CN219601216U - Pull type motor home guide wheel device - Google Patents
Pull type motor home guide wheel device Download PDFInfo
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- CN219601216U CN219601216U CN202223610570.1U CN202223610570U CN219601216U CN 219601216 U CN219601216 U CN 219601216U CN 202223610570 U CN202223610570 U CN 202223610570U CN 219601216 U CN219601216 U CN 219601216U
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- frame
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- motor home
- type motor
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Abstract
The utility model discloses a trailer type motor home guide wheel device, which relates to the technical field of trailer type motor home and comprises a jack, wherein a limit frame is rotatably arranged at the output end of the jack, a crank is rotatably arranged on the side wall of the jack, a mounting frame is fixedly connected with the side wall of the jack, a rotating shaft is rotatably arranged in the limit frame, a guide wheel is fixedly arranged on the side wall of the rotating shaft, a locking device is arranged on the surface of the limit frame, the locking device comprises a fixed frame fixedly arranged on the side wall of the limit frame, a clamping frame is slidably arranged on the side wall of the fixed frame, a guide groove is formed in the surface of the clamping frame, and a first spring is fixedly arranged between the guide groove and the fixed frame.
Description
Technical Field
The utility model relates to the technical field of trailer caravan, in particular to a trailer caravan guide wheel device.
Background
The trailer type motor home is a tool capable of docking between driving vehicles, is a lower part of the motor home, is different from a self-propelled motor home, has no power, needs additional vehicles to carry out trailer traveling, and is provided with a guide wheel device which is arranged on the trailer type motor home and is used for conveniently carrying out traction on the vehicles.
One Chinese patent with publication number of CN215475043U discloses a pull-type jack guide wheel device for a motor home, which has the technical scheme that: the technical problems that a guide wheel device in the prior art is not firm enough in structure and low in service life and cannot meet the requirements of large-tonnage trailer caravan are solved. The utility model provides a pull-type jack guide wheel device for a motor home, which is sequentially connected with a jack lifting leg device and a guide wheel from top to bottom, wherein the jack lifting leg device comprises an outer square pipe and an inner circular pipe which are mutually matched in size, and the bottom of the inner circular pipe supports the guide wheel to rotate through a guide wheel fixing seat; the left side of the upper part of the outer square tube is also connected with a connecting frame matched with the outer square tube, square holes matched with the outer diameter of the outer square tube are respectively arranged on the upper side plate and the lower side plate, and the connecting frame can move up and down along the outer square tube after the outer square tube passes through the square holes on the upper side plate and the lower side plate and is locked and fixed; the left side plate is fixedly connected to the corresponding position of the caravan through a jack locking plate. Can be widely applied to the technical field of motor home machine manufacturing.
With respect to the above and related art, the inventors believe that there are often the following drawbacks: in the process of using the guide wheel device to drag the vehicle, when the jack-up trailer caravan and the driving vehicle are required to be in butt joint, the condition that the guide wheel is easy to shake after being lifted up affects the stable hitching work between the caravan and the driving vehicle.
Therefore, we propose a trailing type motor home guide wheel device.
Disclosure of Invention
The utility model aims to provide a trailing type motor home guide wheel device which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a trailer formula car as a house guide pulley device, includes the jack, the output of jack rotates installs spacing frame, the lateral wall of jack rotates installs the crank, the lateral wall fixedly connected with installing frame of jack, the pivot is installed in the inside rotation of spacing frame, the lateral wall fixed mounting of pivot has the leading wheel, the surface of spacing frame is equipped with locking device, locking device includes fixed mounting at the fixed frame of spacing frame lateral wall, the lateral wall slidable mounting of fixed frame has the card frame, the guide way has been seted up on the surface of card frame, fixed mounting has first spring between guide way and the fixed frame, a plurality of draw-in groove has evenly been seted up to the lateral wall of pivot.
The components achieve the following effects: the clamping frame can be clamped on the inner wall of the corresponding clamping groove on the rotating shaft under the action of the elastic force of the first spring, so that the constraint work of the rotating shaft can be realized, and the fixed-point work of the guide wheel device is facilitated.
Preferably, a clamping block is slidably mounted on the inner wall of the fixing frame, an inclined surface is arranged on the side wall of the clamping block, and a second spring is fixedly mounted between the fixing frame and the clamping block.
The components achieve the following effects: the clamping frame on the surface of the fixed frame is pulled, the clamping frame and the inclined plane of the clamping block move relatively, after the guide groove on the clamping frame moves to the position corresponding to the clamping block, the clamping block is clamped on the inner wall of the guide groove under the action of the elastic force of the second spring, and temporary supporting work on the position of the clamping frame after lifting can be achieved at the moment.
Preferably, the side wall of the clamping block is fixedly provided with a pull rod, the pull rod is of a U-shaped structure, and the side wall of the clamping frame is fixedly provided with an arc-shaped block.
The components achieve the following effects: the arc-shaped blocks are arranged to facilitate the pulling work of the clamping frame, and the pull rod is pulled and drives the clamping block to slide on the inner wall of the fixed frame.
Preferably, the surface of spacing frame is equipped with friction device, friction device includes fixed strip of fixed mounting at spacing frame lateral wall, the inside slidable mounting of fixed strip has spacing stick, the lower extreme fixed mounting of spacing stick has the drive plate, the inside slidable mounting of drive plate has two circular poles, the lower extreme fixed mounting of circular pole has the arc, the lower surface of arc is provided with a plurality of anti-skidding line.
The components achieve the following effects: the friction force between the arc-shaped plate and the side wall of the guide wheel is increased due to the arrangement of the anti-skid patterns, so that the condition that the hanging type motor home is not easy to control in the downhill process is reduced.
Preferably, the internal thread of the fixing strip is penetrated with a driving rod, and the driving rod is rotationally connected with the inside of the driving plate.
The components achieve the following effects: and the driving rod is rotated, and the driving rod can push the driving plate to move.
Preferably, the surface of the circular rod is sleeved with a third spring, and two ends of the third spring are fixedly connected with the driving plate and the arc-shaped plate respectively.
The components achieve the following effects: the arc plate can be tightly attached to the surface of the guide wheel under the action of the elastic force of the third spring, so that the stability of the arc plate attached to the side wall of the guide wheel is improved.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the locking device is arranged, the clamping frame is clamped on the inner wall of the clamping groove to restrict the rotation of the guide wheel, so that the rotation work of the guide wheel is limited, the stability of fixed points after the guide wheel moves is improved, and the butt joint work between the hanging type motor home and the driving car is facilitated.
2. According to the utility model, by arranging the friction device, the friction force between the arc-shaped plate and the guide wheel is increased by virtue of the relative movement between the anti-skid lines on the arc-shaped plate and the guide wheel, and the stability of the suspended motor home in downhill is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged view of the portion A of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic view of a friction device according to the present utility model;
fig. 4 is an enlarged view of fig. 3B in the present utility model.
In the figure: 1-jack; 2-a limit frame; 3-guiding wheels; 4-crank; 5-a mounting frame; 6-rotating shaft; 7-a locking device; 71-a fixed frame; 72-clamping grooves; 73-clamping a frame; 74-arc blocks; 75-a first spring; 76-a pull rod; 77-clamping blocks; 78-a second spring; 79-guiding groove; 8-friction means; 81-fixing strips; 82-limiting bars; 83-driving rod; 84-driving plate; 85-arc plates; 86-anti-skid lines; 87-a circular rod; 88-third spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a trailer formula car as a house guide pulley device, includes jack 1, and limit frame 2 is installed in the output rotation of jack 1, and crank 4 is installed in the lateral wall rotation of jack 1, and the lateral wall fixedly connected with installing frame 5 of jack 1, the pivot 6 is installed in the inside rotation of limit frame 2, and the lateral wall fixed mounting of pivot 6 has leading wheel 3, and the surface of limit frame 2 is equipped with locking device 7, and the surface of limit frame 2 is equipped with friction device 8.
The specific arrangement and function of the locking means 7 and the friction means 8 will be described in detail below.
Referring to fig. 1 and 2, in the present embodiment: the locking device 7 comprises a fixed frame 71 fixedly arranged on the side wall of the limiting frame 2, a clamping frame 73 is slidably arranged on the side wall of the fixed frame 71, a guide groove 79 is formed in the surface of the clamping frame 73, a first spring 75 is fixedly arranged between the guide groove 79 and the fixed frame 71, and a plurality of clamping grooves 72 are uniformly formed in the side wall of the rotating shaft 6. The clamping frame 73 is clamped on the inner wall of the corresponding clamping groove 72 on the rotating shaft 6 under the action of the elastic force of the first spring 75, so that the rotating shaft 6 can be restrained in rotation, and the fixed-point work of the guide wheel device is facilitated.
The inner wall slidable mounting of fixed frame 71 has fixture block 77, and the lateral wall of fixture block 77 is provided with the inclined plane, and fixed mounting has second spring 78 between fixed frame 71 and the fixture block 77. When the clamping frame 73 on the surface of the fixed frame 71 is pulled, the clamping frame 73 and the inclined surface of the clamping block 77 move relatively, after the guide groove 79 on the clamping frame 73 moves to the position corresponding to the clamping block 77, the clamping block 77 is clamped on the inner wall of the guide groove 79 under the elastic action of the second spring 78, and at the moment, temporary supporting work on the position of the clamping frame 73 after being lifted can be realized. The side wall of the clamping block 77 is fixedly provided with a pull rod 76, the pull rod 76 is of a U-shaped structure, and the side wall of the clamping frame 73 is fixedly provided with an arc-shaped block 74. The arc-shaped block 74 facilitates the pulling operation of the clamping frame 73, and the pull rod 76 is pulled, so that the pull rod 76 drives the clamping block 77 to slide on the inner wall of the fixed frame 71.
Referring to fig. 1, 3 and 4, specifically, the friction device 8 includes a fixing strip 81 fixedly installed on a side wall of the limit frame 2, a limit rod 82 is slidably installed in the fixing strip 81, a driving plate 84 is fixedly installed at a lower end of the limit rod 82, two circular rods 87 are slidably installed in the driving plate 84, an arc-shaped plate 85 is fixedly installed at a lower end of the circular rods 87, and a plurality of anti-skid patterns 86 are provided on a lower surface of the arc-shaped plate 85. The friction between the arc-shaped plate 85 and the side wall of the guide wheel 3 is increased due to the arrangement of the anti-skid patterns 86, so that the condition that the hanging type caravan is not easy to control in the downhill process is reduced.
The driving rod 83 is threaded through the internal threads of the fixing bar 81, and the driving rod 83 is rotatably connected with the inside of the driving plate 84. Rotating the drive rod 83, the drive rod 83 pushes the drive plate 84 to move. The surface of the circular rod 87 is sleeved with a third spring 88, and two ends of the third spring 88 are fixedly connected with the driving plate 84 and the arc-shaped plate 85 respectively. The arc-shaped plate 85 can be tightly attached to the surface of the guide wheel 3 under the elastic action of the third spring 88, so that the stability of the arc-shaped plate 85 attached to the side wall of the guide wheel 3 is improved.
Working principle: after the installation frame 5 on the jack 1 and the hanging type motor home are installed, the guide wheel 3 is used, the traction work on the hanging type motor home is achieved, the clamping frame 73 on the surface of the fixing frame 71 is pulled, the arc-shaped block 74 is arranged to facilitate the pulling work on the clamping frame 73, the clamping frame 73 and the inclined plane of the clamping block 77 move relatively, after the guide groove 79 on the clamping frame 73 moves to the position corresponding to the clamping block 77, the clamping block 77 is clamped on the inner wall of the guide groove 79 under the action of the elastic force of the second spring 78, at this time, the temporary supporting work on the position of the clamping frame 73 after the hanging type motor home is lifted can be achieved, when the temporary fixing work on the hanging type motor home is needed, the pull rod 76 can be pulled, the clamping block 77 can be driven to slide on the inner wall of the fixing frame 71, after the clamping block 77 is pulled out from the inner wall of the guide groove 79, the clamping frame 73 can be clamped on the inner wall of the rotating shaft 6 under the elastic force of the action of the first spring 75, at this time, the constraint work on the rotating shaft 6 can be achieved, the fixed-point work on the guide wheel device is facilitated, after the clamping frame 73 is moved to the guide wheel 3, and the rotation stability of the hanging type motor home is improved.
When the traction hanging type motor home runs downhill, the driving rod 83 can be rotated, the driving rod 83 can push the driving plate 84 to move, the arc plate 85 can be tightly attached to the surface of the guide wheel 3 under the action of the elastic force of the third spring 88, the stability of the arc plate 85 attached to the side wall of the guide wheel 3 is improved, the friction force between the arc plate 85 and the side wall of the guide wheel 3 is increased due to the arrangement of the anti-slip patterns 86, the situation that the hanging type motor home is not easy to control in the downhill process is reduced, the driving rod 83 is rotated, the arc plate 85 is indirectly lifted from the surface of the guide wheel 3, normal use operation of the guide device can be achieved, the relative movement between the anti-slip patterns 86 on the arc plate 85 and the guide wheel 3 is achieved through the arrangement of the friction device 8, the friction force between the arc plate 85 and the guide wheel 3 is increased, and the stability of the hanging type motor home during downhill is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a trailer formula car as a house guide pulley device, includes jack (1), its characterized in that: the utility model provides a lifting jack, including fixed frame (71), fixed frame (71) lateral wall slidable mounting has card frame (73), guide way (79) have been seted up on the surface of card frame (73), fixed mounting has first spring (75) between guide way (79) and the fixed frame (71), a plurality of draw-in groove (72) have evenly been seted up to the lateral wall of pivot (6) inside rotation of spacing frame (2) is installed pivot (6), the lateral wall fixed mounting of pivot (6) has leading wheel (3), the surface of spacing frame (2) is equipped with locking device (7), locking device (7) including fixed frame (71) of fixed frame (2) lateral wall, guide way (79) have been seted up on the surface of card frame (73).
2. The trailing type motor home guide wheel device according to claim 1, wherein: the inner wall slidable mounting of fixed frame (71) has fixture block (77), the lateral wall of fixture block (77) is provided with the inclined plane, fixed mounting has second spring (78) between fixed frame (71) and fixture block (77).
3. The trailing type motor home guide wheel device according to claim 2, wherein: the side wall of the clamping block (77) is fixedly provided with a pull rod (76), the pull rod (76) is of a U-shaped structure, and the side wall of the clamping frame (73) is fixedly provided with an arc-shaped block (74).
4. The trailing type motor home guide wheel device according to claim 1, wherein: the surface of spacing frame (2) is equipped with friction device (8), friction device (8) are including fixed mounting fixed strip (81) at spacing frame (2) lateral wall, the inside slidable mounting of fixed strip (81) has spacing stick (82), the lower extreme fixed mounting of spacing stick (82) has drive plate (84), the inside slidable mounting of drive plate (84) has two circular poles (87), the lower extreme fixed mounting of circular pole (87) has arc (85), the lower surface of arc (85) is provided with a plurality of anti-skidding line (86).
5. The trailing type motor home guide wheel device according to claim 4, wherein: the driving rod (83) is arranged in the fixing strip (81) in a penetrating mode, and the driving rod (83) is connected with the driving plate (84) in a rotating mode.
6. The trailing type motor home guide wheel device according to claim 4, wherein: the surface of the circular rod (87) is sleeved with a third spring (88), and two ends of the third spring (88) are fixedly connected with the driving plate (84) and the arc-shaped plate (85) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223610570.1U CN219601216U (en) | 2022-12-30 | 2022-12-30 | Pull type motor home guide wheel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223610570.1U CN219601216U (en) | 2022-12-30 | 2022-12-30 | Pull type motor home guide wheel device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219601216U true CN219601216U (en) | 2023-08-29 |
Family
ID=87738673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223610570.1U Active CN219601216U (en) | 2022-12-30 | 2022-12-30 | Pull type motor home guide wheel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219601216U (en) |
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2022
- 2022-12-30 CN CN202223610570.1U patent/CN219601216U/en active Active
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