JP2003294355A - Storage - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent looseness of a screw by increasing fastening torque of the fastening screw of a handle installed in a resin frame in a door body of a storage. <P>SOLUTION: The door body of the storage has a transparent member in a frame body for connecting the resin frame by a corner connector, and fixes both ends of the handle to the resin frame. The corner connector and a spacer are fitted and inserted in the resin frame, and the handle is fixed to the door body by a fixing means for making one of the handle penetrate through the resin frame and the corner connector and a fixing means for making the other of the handle penetrate through the resin frame and the spacer. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door handle fixing structure provided with a multi-layer transparent portion such as paired glass in a storage such as a refrigerated showcase having a corner connector.

[0002]

2. Description of the Related Art A conventional storage has a glass door 30 provided in an opening 13 of the storage as shown in FIG. 5, and the glass door 30 has a pair of glass 3 as shown in FIG.
2. A resin frame 34, a corner connecting tool 10 made of aluminum die casting, and a handle 15 are provided.
The fitting portions of the four corner connectors 10 provided at the respective corners are respectively inserted into the four resin frames 34 provided on the sides, and the pair glass 32 is fitted into the groove 33 provided in the resin frame 34. After fixing the resin frame 34 and the corner connector 10 with screws, the fixing screws 17 for the handle are used to fix the resin frame 3 from the back side of the glass door 30.
4 is passed through and the handle 15 is fixed to the front side of the glass door 30.

[0003]

The screwing of the handle 15 to the resin frame is done by sandwiching the pair of glasses in the resin frame, but the resin frame extruded from resin is hollow. Therefore, when the handle fixing screw was strongly tightened, it was deformed by the tightening force. Further, this deformation appears on the front surface and the side surface of the door and impairs the appearance, and due to this deformation, the fixing screw for the handle may be loosened and the handle may rattle.

[0004]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the problems inherent in the above-mentioned corner connector, and has been proposed in order to suitably solve the problems. A resin frame extruded in a tubular shape in cross section is provided. The present invention relates to a door in which paired glass is assembled with a corner connector, and its purpose is to increase the tightening torque of the tightening screw of the handle attached to the resin frame and to solve the problem of rattling the handle due to loosening of the handle fixing screw. To do.

[0005]

In order to overcome the above problems and preferably achieve the intended purpose, claim 1 of the present invention comprises a transparent member in a frame body in which resin frames are connected by a corner connector. In a door of a storage in which both ends of a handle are fixed to the resin frame, the corner connector and the spacer are fitted in the resin frame, and one of the handles penetrates the resin frame and the corner connector. It is characterized in that the other of the handles is fixed to the door body by the fixing means that penetrates the resin frame and the spacer. According to a second aspect of the present invention, in a door of a 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 fixed to the resin frame, the corner connector is , A fitting portion that fits into the resin frame, and extends the fitting portion so that the resin frame and the extending fitting portion penetrate through the fixing means so that both ends of the handle are connected to the door. It is characterized by being fixed to the body.

[0006]

According to the first aspect of the present invention, in the door body of the storage which has the transparent member in the frame body to which the resin frame is connected by the corner connector, and the both ends of the handle are fixed to the resin frame, the inside of the resin frame is provided. The door body is fitted with the corner connector and the spacer, and one of the handles is fixed by the fixing means penetrating the resin frame and the corner connector, and the other of the handles is fixed by the fixing means penetrating the resin frame and the spacer. By fixing the handle to the resin frame, it was possible to increase the tightening torque of the handle tightening screw and prevent the handle fixing screw from loosening.
Further, according to claim 2 of the present invention, in a door of a 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 is made of resin. Both ends of the handle are fixed to the door body by a fixing means that has a fitting insertion portion that is fitted into the frame, extends the fitting insertion portion, and penetrates the resin frame and the extended fitting insertion portion. Thus, it is possible to increase the tightening torque of the tightening screw of the handle to be attached to the resin frame and prevent the handle fixing screw from being loosened by simply extending the fitting insertion portion without using a separate member.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION A corner connecting tool for a glass door in a storage such as a refrigerated showcase according to the present invention will be described below with reference to the accompanying drawings with reference to preferred embodiments. It should be noted that the same members already mentioned in the conventional glass door described with reference to FIGS. 5 and 6 are designated by the same reference numerals.

As shown in FIGS. 1 to 3, the corner connecting member for the glass door in the storage such as the refrigerating showcase according to the present invention has a contact connection angle of the resin frame 34, as shown in FIGS.
From the L-shaped bottom portion 12 that is formed at a time, and the side piece portions 14 and 14 that extend from the both side edges of the L-shaped bottom portion 12 in the width direction toward the inside (the side toward the paired glass 32) and face each other. Thus, the fitting insertion portions 20 having a substantially U-shaped cross section are formed at right angles. Then, each fitting portion 20 is adapted to be fitted and inserted into the hollow portion 34a formed in the resin frame 34 in a substantially square shape. It should be noted that the outer surface of the fitting insertion portion 20 is the resin frame 34.
It is set such that the corner connector 10 and the resin frame 34 are fitted in close contact with the inner surface of the hollow portion 34a without rattling.

A plurality of screw holes 18 for screw fixing are formed at predetermined positions of the side piece portion 14, and a plurality of screw insertion holes 42 are formed on both side surfaces of the resin frame 34. There is. The holes 18 and the holes 42 are formed by inserting the fitting insertion portion 20 of the corner connector 10 into the hollow portion 34 a of the resin frame 34.
And the inner end 35 of the hollow portion 34a is inserted into the relief portion 1
The positions of contacting the end surfaces 16a, 16a of the reference numerals 6, 16 are set to be aligned and matched. A fulcrum shaft (not shown) provided in the refrigerating showcase 50 is inserted into the shaft hole 22 formed on one side of the L-shaped bottom portion 12, and the glass door 30 can be opened and closed about the fulcrum shaft. To function.

In order to assemble the glass door 30, first, the fitting insertion portion 20 of each corner connector 10 is fitted into the corresponding cavity portion 34a of the resin frame 34 by a required length, and the frame body 3 is then assembled.
1 is temporarily assembled in a state where the inner size of 1 is larger than the outer size of the glass 32. Then, the frame body 31 in the temporarily assembled state
Is positioned at a position surrounding the glass 32 placed in the center of a work table (not shown). Next, each of the four resin frames 34 is pressed inward by a dedicated jig (not shown) so that each resin frame 34 is fitted into the fitting insertion portion 20 of the corner connector 10 and the frame body 31 is removed. The glass 32 is reduced in size and the glass 32 is fitted into the groove 33 provided inside the frame 31.

Subsequently, the handle 15 is attached to the resin frame 34.
The fixing screw insertion hole 4 provided on the resin frame 34 is provided on the corner side (lower side in the figure) of the glass door while fixing
4 and the fixing screw insertion hole 4 provided in the corner connector 10
5, the handle fixing screw 17 is penetrated from the back side of the glass door 30, and is inserted into a screw hole (not shown) provided on the lower side of the handle 15 and screwed. Further, on the side (upper side shown in the figure) away from the corner portion side of the glass door, a spacer 43 made of a metal sheet metal such as a zinc-iron plate having a U-shaped cross section is inserted into the resin frame 34, and the lower side is inserted. Is provided in the vicinity of the corner connecting tool 10 at the position of the spacer 4 so as to be in the same position as the fixing screw insertion hole 44 of the resin frame 34.
3 also has a fixing screw insertion hole 45, and the fixing screw 17 for a handle is passed through both holes from the back side of the glass door 30, and is inserted into a screw hole (not shown) provided on the upper side of the handle 15 and screwed. There is. By screwing the glass door 30 at the upper and lower ends of the handle 15, the resin frame 34 and the spacer 43 are provided on the upper side of the handle 15 as shown in the sectional view of the tightening portion of the handle fixing screw 17 in FIG. Below the handle 15, the resin frame 34 and the corner connector 10
And the fixing screw 17 for the handle is passed through to fix the handle 15 to the front side of the glass door 30.

Next, a second embodiment of the present invention will be described.
In the second embodiment of the present invention, as shown in FIG. 4, the corner connectors 10 are inserted into the resin frames 34, the paired glasses 32 are fitted into the grooves 33 provided in the resin frames 34, and the corner connectors 10 are respectively inserted. The structure in which the corner connector 10 and the resin frame 34 are screwed together is the same as that of the first embodiment of the present invention, but the corner connector 10 of the first embodiment and the spacer 43 which is a separate member are Instead, in the second embodiment, the tightening portion (the spacer 43 of the first embodiment) on the corner side (the upper side of the handle 15 shown in the figure) of the glass door of the L-shaped corner connector 10 is used.
(Extended to approximately the same position as the upper end) of the resin frame 34 to form an integral structure, which serves as a spacer inside the resin frame 34. 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 and extended. The handle fixing screws 17 are passed through the holes 45 provided in the extending portions from the back side of the glass door 30, and are inserted into screw holes (not shown) provided in the handle 15 to be screwed to the handle 1.
The upper and lower ends of 5 are fixed to the front side of the glass door 30.

With the above structure, the present invention handles 15
Even when the tightening torque of the handle fixing screw 17 to be tightened is increased, the deformation of the resin frame 34 is suppressed by the extending portions of the spacer 43 and the corner connector 10, and the appearance is significantly improved. Further, when the deformation is suppressed, the frictional force between the seat 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 the handle fixing screw 17 is also stable. From this, the effect of the tightening torque of the handle fixing screw 17 becomes large, and a high quality product can be stably supplied. Further, if the tightening torque can be increased, it is possible to prevent the handle fixing screw 17 from being loosened or the handle 15 to be dropped without increasing the number of working steps. Further, the spacer 43 and the four corner connectors 10 of the first embodiment of the present invention, the extended corner connectors of the second embodiment and the other corner connectors 10 are both made of metal such as zinc iron plate. It is manufactured by bending a sheet metal, and does not require a mold as compared with a corner connector made of a die-cast aluminum die-cast. In addition, in the second embodiment of the present invention, even if the handle fixing screw 17 is removed in order to assemble the handle in the factory or replace the handle in the market, the extension that is integrated with the corner connector is provided. Because of the portion, the extension portion can be easily positioned.

In the embodiment of the present invention, the case where the glass door of the refrigerating showcase is formed by using the corner connector has been described, but the present invention is also used for the handle fixing structure of the door other than the refrigerating showcase. I will get it. Further, in the embodiment of the present invention, the case where the pair of resin frames is provided with the spacer and the corner connector extending is described, but the present application is not limited to this, and a door that can endure the tightening of the handle is provided. If the frame is used, the handle can be securely fixed.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a main part of a door adopting a corner connector of the present invention.

FIG. 2 is an exploded perspective view of the door of FIG.

FIG. 3 is a cross-sectional view of a main part of a door that employs the corner connector of the present invention.

FIG. 4 is an exploded perspective view of a door adopting the corner connector of the second embodiment of the present invention.

FIG. 5 is a perspective view of a conventional refrigerated showcase.

FIG. 6 is an exploded schematic view of a door adopting a conventional corner connector.

[Explanation of symbols]

10 ... Corner connection tool 12 ... L-shaped bottom 13 ... Opening 14 ... Side piece 14a, 14b ... Inner edge 15 ... Handle 16 ... Escape part 16a ... end face 17 ... Fixing screw 18, 42 ... hole 20 ... Fitting part 22 ... Shaft hole 30 ... Glass door 31 ... Frame body 32 ... Pair glass 33 ... Groove 34 ... Resin frame 34a ... Cavity a 35 ... Inner edge 43 ... Spacer 44, 45 ... fixing screw insertion hole 50 ... Refrigerated showcase

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 3L102 JA03 KA01 KD10 KE01 KE06                       KE13

Claims (2)

[Claims] 1. A door of a storage, comprising a transparent member on a frame body to which a resin frame is connected by a corner connector and having both ends of a handle fixed to the resin frame, in the resin frame, the corner connector and the spacer. The door by means of a fixing means in which one of the handles penetrates the resin frame and the corner connector and the other of the handles penetrates the resin frame and the spacer. A storage door structure characterized by being fixed to the body. 2. A door of a storage comprising a transparent member on a frame body to which a resin frame is connected by a corner connector, and both ends of a handle fixed to the resin frame, wherein the corner connector is attached to the resin frame. Both ends of the handle are fixed to the door body by a fixing means provided with a fitting insertion part for fitting and inserting, and extending the fitting insertion part and penetrating the resin frame and the extended fitting insertion part. A storage door structure characterized by that.