Bicycle handlebar and frame connecting structure

Abstract

The utility model discloses a bicycle handlebar and frame connecting structure, and relates to the technical field of bicycles. The electric bicycle comprises a bicycle frame assembly. The frame assembly comprises an inner threaded pipe, a first lock hole is formed in the peripheral side face of the inner threaded pipe, and a lock groove communicating with the first lock hole is formed in the peripheral side face of the inner threaded pipe. A handlebar assembly is in threaded fit with the inner circumferential side face of the inner threaded pipe. The outer threaded pipe and the inner threaded pipe in the handlebar assembly are in threaded connection, the outer threaded pipe moves downwards, then the inserting rod and the clamping rod are driven to move downwards till the inserting rod and the clamping rod are just matched with the corresponding first lock hole and lock groove in an inserted mode, and therefore assembling of the handlebar assembly and the bicycle frame assembly is completed. The inserting rods and the clamping rods are matched with the corresponding first lock holes and lock grooves in an inserted mode, the firmness of the handlebar assembly and the frame assembly after threaded connection can be effectively improved, the complexity of a traditional screw fixing mode is avoided, and the assembling efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bicycle technical field, especially a bicycle handlebar and frame connecting structure. BACKGROUND

[0002] Bicycle is the main traffic tool of people, with the development of society, bicycle as the environmental protection traffic tool is more and more favored by people, with the continuous improvement of people's life quality, the requirement of bicycle is also continuously improved.

[0003] The connecting mode of the handlebar and the handlepost of the traditional bicycle has two kinds, one is that the middle part of the handlebar is welded with the handlepost, and the welding trace at the connecting place of the handlebar and the handlepost seriously affects the overall appearance of the bicycle, and the welding trace becomes the inevitable flaw on some high-grade bicycles, and the other is that the handlebar and the frame are fixedly connected through multiple bolts, which not only increases the installation operation steps, but also affects the installation efficiency and the long-time use of the bicycle, and the bolts are prone to loosening, thereby affecting the firmness. UTILITY MODEL CONTENTS

[0004] The utility model discloses a bicycle handlebar and frame connecting structure, through the threaded connection of the outer thread pipe and the inner thread pipe in handlebar component, make the outer thread pipe move down, and then drive the plug rod and the clamping rod move down, until the plug rod and the clamping rod just with the corresponding first lock hole and lock groove insert joint cooperation, thereby complete the assembly of handlebar component and frame component, through the plug rod and the clamping rod with the corresponding first lock hole and lock groove insert joint cooperation, can effectively improve the firmness of handlebar component and frame component threaded connection after, avoid the tediousness of traditional screw fixed mode, effectively improve the efficiency of assembly, solve the connecting mode of the handlebar and the handlepost of the existing traditional bicycle has two kinds, one is that the middle part of the handlebar is welded with the handlepost, and the welding trace at the connecting place of the handlebar and the handlepost seriously affects the overall appearance of the bicycle, and the welding trace becomes the inevitable flaw on some high-grade bicycles, and the other is that the handlebar and the frame are fixedly connected through multiple bolts, which not only increases the installation operation steps, but also affects the installation efficiency and the long-time use of the bicycle, and the bolts are prone to loosening, thereby affecting the firmness.

[0005] The utility model discloses a bicycle handlebar and frame connecting structure, including frame assembly, the frame assembly includes the inner thread pipe, the first lock hole is seted up to the inner thread pipe outer circumferential side, the lock groove that the inner thread pipe outer circumferential side sets up is linked with first lock hole, the handlebar assembly is threadedly cooperated to the inner thread pipe inner circumferential side, the handlebar assembly includes the outer thread pipe with the inner thread pipe inner circumferential side threadedly cooperated, the outer top of outer thread pipe is fixedly connected with the extension pipe, the extension pipe outer circumferential side is penetrated and is threadedly connected with the threaded column, the recess is seted up to the one end of threaded column, the plug rod that the recess inner circumferential side is slidably connected with is inserted with first lock hole and cooperates, reset spring is fixedly connected between plug rod and recess, the clamping rod that the circumferential surface of plug rod is fixedly connected with is matched with the lock groove and cooperates, the second lock hole is penetrated and seted up to the circumferential surface of threaded column.

[0006] The utility model further sets up, frame assembly still includes the annular groove that sets up on the inner thread pipe top, the outer circumferential side of inner thread pipe is threadedly connected with sealing ring plate, the outer circumferential side of inner thread pipe sets up the thread that is matched with sealing ring plate.

[0007] The utility model further sets up, handlebar assembly still includes the annular cover plate that fixedly connected on the outer circumferential side of extension pipe, the bottom of annular cover plate is fixedly connected with the annular convex plate that is inserted with annular groove and cooperates.

[0008] The utility model further sets up, handlebar assembly still includes the guide groove that sets up on the inner circumferential side of outer thread pipe symmetrically, the inner wall of two guide grooves is slidably connected with slider, and the top rod that is inserted with second lock hole and cooperates is fixedly connected between two sliders.

[0009] The utility model further sets up, the threaded hole that is matched with threaded column is penetrated and seted up to the outer circumferential side of extension pipe, and the arrow mark is seted up to the circumferential surface of plug rod.

[0010] The utility model further sets up, the handle body is welded to the top of extension pipe, and the sealing sleeve is installed on the outer wall of annular convex plate.

[0011] The utility model has the following beneficial effects: 1, the utility model passes through the threaded column threaded connection on the outer extension pipe, then, by pulling the card rod moves to the recess direction close, make the card rod and the inner thread pipe inner wall abut, subsequently the outer thread pipe of handlebar assembly and inner thread pipe are threaded connection, make the outer thread pipe move down, and then drive the plug rod and the card rod move down, until the plug rod and the card rod just with the corresponding first lock hole and lock groove plug -in cooperation, thereby complete the assembly of handlebar assembly and frame assembly, through the plug rod and the card rod and the corresponding first lock hole and lock groove plug -in cooperation, can effectively improve the firmness after handlebar assembly and frame assembly threaded connection, avoid the tediousness of traditional screw fixing mode, effectively improve the efficiency of assembly.

[0012] 2, the utility model passes through handlebar assembly and frame assembly threaded connection, make annular convex board plug -in in annular groove, and the sealing ring plate cover is equipped on the first lock hole and lock groove, effectively improve the sealing property of inner thread pipe, and then improve the service life of inner thread pipe.

[0013] 3, the utility model passes through the threaded connection of outer thread pipe and inner thread pipe, make the top rod in the outer thread pipe and the inner bottom of inner thread pipe abut, along with the outer thread pipe continues to move down, under the cooperation of slider and guide groove, make the top rod move up, make the top rod and the second lock hole in threaded column plug -in cooperation, thereby avoid handlebar assembly and frame assembly after installation, the deflection of threaded column, and affect the firmness of handlebar assembly and frame assembly. ACCURATE DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0015] Figure 1 It is a structure schematic view of a bicycle handlebar and frame connecting structure.

[0016] Figure 2 It is a structure schematic view of the frame assembly in the utility model.

[0017] Figure 3 It is a sectional structure schematic view of the connection of inner thread pipe, first lock hole and lock groove in the utility model.

[0018] Figure 4 It is a structure schematic view of the handlebar assembly in the utility model.

[0019] Figure 5 It is a sectional structure schematic view of Figure 4 .

[0020] Figure 6 For Figure 5 Enlarged view at A in the middle.

[0021] Figure 7 For the structure diagram of the connection between the threaded column, the insertion rod and the clamping rod in the utility model.

[0022] Figure 8 For the structure diagram of the connection between the threaded column, the insertion rod and the clamping rod in the utility model.

[0023] In the drawings, the components represented by each reference numeral are listed as follows:

[0024] 1 - frame assembly, 101 - inner threaded tube, 102 - first lock hole, 103 - lock groove, 104 - annular groove, 105 - sealing ring plate, 106 - thread, 2 - handlebar assembly, 201 - outer threaded tube, 202 - extension tube, 203 - threaded column, 204 - insertion rod, 205 - return spring, 206 - clamping rod, 207 - second lock hole, 208 - annular cover plate, 209 - annular convex plate, 210 - guide groove, 211 - sliding block, 212 - ejector rod, 213 - threaded hole, 214 - arrow mark, 215 - handlebar body. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Specific embodiment one, please refer to Figures 1-8The utility model discloses a bicycle handlebar and frame connecting structure, including frame assembly 1 (frame assembly 1 does not draw the whole shape of frame completely), frame assembly 1 includes inner threaded tube 101, and the first lock hole 102 is seted up on the outer circumferential side of inner threaded tube 101, and the lock groove 103 that the first lock hole 102 is linked with is seted up on the outer circumferential side of inner threaded tube 101, and the handlebar assembly 2 is cooperated with the inner circumferential side of inner threaded tube 101, and the handlebar assembly 2 includes the outer threaded tube 201 that cooperates with the inner circumferential side of inner threaded tube 101, and the outer threaded tube 201 outer top fixedly connected has the extension pipe 202, and the extension pipe 202 outer circumferential side is penetrated and is connected with the threaded column 203, and the threaded column 203 one end is seted up with recess, and the recess inner circumferential side slidingly connects with the plug rod 204 that the first lock hole 102 inserts and cooperates, and the plug rod 204 and recess between fixedly connected have reset spring 205, and the circumferential side of plug rod 204 fixedly connected has the clamping rod 206 that the lock groove 103 is clamped and cooperates, and the circumferential side of threaded column 203 is penetrated and is seted up with the second lock hole 207.

[0027] The operation process of the embodiment is as follows: first, the threaded column 203 is threadedly connected on the outer extension pipe 202, then, by pulling the clamping rod 206 to move towards the recess direction, the clamping rod 206 is abutted with the inner wall of the inner threaded tube 101 (at this time, the reset spring 205 is compressed), subsequently, the outer threaded tube 201 in the handlebar assembly 2 is threadedly connected with the inner threaded tube 101, the outer threaded tube 201 is moved downwards, thereby driving the plug rod 204 and the clamping rod 206 to move downwards, until the plug rod 204 and the clamping rod 206 are just inserted and cooperated with the corresponding first lock hole 102 and the lock groove 103, thereby completing the assembly of the handlebar assembly 2 and the frame assembly 1, through the plug rod 204 and the clamping rod 206 being inserted and cooperated with the corresponding first lock hole 102 and the lock groove 103, the firmness after the handlebar assembly 2 and the frame assembly 1 are threadedly connected can be effectively improved, the complexity of the traditional screw fixing mode is avoided, and the assembly efficiency is effectively improved.

[0028] Specific embodiment two, please refer to Figures 1-8 On the basis of the specific embodiment one, the frame assembly 1 further includes an annular groove 104 formed on the top of the inner threaded tube 101, the inner threaded tube 101 is threadedly connected with a sealing ring plate 105 on the outer circumferential side, the inner threaded tube 101 is provided with a thread 106 matched with the sealing ring plate 105 on the outer circumferential side, and the handlebar assembly 2 further includes an annular cover plate 208 fixedly connected on the outer circumferential side of the extension pipe, and the bottom of the annular cover plate 208 is fixedly connected with an annular convex plate 209 inserted and cooperated with the annular groove 104.

[0029] The operation process of the embodiment is that: after the handle assembly 2 is screwed with the frame assembly 1, the annular convex plate 209 is inserted into the annular groove 104, and the sealing ring plate 105 covers the first lock hole 102 and the lock groove 103, effectively improving the sealing performance of the inner threaded pipe 101, and further improving the service life of the inner threaded pipe 101.

[0030] Specific embodiment three, please refer to Figures 1-8 On the basis of the specific embodiment one and the specific embodiment two, the handle assembly 2 further comprises two guide grooves 210 symmetrically formed on the inner circumferential side of the outer threaded pipe 201, two sliding blocks 211 are slidably connected to the inner walls of the two guide grooves 210, a top rod 212 is fixedly connected between the two sliding blocks 211 and is inserted into the second lock hole 207, a threaded hole 213 is formed through the outer circumferential side of the extension pipe 202 and is screwed with the threaded column 203, an arrow mark 214 is arranged on the circumferential side of the insertion rod 204, a handle body 215 is welded to the top of the extension pipe 202, and a sealing sleeve is arranged on the outer wall of the annular convex plate 209.

[0031] The operation process of the embodiment is that: during the screwing of the outer threaded pipe 201 with the inner threaded pipe 101, the top rod 212 in the outer threaded pipe 201 abuts against the inner bottom of the inner threaded pipe 101, and as the outer threaded pipe 201 continues to move downward, the top rod 212 moves upward under the cooperation of the sliding block 211 and the guide groove 210, and the top rod 212 is inserted into the second lock hole 207 in the threaded column 203, thereby avoiding the deflection of the threaded column 203 after the installation of the handle assembly 2 with the frame assembly 1, and affecting the firmness of the handle assembly 2 with the frame assembly 1.

[0032] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A bicycle handlebar-to-frame connection structure comprising a frame assembly (1); characterized in that: The frame assembly (1) includes an inner threaded pipe (101), the outer peripheral side of the inner threaded pipe (101) is provided with a first lock hole (102), and the outer peripheral side of the inner threaded pipe (101) is provided with a lock groove (103) in communication with the first lock hole (102); The inner peripheral side of the inner threaded pipe (101) is threadedly connected with a handlebar assembly (2), the handlebar assembly (2) includes an outer threaded pipe (201) threadedly connected with the inner peripheral side of the inner threaded pipe (101), the outer top of the outer threaded pipe (201) is fixedly connected with an extension pipe (202), and the outer peripheral side of the extension pipe (202) is threadedly connected with a threaded column (203); One end of the threaded column (203) is provided with a groove, the inner peripheral side of the groove is slidably connected with a plug rod (204) inserted into the first lock hole (102), a return spring (205) is fixedly connected between the plug rod (204) and the groove, the peripheral side of the plug rod (204) is fixedly connected with a clamping rod (206) clamped into the lock groove (103), and the peripheral side of the threaded column (203) is provided with a second lock hole (207).

2. A handlebar-to-frame connection structure for a bicycle according to claim 1, wherein The frame assembly (1) further includes an annular groove (104) formed on the top of the inner threaded pipe (101), the outer peripheral side of the inner threaded pipe (101) is threadedly connected with a sealing ring plate (105), and the outer peripheral side of the inner threaded pipe (101) is provided with a thread (106) matched with the sealing ring plate (105).

3. A handlebar-to-frame connection structure for a bicycle according to claim 2, wherein The handlebar assembly (2) further includes an annular cover plate (208) fixedly connected to the outer peripheral side of the extension pipe, and the bottom of the annular cover plate (208) is fixedly connected with an annular convex plate (209) inserted into the annular groove (104).

4. A handlebar-to-frame connection structure for a bicycle according to claim 3, wherein The handlebar assembly (2) further includes guide grooves (210) symmetrically formed on the inner peripheral side of the outer threaded pipe (201), and the inner walls of the two guide grooves (210) are slidably connected with sliding blocks (211), and the two sliding blocks (211) are fixedly connected with a jacking rod (212) inserted into the second lock hole (207).

5. A handlebar-to-frame connection structure for a bicycle according to claim 4, wherein The outer peripheral side of the extension pipe (202) is provided with a threaded hole (213) threadedly connected with the threaded column (203), and the peripheral side of the plug rod (204) is provided with an arrow mark (214).

6. A handlebar-to-frame connection structure for a bicycle according to claim 5, wherein The top of the extension pipe (202) is welded with a handle body (215), and the outer wall of the annular convex plate (209) is provided with a sealing sleeve.

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