CN221250445U - Ball seat for trailer tractor and locking mechanism - Google Patents
Ball seat for trailer tractor and locking mechanism Download PDFInfo
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- CN221250445U CN221250445U CN202323463218.4U CN202323463218U CN221250445U CN 221250445 U CN221250445 U CN 221250445U CN 202323463218 U CN202323463218 U CN 202323463218U CN 221250445 U CN221250445 U CN 221250445U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The application belongs to the technical field of trailer tractor parts, and particularly relates to a ball seat for a trailer tractor, which comprises a connecting shaft mounting part and a ball mounting part, wherein a ball groove is formed below the ball mounting part, a detachable traction ball is arranged in the ball groove, the ball seat also comprises a locking component mounting part, the locking component mounting part is connected with a locking component, and the locking component is used for locking the traction ball. The application further provides a locking mechanism. The application is locked by the locking component, effectively prevents the traction ball head from falling out of the ball head seat, ensures the safety in the driving process, and has simple and reasonable structure and simple and quick disassembly.
Description
Technical Field
The application belongs to the technical field of trailer tractor parts, and particularly relates to a ball seat for a trailer tractor and a locking mechanism.
Background
At present, trailer tractors adopted in europe are various, most of the trailer tractors adopted in australia are of stamping structures, most of the trailer tractors adopted in australia are of casting structures, but the trailer tractors are not limited to ball-head type, towing rod type and towing ring type, and the trailer tractors are of a multi-purpose ball-head type for small motor home and trailers. Trailer retractors are used as a means of coupling a tractor to a trailer, which is defined as a safety element, and are critical to the safety of the towing during the travel of the trailer. At present, though the safety locking component is arranged on the tractor in the industry, the structure is complex, and the ball head is easy to separate from the ball head seat. Therefore, further improvements are needed.
Disclosure of Invention
In order to achieve the above purpose, the application adopts the following technical scheme: the utility model provides a bulb seat for trailer tractor, includes the bulb seat body, the bulb seat body includes connecting axle installation department, bulb installation department, the below of bulb installation department is the bulb groove, be provided with detachable traction bulb in the bulb groove, the bulb seat body still includes locking component installation department, locking component installation department is connected with locking component, locking component is used for the locking traction bulb.
Optionally, the locking assembly includes a handle and a locking block, the handle includes a handle base, a handle ring is provided at a top of the handle base, a locking block groove is provided at a connection of the handle ring and the handle base, and the locking block groove is used for accommodating the locking block.
Optionally, the inside of handle basal portion is the arc recess, the radian and the bulb groove looks adaptation of arc recess, the arc recess is used for locking and pulls the bulb.
Optionally, the top wall of the handle base is hingedly connected to the latch assembly mounting portion.
Optionally, a handle spring is provided outside the side wall of the handle base.
Optionally, a handle spring top wall is arranged on the locking assembly mounting part, a handle spring supporting part is arranged at the bottom of the handle base part, one end of the handle spring is abutted against the handle spring top wall, and the other end of the handle spring is abutted against the handle spring supporting part.
Optionally, the locking block is hinged with the ball head seat body.
Optionally, the locking piece includes locking piece arch, locking piece spring groove, locking piece arch detachable cartridge is in the locking piece recess, be provided with the locking spring in the locking piece spring groove, the locking spring cover is established on locking piece pivot bolt, the one end of locking spring supports and leans on in the locking piece spring groove.
Optionally, the locking spring includes the U type frame, the afterbody of U type frame sets up to the bolt perforation, the bolt perforation is connected with the supporting leg of perpendicular to U type frame.
A locking mechanism comprising a locking assembly and a ball socket for a trailer retractor as claimed in any one of the preceding claims.
The application provides a ball seat for a trailer tractor and a locking mechanism, which are locked through a locking assembly, so that the ball is effectively prevented from being pulled out of the ball seat, the safety in the driving process is ensured, and the structure is simple and reasonable, and the disassembly is simple and quick.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a ball socket for a trailer tractor of the present application;
FIG. 2 is a schematic view of the structure of the lock block;
FIG. 3 is a schematic view of the structure of the locking spring;
FIG. 4 is a schematic view of the structure of the traction ball locked by the handle, with the locking block located in the locking block groove;
FIG. 5 is a schematic view of the structure of the traction ball locked by the handle, with the locking block half disengaged from the locking block groove;
FIG. 6 is a schematic view of the structure of the traction ball in a state where the locking block is completely separated from the locking block groove and the traction ball is separated from the handle;
FIG. 7 is a schematic view of the structure of the traction ball in a state where the locking block is completely separated from the locking block groove and the traction ball is separated from the handle and the ball seat body;
FIG. 8 is a schematic diagram of the included angle ABC formed by the stress of points A, B, C and D;
Fig. 9 is a simplified diagram of ++abc in fig. 8.
The symbols in the drawings illustrate:
1-a ball seat body; 2-a vertical draw bolt assembly; 3-a horizontal draw bolt assembly; 4-handle rivets; 5-handle; 51-handle base; 52-a handle grip; 53-handle spring support; 54-arc-shaped grooves; 55-locking block grooves; 6-a handle spring; 7-locking blocks; 71-locking block protrusions; 72-locking block spring groove; 73-a locking block shaft hole; 8-locking block shaft pin bolts; 9-a locking spring; 91-U-shaped frame; 92-bolt perforation; 93-support legs; 10-connecting shafts; 11-a handle mounting portion hinge hole; 12-locking block shaft pin bolt holes; 13-handle spring top wall; 14-a ball head mounting part; 15-a locking assembly mounting portion; a connection axle mounting portion of a 16-trailer; 20-traction ball head.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
A ball seat for a trailer tractor and a locking mechanism according to embodiments of the present application will now be described.
Example 1
Referring to fig. 1 and 4, the application provides a ball seat for a trailer tractor, which comprises a ball seat body 1, wherein a locking assembly is arranged on the ball seat body 1.
The ball seat body 1 is of an integrated structure and comprises a connecting shaft mounting part 16, a ball head mounting part 14 and a locking assembly mounting part 15 of the trailer, wherein the connecting shaft mounting part 16 is connected with a connecting shaft 10 of the trailer through a vertical traction bolt assembly 2 and a horizontal traction bolt assembly 3. The upper part of the ball head installation part 14 is provided with a locking component installation part 15 and the lower part is provided with a ball head groove, a detachable traction ball head 20 is arranged in the ball head groove, the locking component installation part 15 is hinged with a locking component, and the locking component is used for locking the traction ball head 20, so that the traction ball head 20 cannot be separated from a ball head seat, and the driving safety is ensured.
Referring to fig. 1, the locking assembly includes a handle 5 and a locking block 7. The handle 5 is hinged with the ball seat body 1 through a handle rivet 4.
Specifically, the handle 5 includes a handle base 51, and a handle ring 52 is provided on the top of the handle base 51, and in order to facilitate pressing of the handle ring 52, the handle ring 52 may be connected horizontally in parallel with the top of the handle base 51, or the handle ring 52 may be connected obliquely with the top of the handle base 51.
The inner side of the handle base 51 is an arc-shaped groove 54; the arc of the arc-shaped groove 54 is matched with the ball groove. The arcuate recess 54 is used to lock the hitch ball 20.
The top wall of the handle base 51 is hingedly connected to the latch assembly mounting portion 15. Specifically, a handle base hinge hole is provided in the top wall of the handle base 51, and the handle hinge hole is matched with the handle mounting portion hinge hole 11 and the handle rivet 4 to realize the hinge connection between the handle base 51 and the handle 5.
Referring to fig. 1 and 4, a handle spring 6 is provided outside the side wall of the handle base 51. Specifically, the lock assembly mounting portion 15 is provided with a handle spring top wall 13, the bottom of the handle base 51 is provided with a handle spring support portion 53, and the handle spring 6 is abutted against the handle spring top wall 13 at one end and the handle spring support portion 53 at the other end.
The connection of the handle ring 52 and the handle base 51 is provided with a locking block groove 55, the locking block groove 55 being used for accommodating the locking block 7.
The locking block 7 is hinged with the ball seat body 1. Specifically, referring to fig. 1 and 2, the lock block 7 includes a lock block protrusion 71, a lock block spring groove 72, and a lock block shaft hole 73, and the ball seat body 1 is provided with a lock block shaft pin bolt hole 12, and the lock block 7 is connected with the ball seat body 1 by cooperation of the lock block shaft hole 73, the lock block shaft pin bolt hole 12, and the lock block shaft pin bolt 8.
Referring to fig. 7, the locking block protrusion 71 is detachably inserted into the locking block groove 55, the locking block spring groove 72 is provided therein with the locking spring 9, the locking spring 9 is sleeved on the locking block shaft pin bolt 8, and one end of the locking spring 9 abuts against the locking block spring groove 72. Referring to fig. 3, the locking spring 9 is an integrally formed structure, the locking spring 9 includes a U-shaped frame 91, a bolt through hole 92 is provided at the tail of the U-shaped frame 91, and a support leg 93 perpendicular to the U-shaped frame 91 is connected to the bolt through hole 92, and preferably, the support leg 93 is provided in an L-shape. The support legs 93 are located in the lock block spring slots 72 and the U-shaped brackets 91 are located in the lock assembly mounting portion 15 and rest against the top of the connecting shaft mounting portion 16.
The ball seat body 1, the handle rivet 4 and the locking block 7 are made of cast ball iron, and can maximally bear 3500kg of trailer load.
When the traction ball head seat of the traction vehicle works normally, the handle 5 and the ball head seat body 1 hold the traction ball head 20 of the traction vehicle (the traction ball head 20 is fixed on the traction vehicle), and the traction ball head 20 cannot be pulled out by the locking component, so that the safety in the driving process is ensured.
Referring to fig. 4 to 7, when unhooking (separation of the trailer and the tractor) is required, the locking block 7 is pulled open first, then the handle 5 is lifted, and at this time, the traction ball head 20 can be separated to complete unhooking. Due to the elastic force of the locking spring 9 and the handle spring 6, the locking block 7 bounces against and supports the handle 5, so that the hook is convenient for the next use.
Referring to fig. 8, the position of the locking block shaft pin bolt 8 is taken as a point A, the contact point of the locking block groove 55 and the locking block protrusion 71 is taken as a point B, the position of the handle rivet 4 is taken as a point C, the point D is stressed when the trailer is reversed through calculation and analysis of the movement of the crank slider mechanism, the straight line formed by connecting the point B and the point C bears anticlockwise torque around the point C, the angle ABC is less than or equal to 90 degrees, referring to fig. 9, fig. 9 is a simplified diagram of fig. 8, and the torque of AB which is subjected to BC torque conversion around the point A is obtained through stress analysis and is clockwise, at the moment, the locking block 7 has a locking enhancement trend, and therefore the unhooking risk does not exist.
The ball seat for the trailer tractor is used for connecting a trailer and a tractor.
Example 2
Referring to fig. 1-3, the present application also provides a locking mechanism comprising a locking assembly and the ball mount for a trailer tractor of embodiment 1. The locking mechanism is simple and reasonable in structure and convenient to assemble and disassemble.
The application provides a ball seat for a trailer tractor and a locking mechanism, which are locked through a locking assembly, so that the ball is effectively prevented from being pulled out of the ball seat, the safety in the driving process is ensured, and the structure is simple and reasonable, and the disassembly is simple and quick.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.
Claims (10)
1. The utility model provides a bulb seat for trailer tractor, includes the bulb seat body, the bulb seat body includes connecting axle installation department, bulb installation department, the below of bulb installation department is the bulb groove, be provided with detachable traction bulb in the bulb groove, its characterized in that: the ball seat body further comprises a locking assembly installation part, the locking assembly installation part is connected with a locking assembly, and the locking assembly is used for locking the traction ball head.
2. A ball socket for a trailer tractor as defined in claim 1 wherein: the locking assembly comprises a handle and a locking block, the handle comprises a handle base, a handle ring is arranged at the top of the handle base, a locking block groove is formed in the joint of the handle ring and the handle base, and the locking block groove is used for containing the locking block.
3. A ball socket for a trailer tractor as defined in claim 2 wherein: the inner side of the handle base part is an arc-shaped groove, the radian of the arc-shaped groove is matched with that of the ball groove, and the arc-shaped groove is used for locking the traction ball.
4. A ball socket for a trailer tractor as defined in claim 2 wherein: the top wall of the handle base is hinged with the locking assembly mounting part.
5. A ball socket for a trailer tractor as defined in claim 2 wherein: and a handle spring is arranged on the outer side of the side wall of the handle base.
6. A ball socket for a trailer hitch as claimed in claim 5, wherein: the handle spring top wall is arranged on the locking assembly mounting part, the handle spring supporting part is arranged at the bottom of the handle base part, one end of the handle spring is abutted against the handle spring top wall, and the other end of the handle spring is abutted against the handle spring supporting part.
7. A ball socket for a trailer tractor as defined in claim 2 wherein: the locking block is hinged with the ball head seat body.
8. A ball socket for a trailer hitch as claimed in claim 7, wherein: the locking block comprises a locking block protrusion and a locking block spring groove, the locking block protrusion is detachably inserted into the locking block groove, a locking spring is arranged in the locking block spring groove, the locking spring is sleeved on the locking block shaft pin bolt, and one end of the locking spring abuts against the locking block spring groove.
9. A ball socket for a trailer hitch as claimed in claim 8, wherein: the locking spring comprises a U-shaped frame, wherein bolt through holes are formed in the tail of the U-shaped frame, and support legs perpendicular to the U-shaped frame are connected with the bolt through holes.
10. A locking mechanism, characterized by: comprising a locking assembly and a ball socket for a trailer retractor according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323463218.4U CN221250445U (en) | 2023-12-18 | 2023-12-18 | Ball seat for trailer tractor and locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323463218.4U CN221250445U (en) | 2023-12-18 | 2023-12-18 | Ball seat for trailer tractor and locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221250445U true CN221250445U (en) | 2024-07-02 |
Family
ID=91650202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323463218.4U Active CN221250445U (en) | 2023-12-18 | 2023-12-18 | Ball seat for trailer tractor and locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221250445U (en) |
-
2023
- 2023-12-18 CN CN202323463218.4U patent/CN221250445U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |