CN211074222U - Switch mechanism for floor cutting machine - Google Patents
Switch mechanism for floor cutting machine Download PDFInfo
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- CN211074222U CN211074222U CN201921588222.4U CN201921588222U CN211074222U CN 211074222 U CN211074222 U CN 211074222U CN 201921588222 U CN201921588222 U CN 201921588222U CN 211074222 U CN211074222 U CN 211074222U
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Abstract
The utility model relates to a switch mechanism for a floor cutting machine, which is arranged at the handrail part and comprises an installation seat, wherein a first shaft is fixed in the installation 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 inclined upwards relative to 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, a linkage piece is connected to the second shaft, 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 connected with the first linkage clamping piece and the second linkage clamping piece in a matched mode; 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 cutting machine. The utility model discloses need carry out two steps of operations and just can formally start motor, use safelyr.
Description
Technical Field
The utility model belongs to the land cutting machine field, concretely relates to a switch mechanism for land cutting machine.
Background
The land cutting machine is used for cutting the ground and slotting the ground. The main structure of the cutting machine is provided with a bearing mechanism with wheels capable of being pushed, a saw blade is positioned at the advancing end of the main structure of the cutting machine, a motor controls the saw blade to rotate and cut, and a handrail mechanism is positioned above the rear end of the cutting machine main body, so that an operator can conveniently push the cutting machine. In order to facilitate an operator to control the cutting motor to be turned on or off at any time during a standing operation, a switch mechanism is generally additionally arranged at the armrest mechanism, the switch mechanism is linked with a starting switch of the motor, and the operator can start or stop the motor by operating the switch mechanism. However, because the switch mechanism is closer to the armrest mechanism, misoperation occurs during use, for example, during the transfer process of the floor-cutting machine, the saw blade rotates due to accidental touch of the switch, and potential safety hazards exist. Therefore, technicians in the unit add a safety structure for the switch mechanism.
Disclosure of Invention
The utility model discloses mainly to the safety problem of cutting ground machine switch structure, invented a switch mechanism for cutting ground machine, need to carry on two-step operation and just can formally start the motor; firstly, a safety button is pressed downwards, the safety button drives a pressing piece to contact with a linkage shaft, and the linkage shaft is pressed downwards until a first transmission plate and a second transmission plate which are originally independent mutually form linkage; then, the rocker is rotated manually, the first transmission plate and the second transmission plate rotate synchronously to drive the pull rod to move, and the motor is started after the lower end of the pull rod moves.
The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a switching mechanism for cutting ground machine, installs in the handrail position of cutting ground machine, including the mount pad that is fixed in the handrail, its characterized in that, the horizontal primary shaft of fixed connection in the mount pad, but primary shaft is simultaneously swivelling joint parallel first drive plate and second drive plate of each other, and primary shaft runs through first drive plate and second drive plate perpendicularly, perpendicular and swing joint rocker on the primary shaft, the first 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 along the direction of the armrest 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 independent from each other, the second transmission plate does not generate a rotation action; at this time, if a transmission mechanism is provided between the second transmission plate and the first transmission plate, the second transmission plate and the first transmission plate can be rotated in synchronization.
The first transmission plate and the second transmission plate are inclined upwards relative to the first shaft, a first linkage clamping piece which is relatively concave or convex is arranged at the upper end of the first transmission plate, a second linkage clamping piece which is relatively concave or 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, the second shaft is rotatably connected with a linkage piece, the second shaft is sleeved with a section of torsion spring, 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 connected with the first linkage clamping piece and the second linkage clamping piece in a matching mode.
When the linkage piece is acted by downward external force, the linkage piece is turned over 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 by the linkage shaft to move synchronously.
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 cutting machine. When the second transmission plate is turned over, the pull rod is driven to integrally lift up, 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; 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 piece is provided with a pressing piece which is convex outwards relatively, the pressing piece is positioned above the linkage shaft, and the pressing piece can press the linkage shaft from top to bottom. The pressing mechanism is manually controlled, when the pressing mechanism is 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 on the lower part of the telescopic member, meanwhile, a stopper is arranged in the mounting seat and close to the lower end of the telescopic member, a through hole which is vertically penetrated is formed in the stopper, the lower end of the telescopic member is inserted into the through hole, and the lower end of the spring is abutted against the stopper.
Preferably, the middle part of the telescopic part is provided with a guide groove which extends vertically, and meanwhile, the inside of the mounting seat is provided with a guide pillar which protrudes outwards transversely and is connected with the guide groove; thereby the whole up-and-down stretching process of the pressing mechanism is more stable and firmer.
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 strip plate piece, the second shaft is connected with two linkage pieces, and the two linkage pieces are respectively positioned on 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 parts at the same time, and the two linkage parts are inclined upwards relative to the second shaft; the linkage shaft is simultaneously and fixedly connected to the upper ends of the two linkage parts. The linkage shaft is supported by the two linkage pieces together, and the two linkage pieces are symmetrically distributed on two sides of the second transmission piece, so that the stress of the linkage shaft and the linkage pieces 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 member, is provided with a limiting member protruding relatively, so that the lower end of the linkage member can be abutted against the limiting member, the overturning range of the linkage member is limited, and the linkage member 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 vertical rod of the handrail and close to the upper end of the vertical rod of the handrail.
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 a starting state during the whole cutting operation, the acting force of the hand must be continuously kept to maintain the rocker in a state close to the handrail cross rod, namely, the handrail cross rod and the rocker handle are simultaneously held by one hand.
To sum up, compared with the prior art, the utility model has the following advantages:
the switch mechanism of the utility model can formally start the motor only by two steps of operation, thus having safer use; firstly, a safety button is pressed downwards, the safety button drives a pressing piece to contact with a linkage shaft or a linkage piece, and a first transmission plate and a second transmission plate which are originally independent of each other are connected by the linkage shaft to move synchronously; on the basis, after 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 moves.
Drawings
Fig. 1 is a schematic view of the usage state 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 numbers in the figures are: 1. a first drive plate; 2. a second drive plate; 21. a second coupling catch; 22. a limiting member; 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 seat; 81. a first shaft; 82. a stopper; 83. a guide post; 9. a handrail; 91. a handrail vertical rod; 92. a handrail cross bar; 10. a torsion spring.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
as shown in fig. 1, 2 and 3, the switch mechanism for the cutting machine is mounted at the position of a handrail 9 of the cutting machine, and the handrail 9 mainly comprises a vertical handrail vertical rod 91 and a transverse handrail cross rod 92 fixedly connected to the upper end of the handrail vertical rod 91. An installation seat 8 is fixedly installed on the upper portion of the handrail vertical rod 91, and the installation 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; inside the mounting base 8, a horizontal first shaft 81 is vertically fixed on a handrail vertical rod 91; the first shaft 81 is connected with a first transmission plate 1 and a second transmission plate 2 which are parallel to each other in a rotatable mode, the first transmission plate 1 and the second transmission plate 2 are sector-shaped, through holes are formed in the positions, close to the circle center, of the first transmission plate 1 and the second transmission plate 2, the first shaft 81 vertically penetrates through the through holes, and the first transmission plate 1 and the second transmission plate 2 are independent of each other 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 arranged 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 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 rocker handle 31 extending transversely; during operation, the hands act on the rocker handle 31 to enable the rocker 3 and the rocker handle 31 to approach the handrail 9; to maintain the switch mechanism in the on state, one hand simultaneously grasps the armrest rail 92 and the rocker handle 31.
When the switch mechanism is in a closed state, the first transmission plate 1 and the second transmission plate 2 are both inclined upwards relative to the first shaft 81, the upper end of the first transmission plate 1 is provided with a first linkage clamping piece which is relatively concave inwards, 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 linkage clamping element 21 which is relatively concave, and the second linkage clamping element 21 is also a groove with an upward opening; and the first and second linkage detents 21 can be horizontally aligned side-by-side.
A horizontal second shaft 4 is vertically and fixedly connected to the middle part of the second transmission plate 2 and the part, close to the arc-shaped edge, of the second transmission plate, and the second shaft 4 penetrates through the second transmission plate 2; two linkage pieces 5 are rotatably connected to the second shaft 4, the linkage pieces 5 are strip pieces, and through holes are formed in the middle lower parts of the strip pieces and are annularly sleeved on the second shaft 4 through the through holes; 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 vertically and fixedly connected with a section of linkage shaft 51; a section of torsion spring 10 is connected with the second shaft 4 in a sleeving manner, 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 protruding relatively, and the lower end of the linkage member 51 can abut against the limiting member 22 to limit the rotation range of the linkage member 51.
When the linkage shaft 51 is pressed down, the linkage shaft 51 can be simultaneously embedded into the first linkage clamping piece and the second linkage clamping piece 12, 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 a motor switch of the cutting machine to start the motor switch.
A pressing mechanism 6 for pressing the linkage shaft 51 is arranged above the linkage shaft 51 in the mounting seat 8; specifically, the main body of the pressing mechanism 6 is a vertically telescopic and translational telescopic member 61, the upper part of the telescopic member 61 is a square column rod with a larger width, and the lower part of the telescopic member 61 is a narrow round rod, and a section of spring 62 is sleeved on the round rod at the lower part of the telescopic member 61 in a sleeved mode; the upper end of the telescopic part 61 is exposed out of the mounting seat 8, and a safety button 65 is fixed at the upper end of the telescopic part 61; the upper part of the telescopic part 61 is provided with a pressing part 63 which protrudes outwards relatively horizontally, the pressing part 63 is positioned above the linkage shaft 51, and the pressing part 63 can press the linkage shaft 51 from top to bottom.
In order to increase the translational stability of telescopic part 61, a vertically extending hollow guide groove 64 is provided in the middle of the upper square-bar of telescopic part 61, while a laterally protruding guide post 83 is provided in the interior of mounting base 8, which guide post 83 extends perpendicularly through guide groove 64.
A horizontal stopper 82 is arranged in the mounting seat 8 and close to the lower end of the telescopic member 61, and the stopper 82 is provided with a through hole which is vertically penetrated, so that the lower end of the telescopic member 61 is inserted into the through hole; the spring 62 is sleeved on the lower portion of the telescopic member 61, the upper end of the spring 62 abuts against the telescopic member 61, and the lower end of the spring 62 abuts against the stopper 82.
Operation mode of the switch mechanism: firstly, one hand is used for pressing the safety button downwards, and then the other hand is used for holding the rocker handle, so that the rocker handle and the rocker rotate towards the handrail cross rod to approach, after the stability is realized, the one hand is used for holding the rocker handle and the handrail cross rod simultaneously, the switch mechanism is continuously kept in an opening state, meanwhile, the pull rod starts the motor switch, and the motor is kept in the starting state.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. A switch mechanism for a floor cutting machine is arranged at the handrail part of the floor cutting machine and comprises a mounting seat (8) fixed on a handrail (9), and is characterized in that a horizontal first shaft (81) is fixedly connected in the mounting seat, the first shaft is simultaneously and rotatably connected with a first transmission plate (1) and a second transmission plate (2) which are parallel to each other, the first shaft vertically penetrates through the first transmission plate and the second transmission plate, the first shaft is vertically and movably connected with a rocker (3), the first shaft is sleeved with a section of torsion spring (10), 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 inclined upwards relative to the first shaft, a first linkage clamping piece which is relatively concave or convex is arranged at the upper end of the first transmission plate, a second linkage clamping piece (21) which is relatively concave or 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;
a second shaft (4) is vertically connected to the middle upper part of the second transmission plate, a linkage piece (5) is rotatably connected to the second shaft, a section of torsion spring (10) is connected to the second shaft in a sleeved mode, one end of the torsion spring is connected to the linkage piece, the other end of the torsion spring is connected to 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 downwards, 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 cutting machine.
2. The switch mechanism for a cutting machine according to claim 1, characterized in that the pressing mechanism comprises a vertically arranged telescopic member (61), the upper end of which is exposed to 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 piece is provided with a pressing piece (63) which is convex outwards relatively, the pressing piece is positioned above the linkage shaft, and the pressing piece can press the linkage shaft from top to bottom.
3. The switch mechanism for a cutting machine according to claim 2, characterized in that said spring ring is fitted around the lower part of the telescopic member, while the inside of the mounting base, near the lower end of the telescopic member, is provided with a stopper (82) having a through hole running vertically therethrough, so that the lower end of the telescopic member is inserted through the through hole and the lower end of the spring abuts against the stopper.
4. Switch mechanism for a cutting machine according to claim 3, characterized in that the middle part of the telescopic element has a vertically extending guide groove (64), while the inside of the mounting base has a laterally protruding guide post (83) which is connected to the guide groove.
5. Switch mechanism for cutting machines according to claim 4, characterized in that the upper end of the telescopic member is connected to a safety button (65).
6. The switch mechanism for a cutting machine according to claim 1, wherein the linkage member is configured as a bar member, and two linkage members are connected to the second shaft, the two linkage members being respectively located on both sides of the second transmission plate and being parallel to each other; the second shaft vertically penetrates through the middle parts of the two linkage parts at the same time, and the two linkage parts are inclined upwards relative to the second shaft; the linkage shaft is simultaneously and fixedly connected to the upper ends of the two linkage parts.
7. The switch mechanism for a cutting machine according to claim 6, characterized in that the second driving plate has a stopper (22) protruding relatively near the lower end of the link member, so that the lower end of the link member can interfere with the stopper.
8. The switch mechanism for a cutting machine according to claim 1, characterized in that the handrail comprises a vertical handrail stem (91), a transverse handrail cross-bar (92) connected to the upper end of the handrail stem; the mounting seat is fixedly connected to the vertical rod of the handrail and close to the upper end of the vertical rod of the handrail.
9. The switch mechanism for a cutting machine according to claim 2, characterized in that the rocker is exposed to the mounting seat, the upper end of the rocker having a laterally extending rocker handle (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588222.4U CN211074222U (en) | 2019-09-23 | 2019-09-23 | Switch mechanism for floor cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588222.4U CN211074222U (en) | 2019-09-23 | 2019-09-23 | Switch mechanism for floor cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211074222U true CN211074222U (en) | 2020-07-24 |
Family
ID=71642935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921588222.4U Active CN211074222U (en) | 2019-09-23 | 2019-09-23 | Switch mechanism for floor cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211074222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605790A (en) * | 2019-09-23 | 2019-12-24 | 金华市亚虎工具有限公司 | Switch mechanism of land cutting machine |
-
2019
- 2019-09-23 CN CN201921588222.4U patent/CN211074222U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605790A (en) * | 2019-09-23 | 2019-12-24 | 金华市亚虎工具有限公司 | Switch mechanism of land cutting machine |
| CN110605790B (en) * | 2019-09-23 | 2023-12-29 | 金华市亚虎工具有限公司 | Switch mechanism of land cutting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Lianguan Technology Co.,Ltd. Assignor: JINHUA YAHU TOOLS Co.,Ltd. Contract record no.: X2021330000250 Denomination of utility model: Switch mechanism for land cutter Granted publication date: 20200724 License type: Common License Record date: 20210914 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Zhejiang Lianguan Technology Co.,Ltd. Assignor: JINHUA YAHU TOOLS Co.,Ltd. Contract record no.: X2021330000250 Date of cancellation: 20230315 |
|
| EC01 | Cancellation of recordation of patent licensing contract |