CN210716147U

CN210716147U - Plastic inflating valve and inflatable plastic inner tube

Info

Publication number: CN210716147U
Application number: CN201921249456.6U
Authority: CN
Inventors: 吴成敏
Original assignee: Zhongce Rubber Group Co Ltd
Current assignee: Zhongce Rubber Group Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-06-09
Anticipated expiration: 2029-08-02

Abstract

The utility model relates to a inflating valve technical field especially relates to a plastics inflating valve and aerify the plastics inner tube of a tyre. A plastic valve comprises a valve body and a rubber pad; the nozzle body is made of hard plastic materials, a vent hole is formed in the middle of the nozzle body, and a valve core is arranged in the vent hole; the lower end of the nozzle body is provided with a stepped matching part; the rubber pad is made of soft plastic, the rubber pad is arranged at the lower end of the nozzle body, the outer ring of the rubber pad is diffused from the outer ring of the nozzle body to the bottom, the inner ring of the rubber pad is provided with a step matching part matched with the matching part, and the rubber pad and the nozzle body are connected into a whole through injection. The processing and the manufacturing are simple and convenient, and the cost is low. The utility model has the advantages that: the valve does not need to directly stick the plastic inner tube and the rubber pad of the valve together through vulcanization, so that the vulcanization step and cost are reduced, and the operation is convenient.

Description

Plastic inflating valve and inflatable plastic inner tube

Technical Field

The utility model relates to a inflating valve technical field especially relates to a plastics inflating valve and aerify the plastics inner tube of a tyre.

Background

At present, air valves of various motorcycles, electric vehicles and automobiles are bonded with inner tubes through vulcanization. The inner tube on the market at present is only made of rubber, and the plastic inner tube is also made of plastic, so that the plastic inner tube can save the utilization of rubber, reduce the processing steps, reduce the manufacturing cost and has low cost. The plastic inner tube and the valve cannot be combined together through vulcanization adhesion.

Disclosure of Invention

The utility model aims at: aiming at the defects in the prior art, the plastic inflating valve and the inflatable plastic inner tube are provided, wherein the plastic inner tube and the inflating valve are not required to be vulcanized and are directly adhered to the inner tube.

For the purpose of the utility model, the following technical scheme is adopted to realize:

a plastic valve comprises a valve body and a rubber pad; the nozzle body is made of hard plastic materials, a vent hole is formed in the middle of the nozzle body, and a valve core is arranged in the vent hole; the lower end of the nozzle body is provided with a plum blossom-shaped matching part; the rubber pad is made of soft plastic, the rubber pad is arranged at the lower end of the nozzle body, the outer ring of the rubber pad is diffused from the outer ring of the nozzle body to the bottom, the inner ring of the rubber pad is provided with a step matching part matched with the matching part, and the rubber pad and the nozzle body are connected into a whole through injection. The processing and the manufacturing are simple and convenient, and the cost is low.

Preferably, the matching part comprises a matching groove and a matching step, and the matching step is in an outward protruding shape; the matching groove is connected above the matching step; the length of the mating recess is greater than the length of each of the mating steps. The rubber pad is convenient to process, can be better combined with the mouth body, and has improved firmness.

Preferably, the plastic valve further comprises a dustproof cap, and the dustproof cap is arranged at the upper end of the valve body. Dust can be prevented from entering.

Preferably, the dust cap is made of elastic soft plastic.

Preferably, the upper part of the nozzle body is provided with a circular dustproof cap matching groove; the inside cooperation bulge loop that is provided with dustproof cap cooperation groove assorted of dustproof cap. The installation and the dismantlement of dust cap can be convenient for.

An inflatable plastic inner tube comprises a plastic tube body and a plastic inflating valve, wherein the plastic inflating valve adopts the plastic inflating valve, and a rubber pad is bonded with the plastic tube body through hot melting. Can be directly adhered to the inner tube without vulcanization, and has simple operation and low cost.

Compared with the prior art, the beneficial effects of the utility model are that: the inflating valve directly sticks the plastic inner tube and the rubber pad of the inflating valve together without vulcanization, so that the vulcanization step and cost are reduced, and the operation is convenient; the dustproof cap is not connected with the valve body through threads, and is matched with the matched convex ring through the dustproof cap matched groove, so that the dustproof cap can be conveniently installed on the inflating valve and can be easily taken down from the inflating valve, the rubber pad is better stuck to the inner tube of a tyre through the valve body made of hard plastic.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Detailed Description

In order to make the present invention more comprehensible, the following detailed description is provided with reference to the accompanying drawings.

As shown in fig. 1 and 2, the pneumatic plastic inner tube comprises a plastic tube body and a plastic valve, wherein the valve comprises a valve body 1, a rubber pad 2 and a dust cap 3; the rubber pad 2 is bonded with the plastic matrix through hot melting. Convenient operation and low cost. The rubber pad 2 is arranged at the lower end of the mouth body 1, and the rubber pad 2 and the mouth body 1 are connected into a whole through injection. The whole inflating valve is integrated, and the integral connecting strength is increased. The rubber pad 2 is arranged on the inner tube of the tire through a viscous connecting piece; the valve can be directly arranged on the inner tube of the tire at reduced vulcanization cost. The dust cap 3 is arranged at the upper end of the mouth body 1 and can prevent dust from entering and protect the mouth body 1.

1 is the duroplastic material, can be convenient for and aerify the joint and be connected the cooperation, prevent gas leakage. The middle part of the mouth body 1 is provided with a vent hole 101; a valve core 4 is arranged in the vent hole 101; the lower end of the mouth body 1 is provided with a plum blossom-shaped matching part 102 which is designed into a plum blossom shape and can increase the contact area with the rubber mat 2 and the connection strength with the rubber mat 2. The fitting portion 102 includes a fitting recess 1021 and a fitting step 1022, and the fitting step 1022 is outwardly protruded; the mouth body 1 and the rubber cushion 2 are convenient to process. The matching groove 1021 is connected above the matching step 1022; the matching groove 1021 can ensure that the rubber cushion 2 is better fixed on the mouth body 1, and the connection firmness of the rubber cushion and the mouth body is increased. The length of the matching groove 1021 is larger than that of each step in the matching steps 1022, so that the connection area of the top of the rubber mat and the matching groove can be increased, and the connection strength can be increased. The diameter of the bottom of the mouth body 1 is larger than that of the top of the mouth body 1. The contact area between the bottom of the nozzle body 1 and the rubber pad 2 is increased, the sticking area between the rubber pad 2 and the inner tube is increased, and the sticking of the rubber pad 2 is firmer and more stable. The cushion 2 is soft plastics material, and cushion 2 sets up at the lower extreme of mouth body 1, and cushion 2 cross-section is hollow round platform form, and cushion 2's outer lane is by mouth body outer lane to bottom diffusion, enables the inseparabler and the bonding of inner tube of a tyre of cushion, prevents that cushion 2 from droing from the inner tube of a tyre easily appearing. The inner ring is provided with a step matching part 201 matched with the matching part 102, and the step matching part 201 is connected with the matching part 102 to be matched so as to increase the connection strength of the step matching part 201 and the matching part 102 and prevent air leakage. The dust cap 3 is arranged at the upper end of the mouth body 1 and can prevent dust from entering and protect the mouth body. The upper portion of the nozzle body 1 is provided with a circular-ring-shaped dustproof cap matching groove 103, the dustproof cap 3 is internally provided with a matching convex ring 301 matched with the dustproof cap matching groove 103, the dustproof cap 3 can be conveniently mounted on the inflating valve and can be easily taken down from the inflating valve, and convenience is brought to inflation.

In conclusion, the plastic inner tube and the rubber pad 2 of the inflating valve are directly adhered together without vulcanization of the inflating valve, so that the vulcanization step and cost are reduced, and the inflating valve is convenient to operate; the dust cap 3 is not connected with the valve body 1 through threads, and is matched with the convex ring 301 through the dust cap matching groove 103, so that the dust cap 3 can be conveniently mounted on the inflating valve and can be easily taken down from the inflating valve, the rubber cushion 2 can be better stuck on the inner tube of a tyre through the valve body 1 made of hard plastic.

Claims

1. A plastic valve is characterized by comprising a valve body (1) and a rubber pad (2); the nozzle body (1) is made of hard plastic, a vent hole (101) is formed in the middle of the nozzle body (1), and a valve core (4) is arranged in the vent hole (101); the lower end of the mouth body (1) is provided with a plum blossom-shaped matching part (102); the rubber pad (2) is made of soft plastic, the rubber pad (2) is arranged at the lower end of the mouth body (1), the outer ring of the rubber pad (2) is diffused from the outer ring of the mouth body to the bottom, the inner ring is provided with a step matching part (201) matched with the matching part (102), and the rubber pad (2) and the mouth body (1) are connected into a whole through injection.

2. A plastic valve according to claim 1, wherein said fitting portion (102) comprises a fitting recess (1021) and a fitting step (1022), the fitting step (1022) being outwardly protruded; the matching groove (1021) is connected above the matching step (1022); the length of the fitting groove (1021) is not limited to the length of each of the fitting steps (1022).

3. A plastic valve according to claim 1, characterized in that it further comprises a dust cap (3), said dust cap (3) being provided at the upper end of the valve body (1).

4. A plastic valve according to claim 3, wherein the upper part of the valve body (1) is provided with a circular dustproof cap fitting groove (103); the interior of the dustproof cap (3) is provided with a matching convex ring (301) matched with the dustproof cap matching groove (103).

5. A plastic valve according to claim 3, wherein said dust cap (3) is made of a flexible soft plastic.

6. An inflatable plastic inner tube comprises a plastic tube body and a plastic valve, and is characterized in that the plastic valve is the plastic valve according to any one of claims 1-5, and a rubber pad (2) is bonded with the plastic tube body through hot melting.