JP2023146740A - Fixture - Google Patents

Abstract

To provide a fixture capable of strengthening fixing.SOLUTION: A fixture 3 includes a body 4, a shaft 5, a pressing member 6, an operation body 7, a pin 8, an auxiliary member 9, and an elastic member 10. The body 4 has a storage hole 4b in which the shaft 5 is stored, and a cam groove 11. The operation body 7 is turnable around an axis of the storage hole 4b. The pin 8 turns around the axis of the storage hole 4b together with the operation body 7, and is guided by the cam groove 11 to be moved in an axial direction 4x of the storage hole 4b. The auxiliary member 9 is moved in the axial direction 4x together with the pin 8. The elastic member 10 elastically energizes the shaft 5 to a distal end 4a side of the body 4 with respect to the auxiliary member 9. When the operation body 7 is at a clamp position, the pin 8 is positioned closer to the distal end 4a of the body 4 together with the auxiliary member 9, and energizing force by elasticity of the elastic member 10 acts on the pressing member 6 via an action surface 5b of the shaft 5, and the pressing member 6 presses a pressed surface 1b of an attachment hole 1a of a first fixing member 1.SELECTED DRAWING: Figure 9- 2

Description

The present invention relates to a fixture for removably fixing two fixing members to each other.

Conventionally, there has been a connecting device for connecting an attaching member and an attached member (for example, see Patent Document 1). As shown in FIG. 21, this coupling device 23 included a main body 24, a shaft 25, a knob 26, a pin 27, a spherical pressing member 28, and an elastic member 29. The main body 24 had a hole 24a penetrating vertically, and a guide portion 24b on which the pin 27 was placed at the upper end. A horizontal hole 24c was formed in the lower end of the main body 24, and a pressing member 28 was inserted and held in the horizontal hole 24c. The shaft 25 was accommodated in the hole 24a of the main body 24, a knob 26 was fixed to the upper end, and a pin 27 was laterally disposed through the upper end. The shaft 25 was provided at its lower end with an operating surface 25a whose diameter decreases downward. The elastic member 29 is compressed and inserted between a retaining ring 30 fixed to the inner peripheral surface of the hole 24a of the main body 24 and a spring receiver 25b formed protrudingly at an intermediate position of the shaft 25, and is inserted downwardly on the shaft 25. energized.

This coupling device 23 was disposed on the side of the attached member 22, and the lower end side of the main body 24 was inserted into the attached hole 22a of the attached member 22 and the attachment hole 21a of the attachment member 21. Therefore, when the knob 26 is rotated from the release position (see FIG. 21(a)) to the connected position (see FIG. 21(b)), the pin 27 is guided by the guide portion 24b and is moved downward together with the shaft 25. Moved to. Then, as the shaft 25 moved downward, the pressing member 28 was pushed by the working surface 25a of the shaft 25, and pressed against the tapered surface 21b provided on the inner circumferential surface of the attachment hole 21a. In this way, the pressing member 28 of the coupling device 23 disposed on the side of the attached member 22 presses the tapered surface 21b of the attachment member 21, so that the attached member 22 is fixed to the attachment member 21. The mounting member 22 was connected.

Japanese Patent Application Publication No. 2015-218814

By the way, in the conventional coupling device 23, when the shaft 25 moves downward, the elastic member 29 that biases the shaft 25 stretches. The pressing member 28 pressed against the tapered surface 21b of the mounting member 21 presses the tapered surface 21b of the mounting member 21. For this reason, the attachment member 22 cannot be firmly fixed to the attachment member 21, and the situations in which this coupling device 23 is used are limited.

This invention was made to solve the above-mentioned conventional drawbacks, and its purpose is to provide a fixture that can be firmly fixed.

In order to achieve the above object, the fixture according to the present invention has the following configuration. That is,
The fixing device according to the invention according to claim 1 is arranged on the second fixing member side in order to removably fix the first fixing member having the attachment hole and the second fixing member having the through hole to each other. It is a fixing device. This fixture includes a main body whose distal end passes through the through hole and is inserted into the attachment hole, a shaft, a spherical pressing member, an operating body, a pin, an auxiliary member, and an elastic member. Here, the main body includes a housing hole that extends to the distal end side thereof, and a cam groove that extends along a peripheral wall forming the housing hole and guides the pin. The shaft is located within the accommodation hole, the axis of the shaft faces in the same direction as the axis of the accommodation hole, and is movable in the axial direction of the accommodation hole. Further, the shaft has a working surface on the distal end side. The pressing member is held on the distal end side of the main body between the inner circumferential surface of the mounting hole and the distal end side of the shaft at a position facing the pressed surface on the inner circumferential surface of the mounting hole. A holding hole is provided through which the pressing member is passed, so that the pressing member can pass therethrough. The operating body is rotatable around the axis of the accommodation hole, and is moved between an unclamping position and a clamping position by being rotated. The pin is provided to engage with the cam groove. The pin rotates together with the operating body around the axis of the accommodation hole, and is guided by the cam groove to move in the axial direction of the accommodation hole. The auxiliary member moves in the axial direction of the receiving hole together with the pin. The elastic member elastically urges the shaft toward the distal end side of the main body with respect to the auxiliary member.

Therefore, when the operating body is in the unclamping position, the pin guided by the cam groove is located on the side far from the tip of the main body together with the auxiliary member, and the hook provided on the shaft is , the shaft is hung on the hanging part provided on the auxiliary member or on the pin, and is in a pulled up position away from the tip of the main body, and is in a position between the working surface and the pressed surface. The pressing member is movable away from the pressed surface, and the distal end side of the main body can be inserted into and removed from the attachment hole. When the operating body is in the clamp position, the pin guided by the cam groove is located on the side near the tip of the main body together with the auxiliary member, and the hook part of the shaft is in the auxiliary member. The member is separated from the applied portion or the pin, and a biasing force due to the elasticity of the elastic member acts on the pressing member via the action surface of the shaft, and the pressing member presses the pressed surface. .

According to this fixture, the fixture is arranged on the second fixture side. Therefore, with the operating body of the fixture in the unclamp position, the distal end side of the main body is passed through the through hole of the second fixture and inserted into the attachment hole of the first fixture. At this time, the pin, together with the auxiliary member, is located on the side far from the tip of the main body, and the hanging part of the shaft is hung on the hanging part of the auxiliary member or the pin, and the shaft is moved by the auxiliary member or pin. It is in a position where it is pulled up on the side far from the tip. Thereafter, when the operating body is rotated from the unclamping position to the clamping position, the pin rotates together with the operating body, and is guided by a cam groove provided in the main body to move toward the side closer to the tip of the main body. Then, the auxiliary member also moves together with the pin to the side closer to the tip of the main body. At this time, the shaft moves to the side closer to the tip of the main body together with the pin and the auxiliary member, with the hanging part of the shaft being hung on the hanging part of the auxiliary member or the pin. Due to this movement of the shaft, the pressing member is pushed by the working surface of the shaft and moves within the holding hole until it hits the pressed surface of the attachment hole. After the pressing member hits the pressed surface, the shaft stops moving, and only the pin and auxiliary member move toward the tip of the main body, so that the hanging part of the shaft touches the hanging part of the auxiliary member. Or move away from the pin. Therefore, the biasing force due to the elasticity of the elastic member acts on the pressing member through the working surface of the shaft, and the pressing member presses the pressed surface of the attachment hole. In this way, the pressing member of the fixture arranged on the second fixture side presses the pressed surface of the mounting hole of the first fixture, so that the first fixture and the second fixture are fixed to each other. Ru. Furthermore, when the pressing member presses the pressed surface, the shaft stops and the auxiliary member moves closer to the tip of the main body, so the biasing force of the elastic member increases, and the first fixing member The fixation between the second fixing member and the second fixing member becomes strong.

Further, in the fixing device according to the invention described in claim 2, in order to removably fix the first fixing member having the mounting hole and the second fixing member having the through hole to each other, It is a fixture to be placed. This fixture includes a main body whose distal end passes through the through hole and is inserted into the attachment hole, a shaft, a spherical pressing member, an operating body, a pin, an auxiliary member, and an elastic member. Here, the main body has an accommodation hole extending to the distal end thereof, and a guide groove extending laterally around the axis of the accommodation hole on a peripheral wall forming the accommodation hole and guiding the pin in the lateral direction. Equipped with. The shaft is located within the accommodation hole, the axis of the shaft faces in the same direction as the axis of the accommodation hole, and is movable in the axial direction of the accommodation hole. Further, the shaft has a working surface on the distal end side. The pressing member is held on the distal end side of the main body between the inner circumferential surface of the mounting hole and the distal end side of the shaft at a position facing the pressed surface on the inner circumferential surface of the mounting hole. A holding hole is provided through which the pressing member is passed, so that the pressing member can pass therethrough. The operating body is rotatable around the axis of the accommodation hole, and is moved between an unclamping position and a clamping position by being rotated. The pin is provided to engage with a cam groove formed in the auxiliary member. The pin rotates around the axis of the accommodation hole together with the operating body while being guided by the guide groove. The auxiliary member cannot rotate about the axis of the accommodation hole, but is movable in the axial direction of the accommodation hole. The elastic member elastically urges the shaft toward the distal end side of the main body with respect to the auxiliary member.

Therefore, when the operating body is in the unclamping position, the auxiliary member provided with the cam groove guided by the pin is located on the side far from the tip of the main body, and the hook part provided on the shaft is hung on a hanging portion provided on the auxiliary member, and the shaft is in a pulled up position away from the tip of the main body, and the shaft is placed between the working surface and the pressed surface. The pressing member is movable away from the pressed surface, and the distal end side of the main body can be inserted into and removed from the attachment hole. When the operating body is in the clamp position, the auxiliary member including the cam groove guided by the pin is located on the side closer to the tip of the main body, and the hanging portion of the shaft is The auxiliary member is separated from the applied portion, and a biasing force due to the elasticity of the elastic member acts on the pressing member via the action surface of the shaft, and the pressing member presses the pressed surface.

According to this fixture, the fixture is arranged on the second fixture side. Therefore, with the operating body of the fixture in the unclamp position, the distal end side of the main body is passed through the through hole of the second fixture and inserted into the attachment hole of the first fixture. At this time, the auxiliary member is located on the side far from the tip of the main body, the hanging part of the shaft is hung on the hooked part of the auxiliary member, and the shaft is pulled up by the auxiliary member to the side far from the tip of the main body. It is in the position where it was placed. Thereafter, when the operating body is rotated from the unclamping position to the clamping position, the pin is guided by a guide groove provided in the main body and rotates together with the operating body. As the pin rotates, the auxiliary member in which the cam groove that the pin engages is formed is guided by the pin and moves toward the side closer to the tip of the main body. At this time, the shaft moves to the side closer to the tip of the main body together with the auxiliary member, with the hanging part of the shaft being hung on the hanging part of the auxiliary member. Due to this movement of the shaft, the pressing member is pushed by the working surface of the shaft and moves within the holding hole until it hits the pressed surface of the attachment hole. After the pressing member hits the pressed surface, the shaft stops moving, and only the auxiliary member moves toward the tip of the main body, thereby causing the hanging part of the shaft to separate from the hanging part of the auxiliary member. . Therefore, the biasing force due to the elasticity of the elastic member acts on the pressing member through the working surface of the shaft, and the pressing member presses the pressed surface of the attachment hole. In this way, the pressing member of the fixture arranged on the second fixture side presses the pressed surface of the mounting hole of the first fixture, so that the first fixture and the second fixture are fixed to each other. Ru. Furthermore, when the pressing member presses the pressed surface, the shaft stops and the auxiliary member moves closer to the tip of the main body, so the biasing force of the elastic member increases, and the first fixing member The fixation between the second fixing member and the second fixing member becomes strong.

Further, in the fixing device according to the invention described in claim 3, in order to removably fix the first fixing member having the attachment hole and the second fixing member having the through hole to each other, It is a fixture to be placed. This fixture includes a main body whose distal end passes through the through hole and is inserted into the attachment hole, a shaft, a spherical pressing member, an operating body, a pin, an auxiliary member, and an elastic member. Here, the main body includes a housing hole that extends to the distal end side of the main body. The shaft is located within the accommodation hole, the axis of the shaft faces in the same direction as the axis of the accommodation hole, and is movable in the axial direction of the accommodation hole. Further, the shaft has a working surface on the distal end side. The pressing member is held on the distal end side of the main body between the inner circumferential surface of the mounting hole and the distal end side of the shaft at a position facing the pressed surface on the inner circumferential surface of the mounting hole. A holding hole is provided through which the pressing member is passed, so that the pressing member can pass therethrough. The operating body is rotatable around the axis of the accommodation hole, and is moved between an unclamping position and a clamping position by being rotated. The pin is not rotatable around the axis of the accommodation hole, is immovable in the axial direction of the accommodation hole, and is provided to engage with a cam groove formed in the auxiliary member. . The auxiliary member is rotatable around the axis of the housing hole and movable in the axial direction of the housing hole, and is rotatable around the axis of the housing hole together with the operating body. move. The elastic member elastically urges the shaft toward the distal end side of the main body with respect to the auxiliary member.

Therefore, when the operating body is in the unclamping position, the auxiliary member provided with the cam groove guided by the pin is located on the side far from the tip of the main body, and the hook part provided on the shaft is hung on a hanging portion provided on the auxiliary member, and the shaft is in a pulled up position away from the tip of the main body, and the shaft is placed between the working surface and the pressed surface. The pressing member is movable away from the pressed surface, and the distal end side of the main body can be inserted into and removed from the attachment hole. When the operating body is in the clamp position, the auxiliary member including the cam groove guided by the pin is located on the side closer to the tip of the main body, and the hanging portion of the shaft is The auxiliary member is separated from the applied portion, and a biasing force due to the elasticity of the elastic member acts on the pressing member via the action surface of the shaft, and the pressing member presses the pressed surface.

According to this fixture, the fixture is arranged on the second fixture side. Therefore, with the operating body of the fixture in the unclamp position, the distal end side of the main body is passed through the through hole of the second fixture and inserted into the attachment hole of the first fixture. At this time, the auxiliary member is located on the side far from the tip of the main body, the hanging part of the shaft is hung on the hooked part of the auxiliary member, and the shaft is pulled up by the auxiliary member to the side far from the tip of the main body. It is in the position where it was placed. Thereafter, when the operating body is rotated from the unclamping position to the clamping position, the auxiliary member in which the cam groove that the pin engages is formed rotates together with the operating body, and is guided by the pin and attached to the tip of the main body. Move to the closer side. At this time, the shaft moves to the side closer to the tip of the main body together with the auxiliary member, with the hanging part of the shaft being hung on the hanging part of the auxiliary member. Due to this movement of the shaft, the pressing member is pushed by the working surface of the shaft and moves within the holding hole until it hits the pressed surface of the attachment hole. After the pressing member hits the pressed surface, the shaft stops moving, and only the auxiliary member moves toward the tip of the main body, thereby causing the hanging part of the shaft to separate from the hanging part of the auxiliary member. . Therefore, the biasing force due to the elasticity of the elastic member acts on the pressing member through the working surface of the shaft, and the pressing member presses the pressed surface of the attachment hole. In this way, the pressing member of the fixture arranged on the second fixture side presses the pressed surface of the mounting hole of the first fixture, so that the first fixture and the second fixture are fixed to each other. Ru. Furthermore, when the pressing member presses the pressed surface, the shaft stops and the auxiliary member moves closer to the tip of the main body, so the biasing force of the elastic member increases, and the first fixing member The fixation between the second fixing member and the second fixing member becomes strong.

Moreover, the fixture according to the invention set forth in claim 4 is the fixture set forth in any one of claims 1 to 3, including a second elastic member. The second elastic member elastically biases the auxiliary member toward the main body on a side opposite to the distal end side of the main body. This second elastic member makes it possible to hold the shaft in the raised position and maintain the operating body in the unclamped position.

Further, in the fixture according to the invention set forth in claim 5, in the fixture set forth in any one of claims 1 to 4, the cam groove is arranged in a lateral direction around the axis of the accommodation hole. The device includes an inclined groove that slopes, and a lateral groove that follows the inclined groove and faces in the lateral direction. Therefore, when the operating body is in the unclamping position, the pin is located at one end of the cam groove on the inclined groove side, and when the operating body is in the clamping position, the pin is located at the other end of the cam groove, which is the end on the lateral groove side.

Further, in the fixture according to the invention set forth in claim 6, in the fixture set forth in claim 5, the other end of the cam groove, which is the end on the side of the lateral groove, has an axial center of the accommodation hole. A recess is provided on a side of one end of the cam groove in the direction, and the pin engages with the recess when the operating body is in the clamp position.

Further, in the fixture according to the invention set forth in claim 7, in the fixture set forth in claim 5 or 6, the inclined groove is located at one end side of the cam groove and has a relatively steep slope. The cam groove includes a first inclined groove and a second inclined groove which is located on the other end side of the cam groove and has a relatively gentle slope. By providing the first inclined groove and the second inclined groove with different inclinations in the cam groove, the operating body can be quickly and easily rotated between the unclamping position and the clamping position. .

Moreover, the fixture according to the invention set forth in claim 8 is the fixture set forth in any one of claims 1 to 7, including a second main body disposed on the second fixture side. The second body includes a through hole through which the body passes. The axis of the through hole faces in the same direction as the axis of the accommodation hole. Therefore, the main body is not rotatable about the axis of the through hole with respect to the second main body, and is movable in the axial direction of the through hole. It moves to a protruding position where it protrudes from the through hole and is inserted into the attachment hole, and to a hidden position where the distal end side is hidden in the through hole. The main body includes a first regulated surface facing the distal end side of the main body, and the second main body includes a first regulated surface facing the first regulated surface, so that the main body is in the protruding position. When the first restricted surface is in contact with the first restricted surface, further protrusion of the main body is restricted. The main body includes a second regulated surface facing opposite to the distal end side of the main body, and the second main body includes a second regulated surface facing the second regulated surface, and the second main body includes a second regulated surface facing the second regulated surface. When the main body is in the hidden position, the second restricted surface contacts the second restricted surface, and further retraction of the main body is restricted.

According to the fixture according to the present invention, by increasing the biasing force of the elastic member acting on the shaft, it is possible to strengthen the fixation between the first fixing member and the second fixing member.

FIG. 1 is an overall cross-sectional view of a first embodiment of the invention. Similarly, it is a perspective view of a fixture. Similarly, it is an exploded perspective view of a fixture. Similarly, it is an exploded perspective view of an auxiliary member and a shaft. Similarly, it is a sectional view of the main body. Similarly, it is an enlarged development view of the cam groove. Similarly, the operation body is shown when it is in the unclamp position, (a) is a plan view, and (b) is a perspective view with the operation body removed. Similarly, it is a sectional view taken along line AA in FIG. 7-1(a). Similarly, the operating body is shown in a position halfway between the unclamping position and the clamping position, where (a) is a plan view and (b) is a perspective view with the operating body removed. Similarly, it is a sectional view taken along line BB in FIG. 8-1(a). Similarly, the operation body is shown when it is in the clamp position, (a) is a plan view, and (b) is a perspective view with the operation body removed. Similarly, it is a sectional view taken along the line CC in FIG. 9-1(a). FIG. 7 is an exploded perspective view of a fixture according to a second embodiment of the invention. Similarly, it is a sectional view when the operating body is in the unclamped position. Similarly, it is a sectional view when the operating body is in the clamp position. It is an exploded perspective view of the fixture of a third embodiment of this invention. Similarly, it is a sectional view when the operating body is in the unclamped position. Similarly, it is a sectional view when the operating body is in the clamp position. It is an exploded perspective view of the fixture of a fourth embodiment of this invention. Similarly, it is a sectional view when the main body is in the hidden position and the operating body is in the unclamped position. Similarly, it is a sectional view when the main body is in the protruding position and the operating body is in the unclamping position. Similarly, it is a sectional view when the main body is in the protruding position and the operating body is in the clamping position. FIG. 7 is a cross-sectional view of another embodiment of the present invention when the operating body is in the clamp position. A conventional coupling device is shown, in which (a) is a sectional view when the knob is in the release position, and (b) is a sectional view when the knob is in the coupled position.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be explained based on the drawings.

1 to 9-2 show a first embodiment of the present invention. Reference numeral 1 in the figure indicates a first fixing member having a mounting hole 1a. 2 indicates a second fixing member having a through hole 2a. 3 indicates a fixture, and this fixture 3 is disposed on the second fixture 2 side in order to removably fix the first fixture 1 and the second fixture 2 to each other.

The fixture 3 includes a main body 4, a shaft 5, a spherical pressing member 6, an operating body 7, a pin 8, an auxiliary member 9, and an elastic member 10. The main body 4 is inserted into the attachment hole 1a of the first fixing member 1 with the tip 4a side (lower end side in the illustrated embodiment) passing through the through hole 2a of the second fixing member 2. The main body 4 includes a housing hole 4b extending to the tip 4a side thereof, and a cam groove 11 extending along a peripheral wall forming the housing hole 4b and guiding the pin 8.

The shaft 5 is located within the accommodation hole 4b of the main body 4, the axis of the shaft 5 faces in the same direction as the axis of the accommodation hole 4b, and is movable in the axial direction 4x of the accommodation hole 4b. The shaft 5 has an operating surface 5b (specifically, an operating surface 5b that is inclined to become thinner toward the distal end 5a) on the distal end 5a side (lower end side in the illustrated embodiment). Therefore, on the tip 4a side of the main body 4, the pressing member 6 is placed between the inner circumferential surface of the attachment hole 1a of the first fixing member 1 and the tip 5a side of the shaft 5. A holding hole 4c through which the pressing member 6 passes is provided so that it can be held in a position facing the pressed surface 1b. This holding hole 4c extends in a direction perpendicular to the axial direction 4x of the accommodation hole 4b (specifically, in the radial direction of the accommodation hole 4b).

The operating body 7 is rotatable around the axis of the accommodation hole 4b, and is moved between an unclamping position and a clamping position by being rotated.

The pin 8 extends in a direction perpendicular to the axial direction 4x of the accommodation hole 4b (specifically, in the radial direction of the accommodation hole 4b) and crosses the accommodation hole 4b. The pin 8 is provided to engage with the cam groove 11. This pin 8 rotates together with the operating body 7 around the axis of the accommodation hole 4b, and is guided by the cam groove 11 to move in the axial direction 4x of the accommodation hole 4b.

The auxiliary member 9 moves in the axial direction 4x of the accommodation hole 4b together with the pin 8 (in the illustrated embodiment, it moves in the axial direction 4x of the accommodation hole 4b and around the axis of the accommodation hole 4b. (rotate).

The elastic member 10 elastically biases the shaft 5 against the auxiliary member 9 toward the distal end 5a side of the shaft 5, which is the distal end 4a side of the main body 4.

Therefore, as shown in FIGS. 7-1 and 7-2, when the operating body 7 is in the unclamp position, the pin 8 guided by the cam groove 11 is far away from the tip 4a of the main body 4 together with the auxiliary member 9. The hanging part 5c located on the side and provided on the shaft 5 is the hanging part 9a provided on the auxiliary member 9 or the pin 8 (in the illustrated embodiment, the hanging part 9a provided on the auxiliary member 9). The shaft 5 is in a pulled up position away from the tip 4a of the main body 4. At this time, between the working surface 5b of the shaft 5 and the pressed surface 1b of the mounting hole 1a, the pressing member 6 becomes movable to the side away from the pressed surface 1b, and the distal end 4a side of the main body 4 is mounted. It can be inserted into and removed from the hole 1a.

Here, as shown in FIGS. 8-1 and 8-2, when the operating body 7 is rotated from the unclamping position toward the clamping position (in the illustrated embodiment, it is rotated clockwise). The pin 8 rotates together with the operating body 7 around the axis of the accommodation hole 4b, and is guided by the cam groove 11 to move toward the side closer to the tip 4a of the main body 4. As the pin 8 moves, the auxiliary member 9 moves together with the pin 8 to the side closer to the tip 4a of the main body 4, and the shaft 5 also moves to the side closer to the tip 4a of the main body 4. Due to this movement of the shaft 5, the pressing member 6 is pushed by the working surface 5b of the shaft 5, moves toward the inner peripheral surface of the attachment hole 1a, and comes into contact with the pressed surface 1b.

As shown in FIGS. 9-1 and 9-2, when the operating body 7 is in the clamp position, the pin 8 guided by the cam groove 11 is moved along with the auxiliary member 9 to the side near the tip 4a of the main body 4. , the hanging part 5c of the shaft 5 is separated from the hanging part 9a of the auxiliary member 9 or the pin 8 (in the illustrated embodiment, the hanging part 9a of the auxiliary member 9), and the hanging part 5c of the shaft 5 is attached by the elasticity of the elastic member 10. The force acts on the pressing member 6 through the working surface 5b of the shaft 5, and the pressing member 6 presses the pressed surface 1b of the attachment hole 1a.

The fixture 3 also includes a second elastic member 12 . The second elastic member 12 elastically biases the auxiliary member 9 toward the main body 4 on the side opposite to the tip 4a of the main body 4 (in the illustrated embodiment, upward). The second elastic member 12 is set so that the urging force due to its elasticity is weaker than the urging force of the elastic member 10.

Specifically, the first fixing member 1 and the second fixing member 2 are formed into plate shapes. The first fixing member 1 and the second fixing member 2 are fixed to each other so that their opposing plate surfaces are in close contact with each other. Here, the first fixing member 1 is provided with a pressed surface 1b on the inner circumferential surface of the mounting hole 1a, and this pressed surface 1b is located on the back side of the mounting hole 1a (in the illustrated embodiment, It has an inclined surface that widens as it goes toward the bottom. Specifically, the first fixing member 1 is provided with an annular attachment member 1c. Therefore, the inside of the mounting member 1c becomes the mounting hole 1a, and the pressed surface 1b is formed in the mounting hole 1a.

In the fixture 3, the main body 4 is formed into a cylindrical shape, and the inside thereof becomes the aforementioned accommodation hole 4b having a circular cross section. The accommodation hole 4b penetrates vertically and is also a stepped hole, and from above (that is, from the side opposite to the tip 4a of the main body 4), a large diameter hole 4d, a medium diameter hole 4e, and a small diameter hole 4f. are formed in sequence.

The cam groove 11 provided in the main body 4 passes through the peripheral wall forming the accommodation hole 4b (more specifically, the large diameter hole 4d), and two cam grooves 11 are provided, and they are centered on the axis of the accommodation hole 4b. It is located at a 180° rotation. FIG. 6 shows a developed view of this cam groove 11. The cam groove 11 includes an inclined groove 11a that is inclined with respect to the lateral direction 4y rotating around the axis of the accommodation hole 4b, and a lateral groove 11b that continues in the lateral direction 4y following the inclined groove 11a, so that the operating body 7 can be unclamped. When the operating body 7 is in the clamp position, the pin 8 is located at one end 11c of the cam groove 11, which is the end on the inclined groove 11a side. 11d, at the end on the lateral groove 11b side. Specifically, the inclined groove 11a includes a first inclined groove 11e that is located on the one end 11c side of the cam groove 11 and has a relatively steep slope, and a first inclined groove 11e that is located on the other end 11d side of the cam groove 11 that is relatively sloped. The second inclined groove 11f has a gentle slope. Further, the other end 11d of the cam groove 11, which is the end on the lateral groove 11b side, is provided with a recess 11g that is recessed toward the side where the one end 11c of the cam groove 11 is located in the axial direction 4x of the accommodation hole 4b. There is. Therefore, when the operating body 7 is in the clamp position, the pin 8 engages with this recess 11g.

Further, the main body 4 includes a receiving portion 4g that abuts the second fixing member 2 so that the second fixing member 2 can be sandwiched between the first fixing member 1 and the second fixing member 2. Specifically, the receiving portion 4g is formed such that the upper and lower intermediate portions of the main body 4 protrude outward. A female thread 4h is drilled in this receiving portion 4g, and a fixing tool 13 such as a bolt is screwed into the female thread 4h through a fixing hole 2b drilled in the second fixing member 2. 3 is attached and fixed to the second fixing member 2.

The shaft 5 is inserted across the large diameter hole 4d, the medium diameter hole 4e, and the small diameter hole 4f of the accommodation hole 4b. This shaft 5 consists of two divided bodies 5d and 5e divided in the longitudinal direction, and these divided bodies 5d and 5e are connected by a connecting member 5f such as a stud bolt. The shaft 5 has the above-mentioned hanging part 5c formed in a protruding manner in the shape of a flange at the upper end, and also has an intermediate flange part 5g formed in the protrusion in the form of a flange in the middle. The above-mentioned working surface 5b provided on the tip 5a side (lower end side) of the shaft 5 includes a first working surface 5h formed in an arc-shaped recess at the tip 5a portion of the shaft 5, It consists of a second working surface 5i formed in a straight line following the surface 5h, and when the operating body 7 is in the unclamping position, the first working surface 5h is located opposite the pressing member 6 (see FIG. 7-2). ), when the operating body 7 is in the clamp position, the second operating surface 5i is located opposite the pressing member 6 (see FIG. 9-2).

The operating body 7 is formed in a cylindrical shape and is placed over the upper end portion of the main body 4 (the end portion opposite to the tip 4a side). The operating body 7 has an indicator 7a protruding from its circumferential surface. In the illustrated embodiment, two indicating portions 7a are provided, one of which points to the display 18 displayed on the main body 4 (specifically, the receiving portion 4g). As the display 18, characters "ON" and "OFF" and arrows indicating rotations between them are provided. Here, the "ON" position corresponds to the clamping position, and the "OFF" position corresponds to the unclamping position, and by rotating the operating body 7, the first fixing member 1 and the 2. It is possible to switch between fixing to the fixing member 2 and releasing the fixing. Note that a groove 7b is formed in the inner circumferential surface of the operating body 7 at a portion of the indicator 7a, and the end of the pin 8 is inserted into this groove 7b.

The pin 8 is formed into a cylindrical rod shape and has annular rollers 8a fitted near both ends. The pin 8 is passed through the cam groove 11 such that the roller 8a portion engages with the cam groove 11.

The auxiliary member 9 is formed in a cylindrical shape, and a portion thereof is inserted into the accommodation hole 4b (specifically, the large diameter hole 4d) of the main body 4. This auxiliary member 9 consists of an auxiliary member main body 9b and an annular member 9c attached to the lower side of the auxiliary member main body 9b. is provided. Therefore, a part of the shaft 5 including the above-mentioned hanging part 5c is inserted into the cylinder of the auxiliary member main body 9b, and the annular member 9c is attached to the auxiliary member main body 9b. are located opposite each other, and the shaft 5 is prevented from coming off with respect to the auxiliary member 9. Further, the auxiliary member 9 is provided with a horizontal hole 9d. Therefore, the pin 8 is passed through the cam groove 11 and the horizontal hole 9d. Then, the operating body 7 is placed over the auxiliary member 9, and the operating body 7 and the auxiliary member 9 are secured to each other by screws 14.

The elastic member 10 is made of, for example, a compression coil spring. This elastic member 10 is arranged between the shaft 5 and the auxiliary member 9. Specifically, the elastic member 10 is fitted into the shaft 5 (specifically, the upper divided body 5d) in the accommodation hole 4b (specifically, the large diameter hole 4d and the medium diameter hole 4e) of the main body 4, and It is compressed and inserted between the collar portion 5g and the auxiliary member 9.

The second elastic member 12 is made of, for example, a compression coil spring. This second elastic member 12 is arranged between the main body 4 and the auxiliary member 9. Specifically, the second elastic member 12 is fitted on the outside of the elastic member 10 in the accommodation hole 4b (more specifically, the large diameter hole 4d) of the main body 4, and extends from the large diameter hole 4d of the accommodation hole 4b to the medium diameter It is compressed and inserted between the step portion 4j moving to the hole 4e and the auxiliary member 9.

Next, the effects of the fixture 3 shown in the first embodiment will be explained. According to this fixture 3, the fixture 3 is arranged on the second fixture 2 side. Therefore, with the operating body 7 of the fixture 3 in the unclamp position, the tip 4a side (in the illustrated embodiment, the lower end side) of the main body 4 is passed through the through hole 2a of the second fixing member 2, and the first Insert into the mounting hole 1a of the fixing member 1 (see Figures 7-1 and 7-2). At this time, the pin 8, together with the auxiliary member 9, is located on the side far from the tip 4a of the main body 4, and the hanging portion 5c of the shaft 5 is connected to the hooked portion 9a of the auxiliary member 9 or the pin 8 (in the illustrated embodiment). , the shaft 5 is pulled up to the side far from the tip 4a of the main body 4 by the auxiliary member 9 or the pin 8 (in the illustrated embodiment, the auxiliary member 9). It is in the position where it was placed.

Thereafter, when the operating body 7 is rotated from the unclamping position to the clamping position, the pin 8 rotates together with the operating body 7, is guided by the cam groove 11 provided in the main body 4, and is guided by the tip 4a of the main body 4. Move to the side closer to. Then, the auxiliary member 9 also moves together with the pin 8 to the side closer to the tip 4a of the main body 4. At this time, the shaft 5, with the hanging part 5c of the shaft 5 hanging on the hanging part 9a of the auxiliary member 9 or the pin 8 (in the illustrated embodiment, the hanging part 9a of the auxiliary member 9), Together with the pin 8 and the auxiliary member 9, it moves to the side closer to the tip 4a of the main body 4. Due to this movement of the shaft 5, the pressing member 6 is pushed by the working surface 5b of the shaft 5 and moves in the holding hole 4c until it hits the pressed surface 1b of the mounting hole 1a (Fig. 8-1, Fig. 8- (see 2).

After the pressing member 6 hits the pressed surface 1b, the movement of the shaft 5 stops, and only the pin 8 and the auxiliary member 9 move toward the side closer to the tip 4a of the main body 4, whereby the hanging portion of the shaft 5 5c separates from the hooked portion 9a of the auxiliary member 9 or the pin 8 (in the illustrated embodiment, the hooked portion 9a of the auxiliary member 9). Therefore, the biasing force due to the elasticity of the elastic member 10 acts on the pressing member 6 via the acting surface 5b of the shaft 5, and the pressing member 6 presses the pressed surface 1b of the mounting hole 1a (Fig. 9-1 , see Figure 9-2). In this way, the pressing member 6 of the fixture 3 disposed on the second fixture 2 side presses the pressed surface 1b of the mounting hole 1a of the first fixture 1, thereby causing the first fixture 1 and the second fixture to be fixed. The material 2 is fixed to each other. Furthermore, when the pressing member 6 presses the pressed surface 1b, the shaft 5 stops and the auxiliary member 9 moves toward the side closer to the tip 4a of the main body 4, so that the biasing force of the elastic member 10 increases. Therefore, the first fixing member 1 and the second fixing member 2 are firmly fixed. That is, according to this fixing tool 3, the first fixing member 1 and The fixation with the second fixing member 2 can be strengthened.

The fixture 3 also includes a second elastic member 12, which holds the shaft 5 in the pulled up position and maintains the operating body 7 in the unclamped position. becomes possible.

Further, the cam groove 11 is provided with a lateral groove 11b, and when the operating body 7 is rotated from the unclamp position to the clamp position, the pin 8 engages with this lateral groove 11b, and the operating body 7 is clamped. maintained in position. Further, the lateral groove 11b is provided with a recess 11g, and the pin 8 engages with the recess 11g, thereby accurately maintaining the operating body 7 at the clamp position. The operator can accurately grasp the clamping position of the operating body 7 by the click feeling when the pin 8 engages with the recess 11g.

Further, the inclined groove 11a includes a first inclined groove 11e which is located on the one end 11c side of the cam groove 11 (that is, the side where the operating body 7 is located at the unclamping position) and has a relatively steep slope, and The second inclined groove 11f is located on the other end 11d side (that is, the side where the operating body 7 is located at the clamp position) and has a relatively gentle slope. Thereby, the operating body 7 can be quickly and easily rotated between the unclamping position and the clamping position.

10 to 12 show a second embodiment of the present invention. This embodiment is different from the first embodiment in that the shape of the hanging part 5c of the shaft 5 is different, and the auxiliary member 9 is not provided with the hanging part 9a, but the rest is the same. The reference numerals are the same as in the first embodiment, and different parts will be mainly explained.

The auxiliary member 9 does not include the annular member 9c. Therefore, this auxiliary member 9 is not provided with a hanging portion 9a. The shaft 5 (more specifically, the upper divided body 5d) extends upward so as to penetrate deeply into the cylinder of the auxiliary member 9, and extends upwardly and downwardly (that is, in the axial direction of the accommodation hole 4b) in its upper portion. 4x) has a long elongated hole 5j. Therefore, when the pin 8 is inserted into the long hole 5j, the upper part of the shaft 5 forming the long hole 5j becomes a hanging part 5c, and the hanging part 5c is hung on the pin 8.

That is, as shown in FIG. 11, when the operating body 7 is in the unclamp position, the pin 8 guided by the cam groove 11 is located on the far side from the tip 4a of the main body 4, and The portion 5c is hung on the pin 8, and the shaft 5 is in a pulled up position away from the tip 4a of the main body 4. As shown in FIG. 12, when the operating body 7 is in the clamp position, the pin 8 guided by the cam groove 11 is located on the side closer to the tip 4a of the main body 4, and the hanging portion 5c of the shaft 5 is Leave pin 8.

The function and effect of the fixture 3 shown in this second embodiment are the same as those in the first embodiment, but as described above, the hanging portion 5c of the shaft 5 is fixed when the operating body 7 is in the unclamped position. At one time, it is hung on the pin 8, and when the operating body 7 is in the clamp position, it is separated from the pin 8.

13 to 15 show a third embodiment of the present invention. This embodiment is different from the first embodiment in that the cam groove 11 is provided in the auxiliary member 9 instead of the main body 4, and when the operating body 7 is rotated, the pin 8 is moved together with the operating body 7. The second embodiment rotates around the axis of the accommodation hole 4b, but does not move in the axial direction 4x of the accommodation hole 4b, but is otherwise almost the same and has the same reference numerals as the first embodiment. We will mainly explain the different parts.

The main body 4 has an accommodation hole 4b extending to the tip 4a side thereof, and a peripheral wall forming the accommodation hole 4b that extends in a lateral direction 4y rotating around the axis of the accommodation hole 4b to guide the pin 8 in the lateral direction 4y. A guide groove 4k is provided. Therefore, the pin 8 rotates around the axis of the accommodation hole 4b together with the operating body 7 while being guided by the guide groove 4k. In the illustrated embodiment, the end of the pin 8 is inserted into the groove 7b formed on the inner circumferential surface of the operating body 7, so that the pin 8 is rotated around the axis of the accommodation hole 4b together with the operating body 7. Rotate to. At this time, the pin 8 does not move in the axial direction 4x of the accommodation hole 4b due to the guide groove 4k, and the operating body 7 also does not move in the axial direction 4x of the accommodation hole 4b.

A cam groove 11 extending along the peripheral wall of the auxiliary member 9 is formed, and the pin 8 is provided to engage with the cam groove 11. Here, the auxiliary member 9 cannot rotate around the axis of the accommodation hole 4b, but is movable in the axial direction 4x of the accommodation hole 4b. In the illustrated embodiment, the main body 4 is provided with a rotation regulating pin 4n that is attached to a hole 4m formed in the main body 4. On the other hand, the auxiliary member 9 is provided with a vertical groove 9e extending in the axial direction 4x of the accommodation hole 4b. Then, the rotation regulating pin 4n engages with the vertical groove 9e. As a result, the auxiliary member 9 cannot be rotated around the axis of the accommodation hole 4b, but is movable in the axial direction 4x of the accommodation hole 4b.

Therefore, as shown in FIG. 14, when the operating body 7 is in the unclamp position, the auxiliary member 9 equipped with the cam groove 11 guided by the pin 8 is located on the far side from the tip 4a of the main body 4, and the shaft A hanging portion 5c provided on the shaft 5 is hung on a hanging portion 9a provided on the auxiliary member 9, and the shaft 5 is in a pulled up position away from the tip 4a of the main body 4. At this time, between the working surface 5b of the shaft 5 and the pressed surface 1b of the mounting hole 1a, the pressing member 6 becomes movable to the side away from the pressed surface 1b, and the distal end 4a side of the main body 4 is mounted. It can be inserted into and removed from the hole 1a.

Here, when the operating body 7 is rotated from the unclamping position toward the clamping position, the pin 8 rotates together with the operating body 7 around the axis of the accommodation hole 4b. Due to this rotation of the pin 8, the auxiliary member 9 in which the cam groove 11 with which the pin 8 engages is formed is guided by the pin 8 and moves to the side closer to the tip 4a of the main body 4, and the shaft 5 also moves. It also moves to the side closer to the tip 4a of the main body 4. Due to this movement of the shaft 5, the pressing member 6 is pushed by the working surface 5b of the shaft 5, moves toward the inner peripheral surface of the attachment hole 1a, and comes into contact with the pressed surface 1b.

As shown in FIG. 15, when the operating body 7 is in the clamp position, the auxiliary member 9 with the cam groove 11 guided by the pin 8 is located on the side near the tip 4a of the main body 4, and the shaft 5 The hanging portion 5c is separated from the hanging portion 9a of the auxiliary member 9, and the urging force due to the elasticity of the elastic member 10 acts on the pressing member 6 via the action surface 5b of the shaft 5, and the pressing member 6 Press the pressed surface 1b of the hole 1a.

Next, the effects of the fixture 3 shown in the third embodiment will be explained. According to this fixture 3, the fixture 3 is arranged on the second fixture 2 side. Therefore, with the operating body 7 of the fixture 3 in the unclamp position, the tip 4a side of the main body 4 is passed through the through hole 2a of the second fixture 2 and inserted into the attachment hole 1a of the first fixture 1. At this time, the auxiliary member 9 is located on the far side from the tip 4a of the main body 4, and the hanging portion 5c of the shaft 5 is hung on the hooked portion 9a of the auxiliary member 9, and the shaft 5 is rotated by the auxiliary member 9. , is in a raised position away from the tip 4a of the main body 4.

Thereafter, when the operating body 7 is rotated from the unclamping position to the clamping position, the pin 8 is guided by the guide groove 4k provided in the main body 4 and rotates together with the operating body 7. Due to this rotation of the pin 8, the auxiliary member 9 in which the cam groove 11 with which the pin 8 engages is formed is guided by the pin 8 and moves toward the side closer to the tip 4a of the main body 4. At this time, the shaft 5 moves to the side closer to the tip 4a of the main body 4 together with the auxiliary member 9, with the hanging part 5c of the shaft 5 being hung on the hanging part 9a of the auxiliary member 9. Due to this movement of the shaft 5, the pressing member 6 is pushed by the working surface 5b of the shaft 5 and moves within the holding hole 4c until it hits the pressed surface 1b of the attachment hole 1a.

After the pressing member 6 hits the pressed surface 1b, the movement of the shaft 5 stops, and only the auxiliary member 9 moves toward the side closer to the tip 4a of the main body 4. As a result, the hanging portion 5c of the shaft 5 It separates from the hanging part 9a of the auxiliary member 9. Therefore, the biasing force due to the elasticity of the elastic member 10 acts on the pressing member 6 via the acting surface 5b of the shaft 5, and the pressing member 6 presses the pressed surface 1b of the attachment hole 1a. In this way, the pressing member 6 of the fixture 3 disposed on the second fixture 2 side presses the pressed surface 1b of the mounting hole 1a of the first fixture 1, thereby causing the first fixture 1 and the second fixture to be fixed. The material 2 is fixed to each other. Furthermore, when the pressing member 6 presses the pressed surface 1b, the shaft 5 stops and the auxiliary member 9 moves toward the side closer to the tip 4a of the main body 4, so that the biasing force of the elastic member 10 increases. Therefore, the first fixing member 1 and the second fixing member 2 are firmly fixed. That is, according to this fixing tool 3, the first fixing member 1 and The fixation with the second fixing member 2 can be strengthened.

Further, the fixture 3 shown in the third embodiment includes a second elastic member 12, as in the first embodiment, and the cam groove 11 includes a lateral groove 11b. A recess 11g is provided in the cam groove 11, and the inclined groove 11a constituting the cam groove 11 includes a first inclined groove 11e and a second inclined groove 11f, and these structures provide similar effects.

16 to 19 show a fourth embodiment of the present invention. This embodiment is different from the first embodiment in that a second body 15 is added as a member constituting the fixture 3, and a display 18 is provided on the second body 15, but other than that Since this embodiment is similar, the reference numerals are the same as in the first embodiment, and different parts will be mainly explained.

The fixture 3 includes a second main body 15 disposed on the second fixture 2 side. In the illustrated embodiment, the second main body 15 includes a receiving portion 15a that abuts the second fixing member 2 so that the second fixing member 2 can be sandwiched between the first fixing member 1 and the second fixing member 1. Specifically, the receiving portion 15a is formed in a lower portion of the second main body 15 so as to protrude outward. A female thread 15b is formed in this receiving portion 15a, and a fixing device 16 such as a bolt is screwed into the female thread 15b through a fixing hole 2b formed in the second fixing member 2, so that the second main body 15, As a result, the fixture 3 is attached and fixed to the second fixture 2.

This second body 15 includes a through hole 15c through which the body 4 is passed. The axis of the through hole 15c faces in the same direction as the axis of the accommodation hole 4b of the main body 4. Therefore, the main body 4 cannot rotate around the axis of the through hole 15c with respect to the second main body 15, and can move in the axial direction of the through hole 15c (that is, in the axial direction 4x of the accommodation hole 4b). This movement moves the main body 4 to a protruding position (where the tip 4a side (in the illustrated embodiment, the lower end side) protrudes from the through hole 15c and is inserted into the attachment hole 1a of the first fixing member 1. 18 and 19) and a hidden position (see FIG. 17) where the tip 4a side is hidden in the through hole 15c (more specifically, it is pulled in and hidden).

Further, the main body 4 includes a first regulated surface 4p facing toward the tip 4a of the main body 4, and the second main body 15 includes a first regulated surface 15d facing the first regulated surface 4p. 4 is in the protruding position, the first restricted surface 4p comes into contact with the first restricting surface 15d, and further protrusion of the main body 4 is restricted (see FIGS. 18 and 19). The main body 4 includes a second regulated surface 4q facing opposite to the tip 4a of the main body 4, and the second main body 15 has a second regulated surface 15e facing the second regulated surface 4q. In preparation, when the main body 4 is in the hidden position, the second restricted surface 4q comes into contact with the second restricted surface 15e, and further retraction of the main body 4 is restricted (see FIG. 17).

Specifically, the main body 4 is formed in a cylindrical shape, and is composed of a large diameter portion 4r and a small diameter portion 4s arranged in order from above (that is, from the side opposite to the tip 4a of the main body 4). . Therefore, a cam groove 11 is formed in the large diameter portion 4r, and a holding hole 4c is formed in the small diameter portion 4s. Further, a vertical groove 4t extending in the axial direction 4x of the accommodation hole 4b is formed in the large diameter portion 4r. The stepped portion from the large diameter portion 4r to the small diameter portion 4s becomes the first regulated surface 4p, and the lower surface within the vertical groove 4t becomes the second regulated surface 4q.

The second main body 15 is formed in a cylindrical shape, and the inside thereof becomes the through hole 15c. The through hole 15c passes through the hole vertically and is a stepped hole, in which a large diameter hole 15f, a medium diameter hole 15g, and a small diameter hole 15h are formed in order from the top. Therefore, the large diameter part 4r of the main body 4 is inserted so as to extend from the large diameter hole 15f to the medium diameter hole 15g of the second main body 15, and the small diameter part 4s of the main body 4 is inserted into the medium diameter hole of the second main body 15. It is inserted so as to extend from 15g to the small diameter hole 15h. Further, the second body 15 is provided with a rotation regulating pin 15j that is attached to a hole 15i formed in the second body 15. Therefore, this rotation regulating pin 15j engages with the longitudinal groove 4t of the main body 4. As a result, the main body 4 cannot rotate relative to the second main body 15 around the axis of the through hole 15c, and in the axial direction of the through hole 15c (that is, the axial direction 4x of the receiving hole 4b). It becomes possible to move. The stepped portion from the medium diameter hole 15g to the small diameter hole 15h becomes the first regulating surface 15d, and the lower surface of the rotation regulating pin 15j becomes the second regulating surface 15e.

The fixture 3 also includes another elastic member 17. The other elastic member 17 is made of, for example, a compression coil spring, and is arranged between the second main body 15 and the operating body 7. Specifically, the other elastic member 17 is fitted outside the main body 4 (specifically, the large diameter portion 4r) within the through hole 15c (specifically, the large diameter hole 15f) of the second main body 15, and It is arranged between the step portion 15k that transitions from the large diameter hole 15f to the medium diameter hole 15g of the through hole 15c and the inner top surface 7c of the operating body 7. Therefore, the main body 4 is maintained in the hidden position by the other elastic member 17 via the operating body 7, the auxiliary member 9, and the pin 8. Further, since the auxiliary member 9 is elastically biased by the other elastic member 17 in the direction opposite to the distal end 4a side of the main body 4, the other elastic member 17 is It also serves as the elastic member 12.

The effects of this fourth embodiment are similar to those of the first embodiment, but in addition, the fixture 3 includes a second main body 15, and the main body 4 has a tip 4a side thereof It is movable between a protruding position where it protrudes from the through hole 15c of the second main body 15 and is inserted into the attachment hole 1a of the first fixing member 1, and a hidden position where the tip 4a side is hidden in the through hole 15c. Therefore, when not in use, the main body 4 can be protected by placing it in a hidden position. Furthermore, by placing the main body 4 in the hidden position with the fixing tool 3 attached to the second fixing member 2, the tip 4a side of the main body 4 is prevented from protruding from the through hole 2a of the second fixing member 2. becomes possible. Therefore, the fixing tool 3 with the second fixing member 2 can be temporarily placed on the first fixing member 1 or any other appropriate location in a stable state.

Note that the present invention is not limited to the embodiments described above, and various other changes are possible. For example, the first fixing member 1 and the second fixing member 2 may have any shape, such as not a plate shape but a column shape. Further, the first fixing material 1 and the second fixing material 2 may be anything such as a base and a jig fixed to the base, and may be used for a wide range of various machines, jigs, tools, fixtures, etc. , it is possible to implement the invention.

Further, the fixture 3 is fixed to the second fixture 2 using the fixture 13 (in the fourth embodiment, the fixture 16), but it does not need to be fixed by the fixture.

Further, the cam groove 11 includes an inclined groove 11a and a lateral groove 11b, and a recess 11g is provided in the lateral groove 11b, but the recess 11g may not be provided. Moreover, the recess 11g may be provided in the inclined groove 11a without providing the lateral groove 11b. Furthermore, the lateral grooves may be provided not only on the other end 11d side of the cam groove 11 but also on the one end 11c side of the cam groove 11. Further, although the inclined groove 11a includes a first inclined groove 11e and a second inclined groove 11f having different degrees of inclination, the entire inclined groove 11a may be formed with the same inclination angle.

Furthermore, although the fixture 3 includes the second elastic member 12, the second elastic member 12 may not be provided.

Further, in the fourth embodiment, a second main body 15 is added to the fixture 3 of the first embodiment, but in the second embodiment or the third embodiment, a second main body 15 is added. A second main body 15 may also be added to the fixture 3.

Further, in the fixture 3 of the first embodiment (including the fourth embodiment), the cam groove 11 is provided in the main body 4, and the pin 8 rotates around the axis of the accommodation hole 4b. At the same time, the pin 8 moves in the axial direction 4x of the accommodation hole 4b, and as the pin 8 moves, the auxiliary member 9 moves in the axial direction 4x of the accommodation hole 4b. The pin 8 is made unrotatable around the axis of the accommodation hole 4b and immovable in the axial direction 4x of the accommodation hole 4b by attaching it, etc., and the auxiliary member 9 is provided with a cam groove in which the pin 8 engages. 11, so that the auxiliary member 9 is rotatable around the axis of the accommodation hole 4b and movable in the axial direction 4x of the accommodation hole 4b, and the auxiliary member 9 is formed together with the operating body 7. Alternatively, it may be configured to rotate around the axis of the accommodation hole 4b. In this structure, when the operating body 7 is in the unclamping position, the auxiliary member 9 equipped with the cam groove 11 guided by the pin 8 is located on the side far from the tip 4a of the main body 4, and is provided on the shaft 5. The hanging part 5c is hung on a hanging part 9a provided on the auxiliary member 9, and the shaft 5 is in a position where it is pulled up to the side far from the tip 4a of the main body 4. At this time, between the working surface 5b of the shaft 5 and the pressed surface 1b of the mounting hole 1a, the pressing member 6 becomes movable to the side away from the pressed surface 1b, and the distal end 4a side of the main body 4 is mounted. It can be inserted into and removed from the hole 1a. When the operating body 7 is in the clamp position, the auxiliary member 9 with the cam groove 11 guided by the pin 8 is located on the side closer to the tip 4a of the main body 4, and the hanging part 5c of the shaft 5 is The member 9 is separated from the applied portion 9a, and the urging force due to the elasticity of the elastic member 10 acts on the pressing member 6 via the acting surface 5b of the shaft 5, and the pressing member 6 is moved away from the pressed surface 1b of the mounting hole 1a. Press.

According to this fixture 3, when the operating body 7 of the fixture 3 disposed on the second fixture 2 side is set to the unclamp position, the tip 4a side of the main body 4 is penetrated into the through hole 2a of the second fixture 2. and insert it into the mounting hole 1a of the first fixing member 1. At this time, the auxiliary member 9 is located on the side far from the tip 4a of the main body 4, and the hanging part 5c of the shaft 5 is hung on the hanging part 9a of the auxiliary member 9, and the shaft 5 is , is in a raised position away from the tip 4a of the main body 4. Thereafter, when the operating body 7 is rotated from the unclamping position to the clamping position, the auxiliary member 9 in which the cam groove 11 with which the pin 8 engages is formed rotates together with the operating body 7 and is guided by the pin 8. and moves to the side closer to the tip 4a of the main body 4. At this time, the shaft 5 moves to the side closer to the tip 4a of the main body 4 together with the auxiliary member 9, with the hanging part 5c of the shaft 5 being hung on the hanging part 9a of the auxiliary member 9. Due to this movement of the shaft 5, the pressing member 6 is pushed by the working surface 5b of the shaft 5 and moves within the holding hole 4c until it hits the pressed surface 1b of the attachment hole 1a. After the pressing member 6 hits the pressed surface 1b, the movement of the shaft 5 stops, and only the auxiliary member 9 moves toward the side closer to the tip 4a of the main body 4, whereby the hanging portion 5c of the shaft 5 It separates from the hanging part 9a of the auxiliary member 9. Therefore, the biasing force due to the elasticity of the elastic member 10 acts on the pressing member 6 via the action surface 5b of the shaft 5, and the pressing member 6 presses the pressed surface 1b of the attachment hole 1a. In this way, the pressing member 6 of the fixture 3 disposed on the second fixture 2 side presses the pressed surface 1b of the mounting hole 1a of the first fixture 1, thereby causing the first fixture 1 and the second fixture to be fixed. The material 2 is fixed to each other. Further, when the pressing member 6 presses the pressed surface 1b, the shaft 5 stops and the auxiliary member 9 moves toward the side closer to the tip 4a of the main body 4, so that the biasing force of the elastic member 10 increases. Therefore, the first fixing member 1 and the second fixing member 2 are firmly fixed.

Further, as shown in FIG. 20, a first tapered portion 1d is provided in the attachment hole 1a of the first fixing member 1 (in the illustrated embodiment, the inner circumferential surface of the attachment member 1c), and the diameter becomes smaller toward the back. , a second tapered portion 4u is provided on the outer circumferential surface of the main body 4 (not shown, but in the fourth embodiment, the second main body 15) of the fixture 3, and the diameter becomes smaller toward the tip 4a, The accuracy of the relative position between the first fixing member 1 and the second fixing member 2 may be increased by fitting the first tapered portion 1d and the second tapered portion 4u.

1 First fixing material 1a Mounting hole 1b Pressed surface 2 Second fixing material 2a Through hole 3 Fixing tool 4 Main body 4a Tip 4b Accommodation hole 4c Holding hole 4x Axial direction 4y Lateral direction 4k Guide groove 4p First regulated surface 4q Second regulated surface 5 Shaft 5a Tip 5b Working surface 5c Hanging part 6 Pressing member 7 Operating body 8 Pin 9 Auxiliary member 9a Hanging part 10 Elastic member 11 Cam groove 11a Slanted groove 11b Lateral groove 11c One end 11d Other end 11e 1 inclined groove 11f 2nd inclined groove 11g recess 12 2nd elastic member 15 2nd main body 15c through hole 15d 1st regulation surface 15e 2nd regulation surface

Claims (8)

A fixture disposed on the second fixture side for removably fixing a first fixture having a mounting hole and a second fixture having a through hole to each other,
A main body whose distal end passes through the through hole and is inserted into the attachment hole, a shaft, a spherical pressing member, an operating body, a pin, an auxiliary member, and an elastic member,
The main body includes a housing hole extending to the distal end thereof, and a cam groove extending along a peripheral wall forming the housing hole and guiding the pin,
The shaft is located within the accommodation hole, the axis of the shaft faces in the same direction as the axis of the accommodation hole, and is movable in the axial direction of the accommodation hole,
The shaft has a working surface on a distal end side,
The pressing member may be held on the distal end side of the main body between the inner circumferential surface of the mounting hole and the distal end side of the shaft at a position facing a pressed surface on the inner circumferential surface of the mounting hole. A holding hole is provided through which the pressing member is passed,
The operating body is rotatable around the axis of the accommodation hole, and when rotated, moves between an unclamping position and a clamping position,
The pin is provided to engage with the cam groove, and
The pin rotates together with the operating body around the axis of the accommodation hole, and is guided by the cam groove and moves in the axial direction of the accommodation hole,
The auxiliary member moves together with the pin in the axial direction of the accommodation hole,
The elastic member elastically biases the shaft toward the distal end side of the main body with respect to the auxiliary member,
When the operating body is in the unclamping position, the pin guided by the cam groove is located on the side far from the tip of the main body together with the auxiliary member, and the hook provided on the shaft The shaft is hung on the hanging part provided on the auxiliary member or on the pin, and is in a position where it is pulled up to the side far from the tip of the main body, and between the working surface and the pressed surface, the shaft The pressing member is movable away from the pressed surface, and the distal end side of the main body can be inserted into and removed from the mounting hole,
When the operating body is in the clamp position, the pin guided by the cam groove is located on the side closer to the tip of the main body together with the auxiliary member, and the hook part of the shaft is located near the tip of the auxiliary member. fixation, which is separated from the hooked part or the pin, a biasing force due to the elasticity of the elastic member acts on the pressing member via the acting surface of the shaft, and the pressing member presses the pressed surface; Ingredients. A fixture disposed on the second fixture side for removably fixing a first fixture having a mounting hole and a second fixture having a through hole to each other,
A main body whose distal end passes through the through hole and is inserted into the attachment hole, a shaft, a spherical pressing member, an operating body, a pin, an auxiliary member, and an elastic member,
The main body includes an accommodation hole extending to the distal end thereof, and a guide groove extending laterally around the axis of the accommodation hole on a peripheral wall forming the accommodation hole and guiding the pin in the lateral direction,
The shaft is located within the accommodation hole, the axis of the shaft faces in the same direction as the axis of the accommodation hole, and is movable in the axial direction of the accommodation hole,
The shaft has a working surface on a distal end side,
The pressing member may be held on the distal end side of the main body between the inner circumferential surface of the mounting hole and the distal end side of the shaft at a position facing a pressed surface on the inner circumferential surface of the mounting hole. A holding hole is provided through which the pressing member is passed,
The operating body is rotatable around the axis of the accommodation hole, and when rotated, moves between an unclamping position and a clamping position,
The pin is provided to engage with a cam groove formed in the auxiliary member, and
The pin rotates around the axis of the accommodation hole together with the operating body while being guided by the guide groove,
The auxiliary member is not rotatable around the axis of the accommodation hole, and is movable in the axial direction of the accommodation hole,
The elastic member elastically biases the shaft toward the distal end side of the main body with respect to the auxiliary member,
When the operating body is in the unclamping position, the auxiliary member including the cam groove guided by the pin is located on the side far from the tip of the main body, and the hook provided on the shaft is The shaft is hung on a hanging part provided on the auxiliary member, and is in a pulled up position far from the tip of the main body, and the pressing member is held between the working surface and the pressed surface. is movable to a side away from the pressed surface, and the tip side of the main body can be inserted into and removed from the mounting hole,
When the operating body is in the clamp position, the auxiliary member provided with the cam groove guided by the pin is located on the side closer to the tip of the main body, and the hanging portion of the shaft is attached to the auxiliary member. The fixing device is spaced apart from the applied portion, and a biasing force due to the elasticity of the elastic member acts on the pressing member via the acting surface of the shaft, and the pressing member presses the pressed surface. A fixture disposed on the second fixture side for removably fixing a first fixture having a mounting hole and a second fixture having a through hole to each other,
A main body whose distal end passes through the through hole and is inserted into the attachment hole, a shaft, a spherical pressing member, an operating body, a pin, an auxiliary member, and an elastic member,
The main body includes a housing hole extending to a distal end thereof,
The shaft is located within the accommodation hole, the axis of the shaft faces in the same direction as the axis of the accommodation hole, and is movable in the axial direction of the accommodation hole,
The shaft has a working surface on a distal end side,
The pressing member may be held on the distal end side of the main body between the inner circumferential surface of the mounting hole and the distal end side of the shaft at a position facing a pressed surface on the inner circumferential surface of the mounting hole. A holding hole is provided through which the pressing member is passed,
The operating body is rotatable around the axis of the accommodation hole, and when rotated, moves between an unclamping position and a clamping position,
The pin is not rotatable around the axis of the accommodation hole and cannot be moved in the axial direction of the accommodation hole, and is provided to engage with a cam groove formed in the auxiliary member. ,
The auxiliary member is rotatable around the axis of the housing hole and movable in the axial direction of the housing hole, and is rotatable around the axis of the housing hole together with the operating body. move,
The elastic member elastically biases the shaft toward the distal end side of the main body with respect to the auxiliary member,
When the operating body is in the unclamping position, the auxiliary member including the cam groove guided by the pin is located on the side far from the tip of the main body, and the hook provided on the shaft is The shaft is hung on a hanging part provided on the auxiliary member, and is in a pulled up position far from the tip of the main body, and the pressing member is held between the working surface and the pressed surface. is movable to a side away from the pressed surface, and the tip side of the main body can be inserted into and removed from the mounting hole,
When the operating body is in the clamp position, the auxiliary member provided with the cam groove guided by the pin is located on the side closer to the tip of the main body, and the hanging portion of the shaft is attached to the auxiliary member. The fixing device is spaced apart from the applied portion, and a biasing force due to the elasticity of the elastic member acts on the pressing member via the acting surface of the shaft, and the pressing member presses the pressed surface. comprising a second elastic member;
The fixture according to any one of claims 1 to 3, wherein the second elastic member elastically biases the auxiliary member with respect to the main body in a direction opposite to a distal end side of the main body. The cam groove includes an inclined groove that is inclined with respect to a lateral direction rotating around the axis of the accommodation hole, and a lateral groove that continues from the inclined groove and faces in the lateral direction, and when the operating body is in the unclamped position. , the pin is located at one end of the cam groove on the inclined groove side, and when the operating body is in the clamp position, the pin is located at the other end of the cam groove. 5. A fastener according to claim 1, which is located at the end of the transverse groove. The other end of the cam groove, which is the end on the side of the lateral groove, is provided with a recess that is recessed toward the one end of the cam groove in the axial direction of the accommodation hole, and the operating body 6. The fixture of claim 5, wherein the pin engages the recess when in the clamping position. The slanted groove includes a first slanted groove that is located at one end of the cam groove and has a relatively steep slope, and a second slanted groove that is located at the other end of the cam groove and has a relatively gentle slope. The fixture according to claim 5 or 6, comprising: comprising a second main body disposed on the second fixing material side,
the second body includes a through hole through which the body is passed;
The through hole has an axis oriented in the same direction as an axis of the accommodation hole,
The main body is not rotatable about the axis of the through hole with respect to the second main body, and is movable in the axial direction of the through hole, and the movement causes the distal end side to move into the through hole. move to a protruding position where the tip protrudes from the hole and is inserted into the mounting hole, and a hidden position where the distal end side is hidden within the through hole,
The main body includes a first regulated surface facing the distal end side of the main body, and the second main body includes a first regulated surface facing the first regulated surface, and the main body is in a protruding position. When the first restricted surface contacts the first restricted surface, further protrusion of the main body is restricted, and
The main body includes a second regulated surface facing opposite to the distal end side of the main body, and the second main body includes a second regulated surface facing the second regulated surface, so that the main body The fixture according to any one of claims 1 to 7, wherein when the fixture is in the hidden position, the second restricted surface abuts the second restricted surface to restrict further retraction of the main body. .

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