CN217270699U

CN217270699U - Fan-shaped pad bidirectional air outlet piston for bidirectional inflator

Info

Publication number: CN217270699U
Application number: CN202220306510.1U
Authority: CN
Inventors: 高超; 高长存; 刘策源
Original assignee: Shandong Bowen Gaoqiang Plastic Products Co ltd
Current assignee: Shandong Bowen Gaoqiang Plastic Products Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-08-23
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses a two-way piston of giving vent to anger of fan-shaped pad for two-way inflater, including lower cover and upper cover, lower cover and upper cover offset, just be equipped with sealing mechanism between lower cover and the upper cover, the inner wall fixedly connected with adapter sleeve of lower cover, adapter sleeve runs through the inner circle of upper cover and is connected through first coupling mechanism rather than, the top of upper cover is equipped with removes the pipe, remove the bottom of pipe and install the connecting pipe, be connected through second coupling mechanism between connecting pipe and the adapter sleeve, sealing mechanism is including setting up the annular groove at lower cover upper end lateral wall, just the upper end of lower cover is equipped with the rubber pad, the bottom fixedly connected with of upper cover rather than integrated into one piece's go-between, go-between and annular groove phase-match and rather than the inner wall looks. The utility model discloses guaranteeing under upper cover and the better condition of lower cover leakproofness, the convenience is dismantled upper cover and lower cover simultaneously, even there is the leakproofness problem rework of also being convenient for.

Description

Fan-shaped pad bidirectional air outlet piston for bidirectional inflator

Technical Field

The utility model relates to the technical field of machinery, especially, relate to a two-way piston of giving vent to anger of fan-shaped pad for two-way inflater.

Background

The prior art discloses a bidirectional air outlet piston for an inflator with application number of CN201821585323.1, and belongs to the technical field of machinery. This a piston that is used for two-way of inflater to give vent to anger sets up in the inflater barrel, including upper cover and lower cover, be formed with air inlet chamber and air outlet chamber and air inlet chamber and air outlet chamber mutually independent and sealed setting between upper cover and the lower cover, threaded connection has the intake pipe on covering, wear to be equipped with the outlet duct and the outlet duct is inserted and is located covering in the air inlet pipe, be formed with the ventiduct with air inlet chamber looks UNICOM between intake pipe and the outlet duct, the outlet duct is with air outlet chamber looks UNICOM, last air inlet and last gas outlet have been seted up on covering, under cover and seted up air inlet and lower gas outlet, at last air inlet, go up the gas outlet, air inlet and gas outlet department all are equipped with the breathing piece down, the breathing piece that is in last air inlet and lower air inlet is located the air inlet chamber outside, the breathing piece that is in air inlet and gas outlet down is in the air outlet chamber inside. The utility model has the advantages of simple structure, practicality and convenience.

The defects of the patent are that the upper cover and the lower cover are welded according to the area of the welding groove by ultrasonic waves to form a whole, the welding groove can automatically divide the interior of the piston into an air inlet chamber and an air outlet chamber, and the two air chambers are independent and sealed; if the condition that the air leakage is not good when the installation is waiting to be checked, the disassembly of the upper cover and the lower cover is very inconvenient, i.e. the reworking is not convenient, and the consumption and the waste of materials are caused.

Therefore, the fan-shaped cushion bidirectional air outlet piston for the bidirectional inflator is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art, and provides a fan-shaped pad bidirectional air outlet piston for a bidirectional inflator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a two-way piston of giving vent to anger of fan-shaped pad for two-way inflater, includes lower cover and upper cover, lower cover and upper cover offset, just be equipped with sealing mechanism between lower cover and the upper cover, the inner wall fixedly connected with adapter sleeve of lower cover, adapter sleeve runs through the inner circle of upper cover and is connected through first coupling mechanism rather than, the top of upper cover is equipped with removes the pipe, remove the bottom of pipe and install the connecting pipe, be connected through second coupling mechanism between connecting pipe and the adapter sleeve.

Preferably, the sealing mechanism comprises an annular groove formed in the side wall of the upper end of the lower cover, a rubber pad is arranged at the upper end of the lower cover, a connecting ring integrally formed with the upper cover is fixedly connected to the bottom of the upper cover, and the connecting ring is matched with the annular groove and abuts against the inner wall of the annular groove.

Preferably, the outer wall of the connection ring is coated with lubricating oil.

Preferably, the first connecting mechanism comprises a first internal thread arranged on the inner ring of the upper cover, the outer wall of the connecting sleeve is provided with a first external thread, and the first internal thread is meshed with the first external thread.

Preferably, the second connecting mechanism comprises a second internal thread arranged on the inner wall of the connecting pipe, a second external thread is arranged on the outside of the connecting sleeve, and the second internal thread is meshed with the second external thread.

Preferably, the first external thread and the second external thread are the same thread.

Compared with the prior art, the utility model, its beneficial effect does:

1. the first external thread and the first internal thread meshing connection on the connecting sleeve, go into in the annular groove is gone into to the go-between card this moment, then mesh second internal thread and the second external thread on the connecting pipe mutually, and the bottom and the upper cover of connecting pipe offset, so through the cooperation of first internal thread, first external thread, second internal thread and second external thread, can make stable the linking together of upper cover and lower cover, be difficult for relaxing to can guarantee its leakproofness.

2. The outer wall of the connecting ring is coated with lubricating oil, so that the lubricating oil can form an oil film between the connecting ring and the annular groove, and the oil film is stable due to attraction of molecules, so that the sealing property of the connection between the lower cover and the upper cover is ensured.

To sum up, the utility model discloses under the better condition of assurance upper cover and lower cover leakproofness, the convenience is dismantled upper cover and lower cover simultaneously, even there is the leakproofness problem rework of also being convenient for.

Drawings

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

FIG. 2 is a perspective outer ring view of the middle and lower cover of the present invention;

fig. 3 is a perspective view of the upper cover of the present invention.

In the figure: 1 lower cover, 2 upper covers, 3 connecting sleeves, 4 moving pipes, 5 connecting pipes, 6 second connecting mechanisms, 7 first connecting mechanisms, 8 annular grooves, 9 rubber pads and 10 connecting rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a fan-shaped cushion bidirectional air outlet piston for a bidirectional inflator comprises a lower cover 1 and an upper cover 2, wherein the lower cover 1 abuts against the upper cover 2, a sealing mechanism is arranged between the lower cover 1 and the upper cover 2, the sealing mechanism comprises an annular groove 8 arranged on the side wall of the upper end of the lower cover 1, a rubber pad 9 is arranged at the upper end of the lower cover 1, the bottom of the upper cover 2 is fixedly connected with a connecting ring 10 integrally formed with the upper cover, the connecting ring 10 is matched with the annular groove 8 and abuts against the inner wall of the annular groove, the upper cover 2 and the lower cover 1 can be ensured to be stably and positively opposite under the matching of the connecting ring 10 and the annular groove 8, and the sealing performance of the connecting part can be improved by arranging the rubber pad 9; wherein, the outer wall of go-between 10 is smeared with lubricating oil, and lubricating oil can form the oil film between go-between 10 and annular groove 8 like this, because the appeal of molecule makes the oil film comparatively stable to guarantee the leakproofness that lower cover 1 and upper cover 2 are connected.

The inner wall of the lower cover 1 is fixedly connected with a connecting sleeve 3, the connecting sleeve 3 penetrates through the inner ring of the upper cover 2 and is connected with the inner ring through a first connecting mechanism 7, the first connecting mechanism 7 comprises a first inner thread arranged on the inner ring of the upper cover 2, a first outer thread is arranged on the outer wall of the connecting sleeve 3, and the first inner thread is meshed with the first outer thread.

A movable pipe 4 is arranged above the upper cover 2, and the movable pipe 4 is an air inlet pipe and an air outlet pipe in a reference document; connecting pipe 5 is installed to the bottom of removing pipe 4, is connected through second coupling mechanism 6 between connecting pipe 5 and the adapter sleeve 3, and second coupling mechanism 6 is equipped with the second external screw including setting up the second internal thread at connecting pipe 5 inner wall, adapter sleeve 3's outside, and second internal thread and second external screw mesh mutually, and first external screw and second external screw are same screw thread.

When the utility model is used, the first external thread on the connecting sleeve 3 is meshed with the first internal thread, the connecting ring 10 is clamped into the annular groove 8, then the second internal thread on the connecting pipe 5 is meshed with the second external thread, and the bottom of the connecting pipe 5 is propped against the upper cover 2, so that the upper cover 2 and the lower cover 1 can be stably connected together through the matching of the first internal thread, the first external thread, the second internal thread and the second external thread, and are not easy to loosen, thereby ensuring the sealing performance;

the outer wall of the connecting ring 10 is coated with lubricating oil, so that the lubricating oil can form an oil film between the connecting ring 10 and the annular groove 8, and the oil film is relatively stable due to the attraction of molecules, so that the sealing performance of the connection between the lower cover 1 and the upper cover 2 is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a two-way piston of giving vent to anger of fan-shaped pad for two-way inflater, includes lower cover (1) and upper cover (2), its characterized in that, lower cover (1) and upper cover (2) offset, just be equipped with sealing mechanism between lower cover (1) and upper cover (2), the inner wall fixedly connected with connecting sleeve (3) of lower cover (1), connecting sleeve (3) run through the inner circle of upper cover (2) and are connected through first coupling mechanism (7) rather than, the top of upper cover (2) is equipped with removes pipe (4), connecting pipe (5) are installed to the bottom of removing pipe (4), be connected through second coupling mechanism (6) between connecting pipe (5) and connecting sleeve (3).

2. The fan-shaped cushion bidirectional air outlet piston for the bidirectional inflator according to claim 1, wherein the sealing mechanism comprises an annular groove (8) formed in the side wall of the upper end of the lower cover (1), a rubber pad (9) is arranged at the upper end of the lower cover (1), a connecting ring (10) integrally formed with the upper cover (2) is fixedly connected to the bottom of the upper cover, and the connecting ring (10) is matched with the annular groove (8) and abuts against the inner wall of the annular groove.

3. The fan-type cushion bidirectional air outlet piston for the bidirectional inflator according to claim 2, wherein the outer wall of the connection ring (10) is coated with lubricating oil.

4. The fan-type cushion bidirectional air outlet piston for the bidirectional inflator according to claim 1, wherein the first connecting mechanism (7) comprises a first internal thread provided on an inner ring of the upper cap (2), and the outer wall of the connecting sleeve (3) is provided with a first external thread, and the first internal thread is engaged with the first external thread.

5. The fan-type cushion bidirectional air outlet piston for the bidirectional inflator according to claim 4, wherein the second connecting mechanism (6) comprises a second internal thread provided on an inner wall of the connecting tube (5), and a second external thread provided on an exterior of the connecting sleeve (3), the second internal thread and the second external thread being engaged with each other.

6. The fan-type cushion bidirectional air outlet piston for the bidirectional inflator according to claim 5, wherein the first external thread and the second external thread are the same thread.