Door for a refrigerator and refrigerator

Abstract

Door for a refrigerating appliance, characterized in that it comprises: a door main body (1) for closing an opening (51) of a refrigerating chamber; a movable bolt (2) movably mounted on the door body (1), an outer end of the movable bolt (2) being capable of being pushed outwardly or pushed inwardly following the direction of movement of the movable bolt (2), a first guide surface (211) being mounted on the movable bolt (2); a handle (3) rotatable on the door main body (1), a driving part (33) being provided on the handle (3), the driving part (33) and the first guide surface (211) cooperating, and when the driving part (33) rotates together with the handle (3), the driving part (33) can move along the first guide surface (211) and drives the movable bolt (2) to move inward; a first return piece (4) which is separately connected to the door main body (1) and the movable bolt (2) and drives the movable bolt (2) to move outward, wherein a first guide groove (21) is provided on the movable bolt (2), wherein the side wall of the first guide groove (21) forms the first guide surface (211) which runs along the pushing direction of the movable bolt (2), wherein the first guide surface (211) is inclined from the upper end of the guide groove (21) to the lower end, and wherein the movable bolt (2) comprises an outer connecting part (22), a bending part (23) and an inner connecting part (24) which are arranged in sequence, the outer connecting part (22) and the inner connecting part (24) being parallel and not coaxial, the first guide groove (21) being provided in the inner connecting part (24), the first return piece (4) being a spring, the spring being connected to each of the bending part (23) and the door main body (1), a first limiting part (11) being provided on the door main body (1) and being used to limit the outermost position to which the bending part (23) moves outwards.

Description

This invention relates to the technical field of cooling appliances, in particular a door for a cooling appliance and a cooling appliance.Some refrigerators, for example refrigerators in vehicles, comprise a main body and a door. A cooling member and an inner liner are attached to the main body; the cooling member is used to receive heat of the inner liner, and the inner liner generally has an opening and forms a cooling space. The door generally includes movable pins which can be slid in and out; the main body generally includes opposing support portions in the opening, and receiving openings are provided on opposing sides of the support portions. The door is located between the support parts and is connected in a form-fitting manner to the receiving openings by interaction of the movable bolts. When the movable bolts are pushed out and inserted into the receiving openings, the door is pivotally connected to the supporting parts. When the movable pins are inserted and disengaged from the receiving openings, the door is separated from the supporting parts.The above-described structure facilitates the separation and pivotal connection of the door to the support members. However, in the related art, in order to achieve the sliding of the movable pin, a movable push button is generally provided on the door, and the inner end of the push button is connected to the movable pin by a push rod. Since the direction in which the push button is moved is perpendicular to the direction in which the movable pin is pushed and pushed, the movement of the push button and the push and push of the movable pin must be connected by the push rod, thereby making the structure complicated and reducing the reliability; moreover, the space occupied by the push rod is relatively large, which is not advantageous for the structural arrangement. Such a door for a cooling appliance is disclosed, for example, in DE 640 100 A.A first object of the present invention is to provide a door of a refrigeration apparatus which enables a sliding and a sliding of a movable pin, wherein the movable pin and a handle are simple in structure, require little space, and are easy to arrange.To achieve this object, the present invention uses the following technical solution:A door for a refrigeration apparatus, comprising: a door main body for closing an opening of a refrigeration space; a movable pin slidably mounted on the door body, wherein an outer end of the movable pin is slidable with the movable pin and is pushed out or inserted, and having a first guide surface provided on the movable pin; a handle rotatably disposed on the door main body, wherein a driving part is provided on the handle, wherein the driving part cooperates with the first guide surface, wherein when the driving part rotates together with the handle, the driving part is allowed to move along the first guide surface and drives the movable pin inward; a first returning piece connected to each of the door main body and the movable pin and drives the movable pin to move the same outward. A first guide groove is provided on the movable pin, the first guide surface is formed on a side wall of the first guide groove, and the first guide surface is disposed to be inclined along the protruding direction of the movable pin from an upper end of the guide groove toward a lower end. The movable pin includes an outer link part, a bending part, and an inner link part connected in order; the outer link part and the inner link part are parallel and non-coaxial; the first recovery piece is a spring connected to each of the bending part and the door main body; a first restricting part is provided on the door main body, which serves to restrict the outermost position to which the bending part slides outward.Further, a plurality of second restricting parts are provided on the door main body; the plurality of second restricting parts are arranged in order along the moving direction of the movable pin, and restricting grooves are provided in the moving range of the outer link part, the outer link part slides in the restricting grooves.Further, a third restricting part is provided on the door main body; the third restricting part and the bending part are opposedly attached, and projecting restricting pins are provided on opposite surfaces, two ends of the spring being respectively fixed to the restricting pins.Further, the handle includes a retaining member and handle shafts attached to and protruding from two sides of the retaining member; the driving member is connected to the outer end of the handle shaft, and a fourth limiting member is provided on and protruding from the door main body, and a rotating groove for receiving the handle shaft is provided at the fourth limiting member.Further, the door main body includes a closing plate and an outer plate fixed to each other; wherein, when the closing plate and the outer plate are fixed to each other, they form a structure receiving portion on the side part; the structure receiving portion receives the movable bolt, the handle, and the first restoring piece; the first restricting part, the second restricting part, the third restricting part, and / or the fourth restricting part is fixed to the closing plate and / or the outer plate.A second object of the present invention is to provide a refrigeration apparatus whose door is designed to allow a movable pin to be pushed out and pushed in, the movable pin and a handle being simple in structure, taking up little space, and being easy to arrange.To achieve this object, the present invention uses the following technical solution:A refrigeration apparatus comprising: a main body, wherein a refrigeration room is provided inside the main body, the refrigeration room having an opening facing outward, support parts are formed on both sides of the opening of the main body protruding from the main body, inner sides of the support parts being opposed to each other, and corresponding receiving openings are provided on the inner sides of the support parts, each pair of corresponding receiving openings being a set of receiving openings; and the above-described door, wherein the door is disposed between the opposed support parts, wherein the movable bolt is attached to the door main body at each of the positions opposed to the receiving openings, and wherein the two movable bolts corresponding to the set of receiving openings both cooperate with the handle; When the outer ends of the movable pins are displaced outward and inserted into the receiving holes, the door main body is pivotally connected to the support parts; when the handle rotates such that the movable pins displace inward and disengage from the receiving hole, the door main body and the support part separate from each other.Furthermore, two sets of receiving openings are provided on the support part; the two sets of receiving openings are respectively located on both sides of the support part and on the outside of the opening.Further, a hinge protruding part is provided on the inside of the support part; a receiving hole is provided on the hinge part, and a second guide groove is provided on the outside of the receiving hole; a lower side of the second guide groove is arranged to be inclined from an upper end of the receiving hole toward a lower end along the direction of extension of the movable pin; a fifth limiting protruding part is provided on the inside of the support part, and a sixth limiting protruding part is provided on the door main body, from the end surface of which the movable pin extends; the fifth limiting part and the sixth limiting part cooperate to limit the rotation angle of the door main body.According to the present invention, there is provided a door for a cooling apparatus and a cooling apparatus. The door includes a door main body, a movable bolt, a handle, and a first recovery piece. The door main body is used to close the opening of the cooling room. The movable pin is slidably mounted on the door body, the outer end of the movable pin is slidable with the movable pin and is pushed out or inserted, and a first guide surface is mounted on the movable pin. The handle is rotatable on the door main body, a driving part is attached to the handle, the driving part cooperates with the first guide surface, and when the driving part rotates together with the handle, the driving part may move along the first guide surface and drive the movable bolt to move inward. The first recovery piece is separately connected to the door main body and the movable pin, and drives the movable pin to move outward. In the door of the present invention, the first guide surface is directly mounted on the movable pin, and, by utilizing the cooperation of the driving part of the handle and the first guide surface, the movable pin can be driven by rotating the handle without the need for providing other structures such as a push rod structure; the whole structure is simple, the susceptibility to trouble is low, the reliability is high, little space is taken up, and the arrangement is facilitated. When the handle is released, the first return piece maintains the extended state of the movable pin, facilitating the cooperation of the other components, and locks the door.Embodiments of the invention will be described below with reference to the accompanying drawings, wherein: FIG. 1 is a schematic diagram showing the structure of a cooling apparatus according to the present invention when the door is closed; FIG. 2 is a schematic diagram showing the structure of a cooling apparatus according to the present invention when the door is opened; FIG. 3 is an exploded view of a refrigeration apparatus according to the present invention with the telescopic shaft advanced; FIG. 4 is an enlarged fragmentary view of the area A shown in FIG. 3; FIG. 5 is an exploded view of a refrigeration apparatus according to the present invention with the movable pin retracted; FIG. 6 is an enlarged fragmentary view of the region B shown in FIG. 5 ; FIG. 7 is a schematic diagram showing the structure of a cooling apparatus according to the present invention after the side edge of the door is cut away; FIG. 8 is an enlarged fragmentary view of the region C shown in FIG. 7; FIG. 9 is a schematic illustration of a structure of a cooling apparatus according to the present invention after the adjacent side edge is cut away from inside; FIG. 10 is an enlarged fragmentary view of the region D shown in FIG. 9; FIG. 11 is a schematic diagram showing a structure of the inside of the outer panel according to the present invention; FIG. 12 is an exploded view of a refrigeration apparatus according to the present invention with the door opened and the support member partially cut away; and FIG. 13 is an enlarged fragmentary view of the region E shown in FIG. 12.In order to clarify the technical problems solved by the present invention, the realized technical solution, and the technical effects achieved, the technical solution of the present invention will be described below by way of specific embodiments with reference to the accompanying drawings.As shown in Figs. 1-13, this embodiment provides a cooling apparatus and a door used in a cooling apparatus. The cooling device may be a refrigerator or the like. The refrigeration apparatus comprises a main body 5 and a door. A cooling space is provided inside the main body 5; the cooling space may be formed by an inner cavity of an inner liner, and the cooling space has an opening 51 facing outward. The object to be cooled is introduced into the cooling space through the opening 51. The door is used to close the opening 51 of the cooling room to ensure that the cooling room is isolated from an external environment to achieve a better cooling effect.Specifically, the door includes a door main body 1, a movable bolt 2, a handle 3, and a first recovery piece 4. the door main body 1 is an essential component of the door, and is used to close the opening 51 of the cooling room and to form the main body of the entire door. The movable pin 2 is movably attached to the door main body 1 and is generally located inside the door main body 1. an outer end of the movable pin 2 may move with the movable pin 2 and be pushed out or pushed in; and when the outer end of the telescopic shaft 2 is pushed out, the door and the main body 5 of the cooling apparatus may cooperate via a hinge. When the outer end of the movable pin 2 is extended, the door may connect to and be pivotally connected to the main body 5. When the outer end of the movable pin 2 is inserted, it may separate from the main body 5. A first guide surface 211 is provided on the movable pin 2; extension and insertion are achieved by using the guide surface 211. The handle 3 is rotatably mounted on the door body 1, and a driving part 33 is provided on the handle 3 to cooperate with the first guide surface 211; when the driving part 33 rotates with the handle 3, the driving part 33 can move along the first guide surface 211 and drive the movable bolt 2 to move inward. The first return piece 4 is separately connected to the door body 1 and the movable pin 2, and drives the movable pin 2 to move outward.Specifically, the first recovery piece 4 according to this embodiment is a compression spring, and the outer end of the movable bolt 2 is the male connection part 221. As shown in FIGS. 3 and 4, at the time when the handle 3 (including the retaining part 31, the handle shaft 32, and the driving part 33) shown in the figures is released, the movable bolt 2 is pushed outward by the compression spring, and the male connection part 221 is pushed outward and protrudes from the main body 5 at the end of the male connection part 221.As shown in FIGS. 5 and 6, when the handle 3 is rotated, the handle 3 pushes down the driving part 33; during the pushing down, the driving part 33 moves along the first guide surface 211, and drives the movable bolt 2 to move inward using the first guide surface 211, thereby retracting the male connection part 221.In the door of the present invention, the first guide surface 211 is directly disposed on the movable pin, and by utilizing the cooperation of the driving part 33 of the handle 3 and the first guide surface 211, the movable pin 2 can be directly driven to move by rotating the handle 3 without the need for providing other structures such as a push rod structure. The entire structure is simple, the susceptibility to trouble is low, the reliability is high, only a small space is required, and the arrangement is facilitated. When the handle 3 is released, the first return piece 4 maintains the extended state of the movable pin 2, facilitating the cooperation of the other components and locking the door. The rotatable handle 3 occupies less space compared to powered handles, which facilitates the arrangement.More specifically, a first guide groove 21 is provided on the movable pin 2, the side wall of the first guide groove 21 forming the first guide surface 211 extending along the advancing direction of the movable pin 2, the first guide surface 211 being inclined from the upper end of the guide groove 21 toward the lower end to make, when the driving part 33 of the handle 3 is driven toward the inside of the first guide groove 21, the movable pin 2 be driven to retract inwardly. The driving part 33 generally moves in the inner space of the first guide groove 21 and is not allowed to protrude from the first guide groove 21 to further reduce the occupied space of the entire structure. In the region where the driving part 33 abuts on the guide surface 211, an abutting surface 331 is provided, and the inclination direction of the abutting surface 331 is identical to the inclination direction of the guide surface 211. The abutting surface 331 serves to increase the contact area between the driving part 33 and the first guide surface 211, and facilitates the driving part 33 to drive the first guide surface 211 to slide.The movable bolt 2 includes an outer connection part 22, a bending part 23, and an inner connection part 24 connected in order; the male connection part 221 is located at the outer end of the outer connection part 22; the outer connection part 22 and the inner connection part 24 are parallel and non-coaxial; the first guide groove 21 is attached to the inner connection part 24. The driving part 33 of the handle 3 can cooperate with the outer connecting part 24 of the movable pin 2 and drive the inner connecting part 24 to move; the parallel-attached inner connecting part 24 and the outer connecting part 22 can ensure a uniform direction of movement, which facilitates the movement of the movable pin 2 and good force absorption. The first recovery piece 4 according to this embodiment is a spring, the spring being connected to each of the bending part 23 and the door main body 1, and driving the entire movable bolt 2 to be advanced outward by the bending part 23. On the door main body 1, there is disposed the first restricting part 11 used to restrict the outermost position of the outward movement of the bending part 23. The bending part 23 is substantially used to cooperate with the spring and with the first limiting part 11 and is used to maintain a limitation of the extreme position of the outwardly advancing movable bolt 2. The bending part 23 according to this embodiment is perpendicular to the outer connecting part 22 and the inner connecting part 24, respectively, to make the spring force also parallel to the sliding direction of the movable bolt 2, which facilitates the sliding of the movable bolt 2. The spring according to this embodiment is a compression spring, but a tension spring may be used in this embodiment, and if a tension spring is used, the connection position must be opposite as compared to the compression spring in order to pull the bending part 23 outward.A plurality of second restricting parts 12 are attached to the door main body 1 according to this embodiment; the plurality of second restricting parts 12 are arranged in order along the moving direction of the movable pin 2, and a restricting groove 121 is provided in the sliding portion of the outer link part 22, the outer link part 22 moving in each restricting groove 121. The limiting groove 121 of the plurality of limiting parts 12 together constitutes an overall limiting structure that limits the sliding direction of the movable bolt 2. In addition, a plurality of second restricting parts 12 also serve as a supporting structure of the door main body 1, thereby increasing the strength of the support inside the door body 1.As shown in FIG. 8, a third restricting part 13 may be attached to the door body 1; the third restricting part 13 and the bending part 23 are opposedly attached, and a restricting pin 131 is protrudingly provided on the opposed surface. The both ends of the spring are respectively fixed to the limiting pins 131 to prevent the spring from falling down. The limiting pins 131 may be usually mounted in parallel or even coaxially with the outer connection part 22; thus, uniform force absorption of the outer connection part 22 can be maintained.In order to facilitate the movement of the handle 3, the handle 3 comprises a retaining part 31 and a protruding two-sided handle shaft 32 attached to the retaining part 31; the drive part 33 is connected to the outer end of the handle shaft 32, and a fourth limiting part 14 protruding from the door body 1 is provided, wherein a rotation groove 141 serving to receive the handle shaft 32 is provided on the fourth limiting part 14. When the retaining member 31 is moved, the handle 3 is rotatable about the handle axis 32, whereby the structure is simple. One end of the retainer 31 is for retention; a second return piece 34 is also attached to the other end. According to this embodiment, the second return piece 34 is a spring. The spring can maintain a pressure on the retaining member 31 to normally have the driving member 33 in the raised state to prevent an influence on the movable pin 2. When the handle 3 needs to be rotated, the driving part 33 is made to be under pressure by rotating the retaining part 31.According to this embodiment, the door main body 1 includes a closing plate 15 and an outer plate 16 fixed to each other; the closing plate 15 is used to close the opening 51. The closing plate 15 and the outer plate 16 form a body receiving portion 17 on the side part after being fastened to each other; the body receiving portion 17 receives the movable bolts 2, the handle 3, and the first restoring piece 4. The first limiting part 11, the second limiting part 12, the third limiting part 13 and / or the fourth limiting part 14 can be attached to the closing plate 15 and / or the outer plate 16, or the entire part is attached to the outer plate, or it is attached to both the closing plate 15 and the outer plate 16, whereby the arrangement is very flexible. In addition, in order to more support the closure plate 15 and the outer plate 16, the first restricting member 11, the second restricting member 12, the third restricting member 13, and the fourth restricting member 14 may be attached to form a support gusset to both restrict the position of respective members and increase the strength of support between the closure plate 15 and the outer plate 16 and increase the strength of the structure of the door main body 1.The main body 5 of the cooling apparatus provided according to this embodiment forms support portions 52 protruding to both sides of the opening 51, the inner sides of the support portions 52 are opposed to each other, and corresponding receiving openings 53 are provided on the inner side of the support portions 52, and each of two corresponding receiving openings 53 is a set of receiving openings 53. The above-described door is located between the opposed support members 52; the door main body 1 is mounted with the movable pins 2 at each position opposed to the receiving holes 53, and each of the two movable pins 2 corresponding to the set of receiving holes 53 cooperates with the handle 3. When the outer ends of the movable bolts 2 are advanced outward into the receiving holes 53, the door body 1 is pivotally connected to the support members 52. When the handle 3 rotates and causes the movable pin 2 to retract inward and separate from the receiving holes 53, the door body 1 and the support member 52 separate from each other.By using the above-described door for the cooling apparatus, a pivotal connection and separation between the door body 1 and the support parts 52 can be easily implemented, which facilitates closing and opening of the opening 51. The door body 1 uses the two movable bolts 2 corresponding to each set of receiving holes 53 and pivotally connects the side where the receiving holes 53 are located and the support parts 52, whereby the door main body 1 can rotate about the two movable bolts 2. The two movable pins 2 corresponding to each set of receiving holes 53 cooperate with the handle 3, so that directly by rotating the handle 3, the two movable pins 2 can be advanced, facilitating the operation.According to this embodiment, two sets of receiving holes 53 are provided on the support member 52, the two sets of receiving holes 53 being located on both sides of the support member 52 and on the outside of the opening 51, respectively. By attaching two sets of receiving openings 53 and by attaching the movable bolts 2 and the handle 3 to two sides of the door main body 1, respectively, pivotal connection and disconnection can be realized on both sides of the door main body 1. As shown in FIGS. 1 and 2, when only the door needs to be opened, by rotating any handle 3, one side of the door main body 1 can be made to separate from the support part 52 and the other side continues to maintain a pivotal connection, and the door can be rotated and the opening 51 opened. In this way, the door can be opened from two sides each, which makes the operation convenient and prevents the door from being impossible to open when the door opening direction is blocked on one side. If the whole door needs to be detached from the refrigerator, both handles 3 can be rotated simultaneously, whereby both sides of the door main body 1 are separated from the supporting part 52 and the whole door main body 1 can be removed.In order to facilitate the advancement of the door moving bolts 2 into the receiving holes 53, a hinge protruding part 521 is provided on the inside of the supporting part 52; a receiving hole 53 is provided on the hinge part 521; and a second guide groove 522 is provided on the outside of the receiving hole 53 that extends along the advancing direction of the moving bolts 2. The lower surface of the second guide groove 522 is inclined from the upper end of the receiving hole 53 toward the lower end. When the door is pushed in toward the opening 51, the male connection part 221 of the outer end of the movable bolt 2 slides along the first guide groove 522 and gradually enters the receiving opening 53.A projecting fifth limiting part 523 is provided on the inside of the supporting part 52, and a projecting sixth limiting part 18 is provided on the door main body 1 at the outward-advanced end of the movable bolt 2; the fifth limiting part 523 and the sixth limiting part 18 together limit the rotation angle of the door main body 1 to prevent the opening angle of the door main body 1 from becoming too large.A groove is formed at the front side of the door main body 1 at the position of the hinge part 521 and the fifth limiting part 523; when the door body 1 rotates, the hinge part 521 and the fifth limiting part 523 can move in the groove. By providing the groove, the distance between the whole door main body 1 and the supporting part 52 can be made small and the whole structure is aesthetically pleasing.The foregoing is only a good example of one embodiment of this invention. Those skilled in the art will be able to make changes in the specific implementation and application based on the spirit of this invention, and the contents of this description should not be taken as limiting this invention.LIST OF REFERENCE CHARACTERS1 Door main body 11 First restricting part 12 Second restricting part 121 Restricting groove 13 Third restricting part 131 Restricting pin 14 Fourth restricting part 141 Rotating groove 15 Closing plate 16 Outer plate 17 Structure receiving portion 18 Sixth restricting part 2 Movable bolt 21 First guide groove 211 First guide surface 22 Outer connecting part 221 Plug-in connecting part 23 Bending part 24 Inner connecting part 3 Handle 31 Retaining part 32 Handle shaft 33 Driving part 331 Abutting surface 34 Second restoring piece 4 First restoring piece 5 Main body 51 Opening 52 Supporting part 521 Hinge part 522 Second guide groove 523 Fifth restricting part 53 Receiving opening.

Claims

A door for a cooling apparatus, characterized by comprising: a door main body (1) for closing an opening (51) of a cooling room; a movable pin (2) movably attached to the door body (1), wherein an outer end of the movable pin (2) can be pushed out or pushed in following the moving direction of the movable pin (2), wherein a first guide surface (211) is attached to the movable pin (2); a handle (3) rotatable on the door main body (1), wherein a driving part (33) is provided on the handle (3), wherein the driving part (33) and the first guide surface (211) cooperate with each other, and when the driving part (33) rotates together with the handle (3), the driving part (33) can move along the first guide surface (211) and drives the movable pin (2) to move inward; a first recovery piece (4) separately connected to the door main body (1) and the movable pin (2) and driving the movable pin (2) to move outward, wherein a first guide groove (21) is attached to the movable pin (2), the side wall of the first guide groove (21) forms the first guide surface (211) extending along the pushing direction of the movable pin (2), the first guide surface (211) is inclined from the upper end of the guide groove (21) toward the lower end, and wherein the movable pin (2) comprises an outer link part (22), a bending part (23), and an inner link part (24), respectively, which are arranged in order, the outer link part (22) and the inner link part (24) are parallel and non-coaxial, the first guide groove (21) being attached in the inner link part (24), wherein the first recovery piece (4) is a spring, the spring being connected to each of the bending part (23) and the door main body (1), and a first restricting part (11) used for restricting the outermost position to which the bending part (23) moves outward is attached to the door main body (1).The door according to claim 1, characterized in that a plurality of second restricting parts (12) are attached to the door main body (1), the plurality of second restricting parts (12) are arranged in order along the moving direction of the movable pin (2), and restricting grooves (121) are provided in the moving range of the outer link part (22), the outer link part (22) moving in the restricting grooves (121).Door according to claim 2, characterized in that a third limiting part (13) is attached to the door main body (1), wherein the third limiting part (13) and the bending part (23) are attached opposite each other, and wherein protruding limiting pins (131) are provided on the opposite surfaces, wherein the two ends of the spring are respectively attached to the limiting pins (131).Door according to claim 3, characterized in that the handle (3) comprises a retaining part (31) and a protruding two-sided handle shaft (32) attached to the retaining part (31), wherein the drive part (33) is connected to the outer end of the handle shaft (32), wherein a fourth limiting part (14) protruding from the door main body (1) is present, wherein a rotation groove (141) serving to receive the handle shaft (32) is present on the fourth limiting part (14).The door according to claim 4, characterized in that the door main body (1) comprises a closing plate (15) and an outer plate (16) which are fastened together, wherein the closing plate (15) and the outer plate (16) form a structure receiving portion (17) on the side part after the fastening, wherein the structure receiving portion (17) receives the movable bolt (2), the handle (3) and the first restoring piece (4), wherein the first limiting part (11), the second limiting part (12), the third limiting part (13) and / or the fourth limiting part (14) are fastened to the closing plate (15) and / or the outer plate (16).A refrigeration apparatus characterized by comprising: a main body (5), wherein a refrigeration space is provided inside, the refrigeration space having an opening (51) facing outward, support parts (52) protruding on both sides of the opening (51) of the main body (5) being formed, the inner sides of the support parts (52) being opposed to each other, respective receiving openings (53) being provided on the inner sides of the support parts (52), each pair of respective receiving openings (53) being a set of receiving openings (53); and a door according to any one of claims 1 to 5, wherein the door is located between the opposed support members (52), the door main body (1) is attached to each of the positions opposed to the receiving holes (53) with the movable pin (2) being attached to each of the two movable pins (2) corresponding to the set of receiving holes (53), the handle (3) cooperating; wherein when the outer end of the movable pin (2) is pushed out and inserted into the receiving hole (53), a pivotal connection is made between the door main body (1) and the support member (52); wherein when a rotation of the handle (3) causes the movable pin (2) to retract inward and to disengage from the receiving hole (53), the door main body (1) and the support member (52) separate from each other.The refrigeration appliance according to claim 6, characterized in that two sets of receiving holes (53) are provided on the support part (52), the two sets of receiving holes (53) being respectively located on both sides of the support part (52) and on the outside of the opening (51).The refrigeration apparatus according to claim 6, characterized in that a protruded hinge part (521) is provided on the inside of the support part (52), a receiving hole (53) is provided on the hinge part (521), and a second guide groove (522) is provided on the outside of the receiving hole (53), which is along the advancing direction of the movable pin (2), the bottom of the second guide groove (522) is inclined from the upper end of the receiving hole (53) toward the lower end; a protruded fifth restricting part (523) is provided on the inside of the support part (52), a protruded sixth restricting part (18) is provided on the door main body (1) on the outwardly extended end of the movable pin (2), the fifth restricting part (523) and the sixth restricting part (18) together restricting the rotation angle of the door main body (1).

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