CN206914421U - Light-duty oil cylinder and the turning machine using the light-duty oil cylinder - Google Patents

Light-duty oil cylinder and the turning machine using the light-duty oil cylinder Download PDF

Info

Publication number
CN206914421U
CN206914421U CN201720738270.1U CN201720738270U CN206914421U CN 206914421 U CN206914421 U CN 206914421U CN 201720738270 U CN201720738270 U CN 201720738270U CN 206914421 U CN206914421 U CN 206914421U
Authority
CN
China
Prior art keywords
oil cylinder
light
tube body
duty
interior tube
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
CN201720738270.1U
Other languages
Chinese (zh)
Inventor
曾万里
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.)
GUANGZHOU BERLIN AUTO PARTS MANUFACTURING CO., LTD.
Original Assignee
Guangzhou Qinyuan Auto Parts Manufacturing 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 Guangzhou Qinyuan Auto Parts Manufacturing Co Ltd filed Critical Guangzhou Qinyuan Auto Parts Manufacturing Co Ltd
Priority to CN201720738270.1U priority Critical patent/CN206914421U/en
Application granted granted Critical
Publication of CN206914421U publication Critical patent/CN206914421U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Actuator (AREA)

Abstract

The utility model discloses a kind of light-duty oil cylinder and the turning machine using the light-duty oil cylinder, and light-duty oil cylinder includes interior tube body and strengthens body outside;The interior tube body is metal material, and the inner surface of the interior tube body is completely covered with titanium nitride coating, and the outer reinforcement body is carbon fibre materials, the outer outer surface for strengthening the fully wrapped around firmly interior tube body of body.Turning machine includes light-duty oil cylinder, rack, piston, output shaft and rotary valve assembly;Interior tube body is made by using metal material, and coordinate and outer reinforcement body is made using carbon fibre materials, so that the overall weight of oil cylinder mitigates, overall construction intensity is more preferable, and, by being completely covered with titanium nitride coating in the inner surface of interior tube body, piston can form good sealing with titanium nitride coating, so that the power steering of turning machine is effectively kept.

Description

Light-duty oil cylinder and the turning machine using the light-duty oil cylinder
Technical field
Turning machine art is the utility model is related to, refers in particular to a kind of light-duty oil cylinder and using the light-duty oil cylinder Turning machine.
Background technology
Turning machine is exactly while driver beats steering wheel, helps driver to exert oneself, to mitigate use dynamics when driver turns to, The machine of light, the convenient purpose of driver when reaching driving.Have been widely used for now in various vehicles so that drive more Easily, it is quick, drive safety is improved to a certain extent.
Existing turning machine typically uses fluid-link steering machine, and rack, rack both ends difference are provided through inside its oil cylinder Connected by draw-in bar and the wheel of both sides, piston is additionally provided with rack inside oil cylinder, rack is hinged with input shaft, input Axis connection vehicle steering, rotary valve being set on input shaft, oil cylinder both ends are connected by an oil pipe with rotary valve, during traveling, point Not by being pressed to liquid in two oil pipes, to control controlling flow direction, so as to promote fluid-link steering machine inner carrier to move, and transmit To wheel to provide power steering.
In the prior art, the oil cylinder that turning machine uses its generally metal material is made, its heavier-weight, structural strength is not Foot, and good sealing can not be formed between oil cylinder inner wall and piston, cause piston both sides oil pocket poor sealing, so as to right Power steering has undesirable effect.
Utility model content
In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide a kind of light-duty oil to the utility model Cylinder and the turning machine using the light-duty oil cylinder, it can effectively solve existing steering Oil cylinder heavier-weight, structural strength not The problem of fine sealing can not be formed between foot and oil cylinder inner wall and piston.
To achieve the above object, the utility model is using following technical scheme:
A kind of light-duty oil cylinder, include interior tube body and strengthen body outside;The interior tube body is metal material, the interior tube body Inner surface is completely covered with titanium nitride coating, and the outer reinforcement body is carbon fibre materials, the outer fully wrapped around firmly inner tube of reinforcement body The outer surface of body.
Preferably, said inner tube body is steel material.
Preferably, the thickness of said inner tube body is less than the thickness of outer reinforcement body, and the thickness of titanium nitride coating is less than inner tube The thickness of body.
A kind of turning machine using foregoing light-duty oil cylinder, include light-duty oil cylinder, rack, piston, output shaft and rotary valve Assembly;The both ends of the light-duty oil cylinder are sealed and installed with end cap, and first inside the light-duty oil cylinder of connection is provided with light-duty oil cylinder and is led to Hole and the second through hole;The rack axially can be actively arranged in light-duty oil cylinder back and forth, and the both ends of rack are each passed through two end cap Protruding, the both ends of rack are mounted on draw-in bar assembly;The piston is fixed on rack, the lateral surface and titanium nitride of piston Coating sealing is slidably matched, and the first oil pocket is connected formed with the first oil pocket, first through hole between the end face of piston and an end cap, Between the other end of piston and another end cap the second oil pocket is connected formed with the second oil pocket, the second through hole;The output shaft and tooth One end of bar is hinged;The rotary valve assembly is arranged on output shaft, and rotary valve assembly connects first through hole by the first oil pipe, and rotary valve is total The second through hole is connected into by the second oil pipe.
The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology Scheme is understood:
Interior tube body is made by using metal material, and coordinates and outer reinforcement body is made using carbon fibre materials so that oil The overall weight of cylinder mitigates, and overall construction intensity is more preferable, and, plated by being completely covered with titanium nitride in the inner surface of interior tube body Layer, piston can form good sealing with titanium nitride coating, so that the power steering of turning machine is effectively kept.
More clearly to illustrate architectural feature and effect of the present utility model, come below in conjunction with the accompanying drawings with specific embodiment pair The utility model is described in detail:
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiment turning machine of the utility model;
Fig. 2 is the enlarged diagram at location A in Fig. 1.
Accompanying drawing identifier declaration:
10th, light-duty oil cylinder 11, interior tube body
12nd, outer reinforcement body 13, titanium nitride coating
101st, first through hole 102, the second through hole
103rd, the first oil pocket 104, the second oil pocket
20th, rack 30, piston
40th, output shaft 50, rotary valve assembly
60th, end cap 70, draw-in bar assembly
81st, the first oil pipe 82, the second oil pipe
Embodiment
It refer to shown in Fig. 1 and Fig. 2, that show the concrete structure of the preferred embodiment of the utility model, include Light-duty oil cylinder 10, rack 20, piston 30, output shaft 40 and rotary valve assembly 50.
The light-duty oil cylinder 10 includes interior tube body 11 and outer reinforcement body 12;The interior tube body 11 is metal material, and this is interior The inner surface of body 11 is completely covered with titanium nitride coating 13, and the outer reinforcement body 12 is carbon fibre materials, outer reinforcement body 12 The outer surface of fully wrapped around firmly interior tube body 11.In the present embodiment, said inner tube body 11 is steel material, and it is to be rolled using steel band The seamless pipe that mode is formed, the thickness of said inner tube body 11 are less than the thickness of outer reinforcement body 12, the thickness of titanium nitride coating 13 Less than the thickness of interior tube body 11.During making, last layer titanium nitride coating 13 is first plated on steel band by the way of ion plating, is connect , steel band is carried out to roll formed inner tube body 11;Then, in the outer surface wrap carbon fiber material of interior tube body 11, and it is fine to carbon Dimension material be heating and curing forming outer reinforcement body 12.
The both ends of the light-duty oil cylinder 10 are sealed and installed with end cap 60, are provided with light-duty oil cylinder 10 in the light-duty oil cylinder 10 of connection The through hole 102 of first through hole 101 and second in portion.
The rack 20 axially can be actively arranged in light-duty oil cylinder 10 back and forth, and the both ends of rack 20 are each passed through two end cap 60 is protruding, and the both ends of rack 20 are mounted on draw-in bar assembly 70.
The piston 30 is fixed on rack 20, and lateral surface and the sealing of titanium nitride coating 13 of piston 30 are slidably matched, piston The first oil pocket 103 is connected formed with the first oil pocket 103, first through hole 101 between 30 end face and an end cap 60, piston 30 Between other end and another end cap 60 the second oil pocket 104 is connected formed with the second oil pocket 104, the second through hole 102.
One end of the output shaft 40 and rack 20 is hinged;The rotary valve assembly 50 is arranged on output shaft 40, rotary valve assembly 50 First through hole 101 is connected by the first oil pipe 81, rotary valve assembly 50 connects the second through hole 102 by the second oil pipe 82.
Design focal point of the present utility model is:Interior tube body is made by using metal material, and coordinates using carbon fiber material Outer reinforcement body is made in matter so that and the overall weight of oil cylinder mitigates, and overall construction intensity is more preferable, and, by interior tube body Inner surface is completely covered with titanium nitride coating, and piston can form good sealing with titanium nitride coating, so that turning machine turns Effectively kept to power-assisted.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality With new principle, and the limitation to scope of protection of the utility model can not be construed in any way.Based on explanation herein, Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model, These modes are fallen within the scope of protection of the utility model.

Claims (4)

  1. A kind of 1. light-duty oil cylinder, it is characterised in that:Include interior tube body and strengthen body outside;The interior tube body is metal material, The inner surface of the interior tube body is completely covered with titanium nitride coating, and the outer reinforcement body is carbon fibre materials, and outer reinforcement body is complete Wrap the outer surface of interior tube body.
  2. 2. light-duty oil cylinder as claimed in claim 1, it is characterised in that:Said inner tube body is steel material.
  3. 3. light-duty oil cylinder as claimed in claim 1, it is characterised in that:The thickness of said inner tube body is less than the thickness of outer reinforcement body Degree, the thickness of titanium nitride coating are less than the thickness of interior tube body.
  4. A kind of 4. turning machine of light-duty oil cylinder using as described in claim any one of 1-3, it is characterised in that:Include light-duty Oil cylinder, rack, piston, output shaft and rotary valve assembly;The both ends of the light-duty oil cylinder are sealed and installed with end cap, are set on light-duty oil cylinder The first through hole being equipped with inside the light-duty oil cylinder of connection and the second through hole;The rack axially can actively be arranged at light-duty oil cylinder back and forth Interior, the both ends of rack are each passed through that two end cap is protruding, and the both ends of rack are mounted on draw-in bar assembly;The piston is fixed on On rack, the lateral surface of piston and titanium nitride coating sealing are slidably matched, formed with the between the end face of piston and an end cap One oil pocket, first through hole connect the first oil pocket, logical formed with the second oil pocket, second between the other end of piston and another end cap Hole connects the second oil pocket;One end of the output shaft and rack is hinged;The rotary valve assembly is arranged on output shaft, and rotary valve assembly passes through First oil pipe connects first through hole, and rotary valve assembly connects the second through hole by the second oil pipe.
CN201720738270.1U 2017-06-23 2017-06-23 Light-duty oil cylinder and the turning machine using the light-duty oil cylinder Active CN206914421U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720738270.1U CN206914421U (en) 2017-06-23 2017-06-23 Light-duty oil cylinder and the turning machine using the light-duty oil cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720738270.1U CN206914421U (en) 2017-06-23 2017-06-23 Light-duty oil cylinder and the turning machine using the light-duty oil cylinder

Publications (1)

Publication Number Publication Date
CN206914421U true CN206914421U (en) 2018-01-23

Family

ID=61322511

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720738270.1U Active CN206914421U (en) 2017-06-23 2017-06-23 Light-duty oil cylinder and the turning machine using the light-duty oil cylinder

Country Status (1)

Country Link
CN (1) CN206914421U (en)

Similar Documents

Publication Publication Date Title
CN208281643U (en) A kind of cast tube and the knockdown wear-resisting straight tube of hammer welded pipe
CN206914421U (en) Light-duty oil cylinder and the turning machine using the light-duty oil cylinder
CN206914422U (en) The turning machine of structure enhancing
CN203651105U (en) Composite roller or rolling barrel or sleeve
CN206914423U (en) Enhanced rack and the turning machine using the enhanced rack
CN103010377A (en) Outer tube for front fork
CN203757209U (en) Steering oil return pipe with functions of reducing system noise and system temperature
CN201506352U (en) Vehicle hydraulic brake tube assembly
CN202163481U (en) Limit structure of automobile steering gear
CN206336326U (en) A kind of steering intermediate shaft and automobile
CN207173722U (en) Active steering differential mechanism
CN101936435A (en) Rotary joint for connecting high pressure pipe of hydraulic pump with oil cylinder of hydraulic wrench
CN206145038U (en) High -speed railway or motor car be rubber joint for oil pressure shock absorber
US11940019B2 (en) Shaft tube joint structure of drive shaft
CN206416791U (en) Bushing, automobile front under controlling arm and automobile
CN202370164U (en) Pressure-resistant composite reinforcing pipe
CN206125132U (en) Car steering column structure
CN209521757U (en) Heavy-duty commercial vehicle high pressure steering system
CN209724993U (en) The pedicab drive shaft of noise reduction
CN206327434U (en) A kind of power steering apparatus of vehicle
CN201779378U (en) Rotating joint for connecting high-pressure tube of hydraulic pump with oil cylinder of hydraulic wrench
CN205618842U (en) Reinforced polyethylene plastic composite pipe of steel wire gauze
CN207740567U (en) A kind of antiseepage steel band bellows
CN2455991Y (en) Corrosionproof metal lining pipe for composite pipe
CN216332271U (en) Automobile power-assisted steering control system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190529

Address after: 510000 First and Second Floors, No. 16 Zhengliang Road, Bamboo Industry Zone, Baiyun District, Guangzhou City, Guangdong Province

Patentee after: GUANGZHOU BERLIN AUTO PARTS MANUFACTURING CO., LTD.

Address before: 510000 Third Floor, No. 16 Zhengliang Road, Bamboo Industry Zone, Baiyun District, Guangzhou City, Guangdong Province

Patentee before: Guangzhou Qinyuan Auto Parts Manufacturing Co., Ltd.