JP5184495B2 - Floor joint device - Google Patents

Description

  The present invention relates to a floor joint device in which when a joint portion becomes narrow due to an earthquake, a tip portion of a joint plate covering the floor joint portion protrudes onto one floor frame to absorb the shaking motion.

  Conventionally, this type of floor joint device is provided with a box-shaped pin case that opens on the bottom of both sides of the rear portion of the joint plate, and a locking pin whose upper portion is located in the pin case is fixed to the joint plate support recess, The joint plate is attached to the other floor frame so that the tip of the joint plate can be rotated upward.

  However, with the method in which the upper part of the locking pin is positioned in the pin case and the joint plate is attached to the other floor case, if the joint becomes very small due to the earthquake, the position is set on the one floor case. The joint plate becomes almost horizontal due to its own weight, the rear end portion of the joint plate moves upward, the locking pin is detached from the pin case, and the joint plate is detached, which is in a dangerous state. There were drawbacks.

JP-A-2005-240374

  In view of the above-mentioned conventional drawbacks, the present invention can keep the joint plate in a safe state without detaching the pin case and the locking pin of the joint plate even if the joint portion becomes very narrow due to an earthquake. Another object of the present invention is to provide a floor joint device capable of smoothly rotating and vertically moving the joint plate when the joint portion becomes narrow.

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 object, the present invention provides a joint plate slide support recess having an inclined joint surface on the opposite side formed on the floor housing on one joint portion side of the left and right floor housings provided via the joint portion. A joint plate supporting recess formed in the other joint of the left and right floor housings facing the joint plate slide supporting recess, and a rear end portion is supported so as to cover the joint plate supporting recess, A joint plate whose tip is supported so as to be slidable so as to cover the joint plate slide support recess, and a bottom surface provided on both sides of the rear end of the joint plate are open, and an anti-rear end side is above the bottom. A pin case formed on an inclined surface whose side is sequentially inclined to the rear, and an upper portion is formed on the inclined surface substantially the same as the inclined surface of the pin case in the pin case, and the lower portion is vertical. A locking pin attached to the pin insertion cylinder fixed to the other joint side floor casing so as to be slidable in the vertical direction, and an upper portion of the locking pin that is always held in the pin case. The joint device for floors is comprised with the stop pin holding means.

As is clear from the above description, the present invention has the following effects.
(1) According to claim 1, even if the joint portion is narrowed by an earthquake and the tip portion of the joint plate rotates upward, or the joint plate rides on one floor frame and the rear end portion moves upward, The state where the tip end portion of the locking pin is located in the pin case can be maintained by the locking pin holding means.
Therefore, the locking pin and the pin case that lock the joint plate at the time of an earthquake can be used safely without being detached.
(2) According to the above (1), the pin case provided on both sides of the rear end of the joint plate is formed with an inclined surface in which the bottom surface is open and the opposite rear end side is inclined backward in order from the bottom to the upper side. In addition, since the upper end portion of the locking pin is formed on the inclined surface so as to follow the inclined surface of the pin case, the upper end portion of the joint plate can be smoothly rotated upward and the locking pin can be moved up and down. Can be performed smoothly.
(3) According to the above (1), it is only necessary to remodel the pin case or the locking pin and install the locking pin holding means, and the structure is simple and can be easily implemented.
(4) In the second and third aspects, the same effects as in the above (1) to (3) can be obtained.

The top view of the 1st form for carrying out the present invention. Sectional drawing which follows the 2-2 line of FIG. Explanatory drawing of the joint plate main body of the 1st form for implementing this invention. Explanatory drawing of the locking pin of the 1st form for implementing this invention. Explanatory drawing of the state in which the joint part became a little narrow by the earthquake of the 1st form for implementing this invention. Explanatory drawing of the state by which the joint part became narrow by the earthquake of the 1st form for implementing this invention. Explanatory drawing of the state where the joint part became wide by the earthquake of the 1st form for implementing this invention. The explanatory view of the state where one floor frame of the 1st form for carrying out the present invention sank. Explanatory drawing of the state which the other floor frame of the 1st form for implementing this invention sank. The top view of the 2nd form for carrying out the present invention. Sectional drawing which follows the 11-11 line of FIG. Explanatory drawing of the joint plate of the 2nd form for implementing this invention. The top view of the 3rd form for carrying out the present invention. Sectional drawing which follows the 14-14 line | wire of FIG. Explanatory drawing of the latching pin holding means of the 3rd form for implementing this invention. The top view of the 4th form for carrying out the present invention. FIG. 17 is a sectional view taken along line 17-17 in FIG. 16; The principal part enlarged view of FIG. Explanatory drawing of the state where the joint part became narrow by the earthquake of the 4th form for implementing this invention.

  Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

  In the first embodiment for carrying out the present invention shown in FIG. 1 to FIG. 9, 1 is a floor joint device of the present invention covering between the left and right floor frames 3, 3 provided via the joint portion 2. The floor joint device 1 includes a joint plate slide support concave portion 5 having an inclined surface 4 on the opposite joint portion 2 formed on the floor housing 3 on one joint portion side of the left and right floor housings 3 and 3, and the joint plate slide. A joint plate supporting recess 6 formed in the floor casing 3 on the other joint section 2 side of the left and right floor casings 3, 3 facing the supporting recess 5, and a rear end so as to cover the joint plate supporting recess 6 And a pin case in which the bottom surface provided on both sides of the rear end of the joint plate 7 is open 8. The joint plate 7 is supported so that the tip end portion is slidable so as to cover the joint plate slide support recess 5. 9, 9 and this pin case 9 9 are pin insertion cylinders 10 and 10 whose bottom surfaces fixed to the joints of the other floor frame 3 of the portion corresponding to 9 are closed, and an upper portion slidably mounted in the pin insertion cylinders 10 and 10. Locking pins 11, 11 positioned in the pin cases 9, 9, and locking pin holding means 12 that holds the upper portions of the locking pins 11, 11 so as to be always positioned in the pin cases 9, 9, 12.

  The joint plate 7 is a shallow plate-shaped joint plate body 13 made of a metal material, pin cases 9 and 9 provided on both sides of the rear end of the joint plate body 13, and the upper end of the joint plate body 13. A cover plate 15 provided with a hinge member 14 through a hinge member 14, a mortar or concrete 16 filled in the joint plate body 13, and a top surface of the mortar or concrete 16. And a floor decorative plate 17 such as bricks and tiles.

  The pin cases 9, 9 are made of metal and have a box-like shape in which the bottom surface has an opening 8 and the joint plate 7 is formed in an inclined surface 18 on the opposite rear end side of the joint plate 7. It is fixed to the main body 13 by fixing means such as welding.

  The locking pins 11, 11 are a rod-shaped locking pin main body 19 that can move up and down in the pin insertion cylinders 10, 10, and the pin case 9 formed integrally with the upper portion of the locking pin main body 19. The upper surface formed on the inclined surface 20 inserted into the pin 9 is the same inclined surface as the inclined surfaces 18 and 18 of the pin cases 9 or 9 or a slight gap is formed on the lower side of the inclined surfaces 18 and 18. Is constituted by a locking portion 21 that makes surface contact with the ceiling surface of the pin cases 9 and 9.

  The locking pin holding means 12 and 12 are constituted by urging springs 22 and 22 which are inserted into the pin insertion cylinders 10 and 10 and constantly urge the locking pins 11 and 11 upward.

  In the floor joint device 1 having the above structure, when the left and right floor frames 3 and 3 are shaken by an earthquake and the joint portion 2 is slightly narrowed, the joint plate 7 has a joint plate of one floor housing 3 as shown in FIG. Along the inclined surface 4 of the slide support recess 5, it moves onto one floor frame 3 while rotating.

  At this time, since the joint plate 7 rotates with the upper portions of the locking pins 11 and 11 as fulcrums, there is no gap between the rear end portion of the joint plate 7 and the end portion 6a of the joint plate support recess 6, The joint plate 7 can be rotated. When the shaking movement due to the earthquake stops, the locking pins 11 and 11 automatically return to the original state.

  Next, when the joint 2 is narrowed so that the left and right floor frames 3 and 3 swing in the earthquake and the joint plate 7 rides on one floor frame 3, the upper portions of the locking pins 11 and 11 as shown in FIG. The locking portions 21, 21 are moved upward by the urging springs 22, 22 of the locking pin holding means 12, 12 without detaching from the pin cases 9, 9, and the rear end of the joint plate 7 It can be moved upward without a gap between the portion and the end 6a of the joint plate support recess 6.

  When the shaking movement due to the earthquake stops and the width dimension of the joint portion 2 returns to the original state, the weight of the joint plate 7 resists the biasing force of the biasing springs 22 and 22 of the locking pin holding means 12 and 12. Then, the locking pins 11, 11 are lowered, and after returning to the state shown in FIG. 5, the state automatically returns to the state shown in FIG.

  When the left and right floor casings 3 and 3 are shaken by the earthquake and the joint portion 2 is widened, the joint plate 7 is moved to the other floor by the locking pins 11 and 11 attached to the other floor casing 3 as shown in FIG. Since it moves integrally with the housing 3, the tip of the joint plate 7 slides on the joint plate slide support recess 5 of one floor housing 3 to absorb the shaking movement.

  When the left and right floor frames 3 and 3 sink unevenly, as shown in FIGS. 8 and 9, the rear end portion and joint of the joint plate 7 depend on the pin cases 9 and 9 and the locking pins 11 and 11. A large gap does not occur between the end 6 a of the plate support recess 6.

  When the tip of the joint plate 7 sinks downward, the inclined surfaces 18 and 18 of the pin cases 9 and 9 and the lower surfaces of the inclined surfaces 20 and 20 of the locking portions 21 and 21 of the locking pins 11 and 11 are used. If it forms so that there may be few clearance gaps 23 and 23 in the side, the front-end | tip part of the joint plate 7 can do a downward movement without resistance.

  Further, the upper portions 21a, 21a of the distal end portions of the locking portions 21, 21 of the locking pins 11, 11 are positioned with a slight gap from the upper inner walls 9a, 9a behind the pin cases 9, 9, so that The joint plate 7 rotates with the upper portions 21a, 21a of the front end portions of the locking portions 21, 21 of the stop pins 11, 11 as fulcrums, and the rear end portion of the joint plate 7 and the end portion 6a of the joint plate supporting recess 6 The joint plate 7 can be rotated even if there is almost no gap between them.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 10 to 19 will be described. In the description of the different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are denoted by the same reference numerals, and redundant description is omitted.

  The second embodiment for carrying out the present invention shown in FIGS. 10 to 12 is mainly different from the first embodiment for carrying out the present invention in that the upper surface side is outward from the bottom surface of the rear end portion. By using the joint plate 7A using the joint plate body 13A formed on the slightly projecting inclined surface 24, the floor joint device 1A using the joint plate 7A formed in this way is used. Even when the floor frame 3 sinks, the formation of a gap between the rear end portion of the joint plate 7A and the upper end portion 6a of the joint plate supporting recess 6 is efficiently prevented, and the joint plate 7A can be smoothly rotated. be able to.

  The third embodiment for carrying out the present invention shown in FIGS. 13 to 15 is mainly different from the first embodiment for carrying out the present invention in that the upper portions of the locking pins 11 and 11 are locked. The support pins insertion holes 25, 25 that are long in the vertical direction are formed in the portions 21, 21, and the latches include the support pins 26, 26 that are inserted into the support pin insertion holes 25, 25 and attached to the pin cases 9, 9. In terms of using the pin holding means 12A, 12A, the floor joint device 1B configured using such locking pin holding means 12A, 12A is the first mode for carrying out the present invention. Similar effects can be obtained.

  The fourth embodiment for carrying out the present invention shown in FIGS. 16 to 19 is mainly different from the first embodiment for carrying out the present invention in that a stopper piece 27 is provided at the lower end of the front end of the locking portion 21. The locking pins 11A and 11A formed with the locking pins 11A and 11A, and the locking portions 21 and 21 of the locking pins 11A and 11A can be inserted, and in contact with the stopper pieces 27 and 27, the locking pins 11A and 11A Using pin cases 9A and 9A in which stoppers 28 and 28 that can be prevented from falling off are formed on the bottom of the rear side, the stoppers 28 and 28 of the pin cases 9A and 9A and the stopper pieces 27 and 27 of the locking pins 11A and 11A The first embodiment for carrying out the present invention is the floor joint device 1C configured by using the locking pin holding means 12B and 12B in terms of the locking pin holding means 12B and 12B. Same as Do effect can be obtained.

  In the embodiment of each embodiment for carrying out the present invention, the joint plate 7 is formed directly on the joint plate slide support concave portion 5 and the joint plate support concave portion 6 formed on one floor housing 3 and the other floor housing 3. Although what has installed 7A was demonstrated, this invention is not limited to this, The base material made from a metal material which covers the joint plate slide support recessed part 5 or the metal material which covers the joint plate support recessed part 6 is manufactured. You may install a joint plate in the state which installed.

  INDUSTRIAL APPLICABILITY The present invention is used in an industry for manufacturing a floor joint device that covers a space between right and left floor frames provided via joint portions.

1, 1A, 1B, 1C: floor joint device,
2: joint part, 3: floor frame,
4: Inclined surface,
5: Joint plate slide support recess,
6: Joint plate support recess, 7, 7A: Joint plate,
8: Opening, 9, 9A: Pin case,
10: Pin insertion cylinder, 11, 11A: Locking pin,
12, 12A, 12B: Locking pin holding means,
13, 13A: Joint plate body,
14: Hinge member, 15: Cover plate,
16: Mortar and concrete, 17: Floor decorative board,
18: inclined surface, 19: locking pin body,
20: inclined surface, 21: locking portion,
22: Energizing spring, 23: Clearance,
24: inclined surface, 25: support pin insertion hole,
26: Support pin, 27: Stopper piece,
28: Stopper.

Claims (3)

The left and right floor casings provided via the joint section, the opposite joint section formed on the floor casing on one joint section side is opposed to the joint plate slide support concave section of the inclined surface, and the joint plate slide support concave section. A joint plate supporting recess formed in the other joint side floor housing of the left and right floor housings, a rear end portion is supported so as to cover the joint plate support recessed portion, and a tip end so as to cover the joint plate slide support recessed portion The joint plate is slidably supported, and the bottom surface provided on both sides of the rear end of the joint plate is open, and the anti-rear end side is formed on an inclined surface that inclines backward from the bottom. A pin case, and an upper portion is formed on the inclined surface of the pin case, the upper portion being substantially the same as the inclined surface of the pin case, and the lower portion is fixed to the other joint-side floor case. It is composed of a locking pin attached to the pin insertion cylinder so as to be slidable in the vertical direction, and a locking pin holding means for holding the upper portion of the locking pin so as to be always located in the pin case. Features a floor joint device. 2. The floor joint device according to claim 1, wherein the locking pin holding means is constituted by a biasing spring provided in the pin insertion cylinder and constantly biasing the locking pin upward. The locking pin holding means is composed of a long hole-shaped support pin insertion hole formed in the upper part of the lock pin, and a support pin inserted into the support pin insertion hole and fixed to the pin case. The floor joint device according to claim 1.

Images