CN215025835U - Student is basketball stands for sports training - Google Patents

Student is basketball stands for sports training Download PDF

Info

Publication number
CN215025835U
CN215025835U CN202120405773.3U CN202120405773U CN215025835U CN 215025835 U CN215025835 U CN 215025835U CN 202120405773 U CN202120405773 U CN 202120405773U CN 215025835 U CN215025835 U CN 215025835U
Authority
CN
China
Prior art keywords
groove
gear
movable block
screw rod
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120405773.3U
Other languages
Chinese (zh)
Inventor
陈辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202120405773.3U priority Critical patent/CN215025835U/en
Application granted granted Critical
Publication of CN215025835U publication Critical patent/CN215025835U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Transmission Devices (AREA)

Abstract

The application discloses student is basketball stands for sports training, including base, control box, backup pad and positioning mobile device, elevating gear and adjusting device, positioning mobile device includes supporting leg, inside groove, first screw rod, first movable block, push pedal, walking wheel, connecting rod, first gear, first motor, second gear, guide way, side slot and guide block, and the inside groove has been seted up to the bottom of base, and the inside of inside groove is rotated and is connected first screw rod. Drive first gear through first motor and rotate, first gear drives the second gear that the meshing is connected and rotates, the second gear drives first screw rod and rotates, first screw rod and two first movable block screw thread rotations of inside of inside groove, first movable block passes through the guide block and slides along the guide way, first movable block drives the one end of connecting rod and removes, the other end of connecting rod promotes the push pedal and moves down, the push pedal slides and drives the walking wheel along the side channel and move down, the push pedal promotes walking wheel and ground contact and with the supporting leg top ground, convenient to use.

Description

Student is basketball stands for sports training
Technical Field
The application relates to a basketball stand, in particular to a basketball stand for physical training of students.
Background
At present, basketball is a very popular sport mode for people, the popularity of basketball sport in China is higher and higher, people at different ages have different requirements on the height of a basketball stand, in high school, basketball teaching is often performed in sports courses, and teachers provide guidance and training of basketball knowledge for students.
Basketball stands often are fixed and can't remove easily, and basketball stands add in its bottom and are equipped with the wheel a bit, nevertheless lead to basketball stands unstability easily, and highly certain when basket and backboard, the inconvenient use of the student of equidimension not, and the difficult regulation in position of current basketball stand, current adjusting device is when using, wastes time and energy, and inconvenient position to basketball stands is adjusted. Therefore, the basketball stand for physical training of the students is provided for solving the problems.
Disclosure of Invention
A basketball stand for physical training of students comprises a base, a control box, a supporting plate, a positioning and moving device, a lifting device and an adjusting device;
the positioning and moving device comprises supporting legs, an inner groove, a first screw rod, a first movable block, a push plate, a traveling wheel, a connecting rod, a first gear, a first motor, a second gear, a guide groove, a side groove and a guide block, wherein the inner groove is formed in the bottom of the base, and the first screw rod is rotatably connected inside the inner groove;
the lifting device comprises a second motor, a fixed cylinder, a second movable block, a second screw rod, a movable groove, a supporting rod and a top plate, the side wall of the top end of the base is fixedly connected with a control box, the top end of the control box is fixedly connected with the fixed cylinder, and the second motor is installed inside the control box;
the adjusting device comprises an adjusting groove, a hydraulic rod, an adjusting block, an installing plate, an installing groove, a fixing bolt, a backboard and a basket, wherein the adjusting groove is formed in one side of the bottom of the supporting plate, and the installing grooves are formed in the side walls of the two ends of the base.
Furthermore, the bottom lateral wall fixed connection supporting leg of base, the quantity of supporting leg is four, four the supporting leg symmetric distribution is around the bottom of base.
Furthermore, a first motor is installed on one side of the inside of the base, a second gear is sleeved on the output end of the first motor, the second gear is meshed with the first gear, the first gear is sleeved on one end of a first screw, and the first screw is rotatably connected inside the inner groove.
Further, the side channel has all been seted up to the inside both sides of base, the quantity of side channel is two, two the both ends of the inside sliding connection push pedal of side channel, the walking wheel is installed to the bottom lateral wall of push pedal, the quantity of walking wheel is four, four walking wheel symmetric distribution is in the bottom of push pedal.
Further, first screw rod threaded connection first movable block, the quantity of first movable block is two, two the top fixed connection guide block of first movable block, guide block sliding connection guide way, the inside at the base is seted up to the guide way, the quantity of guide block is two, two the guide block symmetric distribution is in the inside both sides of guide way.
Furthermore, the bottom of the first movable block is connected with one end of a connecting rod in a rotating mode through a pin shaft, the other end of the connecting rod is connected with the top of the push plate in a rotating mode through a pin shaft, the number of the connecting rods is two, and the two connecting rods are symmetrically distributed on two sides of the top of the push plate.
Furthermore, the output end of the second motor is sleeved with a second screw rod, the second screw rod is rotatably connected inside the fixed cylinder, a movable groove is formed inside the fixed cylinder, and the second screw rod is in threaded connection with a second movable block.
Further, the second movable block sliding connection movable groove, the top fixed connection bracing piece's of second movable block one end, the other end of bracing piece runs through the top of the fixed section of thick bamboo of slip and the bottom of fixed connection roof, the quantity of bracing piece is two, two bracing piece symmetric distribution is in the top both sides of second movable block.
Further, the top end of the top plate is fixedly connected with the bottom end of the adjusting block, the adjusting block is connected with the adjusting groove in a sliding mode, the outer side wall of one end of the adjusting block is fixedly connected with the output end of the hydraulic rod, and the hydraulic rod is installed inside the adjusting groove.
Furthermore, the mounting plate is clamped and connected inside the mounting groove and is in threaded connection with the supporting plate through a fixing bolt, the side wall of one end of the mounting plate is fixedly connected with the backboard, and the side wall of one end of the backboard is fixedly connected with the basket.
The beneficial effect of this application is: the application provides a convenient student's basketball stands for sports training who removes and fix a position and be convenient for altitude mixture control.
Drawings
In order to more clearly illustrate the embodiments of the present application 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 introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic overall perspective view of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;
FIG. 3 is a schematic view of the positions of the first and second gears according to an embodiment of the present application.
FIG. 4 is a schematic view of the position of the mounting plate, retaining bolt, and backboard according to one embodiment of the present application.
Fig. 5 is a schematic structural diagram of a second movable block, a second screw rod and a support rod according to an embodiment of the present application.
Figure 6 is a schematic view of the position of the push plate and the road wheel according to an embodiment of the present application.
In the figure: 1. the base, 2, supporting leg, 3, the inside groove, 4, first screw rod, 5, first movable block, 6, push pedal, 7, walking wheel, 8, connecting rod, 9, first gear, 10, first motor, 11, second gear, 12, the guide way, 13, the side groove, 14, the guide block, 15, the control box, 16, the second motor, 17, the fixed cylinder, 18, the second movable block, 19, the second screw rod, 20, the movable groove, 21, the bracing piece, 22, the roof, 23, the backup pad, 24, the adjustment tank, 25, the hydraulic stem, 26, the adjustment block, 27, the mounting panel, 28, the mounting groove, 29, fixing bolt, 30, backboard, 31, basket.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1-6, a basketball stand for physical training of students comprises a base 1, a control box 15, a support plate 23, a positioning and moving device, a lifting device and an adjusting device;
the positioning and moving device comprises supporting legs 2, an inner groove 3, a first screw rod 4, a first movable block 5, a push plate 6, a traveling wheel 7, a connecting rod 8, a first gear 9, a first motor 10, a second gear 11, a guide groove 12, a side groove 13 and a guide block 14, wherein the inner groove 3 is formed in the bottom of the base 1, and the first screw rod 4 is rotatably connected inside the inner groove 3;
the lifting device comprises a second motor 16, a fixed cylinder 17, a second movable block 18, a second screw rod 19, a movable groove 20, a support rod 21 and a top plate 22, the side wall of the top end of the base 1 is fixedly connected with a control box 15, the top end of the control box 15 is fixedly connected with the fixed cylinder 17, and the second motor 16 is installed inside the control box 15;
the adjusting device comprises an adjusting groove 24, a hydraulic rod 25, an adjusting block 26, a mounting plate 27, a mounting groove 28, a fixing bolt 29, a backboard 30 and a basket 31, wherein the adjusting groove 24 is formed in one side of the bottom of the supporting plate 23, and the mounting grooves 28 are formed in the side walls of the two ends of the base 1.
The side wall of the bottom end of the base 1 is fixedly connected with four supporting legs 2, and the four supporting legs 2 are symmetrically distributed around the bottom end of the base 1, so that the structure is more reasonable and the connection is convenient; a first motor 10 is installed on one side inside the base 1, a second gear 11 is sleeved on the output end of the first motor 10, the second gear 11 is meshed with and connected with a first gear 9, the first gear 9 is sleeved on one end of a first screw rod 4, and the first screw rod 4 is rotatably connected inside the inner groove 3, so that the structure is more reasonable and the connection is convenient; two side grooves 13 are formed in two sides of the interior of the base 1, the number of the side grooves 13 is two, the interior of the two side grooves 13 is slidably connected with two ends of the push plate 6, the side wall of the bottom end of the push plate 6 is provided with four traveling wheels 7, and the four traveling wheels 7 are symmetrically distributed at the bottom of the push plate 6, so that the structure is more reasonable and the connection is convenient; the first screw rod 4 is in threaded connection with the first movable blocks 5, the number of the first movable blocks 5 is two, the top ends of the two first movable blocks 5 are fixedly connected with the guide blocks 14, the guide blocks 14 are in sliding connection with the guide grooves 12, the guide grooves 12 are formed in the base 1, the number of the guide blocks 14 is two, and the two guide blocks 14 are symmetrically distributed on two sides of the inner portion of the guide grooves 12, so that the structure is more reasonable, and the connection is convenient; the bottom of the first movable block 5 is rotatably connected with one end of a connecting rod 8 through a pin shaft, the other end of the connecting rod 8 is rotatably connected with the top of the push plate 6 through a pin shaft, the number of the connecting rods 8 is two, and the two connecting rods 8 are symmetrically distributed on two sides of the top of the push plate 6, so that the structure is more reasonable and the connection is convenient; the output end of the second motor 16 is sleeved with a second screw rod 19, the second screw rod 19 is rotatably connected inside the fixed cylinder 17, a movable groove 20 is formed inside the fixed cylinder 17, and the second screw rod 19 is in threaded connection with a second movable block 18, so that the structure is more reasonable and the connection is convenient; the second movable block 18 is slidably connected with the movable groove 20, the top end of the second movable block 18 is fixedly connected with one end of a support rod 21, the other end of the support rod 21 penetrates through the top of the sliding fixed cylinder 17 and is fixedly connected with the bottom end of a top plate 22, the number of the support rods 21 is two, and the two support rods 21 are symmetrically distributed on two sides of the top end of the second movable block 18, so that the structure is more reasonable, and the connection is convenient; the top end of the top plate 22 is fixedly connected with the bottom end of an adjusting block 26, the adjusting block 26 is connected with an adjusting groove 24 in a sliding mode, the outer side wall of one end of the adjusting block 26 is fixedly connected with the output end of a hydraulic rod 25, and the hydraulic rod 25 is installed inside the adjusting groove 24, so that the structure is more reasonable, and the connection is convenient; the mounting plate 27 is clamped and connected inside the mounting groove 28, the mounting plate 27 is in threaded connection with the support plate 23 through a fixing bolt 29, the backboard 30 is fixedly connected to one side wall of the mounting plate 27, and the basket 31 is fixedly connected to one side wall of the backboard 30, so that the structure is more reasonable, and the connection is convenient.
When the device is used, firstly, all electrical components in the device are externally connected with a control switch and a power supply, then, the base 1 is conveniently supported through four supporting legs 2 at the bottom end of the base 1, the first motor 10 is started, the first motor 10 drives the first gear 9 to rotate, the first gear 9 drives the second gear 11 in meshing connection to rotate, the second gear 11 drives the first screw rod 4 to rotate, the first screw rod 4 and two first movable blocks 5 inside the inner groove 3 rotate in a threaded manner, the two first movable blocks 5 slide along the guide groove 12 through the guide block 14, the first movable block 5 drives one end of the connecting rod 8 to move, the other end of the connecting rod 8 pushes the push plate 6 to move downwards, the push plate 6 slides along the side groove 13 and drives the traveling wheel 7 to move downwards, the traveling wheel 7 is pushed by the push plate 6 to be in contact with the ground and push the supporting legs 2 to be away from the ground, the traveling wheel 7 is used for facilitating the movement of the base 1, convenient to use, through starting second motor 16, second motor 16 drives second screw rod 19 and rotates, thereby second screw rod 19 and the inside second movable block 18 screw thread of activity groove 20 rotate and make second movable block 18 slide along activity groove 20 and shift up, second movable block 18 passes through bracing piece 21 and drives roof 22 and shift up, roof 22 passes through regulating block 26 and drives backup pad 23 and adjust from top to bottom, thereby conveniently adapt to not student's use of equidimension, through starting hydraulic stem 25, hydraulic stem 25 promotes regulating block 26 and slides along regulating groove 24, thereby adjust backup pad 23 and roof 22's position, through mounting panel 27, mounting groove 28 and fixing bolt 29, make things convenient for backboard 30 and basket 31's installation and dismantlement, facilitate the use and change.
The application has the advantages that:
1. the structure of the supporting leg is reasonable, the first motor drives the first gear to rotate by starting the first motor, the first gear drives the second gear which is in meshed connection to rotate, the second gear drives the first screw to rotate, the first screw and the two first movable blocks in the inner groove rotate in a threaded manner, the two first movable blocks slide along the guide groove through the guide blocks, the first movable blocks drive one end of the connecting rod to move, the other end of the connecting rod pushes the push plate to move downwards, the push plate slides along the side groove and drives the walking wheels to move downwards, the push plate pushes the walking wheels to be in contact with the ground and push the supporting legs to be away from the ground, the movement of the base is facilitated through the walking wheels, and the use is facilitated;
2. the structure is reasonable, the second motor drives the second screw rod to rotate by starting the second motor, the second screw rod and the second movable block in the movable groove rotate in a threaded mode so that the second movable block can slide and move upwards along the movable groove, the second movable block drives the top plate to move upwards through the supporting rod, and the top plate drives the supporting plate to adjust up and down through the adjusting block, so that the novel movable table is convenient to adapt to students with different sizes;
3. this application is rational in infrastructure, and through starting the hydraulic stem, the hydraulic stem promotes the regulating block and slides along the adjustment tank to the position of adjustment backup pad and roof through mounting panel, mounting groove and fixing bolt, makes things convenient for the installation and the dismantlement of backboard and basket, facilitates the use and changes.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a student is basketball stands for sports training which characterized in that: comprises a base (1), a control box (15), a supporting plate (23), a positioning and moving device, a lifting device and an adjusting device;
the positioning and moving device comprises supporting legs (2), an inner groove (3), a first screw (4), a first movable block (5), a push plate (6), a travelling wheel (7), a connecting rod (8), a first gear (9), a first motor (10), a second gear (11), a guide groove (12), a side groove (13) and a guide block (14), wherein the inner groove (3) is formed in the bottom of the base (1), and the inner part of the inner groove (3) is rotatably connected with the first screw (4);
the lifting device comprises a second motor (16), a fixed cylinder (17), a second movable block (18), a second screw rod (19), a movable groove (20), a support rod (21) and a top plate (22), the side wall of the top end of the base (1) is fixedly connected with a control box (15), the top end of the control box (15) is fixedly connected with the fixed cylinder (17), and the second motor (16) is installed inside the control box (15);
the adjusting device comprises an adjusting groove (24), a hydraulic rod (25), an adjusting block (26), an installing plate (27), an installing groove (28), a fixing bolt (29), a backboard (30) and a basket (31), wherein the adjusting groove (24) is formed in one side of the bottom of the supporting plate (23), and the installing grooves (28) are formed in the side walls of the two ends of the base (1).
2. The basketball stand for student physical training according to claim 1, wherein: the bottom side wall of base (1) fixed connection supporting leg (2), the quantity of supporting leg (2) is four, four supporting leg (2) symmetric distribution is around the bottom of base (1).
3. The basketball stand for student physical training according to claim 1, wherein: the improved structure of the automobile seat is characterized in that a first motor (10) is installed on one side of the interior of the base (1), a second gear (11) is sleeved on the output end of the first motor (10), the second gear (11) is meshed with and connected with a first gear (9), the first gear (9) is sleeved at one end of a first screw rod (4), and the first screw rod (4) is rotatably connected inside the inner groove (3).
4. The basketball stand for student physical training according to claim 1, wherein: side channel (13) have all been seted up to the inside both sides of base (1), the quantity of side channel (13) is two, two the both ends of the inside sliding connection push pedal (6) of side channel (13), walking wheel (7) are installed to the bottom lateral wall of push pedal (6), the quantity of walking wheel (7) is four, four walking wheel (7) symmetric distribution is in the bottom of push pedal (6).
5. The basketball stand for student physical training according to claim 1, wherein: first screw rod (4) threaded connection first movable block (5), the quantity of first movable block (5) is two, two top fixed connection guide block (14) of first movable block (5), guide block (14) sliding connection guide way (12), the inside at base (1) is seted up in guide way (12), the quantity of guide block (14) is two, two guide block (14) symmetric distribution is in the inside both sides of guide way (12).
6. The basketball stand for student physical training according to claim 1, wherein: the bottom of first movable block (5) rotates the one end of connecting rod (8) through the round pin axle, the other end of connecting rod (8) rotates the top of connecting push pedal (6) through the round pin axle, the quantity of connecting rod (8) is two, two connecting rod (8) symmetric distribution is in the top both sides of push pedal (6).
7. The basketball stand for student physical training according to claim 1, wherein: the output end of the second motor (16) is sleeved with a second screw rod (19), the second screw rod (19) is rotatably connected inside the fixed barrel (17), a movable groove (20) is formed in the fixed barrel (17), and the second screw rod (19) is in threaded connection with a second movable block (18).
8. The basketball stand for student physical training according to claim 1, wherein: the utility model discloses a fixed support of the building structure, including second movable block (18) sliding connection movable groove (20), the one end of the top fixed connection bracing piece (21) of second movable block (18), the other end of bracing piece (21) runs through the bottom of the top of the fixed section of thick bamboo of slip (17) and fixed connection roof (22), the quantity of bracing piece (21) is two, two bracing piece (21) symmetric distribution is in the top both sides of second movable block (18).
9. The basketball stand for student physical training according to claim 1, wherein: the top fixed connection regulating block's of roof (22) bottom (26), regulating block (26) sliding connection adjustment tank (24), the output of the one end lateral wall fixed connection hydraulic stem (25) of regulating block (26), the inside at adjustment tank (24) is installed in hydraulic stem (25).
10. The basketball stand for student physical training according to claim 1, wherein: the inner part of the mounting groove (28) is clamped and connected with a mounting plate (27), the mounting plate (27) is in threaded connection with the support plate (23) through a fixing bolt (29), the side wall of one end of the mounting plate (27) is fixedly connected with a backboard (30), and the side wall of one end of the backboard (30) is fixedly connected with a basket (31).
CN202120405773.3U 2021-02-24 2021-02-24 Student is basketball stands for sports training Expired - Fee Related CN215025835U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120405773.3U CN215025835U (en) 2021-02-24 2021-02-24 Student is basketball stands for sports training

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120405773.3U CN215025835U (en) 2021-02-24 2021-02-24 Student is basketball stands for sports training

Publications (1)

Publication Number Publication Date
CN215025835U true CN215025835U (en) 2021-12-07

Family

ID=79257228

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120405773.3U Expired - Fee Related CN215025835U (en) 2021-02-24 2021-02-24 Student is basketball stands for sports training

Country Status (1)

Country Link
CN (1) CN215025835U (en)

Similar Documents

Publication Publication Date Title
CN111155654B (en) Variable hinged support capable of improving ground surface deformation adapting capability of building
CN215025835U (en) Student is basketball stands for sports training
CN212460953U (en) Multi-angle sand table display stand
CN209765806U (en) Novel sand table is used in tourism management teaching
CN111968455A (en) Portable clinical care teaching is with preparation equipment of lesson a little
CN114558274B (en) Auxiliary rope swinging integrated machine for rope skipping teaching training
CN215025670U (en) Autistic children hand-eye coordination rehabilitation teaching aid
CN211952181U (en) English education hearing trainer
CN210865339U (en) Sand table display stand
CN210355807U (en) Basketball spring ability training is with jumping to have a jump and reach high device
CN210330124U (en) Work of fine arts display device
CN214068091U (en) Common figure demonstrator for primary mathematics
CN219185704U (en) Jumping stand for physical training
CN215014708U (en) Junior middle school's english translation training platform
CN111450466A (en) Multi-functional physical training instrument
CN214436209U (en) Sit-up apparatus for physical training
CN209879872U (en) Think political affairs classroom teaching device
CN218529715U (en) Convenient shooting equipment with adjustable height for physical education
CN215060852U (en) Wisdom campus student education and learning information collecting device
CN214714187U (en) Convenient shooting equipment with adjustable height for physical education
CN216119126U (en) Practicing table for teachers and materials management training
CN214336038U (en) University student mental health education teaching demonstrating board
CN214541214U (en) Primary school mathematics four fundamental operations demonstration device
CN214955488U (en) Chinese teaching is with reading instrument of giving lessons
CN202504572U (en) Movable lifting platform

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20211207

CF01 Termination of patent right due to non-payment of annual fee