CN203888676U - Rear door automatic locking mechanism for light dump truck - Google Patents
Rear door automatic locking mechanism for light dump truck Download PDFInfo
- Publication number
- CN203888676U CN203888676U CN201420217553.8U CN201420217553U CN203888676U CN 203888676 U CN203888676 U CN 203888676U CN 201420217553 U CN201420217553 U CN 201420217553U CN 203888676 U CN203888676 U CN 203888676U
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- Prior art keywords
- pull bar
- fixed
- light
- automatic locking
- door automatic
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The utility model relates to a rear door automatic locking mechanism for a light dump truck. The rear door automatic locking mechanism comprises a pull rod base, a pull rod, a locking hook and a pin shaft arranged on the pull rod base, wherein the pull rod base is fixed on a frame below a carriage of the light dump truck; one end of the pull rod is fixed on the pin shaft, and the other end of the pull rod is connected with a threaded fork; the locking fork comprises a locking fork body and a locking hook head; the locking hook body is provided with a fixing hole A and a fixing hole B; the fixing hole A is fixedly connected with the threaded fork; the fixing hole B is fixed in the bottom of the carriage through a fixing shaft. The rear door automatic locking mechanism has the beneficial effects that the locking hook moves circumferentially by taking the carriage as the overturning center; meanwhile, the locking hook takes the pull rod base as the circle center and moves circumferentially by taking the pull rod as the radius, and the locking hook is overturned irregularly under two types of circle center forces, thereby realizing automatic unlocking and locking of the locking hook; the tightness of the locking mechanism can be adjusted through the threaded fork and the pull rod to improving the opening or closing flexibility of a rear door of the carriage.
Description
Technical field
The utility model belongs to dumping car accessory equipment technical field, relates to a kind of automatic locking mechanism, the tight mechanism of especially a kind of rear-door automatic locking for light-duty dumping car.
Background technology
Along with the reform that China's Urbanization Construction and community organization make the transition, heavy type traction semi-mounted, independent trailer cannot meet the types of transportation that adapts to variedization, and the more practical light-duty dumping car of applying flexible welcomes opportunity to develop relatively.
Operability, stability, the safety of light-duty dumping car back pullout (BPO) latching device is the important embodiment of whole vehicle functions.In dumping car transportation in the market, the form of back pullout (BPO) locking mechanism mainly comprises: conventional chains jam plate formula and force push-down catch gear, structure is single, unstable, cannot meet various changeable operating needs now, especially under severe road conditions, having serious potential safety hazard, there is potential safety hazard in user's back door opening process of unloading.
In addition, when conventional chains jam plate formula catch gear is turned to rearmost end behind compartment, due to the excessive chain problem that cannot use to the greatest extent that contracts that occurs of the too small angle of pull of distance; Force push-down catch gear easily to occur the problem of push rod clamping stagnation.
Under the real economy depression of script market, flagging overall background, the phenomenons such as auto parts and components, equipment mechanism technical design backwardness have seriously restricted automotive market development.
Utility model content
The purpose of this utility model is, the defect existing for above-mentioned prior art, provide the design tight mechanism of a kind of rear-door automatic locking for light-duty dumping car, to solve chain the contracting problem that to the greatest extent consequently cannot use and the push rod clamping stagnation problem of forcing push-down catch gear of conventional chains jam plate formula catch gear.
For achieving the above object, the utility model provides following technical scheme:
For the tight mechanism of rear-door automatic locking of light-duty dumping car, comprising: draw-bar seat, pull bar, latch hook and be arranged at the bearing pin on draw-bar seat, described draw-bar seat is fixed on the vehicle frame of light-duty body of tipper carriage below; It is characterized in that: one end of pull bar is fixed on bearing pin, the other end of pull bar is connected with forked thread, described latch hook comprises latch hook body and latch hook head, latch hook body is provided with A fixed orifice and B fixed orifice, described A fixed orifice is fixedly connected with forked thread, and described B fixed orifice is fixed on car bottom by anchor shaft.
Preferably, described bearing pin is provided with through hole, and pull bar passes through hole, and is fixed by A nut and B nut.
Pull bar passes through hole, and is fixed by A nut and B nut, for different vehicles, A nut and B nut is unclamped, and adjusts pull bar so that it meets the needs of this car vehicle.
Preferably, described pull bar is provided with rebounding mechanism near the periphery of one end of bearing pin.
Preferably, described rebounding mechanism comprises two shape caps and is fixed on the spring between two shape caps.
Preferably, a shape cap of described rebounding mechanism is fixed on B nut, and another shape cap is fixed on pull bar.
By rebounding mechanism, avoid dumping car in non-lifting process, latch hook is sagging due to gravity effect, prevents pull bar down sliding simultaneously, to guarantee the tight lock of catch gear to carriage back door.
Preferably, described A fixed orifice and forked thread carry out hinged.
Preferably, described pull bar is cylindrical pull bar.
Preferably, the diameter at described pull bar two ends is less than the diameter of pull bar middle part.
Preferably, described draw-bar seat is steel draw-bar seat.
Preferably, described pull bar is steel pull bar.
The beneficial effects of the utility model are, in carriage lifting process, latch hook moves in a circle centered by upset with compartment later, simultaneously, latch hook is taking draw-bar seat as the center of circle, move in a circle taking pull bar as radius, and latch hook, being subject to do irregular flip-flop movement under two center of circle power, makes in carriage lifting process, latch hook is opened automatically, and opens tail gate; Just the opposite in compartment landing process, latch hook is locked tail gate along with the landing in compartment;
Can regulate the elasticity of catch gear by forked thread and pull bar, the flexibility ratio when opening or close compartment tail gate improving.
In addition, the utility model principle of design is reliable, simple in structure, has application prospect very widely.
As can be seen here, the utility model compared with prior art, has substantive distinguishing features and progress, and the beneficial effect of its enforcement is also apparent.
Brief description of the drawings
The structural representation of a kind of tight mechanism of rear-door automatic locking for light-duty dumping car that Fig. 1 provides for the utility model.
The assembling of a kind of tight mechanism of rear-door automatic locking for light-duty dumping car that Fig. 2 provides for the utility model is used schematic diagram
Wherein, 1-draw-bar seat, 2-spring, 3-pull bar, 4-forked thread, 5-latch hook body, 7-bearing pin, 51-B fixed orifice, 52-A fixed orifice, 53-latch hook head, 61-A nut, 62-B nut, 9-shape cap, 10-compartment, 11-vehicle frame.
Detailed description of the invention
Below in conjunction with accompanying drawing and by specific embodiment, the utility model is elaborated, and following examples are to explanation of the present utility model, and the utility model is not limited to following embodiment.
As depicted in figs. 1 and 2, the tight mechanism of a kind of rear-door automatic locking for light-duty dumping car that the utility model provides, comprise: draw-bar seat 1, pull bar 3, latch hook and be arranged at the bearing pin 7 on draw-bar seat 1, one end of pull bar 3 is fixed on bearing pin 7, the other end of pull bar 3 is connected with forked thread 4, described draw-bar seat 1 is fixed on the vehicle frame 11 of light-duty body of tipper carriage 10 belows, described latch hook comprises latch hook body 5 and latch hook head 53, latch hook body 5 is provided with A fixed orifice 52 and B fixed orifice 51, described A fixed orifice 52 is fixedly connected with forked thread 4, described B fixed orifice 51 is fixed on 10 bottoms, compartment by anchor shaft.
In the present embodiment, described bearing pin 7 is provided with through hole, and pull bar 3 passes through hole, and is fixed by A nut 61 and B nut 62.
Pull bar 3 passes through hole, and is fixed by A nut 61 and B nut 62, for different vehicles, A nut 61 and B nut 62 is unclamped, and adjusts the length of pull bar 3 so that it meets the needs of this car vehicle.
Described pull bar 3 is provided with rebounding mechanism near the periphery of one end of bearing pin 7.
Described rebounding mechanism comprises two shape caps 9 and is fixed on the spring 2 between two shape caps.
A shape cap of described rebounding mechanism is fixed on B nut 62, and another shape cap is fixed on pull bar 3.
By rebounding mechanism, avoid dumping car in non-lifting process, latch hook is sagging due to gravity effect, prevents pull bar 3 down slidings simultaneously, to guarantee the tight lock of catch gear to carriage back door.
Described A fixed orifice 52 carries out hinged with forked thread 4.
Described pull bar 3 is cylindrical pull bar.
The diameter at described pull bar 3 two ends is less than the diameter of pull bar middle part.
Described draw-bar seat 1 is steel draw-bar seat.
Described pull bar 3 is steel pull bar
In concrete use procedure, in the time of carriage lifting, latch hook moves in a circle centered by upset with compartment 10 later, simultaneously latch hook is taking draw-bar seat 1 as the center of circle, move in a circle taking pull bar 3 as radius, latch hook is being subject to do irregular flip-flop movement under two different center of circle power, make in compartment 10 lifting process, latch hook is opened automatically, and opens tail gate; Contrary in the time that compartment 10 lands, latch hook is locked tail gate along with the landing in compartment 10.
Disclosed is above only preferred implementation of the present utility model; but the utility model is not limited thereto; any those skilled in the art can think there is no a creationary variation; and not departing from some improvements and modifications of doing under the utility model principle prerequisite, all should drop in protection domain of the present utility model.
Claims (10)
1. for the tight mechanism of rear-door automatic locking of light-duty dumping car, comprising: draw-bar seat, pull bar, latch hook and be arranged at the bearing pin on draw-bar seat, described draw-bar seat is fixed on the vehicle frame of light-duty body of tipper carriage below; It is characterized in that: one end of pull bar is fixed on bearing pin, the other end of pull bar is connected with forked thread, described latch hook comprises latch hook body and latch hook head, latch hook body is provided with A fixed orifice and B fixed orifice, described A fixed orifice is fixedly connected with forked thread, and described B fixed orifice is fixed on car bottom by anchor shaft.
2. the tight mechanism of a kind of rear-door automatic locking for light-duty dumping car according to claim 1, is characterized in that: described bearing pin is provided with through hole, and pull bar passes through hole, and is fixed by A nut and B nut.
3. the tight mechanism of a kind of rear-door automatic locking for light-duty dumping car according to claim 1 and 2, is characterized in that: described pull bar is provided with rebounding mechanism near the periphery of one end of bearing pin.
4. the tight mechanism of a kind of rear-door automatic locking for light-duty dumping car according to claim 3, is characterized in that: described rebounding mechanism comprises two shape caps and is fixed on the spring between two shape caps.
5. the tight mechanism of a kind of rear-door automatic locking for light-duty dumping car according to claim 4, is characterized in that: a shape cap of described rebounding mechanism is fixed on B nut, and another shape cap is fixed on pull bar.
6. the tight mechanism of a kind of rear-door automatic locking for light-duty dumping car according to claim 5, is characterized in that: described A fixed orifice and forked thread carry out hinged.
7. the tight mechanism of a kind of rear-door automatic locking for light-duty dumping car according to claim 6, is characterized in that: described pull bar is cylindrical pull bar.
8. the tight mechanism of a kind of rear-door automatic locking for light-duty dumping car according to claim 7, is characterized in that: the diameter at described pull bar two ends is less than the diameter of pull bar middle part.
9. the tight mechanism of a kind of rear-door automatic locking for light-duty dumping car according to claim 8, is characterized in that: described draw-bar seat is steel draw-bar seat.
10. the tight mechanism of a kind of rear-door automatic locking for light-duty dumping car according to claim 9, is characterized in that: described pull bar is steel pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420217553.8U CN203888676U (en) | 2014-04-30 | 2014-04-30 | Rear door automatic locking mechanism for light dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420217553.8U CN203888676U (en) | 2014-04-30 | 2014-04-30 | Rear door automatic locking mechanism for light dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203888676U true CN203888676U (en) | 2014-10-22 |
Family
ID=51715120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420217553.8U Expired - Lifetime CN203888676U (en) | 2014-04-30 | 2014-04-30 | Rear door automatic locking mechanism for light dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203888676U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950401A (en) * | 2014-04-30 | 2014-07-30 | 中国重汽集团济南动力有限公司 | Automatic locking mechanism for rear door of light dump truck |
| CN108100513A (en) * | 2017-12-26 | 2018-06-01 | 中车西安车辆有限公司 | A kind of granular material transport container |
| CN108100513B (en) * | 2017-12-26 | 2024-05-10 | 中车西安车辆有限公司 | Powdery material transportation container |
-
2014
- 2014-04-30 CN CN201420217553.8U patent/CN203888676U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950401A (en) * | 2014-04-30 | 2014-07-30 | 中国重汽集团济南动力有限公司 | Automatic locking mechanism for rear door of light dump truck |
| CN108100513A (en) * | 2017-12-26 | 2018-06-01 | 中车西安车辆有限公司 | A kind of granular material transport container |
| CN108100513B (en) * | 2017-12-26 | 2024-05-10 | 中车西安车辆有限公司 | Powdery material transportation container |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |