Air bag pump sealing device

Abstract

The utility model discloses an airbag pump sealing device, which relates to the technical field of airbag pumps, and comprises an airbag pump main body, a bag body arranged in the airbag pump main body, a piston arranged at the top of the bag body, a piston rod arranged at the top of the piston, and a fixed plate fixedly connected outside the upper end of the airbag pump main body, a supporting rod is arranged on the fixing plate, a connecting plate is fixedly connected to the top of the supporting rod, and a sealing assembly and a speed reduction device are arranged on the air bag pump body. The sealing assembly comprises an air bag, the bottom of the air bag is fixedly connected with an air inlet pipe and an air conveying pipe, and the bottom of the air conveying pipe is fixedly connected with an air pressure cabin. And the air pressure cabin can drive the air pressure rod and the sealing block to move, the air bag pump body is sealed, operation is easy, time and labor are saved, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of air bag pumps, in particular to a sealing device for air bag pumps. Background Art

[0002] The bellows pump is a type of pump that relies on a variable volume bag to alternately increase and decrease the working volume in the pump cylinder to transport special liquids. The bellows pump cylinder seal in the prior art adopts a single-layer fluororubber material U-shaped seal and a piston rod sealing structure, with a working pressure of 1.6Mpa, a friction coefficient of 0.8, a working speed of ≤1m / s, and a working temperature range of -30℃-200℃.

[0003] In the prior art, the bellows pump needs to be sealed when in use to prevent leakage of the airflow generated by the internal bellows. Generally, bolts and other tools are required to seal the bellows pump, which is cumbersome, time-consuming, labor-intensive, and has a short service life. Therefore, the present application proposes a bellows pump sealing device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a bellows pump sealing device, which solves the existing problems through a sealing component and a speed reducing device.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a bellows pump sealing device, comprising a bellows pump body, a bladder body is arranged inside the bellows pump body, a piston is arranged on the top of the bladder body, a piston rod is arranged on the top of the piston, a fixing plate is fixedly connected to the upper end of the bellows pump body, a support rod is arranged on the fixing plate, a connecting plate is fixedly connected to the top of the support rod, and a sealing assembly and a speed reducer are arranged on the bellows pump body;

[0007] The sealing assembly includes an airbag, the bottom of which is fixedly connected to an air inlet pipe and an air supply pipe, the bottom of the air supply pipe is fixedly connected to an air pressure cabin, the side of the air pressure cabin is slidably connected to an air pressure rod, the side of the air pressure rod away from the air pressure cabin is fixedly connected to a sealing block, and the side of the air pressure cabin away from the air pressure rod is provided with an exhaust valve.

[0008] Furthermore, the piston is slidably connected to the inside of the bellows pump body, and the top of the connecting plate is fixedly connected with an air bag, so that the piston can effectively perform piston movement inside the bellows pump body.

[0009] Furthermore, the pressure chamber is fixedly connected to both sides of the top of the fixed plate, and the two pressure chambers are symmetrically arranged. After the gas is injected into the pressure chamber, the pressure rod and the sealing block will be driven to move.

[0010] Furthermore, the sealing block is made of metal steel with strong sealing performance, and the size of the two sealing blocks when fitted together is adapted to the size of the bellows pump body, so the sealing block can effectively seal the bellows pump body.

[0011] Furthermore, the deceleration device comprises a connecting rod, the bottom of which is fixedly connected with a friction block, and the friction block is arranged on the inner side of the friction guide rail. The deceleration device can effectively decelerate the sealing block.

[0012] Furthermore, the shape of the connecting rod is set to be L-shaped, and the side of the connecting rod away from the friction block is fixedly connected to the sealing block, so that the connecting rod can effectively fix the friction block.

[0013] Furthermore, the friction block is made of rubber with strong friction force, the friction guide rail is fixedly connected to the top of the fixed plate, a friction groove is provided on the friction guide rail, and the friction block can slide in the friction guide rail to generate friction resistance.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model uses a sealing component. When the air bag pump body is installed, the air bag will be squeezed to transport the internal gas to the inside of the air pressure cabin through the air pipe. The air pressure cabin will drive the air pressure rod and the sealing block to move, so as to seal the air bag pump body. The operation is simple, time-saving and labor-saving, and the practicability is strong.

[0016] 2. The utility model can drive the connecting rod and the friction block to move while the sealing block moves through the deceleration device. The friction block will slide on the friction guide rail to generate friction resistance, slowing down the movement speed of the sealing block, preventing the two sealing blocks from moving too fast and touching each other, causing damage and affecting the sealing effect, thereby further enhancing the practicality of the entire device.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0020] Figure 2It is a three-dimensional side structural schematic diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the three-dimensional cross-sectional structure of the utility model;

[0022] Figure 4 It is an enlarged structural schematic diagram of the sealing component of the utility model;

[0023] Figure 5 It is an enlarged structural schematic diagram of the deceleration device of the utility model.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Bellows pump body; 2. Bellows body; 3. Piston; 4. Piston rod; 5. Fixed plate; 6. Support rod; 7. Connecting plate; 8. Sealing assembly; 81. Bellows; 82. Inlet pipe; 83. Air pipe; 84. Air pressure chamber; 85. Air pressure rod; 86. Sealing block; 87. Exhaust valve; 9. Speed ​​reducer; 91. Connecting rod; 92. Friction block; 93. Friction guide rail. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 The utility model is a sealing device for a bellows pump, comprising a bellows pump body 1, a bladder body 2 is arranged inside the bellows pump body 1, a piston 3 is arranged on the top of the bladder body 2, a piston rod 4 is arranged on the top of the piston 3, a fixing plate 5 is fixedly connected to the upper end of the bellows pump body 1, a support rod 6 is arranged on the fixing plate 5, a connecting plate 7 is fixedly connected to the top of the support rod 6, and a sealing assembly 8 and a speed reducer 9 are arranged on the bellows pump body 1;

[0028] The sealing assembly 8 includes an airbag 81, the bottom of which is fixedly connected to an air inlet pipe 82 and an air supply pipe 83, the bottom of the air supply pipe 83 is fixedly connected to an air pressure chamber 84, the side of the air pressure chamber 84 is slidably connected to an air pressure rod 85, the side of the air pressure rod 85 away from the air pressure chamber 84 is fixedly connected to a sealing block 86, and the side of the air pressure chamber 84 away from the air pressure rod 85 is provided with an exhaust valve 87.

[0029] The piston 3 is slidably connected to the inside of the bellows pump body 1 , and the top of the connecting plate 7 is fixedly connected with the air bag 81 , so that the piston 3 can effectively perform piston movement inside the bellows pump body 1 .

[0030] The air pressure chambers 84 are fixedly connected to both sides of the top of the fixing plate 5. The two air pressure chambers 84 are symmetrically arranged. When gas is injected into the air pressure chambers 84, the air pressure rods 85 and the sealing blocks 86 are driven to move.

[0031] The sealing block 86 is made of metal steel with strong sealing performance. The size of the two sealing blocks 86 when fitted together is adapted to the size of the bellows pump body 1 . The sealing block 86 can effectively seal the bellows pump body 1 .

[0032] The deceleration device 9 includes a connecting rod 91 , a friction block 92 is fixedly connected to the bottom of the connecting rod 91 , and the friction block 92 is arranged on the inner side of the friction guide rail 93 . The deceleration device 9 can effectively decelerate the sealing block 86 .

[0033] The shape of the connecting rod 91 is set to be L-shaped, and the side of the connecting rod 91 away from the friction block 92 is fixedly connected to the sealing block 86, so that the connecting rod 91 can effectively fix the friction block 92.

[0034] The friction block 92 is made of rubber with strong friction force. The friction guide rail 93 is fixedly connected to the top of the fixed plate 5. A friction groove is provided on the friction guide rail 93. The friction block 92 can slide in the friction guide rail 93 to generate friction resistance.

[0035] The utility model uses a sealing component 8. When the air bag pump body 1 is installed, the air bag 81 is squeezed, and the air bag 81 will transport the internal gas to the inside of the air pressure chamber 84 through the air pipe 83. The air pressure chamber 84 will drive the air pressure rod 85 and the sealing block 86 to move, and the air bag pump body 1 is sealed. The operation is simple, time-saving and labor-saving, and the practicality is strong. The utility model uses a deceleration device 9 to drive the connecting rod 91 and the friction block 92 to move while the sealing block 86 moves. The friction block 92 slides on the friction guide rail 93 to generate friction resistance, slowing down the movement speed of the sealing block 86, preventing the two sealing blocks 86 from moving too fast and touching each other, causing damage, affecting the sealing effect, and further enhancing the practicality of the entire device.

[0036] A specific application of this embodiment is: when installing the air bag pump body 1, by squeezing the air bag 81, the air bag 81 will transmit the internal gas to the inside of the air pressure chamber 84 through the air pipe 83 after being squeezed. After the air pressure chamber 84 is injected with gas, it will drive the air pressure rod 85 and the sealing block 86 to move, and the air bag pump body 1 is sealed. When the air bag pump body 1 needs to be disassembled, the exhaust valve 87 is opened, the gas in the air pressure chamber 84 will be discharged, the air pressure rod 85 and the sealing block 86 will return to their original positions without the drive of gas, and the air bag 81 will not continue to be affected. When squeezed, the airbag 81 will allow external gas to enter its interior through the air inlet pipe 82, so that it will restore its expanded state and be convenient for next use. It is very practical. When the sealing block 86 moves, the sealing block 86 will drive the connecting rod 91 and the friction block 92 to move. The friction block 92 will slide in the friction groove opened on the friction guide rail 93 to generate friction resistance, slowing down the movement speed of the sealing block 86, and can effectively prevent the two sealing blocks 86 from moving at a fast speed and touching each other to cause damage, resulting in poor sealing effect, thereby further enhancing the practicality of the entire device.

[0037] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A bellows pump sealing device, comprising a bellows pump body (1), characterized in that: The bellows pump body (1) is provided with a bladder body (2) inside, a piston (3) is provided on the top of the bladder body (2), a piston rod (4) is provided on the top of the piston (3), a fixing plate (5) is fixedly connected to the upper end of the bellows pump body (1), a support rod (6) is provided on the fixing plate (5), a connecting plate (7) is fixedly connected to the top of the support rod (6), and a sealing assembly (8) and a speed reduction device (9) are provided on the bellows pump body (1); The sealing assembly (8) comprises an air bag (81), the bottom of the air bag (81) is fixedly connected to an air inlet pipe (82) and an air supply pipe (83), the bottom of the air supply pipe (83) is fixedly connected to an air pressure chamber (84), the side of the air pressure chamber (84) is slidably connected to an air pressure rod (85), a side of the air pressure rod (85) away from the air pressure chamber (84) is fixedly connected to a sealing block (86), and a side of the air pressure chamber (84) away from the air pressure rod (85) is provided with an exhaust valve (87).

2. A bellows pump sealing device according to claim 1, characterized in that: The piston (3) is slidably connected to the interior of the bellows pump body (1), and the top of the connecting plate (7) is fixedly connected to an air bag (81).

3. A bellows pump sealing device according to claim 2, characterized in that: The air pressure cabin (84) is fixedly connected to both sides of the top of the fixing plate (5), and the two air pressure cabins (84) are arranged in a symmetrical state.

4. A bellows pump sealing device according to claim 3, characterized in that: The sealing block (86) is made of metal steel with strong sealing properties, and the size of the two sealing blocks (86) when fitted together is adapted to the size of the bellows pump body (1).

5. A bellows pump sealing device according to claim 4, characterized in that: The deceleration device (9) comprises a connecting rod (91), the bottom of which is fixedly connected to a friction block (92), and the friction block (92) is arranged on the inner side of a friction guide rail (93).

6. A bellows pump sealing device according to claim 5, characterized in that: The shape of the connecting rod (91) is set to be L-shaped, and the side of the connecting rod (91) away from the friction block (92) is fixedly connected to the sealing block (86).

7. A bellows pump sealing device according to claim 6, characterized in that: The friction block (92) is made of rubber with strong friction force. The friction guide rail (93) is fixedly connected to the top of the fixed plate (5). A friction groove is provided on the friction guide rail (93).

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