CN114991605B - Connection structure of vehicle-mounted refrigerator door - Google Patents
Connection structure of vehicle-mounted refrigerator door Download PDFInfo
- Publication number
- CN114991605B CN114991605B CN202210593134.3A CN202210593134A CN114991605B CN 114991605 B CN114991605 B CN 114991605B CN 202210593134 A CN202210593134 A CN 202210593134A CN 114991605 B CN114991605 B CN 114991605B
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- China
- Prior art keywords
- door
- refrigerator
- door frame
- hinge
- seat
- Prior art date
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- 239000000725 suspension Substances 0.000 claims abstract description 46
- 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 claims description 5
- 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
- 230000006698 induction Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 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
- 230000004308 accommodation Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
-
- 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
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, wherein the bottom of a door frame and the bottom of a refrigerator door body are hinged by 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 protruding outwards from the door frame, the suspension seat body comprises a torsion spring accommodating cavity with a downward opening at a suspension end, the bottom of the refrigerator door body is provided with a door body hinge seat for covering the suspension seat body, a hinge shaft with an axis parallel to the width direction of the door frame penetrates through the side wall of the door body hinge seat and the seat body of the door body hinge seat, and the elastic force provided by a spiral torsion spring sleeved on the hinge shaft drives the door frame hinge seat and the door body hinge seat to move in a door opening motion trend. The refrigerator door and door frame assembly structure can meet the requirements of convenient and reliable installation of the refrigerator door and door frame in a narrow space, improves the production and assembly efficiency of the refrigerator, and ensures the attractive performance of the refrigerator and the use stability and reliability of the refrigerator door when the refrigerator is used.
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 cabin is often an upper cover type opening, if the door body is opened without a space above the refrigerator cabinet body, a vertical hinged door or a sliding door is usually arranged at the side part of the refrigerator cabinet body, and thus, the ground dirt of the passenger cabin 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 discloses 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 refrigerator door body 30 is arranged above the boss 131, so that when the refrigerator door body 30 is opened, the top opening is large, the bottom opening is small, and the boss 131 positioned below the refrigerator door body 30 can also shield a passenger cabin floor below the opening edge of a refrigerator cavity 11a so as to ensure the cleanness and sanitation of the refrigerator cavity 11a.
To achieve a larger opening of the refrigerator cavity for a user to observe and access the articles, the area of the plate body between the edge of the refrigerator cavity at the bottom plate of the door frame and the boss is smaller. The seat body connected with the door frame by the finished hinge can shield the opening of the refrigerator cavity for avoiding the boss, and the arrangement of the sealing ring at the opening of the refrigerator cavity is influenced, so that the sealing effect of the refrigerator can not be ensured; the hinge base body can be exposed when the refrigerator door body is opened, and the attractive appearance 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 installation space above the joint is also relatively narrow, so that the installation and the positioning of the seat body of the finished hinge are difficult.
Disclosure of Invention
The invention aims to provide a connecting structure of a vehicle-mounted refrigerator door, which has good aesthetic property and is convenient to assemble.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a connection structure of on-vehicle refrigerator door, including the refrigerator box, be provided with the inner bag in the refrigerator box, the inner bag encloses into the cavity of holding article, the same side opening department of refrigerator box and inner bag sets up the door frame, the door frame constitutes articulated connection with the bottom of refrigerator box by the hinge, the hinge includes the door frame hinge seat that links to each other with the door frame, the door frame hinge seat includes the suspension pedestal that stretches outwards from the door frame, the suspension pedestal includes the decurrent torsional spring appearance chamber of opening that is located the suspension end, the bottom of refrigerator door is equipped with the door body hinge seat that covers the suspension pedestal, the hinge pin that the axle center is on a parallel with door frame width direction wears to be arranged in on the pedestal lateral wall of door frame hinge seat and door body hinge seat, the tip spring arm of the spiral torsion spring of cover on the hinge pin links to each other with door frame hinge seat, the elasticity that the spiral torsion spring provided drives door frame hinge seat and door body hinge seat and the trend of opening door.
Compared with the prior art, the invention has the following technical effects: 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 attractive performance of the refrigerator during use and the stability and reliability of the refrigerator door body during use are ensured.
Drawings
The contents expressed in the drawings of the present specification and the marks in the drawings are briefly described as follows:
FIG. 1 is a perspective view showing a closed state of a refrigerator door according to the present invention;
fig. 2 is a perspective view showing an opened state of an inner plate of the refrigerator according to the present invention;
FIG. 3 is a perspective view showing an opened state of a refrigerator door according to the present invention;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
FIG. 5 is a perspective view of the door frame and the door inner panel connected by a hinge;
FIG. 6 is an enlarged schematic view of portion B of FIG. 5;
FIG. 7 is a schematic perspective view of the door inner panel connected to the hinge;
FIG. 8 is an enlarged schematic view of portion C of FIG. 7;
FIG. 9 is a perspective view showing a state in which a door inner plate is separated from a door frame;
FIG. 10 is an enlarged schematic view of portion D of FIG. 9;
fig. 11 is a perspective view showing a state in which a door frame hinge base coupled with a hinge shaft and a damper is coupled with a door frame;
FIG. 12 is an enlarged schematic view of portion E of FIG. 11;
FIG. 13 is a perspective view of the door body panel in a separated state from the door frame at another view angle;
fig. 14 is an enlarged schematic view of the portion F in fig. 13;
FIG. 15 is a schematic perspective view of a damper in an embodiment;
fig. 16 is a perspective view showing a state in which a hinge base of a door frame is separated from a hinge shaft and a damper;
FIG. 17 is a perspective view of a doorframe hinge bracket;
fig. 18 is a perspective view of the stop lever.
In the figure: 10. the refrigerator cabinet, 101, housing slot, 102, stopper, 11, liner, 11a, cavity, 13, door frame, 131, boss, 132, mounting hole, 133, spacing hole, 134, locking port, 20, hinge, 21, door frame hinge mount, 211, hanging seat, 211a, torsion spring housing, 2111 side plate, 2112, threading hole two, 2113, torsion spring positioning plate, 2114, slot one, 212, 2121, threading hole three, 213, boss, 2313, positioning key slot, 22, hinge mount, 22a, first housing, 22b, second housing, 221, notch, 222, spacing key slot, 223, threading hole one, 224, slot two, 225, spacing cavity, 23, hinge shaft, 231, axle head, 24, damper, 241, connecting hole, 242, positioning key 243, spacing key, 26, card, 30, door body, 31, door inner plate, 311, lock body housing slot, 312, wire slot, 40, spiral link, 50, 51, slip portion, 60, locking portion, 60, and control module.
Detailed Description
The following describes the embodiments of the present invention in further detail by way of examples with reference to the accompanying drawings.
The utility model provides a connection structure of on-vehicle refrigerator door, includes refrigerator box 10, is provided with inner bag 11 in the refrigerator box 10, and inner bag 11 encloses into the cavity 11a of holding article, for convenience of description, and the mouth that defines cavity 11a is outwards for preceding, inwards is the back along the normal direction of face at place, and is the front towards the user side, is the back away from the user side. The refrigerator body 10 and the inner container 11 are provided with a door frame 13 at the opening at the same side, and the door frame 13 is hinged with the bottom of the refrigerator door body 30 by a hinge. The hinge 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 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 door frame hinge seat 21 and the seat body side wall of the door body hinge seat 22, an end spring arm of a spiral torsion spring 40 sleeved on the hinge shaft 23 is connected with the door frame hinge seat 21 and the door body hinge seat 22 respectively, 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 perform door opening movement trend.
Thus, when the refrigerator door body 30 is opened, the spiral torsion spring 40, the hinge shaft 23 and other parts cannot be exposed at the opening side of the door body, thereby ensuring the appearance and preventing food dregs and the like from falling down to influence the hinge cleaning and the reliability of the door body opening. When the refrigerator door body 30 is assembled, the door frame hinge seat 21 is arranged on the door frame 13, the refrigerator door body 30 is pressed against the door frame 13, the door body hinge seat 22 covers and covers the door frame hinge seat 21, the spiral torsion spring 40 is placed in the torsion spring accommodating cavity 211a, the hinge shaft 23 is arranged among the door body hinge seat 22, the door frame hinge seat 21 and the spiral torsion spring 40 in a penetrating mode, and the hinge connection between the refrigerator door body 30 and the door frame 13 can be completed by limiting the axial displacement of the hinge shaft 23. Only the height of the installation space below the seat body of the door frame hinge seat 21 is required to be ensured to be larger than the outer diameter of the spring body in the torsion spring accommodating cavity 211a, and particularly in the embodiment, as shown in fig. 8, 11, 12 and 16, the coil of the torsion spring 40 is arranged in the torsion spring accommodating cavity 211a, and for convenience in installation, the distance between the door frame boss 131 below the door frame hinge seat 21 and the suspension seat body 211 is required to be larger than the outer diameter of the coil of the torsion spring 40, so that the convenient and reliable installation of the refrigerator door body can be realized, the production and assembly efficiency of the refrigerator can be improved, and the aesthetic property of the refrigerator in use and the stability and reliability of the refrigerator door body in use can be ensured. 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, which can further shield the bottom gap between the refrigerator door 30 and the door frame 13, and prevent dirt from entering the chamber 11a of the refrigerator from the bottom gap between the refrigerator door and the door frame.
In this embodiment, the spiral torsion spring 40 is used to provide an elastic force to drive the refrigerator door 30 to open, so as to prevent the refrigerator door 30 from being damaged by the object located on the front side of the refrigerator door 30 due to the impact of the object being quickly and outwards sprung out when the refrigerator door 30 is opened, and the damping element can be used to limit the opening speed of the refrigerator door 30. As shown in fig. 7, 8, 10 and 12, a damper 24 is connected to the shaft body of the hinge shaft 23 located outside the suspension base 211, and the damper 24 is in static fit with the suspension base 211 and is in synchronous rotation fit with the door hinge base 22. I.e. the stationary part of the damper 24 is connected to the door frame hinge base 21 and the moving part is connected to the door body hinge base 22. As shown in fig. 15, the damper 24 adopted in this embodiment is a short column shape as a whole, and is provided with a connecting hole 241 penetrating through the column body and connected with the hinge shaft 23, the end of the damper 24 is provided with a positioning key 242 in spacing fit with the suspension base 211, the peripheral wall is provided with a spacing key 243 in synchronous rotation fit with the hinge base 22 of the door body, and the positioning key 242 and the spacing key 243 are in relative rotation fit around the hole core of the connecting hole 241. That is, the damper 24 is integrally formed as a sleeve, and includes an inner tube and an outer tube that form 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 limit key 243.
As shown in fig. 7-12, the positioning key 242 is generally in a straight shape in this embodiment for ease of assembly. The suspension base 211 includes side plates 2111 located at both 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 which are matched with the in-line positioning keys 242. The door hinge seat 22 includes a first accommodating cavity 22a for accommodating the suspension seat 211 and a second accommodating cavity 22b for accommodating the damper 24, the opening of the first accommodating cavity 22a is downward, the opening of the second accommodating cavity 22b is forward, and a limit key slot 222 matched with the limit key 243 is disposed on the rear sidewall of the second accommodating cavity 22b. The second accommodating cavity 22b is communicated with the first accommodating cavity 22a through the notch 221 at the adjacent side wall of the second accommodating cavity 22b, the convex column 213 penetrates through the notch 221 to extend towards the second accommodating 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, when the damper 24 is assembled, the damper is placed in the front opening of the second cavity 22b, so that the positioning key 242 is led in from the positioning key slot 2131 and pushed into the second cavity 22b along the guiding of the positioning key slot 2131, and when the damper 24 abuts against the rear end wall of the second cavity 22b, the limiting key 243 and the limiting key slot 222 form a snap fit therewith.
For easy assembly and positioning, the refrigerator door 30 of the present embodiment includes a door inner plate 31, and the door hinge base 22 is integrally formed at the bottom of the door inner plate 31. The top cavity wall of the first receiving cavity 22a conforms to the contour of the door frame hinge base 21, so that the door inner panel 31 can be reliably positioned by pressing the door inner panel 31 against the door frame 13 and the door frame hinge base 211 when assembled. The inner end bottom wall of the second cavity 22b conforms to the contour of the damper 24, thereby enabling reliable accommodation and positioning of the damper 24. In addition, the opening edge of the refrigerator cavity 11a is square, 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 body 30 can be opened and closed stably.
The helical torsion spring 40 used in this embodiment is shown in fig. 16, and is a double torsion spring with a space between two sets of torsion springs, one end of the spring arm is located between the two torsion springs, and the other end of the spring arm is located outside the torsion springs. In order to reliably connect the spiral torsion spring 40 to the suspension base 211, as shown in fig. 8, 16 and 17, two torsion spring positioning plates 2113 are disposed in the torsion spring accommodating cavity 211a at intervals, and the arrangement interval of the two torsion spring positioning plates 2113 is smaller than the maximum coil spacing D of the spiral torsion spring 40. When the coils of the spiral torsion spring 40 are sleeved on the torsion spring positioning plates 2113, the two torsion spring positioning plates 2113 penetrate through the coils of the spiral torsion spring 40, and one end spring arm of the spiral torsion spring 40 abuts against the cavity wall of the torsion spring accommodating cavity 211 a; the other end spring arm abuts against the side plate 2111 of the suspension housing 211 before the door hinge housing 22 is assembled, and abuts against the door hinge housing 22 after the door hinge housing 22 is assembled. 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 through which the hinge shaft 23 passes is formed in the front side plate section, the torsion spring positioning plate 2113 is disposed at an inner hole edge of the through hole, and the torsion spring positioning plate 2113 is an arc plate matching with an inner contour of a coil of the spiral torsion spring 40. The rear side plate section on be equipped with draw-in groove one 2114, be equipped with draw-in groove two 224 on the door body hinge seat 22, draw-in groove one, two 2114, 224's groove chamber communicates in the width direction of door frame 13 and supplies the spring arm of spiral torsional spring 40 to pass, the side of draw-in groove two 224 is equipped with spacing chamber 225, spacing chamber 225 holding is worn to be arranged in the terminal spacing section of turning over of the spring arm in draw-in groove two 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 2114 and the second 2114 and 224 clamping grooves and then is positioned at the edge of the limiting cavity 225, and then is folded inwards into the limiting cavity 225 to extend into the containing cavity of the limiting cavity 225, so that the spring arm is prevented from falling out from the door hinge seat 22, and the spiral torsion spring 40 is prevented from being failed. In this embodiment, the coil of the spiral torsion spring 40 is sleeved on the torsion spring positioning plate 2113 to maintain reliable connection of the spiral torsion spring 40 with the door hinge seat 21, and when the connecting hinge shaft 23 is worn, an operator does not need to hold the spiral torsion spring 40 by hands or tools, so that the assembly is more convenient.
Because the structure of the suspension base 211 is complex, and the process difficulty of integrally forming the suspension base 211 on the door frame 13 is high, in the present application, the inner end of the suspension base 211 is provided with the substrate 212, 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 base 211 to pass through and extend forward. Thus, only the suspension base 211 is exposed outside the door frame 13, so that the door frame hinge base 21 can be reliably connected to the door frame 13, and the beauty of the exposed surface of the door frame 13 can be ensured. In this way, when assembling the refrigerator door 30, the spiral torsion spring 40 is first connected to the torsion spring positioning plate 2113, the spiral torsion spring 40 is connected to the door hinge seat 21, and then the door hinge seat 21 is connected to the door frame 13, so that the suspension seat 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 is not required to be reserved between the boss 131 and the suspension base 211, the arrangement interval between the suspension base 211 and the boss 131 can be further reduced, that is, the interval between the suspension base 211 and the boss 131 can be smaller than the outer diameter of a spring 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 wires of the electronic door lock need to be connected to the refrigerator door 10, for this purpose, the connection part of the door inner plate 31 and the door hinge seat 22 is provided with the first threading hole 223, the suspension seat 211 is provided with the second threading hole 2111, the substrate 212 is provided with the third threading hole 2121, the first threading hole 223, the second threading hole 2111 and the third threading hole 2121 form a passage for arranging the cables from the refrigerator door 30 to the rear side of the door frame 13, and the threading passage of the wires is secret and reliable and does not damage the integrity of the door frame 13, thereby ensuring the aesthetic property of the refrigerator.
To prevent the refrigerator door 30 from being accidentally opened while the vehicle is running, the door frame 13 is in locking connection with the top of the refrigerator door 30 by the lock body 60. The lock body 60 is fixedly connected to the refrigerator door body 30, the lock body 60 comprises a lock tongue 61, a lock opening 134 is correspondingly arranged on the door frame 13, and when the lock tongue 61 and the lock catch 134 form a clamping fit, the refrigerator door body 30 is tightly pressed on the front side frame surface of the door frame 13, so that sealing fit of the joint of the lock tongue 61 and the lock opening 134 can be maintained, and the closed posture of the refrigerator door body 30 is maintained. In this embodiment, for convenience in space-time, the lock body 60 is an electric control lock, 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 after receiving an electric signal or an induction signal, the control module 62 outputs an instruction to drive the lock tongue 61 to shrink so as to release the cooperation between the lock tongue 61 and the locking notch 134, and the refrigerator door 30 is opened under the action of the spiral torsion spring 40. In this embodiment, as shown in fig. 2, 3, 5 and 9, the middle part of the upper plate body of the door inner plate 31 is recessed toward the inner side of the chamber 11a to form a lock body accommodating groove 311, and a hole is formed on the top groove wall of the lock body accommodating groove 311 for the lock tongue 61 to pass through, so that the lock tongue 61 is driven by power to retract downward or extend upward. The door inner plate 31 is also 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 is arranged adjacent 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, the other end is connected with a card 26 in a clamping manner, and the shaft head 231, the card 26 and the door hinge base 22 are in abutting fit to limit the axial displacement of the hinge shaft 23.
Because the space in the passenger cabin is smaller, in order to avoid the influence of the overlarge opening angle of the refrigerator door body 30 on the riding space and simultaneously avoid the situation that dirt enters the cavity 11a of the refrigerator due to the overlarge opening angle of the refrigerator door body 30, a limiting mechanism is additionally arranged to limit the maximum opening angle of the refrigerator door body 30. As shown in fig. 1, 2 and 18, 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 sliding limiting fit with the side wall of the refrigerator door body 10, and the limiting rod 50 is in transitional connection with the refrigerator door body 30 and the refrigerator door body 10 to limit the maximum door opening angle of the refrigerator door body 30. The limiting rod 50 comprises a connecting part 51 fixedly connected with the door body inner plate 31, one end of the connecting part 51 penetrates through the plate body of the door frame 13 from the limiting hole 133 and extends to a containing groove 101 at the side wall of the box body 10 to form a sliding part 52, a limiting block 102 is arranged at the groove end, adjacent to the door frame 13, of the containing groove 101, and a limiting part 53 in abutting fit with the limiting block 102 is arranged at the tail end of the sliding part 52. In this embodiment, as shown in fig. 18, the stop lever 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 sliding portion 52 and the plate body of the stop portion 53 are perpendicular to the plate body of the connecting portion 51 and coincide with the side wall of the case 10.
Claims (9)
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 cavity (11 a) of holding article, and the homonymy open department of refrigerator box (10) and inner bag (11) sets up door frame (13), its characterized in that: the bottom of the door frame (13) and the bottom of the refrigerator door body (30) are hinged by 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 containing cavity (211 a) with a downward opening at a suspension end, a door body hinge seat (22) for covering the suspension seat body (211) is arranged at the bottom of the refrigerator door body (30), a hinge shaft (23) with an axis parallel to the width direction of the door frame (13) is penetrated on the seat body side wall of the door frame hinge seat (21) and the door body hinge seat (22), and 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 door body hinge seat (22) is driven to move in a door opening mode by the elasticity provided by the spiral torsion spring (40);
the hinge shaft (23) is positioned on the shaft body outside the suspension seat body (211) and is connected with a damper (24), and the damper (24) is in static fit with the suspension seat body (211) and is in synchronous rotation fit with the door 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 and connected with the hinge shaft (23), the end part 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 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).
2. The connection structure of the vehicle-mounted refrigerator door according to claim 1, wherein: the suspension seat body (211) comprises side plates (2111) positioned at two sides of the width direction of the door frame (13), the side plates (2111) are provided with convex columns (213), the convex columns (213) are provided with positioning key grooves (2131) matched with the straight-line positioning keys (242),
the door hinge seat (22) comprises a first accommodating cavity (22 a) for accommodating the suspension seat body (211) and a second accommodating cavity (22 b) for accommodating the damper (24), wherein an opening of the first accommodating cavity (22 a) is downward, an opening of the second accommodating cavity (22 b) is forward, a limit key groove (222) matched with the limit key (243) is formed in a rear side wall body of the second accommodating cavity (22 b), the second accommodating cavity (22 b) is communicated with the first accommodating cavity (22 a) through a notch (221) at the adjacent side wall of the second accommodating cavity, a convex column (213) penetrates through the notch (221) to extend to the second accommodating cavity (22 b), 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 limit key groove (222).
3. The connection structure of the vehicle-mounted refrigerator door according to claim 2, wherein: the refrigerator door body (30) comprises a door body inner plate (31), the door body hinge seat (22) is integrally formed at the bottom of the door body inner plate (31), the top end cavity wall of the first accommodating cavity (22 a) is in accordance with the outline of the door frame hinge seat (21), and the inner end bottom wall of the second accommodating cavity (22 b) is in accordance with the outline of the damper (24); one end of the hinge shaft (23) is provided with a shaft head (231), the other end is connected with a clamping piece (26) in a clamping way, and the shaft head (231), the clamping piece (26) and the door body hinge seat (22) are in abutting fit to limit the axial displacement of the hinge shaft (23); the opening edge of the refrigerator cavity (11 a) is square, and two groups of hinges (20) are symmetrically arranged on a frame plate of a door frame (13) below the opening edge of the refrigerator cavity (11 a).
4. The connection structure of the vehicle-mounted refrigerator door according to claim 1, wherein: two torsion spring positioning plates (2113) which are arranged at intervals are arranged in the torsion spring accommodating cavity (211 a), the arrangement interval of the two torsion spring positioning plates (2113) is smaller than the maximum interval of coils of the spiral torsion spring (40), when the coils of the spiral torsion spring (40) are sleeved on the torsion spring positioning plates (2113), one end spring arm of the spiral torsion spring (40) abuts against the cavity wall of the torsion spring accommodating cavity (211 a), and the other end spring arm abuts 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 accommodating cavity (211 a), 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 novel door is characterized in that a clamping groove I (2114) is formed in the rear side plate section, a clamping groove II (224) is formed in the door body hinge seat (22), groove cavities of the clamping groove I and the clamping groove II (2114 and 224) are communicated in the width direction of the door frame (13) and used for a spring arm of the spiral torsion spring (40) to pass through, a limiting cavity (225) is formed in the side of the clamping groove II (224), and the limiting cavity (225) is used for accommodating the tail end of the spring arm penetrating through the clamping groove II (224) to limit the turnover section.
5. The connection structure of the door of the vehicle-mounted refrigerator according to any one of claims 1 to 4, characterized in that: the inner end of the suspension base 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 base body (211) to pass through and extend forwards.
6. The connection structure of the door of the vehicle-mounted refrigerator according to claim 5, wherein: the junction of door body internal plate (31) and door body hinge seat (22) is equipped with through wires hole one (223), is equipped with through wires hole two (2111) on the suspension pedestal (211), is equipped with through wires hole three (2121) on base plate (212), and through wires hole one (223), through wires hole two (2111), through wires hole three (2121) form the cable arrangement passageway of intercommunication refrigerator door body (30) and door frame (13) rear side.
7. The connection structure of the door of the vehicle-mounted refrigerator according to claim 6, wherein: the door frame (13) is in locking connection with the top of the refrigerator door body (30) through a lock body (60), a lock tongue (61) of the lock body (60) fixedly arranged on the refrigerator door body (30) is in clamping fit with a locking opening (134) on the door frame (13) to maintain the closed 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 door body (10) through an electric wire, and the control module (62) receives an induction signal output instruction to drive the lock tongue (61) to shrink to open the refrigerator door body (30);
the upper side plate body of the door body inner plate (31) is sunken to the inside of the cavity (11 a) to form a lock body accommodating groove (311) for accommodating the lock body (60), a hole is formed in the top groove wall of the lock body accommodating groove (311) for the lock tongue (61) to pass through, and the opening edge of the lock body accommodating groove (311) is communicated with the first threading hole (223) through a wire groove (312).
8. The connection structure of the door of the vehicle-mounted refrigerator according to any one of claims 1 to 4, characterized in that: the distance between the door frame boss (131) and the suspension seat body (211) below the door frame hinge seat (21) is larger than the outer diameter of the spiral torsion spring (40), and the protruding size of the suspension seat body (211) from the door frame (13) to the front side of the cavity (11 a) is smaller than the protruding size of the door frame boss (131).
9. The connection structure of the door of the vehicle-mounted refrigerator according to any one of claims 1 to 4, characterized in that: 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 sliding limiting fit with the side wall of the refrigerator body (10), and the limiting rod (50) is in transitional 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 part (51) fixedly connected with the door body inner plate (31), one end of the connecting part (51) penetrates through the plate body of the door frame (13) from the limiting hole (133) to extend to the containing groove (101) at the side wall of the box body (10) to form a sliding part (52), a limiting block (102) is arranged at the groove end, adjacent to the door frame (13), of the containing groove (101), and a limiting part (53) in abutting fit with the limiting block (102) is arranged at the tail end of the sliding part (52).
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 |
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| 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 |
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| CN114991605A CN114991605A (en) | 2022-09-02 |
| CN114991605B true 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 (5)
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (5)
| 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 |
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| Publication number | Publication date |
|---|---|
| CN114991605A (en) | 2022-09-02 |
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