阅读说明：本技术 一种轮胎充气气嘴 (Tyre inflating valve ) 是由 陈仙福 于 2020-08-08 设计创作，主要内容包括：一种轮胎充气气嘴,包括一阀体,在阀体内开设有出气孔和气嘴插孔,在气嘴插孔的两侧开设置有与气嘴插孔相通的锁定槽,在每侧的锁定槽内均枢接有锁块,锁块的内侧设置有单向齿纹,锁块外侧与锁定槽侧壁之间设置有锁定弹簧,锁定弹簧将锁块内侧的单向齿纹顶向气嘴插孔使得单向齿纹处于气嘴插孔内,在锁定槽内还枢接有解锁驱动块,解锁驱动块的驱动部从锁定槽外侧的端口处伸出阀体,解锁驱动块的执行部与锁块配合,按压驱动部或旋转解锁驱动块通过执行部带动锁块挤压锁定弹簧,并使锁块整体收缩到锁定槽内；本发明由于采用弹簧配合锁块的锁定方式,不存在金属疲劳的问题,同时充气气嘴的体积大大缩小,具有结构合理、使用方便、经久耐用的特点。(A tire inflation air nozzle comprises a valve body, wherein an air outlet hole and an air nozzle jack are formed in the valve body, locking grooves communicated with the air nozzle jack are formed in two sides of the air nozzle jack, a locking block is pivoted in each locking groove on each side, one-way insections are arranged on the inner side of each locking block, a locking spring is arranged between the outer side of each locking block and the side wall of each locking groove, the one-way insections on the inner side of each locking block are pushed towards the air nozzle jack by the locking spring to enable the one-way insections to be located in the air nozzle jack, an unlocking driving block is further pivoted in each locking groove, a driving part of each unlocking driving block extends out of the valve body from a port on the outer side of each locking groove, an execution part of each unlocking driving block is matched with each locking block, and the driving part is pressed or rotated to drive each; the invention adopts the locking mode of the spring matching with the locking block, so that the problem of metal fatigue does not exist, and meanwhile, the volume of the inflating air nozzle is greatly reduced, and the invention has the characteristics of reasonable structure, convenient use and durability.)

1. A tire inflation nozzle comprises a valve body (1), wherein one end of the valve body is provided with a connecting joint (2), an air outlet hole (11) and a nozzle jack (12) are formed in the valve body (1), the air outlet hole (11) is communicated with the connecting joint (2), an air inlet thimble (3) is arranged between the air outlet hole (11) and the nozzle jack (12), an air groove (31) is formed in the air inlet thimble (3), and the air outlet hole (11) is communicated with the nozzle jack (12) through the air groove (31); the method is characterized in that: two sides of the air tap jack (12) are provided with locking grooves (13) communicated with the air tap jack (12), the locking grooves (13) on each side are respectively pivoted with a locking block (5), the inner side of each locking block (5) is provided with a one-way insection (51), a locking spring (6) is arranged between the outer side of each locking block (5) and the side wall of each locking groove (13), the locking spring (6) enables the one-way insection (51) on the inner side of each locking block (5) to be propped against the air tap jack (12) so that the one-way insection (51) is positioned in the air tap jack (12), an unlocking driving block (7) is also pivoted in each locking groove (13), a driving part (71) of the unlocking driving block (7) extends out of the valve body (1) from a port (131) on the outer side of each locking groove (13), an execution part (72) of the unlocking driving block (7) is matched with each locking block (5), and the locking block (6) is extruded by driving the locking block (5) through the, and the lock block (5) is entirely retracted into the lock groove (13).

2. A tire inflation air nipple as claimed in claim 1, wherein: the locking mechanism is characterized in that a cylindrical body (52) is arranged at the upper end of the locking block (5), the cylindrical body (52) is connected with the locking block (5) through a neck (53), a cylindrical groove (132) is formed above the locking groove (13), the cylindrical groove (132) is communicated with the locking groove (13) through a neck opening (133), the cylindrical body (52) is accommodated in the cylindrical groove (132), the neck (53) is matched with the neck opening (133), the outer side of the locking block (5) is a planar part, a positioning groove (55) is formed in the side wall of the planar part corresponding to the locking groove (13), one end of a locking spring (6) is accommodated in the positioning groove (55), the other end of the locking spring abuts against the planar part, and a locking and unlocking convex block (54) is further arranged at the bottom of the locking block (5).

3. A tire inflation air nipple as claimed in claim 2, wherein: the bottom surface and the top surface of the locking groove (13) at the lower position of the locking block (5) are provided with column holes (56), the front side and the rear side of the unlocking driving block (7) are provided with coaxial convex columns (73), the two convex columns (73) are accommodated in the column holes (56) at the bottom surface and the top surface of the locking groove (13), and the executing part (72) is positioned above the convex columns (73) and is positioned at the inner side of the unlocking convex columns (54).

4. A tire inflation air nipple as claimed in claim 1, wherein: the inner side of the unlocking driving block (7) is further provided with a second positioning groove (74), a return spring (8) is arranged in the second positioning groove (74), the other end of the return spring (8) is pressed against the side wall of the port (131), and the return spring (8) applies acting force which is spread towards two sides to the unlocking driving block (7).

5. A tire inflation air nipple as claimed in claim 1, wherein: the valve body (1) comprises a valve body (101) and a valve cover (102), the valve body (101) is integrated with the connecting joint (2), the locking groove (13) is arranged on a combining surface of the valve body (101) and the valve cover (102), and a port (131) of the locking groove (13) is arranged on two sides of the lower portions of the valve body (101) and the valve cover (102).

6. A tire inflation air nipple as claimed in claim 2, wherein: the locking block (5) is in inclined surface transition from the neck part (53) to the one-way tooth thread part (51).

7. A tire inflation air cap according to any one of claims 1 to 6, wherein: the unlocking driving block (7), the valve body (1) and the connecting joint (2) are made of metal materials.

8. A tire inflation air cap according to any one of claims 1 to 6, wherein: the locking block (5) is made of nylon or graphite materials.

Technical Field

The invention relates to a tire inflation tool, in particular to a tire inflation air nozzle.

Background

The tire inflation nozzle is mainly used for inflating vehicles such as automobiles and the like, the conventional tire inflation nozzle generally comprises a valve sleeve and a valve core, the valve core is accommodated in the valve sleeve, the valve core is communicated with a high-pressure air source, a wrench type locking mechanism is arranged on the valve sleeve, the port of the valve sleeve is aligned with an air nozzle of a wheel during use, the whole tire inflation nozzle is locked on the air nozzle by pulling the wrench type locking mechanism, then the tire can be inflated by opening an air source switch, the conventional inflation nozzle adopts the wrench type locking mechanism, the inflation nozzle is locked by matching the wrench type locking mechanism with the external thread of the tire air nozzle, the wrench type locking mechanism is clamped with the tire air nozzle on one side, the tire inflation nozzle is easy to wear and cannot be locked in the use process, and the service life is short.

For this purpose, the applicant designs a tire inflation nozzle which adopts a clamping connection mode of two sides of a spring clamping strip to lock the inflation nozzle, for example, the publication number is CN103291981A and discloses a tire inflation nozzle which comprises a valve sleeve and a valve core, wherein an air passage is arranged in the valve core, an external thread is arranged on the upper part of the valve core, an internal thread matched with the external thread on the upper part of the valve core is arranged in the valve sleeve, an air inlet thimble is arranged at an air outlet of the air passage on the upper end of the valve core, a sealing ring is sleeved between the air inlet thimble and the inner wall of the valve sleeve, the outer wall of the valve sleeve is provided with more than two axial grooves which are symmetrically distributed, strip holes penetrating through the outer wall of the valve sleeve are arranged at the upper end and the lower end of each axial groove, the spring clamping strip is arranged in the axial groove, clamping heads bent inwards are arranged at the upper end and the lower end of the spring clamping strip, the height of the movable sleeve is smaller than the length of the spring clamping strip, and the movable sleeve can press the clamping head of the spring clamping strip by moving up and down to enable the clamping head to extend out of the inner side of the strip-shaped hole.

The tire inflation nozzle with the structure has a complex structure and high manufacturing cost, and meanwhile, the spring clamping strip can generate metal fatigue after being used for a period of time, and the elasticity is poor, so that the use effect is influenced; meanwhile, the spring clamping strip and the external thread of the air tap are abraded, so that the problem of thread sliding of the external thread is caused.

Disclosure of Invention

The invention aims to provide a tire inflation air nozzle, which redesigns the structure of the tire inflation air nozzle, wherein locking blocks are arranged on two sides of an air nozzle jack in a valve body, one-way insections are arranged on the inner side of each locking block, and the locking blocks enable the one-way insections to be clamped on threads on the outer wall of the tire air nozzle through locking springs, so that the air nozzle can only move in one way and cannot be pulled out reversely in the air nozzle jack.

The following technical scheme is adopted for achieving the purpose:

a tire inflation air faucet comprises a valve body, wherein one end of the valve body is provided with a connecting joint, an air outlet hole and an air faucet jack are formed in the valve body, the air outlet hole is communicated with the connecting joint, an air inlet thimble is arranged between the air outlet hole and the air faucet jack, an air groove is formed in the air inlet thimble, and the air groove is used for communicating the air outlet hole with the air faucet jack; the method is characterized in that: offer in the both sides of air cock jack and put the communicating locking groove with the air cock jack, the equal pin joint of locking inslot at every side has the locking piece, the inboard of locking piece is provided with one-way insection, be provided with locking spring between the locking piece outside and the locking groove lateral wall, locking spring makes one-way insection be in the air cock jack with the inboard one-way insection top of locking piece, it has the unblock drive block to lock the inslot still the pin joint, the valve body is stretched out from the port department in the locking groove outside to the drive division of unblock drive block, the execution portion and the locking piece cooperation of unblock drive block, press drive division or rotatory unblock drive block and drive locking piece extrusion locking spring through the execution portion, and make the whole locking piece shrink to locking inslot.

The locking piece upper end be provided with the cylinder, the cylinder passes through the neck with the locking piece and is connected the top of locking groove set up and put the column groove, communicate through the neck finish between column groove and the locking groove, the cylinder holding in the column inslot, neck and neck finish cooperation, the outside of locking piece is plane portion, the constant head tank has been seted up to the lateral wall of the plane portion that the locking groove corresponds, locking spring one end holding in the constant head tank, the other end top is on plane portion, still be provided with the locking lug in the bottom of locking piece.

The bottom surface and the top surface of the locking groove below the locking block are provided with column holes, the front side and the rear side of the unlocking driving block are provided with coaxial convex columns, the two convex columns are accommodated in the column holes on the bottom surface and the top surface of the locking groove, and the executing part is positioned above the convex columns and positioned at the inner side of the locking convex columns.

The inner side of the unlocking driving block is also provided with a second positioning groove, a return spring is arranged in the second positioning groove, the other end of the return spring is propped against the side wall of the port, and the return spring applies acting force which is propped open towards two sides to the unlocking driving block.

The valve body comprises a valve body and a valve cover, the valve body is integrated with the connecting joint, the locking groove is arranged on the combining surface of the valve body and the valve cover, and the port of the locking groove is provided with two sides of the lower portion of the valve body and the lower portion of the valve cover.

The locking piece is in inclined plane transition from the neck to the tooth thread part.

The unlocking driving block, the valve body and the connecting joint are made of metal materials.

The locking block is made of nylon or graphite material.

The invention adopts two unlocking driving blocks to control the locking structure of the locking block, and the locking block is made of materials such as nylon or graphite which can not scratch the external thread of the air nozzle, the inner side of the locking block adopts one-way insection, and the locking spring provides elasticity, the air nozzle of the tire is automatically locked when being inserted into the air nozzle jack, when the inflation is completed, the unlocking driving blocks at the two sides are only required to be inwards extruded together, and then the inflation air nozzle is pulled out, the operation is more convenient, because the invention adopts the locking mode of the spring matched with the locking block, the problem of metal fatigue does not exist, and the volume of the inflation air nozzle is greatly reduced, and the invention has the characteristics of reasonable structure, convenient use and durability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an exploded view of the valve body of the present invention;

fig. 4 is a schematic structural diagram of the unlocking driving block of the present invention.

Detailed Description

As shown in fig. 1-4, a tire inflation nozzle comprises a valve body 1, a connecting joint 2 is arranged at one end of the valve body, an air outlet hole 11 and a nozzle insertion hole 12 are formed in the valve body 1, the air outlet hole 11 is communicated with the connecting joint 2, an air inlet thimble 3 is arranged between the air outlet hole 11 and the nozzle insertion hole 12, a sealing ring 32 is sleeved on the periphery of the air inlet thimble 3, an air groove 31 is formed at the air inlet thimble 3, and the air groove 31 is used for communicating the air outlet hole 11 with the nozzle insertion hole 12; the valve body 1 comprises a valve body 101 and a valve cover 102, the valve body 101 and the connecting joint 2 are integrated, the locking groove 13 is arranged on the combining surface of the valve body 101 and the valve cover 102, and the port 131 of the locking groove 13 is arranged on two sides of the lower parts of the valve body 101 and the valve cover 102; the locking groove 13 on each side is pivoted with a locking block 5, the inner side of the locking block 5 is provided with a one-way insection 51, a locking spring 6 is arranged between the outer side of the locking block 5 and the side wall of the locking groove 13, the locking spring 6 pushes the one-way insection 51 on the inner side of the locking block 5 to the air nozzle jack 12 so that the one-way insection 51 is positioned in the air nozzle jack 12, the locking groove 13 is also pivoted with an unlocking driving block 7, a driving part 71 of the unlocking driving block 7 extends out of the valve body 1 from a port 131 on the outer side of the locking groove 13, an execution part 72 of the unlocking driving block 7 is matched with the locking block 5, and the pressing driving part or rotating the unlocking driving block 7 drives the locking block 5 to extrude the locking spring 6 through the execution part 72 and enable the locking; the unlocking driving block 7, the valve body 1 and the connecting joint 2 are made of metal materials; the locking block 5 is made of nylon or graphite material.

The upper end of the lock block 5 is provided with a column-shaped body 52, the column-shaped body 52 is connected with the lock block 5 through a neck part 53, a column-shaped groove 132 is arranged above the locking groove 13, the column-shaped groove 132 is communicated with the locking groove 13 through a neck opening 133, the column-shaped body 52 is accommodated in the column-shaped groove 132, the neck part 53 is matched with the neck opening 133, the outer side of the lock block 5 is a plane part, the side wall of the plane part corresponding to the locking groove 13 is provided with a positioning groove 55, one end of the locking spring 6 is accommodated in the positioning groove 55, the other end of the locking spring is propped against the plane part, and the bottom of the lock block; the locking block 5 is in inclined transition from the neck part 53 to the one-way thread part 51.

The bottom surface and the top surface of the locking groove 13 below the locking block 5 are provided with column holes 56, the front side and the rear side of the unlocking driving block 7 are provided with coaxial convex columns 73, the two convex columns 73 are accommodated in the column holes 56 on the bottom surface and the top surface of the locking groove 13, and the executing part 72 is positioned above the convex columns 73 and is positioned at the inner side of the locking lug 54; the inner side of the unlocking driving block 7 is further provided with a second positioning groove 74, a return spring 8 is arranged in the second positioning groove 74, the other end of the return spring 8 is propped against the side wall of the port 131, and the return spring 8 applies acting force which is spread towards two sides to the unlocking driving block 7.

The invention adopts two unlocking driving blocks 7 to control the locking structure of the locking block 5, and the locking block 5 is made of materials such as nylon or graphite which can not scratch the external thread of the air tap, the inner side of the locking block 5 adopts one-way insection 51, the one-way insection 51 provides elasticity through the locking spring 6, when the air tap of the tire is inserted into the air tap jack, the one-way insection 51 is automatically clamped on the external thread of the air tap, the inflating air tap is locked on the air tap of the tire, the end part of the air tap is propped against the sealing ring 32 sleeved on the periphery of the air inlet thimble 3, and the communicating tightness is ensured; when the inflation is finished, only the two sides are required to extrude and unlock the driving parts 71 of the driving blocks 7, the driving parts inwards enable the execution parts 72 at the upper ends to be opened towards the two sides, and the execution parts 72 drive the locking blocks to rotate towards the outer sides, so that the one-way insection 51 at the inner sides of the locking blocks 5 are separated from the air nozzle insertion holes 12 and are contracted into the locking grooves 13, the locking of the air nozzle is released, the tire air nozzle and the inflation air nozzle are separated, the inflation air nozzle is pulled out at the moment, and the whole operation is very convenient; the locking block 5 made of nylon or graphite materials can not scratch the external thread of the air faucet, so that the problem of thread sliding of the external thread is solved.

The invention adopts the locking mode of matching the spring with the locking block, so that the problem of metal fatigue does not exist, and meanwhile, the overall volume is greatly reduced after the structure is improved.

The directions or positional relationships indicated by the top, bottom, etc. in the present invention are based on the directions or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.