CN2441609Y - Disassembling and assembly device for bolt - Google Patents
Disassembling and assembly device for bolt Download PDFInfo
- Publication number
- CN2441609Y CN2441609Y CN 00251359 CN00251359U CN2441609Y CN 2441609 Y CN2441609 Y CN 2441609Y CN 00251359 CN00251359 CN 00251359 CN 00251359 U CN00251359 U CN 00251359U CN 2441609 Y CN2441609 Y CN 2441609Y
- Authority
- CN
- China
- Prior art keywords
- impact block
- main shaft
- rotating disk
- force
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Centrifugal Separators (AREA)
Abstract
The utility model relates to a disassembly and assembly device for bolts. A rotary disk is pivoted with an eccentric impact block. One end of the eccentric impact block with a longer force arm with a fulcrum of a pivot is provided with an elastic piece. The impact block and a main shaft are separated by a definite space and are matched on structures. The contact surface of the impact block and the rotary disk is provided with a pressure spring and an elastic bead which is matched and connected with the pressure spring. The partial circumferential surface of the elastic bead is scarfed with the impact block. The other partial circumferential surface is scarfed with the rotary disk.
Description
The utility model relates to a kind of attaching/detaching apparatus of bolt, relates in particular to the connecting shaft structure of the motor shaft and the main shaft of this device.
In the prior art, the attaching/detaching apparatus of automobile bolt especially is because need have bigger revolving force, so adopted a kind of coupling device of impulse form in the connecting shaft structure of motor shaft and main shaft.In this device, motor shaft is fixedlyed connected with rotating disk, is articulated with eccentric impact block by latch on rotating disk, is to be pressed with elastic component on the long end of the fulcrum arm of force with the latch at impact block.Impact block is complementary mutually across a certain distance and structurally with main shaft, and promptly main shaft is provided with projection, to guarantee that at impact block be the chimeric point that a torsion is arranged between short end of the fulcrum arm of force and the main shaft with the latch.Its operation principle is: motor shaft drives the rotating disk rotation, impact block is under the drive of rotating disk, when rotating speed reaches certain value, because action of centrifugal force, impact block is that the elastic force of elastic component on the long end of the fulcrum arm of force is less than centrifugal force with the latch, impact block is that the long end of the fulcrum arm of force is thrown out of with the latch, and then to make impact block be the short end of the fulcrum arm of force with the latch to main shaft near and the final projection of inlay card at main shaft on, above-mentioned process moment finishes, make impact block a bigger impulsive force be arranged, also make main shaft that bolt is had bigger revolving force main shaft.After impact block and main shaft impacted, the rotating speed of rotating disk and motor shaft was slack-off suddenly, and centrifugal force reduces, and impact block resets under the effect of elastic component, goes round and begins again, and makes device finish the installation task of bolt.In like manner, the impact block of a symmetry is set on the relative main shaft symmetric position of above-mentioned impact block, then makes the main shaft reverse rotation, be used for unscrewing of bolt.There is following shortcoming in the syndeton of above-mentioned impact block and main shaft: the rotating speed of motor shaft has an increasing process from slow to fast, thereby the rotating disk turning effort also has an increasing process in the centrifugal force of impact block, this makes that the interlocking of impact block and main shaft is also incomplete when producing impulsive force, influence the stability of device work, and make parts fragile.
The interlocking speed that the purpose of this utility model is to provide a kind of impact block and main shaft is the attaching/detaching apparatus of bolt soon and completely.
For achieving the above object, the utility model has adopted following technical pattern: comprise motor and motor shaft, motor shaft is fixedly connected with rotating disk, on rotating disk, be articulated with eccentric impact block, at impact block is to be provided with elastic component on the long end of the fulcrum arm of force with the pivot, impact block is complementary mutually across a certain distance and structurally with main shaft, be that main shaft is provided with projection, so that be the chimeric point that a torsion is arranged between short end of the fulcrum arm of force and the main shaft with the latch at impact block, it is characterized in that the hoodle that on the contact-making surface of impact block and rotating disk, is provided with stage clip and is connected with stage clip, the part periphery of hoodle and impact block interlocking, another part periphery and rotating disk interlocking.
Owing to adopted technique scheme, at the rotating speed of motor shaft from slow to fast increasing process is arranged, and the rotating disk turning effort is in the increasing process of the centrifugal force of impact block, do not rotate under the effect of the hoodle that impact block is connected at stage clip and with stage clip, have only when centrifugal force is enough big, impact block is depressed hoodle, make centrifugal force obtain suddenly discharging, impact block reverses fast and rabbets fully with main shaft, this makes the stability of device work be improved, and make parts not fragile, prolonged the service life of parts.
Fig. 1 the utility model structural representation
The A-A profile of Fig. 2 Fig. 1
Fig. 3 is complete when chimeric at impact block and main shaft, the A-A profile of Fig. 1
The B-B profile of Fig. 4 Fig. 2
Below in conjunction with embodiment and accompanying drawing the technical solution of the utility model is further described.
As shown in Figure 1: comprise motor 1 and motor shaft 2, motor shaft 2 is fixedly connected with rotating disk 3, is articulated with eccentric impact block 5 by latch 4 on rotating disk 3, and impact block 5 structurally is complementary with main shaft 6 and is connected.
As shown in Figure 2: at impact block 5 is to be provided with elastic component on the long end of the fulcrum arm of force with pivot 4 (being latch), this elastic component is a torsion spring 7, impact block 5 is complementary mutually across a certain distance and structurally with main shaft 6, be that main shaft 6 is provided with projection, so that be the chimeric point that a torsion is arranged between short end of the fulcrum arm of force and the main shaft 6 with latch 4 at impact block 5.On the rotating disk 3 that near impact block 5 be the fulcrum arm of force one end of lacking, also be provided with a backing pin 8 with latch 4, with prevent impact block 5 in the effect subinverse direction of torsion spring 7 near main shaft 6.On the contact-making surface of impact block 5 and rotating disk 3, be crimped with hoodle 9.
As shown in Figure 3, Figure 4: described stage clip 11 is located in the hole 12 of impact block 5, and corresponding with it rotating disk 3 is provided with the groove 10 chimeric with hoodle 9.Motor shaft drives rotating disk 2 rotations, do not rotate under the effect of the hoodle 9 that impact block 5 is connected at stage clip 11 and with stage clip, have only when centrifugal force is enough big, impact block 5 is depressed hoodle 9, make centrifugal force obtain suddenly discharging, at this moment, impact block 5 is that the elastic force of torsion spring 7 on the long end of the fulcrum arm of force is less than centrifugal force with latch 4, impact block 5 is that the long end of the fulcrum arm of force is thrown out of with latch 4, and then to make impact block 5 be that the short end of the fulcrum arm of force reverses fast and rabbets fully with main shaft 6 with latch 4, above-mentioned process moment finishes, and makes 5 pairs of main shafts 6 of impact block that a bigger impulsive force be arranged, and also makes main shaft that bolt is had bigger revolving force.After impact block 5 impacted with main shaft 6, the rotating speed of rotating disk 3 and motor shaft was slack-off suddenly, and centrifugal force reduces, and impact block 5 resets under the effect of torsion spring 7, goes round and begins again, and makes device finish the installation task of bolt.In like manner, the impact block of a symmetry is set on the relative main shaft symmetric position of above-mentioned impact block, then makes the main shaft reverse rotation, be used for unscrewing of bolt.
As shown in Figure 4: the part periphery and impact block 5 interlockings of stage clip 11 and the hoodle 9 that is connected with stage clip, another part periphery is rabbeted with rotating disk 3.In the present embodiment, described stage clip 11 is located in the hole 12 of impact block 5, and corresponding with it rotating disk 3 is provided with the groove 10 chimeric with hoodle 9.Certainly, stage clip also can be located on the rotating disk, and corresponding with it impact block is provided with the groove chimeric with hoodle.
Claims (2)
1, a kind of attaching/detaching apparatus of bolt, comprise motor and motor shaft, motor shaft is fixedly connected with rotating disk, on rotating disk, be articulated with eccentric impact block, at impact block is to be provided with elastic component on the long end of the fulcrum arm of force with the pivot, impact block is complementary mutually across a certain distance and structurally with main shaft, be that main shaft is provided with projection, so that be the chimeric point that a torsion is arranged between short end of the fulcrum arm of force and the main shaft with the latch at impact block, it is characterized in that the hoodle that on the contact-making surface of impact block and rotating disk, is provided with stage clip and is connected with stage clip, the part periphery of hoodle and impact block interlocking, another part periphery and rotating disk interlocking.
2, the attaching/detaching apparatus of bolt as claimed in claim 1 is characterized in that described stage clip is located in the hole of impact block, and corresponding with it rotating disk is provided with the groove chimeric with hoodle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00251359 CN2441609Y (en) | 2000-09-05 | 2000-09-05 | Disassembling and assembly device for bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00251359 CN2441609Y (en) | 2000-09-05 | 2000-09-05 | Disassembling and assembly device for bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2441609Y true CN2441609Y (en) | 2001-08-08 |
Family
ID=33609316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00251359 Expired - Fee Related CN2441609Y (en) | 2000-09-05 | 2000-09-05 | Disassembling and assembly device for bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2441609Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608099A (en) * | 2013-11-04 | 2015-05-13 | 南京德朔实业有限公司 | Electric tool for outputting torque |
-
2000
- 2000-09-05 CN CN 00251359 patent/CN2441609Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104608099A (en) * | 2013-11-04 | 2015-05-13 | 南京德朔实业有限公司 | Electric tool for outputting torque |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |