JPH057738U - Parts connection structure - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a parts connecting structure which is easy to work and can surely connect parts to each other in a contact state. A connecting rod 2 is provided that is coaxially opposed to each other and has a projection 2a on the same side that is orthogonal to the axis, and both connecting rods that face each other. 2 has a substantially U-shaped cross-section that can be externally fitted from the side, and receives a protrusion 2a of both connecting rods 2 during external fitting, and a fastening side 3b that gradually decreases the facing distance from the curved portion to the flat portion. Since the component connecting structure is configured from the joint plate 3 having the guide hole 3a, the component 1 can be operated by an extremely simple operation of fitting the joint plate 3 onto the opposing connecting rods 2 and rotating the joint plate 3 in a predetermined direction. Can be connected. Also, since the joint plate 3 rotates to bring the two projecting portions 2a of the connecting rod 2 closer to the inside and pull the parts 1 toward each other for pressure contact, the parts 1 can be reliably connected in the contact state.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  INDUSTRIAL APPLICABILITY The present invention relates to parts that require connection in the abutting state, particularly retaining wall blocks, water channel blocks, etc. The present invention relates to a component connecting structure useful for connecting concrete components.

[0002]

[Prior art]

  Conventionally, as this type of component connection structure, there is one shown in FIG. In the figure, 101 Is a concrete retaining wall block, and 102 is a nut embedded in each retaining wall block 101. , 103 is a fitting having a pair of bolt insertion holes, one of which is an elongated hole, 104 Is a bolt.

[0003]   The above retaining wall blocks 101 are arranged side by side with their side surfaces in contact with each other. Place the fitting 103 on the nut of the wall block 101 and attach the bolt 104 to the joint plate 10. It is connected by screwing it into each nut 102 through the insertion hole of 3.

[0004]

[Problems to be solved by the device]

  However, in the conventional component connection structure, the bolt 104 is screwed to each retaining wall block 101. Since it is necessary to insert it, the connecting work is extremely troublesome, and with a large number of retaining wall blocks 101 When constructing a retaining wall, only bolting requires a lot of man-hours, and the work cost is high. There is a big drawback.

[0005]   Also, due to errors in the embedded position of the nut 102 and the insertion hole position of the joint fitting 103, Bolts cannot be satisfactorily tightened, or the retaining wall block There is a drawback that gaps are easily formed between 101.

[0006]   Furthermore, if an external force is applied to the retaining wall block 101 after connection, the bolt 10 4 moves by the amount of the gap with the slot, creating a gap between the retaining wall blocks 101. It

[0007]   The present invention has been made in view of the above problems, and its purpose is to work. Provide a parts connecting structure that is easy to connect and can surely connect the parts to each other in a contacting state. There is something to do.

[0008]

[Means for Solving the Problems]

  In order to achieve the above-mentioned object, according to claim 1, each of the parts that require connection in the abutting state is Coaxially facing each other with a gap, and has a protrusion that is orthogonal to the axis on the same side. And a connecting rod that has a substantially U-shaped cross-section that can be externally fitted to both opposing connecting rods, Receiving the projections of both connecting rods when fitting them outside, and facing from the curved part to the flat part Component connection structure with joint plate having guide holes with fastening sides whose spacing becomes gradually smaller After fitting the joint plates to both connecting rods facing each other and inserting both protrusions into the guide holes, The joint plate is rotated in a predetermined direction.

[0009]   Further, in claim 2, in the component connecting structure according to claim 1, the joint plate after rotation And both connecting rods are covered with a hardening material.

[0010]   Further, in claim 3, in the component connecting structure according to claim 1 or 2, the fastening side is Is formed on at least the end portion thereof.

[0011]

[Action]

  In the component connecting structure according to claim 1, the joint plates are fitted onto the opposing connecting rods to oppose each other. When the joint plate is rotated in the specified direction after inserting the raised part into the guide hole, the facing distance gradually increases. By the next smaller fastening side, both protrusions are pressed inward and gradually approach, Along with this, the parts are attracted to each other and pressed against each other.

[0012]   In the component connecting structure according to claim 2, the joint plate and both connecting rods after rotation are in the same state. It is fixed by the hardened material. In addition, the joint plate and both connecting rods can be Prevents rust and corrosion by preventing contact with rainwater and outside air.

[0013]   In the component connecting structure according to claim 3, when the joint plate is rotated, both protrusions are connected to each other at the fastening sides. It penetrates into the unevenness and strengthens the mutual connection.

[0014]

【Example】

  1 to 8 show an embodiment of the present invention, and FIG. 1 is a block diagram of a component connecting structure. 2 is a perspective view of the joint plate, FIG. 3 is a developed view of the joint plate, and FIGS. 4 to 8 are explanations of the connecting operation. It is a clear view.

[0015]   In FIG. 1, 1 is a concrete retaining wall block, 2 is each retaining wall block 1. The connecting rods 3 provided are joint plates.

[0016]   The retaining wall blocks 1 are arranged side by side with their side surfaces in contact with each other to form a retaining wall. Therefore, a square void 1a is formed at the corner of the contact surface of each retaining wall block 1. Has been done.

[0017]   The connecting rod 2 is made of steel bar having a circular cross section or deformed steel bar, and one end of the bar is an end of the steel bar. The protrusion 2a is formed by bending the portion at a right angle. This connecting rod 2 The end portion on the opposite side of the raised portion 2a is embedded in the center of each of the facing walls of the void portion 1a, and They are opposed to each other on the shaft, and both protrusions 2a face upward. Also, the projection of the connecting rod 2 The length is shorter than the width of the void portion 1a, and the two connecting rods 2 are in contact with the retaining wall block 1. A predetermined space is formed between them.

[0018]   As shown in FIG. 2, the joint plate 3 has a U-shaped cross section that can be externally fitted to the connecting rod 2 from the side. It has a shape, and one flat part is formed longer than the other. In addition, The hand plate 3 has two guide holes having an inverted V shape from the curved portion to the flat portion on the long side. 3a is formed, and the facing distance is gradually reduced at the outer edges of both guide holes 3a. The fastening side 3b is formed. The inner diameter of the curved portion of each guide hole 3a is the protrusion of the connecting rod 2. It is slightly larger than the diameter of the portion 2a, and is almost the same as the protruding portion 2a of the connecting rod 2 in the opposing state. It has a consistent spacing. Further, the inner diameter of the flat portion of each guide hole 3a is equal to the protrusion 2a. The cross-section diameter is almost the same.

[0019]   The joint plate 3 has the same shape as the guide hole 3a at the center of the rectangular steel plate 4 shown in FIG. Of the long hole 4a is punched, and the center line of the large diameter part of the long hole 4a (one-dot chain line in the figure ) Is centered and it is bent and formed in a U shape.

[0020]   Below, referring to FIG. 1 and FIGS. 4 to 7, the connection operation of the retaining wall block 1 will be described. Explain. First, as shown in FIG. 1, the retaining wall blocks 1 to be connected are connected to each other. They are arranged side by side with their surfaces in contact with each other. In this state, the connecting rods 2 of both retaining wall blocks 1 are coaxial. Opposing at a distance above.

[0021]   Next, as shown in FIGS. 4 and 6, the joint plates 3 are attached to the opposing connecting rods 2 from above. External fitting is performed, and both protrusions 2a are inserted into the curved portion of the guide hole 3a. The inner diameter of the same part is continuous Since the diameter of the projection 2a of the rod 2 is formed to be slightly larger than that of the projection 2a, Insertion is easy.

[0022]   Next, as shown in FIGS. 5 and 7, the joint plate 3 is rotated counterclockwise about the connecting rod 2. Rotate about 90 °. In this rotation process, the fastening sides 3b of both guide holes 3 Both projections 2a are pressed inward and gradually approach, and along with this, both retaining wall blocks 1 Are attracted to each other and pressed. For the rotation of the joint plate 3, the end of each guide hole 3 has both protrusions. It is completed when it comes into contact with the portion 2a.

[0023]   Next, as shown in FIG. 8, mortar and concrete are placed in the voids 1a of both retaining wall blocks 1. A joint plate after rotation, which is filled with a hardening material 5 such as a leot according to the outer shape of the block 1. 3 and both connecting rods 2 are covered. As a result, the joint plate 3 is cured by curing the curing material 5. Also, both connecting rods 2 are fixed in the same state.

[0024]   In the above-described component connecting structure, the joint plates 3 are fitted onto the opposing connecting rods 2 in a predetermined direction. The retaining wall block 1 can be connected by an extremely simple operation of simply rotating In comparison with the conventional one, which requires bolt tightening, the work man-hour is significantly reduced and There is an advantage that the strike can be reduced.

[0025]   Also, by rotating the joint plate 3, both projections 2a of the connecting rod 2 are brought closer to the inside, and the retaining wall block is rotated. Since the hooks 1 can be pulled together and pressed against each other, the retaining wall block 1 can be securely contacted. There is an advantage that they can be connected and construction can be done without defects.

[0026]   Further, by covering the joint plate 3 and both connecting rods 2 after the rotation with the hardening material 5, both While keeping the same state, prevent the joint plate 3 from loosening due to rattling or impact. There is an advantage.

[0027]   Furthermore, the hardening material 5 allows the joint plate 3 and the two connecting rods 2 to come into contact with rainwater, outside air, and the like. Since the touch is prevented, neither rust nor corrosion occurs on both members.

[0028]   10 and 11 show another embodiment of the joint plate, and FIG. 10 is a perspective view of the joint plate. 11 and 12 are development views of the joint plate. The joint plate 13 shown in FIG. It has a U-shaped cross-section that can be fitted from the side, and one flat portion is It is formed long. In addition, the joint plate 13 is changed from a curved portion to a flat portion on the long side. An inverted trapezoidal guide hole 13a is formed over the inner edge of the guide hole 13a. Is formed with a fastening side 13b whose facing distance is gradually reduced. This joint plate 13 Is a long hole 1 having the same shape as the guide hole 13a in the center of a rectangular steel plate 14 shown in FIG. 4a is punched and the center line (dashed line in the figure) of a large part of the elongated hole 14a is formed. It is formed by bending it into a U shape as the center.

[0029]   This joint plate 13 can be used in place of the joint plate 3 described above, and The connection operation and effect of can be obtained.

[0030]   FIG. 12 is a perspective view showing another embodiment of the joint plate. The joint plate 23 shown in FIG. , Has a U-shaped cross section that can be externally fitted to the connecting rod 2 and has a flat portion on one side. Is formed to be longer than the other. In addition, the joint plate 23 has a long side from the curved portion. Two guide holes 23a having an inverted V shape are formed over the flat portion of the The outer edge of 3a is formed with a fastening side 23b whose facing distance is gradually reduced. There is. The inner diameter of the curved portion of each guide hole 23a is slightly larger than the diameter of the protruding portion 2a of the connecting rod 2. It is large and has an interval substantially corresponding to the protrusion 2a of the connecting rod 2 in the opposed state. There is. The inner diameter of the flat portion of each guide hole 23a is substantially equal to the cross-sectional diameter of the protrusion 2a. is doing. Further, sawtooth-shaped unevenness 23c is formed at the end portion of each fastening piece 23b. It is

[0031]   This joint plate 23 can also be used in place of the joint plate 3 described above. In the process of rotating the hand plate 23, the projections 2a of the two connecting rods 2 are made into the unevenness 23c of the fastening side 23b. It can dig in and strengthen the bond with each other. The unevenness 23c is shown in FIG. It can also be applied to the joint plate 13 shown, and its shape may be a shape other than a saw tooth. other The effect of is similar to that of the above embodiment.

[0032]   FIG. 13 is a perspective view showing another embodiment of the retaining wall block and the connecting rod. Shown in the figure The retaining wall blocks 31 are arranged side by side in a state where the side surfaces of the retaining wall blocks 31 are in contact with each other to form the retaining wall. Because of the construction, one side of the contact surface of each retaining wall block 31 has a quadrangle of a predetermined depth. Voids 31a are formed. The connecting rod 32 is made of steel bar with a circular cross section. A protrusion 32a is formed at one end by bending the end of the steel bar at a right angle. . The connecting rod 32 has an end portion on the side opposite to the protruding portion 32a facing the void portion 31a. They are embedded in the center of each wall and are coaxially opposed to each other, and both protrusions 2a face forward. There is. Further, the protruding length of the connecting rod 32 is shorter than the width of the void portion 31a, and the retaining wall block A predetermined gap is formed between the connecting rods 32 in a state in which the hook 31 is in contact.

[0033]   Even in the case of the retaining wall block 31 and the connecting rod 32, all the joint plates described above 3,13,23 can be used. When connecting, place the joint plates 3, 13, 23 on both sides It suffices if it is fitted onto the connecting rod 32 and the joint plates 3, 13 and 23 are rotated counterclockwise. , Similar connection operation and effect can be obtained.

[0034]   In the above embodiment, the joint plate after rotation and both connecting rods were coated with a hardening material. However, if sufficient joint strength can be obtained by connecting the joint plates, the cured material may be used. The coating is not always necessary. In addition, it is placed side by side as a connection target Retaining wall blocks are shown, but retaining wall blocks and waterway blocks that can be stacked vertically Other concrete parts may be used as a target. It can be applied to the entire product.

[0035]

[Effect of device]

  As described in detail above, according to the component connecting structure of the first aspect, both opposing connections Connecting the parts with a very simple operation of fitting the joint plate on the rod and rotating it in the specified direction. It can be tied and requires less work man-hours compared to the conventional one that requires bolt tightening. There is an advantage that the cost can be drastically reduced to reduce the cost. Also, the joint rod can be rotated by rotating the joint plate. Since the two protruding parts of the parts can be brought inward and the parts can be pulled together and pressed together, There is an advantage that they can be reliably connected in the contact state.

[0036]   Further, according to the component connecting structure of the second aspect, the joint plate after rotation and the both connecting rods are By coating with a hardening material, both are fixed in the same state, and the joint plate rattles and impacts. There is an advantage that both of them can be prevented from loosening due to strikes. Also, the joint plate made of hardened material Also, since the contact of rainwater, outside air, etc. to both connecting rods is prevented, both members are rusted or corroded. Does not occur.

[0037]   Further, according to the component connecting structure of the third aspect, both connecting rods are rotated in the process of rotating the joint plate. There is an advantage that the protrusions can be bitten into the concavities and convexities of the fastening side to strengthen the mutual connection.

[Brief description of drawings]

FIG. 1 is a block diagram of a parts connecting structure showing an embodiment of the present invention.

FIG. 2 is a perspective view of a joint plate.

[Fig. 3] Development view of joint plate

FIG. 4 is an explanatory diagram of a connecting operation.

FIG. 5 is an explanatory diagram of a connecting operation.

FIG. 6 is an explanatory diagram of a connecting operation.

FIG. 7 is an explanatory diagram of a connecting operation.

FIG. 8 is an explanatory diagram of a connecting operation.

FIG. 9 is a configuration diagram of a component connection structure showing a conventional example.

FIG. 10 is a perspective view showing another embodiment of the joint plate.

FIG. 11 is a development view of a joint plate

FIG. 12 is a perspective view showing another embodiment of the joint plate.

FIG. 13 is a perspective view showing another embodiment of the retaining wall block and the connecting rod.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Retaining wall block, 2 ... Connection rod, 2a ... Projection part, 3 ... Joint plate, 3a ... Guide hole, 3b ... Fastening side, 5 ... Hardened material, 1
3 ... Joint plate, 13a ... Guide hole, 13b ... Fastening side, 23 ...
Joint plate, 23a ... Guide hole, 23b ... Fastening side, 31 ... Retaining wall block, 32 ... Connecting rod, 32a ... Projection part.

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display area E04B 2/02

Claims (3)

[Scope of utility model registration request] 1. A connecting rod, which is provided in such a manner as to be coaxially opposed to each other in abutment with each other and requires a connection, and which has a projection portion orthogonal to the axis on the same side, and both opposing connecting rods. A guide hole having a substantially U-shaped cross-section that can be externally fitted from the side is provided with a fastening side that receives the projections of both connecting rods at the time of external fitting and has a fastening side where the facing distance gradually decreases from the curved portion to the flat portion. And a joint plate, and the joint plate is fitted onto both opposing connecting rods so that the joint plates are rotated in a predetermined direction after inserting both projections into the guide holes. . 2. The component connecting structure according to claim 1, wherein the joint plate after rotation and both connecting rods are covered with a hardening material. 3. The component connecting structure according to claim 1, wherein unevenness is formed on at least a terminal portion of the fastening side.