CN215194672U

CN215194672U - Pneumatic respirator

Info

Publication number: CN215194672U
Application number: CN202120268907.1U
Authority: CN
Inventors: 常诚; 张东亮; 华金鹏; 张蕾
Original assignee: Shandong Guoan Special Equipment Inspection And Testing Co ltd
Current assignee: Shandong Guoan Special Equipment Inspection And Testing Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-12-17
Anticipated expiration: 2031-01-29

Abstract

The utility model belongs to the technical field of air respirator detection equipment, in particular to a pneumatic respirator, which comprises a telescopic mechanism, a driving mechanism and a control mechanism; the telescopic mechanism comprises a telescopic pipe which is horizontally arranged; one end of the telescopic pipe is connected with a fixed bracket, and the other end of the telescopic pipe is connected with a movable bracket; the bottom of the movable support is fixedly provided with a linear motion mechanism; the driving mechanism comprises an air cylinder fixedly arranged on the mounting bracket; a piston rod of the air cylinder is fixedly connected with the movable support; the control mechanism comprises a magnetic switch arranged on the cylinder, an electromagnetic valve for controlling the air inlet direction of the cylinder and a speed regulating valve for controlling the total airflow flow. The utility model discloses a horizontal motion avoids external interference such as action of gravity, stable in structure, and the product controllability is strong, reaches the result of use of ideal.

Description

Pneumatic respirator

Technical Field

The utility model relates to a pneumatic respirator belongs to respirator check out test set technical field.

Background

The pneumatic respirator in the traditional air respirator detection equipment is vertically arranged, so that the downward acceleration generated by gravity exists in the movement process, the air respirator is easily interfered by the outside, and the stability of the reciprocating breathing movement is influenced under the condition of unstable flow of an air path; moreover, the reciprocating motion of the pneumatic respirator is driven by the single-rod cylinder, and the phenomenon of vibration or blockage can occur; the breathing stroke of the product is single and can not be adjusted, and the detection of different breathing equipment in the using process needs pneumatic ventilators with different strokes, so that the use is very inconvenient. Accordingly, a pneumatic ventilator is claimed herein to address the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: overcome prior art's not enough, provide a pneumatic respirator, adopt horizontal motion, avoid external interferences such as action of gravity, stable in structure, product controllability is strong, reaches the result of use of ideal.

The utility model relates to a pneumatic respirator, which comprises a telescopic mechanism, a driving mechanism and a control mechanism; the telescopic mechanism comprises a telescopic pipe which is horizontally arranged; one end of the telescopic pipe is connected with a fixed bracket, and the other end of the telescopic pipe is connected with a movable bracket; the bottom of the movable support is fixedly provided with a linear motion mechanism; the driving mechanism comprises an air cylinder fixedly arranged on the mounting bracket; a piston rod of the air cylinder is fixedly connected with the movable support; the control mechanism comprises a magnetic switch arranged on the cylinder, an electromagnetic valve for controlling the air inlet direction of the cylinder and a speed regulating valve for controlling the total airflow flow, and the respiratory frequency is controlled by regulating the size of the air inlet airflow of the total air path.

Further preferably, the linear motion mechanism is a linear motion guide rail; the number of the linear motion guide rails is two; the guide rail of the linear motion guide rail is parallel to the telescopic pipe and fixed on the rack, the telescopic mechanism is stabilized, the telescopic mechanism is prevented from swinging left and right and up and down in the motion process, and the motion process is almost silent.

The bottom of the movable bracket of the utility model is symmetrically provided with two mounting surfaces; and the sliding blocks of the linear motion guide rail are symmetrically and fixedly arranged on two mounting surfaces at the bottom of the movable bracket.

Magnetic switch quantity be two, set up respectively at the front end and the rear end of cylinder body spout, through adjusting magnetic switch's position, change the round trip distance difference to realize controlling the single volume of breathing gas.

The fixed support set up the breathing air pipe interface in central point, the bottom is fixed in the frame.

Further preferably, the telescopic pipe is a circular rubber corrugated pipe and has the characteristics of shock absorption and noise reduction.

Further preferably, the cylinder selects a three-axis cylinder, rigidity of a piston rod of the cylinder is increased, and stability of the moving direction is stronger.

Compared with the prior art, the utility model beneficial effect who has is:

the pneumatic respirator of the utility model has simple structure and reasonable design, the symmetrically installed linear motion guide rails further stabilize the telescopic mechanism, the telescopic mechanism is prevented from swinging left and right, up and down in the motion process, and the motion process is almost silent; the cylinder adopts a three-axis cylinder, so that the rigidity of a piston rod of the cylinder is increased, and the stability of the motion direction is stronger; the reciprocating motion of the air cylinder is stable by adjusting two throttle valves at the inlet and the outlet of the air cylinder; the round-trip distance difference of the cylinder is changed by adjusting the position of a magnetic switch on the cylinder body of the cylinder, so that the single respiratory capacity is controlled; the respiratory frequency is controlled by adjusting a speed regulating valve on the main gas path; stable in structure, the product controllability is strong, reaches the result of use of ideal.

Drawings

FIG. 1 is a schematic view of the exhalation state of the present invention;

fig. 2 is a second schematic structural view of the breath state of the present invention;

fig. 3 is a schematic structural diagram of the suction state of the present invention.

In the figure: 1. a telescopic pipe; 2. moving the support; 3. a cylinder; 4. a linear motion guide rail; 5. a magnetic switch; 6. a speed regulating valve; 7. mounting a bracket; 8. an electromagnetic valve; 9. fixing a bracket; 10. a breathing air tube interface.

Detailed Description

The invention will be further described with reference to the following examples:

as shown in fig. 1-2, the pneumatic respirator of the present invention comprises a telescopic mechanism, a driving mechanism and a control mechanism; the telescopic mechanism comprises a telescopic pipe 1 which is horizontally arranged; one end of the telescopic pipe 1 is connected with a fixed bracket 9, and the other end is connected with a movable bracket 2; the bottom of the movable support 2 is fixedly provided with a linear motion mechanism; the driving mechanism comprises a cylinder 3 fixedly arranged on a mounting bracket 7; a piston rod of the cylinder 3 is fixedly connected with the movable bracket 2; the control mechanism comprises a magnetic switch 5 arranged on the air cylinder 3, an electromagnetic valve 8 for controlling the air inlet direction of the air cylinder 3 and a speed regulating valve 6 for controlling the total airflow flow, and the respiratory frequency is controlled by regulating the size of the air inlet airflow of the total air path.

The linear motion mechanisms are linear motion guide rails 4, and the number of the linear motion guide rails is two; the guide rail of the linear motion guide rail 4 is parallel to the telescopic pipe 1 and is fixed on the frame; the bottom of the movable bracket 2 is symmetrically provided with two mounting surfaces; the slide blocks of the linear motion guide rail 4 are symmetrically and fixedly arranged on two mounting surfaces at the bottom of the movable bracket 2.

The magnetic switch 5 quantity that sets up on cylinder 3 is two, sets up respectively at the front end and the rear end of 3 cylinder body spouts of cylinder, through the jackscrew on the elasticity magnetic switch 5, removes fixed magnetic switch 5's position, changes cylinder 3 round trip distance difference to realize controlling single respiratory rate.

The fixed bracket 9 is provided with a breathing air pipe interface 10 at the central position, and the bottom is fixed on the frame.

The telescopic pipe 1 is a circular rubber corrugated pipe and has the characteristics of shock absorption and noise reduction; the cylinder 3 adopts a three-axis cylinder, the rigidity of a piston rod of the cylinder 3 is increased, and the stability of the motion direction is stronger.

The low-pressure compressed gas source continuously supplies gas, and the total gas inflow is controlled by adjusting the speed regulating valve 6 of the gas source port of the electromagnetic valve 8, so that the reciprocating motion speed of the cylinder 3 is controlled; when the device works, a valve port of the electromagnetic valve 8 is opened, a piston rod of the air cylinder 3 extends out to push the movable support 2 to move forwards along the horizontal direction of the linear motion guide rail 4, the telescopic pipe 1 is compressed, and air in the telescopic pipe 1 is exhausted from a breathing air pipe opening 10 of the fixed support 9; the electromagnetic valve 8 is reversed, the piston rod of the air cylinder 3 retracts, the movable support 2 is pulled to move backwards along the linear motion guide rail 4 in the horizontal direction, the telescopic pipe 1 is opened, and air is sucked from the breathing air pipe interface 10 of the fixed support 9 to complete one breathing motion; the different positions of two magnetic switches 5 in the 3 cylinder body spouts of adjusting cylinder further control 8 coil break-make of solenoid valve, realize the change of compression mechanism stroke size to realize the change of breathing gas volume size. The utility model discloses a horizontal motion avoids external interference such as action of gravity, stable in structure, and the product controllability is strong, reaches the result of use of ideal.

Claims

1. A pneumatic ventilator, characterized by: comprises a telescopic mechanism, a driving mechanism and a control mechanism; the telescopic mechanism comprises a telescopic pipe (1) which is horizontally arranged; one end of the telescopic pipe (1) is connected with a fixed bracket (9), and the other end is connected with a movable bracket (2); the bottom of the movable support (2) is fixedly provided with a linear motion mechanism; the driving mechanism comprises a cylinder (3) fixedly arranged on a mounting bracket (7); a piston rod of the air cylinder (3) is fixedly connected with the movable support (2); the control mechanism comprises a magnetic switch (5) arranged on the cylinder (3), an electromagnetic valve (8) for controlling the air inlet direction of the cylinder (3), and a speed regulating valve (6) for controlling the total airflow flow.

2. The pneumatic ventilator of claim 1, wherein: the linear motion mechanism is a linear motion guide rail (4); the number of the linear motion guide rails (4) is two; the guide rail of the linear motion guide rail (4) is parallel to the telescopic pipe (1) and is fixed on the frame.

3. The pneumatic ventilator of claim 2, wherein: the bottom of the movable bracket (2) is symmetrically provided with two mounting surfaces; and the sliding blocks of the linear motion guide rail (4) are symmetrically and fixedly arranged on two mounting surfaces at the bottom of the movable bracket (2).

4. The pneumatic ventilator of claim 1, wherein: the number of the magnetic switches (5) is two, and the magnetic switches are respectively arranged at the front end and the rear end in the cylinder body sliding groove of the cylinder (3).

5. The pneumatic ventilator of claim 1, wherein: the fixed support (9) is provided with a breathing air pipe interface (10) at the central position, and the bottom of the fixed support is fixed on the frame.

6. The pneumatic ventilator of claim 1, wherein: the telescopic pipe (1) is a circular rubber corrugated pipe.

7. The pneumatic ventilator of claim 1, wherein: the cylinder (3) is a three-shaft cylinder.