JP4616191B2 - Floor joint device - Google Patents

Description

  The present invention relates to a floor joint device that covers a space between floor frames provided via joint portions.

Conventionally, this type of floor joint device needs to be twice as large as the clearance between the left and right frames (clearance) in order to absorb shaking motion such as an earthquake. Therefore, for example, when plus or minus 500 mm is required, the width of the main body needs to be 1000 mm or more and substantially 1200 mm. This does not cause a problem when the left and right housings are separated from each other. However, if there is a wall or pillar in the vicinity, the dimension between the wall and the pillar of 1700 mm is a necessary condition. There was a drawback that could not.
nothing special

An object of the present invention is to provide a floor joint device that can absorb a large swaying motion without causing a gap in the joint portion even in the case of a small width dimension.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

To achieve the above object, according to the present invention, a floor case on one joint part side through a joint part is rotated in a horizontal direction at a front end part whose rear end part projects to the floor case side on the other joint part side. At least two or more rectangular plate-like brackets that can be attached , and a joint portion between the brackets that is supported by the upper surface of the at least two or more brackets and pivotally supported at the tip of the brackets A joint cover that covers the joint, a bracket urging mechanism in which tip ends of the at least two brackets always urge toward the floor housing on the other joint portion side, and a rear end on the floor housing on the other joint portion side A joint device for a floor is constituted by a joint plate supported by a floor frame on the one joint portion side, with a tip portion to which a portion is attached and which can slide on the joint cover.

In the present invention, a joint plate support concave portion formed on the joint portion side of one floor frame through the joint portion, the joint portion supporting side formed on an inclined surface, and a tip portion supported by the joint plate support concave portion, A joint cover whose end is located on the side of the floor joint on the other joint part side, and a rear end part that can be supported by the tip part so that the rear end part of this joint cover can be rotated and moved up and down, At least two or more rectangular plate-shaped brackets pivotally supported by the floor frame on the one joint portion side and capable of supporting the joint cover on the upper surface, and at least two or more brackets or the joint cover are always provided. An urging mechanism for urging in the direction of the other floor casing, and a tip end portion slidably movable on the joint cover, the rear end portion of which is attached to the floor casing on the other joint section side so as to be vertically movable is the joint. Tilt of plate support recess Constitute a floor joint device between joint plate surfaces can slide movement.

  As is clear from the above description, the present invention has the following effects.

(1) According to claim 1, when the joint portion becomes narrow due to an earthquake or the like, the joint cover and the joint plate enter the floor frame on one joint portion side to absorb the shaking motion, and the joint portion When the width of the joint plate increases, the tip of the joint plate slides on the joint cover, and the shaking movement can be absorbed without causing a gap in the joint portion.
Therefore, from the state where the width of the joint portion is eliminated, it is possible to absorb a swinging motion in which the width dimension of the joint portion is about twice, and even if the joint portion is narrowed, only the width dimension of the joint portion is Install the joint plate safely if the joint plate does not enter the floor frame on the side of the joint and the boundary line, wall, pillar, etc. are separated from the joint end by the width of the joint. Can do.
Therefore, it is possible to achieve downsizing and compactness, and it is possible to safely and reliably absorb the shaking motion.

(2) According to the above (1), since the structure is simple, it can be easily installed.

(3) When the shaking motion is stopped by the above (1), the original state can be automatically restored.
Therefore, it can be used safely without checking every earthquake.

(4) In claim 2, the same effects as in the above (1) to (3) can be obtained, and the upper surface of the joint plate can be positioned on the same plane as one floor surface and the other floor surface in normal times.

  Hereinafter, the present invention will be described in detail with reference to the best mode for carrying out the invention shown in the drawings.

  In the first preferred embodiment for carrying out the present invention shown in FIGS. 1 to 8, reference numeral 1 denotes a floor joint device of the present invention. This floor joint device 1 is one floor frame through a joint portion 2. 3, the joint plate support concave portion 5 having the inclined surface 4 on the side opposite to the joint portion, the rear end portion supported by the joint plate support concave portion 5, and the front end portion of the floor frame on the other joint portion side. The joint cover 7 located on the side of the joint 6 and the rear end portion of the joint cover 7 that can be pivoted and supported by the distal end portion so as to be movable up and down are the floor frame on the one joint portion side. 3 at least two brackets 9 and 9 pivotally supported by a pivot bracket 8 so as to be horizontally rotatable, and at least the two or more brackets 9 and 9 or the joint cover 7 are always attached to the other bracket. An urging mechanism 10 for urging in the direction of the floor frame 6 and the other joint portion The rear end to the joint plate support portion 11 formed in the floor precursor 6 is mounted for vertical movement, and a joint plate 12 capable of sliding movement on said joint cover 7.

  As shown in FIG. 3, the at least two brackets 9, 9 are a rectangular plate-shaped bracket body 13 and the one joint portion attached to the upper and lower portions of the rear end portion of the bracket body 13. The joint cover 7 fixed to the upper and lower parts of the front end portion of the bracket body 13 and the hinge members 15 and 15 as the pivotal support metal 8 fixed to the floor casing 3 on the side with a plurality of tapping screws 14 and the like. A guide pipe 18 and a locking pipe 19 for guiding a push-up bar 17 interposed with a coil spring 16 that presses and presses the joint cover 7 attached to the bottom surface near the rear, and for locking the lower end; The bracket body 13 is configured with a stopper 20 that stops in an inclined state so that the bracket body 13 can be smoothly rotated by the floor frame 6 on the other joint portion side when the joint portion becomes narrow. To have.

  As shown in FIG. 4, the urging mechanism 10 has one pivot pin 21 fixed to a substantially central portion of the bracket body 13, and a central portion in which one end portion is pivotally supported by the one pivot pin 21. Is pivotally supported by a central pivot pin 22 so as to be pivotable, and the other pivot pin 24 fixed to the floor frame 3 on the one joint portion side pivotally supporting the other end of the link 23. The link 23 is always in a straight line state, with one end attached to the central portion of the link 23 or the central pivot pin 22 and the other end fixed to the floor frame 3 on the one joint portion side. And a coil spring 25 that urges the

  As shown in FIG. 6, the joint plate 12 has a joint plate body 27 formed on an inclined surface 26 so that a tip portion thereof is in surface contact with the inclined surface 4 of the joint plate support recess 5, and the joint plate main body 27. The support pins 28, 28 fixed to the joint plate support portion 11 are formed on the bottom surface near the rear end portion, and support pin insertion holes 29, 29 into which the support pins 28 are inserted in a loosely inserted state.

As shown in FIG. 2, the floor joint device 1 having the above structure normally covers the joint portion 2 with a joint plate 12 so that the bottom surface of one floor housing 3 and the bottom surface of the other floor housing 6 are substantially the same. It is in the state.
At this time, the joint cover 7 is in close contact with the joint plate 12 without pushing up the joint plate 12 by the push-up rod 17 pushed upward by the coil spring 16.
When the joint portion 2 is widened due to an earthquake or the like, the other floor case 6 is separated from the one floor case 3 as shown in FIG. 7, so that the joint plate 12 slides on the joint cover 7, Even if it moves until it becomes almost twice the width dimension of the joint part at the time, the joint part 2 can be covered with the joint plate 12 and the joint cover 7, and the joint part can be covered without generating a gap.
Further, when the joint portion 2 becomes narrow due to an earthquake or the like, the other floor housing 6 approaches the one floor housing 3 as shown in FIG. 8, and therefore the joint cover 7 and joint plate 12 are provided by the other floor housing 6. Rides on one floor housing 3 and slides until the brackets 9 and 9 are in the minimum storage state, but the joint cover 7 and joint plate 12 that run on one floor housing 3 are joint portions 2 at most. Since it rides by the width dimension, the ride dimension can be reduced. In this case, the rear end portion of the joint cover 7 and the rear end portion of the joint plate 12 move upward.

When the joint portion 2 is narrowed, the rear end portion of the joint cover 7 is rotated in the front-rear direction by the rotation of at least two brackets 9, 9, but there is an extra space in the front-rear direction. It can be used sufficiently in places.
Further, a concave guide rail 30 is provided on the bottom surface of the substantially central portion of the joint cover 7, and a pin 31 that engages with the guide rail 30 is provided in the joint plate support concave portion 5, so that the position close to the tip of the joint cover 7. Can be moved in a regulated state.
[Different forms for carrying out the invention]

  Next, different modes for carrying out the present invention shown in FIGS. 9 to 25 will be described. In the description of these different modes for carrying out the present invention, the same components as those in the best mode for carrying out the present invention are designated by the same reference numerals and redundant description is omitted. To do.

The second embodiment for carrying out the present invention shown in FIG. 9 to FIG. 14 is mainly different from the best first embodiment for carrying out the present invention in that the tip of the joint cover 7 is placed on one side. While being supported on the floor surface of the floor frame 3, the rear end portion is pivotally supported by the pivot pins 32 and 32 on the distal end portions of at least two brackets 9 and 9, and the rear end portion of the joint plate 12A is supported on the other floor. Even in the floor joint device 1A configured as described above, the joint plate 12A covering the joint portion is higher than both floor surfaces in terms of being fixed to the floor surface of the housing 6 on the joint portion side. The same effects as those of the first embodiment for carrying out the present invention can be obtained.
Note that both end portions of the joint plate 12A are formed on inclined surfaces 33 and 33 whose lower portions protrude outward.

In the floor joint device considered by the present inventor shown in FIGS. 15 to 20, the main difference from the first embodiment for carrying out the present invention is that the floor side of the floor frame 3 is on the joint portion side. A support plate 34 fixed so as to be positioned in a substantially horizontal direction below the floor surface, a lower end portion thereof is pivotally supported by a pivot pin 35 at a predetermined interval, and a tip end portion thereof is a pivot pin 36. A bracket 9A comprising a plurality of support bars 37 pivotally supported on the bottom surface of the rear end portion of the joint cover 7 and a stopper wire 38 for preventing the plurality of support bars 37 from rotating more than necessary. In this respect, the floor joint device 1B configured as described above may be used.
The bracket 9A or the joint cover 7 is locked with the stopper wires 38 in order to return the joint cover 7 to the original state when the joint portion becomes narrow and returns to the original state. A biasing mechanism 10A using a coil spring 40 that interposes a spring 39 between the support bar 37 and one floor casing 3 or biases the other floor casing 6 in a direction so that it can be biased until it is pressed. It is used.

The third embodiment for carrying out the present invention shown in FIGS. 21 to 25 is mainly different from the best first embodiment for carrying out the present invention in that at least two brackets 9, 9 are used. Between the bracket body 13 on one joint portion side and the substantially central portion of the bracket bodies 13 and 13 of the at least two brackets 9 and 9, the bracket body 13 and 13 are always placed on the floor on the other joint portion side. A floor joint constructed in this way in that it uses an urging mechanism 10B using a spring that urges the casing 6 so as to protrude in the direction of the housing 6 and a stopper 20 that stops the bracket bodies 13 and 13 in a predetermined inclined state. Even with the apparatus 1C, the same effects as those of the best first embodiment for carrying out the present invention can be obtained.

  The present invention is used in the industry for manufacturing floor joint devices.

The top view of the best 1st form for implementing this invention. The expanded sectional view which follows the 2-2 line of FIG. Explanatory drawing of the bracket of the best 1st form for implementing this invention. Explanatory drawing of the urging | biasing mechanism of the best 1st form for implementing this invention. Explanatory drawing of the joint cover of the 1st best form for implementing this invention. Explanatory drawing of the joint plate of the best 1st form for implementing this invention. The operation explanatory view in which the joint part of the best 1st form for carrying out the present invention became wide. The operation explanatory view in which the joint part of the best 1st form for carrying out the present invention became narrow. The top view of the 2nd form for carrying out the present invention. The expanded sectional view which follows the 10-10 line of FIG. Explanatory drawing of the attachment state to the bracket of the joint cover of the 2nd form for implementing this invention. Explanatory drawing of the joint plate of the 2nd form for implementing this invention. The operation explanatory view in which the joint part of the 2nd form for carrying out the present invention became wide. The operation explanatory view in which the joint part of the 2nd form for carrying out the present invention became narrow. The top view of the joint device for floors which this inventor considered. The expanded sectional view which follows the 16-16 line of FIG. Sectional drawing which follows the 17-17 line | wire of FIG. Explanatory drawing of the bracket of the floor joint apparatus which this inventor considered. Operation | movement explanatory drawing which the joint part of the floor joint apparatus which this inventor considered became wide. Operation | movement explanatory drawing in which the joint part of the floor joint apparatus which this inventor considered became narrow. The top view of the 3rd form for carrying out the present invention. FIG. 22 is an enlarged sectional view taken along line 22-22 in FIG. Explanatory drawing of the bracket of the 3rd form for implementing this invention. The operation explanatory view in which the joint part of the 3rd form for carrying out the present invention became wide. The operation explanatory view in which the joint part of the 3rd form for carrying out the present invention became narrow.

1, 1A, 1B: floor joint device, 2: joint portion,
3: One floor frame, 4: Inclined surface,
5: joint plate supporting recess, 6: other floor frame,
7: joint cover, 8: pivot bracket,
9, 9A: bracket, 10, 10A: biasing mechanism,
11: Joint plate support part, 12: Joint plate,
13: Bracket body, 14: Tapping screw,
15: Hinge member, 16: Coil spring,
17: Push-up rod, 18: Guide pipe,
19: Locking pipe, 20: Stopper,
21: One pivot pin, 22: Central pivot pin,
23: Link, 24: The other pivot pin,
25: Coil spring, 26: Inclined surface,
27: Joint plate body, 28: Support pin,
29: Support pin insertion hole, 30: Guide rail,
31: pin, 32: pivot pin,
33: inclined surface, 34: support plate,
35: pivot pin, 36: pivot pin,
37: Support bar, 38: Stopper wire,
39: Spring, 40: Coil spring.

Claims (2)

At least two or more rectangles attached to the floor housing on one joint portion side through the joint portion, with the tip end portion protruding to the floor housing side on the other joint portion side being pivotable in the horizontal direction A plate-like bracket, a joint cover supported on the upper surface of the at least two brackets and pivotally supported at the tip of the bracket, covering the joint between the brackets, and the at least two or more A bracket urging mechanism that constantly urges the front end of the bracket in the direction of the floor housing on the other joint portion side, and the joint cover on which the rear end portion is attached to the floor housing on the other joint portion side. A floor joint device comprising a joint plate supported by a floor frame on the one joint portion side of a tip portion that can be slidably moved. A joint plate support recess formed on the joint surface side of one floor frame through the joint portion, the joint plate support recess formed on the inclined surface, and a tip end portion supported by the joint plate support recess, and a rear end portion The joint cover located on the floor frame side on the other joint part side, and the rear end part that can be supported by the front end part so that the rear end part of the joint cover can be rotated and moved up and down, At least two or more rectangular plate-like brackets pivotally supported by the floor frame on the joint portion side and capable of supporting the joint cover on the upper surface, and at least the two or more brackets or the joint cover are always attached to the other side. An urging mechanism for urging in the direction of the floor casing, and a tip end portion slidably movable on the joint cover, the rear end of which is attached to the floor casing on the other joint section side so as to be vertically movable is the joint plate support recess The inclined surface of Id floor joints apparatus characterized by comprising a joint plate can be moved.

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