CN218112839U

CN218112839U - Adjustable back structure of electric tricycle

Info

Publication number: CN218112839U
Application number: CN202222610351.7U
Authority: CN
Inventors: 蒋思行
Original assignee: Zhejiang Langxiang Industrial Co ltd
Current assignee: Zhejiang Langxiang Industrial Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-12-23
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to an adjustable backrest structure of an electric tricycle, in particular to a backrest of an electric tricycle, belonging to the technical field of electric tricycles, which comprises a frame and a backrest with armrests, wherein the left side and the right side of the frame are respectively provided with a slide rail component, a slide seat matched with the slide rail component is arranged below the left side and the right side of the backrest, the frame is provided with four positioning seats, the four positioning seats are grouped in pairs, and be located the below at both ends around every slide rail set spare respectively, just all be provided with location portion on every positioning seat, be provided with positioner on every slide respectively, be provided with the draw off mechanism who uses with the positioner cooperation in the back, go into or break away from location portion through the steerable positioner card of pulling draw off mechanism, the utility model aims at providing a back structure after adjustable to the stable electric tricycle's of back-and-forth movement adjustable.

Description

Adjustable back structure of electric tricycle

Technical Field

The utility model belongs to the technical field of electric tricycle, a back of electric tricycle's back is related to, refer in particular to an electric tricycle's adjustable back structure.

Background

The three-wheeled electric vehicle is a three-wheeled transportation tool for pulling goods or people, which takes a storage battery as power and a motor as drive. The three-wheeled electric vehicle mainly comprises a frame, handlebars, front wheels, two rear wheels and a passenger seat, wherein the passenger seat is generally provided with the front seat and the rear seat, the rear part of the rear seat is provided with a backrest, the backrest and the rear seat of the conventional three-wheeled electric vehicle both adopt fixed mounting structures, and the backrest cannot be adjusted forwards and backwards, so that a problem exists, when no person sits on the rear seat, a driver at the front seat does not have the support protection of the backrest, the riding comfort is reduced, and the driving safety of the vehicle is influenced. In addition, the existing three-wheeled electric vehicle is not provided with a baby seat generally, children need to be placed in a rear seat when taking the electric vehicle, the electric vehicle is very unsafe, although the baby seat is fixedly arranged at the front part of a passenger seat in the current market, the baby seat cannot move, and the leg space of a driver is still limited when no children take the electric vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rational in infrastructure, convenient to use to back stable electric tricycle's adjustable back structure of back-and-forth movement.

The purpose of the utility model is realized like this:

the utility model provides an adjustable back structure of electric tricycle, includes frame and the back that has the handrail, the left and right sides of frame is provided with slide rail set spare respectively, the below of the left and right sides portion of back is provided with the slide that uses with the slide rail set spare cooperation, be provided with four positioning seats on the frame, four two liang of positioning seats are a set of, and are located the below at every slide rail set spare front and back both ends respectively, just all be provided with location portion on every positioning seat, be provided with positioner on every slide respectively, be provided with the draw off mechanism who uses with positioner cooperation in the back, go into or break away from location portion through the steerable positioner card of pulling draw off mechanism.

In the adjustable rear backrest structure of the electric tricycle, the positioning device comprises a positioning support, a positioning column and a top pressure spring, the positioning support is fixed on one side of the sliding seat, the positioning column penetrates through the positioning support, the top pressure spring is sleeved on the positioning column, two ends of the top pressure spring respectively abut against the positioning support and the positioning column, the lower end of the positioning column constantly extends out of the positioning support by means of the elastic force of the top pressure spring, and the upper end of the positioning column is connected with the wire pulling device.

In the adjustable backrest structure of the electro-tricycle, each slide rail assembly comprises two slide rail seats and two slide rails, the two slide rail seats are fixed on one side of the frame, the two slide rails are located between the two slide rail seats, and the two slide rails are parallel to each other.

In the above adjustable rear backrest structure of an electric tricycle, the slide rail seat is an L-shaped support plate.

In the adjustable rear backrest structure of the electric tricycle, the positioning part is a positioning hole or a positioning groove.

In the adjustable rear backrest structure of the electro-tricycle, the wire drawing device comprises a main wire, two sub-wires and a junction box, one end of the main wire is connected with the pressing device, the other end of the main wire is connected with one ends of the two sub-wires through the junction box, and the other ends of the two sub-wires are connected with the positioning column.

In the adjustable rear backrest structure of the electro-tricycle, the junction box is of a hollow structure, the interior of the junction box is provided with the connecting block in a sliding manner, and the main line and the two sub lines are both connected with the connecting block.

In the above-mentioned adjustable rear backrest structure of an electric tricycle, the main line and the two sub-lines each include an outer tube and an inner wire, and the inner wire is movable within the outer tube.

In foretell electric tricycle's adjustable back structure, press device is including pressing support, button, reset spring and oscillating piece, be provided with the accommodation hole that is used for holding the button on the pressing support, the button is installed in the accommodation hole, just the reset spring cover is established in the button, reset spring's both ends respectively with the button with press the support butt, the oscillating piece is the triangle-shaped structure, just the oscillating piece articulates on pressing the support through first angle, the second angle of oscillating piece is connected with the interior line of thread, the third angle of oscillating piece uses with the button cooperation.

In the adjustable rear backrest structure of the electro-tricycle, the button comprises a button sleeve and a button body, the button body is arranged on the inner side of the button sleeve in a penetrating mode, the button sleeve extends out of two ends of the button body, and one end, close to the return spring, of the button body is in angular contact with the third angle of the swinging piece.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses a back can move back and forth, when only one person drives and takes, presses down the button, and button pulling wire drawing device, wire drawing device control positioner's reference column breaks away from the location portion of positioning seat, only needs to adjust the back forward, and the back moves along the slide rail through the slide, makes and reserves one person's position between back and the handlebar hand, and the button can be loosened after the adjustment finishes; when two people need to take, press the button, button pulling draw off mechanism, draw off mechanism control positioning device's reference column breaks away from the location portion of positioning seat, only need to adjust the back backward, the back passes through the slide and moves backward along the slide rail, can reserve two people's position between back and the handlebar hand, it adjusts from beginning to end to have realized the back according to the person of taking quantity, the riding comfort of tricycle electric motor car has effectively been improved and the safe shape of traveling, just so can not occupy navigating mate's shank space, and have reasonable in design and convenient to use nimble advantage.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic structural view of the wire drawing device of the present invention.

Figure 3 is a cross-sectional view of the main line of the present invention.

Fig. 4 is a schematic structural diagram of the slide rail assembly, the slide seat and the positioning device of the present invention.

Fig. 5 is a schematic structural view of the pressing device of the present invention.

Fig. 6 is a sectional view of the pressing device of the present invention.

Fig. 7 is one of the state diagrams of the movement of the backrest of the present invention.

Fig. 8 is a second state diagram of the movement of the backrest of the present invention.

1-a vehicle frame; 2-back of the back; 3-a slide rail assembly; 4-a slide seat; 5-a wire pulling device; 6-a positioning device; 7-a pressing device; 11-a positioning seat; 12-a positioning section; 31-a slide rail seat; 32-a slide rail; 51-a main line; 52-sub-line; 53-a distribution box; 54-an outer tube; 55-internal line; 56-connecting block; 61-a positioning bracket; 62-a positioning column;

63-a top pressure spring; 71-a pressing bracket; 72-a button; 73-a return spring; 74-a pendulum; 721-button cover; 722-button body.

Detailed Description

The invention will be further described in the following with reference to the accompanying drawings in which:

as shown in fig. 1-8: the utility model provides an adjustable back structure of electric tricycle, includes frame 1 and back 2 that has the handrail, the left and right sides of frame 1 is provided with slide rail set 3 respectively, the below of the left and right sides portion of back 2 is provided with slide 4 with slide rail set 3 cooperation use, slide be provided with four positioning seats 11 on the frame 1, two liang of a set of four positioning seats 11 is just located the below at the front and back both ends of every slide rail set 3 respectively, and every slide rail set is corresponding two positioning seats, just all be provided with location portion 12 on every positioning seat 11, be provided with positioner 6 on every slide 4 respectively, be provided with draw off wire apparatus 5 with positioner 6 cooperation use in the back 2, through pulling 5 steerable positioner 6 card of draw off wire apparatus and go into or break away from location portion 12, when positioner card goes into location portion, the back can't carry out the back-and-forth movement, positioner breaks away from location portion and is, and the back can be along slide rail set back-forth movement.

In the above adjustable rear backrest structure of the electric tricycle, the positioning device 6 includes a positioning support 61, a positioning column 62 and a pressing spring 63, the positioning support 61 is fixed on one side of the sliding seat 4, the positioning column 62 is inserted into the positioning support 61, the pressing spring 63 is sleeved on the positioning column 62, two ends of the pressing spring 63 respectively abut against the positioning support 61 and the positioning column 62, the lower end portion 62 of the positioning column constantly extends out of the positioning support 61 by means of the elastic force of the pressing spring 63, the upper end of the positioning column is connected with the wire pulling device 5, the wire pulling device can drive the positioning column to move upwards by pulling the wire pulling device, and as long as the positioning column is separated from the positioning portion, the rear backrest can be adjusted in position.

In the above-mentioned adjustable backrest structure of an electric tricycle, each of the rail assemblies 3 includes two rail seats 31 and two rails 32, the two rail seats 31 are fixed on one side of the frame 1, the two rails 32 are located between the two rail seats 31, and the two rails 32 are parallel to each other, specifically, in order to improve the sliding stability of the sliding seats.

In the adjustable rear backrest structure of the electric tricycle, the slide rail seat 31 is an L-shaped support plate, so that the movement of the slide seat can be limited, the slide seat is prevented from moving too far, and the slide seat is sleeved on the slide rail.

In the adjustable back structure of the electric tricycle, the positioning portion 12 is a positioning hole or a positioning groove, and is specific, the positioning hole is preferably adopted in the utility model.

In the adjustable rear backrest structure of the electric tricycle, the wire drawing device 5 includes a main wire 51, two sub-wires 52 and a junction box 53, one end of the main wire 51 is connected with the pressing device 7, the other end of the main wire is connected with one end of the two sub-wires 52 through the junction box 53, the other ends of the two sub-wires 52 are connected with the positioning column 62, the junction box 53 is of a hollow structure, a connecting block 56 is slidably arranged in the junction box 53, the main wire 51 and the two sub-wires 52 are both connected with the connecting block 56, so that the other two sub-wires can be driven to move only by drawing the main wire, and the two sub-wires synchronously move, so that the corresponding positioning columns can be driven to move.

In the above adjustable rear backrest structure of an electric tricycle, the main line 51 and the two sub-lines 52 each include an outer tube 54 and an inner line 55, the inner line 55 is movable in the outer tube 54, the pressing device 7 includes a pressing bracket 71, a button 72, a return spring 73, and a swinging member 74, the pressing bracket 71 is provided with a receiving hole 75 for receiving the button 72, the button 72 is installed in the receiving hole 75, the return spring 73 is sleeved in the button 72, two ends of the return spring 73 are respectively abutted against the button 72 and the pressing bracket 71, the swinging member 74 is of a triangular structure, the swinging member 74 is hinged to the pressing bracket 71 through a first corner, a second corner of the swinging member 74 is connected to the inner line 55 of the main line 51, the third corner of the swinging piece 74 is matched with the button 72 for use, two ends of an outer pipe of a specific main line are respectively connected with the pressing support and the box body of the junction box, two ends of an inner wire of the main line are connected with the second corner of the swinging piece and the connecting block in the junction box, two ends of outer pipes of two sub lines are connected with the box body of the junction box and the positioning support, two ends of the inner wire of the sub line are connected with the connecting block of the junction box and the upper end of the positioning column, the button pushes the third corner of the swinging piece through the pressing button, the swinging piece swings while upwards pulls the inner wire of the main line, the inner wire of the main line is driven to upwards move while being pulled upwards, and correspondingly, the inner wire of the sub line drives the positioning column to upwards move.

In the above-mentioned adjustable rear backrest structure of the electro-tricycle, the button 72 includes a button sleeve 721 and a button body 722, the button body 722 is inserted inside the button sleeve 721, and both ends of the button body 722 extend out of the button sleeve 721, in a simple manner, the length of the button body is longer than that of the button sleeve, and one end of the button body 722 close to the return spring 73 makes contact with the third angle of the swing member 74.

The above embodiment is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited in this way, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. The utility model provides an electric tricycle's adjustable back structure, includes frame (1) and back (2) that have the handrail, its characterized in that: the utility model discloses a bicycle frame, including frame (1), back backrest (2), slide rail set spare (3), frame (1) and back backrest (2), the left and right sides of frame (1) are provided with respectively slide (4) that use with slide rail set spare (3) cooperation, be provided with four positioning seats (11) on frame (1), two liang of a set ofly of four positioning seats (11), and be located the below at the front and back both ends of every slide rail set spare (3) respectively, just all be provided with location portion (12) on every positioning seat (11), be provided with positioner (6) on every slide (4) respectively, be provided with in back backrest (2) with positioner (6) cooperation use draw off mechanism (5), go into or break away from location portion (12) through pulling draw off positioner (5) steerable positioner (6) card.

2. The adjustable rear backrest structure of an electro-tricycle as claimed in claim 1, wherein: the positioning device (6) comprises a positioning support (61), a positioning column (62) and a top pressure spring (63), the positioning support (61) is fixed on one side of the sliding seat (4), the positioning column (62) is arranged on the positioning support (61) in a penetrating mode, the top pressure spring (63) is sleeved on the positioning column (62), two ends of the top pressure spring (63) are abutted to the positioning support (61) and the positioning column (62) respectively, the lower end portion of the positioning column (62) extends out of the positioning support (61) constantly with the aid of elastic force of the top pressure spring (63), and the upper end of the positioning column is connected with the wire drawing device (5).

3. The adjustable rear backrest structure of an electro-tricycle in accordance with claim 1, wherein: every slide rail set spare (3) all includes two slide rail seats (31) and two slide rails (32), one side at frame (1) is fixed in two slide rail seats (31), two slide rails (32) are located between two slide rail seats (31), and two slide rails (32) are parallel to each other.

4. The adjustable rear backrest structure of an electro-tricycle of claim 3, wherein: the slide rail seat (31) is an L-shaped support plate.

5. An adjustable rear backrest structure of an electro-tricycle according to claim 1, 2, 3 or 4, wherein: the positioning part (12) is a positioning hole or a positioning groove.

6. The adjustable rear backrest structure of an electro-tricycle as claimed in claim 5, wherein: the wire drawing device (5) comprises a main wire (51), two sub-wires (52) and a junction box (53), one end of the main wire (51) is connected with a pressing device (7), the other end of the main wire is connected with one ends of the two sub-wires (52) through the junction box (53), and the other ends of the two sub-wires (52) are connected with a positioning column (62).

7. The adjustable rear backrest structure of an electro-tricycle as claimed in claim 6, wherein: the junction box (53) is of a hollow structure, a connecting block (56) is arranged in the junction box in a sliding mode, and the main line (51) and the two sub lines (52) are connected with the connecting block (56).

8. The adjustable rear backrest structure of an electro-tricycle as claimed in claim 7, wherein: the main line (51) and the two sub-lines (52) each comprise an outer tube (54) and an inner wire (55), the inner wire (55) being movable within the outer tube (54).

9. An adjustable rear backrest structure of an electro-tricycle according to claim 6 or 7 or 8, characterized in that: pressing device (7) are including pressing support (71), button (72), reset spring (73) and swing piece (74), be provided with the accommodation hole that is used for holding button (72) on pressing support (71), install in the accommodation hole button (72), just reset spring (73) cover is established in button (72), and the both ends of reset spring (73) respectively with button (72) with press support (71) butt, swing piece (74) are the triangle-shaped structure, just swing piece (74) articulate on pressing support (71) through first angle, and the second angle of swing piece (74) is connected with interior line (55) of thread (51), and the third angle and the button (72) cooperation of swing piece (74) are used.

10. The adjustable rear backrest structure of an electro-tricycle of claim 9, wherein: the button (72) comprises a button sleeve (721) and a button body (722), the button body (722) penetrates through the inner side of the button sleeve (721), two ends of the button body (722) extend out of the button sleeve (721), and one end, close to the return spring (73), of the button body (722) is in contact with a third angle of the swinging piece (74).