CN209874807U - Novel door frame hinge - Google Patents
Novel door frame hinge Download PDFInfo
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- CN209874807U CN209874807U CN201920271979.4U CN201920271979U CN209874807U CN 209874807 U CN209874807 U CN 209874807U CN 201920271979 U CN201920271979 U CN 201920271979U CN 209874807 U CN209874807 U CN 209874807U
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- frame hinge
- bearing groove
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Abstract
The utility model relates to a novel door frame hinge, including articulated base and bearing, articulated base includes articulated portion, is used for with door frame fixed connection's fixed part and the connection cooperation portion of connecting articulated portion and fixed part, the bottom of articulated portion does not perforate and articulated portion goes up the coaxial bearing groove that is used for bearing the bearing more than two-layer that is provided with to can realize ensureing that the bottom of articulated portion need not the open design just can ensure the normal installation of bearing, at specific implementation in-process, can be used for bearing lubricating oil, strengthens lubricated effect, the degree of depth of each bearing groove is greater than the height that corresponds the bearing of installation, the bearing is installed in corresponding bearing groove in proper order, ensures to have between the bearing of each installation and keeps away the empty clearance and can not mutual friction interference.
Description
Technical Field
The utility model belongs to the technical field of the revolving door technique and specifically relates to a novel door frame hinge.
Background
The hinge mechanism is an important core component of the revolving door, the hinge mechanism not only can influence the rotating effect of the door, but also can influence the appearance of the door, the service life of the door and the like, the traditional hinge mechanism is a hinge door hinge, two leaves of the hinge door hinge are respectively fixed on a door frame and a door panel, a rotating shaft is exposed at the joint of the door frame and the door panel, the traditional mode not only influences the attractiveness of the door, more importantly, the thick door panel needs to be lifted and taken out in the aspects of installation, disassembly, maintenance and the like, the operation difficulty coefficient is large, the operation is extremely inconvenient, and a plurality of hinge centers need to be kept on a straight line during production, the production cost is high, after a period of use, the dead weight of the door panel causes the hinge to be pulled seriously outwards, the door leaf moves outwards and falls, the gap between the door frame and the door panel is increased, and.
Therefore, the key to solve the problem of door falling is how to enhance the hinge action between the hinge mechanism and the door leaf, and reduce the influence caused by the self weight of the door, and a new bearing type top-to-bottom hinge has been developed by this company, as disclosed in patent document No. 201820677763.3, the hinge comprises a door leaf hinge and a door frame hinge which are matched with each other, the door frame hinge is movably matched with the bottom of the door leaf hinge, a rotating shaft connecting the door frame hinge and the door leaf hinge promotes the door rotation effect by matching with the bearing, the bearing is installed in the bearing groove of the corresponding door frame hinge, however, after a period of use, the matching degree of the bearing and the rotating shaft is reduced, and the rotation effect of the door hinge mechanism needs to be further promoted.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model relates to a novel door frame hinge with good rotatory cooperation effect.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a novel door frame hinge, includes articulated base and bearing, articulated base includes articulated portion, be used for with door frame fixed connection's fixed part and the connection cooperation portion of connecting articulated portion and fixed part, the bottom of articulated portion does not perforate and articulated portion goes up coaxial being provided with the bearing groove that is used for bearing the bearing, and the middle part of bearing groove is provided with the pivot groove with one heart.
The bearing grooves are more than two layers, and the bearing grooves of all layers are concentrically arranged and have the same diameter.
The bearing grooves are provided with more than two layers, each layer of bearing grooves are stacked to form a step structure, the diameter of the rotating shaft groove of the lower layer in the two adjacent bearing grooves is smaller than that of the bearing groove of the upper layer, the depth of each bearing groove is larger than the height of the corresponding mounted bearing, and the bearing is sequentially mounted in the corresponding bearing groove.
The bearing is any one or combination of a plurality of deep groove ball bearings, thrust ball bearings, self-aligning ball bearings and tapered roller sub-bearings.
The bearing groove is provided with two layers, and self-aligning ball bearing is arranged in the bearing groove of the bottom layer, and a cone bearing is arranged in the bearing groove of the top layer.
The bottom of the rotating shaft groove is lower than the bottom of the bearing groove of the lowest layer and is concave.
And a clearance step is arranged between the rotating shaft groove and the bearing groove at the bottommost layer and is of an annular structure.
The diameter of the clearance step is larger than that of the rotating shaft groove and smaller than that of the bearing groove at the bottommost layer, and the height of the clearance step is 0.5-2.5 mm.
The connection matching part comprises a transition connection surface which is smoothly connected with the hinge part and a door frame matching surface which is attached to the door frame, and the fixing part is vertically connected to the door frame matching surface.
The fixing part is provided with a fixing hole for fixing or a long-strip-shaped bolt hole matched with the bolt plate for realizing bolt type quick fixing.
The utility model has the advantages that:
the utility model discloses a set up the bearing groove into stair structure, ensure that the diameter of the bearing groove of bottom is less than the diameter of the bearing groove at top, thereby can realize ensureing that the bottom of articulated portion need not the normal installation that the open design just can ensure the bearing, at specific implementation in-process, can be used for bearing lubricating oil, during installation bearing and pivot, the automatic upward overflow of the lubricating oil of bearing groove part and pivot inslot portion, to bearing and pivot self-lubricate, and the lubricating oil that instils into can be preserved for a long time in the pivot inslot and carry out effective lubrication to the pivot, strengthen the rotatory smooth effect of door, friction among the less rotatory process, the life of extension hinge, the degree of depth of each bearing groove is greater than the height that corresponds the bearing of installation simultaneously, ensure to have between the bearing of each installation and keep away the clearance and can not mutual friction interference.
Drawings
Figure 1 is a schematic structural view of a first embodiment of the present invention,
figure 2 is a schematic structural view of a first embodiment of the present invention,
figure 3 is a top view of a first embodiment of the present invention,
figure 4 is a schematic cross-sectional view of the installation state of the present invention,
wherein, 1-fixed part, 2-connection matching part, 3-hinge part, 4-door frame, 31-bearing groove, 32-clearance step, 33-rotation shaft groove, 34-transition connection surface and 35-door frame matching surface.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1 to 4:
the utility model provides a novel door frame 4 hinge, includes articulated base and bearing, articulated base includes articulated portion 3, be used for with door frame 4 fixed connection's fixed part 1 and connect articulated portion 3 and fixed part 1's connection cooperation portion 2, the bottom of articulated portion 3 is not perforated and articulated portion 3 goes up coaxial being provided with the bearing groove 31 that is used for bearing the bearing, and the middle part of bearing groove 31 is provided with pivot groove 33 with one heart.
The bearing grooves 31 are provided with more than two layers, as shown in fig. 1, as a first embodiment, the bearing grooves 31 of each layer are concentrically arranged, the diameters of the bearing grooves 31 are the same, the bearing grooves 31 of each layer are communicated with each other to form a cylinder, further, as shown in fig. 2, as a second embodiment, the bearing grooves 31 of each layer are stacked to form a step structure, the diameters of the bearing grooves 31 are sequentially increased from the top to the bottom, namely, the diameter of the rotating shaft groove 33 of the lower layer of the two adjacent bearing grooves 31 is smaller than that of the bearing groove 31 of the upper layer, thereby ensuring that the bottom of the hinge part 3 can ensure the normal installation of the bearing without opening design, the depth of each bearing groove 31 is slightly larger than the height of the corresponding installed bearing, the bearing is sequentially installed in the corresponding bearing groove 31, and the clearance between each installed bearing is ensured by the step structure without mutual friction interference, any one of deep groove ball bearing, thrust ball bearing, self-aligning ball bearing and tapered roller sub-bearing in the prior art can be selected for use to the bearing installed in the bearing groove 31, and the same kind of bearing can be selected for use to the bearing in each bearing groove 31, also can select different kinds of bearing for use, as preferred, bearing groove 31 is provided with two-layerly, sets up self-aligning ball bearing in the bearing groove 31 of bottom, sets up tapered roller bearing in the bearing groove 31 of top layer.
Further, the bottom that the bottom of pivot groove 33 is less than the bearing groove 31 of lowest layer is interior concavity, and in the specific use, imbeds after passing the middle shaft hole of each bearing in proper order with the pivot of adaptation in proper order pivot groove 33 in, can effectively strengthen the location effect to the pivot through pivot groove 33.
Further, a clearance step 32 is arranged between the rotating shaft groove 33 and the bearing groove 31 at the bottommost layer, the clearance step 32 is of an annular structure, the diameter of the clearance step 32 is larger than that of the rotating shaft groove 33 and smaller than that of the bearing groove 31 at the bottommost layer, and the height of the clearance step 32 is 0.5-2.5 mm.
Further, the connection matching part 2 comprises a transition connection surface 34 smoothly connected with the hinge part 3 and a door frame matching surface 35 attached to the door frame 4, and the fixing part 1 is vertically connected to the door frame matching surface 35.
Furthermore, the fixing portion 1 is provided with a fixing hole for fixing, or a long-strip-shaped bolt hole matched with the bolt plate for realizing bolt type quick fixing.
The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a novel door frame hinge, includes articulated base and bearing, its characterized in that: the hinged base comprises a hinged portion, a fixing portion and a connection matching portion, the fixing portion is used for being fixedly connected with a door frame, the connection matching portion is used for connecting the hinged portion with the fixing portion, the bottom of the hinged portion is not perforated, a bearing groove used for bearing a bearing is coaxially arranged on the hinged portion, and a rotating shaft groove is concentrically arranged in the middle of the bearing groove.
2. The novel door frame hinge according to claim 1, characterized in that: the bearing grooves are more than two layers, and the bearing grooves of all layers are concentrically arranged and have the same diameter.
3. The novel door frame hinge according to claim 1, characterized in that: the bearing grooves are provided with more than two layers, each layer of bearing grooves are stacked to form a step structure, the diameter of the rotating shaft groove of the lower layer in the two adjacent bearing grooves is smaller than that of the bearing groove of the upper layer, the depth of each bearing groove is larger than the height of the corresponding mounted bearing, and the bearing is sequentially mounted in the corresponding bearing groove.
4. The new door frame hinge according to claim 2 or 3, wherein: the bearing is any one or combination of a plurality of deep groove ball bearings, thrust ball bearings, self-aligning ball bearings and tapered roller sub-bearings.
5. The new door frame hinge according to claim 2 or 3, wherein: the bearing groove is provided with two layers, the bearing groove of bottom self-aligning ball bearing, and the top layer of bearing groove is provided with circular cone sub-bearing.
6. The new door frame hinge according to claim 2 or 3, wherein: the bottom of the rotating shaft groove is lower than the bottom of the bearing groove of the lowest layer and is concave.
7. The novel door frame hinge according to claim 6, characterized in that: and a clearance step is arranged between the rotating shaft groove and the bearing groove at the bottommost layer and is of an annular structure.
8. The new doorframe hinge as set forth in claim 7, wherein: the diameter of the clearance step is larger than that of the rotating shaft groove and smaller than that of the bearing groove at the bottommost layer.
9. The novel door frame hinge according to claim 1, characterized in that: the connection matching part comprises a transition connection surface which is smoothly connected with the hinge part and a door frame matching surface which is attached to the door frame, and the fixing part is vertically connected to the door frame matching surface.
10. The novel door frame hinge according to claim 1, characterized in that: the fixing part is provided with a fixing hole for fixing or a long-strip-shaped bolt hole matched with the bolt plate for realizing bolt type quick fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920271979.4U CN209874807U (en) | 2019-03-05 | 2019-03-05 | Novel door frame hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920271979.4U CN209874807U (en) | 2019-03-05 | 2019-03-05 | Novel door frame hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209874807U true CN209874807U (en) | 2019-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920271979.4U Active CN209874807U (en) | 2019-03-05 | 2019-03-05 | Novel door frame hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209874807U (en) |
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2019
- 2019-03-05 CN CN201920271979.4U patent/CN209874807U/en active Active
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