CN200993137Y - Clamping device - Google Patents
Clamping device Download PDFInfo
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- CN200993137Y CN200993137Y CN 200620159246 CN200620159246U CN200993137Y CN 200993137 Y CN200993137 Y CN 200993137Y CN 200620159246 CN200620159246 CN 200620159246 CN 200620159246 U CN200620159246 U CN 200620159246U CN 200993137 Y CN200993137 Y CN 200993137Y
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- clamping member
- clamp device
- supporting surface
- clamping
- surperficial
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Abstract
The utility model relates to a tight clamping device that comprises a supporting body and a clamping component; wherein, one surface a of the clamping component is connected with a supporting plane A of the supporting body and the surface a can move on the supporting body surface A; the clamping component also has another surface b that is used for tightly clamping the surface of an object. The surface a and surface b of the clamping component form an angle Theta, which is defined by an inequality equation that is [K+tan (Theta)] / [1-Ktan(Theta)]<=M; wherein, the letter M stands for the static friction coefficient between the clamping component and the clamped objects; the letter K stands for the static friction coefficient between the clamping component and the supporting plane A. the clamping device need not to use or hardly uses the energy, over tight clamping or loosing from the clamped object theses situations do not happen to the clamping device. No matter the clamped objects are clamped by a static effect, or dynamic effect or an impacting force, the tight clamping device always can tightly clamp the clamped objects. Therefore, the tight clamping device not only can be extensively used in machinery design, processing and manufacturing industries, but also can be widely promoted in railroad, bridge and construction these fields.
Description
[technical field]
The utility model relates to a kind of clamp device, relates in particular to one and is used for fastening or connects the clamp device of object, but can be widely used in Machine Design, processing and manufacturing industry and in also applications of field such as railway, bridge and buildings.
[background technique]
Clamp device is extensively applied to fastening or is connected object.Previous clamp device all needs to apply applied external force and keeps the folder power that acts on the clipped object spare, and all previous clamp devices all have a common drawback: the external force on clipped object spare is increased to certain numerical value, object will skid off clamp device voluntarily, normally used coarse groove folder face usually damages clipped object spare surface on the clamp device at this moment, and since the required minimum clamp power of clipped object spare normally can't pre-estimate, clamping article usually clamp device apply excessive folder power on object.Therefore, previous clamp device not only needs to use big energy, and can only be within limited range effectively.
[model utility content]
The clamp device clamping article need use a large amount of external force in the prior art in order to overcome, and external force can only be within limited range effectively, when external force is increased to certain numerical value, object will skid off clamp device voluntarily, and normally used coarse groove presss from both sides the deficiency that face usually damages clipped object spare surface on the anchor clamps, and the utility model provides a kind of clamp device of new structure.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: the clamp device that a kind of new structure is provided, described clamp device comprises support and clamping member, described clamping member has a surperficial a to be connected face-to-face with the supporting surface A of described support, and described clamping member surface a can slide on described supporting body surface A, described clamping member also has another surperficial b equally, is used for pressing from both sides object surfaces B.The surperficial b structure of the surperficial a of above-mentioned clamping member and described clamping member is θ at an angle, and described θ angle is defined by following inequality; M represents above-mentioned clamping member and the static friction coefficient between the clamped object in (K+tan (θ))/(1-Ktan (θ))＜=M formula; Static friction coefficient between clamping member that the K representative is above-mentioned and the above-mentioned A supporting surface.
According to a preferred embodiment of the present utility model, described clamp device also includes guide member, in order to connect described clamping member effectively and to limit described clamping member and can only slide along described supporting surface A, the a surface and the b surface of described clamping member are smooth surfaces, and the b surface also can be slightly to make face.
According to a preferred embodiment of the present utility model, described clamp device also comprises the member that clamping member is set back after hours, it is connected with described clamping member, and push away described clamping member to a direction of tending to reduce folder power on the caught object, the described reset components that links to each other with clamping member can be that spring or other can produce the member of similar effect.
According to a preferred embodiment of the present utility model, described clamp device also comprises the B supporting surface relative with described A supporting surface, described clamping member is placed between described A supporting surface and the described B supporting surface, described A supporting surface and B supporting surface, have at least one to be to move relative to another, thereby increase or reduce distance between the two.
According to a preferred embodiment of the present utility model, described clamp device is made the wrench-type clamp device, described wrench-type clamp device comprise handle, stationary jaw and described handle be linked to be an integral body, one can relative described stationary jaw selectively adjusted position movable jaw, with described stationary jaw and movable jaw one of them described supporting surface A1 that links to each other, with described stationary jaw and another described supporting surface B1 that links to each other in the movable jaw; Described supporting surface A1 is connected face-to-face with clamping member surface a1, described wrench-type clamp device further comprise be used to make the clamping member surface a1 and the supporting surface A1 of clamp device better realize slide relative lubrication, be used to that stationary jaw upper support face A1 is connected face-to-face with clamping member surface a1 and clamping member work finished set back be connected reset components and be used to lock clamping member, prevent when clamping member from working to a direction of tending to reduce the power of pressing from both sides on the caught object move from lock construction element.
According to a preferred embodiment of the present utility model, the supporting surface of described clamp device can be disk, defined at least two with the θ angle radially from the outward extending plane of disc centre, and described clamping member is at least two parts, each parts all links to each other with one of described plane, slippage in the above stops object to be clamped radially outwards to move from described disc centre by described clamping member.
According to a preferred embodiment of the present utility model, it also can be thin block or other shapes of rectangle that described supporting surface constitutes disk, define four planes, each plane radially stretches out from the center of described disk with a described angle θ, and described clamping member is four parts, and each parts all links to each other with one of described plane and slippage in the above.
According to a preferred embodiment of the present utility model, described clamp device includes the overcoat that surrounds described supporting surface and described clamping member; The prevention that includes the described clamping member of restriction moving range on described supporting surface surmounts member; Also including links to each other with described clamping article makes clamping member recover the reset components of former working position, and described reset components can be that spring ring or other can produce the member of similar effect.
According to a preferred embodiment of the present utility model, the surface that the clamping member of described clamp device contacts with caught object is provided with and can makes clamping member better contact and guarantee the spring top bead that described clamping member can be worked simultaneously with caught object.
According to a preferred embodiment of the present utility model, described clamping member, can be on described relatively supporting surface A4 rotation-sliding, and described angle θ is defined as the surperficial b4 of a described clamping member and the helix angle between the described supporting surface A4.
According to a preferred embodiment of the present utility model, the b5 surface of described clamping member is an arc shaped surface, is used for clamping the outer peripheral surface of column type member; Described this kind clamp device also comprises the outer cover with inwall, and supporting surface constitutes the inclination arc shaped surface on described inwall; Clamping member is made up of the arc part that is placed on described outer cover the inside.
With respect to prior art, the beneficial effects of the utility model are: this model utility has overcome the defective of above-mentioned previous clamp device, not only saved energy greatly, and effectively amplified the significant surface of this clamp device, it is to utilize to cause that the external force generation folder power that clipped object spare moves clamps clipped object spare, external force is converted into the clamping force that is used for clamping caught object by clamp device, and folder power increases with external force, therefore, do not need or need hardly to use energy, excessive clamping can not occur, or press from both sides the not phenomenon of tight clipped object spare, more can not damage clipped object spare surface, and all effective to power and impact force.
[description of drawings]
Fig. 1 is the principle schematic of a kind of clamp device of the utility model;
Fig. 2 is an adjustable spanner formula clamp device embodiment schematic representation;
Fig. 3 is each parts assembling schematic representation of adjustable spanner formula clamp device shown in Figure 2;
Fig. 4 is another stereogram that uses the designed clamp device of this model utility principle;
Fig. 5 is the 3rd a clamp device application example stereogram of using the designed one-tenth of this model utility principle;
Fig. 6 is the 3rd each parts assembling schematic representation of using the clamp device of the designed one-tenth of this model utility principle;
The 3rd of Fig. 7 uses clamp device sectional view shown in the designed one-tenth of this model utility principle;
Fig. 8 is the stereogram of the 4th the designed clamp device of this model utility principle of usefulness;
Fig. 9 is each component-assembled schematic representation of clamp device shown in Figure 8;
Figure 10 is the 5th a clamp device stereogram of using this model utility principle design;
Figure 11 is the top view of clamping member in the clamp device shown in Figure 10;
Figure 12 is the cross-sectional view of clamp device shown in Figure 10.
[embodiment]
Below in conjunction with drawings and Examples the utility model is further specified.
Consult Fig. 1, the principle schematic of a kind of clamp device of the utility model.This model utility series is the relative friction forces of utilizing between clamp device and the clamped object, realizes clamping effect to clipped object with the form of spontaneous energy.In Fig. 1, this clamp device has used a slip wedge-shaped blocks to come the frictional force of optimization means, and the suffered external force of clamp device is big more, and the tension force to caught object and supporting surface A both direction that clamp device produces is big more.Caught object simultaneously is subjected to the support force of supporting surface B, and another side is subjected to the fixture block member to give its extruding tension force, and supporting surface A passes to caught object for the also clamped member of opposition of clamping member simultaneously.Thereby effectively stoped moving of clipped object spare, and do not needed to apply clamping force like that in addition and on clipped object spare, stop moving of clipped object spare to previous clamp device.
Clamp device 10 contains two supports staggered relatively 12 and 14 among Fig. 1, has defined A supporting surface 16 and B supporting surface 18 respectively, and a clamping member 20 is placed between them.The a surface 22 of clamping member is close to A supporting surface 16, and can slide along A supporting surface 16, the b surface 24 of clamping member 20 is close to and is wanted clamped object 26, and constitute angle theta with a surface 22, the θ is here defined by following conditional inquality: (K+tan (θ))/(1-Ktan (θ))＜=M here, the static friction coefficient between M representative " clamping member " and the clamped object.
Static friction coefficient between K representative " clamping member " and " face ".
When angle θ satisfies above conditional inquality, object 26 will clamp by clamped device 10, the external force F that no matter acts on the object 26 is much, clamp device 10 can produce a folder power on clipped object spare 26 automatically, this folder power is perpendicular to the surface of contact between object 26 and the b surface, and should folder power be to give birth to by external force F institute is tight.Folder power will increase pro rata with external force F, and the folder power that produce automatically of 10 of clamp devices are the minimum clamp power of wanting clamping article 26 required, so can not occur excessively pressing from both sides power, usually can damage clipped object spare because excessively press from both sides power.
Static friction coefficient K in a concrete clamp device between clamping member 20 and the A supporting surface 16 is less than the static friction coefficient M between object 26 and the clamping member 20.The a surface 22 of A surface 16 and clamping member 20 is smooth surfaces, and lubrication effect requires and will get well relatively, and the b surface 24 of clamping member can be a smooth surface, also can be the asperities or the flank of tooth, but the static friction coefficient between it and the object 26 must be big as much as possible.The called torulopsis face here, being meant does not have obvious coarse groove, and as the lines of zigzag fashion lines or other form from the teeth outwards, these lines can produce two interlockings between the surface of contact, thereby increase friction factor.In order to reduce the static friction coefficient between A supporting surface 16 and a surface 22, can be on any of one of two faces, or cross the last layer friction coat on each face, or carry out the surface treatment of other any coefficient of reducing friction.The coating that last layer increases friction factor can be crossed in the b surface 24 of clamping member 20, or carry out that other surface treatment increases and object 26 between friction factor, thereby can satisfy above-described conditional inquality.In addition, also can place an antifriction material thin slice and between a surface 22 of A supporting surface 16 and clamping member 20, reduce static friction coefficient between the two sides, respectively place a slice antifriction material thin slice in order to obtain on a surface 22 that better friction reducing effect is preferably in A supporting surface 16 and clamping member 20.
In a concrete clamp device, a surface of clamping member and the angle θ between the b surface are best with 3 to 6 degree under the prerequisite of inequality that satisfies condition.
Shown among Fig. 1 that second support 14 provides a B supporting surface 18 to come clamping article 26, but in some applications, also can not use second support 14, this will be described in more detail in the back.
Consult Fig. 2 adjustable spanner formula clamp device embodiment's schematic representation and Fig. 3 and be each component-assembled schematic representation of adjustable spanner formula clamp device shown in Figure 2.In Fig. 2 and Fig. 3, shown a clamp device 30 that is designed to the adjustable spanner formula.This clamp device 30 has 32, one stationary jaws 34 of a handle and a movable jaw 36, movable jaw 36 can be conditioned near or away from stationary jaw 34.A tooth bar 38 has teeth and worm screw 42 engagements.The user can rotary worm 42 regulates the distance between two pawls.In illustrated device, clamp device 30 has a clamping member 44 to be connected to slidably on the fixed claw 34.Fixed claw 34 has an A1 supporting surface 48, is close to the a1 surface 46 of clamping member 44, and clamping member 44 can slide along A1 supporting surface 48.The b1 surface 50 of clamping member 44 constitutes angle theta with the a1 surface 46 of A1 supporting surface 48 and clamping member 44, and the θ angle is defined by the above conditional inquality.
In the wrench-type clamp device 30, installed respectively on the a1 surface 46 of A1 supporting surface 48 and clamping member 44 and be used to make described two surface energies better to realize the low coefficient of friction material sheet 40,52 of slide relative, this low coefficient of friction material sheet also can be arranged to other and can produce lubricated relatively material certainly.Clamp device 30 also include be used to make A1 supporting surface 48 on the stationary jaw 34 to be connected face-to-face with the a1 surface 46 of clamping member 44 and make that clamping member 44 sets back after hours be connected reset components 64,66.Being embodied in clamping member 44 in Fig. 2 and Fig. 3 interconnects with steel wire 64 by four springs 66 and four with stationary jaw 34, clamping member 44 and stationary jaw 34 are provided with the through hole that steel wire 64 is passed through smoothly during installation, steel wire 64 is installed in clamping member 44 and the stationary jaw 34 by above-mentioned through hole, and above by the spring hanging hole that steel wire 64 two ends are provided with spring 66 being hooked on, play making clamping member 44 be connected the effect that is adjacent to stationary jaw 34, the spring 66 here can also play the effect that sets back after hours at clamping member 44.Described in addition wrench-type clamp device 30 also comprises and is used to lock clamping member 44, prevent clamping member 44 to a direction of tending to reduce folder power on the caught object move from lock construction element.In Fig. 3, should be the self-locking block 56 of a band screw rod from lock construction element, regulate self-locking block 56 by regulating the self-locking knob 54 that cooperates with screw rod, to reach the purpose of locking clamping member 44.Above-mentioned member installs, and the stationary jaw 34 on the clamp device 30 is connected and fixed overcoat 58 and stationary jaw 34 by an overcoat 58 parcels and by pin.
When reality is used this novel movable spanner, clamped object also is to be placed between fixed claw 34 and the movable claw 36, the user is with pointing turn worm screw 42, make movable claw 36 and fixed claw 34 be close to two opposing sides of clipped object spare simultaneously, draw pinch bar 32 to the F direction gently then, this moment, clamping member 44 will be along the A1 supporting surface, to the slippage of pawl crack tip, object clamps clamped member 44 and movable claw 36 like this, at this moment the user can be by regulating locking device knob 54, control self-locking block 56 pins clamping member 44, moves to the direction that reduces folder power on the caught object to prevent clamping member 44.
Work finishes, the user is earlier by regulating locking device knob 42, the self-locking that self-locking block 56 is eliminated clamping member 44, the user is again by using finger turn worm screw 42 then, make movable claw 36 unclamp the surface of clipped object spare, the state before at this moment clamping member 44 will return to work under the reaction force of spring 66.
This novel spanner has the repertoire of previous monkey spanner, and, when being used to tighten or unscrewing hexagon nut, the chamfering phenomenon can not appear, can also be used to the pin of transfering to the end to expose simultaneously, or object such as fracture drill bit, this is similar with principle shown in Figure 1.This clamp device 30 also can be used to tighten, has cylindrical screw rod, or similar articles such as pipe thread, so along arrow 68 aspect handle with sleeves 32, then, reversed turning handle 32, repeated multiple times gets final product, two jaws of spanner need not leave bar or pipe face, do not need the adjusting worm screw on the further turn spanner to tighten screw rod or pipe thread yet.
The clamping member 44 that shows at Fig. 2 and Fig. 3 is by by putting on fixed claw 34, but it equally also can be placed on the movable claw 36.In addition, on the a1 surface 46 of A1 supporting surface 48 and clamping member 44, installed respectively and be used to make described two surface energies better to realize the low coefficient of friction material sheet 40,52 of slide relative.Equally, the last layer friction coat also can be crossed in the a1 surface 46 on A1 supporting surface 48 and the clamping member 44, or adopts other any surface treatment of reducing friction.And the coating that last layer increases friction factor can be crossed in the b1 surface 50 on the clamping member 44, or other surface treatment increases the friction factor between itself and the caught object.
Fig. 4 is another stereogram that uses the designed clamp device of this model utility principle.Show among Fig. 4 another according to this model utility principle design from clamp device 70, this clamp device can use separately or can be used on the folder face of existing conventional clamp device (not drawing among the figure), clamp device 70 is by a main body 74, a clamping member 72, a pair of guide pin 82 and two return a spring 94 and form.Main body 74 contains A2 supporting surface 76, the a2 surface 78 of clamping member 72 can slidably reciprocate on A2 supporting surface 76, similar noted earlier, clamping member 72 also contains a b2 surface 80 and is used for double-layered quilt folder object, it and a2 surface 78 and A2 supporting surface 76 constitute a θ angle, and the θ angle is defined by the above conditional inquality.
A pair of guide finger 82 is axle 84 and be parallel to A2 supporting surface 76 along the longitudinal, the guide finger two ends are fixed on respectively on two metopes 86 and 88 that upwards rise from A2 supporting surface 76, two guide fingers 82 pass two corresponding apertures 90 on the clamping member 72, force clamping member 72 to be directed to pin 82 restrictions like this, can only on the A2 supporting surface, slide along guide finger 82, be adjacent to b2 surface on the clamping member 72 when clipped object spare like this, and the opposing side on the object is close to another fixed block (B2 supporting surface), working as external force so is applied on the object, external force will cause that object and clamping member 72 move along the direction of arrow 92 simultaneously, the slip of clamping member 72 on A2 supporting surface 76 will produce the folder power of a vertical and object surface, make object clamped.
Return a spring 94 on this clamp device 70, link mobile clamping member 72 to move with direction opposite shown in the arrow 92 with clamping member 72 towards one, after clamp device and object unclamped, clamping member 72 will be returned the initial position that a spring 94 back into it, for reusing.
On the b2 surface 80 of clamping member 72, spring top bead 96 can also be set, such design makes the b2 surface 80 of clamping member 72 to contact with clamped object surface, when the energy guarantee is irregular surface on the surface of caught object, the b2 of clamping member 72 surface 80 integral body can not with situation that the surface of caught object contacts under, contact with the surface of caught object in advance by spring top bead 96, and can effectively work by the b2 surface 80 that this spring top bead 96 drives clamping members 72, make clamp device 70 can clamp caught object.
Fig. 5 to Fig. 7 has described another clamp device 100 designed according to this model utility principle, and it is a discoid device, is mainly used to clamping article, stops object to move along radially outward.Fig. 5 has shown that use clamp device 100 clamps object 104 to be clamped in machining.Two clamp devices 100 shown in the figure are supported on one side of object 104 to be clamped by two angle brackets 102, a few gang milling grooves 118 are arranged on lathe table top 106, be used for fastening bracket 102 for making, two brackets 108 (having only as seen) at the workpiece another side, angle bracket 102 is provided with a bolt 110 can come mobile clamping device 100 with the knob 112 of its end of rotation, it is moved towards object 104 to be clamped clamp clipped object spare 104.
By Fig. 6 and Fig. 7 as seen, clamp device 100 contains a discoid supporting element 120, be provided with four above and equate the θ inclination angle with 130 one-tenth of bottom surfaces, radially from inside to outside and the A3 supporting surface 122 that stretches upwards, 124,126,128, see Fig. 6, corresponding clamping member is four equal quadrants 132,134,136,138, they and A3 supporting surface 122,124,126,128 is corresponding, each quadrant all contains a corresponding a3 surface 140a, 140b, 140c, 140d, they respectively with A3 supporting surface 122,124,126,128 form sliding contact, corresponding b3 surface: 142a on the clamping member, 142b, 142c, 142d is by being close to come clamping article with clipped object spare, when the surface imperfection of caught object, in order to make on the clamping member corresponding a plurality of b3 surface energies, and ensure that a plurality of b3 surface energies effectively are operated on the corresponding b3 of the clamping member surface simultaneously and be provided with spring top bead 164 better with clamped object surface contact.Four quadrant clamping members 132,134,136,138 are placed on around the center hole 144 on the plate-like supporting element 120, have constituted a discoid folder face, and a center hole of formation is concentric with the center hole on the chassis 120.
A tube wall 152 that extends downwards along circle edge is arranged on the overcoat 150 of clamp device 100, overcoat 150 is provided with the flange framework 170 that criss-crossing extends internally, plate-like supporting element 120 is fixedlyed connected by screw 156 with overcoat 150, flange framework 170 is used for the fan-shaped clamping member 132 of button bit, 134,136, eyebrow face 158 on 138, it is limited within the overcoat 150, fan-shaped clamping member 132,134,136, internal surface 160a on 138,160b, 160c, 160d is limited within the overcoat 150 by the pin 162 that cooperates with center hole 144 extruding on the chassis 120, makes it can not break away from integral body.Install and to cover rubber gasket snare 168 on the overcoat 150.Pin 162 can be used to clamp device 100 is fixed on as shown in Figure 5 the bearing 102 or the object that plays the rest effect of other form.
In addition, clamp device 100 is provided with Returnning spring circle 148, or other can make clamping member 132,134,136,138 can get back to the reset components of their original position under obsolete situation, uses for continuing next time.The position that the outer tube wall of inner peripheral surface 160a, the 160c (wherein 160b, 160d are invisible in Fig. 7) of the correspondence on the clamping member 132,136 (wherein 134,138 is invisible in Fig. 7) and pin 162 matches among Fig. 7 just.Return in the spill annular groove 146 between the inwall that a spring ring 148 is placed on the outer peripheral surface of clamping member and shell 150.
Fig. 6 and shown in Figure 7, it is respectively 132,134,136,138 that clamp device 100 has four clamping members, do not have only four clamping members it can have two, three or determine more than four visual concrete application of clamping member but clamp device 100 does not limit, and the shape of clamping member not necessarily is confined to fan-shaped, can be other shape, if the longitudinal cross-section of overcoat 150 is rectangles, the shape of clamping member can adopt the shape that is not fan-shaped so, and its outer periphery changes the rectangle that straight flange adapts to overcoat into.Generally speaking, can design the profile of clamp device according to different purposes.
Fig. 8 and Fig. 9, shown according to designed another of this model utility principle from clamp device 180, this clamp device is the rotation that is used for stoping clipped object spare, or be used for moment of face or the interior corner of negative function on clipped object spare, clamp device 180 contains a bottom support dish 182, an A4 supporting surface 184 that rotates the helicoid shape that forms with helixangle is arranged above, clamping member 186 has one equally, and onesize θ is arranged is the a4 surface 188 of the helicoid of helix angle for its, it can match with A4 supporting surface 184, and be to slide to coincide, a4 surface 188 on A4 supporting surface 184 or the clamping member 186 has defined a helixangle with the b4 surface 190 on the clamping member 186, be corresponding to the angle θ in above-described conditional inquality, b4 surface 190 is used to be close to the rotation that stops object on the surface of caught workpiece.
A center hole 192 is arranged respectively on chassis 182 and the clamping member 186,194, the hole axle in two holes all coincides with the screw axis on A supporting surface 184 that is shaped as helicoid and a4 surface 188, chassis 182 and clamping member 186 are associated in together by a tubulose connecting piece 198, tubulose connecting piece 198 has an outside thread to be used for being connected with internal thread 204 in the chassis 182 at its end 202, its the other end 206 has a flange 208 that radially outwards stretches, the external diameter of flange 208 can be put central bore 194 into, and fasten the inwall shoulder face 210 of bore hole 194, make it can not break away from integrated clamp device 180, and limited clamping member 186 rotates the axial displacement that is produced on A4 supporting surface 184 size.The maximum value of this axial displacement can be determined by the bottom surface of outward flange 208 and the distance between the inwall shoulder face 210.
When being mounted, clamp device 180 finishes, clamping member 186 and A4 supporting surface 184 match, clamping member 186 is with respect to the rotational slide of A4 supporting surface 184, make clamping member 186 move up along axle 196 directions, when helixangle satisfies aforesaid conditional inquality, the clipped object spare that is between a clamping member 186 and the B4 supporting surface (not having to show in the drawings) will can not be had any rotation displacement by clamping automatically.A4 surface 188 on A4 supporting surface 184 and the clamping member 186, the required friction factor of the above conditional inquality can be satisfied with the surface treatment that plates one deck coating or alternate manner in b surface 190.Also Pasting has the material sheet of required frictional behaviour to reach required surface friction performance on their surface.
Figure 10 to Figure 12 described another one by this model utility principle designed from clamp device 220.It is used to clamp cylinders shape object 222, makes it to have axially outside moving.The support of this device is a cylindrical component 224, its end has a circular open 228 and a cylindrical outer wall 226, a pair of cavity 230 and 232 is formed on the relative both sides of the internal surface of outer wall 226, the longitudinal shaft 238 of A5 supporting surface 234,236 and supporting element 224 constitutes a tiltangle, the A5 supporting surface the 234, the 236th like this, by the bottom of cylindrical shape supporting element 224 to opening 228 directions, along radially tilting inwards.
Clamp device 220 also contains watt shape arch formula clamping member 240 of two equivalent size, 242 are placed on respectively within the cavity 230,232, so that the a5 surface 246,248 of clamping member 240,242, match with A5 supporting surface 234,236 respectively, a5 surface 246,248 and axle 238 constitute a θ oblique angle, clamping member 240,242 can the direction to opening 228 slide on A5 supporting surface 234,236, and the b5 surface 250,252 that clamping member 240,242 also contains in facing is used for clamping the cylindrical object 222 that injects from opening 228.When inclination angle [theta] satisfies the aforementioned condition inequality, can easily admit the object 222 of insertion with the clamping member 240,242 of A5 supporting surface 234,236 sliding contacts, but when object 222 is pulled outwardly, automatically clamping article 222, make it can not be drawn out clamp device, if inwardly push away object 222, in rotating object 222, be pulled outwardly object 222 then, object 222 just can be drawn out clamp device.
Though shown here clamp device 220 has two clamping members 240,242 to be used for clamp cylinders shape object 222, it also can clamp 222 cylinder 254 with a clamping member or two above clamping members.
Above-mentioned detailed description only is exemplary description, and those skilled in the art can design various embodiments according to different actual demand under the situation that does not break away from the scope and spirit that the utility model protects.
Claims (11)
1. clamp device, it is characterized in that: described clamp device (10) comprises support and clamping member (20), described clamping member (20) has a surperficial a (22) to be connected face-to-face with the supporting surface A (16) of described support, and the surperficial a of described clamping member (20) (22) can go up at described supporting body surface A (16) and slide, described clamping member (20) also has another surperficial b (24) equally, be used for pressing from both sides the surface of object (26), surperficial b (24) structure of the surperficial a (22) of above-mentioned clamping member (20) and described clamping member (20) is θ at an angle, and described θ angle is defined by following inequality: (K+tan (θ))/(1-Ktan (θ))＜=M
M: the static friction coefficient between above-mentioned clamping member (20) and the clamped object (26);
K: the static friction coefficient between above-mentioned clamping member (20) and the above-mentioned A supporting surface (16).
2. clamp device according to claim 1, it is characterized in that: described clamp device (10) also includes guide member, in order to connect described clamping member (20) effectively and to limit described clamping member (20) and can only slide along described supporting surface A (16), a surface (22) and b surface (24) of described clamping member are smooth surfaces, and b surface (24) also can be slightly to make face.
3. clamp device according to claim 1, it is characterized in that: described clamp device (10) also comprises the member that clamping member (20) is set back after hours, it is connected with described clamping member (20), and push away described clamping member (20) to a direction of tending to reduce folder power on the caught object, the described reset components that links to each other with clamping member (20) can be that spring or other can produce the member of similar effect.
4. clamp device according to claim 1, it is characterized in that: described clamp device (10) also comprises the B supporting surface (18) relative with described A supporting surface (16), described clamping member (20) is placed between described A supporting surface (16) and the described B supporting surface (18), described A supporting surface (16) and B supporting surface (18), have at least one can move, thereby increase or reduce distance between the two relative to another.
5. clamp device according to claim 1, it is characterized in that: described clamp device (10) is made wrench-type clamp device (30), and described wrench-type clamp device comprises handle (32), a stationary jaw (34) is linked to be an integral body with described handle (32), one can described relatively stationary jaw (34) the movable jaw (36) of adjusted position selectively, with one of them described supporting surface A1 (48) that links to each other of described stationary jaw (34) and movable jaw (36), with described stationary jaw (34) and another described supporting surface B1 (49) that links to each other in the movable jaw (36); Described supporting surface A1 (48) is connected face-to-face with the surperficial a1 of clamping member (44) (46), described wrench-type clamp device (30) further comprises and is used to make the surperficial a1 of clamping member (44) (46) and the supporting surface A1 (48) of clamp device (30) better to realize the lubrication (40 of slide relative, 52), what be used to that stationary jaw (34) upper support face A1 (48) is connected face-to-face with the surperficial a1 of clamping member (44) (46) and clamping member (44) work is finished set back is connected reset components (64, when 66) and be used to lock clamping member (44), preventing clamping member (44) work to a direction of tending to reduce folder power on the caught object move from lock construction element (56).
6. clamp device according to claim 1, it is characterized in that: the supporting surface of described clamp device (100) can be disk (120), defined at least two with the θ angle radially from outward extending plane (122, disk (120) center, 124,126,128), and described clamping member is at least two parts (132,134,136,138), each parts (132,134,136,138) all with described plane (122,124,126,128) one of link to each other, slippage in the above is by described clamping member (132,134,136,138) stop object to be clamped (104) radially outwards to move from described disc centre.
7. clamp device according to claim 6, it is characterized in that: described supporting surface is that disk (120) also can be rectangular block shape or other shapes, define four planes (122,124,126,128), each plane radially stretches out from the center of described disk (120) with a described angle θ, and described clamping member is four parts (132,134,136,138), and each parts all links to each other with one of described plane (122,124,126,128) and slippage in the above.
8. clamp device according to claim 6 is characterized in that: described clamp device (100) includes the overcoat (150) that surrounds described supporting surface (122,124,126,128) and described clamping member (132,134,136,138); Include the described clamping member of restriction (132,134,136,138) and surmount member (162,150) in the prevention of the last moving range of described supporting surface (122,124,126,128); Also including links to each other with described clamping article makes clamping member (132,134,136,138) recover the reset components of former working position, and described reset components can be that spring ring (148) or other can produce the member of similar effect.
9. clamp device according to claim 6 is characterized in that: the surface (142a, 142b, 142c, 142d) that the clamping member of described clamp device (100) (132,134,136,138) contacts with caught object (104) is provided with and can makes clamping member (132,134,136,138) better contact and guarantee the spring top bead (164) that described clamping member (132,134,136,138) can be worked simultaneously with caught object.
10. clamp device according to claim 1, it is characterized in that: described clamping member (186), can go up rotation-sliding at described relatively supporting surface A4 (184), and described angle θ is defined as the surperficial b4 (190) of a described clamping member (186) and the helix angle between the described supporting surface A (184).
11. clamp device according to claim 1 is characterized in that: the b5 surface (250,252) of described clamping member (240,242) is an arc shaped surface, is used for clamping the outer peripheral surface of column type member (222); Described this kind clamp device (220) also comprises the outer cover (224) with inwall, and supporting surface (234,236) constitutes the inclination arc shaped surface on described inwall; Clamping member (240,242) is made up of the arc part that is placed on described outer cover (224) the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620159246 CN200993137Y (en) | 2006-11-17 | 2006-11-17 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620159246 CN200993137Y (en) | 2006-11-17 | 2006-11-17 | Clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200993137Y true CN200993137Y (en) | 2007-12-19 |
Family
ID=38946213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620159246 Expired - Fee Related CN200993137Y (en) | 2006-11-17 | 2006-11-17 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200993137Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973006A (en) * | 2010-10-13 | 2011-02-16 | 刘凤翼 | Simulating tool hand |
| CN103419032A (en) * | 2012-05-21 | 2013-12-04 | 昆山华辰重机有限公司 | Multifunctional universal supporting mechanism |
| CN107708898A (en) * | 2015-06-24 | 2018-02-16 | 伊利诺斯工具制品有限公司 | Pipe cutting apparatus and method |
-
2006
- 2006-11-17 CN CN 200620159246 patent/CN200993137Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973006A (en) * | 2010-10-13 | 2011-02-16 | 刘凤翼 | Simulating tool hand |
| CN101973006B (en) * | 2010-10-13 | 2012-12-26 | 刘凤翼 | Simulating tool hand |
| CN103419032A (en) * | 2012-05-21 | 2013-12-04 | 昆山华辰重机有限公司 | Multifunctional universal supporting mechanism |
| CN103419032B (en) * | 2012-05-21 | 2016-06-29 | 昆山华辰重机有限公司 | Multifunctional universal supporting mechanism |
| CN107708898A (en) * | 2015-06-24 | 2018-02-16 | 伊利诺斯工具制品有限公司 | Pipe cutting apparatus and method |
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Correction item: Co-patentee Correct: Liu Fengyu|Hong Xinrui|Liu Hongwei Number: 51 Page: The title page Volume: 23 |
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Correction item: Co-patentee Correct: Liu Fengyu|Hong Xinrui|Liu Hongwei Number: 51 Volume: 23 |
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Owner name: WANG SHENZHEN CITY ZIJINWANGTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIU FENGYI; PATENTEE Effective date: 20080425 |
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Effective date of registration: 20080425 Address after: Guangdong city of Shenzhen province Nanshan District World Habitat garden Haihua 4 13C, zip code: 518000 Patentee after: Chenzhen Zijinwang Technology Co., Ltd. Address before: Shahe century village, Nanshan District, Shenzhen, Guangdong, zip code: 518000 Co-patentee before: Liu Fengyu Patentee before: Liu Feng wing Co-patentee before: Hong Xinrui Co-patentee before: Liu Hongwei |
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Granted publication date: 20071219 Termination date: 20111117 |