CN209290363U - A kind of rotational structure for automatic tyre air inflation with check function - Google Patents

A kind of rotational structure for automatic tyre air inflation with check function Download PDF

Info

Publication number
CN209290363U
CN209290363U CN201822063548.7U CN201822063548U CN209290363U CN 209290363 U CN209290363 U CN 209290363U CN 201822063548 U CN201822063548 U CN 201822063548U CN 209290363 U CN209290363 U CN 209290363U
Authority
CN
China
Prior art keywords
air inlet
inlet pipe
seal chamber
gas outlet
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201822063548.7U
Other languages
Chinese (zh)
Inventor
雷宜专
孙亮
吴志宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhenjiang Shen Xing Tai Bao Technology Co Ltd
Original Assignee
Zhenjiang Shen Xing Tai Bao Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhenjiang Shen Xing Tai Bao Technology Co Ltd filed Critical Zhenjiang Shen Xing Tai Bao Technology Co Ltd
Priority to CN201822063548.7U priority Critical patent/CN209290363U/en
Application granted granted Critical
Publication of CN209290363U publication Critical patent/CN209290363U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Tires In General (AREA)

Abstract

The utility model proposes a kind of rotational structures for automatic tyre air inflation with check function, including shell, air inlet pipe and tire hose;The seal chamber of cylindrical structure is equipped in shell, seal chamber is equipped with air inlet along one end of its axis direction, and seal chamber is equipped at least one gas outlet along its diametric side wall;Air inlet pipe it is closed at one end, the closed end of air inlet pipe passes through inlet gas and enters in seal chamber, and air inlet pipe is fixed in seal chamber by two swivel bearings, uniformly distributed multiple ventholes on the tube wall that air inlet pipe is correspondingly arranged with gas outlet;Tire hose is connected by non-return structure with the gas outlet of shell;Under the utility model effective solution vehicle case of heavy load, the problem of tire pressure flows back, while solving the problems, such as that tire hose damages system gas leakage, structure is simple, securely and reliably, use scope is wide.

Description

A kind of rotational structure for automatic tyre air inflation with check function
Technical field
It is the utility model relates to a kind of rotational structure, in particular to a kind of that there is check function for automatic tyre air inflation Rotational structure.
Background technique
With the rapid development of automotive engineering, the demand that people control tire pressure is growing day by day, the use of special purpose vehicle Make this demand more obvious.Trailer as a kind of purpose-built vehicle, the control of tire pressure not only concerning the abrasion of tire with it is whole Vehicle oil consumption, more relationship driving safety.Trailer axle is generally not equipped with rotation sealing gland, and trailer becomes during travelling to tire benefit It is difficult.
Rotary joint can well solve this problem, and rotary joint includes three parts, i.e. rotating part, sealing Part and stationary part.Rotating part is connect with rotating drum, and stationary part is connect with quiet chamber, there is complete gas between this two parts Body channel, seal member are sealed gas, prevent gas from leaking.
It under normal circumstances, is using on the direct trachea to tyre valve of rotary joint, when opening gas to tyre inflating After door core, wheel nausea is easily returned in loading line, causes to have a flat tire.
Utility model content
The utility model proposes a kind of rotation knot for automatic tyre air inflation with check function regarding to the issue above Structure, under effective solution vehicle case of heavy load, the problem of tire pressure flows back, while solving the damage system gas leakage of tire hose The problem of, structure is simple, and securely and reliably, use scope is wide.
Specific technical solution is as follows:
A kind of rotational structure for automatic tyre air inflation with check function, including shell, air inlet pipe and tire hose;
The seal chamber of cylindrical structure is equipped in shell, seal chamber is equipped with air inlet, sealing along one end of its axis direction Chamber is equipped at least one gas outlet along its diametric side wall;
Air inlet pipe it is closed at one end, the closed end of air inlet pipe passes through inlet gas and enters in seal chamber, and air inlet pipe passes through two Swivel bearing is fixed in seal chamber, uniformly distributed multiple ventholes on the tube wall that air inlet pipe is correspondingly arranged with gas outlet;
Tire hose is connected by non-return structure with the gas outlet of shell.
Further, non-return structure includes connecting tube, and one end of connecting tube is equipped with nut, radial in connecting tube to be equipped with one A demarcation plate is equipped with the first jack at the center of demarcation plate, fixes a pressure cap on one end similar in the first jack and nut;
It is equipped with the second jack in pressure cap, the multiple baffles being obliquely installed of laying of the side of pressure cap circumferentially shape work as baffle In a free state, what baffle mutually polymerize covers the second jack, and baffle is laid in one end similar in pressure cap and nut;
Nut is locked on the transfer tube on the gas outlet for being located at shell by what is be threadedly engaged, and transfer tube insertion connects It is connected in adapter tube with connecting tube;
The end of tire hose is equipped with gland, and gland is equipped with the insertion pipe being connected with tire hose, the end of insertion pipe Portion is equipped with lock pin, and lock pin is connected by insertion pipe with tire hose;
Gland is fixed on the other end of connecting tube by way of being clamped or being threadedly engaged, and lock pin is made to pass through the first jack It is inserted into the second jack of pressure cap, realizes and be connected between tire hose and the gas outlet of shell.
Further, a spring is arranged on the outside of insertion pipe, one end of spring is weldingly fixed on lock pin.
Further, the outer diameter of lock pin is less than the outer diameter of insertion pipe, and the outer diameter of insertion pipe is less than the outer diameter of tire hose.
Further, pressure sets multiple O-rings between seal chamber and air inlet pipe, and O-ring is laid in the two sides of gas outlet respectively.
Utility model works principle is as follows:
When the utility model is installed, shell is locked on bead seat by fastener, by air inlet pipe and inflation Tank is connected, and realizes wheel end high speed rotation by swivel bearing;
When tire hose is connected in connecting tube, lock pin is just able to achieve charge operation after being inserted into pressure cap, when tire hose is broken Damage or tyre explosion, it is only necessary to remove tire hose, what baffle mutually polymerize at this time covers the second jack, and connecting tube, which is in, closes Closed state will not influence other tire pressures;
Non-return structure can be realized unidirectional cutoff, it is ensured that tire does not flow back in tire pressure when overloaded.
The utility model has the following beneficial effects:
The utility model fundamentally solves the problems, such as heavy duty tire gas backstreaming, takes into account and solves tire hose breakage And system leakage problem when blowing out, it can guarantee use of the automatic tire inflation system under complex working condition, strong applicability, safety Reliably.
Detailed description of the invention
Fig. 1 is the utility model partial sectional view.
Fig. 2 is non-return schematic enlarged-scale view in Fig. 1.
Fig. 3 is pressure cap free state cross-sectional view.
Fig. 4 is the cross-sectional view that lock pin is inserted into after pressure cap.
Specific embodiment
It is clear to be more clear the technical solution of the utility model, the utility model is carried out into one with reference to the accompanying drawing Step description, the technical characteristic of any pair of technical solutions of the utility model carry out the scheme that equivalencing is obtained with conventional reasoning and fall Enter scope of protection of the utility model.
Appended drawing reference
Shell 1, tire hose 3, seal chamber 4, air inlet 5, gas outlet 6, swivel bearing 7, venthole 8, connects air inlet pipe 2 Adapter tube 9, demarcation plate 11, the first jack 12, pressure cap 13, the second jack 14, baffle 15, gland 16, insertion pipe 17, is inserted nut 10 Core 18, spring 19, O-ring 20.
A kind of rotational structure for automatic tyre air inflation with check function as shown in the figure, including shell 1, air inlet pipe 2 With tire hose 3;
The seal chamber 4 of cylindrical structure is equipped in shell, seal chamber is equipped with air inlet 5 along one end of its axis direction, close It seals chamber and is equipped at least one gas outlet 6 along its diametric side wall;
Air inlet pipe it is closed at one end, the closed end of air inlet pipe passes through inlet gas and enters in seal chamber, and air inlet pipe passes through two Swivel bearing 7 is fixed in seal chamber, uniformly distributed multiple ventholes 8 on the tube wall that air inlet pipe is correspondingly arranged with gas outlet;
Tire hose is connected by non-return structure with the gas outlet of shell.
Further, non-return structure includes connecting tube 9, and one end of connecting tube is equipped with nut 10, radial in connecting tube to set There is a demarcation plate 11, the first jack 12 is equipped at the center of demarcation plate, fixes one on one end similar in the first jack and nut A pressure cap 13;
It is equipped with the second jack 14 in pressure cap, the multiple baffles 15 being obliquely installed of laying of the side of pressure cap circumferentially shape, when In a free state, what baffle mutually polymerize covers the second jack to baffle, and baffle is laid in one similar in pressure cap and nut End;
Nut is locked on the transfer tube on the gas outlet for being located at shell by what is be threadedly engaged, and transfer tube insertion connects It is connected in adapter tube with connecting tube;
The end of tire hose is equipped with gland 16, and gland is equipped with the insertion pipe 17 being connected with tire hose, insertion pipe End be equipped with lock pin 18, lock pin is connected by insertion pipe with tire hose;
Gland is fixed on the other end of connecting tube by way of being clamped or being threadedly engaged, and lock pin is made to pass through the first jack It is inserted into the second jack of pressure cap, realizes and be connected between tire hose and the gas outlet of shell.
Further, a spring 19 is arranged on the outside of insertion pipe, one end of spring is weldingly fixed on lock pin.
Further, the outer diameter of lock pin is less than the outer diameter of insertion pipe, and the outer diameter of insertion pipe is less than the outer diameter of tire hose.
Further, pressure sets multiple O-rings 20 between seal chamber and air inlet pipe, and O-ring is laid in the two of gas outlet respectively Side.
Utility model works principle is as follows:
When the utility model is installed, shell is locked on bead seat by fastener, by air inlet pipe and inflation Tank is connected, and realizes wheel end high speed rotation by swivel bearing;
When tire hose is connected in connecting tube, lock pin is just able to achieve charge operation after being inserted into pressure cap, when tire hose is broken Damage or tyre explosion, it is only necessary to remove tire hose, what baffle mutually polymerize at this time covers the second jack, and connecting tube, which is in, closes Closed state will not influence other tire pressures;
Non-return structure can be realized unidirectional cutoff, it is ensured that tire does not flow back in tire pressure when overloaded.

Claims (5)

1. a kind of rotational structure for automatic tyre air inflation with check function, it is characterized in that, including shell, air inlet pipe and wheel Tire hose;
The seal chamber of cylindrical structure is equipped in shell, seal chamber is equipped with air inlet, seal chamber edge along one end of its axis direction Its diametric side wall is equipped at least one gas outlet;
Air inlet pipe it is closed at one end, the closed end of air inlet pipe passes through inlet gas and enters in seal chamber, and air inlet pipe passes through two rotations Bearing is fixed in seal chamber, uniformly distributed multiple ventholes on the tube wall that air inlet pipe is correspondingly arranged with gas outlet;
Tire hose is connected by non-return structure with the gas outlet of shell.
2. a kind of rotational structure for automatic tyre air inflation with check function as described in claim 1, it is characterized in that, only Returning structure includes connecting tube, and one end of connecting tube is equipped with nut, radial in connecting tube to be equipped with a demarcation plate, in demarcation plate It is equipped with the first jack at the heart, fixes a pressure cap on one end similar in the first jack and nut;
It is equipped with the second jack in pressure cap, the multiple baffles being obliquely installed of laying of the side of pressure cap circumferentially shape, when baffle is in When free state, what baffle mutually polymerize covers the second jack, and baffle is laid in one end similar in pressure cap and nut;
Nut is locked on the transfer tube on the gas outlet for being located at shell by what is be threadedly engaged, and transfer tube is inserted into connecting tube In be connected with connecting tube;
The end of tire hose is equipped with gland, and gland is equipped with the insertion pipe being connected with tire hose, and the end of insertion pipe is set There is lock pin, lock pin is connected by insertion pipe with tire hose;
Gland is fixed on the other end of connecting tube by way of being clamped or being threadedly engaged, and is inserted into lock pin across the first jack In second jack of pressure cap, realizes and be connected between tire hose and the gas outlet of shell.
3. a kind of rotational structure for automatic tyre air inflation with check function as claimed in claim 2, it is characterized in that, it inserts A spring is arranged on the outside of adapter tube, one end of spring is weldingly fixed on lock pin.
4. a kind of rotational structure for automatic tyre air inflation with check function as claimed in claim 2, it is characterized in that, it inserts The outer diameter of core is less than the outer diameter of insertion pipe, and the outer diameter of insertion pipe is less than the outer diameter of tire hose.
5. a kind of rotational structure for automatic tyre air inflation with check function as claimed in claim 2, it is characterized in that, it is close Pressure sets multiple O-rings between envelope chamber and air inlet pipe, and O-ring is laid in the two sides of gas outlet respectively.
CN201822063548.7U 2018-12-10 2018-12-10 A kind of rotational structure for automatic tyre air inflation with check function Active CN209290363U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822063548.7U CN209290363U (en) 2018-12-10 2018-12-10 A kind of rotational structure for automatic tyre air inflation with check function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822063548.7U CN209290363U (en) 2018-12-10 2018-12-10 A kind of rotational structure for automatic tyre air inflation with check function

Publications (1)

Publication Number Publication Date
CN209290363U true CN209290363U (en) 2019-08-23

Family

ID=67658173

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822063548.7U Active CN209290363U (en) 2018-12-10 2018-12-10 A kind of rotational structure for automatic tyre air inflation with check function

Country Status (1)

Country Link
CN (1) CN209290363U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109435914A (en) * 2018-12-10 2019-03-08 镇江神行太保科技有限公司 A kind of rotational structure for automatic tyre air inflation with check function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109435914A (en) * 2018-12-10 2019-03-08 镇江神行太保科技有限公司 A kind of rotational structure for automatic tyre air inflation with check function

Similar Documents

Publication Publication Date Title
CN100431858C (en) Rotary union for air inflation system
US10668777B2 (en) Steer axle tire inflation system
AU2011271099B2 (en) Rotary air connection with central valve for tire inflation system
RU2460650C2 (en) Integrated rotary unit and hub cap
US10828942B2 (en) Steer axle tire inflation system
US20220324271A1 (en) Multi-body hubcap for tire inflation systems
CN209290363U (en) A kind of rotational structure for automatic tyre air inflation with check function
CN104847908A (en) Seal butterfly valve with internal channel inflated with air
WO2012084912A1 (en) Tyre inflation
CN109435914A (en) A kind of rotational structure for automatic tyre air inflation with check function
CN113915101A (en) Air output pipe device of air compressor for inflating tire
CN204493746U (en) Internal channel gas-flow closure butterfly valve
CN204213361U (en) Heavy caliber gas-flow closure butterfly valve
CN214789274U (en) High leakproofness oil valve
CN208664810U (en) A kind of flat inner tube-free wheel structure
CN110541954A (en) Thread type safety valve
CN201159293Y (en) Switch device of water-conveying valve
RU177710U1 (en) AIR CONNECTION UNIT TO VEHICLE WHEEL TIRE
CN116409091A (en) Tire inflation system and connection device
CN206327094U (en) A kind of tire inflation/deflation structure of vehicle
CN213333062U (en) Quick pipeline repairing device
CN210221436U (en) Subway vehicle air tightness test plugging tool
CN114222673A (en) Rotary union and hub cap with smooth bore
CN109404642A (en) A kind of bearing-free self-sealing high-speed high-pressure rotary joint
CN220577232U (en) Binary channels ABS governing valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant