JP3268952B2 - Storage door device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door device for a storage provided with a door for closing an opening of a storage room so as to be able to open and close.

[0002]

2. Description of the Related Art Conventionally, in storages such as low-temperature showcases, for example, Japanese Utility Model Publication No. 2-4217 (E05)
D13 / 00), by opening and closing the front opening of the storage room with a sliding door type glass door,
Products displayed in the storage room can be delivered freely.

In the above publication, the strength of the door is improved by fitting a frame made of aluminum or the like around a main body made of a transparent glass plate, and a handle for opening and closing the door is formed in this one side frame. Was.

[0004]

However, when such a frame is not used, it is necessary to attach a handle to the door.
In this case, the handle is generally fixed to the glass plate with an adhesive, but once bonded, the handle cannot be moved, so that the position adjustment becomes difficult and skill is required. In addition, since it is necessary to apply an adhesive or attach an adhesive tape to the handle, there has been a problem that the number of components increases and assembly workability deteriorates.

[0005] Further, since the strength of the door itself is reduced as compared with the case where the frame is present, there is a risk that the glass plate or the like may be cracked by an impact when the door is closed.

The present invention has been made to solve the above-mentioned conventional technical problem, and an object of the present invention is to provide a door device of a storage box in which the assembling workability is improved while maintaining the handle mounting strength. And

It is another object of the present invention to provide a door device for a storage box in which the impact resistance of the door is improved and the opening and closing operability is improved.

[0008]

SUMMARY OF THE INVENTION The door device of the invention of claim 1 is intended to be adapted to the reservoir provided with a handle on the door for closing the opening of the storage chamber openably handle coefficient of friction
Is large, and is formed by integral molding of a soft resin and a hard resin having no adhesive action, and includes a knob and an engaging portion that engages with a door edge portion, and the soft resin portion is connected to the door side. And the entrance dimension of the engaging portion is smaller than the thickness of the door.

A door device according to a second aspect of the present invention is applied to a storage provided with a handle on a door that closes an opening of a storage room so that the opening can be opened and closed, and the handle is related to a knob and a door edge. A mating engagement portion, and at least a door-side surface corresponding to the knob portion and a door-side surface of the engagement portion have a large friction coefficient.
In addition to supporting soft resin material without adhesive action ,
The entrance dimension of the engagement portion is configured to be smaller than the thickness of the door.

According to the storage door apparatus of the first aspect of the present invention, the handle formed with the knob and the engaging part engaging with the door edge is made of a soft resin having a large friction coefficient and no adhesive action.
And the hard resin are integrally formed, and the soft resin portion is formed on the surface on the door side, so the soft resin portion having a large friction coefficient on the surface closely adheres to the door, and the mounting strength of the handle is maintained. . Therefore, the handle can be prevented from dropping or moving without using an adhesive or the like, and the number of components can be reduced and the assembling workability can be significantly improved. In particular, since the entrance dimension of the engaging portion is configured to be smaller than the thickness of the door, the soft resin portion comes into close contact with the door while the inner surface of the handle sandwiches the door, and the mounting strength of the handle is further improved.

According to the door device for a storage according to the second aspect of the present invention, at least the door-side surface corresponding to the knob, the knob having the knob and the engaging portion engaging with the door edge portion; The surface of the engagement part on the door side has a large coefficient of friction and
Since no soft resin material is used , the material portion closely adheres to the door, and the mounting strength of the handle is maintained. In particular, the friction coefficient corresponding to the knob and
Large and is provided with the free soft resin material having adhesive action, without using an adhesive or the like, effectively able to prevent falling off or movement of the handle, a significant improvement in reducing the assembling workability of the parts It is possible to achieve it.
In particular, since the entrance dimension of the engagement portion is configured to be smaller than the thickness of the door, a material having a large friction coefficient comes into close contact with the door as the inner surface of the handle sandwiches the door, and the handle mounting strength is further improved.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view of a low-temperature showcase 1 as an embodiment of a storage to which the present invention is applied (a state in which a left door 11 is open), and FIG.
FIG. 3 is a vertical longitudinal view of the front end portion (with the door 11 completely closed).
FIG. 4 is another plan sectional view of the low-temperature showcase 1 (a state in which the door 11 is slightly opened), and FIG. 4 is a perspective view of the door 11.

The low-temperature showcase 1 has a main body composed of a heat-insulating box 2 opened to the front. The heat-insulated box 2 has an outer box 3 made of a steel plate opened to the front and a space inside the outer box 3. And an inner box 4 made of a steel plate or a hard resin that opens forward and is built in, and upper and lower and left and right door frames 6 to 6 made of a hard synthetic resin as a breaker connecting the opening edges of the outer box 3 and the inner box 4. 9, outer box 3, inner box 4, and each door frame 6
-9 and a heat insulating material 5 made of foamed polyurethane filled in a foamed-in-place method.

A storage room 10 is formed in the inner box 4, and a front opening of the storage room 10 is opened and closed by sliding doors 11, 11 fitted in the door frames 6-9. Have been. A cooler and a blower (not shown) are provided in the upper part of the storage room 10, and the inside of the storage room 10 is cooled to a predetermined temperature by forced air circulation from the cooler.

Each of the door frames 6 to 9 is formed by extrusion molding of a hard synthetic resin. Each of the door frames 6 to 9 has a base 13, a front wall 14 with which the outer box 3 is engaged at the front end, and an inner box at the rear end. 4 is provided with rear walls 16 and partition walls 17 and 18 erected therebetween, and between the front and rear walls 14 and 16 and the partition walls 17 and 18, grooves 21, 22, 22.
23 are all formed to open inward. Each groove 2
1, 22 and 23 communicate with each other over the door frames 6 to 9, and a groove 23 (not shown) provided below the cooler is provided in the rearmost groove 23 of the left door frame 9. The drain pipe 51 attached to the plate is open. Reference numeral 52 denotes a drain cap attached to the tip of the drain pipe 51.

The door 11 is made of a single rectangular transparent glass plate as shown in FIG. 4, and a handle 27 is attached to an edge thereof. The handle 27 is formed by integral extrusion molding of hard vinyl chloride and soft vinyl chloride and has a dimension slightly smaller than the vertical dimension of the door 11, and as shown in FIG. A wall 32, a rear wall 33, a knob 34 protruding from a front surface on the front end side of the front wall 31,
An engaging portion 36 surrounded by 1, 32, and 33, and a contact portion 37 as a soft portion provided on the outer surface (side surface) of the vertical wall 32 are provided.

A soft resin portion made of the soft vinyl chloride is provided on the inner surface (rear surface) of the front wall 31 corresponding to the rear of the knob portion 34 and the inner surfaces of the front wall 31 and the rear wall 33 forming the engaging portion 36. 41 to 43 are arranged. The dimension of the entrance of the engaging portion 36 is slightly smaller than the thickness of the door 11, and the size of the inner portion of the engaging portion 36 is slightly larger.

Further, the abutment portion 37 is also formed of soft vinyl chloride, and has a tapered shape having a hollow inside as shown in FIG. A short fin 38 facing rearward is integrally formed at the tip of the contact portion 37.

By inserting one edge of the door 11 into the engaging portion 36 of the handle 27, the handle 27 is moved to the door 1 as shown in FIG.
Attach to 1. At this time, since the entrance dimension of the engagement portion 36 is slightly smaller than the thickness of the door 11 as described above, the inner surfaces of the front wall 31 and the rear wall 33 of the handle 27 are
It is a form that sandwiches. Thereby, each wall 31, 3
The soft resin portions 41 to 43 provided on the inner surface of the door 3 are in close contact with the surface of the door 11.

Here, the coefficient of friction of the surface of the soft resin portions 41 to 43 made of soft vinyl chloride is large. Therefore, each of the soft resin portions 41 to 43 comes into close contact with the surface of the door 11 and the handle 27 is attached. The strength is maintained, and the handle 27 can be prevented from falling off and rattling without using an adhesive or the like. In addition, since they are not bonded, fine adjustment of the position is possible, so that the assembling operation can be remarkably improved.

The doors 11, 11 to which the handle 27 has been attached in this manner are connected to the grooves 21, 2 on the front side of the door frames 6 to 9.
2 are respectively slidably fitted in the left and right directions. When the doors 11 are opened and closed, the knobs 34 are moved in the left-right direction with the knobs 34. At this time, the soft resin portions 41 to 43 are grips 27 to which the load is most applied when the doors 11 are opened and closed. The handle 27 is provided corresponding to the surfaces of the knobs 34 and the engaging portions 36 on the door 11 side, so that the handle 27 can be prevented from falling off effectively against such a load.

When the door 11 is closed as shown by an arrow in FIG. 3, the contact portion 37 of the handle 27 enters the groove 21 or 22, and as shown in FIG. 22
At this time, since the contact portion 37 is made of soft vinyl chloride, the impact when the door 11 is closed is reduced by the contact portion 37. Therefore, door 1
It becomes possible to avoid damage accidents such as cracks in 1 beforehand. In particular, the contact portion 37 is formed in the groove 21 or 2
2 and tightly closed, and since the inside is hollow, the heat insulation effect is generally improved. Further, the tapered shape allows the door 11 to smoothly enter the groove 21 or 22 when the door 11 is closed, and does not hinder the opening / closing operability of the doors 11.

In the embodiment, the handle 27 is formed by integral extrusion of hard vinyl chloride and soft vinyl chloride. However, the present invention is not limited to this. The portions 41 to 43 and the contact portion 37 may be formed of soft vinyl chloride or the like, and may be attached to the main body. Further, the soft resin portions 41 to 43 and the contact portion 37 are not limited to the soft vinyl chloride of the embodiment, but the surface friction coefficient of the invention of claim 2 is large.
Any other material of soft resin that is strong and has no adhesive action

Further, in the embodiment, the knob 34 and the engagement 36
Although the soft resin portions 41 to 43 are arranged corresponding to the above, the invention is not limited thereto, and the entire inner surface of the handle 27 may be a soft resin portion, or only the portion corresponding to the engaging portion 36 in the invention of claim 1 It does not matter. Furthermore, in the embodiment, the present invention is applied to a low-temperature showcase. However, the present invention is not limited to this, and the present invention is also effective for home and commercial refrigerators.

[0027]

As described above in detail, according to the first aspect of the present invention, the handle formed with the knob and the engaging portion engaging with the door edge has a large coefficient of friction and has no adhesive action. Soft resin
And the hard resin are integrally formed, and the soft resin portion is formed on the surface on the door side, so the soft resin portion having a large friction coefficient on the surface closely adheres to the door, and the mounting strength of the handle is maintained. . Therefore, the handle can be prevented from dropping or moving without using an adhesive or the like, and the number of components can be reduced and the assembling workability can be significantly improved. In particular, since the entrance dimension of the engaging portion is configured to be smaller than the thickness of the door, the soft resin portion comes into close contact with the door while the inner surface of the handle sandwiches the door, and the mounting strength of the handle is further improved.

According to the second aspect of the present invention, at least the door-side surface corresponding to the knob, and the door of the engaging portion, formed with the knob and the engaging portion engaging with the door edge, are provided. on the surface of the side, or
Since a soft resin material having a large friction coefficient and having no adhesive action is used , the material portion closely adheres to the door, and the grip mounting strength is maintained. In particular, the friction coefficient is large and the adhesive is
By providing a soft resin material that does not work, it is possible to effectively prevent the handle from falling off or moving without using an adhesive, etc., and it is possible to reduce the number of parts and significantly improve the assembly workability It becomes. In particular, since the entrance dimension of the engaging portion is smaller than the door thickness, the inner surface of the handle has a large friction coefficient with the door sandwiched between the door and
The useless soft resin material comes into close contact with the door, and the handle mounting strength is further improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a low-temperature showcase as an embodiment to which the present invention is applied.

FIG. 2 is a plan sectional view of a front end of the low-temperature showcase of FIG. 1;

FIG. 3 is another plan sectional view of the front end of the low-temperature showcase of FIG. 1;

FIG. 4 is a perspective view of a door.

FIG. 5 is a perspective view of a handle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Low-temperature showcase 2 Insulated box 6-9 Door frame 10 Storage room 11 Door 21, 22 Groove 27 Handle 34 Knob part 36 Engagement part 37 Contact part 41-43 Soft resin part

Continuation of the front page (56) References JP-A 48-73117 (JP, U) JP-A 6-81339 (JP, U) JP-A 53-23113 (JP, Y2) (58) Fields surveyed (Int .Cl. ⁷ , DB name) E05B 1/06 105 A47F 3/04

Claims (2)

(57) [Claims] 1. A storage provided with a handle on a door for opening and closing the opening of the storage chamber, wherein the handle has a large coefficient of friction and has no adhesive action.
The soft resin and the hard resin are integrally formed, and include a knob portion and an engaging portion that engages with the door edge portion, and the soft resin portion is formed on a surface on the door side, and the A door device for a storage, wherein an entrance dimension of the engaging portion is configured to be smaller than a thickness of the door. 2. A storage provided with a handle on a door that closes an opening of a storage chamber so as to be openable and closable, wherein the handle includes a knob and an engaging portion that engages with the door edge, and at least the knob. The door-side surface corresponding to
And, the coefficient of friction is large on the surface of the engagement portion on the door side.
A door device for a storage, wherein a soft resin material having no adhesive action is used, and an entrance dimension of the engaging portion is smaller than a thickness of the door.