CN210592189U

CN210592189U - Suspension type spare tire beam assembly

Info

Publication number: CN210592189U
Application number: CN201921471196.7U
Authority: CN
Inventors: 席华
Original assignee: Hefei Huamao Machinery Manufacturing Co Ltd
Current assignee: Hefei Huamao Machinery Manufacturing Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-22
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a suspension type spare tyre crossbeam assembly, including the crossbeam body, square groove has been seted up to the upper end of crossbeam body, square groove's interior bottom rotates and is connected with the gear, sliding connection has two and gear engagement's rack on square groove's the inner wall, and two the rack sets up along the axle center symmetry of gear, the first hand wheel of the coaxial fixedly connected with in upper end of gear, the bar groove has been seted up to the lower extreme of crossbeam body, sliding connection has two supports in the bar groove. The utility model discloses a rotate first hand wheel for gear revolve can make two racks stretch out from square inslot, can be when hanging the spare tyre of great volume, quality, go into corresponding position with two rack card, and the increase is to the holding power of whole device, when preventing that the car from jolting and going, the support is not hard up and the spare tyre drops appears.

Description

Suspension type spare tire beam assembly

Technical Field

The utility model relates to an automobile parts technical field especially relates to a suspension type spare tyre beam assembly.

Background

The spare tire cross beam assembly is a structure for mounting a spare tire lifter and is fixed on the lower wing surface of the frame longitudinal beam.

When the spare tire cross beam is used, the support supports the spare tire, and after the spare tire cross beam is lifted to a position, the spare tire is tightly pressed onto the spare tire cross beam through the spring so as to fix the spare tire. When the spare tire is large in size and weight, if the spare tire is fixed in the mode, the spring and the support cannot provide supporting force for a limited amount, and when the automobile runs on a bumpy road section, the impact force on the spring and the support is large when the automobile fluctuates up and down, so that the spring and the support are easy to loosen, and finally the spare tire falls off.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a suspension type spare tire beam assembly.

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

the utility model provides a suspension type spare tyre beam assembly, includes the crossbeam body, square groove has been seted up to the upper end of crossbeam body, square groove's interior bottom rotates and is connected with the gear, sliding connection has two and gear engagement's rack on square groove's the inner wall, and two the rack sets up along the axle center symmetry of gear, the coaxial fixedly connected with first hand wheel in upper end of gear, the bar groove has been seted up to the lower extreme of crossbeam body, sliding connection has two supports in the bar groove.

Preferably, it is connected with double threaded rod, two to rotate on the inner wall in bar groove the support is threaded connection respectively on two screw thread sections of double threaded rod, the lateral wall of crossbeam body is seted up and is constructed the groove, drive double threaded rod pivoted drive arrangement is installed to the mechanism inslot.

Preferably, the driving device comprises a first bevel gear rotationally connected to the inner wall of the mechanism groove, one end of the double-end threaded rod extends into the mechanism groove and is coaxially and fixedly connected with a second bevel gear, the first bevel gear is meshed with the second bevel gear, a rotating shaft is coaxially and fixedly connected to the first bevel gear, and the rotating shaft penetrates through the side wall of the beam body and is coaxially and fixedly connected with a second hand wheel.

Preferably, the inner bottom of the square groove is provided with a plurality of blind holes, the gear is provided with a through hole, and a bolt is inserted into one of the blind holes and the through hole together.

Preferably, a plurality of the blind holes are distributed at equal intervals along the circumferential direction of the gear, and the number of the blind holes is 6-8.

Preferably, a handle is fixedly connected to the second hand wheel, and the handle is arranged at the position of the axis far away from the second hand wheel.

The utility model discloses following beneficial effect has:

1. the first hand wheel is rotated to enable the gear to rotate, so that the two racks can extend out of the square groove, when a spare tire with larger volume and mass is hung, the two racks can be clamped into corresponding positions, the supporting force of the whole device is increased, and the spare tire is prevented from falling off due to looseness of a support when an automobile runs in a bumpy manner;

2. through rotating the second hand wheel, can make the double threaded rod rotate under the linkage of each part, can adjust the interval of two supports, can hang the spare tyre of different sizes so and use with the motorcycle type that adapts to the difference.

Drawings

Fig. 1 is a schematic structural view of a suspended spare tire beam assembly provided by the present invention;

fig. 2 is a schematic top sectional view of a suspended spare tire beam assembly according to the present invention;

fig. 3 is an enlarged schematic view of a structure at a position a of the suspended spare tire beam assembly provided by the utility model.

In the figure: the device comprises a beam body 1, a square groove 2, a gear 3, a rack 4, a first hand wheel 5, a strip-shaped groove 6, a support 7, a double-threaded rod 8, a blind hole 9, a bolt 10, a through hole 11, a mechanism groove 12, a first bevel gear 13, a second bevel gear 14, a rotating shaft 15 and a second hand wheel 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a suspension type spare tire beam assembly, including beam body 1, square groove 2 has been seted up to beam body 1's upper end, square groove 2's interior bottom rotates and is connected with gear 3, square groove 2's interior bottom has been seted up a plurality of blind holes 9, through-hole 11 has been seted up on the gear 3, it is equipped with bolt 10 to insert jointly in one of them blind hole 9 and the through-hole 11, a plurality of blind holes 9 are along the equidistant distribution of circumference of gear 3, and the quantity of blind hole 9 is 6-8, sliding connection has two racks 4 with gear 3 meshing on square groove 2's the inner wall, and two racks 4 set up along gear 3's axle center symmetry, the coaxial fixedly connected with first hand wheel 5 in gear 3's upper end, bar groove 6 has been seted up to beam body 1's lower extreme, sliding connection has two supports 7 in.

Through setting up a plurality of blind holes 9 that distribute along 3 circumference of gear, and set up through-hole 10 on gear 3, can rotate certain angle at gear 3 and make two racks 4 follow the square inslot and stretch out the back, insert bolt 10 through-hole 11 and enter into corresponding blind hole 9 and accomplish the fixed of 3 angles of gear, avoid when the automobile motion, rack 4 drops.

Rotate on the inner wall of bar groove 6 and be connected with double threaded rod 8, two supports 7 are threaded connection respectively on two screw thread sections of double threaded rod 8, mechanism's groove 12 has been seted up to the lateral wall of crossbeam body 1, install drive double threaded rod 8 pivoted drive arrangement in the mechanism's groove 12, drive arrangement is including rotating first bevel gear 13 of connecting on mechanism's groove 12 inner wall, double threaded rod 8's one end extends to mechanism's inslot 12 and coaxial fixedly connected with second bevel gear 14, and first bevel gear 13 and the meshing of second bevel gear 14, coaxial fixedly connected with pivot 15 on the first bevel gear 13, pivot 15 runs through crossbeam body 1's lateral wall and coaxial fixedly connected with second hand wheel 16, fixedly connected with handle on the second hand wheel 16, and the handle setting is in the axle center department of keeping away from second hand wheel 16.

Through setting up first bevel gear 13 and second bevel gear 14, change the position of the second hand wheel 16 of rotating double-end threaded rod 8, can set up second hand wheel 16 in the car rear, can make second hand wheel 16 facilitate the use.

Furthermore, because the screw thread has certain self-locking capacity, a handle is arranged on the second hand wheel 16 far away from the axis of the second hand wheel, so that a labor-saving lever can be formed, and the force for rotating the second hand wheel 16 is saved.

The utility model discloses in, rotatable handle makes second hand wheel 16 rotate, can drive first bevel gear 13 like this and rotate to make and rotate with first bevel gear 13 meshed second bevel gear 14, can drive double threaded rod 8 and rotate, make two supports 7 of threaded connection on double threaded rod 8 take place relative movement, the interval of two adjustable supports 7, and then can hang the spare tyre of different size and dimension.

Rotate first hand wheel 5 for take place to rotate rather than coaxial fixed connection's gear 3, can shift out two racks 4 from square groove 2, the rack 4 joint that will stretch out corresponding position in the car, make this device fixed, two racks 4 can provide certain holding power to this device like this, increase the intensity of this device, prevent that the car from meetting when the highway section of jolting, too big and cause the spare tyre to drop to the impact force of support 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a suspension type spare tyre beam assembly, includes crossbeam body (1), its characterized in that, square groove (2) have been seted up to the upper end of crossbeam body (1), the interior bottom of square groove (2) is rotated and is connected with gear (3), sliding connection has two and gear (3) meshed rack (4) on the inner wall of square groove (2), and two rack (4) set up along the axle center symmetry of gear (3), the first hand wheel (5) of the coaxial fixedly connected with in upper end of gear (3), bar groove (6) have been seted up to the lower extreme of crossbeam body (1), sliding connection has two supports (7) in bar groove (6).

2. The hanging spare tire beam assembly as claimed in claim 1, wherein the inner wall of the strip-shaped groove (6) is rotatably connected with a double threaded rod (8), the two brackets (7) are respectively in threaded connection with two thread sections of the double threaded rod (8), the side wall of the beam body (1) is provided with a mechanism groove (12), and a driving device for driving the double threaded rod (8) to rotate is installed in the mechanism groove (12).

3. A suspended spare wheel beam assembly as claimed in claim 2, wherein the driving device comprises a first bevel gear (13) rotatably connected to the inner wall of the mechanism groove (12), one end of the double-threaded rod (8) extends into the mechanism groove (12) and is coaxially and fixedly connected with a second bevel gear (14), the first bevel gear (13) is meshed with the second bevel gear (14), a rotating shaft (15) is coaxially and fixedly connected to the first bevel gear (13), and the rotating shaft (15) penetrates through the side wall of the beam body (1) and is coaxially and fixedly connected with a second hand wheel (16).

4. A hanging spare wheel cross beam assembly according to claim 1, wherein the inner bottom of the square groove (2) is provided with a plurality of blind holes (9), the gear (3) is provided with a through hole (11), and a bolt (10) is inserted into one of the blind holes (9) and the through hole (11).

5. A suspended spare wheel cross beam assembly according to claim 4, wherein a plurality of the blind holes (9) are distributed at equal intervals along the circumference of the gear (3), and the number of the blind holes (9) is 6-8.

6. A suspended spare wheel cross beam assembly according to claim 3, wherein a handle is fixedly connected to the second hand wheel (16), and the handle is arranged at the axle center far away from the second hand wheel (16).