CN219366286U

CN219366286U - Portable automatic testing device for inflating pump

Info

Publication number: CN219366286U
Application number: CN202320718117.8U
Authority: CN
Inventors: 周加铭; 朱兵友; 赖亲邻
Original assignee: Shenzhen Chengke Technology Co ltd
Current assignee: Shenzhen Chengke Technology Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-18
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a portable automatic testing device for an inflating pump, which is provided with a testing box, wherein a handle is fixed at the top of the testing box; the air inlet nozzle is fixed on the side face of the test box, and an air outlet is formed in the edge of the top of the test box; comprising the following steps: the piston plate is movably arranged in the test box, a limiting plate is fixed on the test box at the side of the piston plate, a gear is meshed above the rack, a movable shaft is fixedly penetrated in the gear, and a pointer is arranged at the end part of the movable shaft; the fixed cylinder is fixed in the test box, a traction rope penetrates through the top of the fixed cylinder, and a piston block is fixed at the other end of the traction rope. This portable pump automatic testing device, pointer rotation back can keep stability after aerifing, and then conveniently look over the pressure value to can guarantee testing arrangement's stability, prevent to rock the phenomenon that removes because of the impulsive force is too big and cause the device, guarantee that the test normally goes on.

Description

Portable automatic testing device for inflating pump

Technical Field

The utility model relates to the technical field of inflation pump testing, in particular to a portable automatic inflation pump testing device.

Background

The inflating pump is equipment for realizing inflation by running the motor, so that in order to ensure that the pressure value of the inflating pump is in a standard value when the inflating pump is inflated, the inflating pump is required to be detected by using a corresponding testing device, for example, an air pump performance testing device with a publication number of CN209569152U comprises a transparent sealing tank, and the problems that the structure of the conventional air pump performance testing device is complex, the experimental process is complicated, the production cost is high and the like are solved. However, the air pump performance testing device still has the following defects in the actual use process:

the above-mentioned testing arrangement has realized the detection to the inflating pump, but the pointer motion of test inflating pump pressure value is unstable, and after stopping inflating or gas leakage, the pointer can the quick gyration lead to unable in time looking over the pressure value to when inflating the detection, can cause testing arrangement to remove the phenomenon of rocking because of the impulsive force is too big, and then influence normal detection, lack stable limit structure, to above-mentioned problem, the urgent need carries out innovative design on original inflating pump testing arrangement's basis.

Disclosure of Invention

The utility model aims to provide a portable automatic testing device for an inflating pump, which aims to solve the problems that the pointer for testing the value of the inflating pump is unstable in movement, the pointer can quickly rotate after the inflating pump is stopped or gas leaks, so that the pressure value cannot be checked in time, and in the inflation detection process, the testing device moves and shakes due to overlarge impact force, so that the normal detection is influenced, and a stable limiting structure is lacked.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the portable automatic testing device for the inflating pump is provided with a testing box, wherein a handle is fixed at the top of the testing box, and a limiting block is arranged at the top of the handle;

the air inlet nozzle is fixed on the side face of the test box, and an air outlet is formed in the edge of the top of the test box;

comprising the following steps:

the piston plate is movably arranged in the test box, a limiting plate is fixed on the test box at the side of the piston plate, a rack is arranged on the side face of the piston plate, a gear is meshed above the rack, a movable shaft is fixedly penetrated in the gear, a pointer is arranged at the end part of the movable shaft, a pressure gauge is sleeved on the outer side of the pointer, and the pressure gauge is fixed on the outer side of the test box;

the fixed cylinder is fixed in the inside of test box, the top of fixed cylinder runs through and has the tractive rope, and the one end of tractive rope is connected with the fixed ball, the other end of tractive rope is fixed with the piston piece, and the lower terminal surface of piston piece is provided with reset spring.

Preferably, the edge of the piston plate slides against the inner wall of the test box, the moving distance of the piston plate is less than 1/2 of the length of the test box, and the piston plate can be pushed to move in the test box after the gas is filled into the test box.

Preferably, the rack and the gear are in meshed connection, both ends of the movable shaft penetrate through the outside of the test box, and the movable shaft can be driven to synchronously rotate through meshed transmission between the rack and the gear.

Preferably, the traction rope and the test box are in sliding connection, the section diameter of the fixed ball on the traction rope is larger than the inner diameter of the limiting block, the traction rope can be driven to extend out of the test box after being pulled, the traction rope is clamped at the inner side of the limiting block through the fixed ball, and stability can be kept.

Preferably, the edge of the piston block closely clings to the inner wall of the fixed cylinder and slides, and a fixing hole is reserved on the test box below the piston block, so that the piston block can be driven to slide in the fixed cylinder after the traction rope is pulled.

Preferably, the bottom of the test box is fixed with a fixed box, the bottom of the fixed box is provided with a sucker, the fixed box is communicated with the fixed cylinder through a fixed hole, and when the piston block is lifted, gas in the sucker can be pumped into the fixed cylinder through the fixed box.

Compared with the prior art, the utility model has the beneficial effects that: this portable pump automatic testing device, pointer rotation back can keep stability after aerifing, and then conveniently look over the pressure value to can guarantee testing arrangement's stability, prevent to rock the phenomenon that removes because of the impulsive force is too big and cause the device, guarantee that the test normally goes on, specific content is as follows:

1. when gas is filled into the test box, the piston plate can be pushed to move and the rack can be pushed to move, and then the movable shaft can be driven to rotate through meshing transmission between the rack and the gear, so that the pressure value can be more intuitively checked through rotation of the pointer, the piston plate after movement can not move reversely, the stability of the pointer can be ensured, and the pointer can be driven to reset by subsequent reverse rotation of the movable shaft;

2. when the traction rope is pulled, the piston block can be driven to lift in the fixed cylinder, so that gas in the sucker can be pumped into the fixed box, and then enters the fixed cylinder through the fixed hole, so that the sucker is adsorbed on the tabletop in a negative pressure mode, stability of the test box is guaranteed, and the traction rope can be clamped in the limiting block through the fixed ball, and stability of the piston block is guaranteed.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of the front cross-section structure of the present utility model;

FIG. 3 is a schematic view of the front cross-section of the fixing barrel of the present utility model;

FIG. 4 is a schematic view showing the bottom structure of the fixing case of the present utility model;

fig. 5 is a schematic diagram of a back view structure of the present utility model.

In the figure: 1. a test box; 2. a handle; 3. a limiting block; 4. an air inlet nozzle; 5. a piston plate; 6. a limiting plate; 7. a rack; 8. a gear; 9. a movable shaft; 10. a pointer; 11. a pressure gauge; 12. a fixed cylinder; 13. pulling the rope; 14. a fixed ball; 15. a piston block; 16. a return spring; 17. a fixing hole; 18. a fixed box; 19. and a sucking disc.

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. 1-5, the present utility model provides a technical solution: the portable automatic testing device for the inflating pump is provided with a testing box 1, a handle 2 is fixed at the top of the testing box 1, and a limiting block 3 is arranged at the top of the handle 2; the air inlet nozzle 4 is fixed on the side surface of the test box 1, and an air outlet is arranged at the top edge of the test box 1; comprising the following steps: the piston plate 5 is movably arranged in the test box 1, a limiting plate 6 is fixed on the test box 1 at the side of the piston plate 5, a rack 7 is arranged at the side surface of the piston plate 5, a gear 8 is meshed above the rack 7, a movable shaft 9 is fixedly penetrated in the gear 8, a pointer 10 is arranged at the end part of the movable shaft 9, a pressure gauge 11 is sleeved outside the pointer 10, and the pressure gauge 11 is fixed at the outer side of the test box 1; the fixed cylinder 12 is fixed in the inside of the test box 1, the top of the fixed cylinder 12 penetrates through a traction rope 13, one end of the traction rope 13 is connected with a fixed ball 14, the other end of the traction rope 13 is fixed with a piston block 15, and the lower end face of the piston block 15 is provided with a return spring 16.

As shown in fig. 1-2 and 5, the edge of the piston plate 5 is in fit sliding with the inner wall of the test box 1, and the moving distance of the piston plate 5 is less than 1/2 of the length of the test box 1; the rack 7 and the gear 8 are in meshed connection, both ends of the movable shaft 9 penetrate through the outside of the test box 1, after gas is filled into the test box 1, the movable shaft 5 can be driven to move, the rack 7 is driven to move synchronously, the movable shaft 9 can be driven to rotate through meshed transmission between the rack 7 and the gear 8, the pointer 10 can be driven to rotate synchronously, the pressure value can be checked through different angles of the pointer 10 pointing to the pressure gauge 11, the movable piston plate 5 and the rack 7 can be kept stable, the stability of the pointer 10 after rotation is further ensured, the movable shaft 9 can be driven to restore the original position of the pointer 10 and the piston plate 5 only by reverse rotation, and the piston plate 5 can stop moving after being limited to a moving position through the limiting plate 6;

as shown in fig. 2-4, the traction rope 13 is in sliding connection with the test box 1, and the section diameter of the fixed ball 14 on the traction rope 13 is larger than the inner diameter of the limiting block 3; the edge of the piston block 15 closely clings to the inner wall of the fixed cylinder 12 and slides, and a fixed hole 17 is reserved on the test box 1 below the piston block 15; the bottom of test box 1 is fixed with fixed box 18, and sucking disc 19 is installed to the bottom of fixed box 18, and fixed box 18 communicates each other through fixed orifices 17 and fixed cylinder 12, place test box 1 back on the plane, the accessible pulling stay 13 slides on test box 1, and drive piston 15 rise, can be with the gas suction in the sucking disc 19 in fixed box 18 like this, then get into fixed cylinder 12 through fixed orifices 17, so that sucking disc 19 can be the negative pressure state and adsorb on the plane, and then guarantee the stability of test box 1, the convenience is tested the inflating pump, and the accessible fixed ball 14 card is in stopper 3 simultaneously, and then guarantee the stability after the stay 13 and piston 15 remove, after taking out stay 13 from stopper 3, can drive piston 15 through the resilience of reset spring 16 and resume the normal position.

Working principle: as shown in fig. 1-5, the suction cup 19 can be firstly used for being adsorbed on a plane so as to ensure the stability of the test box 1, then the air inlet nozzle 4 on the test box 1 can be connected with the air outlet pipeline of the inflating pump, after the air is filled into the test box 1, the piston plate 5 can be pushed to move, and then the movable shaft 9 and the pointer 10 can be driven to rotate through the meshing transmission between the rack 7 and the gear 8, so that the pressure value can be checked conveniently.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The portable automatic testing device for the inflating pump is provided with a testing box (1), a handle (2) is fixed at the top of the testing box (1), and a limiting block (3) is arranged at the top of the handle (2);

the air inlet nozzle (4) is fixed on the side surface of the test box (1), and an air outlet is formed in the top edge of the test box (1);

characterized by comprising the following steps:

the piston plate (5) is movably arranged in the test box (1), a limiting plate (6) is fixed on the test box (1) at the side of the piston plate (5), a rack (7) is arranged on the side face of the piston plate (5), a gear (8) is meshed above the rack (7), a movable shaft (9) is fixedly penetrated in the gear (8), a pointer (10) is arranged at the end part of the movable shaft (9), a pressure gauge (11) is sleeved on the outer side of the pointer (10), and the pressure gauge (11) is fixed on the outer side of the test box (1);

the fixed cylinder (12) is fixed in the inside of test box (1), the top of fixed cylinder (12) runs through and has traction rope (13), and the one end of traction rope (13) is connected with fixed ball (14), the other end of traction rope (13) is fixed with piston block (15), and the lower terminal surface of piston block (15) is provided with reset spring (16).

2. The automatic testing device for a portable inflation pump of claim 1, wherein: the edge of the piston plate (5) is attached to the inner wall of the test box (1) to slide, and the moving distance of the piston plate (5) is smaller than 1/2 of the length of the test box (1).

3. The automatic testing device for a portable inflation pump of claim 1, wherein: the rack (7) is in meshed connection with the gear (8), and both ends of the movable shaft (9) penetrate through the outside of the test box (1).

4. The automatic testing device for a portable inflation pump of claim 1, wherein: the traction rope (13) is in sliding connection with the test box (1), and the section diameter of a fixed ball (14) on the traction rope (13) is larger than the inner diameter of the limiting block (3).

5. The automatic testing device for a portable inflation pump of claim 1, wherein: the edge of the piston block (15) is tightly attached to the inner wall of the fixed cylinder (12) to slide, and a fixed hole (17) is reserved on the test box (1) below the piston block (15).

6. The automatic testing device for a portable inflation pump of claim 5, wherein: the bottom of the test box (1) is fixed with a fixed box (18), the bottom of the fixed box (18) is provided with a sucker (19), and the fixed box (18) is communicated with the fixed cylinder (12) through a fixed hole (17).