CN216395136U

CN216395136U - Special sports body-building stretcher of student

Info

Publication number: CN216395136U
Application number: CN202122739688.3U
Authority: CN
Inventors: 程才华
Original assignee: Pingxiang University
Current assignee: Pingxiang University
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-04-29
Anticipated expiration: 2031-11-10

Abstract

The utility model belongs to the technical field of sports fitness equipment, and particularly relates to a special sports fitness stretcher for students, which aims at solving the problem that most of the existing horizontal bars are fixed outdoors and are not beneficial to students to exercise at home The split is favorable for storage or transportation and is favorable for household use of students.

Description

Special sports body-building stretcher of student

Technical Field

The utility model relates to the technical field of sports fitness equipment, in particular to a special sports fitness stretcher for students.

Background

The sports fitness equipment is various, wherein the horizontal bar is the common sports fitness equipment, and under the action of gravity, the horizontal bar is hung to help the body to stretch, so that the flexibility of the body is enhanced.

The existing horizontal bar is mostly fixed outdoors and is not beneficial to students to exercise at home, so that a special physical fitness stretcher for students is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect that most horizontal bars are fixed outdoors and are not beneficial to students to exercise at home, and provides a physical fitness stretcher special for students.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a special physical fitness stretcher for students comprises two supporting bottom plates, notches are formed in the bottoms of the two supporting bottom plates, two extension plates are slidably mounted in the notches, telescopic mechanisms are arranged in the notches, thread grooves are formed in the tops of the two supporting bottom plates, supporting columns are threadedly mounted in the thread grooves, the top portions of the two supporting columns are provided with a same grabbing rod, transmission mechanisms are arranged in the thread grooves, slots are formed in the top portions of the two supporting columns, inserting blocks are clamped in the slots, the top portions of the two inserting blocks are fixedly connected with the grabbing rod, locking bolts are threadedly connected to the outer sides of the two supporting columns, threaded connecting grooves are formed in one sides of the two inserting blocks, the two locking bolts are threadedly connected with the two threaded connecting grooves respectively, the transmission mechanisms comprise transmission plates located in the thread grooves, the top portions of the transmission plates are in contact with the bottoms of the supporting columns, the bottom fixed mounting of driving plate has the one end of spring, and the other end of spring and the bottom inner wall fixed connection of thread groove have seted up the rectangular hole on the bottom inner wall of thread groove, and slidable mounting has the lifter plate in the rectangular hole, the top of lifter plate and the bottom fixed connection of driving plate.

Preferably, telescopic machanism includes two screws, and the screw thread of two screws is turned to opposite, two screws respectively with two extension board threaded connection, the one end fixed mounting of two screws has same gear.

Preferably, the outer sides of the two screw rods are fixedly sleeved with the inner rings of the bearings, the outer sides of the two bearings are fixedly provided with one end of the same cross rod, and the other end of the cross rod is fixedly connected with the inner wall of one side of the notch.

Preferably, two limiting grooves are formed in the inner wall of one side of each notch, limiting blocks are arranged in the four limiting grooves in a sliding mode, and one side of each limiting block is fixedly connected with one side of each extending plate.

Preferably, racks are fixedly mounted at the bottoms of the two lifting plates, and the two racks are respectively meshed with the two gears.

Compared with the prior art, the utility model has the advantages that:

(1) when the scheme is used, the two support columns are installed in the two thread grooves in a threaded manner, and the four extension plates extend outwards, so that the support area is increased, and the use stability is improved;

(2) when the support is not used, the two locking bolts are screwed off, the two insertion blocks are separated from the two insertion grooves, the support columns are separated from the thread grooves, the four extension plates are retracted, the support bottom plate, the support columns and the grabbing rods are disassembled, and storage or transportation is facilitated;

the utility model is convenient for assembly and disassembly, is beneficial to storage or transportation and is beneficial to household use of students.

Drawings

FIG. 1 is a schematic structural diagram of a student-specific physical fitness stretcher according to the present invention;

FIG. 2 is a schematic view of a front cross-sectional structure of a student-specific physical fitness stretcher according to the present invention;

FIG. 3 is a schematic top view of the connection of the support base plate, the extension plate and the screw rod of the student-specific physical fitness stretcher according to the present invention;

FIG. 4 is a schematic top view of the connection between the support base and the extension plate of the student-specific physical fitness stretcher according to the present invention;

fig. 5 is an enlarged schematic structural view of a portion a in fig. 2 of the student-specific physical fitness stretcher according to the present invention.

In the figure: 1. a support base plate; 2. a recess; 3. an extension plate; 4. a thread groove; 5. a support pillar; 6. a grab bar; 7. inserting a block; 8. locking the bolt; 9. a screw; 10. a gear; 11. a lifting plate; 12. a rack; 13. a drive plate; 14. a spring; 15. a slot; 16. a limiting block; 17. a limiting groove; 18. and a bearing.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Referring to fig. 1-5, a special student's sports body-building stretcher, including two supporting baseplate 1, notch 2 has all been seted up to two supporting baseplate 1's bottom, equal slidable mounting has two extension board 3 in two notch 2, all be equipped with telescopic machanism in two notch 2, thread groove 4 has all been seted up at two supporting baseplate 1's top, equal threaded mounting has support column 5 in two thread groove 4, same grab bar 6 is installed at the top of two support column 5, all be equipped with drive mechanism in two thread groove 4, slot 15 has all been seted up at the top of two support column 5, all clamped inserted block 7 in two slot 15, the top of two inserted block 7 all with grab bar 6 fixed connection, the equal threaded connection in the outside of two support column 5 has locking bolt 8, the threaded connection groove has all been seted up to one side of two inserted block 7, two locking bolt 8 respectively with two threaded connection groove threaded connection.

Concretely, grab bar 6 and be used for the student to hold in hand to hoist the body, stretch the exercise, extension plate 3 can stretch out and draw back, can increase the support area when stretching out, during the shrink, reduces occupation space.

In this embodiment, the telescopic mechanism includes two screws 9, and the screw thread turning directions of two screws 9 are opposite, and two screws 9 are respectively with two extension board 3 threaded connection, and one end fixed mounting of two screws 9 has same gear 10.

Specifically, the two screws 9 can be driven to rotate by the rotation of the gear 10, so that the extension plates 3 in threaded connection with the two screws 9 move towards each other.

In this embodiment, the outer sides of the two screws 9 are all fixedly sleeved with the inner rings of the bearings 18, the outer sides of the two bearings 18 are fixedly provided with one end of the same cross rod, the other end of the cross rod is fixedly connected with the inner wall of one side of the notch 2, and the bearings 18 and the cross rod are arranged to enable the screws 9 to stably rotate.

In this embodiment, two limiting grooves 17 have all been seted up on one side inner wall of two notches 2, and equal slidable mounting has stopper 16 in four limiting grooves 17, and one side of four stoppers 16 respectively with one side fixed connection of four extension boards 3.

The distance that the extension plate 3 moves can be limited by the arrangement of the limiting block 16 and the limiting groove 17.

In this embodiment, drive mechanism is including being located the driving plate 13 of thread groove 4, and the top of driving plate 13 contacts with the bottom of support column 5, and the bottom fixed mounting of driving plate 13 has the one end of spring 14, and the other end of spring 14 and the bottom inner wall fixed connection of thread groove 4 have seted up the rectangular hole on the bottom inner wall of thread groove 4, and slidable mounting has lifter plate 11 in the rectangular hole, the top of lifter plate 11 and the bottom fixed connection of driving plate 13.

Specifically, when the supporting column 5 is installed in the thread groove 4, the driving plate 13 is pressed, the driving plate 13 presses the spring 14, and when the supporting column 5 is separated from the thread groove 4, the driving plate 13 is reset upwards through the spring 14.

In this embodiment, racks 12 are fixedly mounted at the bottoms of the two lifting plates 11, the two racks 12 are respectively engaged with the two gears 10, and the gears 10 are rotated by the movement of the racks 12.

In the embodiment, when in use, two supporting columns 5 are installed in two thread grooves 4 in a threaded manner, two driving plates 13 are pressed by the two supporting columns 5 entering the two thread grooves 4 to move downwards, the two driving plates 13 extrude two springs 14 and drive two lifting plates 11 to move downwards, the two lifting plates 11 drive two racks 12 to move downwards, the two racks 12 drive two gears 10 to rotate, the two gears 10 drive four screws 9 to rotate, because the thread directions of the two screws 9 on the same supporting base plate 1 are opposite, the four extending plates 3 extend outwards (as shown in figure 1), the supporting area is increased, the use stability is improved, finally, the two inserting blocks 7 are inserted into the two inserting grooves 15, the two locking bolts 8 are connected and fixed with the thread connecting grooves on the two inserting blocks 7, the assembly is further completed, the use by students at home is convenient, and when the device is not in use, two locking bolts 8 are screwed off, the grabbing rod 6 is pulled upwards, two inserting blocks 7 are separated from two inserting grooves 15, then two supporting columns 5 are rotated reversely, the supporting columns 5 are separated from the thread grooves 4, two springs 14 reset to enable two driving plates 13 to move upwards, four extension plates 3 retract, the supporting bottom plate 1, the supporting columns 5 and the grabbing rod 6 are disassembled, and storage or transportation is facilitated.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A special physical fitness stretcher for students comprises two supporting bottom plates (1) and is characterized in that notches (2) are formed in the bottoms of the two supporting bottom plates (1), two extension plates (3) are slidably mounted in the two notches (2), telescopic mechanisms are arranged in the two notches (2), thread grooves (4) are formed in the tops of the two supporting bottom plates (1), supporting columns (5) are arranged in the two thread grooves (4) in a threaded manner, the same grabbing rod (6) is mounted at the tops of the two supporting columns (5), transmission mechanisms are arranged in the two thread grooves (4), slots (15) are formed in the tops of the two supporting columns (5), inserting blocks (7) are clamped in the two slots (15), the tops of the two inserting blocks (7) are fixedly connected with the grabbing rod (6), and locking bolts (8) are in threaded connection with the outer sides of the two supporting columns (5), threaded connection grooves are formed in one sides of the two insertion blocks (7), and the two locking bolts (8) are in threaded connection with the two threaded connection grooves respectively.

2. The student-specific physical fitness stretcher according to claim 1, wherein the telescopic mechanism comprises two screws (9), the screw thread directions of the two screws (9) are opposite, the two screws (9) are respectively in threaded connection with the two elongation plates (3), and one end of each screw (9) is fixedly provided with the same gear (10).

3. The physical fitness stretcher special for students according to claim 2, wherein the outer sides of the two screw rods (9) are fixedly sleeved with the inner rings of the bearings (18), one end of the same cross rod is fixedly installed on the outer sides of the two bearings (18), and the other end of the cross rod is fixedly connected with the inner wall of one side of the notch (2).

4. The special physical fitness stretcher for students according to claim 1, wherein two limiting grooves (17) are formed in the inner wall of one side of each of the two notches (2), limiting blocks (16) are slidably mounted in the four limiting grooves (17), and one side of each of the four limiting blocks (16) is fixedly connected with one side of each of the four elongated plates (3).

5. The student-specific physical fitness stretcher according to claim 1, wherein the transmission mechanism comprises a transmission plate (13) located in the threaded groove (4), the top of the transmission plate (13) is in contact with the bottom of the support column (5), one end of a spring (14) is fixedly mounted at the bottom of the transmission plate (13), the other end of the spring (14) is fixedly connected with the inner wall of the bottom of the threaded groove (4), a rectangular hole is formed in the inner wall of the bottom of the threaded groove (4), a lifting plate (11) is slidably mounted in the rectangular hole, and the top of the lifting plate (11) is fixedly connected with the bottom of the transmission plate (13).

6. A student-specific sports fitness stretcher according to claim 5, characterized in that racks (12) are fixedly mounted at the bottoms of the two lifting plates (11), and the two racks (12) are respectively engaged with the two gears (10).