Pneumatic device of heat preservation three-way valve

Abstract

The pneumatic device of the heat preservation three-way valve comprises a triangular supporting plate, a pneumatic valve body is arranged at the position, close to the bottom, of the front surface of the triangular supporting plate, a valve seat is fixedly arranged at the top of the pneumatic valve body, and energy absorption pads are fixedly arranged at the positions, close to the triangle, of the front surface of the triangular supporting plate. A cavity is formed in the energy absorption pad, a supporting pad is arranged at the position, close to the middle, in the energy absorption pad, and a damping spring is fixedly arranged on the rear surface of the supporting pad. According to the pneumatic device of the heat preservation three-way valve, by arranging an energy absorption pad, a sound absorption cotton strip, a supporting pad, a damping spring and a damping spring, when the pneumatic device is used, the vibration sense generated by the pneumatic device and noise generated by resonance can be absorbed and reduced, the stability of the pneumatic device during operation is improved, noise pollution is reduced, convenience is brought to a user, and the pneumatic device is worthy of popularization and application. The practicability of the device is improved, and the use requirements of users are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic three -way valve technical field, concretely is a kind of pneumatic device of heat preservation three -way valve. BACKGROUND

[0002] Pneumatic three-way valve is a kind of valve, can be divided into L type and T type, L type three-way ball valve is used for the switching of medium flow direction, can make two channels perpendicular to each other communicate (such as flow direction diagram L type). Three-way ball valve generally adopts two valve seat structure, can also be used according to user's request four valve seat structure. Four valve seat sealing three-way ball valve has modeling beautiful, compact and reasonable structure, it not only can realize the switching of medium flow direction, also can make three channels communicate with each other, while also can close any channel, make another two channels communicate, flexible control the confluence or bifurcation of medium in pipeline.

[0003] The prior art "a combined pneumatic three-way valve convenient to replace", patent number (CN213839685U), by setting up air source three joint, air tank and controller, simple structure, less cost, can provide continuous air pressure for pneumatic three-way valve under the condition that air compressor is stopped, so that pneumatic three-way valve can continuously switch between recovery and diffusion state, thereby reducing the occurrence of gas accidents and protecting the personal safety of operating personnel.

[0004] However, the pneumatic device will generate a large vibration and noise in the process of use, resulting in noise pollution, which brings inconvenience to the user, and cannot meet the user's use demand. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of pneumatic device of heat preservation three -way valve to solve the problem that the pneumatic device in the above background art will generate a large vibration and noise in the process of use, resulting in noise pollution, which brings inconvenience to the user, and cannot meet the user's use demand.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of pneumatic device of heat preservation three -way valve, including triangular support board, the bottom position of the front surface of the triangular support board is provided with pneumatic valve body, the top of the pneumatic valve body is fixedly provided with valve seat, the triangular position of the front surface of the triangular support board is fixedly provided with energy-absorbing pad, the inside of the energy-absorbing pad is provided with cavity, the middle position in the energy-absorbing pad is provided with support pad, the rear surface of the support pad is fixedly provided with damping spring, the outer surface of the support pad is provided with connecting rod, the outer surface of the energy-absorbing pad is provided with guide groove, the rear surface of the connecting rod is fixedly provided with shock-absorbing spring, the front surface of the triangular support board is provided with strip-shaped groove, the inside of the strip-shaped groove is fixedly provided with sound-absorbing cotton strip.

[0007] Further, the front end of the energy-absorbing pad is in contact with the pneumatic valve body and the valve seat respectively, and the energy-absorbing pad is made of rubber material.

[0008] Further, the rear surface of the damping spring is fixedly connected with the rear surface in the energy-absorbing pad.

[0009] Further, the opposite sides of the two connecting rods are penetrated through the guide grooves and extended to the outside, the connecting rods and the guide grooves are in sliding connection, and the front ends of the connecting rods are fixedly connected with the pneumatic valve body and the valve seat respectively.

[0010] Further, the rear end of the damping spring is fixedly connected with the triangular supporting plate.

[0011] Further, the number of the strip-shaped grooves is several, and every two strip-shaped grooves are equidistantly arranged.

[0012] Further, the bottom and the two sides of the pneumatic valve body are communicated with valve ports.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The pneumatic device of the heat preservation three-way valve is provided with the energy-absorbing pad, the sound-absorbing cotton strip, the supporting pad, the damping spring and the damping spring, so that the noise caused by the vibration and resonance of the device can be absorbed and reduced when the device is used, the stability of the device during operation is improved, the noise pollution is reduced, the convenience of users is improved, the practicality of the device is improved, and the use requirement of users is met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a front view sectional view of the energy-absorbing pad of the utility model;

[0017] Figure 3 It is Figure 2 It is a local enlarged schematic diagram of A;

[0018] Figure 4 It is a top view sectional view of the energy-absorbing pad of the utility model.

[0019] In the drawing: 1, triangular supporting plate; 2, pneumatic valve body; 3, valve seat; 4, energy-absorbing pad; 5, supporting pad; 6, damping spring; 7, connecting rod; 8, guide groove; 9, damping spring; 10, strip-shaped groove; 11, sound-absorbing cotton strip; 12, valve port. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail below by combining with the drawings and through specific embodiments, and the following embodiments are only descriptive but not limitative of the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of pneumatic device of heat preservation tee bend valve, including triangular support plate 1, triangular support plate 1 plays the role of supporting the device, the bottom position of the front surface of triangular support plate 1 is provided with pneumatic valve body 2, pneumatic valve body 2 plays the role of pneumatic output, the top of pneumatic valve body 2 is fixedly provided with valve seat 3, valve seat 3 is used to set corresponding assembly, the triangular position of the front surface of triangular support plate 1 is fixedly provided with energy-absorbing pad 4, energy-absorbing pad 4 can play the role of energy absorption, cavity is opened in the inside of energy-absorbing pad 4, the middle position in energy-absorbing pad 4 is provided with support pad 5, support pad 5 plays the role of support, the rear surface of support pad 5 is fixedly provided with damping spring 6, damping spring 6 plays the role of energy absorption, the outer surface of support pad 5 is provided with connecting rod 7, connecting rod 7 is used to connect corresponding assembly, the outer surface of energy-absorbing pad 4 is provided with guide groove 8, guide groove 8 facilitates the sliding of connecting rod 7, the rear surface of the connecting rod is fixedly provided with shock-absorbing spring 9, shock-absorbing spring 9 plays the role of shock absorption and energy absorption, the front surface of triangular support plate 1 is provided with strip slot 10, strip slot 10 is used to set sound-absorbing cotton strip 11, strip slot 10 is fixedly provided with sound-absorbing cotton strip 11 in the inside, sound-absorbing cotton strip 11 can play the role of sound absorption.

[0022] Further, the front end of energy-absorbing pad 4 is in contact with pneumatic valve body 2 and valve seat 3 respectively, and energy-absorbing pad 4 is made of rubber material, wherein energy-absorbing pad 4 plays the role of energy absorption.

[0023] Further, the rear surface of damping spring 6 is fixedly connected with the rear surface in energy-absorbing pad 4, wherein damping spring 6 plays the role of buffering.

[0024] Further, the opposite sides of the two connecting rods 7 are both penetrated through guide groove 8 and extended to the outside thereof, and the connecting rod 7 is slidingly connected with the guide groove 8, and the front end of connecting rod 7 is fixedly connected with pneumatic valve body 2 and valve seat 3 respectively, wherein connecting rod 7 is used to connect corresponding assembly.

[0025] Further, the rear end of shock-absorbing spring 9 is fixedly connected with triangular support plate 1, wherein shock-absorbing spring 9 can perform shock absorption.

[0026] Further, the number of strip slots 10 is several, and each two strip slots 10 are designed to be equidistant from each other, wherein strip slot 10 is used to set sound-absorbing cotton strip 11.

[0027] Further, the bottom and both sides of pneumatic valve body 2 are communicated with valve port 12, wherein valve port 12 facilitates the flow of meson.

[0028] Working principle: when the device generates vibration, the vibration will drive the connecting rod 7 to move down, the connecting rod 7 moves down to drive the supporting pad 5 to move down, so as to synchronously drive the damping spring 6 and the shock absorbing spring 9 to be pressed down to generate deformation to buffer and absorb the vibration, then through the set sound absorbing cotton strip 11, noise can be absorbed and reduced, noise pollution is reduced, and the energy absorbing pad 4 is connected with the pneumatic valve body 2 and the valve seat 3 respectively, so that part of the vibration generated between the two is transmitted to the energy absorbing pad 4 and absorbed by the energy absorbing pad 4.

[0029] According to the above working process, it can be known that:

[0030] The pneumatic device of the heat preservation tee valve can absorb the vibration and noise generated by the device and resonance when the device is used, which not only improves the stability of the device during operation, but also reduces noise pollution, brings convenience to users, improves the practicality of the device, and meets the use requirements of users.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pneumatic device for a thermal insulation three-way valve, comprising a triangular support plate (1), characterized in that: A pneumatic valve body (2) is provided at the bottom of the front surface of the triangular support plate (1). A valve seat (3) is fixedly provided at the top of the pneumatic valve body (2). An energy-absorbing pad (4) is fixedly provided at the triangular position of the front surface of the triangular support plate (1). A cavity is opened inside the energy-absorbing pad (4). A support pad (5) is provided at the middle position inside the energy-absorbing pad (4). A damping spring (6) is fixedly provided on the rear surface of the support pad (5). A connecting rod (7) is arranged around the outer surface of the support pad (5). A guide groove (8) is arranged around the outer surface of the energy-absorbing pad (4). A shock-absorbing spring (9) is fixedly provided on the rear surface of the connecting rod (7). A strip groove (10) is opened on the front surface of the triangular support plate (1). A sound-absorbing cotton strip (11) is fixedly provided inside the strip groove (10).

2. The pneumatic device for a heat-insulating three-way valve according to claim 1, characterized in that: The front end of the energy-absorbing pad (4) is in contact with the pneumatic valve body (2) and the valve seat (3) respectively. The energy-absorbing pad (4) is made of rubber.

3. The pneumatic device for a heat-insulating three-way valve according to claim 1, characterized in that: The rear surface of the damping spring (6) is fixedly connected to the rear surface inside the energy-absorbing pad (4).

4. The pneumatic device for a heat-insulating three-way valve according to claim 1, characterized in that: The two connecting rods (7) have opposite sides that pass through the guide groove (8) and extend to its outside. The connecting rods (7) are slidably connected to the guide groove (8). The front ends of the connecting rods (7) are fixedly connected to the pneumatic valve body (2) and the valve seat (3) respectively.

5. The pneumatic device for a heat-insulating three-way valve according to claim 1, characterized in that: The rear end of the shock-absorbing spring (9) is fixedly connected to the triangular support plate (1).

6. The pneumatic device for a heat-insulating three-way valve according to claim 1, characterized in that: The number of the strip grooves (10) is several, and the distance between each pair of strip grooves (10) is equal.

7. The pneumatic device for a heat-insulating three-way valve according to claim 1, characterized in that: The bottom and both sides of the pneumatic valve body (2) are connected to valve ports (12).

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