CN219008025U

CN219008025U - Rear-mounted double shock attenuation frame that hangs

Info

Publication number: CN219008025U
Application number: CN202320115620.4U
Authority: CN
Inventors: 张家钟
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-05-12
Anticipated expiration: 2033-01-12

Abstract

The utility model discloses a rear-mounted double-damping frame, which relates to the technical field of folding electric vehicles and comprises a central supporting tube, wherein a supporting box for installing an electric control system is fixed on the side wall of the central supporting tube, a front beam group is fixed on the side wall of the supporting box, a pedal assembly is connected to the bottom of the supporting box, a first rotating pair is arranged at the bottom of the central supporting tube and connected with a rear beam group, and a double-damping assembly is arranged between the rear beam group and the middle section of the central supporting tube; a triangular supporting area is formed among the supporting box, the front beam group and the central supporting tube, and the supporting box is positioned in the triangular supporting area; the front beam group is connected with a front wheel assembly, and the rear beam assembly is connected with a rear wheel assembly; the support box and the central support tube are fixedly provided with a hanging post-rest which is used for installing the battery pack thereon. The utility model has the advantages of high structural strength, good damping effect and high space utilization rate.

Description

Rear-mounted double shock attenuation frame that hangs

Technical Field

The utility model relates to the technical field of folding electric vehicles, in particular to a rear-mounted suspension double-damping frame.

Background

The folding electric motor car has the advantages of small size and folding, but just because of the small size, the installation position of the whole electric control system is limited, the battery pack can only be installed near the tire, when various vibration generated in the running process of the tire can influence the normal use of the battery pack and the electric control system, meanwhile, the space for installing the damping structure is much smaller, the whole damping structure is small in size, and the damping effect is poor.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a rear-mounted double-damping vehicle frame.

The rear-mounted double-damping frame comprises an installation body, wherein the installation body comprises a central support pipe, a support box for installing an electric control system is fixed on the side wall of the central support pipe, a front beam group is fixed on the side wall of the support box, a pedal assembly is connected to the bottom of the support box, a first rotating pair is arranged at the bottom of the central support pipe and connected with a rear beam group, and a double-damping assembly is arranged between the rear beam group and the middle section of the central support pipe; a triangular supporting area is formed among the supporting box, the front beam group and the central supporting tube, and the supporting box is positioned in the triangular supporting area; the front beam group is connected with a front wheel assembly, and the rear beam assembly is connected with a rear wheel assembly; and a hanging post-rest is fixed on the supporting box and the central supporting tube and is used for installing a battery pack thereon. In the whole double-damping frame, a triangular supporting area is formed among the supporting box, the front beam group and the central supporting tube, so that reliable and stable supporting among the three is realized, the whole supporting box is arranged in the triangular supporting area on the basis, the space for installing an electric control system can be saved, the supporting box can be utilized to realize the formation and reinforcement of the triangular supporting area, the supporting strength and the structural strength are further improved, the space for installing the electric control system can be greatly saved by utilizing the triangular supporting area, and the space utilization rate is improved; further, whole rear beam subassembly is connected with central stay tube through first rotating clothes, and the dual damper of reuse carries out buffering shock attenuation to let whole suspension rear frame not direct contact dual damper and rear wheel subassembly, thereby let the group battery on the suspension rear frame unsettled in rear wheel subassembly top, can not be influenced by rear wheel subassembly, reduce its vibrations in whole electric motor car operation in-process, effectively improve its life.

Preferably, the supporting box comprises a front side surface positioned in front, a rear side surface positioned at rear and a top surface positioned above, wherein a first included angle is formed between the front side surface and the rear side surface, a second included angle is formed between the front side surface and the top surface, and a third included angle is formed between the top surface and the rear side surface; wherein the sum of the degrees of the first included angle, the second included angle and the third included angle is 180 degrees; the central support tube is attached and fixed on the rear side face, and the position of the front beam group fixed on the support box is parallel to the top face. The front side, the rear side and the top surface of the whole supporting box are surrounded to form a triangular area, meanwhile, the central supporting pipe is attached and fixed on the rear side, the part of the front beam group fixed on the supporting box is parallel to the top surface, the central supporting pipe, the front beam group and the supporting box form a reliable triangular supporting area, the surface of the supporting box shell is reinforced and strengthened to the triangular supporting area, and the supporting strength and the structural strength of the device are improved.

Preferably, the double damping assembly comprises: the fixed seat is fixed on the central supporting tube; the lifting structure is fixed on the rear beam group; and an elastic structure disposed between the fixing base and the elevation structure; the end part of the fixing seat is provided with a second revolute pair, the top end of the lifting structure is provided with a third revolute pair, and two ends of the elastic structure are respectively connected with the second revolute pair and the third revolute pair. The height of the third revolute pair is improved through the lifting structure, the rear end of the whole elastic structure reaches a certain degree, the elastic structure is guaranteed to be in a super-inclined state, compared with the related elastic buffer structure with insufficient inclined angle, the elastic structure in the embodiment can compensate vibration by generating deformation of 1cm, and the related elastic buffer structure with insufficient inclined angle needs to generate deformation of 3cm or more, so that the size of the elastic structure is greatly reduced, and the space utilization rate is improved.

Preferably, the angle of the line between the second revolute pair and said third revolute pair with respect to the horizontal is less than 30 °. The angle of the connecting line between the second revolute pair and the third revolute pair relative to the horizontal plane represents the inclination angle of the whole elastic structure, and the size of the elastic structure can be reduced after the inclination angle is smaller than a certain range.

Preferably, a first reinforcing rib is provided between the suspension post-mount and the central support tube. The first reinforcing rib can improve the structural strength between the suspension post-frame and the central support tube.

Preferably, a second reinforcing rib is provided between the central support tube and the front cross member group. The second reinforcing rib can improve the structural strength between the central support tube and the front beam group.

Preferably, the front beam group comprises a beam structure fixed on the side wall of the supporting box and a vertical beam structure connected with the beam structure, and the bottom of the vertical beam structure is connected with the front wheel assembly.

Preferably, the beam structure comprises a fixing section and a connecting section, wherein a folding hinge is connected between the fixing section and the connecting section, and the fixing section is fixed on the side wall of the supporting box. The folding hinge can enable the fixing section to be folded with the connecting section, and is convenient for the storage of the whole frame.

The beneficial effects of the utility model are as follows:

in the utility model, the triangular supporting area is formed among the supporting box, the front beam group and the central supporting tube, so that reliable and stable supporting among the three is realized, and the whole supporting box is arranged in the triangular supporting area on the basis, so that the space for installing an electric control system can be saved, the supporting box can be utilized to realize the formation and reinforcement of the triangular supporting area, the supporting strength and the structural strength are further improved, the space for installing the electric control system can be greatly saved by utilizing the triangular supporting area, and the space utilization rate is improved; further, whole rear beam subassembly is connected with central stay tube through first rotating clothes, and the dual damper of reuse carries out buffering shock attenuation to let whole suspension rear frame not direct contact dual damper and rear wheel subassembly, thereby let the group battery on the suspension rear frame unsettled in rear wheel subassembly top, can not be influenced by rear wheel subassembly, reduce its vibrations in whole electric motor car operation in-process, effectively improve its life.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic structural view of the present utility model after being mounted on an entire electric vehicle.

Reference numerals:

1-central stay tube, 2-supporting box, 21-front side, 22-top, 23-rear side, 3-front beam group, 31-beam structure, 311-fixed section, 312-connecting section, 313-folding hinge, 32-vertical beam structure, 4-pedal assembly, 5-first revolute pair, 6-rear beam group, 7-double shock-absorbing assembly, 71-fixing seat, 711-second revolute pair, 72-raising structure, 721-third revolute pair, 73-elastic structure, 8-front wheel assembly, 9-rear wheel assembly, 10-hanging rear frame, 11-first reinforcing rib, 12-second reinforcing rib.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 and 2, a rear suspension double-damping frame comprises a central support tube 1, wherein a support box 2 for installing an electric control system is fixed on the side wall of the central support tube 1, a front beam group 3 is fixed on the side wall of the support box 2, a pedal assembly 4 is connected to the bottom of the support box 2, a first rotating pair 5 is arranged at the bottom of the central support tube 1, a rear beam group 6 is connected to the first rotating pair 5, and a double-damping assembly 7 is arranged between the rear beam group 6 and the middle section of the central support tube 1; wherein, a triangular supporting area is formed among the supporting box 2, the front beam group 3 and the central supporting tube 1, and the supporting box 2 is positioned in the triangular supporting area; the front beam group 3 is connected with a front wheel assembly 8, and the rear beam group 6 is connected with a rear wheel assembly 9; a hanging post-rest 10 is fixed on the support box 2 and the central support tube 1, and the hanging post-rest 10 is used for installing a battery pack thereon.

In this embodiment, it should be noted that, in the whole double-damping frame, a triangular supporting area is formed among the supporting box 2, the front beam group 3 and the central supporting tube 1, so that reliable and stable supporting is realized among the three, on this basis, the whole supporting box 2 is arranged in the triangular supporting area, so that the space for installing an electric control system can be saved, the supporting box 2 can be utilized to realize forming and reinforcing of the triangular supporting area, the supporting strength and the structural strength are further improved, the space for installing the electric control system can be greatly saved by utilizing the triangular supporting area, and the space utilization rate is improved; further, the whole rear beam assembly 6 is connected with the central supporting tube 1 through the first rotating clothes, the double damping assemblies 7 are utilized for buffering and damping, and the whole suspended rear frame 10 is not in direct contact with the double damping structures and the rear wheel assembly 9, so that a battery pack on the suspended rear frame 10 is suspended above the rear wheel assembly 9 and cannot be influenced by the rear wheel assembly 9, vibration of the electric vehicle in the running process is reduced, and the service life of the electric vehicle is effectively prolonged.

Specifically, the supporting box 2 includes a front side 21 located at the front, a rear side 23 located at the rear, and a top surface 22 located above, a first included angle is formed between the front side 21 and the rear side 23, a second included angle is formed between the front side 21 and the top surface 22, and a third included angle is formed between the top surface 22 and the rear side 23; wherein the sum of the degrees of the first included angle, the second included angle and the third included angle is 180 degrees; the central support tube 1 is attached and fixed on the rear side surface 23, and the part of the front beam group 3 fixed on the support box 2 is parallel to the top surface 22.

In this embodiment, the front side 21, the rear side 23 and the top 22 of the whole supporting box 2 enclose a triangle area, meanwhile, the central supporting tube 1 is attached and fixed on the rear side 23, and the part of the front beam group 3 fixed on the supporting box 2 is parallel to the top 22, so that the central supporting tube 1, the front beam group 3 and the supporting box 2 form a reliable triangle supporting area, the surface of the outer shell of the supporting box 2 is reinforced and strengthened to improve the supporting strength and the structural strength of the device.

Specifically, the double damper assembly 7 includes: a fixed seat 71 fixed on the central support tube 1; a lifting structure 72 fixed to the rear cross member group 6; and an elastic structure 73 disposed between the fixing base 71 and the elevation structure 72; the end of the fixing base 71 is provided with a second revolute pair 711, the top end of the lifting structure 72 is provided with a third revolute pair 721, and two ends of the elastic structure 73 are respectively connected with the second revolute pair 711 and the third revolute pair 721.

In this embodiment, it should be noted that, by raising the height of the third revolute pair 721 by the raising structure 72, the rear end height of the whole elastic structure 73 reaches a certain level, so that the elastic structure 73 is in an ultra-inclined state, and compared with the related elastic buffer structure with insufficient inclination angle in the prior art, the elastic structure 73 in this embodiment can compensate vibration by generating deformation of 1cm, and the related elastic buffer structure with insufficient inclination angle needs to generate deformation of 3cm or more, so that the size of the elastic structure 73 is greatly reduced, and the space utilization rate is improved.

Specifically, the angle of the line connecting the second rotating pair 711 and the third rotating pair 721 with respect to the horizontal plane is less than 30 °.

In the present embodiment, the angle of the line between the second revolute pair 711 and the third revolute pair 721 with respect to the horizontal plane represents the inclination angle of the entire elastic structure 73, and the elastic structure 73 can be reduced in size when the inclination angle is smaller than a certain range.

Specifically, a first reinforcing rib 11 is provided between the suspension post 10 and the central support tube 1.

In the present embodiment, the first reinforcing ribs 11 can improve the structural strength between the post-suspension frame 10 and the center support pipe 1.

Specifically, a second reinforcing rib 12 is provided between the center support tube 1 and the front cross member group 3.

In the present embodiment, the second reinforcing rib 12 can improve the structural strength between the center support pipe 1 and the front cross member group 3.

Specifically, the front beam group 3 includes a beam structure 31 fixed to the side wall of the support box 2 and a vertical beam structure 32 connected to the beam structure 31, and the front wheel assembly 8 is connected to the bottom of the vertical beam structure 32.

Specifically, the beam structure 31 includes a fixing section 311 and a connecting section 312, a folding hinge 313 is connected between the fixing section 311 and the connecting section 312, and the fixing section 311 is fixed to the side wall of the support box 2.

In this embodiment, the folding hinge 313 can fold the fixing section 311 and the connecting section 312, so as to facilitate the storage of the whole frame

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.

Claims

1. The rear-mounted double-damping frame is characterized by comprising a central supporting tube, wherein a supporting box for installing an electric control system is fixed on the side wall of the central supporting tube, a front beam group is fixed on the side wall of the supporting box, a pedal assembly is connected to the bottom of the supporting box, a first rotating pair is arranged at the bottom of the central supporting tube and connected with a rear beam group, and a double-damping assembly is arranged between the rear beam group and the middle section of the central supporting tube; wherein, the liquid crystal display device comprises a liquid crystal display device,

a triangular supporting area is formed among the supporting box, the front beam group and the central supporting tube, and the supporting box is positioned in the triangular supporting area;

the front beam group is connected with a front wheel assembly, and the rear beam assembly is connected with a rear wheel assembly;

and a hanging post-rest is fixed on the supporting box and the central supporting tube and is used for installing a battery pack thereon.

2. The rear suspension dual shock absorbing frame as set forth in claim 1 wherein said support box includes a front side at the front, a rear side at the rear and a top side at the top, said front side and said rear side forming a first angle therebetween, said front side and said top side forming a second angle therebetween, said top side and said rear side forming a third angle therebetween; wherein, the liquid crystal display device comprises a liquid crystal display device,

the sum of the degrees of the first included angle, the second included angle and the third included angle is 180 degrees;

the central support tube is attached and fixed on the rear side face, and the position of the front beam group fixed on the support box is parallel to the top face.

3. The rear suspension dual shock absorbing frame of claim 1, wherein the dual shock absorbing assembly comprises:

the fixed seat is fixed on the central supporting tube;

the lifting structure is fixed on the rear beam group; and

an elastic structure arranged between the fixing seat and the lifting structure; wherein, the liquid crystal display device comprises a liquid crystal display device,

the fixing base tip is provided with the second revolute pair, it is provided with the third revolute pair to raise the structure top, elastic construction both ends are connected respectively the second revolute pair with the third revolute pair.

4. A rear suspension dual shock absorbing frame as defined in claim 3, wherein the line between the second revolute pair and the third revolute pair is at an angle of less than 30 ° to the horizontal.

5. The rear suspension dual shock absorbing frame of claim 1, wherein a first stiffening rib is provided between the suspension rear frame and the central support tube.

6. The rear suspension dual shock absorbing frame of claim 1, wherein a second stiffening rib is provided between the central support tube and the front cross member.

7. The rear suspension dual shock absorbing frame of claim 1, wherein the front cross beam assembly comprises a cross beam structure fixed to the side walls of the support box and a vertical beam structure connected to the cross beam structure, and a front wheel assembly is connected to the bottom of the vertical beam structure.

8. The rear suspension dual shock absorbing frame of claim 7, wherein the cross beam structure comprises a fixed section and a connecting section, a folding hinge is connected between the fixed section and the connecting section, and the fixed section is fixed on the side wall of the supporting box.