CN218458581U - Basket ring height adjusting mechanism - Google Patents
Basket ring height adjusting mechanism Download PDFInfo
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- CN218458581U CN218458581U CN202222254798.5U CN202222254798U CN218458581U CN 218458581 U CN218458581 U CN 218458581U CN 202222254798 U CN202222254798 U CN 202222254798U CN 218458581 U CN218458581 U CN 218458581U
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- support frame
- speed reducer
- hole
- arm
- positioning
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Abstract
The utility model discloses a basket circle height adjusting mechanism, include: the support frame, and the arm that stretches of rim and backboard is installed to the front end, install the slide rail set spare of vertical trend on the preceding lateral wall of support frame, install the slider set spare with slide rail set spare sliding fit mutually at the rear end that stretches the arm, stretch the arm and cooperate and can reciprocate relatively the support frame through slider set spare with slide rail set spare, install the rack of vertical trend on the preceding lateral wall of support frame, rear end fixed mounting who stretches the arm has the speed reducer of taking self-locking function, install the drive gear with rack engaged with on the output shaft of speed reducer, be connected with on the input shaft of speed reducer and be used for driving the input shaft and rotate with synchronous drive output shaft pivoted drive assembly, still be equipped with safety locking mechanism between stretching arm and support frame. The utility model has the advantages of freely adjusting the height of the basket ring.
Description
Technical Field
The utility model relates to a basketball stands technical field, concretely relates to basket circle height adjusting mechanism in basketball stands.
Background
Basketball stands are commonly used sporting equipment and generally comprise: the support frame and the extending arm are horizontally and transversely fixed at the top of the support frame, and a backboard and a basketball hoop are fixed at the front end of the extending arm. The basketball stand has the following disadvantages: the basket ring height of the basketball stand is fixed and cannot be adjusted, and because the basket rings at all ages are different in use height, the basketball stands with different basket ring use heights need to be purchased to adapt to crowds at different ages, and the use cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, long service life and can carry out the basket circle height control mechanism who freely adjusts to the basket circle height.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a rim height adjustment mechanism, comprising: the basket comprises a support frame and an extension arm, wherein the front end of the extension arm is provided with a basket ring and a backboard, the front side wall of the support frame is provided with a slide rail assembly with a vertical trend, the rear end of the extension arm is provided with a slide block assembly in sliding fit with the slide rail assembly, the extension arm can move up and down relative to the support frame through the cooperation of the slide block assembly and the slide rail assembly, the front side wall of the support frame is provided with a rack with a vertical trend, the rear end of the extension arm is fixedly provided with a speed reducer with a self-locking function, an output shaft of the speed reducer is provided with a transmission gear meshed with the rack, an input shaft of the speed reducer is connected with a transmission assembly used for driving an input shaft to rotate so as to synchronously drive the output shaft to rotate, the transmission assembly can drive the transmission gear to move downwards or upwards along the rack so as to synchronously drive the extension arm provided with the basket ring to move downwards or upwards, and a stop mechanism used for locking and fixing the extension arm on the support frame when the extension arm stops moving is further arranged between the extension arm and the support frame.
Further, aforementioned ring height adjustment mechanism, wherein: the rear end of the extending arm is provided with a connecting part, the rear end face of the connecting part, which faces the front side wall of the support frame, is recessed inwards to form a cavity, the speed reducer is arranged in the cavity, and the side wall of the connecting part is provided with an avoiding hole which is convenient for the transmission assembly to extend into the cavity and rotate an input shaft of the speed reducer; the left and right sides of connecting portion outwards extend respectively and form two installation departments, and slider component is fixed in the installation department.
Further, aforementioned ring height adjustment mechanism, wherein: the sliding rail assembly comprises two vertical sliding rails, and the two vertical sliding rails are distributed on the left side and the right side of the rack; the sliding block assembly comprises two groups of sliding blocks which are distributed left and right, the two groups of sliding blocks are fixed on the two installation parts respectively, and the two groups of sliding blocks are arranged on the two vertical sliding rails in a sliding mode respectively.
Further, the aforementioned basket ring height adjusting mechanism, wherein: the transmission assembly is a crank which can extend into the cavity through the avoiding hole of the extending arm connecting part and is sleeved into the input shaft of the speed reducer so as to drive the input shaft to rotate, or is a motor fixedly arranged on the extending arm connecting part, and the output shaft of the motor extends into the cavity through the avoiding hole of the extending arm connecting part and is coaxially connected with the input shaft of the speed reducer.
Further, aforementioned ring height adjustment mechanism, wherein: the structure of the safety locking mechanism comprises: a row of first threaded locking holes are sequentially arranged on the left side of the front side wall of the support frame from top to bottom at intervals, first positioning through holes are respectively arranged on the upper side and the lower side of the mounting part on the left side of the connecting part, each first positioning through hole can respectively correspond to one first threaded locking hole when the extension arm moves up and down, a first fixing bolt penetrates through each corresponding first threaded locking hole and each first positioning through hole, and each first fixing bolt penetrates through the corresponding first positioning through hole and then is in threaded connection with the corresponding first threaded locking hole; the right side of the front side wall of the support frame is provided with a row of second threaded locking holes which are distributed at intervals from top to bottom in sequence, the upper side and the lower side of the mounting part on the right side of the connecting part are respectively provided with a second positioning through hole, each second positioning through hole can respectively correspond to one second threaded locking hole when the extending arm moves up and down, a second fixing bolt is arranged in each corresponding second threaded locking hole and each second positioning through hole in a penetrating mode, and each second fixing bolt penetrates through the corresponding second positioning through hole and then is connected in the corresponding second threaded locking hole in a threaded mode.
Through the implementation of the above technical scheme, the beneficial effects of the utility model are that: (1) The basketball stand has the advantages that the basketball stand is simple in structure and convenient to operate and use, the using height of the basket ring can be freely adjusted, the application range of the basketball stand is expanded, the expenditure for purchasing equipment is further reduced, and the using cost is reduced; (2) After the basket ring reaches the use height, the extending arm is locked and fixed on the support frame through the fixing bolt, so that the use safety of the basketball stand is ensured; (3) When the basket ring reaches the use height and the rotating acting force applied to the input shaft of the speed reducer by the transmission assembly is removed, the output shaft of the speed reducer cannot rotate under the action of the self weight of the extension arm and the speed reducer due to the self-locking function of the speed reducer, so that the extension arm is prevented from sliding downwards due to the self weight, and the use safety of the basketball stand is further ensured; (4) The speed reducer is arranged in the cavity of the extending arm connecting part, so that the speed reducer can be prevented from being exposed or being drenched in the use process of the basketball stand, the speed reducer is effectively protected, and the service life of the basketball stand is prolonged.
Drawings
Fig. 1 is a schematic structural view of a basket ring height adjusting mechanism according to the present invention.
Fig. 2 is an enlarged schematic view of a portion a shown in fig. 1.
Fig. 3 is a schematic structural view in a top view of fig. 1.
Fig. 4 is an enlarged schematic view of a portion B shown in fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1, 2, 3 and 4, the basket ring height adjusting mechanism comprises: the basketball stand comprises a support frame 1 and an extension arm 4, wherein the front end of the extension arm 4 is provided with a basket ring 2 and a backboard 3, the front side wall of the support frame 1 is provided with a slide rail assembly in a vertical direction, the rear end of the extension arm 4 is provided with a slide block assembly in sliding fit with the slide rail assembly, the extension arm 4 is matched with the slide rail assembly through the slide block assembly and can move up and down relative to the support frame 1, the front side wall of the support frame 1 is provided with a rack 5 in the vertical direction, the rear end of the extension arm 4 is fixedly provided with a speed reducer 6 with a self-locking function, an output shaft of the speed reducer 6 is provided with a transmission gear 7 meshed with the rack 5, an input shaft of the speed reducer 6 is connected with a transmission assembly 8 for driving the input shaft to rotate so as to synchronously drive the output shaft to rotate, the transmission assembly 8 can drive the transmission gear 7 to move downwards or upwards along the rack 5 through the speed reducer 6 so as to synchronously drive the extension arm 4 provided with the basket ring 2 to move downwards or upwards, and a safety locking mechanism for locking the extension arm 4 to be fixed on the support frame 1 when the extension arm 4 stops moving is further arranged between the support frame 4 and the support frame 1;
in this embodiment, the rear end of the boom 4 has a connecting portion 41, the rear end surface of the connecting portion facing the front side wall of the support frame 1 is recessed to form a cavity 42, the speed reducer 6 is installed in the cavity 42, and the side wall of the connecting portion 41 is provided with a relief hole 43 for facilitating the transmission assembly 8 to extend into the cavity 42 and rotate the input shaft of the speed reducer 42; the left side and the right side of the connecting part 41 respectively extend outwards to form two mounting parts 44, the sliding block assembly is fixed on the mounting parts 44, and the speed reducer 42 for driving the extending arm to move up and down is arranged in the cavity 42 of the connecting part, so that the speed reducer 42 can be prevented from being exposed to the sun or being drenched in the use process of the basketball stand, the speed reducer 42 is effectively protected, the speed reducer 42 is not easy to damage, and the service life of equipment is prolonged; in this embodiment, the slide rail assembly includes two vertical slide rails 9, and the two vertical slide rails 9 are distributed on the left and right sides of the rack 5; the sliding block assembly comprises two groups of sliding blocks 10 which are distributed left and right, the two groups of sliding blocks 10 are respectively fixed on the two installation parts 44, the two groups of sliding blocks 10 are respectively and correspondingly arranged on the two vertical sliding rails 11 in a sliding manner, and the arrangement mode can ensure that the extending arm is more stable when moving up and down;
in this embodiment, the transmission assembly 8 is a crank which can extend into the cavity 42 through the avoiding hole 43 of the boom connecting part 41 and is sleeved into the input shaft of the speed reducer 6 to drive the input shaft to rotate, or a motor which is fixedly installed on the boom connecting part 41, and the output shaft of the motor extends into the cavity through the avoiding hole of the boom connecting part and is coaxially connected with the input shaft of the speed reducer;
in the present embodiment, the structure of the safety lock mechanism includes: a row of first threaded locking holes are sequentially arranged on the left side of the front side wall of the support frame 1 from top to bottom at intervals, first positioning through holes are respectively arranged on the upper side and the lower side of the mounting part 44 on the left side of the connecting part 41, each first positioning through hole can respectively correspond to one first threaded locking hole when the extending arm 4 moves up and down, a first fixing bolt 12 penetrates through each corresponding first threaded locking hole and each first positioning through hole, and each first fixing bolt penetrates through the corresponding first positioning through hole and then is in threaded connection with the corresponding first threaded locking hole; the right side of the front side wall of the support frame 1 is provided with a row of second threaded locking holes which are sequentially distributed at intervals from top to bottom, the upper side and the lower side of the mounting part 44 on the right side of the connecting part 41 are respectively provided with a second positioning through hole, each second positioning through hole can respectively correspond to one second threaded locking hole when the extending arm moves up and down, a second fixing bolt 13 is arranged in each corresponding second threaded locking hole and each second positioning through hole in a penetrating mode, each second fixing bolt 13 penetrates through the corresponding second positioning through hole and then is in threaded connection with the corresponding second threaded locking hole, and the safety locking mechanism is simple in structure and convenient to disassemble, assemble and use.
The height adjusting process of the basket ring is explained by taking the crank as a transmission component:
firstly, the first fixing bolt 12 is screwed out of a corresponding first threaded locking hole in the front side wall of the support frame, and the second fixing bolt 13 is screwed out of a corresponding second threaded locking hole in the front side wall of the support frame, at the moment, due to the self-locking function of the speed reducer, an output shaft of the speed reducer cannot rotate under the self-weight action of the extension arm and the speed reducer, namely, the extension arm cannot slide downwards due to self-weight; then, the crank is extended into the cavity 42 through the avoiding hole 43 of the extending arm connecting part 41 and sleeved on the input shaft of the speed reducer 6, then the crank is rotated to drive the input shaft of the speed reducer 6 to rotate and synchronously drive the output shaft of the speed reducer 6 to rotate, and the output shaft of the speed reducer 6 drives the transmission gear 7 to move downwards or upwards along the rack 5 when rotating, so that the extending arm 4 provided with the basket ring 2 is synchronously driven to move downwards or upwards, and the use height of the basket ring 2 is adjusted; after the basket ring reaches the use height, the crank is pulled out, then the first fixing bolt 12 is screwed again into the corresponding first threaded locking hole, and meanwhile, the second fixing bolt 13 is screwed again into the corresponding second threaded locking hole.
The utility model has the advantages that: (1) The basketball stand is simple in structure and convenient to operate and use, the use height of the basket ring can be freely adjusted, the application range of the basketball stand is expanded, the expense for purchasing equipment is further reduced, and the use cost is reduced; (2) After the basket ring reaches the use height, the extending arm is locked and fixed on the support frame through the fixing bolt, so that the use safety of the basketball stand is ensured; (3) When the basket ring reaches the use height and the rotating acting force applied to the input shaft of the speed reducer by the transmission assembly is removed, the output shaft of the speed reducer cannot rotate under the action of the self weight of the extension arm and the speed reducer due to the self-locking function of the speed reducer, so that the extension arm is prevented from sliding downwards due to the self weight, and the use safety of the basketball stand is further ensured; (4) The speed reducer is arranged in the cavity of the extending arm connecting part, so that the speed reducer can be prevented from being exposed to the sun or rain in the use process of the basketball stand, the speed reducer is effectively protected, and the service life of the basketball stand is prolonged.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any modifications or equivalent changes made in accordance with the technical spirit of the present invention are also within the scope of the present invention.
Claims (5)
1. A rim height adjustment mechanism, comprising: the support frame and the arm that stretches of basketball hoop and backboard are installed to the front end, its characterized in that: the automatic lifting device comprises a support frame, a sliding rail assembly, a rack, a speed reducer, a transmission assembly and a safety locking mechanism, wherein the sliding rail assembly is arranged in the vertical direction on the front side wall of the support frame, the sliding block assembly is arranged at the rear end of an extension arm and is in sliding fit with the sliding rail assembly, the extension arm is matched with the sliding rail assembly through the sliding block assembly and can move up and down relative to the support frame, the rack in the vertical direction is arranged on the front side wall of the support frame, the speed reducer with a self-locking function is fixedly arranged at the rear end of the extension arm, a transmission gear meshed with the rack is arranged on an output shaft of the speed reducer, the input shaft of the speed reducer is connected with the transmission assembly which is used for driving the input shaft to rotate so as to synchronously drive the output shaft to rotate, the transmission assembly can drive the transmission gear to move downwards or upwards along the rack through the speed reducer so as to synchronously drive the extension arm provided with a basket ring to move downwards or upwards, and the safety locking mechanism used for locking the extension arm to be fixed on the support frame when the extension arm stops moving is further arranged between the extension arm and the support frame.
2. The mechanism of claim 1, wherein: the rear end of the extending arm is provided with a connecting part, the rear end surface of the connecting part, which faces the front side wall of the support frame, is concave inwards to form a cavity, the speed reducer is arranged in the cavity, and the side wall of the connecting part is provided with a yielding hole which is convenient for the transmission assembly to extend into the cavity and rotate the input shaft of the speed reducer; the left and right sides of connecting portion outwards extend respectively and form two installation departments, and slider component is fixed in the installation department.
3. The mechanism of claim 2, wherein: the sliding rail assembly comprises two vertical sliding rails, and the two vertical sliding rails are distributed on the left side and the right side of the rack; the sliding block assembly comprises two groups of sliding blocks which are distributed left and right, the two groups of sliding blocks are fixed on the two installation parts respectively, and the two groups of sliding blocks are arranged on the two vertical sliding rails in a sliding mode respectively.
4. A rim height adjustment mechanism as claimed in claim 1, 2 or 3, wherein: the transmission component is a crank which can extend into the cavity through the avoiding hole of the extending arm connecting part and is sleeved into the input shaft of the speed reducer so as to drive the input shaft to rotate, or is a motor fixedly arranged on the extending arm connecting part, and the output shaft of the motor extends into the cavity through the avoiding hole of the extending arm connecting part and is coaxially connected with the input shaft of the speed reducer.
5. A rim height adjustment mechanism as claimed in claim 1, 2 or 3, wherein: the structure of the safety locking mechanism comprises: a row of first threaded locking holes are sequentially distributed at intervals from top to bottom on the left side of the front side wall of the support frame, first positioning through holes are respectively formed in the upper side and the lower side of the mounting part on the left side of the connecting part, each first positioning through hole can respectively correspond to one first threaded locking hole when the extending arm moves up and down, a first fixing bolt penetrates through each corresponding first threaded locking hole and each first positioning through hole, and each first fixing bolt penetrates through the corresponding first positioning through hole and then is in threaded connection with the corresponding first threaded locking hole; the right side of the front side wall of the support frame is provided with a row of second threaded locking holes which are sequentially distributed at intervals from top to bottom, the upper side and the lower side of the installation part on the right side of the connecting part are respectively provided with a second positioning through hole, each second positioning through hole can respectively correspond to one second threaded locking hole when the extension arm moves up and down, a second fixing bolt penetrates through each corresponding second threaded locking hole and each second positioning through hole, and each second fixing bolt penetrates through the corresponding second positioning through hole and then is connected into the corresponding second threaded locking hole in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222254798.5U CN218458581U (en) | 2022-08-26 | 2022-08-26 | Basket ring height adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222254798.5U CN218458581U (en) | 2022-08-26 | 2022-08-26 | Basket ring height adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218458581U true CN218458581U (en) | 2023-02-10 |
Family
ID=85140316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222254798.5U Active CN218458581U (en) | 2022-08-26 | 2022-08-26 | Basket ring height adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218458581U (en) |
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2022
- 2022-08-26 CN CN202222254798.5U patent/CN218458581U/en active Active
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