CN217874364U - Inflating nozzle and TPU bicycle inner tube - Google Patents

Abstract

The utility model particularly relates to an aerify and chew and TPU bicycle inner tube of a tyre, including the screwed pipe, the lower extreme of screwed pipe is equipped with the TPU bottom plate, and the inner wall of screwed pipe is equipped with spacing portion, still is equipped with the screw rod in the screwed pipe, and outside the upper end of screw rod extended to the screwed pipe, the lower extreme of screw rod was equipped with sealed piece, and spacing portion department is arranged in to sealed piece, and the upper end of screw rod is still spiro union has air guide nut, and air guide nut's surface is equipped with the gas guide mouth, and the gas guide mouth is linked together with the screwed pipe. The utility model has the advantages that: the structure is characterized in that a screw rod is further arranged in the threaded pipe, a sealing block is arranged at the lower end of the screw rod, the sealing block is implemented by twisting the air guide nut, the sealing block is arranged at the position of the limiting part or the sealing block is far away from the limiting part, the air-off or ventilation function of the threaded pipe is implemented, the structure can be adapted to the TPU inflatable inner tube, and air inlet and sealing can be facilitated; in addition, the TPU bottom plate and the TPU inflatable inner tube are welded through ultrasonic waves, the position of the threaded pipe is fixed, and daily use is facilitated.

Description

Inflating nozzle and TPU bicycle inner tube

Technical Field

The utility model particularly relates to an aerify and chew and TPU bicycle inner tube of a tyre.

Background

In recent years, in the middle-high end sports bicycle market, users have strong requirements for weight reduction and performance enhancement of bicycles, and the traditional bicycle inner tube is mostly a butyl inner tube, but the traditional butyl inner tube is heavy, poor in puncture resistance and large in rolling resistance, so that a preparation method of the TPU ultra-light bicycle inner tube is urgently needed. For example, the national intellectual property office discloses a patent application with the following number: 202111492464.5, name: a preparation method of a TPU (thermoplastic polyurethane) ultra-light bicycle inner tube comprises the following steps: s1, putting a tube rubber material consisting of TPU, a tapping agent, color master and butadiene rubber into a dryer, drying for 4 hours at 104 ℃, and uniformly stirring; s2, putting the dried tire tube rubber material into a hopper of a tire tube extruder, obtaining a TPU tire tube through the tire tube extruder, and cooling and shaping the TPU tire tube; s3, conveying the TPU tire tube into an ink-jet printer for code spraying; s4, conveying the code-sprayed TPU tire tube to a tractor, and cutting the TPU tire tube through the tractor and a cutting machine to obtain a TPU inner tube; s5, putting the air faucet rubber material consisting of the TPU and the color master into a dryer, drying for 4 hours at the temperature of 80 ℃, and uniformly stirring; s6, putting the dried air faucet glue material into a hopper of an air faucet injection molding machine, installing an air faucet mold into the air faucet injection molding machine, and obtaining a TPU air faucet through the air faucet mold; s7, putting the air tap adapter sheet rubber material consisting of TPU and color master into a dryer, drying for 4 hours at the temperature of 80 ℃, and uniformly stirring; s8, putting the dried air nozzle adapter sheet rubber material into a hopper of an air nozzle adapter sheet injection molding machine, installing an air nozzle adapter sheet mold into the air nozzle adapter sheet injection molding machine, inserting the TPU air nozzle obtained in the step S6 into the air nozzle adapter sheet mold, and obtaining the TPU air nozzle with the adapter sheet through the air nozzle adapter sheet mold; s9, punching the TPU inner tube obtained in the step S4, inserting the TPU air nozzle with the adapter sheet into the TPU inner tube from the punched hole and welding the TPU inner tube by a high-frequency welding machine; and S10, performing closed-loop welding on the TPU inner tube processed in the step S9 through a high-frequency welding machine to obtain the TPU ultra-light bicycle inner tube.

However, the method solves the problem that the TPU ultra-light bicycle inner tube is manufactured, but the inner tube is not provided with a corresponding inflation nozzle, so that the TPU ultra-light bicycle inner tube cannot be applied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome foretell technical problem and provide an ability adaptation TPU aerifys the inner tube of a tyre, can conveniently admit air and sealed aerify chew and the TPU bicycle inner tube of a tyre.

The utility model discloses a pair of aerify and chew, including the screwed pipe, the lower extreme of screwed pipe is equipped with the TPU bottom plate, and the inner wall of screwed pipe is equipped with spacing portion, still is equipped with the screw rod in the screwed pipe, and outside the upper end of screw rod extended to the screwed pipe, the lower extreme of screw rod was equipped with sealed piece, and spacing portion department is arranged in to sealed piece, and the upper end of screw rod is still spiro union has air guide nut, and air guide nut's surface is equipped with the gas guide mouth, and the gas guide mouth is linked together with the screwed pipe.

Specifically, the upper end surface of the threaded pipe is provided with an upper thread, and an external air guide nut is screwed on the upper thread.

Specifically, a protective cap is screwed on the upper end of the threaded pipe.

Specifically, the lower end of the limiting part is provided with a limiting inclined plane, the upper surface of the sealing block is provided with a sealing inclined plane, and the sealing inclined plane is arranged at the limiting inclined plane.

Specifically, the TPU bottom plate is provided with an air inlet, and the threaded pipe is in threaded connection with the air inlet.

Specifically, the inner wall of the air inlet is provided with an internal thread piece, and the internal thread piece is meshed with the threaded pipe.

Specifically, the upper surface of the TPU base plate is provided with a mounting convex part.

Specifically, the TPU bottom plate is oblate or round or square.

The utility model discloses a TPU bicycle inner tube of a tyre, aerify the inner tube of a tyre including TPU, TPU aerifys to be equipped with on the inner tube of a tyre and aerifys to chew.

Specifically, the TPU bottom plate of the inflation nozzle and the TPU inflation inner tube are welded through ultrasonic waves.

Specifically, the threaded pipe of the inflation nozzle is communicated with the TPU inflation inner tube.

The utility model has the advantages that: the structure is characterized in that a screw rod is further arranged in the threaded pipe, a sealing block is arranged at the lower end of the screw rod, the air guide nut is twisted to implement the sealing block, the sealing block is arranged at the position of the limiting part or far away from the limiting part, the air-off or ventilation function of the threaded pipe is implemented, the structure can be adapted to a TPU inflatable inner tube, and air inlet and sealing can be facilitated; in addition, the TPU bottom plate and the TPU inflatable inner tube are welded through ultrasonic waves, the position of the threaded pipe is fixed, and daily use is facilitated.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings.

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

Fig. 2 is a schematic view of the structure of the utility model in use.

Fig. 3 is a schematic view of a part a of the enlarged structure of fig. 2.

FIG. 4 is a schematic view of the outer airway nut of FIG. 3 shown removed and with the sealing cap installed in the threaded tube.

FIG. 5 is a schematic view of the connection structure of the TPU base plate and the threaded pipe.

The reference numbers are as follows:

the TPU inflatable inner tube comprises a TPU inflatable inner tube 1, an air inlet 101, a TPU bottom plate 2, an internal thread piece 201, a thread tube 3, an upper thread 301, a limiting part 302, a limiting inclined plane 303, an air guide nut 4, an air guide port 401, a screw rod 5, a sealing block 501, a sealing inclined plane 502, an external air guide nut 6 and a protective cap 7.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 5, the utility model discloses an aerify and chew, including screwed pipe 3, to this embodiment, screwed pipe 3 makes for stainless steel material, and its purpose is for increasing to aerify and chews the durability, the lower extreme of screwed pipe 3 is equipped with TPU bottom plate 2, and the inner wall of screwed pipe 3 is equipped with spacing portion 302, still is equipped with screw rod 5 in the screwed pipe 3, and outside screw rod 5's upper end extended to screwed pipe 3, screw rod 5's lower extreme was equipped with sealed piece 501, and spacing portion 302 department is arranged in to sealed piece 501, and screw rod 5's upper end still spiro union has air guide nut 4, and air guide nut 4's surface is equipped with air guide port 401, and air guide port 401 is linked together with screwed pipe 3.

The structure is characterized in that a screw rod 5 is further arranged in the threaded pipe 3, a sealing block 501 is arranged at the lower end of the screw rod 5, and the screw rod 5 and the sealing block 501 are integrated. The local part of the screw rod 5 and the sealing block 501 are positioned in the threaded pipe 3, the air guide nut 4 is twisted to lead the screw rod 5 to ascend, the sealing block 501 is also arranged at the position-limiting part 302 when the sealing block 501 ascends, the whole threaded pipe 3 is closed, and air cannot be fed or discharged;

when the screw rod 5 moves downwards, the sealing block 501 is far away from the limiting part 302, the threaded pipe 3 is ventilated, air can be fed at the moment, and the structure can be adapted to a TPU inflatable inner tube and can facilitate air inlet and sealing; wherein, this structure needs to use the air pump, and the gas outlet of air pump is connected on screwed pipe 3, and screwed pipe 3 is in the open mode (when sealed piece 501 kept away from spacing portion 302 promptly), and high-pressure gas gets into from leading gas port 401 of air guide nut 4 to get into in the screwed pipe 3.

For the connection between the air pump and the threaded pipe 3, the following structure is required:

the upper end surface of the threaded pipe 3 is provided with an upper thread 301, and the upper thread 301 is screwed with an external air guide nut 6. The air outlet end of the air pump is connected to the outer air guide nut 6.

When the gas charging is not used, the gas guide nut 6 is taken out of the threaded pipe 3, the gas guide nut 4 is screwed tightly, the screw rod 5 and the sealing block 501 are reset, the sealing block 501 is fixed on the limiting part 302 again, the gas cut-off of the threaded pipe 3 is implemented, and at the moment, the upper end of the threaded pipe 3 is screwed with the protective cap 7. The protective cap 7 is used to protect the air guide nut 4 from impact.

This structure the lower extreme of spacing portion 302 is equipped with spacing inclined plane 303, and sealed piece 501 upper surface is equipped with sealed inclined plane 502, and spacing inclined plane 303 department is arranged in to sealed inclined plane 502, avoids the dead phenomenon of card to take place.

This structure TPU bottom plate 2 is equipped with air inlet 101, and screwed pipe 3 spiro union in air inlet 101 can let screwed pipe 3 be fixed in air inlet 101, also can implement screwed pipe 3 and TPU bottom plate 2 separation.

Furthermore, the inner wall of the air inlet 101 of the structure is provided with an internal thread member 201, and the internal thread member 201 is engaged with the threaded pipe 3.

This structure the upper surface of TPU bottom plate 2 is equipped with installation convex part 202, prolongs TPU bottom plate 2 and screwed pipe 3 area of contact, promotes whole fastness.

In the structure, the TPU base plate 2 is preferably oblate, and the TPU base plate 2 is circular or square and is not shown in the attached drawings.

The utility model discloses a TPU bicycle inner tube of a tyre, aerify the inner tube of a tyre 1 including TPU, TPU aerifys to be equipped with on the inner tube of a tyre 1 and aerifys to chew, aerifys to chew including foretell aerifing and chew. In addition, the TPU bottom plate 2 and the TPU inflatable inner tube 1 are welded through ultrasonic waves, and the position of the threaded pipe 3 is fixed, so that the TPU inflatable inner tube is convenient to use in daily life. The threaded pipe 3 of the inflation nozzle is communicated with the TPU inflatable inner tube 1.

When the air pump inflates TPU inflatable inner tube 1 through inflating the mouth, when TPU inflatable inner tube 1 internal atmospheric pressure is greater than the external world, promote sealed piece 501 and shift upwards, sealed piece 501 is arranged in spacing portion 302's bottom surface department, implements sealed whole screwed pipe 3, provides and fills enough time, dismantles air guide nut 6 and twists tight air guide nut 4, implements fixed sealed piece 501, avoids atmospheric pressure to follow screwed pipe 3 or air guide nut 4 exhaust atmospheric pressure.

The above description is only exemplary of the present invention and should not be taken as limiting the invention, as 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 (10)

1. Aerify and chew, including screwed pipe (3), its characterized in that: the lower extreme of screwed pipe (3) is equipped with TPU bottom plate (2), the inner wall of screwed pipe (3) is equipped with spacing portion (302), still be equipped with screw rod (5) in screwed pipe (3), the upper end of screw rod (5) extends to outside screwed pipe (3), the lower extreme of screw rod (5) is equipped with sealed piece (501), spacing portion (302) department is arranged in sealed piece (501), air guide nut (4) have still spiro union in the upper end of screw rod (5), the surface of air guide nut (4) is equipped with leads gas port (401), lead gas port (401) and screwed pipe (3) and be linked together.

2. The inflator of claim 1 wherein: the upper end surface of the threaded pipe (3) is provided with an upper thread (301), and the upper thread (301) is screwed with an external air guide nut (6).

3. The inflator of claim 1 wherein: the upper end of the threaded pipe (3) is screwed with a protective cap (7).

4. The inflator of claim 1 wherein: the lower end of the limiting part (302) is provided with a limiting inclined plane (303), the upper surface of the sealing block (501) is provided with a sealing inclined plane (502), and the sealing inclined plane (502) is arranged at the limiting inclined plane (303).

5. The inflator of claim 1 wherein: the TPU bottom plate (2) is provided with an air inlet (101), and the threaded pipe (3) is in threaded connection with the air inlet (101).

6. The inflator of claim 5 wherein: the inner wall of the air inlet (101) is provided with an internal thread piece (201), and the internal thread piece (201) is meshed with the threaded pipe (3).

7. The inflator of claim 1 wherein: and the upper surface of the TPU bottom plate (2) is provided with a mounting convex part (202).

8. The inflator of claim 1 wherein: the TPU bottom plate (2) is oblate or round or square.

The TPU bicycle inner tube of a tyre, aerify inner tube of a tyre (1) including TPU, its characterized in that: the TPU inflatable inner tube (1) is provided with an inflation nozzle which comprises the inflation nozzle as claimed in any one of claims 1 to 8, and the TPU soleplate (2) of the inflation nozzle is welded with the TPU inflatable inner tube (1) through ultrasonic waves.

10. The TPU bicycle inner tube of claim 9, wherein: the threaded pipe (3) of the inflation nozzle is communicated with the TPU inflatable inner tube (1).

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