CN218662142U

CN218662142U - Guide wheel of trailer

Info

Publication number: CN218662142U
Application number: CN202223357435.0U
Authority: CN
Inventors: 宋福明; 曹小峰; 彭军
Original assignee: Ningbo Yiyue Automobile Co ltd
Current assignee: Ningbo Yiyue Automobile Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-03-21
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a trailer leading wheel, concretely relates to leading wheel technical field, including the loop bar, the fixed cover of bottom fixedly connected with of loop bar, the inner wall sliding connection of fixed cover has the extension post, extension post and loop bar sliding connection, the bottom surface fixedly connected with mounting panel of extension post, the equal fixedly connected with bumper shock absorber in the left and right sides of the bottom surface of mounting panel, two the bottom of bumper shock absorber is rotated jointly and is connected with the connecting axle, the outer wall middle part fixedly connected with wheel of connecting axle, the outer wall upper portion fixedly connected with mount of loop bar, the left side swing joint of mount has the fixed plate, the common swing joint in top surface middle part of loop bar and extension post has the lead screw. A trailer leading wheel, through the installation bumper shock absorber in order to reduce the impact of ground unevenness to the wheel body, the life of extension wheel body, it is more convenient with fixed with the direction regulation that makes the leading wheel through the cooperation between mount and the connecting plate.

Description

Guide wheel of trailer

Technical Field

The utility model relates to a leading wheel technical field, in particular to trailer leading wheel.

Background

The trailer-type caravan does not have a power system, needs to be towed by a trailer to realize the walking function and arrives at a specified parking place, and is separated from the caravan after arriving at the parking place.

Chinese patent document CN215043246U discloses a leading wheel device and a trailer, including the leading wheel, be used for controlling the telescoping device that the leading wheel goes up and down and be used for receiving and releasing the retracting device of leading wheel, retracting device is including being used for the mounting that is connected with the trailer and being used for locking the first locking device of leading wheel, the telescoping device with the mounting is rotationally connected, the leading wheel is installed the flexible end of telescoping device, first locking device with the telescoping device is connected, just first locking device can with the mounting locks mutually. So set up, solved current pull-type car as a house and not have the leading wheel and waste time and energy when carrying out position adjustment problem, nevertheless can appear the leading wheel in the in-service use, ground circumstances such as arch produce the impact force to the leading wheel, influence the use of leading wheel, can shorten the life of leading wheel.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a guide wheel for a trailer, which can effectively solve the problem of short service life of the guide wheel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a trailer leading wheel, includes the loop bar, the fixed cover of bottom fixedly connected with of loop bar, the inner wall sliding connection of fixed cover has the extension post, the bottom surface of loop bar inwards offer with the slip chamber of extension post looks adaptation, and extension post and loop bar sliding connection, the bottom surface fixedly connected with mounting panel of extension post, the equal fixedly connected with bumper shock absorber in the left and right sides of the bottom surface of mounting panel, two the bottom of bumper shock absorber is rotated jointly and is connected with the connecting axle, the outer wall middle part fixedly connected with wheel of connecting axle, the outer wall upper portion fixedly connected with mount of loop bar, the left side swing joint of mount has the fixed plate, the top surface middle part swing joint of loop bar has the lead screw, extension post and lead screw threaded connection, the top fixedly connected with handle of lead screw.

Preferably, the middle part of the top surface of the extension column is fixedly connected with a nut, and the nut is in threaded connection with the screw rod.

Preferably, the mount includes the connecting plate, the solid fixed ring of right side fixedly connected with of connecting plate, gu fixed ring's inner wall and the outer wall upper portion fixed connection of loop bar, the left side middle part fixedly connected with spliced pole of connecting plate, the anterior fixedly connected with card post in left side of connecting plate.

Preferably, the bumper shock absorber includes the slip post, the top of slip post and the bottom surface fixed connection of mounting panel, the outer wall lower part sliding connection of slip post has a cover post, the bottom fixedly connected with connecting block of cover post, the connecting block rotates with the connecting axle to be connected, the slip post is equipped with damping spring with the outer wall of cover post jointly, damping spring's top and mounting panel fixed connection, damping spring's bottom and connecting block fixed connection.

Preferably, the mounting hole has all been seted up in the four corners of fixed plate, the fixed orifices has been seted up at the center of fixed plate, fixed orifices and spliced pole swing joint, the upper portion and the front side of fixed orifices all seted up with the connecting hole of calorie post shape looks adaptation, connecting hole and calorie post swing joint.

Preferably, the spliced pole includes the cylinder No. one, the one end and the connecting plate fixed connection of cylinder No. one, the one end fixedly connected with round platform shape fixture block of connecting plate is kept away from to cylinder No. one, the outer wall left part of cylinder is equipped with a fixed spring No. one, the one end and the round platform shape fixture block fixed connection of connecting plate are kept away from to a fixed spring.

Preferably, the card post includes the cylinder No. two, the mounting groove has been seted up at the top of cylinder No. two, the middle part fixedly connected with fixed block of mounting groove, two fixed springs of equal fixedly connected with in the left and right sides of fixed block, two the common fixedly connected with cutting ferrule of one end of fixed block is kept away from to No. two fixed spring.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses an installation bumper shock absorber is in order to reduce the impact of ground unevenness to the wheel body, through mutually supporting between slip post, cover post and the damping spring, when the wheel met the impact, the slip post can slide to the cover post because of strikeing, carries out shock attenuation protection to the wheel under two outside damping spring's of cylinder cooperation, reduces the impact that the wheel body received, prolongs the life of wheel body.

2. The utility model discloses a set up the cooperation between mount and the fixed plate, press into through two cutting ferrule on the card post behind the connecting plate in the use, outwards draw the connecting plate simultaneously, will block the post and pull out the connecting hole simultaneously with leading wheel pole turn direction, will block the post again and extrude into another connecting hole fixed leading wheel, it is more convenient with fixed through the direction regulation that the cooperation between mount and the connecting plate made the leading wheel.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic view of the connection structure of the present invention;

fig. 4 is a schematic view of the fixing frame of the present invention;

fig. 5 is a schematic view of the fixing plate structure of the present invention

Fig. 6 is a schematic view of the cross-sectional structure of the clamp column of the present invention.

In the figure: 1. a loop bar; 2. fixing a sleeve; 3. extending the column; 4. mounting a plate; 5. a shock absorber; 6. a connecting shaft; 7. a wheel; 8. a fixed mount; 9. a fixing plate; 10. a handle; 11. a lead screw; 31. a nut; 51. a sliding post; 52. sleeving a column; 53. a damping spring; 54. connecting blocks; 81. a fixing ring; 82. a connecting plate; 83. connecting columns; 84. clamping the column; 91. mounting holes; 92. a fixing hole; 93. connecting holes; 831. a first column; 832. a first fixed spring; 833. a truncated cone shaped fixture block; 841. a second column; 842. mounting grooves; 843. a fixed block; 844. a second fixed spring; 845. and (4) a ferrule.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1, a trailer leading wheel, including loop bar 1, the fixed cover 2 of bottom fixedly connected with of loop bar 1, because connect loop bar 1 and extension post 3, the inner wall sliding connection of fixed cover 2 has extension post 3, the sliding chamber with extension post 3 looks adaptation is inwards offered to the bottom surface of loop bar 1, and extension post 3 and loop bar 1 sliding connection, a height for adjusting the leading wheel, the bottom surface fixedly connected with mounting panel 4 of extension post 3, the equal fixedly connected with bumper shock absorber 5 in the left and right sides of the bottom surface of mounting panel 4, be used for carrying out shock attenuation protection to wheel 7, the bottom common rotation of two bumper shock absorbers 5 is connected with connecting axle 6, be used for connecting bumper shock absorber 5 and wheel 7, outer wall middle part fixedly connected with wheel 7 of connecting axle 6, the outer wall upper portion fixedly connected with mount 8 of loop bar 1, be used for playing the fixed action to the leading wheel, the left side swing joint of mount 8 has fixed plate 9, make the leading wheel can be fixed with the automobile body, the top surface middle part swing joint of loop bar 1 has lead screw 11, extension post 3 and lead screw 11 threaded connection, the top fixed nut 31 of extension post is used for the lead screw 11 is connected with lead screw nut 11, the top screw nut 31, be used for the top screw nut 11 is connected with the lead screw nut 11.

Specifically please refer to fig. 2, in order to reduce the impact of the uneven ground on the wheel body, two shock absorbers 5 are installed on the guide wheel, each shock absorber 5 includes a sliding column 51, the top of the sliding column 51 is fixedly connected with the bottom surface of the mounting plate 4, the lower part of the outer wall of the sliding column 51 is slidably connected with a sleeve column 52, the bottom of the sleeve column 52 is fixedly connected with a connecting block 54, the connecting block 54 is rotatably connected with the connecting shaft 6, the outer walls of the sliding column 51 and the sleeve column 52 are jointly provided with a damping spring 53, the sleeve column 52 of the sliding column 51 and the damping spring 53 are mutually matched to reduce the impact on the wheel body, the guide wheel is protected, the top end of the damping spring 53 is fixedly connected with the mounting plate 4, and the bottom end of the damping spring 53 is fixedly connected with the connecting block 54.

In order to fix the guide wheel with the vehicle body and simultaneously retract the guide wheel, as shown in fig. 3, the fixing frame 8 comprises a connecting plate 82, a fixing ring 81 is fixedly connected to the right side of the connecting plate 82, the inner wall of the fixing ring 81 is fixedly connected with the upper part of the outer wall of the loop bar 1 and used for fixing the guide wheel, a connecting column 83 is fixedly connected to the middle part of the left side of the connecting plate 82 and used for connecting the fixing frame 8 with the fixing plate 9, and a clamping column 84 is fixedly connected to the front part of the left side of the connecting plate 82 and used for fixing the guide wheel and adjusting the retraction of the guide wheel.

Further, as shown in fig. 3-4, the connection post 83 includes a first column 831, one end of the first column 831 is fixedly connected to the connection plate 82, one end of the first column 831, which is away from the connection plate 82, is fixedly connected to a truncated cone-shaped locking block 833, when the connection plate 82 is pulled, the connection plate 82 can be prevented from being separated from the fixing plate 9, a first fixing spring 832 is disposed at the left portion of the outer wall of the first column 831, one end of the first fixing spring 832, which is away from the connection plate 82, is fixedly connected to the truncated cone-shaped locking block 833, and the first fixing spring 832 can assist the connection plate 82 to return to the original position after the connection plate 82 is pulled.

Referring to fig. 5, the four corners of the fixing plate 9 are provided with mounting holes 91 for mounting and fixing the car body and the guide wheel, the center of the fixing plate 9 is provided with a fixing hole 92, the fixing hole 92 is movably connected with the connecting column 83, the upper part and the front side of the fixing hole 92 are provided with connecting holes 93 matched with the shapes of the clamping columns 84, and the connecting holes 93 are movably connected with the clamping columns 84.

In order to make connecting plate 82 can fix and adjust, as shown in fig. 6, card post 84 includes No. two cylinders 841, mounting groove 842 has been seted up at the top of No. two cylinders 841, a fixed spring 844 is installed No. two, the middle part fixedly connected with fixed block 843 of mounting groove 842, two No. two fixed springs 844 of the equal fixedly connected with in the left and right sides of fixed block 843, the common fixedly connected with cutting ferrule 845 of one end that fixed block 843 was kept away from to two No. two fixed springs 844, cooperation through between No. two fixed spring 844 and the cutting ferrule 845 makes card post 84 more convenient fixed and take out.

It should be noted that, the utility model relates to a trailer leading wheel, when using, extrude into mounting groove 842 through two cutting ferrule 845 with the hand on the card post 84, reuse another hand outwards pulls connecting plate 82, pull out connecting hole 93 with card post 84, turn to ground direction with mount 8 together with the leading wheel again, finally extrude into another connecting hole 93 with card post 84, make the direction of leading wheel fixed, again according to the high rotation handle 10 on ground, drive lead screw 11 by handle 10 and rotate, again by the activity of the nut 31 of lead screw 11 drive its outer wall, thereby make extension post 3 outwards slide, make the leading wheel adjust suitable height, when the leading wheel receives when assaulting through mutually supporting between hua sliding column 51, housing column 52 and damping spring 53, meet the back of assaulting at wheel 7, sliding column 51 can slide to housing column 52 because of assaulting, shock attenuation protection is carried out to wheel 7 under the cooperation of the damping spring 53 of two cylinder outsides, reduce the impact that receives.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a trailer leading wheel, includes loop bar (1), its characterized in that: the utility model discloses a telescopic pole, including the bottom fixedly connected with of loop bar (1) fixed cover (2), the inner wall sliding connection of fixed cover (2) has extension post (3), the bottom surface of loop bar (1) inwards set up with the slip chamber of extension post (3) looks adaptation, and extension post (3) and loop bar (1) sliding connection, the bottom surface fixedly connected with mounting panel (4) of extension post (3), the equal fixedly connected with bumper shock absorber (5) of the left and right sides of the bottom surface of mounting panel (4), two the bottom of bumper shock absorber (5) is rotated jointly and is connected with connecting axle (6), the outer wall middle part fixedly connected with wheel (7) of connecting axle (6), the outer wall upper portion fixedly connected with mount (8) of loop bar (1), the left side swing joint of mount (8) has fixed plate (9), the top surface middle part swing joint of loop bar (1) has lead screw (11), extension post (3) and lead screw (11) threaded connection, the top fixedly connected with handle (10) of lead screw (11).

2. A trailer guide wheel according to claim 1, wherein: the top surface middle part fixedly connected with nut (31) of extension post (3), nut (31) and lead screw (11) threaded connection.

3. A trailer guide wheel according to claim 1, wherein: mount (8) are including connecting plate (82), the solid fixed ring of right side fixedly connected with (81) of connecting plate (82), the outer wall upper portion fixed connection of the inner wall of solid fixed ring (81) and loop bar (1), the left side middle part fixedly connected with spliced pole (83) of connecting plate (82), anterior fixedly connected with card post (84) in left side of connecting plate (82).

4. A trailer guide wheel according to claim 1, wherein: shock absorber (5) are including slip post (51), the top of slip post (51) and the bottom surface fixed connection of mounting panel (4), the outer wall lower part sliding connection of slip post (51) has set post (52), the bottom fixedly connected with connecting block (54) of set post (52), connecting block (54) rotate with connecting axle (6) and are connected, slip post (51) are equipped with damping spring (53) with the outer wall of set post (52) jointly, damping spring (53)'s top and mounting panel (4) fixed connection, damping spring (53)'s bottom and connecting block (54) fixed connection.

5. A trailer guide wheel according to claim 1, wherein: mounting hole (91) have all been seted up in the four corners of fixed plate (9), fixed orifices (92) have been seted up at the center of fixed plate (9), fixed orifices (92) and spliced pole (83) swing joint, connecting hole (93) with card post (84) shape looks adaptation are all seted up to the upper portion and the front side of fixed orifices (92), connecting hole (93) and card post (84) swing joint.

6. A trailer guide wheel according to claim 3, wherein: spliced pole (83) are including a cylinder (831), the one end and connecting plate (82) fixed connection of a cylinder (831), the one end fixedly connected with round platform shape fixture block (833) of connecting plate (82) are kept away from to a cylinder (831), the outer wall left part of a cylinder (831) is equipped with a fixed spring (832), the one end and the round platform shape fixture block (833) fixed connection of connecting plate (82) are kept away from to a fixed spring (832).

7. A trailer guide wheel according to claim 3, wherein: card post (84) are including No. two cylinder (841), mounting groove (842) have been seted up at the top of No. two cylinder (841), middle part fixedly connected with fixed block (843) of mounting groove (842), two No. two fixed spring (844), two of the equal fixedly connected with in the left and right sides of fixed block (843) No. two fixed spring (844) keep away from the common fixedly connected with cutting ferrule (845) of one end of fixed block (843).