CN217554116U

CN217554116U - Rear wheel damping device of load-carrying electric vehicle

Info

Publication number: CN217554116U
Application number: CN202221216652.5U
Authority: CN
Inventors: 王琳
Original assignee: Wuxi Hansenyuan Machinery Co ltd
Current assignee: Wuxi Hansenyuan Machinery Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-10-11
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a rear wheel damping device of a load-carrying electric vehicle, belonging to the technical field of electric vehicle damping, which is characterized in that the rear wheel damping device comprises a U-shaped bracket, wherein the upper end surface of the U-shaped bracket is provided with a lower mounting plate, the upper end surface of the lower mounting plate is provided with two spring dampers, and the upper end surfaces of the two spring dampers are provided with an upper mounting plate; go up the up end of mounting panel and install the cushion socket, the installation shell has been cup jointed to the upper end of cushion socket, a plurality of second springs of the inside top fixedly connected with of installation shell, it is a plurality of the lower terminal surface of second spring all with the up end fixed connection of cushion socket to this damping device conveniently further plays the cushioning effect to the impact force that two spring damper received, avoids the problem that two spring damper upper end stress points department take place to damage easily and drop when the impact force that the rear wheel received is too big.

Description

Rear wheel damping device of load-carrying electric vehicle

Technical Field

The utility model relates to an electric motor car shock attenuation technical field, in particular to load electric motor car rear wheel damping device.

Background

In the prior art, along with the improvement of environmental protection and energy saving consciousness, an electric vehicle runs by using electric energy, the noise of the product is low, the running stability is high, and the zero emission advantage is realized, so that the electric vehicle is widely applied to the society; especially, in the express industry, more and more bicycles or tricycles are used for delivering goods by using electric vehicles, the damping structure of the existing electric vehicle mostly uses spring dampers, and two sets of dampers are generally used.

The rear wheel damping device of the existing load-carrying electric vehicle is inconvenient to further play a role in buffering the impact force received by the two spring dampers, and the upper end stress points of the two spring dampers are easy to damage and fall off when the impact force received by the rear wheel is too large.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to above problem, provide a load electric motor car rear wheel damping device and solve above-mentioned problem.

The utility model discloses a rear wheel damping device of a load-carrying electric vehicle, which comprises a U-shaped bracket, wherein the upper end surface of the U-shaped bracket is provided with a lower mounting plate, the upper end surface of the lower mounting plate is provided with two spring dampers, and the upper end surfaces of the two spring dampers are provided with an upper mounting plate;

the buffer seat is installed to the up end of going up the mounting panel, the installation shell has been cup jointed to the upper end of buffer seat, a plurality of second springs of the inside top fixedly connected with of installation shell, it is a plurality of the lower terminal surface of second spring all with the up end fixed connection of buffer seat.

For convenient problem that the mud that prevents to splash etc. cause pollution corruption damage to two spring damper, conduct the utility model discloses a load electric motor car rear wheel damping device is preferred, protective housing is installed to the lateral wall of installation shell, protective housing's cross-sectional area is greater than the cross-sectional area of U type support.

For the convenience is located the installation shell to the buffer seat and plays limiting displacement, avoids taking place the problem that breaks away from between buffer seat and the installation shell, as the utility model discloses a load electric motor car rear wheel damping device is preferred, the equal fixedly connected with stopper in the left and right sides of buffer seat, two the lower terminal surface of stopper all closely laminates with the inside bottom of installation shell, two the equal fixedly connected with a plurality of third springs of up end of stopper, it is a plurality of the up end of third spring all with the inside top fixed connection of installation shell.

For the convenience install and dismantle between protective housing and the installation shell, conduct the utility model discloses a load electric motor car rear wheel damping device is preferred, can dismantle through a plurality of second bolts between protective housing and the installation shell and be connected.

In order to jolt the further effect that plays the shock attenuation buffering to electric motor car rear wheel, as the utility model discloses a load electric motor car rear wheel damping device is preferred, go up the lower terminal surface of mounting panel and install a plurality of urceolus that are located two spring damper outsides, it is a plurality of the first spring of the equal fixedly connected with in inside top of urceolus, it is a plurality of the equal fixedly connected with buffering post of lower terminal surface of first spring, it is a plurality of the lower extreme of buffering post runs through a plurality of urceolus respectively and extends to the below of urceolus, and is a plurality of the lower terminal surface of buffering post all can be dismantled with the up end of lower mounting panel and be connected.

For convenient change two spring damper and a plurality of buffer member, conduct the utility model discloses a rear wheel damping device of load electric motor car is preferred, all can dismantle through a plurality of first bolts and be connected between lower mounting panel and the U type support and between last mounting panel and the cushion socket.

Compared with the prior art, the beneficial effects of the utility model are that:

this kind of load electric motor car rear wheel damping device, when the electric motor car went, U type support mounting's rear wheel takes place under the condition of jolting, two spring damper play the effect of shock attenuation buffering, when taking place to jolt violently, the cushion socket further plays the effect of shock attenuation buffering through the impact force that a plurality of second springs received last mounting panel, thereby this damping device conveniently further plays the cushioning effect to the impact force that two spring damper received, the problem that the damage drops takes place easily in two spring damper upper end stress points department when avoiding the impact force that the rear wheel received too big.

Drawings

FIG. 1 is a sectional view of a rear wheel shock absorber of a truck electric vehicle according to the present invention;

fig. 2 is an enlarged view of a point a in fig. 1 according to the present invention;

fig. 3 is a structural diagram of the protective casing of the present invention.

In the figure, 1, a U-shaped bracket; 2. a lower mounting plate; 201. a spring damper; 202. an upper mounting plate; 203. an outer cylinder; 204. a first spring; 205. a buffer column; 206. a first bolt; 3. a buffer seat; 301. mounting a shell; 302. a second spring; 303. a limiting block; 304. a third spring; 4. a protective housing; 401. and a second bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a rear wheel damping device of a load-carrying electric vehicle comprises a U-shaped bracket 1, wherein a lower mounting plate 2 is mounted on the upper end surface of the U-shaped bracket 1, two spring dampers 201 are mounted on the upper end surface of the lower mounting plate 2, and an upper mounting plate 202 is mounted on the upper end surfaces of the two spring dampers 201;

go up mounting panel 202's up end-face mounting and have cushion socket 3, cushion socket 3's upper end has cup jointed installation shell 301, a plurality of second springs 302 of the inside top fixedly connected with of installation shell 301, a plurality of second springs 302's lower terminal surface all with cushion socket 3's up end fixed connection.

In this embodiment: when the electric motor car went, under the rear wheel emergence condition of jolting of U type support 1 installation, two spring damper 201 played the effect of shock attenuation buffering, when taking place to jolt violently, cushion socket 3 further played the effect of shock attenuation buffering through the impact force that a plurality of second springs 302 received last mounting panel 202, thereby this damping device conveniently further plays the cushioning effect to the impact force that two spring damper 201 received, the problem that the easy emergence damage of stress point department drops on two spring damper 201 when the impact force of avoiding the rear wheel to receive was too big.

As a technical optimization scheme of the utility model, protective housing 4 is installed to the lateral wall of installation shell 301, and protective housing 4's cross-sectional area is greater than the cross-sectional area of U type support 1.

In this embodiment: when the electric vehicle is used, when the rear wheel runs into the puddle and the like, the protective shell 4 conveniently prevents splashed sludge and the like from polluting, corroding and damaging the two spring shock absorbers 201.

As a technical optimization scheme, the equal fixedly connected with stopper 303 in the left and right sides of buffing pad 3, the lower terminal surface of two stoppers 303 all closely laminates with the inside bottom of installation shell 301, a plurality of third springs 304 of the equal fixedly connected with of up end of two stoppers 303, the up end of a plurality of third springs 304 all with the inside top fixed connection of installation shell 301.

In this embodiment: when buffer base 3 was located and reciprocates the buffering in installation shell 301, conveniently be located installation shell 301 to buffer base 3 through two stoppers 303 and play limiting displacement, avoid taking place the problem that breaks away from between buffer base 3 and the installation shell 301.

As a technical optimization scheme of the utility model, can dismantle the connection through a plurality of second bolts 401 between protective housing 4 and the installation shell 301.

In this embodiment: when dismantling protective housing 4, twist and dismantle a plurality of second bolts 401, dismantle protective housing 4 after that to reached the effect that makes things convenient for installation and dismantlement between protective housing 4 and the installation shell 301.

As a technical optimization scheme of the utility model, a plurality of urceolus 203 that are located two spring damper 201 outsides are installed to the lower terminal surface of going up mounting panel 202, the first spring 204 of the equal fixedly connected with in inside top of a plurality of urceolus 203, the equal fixedly connected with of the lower terminal surface of a plurality of first springs 204 cushions post 205, the lower extreme of a plurality of buffering posts 205 runs through a plurality of urceolus 203 respectively and extends to the below of urceolus 203, the lower terminal surface of a plurality of buffering posts 205 all can be dismantled with the up end of lower mounting panel 2 and be connected.

In this embodiment: when the shock absorption of electric motor car rear wheel is cushioned, a plurality of buffering posts 205 all are located urceolus 203 through first spring 204 and cushion, further play the effect of shock attenuation buffering to the jolt of electric motor car rear wheel.

As a technical optimization scheme of the utility model, all can dismantle through a plurality of first bolts 206 and be connected between lower mounting panel 2 and the U type support 1 and between last mounting panel 202 and the cushion socket 3.

In this embodiment: when the two spring dampers 201 and the plurality of buffer members are replaced, the plurality of first bolts 206 are screwed to detach the lower mounting plate 2 from the U-shaped bracket 1 and the upper mounting plate 202 from the buffer base 3, so that the two spring dampers 201 and the plurality of buffer members are replaced.

The utility model discloses a theory of operation and use flow: when the electric motor car goes, under the rear wheel emergence jolt condition of U type support 1 installation, two spring damper 201 play the effect of shock attenuation buffering, when taking place violent jolt, buffer seat 3 further plays the effect of shock attenuation buffering through the impact force that a plurality of second springs 302 received last mounting panel 202, when buffer seat 3 reciprocates the buffering in installation shell 301, play limiting displacement in installation shell 301 to buffer seat 3 through two stopper 303, when the electric motor car uses, when the rear wheel goes to mire etc. in, protecting sheathing 4 prevents the mud that splashes etc. from causing the problem of pollution corruption damage to two spring damper 201, when changing two spring damper 201 and a plurality of buffer member, twist and dismantle a plurality of second bolt 401, dismantle protecting sheathing 4 after that, twist a plurality of first bolt 206, will descend between mounting panel 2 and the U type support 1 and dismantle between upper mounting panel 202 and the buffer seat 3, change two spring damper 201 and a plurality of buffer member.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a load electric motor car rear wheel damping device, includes U type support (1), its characterized in that: a lower mounting plate (2) is mounted on the upper end face of the U-shaped support (1), two spring shock absorbers (201) are mounted on the upper end face of the lower mounting plate (2), and upper mounting plates (202) are mounted on the upper end faces of the two spring shock absorbers (201);

go up the up end of mounting panel (202) and install buffer seat (3), installation shell (301) have been cup jointed to the upper end of buffer seat (3), a plurality of second springs (302) of the inside top fixedly connected with of installation shell (301), it is a plurality of the lower terminal surface of second spring (302) all with the up end fixed connection of buffer seat (3).

2. The rear wheel shock absorber for heavy-duty electric vehicles as recited in claim 1, wherein: the outer side wall of the mounting shell (301) is provided with a protective shell (4), and the cross sectional area of the protective shell (4) is larger than that of the U-shaped support (1).

3. The rear wheel shock absorber for heavy-duty electric vehicles as recited in claim 1, wherein: the equal fixedly connected with stopper (303) of the left and right sides of buffing pad (3), two the lower terminal surface of stopper (303) all closely laminates with the inside bottom of installation shell (301), two a plurality of third springs (304) of the equal fixedly connected with of up end of stopper (303), it is a plurality of the up end of third spring (304) all with the inside top fixed connection of installation shell (301).

4. The rear wheel shock absorber for heavy-duty electric vehicles as recited in claim 2, wherein: the protective shell (4) is detachably connected with the mounting shell (301) through a plurality of second bolts (401).

5. The rear wheel shock absorber for heavy-duty electric vehicles as recited in claim 1, wherein: go up the lower terminal surface of mounting panel (202) and install a plurality of urceolus (203) that are located two spring shock absorbers (201) outsiders, it is a plurality of the first spring (204) of the equal fixedly connected with in inside top of urceolus (203), it is a plurality of the equal fixedly connected with buffering post (205) of lower terminal surface of first spring (204), it is a plurality of the lower extreme of buffering post (205) runs through a plurality of urceolus (203) respectively and extends to the below of urceolus (203), and is a plurality of the lower terminal surface of buffering post (205) all can be dismantled with the up end of lower mounting panel (2) and be connected.

6. The rear wheel shock absorber for heavy-duty electric vehicles as recited in claim 1, wherein: the lower mounting plate (2) and the U-shaped support (1) as well as the upper mounting plate (202) and the buffer base (3) are detachably connected through a plurality of first bolts (206).