CN209666750U - A kind of trailer tractor - Google Patents
A kind of trailer tractor Download PDFInfo
- Publication number
- CN209666750U CN209666750U CN201920378689.XU CN201920378689U CN209666750U CN 209666750 U CN209666750 U CN 209666750U CN 201920378689 U CN201920378689 U CN 201920378689U CN 209666750 U CN209666750 U CN 209666750U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- holding section
- fixed holding
- movably fastened
- draw bar
- 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.)
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model discloses a kind of trailer tractors, it is characterized in that, including draw bar, one end of the draw bar connects hitch frame, the other end connects traction body, the traction body includes fixed holding section and is movably fastened portion, the fixed holding section and it is movably fastened the universal joint for being formed after portion's split and being connected with trailer, one end of the fixed holding section and the draw bar are connected, the other end with described to be movably fastened portion hinged, the sleeve for preventing the fixed holding section and the portion of being movably fastened to be mutually disengaged is additionally provided on the draw bar, the trailer tractor further includes the driving device for controlling the sleeve and moving reciprocatingly along its axis.The beneficial effects of the utility model are: passing through the engaged transmission of rack gear and arc tooth plate, it is overlapped the direction of motion of sleeve with its axis direction, to not will cause Caton in operation, operation is more smoothly, while structure is simple, low cost.
Description
Technical field
The utility model relates to vehicles to drag pulling equipment technical field, more particularly to a kind of trailer tractor.
Background technique
Tractor is mounted in the pendant on motor vehicle rear chassis and playing connection function, and effect is to connect trailer
Or the motor vehicle that connection can not travel on the one hand in order to carry more articles, is on the other hand used as and answers in daily life
Use is helped in first aid.On some caravans or container car, headstock and compartment are separated from each other, therefore are worked as and needed mobile compartment
When, it is also desirable to a tractor connects headstock and compartment.
The Chinese patent of Publication No. CN202208237U discloses a kind of tractor, including draw bar, the draw bar
One end is provided with interconnecting piece, and the other end is provided with fixed holding section, and the first arc groove is provided on the fixed holding section, described
It is connected with the portion of being movably fastened on fixed holding section, described be movably fastened in portion is provided with the second arc groove, engages when fixed
Portion and after being movably fastened portion's split, the first arc groove and the second arc groove form a card slot for preventing tow ball to be detached from,
The fixation device for preventing fixed holding section and the portion of being movably fastened to be mutually disengaged is additionally provided on the draw bar.On the interconnecting piece
It is connected with the first pin shaft, first pin sleeve is equipped with Spanner with aid, and the Spanner with aid offers through-hole, is equipped in through-hole
Second pin shaft, and the internal diameter of the through-hole is greater than the outer diameter of second pin shaft, is connected with pull rod on second pin shaft, draws
One end of bar is fixed on sleeve.
Above-mentioned technical proposal adjusts the position of the sleeve by pulling Spanner with aid, to realize fixed holding section and work
The split or disengaging of dynamic holding section, the motion profile of this regulative mode sleeve and the center line of tractor be not in straight line
On, operator is easy to block sleeve when pulling Spanner with aid, inconvenient.
Utility model content
In view of the above technical problems, the purpose of the utility model is to provide a kind of trailer tractors, are able to solve above-mentioned existing
There is the deficiency of technology.
In order to achieve the above objectives, the technical solution that the utility model uses is: a kind of trailer tractor is provided, including
Draw bar, one end connection hitch frame, the other end of the draw bar connect traction body, the traction body include fixed holding section and
It is movably fastened portion, the fixed holding section and forms the universal joint being connected with trailer, the fixation after being movably fastened portion's split
One end of holding section and the draw bar are connected, and the other end and the portion that is movably fastened are hinged, are additionally provided on the draw bar
The sleeve for preventing the fixed holding section and the portion of being movably fastened to be mutually disengaged, the trailer tractor further includes controlling the sleeve
The driving device to move reciprocatingly along its axis.
Preferably, the driving device includes the rack gear being connected on the sleeve and the tooth that is mounted on the hitch frame
Wheel spanner, the axis of the rack gear and the axis of the sleeve are arranged in parallel, and are hinged on hitch frame in the middle part of the gear wrench
Upper, one end is provided with arc tooth plate, other end setting spanner, and the arc tooth plate and the rack gear constitute tooth form engaged transmission.
Preferably, elastic parts is set between the sleeve and hitch frame.
Preferably, it is provided with the first baffle ring on the inner sidewall of described sleeve one end, is provided with second gear on the hitch frame
Ring, the elastic parts are set between first baffle ring and the second baffle ring, and one end of the elastic parts acts against first
On baffle ring, the other end acts against on the second baffle ring.
Preferably, the gear wrench is mounted on the hitch frame by wrench rack, the gear wrench and wrench rack
Between pass through bolted splice.
Preferably, the fixed holding section and the portion of being movably fastened pass through pin-hinges.
The beneficial effects of the utility model are: passing through the engaged transmission of rack gear and arc tooth plate, make the direction of motion of sleeve
It is overlapped with its axis direction, to not will cause Caton in operation, operation is more smoothly, while structure is simple, low cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one preferred embodiment of the utility model；
Fig. 2 is the top view of Fig. 1.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Fig. 1 to Fig. 2 is please referred to, the utility model embodiment includes:
A kind of trailer tractor, including draw bar 1, one end connection hitch frame 2 of the draw bar 1, other end connection are led
Draw body 3, the traction body 3 includes fixed holding section and is movably fastened portion, the fixed holding section and after being movably fastened portion's split
The universal joint being connected with trailer is formed, one end of the fixed holding section and the draw bar 1 are connected, the other end and the work
Dynamic holding section is hinged by pin 11, and being additionally provided on the draw bar 1 prevents the fixed holding section and be movably fastened portion's phase
The sleeve 4 being mutually detached from, the trailer tractor further include the driving device for controlling the sleeve 4 and moving reciprocatingly along its axis,
The driving device includes the rack gear 5 being connected on the sleeve 4 and the gear wrench 6 that is mounted on the hitch frame 2, described
The axis of rack gear 5 and the axis of the sleeve 4 are arranged in parallel, and the gear wrench 6 is mounted on the hitch frame by wrench rack 7
On 2, the middle part of the gear wrench 6 is by the way that bolt 12 is hinged on wrench rack, one end is provided with arc tooth plate, other end setting
Spanner, the arc tooth plate and the rack gear 5 constitute tooth form engaged transmission, and the is provided on the inner sidewall of described 4 one end of sleeve
One baffle ring 8 is provided with the second baffle ring 9 on the hitch frame 2, is provided with spring between first baffle ring 8 and the second baffle ring 9
10, one end of the spring 10 acts against on the first baffle ring 8, the other end acts against on the second baffle ring 9.
In use, stirring rack gear 5 by gear wrench 6, rack gear 5 drags sleeve 4 and moves right along its axis, sleeve 4 from
The end in the portion of being movably fastened is opened, the portion of being movably fastened is in that free state will be movable after trailer is connected by universal joint with tractor
Holding section is stitched on fixed holding section, and spring 9 pushes sleeve 4 to be moved to the left, and the end in the portion that is movably fastened is fixed on sleeve
Interior 4, complete installation.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of trailer tractor, which is characterized in that including draw bar, one end of the draw bar connects hitch frame, the other end
Traction body is connected, the traction body includes fixed holding section and is movably fastened portion, and the fixed holding section and the portion of being movably fastened are spelled
The universal joint being connected with trailer is formed after conjunction, one end of the fixed holding section and the draw bar are connected, the other end and institute
State that the portion of being movably fastened is hinged, being additionally provided on the draw bar prevents the fixed holding section and the portion of being movably fastened to be mutually disengaged
Sleeve, the trailer tractor further include the driving device for controlling the sleeve and moving reciprocatingly along its axis.
2. a kind of trailer tractor according to claim 1, which is characterized in that the driving device is described including being connected in
Rack gear on sleeve and the gear wrench being mounted on the hitch frame, the axis of the rack gear are parallel with the axis of the sleeve
Setting, is hinged on hitch frame in the middle part of the gear wrench, one end is provided with arc tooth plate, other end setting spanner, described
Arc tooth plate and the rack gear constitute tooth form engaged transmission.
3. a kind of trailer tractor according to claim 1, which is characterized in that bullet is arranged between the sleeve and hitch frame
Property component.
4. a kind of trailer tractor according to claim 3, which is characterized in that be arranged on the inner sidewall of described sleeve one end
There is the first baffle ring, the second baffle ring is provided on the hitch frame, the elastic parts is set to first baffle ring and second gear
Between ring, one end of the elastic parts is acted against on the first baffle ring, the other end acts against on the second baffle ring.
5. a kind of trailer tractor according to claim 2, which is characterized in that the gear wrench is installed by wrench rack
On the hitch frame, pass through bolted splice between the gear wrench and wrench rack.
6. a kind of trailer tractor according to claim 1, which is characterized in that the fixed holding section and be movably fastened portion
Pass through pin-hinges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920378689.XU CN209666750U (en) | 2019-03-25 | 2019-03-25 | A kind of trailer tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920378689.XU CN209666750U (en) | 2019-03-25 | 2019-03-25 | A kind of trailer tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209666750U true CN209666750U (en) | 2019-11-22 |
Family
ID=68572560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920378689.XU Active CN209666750U (en) | 2019-03-25 | 2019-03-25 | A kind of trailer tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209666750U (en) |
-
2019
- 2019-03-25 CN CN201920378689.XU patent/CN209666750U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |