CN220615397U - Trailer structure at tail of caravan - Google Patents

Abstract

The utility model discloses a trailer structure of a motor home tail, which comprises an integrated frame and a servo motor, wherein the top end of the integrated frame is provided with the servo motor, the outside of the integrated frame is provided with a sliding sleeve, the outside of the sliding sleeve, which is far away from the integrated frame, is provided with a lower fixing frame, the inside of the integrated frame is movably provided with a driving shaft, the output end of the servo motor is connected with the driving shaft, the surface of the driving shaft is sleeved with a driving gear, the inside of the integrated frame at one side of the driving shaft is movably provided with a driven shaft, the surface of the driven shaft is sleeved with a driven gear, and the driving gear and the driven gear are meshed with each other. The utility model not only realizes convenient and quick clamping and fixing of the trailer hook or the trailer ring, improves the convenience of operation, but also can quickly control the separation when the tractor and the caravan are in danger and need to be separated immediately, improves the convenience of separation of the tractor and the caravan, and facilitates the adjustment type installation connection between the tractor and the caravan.

Description

Trailer structure at tail of caravan

Technical Field

The utility model relates to the technical field of trailer structures, in particular to a trailer structure at the tail of a motor home.

Background

The motor home is a movable type motor home with necessary basic facilities, the motor home is divided into various categories, driving living is integrated, functions are separated, the motor home with separated functions is called as a pulling motor home, and the motor home mainly comprises a tractor and the pulling motor home, so that the pulling structure at the tail part of the motor home is provided for better pulling the pulling motor home.

The utility model discloses a trailer-type motor home trailer structure as disclosed in the authority bulletin number CN212828076U, which comprises a mounting support, be provided with a plurality of mounting holes on the mounting support, be provided with the connection lug on the mounting support, swing joint has first connecting axle on the connection lug, the one end swing joint of first connecting axle has first pivot, swing joint has first traction piece on the first connecting axle, the one end of first traction piece is provided with U type recess, swing joint has the second connecting axle on the U type recess, both ends of second connecting axle all are provided with the second pin, swing joint has the second traction piece on the second connecting axle, be provided with the couple on the second traction piece, be provided with the preforming on the couple, swing joint has the third traction piece on the second connecting axle, the both ends of third traction piece are provided with the lantern ring, the lantern ring with the second connection axle swing joint;

the tractor is characterized in that the tractor is provided with a plurality of traction wheels, the traction wheels are fixedly connected with the traction wheels, and the traction wheels are fixedly connected with the traction wheels.

Disclosure of Invention

The utility model aims to provide a trailer structure at the tail of a motor home, which solves the problems that the trailer structure is inconvenient to clamp and fix a trailer hook or a trailer ring conveniently and rapidly in the background art, the convenience of operation control is affected, the quick control separation is not facilitated when the tractor and the motor home are in danger and need to be separated immediately, the convenience of separation of the tractor and the motor home is affected, and the adjustment type installation connection between the tractor and the motor home is not facilitated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a trailer structure at car as a house afterbody, includes integrated frame and servo motor, servo motor is installed on the top of integrated frame, integrated frame's outside is provided with the sliding sleeve, the outside that integrated frame was kept away from to the sliding sleeve is provided with down the mount, integrated frame's inside movable mounting has the drive shaft, and servo motor's output is connected with the drive shaft, the surface cover of drive shaft has driving gear, integrated frame inside movable mounting of drive shaft one side has the driven shaft, driven gear is equipped with to the surface cover of driven shaft, and driving gear and driven gear intermeshing, integrated frame inside movable mounting of one side of driving gear has two sets of axis of rotation, the surface of axis of rotation all is equipped with the pinion, and a set of pinion and driving gear intermeshing to another set of pinion and driven gear intermeshing, the clamping jaw is all installed to the axis of rotation surface on pinion one side, the auxiliary arm is all installed to the one end that keeps away from the axis of rotation, the auxiliary arm is close to the clamping jaw all installs the connecting axle, and auxiliary arm passes through connecting axle and swing joint, the one end that the auxiliary arm is close to integrated frame has the swing arm and clamping jaw swing joint through the auxiliary jaw.

Preferably, a connecting rod is installed on the side wall of the integrated frame, a hinge shaft is installed at one end, far away from the integrated frame, of the connecting rod, and the connecting rod is movably connected with the sliding sleeve through the hinge shaft.

Preferably, a sliding rod is slidably arranged in the sliding sleeve and connected with the lower fixing frame, a locking pin is arranged on the outer wall of the sliding sleeve on one side of the sliding rod, and the locking pin extends to the surface of the sliding rod.

Preferably, the inside slidable mounting of lower mount has down the clamp splice, install the threaded rod on the outer wall of lower mount, and the threaded rod extends to inside the lower mount to the threaded rod is connected with lower clamp splice, threaded rod and lower mount threaded connection.

Preferably, the outside of lower mount is provided with the mount, the round pin axle is installed to one side that the lower mount is close to the slide bar, and goes up mount and pass through round pin axle and lower mount swing joint, the locking bolt is installed to one side that the slide bar was kept away from to the lower mount, and the locking bolt extends to the outside of upper mount, install the clamp splice on the inner wall of upper mount.

Preferably, a controller is installed on the outer wall of the servo motor, and the output end of the controller is electrically connected with the input end of the servo motor.

Compared with the prior art, the utility model has the beneficial effects that: the pulling structure not only realizes convenient and quick clamping and fixing of the trailer hook or the trailer ring, improves the convenience of operation, but also can quickly control the separation when the tractor and the caravan are in danger and need to be separated immediately, improves the convenience of separation of the tractor and the caravan, and facilitates the adjustment type installation connection between the tractor and the caravan;

(1) The upper fixing frame and the lower fixing frame are hung on a caravan trailer hook, the threaded rod is screwed down, the threaded rod drives the lower clamping block to move under the sliding fit of the pin shaft and the lower fixing frame, so that the lower clamping block is close to the upper clamping block, the relative distance between the lower clamping block and the upper clamping block is shortened, the lower clamping block and the upper clamping block clamp and fix the caravan trailer hook, if a caravan uses a trailer ring, a locking bolt is screwed out, the upper fixing frame is rotated by taking the pin shaft as an axial outer rotation, the upper fixing frame is inserted into the caravan trailer ring, the upper fixing frame is closed, the locking bolt is screwed down, and then the operation is repeated, so that the convenient and quick clamping and fixing of the caravan trailer hook or the trailer ring of a trailer structure is realized, and the convenience of the operation of the trailer structure is improved;

(2) The driving shaft is driven by the servo motor to rotate, the driving gear drives the group of pinion to rotate, the driven gear drives the other group of pinion to rotate, so that the two groups of clamping jaws move oppositely, the two groups of clamping jaws are clamped and fixed in the tractor ring, when the tractor and the caravan are required to be separated, the controller can be directly controlled by the instruction sent by the personnel in the tractor to open the two groups of clamping jaws, so that the two groups of clamping jaws can be separated conveniently and rapidly, the locking pin is unscrewed, the sliding rod is pulled out, the sliding rod drives the lower fixing frame and the upper fixing frame to move, the distance between the tractor and the trailer is adjusted by adjusting the distance between the sliding rod and the sliding sleeve, the convenient and efficient connection and fixation of the pulling structure and the tractor ring are realized, the quick control separation can be carried out when the tractor and the caravan are required to be separated immediately, the convenience of separating the tractor and the caravan is improved, and the adjustable installation connection between the tractor and the caravan is facilitated.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic top cross-sectional view of an integrated frame of the present utility model;

fig. 4 is a schematic three-dimensional perspective view of the clamping jaw of the present utility model.

In the figure: 1. an integration framework; 2. a movable shaft; 3. an auxiliary arm; 4. a connecting shaft; 5. a clamping jaw; 6. a servo motor; 7. a connecting rod; 8. a hinge shaft; 9. a sliding sleeve; 10. a locking pin; 11. a slide bar; 12. an upper clamping block; 13. an upper fixing frame; 14. a lower fixing frame; 15. a lower clamping block; 16. a threaded rod; 17. a drive shaft; 18. a drive gear; 19. a driven gear; 20. a driven shaft; 21. a pinion gear; 22. a rotating shaft; 23. a locking bolt; 24. a controller; 25. and a pin shaft.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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, an embodiment of the present utility model is provided: the utility model provides a trailer structure at car as a house afterbody, including integrated frame 1 and servo motor 6, servo motor 6 is installed on the top of integrated frame 1, servo motor 6 plays power drive's effect, integrated frame 1's outside is provided with sliding sleeve 9, sliding sleeve 9 keeps away from integrated frame 1's outside is provided with down mount 14, integrated frame 1's inside movable mounting has drive shaft 17, and servo motor 6's output is connected with drive shaft 17, the surface cover of drive shaft 17 is equipped with drive gear 18, integrated frame 1 inside movable mounting of drive shaft 17 one side has driven shaft 20, driven shaft 20's surface cover is equipped with driven gear 19, and drive gear 18 and driven gear 19 intermesh, integrated frame 1 inside movable mounting of one side of drive gear 18 has two sets of axis of rotation 22, the surface of axis of rotation 22 all is equipped with pinion 21, and a set of pinion 21 and drive gear 18 intermesh, and another set of pinion 21 and driven gear 19 intermesh;

the surface of a rotating shaft 22 at one side of the pinion 21 is provided with a clamping jaw 5, one end of the clamping jaw 5 far away from the rotating shaft 22 is provided with an auxiliary arm 3, one end of the auxiliary arm 3 close to the clamping jaw 5 is provided with a connecting shaft 4, the auxiliary arm 3 is movably connected with the clamping jaw 5 through the connecting shaft 4, the connecting shaft 4 plays a role in movable support, one end of the auxiliary arm 3 close to the integrated frame 1 is provided with a movable shaft 2, and the auxiliary arm 3 is movably connected with the integrated frame 1 through the movable shaft 2;

when the trailer is used, the upper fixing frame 13 and the lower fixing frame 14 are hung on a trailer hook of a motor home, the threaded rod 16 is screwed down, under the sliding fit of the pin shaft 25 and the lower fixing frame 14, the threaded rod 16 drives the lower clamping block 15 to move, so that the lower clamping block 15 is close to the upper clamping block 12, the relative distance between the lower clamping block 15 and the upper clamping block 12 is reduced, the lower clamping block 15 and the upper clamping block 12 clamp and fix the trailer hook of the motor home, if a trailer ring is used for the motor home, the locking bolt 23 is screwed out, the upper fixing frame 13 is rotated outwards by taking the pin shaft 25 as an axial direction, the upper fixing frame 13 is inserted into the trailer ring of the motor home, the upper fixing frame 13 is closed, the locking bolt 23 is screwed down, and then the operation is repeated, so that the lower clamping block 15 and the upper clamping block 12 clamp the trailer ring are clamped and fixed, the trailer hook or the trailer ring is clamped and fixed conveniently and quickly, and the convenience of the trailer structure operation is improved;

a connecting rod 7 is arranged on the side wall of the integrated frame 1, a hinge shaft 8 is arranged at one end of the connecting rod 7 far away from the integrated frame 1, and the connecting rod 7 is movably connected with a sliding sleeve 9 through the hinge shaft 8;

a sliding rod 11 is slidably arranged in the sliding sleeve 9, the sliding rod 11 is connected with a lower fixing frame 14, a locking pin 10 is arranged on the outer wall of the sliding sleeve 9 at one side of the sliding rod 11, the locking pin 10 extends to the surface of the sliding rod 11, and the locking pin 10 plays a role in connection and fixation;

the inside of the lower fixing frame 14 is slidably provided with a lower clamping block 15, the outer wall of the lower fixing frame 14 is provided with a threaded rod 16, the threaded rod 16 extends into the lower fixing frame 14, the threaded rod 16 is connected with the lower clamping block 15, and the threaded rod 16 is in threaded connection with the lower fixing frame 14;

an upper fixing frame 13 is arranged outside the lower fixing frame 14, a pin shaft 25 is arranged on one side of the lower fixing frame 14 close to the sliding rod 11, the upper fixing frame 13 is movably connected with the lower fixing frame 14 through the pin shaft 25, a locking bolt 23 is arranged on one side of the lower fixing frame 14 far away from the sliding rod 11, the locking bolt 23 extends to the outside of the upper fixing frame 13, and an upper clamping block 12 is arranged on the inner wall of the upper fixing frame 13;

a controller 24 is arranged on the outer wall of the servo motor 6, and the output end of the controller 24 is electrically connected with the input end of the servo motor 6;

through placing two sets of clamping jaws 5 on the tractor ring, the servo motor 6 is opened to the operation controller 24, drive shaft 17 rotates by servo motor 6 drive, drive gear 18 rotates by drive shaft 17 drive, under the gear cooperation of drive gear 18 and driven gear 19, driven gear 19 rotates by drive gear 18 drive a set of pinion 21 rotates, drive another set of pinion 21 rotates by driven gear 19, provide spacing movable support to clamping jaw 5 by auxiliary arm 3 through connecting axle 4 and loose axle 2, make two sets of clamping jaw 5 opposite movement, make two sets of clamping jaw 5 press from both sides tightly fixedly in the tractor ring, when needs tractor and car as a house take place danger and need break away from soon, can directly send instruction control controller 24 by tractor inside personnel, make two sets of clamping jaw 5 open, make convenient quick break away from, if the distance between tractor and the car as a house is nearer, unscrew locking pin 10, pull out 11, drive down mount 14 by slide bar 11, upper mount 13 moves, distance between adjusting slide bar 11 and sliding sleeve 9 is adjusted, distance between the adjustment and the tractor and the trailer is adjusted, the distance between the high-speed and the tractor is adjusted, the quick connection between the tractor and the car has been realized, the tractor is broken away from the carrier is carried out with the carrier is convenient and is carried out, the quick connection has been realized, the quick connection has been carried out with the tractor has been carried out, and the tractor has been adjusted the distance is convenient when the tractor has been broken away from the tractor has been adjusted.

Working principle: the upper fixing frame 13 and the lower fixing frame 14 are hung on a car as a house trailer hook, a threaded rod 16 is screwed down, under the sliding fit of a pin shaft 25 and the lower fixing frame 14, the threaded rod 16 drives the lower clamping block 15 to move, so that the lower clamping block 15 is close to the upper clamping block 12, the relative distance between the lower clamping block 15 and the upper clamping block 12 is reduced, the lower clamping block 15 and the upper clamping block 12 clamp and fix the car as a house trailer hook, if a trailer ring is used by a car as a house, a locking bolt 23 is screwed out, the upper fixing frame 13 is rotated by taking the pin shaft 25 as an axial outer rotation, the upper fixing frame 13 is inserted into the car as a house trailer ring, the upper fixing frame 13 is closed, the locking bolt 23 is screwed down, then the operation is repeated, the lower clamping block 15 and the upper clamping block 12 clamp the trailer ring are clamped and fixed, the servo motor 6 is opened by placing two groups of clamping jaws 5 on the tractor ring, the driving shaft 17 is driven to rotate by the servo motor 6, the driving gear 18 is driven by the driving shaft 17 to rotate, the driven gear 19 is driven by the driving gear 18 to rotate under the cooperation of the driving gear 18 and the driven gear 19, one group of pinion 21 is driven by the driving gear 18 to rotate, the other group of pinion 21 is driven by the driven gear 19 to rotate, the auxiliary arm 3 provides limit movable support for the clamping jaw 5 through the connecting shaft 4 and the movable shaft 2 to enable the two groups of clamping jaw 5 to move oppositely, so that the two groups of clamping jaw 5 are clamped and fixed in the tractor ring, when the tractor is required to be separated from the caravan or the danger happens to be separated from the caravan immediately, the controller 24 can be directly controlled by personnel in the tractor to enable the two groups of clamping jaw 5 to be opened, so that the rapid separation is convenient, if the distance between the tractor and the caravan is relatively close, the locking pin 10 is unscrewed, the sliding rod 11 is drawn, the lower fixing frame 14 is driven by the sliding rod 11, the upper fixing frame 13 moves, the distance between the tractor and the trailer is adjusted by adjusting the distance between the sliding rod 11 and the sliding sleeve 9, and then the locking pin 10 is screwed down, so that the use of the trailer structure at the tail of the caravan is completed.

Claims (6)

1. The utility model provides a trailer structure at car as a house afterbody, includes integrated frame (1) and servo motor (6), its characterized in that: the utility model discloses a clamping jaw (5) of a clamping jaw, which comprises an integrated frame (1), a servo motor (6) is installed on the top of the integrated frame (1), a sliding sleeve (9) is arranged on the outside of the integrated frame (1), a lower fixing frame (14) is arranged on the outside of the sliding sleeve (9) away from the integrated frame (1), a driving shaft (17) is movably installed on the inside of the integrated frame (1), the output end of the servo motor (6) is connected with the driving shaft (17), a driving gear (18) is sleeved on the surface of the driving shaft (17), a driven shaft (20) is movably installed inside the integrated frame (1) on one side of the driving shaft (20), a driven gear (19) is sleeved on the surface of the driven shaft (20), the driving gear (18) is meshed with the driven gear (19), two groups of rotating shafts (22) are movably installed inside the integrated frame (1) on one side of the driving gear (18), the surfaces of the rotating shafts (22) are sleeved with pinions (21), one group of the pinions (21) are meshed with the driving gear (18) mutually, the other group of pinions (21) are meshed with the driven gear (19), the surfaces of the rotating shafts (22) are respectively provided with clamping jaw (5) on one side, and the clamping jaw (5) are far away from each other, the one end that auxiliary arm (3) is close to clamping jaw (5) all installs connecting axle (4), and auxiliary arm (3) pass through connecting axle (4) and clamping jaw (5) swing joint, auxiliary arm (3) all install loose axle (2) near the one end of integrated frame (1), and auxiliary arm (3) pass through loose axle (2) and integrated frame (1) swing joint.

2. The trailer structure of claim 1, wherein: the side wall of the integrated frame (1) is provided with a connecting rod (7), one end, far away from the integrated frame (1), of the connecting rod (7) is provided with a hinge shaft (8), and the connecting rod (7) is movably connected with the sliding sleeve (9) through the hinge shaft (8).

3. The trailer structure of claim 1, wherein: the sliding sleeve (9) is internally provided with a sliding rod (11) in a sliding manner, the sliding rod (11) is connected with a lower fixing frame (14), the outer wall of the sliding sleeve (9) on one side of the sliding rod (11) is provided with a locking pin (10), and the locking pin (10) extends to the surface of the sliding rod (11).

4. The trailer structure of claim 1, wherein: the inside slidable mounting of mount (14) down has clamp splice (15), install threaded rod (16) on the outer wall of mount (14) down, and threaded rod (16) extend to the inside of mount (14) down to threaded rod (16) are connected with clamp splice (15) down, threaded rod (16) and mount (14) threaded connection down.

5. The trailer structure of claim 1, wherein: the outside of lower mount (14) is provided with mount (13), one side that lower mount (14) is close to slide bar (11) is installed round pin axle (25), and goes up mount (13) and lower mount (14) swing joint through round pin axle (25), locking bolt (23) are installed to one side that slide bar (11) were kept away from to lower mount (14), and locking bolt (23) extend to the outside of upper mount (13), install clamp splice (12) on the inner wall of upper mount (13).

6. The trailer structure of claim 1, wherein: the outer wall of the servo motor (6) is provided with a controller (24), and the output end of the controller (24) is electrically connected with the input end of the servo motor (6).