Self-locking type fastening device
By designing a self-locking fastening device, the combination of holed pin shaft, rope hook, gear and self-locking block is solved, and the problem of unstable fixation of the goods of three-wheeled vehicles is achieved, achieving stable fixation and easy operation of the goods.
Patent Information
- Application Number
- CN202421941280.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The existing three-wheeled vehicles have the problem of the problem of the cargo being fixed in a tight manner. It mainly relies on manpower to step up the fixing, the operation is complicated and the fixing effect is poor.
A self-locking fastening device is designed, including a fixed seat connected to the body of the car, a holed pin shaft that penetrates the fixed seat, a rope hook placed on the working surface of the holed pin shaft, a gear and a self-locking block. By fixing one end of the fixing rope on the rope hook and the other end on the rope hook on the other side, and the self-locking fixing of the goods is achieved through the cooperation of the gear and the self-locking block.
It realizes stable and fixed goods and is simple to operate, avoids the problem of unsolid goods caused by manpower tightening fixation, and improves the safety and efficiency of cargo transportation.
Smart Images
Figure CN222832761U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of manufacturing and modification of vehicle devices, in particular to a self-locking fastening device. Background Art
[0002] A three-wheeled vehicle is a type of truck, which has a cargo-carrying part with a railing structure and three wheels. The power source can be an engine or an electric motor, and it is mainly used for carrying cargo.
[0003] The existing method of fixing the goods is to weld several rope hooks on the inner side of the low side of the carriage, and pass the fixing rope through the rope hooks to fix the goods. When fixing the goods, it depends entirely on manpower to tighten and fix, which easily causes the goods to be not firmly fixed. Utility Model Content
[0004] Purpose of the utility model: to provide a self-locking fastening device to solve the above-mentioned problems existing in the prior art.
[0005] Technical solution: A self-locking fastening device, including a fixed seat connected to a car body and having a predetermined working size supporting force, characterized in that it also includes a pin shaft with a hole that passes through the fixed seat, has a predetermined working length and supporting force, and can be adjusted within a predetermined range; a rope hook with a predetermined working length and supporting force is placed on the working surface of the pin shaft with a hole; a gear is provided on one side of the pin shaft with a hole, and a corresponding self-locking block is provided at the upper position of the gear in the working direction, and the self-locking block is connected to the fixed seat.
[0006] In a further embodiment, the self-locking block is connected to the fixing seat via a pin shaft, and can be rotated and adjusted within a predetermined range; and the self-locking block is provided with a corresponding locking groove, and the operating size of the locking groove is adapted to the operating size of the gear.
[0007] In a further embodiment, the fixing seat is concave in shape, and the left and right vertical ends in the working direction are provided with through holes of predetermined working sizes; the perforated pin shaft passes through the fixing seat through the through hole provided in the fixing seat, and both ends extend out of the fixing seat to predetermined positions.
[0008] In a further embodiment, the gear is placed at one end of the perforated pin extending out of the fixed seat, and the self-locking block is placed on the outer wall surface of the fixed seat in the working direction with a predetermined working distance between it and the gear.
[0009] In a further embodiment, the other end of the pin shaft with holes extending out of the fixing seat is provided with a through hole of a predetermined operation size. The rope hook has a predetermined bending arc, and the pin shaft with holes is rotatably connected to the fixing seat, and can perform a rotation adjustment operation within a predetermined range.
[0010] In a further embodiment, the through hole end of the pin shaft with a hole is connected to the fixing seat through a limiting piece.
[0011] Beneficial effects: The utility model relates to a self-locking fastening device, and relates to the technical field of manufacturing and modification of vehicle devices, including a fixing seat connected to the carriage body, characterized in that it also includes a pin shaft with a hole that passes through the fixing seat, has a predetermined working length to a supporting force, and can perform a predetermined range of movable adjustment operations; a rope hook placed on the working surface of the pin shaft with a hole, and has a predetermined working length and a supporting force; a gear is provided on one side of the pin shaft with a hole, and a corresponding self-locking block is provided at the upper position of the working direction of the gear, and the self-locking block is connected to the fixing seat. The application specifically fixes one end of the fixing rope on the rope hook in the self-locking fastening device, passes the fixing rope through the cargo, and the other end is fixed on the rope hook in the self-locking fastening device on the other side, and an iron rod is inserted into the hole on one side of the device and rotated, and the gear drives the self-locking block to rotate, and the self-locking block is stuck in the gear under the action of its own weight, thereby achieving the function of fixing the cargo, and the operation is simple and the fixing effect is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is an overall schematic diagram of the utility model.
[0013] Figure 2 It is a partially enlarged schematic diagram of the utility model.
[0014] The reference numerals in the figures are: a pin shaft with a hole 1, a limit plate 2, a fixing seat 3, a rope hook 4, a gear 5, a self-locking block 6, a pin shaft 7, and a carriage 8. DETAILED DESCRIPTION
[0015] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.
[0016] Embodiment 1:
[0017] The self-locking fastening device proposed in this embodiment includes a fixed seat connected to the carriage body and having a predetermined operating size support force, and is characterized in that it also includes a pin shaft with a hole that passes through the fixed seat, has a predetermined operating length and support force, and can be adjusted within a predetermined range; a rope hook with a predetermined operating length and support force is placed on the operating surface of the pin shaft with a hole; a gear is provided on one side of the pin shaft with a hole, and a corresponding self-locking block is provided at the upper position of the gear operating direction, and the self-locking block is connected to the fixed seat. The self-locking block is connected to the fixed seat through the pin shaft, and can be adjusted by rotation within a predetermined range; and the self-locking block is provided with a corresponding positioning groove, and the operating size of the positioning groove is adapted to the operating size of the gear. In the later operation process, the rope hook can be driven to rotate accordingly by adjusting the rotation of the self-locking block, and the gear can be driven to rotate accordingly at the same time.
[0018] Embodiment 2:
[0019] On the basis of the first embodiment, the fixed seat is concave, and the left and right vertical ends in the working direction are provided with through holes of a predetermined working size; the pin shaft with a hole passes through the fixed seat through the through hole provided in the fixed seat, and both ends extend out of the fixed seat to a predetermined position. The gear is placed at one end of the pin shaft with a hole extending out of the fixed seat, and the self-locking block is placed on the outer wall surface of the fixed seat in the working direction, and a predetermined working distance is left between the gear. The other end of the pin shaft with a hole extending out of the fixed seat is provided with a through hole of a predetermined working size. The rope hook has a predetermined bending arc, and the pin shaft with a hole is rotatably connected to the fixed seat, and can perform a rotation adjustment operation within a predetermined range. The through hole end of the pin shaft with a hole is connected to the fixed seat through a limit plate. In a further preferred embodiment, the self-locking fastening device described in the present application is used in a plurality of coordinated arrangements when in use, at least two, and symmetrically distributed on the left and right sides of the car.
[0020] Based on the above embodiments, the working process of the utility model is as follows: one end of the fixing rope is knotted and fixed on the rope hook, the fixing rope passes through the cargo, and the other end is fixed on the rope hook on the other side, the iron rod is inserted into the hole of the perforated pin shaft, and the iron rod is rotated, and the rope hook rotates with the fixing rope, the gear and the self-locking block, and rotates until the cargo is fixed. The self-locking block is stuck in the gear under the action of its own weight, thereby fixing the cargo; the iron rod is inserted into the hole of the perforated pin shaft, and the iron rod is pressed hard to make a gap between the gear and the self-locking block, and then the self-locking block is rotated upward to release the cargo.
[0021] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes can be made to it in form and detail without departing from the spirit and scope of the present invention defined in the appended claims.
Claims
1. A self-locking fastening device, comprising a fixing seat connected to a carriage body and having a predetermined operating size supporting force, characterized in that Also includes: A pin shaft with a hole passes through the fixing seat, has a predetermined working length and supporting force, and can be adjusted within a predetermined range; a rope hook is placed on the working surface of the pin shaft with a hole, has a predetermined working length and supporting force; a gear is provided on one side of the pin shaft with a hole, and a corresponding self-locking block is provided at the upper position of the gear in the working direction, and the self-locking block is connected to the fixing seat.
2. A self-locking fastening device according to claim 1, characterized in that: The self-locking block is connected to the fixing seat via a pin shaft, and can be rotated and adjusted within a predetermined range; and the self-locking block is provided with a corresponding positioning groove, and the operating size of the positioning groove is adapted to the operating size of the gear.
3. A self-locking fastening device according to claim 2, characterized in that: The fixing seat is concave in shape, and the left and right vertical ends in the working direction are provided with through holes of predetermined working sizes; the pin shaft with a hole passes through the fixing seat through the through hole provided in the fixing seat, and both ends extend out of the fixing seat to predetermined positions.
4. A self-locking fastening device according to claim 2, characterized in that: The gear is placed at one end of the pin shaft with a hole extending out of the fixing seat, and the self-locking block is placed on the outer wall surface of the fixing seat in the working direction, with a predetermined working distance between the self-locking block and the gear.
5. A self-locking fastening device according to claim 4, characterized in that: A through hole of a predetermined working size is provided at the other end of the pin shaft with a hole extending out of the fixing seat; The rope hook has a predetermined bending arc, and the pin shaft with a hole is rotatably connected to the fixing seat, and a rotation adjustment operation within a predetermined range can be performed.
6. A self-locking fastening device according to claim 5, characterized in that: The through hole end of the pin shaft with a hole is connected to the fixing seat through a limiting piece.