CN204431111U - Fast fixture - Google Patents
Fast fixture Download PDFInfo
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- CN204431111U CN204431111U CN201520064517.7U CN201520064517U CN204431111U CN 204431111 U CN204431111 U CN 204431111U CN 201520064517 U CN201520064517 U CN 201520064517U CN 204431111 U CN204431111 U CN 204431111U
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- hole
- branch
- axle
- front axle
- screw
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Abstract
A kind of fast fixture, comprises locking wrench, latch, connecting axle, screw and base portion, and wherein, base portion comprises the first branch and second branch of compartment of terrain setting, the first branch is provided with the first through hole, the second branch is provided with the second through hole; Screw comprises screw cover and threaded shank, and screw cover is arranged at outside the outer surface of the first branch, and threaded shank is passed the first through hole and is provided with external screw thread; Connecting axle comprises front axle and rear axle, and front axle is connected in the mode of rotating separation with rear axle, and front axle is provided with the screwed hole be threadedly engaged with the external screw thread of screw, and rear axle is provided with the pin hole outside the outer surface being positioned at the second branch; Locking wrench is mounted to rear axle pivotly by the latch be inserted in pin hole, in locking state, screw cover is against the outer surface of the first branch, now, locking wrench can reversibly about latch pivotable, make connecting axle and threaded shank along moving towards the first branch, this Quick-clamped structure to be unlocked.
Description
Technical field
The application relates to a kind of clamping device, especially for the clamping device of clamping audio frequency apparatus.
Background technology
Application for the fast fixture of clamping/loose components is rapidly as known in the art.It is exemplarily applied to and is clamped by device as required, and is unclamped by clamped device.
Such device typically comprises: locking wrench, latch, connecting axle, screw and base portion.And normally, wherein connecting axle and locking wrench are linked together by latch, connecting axle is through base portion, and screw and the connecting axle portion of being threaded connection are connected to each other.Locking wrench is around latch relative to base portion pivotable, and make connecting axle drive screw to move relative to base portion, this fast fixture switches in clamped condition and releasing orientation thus.
Such fast fixture has intrinsic shortcoming, that is, when rotational lock spanner time, be difficult to invariably, locking wrench can drive connecting axle to rotate together by latch, and on the other hand, screw due to and the contact surface of base portion between frictional force and there is not corresponding rotation.Based on this, produce relative rotation between screw and connecting axle, and be threaded connection due to screw and connecting axle, make screw relative to connecting axle generation axially-movable, and then make the distance between screw and locking wrench become large or diminish.In such clamping device, the variation of this distance can produce corresponding problem: if distance diminishes, then this clamping device can exceedingly clamp, and can damage base portion or clamped equipment; If distance becomes large, then can have influence on the effect of clamping, the equipment being intended to be clamped cannot be clamped.
The utility model is intended to the fast fixture providing a kind of improvement, it avoids distance between screw and spanner by structural variation because the pivotable of locking wrench and change, and then avoids fast fixture inefficacy functionally or the damage of self.
Summary of the invention
This application discloses a kind of fast fixture, this clamping device comprises locking wrench, latch, connecting axle, screw and base portion.
This base portion comprises relatively and the first branch of compartment of terrain setting and the second branch, the first branch is provided with the first through hole, is provided with the second through hole on the second branch.This first through hole and the alignment of the second through hole.
Screw comprises screw cover and threaded shank, and screw cover is arranged at outside the outer surface of the first branch, and threaded shank is arranged through the first through hole, and threaded shank is provided with external screw thread.
Connecting axle comprises independent front axle and rear axle, and wherein said front axle is connected in the mode of rotating separation with rear axle connecting portion by front axle connecting portion with rear axle, and front axle inside is axially provided with the screwed hole be threadedly engaged with the external screw thread of screw.
Be accommodated in the second through hole hind axle part, and be provided with pin hole, wherein this pin hole is positioned at outside the outer surface of the second branch.Locking wrench is mounted to rear axle pivotly by the latch be inserted in pin hole.
In locking state, screw cover is against the outer surface of the first branch, and now, locking wrench, reversibly about latch pivotable, makes rear axle and then makes front axle and threaded shank move, to be unlocked by this fast fixture towards the direction of the first branch vertically.
Preferably, front axle connecting portion is included in its groove arranged near the end of rear axle, and rear axle connecting portion is included in inner cavity that its end near front axle arranges and the flange of radially-inwardly projection from this end near front axle, this inner cavity is for receiving the end of front axle connecting portion near rear axle, and described flange is fastened in the groove of front axle connecting portion.
If those skilled in the art are by accessible; above-mentioned front axle and the connected mode of rear axle are also nonrestrictive; it can have other structures as known in the art; as long as this connected mode makes the rotating separation of front axle and rear axle, its namely do not deviate from as by claim of the present utility model the protection domain that limits.
Preferably, the inherent inner surface place near the second branch of the second connecting hole is provided with the second radially-inwardly outstanding through hole stopper section, and the end of the close front axle of this stopper section restriction rear axle connecting portion is through the second passing hole.
Preferably, first through hole is stepped hole, and this first through hole is provided with the first through hole stopper section near the first inner surface place of branch, the cross section of part that first through hole extends towards the second branch from this first through hole stopper section is Long Circle, and front axle has the Long Circle cross-sectional profiles matched with it.This is configured to stop front axle relative to screw turns further, more preferably to realize effect of the present utility model.
Content of the present invention described above is only exemplarily, it will be understood by those skilled in the art that and can change this clamping device based on spirit of the present invention and improve and do not deviate from the present invention.Scope of the present invention determined by appending claims.
Accompanying drawing explanation
In the mode of non-limiting example, better illustrate the structure according to clamping device of the present utility model hereinafter with reference to following accompanying drawing.
Fig. 1 is the decomposition diagram according to clamping device of the present utility model;
Fig. 2 is the perspective illustration according to clamping device of the present utility model be in locking state;
Fig. 3 (a) is for being in the schematic cross sectional views according to clamping device of the present utility model in locking state;
Fig. 3 (b) is for being in the schematic cross sectional views according to clamping device of the present utility model in releasing orientation.
Detailed description of the invention
Hereinafter by reference to the accompanying drawings embodiment of the present utility model is described, should be understood that description is hereinafter only illustrative, and nonrestrictive.
The utility model discloses a kind of clamping device 1, it is such as the clamping of particular device.Hereinafter by reference to the accompanying drawings, be described this with novel specific embodiment, will understand, embodiment is hereinafter only illustrative, but not limits the utility model, and protection domain of the present utility model determined by described claims.
As shown in Figure 1, in a first embodiment, this clamping device 1 comprises locking wrench 10, latch 20, connecting axle 30, screw 40 and base portion 50.
It for switching in clamping and releasing orientation, thus clamps or unclamps specific equipment.
As shown in Figure 1, in this clamping device 1, base portion 50 comprises the first branch 51 and the second branch 52, and this first branch 51 and compartment of terrain relative with the second branch 52 is arranged.Interval between this first branch 51 and second branch 52 can such as inserting the particular device for clamping.This first branch 51 and the second branch 52 such as have certain toughness.
According in embodiment of the present utility model, the first branch 51 is provided with the first through hole 61, and correspondingly in the second branch 52, is provided with the second through hole 62.This first through hole 61 and the second through hole 62 align, that is, exemplarily, and the central axis of this first through hole 61 and the central axes of the second through hole 62.
In this clamping device 1, screw 40 comprises screw cover 41 and threaded shank 42, wherein threaded shank 42 is provided with external screw thread.The size of this threaded shank 42 is set to be adapted to pass through the first through hole 61, and screw cover 41 can not pass this first through hole 61.This screw cover 41 is arranged on outside the outer surface of the first branch 51 then, and threaded shank 42 is through the first through hole 61.
Further, in this clamping device 1, connecting axle 30 comprises independent front axle 31 and rear axle 32, and front axle 31 is set to across the gap between the first branch 51 and the second branch 52, and be exemplarily partly received in the first through hole 61, and another part is received in the second through hole 62; And rear axle 32 is set to partly be received in the second through hole 62.Wherein said front axle 31 comprises front axle connecting portion, and rear axle 32 comprises rear axle connecting portion.Front axle 31 is connected with rear axle connecting portion 320 by front axle connecting portion 310 with rear axle 32, and both rotating separations.Term " rotating separation " is referred to front axle 31 and the respective rotation of rear axle 32 and can not be delivered to each other by the connection of this front axle connecting portion 310 and rear axle connecting portion 320.In other words, the rotation of front axle 31 can not be passed to rear axle 32, and vice versa.But on the other hand, both motions are axially transmitted by this connecting portion 310,320, and that is, such as, front axle 31 makes rear axle 32 move vertically relative to base portion 50 similarly relative to the athletic meeting of base portion 50 vertically.
The connected mode of this rotating separation is by constitution realization common in mechanical connection field.Exemplarily, in one embodiment, this connected mode is realized by the cooperation of groove and flange.As shown in Fig. 1 and Fig. 3 (a), particularly, this front axle connecting portion 310 is included in the groove 311 that front axle 31 is arranged near the end 312 of rear axle 32, and rear axle connecting portion 320 is included in the chamber portion 322 that rear axle 32 is arranged near the end of front axle 31, wherein this chamber portion 322 has and is suitable for receiving the shape of front axle 31 near the end 312 of rear axle 32, and is accommodated in wherein end 312 thus.Especially, this chamber portion 322 radially break-through rear axle 32, so that end 312 is radially slipped in this chamber portion 322.Further, rear axle connecting portion 320 also comprises the flange 321 from rear axle 32 radially-inwardly projection near the end of front axle 31, and the size of this flange 321 is set to be adapted to be received in the groove 311 of front axle connecting portion 310.By such structure, front axle 31 and the respective rotation of rear axle 32 can not be passed to each other, and its separately motion vertically another part can be made correspondingly to move vertically.That is, front axle 31 achieves with rear axle 32 and is connected in the mode of rotating separation.
Those skilled in the art can understand, and can change, and do not deviate from protection domain of the present utility model to above-mentioned connected mode.Such as, front axle connecting portion 310 comprises chamber portion and flange configuration, and rear axle connecting portion 320 comprises the recess configurations coordinated with it.Or, (not shown) in other examples, front axle connecting portion 310 comprises the inner cavity of the end for receiving rear axle 32, and at the raceway groove that front axle 31 is arranged near the wall of the end break-through inner cavity of rear axle 32, and rear axle connecting portion 320 is provided with the contiguous block of radial protrusion correspondingly, this contiguous block is received in aforesaid raceway groove.Thus, the connection of the rotating separation of front axle connecting portion 310 and rear axle connecting portion 320 can be realized equally.In other embodiments in addition, front axle connecting portion 310 and rear axle connecting portion 320 can also have other structures as known in the art, as long as it can realize the connection of the rotating separation of front axle 31 and rear axle 32.
According in embodiment of the present utility model, front axle 31 is axially provided with for the screwed hole 313 with the external screw thread cooperation be arranged in the threaded shank 42 of screw 40 in inside, this screwed hole 313 is towards screw 40 opening, and threaded shank 42 is stretched into wherein by threaded engagement.Thus, screw 40 and front axle 31 rotation relative to each other can make screw 40 near or away from front axle 31, until screw 40 departs from from front axle 31 or screw rod 40 can not stretch into screwed hole 313 further.Based on this, change the length of the assembly of this front axle 31 and screw 40 by making screw 40 rotate relative to front axle 31.
Further, the one end of the connecting axle 30 connected in rotating separation mode engages with above-mentioned mode and screw 40, and other end break-through second through hole 62, outside the outer surface being positioned at the second branch 52 at least partially making rear axle 32.Be provided with pin hole 323 with going up radial break-through at least partially at this rear axle 32, be plugged in wherein for latch 20.And locking wrench 10 is mounted to rear axle 32 pivotly by the latch 20 be inserted in pin hole 323.
This clamping device 1 can switch in clamped condition and releasing orientation.This switching by locking wrench 10 around latch 20 reversibly pivotable realize.As shown in Fig. 2 and Fig. 3 (a), in locking state, screw cover 41 is against the outer surface of the first branch 51, and a part for locking wrench 10 is against the outer surface of the second branch 52, screw 40, first branch 51 of base portion 50 and the second branch 52 strain by the assembly that connecting axle 30 and locking wrench 10 form, this equipment (not shown) is between the two clamped in utilize the first branch 51 and the second branch 52, the axial length changing this assembly is rotated relative to front axle 31 by making screw 40, to change the clamping degree of this clamping device 1 in locking state.From this locking state, locking wrench 10 reversibly around latch 20 pivotable, to change the distance of latch 20 apart from the outer surface of the second branch 52.More specifically, make latch 20 closer to the outer surface of the second branch 52, thus make rear axle 32, then front axle 31 and screw 40 along the direction axially-movable pointing to the first branch 51 from the second branch 52.Thus, exemplarily, screw cover 41 is thrown off from the outer surface of the first branch 51, thus the first branch 51 of base portion 50 and the second branch 52 are no longer strained by the assembly be made up of screw 40, connecting axle 30 and locking wrench 10, are then unlocked by this clamping device 1.Those skilled in the art also will understand, according in other embodiments of the application, screw cover 41 can such as not thrown off from the outer surface of the first branch 51, and be only that its outer surface applied force against the first branch 51 reduces, thus make can relatively easily take out being clipped in the equipment (not shown) between the first branch and the second branch.Exemplarily, in releasing process, in the end of locking wrench 10 about the pivotable stroke of latch 20, that is, when locking wrench 10 can not continue pivotable, another part of locking wrench 10 against the outer surface of the second branch 52, as shown in Fig. 3 (b).
As shown in Fig. 3 (a)-3 (b), preferably, the inherent inner surface place near the second branch 52 of second through hole 62 is provided with the second radially-inwardly outstanding through hole stopper section 621, it is used as stop, the end of the close front axle 31 of rear axle 32 can not be entered in the middle of the first branch 51 and the second branch 52 through this second through hole 62, and the axially-movable of the front axle 31 of connecting axle 30 can not be stopped simultaneously.
Similarly, the inherent outer surface near the first branch 51 of first through hole 61 is provided with the first radially-inwardly outstanding through hole stopper section 611, it is used as stop, make the end of the close screw 40 of front axle 31 not pass this first through hole 61, and the axially-movable of the screw portion 42 of screw 40 can not be stopped simultaneously.
And preferably, first through hole 61 is stepped hole, and the cross section that the part of the direction extension of the second branch 52 is pointed on this first through hole 61 edge from the first through hole stopper section 611 is Long Circle, and the cross section of described front axle 31 has the Long Circle profile matched with it.Thus, front axle 31 partly can be received in this and have in the part of the first through hole 61 of Long Circle cross section, and contribute to the rotation that stops front axle 31 relative to screw 40 further when rear axle 32 rotates due to the pivotable of locking wrench 10, thus realize effect of the present utility model better.
And in this case, the outer surface of the first branch 51 also can comprise the part 63 from its depression, this part around the first through hole 61, and has the shape adapted for the surface of the outer surface contacting the first branch 51 with screw cover 41.
Although illustrated at least one exemplary embodiment in aforesaid general introduction and in describing in detail, should understand and there is a lot of variable part.Described one or more exemplary embodiment should be understood and be only example, and be not intended to limited range, purposes or configuration by any way.But, above-mentioned general introduction and detailed description will be provided for the explanation easily implementing at least one exemplary embodiment for those skilled in the art, various variation can be carried out to the function of the element described in exemplary embodiment and layout, and not deviate from the scope as illustrated in the equivalent on appending claims and its legal sense.
Claims (6)
1. a fast fixture, it comprises
Locking wrench, latch, connecting axle, screw and base portion, wherein,
Base portion comprises relatively and the first branch of compartment of terrain setting and the second branch, the first branch is provided with the first through hole, is provided with the second through hole on the second branch, this first through hole and the alignment of the second through hole;
Screw comprises screw cover and threaded shank, and screw cover is arranged at outside the outer surface of the first branch, and threaded shank is arranged through the first through hole, and threaded shank is provided with external screw thread;
Connecting axle comprises independent front axle and rear axle, wherein front axle is set to across the gap between the first branch and the second branch, and a part for front axle is received in the first through hole, and another part is received in the second through hole, a part for rear axle is received in the second through hole, described front axle is connected in the mode of rotating separation with rear axle connecting portion by front axle connecting portion with rear axle, front axle inside is axially provided with the screwed hole be threadedly engaged with the external screw thread of threaded shank, rear axle is provided with pin hole, and wherein this pin hole is positioned at outside the outer surface of the second branch;
Locking wrench is mounted to rear axle pivotly by the latch be inserted in pin hole,
In locking state, screw cover is against the outer surface of the first branch, and now, locking wrench, reversibly about latch pivotable, makes rear axle and then makes front axle and threaded shank move towards the direction of the first branch vertically, this Quick-clamped structure to be unlocked.
2. fast fixture as claimed in claim 1, wherein said front axle connecting portion is included in the groove that front axle is arranged near the end of rear axle, and described rear axle connecting portion is included in chamber portion that rear axle arranges near the end of front axle and the flange of radially-inwardly projection from this end near front axle, this chamber portion is for receiving described front axle connecting portion near the end of rear axle, and described flange is received in the groove of described front axle connecting portion.
3. fast fixture as claimed in claim 1, the inherent inner surface place near the second branch of wherein said second through hole is provided with the second radially-inwardly outstanding through hole stopper section, make the end of the close front axle of described rear axle not pass this second through hole, and the axially-movable of the front axle of connecting axle can not be stopped simultaneously.
4. as the fast fixture in claims 1 to 3 as described in any one, wherein the inherent outer surface near the first branch of the first through hole is provided with the first radially-inwardly outstanding through hole stopper section, make the end of the close screw of described front axle not pass this first through hole, and the axially-movable of the screw portion of screw can not be stopped simultaneously.
5. fast fixture as claimed in claim 4, wherein said first through hole is stepped hole, and the cross section that the part of the direction extension of the second branch is pointed on this first through hole edge from the first through hole stopper section is Long Circle, and the cross section of described front axle has the Long Circle profile matched with it.
6. fast fixture as claimed in claim 1 or 2, the outer surface of wherein said branch is also provided with the part from its depression, and the part of this depression around the first through hole, and has the shape adapted for the surface of the outer surface contacting the first branch with screw cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064517.7U CN204431111U (en) | 2015-01-29 | 2015-01-29 | Fast fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520064517.7U CN204431111U (en) | 2015-01-29 | 2015-01-29 | Fast fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204431111U true CN204431111U (en) | 2015-07-01 |
Family
ID=53599029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520064517.7U Active CN204431111U (en) | 2015-01-29 | 2015-01-29 | Fast fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204431111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847259A (en) * | 2019-11-26 | 2021-05-28 | 苏州宝时得电动工具有限公司 | Power tool and clamping device thereof |
-
2015
- 2015-01-29 CN CN201520064517.7U patent/CN204431111U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847259A (en) * | 2019-11-26 | 2021-05-28 | 苏州宝时得电动工具有限公司 | Power tool and clamping device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |