JPH053487U - Holder for formwork members for concrete pouring - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a holder capable of easily connecting concrete fixing formwork members having a plurality of hollow portions and fixing them at a predetermined position. [Structure] At least one elastic piece 2 for pressing an inner peripheral surface of a hollow portion B of a form member A is provided at both ends of a base piece 1. Also, the length of the base piece 1 can be adjusted. Further, the support piece 3 is provided so as to project in a direction orthogonal to the pressing direction of the elastic piece 2. [Effect] When the elastic piece is inserted into the hollow portions of the two different form members, both form members are pressed against each other and connected in a predetermined direction. Further, since two pairs of elastic pieces are fixed in the hollow portion of each form member, the form members are fixed at predetermined positions through the base piece. Further, by adjusting the length of the base piece, the position of the formwork member can be changed as desired. Further, the supporting piece can prevent the connecting portion between the form members from being bent by the lateral pressure at the time of placing the concrete.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The holder of the present invention connects plate-shaped or block-shaped concrete casting form members to each other. For tying or fixing them at a predetermined interval to hold them in place Is what is used.

[0002]

[Prior art]

  Formwork members used for placing concrete are usually made of multiple materials due to their light weight. An extruded cement board in which the hollow portion of the above is punched is used.   When connecting formwork members of this kind, as shown in FIG. A through hole is formed from the side to the hollow portion B, and the flat plate connector C is applied to the outside of the through hole to fix the screw. Or a bolt D or the like, and a nut E inserted in the hollow portion B is screwed into the penetrated portion. ing. Further, when fixing the mold member at a predetermined position, as shown in FIG. A through hole is formed from the outside of the material A to the hollow portion B, and one end of the L-shaped fixture F is provided on the outside thereof. Insert the screw, bolt, etc. D into the hollow part B and insert it into the through part. The bottom end of the L-shaped fixing tool F is fixed to the floor, wall, or the like G by screwing the cot E.

[0003]

[Problems to be solved by the device]

  However, in the conventional method of holding the form panel, the form member is penetrated. There was the trouble of having to form a hole. In addition, screw or The nut must be screwed into the through part after Since the nut is narrow, it is not possible to grasp the nut sufficiently, and screws or bolts are screwed into the unstable nut. It was very difficult to do.

[0004]   The present invention was developed in order to solve such a problem, and it is easy to form a frame member. Can be connected or fixed to hold the relative positions of the two formwork members. A holder is provided.

[0005]

[Means for Solving the Problems]

  In the present invention, a plurality of holders for the concrete placing form member according to claim 1 are provided. Predetermine a plate-like or block-like concrete pouring form member with a hollow part A holder for holding in a position, wherein the base member has a hollow portion of the form member at both ends thereof. At least one elastic piece that abuts the peripheral surface and presses the inner peripheral surface toward the central portion of the base piece It is characterized in that they are projected one by one.

[0006]   According to a second aspect of the present invention, a plurality of holders for the concrete placing form member are provided. Predetermine a plate-like or block-like concrete pouring form member with a hollow part A holding tool for holding in a position, wherein the mold part is provided on at least one end of the base piece. Two or more pairs of elastic pieces that press two opposing inner peripheral surfaces of the hollow part of the material It is characterized by being installed.

[0007]   According to a third aspect of the present invention, the holder for the concrete pouring form member is It is characterized in that two pairs of elastic pieces are provided at both ends of the base piece so as to project from each pair. It is a characteristic.   According to a fourth aspect of the present invention, a holder for a concrete pouring formwork member comprises: The base piece is stretchable and can be fixed to a desired length. .

[0008]   According to a fifth aspect of the present invention, the holder for the concrete pouring form member is the The base piece is provided with a supporting piece for supporting the form member in a direction orthogonal to the pressing direction of the elastic piece. It is characterized by becoming.

[0009]

[Action]

  In the holder of the concrete placing form member according to claim 1 of the present invention, Insert elastic pieces protruding from both ends of the piece into the hollow parts of two different form members Then, the elastic piece comes into contact with the inner peripheral surface of the hollow portion and pushes the inner peripheral surface toward the central portion of the base piece. Since both mold members are pressed against each other by pressing, both mold members are connected in a predetermined direction. Tied up.

[0010]   According to a second aspect of the present invention, in the holder for the concrete placing form member, Insert two pairs of elastic pieces protruding from the end of each piece into one hollow part of the formwork member. When inserted, both elastic pieces press the two inner peripheral surfaces facing each other in the hollow part and fix it in the hollow part. To do. Therefore, if the base piece is fixed to the floor, wall, etc., the formwork member will be at a predetermined position on the floor, wall, etc. Held in.

[0011]   According to a third aspect of the present invention, in the holder for the concrete placing form member, Since the pair of elastic pieces are projected on both ends of the piece, Inserting each set of elastic pieces into the hollows of different formwork members will cause both formwork members to It is fixed in place via the pieces.   According to a fourth aspect of the present invention, in the holder for the concrete pouring form member, the front Since the base piece can be adjusted to the desired length, the position and orientation of the two formwork members to be connected Alternatively, the intervals and positions of the fixed form panel can be changed and adjusted as desired. Wear.

[0012]   According to a fifth aspect of the present invention, in the holder for the concrete placing form member, By inserting a support piece protruding from the piece into the hollow portion of the form member, Since the frame member is supported in the direction perpendicular to the pressing direction of the elastic piece, Prevents bending of a connecting portion between mold members due to lateral pressure applied to the mold members. be able to.

[0013]

【Example】

  FIG. 1 shows a first embodiment of a holder for a concrete pouring formwork member of the present invention. This consists of two plate-shaped form members with a plurality of rectangular hollows bored in the longitudinal direction. Used to connect side by side in a direction.   As shown in the same figure, the plate-shaped base piece 1 should project inward at both longitudinal ends. Each of the leaf spring-like elastic pieces 2 that are gently curved to the Is projected on. In addition, support is provided at both ends in the width direction of the base piece 1 inside the elastic piece 2. Two pieces are provided in a pair at a position where the pieces 3 face each other, and two pairs are provided at equal intervals. In addition, the above The width of the elastic piece 2 is slightly narrower than the width of the hollow portion B in the thickness direction of the form member A, The width of the support piece 3 is slightly narrower than the width of the hollow portion B in the width direction of the form member A. .

[0014]   And this holder is used as follows, for example. First, two formwork members A Are abutted in the lateral direction, and the second hollow portion of both formwork members A from the abutting end Insert the elastic piece 2 into B, and place the elastic piece 2 in the first hollow portion B from the abutting end so as to face the hollow portion B. The support piece 3 protruding at the position is inserted. This results in: The two elastic pieces 2 are brought into contact with the inner peripheral surface of the hollow portion B in the width direction of the form member A so that both form members are Since A is pressed in the lateral direction, both formwork members A are connected in the lateral direction, and the support piece 3 forms the formwork. Both mold members A are supported by the inner peripheral surface of the hollow portion B facing in the thickness direction of the member A. Favored.

[0015]   FIG. 2 shows another example of the use of the holder shown in FIG. 1, which has two molds arranged side by side. It is used to fix the frame member to the floor or wall.   The basic structure of this holder is exactly the same as that of FIG. 1, but the base piece 1 has Four through holes 8 are formed at appropriate intervals in the longitudinal direction of the base piece 1.   Then, this holder has the base piece so that the elastic piece 2 and the support piece 3 face upward. 1 is installed on the floor or wall G, and the screw 9 is passed through the through hole 8 and screwed into the floor or wall G Fix the retainer. After that, as in the case of FIG. 1, the two form members A are The second hollow portion B of both formwork members A is abutted in the lateral direction from the abutting end. The elastic piece 2 is inserted from the lower end opening of the first hollow portion B from the butted end. When the support piece 3 is inserted through the lower end opening of the two, the two form members A are placed on the floor or wall G. It is held side by side in place.

[0016]   FIG. 3 shows a modified example of the holder shown in FIG. 1, in which at least one of the mold members has a vertical shape. It is used to connect two formwork members that are cut in the horizontal direction in the lateral direction. .   In this holder, the base piece 1 is divided into two divided pieces 10a and 10b, and A plurality of through holes 11 are formed in the inner ends of the divided pieces 10a and 10b. Well At the outer end of each of the divided pieces 10a and 10b, an elastic member having the same shape as the elastic piece 2 of FIG. The piece 2 is provided so as to project downward. Further, the central portion of each divided piece 10a, 10b At both end portions in the width direction of the support, the support pieces 3 of the same shape as the support auxiliary piece 3 of FIG. Two pairs, one pair at a time, projecting downward.

[0017]   This holder is used, for example, as follows. First, the cut form member A Since the distance from the butt end face to the hollow portion B is different, The divided pieces 10a and 10b are formed so that the elastic piece 2 and the support piece 3 are fitted therein. The positions of both divided pieces 10a and 10b are shifted so that the through holes 11 that are formed are aligned with each other. By adjusting the length of the base piece 1, the screw 12 is inserted into the aligned through hole 11. The nut 13 is penetrated and screwed into the penetrating portion to fix them. After that, two molds The frame members A are butted against each other in the lateral direction, and the elastic pieces 2 are inserted into the hollow portions B of both mold members A. Is inserted, and the supporting piece 3 is inserted into the hollow portion B adjacent to the hollow portion B. Because of this The two elastic pieces 2 come into contact with the inner peripheral surface of the hollow portion B in the width direction of the form member A so that both form parts are Since the material A is pressed in the lateral direction, both formwork members A are connected in the lateral direction and The holding piece 3 supports the inner peripheral surface of the hollow portion B facing the thickness direction of the form member A so as to support both form frame members. The flannel A is supported in the thickness direction.

[0018]   FIG. 4 shows a second embodiment of the holder for the concrete pouring form member of the present invention. This is used to connect two formwork members side by side.   In this holder, both ends of the base piece 1 have the same shape as the elastic piece 2 of FIG. 1 in the vertical direction. -Shaped elastic pieces 2 are provided so as to project, and the base piece 1 has a vertical direction at both ends in the width direction at the center thereof. Two supporting pieces 3 having the same shape as the supporting auxiliary piece 3 of FIG. ing.

[0019]   This holder is used, for example, as follows. First, the formwork placed below Of the three adjacent hollow portions B of the member A, the hollow portion B provided at the center of the hollow portion The pair of support pieces 3 are inserted, and the elastic pieces 2 projecting downward in the hollow portions B on both sides of the support piece 3. Insert. Similarly, the three hollow portions of the form member A to be connected to the upper side. In the three hollow parts B facing B, the pair of support pieces 3 projecting upward and the elastic Insert piece 2. As a result, the two elastic pieces 2 protruding upward or downward are , The inner peripheral surface of the hollow portion B in the width direction of the upper or lower form member A is pressed to both form parts. Since it is fixed to the material A, both formwork members A are vertically connected via the base piece 1. Well Each supporting piece 3 supports the inner peripheral surface of the hollow portion B facing in the thickness direction of the form member A, The form panel A is supported in the thickness direction.

[0020]   FIG. 5 shows a third embodiment of the holder for the concrete placing form member of the present invention. This is used to fix a single formwork member in place on the floor, walls, etc. .   In this holder, one end of the base piece 1 is curved to project in the opposite direction. A pair of elastic pieces 2 are vertically projected upward. The other end of the base piece 1 A through hole 8 is formed in the.

[0021]   This holder is used, for example, as follows. First, the elastic piece 2 moves upward Install the base piece 1 at a predetermined position on the floor or wall G so that it protrudes, and insert the screw 9 into the The holder is fixed by penetrating the through hole 8 and screwing into the floor G, a wall or the like. After that, the above two The set of elastic pieces 2 is inserted from the lower end opening of the hollow portion B of the form member A. This Two pairs of elastic pieces 2 have two inner peripheral surfaces of the hollow portion B facing each other in the thickness direction of the form member A. Since the combination of the elastic pieces 2 is fixed to the form member A by pressing, the form member A is It is fixed to a predetermined position of G such as a floor or a wall via 1.

[0022]   FIG. 6 shows a fourth embodiment of the holder for the concrete pouring form member of the present invention. It is used to fix two formwork members that are erected in parallel with a certain distance between them. It is a thing.   In this holder, the base piece 1 is divided into two pieces 10a and 10b, and A through hole is formed in the inner end of the split piece 10a, and the inner end of the other split piece 10b is formed. An elongated hole 14 is formed in the. Then, from the through hole of one divided piece 10a, the other Nut 13 is screwed into the screw 12 that penetrates through the elongated hole 14 of the divided piece 10b of FIG. Piece 1 is constructed. The outer end of each of the divided pieces 10a and 10b has the above-mentioned An elastic piece 2 similar to the elastic piece 2 shown in FIG. 5 is provided so as to vertically project downward.

[0023]   This holder is used, for example, as follows. First, place the two form members A Set up a fixed interval. Next, loosen the screw 12 and the nut 13, and divide the two pieces 10a, By shifting 10b along the elongated hole 14, the length of the base piece 1 can be made equal to that of the two pieces. Adjust according to the space between the form members A, and then tighten the screw 12 and nut 13. And fix both. Then, one end of the base piece 1 is inserted into the hollow portion B of the one mold member A. 2 sets of elastic pieces 2 are inserted, and the one mold member A among the other mold members A is inserted. The pair of elastic pieces 2 at the other end of the base piece 1 are provided in the hollow portion B opposite to the hollow portion B of insert. As a result, two pairs of elastic pieces 2 face each other in the thickness direction of the form member A. By pressing the two inner peripheral surfaces of the empty portion B, the respective sets of the elastic pieces 2 are fixed to the form member A. Therefore, both formwork members A are fixed at predetermined positions via the base piece 1.

[0024]   FIG. 7 shows a fifth embodiment of a holder for a concrete pouring form member of the present invention. It is used to fix two formwork members standing upright at the bend in the orthogonal direction. Of.   Also in this holder, the base piece 1 has two divided pieces 10a, similar to the holder shown in FIG. 10b, a through hole is formed in the inner end of one of the divided pieces 10a, and the other is An elongated hole 14 is formed at the inner end of the divided piece 10b, and the divided pieces 10a and 10b are It is fixed by a screw 12 and a nut (not shown). Also each divided piece At the outer ends of 10a and 10b, plates gently curved so as to project inward. The spring-like elastic piece 2 forms an angle of 45 ° with the longitudinal direction of the base piece 1, It projects downwards one by one.

[0025]   This holder is used, for example, as follows. First, disconnect the two formwork members A. It is erected so as to abut on the surface L-shaped bent portion form member A ′ so that they are orthogonal to each other. Next, loosen the screw 12 and the nut, and divide the two pieces 10a and 10b along the elongated hole 14. By shifting the length, the length of the base piece 1 is adjusted to the distance between the two mold members A. Adjust and after that, tighten the screw 12 and the nut to fix them. And orthogonal The two mold members A and the base piece 1 are formed so as to form an angle of 45 ° with each other. The elastic piece 2 is inserted into the hollow portion B of the material A. As a result, the two elastic pieces 2 are The inner peripheral surfaces of the inner peripheral surfaces of the hollow portion B in the thickness direction of the member A, which are orthogonal to each other, are in contact with each other. And both mold members A are attracted in the 45 ° direction, so that both mold members A are connected in the orthogonal direction. It is fixed at that angle.

[0026]   In addition, although all the connection holders of the above-mentioned embodiments are made of metal, If the lateral pressure at the time of placing the cleat is small, it may be made of synthetic resin or the like.   Further, in all of the elastic pieces of these examples, the curved and projecting surface has a hollow portion. Although it is designed to contact the inner peripheral surface of the, the shape of the elastic piece is not limited to this. There is no. Also, in the first embodiment, two pairs of supporting pieces facing each other are placed above or below each pair. Although it is projected toward one side, three or more pairs of the guide pieces may be formed. Furthermore, the above In the example, the base piece is divided into two pieces and the positions are shifted to adjust the length. However, the base piece may be telescopic.

[0027]   In the fifth embodiment, only the case where the bent portion of the formwork panel is 90 ° has been described. It can be used in the same manner for bent portions having other angles.   Further, in these examples, only the plate-shaped members are described in detail. The block-shaped one can be used in the same manner.   Also, when removing the formwork member after concrete placement, peel off inside the formwork member. The agent may be applied.

[0028]

[Effect of device]

  As described above, the concrete placing formwork according to claim 1 of the present invention. According to the holder of the material, the elastic pieces projecting from both ends of the base piece are formed into two different molds. When inserted in the hollow part of the frame member, both form members are pressed against each other and Connected to.

[0029]   Further, the present invention provides a holder for a concrete pouring form member according to claim 2. According to this, the pair of elastic pieces projecting from the end of the base piece is installed in the hollow portion of the formwork member. , The pair of elastic pieces are fixed in the hollow portion of each form member, If the piece is fixed at a predetermined position on the floor, wall, etc., the formwork member will move to the predetermined position via the base piece. Fixed to.

[0030]   Further, the present invention provides a holder for a concrete pouring form member according to claim 3. According to this, each of the two elastic pieces protruding from both ends of the base piece is When inserted into the hollow part of a single formwork member, each set of elastic pieces is inserted into the hollow part of each formwork member. Once fixed, both formwork members are fixed in position via the base piece.   Further, the invention provides a holder for a concrete pouring form member according to claim 4 of the present invention. According to this, by adjusting the length of the base piece, the length of the two formwork members to be connected can be adjusted. It is possible to change the orientation, the interval and the position of the form members to be held and fixed.

[0031]   Still further, according to the present invention, the holder for the concrete placing form member according to claim 4 According to the method, the supporting piece protruding from the base piece can be inserted into the hollow portion of the formwork member. Since the mold member is supported in the direction orthogonal to the pressing direction of the elastic piece, The connecting portion between the frame members is bent by the lateral pressure applied to the frame members during the casting operation. Can be prevented.

[0032]   Thus, according to the holder of the present invention, the through hole is formed in the form member as in the conventional case. Or screw a bolt or bolt through the through hole, or screw a nut into the through hole. There is no trouble to do so, anyone can easily connect the formwork members and the desired state It is possible to hold the relative position of the both by fixing to.

[Brief description of drawings]

1A and 1B show a first embodiment of a holder of the present invention, wherein FIG. 1A is a perspective view showing a usage state, and FIG. 1B is a vertical sectional view in the usage state.

FIG. 2 is a perspective view showing another usage example of the first embodiment of the holder of the present invention.

FIG. 3 is a perspective view showing a usage state of a modified example of the first embodiment of the holder of the present invention.

FIG. 4 is a perspective view showing a second embodiment of the holder of the present invention in use.

FIG. 5 is a perspective view showing a third embodiment of the holder of the present invention in use.

6A and 6B show a fourth embodiment of the holder of the present invention, FIG. 6A is a perspective view showing a use state, and FIG. 6B is a vertical sectional view in the use state.

FIG. 7 is a perspective view showing a usage state of a fifth embodiment of the holder of the present invention.

8A and 8B show a state in which mold members are connected by a conventional holder, FIG. 8A is a front view, and FIG. 8B is a cross-sectional view.

9A and 9B show a state in which a mold member is fixed at a predetermined position by a conventional holding tool, FIG. 9A is a vertical sectional view, and FIG.
FIG.

[Explanation of symbols]

1 is the base piece 2 is an elastic piece 3 is a support piece A is a form member B is the hollow part

Claims (5)

[Scope of utility model registration request] 1. A holder for holding a plate-shaped or block-shaped concrete pouring form member having a plurality of hollow portions at predetermined positions, wherein the form member is provided at both ends of a base piece. Of at least one elastic piece that abuts on the inner peripheral surface of the hollow portion and presses the inner peripheral surface toward the central portion of the base piece is provided at least one by one. Holding device. 2. A holder for holding a plate-shaped or block-shaped concrete pouring form member having a plurality of hollow portions at a predetermined position, wherein at least one end of the base piece has the above-mentioned structure. A holder for a concrete pouring form member, characterized in that at least one set of two elastic pieces for pressing two opposing inner peripheral surfaces of the hollow portion of the form member are provided so as to project. 3. The holder for a concrete pouring formwork member according to claim 2, wherein one pair or more of said two sets of elastic pieces are provided at both ends of said base piece, respectively. 4. The holder for a concrete pouring formwork member according to claim 1, wherein the base piece is stretchable and can be fixed to a desired length. 5. The concrete casting according to any one of claims 1 to 4, wherein the base piece is provided with a supporting piece for supporting the form member in a direction orthogonal to a pressing direction of the elastic piece. A holder for an installation formwork member.