CN201381729Y - Hinge structure of refrigerator door body - Google Patents
Hinge structure of refrigerator door body Download PDFInfo
- Publication number
- CN201381729Y CN201381729Y CN200920118692U CN200920118692U CN201381729Y CN 201381729 Y CN201381729 Y CN 201381729Y CN 200920118692 U CN200920118692 U CN 200920118692U CN 200920118692 U CN200920118692 U CN 200920118692U CN 201381729 Y CN201381729 Y CN 201381729Y
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- hinge
- hole
- spring
- door body
- axis
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Abstract
The utility model discloses a hinge structure of refrigerator door body, which comprises a connecting piece, wherein a mounting through-hole is arranged on the connecting piece, a hinge shaft is arranged in the mounting through-hole, a screw is arranged on the lower end of the hinge shaft, a lower hinge and an upper hinge which are inosculated are sleeved on the hinge shaft, the lower hinge and the hinge shaft are relatively fixed, the circumference of the upper hinge is located in the mounting through-hole of the connecting piece, and can move up and down along the axial line direction of the hinge shaft, a spring is further arranged in the mounting through-hole, the lower end of the spring is supported with the upper hinge, and the upper end of the spring is supported with the connecting piece through a spring plug, wherein through-holes which can allow connecting wires to pass through are arranged on the spring plug and the hinge shaft along the axial line direction of the hinge shaft. Through the technical scheme, the connecting wires between the refrigerator door body and a refrigerator body are arranged in a hinge structure in a hiding way, not only the refrigerator door body can automatically close, but also the wires can be prevented from exposing outside to affect the appearance of a refrigerator and easily damaging, and the service life is improved.
Description
Technical field
The utility model belongs to the door hinge technical field, particularly relates to a kind of freezer door body hinge arrangement especially reach-in refrigerator door body, that can close automatically that is used for.
Background technology
Publication number is the automatic closing structure that the patent documentation of CN101135218A discloses a kind of reach-in refrigerator door body, comprise a L shaped connector, have the installation through hole that hinge axis is installed on one supporting walls of L shaped connector, the interior setting of through hole is installed can be around the hinge axis of its rotational, the lower end of hinge axis is stretched out through hole to be installed and to be formed and is used for the circumferentially screw socket of location, be arranged with following hinge and the upper hinge that matches on the part of hinge axis in through hole is installed, the matching surface of following hinge and upper hinge is the cam surface that is made of inclined-plane and flat upper surface, following hinge and hinge axis relative fixed, upper hinge and connector are circumferentially fixed and can be moved up and down along the axis direction of hinge axis in through hole is installed, install in the through hole and also be provided with spring, spring lower end and upper hinge offset, and the spring upper end offsets by end cap of the spring and connector.Whole automatic closing structure be installed in freezer door body the top and (or) below, connector and freezer door body fixation, screw socket on the hinge axis is positioned on the locating part of refrigerator cabinet, like this, when freezer door body is opened, produce relative rotation with respect to following hinge by upper hinge, the dislocation of both cam surface makes and moves the compression spring on the upper hinge, when the external force of opening freezer door body disappears, under the effect of freezer door body deadweight and spring force, thereby upper hinge moves down rotation promotion freezer door body to closing up the direction rotation along the inclined-plane of cam surface, matches until upper hinge and following hinge, and promptly freezer door body is closed.
But, existing freezer door body is generally the laminated glass structure, between layer glass, be provided with illuminating lamp or other electric mechanisms, these mechanisms all need to be connected with power supply on the refrigerator cabinet by lead, because freezer door body is to be connected with the refrigerator cabinet by hinge arrangement, so, connect general exposure of lead and be arranged on the side of refrigerator near hinge arrangement, influence overall appearance and also dangerous and easy damage.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model provides a kind of hinge arrangement of freezer door body, connection lead between freezer door body and the refrigerator cabinet can be hidden and be arranged in the hinge arrangement, not only can close freezer door body effectively automatically but also avoid lead to expose influence refrigerator outward appearance and damage easily.
To achieve the above object, the utility model has adopted following technical scheme:
A kind of hinge arrangement of freezer door body, comprise that one is fixedly connected on the connector on the freezer door body, have the installation through hole that hinge axis is installed on the connector, install in the through hole rotating hinge axis is set, the lower end of hinge axis is stretched out and through hole is installed and is provided with the screw socket that is used to locate, be arranged with following hinge and the upper hinge that matches on the part of hinge axis in through hole is installed, the matching surface of following hinge and upper hinge is the cam surface that is made of inclined-plane and flat upper surface, following hinge and hinge axis relative fixed, upper hinge circumferentially is positioned in the installation through hole of connector and can moves up and down along the axis direction of hinge axis, install in the through hole and also be provided with spring, spring lower end and upper hinge offset, the spring upper end offsets by end cap of the spring and connector, wherein, having on described end cap of the spring and the hinge axis can lead passes through for being connected, through hole along the axis direction of hinge axis.
As preferably, above-mentioned hinge axis and play hinge adopt at steel pipe outside die-cast metal alloy one-body molded, the through hole of the steel pipe hole of described steel pipe for passing through for the connection lead.
As preferably, the outer circumference surface of above-mentioned steel pipe is provided with a plurality of slot rollings that extend along the axis direction of hinge axis, and the metal alloy of described die casting covers the outer circumference surface of steel pipe.
The utility model is owing to adopted above technical scheme, connection lead between freezer door body and the refrigerator cabinet hidden be arranged in the hinge arrangement, not only can close freezer door body effectively automatically but also avoid lead to expose influence refrigerator outward appearance and damage easily.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the plan structure schematic diagram of connector.
Fig. 4 is the structural representation of hinge axis.
Fig. 5 is the lateral view of Fig. 4.
Fig. 6 is the B-B sectional view of Fig. 4.
Fig. 7 is the structural representation (partly cuing open) of steel pipe.
Fig. 8 is that the K of Fig. 7 is to view.
Fig. 9 is the structural representation of upper hinge.
Figure 10 is the C-C sectional view of Fig. 9.
Figure 11 is the upward view of Fig. 9.
Figure 12 is the structural representation of end cap of the spring.
Figure 13 is the upward view of Figure 12.
Figure 14 is the D-D sectional view of Figure 13.
Figure 15 is the vertical view of Figure 12.
Figure 16 is a scheme of installation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is made a detailed explanation.
Embodiment 1:
As Fig. 1, the hinge arrangement of a kind of freezer door body shown in Figure 2, comprise a connection piece 1, have the installation through hole 11 that hinge axis 2 is installed on the connector 1, through hole 11 interior settings are installed can be around the hinge axis 2 of its rotational, the lower end of hinge axis 2 is stretched out through hole 11 to be installed and to be formed and is used for the circumferentially screw socket 22 of location, be arranged with following hinge 21 and the upper hinge 6 that matches on the part of hinge axis 2 in through hole 11 is installed, the matching surface of following hinge 21 and upper hinge 6 is the cam surfaces that are made of inclined-plane and flat upper surface, following hinge 21 and hinge axis 2 relative fixed, upper hinge 6 is circumferentially fixed with connector 1 and can be moved up and down along the axis direction of hinge axis 2 in through hole 11 is installed, install in the through hole 11 and also be provided with spring 5, spring 5 lower ends and upper hinge 6 offset, spring 5 upper ends offset by end cap of the spring 4 and connector 1, wherein, having on described end cap of the spring 4 and the hinge axis 2 can be for being connected the central through hole 44 that lead passes through, 28.
In the present embodiment, the L shaped connector of connector 1 for there being two support arms to constitute, described installation through hole 11 is arranged on one of them support arm, as shown in Figure 3, the axis extension of through hole 11 along hinge axis 2 is installed, in being installed, through hole 11 is provided with four stopper slots 12 of circumferential location, through hole 11 bottoms are installed are provided with the axis hole 13 that only passes through for the lower end of hinge axis 2, being arranged with wear-resisting axle sleeve 7 on the lower end of hinge axis 2 cooperates with bottom and axis hole 13 that through hole 11 is installed, thereby axle sleeve 7 materials are nylon or polyformaldehyde has scuff resistance preferably, can certainly adopt bearing; Shown in Fig. 4～6, hinge axis 2 and following hinge 21 one die casts, the following cam of the matching surface of following hinge 21 for constituting by inclined-plane 23 and flat upper surface 24, degree of agreement reduces wear thereby inclined-plane 23 is for two-sided symmetrical spiralization has preferably, the polygon prism that screw socket 22 is formed in one, here need to prove, general die casting also is not suitable for forming central through hole 28, can influence the support strength and the torsional strength of die casting like this, therefore the inventor has adopted specific process to come the moulding hinge axis, shown in Fig. 7～8, the steel pipe 25 of selecting length to be fit to, (preferably on the outer circumference surface of whole steel pipe 25, all process slot rolling certainly at steel pipe 25 near processing equally distributed a plurality of slot rolling 27 that extends along the axis direction of hinge axis 2 on the outer circumference surface of an end, but can increase difficulty of processing like this), the outside that then zinc alloy diecasting is molded over steel pipe 25 forms hinge axis 2 and following hinge 21 and screw socket 22, kirsite covers the outer circumference surface of steel pipe 25, and the steel pipe hole forms the through hole 28 that can supply lead to pass through, the end that steel pipe 25 has slot rolling 27 is used for hinge 21 and screw socket 22 under the moulding, because this section hinge axis need bear bigger torsion when the freezer door body switch, so thereby the adhesion raising torsional strength that slot rolling can improve steel pipe and outer zinc die casting alloys is set, adopt the integrated hinge axis of said method to have higher support strength, torsional strength and scuff resistance can reach instructions for use fully; Shown in Fig. 9～11, upper hinge 6 is made of flat upper surface 65 and inclined-plane 63 with the lower surface that following hinge 21 coincide, degree of agreement reduces wear thereby inclined-plane 63 is for two-sided symmetrical spiralization has preferably, the centre bore 64 of upper hinge 6 cooperates socket with hinge axis 2, the upper end of upper hinge 6 is formed with the annular convex edge 61 of socket spring 5, thereby the sidewall of upper hinge 6 is provided with the spacing raised line 62 that four stopper slots 12 in the installation through hole 11 with connector 1 match and guarantees that upper hinges 6 can move up and down and not rotate in through hole 11 is installed, upper hinge 6 is the polyformaldehyde injection molding part, thereby has scuff resistance preferably; Shown in Figure 12～15, end cap of the spring 4 is similarly nylon or polyformaldehyde injection molding part, end cap of the spring 4 lower ends are provided with the round ring boss 42 of socket spring 5, thereby this round ring boss 42 extends the length of growing guarantees that its support strength is connected lead with convenience and passes, thereby end cap of the spring 4 sidewalls are provided with the spacing raised line 43 that four four stopper slots 12 in the installation through hole 11 with connector 1 match and guarantee that end cap of the spring 4 can move up and down and not rotate in through hole 11 are installed, end cap of the spring 4 upper ends are provided with two draw-in grooves 41, on the relevant position of connector 1, be provided with screw, two screws are gone into and are threaded with the screw of offside from the sidespin that through hole 11 is installed, thereby the stage casing of such two screws can snap in the draw-in groove 41 of end cap of the spring 4 to be fixed on end cap of the spring 4 in the installation through hole 11 of connector 1, simultaneously, because end cap of the spring 4 supports fashionable spring 5 and is compressed, so after whole hinge arrangement installation, spring 5 is given upper hinge 6 all the time, 2 one downward pressure of following hinge 21 and hinge axis, at upper hinge 6, when following hinge 21 produces relative rotation dislocation, upper hinge 6 will on move the compression spring 5, therefore, spring 5 is given the trend that upper hinge 6 and following hinge 21 match all the time.
As shown in figure 16, this hinge arrangement 100 hide the top that is installed in freezer door body 200 and (or) below, connector 1 is by screw and freezer door body 200 fixations, screw socket 22 on the hinge axis 2 is positioned on the locating part 300 of refrigerator cabinet, connects the through hole that lead 400 passes in the hinge arrangement 100 and is connected with power supply or circuit on the refrigerator cabinet.Like this, when freezer door body 200 is opened, produce relative rotation with respect to following hinge 22 by upper hinge 6, the dislocation of both cam surface makes and moves compression spring 5 on the upper hinge 6, when the external force of opening freezer door body 200 disappeared, under the effect of freezer door body 200 deadweights and spring 5 elastic force, thereby upper hinge 6 moved down to rotate along the inclined-plane of cam surface and promotes freezer door body 200 to closing up the direction rotation, match until upper hinge 6 and following hinge 22, promptly freezer door body is closed.Connecting lead in the overall appearance of freezer door body or in door body switching process all is unexposed in being hidden in, so and, avoided the wearing and tearing of connection lead and pulled apart because what connect that lead passes through is that the center of hinge axis does not exist yet and reverses and pull the problem that is connected lead.
The cam surface that the main wearing and tearing of this hinge arrangement coincide mutually at upper hinge 6 and following hinge 22, the wearing and tearing of two cam surfaces can cause both to coincide closely not produce the gap and then to cause freezer door body can't close tight generation pine and move back, the rub proofness of these two parts depends primarily on the selection of its material, and the inventor has carried out durability experiment to this.Upper hinge is selected nylon or polyformaldehyde material for use, the metal alloy aluminium alloy or the kirsite of die cast hinge axis and following hinge, adopt same forming method and structure, the hinge that assembles is contained on the freezer door body of the same type and is installed on the refrigerator of the same type, employing open the door machinery open the door to 60 the degree after let alone to close automatically, detect the seal of closing the door of freezer door body by sensor, until freezer door body (the identical gap that is generally hinge up and down is greater than 4mm) the record door opening times of can't closing the door when airtight, the durability experiment data are as follows:
| Material | Door opening times (ten thousand times) |
| Upper hinge: nylon; Following hinge: aluminium alloys; | 15 |
| Upper hinge: nylon; Following hinge: kirsite; | 18 |
| Upper hinge: polyformaldehyde; Following hinge: aluminium alloys; | 26 |
| Upper hinge: polyformaldehyde; Following hinge: kirsite; | 30 |
Therefore upper hinge selects for use polyformaldehyde profiled member, following hinge and hinge axis to adopt the zinc alloy diecasting moulding to have best abrasion resistance.
Claims (3)
1. the hinge arrangement of a freezer door body, comprise that one is fixedly connected on the connector (1) on the freezer door body (200), have the installation through hole (11) that hinge axis (2) is installed on the connector (1), install in the through hole (11) rotating hinge axis (2) is set, the lower end of hinge axis (2) is stretched out and through hole (11) is installed and is provided with the screw socket (22) that is used to locate, be arranged with following hinge (21) and the upper hinge (6) that matches on the part of hinge axis (2) in through hole (11) is installed, the matching surface of following hinge (21) and upper hinge (6) is the cam surface that is made of inclined-plane and flat upper surface, following hinge (21) and hinge axis (2) relative fixed, upper hinge (6) circumferentially is positioned in the installation through hole (11) of connector (1) and can moves up and down along the axis direction of hinge axis (2), install in the through hole (11) and also be provided with spring (5), spring (5) lower end and upper hinge (6) offset, spring (5) upper end offsets by end cap of the spring (4) and connector (1), it is characterized in that having on described end cap of the spring (4) and the hinge axis (2) can lead (400) passes through for being connected, through hole (44 along the axis direction of hinge axis (2), 28).
2. the hinge arrangement of a kind of freezer door body according to claim 1, it is characterized in that, described hinge axis (2) and following hinge (21) adopt at steel pipe (25) outside die-cast metal alloy one-body molded, and the steel pipe hole of described steel pipe (25) is for supplying to connect the through hole (28) that lead (400) passes through.
3. the hinge arrangement of a kind of freezer door body according to claim 2, it is characterized in that, the outer circumference surface of described steel pipe (25) is provided with a plurality of slot rollings (27) that extend along the axis direction of hinge axis (2), and the metal alloy of described die casting covers the outer circumference surface of steel pipe (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920118692U CN201381729Y (en) | 2009-04-27 | 2009-04-27 | Hinge structure of refrigerator door body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920118692U CN201381729Y (en) | 2009-04-27 | 2009-04-27 | Hinge structure of refrigerator door body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201381729Y true CN201381729Y (en) | 2010-01-13 |
Family
ID=41525205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920118692U Expired - Fee Related CN201381729Y (en) | 2009-04-27 | 2009-04-27 | Hinge structure of refrigerator door body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201381729Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545345B (en) * | 2009-04-27 | 2012-11-21 | 德清县三星塑料化工有限公司 | Hinge structure of freezer door body |
| CN106703573A (en) * | 2013-11-28 | 2017-05-24 | 苏州征之魂专利技术服务有限公司 | Rotating shaft structure of rotating door/window quickly mounted in T-shaped groove |
| CN115003072A (en) * | 2022-05-23 | 2022-09-02 | 中国船舶集团有限公司第七二三研究所 | High-bearing self-limiting hinge device |
-
2009
- 2009-04-27 CN CN200920118692U patent/CN201381729Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545345B (en) * | 2009-04-27 | 2012-11-21 | 德清县三星塑料化工有限公司 | Hinge structure of freezer door body |
| CN106703573A (en) * | 2013-11-28 | 2017-05-24 | 苏州征之魂专利技术服务有限公司 | Rotating shaft structure of rotating door/window quickly mounted in T-shaped groove |
| CN115003072A (en) * | 2022-05-23 | 2022-09-02 | 中国船舶集团有限公司第七二三研究所 | High-bearing self-limiting hinge device |
| CN115003072B (en) * | 2022-05-23 | 2023-05-26 | 中国船舶集团有限公司第七二三研究所 | High-bearing self-limiting hinge device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG SANXING NEW MATERIAL CO., LTD. Free format text: FORMER OWNER: DEQING COUNTY SANXING PLASTICS CHEMICAL CO., LTD. Effective date: 20120917 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120917 Address after: 313213 Zhejiang province Huzhou city Deqing County Town Road No. 333 Yu Hangzhou Patentee after: Zhejiang Sanxing New Materials Co., Ltd. Address before: 313213 Zhejiang Province, Deqing County Hangzhou Yu Yue Zhen Road No. 333 Patentee before: Deqing County Sanxing Plastics Chemical Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20160427 |