CN209395910U - A kind of heavy-duty car spare tyre draw off gear - Google Patents
A kind of heavy-duty car spare tyre draw off gear Download PDFInfo
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- CN209395910U CN209395910U CN201822165106.3U CN201822165106U CN209395910U CN 209395910 U CN209395910 U CN 209395910U CN 201822165106 U CN201822165106 U CN 201822165106U CN 209395910 U CN209395910 U CN 209395910U
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- assembly
- spare tyre
- oil cylinder
- fixing support
- jack
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Abstract
The utility model relates to a kind of heavy-duty car spare tyre draw off gears, comprising: fixing support assembly, jack, boom assembly；The fixing support assembly is fixed on vehicle frame；The jack is connected to fixing support assembly, for the mechanism that can do flexible or pitching movement with lower section outward；The boom assembly upper end is rotatably connected on jack, and lower end is freely sagging and connects spare tyre.The spare tyre draw off gear is designed by new structure, and spare tyre is made to keep vertical when placing and putting down use, solves the problems, such as that spare tyre needs laterally disposed and needs manpower to hold up after putting down in the prior art, has positive technical meaning.
Description
Technical field
The utility model relates to a kind of heavy-duty car spare tyre draw off gears, belong to technical field of automobile parts.
Background technique
Existing vehicle prevents tire from damaging suddenly, is generally all equipped with spare tyre, and spare tyre is most to guarantee normally travel
In horizontally disposed below chassis；But for heavy off-road vehicle, since the size and quality of spare tyre are all very big, it is contemplated that
The convenience that the road clearance of automobile and spare tyre use can not be arranged in below chassis, be arranged in above chassis more.
Current most of automobile spare tire lifting gears, all laterally disposed using spare tyre, which limit the arrangements of vehicle
Space；And spare tyre put down after be not vertical state, need manpower to hold up spare tyre, the heavy vapour all very big for size and quality
For vehicle spare tyre, this spare tire lifting device uses very inconvenient.
Therefore, a kind of heavy-duty car spare tyre draw off gear for putting down spare tyre state in a vertical shape is designed, is art technology
Personnel's urgent problem to be solved.
Summary of the invention
In the prior art, heavy-duty car spare tire lifting device is being used generally using structure that is laterally disposed, laterally going up and down
In need manpower to hold up spare tyre, there is a problem of labor intensive, low efficiency, inconvenient for use.To solve this problem, this is practical
It is novel that a kind of heavy-duty car spare tyre draw off gear is provided.
The utility model adopts the following technical solutions:
A kind of heavy-duty car spare tyre draw off gear characterized by comprising fixing support assembly, jack, boom are total
At；
The fixing support assembly is fixed on vehicle frame；
The jack is connected to fixing support assembly, for the machine that can do flexible or pitching movement with lower section outward
Structure；
The boom assembly upper end is rotatably connected on jack, and lower end is freely sagging and connects spare tyre.
Preferably, the jack is by hydraulic, air pressure, electric or hand driving.
Preferably, the jack includes overturning arm assembly and hydraulically extensible assembly；The overturning arm assembly lower end turns
It is dynamic to be connected in fixing support assembly；
Hydraulically extensible assembly lower end is connected and fixed bracket assembly, and connection overturning arm assembly in upper end is lifted by driver's cabin
Pump driving is flexible.
Preferably, the hydraulically extensible assembly includes oil cylinder lower bracket assembly, oil cylinder and the oil cylinder upper bracket being linked in sequence
Assembly；The oil cylinder includes cylinder body and piston, is hingedly connected to be connected and fixed the oil cylinder lower bracket assembly of bracket assembly and connection
Overturn the oil cylinder upper bracket assembly of arm assembly；The oil cylinder connects driver's cabin lifting pump by reversal valve with oil pipe；The commutation
Valve switches between spare tyre folding and unfolding oil circuit and cab lift oil circuit.
Preferably, the angle of the oil cylinder and overturning arm assembly is greater than 0 degree less than 90 degree.
Preferably, the overturning arm assembly and fixing support assembly are double vertical pole frame structures；The overturning arm assembly
Pass through studs with overturning arm assembly with fixing support assembly, boom assembly to connect.
Preferably, the fixing support assembly is equipped with tire carrier frame I；The overturning arm assembly is fixed equipped with spare tyre
Frame II；The through-hole of threaded set is equipped on tire carrier frame I and tire carrier frame II；Under spare tyre collapsed state, the spiral shell
Line set is corresponding with the bolt hole position of spare tyre.
The utility model has the advantage that
(1) easy to use；In the utility model, boom assembly and overturning arm assembly are all made of rotation connection, can freely put
Dynamic or rotation；During spare tyre decline, make spare tyre and ground that can keep vertical state always using spare tyre self gravity, it can
It realizes that spare tyre steadily lands, spare tyre is holded up without manpower, can directly replace use.
(2) structure is simple, easy to assembly, and versatility is good；Seperated component can be used in the utility model main structure, then
It is formed by connecting by bolt, stud, nut.
(3) it is also at vertical state when spare tyre is packed up, parallel with vehicle frame, occupancy lateral direction of car space is small, is convenient for vehicle cloth
It sets.
(4) pipeline arrangement is simple, few with the existing mechanical interferences of vehicle；It only needs with two high-pressure hose connection oil cylinders and drives
Sail the reversal valve of room lifting pump.
(5) reliability is improved, spare tyre and fixing support assembly are linked together with bolt when spare tyre is packed up, prevents from going
Spare tyre is fallen suddenly during sailing.
Detailed description of the invention
Fig. 1 is the utility model embodiment structural schematic diagram；
Fig. 2 is schematic elevation view under the complete collapsed state of the utility model embodiment；
Fig. 3 is schematic side view under the complete down state of the utility model embodiment；
Fig. 4 is studs structural schematic diagram in the utility model embodiment；
Wherein: 1, vehicle frame, 2, fixing support assembly, 3, connecting plate, 4, studs I, 5, overturning arm assembly, 6, boom it is total
At, 7, studs II, 8, spare tyre, 9, oil cylinder lower bracket assembly, 10, oil cylinder upper bracket assembly, 11, oil cylinder, 12, spare tyre fixes
Frame I, 13. tire carrier frames II.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figures 1 to 4, the present embodiment is a kind of heavy-duty car spare tyre draw off gear, comprising: fixing support assembly 2,
Jack, boom assembly 6；
Wherein, the fixing support assembly 2 is fixed on vehicle frame 1, is respectively arranged on the left side and the right side one group 2 (vehicles outward
On the outside of the side of side) connecting plate 3 that extends；The connecting plate 3 is Contraband shape and is bolted with fixing support assembly 2；Same group
2 connecting plates 3 be arranged in a manner of back-to-back.
The jack is that can be done flexible or pitching fortune with lower section outward by hydraulic, air pressure, electric or hand driving
Dynamic mechanism；In the present embodiment, including overturning arm assembly 5 and hydraulically extensible assembly.
The overturning arm assembly 5 is double lever arrangements with fixing support assembly 2, can be laterally arranged between double vertical poles
Reinforcement structure forms frame structure, to enhance intensity.
The 5 lower end two sides of overturning arm assembly pass through studs I 4 respectively and are connected on connecting plate 3, free to rotate；
When connection, the side vertical pole of overturning arm assembly 5 is equipped with through-hole, and same group of 2 connecting plates 3 set on the side vertical pole two sides also are provided with position
Corresponding through-hole is limited after the studs I 4 passes through these through-holes at both ends with nut, forms articulated structure.
Hydraulically extensible assembly lower end is connected and fixed bracket assembly 2, and connection overturning arm assembly 5 in upper end is lifted by driver's cabin
It is flexible to rise pump driving.
The hydraulically extensible assembly includes oil cylinder lower bracket assembly 9, oil cylinder 11 and the oil cylinder upper bracket assembly being linked in sequence
10；The oil cylinder lower bracket assembly 9 is fixed on 2 lower section of fixing support assembly with bolt, and main body is located between double vertical poles of two sides；
The oil cylinder upper bracket assembly 10 is fixed on 5 top of overturning arm assembly with bolt, and main body is located between double vertical poles of two sides；It is described
Two stands assembly is equipped with the hinged seat formed with the double-deck vertical plate with through-hole in the side towards oil cylinder 11.
The oil cylinder 11 includes cylinder body and piston, is hingedly connected to oil cylinder lower bracket assembly 9 and oil cylinder upper bracket assembly 10；
The oil cylinder 11 connects driver's cabin lifting pump by reversal valve with oil pipe；The reversal valve is in 8 folding and unfolding oil circuit of spare tyre and driver's cabin
Switch between lifting oil circuit.The angle of the oil cylinder 11 and overturning arm assembly 5 is greater than 0 degree less than 90 degree.
6 upper end of boom assembly is connected to overturning 5 upper end of arm assembly by studs II 7, free to rotate；Lower end
It is freely sagging, pass through the fixed spare tyre 8 of bolt and nut.6 upper end of boom assembly is equipped with the casing passed through for studs II 7, overturning
The vertical pole of 5 two sides of arm assembly is equipped with the corresponding through-hole in position；After studs II 7 passes through the through-hole, both ends are limited with nut
Position.
Studs (including studs I 4, studs II 7) had both been capable of fixing flip-arm assembly 5 and boom assembly 6, also
It can play the role of pin in 8 motion process of spare tyre, make to overturn arm assembly 5 during rotation, under 8 gravity of spare tyre
Boom assembly 6 is also fixed studs using it and is rotated as axis, and spare tyre 8 and ground is made to remain vertical state.
Tire carrier frame I 12 is additionally provided in the fixing support assembly 2；The overturning arm assembly 5 is fixed equipped with spare tyre
Frame II 13；The tire carrier frame I 12 and tire carrier frame II 13 itself and with fixing support assembly 2 and overturning arm assembly 5
Connection, can use bolt or welding.
It is equipped with through-hole on the tire carrier frame I 12 and tire carrier frame II 13, identical rule are equipped in the through-hole
The thread bush of lattice；Wherein the through-hole on tire carrier frame II 13 and thread bush extend through the vertical pole of overturning arm assembly 5；In spare tyre
Under 8 collapsed states, the bolt hole position pair of the thread bush and spare tyre 8 on tire carrier frame I 12 and tire carrier frame II 13
It answers, is attached fixation convenient for passing through three with bolt or stud.Screw thread is had inside the thread bush, is put into after through-hole two sections
It is fixed with bulge-structure or welded limiting.
The tire carrier frame I 12 and tire carrier frame II 13 extend to 8 direction of spare tyre；Tire carrier frame I 12 can be made
The structure of support, limit between overturning arm assembly 5 and fixing support assembly 2；Tire carrier frame II 13 can be used as spare tyre 8 and turn over
The structure for supporting, limiting between pivoted arm assembly 5.
Production method: connecting plate 3, oil cylinder lower bracket assembly are fixed on fixing support assembly 2 by bolt and nut first
On；Then fixing support assembly 2 is fixed on frame assembly 1 with bolt and nut；
Boom assembly 6 is fixed on overturning arm assembly 5 by studs II 7 and nut, by oil cylinder upper bracket assembly
10 are fixed on overturning arm assembly 5 by bolt and nut；Overturning arm assembly 5 is fixed on connection by studs I 4 and nut
On plate 3；11 lower end of oil cylinder (i.e. cylinder body lower end) is hinged on oil cylinder lower bracket assembly 9 by pin or studs, oil cylinder
11 upper ends (i.e. piston upper end) are relatively connect on oil cylinder upper bracket assembly 10 by pin or studs；Spare tyre 8 is passed through into bolt
It is fixed on boom assembly 6；Finally by bolt and the thread bush by spare tyre 8, that overturning arm assembly 5 is fixed on fixed bracket is total
At on 2 tire carrier frame 12；The reversal valve that the oil cylinder and driver's cabin lifting pump are connected with two high-pressure hoses, passes through driving
Room lifting pump provides power for spare tyre folding and unfolding.
Application method: when not needing using spare tyre, oil cylinder is tightened, spare tyre is in collapsed state, consolidates spare tyre by bolt
It is scheduled in fixing support assembly；It needs using the connection bolt unloaded first when spare tyre between spare tyre and fixing support assembly；By institute
The mode that reversal valve switches the most described oil cylinder fuel feeding is stated, operation driver's cabin lifting pump extends oil cylinder, and spare tyre is put down；Work as spare tyre
The connection bolt between spare tyre and boom assembly can be unloaded after landing, remove spare tyre use.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.A variety of modifications of embodiment will be readily apparent to those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model, not give
The part presented with partial enlargement is described in detail, is the prior art, herein without repeating.Therefore, the utility model will not
It is intended to be limited to the embodiments shown herein, and is to fit to consistent with principles disclosed herein and feature widest
Range.
Claims (7)
1. a kind of heavy-duty car spare tyre draw off gear characterized by comprising fixing support assembly (2), jack, boom
Assembly (6)；
The fixing support assembly (2) is fixed on vehicle frame (1)；
The jack is connected to fixing support assembly (2), for the mechanism that can do flexible or pitching movement with lower section outward；
Boom assembly (6) upper end is rotatably connected on jack, and lower end is freely sagging and connects spare tyre.
2. spare tyre draw off gear according to claim 1, which is characterized in that the jack is by hydraulic, air pressure, electronic
Or manual actuation.
3. spare tyre draw off gear according to claim 1 or 2, which is characterized in that the jack includes that flip-arm is total
At (5) and hydraulically extensible assembly；Overturning arm assembly (5) lower end is rotatably connected on fixing support assembly (2)；
Hydraulically extensible assembly lower end is connected and fixed bracket assembly (2), and upper end connection overturning arm assembly (5) is lifted by driver's cabin
It is flexible to rise pump driving.
4. spare tyre draw off gear according to claim 3, which is characterized in that the hydraulically extensible assembly includes being linked in sequence
Oil cylinder lower bracket assembly (9), oil cylinder and oil cylinder upper bracket assembly (10)；The oil cylinder includes cylinder body and piston, is respectively articulated with
In the oil cylinder upper bracket assembly of the oil cylinder lower bracket assembly (9) and connection overturning arm assembly (5) that are connected and fixed bracket assembly (2)
(10)；The oil cylinder connects driver's cabin lifting pump by reversal valve with oil pipe；The reversal valve is in spare tyre folding and unfolding oil circuit and driving
Switch between room lifting oil circuit.
5. spare tyre draw off gear according to claim 4, which is characterized in that the folder of the oil cylinder and overturning arm assembly (5)
Angle is greater than 0 degree less than 90 degree.
6. spare tyre draw off gear according to claim 3, which is characterized in that the overturning arm assembly (5) and fixed bracket
Assembly (2) is double vertical pole frame structures；It the overturning arm assembly (5) and fixing support assembly (2), boom assembly (6) and turns over
Pivoted arm assembly (5) is connected by studs.
7. spare tyre draw off gear according to claim 3, which is characterized in that the fixing support assembly (2) is equipped with standby
Tire fixed frame I (12)；The overturning arm assembly (5) is equipped with tire carrier frame II (13)；Tire carrier frame I (12) and spare tyre are solid
Determine the through-hole that threaded set is equipped on frame II (13)；Under spare tyre (8) collapsed state, the spiral shell of the thread bush and spare tyre (8)
Keyhole position is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165106.3U CN209395910U (en) | 2018-12-24 | 2018-12-24 | A kind of heavy-duty car spare tyre draw off gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165106.3U CN209395910U (en) | 2018-12-24 | 2018-12-24 | A kind of heavy-duty car spare tyre draw off gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209395910U true CN209395910U (en) | 2019-09-17 |
Family
ID=67895685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822165106.3U Active CN209395910U (en) | 2018-12-24 | 2018-12-24 | A kind of heavy-duty car spare tyre draw off gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209395910U (en) |
-
2018
- 2018-12-24 CN CN201822165106.3U patent/CN209395910U/en active Active
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