CN211717704U

CN211717704U - Checking device of tire barometer convenient to use

Info

Publication number: CN211717704U
Application number: CN202020878952.4U
Authority: CN
Inventors: 成铭; 刘伟; 牛国辉
Original assignee: Xinjiang Bayingolin Mongolian Autonomous Prefecture Metrological Verification Institute
Current assignee: Xinjiang Bayingolin Mongolian Autonomous Prefecture Metrological Verification Institute
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2020-10-20
Anticipated expiration: 2030-05-23

Abstract

The utility model discloses a tire barometer's calibration equipment convenient to use, including base and box, box fixed mounting is on the top of base, and the middle part of box one end is provided with three-way pipe and solenoid valve, and two outputs of three-way pipe are provided with standard barometer and the barometer that awaits measuring respectively. This kind of verifying attachment of tire barometer convenient to use, through the drum, including a motor, an end cap, a controller, and a cover plate, the threaded rod, the fly leaf, the gag lever post is used with the cooperation of preventing against current mechanism, make people can pass through the positive and negative rotation of control motor output shaft intermittent type nature, make the fly leaf can the intermittent type nature under the restriction of gag lever post remove about, can pour into the inside to the box with the air in the drum when the fly leaf removes left, can move the inside that external air inhales the drum when removing right, thereby carry out the pressure boost to the inside of box, and all need not people manually operation at pressure boost and testing process, make things convenient for people to use.

Description

Checking device of tire barometer convenient to use

Technical Field

The utility model relates to a calibration equipment specifically is a calibration equipment of tire barometer convenient to use.

Background

The tyre pressure gauge is composed of gauge head, piston, gauge body, scale and main spring, and is characterized by that on the gauge head only one pressure metering hole is set, and the notch of measuring end of the tyre pressure gauge is aligned with tyre valve and tightly pressed, at this time, the pointer of the tyre pressure gauge is deflected, and its indicated value is the inflation pressure of said tyre, or the marker bar of the tyre pressure gauge is pushed out under the action of air pressure, at this time, the numerical value displayed on the marker bar is the inflation pressure of said tyre.

At present, most barometers verifying attachment changes the atmospheric pressure that the barometer received through people's manual pressing gasbag mostly, but through the mode of the gasbag of manual pressing when detecting a large amount of barometers, people's hand is ache easily, and people's operation and use are not convenient for to the barometer that awaits measuring and standard barometer mostly are all separately to detect, then contrast, and work efficiency is low. Therefore, we improve this and propose a verification device for a tire pressure gauge which is easy to use.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a convenient-to-use tire barometer calibration device, which comprises a base and a box body, wherein the box body is fixedly arranged at the top end of the base, a three-way pipe and a solenoid valve are arranged in the middle of one end of the box body, two output ends of the three-way pipe are respectively provided with a standard barometer and a barometer to be tested, one side of the box body, which is away from the three-way pipe in front, is provided with a supercharging mechanism, the supercharging mechanism consists of a cylinder, a motor, a threaded rod, a movable plate and two limiting rods, the top and the bottom of one side of the cylinder are fixedly connected with connecting rods, the end parts of the two connecting rods are fixedly connected with the front of the box body, one side of the top of the cylinder and the middle part of one side close to the box body are provided with, one of them tracheal both ends respectively with the inner chamber of box and the fixed intercommunication of the inner chamber of drum, another tracheal tip and the fixed intercommunication in one side at drum top, motor and external driver electric connection, driver and external controller electric connection, controller and external power supply electric connection, the solenoid valve passes through external control switch and external power supply electric connection.

As a preferred technical scheme of the utility model, the input of three-way pipe and the fixed intercommunication in middle part of box inner chamber one end, solenoid valve fixed mounting is in the outside of three-way pipe input, two outputs of three-way pipe respectively with the input threaded connection of standard barometer and the barometer that awaits measuring.

As a preferred technical scheme of the utility model, motor fixed mounting keeps away from the middle part of box one side at the drum, the output shaft outside of motor is connected through the middle part of sealed bearing and drum one side, the output shaft of motor and the one end fixed connection of threaded rod.

As a preferred technical scheme of the utility model, the outer wall of fly leaf and the inner wall laminating of drum, the middle part of fly leaf and the outside threaded connection of threaded rod, the tip fixedly connected with stopper of threaded rod.

As a preferred technical scheme of the utility model, two gag lever post one end respectively with the top and the bottom fixed connection of fly leaf one side, two the outside of gag lever post alternates with the top and the bottom of drum one side respectively and is connected.

As a preferred technical scheme of the utility model, two the outside of annular slab respectively with two inside one side fixed connection of trachea, two the one end of annular slab respectively with the one end fixed connection of two springs, two the other end of spring respectively with the one end fixed connection of two pistons, two the outside of piston is laminated with the inside of two drums respectively.

As a preferred technical scheme of the utility model, two the annular groove has all been seted up to tracheal tip, two the inside of annular groove all is provided with the rubber circle, two the one end of rubber circle is laminated with one side of two pistons respectively.

The utility model has the advantages that:

1. this kind of verifying attachment of tire barometer convenient to use, through the drum, including a motor, an end cap, a controller, and a cover plate, the threaded rod, the fly leaf, the gag lever post is used with the cooperation of preventing against current mechanism, make people can pass through the positive and negative rotation of control motor output shaft intermittent type nature, make the fly leaf can the intermittent type nature under the restriction of gag lever post remove about, can pour into the inside to the box with the air in the drum when the fly leaf removes left, can move the inside that external air inhales the drum when removing right, thereby carry out the pressure boost to the inside of box, and all need not people manually operation at pressure boost and testing process, make things convenient for people to use.

2. This kind of verifying attachment of tire barometer convenient to use uses through the cooperation of three-way pipe and solenoid valve, makes people open the solenoid valve after, and gas in the box can let in barometer and the standard barometer that awaits measuring simultaneously through the three-way pipe in, and the atmospheric pressure that lets in both inside gases is the same, makes barometer and the standard barometer that awaits measuring can detect the contrast simultaneously, has promoted the efficiency of check-up.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a checking device of a tire pressure gauge convenient to use according to the present invention;

FIG. 2 is a schematic diagram of a side view of a case of the device for checking a tire gauge for convenience of use according to the present invention;

FIG. 3 is a schematic view of an anti-backflow mechanism of the checking apparatus for a tire pressure gauge convenient to use of the present invention;

fig. 4 is a schematic view of the three-way pipe connection structure of the checking device of the tire pressure gauge convenient to use of the present invention.

In the figure: 1. a base; 2. a box body; 3. an annular groove; 4. a rubber ring; 5. a piston; 6. a three-way pipe; 7. an electromagnetic valve; 8. a standard barometer; 9. a barometer to be tested; 10. a cylinder; 11. a motor; 12. a threaded rod; 13. a movable plate; 14. a limiting rod; 15. an anti-reflux mechanism; 16. an air tube; 17. an annular plate; 18. a spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model relates to a checking device for a tire pressure gauge convenient to use, which comprises a base 1 and a box 2, the box 2 is fixedly installed on the top end of the base 1, a three-way pipe 6 and a solenoid valve 7 are arranged in the middle of one end of the box 2, the solenoid valve 7 is an LD512.5 type solenoid valve, two output ends of the three-way pipe 6 are respectively provided with a standard pressure gauge 8 and a pressure gauge 9 to be measured, one side of the front surface of the box 2 away from the three-way pipe 6 is provided with a pressurizing mechanism, the pressurizing mechanism comprises a cylinder 10, a motor 11, a threaded rod 12, a movable plate 13 and two limit rods 14, the motor 11 is a PD42 type stepping motor, the top and the bottom of one side of the cylinder 10 are both fixedly connected with connecting rods, the end parts of the two connecting rods are both fixedly connected with the front surface of, the anti-reflux mechanism 15 comprises two air pipes 16, two annular plates 17, two springs 18 and two pistons 5, wherein two ends of one air pipe 16 are fixedly communicated with the inner cavity of the box body 2 and the inner cavity of the cylinder 10 respectively, the end part of the other air pipe 16 is fixedly communicated with one side of the top of the cylinder 10, the motor 11 is electrically connected with an external driver, the driver is electrically connected with an external controller, the controller is electrically connected with an external power supply, and the electromagnetic valve 7 is electrically connected with the external power supply through an external control switch.

Wherein, the input of three-way pipe 6 and the fixed intercommunication in middle part of 2 inner chamber one ends of box, solenoid valve 7 fixed mounting is in the outside of 6 inputs of three-way pipe, two outputs of three-way pipe 6 respectively with the input threaded connection of standard barometer 8 and the barometer 9 that awaits measuring, use through the cooperation of three-way pipe 6 and solenoid valve 7, make people open the solenoid valve 7 after, gas in the box 2 can let in simultaneously in the barometer 9 that awaits measuring and standard barometer 8 through three-way pipe 6, and let in the atmospheric pressure of both inside gases the same, make the barometer 9 that awaits measuring and standard barometer 8 can detect the contrast simultaneously, the efficiency of check-up has been promoted.

Wherein, the motor 11 is fixedly arranged in the middle of one side of the cylinder 10 far away from the box body 2, the outer part of the output shaft of the motor 11 is connected with the middle of one side of the cylinder 10 through a sealed bearing, the output shaft of the motor 11 is fixedly connected with one end of the threaded rod 12, through the cooperation of the cylinder 10, the motor 11, the threaded rod 12, the movable plate 13, the limiting rod 14 and the backflow prevention mechanism 15, people can control the intermittent forward and reverse rotation of the output shaft of the motor 11, the movable plate 13 can intermittently move left and right under the limitation of the limiting rod 14, the air inside the cylinder 10 can be injected into the inside of the case 2 when the movable plate 13 moves leftward, the external air can be sucked into the inside of the cylinder 10 when moving rightward, thereby carry out the pressure boost to the inside of box 2 to all need not people manually operation at pressure boost and testing process, make things convenient for people to use, save people's labour.

Wherein, the outer wall of the movable plate 13 is attached to the inner wall of the cylinder 10, the middle part of the movable plate 13 is in threaded connection with the outer part of the threaded rod 12, the end part of the threaded rod 12 is fixedly connected with a limiting block, and the movable plate 13 cannot move out of the outer part of the threaded rod 12 through the limiting block.

One end of each of the two limiting rods 14 is fixedly connected to the top and the bottom of one side of the movable plate 13, the outer portions of the two limiting rods 14 are connected to the top and the bottom of one side of the cylinder 10 in an inserting manner, and the movable plate 13 can only move but cannot rotate when the threaded rod 12 rotates due to the limitation of the limiting rods 14.

Wherein, the outer parts of the two annular plates 17 are respectively fixedly connected with one side of the inner parts of the two air pipes 16, one ends of the two annular plates 17 are respectively fixedly connected with one ends of the two springs 18, the other ends of the two springs 18 are respectively fixedly connected with one ends of the two pistons 5, the outer parts of the two pistons 5 are respectively attached to the inner parts of the two cylinders 10, through the matching use of the air pipes 16, the annular plates 17, the springs 18 and the pistons 5, when people rotate through the output shaft of the control motor 11 and drive the movable plate 13 to move rightwards, air can push the pistons 5 in the air pipes 16 at the tops of the cylinders 10, the air enters the cylinders 10, when the movable plate 13 moves leftwards, the pistons 5 in the air pipes 16 at the tops of the cylinders 10 extend into the air pipes 16 under the restoring force of the springs 18 to seal the air pipes 16 so as to prevent the gas from flowing backwards, when the movable plate 13 moves, gas is injected into the interior of the tank 2, and the tank 2 is pressurized.

Wherein, annular groove 3 has all been seted up to two trachea 16's tip, and the inside of two annular grooves 3 all is provided with rubber circle 4, and the one end of two rubber circles 4 is laminated with one side of two pistons 5 respectively, through rubber circle 4, when making piston 5 insert trachea 16's inside under the effect of spring 18 elasticity, can increase the leakproofness of piston 5 and trachea 16 junction.

When the three-way pipe pressurization device works, firstly, the standard barometer 8 and the barometer 9 to be measured respectively rotate at two output ends of the three-way pipe 6, the controller controls the output shaft of the motor 11 to intermittently rotate forward and backward, the output shaft of the motor 11 drives the threaded rod 12 to rotate, the movable plate 13 intermittently moves left and right along with the rotation of the threaded rod 12 under the limitation of the limiting rod 14, when the movable plate 13 moves right, air can push the piston 5 in the air pipe 16 at the top of the cylinder 10, the air enters the cylinder 10, when the movable plate 13 moves left, the piston 5 in the air pipe 16 at the top of the cylinder 10 extends into the air pipe 16 under the restoring force of the spring 18 to seal the air pipe 16, the air backflow is prevented, when the movable plate 13 moves left, the air in the cylinder 10 pushes the piston 5 in the other air pipe 16, the air is injected into the box body, after the pressurization is finished, the output shaft of the motor 11 is controlled to stop rotating through the controller, the electromagnetic valve 7 is controlled to be opened through the control switch, gas in the box body 2 enters the interiors of the standard barometer 8 and the barometer 9 to be detected through the three-way pipe 6, the knob on the barometer 9 to be detected is adjusted according to indexes indicated by the pointers of the standard barometer 8 and the barometer 9 to be detected, the position of the adjusting pointer is used for checking the barometer 9 to be detected, after the checking is finished, the electromagnetic valve 7 is closed, and the standard barometer 8 and the barometer 9 to be detected are taken down.

Finally, it should be noted that: although the present invention has been described in detail 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a calibration equipment of tire barometer convenient to use, its characterized in that, includes base (1) and box (2), box (2) fixed mounting is on the top of base (1), the middle part of box (2) one end is provided with three-way pipe (6) and solenoid valve (7), two outputs of three-way pipe (6) are provided with standard barometer (8) and barometer (9) that await measuring respectively, box (2) openly keep away from one side of three-way pipe (6) and be provided with booster mechanism, booster mechanism comprises a drum (10), a motor (11), a threaded rod (12), a fly leaf (13) and two gag lever posts (14), the top and the bottom of drum (10) one side all fixedly connected with connecting rod, two the tip of connecting rod all with the openly fixed connection of box (2), one side at drum (10) top and the middle part that is close to box (2) one side are provided with same anti-reflux mechanism (15), prevent against the current mechanism (15) two trachea (16), two annular plate (17), two spring (18) and two piston (5) constitute, one of them the both ends of trachea (16) respectively with the inner chamber of box (2) and the inner chamber of drum (10) fixed intercommunication, another the fixed intercommunication in one side at the tip and drum (10) top of trachea (16), motor (11) and external driver electric connection, driver and external controller electric connection, controller and external power supply electric connection, solenoid valve (7) are through external control switch and external power supply electric connection.

2. The verifying device for the convenient-to-use tire barometer as claimed in claim 1, wherein the input end of the three-way pipe (6) is fixedly communicated with the middle part of one end of the inner cavity of the box body (2), the electromagnetic valve (7) is fixedly arranged outside the input end of the three-way pipe (6), and two output ends of the three-way pipe (6) are respectively in threaded connection with the input ends of the standard barometer (8) and the barometer to be tested (9).

3. The verifying device for the convenient-to-use tire air pressure gauge as claimed in claim 1, wherein said motor (11) is fixedly installed in the middle of one side of the cylinder (10) far from the box body (2), the outer portion of the output shaft of said motor (11) is connected with the middle of one side of the cylinder (10) through a sealed bearing, and the output shaft of said motor (11) is fixedly connected with one end of the threaded rod (12).

4. The verifying device of the convenient-to-use tire barometer as claimed in claim 1, wherein the outer wall of said movable plate (13) is attached to the inner wall of the cylinder (10), the middle part of said movable plate (13) is connected with the outer thread of the threaded rod (12), and the end of said threaded rod (12) is fixedly connected with a limiting block.

5. The apparatus for checking the tire gauge conveniently used according to claim 1, wherein one end of each of said two stoppers (14) is fixedly connected to the top and bottom of one side of the movable plate (13), and the outer portions of said two stoppers (14) are inserted into the top and bottom of one side of the cylinder (10).

6. The verifying device of the convenient-to-use tire barometer as claimed in claim 1, wherein the outside of two said annular plates (17) is fixedly connected with one side of the inside of two air pipes (16), respectively, one end of two said annular plates (17) is fixedly connected with one end of two springs (18), respectively, the other end of two said springs (18) is fixedly connected with one end of two pistons (5), respectively, and the outside of two said pistons (5) is attached to the inside of two cylinders (10), respectively.

7. The verifying device of the convenient-to-use tire barometer as claimed in claim 1, wherein the end parts of the two air pipes (16) are provided with annular grooves (3), the inside of the two annular grooves (3) is provided with rubber rings (4), and one ends of the two rubber rings (4) are respectively attached to one sides of the two pistons (5).