CN214165183U - Rebound type seat resetting device for electric tricycle - Google Patents

Abstract

The utility model discloses a resilience formula seat resetting means for electric tricycle relates to electric motor car frame field, and this a resilience formula seat resetting means for electric tricycle still includes: a pair of support frames disposed at both sides of opposite surfaces of the base frame; the first end of the guide post is arranged on the surface of the base frame, the second end of the guide post is arranged on the back plate, and the guide post is parallel to the pair of supporting frames; the two ends of the linkage bearing plate are respectively connected with the supporting frame, and the linkage bearing plate reciprocates along the length direction of the guide pillar; the first return spring is sleeved on part of the guide post between the back plate and the linkage bearing plate; also comprises a limit fastening lock. According to the technical scheme, when the saddle position is adjusted, the saddle automatically rebounds to the initial position, manpower pushing is reduced, and in-place locking and initial position recovery locking are achieved simultaneously.

Description

Rebound type seat resetting device for electric tricycle

Technical Field

The utility model discloses a relate to electric motor car frame field especially relates to a resilience formula seat resetting means for electric tricycle.

Background

The electric tricycle frame is an important component of an electric tricycle and is a theme of the electric tricycle, and the electric tricycle frame is mainly designed and produced according to the style of the electric tricycle on the market. At present, the frame of the electric tricycle has the following defects:

firstly, the number of seats of the frame is fixed, and the number of seats cannot be increased according to the increase of the number of passengers;

secondly, the position of the seat is fixed, and the position cannot be adjusted according to the height or age of the passenger;

thirdly, when the number of seats of the sold electro-tricycle is increased, the seats need to be adjusted in a displacement mode towards the handlebar, so that the positions where riders sit are too close to the handlebar, body posture discomfort is caused, and comfort is affected;

in summary, the resilient seat resetting device for an electric tricycle, which is designed to increase the number of seats, prevent the seats from moving toward the handlebar direction during adjustment, and hide the number of seat adjustments, is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art, the disclosed embodiments provide a resilient seat return device for an electric tricycle. The technical scheme is as follows:

according to the utility model discloses a first aspect of embodiment provides a resilience formula seat resetting means for electric tricycle, comprising a base plate, be equipped with bed frame and backplate on the bottom plate, this a resilience formula seat resetting means for electric tricycle still includes:

a pair of support frames disposed at both sides of opposite surfaces of the base frame;

the first end of the guide post is arranged on the surface of the base frame, the second end of the guide post is arranged on the back plate, and the guide post is parallel to the pair of supporting frames;

the two ends of the linkage bearing plate are respectively connected with the supporting frame, and the linkage bearing plate reciprocates along the length direction of the guide pillar;

the first return spring is sleeved on part of the guide post between the back plate and the linkage bearing plate;

still include spacing fastening lock, spacing fastening lock includes:

at least one shield; the guard plate is arranged on the bottom plate and is perpendicular to the back plate

A positioning rib provided on a lower surface of the support frame;

the positioning ribs are respectively provided with an in-place lock hole and an initial lock hole;

the bracket is fixed on one side of the guard plate;

the inserting tongue penetrates through the bracket from top to bottom;

the lower end of the deflector rod is fixedly connected with the inserting tongue;

and the second return spring is sleeved on the part of the inserting tongue penetrating through the bracket.

In one embodiment, further comprising an auxiliary rebound assembly, the auxiliary rebound assembly comprising:

the first end of the linkage guide plate is far away from or close to the surface of the linkage bearing plate;

the second end of the linkage guide plate is connected with the connecting rod;

and the damping spring is sleeved on part of the guide pillar between the base frame and the linkage bearing plate.

In one embodiment, the surface of the linkage guide plate forms a linkage guide groove which is communicated up and down, the linkage bearing plate is provided with a linkage convex column, and the linkage convex column is inserted into the linkage guide groove and reciprocates along the length direction of the linkage guide groove.

In one embodiment, the lower surface of the linkage bearing plate is provided with at least one pair of limiting hoops, and the limiting hoops are sleeved on the guide columns and reciprocate along the length direction of the guide columns.

In one embodiment, a pedal is arranged at the upper end of the deflector rod.

The utility model discloses a technical scheme that embodiment provided can include following beneficial effect:

the first driven rod and the driving rod are matched, when an included angle between the driven rod and the driving rod is changed from an acute angle to an obtuse angle, the vertical height of the driven rod and the driving rod is reduced, the auxiliary seat frame descends and retracts into the main seat frame; when the included angle between the driven rod and the driving rod is changed from an obtuse angle to an acute angle, the longitudinal height of the driven rod and the driving rod is increased, and the auxiliary seat frame rises and extends out of the main seat frame;

secondly, the supporting frame moves downwards along the length direction of the guide post under the action of external force from an initial position overlapped with the main seat frame, and when the projection of the supporting frame on the main seat frame is gradually reduced, the linkage bearing plate is driven to synchronously move so as to provide rotary thrust for the driving rod;

thirdly, the linkage convex column on the linkage bearing plate moves along the linkage guide groove of the linkage guide plate to abut against the side wall of the linkage guide groove, the linkage guide plate is driven to move towards the direction far away from the driving rod, the connecting rod fixedly connected with the driving rod is driven to move in the same direction, and the driving rod moves along the first guide groove under the action of the connecting rod, so that the change of the included angle between the driving rod and the driven rod is realized, and the included angle is changed from an acute angle to an obtuse angle or from an obtuse angle to an acute angle;

and the fourth and the secondary auxiliary seat frames rotate along the surface of the main seat frame, enter the main seat frame or extend out of the main seat frame, and the relative positions of the secondary auxiliary seat frame and the main seat frame are fixed by utilizing the magnet blocks.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a first structural schematic diagram of a rebound seat resetting device for an electric tricycle in a storage state, wherein the rebound seat resetting device is assembled on a frame;

fig. 2 is a second structural schematic diagram of the resilient seat resetting device for the electric tricycle in a storage state, wherein the resilient seat resetting device is assembled on a frame;

fig. 3 is a first structural schematic diagram of the rebound seat resetting device for the electric tricycle in a combined state, wherein the rebound seat resetting device is assembled on a frame;

fig. 4 is a second structural schematic diagram of the resilient seat returning device for the electric tricycle in a combined state of being assembled on the frame;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is an enlarged view of portion B of FIG. 2;

FIG. 7 is an enlarged view of section C of FIG. 2;

fig. 8 is a schematic view of a third structure of the resilient seat returning device for an electric tricycle in a combined state of being assembled on a frame;

FIG. 9 is an enlarged view of section D of FIG. 8;

fig. 10 is an exploded view of the installation of the sub-base frame and the base frame according to the present invention;

fig. 11 is a schematic structural view of a resilient seat return device for an electric tricycle according to the present invention;

fig. 12 is a schematic structural view of the resilient seat returning device for an electro-tricycle, which is assembled on a base plate according to the present invention.

Reference numerals:

101. base 102, pedestal 103 and guard plate

201. Supporting frame 202, upper slideway 203, lower slideway

204. Drive rod 205, driven rod 206, connecting rod

207. First guide groove 208, second guide groove 301, sub seat frame

302. Guide post 303, damping spring 304, first reset spring

305. Linkage guide plate 306, linkage guide groove 307 and linkage receiving plate

308. Linkage convex column 401, secondary auxiliary seat frame 402 and connecting shaft

403. Mounting ring seat 404, magnet block 601 and connecting seat

602. Bracket 603, tongue 604 and shift lever

605. Foot pedal 606, positioning rib 8 and clamp

901. In-place lock hole 902, initial lock hole 1001 and backrest

1002. Slide holder 1003, substrate 11, and base

607. Second return spring

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The utility model discloses a technical scheme that the embodiment provided relates to a resilience formula seat resetting means for electric tricycle especially relates to the electric motor car frame field. In the related art, the electric tricycle frame has the following disadvantages: the number of seats of the frame is fixed, and the number of seats cannot be increased according to the increase of the number of passengers; the position of the seat is fixed, and the position cannot be adjusted according to the height or age of the passenger; when the number of seats of the sold electro-tricycle is increased, the seats need to be displaced and adjusted towards the handlebar, so that the sitting position of a rider is too close to the handlebar, the body posture is uncomfortable, and the comfort level is affected; synthesize above-mentioned, the resilience formula seat resetting means for electric tricycle that this disclosed technical scheme provided, during the saddle position adjustment, the initial position is kick-backed to the automation, reduces the manpower and promotes, realizes simultaneously that the target in place is locked and resume the initial position and lock.

Fig. 1 is a schematic view illustrating a first structure of a resilient seat returning device for an electric tricycle assembled in a storage state after the resilient seat returning device is assembled to a frame according to an exemplary embodiment of the present disclosure. As can be seen from fig. 1 to 12, the resilient seat returning apparatus for an electro-tricycle includes a base plate 101, wherein the base plate 101 is provided with a base frame 102 and a back plate 104, and the resilient seat returning apparatus for an electro-tricycle further includes: a pair of supporting frames 201, the pair of supporting frames 201 being disposed at both sides of the opposite surfaces of the base frame 102; at least one guide post 302, a first end of the guide post 302 is disposed on the surface of the base frame 102, a second end of the guide post is disposed on the back plate 104, and the guide post 302 is parallel to the pair of support frames 301; a linkage bearing plate 307, wherein two ends of the linkage bearing plate 307 are respectively connected with the support frame 201, and the linkage bearing plate 307 reciprocates along the length direction of the guide post 302; a first return spring 304, wherein the first return spring 304 is sleeved on a part of the guide post 302 between the back plate 104 and the linkage bearing plate 307; still include spacing fastening lock, spacing fastening lock includes: at least one shield plate 103; the guard plate 103 is arranged on the bottom plate 101 and is perpendicular to the back plate; a positioning rib 606, the positioning rib 606 being provided on the lower surface of the support frame 201; the positioning rib 201 is provided with an in-place locking hole 901 and an initial locking hole 902 respectively; the bracket 602 is fixed on one side of the guard plate 103; a tongue 603 which penetrates through the bracket from top to bottom; the lower end of the shifting lever is fixedly connected with the inserting tongue 604; the second return spring 607, the second return spring is sleeved on the partial insert tongue penetrating through the support, it should be further noted that the base frame 102, the main seat frame, the auxiliary seat frame 301 and the auxiliary seat frame 401 are all formed by welding aluminum alloy pipes or steel pipes, and have certain stress resistance and wear resistance, the base frame 102 is a three-sided structure, the first surface and the second surface of the concentrated base frame 102 are parallel to each other, the parallel surface distribution and the third surface of the base frame 102 are perpendicular to each other, an opening for the auxiliary seat frame 401 to go in and out is arranged on the third surface of the base frame 102, the first surface and the second surface of the base frame 102 are open surfaces, and an escape area for passing through the linkage bearing plate 307 is arranged.

In an example, the lower surface of the linkage bearing plate 306 is provided with at least one pair of limiting clamps 8, and the limiting clamps 8 are sleeved on the guide pillar 302 and reciprocate along the length direction of the guide pillar.

In the example, the upper end of the shift lever 604 is provided with a pedal 605 for stepping, the pedal 605 is stepped downwards by feet to drive the shift lever 604 to move downwards, because the lower surface of the shift lever 604 is fixedly connected with the lower surface of the insertion tongue 603, the insertion tongue 603 is separated from the initial locking hole of the positioning rib, the support frame 201 is pushed by hands to move towards the rear of the base frame 102, and simultaneously the linkage receiving plate 307 is driven to move in the same direction, the included angle between the driving rod 204 and the driven rod 205 is gradually reduced, the longitudinal height between the driving rod 204 and the driven rod 205 is increased, the auxiliary seat frame 301 is driven to be lifted to extend out of the base, at this time, the insertion tongue 603 is restored to the initial height under the action of the second return spring 607, when the insertion tongue 603 is pushed to the proper position, at this time, the pair of support frames 201 moves backwards to the proper position, and the auxiliary seat frame 301 is lifted to the proper position.

In one embodiment, further comprising an auxiliary rebound assembly, the auxiliary rebound assembly comprising:

a linkage guide plate 305, a first end of the linkage guide plate 305 is far away from or close to the surface of the linkage bearing plate 306; the second end of the linkage guide 305 is connected with the connecting rod 206; the damping spring 303, the damping spring 303 is sleeved on a part of the guide pillar between the base frame 102 and the linkage bearing plate 307, it should be further noted that the linkage bearing plate 307 is welded and fixed with the lower ends of the pair of support frames 201, a hoop 8 is installed on the lower surface of the linkage bearing plate 307, the guide pillar 302 passes through the hoop 8, the inner radius of the hoop 8 is slightly larger than the radius of the guide pillar 302, and the hoop 8 plays a limiting role.

In the example, the end of the guide post 302 close to the third surface of the base plate is sleeved with a damping spring 303 for preventing the linkage bearing plate 307 from impacting the third surface of the base plate in the reciprocating pushing process, so that the abrasion is reduced, and the service life is prolonged.

In an embodiment, a linkage guide groove 306 is formed on a surface of the linkage guide plate 305, the linkage receiving plate 307 is provided with a linkage convex column 308, the linkage convex column 308 is inserted into the linkage guide groove 306 and reciprocates along a length direction of the linkage guide groove 306, and it should be further noted that, in a process that the linkage receiving plate 307 displaces along the guide post 302, the linkage convex column 308 abuts against a side wall of the linkage guide groove 306 to drive the linkage guide plate 305 to move, so as to drive the connecting rod 206 fixedly connected with the linkage guide plate 305 to move synchronously, and apply a sliding force to the driving rods 204 fixed at two ends of the connecting rod 206, thereby realizing the reciprocating motion of the driving rod 204 in the second guide groove 208.

The electric tricycle frame equipped with the rebound seat return device further comprises: the lifting linkage mechanism comprises: the driving rod 204 and the driven rod 205 are crossed and movably connected; the upper end of the driving rod 204 is connected with the auxiliary seat frame 301 through a rotating shaft, and the lower end of the driving rod 204 is horizontally connected with the surface of the auxiliary seat frame 301 in a sliding manner; the upper end of the driven rod 205 is horizontally connected with the auxiliary seat frame 301 in a sliding manner, and the lower end of the driven rod 205 is connected with the surface of the auxiliary seat frame 301 in a rotating shaft manner; two ends of the connecting rod 206 are respectively connected with the lower ends of a pair of driving rods 204 arranged in parallel, it should be further noted that the upper parts of the opposite sides of a pair of first and second surfaces parallel to each other of the sub-seat frame 301 are respectively provided with an upper slide 202, the upper slide 202 is provided with a pair of through first guide slots 207, the lower parts of the opposite surfaces of the base frame 102 are respectively provided with a lower slide 203, the lower slide 203 is provided with a second guide slot 208, the upper end of the driven rod 205 extends into the first guide slot 207, the driven rod 205 is horizontally moved along the length direction of the first guide slot 207 by the cooperation of a first bolt and a first nut penetrating through the first guide slot 207, the lower end of the driven rod 205 is connected with a surface rotating shaft of the base frame 102, the driven rod 205 is matched with the driving rods 204, when the included angle between the driven rod 205 and the driving rods 204 is over from an acute angle to an obtuse angle, the longitudinal height of the driven rod 205 and the driving rods 204 is reduced, the sub-seat frame 301 descends and retracts into the main seat frame; when the angle between the driven rod 205 and the driving rod 204 is changed from an obtuse angle to an acute angle, the vertical height of the cooperation between the driven rod 205 and the driving rod 204 becomes large, and the sub-seat frame 301 rises to protrude outside the main seat frame.

In an example, a foldable backrest assembly is provided on the base frame, the backrest assembly comprising: the support body of bed frame 102 is connected at both ends, the base plate 1003 of setting on the support body, the sliding seat 1002 of suit on base plate 1003 sets up the back 1001 on the sliding seat 1002, it needs further to point out, the lower extreme suit of sliding seat is on the base plate, when needs back, manual upwards mentions the sliding seat, the vertical rising of sliding seat, when accomodating this back, manual sliding seat that pushes down, then along the rotatory 90 degrees of support body with the base plate, accomodate the inner ring of vice seat frame 301.

In one embodiment, the lower surface of the sub-seat frame 401 is provided with a rotating shaft 402, the inner surface of the base frame 102 is provided with a base 11, the rotating shaft 402 is inserted into the base 11 and rotates 80 degrees to 100 degrees around the center of the base, it should be further noted that the rotating shaft and the inner wall of the mounting seat are both made of wear-resistant materials, the radius of the rotating shaft is slightly smaller than the inner radius of the socket of the mounting seat, so that the sub-seat frame 401, the sub-seat frame 301 and the main seat frame are coaxially arranged while realizing limited rotation without generating relatively large dislocation.

Further, the magnetic coupling mechanism includes: an assembly ring seat 403, the assembly ring seat 403 being disposed at the lower surface edge of the sub seat frame 401; it should be further noted that the magnet block 404 at the edge of the lower surface of the sub-mount frame 401 may be magnetically attached to the third surface of the base, and the magnet block 404 is fixed in the mounting ring 403, and the two ends of the magnet block 404 are attached to or detached from the surface of the sub-mount frame 401, and the attachment position of the magnet block 404 is symmetrical with respect to the base when the sub-mount frame 401 extends or retracts into the base frame 102.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.

Claims (5)

1. The utility model provides a resilience formula seat resetting means for electric tricycle, includes the bottom plate, be equipped with bed frame and backplate on the bottom plate, its characterized in that, this resilience formula seat resetting means for electric tricycle still includes:

a pair of support frames disposed at both sides of opposite surfaces of the base frame;

the first end of the guide post is arranged on the surface of the base frame, the second end of the guide post is arranged on the back plate, and the guide post is parallel to the pair of supporting frames;

the two ends of the linkage bearing plate are respectively connected with the supporting frame, and the linkage bearing plate reciprocates along the length direction of the guide pillar;

the first return spring is sleeved on part of the guide post between the back plate and the linkage bearing plate;

still include spacing fastening lock, spacing fastening lock includes:

at least one shield; the guard plate is arranged on the bottom plate and is vertical to the back plate;

a positioning rib provided on a lower surface of the support frame;

the positioning ribs are respectively provided with an in-place lock hole and an initial lock hole;

the bracket is fixed on one side of the guard plate;

the inserting tongue penetrates through the bracket from top to bottom;

the lower end of the deflector rod is fixedly connected with the inserting tongue;

and the second return spring is sleeved on the part of the inserting tongue penetrating through the bracket.

2. The resilient seat return apparatus for an electro-tricycle according to claim 1, further comprising an auxiliary rebound assembly, the auxiliary rebound assembly comprising:

the first end of the linkage guide plate is far away from or close to the surface of the linkage bearing plate;

the second end of the linkage guide plate is connected with the connecting rod;

and the damping spring is sleeved on part of the guide pillar between the base frame and the linkage bearing plate.

3. The rebounding seat resetting device for the electro-tricycle according to claim 2, wherein a linkage guide groove communicated up and down is formed on a surface of the linkage guide plate, a linkage convex column is arranged on the linkage receiving plate, and the linkage convex column is inserted into the linkage guide groove and reciprocates along a length direction of the linkage guide groove.

4. The rebounding seat returning apparatus for an electro-tricycle according to claim 3, wherein the lower surface of the linkage receiving plate is provided with at least one pair of limit clips, and the limit clips are sleeved on the guide post and reciprocate along the length direction of the guide post.

5. The resilient seat return apparatus for an electro-tricycle according to claim 1, wherein a pedal is provided at an upper end of the lever.

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