CN209990307U - Pulley assembly with adjustable height - Google Patents
Pulley assembly with adjustable height Download PDFInfo
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- CN209990307U CN209990307U CN201920498594.1U CN201920498594U CN209990307U CN 209990307 U CN209990307 U CN 209990307U CN 201920498594 U CN201920498594 U CN 201920498594U CN 209990307 U CN209990307 U CN 209990307U
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Abstract
The utility model discloses a pulley assembly with adjustable height, which comprises a fixed plate, a bracket, a fixed frame, a pulley, an adjusting slider and an adjusting screw; the fixed plate is connected with the lower end of the door and window sash; the bracket is rotatably arranged at the lower side of the fixed plate and is provided with a V-shaped sliding chute with an opening facing the fixed plate; the fixed frame is fixedly arranged at the lower side of the bracket; the pulley is rotatably arranged on the fixed frame; the adjusting slide block is arranged in the V-shaped sliding groove; the head of the adjusting screw penetrates through the fixed plate and the adjusting slide block in sequence and is in threaded connection with the fixed plate and the adjusting slide block. The utility model has the advantages that: utilize the pole principle to reduce the influence of door and window fan gravity to adjusting screw, when guaranteeing door and window fan height-adjustable, solved the problem that pulley assembly is difficult to adjust its height when the door and window fan is heavier, and then also solved the adjusting screw and appeared the problem of smooth tooth when the gravity that receives is great easily.
Description
Technical Field
The utility model relates to a door and window pulley field, concretely relates to but height-adjusting's loose pulley assembly.
Background
The sliding door and window has the advantages of high daylighting rate, small occupied space, attractive appearance and the like, and is long in service life and popular with deep users. When the installation of sliding door's guide rail, can perhaps make the guide rail uneven because ground is uneven to lead to producing frictional problem easily between door and window fan and the guide rail, for solving above-mentioned problem, among the prior art, the lower pulley of door and window fan generally all can have height-adjusting's function, but, when the door and window fan is heavier, hardly through the height of door and window fan's lower pulley adjustment door and window fan.
SUMMERY OF THE UTILITY MODEL
Problem based on prior art, the utility model provides a but height-adjusting's loose pulley assembly.
The utility model provides a but height-adjusting's loose pulley assembly, but height-adjusting's loose pulley assembly includes:
the fixed plate is connected with the lower end of the door and window sash;
the bracket is rotatably arranged on the lower side of the fixed plate and is provided with a V-shaped sliding groove with an opening facing the fixed plate;
the fixing frame is fixedly arranged on the lower side of the bracket;
the pulley is rotatably arranged on the fixed frame;
the adjusting slide block is arranged in the V-shaped sliding groove;
the head of the adjusting screw penetrates through the fixed plate and the adjusting slide block in sequence and is in threaded connection with the fixed plate and the adjusting slide block; wherein the content of the first and second substances,
when the door and window sash needs to be lifted up, the adjusting screw is rotated, so that the adjusting slide block is close to the tail part of the adjusting screw and slides upwards along the groove wall of the V-shaped sliding groove to push the fixing plate to rotate upwards relative to the bracket;
when the door and window sash needs to be lowered, the adjusting screw is rotated, the adjusting slide block is far away from the tail part of the adjusting screw and slides downwards along the groove wall of the V-shaped sliding groove, so that the fixing plate is pushed by the gravity of the door and window sash to rotate downwards relative to the support.
Furthermore, the adjusting slide block is provided with an inclined surface, and the adjusting slide block slides upwards or downwards along the groove wall of the V-shaped sliding groove through the inclined surface.
Further, the stent includes:
the first supporting plate is provided with a first V-shaped notch groove with an opening facing the fixing plate;
the second support plate is provided with a second V-shaped notch groove with an opening facing the fixed plate; the first V-shaped notch groove and the second V-shaped notch groove are arranged side by side to form the V-shaped sliding groove;
the two sides of the third supporting plate are respectively connected with the first supporting plate and the second supporting plate; wherein the content of the first and second substances,
the first supporting plate and the second supporting plate are oppositely arranged so that a limiting space is formed between the first supporting plate and the second supporting plate.
Furthermore, but height-adjusting's loose pulley assembly still includes first round pin axle, first round pin axle wear to locate first backup pad, the second backup pad with the fixed plate, so that the support rotates to be installed on the fixed plate.
Further, the adjustment slider includes:
the limiting part is in an inverted triangle shape, and part of the limiting part is accommodated in the limiting space;
the first sliding part is in an inverted triangle shape, is arranged on one side of the limiting part and is supported in the first V-shaped notch groove;
the second sliding part is the same as the first sliding part in shape, is arranged on the other side of the limiting part and is supported in the second V-shaped notch groove; the adjusting slide block slides upwards or downwards along the groove wall of the first V-shaped notch groove through the first sliding part, and the adjusting slide block slides upwards or downwards along the groove wall of the second V-shaped notch groove through the second sliding part.
Furthermore, the lower surface of the fixing plate is convexly provided with a fixing wall, and the head of the adjusting screw penetrates through the fixing wall and then penetrates into the adjusting slide block.
Furthermore, but height-adjusting's loose pulley assembly still includes the second round pin axle, the second round pin axle wear to locate the support with the mount, in order with the mount fixed mounting be in on the support.
Furthermore, but height-adjusting's loose pulley assembly still includes two third round pin axles, the pulley has two, wherein, one the pulley passes through one the third round pin axle is rotated and is installed on the mount.
The utility model has the advantages that: when the door and window fan needs to be heightened, the adjusting screw is rotated, the adjusting slide block is close to the tail part of the adjusting screw, and meanwhile slides upwards along the groove wall of the V-shaped sliding groove, so that the fixed plate is pushed to rotate upwards relative to the support, the fixed plate is far away from the support, and therefore the height of the door and window fan installed on the fixed plate can be raised. When the door and window sash needs to be lowered, the adjusting screw is rotated, the adjusting slide block is far away from the tail part of the adjusting screw and slides downwards along the groove wall of the V-shaped sliding groove, so that the fixed plate rotates downwards relative to the support under the pushing of the gravity of the door and window sash, the fixed plate is close to the support, and the height of the door and window sash installed on the fixed plate can be reduced. The utility model discloses utilize the pole principle to reduce the influence of door and window fan gravity to adjusting screw, when guaranteeing door and window fan height-adjustable, solved the door and window fan when heavier loose pulley assembly be difficult to adjust its height, and then also solved adjusting screw and appeared the problem of smooth tooth easily when the gravity that receives is great.
Drawings
Fig. 1 is an exploded view of an adjustable height sheave assembly according to an embodiment of the present invention;
fig. 2 is a diagram illustrating a use state of a height-adjustable pulley assembly according to an embodiment of the present invention, wherein the use state is a lowest state of the height-adjustable pulley assembly;
fig. 3 is another state diagram of the adjustable height sheave assembly according to an embodiment of the present invention, wherein the state is the highest state of the adjustable height sheave assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, back, horizontal, vertical, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. under a certain posture (as shown in the drawings), if the certain posture changes, the directional indicator changes accordingly, the "connection" may be a direct connection or an indirect connection, and the "setting", and "setting" may be directly or indirectly set.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 3, fig. 1 to 3 illustrate an adjustable-height pulley assembly according to an embodiment of the present invention, which includes a fixing plate 10, a bracket 30, a fixing frame 60, a pulley 70, an adjusting slider 20, and an adjusting screw 50; the fixing plate 10 is used for connecting with the lower end of the door and window sash; the bracket 30 is rotatably installed at the lower side of the fixing plate 10, and the bracket 30 is provided with a V-shaped chute 35 with an opening facing the fixing plate 10; the fixing frame 60 is fixedly installed at the lower side of the bracket 30; the pulley 70 is rotatably mounted on the fixing frame 60; the adjusting slide block 20 is arranged in the V-shaped sliding groove 35; the head of the adjusting screw 50 sequentially penetrates through the fixed plate 10 and the adjusting slide block 20 and is in threaded connection with the fixed plate 10 and the adjusting slide block 20; when the door and window sash needs to be lifted up, the adjusting screw 50 is rotated, so that the adjusting slide block 20 is close to the tail part of the adjusting screw 50 and slides upwards along the groove wall of the V-shaped sliding groove 35 at the same time, the fixing plate 10 is pushed to rotate upwards relative to the bracket 30, and the fixing plate 10 is further away from the bracket 30; when the door and window sash needs to be lowered, the adjusting screw 50 is rotated, so that the adjusting slide block 20 is far away from the tail part of the adjusting screw 50 and simultaneously slides downwards along the groove wall of the V-shaped sliding groove 35, so that the fixing plate 10 is driven by the gravity of the door and window sash to rotate downwards relative to the support 30, and the fixing plate 10 is close to the support 30.
In this embodiment, when the door and window sash needs to be lifted up, the adjusting screw 50 is rotated, so that the adjusting slider 20 is close to the tail of the adjusting screw 50 and slides upwards along the groove wall of the V-shaped sliding groove 35, so as to push the fixing plate 10 to rotate upwards relative to the bracket 30, so that the fixing plate 10 is far away from the bracket 30, and thus the height of the door and window sash mounted on the fixing plate 10 can be lifted up. When the door and window sash needs to be lowered, the adjusting screw 50 is rotated, the adjusting slide block 20 is far away from the tail part of the adjusting screw 50 and simultaneously slides downwards along the groove wall of the V-shaped sliding groove 35, the fixed plate 10 is pushed by the gravity of the door and window sash to rotate downwards relative to the support 30, so that the fixed plate 10 is close to the support 30, and therefore the height of the door and window sash installed on the fixed plate 10 can be lowered. This embodiment utilizes the pole principle to reduce the influence of door and window fan gravity to adjusting screw 50, when guaranteeing door and window fan height-adjustable, has solved the problem that pulley assembly is difficult to adjust its height when the door and window fan is heavier, and then has also solved adjusting screw 50 and has appeared the problem of smooth tooth when the gravity that receives is great easily.
In an alternative embodiment, for example, in the present embodiment, the adjusting slider 20 is formed with an inclined surface, and the adjusting slider 20 slides upwards or downwards along the groove wall of the "V" shaped sliding groove 35 through the inclined surface, and the sliding of the adjusting slider 20 can be smoother through the matching of the inclined surface and the groove wall of the "V" shaped sliding groove 35.
In an alternative embodiment, such as the present embodiment, support 30 includes a first support plate 31, a second support plate 32, and a third support plate 33; the first support plate 31 is provided with a first V-shaped notch 351 with an opening facing the fixing plate 10; second support plate 32 defines a second "V" notch 352 opening toward fixed plate 10; wherein, the first V-shaped notch groove 351 and the second V-shaped notch groove 352 are arranged side by side to form a V-shaped chute 35; the first support plate 31 and the second support plate 32 are respectively connected to both sides of the third support plate 33 to fix the first support plate 31, the second support plate 32 and the third support plate 33 as a whole with each other; wherein, first supporting plate 31 and second supporting plate 32 are arranged relatively so that spacing space 34 is formed between first supporting plate 31 and second supporting plate 32.
In this embodiment, the adjusting slider 20 slides along the groove walls of the first and second "V" notch grooves, and the rubbed area is small, so that the abrasion of the adjusting slider 20 can be reduced.
In an alternative embodiment, such as this, first support plate 31, second support plate 32, and third support plate 33 are integrally formed.
In an alternative embodiment, for example, in the present embodiment, the height-adjustable pulley assembly further includes a first pin 80, and the first pin 80 is inserted through the first support plate 31, the second support plate 32 and the fixing plate 10, so that the bracket 30 is rotatably mounted on the fixing plate 10.
In an alternative embodiment, for example, in the present embodiment, the adjusting block 20 includes a limiting portion 21, a first sliding portion 22 and a second sliding portion 23; the limiting part 21 is in an inverted triangle shape, and is partially accommodated in the limiting space 34; the first sliding portion 22 is in an inverted triangle shape, is disposed at one side of the limiting portion 21, and is supported in the first V-shaped notch 351; the second sliding part 23 has the same shape as the first sliding part 22, is arranged on the other side of the limiting part 21 and is supported in the second V-shaped notch 352; here, the adjustment slider 20 slides up or down along the groove wall of the first "V" notched groove 351 through the first sliding portion 22, and the adjustment slider 20 slides up or down along the groove wall of the second "V" notched groove 352 through the second sliding portion 23.
In this embodiment, after the limiting portion 21, the first sliding portion 22 and the second sliding portion 23 are arranged in the inverted triangle shape, the shapes of the V-shaped sliding grooves 35 can be better matched, the adjusting slide block 20 can be more stable when sliding, and the structure of the pulley assembly with adjustable height is more compact.
In an alternative embodiment, for example, in the present embodiment, the limiting portion 21, the first sliding portion 22 and the second sliding portion 23 are integrally formed.
In an alternative embodiment, for example, in this embodiment, the fixing wall 11 is protruded from the lower surface of the fixing plate 10, and the head of the adjusting screw 50 penetrates through the fixing wall 11 and then penetrates into the adjusting slider 20. Further, the adjusting screw 50 penetrates the limiting portion 21 of the adjusting slider 20, and is respectively in threaded connection with the fixing wall 11 and the limiting portion 21.
In an alternative embodiment, for example, in the present embodiment, the height-adjustable pulley assembly further includes a second pin 90, and the second pin 90 is disposed through the bracket 30 and the fixing frame 60 to fixedly mount the fixing frame 60 on the bracket 30.
In an alternative embodiment, for example, in this embodiment, the height-adjustable pulley assembly further includes two third pins 100, and there are two pulleys 70, wherein one pulley 70 is rotatably mounted on the fixing frame 60 by one third pin 100.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (8)
1. An adjustable height sheave assembly, comprising:
the fixed plate is connected with the lower end of the door and window sash;
the bracket is rotatably arranged on the lower side of the fixed plate and is provided with a V-shaped sliding groove with an opening facing the fixed plate;
the fixing frame is fixedly arranged on the lower side of the bracket;
the pulley is rotatably arranged on the fixed frame;
the adjusting slide block is arranged in the V-shaped sliding groove;
the head of the adjusting screw penetrates through the fixed plate and the adjusting slide block in sequence and is in threaded connection with the fixed plate and the adjusting slide block; wherein the content of the first and second substances,
when the door and window sash needs to be lifted up, the adjusting screw is rotated, so that the adjusting slide block is close to the tail part of the adjusting screw and slides upwards along the groove wall of the V-shaped sliding groove to push the fixing plate to rotate upwards relative to the bracket;
when the door and window sash needs to be lowered, the adjusting screw is rotated, the adjusting slide block is far away from the tail part of the adjusting screw and slides downwards along the groove wall of the V-shaped sliding groove, so that the fixing plate is pushed by the gravity of the door and window sash to rotate downwards relative to the support.
2. The adjustable height sheave assembly of claim 1, wherein the adjustment slider is formed with a ramp surface by which the adjustment slider slides up or down the groove wall of the "V" shaped runner.
3. The adjustable height sheave assembly of claim 1, wherein the bracket comprises:
the first supporting plate is provided with a first V-shaped notch groove with an opening facing the fixing plate;
the second support plate is provided with a second V-shaped notch groove with an opening facing the fixed plate; the first V-shaped notch groove and the second V-shaped notch groove are arranged side by side to form the V-shaped sliding groove;
the two sides of the third supporting plate are respectively connected with the first supporting plate and the second supporting plate; wherein the content of the first and second substances,
the first supporting plate and the second supporting plate are oppositely arranged so that a limiting space is formed between the first supporting plate and the second supporting plate.
4. The adjustable height pulley assembly according to claim 3, further comprising a first pin shaft, wherein the first pin shaft is inserted through the first support plate, the second support plate and the fixing plate, so that the bracket is rotatably mounted on the fixing plate.
5. The adjustable height sheave assembly of claim 3, wherein the adjustment slide comprises:
the limiting part is in an inverted triangle shape, and part of the limiting part is accommodated in the limiting space;
the first sliding part is in an inverted triangle shape, is arranged on one side of the limiting part and is supported in the first V-shaped notch groove;
the second sliding part is the same as the first sliding part in shape, is arranged on the other side of the limiting part and is supported in the second V-shaped notch groove; the adjusting slide block slides upwards or downwards along the groove wall of the first V-shaped notch groove through the first sliding part, and the adjusting slide block slides upwards or downwards along the groove wall of the second V-shaped notch groove through the second sliding part.
6. The adjustable height pulley assembly according to claim 1, wherein a fixing wall is protruded from a lower surface of the fixing plate, and a head of the adjusting screw penetrates the adjusting slider after passing through the fixing wall.
7. The adjustable height pulley assembly according to claim 1, further comprising a second pin shaft, wherein the second pin shaft is inserted through the bracket and the fixing frame to fixedly mount the fixing frame on the bracket.
8. The adjustable height sheave assembly of claim 1, further comprising two third pivot pins, wherein two of the sheaves are included, and wherein one of the sheaves is rotatably mounted to the fixed frame by one of the third pivot pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920498594.1U CN209990307U (en) | 2019-04-10 | 2019-04-10 | Pulley assembly with adjustable height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920498594.1U CN209990307U (en) | 2019-04-10 | 2019-04-10 | Pulley assembly with adjustable height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209990307U true CN209990307U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920498594.1U Active CN209990307U (en) | 2019-04-10 | 2019-04-10 | Pulley assembly with adjustable height |
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| CN (1) | CN209990307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020210444A1 (en) | 2020-08-17 | 2022-02-17 | Roto Frank Fenster- und Türtechnologie GmbH | Height-adjustable carriage and window or door with such a carriage |
-
2019
- 2019-04-10 CN CN201920498594.1U patent/CN209990307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020210444A1 (en) | 2020-08-17 | 2022-02-17 | Roto Frank Fenster- und Türtechnologie GmbH | Height-adjustable carriage and window or door with such a carriage |
| WO2022037905A1 (en) | 2020-08-17 | 2022-02-24 | Roto Frank Fenster- und Türtechnologie GmbH | Carriage with height adjustment, and window or door having such a carriage |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Area a and 6 / F, 1st floor, No.6 Xinggong 2nd Road, Hongxing community, Yutang street, Guangming District, Shenzhen, Guangdong Province Patentee after: Shenzhen Haobo Window Control Technology Co.,Ltd. Address before: Area a and 6 / F, 1st floor, No.6 Xinggong 2nd Road, Hongxing community, Yutang street, Guangming District, Shenzhen, Guangdong Province Patentee before: SHENZHEN HOPO WINDOW CONTROL TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |