阅读说明：本技术 一种自行车保养用橡胶握把拆卸设备 (Rubber handle dismounting equipment for bicycle maintenance ) 是由 曾晓奇 于 2021-08-18 设计创作，主要内容包括：本发明涉及一种拆卸设备,尤其涉及一种自行车保养用橡胶握把拆卸设备。本发明的技术问题是：提供一种可代替人工对握把进行拆卸的自行车保养用橡胶握把拆卸设备。本发明的技术实施方案为：一种自行车保养用橡胶握把拆卸设备,包括有中心轴、转动块、卡块、夹紧机构和拆卸机构,中心轴两侧均转动式设有转动块,转动块一端均设有卡块,转动块之间设有夹紧机构,夹紧机构上设有对握把进行拆卸的拆卸机构。旋转卡筒转动便可使握把转动,从而将握把转离自行车头,如此即可无需人工转动握把,进而可节省人力。(The invention relates to a disassembling device, in particular to a disassembling device for a rubber grip for bicycle maintenance. The technical problem of the invention is that: provided is a rubber grip removing device for bicycle maintenance, which can replace manual grip removing. The technical implementation scheme of the invention is as follows: the utility model provides a bicycle maintenance is with rubber handle disassembling equipment, includes center pin, turning block, fixture block, clamping mechanism and disassembly body, and the equal rotary type in center pin both sides is equipped with the turning block, and turning block one end all is equipped with the fixture block, is equipped with clamping mechanism between the turning block, and clamping mechanism is last to be equipped with the disassembly body who dismantles the handle. The rotation of the rotary clamping cylinder can make the handle rotate, so that the handle is rotated away from the head of the bicycle, the handle does not need to be rotated manually, and the labor can be saved.)

1. The utility model provides a bicycle maintenance is with rubber handle dismantlement equipment, characterized by, including center pin (1), turning block (2), fixture block (3), clamping mechanism (4) and disassembly body (5), the equal rotary type in center pin (1) both sides is equipped with turning block (2), turning block (2) one end all is equipped with fixture block (3), is equipped with clamping mechanism (4) between turning block (2), is equipped with on clamping mechanism (4) and carries out the disassembly body (5) of dismantling the handle.

2. The bicycle maintaining rubber grip dismounting device as defined in claim 1, wherein the clamping mechanism (4) comprises a clamping rod (41), clamping plates (42), an installation platform (43) and a first spring (44), the clamping rod (41) is arranged on one side of the rotating block (2) far away from the clamping block (3), the clamping plates (42) are uniformly arranged on one side of the rotating block (2) along the circumferential direction, the installation platform (43) is connected between the clamping plates (42), and the first spring (44) is connected between the rotating blocks (2).

3. The bicycle maintaining rubber grip dismounting device as claimed in claim 2, wherein the dismounting mechanism (5) comprises a dismounting rod (51), a dismounting plate (52), an installation rod (53), a servo motor (54), a sleeve (55) and a rotary clamping cylinder (56), the dismounting rod (51) is arranged in the mounting table (43), the dismounting plate (52) is arranged at one end of the dismounting rod (51), the installation rod (53) is arranged at one side of the dismounting plate (52), the servo motor (54) is arranged at one side, far away from the dismounting rod (51), of the dismounting plate (52), the sleeve (55) is rotatably arranged on the installation rod (53), the rotary clamping cylinder (56) is arranged at one side, far away from the servo motor (54), of the sleeve (55) and an output shaft of the servo motor (54) are connected through a coupler.

4. The bicycle maintaining rubber handle dismounting device as claimed in claim 3, characterized in that the device further comprises a maintaining mechanism (6), the maintaining mechanism (6) comprises a maintaining frame (61), a maintaining box (62), a cover (64), a guide tube (65) and a switch (66), the maintaining frame (61) is symmetrically arranged on one side of the top of the dismounting plate (52) close to the rotary clamping cylinder (56), the maintaining box (62) is connected between one ends of the maintaining frame (61), the cover (64) is slidably arranged on the top of the maintaining box (62), the guide tube (65) is arranged on one side of the maintaining box (62), and the switch (66) is rotatably arranged on one side of the guide tube (65).

5. The bicycle maintaining rubber handle dismounting device according to claim 4, characterized in that it further comprises a guiding mechanism (7), the guiding mechanism (7) comprises a guiding frame (71), a guiding rail (72), a sliding block (73), a guiding rod (74), a second special-shaped rod (75), a second spring (76), a first special-shaped rod (711) and a withdrawing block (712), one side of one maintaining frame (61) is provided with the guiding frame (71), one end of the guiding frame (71) is provided with the guiding rail (72), the guiding rod (74) is arranged in the guiding rail (72), one side of the guiding rod (74) is slidably provided with the sliding block (73), the second spring (76) is connected between one side of the sliding block (73) and the guiding rail (72), the top of the sliding block (73) is provided with the second special-shaped rod (75), one side of the guiding rod (74) close to the sliding block (73) is slidably provided with the first special-shaped rod (711), one end of the first special-shaped rod (711) is provided with the withdrawing block (712), the first profiled bar (711) is slidably engaged with the sleeve (55).

6. The rubber grip dismounting device for bicycle maintenance according to claim 5, characterized in that it further comprises a pressing mechanism (8), the pressing mechanism (8) comprises a pressing table (81), an air box (82), an air inlet pipe (83), a guide block (84), a one-way air inlet valve (85), a pressing rod (86) and a third spring (87), the pressing table (81) is arranged in the middle of one side of the maintenance box (62), the air box (82) is arranged at the top of the pressing table (81), the air inlet pipe (83) is arranged at the top of the air box (82), the air box (82) is communicated with the maintenance box (62), the guide block (84) is symmetrically arranged at one side of the maintenance box (62), the pressing rod (86) is connected between the guide blocks (84) in a sliding manner, the pressing rod (86) is connected with the air inlet pipe (83) in a pressing manner, the third spring (87) is connected between the air inlet pipe (83) and the maintenance rod (86), one side of the air inlet pipe (83) is provided with a one-way air inlet valve (85).

7. The bicycle maintaining rubber grip dismounting device as defined in claim 6, further comprising a dismounting mechanism (9), wherein the dismounting mechanism (9) comprises a dismounting cylinder (91), a fourth spring (92), a push rod (93), a mounting frame (94), a mounting rod (95) and a supporting cylinder (96), the dismounting cylinder (91) is arranged on one side of the dismounting plate (52), the push rod (93) is slidably arranged on one side of the dismounting cylinder (91), the fourth spring (92) is connected between the push rod (93) and the dismounting cylinder (91), the mounting frame (94) is arranged on the servo motor (54), the mounting frame (94) is connected with one side of the dismounting plate (52), the push rod (93) is slidably connected with the mounting frame (94), the mounting rod (95) is arranged at one end of the mounting frame (94), and the supporting cylinder (96) is arranged at one end of the mounting rod (95).

8. A bicycle handle grip release apparatus as defined in claim 7, wherein the cartridge (96) is of rubber material.

Technical Field

The invention relates to a disassembling device, in particular to a disassembling device for a rubber grip for bicycle maintenance.

Background

In order to respond to the call for protecting the environment, many people often select the bicycle as a traffic work when needing to ride instead of walk or go out, the bicycle can also be used as a fitness equipment to ride and exercise, after the bicycle is ridden for a long time, water or mud stains and the like in the running process are often splashed on the bicycle body, therefore, the bicycle needs to be cleaned and maintained, the grip can be disassembled to be maintained during cleaning, the situation that the grip is stained with water, rusty and the like is avoided, the grip of the bicycle and the bicycle head are connected in a threaded mode, the connection part is firm, therefore, when the grip is disassembled, people need to use great strength to rotate the grip, the grip can be disassembled in such a way, and because friction exists between the hand and the grip, when the force is too large, the skin at the palm is easily rubbed to bubble, and even the skin is removed.

Therefore, it is desirable to design a rubber grip removing device for bicycle maintenance that can replace manual grip removing.

Disclosure of Invention

In order to overcome the defects that people need to use great strength to rotate the grip, so the grip can be detached, and the skin at the palm is very easy to bubble and even peel off the skin due to the friction between the hand and the grip when the force is too great, the technical problem of the invention is that: provided is a rubber grip removing device for bicycle maintenance, which can replace manual grip removing.

The technical implementation scheme of the invention is as follows: the utility model provides a bicycle maintenance is with rubber handle disassembling equipment, includes center pin, turning block, fixture block, clamping mechanism and disassembly body, and the equal rotary type in center pin both sides is equipped with the turning block, and turning block one end all is equipped with the fixture block, is equipped with clamping mechanism between the turning block, and clamping mechanism is last to be equipped with the disassembly body who dismantles the handle.

In a preferred embodiment of the invention, the clamping mechanism comprises clamping rods, clamping plates, mounting tables and first springs, wherein the clamping rods are arranged on one sides of the rotating blocks, which are far away from the clamping blocks, the clamping plates are uniformly arranged on one side of the rotating block on one side along the circumferential direction, the mounting tables are connected among the clamping plates, and the first springs are connected among the rotating blocks.

In a preferred embodiment of the invention, the dismounting mechanism comprises a dismounting rod, a dismounting plate, an installation rod, a servo motor, a sleeve and a rotary clamping cylinder, the dismounting rod is arranged in the installation platform, the dismounting plate is arranged at one end of the dismounting rod, the installation rod is arranged at one side of the dismounting plate, the servo motor is arranged at one side of the top of the dismounting plate far away from the dismounting rod, the sleeve is rotatably arranged on the installation rod, the rotary clamping cylinder is arranged at one side of the sleeve far away from the servo motor, and the sleeve is connected with an output shaft of the servo motor through a coupler.

In a preferred embodiment of the invention, the device further comprises a maintenance mechanism, the maintenance mechanism comprises a maintenance frame, a maintenance box, a cover, a guide pipe and a switch, the maintenance frame is symmetrically arranged on one side of the top of the dismounting plate close to the rotary clamping cylinder, the maintenance box is connected between one ends of the maintenance frame, the cover is arranged on the top of the maintenance box in a sliding mode, the guide pipe is arranged on one side of the maintenance box, and the switch is rotatably arranged on one side of the guide pipe.

In a preferred embodiment of the present invention, the present invention further comprises a guiding mechanism, the guiding mechanism comprises a guiding frame, a guiding rail, a sliding block, a guiding rod, a second special-shaped rod, a second spring, a first special-shaped rod and a withdrawing block, the guiding frame is arranged on one side of the one-side maintaining frame, the guiding rail is arranged at one end of the guiding frame, the guiding rod is arranged in the guiding rail, the sliding block is slidably arranged on one side of the guiding rod, the second spring is connected between one side of the sliding block and the guiding rail, the second special-shaped rod is arranged on the top of the sliding block, the first special-shaped rod is slidably arranged on one side of the guiding rod close to the sliding block, the withdrawing block is arranged at one end of the first special-shaped rod, and the first special-shaped rod is slidably matched with the sleeve.

In a preferred embodiment of the invention, the maintenance box further comprises a pressing mechanism, the pressing mechanism comprises a pressing table, an air vent box, an air inlet pipe, a guide block, a one-way air inlet valve, a pressing rod and a third spring, the pressing table is arranged in the middle of one side of the maintenance box, the air vent box is arranged at the top of the pressing table, the air inlet pipe is arranged at the top of the air vent box, the air vent box is communicated with the maintenance box, the guide blocks are symmetrically arranged at one side of the maintenance box, the pressing rod is connected between the guide blocks in a sliding manner, the pressing rod is connected with the air inlet pipe in a sliding manner, the third spring is connected between the air inlet pipe and the pressing rod, and the one-way air inlet valve is arranged at one side of the air inlet pipe.

In a preferred embodiment of the invention, the device further comprises a releasing mechanism, the releasing mechanism comprises a releasing cylinder, a fourth spring, a push rod, a placing frame, a placing rod and a support cylinder, the releasing cylinder is arranged on one side of the disassembling plate, the push rod is slidably arranged on one side in the releasing cylinder, the fourth spring is connected between the push rod and the releasing cylinder, the placing frame is arranged on the servo motor, the placing frame is connected with one side of the disassembling plate, the push rod is slidably connected with the placing frame, the placing rod is arranged at one end of the placing frame, and the support cylinder is arranged at one end of the placing rod.

In a preferred embodiment of the present invention, the supporting cylinder is made of rubber.

Compared with the prior art, the invention has the following advantages: 1. the rotation of the rotary clamping cylinder can make the handle rotate, so that the handle is rotated away from the head of the bicycle, the handle does not need to be rotated manually, and the labor can be saved.

2. When the bicycle is turned away from the handle, the worker can make the switch not block the guide tube any more, and the lubricating oil in the maintenance box can flow out through the guide tube, so that the maintenance work of lubricating and rust preventing can be carried out on the joint of the bicycle head and the handle.

3. The sleeve can also make the first special-shaped rod and the withdrawing block move outwards by rotating, so that the grip can be more easily rotated out of the bicycle head under the matching of the withdrawing block and the rotating clamping cylinder.

4. Lubricating oil can flow out only by moving the pressing rod downwards, so that the lubricating oil can be prevented from flowing out all the time to cause waste.

5. The supporting tube can support the grip, so that the grip is prevented from directly falling to the ground when rotating away from the bicycle head, and the grip can be prevented from being broken.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a third perspective view of the present invention.

Fig. 4 is a schematic perspective view of the clamping mechanism of the present invention.

Fig. 5 is a schematic perspective view of a first disassembling mechanism of the present invention.

Fig. 6 is a schematic perspective view of a second disassembly mechanism of the present invention.

Fig. 7 is a third perspective view of the detachment mechanism of the present invention.

Fig. 8 is a schematic perspective view of a first maintenance mechanism according to the present invention.

Fig. 9 is a schematic perspective view of a second maintenance mechanism according to the present invention.

Fig. 10 is a schematic perspective view of a first guiding mechanism according to the present invention.

Fig. 11 is a schematic perspective view of a second guiding mechanism of the present invention.

Fig. 12 is a schematic perspective view of a first pressing mechanism according to the present invention.

Fig. 13 is a schematic perspective view of a second pressing mechanism according to the present invention.

Fig. 14 is a schematic perspective view of a first embodiment of the releasing mechanism of the present invention.

Fig. 15 is a schematic perspective view of a second detachment mechanism according to the present invention.

The parts are labeled as follows: 1. center shaft, 2, turning block, 3, clamping block, 4, clamping mechanism, 41, clamping rod, 42, clamping plate, 43, mounting table, 44, first spring, 5, dismounting mechanism, 51, dismounting rod, 52, dismounting plate, 53, mounting rod, 54, servo motor, 55, sleeve, 56, rotary clamping cylinder, 6, maintenance mechanism, 61, frame, 62, maintenance box, 64, cover, 65, conduit, 66, switch, 7, guide mechanism, 71, guide frame, 72, guide rail, 73, slide block, 74, guide rod, 75, second special-shaped rod, 76, second spring, 711, first special-shaped rod, 712, withdrawing block, 8, pressing mechanism, 81, pressing table, 82, ventilation box, 83, air inlet pipe, 84, guide block, 85, one-way air inlet valve, 86, pressing rod, 87, third spring, 9, releasing mechanism, 91, releasing cylinder, 92, fourth spring, 93, A push rod 94, a placing frame 95, a placing rod 96 and a support cylinder.

Detailed Description

It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.

Example 1

A dismounting device for a rubber grip for bicycle maintenance is shown in figures 1-15 and comprises a central shaft 1, rotating blocks 2, clamping blocks 3, clamping mechanisms 4 and a dismounting mechanism 5, wherein the rotating blocks 2 are rotatably arranged on the left side and the right side of the central shaft 1, the clamping blocks 3 are arranged at the rear ends of the rotating blocks 2, the clamping mechanisms 4 are arranged between the rotating blocks 2, and the dismounting mechanism 5 is arranged on the clamping mechanisms 4.

Clamping mechanism 4 all is equipped with clamping rod 41 including clamping rod 41, cardboard 42, mount table 43 and first spring 44 in the turning block 2 front side, and 2 right sides of right side turning block evenly are equipped with six cardboard 42 along circumference, are connected with mount table 43 between the cardboard 42, are connected with first spring 44 between the turning block 2.

The dismounting mechanism 5 comprises a dismounting rod 51, a dismounting plate 52, an installation rod 53, a servo motor 54, a sleeve 55 and a rotary clamping cylinder 56, the dismounting rod 51 is arranged in the installation table 43, the dismounting plate 52 is arranged at the right end of the dismounting rod 51, the installation rod 53 is arranged at the rear part of the left side of the dismounting plate 52, the servo motor 54 is arranged at the right side of the top of the dismounting plate 52, the sleeve 55 is rotatably arranged on the installation rod 53, the rotary clamping cylinder 56 is arranged at the left side of the sleeve 55, and the sleeve 55 is connected with the output shaft of the servo motor 54 through a coupling.

When the bicycle handle needs to be detached for maintenance, the device can be used, a user can install the device at the positions of the left and right handles of the bicycle head, the user can firstly pull the clamping rod 41 to rotate inwards to approach each other, so as to drive the rotating block 2 to rotate, the first spring 44 deforms, the rotating block 2 rotates to drive the clamping block 3 to move away from each other, then the clamping block 3 can be sleeved at the outer side of the bicycle head, the clamping rod 41 is gradually not controlled any more, the clamping rod 41, the rotating block 2 and the clamping block 3 rotate to reset under the action of the first spring 44, the clamping block 3 can approach each other after repeating resetting, so that the device is fixed on the bicycle handle, the rotating clamping cylinder 56 is contacted with the left side of the bicycle handle, then the servo motor 54 can be started to work, the output shaft of the servo motor 54 rotates to drive the sleeve 55 and the rotating clamping cylinder 56 to rotate, when the rotating clamping cylinder 56 rotates, the rotation of the rotary clamping cylinder 56 under the action of friction force can make the bicycle handle rotate continuously, the bicycle handle is in threaded connection with the bicycle head, so that the bicycle handle can move outwards when rotating, the bicycle handle can be separated from the bicycle head, then the servo motor 54 can be stopped, a user can pull the clamping rod 41 again to rotate inwards to get close to each other, the equipment can be taken down, and the handle can be reset after the maintenance of the handle is finished.

Still including maintenance mechanism 6, maintenance mechanism 6 is including maintenance frame 61, maintenance case 62, lid 64, pipe 65 and switch 66, and the left and right sides symmetry in dismantlement board 52 top is equipped with maintenance frame 61, is connected with maintenance case 62 between the maintenance frame 61 rear end, and maintenance case 62 top slidingtype is equipped with lid 64, and maintenance case 62 right side upper portion is equipped with pipe 65, and the position of the inside downside of maintenance case 62 is in on the left of pipe 65, and the upside rotary type of pipe 65 is equipped with switch 66.

The staff still can take off lid 64, can be used to the liquid of maintenance toward maintenance case 62 internal filling lubricating oil etc. again, later cover lid 64 back again, when the work of dismantling the handle, the staff still can rotate switch 66 and no longer block pipe 65, because of the liquid level in the maintenance case 62 is higher than the place height of pipe 65, lubricating oil alright in the maintenance case 62 through the pipe 65 drippage in the locomotive of bicycle and the junction of handle, thereby can carry out rust-resistant lubricated processing to the junction, make the handle change more easily and change back, still can avoid inside to rust to make the handle card die unable rotation simultaneously, when no longer needing drippage lubricating oil, rotate switch 66 block again pipe 65 can.

The multifunctional nursing device is characterized by further comprising a guide mechanism 7, wherein the guide mechanism 7 comprises a guide frame 71, a guide rail 72, a sliding block 73, a guide rod 74, a second special-shaped rod 75, a second spring 76, a first special-shaped rod 711 and an ejection block 712, the guide frame 71 is arranged on the right side of the right-side maintenance frame 61, the guide rail 72 is arranged at the right end of the guide frame 71, the guide rod 74 is arranged in the guide rail 72, the sliding block 73 is arranged on the left side of the guide rod 74 in a sliding mode, the second spring 76 is connected between the right side of the sliding block 73 and the guide rail 72, the second special-shaped rod 75 is arranged on the top of the sliding block 73, the first special-shaped rod 711 is arranged on the left side of the sliding block 73, the ejection block 712 is arranged at the rear end of the first special-shaped rod 711 is in sliding fit with the sleeve 55.

When the equipment is installed, the withdrawing block 712 is contacted with the rubber layer of the grip, the sleeve 55 rotates to drive the first special-shaped rod 711 to move outwards, the first special-shaped rod 711 moves rightwards to drive the withdrawing block 712 to move outwards, the withdrawing block 712 can continuously push the rubber layer after moving outwards, at the moment, the rotary clamping cylinder 56 rotates to drive the bicycle grip to rotate, so that the grip can be more conveniently detached from the bicycle head under the matching of the withdrawing block 712 and the rotary clamping cylinder 56, the first special-shaped rod 711 moves continuously when being contacted with the sliding block 73 so as to drive the sliding block 73 and the second special-shaped rod 75 to move outwards, the second spring 76 is compressed, when the grip is detached, the servo motor 54 can be firstly reversed to drive the sleeve 55 to reverse, so that the first special-shaped rod 711 and the withdrawing block 712 move inwards to reset, and the sliding block 73 and the second special-shaped rod 75 move inwards to reset under the action of the second spring 76, the servo motor 54 is then deactivated.

Still including pressing means 8, pressing means 8 is including pressing the platform 81, ventilation tank 82, intake pipe 83, guide block 84, one-way admission valve 85, push rod 86 and third spring 87, maintenance case 62 front side middle part is equipped with presses the platform 81, it is equipped with ventilation tank 82 to press the platform 81 top, ventilation tank 82 top is equipped with intake pipe 83, ventilation tank 82 communicates with each other with maintenance case 62, maintenance case 62 front side upper portion bilateral symmetry is equipped with guide block 84, slidingly be connected with push rod 86 between the guide block 84, push rod 86 is connected with intake pipe 83 slidingly, be connected with third spring 87 between intake pipe 83 and the push rod 86, intake pipe 83 upside is equipped with one-way admission valve 85.

The staff can make switch 66 open earlier, need not to fill up lubricating oil in the maintenance case 62 simultaneously, second dysmorphism pole 75 moves to the outside and when pressing the contact of pole 86, drive and press pole 86 downstream, third spring 87 is compressed, press the air in pole 86 downstream extrusion inlet pipe 83, thereby gaseous through air box 82 gets into maintenance case 62, just can extrude the lubricating oil in the maintenance case 62 and flow out through pipe 65 under the effect of pressure, so alright make the lubricating oil that flows out not too much and can play lubricated rust-resistant effect equally, so can avoid lubricating oil to drip all the time and cause the waste, when second dysmorphism pole 75 moves to the inside and resets, press pole 86 upward movement under the effect of third spring 87 and reset, thereby outside air gets into in the inlet pipe 83 through one-way admission valve 85, alright reuse in the work of the next lubricating oil of extruding.

Still get mechanism 9 including taking off, take off and get mechanism 9 including taking off and get a section of thick bamboo 91, fourth spring 92, push rod 93, place the frame 94, settle pole 95 and bearing cylinder 96, the left front side of stripper plate 52 is equipped with and takes off and get a section of thick bamboo 91, it is equipped with push rod 93 to take off the interior right side slidingtype of getting a section of thick bamboo 91, push rod 93 and take off and get and be connected with fourth spring 92 between the section of thick bamboo 91, be equipped with to place the frame 94 on servo motor 54, place frame 94 and stripper plate 52 right side link to each other, push rod 93 and place frame 94 sliding connection, place frame 94 right-hand member is equipped with and settles pole 95, it is equipped with bearing cylinder 96 to settle pole 95 rear end.

When the equipment is installed, a worker can pull the setting rod 95 to move outwards, the setting rod 95 moves outwards to drive the push rod 93 and the support cylinder 96 to move outwards, the fourth spring 92 is stretched, then the support cylinder 96 can be sleeved at the end part of the handle, the support cylinder 96 is made of rubber, a proper limiting effect can be achieved under the action of friction force, the setting rod 95 is loosened, the setting rod 95, the push rod 93 and the support cylinder 96 move inwards to reset under the action of the fourth spring 92, when the handle is gradually rotated away from a bicycle head, the handle moves outwards, so that the setting rod 95, the push rod 93 and the support cylinder 96 move outwards, the fourth spring 92 is stretched, when the handle is rotated away from the bicycle head, the support cylinder 96 can support the handle, the handle is prevented from falling to be damaged, then the worker can take the handle off the support cylinder 96 for maintenance, at the moment, the setting rod 95, the push rod 93 and the support cylinder 96 move outwards under the action of the fourth spring 92, The push rod 93 and the support cylinder 96 move inwards to reset.

It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.