JP4435698B2 - Bundle hardware - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a bundle metal fitting for supporting a horizontal construction material such as a large pull to a predetermined height from a foundation or the like in a floor structure of a building.

  Generally, a bundle metal fitting for horizontally supporting the large fork is installed between the foundation of the building and the large fork.

  Conventionally, as this type of bundle metal fitting, for example, there is a turnbuckle type.

  Specifically, for example, screw rods are rotatably attached to both end portions of a turnbuckle portion having a tool hanging portion formed in a hexagonal cross section, and the leading ends of the respective screw rods are subjected to large pulling. And a base plate for grounding to a grounding surface such as a foundation, and a lock nut is screwed to each screw rod screwed to both ends of the turnbuckle portion.

  The use method of this turnbuckle-type bundle metal fitting is to fix the receiving plate to the large pull, fix the base plate to the grounding surface, and rotate and adjust the tool hanging portion of the turnbuckle portion with a tool such as a spanner. As a result, the receiving plate and the base plate at both ends are screwed up and down to hold the large pull in a horizontal state.

  In addition, even when the distance between the foundation and the large pull is widened due to aged deformation of wood such as large pull, the length of the bundle metal fitting can be adjusted properly by rotating the turn buckle with a spanner. .

  After holding the large pulling in an appropriate horizontal state by turning the turnbuckle part, each screw nut is turned by rotating the lock nuts with a spanner or the like so as to contact both ends of the turnbuckle part. Thus, the large horizontal holding state can be securely locked and held in a state where the rotation is impossible.

  In the conventional bundled metal fittings as described above, the turning operation of the turnbuckle part and the turning operation of the lock nut require the operator to bring the tool into a narrow place and operate the tool in a tight posture. It was not an easy task.

  It is a technical object of the present invention to pay attention to such problems and to provide a bundle metal fitting that remarkably improves the workability of the lifting adjustment work and the rotation lock work.

  The gist of the present invention will be described with reference to the accompanying drawings.

  A screw rod 3 is rotatably provided on an upper portion of a support 2 erected on the grounding base 1, and a receiving portion 5 for receiving and fixing the construction horizontal member 4 is rotatably provided on the upper portion of the screw rod 3. A bundle metal fitting configured such that the screw rod 3 can be moved up and down relative to the support body 2 by the turning operation of the screw rod 3 with respect to the support body 2 and the receiving portion 5 can be adjusted up and down. An engaging portion 6 is provided on the upper portion, a screwless portion 3A is provided on the screw rod 3 below the engaging portion 6, and an operation handle 7A is provided on the screw portion 3B of the screw rod 3 below the screwless portion 3A. The lock nut 7 is screwed so as to be movable up and down, and the lock nut 7 is screwed and lowered until it comes into contact with the upper portion of the support body 2 so that the screw rod 3 can be rotationally locked. An engagement recess 7B is provided on the upper portion of the nut 7 to engage the engagement portion 6 in a detent state. And the engagement recess 7B can be engaged with the engagement portion 6 by moving the lock nut 7 up through the non-screw portion 3A. Then, by rotating the operation handle 7A of the lock nut 7 engaged with the engaging portion 6, the screw rod 3 can be rotated with respect to the support 2 via the engaging portion 6. The present invention relates to a bundle metal fitting characterized in that it is configured as described above.

  In addition, the formation range of the screwless portion 3A on the screw rod 3 is allowed to move up and down the lock nut 7 positioned at least on the screwless portion 3A, and the engagement of the lock nut 7 by the upward movement of the lock nut 7 is allowed. 2. The bundled metal fitting according to claim 1, wherein the joint recess 7B is set in a forming range in which the engagement portion 6 can be engaged with the engagement portion 6.

  In addition, the engagement recess 7B in which the engagement portion 6 engages with the rotation of the engagement portion 6 is provided on the upper portion of the lock nut 7, and the abutment portion 7C that abuts against and contacts the upper portion of the support 2 at the lower portion of the lock nut 7. The operation handle 7A is projected from a side portion of the lock nut 7, and the bundle metal fitting according to any one of claims 1 and 2 is provided.

  Further, a nut portion 2A is provided on the upper portion of the support body 2, the screw rod 3 is screwed onto the nut portion 2A, and a square nut 6 is screwed and fixed to the upper portion of the screw rod 3. The engaging part 6 is provided, and the screw rod 3 below the engaging part 6 is provided with the screwless part 3A, and a lock nut 7 is provided on the screwless part 3A or below the screwless part 3A. A lock nut 7 is screwed onto the screw portion 3B of the screw rod 3, and the rectangular engagement recess 7B that engages the engagement portion 6 constituted by the square nut 6 on the lock nut 7 is prevented from rotating. The bundle bracket according to any one of claims 1 to 3, wherein the receiving portion 5 is rotatably connected to an upper portion of the screw rod 3 formed above the engaging portion 6. Is.

  Since the present invention is configured as described above, when the lifting / lowering adjustment of the receiving portion is performed, the operator can easily rotate the operation handle provided on the lock nut manually without using a rotating tool such as a spanner. Even during the rotation lock operation after this lifting adjustment, the rotation can be easily locked by manually rotating the operation handle without using a tool. This is an epoch-making bundled metal fitting that is extremely practical and has a significantly improved workability as compared with conventional bundled metal fittings.

  In the invention according to claim 2, the lock nut positioned in the screwless portion can be surely moved upward to engage the engagement recess with the engagement portion, and the lock nut in the non-rotating engagement state. Can be reliably moved down (disengaged from and disengaged from the engaging recess) and can be positioned in the screwless portion, so that the above-mentioned effect can be surely exhibited and the bundle metal fitting having a more excellent configuration can be realized. It becomes.

  In the invention according to claim 3, the lock nut with an operation handle that reliably exhibits the above-described effects can be easily configured and the bundled metal fitting can be easily realized by designing it.

  Moreover, in the invention of Claim 4, it becomes the structure excellent in the practicality from which the design of the bundle metal fitting of this invention which exhibits the said effect reliably is realizable.

  Embodiments of the present invention that are considered suitable (how to carry out the invention) will be briefly described with reference to the drawings, illustrating the operation of the present invention.

  The operation handle 7A of the bundle metal fitting can be easily rotated manually by an operator without using a tool.

  For example, the receiving part 5 is fixed to the horizontal member 4 for building, and this bundle metal fitting is arrange | positioned between the horizontal member 4 for building and the grounding surfaces 12, such as the foundation 12. FIG.

  When the engaging recess 7B is engaged with the engaging portion 6 and the operation handle 7A is rotated by hand, the screw rod 3 is screwed with respect to the support 2 via the engaging portion 6 that rotates together with the lock nut 7. Since the receiving portion 5 can be adjusted up and down by this, when the grounding base 1 is not in contact with the grounding surface 12, the grounding base 1 is brought into contact with the grounding surface 12 by rotating the operation handle 7A. The horizontal section 4 for construction can be held horizontally by finely adjusting the receiving portion 5 by rotating the operation handle 7A.

  After the lifting / lowering adjustment of the receiving portion 5 (after the adjustment of the level of the horizontal member 4 for building), for example, the operation concave portion is held by holding the operation handle 7A and moving the lock nut 7 downward to the screwless portion 3A. 7B can be engaged / disengaged from the engaging portion 6, and the lock nut 7 can be moved downward to be screwed onto the screw portion 3B of the screw rod 3 below the non-screw portion 3A.

  Then, the operating handle 7A of the lock nut 7 is manually rotated in a state of being screwed to the screw portion 3B of the screw rod 3, and the screw nut is lowered until the lower portion of the lock nut 7 comes into contact with the upper portion of the support body 2. As a result, the screw rod 3 becomes non-rotatable with respect to the support 2 (the screw rod 3 can be rotated and locked), and the receiving portion 5 becomes non-movable and holds the construction horizontal member 4 in a horizontal state. it can.

  In addition, after the building is completed, when the interval between the ground contact surface 12 and the building horizontal member 4 becomes wide due to aging deformation of the building horizontal member 4 or other timber, the lock in the rotation lock state is used. When the nut 7 is raised with respect to the screw rod 3 by rotating the operation handle 7A by hand and is positioned at the screwless portion 3A, the locknut 7 is not positioned at the screwless portion 3A, and therefore the lock nut 7 can be moved in the vertical direction. When the lock nut 7 (operation handle 7A) is moved upward via the screwless portion 3A, the engagement recess 7B at the top of the lock nut 7 can be engaged with the engagement portion 6 in a non-rotating state. Therefore, the receiving part 5 can be readjusted so that the horizontal member 4 for construction can be held in an appropriate horizontal state by rotating the operation handle 7A.

  Then, after the adjustment work is completed, the rotation lock state is again established by operating the lock nut 7 as described above.

  Therefore, according to the present invention, the elevation adjustment of the receiving portion 5 is easily performed by manually rotating the operation handle 7A provided on the lock nut 7 without using a separate rotating tool such as a spanner. Since the operation of the lock nut 7 after the elevation adjustment can be easily performed by rotating the operation handle 7A by hand, there is no trouble of re-hanging the tool, which is extremely in comparison with the conventional product. Excellent workability and epoch-making bundles with excellent practicality.

  Note that the lock nut 7 can be easily turned by hitting the operation handle 7A with a hammer or the like, and the operation can be performed in an easy posture by the operator according to the work situation and the site situation. Choose a method.

  Specific embodiments of the present invention will be described with reference to the drawings.

  The bundle metal fitting of the present embodiment is provided with a screw rod 3 rotatably on an upper portion of a support 2 erected on a grounding base 1, and a receiving member for receiving and fixing a construction horizontal member 4 on the upper portion of the screw rod 3. The portion 5 is provided so as to be rotatable, and the screw rod 3 is moved up and down with respect to the support body 2 by the rotation operation of the screw rod 3 with respect to the support body 2 so that the receiving portion 5 can be adjusted up and down.

  Specifically, as shown in FIGS. 1 and 2, the grounding base 1 has a rectangular plate shape, and a thin cylindrical support 2 is erected at the center of the grounding base 1.

  The grounding base 1 is formed with a plurality of fastening holes 9. The grounding base 1 is fastened and fixed to the grounding surface 12 such as the foundation 12 with an adhesive. In some cases, a fastening tool such as a nail or a screw is fastened to the grounding surface 12 through the fastening hole 9. Thus, the grounding base 1 can be firmly fixed to the grounding surface 12.

  As shown in FIGS. 3 to 5, the support 2 is provided with a nut portion 2 </ b> A at an upper portion, and the screw rod 3 is screwed to the nut portion 2 </ b> A so as to be rotatable up and down.

  Further, the nut portion 2A is attached and fixed to the upper end portion of the support 2 by using various coupling means such as press-fitting, bonding, spot welding, and the like.

  The receiving part 5 has a configuration in which a mounting cylinder part 5B fitted to the upper part of the screw rod 3 is provided in a suspended state at the center of the lower surface of a receiving plate 5A having a rectangular plate shape.

  Also, a plurality of fastening holes 9 are formed in the receiving plate 5A, and fastening tools such as nails and screws are fastened to the horizontal member 4 such as a large pull 4 through the fastening holes 9. Thus, the receiving plate 5A can be firmly fixed to the building horizontal member 4.

  As shown in FIG. 4, the connecting structure of the receiving portion 5 to the upper portion of the screw rod 3 is provided with a bearing tube 13 that is rotatably fitted to the screw rod 3 at the hanging end portion of the mounting tube portion 5B. The mounting cylinder portion 5B is rotatably fitted on the upper portion of the screw rod 3 through the bearing tube 13, and the retaining pin 10 is horizontally mounted on the upper portion of the screw rod 3 protruding upward from the bearing tube 13. The connecting structure is such that the threaded rod 3 is prevented from coming off with respect to the mounting cylinder portion 5B by this retaining pin 10 that is penetrated and fixed in the direction.

  Further, the bearing cylinder 13 is attached and fixed to the hanging lower end portion of the mounting cylinder portion 5B by using various coupling means such as press-fitting, bonding, or spot welding.

  In the present embodiment, an engagement portion 6 is provided on the upper portion of the screw rod 3, a screwless portion 3 A is provided on the screw rod 3 below the engagement portion 6, and the screw rod 3 below the screwless portion 3 A is provided. A lock nut 7 provided with an operation handle 7A is screwed up and down to the screw portion 3B, and the screw nut 3 is rotated and lowered until it comes into contact with the upper portion of the support 2 to rotate the screw rod 3. It is configured so that it can be locked.

  Specifically, a hexagonal nut 6 is screwed into the middle part of the upper part of the screw rod 3, and this hexagonal nut 6 is fixed to the pin 8, and this hexagonal nut 6 is used as the engaging portion 6.

  Further, in this embodiment, a washer 11 is disposed on the upper portion of the engaging portion 6, and the lower edge of the mounting tube portion 5B (the lower edge of the bearing tube 13) is brought into contact with the upper surface of the washer 11. The receiving portion 5 is prevented from dropping with respect to the screw rod 3 by a washer 11 (engaging portion 6).

  Further, a screw is not formed in a predetermined range below the engaging portion 6 of the screw rod 3, and this portion is formed into a round rod slightly smaller in diameter than the screw portion 3B. The flange portion is the screwless portion 3A.

  The lock nut 7 has a screw hole that can be screwed into the screw portion 3B of the screw rod 3, and when the lock nut 7 is positioned in the screwless portion 3A, the lock nut 7 Hole) is configured to be loosely fitted to the screwless portion 3A.

  Further, as shown in FIG. 1, the lock nut 7 has a circular outer shape, and the strip-like operation handle 7A protrudes substantially horizontally at opposing positions (two places) on the side portion. The lock nut 7 can be easily rotated by manually operating two horizontally projecting operation handles 7A.

  Further, the lower portion of the lock nut 7 is formed in a flat shape, and the lower flat surface is used as an abutting portion 7C that abuts against and contacts the upper portion of the support 2 (the upper edge of the nut portion 2A).

  Further, in this embodiment, an engaging recess 7B is formed on the upper portion of the lock nut 7 so that the engaging portion 6 engages with the rotation stop, and the lock nut 7 is moved upward via the screwless portion 3A. Thus, the engaging recess 7B can be engaged with the engaging portion 6, and the operation handle 7A of the lock nut 7 engaged with the engaging portion 6 is rotated to engage. The screw rod 3 is configured to be rotatable with respect to the support 2 via the portion 6.

  Further, the formation range of the screwless portion 3A on the screw rod 3 is allowed to move up and down of the locknut 7 that is loosely fitted by being positioned on the screwless portion 3A. The engaging recess 7B can be engaged with the engaging portion 6 by the upward movement, and the lock nut 7 is brought into contact with the engaging portion 6 when the lock nut 7 is positioned on the screwless portion 3A. The formation range (vertical width) is set so that the engagement portion 6 and the engagement recess 7B can be aligned by rotating horizontally.

  That is, the screwless portion 3 </ b> A has a configuration in which a vertical width that is slightly wider than the vertical width of the lock nut 7 is secured.

  In addition, a hexagonal recess for locking and engaging the hexagonal nut 6 (engagement portion 6) is formed at the center of the upper surface of the lock nut 7, and this square recess is used as the engagement recess 7B.

  Next, the usage method of a present Example is demonstrated. In this embodiment, a large pull 4 that supports the flooring is adopted as the horizontal member 4 for the building, and the main pulling bracket 4 is arranged between the large pull 4 and the foundation 12 as the grounding surface 12 for the large pull. The case where 4 is supported horizontally is shown.

  The receiving portion 5 is fixed to the lower surface of the large pull 4 with a nail or a screw, and the bundle metal fitting is disposed between the large pull 4 and the foundation 12.

  When the operator manually rotates the operation handle 7A of the lock nut 7 with the engaging recess 7B engaged with the engaging portion 6, the screw rod 3 is supported by the support 2 via the engaging portion 6. Accordingly, the receiving portion 5 (grounding base 1) can be adjusted up and down. In addition, if it is set as the structure which ships this bundle metal fitting in the state which engaged the engaging recessed part 7B with the engaging part 6 previously, this operation | work of the beginning of use will be performed easily.

  By rotating the operation handle 7A, the grounding base 1 is grounded to the base 12, the grounding base 1 is bonded and fixed to the base 12, and the operation handle 7A is further finely adjusted to hold the pulling 4 horizontally. .

  Next, the operation handle 7A is grasped, the lock nut 7 is moved downward to disengage the engagement recess 7B from the engagement portion 6, and the lock nut 7 is further moved downward to disengage the screw rod 3 below the screwless portion 3A. Screwed onto the screw portion 3B.

  Then, the lock nut 7 is screwed down by manually turning the operation handle 7A of the lock nut 7 while being screwed to the screw rod 3, and the abutting portion 7C below the lock nut 7 is supported by the support portion 7C. When it is tightened until it comes into contact with the upper part of the body 2, the screw rod 3 becomes non-rotatable with respect to the support 2 (the screw rod 3 can be locked and locked), the receiving portion 5 becomes non-movable and the large pull 4 becomes horizontal. Can be retained.

  The operation handle 7A may be rotated by an operator hitting it with a hammer or the like, and a method that allows the operator to work easily may be selected according to the work situation or the situation at the site. .

  In addition, after the building is completed, when the space between the base and the large pull 4 becomes wide due to aged deformation of the large pull 4 or other wood, the lock nut 7 in the rotationally locked state is rotated with the operation handle 7A. By moving, the screw rod 3 is raised and positioned on the screwless portion 3A. Then, since the lock nut 7 is not positioned in the screwless portion 3A, the lock nut 7 can be moved up and down and horizontally rotated. The lock nut 7 is horizontally rotated to align the engagement portion 6 and the engagement recess 7B. After that, the lock nut 7 is moved upward via the screwless portion 3A, so that the engagement recess 7B on the lock nut 7 can be engaged with the engagement portion 6 in a non-rotating state (in FIG. 4). Next, the pulling 4 can be readjusted so as to be in an appropriate horizontal state by rotating the operation handle 7A.

  After this adjustment work is completed, the operation handle 7A is again screwed onto the screw portion 3B of the screw rod 3 below the screwless portion 3A and lowered, and tightened until the abutting portion 7C comes into contact with the upper portion of the support 2. Set to the dynamic lock state.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

It is a perspective view which shows a present Example. It is a front view which shows a present Example. It is front sectional drawing which shows the rotation lock state in the use condition of a present Example. It is a partial expanded explanatory view which shows the state which moved up the lock nut located in the screwless part in the use condition of a present Example, and engaged the engaging recessed part with the engaging part. It is a front sectional view which shows the state which can raise / lower the receiving part in the use condition of a present Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Grounding base 2 Support body 2A Nut part 3 Screw cage 3A Non-screw part 3B Screw part 4 Construction horizontal member 5 Receiving part 6 Engaging part (square nut)
7 Lock nut 7A Operation handle 7B Engaging recess 7C Butting part

Claims (4)

  A screw rod is rotatably provided on the upper portion of the support standing on the grounding base, and a receiving portion for receiving and fixing the horizontal member for construction is rotatably provided on the upper portion of the screw rod so that the screw for the support is provided. A bundle metal fitting configured so that the screw rod can be moved up and down with respect to the support by rotating the rod and the receiving portion can be adjusted up and down, and an engagement portion is provided on the upper portion of the screw rod, and the engagement portion A screw nut is provided on the lower screw rod, a lock nut having an operation handle is screwed up and down to the screw portion of the screw rod below the screw screw, and the lock nut is screwed to The lock nut is configured to be able to be rotationally locked by being lowered until it comes into contact with the upper portion of the support body, and an engagement concave portion is provided on the upper portion of the lock nut to prevent the engagement portion from rotating. Is screwed up to the screwless portion, and the lock The engaging recess can be engaged with the engaging portion by moving the lever upward, and the engaging portion is operated by rotating the operation handle of the lock nut engaged with the engaging portion. A bundled metal fitting configured to be capable of rotating the screw rod with respect to a support via a pin.   Allowing the vertical movement of the lock nut positioned at least in the non-threaded portion to form the non-threaded portion on the screw rod, and by moving the lock nut upward, the engaging recess is moved to the engaging portion. The bundle metal fitting according to claim 1, wherein the bundle metal fitting is set to a forming range that can be engaged with the metal fitting.   The locking recess is provided in the upper portion of the lock nut, and the engagement portion is engaged with the rotation of the locking portion. The lower portion of the lock nut is provided with an abutting portion that abuts against and contacts the upper portion of the support body. The bundle metal fitting according to any one of claims 1 and 2, wherein the operation handle protrudes from a portion. A nut portion is provided on the upper portion of the support body, the screw rod is screwed onto the nut portion, a square nut is screwed and fixed to the upper portion of the screw rod, and the square nut is used as the engagement portion. A screw nut is provided on the screw rod below the screw portion, and a lock nut is disposed on the screwless portion, or a lock nut is screwed onto a screw portion of the screw rod below the screwless portion. The rectangular engaging recess for locking and engaging the engaging portion constituted by the square nut is formed on the upper portion of the screw nut, and the receiving portion can be freely rotated on the upper portion of the screw rod above the engaging portion. The bundle metal fitting according to any one of claims 1 to 3, wherein the bundle metal fitting is connected.

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