JP3190805U - Pipe support legs for barricade pipes - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pipe support leg for a barricade pipe, in which only the clamp can be replaced even if the clamp is rusted and deteriorated from rainwater or the like, and the replacement is easy. SOLUTION: A Mt. Fuji-shaped pipe support leg main body 4 having a top surface 2 and a ground contact surface 3, a hole 9 for entering and exiting a clamp fixing nut formed in the pipe support leg main body 4, and a pipe support leg main body 4 are formed. A pipe support leg 1 including a mounting bolt insertion hole 11 formed from the top surface 2 into the entry / exit hole 9 of the clamp fixing nut, and a clamp 7 having a mounting bolt are provided to support the barricade pipe. The cylinder body was wrapped around the mounting bolt and inserted into the mounting bolt insertion hole 11, and the clamp 7 was fixed to the pipe support leg 1. [Selection diagram] Fig. 2

Description

  The present invention supports and fixes a horizontal barricade pipe for temporarily prohibiting access to certain areas and prohibiting entry when performing traffic control at construction sites such as road construction and construction work. The present invention relates to a pipe support leg of a barricade pipe.

  A barricade is created by fixing a pipe to a pipe support leg body by laying a pipe horizontally between at least a plurality of pipe support legs and holding the pipe by a clamp provided on the top surface or center of the pipe support leg body. It was.

  The clamp is known, for example, as disclosed in Patent Document 1 in which a mounting bolt fixed to the bottom surface is embedded and fixed on the top surface of the pipe support leg main body. The pipe support leg main body is a hollow plastic product formed by blow molding. The pipe support leg main body is formed integrally with the pipe support leg main body by inserting clamp mounting bolts at the time of blow molding.

Japanese Patent No. 3267585

Since the pipe support legs of the barricade pipe are used on road construction and construction sites, they are outside and exposed to rainwater, and metal clamps are rusted, hindering the holding operation of the clamps. It was. Due to the poor holding action of the clamp, the pipe support leg could not be used and had to be replaced with a new one.
However, since the pipe support legs are made of resin, there is no inconvenience in the pipe support legs themselves, and the clamps cannot be replaced. It was.

  Therefore, the present invention provides a pipe support leg for a barricade pipe that can be replaced only when the clamp rusts from rainwater and deteriorates, and a clamp mounting structure that facilitates replacement of the clamp. It is intended to provide.

  The pipe support leg of the barricade pipe according to the present invention has a top surface, a pipe support leg main body having a grounding surface that extends downward from the top surface, and penetrates the pipe support leg main body in the front-rear direction. A base frame and a pipe support leg that includes a clamp fixing nut entrance / exit hole, a mounting bolt insertion hole formed in the pipe support leg main body from the top surface to the entrance / exit hole of the clamp fixing nut, and a base frame. A pipe support leg of a pipe for barricade is provided, comprising a holding frame, a fastening means for connecting the base frame and the holding frame, and a clamp made of a mounting bolt extending downward from the bottom surface of the base frame; The mounting bolt is encased in a cylinder and inserted into the mounting bolt insertion hole, and the clamp fixing nut is screwed into the protruding portion of the mounting bolt protruding from the access hole of the clamp fixing nut. Is characterized in that the (claim 1).

  With this configuration, the clamp that holds the pipe is mounted by inserting its mounting bolt into the mounting bolt insertion hole, but it is commonly used because there is a clamp fixing nut access hole below the top surface. A bolt having a predetermined dimension length may be used, and if the clamp fixing nut is screwed into a protruding portion where the mounting bolt protrudes into the access hole of the clamp fixing nut, it is easy to tighten and remove.

  In the pipe support leg, a lower clamp installation hole penetrating in the front-rear direction is formed below the access hole of the clamp fixing nut (Claim 2).

  With this configuration, if the pipe is held by the lower clamp, a two-stage pipe barricade is created.

  To attach the clamp to the pipe support leg, first attach the mounting bolt at least to the washer, and externally fit the cylinder, and then insert it into the mounting bolt insertion hole. A clamp fixing nut is screwed after at least the washer is externally fitted (claim 3).

  With this configuration, the clamp is mounted by inserting its mounting bolt into the mounting bolt insertion hole, but when the clamp fixing nut is screwed into the mounting bolt and tightened, the longitudinal length of the cylinder is the mounting bolt insertion hole. Therefore, tightening of the clamp fixing nut is restricted to a predetermined length, and the resin pipe support leg is not crushed.

  As described above, according to the first aspect of the present invention, the clamp for holding the pipe is attached by inserting its mounting bolt into the mounting bolt insertion hole. The clamp fixing nut can be screwed into the projecting portion of the mounting bolt projecting into the service hole, and the clamp can be easily attached to the pipe support leg. Further, the clamp can be easily removed by turning the fixing nut.

  Since the clamp mounting bolt may have a length that slightly protrudes from the access hole of the clamp fixing nut, the clamp mounting bolt can be mounted with a bolt and can be easily removed.

  According to the invention of claim 2, the pipe can be held by the lower clamp, and a barricade having a two-stage pipe can be made.

  According to the invention of claim 3, the clamp is attached by inserting the attachment bolt into the attachment bolt insertion hole. The mounting bolt is inserted into the mounting bolt insertion hole together with the externally fitted cylinder, and the clamp fixing nut is inserted from the entrance / exit hole of the clamp fixing nut, and is screwed and fixed to the protruding portion of the mounting bolt. At that time, since the vertical dimension length of the cylinder is the same as the vertical dimension length of the mounting bolt insertion hole, tightening of the clamp fixing nut is restricted to a predetermined dimension length, and the pipe support leg main body is attached without crushing. be able to.

FIG. 1 is a perspective view of a pipe support leg of a barricade pipe according to the present invention. FIG. 2 is a front view of the same. FIG. 3 is a cross-sectional view of the vicinity of the clamp installed on the upper part of the pipe support leg main body. FIG. 4 is an exploded perspective view of a structure attached to a clamp and a pipe support leg main body that supports the clamp.

  1 and 2, the pipe support leg of the barricade pipe of the present invention is shown. The pipe support leg 1 extends downward from the top surface 2 and has two ground contact surfaces 3 below. The support leg main body 4 and the clamps 7 and 8 provided in the top surface 2 and the lower clamp installation hole 10, respectively.

  The pipe support leg main body 4 is made of resin, has the same shape on the front and back, the top surface 2 is small, spreads downward, and has two ground contact surfaces 3 below. Although it is manufactured by molding, it is also possible to make two resin molded products and join them together in the middle and manufacture them as a unit.

  An entrance / exit hole 9 for a clamp fixing nut is formed below the top surface 2 of the pipe support leg main body 4 and penetrates in the front-rear direction. Further, a lower clamp installation hole 10 is formed below the access hole 9 of the clamp fixing nut and in which a lower clamp 8 penetrating in the front-rear direction is installed.

  Then, a mounting bolt insertion hole 11 for a mounting bolt described below of the clamp 7 is formed in the vertical direction from the top surface 2 to the access hole 9 of the clamp fixing nut. As shown in FIG. 4, the mounting bolt insertion hole 11 has an opening 11a in the top surface 2 of the pipe support leg main body 4 and an opening 11b in the hole 9 for the clamp fixing nut. The middle part is hollow, and the pipe support leg body 4 is formed in the vertical direction. A mounting bolt insertion hole 12 for a mounting bolt described below of the clamp 8 is formed in the vertical direction from the lower clamp installation hole 10 to the bottom surface 13 of the pipe support leg main body 4. 15 is a snow pattern on Mt. Fuji, and 16 is a groove for design.

  As described above, the clamp 7 is provided on the top surface of the pipe support leg 1 and holds the horizontal pipe (not fixed). As shown in FIG. A holding frame 22 is attached to the frame 20 via a pin 21 so as to be swingable. Then, a tightening bolt 25 is swingably attached via a pin 23, and a nut 26 is screwed to form a tightening means. The tightening bolt 25 is locked in a locking groove 27 formed at the tip of the holding frame 22.

  In this clamp 7, the nut 26 of the tightening bolt 25 is loosened and the holding frame 22 is moved with the pin 21 as a fulcrum, and the horizontally mounted pipe is placed on the base frame 20, and then sandwiched by the holding frame 22 and tightened. The pipe can be fixed by turning and tightening the nut 26 of the attachment bolt 25.

  A mounting bolt 29 is attached to the clamp 7 on the bottom surface of the base frame 20 facing downward. The clamp 7 is attached as described below by inserting the attachment bolt 29 into the attachment bolt insertion hole 11 formed on the top surface 2 of the pipe support leg main body 4.

  FIG. 4 shows a state in which the clamp 7 is attached to the pipe support leg 1, while the attachment bolt 29 is fitted into the attachment bolt insertion hole 11 by screwing the clamp fixing nut 31 while fitting the cylindrical body 30. Yes. 33 is a washer, 34 is an elastic body such as rubber, and is disposed on the clamp side, 35 is an elastic body such as rubber, 36 is a washer, 37 is a spring washer, and is disposed on the clamp fixing nut 31 side.

  Since the vertical dimension length LP of the cylindrical body 30 is the same as the vertical dimension length LB of the mounting bolt insertion hole 11 described above, even if the clamp fixing nut 31 is tightened to the mounting bolt 29, The pipe support leg body 4 is not crushed by tightening and being restricted by the cylindrical body 30.

  In order to attach the clamp 7 to the pipe support leg 1, first, the elastic body 34 is sequentially inserted into the mounting bolt 29 and the washer 33, and then the cylindrical body 30 is extrapolated. Then, it is inserted into the mounting bolt insertion hole 11 from the opening 11a side, and an elastic body 35, a washer 36, and a spring washer 37 are inserted into the protruding portion protruding from the opening 11b on the entrance / exit hole 9 side of the clamp fixing nut. The clamp fixing nut 31 is screwed and tightened to complete the installation.

  Since the vertical dimension length LB of the mounting bolt insertion hole 11 and the vertical dimension length LP of the cylindrical body 30 are the same dimension, when the clamp fixing nut 31 is tightened, the tightening dimension length of the fixing nut 31 is restricted. The main body 4 is not crushed.

  In addition, about the structure of the lower clamp 8, since it is a structure equivalent to the above-mentioned clamp 7, description is abbreviate | omitted.

DESCRIPTION OF SYMBOLS 1 Pipe support leg 2 Top surface 3 Ground surface 4 Pipe support leg main body 7,8 Clamp 9 Entrance / exit hole 10 Lower clamp installation hole 11,12 Mounting bolt insertion hole 13 Bottom surface 20 Base frame 22 Holding frame 25 Tightening bolt 27 Engagement Stop groove 29 Mounting bolt 30 Tube 31 Clamp fixing nut 33, 36 Washer 34, 35 Elastic body

Claims (3)

Fuji top-shaped pipe support leg body that spreads downward from the top surface and has a ground contact surface,
A hole for entering and exiting a clamp fixing nut that penetrates the pipe support leg body in the front-rear direction;
A pipe support leg comprising a mounting bolt insertion hole formed in the pipe support leg main body from the top surface to the access hole of the clamp fixing nut;
A barricade pipe comprising a base frame, a swinging holding frame, a fastening means for connecting the base frame and the holding frame, and a clamp comprising a mounting bolt extending downward from the bottom surface of the base frame. The pipe support legs are configured,
The mounting bolt is encased in the mounting bolt and inserted into the mounting bolt insertion hole, and the clamp fixing nut is screwed into the protruding portion of the mounting bolt protruding from the access hole of the clamp fixing nut. Characteristic barricade pipe support legs.   2. The pipe support for a barricade pipe according to claim 1, wherein a lower clamp installation hole is formed in the pipe support leg main body, and is formed below the access hole of the clamp fixing nut and penetrating in the front-rear direction. leg.   To attach the clamp to the pipe support leg, first attach at least a washer and a cylinder to the mounting bolt, and then insert it into the mounting bolt insertion hole. The pipe support leg of the barricade pipe according to claim 1, wherein a clamp fixing nut is screwed after at least the washer is externally fitted.

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