CN212439905U

CN212439905U - Leg pressing equipment is used in adjustable sports teaching

Info

Publication number: CN212439905U
Application number: CN202020772801.0U
Authority: CN
Inventors: 王科群; 陈立康; 曹梓源; 钟志洋; 龚淑婷
Original assignee: East China Institute of Technology
Current assignee: East China Institute of Technology
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-02-02
Anticipated expiration: 2030-05-12

Abstract

The utility model discloses an adjustable leg pressing device for physical education, which comprises a lifting main body, a base and a lifting rod, wherein the base and the lifting rod form the lifting main body, the lifting main body is provided with two groups, and two groups of leg pressing mechanisms are arranged between the lifting main bodies, universal wheels are arranged at four corners of the bottom end surface of the base, a storage box is welded at one side of the top end surface of the base, the lifting rod is arranged at the other side of the top end surface of the base, fixed plates are welded at the bottoms of two symmetrical side surfaces of the lifting rod, the tops of the two groups of fixed plates are provided with first bolts, the two groups of first bolts are connected on the base through the fixed plates in a threaded manner, a lead screw is vertically arranged in a groove which is arranged at one side surface of the lifting rod, which is opposite to the adjacent storage box, the leg pressing device for physical education is easy, can install the depression bar of different length according to the number of teaching people, promote leg pressing device's teaching efficiency and availability factor.

Description

Leg pressing equipment is used in adjustable sports teaching

Technical Field

The utility model belongs to the technical field of sport equipment, concretely relates to leg pressing equipment is used in adjustable sports teaching.

Background

The leg pressing is a warm-up lacing wire, a propeller for smooth movement and a protective cover for avoiding injury. Leg pressing is the basic work of martial arts. Leg pressing can protect skeletal muscle, effectively prevents the sick and wounded, and in sports teaching, leg pressing is an indispensable subject, and traditional gymnasium equipment or outdoor teaching all can't satisfy leg pressing teaching, consequently need use leg pressing apparatus.

The height of the leg pressing instrument needs to be adjusted according to the age difference of teaching crowds, and the traditional adjustable leg pressing equipment for physical education has large floor area and is not easy to disassemble and contract, so that the leg pressing equipment is not easy to store and transport; meanwhile, the length of the existing leg pressing equipment is not easy to adjust according to different teaching people numbers, and when the number of the teaching people is large, the teaching efficiency and the service efficiency are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable leg pressing equipment for sports teaching to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the adjustable leg pressing equipment for physical education comprises a lifting main body, a base and lifting rods, wherein the base and the lifting rods form the lifting main body, two groups of lifting main bodies are arranged, a leg pressing mechanism is arranged between the two groups of lifting main bodies, universal wheels are mounted at four corners of the bottom end face of the base, a storage box is welded on one side of the top end face of the base, the lifting rods are arranged on the other side of the top end face of the base, fixed plates are welded at the bottoms of two symmetrical side faces of the lifting rods, first bolts are arranged at the tops of the two groups of fixed plates, and the two groups of first bolts penetrate through the fixed plates and are in threaded connection with the;

the lifting rod is back to the groove formed in one side face of the adjacent storage box, a lead screw is vertically arranged in the groove, a motor for driving the lead screw to rotate is installed on the top end face of the lifting rod, a lifting block is sleeved on the lead screw in a threaded manner, and a fixing mechanism for fixing the leg pressing mechanism is arranged at one end, far away from the lead screw, of the lifting block.

Preferably, the leg pressing mechanism comprises a plurality of groups of pressing rods and a threaded rod, the threaded rod is coaxially welded on the end face of one side of each pressing rod, a screw hole matched with the threaded rod is formed in the end face of the other side of each pressing rod, and the pressing rods are sleeved with sponge sleeves.

Preferably, both ends of the screw rod are inserted into the inner wall of the groove and are rotatably connected with the lifting rod through bearings, and a crankshaft of the motor is coaxially and fixedly connected with one end of the screw rod.

Preferably, the fixing mechanism comprises two groups of clamping blocks and a second bolt, the clamping blocks are in arc shapes and are symmetrically arranged, one end of each clamping block is hinged to the lifting block, one end of each clamping block is welded to the lifting block, and the second bolt penetrates through the other ends of the two groups of clamping blocks and is sleeved with a nut in a threaded mode.

Preferably, the anti-skid pads are bonded on the opposite side surfaces of the two groups of the clamping blocks.

Preferably, one side of the top end surface of the storage box is hinged with a top cover through a hinge.

The utility model discloses a technological effect and advantage: the adjustable leg pressing equipment for physical education comprises two groups of lifting main bodies, fixing plates are welded on two sides of a lifting rod, first bolts in threaded connection with a base are arranged on the fixing plates, the lifting rod can be detached by rotating the first bolts, a lifting block is sleeved with a lead screw on the lifting rod, two groups of clamping blocks and second bolts are mounted on the lifting block, a leg pressing mechanism can be detached by rotating the second bolts, the leg pressing equipment is easy to detach, meanwhile, the occupied area of a leg pressing device is reduced, and the leg pressing equipment is convenient to store and transport; the threaded rod is welded at one end of the pressing rod, the screw hole is formed in the other end of the pressing rod, the plurality of groups of pressing rods can be installed together through the screw hole and the threaded rod, the pressing rods with different lengths can be installed according to the number of teaching people, and the teaching efficiency and the using efficiency of the leg pressing device are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention showing the split structure of the fixture block;

fig. 3 is a schematic view of the structure of the pressing rod of the present invention.

In the figure: the lifting device comprises a lifting main body 1, a base 2, universal wheels 3, a first bolt 4, a fixing plate 5, a storage box 6, a lifting rod 7, a motor 8, a screw rod 9, a lifting block 10, a sponge sleeve 11, a clamping block 12, a non-slip mat 13, a second bolt 14, a nut 15, a compression bar 16, a threaded rod 17, a screw hole 18 and a top cover 19.

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 work belong to the protection scope of the present invention.

The utility model provides an adjustable leg pressing equipment for physical education as shown in figures 1-3, including lifting main body 1 and base 2 and lifter 7 that constitute lifting main body 1, lifting main body 1 is provided with two sets, and is provided with leg pressing mechanism between two sets of lifting main body 1, universal wheel 3 is all installed at bottom surface four corners department of base 2, and welding of top surface one side of base 2 has deposit the case 6, lifter 7 sets up the opposite side at base 2 top surface, and lifter 7 symmetrical both sides face bottom has all welded fixed plate 5, two sets of the top of fixed plate 5 all is provided with first bolt 4, two sets of first bolt 4 all pass fixed plate 5 threaded connection on base 2;

the lifting rod 7 is back to the vertical lead screw 9 that is provided with in the recess that has been opened to the side of adjacent case 6 of depositing, and installs on the top face of lifting rod 7 and drive lead screw 9 pivoted motor 8, the screw thread has cup jointed elevator 10 on the lead screw 9, the one end that the lead screw 9 was kept away from to elevator 10 is provided with the fixed establishment of fixed leg pressing mechanism, and the equal synchronous rotation of motor 8 on two sets of lift main parts 1.

Specifically, leg pressing mechanism includes multiunit depression bar 16 and threaded rod 17, threaded rod 17 coaxial welding is on one side terminal surface of depression bar 16, open on the other side terminal surface of depression bar 16 and have the screw 18 that coincide with threaded rod 17, wherein cup jointed sponge cover 11 on the depression bar 16, can splice multiunit depression bar together through threaded rod 17 and the screw 18 on the depression bar 16, and sponge cover 11 can promote the comfort level when using.

Specifically, both ends of the screw 9 are inserted into the inner wall of the groove and are rotatably connected with the lifting rod 7 through a bearing, a crankshaft of the motor 8 is coaxially and fixedly connected with one end of the screw 9, the screw 9 is driven to rotate through the motor 8, and therefore the lifting block 10 is driven to move.

Specifically, the fixing mechanism includes two sets of fixture blocks 12 and a second bolt 14, the fixture blocks 12 are arc-shaped and are symmetrically arranged, one set of the fixture blocks 12 is hinged to the lifting block 10, the other set of the fixture blocks 12 is welded to the lifting block 10, and the second bolt 14 penetrates through the other ends of the two sets of the fixture blocks 12 and is in threaded sleeve connection with a nut 15.

Specifically, the anti-slip pads 13 are adhered to the opposite side surfaces of the two sets of the clamping blocks 12, and the anti-slip pads 13 are installed on the clamping blocks 12, so that the clamping blocks can be fixed and fastened and are not easy to slip.

Specifically, a top cover 19 is hinged to one side of the top end face of the storage box 6 through a hinge, and the top cover 19 can prevent the pressure lever 16 from falling dust when being placed in the storage box for a long time.

The working principle of the adjustable leg pressing equipment for physical education teaching is that when the leg pressing equipment is used, the storage box 6 is opened through the top cover 19, the threaded rods 17 on one group of the pressing rods 16 are screwed into the threaded holes 18 of the other group of the pressing rods 16 according to the number of people to be taught, so that a plurality of groups of the pressing rods 16 are assembled into proper lengths, after two groups of lifting bodies 1 are pushed to proper positions, two ends of the pressing rods 16 are respectively inserted into the clamping blocks 12 on the two groups of the lifting bodies 1, the pressing rods 16 are fixed through the clamping blocks 12 by rotating the second bolts 14 and the nuts 15, the pressing rods 16 are adjusted to proper heights by opening the motor 8, when the leg pressing equipment is not used, the pressing rods 16 can be stored in the storage box, meanwhile, the lifting blocks 10 can be detached through the first bolts 4, the adjustable leg pressing equipment for physical education is easy to detach, the floor area of the leg pressing device is reduced, the, the teaching efficiency and the availability factor of leg pressing device have been promoted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an adjustable leg pressing equipment for sports teaching, includes lift main part (1) and base (2) and lifter (7) that constitute lift main part (1), its characterized in that: the lifting device is characterized in that two groups of lifting main bodies (1) are arranged, a leg pressing mechanism is arranged between the two groups of lifting main bodies (1), universal wheels (3) are mounted at four corners of the bottom end face of the base (2), a storage box (6) is welded at one side of the top end face of the base (2), the lifting rods (7) are arranged at the other side of the top end face of the base (2), fixed plates (5) are welded at the bottoms of two symmetrical side faces of the lifting rods (7), first bolts (4) are arranged at the tops of the two groups of fixed plates (5), and the two groups of first bolts (4) penetrate through the fixed plates (5) and are in threaded connection with the base (2);

the lifting rod (7) is back to the groove formed in the side face of the adjacent storage box (6) and is vertically provided with a lead screw (9), a motor (8) for driving the lead screw (9) to rotate is installed on the top end face of the lifting rod (7), a lifting block (10) is sleeved on the lead screw (9) in a threaded mode, and a fixing mechanism for fixing the leg pressing mechanism is arranged at one end, far away from the lead screw (9), of the lifting block (10).

2. The adjustable leg pressing device for physical education as claimed in claim 1, wherein: the leg pressing mechanism comprises a plurality of groups of pressing rods (16) and a threaded rod (17), the threaded rod (17) is coaxially welded on the end face of one side of each pressing rod (16), a screw hole (18) matched with the threaded rod (17) is formed in the end face of the other side of each pressing rod (16), and the pressing rods (16) are sleeved with sponge sleeves (11).

3. The adjustable leg pressing device for physical education as claimed in claim 1, wherein: the two ends of the lead screw (9) are inserted into the inner wall of the groove and are rotatably connected with the lifting rod (7) through bearings, and a crankshaft of the motor (8) is coaxially and fixedly connected with one end of the lead screw (9).

4. The adjustable leg pressing device for physical education as claimed in claim 1, wherein: the fixing mechanism comprises clamping blocks (12) and second bolts (14), the clamping blocks (12) are two groups, the two groups are symmetrically arranged in an arc shape, one end of each clamping block (12) is hinged to the lifting block (10), one end of each clamping block (12) is welded to the lifting block (10), and the second bolts (14) penetrate through the other ends of the two groups of clamping blocks (12) and are sleeved with nuts (15) in a threaded mode.

5. The adjustable leg pressing device for physical education as claimed in claim 4, wherein: and anti-skid pads (13) are adhered to the opposite side surfaces of the two groups of the clamping blocks (12).

6. The adjustable leg pressing device for physical education as claimed in claim 1, wherein: one side of the top end surface of the storage box (6) is hinged with a top cover (19) through a hinge.