CN201415386Y - Torsion-resistant self-tightening clamping block - Google Patents
Torsion-resistant self-tightening clamping block Download PDFInfo
- Publication number
- CN201415386Y CN201415386Y CN2009201510260U CN200920151026U CN201415386Y CN 201415386 Y CN201415386 Y CN 201415386Y CN 2009201510260 U CN2009201510260 U CN 2009201510260U CN 200920151026 U CN200920151026 U CN 200920151026U CN 201415386 Y CN201415386 Y CN 201415386Y
- Authority
- CN
- China
- Prior art keywords
- joint face
- projection
- support member
- working component
- fixture block
- 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
Links
Images
Landscapes
- Clamps And Clips (AREA)
Abstract
A torsion-resistant self-tightening clamping block relates to a fitting technology field for clamping device, mainly applies in gad tongs, table-vice, jig and fixture, mechanical hands, automated clamp and self-tightening connection fastening device. The torsion-resistant self-tightening clamping block comprises a support member, a working member and an elastic connection return member; the elastic connection return member connects the support member and the working member; the support member is provided with a connection surface A, the working member is provided with a connection surface B which glues with the connection surface A. The utility model is characterized in that one of the connection surface A or B is provided with at least two conical projections, another connection surface is provided with conical recess matching with the oblique surface of the projections at corresponding position with the projections; included angle theta of oblique surface and bottom surface of the projection satisfies inequation [K+tan (theta)]/[1-Ktan(theta)] <=M definition, wherein the K is static friction coefficient between projection and recess, M is static friction coefficient between working member and clamped objects applied; the torsion-resistant self-tightening clamping block can be tightly clamped when exerted with force of any direction, and effectively resist torsion and impact load; structure of the clamping block is more simple and effective.
Description
Technical field
The utility model relates to the accessory technical field that is applied in a kind of clamping device, relate in particular to fastening or connect the fixture block that produces folder power voluntarily of object, be mainly used in flat-nose pliers, bench vice, frock clamp, automation anchor clamps and in the stressed joint fastener.
Background technology
Traditional clamping device all needs to apply applied external force and keeps the folder power that acts on the clipped object spare; and all traditional clamping devices all have a common defects; when the external force on the clipped object spare is increased to certain force; object will skid off clamping device voluntarily; folder face on the clamping device usually can damage clipped object spare surface at this moment; and, the clamping article usually to need clamping device to apply excessive folder power on object because the required minimum clamp power of clipped object spare normally can't be pre-estimated.Therefore, traditional clamping device not only needs to use big energy, and can only be within limited range effectively.And the applicant in the application number of application on October 29th, 2008 is: though 200820213263.0 Chinese patent has solved the problems referred to above,, complex structure, and do not have to solve twisting resistance problem and resistance to shock loads problem fully.
For addressing the above problem, Application No. is 60/744251 and Chinese patent literature (number of patent application 200610149034.2, Chinese patent application is priority with the U.S. Patent application) a kind of clamping device disclosed, this clamping device comprises supporter and clamping component, clamping component has a surperficial a to be connected with the supporting surface A of supporter, and clamping component surface a can slide on supporting body surface A, and clamping component also has another surperficial b equally, is used for pressing from both sides object surfaces.The surperficial a of clamping component and surperficial b structure be θ at an angle, and the θ angle is by inequality (K+tan (θ))/(1-Ktan (θ))＜=M definition, and M represents the confficient of static friction between clamping component and the clamped object in the formula; K represents the confficient of static friction between clamping component and the above-mentioned A supporting surface.This clamping device can address the above problem effectively, it does not need or needs hardly to use energy, more excessive clamping can not occur, or presss from both sides the not phenomenon of tight clipped object spare, no matter be static(al), power or impact force action on clipped object spare, this clamping device can both clamp caught object.But, this clamping device still exists from the limited problem of direction of pressing from both sides power, specifically, because the supporter and the clamping component of this clamping device only comprise an inclined-plane, like this, this device just can only be in the plane, gravity place with held object, and with less than in the 180 degree angular regions, it from folder power (component of gravity) just effectively; If reach wider all effective as the above power of folder certainly of 180 degree to 360 degree, then a plurality of these clamping devices to be combined in by different directions on the plane at a held object gravity place and work, and define two or more planes at least, each plane of device after the combination radially stretches out from the center of described composite set with a described angle θ, clamping component comprises two parts at least, each parts all links to each other with one of described plane, stops caught object radially outwards to move from the center of described composite set by described clamping component.That is to say, though the combinations thereof clamping device has pressed from both sides the expanded range of power certainly,, it exists device to be difficult for sealing, complex structure and defective such as is difficult for assembling in the production process.Defectiveness still aspect antitorque and resistance to shock loads simultaneously.
Summary of the invention
In sum, the purpose of this utility model is at above defective, proposes a kind of twisting resistance self-tightening fixture block, and is simple in structure, practicality.
For realizing the purpose of this utility model, the technical scheme that adopts is: comprise that support member, working component and elasticity connect return unit, elasticity connects return unit and connects support member and working component, support member is provided with joint face A, working component is provided with joint face B, joint face A and joint face B fit, and one of them joint face is provided with the projection of at least two truncated cone-shaped among described joint face A and the joint face B; The position corresponding with projection is provided with the conical socket that the inclined-plane with projection matches on another joint face; The bottom surface angle of the inclined-plane of projection and projection is θ, and the θ angle meets inequality: (K+tan (θ))/(1-Ktan (θ))＜=M definition; K is the confficient of static friction between projection and the groove, the confficient of static friction between the clamped object when M is working component and application.
Described projection is located on the joint face A, and described groove is located on the joint face B.
Described projection can also be located on the joint face B, and described groove can also be located on the joint face A.
Also connecting a working component on the one side opposite with joint face B on the described working component, also is that the projection by same structure is connected with groove structure between two working component joint faces.
Described support member is provided with two and is connected and fixed the hole.
Have at least one surface to be provided with the little lubricious material layer of one deck coefficient of friction in described projection and the groove.
The notch edges of described groove is a rounding.
Described support member and working component are shaped as: rectangular block, square block, circular block or other regular geometric shapes pieces.
The number that described elasticity connects return unit is one or more.
The beneficial effects of the utility model are: compared with prior art, a plurality of projections and back-up block are overall structure, the groove of a plurality of cooperations and working component also are overall structure, simpler on the structure, when same realization 360 degree apply external force, can realize the purpose that clamps, a plurality of projections cooperate with groove, have effectively increased the ability of twisting resistance of the present utility model and resistance to shock loads simultaneously.
Description of drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a decomposition texture schematic diagram of the present utility model;
Fig. 3 is the structural representation at the another kind of visual angle of Fig. 2;
Fig. 4 is the A-A cross section structure schematic diagram of Fig. 1;
Fig. 5 is the structural representation when mobile for Fig. 4 support member and work package misplace;
Fig. 6 is applied in structural representation in the flat-nose pliers for the utility model;
Fig. 7 is applied in structural representation in the spanner for the utility model;
The structural representation of embodiment when Fig. 8 is two working components.
The specific embodiment
Below in conjunction with the accompanying drawing and the preferred specific embodiment structure of the present utility model is further described:
Shown in Fig. 1, comprise that support member 1, working component 2 and elasticity connect return unit 3, elasticity connects return unit 3 and connects support member 1 and working component 2.
Shown in Fig. 2,3,4, elasticity connects return unit 3 and comprises a connecting screw 32 and a back-moving spring 31, support member 1 is provided with a connecting through hole 13, and back-moving spring 31 is enclosed within on the screw rod of screw 32, and screw rod is spirally connected through connecting through hole 13 and working component 2; Also be provided with on the support member 1 two be used to install and fix be connected and fixed hole 12, support member 1 is provided with joint face A14, working component is provided with joint face B24, under the normality, because elasticity connects the elastic acting force of return unit 3, joint face A14 and joint face B24 fit fully, the joint face A14 of support member 1 is provided with plural truncated cone-shaped projection 11, and on position corresponding on the joint face B24 of working component 2, being provided with the conical socket 21 that matches with projection 11 with projection 11, the inclined-plane of the inclined-plane of projection 11 and groove 11 just coincide.Because projection 11 is a truncated cone-shaped, θ is the angle of round platform bus and bottom surface, that is to say the inclined-plane of projection and the bottom surface angle of projection, the bottom surface of projection and joint face A14 are in the same plane, and the θ angle meets inequality: (K+tan (θ))/(1-Ktan (θ))＜=M; That is to say projection inclined-plane and bottom surface angle, K is the confficient of static friction between projection and the groove, the confficient of static friction between the clamped object when M is working component and application.
Shown in Fig. 5, when support member 1 and working component 2 occurred levels, up and down or rotary shifted when mobile, projection 11 will be made slope climbing movement along the inclined-plane from groove 21, gets normal pressure thereby increase clamping face.All can not move on all directions to reach held object, possess the twisting resistance function simultaneously again.
In specific implementation process, in order to reduce the frictional force of 21 of projection 11 and grooves, at projection 11 or groove 21 or the little material layer of surface both increase one deck coefficient of friction.When mobile, groove 21 notch edges are damaged projection 11 shiny surfaces for fear of dislocation, and groove 21 notch edges are rounding.
Shown in Fig. 6, when the utility model was applied to flat-nose pliers, support member 1 was fixedly connected in the fixed block 4 or movable block 5 of flat-nose pliers, and working component of the present utility model 2 one side opposite with support member 1 joint face is used as the new clamping face of flat-nose pliers.
Shown in Fig. 7, when the utility model was applied to monkey wrench, support member 1 was fixedly connected on the fixedly volume 7 or movable volume 6 of monkey wrench, and working component of the present utility model 2 one side opposite with support member 1 joint face becomes the new clamping face of monkey wrench.
Shown in Fig. 8, working component 2 can also increase to polylith as required, and the working component 2 of increase connects successively, and working component 2 is identical with support member 1 connected mode with aforesaid working component 2 with working component 2 connected modes, and operation principle is identical.
Claims (9)
1, a kind of twisting resistance self-tightening fixture block, comprise that support member, working component and elasticity connect return unit, elasticity connects return unit and connects support member and working component, support member is provided with joint face A, working component is provided with joint face B, joint face A and joint face B fit, and it is characterized in that: one of them joint face is provided with the projection of at least two truncated cone-shaped among described joint face A and the joint face B; The position corresponding with projection is provided with the conical socket that the inclined-plane with projection matches on another joint face; The bottom surface angle of the inclined-plane of projection and projection is θ, and the θ angle meets inequality: (K+tan (θ))/(1-Ktan (θ))＜=M definition; K is the confficient of static friction between projection and the groove, the confficient of static friction between the clamped object when M is working component and application.
2, a kind of twisting resistance self-tightening fixture block according to claim 1, it is characterized in that: described projection is located on the joint face A, and described groove is located on the joint face B.
3, a kind of twisting resistance self-tightening fixture block according to claim 1, it is characterized in that: described projection is located on the joint face B, and described groove is located on the joint face A.
4, a kind of twisting resistance self-tightening fixture block according to claim 1, it is characterized in that: also connecting a working component on the one side opposite with joint face B on the described working component, also is that the projection by same structure is connected with groove structure between two working component joint faces.
5, a kind of twisting resistance self-tightening fixture block according to claim 1, it is characterized in that: described support member is provided with two and is connected and fixed the hole.
6, a kind of twisting resistance self-tightening fixture block according to claim 1 is characterized in that: have at least one surface to be provided with the little lubricious material layer of one deck coefficient of friction in described projection and the groove.
7, a kind of twisting resistance self-tightening fixture block according to claim 1, it is characterized in that: the notch edges of described groove is a rounding.
8, a kind of twisting resistance self-tightening fixture block according to claim 1, it is characterized in that: described support member and working component are shaped as: rectangular block, square block, circular block or other regular geometric shapes pieces.
9, a kind of twisting resistance self-tightening fixture block according to claim 1 is characterized in that: the number that it is characterized in that elasticity connection return unit is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201510260U CN201415386Y (en) | 2009-04-27 | 2009-04-27 | Torsion-resistant self-tightening clamping block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201510260U CN201415386Y (en) | 2009-04-27 | 2009-04-27 | Torsion-resistant self-tightening clamping block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201415386Y true CN201415386Y (en) | 2010-03-03 |
Family
ID=41791796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201510260U Expired - Fee Related CN201415386Y (en) | 2009-04-27 | 2009-04-27 | Torsion-resistant self-tightening clamping block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201415386Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501110A (en) * | 2011-12-14 | 2012-06-20 | 常州鑫鹏工具制造有限公司 | Workpiece compacting device |
| CN110682186A (en) * | 2018-11-14 | 2020-01-14 | 住华科技股份有限公司 | Smelting tool and grinding method applying same |
-
2009
- 2009-04-27 CN CN2009201510260U patent/CN201415386Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501110A (en) * | 2011-12-14 | 2012-06-20 | 常州鑫鹏工具制造有限公司 | Workpiece compacting device |
| CN102501110B (en) * | 2011-12-14 | 2014-08-06 | 常州鑫鹏工具制造有限公司 | Workpiece compacting device |
| CN110682186A (en) * | 2018-11-14 | 2020-01-14 | 住华科技股份有限公司 | Smelting tool and grinding method applying same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105115819B (en) | A kind of fatigue test clamper | |
| CN201371425Y (en) | Multifunctional self-centering bench clamp | |
| CN201415386Y (en) | Torsion-resistant self-tightening clamping block | |
| CN107138975A (en) | The fixture processed for shaft-like workpiece | |
| CN109129262B (en) | Clamping mechanism capable of automatically positive pressure and adjusting pressure | |
| CN202155724U (en) | Multifunctional flat bit tongs device | |
| CN105370702A (en) | Spring washer fastener | |
| TWI422467B (en) | A wrench with a clamping device | |
| CN207104755U (en) | A kind of a wide range of adjustable knuckle buster | |
| CN108608446B (en) | Three-paw device of oil pump shell machining transfer robot | |
| CN104942622A (en) | Universal flat tongs allowing torque to be adjustable | |
| CN211806244U (en) | Six-axis robot clamping and grabbing linked deviation rectifier deviation correcting device | |
| CN104444347A (en) | Clamp base plate, clamp and mechanical arm | |
| CN201410650Y (en) | Hydraulic wrench | |
| CN215968466U (en) | Multifunctional wrench head for fixing force | |
| CN203680314U (en) | Robot grabbing hand of vehicle oil filter base assembling line | |
| CN201573067U (en) | Novel planer clamping device | |
| CN202922480U (en) | Lateral-expansion pressing device | |
| CN111451969B (en) | Annular centripetal clamp with shape self-adaptive capacity | |
| CN215931281U (en) | Quick closing device of robot joint speed reducer comprehensive properties test bench | |
| CN102615612A (en) | Multifunctional wrench | |
| CN219112919U (en) | Double-center tool fixture | |
| CN203510061U (en) | Adapter for wrench | |
| CN219599301U (en) | Assembly jig convenient to use | |
| CN221048294U (en) | Board-like part assembly fixture |
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: 20100303 Termination date: 20120427 |