CN115613908B - Refrigerator - Google Patents

Abstract

The invention relates to the technical field of refrigeration equipment and discloses a refrigerator, which comprises a refrigerator body, a refrigerator door and a door lock assembly; the door lock assembly comprises a mounting seat, a lock hook, a built-in lock body, a built-in lock tongue and a base; the installation seat is fixed on the cabinet body, the first end of the lock hook is rotatably arranged on the installation seat, and the opposite second end of the lock hook is provided with a clamping hook part; the built-in lock body is arranged at a preset position on the lock hook, and a rotatable built-in lock tongue is arranged on the built-in lock body; the base is fixed on the cabinet door, a lock nose and a padlock hole are arranged on the base, and the padlock hole is used for installing a padlock; when the built-in lock tongue is in a closed state, the clamping hook part hooks the lock nose and cannot rotate, so that the cabinet door and the cabinet body are locked; when the lock tongue of the built-in lock is in an open state, the lock hook can rotate to be separated from the unlocking nose, so that the cabinet door is opened. The built-in lock is integrated on the padlock component, double-lock configuration is realized in one structure, and the built-in lock is simple in structure and convenient for a user to operate.

Description

Refrigerator

Technical Field

The invention relates to the technical field of refrigeration equipment, in particular to a refrigerator.

Background

The medical refrigerator is a professional refrigerator for preserving medicines, vaccines, enzymes, hormones, stem cells, platelets, transplanted skin, tissue samples of animals, extracted RNA, gene libraries, some important special medicines such as biological and chemical reagents and the like. When the medical cabinet product works, a closed space is formed by the cabinet body, the door body and the door seal to prevent the cold and heat exchange inside and outside the cabinet body. Medical cabinet products generally employ a door design or two door designs, with the door being mounted to the cabinet. The door body is usually provided with a handle, so that a user can conveniently open the door body to extract the storage.

In order to meet the safety requirement of users on medical refrigerators, a safety padlock is generally arranged, and in order to improve the tightness of a door body, the padlock is generally required to have a certain tensioning effect on the door body. For the purposes of standardization management, some institutions or units (such as disease control centers, hospitals, scientific research institutions, etc.) require double pipes to realize multiple rights management, so that a double lock configuration is required.

At present, medical refrigerator in market mainly uses configuration padlock and can not meet the above requirements. Therefore, to achieve a dual lock configuration, a built-in lock is typically added. However, the built-in lock is generally arranged at the upper end or the lower end of the door body, so that the operation of a user is inconvenient.

Thus, improvements are needed in the art.

Disclosure of Invention

The purpose of the invention is that: the refrigerator is provided to solve the technical problem that the double-lock configuration of the refrigerator in the prior art is inconvenient for a user to operate by respectively arranging a padlock and a built-in lock.

In order to achieve the above object, the present invention provides a refrigerator comprising:

A cabinet defining a storage chamber therein;

A cabinet door for opening and closing the storage chamber;

wherein, still include the door lock assembly;

the door lock assembly comprises a mounting seat, a lock hook, a built-in lock body, a built-in lock tongue and a base;

the mounting seat is fixed on the cabinet body, the first end of the lock hook is rotatably arranged on the mounting seat, and the opposite second end of the lock hook is provided with a clamping hook part;

The built-in lock body is arranged at a preset position on the lock hook, and the rotatable built-in lock tongue is arranged on the built-in lock body;

The base is fixed on the door body, a lock nose and a padlock hole are formed in the base, the clamping hook part is used for hooking the lock nose, and the padlock hole is used for installing a padlock;

when the built-in lock tongue is in a closed state, the clamping hook part hooks the lock nose and cannot rotate, so that the cabinet door and the cabinet body are locked;

when the built-in lock tongue is in an open state, the lock hook can be rotated to leave the lock nose, so that the cabinet door is opened.

In some embodiments of the application, the hook portion comprises a transverse hook portion and a vertical hook portion; the transverse hook part is arranged along the length direction of the lock hook, the vertical hook part is connected with the transverse hook part at a preset angle, and when the built-in lock tongue is in a closed state, the lock nose is clamped at the joint of the transverse hook part and the vertical hook part.

In some embodiments of the present application, an arc-shaped protrusion is provided on an inner side of the carabiner, so that the carabiner pulls the cabinet door toward the cabinet body in the process of being clamped into the lock nose.

In some embodiments of the present application, a concave portion is provided inside a connection portion between the vertical hook portion and the horizontal hook portion, and the concave portion is connected with the convex portion.

In some embodiments of the application, the lock nose includes a bearing member and a spindle member;

the rotating shaft piece is rotatably arranged on the base through the bearing piece, the rotating shaft piece takes the axial direction of the rotating shaft piece as a rotating shaft, and the clamping hook part is contacted with the rotating shaft piece and drives the rotating shaft piece to rotate in the process of clamping the locking nose.

In some embodiments of the present application, the bearing member is a fixed post, and the rotating shaft member is a sleeve shaft; one end of the fixed column is arranged on the base, the sleeve shaft is rotatably sleeved on the outer surface of the fixed column, and the clamping hook part is clamped on the sleeve shaft.

In some embodiments of the application, the lock nose further comprises a retainer ring; the retainer ring is sleeved at the front end of the fixed column and is positioned in front of the sleeve shaft and used for blocking the sleeve shaft from falling out of the fixed column.

In some embodiments of the present application, when the lock tongue of the built-in lock is in a closed state, a structure surrounding the lock nose is formed with the hook portion, so that the lock hook cannot rotate;

When the built-in lock bolt rotates downwards, the built-in lock bolt is gradually far away from the clamping hook part until the rotation of the locking hook is not limited.

In some embodiments of the present application, the built-in lock body is disposed on the lock hook through a bracket, so that the lock tongue of the built-in lock and the hook are located on the same plane.

In some embodiments of the present application, the mounting base is provided with a second limiting portion to limit an outward rotation angle of the latch hook.

In some embodiments of the present application, the padlock hole is in a shape that narrows from top to bottom and the bottom is circular arc.

In some embodiments of the present application, the door lock assembly further includes a decorative cover, and the decorative cover is provided with an unlocking hole;

the decorative cover is connected with the lock hook and used for covering the lock hook, the mounting seat and the base, and the unlocking hole corresponds to the position of the built-in lock body.

Compared with the prior art, the refrigerator has the beneficial effects that:

The refrigerator integrates the built-in lock on the padlock component, realizes double-lock configuration in one structure, has a simple structure and is convenient for a user to operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a left-side schematic view of a refrigerator according to an embodiment of the present invention;

Fig. 2 is a right-side view of a refrigerator according to an embodiment of the present invention;

FIG. 3 is an enlarged view at A in FIG. 1;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is a schematic elevational structural view of the door lock assembly;

FIG. 6 is a right side schematic view of the door lock assembly;

FIG. 7 is a schematic left-hand structural view of the door lock assembly;

FIG. 8 is a schematic top view of the door lock assembly;

FIG. 9 is a schematic bottom view of the door lock assembly;

FIG. 10 is a schematic rear view of the door lock assembly;

FIG. 11 is a schematic view of the door lock assembly in a closed and open position;

FIG. 12 is a schematic view of the door lock assembly except for a decorative cover;

FIG. 13 is a schematic view of the door lock assembly except for the decorative cover and the base;

FIG. 14 is a schematic view of the structure of the base;

fig. 15 is a schematic structural view of the decorative cover.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 4, a refrigerator in accordance with a preferred embodiment of the present invention mainly includes a cabinet body 100, a cabinet door 200, and a door lock assembly 300.

Specifically, the cabinet body 100 defines a storage chamber therein, and the cabinet door 200 is used to open and close the storage chamber.

Referring to fig. 5-15, the door lock assembly 300 includes a mounting block 310, a shackle 320, a bracket 330, a built-in lock body 340, a built-in lock tongue 350, a base 360, and a decorative cover 370.

Referring to fig. 3 and 13, the mounting base 310 is fixedly mounted on the cabinet 100, and specifically, the mounting base 310 is provided with a plurality of screw holes 311, as shown in fig. 10, and can be connected with the cabinet 100 by screws.

Referring to fig. 14, a base 360 is fixed to the cabinet door 200, and a lock nose and a padlock hole 361 are formed in the base 360. Specifically, the base 360 includes a vertical plate 362 and a horizontal plate 363 that are vertically connected to form an L shape, and a plurality of mounting screw holes 3631 are formed in the horizontal plate 363 for fixing the base 360 to the cabinet door 200 by screws. The padlock hole 361 is disposed on the riser 362, see fig. 6, and the padlock hole 361 is narrowed from top to bottom and has an arc bottom, so that the padlock can be automatically aligned under the action of gravity and slide to the center of the bottom of the padlock hole 361.

The lock nose comprises a bearing piece and a rotating shaft piece. The rotating shaft member is rotatably disposed on the base 360 through a bearing member, and the rotating shaft member uses its own axial direction as a rotation axis. Specifically, referring to fig. 14, the lock nose includes a fixed post 364, a sleeve shaft 365 and a retainer 366, one end of the fixed post 364 is fixedly disposed on the transverse plate 363, and the sleeve shaft 365 is rotatably sleeved on the outer surface of the fixed post 364. The retainer ring 366 is sleeved at the front end of the fixed column 364 and is positioned in front of the sleeve shaft 365 and used for blocking the sleeve shaft 365 from falling out of the fixed column 364 so as to ensure the overall installation stability of the lock nose. That is, in the present embodiment, the bearing member is a fixed post 364, and the rotating shaft member is a sleeve shaft 365. It will be appreciated by those skilled in the art that the lock nose is essentially a shaft structure that is rotatable about its own axis, and thus in other embodiments, a shaft structure may be formed similarly by cylindrical pins and bearings, shafts and bearings, and the like.

Referring to fig. 13, a first end of the latch hook 320 is rotatably disposed on the mount 310. Specifically, a bolt 312 is disposed on the mounting seat 310, and a through hole is disposed at one end of the latch hook 320, so that the latch hook 320 can penetrate into the bolt 312, and then sequentially penetrates into the washer 313 and the nut 314, so that the latch hook 320 can be rotatably disposed on the mounting seat 310 with the bolt 312 as an axis, as shown in fig. 13. The opposite second end of the latch hook 320 is provided with a latch hook portion 321. Those skilled in the art will appreciate that in other embodiments, the shackle 320 may be rotatably mounted to the mount 310 by a rotatable connection member such as a cylindrical pin.

Referring to fig. 12 and 13, the built-in lock body 340 is disposed at a predetermined position of the lock hook 320 near the second end thereof through the bracket 330, so that the built-in lock tongue 350 and the hook 321 are located on the same plane. Specifically, the bracket 330 may be mounted on the latch hook 320 by a screw, and the bracket 330 and the latch hook 320 are relatively stationary.

Referring to fig. 12, a jack 341 is provided at the front end of the built-in lock body 340, into which a key can be inserted, and a built-in lock tongue 350 is provided at the rear end of the built-in lock body 340, and rotation of the built-in lock tongue 350 can be controlled by turning the key, so that the built-in lock tongue 350 is respectively provided in an opened or closed state.

Referring to fig. 11 and 13, the hook 321 of the latch hook 320 includes a transverse hook portion 3211 and a vertical hook portion 3212, the transverse hook portion 3211 is disposed along a length direction of the latch hook 320, and the vertical hook portion 3212 is vertically connected to the transverse hook portion 3211 to form an L shape. The hook portion 321 is provided with a concave portion 3213 at the L-shaped turning position, and the inner side of the vertical hook portion 3212 is provided with a circular arc-shaped convex portion 3214 connected with the concave portion 3213, so that the hook portion 321 pulls the cabinet door 200 towards the cabinet body 100 in the process of clamping in a lock nose, the pretightening force of the cabinet door 200 is gradually increased, the door seal fit degree is good, the tightness of the cabinet door 200 is ensured, and the problem of frosting caused by poor tightness of the cabinet body 100 and the cabinet door 200 is effectively avoided. However, the built-in lock of the prior art generally only has the function of locking the door, but cannot increase the pretightening force of the cabinet door 200, which is not helpful for improving the tightness of the cabinet door 200.

The fixed post 364 is perpendicular to the latch hook 320, the latch hook 320 is in surface contact with the sleeve shaft 365, static friction is generated between the latch hook 320 and the sleeve shaft 365, and the sleeve shaft 365 and the fixed post 364 rotate relatively, and rolling friction is generated between the sleeve shaft 365 and the fixed post 364. Therefore, in the present embodiment, referring to fig. 11, the hook 321 can convert sliding friction into rolling friction during the process of being snapped into the lock nose (sleeve shaft 365), so as to effectively reduce friction force and make the switch lock smoother. In the general prior art, static friction (sliding friction) is overcome in the process of clamping the lock hook 320 and the lock nose, so that the resistance of the switch lock is large, the switch lock is not smooth, and the customer experience is poor.

Referring to fig. 13, an end of the carabiner portion 3212 includes a tip portion 3215 facing inward and a first stopper portion 3216. Referring to fig. 11, when the latch hook 320 is in the closed state, the first stopper portion 3216 abuts against the riser 362 of the base 360.

Referring to fig. 11, the built-in lock tongue 350 is a sheet-shaped lock tongue, when the built-in lock tongue 350 is in a closed state, the built-in lock tongue 350 is located in a horizontal position, as shown in a solid line structure in fig. 11, and forms a structure surrounding a lock nose with the hook portion 321, so that the lock hook 320 cannot rotate. The hook 321 is hooked on the lock nose to lock the cabinet door 200 and the cabinet body 100. When the built-in lock bolt 350 rotates downwards, the built-in lock bolt is gradually far away from the clamping hook portion 321, until the built-in lock bolt rotates to be located at the vertical position, a surrounding structure is not formed between the built-in lock bolt and the clamping hook portion 321, and the locking hook 320 can rotate outwards to be away from the lock nose, so that the cabinet door 200 can be opened. Referring to fig. 11 and 12, a second limiting portion 315 is provided at the bottom of the mounting base 310 to limit an outward rotation angle of the latch hook 320.

Referring to fig. 15, the decorative cover 370 is provided with an unlocking hole 371. The decoration cover 370 is connected to the latch hook 320, and is used for covering the latch hook 320, the mounting seat 310 and the base 360, and the unlocking hole 371 corresponds to the position of the built-in lock body 340, so that the front surface of the built-in lock body 340 can be exposed, as shown in fig. 5. Specifically, referring to fig. 9 and 10, the front and bottom surfaces of the latch hook 320 are provided with mounting holes 322 (the positions of the mounting holes 322 are indicated by screws in fig. 9 and 10) and the decorative cover 370 are fixedly mounted by screws. The decorative cover 370 is a plastic housing.

The door lock assembly 300 is installed as follows:

in the first step, the base 360 is fixed to the cabinet door 200 by screws.

In the second step, the bracket 330 is mounted on the latch hook 320 by a screw, and the latch hook 320 is inserted into the bolt 312 of the mounting base 310.

Third, the washer 313 is pierced and the nut 314 is locked.

Fourth, the built-in lock body 340 is mounted to the bracket 330, and then the built-in lock tongue 350 is assembled to the built-in lock body 340.

Fifth, the mounting base 310 is fixed to the cabinet 100 by screws.

Sixth, the decorative cover 370 is fitted and screwed to the latch hook 320, thereby completing the installation of the door lock assembly 300.

The door lock assembly 300 is operated in a closed state as shown in a solid line configuration in fig. 11 and in an open state as shown in a broken line configuration in fig. 11.

In summary, the refrigerator provided by the invention at least comprises the following beneficial effects:

first, the combination lock is integrated on the padlock components, enabling a double lock configuration in one configuration.

Second, the interaction process of the latch hook 320 and the lock nose is stable and reliable, sliding friction is converted into rolling friction in the process of the latch hook 320 being buckled to the lock nose, the friction force is small, and the pretightening force of the cabinet door 200 is gradually increased in the meshing process.

Thirdly, the lock hole adopts a big-end-up shape, so that the padlock can be automatically aligned under the action of gravity and slide to the center of the bottom along the shape of the hole under the action of gravity.

Fourth, the outside adopts plastic part (decorating cover 370) to cover inside sheet metal structure function piece, and the mould cost is with low costs, and sheet metal material resource is wide, with low costs.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims (6)

1. A refrigerator, comprising:

A cabinet defining a storage chamber therein;

A cabinet door for opening and closing the storage chamber;

The door lock is characterized by further comprising a door lock assembly;

the door lock assembly comprises a mounting seat, a lock hook, a built-in lock body, a built-in lock tongue and a base;

the mounting seat is fixed on the cabinet body, the first end of the lock hook is rotatably arranged on the mounting seat, and the opposite second end of the lock hook is provided with a clamping hook part;

The built-in lock body is arranged at a preset position on the lock hook, and the rotatable built-in lock tongue is arranged on the built-in lock body;

The base is fixed on the cabinet door, a lock nose and a padlock hole are formed in the base, the clamping hook part is used for hooking the lock nose, and the padlock hole is used for installing a padlock;

when the built-in lock tongue is in a closed state, the clamping hook part hooks the lock nose and cannot rotate, so that the cabinet door and the cabinet body are locked;

When the built-in lock tongue is in an open state, the lock hook can be rotated to leave the lock nose, so that the cabinet door is opened;

the clamping hook part comprises a transverse hook part and a vertical hook part; the transverse hook part is arranged along the length direction of the lock hook, the vertical hook part is connected with the transverse hook part at a preset angle, and when the built-in lock tongue is in a closed state, the lock nose is clamped at the joint of the transverse hook part and the vertical hook part; the inner side of the vertical hook part is provided with a circular arc-shaped convex part, so that the clamping hook part pulls the cabinet door to the cabinet body direction in the process of clamping the clamping hook part into the lock nose;

when the built-in lock tongue is in a closed state, the built-in lock tongue and the clamping hook part form a structure surrounding the lock nose, so that the lock hook cannot rotate;

When the built-in lock bolt rotates downwards to an opening state, the built-in lock bolt gradually moves away from the clamping hook part until the rotation of the locking hook is not limited;

The lock nose comprises a bearing piece and a rotating shaft piece;

the rotating shaft piece is rotatably arranged on the base through the bearing piece, the rotating shaft piece takes the axial direction of the rotating shaft piece as a rotating shaft, and the clamping hook part is contacted with the rotating shaft piece and drives the rotating shaft piece to rotate in the process of clamping the locking nose.

2. The refrigerator according to claim 1, wherein a concave portion is provided inside a junction of the vertical hook portion and the horizontal hook portion, and the concave portion is connected to the convex portion.

3. The refrigerator according to claim 1, wherein the bearing member is a fixed post and the rotating shaft member is a sleeve shaft; one end of the fixed column is arranged on the base, the sleeve shaft is rotatably sleeved on the outer surface of the fixed column, and the clamping hook part is clamped on the sleeve shaft.

4. The refrigerator according to claim 1, wherein the built-in lock body is arranged on the lock hook through a bracket, so that the built-in lock tongue and the clamping hook are positioned on the same plane.

5. The cooler of claim 1, wherein said padlock holes are tapered from top to bottom and have a rounded bottom.

6. The refrigerator according to claim 1, wherein the door lock assembly further comprises a decorative cover provided with an unlocking hole;

the decorative cover is connected with the lock hook and used for covering the lock hook, the mounting seat and the base, and the unlocking hole corresponds to the position of the built-in lock body.