CN202564072U - Three-gear two-speed foot switch - Google Patents
Three-gear two-speed foot switch Download PDFInfo
- Publication number
- CN202564072U CN202564072U CN2012201611954U CN201220161195U CN202564072U CN 202564072 U CN202564072 U CN 202564072U CN 2012201611954 U CN2012201611954 U CN 2012201611954U CN 201220161195 U CN201220161195 U CN 201220161195U CN 202564072 U CN202564072 U CN 202564072U
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- CN
- China
- Prior art keywords
- switch
- speed
- foot
- central spindle
- swing
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- Expired - Fee Related
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Abstract
The utility model discloses a three-gear two-speed foot switch. The structure of the three-gear two-speed foot switch is that a reversing switch is installed on the back side of a locating seat plate, a foot support is installed on the bottom part of the front side of the locating seat plate by hinge pins, the middle part of the foot support is connected with one end of a swing plate by hinge pins, the other end of the swing plate is connected with one end of a swing rod by hinge pins, the other end of the swing rod is connected with a central spindle of the reversing switch, the end part of the central spindle of the reversing switch is a rectangular, two positioning screws are installed on the rectangular end surface of the central spindle, a horizontal tension spring is arranged between the swing plate and the top part of the locating seat plate, and a torsion spring is installed between the central spindle of the reversing switch and the swing rod. A connecting rod mechanism formed by the swing plate and the swing rod drives the central spindle of the reversing switch to rotate, and switching operations of such four positions as high speed, low speed, stop and inversion of a two-speed motor are realized. Tyre disassembling and assembling operations with multiple high and low speeds are realized on an ordinary two-speed motor, thereby improving the efficiency of quick disassembling and assembling operations, and completing two-speed switch operations by replacing a variable frequency driving mode which is of a high cost.
Description
Technical field
The utility model relates to a kind of tire changer foot switch that two-speed motor drives that can be used for.
Background technology
As everyone knows, when the tire changer foot switch carries out the tyre dismounting operation, to clamping fixedly the reductor motor that drives of the deep bid assembly of tire carry out rotating or control that stops and operating means.The motor-driven foot switch of control reductor in the foot-operated control panel of existing tire changer is merely able to realize three positions, promptly centre position (promptly stopping), upwards position (drive motors counter-rotating), to upper/lower positions (drive motors just changes).If when realizing driving of forward double speed and reverse drive, then need realize the double speed function of motion through the variable-frequency motor that has frequency converter, cost is higher.
Summary of the invention
The utility model provides a kind of simple in structure to existing the problems referred to above in the prior art, can realize gear and velocity variations, the third gear double speed foot switch that cost is low.
The purpose of the utility model is achieved in that third gear double speed foot switch; It is characterized in that: two-direction switch is installed at the back side of seat board in the location, and foot-operated bearing is installed in the positive bottom of locating seat board through bearing pin, and foot-operated bearing middle part is passed through bearing pin and is connected with an end of oscillating deck; The other end of oscillating deck is connected with an end of fork through bearing pin; The other end of fork is connected with the mandrel of two-direction switch, and the mandrel end of two-direction switch is a rectangle, and two dog screws are installed on the rectangle end face of mandrel; Between the top of oscillating deck and location seat board, be provided with horizontal extension spring, between the mandrel of two-direction switch and the fork torsion spring be installed.
The beneficial effect of the utility model: the utility model adopts said structure; Drive the mandrel rotation of two-direction switch through the linkage of oscillating deck, fork formation; Realized double-speed motor high speed, low speed, the switching manipulation of four positions stops, reversing; Promptly on the common double speed motor, realized the dismounting operation of a plurality of speed of tire height, improved the fast assembling-disassembling efficiency of operation, also substituted the higher frequency conversion drive mode of cost and accomplished the double-speed switch operation.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Third gear double speed foot switch; Two-direction switch 6 is installed at the back side of seat board 1 in the location; Foot-operated bearing 2 is installed in the positive bottom of locating seat board 1 through bearing pin 4, and foot-operated bearing 2 can be that freely rotate at the center with bearing pin 4, in foot-operated bearing 2 centre positions oscillating deck 7 is installed; Be connected through bearing pin 8 between oscillating deck 7 and the foot-operated bearing 2, the two can be that the centre of gyration rotates or swing with bearing pin 8; Realize being connected through bearing pin 3 between oscillating deck 7 and the fork 5, the two can be the rotation or the swing of the centre of gyration with bearing pin 3; Fork 5 is connected with the mandrel 6.1 of two-direction switch 6 one ends; Mandrel 6.1 ends of two-direction switch are rectangle; Two screw 11 heads screw-ins are locked on the rectangle end face of mandrel 6.1; Thereby the relative angle between locking fork 5 and the mandrel 6.1 drives the rotation of two-direction switch mandrel 6.1 by the rotation of fork 5, and the rotation of two-direction switch mandrel 6.1 realizes that two-direction switch moves; The top of seat board 1 is provided with bearing pin 10 in the location, is positioned on the extended line of oscillating deck operation; One end of horizontal extension spring 12 is fixed on the bearing pin 10; The other end of horizontal extension spring 12 is fixed on the oscillating deck 7 through bearing pin 3; Torsion spring 13 is installed on the mandrel 6.1 of two-direction switch; One end of torsion spring 13 is spacing by screw 11, another end line of torsion spring 13 by fork 5 and oscillating deck 7 tops to be connected bearing pin 3 spacing.
Can realize the realization of four positions of two-direction switch through the rotation of two-direction switch mandrel, i.e. four positions of " counter-rotating " of corresponding two-direction switch, " stopping ", " just changeing 1 ", " just changeing 2 ", three gears.
The operation principle of the utility model is following:
1. " stop " position: this position is a middle transition position of four-bar linkage (foot-operated bearing, oscillating deck, fork and location seat board); This position is leaned on torsion spring 13 and extension spring 12 to control two-direction switch mandrel 6.1 respectively and is made progress and downward moving; Under the situation that no external force applies, maintenance can be stablized in this position.
2. location point makes progress: " being the limit point of a upper end of four-bar linkage ", this position can be accomplished reductor motor counter-rotating action; Reach this position when applying (being that foot switch upwards lifts) in external force, return " stopping " position when external force is cancelled automatically; Upwards lift pedal; Foot-operated bearing 2 on the seat board 1 of location is that the radius of gyration upwards lifts with foot-operated bearing pin 4; Do to rotate counterclockwise driving upwards counter-rotating of two-direction switch 6 through foot-operated bearing 2, oscillating deck 7 and fork 5 respectively with bearing pin 4 and mandrel 6.1, thereby realize the closure of two-direction switch 6 reverse switch positions.
3. to upper/lower positions 1: this position is a downward intermediate point of four-bar linkage, and the reductor motor can be accomplished in this position is just changeing the low speed action; When external force applies, reach this position, return stop position when external force is cancelled automatically; Concrete operating principle is following: step on down pedal downwards; Foot-operated bearing 2 on the seat board 1 of location is that the radius of gyration is depressed downwards with foot-operated bearing pin 4; Driving two-direction switch 6 through foot-operated bearing 2, oscillating deck 7 and fork 5 is just changeing; Torsion spring 13 discharges stress at this moment, and extension spring 13 is applied by external force and extends, thereby realizes the closure of the two-direction switch 6 forward position of the switch 1.
4. to upper/lower positions 2: " being another limit point (downward limit point) of four-bar linkage ", the reductor motor can be accomplished in this position is just changeing high speed motion; When external force applies, reach this position, return " stopping " position when external force is cancelled automatically; Concrete operating principle is following: on the basis of upper/lower positions 1, continuing to press down with the foot pedal down downwards; Foot-operated bearing 2 on the seat board 1 of location is that the radius of gyration is depressed downwards with foot-operated bearing pin 4, and oscillating deck 7 moves with the just commentaries on classics high speed rotating that two-direction switch 6 can be accomplished in fork 5 positions in alignment (being lower dead point position).Torsion spring 13 discharges stress at this moment, and extension spring 13 is applied by external force and continues elongation, thereby realizes the closure of the two-direction switch 6 forward position of the switch 2.
Claims (1)
1. third gear double speed foot switch; It is characterized in that: two-direction switch is installed at the back side of seat board in the location, and foot-operated bearing is installed in the positive bottom of locating seat board through bearing pin, and foot-operated bearing middle part is passed through bearing pin and is connected with an end of oscillating deck; The other end of oscillating deck is connected with an end of fork through bearing pin; The other end of fork is connected with the mandrel of two-direction switch, and the mandrel end of two-direction switch is a rectangle, and two dog screws are installed on the rectangle end face of mandrel; Between the top of oscillating deck and location seat board, be provided with horizontal extension spring, between the mandrel of two-direction switch and the fork torsion spring be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201611954U CN202564072U (en) | 2012-04-17 | 2012-04-17 | Three-gear two-speed foot switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201611954U CN202564072U (en) | 2012-04-17 | 2012-04-17 | Three-gear two-speed foot switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202564072U true CN202564072U (en) | 2012-11-28 |
Family
ID=47213700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201611954U Expired - Fee Related CN202564072U (en) | 2012-04-17 | 2012-04-17 | Three-gear two-speed foot switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202564072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873727A (en) * | 2020-06-30 | 2020-11-03 | 广州赫力汽车维修设备有限公司 | Pedal mechanism for tire dismounting machine |
-
2012
- 2012-04-17 CN CN2012201611954U patent/CN202564072U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873727A (en) * | 2020-06-30 | 2020-11-03 | 广州赫力汽车维修设备有限公司 | Pedal mechanism for tire dismounting machine |
| CN111873727B (en) * | 2020-06-30 | 2022-11-25 | 广州赫力汽车维修设备有限公司 | Pedal mechanism for tire dismounting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20130417 |