CN211196481U

CN211196481U - Electric bicycle molding lower pipe connecting structure

Info

Publication number: CN211196481U
Application number: CN201922315355.0U
Authority: CN
Inventors: 沈胜阳; 高永军
Original assignee: Pinshangjia Bicycle Shenzhen Co ltd
Current assignee: Pinshangjia Bicycle Shenzhen Co ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-08-07
Anticipated expiration: 2029-12-21

Abstract

The utility model belongs to the technical field of bicycle low tube connection structure technique and specifically relates to an electric bicycle molding low tube connection structure, including the low tube main part, it has the adapter to peg graft on the tip inner wall of low tube main part, the welding has the connection to weld between the tip of adapter and low tube main part, the first adapter sleeve of the equal fixedly connected with in both sides of low tube main part. By arranging the adapter, the end part of the lower pipe main body can be changed in a connection mode by inserting different adapters, the effect of grinding integration is achieved by combining and welding the adapter and the end part of the lower pipe main body, and the connection functionality of the lower pipe main body is improved; through being connected with the barrel-shaped shell of shelving on will putting down on the main part inclined plane of pipe, conveniently ride passerby and shelve article such as beverage to under elasticity fixture's effect, make two grip blocks carry out the centre gripping to article such as beverage, improve stability, make full use of low pipe main part up end space.

Description

Electric bicycle molding lower pipe connecting structure

Technical Field

The utility model relates to a bicycle low tube connection structure technical field especially relates to an electric bicycle molding low tube connection structure.

Background

The patent document with publication number CN207943131U in the prior art discloses an electric bicycle integrated lower tube motor seat, wherein the lower tube and the motor seat are integrally formed through hydraulic processing, the motor seat is connected to the bottom end of the lower tube, a hollow cavity for installing a battery is formed inside the lower tube along the axial direction, a window corresponding to the battery is formed on the wall surface of the lower tube, and an openable sealing cover is installed at the window in a matching manner. The lower pipe of the electric vehicle and the motor seat are integrally formed, so that the welding step is omitted, the cost of manpower and material resources is reduced, the productivity and the quality of an accessory factory and a frame factory are improved, the safety performance of the frame is improved, and the service life of the frame is prolonged. The battery is arranged in the lower pipe, so that the wiring distribution between the battery and the motor is simplified, and meanwhile, the circuit structure is hidden in the hollow cavity of the lower pipe to be protected. However, in the electric bicycle modeling lower pipe connecting structure, the connecting part of the end part of the lower pipe is fixed, the connecting end structure is fixed, combination connection cannot be performed, the functionality of lower pipe connection is reduced, and a gap of the upper end face of the lower pipe is not utilized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the junction of low tube end portion fixed among this electric bicycle molding low tube connection structure among the prior art, the connecting end structure is fixed, can't carry out the built-up connection, has reduced the functional of low tube connection to the up end space of low tube does not obtain the shortcoming of utilizing, and the electric bicycle molding low tube connection structure who provides.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a lower pipe connecting structure for modeling of an electric bicycle comprises a lower pipe main body, wherein an adapter is inserted into the inner wall of the end part of the lower pipe main body, a connecting weld is welded between the adapter and the end part of the lower pipe main body, first connecting sleeves are fixedly connected to the two sides of the lower pipe main body, second connecting sleeves are respectively fixedly connected to the two sides of the adapter, connecting rods are jointly and slidably connected to the inner walls of the first connecting sleeves and the second connecting sleeves which are positioned on the same side, a first limiting block is fixedly connected to the back surface of each connecting rod, a threaded sleeve is connected to the end part, far away from the first limiting block, of each connecting rod in a threaded manner, an installation sliding block is fixedly connected to the surface of each connecting rod, a first reset spring is sleeved on the surface of each connecting rod, the two ends of each first reset spring are, the bottom of the mounting sliding block is in contact with the top of the lower pipe main body, the top of the mounting sliding block is fixedly connected with a barrel-shaped placing shell, two sides of the inner wall of the barrel-shaped placing shell are both connected with pushing pins through elastic clamping mechanisms, and the end parts of the pushing pins penetrate into the barrel-shaped placing shell and are fixedly connected with clamping plates.

Preferably, the back fixedly connected with of adapter inserts the body, adapter sliding connection is on the inner wall of low tube main part.

Preferably, the end part, far away from the first limiting block, of the connecting rod is provided with an external thread, and the external thread at the end part of the connecting rod is matched with the internal thread of the thread sleeve.

Preferably, the elastic clamping mechanism comprises two connecting plates, the two connecting plates are symmetrically arranged on two sides of the barrel-shaped placing shell and fixedly connected to the outer end of the pushing pin, the top ends of the two connecting plates are jointly and slidably connected with a connecting pin, two ends of the connecting pin are fixedly connected with second limiting blocks, two symmetrically arranged return springs are sleeved on the surface of the connecting pin, and two ends of each return spring are fixedly connected to the inner side of each second limiting block and the outer side of the connecting plate respectively.

Preferably, the end of the clamping plate extends out of the placing opening of the barrel-shaped placing shell, and the end of the clamping plate extends outwards in an arc-shaped surface.

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

1. the utility model discloses a set up the adapter for the tip of low tube main part can realize the change of connected mode through the different adapter of pegging graft, through the tip built-up welding that will connect with the low tube main part and reach the effect of grinding the integral type, has improved the functionality that the low tube main part is connected.

2. Through being connected with the barrel-shaped shell of shelving on will putting down on the main part inclined plane of pipe, conveniently ride passerby and shelve article such as beverage to under elasticity fixture's effect, make two grip blocks carry out the centre gripping to article such as beverage, improve stability, make full use of low pipe main part up end space.

Drawings

Fig. 1 is a first exploded view of a lower tube connecting structure of an electric bicycle model according to the present invention;

fig. 2 is a second exploded view of the lower tube connecting structure of the electric bicycle model of the present invention;

fig. 3 is a perspective view of the lower tube connecting structure of the electric bicycle model of the present invention.

In the figure: the pipe-laying device comprises a lower pipe main body 1, an adapter 2, a connecting weld 3, a first connecting sleeve 4, a second connecting sleeve 5, a connecting rod 6, a first limiting block 7, a threaded sleeve 8, a first return spring 9, an installation sliding block 10, a barrel-shaped placing shell 11, a pushing pin 12, a clamping plate 13, a connecting plate 14, a connecting pin 15, a second limiting block 16, a second return spring 17 and a plug-in body 18.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The electric bicycle modeling lower pipe connecting structure shown in fig. 1-3 comprises a lower pipe main body 1, an adapter 2 is inserted into the inner wall of the end part of the lower pipe main body 1, a connecting weld 3 is welded between the adapter 2 and the end part of the lower pipe main body 1, an inserting body 18 is fixedly connected to the back surface of the adapter 2, the adapter 2 is connected onto the inner wall of the lower pipe main body 1 in a sliding mode, through the arrangement of the inserting body 18, the function of adding a supporting body between the adapter 2 and the inner wall of the end part of the lower pipe main body 1 is achieved, through the arrangement of the adapter 2, the end part of the lower pipe main body 1 can be changed in a connecting mode through different inserting and connecting adapters 2, the effect of grinding an integrated type is achieved through the end part combination welding of the adapter and the lower pipe main body.

The equal first adapter sleeve 4 of fixedly connected with in both sides of low tube main part 1, adapter 2's both sides difference fixedly connected with second adapter sleeve 5, be located common sliding connection on the inner wall of the first adapter sleeve 4 and the second adapter sleeve 5 of homonymy and have connecting rod 6, the first stopper 7 of back fixedly connected with of connecting rod 6, the tip threaded connection that first stopper 7 was kept away from to connecting rod 6 has thread bush 8, the external screw thread has been seted up to the tip that first stopper 7 was kept away from to connecting rod 6, the external screw thread of connecting rod 6 tip and the internal thread looks adaptation of thread bush 8, threaded connection through thread bush 8 and connecting rod 6 tip, the effect of locating connecting rod 6 on the inner wall of first adapter sleeve 4 and second adapter sleeve 5 has been played.

The surfaces of the two connecting rods 6 are fixedly connected with an installation slide block 10 together, the surface of the connecting rod 6 is sleeved with a first reset spring 9, two ends of the first reset spring 9 are fixedly connected to the back surface of the installation slide block 10 and the front surface of the first connecting sleeve 4 respectively, the bottom of the installation slide block 10 is contacted with the top of the lower pipe main body 1, the top of the installation slide block 10 is fixedly connected with a barrel-shaped placing shell 11, two sides of the inner wall of the barrel-shaped placing shell 11 are both connected with a pushing pin 12 through an elastic clamping mechanism, the end part of the pushing pin 12 penetrates into the barrel-shaped placing shell 11 and is fixedly connected with a clamping plate 13, the end part of the clamping plate 13 extends out of a placing opening of the barrel-shaped placing shell 11, the end part of the clamping plate 13 extends outwards in an arc surface, the function of conveniently inserting articles such as beverages and the like into the barrel-shaped placing shell 11 is achieved by arranging the, the effect of the end sliding connection of maintaining connecting rod 6 on the inner wall of second adapter sleeve 5 has been played, and convenient connection through being connected with bucket-shaped shelve shell 11 on the 1 inclined plane of lower pipe main part, conveniently rides passerby and shelve articles such as beverage to under elasticity fixture's effect, make two grip blocks 13 carry out the centre gripping to articles such as beverage, improve stability, make full use of lower pipe main part up end space.

The elastic clamping mechanism comprises two connecting plates 14, the two connecting plates 14 are symmetrically arranged at two sides of the barrel-shaped placing shell 11 and are fixedly connected at the outer end of the pushing pin 12, the top ends of the two connecting plates 14 are jointly and slidably connected with a connecting pin 15, two ends of the connecting pin 15 are both fixedly connected with second limiting blocks 16, two symmetrically arranged return springs 17 are sleeved on the surface of the connecting pin 15, two ends of each return spring 17 are respectively and fixedly connected at the inner side of each second limiting block 16 and the outer side of each connecting plate 14, the state of the two connection plates 14 is maintained by the urging of the two return springs 17, the synchronizing connection plate 14 maintains the state of the holding plate 13 by the urging pins 12, when inserting the living beverage, the two clamping plates 13 are pressed outwards, so that under the reset force of the reset spring 17, a certain clamping effect is achieved, and the stability of the beverage bottles and other articles in the barrel-shaped placing shell 11 is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electric bicycle molding low tube connection structure, includes low tube main part (1), its characterized in that, it has adapter (2) to peg graft on the tip inner wall of low tube main part (1), the welding has connect between the tip of adapter (2) and low tube main part (1) welds (3), the equal fixedly connected with first adapter sleeve (4) in both sides of low tube main part (1), the both sides of adapter (2) are fixedly connected with second adapter sleeve (5) respectively, lie in the homonymy first adapter sleeve (4) with common sliding connection has connecting rod (6) on the inner wall of second adapter sleeve (5), the back fixedly connected with first stopper (7) of connecting rod (6), the tip threaded connection that first stopper (7) were kept away from to connecting rod (6) has thread bush (8), two the common fixedly connected with installation slider (10) in connecting rod (6) surface, the surface of connecting rod (6) has cup jointed first reset spring (9), the both ends of first reset spring (9) are fixed connection respectively and are being installed the back of slider (10) and the front of first connecting sleeve (4), the bottom of installation slider (10) and the top of low tube main part (1) contact each other, the barrel-shaped shell (11) of shelving of top fixedly connected with of installation slider (10), the both sides of barrel-shaped shell (11) inner wall of shelving all are connected with through elasticity fixture and promote round pin (12), the tip that promotes round pin (12) penetrates the inside of barrel-shaped shell (11) of shelving and fixedly connected with grip block (13).

2. The electric bicycle model lower pipe connecting structure as claimed in claim 1, wherein the back of the adapter (2) is fixedly connected with an inserting body (18), and the adapter (2) is slidably connected to the inner wall of the lower pipe main body (1).

3. The electric bicycle model lower pipe connecting structure as claimed in claim 1, wherein the end of the connecting rod (6) far away from the first limiting block (7) is provided with an external thread, and the external thread at the end of the connecting rod (6) is matched with the internal thread of the thread bushing (8).

4. The electric bicycle model lower pipe connecting structure according to claim 1, wherein the elastic clamping mechanism comprises two connecting plates (14), the two connecting plates (14) are symmetrically arranged at two sides of the barrel-shaped placing shell (11) and fixedly connected at the outer end of the pushing pin (12), the top ends of the two connecting plates (14) are jointly and slidably connected with a connecting pin (15), the two ends of the connecting pin (15) are fixedly connected with second limit blocks (16), two symmetrically arranged return springs (17) are sleeved on the surface of the connecting pin (15), and the two ends of the return springs (17) are respectively and fixedly connected at the inner side of the second limit blocks (16) and the outer side of the connecting plates (14).

5. The electric bicycle model lower pipe connecting structure as claimed in claim 1, wherein the end of the clamping plate (13) extends out of the resting opening of the barrel-shaped resting shell (11), and the end of the clamping plate (13) extends outward in an arc-shaped surface.