CN2626748Y - Man carried electric wrench for dismounting automobile tire - Google Patents
Man carried electric wrench for dismounting automobile tire Download PDFInfo
- Publication number
- CN2626748Y CN2626748Y CN 03255638 CN03255638U CN2626748Y CN 2626748 Y CN2626748 Y CN 2626748Y CN 03255638 CN03255638 CN 03255638 CN 03255638 U CN03255638 U CN 03255638U CN 2626748 Y CN2626748 Y CN 2626748Y
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- Prior art keywords
- eccentric
- flywheel
- main axis
- eccentric main
- clutch device
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- Expired - Lifetime
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- 244000208734 Pisonia aculeata Species 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A portable electric wrench for automobile tyre dismantling consists of a DC electric machine, a centrifugal clutch device, a flywheel, eccentric crash blocks, an eccentric main shaft and a resetting press plate. The output shaft of the DC electric machine is connected with the centrifugal clutch device, which is connected with the flywheel. The eccentric main shaft is arranged on the center of the flywheel and is provided with a curved notch on the outer annulus and two eccentric crash blocks arranged symmetrically around the eccentric main shaft. The resetting press plate is arranged between two crash blocks and the flywheel and is connected with a pullback spring. Compared with prior arts, the utility model provided with the flywheel, eccentric crash blocks and eccentric main shaft, can accumulate and enlarge the energy of the electric machine with small power, with the advantages of saved time and labor for the dismantling of the vehicle's tyre, small volume and portable convenience.
Description
Technical field:
The utility model relates to a kind of driver's tool field, particularly a kind of portable type power-operated wrench that is used for the motor tire dismounting.
Background technology:
In existing technology, in the vehicle ' process, the dismounting of vehicle tyre adopts manpower with afterburning thick stick with tear hand greatly open and carry out dismounting usually, waste time and energy, particularly require under the parking period situation seldom the dismounting tire at express highway etc., difficult, especially full size vehicle is extremely difficult especially, does not have portable motor tire dismounting power-operated wrench at present.
Summary of the invention:
Technical problem to be solved in the utility model is: existing vehicle tyre dismantling devices is wasted time and energy, and dismounting machinery is difficult for carrying.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to provide a kind of portable vehicle tire dismantling power-operated wrench, described portable vehicle tire dismantling power-operated wrench is by DC machine, centrifugal clutch device, flywheel, eccentric impact block, the eccentric main axis and the pressing plate that resets constitute, the output shaft of described DC machine is connected with described centrifugal clutch device, described centrifugal clutch device is supported by pair of bearings, and be connected with flywheel, be provided with an eccentric main axis at the center of described flywheel, offer arc-shaped slot on the excircle of described eccentric main axis, the center of the described eccentric main axis of arc misalignment of described arc-shaped slot, around eccentric main axis, be symmetrically arranged with two eccentric impact blocks, the shape of the inwall of described eccentric main axis arc-shaped slot and the outer wall of described eccentric impact block matches, described eccentric impact block is connected with described flywheel by locating dowel pin, between two eccentric impact blocks and flywheel, all be provided with the pressing plate that resets, reset at two and to be provided with a pair of reset tension spring between the pressing plate, arranged outside at two pressing plates that reset has the square hole of resetting, and is provided with collet head at the axle head of eccentric main axis.
Working process of the present utility model is: when DC machine is started working, drive centrifugal clutch device, when reaching certain rotating speed, centrifugal clutch device is under action of centrifugal force, open driving device, drive is attached thereto the flywheel that connects and rotates, the flywheel rotating speed increases gradually, when the energy accumulation of flywheel during to certain value, resets pressing plate under action of centrifugal force, move quickly into top in the square hole that resets, the pressing plate that resets separates with eccentric impact block, and eccentric impact block also under action of centrifugal force, rotates around locating dowel pin, one that eccentric impact block is lighter is downward, its outer wall clashes into mutually with the inwall of eccentric main axis arc-shaped slot, and eccentric main axis is under the impact effect of eccentric impact block, and the collet head that drives axle head rotates, tighten (pine) nut or screw, simultaneously, centrifugal clutch device separates again, and the pressing plate that resets is pressed on the eccentric impact block under spring pressure again, eccentric impact block resets and separates with eccentric main axis, and motor dallies again.
The utility model and prior art contrast, owing to be provided with flywheel, eccentric impact block and eccentric main axis, so the energy accumulation of low-power machine can be amplified, make the vehicle tyre dismounting time saving and energy saving, and volume are less, is easy to carry about with one.
Description of drawings:
Fig. 1 is the structural representation of the utility model portable vehicle tire dismantling power-operated wrench.
Fig. 2 is the cross-sectional schematic of the flywheel part in the utility model portable vehicle tire dismantling power-operated wrench.
The specific embodiment:
As depicted in figs. 1 and 2, the utility model portable vehicle tire dismantling power-operated wrench, by DC machine 1, centrifugal clutch device 2, flywheel 3, eccentric impact block 4, the eccentric main axis 5 and the pressing plate 6 that resets constitute, the output shaft of described DC machine 1 is connected with described centrifugal clutch device 2, described centrifugal clutch device 2 is supported by pair of bearings 7, and be connected with flywheel 3, be provided with an eccentric main axis 5 at the center of described flywheel 3, offer arc-shaped slot on the excircle of described eccentric main axis 5, around eccentric main axis 5, be symmetrically arranged with two eccentric impact blocks 4, the inwall 8 of described eccentric main axis 5 arc-shaped slots matches with the shape of the outer wall 9 of described eccentric impact block 4, described eccentric impact block 4 is connected with described flywheel 3 by locating dowel pin 10, all be provided with the pressing plate 6 that resets at two eccentric impact blocks 4 and 3 on flywheel, reset at two and to be provided with a pair of retracing spring 11 between the pressing plate 6, arranged outside at two pressing plates 6 that reset has the square hole of resetting 12, is provided with collet head 13 at the axle head of eccentric main axis 5.
Claims (4)
1, a kind of portable vehicle tire dismantling power-operated wrench, by DC machine, centrifugal clutch device, flywheel, eccentric impact block, the eccentric main axis and the pressing plate that resets constitute, it is characterized in that: the output shaft of described DC machine is connected with described centrifugal clutch device, described centrifugal clutch device is connected with flywheel, be provided with an eccentric main axis at the center of described flywheel, offer arc-shaped slot on the excircle of described eccentric main axis, the center of the described eccentric main axis of arc misalignment of described arc-shaped slot, described two eccentric impact blocks be symmetricly set on described eccentric main axis around, between two eccentric impact blocks and flywheel, be provided with the described pressing plate that resets.
2, portable vehicle tire dismantling power-operated wrench according to claim 1 is characterized in that: the shape of the inwall of described eccentric main axis arc-shaped slot and the outer wall of described eccentric impact block matches.
3, portable vehicle tire dismantling power-operated wrench according to claim 2 is characterized in that: described eccentric impact block is connected with described flywheel by locating dowel pin.
4, portable vehicle tire dismantling power-operated wrench according to claim 1, it is characterized in that: resetting at two is provided with a pair of reset tension spring between the pressing plate, in the arranged outside of two pressing plates that reset the square hole of resetting is arranged, and is provided with collet head at the axle head of eccentric main axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03255638 CN2626748Y (en) | 2003-07-15 | 2003-07-15 | Man carried electric wrench for dismounting automobile tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03255638 CN2626748Y (en) | 2003-07-15 | 2003-07-15 | Man carried electric wrench for dismounting automobile tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2626748Y true CN2626748Y (en) | 2004-07-21 |
Family
ID=34253754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03255638 Expired - Lifetime CN2626748Y (en) | 2003-07-15 | 2003-07-15 | Man carried electric wrench for dismounting automobile tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2626748Y (en) |
-
2003
- 2003-07-15 CN CN 03255638 patent/CN2626748Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHEN JIANHONG Effective date: 20050617 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050617 Address after: 201906 Shanghai city Baoshan District Road No. 120 Room 201 Fu Village Co-patentee after: Chen Jianhong Patentee after: Zhang Shuiguan Address before: 201906 Shanghai city Baoshan District Road No. 120 Room 201 Fu Village Patentee before: Zhang Shuiguan |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HENGYE MOTOR-DRIVEN TOOLS MANUFACTURING Free format text: FORMER OWNER: ZHANG SHUIGUAN; PATENTEE Effective date: 20051028 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20051028 Address after: 201906 No. 300 Lianyi Road, Shanghai Patentee after: Shanghai Heng Ye electric tools manufacturing Co., Ltd. Address before: 201906 Shanghai city Baoshan District Road No. 120 Room 201 Fu Village Co-patentee before: Chen Jianhong Patentee before: Zhang Shuiguan |