Air bag manometer

Abstract

The utility model discloses a kind of air bag manometer, including barometer and connector, barometer is by handle, air inlet pipe, outlet head and dial plate, air inlet pipe is connected with air pump, outlet head is communicated with connector by connecting pipe.Joint includes through pipe, pedestal, plug and valve core assembly, valve core assembly is by sealing disc, sealing ring, limit slot, top core column, threaded rod and knob head, top core column front end is equipped with taper head, threaded rod is passed through through pipe and is connected with knob head, knob head is equipped with first anti-skid groove outside.The connecting cap is sleeved in the end of through pipe, and the inner side is equipped with connecting thread and retaining ring, the outer side is equipped with second anti-skid groove, and the retaining ring is attached with the retaining ring outside through pipe.Using, by rotating knob head, top core column is opened to complete inflation by inflating nozzle valve core, after inflation is completed, knob head is reversed to make top core column reset, valve core is closed under the action of elasticity, ensure that gas is not leaked when joint is disassembled.

Description

Technical Field

[0001] This utility model belongs to the field of gas pressure detection technology, specifically relating to an airbag pressure gauge. Background Technology

[0002] Currently, the inflation and pressure testing of airbags or similar gas storage devices typically requires connecting a pressure gauge to the inflation nozzle, then using an air pump to input gas and read the pressure value on the gauge. Existing connection methods mostly involve directly fitting or pressing the connector onto the inflation nozzle, relying on a sealing structure to achieve an airtight seal. However, some problems still exist in practical use.

[0003] Firstly, when the operator needs to disassemble the connector after inflation, in common designs, the valve core may fail to close promptly or seal properly at the moment of separation from the inflation nozzle, leading to partial gas leakage. This not only causes a drop in air pressure but also affects the accuracy of the test results. Secondly, during operation, if the internal seal of the connector is insufficient, gas leakage can easily occur during inflation, reducing inflation efficiency and posing certain safety hazards. Thirdly, some existing pressure gauge connectors lack an effective valve core pressing and reset structure, making it impossible for the operator to accurately control the timing of valve core opening and closing, thus increasing inconvenience in use. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of this utility model is to provide an airbag pressure gauge that can stably open the valve core during inflation and close the valve core in time after inflation is completed. At the same time, it prevents gas from leaking out of the air nozzle when disassembling the connector, thereby improving the safety of operation and the accuracy of air pressure measurement.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An airbag pressure gauge includes a pressure gauge, the pressure gauge includes a handle, an air outlet is provided at the top of the handle, and an air inlet is provided at the tail end of the handle.

[0007] The air inlet pipe is connected to the air pump, and the air outlet head is connected to a connecting pipe, one end of which is connected to a connector;

[0008] When in use, connect the connector to the inflation nozzle;

[0009] The connector includes a through pipe, one end of which is rotatably connected to a connecting cap, and a valve core assembly is provided inside the through pipe. The valve core assembly is used to regulate the connection status of the inflation nozzle.

[0010] Furthermore, the valve core assembly includes a sealing disc, on which a sealing ring is fitted, and the sealing ring is attached to the inner wall of the through pipe;

[0011] The sealing disc has a top core column on the side near the air inlet, and a threaded rod on the other side of the sealing disc.

[0012] Furthermore, one end of the tube is provided with a threaded hole, through which the threaded rod passes;

[0013] Rotating the threaded rod allows the mandrel to move within the tube.

[0014] Furthermore, a cone-shaped head is provided at one end of the top core column.

[0015] Furthermore, the other end of the threaded rod is provided with a knob head, and the outer surface of the knob head is provided with a first anti-slip groove.

[0016] Furthermore, a limiting groove is formed on the outer side of the sealing disc.

[0017] Furthermore, a retaining ring is provided on the outer side of the other end of the tube, a connecting thread is provided on the inner side of the connecting cap, and a retaining ring is provided inside one end of the connecting cap, with the retaining ring fitting against the retaining ring; a second anti-slip groove is provided on the outer side of the connecting cap.

[0018] Furthermore, the outer side of the tube is provided with a base that communicates with the tube, and one end of the base is provided with a plug that is connected to the connecting tube.

[0019] Furthermore, one end of the barometer is provided with a dial, and the back of one end of the barometer is provided with a hook.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] This invention, by incorporating a threaded rod, a top core, and a cone head in the connector structure, ensures that the top core stably presses against the inflation valve core when the operator rotates the knob, guaranteeing reliable valve core opening during inflation and allowing gas to smoothly enter the air bladder. Compared to existing technologies where connector structures cannot effectively control the valve core's state, this structure achieves precise valve core opening and closing through threaded transmission, improving operational stability and reliability.

[0022] This invention, by incorporating a sealing disc, a sealing ring, and a limiting groove inside the through-tube, ensures the sealing disc is stably positioned within the tube, and the sealing ring remains in contact with the inner wall of the tube, effectively preventing gas leakage during inflation. This structure solves the problem of gas overflow caused by insufficient sealing in the prior art, ensuring inflation efficiency while improving the accuracy of air pressure measurement.

[0023] After inflation, this invention allows the operator to easily separate the top core from the valve core by simply rotating the knob in the opposite direction. The valve core then promptly resets and closes under the action of its elasticity, thus preventing gas leakage from the nozzle during connector removal. This solution overcomes the shortcomings of existing technologies where gas leakage during connector separation affects pressure maintenance and operational safety, achieving complete gas sealing during connector removal. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the barometer of this utility model;

[0026] Figure 3 This is a schematic diagram of the connector structure of this utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the conduit of this utility model;

[0028] Figure 5 This is a schematic diagram of the valve core assembly of this utility model;

[0029] Figure 6 This is a schematic diagram of the connecting cap of this utility model.

[0030] The attached diagram lists the components represented by each number as follows:

[0031] 1. Barometer; 11. Handle; 111. Inlet pipe; 12. Exit head; 13. Dial; 14. Hook;

[0032] 2. Connecting pipe;

[0033] 3. Connector;

[0034] 31. Through pipe; 311. Retaining ring; 312. Threaded hole; 32. Base; 321. Plug; 33. Valve core assembly; 331. Sealing disc; 3311. Limiting groove; 332. Top core column; 3321. Cone head; 333. Threaded rod; 334. Knob head; 3341. First anti-slip groove; 335. Sealing ring;

[0035] 34. Connecting cap; 341. Connecting thread; 342. Retaining ring; 343. Second anti-slip groove. Detailed Implementation

[0036] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0037] Example 1:

[0038] See Figure 1-6 An airbag pressure gauge includes a pressure gauge 1, which has a handle 11. The top of the handle 11 has an air outlet 12, and the bottom of the handle 11 has an air inlet pipe 111. The air inlet pipe 111 is connected to an air pump to stably provide air during inflation. A connecting pipe 2 is connected to the air outlet 12, and one end of the connecting pipe 2 is connected to a connector 3. The connector 3 is connected to the inflation nozzle during use to ensure smooth airflow into the airbag. The connector 3 includes a through pipe 31, one end of which is rotatably connected to a connecting cap 34. The connecting cap 34 is connected via an inner connecting thread 34. The retaining ring 311 on the outside of the connecting pipe 31 cooperates with the retaining ring 311 on the inside, and the retaining ring 342 on the inside can fit with the retaining ring 311 when tightened, ensuring that the connector 3 is stable and tight during installation; the outer side of the connecting cap 34 is provided with a second anti-slip groove 343 to enhance the friction force when the operator tightens or disassembles; the inside of the connecting pipe 31 is provided with a valve core assembly 33, which is used to regulate the connection state of the inflation nozzle and prevent gas leakage due to premature disassembly or poor sealing during inflation. This can solve the technical problem of gas leakage when disassembling the connector that is common in the background art.

[0039] See Figure 1-5 The valve core assembly 33 includes a sealing disc 331. A limiting groove 3311 is formed on the outer side of the sealing disc 331, which forms a stable position within the through pipe 31 to prevent the sealing disc 331 from shifting under the impact of airflow. A sealing ring 335 is fitted on the sealing disc 331, which fits against the inner wall of the through pipe 31, keeping the inside of the through pipe 31 sealed during inflation or pressure testing, thus avoiding the gas leakage problem caused by insufficient sealing as described in the background art. A top core column 332 is provided on the side of the sealing disc 331 near the inflation nozzle. The top core column 332 can move back and forth under the drive of the threaded drive, which plays the role of pressing the inflation nozzle valve core. A threaded rod 333 is provided on the other side of the sealing disc 331. The threaded rod 333 passes through the threaded hole 312 of the through pipe 31, and can drive the top core column 332 to move back and forth by rotation, thereby precisely controlling the opening and closing of the valve core.

[0040] See Figure 3-5 One end of the through pipe 31 is provided with a threaded hole 312, which cooperates with the threaded rod 333, allowing the threaded rod 333 to rotate stably within the through pipe 31. Rotating the threaded rod 333 allows the top core column 332 to move back and forth within the through pipe 31. During the inflation process, the top core column 332 moves forward and opens the valve core. After inflation is completed, the top core column 332 retracts to reset the valve core, ensuring that the gas will not leak when the connector 3 is removed. This solves the defect in the prior art where the gas is easy to leak during the separation process.

[0041] See Figure 5 One end of the top core column 332 is provided with a cone head 3321. During the movement, the cone head 3321 can press against the inflation nozzle valve core and form a tight contact, thereby realizing the reliable opening of the valve core. At the same time, it can quickly separate when retracting, ensuring that the valve core closes tightly when resetting, avoiding gas leakage, and improving the safety of inflation operation and the accuracy of pressure measurement.

[0042] See Figure 5 The other end of the threaded rod 333 is provided with a knob head 334. The outer surface of the knob head 334 is provided with a first anti-slip groove 3341. The first anti-slip groove 3341 enhances the rotational friction during operation, enabling the operator to control the rotation of the threaded rod 333 more precisely, avoiding the situation where the valve core is not opened or closed in time due to slippage, thereby improving the problem of inconvenient control in the prior art.

[0043] See Figure 5 A limiting groove 3311 is provided on the outer side of the sealing disc 331. The limiting groove 3311 can form an effective positioning inside the through pipe 31, so that the relative position between the sealing disc 331 and the through pipe 31 remains stable, further improving the overall sealing performance and safety.

[0044] See Figure 4-6 A retaining ring 311 is provided on the outer side of the other end of the tube 31. The retaining ring 311 fits against the retaining ring 342 inside the connecting cap 34 to ensure reliable limiting and sealing when tightened. A connecting thread 341 is provided on the inner side of the connecting cap 34. The connecting thread 341 cooperates with the tube 31 to achieve detachable installation. A second anti-slip groove 343 is provided on the outer side of the connecting cap 34. The second anti-slip groove 343 makes it easy for the operator to rotate the connector 3 in reverse after inflation, thereby avoiding gas leakage caused by inconvenient operation as described in the background art.

[0045] See Figure 1-3 The outer side of the tube 31 is provided with a base 32 that is in communication with the tube 31. One end of the base 32 is provided with a plug 321, which is connected to the connecting tube 2, so that the gas can be smoothly transmitted during the flow process and avoid the problem of gas leakage caused by the loose interface. The base 32 provides a stable support for the tube 31 during installation to ensure the stability of the gas flow channel.

[0046] See Figure 1-2 One end of the pressure gauge 1 is equipped with a dial 13, which is used to display the real-time pressure value, ensuring that the operator can intuitively grasp the inflation status; a hook 14 is provided on the back of one end of the pressure gauge 1, which is used to hang and fix it during use or storage, improving the portability and applicability of the device, thereby making up for the shortcomings of the pressure measuring device in the background technology in terms of inconvenience in operation and storage.

[0047] Example 2:

[0048] See Figure 1-6 This embodiment provides an airbag pressure gauge. In specific use, the pressure gauge 1 is first connected to the air pump through the air inlet pipe 111. One end of the air inlet pipe 111 is connected to the tail end of the handle 11, and the other end is connected to the air outlet of the air pump to ensure a stable air source input. The top of the handle 11 is provided with an air outlet 12, which is connected to the connecting pipe 2. One end of the connecting pipe 2 is fixedly connected to the connector 3 to provide a transmission channel for subsequent inflation.

[0049] At the start of the inflation operation, the operator first screws the connecting cap 34 of the connector 3 onto the inflation nozzle. The connecting cap 34 engages with the retaining ring 311 on the outside of the tube 31 through the inner connecting thread 341. The inner retaining ring 342 fits tightly with the retaining ring 311. The second anti-slip groove 343 on the outside makes the tightening process more stable, ensuring a reliable seal between the connector 3 and the inflation nozzle.

[0050] Subsequently, the operator rotates the knob head 334 clockwise. The outer surface of the knob head 334 is provided with a first anti-slip groove 3341 to increase the operating friction and prevent rotation slippage. The knob head 334 drives the threaded rod 333 to advance in the threaded hole 312 at one end of the tube 31. The threaded transmission drives the top core column 332 to move forward step by step. The cone head 3321 at the front end of the top core column 332 contacts the valve core inside the inflation nozzle and gradually pushes open the valve core to realize the opening of the inflation nozzle. During this process, the sealing disc 331 inside the valve core assembly 33 remains inside the tube 31, and the limiting groove 3311 on the outside forms a limit with the tube 31 to ensure that the sealing disc 331 does not shift due to the impact of airflow. The sealing ring 335 sleeved on the sealing disc 331 is tightly attached to the inner wall of the tube 31 to effectively prevent gas leakage.

[0051] When the valve core is opened, gas enters the air inlet pipe 111 through the air pump, flows into the handle 11, then enters the connecting pipe 2 through the air outlet 12, flows into the base 32 through the plug 321, and finally enters the inflation nozzle through the through pipe 31 to inflate the airbag. At this time, the dial 13 of the pressure gauge 1 displays the pressure value in real time, which makes it easy for the operator to observe the inflation status. The hook 14 is set on the back of the pressure gauge 1, which can be hung and fixed when needed to improve the convenience of operation.

[0052] After inflation is complete, the operator turns the knob head 334 counterclockwise, causing the threaded rod 333 to retract within the threaded hole 312, which in turn moves the top core 332 away from the inflation nozzle valve core. The inflation nozzle valve core quickly resets and closes under its own elastic force, ensuring that no more gas leaks out. At this time, the connector 3 remains connected to the inflation nozzle, and the gas is completely sealed inside the airbag. Then, the operator loosens the connecting cap 34, and with the help of the disengagement of the connecting thread 341 from the retaining ring 311, the connector 3 is successfully separated from the inflation nozzle. Since the valve core has been closed in advance, no gas leaks will occur during the removal of the connector 3, avoiding the common gas leakage problems in the background art.

[0053] The working principle of this utility model is as follows:

[0054] In use, first screw the connecting cap 34 onto the inflation nozzle, then turn the knob head 334 clockwise. The knob head 334 drives the threaded rod 333 to rotate and advance within the threaded hole 312 of the through pipe 31, causing the top core column 332 to move forward. The cone head 3321 at the front end of the top core column 332 presses against the valve core of the inflation nozzle, thereby opening it and allowing gas to enter the inflation nozzle through the inlet pipe 111, outlet head 12, connecting pipe 2, plug 321, and through pipe 31, completing the inflation process. At this time, the sealing disc 331, together with the sealing ring 335, always fits against the inner wall of the through pipe 31, ensuring the airtightness of the gas during the flow process.

[0055] After inflation is complete, the operator turns the knob head 334 counterclockwise, causing the threaded rod 333 to retract the top core 332, separating it from the inflation nozzle valve core. At this point, the inflation nozzle valve core automatically closes under its own elastic force, preventing gas leakage. The operator then loosens the connecting cap 34, using the connecting thread 341 on the inner side of the connecting cap 34 to disengage from the retaining ring 311 on the outside of the tube 31, finally removing the connector 3 from the inflation nozzle. Because the valve core has already closed, gas will not leak from the nozzle during the removal of the connector 3, thus ensuring the safety and sealing of the operation.

[0056] Through the above-mentioned coordination, the device can effectively prevent gas from escaping during the inflation and disconnection of connector 3, thereby improving the safety and reliability of pressure measurement and inflation operations.

[0057] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. An airbag pressure gauge, characterized in that: Includes a barometer (1), the barometer (1) includes a handle (11), the top of the handle (11) is provided with an air outlet (12), and the tail end of the handle (11) is provided with an air inlet pipe (111). The air inlet pipe (111) is connected to the air pump, and the air outlet (12) is connected to the connecting pipe (2), one end of which is connected to the connector (3); When in use, the connector (3) is connected to the inflation nozzle; The connector (3) includes a through pipe (31), one end of which is rotatably connected to a connecting cap (34), and a valve core assembly (33) is provided inside the through pipe (31). The valve core assembly (33) is used to regulate the connection state of the air inlet.

2. The airbag pressure gauge according to claim 1, characterized in that: The valve core assembly (33) includes a sealing disc (331), and a sealing ring (335) is fitted on the sealing disc (331). The sealing ring (335) is attached to the inner wall of the through pipe (31). The sealing disc (331) has a top core column (332) on the side where the air inlet is located, and a threaded rod (333) is provided on the other side of the sealing disc (331).

3. The airbag pressure gauge according to claim 2, characterized in that: One end of the through pipe (31) is provided with a threaded hole (312), and the threaded rod (333) passes through the threaded hole (312); Rotating the threaded rod (333) allows the top core (332) to move within the through pipe (31).

4. The airbag pressure gauge according to claim 3, characterized in that: A cone (3321) is provided at one end of the top core column (332).

5. The airbag pressure gauge according to claim 3, characterized in that: The other end of the threaded rod (333) is provided with a knob head (334), and the outer surface of the knob head (334) is provided with a first anti-slip groove (3341).

6. The airbag pressure gauge according to claim 2, characterized in that: A limiting groove (3311) is provided on the outer side of the sealing disc (331).

7. The airbag pressure gauge according to claim 1, characterized in that: A retaining ring (311) is provided on the outer side of the other end of the tube (31), a connecting thread (341) is provided on the inner side of the connecting cap (34), and a retaining ring (342) is provided inside one end of the connecting cap (34), the retaining ring (342) is in contact with the retaining ring (311); a second anti-slip groove (343) is provided on the outer side of the connecting cap (34).

8. The airbag pressure gauge according to claim 1, characterized in that: The outer side of the tube (31) is provided with a base (32) that is in communication with the tube (31). One end of the base (32) is provided with a plug (321) that is connected to the connecting tube (2).

9. The airbag pressure gauge according to claim 1, characterized in that: One end of the barometer (1) is provided with a dial (13), and a hook (14) is provided on the back of one end of the barometer (1).

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