JPH0570432U - Liquid container - Google Patents

Abstract

(57) [Summary] [Purpose] The legs can be held smoothly and securely. [Arrangement] An arc-shaped guide plate is provided in each deep groove of the bottom member along the rotation locus of the engaging protrusion of each leg. Further, the abutment plate is formed by cutting out a part of the periphery of the upper wall so that the lower end is a free end having elasticity.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a liquid container for storing drinking water and the like, and more particularly to a liquid container having a foldable leg at the bottom of a container body.

[0002]

[Prior Art]

 Conventionally, a liquid container is provided with a container body in which a shoulder member is joined to the upper end of an outer case surrounding the inner container and a bottom member is joined to the lower end, and the bottom wall of the bottom member of the container body is provided at predetermined intervals. A plurality of leg pedestals are provided to support the container body, and a pin is press-fitted from one side wall of each leg pedestal into the other side wall to pivotally support the rear end of each leg. The legs were mounted inside the leg pedestals so that they could be folded freely, but this liquid container was inevitably bulky due to the leg pedestals, and the work of pressing in the pins was complicated and difficult.

Therefore, in order to eliminate this point, shaft pieces are provided at the tips of the left and right side walls of each leg, and engaging projections are provided at the front wall, while the circumference of the bottom member of the container body is provided. Plural long grooves corresponding to the legs are formed on the surface at predetermined intervals, a deep groove is formed at the rear end of each long groove, and a contact plate is projected at the boundary between the long groove and the deep groove. The left and right side walls of each deep groove communicate with the bottom wall of the bottom member, and bore a shaft hole that pivotally supports the shaft of the leg, and rotate each leg by the shaft that pivotally supports the shaft. When the legs are open, the tip of the rear wall of the leg abuts against the lower end of the rear wall of the deep groove, and the engaging protrusion of the leg engages with the abutment plate to hold it securely. And there was a liquid container that could be stored in the deep groove.

[0004]

[Problems to be solved by the device]

 Since the conventional liquid container is configured as described above, each shaft hole that pivotally supports the shaft piece of each leg body has a wide opening through which the shaft member is inserted from the lower wall surface of the bottom member, and a pivotal shaft that pivotally supports the shaft piece. Since it was formed in a boots-like shape consisting of a support hole and a guide hole that connects this pivot support hole and the insertion opening, when the leg is opened, due to the displacement of the shaft piece in the shaft hole and the clearance of the legs. There is a drawback in that the engagement protrusion of the leg and the contact plate are misaligned or shaken due to the left and right shakes, and smooth fixing cannot be performed, and the contact plate is damaged by abnormal pressure. It was The present invention has been made in view of the above-mentioned drawbacks, and an object of the present invention is to obtain an excellent liquid container in which the legs can be reliably and smoothly fixed and held to the container body.

[0005]

[Means for Solving the Problems]

 In the liquid container according to the present invention, an arc-shaped guide plate is provided in each deep groove of the bottom member along the rotation locus of the engaging protrusion of each leg. Further, the contact plate is formed by cutting out a part around the upper wall and making the lower end a free end having elasticity.

[0006]

[Action]

 The liquid container of the present invention has a very simple structure, and the number of parts is very small with only the legs, and it can be assembled very easily, and when the legs are rotated, the engaging protrusions of the legs are used as guide plates. Since it slides along the legs, rattling due to displacement or blurring of the legs can be eliminated, and when the legs are opened, they can be smoothly and securely fixed and held. Also, due to the elasticity of the contact plate, even if the engagement protrusion of the leg is engaged, the contact plate does not crack or break, resulting in a smooth and reliable engagement protrusion of the leg. Can be engaged.

[0007]

[Example of device]

 Embodiments of the present invention will be described below with reference to the drawings. The liquid container 1 includes an inner container 2, an outer case 3 surrounding the inner container, a shoulder member 4 connected to the upper end of the outer case, and a bottom member 5 connected to the lower end of the outer case. A plurality of foldable legs 6 provided on the peripheral surface of the bottom member at predetermined intervals, a lid 7 for covering the mouth of the inner container, and a pouring mechanism 8 for pouring the liquid in the inner container. It consists of 9 is a handle.

The inner container 2 is formed of a metal material such as aluminum into a large-capacity bottomed cylinder having a wide mouth. The inner container 2 has its upper end curled outward, and is tightly fitted into the annular groove for the inner container of a shoulder member described later via a sealing member at this curling portion. .. This inner container has a through hole at the lower front surface for inserting a pouring mechanism described later. The outer case 3 is formed by folding a thin iron plate into a cylindrical shape, bending the upper and lower ends inward, and covering the body of the container at a predetermined interval. The exterior case 3 has an opening formed at the lower part of the front surface for communicating with the through hole of the container 2.

The shoulder member 4 has a mouth cylinder portion having a large opening in the center, a lid mounting portion that extends outward from the lower end of the mouth cylinder portion, and an annular shape that hangs downward from the outer end of the lid mounting portion. It consists of a single wall with the outer wall. The mouth cylinder of the shoulder member 4 has an outer peripheral wall engraved with a male screw for a lid to which a lid to be described later is screwed. The lid mounting portion of the shoulder member 4 has two inner and outer annular hanging ribs depending on the lower wall with an annular groove. In the annular groove between the two inner and outer annular hanging ribs, the curling portion at the upper end of the inner container 2 is tightly fitted via a seal material. 10 is a heat insulating material such as a foam styrol, which is filled in the gap between the outer case 3 and the inner container 2, and the gap between the inner container 2 and the bottom member described later.

The bottom member 5 is forcibly fitted and coupled to the lower end of the outer case 3, a circular groove 11 is bored in the center of the bottom surface, and legs to be described later are provided at predetermined intervals on the circumference of the bottom surface. Long grooves 12 and 12 to be stored are formed, and deep grooves 13 and 13 are formed at the tips of the long grooves 12 and 12, respectively. The circular groove 11 is formed deeper than the long groove 12. Each long groove 12 communicates the rear end with the deep groove 13, communicates the front end with the circular groove 11, and accommodates a leg body described later so that the leg body does not protrude beyond the bottom member bottom surface and a width larger than the height of the leg body. And the height of the deep groove 13 and the length of the circular groove 11 are added to make the length longer than the length of the leg. This long groove 12 is provided with a contact plate 14 which is provided at the boundary with the deep groove 13 and which restricts the folding of the leg body by engaging the engaging protrusion of the front wall of the leg body in a state where the leg body described later is expanded. There is. The contact plate 14 is integrally formed with the upper wall so as to project downward at the boundary between the upper wall forming the long groove 12 and the upper wall forming the deep groove 13. The contact plate 14 is formed to have a width narrower than the space between the left and right parts of the leg, which will be described later. The abutment plate 14 is formed by notching the upper wall on the long groove 13 side and integrally forming only with the upper wall on the deep groove 13 side so that the lower end of the abutment plate 14 has elasticity. It is also possible to make the engaging projections engage smoothly and to disengage the engaging projections smoothly.

The deep groove 13 of the bottom member 5 is provided with a depth and a width that will not hinder the rotation of the leg with a shaft piece of the leg described later as a fulcrum. The deep groove 13 is provided with an arc-shaped guide plate 15 along the locus generated by the rotation of the engaging projection of the front wall of the leg when the leg is rotated. As shown in FIG. 2, the guide plate 15 guides the engaging projections of the legs, which will be described later, to the abutment plate 14 along the arcuate surface thereof while reducing the displacement and blurring of the legs. The deep groove 13 has a pivot hole 17a for pivotally supporting a shaft of a leg, which will be described later, on the left and right side walls, an insertion port 17b for press-fitting into the pivot hole from the bottom wall of the bottom member 5, and this insertion port and pivot support. A substantially boots-like shaft hole 17 is integrally formed with a guide hole 17c communicating with the hole. The pivot hole 17a and the guide hole 17c of the shaft hole 17 are formed slightly larger than the diameter of the shaft piece so that the shaft piece of the leg described later can be easily rotated. The insertion hole 17b of the shaft hole 17 is formed in a tapered shape slightly smaller than the diameter of the shaft piece so that a shaft piece of a leg body described later can be press-fitted into the guide hole 17c. This shaft hole 17 is fixed in a spread-out manner with respect to the ground plane by abutting the left and right rear wall tips of the leg on the bottom wall of the bottom member, with the leg standing upright as described below. It is formed at a height that Reference numerals 16 and 16 denote left and right holding claws having elasticity in the left and right side walls of the long groove 12 so that legs to be described later can be mounted and held in the long groove 12.

Each leg 6 is an integral shape in which a rod-shaped body having a circular cross section or an elliptical cross section is combined into a rectangle of left and right side portions 6a and 6b in the longitudinal direction and front and rear side portions 6c and 6d in the lateral direction. It is formed in. This leg may have a rectangular box shape. The leg 6 has elliptic cylindrical shaft pieces 18, 18 protruding from the rear outer sides of the left and right side portions 6a, 6b, respectively. The shaft piece may have a cylindrical shape or a square shape. The leg 6 is provided with an engaging projection 19 at the front end of the rear side portion 6d, which engages with the contact plate 14 of the bottom member 5 only when the leg is erected in an obliquely widened manner with respect to the ground plane. is doing. The engagement protrusion 19 has a width narrower than that between the left and right sides of the leg body 6. Although the engaging projection 19 is vertically provided on the front end of the rear side 6d of the leg body 6, the front end of the rear side 6d is not required to be provided as the engaging projection 19 in particular. Good.

In order to stand up the leg body 6 in an obliquely widened state, first insert a finger above the front side portion 6c of the leg body from the circular groove 11 of the bottom member 5, pull it, and then pull out the front side portion 6c of this leg body. When is pressed toward the outer wall end of the bottom member 5, the shaft pieces 18, 18 of the leg body 6 rotate about the shaft holes 17, 17 as fulcrums, and the left and right side portions of the leg body 6 are attached to the bottom wall of the bottom member 5. The upper ends of the rear ends of the legs 6a, 6b are brought into contact with each other to stand up obliquely with respect to the ground plane, and at the same time, the engaging projections 19 of the legs engage with the contact plates 14 of the bottom member 5 to raise the legs. Hold the state. At this time, even if the shaft piece of the leg body slightly moves in the shaft hole of the bottom member 5, the engaging projection of the leg body slides along the upper surface of the guide plate 15 in the deep groove 13. Therefore, the displacement and blurring of the legs are eliminated, and the engagement with the contact plate 14 can be smoothly and reliably performed. Further, the lower end of the contact plate 14 is set as a free end having elasticity to make the engagement with the engaging projection of the leg body smoother. Next, when the leg body is stored, the front side portion 6c of the leg body is pushed toward the circular groove 11 of the bottom member 5, and the engaging projection 19 of the leg body is disengaged from the contact plate of the bottom member 5. It slides along the guide plate 15 and is housed between the long groove 12 and the deep groove 13 of the bottom member.

The lid 7 has a hollow double wall structure formed by blow molding, and detachably covers the opening of the mouth cylinder of the shoulder member 4. The pouring mechanism 8 includes a faucet body 20, a valve shaft rod 21 that opens and closes a liquid passage in the faucet body, and an operation lever 22 that slides the valve shaft rod. The faucet body 20 is provided with a screw on the outer periphery of the rear part, and the rear part of the faucet body is inserted into the through hole of the inner container through the opening of the outer case 3, and the packing, washer, and nut are inserted from the inside of the inner container. It is fixed by screwing in order through.

[0015]

EFFECTS OF THE INVENTION In the present invention, the structure is extremely simple, the number of parts is very small with only the legs, and it can be assembled very easily. Since the abutting portion slides along the guide plate in the deep groove, the rattling due to the displacement or blurring of the legs can be eliminated, and the legs can be held smoothly and securely. Also, due to the elasticity of the contact plate, even if the engaging protrusion of the leg is engaged, the contact plate does not crack or break, and the leg engages more smoothly and securely. The protrusion can be engaged and disengaged.

[Brief description of drawings]

FIG. 1 is a partial vertical sectional view.

FIG. 2 is an exploded perspective view showing a main part.

FIG. 3 is a partial vertical cross-sectional view showing a state where the legs are spread.

[Explanation of Codes] 1 ... Liquid container 2 ... Inner container 3 ... Exterior case 4 ... Shoulder member 5 ... Bottom member 6, 6 ... Leg 7 ... Lid body 8 ... Pouring mechanism 9 ... Handle 10 ... Insulation material 11 … (Bottom member) Circular groove 12, 12… Long groove 13, 13… Deep groove 14… Abutting plate 15… Guide plate 16,16… Holding claw 17… Shaft hole 17a… Pivot hole 17b… Insertion port 18,18… Shaft piece 19 ... Engaging protrusion 20 ... Faucet body 21 ... Valve shaft rod 22 ... Operation lever

Claims (2)

[Scope of utility model registration request] 1. A container main body having a shoulder member joined to the upper end of an outer case surrounding the inner container and a bottom member joined to the lower end,
Providing multiple legs to support this container body, the left of each leg,
While the shaft piece is projected at the tip of the right side wall and the engaging projection is provided on the front wall, a plurality of long grooves corresponding to the legs are formed at predetermined intervals on the peripheral surface of the bottom member of the container body. A deep groove is formed at the rear end of each long groove, and a contact plate is projected at the boundary between the long groove and the deep groove.The left and right side walls of each deep groove communicate with the peripheral surface of the bottom member, and A shaft hole for pivotally supporting the shaft piece of the body is bored, and when the leg is opened, the tip of the rear wall of the leg is brought into contact with the lower end of the rear wall of the deep groove, and the engaging projection of the leg is engaged with the contact plate. In a liquid container in which the legs can be fixedly held and stored in the long groove and the deep groove when the legs are closed, in the deep grooves of the bottom member along the rotation locus of the engaging protrusions of the legs. A liquid container provided with an arc-shaped guide plate. 2. The liquid container according to claim 1, wherein the contact plate is formed by cutting out a part of the periphery of the upper wall so that the lower end is a free end having elasticity.