CN215205095U - Hidden self-lock device that opens and shuts of self-discharging semitrailer back door - Google Patents
Hidden self-lock device that opens and shuts of self-discharging semitrailer back door Download PDFInfo
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- CN215205095U CN215205095U CN202121695683.9U CN202121695683U CN215205095U CN 215205095 U CN215205095 U CN 215205095U CN 202121695683 U CN202121695683 U CN 202121695683U CN 215205095 U CN215205095 U CN 215205095U
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Abstract
The utility model discloses a hidden self-lock device that opens and shuts of self-discharging semitrailer back door, including the loading carriage, be equipped with the carriage baffle with loading carriage looks adaptation in the loading carriage, the sliding frame that two symmetries of loading carriage inside wall fixedly connected with set up. The utility model discloses a loading carriage, the carriage baffle, the sliding frame, the intercommunication mouth, the fixed block, the joint board, the cooperation of sliding tray is used, can be when loading and unloading the goods in the loading carriage, pull the spicy side of pulling rod earlier, then lift the carriage baffle upwards through the manual work, the protection shield upwards removes under protection spring's effect this moment, make the protection shield sealed with the fixed orifices, after loading and unloading are accomplished, loosen the carriage baffle can, the carriage baffle can push the protection shield downwards, then make the fixed block carry on spacingly to the carriage baffle under fixed spring's effect, the step that needs artifical locking has been simplified, the practicality of device has been improved.
Description
Technical Field
The utility model relates to a auto-lock technical field that opens and shuts especially relates to a hidden auto-lock device that opens and shuts of self-discharging semitrailer back door.
Background
The dumper is a vehicle for automatically unloading goods by hydraulic or mechanical lifting, also called as a dumper, and consists of a chassis, a hydraulic lifting mechanism, a cargo compartment, a power takeoff device and other parts, the compartment of the dumper is tilted backwards and laterally, a piston rod is controlled to move by an operating system, the compartment is reset by self gravity and hydraulic control, and the loading compartment can automatically tilt for a certain angle to unload the goods, so that the unloading time and labor are greatly saved, the transportation period is shortened, the production efficiency is improved, and the transportation cost is reduced.
The rear door of a container of a dump truck in the prior art is controlled to be opened or locked through an independent control transmission mechanism, so that small-particle goods easily enter a fixed port when the goods are loaded and unloaded, the locking of a frame baffle is affected, and the risk during goods transportation is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art and providing a hidden self-locking device that opens and shuts of self-discharging semitrailer back door.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the hidden opening and closing self-locking device for the rear door of the self-discharging semitrailer comprises a loading carriage, wherein a carriage baffle matched with the loading carriage is arranged in the loading carriage, two symmetrically arranged sliding frames are fixedly connected to the inner side wall of the loading carriage, the inner side wall of each sliding frame is slidably connected with the outer side wall of the corresponding carriage baffle, a plurality of fixing ports are formed in the side wall of the loading carriage, the fixing ports are arranged in pairs, the fixing ports are connected with clamping and connecting plates through sliding mechanisms, and limiting mechanisms are arranged in the fixing ports.
Preferably, the sliding mechanism comprises a sliding groove formed in an inner side wall of the fixing port, and a sliding shaft is fixedly connected to the inner side wall of the sliding groove.
Preferably, stop gear is including seting up the intercommunication mouth in the fixed orifices bottom, intercommunication mouth inside wall sliding connection has the connecting rod, it places the mouth to have seted up on the joint board, the connecting rod lateral wall with place the interior lateral wall fixed connection of mouth, the connecting rod lateral wall cover is equipped with fixed spring, the fixed spring both ends respectively with joint board lateral wall and the interior lateral wall fixed connection of fixed orifices.
Preferably, a plurality of fixed slots are formed in the car frame baffle, and one end, close to the car frame baffle, of the communicating rod is fixedly connected with a fixed block matched with the fixed slots.
Preferably, the clamping plate is provided with a sliding opening corresponding to the sliding shaft, and the outer side wall of the sliding shaft is in sliding connection with the inner side wall of the sliding opening.
Preferably, the inner side wall of the loading carriage is slidably connected with a protection plate, and a protection spring is fixedly connected between the bottom of the protection plate and the inner bottom of the loading carriage.
Preferably, the fixed block is in the right triangle setting, two connect through the pull rod between the pole and connect.
Compared with the prior art, the utility model has the following advantage:
through the loading carriage, the car frame baffle, the sliding frame, the intercommunication mouth, the fixed block, the joint board, the cooperation of sliding tray is used, can be when loading and unloading goods in the loading carriage, pull the spicy side pull of pulling pole earlier, then through the manual work with car frame baffle lifting that makes progress, the protection shield upwards removes under protection spring's effect this moment, make the protection shield sealed with the fixed mouthful, after loading and unloading are accomplished, it can to loosen the car frame baffle, the car frame baffle can be with the protection shield push down, then make the fixed block carry on spacingly to the car frame baffle under fixed spring's effect, the step that needs artifical locking has been simplified, the practicality of device has been improved.
Drawings
Fig. 1 is a schematic structural view of a hidden type opening and closing self-locking device for a rear door of a self-discharging semitrailer, which is provided by the utility model;
fig. 2 is a cross-sectional view of the hidden type opening and closing self-locking device for the rear door of the self-discharging semitrailer, which is provided by the utility model;
fig. 3 is an enlarged view of the position a of the present invention.
In the figure: 1. a loading compartment; 2. a vehicle frame baffle; 3. a sliding frame; 4. fixing grooves; 5. a fixed port; 6. a communication port; 7. a communication rod; 8. a fixed block; 9. a clamping and connecting plate; 10. a sliding groove; 11. a protection plate; 12. a protection spring; 13. pulling the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, the hidden type opening and closing self-locking device for the rear door of the self-discharging semitrailer comprises a loading carriage 1, a carriage baffle 2 matched with the loading carriage 1 is arranged in the loading carriage 1, two symmetrically arranged sliding frames 3 are fixedly connected to the inner side wall of the loading carriage 1, the inner side wall of each sliding frame 3 is slidably connected with the outer side wall of the carriage baffle 2, a plurality of fixing ports 5 are formed in the side wall of the loading carriage 1, the fixing ports 5 are arranged in pairs, and the stability of locking the carriage baffle 2 can be ensured by arranging two connecting rods 7;
the fixed port 5 is connected with a clamping plate 9 through a sliding mechanism, the sliding mechanism comprises a sliding groove 10 formed in the inner side wall of the fixed port 5, the inner side wall of the sliding groove 10 is fixedly connected with a sliding shaft, the clamping plate 9 is provided with a sliding port corresponding to the sliding shaft, and the outer side wall of the sliding shaft is in sliding connection with the inner side wall of the sliding port;
a limiting mechanism is arranged in the fixed opening 5, the limiting mechanism comprises a communicating opening 6 arranged at the bottom in the fixed opening 5, the inner side wall of the communicating opening 6 is connected with a communicating rod 7 in a sliding mode, a placing opening is formed in the clamping plate 9, the outer side wall of the communicating rod 7 is fixedly connected with the inner side wall of the placing opening, a fixing spring is sleeved on the outer side wall of the communicating rod 7, two ends of the fixing spring are respectively and fixedly connected with the outer side wall of the clamping plate 9 and the inner side wall of the fixed opening 5, a plurality of fixing grooves 4 are formed in the car frame baffle 2, one end, close to the car frame baffle 2, of the communicating rod 7 is fixedly connected with a fixing block 8 matched with the fixing grooves 4, the fixing block 8 is arranged in a right-angle triangle mode, the two communicating rods 7 are connected through a pulling rod 13, and the fixing block 8 can limit the car frame baffle 2 through the limiting mechanism;
the protection plate 11 is connected to the inner side wall of the loading carriage 1 in a sliding mode, the protection spring 12 is fixedly connected between the bottom of the protection plate 11 and the bottom of the loading carriage 1, the protection plate 11 is enabled to protect the fixed port 5 when the cargoes are loaded and unloaded by arranging the protection spring 12 and the protection plate 11, and the cargoes cannot influence the locking of the carriage baffle 2.
The utility model discloses specific theory of operation as follows:
firstly, when the goods in the loading compartment 1 need to be loaded and unloaded, the pulling rods 13 at the two sides are pulled towards the two sides by manpower, so that the fixing block 8 is separated from the fixing groove 4 and enters the fixing opening 5, then the frame baffle 2 is lifted upwards, when the frame baffle 2 moves upwards, the protection plate 11 moves upwards under the action of the protection spring 12, the protection plate 11 can seal the fixing port 5, can prevent goods from entering the fixed port 5 in the loading process, can ensure the stability of the up-and-down movement of the car frame baffle 2 by arranging the sliding frame 3, after the loading and unloading goods are finished, the car frame baffle 2 is loosened, the protection plate 11 is pressed downwards by the aid of gravity of the car frame baffle 2, the fixed block 8 pushes the fixed block 8 into the fixed groove 4 under the action of the fixed spring, the car frame baffle 2 can be limited, and practicability of the device is improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a hidden self-lock device that opens and shuts of self-discharging semitrailer back door, includes loading carriage (1), its characterized in that, be equipped with in loading carriage (1) with frame baffle (2) of loading carriage (1) looks adaptation, sliding frame (3) that two symmetries of loading carriage (1) inside wall fixedly connected with set up, sliding frame (3) inside wall and frame baffle (2) lateral wall sliding connection, a plurality of fixed mouthful (5) have been seted up to loading carriage (1) lateral wall, fixed mouthful (5) are two liang of settings, fixed mouthful (5) are connected with joint board (9) through slide mechanism, be equipped with stop gear in fixed mouthful (5).
2. The hidden type opening and closing self-locking device for the rear door of the dump semi-trailer according to claim 1, wherein the sliding mechanism comprises a sliding groove (10) formed in the inner side wall of the fixed opening (5), and a sliding shaft is fixedly connected to the inner side wall of the sliding groove (10).
3. The hidden self-locking device that opens and shuts of self-discharging semitrailer back door according to claim 1, characterized in that, stop gear is including seting up in fixed mouthful (5) bottom intercommunication mouth (6), intercommunication mouth (6) inside wall sliding connection has connecting rod (7), seted up on joint plate (9) and placed the mouth, the inside wall fixed connection in connecting rod (7) lateral wall and the placing port, connecting rod (7) lateral wall cover is equipped with fixed spring, the fixed spring both ends respectively with joint plate (9) lateral wall and fixed mouthful (5) inside wall fixed connection.
4. The hidden type opening and closing self-locking device for the rear door of the dump semi-trailer according to claim 3, wherein a plurality of fixing grooves (4) are formed in the frame baffle (2), and one end, close to the frame baffle (2), of the communication rod (7) is fixedly connected with a fixing block (8) matched with the fixing grooves (4).
5. The hidden opening and closing self-locking device for the rear door of the dump semi-trailer as claimed in claim 2, wherein the clamping plate (9) is provided with a sliding opening corresponding to the sliding shaft, and the outer side wall of the sliding shaft is slidably connected with the inner side wall of the sliding opening.
6. The hidden opening and closing self-locking device for the rear door of the dump semi-trailer according to claim 1 is characterized in that a protection plate (11) is slidably connected to the inner side wall of the loading carriage (1), and a protection spring (12) is fixedly connected between the bottom of the protection plate (11) and the inner bottom of the loading carriage (1).
7. The hidden opening and closing self-locking device for the rear door of the dump semi-trailer according to claim 4, wherein the fixed block (8) is arranged in a right triangle shape, and the two connecting rods (7) are connected through a pulling rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695683.9U CN215205095U (en) | 2021-07-26 | 2021-07-26 | Hidden self-lock device that opens and shuts of self-discharging semitrailer back door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695683.9U CN215205095U (en) | 2021-07-26 | 2021-07-26 | Hidden self-lock device that opens and shuts of self-discharging semitrailer back door |
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| Publication Number | Publication Date |
|---|---|
| CN215205095U true CN215205095U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121695683.9U Active CN215205095U (en) | 2021-07-26 | 2021-07-26 | Hidden self-lock device that opens and shuts of self-discharging semitrailer back door |
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| CN (1) | CN215205095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116653740A (en) * | 2023-06-25 | 2023-08-29 | 蒙阴县鹏程万里车辆有限公司 | Self-locking device for hidden opening and closing of rear door of self-discharging semitrailer |
-
2021
- 2021-07-26 CN CN202121695683.9U patent/CN215205095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116653740A (en) * | 2023-06-25 | 2023-08-29 | 蒙阴县鹏程万里车辆有限公司 | Self-locking device for hidden opening and closing of rear door of self-discharging semitrailer |
| CN116653740B (en) * | 2023-06-25 | 2024-03-22 | 蒙阴县鹏程万里车辆有限公司 | Self-locking device for hidden opening and closing of rear door of self-discharging semitrailer |
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