CN212265638U - Telescopic multifunctional clamp - Google Patents

Abstract

The utility model discloses a retractable multifunctional clamp, include: the clamping device comprises a fixed bracket and a plurality of clamping arms arranged on the fixed bracket; characterized in that the clamping arm comprises: with fixed bolster fixed connection's guide way, slidable mounting be in extension rod on the guide way is used for with the extension rod locking is in locking device on the guide way, and set up activity on the extension rod is kept silent and the scale be equipped with the cushion in the activity is kept silent. The utility model has the characteristics of light, easy operation, precision height, ability easy dismounting carry, be particularly suitable for carrying out the centre gripping to the soft cavity container of shell.

Description

Telescopic multifunctional clamp

Technical Field

The utility model relates to a four-jaw anchor clamps technical field especially relates to a retractable multifunctional clamp.

Background

Any process in the mechanical manufacturing process, the means for quickly, conveniently and safely installing the workpiece, may be referred to as a fixture. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short.

In daily life, cylindrical or cavity-type objects are clamped and positioned, a four-jaw clamp can be used, the clamping size range of the four-jaw clamp in the existing scheme is small, the clamping flexibility is poor, the precision is low, the surface stress is uneven, the four-jaw clamp is large and heavy, the operation is complex, and the surface is easily damaged by clamping. In addition, for some cavity containers with soft shells, the existing clamp is easy to cause deformation of the clamped object, and the clamping effect is not ideal.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a light, easy operation, precision are high, can easy dismounting carry, be particularly suitable for carrying out the retractable multifunctional clamp of centre gripping to the soft cavity container of shell.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A retractable multi-function clamp, comprising: the clamping device comprises a fixed bracket and a plurality of clamping arms arranged on the fixed bracket; characterized in that the clamping arm comprises: with fixed bolster fixed connection's guide way, slidable mounting be in extension rod on the guide way is used for with the extension rod locking is in locking device on the guide way, and set up activity on the extension rod is kept silent and the scale be equipped with the cushion in the activity is kept silent.

More preferably, the fixing bracket is a ring bracket.

More preferably, the number of the holding arms is four, and the peripheral edges of the fixing brackets are respectively fixed and arranged in a cross shape.

More preferably, the guide way is in by the bar shaped plate with open bar groove on the bar shaped plate constitutes, the bar shaped groove is and keeps away from the direction trend of fixed bolster, locking device passes for one end the lock bolt in bar shaped groove, lock bolt's double-screw bolt with extension rod threaded connection, lock bolt's nut keeps off on the bar shaped groove.

More preferably, the end of the guide groove is provided with a fixing surface respectively matched with the side surface and the top surface of the fixing bracket, and the two fixing surfaces are respectively fixed with the fixing bracket through corresponding screws.

More preferably, a sliding rail and a sliding groove which are matched with each other are arranged between the extension rod and the guide groove.

More preferably, the both sides of extension rod are equipped with the spout the downside of guide way be equipped with spout complex slide rail, the scale sets up the upper surface of extension rod.

More preferably, the movable jaw comprises: the fixed pliers are positioned at the outer end of the extension rod, the movable pliers are slidably arranged on the extension rod and matched with the fixed pliers, and the adjusting screw rod penetrates through the fixed pliers and then is in threaded connection with the movable pliers; the sliding direction of the movable pliers is consistent with the trend of the extension rod.

More preferably, the rubber mat comprises silica gel pads respectively arranged on the inner sides of the fixed pincers and the movable pincers.

More preferably, the telescopic multifunctional clamp is used for clamping cylindrical or cavity objects with soft shells.

The utility model has the advantages that:

the whole clamp can be formed only by the fixed support, the guide groove, the extension rod, the movable jaw and the rubber pad, and the clamp is simple and light in structure.

Two, adopt the scalable movable centre gripping fixed knot of four-bar to construct, can pinpoint the centre gripping scope through the scale mark, the centre gripping flexibility is good, easy operation, precision are high, can ensure by the soft cavity container of the shell atress of centre gripping even in vertical direction, avoid the soft cavity container of shell to warp when the centre gripping.

Thirdly, by arranging the silica gel pad in the movable jaw, when the movable jaw is clamped on a cylindrical or cavity-like object for fixation, the clamping force can be movably adjusted, so that the movable jaw is anti-skidding; the clamp force is even, combines the accurate location of the length of each centre gripping arm again for the effect that prevents to be warp by the centre gripping thing is more outstanding.

Fourthly, the fixing support and the guide groove are fixed by screws, and the guide groove and the extension rod are locked and limited by a slide rail, a slide groove and a locking bolt, so that each part can be very conveniently detached and is convenient to carry

To sum up, the utility model provides a pair of retractable multifunctional clamp is particularly suitable for functions such as the silica gel material stirring, the fixed of the soft cavity container of shell.

Drawings

Fig. 1 is a schematic structural view of the retractable multifunctional clamp provided by the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 shows a bottom view of the retractable multifunctional clamp provided by the present invention.

Description of reference numerals:

1: fixed bolster, 2: guide groove, 3: extension rod, 4: locking device, 5: movable jaw, 6: scale, 7: a rubber pad.

2-1: strip, 2-2: strip groove, 2-3: a slide rail.

3-1: a chute.

5-1: fixed clamp, 5-2: movable pliers, 5-3: adjusting the screw rod.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

As shown in fig. 1 to 3, a telescopic multi-function clamp includes: the device comprises a fixed support 1 and a plurality of clamping arms arranged on the fixed support 1; characterized in that the clamping arm comprises: with fixed bolster 1 fixed connection's guide way 2, slidable mounting be in extension rod 3 on the guide way 2 is used for with locking the locking device 4 of extension rod 3 on guide way 2, and set up activity on the extension rod 3 is kept silent 5 and scale 6 be equipped with cushion 7 in the activity is kept silent 5.

Wherein, the fixed bracket 1 is a circular bracket. The number of the clamping arms is four, and the four clamping arms are respectively used for fixing the peripheral edges of the fixed support 1 and are distributed in a cross shape. In other embodiments, the fixing bracket 1 has another annular structure such as an elliptical ring or a square ring, and the number of the clamping arms is three or five; the present embodiment is not limited.

The guide way 2 is in by strip shaped plate 2-1 with opening strip shaped groove 2-2 on the strip shaped plate constitutes, strip shaped groove 2-2 is and keeps away from the direction trend of fixed bolster 1, locking device 4 passes for one end strip shaped groove 2-2's locking bolt, locking bolt's double-screw bolt with 3 threaded connection of extension rod, locking bolt's nut keeps off on the strip shaped groove 2-2. One end of the strip-shaped plate 2-1 is fixed to the fixed frame 1, and in this embodiment, the preferable fixing manner is screw fixing. In order to ensure the reliability of the fixation of the two, the end part of the strip-shaped plate 2-1 is preferably provided with a fixing surface which is respectively matched with the side surface and the top surface of the fixing bracket 1, and the two fixing surfaces are respectively fixed with the fixing bracket 1 through corresponding screws.

A sliding rail and a sliding groove which are matched with each other are arranged between the extension rod 3 and the strip-shaped plate 2-1. In this embodiment, preferably, sliding grooves 3-1 are formed in two sides of the extension rod 3, preferably, sliding rails 2-3 matched with the sliding grooves 3-1 are formed on the lower sides of the strip-shaped plates 2-1, and preferably, the scales 6 are arranged on the upper surface of the extension rod 3. Obviously, those skilled in the art can also interchange the positions of the sliding rail and the sliding groove, or dispose the sliding groove on other surfaces of the strip-shaped plate, and is not limited to the embodiment.

The movable jaw 5 includes: the device comprises a fixed clamp 5-1 positioned at the outer end of an extension rod 3, a movable clamp 5-2 which is slidably arranged on the extension rod 3 and is matched with the fixed clamp 5-1, and an adjusting screw rod 5-3 which penetrates through the fixed clamp 5-1 and is in threaded connection with the movable clamp 5-2; the sliding direction of the movable pliers 5-2 is consistent with the trend of the extension rod 3. The rubber pad 7 comprises silica gel pads which are respectively arranged on the inner sides of the fixed pincers 5-1 and the movable pincers 5-2.

The embodiment provides a telescopic multifunctional clamp, its theory of operation is: 1) according to the actual size of a cylindrical or cavity object with a soft shell, the extension length of each extension rod is accurately adjusted by combining with the scales 6, and the extension rods 3 are locked; 2) clamping each movable jaw 5 at the clamping position of the object, and then rotating the adjusting screw 5-3 to clamp and position the movable jaw 5 and the object.

Compared with the prior art, the retractable multifunctional clamp that this embodiment provided has following characteristics: 1) the whole clamp is composed of an annular fixed support and a plurality of clamping arms, and is simple and light in structure. 2) The four-rod telescopic movable clamping fixing structure is adopted, the clamping range can be accurately positioned through the scale marks, the clamping flexibility is good, the operation is simple, the precision is high, the stress of the clamped shell flexible cavity container in the vertical direction can be ensured to be uniform, and the deformation of the shell flexible cavity container in the clamping process is avoided. 3) The rubber pad is arranged in the movable jaw, so that when the movable jaw is clamped on a cylindrical or cavity object for fixing, the clamping force can be movably adjusted, and the movable jaw is anti-skidding; the clamp force is even, combines the accurate location of the length of each centre gripping arm again for the effect that prevents to be warp by the centre gripping thing is more outstanding. 4) Adopt the fix with screw between fixed bolster 1 and the guide way 2, adopt slide rail, spout and locking bolt locking spacing between guide way 2 and the extension rod 3 for each part can be dismantled very conveniently and open, convenient to carry. In conclusion, the telescopic multifunctional clamp provided by the embodiment is particularly suitable for the functions of stirring of silica gel materials, fixing of cavity containers with soft shells and the like.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (10)

1. A retractable multi-function clamp, comprising: the clamping device comprises a fixed bracket and a plurality of clamping arms arranged on the fixed bracket; characterized in that the clamping arm comprises: with fixed bolster fixed connection's guide way, slidable mounting be in extension rod on the guide way is used for with the extension rod locking is in locking device on the guide way, and set up activity on the extension rod is kept silent and the scale be equipped with the cushion in the activity is kept silent.

2. The telescopic multi-function clamp of claim 1, wherein said fixing bracket is a ring bracket.

3. The telescopic multi-function clamp of claim 1, wherein the number of the clamping arms is four, and the peripheral edges of the fixing brackets are respectively fixed and arranged in a cross shape.

4. The telescopic multifunctional clamp according to claim 1, wherein the guide groove is formed by a strip-shaped plate and a strip-shaped groove formed in the strip-shaped plate, the strip-shaped groove is in a direction away from the fixing support, the locking device is a locking bolt with one end penetrating through the strip-shaped groove, a stud of the locking bolt is in threaded connection with the extension rod, and a nut of the locking bolt is blocked on the strip-shaped groove.

5. The telescopic multifunctional clamp according to claim 1, wherein fixing surfaces respectively matched with the side surface and the top surface of the fixing bracket are arranged at the end part of the guide groove, and the two fixing surfaces are respectively fixed with the fixing bracket through corresponding screws.

6. The telescopic multi-function clamp of claim 1, wherein a slide rail and a slide groove are provided between the extension rod and the guide groove.

7. The retractable multifunctional clamp as claimed in claim 6, wherein sliding grooves are provided on two sides of the extension rod, sliding rails engaged with the sliding grooves are provided on the lower side of the guiding groove, and the scale is provided on the upper surface of the extension rod.

8. The retractable multi-function clamp of claim 1, wherein said movable jaw comprises: the fixed pliers are positioned at the outer end of the extension rod, the movable pliers are slidably arranged on the extension rod and matched with the fixed pliers, and the adjusting screw rod penetrates through the fixed pliers and then is in threaded connection with the movable pliers; the sliding direction of the movable pliers is consistent with the trend of the extension rod.

9. The retractable multifunctional clamp of claim 8, wherein the rubber pads comprise silicone pads respectively disposed on the inner sides of the fixed pincers and the movable pincers.

10. The telescopic multifunctional clamp as claimed in claim 1, which is used for clamping cylindrical or cavity-like objects with soft outer shells.

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