CN111595086B

CN111595086B - Medical treatment freezer

Info

Publication number: CN111595086B
Application number: CN202010599074.7A
Authority: CN
Inventors: 梁飞; 高文超; 甘其明
Original assignee: Hisense Ronshen Guangdong Freezer Co Ltd; Qingdao Hisense Commercial Cold Chain Co Ltd
Current assignee: Hisense Ronshen Guangdong Freezer Co Ltd; Qingdao Hisense Commercial Cold Chain Co Ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-10-29
Anticipated expiration: 2040-06-28
Also published as: CN111595086A

Abstract

The invention discloses a medical refrigerator, relates to the technical field of refrigeration equipment, and aims to solve the problems that in the prior art, the medical refrigerator has more door opening steps and is complicated to operate. The medical refrigerator comprises a refrigerator body, a storage chamber is formed in the refrigerator body, and a limiting part and a first locking nose are relatively fixed on the refrigerator body; the door body is hinged at the opening of the storage chamber, a second lock nose is relatively fixed on the door body, when the door body is closed, the second lock nose corresponds to the first lock nose in position, and the first lock nose and the second lock nose are used for being connected with a padlock; the handle rotates and sets up on the door body, is equipped with hitching part on hand, and the handle can rotate between primary importance and second position, closes when the door body, and the handle is located the primary importance, and hitching part articulates with spacing portion to prevent the door body to opening the direction and rotate, when the handle rotated to the second place by the primary importance, hitching part and spacing portion separation. The invention is used for storing medical articles.

Description

Medical treatment freezer

Technical Field

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

Background

Medical freezers are professional freezers that preserve drugs, vaccines, enzymes, hormones, stem cells, platelets, transplanted skin and tissue samples of animals, extracted RNA and gene libraries and some important biological and chemical agents as special drugs.

As shown in fig. 1, a medical refrigerator generally includes a cabinet 001 having a storage chamber formed therein, and a door body 002 is hinged to an opening of the storage chamber to prevent heat exchange between the outside and the storage chamber. In order to open the door body 002, the door body 002 is usually provided with a handle 003, and in some use scenes, in order to prevent the door body from being opened at will, the door body is also provided with a safety lock to realize safety management.

Medical treatment freezer that has the safety lock among the prior art generally sets up rotatable handle 004 on the box, as shown in fig. 2, handle 004 is seted up recess 005 and is set firmly first lock nose 006, as shown in fig. 3, then fixed column 007 and the second lock nose 008 that corresponds of fixed setting on door body 002, when door body 002 was closed, rotating handle 004 made fixed column 007 get into in the recess 005, realize mutual joint, in order to prevent door body 002 to rotate to the direction of opening, and first lock nose 006 and second lock nose 008 position correspond, then pass through padlock locking door body 002 in two lock noses department.

When the refrigerator is used, a user opens the padlock and takes the padlock down from the lock nose, then rotates the handle 004 to separate the groove 005 from the fixing column 007, at the moment, the door body 002 and the box body 001 are unlocked relatively, and then pulls the handle 003 on the door body 002 to open the door body 002. However, in actual use, the padlock needs to be opened first, then the handle 004 is rotated, and finally the handle 003 on the door body 002 is pulled, so that the door body 002 can be opened.

Disclosure of Invention

The embodiment of the invention provides a medical refrigerator, when a door is opened, after a padlock is opened, the door body can be opened only by operating a handle, so that the operation steps during opening the door can be reduced, a plurality of parts do not need to be operated respectively, and the user experience is favorably improved.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:

an embodiment of the present invention provides a medical refrigerator, including:

the storage chamber is formed in the box body, and the limiting part and the first locking nose are relatively fixed on the box body;

the door body is hinged to the opening of the storage chamber, a second lock nose is relatively fixed on the door body, when the door body is closed, the second lock nose corresponds to the first lock nose in position, and the first lock nose and the second lock nose are used for being connected with a padlock;

the handle is rotatably arranged on the door body, a hanging part is arranged on the handle, the handle can rotate between a first position and a second position, when the door body is closed, and the handle is located at the first position, the hanging part is hung on the limiting part to prevent the door body from rotating towards the opening direction, and when the handle rotates to the second position from the first position, the hanging part is separated from the limiting part.

The medical refrigerator provided by the embodiment of the invention has the advantages that the rotatable handle and the first lock nose are arranged on the door body, the hanging part is arranged on the handle, the limiting part and the second lock nose are arranged on the box body, when the door body is closed, the door body can be prevented from rotating towards the opening direction by hanging the hanging part and the limiting part, the door body is locked by connecting the padlock through the first lock nose and the second lock nose, and therefore, the safety management of the medical refrigerator is realized, when in actual operation, a user opens the padlock firstly, then only needs to hold the handle and pull the handle to enable the handle to rotate from the first position to the second position, namely, the hanging part and the limiting part are separated from each other, at the moment, the relative locking state between the door body and the box body is released, then the handle is continuously pulled to open the door body, compared with the prior art, particularly when one hand of the user holds an article, the other hand can open the door body by pulling the handle after opening the padlock, other parts do not need to be operated respectively, so that the operation steps are reduced, and the user experience is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a medical refrigerator in the prior art;

fig. 2 is a schematic view of a handle of a medical cooler of the prior art;

fig. 3 is a schematic structural view of a fixing column and a second locking nose mounted on a box body of a medical refrigerator in the prior art;

fig. 4 is a schematic structural diagram of a medical refrigerator according to an embodiment of the present invention;

fig. 5 is an exploded view of a handle and other components of a medical cooler according to an embodiment of the present invention;

fig. 6 is a perspective view of a handle and other components (not including a plastic housing) of the medical refrigerator according to an embodiment of the present invention;

fig. 7 is a front view of a handle or the like (without a plastic housing) of a medical cooler provided in accordance with an embodiment of the present invention;

FIG. 8 is a schematic structural view of the stop assembly in the open position when the handle is in the first position according to the embodiment of the present invention;

fig. 9 is a schematic structural view of the limiting assembly at the opening position when the handle is at the second position and the door body is not opened according to the embodiment of the present invention;

FIG. 10 is a schematic structural view of the stop assembly in the locked position when the handle is in the second position according to the embodiment of the present invention;

FIG. 11 is a schematic structural view of a handle provided in an embodiment of the present invention;

fig. 12 is a schematic structural view of a first mounting plate and a second mounting plate mounted on a door body according to an embodiment of the present invention;

FIG. 13 is a schematic structural diagram of a third mounting plate mounted on the box according to an embodiment of the present invention;

FIG. 14 is a schematic view of a built-in lock according to an embodiment of the present invention;

fig. 15 is a schematic diagram illustrating a change in position of a locking tongue of a built-in lock according to an embodiment of the present invention from a locked position to an unlocked position;

fig. 16 is a schematic view of a first perspective structure of a position limiting assembly according to an embodiment of the present invention;

fig. 17 is a schematic structural view of a second view angle of the position limiting assembly according to the embodiment of the present invention;

fig. 18 is a schematic structural view of a position limiting rod of the position limiting assembly in an open position according to an embodiment of the present invention;

fig. 19 is a schematic structural view of a position limiting rod of the position limiting assembly according to the embodiment of the present invention in a locked position.

Reference numerals: 100. a box body; 110. a third mounting plate; 120. a limiting column; 130. a guide plate; 140. a first lock nose; 200. a door body; 210. a first mounting plate; 211. a first positioning groove; 220. a second mounting plate; 221. a locking groove; 222. a second positioning groove; 223. a rotating shaft; 2231. a threaded hole; 2232. a bolt; 230. a second connecting plate; 240. a second lock nose; 300. a handle; 310. a handle; 320. a first connecting plate; 321. a first bar-shaped through hole; 322. a shaft sleeve; 323. a nylon washer; 324. a second strip-shaped through hole; 330. a hook is clamped; 340. a limiting plate; 341. a limiting groove; 400. a limiting rod; 410. a slide plate; 420. a sliding plate; 430. a spring; 500. a support frame; 510. a first fixing plate; 520. a second fixing plate; 521. a third protrusion; 530. a support plate; 531. a first protrusion; 532. a second protrusion; 600. a built-in lock; 610. a lock body; 620. a latch bolt; 630. a positioning frame; 631. a first positioning plate; 6311. mounting holes; 632. a second positioning plate; 633. a third connecting plate; 700. a plastic housing; 710. and (4) opening.

Detailed Description

The medical refrigerator according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to 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 those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 4, the medical refrigerator provided by the embodiment of the present invention has an approximately rectangular parallelepiped shape. The medical refrigerator is defined by a storage compartment defining a storage space and a plurality of door bodies 200 provided in the storage compartment. The storage chamber is a box 100 with an opening, the storage chamber is vertically divided into a plurality of storage spaces, and the opening of each storage space is hinged with a corresponding door body 200.

As shown in fig. 4 and 6, a side wall of the box body 100 provided by the embodiment of the invention is fixedly provided with a limiting portion and a first lock nose 140, a side wall of the door body 200 is fixedly provided with a second lock nose 240, and when the door body 200 is closed, the second lock nose 240 corresponds to the first lock nose 140, so that the first lock nose 140 and the second lock nose 240 can be connected with a padlock to lock the door body 200, thereby realizing safety management.

As shown in fig. 4 and 5, the medical refrigerator according to the embodiment of the present invention further includes a handle 300 rotatably disposed on the door 200 and a limiting portion fixedly disposed on the box 100, the handle 300 is provided with a hanging portion, the handle 300 can rotate between a first position and a second position, when the door 200 is closed and the handle 300 is located at the first position, the hanging portion is hung on the limiting portion to prevent the door 200 from rotating in the opening direction, and when the handle 300 rotates from the first position to the second position, the hanging portion is separated from the limiting portion.

In the medical refrigerator provided by the embodiment of the invention, the handle 300 is arranged on the door body 200, the hanging part is arranged on the handle 300, the box body 100 is arranged on the limit part, when the door body 200 is closed, the door body 200 can be prevented from rotating towards the opening direction by hanging the hanging part and the limit part, then the door body 200 can be locked by connecting the padlock on the first lock nose 140 and the second lock nose 240, so that the safety management is realized, when in actual operation, a user opens the padlock firstly, then only needs to hold the handle 300 and pull the handle 300 to enable the handle 300 to rotate from the first position to the second position, namely, the hanging part and the limit part are separated from each other, at the moment, the relative locking state between the door body 200 and the box body 100 is released, then the handle 300 is continuously pulled to open the door body 200, compared with the prior art, particularly when the user holds articles with one hand, the other hand can open the door body 200 by pulling the padlock 300, other parts do not need to be operated respectively, so that the operation steps are reduced, and the user experience is improved.

As shown in fig. 6 and 7, the handle 300 according to an embodiment of the present invention includes a handle 310 and a first connection plate 320 connected to an end of the handle 310, the first connection plate 320 is rotatably disposed on the door body 200, the hanging portion is fixedly disposed on the first connection plate 320, and a gap for accommodating a finger of a user is disposed between the handle 300 and the door body 200. Because handle 300 includes handle 310 and first connecting plate 320, rotates first connecting plate 320 and sets up on door body 200 to can set up the space that is used for holding user's finger between handle 310 and door body 200, when the user used, can use the palm to hold handle 310, the user of being more convenient for removes the pulling or promotes handle 310, is favorable to sparingly strength, further promotes user experience.

It should be noted that the handle 310 and the first connecting plate 320 are formed by bending a sheet metal part, specifically, the base material is cut into the structures of the handle 310 and the first connecting plate 320, and then the handle 310 is bent twice by 90 ° so that the handle 310 and the first connecting plate 320 are respectively located in different planes, so that after the first connecting plate 320 is rotatably disposed on the door body 200, a gap for accommodating fingers of a user is formed between the handle 310 and the door body 200.

In addition, because the handle 310 and the first connecting plate 320 are integrally made by cutting and bending the sheet metal part, a mold is not required to be manufactured in the earlier stage, so that the overall cost is greatly reduced.

In some embodiments, as shown in fig. 6 and 7, the position-limiting portion is the position-limiting column 120, the hanging portion is a hook 330, and when the door 200 is closed and the handle 300 is located at the first position, as shown in fig. 8, the hook 330 is hooked on the position-limiting column 120. The hook 330 is hooked with the limiting post 120, so that a limiting structure between the door body 200 and the refrigerator body 100 can be formed, the door body 200 is prevented from being opened easily, and when the hook 330 is hooked on the limiting post 120, a pulling force enabling the door body 200 to be close to the refrigerator body 100 can be formed, the door body 200 is more favorably in close contact with the refrigerator body 100, and the sealing effect of the refrigerator is improved. As shown in fig. 9, when the handle 300 rotates from the first position to the second position, the hook 330 is separated from the position-limiting column 120, so that the door 200 can be opened and articles can be stored by pulling the handle 300.

In some embodiments, as shown in fig. 6 and 12, a first mounting plate 210 is fixedly connected to the door body 200, a second connecting plate 230 is fixedly arranged on the first mounting plate 210, a second mounting plate 220 is fixedly arranged on the second connecting plate 230, the first mounting plate 210 and the second mounting plate 220 are respectively arranged on two sides of the second connecting plate 230 and perpendicular to the second connecting plate 230, a gap is arranged between the second mounting plate 220 and the door body 200, the first connecting plate 320 is rotatably arranged on the door body 200 through the second mounting plate 220, and the second locking nose 240 is fixed on the door body 200 through the first mounting plate 210. Rotate first connecting plate 320 through second mounting panel 220 and set up on door body 200, first connecting plate 320 rotates with second mounting panel 220 to be connected promptly, first connecting plate 320 does not with door body 200 direct contact, and be provided with the space between second mounting panel 220 and the door body 200, form the space between first connecting plate 320 and the door body 200 promptly, when avoiding first connecting plate 320 to rotate along with handle 310, first connecting plate 320 contacts with other parts on the lateral wall of box 100, ensure that handle 310 normally rotates, and second lock nose 240 is fixed in on door body 200 through first mounting panel 210, second lock nose 240 is fixed in on first mounting panel 210 promptly, thereby door body 200 only need with first mounting panel 210 through screw fixed connection can, need not set up too much fastener on door body 200, be favorable to whole pleasing to the eye.

It should be noted that the first mounting plate 210, the second mounting plate 220, and the second connecting plate 230 are sheet metal parts, and the above structure is formed by bending, that is, the first mounting plate 210, the second mounting plate 220, and the second connecting plate 230 are integrally formed, and the second locking nose 240 is also formed by bending the first mounting plate 210, which is beneficial to further reducing the overall cost.

In some embodiments, as shown in fig. 12, the second mounting plate 220 is fixedly provided with a rotating shaft 223, an end portion of the rotating shaft 223 is provided with a threaded hole 2231, as shown in fig. 11, the first connecting plate 320 is fixedly connected with a shaft sleeve 322, the rotating connection between the first connecting plate 320 and the second mounting plate 220 is realized by sleeving the shaft sleeve 322 on the rotating shaft 223, and after the shaft sleeve 322 is sleeved on the rotating shaft 223, as shown in fig. 5, a bolt 2232 is installed at the end portion of the rotating shaft 223, so as to form an axial limit and prevent the shaft sleeve 322 from separating from the rotating shaft 223, since the contact area between the rotating shaft 223 and the bearing is large, the degree of fitting is higher, and the overall rotating connection is stable and reliable.

In some embodiments, as shown in fig. 5, the two ends of the shaft sleeve 322 are respectively provided with a nylon washer 323, and in detail, one nylon washer 323 is firstly sleeved on the rotating shaft 223, then the shaft sleeve 322 is sleeved on the rotating shaft 223, then the other nylon washer 323 is sleeved on the rotating shaft 223, and finally the bolt 2232 (including a flat pad and an elastic pad) is screwed into the threaded hole 2231 on the rotating shaft 223, so that a stable and reliable rotating structure is formed between the first connecting plate 320 and the second mounting plate 220.

The medical refrigerator provided by the embodiment of the invention further comprises a built-in lock 600, as shown in fig. 14, the built-in lock 600 comprises a lock body 610 and a lock tongue 620 connected with the lock body 610, as shown in fig. 6, the lock body 610 is fixedly arranged relative to the first connecting plate 320, a first strip-shaped through hole is formed in the first connecting plate 320, the first strip-shaped through hole 321 extends around the rotation axis of the lock body 610, the two ends of the first strip-shaped through hole 321 in the length direction are respectively a locking position and an unlocking position, the lock tongue 620 penetrates through the first strip-shaped through hole 321, as shown in fig. 12, a locking groove 221 is formed in the second mounting plate 220, and a lock cylinder in the lock body 610 can drive the lock tongue 620 to rotate between the locking position and the unlocking position; when the door body 200 is closed, the handle 300 is located at the first position, the locking bolt 620 is located at the locking position, the locking bolt 620 is located in the locking groove 221, and when the locking bolt 620 is rotated to the unlocking position from the locking position, the locking bolt 620 is separated from the locking groove 221.

Specifically, the mortise lock 600 controls the locking tongue 620 to rotate between the locking position and the unlocking position through the key, as shown in fig. 15, when the door 200 is closed and the locking tongue 620 is at the locking position, the free end of the locking tongue 620 rotates into the locking groove 221 (position a in fig. 15) formed in the second mounting plate 220, and since the second mounting plate 220 is fixed to the door 200, the handle 300 cannot rotate at will, when the locking tongue 620 rotates from the locking position to the unlocking position, that is, the locking tongue 620 is separated from the locking groove 221 (position B in fig. 15), the position of the locking tongue 620 cannot be locked by the second mounting plate 220, so that the handle 300 can rotate from the first position to the second position, and the locking tongue 620 rotates to the position C in the drawing along with the handle 300. And can restrict the rotation stroke of spring bolt 620 through first bar through-hole 321, avoid its turned angle too big, be difficult to confirm that spring bolt 620 rotates to locking position or unblock position.

According to the medical refrigerator provided by the embodiment of the invention, the built-in lock 600 is arranged on the first connecting plate 320 so as to be matched with a padlock to form a double-lock structure, and double-lock management is needed in some mechanisms or departments, namely, one lock is managed by each person, so that the medical refrigerator cannot be easily opened by one person, and the confidentiality degree is improved.

The lock body 610 of the built-in lock 600 provided by the embodiment of the invention is a universal part purchased in the market, and the lock tongue 620 can adopt a lock tongue 620 with a sheet structure in the market or adopt a pin shaft with a cylindrical structure as the lock tongue 620, so that the overall strength can be improved, and the condition that the lock tongue 620 is bent and damaged due to overlarge force when the handle 300 is pulled is avoided.

As shown in fig. 11, a positioning frame 630 is fixedly connected to the first connecting plate 320 according to an embodiment of the present invention, a mounting hole 6311 is formed in the positioning frame 630, and the lock body 610 is fixed in the mounting hole 6311. As shown in fig. 6 and 14, the lock body 610 is fixed to the positioning frame 630 by providing the positioning frame 630 on the first connecting plate 320, and the free end of the locking tongue 620 connected to the lock body 610 passes through the first through-bar hole 321 on the first connecting plate 320, so that the free end of the locking tongue 620 can enter the locking groove 221, and the handle 300 is locked.

In some embodiments, as shown in fig. 11, the positioning frame 630 includes a first positioning plate 631 and a second positioning plate 632 that are parallel to each other, the first positioning plate 631 and the second positioning plate 632 are fixedly connected through a third connecting plate 633, a gap is provided between the first positioning plate 631 and the first connecting plate 320, the mounting hole 6311 is disposed on the first positioning plate 631, and the second positioning plate 632 and the hook 330 have the same structure and are attached to each other. As shown in fig. 6, a gap is formed between the first positioning plate 631 and the first connecting plate 320, so that the lock body 610 is located in the gap, and only the locking bolt 620 needs to penetrate through the first connecting plate 320, and therefore, a large accommodating hole does not need to be formed in the first connecting plate 320, which is beneficial to improving the overall strength of the first connecting plate 320, and the second positioning plate 632 is arranged to have the same structure as the hook 330 and to be attached to and fixed with each other, so that the strength of the hook 330 is increased.

As shown in fig. 13, the third mounting plate 110 is fixedly connected to the side wall of the box body 100, the limiting column 120 is fixed to the third mounting plate 110, the limiting column 120 is perpendicular to the third mounting plate 110, and the first locking nose 140 is fixed to the third mounting plate 110. Through the lateral wall fixed connection with third mounting panel 110 and box 100, spacing post 120 and first lock nose 140 all are fixed in on third mounting panel 110 to avoid setting up too much connection structure on the lateral wall of box 100, be favorable to wholly pleasing to the eye.

It should be noted that the third mounting plate 110 is also cut from sheet metal and bent to form the first lock nose 140, which is beneficial to reducing the cost.

The door 200 of the present invention is provided with a limiting assembly, when the door 200 is separated from the cabinet 100, as shown in fig. 10, the limiting assembly is used to keep the handle 300 at the second position, and when the door 200 is closed, the handle 300 can rotate from the second position to the first position. Because the handle 300 can rotate between the first position and the second position, when the door is opened, the user rotates the handle 300 from the first position to the second position, and then continues to pull the handle 300 to open the door body 200, because the door body 200 is provided with the limiting component, after the door body 200 is separated from the box body 100, the limiting component can fix the handle 300 at the second position, when the door needs to be closed, the user can directly push the handle 300 to close the door, at the moment, the pushing force applied on the handle 300 by the user can directly act on the door body 200 to enable the door body 200 to rotate towards the closing direction, when the door body 200 is closed, the limiting component can release the limiting of the handle 300, so that the handle 300 can rotate towards the first position from the second position, thereby the hanging part on the handle 300 can be smoothly hung with the limiting part, the locking of the door body 200 is realized, and the door closing is avoided, the user pushes the door body 200 to rotate towards the closing direction with force on the one hand, and the handle 300 is kept at the second position with force on the other hand, so that the user can operate more conveniently, and when the door body 200 is prevented from being closed, parts on the door body 200 and parts on the box body 100 collide with each other, and the service life of the parts is prolonged.

In some embodiments, the limiting component includes a limiting member disposed on the door body 200, the limiting member is movable between a locking position and an opening position relative to the door body 200, when the limiting member is in the locking position, the limiting member locks the handle 300 at the second position, and when the limiting member is in the opening position, the handle 300 is unlocked; the elastic piece can enable the limiting piece to move to the locking position when the door body 200 is opened; the guide member is disposed on a side wall of the box 100, and when the door 200 rotates in a closing direction, the guide member enables the limiting member to move to the opening position, so that the elastic member is compressed, and when the door 200 is closed, the limiting member moves to the opening position.

The limiting assembly provided by the embodiment of the invention comprises a limiting piece which can move relative to a door body 200, the handle 300 is locked at a second position or unlocked when the limiting piece moves to a locking position or an opening position, when the door body 200 is opened, the limiting piece moves to the locking position through an elastic piece, when the door body 200 rotates towards a closing direction, the limiting piece moves towards the opening position through a guide piece and compresses the elastic piece, when the door body 200 is closed, the limiting piece moves to the opening position, when a user opens the door, the handle 300 is pulled to open the door body 200, the limiting piece can move to the locking position through the elastic piece, so that the handle 300 is locked at the second position, when the door is closed, the user only needs to push the handle 300 to rotate the door body 200 towards the closing direction, the guide part can move the limiting piece towards the opening position, when the door body 200 is closed, the limiting piece moves to the opening position, continuing to push handle 300, can making handle 300 rotate to the primary importance by the second place to realize the locking of door body 200, in the whole operation process, the user only need push or pull handle 300 can, need not carry out other operations, easy operation is convenient.

In some embodiments, the limiting member may be rotatably disposed on the door body 200 or slidably disposed on the door body 200, and when the limiting member is rotatably disposed on the door body 200, the limiting member may be hooked with the handle 300 through a structure such as a hook, so as to fix the handle 300 at the second position, thereby limiting the rotation of the handle 300, and when the limiting member is slidably disposed on the door body 200, the limiting member may be inserted into the handle 300 through a structure such as a limiting rod 400, thereby limiting the rotation of the handle 300.

In some embodiments, as shown in fig. 15, the limiting member includes a limiting rod 400 slidably disposed on the door body 200 and a sliding plate 410 fixed to the limiting rod 400, as shown in fig. 16, the limiting rod 400 is slidably mounted between the first mounting plate 210 and the second mounting plate 220 through a supporting frame 500, the supporting frame 500 includes a first fixing plate 510 and a second fixing plate 520 parallel to each other, the first fixing plate 510 and the second fixing plate 520 are fixedly connected through a supporting plate 530, the first fixing plate 510 and the second fixing plate 520 are both provided with through holes, the limiting rod 400 is inserted into the through holes, and the sliding plate 410 is disposed between the first fixing plate 510 and the second fixing plate 520, so that the limiting rod 400 can slide along an axial direction of the through holes.

As shown in fig. 15, the supporting plate 530 is provided with a first protrusion 531 and a second protrusion 532 at two edges along the vertical direction, as shown in fig. 12, the first mounting plate 210 is provided with a first positioning groove 211, a notch of the first positioning groove 211 is disposed upward, the second mounting plate 220 is provided with a second positioning groove 222, a notch of the second positioning groove 222 is disposed downward, the first protrusion 531 is inserted into the first positioning groove 211, the second protrusion 532 is inserted into the second positioning groove 222, and the supporting plate 530 is disposed between the first mounting plate 210 and the second mounting plate 220. Through set up first arch 531 and second arch 532 on backup pad 530, peg graft each other with first constant head tank 211 and second constant head tank 222 respectively, because notch one of first constant head tank 211 and second constant head tank 222 sets up, one sets up down, thereby correspond first arch 531 and second arch 532 on the backup pad 530 and insert first constant head tank 211 and second constant head tank 222 back respectively, can restrict the displacement of backup pad 530 along vertical direction, backup pad 530 sets up between first mounting panel 210 and second mounting panel 220 simultaneously, and through the constant head tank location, thereby realize that backup pad 530 is fixed in between first mounting panel 210 and the second mounting panel 220, and need not use fasteners such as screw to connect between support frame 500 and first mounting panel 210 and the second mounting panel 220, make overall structure compacter.

As shown in fig. 11, a limiting plate 340 is fixed to the first connecting plate 320 according to the embodiment of the present invention, a limiting groove 341 is formed in the limiting plate 340, as shown in fig. 13, the guiding member is a guiding plate 130, the guiding plate 130 is obliquely disposed, an edge of the guiding plate 130 close to the front side of the box 100 is lower than an edge close to the rear side of the box 100, as shown in fig. 19, when the door body 200 is opened, the limiting rod 400 is in the locking position, the elastic member enables the limiting rod 400 to be inserted into the limiting groove 341, when the door body 200 rotates in the closing direction, the sliding plate 410 contacts with the guiding plate 130, the door body 200 continues to rotate in the closing direction, the sliding plate 410 slides along the guiding plate 130, and drives the limiting rod 400 to slide from the locking position to the opening position, that is, to slide upward, as shown in fig. 18, when the door body is closed, the stopper rod 400 is separated from the stopper groove 341, the elastic member is compressed, and when the door body 200 is opened again, the sliding plate 410 is separated from the guide plate 130, and the elastic member is reset to slide the stopper rod 400 toward the locking position, that is, the stopper rod 400 is inserted into the stopper groove 341 again.

In some embodiments, as shown in fig. 16, a sliding plate 420 is disposed on one side edge of the sliding plate 410 close to the guide plate 130, and as shown in fig. 18, the sliding plate 420 and the guide plate 130 are parallel to each other. By providing the sliding plate 420 parallel to the guide plate 130 at the edge of the sliding plate 410, surface-to-surface contact is formed between the sliding plate 420 and the guide plate 130, so that relative sliding between the sliding plate 420 and the guide plate 130 is more likely to occur.

In some embodiments, as shown in fig. 17, the elastic member includes a spring 430, the spring 430 is sleeved on the limiting rod 400, the limiting rod 400 penetrates the sliding plate 410, the spring 430 abuts between the sliding plate 410 and the first fixing plate 510, and the first fixing plate 510 is disposed above the second fixing plate 520. Adopt spring 430 as the elastic component, it is more common in the market, be convenient for change, locate the gag lever post 400 on spring 430 cover, and spring 430 upper and lower both ends respectively butt in between first fixed plate 510 and slide 410, as shown in fig. 18, thereby when slide plate 420 slides along deflector 130, and drive slide 410 and gag lever post 400 upwards slide, slide 410 can compress spring 430, after door body 200 opens, slide plate 420 and deflector 130 separate, the restoring force of spring 430 makes gag lever post 400 slide downwards and insert in spacing groove 341, with handle 300 locking in second position department.

In some embodiments, as shown in fig. 6, the first connecting plate 320 is provided with a second through bar hole 324, the second through bar hole 324 extends around the rotation axis of the handle 300, that is, around the axis of the rotating shaft 223, as shown in fig. 16, the second fixing plate 520 is provided with a third protrusion 521, and the third protrusion 521 extends into the second through bar hole 324. The third protrusion 521 extends into the second bar-shaped through hole 324, so that the rotation angle of the handle 300 can be limited.

As shown in fig. 6, when the door 200 is closed and the padlock and the built-in lock 600 are locked, as shown in fig. 8, the handle 300 is at the first position, the user may open the padlock and remove the padlock, then turn the built-in lock 600, as shown in fig. 15, separate the locking tongue 620 from the locking groove 221 (position B in fig. 15), so that the locking tongue 620 is at the unlocking position, the handle 300 is at the unlocking state, and pull the handle 300, as shown in fig. 9, so that the handle 300 is rotated from the first position to the second position, i.e., the hook 330 is separated from the position-limiting post 120, and at the same time, the locking tongue 620 is rotated to position C in fig. 15, at this time, the door 200 is at the unlocking state, and continue to pull the handle 300, so that the door 200 is opened, at this time, as shown in fig. 10, the sliding plate 420 is separated from the guiding plate 130, the spring 430 is reset, so as to drive the position-limiting rod 400 to slide downwards and be inserted into the position-limiting groove 341, the handle 300 is locked at the second position, after the articles are stored, the user directly pushes the handle 300, since the handle 300 is locked, the pushing force directly acts on the door body 200 to rotate the door body 200 in the closing direction, after the sliding plate 420 contacts with the guide plate 130, the handle 300 is continuously pushed, the sliding plate 420 slides along the guide plate 130 and drives the sliding plate 410 and the limit rod 400 to slide upwards, the spring 430 is compressed, when the door body 200 is closed, as shown in fig. 9, the limit rod 400 is separated from the limit groove 341, the handle 300 is in the unlocking state, the handle 300 is continuously pushed, the handle 300 is rotated from the second position to the first position, as shown in fig. 8, the hook 330 is hooked on the limit post 120, then the hidden lock 600 is locked by the key, as shown in fig. 15, the lock tongue 620 is rotated to the locking position, namely, enters the locking groove 221 (position a in fig. 15), the handle 300 is locked at the first position, finally, the padlock is hung on the first lock nose 140 and the second lock nose 240 and locked.

As shown in fig. 5, a plastic casing 700 is sleeved on the handle 300 according to the embodiment of the present invention, an opening 710 is formed in the plastic casing 700, and when the handle 300 rotates from the second position to the first position, the limiting post 120 enters the plastic casing 700 through the opening 710 and is hooked with the hook 330. Because aforementioned handle 300 is the sheet metal component through cutting out and bending type, the border of sheet metal component is comparatively hard, and when the hand was held, it is not good to feel, through the cover is equipped with a plastic casing 700 on handle 300 to can all locate plastic casing 700 with other parts on the first connecting plate 320 inside, feel when making the user use better, and be favorable to wholly pleasing to the eye.

In some embodiments, the plastic casing 700 is provided with a locking hole for allowing the key hole of the combination lock 600 to be disposed at the locking hole, thereby facilitating a user to open or lock the combination lock 600.

In some embodiments, the plastic case 700 may include a front case fixedly coupled to the first coupling plate 320 by screws, and a rear case coupled to the front case only and coupled to the handle 310 with the handle 310 interposed therebetween and then fixedly coupled by screws, wherein the opening 710 is formed on the front case to cover a portion of the first coupling plate.

The handle 300 provided by the embodiment of the invention is made of a sheet metal part through cutting and bending, and is matched with the plastic shell 700, compared with a handle part made of a cast aluminum material in the prior art, the handle part does not need a manufacturing die, so that the integral production cost can be greatly reduced on the premise of ensuring the hand feeling of a user.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A medical cooler, comprising:

the handle is rotatably arranged on the door body, a hanging part is arranged on the handle, the handle can rotate between a first position and a second position, when the door body is closed and the handle is positioned at the first position, the hanging part is hung on the limiting part to prevent the door body from rotating towards the opening direction, and when the handle rotates from the first position to the second position, the hanging part is separated from the limiting part; the handle comprises a handle and a first connecting plate connected to the end part of the handle, the first connecting plate is rotatably arranged on the door body, the hanging part is fixedly arranged on the first connecting plate, and a gap for accommodating fingers of a user is formed between the handle and the door body;

the first mounting plate is fixedly connected to the door body, a second connecting plate is fixedly arranged on the first mounting plate, a second mounting plate is fixedly arranged on the second connecting plate, the first mounting plate and the second mounting plate are respectively arranged on two sides of the second connecting plate, a gap is arranged between the second mounting plate and the door body, the first connecting plate is rotatably arranged on the door body through the second mounting plate, and the second lock nose is fixed on the door body through the first mounting plate;

the built-in lock comprises a lock body and a lock tongue connected with the lock body, wherein the lock body is relatively fixed on a first connecting plate, a first strip-shaped through hole is formed in the first connecting plate, the first strip-shaped through hole extends around the rotation axis of the lock body, the two ends of the first strip-shaped through hole in the length direction are respectively a locking position and an unlocking position, the lock tongue penetrates through the first strip-shaped through hole, a locking groove is formed in a second mounting plate, and a lock cylinder in the lock body can drive the lock tongue to rotate between the locking position and the unlocking position;

when the door body is closed, the handle is located the first position, just the spring bolt is located during the locking position, the spring bolt is in locking inslot, works as the spring bolt by the locking position rotates extremely during the unblock position, the spring bolt with locking groove separation.

2. The medical refrigerator of claim 1, wherein the limiting portion is a limiting post, the hooking portion is a hook, and when the door body is closed and the handle is located at the first position, the hook hooks onto the limiting post.

3. The medical refrigerator of claim 2, wherein the first connecting plate is fixedly connected with a positioning frame, the positioning frame is provided with a mounting hole, and the lock body is fixed in the mounting hole.

4. The medical refrigerator of claim 3, wherein the positioning frame comprises a first positioning plate and a second positioning plate, the first positioning plate is fixedly connected with the second positioning plate through a third connecting plate, a gap is formed between the first positioning plate and the first connecting plate, the mounting hole is formed in the first positioning plate, and the second positioning plate is identical in structure and fixed to the hook in a mutually-fitted mode.

5. The medical refrigerator of claim 2, wherein a third mounting plate is fixedly connected to the box body, and the limiting post and the first locking nose are both fixed to the third mounting plate.

6. The medical refrigerator as claimed in any one of claims 1 to 5, wherein the door body is provided with a limiting component, when the door body is separated from the refrigerator body, the limiting component is used for keeping the handle at the second position, and when the door body is closed, the handle can rotate from the second position to the first position.

7. The medical cooler of claim 6, wherein the limiting assembly includes a limiting member disposed on the door body, the limiting member being movable relative to the door body between a locked position and an unlocked position, the limiting member locking the handle at the second position when the limiting member is in the locked position, the handle being unlocked when the limiting member is in the unlocked position;

the elastic piece can enable the limiting piece to move to the locking position when the door body is opened;

the guide piece is arranged on the box body, when the door body rotates towards the closing direction, the guide piece can enable the limiting piece to move towards the opening position, so that the elastic piece is compressed, and when the door body is closed, the limiting piece moves to the opening position.

8. The medical refrigerator of claim 7, wherein the position limiting member comprises a position limiting rod slidably disposed on the door body and a sliding plate fixed on the position limiting rod, the guiding member is a guiding plate, the guiding plate is obliquely disposed, the edge of the guiding plate close to the front side of the refrigerator body is lower than the edge of the guiding plate close to the rear side of the refrigerator body, a position limiting plate is fixed on the first connecting plate, a position limiting groove is formed in the position limiting plate, when the position limiting rod is in the locking position, the elastic member enables the position limiting rod to be inserted into the position limiting groove, when the door body rotates in the closing direction, the sliding plate is in contact with the guiding plate, the door body continues to rotate in the closing direction, the sliding plate slides along the guiding plate and drives the position limiting rod to slide from the locking position to the opening position, and the elastic member is compressed, when the door body is closed, the limiting rod is separated from the limiting groove.

9. The medical refrigerator of claim 1, wherein the first connecting plate is provided with a second strip-shaped through hole, the second strip-shaped through hole extends around the rotation axis of the handle, the door body is relatively fixed with a protrusion, and the protrusion extends into the second strip-shaped through hole.

10. The medical refrigerator of claim 1, wherein a plastic casing is sleeved on the handle, an opening is arranged on the plastic casing, and when the handle rotates from the second position to the first position, the limiting part enters the plastic casing through the opening and is hooked by the hanging part.