CN210229005U - Many people are suitable for sports teaching and are used leg pressing device - Google Patents

Many people are suitable for sports teaching and are used leg pressing device Download PDF

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Publication number
CN210229005U
CN210229005U CN201920201831.3U CN201920201831U CN210229005U CN 210229005 U CN210229005 U CN 210229005U CN 201920201831 U CN201920201831 U CN 201920201831U CN 210229005 U CN210229005 U CN 210229005U
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support
support frame
rods
leg pressing
supporting
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CN201920201831.3U
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Chinese (zh)
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Jinchao Liu
刘金超
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刘金超
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Abstract

The utility model belongs to the technical field of student's apparatus technique and specifically relates to a leg pressing device is used in sports teaching that many people are suitable for, including support frame, screw rod and supporting sleeve, the screw rod is total four, support frame lateral wall lower part has the U-shaped pole in gear hole outside position rigid coupling, the hand wheel has been cup jointed on the U-shaped pole, and the rigid coupling has the annular rack on the hand wheel lateral wall, the rigid coupling has the atress gear on the screw rod, the support frame is equipped with logical groove above the hand wheel, the screw rod external screw thread has cup jointed a screw thread section of thick bamboo, screw thread section of thick bamboo lateral wall rigid coupling has L shape connecting rod and L shape connecting rod to wear out logical groove, the supporting sleeve rigid coupling has inserted the support. The utility model has the advantages of reasonable design, be equipped with four highly different support horizontal poles, can adjust the height that corresponding support horizontal pole was located through rotating the hand wheel, the student can be according to the support horizontal pole that self actual autonomic selection is fit for oneself height.

Description

Many people are suitable for sports teaching and are used leg pressing device
Technical Field
The utility model belongs to the technical field of student's apparatus technique and specifically relates to a leg pressing device is used in sports teaching that many people are suitable for.
Background
In order to meet the requirements of fitness education, schools nowadays organize students to perform physical training, wherein leg pressing is one of the common items of the physical training, and the leg pressing mainly exercises the flexibility of the lower limbs and the waist, and the flexibility is one of the components of physical fitness. At present common leg pressing device because of its altitude mixture control is inconvenient, can't satisfy the student training demand of different heights and different training stages, especially in school, a lot of students train together, and each student's height is different again, consequently can't satisfy many people's training demand. In order to solve the problem, in the chinese utility model patent with publication number CN207785793U, a leg pressing device for teaching is disclosed, which is provided with ABCD height rods with different heights at four positions, thereby satisfying the training requirements of users with different heights and training stages and improving the training efficiency. However, the device lacks a stable fixing structure, and the height rod is easily separated from the bayonet structure when the device is used by students for leg pressing, so that the device still needs to be further improved.
Disclosure of Invention
The utility model aims at overcoming above-mentioned technical shortcoming and providing a leg pressing device is used in sports teaching that many people are suitable for, be equipped with four high different support horizontal poles, can adjust the height that corresponding support horizontal pole was located through rotating the hand wheel, the student can be according to the support horizontal pole that self actual autonomic selection is fit for oneself height.
The utility model provides a technical scheme that technical problem adopted does: a leg pressing device for physical education suitable for multiple persons comprises a support frame, four screw rods and a support sleeve, wherein the support frame is in a cylindrical shape, four cavities are uniformly formed in the support frame, a base is fixedly connected to the lower end of the support frame, the four screw rods are four in number, the upper end and the lower end of each screw rod are fixedly connected to the center line of the cavity through bearings, gear holes are formed in the lower portion of the side wall of the support frame and are located on the outer side of each screw rod, U-shaped rods are fixedly connected to the outer sides of the gear holes, hand wheels are sleeved on the U-shaped rods, annular racks are fixedly connected to the side wall of each hand wheel, stress gears matched with the annular racks are fixedly connected to the lower portions of the screw rods, through grooves in a vertical and long strip shape are formed in the upper portions of the hand wheels of the support frame, threaded cylinders are sleeved with threaded cylinders, L, the support sleeve is internally inserted with a support cross rod, the lower end of the support cross rod is screwed with a fastening knob, the support cross rod is fixed in the support sleeve by the fastening knob and can provide support for pressing legs of a plurality of students with similar heights, the four support cross rods are staggered with each other and have different heights, a hand wheel is rotated, a stress gear is driven to rotate by an annular rack on the hand wheel, and a screw rod can be driven to rotate, so that a thread cylinder and an L-shaped connecting rod slide up and down along a through groove, the adjustment of the heights of the support cross rods in the support sleeve is further completed, the students can directly put legs on the support cross rods to press legs for training, the support sleeve is very stable under the self-locking action of threads between the thread cylinder and the screw rod, each support cross rod has a certain adjustment range due to the different heights of the four support cross rods, and the students can select the, and the height that every support horizontal pole was located all can be adjusted at the certain extent to adapt to the student demand of different grades, terminal surface rigid coupling has the support down tube towards the support frame slope under the support sleeve both sides, support the down tube and have the supporting shoe in orientation support frame one end rigid coupling, in order to play the reinforcement supporting role to the support sleeve.
Furthermore, rivets are screwed at four corners of the base, so that the base is tightly fixed on the ground, and the device is prevented from being turned on one side when in use.
Furthermore, the top end of the support frame is fixedly connected with an object placing plate which can be used for placing articles such as a water cup, a mobile phone and the like.
Furthermore, height indicating lines are carved on one side of the through groove of the supporting frame, so that the height of the current supporting sleeve is conveniently displayed.
The utility model discloses the beneficial effect who has is: the utility model has the advantages of reasonable design, drive atress gear revolve through annular rack on the hand wheel, can take the height that the regulation support horizontal pole was located, support the horizontal pole and can provide the support for the close multinomial student leg pressing of height, the student can directly take the leg to carry out the leg pressing training on supporting the horizontal pole, and the support sleeve receives the screw thread auto-lock between screw thread section of thick bamboo and screw rod and is very firm, and because four support horizontal poles highly all inequality for every support horizontal pole all has certain accommodation, and the student can be fit for oneself height support horizontal pole according to self actual autonomous selection, and every height that supports the horizontal pole and locate all can adjust in the certain extent, with the student demand that adapts to different grades, this utility model well support the horizontal pole and can dismantle, so that the installation and the adjustment of device.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic longitudinal section of the present invention.
Fig. 3 is a cross-sectional view of the lower part of the present invention.
Figure 4 is the structure of the hand wheel of the present invention.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 4.
As shown in figures 1-4, the utility model comprises a support frame 1, screws 3 and a support sleeve 10, wherein the support frame 1 is cylindrical and is uniformly provided with four cavities 1-3 inside, the lower end is fixedly connected with a base 2, the number of the screws 3 is four, the upper and lower ends of the four screws 3 are fixedly connected with the central line position of the cavities 1-3 through a bearing 4, the lower part of the side wall of the support frame 1 is provided with a gear hole 1-1 outside each screw 3, a U-shaped rod 5 is fixedly connected with the outer side position of the gear hole 1-1, the U-shaped rod 5 is sleeved with a hand wheel 6, the side wall of the hand wheel 6 is fixedly connected with an annular rack 6-1, the lower part of the screw 3 is fixedly connected with a stressed gear 7 matched with the annular rack 6-1, the support frame 1 is provided with a through groove 1-2 which is vertical and long strip above the hand wheel 6, the, 8 lateral wall rigid couplings of a screw section of thick bamboo have L shape connecting rod 9 and L shape connecting rod 9 to wear out logical groove 1-2, support sleeve 10 rigid coupling in L shape connecting rod 9 upper end, it has support horizontal pole 13 to peg graft in the support sleeve 10, and the lower extreme spiro union has fastening knob 16, supports horizontal pole 13 and relies on fastening knob 16 to be fixed in the support sleeve 10, can provide the support for the close multinomial student leg pressing of height, and four support horizontal poles 13 stagger each other, and it is all inequality in place, and the terminal surface rigid coupling has the support down tube 11 towards support frame 1 slope under the support sleeve 10 both sides, support down tube 11 has supporting shoe 12 in orientation support frame one end rigid coupling to play the reinforcement supporting role to support sleeve 10.
In this embodiment, rivets 17 are screwed at four corners of the base 2 so as to tightly fix the base 2 on the ground and prevent the device from turning over when in use.
In this embodiment, the top end of the supporting frame 1 is fixedly connected with a placing plate 14 for placing articles such as a water cup and a mobile phone.
In this embodiment, the supporting frame 1 is carved with a height indicating line 15 at one side of the through slot 1-2, so as to display the current height of the supporting sleeve 10.
Use the utility model discloses in the time, rotate hand wheel 6, drive atress gear 7 through annular rack 6-1 on the hand wheel 6 and rotate, can drive screw rod 3 and rotate, thereby make a screw thread section of thick bamboo 8 and L shape connecting rod 9 slide from top to bottom along logical groove 1-2, and then accomplish the regulation to the height that support horizontal pole 13 was located in support sleeve 10, the student can directly take the leg on supporting horizontal pole 13 and carry out the leg pressing training, support sleeve 10 receives the screw thread self-locking effect between a screw thread section of thick bamboo 8 and screw rod 3 very firm, because four support horizontal poles 13 highly all inequality, make every support horizontal pole 13 all have certain control range, the student can be according to the support horizontal pole 13 that self-independent selection was fit for oneself height of self oneself of self-reality, and every height that supports horizontal pole 13 and locate all can be adjusted in certain extent, in order to adapt to.

Claims (4)

1. The utility model provides a many people are suitable for sports teaching is with leg pressing device, includes support frame, screw rod and support sleeve, its characterized in that: the support frame is cylindrical, four cavities are uniformly arranged in the support frame, a base is fixedly connected to the lower end of the support frame, four screw rods are arranged, the upper ends and the lower ends of the four screw rods are fixedly connected to the central line of the cavities through bearings, gear holes are formed in the outer sides of the screw rods on the lower portion of the side wall of the support frame, U-shaped rods are fixedly connected to the outer sides of the gear holes, hand wheels are sleeved on the U-shaped rods, annular racks are fixedly connected to the side wall of the hand wheels, stress gears matched with the annular racks are fixedly connected to the lower portions of the screw rods, a vertical long-strip-shaped through groove is formed in the upper portion of each hand wheel of the support frame, threaded cylinders are sleeved on the external threads of the screw rods, L-shaped connecting rods are fixedly connected to the side wall of each threaded cylinder, the L-shaped connecting rods penetrate through, the lower end faces of two sides of the supporting sleeve are fixedly connected with supporting oblique rods inclining towards the supporting frame, and one ends of the supporting oblique rods, which face the supporting frame, are fixedly connected with supporting blocks.
2. The leg pressing device for multi-person sports teaching according to claim 1, wherein: rivets are screwed at four corners of the base.
3. The leg pressing device for multi-person sports teaching according to claim 1, wherein: the top end of the supporting frame is fixedly connected with an object placing plate.
4. The leg pressing device for multi-person sports teaching according to claim 1, wherein: height indicating lines are carved on one side of the through groove of the supporting frame.
CN201920201831.3U 2019-02-15 2019-02-15 Many people are suitable for sports teaching and are used leg pressing device Active CN210229005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920201831.3U CN210229005U (en) 2019-02-15 2019-02-15 Many people are suitable for sports teaching and are used leg pressing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920201831.3U CN210229005U (en) 2019-02-15 2019-02-15 Many people are suitable for sports teaching and are used leg pressing device

Publications (1)

Publication Number Publication Date
CN210229005U true CN210229005U (en) 2020-04-03

Family

ID=69961103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920201831.3U Active CN210229005U (en) 2019-02-15 2019-02-15 Many people are suitable for sports teaching and are used leg pressing device

Country Status (1)

Country Link
CN (1) CN210229005U (en)

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