CN215520480U - Sliding structure of hinge and friction hinge thereof - Google Patents
Sliding structure of hinge and friction hinge thereof Download PDFInfo
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- CN215520480U CN215520480U CN202120350395.3U CN202120350395U CN215520480U CN 215520480 U CN215520480 U CN 215520480U CN 202120350395 U CN202120350395 U CN 202120350395U CN 215520480 U CN215520480 U CN 215520480U
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Abstract
The utility model discloses a sliding structure of a hinge and a friction hinge thereof, wherein the sliding structure of the hinge comprises a first mounting arm, a sliding part and a friction part; the first mounting arm comprises a main arm body and a track convexly arranged on the main arm body, and the track is provided with a sliding groove; the sliding part is provided with a sliding part and a connecting part fixedly connected with the sliding part; the sliding part is embedded into the sliding groove and is in sliding fit with the sliding groove; the connecting part is positioned outside the sliding groove; the friction member is mounted on the connecting portion, and the friction member has a friction surface attached to an outer wall of the rail. In the sliding structure of the hinge and the friction hinge thereof, the main arm body is convexly provided with the rail, and the sliding part can slide along the rail, so that the sliding of the sliding part is ensured, the strength of the first mounting arm cannot be reduced, and the service life of the friction hinge is prevented from being reduced; the friction piece is arranged outside the rail, and after the opening degree of the window is adjusted by a user, the window can be kept at the opening degree by means of the friction force between the friction piece and the rail, and the opening degree cannot be changed due to blowing of wind.
Description
Technical Field
The utility model belongs to the technical field of window installation, and particularly relates to a sliding structure of a hinge and a friction hinge of the sliding structure.
Background
In the existing friction hinge, a sliding groove needs to be arranged on one mounting arm, so that a pin of a sliding block can penetrate through the sliding groove to limit the sliding block on the mounting arm. The specific structure can refer to the application number CN201921722291.X, the name of the utility model is: a door and window and a friction hinge for the window. In this structure, since the mounting arm is provided with the sliding groove, the overall strength of the mounting arm is reduced, and the mounting arm is easily deformed, thereby reducing the service life.
Therefore, a new technique is needed to solve the problem of the prior art that the service life is reduced after the installation arm is slotted.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems in the prior art, the present invention provides a sliding structure of a hinge and a friction hinge thereof, which can prevent the strength of a mounting arm from being reduced and prevent the service life of the hinge from being reduced.
The utility model adopts the following technical scheme:
a sliding structure of a hinge includes a first mounting arm, a slider, and a friction member;
the first mounting arm comprises a main arm body and a track convexly arranged on the main arm body, and the track is provided with a sliding groove;
the sliding piece is provided with a sliding part and a connecting part fixedly connected with the sliding part; the sliding part is embedded into the sliding groove and is in sliding fit with the sliding groove; the connecting part is positioned outside the sliding groove;
the friction piece is installed on the connecting portion, the friction piece has with the friction surface of orbital outer wall laminating mutually.
As a further improvement of the technical solution of the present invention, the friction member may be adjustable in position on the connecting portion in a direction perpendicular to the length direction of the sliding groove to adjust a frictional force between the friction surface and an outer wall of the rail.
As a further improvement of the technical scheme of the utility model, the connecting part is provided with first direction limiting parts at two sides of the friction piece, the first direction limiting parts are arranged along the length direction perpendicular to the sliding groove, and two sides of the friction piece are respectively attached to the first direction limiting parts to slide.
As a further improvement of the technical solution of the present invention, the connecting portion is provided with second direction limiting portions at front and rear ends of the first direction limiting portion, the second direction limiting portions are parallel to the length direction of the sliding groove, and both ends of the two second direction limiting portions are fixedly connected to the two first direction limiting portions.
As a further improvement of the technical solution of the present invention, the friction member is provided with a dust blocking portion above the first direction limiting portion and the second direction limiting portion, and the dust blocking portion is attached to the upper end surfaces of the first direction limiting portion and the second direction limiting portion and blocks a gap between the friction member and the first direction limiting portion and the second direction limiting portion.
As a further improvement of the technical scheme of the utility model, the friction piece and the connecting part are connected through an adjusting pin shaft; the adjusting pin shaft comprises a first rotating shaft part and a second rotating shaft part fixed at one end of the first rotating shaft part, and the axis of the first rotating shaft part is parallel to the axis of the second rotating shaft part but not coaxial;
the first rotating shaft part is rotatably connected with the connecting part;
the second rotating shaft part is rotatably connected with the friction piece, and the friction piece is provided with a shaft hole for the second rotating shaft part to rotate around the axis of the first rotating shaft part.
As a further improvement of the technical solution of the present invention, the rail includes a first side wall fixedly connected to the main arm body, a top wall fixedly connected to an end of the first side wall away from the main arm body, and a second side wall fixedly connected to the top wall and folded toward a side where the main arm body is located, the sliding groove is formed among the first side wall, the top wall, and the second side wall, and an opening through which the connecting portion extends is formed between the second side wall and the main arm body; the friction surface is attached to one surface, deviating from the sliding groove, of the second side wall.
As a further improvement of the present invention, the slider further includes a reinforcing member fitted in the slider, the reinforcing member includes a slide reinforcing portion fitted in the slide portion and a connection reinforcing portion fitted in the connection portion, and the slide reinforcing portion is integrally connected to the connection reinforcing portion.
As a further improvement of the technical solution of the present invention, an included angle between the friction surface and the upper end surface of the main arm body is smaller than 90 ° and larger than 30 °.
A friction hinge comprises a first supporting arm, a second supporting arm and a second mounting arm, and further comprises a sliding structure of the hinge;
one end of the first support arm is hinged with the sliding piece;
one end of the second supporting arm is hinged with one end of the main arm body;
one end of the second mounting arm is hinged to the first supporting arm, and the other end of the second mounting arm is hinged to the second supporting arm.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the sliding structure of the hinge and the friction hinge thereof, the rail is convexly arranged on the main arm body of the first mounting arm, the sliding groove is arranged in the rail, and the sliding part can slide along the sliding groove, so that the sliding of the sliding part on the first mounting arm is ensured, the strength of the first mounting arm cannot be reduced, and the service life of the friction hinge is prevented from being reduced.
2. On the other hand, the friction piece has been set up outward to the track, and the friction piece is installed on the slider, can slide along with the slider to at this in-process, the friction surface of friction piece and the laminating friction of the outer wall of track, thereby be unlikely to too fast when making the slider slide, the speed is suitable when opening at friction hinge, after the aperture of user's regulation window, the window can rely on the frictional force between friction piece and the track to keep this aperture, can not blown and changed the aperture by wind.
Drawings
The technology of the present invention will be described in further detail with reference to the accompanying drawings and detailed description below:
FIG. 1 is a schematic view of the overall construction of the friction hinge of the present invention;
FIG. 2 is a disassembled schematic view of the friction hinge of the present invention;
FIG. 3 is a top view of the friction hinge of the present invention;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is a schematic structural view of the sliding block, the friction member, the reinforcing member and the adjustment pin;
FIG. 6 is a schematic view showing two states during the process of turning the friction member upside down;
fig. 7 is a schematic view of the friction hinge of the present invention in position when assembled with a window or sash.
Reference numerals:
1-a first mounting arm; 11-a main arm body; 12-a track; 121-a chute; 122 — a first sidewall; 123-a top wall; 124-a second sidewall; 13-opening;
2-a slide; 21-a sliding part; 22-a connecting part; 221-a first direction limiting part; 222-a second direction limiting part; 23-a reinforcement; 231-a slide reinforcement; 232-connection reinforcement;
3-a friction member; 31-friction face; 32-a dust-blocking part; 33-shaft hole;
4-adjusting the pin shaft; 41-a first rotation axis; 42-a second rotation axis;
5-a first support arm; 6-a second support arm; 7-a second mounting arm; 8-a third support arm; 9-a window sash; 10-window frame.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.
Referring to fig. 1 to 7, a sliding structure of a hinge includes a first mounting arm 1, a slider 2, and a friction member 3.
The first mounting arm 1 comprises a main arm body 11 and a track 12 convexly arranged on the main arm body 11, and the track 12 is provided with a sliding groove 121;
the sliding piece 2 is provided with a sliding part 21 and a connecting part 22 fixedly connected with the sliding part 21; the sliding part 21 is embedded in the sliding groove 121 and is in sliding fit with the sliding groove 121; the connecting portion 22 is located outside the sliding groove 121.
The friction member 3 is mounted on the connecting portion 22, and the friction member 3 has a friction surface 31 that is in contact with an outer wall of the rail 12.
Based on foretell structure, slider 2 can slide along spout 121, and track 12 is protruding to be established on main arm body 11 in addition, need not to main arm body 11 fluting, has guaranteed the slip of slider 2 on first installation arm 1 promptly, can not reduce the intensity of first installation arm 1 again to avoid reducing the life of friction hinge, simultaneously, the setting of friction piece 3 can also make slider 2 can remove when the user promotes, the user keeps the position when not promoting, plays the effect of position window aperture.
Preferably, the friction member 3 is adjustable in position on the connecting portion 22 in a direction perpendicular to the length direction of the sliding groove 121, so as to adjust the friction force between the friction surface 31 and the outer wall of the rail 12.
Specifically, the connecting portion 22 is provided with first direction limiting portions 221 on two sides of the friction member 3, the first direction limiting portions 221 are arranged in a direction perpendicular to the length direction of the sliding groove 121, and two sides of the friction member 3 respectively slide in a fitting manner with the first direction limiting portions 221. The friction member 3 can slide on the connecting portion 22, and since the first direction limiting portion 221 is disposed in a direction perpendicular to the longitudinal direction of the sliding groove 121, the friction member 3 also slides in the direction perpendicular to the longitudinal direction of the sliding groove 121, and the degree of tightness of the fit between the friction surface 31 and the outer wall of the rail 12 can be adjusted by the sliding, so that the pressure between the friction surface 31 and the outer wall of the rail 12 is changed, and the effect of adjusting the friction force is achieved, so that the friction force when the window is opened and closed can be adjusted to a magnitude satisfactory to a user.
In addition, the connecting portion 22 is provided with second direction limiting portions 222 at the front and rear ends of the first direction limiting portion 221, the second direction limiting portions 222 are parallel to the length direction of the sliding groove 121, both ends of the two second direction limiting portions 222 are fixedly connected with the two first direction limiting portions 221, and the second direction limiting portions 222 are provided at the front and rear ends of the first direction limiting portion 221, so that the minimum friction force and the maximum friction force between the friction member 3 and the outer wall of the rail 12 can be limited, and the normal operation of the friction hinge is prevented from being influenced by too small or too large friction force.
Preferably, the friction member 3 is provided with a dust blocking portion 32 above the first direction limiting portion 221 and the second direction limiting portion 222, and the dust blocking portion 32 is attached to the upper end surfaces of the first direction limiting portion 221 and the second direction limiting portion 222 and blocks a gap between the friction member 3 and the first direction limiting portion 221 and the second direction limiting portion 222. Because the first direction limiting part 221 and the second direction limiting part 222 actually enclose a groove, the friction member 3 slides in the groove when adjusting the friction force, and if dust or other impurities fall into the groove, the normal adjustment of the friction force can be influenced, so the dust blocking part 32 is arranged to block the gap between the friction member 3 and the first direction limiting part 221 and the second direction limiting part 222, and prevent the dust or other impurities from falling into the groove and influencing the adjustment of the friction force of the friction member 3.
Specifically, the friction member 3 and the connecting portion 22 are connected by an adjusting pin 4; the adjusting pin shaft 4 comprises a first rotating shaft part 41 and a second rotating shaft part 42 fixed at one end of the first rotating shaft part 41, and the axis of the first rotating shaft part 41 is parallel to but not coaxial with the axis of the second rotating shaft part 42; the first rotating shaft 41 is rotatably connected to the connecting portion 22; the second rotating shaft 42 is rotatably connected to the friction member 3, and the friction member 3 is provided with a shaft hole 33 for the second rotating shaft 42 to rotate around the axis of the first rotating shaft 41. By the eccentric rotation of the second rotating shaft 42 of the adjusting pin 4, the friction member 3 can be pushed to adjust the magnitude of the friction force, and when the magnitude of the friction force is adjusted, the friction member 3 is adjusted only in the direction perpendicular to the length direction of the sliding groove 121, that is, only the magnitude of the friction force is adjusted, without changing the position of the friction member 3 on the sliding member 2 in the length direction of the sliding groove 121, in cooperation with the limit action of the first direction limiting portion 221.
Specifically, the rail 12 includes a first side wall 122 fixedly connected to the main arm body 11, a top wall 123 fixedly connected to an end of the first side wall 122 away from the main arm body 11, and a second side wall 124 fixedly connected to the top wall 123 and folded toward a side where the main arm body 11 is located, the sliding groove 121 is formed among the first side wall 122, the top wall 123, and the second side wall 124, and the opening 13 through which the connecting portion 22 extends is formed between the second side wall 124 and the main arm body 11; the friction surface 31 is attached to a surface of the second side wall 124 facing away from the sliding groove 121. That is, the rail 12 has an inverted "J" shape in cross section, and the rail 12 may be formed by extending and bending one side of the main arm body 11, and the slide groove 121 thereof is formed by being surrounded by bending, so that the strength of the main arm body 11 is not weakened.
The sliding structure of the hinge may further include a reinforcement 23 embedded in the sliding member 2, the reinforcement 23 includes a sliding reinforcement 231 embedded in the sliding portion 21 and a connection reinforcement 232 embedded in the connecting portion 22, and the sliding reinforcement 231 is integrally connected to the connection reinforcement 232. Naturally, the slider 2 is provided with a groove in which the reinforcement 23 is inserted. Through set up reinforcement 23 in slider 2, can strengthen slider 2's atress intensity, improve its life. The reinforcement is made of steel, copper or an aluminum alloy.
Preferably, the included angle between the friction surface 31 and the upper end surface of the main arm body 11 is less than 90 ° and greater than 30 °, and may be 80 °, 60 °, 45 ° or other angles. The included angle is set in the range, and adjustment of friction force is facilitated. Correspondingly, the outer wall of the rail 12, which is attached to the friction surface 31, is also correspondingly disposed to ensure that the outer wall is attached to the friction surface 31, i.e., the surface of the second side wall 124, which is away from the sliding groove 121, is also disposed to be equal to the included angle. In one embodiment, the included angle is 82 °.
Referring to fig. 1 to 7, a friction hinge comprises a first support arm 5, a second support arm 6 and a second mounting arm 7, and further comprises a sliding structure of the hinge as described above. One end of the first support arm 5 is hinged with the sliding part 2; one end of the second supporting arm 6 is hinged with one end of the main arm body 11; one end of the second mounting arm 7 is hinged to the first support arm 5, and the other end is hinged to the second support arm 6. In use, the first mounting arm 1 is mounted fixed to the frame 10, for example on a profile of the frame 10, and the second mounting arm 7 is mounted on the sash 9, for example on a profile of the sash 9. Preferably, this friction hinge has still set up third support arm 8, and the main arm body 11 is articulated to the one end of third support arm 8, and the middle part of the first support arm 5 is articulated to the other end, plays the effect of supporting first support arm 5.
In the friction hinge, the sliding structure of the hinge is adopted, so that the strength of the first mounting arm 1 is ensured, the service life of the friction hinge is prevented from being reduced, and the window sash 9 can be kept at the opening degree by the friction force between the friction piece 3 and the rail 12 after the opening degree of the window is adjusted by a user, and the opening degree cannot be changed by blowing.
Other contents of the sliding structure of the hinge and the friction hinge thereof according to the present invention are referred to in the prior art and will not be described herein.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A sliding structure of a hinge is characterized in that: comprises a first mounting arm, a sliding part and a friction part;
the first mounting arm comprises a main arm body and a track convexly arranged on the main arm body, and the track is provided with a sliding groove;
the sliding piece is provided with a sliding part and a connecting part fixedly connected with the sliding part; the sliding part is embedded into the sliding groove and is in sliding fit with the sliding groove; the connecting part is positioned outside the sliding groove;
the friction piece is installed on the connecting portion, the friction piece has with the friction surface of orbital outer wall laminating mutually.
2. The sliding structure of a hinge according to claim 1, wherein: the position of the friction piece on the connecting part can be adjusted along the length direction vertical to the sliding groove, so that the friction force between the friction surface and the outer wall of the track can be adjusted.
3. The sliding structure of a hinge according to claim 2, wherein: the connecting portion are provided with first-direction limiting portions on two sides of the friction piece, the first-direction limiting portions are perpendicular to the length direction of the sliding groove, and two sides of the friction piece are respectively attached to the first-direction limiting portions to slide.
4. The sliding structure of a hinge according to claim 3, wherein: the connecting portion is in both ends are equipped with the spacing portion of second direction respectively around the spacing portion of first direction, the spacing portion of second direction with the length direction of spout is parallel, two the both ends of the spacing portion of second direction all with two the spacing portion fixed connection of first direction.
5. The sliding structure of a hinge according to claim 4, wherein: the friction piece is in the spacing portion of first direction, the top of the spacing portion of second direction is equipped with dust blocking portion, dust blocking portion with the spacing portion of first direction, the up end of the spacing portion of second direction is laminated mutually and is sheltered from the clearance between friction piece and the spacing portion of first direction, the spacing portion of second direction.
6. The sliding structure of a hinge according to claim 2, wherein: the friction piece and the connecting part are connected through an adjusting pin shaft; the adjusting pin shaft comprises a first rotating shaft part and a second rotating shaft part fixed at one end of the first rotating shaft part, and the axis of the first rotating shaft part is parallel to the axis of the second rotating shaft part but not coaxial;
the first rotating shaft part is rotatably connected with the connecting part;
the second rotating shaft part is rotatably connected with the friction piece, and the friction piece is provided with a shaft hole for the second rotating shaft part to rotate around the axis of the first rotating shaft part.
7. The sliding structure of a hinge according to claim 1, wherein: the track comprises a first side wall fixedly connected with the main arm body, a top wall fixedly connected with one end, far away from the main arm body, of the first side wall and a second side wall fixedly connected with the top wall and folded towards one side where the main arm body is located, the sliding groove is formed among the first side wall, the top wall and the second side wall, and an opening for the connecting part to extend out is formed between the second side wall and the main arm body; the friction surface is attached to one surface, deviating from the sliding groove, of the second side wall.
8. The sliding structure of a hinge according to claim 1, wherein: the sliding part is embedded in the sliding part, the reinforcing part comprises a sliding reinforcing part embedded in the sliding part and a connecting reinforcing part embedded in the connecting part, and the sliding reinforcing part and the connecting reinforcing part are integrally connected.
9. The sliding structure of a hinge according to any one of claims 1 to 8, wherein: the included angle between the friction surface and the upper end surface of the main arm body is smaller than 90 degrees and larger than 30 degrees.
10. A friction hinge, characterized by: a sliding structure comprising a first support arm, a second support arm, and a second mounting arm, further comprising a hinge according to any one of claims 1-9;
one end of the first support arm is hinged with the sliding piece;
one end of the second supporting arm is hinged with one end of the main arm body;
one end of the second mounting arm is hinged to the first supporting arm, and the other end of the second mounting arm is hinged to the second supporting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120350395.3U CN215520480U (en) | 2021-02-07 | 2021-02-07 | Sliding structure of hinge and friction hinge thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120350395.3U CN215520480U (en) | 2021-02-07 | 2021-02-07 | Sliding structure of hinge and friction hinge thereof |
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| Publication Number | Publication Date |
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| CN215520480U true CN215520480U (en) | 2022-01-14 |
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| CN202120350395.3U Active CN215520480U (en) | 2021-02-07 | 2021-02-07 | Sliding structure of hinge and friction hinge thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814509A (en) * | 2021-02-07 | 2021-05-18 | 希美克(广州)实业有限公司 | Sliding structure of hinge and friction hinge thereof |
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2021
- 2021-02-07 CN CN202120350395.3U patent/CN215520480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814509A (en) * | 2021-02-07 | 2021-05-18 | 希美克(广州)实业有限公司 | Sliding structure of hinge and friction hinge thereof |
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