CN104729202A - Automatic door closing device of food cold storage displaying case - Google Patents
Automatic door closing device of food cold storage displaying case Download PDFInfo
- Publication number
- CN104729202A CN104729202A CN201510122066.2A CN201510122066A CN104729202A CN 104729202 A CN104729202 A CN 104729202A CN 201510122066 A CN201510122066 A CN 201510122066A CN 104729202 A CN104729202 A CN 104729202A
- Authority
- CN
- China
- Prior art keywords
- door
- lower column
- column sleeve
- oblique surface
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0404—Cases or cabinets of the closed type
- A47F3/0426—Details
- A47F3/043—Doors, covers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hinges (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses an automatic door closing device of a food cold storage displaying case and belongs to the technical field of automatic door closing structures. The device comprises a door shaft fixing base and a case door fixing plate. The door shaft fixing base is provided with a lower column sleeve. When the lower column sleeve is used, a door shaft is arranged at the center of one upwards side surface of the lower column sleeve. A shaft sleeve is arranged on the case door fixing plate at the position corresponding to the lower column sleeve. A lower column sleeve containing cavity and a door shaft containing cavity are arranged in the height direction of the center of the shaft sleeve from bottom to top in sequence. The lower column sleeve is contained in the lower column sleeve containing cavity. The top end of the door shaft extends upwards and is inserted into the door shaft containing cavity. The automatic door closing device is characterized in that a first oblique guiding face is formed on the side wall of the lower column sleeve in the periphery direction, the shaft sleeve forms a second oblique guiding face matched with the first oblique guiding face in the lower shaft sleeve containing cavity, and when the shaft sleeve rotates around the lower column sleeve, the first oblique guiding face and the second oblique guiding face form sliding matching. The structure is simple and compact, mounting is convenient, cold air running away caused by continuous door opening and closing when a large number of objects are taken from or stored in the displaying case is avoided, and service life is prolonged.
Description
Technical field
The invention belongs to automatic door closing structure technical field, be specifically related to a kind of door engine of food refrigerated display cabinet.
Background technology
At present, the cabinet of food refrigerated display cabinet adopts common door-hinge, hinge or hinge mode to be fixedly connected with between cabinet door mostly, and unlatching cabinet needs manually to shift home position onto behind the door and could be closed.Close the door if people forget get thing in cabinet after, or do not take into account because hand-held food hinders and close the door in time, this will cause cold air in cabinet to run off, and make storing products refrigeration failure and will go bad, also can increase the load energy consumption of cabinet compressor, wastes power resource simultaneously.Minority food refrigerated display cabinet is had to be provided with automatic door closing structure on cabinet door, these automatic door closing structures are also no lack of and are seen in disclosed Chinese patent literature, " a kind of automatic door-closing locking device of vertical refrigerated display cabinet " involved by Authorization Notice No. CN201377244Y, the one " door engine " that CN2679607Y introduces, the one " Novel automatic door closing structure of refrigeration exhibiting cabinet " that CN202055670U recommends and " a kind of automatic door closing mechanism " disclosed in CN2839510Y, it is all install torsionspring in hinge, cam spring or torsion spring lever etc., the automatic door-closing of cabinet door is directly realized by the elastic force of spring.Such automatic door closing structure such as also exists complex structure, spring easily aging, service life is short at the shortcoming, if to kick the beam or overweight in force at closing time especially, also will cabinet door be caused not closed very well or rebound situation about opening, cold air in cabinet can be caused equally to run off, the normal use of impact refrigeration exhibition row cabinet.
In view of above-mentioned prior art, be necessary that the structure of the door engine to existing food refrigerated display cabinet is improved.For this reason, the applicant has done useful design, and technical scheme described below produces under this background.
Summary of the invention
The object of the present invention is to provide a kind of door engine of food refrigerated display cabinet, its structure is simple, compact, easy for installation, closes the door reliable and avoids the loss of cold air in cabinet, economize energy and long service life.
The object of the invention is to reach like this, a kind of door engine of food refrigerated display cabinet, be arranged between the cabinet of showcase and cabinet door, it comprises one for being fixed to door-hinge holder and on cabinet doorframe for being fixed to the cabinet door fixed head on cabinet door, described door-hinge holder is provided with lower column sleeve, and described lower prop cover has a door-hinge towards the central authorities of a upper side surface in a state of use, axle sleeve is provided with on described cabinet door fixed head and corresponding to the position of lower column sleeve, the central authorities of described axle sleeve form lower column sleeve accommodating cavity and door-hinge accommodating cavity from below to up successively along short transverse, described lower column sleeve is contained in described lower column sleeve accommodating cavity rotationally, the top of described door-hinge upwards extends and inserts in door-hinge accommodating cavity, it is characterized in that: described lower prop to be enclosed within sidewall and to form the first oblique surface around circumferencial direction, described axle sleeve forms the second oblique surface matched with the first described oblique surface in lower column sleeve accommodating cavity, when described axle sleeve rotates around lower column sleeve, first oblique surface and the second oblique surface formation are slidably matched.
In a specific embodiment of the present invention, described lower prop is enclosed within sidewall and is positioned at the formation lower platform face, bottom of the first oblique surface, and lower prop is enclosed within sidewall and is positioned at the formation upper mounting plate face, top of the first oblique surface; The second described oblique surface forms a limiting platform face in bottom, when the second oblique surface slides to lowest order under the first oblique surface, limiting platform face is resisted against on described lower platform face, when the second oblique surface is along when the first oblique surface slides to highest order, limiting platform face is resisted against on described upper mounting plate face.
In another specific embodiment of the present invention, described cabinet door fixed head offers axle sleeve hole, described axle sleeve passes axle sleeve hole and protrudes from the upper surface of cabinet door fixed head, the base of described axle sleeve outwards turns down and forms axle sleeve limit, and the lower surface of described axle sleeve limit and cabinet door fixed head is fitted and realizes fixing the spacing of axle sleeve.
In another specific embodiment of the present invention, the first described oblique surface and the second oblique surface are spiral helicine even surface.
The present invention is owing to have employed said structure, and utilize the gravity of cabinet door that the first oblique surface and the second oblique surface can be made to form the sliding automatic closedown joining to realize cabinet door, structure is simple, compact, easy for installation; By arranging upper mounting plate face, can carry out spacing to cabinet door when cabinet door is opened, avoid open up row cabinets deposit or take large numbers of items time constantly switch gate and cause cold air to run off, effectively extend the service life of compressor.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of axle sleeve of the present invention.
Fig. 3 is the structural representation of the present invention one application examples.
In figure: 1. door-hinge holder; 2. cabinet door fixed head, 21. axle sleeve holes; 3. play column sleeve, 31. door-hinges, 32. first oblique surfaces, 33. lower platform faces, 34. upper mounting plate faces; 4. axle sleeve, 41. times column sleeve accommodating cavities, 411. second oblique surfaces, 412. limiting platform faces, 42. door-hinge accommodating cavities, 43. axle sleeve limits.
Detailed description of the invention
Applicant will describe in detail the specific embodiment of the present invention below by reference to the accompanying drawings; but applicant is not the restriction to technical scheme to the description of embodiment, any changing in the form rather than substance according to the present invention's design all should be considered as protection scope of the present invention.
Refer to Fig. 1, Fig. 2 and composition graphs 3, the present invention relates to a kind of door engine of food refrigerated display cabinet, comprise one for being fixed to door-hinge holder on cabinet doorframe 1 and for being fixed to the cabinet door fixed head 2 on cabinet door, described door-hinge holder 1 is provided with lower column sleeve 3, and described lower column sleeve 3 has a door-hinge 31 towards the central authorities of a upper side surface in a state of use.On described cabinet door fixed head 2 and the position of corresponding lower column sleeve 3 is provided with axle sleeve 4, described cabinet door fixed head 2 offers axle sleeve hole 21, described axle sleeve 4 passes axle sleeve hole 21 and protrudes from the upper surface of cabinet door fixed head 2, the base of described axle sleeve 4 outwards turns down and forms axle sleeve limit 43, fits with the lower surface of cabinet door fixed head 2 and realize fixing the spacing of axle sleeve 4 in described axle sleeve limit 43.The central authorities of described axle sleeve 4 form lower column sleeve accommodating cavity 41 and door-hinge accommodating cavity 42 from below to up successively along short transverse.Described lower column sleeve 3 is contained in described lower column sleeve accommodating cavity 41 rotationally, and the top of described door-hinge 31 upwards extends inserts in door-hinge accommodating cavity 42.Described lower column sleeve 3 is on sidewall and form the first oblique surface 32 around circumferencial direction, described axle sleeve 4 forms the second oblique surface 411 matched with the first described oblique surface 32 in lower column sleeve accommodating cavity 41, and the first described oblique surface 32 and the second oblique surface 411 are spiral helicine even surface.When described axle sleeve 4 rotates around lower column sleeve 3, the first oblique surface 32 and the second oblique surface 411 form sliding joining.Described lower column sleeve 3 at sidewall and be positioned at the first oblique surface 32 bottom formed lower platform face 33, lower column sleeve 3 at sidewall and be positioned at the first oblique surface 32 top formed upper mounting plate face 34; The second described oblique surface 411 forms a limiting platform face 412 in bottom.When the second oblique surface 411 slides to lowest order 32 times along the first oblique surface, the first limiting platform face 412 is resisted against on described lower platform face 33, and now cabinet door is in closed condition; When the second oblique surface 411 is along when the first oblique surface 32 slides to highest order, limiting platform face 412 is resisted against on described upper mounting plate face 34, and now cabinet door is fully opened.By arranging this upper mounting plate face 34, can carry out spacing to cabinet door when cabinet door is opened, avoid open up row cabinets deposit or take large numbers of items time constantly switch gate and cause cold air to run off, effectively extend the service life of compressor.
Please continue to refer to Fig. 1, Fig. 2 and Fig. 3, the present invention is arranged between the cabinet of food refrigerated display cabinet and cabinet door, during enabling, user's manual unlocking cabinet door, in door opening process, axle sleeve 4 rotates around lower column sleeve 3, first oblique surface 32 and the second oblique surface 411 stagger because of relative sliding simultaneously, when relative first oblique surface 32 of the second oblique surface 411 slides to highest order and limiting platform face 412 is resisted against upper mounting plate face 34, cabinet door is fully opened, and when now user's hand leaves cabinet door, cabinet door can not be closed automatically.When cabinet door closed by needs, user only need slightly exert oneself to pull cabinet door toward direction of closing the door, when upper mounting plate face 34 is left in limiting platform face 412, due to the Action of Gravity Field of cabinet door, second oblique surface 411 will glide along the first oblique surface 32 automatically, drive axle sleeve 4 to rotate to direction of closing the door around lower column sleeve 3, until limiting platform face 412 abuts on lower platform face 33, now cabinet door is fully closed.Door engine structure of the present invention is simple, easy for installation, and not only for for food refrigerated display cabinet, can also need the product of automatic door-closing for such as vertical freezer, wine cabinet and disinfection cabinet etc.
Claims (4)
1.
a kind of door engine of food refrigerated display cabinet, be arranged between the cabinet of showcase and cabinet door, it comprises one for being fixed to door-hinge holder (1) and on cabinet doorframe for being fixed to the cabinet door fixed head (2) on cabinet door, described door-hinge holder (1) is provided with lower column sleeve (3), and described lower column sleeve (3) has a door-hinge (31) towards the central authorities of a upper side surface in a state of use, described cabinet door fixed head (2) is upper and position corresponding to lower column sleeve (3) is provided with axle sleeve (4), the central authorities of described axle sleeve (4) form lower column sleeve accommodating cavity (41) and door-hinge accommodating cavity (42) from below to up successively along short transverse, described lower column sleeve (3) is contained in described lower column sleeve accommodating cavity (41) rotationally, the top of described door-hinge (31) upwards extends and inserts in door-hinge accommodating cavity (42), it is characterized in that: described lower column sleeve (3) is on sidewall and form the first oblique surface (32) around circumferencial direction, described axle sleeve (4) forms the second oblique surface (411) matched with described the first oblique surface (32) in lower column sleeve accommodating cavity (41), when described axle sleeve (4) rotates around lower column sleeve (3), first oblique surface (32) and the second oblique surface (411) formation are slidably matched.
2.
the door engine of food refrigerated display cabinet according to claim 1, it is characterized in that described lower column sleeve (3) at sidewall and be positioned at the first oblique surface (32) bottom formed lower platform face (33), lower column sleeve (3) at sidewall and be positioned at the first oblique surface (32) top formed upper mounting plate face (34); Described the second oblique surface (411) forms a limiting platform face (412) in bottom, when the second oblique surface (411) slides to lowest order under the first oblique surface (32), limiting platform face (412) is resisted against on described lower platform face (33), when the second oblique surface (411) is along when the first oblique surface (32) slides to highest order, limiting platform face (412) are resisted against on described upper mounting plate face (34).
3.
the door engine of food refrigerated display cabinet according to claim 1, it is characterized in that described cabinet door fixed head (2) offers axle sleeve hole (21), described axle sleeve (4) is through axle sleeve hole (21) and protrude from the upper surface of cabinet door fixed head (2), the base of described axle sleeve (4) outwards turns down and forms axle sleeve limit (43), fits with the lower surface of cabinet door fixed head (2) and realize fixing the spacing of axle sleeve (4) in described axle sleeve limit (43).
4.
the door engine of food refrigerated display cabinet according to claim 1, is characterized in that described the first oblique surface (32) and the second oblique surface (411) are spiral helicine even surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510122066.2A CN104729202A (en) | 2015-03-19 | 2015-03-19 | Automatic door closing device of food cold storage displaying case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510122066.2A CN104729202A (en) | 2015-03-19 | 2015-03-19 | Automatic door closing device of food cold storage displaying case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104729202A true CN104729202A (en) | 2015-06-24 |
Family
ID=53453339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510122066.2A Pending CN104729202A (en) | 2015-03-19 | 2015-03-19 | Automatic door closing device of food cold storage displaying case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104729202A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202855A (en) * | 2015-08-10 | 2015-12-30 | 广州旺东大菜园冷链有限公司 | Automatic door closing device of cellular refrigerator |
| CN109028734A (en) * | 2018-05-21 | 2018-12-18 | 青岛海尔股份有限公司 | A kind of refrigerator |
| CN111350428A (en) * | 2020-03-20 | 2020-06-30 | 合肥华凌股份有限公司 | Hinge and refrigeration equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138743A (en) * | 1991-06-21 | 1992-08-18 | White Consolidated Industries, Inc. | Refrigerator door closing device |
| CN2447703Y (en) * | 2000-10-16 | 2001-09-12 | 海尔集团公司 | Vertical refrigerator with automatic opening or closing door |
| CN2497250Y (en) * | 2001-09-19 | 2002-06-26 | 广东科龙电器股份有限公司 | Automatic-closing refrigerator |
| CN2515617Y (en) * | 2001-12-24 | 2002-10-09 | 苏州三星电子有限公司 | Automatic door-closing mechanism for refrigerator |
| JP2010127477A (en) * | 2008-11-25 | 2010-06-10 | Sharp Corp | Refrigerator |
| EP2730867A2 (en) * | 2012-11-09 | 2014-05-14 | Samsung Electronics Co., Ltd | Refrigerator |
| CN204513891U (en) * | 2015-03-19 | 2015-07-29 | 苏州市小伙伴电器有限公司 | The door engine of food refrigerated display cabinet |
-
2015
- 2015-03-19 CN CN201510122066.2A patent/CN104729202A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138743A (en) * | 1991-06-21 | 1992-08-18 | White Consolidated Industries, Inc. | Refrigerator door closing device |
| CN2447703Y (en) * | 2000-10-16 | 2001-09-12 | 海尔集团公司 | Vertical refrigerator with automatic opening or closing door |
| CN2497250Y (en) * | 2001-09-19 | 2002-06-26 | 广东科龙电器股份有限公司 | Automatic-closing refrigerator |
| CN2515617Y (en) * | 2001-12-24 | 2002-10-09 | 苏州三星电子有限公司 | Automatic door-closing mechanism for refrigerator |
| JP2010127477A (en) * | 2008-11-25 | 2010-06-10 | Sharp Corp | Refrigerator |
| EP2730867A2 (en) * | 2012-11-09 | 2014-05-14 | Samsung Electronics Co., Ltd | Refrigerator |
| CN204513891U (en) * | 2015-03-19 | 2015-07-29 | 苏州市小伙伴电器有限公司 | The door engine of food refrigerated display cabinet |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202855A (en) * | 2015-08-10 | 2015-12-30 | 广州旺东大菜园冷链有限公司 | Automatic door closing device of cellular refrigerator |
| CN109028734A (en) * | 2018-05-21 | 2018-12-18 | 青岛海尔股份有限公司 | A kind of refrigerator |
| CN109028734B (en) * | 2018-05-21 | 2021-09-10 | 海尔智家股份有限公司 | A kind of refrigerator |
| CN111350428A (en) * | 2020-03-20 | 2020-06-30 | 合肥华凌股份有限公司 | Hinge and refrigeration equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |