JP4491435B2 - Temporary floorboard connection structure - Google Patents

Description

  The present invention can be applied to construction sites, construction material storage areas, parking lots, parks, unpaved roads, sidewalks, and other grounds, as well as event venues such as open spaces, baseball fields, soccer fields, and athletic field fields. The present invention relates to a temporary laying board laid on a tuker, natural turf, and artificial turf).

As a conventional temporary floorboard, for example, there is one described in Patent Document 1. This temporary laying board is a temporary laying board formed by symmetrically combining two upper and lower plastic plate members, and has a concave and convex engaging portion on each side, and at least along two parallel sides facing each other. A connecting hole is formed, and a long connecting member such as a connecting pipe, rope, chain, or bar is inserted into the connecting hole, so that adjacent temporary floor plates are connected and temporarily installed. is there.
JP-A-11-152706

  According to the temporary base plate described in Patent Document 1, since the temporary base plate is formed by symmetrically combining two upper and lower plastic plate members, the manufacturing cost is high and the assembly takes time, Moreover, in this temporary floorboard, a number of temporary floorboards are temporarily connected by a series of connecting pipes, etc., so that one of the temporary floorboards may be damaged after being connected. In order to replace the temporary floor plate, it is necessary to pull out a series of connecting pipes connecting a large number of temporary floor plates, and to separate the numerous temporary floor plates. is there.

In view of the above problems, the present invention is simple in structure and low in production cost, can be easily and easily connected between temporary floor boards, and one of a lot of temporary floor boards connected to each other is damaged. only temporary for decking thereof damaged when it is necessary to be replaced by, for example, to be able easily removed from the adjacent other temporary for decking, coupled temporary for decking that allow new and easily replaced The purpose is to provide a structure .

Means for solving the above problems will be described with reference numerals of the embodiments described later. The connection structure of the temporary floorboard A of the invention according to claim 1 is that of the plastic plate main body 1 having a quadrangular shape. The plate body side pin insertion passage 4 is formed such that the recesses 2 and the protrusions 3 alternately engaging with each other are formed on each side, and the plate body 1 crosses the recess 2 along the side forming the recess 2. The convex portion side pin insertion passages such that each convex portion 3 communicates coaxially with the plate main body side pin insertion passage 4 in a state in which the convex portions 3 are engaged with the concave portions 2 of the other plate main bodies 1. 5, in the plate body side pin insertion passage 4, the pin body portion 7 of the lock pin 6 including the pin body portion 7 and the pin handle portion 8 projecting in a right-angled laterally L shape from one end thereof , Inserted in a slidable and rotatable manner between the connecting position crossing the recess 2 and the storage position retracted from the recess 2. The was, the plate main body side pin insertion path 4 is set to open groove 4a to open a part of a plate body surface 1a, in the opening groove 4a, the pin grip portion 8 in the connecting position of the pin body section 7 is retracted 1 is provided with a horizontal groove 9 and a second horizontal groove 10 into which the pin grip portion 8 is inserted at the storage position of the pin main body portion 7, and the pin of the lock pin 6 is engaged with the concave portion 2 and the convex portion 3. By sliding the main body portion 7 to the connecting position, the adjacent plate main bodies 1 are connected to each other.

The second aspect of the present invention is the connecting structure of the temporary floorboard A according to the first aspect, wherein the first lateral groove 9 and the second lateral groove 10 have a pin of the lock pin 6 immersed in the lateral groove 9, 10 on the respective inner wall surface. In order to raise the handle part 8, the insertion part 11 which inserts an operator's finger and a rod-shaped body is recessedly provided, It is characterized by the above-mentioned.

According to a third aspect of the present invention, in the connecting structure of the temporary floorboard A according to the first aspect, the first horizontal groove 9 and the second horizontal groove 10 are such that the bottom surfaces of the horizontal grooves 9 and 10 face the plate body surface 1a from the bottom of the opening groove. It is characterized by being formed on the inclined surfaces 9a and 10a that are inclined upward.

According to a fourth aspect of the present invention, in the connection structure of the temporary floorboard A according to the third aspect, the first lateral groove 9 and the second lateral groove 10 are formed deeper on the upstream end side of the inclined bottom surfaces 9a, 10a, It is characterized by forming an insertion portion 12 for inserting an operator's fingers or a rod-like body.

A fifth aspect of the present invention is a connection structure of the temporary temporary base plate B that is used by being connected to the temporary base plate A according to any one of the first to fourth aspects, and is a side of a plastic plate main body 21 having a quadrangular shape. A convex portion 3 is formed in the convex portion 3, and the convex portion 3 is coaxial with the plate body side pin insertion passage 4 of the peripheral temporary base plate B in a state where the convex portion 3 is engaged with the concave portion 2 of the temporary base plate A. A pin insertion passage 5 that communicates with the pin insertion passage 5 is provided.

Claim 6 is a connection structure C of the temporary temporary base plate used by being connected to the temporary base plate A according to any one of claims 1 to 4, wherein one side of the plastic plate main body 31 forming a quadrangle. The pin insertion passage 4 is formed so as to cross the recess 2 in parallel with the one side, and the pin main body portion 7 of the lock pin 6 is inserted into the pin insertion passage 4. The pin insertion passage 4 is slidably and rotatably inserted between the crossing connection position and the storage position retracted from the recess 2, and a part of the pin insertion passage 4 is formed as an opening groove 4 a that opens to the plate body surface 31 a, and the opening groove 4 a the, the first lateral grooves 9 pin handle 8 in the connecting position of the pin body section 7 is retracted, the pin handle portion 8 is provided with a second lateral grooves 10 which retracts by the storage position of the pin body section 7 It is characterized by that.

A seventh aspect of the present invention is characterized in that, in the connection structure of the temporary temporary base plate B 1 according to the fifth aspect, a slope 20 is formed on the surface 21a of the plate body 21 in a region opposite to the convex portion 3. To do.

An eighth aspect is characterized in that, in the connection structure of the temporary temporary base plate C according to the sixth aspect, a slope 20 is formed on the surface 31 a of the plate body 31 in a region opposite to the concave portion 2. .

The effect of the invention by the above-described solution means will be described with reference numerals in the embodiments described later. According to the invention according to claim 1, in order to lay the temporary floorboard A in the front-rear and left-right directions, The recesses 2 and the protrusions 3 of the plate main bodies 1 and 1 of the temporary floor plates A and A adjacent to each other are engaged with each other, and the pin handle portion 8 of the lock pin 6 is caused from the second lateral groove 10 to 8, the pin main body 7 is slid from the storage position to the connection position, thereby connecting the concave portion 2 and the convex portion 3 engaged with each other. Then, the concave portion 2 and the convex portion 3 of the plate main bodies 1 and 1 are engaged with each other, and the pin main body portion 7 of the lock pin 6 is slid from the storage position to the coupling position, whereby the concave portion 2 and the convex portion that are engaged with each other are projected. Since it is only necessary to connect the part 3, the temporary floor plate A Can make coupling of bovine easy easily, also grip portion 8 of the locking pin 6, by post ligation is retracted into the first lateral grooves 9, it does not project on the surface of the plate main body 1a.

In addition, after the temporary laying plate A is laid, when a part of the temporary laying plate A is damaged and needs to be replaced, the pin grip portion 8 of each lock pin 6 attached to the temporary laying plate A that needs to be replaced. If the pin main body portion 7 is slid from the connecting position to the storage position by the pin grip portion 8, the temporary floor plate A is separated from other temporary floor plates A adjacent thereto. Therefore, it is possible to easily and easily replace the temporary floor plate A that needs to be replaced with a new one. In addition, the temporary floorboard A has a simple structure, so that the manufacturing cost is low.

The lock pin 6 has a simple structure formed in an L shape with a pin body portion 7 and a pin handle portion 8 projecting from one end of the lock pin 6 at right angles and laterally. Formation of the first lateral groove 9 and the second lateral groove 10 is also facilitated.

According to the second aspect of the present invention, the first lateral groove 9 and the second lateral groove 10 are provided with a finger or a rod-like body of an operator in order to cause the pin grip portion 8 of the lock pin 6 that is immersed in the lateral grooves 9, 10. Since the insertion portion 11 to be inserted is recessed, the handle portion 8 can be easily raised by inserting a rod-like body such as the operator's finger f or a driver into the insertion portion 11.

According to the third aspect of the present invention, the first horizontal groove 9 and the second horizontal groove 10 are inclined surfaces 9a in which the bottom surfaces of the respective horizontal grooves 9, 10 are inclined upward from the bottom of the opening groove 4 toward the plate body surface 1a. 10a, when the pin handle portion 8 of the lock pin 6 that is immersed in each lateral groove 9 and 10 is caused, the upstream side of the inclined bottom surface of each lateral groove 9 and 10 By inserting a rod-like body such as a finger f or a driver, the pin grip portion 8 can be easily raised.

According to the invention of claim 4, as shown in FIG. 5 (b) , the first lateral groove 9 and the second lateral groove 10 are formed deeper on the upstream end side of each of the inclined bottom surfaces 9a, 10a, Since the insertion portion 12 for inserting the operator's fingers and a rod-like body is formed, the pin grip portion 8 can be easily raised.

  In the temporary temporary base plate B according to the fifth aspect of the present invention, the convex portion 3 is engaged with the concave portion 2 of one temporary base plate A located for the periphery of the temporary base plate connecting structure as shown in FIG. After that, by sliding the pin main body portion 7 of the lock pin 6 from the storage position to the connection position in exactly the same way as in the case of the temporary installation base plate A described above, The plate main body 21 can be connected to the plate main body 1 of the temporary laying plate A. Therefore, by using the peripheral temporary laying plate B, the uneven portion 2 of the temporary laying plate A is formed around the temporary laying plate connecting structure. , 3 is not exposed, and appearance and appearance are improved.

  In the temporary temporary base plate C according to the sixth aspect of the present invention, the concave portion 2 is engaged with the convex portion 3 of the temporary base plate A located for the periphery of the temporary base plate connecting structure as shown in FIG. In this state, by sliding the pin body portion 7 of the lock pin 6 provided on the peripheral temporary base plate C from the storage position to the connecting position, the plate main body 31 of the peripheral temporary base plate C is moved to the temporary base plate. A can be connected to the plate body 1 of A, therefore, by using this temporary temporary base plate C, the uneven portions 2, 3 of the temporary base plate A are not exposed around the temporary base plate connecting structure, Appearance and appearance are improved.

According to the invention of claim 7, as shown in FIG. 9 (a-1), since it is the peripheral temporary base plate B 'with a slope, for example, the peripheral temporary base plate B' is laid on a baseball field or the like. If the temporary floorboard connection structure for the event venue is formed, there will be no steps around the temporary floorboard connection structure, and there is a risk of catching shoes when entering the temporary floorboard connection structure. Can be avoided.

According to the eighth aspect of the invention, as shown in FIG. 9 (b-1), since it is the peripheral temporary base plate C 'with a slope, for example, the peripheral temporary base plate C' is laid on a baseball field or the like. If the temporary floorboard connection structure for the event venue is formed, there will be no steps around the temporary floorboard connection structure, and there is a risk of catching shoes when entering the temporary floorboard connection structure. Can be avoided.

A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 (a) is a perspective view of the temporary temporary installation board A according to the present invention as viewed from the surface side, and FIG. FIG. 2A is a plan view of the temporary floorboard A, and FIG. 2B is a side view of the temporary floorboard A viewed from the arrow A in FIG. (c) is a side view of the temporary for decking a from the arrow b of (a), (a) is a bottom view of the temporary for decking a in FIG. 3, is a plan view of (b) is a lock pin . 4A is a plan view showing a use state in which a large number of temporary floorboards A are connected, and FIG. 4B is an enlarged view of a portion indicated by an arrow c in FIG.

  The temporary floor plate A is composed of a plastic plate main body 1 having a substantially equal side length, and each side of the square plate main body 1 has a concave portion 2 and a convex portion that engage with each other. The portions 3 are formed alternately. Referring to FIG. 2 (a), a convex portion 3 is formed on the left side of the upper side of the rectangular plate body 1, and a convex portion 3 is formed on the right side of the lower side. A recess 2 is formed in the lower half of the right side of the side and a recess 2 is formed in the upper half of the left side. Further, only a part of the surface 1a of the plate main body 1 is indicated by an arrow D in FIG. 2 (a), and as shown in FIGS. As shown in FIG. 1B and FIG. 3, the ribs r are formed on the back side in the form of vertical and horizontal grids and diagonal lattices.

  There is a plate body side pin insertion passage 4 that crosses the recess 2 along the side where the recess 2 is formed in the plate body 1 (the right side and the left side when referring to FIG. 2A). It extends in parallel so as to cover the entire side, and each convex portion 3 communicates coaxially with the plate body side pin insertion passage 4 in a state where the convex portion 3 is engaged with the concave portion 2 of the other plate body 1. Such a convex part side pin insertion path 5 is penetrated in the direction orthogonal to the plate main body side pin insertion path 4.

  In the plate body side pin insertion passage 4, a lock pin formed in an L shape as shown in FIG. 3 (b) with a pin body portion 7 and a pin grip portion 8 projecting laterally at right angles from one end portion thereof. The pin body portion 6 of FIG. 6 extends over the connecting position that crosses the recess 2 as shown on the left side of FIG. 2 (a) and the storage position retracted from the recess 2 as shown on the right side of FIG. 2 (a). It is slidably and rotatably inserted.

  Further, as can be seen from FIG. 1 (a) and FIG. 2 (a), a part of the plate body side pin insertion passage 4 is formed as an opening groove 4a opened in the surface 1a of the plate body 1, The opening groove 4a has a first horizontal groove 9 into which the pin handle portion 8 is inserted when the pin main body portion 7 is in the coupling position, and a second horizontal groove 10 into which the pin handle portion 8 is inserted when the pin main body portion 7 is in the storage position. Are branched so as to be orthogonal to the opening groove 4a. The bottom surfaces 9a and 10a of the first lateral groove 9 and the second lateral groove 10 are parallel to the surface 1a of the plate body 1 as indicated by broken lines in FIG.

  As can be seen from FIGS. 1 (a) and 2 (a), the first lateral groove 9 and the second lateral groove 10 have pin grips for the lock pins 6 that are immersed in the lateral grooves 9 and 10, respectively. In order to cause the portion 8, an insertion portion 11 for inserting a rod-like body such as an operator's finger or a tool is recessed.

Next, when the temporary floorboard A having the above-described structure is laid in a predetermined place in the front-rear and left-right directions as shown in FIG. 4, the plate bodies of the temporary floorboards A and A adjacent in the front-rear direction By engaging the concave portion 2 and the convex portion 3 facing each other and sliding the pin body portion 7 of the lock pin 6 from the storage position to the coupling position, the concave portion 2 and the convex portion that are engaged with each other are projected. The pin body portion 7 of the lock pin 6 is engaged with the concave portion 2 and the convex portion 3 which are connected to the portion 3 and are opposed to each other in the plate bases 1 and 1 of the temporary floor plates A and A adjacent in the left-right direction. Is slid from the storage position to the connecting position, thereby connecting the recessed portion 2 and the protruding portion 3 engaged with each other. FIG. 4 (a) shows a state in which a large number of temporary floorboards A are connected in the front-rear and left-right directions in this way, and FIG. 4 (b) is an enlarged view of the portion indicated by arrow c in (a). .

  The connecting method of the recessed portion 2 and the protruding portion 3 engaged with each other will be described in more detail with reference to FIG. 2 as well, when the pin body portion 7 of the lock pin 6 is retracted to the storage position. The pin handle of the lock pin 6 that engages the concave portions 2 and the convex portions 3 of the plate main bodies 1 and 1 of the temporary floor plates A and 1 adjacent to each other in the left-right direction, and is immersed in the second lateral groove 10. After the portion 8 is caused to escape from the second lateral groove 10, the pin handle portion 8 is used to slide the pin main body portion 7 along the opening groove 4a of the plate main body side pin insertion passage 4 from the storage position to the coupling position. The concave portion 2 and the convex portion 3 are coupled by After this connection, the lock pin 6 is locked at the connection position by tilting the pin grip portion 8 of the lock pin 6 into the first lateral groove 9 and immersing it.

  In order to cause the pin grip portion 8 of the lock pin 6 from the second lateral groove 10, an operator's finger is inserted into the insertion portion 11 provided in the second lateral groove 10, or a screwdriver or the like is inserted. If lifted up, the pin grip portion 8 can be easily raised.

  After laying a large number of temporary laying boards A in a predetermined place as described above, when some temporary laying boards A are damaged and need to be replaced, they are attached to the temporary laying boards A that need to be replaced. If the pin handle portion 8 of each lock pin 6 is raised from the first lateral groove 9 and the pin main body portion 7 is slid from the coupling position to the storage position by the pin handle portion 8, the temporary floor plate A is adjacent to this. Since it can be separated from the other temporary base plate A, only the temporary base plate A that has been damaged and needs to be replaced can be removed and replaced with a new one.

The temporary floorboard A according to the present invention includes a plaza, a baseball stadium, a soccer field, a field of athletics stadium (including an ann tuker, natural turf, artificial turf), etc. It can be installed easily and easily on the ground of parking lots, parks, unpaved roads and sidewalks.

  In the embodiment shown in FIG. 1 to FIG. 4, the first lateral groove 9 and the second lateral groove 10 of the plate body side pin insertion passage 4 have respective inner wall surfaces 9 a and 10 a as planes parallel to the surface 1 a of the plate body 1, In the inner wall surfaces of the grooves 9 and 10, the insertion portion 11 for inserting the operator's fingers and a rod-like body is provided in order to cause the pin grip portion 8 of the lock pin 6, but the embodiment of FIGS. Then, each bottom groove 9a, 10a of each of the first lateral groove 9 and the second lateral groove 10 is formed in an inclined surface that is inclined upward from the bottom of the opening groove 4a toward the surface 1a of the plate body 1, whereby each lateral groove 9 is formed. , 10 when the pin handle portion 8 of the lock pin 6 is raised, the operator's fingers f and a screwdriver (screwdriver) etc. are provided on the upstream end side of the inclined bottom surfaces 9a, 10a of the respective lateral grooves 9, 10 The pin handle 8 of the lock pin 6 can be easily inserted by inserting the rod-shaped body So that it can cause. The inclination angle of the inclined bottom surfaces 9a and 10a with respect to the horizontal plane is preferably about 30 ° to 45 °.

  In this case, the inclined bottom surfaces 9a and 10a of the first lateral groove 9 and the second lateral groove 10 are formed deeper on the upstream end side as shown in FIG. If the insertion portion 12 to be inserted is formed, it is easy to grasp the tip end portion of the pin handle portion 8 of the lock pin 6 immersed in each lateral groove 9, 10 with a finger f, or a rod-like body is attached to the tip end portion of the pin handle portion 8. Since it becomes easy to hook, the pin grip portion 8 can be easily raised.

Figure 7 is a peripheral for temporary coupling to the temporary for decking A positioned for peripheral numerous temporary for decking A the longitudinal and lateral directions as shown in FIG. 4 which is laid linked to a temporary for decking connecting structure The floor boards B and C are shown, and FIG. 8 shows how to use the peripheral temporary floor boards B and C. In other words, since the temporary base plate A has the concave portion 2 and the convex portion 3 formed on each side of the quadrangle, as can be seen from FIGS. 4A and 4B, the temporary base plate A is provided around the temporary base plate connecting structure. In this case, the concave and convex portions 2 and 3 of the temporary floor plate A are exposed, and the appearance and appearance are deteriorated, and the shoe toes and the like are caught and damaged. Therefore, peripheral temporary base plates B and C, which are different from the temporary base plate A and do not expose the uneven portions 2 and 3 around the temporary base plate connecting structure, are provided. C is formed in a rectangular shape having a size that is obtained by dividing the square temporary floorboard A into two parts, and a concave portion 2 or a convex portion 3 is formed on one long side thereof.

  As shown in FIGS. 7 (a-1) and (a-2), the peripheral temporary base plate B is one length of a rectangular plate main body 21 having a size such that the square temporary base plate A is divided into two parts. A convex portion 3 is formed on the side, and the convex portion 3 communicates coaxially with the plate body side pin insertion passage 4 of the temporary base plate A in a state where the convex portion 3 is engaged with the concave portion 2 of the temporary base plate A. Such a pin insertion passage 5 is penetrated. Reference numeral 21 a denotes the surface of the plate body 21. As shown in FIGS. 7 (b-1) and (b-2), the peripheral temporary laying plate C is recessed on one long side of the rectangular plate body 31 having the same size as the peripheral temporary laying plate B. 2 and a pin insertion passage 4 that passes through the recess 2 in parallel with the one long side is formed through the pin insertion passage 4, and a pin body portion 7 of the lock pin 6 is provided in the recess 2. The pin insertion passage 4 is slidably and rotatably inserted through a connecting position crossing the recess and a retracted position retracted from the concave portion 2, and a part of the pin insertion passage 4 serves as an opening groove 4a opening on the plate body surface 31a. 4a is provided with a first lateral groove 9 into which the pin handle portion 8 is immersed at the connecting position of the pin body portion 7 and a second lateral groove 10 into which the pin handle portion 8 is inserted at the storage position.

  Since the concave portion 2, the convex portion 3, the pin insertion passages 4, 5, the opening groove 4a, and the lock pin 6 in the peripheral temporary base plates B and C have the same configuration as the temporary base plate A, the same members are used. Are denoted by the same reference numerals, and detailed description thereof is omitted. Further, the configuration of the inclined surfaces 9a and 10a shown in FIG. 6 is also applied to the first horizontal groove 9 and the second horizontal groove 10 of the temporary temporary installation base plate C. In this embodiment, the peripheral temporary base plates B and C have a rectangular shape that is obtained by dividing the square temporary base plate A into two parts. However, the peripheral temporary base plates B and C may be a square having the same size as the square temporary base plate A. Good.

Thus, the floor plate peripheral for temporary B, in use and C, first, around a temporary for laying plate B has its protrusion 3 is located in the peripheral temporary for decking connecting structure as shown in FIG. 8 When engaged with the recess 2 of one temporary base plate A, the pin body portion 7 of the lock pin 6 is slid from the retracted position to the connected position in exactly the same way as in the case of the temporary base plate A described above. By doing so, the plate body 21 of the temporary temporary installation base plate B can be connected to the plate main body 1 of the temporary installation base plate A. Similarly, in the state where the peripheral temporary base plate C is engaged with the convex portion 3 of the temporary base plate A located for the periphery of the temporary base plate connecting structure shown in FIG. By sliding the pin main body portion 7 of the lock pin 6 provided on the peripheral temporary base plate C from the storage position to the connecting position, the plate main body 31 of the peripheral temporary base plate C is moved to the plate main body 1 of the temporary base plate A. Can be linked to.

9 shows a temporary temporary base plate B ′ with a slope in which a slope 20 is formed on the outer end side of the plate main body surfaces 21a, 31a of the peripheral temporary base plates B, C shown in FIG. , an illustration of a C ', (a-1) in FIG. 9, the plate body surface 21a near a temporary for decking B, peripheral sloped forming a slope 20 in the region opposite to the recess 2 It is a top view of temporary floorboard B ', (a-2) is the front view. FIG. 9B-1 is a plan view of the peripheral temporary base plate C ′ with a slope in which a slope 20 is formed in a region opposite to the convex portion 3 of the plate body surface 31a of the peripheral temporary base plate C. (B-2) is a front view thereof. The configuration other than the slope 20 is exactly the same as the temporary temporary base plates B and C in FIG. For example, when the slope 20 is formed on a natural or artificial turf of a baseball stadium, the temporary floorboard A and the peripheral temporary floorboards B and C are formed to form a temporary floorboard connecting structure for an event venue. When there is a step in the periphery when a foot is stepped on the temporary floorboard connection structure, there is a risk that the shoe will be caught, so that such a danger is provided.

(a) is the perspective view which looked at the temporary base plate A which concerns on this invention from the surface side, (b) is the perspective view which looked at the temporary base plate A from the back side. (a) is a plan view of the temporary floorboard A, (b) is a side view of the temporary floorboard A viewed from the arrow (a), (c) is a temporary floorboard A (arrow) of (a). It is the side view seen from. (a) is a bottom view of the temporary floorboard A, and (b) is a plan view of the lock pin. (a) is a top view which shows the use condition of the temporary floorboard A, (b) is an enlarged view of the part shown by the arrow c of (a). (a) is a plan view of a temporary floorboard A according to another embodiment, (b) is a side view. FIG. 6 is an enlarged sectional view of the ho-ho line of FIG. (a-1) is a plan view of the peripheral temporary base plate B, (a-2) is a front view thereof, (b-1) is a plan view of another peripheral temporary base plate C, and (b-2) is It is the front view. It is a top view which shows the usage method of the temporary floorboard B for periphery. (a-1) is a plan view showing a peripheral temporary base plate B ′ with a slope, (a-2) is a front view thereof, and (b-1) is a diagram of another peripheral temporary base plate C ′ with a slope. A plan view, (b-2) is a front view thereof.

A Temporary laying board B, C Peripheral temporary laying board B ', C' Peripheral temporary laying board 2 with slope Slope 3 Convex part 4 Pin insertion path 4a Open groove 5 Pin insertion path 6 Lock pin 7 Pin body part 8 Pin Handle portion 9 First transverse groove 10 Second transverse groove

Claims (8)

A concave part (2) and a convex part (3) are alternately formed on each side of the rectangular plastic plate body (1), and the concave part (2) is formed on the plate body (1). A plate body side pin insertion passage (4) is provided so as to cross the recess (2) along the edge to be cut, and each protrusion (3) has this protrusion (3) connected to another plate body (1 ) In a state where it is engaged with the concave portion (2) of the plate main body side pin insertion passage (4) so as to communicate coaxially with the plate main body side pin insertion passage (4). the), pin body portion of the pin body (7) and locking pin consisting pins grip portion (8) projecting from one end thereof perpendicularly sideways L-shaped (6) (7), the recess (2 ) Is slidably and rotatably inserted between the connection position crossing the recess and the retracted position retracted from the recess (2), and a part of the plate body side pin insertion passage (4) opens to the plate body surface (1a). Open groove (4a), and this open groove (4a) is in front of the pin body (7). A first lateral groove (9) in which the pin grip portion (8) is recessed at the connecting position and a second lateral groove (10) in which the pin grip portion (8) is retracted in the storage position of the pin body portion (7) are provided. However, by sliding the pin body (7) of the lock pin (6) to the coupling position with the recess (2) and the protrusion (3) engaged, adjacent plate bodies (1) can be connected to each other. The connection structure of the temporary laying board which connected.   The first lateral groove (9) and the second lateral groove (10) work to cause the pin grip portion (8) of the lock pin (6) immersed in the lateral groove (9), (10) on the inner wall surface of each. The connection structure of the temporary floorboard according to claim 1, wherein the insertion portion (11) for inserting a person's finger or a rod-like body is recessed.   The first horizontal groove (9) and the second horizontal groove (10) are inclined surfaces (9a) in which the bottom surface of each horizontal groove (9), (10) is inclined upward from the bottom of the opening groove toward the plate body surface (1a). ), (10a). The connection structure of the temporary floorboard according to claim 1.   The first transverse groove (9) and the second transverse groove (10) are formed deeper on the upstream end side of each inclined bottom surface (9a), (10a) to insert the fingers and rods of the operator. The connection structure of the temporary floorboard according to claim 3, which is formed by forming (12).   A connection structure of a temporary temporary base plate (B) used by being connected to the temporary base plate (A) according to any one of claims 1 to 4, wherein the plastic plate main body (21) having a rectangular shape is provided. A convex part (3) is formed on one side, and this convex part (3) has a temporary temporary base plate (peripheral temporary base plate (3) in a state where the convex part (3) is engaged with the concave part (2) of the temporary base plate (A). A connection structure of a temporary laying board for the periphery formed by penetrating a pin insertion passage (5) that communicates coaxially with the plate body side pin insertion passage (4) of B).   A connection structure (C) for a temporary temporary base plate that is used by being connected to the temporary base plate (A) according to any one of claims 1 to 4, wherein the plastic plate body (31) is a quadrangular plastic plate body (31). A recess (2) is formed on one side, and a pin insertion passage (4) is formed through the pin insertion passage (4) so as to cross the recess (2) in parallel with the one side. ) Pin body (7) is slidably and rotatably inserted between the connecting position crossing the recess (2) and the retracted position retracted from the recess (2). A part of the groove is formed as an opening groove (4a) that opens to the plate body surface (31a), and the pin grip portion (8) is inserted into the opening groove (4a) at the connecting position of the pin body portion (7). A connecting structure for a temporary temporary floor plate for peripheral use, comprising a horizontal groove (9) and a second horizontal groove (10) into which the pin grip portion (8) is inserted at the storage position of the pin main body portion (7).   In the connection structure of the temporary temporary base plate (B) according to claim 5, a slope (20) is formed on the surface (21a) of the plate body (21) in a region opposite to the convex portion (3). Connected structure of temporary floorboards for the surrounding.   In the connecting structure of the temporary temporary base plate (C) according to claim 6, the surface (31a) of the plate body (31) is formed with a slope (20) in a region opposite to the concave portion (2). Connection structure for temporary floorboards for the periphery.

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