CN212616944U

CN212616944U - Tyre inflating valve

Info

Publication number: CN212616944U
Application number: CN202021637335.1U
Authority: CN
Inventors: 陈仙福
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2021-02-26
Anticipated expiration: 2030-08-08

Abstract

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 utility model discloses owing to adopt the locking mode of spring fit locking piece, there is not the tired problem of metal, and the volume of inflating the air cock simultaneously reduces greatly, has rational in infrastructure, convenient to use, durable's characteristics.

Description

Tyre inflating valve

Technical Field

The utility model relates to a tire inflation instrument specifically is a tire inflation air cock.

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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tire inflation air cock, the structure to inflating the air cock carries out redesign, is provided with the locking piece in the both sides of the inside air cock jack of valve body, the inboard concrete one-way insection of locking piece to the locking piece makes one-way insection centre gripping on the screw thread of tire air cock outer wall through the locking spring, makes the air cock can only one-way motion in the air cock jack, can not reverse extract, the utility model discloses owing to adopt the locking means of spring fit locking piece, there is not the tired problem of metal, the volume of inflating the air cock simultaneously dwindles greatly, has rational in infrastructure, convenient to use, durable's characteristics.

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 mechanism is characterized in that a cylindrical body is arranged at the upper end of the locking block, the cylindrical body is connected with the locking block through a neck, a cylindrical groove is formed above the locking groove, the cylindrical groove is communicated with the locking groove through a neck opening, the cylindrical body is contained in the cylindrical groove, the neck is matched with the neck opening, the outer side of the locking block is a plane portion, a positioning groove is formed in the side wall of the plane portion corresponding to the locking groove, one end of a locking spring is contained in the positioning groove, the other end of the locking spring abuts against the plane portion, and a locking and unlocking lug is further arranged at the bottom of.

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 utility model discloses a locking structure of two unblock drive block control locking pieces to material that can not fish tail air cock external screw threads such as material with the locking piece adoption nylon or graphite is made, and the locking piece inboard adopts one-way insection, and provides elasticity through the locking spring, and the air cock of tire is automatic locking when inserting in the air cock jack, when aerifing the completion, only needs to extrude the unblock drive block of both sides inwards together, then extracts and aerify the air cock can, it is more convenient to operate, the utility model discloses owing to adopt the locking mode of spring fit locking piece, there is not the tired problem of metal, the volume of aerifing the air cock simultaneously reduces greatly, has rational in infrastructure, convenient to use, durable's characteristics.

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 a schematic view of the exploded structure 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 piece 5 is in inclined transition from the neck 53 to the one-way insection 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 utility model discloses a two unblock drive block 7 control locking structure of locking piece 5 to with locking piece 5 adopt materials such as nylon or graphite can not fish tail air cock external screw thread to make, locking piece 5 inboard adopts one-way insection 51, one-way insection 51 provides elasticity through locking spring 6, when the air cock of tire was inserted in the air cock jack, one-way insection 51 automatic joint was on the external screw thread of air cock, will aerify the air cock locking on the tire air cock, the air cock tip pushes up on the sealing washer 32 that the periphery cover of thimble 3 that admits air established, ensure the leakproofness of intercommunication; 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 utility model discloses owing to adopt the locking mode of spring fit locking piece, there is not the tired problem of metal, holistic volume dwindles greatly behind the structural improvement simultaneously, the utility model has the characteristics of rational in infrastructure, convenient to use, durable.

In the present invention, the directions or positional relationships indicated by the top, bottom, etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

Claims

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 device 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 plane part, a positioning groove (55) is formed in the side wall of the plane 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 plane 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 (53) to the one-way insection (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.