of the upper end of the pressure relief shell 3, a blocking block 42 is fixedly arranged at the lower end of the positioning rod 41, a positioning plate 43 is fixedly arranged at the upper end of the positioning rod 41, the position of the blocking block 42 can be adjusted through the positioning rod 41, and the positioning rod 41 is driven to move at the upper end of the pressure relief shell 3 through the positioning plate 43.

Further, the diameter of the blocking block 42 is the same as the inner diameter of the pressure release shell 3, the pressure release shell 3 can be blocked by the blocking block 42, pressure leakage is prevented, when the pressure in the pressure release shell 3 is large, the blocking block 42 can be pushed to move in the pressure release shell 3, so that the height of the blocking block 42 is higher than that of the pressure release hole, and pressure release is carried out in the pressure release hole.

Further, the diameters of the mounting plate 1 and the positioning plate 43 are the same, and the reset spring 5 is arranged between the mounting plate 1 and the positioning plate 43, so that when the pressure is smaller, the blocking valve 4 can be pulled through the elasticity of the reset spring 5, and the positioning rod 41 is driven to move at the upper end of the pressure release shell 3 through the positioning plate 43, so that the position of the blocking block 42 is lower than the position of the pressure release hole formed in the pressure release shell 3 in a normal state.

Working principle: before use, the reset spring 5 is arranged at the outer end of the pressure relief shell 3, and then the pressure relief shell 3 is arranged at the outer end of the mounting seat 2 through a thread structure;

When the internal pressure of the device is large in the use process, the position of the blocking block 42 can be jacked up, so that the position of the blocking block 42 is higher than the position of the pressure relief hole, the device is decompressed through the pressure relief hole, the blocking valve 4 can be pulled through the elastic force of the reset spring 5 when the pressure is small, the positioning rod 41 is driven to move at the upper end of the pressure relief shell 3 through the positioning plate 43, and the position of the blocking block 42 is lower than the position of the pressure relief hole formed in the pressure relief shell 3 in a normal state.

It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents, and in other related technical fields, which are equally encompassed by the scope of the present utility model.

Claims

1. Valve spring, its characterized in that includes:

The mounting plate (1), mounting plate (1) upper surface is provided with mount pad (2), and mount pad (2) outer pot head is equipped with pressure release shell (3), pressure release shell (3) upper end is inserted and is equipped with blocking valve (4).

2. A valve spring as claimed in claim 1, wherein: the outer end of the mounting seat (2) is provided with a threaded structure, and the lower end of the pressure release shell (3) is provided with a threaded hole matched with the pressure release shell.

3. A valve spring as claimed in claim 1, wherein: and a plurality of groups of pressure relief holes are uniformly formed in the upper end of the outer surface of the pressure relief shell (3).

4. A valve spring as claimed in claim 1, wherein: the blocking valve (4) comprises a positioning rod (41), the positioning rod (41) is movably inserted into the middle position of the upper end of the pressure release shell (3), a blocking block (42) is fixedly arranged at the lower end of the positioning rod (41), and a positioning plate (43) is fixedly arranged at the upper end of the positioning rod (41).

5. A valve spring as defined in claim 4, wherein: the diameter of the blocking block (42) is the same as the inner diameter of the pressure release shell (3).

6. A valve spring as defined in claim 4, wherein: the diameters of the mounting plate (1) and the positioning plate (43) are the same, and a return spring (5) is arranged between the mounting plate (1) and the positioning plate (43).