CN218863890U

CN218863890U - Pipeline structure with high gas tightness

Info

Publication number: CN218863890U
Application number: CN202223126593.5U
Authority: CN
Inventors: 杲子轩; 何雷; 冯保义
Original assignee: Suzhou Boneng Furnace Technology Co ltd
Current assignee: Suzhou Boneng Furnace Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-14
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a pipeline structure with high gas tightness for drive actuating cylinder motion, include: the air cylinder is connected with the air cylinder at one end, and the other end of the air cylinder is connected with the self-locking device at the other end. The utility model discloses an useful part lies in, through setting self-lock device realizes the auto-lock of pipeline, and the gas tightness in the further increase pipeline reduces gaseous leakage in the pipeline, makes the precision of butterfly valve can keep, improves the life of butterfly valve and the control accuracy simple structure of cylinder, and is with low costs.

Description

Pipeline structure with high gas tightness

Technical Field

The utility model relates to a pipeline application technical field, specificly relate to a pipeline structure with high gas tightness.

Background

The existing cylinder driving process usually adopts a butterfly valve to control gas in a pipeline, when a valve plate in the butterfly valve is in a middle position, the force acting on the valve plate is small (namely the load reacting on the cylinder is small) under the low-pressure state of the pipeline, an electromagnetic valve works, each gas path is closed, the gas pressure in a residual cylinder body and the pipeline is enough to resist the load, the middle position of the valve plate is enough to maintain, but the residual gas pressure is gradually reduced due to the leakage of the pipeline, the cylinder and the electromagnetic valve along with the time, and the position of the valve plate can be gradually deviated, so that the position precision of the butterfly valve is gradually reduced; when the valve plate is in the middle position, under the high-pressure state in the pipeline, the force acting on the valve plate is large (namely the load acting on the cylinder in a reaction manner is large), the electromagnetic valve works, each gas circuit is closed, the gas pressure in the residual cylinder body and the pipeline is not enough to resist against the load, the middle position of the valve plate cannot be maintained, and the position of the valve plate can be rapidly deviated along with the time, so that the position precision of the butterfly valve is rapidly reduced; the original design relies too much on the air tightness of the solenoid valve as a control valve, resulting in the above drawbacks.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a pipeline structure with high gas tightness improves the gas tightness of pipeline through setting up self-lock device, reduces gaseous leakage in the pipeline, makes the precision of butterfly valve can keep, improves the life of butterfly valve and the control accuracy of cylinder.

Specifically, the utility model discloses a pipeline structure with high gas tightness for drive actuating cylinder motion, include: the self-locking device comprises a main air pipe, a first air pipe, a second air pipe and a self-locking device, wherein the main air pipe is connected with an external air source to the self-locking device, one end of the air pipe is connected with the other end of an air cylinder, the other end of the air cylinder is connected with the self-locking device, and one end of the second air pipe is connected with the other end of the air cylinder and is connected with the self-locking device.

The self-locking device has the beneficial effects that the self-locking device is arranged to realize the self-locking of the pipeline, so that the air tightness in the pipeline is further increased, the leakage of gas in the pipeline is reduced, the precision of the butterfly valve is kept, the service life of the butterfly valve is prolonged, the control precision of the cylinder is improved, the structure is simple, and the cost is low.

Furthermore, self-lock device includes valve and self-locking piece, the self-locking piece with valve connection control trachea one with trachea two and total trachea.

Adopt above-mentioned technical scheme's beneficial part to lie in, through setting up the switching of valve control gas circuit, set up simultaneously self-locking piece seals gas, improves the gas tightness of gas circuit.

Furthermore, the self-locking piece is a self-locking valve which is symmetrically arranged, the self-locking valve is provided with a cylinder connecting port, an electromagnetic valve connecting port and an intercommunication port, the cylinder connecting port is connected with the cylinder, the electromagnetic valve connecting port is connected with the electromagnetic valve, and the intercommunication port is used for communicating the self-locking valve.

The technical scheme has the beneficial effects that the two symmetrical self-locking valves are arranged for controlling the air in the air pipe communicated between the air cylinder and the valve and are matched with the control action of the valve, and the intercommunication ports are arranged for connecting the two self-locking valves, so that the self-locking control and the release of the air in the pipeline are realized.

Furthermore, the connection port of the electromagnetic valve is also connected with a one-way throttle valve.

The technical scheme has the advantages that the one-way throttle valve controls the direction and the flow of air in the air pipe, and the air is prevented from flowing reversely to influence the driving process of the air cylinder.

Furthermore, still be provided with supplementary trachea on the total trachea, be provided with the butterfly valve on the supplementary trachea.

The technical scheme has the beneficial effects that the butterfly valve is used for controlling the gas quantity of the auxiliary gas pipe.

Furthermore, the valve is a three-position five-way electromagnetic valve.

The technical scheme has the beneficial effects that the three-position five-way electromagnetic valve is arranged to control the air cylinder, so that the output end of the air cylinder can be stopped at any position and kept, and the air cylinder is convenient to control.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.

FIG. 1 is a schematic view of the connection of the pipe structure with high air tightness of the present invention

FIG. 2 is a schematic view of the structure of the self-locking device of the present invention

Wherein reference numerals are referred to in the figures as follows:

a cylinder 1; a cylinder front cavity 11; a cylinder rear chamber 12; a main gas pipe 2; a first air pipe 3; a second trachea 4; a valve 5; a first port 51; port two 52; port three 53; a self-locking valve 6; a cylinder connection port 61; a solenoid valve connection port 62; an interworking port 63; a first self-locking valve 64; a second self-locking valve 65; a one-way throttle valve 7; an auxiliary air pipe 8; a butterfly valve 9.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to fig. 2, the utility model discloses a pipeline structure with high gas tightness for drive actuating cylinder 1 motion, include: the air cylinder self-locking device comprises a main air pipe 2, a first air pipe 3, a second air pipe 4 and a self-locking device, wherein the main air pipe 2 is connected with an external air source to the self-locking device, the first 3 end of the air pipe is connected with the other end of the air cylinder 1 and is connected with the self-locking device, and one end of the second 4 air pipe is connected with the other end of the air cylinder 1 and is connected with the self-locking device.

The technical scheme has the advantages that the self-locking device is arranged to realize the self-locking of the pipeline, so that the air tightness in the pipeline is further increased, the leakage of gas in the pipeline is reduced, the precision of the butterfly valve 9 is kept, the service life of the butterfly valve 9 and the control precision of the cylinder 1 are improved, the structure is simple, and the cost is low.

In some embodiments, the self-locking device may adopt a structure that includes a valve 5 and a self-locking member connected to the valve 5 to control the first air pipe 3, the second air pipe 4 and the main air pipe 2.

Adopt above-mentioned technical scheme's beneficial part to lie in, through setting up 5 control gas circuits of valve and switching, set up simultaneously self-locking piece confined gas improves the gas tightness of gas circuit.

In some embodiments, the latching member may be a latching valve 6 symmetrically disposed and divided into a first latching valve 64 and a second latching valve 65, the first latching valve 64 is disposed on the first air pipe 3 and connected to the front cylinder chamber 11, the second latching valve 65 is disposed on the second air pipe 4 and connected to the rear cylinder chamber 12, the latching valve 6 has a cylinder connecting port 61, a solenoid valve connecting port 62 and an intercommunication port 63, the cylinder connecting port 61 is connected to the cylinder 1, the solenoid valve connecting port 62 is connected to the solenoid valve through an air pipe, and the intercommunication port 63 connects the two latching valves 6 through an air pipe.

The technical scheme has the advantages that the two symmetrical self-locking valves 6 are arranged for controlling air in the communicating air pipe between the air cylinder 1 and the valve 5 to be matched with the control action of the valve 5, and the intercommunication port 63 is arranged to be connected with the two self-locking valves 6 to realize self-locking control and release of air in the pipeline.

In some embodiments, the solenoid valve connection port 62 may adopt a structure that the solenoid valve connection port 62 is further connected with a one-way throttle valve 7, and the one-way throttle valve 7 is disposed in a pipeline.

The technical scheme has the advantages that the one-way throttle valve 7 controls the direction and the flow of air in the air pipe, and the driving process of the air cylinder 1 is prevented from being influenced by reverse circulation of air.

In some embodiments, the main gas pipe 2 may adopt the following structure, an auxiliary gas pipe 8 is further disposed on the main gas pipe 2, and a butterfly valve 9 is disposed on the auxiliary gas pipe 8.

The technical scheme has the advantage that the butterfly valve 9 is arranged for controlling the amount of the gas in the auxiliary gas pipe 8.

In some embodiments, the valve 5 may be a three-position five-way solenoid valve, and the first port 51 of the valve 5 is connected to the main pipe 2, the second port 52 is connected to the first latching valve 64, and the third port 53 is connected to the second latching valve 65.

The technical scheme has the advantages that the three-position five-way electromagnetic valve is arranged to control the air cylinder 1, so that the output end of the air cylinder 1 can be stopped at any position and kept, and the output quantity of the air cylinder 1 can be conveniently controlled.

During the working process, the self-locking device is connected in the pipeline, then the self-locking device is communicated with the cylinder 1, the inlet and outlet direction of gas in the pipeline is controlled through the valve 5, when the port II 52 on the valve 5 is used for air inlet, the gas enters the cylinder front cavity 11 through the self-locking valve I64, a part of the gas enters the intercommunication port 63 of the self-locking valve II 65, the self-locking valve II 65 is opened, the gas flows through the self-locking valve II 65 from the cylinder rear cavity 12 and is discharged from the electromagnetic valve port III 53, and at the moment, the piston rod of the cylinder 1 is retracted. When the third port 53 on the valve 5 is filled, the gas enters the cylinder rear cavity 12 through the second self-locking valve 65, a part of the gas also enters the communicating port 63 of the first self-locking valve 64 to open the first self-locking valve 64, the gas flows through the first self-locking valve 64 from the cylinder front cavity 11 and is exhausted from the third port 53 of the valve 5, and the piston rod of the cylinder 1 extends. When the valve 5 is in the middle position, the communication port 63 is connected to the atmosphere for exhausting, the first latching valve 64 and the second latching valve 65 are disconnected, and the piston rod of the cylinder 1 can be stopped and held at any position. The valve 5 is only used for switching the flow direction of gas, the self-locking valve 6 is used for keeping the air tightness in the gas pipe, meanwhile, when the self-locking valve 6 is installed, the self-locking valve 6 is close to the cylinder 1, leakage points on a pipeline are reduced, due to the fact that the valve is better in air tightness, the pressure of residual gas in the cylinder 1 and the pipeline is kept, the residual gas can be balanced with a load under a pressure state, the valve plate is stably kept at the middle position, and the adjusting precision of the butterfly valve 9 is also guaranteed.

For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which all fall within the scope of the invention.

Claims

1. A pipe structure with high gas tightness for driving a cylinder (1) in motion, characterized by comprising: the self-locking device comprises a main air pipe (2), a first air pipe (3), a second air pipe (4) and a self-locking device, wherein the main air pipe (2) is connected with an external air source to the self-locking device, the first air pipe (3) end is connected with the other end of an air cylinder (1) and is connected with the self-locking device, and one end of the second air pipe (4) is connected with the other end of the air cylinder (1) and is connected with the self-locking device.

2. The piping structure with high airtightness according to claim 1, wherein the self-locking device comprises a valve (5) and a self-locking member, and the self-locking member is connected with the valve (5) to control the first air pipe (3), the second air pipe (4) and the main air pipe (2).

3. The piping structure having high airtightness according to claim 2, wherein the self-locking pieces are symmetrically arranged self-locking valves (6), the self-locking valves (6) having cylinder connection ports (61) connected to the cylinders (1), solenoid valve connection ports (62) connected to the solenoid valves, and intercommunication ports (63) for communicating the self-locking valves (6).

4. The piping structure with high airtightness according to claim 3, wherein a check throttle valve (7) is further connected to the electromagnetic valve connection port (62).

5. The piping structure with high airtightness according to claim 1, wherein an auxiliary air pipe (8) is further provided on the main air pipe (2), and a butterfly valve (9) is provided on the auxiliary air pipe (8).

6. The piping structure with high airtightness according to claim 2, wherein the valve (5) is a three-position five-way solenoid valve.