JPH0440854Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a jig set used by being attached to a clamp for holding an object.

[Prior Art] An L-shaped fixed arm with a plate-shaped rail portion and a fixing bar protruding perpendicularly from the rail portion, and a mounting hole at one end into which the rail portion of the fixed arm is slidably fitted. A movable arm is provided with a screw hole at the other end thereof, and a tightening male threaded rod is screwed into the screw hole of the movable arm, and a clamping portion provided at an appropriate position between the fixed arm and the male threaded rod. A clamp configured to clamp an object is used.

The clamp shown in FIGS. 5 to 8 is one example, and this clamp 30 includes a fixed arm 33, a movable arm 34, and a fixed bar 31 and a straight rail portion 32 integrally provided in an L shape. and a tightening male threaded rod 35. Each of these members will be explained below.

The fixing bar 31 of the fixing arm 33 has a concave portion 37 having an I-shaped cross section formed in the middle portion, and a lower end portion of the tip portion which is widened like a brim and has a flat pressing surface 38a. A clamping portion 38 is formed. The rail portion 32 is formed of an elongated plate material with grooves 40 provided along the entire length on both sides of the central portion, and continuous sawtooth notches 42 are provided on both front and rear end surfaces 41, 41'. There is. Rail part 3
A locking portion 34 for preventing the movable arm 34 from falling off is provided at the lower end of the movable arm 2 .

Like the fixed bar 31, the movable arm 34 also has a recess 45 in the middle, and has mounting holes 46 for loosely fitting the rail portion and screw holes 47 for tightening at both ends. The mounting hole 46 is formed as a hole slightly larger than the outer diameter of the rail portion 32, so that the movable arm 34 can freely slide relative to the rail portion 32. A groove-shaped recess 48 is provided in the center of the mounting hole 46 along its inner wall. Furthermore, a screw hole 49 is provided in the vertical direction at an upper position on the back side of the peripheral edge of the attachment hole 46, and this screw hole 49 partially communicates with the attachment hole 46. A screw 50 is screwed into the screw hole 49.
0 does not have a head larger in diameter than the threaded portion, and in the illustrated example, a hexagon socket head bolt is used. In the screwed state, the threaded surface of the screw 50 is partially exposed within the mounting hole 46. Note that these screw holes and screws may be provided at the lower front surface of the mounting hole 46.

The male threaded rod 35 has a wooden grip 53 fixed to the rear end of a threaded member 52 having a threaded portion 52a that is threaded into the threaded hole 47 of the movable arm 34.
A pressing member 5 as a clamping part on the male threaded rod side is provided at the tip end.
4 is installed. The pressing member 54 is a flange-shaped portion 54
The front surface of a is a smooth pressing surface 54b. The head 55 of the screw member 52 is spherical and is loosely fitted into the mounting recess 54c of the pressing member 54, so that the pressing member 54 can be rotated in any direction with respect to the axial direction of the male threaded rod 35. It is designed to be able to tilt.

When clamping the object M with the clamp 30, the movable arm 34 is moved upward along the rail section 32, and the object M is clamped between the clamping section 38 of the fixed bar 31 and the pressing member 54. Rail part 3
2 is loosely fitted into the mounting hole 46, and a slight gap is provided between the two, so that the movable arm 34 can be freely and quickly moved along the rail portion 32. When the male threaded rod 35 is turned in the forward direction after the pressing member 54 contacts the object M, the clamping portion 38
The object M is clamped between the pressing member 54 and the pressing member 54,
At this time, the movable arm 34 is tilted in the direction of the arrow X in FIG.
Since the front end surface 41 and rear end surface 41' of the rail section 32 are in close contact with the upper part of the back side (indicated by B), the movable arm 34 is fixed to the fixed arm 33, and the object M is securely held. .

[Problems to be solved by the invention] The above-mentioned clamp is designed to directly clamp an object with the mutually opposing clamping parts of the fixed arm and the movable arm. Although it is suitable for fixing simple plates and squares whose surfaces are approximately parallel, there is a problem in that it cannot be used when the surface of the object to be held has an angle.

[Means for solving the problems] The present invention was made to solve the above problems,
A clamp jig set constructed as follows is provided.

That is, the jig set according to the present invention includes a fixed arm and a movable arm that moves relative to the fixed arm, and is used by being attached to a clamp that holds an object between the holding parts provided on both arms. A fixing jig which is equipped with an engaging part having a spherical contact surface and can be attached to a holding part on the fixed arm side or the movable arm side of the clamp, and a spherical surface of the engaging part of the fixing jig. It consists of a combination of an engaging part having a spherical contact surface that makes surface contact with the spherical contact surface, and a pressing jig that is provided integrally with the engaging part and has a pressing part for clamping an object to be held.

[Function] The engaging part of the pressing jig is engaged with the engaging part of the fixing jig attached to the clamping part of the fixed arm or the movable arm, and the pressing part of the pressing jig is not covered by the object to be clamped. Bring it into contact with the clamping surface. When the clamp is tightened in this state, the pressing part of the pressing jig is inclined in the direction of clamping the object and is pressed against the clamped surface of the object.

Since the engagement portion of the fixing jig and the engagement of the pressing jig are formed into spherical shapes in which their contact surfaces are in contact with each other, the mutual angle between the two can be changed arbitrarily.

[Embodiment] FIGS. 1 to 4 show an embodiment of a jig set according to the present invention, and this jig set consists of a combination of a fixing jig 1 and a pressing jig 2.

The fixing jig 1 is used by joining a pair of symmetrical members 3A and 3B with a connecting tool, and has an engagement recess 5 formed at the top so that a part of the outer peripheral surface of the sphere S comes into close contact with the fixing jig 1. and a head 6 whose lower part bulges in the circumferential direction, a male threaded rod fitting hole 8 with a circular cross section and opening at the lower end surface, and mounting parts 10, 10 are provided at the lower part. It consists of a body part 9. Openings 11, 11 that open into the male threaded rod fitting hole 8 are provided on the left and right side surfaces of the upper part of the body, and a flat plate-shaped notch 12a in the left and right direction at the bottom of the head 6 and a disc-shaped notch in the center thereof. A clamping part holding notch 12 consisting of a notch part 12b is provided. A stepped portion 12c is provided at the inner lower portion of this notch 12. The upper part of the male threaded rod fitting hole 8 is a pressing member fitting part 8 whose diameter slightly increases in a tapered shape toward the upper position.
a, around which protrusions 13 protrude into the opening 11. The third connector is
Bolts 14 and nuts 15 as shown in the figures and FIG. A hexagonal recess 17 into which the portion 14a fits and a bolt insertion hole 18 that is bored from the bottom of the recess 17 and passes through both members 3A and 3B are provided. Fit the nut 15 into the recess 17 of one member (for example, 3A), and then insert the bolt 14 from the recess 17 of the other member (for example, 3B).
The two members are joined by inserting the bolt 14 and screwing the bolt and nut together, but the nut 14 may be fixed in advance in the recess of one member.

The pressing jig 2 includes an engaging convex portion 22 integrally provided in the center of the upper surface of a plate-shaped substrate 20 and having a spherical outer surface and a through hole 21 perpendicular to the longitudinal direction of the substrate 20. The spherical surface of the engagement protrusion 22 has the same diameter as the spherical body S forming the engagement recess 5 of the fixing jig 1. Further, a synthetic resin pressing portion 24 is attached to the bottom surface of the substrate 20, and the lower surface 24a of the pressing portion 24 is formed as a groove-shaped concave curved surface along the longitudinal direction.

In this jig set, the fixing jig 1 is attached to the clamping part 38 of the fixing arm 33 of the clamp, the pressing member 54, or both, depending on the object to be clamped. First, to explain how to attach it to the clamping part 38, as shown in FIG.
A fixed arm 31 is attached to the opening 11 of both members 3A and 3B.
At the same time, the clamping part 38 is fitted into the clamping part holding notches 12, 12, and both members 3A, 3B are joined by a connecting tool. The clamping portion 38 fits into the notches 12, 12, and the protrusions 13, 13
Since the distal end portion of the fixed arm is clamped, the fixing jig 1 is securely fixed to the fixed arm 31. Next, to explain the attachment to the pressing member 54, as shown in FIG. 12, 12 to join both members 3A, 3B. In this case, the clamping portion 54a of the pressing member 54 fits into the disc-shaped notches 12b, and the base of the pressing member fits into the pressing member fitting portion 8a, thereby ensuring secure holding. be done.

Next, how to use this jig set will be explained based on a specific example.

FIG. 11 shows a case where a bar 61 is diagonally butted against the side surface of a bar 60 and fixed. Clamp 30
Fixing jigs 1A and 1B are attached to both the fixed arm 33 and the pressing member 54, and the pressing jig 2A is fixed in advance to a suitable position on the bar 61 with a suitable fixture such as a small clamp 62. Then, the pressing jig 2B is applied to the side opposite to the joining surface 63 of the bar 60, and the engaging concave portions 5, Tighten the clamp 30 so that 5 is engaged. Fixing jig 1
Since A, B and the pressing jigs 2A, B are engaged with each other through their respective engagement recesses 5 and engagement protrusions 22, they will not come off. In addition, these engaging recesses 5
Since the spherical contact surfaces of the engaging convex portion 22 and the engaging convex portion 22 have the same radius and are in surface contact with each other, even if the orientation and angle of the bar 61 with respect to the bar 60 are different, they can be suitably adapted.

FIG. 12 shows a case in which two bars 65, 66 and an intermediate member 67 whose end surfaces are cut diagonally are fixed in a connected state with their end surfaces butted against each other. The method of operation is the same as in the case of FIG. However, the pressing jigs 2A and 2B are both fixed to the bars 65 and 66 in advance by small clamps 62 and 62.

FIG. 13 shows a case where a bar 71 is diagonally abutted against and fixed to the end side surface of the bar 70. In this case, the fixing jig 1 is attached only to the pressing member 54 of the clamp, and the pressing member 5 that engages with this fixing member 1 and the clamping part 38 of the clamp are connected to the bars 70, 71.
It has come to be held in place.

In the above embodiment, the engaging part of the fixing jig is the engaging recess 5 and the engaging part of the pressing jig is the engaging convex part 22, but contrary to this example, the engaging part of the fixing jig is the engaging convex part 22. may be formed into a convex shape, and the engaging portion of the pressing jig may be formed into a concave shape. In other words, the engaging portions of both jigs may be brought into surface contact and engaged with each other with contact surfaces having the same diameter.

[Effects of the invention] As is clear from the above explanation, the jig set according to the invention can be used by easily attaching it to a known clamp, and by using it, It has become possible to easily clamp and fix objects that have angled clamping surfaces.

[Brief explanation of the drawing]

Figures 1 to 4 show one embodiment of the jig set according to the present invention, and Figures 1a, b, c, and d are front views, side views, rear views, and Plan view, Figure 2 a, b, and c are the front view, top view, and side view of the pressing jig, Figure 3 a, b are the front view and side view of the bolt, and Figure 4 a, b is the front view of the nut. FIG. 3 is a diagram and a side view. 5 to 8 show a known clamp, FIG. 5 is an overall view, FIG. 6 is a Y-Y cross-sectional view, and FIG. 7 is a Z-Z cross-sectional view.
8 is a sectional view of the pressing member. Furthermore, FIGS. 9 and 10 are explanatory diagrams showing how the fixing jig is attached to the clamp, and FIGS. 11 to 1
FIG. 3 is an explanatory diagram showing how the jig set is used. DESCRIPTION OF SYMBOLS 1... Fixing jig, 2... Pressing jig, 5... Engaging recess, 22... Engaging protrusion, 24... Pressing part, 30
... Clamp, 33 ... Fixed arm, 34 ... Movable arm, 35 ... Male threaded rod, 38 ... Clamping part,
46... Mounting hole, 47... Screw hole, 54... Pressing member (clamping part).

Claims (1)

[Scope of utility model registration request] A jig set that includes a fixed arm and a movable arm that moves relative to the fixed arm, and is used by being attached to a clamp that clamps an object between the clamping parts provided on both arms, and has a spherical contact surface. a fixing jig that is equipped with an engaging part having an engaging part and can be attached to a holding part on the fixed arm side or the movable arm side of the clamp; and a spherical contact surface that makes surface contact with the spherical contact surface of the engaging part of the fixing jig. A jig set comprising a combination of an engaging part having an engaging part and a pressing jig having a pressing part integrally provided with the engaging part for clamping an object to be held.