WO2012053166A1

WO2012053166A1 - Coupling device

Info

Publication number: WO2012053166A1
Application number: PCT/JP2011/005704
Authority: WO
Inventors: 充福本
Original assignee: 株式会社ニフコ
Priority date: 2010-10-21
Filing date: 2011-10-12
Publication date: 2012-04-26
Also published as: JP2012087907A

Abstract

In a coupling device, in order to obtain a good attachment and detachment (removal) operability and simultaneously in order for an object to be attached to be reliably attached to a main body, a first engaging portion (14) and a second engaging portion (36) are formed on the main body (10) and the object (30) to be attached, wherein the first engaging portion (14) and the second engaging portion (36) can be displaced between a coupling position where the main body (10) and the attached object (30) are coupled and an uncoupling position where the coupling of the two is released and are engaged with and released from each other by this displacement. A lock member (58) is provided in the main body (10). The lock member (58) engages with the second engaging portion (36) to selectively prevent the second engaging portion (36) from moving with respect to the first engaging portion (14) from the coupling position to the uncoupling position. The lock member (58) is biased toward a lock position by a biasing means (66) and, by being pressed by the attached object (30), is displaced from the lock position to an unlock position while resisting the biasing force of the biasing means (66).

Description

Connecting device

The present invention relates to a connecting device, and more particularly, to a connecting device that detachably connects two members.

2. Description of the Related Art An attachment structure (connecting device) for detachably mounting an object to be mounted on a main body is known that includes a lock mechanism for locking the object to be mounted on the main body.

Japanese Patent Office Utility Model Publication No. Sho 62-39006 (U)

In a connecting device that detachably connects two members, such as a mounting structure for detachably mounting an object to be mounted on the main body, it is said that the operability of detachment (separation) performed manually by the user is good. In a state where the attachment object is attached to the main body, that is, in a connected state, it is required that the attachment object is not carelessly detached from the main body and the attachment object is securely attached to the main body.

The problem to be solved by the present invention is to achieve both the operability of attachment / detachment (separation) in the coupling device and the attachment of the attachment object to the main body.

The connecting device according to the present invention is a connecting device for connecting the first member (10) and the second member (30) in a separable manner, the first member (10) and the second member (30). A first engaging portion (14) that is displaceable between a locking position for connecting the member (30) and a releasing position for releasing the connection between the members (30) and disengages from each other by the displacement; A second engagement portion (36) is formed, provided on the first member (10), and engages with the second engagement portion (36) to thereby form the second engagement portion (36). Is disengaged from the engagement between the lock position for preventing the first engagement portion (14) from moving from the locking position to the release position and the second engagement portion (36). The second engagement portion (36) moves between the locking position and the release position with respect to the first engagement portion (14). A lock member (58) that is displaceable between a freely released lock release position and a biasing means (66) that biases the lock member (58) to the lock position, and the lock member (58 ) Is displaced from the lock position to the lock release position against the urging force of the urging means (66) by being pressed by the second member (30).

According to this connecting device, the first member (10) and the second member (30) can be attached and detached (separated) with one hand and reliably with good operability with one touch.

In the coupling device according to the present invention, preferably, the first engagement portion (14) includes a slit opening (18), and the second engagement portion (36) is a plate-like portion (38). It is composed of a rib (36) with a T-shaped cross section having a flange (40) integrally at the tip, and the plate-like part (38) is detachably engaged with the slit opening (18). The second engagement portion (36) is brought into contact with the first engagement portion (36) by the flange portion (40) coming into contact with the opening edge portions (20) on both sides of the slit defining the slit opening portion (18). 14), and the locking member (58) presses the flange (40) against the opening edge (20) by urging the locking position by the urging means (66). .

According to this connecting device, the second member (30) is securely attached to the first member (10) without rattling up and down.

In the coupling device according to the present invention, preferably, a support (50) is attached to the first member (10), and a long-hole bearing recess (54) is formed in the support (50). The lock member (58) is provided with a shaft portion (60), and the shaft portion (60) is engaged with the bearing recess (54) so as to be movable and rotatable in the longitudinal direction of the bearing recess (54). Match.

According to this connecting device, the movement of the locking member (58) is ensured, and the locking action by the locking member (58) is reliably performed.

In one embodiment of the coupling device according to the present invention, the lock member (58) abuts on the second engagement portion (36), and the second engagement portion (36) It has an engaging claw part (64) which stops moving from a position to the release position.

According to this coupling device, the locking action by the locking member (58) is reliably performed.

The coupling device according to the present invention is preferably further provided with a locking portion (44) provided in one of the first member (10) and the second member (30), and the other. By disengaging from the engagement between the movement preventing position for preventing the movement of the second member (30) in the pressing direction by engaging with the engaging portion (44) and the engaging portion (44). And a movable locking member (72) movable between a movement allowable position allowing movement of the second member (30) in the pressing direction.

According to this coupling device, when the movable locking member (72) is located at the movement preventing position, the second member (30) cannot move in the pressing direction, so the second member (30) It will not come off carelessly.

According to the coupling device according to the present invention, the first member and the second member can be reliably attached and detached (separated) with good operability.

The whole perspective view of 1st Example of the coupling device by this invention. The disassembled perspective view of the coupling device by 1st Example. The expanded longitudinal cross-sectional view of the principal part of the coupling device by 1st Example. The expansion perspective view which looked up at the engaging part of the connecting device by the 1st example. (A)-(D) are longitudinal cross-sectional views showing the operation process when connecting the connecting device according to the first embodiment. (A)-(D) are longitudinal sectional views showing an operation process at the time of separation of the coupling device according to the first embodiment. The expansion perspective view which looked down at the other Example of the engaging part of a connection device. The expansion perspective view which looked up at the other Example of the engaging part of a connection device. The whole perspective view of 2nd Example of the coupling device by this invention. The disassembled perspective view of the coupling device by 2nd Example. The front view which removes a front cover and shows the coupling device by 2nd Example. The side sectional view of the connecting device by the 2nd example. The perspective view of the to-be-attached object of the coupling device by 2nd Example. (A)-(C) are longitudinal cross-sectional views showing the operation process when connecting the connecting device according to the second embodiment. (A)-(C) is a longitudinal sectional view showing an operation process at the time of separation of the coupling device according to the second embodiment.

A first embodiment of the coupling device according to the present invention will be described with reference to FIGS. In this embodiment, the coupling device is applied to an attaching / detaching mechanism of a HUD combiner installed in a passenger compartment of an automobile, and the first member is the main body 10 and the second member is attached to the main body 10. It is the to-be-attached object 30 which is a combiner.

First, the attachment (second member) 30 will be described. The mounted object 30 includes a panel portion 32 that forms the main part of the combiner, a flange portion 34 formed along the lower edge of the panel portion 32, and left and right hooks protruding downward from the lower bottom portion of the flange portion 34. A rib portion (second engaging portion) 36 is integrally formed.

The flanged rib portion 36 is a connecting member provided on the attachment object 30 in order to attach the attachment object 30 to the main body 10, and is formed integrally with the plate-like portion 38 and the tip of the plate-like portion 38. 40 and has a T-shaped cross-sectional shape throughout. The front end (lower end) of the plate-like portion 38 is inclined up and down with the same inclination angle as the up-and-down inclination of the inclined guide surface formed by the opening edge portion 20 of the main body 10 to be described later. It is inclined to. A protruding portion 42 is formed at the tip end portion (ridge portion) of the flanged rib portion 36. More specifically, the flange portion 40 has a vertical portion and a vertically inclined portion that is inclined downward from the lower end of the vertical portion, and has a protrusion 42 at the lower end portion of the vertical portion.

The main body (first member) 10 has a rectangular shape with a large left-right width in this embodiment, and an engagement hole (with a hooked rib portion 36 inserted and removed on both the left and right sides of the horizontal upper wall portion 12). A first engagement portion) 14 is formed. The engagement hole 14 includes a rectangular through hole 16 that penetrates the upper wall portion 12 up and down, and a slit opening 18 that opens in one side of the square through hole 16 and extends in the left-right direction and penetrates the upper wall portion 12 up and down. Including. An inclined stopper piece 17 including an inclined upper surface parallel to an inclined guide surface formed by a lower surface of an opening edge 20 of a slit opening 18 which will be described later is formed on the opening edge of the engagement hole 14 on the side of the rectangular through hole 16. Are integrally formed.

The rectangular through-hole 16 has a front-rear width slightly larger than the front-rear width of the flange part 40 of the flanged rib part 36. The slit opening 18 has a slit width (front-rear width) into which the plate-like portion 38 of the ribbed portion 36 is slidable in the left-right direction. Opening edge portions 20 (see FIG. 4) on the lower surface side on both sides of the slit that define the slit opening 18 form an inclined guide surface that is inclined downward as viewed from the side of the rectangular through hole 16. In order to eliminate backlash in the front-rear direction of the plate-like portion 38 inserted in the slit opening 18 on the inner side surfaces on both front and rear sides of the slit opening 18, a hemispherical protrusion 22 (see FIG. 4). Are integrally formed so as to protrude into the slit opening 18.

The rib portion 36 with the flange is moved to the left side with respect to the main body 10 as viewed in FIGS. 1 and 2 after the flange portion 40 is inserted into the rectangular through-hole 16, and the plate-shaped portion 38 is connected to the engagement hole 14. By engaging with the slit opening 18, it is positioned at a locking position for connecting the main body 10 and the mounted object 30, and moves to the right side with respect to the main body 10 as viewed in FIGS. 1 and 2 from this locking position. Then, when the plate-like portion 38 is disengaged from the engagement with the slit opening 18, the plate-like portion 38 is positioned at a release position where the connection between the main body 10 and the attachment object 30 is released.

That is, the hooked rib portion 36 can be displaced between the above-described locking position and the release position with respect to the engagement hole 14, and the engagement hole 14 and the hooked rib portion 36 are engaged with and disengaged from each other by the displacement. .

Inside the main body 10, a support 50 is fixedly attached to each of the left and right engagement holes 14 by screws 52 (see FIG. 2). The support body 50 has a box shape with an upper opening for receiving the lock member 58 on the inner side, and each of the front and rear wall portions has an arc-shaped bearing elongated hole 54 forming a bearing recess, and a concentric bearing with the bearing elongated hole 54. An arcuate guide slot 56 is formed through the arc.

The lock member 58 is a piece having a front and rear wall portion and an upper wall portion. A columnar shaft portion 60 and a guide protrusion 62 are formed on the outer surface of the front and rear wall portions so as to protrude from the upper surface of the upper wall portion. An engagement claw portion 64 having a non-return shape is formed. The lock member 58 moves up and down from the support 50 by engaging the shaft portion 60 with the bearing long hole 54 so as to be movable and rotatable in the longitudinal direction (arc direction) of the bearing long hole 54. The range of movement is set by the engagement between the guide projection 62 and the guide slot 56.

As shown in FIG. 3, the engaging claw portion 64 moves when the hooked rib portion 36 moves from the release position to the locking position (moving to the left as viewed in FIG. 3). When the portion 36 falls to the left standing wall side in the drawing of the engaging claw portion 64, that is, the check side, the hooked rib portion 36 is prevented from moving from the locking position to the release position.

The locking member 58 engages with the hooked rib portion 36 and engages with the hooked rib portion 36 by the engaging claw portion 64 in the movement range limited by the engagement between the guide protrusion 62 and the guide elongated hole 56. A locking position (see FIG. 3) that prevents the hole 14 from moving from the locking position to the releasing position, and the engaging claw 64 is disengaged from the non-reverse engagement with the hooked rib 36; A lock release position (FIGS. 5B, 5C, and 6B) that allows the flanged rib portion 36 to freely move between the engagement position and the release position with respect to the engagement hole 14. ) And (C))).

A torsion coil spring 66 is attached between the support 50 and the lock member 58. The torsion coil spring 66 biases the lock member 58 upward and in the counterclockwise direction as viewed in FIG. 3, that is, toward the lock position.

Next, the connecting operation of the first embodiment will be described with reference to FIG.

As shown in FIG. 5 (A), the flange portion 40 of the flanged rib portion 36 formed on the attachment object 30 is positioned above the rectangular through hole 16 of the engagement hole 14 formed in the main body 10. 5B, as shown in FIG. 5B, by pushing down the attachment 30 until the flange 40 abuts against the inclined upper surface of the inclined stopper piece 17, the engaging claw portion 64 is engaged by the flange 40. Is pressed, the lock member 58 in the locked position is pushed down against the spring force of the torsion coil spring 66, and the lock member 58 is unlocked with the hooked rib portion 36 on the engagement claw portion 64. Displace to position. At this time, the upper surface of the flange portion 40 is positioned below the lower bottom surface of the opening edge portion 20, and the flange portion 40 can be slid below the opening edge portion 20.

Next, in the state described above, the attachment object 30 is moved to the left side with respect to the main body 10 as shown in FIG. By this movement, under the sliding engagement between the upper surface of the flange 40 and the lower bottom surface of the opening edge 20, the flange 40 is slid to the lower left side while being guided by the inclination of the opening edge 20. The plate-like portion 38 of the rib portion 36 enters the slit opening 18.

When the collar portion 40 gets over the engaging claw portion 64 as shown in FIG. 5D due to the leftward movement of the attachment 30 with respect to the main body 10, the lock member 58 is moved by the spring force of the torsion coil spring 66. Returning to the locked position, the flanged rib portion 36 falls to the rising wall side of the engaging claw portion 64 and engages with the lock member 58.

In this state, as shown well in FIG. 3, the ribbed portion 36 is located at the locking position and abuts against the standing wall of the engaging claw 64 of the projection 42 of the ribbed portion 36. In this state, the hooked rib portion 36 is sandwiched between the end wall at the back of the slit opening 18 and the standing wall of the engaging claw portion 64, thereby restraining the left and right movement of the attachment 30 with respect to the main body 10. The In particular, in the present embodiment, since the ribbed portion 36 is pressed rightward in the drawing, the lock member 58 is brought into contact with the standing wall of the projection 42 of the ribbed rib portion 36 in a plane. Is reliably prevented from rotating in the unlocking direction (counterclockwise direction).

The lock member 58 is biased to the lock position by the spring force of the torsion coil spring 66, so that the upper surface of the flange portion 40 is pressed against the lower bottom surface of the opening edge portion 20, and the attachment object 30 is applied to the main body 10. On the other hand, rattling in the vertical direction is prevented. Further, the engagement between the projections 22 formed on both inner side surfaces of the slit opening 18 and the plate-like portion 38 prevents the object 30 from rattling against the main body 10 in the front-rear direction. .

In this way, the object 30 can be securely attached (connected) to the main body 10 with one hand and with good operability with one hand.

Next, the separation operation of the first embodiment will be described with reference to FIG.

In the connected state shown in FIG. 6 (A), as shown in FIG. 6 (B), the attachment object 30 is pushed down with respect to the main body 10. As a result, the upper surface of the flange portion 40 of the flanged rib portion 36 is separated downward from the lower bottom surface of the opening edge portion 20, and the lock member 58 is pressed downward by the flanged rib portion 36, whereby the lock member 58 is twisted. The spring 66 is displaced to the lock release position against the spring force.

With the lock member 58 pushed down in this way, the lock member 58 is pushed against the spring force of the torsion coil spring 66 by pushing the lock member 58 with the collar 40 as shown in FIG. 6C. 6C, the object 30 is moved obliquely upward to the right with respect to the main body 10 so that the collar 40 moves over the engaging claw 64 in the opposite direction. Then, the plate-like portion 38 of the flanged rib portion 36 is released from the engagement with the slit opening 18. As a result, the ribbed portion 36 is located at the release position, and in this state, the attachment 30 is removed from the main body 10 by lifting the attachment 30 with respect to the main body 10. As a result, the detachment operation can be performed with one hand and with a single touch with good operability.

In addition, the structure which prevents the to-be-attached object 30 from rattling in the front-back direction with respect to the main body 10 is as follows. As shown in FIG. 7 and FIG. 10 and a leaf spring 26 which is fixed to 10 and has a free end bulged into the slit opening 18.

Next, a second embodiment of the coupling device according to the present invention will be described with reference to FIGS. In the second embodiment, components substantially the same as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and description thereof is omitted.

In the second embodiment, the engagement piece 44 protruding downward from the lower bottom portion of the flange portion 34 of the attachment 30 is integrally formed at the center in the left-right direction of the attachment 30. As shown in FIG. 13, the engaging piece portion 44 integrally has engaging claw portions 46 that extend in the lateral direction at the lower ends of the left and right ends.

An opening 28 into which the engagement piece 44 is inserted is formed at the center in the left-right direction of the upper wall 12 of the main body 10.

A support member 70 is attached to a position below the opening 28 in the main body 10. A long slit 71 is formed in the support member 70 in the left-right direction. A locking claw portion 76 of the movable locking member 72 is engaged with the slit 71 so as to be movable in the left-right direction. On the upper part of the movable locking member 72, two locking claw portions 74 extending in the lateral direction are provided at a predetermined interval in the left-right direction.

The movable locking member 72 is moved by moving the locking claw portion (stopper portion) 74 to the engagement claw portion 46 of the engagement piece portion 44 inserted into the main body 10 through the opening 28 by moving in the left-right direction. The movement preventing position for preventing the attachment 30 from moving downward with respect to the main body 10 and the downward movement of the attachment 30 due to the locking claw 74 being separated from the contact with the engagement claw 46. It is possible to move between the movement allowable positions that allow

A compression coil spring 80 is attached between the movable locking member 72 and the support member 70 to bias the movable locking member 72 to the movement preventing position. The movable locking member 72 is provided with an operation button 78 for moving the movable locking member 72 to a movement allowable position by manual operation against the spring force of the compression coil spring 80.

A front cover 82 (see FIGS. 9 and 10) is attached to the front of the main body 10. An opening 84 for exposing the operation button 78 to the outside is formed in the upper portion of the front cover 82.

Next, the connecting operation of the second embodiment will be described with reference to FIG.

As shown in FIG. 14 (A), the flange 40 of the flanged rib 36 formed on the attachment 30 is placed above the rectangular through hole 16 of the engagement hole 14 formed in the main body 10. Then, the object 30 is pushed down as shown in FIG. As a result, the engaging claw portion 64 is pressed by the flange portion 40, the lock member 58 in the locked position is pushed down against the spring force of the torsion coil spring 66, and the hooked rib portion 36 is formed on the engaging claw portion 64. In a state in which is placed, the lock member 58 is displaced to the lock release position. At this time, the upper surface of the flange portion 40 is positioned below the lower bottom surface of the opening edge portion 20, and the flange portion 40 can be slid below the opening edge portion 20.

Next, in the state described above, the attachment object 30 is moved to the left with respect to the main body 10 as shown in FIG. By this movement, under the sliding engagement between the upper surface of the flange 40 and the lower bottom surface of the opening edge 20, the flange 40 is guided by the inclination of the opening edge 20 and slides downward to the left. Accordingly, the plate-like portion 38 of the ribbed portion 36 enters the slit opening 18. When the collar portion 40 gets over the engagement claw portion 64, the lock member 58 returns to the lock position by the spring force of the torsion coil spring 66.

As a result, the hooked rib portion 36 is positioned at the locking position, and the projection 42 of the hooked rib portion 36 is in contact with the standing wall of the engaging claw portion 64 as in the first embodiment (see FIG. 3). ), The rib portion 36 with the hook is sandwiched between the end wall at the back of the slit opening 18 and the standing wall of the engaging claw portion 64, so that the left-right movement of the attachment 30 with respect to the main body 10 is restricted. The

In this state, the lock member 58 is biased to the lock position by the spring force of the torsion coil spring 66, whereby the upper surface of the flange portion 40 is pressed against the lower bottom surface of the opening edge portion 20, and the attachment object 30 is moved to the main body. 10 is prevented from rattling in the vertical direction. Further, the leaf springs 26 provided on both inner side surfaces of the slit opening 18 are pressed against the plate-like portion 38, thereby preventing the attachment object 30 from rattling against the main body 10 in the front-rear direction. Is done.

In this way, the attachment object 30 can be attached (connected) to the main body 10 with one hand and with good operability with one hand.

In this mounted state, as shown in FIG. 14 (C), the movable locking member 72 is positioned at the movement blocking permitted position by the spring force of the compression coil spring 80 and is engaged with the locking claw portion 74. When the nail | claw part 46 contact | abuts, the to-be-attached object 30 is prevented from moving below with respect to the main body 10. FIG. Thereby, since the to-be-attached object 30 cannot move below (pressing direction), the to-be-attached object 30 does not remove | deviate from the main body 10 carelessly.

Next, the separation operation of the second embodiment will be described with reference to FIG.

In the above-described connected state (see FIG. 14C), the movable locking member 72 is allowed to move against the spring force of the compression coil spring 80 by the operation button 78 as shown in FIG. It moves to the position, and the contact between the engaging claw portion 74 of the movable engaging member 72 and the engaging claw portion 46 of the engaging piece portion 44 is released.

As a result, the attachment object 30 can move downward with respect to the main body 10, and as shown in FIG. 15B, the lock member 58 is pushed down, as shown in FIG. As shown, the to-be-attached object 30 is moved diagonally upward to the right with respect to the main body 10 so that the flange 40 gets over the engaging claw 64 of the lock member 58 in the opposite direction, and The plate-like portion 38 is disengaged from the engagement with the slit opening 18. As a result, the ribbed portion 36 is located at the release position, and in this state, the attachment 30 is removed from the main body 10 by lifting the attachment 30 with respect to the main body 10.

Although the present invention has been described above with reference to preferred embodiments, the present invention is not limited to such embodiments so that those skilled in the art can easily understand, and departs from the spirit of the present invention. It is possible to change appropriately within the range not to be. The connection device according to the present invention is not limited to the application to the attachment / detachment mechanism of the HUD combiner, and can be applied as a connection device that connects various two members in a separable manner. In addition, all the components shown in the above embodiment are not necessarily essential, and can be appropriately selected without departing from the gist of the present invention. For example, the lock member 58 may be an attachment structure that is directly attached to the main body 10 without using the support body 50.

The disclosure content of the Japanese patent application (Japanese Patent Application No. 2010-236761 filed on Oct. 21, 2010) serving as the basis for the priority under the Paris Convention of the present application is hereby incorporated in its entirety by reference. . The entire contents of the priority application based on the Paris Convention of the present application and the prior art cited in the present application are incorporated herein by reference.

10 Main body (first member)
14 engagement hole (first engagement portion)
18 Slit opening 20 Opening edge 30 Attachment object (second member)
36 Ribbed portion with hook (second engaging portion)
38 plate-like part 40 collar part 44 locking piece part 50 support body 54 bearing long hole 58 locking member 60 shaft part 64 engaging claw part 66 torsion coil spring 72 movable locking member

Claims

A connecting device for connecting the first member and the second member in a separable manner,
The first member and the second member can be displaced between a locking position for connecting the two and a release position for releasing the connection between the first member and the second member. An engagement portion and a second engagement portion are formed,
It is provided in the first member, engages with the second engagement portion, and the second engagement portion moves from the locking position to the release position with respect to the first engagement portion. The lock position that prevents this, and the second engagement portion is separated from the engagement with the second engagement portion, and the second engagement portion is located between the engagement position and the release position with respect to the first engagement portion. A lock member that is displaceable between a lock release position that freely allows movement between, and
Biasing means for biasing the lock member to the lock position;
The locking device is a coupling device that is displaced from the lock position to the lock release position against the biasing force of the biasing means when pressed by the second member.
The first engaging portion includes a slit opening, and the second engaging portion is configured by a rib with a hook shape having a T-shaped cross section integrally having a flange at the tip of the plate-shaped portion, The second engaging portion is the first engaging portion by releasably engaging the slit-shaped portion with the slit opening portion and the collar portion abutting against opening edges on both sides of the slit defining the slit opening portion. The coupling device according to claim 1, wherein the locking member is engaged with the engaging portion, and the lock member presses the flange portion against the opening edge portion by urging to the lock position by the urging means.
A support is attached to the first member, a long hole-shaped bearing recess is formed in the support, a shaft portion is provided in the lock member, and the shaft portion is provided in the bearing recess. The coupling device according to claim 1, wherein the coupling device is engaged so as to be movable and rotatable in the longitudinal direction of the recess.
The coupling device according to any one of claims 1 to 3, wherein the lock member includes an engagement claw portion that prevents the second engagement portion from moving from the locking position to the release position.
A locking portion provided on one of the first member and the second member, and a movement portion in the pressing direction of the second member provided on the other and engaging with the locking portion. And a movable locking member movable between a movement blocking position for blocking and a movement allowable position for allowing movement of the second member in the pressing direction by being disengaged from the engagement with the locking portion. Item 2. The connecting device according to Item 1.