JP2000018804A - Cold insulation shutter for open showcase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To drastically reduce power consumption after closing a store and save personnel expenses for storing and displaying perishable foods between a showcase and a backyard before and after opening and closing the store, by preventing cold air leakage by using a completely covered, easily opening and closing type cold insulation shutter over the whole surface of an opening part of an open showcase for refrigeration of foods. SOLUTION: The whole surface of an opening part of an open showcase is completely covered by forming a shutter fitted with male- and female-like engagement members 5 respectively on mutually adjoining sides in the longitudinal direction of both edge parts of a continuously arranged, fixed width cold insulation shutter, thereby allowing to be wound in a storage case 1 installed in the upper part. Further, both the engagement members 5 are so constituted as to be engaged and released when passing a detaching jig provided in a passing opening of the storage case 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cold storage shutter for a food refrigerated open showcase.

[0002]

2. Description of the Related Art Conventionally, an open showcase has a structure in which a simple cover is used and a semi-open structure is used for an opening portion, and almost no measures have been taken against power consumption when the store is closed. . Alternatively, in recent years, slat-type shutters have become widespread, but there has been a demand for low-cost equipment and high-performance products. Also, there was no shutter for the outer corner opening having a vertical or inclined angle.

[0003]

Problems to be Solved by the Invention The store is closed by using an insulated shutter that can be completely opened and closed and is economically and easily opened and closed over the entire opening of an open showcase for food refrigeration, thereby preventing cold air leakage. Save resources by drastically reducing power consumption at the time, and after closing the store, store perishable food from the showcase to the backyard, and save labor costs for display from the backyard to the showcase before opening. The purpose of the present invention is to significantly reduce costs and maintain high quality of fresh foods.

[0004]

According to the present invention, in order to achieve the above object, the entire surface of the opening of the open showcase is provided with a non-permeable tarpaulin sheet having a fixed width or a cold insulating sheet cover having a composite structure with a heat insulating material, or It is formed as a shutter using slats, and it is continuously arranged and shielded with honey,
And, it has a structure in which a mechanism capable of winding and pulling out is provided in a storage case installed in the upper part of the opening, and a male shape is provided on one side of each edge of each shutter which is in contact with each other in the vertical direction. Attach a female engagement member to the other,
When this engaging member passes through the attachment / detachment jig provided at the passage opening of the storage case, it meshes when each shutter is pulled out, and at the time of storage, the partition plate provided inside is released as the attachment / detachment jig. In addition, the shutters can be directly connected to each other by a shape or a material in which both or one of the engaging members attached to the shutter can be extended or contracted in the engaging direction. Further, instead of the fixing jig for attachment and detachment provided at the passage opening of the winding machine, the engagement can be performed via a detachable jig which can be slid by a fastener type manually.

[0005] Alternatively, a belt-like engaging portion made of rubber, soft resin, or composite material is provided on both sides between the successively arranged seat covers, and a central portion of itself is provided. The same purpose can be achieved by providing and configuring a seal belt having an expansion / contraction function. In this case, the seal belt itself is configured to be able to be independently wound around the storage case.

Alternatively, instead of the individual tarpaulin or the composite sheet cover, slats of a fixed width such as a synthetic resin extruded product or the like are arranged in parallel and connected in a mat shape to form a sheet or a band. The same purpose can be achieved by forming the engaging members attached to both longitudinal edges.

A similar purpose can be achieved by using a flexible magnet such as rubber or resin, a fastener, or a magic tape instead of the male and female engaging members.

Further, a seat cover or a slat-like seat cover having a triangular or trapezoidal planar shape at the corner opening of the outer corner type open showcase and engaging members attached to the longitudinal edges on both sides thereof. The face body is provided as a shutter, and this is configured as a structure that can be attached and detached through an end engaging member on the side of the linear shutter and a fastener type attaching / detaching jig, or a method such as a flexible magnet or a magic tape. Can respond. Or, in this case, a pillar is integrated with the shutter for the corner portion at the connection portion of the shutter for the straight portion and the shutter for the corner portion,
Alternatively, they can be used independently.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a storage case 1 installed above a refrigerated open showcase embodying the present invention.
FIG. 3 is a view showing a state in which a shutter 2 having a fixed width continuously arranged in a straight line portion is pulled out from the above. As shown in an upper cross-sectional view in FIG. 2, a tarpaulin made of non-permeable rubber or resin is processed on a cloth surface. Or a sheet cover 2A having a fixed width with a heat insulating material 4 and a composite structure, and a male engaging member 5a is provided on one side adjacent to both edges in the vertical direction, and a female member is provided on the other side. The joint member 5b is provided by soft resin extrusion molding or the like, and is attached by fusion or sewing to form an integral shutter 2A made of the seat cover 2A. Engagement member 5
b is engaged by being pressed into the concave portion B, and is detached and detached, and each of the engaging members 5a and 5b, or at least one of the elastic members C has a shape,
Using a soft material, it can be freely expanded and contracted in the direction of engagement, and
A joint guide 1D as a fixed type attachment / detachment jig is formed in the joint portion 1B of the storage case 1, and a partition plate 6 also serving as a release jig is provided inside. The engaging member 5a or 5b attached to the seat cover 3 forming the shutter 2A is pulled out from the storage case 1 containing the take-up shaft 7 and the return spring 8 while passing through the guide jig D. When the engaging members 5b or 5a are pulled out and passed, the adjacent engaging members are press-fitted by the guide of the inner diameter of the guide jig D, automatically mesh and engage with each other, and then when rewinding and storing. The engaging member 5a of the shutter 2A, which has automatically slid upward by the winding mechanism using the return spring 8 built in the storage case 1 and passed through the engaging guide jig D, becomes a partition plate 6. Thus wound pulled away from the other engagement member 5b, also the shutter adjacent are configured to be wound sequentially receiving case 1 inside winding shaft 7. In this case, the engagement between the convex portion A of the engaging member 5a and the concave portion B of the engagement member 5b is set by providing a gap in which each can freely slide. It is to be noted that the release partition 6 may be integrated into the fixed engagement guide jig D at the mouth of the storage case. As shown in FIG. 10, the engaging members 5a and 5b are engaged and released by sequentially pulling out the shutter 2A from the inside of the storage case 1 and lowering the engaging member 5a and the adjacent engaging member. After setting the 5b and the slide type attachment / detachment jig 14, the jig 14 can be engaged by manually pulling up the jig 14. Release can be easily performed by pulling down the jig 14 in the opposite direction.

FIG. 5 shows the engagement member 5 of the shutter 2A.
The figure shows that male and female engaging members 5c and 5d of a continuous insertion type are attached and provided in place of a and 5b, and the notch 6a of the partition plate 6 facilitates engagement and release. You can also In this case, only the female engaging member 5d is attached to the one side edge of the shutter 2A by the elastic portion C.
It is also possible to seal by directly fitting the edges of adjacent shutters.

FIG. 6 shows slats made of extruded synthetic resin or the like, which are arranged side by side and connected to each other so as to bendable, to form a slat-like planar slat 3B, and to engage both ends in the vertical edges. A similar purpose can be achieved by providing a shutter 2B in which the members 5a, 5b, or 5c, 5d are integrally attached by mechanical means such as insertion or by joining. In the same manner as described above, only the female continuous insertion-type engaging member 5d with the elastic portion C is attached to one side edge of the planar slat 3B so as to be extendable and contractable, and directly adjacent to the planar slat 3B.
Can be sealed by fitting the edges of the seal.

FIG. 7 shows a resin or rubber, or a single or composite structure of tarpaulin, between the shutters 2A or 2B arranged at the linear opening of the showcase, and both end edges thereof. Engaging members 5a, 5b,
Alternatively, 5c and 5d are integrally attached to form a flexible belt provided with an elastic portion C at the center as a seal belt 9, which is pulled out from the storage case 1C provided above the opening to be adjacent thereto. Engagement members 5b and 5a, or
5d and 5c, an engaging guide D and an internal partition plate 6 are provided in a double manner so as to be capable of engaging and releasing.
Further, a structure in which the expansion and contraction portion C is provided on the other side or both sides may be adopted. Although not shown, the seal belt 9 can be provided for the above purpose by arranging short slats in parallel and connecting the short slats to form a bendable belt-shaped slat.

FIG. 8 and FIG. 9 show shutters 2C and 2D for the clearances of the corner openings with inclined portions generated by the shutter 2 for the straight section installed in the straight section of the outer corner type showcase. As shown, a shutter 2C having a triangular or trapezoidal flat shape conforming to the planar shape of the opening of the corner, and a steel plate 12 as an engaging member in the longitudinal direction at both end edges of the 2D, a shutter for the counterpart linear portion A flexible magnet 11 is attached to the two sides, or
Attach a fastener or the like to both sides, lean it against the corner opening, bend both ends to the straight part side, join or engage with the edge of the shutter 2 installed in the straight part, and remove it 1 shows the detachable shutters 2C and 2D provided in FIG. In the case of a vertical opening, the plane shape of the shutter is rectangular.

In this case, the column 13 is separately provided at the connecting portion between the corner portion shutter and the straight portion shutter, or provided integrally with the corner portion shutter, and the corner portion shutter is provided detachably. You can do it.

The both sides of the showcase are provided with mating engaging members on the side wall of the case so as to be detachable from the engaging members on the shutter side, so that the cool shutter of the present invention can be installed in an existing showcase. I have.

[0016]

According to the present invention, the display opening of a food refrigerated open showcase is completely shielded by using a cold-storage shutter that can be easily opened and closed as described above to prevent the leakage of cool air. It has the effect that it has. Save resources by drastically reducing power consumption when closing stores at night. Every day after the store is closed, creatures are stored in the backyard from the showcase, and before opening every morning, they are removed from the backyard and displayed on the showcase, saving labor and saving labor costs. Many merits can be expected, such as enabling high-quality preservation of each perishable food product by reliably maintaining freshness.

[Brief description of the drawings]

FIG. 1 is a partial perspective front view showing a state in which a shutter is pulled out of a storage case installed at an upper part.

FIG. 2 is a front sectional view showing a state of a shutter housed inside the housing case.

FIG. 3 is a side sectional view showing a state of being stored in the storage case.

FIG. 4A is an enlarged front cross-sectional view showing an engagement state of a shutter using male and female engagement members at both ends. B is an exploded plan sectional view of the same.

FIG. 5A is a partial plan sectional view showing an engagement state of a continuous insertion type engagement member. B is an enlarged front view showing the engagement state when the shutter is pulled out.

FIG. 6A is a part of a perspective front view of a continuously arranged planar slat. B is a plan sectional view of a shutter structure in which a continuous insertion type engaging member is attached to both ends of the upper surface slat.

FIG. 7A is a front enlarged view showing a state in which the seal belt having the engaging members attached to the longitudinal edges on both sides is expanded by a center portion expanding and contracting function. B is a plan sectional view of the same.

FIG. 8A is a part of an overall view in which a shutter for a right-angle corner is attached. B is the corner shutter A-
A 'arrow view.

FIG. 9A is a partial front view showing a state where a shutter for a polygonal corner portion is attached. B is a BB ′ arrow view of a structure in which a support column with an engaging member is integrally attached to both ends of the corner shutter.

FIG. 10 is a plan sectional view of a detachable jig for sliding engagement.

[Description of sign]

DESCRIPTION OF SYMBOLS 1; Storage case 1A; The case main body 1B; The case socket with the fixed attachment / detachment jig 1C; Seal belt storage case 2: Straight part shutter 2A; The same sheet cover shutter 2B; The same surface slat shutter 2C; The right-angle corner shutter 2D Shutter for polygonal corner 3A; tarpaulin sheet 3B; slats 4; heat insulating material 5; engagement member 5a; male engagement member 5b; female engagement member 5c; continuous insertion type male engagement member 5d; Coupling member 6; Partition plate 6a also serving as a release jig; Continuous insertion type notch portion for passing male engaging member 7; Winding shaft 8; Return spring 9; Seal belt 10; Open showcase body 11; Flexible magnet 12; Steel plate 13; Strut 14; Sliding attachment / detachment jig A; Convex part B; Concave part
C: expansion / contraction part D: engagement guide opening of attachment / detachment jig
E: handle F: adapter G: auxiliary core

Claims (5)

[Claims] 1. A plurality of tarpaulin sheets divided into a certain width, or a heat insulating film (hereinafter referred to as a seat cover) having a composite structure having a linear structure having a linear length. And one of the adjacent cross-sectional shapes is attached to a male and the other is a female-like flexible engaging member, and is attached to each longitudinal edge of each of the seat covers. At least one of the male and female flexible engagement members is provided so as to be able to expand and contract in the engagement direction, and the male and female flexible engagement members can be engaged and released through a fixing or slidable attachment / detachment jig. Forming a shutter, and
Each shutter slides up and down independently, and
Cooling shutters for open-showcases with full-opening openings that can be taken up and pulled out by a take-up mechanism provided in a storage case installed above the opening. 2. A slat made of a synthetic resin or the like is connected in parallel to form a blind-shaped bendable planar slat having a fixed width, and both edges of each planar slat are flexible in a vertical direction. A shutter that allows the engagement and release of each other by attaching a sex engagement member is formed, this is continuously arranged on the linear part of the showcase, and each planar slat slides vertically independently. The cold storage shutter for an open showcase according to claim 1, wherein the shutter is configured to be rollable. 3. A rubber which is vertically slidable and windable between the shutters having an engaging member in the edge portion longitudinal direction and having a fixed width arranged in the length direction of the linear portion.
Alternatively, a flexible seal belt made of a soft resin or the like is interposed, and the flexible seal belt itself has a function of expanding and contracting in the width direction. 3. The cold storage shutter for an open showcase according to claim 1, wherein said shutter edge to be attached and phosphorically engaged with said shutter edge is configured to be engageable and releasable via a detachable jig. 4. The refrigerator according to claim 1, wherein said cooling shutter and said sealing belt are formed by engaging or locking members such as a flexible magnet or a fastener or a magic tape in a longitudinal direction on both edges of said seal belt. Claim 1 and Claim 2 and Claim 3
The cool shutter for open showcases described. 5. The cold storage shutter is installed in a straight opening of an outer corner type open showcase so as to be slidable up and down and can be wound up, and is provided at a vertical or inclined opening of each corner of the open showcase. The linear portion shutter edge portion provided with the cold insulation sheet cover or the planar slat according to the planar shape of the corner opening portion, and attached with the flexible engagement member in the vertical direction at both edge portions thereof to be in phosphor contact. The cold storage shutter for an open showcase according to claim 1, wherein the shutter is provided in a structure that can be detached from the shutter, and is configured to be detachable.