CN2190185Y

CN2190185Y - Improved C-shape clamping apparatus

Info

Publication number: CN2190185Y
Application number: CN 93243191
Authority: CN
Inventors: 李烺坤
Original assignee: Individual
Current assignee: Li Chunmu
Priority date: 1993-10-22
Filing date: 1993-10-22
Publication date: 1995-02-22
Anticipated expiration: 2003-10-22

Abstract

The utility model relates to an improved C-shaped clamping apparatus, comprising a C-shaped fixed clamp body, a driving device, an L-shaped clamp rod, etc., wherein, the front part of the C-shaped fixed clamp body is provided with a clamp liner, the end of the C-shaped fixed clamp body is provided with a sheathing part for fixing the driving device. The driving device comprises a fixed handle, a driving handle, a torsion spring, a clamping body, and a dial body. The fixed handle is riveted on the sheathing part of the fixed clamp body, a hole is penetrated from the fixed handle to the shaft line of the sheathing part for the clamp rod penetrating into the fixed clamp body directly; one side of the front section of the rod is provided with a stop reversing gear whose front end is sheathed with a liner. The clamp rod drives the clamp body by the torsion spring and the driving handle to cause the stop reversing gear of the clamp body move forwards closely, and when the clamping body is rebounded, the clamp rod is stopped for the limit of the clamping body.

Description

Improved C-shape clamping apparatus

A kind of quick C type anchor clamps of improvement, refer in particular to especially the improvement of a kind of tool can with desire to be fixedly clamped working substance do rapidly the quick C type anchor clamps of the structure that inserts and puts, drives urgent lock or discharge fast.

With regard to the C type anchor clamps that present tradition is commonly used, see also Fig. 1, be depicted as the perspective view of traditional C type anchor clamps.The structure of these C type anchor clamps is very simple, mainly comprises: a C type clamp 1, one end offers a screw 2 for the direct screw propulsion or step back and insert and put working substance fixing or release off of a screw rod 3.Only revolve can the holder crop because of screw rod 3 slowly lock for the C type anchor clamps of this structure of tool class, quite inconvenient and expend time in and manpower when practical operation is used, so suffer exit gradually.

So many manufacturers actively seek to improve and solution, please cooperate and consult Fig. 2, are depicted as the floor map of the quick C type anchor clamps of prior art.Its structure is mainly to hold before a C type jig arm 4 and is set with a clamp 41, and its end then is the portion of receiving 42, and this is received portion 42 and combines with an advancing means 5.This advancing means 5 mainly drives into by one, and handle 51, a forward block 52, a clamping block 53 and elements combination such as two pressure spring S1, S2 form.Respectively be arranged in an open-work 421,521,531 in the position of the portion of receiving 42, forward block 52, clamping block 53 same axis, can directly penetrate in C type jig arm for another L type push rod 6.Sheathed more in addition another clamp 61 of end before L type push rod 6.Above-mentioned advancing means 5 is to have one in this appropriate position pivot of receiving portion 42 to drive into a handle 51 and a pressure spring S, and end is provided with a flange 511 before this handle, push ahead in order to stir forward block 52, and make forward block 52 be subjected to the effect of the elastic restoring force of another pressure spring S1 simultaneously.This forward block 52 is because of only the monolateral application of force of the flange 511 of handle is skewed pushing and pressing by driving into, thereby by the frictional force of 6 of the oblique hole wall of forward block 52 its open-works 521 and L type push rods L type push rod 6 pushed ahead.In addition, distal process is provided with a hook part 422 outside the portion of receiving 42 again, in order to set a clamping block 53.This clamping block 53 be subjected to another pressure spring S2 elastic restoring force effect and be one skewed, thereby make the 531 one-tenth one oblique shapes of open-work on the clamping block 53 unlikelyly so that can limit L type push rod 6 only can push ahead slide backward.When desire advances this L type push rod 6 fast or extracts out backward, must can allow L type push rod 6 pass through smoothly clamping block 53 pressings.

By the quick C type anchor clamps that said elements constituted, with the combination of its space kenel, can reach the purpose of quick clamping or release working substance really, but when actual manufacturing of manufacturer or the actual use of supply Consumer, still have the following points defective at least:

1. in the advancing means that this portion of receiving installs, its forward block, clamping block and two pressure springs all must run through in conjunction with can fixed combination by L type push rod; Promptly when L type push rod is extracted out fully, will cause the separation of said elements, be easy to take place the misgivings of composition element loss.

2. its L type push rod is complete frictional force by forward block, so that can produce the power of pushing ahead, precisely because L type push rod is driving under the urgent lock via operator's gravity, be very easy to cause the abrasion on its L type push rod surface to destroy, under action of gravity after a while, will cause having the anxiety of L type push rod or forward block distortion.

3. this device is fully by the frictional force between push rod and the L type push rod, Jing and reach the purpose of locking holder crop, precisely because running into that mechanical vibration force is big, impact force is high or during the gravity cutting, cause L type push rod that the phenomenon of loosening slippage takes place easily, the preferable fixed effect that holds can't be provided.

4. one of its advancing means forward block, a clamping block and two pressure springs all are exposed to the outside, when manipulating, are easy to take place the misgivings that pressure spring or forward block are clamped operator's relevant safety such as hand.

In view of this, how to provide a kind of tectonic association simple, be installed in the IGP height, need often do not keep in repair, have the brute force effect of being locked, and operate the quick C type clamp structure of the handy improvement of brisk use, should be that manufacturer makes great efforts to improve and the Consumer looks forward to and has.

The purpose of this utility model is to provide a kind of quick C type anchor clamps of improvement.

The quick C type anchor clamps of a kind of improvement provided by the utility model, its structure comprises that mainly a C type retaining clip, drives a motion device and a L type supporting rod, it is characterized in that: end has been set up a folder pad before this C type retaining clip, end then is provided with a belled part, fix a fixed handle for the lock knot, and on the same axis of fixed handle and belled part, run through an open-work that has with L type supporting rod bar footpath same diameter respectively, make L type supporting rod can directly penetrate in this C type retaining clip; In the non-return tooth of one of L type supporting rod stage casing side setting with the tool suitable length, latter end then makes one can be for the portion that curves of the direction of turning non-return tooth, held sheathed another folder to fill up again before the bar section, L type supporting rod can drive the non-return tooth of the direct drive of motion device by one and advance to fill up the packing working substance with this two folder toward the forerunner;

The above-mentioned motion device that drives comprises that pivot knot is placed in a driving handle and a torque spring at the containing space place that fixed handle and belled part limited, and, drive handle in order to restriction and break away from its slewing area because of the effect of the elastic restoring force that is subjected to torque spring in the other pin that wears of the pivot knot neighbour of place of this a driving handle and a torque spring; End makes that by another locating stud pivot knot one a group of system body and a spacing spring dialling the system body can be driven the drive of handle and back and forth drive precession and do before this drives handle again, and perseverance is limited by spacing spring and upwards prevents moving in the top; Location place before dialling the same axis of system body, other penetrates a locating stud, a fastening convex side and a spacing spring; Drive by the power of this driving handle and to dial the system body and the non-return tooth of L type supporting rod is stirred forward driven into, it is moving that this non-return tooth is prevented by another fastening convex side embedding also simultaneously, L type supporting rod only can be pushed ahead, group system body can be set back along teeth directional continue action, also the L type can be seized on both sides by the arms bar and turn, can do rapid propelling location and return release to the side of no non-return tooth.

Major advantage of the present utility model is quick C type anchor clamps that a kind of improvement of being provided is provided by the driving handle of integral cast handle inside pivot knot and dials the set non-return tooth in system body and this L type supporting rod stage casing and be meshed, can grasp for the operator and to hold this and one drive handle, that borrows advances the packing working substance with braking L type supporting rod to the forerunner, so that can cut at gravity, under the working environment of high impact forces and big vibration force, still keep the effect of powerful locking working substance.

Another advantage of the present utility model is that the quick C type anchor clamps that a kind of improvement of being provided is provided can be turned its L type supporting rod to the even surface place that does not have non-return tooth section, can rapidly these L type supporting rod pushing and pressing be folded in working substance for the operator, or extract out and unclamp working substance, thereby provide the operator certain progress effect easy to use, rapid.

An advantage more of the present utility model is that the quick C type anchor clamps that a kind of improvement of being provided is provided can be hidden in fixed handle inside with driving motion device; thereby effect with high security and protecting component; avoid all multicomponent injury operator's danger, reduce the practical effect of element maintenance simultaneously.

The function and benefit of understanding structure content of the present utility model in depth and can reach for those skilled in the art are easy to, enumerate detailed introduction of a specific embodiment and conjunction with figs. now and be described as follows:

Fig. 1 is the perspective view of traditional C type anchor clamps.

Fig. 2 is the floor map of the quick C type of prior art anchor clamps.

Fig. 3 is the three-dimensional exploded view of the quick C type anchor clamps of improvement of the present utility model.

Fig. 4 reaches the enlarged view of wherein dialling the system body portion for the side view of the quick C type anchor clamps of improvement of the present utility model.

Please cooperate and consult Fig. 3, be depicted as the three-dimensional exploded view of the quick C type anchor clamps of a kind of improvement of the present utility model.The structure of the quick C type anchor clamps of this improvement is mainly driven organ institute common combinations such as a motion device 20 and a L type supporting rod 30 and is formed by a C type retaining clip 10.

This C type retaining clip 10 is processed into the some reinforced ribs 12 of tool to increase its structural strength for two lamellar bodies 11 that by a tool rigidity, generally are the C font insert and put the pedestal that riveted forms on this sheet surface.The front end of pedestal is made a circular disk body 13 and is set thereon and is fixed with a folder pad 14.Then make the formation one circular belled part 15 that stretches out in the other end of pedestal, fix a fixed handle 21 for the lock knot.Running through open-work 211, a 151(open-work 211 that has with L type supporting rod 30 bars footpaths same diameter on the same axis of fixed handle 21 and circular belled part 15 is found among Fig. 4), for this L type supporting rod 30 can pass be hidden in the fixed handle 21 and in hereinafter will narrate drive into mechanism 24 and outside extending for C type retaining clip 10.

This drives motion device 20 and drives handle 22, a torque spring 23 and by a fixed handle 21, and drive into that mechanism 24 assembles jointly.This drives into, and mechanism 24 comprises: one group of system body 241, a fastening convex side 242, two limit spring S1 and S2 and locating stud P1 and P2 etc.These fixed handle 21 rivetings are tied on the circular belled part 15 of C type retaining clip 10.Fixed handle 21 limits a containing space 212 with this circle belled part 15.In fixed handle 21 hold that the appropriate position wears a locating stud P1 on the body, one drive a handle 22 and a torque spring 23 for what the pivot knot was placed into.Wear a pin P2 in addition in the neighbour at locating stud P1 pivot knot place is other, break away from its slewing area because of the effect that is subjected to torque spring 23 elastic restoring forces in order to limit this driving handle 22.In addition, end is made a body 241 and a spacing spring S1 by one group of locating stud P3 pivot knot before this drives handle 22.Thereby making this group system body 241 and loosen at pressing being driven when driving handle 22 does one and drives back and forth that precession is done and it drives precession and then is limited by spacing spring S1 and upwards prevents and move in the top.Moreover the anterior position place dialling system body 241 same axis penetrates a locating stud P4 in addition, and this locating stud P4 pivot is tied a fastening convex side 242 and a spacing spring S2.

This L type supporting rod 30 is a rough bar section that is the L type, and the non-return tooth 31 of a suitable length is made in side, one of bar section stage casing, and latter end is then made one and curved portion 32, can be for the direction of turning non-return tooth 31.This L type supporting rod 30 directly penetrates in the open-work 211,151 that wears on said fixing handle 21 and the circular belled part 15 and is subjected to this fastening convex side 242 that drives mechanism 24 into and dials system body 241 and brake and drive into.

Structure by the quick C type anchor clamps of said elements, improvement that mechanism combined is shown among Fig. 4.By among this figure as can be known, after L type supporting rod 30 is placed through fixed handle 21 inside, the non-return tooth 31 that can be provided with by L type supporting rod 30 stage casings with drive mechanism 24 in dial and make body 241 and be meshed.This group system body 241 is driven handle 22 and a torque spring 23 drives and the non-return tooth 31 on the L type supporting rod 30 is pushed ahead, and 241 perseverances of this group system body are subjected to the elastic force and being closely against in the non-return tooth 31 of making progress of a spacing spring S1.At this moment, the non-return tooth 31 of pushing ahead is subjected to the embedding prevention of another fastening convex side 242 simultaneously and moves, and its L type supporting rod 30 only can be pushed away forward, just can set back along teeth directional and dial system body 241, moves so that continue the next one.

When operator's desire is clamped and fastened on a certain working substance on the worktable, the operator only must be posted by the worktable below with a folder pad 14 of C type retaining clip 10 front ends, the surface that L type supporting rod 30 is advanced fast in working substance in addition, and utilize another folder pad 33 of L type supporting rod 30 that working substance is folded between the two folder pads, start by the operator again and drive handle 22, just can L type supporting rod 30 be done further braking fix, drive urgent lock by driving into mechanism 24.Move back working substance if desire pine, only L type supporting rod 30 must be turned level and smooth place, L type supporting rod 30 can be extracted out the pine oil working substance rapidly to the another side.

Claims

A kind of quick C type anchor clamps of improvement, its structure comprise that mainly a C type retaining clip, drives a motion device and a L type supporting rod, is characterized in that:

The front end of this C type retaining clip has been set up a folder pad, terminal then be provided with one and fix the belled part of a fixed handle for lock knot, run through an open-work that has with L type supporting rod bar footpath same diameter on the same axis of fixed handle and belled part respectively, L type supporting rod directly penetrates in the C type retaining clip; L type supporting rod stage casing one side is provided with the non-return tooth of suitable length, latter end then makes one can be for the portion that curves of the direction of turning non-return tooth, held sheathed another folder to fill up again before the bar section, L type supporting rod can drive the non-return tooth of the direct drive of motion device by one and advance to fill up the packing working substance with this two folder toward the forerunner;

The above-mentioned motion device that drives, comprise that pivot knot is placed in one of containing space place that fixed handle and belled part limited and drives a handle and a torque spring, and wear one in this drivings handle and the torque spring pivot knot neighbour of place side in order to limit the driving handle breaks away from its slewing area because of the effect of the elastic restoring force that is subjected to torque spring pin; End makes that by locating stud pivot knot one a group of system body and a spacing spring dialling drives that the system body can be driven handle back and forth drives precession and do before this drives handle again, and perseverance be limited by spacing spring upwards the top prevention move; Location place before dialling the same axis of system body penetrates a dowel, a fastening convex side and a spacing spring in addition; Drive by the power of this driving handle and to dial the system body the non-return tooth of L type supporting rod is dragged on forward, it is moving that this non-return tooth is prevented by a fastening convex side embedding also simultaneously, and L type supporting rod only can be pushed ahead, and allows dial the system body and can set back along teeth directional and continue action.