JPH0652082B2 - Connecting device - Google Patents

Description

The present invention relates to a removable coupling device.

<< Conventional Technology >> Conventionally, as a connecting device (fastening device) for connecting two members, those shown in FIGS. 13 and 14 and what is called a hook are known.

13 and 14 show a female member c having an annular locking projection b on the inner peripheral surface of the connecting hole a and a connecting member which can be inserted into and removed from the connecting hole a. Has a rod d, and the connecting rod d
A male member f having an annular locking groove groove e on the outer circumference of
As shown in FIG. 11, it is possible to reduce the diameter of the connecting rod d by forming a slit g in the diameter direction of the connecting rod d, or as shown in FIG. A frusto-conical head h is formed at the tip of the connecting rod d, so that the connecting rod d is pushed axially into the connecting hole a, whereby the locking projection b and the locking recess groove are formed. e is locked and both male and female members f and c are fastened together.

<Problems to be Solved by the Invention> In the above-mentioned illustrated example, since the coupling strength between the male and female members f and c can be considerably strengthened against the force in the axial mounting and pulling directions, this is Even if you want to remove it, you cannot easily remove it.

On the other hand, the existing hook is removable, and is designed with consideration for removal.
Naturally, it is weak against the force in the pulling direction.

As described above, the existing ones are mainly connected to the two members of the male member and the female member, and there are also those in which other members are added to the two members. After all, it is not sought, but after all it is weak against the force in the pulling direction which is greater than the connecting strength of the two members, and if it is made as strong as possible, it cannot be removed.

The present invention has been made in view of such problems of the above-mentioned conventional technology, and the purpose thereof is to:
An object of the present invention is to provide a connecting device in which a member to be connected can be quickly attached, a connecting strength can be obtained against a force in a pulling direction, and the connecting device can be easily detached.

<< Means for Solving the Problems >> To achieve the above object, the present invention has a connecting hole,
A first member to be connected, and a male member having a connecting rod that can be inserted into and removed from the connecting hole,
By pressing the connecting rod into the connecting hole, the elastic locking member disposed on one member and the locking portion provided on the other member are locked by the female and male members. The second member to be connected is fastened in the axial direction so that the second member to be connected can be connected between the two members, and the shaft of the male member is provided at the facing portion of the male member and the second member to be connected or a washer. An object of the present invention is to provide a coupling device characterized by comprising a fastening release means capable of converting a turning force in a rotating direction into an axial retreating force of the male member.

<< Operation >> The female member can be fixed to the first member to be connected by means such as screwing or driving.

The male member supports the second connected member by inserting the connecting rod into the second connected member that is to be connected to the first connected member.

In this state, when the connecting rod of the male member is strongly pushed into the connecting hole of the female member, the elastic locking member is expanded in a predetermined direction by the pushing force, and the connecting rod is further pushed to lock. At the position where the portion and the elastic locking member match, the elastic locking member elastically returns and locks with the locking portion, and both the male and female members are axially fastened, whereby the first and the first The two connected members are connected.

In the connected state, the structure of the elastic locking member and the locking portion has a strong connection strength against the force in the pulling direction of the male member, so that both the male and female members are firmly held in the tightened state. Therefore, the connected state of both the first and second connected members is secured.

In the connected state, when the male member is rotated in the preset direction around the axis using a tool such as a driver, the turning force of the male member opposes the second connected member or the washer or the like. The fastening releasing means formed in the portion converts the male member into the axial retracting force, and the retracting force releases the engagement between the elastic engaging portion and the engaging portion, thereby releasing the fastening of the male and female members. Then, the second connected member can be removed together with the male member.

<Example> Hereinafter, the present invention is described about the example with reference to drawings.

1 to 4 show the first embodiment, and FIGS. 5 and 6 show examples of use of the first embodiment.

In the first embodiment, the female member 1, the male member 2,
It is composed of three members including the elastic locking member 3.

As shown in FIGS. 1 (a), (b), FIG. 3 and FIG. 4, the female member 1 has a cylindrical shape, and a flange 4 is provided at the upper end of the outer periphery.
However, each of the male screw portions 5 is provided on the lower portion of the outer periphery, and is formed so as to be fixed by being screwed into a mounting hole 7 which is previously drilled in the first connected member 6.

Further, a connecting hole 8 is penetrated through the center of the female member 1, and a groove portion used for a driver for screwing the female member 1 into the first connected member 6 is provided in an upper end opening portion thereof. 9 is recessed in the radial direction.

Further, in the female member 1, a groove portion 10 into which the elastic locking member 3 is inserted is formed in a substantially middle portion in the longitudinal direction in a substantially U-shaped plane in a plane in a state of communicating with both side portions of the connecting hole 8. Is formed in.

Next, in the male member 2, as shown in FIGS. 2 (a), (b), FIG. 3 and FIG. 4, the center of the lower surface of the head 12 provided with the groove portion 11 for inserting a tool on the upper surface. From the part, the connecting rod 13 has a cylindrical shape,
Moreover, it is droopingly formed integrally.

The connecting rod 13 is formed so that it can be inserted into and removed from the connecting hole 8 of the female member 1, and is pushed into the connecting hole 8 so that the elastic locking member 3 will be described in detail later. The head 14 at the tip is formed into a truncated cone shape so that it can be pushed and spread, and the elastic locking member 3 which is on the upper outer periphery of the head 14 and is inserted and held in the groove 10 of the female member 1 is held. The engaging portion 15 is annularly recessed at a position corresponding to.

The elastic locking member 3 is formed by bending a piano wire into a substantially U shape so as to have a spring property, and is held by being inserted into the groove portion 10 of the female member 1 described above.

That is, in the elastic locking member 3, the substantially central portions of both leg portions 3a, 3a have the connecting hole 8 and the groove portion as clearly shown in FIG.
In such a state that the required size (the depth of the locking portion of the male member) is projected into the connecting hole 8 from the communicating portions 10a, 10a with 10 and is elastically deformable outward, and in the vertical direction. Is installed in the groove portion 10 in a state in which the movement of the is blocked.

Therefore, when the connecting rod 13 of the male member 2 is pushed into the connecting hole 8 of the female member 1, the head portion 14 at the tip abuts on both leg portions 3a, 3a of the elastic locking member 3 so that the outer side of the leg portion 3a. By elastically deforming, the both legs 3a, 3a and the locking portion 15 of the connecting rod 13 are locked.

Although the U pin is used as the elastic locking member 3 in the present embodiment, it is also possible to use two straight pins or a torsion spring (not shown) in addition to this.

Further, the fastening releasing means is provided between the male member 2 and the facing portion of the second connected member 16 which is to be connected to the first connected member 6.
17 are formed.

The fastening release means 17 is of a screw type in this embodiment.

That is, as shown in FIG. 2 and FIG. 3, the fastening releasing means 17 is screwed to the male screw portion 17a provided on the outer periphery of the base of the connecting rod 13 of the male member 2 and the male screw portion 17a. It is formed by a screw hole 17b penetrating the second connected member 16.

Therefore, in this case, when the male member 2 is rotated (screwed) in the direction of the arrow i in the drawing in the connected state of the first and second connected members 6 and 16 shown in FIG. The male member 2 is retracted upward with respect to the second connected member 16 in the figure, whereby the locked state between the elastic locking member 3 and the locking portion 15 is released.

FIG. 5 and FIG. 6 show an example of use in which the hinge 18 is attached to the first embodiment described above.

In this case, the door 19 and the side plate 20 such as a cabinet to which the door 19 is attached are fixed in advance by screwing a required number of female members 1 ...
a and the screw holes 18c of the socket 18b are screwed with a required number of male members 2 at the required positions, and in this state, the connecting holes of the female members 1 ... Each male member 2 ...
By pushing in each of the connecting rods 13 ..., the elastic locking member (not shown) and the locking portion 15 are engaged with each other, and the male and female members are engaged.
2, 1 are fastened to each other so that the door 19 and the socket 18b and the side plate 20 and the main body 18a are connected, and the door 19 is attached to the side plate 20 by the hinge 18.

Further, as a usage example, in addition to the above-described hinged door mounting, the present invention can be applied to general door holders, stays (not shown) mounted to a wall or the like.

Further, the female member 1 and the male member 2 described above can be molded with a metal material or a synthetic resin.

7 to 9 show second and third embodiments in which a cam type is adopted as the fastening releasing means 17.

In the second embodiment shown in FIGS. 7 and 8, the lower surface of the head 12 of the male member 2 and the washer 21 interposed between the head 12 and the second connected member 16 are opposed to each other. The fastening release means 17 is formed by symmetrically forming cams 17c and 17d having step portions 17e in the axial direction (vertical direction in the drawing) on the surface so as to be inclined in the circumferential direction.

In the third embodiment shown in FIG. 9, a circular protrusion 12a is integrally provided on the lower surface of the head 12 of the male member 2 while the cylindrical portion 16a is provided on the upper surface of the second connected member 16. The fastening release means 17 is formed by integrally projecting and forming cams 17c and 17d having a step portion 17e in the axial direction on the opposing surfaces of the projecting portion 12a and the cylindrical portion 16a so as to be inclined symmetrically in the circumferential direction. is doing.

Therefore, in both the second and third embodiments described above, the connecting rod 13 is inserted into the mounting hole 16b penetrating the second connected member 16,
The second member 16 to be connected is supported by the male member 2, and both cams 17c, 17c
When the connecting rods 13 are pushed into the connecting holes 8 of the female member 1 in the state where d is matched, the elastic locking member 3 and the locking portion are
15 and 15 are engaged, and as shown in FIGS. 7 and 9, the first and second
Both connected members 6 and 16 are connected.

In the connected state, when the male member 2 is rotated in the direction of arrow i shown in FIGS. 7 and 9, both cams 17c and 17d slide on the respective inclined surfaces, and the male member 2 is moved upward only by the step portion 17e. By retreating, the fastening of both male and female members 2, 1 is released,
The connection between the first and second connected members 6 and 16 is released.

FIG. 10 shows a tip head portion 14 of the connecting rod 13 in the male member 2.
And a modified example of the locking portion 15.

As shown in the same figure, the head portion 14 is formed in a substantially hemispherical shape, the locking portion 15 is formed in an upward annular shape at the base end thereof, and at the tip end portion of the connecting rod 13, in the diametrical direction. slit
By providing 13a, the tip end of the connecting rod 13 is provided with a diametrical spring property so that it can be easily pushed and locked in the connecting hole 8 of the female member 1.

In each of the above-described embodiments, the elastic locking member 3 is provided on the female member 1 and the locking portion 15 is provided on the male member 2. However, on the contrary, the elastic locking member 3 is provided on the male member 2. Arrange the stop member 3,
It is also possible to provide the female member 1 with the locking portion 15.

Next, in the embodiment shown in FIG. 11, the elastic locking member 3 clearly shown in FIG. 12 is used, and accordingly, the female member 1 and the male member 2 are It is slightly different from that of the previous embodiment as follows.

That is, the elastic locking member 3 is formed by connecting a pair of parallel U-shaped bullet pieces 3b, 3b at their base ends by the seat pieces 3c, 3c, and 3d, 3d in the figure are the U-shapes. The upper edge of the bullet-shaped part 3b, 3b
3e and 3e respectively show the lower end edges of the bullet pieces 3b and 3b, and the seat pieces 3c and 3c are provided with mounting holes 3f and 3f.

The elastic locking member 3 is fitted from the lower end side of the female member 1 as shown in FIG. 11 to the mounting protrusions 1a, 1a projecting from the lower end surface of the female member 1 as described above. Hole 3f, 3f
The elastic locking member 3 is fixed to the female member 1 by this, and the U-shaped bullet piece portions 3b, 3b of the member 3 are incorporated in the female member 1.

Therefore, the male member 2 as shown in the figure is replaced with the female member 1 as in the previous embodiment.
The male member 2 is fitted with a downward end edge 13b around the connecting rod 13 thereof, and at the upper part of the head 14, an upward end edge is provided. 14a is installed so as to be inclined so as to descend toward the outside.

Therefore, by fitting the male member 1 as described above,
14 enters between the U-shaped bullet pieces 3b, 3b of the elastic locking member 3 and pushes the bullet pieces 3b, 3b outward, so that the upward end edge 14a is finally moved. , The lower end edge 13b of the male member 1 is engaged with the lower end edges 3e, 3e, and
By engaging the upper edges 3d and 3b of the b and 3b, the male member 1 is moved to the second position.
The member 16 to be connected is fastened to the first member 6 to be connected.

<Effects of the Invention> Since the present invention is configured as described above, it is possible to design such that the fastening of the female member and the male member cannot be easily removed, and therefore, both the male and female members can be designed. The fastening strength can be made as strong as a wood screw or a tapping screw, and furthermore, it can be easily removed by rotating the male member with a screwdriver etc. by the fastening release means formed between the male member and the connected member or washer. Therefore, by attaching the male member in advance to the connected member, and fixing the female member to the other connected member in advance, the connecting rod of the male member can be connected to the connecting member of the female member. The members to be connected can be firmly attached to each other by a one-touch operation that only pushes them into the holes. As a result, by using the connecting device to attach a hinge, for example, a conventional The problem that the doors and side plates are bulky due to the hinges and plates during transportation, as in the case of the hinge, can help reduce delivery costs.

[Brief description of drawings]

FIGS. 1 to 4 show a first embodiment of a connecting device according to the present invention, and FIGS. 1 (a) and (b) are a plan view and a side view showing the female member, and FIG. (A) (b) is a plan view and a side view of the male member, FIG. 3 is a vertical cross-sectional side view of the male member, and FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. FIG. 6 is a side view in a state before connection showing a usage example of the first embodiment and a side view in a connection completed state, and FIGS. 7 and 8 are side views in a connection state showing the second embodiment. , Side view in uncoupled condition, ninth
FIG. 10 is a side view showing a third embodiment in a connected state, FIG. 10 is a side view showing another embodiment of the connecting rod in the male member, and FIG.
FIG. 12 is a vertical sectional side view showing a connecting and using state showing an embodiment when another elastic locking member is used, and FIG. 12 is a perspective view showing the elastic locking member in the same embodiment.
FIG. 14 and FIG. 14 are side views showing a conventional connecting device in a partial cross section. 1 ... Female member 2 ... Male member 3 ... Elastic locking member 6,16 ... Connected member 8 ... Connection hole 13 ... Connection rod 15 ... Locking part 17 ... Fastening releasing means 21 ... ... washers

Claims (1)

[Claims] 1. A female member having a connecting hole and fixed to a first member to be connected, and a male member having a connecting rod which can be inserted into and removed from the connecting hole. , The male and female members are pushed in by the connecting rod into the connecting hole, so that the elastic locking member disposed on one member and the locking portion provided on the other member are locked, so that the axial direction And a second member to be connected is formed so as to be connectable between the two members, and the male member and the second member to be connected or a washer or the like are opposed to each other, and a direction around the axis of the male member is provided. The connecting device is provided with a fastening release means capable of converting the turning force of the above into an axial retreating force of the male member.