CN214074958U - Lift adjustment formula basketball stands - Google Patents
Lift adjustment formula basketball stands Download PDFInfo
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- CN214074958U CN214074958U CN202022963614.3U CN202022963614U CN214074958U CN 214074958 U CN214074958 U CN 214074958U CN 202022963614 U CN202022963614 U CN 202022963614U CN 214074958 U CN214074958 U CN 214074958U
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- lead screw
- backboard
- sleeved
- positioning seat
- lifting
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Abstract
The utility model provides a lift adjustment formula basketball stands, include the stand, remove base, backboard, ring, backboard connecting device and lift actuating mechanism, backboard connecting device include linking arm, lower linking arm, go up linking arm, lower linking arm, backboard and stand and articulate and form four-bar linkage, its characteristics are: the lifting driving mechanism comprises a crank and an elastic telescopic mechanism driven by the crank, the lower end of the elastic telescopic mechanism is hinged with the upright column, the telescopic upper end of the elastic telescopic mechanism is connected with the free end of the lower connecting arm extending to the rear of the upright column and forms elastic force pulling downwards, and the telescopic upper end of the elastic telescopic mechanism stretches and moves by rotating the crank so as to drive the backboard to lift. The lifting driving mechanism is of an integral structure, namely the lifting driving mechanism comprises an elastic adjusting auxiliary mechanism, the lifting driving mechanism is simple and compact in structure and low in cost, the backboard height adjusting operation is simple and labor-saving, and the use is safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of sports apparatus, a basketball stands's improvement is related to, a lift adjustment formula basketball stands specifically says so.
Background
The existing basketball stands are generally composed of a backboard, upright posts, baskets and a net on the backboard, in order to adapt to people with different heights, the backboard on some basketball stands is made into an up-down lifting form, the lifting of the backboard is mostly realized by a screw rod adjusting rod in the structure, but in the adjusting process, the difficulty of adjustment is increased invisibly due to the fact that the gravity of the backboard is overcome. In the chinese patent application (publication No. CN 208340050U), the power assisting device and the lifting device are respectively installed on the back of the basketball stand, which has a large floor space and is limited in functionality in use for a site with limited space. In the chinese patent application (publication No. CN 206063691U), the basketball stand is lifted by the gas spring on the fixed support, and the gas spring structure has a short life. In addition, the existing lifting basketball stands mostly adopt hydraulic cylinders or motor transmission, are heavy and have higher cost.
How to design a lift adjustment formula basketball stands, its lift actuating mechanism simple structure, compactness, and the cost is lower, and it is convenient, laborsaving to adjust backboard height, this is the technological problem that this field awaits a urgent need to solve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve the above-mentioned problem that prior art exists, provide a lift adjustment formula basketball stands, lift actuating mechanism is monolithic structure, its simple structure, compactness, and the cost is lower, adjusts backboard height easy operation, laborsaving.
The utility model aims at realizing through the following technical scheme:
a lifting adjustment type basketball stand comprises a stand column, a backboard, a basket ring, a backboard connecting device and a lifting driving mechanism, wherein the backboard connecting device comprises an upper connecting arm and a lower connecting arm, the upper connecting arm, the lower connecting arm, the backboard and the stand column are hinged to form a four-bar mechanism, the lifting driving mechanism is characterized by comprising a crank and an elastic telescopic mechanism driven by the crank, the lower end of the elastic telescopic mechanism is hinged to the stand column, the telescopic upper end of the elastic telescopic mechanism is connected with the free end, extending to the rear of the stand column, of the lower connecting arm to form downward-pulling elastic force, and the crank is rotated to enable the telescopic upper end of the elastic telescopic mechanism to move in a telescopic mode so as to drive the backboard to lift.
The improvement of the technical scheme is as follows: the elastic telescopic mechanism comprises a fixed outer pipe, a lifting inner pipe, an auxiliary adjusting spring, a spring outer sleeve, a lead screw, a nut and a lead screw positioning seat, wherein a cavity is arranged in the lead screw positioning seat, the auxiliary adjusting spring is sleeved outside the upper part of the lifting inner pipe, the spring outer sleeve is sleeved outside the auxiliary adjusting spring, the lower end of the spring outer sleeve is fixedly connected with the upper end of the fixed outer pipe, the lower part of the lifting inner pipe is inserted into the fixed outer pipe, the lower end of the fixed outer pipe is fixedly connected with the lead screw positioning seat, the lead screw is arranged in the lifting inner pipe, the nut is sleeved on the lead screw, the nut is fixed on the inner wall of the lower end of the lifting inner pipe, the lower end of the lead screw is inserted into the cavity of the lead screw positioning seat, a second bevel gear is arranged on the lower end of the lead screw, and a first bevel gear meshed with the second bevel gear is arranged in the cavity of the lead screw positioning seat, the first bevel gear is installed on a first transmission shaft, and one end, extending out of the lead screw positioning seat, of the first transmission shaft is fixedly provided with the crank.
The technical scheme is further improved as follows: the outer side wall of the lifting inner pipe is provided with a spring lower retaining piece, the upper end of the spring outer sleeve is provided with a spring upper retaining piece, the spring upper retaining piece is pressed at the upper end of the auxiliary adjusting spring, the spring lower retaining piece is pressed against the lower end of the auxiliary adjusting spring, and the spring outer sleeve is sleeved with a protective plastic pipe.
The technical scheme is further improved as follows: the upper end of lead screw sets up spacing spacer sleeve and spacing separation blade on, spacing separation blade with lift inner tube wall connection, the lower part of lead screw sets gradually down spacing spacer sleeve, limit baffle, bearing and bearing gasket according to upper and lower order, limit baffle with lift inner tube wall connection.
The technical scheme is further improved as follows: the upper end of the lifting inner pipe is hinged with the lower end of the lower connecting arm through a pin shaft, a hinged seat is arranged in the middle of the lower portion of the back face of the backboard, the upper end of the lower connecting arm is hinged with the hinged seat through a pin shaft, the lower end of the upper connecting arm is hinged with the upper portion of the upright post, and the upper end of the upper connecting arm is hinged with the backboard.
The technical scheme is further improved as follows: the lower end of the spring outer sleeve is connected with the upper end of the fixed outer pipe through a connecting bolt and a connecting nut; the middle part of the upright post is provided with a connecting plate, and the connecting plate is hinged with the lower end of the fixed outer tube.
The technical scheme is further improved as follows: the top surface of the screw rod positioning seat is provided with a mounting hole communicated with a cavity of the screw rod positioning seat, the lower part of the screw rod is movably sleeved with a bushing, the bushing is fixed in the mounting hole of the screw rod positioning seat, the second bevel gear is sleeved on the lower end of the screw rod and is fixed by a second fixing pin, and a gasket is sleeved in the screw rod between the bushing and the second bevel gear; the first bevel gear is sleeved on the first transmission shaft and fixed through a first fixing pin, an external thread is arranged at one end, extending out of the lead screw positioning seat, of the first transmission shaft, and one end of the crank is sleeved on the first transmission shaft and fastened at one end of the external thread of the first transmission shaft through a nut.
Compared with the prior art, the utility model the advantage that has with positive effect is:
the utility model provides a lift drive mechanism is monolithic structure, has contained the elasticity promptly and has adjusted complementary unit, need not to set up independent elasticity in addition and adjusts complementary unit, makes its simple structure, compactness, and the cost is lower, adjusts backboard height easy operation, laborsaving, uses safe, reliable.
Drawings
Fig. 1 is a side view of a lifting adjustable basketball stand of the present invention;
fig. 2 is a schematic sectional view of a lifting driving mechanism in a lifting adjustable basketball stand of the present invention;
FIG. 3 is an enlarged schematic view of section A of FIG. 2;
FIG. 4 is an enlarged schematic view of section B of FIG. 2;
fig. 5 is an enlarged schematic view of the portion C in fig. 2.
The numbers in the figure are: 1. a column; 1-1, connecting plates; 2. an upper connecting arm; 3. a lower connecting arm; 4. an elastic telescopic mechanism; 4-1, a first bevel gear; 4-2, a first transmission shaft; 4-3, a lead screw positioning seat; 4-4, seat gaskets; 4-5, lining; 4-6, bearing pad; 4-7, a bearing; 4-8, lower limiting stop sleeve; 4-9, a screw rod; 4-10 of upper limit stop sleeve; 4-11, limiting blocking pieces; 4-12, a spring outer sleeve; 4-13, auxiliary adjusting spring; 4-14, protective plastic pipe; 4-15 parts of second bevel gear; 4-16, a second fixing pin; 4-17, lifting the inner pipe; 4-18, fixing the outer tube; 4-19, a nut; 4-20, a first fixing pin; 4-21, spring lower baffle plate; 4-22, spring upper blocking piece; 4-23 connecting bolts; 4-24 connecting nuts; 4-25, a limit baffle; 4-26, nut; 5. a backboard; 6. a basket ring; 7. a crank handle.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the utility model relates to an embodiment of lift adjustment formula basketball stands, including stand 1, removal base, backboard 5, ring 6, backboard connecting device and lift actuating mechanism, backboard connecting device include linking arm 2, lower linking arm 3, go up linking arm 2, lower linking arm 3, backboard 5 and stand 1 and articulate and form four-bar linkage. The lifting driving mechanism comprises a crank 7 and an elastic telescopic mechanism driven by the crank 7, the lower end of the elastic telescopic mechanism is hinged to the upright post 1, the telescopic upper end of the elastic telescopic mechanism 4 is connected with the free end of the lower connecting arm 3, which extends to the rear of the upright post 1, and elastic force which is pulled downwards is formed, and the telescopic upper end of the elastic telescopic mechanism is made to move in a telescopic mode by rotating the crank 7 so as to drive the backboard 5 to lift.
Specifically, the method comprises the following steps: as shown in fig. 2, 4 and 5, the elastic telescopic mechanism 4 includes a fixed outer tube 4-18, a lifting inner tube 4-17, an auxiliary adjusting spring 4-13, a spring outer tube 4-12, a screw rod 4-9, a nut 4-19 and a screw rod positioning seat 4-3, a cavity is arranged in the screw rod positioning seat 4-3, the auxiliary adjusting spring 4-13 is sleeved outside the upper part of the lifting inner tube 4-17, the spring outer tube 4-12 is sleeved outside the auxiliary adjusting spring 4-13, the lower end of the spring outer tube 4-12 is fixedly connected with the upper end of the fixed outer tube 4-18, the lower part of the lifting inner tube 4-17 is inserted into the fixed outer tube 4-18, and the lower end of the fixed outer tube 4-18 is fixedly connected with the screw rod positioning seat 4-3.
The screw rod 4-9 is arranged in the lifting inner tube 4-17, the screw nut 4-19 is sleeved on the screw rod 4-9, the screw nut 4-19 is fixed on the inner wall of the lower end of the lifting inner tube 4-17, the lower end of the screw rod 4-9 is inserted into a cavity of the screw rod positioning seat 4-3, the lower end of the screw rod 4-9 is provided with a second bevel gear 4-15, a first bevel gear 4-1 meshed with the second bevel gear 4-15 is further arranged in the cavity of the screw rod positioning seat 4-3, the first bevel gear 4-1 is installed on a first transmission shaft 4-2, and a crank 7 is fixed on one end, extending out of the screw rod positioning seat 4-3, of the first transmission shaft 4-2. The transmission direction is changed through the first bevel gear 4-1 and the second bevel gear 4-15 which are meshed with each other, so that the force in the horizontal direction of the first transmission shaft 4-2 is converted into the force for vertical lifting.
As shown in fig. 2 and 3, the upper end of the lifting inner tube 4-17 is provided with a spring lower baffle plate 4-21; as shown in fig. 2 and 4, the inner wall of the spring outer sleeve 4-12 is provided with a spring upper baffle plate 4-22; the upper spring blocking piece 4-22 is pressed at the upper end of the auxiliary adjusting spring 4-13, and the lower spring blocking piece 4-21 is pressed at the lower end of the auxiliary adjusting spring 4-13. In order to prevent the spring outer sleeve 4-12 from being corroded in rain, a protective plastic tube 4-14 is arranged outside the spring outer sleeve 4-12.
Further, as shown in fig. 4, an upper limit stop collar 4-10 and a limit stop piece 4-11 are arranged at the upper end of the screw rod 4-9, and the limit stop piece 4-11 is connected with the inner wall of the lifting inner tube 4-17; as shown in figure 5, the lower end of the screw rod 4-9 is sequentially provided with a lower limit stop collar 4-8, a limit baffle 4-25, a bearing 4-7 and a bearing gasket 4-6 from top to bottom, and the limit baffle 4-25 is connected with the inner wall of the lifting inner tube 4-17.
As shown in FIG. 2, the lower end of the spring outer sleeve 4-12 is connected with the upper end of the fixed outer tube 4-18 by a connecting bolt 4-23 and a connecting nut 4-24. As shown in figure 1, the middle part of the upright post 1 is provided with a connecting plate 1-1, and the connecting plate 1-1 is hinged with the lower end of the fixed outer tube 4-18.
Furthermore, as shown in fig. 5, a mounting hole penetrating through a cavity of the screw positioning seat 4-3 is formed in the top surface of the screw positioning seat 4-3, a bushing 4-5 is movably sleeved at the lower part of the screw 4-9, the bushing 4-5 is fixed in the mounting hole of the screw positioning seat 4-3, the second bevel gear 4-15 is sleeved on the lower end of the screw 4-9 and is fixed by a second fixing pin 4-16, and a seat gasket 4-4 is sleeved on the screw 4-9 between the bushing 4-5 and the second bevel gear 4-15, so that friction between the second bevel gear 4-15 and the bushing 4-5 can be prevented.
The first bevel gear 4-1 is sleeved on the first transmission shaft 4-2 and fixed by a first fixing pin 4-20. An external thread is arranged on one end of the first transmission shaft 4-2 extending out of the lead screw positioning seat 4-3, one end of the crank 7 is sleeved on the first transmission shaft 4-2 and is fastened on one end of the external thread of the first transmission shaft 4-2 through a nut 4-26.
The auxiliary adjusting springs 4-13 are compression springs, and the auxiliary adjusting springs 4-13 have a downward pulling force, so that a torque for balancing the gravity of the backboard 5 is generated, and the aim of saving labor is fulfilled. The auxiliary adjusting spring 4-13 has an upward thrust on the top end of the spring outer sleeve 4-12, and the purpose of saving labor upwards is achieved due to the upward elastic force of the auxiliary adjusting spring 4-13 in the lifting process.
In actual manufacturing, the upright post 2 can be made of a metal round pipe, a metal square pipe or a metal special pipe, and the backboard 5 is made of a wood board, a density board or plastic; the backboard 5 is provided with a hoop 6.
When the device is used specifically, the crank 7 is rotated according to the required height of the basket ring 6, the screw rods 4-9 are driven to rotate synchronously through the transmission mechanism, the screw rods 4-9 push the screw nuts 4-19 to move up and down when rotating, the screw nuts 4-19 drive the lifting inner tubes 4-17 to move up and down axially along the screw rods 4-9, and the backboard 5 is driven to move up and down, so that the height of the basket ring 6 is adjusted. The auxiliary adjusting springs 4-13 can provide required elastic force and play a labor-saving role in the lifting process. Meanwhile, the auxiliary adjusting spring 4-13 is arranged at a position which can save space.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (10)
1. A lifting adjustment type basketball stand comprises a stand column, a backboard, a basket ring, a backboard connecting device and a lifting driving mechanism, wherein the backboard connecting device comprises an upper connecting arm and a lower connecting arm, the upper connecting arm, the lower connecting arm, the backboard and the stand column are hinged to form a four-bar mechanism, the lifting driving mechanism is characterized by comprising a crank and an elastic telescopic mechanism driven by the crank, the lower end of the elastic telescopic mechanism is hinged to the stand column, the telescopic upper end of the elastic telescopic mechanism is connected with the free end, extending to the rear of the stand column, of the lower connecting arm to form downward-pulling elastic force, and the crank is rotated to enable the telescopic upper end of the elastic telescopic mechanism to move in a telescopic mode so as to drive the backboard to lift.
2. The adjustable basketball stand as claimed in claim 1, wherein the elastic extension mechanism comprises a fixed outer tube, an adjustable inner tube, an adjustable spring, a spring outer tube, a lead screw, a nut and a lead screw positioning seat, a cavity is disposed in the lead screw positioning seat, the adjustable spring is sleeved on the upper portion of the adjustable inner tube, the spring outer tube is sleeved on the adjustable spring, the lower end of the spring outer tube is fixedly connected with the upper end of the fixed outer tube, the lower portion of the adjustable inner tube is inserted into the fixed outer tube, the lower end of the fixed outer tube is fixedly connected with the lead screw positioning seat, the lead screw is disposed in the adjustable inner tube, the nut is sleeved on the lead screw, the nut is fixed on the inner wall of the lower end of the adjustable inner tube, and the lower end of the lead screw is inserted into the cavity of the lead screw positioning seat, the lower end of the screw rod is provided with a second bevel gear, a cavity of the screw rod positioning seat is internally provided with a first bevel gear meshed with the second bevel gear, the first bevel gear is arranged on a first transmission shaft, and one end, extending out of the screw rod positioning seat, of the first transmission shaft is fixedly provided with the crank.
3. The adjustable basketball stand as claimed in claim 2, wherein a lower spring retaining piece is disposed on the outer sidewall of the inner tube, an upper spring retaining piece is disposed on the upper end of the outer tube, the upper spring retaining piece is pressed against the upper end of the auxiliary adjusting spring, the lower spring retaining piece is pressed against the lower end of the auxiliary adjusting spring, and a plastic protection tube is sleeved on the outer tube of the outer tube.
4. The lifting adjustable basketball stand as claimed in claim 2 or 3, wherein the upper end of the screw is provided with an upper limit retaining sleeve and a limit retaining piece, the limit retaining piece is connected with the inner wall of the lifting inner tube, the lower portion of the screw is sequentially provided with a lower limit retaining sleeve, a limit baffle, a bearing and a bearing gasket in an up-down order, and the limit baffle is connected with the inner wall of the lifting inner tube.
5. The lifting adjustable basketball stand as claimed in claim 4, wherein the upper end of the lead screw is provided with an upper limit retaining sleeve and a limit retaining piece, the limit retaining piece is connected with the inner wall of the lifting inner tube, the lower portion of the lead screw is sequentially provided with a lower limit retaining sleeve, a limit baffle, a bearing and a bearing gasket in an up-down order, and the limit baffle is connected with the inner wall of the lifting inner tube.
6. The lifting adjustable basketball stand as claimed in claim 2 or 3, wherein the upper end of the lifting inner tube is hinged to the lower end of the lower connecting arm by a pin, a hinge seat is arranged in the middle of the lower portion of the back of the backboard, the upper end of the lower connecting arm is hinged to the hinge seat by a pin, the lower end of the upper connecting arm is hinged to the upper portion of the upright post, and the upper end of the upper connecting arm is hinged to the backboard.
7. The lift-adjustable basketball stand as claimed in claim 5, wherein the upper end of the inner lift pipe is hinged to the lower end of the lower connecting arm by a pin, a hinge seat is provided in the middle of the lower portion of the back of the backboard, the upper end of the lower connecting arm is hinged to the hinge seat by a pin, the lower end of the upper connecting arm is hinged to the upper portion of the upright post, and the upper end of the upper connecting arm is hinged to the backboard.
8. The lift-adjustable basketball stand as claimed in claim 2 or 3, wherein the lower end of the outer spring tube is connected to the upper end of the outer fixed tube by a connecting bolt and a connecting nut; the middle part of the upright post is provided with a connecting plate, and the connecting plate is hinged with the lower end of the fixed outer tube.
9. The lifting adjustable basketball stand as claimed in claim 2 or 3, wherein the top surface of the lead screw positioning seat is provided with a mounting hole which is communicated with the cavity of the lead screw positioning seat, the lower part of the lead screw is movably sleeved with a bushing which is fixed in the mounting hole of the lead screw positioning seat, the second bevel gear is sleeved on the lower end of the lead screw and is fixed by a second fixing pin, and a gasket is sleeved in the lead screw between the bushing and the second bevel gear; the first bevel gear is sleeved on the first transmission shaft and fixed through a first fixing pin, an external thread is arranged at one end, extending out of the lead screw positioning seat, of the first transmission shaft, and one end of the crank is sleeved on the first transmission shaft and fastened at one end of the external thread of the first transmission shaft through a nut.
10. The lifting adjustable basketball stand as claimed in claim 7, wherein the top surface of the lead screw positioning seat is provided with a mounting hole penetrating through the cavity of the lead screw positioning seat, the lower part of the lead screw is movably sleeved with a bushing fixed in the mounting hole of the lead screw positioning seat, the second bevel gear is sleeved on the lower end of the lead screw and fixed by a second fixing pin, and a gasket is sleeved in the lead screw between the bushing and the second bevel gear; the first bevel gear is sleeved on the first transmission shaft and fixed through a first fixing pin, an external thread is arranged at one end, extending out of the lead screw positioning seat, of the first transmission shaft, and one end of the crank is sleeved on the first transmission shaft and fastened at one end of the external thread of the first transmission shaft through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022963614.3U CN214074958U (en) | 2020-12-11 | 2020-12-11 | Lift adjustment formula basketball stands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022963614.3U CN214074958U (en) | 2020-12-11 | 2020-12-11 | Lift adjustment formula basketball stands |
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| CN214074958U true CN214074958U (en) | 2021-08-31 |
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| CN202022963614.3U Active CN214074958U (en) | 2020-12-11 | 2020-12-11 | Lift adjustment formula basketball stands |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750492A (en) * | 2021-10-26 | 2021-12-07 | 青岛三柏硕健康科技股份有限公司 | Basketball stand and rapid installation method thereof |
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2020
- 2020-12-11 CN CN202022963614.3U patent/CN214074958U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750492A (en) * | 2021-10-26 | 2021-12-07 | 青岛三柏硕健康科技股份有限公司 | Basketball stand and rapid installation method thereof |
| CN113750492B (en) * | 2021-10-26 | 2023-03-10 | 青岛三柏硕健康科技股份有限公司 | Basketball stand and rapid installation method thereof |
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