JP3953864B2 - Storage - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a door handle fixing structure including a multi-layer transparent portion such as a pair glass in a storage such as a refrigerated showcase provided with a corner connector.
[0002]
[Prior art]
As shown in FIG. 5, the conventional storage has a glass door 30 provided in the opening 13 of the storage. As shown in FIG. 6, this glass door 30 has a pair glass 32, a resin frame 34 and an aluminum. It is composed of a die-cast corner connector 10 and a handle 15, and inserts the fitting insertion portions of the four corner connectors 10 provided at the respective corners into the four resin frames 34 provided on the four sides of the glass door, After the pair glass 32 is fitted in the groove 33 provided in the resin frame 34 and the resin frame 34 and the corner connector 10 are fixed with screws, the resin frame 34 is fixed from the back side of the glass door 30 by the handle fixing screw 17. And the handle 15 is fixed to the front side of the glass door 30.
[0003]
[Problems to be solved by the invention]
The handle 15 is screwed to the resin frame with a pair of glass sandwiched between the resin frames. However, since the resin frame extruded with resin is hollow, the handle fixing screw is strongly tightened. It was deformed by the tightening force.
In addition, this deformation appears on the door surface and side surfaces, and the appearance is impaired, and this deformation may loosen the handle fixing screw and cause the handle to rattle.
[0004]
OBJECT OF THE INVENTION
In view of the problems inherent in the corner connector described above, the present invention has been proposed to suitably solve the problem, and a resin frame and a pair of glasses whose cross sections are extruded into a cylindrical shape are provided with corners. The present invention relates to a door assembled by a connecting tool, and an object thereof is to increase the tightening torque of a tightening screw of a handle attached to a resin frame, and to solve the problem that the handle is loosened due to looseness of a handle fixing screw.
[0005]
[Means for Solving the Problems]
In order to overcome the above-mentioned problems and to achieve the intended purpose suitably, according to a first aspect of the present invention, a transparent body is provided in a frame body in which a resin frame is connected by a corner connector, and both ends of a handle are fixed to the resin frame. In the door of the stored storage, the corner connector and the spacer are fitted and inserted into the resin frame, and one of the handles is fixed to the handle by passing through the resin frame and the corner connector. The other is fixed to the door body by fixing means that penetrates the resin frame and the spacer.
Further, according to a second aspect of the present invention, in the door body of the storage provided with a transparent member in a frame body in which a resin frame is connected by a corner connector, and both ends of a handle are fixed to the resin frame, the corner connector includes The handle is inserted into the resin frame, and the handle is extended by the fixing means extending through the resin frame and the extended insertion portion. It is characterized by being fixed to the body.
[0006]
【The invention's effect】
According to a first aspect of the present invention, there is provided a storage door in which a transparent member is provided in a frame body in which a resin frame is connected by a corner connector, and both ends of a handle are fixed to the resin frame. And the other end of the handle is fixed to the door body by the fixing means that penetrates the resin frame and the spacer. As a result, the tightening torque of the tightening screw of the handle attached to the resin frame was increased, and the loosening of the fixing screw for the handle could be prevented.
According to a second aspect of the present invention, there is provided a door of a storage unit in which a frame member in which a resin frame is connected by a corner connector is provided with a transparent member, and both ends of a handle are fixed to the resin frame. It was provided with an insertion part to be inserted into the frame, and the both ends of the handle were fixed to the door body by the fixing means extending the insertion part and penetrating the resin frame and the extended insertion part. As a result, it was possible to increase the tightening torque of the tightening screw of the handle attached to the resin frame and to prevent the handle fixing screw from loosening simply by extending the insertion portion without using a separate member.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
A preferred embodiment of a glass door corner connector in a storage such as a refrigerated showcase according to the present invention will be described below with reference to the accompanying drawings.
In addition, about the same member already shown on the glass door of the prior art example demonstrated in relation to FIG. 5, FIG.
[0008]
As shown in FIGS. 1 to 3, the corner connector of the glass door in the storage such as a refrigerated showcase according to the present invention has an L-shaped bottom portion 12 formed at 90 degrees which is the contact connection angle of the resin frame 34. The L-shaped bottom portion 12 includes side piece portions 14 and 14 which extend from the both side edges in the width direction toward the inner side (side facing the pair glass 32) and face each other, and have a substantially U-shaped cross section. The parts 20 are formed at right angles.
And each insertion part 20 is inserted in the cavity part 34a formed in the substantially square shape of the resin frame 34. As shown in FIG.
It should be noted that the outer surface of the insertion portion 20 is set in close contact with the inner surface of the hollow portion 34a of the resin frame 34 so that the corner connector 10 and the resin frame 34 are fitted with no backlash. .
[0009]
A plurality of screw holes 18 for screwing are formed at predetermined positions of the side piece 14, and a plurality of holes 42 for screw insertion are formed on both side surfaces of the resin frame 34. The holes 18 and 42 are inserted into the cavity portion 34 a of the resin frame 34 by inserting the insertion portion 20 of the corner connector 10, and the inner end 35 of the cavity portion 34 a is connected to the end surfaces 16 a and 16 a of the relief portions 16 and 16. At the abutting position, the relationship is set to be aligned.
In addition, a fulcrum shaft (not shown) disposed in the refrigerated showcase 50 is inserted into the shaft hole 22 drilled in one side of the L-shaped bottom portion 12 so that the glass door 30 can be opened / closed around the fulcrum shaft. It works as much as possible.
[0010]
In order to assemble the glass door 30, first, the insertion portion 20 of each corner connector 10 is inserted into the hollow portion 34 a of the corresponding resin frame 34 by a required length, and the internal dimensions of the frame 31 are set to the outer shape of the glass 32. Temporarily assembled in a state larger than the dimensions.
Then, the temporarily assembled frame body 31 is positioned at a position surrounding the glass 32 placed in the center of a work table (not shown). Next, by pressing each of the four resin frames 34 inward with a dedicated jig (not shown), each frame 31 is inserted into the insertion portion 20 of the corner connector 10 while the resin frames 34 are inserted. The glass 32 is fitted into the groove 33 provided inside the frame 31.
[0011]
Subsequently, while fixing the handle 15 to the resin frame 34, the fixing screw insertion hole 44 provided in the resin frame 34 and the fixing provided in the corner connector 10 are provided on the corner portion side (lower side in the drawing) of the glass door. A handle fixing screw 17 is passed through the screw insertion hole 45 from the back side of the glass door 30 and is screwed into a screw hole (not shown) provided on the lower side of the handle 15.
In addition, a spacer 43 made of a metal sheet metal such as a galvanized iron plate having a U-shaped cross section is inserted into the resin frame 34 on the side away from the corner portion side of the glass door (upper side shown in the figure). The spacer 43 is provided with a fixing screw insertion hole 45 so as to be in the same position as the fixing screw insertion hole 44 of the resin frame 34, and the handle fixing screw 17 is provided in both holes. Is inserted through a screw hole (not shown) provided on the upper side of the handle 15 so as to penetrate from the back side of the glass door 30.
By screwing the handle 15 to the glass door 30 at the upper and lower ends, as shown in the sectional view of the tightening portion of the handle fixing screw 17 in FIG. Under the handle 15, the resin frame 34 and the corner connector 10 are passed through the handle fixing screw 17 to fix the handle 15 to the front side of the glass door 30.
[0012]
Next, a second embodiment of the present invention will be described. In the second embodiment of the present invention, as shown in FIG. 4, each corner connector 10 is inserted into a resin frame 34, and the pair glass 32 is fitted into a groove 33 provided in the resin frame 34. The structure of inserting the corner connector 10 and the resin frame 34 with screws is the same as that of the first embodiment of the present invention, but the structure of the spacer 43, which is a separate member from the corner connector 10 of the first embodiment. Instead, in the second embodiment, the tightening portion (the upper end of the spacer 43 in the first embodiment) is almost the same as the corner portion side (upper side of the handle 15 shown in the figure) of the glass door of the L-shaped corner connector 10. It is extended to a position) to have an integral structure, and serves as a spacer inside the resin frame 34.
Note that the cross section of the tightening portion of the handle fixing screw 17 in which the handle 15 of the second embodiment is assembled to the glass door 30 appears in the same manner as in FIG. 3, and the hole 44 provided in the resin frame 34 is extended. The handle fixing screws 17 are respectively inserted into the holes 45 provided in the extending portions from the back side of the glass door 30 and inserted into screw holes (not shown) provided in the handle 15 to be screwed. Is fixed to the front side of the glass door 30.
[0013]
With the above structure, even when the tightening torque of the handle fixing screw 17 to be fastened to the handle 15 is increased, the present invention can suppress the deformation of the resin frame 34 by the extended portions of the spacer 43 and the corner connector 10, thereby improving the appearance. Remarkably improved.
Further, if the deformation is suppressed, the frictional force between the seating surface of the handle fixing screw 17 and the resin frame 34 is more stable than in the conventional structure, so that the tightening force by tightening the handle fixing screw 17 is also stabilized. Therefore, the effect of the tightening torque of the handle fixing screw 17 is increased, and a high-quality product can be stably supplied.
Further, when the tightening torque can be increased, it is possible to prevent the handle fixing screw 17 from being loosened and the handle 15 from dropping without increasing the number of work steps.
The spacer 43 and the four corner connectors 10 of the first embodiment of the present invention, and the extended corner connector and the other corner connectors 10 of the second embodiment are both made of a metal such as a zinc iron plate. It is manufactured by bending a sheet metal and does not require a mold as compared to an aluminum die-cast corner connector manufactured with a mold.
Further, in the second embodiment of the present invention, even if the handle fixing screw 17 is removed in order to assemble the handle at the factory or replace the handle at the market, the extension united with the corner connector is integrated. Therefore, it is easy to position the extended portion.
[0014]
In the embodiment of the present invention, the case where the glass door of the refrigerated showcase is formed using the corner connector has been described, but the present invention can also be used for a handle fixing structure of a door other than the refrigerated showcase. is there.
Further, in the embodiment of the present invention, the case where the spacers and the corner connector are extended and provided on the pair of resin frames has been described. However, the present application is not limited to this, and the door is capable of withstanding the tightening of the handle. If the frame is used, the handle can be securely fixed.
[Brief description of the drawings]
1 is an exploded perspective view of a main part of a door employing the corner connector of the present invention. FIG. 2 is an exploded perspective view of the door of FIG. 1. FIG. FIG. 4 is an exploded perspective view of a door employing a corner connector according to a second embodiment of the present invention. FIG. 5 is a perspective view of a conventional refrigerated showcase. FIG. 6 is a perspective view of a door employing a conventional corner connector. Exploded schematic view [Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Corner connector 12 ... L-shaped bottom part 13 ... Opening part 14 ... Side piece part 14a, 14b ... Inner edge 15 ... Handle 16 ... Relief part 16a ... End surface 17 ... Fixing screw 18, 42 ... Hole 20 ... Insertion part 22 ... shaft hole 30 ... glass door 31 ... frame 32 ... pair glass 33 ... groove 34 ... resin frame 34a ... hollow part a
35 ... inner end 43 ... spacer 44, 45 ... fixing screw insertion hole 50 ... refrigerated showcase

Claims (1)

In the door body of the storage provided with a transparent member in a frame body in which a resin frame is connected by a corner connector, and both ends of the handle are fixed to the resin frame, the corner connector and a spacer are inserted into the resin frame. One of the handles is fixed to the door body by fixing means that penetrates the resin frame and the corner connector, and the other of the handle is fixed by fixing means that penetrates the resin frame and the spacer. A storage door structure characterized by that.

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