CN213449936U - Screw type door hinge - Google Patents
Screw type door hinge Download PDFInfo
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- CN213449936U CN213449936U CN202021035798.0U CN202021035798U CN213449936U CN 213449936 U CN213449936 U CN 213449936U CN 202021035798 U CN202021035798 U CN 202021035798U CN 213449936 U CN213449936 U CN 213449936U
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- screw
- compression spring
- screw rod
- nut component
- door hinge
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Abstract
The utility model discloses a screw type door hinge, which comprises a screw rod and a nut component arranged on the screw rod, wherein a sliding part matched with the external thread of the screw rod is arranged in the nut component, and when any one of the screw rod or the nut component rotates, the sliding part can generate relative displacement on the screw rod; and a compression spring is also arranged between the nut component and the screw rod in a propping manner, and under the action of the restoring force of the compression spring, the sliding part moves reversely to reach the starting point of relative displacement with the screw rod. The utility model has the advantages of simple structure, flexible use mode, adjustable reset speed and the like.
Description
Technical Field
The utility model relates to a door and window accessory technical field especially relates to a screw hinge with adjustable simple structure, the using-way is nimble, the speed of resetting.
Background
The door hinge is called hinge, and the hinge is called hinge formally. Often in the form of a two-fold type, which is a part that connects and moves two parts of an object. The door hinge is mainly used in the fields of cabinet doors, windows, doors and the like. The door hinges have various types, and can be classified according to different purposes, and common door hinges, tobacco pipe door hinges, gate door hinges and the like are provided. At present, a common door hinge is a common hinge, the door can only be closed manually by the structure, and the use mode is relatively limited; a door hinge also closes a door in a hydraulic mode, and the structure is complex and the cost is high; the door uses the restoring force of jump ring to close the door in addition, and this kind of structure reset speed is too fast, and inconvenient control has used for a long time and can damage the door, and consequently current door hinge can't satisfy people's growing user demand.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a screw type door hinge with simple structure, flexible use mode and adjustable reset speed.
The utility model is realized by the following technical measures, a screw type door hinge comprises a screw and a nut component arranged on the screw, wherein a sliding part matched with the external thread of the screw is arranged in the nut component, and when any one of the screw or the nut component rotates, the sliding part can generate relative displacement on the screw; and a compression spring is also arranged between the nut component and the screw rod in a propping manner, and under the action of the restoring force of the compression spring, the sliding part moves reversely to reach the starting point of relative displacement with the screw rod.
Preferably, the nut assembly is in one of a cylindrical, square, regular polygonal, etc. shape.
As a preferable mode, the nut component comprises a shell, at least two mounting holes matched with the sliding part are formed in the shell, and the sliding part comprises a connecting part fixedly connected with the mounting holes of the shell and at least two balls capable of sliding on the external threads of the screw in a matched mode.
As a preferable mode, the door or window further comprises a tightening assembly arranged on the door or window, the tightening assembly comprises a displacement plate arranged relative to the compression spring, a trapezoidal boss is arranged on the surface of the displacement plate, a clamping piece controlled to advance and retreat by a screw is arranged on one side of the trapezoidal boss, one side of the clamping piece is matched with the side surface of the trapezoidal boss, and the height of the clamping piece is higher than that of the trapezoidal boss; when the screw is tightened, the clamping piece slides towards the trapezoidal boss and is pressed between the displacement plate and the door or the window, so that the pressure between the displacement plate and the compression spring is increased.
Preferably, the compression spring comprises an upper compression spring and a lower compression spring, which are respectively and correspondingly arranged between the housing and the upper end and the lower end of the screw rod.
As a preferable mode, the nut component includes a housing, an internal thread which is matched with the external thread of the screw is provided on the inner wall of the housing, and the sliding portion is the internal thread.
As a preferred mode, the tail end of the screw rod is provided with an adjusting nut, the compression spring is arranged between the nut component and the adjusting nut in a propping and pressing mode, the other end of the adjusting nut is provided with an adjusting screw, the adjusting screw is screwed, and the adjusting nut is close to the nut component and compresses the compression spring.
When the door is opened or the window is opened, the sliding part of the nut component and the screw rod generate relative displacement, when the door is closed or the window is closed, the sliding part of the nut component moves reversely to reach the starting point of the relative displacement with the screw rod under the action of the restoring force of the compression spring, and the door or the window is pushed to be closed simultaneously in the process, so the structure is simple and the maintenance is convenient; in addition, any one of the screw rod or the nut component is arranged on the door or the window, the installation mode is not limited, the use is more flexible, and the use requirements of users under different conditions can be met.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is an exploded view of a first embodiment of the present invention;
fig. 3 is a cross-sectional view of a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A screw door hinge, refer to fig. 1 to 4, including a threaded spindle 1 and nut assembly 2 located on threaded spindle 1, there are slide parts 3 cooperating with external thread of the threaded spindle 1 in the nut assembly 2, when any one of threaded spindle 1 or nut assembly 2 rotates, the slide part 3 can take place the relative displacement on the threaded spindle 1; a compression spring is also arranged between the nut component 2 and the screw rod 1 in a propping manner, and under the action of the restoring force of the compression spring, the sliding part 3 moves reversely to reach the starting point of relative displacement with the screw rod 1; the nut component 2 is square, but the nut component 2 may also be cylindrical, regular polygonal or other irregular shapes.
Example one
Referring to fig. 1 to 3, the screw door hinge of the present embodiment may further include, based on the foregoing technical solution, that the nut assembly 2 includes a housing, the housing is provided with at least two mounting holes 21 matched with the sliding portion 3, the sliding portion 3 includes a connecting portion 31 fixedly connected with the housing mounting holes 21 and at least two balls 32 capable of sliding on the external threads of the screw 1; an upper compression spring 4 and a lower compression spring 5 are respectively arranged between the shell and the upper end and the lower end of the screw rod 1. So that the upper compression spring 4 can restore it when the slide part 3 is slid upward and the lower compression spring 5 can restore it when the slide part 3 is slid downward.
Referring to fig. 2, the screw door hinge of the present embodiment may further include a tightening/loosening assembly disposed on the door or the window based on the foregoing technical solution, where the tightening/loosening assembly includes a displacement plate 6 disposed opposite to the compression spring, a trapezoidal boss 61 is disposed on a surface of the displacement plate 6, a fastener 7 controlled by a screw 8 to advance and retreat is disposed on one side of the trapezoidal boss 61, one side of the fastener 7 is adapted to a side surface of the trapezoidal boss 61, and a height of the fastener 7 is higher than a height of the trapezoidal boss 61; when the screw 8 is tightened, the engaging piece 7 slides toward the trapezoidal boss 61 and is pressed between the displacement plate 6 and the door or window, so that the pressure between the displacement plate 6 and the compression spring 41 or 51 increases. Thereby the restoring force of the compression spring 41 or 51 can be adjusted, and the reset speed of the door or the window can be adjusted, and the use is more convenient and flexible.
Example two
Referring to fig. 4, the screw door hinge of the present embodiment is different from the first embodiment in that the nut assembly 2 includes a housing, an inner thread matched with the outer thread of the screw 1 is provided on an inner wall of the housing, the sliding portion 3 is an inner thread, and the compression spring 9 is pressed between one end of the screw 1 and the housing.
Referring to fig. 4, in the screw door hinge of this embodiment, on the basis of the foregoing technical solution, it may be specifically that an adjusting nut 10 is disposed at the end of the screw 1, the compression spring 9 is disposed between the nut component 2 and the adjusting nut 10 in a pressing manner, an adjusting screw 11 is disposed at the other end of the adjusting nut 10, the adjusting screw 11 is screwed, and the adjusting nut 10 approaches the nut component 2 and compresses the compression spring 9. Thereby can adjust the restoring force of compression spring 9, and then adjust the reset speed of door or window, it is more convenient nimble to use.
It is right above the utility model discloses explanation that the screw hinge goes on for help understands the utility model discloses, nevertheless the utility model discloses an embodiment does not receive the restriction of above-mentioned embodiment, and any does not deviate from the utility model discloses change, modification, substitution, combination, simplification made under the principle all should be equivalent replacement mode, all contain within the protection scope of the utility model.
Claims (7)
1. A screw type door hinge is characterized in that: the nut component is internally provided with a sliding part matched with the external thread of the screw rod, and when any one of the screw rod or the nut component rotates, the sliding part can generate relative displacement on the screw rod; and a compression spring is also arranged between the nut component and the screw rod in a propping manner, and under the action of the restoring force of the compression spring, the sliding part moves reversely to reach the starting point of relative displacement with the screw rod.
2. The screw door hinge of claim 1, wherein: the nut component is in one of the shapes of a cylinder, a square, a regular polygon and the like.
3. The screw door hinge of claim 1, wherein: the nut component comprises a shell, at least two mounting holes matched with the sliding part are formed in the shell, and the sliding part comprises a connecting part fixedly connected with the mounting holes of the shell and at least two balls capable of sliding on the external threads of the screw in a matched mode.
4. The screw door hinge of claim 3, wherein: the door or window elastic component comprises a displacement plate arranged relative to a compression spring, a trapezoidal boss is arranged on the surface of the displacement plate, a clamping piece controlled to advance and retreat by a screw is arranged on one side of the trapezoidal boss, one side of the clamping piece is matched with the side surface of the trapezoidal boss, and the height of the clamping piece is higher than that of the trapezoidal boss; when the screw is tightened, the clamping piece slides towards the trapezoidal boss and is pressed between the displacement plate and the door or the window, so that the pressure between the displacement plate and the compression spring is increased.
5. The screw door hinge of claim 3, wherein: the compression spring comprises an upper compression spring and a lower compression spring which are respectively and correspondingly arranged between the shell and the upper end and the lower end of the screw rod.
6. The screw door hinge of claim 1, wherein: the nut component comprises a shell, an internal thread matched with the external thread of the screw rod is arranged on the inner wall of the shell, and the sliding part is the internal thread.
7. The screw door hinge of claim 6, wherein: the tail end of the screw rod is provided with an adjusting nut, the compression spring is arranged between the nut component and the adjusting nut in a propping and pressing mode, the other end of the adjusting nut is provided with an adjusting screw, the adjusting screw is screwed, and the adjusting nut is close to the nut component and compresses the compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021035798.0U CN213449936U (en) | 2020-06-08 | 2020-06-08 | Screw type door hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021035798.0U CN213449936U (en) | 2020-06-08 | 2020-06-08 | Screw type door hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213449936U true CN213449936U (en) | 2021-06-15 |
Family
ID=76289823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021035798.0U Active CN213449936U (en) | 2020-06-08 | 2020-06-08 | Screw type door hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213449936U (en) |
-
2020
- 2020-06-08 CN CN202021035798.0U patent/CN213449936U/en active Active
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