CN211024986U

CN211024986U - Sit-up ware is used in colleges and universities' sports teaching

Info

Publication number: CN211024986U
Application number: CN201921802274.7U
Authority: CN
Inventors: 武琎
Original assignee: Gansu Construction Vocational Technical College
Current assignee: Gansu Construction Vocational Technical College
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-17
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a sit-up device for college sports teaching in the technical field of sports equipment, which comprises a fixed plate, wherein the fixed plate comprises a shell, two groups of struts are welded on the front and back end surfaces of the right side of the top of the shell, the top of each of the four groups of struts is provided with a back plate, the middle part of the left side of the top of the shell is transversely penetrated and provided with a groove, an adjusting slide plate is arranged in an inner cavity of the shell, the adjusting slide plate comprises a flat plate, slide bars are arranged on the front and back end surfaces of the flat plate, transverse chutes are arranged on the front and back sides of the inner cavity of the shell, matched slide bars are arranged in the inner cavities of the chutes, a telescopic sub-rod is connected on the top of the flat plate, the outer wall of the telescopic sub-rod is jointed and connected with a telescopic female rod, the telescopic sub-rod comprises, adjust the slide through the fixed plate inner chamber matching and adjust the sit up equipment to the foot-hooking frame on the horizontal direction.

Description

Sit-up ware is used in colleges and universities' sports teaching

Technical Field

The utility model relates to a sport equipment technical field specifically is a sit up ware is used in colleges and universities' sports teaching.

Background

Sit-up, a way to exercise the body, lie on the back, close the legs, lift the hands upward, contract with the abdominal muscles, swing the arms forward, quickly get a sitting position, continue bending the upper body forward, touch the foot surface with the hands, lower the head; then the sitting posture is restored, the operation is continuously carried out, and the sit-up device is an important physical apparatus in the physical education in the general colleges and universities.

However, the sit up ware that vast colleges and universities used at present still is the traditional sit up ware through simple structure that the service creeper and support welding become, still can not be to the college students of different heights weight debug the sit up ware simply, use the sports equipment of unsuitable student's type for a long time like this to take exercise probably to students' healthy growth harmful, this sit up ware is through drawing and vertical lift adjustment the equipment to reach the best effect to carrying out the sit up exercise.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sit up ware is used in colleges and universities' 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: a sit-up device for college physical education comprises a fixed plate, wherein the fixed plate comprises a shell, two groups of struts are welded on the front end surface and the rear end surface of the right side of the top of the shell, four groups of struts are arranged on the top of the four groups of struts, a groove is transversely arranged in the middle of the left side of the top of the shell in a penetrating manner, four groups of fixing holes are arranged on the upper end surface and the lower end surface of the four corners of the shell in a penetrating manner, screw holes I are uniformly arranged on the front side and the rear side of the shell around the groove, an adjusting sliding plate is arranged in an inner cavity of the shell and comprises a flat plate, sliding rods are arranged on the front end surface and the rear end surface of the flat plate, transverse sliding grooves are arranged on the front side and the rear side of the inner cavity of the shell, matched sliding rods are arranged in two, just flexible son pole extends fluting inner chamber to the flexible female pole inner chamber of matching, flexible son pole includes the body of rod, the terminal surface all is connected with the draw runner around the body of rod, body of rod right-hand member face runs through and is provided with screw two, just screw two runs through the screw phase-match that sets up with flexible female pole right side, the side all is provided with the spout that matches with two sets of draw runners around the flexible female pole inner chamber, and is two sets of the spout inner chamber is provided with the draw runner of matching, just screw on the flexible female pole, the two inner chambers of screw on the flexible son pole all peg graft and are provided with the screw swing joint that matches, terminal surface top all is provided with around the flexible female pole colludes the.

Preferably, the two groups of the struts close to one side of the telescopic sub-rod are different from the two groups of the struts far away from one side of the telescopic sub-rod in height, and the two groups of the struts close to one side of the telescopic sub-rod are higher than the two groups of the struts far away from one side of the telescopic sub-rod.

Preferably, the bottom of the telescopic sub-rod is provided with a threaded hole matched with the mounting hole, the inner cavity of the mounting hole is provided with threads, and the mounting hole and the inner cavity of the threaded hole at the bottom of the telescopic sub-rod are all provided with matched screws in an inserting manner to be movably connected.

Preferably, the top of the back plate is provided with a non-slip mat in an adhesive manner.

Preferably, the bottom of the fixing plate is provided with a non-slip mat in an adhesive manner, a bolt hole matched with the first screw hole in the fixing plate is formed in the ground, and the first screw hole is movably connected with a matched screw in an inserting manner in an inner cavity of the bolt hole in the ground.

Compared with the prior art, the beneficial effects of the utility model are that: the sit-up device is sleeved by the telescopic female rod and the telescopic male rod, so that the foot hooking frame can be vertically adjusted up and down, after the relative height between the telescopic male rod and the telescopic female rod is adjusted, the screw which is inserted and matched with the inner cavity of the bolt hole which is arranged on the right side of the telescopic male rod and the telescopic female rod in a penetrating way is movably screwed, and after physical education is finished, the screw of the inner cavity of the screw hole of the telescopic female rod and the telescopic male rod is unscrewed to be adjusted to the required height;

in the horizontal direction, the adjusting sliding plate arranged in the inner cavity of the fixing plate moves transversely, so that a telescopic female rod, a telescopic male rod and a foot hooking frame at the top of the adjusting sliding plate are driven to move transversely, and the inner cavities of the fixing hole and the mounting hole are movably screwed or unscrewed through screws matched with splicing, so that the effect of fixing or adjusting the adjusting sliding plate after transverse adjustment in the inner cavity of the fixing plate is achieved;

this sit up ware carries out the regulation to the vertical side of this equipment through flexible son pole, flexible mother's pole, adjusts to colluding foot rest ground on the horizontal direction to this sit up equipment through the regulation slide that the fixed plate inner chamber matches, and four groups pillars of fixed plate top welded are used for supporting the backplate.

Drawings

Fig. 1 is a schematic structural view of the sit-up device of the present invention;

FIG. 2 is a top view of the sit-up device of the present invention;

FIG. 3 is a schematic view of the structure of the telescopic sub-rod of the present invention;

FIG. 4 is a top view of the structure of the adjusting slide plate of the present invention;

fig. 5 is a side view of the structure of the adjusting slide plate of the present invention.

In the figure: 1. a fixing plate; 11. a housing; 12. a fixing hole; 13. a first screw hole; 14. grooving; 2. a telescopic sub-rod; 21. a rod body; 22. a slide bar; 23. a second screw hole; 3. a telescopic female rod; 4. a foot hooking frame; 5. adjusting the sliding plate; 51. a flat plate; 52. mounting holes; 53. a slide bar; 6. a pillar; 7. a back plate.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a sit-up device for college physical education comprises a fixing plate 1, wherein the fixing plate 1 comprises a shell 11, two groups of struts 6 are welded on the front end face and the rear end face of the right side of the top of the shell 11, a back plate 7 is arranged on the top of each group of struts 6, a groove 14 is transversely arranged in the middle of the left side of the top of the shell 11 in a penetrating manner, four groups of fixing holes 12 are arranged on the upper end face and the lower end face of the four corners of the shell 11 in a penetrating manner, screw holes 13 are uniformly arranged on the front side and the rear side of the shell 11 around the groove 14, an adjusting sliding plate 5 is arranged in an inner cavity of the shell 11, the adjusting sliding plate 5 comprises a flat plate 51, sliding rods 53 are arranged on the front end face and the rear end face of the flat plate 51, transverse sliding grooves are arranged on the front side and the rear side of the inner cavity of the shell 11, matched, the telescopic sub-rod 2 extends out of the inner cavity of the slot 14 to the inner cavity of the matched telescopic female rod 3, the telescopic sub-rod 2 comprises a rod body 21, the front end surface and the rear end surface of the rod body 21 are both connected with sliding strips 22, the right end surface of the rod body 21 is provided with a screw hole two 23 in a penetrating way, the screw hole two 23 is matched with a screw hole arranged on the right side of the telescopic female rod 3 in a penetrating way, the front side and the rear side of the inner cavity of the telescopic female rod 3 are both provided with sliding grooves matched with the two groups of sliding strips 22, the inner cavities of the two groups of sliding grooves are provided with matched sliding strips 22, the screw hole on the telescopic female rod 3 and the inner cavity of the screw hole two 23 on the telescopic sub-rod 2 are both inserted and provided with matched screws for movable connection, the top of the front end surface and the rear end surface of the telescopic female rod 3 is provided with a foot hooking frame 4, the sit-up device is adjusted in the, four sets of support posts 6 welded to the top of the fixed plate 1 support a back plate 7.

Referring to fig. 1-4, the two sets of support posts 6 near the telescopic sub-rod 2 are different from the two sets of support posts 6 far from the telescopic sub-rod 2, and the two groups of support posts 6 at one side close to the telescopic sub-rod 2 are higher than the two groups of support posts 6 at one side far away from the telescopic sub-rod 2, the sit-up device is sleeved by a telescopic female rod 3 and a telescopic secondary rod 2, so that a foot hooking frame 4 can be vertically adjusted, the front side and the rear side of the inner cavity of the telescopic female rod 3 are provided with sliding grooves matched with a sliding strip 22, the inner cavities of the two groups of sliding chutes are provided with matched sliding strips 22, the sliding strips 22 are arranged in the matched inner cavities of the sliding chutes, when the slide bar 22 moves vertically up and down, the two groups of slide grooves have the function of limiting the slide bar 22 in the inner cavity, the slide bar 22 can accurately move vertically up and down, so that the accuracy of vertical movement between the telescopic female rod 3 and the telescopic sub-rod 2 is ensured.

Please refer to fig. 4, fig. 5, the bottom of the telescopic sub-rod 2 is provided with a threaded hole matching with the mounting hole 52, and the inner cavity of the mounting hole 52 is provided with threads, the mounting hole 52 and the inner cavity of the threaded hole at the bottom of the telescopic sub-rod 2 are all inserted with matched screws for movable connection, after the relative height between the telescopic sub-rod 2 and the telescopic main rod 3 is adjusted, the screws inserted with matched screws through the inner cavities of the bolt holes penetrating through the two right sides can be movably screwed, after the physical education is finished, the screws of the telescopic main rod 3 and the inner cavity of the threaded hole of the telescopic sub-rod 2 are unscrewed to be adjusted to the required height, so as to adjust the sit-up device in the vertical direction.

Referring to fig. 1, the top of the back plate 7 is glued with a non-slip mat, and the non-slip mat moves horizontally through the adjusting slide plate 5 arranged in the inner cavity of the fixing plate 1, thereby driving the telescopic main rod 3, the telescopic sub rod 2 and the foot hooking frame 4 at the top of the adjusting sliding plate 5 to perform transverse adjusting movement, the adjusting sliding plate 5 comprises a flat plate 51, sliding rods 53 are respectively arranged on the front end surface and the rear end surface of the flat plate 51, the front side and the rear side of the inner cavity of the fixed plate 1 are both provided with a transverse sliding chute matched with the sliding rod 53, the inner cavity of the transverse sliding chute is provided with a matched sliding rod 53, a transverse slot 14 is arranged on the upper end surface of the fixed plate 1 in a penetrating way, so that the flat plate 51 can drive the telescopic sub-rod 2 to move, the telescopic sub-rod 2 passes through the inner cavity of the slot 14 and is inserted into the inner cavity of the matched telescopic main rod 3, the casing 11 is provided with fixing holes 12 uniformly penetrating the front and rear sides of the slot 14, and the upper and lower end faces of the flat plate 51 are provided with mounting holes 52 matching with the fixing holes 12.

Please refer to fig. 1 and 2, the bottom of the fixing plate 1 is provided with an anti-slip mat by gluing, the ground is provided with bolt holes matched with the first screw holes 13 on the fixing plate 1, the first screw holes 13 are movably connected with the inner cavity of the bolt holes on the ground by inserting, the inner cavities of the fixing holes 12 and the mounting holes 52 are movably screwed or unscrewed by the screws matched with the inserting, so as to fix or adjust the adjusting slide plate 5 which is transversely adjusted in the inner cavity of the fixing plate 1, the sit-up device adjusts the sit-up device in the vertical direction by the telescopic sub-rods 2 and the telescopic main rods 3, the adjusting slide plate 5 matched with the inner cavity of the fixing plate 1 adjusts the sit-up device in the horizontal direction by the foot hooking frames 4, and four groups of pillars 6 welded on the top of the fixing plate 1 are used for supporting the back plate 7.

The working principle is as follows: the sit-up device is sleeved by a telescopic female rod 3 and a telescopic secondary rod 2, so that a foot hooking frame 4 can be vertically adjusted up and down, the front side and the rear side of the inner cavity of the telescopic female rod 3 are respectively provided with a sliding groove matched with the sliding strip 22, the inner cavities of the two groups of sliding grooves are provided with the matched sliding strips 22, the sliding strips 22 are arranged in the matched inner cavities of the sliding grooves, when the sliding strips 22 vertically move up and down, the two groups of sliding grooves have a limiting effect on the sliding strips 22 in the inner cavities of the sliding strips, so that the sliding strips 22 can accurately vertically move up and down, the vertical movement between the telescopic female rod 3 and the telescopic secondary rod 2 is ensured to be accurate, meanwhile, after the relative height between the telescopic secondary rod 2 and the telescopic female rod 3 is adjusted, the telescopic secondary rod is movably screwed up by inserting and matching screws in bolt hole inner cavities arranged on the right sides of the two groups, after sports teaching, the screws of the telescopic female rod 3 and the telescopic secondary rod 2 in screw hole inner cavities, the sit-up device is adjusted in the vertical direction, and the adjusting sliding plate 5 arranged in the inner cavity of the fixing plate 1 moves transversely in the horizontal direction, so as to drive the telescopic female rod 3, the telescopic male rod 2 and the foot hooking frame 4 at the top of the adjusting sliding plate 5 to move transversely, specifically, the adjusting sliding plate 5 comprises a flat plate 51, slide rods 53 are arranged on the front end surface and the rear end surface of the flat plate 51, transverse sliding grooves matched with the slide rods 53 are arranged on the front side and the rear side of the inner cavity of the fixing plate 1, the inner cavity of the transverse sliding grooves is provided with the matched slide rods 53, a transverse slot 14 is arranged on the upper end surface of the fixing plate 1 in a penetrating manner, so that the flat plate 51 can drive the telescopic male rod 2 to move, the telescopic male rod 2 is inserted into the inner cavity of the matched telescopic female rod 3 through the inner cavity of the slot 14, the shell 11 is uniformly provided with fixing holes 12 through the front side and the rear side, the fixed orifices 12, the screw activity that the 52 inner chambers of mounting hole match through pegging graft is screwed up or is unscrewed, reach and fix or the regulating action to the regulation slide 5 that finishes carrying out the horizontal adjustment at 1 inner chamber of fixed plate, this sit up ware is through flexible son pole 2, flexible mother's pole 3 carries out the regulation to the vertical side of this equipment, the regulation slide 5 that matches through 1 inner chamber of fixed plate carries out to this sit up equipment to colluding foot rest 4 ground regulation on the horizontal direction, four group's pillars 6 of fixed plate 1 top welded are used for supporting backplate 7.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sit up ware is used in colleges and universities' sports teaching, includes fixed plate (1), its characterized in that: the fixing plate (1) comprises a shell (11), wherein two groups of pillars (6) are welded on the front end face and the rear end face of the right side of the top of the shell (11), the tops of four groups of pillars (6) are provided with a back plate (7), the middle part of the left side of the top of the shell (11) is transversely provided with a slot (14) in a penetrating manner, the upper end face and the lower end face of the four corners of the shell (11) are provided with four groups of fixing holes (12) in a penetrating manner, the shell (11) is uniformly provided with a screw hole I (13) in a penetrating manner around the front side and the rear side of the slot (14), an inner cavity of the shell (11) is provided with an adjusting sliding plate (5), the adjusting sliding plate (5) comprises a flat plate (51), the front end face and the rear end face of the flat plate (51) are provided with sliding rods (53, the mounting hole (52) is matched with the first screw hole (13), the top of the flat plate (51) is connected with a telescopic sub-rod (2), the outer wall of the telescopic sub-rod (2) is connected with a telescopic female rod (3) in a laminating manner, the telescopic sub-rod (2) extends out of a slotted (14) inner cavity to a matched telescopic female rod (3) inner cavity, the telescopic sub-rod (2) comprises a rod body (21), the front end surface and the rear end surface of the rod body (21) are respectively connected with a sliding strip (22), the right end surface of the rod body (21) is provided with a second screw hole (23) in a penetrating manner, the second screw hole (23) is matched with a screw hole in the right side of the telescopic female rod (3), the front side and the rear side of the inner cavity of the telescopic female rod (3) are respectively provided with sliding grooves matched with the two groups of sliding strips (22), the inner cavities of the two groups of sliding grooves are provided with matched sliding strips (22), and the screw holes in the telescopic female rod (, the top of the front end surface and the back end surface of the telescopic female rod (3) are provided with foot hooking frames (4).

2. The sit-up apparatus for college sports teaching of claim 1, wherein: be close to flexible sub-pole (2) one side two sets of pillar (6) with keep away from flexible sub-pole (2) one side two sets of pillar (6) height nonconformity, and be close to flexible sub-pole (2) one side two sets of pillar (6) be higher than keeping away from flexible sub-pole (2) one side two sets of pillar (6).

3. The sit-up apparatus for college sports teaching of claim 1, wherein: the bottom of the telescopic sub-rod (2) is provided with a threaded hole matched with the mounting hole (52), the inner cavity of the mounting hole (52) is provided with threads, and the mounting hole (52) and the inner cavity of the threaded hole at the bottom of the telescopic sub-rod (2) are all inserted and provided with matched screws for movable connection.

4. The sit-up apparatus for college sports teaching of claim 1, wherein: and the top of the back plate (7) is provided with an anti-slip pad in an adhesive manner.

5. The sit-up apparatus for college sports teaching of claim 1, wherein: the bottom of the fixing plate (1) is provided with a non-slip mat in an adhesive manner, a bolt hole matched with the first screw hole (13) in the fixing plate (1) is formed in the ground, and the first screw hole (13) is connected with the inner cavity of the bolt hole in the ground in an inserting manner to form a matched bolt movable connection.