CN221073861U - Safety lock mechanism and refrigerator or drawer cabinet - Google Patents

Abstract

The utility model discloses a safety lock mechanism and a refrigerator or drawer cabinet, which comprises a main base body arranged on the refrigerator body or the drawer cabinet body, an auxiliary base body arranged on the refrigerator door body or the drawer, a rotary hook part rotationally connected with the main base body, a sliding hook part slidingly arranged on the main base body, and a movable hook part arranged in the rotary hook part, wherein a torsion spring is arranged on the rotary hook part. Compared with the prior art, the auxiliary seat has the advantages that through the structural arrangement of the sliding hook piece, the rotating hook piece and the movable hook piece, the auxiliary seat only needs to ensure that the sliding hook piece can be separated from the rotating hook piece when being installed, the installation requirement on the main seat body and the auxiliary seat body is lower, and the installation difficulty is reduced; when the door body or the drawer is closed, the auxiliary seat body can automatically act on the sliding hook piece to separate the sliding hook piece from the rotating hook piece, and the rotating hook piece automatically resets under the action of the torsion spring, so that the operation steps in the closing operation are reduced, and the locking operation is simple and quick.

Description

Safety lock mechanism and refrigerator or drawer cabinet

Technical Field

The utility model relates to the technical field of safety locks, in particular to a safety lock mechanism and a refrigerator or drawer cabinet.

Background

The safety lock is a lock body mechanism which is additionally arranged on a refrigerator or a drawer cabinet and other cabinets, is used for preventing children from rotating to open a door or pulling out a drawer at home, improves the safety of the children at home, simultaneously can prevent the children from being placed by opening the messy cabinet due to playing, and reduces the frequency of picking up the articles at home by the children.

Some safety locks such as CN114991603B provide a door lock mechanism and a refrigerator, in which the door hook on the first door lock assembly and the hook lock on the second door lock assembly are arranged, and the door of the refrigerator is limited to open and close by the running fit and limit between the door hook and the hook lock.

However, the matching area of the door lock and the latch hook member is limited, the alignment between the door lock and the latch hook member is required to be accurate during installation, and the matching between the door lock and the latch hook member is ensured, so that the first door lock assembly and the second door lock assembly are usually required to be installed under the state that the door lock and the latch hook member are connected, the situation that the door lock and the latch hook member cannot be locked and matched due to the fact that the installation position is not opposite is avoided, and the installation difficulty of a door lock mechanism is improved.

Meanwhile, when the door lock mechanism is switched from the unlocking state to the locking state, the refrigerator door needs to be closed in advance, and then the locking piece is manually connected with the door lock to limit, so that two steps of operation are needed when the refrigerator is closed, and the locking operation is troublesome.

Disclosure of utility model

The utility model aims at solving the problems that the installation difficulty is increased and the operation is troublesome when the existing door lock mechanism is locked due to the fact that the installation requirement is accurate, and the technical problem to be solved by the utility model is to provide a safety lock mechanism which is low in installation difficulty and can be automatically locked, and a refrigerator or drawer cabinet.

The technical scheme adopted for solving the technical problems is as follows: the safety lock mechanism comprises a main seat body and an auxiliary seat body which are independently arranged and can move relatively;

The main seat body is provided with a sliding hook piece which is installed in a sliding way, and the auxiliary seat body can be movably close to and attached to or far away from the sliding hook piece;

The main seat body is provided with a rotary hook member which is rotatably arranged, the rotary hook member is provided with a torsion spring, the torsion spring can act on the rotary hook member to rotate positively, the sliding hook member can limit the rotary hook member to rotate positively under the acting force of the torsion spring, and the rotary hook member is provided with a blocking;

The movable hook piece is arranged in the rotary hook piece and can be hooked with the sliding hook piece or is hooked with the sliding hook piece;

A first spring is arranged between the main seat body and the sliding hook piece, and the first spring elastically supports the sliding hook piece to be attached to the rotating hook piece or the auxiliary seat body;

Locking locked state: the torsion spring acts on the rotating hook to rotate positively, the movable hook is hooked with the sliding hook, the auxiliary seat body is positioned between the blocking of the rotating hook and the sliding hook, the blocking limits the auxiliary seat body to move away from the sliding hook, and the auxiliary seat body acts on the sliding hook to compress the first spring;

Unlocking the locked state: the movable hook piece is connected with the sliding hook piece in a hooking way, the sliding hook piece is attached to the rotating hook piece under the elastic support of the first spring, the rotating hook piece is limited to rotate positively under the acting force of the torsion spring, the blocking is far away from the auxiliary seat body, and the auxiliary seat body can be movably far away from the sliding hook piece.

The utility model further adopts the following preferable scheme: the two sides of the main seat body are respectively provided with a connecting wall, the rotating hook piece is provided with a connecting block, one end of the connecting block is connected with the blocking block, the connecting block is positioned between the two connecting walls to be connected in a rotating way, and the rotating hook piece is of an L-shaped structure.

The utility model further adopts the following preferable scheme: under the locking state, the two end faces of the rotating hook piece, which face the main seat body, are concavely provided with mounting cavities, the movable hook piece is arranged in the mounting cavities for mounting, and a cover plate is arranged at the cavity opening of the mounting cavities and limits the movable hook piece to be separated from the mounting cavities.

The utility model further adopts the following preferable scheme: the movable hook piece comprises two pressing hook pieces which are arranged in a mirror image mode, a second spring is arranged between the two pressing hook pieces, a pressing part is arranged on the pressing hook pieces, and the pressing parts of the two pressing hook pieces are elastically supported by the second spring to expose two blocking sides of the rotating hook pieces.

The utility model further adopts the following preferable scheme: the pressing hook piece is provided with an outer hook part extending out of the cover plate, the sliding hook piece is provided with a hook groove, the outer hook part of the pressing hook piece is supported by the second spring to be capable of being hooked and limited in the hook groove, and the movable hook piece and the rotating hook piece are limited to be separated from the sliding hook piece.

The utility model further adopts the following preferable scheme: one end of the main seat body is provided with a retaining wall, the retaining wall is connected with one ends of the two connecting walls, and the first spring is arranged at one end of the retaining wall and one end of the sliding hook piece.

The utility model further adopts the following preferable scheme: the main seat body is provided with a base surface for connecting the retaining wall and the two connecting walls, the two connecting walls are respectively provided with an inner hook part, the sliding hook part is provided with a base plate which is attached to the base surface and is positioned between the two inner hook parts, and the two inner hook parts limit the sliding direction of the base plate.

The utility model further adopts the following preferable scheme: the end part of the connecting block is provided with a limited rotation groove, the bottom plate of the sliding hook piece is provided with an inserting part, and in the unlocking locking state, an elastic supporting inserting part of the spring is inserted into the limited rotation groove to limit the rotation of the sliding hook piece.

Another subject of the utility model: the refrigerator comprises a refrigerator body and a door body, wherein the door body is rotationally connected with one side of the refrigerator body;

The main seat body is fixedly arranged on the other side of the box body, the auxiliary seat body is fixedly arranged on the other side of the door body, the rotating hook piece on the main seat body can rotate out of the door body in a locking state, and the door body is positioned between the box body and the blocking of the rotating hook piece.

Another subject of the utility model: the drawer cabinet comprises a cabinet body, a drawer and any one of the safety lock mechanisms, wherein the drawer is arranged in the cabinet body in a pulling manner;

The main seat body is fixedly arranged on one side of the cabinet body, the auxiliary seat body is fixedly arranged on one side of the drawer, the rotating hook piece on the main seat body can rotate to the outside of the drawer in a locking state, and the drawer is positioned between the cabinet body and the blocking of the rotating hook piece.

Compared with the prior art, the door has the advantages that through the structural arrangement of the sliding hook, the rotating hook and the movable hook, the auxiliary seat body arranged on the door body or the drawer can act on the sliding hook in a movable mode, the installation position of the auxiliary seat body on the door body or the drawer only needs to ensure that the auxiliary seat body can act on the sliding hook to be separated from the attached rotating hook, the installation requirement on the main seat body and the auxiliary seat body is low, the installation difficulty of the safety lock mechanism is greatly reduced, meanwhile, when the door body is closed in a rotating mode or the drawer is closed in a pushing mode, the auxiliary seat body on the door body or the drawer can act on the sliding hook automatically due to the closing operation, the sliding hook is separated from the rotating hook, the rotating hook is automatically reset under the action of the torsion spring, the unlocking locking state is automatically switched to the locking state, the operation steps in the closing operation are reduced, and the locking operation is simple and quick.

Drawings

The present utility model will be described in further detail below in conjunction with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn merely for the purpose of illustrating the preferred embodiments and should not therefore be taken as limiting the scope of the utility model, and furthermore, unless specifically indicated, the drawings are merely schematic in nature to conceptually illustrate the composition or construction of the objects described and may contain exaggerated representations, and the drawings are not necessarily drawn to scale.

FIG. 1 is a schematic view of a first preferred embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a first preferred embodiment of the present utility model;

FIG. 3 is a schematic view showing the construction of the installation of the components on a main base according to the preferred embodiment of the present utility model;

FIG. 4 is an exploded view of a main housing and various components of a preferred embodiment of the present utility model;

FIG. 5 is an exploded view showing a sectional view of a sub-seat according to a preferred embodiment of the present utility model;

FIG. 6 is a diagram illustrating an operation of the present utility model when the locking state is unlocked;

FIG. 7 is a schematic diagram showing an unlocked state according to a preferred embodiment of the present utility model;

FIG. 8 is a schematic diagram of an unlocking and locking state according to a preferred embodiment of the present utility model;

FIG. 9 is a cross-sectional view showing an unlocked state of the preferred embodiment of the present utility model;

FIG. 10 is an enlarged schematic view of portion A of FIG. 9 in accordance with a preferred embodiment of the present utility model;

FIG. 11 is a schematic view showing a second embodiment of the present utility model in a locked state;

Fig. 12 is a schematic diagram of a second embodiment of the present utility model in an unlocked and locked state.

In the figure: 1. the main seat body 11, the base surface 12, the connecting wall 13, the inner hook part 14 and the baffle wall; 2. the auxiliary seat body 2a, the main shell, 2a1, the socket, 2a2, the limiting opening, 2a3, the snap fastener, 2a4, the opening, 2b, the pushing piece, 2b1, the pushing section, 2b2, the inserting section, 2b3, the inserting cavity, 2b4, the poking section, 2b5, the side wing, 2c and the spring III; 3. the sliding hook piece 31, the bottom plate 32, the acting part 33, the inserting part 34, the inserting hole 35, the supporting part 36 and the hook groove; 4. a first spring; 5. the device comprises a rotating hook piece 51, a connecting block 52, a rotation limiting groove 53, a blocking block 54, an action port 55 and a mounting cavity; 6. a torsion spring; 7. a movable hook piece 7a, a half-pressing piece 71, a pressing part 72 and an outer hook part; 8. a second spring; 9. a cover plate, 91, a through hole; 10a, refrigerator, 10a1, box body, 10a2, door body, 10b, drawer cabinet, 10b1, cabinet body, 10b2, drawer.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the drawings, and those skilled in the art will appreciate that the descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the present utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

The embodiment mainly explains a safety lock mechanism which is low in installation difficulty and can be automatically locked, and a refrigerator or a drawer cabinet, and is specifically as follows:

Example 1

As shown in fig. 1 to 10, the safety lock mechanism and the refrigerator comprise a main base 1 fixed on a refrigerator 10a body 10a1, a sub base 2 fixed on a refrigerator 10a door body 10a2, a sliding hook 3 slidably mounted on the main base 1, a rotating hook 5 rotatably mounted on the main base 1, and a movable hook 7 mounted in the rotating hook 5, preferably, the refrigerator 10a is replaced with a cabinet such as a safe or a wardrobe equipped with the rotating door body 10a 2.

The main base body 1 is provided with a base surface 11, two sides of the base surface 11 are provided with connecting walls 12, one end of the rotating hook 5 deviates from the base surface 11 and is rotatably installed between the two connecting walls 12, the connecting walls 12 are provided with inner hook parts 13 which can elastically deform, the inner hook parts 13 on the two connecting walls 12 are in mirror symmetry, the sliding hook 3 is provided with a bottom plate 31 which is attached to the base surface 11 and is positioned between the two inner hook parts 13, and the two inner hook parts 13 limit the sliding hook 3 to slide between the two inner hook parts 13 only, namely, the two inner hook parts 13 limit the sliding direction of the sliding hook 3.

Preferably, the inner hook 13 has a 7-shaped structure, the end of the inner hook 13 protrudes toward the inner side of the connecting wall 12, the width of the bottom plate 31 is smaller than or equal to the width between the two connecting walls 12, and the width of the bottom plate 31 is larger than the width between the ends of the inner hook 13.

In this embodiment, a retaining wall 14 is disposed at one end of the main seat 1, an action portion 32 is disposed at one end of the sliding hook 3, a first spring 4 is installed between the retaining wall 14 and the action portion 32, one end of the sliding hook 3 is elastically supported by the first spring 4 to be away from the retaining wall 14, in order to ensure the installation stability when the spring is stressed, an insertion hole 34 is formed in the action portion 32, and the first spring 4 is partially inserted into the insertion hole 34 for installation.

In order to prevent the sliding hook 3 from sliding off the two inner hooks 13 on the main body 1 under the action of the first spring 4, the width dimension of the acting portion 32 is greater than the width dimension between the ends of the two inner hooks 13, and the width dimension of the acting portion 32 is smaller than the dimension between the inner sides of the two connecting walls 12, that is, the acting portion 32 is located between the blocking wall 14 and the two inner hooks 13 of the main body 1, so as to limit the sliding hook 3 from sliding off the main body 1.

As shown in fig. 3-4, the rotating hook 5 is provided with a connection block 51 and a blocking 53, one end of the rotating hook 5 is connected with the connection block 51, one end of the rotating hook 5, through the connection block 51, is located between two connection walls 12 of the main seat 1, under the action of no external force of the sliding hook 3, the acting part 32 of the first spring 4 can elastically support the sliding hook 3 to be attached to the end part of the connection block 51, the connection block 51 is rotatably installed between the two connection walls 12, and the rotating hook 5 is provided with a torsion spring 6, the torsion spring 6 can act on the rotating hook 5 to rotate positively, and the blocking 53 on the rotating hook 5 rotates to the other end of the main seat 1, namely the seat surface 11 under the action of the torsion spring 6.

In order to ensure the aesthetic property of the rotating hook 5 after rotating under the rotating force of the torsion spring 6, the sliding hook 3 is provided with a supporting part 35, the torsion spring 6 can act on the connecting block 51 of the rotating hook 5 to be rotationally attached to the supporting part 35, the supporting part 35 limits the connecting section of the rotating hook 5 to be parallel relative to the base surface 11 of the main base body 1, and the blocking 53 on the rotating hook 5 extends towards the base surface 11.

Preferably, the supporting portion 35 is convexly disposed on the bottom plate 31 of the sliding hook 3, and the width dimension of the supporting portion 35 is smaller than the width dimension of the bottom plate 31, the width dimension of the supporting portion 35 is smaller than the width dimension between the end portions of the two inner hook portions 13, and the sliding arrangement of the bottom plate 31 between the two inner hook portions 13 is not affected by the disposition of the supporting portion 35.

In this embodiment, the end of the connection block 51 is provided with a rotation limiting groove 52, and the acting portion 32 of the sliding hook 3 is provided with an inserting portion 33, when the manually acting rotating hook 5 is turned over, the rotation limiting groove 52 on the connection block 51 of the rotating hook 5 can rotate to match with the inserting portion 33, and the inserting portion 33 is inserted into the rotation limiting groove 52 and limits the rotating member from being reversed by the acting force of the torsion spring 6.

As shown in fig. 2-4, the connecting block 51 and the blocking 53 of the rotating hook 5 are concavely provided with an L-shaped mounting cavity 55 on the end face facing the main seat 1, the movable hook 7 is also installed in the L-shaped mounting cavity 55, in this embodiment, the movable hook 7 includes two mirror-symmetrical half pressing pieces 7a, a second spring 8 is installed between the two half pressing pieces 7a, and the second spring 8 elastically supports the two half pressing pieces 7a.

An action opening 54 is formed in two opposite cavity walls of the blocking 53 of the rotating hook 5, a pressing part 71 corresponding to the action opening 54 is arranged on the half pressing part 7a, the pressing part 71 is arranged in a protruding mode, the spring II 8 elastically supports the pressing part 71 to protrude out of the action opening 54, an outer hook 72 is arranged on the half pressing part 7a, the outer hook 72 extends outwards from a cavity opening of the installation cavity 55 on the connecting block 51, and a hook groove 36 capable of being hooked and matched with the outer hook 72 is formed in the sliding hook 3.

By pressing the pressing portions 71 of the two pressing halves 7a, the maximum width between the outer hooks 72 of the two pressing halves 7a becomes smaller, the two outer hooks 72 can be inserted into the hook grooves 36, and the acting force applied to the pressing portions 71 of the two pressing halves 7a is released, the maximum width between the outer hooks 72 of the two pressing halves 7a can be elastically supported by the second spring 8 to become larger, the two outer hooks 72 are hooked and limited in the hook grooves 36, and the movable hooks 7 and the rotary hooks 5 are hooked and limited to the sliding hooks 3.

As shown in fig. 2-4, the mounting cavity 55 is communicated with the end of the connection block 51, in order to ensure that the torsion spring 6 can apply elastic force to the rotating hook 5, and in order to prevent the movable hook 7 from separating from the rotating hook 5 from the cavity opening of the mounting cavity 55, the cavity opening of the mounting cavity 55 of the rotating hook 5 is covered and mounted with the cover plate 9, the cover plate 9 is also in an L-shaped structure, the cover plate 9 is provided with a through hole 91, the outer hook 72 of the half-pressing piece 7a extends out of the cover plate 9 from the through hole 91, preferably, a torsion arm at one end of the torsion spring 6 is located between the cover plate 9 and the rotating hook 5, and a torsion arm at the other end of the torsion spring 6 can be limited on the sliding hook 3, especially on the supporting part 35 of the sliding hook 3.

In this embodiment, the cover plate 9 is fixedly connected with the blocking plate 53 of the rotating hook 5 through screws, so as to avoid deformation of the cover plate 9 due to the torsion spring 6, the cover plate 9 is fixedly connected with the connecting block 51 of the rotating hook 5 through screws, or convex edges are convexly arranged on two opposite cavity walls of the connecting block 51, and the part of the cover plate 9 located at the connecting block 51 is limited by the convex edges.

When the safety lock of the technical scheme of the application is installed on the refrigerator 10a, the locking can be realized in the unlocking state or the locking state.

Locking locked state: as shown in fig. 2 and 6, the door body 10a2 of the refrigerator 10a is closed relative to the box body 10a1, the rotating hook 5 is attached to the supporting portion 35 of the sliding hook 3 under the forward rotating force of the torsion spring 6, the outer hook 72 of the movable hook 7 is hooked in the hook groove 36 of the sliding hook 3, the door body 10a2 is located between the box body 10a1 and the blocking 53 of the rotating hook 5, that is, the auxiliary seat 2 on the door body 10a2 is located between the blocking 53 of the rotating hook 5 and the sliding hook 3, the blocking 53 limits the auxiliary seat 2 to move away from the sliding hook 3, that is, the blocking 53 limits the door body 10a2 to rotate relative to the box body 10a1, at this time, the auxiliary seat 2 acts on the sliding hook 3 to compress the acting spring 4, and the protruding portion of the sliding hook 3 is away from the end of the connecting block 51 of the rotating hook 5.

Unlocking the locked state: as shown in fig. 8 to 10, the door body 10a2 of the refrigerator 10a is opened relative to the refrigerator body 10a1, at this time, the sub-seat body 2 is far away from the sliding hook 3 due to the rotation of the door body 10a2, the protruding portion of the sliding hook 3 is attached to the end portion of the connection block 51 of the rotating hook 5 under the action of the first spring 4, and the protruding portion is inserted into the rotation limiting groove 52 at the end portion of the connection block 51 due to the reverse rotation of the rotating hook 5, so that the rotation limiting hook 5 is reversely rotated, that is, the forward rotation acting force of the torsion spring 6 is counteracted by the sliding hook 3.

When the safety lock is switched from the unlocking locking state to the locking state, only the door body 10a2 of the refrigerator 10a is required to be operated to rotate and close, when the door body 10a2 is rotated and closed relative to the box body 10a1, the auxiliary seat body 2 on the door body 10a2 can act on the sliding hook 3, so that the convex part of the sliding hook 3 is separated from the rotation limiting groove 52 of the connecting block 51 of the rotating hook 5 due to sliding, the rotating hook 5 rotates positively under the acting force of the torsion spring 6, and the two outer hook parts 72 of the movable hook 7 rotating synchronously with the rotating hook 5 are inserted into the hook groove 36 and are hooked and limited.

In order to reduce the difficulty of inserting the two outer hook portions 72 into the hook groove 36, the two outer hook portions 72 are provided with guide inclined planes, and under the action of the torsion spring 6, the guide inclined planes can smoothly act on the two half pressing pieces 7a at the notch of the hook groove 36 to compress the spring two 8, so that the maximum width between the two outer hook portions 72 is reduced.

When the safety lock is switched from the locking state to the unlocking state, the two pressing parts 71 of the movable hook 7 are manually pressed, so that the two outer hook parts 72 of the movable hook 7 are hooked and separated from the hook grooves 36 on the sliding hook 3, the rotating hook 5 is manually reversed, the rotating hook 5 drives the two outer hook parts 72 of the movable hook 7 to be separated from the hook grooves 36, the door body 10a2 of the refrigerator 10a is rotated and opened, the sliding hook 3 is attached to the end part of the connecting block 51 of the rotating hook 5 under the action of the first spring 4 until the rotating hook 5 is rotated until the convex part is matched with the rotation limiting groove 52.

As shown in fig. 2 and 5, in order to enhance the replaceable adjustment of the pushing stroke of the sub-seat 2 to the sliding hook 3, the sub-seat 2 includes a main housing 2a, a pushing member 2b and a spring three 2c, the main housing 2a is hollow, the pushing member 2b is inserted into the main housing and installed, the spring three 2c is disposed in the main housing 2a and elastically supports the pushing member 2b, a pushing section 2b1 is disposed on the pushing member 2b, and the pushing section 2b1 extends from one end of the main housing 2a and can act on the sliding hook 3 to slide.

One end of the main shell 2a is provided with a socket 2a1, the size of the socket 2a1 is smaller than the hollow inner size of the main shell 2a, a pushing section 2b1 of the pushing piece 2b extends out of the socket 2a1, the other end of the main shell 2a is provided with a limiting opening 2a2, the end part of the limiting opening 2a2 is provided with a snap 2a3, and the snap 2a3 can limit the pushing piece 2b inserted into the main shell 2a from being separated from the other end of the main shell 2 a.

The pushing piece 2b is provided with an inserting section 2b2, the inserting section 2b2 is provided with an inserting cavity 2b3, a cavity opening of the inserting cavity 2b3 is arranged towards the direction where the inserting opening 2a1 is located, the spring III 2c is arranged in the inserting cavity 2b3 and is installed, the pushing section 2b1 extends to be a cavity wall of the inserting cavity 2b3 of the inserting section 2b2, the pushing pieces 2b1 with different lengths are matched, and under the condition that the installation distance between the main seat body 1 and the auxiliary seat body 2 is determined, the pushing section 2b1 of the pushing piece 2b can be ensured to act on the sliding hook 3 to slide by replacing the pushing pieces 2 b.

In order to facilitate replacement of the pushing piece 2b, a release opening 2a4 is formed in the side wall of the main shell 2a, the release opening 2a4 is communicated with the end part of the limiting opening 2a2, a shifting section 2b4 inserted into the release opening 2a4 is arranged on the pushing piece 2b, the shifting section 2b4 extends out of the main shell 2a, the shifting section 2b4 can drive the inserting section 2b2 to act as a snap 2a3 by acting on the shifting section 2b4 towards the direction of the limiting opening 2a2, deformation of the snap 2a3 can enable the pushing piece 2b to be separated from the main shell 2a from the limiting opening 2a2, replacement of the pushing piece 2b is performed, and a side wing 2b5 which is arranged in a protruding manner is arranged on the shifting section 2b4 in order to enlarge an acting surface capable of contacting the shifting section 2b 4.

Example two

As shown in fig. 11-12, the safety lock mechanism and the drawer cabinet are different from the first embodiment in that the cabinet body 10b1 and the drawer 10b2 of the drawer cabinet 10b are opened and closed by pulling, wherein the main seat body 1 is fixed on one side of the cabinet body 10b1, the auxiliary seat body 2 is fixed on one side of the drawer 10b2, and the main seat body 1 and the auxiliary seat body 2 are arranged on the same side.

The pushing and closing of the drawer 10b2 can realize the automatic switching of the safety lock from the unlocking and locking state to the locking and locking state, and in the locking and locking state, the drawer 10b2 is positioned between the cabinet 10b1 and the blocking 53 of the rotating hook 5, so that the drawer 10b2 is limited to be pulled and opened.

In the above two embodiments, through the structural arrangement of the sliding hook 3, the rotating hook 5 and the movable hook 7, the auxiliary seat 2 installed on the door body 10a2 or the drawer 10b2 can act on the sliding hook 3 in a movable manner, and the installation position of the auxiliary seat 2 on the door body 10a2 or the drawer 10b2 only needs to ensure that the auxiliary seat 2 can act on the sliding hook 3 to separate from the attaching rotating hook 5, so that the installation requirement on the main seat 1 and the auxiliary seat 2 is low, the installation difficulty of the safety lock mechanism is greatly reduced, and meanwhile, when the door body 10a2 is closed in a rotating manner or the drawer 10b2 is pushed to be closed, the auxiliary seat 2 on the door body 10a2 or the drawer 10b2 can act on the sliding hook 3 automatically due to the closing operation, so that the sliding hook 3 is separated from the rotating hook 5, the rotating hook 5 is reset automatically under the action of the torsion spring 6, and the unlocking locking state is switched to the locking state automatically, and the operation steps in the closing operation are reduced, so that the locking operation is simple and quick.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "front", "rear", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

While the utility model has been described in detail with respect to the safety lock mechanism and the refrigerator or drawer cabinet, specific examples have been provided herein to illustrate the principles and embodiments of the utility model, and the above examples are provided only to assist in understanding the utility model and the core idea, it should be noted that, for those skilled in the art, several improvements and modifications can be made to the utility model without departing from the principles of the utility model, which also fall within the scope of the appended claims.

Claims (10)

1. The safety lock mechanism comprises a main seat body and an auxiliary seat body which are independently arranged and can move relatively;

The auxiliary seat body is characterized in that the main seat body is provided with a sliding hook piece which is installed in a sliding way, and the auxiliary seat body can be movably close to and attached to or far from the sliding hook piece;

The main seat body is provided with a rotary hook member which is rotatably arranged, the rotary hook member is provided with a torsion spring, the torsion spring can act on the rotary hook member to rotate positively, the sliding hook member can limit the rotary hook member to rotate positively under the acting force of the torsion spring, and the rotary hook member is provided with a blocking;

The movable hook piece is arranged in the rotary hook piece and can be hooked with the sliding hook piece or is hooked with the sliding hook piece;

A first spring is arranged between the main seat body and the sliding hook piece, and the first spring elastically supports the sliding hook piece to be attached to the rotating hook piece or the auxiliary seat body;

Locking locked state: the torsion spring acts on the rotating hook to rotate positively, the movable hook is hooked with the sliding hook, the auxiliary seat body is positioned between the blocking of the rotating hook and the sliding hook, the blocking limits the auxiliary seat body to move away from the sliding hook, and the auxiliary seat body acts on the sliding hook to compress the first spring;

Unlocking the locked state: the movable hook piece is connected with the sliding hook piece in a hooking way, the sliding hook piece is attached to the rotating hook piece under the elastic support of the first spring, the rotating hook piece is limited to rotate positively under the acting force of the torsion spring, the blocking is far away from the auxiliary seat body, and the auxiliary seat body can be movably far away from the sliding hook piece.

2. The safety lock mechanism according to claim 1, wherein the main base has connecting walls on both sides thereof, the rotating hook has a connecting block having one end connected to the blocking block, the connecting block is rotatably connected between the two connecting walls, and the rotating hook has an L-shaped structure.

3. The safety lock mechanism according to claim 2, wherein in the locking state, the two end faces of the rotating hook piece, which face the main seat body, are concavely provided with mounting cavities, the movable hook piece is arranged in the mounting cavities, a cover plate is arranged at the cavity mouth of the mounting cavities, and the cover plate limits the movable hook piece to be separated from the mounting cavities.

4. The safety lock mechanism according to claim 3, wherein the movable hook comprises two pressing hook members arranged in a mirror image manner, a second spring is arranged between the two pressing hook members, a pressing part is arranged on the pressing hook members, and the pressing parts of the second spring elastically support the two pressing hook members to expose two blocking sides of the rotating hook members.

5. The safety lock mechanism according to claim 4, wherein the press hook member is provided with an outer hook portion extending from the cover plate,

And the sliding hook piece is provided with a hook groove, the outer hook parts of the two pressing hook pieces supported by the second spring can be hooked and limited in the hook groove, and the movable hook piece and the rotating hook piece are limited to be separated from the sliding hook piece.

6. The safety lock mechanism according to claim 2, wherein a retaining wall is provided at one end of the main housing, the retaining wall being connected to one end of the two connecting walls, and the first spring is provided at one end of the retaining wall and the sliding hook.

7. The safety lock mechanism according to claim 6, wherein the main housing is provided with a base surface for connecting the retaining wall and the two connecting walls, the two connecting walls are respectively provided with an inner hook, and the sliding hook is provided with a bottom plate which is attached to the base surface and is located between the two inner hooks, and the two inner hooks limit the sliding direction of the bottom plate.

8. The safety lock mechanism according to claim 7, wherein the end of the connecting block is provided with a rotation limiting groove, and the bottom plate of the sliding hook is provided with an inserting portion, and in the unlocked and locked state, an elastic supporting inserting portion of the spring is inserted into the rotation limiting groove to limit rotation of the rotating hook.

9. The refrigerator is characterized by comprising a refrigerator body, a door body and the safety lock mechanism as claimed in any one of the claims 1-8, wherein the door body is rotatably connected with one side of the refrigerator body;

The main seat body is fixedly arranged on the other side of the box body, the auxiliary seat body is fixedly arranged on the other side of the door body, the rotating hook piece on the main seat body can rotate out of the door body in a locking state, and the door body is positioned between the box body and the blocking of the rotating hook piece.

10. The drawer cabinet is characterized by comprising a cabinet body, a drawer and the safety lock mechanism as set forth in any one of the above claims 1-8, wherein the drawer is installed in the cabinet body in a pulling manner;

The main seat body is fixedly arranged on one side of the cabinet body, the auxiliary seat body is fixedly arranged on one side of the drawer, the rotating hook piece on the main seat body can rotate to the outside of the drawer in a locking state, and the drawer is positioned between the cabinet body and the blocking of the rotating hook piece.