KR101868577B1 - Clamp - Google Patents

Abstract

The clamp of the present invention comprises: a bed; A bracket fixed on the bed; A block having one side fixed to the bracket and a through hole penetrating in a direction toward a fixture to be fixed; A stationary clamp fixed to an upper portion of the block and extending forward of the block and having one side fixed to one side of the fixture in contact with one side of the fixture to be fixed to the extended end; An operating rod coupled to the through hole at the rear of the block and movable forward and rearward; A moving shaft which is hinged to the front end of the moving rod in such a manner that the rear end thereof is rotatably connected to the front end of the operating rod, A moving clamp having a second fixing part for fixing the other side; An inner portion during a rotation to guide the movable clamp to rotate away from the fixed clamp when the operation rod is moved forward; And a movable clamp coupled to the actuating rod and hinged to the actuating rod such that the actuating rod is moved rearward by a tension force, the rear end of the movable clamp being resiliently mounted on a rear portion of the actuating rod, And a spring for fixing the fixture in a state in which the fixture is held in contact with the other fixture of the fixture.

Description

Clamp {Clamp}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clamp, and more particularly, to a clamp used for inspecting an automobile part to fix an automobile part.

Generally, a clamp fixes workpieces, parts, and the like, and is used in various forms.

Particularly, the plate-shaped part is composed of a fixed clamp and a moving clamp, so that the moving clamp is spaced from the fixed clamp so that the part is positioned between the fixed clamp and the moving clamp and the moving clamp is moved in the fixed clamp direction It is common to use a clamp.

At this time, it is general to use a method of moving the movable clamp so that the movable clamp and the fixed clamp are positioned on the same axis line, and the movable axis for moving the movable clamp is moved linearly.

In this case, the axial movement distance of the moving clamp is short, so that the gap between the moving clamp and the fixed clamp is short. In the case of a component having a bent portion such as a bent plate, Is difficult to insert. Accordingly, when inserting the component between the movable clamp and the fixed clamp, there is a problem that the component must be inserted and fixed to the side of the clamp. Accordingly, the left and right fixing positions of the parts must be readjusted, and it is more difficult to fix the parts when they are long.

In addition, when the moving distance of the moving clamp in the axial direction is increased to increase the distance between the moving clamp and the fixed clamp, there is a problem that the clamp becomes large.

SUMMARY OF THE INVENTION The present invention has been conceived in order to solve the problems described above, and it is an object of the present invention to provide a clamping device, And a clamp for easily fixing the clamping member.

It is another object of the present invention to provide a clamp which makes it possible to fix a movable clamp compressed by a spring, thereby facilitating fixing of the component.

A clamp according to the present invention comprises: a bracket (10) fixed on a bed (1) to be clamped; (20) having one side fixed to the bracket (10) and having a through hole (21) penetrating in a direction toward a fixture to be fixed; A fixed clamp (not shown) having one side fixing part 31 fixed to the upper part of the block 20 and fixed to one side of the fixing part to be fixed to the extended end of the block 20, (30); An operating rod (40) coupled to the through hole (21) at the back of the block (20) and movable forward and rearward; A moving shaft 51 hinged to the front end of the operating rod 40 in such a manner that the rear end of the moving rod 51 is pivotally connected to the front end of the operating rod 40, A moving clamp 50 provided on the upper surface of the fixing member and having another side fixing portion 52 for fixing the other side of the fixing member in contact with the other side surface of the fixing member to be fixed; (60) during a turn to guide the movable clamp (50) to rotate away from the fixed clamp (30) when the actuating rod (40) is moved forward; The working rod 40 is coupled to the operating rod 40 and has its rear end bulged at the rear portion of the operating rod 40 and its forward end bulged at the rear of the block 20, So that the other fixed portion 52 of the movable clamp 50 hinged to the operation rod 40 is brought into contact with the one fixed portion 31 of the fixed clamp 30 so as to be fixed And a spring (70) for rotating the spring (70).

"형상으로 된 안내홈(63)으로 이루어지는 것을 특징으로 한다.The inside 60 during the rotation also includes respective extensions 61 extending forwardly on both sides of the block 20 and a plurality of elongate members 61 coupled to the moving shaft 51, And an engaging pin 62 formed on the extension portion 61 and guided at both ends of the engaging pin 62 so that the engaging pin 62 is engaged with the engaging pin 62. When the operating rod 40 is moved forward, When the movable clamp 50 is rotated away from the fixed clamp 30, the movable shaft 51 to which the engaging pin 62 is engaged is pivoted so that the "

Shaped guide groove 63. The guide groove 63 is formed in a shape of "

The operating rod 40 is axially coupled to the rear end of the operating rod 40 so as to be rotatable and the front end of the operating rod 40 is coupled to the moving axis of the moving clamp 50 51 which are hinged to the rear end of the operating rod 40 so that the moving shaft 51 is rotatable; And an operation rod forward movement holding section (90) for maintaining the movement of the operation rod (40) forward by rotation of the operation rod (40) axially coupled to the operation rod (40).

The operation rod forward movement holding portion 90 includes a latch pin 91 coupled to the operation rod 40 and perpendicularly coupled to the through hole 21, And a through hole (21) communicating with the through hole (21) and the operation rod inlet groove (92), and a through hole (21) communicating with the through hole (21) The engaging pin 91 is inserted into the engaging pin 91 by the rotation of the engaging pin 91 coupled to the actuating rod 40 when the actuating rod 40 is rotated, And an engaging pin catching groove (93) for retaining the operating rod (40) in a forwardly moved state by engaging the engaging pin engaging groove (93).

The present invention facilitates fixation of a component that requires a large gap between a fixed clamp and a movable clamp, such as a bent plate, by increasing the distance between the fixed clamp and the movable clamp by rotating the movable clamp apart from the axial line of the fixed clamp And the clamp can be miniaturized.

In addition, since the movable clamp, which is compressed by the spring, can be fixed, the movable clamp and the fixed clamp are kept open, so that it is easy to fix the component.

1 is a perspective view showing a clamp of the present invention.
2 is an exploded perspective view showing the clamp of the present invention.
3 to 5 are views showing an operating state of the clamp according to the present invention.
6 is a state of use of the clamp according to the present invention.

Hereinafter, the clamp of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a perspective view showing a clamp of the present invention, FIG. 2 is an exploded perspective view showing a clamp of the present invention, FIGS. 3 to 5 are views showing an operating state of a clamp according to the present invention, Fig.

Of the terms used in the description of the present invention, the forward and rearward directions do not always refer to the forward and backward positions on the position, but also to the direction in which the operating rod 40 moves.

As shown, the clamp of the present invention comprises a bracket 10; Block 20; A stationary clamp 30; An operating rod 40; A moving clamp 50; Interior 60 during rotation; And a spring (70).

The bracket 10 is fixed on the bed 1 on which the clamp is to be installed (see Fig. 6). The bracket 10 is fixed to the bed 1 through a bracket fixing part 11 (see FIG. 6) for fixing the bracket 10.

The block 20 has one side fixed to the bracket 10 and a through hole 21 penetrating in a direction toward the fixture 2 to be fixed.

The stationary clamp 30 is fixed to the upper portion of the block 20 and extends forward of the block 20 and comes into contact with one side of the stationary fixture to be fixed to the extended end thereof, (31).

The operating rod 40 is coupled to the through hole 21 at the back of the block 20 and is movable forward and backward.

The moving clamp 50 is composed of a moving shaft 51 and another side fixed portion 52.

The moving shaft 51 is located on the same axis as the operating rod 40 and is hinged to the front end of the operating rod 40 so that the rear end thereof is rotatable.

The other side fixing part 52 is provided at the front end of the moving shaft 51 and is in contact with the other side of the fixing object to be fixed, thereby fixing the other side of the fixing object.

The other fixed portion 52 is vertically coupled to the movable shaft 51 in a direction toward one fixing portion 31 of the fixed clamp 30.

During the rotation, the inside 60 serves to guide the moving clamp 50 to be rotated away from the stationary clamp 30 when the operating rod 40 is moved forward.

The spring 70 is coupled to the actuating rod 40 and has its rear end bulged against the rear portion of the actuating rod 40 and its forward end against the rear of the block 20, The rod 40 is moved rearward so that the other fixed portion 52 of the movable clamp 50 hinged to the actuating rod 40 is brought into contact with the one fixed portion 31 of the fixed clamp 30 Thereby fixing the fixture in a bite state. The spring 70 is compressed when the operation rod 40 is pushed from the rear side and the pushing of the operation rod 40 is released in a state in which the fixture is positioned between the fixed clamp 30 and the movable clamp 50 The operating rod 40 is moved backward by the tension of the spring 70 and the moving clamp 50 hinged to the operating rod 40 when the operating rod 40 is moved backward, So that the fixture is fixed by the moving clamp 50 and the stationary clamp 30. As a result, At this time, the spring 70 applies an elastic force to the actuating rod 40 by a tensile force so that the other fixed portion 52 of the movable clamp 50 and the one fixed portion 31 of the fixed clamp 30 Thereby providing a fixing force for fixing the fixture.

As described above, according to the present invention, when the movable clamp 50 is moved away from the fixed clamp 30 by being pushed forward by the pushing of the operation rod 40, the movable clamp 50 is rotated by the inner 60 during the rotation, The distance between the movable clamps 50 becomes large, and it becomes easy to fix the parts such as the bent plate requiring a large gap between the fixed clamp 30 and the movable clamp 50. [ Further, since the distance between the fixed clamp 30 and the movable clamp 50 is increased without increasing the moving distance of the movable clamp 50, there is an advantage that the clamp can be downsized.

The inner portion 60 during the rotation includes an extension portion 61, an engagement pin 62, and a guide groove 63.

The extension portion 61 extends forwardly on both sides of the block 20 and is formed as a pair.

The coupling pin 62 is coupled to the moving shaft 51 and is vertically coupled to each of the extending portions 61.

"형상으로 된다.The guide groove 63 is formed in each of the extended portions 61 so that both ends of the engagement pin 62 are engaged and guided. When the operation rod 40 is moved forward, So that the moving shaft 51 to which the engaging pin 62 is engaged rotates when the engaging pin 62 is rotated away from the fixed clamp 30,

"

"형상으로 된다.The guide groove 63 is elongated in the same direction as the axial direction of the moving shaft 51 so that the moving clamp 50 moves from the stationary clamp 30 to the moving shaft 50 when the operating rod 40 is moved forward. And an axial guide groove 63a which is spaced apart from the axial direction guide groove 63a so as to be spaced apart in the axial direction of the operating rod 51. The operating rod 40 is inclined downwardly from the axial guide groove 63a, 50) is inclined downward from the fixed clamp (30) so that the overall shape is "

"

The clamp according to the present invention in the above-described form can be obtained by placing the fixture between the movable clamp 50 and the fixed clamp 30 rotated away from the fixed clamp 30 while the operation rod 40 is being pressed, When the fixture is positioned between the movable clamp 50 and the fixed clamp 30, the pressing state of the actuating rod 40, that is, the state in which the actuating rod 40 is pressed It shall be maintained in the forward movement state. To this end, according to the present invention, by providing the shaft portion 80 and the operation rod forward movement holding portion 90 so that the operation rod 40 is rotated in the pressing state, So that the operating rod 40 is kept in a pressed state, that is, the operating rod 40 is moved forward.

The axis portion 80 is located between the operating rod 40 and the moving clamp 50. The operating rod 40 is axially coupled to the rear end of the operating rod 40 so as to be rotatable, Is hinged to the rear end of the moving shaft (51) of the driving shaft (50) so that the moving shaft (51) is rotatable.

The operation rod forward movement holding portion 90 is rotated by the rotation of the operation rod 40 which is axially coupled so that the shaft can rotate with respect to the sound portion 80 after the movement of the operation rod 40 forward, 40 to move forward.

In order to allow the moving clamp 50 to be hinged to the front end of the axis 80, the axis 80 is formed on both sides of the front end in parallel with the extension 61, And a hinge coupling portion 81 of the hinge coupling portion 81. The hinge coupling portion 81 is fixed to each of the hinge coupling portions 81 and the moving shaft 51 of the moving clamp 50 is rotatably mounted on the moving shaft 51 And a hinge pin 82 which is inserted through the hinge pin 82.

The operating rod forward movement holding portion 90 is composed of a latch pin 91, an operating rod pull-in groove 92, and a latch pin latch groove 93.

The engaging pin 91 is coupled to the actuating rod 40 and is coupled to the through hole 21 in a perpendicular manner.

The operating rod inlet groove 92 is provided in the block 20 and communicates with the through hole 21 and is elongated forwardly along the pulling direction of the operating rod 40.

The engaging pin engaging groove 93 is provided in the block 20 and communicates with the through hole 21 and the operating rod inlet groove 92 and extends in a direction perpendicular to the forming direction of the through hole 21 And the engaging pin 91 is inserted and engaged by the rotation of the engaging pin 91 coupled to the actuating rod 40 when the actuating rod 40 rotates so that the actuating rod 40 is moved forward As shown in FIG.

The clamp according to the present invention having the above-described structure is configured such that the operating rod 40 is rotated while the operating rod 40 is pressed to engage the engaging pin 91 in the engaging pin engaging groove 93, Since the rod 40 is moved forward and the movable clamp, which is compressed by the spring, can be fixed, the movable clamp and the fixed clamp are maintained in the opened state, and the fixation of the component can be facilitated.

Preferably, the operating rod 40 is coupled with a tension adjusting nut 41 for adjusting the tension of the spring 70 in contact with the rear end of the spring 70.

The clamping force between the moving clamp 50 and the fixing clamp 30 can be adjusted by unscrewing and tightening the tension adjusting nut 41.

Hereinafter, the operation of the clamp of the present invention having the axis portion 80 and the operation rod front movement holding portion 90 will be described.

3 to 5 are views showing the operating state of the clamp according to the present invention. Fig. 3 is a view showing a state in which the movable clamp 50 is rotated away from the fixed clamp 30 by the forward movement of the actuating rod 40 FIG. 4 is a plan view showing a state in which the operating rod 40 moved forward in the state shown in FIG. 3 is maintained in a forwardly moved state, and FIG. 5 is a plan view showing a state in which the operating rod 40 is returned FIG. 7 is a longitudinal sectional view showing a state in which the clamp 50 is rotated in the home position toward the fixed clamp 30 to fix the fixture 1;

In the initial state, the other fixed portion 52 of the movable clamp 50 comes into contact with the fixed portion 31 on one side of the fixed clamp 30. This state is a state in which the fixture 2 is removed in Fig.

In this state, the operating rod 40 is pushed from the rear and moved forward. 3, when the actuating rod 40 is pushed forward from the rear, the engaging pin 91 provided on the actuating rod 40 is extended forwardly along the pulling direction of the actuating rod 40, And is moved along the operating rod inlet groove 92. At this time, the moving clamp 50 is guided by the inside 60 during the rotation, and is separated from the fixing clamp 30 and rotated (refer to FIG. 3).

"형상으로된 안내홈(63)에 상기 이동축(51)에 결합된 결합핀(62)이 결합되어, 상기 작동로드(40)가 전방으로의 이동시 상기 이동클램프(50)가 상기 고정클램프(30)로부터 이격되어 회동되게 된다.The operation of the interior 60 during the rotation of the moving clamp 50 will be described with reference to FIGS.

The engagement pin 62 coupled to the movement shaft 51 is engaged with the guide groove 63 in the shape of a circle so that when the operation rod 40 is moved forward, 30).

When the operating rod 40 is rotated in a state where the operating rod 40 is moved forward and the moving clamp 50 is rotated away from the stationary clamp 30, The engaging pin 91 engaged with the engaging pin engaging groove 93 is engaged with the engaging pin engaging groove 93 communicated with the operating rod engaging groove 92 . This state is a state in which the operating rod 40 is moved forward and the spring 70 is compressed.

In addition, the front end of the operating rod 40 is rotatably coupled to the rear end of the axis 80 so that the operating rod 40 is rotatable.

In this state, one side of the fixture to be fixed is placed in contact with the one fixing part 31 of the fixing clamp 30, and then, in the state of FIGS. 3 and 4, when the operation rod 40 is rotated in the opposite direction, The engaging pin 91 is released from the engaging pin engaging groove 93. In this case, since the operating rod 40 is moved forward and the spring 70 is in the compressed state, the operating rod 40 is retracted backward by the tension of the spring 70, The operating rod 40 is hinged to the moving shaft 51 of the moving clamp 50 while the shaft is axially coupled to the minus portion 80 and the shaft 80 is moved to the moving shaft 51 of the moving clamp 50. As a result, (50) is returned to the home position backward.

"형상으로된 안내홈(63)을 따라 상기 이동클램프(50)가 상기 고정클램프(30) 방향으로 원위치 회동되어 접하게 된다. 이때, 상기 이동클램프(50)의 타측고정부(52)가 원위치 회동되어 상기 고정클램프(30)의 일측고정부(31)와 접하게 된다(도 5 참조). 고정물의 일측은 상기 고정클램프(30)의 일측고정부(31)에 접하도록 위치한 상태이고, 상기 이동클램프(50)의 타측고정부(52)가 원위치 회동되어 상기 고정클램프(30)의 일측고정부(31)와 접하게 되므로, 결국, 고정물의 타측은 상기 이동클램프(50)의 타측고정부(52)에 접하게 되어 고정물의 일측 및 타측이 도 5에서와 같이 클램프에 의애 고정된 상태가 되는 것이다.When the movable clamp 50 is returned to its original position backward as the operating rod 40 is returned to the home position, the engaging pin 62 coupled to the moving shaft 51 is moved forward Formed on a pair of extending portions 61 extending from the "

The movable clamp 50 is rotated in the direction of the fixed clamp 30 in the direction of the guide groove 63. The other fixed portion 52 of the movable clamp 50 is rotated in the home position 5). One side of the fixture is positioned to contact one fixing part 31 of the fixed clamp 30, and the movable clamp 30 The other side of the fixture 52 is rotated in the home position and brought into contact with the one side fixture 31 of the fixture clamp 30 so that the other side of the fixture is fixed to the other side fixture 52 of the fixture clamp 50, So that one side and the other side of the fixture are fixed to the clamp as shown in Fig.

The actuating rod 40 is moved forward by pushing the other end of the actuating rod 40 and the actuating rod 40 is rotated so that the engaging pin 91 is engaged with the engaging pin engaging groove 93 And an operating handle 42 for releasing the engaging pin 91 from the engaging pin engaging groove 93 is provided.

The operating handle 42 may have various shapes such as a circular shape, a polygonal shape and a cross shape and is preferably larger than the diameter of the operating rod 40 so that the operating rod 40 can be pressed easily. Any of the forms in which the operating rod 40 can be rotated is possible.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

1: Bed 10: Bracket
20: Block 21: Through hole
30: Fixing clamp 31: One side fixing part
40: working rod 41: tension adjusting nut
42: operating handle 50: moving clamp
51: Moving shaft 52:
60: Inside during rotation 61: Extension
62: engaging pin 63: guide groove
63a: axial direction guide groove 63b: oblique direction guide groove
70: spring 80: axis
81: hinge coupling part 82: hinge pin
90: operation rod forward movement holding portion 91: engaging pin
92: Operation rod inlet groove 93: Jam catch pin groove

Claims (4)

delete A bracket 10 fixed on a bed 1 on which a clamp is to be installed;
(20) having one side fixed to the bracket (10) and having a through hole (21) penetrating in a direction toward a fixture to be fixed;
A fixed clamp (not shown) having one side fixing part 31 fixed to the upper part of the block 20 and fixed to one side of the fixing part to be fixed to the extended end of the block 20, (30);
An operating rod (40) coupled to the through hole (21) at the back of the block (20) and movable forward and rearward;
A moving shaft 51 hinged to the front end of the operating rod 40 in such a manner that the rear end of the moving rod 51 is pivotally connected to the front end of the operating rod 40, A moving clamp 50 provided on the upper surface of the fixing member and having another side fixing portion 52 for fixing the other side of the fixing member in contact with the other side surface of the fixing member to be fixed;
(60) during a turn to guide the movable clamp (50) to rotate away from the fixed clamp (30) when the actuating rod (40) is moved forward;
The working rod 40 is coupled to the operating rod 40 and has its rear end bulged at the rear portion of the operating rod 40 and its forward end bulged at the rear of the block 20, So that the other fixed portion 52 of the movable clamp 50 hinged to the operation rod 40 is brought into contact with the one fixed portion 31 of the fixed clamp 30 so as to be fixed And a spring (70)
During this rotation, the interior (60)
Extending portions 61 extending forward from both sides of the block 20,
An engaging pin 62 coupled to the moving shaft 51 and vertically coupled to each of the extending portions 61,
The movable clamp 50 is fixed to the stationary clamp 30 when the actuating rod 40 is moved forward, and the movable clamp 50 is fixed to the stationary clamp 30 when the actuating rod 40 is moved forward. So that the moving shaft 51, to which the engaging pin 62 is engaged, is rotated,

Shaped guide groove (63). A bracket 10 fixed on a bed 1 on which a clamp is to be installed;
(20) having one side fixed to the bracket (10) and having a through hole (21) penetrating in a direction toward a fixture to be fixed;
A fixed clamp (not shown) having one side fixing part 31 fixed to the upper part of the block 20 and fixed to one side of the fixing part to be fixed to the extended end of the block 20, (30);
An operating rod (40) coupled to the through hole (21) at the back of the block (20) and movable forward and rearward;
A moving shaft 51 hinged to the front end of the operating rod 40 in such a manner that the rear end of the moving rod 51 is pivotally connected to the front end of the operating rod 40, A moving clamp 50 provided on the upper surface of the fixing member and having another side fixing portion 52 for fixing the other side of the fixing member in contact with the other side surface of the fixing member to be fixed;
(60) during a turn to guide the movable clamp (50) to rotate away from the fixed clamp (30) when the actuating rod (40) is moved forward;
The working rod 40 is coupled to the operating rod 40 and has its rear end bulged at the rear portion of the operating rod 40 and its forward end bulged at the rear of the block 20, So that the other fixed portion 52 of the movable clamp 50 hinged to the operation rod 40 is brought into contact with the one fixed portion 31 of the fixed clamp 30 so as to be fixed And a spring (70)
And the front end of the operating rod 40 is connected to the moving shaft 51 of the moving clamp 50. The moving rod 50 is disposed between the operating rod 40 and the moving clamp 50, (80) hinged to a rear end of the moving shaft (51) so that the moving shaft (51) can rotate;
So that the operating rod 40 is moved forward by the rotation of the operating rod 40 which is axially coupled so that the shaft can rotate with respect to the swinging portion 80 after moving to the front side of the operating rod 40 Further comprising: an operating rod front movement holding portion (90) for holding the working rod. The method of claim 3,
The operation rod forward movement holding portion (90)
A latching pin 91 coupled to the actuating rod 40 and vertically coupled to the through hole 21,
A working rod inlet groove 92 provided in the block 20 and communicated with the through hole 21 and elongated forwardly,
And is formed in the block 20 so as to be elongated in a direction perpendicular to the forming direction of the through hole 21 and communicated with the through hole 21 and the operating rod inlet groove 92, The engaging pin 91 is inserted and engaged by the rotation of the engaging pin 91 coupled to the actuating rod 40 during rotation so that the engaging pin holding the state in which the actuating rod 40 is moved forward And a groove (93).

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