JPH0734308Y2 - Refrigerator that can convert the freezer compartment to freezing or refrigerating - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a freezer compartment of a refrigerator, and relates to a refrigerator in which the freezer compartment can be used as a refrigerator compartment.

[Conventional technology]

Generally, in a refrigerator having a freezing / refrigerating room, when the freezing / refrigerating room is used as a refrigerating room as needed, as shown in FIG. A shut-off tamper 52 and a temperature controller 53 for adjusting the temperature of the freezer / refrigerator room are separately provided,
After the temperature controller 53 is switched to the refrigerating region, the switching knob 51 engaged with the cold air shut-off tamper 52 is adjusted to the refrigerating position.
Is activated, the temperature of the freezer / refrigerator room is adjusted to the temperature of the refrigerator room.

Further, when the freezing / refrigerating room used for the refrigerating room is converted to the freezing room, after the temperature controller 53 is switched to the freezing area, the switching knob 51 is adjusted to the freezing position. The cold air shut-off damper 52 of the freezing / refrigerating chamber is operated, and the temperature of the freezing / refrigerating chamber is adjusted to the temperature of the refrigerating chamber.

[Problems to be solved by the invention]

Such a conventional technique, when the freezing / refrigerating / combining chamber is frozen or is converted into a refrigerating chamber, the user adjusts the temperature of the freezing / refrigerating / combining chamber and the temperature controller, There are inconveniences because the user has to perform the two operations of adjusting the damper adjustment switching knob to open and close the flow of cold air in the freezer / refrigerator room. However, if one operation is omitted, there is a problem that it cannot be converted into a freezing or refrigerating room.

In order to solve such a problem, the present invention can convert the freezing / refrigerating chamber into a freezing / refrigerating room by only one operation of the conventional two operations, omitting one operation. To do so.

[Means for solving problems]

The structure of the present invention for solving the above-mentioned problems will be described with reference to FIGS. 1 to 4 corresponding to the embodiment. The present invention has a lattice part provided on an inner wall of a freezer / refrigerator chamber. A cold air intake and a cold air passage are provided in the upper part of the heat insulating layer provided outside the freezing / refrigerating chamber and the shutter 10 provided in the gap between the heat insulating layer and the lattice portion, by providing several cold air passage holes. Each of the holes is provided so that the shutter is opened and closed by the adjustment of the temperature controller so that the flow of cold air into the freezing / refrigerating room is adjusted, and the knob of the temperature controller 19 of the freezing / refrigerating room is adjusted. 20 in cam groove
21 is provided so that the cam groove 21 can be rotated by the adjustment of the temperature controller 19, and the intermediate portion of the linear lever 13 is axially supported so that the linear lever can freely reciprocate, and One end of the linear lever is brought into contact with the cam groove so that the linear lever can be moved forward and backward in a straight line by the rotation of the cam groove. On guide pin 37
Projectingly, the guide pin 37 is inserted into and abuts the guide groove 15 formed at the base end portion of the right-angled lever 11, and the corner portion of the right-angled lever 11 is freely rotated by the right-angled lever 11. As shown in FIG.
When 13 moves forward and backward on a straight line, the right angle lever
11 moves forward and backward in a direction perpendicular to the sliding direction of the linear lever 13, that is, in the left-right direction, and the supporting piece 9 is engaged with the other side of the rectangular lever 11 so that the supporting piece 9 is moved. The fitted shutter 10 slides, the cold air intake port and the cold air passage hole are opened / closed, and the inflow of cold air is adjusted. Therefore, the freezing / refrigerating room is converted into a freezing or refrigerating room. Configured to.

[Action]

The present invention having the above-described structure includes the cam groove formed in the knob 20 by rotating the knob 20 of the temperature controller provided in the freezing / refrigerating chamber to the refrigerating state or the refrigerating region. Is rotated, the linear lever 13 abutting on the cam groove 21 advances and recedes on a straight line, and the other end portion of the right-angled lever 11 engaged with the base end of the linear lever 13 is the straight line. The right-angled lever 11 moves in a direction perpendicular to the sliding direction of the right-angled lever 13, that is, in the left-right direction, and the support piece 9 interposed at the other end of the right-angled lever 11 moves in the same direction as the other end of the right-angled lever 11. By moving, the shutter 10 fitted on the support piece 9 moves in the same direction, the opening and closing of the inflow of cold air is adjusted, and the freezing / refrigerating / combining chamber is converted into the refrigerating or freezing chamber.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a partial schematic cross-sectional view of a freezer / refrigerator chamber of the present invention, and FIG. 2 is a schematic view of a temperature controller of the present invention, a linear lever engaged with a shutter, and a right-angled lever. FIG. 4 is a perspective view, FIG. 4 is a schematic view showing a position of a shutter and a mode of a cold air intake port and a cold air passage hole when a freezing / refrigerating room according to the present invention is converted into a refrigerating room or a freezing room; The drawing is a plan view of the cam groove of the temperature controller of the present invention.

As shown in FIG. 1, an evaporator 2 and a fan 3 are provided inside the rear wall of the refrigerator so that the cool air of the evaporator 2 is circulated by the rotation of the fan 3, thereby freezing and refrigerating. A heat insulating layer 5 is provided on the outer side of the rear wall of the dual-purpose chamber 1, and the heat insulating layer 5 and
A side plate 31 having a predetermined distance from the heat insulating layer 5 is provided between the side wall 31 and the evaporator 2, and a cool air passage 32 is provided between the side plate 31 and the heat insulating layer 5. Cold air is sent to the lower refrigerating chamber, a rectangular cold air intake 4 having a predetermined size is provided above the heat insulating layer 5, and a lattice portion of the rear wall of the freezing / refrigerating chamber 1 is provided. In FIG. 7, a large number of rectangular cold air passage holes 6 are formed in parallel on the left and right sides in the lateral direction, and the cold air intake holes 4 are formed so as to be combined with each other. A guide groove 8 is provided in a gap between the outside of the lattice portion 7 and the inside of the heat insulating layer 5, and the guide groove 8 is provided.
Has a predetermined size that allows cold air flowing in from the cold air intake port 4 to flow in or be blocked by the cold air passage hole 6.
Moreover, a rectangular shutter 10 is inserted so as to slide freely.

The shutter 10 is provided with a rectangular cold air intake 4'having a predetermined size and a cold air passage hole 6'having a smaller opening area at a predetermined position. When the cold air intake port 4 provided in the heat insulating layer and the cold air passage hole 6 provided in the lattice part 7 are combined, a large amount of cold air flows into the freezing / refrigerating chamber 1 and is converted into the freezing chamber. Thus, when the shutter 10 is slid to close the cold air passage hole 6, a small amount of cold air is introduced from the cold air passage hole 6 provided in the shutter 10 and converted into a refrigerating compartment. Is configured to.

Further, as shown in FIG. 2, the base end of the support piece 9 is fitted into a predetermined portion of the shutter 10 and the support piece 9 is slid on one of the cold air passage holes 6 provided at the uppermost position. The right-angled lever 11 has a guide groove 15 in the lateral direction and is inserted movably.
A guide pin 37 is provided at the base end portion of the linear lever 13 so that the guide pin 37 is slidably inserted into the guide groove 15 so that the right angle lever In the corner portion of 11, the fixed shaft 14 is fitted to the control box 40 provided at the ceiling portion of the inner wall of the freezing / refrigerating chamber 1 so that the right angle lever 11 can freely rotate, and the linear lever is A rectangular guide groove 16 having a predetermined length is bored at an intermediate portion of 13, and each fixed shaft 35 is formed in the guide groove 16 so that the linear lever 13 can freely slide on the straight line. , 3
6 is inserted, and the fixed shafts 35 and 36 are fixed to the control box 40, respectively, and the contact pin 18 is fixed to the other end portion of the linear lever 13, and the contact pin 18 is fixed. The linear lever 13 is brought into contact with a cam groove 21 provided in the knob 20 of the temperature controller 19 so that the linear lever 13 is moved forward and backward on a straight line by the rotation of the cam groove, and is fitted to the shutter 10. A fixed shaft 50 is fitted to the other end portion of the support piece 9, and a guide groove 12 is formed in the other end portion of the right angle lever 11 so as to form the right angle lever.
The fixed shaft 50 is inserted into the guide groove 12 so that 11 is slidable.
When the linear lever 13 moves forward and backward on a straight line,
The other end portion of the right-angled lever 11 moves in a direction perpendicular to the sliding direction of the linear lever 13, that is, in the left-right direction, and the support piece 9 interposed in the right-angled lever 11 is inserted.
Is similarly moved in the left-right direction, the shutter 10 is similarly moved in the left-right direction, whereby the cold air passage hole 6 is opened and closed, and the inflow of cold air is adjusted, so that the combined freezing / refrigerating chamber 1 is opened. It is configured to be converted into a refrigerator or a freezer.

The operation of the present invention thus constructed will be described below with reference to FIGS. 2 to 4. That is, frozen
When the knob 20 of the temperature controller 19 provided in the refrigerating / combining chamber 1 is adjusted for refrigeration, the cam groove 21 provided in the knob 20 is rotated to the refrigerating region and abutted on the cam groove 21. Contact pin 18
Is slid forward, that is, in the direction of the window side of the refrigerator, and the linear lever 13 having the fixed contact pin is fixed.
Slide in the same direction as 18. The right-angled lever 11 engaged with the base end of the linear lever 13 has a fixed shaft 14 as a center,
The shutter mounted on the support piece 9 is rotated to the left side toward the shutter 10 and the support piece 9 engaged with the other end portion of the right-angled lever 11 moves in the same direction, that is, the left side direction, and is fitted to the support piece 9. 10 moves to the left as well. Therefore, the shutter 10 closes the cold air passage hole 6, and a small amount of inflow of cold air is made in the cold air passage hole 6 provided in the shutter 10, so that the freezing / refrigerating room is converted into a refrigerating room. is there.

Further, when the freezing / refrigerating room is converted into a freezing room, if the knob 20 of the temperature controller 19 is adjusted to freezing, the knob 20
The cam groove 21 provided in the
The linear lever 13 engaged with the contacting pin 18 sliding on the contacting pin 18 is moved in a direction away from the cold air intake port 4 contrary to the above-mentioned operation, and one end thereof Since the right-angled lever 11 engaged with the rotary shaft rotates on the fixed shaft 14, the shutter 10 engaged with the right-angled lever 11 via the support piece 9 moves in the right direction when viewed from the outer wall side. Sliding, the cold air passage hole 6 provided in the lattice portion 7 and the shutter 10
The cold air intake ports 4'provided in the above are combined, a large amount of cold air flows into the freezing / refrigerating room, and the freezing / refrigerating room is converted into a freezing room.

In the embodiment described above, the cold air intake 4, the cold air passage hole 6, the cold air intake port 4 ', and the cold air passage hole 6'provided in the heat insulating layer 5, the lattice portion 7, and the shutter 10, respectively.
However, the case where each of them has a rectangular shape and is provided with a plurality or a singular number has been described.
The configurations of the 4'and the cold air passage holes 6 and 6'and the numerical values to be provided can be changed and used in various modes within the scope of the claims of the present invention.

[Effect of device]

INDUSTRIAL APPLICABILITY As described above, the present invention is capable of freely converting a freezing / refrigerating room into a freezing or refrigerating room, and adjusting the temperature when the user converts the freezing / refrigerating room into a freezing or refrigerating room. Since it can be converted into a freezing or refrigerating room by one operation of rotating the knob of the container to the freezing or refrigerating area, it is extremely simple compared to the conventional method which requires two operations and is easy to use. This solves the conventional problem that the required purpose could not be achieved if one operation was omitted due to the user's mistake.

Further, of the two conventional operations, one operation is omitted, so that the structure for performing the operation becomes simple, which also has the effect of reducing the product cost.

[Brief description of drawings]

FIG. 1 is a partial schematic cross-sectional view showing a freezer / refrigerator room of the present invention, and FIG. 2 shows a temperature controller of the present invention, a linear lever engaged with a shutter, and a right-angled lever. A schematic perspective view and FIG. 3 show a freezing / refrigerating room according to the present invention.
The position of the shutter when converted to a refrigerator or freezer,
3A and 3B are schematic views showing aspects of a cold air intake port and a cold air passage hole, FIG. 3A is a partial schematic diagram showing the above aspect when converted to a refrigerating compartment, and FIG. FIG. 4 is a partial schematic view showing the above-mentioned aspect in the case of being crushed, FIG. 4 is a plan view of a cam groove of the temperature controller of the present invention, and FIG.
It is a partial schematic sectional drawing of a refrigerating combined use room. In the figure, 1 ... Refrigerating / refrigerating room, 2 ... Evaporator, 3 ... Fan, 4,
4 '... cold air intake port, 5 ... heat insulating layer, 6,6' ... cold air passage hole, 7 ... lattice part, 8 ... guide groove, 9 ... supporting piece, 10 ... shutter, 11 ... right angle lever, 12 ... guide groove , 13 ... Linear lever, 14 ... Fixed shaft, 15, 16 ... Guide groove, 18 ... Contact pin, 19
… Temperature controller, 20… Knob, 21… Cam groove, 31… Side plate, 35,3
6 ... Fixed shaft, 37 ... Guide pin, 40 ... Control box.

Continuation of the front page (56) References Open 51-64958 (JP, U) Open 56-45793 (JP, U) Open 56-34277 (JP, U)

Claims (4)

[Scope of utility model registration request] Claims: 1. A cam groove (21) formed in a temperature controller knob (20) is engaged with one end of a linear lever (13) and the other end of the linear lever (13). The right end of the right angle lever (11) is engaged with one end of the right angle lever (11), and the angular portion of the right angle lever (11) is connected to the control box (4).
0) is fixed to the fixed shaft (14) so as to be swingable, and the cam groove (21) of the temperature controller knob (20) is provided at the other end of the right angle lever (11). The shutter (10) sliding on a plane perpendicular to the locus plane of the is engaged through the shutter support piece (9), and the shutter (10) is operated by operating the temperature controller knob (20). A refrigerator that can convert a freezer compartment into a freezer, which can be freely frozen and refrigerated. 2. A linear guide groove (16) is formed in the central portion of the linear lever (13), and the control box (40) is formed in the guide groove (16).
Fixed shafts (35) (36) fixed to each other are engaged with each other, and a contact pin (18) is fixed to the one end of the linear lever (13). (18) engages with the cam groove (21) of the temperature controller knob (20),
At the other end of the linear lever (13), a guide pin (3
7) is fixed, and the guide pin (37) is formed in the guide groove (1) formed at the one end of the right angle lever (11).
A refrigerator capable of being converted into a freezer / refrigerator in a freezer compartment according to claim 1 engaged with 5). 3. The right-angled lever (11) is provided with guide grooves (12) (15) at both ends thereof, and the guide groove (15) is provided on the other side of the linear lever (13). A guide pin (37) fixed to an end is engaged, and a fixed shaft (50) fixed to the shutter support piece (9) is engaged with the guide groove (12). A refrigerator capable of converting the freezer compartment according to 1 into freezing and refrigerating. 4. The shutter (10) is provided with an opening (4 ') cooperating with the cold air intake (4) and a cold air passage hole (6') having an opening area smaller than that. A refrigerator capable of converting the freezer compartment according to claim 1 to be freely frozen or refrigerated.