CN220054030U

CN220054030U - Tail telescopic frame

Info

Publication number: CN220054030U
Application number: CN202321581887.9U
Authority: CN
Inventors: 张阳; 曹俊; 徐斌
Original assignee: Wuxi Yingteli Intelligent Technology Co ltd
Current assignee: Wuxi Yingteli Intelligent Technology Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-11-21
Anticipated expiration: 2033-06-20

Abstract

The utility model discloses a tail telescopic frame which comprises a top support beam group, a bottom support beam group and a tail frame, wherein the top support beam group comprises two symmetrical upper support tubes, the bottom support beam group comprises two symmetrical lower support tubes, and the tail frame comprises a telescopic part and an inclined strut group; the tail frame is of a telescopic structure, so that a wider adaptation range can be achieved under the condition that the stability of a normal frame is not affected, and meanwhile, when in telescopic operation, no additional tool is needed, and the whole operation process is simple and convenient; the bottom of the inclined strut used for stable support is arranged in a movable connection mode, so that the angle adaptation can be carried out according to the adjustment of different telescopic lengths of the top, and the normal telescopic function can not be influenced.

Description

Tail telescopic frame

Technical Field

The utility model belongs to the field of electric bicycle components, and particularly relates to a tail telescopic frame.

Background

Bicycles, also known as bicycles or scooters, are typically two-wheeled small land vehicles. After people get on the vehicle, the pedal is taken as power, so that the vehicle is environment-friendly. The electric bicycle is a vehicle which uses a storage battery as an auxiliary energy source and is provided with a motor, a controller, a storage battery, a handle bar, and other operating components and a display instrument system on the basis of a common bicycle.

For bicycles and electric bicycles, the main components of the bicycle are mainly a fixed mounting or integrated structure.

The Chinese patent with the bulletin number of CN215904666U discloses an electric bicycle frame, which comprises an upper pipe, a head pipe and a five-way pipe, wherein the upper pipe and the lower pipe are integrally formed, so that more tools are not needed in the production process, the production cost is greatly reduced, the waste of resources is avoided, and the problem that the strength of a bracket is lower due to uneven welding process is avoided.

The technical scheme has the following defects:

although the integral integrated design has good stability and strength, for the rear seat of the tail, the influence of the rear seat of the tail on the integral stability of the frame is small, and the adaptability range of the rear seat of the tail according to different requirements is wider, such as a cargo box installation, a saddle extension and the like, the integral fixing structure of the scheme cannot meet the requirements.

Disclosure of Invention

In order to overcome the defects, the utility model provides a tail telescopic frame which comprises a top support beam group, a bottom support beam group and a tail frame, wherein the top support beam group comprises two symmetrical upper support tubes, the two upper support tubes are reinforced by a bottom reinforcing tube and a top support bar, a five-way tube is fixed in the middle of each lower support tube, the bottom support beam group comprises two symmetrical lower support tubes, the front end and the rear end of each lower support tube are respectively reinforced by a strip-shaped plate and a cross rod, the front end of the top support beam group is connected with the bottom support beam group by a head tube, the rear end of the bottom support beam group is connected to the bottom of the rear end of the top support beam group, the tail frame is arranged at the rear ends of the top support beam group and the bottom support beam group, and the tail frame comprises a telescopic part and a diagonal bracing group.

Further, the telescopic part comprises a U-shaped bending rod, two transverse ends of the bending rod are respectively fixed with an inserting end, and the two inserting ends are respectively inserted into the tail parts of the two upper supporting tubes and are connected through a positioning piece.

Through the technical scheme, the tail part of the frame can be telescopic, so that different use requirements can be met.

Further, the locating piece is a button spring piece, and a plurality of groups of locating grooves matched with the locating piece are formed in the tail of the supporting tube.

Through the technical scheme, the telescopic device is more convenient to fix, and meanwhile, extra tools are not needed to be used when the telescopic position is changed.

Further, the diagonal bracing group comprises two diagonal bracing rods fixed at the bottoms of the bending rods, positioning clamping plates are fixed at the bottoms of the two diagonal bracing rods, positioning inserting plates matched with the positioning clamping plates are fixed at the back surfaces of the two lower supporting tubes, and the positioning clamping plates and the positioning inserting plates located at the same side penetrate through and fix first inserting holes and second inserting holes formed in the inner walls of the diagonal bracing groups through bolts.

Through the technical scheme, the telescopic part can be supported.

Further, the diagonal brace forms a triangle with the upper and lower support bars connected.

Through above-mentioned technical scheme, can guarantee the stability that supports through triangle-shaped's stability.

Further, the first jack is a waist-shaped hole.

Through the technical scheme, when the telescopic part is adapted to different positions, the angle and the position of the bottom are adjusted due to traction.

Further, the bending parts at the back sides of the two lower support pipes are respectively fixed with a hooking plate.

Through the technical scheme, the pedal can be used for installing the pedal according to the requirement.

Compared with the prior art, the utility model has the following beneficial effects:

1. the tail frame is arranged to be of a telescopic structure, so that the tail frame can play a wider adaptation range under the condition that the stability of a normal frame is not affected, and meanwhile, when in telescopic operation, no additional tool is needed, and the whole operation process is simple and convenient.

2. The bottom of the inclined strut used for stable support is arranged in a movable connection mode, so that the angle adaptation can be carried out according to the adjustment of different telescopic lengths of the top, and the normal telescopic function can not be influenced.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a front view of the present utility model.

FIG. 3 is a schematic view of the present utility model in use.

In the figure: the device comprises a top support beam group 1, a bottom support beam group 2, a separation type telescopic part 3, a 31 bending rod, a 32 inserting end, a 33 positioning piece, a 34 positioning groove, a 4 diagonal bracing group, a 41 diagonal bracing rod, a 42 positioning clamping plate, a 43 first jack, a 44 positioning inserting plate, a 5-head pipe, a 6 five-way pipe and a 7-hook grabbing plate.

Detailed Description

In order to facilitate an understanding of the utility model, the device of the utility model will be described more fully below with reference to the accompanying drawings. Examples of the apparatus are given in the accompanying drawings. However, the apparatus may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1-3, this embodiment provides a telescopic frame of afterbody, including a top supporting beam group 1, a bottom supporting beam group 2 and afterbody frame, a top supporting beam group 1 includes two symmetrical upper support pipes, consolidate through the support bar at bottom's stiffening tube and top between two upper support pipes, the middle part of two lower support pipes is fixed with five-way pipe 6, a bottom supporting beam group 2 includes two symmetrical lower support pipes, upper support pipe includes integrated into one piece's first straight line pole, abduction pole and second straight line pole, the stiffening tube is located between two first straight line pole bottoms, be used for consolidating the connectivity to it, the support bar is located between two abduction poles and two second straight line poles, the bending department that is used for fixing the cushion hole of front seat two lower support pipes back has all been fixed with and has grabbed hook plate 7 simultaneously on the surface, be used for installing the running-board. The front and back ends of two lower stay tubes are respectively reinforced through strip plates and cross bars, the front end of a top support beam group 1 is connected with a bottom support beam group 2 through a head pipe 5, the rear end of the bottom support beam group 2 is connected to the bottom of the rear end of the top support beam group 1, a tail frame is mounted at the rear ends of the top support beam group 1 and the bottom support beam group 2, the lower stay tubes comprise integrally formed third linear rods, outer expansion rods and fourth linear rods, a reinforcing pipe is fixed between the two third linear rods, the head pipe 5 is respectively connected with the two first linear rods and the two third linear rods through reinforcing plates, a good fixed connection effect is achieved, and the five-way pipe 6 is fixed on the top tail frames of the two outer expansion rods and comprises a telescopic part 3 and a diagonal bracing group 4.

The telescopic part 3 comprises a U-shaped bending rod 31, two transverse ends of the bending rod 31 are respectively fixed with an inserting end 32, the two inserting ends 32 are respectively inserted into the tail parts of the two upper supporting tubes and are connected through a positioning piece 33, and the tail parts of the supporting tubes are opened, so that the inserting of the inserting ends 32 is facilitated. The positioning piece 33 is a button spring piece (the button spring piece can retract in a groove after being pressed, and the positioning groove 34 loses the limit, so that the work of pulling the bending rod 31 can be realized, the limiting structure is convenient to operate and low in price), the tail part of the supporting tube is provided with a plurality of groups of positioning grooves 34 which are matched with the positioning grooves, the number of the positioning grooves 34 is not less than two, and the adjustment of the telescopic position of the telescopic part 3 can be realized.

The diagonal bracing group 4 comprises two diagonal bracing rods 41 fixed at the bottom of the bending rod 31, and the diagonal bracing rods 41 form a triangle with the upper supporting rod and the lower supporting rod which are connected, so that good stability is achieved, and stable support of the telescopic part 3 in the daily use process is ensured. The bottom ends of the two diagonal braces 41 are both fixed with a locating clamping plate 42, the back surfaces of the two lower supporting tubes are both fixed with a locating plugboard 44 matched with the locating clamping plate 42 (namely, the locating plugboard 44 is inserted into an interlayer between the locating clamping plates 42 to complete clamping), and the locating clamping plates 42 and the locating plugboard 44 positioned at the same side penetrate and fix a first jack 43 and a second jack formed in the inner walls of the locating clamping plates 42 and the locating plugboard 44 through bolts. The first insertion hole 43 is a waist-shaped hole, and by being configured as a waist-shaped hole, since the angle and position between the diagonal brace 41 and the positioning insert plate 44 are also changed when the top expansion portion 3 is adjusted to different positions, the waist-shaped hole can be adapted in real time.

The top of the bending rod 31 is provided with a tail box bracket to realize the function of additionally installing the tail box on the telescopic part 3.

Example 2

The difference from embodiment 1 is that the length of the straight line section of the bending rod 31 is longer, and the number of sets of positioning grooves 34 is larger, so that the seat cushion can be lengthened.

It should be noted that the structure of the present utility model may be implemented in many different forms, and is not limited to the embodiments, and any equivalent transformation made by those skilled in the art using the present specification and the accompanying drawings, or direct or indirect application in other related technical fields, such as loading and unloading of other articles, are included in the protection scope of the present utility model.

Claims

1. The utility model provides a afterbody telescopic frame, includes a top supporting beam group, a bottom supporting beam group and afterbody frame, its characterized in that: the top supporting beam group comprises two symmetrical upper supporting pipes, the two symmetrical upper supporting pipes are reinforced by a reinforcing pipe at the bottom and a supporting bar at the top, the bottom supporting beam group comprises two symmetrical lower supporting pipes, the front end and the rear end of each lower supporting pipe are respectively reinforced by a strip-shaped plate and a cross rod, the middle parts of the lower supporting pipes are fixedly provided with five-way pipes, the front end of the top supporting beam group is connected with the bottom supporting beam group through a head pipe, the rear end of the bottom supporting beam group is connected to the bottom of the rear end of the top supporting beam group, the tail frame is mounted at the rear ends of the top supporting beam group and the bottom supporting beam group, and the tail frame comprises a telescopic part and a diagonal bracing group.

2. A rear telescopic vehicle frame as claimed in claim 1, wherein: the telescopic part comprises a U-shaped bending rod, two transverse ends of the bending rod are respectively fixed with an inserting end, and the two inserting ends are respectively inserted into the tail parts of the two upper supporting tubes and are connected through a positioning piece.

3. A rear telescopic vehicle frame as claimed in claim 2, wherein: the locating piece is a button spring piece, and a plurality of groups of locating grooves matched with the locating piece are formed in the tail of the supporting tube.

4. A rear telescopic vehicle frame as claimed in claim 2, wherein: the diagonal bracing group comprises two diagonal bracing rods fixed at the bottoms of the bending rods, positioning clamping plates are fixed at the bottoms of the two diagonal bracing rods, positioning inserting plates matched with the positioning clamping plates are fixed at the back sides of the two lower supporting tubes, and the positioning clamping plates and the positioning inserting plates located at the same side penetrate through and fix first inserting holes and second inserting holes formed in the inner walls of the two diagonal bracing groups through bolts.

5. A rear telescopic vehicle frame as claimed in claim 4, wherein: and a triangle is formed between the inclined strut and the upper strut and the lower strut which are connected.

6. A rear telescopic vehicle frame as claimed in claim 4, wherein: the first jack is a waist-shaped hole.

7. A rear telescopic vehicle frame as claimed in claim 1, wherein: the bending parts at the back sides of the two lower support pipes are respectively fixed with a hooking plate.