CN2613344Y

CN2613344Y - Synchronous clamp device

Info

Publication number: CN2613344Y
Application number: CN 03202153
Authority: CN
Inventors: 叶横灿
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-01-14
Filing date: 2003-01-14
Publication date: 2004-04-28
Anticipated expiration: 2013-01-14

Abstract

The utility model relates to a synchronous clamping device, which comprises a pedestal, two oscillating arms, a driver element for blocking the oscillating arms, and two clamp seats which are blocked by one immobilizing end of the oscillating arms, wherein the pedestal is provided with a conduit which is arranged on two sides of the bottom center line, two pin rods which vertically penetrate the conduit, and a chute positioned on the top. The oscillating arms which are axis equipped on the pin rod are respectively provided with an immobilizing end extending into the chute and a driving end portion. The driver element is provided with a cylinder, a piston rod, and a connecting block, wherein the connecting block is equipped with a ring groove, and the driving end portions of the oscillating arms are nested in the ring groove. The clamp seats which are respectively arranged on the two sides of the center line are respectively provided with a slide leading portion nested in a slide leading portion of the chute and a gripping surface, wherein one bottom face of the slide leading portion is concave equipped with a calking groove, the immobilizing end of the oscillating arms is nested in the calking groove, thereby the oscillating arms can be driven to produce the pivoting when activating the driver element, further causing the oscillating arms to interlock with the clamp seats to produce synchronous closeness or aloofness, thereby being capable of producing the gliding movement and preventing the noises.

Description

Synchronous fixture

[technical field]

The utility model relates to a kind of anchor clamps, particularly relates to a kind of synchronous fixture.

[background technology]

Existing synchronous fixture as shown in Figure 1 and Figure 2 comprises slide bar 3, two that fixed pawl 2, two that a pedestal that takes the shape of the letter U 1, two is articulated in this pedestal 1 inside drives by fixed pawl 2 and is fixed in folder 4 and on these slide bar 3 opposed ends and can drives fixed pawl 2 and produce the driver element 5 of swing.This pedestal 1 has an accommodation space 101, two and is located in the chute 103 that tightening latch 102 and two in this accommodation space 101 laterally is through to accommodation space 101 inside.These fixed pawls 2 generally are the L type and the turning point axle is located on this tightening latch 102, respectively have one and are adjacent to the stopper end 201 of chute 103 and the drive end 202 of a contiguous driver element 5, and this drive end 202 is provided with a square hole 203.These slide bars 3 generally are elongated rod shape and are and are located in slidably in this chute 103, and a bottom surface is concaved with a draw-in groove 301 that can embed for stopper end 201.This driver element 5 has a cylinder body 501, that is fixed in these pedestal 1 one bottoms can stretch the binding sheet 503 that the piston rod 502 and that is located at these accommodation space 101 inside is installed in these piston rod 502 ends, but this binding sheet 503 has the claw 504 of two buckles in these square holes 203.

When driver element 5 activation and piston rod 502 generation expanding-contracting actions, utilize to link involving of sheet 503, fixed pawl 2 is produced swing, and make stopper end 201 driving slide bars 3 and folder 4 produce relative closing or separation.

Though the operation purpose that this anchor clamps can reach synchronous clipping or separate can produce following point in use:

When one, fixed pawl 2 produces swing, the movement locus of drive end 202 is to be circular-arc, so when this binding sheet 503 utilized in the square hole 203 of claw 504 buckles in these drive end 202, institute drove when being subjected to driver element 5 activation, claw 504 meetings and drive end 202 produce interferes and noises.

Two, as shown in Figure 1, between stopper end 201 and the draw-in groove 301 if the gap is not set, then the movement locus because of stopper end 201 also is to be circular-arc, so stopper end 201 does not have the space of the swing of can circling round at all, that is to say, under this state, stopper end 201 is to be subjected to 3 strangulations of slide bar, and fixed pawl 2 possibly can't produce action.

Three, on the contrary, for the stopper end 201 that makes fixed pawl 2 stopper slide bar 3 smoothly, and between draw-in groove 301 and stopper end 201, reserve bigger clearance, but this clearance but can cause noise, and can influence synchronization action.

[utility model content]

The purpose of this utility model is to provide a kind of synchronous fixture that produces sliding suitable action and prevent noise.

The utility model provides a kind of synchronous fixture, comprises swing arm, the driver element and two that supports this swing arm of pulling that a pedestal, two is hubbed on this pedestal one conduit inside and is subjected to swing arm one stopper end to support the clamp seat of pulling, and it is characterized in that:

This pedestal has a center line, and is arranged on a bottom and extends laterally at the chute that the conduit of center line both sides, the pin rod and that was located at these center line both sides in two minutes and vertically runs through this conduit are located at this pedestal top and are extended laterally at the center line both sides;

This swing arm is that axle is located on this pin rod, respectively has a stopper end and a drive end that stretches to this chute, and this stopper end and drive end are equipped with a circular-arc circular arc guide face;

This driver element has the connecting block that the flexible piston rod and of a cylinder body, a relative cylinder body is installed in this piston-rod end portion, and this connecting block side face is concaved with an annular groove, and the drive end of this swing arm is nested in this annular groove;

This clamp seat is located at this center line both sides respectively, respectively has a guide sliding part and a clamping face that is nested in this chute, and this guide sliding part one bottom surface is concaved with a caulking groove, and the stopper end of this swing arm is nested in this caulking groove.Whereby, can drive these swing arms when activating this driver element and produce and pivot, and make swing arm interlock clamp seat produce synchronous closing or away from.

Described synchronous fixture is characterized in that: this swing arm has more two, and to be located at stopper end and drive end inboard and be the neck of bringing shape together.

Therefore, advantage of the present utility model is as follows:

One, swing arm 20 is driven by driver element 30 and produces when swinging, the circular arc guide face 231 of drive end 23 produces to roll with annular groove 331 2 walls and contacts, even the movement locus of drive end 23 is circular-arc, still can reduce interference and noise between drive end 23 and the connecting block 33.

When two, clamp seat 40 is subjected to 20 stoppers of swing arm, also being between the circular arc guide face 221 of stopper end 22 and caulking groove 411 2 walls rolls contacts, and cooperate the nested effect of guide sliding part 41 and chute 13, between clamp seat 40 and stopper end 22, can keep sliding along contacting, and clamp seat 40 can slide along slidably produce displacements along chute 13, do not need to reserve clearance between the member, not only can not produce interference, noise, more can guarantee synchronization action.

[description of drawings]

Below by most preferred embodiment and accompanying drawing synchronous fixture of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is the flat assembly drawing of existing synchronous fixture.

Fig. 2 is the operational motion figure of this synchronous fixture.

Fig. 3 is the forward sight combination section of the utility model first preferred embodiment.

Fig. 4 is the cross-sectional schematic of being got along the straight line 4-4 among Fig. 3.

Fig. 5 is the local enlarged diagram of the above-mentioned preferred embodiment of the utility model.

Fig. 6 is the operational motion figure of the above-mentioned preferred embodiment of the utility model.

[specific embodiment]

For convenience of description, following embodiment, identical assembly is represented with identical label.

As shown in Figure 3, Figure 4, the preferred embodiment of the utility model synchronous fixture is to comprise a pedestal 10, two to be the swing arm 20, that is installed in these pedestal 10 inside pivotly and can to support driver element 30 and two that this swing arm 20 of pulling produces swing and can produce along pedestal 10 and slide and can be subjected to the swing arm 20 clamp seat 40 of pulling that supports.

This pedestal 10 is to make rectangular block shape, having a center line L, is arranged on a bottom and can extends laterally at the chute 13 that the conduit 11 of center line L both sides, the pin rod 12 and that was located at this center line L both sides in two minutes and vertically ran through conduit 11 are located at these pedestal 10 tops and can be extended laterally at center line L both sides, one A/F of this chute 13 is less than a groove bottom, and conduit 11 and chute 13 are interpenetrated.

Cooperate and consult Fig. 5, it is block and be installed in the conduit 11 that these swing arms 20 generally are the L template, has stopper end 22 and that a pivot part 21, that is located on this pin rod 12 is located at these pivot part 21 1 sides and can stretches to this chute 13 and driven and can make stopper end 22 convergences or away from the drive end 23 of center line L.This stopper end 22 and drive end 23 are equipped with a circular-arc circular arc guide face 221,231.In addition, these swing arms 20 have more two to be located at stopper end 22 and drive end 23 inboard and be the

neck

24,25 of bringing shape together.

The driver element 30 of present embodiment is to be example with the oil hydraulic cylinder, and have a cylinder body 31, that is installed in these pedestal 10 bottoms relatively cylinder body 31 produce a flexible and axis just is installed in these piston rod 32 terminal parts corresponding to the piston rod 32 and of center line L connecting block 33.These connecting block 33 side faces are concaved with one can be for circular arc guide face 231 movable the pivots and nested annular groove 331 of these drive end 23, the width of drive end 23 and annular groove 331 and make circular arc guide face 231 and annular groove 331 2 walls keep no gap state corresponding to the groove width of center line about equally.

These clamp seats were located at this center line L both sides in 40 minutes, but respectively have one and be nested in the guide sliding part 41 of chute 13 and a convergence slidably or away from the clamping face 42 of center line L, these guide sliding part 41 1 bottom surfaces are concaved with one can be for circular arc guide face 221 movable the pivots and nested caulking groove 411 of these stopper ends 22, the width of stopper end 22 and caulking groove 411 corresponding to the groove width of horizontal direction about equally, and the circular arc guide face 221 of stopper end 22 keeps no gap state with caulking groove 411 2 walls.

State as shown in Figure 3, this piston rod 32 and connecting block 33 all are positioned at a primary importance, the drive end 23 of this swing arm 20 this moment is subjected to affecting of connecting block 33, can make these stopper ends 22 convergence center line L relatively far away, and makes these folder front stalls 40 be relative clamping state.

As shown in Figure 6, when activating this driver element 30 and making piston rod 32 and connecting block 33 when being moved to a second place, connecting block 33 can push away the drive end 23 of pulling and produce upwards swing, and make stopper end 22 as producing swing towards direction as the seesaw, and make the guide sliding part 41 of these clamp seats 40 be subjected to the guiding of chute 13 and produce the action that externally moves mutually swimmingly away from center line L.And this swing arm 20 utilizes the setting of

neck

24,25 can avoid producing interference with clamp seat 40.

Conclude above-mentioned, the utility model synchronous fixture, the nested maintenance between the member, do not have the gap, and can not produce and interfere and noise, can reach the application target of expection really.

Claims

1. synchronous fixture comprises swing arm, the driver element and two that supports this swing arm of pulling that a pedestal, two is hubbed on this pedestal one conduit inside and is subjected to swing arm one stopper end to support the clamp seat of pulling, and it is characterized in that:

This clamp seat is located at this center line both sides respectively, respectively has a guide sliding part and a clamping face that is nested in this chute, and this guide sliding part one bottom surface is concaved with a caulking groove, and the stopper end of this swing arm is nested in this caulking groove.

2. synchronous fixture as claimed in claim 1 is characterized in that: this swing arm has more two, and to be located at stopper end and drive end inboard and be the neck of bringing shape together.