CN110605790B - Switch mechanism of land cutting machine - Google Patents
Switch mechanism of land cutting machine Download PDFInfo
- Publication number
- CN110605790B CN110605790B CN201910897617.0A CN201910897617A CN110605790B CN 110605790 B CN110605790 B CN 110605790B CN 201910897617 A CN201910897617 A CN 201910897617A CN 110605790 B CN110605790 B CN 110605790B
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- linkage
- shaft
- transmission plate
- piece
- telescopic
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- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 238000005520 cutting process Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 76
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F5/00—Slotted or mortised work
- B27F5/02—Slotting or mortising machines tools therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
Abstract
The invention relates to a switch mechanism of a cutting machine, which is arranged at a handrail part and comprises a mounting seat, wherein a first shaft is fixed in the mounting seat, a first transmission plate and a second transmission plate are connected on the first shaft, and a rocker is vertically and movably connected on the first shaft; the first transmission plate and the second transmission plate are both inclined upwards along the first shaft, a first linkage clamping piece is arranged at the upper end of the first transmission plate, and a second linkage clamping piece is arranged at the upper end of the second transmission plate; the second transmission plate is vertically connected with a second shaft, the second shaft is connected with a linkage piece, the upper end of the linkage piece is connected with a linkage shaft, and when the linkage shaft is pressed down, the linkage shaft can be matched and connected with the first linkage clamping piece and the second linkage clamping piece; a pressing mechanism for pressing the linkage shaft is arranged above the linkage shaft; the middle lower part of the second transmission plate is connected with a pull rod, and the lower end of the pull rod extends to a motor switch of the land cutting machine. The invention can formally start the motor by two steps of operation, and is safer to use.
Description
Technical Field
The invention belongs to the field of land cutting machines, and particularly relates to a land cutting machine switching mechanism.
Background
The land cutting machine is used for cutting the ground and grooving the ground. The main structure of the land cutting machine is provided with a bearing mechanism with wheels capable of being pushed, the saw blade is positioned at the advancing end of the main structure of the land cutting machine, the motor controls the rotation cutting of the saw blade, and the handrail mechanism is positioned above the rear end of the main body of the land cutting machine, so that an operator can push the land cutting machine conveniently. In order to facilitate the operator to control the opening and closing of the cutting motor at any time in the standing operation process, a switch mechanism is usually additionally arranged at the position of the armrest mechanism, and the switch mechanism is linked with a starting switch of the motor, so that the operator can start or close the motor by operating the switch mechanism. However, because the switch mechanism is relatively close to the armrest mechanism, misoperation exists in use, for example, when the cutting machine is in the transferring process, the switch is accidentally touched to cause the saw blade to rotate, and potential safety hazards exist. For this reason, technicians in this unit add a safety structure for the switching mechanism.
Disclosure of Invention
The invention mainly aims at the safety problem of the switch structure of the earth cutting machine, and discloses the switch structure of the earth cutting machine, which can formally start a motor only by two steps of operation; firstly, pressing down a safety button, wherein the safety button drives a pressing piece to contact with a linkage shaft, and the linkage shaft is pressed down to enable a first transmission plate and a second transmission plate which are originally independent to each other to form linkage; then, the rocker is manually rotated, the first transmission plate and the second transmission plate synchronously rotate to drive the pull rod to move, and the motor is started after the lower end of the pull rod acts.
The technical problems of the invention are implemented by the following technical scheme: the utility model provides a cut ground machine switch mechanism, installs in the handrail position of cutting ground machine, including being fixed in the mount pad of handrail, its characterized in that, but the first epaxial swivelling joint of first epaxial first drive plate and the second drive plate that is parallel to each other of fixed connection level in the mount pad, first epaxial perpendicular and swing joint rocker of running through first drive plate and second drive plate, epaxial one section torsional spring of ring cover, the one end of this torsional spring is connected in the rocker, and the other end of this torsional spring is connected in first drive plate. When the rocker rotates in the armrest direction under the action of external force, the first transmission plate rotates; at this time, if the second transmission plate and the first transmission plate are mutually independent, the second transmission plate does not generate a rotation action; at this time, if the transmission mechanism is arranged between the second transmission plate and the first transmission plate, the second transmission plate and the first transmission plate can synchronously rotate.
The first transmission plate and the second transmission plate are both inclined upwards along the first axis, a first linkage clamping piece which is concave or convex relatively is arranged at the upper end of the first transmission plate, a second linkage clamping piece which is concave or convex relatively is arranged at the upper end of the second transmission plate, and the first linkage clamping piece and the second linkage clamping piece can be aligned horizontally.
The middle upper part of the second transmission plate is vertically connected with a second shaft, the second shaft is rotatably connected with a linkage piece, a section of torsion spring is connected with an annular sleeve on the second shaft, one end of the torsion spring is connected with the linkage piece, the other end of the torsion spring is connected with the second transmission plate, the upper end of the linkage piece is connected with a linkage shaft, and after the linkage shaft is pressed down, the linkage shaft can be in matched connection with the first linkage clamping piece and the second linkage clamping piece.
When the linkage piece is acted by downward external force, the linkage piece is turned downwards, the linkage shaft moves downwards to be clamped into the first linkage clamping piece and the second linkage clamping piece, and then the first transmission plate and the second transmission plate are connected into synchronous action by the linkage shaft.
And a pressing mechanism for pressing the linkage shaft is arranged above the linkage shaft. The pressing operation of the pressing mechanism on the linkage piece and the linkage shaft is a safety operation of the switch mechanism.
The middle lower part of the second transmission plate is connected with a pull rod, and the lower end of the pull rod extends to a motor switch of the land cutting machine. When the second transmission plate turns over, the pull rod is driven to lift up integrally, and the lower end of the pull rod drives the switch piece for starting the motor.
Preferably, the pressing mechanism comprises a vertically arranged telescopic piece, and the upper end of the telescopic piece is exposed out of the mounting seat; a section of spring is sleeved on the telescopic piece, one end of the spring is abutted against the telescopic piece, and the other end of the spring is abutted against the mounting seat; the telescopic part is provided with a pressing part which is relatively outwards protruded and is positioned above the linkage shaft, and the pressing part can press the linkage shaft from top to bottom. The pressing mechanism is manually controlled, when being pressed by external force, the whole mechanism moves downwards, and the pressing piece is pressed above the linkage piece and the linkage shaft to move downwards; after the external force is eliminated, the whole pressing mechanism returns to the initial position under the action of the spring.
Preferably, the spring ring is sleeved at the lower part of the telescopic piece, meanwhile, a blocking piece is arranged in the mounting seat and close to the lower end of the telescopic piece, a vertically through hole is formed in the blocking piece, the lower end of the telescopic piece is inserted into the through hole, and the lower end of the spring is abutted against the blocking piece.
Preferably, the middle part of the telescopic piece is provided with a guide groove which extends vertically, and meanwhile, the inside of the mounting seat is provided with a guide post which protrudes outwards transversely, and the guide post is connected with the guide groove; thereby the whole up-down expansion process of the pressing mechanism is more stable and firm.
Preferably, the upper end of the telescopic piece is connected with a safety button; the safety button is exposed out of the mounting seat, and the first step of starting the motor is to press the safety button downwards.
Preferably, the linkage piece is a plate piece, and the second shaft is connected with two linkage pieces which are respectively positioned at two sides of the second transmission plate and are parallel to each other; the second shaft vertically penetrates through the middle parts of the two linkage pieces at the same time, and the two linkage pieces incline upwards relative to the second shaft; the linkage shaft is fixedly connected to the upper ends of the two linkage members at the same time. The linkage shaft is supported by the two linkage members, and the two linkage members are symmetrically distributed on two sides of the second transmission member, so that the stress of the linkage shaft and the linkage members is more balanced, and the action is more stable and firm.
Preferably, the part of the second transmission plate, which is close to the lower end of the linkage piece, is provided with a limiting piece which is relatively convex, so that the lower end of the linkage piece can be abutted against the limiting piece to limit the overturning amplitude of the linkage piece, and the linkage piece is prevented from being overturned excessively.
Preferably, the handrail comprises a vertical handrail vertical rod and a transverse handrail cross rod connected to the upper end of the handrail vertical rod; the mounting seat is fixedly connected to the handrail vertical rod and is close to the upper end of the handrail vertical rod.
Preferably, the rocker is exposed out of the mounting seat, and the upper end of the rocker is provided with a transversely extending rocker handle. When the rocker is rotated, the acting force of the hand acts on the rocker handle, and in order to keep the motor in the starting state during the whole cutting operation, the acting force of the hand is required to be continuous all the time, so that the rocker is kept close to the armrest cross rod, namely, the armrest cross rod and the rocker handle are simultaneously held by a single hand.
In summary, compared with the prior art, the invention has the following advantages:
the switch mechanism can formally start the motor only by two steps of operation, so that the use is safer; firstly, pressing down a safety button, wherein the safety button drives a pressing piece to contact with a linkage shaft or a linkage piece, and the linkage shaft connects a first transmission plate and a second transmission plate which are originally independent to each other into synchronous motion; on the basis, after the rocker is manually rotated, the first transmission plate and the second transmission plate synchronously rotate, so that the pull rod is driven to move, and the motor is started after the lower end of the pull rod acts.
Drawings
FIG. 1 is a schematic view of the use of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
The reference numerals in the figures are: 1. a first drive plate; 2. a second drive plate; 21. a second interlocking engagement member; 22. a limiting piece; 3. a rocker; 31. a rocker handle; 4. a second shaft; 5. a linkage member; 51. a linkage shaft; 6. a pressing mechanism; 61. a telescoping member; 62. a spring; 63. a pressing member; 64. a guide groove; 65. an insurance button; 7. a pull rod; 8. a mounting base; 81. a first shaft; 82. a blocking member; 83. a guide post; 9. an armrest; 91. a handrail vertical rod; 92. a handrail cross bar; 10. and (3) a torsion spring.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Example 1:
as shown in fig. 1, 2 and 3, a switch mechanism of a cutting machine is installed at the armrest 9 part of the cutting machine, and the armrest 9 mainly comprises a vertical armrest vertical rod 91 and a transverse armrest cross rod 92 fixedly connected to the upper end of the armrest vertical rod 91. A mounting seat 8 is fixedly arranged on the upper part of the handrail vertical rod 91, and the mounting seat 8 is close to the upper end of the handrail vertical rod 91.
The mounting seat 8 is a hollow shell, and the handrail vertical rod 91 vertically penetrates through the mounting seat 8; inside the mounting seat 8, a horizontal first shaft 81 is vertically fixed to the armrest vertical rod 91; the first shaft 81 is rotatably connected with the first transmission plate 1 and the second transmission plate 2 which are parallel to each other, the first transmission plate 1 and the second transmission plate 2 are fan-shaped, a through hole is formed in a part, close to the center of a circle, of the first transmission plate 1 and the second transmission plate 2, the first shaft 81 vertically penetrates through the through hole, and the first transmission plate 1 and the second transmission plate 2 are mutually independent and can rotate relative to the first shaft 81.
A rocker 3 is vertically and movably sleeved on the first shaft 81, the rocker 3 is close to the armrest vertical rod 91, and the first transmission plate 1 is close to the rocker 3; the first shaft 81 is sleeved with a section of torsion spring 10, the torsion spring 10 is located between the rocker 3 and the first transmission plate 1, one end of the torsion spring 10 is connected to the rocker 3, the other end of the torsion spring 10 is connected to the first transmission plate 1, and then the rocker 3 can drive the first transmission plate 1 to rotate when rotating.
The rocker 3 is exposed out of the mounting seat 8, and the upper end of the rocker 3 is provided with a transversely extending rocker handle 31; during operation, the hands act on the rocker handle 31, so that the rocker 3 and the rocker handle 31 are both close to the handrail 9; to maintain the switch mechanism in the on state, the armrest cross bar 92 and the rocker handle 31 are held together by a single hand.
When the switch mechanism is in a closed state, the first transmission plate 1 and the second transmission plate 2 are both inclined upwards along the first shaft 81, a first linkage clamping piece which is relatively concave is arranged at the upper end of the first transmission plate 1, and the first linkage clamping piece is a groove with an upward opening; the upper end of the second transmission plate 2 is provided with a second relatively concave interlocking clamping piece 21, and the second interlocking clamping piece 21 is also a groove with an upward opening; and the first and second interlocking engagement members 21 can be aligned horizontally side by side.
A horizontal second shaft 4 is vertically and fixedly connected to the middle part of the second transmission plate 2 and near the arc-shaped edge part, and the second shaft 4 passes through the second transmission plate 2; the second shaft 4 is rotatably connected with two pieces of linkage pieces 5, the linkage pieces 5 are arranged into strip plates, the middle lower part of each strip plate is provided with a through hole, and the second shaft 4 is sleeved with the through hole; the two linkage pieces 5 are respectively positioned at two sides of the second transmission plate 2 and are parallel to each other, and the two linkage pieces are inclined upwards relative to the second shaft 4; the upper ends of the two linkage pieces 5 are simultaneously and vertically fixedly connected with a section of linkage shaft 51; a section of torsion spring 10 is connected on the second shaft 4 in a loop, one end of the torsion spring 10 is connected with one of the linkage pieces 5, and the other end of the torsion spring 10 is connected with the second transmission plate 2; a position of the second transmission plate 2 near the lower end of the linkage member 51 is provided with a limiting member 22 which is relatively protruded, and the lower end of the linkage member 51 can abut against the limiting member 22 so as to limit the rotation amplitude of the linkage member 51.
When the linkage shaft 51 is pressed down, the linkage shaft 51 can be simultaneously inserted into the first linkage engaging member and the second linkage engaging member 21, so that the first transmission plate 1 and the second transmission plate 2 form synchronous linkage.
The lower part of the second transmission plate 2 is connected with a section of pull rod 7, and the lower end of the pull rod 7 extends downwards to the motor switch of the land cutting machine for starting the motor switch.
A pressing mechanism 6 for pressing the linkage shaft 51 is mounted above the linkage shaft 51 in the mounting seat 8; specifically, the main body of the pressing mechanism 6 is a vertically telescopic translational telescopic member 61, the upper part of the telescopic member 61 is a square column rod shape with larger width, the lower part of the telescopic member is a thin round rod piece, and a section of spring 62 is sleeved on the round rod piece at the lower part of the telescopic member 61; the upper end of the telescopic piece 61 is exposed out of the mounting seat 8, and a safety button 65 is fixed at the upper end of the telescopic piece 61; the upper part of the telescopic member 61 is provided with a relatively horizontally protruding pressing member 63, the pressing member 63 is located above the linkage shaft 51, and the pressing member 63 can press the linkage shaft 51 from top to bottom.
In order to improve the translational stability of the telescopic member 61, a hollow guide groove 64 extending vertically is provided in the middle of the upper square column of the telescopic member 61, and a guide post 83 protruding laterally is provided in the mounting seat 8, and the guide post 83 vertically penetrates through the guide groove 64.
A horizontal baffle 82 is arranged in the mounting seat 8 and near the lower end of the telescopic piece 61, and a vertically penetrating through hole is formed in the baffle 82, so that the lower end of the telescopic piece 61 is inserted into the through hole; the ring is sleeved on the spring 62 at the lower part of the telescopic piece 61, the upper end of the spring is abutted against the telescopic piece 61, and the lower end of the spring is abutted against the blocking piece 82.
The operation mode of the switch mechanism is as follows: the safety button is pressed downwards by one hand, the rocker handle is held by the other hand, the rocker handle and the rocker are enabled to rotate towards the armrest cross rod to approach, after the safety button is stabilized, the rocker handle and the armrest cross rod are simultaneously held by one hand, the switch mechanism is kept in an on state continuously, meanwhile, the motor switch is started by the pull rod, and the motor is kept in an on state.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The switch mechanism of the land cutting machine is arranged at the armrest part of the land cutting machine and comprises an installation seat (8) fixed on an armrest (9), and is characterized in that a horizontal first shaft (81) is fixedly connected in the installation seat, a first transmission plate (1) and a second transmission plate (2) which are parallel to each other are simultaneously and rotatably connected on the first shaft, the first shaft vertically penetrates through the first transmission plate and the second transmission plate, a rocker (3) is vertically and movably connected on the first shaft, a section of torsion spring (10) is sleeved on the first shaft in a ring manner, one end of the torsion spring is connected with the rocker, and the other end of the torsion spring is connected with the first transmission plate;
the first transmission plate and the second transmission plate are both inclined upwards along the first shaft, a first linkage clamping piece which is relatively concave or relatively convex is arranged at the upper end of the first transmission plate, a second linkage clamping piece (21) which is relatively concave or relatively convex is arranged at the upper end of the second transmission plate, and the first linkage clamping piece and the second linkage clamping piece can be horizontally aligned;
the middle upper part of the second transmission plate is vertically connected with a second shaft (4), the second shaft is rotatably connected with a linkage piece (5), a section of torsion spring (10) is connected on the second shaft in a sleeved mode, one end of the torsion spring is connected with the linkage piece, the other end of the torsion spring is connected with the second transmission plate, the upper end of the linkage piece is connected with a linkage shaft (51), and after the linkage shaft is pressed down, the linkage shaft can be connected with the first linkage clamping piece and the second linkage clamping piece in a matched mode;
a pressing mechanism (6) for pressing the linkage shaft is arranged above the linkage shaft;
the middle lower part of the second transmission plate is connected with a pull rod (7), and the lower end of the pull rod extends to a motor switch of the land cutting machine;
the linkage piece is arranged as a strip plate, and two linkage pieces are connected to the second shaft, are respectively positioned at two sides of the second transmission plate and are parallel to each other; the second shaft vertically penetrates through the middle parts of the two linkage pieces at the same time, and the two linkage pieces incline upwards relative to the second shaft; the linkage shafts are fixedly connected to the upper ends of the two linkage pieces at the same time;
the part of the second transmission plate, which is close to the lower end of the linkage piece, is provided with a limiting piece (22) which is relatively protruded, so that the lower end of the linkage piece can be abutted against the limiting piece;
the pressing mechanism comprises a vertically arranged telescopic piece (61), and the upper end of the telescopic piece is exposed out of the mounting seat; a section of spring (62) is sleeved on the telescopic piece, one end of the spring is abutted against the telescopic piece, and the other end of the spring is abutted against the mounting seat; the telescopic part is provided with a pressing part (63) which is relatively outwards protruded and is positioned above the linkage shaft, and the pressing part can press the linkage shaft from top to bottom.
2. The switch mechanism of claim 1, wherein the spring ring is sleeved on the lower portion of the telescopic member, and a blocking member (82) is arranged in the mounting seat and near the lower end of the telescopic member, and has a vertically penetrating hole, so that the lower end of the telescopic member is inserted into the hole, and the lower end of the spring abuts against the blocking member.
3. The switch mechanism of claim 2, wherein the middle portion of the telescoping member has a vertically extending guide slot (64) and the interior of the mounting block has a laterally protruding guide post (83) connected to the guide slot.
4. A switch mechanism for a harvester according to claim 3, characterized in that the upper end of the telescopic member is connected to a safety button (65).
5. The switch mechanism of claim 1, wherein the armrest comprises a vertical armrest rod (91), and a transverse armrest cross bar (92) connected to the upper end of the armrest rod; the mounting seat is fixedly connected to the handrail vertical rod and is close to the upper end of the handrail vertical rod.
6. The switch mechanism of claim 1, wherein the rocker is exposed to the mounting base and has a laterally extending rocker handle (31) at an upper end thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910897617.0A CN110605790B (en) | 2019-09-23 | 2019-09-23 | Switch mechanism of land cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910897617.0A CN110605790B (en) | 2019-09-23 | 2019-09-23 | Switch mechanism of land cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110605790A CN110605790A (en) | 2019-12-24 |
| CN110605790B true CN110605790B (en) | 2023-12-29 |
Family
ID=68893021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910897617.0A Active CN110605790B (en) | 2019-09-23 | 2019-09-23 | Switch mechanism of land cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110605790B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201160377Y (en) * | 2008-01-29 | 2008-12-10 | 陈寅 | Switch of grass pulling machine |
| CN105895463A (en) * | 2016-05-17 | 2016-08-24 | 陈百胜 | Control device of circuit breaker |
| CN106105541A (en) * | 2016-06-14 | 2016-11-16 | 常州格力博有限公司 | From walking switching device and tedder thereof |
| CN106229202A (en) * | 2015-06-02 | 2016-12-14 | 南京德朔实业有限公司 | Switching mechanism, operating mechanism and there is the hay mover of this operating mechanism |
| CN205866973U (en) * | 2015-11-17 | 2017-01-11 | 澳斯卡（香港）国际有限公司 | Exercise rehabilitation wheelchair |
| CN208229330U (en) * | 2018-04-17 | 2018-12-14 | 东莞市德雷实业有限公司 | The golf cart for being easy to fold |
| CN211074222U (en) * | 2019-09-23 | 2020-07-24 | 金华市亚虎工具有限公司 | Switch mechanism for floor cutting machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9596806B2 (en) * | 2013-10-10 | 2017-03-21 | Chervon (Hk) Limited | Control system for controlling the operation of a gardening tool |
-
2019
- 2019-09-23 CN CN201910897617.0A patent/CN110605790B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201160377Y (en) * | 2008-01-29 | 2008-12-10 | 陈寅 | Switch of grass pulling machine |
| CN106229202A (en) * | 2015-06-02 | 2016-12-14 | 南京德朔实业有限公司 | Switching mechanism, operating mechanism and there is the hay mover of this operating mechanism |
| CN205866973U (en) * | 2015-11-17 | 2017-01-11 | 澳斯卡（香港）国际有限公司 | Exercise rehabilitation wheelchair |
| CN105895463A (en) * | 2016-05-17 | 2016-08-24 | 陈百胜 | Control device of circuit breaker |
| CN106105541A (en) * | 2016-06-14 | 2016-11-16 | 常州格力博有限公司 | From walking switching device and tedder thereof |
| CN208229330U (en) * | 2018-04-17 | 2018-12-14 | 东莞市德雷实业有限公司 | The golf cart for being easy to fold |
| CN211074222U (en) * | 2019-09-23 | 2020-07-24 | 金华市亚虎工具有限公司 | Switch mechanism for floor cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110605790A (en) | 2019-12-24 |
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