CN219638648U - Opening angle opening switching type hinge and refrigerator - Google Patents
Opening angle opening switching type hinge and refrigerator Download PDFInfo
- Publication number
- CN219638648U CN219638648U CN202321180710.8U CN202321180710U CN219638648U CN 219638648 U CN219638648 U CN 219638648U CN 202321180710 U CN202321180710 U CN 202321180710U CN 219638648 U CN219638648 U CN 219638648U
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- hinge
- opening angle
- hinge plate
- arc surface
- limiting
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- 230000007704 transition Effects 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model relates to the technical field of hinge parts, and provides an opening angle and opening degree switching type hinge which comprises a first hinge plate, wherein a hinge shaft is fixedly arranged on the first hinge plate; the second hinge plate is provided with a travel groove; a limiting through hole is formed in a preset position of the bottom of the travel groove; the second hinge plate can rotate relative to the first hinge plate; the hinge shaft is in rotary and/or sliding fit with the second hinge plate; the hinge shaft comprises a limit part positioned in the travel slot; the opening angle limiting assembly is fixed with the relative position of the second hinge plate and is provided with a limiting column; the limit post can extend into or separate from the travel groove through the limit through hole. Therefore, the utility model can realize the extending or separating state in the travel groove by pressing the limit column, thereby switching the maximum opening angle of the hinge. The operation is convenient and fast, and the universality is good. The utility model also provides a refrigerator with the hinge, and convenient switching of different opening angles of the door body is realized.
Description
Technical Field
The utility model belongs to the technical field of hinge components, and particularly relates to an opening angle and opening degree switching type hinge and a refrigerator.
Background
For convenient use, the door opening angles of the existing refrigerator are designed according to the door opening angles in a free use state, namely, the opening angle of the refrigerator door is far greater than 90 degrees. However, with the trend of home decoration style, the designs of the integral kitchen, the embedded refrigerator and the like are more and more popular. In order to avoid striking the cabinet after opening the door, the opening angle of the embedded refrigerator cannot be larger than 90 degrees, so that the refrigerator with a free opening angle cannot be suitable.
Because of the diversity of customer demands, it is difficult for a single maximum angle refrigerator to accommodate market demands.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the utility model can realize the extending or separating state in the travel groove by pressing the limit column, thereby switching the maximum opening angle of the hinge. The operation is convenient and fast, and the universality is good. The utility model also provides a refrigerator with the hinge, and convenient switching of different opening angles of the door body is realized.
In order to solve the above problems, the present utility model provides an angle opening switching hinge, which includes a first hinge plate, a hinge shaft is fixedly arranged;
the second hinge plate is provided with a travel groove; a limiting through hole is formed in a preset position of the bottom of the travel groove; the second hinge plate can rotate relative to the first hinge plate;
the hinge shaft is in rotary and/or sliding fit with the second hinge plate; the hinge shaft comprises a limit part positioned in the travel slot;
the opening angle limiting assembly is fixed with the relative position of the second hinge plate and is provided with a limiting column; the limit post can extend into or separate from the travel groove through the limit through hole.
According to the opening angle opening switching type hinge, the hinge shaft is arranged in the travel slot; the hinge shaft comprises a small arc surface and a large arc surface which have a common virtual center; the two ends of the small arc surface and the large arc surface are respectively connected with a transition arc surface; the transition arc surface is provided with a transition circle center; the large arc surface is a limiting part; the side wall of the travel groove comprises a plurality of arc surfaces which are connected in sequence, and the radius of each arc surface is the same as that of the corresponding small arc surface, large arc surface or transitional arc surface; in the rotating process of the second hinge plate, at least one arc surface in the travel groove is completely fit with one of the small arc surface, the large arc surface or the two transition arc surfaces.
According to the opening angle opening switching hinge, the end face of the hinge shaft is fixedly connected with the stabilizing column, and the bottom of the travel slot is also provided with the stabilizing slot which is in sliding fit with the stabilizing column.
According to the opening angle opening switching type hinge, the hinge shaft comprises a rotating column fixedly arranged on the first hinge plate, and the second hinge plate is provided with a rotating column jack matched with the rotating column.
According to the opening angle opening switching hinge, the limiting part is a limiting column fixedly arranged on the first hinge plate, and the limiting column is slidably arranged in the arc-shaped travel groove.
According to the opening angle opening switching type hinge, the rotary column jack is located in the travel groove, and the limiting part is a limiting protrusion fixedly arranged on the rotary column.
According to the opening angle opening switching hinge, the opening angle limiting assembly further comprises a guide cylinder, and the limiting column is sleeved in the guide cylinder and can slide back and forth along the axial direction of the guide cylinder; the limiting column also rotates to be inserted with a rotating shaft, and the rotating shaft is also sleeved with a reset spring; the reset spring is sleeved in the fixed cylinder;
a plurality of guide grooves are uniformly arranged on the cylinder body of the guide cylinder in a surrounding manner, and a plurality of anti-rotation blocks which are in sliding fit with the guide grooves are fixedly arranged on the outer wall of the limit column;
a plurality of guide blocks which can be in interactive fit with the guide grooves are uniformly arranged on the shaft body of the rotating shaft in a surrounding manner; one end of the guide block, which faces the limit column, is provided with a rotary inclined plane; the end face of the limiting column, which faces the rotating shaft, is provided with driving teeth which are matched with the rotating inclined plane and uniformly undulate.
According to the opening angle opening switching hinge, two ends of the rotating shaft are respectively fixedly provided with one plug-in connection part, one plug-in connection part is movably plugged in the limit column, and the other plug-in connection part is sleeved with the reset spring.
According to the opening angle opening switching hinge, a toothed structure for fixing the guide block is formed on the end face of the guide cylinder; the tooth-shaped structure is provided with an inclined surface attached to the rotary inclined surface and a vertical surface attached to the side vertical surface of the guide block.
The refrigerator is provided with a refrigerator body and a door body, wherein the refrigerator body and the door body are connected through the opening angle opening switching type hinge; the first hinge plate is fixed on the box body, and the second hinge plate and the opening angle limiting assembly are arranged on the door body in a rotating mode.
In summary, the utility model can realize the extending or separating state in the travel groove by pressing the limit post, thereby switching the maximum opening angle of the hinge. The operation is convenient and fast, and the universality is good. The utility model also provides a refrigerator with the hinge, and convenient switching of different opening angles of the door body is realized.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a hinge assembly of the present utility model;
FIG. 2 is a schematic view of an embodiment of the first hinge plate of FIG. 1;
FIG. 3 is a schematic view of an embodiment of the second hinge plate of FIG. 1;
FIG. 4 is a schematic cross-sectional view of the structure of FIG. 1 in the direction A;
FIG. 5 is a schematic view of the structure of a portion of the area in FIG. 4;
FIG. 6 is a schematic view of the structure of a portion of the area in FIG. 5;
FIG. 7 is a schematic view of the stopper post of FIG. 4;
FIG. 8 is a schematic view of the guide cylinder of FIG. 4;
FIG. 9 is a schematic view of the rotor structure of FIG. 4;
FIG. 10 is a schematic view of an embodiment of the first hinge plate of FIG. 1;
FIG. 11 is a schematic view of the structure of the hinge assembly of the present utility model in a limited open angle condition;
FIG. 12 is a schematic view of the structure of the hinge assembly of the present utility model in a free open angle condition;
FIG. 13 is an exploded view of one embodiment of a hinge assembly of the present utility model;
FIG. 14 is a schematic view of an embodiment of the first hinge plate of FIG. 13;
FIG. 15 is a schematic view of an embodiment of the second hinge plate of FIG. 13;
FIG. 16 is a schematic view of an embodiment of the first hinge plate of FIG. 13;
FIG. 17 is a schematic view of an embodiment of the second hinge plate of FIG. 13;
fig. 18 is a schematic structural view of a refrigerator of the present utility model;
FIG. 19 is a schematic view showing different open angle states of a refrigerator door according to the present utility model;
in the figure: 1-a first hinge plate, 10-a yielding hole, 11-a hinge shaft, 111-a stabilizing column, 112-a small arc surface, 113-a large arc surface, 114-a transitional arc surface, 115-a virtual circle center and 116-a transitional circle center; 12-rotating columns, 121-limit protrusions and 122-limit columns; the second hinge plate is 2-the second hinge plate is 21-the travel groove is 22-the limit through hole is 23-the stabilizing groove is 24-the rotary column jack; 3-fixed cylinder, 31-limit column, 311-anti-rotation block and 312-driving teeth; 32-rotating shafts, 321-plug-in parts, 322-guide blocks and 323-rotating inclined planes; 33-return spring, 34-guide cylinder, 341-guide groove; 100-box, 200-door and 201-upper decorative strip.
Detailed Description
Referring to FIGS. 1 and 2, the present utility model provides an opening angle and opening degree switching type hinge, comprising
The first hinge plate 1 is fixedly provided with a hinge shaft 11;
referring to fig. 3, the second hinge plate 2 is provided with a stroke groove 21; a limiting through hole 22 is formed in a preset position of the bottom of the travel groove 21; the second hinge plate 2 is rotatable relative to the first hinge plate 1;
the hinge shaft 11 is in rotary and/or sliding fit with the second hinge plate 2; the hinge shaft 11 includes a limit part in the travel slot 21;
referring to fig. 4, the open angle limiting assembly, which is fixed in position relation with the second hinge plate 2, has a limiting post 31; the limit post 31 can extend into or separate from the travel groove 21 through the limit through hole 22;
referring to fig. 11, the limit post 31 extends into the travel slot 21, the limit portion of the hinge shaft 11 abuts against the limit post 31, and the second hinge plate 2 is in a limited open angle state;
referring to fig. 12, the limit post 31 is separated from the travel groove 21, the travel groove 21 is structured to form the maximum opening angle of the hinge, and the second hinge plate 2 is in a free opening angle state;
the maximum opening angle of the hinge can be switched by changing the state that the limit post 31 is extended into or separated from the travel groove 21.
Referring to fig. 5, as an embodiment, the angular limiting assembly of the present utility model further includes a guide cylinder 34, and the limiting post 31 is sleeved in the guide cylinder 34 and can slide reciprocally along the axial direction of the guide cylinder 34; the limiting column 31 also rotates the inserting rotating shaft 32, and the rotating shaft 32 is also sleeved with the reset spring 33; the return spring 33 is sleeved in the fixed cylinder 3;
referring to fig. 7 and 8, a plurality of guide grooves 341 are uniformly and annularly arranged on the cylinder body of the guide cylinder 34, and a plurality of anti-rotation blocks 311 which are in sliding fit with the guide grooves 341 are fixedly arranged on the outer wall of the limit column 31;
referring to fig. 9, two ends of the rotating shaft 32 are respectively and fixedly provided with a plug-in portion 321, wherein one plug-in portion 321 is movably plugged into the limit post 31, and the other plug-in portion 321 is sleeved with the return spring 33;
a plurality of guide blocks 322 which can be in interactive fit with the guide grooves 341 are uniformly arranged on the shaft body of the rotating shaft 32 in a surrounding manner; a rotary inclined plane 323 is arranged at one end of the guide block 322 facing the limit post 31; the end surface of the limit post 31 facing the rotating shaft 32 is provided with uniform undulating driving teeth 312 matched with the rotating inclined plane 323;
referring to fig. 6, the stopper 31 is pressed, the driving teeth 312 come into contact with the rotation inclined surface 323, and a pressure is generated on the rotation inclined surface 323, and a force component of the pressure in the circumferential direction rotates the rotation shaft 32; specific:
the state that the limit post 31 extends into the travel groove 21: the guide block 322 is located in the guide groove 341 at this time; pressing the limit column 31, the driving teeth 312 contact the rotating inclined plane 323 and push the guide block 322 to slide along the guide groove 341 until the guide block 322 slides out of the guide groove 341; the return spring 33 is compressed. At this time, the rotation shaft 32 rotates, the rotation slope 323 abuts against the end surface of the guide cylinder 34, and the stopper post 31 is switched to a state of being separated from the stroke groove 21.
Preferably, the end surface of the guide cylinder 34 is formed with a tooth-like structure for fixing the guide block 322; the tooth structure has an inclined surface attached to the rotating inclined surface 323 and a vertical surface attached to the side vertical surface of the guide block 322;
the state that the limit post 31 is separated from the travel groove 21: pressing the limit post 31, compressing the return spring 33, rotating the rotating shaft 32 to return the guide block 322 to the guide groove 341; after that, the stopper 31 is released, and the return spring 33 releases the elastic energy, so that the stopper 31 is switched to be in a state of being extended into the stroke groove 21.
The utility model can realize the extending or separating state in the travel groove 21 by pressing the limit column 31, thereby switching the maximum opening angle of the hinge. The operation is convenient and fast, and the universality is good.
The hinge shaft 11 of the present utility model also has the following embodiments:
in the first embodiment, referring to fig. 2 and 11, the hinge shaft 11 of the present utility model is provided in the travel slot 21; the hinge shaft 11 comprises a small arc surface 112 and a large arc surface 113 which have a common virtual center 115; both ends of the small arc surface 112 and the large arc surface 113 are respectively connected with a transition arc surface 114; the transition arc surface 114 has a transition center 116; the large arc surface 113 is a limiting part; the side wall of the travel groove 21 comprises a plurality of arc surfaces which are connected in sequence, and the radius of each arc surface is the same as that of the corresponding small arc surface 112, large arc surface 113 or transitional arc surface 114;
during the rotation of the second hinge plate 2, at least one arc surface in the travel groove 21 is completely fit with one of the small arc surface 112, the large arc surface 113 or the two transition arc surfaces 114; along with the rotation of the second hinge plate 2, the hinge shaft 11 rotates while sliding in the travel slot 21, so that the rotation center of the second hinge plate 2 is switched between the virtual circle center 115 and the two transition circle centers 116, and the second hinge plate 2 slides longitudinally or transversely relative to the first hinge plate 1 in the rotation process.
Preferably, the end face of the hinge shaft 11 is fixedly connected with a stabilizing column 111, and the bottom of the travel slot 21 is also provided with a stabilizing slot 23 in sliding fit with the stabilizing column 111; the smooth transition is realized in the process of switching the rotation center of the second hinge plate 2 between the virtual circle center 115 and the two transition circle centers 116.
The present embodiment can also slidingly dispose the hinge shaft 11 in the travel slot 21; during the rotation of the second hinge plate 2, the hinge shaft 11 slides with respect to the travel slot 21, and the rotation center of the second hinge plate 2 coincides with the rotation center around the virtual center 115. The adoption of the surface contact fit of the hinge shaft 11 and the travel slot 21 improves the rotation stability and the bearing capacity.
In the second embodiment, referring to fig. 13 and 14, the hinge shaft 11 includes a rotating post 12 fixed on the first hinge plate 1, and referring to fig. 15, the second hinge plate 2 is provided with a rotating post jack 24 matched with the rotating post 12;
the limiting part is a limiting column 122 fixedly arranged on the first hinge plate 1, and the limiting column 122 is slidably arranged in the circular arc-shaped travel groove 21;
in the third embodiment, referring to fig. 16 and 17, the rotating post insertion hole 24 is located in the travel groove 21, and the limiting part is a limiting protrusion 121 fixedly arranged on the rotating post 12;
referring to fig. 18, the present utility model also provides a refrigerator including a cabinet 100 and a door 200, the cabinet 100 and the door 200 being connected by the hinge; the first hinge plate 1 is fixed on the box body 100, and the second hinge plate 2 and the angle opening limiting assembly are installed in the door body 200;
with reference to fig. 19, the maximum open angle state of the door body 200 can be restricted by the state adjustment of the limit posts 31 of the open angle limit assembly.
The maximum opening angle limiting opening angle state is 90 degrees, and the refrigerator is suitable for embedded refrigerator design. Preferably, the first hinge plate 1 is provided with a yielding hole 10, and the yielding hole 10 can be used for pressing the limiting column 31 by using tools such as a screwdriver, so as to switch the open angle limiting assembly state.
Preferably, the upper decorative strip 201 of the door body 200 replaces the second hinge plate 2, and the travel groove 21 and the opening angle limiting component are all arranged in the door body 200, so that the aesthetic feeling of the appearance of the door body 200 is not damaged.
A refrigerator having the hinge shaft 11 of the first embodiment, since the second hinge plate 2 slides longitudinally or laterally with respect to the first hinge plate 1 during rotation; the door 200 thus slides with respect to the case 100 during the opening process. After the refrigerator is opened, the outer surface of the door body 200 does not exceed the outer side surface of the side refrigerator body 100, so that the design structure of the embedded refrigerator is more compact, and the whole occupied space of the refrigerator is saved.
In summary, the present utility model provides an opening angle and opening switching hinge, which can realize the state of extending into or separating from a travel slot by pressing a limit post, thereby switching the maximum opening angle of the hinge. The operation is convenient and fast, and the universality is good. The utility model also provides a refrigerator with the hinge, and convenient switching of different opening angles of the door body is realized.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. An opening angle and opening degree switching type hinge is characterized by comprising
The first hinge plate is fixedly provided with a hinge shaft;
the second hinge plate is provided with a travel groove; a limiting through hole is formed in a preset position of the bottom of the travel groove; the second hinge plate can rotate relative to the first hinge plate;
the hinge shaft is in rotary and/or sliding fit with the second hinge plate; the hinge shaft comprises a limit part positioned in the travel slot;
the opening angle limiting assembly is fixed with the relative position of the second hinge plate and is provided with a limiting column; the limit post can extend into or separate from the travel groove through the limit through hole.
2. The opening angle opening switching hinge as claimed in claim 1, wherein the hinge shaft is provided in a travel slot; the hinge shaft comprises a small arc surface and a large arc surface which have a common virtual center; the two ends of the small arc surface and the large arc surface are respectively connected with a transition arc surface; the transition arc surface is provided with a transition circle center; the large arc surface is a limiting part; the side wall of the travel groove comprises a plurality of arc surfaces which are connected in sequence, and the radius of each arc surface is the same as that of the corresponding small arc surface, large arc surface or transitional arc surface; in the rotating process of the second hinge plate, at least one arc surface in the travel groove is in fit with one of the small arc surface, the large arc surface or the two transition arc surfaces.
3. The opening angle opening switching hinge according to claim 2, wherein a stabilizing column is fixedly connected to an end surface of the hinge shaft, and a stabilizing slot which is in sliding fit with the stabilizing column is further formed at the bottom of the travel slot.
4. The opening angle opening switching type hinge as claimed in claim 1, wherein the hinge shaft includes a rotation post fixed to the first hinge plate, and the second hinge plate is provided with a rotation post insertion hole engaged with the rotation post.
5. The opening angle opening switching hinge according to claim 4, wherein the limiting portion is a limiting post fixedly arranged on the first hinge plate, and the limiting post is slidably arranged in the circular arc-shaped travel groove.
6. The opening angle opening switching hinge of claim 4, wherein the rotary column insertion hole is located in the travel groove, and the limit part is a limit protrusion fixedly arranged on the rotary column.
7. The opening angle opening switching hinge according to claim 1, wherein the opening angle limiting assembly further comprises a guide cylinder, and the limiting column is sleeved in the guide cylinder and can slide back and forth along the axial direction of the guide cylinder; the limiting column also rotates to be inserted with a rotating shaft, and the rotating shaft is also sleeved with a reset spring; the reset spring is sleeved in the fixed cylinder;
a plurality of guide grooves are uniformly arranged on the cylinder body of the guide cylinder in a surrounding manner, and a plurality of anti-rotation blocks which are in sliding fit with the guide grooves are fixedly arranged on the outer wall of the limit column;
a plurality of guide blocks which can be in interactive fit with the guide grooves are uniformly arranged on the shaft body of the rotating shaft in a surrounding manner; one end of the guide block, which faces the limit column, is provided with a rotary inclined plane; the end face of the limiting column, which faces the rotating shaft, is provided with driving teeth which are matched with the rotating inclined plane and uniformly undulate.
8. The opening angle opening switching hinge according to claim 7, wherein two ends of the rotating shaft are respectively fixedly provided with a plug-in part, one plug-in part is movably plugged in the limit post, and the other plug-in part is sleeved with the reset spring.
9. The opening angle opening switching hinge according to claim 7, wherein a tooth structure for fixing the guide block is formed on an end surface of the guide cylinder; the tooth-shaped structure is provided with an inclined surface attached to the rotary inclined surface and a vertical surface attached to the side vertical surface of the guide block.
10. A refrigerator having a cabinet and a door, wherein the cabinet and the door are connected by an opening angle and opening switching hinge according to any one of claims 1 to 9; the first hinge plate is fixed on the box body, and the second hinge plate and the opening angle limiting assembly are arranged on the door body in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321180710.8U CN219638648U (en) | 2023-05-17 | 2023-05-17 | Opening angle opening switching type hinge and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321180710.8U CN219638648U (en) | 2023-05-17 | 2023-05-17 | Opening angle opening switching type hinge and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219638648U true CN219638648U (en) | 2023-09-05 |
Family
ID=87821031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321180710.8U Active CN219638648U (en) | 2023-05-17 | 2023-05-17 | Opening angle opening switching type hinge and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219638648U (en) |
-
2023
- 2023-05-17 CN CN202321180710.8U patent/CN219638648U/en active Active
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