JP5437413B2 - Tube gripping fitting and tube gripping device - Google Patents

Description

  The present invention relates to a tube gripping metal fitting and a tube gripping device that are effective when, for example, a solar cell module is attached to a steel pipe constituting a temporary enclosure at a construction site.

  Patent Document 1 discloses a gripping metal fitting for fixing a member such as a solar cell module to a pipe body such as a single pipe pipe, which is easy to mount, lock, and remove from the pipe body, and has a simple structure. Things have been proposed. In this metal fitting, the bracket opens a substantially arc-shaped recess forward. A jaw member is pivotally supported by the bracket and is rotatable between a holding position and a release position. A stopper is pivotally supported by the bracket, is rotatable between a locked position and an unlocked position, and is urged to rotate to the locked position. The stopper prevents the jaw member from rotating from the hold position to the release position in the locked position, but allows the jaw member to rotate from the release position to the hold position, and in the unlocked position, the jaw member is Allow rotation from the holding position to the release position. The biasing means selectively holds the jaw member in the locked position or the unlocked position beyond the dead point during the rotation of the jaw member. The biasing means includes a spring guide and a spring fitted therein, and has a long hole in the axial direction at the lower end portion of the spring guide, and passes through this through a shaft supported by the support plate of the bracket. The spring guide is pivotally supported on the jaw member by being pivotally supported so as to be movable in the axial direction and the engaging recess at the upper end being rotatably engaged with the shaft.

Japanese Patent Laid-Open No. 2011-1937

The conventional tube gripping metal fitting described in Patent Document 1 has a relatively complicated structure for the biasing means, which hinders the simplification of manufacturing and the cost reduction. In addition, since the tube body is gripped without being tightened, it is easy to move in the axial direction of the tube body. For this reason, it may not be used depending on the installation environment.
Therefore, the invention according to this application is a tube gripping metal fitting that can be manufactured at a low cost with a simple structure, and can be fixed so as not to move in the axial direction with respect to the tube body. An object of the present invention is to provide an easy tube gripping device.

Hereinafter, the present invention will be described with reference to the accompanying drawings, but the present invention is not limited thereto.
The tube grip 2 of the invention according to this application for solving the above-mentioned problems is for attaching a support object M to the tube P, and includes a bracket 4, a jaw member 5, a stopper 6, and a biasing means. 7 is provided. The bracket 4 is a structure that is fixed to the support object M and has an arcuate holding recess 8 that receives the tubular body P opened to the opposite side of the support object M. The jaw member 5 is pivotally supported by the bracket 4 so as to be rotatable between a holding position and a releasing position, and the opening 12 of the holding recess 11 of the bracket 4 is narrowed between the holding recess 11 at the holding position. The tube P is held and the opening 12 of the holding recess 11 is expanded at the release position to release the tube P, or the tube P entering the opening 12 is received and rotated to the holding position. The stopper 6 is pivotally supported by the bracket 4 at the intermediate portion, so that it can rotate between the locked position and the non-locked position, is normally urged to rotate to the locked position, and has a lock portion 25 on one end side. The other end side has a rotation operation part 24, and the lock part 25 is arranged on the path where the jaw member 5 rotates from the holding position to the release position in the lock position to prevent the jaw member 5 from rotating. The jaw member 5 is pushed by the jaw member 5 that rotates to the holding position and retracts from the rotation path of the jaw member 5 to allow the jaw member 5 to pass to the holding position, and the jaw member 5 is released from the holding position in the unlocked position The lock portion 25 is disposed outside the path of rotation to the position to allow the jaw member 5 to rotate. The urging means 7 has a base end portion that is locked to the bracket 4 and a movable end portion that is locked to the jaw member 5. A leaf spring 30 is provided, and the jaw member 5 is selectively held in the locked position or the unlocked position by rotating and energizing the jaw member 5 in the opposite direction to the past in the course of rotation.
The tubular body gripping device 1 of the invention according to this application is for attaching the support object M to the tubular body P, and the gripping metal fitting 2 for gripping the tubular body P without tightening, and the gripping metal fitting. 2 and a fixture 3 fixed to the tube P. The fixture 3 includes a main body 32, a fastening member 33, a nut member 34, and a fastening bolt 35. The main body 32 includes an engaging portion 38 that is coupled to the bracket 4 of the gripping metal 2 in order to fix the gripping metal 2 to the tube P, and an arcuate receiving recess 39 that receives the tube P. The fastening member 33 has an arcuate receiving portion that is positioned opposite to the receiving recess 39 of the main body 32, and a fixed position that reduces an opening formed with the receiving recess 39 so as to tighten the tube P between itself and the main body 32. , Allowing the tube to move between a release position that enlarges the opening to release the tube. The nut member 34 supports the fastening member 33. The tightening bolt 35 penetrates the main body 32 and is screwed into the nut member 34. When the tightening bolt 35 is tightened, the tightening member 35 is moved from the release position to the fixed position, and the tube P is tightened to grip the main body 32. It fixes to the pipe body P integrally with the metal fitting 2.

  According to the tube gripping metal fitting 2 of the invention according to this application, since the structure of the biasing means is simple, the production can be simplified and the cost can be reduced. Furthermore, according to the tube body gripping device 1, the tube body P can be fixed so as not to move in the axial direction with respect to the tube body P, and can be easily attached.

It is a front view of a tube gripping device concerning the present invention. FIG. 2 is a plan view of the tube gripping device of FIG. 1. FIG. 2 is a side view of the tube gripping device of FIG. 1. It is a front view of the holding metal fitting which concerns on this invention. It is a side view of the holding | grip metal fitting of FIG. It is sectional drawing of the holding | grip metal fitting of FIG. It is sectional drawing which shows the fixing operation process of the holding | grip metal fitting of FIG. It is sectional drawing which shows the fixing operation process of the holding | grip metal fitting of FIG. It is sectional drawing which shows the releasing operation process of the holding | grip metal fitting of FIG. It is a front view of a fixture. It is a top view of the fixing metal fitting of FIG. It is a side view of the fixing metal fitting of FIG. It is a perspective view of the fixing metal fitting of FIG. It is sectional drawing of the fixing metal fitting of FIG. It is a perspective view of a fastening member.

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

  As shown in FIGS. 1 to 3, the tube gripping device 1 is for connecting a support object M such as a solar cell module to a tube P such as a single pipe for support. A gripping metal fitting 2 that grips P without being tightened and a fixing metal fitting 3 that is coupled to the gripping metal fitting 2 and fixed to the pipe body P in order to fix the gripping metal fitting 2 to the pipe body P. The fixing bracket 3 is mounted adjacent to the gripping bracket 2.

  As shown in FIGS. 4 to 6, the gripping metal fitting 2 includes a bracket 4, a jaw member 5, a stopper 6, and an urging means 7.

  The rear part of the bracket 4 is bolted to the support object M, and the front part is engaged with the pipe body P. The bracket 4 includes a pair of left and right support plate portions 8, a mounting plate portion 9 that is connected between the support plate portions 8 and 8 at the rear portion and fixed to a support object M with a bolt (not shown), and both support plate portions 8. , 8 and a locking plate portion 10 for connecting the upper rear parts. The support plate 8 has an arcuate receiving recess 11 that receives the tube P through an opening 12 that opens forward.

  The jaw member 5 is pivotally supported between the support plate portions 8 and 8 of the bracket 4 and is rotatable around a shaft 15 between a holding position shown in FIG. 6 and a release position shown in FIG. It is restricted to the movable range of the leaf spring 30 of the biasing means 7. The jaw member 5 includes a pair of parallel gripping plates 13 and 13 arranged in parallel to the support plate portions 8 and 8 of the bracket 4, a coupling plate 14 connecting them at the lower portion, a gripping plate 13, 13 is provided with a shaft 15 pivotally supported between the support plate portions 8 and 8 of the bracket 4. The gripping plate 13 extends substantially oppositely so as to form an opening 19 between the distal ends, and has a substantially U-shape having first and second legs 16 and 17 that form a concave holding portion 18 between the proximal ends. It is a flat plate material. The concave holding portion 18 is positioned in a direction substantially orthogonal to the receiving concave portion 11 of the bracket 4 at the holding position, and holds the tubular body P inside in cooperation. That is, the first leg 16 extends in a direction parallel to the back surface of the support object M at the holding position, protrudes to a position opposite to the receiving recess 11 of the bracket 4 to narrow the opening 12, and is opposite to the support object M at the release position. Rotate to the side and open the opening 12 of the bracket 4. An engaging portion 20 that engages with the stopper 6 protrudes from the distal end portion of the second leg 17. In the released position, the jaw member 5 is directed so that the opening 19 of the concave holding portion 18 is inclined to the opposite side of the support object M, and receives the tube P here and guides it to the receiving recess 11 of the bracket 4 as it rotates. Placed in.

  The stopper 6 is pivotally supported by the upper end position of the bracket 4 with a shaft 21 at the intermediate portion, and is rotatable between a locked position and an unlocked position. The stopper 6 is always urged to rotate to the locked position by a spring 22 that is wound around the shaft 21 and locked between the stopper 6 and the bracket 4. A bearing portion 23 is provided at an intermediate portion of the stopper 6, a rotation operation portion 24 is provided at one end portion, and a lock portion 25 is provided at the other end portion. The stopper 6 is rotationally biased to the lock position, and the lock portion 25 is held at the lock position by abutting against the convex portion 26 provided on the support plate portion 8 of the bracket 4 at the lock position. When the detent ball 27 falls into the detent hole 28 provided in the support plate portion 8 of the bracket 4 in the unlocked position, the detent ball 27 is held in the unlocked position (FIG. 9). The stopper 6 prevents the rotation of the jaw member 5 by disposing the lock portion 25 on the movement path of the engagement portion 20 in the middle of the rotation of the jaw member 5 from the holding position to the release position at the lock position (FIG. 6). The jaw member 5 is pushed by the jaw member 5 rotating from the release position to the holding position and retracted from the rotation path of the jaw member 5 to allow the jaw member 5 to pass to the holding position (FIG. 8). In the unlocked position by the push-down operation, the lock member 25 is disposed outside the rotation path from the holding position of the jaw member 5 to the release position to allow the jaw member 5 to rotate (FIG. 9).

  The biasing means 7 is interposed between the bracket 4 and the jaw member 5 so as to selectively hold the jaw member 5 in the locked position or the unlocked position beyond the dead point during the rotation of the jaw member 5. Rush. The biasing means 7 has a fixed end locked to the locking plate portion 10 of the bracket 4 and a movable end rotatably locked to a shaft 29 supported between the support plate portions 8 and 8 of the jaw member 5. A leaf spring 30 is provided. The leaf spring 30 bends and deforms between both end portions due to the rotation of the jaw member 5 and swings and deforms around the proximal end portion to thereby urge the jaw member 5 to rotate in the releasing direction. Then, the jaw member 5 is urged to rotate in the direction opposite to that past the dead point.

  In addition, the bolt 31 for fixing both to the holding | maintenance position can be penetrated in the position corresponding to the lower part of the bracket 4 and the jaw member 5. FIG.

  When the supporting object M is supported on the tube P, the jaws support the supporting object M in the open state shown in FIG. 7 (the stopper 6 is in the lock position and the jaw member 5 is in the release position). The holding metal fitting 2 is applied to the tubular body P so as to receive the tubular body P in the opening 19 of the member 5, and the object to be supported M is placed in the direction in which the concave holding portion 18 of the jaw member 5 is fitted to the tubular body P. Press against P. The jaw member 5 initially rotates the stopper 6 against the spring force so that the engaging portion 20 pushes up the lock portion 25 of the stopper 6 while the plate spring 30 is bent and compressed and deformed (clockwise in the figure). Direction), the tube P is rotated to the holding position (counterclockwise in FIG. 7), and is energized by restoring and extending the leaf spring 30 beyond the dead point (FIG. 8). (Fig. 6). The stopper 6 rotates counterclockwise after the engaging portion 20 has passed, returns to the locked position, and reaches the locked state.

  In the state of FIG. 6, the gripping member 2 is biased to the holding position by the leaf spring 30, but even when a strong external force that rotates in the release direction (clockwise) is applied, the engaging portion 20 Since the jaw member 5 is prevented from rotating and restrained to the holding position by abutting against the lock portion 25 of the stopper 6, the support object M can be reliably supported on the tubular body P.

  When removing the support object M from the pipe P, the rotation operation part 24 of the stopper 6 is pushed down from the state of FIG. 6 to rotate the stopper 6 to the unlocked position (clockwise) as shown in FIG. Then, the lock portion 25 is disengaged from the rotation path of the engaging portion 20 of the jaw member 5. In this state, when the support object M is operated so as to be peeled off from the tube P, the jaw member 5 rotates to the release position (clockwise), and the tube P is released as shown in FIG. The object M can be removed from the tube P. During the rotation of the jaw member 5, the leaf spring 30 exceeds the dead point, and the jaw member 5 is biased to the release position.

As described above, the gripping metal fitting 2 can reliably support the supporting object M on the tube P, but the jaw member 5 does not firmly tighten the tube P. It moves relatively easily when it receives external force in the axial direction. For this purpose, in order to fix the gripping metal fitting 2 to the tubular body P, as shown in FIG. 1 to FIG.
The fixture 3 includes a main body 32, a fastening member 33, a nut member 34, and a fastening bolt 35.

  As shown in FIG. 10 to FIG. 14, the main body 32 of the fixing bracket includes a trunk portion 36 having a U-shaped cross section extending in the vertical direction and a pair of left and right parallel curves extending forward from the upper portion of the trunk portion 36 and curving downward. A plate-shaped hook portion 37 and an engagement plate portion 38 extending from the upper edge portion of the hook portion 37 to the side are provided. At the lower edge of the hook portion 37, there is an arc-shaped receiving recess 39 that opens downward and receives the tubular body P. 1 to 3, the engaging plate portion 38 extends beyond the gripping metal fitting 2 adjacently installed on the tube P, and then bends at right angles along the outer surface of the gripping metal fitting 2. To do.

  As shown in FIG. 15, the fastening member 33 is formed of a bent U-shaped plate material that opens downward, and is fitted into the backbone portion 36 of the main body 32 so as to be movable up and down along the bottom portion. It is possible to invade from the lower end of 36. At the lower end portion of the fastening member 33, there is an engagement protrusion 33 a provided with an arcuate edge 33 b that protrudes forward from the trunk portion 36 of the main body 32 and faces the receiving recess 39 of the trunk portion 36. The tightening member 33 can move up and down to tighten and release the tube P between the engagement protrusion 33a and the main body 32.

  The nut member 34 is positioned inside the tightening member 33, is non-rotatably fitted between the opposing plate portions of the tightening member 33, and is screwed into the tightening bolt 35 to support the tightening member 33. It moves up and down together with the fastening member 33 by tightening and loosening.

  The tightening bolt 35 passes through a bolt insertion hole 36 a formed in the upper portion of the trunk portion 36 of the main body 32 and a bolt insertion hole 33 c of the tightening member 33 and is screwed into the nut member 34. By tightening the tightening bolt 35, the tube body P can be tightened between the hook portion 37 of the main body 32 and the engagement protrusion 33 a of the tightening member 33, and can be fixed to the tube body P.

  Note that the holding fitting 2 can support the supporting object M on the pipe P by holding the pipe P alone, but has a structure for holding the pipe P without tightening it. As shown in FIG. 3, when the gripping metal fitting 2 is attached and the fixing metal fitting 3 is attached adjacent thereto, the tube body gripping device 1 can be fixed to the tube body P as a unit. . For this reason, the tube gripping apparatus 1 can reliably fix the support object M without moving it in the axial direction of the tube P, and can be used in various installation environments.

DESCRIPTION OF SYMBOLS 1 Tubular grip apparatus 2 Grip metal fitting 3 Fixing metal fitting 4 Bracket 5 Jaw member 6 Stopper 7 Energizing means 11 Arc-shaped receiving recessed part 12 Opening 15 Shaft 16 1st leg 17 2nd leg 18 Recessed holding part 19 Opening 20 Engagement Part 21 Shaft 22 Spring 24 Rotation operation part 25 Lock part 30 Leaf spring 32 Main body 33 Tightening member 33a Engagement protrusion 33b Arc-shaped edge 34 Nut member 35 Tightening bolt 36 Core part 37 Hook part 38 Engagement plate part 39 Receiving concave part M Support Object P Tube

Claims (5)

A tube gripping bracket for attaching a support object to a tube,
A bracket that is fixed to the support object and that has an arcuate holding recess that receives the tube open to the opposite side of the support object;
By being pivotally supported by this bracket, it is rotatable between a holding position and a release position, and the holding body is held between the holding recess by narrowing the opening of the holding recess of the bracket, A jaw member that widens the opening of the holding recess in the release position to release the tube, or accepts the tube entering the opening and is rotatable to the holding position;
By being pivotally supported by the bracket at the intermediate portion, it can freely rotate between the locked position and the unlocked position, and is normally urged to rotate to the locked position, has a lock portion on one end side, and on the other end side. A jaw member that has a rotation operation portion and that disposes the jaw member on the path where the jaw member rotates from the holding position to the release position in the lock position to prevent rotation of the jaw member, but rotates from the release position to the holding position. The jaw member is retracted from the rotation path of the jaw member to allow passage of the jaw member to the holding position, and the lock part is disposed outside the path in which the jaw member rotates from the holding position to the release position in the unlocked position. And a stopper that allows the jaw member to rotate,
A base end portion is engaged with the bracket, and a movable end portion is engaged with the jaw member, and a plate spring which is bent and deformed between the both end portions by the rotation of the jaw member and swings around the base end portion is provided. Biasing means for selectively holding the jaw member in the locked or unlocked position by rotationally biasing the jaw member past the dead point in the opposite direction;
A tube-holding metal fitting characterized by that. A tubular body gripping device for attaching a support object to a tubular body, comprising: the gripping metal fitting according to claim 1; and a fixing metal fitting coupled to the gripping metal fitting and fixed to the pipe body,
The fixing bracket is
A main body having an engagement portion coupled to a bracket of the gripping bracket to fix the gripping bracket to the tube, and an arcuate receiving recess for receiving the tube;
An arcuate receiving portion positioned opposite to the receiving recess, and a fixed position for narrowing an opening formed with the receiving recess so as to tighten the tube between the main body and an opening for releasing the tube A clamping member that can be displaced between a release position that expands
A nut member for supporting the fastening member;
Through the main body, screwed into the nut member and tightened, the tightening member is displaced from the release position to the fixed position with respect to the main body, the tube is tightened, and the main body is integrated with the gripping bracket. A fastening bolt for fixing to the tube body;
A tube gripping device characterized by that. The main body of the fixing bracket includes a main trunk portion, and a hook portion that extends laterally from the main trunk portion and includes the receiving recess at the lower edge,
The fastening member includes an engagement protrusion that forms an opening that receives the tube body together with the receiving recess while the lower end portion protrudes forward from the main trunk portion. Engaged between the fixed position for narrowing the opening so as to tighten the tubular body and the release position for widening the opening so as to release the tubular body along the main trunk portion.
The tubular body gripping device according to claim 2, wherein: The jaw member has a concave holding portion that holds the tubular body on the inside facing the concave portion of the bracket in the holding position;
A first leg extending so as to intersect the opening of the bracket in the holding position; and a second leg surrounding the concave holding portion and extending in a direction opposite to the first leg;
The second leg has an engaging portion at a distal end portion that is disposed opposite to the locking portion of the stopper at the locking position in the holding position at a position closest to the holding position, and the engaging portion is a locking portion. The jaw member is prevented from rotating in the release direction by engaging with, and when the engaging portion rotates from the release position to the holding position, the lock portion is pushed up to enable rotation of the jaw member to the holding position,
In the urging means, the base end of the leaf spring is engaged with a bracket in the vicinity of the end of the second leg at the holding position of the jaw member, and the movable end is engaged with the end of the second leg. The tube gripping metal fitting or tube gripping device according to claim 1, wherein the tube gripping metal fitting or the tube gripping device is stopped.   The engaging portion of the jaw member is passed near the terminal end where the jaw member rotates from the release position to the holding position, and pushes the locking portion of the stopper in the locking position against the biasing force to pass to the holding position. The tube gripping metal fitting or the tube gripping device according to claim 4, wherein the tube gripping metal fitting or the tube gripping device is arranged so as to allow the above.

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