CN112878815B - Flat-open cold storage door - Google Patents
Flat-open cold storage door Download PDFInfo
- Publication number
- CN112878815B CN112878815B CN202110148855.9A CN202110148855A CN112878815B CN 112878815 B CN112878815 B CN 112878815B CN 202110148855 A CN202110148855 A CN 202110148855A CN 112878815 B CN112878815 B CN 112878815B
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- Prior art keywords
- lock
- pin
- door
- movable pin
- locking
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0042—For refrigerators or cold rooms
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C1/00—Fastening devices with bolts moving rectilinearly
- E05C1/02—Fastening devices with bolts moving rectilinearly without latching action
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
Abstract
The invention discloses a side-hung cold storage door, and belongs to the technical field of refrigeration equipment. The door mainly comprises a door frame and a door body, a locking piece is arranged on the door body, an emergency mechanism is arranged on the door frame corresponding to the locking piece, the locking piece comprises a lock shell fixed in the door body, a lock pin arranged in the lock shell in a sliding mode, a movable pin connected with the lock pin, an unlocking piece arranged on the movable pin and used for locking the movable pin on the lock pin and arranged in the lock shell in a sliding mode, when the lock pin is locked on the door body and the movable pin is locked on the lock pin, the movable pin can be inserted into the door frame to lock the door body, the unlocking piece can enable the movable pin to be unlocked with the lock pin when abutting against the locking piece, the emergency mechanism is used for personnel operation in a cooling chamber, when the door body is locked on the door frame, the emergency mechanism can enable the unlocking piece to abut against the locking piece by rotating, and the movable pin can slide on the lock pin, so as to unlock the door body. The side-hung refrigerator door can enable trapped people to be unlocked from the interior of a refrigerator.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a side-hung cold storage door.
Background
The cold storage is a warehouse which utilizes a cooling facility to create proper humidity and low temperature conditions, and is also called a cold storage, a freezing storage or a freezing storage, and can prolong the storage period of products so as to adjust market supply. The current partial cold storage door adopts a flat door structure, namely, a door body is hinged with a door frame through a hinge, the door body can rotate relative to the door frame, the door body is locked on the door frame by adopting a lockset outside the cold storage door so as to achieve the purpose of theft prevention, and the current cold storage door cannot be opened from the inside when the door body is reversely locked from the outside due to the lockset outside the cold storage door, so that personnel in the cold storage can be locked in the cold storage due to negligence, and the life threat to trapped personnel is caused.
It is therefore desirable to provide a side hung refrigerator door that addresses the above problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a flat-open cold storage door can make stranded personnel unlock from the freezer is inside to solve cold storage door back locking, lead to the interior personnel's of door problem stranded.
The technical scheme adopted by the invention for solving the technical problems is as follows: a side-hung cold storage door comprises a door frame and a door body hinged on the door frame; the door body is provided with a locking piece, the door frame is provided with an emergency mechanism corresponding to the locking piece, the locking piece comprises a lock shell fixed in the door body, a lock pin arranged in the lock shell in a sliding manner, a movable pin connected with the lock pin, a locking piece arranged on the movable pin and used for locking the movable pin on the lock pin, and an unlocking piece arranged in the lock shell in a sliding manner, when the lock pin is locked on the door body and the movable pin is locked on the lock pin, the movable pin can be inserted on the door frame to lock the door body on the door frame, the unlocking piece can release the locking relation between the movable pin and the lock pin when abutting against the locking piece, the emergency mechanism is used for personnel operation in a cold storage, when the door body is locked on the door frame, the emergency mechanism is rotated to enable the unlocking piece to abut against the locking piece, and the movable pin can slide on the lock pin, so that the door body is unlocked.
Furthermore, one side of the door body is hinged to the door frame through a hinge.
Furthermore, a first cavity used for matching the lock pin to slide in the lock shell and a second cavity used for matching the unlocking piece to slide in the lock shell are formed in the lock shell.
Furthermore, a sliding hole is formed in the lock pin corresponding to the movable pin, the movable pin is slidably mounted in the sliding hole, a clamping groove is formed in the side wall of the sliding hole corresponding to the locking piece, and the lock pin is slidably mounted in the first cavity.
Furthermore, a tapered end in a wedge-shaped structure is fixedly installed at one end of the movable pin, a disengaging surface which obliquely rises along the axial direction of the movable pin is arranged on the tapered end, a groove which is used for matching the unlocking piece to do linear reciprocating motion on the movable pin is formed in the movable pin, and the locking piece further comprises a first elastic piece which is arranged at the bottom of the sliding hole and used for resisting the movable pin to move towards the position close to the lock pin.
Furthermore, the locking piece is including being fixed in the pedestal on the movable pin, locating a plurality of elastic arms on the pedestal and locating the block portion that is used for block in the draw-in groove on the elastic arm, and a plurality of elastic arms distribute on the pedestal along the circumference of pedestal, the length direction of elastic arm forms the contained angle with the axial of pedestal.
Further, the piece that unlocks is roughly sleeve column structure, the axial that unlocks along the piece that unlocks is equipped with the push rod on the piece that unlocks, corresponds the recess on the inside wall of piece that unlocks and is equipped with the slider, in the second cavity is located to the piece that unlocks slidable to slider slidable mounting is in the recess, the locking piece is still including being used for resisting the third elastic component that unlocks towards being close to the locking piece motion.
Furthermore, the emergency mechanism is arranged on the door frame and at a position opposite to the locking piece when the door body is closed on the door frame, and the emergency mechanism comprises a shaft, a locking disc and a cam, wherein the locking disc and the cam are arranged on the shaft.
Furthermore, the edge of the lock disc is provided with a wedge-shaped lock opening corresponding to the lock head on the movable pin, the lock opening is provided with a guide surface for guiding the lock head to be separated from the lock opening, the side wall of the shaft hole of the lock disc is provided with a delay groove for enabling a circumferential gap to be generated between the shaft and the lock disc, the cam is fixed on the shaft, and when the door body is closed on the door frame, the cam is rotated to enable the unlocking piece to slide on the lock shell.
Furthermore, the side hung cold storage door further comprises a lockset which is arranged outside the door body and used for locking the lock pin on the door body.
The invention has the beneficial effects that: the invention relates to a side-hung refrigeration house door which comprises a door frame and a door body, wherein a locking piece is arranged on the door body, an emergency mechanism is arranged on the door frame corresponding to the locking piece, the locking piece comprises a lock shell fixed in the door body, a lock pin arranged in the lock shell in a sliding manner, a movable pin connected with the lock pin, a locking piece arranged on the movable pin and used for locking the movable pin on the lock pin, and an unlocking piece arranged in the lock shell in a sliding manner, the unlocking piece can release the locking relation between the movable pin and the lock pin when abutting against the locking piece, the emergency mechanism is used for operating personnel in a refrigeration house, when the door body is locked on the door frame, the unlocking piece can abut against the locking piece by rotating the emergency mechanism, and the movable pin can slide on the lock pin, so that the trapped personnel can unlock the door body from the interior of the refrigeration house.
Drawings
The invention is further illustrated by the following figures and examples.
In the figure: FIG. 1 is a perspective view of a side hung cold storage door of the present invention;
FIG. 2 is an exploded view of an emergency mechanism and locking member of the side hung refrigeration door of the present invention;
FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 1 and showing the side hung refrigerator door of the present invention in a locked condition;
FIG. 4 is a cross-sectional view taken along the line B-B in FIG. 1 and showing the side hung refrigerator door of the present invention in a locked condition;
FIG. 5 is a schematic view of the latch of FIG. 2;
FIG. 6 is a schematic view of the lock housing of the lockout member of FIG. 2;
FIG. 7 is a schematic illustration of the movable pin of the latch of FIG. 2;
FIG. 8 is a schematic view of the locking member of FIG. 2;
FIG. 9 is a schematic view of the release member of the latch of FIG. 2;
FIG. 10 is a schematic view of the engagement of the moveable pin with the locking member and the unlocking member of the lockout member of FIG. 2;
FIG. 11 is an exploded view of the emergency mechanism of FIG. 2 with a hand wheel omitted;
FIG. 12 is a schematic view of the side hung refrigeration door of FIG. 3 in an unlocked state;
FIG. 13 is a schematic view of the side hung refrigeration door of FIG. 4 in an unlocked state;
1. a door frame; 10. an emergency mechanism; 11. a shaft; 12. a lock disc; 121. locking the opening; 1211. a guide surface; 122. a delay tank; 13. a cam; 14. a hand wheel;
2. a door body; 20. a locking member; 21. a lock case; 211. a first chamber; 212. a window; 213. a second chamber; 214. a chute; 215. a holding portion; 216. a limiting part; 22. a lock pin; 221. a slide hole; 222. a card slot; 223. a locking plate; 23. a movable pin; 231. a lock head; 2311. removing the noodles; 232. fixing grooves; 233. a groove; 234. a slide base; 24. a locking member; 241. a base body; 242. a resilient arm; 243. a fastening part; 25. unlocking the lock; 251. a push rod; 252. a slider; 26. a first elastic member; 27. a second elastic member; 28. a third elastic member;
3. a lock device.
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
As shown in fig. 1, the invention provides a side-hung cold storage door, which comprises a door frame 1, a door body 2 hinged to the door frame 1, and a lockset 3 arranged outside the door body 2 and used for locking the door body 2 on the door frame 1.
As shown in fig. 1, one side of the door body 2 is hinged to the door frame 1 through a hinge, as shown in fig. 2, a lock nose 21 is fixedly mounted on the outer end surface of the door body 2 corresponding to the lock 3, and particularly, the lock nose 21 is provided with a lock hole corresponding to the lock 3.
Referring to fig. 2 and 3, in order to open the door 2 from the inside of the door 2 when the door 2 is locked, a lock member 20 is provided inside the door 2, and an emergency mechanism 10 is provided on the door frame 1 corresponding to the lock member 20.
Referring to FIG. 2, the lockout member 20 includes a housing 21, a locking pin 22 slidably disposed within the housing 21, a movable pin 23 coupled to the locking pin 22, a locking member 24 disposed on the movable pin 23 for locking the movable pin 23 to the locking pin 22, and an unlocking member 25 slidably disposed within the housing 21 for sliding the movable pin 23 relative to the locking pin 22.
Referring to fig. 5, in further detail, the lock case 21 is substantially cylindrical, a first chamber 211 for engaging the lock pin 22 to slide and a second chamber 213 for engaging the unlocking member 24 to slide are formed in the lock case 21 along an axial direction of the lock case 21, and a window 212 for communicating the first chamber 211 with the outside is formed in the lock case 21 near the first chamber 211.
As shown in fig. 5, in a specific embodiment, a sliding groove 214 is formed in the lock case 21 at a side of the second chamber 213 corresponding to the unlocking element 24, a supporting portion 215 is integrally connected between the first chamber 211 and the second chamber 213 on the lock case 21, specifically, the supporting portion 215 is in an annular structure to allow the first chamber 211 to communicate with the second chamber 213, a limiting portion 216 is integrally connected to the side wall of the lock case 21 corresponding to the unlocking element 24 on the second chamber 213, and the lock case 21 is fixedly installed in the door body 2.
Referring to fig. 6, the lock pin 22 is a cylindrical structure adapted to the shape of the first cavity 211 of the lock case 21, one end of the lock pin 22 is provided with a sliding hole 221 corresponding to the movable pin 23, a clamping groove 222 is provided on the lock pin 22 and located on a side wall of the sliding hole 221 along the circumferential direction of the lock pin 22, and the clamping groove 222 is substantially annular; the outer side wall of the lock pin 22 is integrally connected with a lock plate 223, and specifically, the lock plate 223 has a lock hole corresponding to the lock 3. Referring to fig. 3, the lock pin 22 is slidably received in the first chamber 211 of the lock case 21, and the locking piece 223 of the lock pin 22 passes through the window 212 of the lock case 21 and is opposite to the nose 21 of the door body 2, so that the lock pin 22 can be fixed relative to the door body 2 by the lock 3 when the locking piece 223 is close to the nose 21.
Referring to fig. 7, the movable pin 23 has a substantially cylindrical structure, a tapered end 231 having a wedge-shaped structure is fixedly installed at one end of the movable pin 23, and a disengaging surface 2311 which obliquely rises along the axial direction of the movable pin 23 is formed on the tapered end 231; the movable pin 23 is provided with a groove 233 used for matching the unlocking piece 25 to make linear sliding, the length direction of the groove 233 is arranged along the length direction of the movable pin 23, the grooves 233 are arranged in a plurality in the embodiment, and the grooves 233 are uniformly distributed on the movable pin 23 along the circumferential direction of the movable pin 23.
In a specific embodiment, as shown in fig. 3, the movable pin 23 is provided with a fixing groove 232 for positioning the locking member 24 on the movable pin 23, in this embodiment, the fixing groove 232 is an annular groove; a sliding seat 234 for driving the movable pin 23 to reciprocate linearly on the lock pin 22 is fixedly installed on the movable pin 23, the movable pin 23 is accommodated in the lock case 21, and the sliding seat 234 on the movable pin 23 is slidably installed in the sliding hole 221 of the lock pin 22, so that the movable pin 23 can reciprocate linearly in the axial direction of the lock pin 22, and the lock head 231 on the movable pin 23 can move to the outside of the lock case 21.
As shown in fig. 3, in a specific embodiment, the locking member 20 further includes a first elastic member 26, the first elastic member 26 is accommodated in the bottom of the sliding hole 221 of the locking pin 22, and two ends of the first elastic member 26 respectively abut against one end of the sliding seat 234 and the bottom of the sliding hole 221, in this embodiment, the first elastic member 26 is a compression spring.
Referring to fig. 8, the locking element 24 is substantially in a ring structure, the locking element 24 includes a base 241, a plurality of elastic arms 241 disposed on the base 241, and an engaging portion 243 disposed on the elastic arms 241, the base 241 is substantially in a sleeve structure, the plurality of elastic arms 242 are uniformly and alternately distributed at one end of the base 241 along a circumferential direction of the base 241, and a length direction of the elastic arms 242 forms an outward included angle α with an axial direction of the base 241, in the present embodiment, α is 9 °, the elastic arms 242 are made of a spring steel material, and in other embodiments not shown, the elastic arms 242 may also be made of other elastic materials; the plurality of engaging portions 243 are integrally connected to one end of each elastic arm 242 away from the seat body 241 in a one-to-one correspondence manner, the engaging portions 243 are convex, the shape of the engaging portions 243 is adapted to the shape of the engaging grooves 222 on the lock pin 22, a protruding structure adapted to the shape of the fixing groove 232 on the movable pin 23 is provided on the inner wall of the seat body 241, the seat body 241 is positioned in the fixing groove 232 of the movable pin 23 through the protruding structure, so that the locking member 24 is fixed on the movable pin 23, and in other embodiments not shown, the locking member 24 may also be fixedly connected with the movable pin 23 through other fixing manners such as welding, fasteners, and the like.
As shown in fig. 8, in a specific embodiment, the locking member 20 further includes a second elastic member 27, the second elastic member 27 abuts against the inner side of the engaging portion 243, so that the engaging portion 243 can be more closely attached to the sidewall of the sliding hole 221 on the lock pin 22, in this embodiment, the second elastic member 27 is a radial spring.
Referring to fig. 3, when the engaging portion 243 of the locking member 24 abuts against the engaging groove 222 of the lock pin 22, the locking member 24 is axially retained on the lock pin 22, and the movable pin 23 is fixed relative to the lock pin 22, referring to fig. 12, and when the engaging portion 243 of the locking member 24 is disengaged from the engaging groove 222 of the lock pin 22, the movable pin 23 can move linearly relative to the lock pin 22.
As shown in fig. 9, the unlocking member 25 is substantially in a sleeve-shaped structure, a push rod 251 is fixedly installed at the outer side of the unlocking member 25 along the axial direction of the unlocking member 25, a plurality of slide blocks 252 for matching the unlocking member 25 to make linear motion on the movable pin 23 are disposed on the inner side wall of the unlocking member 25, the plurality of slide blocks 252 are disposed on the slide blocks 252, and the plurality of slide blocks 252 are distributed on the slide blocks 252 along the circumferential direction of the unlocking member 25, referring to fig. 3, the unlocking member 25 is slidably disposed in the second chamber 213 of the lock case 21, the push rod 251 on the unlocking member 25 is accommodated in the sliding groove 214, the unlocking member 25 can move into the first chamber 211 through the holding portion 215, and the push rod 251 can move to the outside of the lock case 21.
Referring to fig. 2 and 3, in a specific embodiment, the locking member 20 further includes a third elastic member 28, referring to fig. 3, the third elastic member 28 is sleeved on the unlocking member 25, one end of the third elastic member 28 abuts against the unlocking member 25, the other end of the third elastic member 28 abuts against the abutting portion 215, and the unlocking member 25 is elastically abutted in a direction back to the unlocking member 24, in this embodiment, the third elastic member 28 is a compression spring.
Referring to fig. 2, the emergency mechanism 10 is used for cooperating with the locking member 20 to lock the door 2 when the door 2 is closed on the doorframe 1 and unlock the door 2 when the door 2 is unlocked, the emergency mechanism 10 is located on the doorframe 1 at a position opposite to the locking member 20 when the door 2 is closed, and the emergency mechanism 10 includes a shaft 11, and a lock disk 12 and a cam 13 provided on the shaft 11.
Referring also to fig. 3, the shaft 11 is rotatably received in the door frame 1, the shaft 11 is fixed with a key for circumferentially fixing the component on the shaft, and in a specific embodiment, a hand wheel 14 for user operation is fixedly installed at one end of the shaft 11, which points to the inside of the door frame 1.
The lock disc 12 is sleeved on the shaft 11, as shown in fig. 11, the lock disc 12 is a disc-shaped structure, and a wedge-shaped locking notch 121 is formed at the edge of the lock disc 12 corresponding to the locking head 231 of the movable pin 23 and used for locking the door body 2 when the locking head 231 is inserted; and the locking notch 121 is provided with a guide surface 1211 corresponding to the releasing surface 2311 of the locking head 231, so that when the lock disc 12 rotates, a component force is applied to the releasing surface 2311 through the guide surface 1211 along the axial direction of the movable pin 23 to push the locking head 231 to be released from the doorframe 1, and the aim of unlocking is achieved through the emergency mechanism 10.
Referring to fig. 11, specifically, the lock disk 12 has a delay groove 122 formed on a side wall of a shaft hole corresponding to the shaft 11 along a circumferential direction of the lock disk 12, and more specifically, as shown in fig. 3, when the door body 2 is closed on the doorframe 1, an arc-shaped side surface of the lock disk 12 faces the lock head 231 at the end of the movable pin 23, and the key on the shaft 11 is slidably received in the delay groove 122, so that a circumferential gap is formed between the shaft 11 and the lock disk 12.
The cam 13 is fixed to the shaft 11 by a key connection, and the arc-shaped side surface of the cam 13 is opposed to the end of the push rod 251 when the door body 2 is closed on the doorframe 1.
More specifically, in the present embodiment, a torsion spring is installed between the end of the shaft 11 away from the hand wheel 14 and the door frame 1, and the shaft 11 makes the emergency mechanism 10 in the initial position shown in fig. 4 by the torsion spring, that is, when the shaft 11 is located in the initial position and the door body 2 is closed on the door frame 1, the locking notch 121 on the lock disc 12 is opposite to the lock head 231, and the key on the shaft 11 is abutted against the leftmost side of the delay slot 122 of the lock disc 12, and the edge of the cam 13 closest to the axial lead of the shaft 11 is opposite to the end of the push rod 251.
In the present embodiment, the lock 3 is a padlock, and it is understood that the lock 3 may be other lock types capable of fixing the lock plate 223 and the lock nose 21 together.
The operation of the damping device of the present invention is described below with reference to the accompanying drawings:
normally when locking door body 2 from the door body 2 outward, refer to fig. 3 and 4 and show, guarantee emergency mechanism 10 at the initial position at first, stir locking plate 223 and drive tapered end 231 and push rod 251 and move left to the leftmost end, close door body 2 back, stir locking plate 223 and make lockpin 22 to the direction removal of pointing to emergency mechanism 10, thereby make tapered end 231 of 23 tip of movable pin pass in door frame 1 inserts fore shaft 121 on lock dish 12, push rod 251 also passes door frame 1 and is close to or supports and hold in the edge of cam 13 on unlocking piece 25 simultaneously, connect locking plate 223 and lock nose 21 together through tool to lock 3 at last, make lockpin 22 immovable for door body 2, thereby make door body 2 be in the locking state.
If the door 2 is locked from the outside by the lock 3 and the person in the cold storage is locked in the cold storage, referring to fig. 12 and 13, the person only needs to rotate the hand wheel 14 clockwise in fig. 13, first the driving cam 13 rotates to force the unlocking member 24 to move leftward, when the unlocking member 24 moves leftward, the unlocking member 24 will finally move to the locking member 24, the inner side wall of the unlocking member 24 presses the outer side wall of the locking member 24, so that the elastic arm 242 is forced to deform toward the middle, the engaging portion 243 is forced to disengage from the engaging slot 222 in the lock pin 22, at the same time, the key on the shaft 11 slides along the delay slot 122 on the lock disc 12 to the rightmost side of the delay slot 122, and continues to rotate the hand wheel 14, the lock disc 12 is driven to rotate clockwise, because the movable pin 23 is released from the fixed connection with the lock pin 22 at this time, and finally the movable pin 23 and the push rod 251 make linear movement leftward together by the cooperation of the guide surface 1211 on the lock port 121 and the disengaging surface 2311 on the lock head 231, the locking head 231 is disengaged from the locking notch 121 and the door frame 1, and the push rod 251 is disengaged from the door frame 1, so that the door body 2 is unlocked. After the door body 2 is opened, under the action of the resilience of the first elastic piece 26, the movable pin 23 will move in the direction away from the lock pin 22, so that the engaging portion 243 on the locking piece 24 is re-engaged in the engaging groove 222, and the side hung refrigerator door returns to normal function.
Therefore, the side-hung refrigeration house door has the following beneficial effects:
the door body 2 is provided with a locking piece 20, the door frame 1 is provided with an emergency mechanism 10 corresponding to the locking piece 20, the locking piece 20 comprises a lock shell 21 fixed in the door body 2, a lock pin 22 arranged in the lock shell 21 in a sliding manner, a movable pin 23 connected with the lock pin 22, a locking piece 24 arranged on the movable pin 23 and used for locking the movable pin 23 on the lock pin 22, and an unlocking piece 25 arranged in the lock shell 21 in a sliding manner, the unlocking piece 25 can release the locking relation between the movable pin 23 and the lock pin 22 when being abutted against the locking piece 24, the emergency mechanism 10 is used for personnel operation in a refrigerator, when the door body 2 is locked on the door frame 1, the unlocking piece 25 can be abutted against the locking piece 24 by rotating the emergency mechanism 10, and the movable pin 23 can slide on the lock pin 22, so that trapped personnel can unlock the door body 2 from the inside the refrigerator.
In light of the foregoing description of preferred embodiments in accordance with the invention, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a flat-open cold storage door, includes the door frame and articulate in door body on the door frame, its characterized in that: the door body is provided with a locking piece, the door frame is provided with an emergency mechanism corresponding to the locking piece, the locking piece comprises a lock shell fixed in the door body, a lock pin arranged in the lock shell in a sliding manner, a movable pin connected with the lock pin, a locking piece arranged on the movable pin and used for locking the movable pin on the lock pin, and an unlocking piece arranged in the lock shell in a sliding manner, a first cavity used for matching the lock pin to slide in the lock shell and a second cavity used for matching the unlocking piece to slide in the lock shell are arranged in the lock shell, a sliding hole is formed in the lock pin corresponding to the movable pin, the movable pin is arranged in the sliding hole in a sliding manner, a clamping groove is formed in the side wall of the sliding hole corresponding to the locking piece, the locking piece is arranged in the first cavity in a sliding manner, and comprises a base body of the movable pin, a plurality of elastic arms arranged on the base body, and a clamping part arranged on the elastic arms and used for clamping in the clamping groove, the emergency mechanism comprises a shaft, a lock disc and a cam, the lock disc and the cam are arranged on the shaft, a tapered end in a wedge-shaped structure is fixedly arranged at one end of the movable pin, a wedge-shaped locking opening is arranged on the tapered end on the lock disc corresponding to the movable pin at the edge, a guide surface for guiding the tapered end to be separated from the locking opening is arranged on the lock opening, and a delay groove for generating a circumferential gap between the shaft and the lock disc is arranged on the side wall of the lock disc, the cam is fixed on the shaft, when the door body is closed on the door frame, the cam is rotated to enable the unlocking piece to slide on the lock shell, the emergency mechanism is used for personnel operation in a cold store, when the door body is locked on the door frame, the emergency mechanism is rotated to enable the unlocking piece to be abutted against the locking piece, and the movable pin can slide on the lock pin, so that the door body is unlocked.
2. A side hung refrigeration house door according to claim 1 wherein: one side of the door body is hinged to the door frame through a hinge.
3. A side hung refrigeration house door according to claim 1 wherein: the lock head is provided with a disengaging surface which obliquely rises along the axial direction of the movable pin, the movable pin is provided with a groove which is used for matching the unlocking piece to do linear reciprocating motion on the movable pin, and the locking piece further comprises a first elastic piece which is arranged at the bottom of the sliding hole and used for resisting the movable pin to move towards the locking pin.
4. A side hung refrigeration house door according to claim 3 wherein: the unlocking piece is roughly sleeve-shaped structure, the axial of unlocking piece is gone up along the unlocking piece is equipped with the push rod, corresponds the recess and is equipped with the slider on the inside wall of unlocking piece, the unlocking piece is located in the second cavity slidable to but slider slidable mounting is in the recess, the locking piece is still including being used for resisting the third elastic component that the unlocking piece moved towards being close to the locking piece.
5. A side hung refrigeration house door according to claim 1 wherein: the side hung cold storage door further comprises a lockset which is arranged outside the door body and used for locking the lock pin on the door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110148855.9A CN112878815B (en) | 2021-02-03 | 2021-02-03 | Flat-open cold storage door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110148855.9A CN112878815B (en) | 2021-02-03 | 2021-02-03 | Flat-open cold storage door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112878815A CN112878815A (en) | 2021-06-01 |
| CN112878815B true CN112878815B (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110148855.9A Active CN112878815B (en) | 2021-02-03 | 2021-02-03 | Flat-open cold storage door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112878815B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102791945A (en) * | 2010-05-28 | 2012-11-21 | 戈登·C·唐 | Easily installed and non-defacing security latch |
| WO2015023498A1 (en) * | 2013-08-16 | 2015-02-19 | The Hillman Group, Inc. | Two-piece key assembly |
| CN105822160A (en) * | 2016-05-09 | 2016-08-03 | 温州职业技术学院 | Safe lock device for horizontal sliding door of refrigeration house |
| CN107543359A (en) * | 2017-09-29 | 2018-01-05 | 无锡市海联舰船内装有限公司 | A kind of A60 levels fire prevention cold-storage door |
| CN210914903U (en) * | 2019-09-27 | 2020-07-03 | 曼隆蒂森克虏伯电梯有限公司 | Unlocking device with self-rescue function |
-
2021
- 2021-02-03 CN CN202110148855.9A patent/CN112878815B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102791945A (en) * | 2010-05-28 | 2012-11-21 | 戈登·C·唐 | Easily installed and non-defacing security latch |
| WO2015023498A1 (en) * | 2013-08-16 | 2015-02-19 | The Hillman Group, Inc. | Two-piece key assembly |
| CN105822160A (en) * | 2016-05-09 | 2016-08-03 | 温州职业技术学院 | Safe lock device for horizontal sliding door of refrigeration house |
| CN107543359A (en) * | 2017-09-29 | 2018-01-05 | 无锡市海联舰船内装有限公司 | A kind of A60 levels fire prevention cold-storage door |
| CN210914903U (en) * | 2019-09-27 | 2020-07-03 | 曼隆蒂森克虏伯电梯有限公司 | Unlocking device with self-rescue function |
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| CN112878815A (en) | 2021-06-01 |
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Address after: 213000 No.65 Xinke West Road, Luoyang Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Yuexian Refrigeration Equipment Group Co.,Ltd. Address before: 213000 No.65 Xinke West Road, Luoyang Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU YOURSHINE REFRIGERATION EQUIPMENT Co.,Ltd. |
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