JP3443512B2 - Lead wire lead-out member - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lead wire drawing member for drawing a lead wire from a door filled with a heat insulating member such as urethane.

[0002]

2. Description of the Related Art In a refrigerator door, urethane is filled and foamed in a space formed by a synthetic resin door cap, a door outer member formed of a metal plate, a sash, and a back paper. The sash is a frame-shaped member attached to the edge of the rear surface of the door outer member, and is a member for attaching a gasket.

When the door of the refrigerating compartment is of a double door type, a rotary partition plate is provided on one door to prevent cold air from leaking between the doors when the left and right doors are closed. Has been. A heater is arranged inside the rotary partition plate to prevent adhesion of frost.

Therefore, it is necessary to pass a lead wire for the heater inside the space of the door. This lead wire is inserted from the hinge hole of the hinge part of the door cap, passes through the urethane undiluted solution, and goes out from between the back paper and the sash, and a sealing material is attached to the exit part for urethane sealing. There is.

After urethane foaming, the inner member of the door is fixed to the outer member of the door, and the lead wire is taken out from the lead-out hole provided in the member of the door.

[0006]

However, the lead wire take-out structure as described above has a problem that a large number of parts are required, resulting in an increase in cost and an increase in the number of assembling steps.

Further, in a sashless integral foam type door that does not use a sash, a housing case which is a lead wire drawing member is provided only on the inner member of the door, and after the inner member of the door is inclined, the urethane stock solution is injected. A method of foaming is also conceivable.

However, such a method requires a special jig, the length of the lead wire becomes long, and the urethane leaks or foams due to the misalignment of the fitting portion between the door outer member and the door inner member. There was a problem that it was necessary to increase the size of the preheating furnace. Further, the lengthening of the lead wire may cause a surplus of the length to appear as distortion on the door surface.

In view of the above problems, the present invention provides a lead wire drawing member which can easily draw a lead wire from a door filled with a heat insulating member.

[0010]

In the lead wire drawing member according to claim 1 of the present invention, one door member is combined with another door member, and the space formed by the combination is filled with a heat insulating member. A lead wire drawing member for drawing a lead wire from a door, wherein the lead wire drawing member is a storage member mounted inside the one door member, and a lid member mounted inside the other door member. The storage member stores the lead wire and has a storage space with an upper surface opened, and a lead-in hole for pulling the lead wire into the storage space is opened. When the one door member and the other door member are combined, the upper surface of the storage member is fitted to close the storage space, and the lead wire is pulled out from the closed storage space. The drawer hole of Those were.

The lead wire drawing member of claim 2 is the same as that of claim 1.
In the above, the inclined surface is formed so that the hem portion of the fitted portion of the lid member that covers the storage member expands.

According to a third aspect of the present invention, there is provided a lead wire drawing member according to the first aspect, wherein a positioning piece is projected from a lower portion of the housing member, and the shape of the positioning piece follows an inner shape of the one door member. Is what is.

According to a fourth aspect of the present invention, there is provided a lead wire drawing member according to the first aspect, wherein a through space is formed below the housing space in the housing member, and at least four opposing walls of the through space are opposed to each other. Is opened.

According to a fifth aspect of the present invention, there is provided a lead wire lead-out member according to the first aspect, wherein the lead-in hole is provided in a bottom surface of the housing space of the housing member, and the lead-in hole is located from a central portion of the bottom surface. It is in a displaced position.

According to a sixth aspect of the present invention, there is provided the lead wire drawing member according to the first aspect, wherein the lid member is provided with a protrusion having substantially the same shape as the inner shape of the other door member.

According to a seventh aspect of the present invention, there is provided a lead wire drawing member according to the first aspect, wherein a reinforcing rib is projected downward from an upper portion of a fitting portion of the lid member which covers the housing member, and the lid member is housed in the housing. The reinforcing ribs support the upper edge of the storage space when the member is covered.

The lead wire drawing member of claim 1 will be described.

First, the lead wire is drawn through the drawing hole of the housing member and housed in the housing space. The storage member storing this lead wire is attached to one door member. Also, the lid member is attached to another door member.

In this way, when one door member and another door member are combined, a space for filling the heat insulating member is formed, and the storage member is covered with the lid member.

Thereafter, the space is filled with a heat insulating member.
In this case, since the storage space in which the lead wire is stored is closed, the heat insulating member does not enter the inside.

Finally, the lead wire is pulled out from the lead hole of the lid member.

According to the lead wire drawing member of claim 2,
Since the inclined surface is formed so that the hem portion of the fitted portion of the lid member expands, when the storage member is covered, this inclined surface serves as a guide and can be surely covered.

According to the lead wire drawing member of claim 3,
With the positioning piece, the storage member can be easily attached to the inner shape of the one door member.

According to the lead wire drawing member of claim 4,
Since a through space is formed below the storage space,
When the heat insulating member is filled, the heat insulating member also flows to other places through this passage space.

According to the lead wire drawing member of claim 5,
Since the lead-in hole is provided at a position displaced from the central portion of the bottom surface of the storage space, it is easy to store the lead wire.

According to the lead wire drawing member of claim 6,
Since the protrusion having substantially the same shape as the inner shape of the other door member is provided, the lid member can be easily attached to the inside of the other door member.

According to the lead wire drawing member of claim 7,
When the lid member is covered with the storage member, the reinforcing rib supports the upper edge portion of the storage space, so when filling the heat insulating member,
The storage space is not deformed by the flow of the heat insulating member.

[0028]

DETAILED DESCRIPTION OF THE INVENTION

(First Embodiment) A lead wire drawing member 10 according to a first embodiment of the present invention will be described with reference to FIGS.

First, a refrigerator 1 using this lead wire drawing member 10 will be described with reference to FIG.

The refrigerator 1 has a refrigerating room 2 at the uppermost stage. In this refrigeration room 2, the left and right doors 3,
4 are provided. This left door 3 has both doors 3, 4
The hinge member 8 provided on the door 3 is rotatably provided with a rotary partition plate 5 for preventing cold air from leaking between the doors 3 and 4 when the door is closed. This rotating partition plate 5
A heater 9 is fixed inside by a tape 13, and by energizing this heater 9, the rotary partition plate 5
Frost does not adhere to the surface. A guide groove 15 is provided on the upper surface of the rotary partition plate 5 for rotating the rotary partition plate 5 by engaging with a guide projection (not shown) protruding downward from the center of the upper end of the refrigerator compartment 2. ing.

As shown in FIG. 3, the lead wire pullout member 10 of the present embodiment is provided on the upper right side of the left door 3, and from the hinge hole 6 provided in the hinge portion of the left door 3. The lead wire 7 is pulled out from the right side of the door 3 and is connected to the rotary partition plate 5. In addition,
The lead wire 7 from the control board of the refrigerator 1 is connected to the rotary partition plate 5.
This is for supplying power to the heater 9 inside.

Hereinafter, the door 3 and the lead wire drawing member 1 will be described.
The structure of 0 will be described.

First, the structure of the door 3 will be described with reference to FIG.

The door 3 comprises a door outer member formed by bending a metal plate located on the outer side thereof, and a door inner member 14 attached to the rear side of the door outer member 12. An upper cap 16 and a lower cap 18 are attached to the upper and lower portions of the door outer member 12, respectively. Further, the inner door member 14 is provided with a gasket 11 for preventing cold air leakage when the rotary partition plate 5 is closed.

On both sides of the door inner member 14, there are provided ridges 20 and 22 protruding rearward. An opening 24 for drawing out the lead wire 7 is opened on the upper right surface of the right protruding portion 22. Further, the ridge portion 22 in FIG.
On the right side of, the rotary partition plate 5 described above is rotatably attached.

Next, the structure of the lead wire drawing member 10 will be described with reference to FIGS.

The lead wire lead-out member 10 is a door outer member 12
And a lid member 28 attached to the door inner member 14.

The storage member 26 includes four walls 30, 32, 3
It has a storage space 40 surrounded by 4, 36 and a bottom surface 38.

From the lower end of the storage space 40, the mounting surface 4
2 is protruding so as to spread in all directions. A rib 44 is provided between the mounting surface 42 and each wall 30, 32, 34, 36 of the storage space 40. In addition, a lead-in hole 46 for leading the lead wire 7 is opened in the wall 30.

The lid member 28 is a storage space 4 for the storage member 26.
0 covers the upper surface of the lid member 46,
It has a shape that follows the internal shape of the ridge portion 20 of the door inner member 14. That is, the lid member 28 is formed of the fitting portion 48 that covers the upper edge portion of the storage space 40 and the insertion portion 50 that protrudes above this. The insertion portion 50 has a shape along the ridge portion 22, and a lead-out hole 52 for leading out the lead wire 7 is opened on the right side thereof.

The procedure for assembling the lead wire 7 from the door 3 using the lead wire drawing member 10 will be described.

(1) The lid member 28 is incorporated into the ridge portion 22 of the door inner member 14. In this case, the insertion portion 50 is aligned with the ridge portion 22, and the opening portion 24 and the extraction hole 24 are aligned.

(2) Inner door member 14 incorporating the lid member 28
Is set on the upper jig for urethane foaming. In this case, the lid member 28 is fixed to the door inner member 14 with tape.

(3) Upper cap 1 above and below the door outer member 12
6, the lower cap 18 is attached, and the lead wire 7 having the connecting member 54 attached to the tip is inserted from the hinge hole 6 of the upper cap 16. Then, the lead wire 7 is drawn in through the drawing hole 46 of the storage space 40 of the storage member 26 and is stored in the storage space 40 so as to be folded. The reason why the lead wire 7 is folded in this manner is to secure a length for connecting to the rotary partition plate 5. In the case of rt rain, a soft tape 47 for sealing is wound around the lead wire 7 near the lead-in hole 46. Further, the sealing tape 74 is provided outside the storage space 40.
Is wound.

(4) The separation paper 56 is fixed to the inside of the door outer member 12 with tape. By doing so, the distortion of the door surface can be reduced. The storage member 26 is attached to the separation paper 56 of the door outer member 12. In this case, a double-sided tape is attached to the mounting surface 42, so that the door outer member 12 is mounted inside. Note that this mounting position is the door outer member 12 in FIG.
Is the upper right side of.

(5) Inject the undiluted urethane solution into the outer member 12 of the door and pass through the preheating furnace. In this case, since the drawer member 10 is a separate system of the lid member 28 and the storage member 26, the storage member 26 does not extremely protrude from the outer door member 12 and can easily pass through the preheating furnace. it can. After passing through the preheating furnace, the door outer member 12 is set on the lower jig for foaming urethane.

(6) The lower jig is raised to match the upper jig to foam urethane. By combining the lower jig and the upper jig, the door outer member 12 and the door inner member 14 are combined, and the lid member 28 covers the upper portion of the storage member 26. When the storage member 26 and the lid member 28 are combined, the storage space 40 is closed, and the lead wire 7 is stored therein. Since the sealing tape 74 is provided between the lid member 28 and the storage member 26, and the soft tape 47 for sealing is provided in the pull-in hole 46, the storage space 40 is completely closed. It
Therefore, urethane does not enter the inside.

(7) After the urethane foaming is completed, the lead wire 7 housed in the housing space 40 is drawn out from the drawing hole 52 and the opening 24, and the lead wire drawing is completed.

(8) The rotary partition plate 5 is attached, and the heater 9 and the connecting member 54 for the lead wire 7 are connected therein. After connecting the wires, the extra lead wire 7 is stored in the storage space 40 again. In this case, the space occupied by the pullout member 10 is very small inside the door 3, but the storage space 40 can be wide, so that the lead wire 7 can be stored easily.

As described above, in the lead wire drawing member 10 of this embodiment, the lead wire drawing member 10 can be easily assembled by combining the door outer member 12 and the door inner member 14.
Can be assembled, and the lead wire 7 can be easily taken out.

(Second Embodiment) Next, based on FIG.
A second embodiment of the lead wire drawing member 10 will be described.

The difference between this embodiment and the first embodiment is the structure of the fitting portion 48 of the lid member 28. That is, in the first embodiment, the fitted portion 48 is provided substantially vertically, but in the present embodiment, as shown in FIG. 5, it has a skirt shape formed so as to widen toward the hem portion.

As a result, when the cover member 28 is put on the storage member 26, the inclined surface of the fitting portion 48 formed in a skirt shape serves as a guide, so that both members 26, 28 can be reliably set. it can.

(Third Embodiment) Next, a third embodiment will be described with reference to FIGS.

First, the structure of the lid member 28 will be described.

The difference in structure between the lid member 28 in this embodiment and the lid member 28 in the first embodiment is that a pair of fixing pieces 58 are projected from the lower end of the fitted portion 48.

The role of the fixing piece 58 is such that when the lid member 28 is attached to the door inner member 14, the fixing piece 58 extends along the inner surface 60 corresponding to the base of the protrusion 22.

As a result, when the lid member 28 is attached to the door inner member 14, it is possible to fix the inner surface 60 and the fixing piece 58 with the tape 59.

Next, the structure of the storage member 26 will be described.

First, the storage space 40 is formed so as to be lifted by the four legs 62, and a passage space 64 is formed below the storage space 40. That is, all the four peripheral portions of the passage space 64 are opened and easily flow when the urethane undiluted solution is flown.

A lead-in hole 46 for the lead wire 7 is provided on the bottom surface of the storage space 40. This position is the bottom 38
Is provided at a position displaced from the central portion of the. for that reason,
Even when the lead wire 7 is stored in the storage space 40,
Since the lead wire 7 and the connecting member 54 can be reliably housed in this narrow space, the lead wire 7 protruding from the housing space 40 is not sandwiched by the lid member 28.

Further, a positioning piece 66 further projects from the right end of the mounting surface 42 projecting from the lower end of the storage space 40. The positioning piece 66 has a structure that is bent along the inner shape of the outer door member 12. Therefore, when the storage member 26 is attached to the inside of the door outer member 12, it is possible to surely attach the storage member 26 to a target position without making a mistake in the left-right direction.

(Fourth Embodiment) Next, FIG. 10 and FIG.
A fourth embodiment of the lead wire drawing member 10 will be described based on FIG.

First, the structure of the door inner member 14 for mounting the lead wire drawing member 10 of the fourth embodiment will be described.

As shown in FIG. 11, in the door inner member 14 of this embodiment, not only the ridges 20 and 22 are provided on both left and right sides, but also the ridges 70 are provided on the upper and lower portions thereof. It is provided. In other words, the door inner member 14 has four ridges 20, 22, 68 protruding along the four sides thereof. The lead wire drawing member 10 is attached to the upper right corner.

The lead wire lead-out member 1 of the fourth embodiment
0 is a modification of the lead wire drawing member 10 of the third embodiment.

That is, the projecting portion 70 further projects upward from the end portion of the fixing piece 58 of the lid member 28. The shape of the protruding portion 70 follows the inner shape of the protruding portion 70, and the shape becomes sharper toward the top.

With this lid member 28, when the lid member 28 is attached to the member 14 inside the door, the insertion portion 50 is inserted into the ridge portion 22,
The protruding portion 70 is inserted into the protruding portion 68. As a result, the lid member 28 can be reliably attached to the ridges 68 and 22 that are orthogonal to each other.

(Fifth Embodiment) Next, referring to FIG. 12 and FIG.
The fifth embodiment will be described based on FIG.

The difference between this embodiment and the third embodiment is that
The reinforcing rib 72 is vertically provided from the upper portion of the fitted portion 48 of the lid member 28.

As shown in FIG. 13, the reinforcing ribs 72 are located inside the upper edge of the storage space 40 when the storage member 26 is covered with the lid member 28.

As a result, even if the wall 30 of the storage space 40 is deformed by the foaming pressure when the urethane undiluted solution is injected and foamed, the wall 30 is supported by the reinforcing ribs 72, so that the deformation can be prevented. it can. Therefore, the urethane does not leak or the storage space 40 does not become narrow when the urethane is foamed.

[0073]

According to the lead wire drawing member of the first aspect, the assembling process can be simplified and the lead wire can be drawn out easily from the door. Moreover, since the only necessary parts are the lid member and the storage member, the cost can be reduced.

According to the lead wire drawing member of claim 2,
Since the hem portion of the fitting portion is widened, the lid member can be easily covered with the storage member.

According to the lead wire drawing member of claim 3,
With the positioning piece, the storage member can be easily attached to a predetermined position of one door member.

According to the storage member of claim 4, when the heat insulating member is filled with the through space, the heat insulating member can pass through, so that the flow of the heat insulating material can be made smooth and the heat of the door can be insulated. The structure of can be done.

According to the lead wire drawing member of claim 5,
Since the lead-in hole is provided at a position displaced from the center of the bottom surface of the storage space, the lead wire can be reliably stored in the storage space, and the lead wire does not stick out of the storage space.
The lead wire will not be pinched when the cover member is covered.

According to the lead wire drawing member of claim 6,
By providing the protrusion, the lid member can be securely attached to the inside of another door member.

According to the lead wire drawing member of claim 7,
Since the reinforcing ribs are provided, the reinforcing ribs support the upper edge portion of the storage space when the heat insulating material is filled, so that the storage rib does not deform and the storage space does not become narrow.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing a first embodiment of the present invention in which a lead wire drawing member is attached inside a door.

FIG. 2 is a front view of the refrigerator of this embodiment.

FIG. 3 is a perspective view of a left door.

FIG. 4 is an exploded perspective view of a state in which the door inner member is being attached to the door outer member.

FIG. 5 is a vertical sectional view of a lead wire drawing member according to a second embodiment.

FIG. 6 is a perspective view of a lid member of a lead wire drawing member according to a third embodiment.

FIG. 7 is a perspective view of a storage member of the same.

FIG. 8 is a vertical cross-sectional view when the lead wire drawing member of the third embodiment is attached to a door.

FIG. 9 is a vertical sectional view of a storage member according to a third embodiment.

FIG. 10 is a perspective view of a lid member of a lead wire drawing member according to a fourth embodiment.

FIG. 11 is a rear view showing a state in which the lead wire pullout member of the fourth embodiment is attached to the door inner member.

FIG. 12 is an exploded perspective view of a lead wire drawing member of a fifth embodiment.

FIG. 13 is a vertical sectional view of the lead wire drawing member.

[Explanation of symbols]

7 lead wire 10 Lead wire drawing member 12 Door outer member 14 Door inner member 22 Projection 26 Storage member 28 Lid member 40 storage space 46 Inlet hole 52 Draw-out hole 58 fixed piece 64 through space 66 Positioning piece 70 Projection 72 Reinforcing rib

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-1-266480 (JP, A) JP-A-8-226748 (JP, A) JP-A-7-167546 (JP, A) Actual Kaihei 3- 575 (JP, U) Actual development 4-74283 (JP, U) Actual development Sho 62-201383 (JP, U) Actual development Sho 60-191880 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) F25D 23/00 305

Claims (7)

(57) [Claims] 1. A lead wire drawing member for combining one door member and another door member and drawing a lead wire from a door for filling a space formed by the combination with a heat insulating member, The lead wire drawing member includes a storage member mounted inside the one door member and a lid member mounted inside the other door member, and the storage member stores the lead wire and has an upper surface. Has a storage space opened, and a lead-in hole for pulling the lead wire into the storage space is opened, and the lid member is a combination of the one door member and the other door member. A lead wire drawing member, characterized in that the upper surface of the housing member is fitted to close the housing space, and a lead-out hole for drawing out the lead wire from the closed housing space is opened. 2. The lead wire drawing member according to claim 1, wherein an inclined surface is formed so that a skirt portion of a fitting portion of the lid member which covers the storage member is widened. 3. A lead wire lead-out according to claim 1, wherein a positioning piece is projected from a lower portion of the housing member, and the shape of the positioning piece is a shape along an inner shape of the one door member. Element. 4. The lead wire according to claim 1, wherein in the housing member, a through space is formed below the housing space, and at least four opposing walls of the through space are opened. Drawer member. 5. The retracting hole is provided in the bottom surface of the accommodating space of the accommodating member, and the position of the retracting hole is displaced from the central portion of the bottom surface. Lead wire drawing member. 6. The lead wire drawing member according to claim 1, wherein the lid member is provided with a protrusion having substantially the same shape as the inner shape of the other door member. 7. A reinforcing rib projects downward from an upper portion of a fitting portion of the lid member which covers the housing member, and when the lid member is covered by the housing member, the reinforcing rib covers the housing space. The lead wire drawing member according to claim 1, which supports an upper edge portion.