KR20110072215A

KR20110072215A - Serving cart and it's manufacture method

Info

Publication number: KR20110072215A
Application number: KR1020090129056A
Authority: KR
Inventors: 홍종길
Original assignee: 홍종길
Priority date: 2009-12-22
Filing date: 2009-12-22
Publication date: 2011-06-29

Abstract

It is an object of the present invention to provide a serving cart and a method of manufacturing the same, which enables a serving cart used for carrying food in a restaurant or a hotel to be manufactured by a simple structure made of metal (stainless steel) with high quality and robustness. Is in.

The present invention is vertically placed, the cart body made of a rectangular plate that can be placed at a predetermined interval along the support rods and the support rods are installed at the bottom to put a food container or various items on the top; And a concave groove formed at a right angle from the support bar at one side of the concave groove portion formed to form a catching jaw to which each corner portion of the plate can be detached by pressing a corresponding portion with the corner portion of the plate to the support rod. It includes a fastening hole and a fixing plate for fixing the edge surface of the adjacent plate.

Cart, Carrier, Serving, Caster, Fasteners

Description

Serving cart and it's manufacture method

The present invention relates to a serving cart and a method for manufacturing the same, and more particularly, to enable a serving cart used for carrying food in a restaurant or a hotel by using a simple structure made of metal, to have high quality and robustness of a product. One serving cart and a method of manufacturing the same.

In general, a serving cart widely used as a means for carrying food in a restaurant or a hotel includes a plate installed in multiple stages for placing a predetermined package (such as a bowl or other heavy object) and each corner of the plate. The rod is fixed to the support and made of a wheel that is installed on the bottom of the support. A handle is installed on the upper portion of the serving cart to hold the handle and to conveniently transport the packaged goods on the plate using wheels.

However, when the serving cart is made of a metal material for robustness, the edge of the plate fixed to the support rod must be curved. That is, the curved surface (correlation line) processing of the area where the rectangular plate meets the cylindrical support rod, the curved surface is made of a correlation line has a very difficult disadvantage.

Therefore, conventionally, the serving cart is constructed by using an injection molded product such as resin rather than a metal material. However, when the serving cart is composed of an injection molding product, there is a problem of weakness due to its weakness and shaking during use, and a complicated assembly.

An object of the present invention is to provide a serving cart and a method for manufacturing the cart that can be manufactured by a simple structure made of a metal material to improve the quality and robustness of the product, as well as to simplify the assembly process.

In order to achieve the above object, the present invention is vertically placed, the support plate with a wheel installed at the bottom and arranged at a predetermined interval along the support rods to form a rectangular plate to put a food container or various items on the top Cart body consisting of; And a concave groove portion formed at a side of the concave recess and a concave recess in which each corner portion of the plate can be detached by pressing a corresponding portion with the corner portion of the plate to the support rod at right angles from the support rod. It characterized in that it comprises a fastening hole and a fixing plate for fixing the edge surface of the adjacent plate.

The recessed grooves are formed on the outer circumferential surface of the supporting rods, respectively, to form horizontal processing lines positioned at predetermined intervals up and down, and vertical processing lines positioned in the axial direction of the supporting rods so as to connect the centers of the horizontal processing lines, respectively, where the processing lines are formed. By applying an external force to the outer circumferential surface of the support bar is characterized in that the recessed at right angles to the inside by the processing lines.

The plate is formed by bending the metal plate to form a rectangular pipe shape with one side opened so as to close the plate body and the edge of the plate body is characterized in that consisting of a border closing member installed to form a chin on the edge of the plate body.

In addition, the manufacturing method of the present invention for achieving the above object, the horizontal bar is formed in the width corresponding to the height of the corner portion in the position where each corner portion of the rectangular plate in the support rods are installed wheels Forming a vertical cutting line to connect a center of the horizontal cutting lines; Indentation grooves having locking jaws that can be inserted into the edge portion of the plate by applying a predetermined pressure to each of the supporting line of the supporting rods is formed so that the outer peripheral surface of the supporting rod is bent inward with respect to the processing line Forming a portion; And welding fixing plates having a predetermined width having fastening holes to be vertically positioned from the supporting rods on both sides of the concave recess, and firmly fixing the edge finishing members of the plates to be detachably inserted into the concave recess, respectively. Characterized in that it comprises a.

The serving cart according to the present invention has the effect of simplifying the assembly structure and making it possible to achieve high quality of the product even though it is manufactured by using a metal material, and lowers the unit cost by simplifying the assembly process. It can be effective.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a serving cart according to the present invention, FIG. 2 is a cross-sectional view taken along line II of FIG. 1, FIG. 3 is a cross-sectional view taken along line II-II of FIG. 2, and FIG. "We're at a magnification.

As shown, the serving cart according to the present invention is provided with a cart body 110 that can conveniently carry a predetermined package (food container or other object, etc.). The cart body 110 is made of a metal material (stainless steel), the support rods 112 are installed vertically with the wheel 114 is installed at the bottom, the rectangular plate 116 on the support rods 112 in the vertical direction It is configured to be fixed to form a predetermined interval.

In addition, a handle 118 is installed on the upper portion of the cart body 110, the handle 118 may be formed by connecting the upper end of the two support rods located to one side of the support rods 112. That is, the two supporting rods on which the handle 118 is formed may be formed in one piece to which the upper end is connected.

The cart body 110 is widely used as a means for conveniently carrying food in a restaurant or a hotel. The handle 118 is placed on the plate 116 after placing a package (a container containing food or other heavy material). It can be conveniently carried because it can be moved by using the wheel 114 to hold.

In particular, in order to prevent the package from falling off from the plate 116 due to a light impact on the cart body 110 during the transportation of the package on the plate 116, the chin at the edge of the plate 116 It is preferable to form 119.

The jaw portion 119 can be easily formed by configuring the plate 116 as the plate body 116a and the edge closing member 116b. That is, the edge finishing member 116b is bent to form a rectangular pipe shape to be fixed in a form surrounding the edge of the plate body 116a having a predetermined area, thereby forming the jaw portion 119 at the edge of the plate body 116a. have. At this time, the plate body 116a may be made of a veneer, such as wood, and the edge finishing member 116b may be made of a metal material (stainless steel).

In addition, the serving cart according to the present invention is provided with a fixing means (120). The fixing means 120 allows the plate 116 to be firmly fixed to the supporting rods 112 by a simple structure, which is a part of the present invention.

Figure 5 is an exploded perspective view showing a fixing means which is a main component of the serving cart according to the present invention, Figures 6a to 6e is a view for explaining the fixing means of Figure 5, Figures 7a to 7c is 6a ~ It is a figure which shows the modification of FIG.

As shown, the fixing means 120 forms a recessed groove portion 122 having a locking step for inserting the corners of the plate 116 to the support rods 112 of the cart body 110. In addition, the fixing plate 124 is welded to the support rods 112 so as to be adjacent to the concave groove 122 to fix the plate 116 inserted into the concave groove 122, and to the plate 116. The fastening hole 125 that can be fastened to the screw 126 is provided to secure the screw 126 to the plates 116 through the fastening hole 125.

The recessed groove portion 122 provided in the fixing means 120 is formed in the outer peripheral surface of the support rod 112 at the upper and lower portions as shown in Figure 6a to form a horizontal cutting line at a predetermined interval and to the center of the horizontal processing line Form a vertical cutting line to connect. The horizontal cutting lines are horizontal cutting lines 123a and 123b, and the vertical cutting lines are vertical cutting lines 123c. Subsequently, an external force is applied to a portion where the overhead lines are formed so that the outer circumferential surface of the support rod 112 is bent inward by the overhead lines as shown in FIGS. 6B to 6C to form a recessed groove 122 having a locking step.

In addition, as a modification for forming the recessed groove portion 122 having a locking step provided in the fixing means 122, as shown in Figure 7a is formed horizontally formed at a predetermined interval on the outer peripheral surface of the support rod 112 at a predetermined interval The cutting line may be formed by the horizontal bending lines 121a and 121b rather than the horizontal cutting line, and the vertical processing line may also be formed by the vertical bending line 123c rather than the vertical cutting line. Subsequently, by applying an external force to a portion where the processing lines are formed, the outer peripheral surface of the support rod 112 is bent inwardly by the processing lines as shown in FIGS. 7B to 7C to have a locking step. The recessed groove 122 may be formed.

According to the present invention, the manufacturing method of the serving cart for manufacturing by fixing the rectangular plate 116 in the vertical direction at a predetermined interval to the support rods 112, the wheel 114 is installed at the bottom, first, the plate 116 On the outer circumferential surface of the support rod 112 in which each corner portion of) is formed, as shown in FIG. 6A or 7A, horizontal cutting lines are formed at a predetermined interval up and down, and vertical cutting lines are formed to connect the centers of the horizontal processing lines. .

Subsequently, when an external force is applied to the supporting rod 112 at the portion where the cutting lines are formed, the external rod is applied using a jig, FIGS. 6B and 6C (flat cross-sectional view of FIG. 6B) or FIGS. 7B and 7C (flat cross-sectional view of FIG. 7B). As shown in the drawing, the outer circumferential surface of the support bar 112 is bent inwardly by the processing lines to form a concave groove portion 122 having a locking step to which the edge portion of the plate 116 is inserted.

In addition, the fixing rod 124 having a fastening hole 125 to be adjacent to the concave groove portion 122 as shown in Figure 6d to fix the plate 116 inserted into the concave groove portion 122 is the support rod 112 ), And the fixing plate 124 is screwed to the plate (border bar body) through the fastening hole 125 to fix it (see FIG. 6E).

By simply inserting and fixing the corner portion of the plate 116 to the support rod 112 by this method, there is no need to perform a separate curved surface portion of the plate. That is, in order to contact the edge of the plate on the outer circumferential surface of the support rod, the edge of the plate should be curved (correlation line) processing, as in the present invention by forming a recess groove having a locking jaw on the support rod edge of the plate When the part is coupled to the recess groove, the corner part of the plate may be coupled to the outer circumferential surface of the support bar without being curved.

1 is a perspective view showing a serving cart according to the present invention,

2 is a cross-sectional view taken along the line I-I of FIG.

3 is a cross-sectional view taken along the line II-II of FIG.

4 is an enlarged view of a portion “A” of FIG. 3;

5 is an exploded perspective view showing a fixing means that is a main component of the serving cart according to the present invention;

6a to 6e are views for explaining the fixing means of the display shown in FIG.

7A to 7C are views showing modifications of FIGS. 6A to 6C.

Explanation of symbols on the main parts of the drawings

110-Cartbody 112-Support Rods

114-Wheels 116-Plates

118-Handle 120-Fasteners

122-recessed groove 123a, 123b-horizontal cutting line

123c-Vertical lines 124-Mounting plates

Claims

Vertically placed, the cart body made of a rectangular bar that can be placed at a predetermined interval along the support rods and the support rods are installed at the bottom of the bottom to put a food container or various items on the top; And

Pressing a corresponding portion with the corner portion of the plate to the support rod to form a locking jaw for each corner portion of the plate to be detachable and welded to form a right angle from the support rod adjacent to the support rod at one side of the recess groove Serving cart comprising a fastening hole and a fixing plate for fixing the edge surface of the plate.

According to claim 1, wherein the recess groove is formed on the outer circumferential surface of the support rod to form a horizontal cutting line and the vertical processing line located in the axial direction of the support bar to connect the center of the horizontal processing line and the horizontal processing line positioned at a predetermined interval at a predetermined interval, respectively And an outer circumferential surface of the support bar is indented at right angles to the inside by the cutting lines by applying an external force to a portion where the cutting lines are formed.

According to claim 1 or claim 2, The plate is formed by bending the metal plate to form a rectangular pipe shape with one side opening to close the plate body and the edge of the plate frame is formed to form a jaw on the edge of the plate body Serving cart, characterized in that consisting of the closing member.

Steps for forming a vertical cutting line to connect the center of the horizontal processing line to form a horizontal cutting line in the width corresponding to the height of the corner portion in the area where the corners of the rectangular plate in the wheels are installed ;

Indentation grooves having locking jaws that can be inserted into the edge portion of the plate by applying a predetermined pressure to each of the supporting line of the supporting rods is formed so that the outer peripheral surface of the supporting rod is bent inward with respect to the processing line Forming a portion; And

Welding fixing plates of a predetermined width having fastening holes to be vertically positioned from the supporting rods on both sides of the recessed grooves, and fixing the edge finishing members of the plates inserted into the recessed grooves to be detachably attached to the fixing plates. The manufacturing method of the serving cart containing.