CN114991605A - Connecting structure of vehicle-mounted refrigerator door - Google Patents
Connecting structure of vehicle-mounted refrigerator door Download PDFInfo
- Publication number
- CN114991605A CN114991605A CN202210593134.3A CN202210593134A CN114991605A CN 114991605 A CN114991605 A CN 114991605A CN 202210593134 A CN202210593134 A CN 202210593134A CN 114991605 A CN114991605 A CN 114991605A
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- door
- refrigerator
- door frame
- cavity
- torsion spring
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- 239000000725 suspension Substances 0.000 claims description 42
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/02—Hinges with pins with one pin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/10—Arrangements or adaptations of other passenger fittings, not otherwise provided for of receptacles for food or beverages, e.g. refrigerated
- B60N3/104—Arrangements or adaptations of other passenger fittings, not otherwise provided for of receptacles for food or beverages, e.g. refrigerated with refrigerating or warming systems
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/02—Parts for attachment, e.g. flaps
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/10—Pins, sockets or sleeves; Removable pins
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/1008—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring parallel with the pivot axis
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
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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
- F25D23/028—Details
-
- 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
- F25D23/10—Arrangements for mounting in particular locations, e.g. for built-in type, for corner type
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/10—Pins, sockets or sleeves; Removable pins
- E05D2005/102—Pins
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
- E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention belongs to the technical field of vehicle-mounted refrigerators, and particularly relates to a connecting structure of a vehicle-mounted refrigerator door. The refrigerator door body and the door frame can be conveniently and reliably installed in a narrow space, the production and assembly efficiency of the refrigerator is improved, and the attractiveness of the refrigerator in use and the stability and reliability of the refrigerator door body in use are ensured.
Description
Technical Field
The invention belongs to the technical field of vehicle-mounted refrigerators, and particularly relates to a connecting structure of a vehicle-mounted refrigerator door.
Background
In order to facilitate users to take articles, the vehicle-mounted refrigerator fixedly arranged on the floor of the passenger compartment is often an upper cover type opening, if no space is reserved above the refrigerator body for opening the door body, a side-hung door or a sliding door is often arranged on the side part of the refrigerator body, so that dirt on the ground of the passenger compartment easily enters the refrigerator cavity to pollute the storage space of the refrigerator. The applicant filed a patent application named as "vehicle-mounted refrigerator" on the same day, and disclosed a technical scheme that a boss 131 is arranged at the bottom of a door frame 13 of a side-opening refrigerator shown in fig. 1, and a downward-turning type refrigerator door 30 is arranged above the boss 131, so that when the refrigerator door 30 is opened, the top opening is large, the bottom opening is small, and the boss 131 positioned below the refrigerator door 30 can also shield the floor of a passenger compartment below an opening edge of a refrigerator cavity 11a so as to ensure the cleanness and sanitation of the refrigerator cavity 11a.
In order to obtain a larger refrigerator chamber opening for a user to observe and take articles, the plate body area between the refrigerator chamber opening edge and the boss at the bottom plate of the door frame is smaller. The base body of the finished hinge connected with the door frame is provided with an avoidance boss which can shield the opening of the refrigerator cavity and influence the arrangement of a sealing ring at the opening of the refrigerator cavity, so that the sealing effect of the refrigerator cannot be guaranteed; the hinge seat body can be exposed when the refrigerator door body is opened, so that the attractiveness of the product is affected. In addition, the bottom of the joint of the door body and the door frame is shielded by the boss, and the mounting space above the joint is narrow, so that the base of the finished hinge is difficult to mount and position.
Disclosure of Invention
The invention aims to provide a connecting structure of a vehicle-mounted refrigerator door, which is good in appearance and convenient to assemble.
In order to realize the purpose, the invention adopts the technical scheme that: the connecting structure of the vehicle-mounted refrigerator door comprises a refrigerator body, wherein an inner container is arranged in the refrigerator body, the inner container encloses a cavity for accommodating articles, a door frame is arranged at an opening at the same side of the refrigerator body and the inner container, the door frame is hinged with the bottom of a refrigerator door body through a hinge, the hinge comprises a door frame hinge seat connected with the door frame, the door frame hinge seat comprises a suspension seat body which extends outwards and convexly from the door frame, the suspension seat body comprises a torsion spring accommodating cavity with a downward opening and positioned at a suspension end, a door body hinge seat for covering the suspension seat body is arranged at the bottom of the refrigerator door body, a hinge shaft with the axis parallel to the width direction of the door frame penetrates through the side walls of the door frame hinge seat and the door body hinge seat, end spring arms of a spiral torsion spring sleeved on the hinge shaft are respectively connected with the door frame hinge seat and the door body hinge seat, and the elasticity provided by the spiral torsion spring drives the door frame hinge seat and the door body hinge seat to move in a door opening motion trend.
Compared with the prior art, the invention has the following technical effects: the convenient and reliable installation of the refrigerator door body and the door frame in a narrow space can be met, the production and assembly efficiency of the refrigerator is improved, and the attractiveness of the refrigerator during use and the stability and reliability of the use of the refrigerator door body are ensured.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic perspective view of a refrigerator door according to the present invention in a closed state;
FIG. 2 is a perspective view of the refrigerator of the present invention showing an opened state of the inner panel;
FIG. 3 is a schematic perspective view of the refrigerator door according to the present invention in an open state;
FIG. 4 is an enlarged schematic view of section A of FIG. 3;
FIG. 5 is a schematic perspective view of the door frame hinged to the inner panel of the door body;
FIG. 6 is an enlarged schematic view of portion B of FIG. 5;
FIG. 7 is a perspective view of the door body inner panel when connected to the hinge;
FIG. 8 is an enlarged schematic view of section C of FIG. 7;
fig. 9 is a perspective view illustrating a state where the door body inner panel is separated from the door frame;
FIG. 10 is an enlarged schematic view of section D of FIG. 9;
FIG. 11 is a perspective view illustrating a state where a hinge base of a door frame to which a hinge shaft and a damper are attached is coupled with a door frame;
FIG. 12 is an enlarged schematic view of section E of FIG. 11;
FIG. 13 is a schematic perspective view of the door body inner panel shown in a separated state from the door frame from another perspective view;
FIG. 14 is an enlarged schematic view of section F of FIG. 13;
FIG. 15 is a schematic perspective view of a damper in the embodiment;
FIG. 16 is a perspective view of the door frame hinge mount separated from the hinge shaft and damper;
figure 17 is a perspective view of a door frame hinge mount;
fig. 18 is a perspective view of the stop lever.
In the figure: 10. the refrigerator comprises a refrigerator body, a container groove 101, a containing groove 102, a limiting block 11, an inner container 11a chamber 13, a door frame 131, a boss 132, a mounting hole 133, a limiting hole 134, a locking notch 20, a hinge 21, a door frame hinge seat 211, a suspension seat body 211, a torsion spring containing cavity 211a, a side plate 2111, a threading hole II 2112, a torsion spring positioning plate 2113, a clamping groove I2114, a clamping groove I212, a base plate 2121, a threading hole III 213, a convex column 213, a positioning key groove 2313, a hinge seat 22a first containing cavity 22b, a second containing cavity 221, a notch 222, a limiting key groove 223, a threading hole I224, a clamping groove II 225, a limiting chamber 23, a hinge shaft 231, a shaft head 24, a damper, a 241, a connecting hole 242, a positioning key, a limiting key 243, a 26, a lock body 30, a refrigerator door body, 31, a door body inner plate 311, a containing groove 312, a spiral wire groove 40, a spiral torsion spring 50 and a spiral rod, 51. the connecting part, 52, the sliding part, 53, the limiting part, 60, the lock body, 61, the bolt, 62 and the control module.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
A connecting structure of a vehicle-mounted refrigerator door comprises a refrigerator body 10, wherein an inner container 11 is arranged in the refrigerator body 10, the inner container 11 encloses a chamber 11a for accommodating articles, and for convenience of description, an opening defining the chamber 11a is outward forward and inward backward along the normal direction of a plane where the opening is located, namely, the opening faces a user side and is forward, and the opening far away from the user side is backward. The refrigerator body 10 and the inner container 11 are provided with a door frame 13 at the same side opening, and the door frame 13 is hinged with the bottom of the refrigerator door 30 by a hinge. The hinge comprises a door frame hinge seat 21 connected with a door frame 13, the door frame hinge seat 21 comprises a suspension seat body 211 protruding outwards from the door frame 13, the suspension seat body 211 comprises a torsion spring accommodating cavity 211a with a downward opening and positioned at a suspension end, a door body hinge seat 22 covering the suspension seat body 211 is arranged at the bottom of the refrigerator door body 30, a hinge shaft 23 with the axis parallel to the width direction of the door frame 13 penetrates through the side walls of the door frame hinge seat 21 and the door body hinge seat 22, an end spring arm of a spiral torsion spring 40 sleeved on the hinge shaft 23 is respectively connected with the door frame hinge seat 21 and the door body hinge seat 22, and the elasticity provided by the spiral torsion spring 40 drives the door frame hinge seat 21 and the door body hinge seat 22 to move towards the door opening.
Therefore, when the refrigerator door 30 is opened, the spiral torsion spring 40, the hinge shaft 23 and other parts cannot be exposed out of the opening side of the door, so that the appearance is ensured, and the food dregs and the like are prevented from falling to influence the opening reliability of the hinge cleaning and the door. When the refrigerator door 30 is assembled, the door frame hinge seat 21 is arranged on the door frame 13, the refrigerator door 30 is pressed on the door frame 13, the door body hinge seat 22 covers and wraps the door frame hinge seat 21, then the spiral torsion spring 40 is arranged in the torsion spring accommodating cavity 211a, the hinge shaft 23 penetrates through the door body hinge seat 22, the door frame hinge seat 21 and the spiral torsion spring 40, and the hinged connection of the refrigerator door 30 and the door frame 13 can be completed by limiting the axial displacement of the hinge shaft 23. Only need to guarantee that the height in the pedestal below installation space of door frame hinge seat 21 is greater than the external diameter that the spiral torsion spring 40 put into the spring body in torsion spring appearance chamber 211a, specifically to in this embodiment, as shown in fig. 8, 11, 12, 16, the spring coil of spiral torsion spring 40 is put into torsion spring appearance chamber 211a, for the installation of being convenient for, the interval of door frame boss 131 and suspension pedestal 211 that is located door frame hinge seat 21 below should be greater than the spring coil external diameter of spiral torsion spring 40, so, just can realize the convenient reliable installation of the refrigerator door body, promote the production and the assembly efficiency of refrigerator, and guarantee aesthetic property and the stability and the reliability that the refrigerator door body used when the refrigerator uses. Further, the protruding dimension of the suspension seat 211 from the door frame 13 to the front side of the chamber 11a is smaller than the protruding dimension of the door frame boss 131, so that the gap between the bottom of the refrigerator door 30 and the door frame 13 can be further shielded, and dirt can be prevented from entering the chamber 11a of the refrigerator from the gap between the bottom of the door frame and the bottom of the door frame.
In this embodiment, the spiral torsion spring 40 is used to provide elastic force to drive the refrigerator door 30 to open, and in order to prevent the refrigerator door 30 from being damaged by an object located on the front side of the refrigerator door 30 due to rapid outward bouncing and impacting on the object or the refrigerator door 30 when the refrigerator door 30 is opened, a damping element can be used to limit the opening speed of the refrigerator door 30. As shown in fig. 7, 8, 10 and 12, the damper 24 is connected to the shaft body of the hinge shaft 23 located outside the suspension seat 211, and the damper 24 is in static fit with the suspension seat 211 and forms synchronous rotation fit with the door hinge seat 22. That is, the stationary part of the damper 24 is connected to the door frame hinge base 21, and the movable part is connected to the door body hinge base 22. The damper 24 used in this embodiment is as shown in fig. 15, the damper 24 is in a short column shape as a whole and is provided with a connecting hole 241 penetrating through the column body thereof and connected with the hinge shaft 23, the end of the damper 24 is provided with a positioning key 242 in limit fit with the suspension seat body 211, the peripheral wall is provided with a limit key 243 in synchronous rotation fit with the door body hinge seat 22, and the positioning key 242 and the limit key 243 are in relative rotation fit around the hole core of the connecting hole 241. That is, the damper 24 is a sleeve type, and includes an inner tube and an outer tube forming a damping fit, the end of the inner tube is provided with a positioning key 242, and the peripheral wall of the outer tube is provided with a limiting key 243.
As shown in fig. 7-12, the positioning key 242 is generally in the shape of a straight line in this embodiment for ease of assembly. The suspension seat 211 includes side plates 2111 disposed at two sides of the door frame 13 in the width direction, the side plates 2111 are provided with protruding columns 213, and the protruding columns 213 are provided with positioning key slots 2131 engaged with the linear positioning keys 242. The door body hinge seat 22 includes a first cavity 22a for accommodating the suspension seat body 211 and a second cavity 22b for accommodating the damper 24, the first cavity 22a has a downward opening, the second cavity 22b has a forward opening, and a position-limiting key slot 222 matched with the position-limiting key 243 is disposed on a rear sidewall of the second cavity 22b. The second cavity 22b is communicated with the first cavity 22a through notches 221 on adjacent side walls of the second cavity and the first cavity 22a, the convex column 213 penetrates through the notches 221 and extends towards the second cavity 22b, the front end of the positioning key groove 2131 on the convex column 213 is exposed and arranged, and the groove length direction of the positioning key groove 2131 is parallel to the groove depth direction of the limiting key groove 222. Thus, during assembly, the damper 24 is placed into the front side opening of the second cavity 22b, so that the positioning key 242 thereof is guided from the positioning key groove 2131 and pushed into the second cavity 22b along the guiding of the positioning key groove 2131, and when the damper 24 abuts against the rear end wall of the second cavity 22b, the limit key 243 and the limit key groove 222 form a snap fit therewith.
For convenience of assembly and positioning, the refrigerator door 30 in this embodiment includes a door inner panel 31, and the door hinge seat 22 is integrally formed at the bottom of the door inner panel 31. The top cavity wall of the first cavity 22a is matched with the contour of the doorframe hinge seat 21, so that the door body inner plate 31 can be reliably positioned by pressing the door body inner plate 31 against the doorframe 13 and the doorframe hinge seat 211 during assembly. The bottom wall of the inner end of the second cavity 22b conforms to the contour of the damper 24, so that the damper 24 can be reliably received and positioned. In addition, the opening edge of the refrigerator cavity 11a is square as a whole, and the two hinges 20 are symmetrically arranged on the frame plate of the door frame 13 below the opening edge of the refrigerator cavity 11a, so that the refrigerator door 30 can be opened and closed stably.
The helical torsion spring 40 used in this embodiment is a double torsion spring with a gap between two sets of torsion springs as shown in fig. 16, and one end of the arm is located between the two torsion springs, and the other end of the arm is located outside the torsion springs. In order to reliably connect the helical torsion spring 40 to the suspension seat 211, in the embodiment, as shown in fig. 8, 16 and 17, two torsion spring positioning plates 2113 are disposed in the torsion spring receiving cavity 211a at intervals, and the arrangement interval of the two torsion spring positioning plates 2113 is smaller than the maximum coil distance D of the helical torsion spring 40. When the coil of the helical torsion spring 40 is sleeved on the torsion spring positioning plate 2113, the two torsion spring positioning plates 2113 are inserted into the coil of the helical torsion spring 40, and one end spring arm of the helical torsion spring 40 abuts against the cavity wall of the torsion spring accommodating cavity 211 a; the other end spring arm is abutted against the side plate 2111 of the suspension seat body 211 before the assembly of the door body hinge seat 22 is completed, and is abutted against the door body hinge seat 22 after the assembly of the door body hinge seat 22. Specifically referring to fig. 8 and 17, the side plate 2111 includes a front side plate section and a rear side plate section, the front side plate section forms a side wall of the torsion spring accommodating cavity 211a, a through hole for the hinge shaft 23 to pass through is formed in the front side plate section, the torsion spring positioning plate 2113 is arranged at an inner hole edge of the through hole, and the torsion spring positioning plate 2113 is an arc-shaped plate matched with an inner contour of a coil of the helical torsion spring 40. The rear side plate section is provided with a first clamping groove 2114, the door body hinge seat 22 is provided with a second clamping groove 224, the groove cavities of the first clamping groove 2114, the second clamping groove 2114 and the second clamping groove 224 are communicated in the width direction of the door frame 13 to allow the spring arm of the spiral torsion spring 40 to pass through, the side of the second clamping groove 224 is provided with a limiting cavity 225, and the limiting cavity 225 is used for accommodating the tail end limiting turnover section of the spring arm penetrating into the second clamping groove 224. As shown in fig. 8, the spring arm at the outer end of the spring coil extends along the width direction of the door frame 13, sequentially passes through the first clamping groove, the second clamping groove 2114 and the first clamping groove 224, is located at the opening edge of the limiting cavity 225, and then is turned inwards the limiting cavity 225 and extends into the containing cavity of the limiting cavity 225, so that the spring arm is prevented from being separated from the door body hinge seat 22, and the spiral torsion spring 40 fails. In this embodiment, the coil of the helical torsion spring 40 is sleeved on the torsion spring positioning plate 2113 to maintain the reliable connection between the helical torsion spring 40 and the door body hinge seat 21, and when the hinge shaft 23 is inserted, the operator does not need to hold the helical torsion spring 40 with hands or tools, so that the assembly is more convenient.
Because the structure of the suspension seat 211 is complicated, and the process difficulty of integrated into one piece on the door frame 13 is large, the inner end of the suspension seat 211 is provided with the substrate 212 in this application, the substrate 212 is connected with the inner frame surface of the door frame 13, and the door frame 13 is provided with the mounting hole 132 for the suspension seat 211 to penetrate through and extend forward. Thus, only the suspension seat 211 is exposed outside the door frame 13, the door frame hinge seat 21 can be reliably connected to the door frame 13, and the appearance of the exposed surface of the door frame 13 can be ensured. Therefore, when the refrigerator door 30 is assembled, the coil of the helical torsion spring 40 can be firstly connected and sleeved on the torsion spring positioning plate 2113, the helical torsion spring 40 is connected with the door body hinge seat 21, and then the door body hinge seat 21 is connected on the door frame 13, so that the suspension seat body 211 is suspended above the boss 131. Because the spiral torsion spring 40 is already installed in the torsion spring accommodating cavity 211a, a space for installing the spiral torsion spring 40 does not need to be reserved between the boss 131 and the suspension seat body 211, so that the arrangement interval between the suspension seat body 211 and the boss 131 can be further reduced, namely, the interval between the suspension seat body 211 and the boss 131 can be smaller than the outer diameter of the coil of the spiral torsion spring 40, and the compact arrangement requirement of the vehicle-mounted refrigerator is met.
In this embodiment, the refrigerator door 30 is locked with the door frame 13 by using an electronic door lock, the electric wire of the electronic door lock needs to be connected to the refrigerator body 10, for this purpose, a first threading hole 223 is formed at the joint of the door body inner plate 31 and the door body hinge seat 22, a second threading hole 2111 is formed on the suspension seat body 211, a third threading hole 2121 is formed on the substrate 212, the first threading hole 223, the second threading hole 2111 and the third threading hole 2121 form a path for arranging a cable from the refrigerator door 30 to the rear side of the door frame 13, and the threading path of the electric wire is secret and reliable and does not damage the integrity of the door frame 13, so that the aesthetic property of the refrigerator is ensured.
In order to prevent the refrigerator door 30 from being opened accidentally during the running of the vehicle, the door frame 13 is connected with the top of the refrigerator door 30 by a lock 60 in a locking manner. The lock body 60 is fixedly connected to the refrigerator door 30, the lock body 60 comprises a bolt 61, the door frame 13 is correspondingly provided with a lock opening 134, and when the bolt 61 and the lock catch 134 form a clamping fit, the refrigerator door 30 is tightly pressed on the front side frame surface of the door frame 13, so that the sealing fit of the joint of the bolt 61 and the lock catch 134 can be maintained, and the closing posture of the refrigerator door 30 can be maintained. In this embodiment, when the refrigerator door 30 is empty, the lock body 60 is an electrically controlled lock, the lock body 60 is electrically connected to the control module 62 disposed at the top of the refrigerator body 10 through an electric wire, the control module 62 receives an electric signal or a sensing signal and then outputs an instruction to drive the latch 61 to retract so as to release the engagement between the latch 61 and the locking notch 134, and the refrigerator door 30 is opened under the action of the torsion coil spring 40. In this embodiment, as shown in fig. 2, 3, 5, and 9, the middle of the upper plate of the door inner plate 31 is recessed toward the inner side of the cavity 11a to form a lock accommodating groove 311, a hole is formed on the top wall of the lock accommodating groove 311 for the bolt 61 to pass through, and the bolt 61 is driven by electric power to retract downward or protrude upward. The door body inner plate 31 is further provided with a wire groove 312 which is communicated with the opening edge of the lock body accommodating groove 311 and the first threading hole 223, one end of the wire groove 312 is connected with the corner opening edge of the square lock body accommodating groove 311, and the other end of the wire groove 312 is arranged close to the first threading hole 223.
In this embodiment, as shown in fig. 16, one end of the hinge shaft 23 is provided with a shaft head 231, and the other end is connected with a clamping piece 26 in a clamping and embedding manner, and the shaft head 231, the clamping piece 26 and the door body hinge seat 22 are abutted and matched to limit the axial displacement of the hinge shaft 23.
Because the space in the passenger compartment is smaller, in order to avoid the influence of the too large opening angle of the refrigerator door 30 on the riding space and avoid the situation that the too large opening of the refrigerator door 30 causes the dirt to enter the chamber 11a of the refrigerator, a limiting mechanism is additionally arranged to limit the maximum opening angle of the refrigerator door 30. Specifically, as shown in fig. 1, 2 and 18, the two sides of the door inner plate 31 are fixedly connected with a limiting rod 50, the limiting rod 50 passes through a limiting hole 133 on the door frame 13 to form a sliding limiting fit with the side wall of the refrigerator body 10, and the limiting rod 50 is in transition connection with the refrigerator door 30 and the refrigerator body 10 to limit the maximum opening angle of the refrigerator door 30. The limiting rod 50 includes a connecting portion 51 fixedly connected with the door inner panel 31, one end of the connecting portion 51 extends from the limiting hole 133 to the accommodating groove 101 at the side wall of the box 10 through the panel body of the door frame 13 to form a sliding portion 52, the groove end of the accommodating groove 101 adjacent to the door frame 13 is provided with a limiting block 102, and the tail end of the sliding portion 52 is provided with a limiting portion 53 abutted to the limiting block 102 for matching. In this embodiment, as shown in fig. 18, the limiting rod 50 is formed by processing a strip-shaped plate, the plate body of the connecting portion 51 is parallel to the plate body of the inner plate 31 of the refrigerator, and the plate bodies of the sliding portion 52 and the limiting portion 53 are perpendicular to the plate body of the connecting portion 51 and conform to the side wall of the box body 10.
Claims (10)
1. The utility model provides a connection structure of on-vehicle refrigerator door, includes refrigerator box (10), is provided with inner bag (11) in refrigerator box (10), and inner bag (11) enclose into chamber (11a) of holding article, and the uncovered department of homonymy of refrigerator box (10) and inner bag (11) sets up door frame (13), its characterized in that: the door frame (13) is hinged with the bottom of the refrigerator door body (30) through a hinge (20), the hinge (20) comprises a door frame hinge seat (21) connected with the door frame (13), the door frame hinge seat (21) comprises a suspension seat body (211) protruding outwards from the door frame (13), the suspension seat body (211) comprises a torsion spring accommodating cavity (211a) with a downward opening positioned at a suspension end, a door body hinge seat (22) covering the suspension seat body (211) is arranged at the bottom of the refrigerator door body (30), a hinge shaft (23) with the axis parallel to the width direction of the door frame (13) penetrates through the side wall of the door frame hinge seat (21) and the door body hinge seat (22), an end spring arm of a spiral torsion spring (40) sleeved on the hinge shaft (23) is respectively connected with the door frame hinge seat (21) and the door body hinge seat (22), and the elasticity provided by the spiral torsion spring (40) drives the hinge seat (21) and the door body hinge seat (22) to move towards the door opening.
2. The connecting structure of a door of a vehicle refrigerator according to claim 1, characterized in that: the shaft body of the hinge shaft (23) positioned at the outer side of the suspension seat body (211) is connected with a damper (24), and the damper (24) is in static fit with the suspension seat body (211) and forms synchronous rotating fit with the door body hinge seat (22);
the damper (24) is integrally in a short column shape and is provided with a connecting hole (241) penetrating through the column body of the damper and connected with the hinge shaft (23), a positioning key (242) in limit fit with the suspension seat body (211) is arranged at the end part of the damper (24), a limiting key (243) in synchronous rotation fit with the door body hinge seat (22) is arranged on the peripheral wall of the damper, and the positioning key (242) and the limiting key (243) are in relative rotation fit around a hole core of the connecting hole (241).
3. The connecting structure of a door of a vehicle refrigerator according to claim 2, characterized in that: the suspension seat body (211) comprises side plates (2111) positioned at two sides of the width direction of the door frame (13), a convex column (213) is arranged on the side plates (2111), a positioning key slot (2131) matched with the straight positioning key (242) is arranged on the convex column (213),
the door body hinge seat (22) comprises a first containing cavity (22a) for containing the suspension seat body (211) and a second containing cavity (22b) for containing the damper (24), the opening of the first containing cavity (22a) is downward, the opening of the second containing cavity (22b) is forward, a limiting key groove (222) matched with a limiting key (243) is arranged on the rear side wall body of the second containing cavity (22b), the second containing cavity (22b) is communicated with the first containing cavity (22a) through notches (221) at adjacent side walls of the first containing cavity and the second containing cavity, a convex column (213) penetrates through the notches (221) and extends towards the second containing cavity (22b), the front end of a positioning key groove (2131) on the convex column (213) is exposed and arranged, and the groove length direction of the positioning key groove (2131) is parallel to the groove depth direction of the limiting key groove (222).
4. The connecting structure of a door of a vehicle refrigerator according to claim 3, characterized in that: the refrigerator door body (30) comprises a door body inner plate (31), a door body hinge seat (22) is integrally formed at the bottom of the door body inner plate (31), the top cavity wall of a first accommodating cavity (22a) conforms to the contour of a door frame hinge seat (21), and the bottom wall of the inner end of a second accommodating cavity (22b) conforms to the contour of a damper (24); one end of the hinge shaft (23) is provided with a shaft head (231), the other end of the hinge shaft is connected with a clamping piece (26) in a clamping and embedding manner, and the shaft head (231), the clamping piece (26) and the door body hinge seat (22) are abutted and matched to limit the axial displacement of the hinge shaft (23); the opening edge of the refrigerator cavity (11a) is square as a whole, and the two groups of hinges (20) are symmetrically arranged on the frame plate of the door frame (13) below the opening edge of the refrigerator cavity (11 a).
5. The connecting structure of a door of a vehicle refrigerator according to claim 1, characterized in that: two torsion spring positioning plates (2113) which are arranged at intervals are arranged in the torsion spring accommodating cavity (211a), the arrangement interval of the two torsion spring positioning plates (2113) is smaller than the maximum distance between the coils of the spiral torsion spring (40), when the coil of the spiral torsion spring (40) is sleeved on the torsion spring positioning plate (2113), one end spring arm of the spiral torsion spring (40) is abutted against the cavity wall of the torsion spring accommodating cavity (211a), and the other end spring arm is abutted against a side plate (2111) of the suspension seat body (211) or a door body hinge seat (22);
the side plate (2111) comprises a front side plate section and a rear side plate section, the front side plate section forms the side wall of the torsion spring containing cavity (211a), a through hole for the hinge shaft (23) to pass through is formed in the front side plate section, and the torsion spring positioning plate (2113) is arranged at the inner hole edge of the through hole; the rear side plate section is provided with a first clamping groove (2114), the door body hinge seat (22) is provided with a second clamping groove (224), groove cavities of the first and second clamping grooves (2114, 224) are communicated with a spring arm of the spiral torsion spring (40) to penetrate in the width direction of the door frame (13), a limiting cavity (225) is arranged on the side of the second clamping groove (224), and the limiting cavity (225) is used for accommodating the tail end limiting turnover section of the spring arm penetrating in the second clamping groove (224).
6. The connecting structure of a door of a vehicle refrigerator according to any one of claims 1 to 5, wherein: the inner end of the suspension seat body (211) is provided with a base plate (212), the base plate (212) is connected with the inner frame surface of the door frame (13), and the door frame (13) is provided with a mounting hole (132) for the suspension seat body (211) to penetrate through and extend forwards.
7. The connecting structure of a door of a vehicle refrigerator according to claim 6, characterized in that: the connection part of the door body inner plate (31) and the door body hinge seat (22) is provided with a first threading hole (223), the suspension seat body (211) is provided with a second threading hole (2111), the base plate (212) is provided with a third threading hole (2121), and the first threading hole (223), the second threading hole (2111) and the third threading hole (2121) form a cable arrangement passage which is communicated with the rear sides of the refrigerator door body (30) and the door frame (13).
8. The connecting structure of a door of a vehicle refrigerator according to claim 7, characterized in that: the refrigerator door body (30) is locked and connected with the top of the door frame (13) through a lock body (60), a lock tongue (61) of the lock body (60) fixedly arranged on the refrigerator door body (30) is matched with a lock opening (134) on the door frame (13) in a clamping and embedding manner to maintain the closing posture of the refrigerator door body (30), the lock body (60) is electrically connected with a control module (62) arranged at the top of the refrigerator body (10) through an electric wire, and the control module (62) receives a sensing signal output instruction to drive the lock tongue (61) to contract to open the refrigerator door body (30);
the upper side plate body of the door body inner plate (31) is sunken towards the inner side of the cavity (11a) to form a lock body containing groove (311) for containing a lock body (60), a hole is formed in the top groove wall of the lock body containing groove (311) to allow a lock tongue (61) to pass through, and the opening edge of the lock body containing groove (311) is communicated with the first threading hole (223) through the thread groove (312).
9. The connecting structure of a door of a vehicle refrigerator according to any one of claims 1 to 5, wherein: the distance between the doorframe boss (131) positioned below the doorframe hinge seat (21) and the suspension seat body (211) is larger than the outer diameter of the spiral torsion spring (40), and the protruding size of the suspension seat body (211) from the doorframe (13) to the front side of the cavity (11a) is smaller than the protruding size of the doorframe boss (131).
10. The connecting structure of a door of a vehicle refrigerator according to any one of claims 1 to 5, wherein: the two sides of the door body inner plate (31) are fixedly connected with limiting rods (50), the limiting rods (50) penetrate through limiting holes (133) in the door frame (13) to form sliding limiting fit with the side wall of the refrigerator body (10), and the limiting rods (50) are in transition connection with the refrigerator door body (30) and the refrigerator body (10) to limit the maximum door opening angle of the refrigerator door body (30);
the limiting rod (50) comprises a connecting portion (51) fixedly connected with the door body inner plate (31), one end of the connecting portion (51) penetrates through the plate body of the door frame (13) from the limiting hole (133) and extends to the accommodating groove (101) in the side wall of the box body (10) to form a sliding portion (52), the groove end of the accommodating groove (101) adjacent to the door frame (13) is provided with a limiting block (102), and the tail end of the sliding portion (52) is provided with a limiting portion (53) abutted to the limiting block (102) in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210593134.3A CN114991605B (en) | 2022-05-27 | 2022-05-27 | Connection structure of vehicle-mounted refrigerator door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210593134.3A CN114991605B (en) | 2022-05-27 | 2022-05-27 | Connection structure of vehicle-mounted refrigerator door |
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| Publication Number | Publication Date |
|---|---|
| CN114991605A true CN114991605A (en) | 2022-09-02 |
| CN114991605B CN114991605B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210593134.3A Active CN114991605B (en) | 2022-05-27 | 2022-05-27 | Connection structure of vehicle-mounted refrigerator door |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07190609A (en) * | 1993-11-30 | 1995-07-28 | Samsung Electronics Co Ltd | Refrigerator door switchgear |
| EP2336467A1 (en) * | 2009-12-16 | 2011-06-22 | Whirlpool Europe s.r.l. | Movable-axis hinge for furniture doors and the like |
| KR101758747B1 (en) * | 2016-11-10 | 2017-07-18 | 우진글로벌 주식회사 | 2-axis hinge |
| CN213359731U (en) * | 2020-06-28 | 2021-06-04 | 中山市冰虎电器有限公司 | Automatic buffering opening structure for door body of vehicle-mounted refrigerator |
| CN213683651U (en) * | 2020-08-19 | 2021-07-13 | 仝达科技（惠州）有限公司 | Door cover overturning assembly and automobile door cover overturning structure |
| US20210262672A1 (en) * | 2020-02-25 | 2021-08-26 | Whirlpool Corporation | Hinge assembly for an appliance door |
-
2022
- 2022-05-27 CN CN202210593134.3A patent/CN114991605B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07190609A (en) * | 1993-11-30 | 1995-07-28 | Samsung Electronics Co Ltd | Refrigerator door switchgear |
| EP2336467A1 (en) * | 2009-12-16 | 2011-06-22 | Whirlpool Europe s.r.l. | Movable-axis hinge for furniture doors and the like |
| KR101758747B1 (en) * | 2016-11-10 | 2017-07-18 | 우진글로벌 주식회사 | 2-axis hinge |
| US20210262672A1 (en) * | 2020-02-25 | 2021-08-26 | Whirlpool Corporation | Hinge assembly for an appliance door |
| CN213359731U (en) * | 2020-06-28 | 2021-06-04 | 中山市冰虎电器有限公司 | Automatic buffering opening structure for door body of vehicle-mounted refrigerator |
| CN213683651U (en) * | 2020-08-19 | 2021-07-13 | 仝达科技（惠州）有限公司 | Door cover overturning assembly and automobile door cover overturning structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114991605B (en) | 2024-02-09 |
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