CN213209415U

CN213209415U - Air leakage checking device for automobile tire

Info

Publication number: CN213209415U
Application number: CN202022505681.0U
Authority: CN
Inventors: 刘军
Original assignee: Guangzhou Zhongren Automobile Maintenance Service Co ltd
Current assignee: Guangzhou Zhongren Automobile Maintenance Service Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-05-14
Anticipated expiration: 2030-11-03

Abstract

The utility model discloses a gas leakage inspection device for automobile tire relates to the automotive testing equipment field, and to the imperfect problem of gas leakage detection function of current automobile tire check out test set, the following scheme is proposed now, and it includes the handle, the one end of handle matches and installs the detection head, just the handle is coaxial form with the detection head, the cavity has been seted up along its axial in the handle, first circular slot has been seted up along its axial in the detection head, just install baffle, control panel and battery in the cavity, the one end that the handle was kept away from to the detection head has cup jointed the rubber ring, just the rubber ring is the intercommunication form with first circular slot, the one end that the detection head is close to the handle has seted up the thread groove, just the one end that the handle is close to the detection head is the screw thread with the thread groove and cup joints. The utility model discloses novel structure, and the device safe and reliable, simple operation and convenient maintenance, the effectual incomplete problem of gas leakage detection function of having solved current automobile tire check out test set.

Description

Air leakage checking device for automobile tire

Technical Field

The utility model relates to an automobile test equipment field especially relates to an automobile tire is with gas leakage inspection device.

Background

The automobile tire is an important part for realizing the driving function of the automobile, each parameter of the automobile tire, such as width, diameter, weight, tread, dynamic balance, tire pressure and the like, needs to be matched with the whole automobile to support the safe and comfortable driving of the automobile, most of the parameters are determined by manufacturers when the automobile leaves the factory, and only the tires with the same model parameters need to be replaced subsequently, but some parameters need to be paid attention to by the vehicle owner in real time in the using process, for example, the tire pressure of the tire is too high, the tire expansion is close to the limit, the tire burst is easy to occur in long-distance driving or high-temperature weather, however, the tire is damaged due to too low tire pressure, for example, the tire is twisted and deformed to finally cause damage in high-speed driving with low tire pressure, or the low tire pressure meets the pothole road surface and is easy to be extruded and damaged in collision and impact, so that the frequent inspection and the control of the tire pressure in a reasonable range are very important.

Most of existing tire pressure detectors only have a tire pressure monitoring function, and need to be communicated with the interior of a tire during detection, and have no policy on hidden dangers such as chronic air leakage and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of gas leakage inspection device for automobile tire has solved the incomplete problem of current automobile tire check out test set's gas leakage detection function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automobile tire is with gas leakage inspection device, includes the handle, the one end of handle matches installs and detects the head, just the handle is coaxial form with detecting the head, seted up the cavity along its axial in the handle, detect and seted up first circular slot along its axial in the head, just install baffle, control panel and battery in the cavity, the one end that detects the head and keep away from the handle has cup jointed the rubber ring, just the rubber ring is the intercommunication form with first circular slot.

Preferably, the one end that detects the head and be close to the handle has seted up the thread groove, just the one end that the handle is close to the detection head is the screw thread with the thread groove and cup joints, the handle is close to the one end that detects the head and has seted up the second circular slot, just the second circular slot runs through in the one end that detects the head and is the intercommunication form with first circular slot.

Preferably, a film is arranged between the two ends, close to each other, of the handle and the detection head, the film is in sealing connection with the handle and the detection head, the handle is located in the second circular groove, an air pressure sensor is arranged in the second circular groove, and the air pressure sensor is fixedly connected with the handle.

Preferably, the baffle is mutually perpendicular form with the handle, just the inner wall of baffle and handle is sealing connection, the battery is located the baffle and keeps away from one side of detecting the head, just the matching is provided with the panel between the two poles of the earth of battery, the control panel is located the baffle and is close to one side of detecting the head.

Preferably, the fixed pin has all been fixed to be cup jointed in one side four corners of control panel, just the fixed pin is mutually perpendicular form with the control panel, the one end that the control panel was kept away from to the fixed pin all is fixed connection with the inner wall of handle.

Preferably, the circumference outer wall of handle matches and is provided with the display screen, one side of control panel matches and is provided with the singlechip.

The utility model has the advantages that:

1. the device is different with ordinary tire pressure monitoring mode, and the device need not to communicate with the inside high-pressure environment of tire and can detect, belongs to ordinary pressure environment check out test set, uses safelyr, also consequently need not the seal structure of high strength simultaneously, only pegs graft through the rubber circle and can satisfy sealed demand, and is simple reliable.

2. The device sets up the film and separates air pressure sensor and external world, avoids pollutants such as external dust, water stain and steam to influence the sensor precision, and it is removable that the head that detects simultaneously passes through helicitic texture to it is ageing or damaged film to be convenient for change.

In conclusion, the device is safe and reliable, convenient to operate and convenient to maintain, and effectively solves the problem that the existing automobile tire detection equipment is incomplete in air leakage detection function.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a sectional view of the internal structure of the present invention.

Fig. 3 is a cross-sectional view of a-a in fig. 2 according to the present invention.

Reference numbers in the figures: 1. a handle; 2. a detection head; 3. a cavity; 4. a first circular groove; 5. a partition plate; 6. a battery; 7. a battery plate; 8. a fixing pin; 9. a control panel; 10. a single chip microcomputer; 11. A thread groove; 12. a second circular groove; 13. an air pressure sensor; 14. a film; 15. a rubber ring; 16. a display screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a gas leakage checking device for automobile tires comprises a handle 1, wherein a detection head 2 is mounted at one end of the handle 1 in a matching manner, the handle 1 and the detection head 2 are coaxial, a cavity 3 is formed in the handle 1 along the axial direction of the handle, a first circular groove 4 is formed in the detection head 2 along the axial direction of the detection head, a partition plate 5, a control plate 9 and a battery 6 are mounted in the cavity 3, a rubber ring 15 is sleeved at one end of the detection head 2 away from the handle 1, the rubber ring 15 is communicated with the first circular groove 4, a threaded groove 11 is formed at one end of the detection head 2 close to the handle 1, the one end of the handle 1 close to the detection head 2 is in threaded sleeve joint with the threaded groove 11, a second circular groove 12 is formed at one end of the handle 1 close to the detection head 2, and the second circular groove 12 penetrates through the detection head 2 and is communicated with the first circular groove 4, a film 14 is arranged between two mutually close ends of the handle 1 and the detection head 2, the film 14 is in sealing connection with the handle 1 and the detection head 2, the handle 1 is arranged in a second circular groove 12 and is fixedly connected with the handle 1, the partition plate 5 is mutually perpendicular to the handle 1, the partition plate 5 is in sealing connection with the inner wall of the handle 1, the battery 6 is arranged on one side of the partition plate 5 away from the detection head 2, a battery panel 7 is arranged between two poles of the battery 6 in a matching manner, the control panel 9 is arranged on one side of the partition plate 5 close to the detection head 2, fixing pins 8 are fixedly sleeved at four corners of one side of the control panel 9, the fixing pins 8 are mutually perpendicular to the control panel 9, and one ends of the fixing pins 8 away from the control panel 9 are fixedly connected with the inner wall of the handle 1, the circumference outer wall of handle 1 matches and is provided with display screen 16, one side of control panel 9 matches and is provided with singlechip 10.

The working principle is as follows: the battery plate 7 of the device has the functions of preventing the short circuit, the reverse connection, the overload and the like of the battery 6, the singlechip 10 is responsible for processing the signal of the air pressure sensor 13 (reference model BME280) and displaying the signal on the display screen 16 in a digital form, the working process of the device is that the device is sleeved on an air valve of an automobile tire through the rubber ring 15 and sealed through the rubber ring 15, after waiting for a plurality of minutes, if the tire has air leakage, the leaked air can enter the first circular groove 4 through the air valve of the tire and the rubber ring 15, so that the air pressure in the first circular groove 4 is increased, the air pressure in the second circular groove 12 is finally balanced with the air pressure in the first circular groove 4 through extruding the film 14 with certain elasticity, at the moment, the high-sensitivity air pressure sensor 13 senses the air pressure change and sends the data to the singlechip 10 in real time, singlechip 10 calculates the speed of gas leakage through calculating the time and the atmospheric pressure change value that detect to show numerical value on display screen 16, the device sets up the purpose of film 14 and separates air pressure sensor 13 with the external world, avoids pollutants such as external dust, water stain and steam to influence the sensor precision, and it is removable that the detection head 2 passes through helicitic texture simultaneously, so that change ageing or damaged film 14.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automobile tire is with gas leakage inspection device, includes handle (1), its characterized in that, the one end of handle (1) is matchd and is installed and detect head (2), just handle (1) is coaxial form with detecting head (2), cavity (3) have been seted up along its axial in handle (1), first circular slot (4) have been seted up along its axial in detecting head (2), just install baffle (5), control panel (9) and battery (6) in cavity (3), the one end that keeps away from handle (1) in detecting head (2) has cup jointed rubber ring (15), just rubber ring (15) are the intercommunication form with first circular slot (4).

2. The air leakage detection device for the automobile tire according to claim 1, wherein a threaded groove (11) is formed in one end of the detection head (2) close to the handle (1), one end of the handle (1) close to the detection head (2) is in threaded sleeve connection with the threaded groove (11), a second circular groove (12) is formed in one end of the handle (1) close to the detection head (2), and one end of the second circular groove (12) penetrating through the detection head (2) is communicated with the first circular groove (4).

3. The air leakage detection device for the automobile tire according to claim 1, wherein a film (14) is arranged between two ends of the handle (1) and the detection head (2) which are close to each other, the film (14) is in sealing connection with the handle (1) and the detection head (2), the handle (1) is positioned in the second circular groove (12) and is internally provided with an air pressure sensor (13), and the air pressure sensor (13) is fixedly connected with the handle (1).

4. The air leakage detection device for the automobile tire according to claim 1, wherein the partition plate (5) and the handle (1) are perpendicular to each other, the partition plate (5) and the inner wall of the handle (1) are in sealed connection, the battery (6) is positioned on one side of the partition plate (5) far away from the detection head (2), a battery panel (7) is arranged between two poles of the battery (6) in a matching manner, and the control panel (9) is positioned on one side of the partition plate (5) close to the detection head (2).

5. The air leakage detecting device for the automobile tire according to claim 1, wherein the four corners of one side of the control board (9) are fixedly sleeved with fixing pins (8), the fixing pins (8) and the control board (9) are perpendicular to each other, and one end of the fixing pin (8) far away from the control board (9) is fixedly connected with the inner wall of the handle (1).

6. The air leakage detection device for the automobile tire according to claim 1, characterized in that a display screen (16) is arranged on the outer circumferential wall of the handle (1) in a matching manner, and a single chip microcomputer (10) is arranged on one side of the control panel (9) in a matching manner.