CN221169945U

CN221169945U - Handheld pneumatic pump

Info

Publication number: CN221169945U
Application number: CN202322794456.7U
Authority: CN
Inventors: 陈良; 陈志鹏
Original assignee: Hubei Kehang Measurement And Testing Co ltd
Current assignee: Hubei Kehang Measurement And Testing Co ltd
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-06-18
Anticipated expiration: 2033-10-18

Abstract

The utility model relates to the technical field of pneumatic pumps, and discloses a handheld pneumatic pump which comprises a pump body, wherein connecting branch pipes are communicated with two sides of the pump body, an air reservoir is communicated with one side, connected with the connecting branch pipes, of the pump body, one end of the air reservoir is fixedly connected with a support, connecting screw rods are arranged on the lower surface of the support and the lower surfaces of two groups of connecting branch pipes, and the lower ends of the connecting screw rods are detachably connected with a stabilizing assembly; the stabilizing assembly includes a support column; through the cooperation between stable subassembly and the connecting bolt, be convenient for adsorb the pneumatic pump on the platform through the sucking disc of support column lower extreme to through twisting the interval of moving between pitch adjustment screw rod regulation piston plate and the connecting channel, and then adjust the pressure in connecting channel and the pressure regulating room, make the sucking disc tightly adsorb on the platform through pressure difference, thereby improve the stability of using the pneumatic pump, improve the precision of check-up efficiency and check-up.

Description

Handheld pneumatic pump

Technical Field

The utility model relates to the technical field of pneumatic pumps, in particular to a handheld pneumatic pump.

Background

The pneumatic booster pump is driven by low-pressure gas at the large-area piston end to generate high-pressure fluid at the small-area piston end, so that the pneumatic booster pump can be used for compressing air and other gases, and the output air pressure can be regulated steplessly through the driving air pressure;

In the prior art, bulletin number: the Chinese summary of CN216429862U discloses a portable pneumatic pump, which comprises a joint seat, a pump body and a fine adjustment mechanism, wherein the joint seat comprises a beam which is transversely arranged, an air passage is arranged in the beam, joints are arranged at the two ends of the beam, and the joints are communicated with the air passage; the pump body is fixedly arranged on one side of the joint seat, the pump body comprises a pump cavity arranged on the pump body, the pump cavity is communicated with the air channel, an air inlet and an air outlet which are communicated with the pump cavity in one direction are arranged on the pump body, a first plug rod is arranged in the pump cavity, and a hand pressing rod is rotatably arranged at the upper end of the pump body and is in transmission connection with the hand pressing rod; the fine tuning mechanism is connected to one side of the pump body and comprises a piston cylinder, the piston cylinder is communicated with the pump cavity, and a second plug rod capable of being pushed in a rotating mode is arranged in the piston cylinder. According to the utility model, the quick pressure supply can be realized through the cooperation of the hand press rod and the first plug rod, the pressure supply fine adjustment can be realized through the rotary pushing mode of the second plug rod, the pressure adjustment range is greatly improved through the cooperation of the two structures, and the precision is further improved;

In order to improve the stability of the pneumatic pump when using, the pneumatic pump needs to be manually pressed when using the hand lever and the fine adjustment screw rod, and then the calibration work is performed, if the pneumatic pump is not pressed, the whole pneumatic pump can deviate and shake, the precision of calibration such as a pressure gauge is influenced, and the operation is inconvenient, so that the hand-held pneumatic pump is required to be provided.

Disclosure of utility model

The utility model aims to provide a handheld pneumatic pump, which is characterized in that a plurality of detachable stabilizing mechanisms are added on the pneumatic pump, so that the stability of the pneumatic pump during verification is improved, the manual pressing of the stable pneumatic pump is avoided, the verification efficiency and the verification accuracy are improved, and the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the handheld pneumatic pump comprises a pump body, wherein connecting branch pipes are communicated with two sides of the pump body, an air storage cylinder is communicated with one side, connected with the connecting branch pipes, of the pump body, one end of the air storage cylinder is fixedly connected with a support, connecting screw rods are arranged on the lower surface of the support and the lower surfaces of the two groups of connecting branch pipes, and a stabilizing assembly is detachably connected with the lower ends of the connecting screw rods;

The stabilizing assembly comprises a supporting column, a connecting screw hole for connecting screw threads is formed in the upper surface of the supporting column, a sucker is arranged on the lower surface of the supporting column, a connecting channel communicated with the sucker is formed in the lower surface of the supporting column, a pressure regulating chamber is communicated with the top of the connecting channel, an adjusting screw hole is formed in the outer side of the supporting column, a distance regulating screw is connected with the inner threads of the adjusting screw hole, a piston plate is fixedly connected to one end of the distance regulating screw, and the outer side of the piston plate is in sliding connection with the inner wall of the pressure regulating chamber.

Preferably, one side of the pump body is provided with a stop valve, the other side of the pump body is provided with a pressure relief valve, and the stop valve and the pressure relief valve are symmetrically arranged.

Preferably, the upper surface of the pump body is communicated with an exhaust knob, and the lower surface of the pump body is communicated with a filter.

Preferably, one end of the upper surface of one group of connecting branch pipes is provided with a first pressure output port, and one end of the upper surface of the other group of connecting branch pipes is provided with a second pressure output port.

Preferably, a fine adjustment screw is connected to one side of the support in a threaded manner, and the lower surfaces of the support and the lower surfaces of the two groups of connecting branch pipes are arranged on the same plane.

Preferably, one end of the upper surface of the pump body is fixedly connected with a hinged support, the hinged support is hinged with a hand pressing rod through a fixing pin, and one end of the outer side of the hand pressing rod is hinged with a valve rod.

Preferably, the length of the hand pressing rod is smaller than that of the air cylinder, and the length of the adjusting rod of the fine adjusting screw is smaller than the distance between the axis of the air cylinder and the sucker.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the pneumatic pump is conveniently adsorbed on the platform through the sucker at the lower end of the supporting column mainly through the cooperation between the stabilizing assembly and the connecting bolt, and the distance between the piston plate and the connecting channel is adjusted through screwing the distance adjusting screw, so that the pressure in the connecting channel and the pressure adjusting chamber is adjusted, the sucker is tightly adsorbed on the platform through the pressure difference, and therefore, the stability of using the pneumatic pump is improved, and the verification efficiency and the verification accuracy are improved.

Drawings

FIG. 1 is a schematic diagram of the overall front view of the present utility model;

FIG. 2 is a schematic diagram of the overall bottom view structure of the present utility model;

FIG. 3 is a schematic view of a stabilizing assembly according to the present utility model.

In the figure: 1. a pump body; 2. an air cylinder; 3. a support; 4. fine tuning the screw; 5. a connecting screw; 6. a stabilizing assembly; 61. a support column; 62. a connecting screw hole; 63. a suction cup; 64. a connection channel; 65. a pressure regulating chamber; 66. adjusting the screw hole; 67. a distance adjusting screw; 68. a piston plate; 7. a connecting branch pipe; 8. a first pressure outlet; 9. a second pressure outlet; 10. a hinged support; 11. a hand lever; 12. a valve stem; 13. a stop valve; 14. a pressure release valve; 15. a gas discharge knob; 16. and (3) a filter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the handheld pneumatic pump comprises a pump body 1, wherein two sides of the pump body 1 are respectively communicated with a connecting branch pipe 7, one side, connected with the connecting branch pipes 7, of the pump body 1 is communicated with an air reservoir 2, one end of the air reservoir 2 is fixedly connected with a support 3, the lower surfaces of the support 3 and the lower surfaces of the two groups of connecting branch pipes 7 are respectively provided with a connecting screw 5, and the lower ends of the connecting screws 5 are detachably connected with a stabilizing assembly 6;

The stabilizing assembly 6 comprises a support column 61, a connecting screw hole 62 for connecting the screw rod 5 in a threaded mode is formed in the upper surface of the support column 61, a sucker 63 is arranged on the lower surface of the support column 61, a connecting channel 64 communicated with the sucker 63 is formed in the lower surface of the support column 61, a pressure regulating chamber 65 is communicated with the top of the connecting channel 64, an adjusting screw hole 66 is formed in the outer side of the support column 61, a distance regulating screw rod 67 is connected with the inner thread of the adjusting screw hole 66 in a threaded mode, a piston plate 68 is fixedly connected to one end of the distance regulating screw rod 67, and the outer side of the piston plate 68 is in sliding connection with the inner wall of the pressure regulating chamber 65.

One side of the pump body 1 is provided with a stop valve 13, the other side of the pump body 1 is provided with a relief valve 14, the stop valve 13 and the relief valve 14 are symmetrically arranged, the pressure is increased or decreased in a small range through a fine adjustment screw 4, the pressure is locked when the pressure is unstable through the stop valve 13, the relief valve 14 is closed when the pressure is applied, and the pressure value is ensured to be stable when the pressure is applied.

The upper surface of the pump body 1 is communicated with an exhaust knob 15, the lower surface of the pump body 1 is communicated with a filter 16, inert gas is conveniently added into the air reservoir 2 through the exhaust knob 15, and meanwhile, the filter 16 can remove impurities in the air.

One end of the upper surface of one group of connecting branch pipes 7 is provided with a first pressure output port 8, and one end of the upper surface of the other group of connecting branch pipes is provided with a second pressure output port 9, so that the standard meter and the inspected meter can be conveniently connected through the first pressure output port 8 and the second pressure output port 9.

One side threaded connection of support 3 has fine setting screw 4, and the lower surface of support 3 sets up at the coplanar with the lower surface of two sets of connecting branch pipes 7, is convenient for carry out the small scale to the pressure in the gas receiver 2 and adjusts through fine setting screw 4, improves the accuracy of verification.

The upper surface one end fixedly connected with hinge 10 of pump body 1, and hinge 10 articulates through the fixed pin has hand depression bar 11, and the one end in the hand depression bar 11 outside articulates has valve rod 12, drives valve rod 12 through hand depression bar 11 and pressurizes, has improved pressurization efficiency.

The length of the hand pressing rod 11 is smaller than that of the air cylinder 2, the length of the adjusting rod of the fine adjusting screw 4 is smaller than the distance between the axis of the air cylinder 2 and the sucker 63, the air cylinder is convenient to use, and the limitation that the use is increased due to overlong adjusting rod of the fine adjusting screw 4 is avoided.

When the device is used, the pneumatic pump is placed on the platform, downward force is applied to the pneumatic pump, the sucking disc 63 adsorbs the platform, the distance adjusting screw rods 67 of the stabilizing assemblies 6 are rotated, the distance adjusting screw rods 67 drive the piston plates 68 to move in the pressure adjusting chambers 65, so that the pressure in the pressure adjusting chambers 65 communicated with the connecting channels 64 is reduced, the sucking disc 63 is tightly adsorbed on the platform under the action of pressure difference, the stability of the pneumatic pump is convenient for workers to rotate the fine adjusting screw rods 4 and the hand pressing rods 11, and the verification efficiency is improved.

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 can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a handheld pneumatic pump, includes the pump body (1), its characterized in that: the two sides of the pump body (1) are respectively communicated with a connecting branch pipe (7), one side, connected with the connecting branch pipes (7), of the pump body (1) is communicated with an air reservoir (2), one end of the air reservoir (2) is fixedly connected with a support (3), the lower surfaces of the support (3) and the lower surfaces of the two groups of connecting branch pipes (7) are respectively provided with a connecting screw rod (5), and the lower ends of the connecting screw rods (5) are detachably connected with a stabilizing assembly (6);

the stabilizing assembly (6) comprises a supporting column (61), a connecting screw hole (62) for connecting a screw rod (5) in threaded connection is formed in the upper surface of the supporting column (61), a sucker (63) is arranged on the lower surface of the supporting column (61), a connecting channel (64) communicated with the sucker (63) is formed in the lower surface of the supporting column (61), a pressure regulating chamber (65) is communicated with the top of the connecting channel (64), an adjusting screw hole (66) is formed in the outer side of the supporting column (61), a distance regulating screw rod (67) is connected with an inner thread of the adjusting screw hole (66), a piston plate (68) is fixedly connected to one end of the distance regulating screw rod (67), and the outer side of the piston plate (68) is in sliding connection with the inner wall of the pressure regulating chamber (65).

2. A hand-held pneumatic pump according to claim 1, wherein: one side of the pump body (1) is provided with a stop valve (13), the other side of the pump body (1) is provided with a pressure relief valve (14), and the stop valve (13) and the pressure relief valve (14) are symmetrically arranged.

3. A hand-held pneumatic pump according to claim 1, wherein: the upper surface of the pump body (1) is communicated with an exhaust knob (15), and the lower surface of the pump body (1) is communicated with a filter (16).

4. A hand-held pneumatic pump according to claim 1, wherein: one end of the upper surface of one group of connecting branch pipes (7) is provided with a first pressure output port (8), and one end of the upper surface of the other group of connecting branch pipes is provided with a second pressure output port (9).

5. A hand-held pneumatic pump according to claim 1, wherein: one side threaded connection of support (3) has fine setting screw rod (4), the lower surface of support (3) sets up at the coplanar with the lower surface of two sets of connecting branch pipes (7).

6. The hand-held pneumatic pump of claim 5, wherein: the pump body is characterized in that one end of the upper surface of the pump body (1) is fixedly connected with a hinged support (10), the hinged support (10) is hinged with a hand pressing rod (11) through a fixing pin, and one end of the outer side of the hand pressing rod (11) is hinged with a valve rod (12).

7. The hand-held pneumatic pump of claim 6, wherein: the length of the hand pressing rod (11) is smaller than that of the air cylinder (2), and the length of the adjusting rod of the fine adjusting screw rod (4) is smaller than the distance between the axis of the air cylinder (2) and the sucker (63).