CN217864545U - Vertical tube buffering shock-absorbing set structure - Google Patents

Abstract

A vertical tube buffering and shock-absorbing assembly structure comprises a main shock-absorbing tube inserted in a tube channel of a front buffering frame assembly, a buffering assembly arranged in the main shock-absorbing tube, a vertical tube and a headset assembly arranged at one end of the buffering assembly, wherein one end of the buffering assembly is exposed out of the top end of the main shock-absorbing tube; the upper end cover group is arranged at one end of the buffer component which protrudes out of the main shock absorption pipe and is propped against the top end of the vertical pipe; the lower tightening set is arranged at the bottom end of the main shock absorption pipe and comprises a lower sealing piece, a lock bolt, a tightening piece and a limiting fixture block, one end of the lower sealing piece is arranged at the bottom end of the main shock absorption pipe, the other end of the lower sealing piece is concavely provided with a locking part, one end of the lock bolt is locked to the locking part, the other end of the lock bolt is in threaded connection with the tightening piece, the lock bolt is sleeved on the limiting fixture block, and the position of the limiting fixture block is arranged between the lower sealing piece and the tightening piece.

Description

Vertical tube buffering shock-absorbing set structure

Technical Field

A vertical tube buffering shock-absorbing assembly structure is applied to the technology in the field of bicycles, and mainly provides convenience and rapidness for a maintainer and an assembler to mount a shock-absorbing assembly of a vertical tube of a bicycle, so that more operation time is saved, and the shock-absorbing assembly can be mounted and positioned correctly.

Background

When a bicycle is ridden, the bicycle is disliked to run into a bumpy road or a stone road, because the tires of the bicycle are easy to damage when the bicycle is ridden, and the bicycle is very uncomfortable for a rider, the bicycle is basically provided with the shock-absorbing group, and the effect of buffering is further achieved.

When assembling the shock absorbing assembly, in order to stabilize the shock absorbing assembly in the vertical tube, a fixing member, also known in the art as a "plum blossom piece", is installed in the vertical tube, and please refer to patent number M626028 "vertical tube buffering shock absorbing locking structure", in which the positioning ring piece is a plum blossom piece, and the installation of the plum blossom piece must be firstly installed from the bottom end of the vertical tube, and the plum blossom piece is knocked to the positioning by a special tool, and then the shock absorbing body is inserted from the top end of the vertical tube.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the main technical problem that overcomes the above-mentioned defect that prior art exists, and provide a standpipe buffering group's structure of moving away to avoid possible earthquakes, make maintenance person, assembly person can be more convenient, faster at the installation, and reducible more equipment activity duration.

The utility model provides a technical scheme that its technical problem adopted is:

a vertical tube buffering and shock-absorbing assembly structure is assembled with a vertical tube and a head bowl assembly and is arranged on a front buffering frame assembly arranged on a head tube, one end of the head bowl assembly is arranged at the bottom end of the vertical tube, and the other end of the head bowl assembly is sleeved on the front buffering frame assembly and is overlapped on the head tube; an upper end cover set which is set at one end of the buffer component projecting the main shock tube and is propped against the top end of the vertical tube; and a lower packing member, which is assembled at the bottom end of the main shock-absorbing tube, the lower packing member comprises a lower packing piece, a lock bolt, a packing piece and a limit fixture block, one end of the lower packing piece is assembled at the bottom end of the main shock-absorbing tube and is sealed, the other end of the lower packing piece is concavely provided with a locking part, one end of the lock bolt is locked at the locking part, the other end of the lock bolt is screwed with the packing piece, in addition, the limit fixture block is sleeved at the lock bolt, and the position of the limit fixture block is arranged between the lower packing piece and the packing piece.

The beneficial effects of the utility model are that, make maintainer, assembler can be more convenient, faster in the installation, and reducible more equipment activity duration.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of the combination of the present invention with a vertical tube, a headset, a head tube and a front bumper assembly.

Fig. 2 is an exploded view of the assembly of the vertical tube, the headset and the front bumper assembly of the present invention.

Fig. 3 is a detailed exploded view of fig. 2.

Fig. 4 is a partially re-exploded view of fig. 3.

FIG. 5 is a cross-sectional view of the V-V line shown in FIG. 1.

Fig. 6 is a partially enlarged view of fig. 5.

Fig. 7 is a partially enlarged view of fig. 6.

FIG. 8 is a schematic diagram showing the movement of the limiting block and the outer ring portion abutting against the inner wall surface of the tube passage of the front cushion frame assembly after the urging member in FIG. 7 is urged against the lock pin.

The reference numbers in the figures illustrate:

standpipe 100

Head bowl group 200

Head pipe 300

Front bumper bracket set 400

Tube channel 500

Main shock absorbing pipe 1

Buffer assembly 2

Inner tube body 21

First buffer spring 22

Second buffer spring 23

Upper limit stopper 24

Lower limit stopper 25

Shaft member 26

Retainer ring 261

Upper end cover group 3

Main end cap 31

Clamping part 311

Secondary end cap assembly 32

Plug-in part 321

Shaft core 33

Lower pressing group 4

Lower closure member 41

Locking part 411

Lock bolt 42

Packing member 43

Position limiting latch 44

Shaft portion 441

Outer ring part 442

Flap 442A

Through hole 443

Bearing 5

Soft plug 6

Step 61

Gasket 7

Pad body 8

Buffer sheet 81

Raised grains 82

Buffer channel 83

Backing ring 9

Detailed Description

In order to clearly illustrate the above objects and functions of the present invention, the embodiments of the present invention will be described in detail with reference to the drawings. Referring to fig. 1 to 8, a vertical tube buffering shock-absorbing assembly structure of the present invention is assembled with a vertical tube 100 and a headset 200, and is installed on a front buffering frame assembly 400 installed on a head tube 300, one end of the headset 200 is installed at the bottom end of the vertical tube 100 (the bottom end of the right side of the vertical tube 100 is shown in fig. 5), and the other end of the headset 200 is sleeved on the front buffering frame assembly 400 and is overlapped on the head tube 300, which includes a main shock-absorbing tube 1 inserted in a tube channel 500 of the front buffering frame assembly 400, a buffering assembly 2 installed in the main shock-absorbing tube 1, one end of the buffering assembly 2 is exposed at the top end of the main shock-absorbing tube 1, and the vertical tube 100 and the headset 200 are installed at one end of the buffering assembly 2; an upper end cap set 3 assembled on one end of the buffer component 2 protruding the main shock tube 1 and abutting against the top end of the vertical tube 100; and a lower packing set 4 assembled at the bottom end of the main shock tube 1, the lower packing set 4 comprising a lower packing member 41, a locking bolt 42, a packing member 43 and a limit fixture block 44, the lower packing member 41 having one end assembled at the bottom end of the main shock tube 1 and sealed, the other end of the lower packing member 41 being concavely provided with a locking portion 411, one end of the locking bolt 42 being locked in the locking portion 411, the other end of the locking bolt 42 being screwed with the packing member 43, the limit fixture block 44 being sleeved on the locking bolt 42 and positioned between the lower packing member 41 and the packing member 43; the vertical tube 100 and the headset 200 are assembled to the top end of the main shock tube 1, and the lower fastening set 4 is assembled to the bottom end of the main shock tube 1, and then the vertical tube 100, the headset 200, the main shock tube 1, and the lower fastening set 4, which are assembled with each other, are directly and together assembled to the head tube 300 and the front bumper bracket set 400, so that the position of the limiting fixture block 44 is not required to be adjusted, and the operation time of maintenance and installation is simplified.

In the prior art, the most expensive is the assembly time, especially the mounting and adjustment of the quincunx, so when the maintainer and the assembler perform the related operations of the present invention, the standpipe 100 and the headset 200 are mounted on the top of the main shock tube 1, and the other end of the main shock tube 1 can be mounted with the lower pressing group 4, after the completion, the end of the main shock tube 1 with the lower pressing group 4 is inserted into the tube channel 500 of the front buffer frame group 400, the headset 200 can be connected with the part of the front buffer frame group 400 protruding from the head tube 300, and the bottom of the headset 200 is attached to the head tube 300, finally, only the tube channel 500 opening arranged at the bottom of the front buffer frame group 400 is needed, a special tool is inserted into the front buffer frame group 400 to drive the fastening piece 43 of the lower pressing group 4, thereby the limit fixture block 44 can be pushed and deformed, and the deformation of the limit fixture block 44 can be adjusted with the tube channel 500 of the front buffer frame group 400, the mounting of the clamping block group can be performed with the quick adjustment, the mounting cost can be achieved without the need of the prior art, the mounting and the mounting can be performed with the practical and the mounting and the installation can be performed quickly, and the present invention can be performed without the mounting and the mounting is convenient and the mounting can be performed at once; to the general knowledge in this field, the step mode of dismantling is also very different, only need first loosen the relative set bar 42 spiral shell of packing piece 43 and unload, make this spacing fixture block 44 do not receive pushing away of packing piece 43 again, so can with the utility model discloses together with standpipe 100, locomotive bowl group 200 take out from head pipe 300, preceding buffer frame group 400 together, the constitution of this structure lets more simple and convenient, quick in the operation.

As shown in fig. 5, the important point of the present invention is that the buffering component 2 providing buffering function can effectively reduce the impact force obtained from riding, so that the buffering component 2 further comprises an inner tube 21, a first buffer spring 22, a second buffer spring 23, an upper limit stopper 24, a lower limit stopper 25 and a shaft 26, wherein one end of the inner tube 21 is inserted into the main shock tube 1, the upper limit stopper 24 and the lower limit stopper 25 are respectively assembled at the top and bottom ends of the inner tube 21, the shaft 26 is assembled with the lower limit stopper 25, one end of the shaft 26 is located inside the inner tube 21, and the other end of the shaft 26 penetrates through the lower limit stopper 25 and is assembled with the lower seal 41; the shaft 26 is located at one end of the inner tube 21 and has a retaining ring 261 protruding from the periphery thereof, two ends of the first buffer spring 22 respectively abut against the upper limiting stopper 24 and the upper end surface of the retaining ring 261, the second buffer spring 23 is sleeved on the shaft 26 and has two ends respectively abut against the lower end surface of the retaining ring 261 and the lower limiting stopper 25, and the impact and vibration of the riding can be reduced by the main damping effect of the first buffer spring 22 and the auxiliary arrangement of the second buffer spring 23 on the first buffer spring 22.

As shown in fig. 5, at least one bearing 5 is further disposed between the inner tube 21 and the main shock tube 1, the at least one bearing 5 is sleeved on the outer circumferential side of the inner tube 21 and clamped by the inner tube 21 and the main shock tube 1, and the main shock tube 1 has the characteristic of axial displacement when bearing the impulsive force and the shock force through the arrangement of the at least one bearing 5, so that the impulsive force and the shock force can be dispersed and reduced along with the axial movement of the main shock tube 1. In addition, the arrangement of the limiting fixture block 44 mainly provides that the main shock absorbing tube 1 and the buffer assembly 2 can be stably installed in the front buffer frame assembly 400, so the limiting fixture block 44 further includes a cylindrical shaft portion 441 and a petal-shaped outer ring portion 442, the shaft portion 441 penetrates through a through hole 443 from the top end to the bottom end, the outer ring portion 442 is annularly installed on the outer circumferential surface of one end of the shaft portion 441, the outer ring portion 442 is formed by arranging a plurality of petals 442A at intervals, each petal extends in a radial and oblique manner, the locking between the lock plunger 42 and the urging member 43 moves toward the limiting fixture block 44 by the urging member 43 and pushes against the shaft portion 441, and because the outer ring portion 442 and the lower plug member 41 are arranged to abut against each other, the movement of the shaft portion 441 can gradually deform and extend outward, so that the outer ring portion 442 can gradually extend against the inner wall surface of the front buffer frame assembly 400 to abut against the tube channel 500, and the shock absorbing function can not be freely moved and can be affected.

In addition, in order to make the main shock tube 1 smooth in the buffering operation, a soft plug 6 and a washer 7 are disposed in the locking portion 411, the soft plug 6 is connected to the shaft 26, and the soft plug 6 is made of elastic plastic, which can mainly absorb part of the impact force during shock buffering; the washer 7 is sleeved on a step portion 61 (shown in fig. 8) at the top end of the soft plug 6 and abuts against the inner wall of the locking portion 411, the step portion 61 is annularly recessed at the top end of the soft plug 6, and the washer 7 is arranged to increase the friction force between the soft plug 6 and the locking portion 411, as shown in fig. 5 to 8. In addition, the shaft 26 further sets a pad 8 through the lower limit stopper 25, the pad 8 includes a plurality of buffer sheets 81, each buffer sheet 81 is stacked and has elastic compression deformation, each buffer sheet 81 is provided with a plurality of protruding grains 82 on the top and bottom surfaces, each protruding grain 82 of each buffer sheet 81 stacked each other is abutted each other, and a buffer channel 83 is formed between each pad 8, the pad 8 is arranged to prevent the utility model discloses in the process of buffering operation, contact and impact between the lower limit stopper 25 and the lower plug 41 unintentionally, please see fig. 5.

Finally, the upper end cap assembly 3 of the present invention mainly includes a main end cap 31, a sub end cap assembly 32 and a shaft core 33, wherein one end of the sub end cap assembly 32 is inserted into the inner tube 21 and is engaged with the upper stopper 24, the other end of the sub end cap assembly 32 is attached to the upright tube 100, the shaft core 33 penetrates through the sub end cap assembly 32, both ends of the shaft core 33 protrude from the sub end cap assembly 32, the protruding end of the shaft core 33 is inserted into the upper stopper 24, the main end cap 31 is engaged with the top end of the sub end cap assembly 32 and is engaged with the protruding end of the shaft core 33, the top end of the sub end cap assembly 32 is further protruded with an insertion portion 321, the bottom surface of the main end cap 31 is provided with a locking portion 311, the main end cap 31 is engaged with the insertion portion 321 of the sub end cap assembly 32 by the locking portion 311, and a cushion ring 9 is provided between the insertion portion 321 and the locking portion, the main end cap assembly 31 is installed in the upright tube assembly 1, the upright tube assembly 200, and the upright tube assembly 300, the suspension bracket assembly 200, and the upright tube assembly 300.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims (8)

1. The utility model provides a standpipe buffering group's structure of moving away to avoid possible earthquakes, its and a standpipe and a locomotive bowl group equipment mutually to install and set up in a preceding buffer frame group of a head pipe, this locomotive bowl group one end is installed in the bottom of this standpipe again, and the other end of this locomotive bowl group then the suit in this preceding buffer frame group and the stack establish at this head pipe, its characterized in that includes:

a main shock tube inserted in a tube channel of the front shock tube assembly, and a buffer assembly installed in the main shock tube, wherein one end of the buffer assembly is exposed out of the top end of the main shock tube, and the vertical tube and the headset are arranged at one end of the buffer assembly exposed out of the main shock tube;

an upper end cover set which is set at one end of the buffer component projecting the main shock tube and is propped against the top end of the vertical tube;

and a lower packing member, which is assembled at the bottom end of the main shock-absorbing tube, the lower packing member comprises a lower packing piece, a lock bolt, a packing piece and a limit fixture block, one end of the lower packing piece is assembled at the bottom end of the main shock-absorbing tube and is sealed, the other end of the lower packing piece is concavely provided with a locking part, one end of the lock bolt is locked at the locking part, the other end of the lock bolt is screwed with the packing piece, in addition, the limit fixture block is sleeved at the lock bolt, and the position of the limit fixture block is arranged between the lower packing piece and the packing piece.

2. The structure of claim 1, wherein the damping assembly further comprises an inner tube, a first damping spring, a second damping spring, an upper limiting stopper, a lower limiting stopper, and a shaft, the inner tube is inserted into the main damping tube, the upper limiting stopper and the lower limiting stopper are respectively assembled at the top and bottom ends of the inner tube, the shaft is assembled with the lower limiting stopper, one end of the shaft is located inside the inner tube, and the other end of the shaft penetrates through the lower limiting stopper and is assembled with the lower plugging member of the lower pressing assembly;

the shaft is further annularly protruded with a ring blocking piece at one end of the inner tube body, two ends of the first buffer spring respectively prop against the upper limit blocking piece and the ring blocking piece, and the second buffer spring is sleeved on the shaft and two ends respectively prop against the ring blocking piece and the lower limit blocking piece.

3. The structure of claim 2, wherein at least one bearing is disposed between the inner tube and the main shock tube, the at least one bearing is sleeved on an outer periphery of the inner tube and clamped by the inner tube and the main shock tube, and the inner tube is axially displaced relative to the main shock tube by the at least one bearing.

4. The stack buffering shock-absorbing assembly structure of claim 1, wherein the limiting fixture block further comprises a shaft portion and an outer ring portion, the shaft portion penetrates through a through hole from top to bottom, the outer ring portion comprises a plurality of flaps spaced apart from each other, each flap extends in a radial shape and obliquely upward, the lock between the lock bolt and the urging member urges the shaft portion to move toward the lower plug member, the movement of the shaft portion causes the outer ring portion to gradually abut against the bottom end of the lower plug member, the outer ring portion is gradually deformed and extends outward by the abutment of the lower plug member, and the extension of the outer ring portion abuts against the inner wall surface of the tube channel of the front buffer frame assembly.

5. The standpipe cushion shock-absorbing assembly structure of claim 2, wherein a soft plug and a washer are further disposed in the locking portion, the soft plug is sleeved on the shaft, an outer peripheral side of a top end of the soft plug is annularly recessed into the step portion, and the washer is sleeved on the soft plug and abuts against the step portion.

6. The structure of a vertical pipe buffering and shock absorbing set as claimed in claim 2, wherein the shaft penetrates through the lower limiting stopper and is further sleeved with a cushion, the cushion comprises a plurality of buffering sheets, each of the buffering sheets is stacked and elastically deformable, each of the buffering sheets has a plurality of protrusions protruding from the top and bottom surfaces, the protrusions of each of the stacked buffering sheets abut against each other, and a buffering channel is formed between the cushions.

7. The stack buffering shock absorbing assembly of claim 2, wherein the upper end cap assembly further comprises a main end cap, a sub end cap assembly and a shaft core, the sub end cap assembly is inserted into the inner tube and connected to the upper limit stopper at one end, the other end of the sub end cap assembly abuts against the stack, the shaft core penetrates through the sub end cap assembly, both ends of the shaft core protrude from the sub end cap assembly, the protruding end of the shaft core is inserted into the upper limit stopper, and the main end cap is sleeved on the top end of the sub end cap assembly and connected to the protruding end of the shaft core.

8. The shock absorbing set structure as claimed in claim 7, wherein the top of the secondary end cap assembly further comprises a plug portion, the bottom of the main end cap assembly comprises a clip portion, the main end cap is connected to the plug portion of the secondary end cap assembly via the clip portion, and a cushion ring is disposed between the plug portion and the clip portion.

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