CN200967144Y - Manual gripping device - Google Patents
Manual gripping device Download PDFInfo
- Publication number
- CN200967144Y CN200967144Y CN 200620147700 CN200620147700U CN200967144Y CN 200967144 Y CN200967144 Y CN 200967144Y CN 200620147700 CN200620147700 CN 200620147700 CN 200620147700 U CN200620147700 U CN 200620147700U CN 200967144 Y CN200967144 Y CN 200967144Y
- Authority
- CN
- China
- Prior art keywords
- spanner
- housing
- clamping device
- hand actuable
- actuable clamping
- 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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Abstract
The utility model discloses a manual clamping device, which comprises a shell body with a helix axial line and a gear speed reducing mechanism connected to the shell body. The gear speed reducing mechanism comprises an output axis; a screw thread is positioned on the output axis; the shell body is connected to a spanner; the shell body and the spanner are connected via a hinge axis. By connecting the shell body and the spanner with the hinge axis, it can be ensured that when the clamping device is operated or used for a plurality of times or in high speed rotation under normative operational status, the spanner and the shell body will not displace, thus overcoming the defect of off centering and preventing the abnormal shaking of the whole machine during the working process.
Description
Technical field
The utility model relates to a kind of hand actuable clamping device, and especially a kind of being used for is clamped to hand actuable clamping device on the driving shaft with electric tool disc type working head.
Background technology
A kind of electric circular saw of Chu Shouing in the market, its hand actuable clamping device that adopts as depicted in figs. 1 and 2, the main purpose of this clamping device is that saw blade is clamped on the driving shaft, this driving shaft is rotated by Motor Drive, driving shaft is provided with screwed hole, whole clamping process does not need to use other instrument, as long as rely on the operator manually can finish saw blade is clamped.This hand actuable clamping device comprises spanner 14 ', the housing 11 ' that links to each other with spanner 14 ', the gear reduction that is connected with housing 11 ', described gear reduction comprises an output shaft, this output shaft is provided with screw thread, this screw thread can be connected to be used for clamping saw blade with the threaded engagement that is provided with on the driving shaft, described housing 11 ' arranged outside has groove 41, spanner 14 ' can slide in described groove 41, be provided with wind spring 40 between spanner 14 ' and the housing 11 ', under nature, wind spring 40 shrinks, at this moment, spanner 14 ' is not opened (with reference to figure 1); In clamping process, when needs increase moment of torsion, spanner 14 ' can be slided into extreme position along groove 41, at this moment, spanner 14 ' is opened in (with reference to figure 2), and wind spring 40 is stretched.One of defective of this hand actuable clamping device is: after wind spring is stretched for more than 40 time, fatigue damage takes place easily, cause it can not drive spanner 14 ' and normally reset, it is eccentric so just to make clamping device exist, when saw blade and clamping device rotated at a high speed, unusual shake took place in entire machine; Two of defective is: when saw blade and clamping device rotate at a high speed, because the cause of centrifugal force, spanner 14 ' can overcome the strength of wind spring 40 and groove 41 on the housing 11 ' slides, it is eccentric to make clamping device exist so equally, cause in the course of the work, unusual shake can take place in entire machine equally.
The utility model content
The technical problems to be solved in the utility model provides a kind of hand actuable clamping device, and is especially in use a kind of, can not produce the hand actuable clamping device of eccentric phenomena.
For solving the problems of the technologies described above, hand actuable clamping device of the present utility model comprises that one has the housing of rotation, the gear reduction that is connected with housing, described gear reduction comprises an output shaft, this output shaft is provided with screw thread, described housing is connected with spanner, and being connected between described housing and the spanner is pivotally connected.
By being set to being connected between housing and the spanner pivotally connected, after making that clamping device repeatedly is operated use, when perhaps its high speed in operate as normal is rotated, can not be subjected to displacement error between spanner and the housing, overcome the generation of eccentric phenomena, avoided in the course of the work, the problem of unusual shake takes place in entire machine.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further.
Fig. 1 is the schematic diagram of hand actuable clamping device in the prior art, and this moment, spanner was not opened.
Fig. 2 is the schematic diagram of hand actuable clamping device in the prior art, and this moment, spanner was in open mode.
Fig. 3 is the schematic diagram of hand actuable clamping device in the utility model, and this moment, spanner was not opened.
Fig. 4 is the schematic diagram of hand actuable clamping device in the utility model, and this moment, spanner was in open mode.
Fig. 5 is the side-view of the utility model middle shell together with sun gear.
Fig. 6 is the exploded view of hand actuable clamping device in the utility model.
Wherein:
10 hand actuable clamping devices, 11,11 ' housing, 112 projections
114 bar-shaped troughs, 115 cavitys, 12 gear reductions
14,14 ' spanner, 141 spaces, 15 flexible members
151,152 buckles, 18 magnets, 19 sun gears
20 planetary gears, 21 planet carriers, 212 screw threads
213 output shafts, 22 ring gears, 23 fixed disks
24 pads, 30 rotations, 40 wind springs
42 of 41 grooves
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
By Fig. 3, Fig. 5 and shown in Figure 6, hand actuable clamping device 10 comprises housing 11, the gear reduction 12 that is connected with housing 11, this gear reduction 12 is a planetary gear reducing mechanism, this planetary gear reducing mechanism comprises a sun gear 19, several planetary gears 20, one planet carrier 21, one ring gear 22 and a fixed disk 23, one is arranged on the pad 24 between housing 11 and the planetary gear reducing mechanism, the end of described planet carrier 21 is the output shaft 213 of star gear reduction, this output shaft 213 is provided with screw thread 212, and sun gear 19 is fixedly installed on the inboard of housing 11; Housing 11 outsides are connected with spanner 14, and being connected between housing 11 and the spanner 14 is pivotally connected, and axle 42 is pivot.Be provided with flexible member 15 between spanner 14 and the housing 11, described flexible member 15 is a torsion spring.There are a shape, size and described spanner 14 corresponding cavitys 115 in described housing 11 outsides, and when spanner 14 resetted, spanner 14 just in time was positioned at this cavity 115.The bottom surface of cavity 115 is provided with projection 112, and torsion spring comprises two buckles 151,152, and one of them buckle 151 is connected on the projection 112, and another buckle is connected on the spanner 14.Spanner 14 is provided with space 141 with described projection 112 corresponding positions, this space 141 is provided with magnet 18, when spanner 14 resets, when just torsion spring is in normal condition, described magnet 18 is fitted with projection 112, and its main purpose is the strength that combines that increases spanner 14 and housing 11.
By shown in Figure 4, housing 11 has defined a rotation 30, and this rotation 30 runs through cavity 115, and spanner 14 can rotate around axle 42 pivots, the rotation 30 mutual vertical settings of axle 42 and housing 11.
To shown in Figure 6, the peripheral part of housing 11 is provided with the bar-shaped trough 114 of antiskid function by Fig. 3, and it mainly acts on is the frictional force that increases between housing 11 and operator's the hand 14, is convenient to the manual rotary shell 11 of operator.
In actual mechanical process, the operator opens the spanner 14 that is connected with housing 11, follow rotary spanner 14, spanner 14 drives housing 11 around rotation 30 rotations, housing 11 drives sun gear 19 rotations of fixedlying connected with it, sun gear 19 drives planet carrier 21 rotations by the effect of planetary gear 20 and ring gear 22, because planet carrier 21 is provided with output shaft 213, the end of this output shaft 213 is provided with screw thread 212, so in fact the rotation of planet carrier 21 has driven the rotation of screw thread 212, has so just realized manual clamping.
In the above-described embodiments, if do not use flexible member 15, and being equipped with between spanner 14 and the cavity 115 is " interference fit ", when spanner 14 resets, the strength that relies on " interference fit ", spanner 14 and housing 11 can be closely linked, can reach comparatively satisfied technique effect so too.
Claims (10)
1. a hand actuable clamping device (10), comprise that one has the housing (11) of rotation, the gear reduction (12) that is connected with housing (11), described gear reduction (12) comprises an output shaft (213), this output shaft (213) is provided with screw thread (212), it is characterized in that: described housing (11) is connected with spanner (14), and being connected between described housing (11) and the spanner (14) is pivotally connected.
2. hand actuable clamping device according to claim 1 (10), it is characterized in that: described housing (11) arranged outside has the corresponding cavity (115) of a shape, size and described spanner (14), when spanner (14) when resetting, spanner (14) just in time is positioned at this cavity (115).
3. hand actuable clamping device according to claim 2 (10), it is characterized in that: the rotation (30) of described housing (11) runs through described cavity (115), spanner (14) rotates around axle (42) pivot, axle (42) and the mutual vertical setting of the rotation (30) of housing (11).
4. hand actuable clamping device according to claim 3 (10), it is characterized in that: be provided with flexible member (15) between spanner (14) and the housing (11), described flexible member (15) is a torsion spring, this torsion spring comprises two buckles (151,152), one of them buckle is connected on the housing (11), and another buckle is connected on the spanner (14).
5. hand actuable clamping device according to claim 4 (10) is characterized in that: the bottom surface of described cavity (115) is provided with projection (112), and a buckle (151) of described torsion spring is connected on this projection (112).
6. hand actuable clamping device according to claim 5 (10), it is characterized in that: described spanner (14) is provided with space (141) with described projection (112) corresponding position, this space (141) is provided with magnet (18), when spanner (14) when resetting, described magnet (18) is fitted with projection (112).
7. hand actuable clamping device according to claim 1 (10), it is characterized in that: described gear reduction (12) is a planetary gear reducing mechanism, this planetary gear reducing mechanism comprises a sun gear (19), several planetary gears (20), a planet carrier (21), a ring gear (22) and a fixed disk (23), and described sun gear (19) is fixedly installed on the inboard of housing (11).
8. hand actuable clamping device according to claim 7 (10) is characterized in that: described planet carrier (21) is provided with output shaft (213), and the end of this output shaft (213) is provided with screw thread (212).
9. hand actuable clamping device according to claim 8 (10) is characterized in that: also be provided with pad (24) between described housing (11) and planetary gear reducing mechanism.
10. hand actuable clamping device according to claim 1 (10) is characterized in that: the peripheral part of described housing (11) is provided with bar-shaped trough (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620147700 CN200967144Y (en) | 2006-10-30 | 2006-10-30 | Manual gripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620147700 CN200967144Y (en) | 2006-10-30 | 2006-10-30 | Manual gripping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200967144Y true CN200967144Y (en) | 2007-10-31 |
Family
ID=38966716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620147700 Expired - Fee Related CN200967144Y (en) | 2006-10-30 | 2006-10-30 | Manual gripping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200967144Y (en) |
-
2006
- 2006-10-30 CN CN 200620147700 patent/CN200967144Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071031 Termination date: 20141030 |
|
| EXPY | Termination of patent right or utility model |