CN210021091U - Liftable backboard assembly mechanism - Google Patents
Liftable backboard assembly mechanism Download PDFInfo
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- CN210021091U CN210021091U CN201920558183.7U CN201920558183U CN210021091U CN 210021091 U CN210021091 U CN 210021091U CN 201920558183 U CN201920558183 U CN 201920558183U CN 210021091 U CN210021091 U CN 210021091U
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- backboard
- lead screw
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- sliding
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Abstract
The utility model discloses a liftable backboard assembly mechanism, including setting up in the motor of mount lower part, the output of motor links to each other with the lead screw lower extreme transmission that sets up in the top, the lead screw upper end links to each other with the lead screw slider transmission, the lead screw slider links to each other with the backboard frame upper portion of backboard is fixed, the mount lower part left and right sides symmetry respectively links to each other at least one sliding block, the sliding block center has worn the slip direction circle axle, the top and the bottom of slip direction circle axle are respectively through the mount pad and the backboard frame is fixed links to each other, backboard rebound to top extreme position, the backboard top can not bulge backboard top surface face, the backboard rebound to bottom extreme position, the backboard bottom can not exceed backboard bottom face. Compared with the prior art, the utility model discloses technical scheme has advantages such as work safety, transmission are reliable, the structure is firm, can effectively improve the fail safe nature that liftable backboard assembly mechanism used.
Description
Technical Field
The utility model relates to a basketball stands technical field, in particular to liftable backboard assembly mechanism.
Background
Basketball stands on the market backboard is usually installed on the upper portion of the basketball stand in a fixed mode, but the backboard installation position is fixed, so that the shooting height can not be adjusted, the backboard can not be well adapted to different heights or different occasions to use, and the existing backboard is greatly limited in the actual use process.
In order to solve the above problems, chinese patent (publication No. CN205886137U) discloses an automatic lifting mechanism for a backboard, which employs a motor to drive a lifting mechanism, and then the lifting mechanism is used to lift the backboard up and down, but the motor of the patent is disposed above the backboard, so that a user can easily throw a basketball to and impact the surface of the motor to cause a motor failure when using the automatic lifting mechanism for a long time, and in addition, a guide assembly which is used to cooperate with the backboard up and down movement employs a guide rod and a guide sleeve to cooperate with each other, and the guide rod and the guide sleeve have rectangular cross sections, so that dust is accumulated between the guide rod and the guide sleeve for a long time, and the guide rod and the guide sleeve are likely to cause a mismatch between the guide rod and the guide sleeve during a relative transmission process, and the guide rod and the guide sleeve having rectangular cross sections are likely to cause a mismatch.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a safe reliability that work safety, transmission are reliable, the structure is firm can be lifted backboard assembly mechanism, aim at improving the liftable backboard assembly mechanism and use.
In order to realize the above-mentioned purpose, the utility model provides a liftable backboard assembly mechanism, including setting up in the motor of mount lower part, the output of motor links to each other with the lead screw lower extreme transmission that sets up in the top, the lead screw upper end links to each other with the lead screw slider transmission, the lead screw slider links to each other with the backboard frame upper portion of backboard is fixed, the mount lower part left and right sides symmetry respectively links to each other at least one sliding block, the sliding block center has worn the slip direction circle axle, the top and the bottom of slip direction circle axle are fixed continuous with the backboard frame through the mount pad respectively, the backboard rebound to top extreme position, the motor top can not bulge backboard top surface, the backboard rebound to bottom extreme position, the motor bottom can not exceed backboard bottom surface.
Preferably, the two sliding blocks connected with the sliding guide circular shaft in a sliding mode are arranged in two, and the two sliding blocks arranged up and down are connected with the sliding guide circular shaft in a concentric shaft sliding mode.
Preferably, the central axis of the screw rod and the central axis of the sliding guide circular shaft are in the same plane, the screw rod is in transmission connection with the screw rod sliding block, the sliding blocks on the left side and the right side are in sliding connection with the sliding guide circular shaft, and the screw rod and the sliding block are connected to form an isosceles triangle.
Preferably, the bottom end of the screw rod is connected with the parallel thrust bearing and the ball bearing in a sleeved mode, and the top end of the screw rod is connected with the ball bearing in a sleeved mode.
Preferably, the height from the top end of the basketball hoop to the ground after the backboard and the basketball stand are installed is 2.35-3.05 m.
The utility model discloses technical scheme prior art has following advantage relatively:
the utility model discloses technical scheme's liftable backboard assembly mechanism when backboard rebound to the top position, the top of motor can not exceed backboard top end face, and when backboard rebound to the bottom position, the bottom of motor can not exceed backboard bottom end face yet, and the user is shot the in-process and can not directly be strikeed the basketball in the motor surface yet, can guarantee that the motor normally works, also can make liftable backboard assembly mechanism have better whole aesthetic property. Inside centre bore and the circular epaxial peripheral face of slip direction of gliding sliding block of cooperation are circular, fit clearance between the two can set up littleer, pollutants such as dust are difficult to get into in this clearance, but the operation process of liftable backboard assembly mechanism is difficult to the card die and has higher use reliability, and slide through two sliding blocks and the cooperation of slip direction circular axis, make the relative prior art of slip direction circular axis have more guide fulcrums, the up-and-down motion process is more reliable and more stable, the sliding block links to each other with backboard frame medial surface simultaneously, make the relation of connection between sliding block and the backboard more reliable and be difficult to take place connection structure and warp.
Meanwhile, the central axis of the screw rod and the central axes of the sliding guide circular shafts arranged at the two sides of the utility model are in the same plane, the screw rod is in transmission connection with the screw rod slide block, the slide blocks at the left and right sides are in sliding connection with the sliding guide circular shafts, the connecting line of the three positions is isosceles triangle, through the structure, the screw rod, the sliding guide circular shafts and the inner side surface of the backboard are parallel to each other, the backboard is not easy to generate angle deviation in the process of moving up or moving down to cause the jam in the sliding mechanism, and the three connecting positions are isosceles triangle, so that the transmission mechanism, the sliding mechanism and the backboard of the liftable backboard assembly mechanism have higher structural strength after being connected, even if a user carries out the basket buckling process in the actual use process, the backboard structure is not easy to deform or the backboard turns downwards, further improving the use safety performance of the lifting backboard assembly mechanism. In addition, the bottom end of the screw rod is connected with the parallel thrust bearing and the ball bearing in a sleeved mode, the top end of the screw rod is connected with the ball bearing in a sleeved mode, the parallel thrust bearing and the ball bearing are matched with each other to work, friction acting force between the end portion and the fixing frame of the screw rod is reduced in the transmission process, and the transmission process is more efficient and stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of the lifting backboard assembly mechanism of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Backboard | 4 | Screw mandrel |
| 11 | Backboard frame | 5 | |
| 12 | Basket frame | 6 | Sliding guide round shaft |
| 2 | Fixing frame | 7 | Sliding block |
| 3 | Screw rod slide block |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating 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.
The utility model provides a liftable backboard assembly mechanism.
Please refer to fig. 1, the lifting backboard assembly mechanism according to the embodiment of the present invention includes a motor 5 connected to the lower portion of the fixing frame 2, an output end of the motor 5 is connected to a lower end of a lead screw 4 disposed above the motor 5 in a transmission manner, wherein the motor 5 and the lead screw 4 can be connected to each other in a transmission manner through a gear transmission manner, and the upper end of the lead screw 4 is connected to a lead screw slider 3 in a transmission manner, and an external thread is disposed on an outer peripheral surface of the lead screw 4, and an internal thread is disposed on an inner peripheral surface of the lead screw slider 3, so that the lead screw 4. The screw rod sliding block 3 is fixedly connected with the inner side surface of the upper part of the backboard frame 11 of the backboard 1, power is conveyed outwards through the motor 5, the screw rod 4 correspondingly axially rotates, and further the screw rod sliding block 3 axially slides along the outer peripheral surface of the screw rod 4 through thread fit transmission, namely the screw rod sliding block 3 drives the backboard 1 to integrally move up and down. The left side and the right side of the lower part of the fixing frame 2 of the embodiment are respectively and symmetrically connected with two sliding blocks 7, the centers of the two sliding blocks 7 on the same side simultaneously penetrate through the sliding guide circular shaft 6, and the upper end and the lower end of the sliding guide circular shaft 6 are respectively and fixedly connected with the inner side surface of the backboard frame 11 through the mounting seat 8.
The backboard 1 of the liftable backboard assembly mechanism of the embodiment drives the screw rod 4 to axially rotate through the motor 5, and then drives the backboard 1 to move up and down through the screw rod slide block 3 and the screw rod 4 in thread fit transmission, wherein the backboard 1 moves to the upper limit position, the top end of the motor 5 cannot exceed the top end surface of the backboard 1, and when the backboard 1 moves to the lower limit position, the bottom end of the motor 5 cannot exceed the bottom end surface of the backboard 1, so that a user can shoot in the actual use, the basketball can not directly impact the surface of the motor 5 in the shooting process, and the normal work of the motor 5 can be ensured.
In addition, the sliding mechanisms symmetrically arranged on the left side and the right side of the lifting backboard assembly mechanism of the embodiment are in sliding transmission connection with the sliding blocks 4 through the sliding guide circular shafts 6, and the cross-sectional outline of the sliding guide circular shafts 6 is circular, so when the sliding guide circular shafts 6 and the sliding blocks 7 are in matched relative sliding, the phenomenon of jamming caused by inconsistent gaps between the guide rods and the guide sleeves with rectangular cross sections in the prior art can be effectively avoided through the matched sliding of the two sliding blocks 7 and the sliding guide circular shafts 6, the inner central holes of the sliding blocks 7 and the outer peripheral surfaces of the sliding guide circular shafts 6 are circular, the matching gaps between the two sliding blocks can be set to be small, in the practical use process, pollutants such as dust and the like cannot easily enter the gaps, and the lifting backboard assembly mechanism of the embodiment has higher use reliability. And this embodiment slides through two sliding blocks 7 and the cooperation of slip direction circle axle 6, makes slip direction circle axle 6 have more guide pivot than prior art, and the up-and-down motion process is more reliable and more stable, and sliding block 7 links to each other with 11 medial surfaces of backboard frame simultaneously, makes the relation of connection between sliding block 7 and the backboard 1 more reliable and be difficult to take place the connection structure and warp.
The central axis of the screw rod 4 and the central axes of the sliding guiding circular shafts 6 arranged at the two sides of the screw rod 4 are positioned in the same plane, the screw rod 4 and the screw rod sliding block 3 are in transmission connection, the sliding blocks 7 at the left and right sides are in sliding connection with the sliding guiding circular shafts 6, the connecting lines of the three positions are isosceles triangles, through the structure arrangement, the screw rod 4, the sliding guiding circular shafts 6 and the inner side surface of the backboard 1 are mutually parallel, the backboard 1 is not easy to generate angle deviation in the process of moving up or down to cause the jam in the sliding mechanism, and the three connecting positions are arranged to be isosceles triangles, so that the transmission mechanism, the sliding mechanism and the backboard 1 of the liftable backboard assembly mechanism have higher structural strength after being connected, even if a user buckles a basket in the actual use process, the structural deformation of the backboard 1 or the backboard 1 turns downwards are not easy to generate, further improving the use safety performance of the lifting backboard assembly mechanism.
Preferably, the outer peripheral surface of the bottom end of the screw rod 4 is connected with a parallel thrust bearing (not marked on the figure) and a ball bearing in a sleeved mode, the screw rod 4 is enabled to have better centering performance when being installed through the parallel thrust bearing, the outer peripheral surface of the top end of the screw rod 3 is sleeved with the ball bearing (not marked on the figure), and the screw rod 4 is enabled to reduce friction acting force between the end portion and the fixing frame 2 in the transmission process through the mutual matching work of the parallel thrust bearing and the ball bearing, so that the transmission process is more efficient and stable.
In addition, the height of the top end of the basketball hoop 12, which is away from the ground after the backboard and the basketball stand are installed, is 2.35-3.05 meters, so that the height requirements of different users can be basically met.
The utility model discloses an in other embodiments, but lifting backboard assembly mechanism can be equipped with PLC control circuit and is connected with the motor electricity to PLC control circuit can with remote controller radio connection, user's accessible remote controller sends lifting signal to PLC control circuit, and then makes PLC control circuit control motor carry out corresponding forward drive or reverse transmission, makes the corresponding rising of backboard or descend in order to satisfy the user to the adjustment of rim top apart from ground height.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a liftable backboard assembly mechanism, a serial communication port, including setting up in the motor of mount lower part, the output of motor links to each other with the lead screw lower extreme transmission that sets up in the top, the lead screw upper end links to each other with the lead screw slider transmission, the lead screw slider links to each other with the backboard frame upper portion of backboard is fixed, the mount lower part left and right sides symmetry respectively links to each other at least one sliding block, the sliding block center has worn the slip direction circle axle, the top and the bottom of slip direction circle axle are respectively through the mount pad with the backboard frame is fixed continuous, backboard rebound to top extreme position, the motor top can not bulge backboard top surface, the backboard rebound to bottom extreme position, the motor bottom can not exceed backboard bottom surface.
2. The mechanism as claimed in claim 1, wherein the two sliding blocks are slidably connected to the circular sliding guide shaft, and the two sliding blocks are slidably connected to the circular sliding guide shaft.
3. The mechanism as claimed in claim 1, wherein the central axis of the lead screw and the central axis of the circular sliding guide shaft are in the same plane, the lead screw is connected to the lead screw slider in a transmission manner, and the left and right sliding blocks are connected to the circular sliding guide shaft in a sliding manner, and the three parts are connected to form an isosceles triangle.
4. The mechanism of claim 1, wherein the bottom end of the lead screw is coupled to the parallel thrust bearing and the ball bearing socket, and the top end of the lead screw is coupled to the ball bearing socket.
5. The liftable backboard assembly mechanism of claim 1, wherein the height of the top end of the rim of the backboard and the basketball stand after the backboard and the basketball stand are mounted is 2.35-3.05 m from the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920558183.7U CN210021091U (en) | 2019-04-23 | 2019-04-23 | Liftable backboard assembly mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920558183.7U CN210021091U (en) | 2019-04-23 | 2019-04-23 | Liftable backboard assembly mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210021091U true CN210021091U (en) | 2020-02-07 |
Family
ID=69361039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920558183.7U Active CN210021091U (en) | 2019-04-23 | 2019-04-23 | Liftable backboard assembly mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210021091U (en) |
-
2019
- 2019-04-23 CN CN201920558183.7U patent/CN210021091U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210113 Address after: 511400 first floor, No.9 Changsheng Road, Dongyong Town, Nansha District, Guangzhou City, Guangdong Province Patentee after: Guangdong weimeikang sports facilities Co.,Ltd. Address before: Room 1005, building 1, Tian'an headquarters, 555 North Panyu Avenue, Guangzhou, Guangdong 511400 Patentee before: GUANGZHOU WEIMEIKANG EDUCATION DEVELOPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 511400 first floor, No.9 Changsheng Road, Dongyong Town, Nansha District, Guangzhou City, Guangdong Province Patentee after: Weimeikang (Guangdong) Industrial Development Co.,Ltd. Address before: 511400 first floor, No.9 Changsheng Road, Dongyong Town, Nansha District, Guangzhou City, Guangdong Province Patentee before: Guangdong weimeikang sports facilities Co.,Ltd. |