CN219749428U - Rotatable trailer hook of accomodating - Google Patents
Rotatable trailer hook of accomodating Download PDFInfo
- Publication number
- CN219749428U CN219749428U CN202320422103.1U CN202320422103U CN219749428U CN 219749428 U CN219749428 U CN 219749428U CN 202320422103 U CN202320422103 U CN 202320422103U CN 219749428 U CN219749428 U CN 219749428U
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- locking
- locking shaft
- coupler body
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- shaft
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- 230000005540 biological transmission Effects 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
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- 230000001960 triggered effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a rotatably-contained trailer hook which comprises a fixed frame, a coupler body and an electric drive mechanism, wherein one end of the coupler body is fixedly provided with a rotating shaft, the other end of the coupler body is fixedly provided with a first connecting piece, the rotating shaft is rotationally connected with the fixed frame, the electric drive mechanism comprises a motor, a driving piece and a driven piece meshed with the driving piece, the driving piece is rotationally connected with the fixed frame, the driven piece is coaxially fixed with the rotating shaft, and the motor drives the driving piece to rotate and drives the coupler body to rotate through the driven piece and the rotating shaft. The utility model provides a rotationally-stored trailer hook which can be always arranged on an automobile, and can be electrically rotated for storage when not in use, so that the tail of the automobile is not protruded, and the normal driving of the automobile is not affected.
Description
Technical Field
The utility model relates to the technical field of trailer couplers, in particular to a rotatably-contained trailer coupler.
Background
The trailer hook is usually installed at the tail of an automobile and can be used for towing objects or rescuing trapped vehicles. The trailer hook protrudes out of the tail of the automobile when in use, if the trailer hook protrudes out of the tail of the automobile in the normal driving process, the protruding trailer hook can influence driving, and collision can possibly occur when the vehicle is parked, so that the existing trailer hook needs to be detached from the tail of the automobile when not in use, and the trailer hook can be mounted on the tail of the automobile when in use. Each time the trailer hook is used, the trailer hook is required to be disassembled and assembled, the use is inconvenient, and the disassembled trailer hook is easy to lose.
Disclosure of Invention
The utility model provides the rotationally-contained trailer hook, which aims to overcome the defects that the trailer hook in the prior art needs to be disassembled and assembled every time, is inconvenient to use and is easy to lose after being disassembled, and can be always arranged on an automobile, and when not in use, the trailer hook can be electrically rotated and contained, the tail of the automobile cannot be protruded, and the normal driving of the automobile is not influenced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a rotationally accomodate trailer hook, includes mount, coupling body and electricity drive mechanism, the one end of coupling body is fixed with the axis of rotation, and the other end is fixed with first connecting piece, the axis of rotation rotates with the mount to be connected, electricity drive mechanism includes motor, driving piece and the driven piece with the driving piece meshing, the driving piece rotates with the mount to be connected, driven piece is fixed with the axis of rotation is coaxial, motor drive driving piece rotates and drives the coupling body through driven piece and axis of rotation and rotates.
In the above technical scheme, the fixing frame is fixed with the tail of the automobile, and the first connecting piece on the coupler body can be connected with the connecting structure on the towed vehicle, so that the tail of the automobile is connected with the towed vehicle. When the trailer is not in operation, the whole car coupler body is hidden in the rear anti-collision beam of the car and cannot protrude out of the tail of the car, and at the moment, the trailer coupler is in a storage state. When the trailer is required to be towed, the motor is started, the car coupler body can be rotated to a use state through the driving piece and the driven piece, and the car coupler body is exposed out of the rear anti-collision beam of the automobile, so that the first connecting piece is convenient to connect with a connecting structure on the towed vehicle; after the trailer is completed, the connecting structure on the towed vehicle is detached from the first connecting piece, the motor is started to rotate reversely, and the coupler body can be driven to rotate, so that the coupler body is integrally hidden in the rear anti-collision beam of the automobile, and the trailer coupler is in a storage state. The trailer hook in the scheme does not need to be disassembled, can be always arranged on an automobile, can be convenient to use, is in a storage state when not used, cannot protrude out of the tail of the automobile, and does not influence normal driving of the automobile.
Preferably, the trailer hook comprises a storage state and a use state, and further comprises a locking mechanism, and when the trailer hook is in the use state, the locking mechanism locks the fixing frame and the hook body so as to keep the trailer hook in the use state.
In the technical scheme, the locking mechanism can keep the trailer hook in a use state. In the process of towing, if the car coupler body rotates or shakes, the towed car is easy to separate from the car coupler body, and the scheme can avoid the situation.
Preferably, the car coupler body is provided with a locking hole, the locking mechanism comprises a driver and a locking shaft, the driver is fixed with the fixing frame, the locking shaft is in sliding connection with the fixing frame, the driver is connected with one end of the locking shaft, when the car coupler is in a use state, the locking shaft is aligned with the locking hole, and the other end of the locking shaft is driven by the driver to extend into the locking hole.
In the technical scheme, after the other end of the driver driving locking shaft stretches into the locking hole, the fixing frame and the car coupler body can be locked, and mutual rotation between the fixing frame and the car coupler body is avoided. When the coupler body needs to be rotated and stored, the locking shaft can be withdrawn from the locking hole through the driver, and then the motor in the electric drive mechanism is started. The driver is arranged on the fixing frame, so that wiring is facilitated.
Preferably, the trailer is characterized by further comprising a second connecting piece arranged on the towed vehicle, a locking hole is formed in the fixing frame, the locking mechanism comprises a locking shaft, a transmission piece and a contact piece, the locking shaft and the contact piece are respectively in sliding connection with the coupler body, the contact piece is arranged at one end of the coupler body, which is close to the first connecting piece, the locking shaft is arranged at one end of the coupler body, which is close to the fixing frame, the locking shaft and the contact piece are in transmission connection through the transmission piece so as to drive the locking shaft to slide when the contact piece slides, the towing vehicle is in a use state, and when the second connecting piece is connected with the first connecting piece, the locking shaft is aligned with the locking hole, and the second connecting piece compresses the contact piece so that one end of the locking shaft is driven by the transmission piece to extend into the locking hole.
In the technical scheme, when the trailer hook is in a use state and the second connecting piece is connected with the first connecting piece, the fixing frame and the hook body are locked, and mutual rotation between the fixing frame and the hook body can be avoided. At the moment, even if the motor is started by mistake, the coupler body can not rotate, and the structure is safer and more reliable.
Preferably, the locking mechanism further comprises a return spring, wherein two ends of the return spring are respectively connected with the contact piece and the coupler body, so that when the second connecting piece is separated from the first connecting piece, the contact piece is reset, and the locking shaft is withdrawn from the locking hole through the transmission piece; or, the locking mechanism further comprises a reset spring, wherein two ends of the reset spring are respectively connected with the locking shaft and the coupler body, so that when the second connecting piece is separated from the first connecting piece, the locking shaft is withdrawn from the locking hole, and the contact piece is reset through the transmission piece; or, the locking mechanism further comprises two return springs, wherein two ends of one return spring are respectively connected with the locking shaft and the coupler body, and two ends of the other return spring are respectively connected with the contact piece and the coupler body, so that when the second connecting piece is separated from the first connecting piece, the locking shaft is led to withdraw from the locking hole, and the contact piece is reset.
In the technical scheme, when the second connecting piece breaks away from the first connecting piece, the locking shaft withdraws from the locking hole, the contact piece resets, the motor can normally rotate at the moment, the locking mechanism does not need to be unlocked manually, and as long as the second connecting piece is connected with the first connecting piece, the fixing frame can be locked with the coupler body, as long as the second connecting piece breaks away from the first connecting piece, the locking mechanism can be unlocked, the coupler body can be prevented from rotating relative to the fixing frame in the using process, and can be automatically unlocked after the second connecting piece is removed, the locking mechanism does not need to be operated manually, is realized through a pure mechanical structure, is more reliable and stable, even if an electric control system has a problem, or a switch of the motor is mistakenly touched, the coupler body cannot be rotated.
Preferably, the transmission member is a long rod, and two ends of the long rod are respectively hinged with the locking shaft and the contact member. When the contact piece is extruded and slid by the second connecting piece, the transmission piece can drive the locking shaft to slide together.
Preferably, the transmission piece is in sliding connection with the car coupler body, one end of the transmission piece is fixed or hinged with the locking shaft, a first inclined plane is arranged at the other end of the transmission piece, a second inclined plane matched with the first inclined plane is arranged at one end of the locking shaft, and the contact piece drives the transmission piece to slide through the first inclined plane and the second inclined plane. When the contact piece is extruded and slid by the second connecting piece, the transmission piece can drive the locking shaft to slide together.
Preferably, the driving element is connected to the motor via an overload protection coupling.
Preferably, a proximity switch is arranged on the fixing frame, and the proximity switch is triggered when the locking shaft stretches into the locking hole. The proximity switch can detect whether the locking shaft stretches into the locking hole or not, and the motor is prevented from being damaged due to the fact that the motor is started in a locking state.
Drawings
FIG. 1 is a schematic diagram of a towing hook in accordance with the present utility model;
FIG. 2 is a top view of a tow hook of the present utility model;
FIG. 3 is a schematic view of a portion of a towing hook in accordance with the present utility model;
FIG. 4 is a schematic diagram of a portion of a towing hook in accordance with the present utility model;
FIG. 5 is a schematic view of a portion of a towing hook in accordance with the present utility model;
fig. 6 is a schematic diagram showing a partial structure of a trailer hook according to the present utility model.
In the figure: the coupler comprises a fixing frame 1, a coupler body 2, an electric driving mechanism 3, a motor 3.1, a driving part 3.2, a driven part 3.3, a rotating shaft 4, a first connecting part 5, a locking mechanism 6, a driver 6.1, a locking shaft 6.2, a transmission part 6.3, a contact part 6.4, a reset spring 6.5, a first inclined plane 6.6, a second inclined plane 6.7, a locking hole 7 and a bearing 8.
Detailed Description
The utility model is further described below with reference to the drawings and specific embodiments.
Example 1:
as shown in fig. 1, a rotationally-stored trailer hook comprises a fixing frame 1, a coupler body 2 and an electric drive mechanism 3, wherein a rotating shaft 4 is fixed at one end of the coupler body 2, a first connecting piece 5 is fixed at the other end of the coupler body, the rotating shaft 4 is rotationally connected with the fixing frame 1 through a bearing 8, the electric drive mechanism 3 comprises a motor 3.1, a driving piece 3.2 and a driven piece 3.3 meshed with the driving piece 3.2, the driving piece 3.2 is rotationally connected with the fixing frame 1, the driven piece 3.3 is coaxially fixed with the rotating shaft 4, and the motor 3.1 drives the driving piece 3.2 to rotate and drives the coupler body 2 to rotate through the driven piece 3.3 and the rotating shaft 4.
In the above technical scheme, the fixing frame 1 is fixed with the tail of the automobile, and the first connecting piece 5 on the coupler body 2 can be connected with the connecting structure on the towed vehicle, so that the tail of the automobile is connected with the towed vehicle. When the trailer is not in operation, the car coupler body 2 is integrally hidden in the rear anti-collision beam of the car and cannot protrude out of the tail of the car, and at the moment, the trailer coupler is in a storage state. When the trailer is required to be towed, the motor 3.1 is started, the coupler body 2 can be rotated to a use state through the driving piece 3.2 and the driven piece 3.3, and the coupler body 2 is exposed out of the rear anti-collision beam of the automobile, so that the first connecting piece 5 is convenient to connect with a connecting structure on the towed vehicle; after the trailer is completed, the connecting structure on the towed vehicle is detached from the first connecting piece 5, the motor 3.1 is started to enable the motor 3.1 to rotate reversely, the coupler body 2 can be driven to rotate, the coupler body 2 is integrally hidden in the rear anti-collision beam of the automobile, and the towed vehicle is in a storage state. The trailer hook in the scheme does not need to be disassembled, can be always arranged on an automobile, can be convenient to use, is in a storage state when not used, cannot protrude out of the tail of the automobile, and does not influence normal driving of the automobile.
Preferably, the trailer hook comprises a storage state and a use state, and further comprises a locking mechanism 6, and when the trailer hook is in the use state, the locking mechanism 6 locks the fixing frame 1 and the hook body 2 so as to keep the trailer hook in the use state. In the above technical solution, the locking mechanism 6 can keep the trailer hook in a use state. In the process of towing, if the car coupler body 2 rotates or shakes, the towed car is easy to be separated from the car coupler body 2, and the scheme can avoid the situation.
Preferably, the driving part is connected with the motor through an overload protection coupling.
Example 2:
as shown in fig. 1, on the basis of embodiment 1, a locking hole 7 is formed in the coupler body 2, the locking mechanism 6 includes a driver 6.1 and a locking shaft 6.2, the driver 6.1 is fixed with the fixing frame 1, the locking shaft 6.2 is slidably connected with the fixing frame 1, the driver 6.1 is connected with one end of the locking shaft 6.2, when the coupler is in a use state, the locking shaft 6.2 is aligned with the locking hole 7, and the other end of the locking shaft 6.2 is driven by the driver 6.1 to extend into the locking hole 7.
In the above technical solution, the driver 6.1 may be a linear driver such as an electromagnetic switch, a linear electric cylinder, or the like, and may drive the locking shaft 6.2 to move linearly. After the other end of the driver 6.1 driving the locking shaft 6.2 stretches into the locking hole 7, the fixing frame 1 and the coupler body 2 can be locked, and mutual rotation between the fixing frame and the coupler body is avoided. When the coupler body 2 needs to be rotated and stored, the locking shaft 6.2 can be withdrawn from the locking hole 7 through the driver 6.1, and then the motor 3.1 in the electric drive mechanism 3 can be started. The driver 6.1 is arranged on the fixing frame 1, so that wiring is facilitated.
It will be appreciated that in one embodiment, the locking aperture is provided with a tapered aperture arrangement that facilitates insertion of the locking shaft into the locking aperture.
It will be appreciated that in another embodiment, the locking shaft is provided with a tapered structure which facilitates insertion of the locking shaft into the locking aperture.
It will be appreciated that in another embodiment, the fixing frame may be provided with a locking hole, and the locking mechanism is disposed on the coupler body.
Example 3:
as shown in fig. 2 to 6, on the basis of embodiment 1, the device further comprises a second connecting piece arranged on the towed vehicle, the fixed frame 1 is provided with a locking hole 7, the locking mechanism 6 comprises a locking shaft 6.2, a transmission piece 6.3 and a contact piece 6.4, the locking shaft 6.2 and the contact piece 6.4 are respectively in sliding connection with the coupler body 2, the contact piece 6.4 is arranged at one end of the coupler body 2 close to the first connecting piece 5, the locking shaft 6.2 is arranged at one end of the coupler body 2 close to the fixed frame 1, the locking shaft 6.2 and the contact piece 6.4 are in transmission connection through the transmission piece 6.3 so as to drive the locking shaft 6.2 to slide when the contact piece 6.4 slides, when the towed vehicle is in a use state and the second connecting piece is connected with the first connecting piece 5, the locking shaft 6.2 is aligned with the locking hole 7, and the second connecting piece compresses the contact piece 6.4 so as to drive one end of the locking shaft 6.2 to extend into the locking hole 7 through the transmission piece 6.3.
In the above technical scheme, when the trailer hook is in a use state and the second connecting piece is connected with the first connecting piece 5, the fixing frame 1 and the coupler body 2 are locked, so that mutual rotation between the two can be avoided. At the moment, even if the motor 3.1 is started by mistake, the coupler body 2 can not rotate, and the structure is safer and more reliable.
Preferably, a proximity switch is arranged on the fixing frame 1, and the proximity switch is triggered when the locking shaft 6.2 stretches into the locking hole 7. The proximity switch can detect whether the locking shaft 6.2 extends into the locking hole 7, avoiding that the motor 3.1 is damaged by starting the motor 3.1 in the locked state.
It will be appreciated that in one embodiment, as shown in fig. 3 and 4, the locking mechanism 6 further comprises a return spring 6.5, wherein the return spring 6.5 has two ends respectively connected to the contact member 6.4 and the coupler body 2, so as to return the contact member 6.4 when the second connecting member is disengaged from the first connecting member 5, and to withdraw the locking shaft 6.2 from the locking hole 7 via the transmission member 6.3. In the above technical scheme, when the second connecting piece breaks away from the first connecting piece 5, the locking shaft 6.2 withdraws from the locking hole 7, the contact piece 6.4 resets, at this moment, the motor 3.1 can normally rotate, the locking mechanism 6 does not need to be unlocked manually, and as long as the second connecting piece is connected with the first connecting piece 5, the fixing frame 1 will be locked with the coupler body 2, as long as the second connecting piece breaks away from the first connecting piece 5, the locking mechanism 6 will be unlocked, the coupler body 2 can be prevented from rotating relative to the fixing frame 1 in the using process, and can be automatically unlocked after the second connecting piece is removed, the manual operation is not needed, the locking mechanism 6 is realized through a pure mechanical structure, and the coupler body 2 is more reliable and stable, even if an electric control system goes wrong, or a switch of the motor 3.1 is mistakenly touched, the coupler body 2 cannot be rotated.
It will be appreciated that in another embodiment, the locking mechanism further comprises a return spring, the two ends of the return spring being respectively connected to the locking shaft and the coupler body, so that when the second connecting piece is separated from the first connecting piece, the locking shaft is withdrawn from the locking hole, and the contact piece is returned by the transmission piece.
It will be appreciated that in another embodiment, the locking mechanism further comprises two return springs, wherein two ends of one return spring are respectively connected to the locking shaft and the coupler body, and two ends of the other return spring are respectively connected to the contact member and the coupler body, so that when the second connecting member is separated from the first connecting member, the locking shaft is withdrawn from the locking hole, and the contact member is reset.
Example 4:
as shown in fig. 3 and 4, on the basis of embodiment 3, the transmission member 6.3 is a long rod, and both ends of the long rod are hinged with the locking shaft 6.2 and the contact member 6.4, respectively. When the contact piece 6.4 is pressed and slid by the second connecting piece, the transmission piece 6.3 can drive the locking shaft 6.2 to slide together.
Example 5:
as shown in fig. 5 and 6, on the basis of embodiment 3, the transmission member 6.3 is slidably connected with the coupler body 2, one end of the transmission member 6.3 is fixed with the locking shaft 6.2, the other end of the transmission member 6.3 is provided with a first inclined plane 6.6, one end of the locking shaft 6.2 is provided with a second inclined plane 6.7 adapted to the first inclined plane 6.6, and the contact member 6.4 drives the transmission member 6.3 to slide through the first inclined plane 6.6 and the second inclined plane 6.7. When the contact piece 6.4 is pressed and slid by the second connecting piece, the transmission piece 6.3 can drive the locking shaft 6.2 to slide together.
It will be appreciated that in another embodiment, one end of the transmission member may be hinged to the locking shaft.
Claims (9)
1. The utility model provides a rotatable tow hook of accomodating, its characterized in that, includes mount, coupler body and electricity drive mechanism, the one end of coupler body is fixed with the axis of rotation, and the other end is fixed with first connecting piece, the axis of rotation rotates with the mount to be connected, electricity drive mechanism includes motor, driving piece and the follower with driving piece meshing, the driving piece rotates with the mount to be connected, the follower is fixed with the axis of rotation is coaxial, motor drive driving piece rotates and drives the coupler body through follower and axis of rotation and rotation.
2. The rotatably stowable draft gear according to claim 1, wherein said draft gear includes a stowed condition and a use condition, said draft gear further including a locking mechanism, said locking mechanism locking the mount to the draft gear body when said draft gear is in use to retain the draft gear in use.
3. The rotatable and stowable trailer hook of claim 2, wherein the coupler body is provided with a locking hole, the locking mechanism comprises a driver and a locking shaft, the driver is fixed to the fixed frame, the locking shaft is slidably connected to the fixed frame, the driver is connected to one end of the locking shaft, when the trailer hook is in use, the locking shaft is aligned with the locking hole, and the driver drives the other end of the locking shaft to extend into the locking hole.
4. The rotatably received trailer hook according to claim 2, further comprising a second connecting member disposed on the towed vehicle, wherein the fixing frame is provided with a locking hole, the locking mechanism comprises a locking shaft, a transmission member and a contact member, the locking shaft and the contact member are respectively slidably connected with the coupler body, the contact member is disposed at one end of the coupler body close to the first connecting member, the locking shaft is disposed at one end of the coupler body close to the fixing frame, the locking shaft and the contact member are in transmission connection through the transmission member so as to drive the locking shaft to slide when the contact member slides, the locking shaft is aligned with the locking hole when the trailer hook is in a use state and the second connecting member is connected with the first connecting member, and the second connecting member compresses the contact member so that one end of the locking shaft is driven by the transmission member to extend into the locking hole.
5. The rotatable draft gear according to claim 4, wherein said mounting bracket is provided with a proximity switch, said proximity switch being activated when said locking shaft extends into said locking aperture.
6. The rotatably received trailer hook of claim 4 wherein the locking mechanism further comprises a return spring having ends respectively connected to the contact member and the coupler body to return the contact member and withdraw the locking shaft from the locking aperture through the transmission member when the second connector is disengaged from the first connector; or, the locking mechanism further comprises a reset spring, wherein two ends of the reset spring are respectively connected with the locking shaft and the coupler body, so that when the second connecting piece is separated from the first connecting piece, the locking shaft is withdrawn from the locking hole, and the contact piece is reset through the transmission piece; or, the locking mechanism further comprises two return springs, wherein two ends of one return spring are respectively connected with the locking shaft and the coupler body, and two ends of the other return spring are respectively connected with the contact piece and the coupler body, so that when the second connecting piece is separated from the first connecting piece, the locking shaft is led to withdraw from the locking hole, and the contact piece is reset.
7. The rotatable and stowable trailer hook of claim 4, wherein said transmission member is a long rod having opposite ends hinged to the locking shaft and the contact member, respectively.
8. The rotatable and stowable trailer hook of claim 4, wherein said driving member is slidably connected to said coupler body, one end of said driving member is fixed to or hinged to said locking shaft, a first inclined surface is provided at the other end of said driving member, a second inclined surface adapted to said first inclined surface is provided at one end of said locking shaft, and said contact member drives said driving member to slide through said first and second inclined surfaces.
9. A rotatably received tug hook according to claim 1, wherein the driving member is coupled to the motor via an overload protection coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320422103.1U CN219749428U (en) | 2023-03-03 | 2023-03-03 | Rotatable trailer hook of accomodating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320422103.1U CN219749428U (en) | 2023-03-03 | 2023-03-03 | Rotatable trailer hook of accomodating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219749428U true CN219749428U (en) | 2023-09-26 |
Family
ID=88086251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320422103.1U Active CN219749428U (en) | 2023-03-03 | 2023-03-03 | Rotatable trailer hook of accomodating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219749428U (en) |
-
2023
- 2023-03-03 CN CN202320422103.1U patent/CN219749428U/en active Active
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