JPS6311581Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a refrigerator having an improved mounting structure for a freezer compartment cooler to a front frame made of a heat insulating material.

[Technical background of the invention]

Conventionally, in refrigerators, a front frame made of heat insulating material is attached to the opening for the freezer compartment of the outer box, and the front frame is made of heat insulating material and has engaging recesses that open rearward on the four sides around the rear opening. A left and right side plate is placed in the left and right side openings of the freezer compartment cooler consisting of a bottom plate and a bottom plate to close the left and right side openings, and the edges of the left and right side openings are closed. The refrigerator is inserted into the engagement recesses formed in the side plates through the sealing members, and further, the front end portions of the freezer compartment cooler and the left and right side plates are inserted into the engagement recesses of the front frame, and then , a structure is provided in which a stock solution of foamable heat insulating material is injected into the space formed by the outer box, the front frame, the freezer cooler, and the left and right side plates to foam and fill the space.

[Problems with background technology]

In the conventional configuration, it is necessary to attach a sealing member to each four sides of the engagement recess of the front frame to prevent the undiluted solution of the foam insulation material from leaking into the freezer compartment cooler, and therefore a large amount of sealing member is required. This resulted in problems such as poor assembly workability and overall high costs.

[Purpose of invention]

The present invention has been made in view of the above circumstances, and its purpose is to provide a refrigerator that can significantly reduce the amount of sealing members used, has good assembly workability, and can be made at low cost overall.

[Summary of the idea]

In this device, engagement claws are formed on the upper and lower sides of the engagement recess of the front frame, a flange portion is formed on the front end of the freezer cooler that is curved outwardly in a substantially arc shape, and elastic contact protrusions are formed on the front ends of the left and right side panels, and the flange portion of the freezer cooler and the left and right side panels are fitted into the engagement recess of the front frame.
It is characterized by a configuration in which the front ends of both right side panels are inserted to engage the flange portions with the engaging claws and the contact protrusions are elastically contacted with the inner surfaces of the engaging recesses in the front frame, thereby eliminating the need to attach a sealing member to the engaging recesses in the front frame.

[Example of idea]

An embodiment of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes an outer box with an open front, and a partition plate 2 is installed in the front opening to partition this into an upper and lower part, and a partition plate 2 is fitted to the periphery of the opening 3 for the freezer compartment, which is the upper opening. The recess 4 is bent so as to protrude inward, and the fitting recess 6 is also bent so as to protrude inward from the periphery of the opening 5 for the refrigerator compartment, which is the lower opening. has been done. Reference numeral 7 denotes a substantially rectangular front frame made of a heat insulating material, and a flange portion 8 projecting outward is formed at the peripheral edge of the front opening thereof, and the flange portion 8 is connected to the opening for the freezer compartment. It is inserted and fitted into the fitting recess 4 of the section 3 via the seal member 9. Reference numeral 10 denotes a cooling box body with a freezing chamber 11 inside, and this is adapted to be attached to the rear opening of the front frame 7 as will be described later. Reference numeral 12 designates an inner box with a refrigerating chamber 13 inside, and a flange portion 14 projecting outward is formed at the peripheral edge of its front opening, and the flange portion 14 fits into the refrigerating chamber opening 5. It is inserted and fitted into the mating recess 6 via the seal member 15. Reference numeral 16 denotes a heat insulating material filled in the space formed by the outer box 1, the partition plate 2, the front frame 7, the cooling box body 10, and the inner box 12. It is made by injecting and foaming and solidifying. 17 is a refrigerator compartment cooler disposed in the upper part of the refrigerator compartment 13; 18;
Reference numeral 19 denotes a door for the freezer compartment that is pivotally installed in the opening 3 for the freezer compartment of the outer box 1, and 19 is a door for the refrigerator compartment that is pivotally installed in the opening 5 for the refrigerator compartment of the outer box 1.

Now, the specific structures of the front frame 7 and the cooling box body 10 will be explained. That is, an engagement recess 20 that opens rearward is formed on the four peripheral sides of the rear opening of the front frame 7, which has a substantially rectangular shape. Escape recesses 21 and 21' projecting upward from the barrel are formed, and escape recesses 22 and 22' projecting outward and downward are formed at the two lower corners.
Further, in the engagement recess 20, a plurality of substantially wedge-shaped engagement claws 23 are formed on the upper wall of the upper side and project downward, and a substantially wedge-shaped engagement claw 23 is formed on the lower wall of the lower side. A plurality of engaging claws 24 are formed to protrude upward. Moreover, the cooling box body 10
is the freezer compartment cooler 25 and the left and right side plates 26, 2.
6'. Freezer cooler 25
has a substantially U-shape consisting of a top plate part 27, a back plate part 28, and a bottom plate part 29, and a refrigerant pipe 30 is arranged in a meandering manner on the outer peripheral surface thereof. In this freezer compartment cooler 25, a flange portion 31 is formed at the front end of the top plate portion 28 by bending it outwardly and upwardly into a substantially arc shape, and a flange portion 31 is formed at the front end of the bottom plate portion 30. The flange portion 32 is formed by bending this downwardly outward into a substantially circular arc shape. Since the left and right side plates 26 and 26' have a symmetrical structure, we will now explain the left side plate 26 and the right side plate 2.
As for 6', the same parts are given dashes (') and their explanation will be omitted. That is, the left side plate 26
is integrally molded from plastic into a substantially rectangular shape, and has engagement recesses 33 that open inwardly formed on three sides of the periphery excluding the front end, and outer side walls of the three sides. A large number of ribs 34 are formed to protrude inward. Further, in the engagement recess 33, an escape recess 35 that projects outwardly and upwardly is formed at the upper front end thereof, and an escape recess 36 that projects outwardly and downwardly is formed at the lower front end. ing. Furthermore, the left side plate 26
Three protrusions 37, 38, and 39 are provided on the outer surface of the front end of
In particular, the protrusion 39 at the front end has a larger protrusion dimension than the others, and a self-hinge portion 40 is formed in the middle to form a resilient contact protrusion. Note that 41, 41 are protrusions formed on the left side plate 26 so as to protrude inward.

When the left side plate 26 is attached to the left side opening of the freezer compartment cooler 25, the left side plate 26 is placed in the left side opening of the freezer compartment cooler 25 so as to close it. With the seal member 42 interposed in the engagement recess 33, the edge of the left side opening is relatively inserted and engaged (see FIG. 5). When the engagement recess 33 of the left side plate 26 is engaged with the left side opening edge of the freezer compartment cooler 25, the relief recesses 35 and 36 escape from the left ends of the flanges 31 and 32, respectively. Then, a tape 43 that also serves as a sealing member is pasted across the engagement recess 33 of the left side plate 26 and the edge of the left side opening of the freezer cooler 25, thereby binding the two together. let Note that the right side plate 26' is attached to the right side opening of the freezer compartment cooler 25 in the same manner as the left side plate 26, and 43' is a tape similar to the tape 43.
In this way, the cooling box body 10 is constructed by attaching the left and right side plates 26, 26' to the left and right side openings of the freezer compartment cooler 25,
The front end of the cooling box body 10 is inserted into the engagement recess 20 of the front frame 7 from the rear side. As a result, the contact protrusions 34 and 3 of the left side plate 26 and right side plate 26'
4' is in elastic contact with the inner surface of the left side wall of the left side and the inner surface of the right wall of the right side of the engagement recess 20 (see FIG. 6), and the flanges 31 and 32 of the freezer compartment cooler 25 are in contact with the inner surface of the left wall of the left side and the inner surface of the right wall of the right side of the engagement recess 20, respectively. The relief recesses 21, 21' and 22, 22' are engaged with the engaging claws 23 and 24 on the upper and lower sides of the left and right side plates 26, 26 (see Fig. 7). ' upper relief recesses 35, 35' and lower relief recesses 36,
36'. Then, the upper plate part 27 and the bottom plate part 2 in the freezer compartment cooler 25
A pressing force that presses against the outer peripheral surface of the rear opening edge of the front frame 7 is applied to the front end portion of the front frame 7 by the engagement of the flange portions 31 and 32 with the engaging claws 23 and 24. The pressure dimension l is set to be sufficiently large so as to prevent leakage of the raw solution of the foamable heat insulating material.

According to this embodiment, when the front end of the cooling box body 10 is inserted into the engagement recess 20 of the front frame 7,
Contact protrusions 39, 3 on left and right side plates 26, 26'
9' are brought into elastic contact with the inner surface of the left side and the inner surface of the right side of the engagement recess 20, respectively, and the freezer compartment cooler 25
The front end of the freezer compartment cooler 25 is connected to the outer periphery of the rear opening edge of the front frame 7 by engaging the flange parts 31 and 32 of the engaging claws 23 and 24 on the upper and lower sides of the engaging recess 20. Since it is pressed against the surface by the pressure contact dimension 1, a sufficient sealing effect can be obtained for the raw solution of the foaming heat insulating material without intervening a sealing member in the engagement recess 20, and therefore, compared to the conventional method, The amount of sealing material used can be significantly reduced,
This improves the assembly workability and can be manufactured at low cost in general. Moreover, according to this embodiment, as described above, the freezer compartment cooler 2
Since the flange portions 31 and 32 of the cooling box 10 are engaged with the engagement claws 23 and 24 of the engagement recess 20 in the front frame 7, there is an advantage that the coupling force of the cooling box body 10 to the front frame 7 can be increased. be.

It should be noted that the present invention is not limited to the embodiments described above and shown in the drawings, but can of course be implemented with appropriate modifications within the scope of the invention.

[Effect of idea]

As explained above, in the refrigerator of the present invention, when the front end of the cooling box body consisting of the freezer compartment cooler and the left and right side plates is inserted into the engagement recess of the front frame, the front end of the freezer compartment cooler The flange portion of the engaging recess is engaged with the engaging claws on the upper side and the lower side of the engaging recess, and the contact protrusions on the front ends of the left and right side plates are brought into elastic contact with the inner surface of the engaging recess. Therefore, it is possible to make it unnecessary to attach a sealing member to the engagement recess, and therefore, the amount of sealing member used can be significantly reduced, which improves assembly workability and can be done at low cost overall. This has practical effects.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a vertical cross-sectional side view of the upper half, Fig. 2 is a perspective view of the main part,
Figure 3 is an exploded perspective view of the main parts, Figure 4 is a sectional view taken along the - line in Figure 3, Figures 5, 6 and 7.
The figure is a sectional view taken along lines -, -, and - in FIG. 2. In the figure, 1 is an outer box, 3 is an opening for the freezer compartment, 7 is a front frame, 10 is a cooling box body, 11 is a freezer compartment, 16 is a heat insulator, 20 is an engagement recess, 23 and 24 are engagement claws ,2
5 is a freezer compartment cooler, 26 is a left side plate, 26' is a right side plate, 27 is an upper plate part, 28 is a back plate part, 29 is a bottom plate part, 31 and 32 are flange parts, 33 and 33'
indicates an engaging recess, and 39 and 39' indicate contact protrusions.

Claims (1)

[Scope of utility model registration request] Thermal insulation is attached to the freezer compartment opening of the outer box and has an engaging recess that opens rearward on the four sides around the rear opening, and has engaging claws formed on the upper and lower sides of the engaging recess, respectively. It consists of a front frame made of wood, a top plate part, a back plate part, and a bottom plate part, and the front ends of the top plate part and the bottom plate part are bent outward in a substantially arc shape, and the engagement claws of the engagement recesses are bent outward in a substantially arc shape. a freezer compartment cooler having a flange portion that engages with the freezer compartment cooler; A refrigerator comprising left and right side plates each having an engaging recess that is inserted through a sealing member and having a contact projection having elasticity at the front end that makes elastic contact with the inner surface of the engaging recess of the front frame. .