JP4948236B2 - Floor joint device - Google Patents

Description

  The present invention relates to a floor joint device that covers a joint portion between left and right floor frames provided via a joint portion.

Conventionally, this type of floor joint device covers one joint on the left and right floors of a building built via the joint, and covers the joint. A joint plate that covers the one recess also at one end, and at least two or more guide tubes attached to a housing on the other joint portion side of the left and right buildings that support the other end of the joint plate; A guide pin inserted into each of the guide cylinders fixed to the bottom surface near the other end of the joint plate, and a joint for sliding and moving one end of the joint plate onto one floor surface when the joint portion becomes narrow due to an earthquake or the like A plate slide moving mechanism, one end fixed to the bottom surface near the other end of the joint plate, an uplift plate with an inclined surface, and one end pivotally supported by a joint on the joint portion side of the other building, etc. end Is slide-moved or pivotally supported on a rail attached to the joint on the joint side of the one building, and when the joint becomes narrow due to an earthquake or the like, it comes into contact with the inclined surface of the lift plate, and the lift plate It is comprised with the raising mechanism which pushes up upwards.

For this reason, when the joint portion becomes narrow, the mechanism for raising the rear end portion of the joint plate is complicated and expensive, and the guide pin storage portions are formed at both ends of the joint plate. The joint plate structure is complicated and expensive, and the upper part of the rear end of the joint plate collides with the end of the floor surface with great force when the joint plate rotates. And has the disadvantage of being easily damaged.
Japanese Patent No. 3402307

    In view of the above-described conventional drawbacks, the present invention enables the joint portion to be rotated with the upper portion of the rear end portion of the joint plate as a fulcrum when the joint portion becomes narrow and the tip portion of the joint plate rotates upward. Thus, a step is prevented from occurring between the rear end portion of the joint plate and the other joint portion side floor surface, and a constant gap is formed between the rear end portion of the joint plate and the floor surface of the other joint portion side. It aims at providing the joint device for floors which can be energized without it.

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.

In order to achieve the above-mentioned object, the present invention provides a joint plate support concave portion in which the joint portion side floor surface of the left and right floor frame provided through the joint portion is formed on the inclined surface on the side opposite to the joint portion, and the joint plate. The joint plate support base fixed to the other joint part side floor housing corresponding to the plate support concave part so that the upper surface part is substantially the same as the lower surface part of the joint plate support concave part, and the joint plate support base A long hole formed in the support portion, and a joint whose tip is supported by the joint plate support recess and whose top end is supported by the joint plate support base is substantially the same as the top surfaces of the left and right floor frames. A plate, a pin fixed to the portion corresponding to the long hole of the joint plate support base of the joint plate so as to penetrate the long hole, and an urging force to constantly press and press the pin toward the other joint side floor frame in the mechanism Constitute the use joint apparatus.

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

(1) A joint plate support concave portion formed on the inclined surface on the side opposite to the joint portion on one joint portion side floor surface of the left and right floor frame provided through the joint portion, and the other corresponding to the joint plate support concave portion A joint plate support base fixed so that the upper surface part is substantially the same as the lower surface part of the joint plate support recess of the joint part side floor frame, and the length formed on the support part of the joint plate support base A joint plate in which the top surface of the hole, the front end portion is supported by the joint plate support concave portion, and the rear end portion is supported by the joint plate support base is substantially the same as the upper surfaces of the left and right floor frames, and the joint plate Because it is composed of a pin fixed so as to penetrate the long hole in the portion corresponding to the long hole of the joint plate support base, and an urging mechanism that constantly presses and presses this pin in the direction of the other joint side floor frame . , Joint pre By a biasing mechanism for biasing the door supporting bar to always inimical fabric portion direction, can be biased to abut constantly rear end of the joint plate to the floor skeleton of the other joint side.
Accordingly, it is possible to reliably prevent a gap from being generated between the rear end portion of the joint plate and the floor frame on the other joint portion side, and it can be used safely.

(2) By the above (1), since the upper surface of the rear end portion of the joint plate is substantially flush with the upper surface of the floor joint on the other joint portion side, at the time of turning the tip portion of the joint plate moves upward, The joint plate can be rotated with the upper part of the rear end portion of the joint plate as a fulcrum.
Therefore, it is possible to safely and smoothly rotate without generating a step between the upper part of the rear end portion of the joint plate.

(3) According to (1), the structure is simple and can be easily installed.

(4) Since the joint plate support rail is attached to the other joint part side floor frame according to the above (1), the concave part for supporting the rear end part of the joint plate is not formed on the other joint part side floor case. Can also be installed, and the installation work can be performed easily.

Hereinafter, the present invention will be described in detail with reference to the best mode for carrying out the present invention shown in the drawings and the floor joint device considered by the present inventors.

In the floor joint device considered by the present inventor shown in FIG. 1 to FIG. 9, 1 is a floor joint device for covering the joint portion 2 of the left and right floor frames 3 and 3 provided via the joint portion 2. The floor joint device 1 corresponds to the joint plate support concave portion 5 formed on the inclined surface 4 on the side opposite to the joint portion of the left and right floor casings 3 and 3, and the joint plate support concave portion 5. A crank-shaped joint plate fixed with a plurality of tapping screws 6 or the like in a substantially horizontal direction so that the upper portion is located below the lower surface portion of the joint plate support recess 5 of the other joint-side floor case 3. The support rail 7 and an angle at which the upper surface of the joint plate support rail 7 movably mounted in the three directions on the left and right floor frame 3 via a smooth roller 8 is substantially flush with the lower surface of the joint plate support recess 5. Pipe joint plate A holding bar 9, an urging mechanism 10 for constantly urging the joint plate support bar 9 in the direction toward the joint part, a tip part supported by the joint plate support concave part 5, and a rear end part of the other joint part side floor It is comprised with the joint plate 13 inserted and supported by the pins 12 and 12 in the pin insertion holes 11 and 11 formed in the joint plate support bar 9 without gap in the housing 3.

  The urging mechanism 10 is fixed at the time of welding by partially passing through a plurality of through holes 14 formed at predetermined intervals in the joint plate support rail 7 on the side surface of the joint plate support bar 9 on the joint portion side. A plurality of U-shaped support members 15 and a plurality of through holes 16 formed at a predetermined interval in the central portion of the support member 15, and a plurality of ends fixed to the joint plate support rail 7. A plurality of attachments for constantly pressing the joint plate support bar 9 interposed between the shaft 17 and the heads of the plurality of shafts 17 and the support member 15 to the other joint-side floor housing 3 at all times. It is composed of a force spring 18.

  The joint plate 13 includes a shallow plate-shaped joint plate body 19 made of a metal material, a floor tile 21 fixed through a mortar and cement 20 filled in the joint plate body 19, and the joint plate body 19. The cover plate 23 is attached to the top of the front end portion via a hinge member 22, and the pins 12 and 12 are fixed to the bottom surface near both sides of the rear end of the joint plate body 19.

  In the floor joint device 1 having the above-described configuration, the upper surfaces of the left and right floor casings 3 and 3 and the upper surface of the joint plate 13 are normally flush with each other. The joint portion 2 is covered in a state of being in contact with the floor frame 3 without a gap.

  When the joint portion 2 is widened, as shown in FIG. 7, the rear end portion of the joint plate 13 is connected to the other joint portion side via the pins 12, 12, the joint plate support bar 9, the urging mechanism 10 and the joint plate support rail 7. Since it is attached to the floor casing 3, it moves almost integrally with the other floor casing 3, and the tip of the joint plate 12 slides on the joint plate support recess 5 to absorb the shaking motion.

When the joint portion 2 becomes narrow, as shown in FIG. 8, the tip end portion of the joint plate 13 slides on the inclined surface 4 of the joint plate support recess 5 and protrudes onto one floor frame 3.
At this time, the upper surface of the rear end portion of the joint plate 13 and the upper surface of the other floor frame 3 serve as fulcrums, and the joint plate support bar 9 resists the urging force of the urging mechanism 10 in the joint plate support rail 7. Is slid to the joint portion side, and the movement of the joint plate 13 with respect to the shaking motion is smoothed and absorbed.
In addition, when the swinging motion of the left and right floor frames 3, 3 stops, the original state is automatically restored.
In the case of a swinging motion in the front-rear direction, the smoothing roller 8 provided on the joint plate support rail 7 moves in the front-rear direction so that the swinging motion can be absorbed.

  Next, the floor joint device considered by the present inventor shown in FIGS. 10 to 18 and the embodiment of the present invention will be described. In the description of the floor joint device considered by the present inventors and the embodiment of the present invention, the same reference numerals are given to the same components as the floor joint device considered by the present inventors. A duplicate description is omitted.

The floor joint device considered by the present inventor shown in FIGS. 10 to 12 is mainly different from the floor joint device shown in FIGS. 1 to 9 in the floor surface of the other joint portion side floor frame 3. The joint plate support 24 is formed so that the upper position is located below the lower surface position of the joint plate support recess 5, and the joint plate support bar 9 is positioned on the joint plate support 24 via the smooth roller 8. In this way, the support plate 25 fixed to the other joint part side floor frame 3 to which the urging mechanism 10 for urging the joint plate support bar 9 is fixed with a plurality of tapping screws 6 or the like. The floor joint device 1A may be configured .

The floor joint device considered by the present inventor shown in FIGS. 13 to 15 is different from the floor joint device shown in FIGS. 1 to 9 at a predetermined interval on the joint portion side of the joint plate support bar 9A. An urging spring accommodating hole 26 is formed, and an urging spring accommodating tray 27 accommodating the urging spring 18 is attached to the urging spring accommodating hole 26, and the joint plate support bar 9 </ b> A is moved in the opposite joint portion direction by the urging spring 18. In the floor joint device 1B configured as described above, the same effect as that of the floor joint device shown in FIGS. 1 to 9 can be obtained and the biasing spring is applied to the joint portion 2. It is possible to reliably prevent the shaft from projecting and the amount of movement in the left and right direction between the left and right buildings from becoming smaller.

In the first embodiment for carrying out the present invention shown in FIGS. 16 to 18, the main difference from the floor joint device shown in FIGS. 1 to 9 is that the other joint corresponding to the joint plate supporting recess 5. The joint plate support bases 28 and 28 having the upper surface part substantially the same as the lower surface part of the joint plate support recess 5 of the part side floor frame 3 are fixed with a plurality of tapping screws 6 and the like. The pins 12 and 12 of the joint plate 13 are inserted so as to penetrate the long holes 29 and 29 formed in the support portions 28a and 28a of the 28 and 28, and the pins 12 and 12 are always connected to the other joint portion side floor frame 3. The floor joint device 1 </ b> C configured as described above may be used in that the biasing mechanism 10 </ b> A using the plate springs 30 and 30 that press in the direction is used.
In this embodiment, the pin springs 12 and 12 of the joint plate 13 are always pressed in the direction of the other joint portion side floor frame 3 and used. However, the present invention is not limited to this. Instead of the springs 30 and 30, tension or compression springs may be used.

The floor joint device considered by the present inventor and each embodiment of the present invention have been described using a smooth roller, but the present invention is not limited to this, and the joint plate support bar 9 without using a smooth roller. 9A may be supported by the joint plate support rail 7 or the joint plate support portion 24.

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

The top view of the joint device for floors which this inventor considered. Sectional drawing which follows the 2-2 line of FIG. Explanatory drawing of the joint plate support rail of the joint device for floors which this inventor considered. Explanatory drawing of the joint plate support bar of the floor joint apparatus which this inventor considered. Explanatory drawing of the urging | biasing mechanism of the floor joint apparatus which this inventor considered. The top view of the state which removed the joint plate of the joint device for floors 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. Explanatory drawing of the principal part of FIG. The top view of the different floor joint apparatus which this inventor considered. Sectional drawing which follows the 11-11 line of FIG. Explanatory drawing of the principal part of the different floor joint apparatus which this inventor considered. The top view of the different joint device for floors which this inventor considered. Sectional drawing which follows the 14-14 line | wire of FIG. Explanatory drawing of the principal part of the still another floor joint apparatus which this inventor considered. The top view of the 1st form for carrying out the present invention. FIG. 17 is a sectional view taken along line 17-17 in FIG. 16; Explanatory drawing of the urging | biasing mechanism of the 1st form for implementing this invention.

1, 1A, 1B, 1C: floor joint device, 2: joint portion,
3: floor frame, 4: inclined surface,
5: Joint plate support recess, 6: Tapping screw,
7: Joint plate support rail, 8: Smooth roller,
9, 9A: Joint plate support bar,
10, 10A: biasing mechanism, 11: pin insertion hole,
12: Pin, 13: Joint plate,
14: through-hole, 15: support member,
16: Through hole, 17: Shaft,
18: Energizing spring, 19: Joint plate body,
20: mortar and cement, 21: floor tiles,
22: Hinge member, 23: Cover plate,
24: Joint plate support part, 25: Support plate,
26: biasing spring storage hole, 27: biasing spring storage tray,
28: Joint plate support, 29: Slotted hole,
30: leaf spring.

Claims (1)

A joint plate support concave portion formed on the inclined surface on the side opposite to the joint portion on one joint portion side floor surface of the left and right floor frame provided through the joint portion, and the other joint portion side corresponding to the joint plate support concave portion A joint plate support base fixed so that the upper surface part is substantially the same as the lower surface part of the joint plate support recess of the floor frame, and a long hole formed in the support part of the joint plate support base, A joint plate in which the top surface is supported by the joint plate support recess and the rear end is supported by the joint plate support base is substantially the same as the top surfaces of the left and right floor frames, and the joint plate support of the joint plate For floors, characterized by comprising a pin fixed so as to penetrate the long hole in a portion corresponding to the long hole of the base, and a biasing mechanism that constantly presses the pin toward the other joint side floor frame Joint device

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