JPH09121962A - Frame connecting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply adjust the connecting position and connect frames to each other by engaging the engagement projecting tip parts of a pair of connecting pieces in a connector with an insert groove of one frame, and moving forward and backward a wedge formed between a pair of connecting pieces to make the engagement projecting parts approach and separate from each other to be held in the engagement state. SOLUTION: Engagement piece parts 9 are protrusively attached on the outer peripheral surface of a storing recessed part 8 in a frame 2, and an insert groove 10 is formed between the inner end parts. Further, a pair of connecting pieces 14 of a connector 4 in a frame 3 are provided with engagement projecting parts 22 engaged with the engagement pieces 9, and a wedge 26 is formed between a pair of connecting pieces 14. In the case of connecting the frame 3 to a connecting part 6 of the frame 2, when an operating unit 35 is turned by a driver or the like to move backward the wedge 26 and the connecting pieces 14 are forced into the insert groove 10, the connecting pieces 14 are elastically deformed in the close direction by both opening edge parts of the insert groove 10, and when the engagement projecting part 22 projects into the storing recessed part 8, the connecting pieces 14 are returned in the separating direction. Subsequently, the wedge 26 is moved forward by the operating unit 35 to hold the engagement projecting parts 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame connecting device, for example, one in which a plurality of frame members such as a vertical frame member and a horizontal frame member which constitute a furniture main body installed in a kitchen are connected to each other and assembled. Regarding

[0002]

2. Description of the Related Art Conventionally, a furniture body of this type is constructed by vertically connecting left and right vertical frame members and a plurality of metal horizontal frame members to the upper and lower portions of the front, rear, left and right vertical frame members, respectively. However,
The vertical frame member and the horizontal frame member are usually connected by welding the connecting portions of the frame members to each other, by using other connecting metal fittings, or by connecting a plurality of connecting pins. Means are taken.

[0003]

In the conventional means for connecting frame members to each other, it is impossible to easily connect the frame members to each other in the case of welding, and when the connecting metal fittings are used, the frame members to each other are to be connected. It is necessary to form a connecting portion for connecting the connecting metal fittings to each other, and in the case of a plurality of connecting pins, it is necessary to form a plurality of insertion holes for inserting the plurality of connecting pins in the mutual frame bodies. With the conventional frame mutual connecting means, it is not possible to easily connect a plurality of frame bodies to each other, and temporarily fix the other frame body to one frame body to adjust the connecting position of the frame bodies. However, there is a problem in that a lot of work is required when assembling the furniture main body by connecting these frame bodies.

The present invention has been made in view of the above circumstances, and one frame can be easily connected to the other frame, and one frame can be temporarily fixed to the other frame. Therefore, it is an object of the present invention to provide a frame connecting device that can easily adjust and set the connecting position of the frame, and thus has excellent workability as a whole.

[0005]

According to another aspect of the present invention, there is provided a frame body connecting device, wherein one frame body has a connecting portion formed by projecting opposing engaging piece portions with an insertion groove interposed therebetween, and the other frame body. In a frame connecting device in which a connecting tool for connecting to a connecting portion of the one frame is provided at an end of a body, the connecting tool is configured such that base ends thereof are rotatably engaged with each other and face each other. Between the pair of connecting pieces, each of which has a pair of connecting pieces each having an engaging protrusion that engages with an engaging piece that faces the insertion groove of the connecting portion of the one frame body, is provided between the pair of connecting pieces. When engaging with the engagement piece portions of the connecting portion, which are provided so as to be able to move forward and backward, the engaging protrusions of the pair of connecting pieces are moved backward so as to be movable toward each other. When the engaging projections of the pair of connecting pieces are engaged with the joint piece, they are advanced to maintain the engaging projections of the pair of connecting pieces in an engaged state in which they are separated from each other. A wedge body which is obtained by and a wedge operating mechanism for advancing and retracting movement of the wedge.

Then, by operating the wedge body operating mechanism and retracting the wedge body by the wedge body operating mechanism, the engaging projections of the pair of connecting pieces can be moved toward each other. The engaging protrusion of the connecting piece is press-fitted into the insertion groove of the one frame, and the engaging protrusion engages with the opposing engaging piece. Further, when the wedge body is advanced by the wedge body operating mechanism, the engagement state in which the engagement protrusions of the pair of coupling pieces are separated from each other by the wedge body and are engaged with the opposite engagement piece portions Retained. Therefore, the connecting portion easily connects the connecting portion of one frame body to the end portion of the other frame body.

According to a second aspect of the present invention, there is provided the frame connecting device according to the first aspect.
In the frame body connecting device described above, the wedge body operating mechanism is configured so that a cam surface of an outer peripheral portion is engaged with an engaging concave portion formed in the wedge body so that one connecting piece is rotatable at an eccentric position of one side portion. A cam body having a fitted support projection and a fitting projection having a rectangular cross section located on the other side on the axis of the support projection, and fitted to the fitting projection of the cam body And an operating body rotatably inserted through the other connecting piece.

When the cam body is eccentrically rotated by the operating body, the engagement concave portion of the wedge body is pushed by the cam surface of the cam body, and the wedge body forms a pair of connecting pieces. It is moved back and forth with respect to the tip.

According to a third aspect of the present invention, there is provided the frame connecting device according to the first aspect.
Alternatively, in the frame connecting device described in 2, the operating body is rotatably inserted into a guide hole formed at the end of the other frame, and the operating portion is formed at the outer end thereof. .
Then, by rotating the operating portion of the operating body from the outside of the other frame, the cam body is easily eccentrically rotated by this operating body, and the wedge body is formed by the tip portions of the pair of connecting pieces. Is moved back and forth against.

[0010]

An embodiment of the present invention will be described below with reference to the accompanying drawings.

Reference numeral 1 denotes a frame connecting device, which is a frame connecting device 1
Is one frame body 2 in the up-down direction, the other frame body 3 in the left-right direction connected to this one frame body 2, and the other frame body 3 fitted and projected on both ends of the other frame body 3. And a connecting tool 4 for connecting the frame body 3 to the one frame body 2.

The one frame 2 is formed of a mold material 5 into a substantially rectangular cross section and a substantially prismatic shape, and a vertical first connecting portion 6 is formed on one side thereof. A second connecting portion 7 in the up-down direction is formed on the other side portion adjacent to the connecting portion 6. Each of the first connecting portion 6 and the second connecting portion 7 has a housing concave portion 8 whose outer surface is opened in the vertical direction, and an engaging piece portion 9 facing the outer surface portion of the housing concave portion 8 is provided with an insertion groove 10. Formed in such a manner as to be protruded with respect to each other, that is, the engaging piece portions 9 in the up-and-down direction are respectively provided so as to be opposed to the outer surface portions of both accommodation recesses 8, and the inner end portions of the opposite engaging piece portions 9 are opposed to each other. Insertion grooves 10 are respectively formed in the.

The other frame 3 is formed into a prismatic shape having a hollow portion 12 having a rectangular cross section with a mold material 11, and the hollow portion 12 is formed on one side near both ends thereof. Circular guide holes 13 that communicate with each other are formed. The connecting tool 4 is fitted and projected on both ends of the hollow portion 12 of the other frame 3.

Next, the connecting tool 4 has a pair of left and right connecting pieces 14 which are arranged in parallel to each other. The pair of connecting pieces 14 each have a parallel horizontal part 15 facing the middle part thereof.
The rear end portions are respectively formed with rear inclined portions 16 that are inclined at a predetermined inclination angle toward each other, and one rear inclined portion 16 has a rear end portion (proximal end portion) which is engaged with the rear end portion. A mating groove 17 is formed, and the rear end (base end) of the other rear side inclined portion 16 is formed.
An engaging projecting piece 18 is rotatably engaged with the engaging groove 17 and is projectingly provided. Further, a round hole 19 is formed in the middle portion of the one connecting piece 14, and an insertion hole 20 is formed in a position corresponding to the round hole 19 in the middle portion of the other connecting piece 14.

The horizontal portion of the pair of connecting pieces 14
A front side inclined portion 21 inclined at a predetermined inclination angle in a direction approaching each other is formed at a front end portion of each 15, and a front end portion of the front side inclined portion 21 has the first connecting portion 6 and the second connecting portion 6 Engaging projections 22 that project from the insertion groove 10 of the connecting portion 7 into the accommodating concave portion 8 and engage with the opposing engaging piece portions 9 are integrally bent.

The engaging projections 22 are formed so as to project outwardly from the front ends of the front sloped portions 21 in a generally mountain-shaped cross section. 23 are formed respectively toward the front. A contact recess 25 is formed between the engagement protrusion 22 and the tip of the front sloped portion 21 so as to contact the opening edge 24 of the opposing engagement piece 9.

The connecting tool 4 is the pair of connecting pieces.
A wedge body 26 is provided between 14 horizontal portions 15 so as to be movable back and forth. The wedge body 26 has a wedge main body 27 formed in a substantially rectangular shape, and a tip end portion of the wedge main body 27 is detachably engaged between the front end portions of the front side inclined portions 21 of the pair of connecting pieces 14. Mating wedge protrusion 28
Are formed integrally with each other, and the wedge projection 28 is formed in a tapered shape that gradually expands rearward.

Further, the wedge main body 27 is formed with a substantially cylindrical engagement recess 30 having a notch 29 whose one side is cut open, and a rectangular guide passage penetrating the bottom of the engagement recess 30. Hole
A guide surface 32 that also serves as a stopper is formed at the opening edge portion of 31.

Further, the connecting tool 4 has a wedge body operating mechanism 33 for moving the wedge body 26 forward and backward. The wedge body operating mechanism 33 includes a cam body 34 rotatably fitted in the engagement recess 30 of the wedge body 26, and an operating body 35 for rotating the cam body 34.
And

The cam body 34 is formed in a disk shape, and a cam surface 36 which engages with the inner wall surface 30a of the engagement recess 30 of the wedge body 26 is formed on the outer peripheral portion thereof, and one side portion thereof is formed. At an eccentric position, a columnar support projection 37, which is rotatably fitted and supported in the round hole 19 of the one connecting piece 14, is integrally projected, and the support projection 37 is provided on the other side portion. A fitting projection 38 having a prismatic shape and a rectangular cross-section is integrally provided so as to be located on the axis center of.

The operating body 35 is formed into a cylindrical shape having an outer shape that is rotatably inserted into the insertion hole 20 of the other connecting piece 14, and the fitting projection of the cam body 34 is provided at one end thereof. A hollow fitting hole 39 having a rectangular cross section that is detachably fitted to the 38 is formed, and a polygonal hollow operation portion is provided at the other end (outer end).
40 is formed, and the outer end portion of the operation body 35 on the operation portion 40 side is rotatably inserted into the guide hole 13 formed in the other frame body 3.

Next, the operation of the above embodiment will be described.

When the connecting tool 4 is connected to the end portion of the other frame 3 and is projected, the cam body 34 is fitted into the engaging recess 30 of the wedge body 26 so that the cam body 34 is fitted. The side surface on the side of the fitting protrusion 38 of this is abutted against and supported by the guide surface 32 of the engagement recess 30,
The support protrusion 37 of 34 is arranged outside the engagement recess 30, and the fitting protrusion 38 of the cam body 34 protrudes into the guide through hole 31.

Further, one side surface portion of the wedge body 26 is brought into contact with the horizontal portion 15 of the one connecting piece 14 in which the engaging protrusion 22 is arranged on the side of the wedge protrusion 28 of the wedge body 26 so that the cam body 34 is contacted. The support protrusion 37 is fitted into the round hole 19 of the horizontal portion 15. In addition, the rear inclined portion 16 of the other connecting piece 14 is provided in the engagement groove 17 of the rear inclined portion 16 of the one connecting piece 14.
While engaging the engaging projection piece 18 of this, the other connecting piece 14
The horizontal portion 15 is brought into contact with the other side surface portion of the wedge body 26. As a result, the wedge body 26 containing the cam body 34 is sandwiched between the horizontal portions 15 of the pair of connecting pieces 14, and the wedge protrusion portion 28 of the wedge body 26 is held.
Are arranged between the front side inclined portions 21 of the pair of connecting pieces 14.

Also, with the wedge body 26 containing the cam body 34 sandwiched between the horizontal portions 15 of the pair of connecting pieces 14, the pair of connecting pieces 14 is moved from the rear side inclined portion 16 to the other frame body. The guide hole in which the insertion hole 20 of the horizontal portion 15 of the other connecting piece 14 of the pair of connecting pieces 14 is formed in the side portion of the other frame body 3 by being inserted into the hollow portion 12 of the other frame 3. It communicates with the hole 13.

Further, the operating body 35 is inserted from the guide hole 13 of the other frame body 3 into the insertion hole 20 of the other connecting piece 14, and the cam body 34 is fitted in the fitting hole 39 of the operating body 35. The projecting body 38 is fitted, and the outer end portion of the operating body 35 is engaged with and supported by the guide hole 13 of the other frame body 3.

Then, the connecting member 4 is connected to the end portion of the other frame body 3 by the operating body 35 and is supported so as not to come off, and the operating portion 40 of the operating body 35 is provided on the side portion of the other frame body 3. It is exposed so that it can be rotated, and at the end of the other frame 3 is a connector 4
The tip ends of the pair of connecting pieces 14 are projectingly provided.

Further, when the tip ends of the pair of connecting pieces 14 of the connecting tool 4 are projectingly provided on the end portions of the other frame body 3, between the tip portions of the front side inclined portions 21 of the pair of connecting pieces 14. When the wedge protrusion 28 of the wedge body 26 is fitted, a turning operation tool such as a screwdriver is fitted to the operation portion 40 of the operation body 35 exposed on the side portion of the other frame body 3. When the operation body 35 is rotated by the rotation operation tool,
The cam body 34 is eccentrically rotated about the support protrusion 37, and the inner wall surface 30a of the engaging recess 30 of the wedge body 26 is pushed by the cam surface 36 of the cam body 34, and the wedge body 26 As the wedge protrusions 28 of the wedge body 26 are retracted.
Is retracted from between the tips of the.

Then, the wedge protrusion 28 of the wedge body 26 is a pair of connecting pieces.
The front ends of the front sloped portions 21 of the pair 14 are disengaged from each other, and the support of the front ends of the pair of front sloped portions 21 is released, so that the engagement protrusions 22 of the front ends of the pair of connecting pieces 14 come close to each other. It is elastically deformed in the direction and becomes movable.

Therefore, the connector 4 is easily fitted and held on one end of the other frame 3 in a state in which the tips of the pair of connecting pieces 14 are projected, and the tips of the pair of connecting pieces 14 are connected. The engaging projections 22 are easily set in a state in which they can be elastically deformed in the directions in which they approach each other. Further, similarly to the above case, the connector 4 is easily fitted and held on the other end of the other frame 3 in a state in which the tip portions of the pair of connecting pieces 14 are projected, and the pair of connecting pieces 14 is connected. The engaging projections 22 at the tips of 14 are easily set in a state in which they can be elastically deformed in the proximity direction.

Next, among the first connecting portion 6 and the second connecting portion 7 of the one frame body 2, for example, the first connecting portion 6 of the one frame body 2 and the other frame body 3 are connected. When connecting the one ends, the tip ends of the pair of connecting pieces 14 of the connecting tool 4 fitted and fixed to the one end of the other frame 3 are inserted into the insertion groove 10 of the first connecting portion 6. Then, the front inclined portions of the engaging projections 22 of the pair of connecting pieces 14 are brought into contact with both opening edge portions 24 of the insertion groove 10.

Then, when the pair of connecting pieces 14 are strongly pushed into the insertion groove 10 of the first connecting portion 6, the front end portions of the pair of connecting pieces 14 come close to each other at both opening edge portions 24 of the inserting groove 10. Direction, the engaging projections 22 at the tips of the pair of connecting pieces 14 pass through both opening edge portions 24 of the insertion groove 10 and project into the accommodating recessed portion 8, and the pair of connecting portions 14 are connected. The tips of the pieces 14 are returned in a direction in which they are separated from each other, and the pair of connecting pieces
The engaging protrusions 22 at the tips of 14 are engaged with the inner sides of the opposite engaging pieces 9.

Therefore, by pushing the tip portions of the pair of connecting pieces 14 of the connecting tool 4 into the inserting groove 10 of the first connecting portion 6, the connecting tool 4 is inserted into the inserting groove 10 of the first connecting portion 6. The engaging projections 22 at the tips of the pair of connecting pieces 14 are easily inserted.

Next, a rotary operation tool such as a driver is fitted to the operation portion 40 of the operation body 35 exposed on the side portion of the other frame 3, and the operation body 35 is rotated by this rotation operation tool. When operated, the cam body 34 is eccentrically rotated about the support protrusion 37, and the cam surface 36 of the cam body 34 engages the engagement recess of the wedge body 26.
The inner wall surface 30a of 30 is pushed, the wedge body 26 is advanced, and the wedge protrusion 28 of the wedge body 26 is advanced between the front end portions of the pair of front side inclined portions 21 to be fitted therein.

Then, the wedge protrusions 28 of the wedge body 26 push the front end portions of the front side inclined portions 21 of the pair of connecting pieces 14 apart from each other, and the front end portions of the pair of front side inclined portions 21 are separated from each other. The contact recess 25 has both opening edge portions 24 of the engaging piece portion 9 of the insertion groove 10 facing each other.
While being pressed into contact with each other, the engaging protrusions 22 of the pair of connecting pieces 14 are easily held in a state of being engaged with the inner side portions of the facing engaging piece portions 9.

Therefore, one end of the other frame body 3 is easily connected and held to the one frame body 2 by the connecting tool 4. Also,
When connecting the other frame member 2 to the other end of the other frame member 3, the connector 4 is used to connect the other frame member 2 to the other end member of the other frame member 3 as in the case described above. Can be easily connected and held.

Next, in the case of connecting one end of the other frame 3 to the second connecting part 7 of the one frame 2, the other of the first connecting part 6 of the one frame 2 is connected. By performing the connecting operation in the same manner as the case of connecting the one end of the frame body 3, the one end of the other frame body 3 is easily connected to the second connecting portion 7 of the one frame body 2.

Next, in the case of assembling furniture to be installed in a kitchen or the like using a plurality of vertical frame bodies 2 and a plurality of horizontal frame bodies 3, one of the left side frame bodies 2 arranged on the left and right sides is assembled. First
One end portion of the other frame body 3 in the left-right direction, which is vertically arranged on the upper end portion and the lower end portion of the connecting portion 6, is connected by the connecting tool 4 as in the case of the above-described embodiment, and the right side one frame is connected. A rectangular frame is formed by connecting the upper and lower ends of the first connecting portion 6 of the body 2 to the other ends of the other upper and lower frame bodies 3 by the connecting tools 4 as in the case of the above-described embodiment. It constitutes the body 41.

Further, the rectangular frame bodies 41 are arranged at a predetermined interval in the front and rear, and the front and rear frame bodies 2 located on the left and right portions of the front and rear rectangular frame bodies 41 are connected to each other to face each other. The furniture main body 42 is constructed by connecting both ends of the other frame body 3 arranged vertically at the upper end and the lower end of the part 7 by the connecting tools 4 as in the case of the above-described embodiment.

Further, a pair of left and right guide rails 43 in the front-rear direction are horizontally disposed in the inner portions of the front and rear frame bodies 2 located on the left and right portions of the furniture main body 42 at predetermined intervals in the vertical direction. The furniture 45 is formed by arranging the guide rails 43 in a vertical shape and engaging the left and right edge portions of the basket 44 for storing kitchen utensils in the front-rear direction with a pair of left and right guide rails 43 positioned vertically.

Therefore, a plurality of vertical frame bodies 2,
The furniture 45 is configured by simply assembling the frame bodies 2 and 3 by connecting the plurality of frame bodies 3 in the left-right direction that are connected to the frame bodies 2 with the connector 4. Then, by putting the upper and lower baskets 44 in and out, kitchen appliances can be easily stored in and taken out of the baskets 44.

[0042]

According to the invention of claim 1, the connector for connecting one frame body to the other frame body is provided with the base end portions pivotably engaged with each other so as to be opposed to each other. And a pair of connecting pieces each having an engaging projection that engages with an engaging piece opposite the insertion groove of the connecting portion of one frame body, and is provided between the pair of connecting pieces so as to be movable back and forth. When engaging with the opposite engaging piece portions of the connecting portion, the engaging protruding portions of the pair of connecting pieces can be moved backward to move toward each other, and the engaging protruding portions of the connecting portion can be paired with each other. And a wedge body for advancing and retaining the engaging projections of the pair of coupling pieces in an engaged state in which the engaging projections of the pair of coupling pieces are separated from each other when the engaging projections of the coupling piece are engaged with each other. Since it has a body operation mechanism, the wedge body operation mechanism is operated to move the wedge body forward and backward, so that one frame body and the other frame body can be simplified by the connecting tool. It is possible to connect and hold to one frame body, there is no need to mold a connecting part for connecting the other frame body to one frame body, and temporarily connect the other frame body to one frame body and connect the frame body The position can be easily adjusted and set, the furniture main body can be easily assembled by connecting these frame bodies, and therefore, a frame body connecting device having excellent workability as a whole can be provided.

According to the second aspect of the present invention, in the wedge body operating mechanism, the cam surface of the outer peripheral portion is engaged with the engaging concave portion formed in the wedge body, and the eccentric position of one side portion is provided. A cam body having a supporting projection that is rotatably fitted and having a fitting projection on the other side that is located on the axis of the supporting projection and has a rectangular cross section, and a fitting projection for the cam body. Since the operation body is fitted to the body and rotatably inserted into the other connecting piece, the operation body is rotatably operated to eccentrically rotate the cam body so that the wedge body is formed by the cam body. It can be reliably advanced and retracted, and the engaging projections of the pair of connecting pieces can be easily and surely engaged with and disengaged from the connecting portion of the one frame body, and its configuration is also simple. The connecting operation for connecting the frame bodies is easy.

According to the third aspect of the invention, the operating body is rotatably inserted into the guide hole formed at the end of the other frame, and the operating portion is formed at the outer end thereof. With this operating body, it is possible to surely connect and support the connecting tool protruding from the end portion of the other frame body, and the operating body can be easily rotated from the outer side portion of the other frame body. .

[Brief description of the drawings]

FIG. 1 is a perspective view of a frame connection device showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the same connector.

FIG. 3 is a plan view of the same coupling tool.

FIG. 4 is a side view of the same.

FIG. 5 is a cross-sectional view showing a state in which the upper frame bodies are connected to each other.

FIG. 6 is a cross-sectional view showing a state in which the upper frame bodies are connected to each other.

FIG. 7 is a front view of furniture supporting the basket.

[Explanation of symbols]

 2 One frame 3 The other frame 4 Connecting tool 6 First connecting part 7 Second connecting part 9 Engaging piece part 10 Insertion groove 13 Guide hole 14 Connecting piece 22 Engaging protrusion 26 Wedge body 30 Engaging Recessed portion 33 Wedge body operating mechanism 34 Cam body 35 Operating body 36 Cam surface 37 Supporting projection 38 Fitting projection 40 Operating section

Claims (3)

[Claims] 1. A connecting portion is formed on one of the frame bodies, in which opposing engaging piece portions are provided so as to protrude with an insertion groove interposed therebetween, and an end portion of the other frame body is connected to the connecting portion of the one frame body. In a frame connecting device in which a connecting tool for connecting is provided in a projecting manner, the connecting tool is arranged to face each other by rotatably engaging the base end portions with each other, and the connecting end portion of the connecting portion of the one frame body A pair of connecting pieces each having an engaging protrusion that engages with the engaging piece that faces the insertion groove, and an engaging piece that is provided between the pair of connecting pieces and is capable of moving forward and backward. When engaged with each other, the engaging projections of the pair of connecting pieces are moved backward so that the engaging projections of the pair of connecting pieces are movable toward each other. When mated, a wedge body that advances to hold the engaging projections of the pair of connecting pieces in an engaged state in which they are separated from each other, and a wedge body operation for moving the wedge body forward and backward Frame coupling apparatus characterized by comprising a structure. 2. A wedge body operating mechanism, wherein a cam surface of an outer peripheral portion is engaged with an engaging concave portion formed on the wedge body, and one coupling piece is rotatably fitted to an eccentric position of one side portion. A cam body having a support projection and a fitting projection having a rectangular cross section located on the other side on the axis of the support projection; and the other of the cam bodies fitted to the fitting projection of the cam body. The frame body connecting device according to claim 1, further comprising an operating body rotatably inserted through the connecting piece. 3. The operating body is rotatably inserted into a guide hole formed at an end portion of the other frame body, and an operating portion is formed at an outer end portion thereof. Alternatively, the frame connecting device according to item 2.