CN217121306U

CN217121306U - Extrusion lengthening mechanism for front wheel supporting core tube of bicycle

Info

Publication number: CN217121306U
Application number: CN202122799214.8U
Authority: CN
Inventors: 陈昂; 王强
Original assignee: Kunshan Fuma Precision Machinery Co ltd
Current assignee: Kunshan Fuma Precision Machinery Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-08-05
Anticipated expiration: 2031-11-16

Abstract

The utility model discloses a bicycle front wheel supports core pipe extrusion and elongates mechanism relates to the technical field of elongation device, including the elongation device of pneumatic cylinder and output installation, the recess that the elongation device was seted up including the one end of connecting rod is one, and sliding connection has the movable rod in the recess one, the one end of movable rod and the one end fixed connection of spring one, the other end of spring one then with the medial surface fixed connection of recess one, the other end of movable rod then is connected with the plugboard through the buffer gear who sets up, is provided with installation mechanism on the plugboard. The utility model discloses in, this device utilizes buffer gear can cushion the vibrations that produce in the elongation device use to can prevent to a certain extent that the elongation device from receiving great vibrations and making the linkage effect variation of elongation device and pneumatic cylinder produce not hard up even, and then avoid influencing the connection stability of elongation device and pneumatic cylinder because of vibrations, thereby can bring certain convenient for the normal function to the elongation device.

Description

Extrusion lengthening mechanism for front wheel supporting core tube of bicycle

Technical Field

The utility model relates to a bicycle processing technology field specifically is a bicycle front wheel support core pipe extrusion elongation mechanism.

Background

The extrusion extension mechanism stable effect is more general for current bicycle front wheel support core, and the concrete implementation is when the operation, can receive great resistance and produce great vibrations, and is more general to the buffering effect of vibrations to can make the joint effect variation of butt joint pipe and pneumatic cylinder produce the condition such as not hard up even, and then can influence the connection stability to butt joint pipe and pneumatic cylinder in the time of a long time.

Therefore, a bicycle front wheel support core tube extruding and drawing mechanism is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bicycle front wheel supports core pipe extrusion and lengthens mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bicycle front wheel supports core pipe extrusion and elongates mechanism, includes the device that elongates of pneumatic cylinder and output installation, the device that elongates includes the recess one that the one end of connecting rod was seted up, and sliding connection has the movable rod in the recess one, the one end of movable rod and the one end fixed connection of spring one, the other end of spring one then with the medial surface fixed connection of recess one, the other end of movable rod then is connected with the plugboard through the buffer gear who sets up, is provided with installation mechanism on the plugboard.

As a further aspect of the present invention: the buffer mechanism includes: recess two, the slide bar, the slide, bolt one, the fixed block, the plugboard, recess three and spring two, recess two is seted up to the one end of movable rod, recess two comprises rectangular channel and bar groove, the slide bar of two symmetric distributions of rectangular channel internal fixation connected with, sliding connection has the slide on the slide bar, respectively between the side of slide and the inside wall of rectangular channel with the both ends fixed connection of spring two, and spring two all cluster establish on the slide bar, the another side fixedly connected with fixed block of slide, three sliding connection of recess seted up on fixed block and the plugboard, and the one end of plugboard is located the bar inslot of recess two, threaded connection has the vertical movable rod that runs through on the movable rod, bolt one of plugboard and fixed block.

As a further aspect of the present invention: the bottom end of the first bolt is in threaded connection with a nut which is matched with the first bolt, and the nut abuts against the bottom surface of the movable rod.

As a further aspect of the present invention: and the upper inner wall and the lower inner wall of the strip-shaped groove in the second groove are fixedly connected with shock pads, and the opposite surfaces of the shock pads are respectively abutted against the upper surface and the lower surface of the plugboard.

As a further aspect of the present invention: the mounting mechanism includes: the plug board is fixedly connected with the slide rail, the slide rail is internally and slidably connected with two slide blocks, the side surfaces of the slide blocks are fixedly connected with a butt joint barrel, and the butt joint barrel is provided with a three-jaw chuck for clamping and connecting a support core pipe.

As a further aspect of the present invention: and the sliding rail is in threaded connection with a second bolt which vertically penetrates through the sliding rail and the sliding block.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, this device utilizes buffer gear can cushion the vibrations that produce in the device use of lengthening to can prevent to a certain extent that the elongation device from receiving great vibrations and making the linkage effect variation of elongation device and pneumatic cylinder produce not hard up even, and then avoid influencing the connection stability of elongation device and pneumatic cylinder because of vibrations, thereby can bring certain convenient for the normal function to the elongation device.

The utility model discloses in, utilize the elasticity of spring two to come to cushion the shock attenuation to the vibrations of the horizontal direction of the junction of bolt one and movable rod, fixed block and plugboard to can prevent to a certain extent that bolt one from taking place the condition such as smooth silk skew because of vibrations, the effect of nut can consolidate bolt one and the movable rod, the inseparable degree of being connected of fixed block and plugboard, the shock pad can cushion the shock attenuation to the vibrations of the upper and lower direction of the junction of bolt one and movable rod, fixed block and plugboard.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic structural view of the middle slide rail of the present invention.

In the figure: 1. a hydraulic cylinder; 2. a connecting rod; 3. a first groove; 4. a first spring; 5. a movable rod; 6. a slider; 7. a slide rail; 8. a docking barrel; 9. a three-jaw chuck; 10. a second groove; 11. a slide bar; 12. a slide plate; 13. a first bolt; 14. a fixed block; 15. a shock pad; 16. a plugboard; 17. a nut; 18. a third groove; 19. a second spring; 20. and a second bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in an embodiment of the present invention, a bicycle front wheel support core tube extrusion elongation mechanism, includes the elongation device of pneumatic cylinder 1 and its output installation, the elongation device includes recess one 3 that one end of connecting rod 2 was seted up, and sliding connection has movable rod 5 in recess one 3, and the one end of movable rod 5 and the one end fixed connection of spring one 4, the other end of spring one 4 then with the medial surface fixed connection of recess one 3, the other end of movable rod 5 is then connected with plugboard 16 through the buffer gear who sets up, is provided with installation mechanism on plugboard 16.

The buffer mechanism includes: a second groove 10, a second sliding rod 11, a sliding plate 12, a first bolt 13, a fixed block 14, a plug board 16, a third groove 18 and a second spring 19, wherein the second groove 10 is formed at one end of the movable rod 5, the second groove 10 is composed of a rectangular groove and a strip-shaped groove, the two sliding rods 11 which are symmetrically distributed are fixedly connected in the rectangular groove, the sliding plate 12 is slidably connected on the sliding rod 11, one side surface of the sliding plate 12 and the inner side wall of the rectangular groove are fixedly connected with two ends of the second spring 19 respectively, the second spring 19 is arranged on the sliding rod 11 in a stringing manner, the fixed block 14 is fixedly connected on the other side surface of the sliding plate 12, the fixed block 14 is slidably connected with the third groove 18 formed in the plug board 16, one end of the plug board 16 is positioned in the strip-shaped groove of the second groove 10, the movable rod 5 is in threaded connection with the first bolt 13 which vertically penetrates through the movable rod 5, the plug board 16 and the fixed block 14, and the first bolt 13 and the movable rod 5 are matched by the elasticity of the second spring 19, The horizontal vibration at the joint of the fixing block 14 and the inserting plate 16 is buffered, so that the first bolt 13 can be prevented from slipping due to vibration to a certain extent.

The bottom end of the first bolt 13 is in threaded connection with a nut 17 which is matched with the first bolt, the nut 17 abuts against the bottom surface of the movable rod 5, and the nut 17 is used for reinforcing the connection tightness between the first bolt 13 and the movable rod 5, between the fixed block 14 and between the first bolt and the insertion plate 16.

Equal fixedly connected with shock pad 15 on the upper and lower inner wall of the bar groove in recess two 10, and the opposite face of shock pad 15 offsets with the upper and lower face of plugboard 16 respectively, and shock pad 15 can cushion the shock attenuation to the vibrations of the upper and lower direction of the junction of bolt one 13 and movable rod 5, fixed block 14 and plugboard 16.

The mounting mechanism includes: slide rail 7, slider 6, a butt joint section of thick bamboo 8 and three-jaw chuck 9, fixedly connected with slide rail 7 on the plugboard 16, sliding connection has two sliders 6 in the slide rail 7, and the equal fixedly connected with butt joint section of thick bamboo 8 in the side of its slider 6, and install the three-jaw chuck 9 that is used for the joint to catch the support core pipe on the butt joint section of thick bamboo 8, utilize the three-jaw chuck 9 on the butt joint section of thick bamboo 8 to be connected with the elongation device and install.

And a second bolt 20 vertically penetrating through the sliding rail 7 and the sliding block 6 is in threaded connection with the sliding rail 7.

The working principle is as follows: this device utilizes buffer gear can cushion the vibrations that produce in the device use of lengthening to can prevent to a certain extent that the device that elongates from receiving great vibrations and making the linkage effect variation of elongation device and pneumatic cylinder 1 produce not hard up even, and then avoid influencing the connection stability of elongation device and pneumatic cylinder 1 because of vibrations, thereby can bring certain convenience for the normal operation to the elongation device.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a bicycle front wheel supports core pipe extrusion and elongates mechanism, includes pneumatic cylinder (1) and the device that elongates of output installation, a serial communication port, it includes recess (3) that connecting rod (2) one end was seted up to lengthen the device, and sliding connection has movable rod (5) in recess (3), the one end of movable rod (5) and the one end fixed connection of spring (4), the other end of spring (4) then with the medial surface fixed connection of recess (3), the other end of movable rod (5) then is connected with plugboard (16) through the buffer gear who sets up, be provided with installation mechanism on plugboard (16).

2. The bicycle front wheel support core tube extrusion elongation mechanism of claim 1, wherein said cushioning mechanism comprises: a second groove (10), a second sliding rod (11), a sliding plate (12), a first bolt (13), a fixed block (14), an insertion plate (16), a third groove (18) and a second spring (19), wherein the second groove (10) is formed in one end of the movable rod (5), the second groove (10) is composed of a rectangular groove and a strip-shaped groove, the two sliding rods (11) which are symmetrically distributed are fixedly connected in the rectangular groove, the sliding plate (12) is connected on the sliding rods (11) in a sliding manner, one side face of the sliding plate (12) and the inner side wall of the rectangular groove are fixedly connected with the two ends of the second spring (19) respectively, the second spring (19) is arranged on the sliding rods (11) in a series manner, the fixed block (14) is fixedly connected to the other side face of the sliding plate (12), the third groove (18) formed in the fixed block (14) and the insertion plate (16) are connected in a sliding manner, and one end of the insertion plate (16) is positioned in the strip-shaped groove of the second groove (10), the movable rod (5) is in threaded connection with a first bolt (13) which vertically penetrates through the movable rod (5), the plug board (16) and the fixed block (14).

3. The bicycle front wheel support core tube extrusion elongation mechanism as claimed in claim 2, characterized in that the bottom end of the first bolt (13) is connected with a nut (17) in a matching way in a threaded manner, and the nut (17) is abutted against the bottom surface of the movable rod (5).

4. The bicycle front wheel support core tube extrusion stretching mechanism as set forth in claim 2, wherein the upper and lower inner walls of the strip-shaped groove in the second groove (10) are fixedly connected with shock absorbing pads (15), and the opposite surfaces of the shock absorbing pads (15) are respectively abutted against the upper and lower surfaces of the inserting plate (16).

5. The bicycle front wheel support core tube extrusion elongation mechanism of claim 1, wherein said mounting mechanism comprises: slide rail (7), slider (6), a butt joint section of thick bamboo (8) and three-jaw chuck (9), fixedly connected with slide rail (7) on plugboard (16), sliding connection has two sliders (6) in slide rail (7), the equal fixedly connected with butt joint section of thick bamboo (8) in side of its slider (6), and install on butt joint section of thick bamboo (8) and be used for the joint to live three-jaw chuck (9) that support the core pipe.

6. The bicycle front wheel support core tube extrusion elongation mechanism as claimed in claim 5, wherein the slide rail (7) is threadedly connected with two bolts (20) vertically penetrating through the slide rail (7) and the slide block (6).