CN210454770U

CN210454770U - Multidirectional convenient operation tire pressure rifle

Info

Publication number: CN210454770U
Application number: CN201921208985.1U
Authority: CN
Inventors: 程英建
Original assignee: Wenzhou Shengke Spraying Technology Co Ltd
Current assignee: Wenzhou Shengke Spraying Technology Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-05-05
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a multidirectional convenient operation tire pressure rifle, including the rifle body, the barometer, the trigger, the gas tube, the internal gas flow system that is equipped with of rifle, the barometer, gas tube and gas flow system UNICOM, the trigger is articulated with the rifle body and is connected with the internal gas flow of control rifle with the cooperation of gas flow system, the rifle body is equipped with the joint of giving vent to anger, the instrument connects, it is equipped with the rotary seal cover to give vent to anger to connect, the inner wall thread sealing of rotary seal cover has the hose connector, the inner wall seal cooperation of hose connector and gas tube, the bottom of barometer is equipped with the threaded connection head, threaded connection head and instrument connect thread sealing cooperation. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization has realized 360 degrees rotations of gas tube and barometer for operating personnel need not wholly change the position of tire pressure rifle or oneself change the position when needing angle adjustment to use the tire pressure rifle, also can not influence the reading because of angle or can't see the barometer clearly.

Description

Multidirectional convenient operation tire pressure rifle

Technical Field

The utility model relates to a tire pressure rifle, in particular to can multidirectional convenient operation's tire pressure rifle.

Background

The tire pressure gun is a tool which is widely used for automobiles or motorcycles and is mainly used for inflating and deflating tires of the tire pressure gun and detecting the internal air pressure of the tires. The gas tube of traditional tire pressure rifle, the manometer is connected for one-way with the rifle body, when needs adjustment position used the tire pressure rifle, operating personnel can only wholly change the position of tire pressure rifle or operating personnel oneself changes the position and operates, has increased the operation degree of difficulty, has inconvenient more when the operation, and the manometer can cause the problem of the inaccurate or can't see the reading clearly because of the problem of angle moreover. Therefore, a multi-directional tire pressure gun convenient to operate is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multidirectional tire pressure rifle of convenient operation.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a multi-directional tire pressure gun convenient to operate comprises a gun body, a barometer, a trigger and an inflation tube, wherein a gas circulation system is arranged in the gun body, the barometer and the inflation tube are communicated with the gas circulation system, the trigger is hinged with the gun body and is matched and connected with the gas circulation system to control gas in the gun body to flow, a gas outlet joint and an instrument joint are arranged at the same end part of the gun body, a rotary sealing sleeve matched with the gas outlet joint in a threaded sealing manner is arranged on the gas outlet joint, the upper part of the rotary sealing sleeve is positioned outside the gas outlet joint, the middle part of the rotary sealing sleeve is positioned in the gas outlet joint and is provided with a first sealing ring matched with the rotary sealing sleeve and the gas outlet joint in a sealing manner, the lower part of the rotary sealing sleeve is positioned inside the gas outlet joint and is matched with the threads of the rotary sealing sleeve, a hose, the bottom of the barometer is provided with a threaded connector which is in threaded sealing fit with the meter connector.

Further setting the following steps: the rotary sealing sleeve can rotate for at least one circle relative to the air outlet joint, and the matching position of the rotary sealing sleeve and the rotary thread of the air outlet joint is the relative rotation position.

Further setting the following steps: the air pressure meter can rotate for at least one circle relative to the instrument joint, and the matching position of the threaded connector and the rotating threads of the instrument joint is the relative rotating position.

Further setting the following steps: the hose connector be equipped with first recess, first recess be located hose connector and rotatory seal cover screw-thread fit portion, first recess in be equipped with the second sealing washer, the second sealing washer is sealed to be cooperated with hose connector, rotatory seal cover.

Further setting the following steps: the rifle body other end be equipped with air inlet joint, the gas circulation system include first air flue, second air flue, third air flue, fourth air flue, first air flue one end connect air inlet joint, the other end with second air flue UNICOM, the second air flue includes left end air flue, middle part air flue, right-hand member air flue, the cross section of left end air flue, the right-hand member air flue of second air flue is greater than the cross section of the middle part air flue of second air flue, the one end and the barometer of third air flue are connected, the middle part air flue UNICOM of the other end and second air flue, the one end and the joint connection of giving vent to anger of fourth air flue, the other end with third air flue UNICOM.

Further setting the following steps: the left end of the left end air passage of the second air passage is communicated with the outside, one end of the ejector rod extends into the right end air passage of the second air passage from the middle air passage of the second air passage, the other end of the ejector rod is not in sealing fit with the gun body and extends out of the gun body, a first annular bulge and a second annular bulge are arranged in the middle of the ejector rod, the cross section of the first annular bulge is larger than that of the second annular bulge and is located at the left side of the first annular bulge, a second groove is arranged at the left side of the first annular bulge, a third groove is arranged at the right side of the second annular bulge, the third sealing ring is sleeved in the second groove, the fourth sealing ring is sleeved in the third groove, the first spring is sleeved on the second annular bulge, one end of the first spring is in contact with the first annular bulge, and the cross section of the ejector rod, which is located at the part of the second air passage, is smaller than that of the left end of the second air passage The cross section of the part of the ejector rod in the middle air passage of the second air passage is smaller than that of the middle air passage of the second air passage;

the second spring, the sealing ball and the fifth sealing ring are arranged in the right air passage of the second air passage and are respectively arranged on the right side and the left side of the sealing ball, the second spring is in contact with the sealing ball, the fifth sealing ring is in sealing contact with the side wall of the left end of the second air passage, the fifth sealing ring is in contact with the sealing ball in a normal state, a detection state and an air bleeding state, the maximum cross section of the sealing ball is smaller than that of the right air passage of the second air passage, and the maximum cross section of the sealing ball is larger than that of the middle air passage of the second air passage.

Further setting the following steps: the part of the hose connector in threaded fit with the rotary sealing sleeve is at least provided with a groove.

To sum up, the utility model discloses following beneficial effect has: the gas tube of tire pressure rifle is connected on hose connection head, it is rotatory to drive hose connection head through the relative coupling rotation of giving vent to anger of rotary seal cover, and then make the gas tube rotate and can realize 360 degrees rotations, the barometer can realize 360 degrees rotations through the rotation that the relative instrument of threaded connection connects, 360 degrees pivoted realization of gas tube and barometer, make operating personnel need not wholly change the position of tire pressure rifle or oneself change the position when needing angle adjustment use tire pressure rifle, also can not influence the reading because of angle or can't see the barometer clearly.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of section C of FIG. 1;

in the figure: 1. a gun body; 2. a barometer; 3. A trigger; 4. an inflation tube; 5. an air outlet joint; 6. an instrument connector; 61. a relative rotational position; 7. rotating the seal cartridge; 71. a relative rotational position; 8. a hose connector; 9. a first seal ring; 10. a second seal ring; 11. a first groove; 12. an air inlet joint; 13. a first air passage; 14. a second air passage; 15. a third air passage; 16. a fourth airway; 17. a third seal ring; 18. a fourth seal ring; 19. a first spring; 20. pushing the ejector rod; 21. a threaded connector; 22. a first annular projection; 23. a second annular projection; 24. a second groove; 25. a third groove; 28. a second spring; 29. a sealing ball; 30. and a fifth sealing ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A multi-directional convenient and fast operation tire pressure gun,

as shown in fig. 1-4, the gas pressure gauge comprises a gun body 1, a gas pressure gauge 2, a trigger 3 and an inflation tube 4, wherein a gas circulation system is arranged in the gun body 1, the gas pressure gauge 2 and the inflation tube 4 are communicated with the gas circulation system, the trigger 3 is hinged with the gun body 1 and is matched and connected with the gas circulation system to control the gas flow in the gun body 1, a gas outlet joint 5 and an instrument joint 6 are arranged at the same end of the gun body 1, a rotary sealing sleeve 7 matched with the gas outlet joint 5 in a thread sealing manner is arranged on the gas outlet joint 5, the upper part of the rotary sealing sleeve 7 is arranged outside the gas outlet joint 5, the middle part of the rotary sealing sleeve 7 is arranged in the gas outlet joint 5 and is provided with a first sealing ring 9 matched with the rotary sealing sleeve 7 and the gas outlet joint 5 in a sealing manner, the lower part of the rotary sealing sleeve 7 is arranged in the gas outlet joint 5 and is matched with, the inner wall of the rotary sealing sleeve 7 is in threaded sealing with a hose connector 8, the hose connector 8 is provided with two first grooves 11 positioned at the threaded matching part of the hose connector 8 and the rotary sealing sleeve 7, second sealing rings 10 in sealed matching with the hose connector 8 and the rotary sealing sleeve 7 are arranged in the first grooves 11, the head part of the hose connector 8 is inserted into the inflation tube 4 to be in sealed matching with the inner wall of the inflation tube 4, so that the inflation tube 4 of the tire pressure gun is connected on the hose connector 8, the hose connector 8 is driven to rotate by the rotation of the rotary sealing sleeve 7 relative to the air outlet connector 5, the inflation tube 4 can rotate and can realize 360-degree rotation, the sealing performance is good, the bottom of the barometer 2 is provided with a threaded connector 21, the threaded connector 21 is in threaded sealing matching with the meter connector 6 and can rotate for multiple circles relatively, and the threaded matching position of the threaded connector 21 and, thus, the barometer 2 can rotate 360 degrees by rotating the threaded connector 21 relative to the meter connector 6.

The 1 other end of rifle body is equipped with air inlet joint 12, the gas circulation system includes first air flue 13, second air flue 14, third air flue 15, fourth air flue 16, air inlet joint 12 is connected to first air flue 13 one end, the other end and the 14 UNICOM of second air flue, second air flue 14 includes the left end air flue, the middle part air flue, the right-hand member air flue, the left end air flue of second air flue 14, the cross section of right-hand member air flue is greater than the cross section of the middle part air flue of second air flue 14, the one end and the barometer 2 of third air flue 15 are connected, the other end and the middle part air flue UNICOM of second air flue 14, the one end and the joint 5 of giving vent to anger of fourth air flue 16 are connected, the other end.

A third sealing ring 17, a fourth sealing ring 18, a first spring 19 and an ejector rod 20 are arranged in the left end air passage of the second air passage 14, the left end of the left end air passage of the second air passage 14 is communicated with the outside, one end of the ejector rod 20 extends into the right end air passage of the second air passage 14 from the middle air passage of the second air passage 14, the other end of the ejector rod does not hermetically fit with the gun body 1 and extends out of the gun body 1, a first annular bulge 22 and a second annular bulge 23 are arranged in the middle of the ejector rod 20, the cross section of the first annular bulge 22 is larger than that of the second annular bulge 23 and is positioned on the left side of the first annular bulge, a second groove 24 is arranged on the left side of the first annular bulge 22, a third groove 25 is arranged on the right side of the second annular bulge 23, the third sealing ring 17 is sleeved in the second groove 24, the fourth sealing ring 18 is sleeved in the third groove 25, the first spring 19 is sleeved on the second, the cross section of the part of the ejector rod 20 in the air passage at the left end of the second air passage 14 is smaller than that of the air passage at the left end of the second air passage 14, and the cross section of the part of the ejector rod 20 in the air passage in the middle of the second air passage 14 is smaller than that of the air passage in the middle of the second air passage 14.

Be provided with second spring 28, sealing ball 29, fifth sealing washer in the right-hand member air flue of second air flue 14, second spring 28, fifth sealing washer set up respectively in the right side of sealing ball 29, the left side, second spring 28 and sealing ball 29 contact, fifth sealing washer and the left end lateral wall sealing contact of second air flue 14, normal condition, detection state, when gassing state, fifth sealing washer and sealing ball 29 contact, the biggest cross-section of sealing ball 29 is less than the cross-section of second air flue 14 right-hand member air flue, the biggest cross-section of sealing ball 29 is greater than the cross-section of second air flue 14 middle part air flue.

Thus, by pressing the trigger 3, the trigger 3 pushes the ejector rod 20, and the sealing ball 29, the third sealing ring 17 and the fourth sealing ring 18 are positioned at different positions through the first spring 19 and the second spring 28, so that the functions of inflation, deflation and air pressure detection are realized. When the fourth sealing ring 18 is in contact with the right side wall of the air passage at the left end of the second air passage 14 and the sealing ball 29 is not in contact with the fifth sealing ring, the first air passage 13, the air passage at the right end of the second air passage 14, the middle air passage of the second air passage 14, the third air passage 15 and the fourth air passage 16 are communicated, and the tire pressure gun is in an inflation state; when the third sealing ring 17 and the fourth sealing ring 18 are not in contact with the side wall of the air passage at the left end of the second air passage 14, and the sealing ball 29 is in contact with the fifth sealing ring, the air passage at the left end of the second air passage 14, the middle air passage of the second air passage 14, the third air passage 15 and the fourth air passage 16 are communicated with the outside, and the tire pressure gun is in a deflation state; when the third sealing ring 17 is in contact with the left side wall of the air passage at the left end of the second air passage 14 and the sealing ball 29 is in contact with the fifth sealing ring, the third air passage 15 is communicated with the fourth air passage 16 but not communicated with the outside, and the tire pressure gun is in an air pressure detection state at the moment.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a multidirectional convenient operation tire pressure rifle, includes the rifle body (1), barometer (2), trigger (3), gas tube (4), be equipped with the gas circulation system in the rifle body (1), barometer (2), gas tube (4) and gas circulation system UNICOM, trigger (3) with the rifle body (1) articulated and with the gas circulation system cooperation is connected in order to control the rifle body (1) interior gas flow, its characterized in that: the gas-filling gun is characterized in that the same end of the gun body (1) is provided with a gas outlet joint (5) and an instrument joint (6), the gas outlet joint (5) is provided with a rotary sealing sleeve (7) in sealing fit with threads of the gas outlet joint, the upper part of the rotary sealing sleeve (7) is positioned outside the gas outlet joint (5), the middle part of the rotary sealing sleeve (7) is positioned in the gas outlet joint (5), the middle part of the rotary sealing sleeve is provided with a first sealing ring (9) in sealing fit with the rotary sealing sleeve (7) and the gas outlet joint (5), the lower part of the rotary sealing sleeve (7) is positioned in the gas outlet joint (5) and in sealing fit with the threads of the rotary sealing sleeve, the inner wall of the rotary sealing sleeve (7) is in threaded seal with a hose connector (8), the head of the hose connector (8) is inserted into the gas filling pipe (4) and is in sealing, and the threaded connector (21) is in threaded sealing fit with the instrument connector (6).

2. The multi-directional portable tire pressure gun of claim 1, wherein: the rotary sealing sleeve (7) can rotate for at least one circle relative to the air outlet joint (5), and the rotary thread matching position of the rotary sealing sleeve (7) and the air outlet joint (5) is a relative rotary position (71).

3. The multi-directional portable tire pressure gun of claim 1, wherein: the barometer (2) can rotate for a circle at least relative to the instrument joint (6), and the rotating thread matching position of the threaded connector (21) and the instrument joint (6) is a relative rotating position (61).

4. The multi-directional portable tire pressure gun of claim 1, wherein: hose connection head (8) be equipped with first recess (11), first recess (11) be located hose connection head (8) and rotatory seal cover (7) screw-thread fit portion, first recess (11) in be equipped with second sealing washer (10), second sealing washer (10) and hose connection head (8), rotatory seal cover (7) sealed cooperation.

5. The multi-directional portable tire pressure gun of claim 1, wherein: the rifle body (1) other end be equipped with air inlet joint (12), the gas circulation system include first air flue (13), second air flue (14), third air flue (15), fourth air flue (16), first air flue (13) one end connect air inlet joint (12), the other end with second air flue (14) UNICOM, second air flue (14) include left end air flue, middle part air flue, right-hand member air flue, the cross section of left end air flue, right-hand member air flue of second air flue (14) is greater than the cross section of the middle part air flue of second air flue (14), the one end and the barometer (2) of third air flue (15) are connected, the other end and the middle part air flue UNICOM of second air flue (14), the one end and the joint (5) of giving vent to anger of fourth air flue (16) are connected, the other end with third air flue (15) UNICOM.

6. The multi-directional portable tire pressure gun of claim 5, wherein: a third sealing ring (17), a fourth sealing ring (18), a first spring (19) and an ejector rod (20) are arranged in a left end air passage of the second air passage (14), the left end of the left end air passage of the second air passage (14) is communicated with the outside, one end of the ejector rod (20) extends into a right end air passage of the second air passage (14) from a middle air passage of the second air passage (14), the other end of the ejector rod is not in sealing fit with the gun body (1) and extends out of the gun body (1), a first annular bulge (22) and a second annular bulge (23) are arranged in the middle of the ejector rod (20), the cross section of the first annular bulge (22) is larger than that of the second annular bulge (23) and is located in the second annular bulge (23), a second groove (24) is arranged on the left side of the first annular bulge (22), a third groove (25) is arranged on the right side of the second annular bulge (23), and the third sealing ring (17) is sleeved in the second groove (, the fourth sealing ring (18) is sleeved in the third groove (25), the first spring (19) is sleeved on the second annular bulge (23) and one end of the first spring is in contact with the first annular bulge (22), the cross section of the part of the ejector rod (20) in the air passage at the left end of the second air passage (14) is smaller than that of the air passage at the left end of the second air passage (14), and the cross section of the part of the ejector rod (20) in the air passage at the middle part of the second air passage (14) is smaller than that of the air passage at the middle part of the second air passage (14);

the air-conditioning device is characterized in that a second spring (28), a sealing ball (29) and a fifth sealing ring are arranged in a right air passage at the right end of the second air passage (14), the second spring (28) and the fifth sealing ring are respectively arranged at the right side and the left side of the sealing ball (29), the second spring (28) is in contact with the sealing ball (29), the fifth sealing ring is in sealing contact with the side wall of the left end of the second air passage (14), the fifth sealing ring is in contact with the sealing ball (29) in a normal state, a detection state and an air release state, the maximum cross section of the sealing ball (29) is smaller than that of the right air passage of the second air passage (14), and the maximum cross section of the sealing ball (29) is larger than that of the middle air passage of the second air passage (14).

7. The multi-directional portable tire pressure gun of claim 4, wherein: the part of the hose connector (8) in threaded fit with the rotary sealing sleeve (7) is at least provided with a groove.