CN102441923A - Clamp - Google Patents

Abstract

The invention relates to a clamp, comprising a base frame, supporting rod components, fixed guide rails, a fixed caliper opening and a movable guide rail, wherein the fixed caliper opening is provided with a first clamping surface; the movable guide rail is connected with the fixed guide rail in a sliding and matching manner and one end of the movable guide rail is provided with a movable caliper opening; the movable caliper opening is provided with a second clamping surface and a third clamping surface which are opposite in a back-to-back manner; the movable guide rail is provided with a first working state when the second clamping surface faces to the first clamping surface and a second working state when the third clamping surface faces to the first clamping surface; and when the movable guide rail is positioned at the first working state, the largest distance between the second clamping surface and the first clamping surface of the movable caliper opening is larger than 460mm. The clamp has wider clamping range and can be used for clamping wider workpieces.

Description

Anchor clamps

Technical field

The invention belongs to the technical field of woodworking machinery, relate in particular to a kind of anchor clamps.

Background technology

Traditional bench vice is installed on the vice bench, is used for the clamping workpiece to be machined, be convenient to pincers worker to workpiece make smooth with a file, craft or machining such as saw.But screw-nut structure is mostly adopted in its clamping, can not clamp fast and lock.

To the problems referred to above, the technical staff in this field has also done a lot of improvement.Designed the anchor clamps that have supporting leg and can realize clamping fast and locking, but but the workpiece size of this anchor clamps clamping is less, can't satisfy the board dimension of broad on the market, and the scope of application is very narrow.

Summary of the invention

Technical problem to be solved by this invention: but a kind of anchor clamps of clamping broad workpiece are provided.

The technical solution adopted for the present invention to solve the technical problems: a kind of anchor clamps comprise: the pedestal with first end and the second end; Folding and said pedestal connects and is used for the fulcrum bar component of support foundation; Be located at the guide rail of deciding on the said pedestal; Be located on the said first end and have the jaw of deciding of first clamping face; Decide guide rail and slide and to connect and an end is provided with the moving guide rail of movable clamp port with said; Said movable clamp port have back to first clamping face and second clamping face; Said moving guide rail has first duty and said second clamping face of said first clamping face when decide jaw and faces second duty when deciding jaw; When said moving guide rail was in first duty, first clamping face of said movable clamp port to the ultimate range of deciding jaw was greater than 460mm.

Preferably, when said moving guide rail was in first duty, second clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw was not more than 615mm.

Preferably, when said moving guide rail was in first duty, second clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw equaled 615mm.

Preferably, when said moving guide rail was in second duty, the ultimate range of the 3rd clamping face of said movable clamp port to first clamping face of deciding jaw was greater than 940mm.

Preferably, when said moving guide rail was in second duty, the 3rd clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw was not more than 2000mm.

Preferably, when said moving guide rail was in second duty, the 3rd clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw was not more than 1244mm.

Preferably, when said moving guide rail was in second duty, the 3rd clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw equaled 1244mm.

Compared with prior art; Beneficial effect of the present invention: when said moving guide rail is in first duty; First clamping face of said movable clamp port to the ultimate range of deciding jaw is greater than 460mm, thereby makes that these anchor clamps can clamping broad workpiece, and its scope of application is wider.

Description of drawings

Above-described the object of the invention, technical scheme and beneficial effect can combine accompanying drawing to describe and clearly acquisition through the following detailed description that can realize specific embodiment of the present invention simultaneously.

Identical label in accompanying drawing and the specification is used to represent element identical or that be equal to symbol.

Fig. 1 is the sketch map of the duty of the anchor clamps that provide of embodiment of the present invention.

Fig. 2 is the part exploded view of anchor clamps among Fig. 1.

Fig. 3 is the sketch map that the moving guide rail of anchor clamps is in second duty among Fig. 1.

Fig. 4 is the sketch map that the moving guide rail of anchor clamps is in first duty among Fig. 1, and this moment, movable clamp port was in maximum distance apart to deciding jaw.

Fig. 5 is the sketch map that the moving guide rail of anchor clamps is in second duty among Fig. 1, and this moment, movable clamp port was in maximum distance apart to deciding jaw.

Fig. 6 is the partial cutaway diagrammatic sketch of anchor clamps among Fig. 1.

Fig. 7 is the partial enlarged drawing of A position among Fig. 6.

Fig. 8 is the partial enlarged drawing of B position among Fig. 6.

Fig. 9 is the partial enlarged drawing of C position among Fig. 6.

Figure 10 is the cutaway view Amplified image along the anchor clamps of D-D direction among Fig. 6.

Figure 11 is the left view of anchor clamps among Fig. 1.

Figure 12 is the cutaway view Amplified image along the anchor clamps of E-E direction among Figure 11.

Figure 13 is the sketch map that anchor clamps are in travel position among Fig. 1.

Figure 14 is the sketch map when anchor clamps are in collection, packing or carrying state among Fig. 1.

Figure 15 is the front view when anchor clamps are in collection, packing or carrying state among Fig. 1.

1. pedestal 11. first ends 12. the second ends

13. plate washer 14. accepting grooves 15. spacer pins

16. delthyrium 161. sides 162. drift angles

2. fulcrum bar component 21. first poles 211. stopper sections

212. bracing or strutting arrangement 213,214 support members 215. base plates

216. accepting groove 217. supporting pads 218. screws

219. screw 22. second poles 23. the 3rd pole

231. elongated slot 232. first ends 233. the second ends

234. bracing or strutting arrangement 235,236 support members 237. base plates

238. accepting groove 239. supporting pads 240. screws

24. first pivot, 25. second pivots 26. the 3rd pivot

3. decide guide rail 31. and decide jaw 32. first clamping faces

4. moving guide rail 41. movable clamp ports 42. grooves

43. second clamping face 44. the 3rd clamping face, 51. wheels

52. the axis of rolling 53. installation portions 54. draw-in grooves

55. nut 6. clamping mechanisms 61. levers

62. pedal 63. lever pivot 631. axle center

64. Wushu axle 65. advances arm 66. extension springs

661. extension spring axis 662. tie points 663. bolts

67. projection 68. torsion springs 69. advance the arm pivot

691. axle center 7. locking devices, 71. guide pillars

72. locking button 73. connecting rods 74. slide blocks

75. swing seat 8. fixtures 81. connectors

82. sliding part 83. flexible members 84. screws

85. lid 86. slotted holes 87. contact-making surfaces

88. inclined-plane 9. the 3rd fixture 92. screw rods

93. button 94. clamping element L1max, L2max. ultimate range

The specific embodiment

The invention discloses a kind of anchor clamps, describe with specific embodiment at present.

As shown in Figure 1; A kind of anchor clamps; Comprise pedestal 1, foldingly be arranged on fulcrum bar component 2 on the pedestal 1, be separately fixed at deciding guide rail 3, moving guide rail 4, decide jaw 31, movable clamp port 41 and being installed in to be used to drive the clamping mechanism 6 that moving guide rail 4 moves on the pedestal 1 of pedestal 1 both sides; Wherein moving guide rail 4 is decided on the guide rail 3 along being arranged on of G direction slip, and pedestal 1 has first end 11 and the second end 12, and also is provided with plate washer 13 on the first end 11.Decide to decide jaw 31 and have first clamping face 32 on the first end 11 that jaw 31 is fixedly installed on pedestal 1.Moving guide rail 4 extends and has relative two ends along longitudinally, and an end of moving guide rail 4 is provided with movable clamp port 41, movable clamp port 41 have back to second clamping face 43 and the 3rd clamping face 44.In addition, pedestal 1 is provided with a plurality of tri-angle-holed 16.Pedestal 1 has the two side; Sidewall 1a extends until the end near pedestal 1 along the longitudinally of pedestal 1, is provided with a plurality of delthyriums on the two side, and existing tri-angle-holed 16 setting to a sidewall 1a wherein is described in detail; In the present embodiment; Sidewall 1a is provided with longitudinally staggered chimeric a plurality of tri-angle-holed 16, and that is inverted and is just putting tri-angle-holed 16 is staggered, and promptly two adjacent tri-angle-holed 16 sides 161 and drift angle 162 are contiguous decides guide rail 3.Certainly; Tri-angle-holed 16 also can adopt other arrangement mode setting; All be set to be inverted or just putting along the longitudinally of pedestal 1 as tri-angle-holed, promptly two adjacent tri-angle-holed respective side are contiguous decide guide rail, or two adjacent tri-angle-holed corresponding drift angles are close to and decide guide rail.Triangle has very high stability and rigidity, adopts this particular design, when alleviating complete machine weight, can make complete machine also have very high stability and intensity.Therefore under the situation that this anchor clamps complete machine weight is certain, but the wideer workpiece of clamping, thus make that the ratio of full-size that these anchor clamps can the clamping workpiece and clamp weight is bigger.

Moreover; Pedestal 1 adopts the material of high-strength light, and such as selecting low-carbon alloy steel, aluminium equal strength and the higher material of weight ratio for use, pedestal is when satisfying the support strength requirement like this; Weight is lighter; Further make under the certain situation of this anchor clamps complete machine weight, but the wideer workpiece of clamping, thus make that the ratio of full-size that this anchor clamps can the clamping workpiece and clamp weight is bigger.

Anchor clamps often need carrying in work, sometimes even need if complete machine weight is very heavy, be inconvenient to very much carry in outdoor application.In the present embodiment, anchor clamps make the complete machine very light in weight owing to adopted particular design and special material, very convenient operator's carrying.

Like Fig. 1, shown in Figure 2, fulcrum bar component 2 comprises that first pole 21, second pole 22 and the 3rd pole 23, the first poles 21, second pole 22 and the 3rd pole 23 are connected with pedestal 1 through first pivot 24, second pivot 25 and the 3rd pivot 26 respectively.First pole 21, second pole 22 all are arranged on this first end 11, and the 3rd pole 23 is arranged on the second end 12 of pedestal 1.First pole 21, second pole 22, the 3rd pole 23 are all adopted hollow structure, have further alleviated the complete machine weight of anchor clamps, thereby have further improved the grip and the weight ratio of these anchor clamps.In addition; First pole 21, second pole 22, the 3rd pole 23 are also adopted the material of high-strength light; As select low-carbon alloy steel, aluminium equal strength and the higher material of weight ratio for use, guarantee that first pole 21, second pole 22, the 3rd pole 23 have high strength, when realizing the stable support anchor clamps; Weight is lighter, and the weight of anchor clamps own is light and stable.Moreover these anchor clamps adopt CAD that complete machine is carried out topology optimization design, thereby have realized the employing minimal material, and intensity is the strongest.Therefore adopt this kind optimized Structure Design scheme, make that weight was also very light when these anchor clamps had big grip, thereby make that the ratio of full-size that these anchor clamps can the clamping workpiece and clamp weight is bigger.

Other elements such as guide rail 3, moving guide rail 4, clamping mechanism 6 of deciding of these anchor clamps all adopt low-carbon alloy steel, aluminium equal strength and the higher material of weight ratio; Guarantee that anchor clamps have higher-strength; In the time of ability stable holding broad workpiece; Complete machine weight is also very light, thereby makes the ratio of full-size that this anchor clamps can the clamping workpiece and clamp weight bigger.

Moving guide rail 4 has first duty and second duty, and is as shown in Figure 1, and moving guide rail 4 is in first duty, and this moment second, clamping face 43 was faced first clamping face 32 of deciding jaw 31, and promptly moving guide rail 4 is in positive holding position.

Changing lower direction insertion after moving guide rail 4 can also be pulled out fully decides on the guide rail 3; Can enlarge the clamping range of these anchor clamps like this, as shown in Figure 3, moving guide rail 4 is in second duty; This moment the 3rd, clamping face 44 was faced first clamping face 32 of deciding jaw 31, and promptly moving guide rail 4 is in anti-holding position.

As shown in Figure 4; Moving guide rail 4 is in first duty; Movable clamp port 41 is adjusted to away from the maximum distance apart of deciding jaw 31, is clamping broad workpiece, and the ultimate range L1max of second clamping face 43 to first clamping face 32 of deciding jaw 31 of movable clamp port 41 is greater than 460mm at this moment.Preferably, in order to reduce the volume of whole anchor clamps, this ultimate range L1max is not more than 990mm.Preferably, this ultimate range L1max is not more than 615mm.Further, this ultimate range L1max equals 615mm.

As shown in Figure 5; Moving guide rail 4 is in second duty; Movable clamp port 41 is adjusted to away from the maximum distance apart of deciding jaw 31, is the wideer workpiece of clamping, and the ultimate range L2max of the 3rd clamping face 44 to first clamping face 32 of deciding jaw 31 of movable clamp port 41 is greater than 940mm at this moment.Preferably, this ultimate range L2max is not more than 2000mm.Further, this ultimate range L2max is not more than 1244mm.Further, this ultimate range L2max equals 1244mm.These anchor clamps can clamping broad workpiece, has the wider scope of application, and can more stablize clamping workpiece securely.Ultimate range L2max at the 3rd clamping face 44 to first clamping face 32 of deciding jaw 31 of this movable clamp port 41 is the grip of anchor clamps, promptly anchor clamps can the clamping workpiece full-size.In sum, when these anchor clamps had big grip, weight was also very light, thereby made that the ratio of full-size that these anchor clamps can the clamping workpiece and clamp weight is bigger.

As shown in Figure 2, these anchor clamps also are provided with the conveying arrangement of convenient carrying, and this conveying arrangement comprises wheel 51; Rolling through wheel 51 is transported; Be transportation more reposefully in addition, wheel 51 is provided with two, and two wheels 51 are arranged on the first end 11 symmetrically; Make that like this center of gravity of whole anchor clamps is lower, further guaranteed the steady of transportation; And, can wheel 51 be arranged on the lower position of first end 11 in order to save the trouble of packaging space and dismounting wheel.The diameter of this wheel 51 is less, can not take very big space; And the material of wheel 51 preferably by toughness such as rubber, high-strength materials processes, like this wheel 51 roll convenient.

Further with reference to Fig. 2, on pedestal 1, be provided with the axis of rolling 52, be convenient transportation, it is that the E direction is vertical each other that the bearing of trend of the axis of rolling 52 is arranged to the glide direction of moving guide rail 4, and the axis of rolling 52 preferably is set to bolt, and cost is very low like this.Plate washer 13 is provided with installation portion 53, and installation portion 53 is provided with draw-in groove 54, and wheel 51 is arranged on the axis of rolling 52, and the axis of rolling 52 is arranged in the draw-in groove 54, and nut 55 lock onto the axis of rolling 52 that is provided with wheel on the installation portion 53.

Further with reference to Fig. 6, Fig. 7, the clamping mechanism 6 that drives moving guide rail 4 motions comprises the propelling arm 65 and lever 61 that drives moving guide rail movement.Lever 61 1 ends are connected with advancing arm 65 pivots through advancing arm pivot 69, and lever 61 other ends pivot with pedestal 1 through lever pivot 63 and are connected.Advance on the arm 65 to have projection 67, clamping mechanism 6 also comprise through pedal pivot axis 64 be installed in lever 61 lower ends pedal 62, be arranged on the flexible member between lever 61 and the pedestal 1, flexible member links to each other away from a side that advances arm pivot 69 with lever 61.In this preferred embodiment, flexible member is set to extension spring 66.The other end of extension spring 66 is arranged on second end 12 of pedestal 1.Certainly, extension spring also can replace with other similar flexible member, such as stage clip etc.Clamping mechanism 6 also comprises the groove 42 that cooperates with projection 67, and its further groove 42 is arranged on the moving guide rail 4.Adopt extension spring 66 to be arranged on the design between second end 12 of lever 61 and pedestal 1, structure is very simple, and cost is lower.Between propelling arm 65 and lever 61, also be provided with biasing device, preferred, biasing device is set to torsion spring 68.Lever 61 is provided with pin 611, and torsion spring 68 1 ends are resisted against and advance arm 65, and the other end of torsion spring 68 is resisted against pin 611.Under the original state, this torsion spring 68 is jack-up projection 67 upwards, but projection 67 still is in the state that is separated with groove 42, and the operator can freely spur moving guide rail 4 and on pedestal 1, slided this moment.Have only when tramping with one's feet down pedal 62, under the effect of lever 61, advance arm 65 to produce pivoting action, could make projection 67 and groove 42 mesh.

In addition, on the lengthwise bearing of trend of moving guide rail 4, be provided with to same intervals a plurality of grooves 42, thereby can move to a plurality of positions to moving guide rail 4, and then change movable clamp port 41 and decide the distance between the jaw 31, be used for the workpiece of clamping different in width.

During work, the operator down steps on pedal 62 with pin, and pedal 62 drives lever 61 around 63 rotations of the 4th pivot; Arrive as position shown in dotted lines in Figure 3; And advance arm 65 under the effect of lever 61 to moving near the direction of decide jaw 31, simultaneously, owing to the effect of lever 61; Projection 67 and groove 42 engagements that this advances arm 65 drive moving guide rail 4 to pushing certain distance near the direction of deciding jaw 31.When unclamping pedal 62, under the effect of extension spring 66, advance arm 65 to retreat, lever 61 resets with pedal 62, and projection 67 breaks away from groove 42 simultaneously.For lever 61 and pedal 62 are resetted fast, extension spring 66 is set to two, has increased recovery capacity greatly.So, just can with move guide rail 4 together with movable clamp port 41 fast to front clamp.

In this preferred embodiment, extension spring axis 661 is advancing between arm pivot 69 and the lever pivot 63.The tie point 662 of above-mentioned in addition extension spring and lever 61 forms a triangle with the axle center 631 of axle center that advances arm pivot 69 691 and lever pivot 63; So extension spring can be set to level; Only the needs setting is very short just can reach the requirement that lever 61 resets, thereby greatly reduces cost.

Moreover, to install for convenient, extension spring 66 is provided with bolt 662 with the junction of pedestal 1, and bolt 662 is used to regulate the pretightning force of extension spring 66.When extension spring 66 is installed, at first unscrew bolt 662, wait install extension spring 66 after, the bolt 662 of screwing again.After anchor clamps were through long-time the use, the installation of extension spring 66 may fluff, thereby reset effect descends, can be through following the bolt 662 tension extension springs 66 of further screwing.Pedal 62 can be around the folded inside (as dotted line in Fig. 6 shown in) of pedal pivot axis 64 to pedestal 1 in addition.

As shown in Figure 6, after arriving required clamped position, just can the position of movable clamp port 41 be locked through the locking device 7 that is arranged between pedestal 1 and the lever 51.Locking device 7 comprises the guide pillar 71 of pivotal connection on lever 61, be slidingly arranged in cage knob 72 on the plate washer 13, be connected the connecting rod 73 in the hole at cage knob 72 back sides and be installed in connecting rod 73 lower ends slide block 74, and pivot be connected the swing seat 75 on the slide block 74 and be arranged on slide block 74 and swing seat 75 between the back-moving spring (not shown); Wherein the base plate of swing seat 75 is provided with the hole of accommodating guide pillar 71; Ought depress cage knob 72 downwards like this; Cage knob 72 just successively drivening rod 73, slide block 74 move down, upwards provoke and will swing seat 75, and swing 75 is upwards provoked; Make its base plate block guide pillar 71; Moving upward of guide pillar is locked like this, at this moment only needs step pedal 72, just can be with movable clamp port 71 lockings.And if want release, only need cage knob 72 is upwards lifted just passable.

Like Fig. 1, Fig. 2 and shown in Figure 6 owing to first pole 21, can be blocked by plate washer 13 when second pole 22 is folding laterally, therefore makes the pole 21 of winning, second pole 22 can only be respectively pivot folding around first pivot 24, second pivot 25 to the inboard of pedestal 1; And the 3rd pole 23 is provided with the elongated slot 231 of accommodating the 3rd pivot 26, and so, the 3rd pole 23 both can be folding to the pedestal medial and lateral around the 3rd pivot 26, also can slide with respect to the 3rd pivot 26.Because the 3rd pole 23 is provided with elongated slot 231, make the 3rd pole 23 can arrive primary importance, just duty fast in addition.The pedestal 1 of these anchor clamps is provided with the accepting groove 14 of accommodating the 3rd pole first end 232 in addition.

Fulcrum bar component 2 can move between first, second, third position, like Fig. 1, Fig. 2 and shown in Figure 6, in primary importance; Duty just; Its first pole 21, second pole 22, the 3rd pole 23 all are in non-folded state, form a tripod and come together support pedestal 1, make it be in suitable height; Handled easily person work, this moment, pedal 62 also was in non-folded state.

In the second place, just travel position is as shown in Figure 8, and first, second pole 21,22 is covered up to pedestal 1 folded inside, and as the transportation handle, this moment, pedal 62 also was in folded state to the 3rd pole 23 to pedestal 1 folded.And wheel 51 kiss the earths, and pedestal 1 is with respect to ground inclination, the operator just can conveniently transport this anchor clamps like this.

In the 3rd position, just storage configuration or packed state are like Fig. 9 and shown in Figure 10; At this moment first, second, third pole 21,22,23 all is covered up to pedestal 1 folded inside; Add that wheel 51 is arranged on the centre of pedestal 1, and the diameter of wheel 51 is also less, so reduced collection or packaging volume; Wheel 51 also need not dismounting when packing or collection, very convenient.Certainly, if desired during these anchor clamps of short distance transportation, also can the 3rd pole 23 be transported as carrying handle at this state.

With reference to Fig. 2, Figure 11 and shown in Figure 12; All stablize several kinds of positions in order to make pole; Between first pole 21 and pedestal 1, be provided with the fixture 8 of fixing first pole 21, certainly, between second pole 22 and pedestal 1, be provided with fixture 8 with spline structure; Be example just now, specify the concrete structure of this fixture with first pole 21.

Fixture 8 comprises the connector 81 that is fixedly set on the pedestal 1, is arranged at the sliding part 82 on the connector 81 slippingly, is arranged on the flexible member 83 between connector 81 and the sliding part 82 and is connected in the lid 85 on the sliding part 82 through screw 84.In this preferred embodiment, flexible member 83 is a stage clip.Certainly can also be replaced by other flexible member such as extension spring or torsion spring.Form receiving space between connector 81 and the pedestal 1, sliding part 82 is arranged in the receiving space with stage clip 83, and connector 81 is provided with the slotted hole 86 that screw 84 passes, and slotted hole 86 extends along the direction of sliding part 82 slippages.Sliding part 82 is provided with first counterpart and second counterpart in addition, and here first counterpart is that contact-making surface 87, the second counterparts of sliding part 82 are inclined-plane 88.

When first pole 21 is in non-folded state, this moment sliding part 82 under the active force of stage clip 83, the contact-making surface 87 of sliding part 82 closely contacts with first pole 21, fixed bit first pole 21 makes the support foundation 1 that it can be stable.

When needs fold first pole 21; The operator only need move lid 85, thereby drives sliding part 82 with respect to connector 81 slippages, throws off up to contact-making surface 87 and pole 21; Contact-making surface 87 just can not be fixed first pole 21 like this; Make first pole 21 around 24 motions of first pivot then, arrive like Figure 10 and shown in Figure 11, at this moment first pole 21 is in folded state.Same second pole 22 is identical with the method for folding of first pole 21.

Like Figure 14 and shown in Figure 15, after folding first pole 21 and second pole 22, the Folding pedal plate 62 again; Pedal 62 is provided with pin 621; Pin 621 is provided with backstop groove 622, and lever 61 is provided with hole 611, after pedal 62 folds; Hole 611 on backstop groove 622 and the lever 61 cooperates, thereby stably is fixed on folded state to pedal 62.

Other first pole 21 is provided with stopper section 211, and when pedal 62 was in folded state, stopper section 211 connected with pedal 62, falls down thereby limit first pole 21, is limited in folded state to first pole 21.Certainly, on second pole 22, also be provided with stopper section 211, be used for connecting, be limited in folded state to first pole 21 with pedal 62 with spline structure.

With reference to Fig. 6 and shown in Figure 10; Be provided with the 3rd fixture 9 of fixing the 3rd pole 23 between the 3rd pole 23 and the pedestal 1; This fixture 9 comprises the screw rod 92 of the elongated slot 231 of the side plate that passes pedestal 1 and the 3rd pole 23, the tapped button 93 that cooperates with screw rod 92, and symmetrically arranged clamping element 94; Wherein clamping element 94 is arranged at the both sides of the 3rd pole 23 and between the biside plate of pedestal 1; When unscrewing button 94, produce the gap between clamping element 94 and the 3rd pole 23, the 3rd pole 23 just can be folding to the medial and lateral of pedestal 1 around the 3rd pivot 26; When arriving desired location, the knob 93 of screwing just can make the 3rd pole 23 fixing.

When the 3rd pole 23 is in non-folded state; The first end 232 of the 3rd pole 23 is accommodated by the accepting groove 14 of pedestal 1; And the button 93 in the 3rd fixture 9 is screwed; Make it come support foundation 1, make it be in suitable height, handled easily person work with first pole 21, second pole, the 22 common tripods of forming.

When primary importance, duty just, first pole 21, second pole 22, the 3rd pole 23 and pedal 62 all are in non-folded state.

Shown in figure 13, in the second place, travel position just; First pole 21, second pole 22 are covered up to pedestal 1 folded inside; Wherein second pole 22 and first pole, 21 symmetries, and first pole 21, second pole 22 make it also fixing at folded state all by pedal 62 backstops; This moment, pedal 62 was covered up to the folded inside of pedestal; And the 3rd pole 23 is to pedestal 1 folded; And the button 93 through the 3rd fixture 9 is screwed, and makes it fixing as the transportation handle with respect to pedestal 1, and wheel 51 kiss the earths; Pedestal 1 is with respect to ground inclination; The operator just can transport this anchor clamps easily through pulling the 3rd pole 23 like this, and is very convenient, quick.

Like Figure 14 and shown in Figure 15, in the 3rd position, just storage configuration, packed state or carrying state; First pole 21, second pole 22 and the 3rd pole 23 all are covered up to pedestal 1 folded inside, and at this moment pedal 52 also is in folded state, adds that wheel 51 is arranged on the centre of pedestal 1; And the diameter of wheel 51 is also less; So can reduce the collection or the packaging volume of anchor clamps effectively, wheel 51 also need not dismounting when packing or collection, very convenient.Certainly, if desired during these anchor clamps of short distance transportation, also can the 3rd pole 23 be transported as carrying handle at this state.

Simultaneously in order to increase the friction on fulcrum bar component 2 and ground; Can make its more stable support foundation 1; As shown in Figure 2, an end that contacts with ground first, second pole 21,22 is provided with the bracing or strutting arrangement 212 of same structure, and existing is that example is explained the structure that it is concrete with first pole 21.

The profile of this bracing or strutting arrangement 212 is a stirrup shape, and floor space is bigger, and is more stable, and can also hold operator's a pin wherein, and the operator when needed can be with riding inside, to increase stability.This bracing or strutting arrangement 212 comprises the support member 213,214 that is oppositely arranged; And the base plate 215 of connection support member 213,214; And the not direct kiss the earth of this base plate 215, as shown in Figure 5, it has formed a bigger accepting groove 216; Contain the supporting pad 217 that directly contacts with ground at these accepting groove 216 inner rings, this supporting pad 217 is connected with base plate 215 through screw 218.Increase the frictional force with ground, and also can prevent to damage ground.

Certainly on base plate 215, also be provided with screw 219, in needs, can also this bracing or strutting arrangement 212 be fixed on the ground, so design makes anchor clamps of the present invention more stable in use.

As shown in Figure 2, the profile that on the second end 233 that contacts with ground on the 3rd pole 23, is provided with the 3rd bracing or strutting arrangement 234, the three bracing or strutting arrangements 234 also is a stirrup shape, and this structure floor space is bigger, more stable.The 3rd bracing or strutting arrangement 234 comprises the support member 235,236 that is oppositely arranged; And the base plate 237 of connection support member 235,236; And the not direct kiss the earth of this base plate 237, as shown in Figure 6, it has formed a bigger accepting groove 238; Contain the supporting pad 239 that directly contacts with ground at these accepting groove 238 inner rings, this supporting pad 239 connects through screw 240 and base plate 237.Increased the frictional force with ground, made support foundation more stable, and also can prevent to damage ground.

Shown in Fig. 2 and 14; The base plate 237 of the 3rd bracing or strutting arrangement 234 is provided with two draw-in grooves 241; Pedestal 1 is provided with spacer pin 15, and when the 3rd pole 23 was in folded state, draw-in groove 241 connected with spacer pin 15; Thereby make the 3rd pole 23 be fixed in folded state more firmly, such the 3rd pole 23 can be used as carrying handle.

Further with reference to Figure 12,,, form enough space confession operators between the 3rd pole 23 and the pedal 62 and grip when the 3rd pole 23 during as carrying handle because the 3rd pole 23 has been adopted said structure.Therefore, anchor clamps of the present invention have good human-machine operation property.In order to reduce packaging space, the distance L 3 between the 3rd pole 23 and the pedal 62 is preferably designed for 36.7mm in addition.

The above embodiments only are the most preferred embodiments that to it will be apparent to those skilled in the art that the present invention and provide in order to let.The present invention is not limited in above-mentioned concrete embodiment.Any those skilled in the art easy full of beard and improvement all within inventive concept of the present invention.

Claims (10)

1. anchor clamps comprise:

Pedestal with first end and the second end;

Folding and said pedestal connects and is used for the fulcrum bar component of support foundation;

Be located at the guide rail of deciding on the said pedestal;

Be located on the said first end and have the jaw of deciding of first clamping face;

Decide that guide rail connects and an end is provided with the moving guide rail of movable clamp port with said; Said movable clamp port have back to second clamping face and the 3rd clamping face; Second duty when first duty when said moving guide rail has said second clamping face in the face of first clamping face and said the 3rd clamping face are faced first clamping face

It is characterized in that: when said moving guide rail was in first duty, the ultimate range of second clamping face of said movable clamp port to first clamping face of deciding jaw was greater than 460mm.

2. anchor clamps according to claim 1 is characterized in that: when said moving guide rail was in first duty, second clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw was not more than 615mm.

3. anchor clamps according to claim 2 is characterized in that: when said moving guide rail was in first duty, second clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw equaled 615mm.

4. according to claim 1 or 3 described anchor clamps, it is characterized in that: when said moving guide rail was in second duty, the ultimate range of the 3rd clamping face of said movable clamp port to first clamping face of deciding jaw was greater than 940mm.

5. anchor clamps according to claim 4 is characterized in that: when said moving guide rail was in second duty, the 3rd clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw was not more than 2000mm.

6. anchor clamps according to claim 5 is characterized in that: when said moving guide rail was in second duty, the 3rd clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw was not more than 1244mm.

7. anchor clamps according to claim 6 is characterized in that: when said moving guide rail was in second duty, the 3rd clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw equaled 1244mm.

8. anchor clamps according to claim 1 is characterized in that: when said moving guide rail was in second duty, the 3rd clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw was not more than 2000mm.

9. anchor clamps according to claim 8 is characterized in that: when said moving guide rail was in second duty, the 3rd clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw was not more than 1244mm.

10. anchor clamps according to claim 9 is characterized in that: when said moving guide rail was in second duty, the 3rd clamping face of said movable clamp port to the ultimate range of deciding first clamping face of jaw equaled 1244mm.

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