JP3091844U - Stand type sandbag - Google Patents

Abstract

(57) [Summary] [Purpose] To reduce the burden of carrying, improve the workability of assembly, prevent falls during use, and reduce the impact of heavy objects to prevent damage or damage to the inner wall of the tank. Provide a stand-type sandbag that can be reduced. The strut 1 has a base plate 2 at the lowermost end, a flange 3 slightly above the height in the height direction, and a connecting rod 5 at the upper end, and a tank 8 is provided at the center of the inner wall surface along the height direction. Upper and lower concave portions and concave grooves 12 corresponding to one of the longitudinal cross sections between the base plate 2 and the flange 3 are formed to be substantially semi-cylindrical, and the tank 8 and the lower concave portion 9 on the inner wall surface of the tank 8 are formed in the lower concave portion 9 respectively. The base plate 2 is fitted with the flange 3 in the upper concave portion 10 so that the column 1 is erected vertically, and the joined tank 8 and the outer peripheral wall surface of the tank 8 are fixed by a fixture, and the column 1 is connected. The bag body 4 filled with the cushioning material is connected to the rod 5 so as to be freely fitted.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention relates to a stand-type sandbag used for practicing karate or boxing. To do.

[0002]

[Prior art]

  Traditionally used for martial arts training equipment such as kickboxing and boxing As a do-type sandbag, a pillar member is hung vertically in the center of the board to form the core, The substrate side of the is stored in a base storage unit with an opening at the top along with weight-stabilizing granules such as sand. And the pillar member side of the core portion, and the upper storage portion having an opening at the lower end and the pillar member. A cushioning member such as a sponge is interposed between the wrapping and the wrapping, and A training tool for martial arts has been proposed in which the open ends of each storage section are connected (for example, (See Japanese Patent Publication No. 5-22207).   However, the device of Japanese Utility Model Publication No. 5-22207 is troublesome to assemble, In addition, due to the structure, the bag body is easy to fall down, and to restore the original state, put the contents in again. It had to be troublesome because it had to be done. So these problems In order to eliminate the problem, insert vertically on the base and the top of the base. , A bag body filled with cushioning material inside, and a hollow body that holds heavy objects such as sand It consists of a weight tank, and the weight tank has a vertically penetrating hole through which the support is inserted in the center. The bottom of the weight tank has a recess that allows the base to be fitted and is connected to the lower end of the insertion hole. A stand-type sandbag that is formed with a recess so that it can pass through has been proposed (practical (See Japanese Patent Registration No. 3054652).

[0003]

[Problems to be solved by the device]

  The stand-type sandbag disclosed in the Utility Model Registration No. 3054652 is a public Compared with the device of Japanese Patent Laid-Open No. 5-22207, the assembly is simpler and the posture return is certainly Although slightly improved, the weight tank is formed in an annular shape, so heavy objects such as water and sand can be removed. When filled, it requires a great deal of labor to move and carry, and also impacts such as hitting, kicking, and poking As a result, the heavy object moves in one direction, so it is easy to tilt. Since the pressure is applied intensively at each point of impact, there is a risk that the tank will be damaged or damaged. There is a problem that it has sex.   Therefore, the present invention reduces the burden of carrying, improves the assembling workability, and uses it. The inside of the tank is not damaged due to the prevention of fall and the impact of heavy objects. The purpose is to provide a stand-type sandbag that can reduce damage. .

[0004]

[Means for Solving the Problems]

  In order to achieve the above object, the device according to claim 1 of the present invention is installed upright. And a bag body that is inserted into the upper part of the column and filled with cushioning material inside, In a stand-type sandbag consisting of a hollow tank, the pillars are Forming a connecting rod at the upper end with a flange slightly above the splate in the height direction, the tank is , Along the height of the center of the inner wall, a vertical section from the base plate of the column to the flange The upper and lower recesses and the recessed groove corresponding to one of the surfaces are recessed to form a substantially semi-cylindrical shape. Fit the base plate in the lower recess of each inner wall surface and the flange in the upper recess. The columns are erected vertically, and the outer peripheral wall surfaces of the two joined tanks are fixed by the fixtures. The main body of the bag is connected to the connecting rod of the support pillar so as to be freely fit.   According to a second aspect of the present invention, the inner wall surface of the tank has a protrusion and a recess. It is characterized in that they are formed respectively.

[0005]

[Embodiment of device]

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.   FIG. 1 is an assembly configuration diagram of the stand type sandbag of the present invention, and FIG. 2 is a line AA of FIG. A sectional view and FIG. 3 are perspective views showing an assembled state.   The pillar 1 is provided with a base plate 2 at the lowermost end, and the base plate 2 is suspended above the base plate 2. A flange 3 is provided through a support rod 11 which is directly erected upright, and is vertically mounted on the flange 3. A connecting rod 5 standing upright on the base plate 2, a supporting rod 11 and a flange 3 The connecting rod 5 is integrally formed of a steel member. Connected to the tip of the connecting rod 5. An insertion hole 7 through which the nut 6 is inserted is formed in the portion 20.   The tank 8 is made of a plastic material and has a substantially semi-cylindrical hollow shape. An opening / closing lid 21 is attached to the water inlet provided on the upper wall so that the water can be opened and closed. Fill with water or sand as a weight. Along the inner wall center height direction of the tank 8 , One of the longitudinal sections between the base plate 2 of the column 1, the support rod 11, and the flange 3 is fitted. So that the lower end corresponds to one of the longitudinal cross sections of the base plate 2, the lower recess 9, the upper end Between the upper concave portion 10, the lower concave portion 9 and the upper concave portion 10 which coincide with one of the longitudinal sections of the flange 3. A recessed groove 12 is formed to match one of the vertical cross sections of the support rod 11. Also, centering on the groove 12 As the left and right sides of the inner wall surface, a protrusion 15 and a recess 16 having the same size are formed. In tank 8 The position of the band 13 when the fixing device, for example, the band 13 is attached in the lateral direction of the outer peripheral wall. A recessed line 14 is provided to prevent placement and movement.   The bag body 4 is made of a flexible material such as synthetic resin, natural leather, or synthetic leather. Fill the inside of the cylindrical bag with a cushioning material such as urethane, and connect it to the center of the bottom surface of the bag body 4. A rod 17 fitted to the connecting portion 20 of the rod 5 is provided so as to project downward. The rod 17 has The insertion hole 18 is provided at a position that matches the insertion hole 7 of the connecting portion 20 when fitted into the connecting portion 20. Has been formed.   Numeral 19 is for pushing and kicking the connecting rod 5 and the rod 17 which are fitted and connected and exposed to the outside. It is a protective pad that protects against impact such as hitting.   Next, the pillar 1, the bag body 4, the tank 8, the belt 13 and the protective pad 19 are assembled. I will explain.   First, prepare two tanks 8 in a horizontal and stable place, stand the column 1, and It is sandwiched between the inner wall surface of tank 8 and tank 8. In that case, the base plate 2 is 9, the support rod 11 into the concave grooves 12 and 12, and the flange 3 into the upper concave portions 10 and 10. Make sure to insert it. The pillar 1 sandwiched between the tank 8 and the inner wall surface of the tank 8 is suspended. It is installed upright, and the upper wall surfaces of the tanks 8 and 8 and the upper surface of the flange 3 have the same height. Since it is formed in the above manner, the upper side of the flange 3, that is, the connecting rod 5 is Protruding from the upper wall surface. Joining the semi-cylindrical tank 8 and the inner wall surface of the tank 8 And a substantially cylindrical tank, which is recessed laterally on the outer peripheral wall surface of the tanks 8, 8. The band 13 is wound and fixed along the groove 14. Insertion hole 7 of connecting part 20 and rod The rod 17 is fitted into the connecting portion 20 so that the insertion holes 18 of the insertion holes 17 coincide with each other. The nut 6 is inserted between the through hole 18 and the through hole 18 1 and the bag body 4 are connected. Winding the connecting rod 5 and the rod 17 with the protective pad 19 wear. Water or sand used as a weight decides the place to install and starts assembly work It is sometimes preferred to fill via the inlet.   In this way, a stand-type sandbar assembled on a stable horizontal surface such as the floor. Even if the bag body 4 is hit, kicked, struck, or otherwise impacted, the bag can be used as two tanks. Since it is filled with weight such as water or sand, the water pressure caused by the impact is only at one point on the inner wall surface of the tank. It is distributed without being concentrated on the Even if it is knocked down, the weight of the tank quickly rises and returns to the vertical state, and the trainer continues. Can be performed.

[0006]

[Effect of device]

  Since the present invention is configured as described above, it has the following effects.   As there are two tanks filled with water or sand as weights, you can hit, kick, and poke Even if an impact such as is given to the bag body, the water pressure due to the impact is dispersed in the tank. It is possible to prevent falling and to reduce the impact so that the inner wall of the tank is not damaged. Has the effect of reducing damage and making the tank last longer.   Also, since the weight of the tank is half that of one tank, it is easy to carry. Since the burden is reduced and the structure is simple, assembly workability is improved and the cost is reduced. There is an effect that it can be provided.   In addition, insert the pillar flange, base plate, and support rod into the upper and lower recesses and grooves. , The protruding part was fitted into the recessed part, and the two tanks were fixed by the band along the concave line. So, even if you give a hard shock by training, the sandbag does not disassemble This has the effect of maintaining the assembled state.

[Brief description of drawings]

FIG. 1 is an assembly configuration diagram of a stand-type sandbag.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a perspective view showing an assembled state.

[Explanation of symbols]

1 prop 2 base plate 3 flange 4 bag body 5 connection rod 8 tanks 9 Lower recess 10 Upper recess 12 groove 15 Projection 16 depressions

Claims (2)

[Scope of utility model registration request] 1. A stand type sandbag comprising a vertically standing pillar, a bag body inserted into the upper part of the pillar and filled with a cushioning material inside, and a hollow tank, wherein the pillar has a base plate at the lowermost end. A flange is formed slightly above in the height direction and a connecting rod is formed at the upper end, and the tank has a vertical recess and a groove corresponding to one of the vertical cross sections between the base plate and the flange along the height direction in the center of the inner wall surface. To form a substantially semi-cylindrical shape, and the base plate is fitted in the lower recesses of the inner wall surfaces of the two tanks, respectively, and the flange is fitted in the upper recesses to vertically stand up the support columns to join them. A stand type sandbag, characterized in that the outer peripheral wall surfaces of the two tanks are fixed by a fixing tool, and the bag body is connected to the connecting rod of the pillar so that the bag body can be fitted therein. 2. The stand type sandbag according to claim 1, wherein a protrusion and a recess are formed on the inner wall surface of the tank.