CN110801605A

CN110801605A - Leg pressing frame with adjustable height

Info

Publication number: CN110801605A
Application number: CN201911310327.8A
Authority: CN
Inventors: 张琳
Original assignee: Shenyang Sport University
Current assignee: Shenyang Sport University
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-02-18

Abstract

The invention relates to the technical field of fitness equipment, in particular to a leg pressing frame with adjustable height, which solves the defects of unadjustable height, high production cost and poor exercise effect in the prior art and comprises symmetrically arranged support rods, wherein leg pressing rods are arranged on the support rods in a sliding manner, arc-shaped grooves distributed in an array manner are formed in the leg pressing rods, a holding rod is welded on one side of each support rod, an adjusting rod is rotatably arranged in each holding rod, the other end of each adjusting rod is fixedly connected with a worm through a nut bolt, the leg pressing frame comprises two support rods and leg pressing rods in sliding fit with the two support rods through the arrangement of structures of the support rods, the leg pressing rods are automatically locked by a self-locking mechanism after adjustment, the adjustment is convenient, and the use requirements of all personnel can be met only by installing one leg pressing rod, the production cost is greatly reduced, and the use by personnel is convenient.

Description

Leg pressing frame with adjustable height

Technical Field

The invention relates to the technical field of fitness equipment, in particular to a height-adjustable leg pressing frame.

Background

Gymnastics is a sports item, such as various bare-handed gymnastics, rhythm exercises, gymnastics and various self-resistance actions, and the gymnastics can enhance strength and flexibility, increase endurance, improve coordination and control the abilities of all parts of the body, thereby strengthening the body. Along with the improvement of living standard of people, people pay more and more attention to body building.

Leg pressing frame among the prior art comprises the whippletree of a plurality of heights, and manufacturing cost is high, and personnel can not adjust the height at will when using moreover, has certain limitation, can not reach better exercise effect.

Disclosure of Invention

The invention aims to solve the defects of unadjustable height, high production cost and poor exercise effect in the prior art, and provides a leg pressing frame with adjustable height.

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

a height-adjustable leg pressing frame comprises supporting rods which are symmetrically arranged, leg pressing rods are slidably arranged on the supporting rods, arc-shaped grooves distributed in an array mode are formed in the leg pressing rods, holding rods are welded on one sides of the supporting rods, adjusting rods are rotatably arranged inside the holding rods, the other ends of the adjusting rods are fixedly connected with worms through nuts and bolts, a transmission shaft is further rotatably installed on the front side of the supporting rods, worm gears and adjusting wheels are respectively sleeved outside the transmission shaft, the worm gears are meshed with the worms and connected, steel wire ropes are wound outside the adjusting wheels, and the other ends of the steel wire ropes are fixedly connected with one sides of the leg pressing rods;

the two ends of the leg pressing rod are provided with self-locking mechanisms, each self-locking mechanism comprises a stop lever, the stop levers are arranged inside the leg pressing rod in a sliding mode, and the end portions of the stop levers are arc-shaped.

Preferably, one side of the supporting rod is provided with tooth blocks which are of an integrated structure and distributed in an array manner.

Preferably, the leg pressing rod is provided with symmetrically arranged slotted holes, and the support rod is connected with the insides of the slotted holes in a sliding manner.

Preferably, the through-hole has all been seted up at the both ends of leg pressing pole, the through-hole with the inside of slotted hole is linked together, the pin embedding is in the inside of through-hole, and the outside cover of pin is equipped with the spring, and the tip of pin is provided with the stopper of a body structure, the both ends of spring pass through the buckle respectively with one side of stopper and the tip fixed connection of leg pressing pole.

Preferably, an inner groove is formed in the holding rod, the adjusting rod is embedded in the inner groove, a first bearing is installed on one side of the supporting rod, and the end portion of the worm is sleeved in the first bearing.

Preferably, the inner wall of the inner groove and the front side of the support rod are respectively fixed with a first support plate and a second support plate through screws, a second bearing and a third bearing are respectively installed inside the first support plate and the second support plate, and two ends of the transmission shaft are respectively sleeved inside the second bearing and the third bearing.

The invention has the beneficial effects that:

1. according to the leg pressing frame, the supporting rods, the leg pressing rods, the self-locking mechanism and the like are arranged, the leg pressing frame is composed of the two supporting rods and the leg pressing rods in sliding fit with the two supporting rods, personnel can conveniently adjust the height of the leg pressing rods, the leg pressing rods are automatically locked by the self-locking mechanism after adjustment, adjustment is convenient, the use requirements of all personnel can be met only by installing one leg pressing rod, the production cost is greatly reduced, and the use of the personnel is convenient.

2. According to the leg pressing device, through the arrangement of the structures such as the holding rod, the adjusting rod, the steel wire rope and the adjusting wheel, a person can hold the holding rod to keep the gravity center when pressing legs, meanwhile, the adjusting rod can be rotated to slowly adjust the height, the limit height of the leg pressing is gradually searched in the leg pressing process, and a good exercise effect can be achieved.

Drawings

FIG. 1 is a front view of a height adjustable leg rest according to the present invention;

FIG. 2 is an enlarged view of the leg pressing frame with adjustable height according to the present invention at the position marked with the number A;

fig. 3 is an enlarged view of the leg pressing frame with adjustable height according to the present invention at the position B.

In the figure: the device comprises a support rod 1, a leg pressing rod 2, an arc-shaped groove 3, a tooth block 4, a holding rod 5, an adjusting rod 6, a steel wire rope 7, a stop rod 8, a through hole 9, a limiting block 10, a spring 11, a slotted hole 12, a worm 13, a first support plate 14, a second support plate 15, a transmission shaft 16, an adjusting wheel 17, an inner groove 18 and a worm wheel 19.

Detailed Description

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

Referring to fig. 1-3, a height-adjustable leg pressing frame comprises symmetrically arranged support rods 1, wherein leg pressing rods 2 are slidably arranged on the support rods 1, arc-shaped grooves 3 distributed in an array manner are formed in the leg pressing rods 2, holding rods 5 are welded on one sides of the support rods 1, adjusting rods 6 are rotatably arranged in the holding rods 5, the other ends of the adjusting rods 6 are fixedly connected with worms 13 through nuts and bolts, transmission shafts 16 are rotatably arranged on the front sides of the support rods 1, worm wheels 19 and adjusting wheels 17 are respectively sleeved outside the transmission shafts 16, the worm wheels 19 are meshed with the worms 13, steel wire ropes 7 are wound outside the adjusting wheels 17, and the other ends of the steel wire ropes 7 are fixedly connected with one sides of the leg pressing rods 2; the two ends of the leg pressing rod 2 are provided with self-locking mechanisms, each self-locking mechanism comprises a stop rod 8, the stop rods 8 are arranged inside the leg pressing rod 2 in a sliding mode, the end portions of the stop rods 8 are arc-shaped, the leg pressing frame is composed of two support rods 1 and leg pressing rods 2 in sliding fit with the support rods 1 through the arrangement of the support rods 1, the leg pressing rods 2 and the self-locking mechanisms, the personnel can conveniently adjust the height of the leg pressing rods 2, the leg pressing rods 2 are automatically locked by the self-locking mechanisms after adjustment, the adjustment is convenient, the use requirements of all personnel can be met only by installing one leg pressing rod 2, the production cost is greatly reduced, the personnel can conveniently use the leg pressing frame, the personnel can grasp the holding rod 5 to keep the gravity center when pressing legs through the arrangement of the structures such as the holding rod 5, the adjusting rod 6 can be rotated to slowly adjust the height, the limit height of the leg pressing is gradually found in the leg pressing process, the exercise device has a good exercise effect, one side of the support rod 1 is provided with tooth blocks 4 which are of an integrated structure and distributed in an array manner, the leg pressing rod 2 is provided with symmetrically arranged slotted holes 12, the support rod 1 is connected with the slotted holes 12 in a sliding manner, both ends of the leg pressing rod 2 are provided with through holes 9, the through holes 9 are communicated with the insides of the slotted holes 12, the stop lever 8 is embedded in the through holes 9, the outside of the stop lever 8 is sleeved with a spring 11, the end part of the stop lever 8 is provided with a limit block 10 of an integrated structure, both ends of the spring 11 are respectively fixedly connected with one side of the limit block 10 and the end part of the leg pressing rod 2 through buckles, the holding rod 5 is internally provided with an inner groove 18, the adjusting rod 6 is embedded in the inner groove 18, one side of the support rod 1 is provided with a first bearing, the end part of the worm 13 is sleeved in the first bearing, the inner wall of the inner groove 18 and the front, a second bearing and a third bearing are respectively arranged inside the first supporting plate 14 and the second supporting plate 15, and two ends of the transmission shaft 16 are respectively sleeved inside the second bearing and the third bearing.

In the embodiment, when the leg pressing device is used, a user places an ankle part on the arc-shaped groove 3, the arc-shaped groove 3 is similar to the radian of an ankle, the comfortable feeling of the person is increased, the height of the leg pressing rod 2 can be adjusted according to the use requirements of different persons, when the leg pressing rod is adjusted downwards, the person pulls the stop levers 8 on two sides to enable the stop levers 8 to be retracted into the through hole 9, the tooth block 4 on one side of the supporting rod 1 does not block the stop lever 8 any more, the person can pull the leg pressing rod 2 to slide downwards to reduce the height of the leg pressing rod 2, the stop lever 8 is loosened after the adjustment is completed, the stop lever 8 is ejected into the groove hole 12 again under the pushing of the spring 11, and the tooth block 4 is stopped at the bottom of the stop lever 8 again to fix the height of the leg pressing rod 2;

further, when the height is adjusted upwards, the adjusting rod 6 is rotated, the adjusting rod 6 drives the worms 13 at the two ends to rotate, the worm wheel 19 drives the transmission shaft 16 and the adjusting wheel 17 to rotate through the driving of the worms 13, the adjusting wheels 17 at the two sides wind the steel wire rope 7, the steel wire rope 7 is used for pulling the leg pressing rod 2 to slide upwards, when the leg pressing rod 2 slides upwards, the end part of the stop lever 8 can automatically slide along the inclined plane of the tooth block 4, personnel do not need to pull the stop lever 8, the adjusting rod 6 is loosened after the adjustment is completed, the two ends of the leg pressing rod 2 are blocked by the tooth block 4, and the height is automatically fixed;

besides, when a person presses legs, the hand can hold the holding rod 5 to keep the gravity center, and meanwhile, when the exercise intensity is improved, one hand can be freed to rotate the adjusting rod 6, so that the height of the leg pressing is slowly improved to the limit position, and the exercise effect is enhanced.

The above description is only for the preferred embodiment 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 technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A leg pressing frame with adjustable height, which comprises symmetrically arranged supporting rods (1) and is characterized in that, the supporting rod (1) is provided with leg pressing rods (2) in a sliding way, the leg pressing rods (2) are provided with arc-shaped grooves (3) distributed in an array way, a holding rod (5) is welded on one side of the support rod (1), an adjusting rod (6) is rotatably arranged inside the holding rod (5), the other end of the adjusting rod (6) is fixedly connected with a worm (13) through a nut and a bolt, a transmission shaft (16) is rotatably arranged on the front side of the supporting rod (1), a worm wheel (19) and an adjusting wheel (17) are respectively sleeved outside the transmission shaft (16), the worm wheel (19) is meshed with the worm (13), the adjusting wheel (17) is wound with a steel wire rope (7), the other end of the steel wire rope (7) is fixedly connected with one side of the leg pressing rod (2);

the two ends of the leg pressing rod (2) are provided with self-locking mechanisms, each self-locking mechanism comprises a stop rod (8), the stop rods (8) are slidably arranged inside the leg pressing rod (2), and the end portions of the stop rods (8) are arc-shaped.

2. The adjustable leg rest according to claim 1, wherein one side of the supporting rod (1) is provided with teeth (4) which are integrally formed and distributed in an array.

3. The leg pressing frame with adjustable height as claimed in claim 1, wherein the leg pressing rod (2) is provided with symmetrically arranged slots (12), and the supporting rod (1) is slidably connected with the inside of the slots (12).

4. The leg pressing rack with the adjustable height as claimed in claim 3, wherein through holes (9) are formed at two ends of the leg pressing rod (2), the through holes (9) are communicated with the inside of the groove holes (12), the blocking rod (8) is embedded in the through holes (9), a spring (11) is sleeved outside the blocking rod (8), a limiting block (10) of an integrated structure is arranged at the end of the blocking rod (8), and two ends of the spring (11) are fixedly connected with one side of the limiting block (10) and the end of the leg pressing rod (2) respectively through buckles.

5. The leg rest capable of adjusting the height as claimed in claim 1, wherein the grip lever (5) is internally provided with an internal groove (18), the adjusting lever (6) is embedded in the internal groove (18), one side of the support rod (1) is provided with a first bearing, and the end of the worm (13) is sleeved in the first bearing.

6. The adjustable leg pressing frame according to claim 5, wherein the inner wall of the inner groove (18) and the front side of the support rod (1) are respectively fixed with a first support plate (14) and a second support plate (15) through screws, the first support plate (14) and the second support plate (15) are respectively provided with a second bearing and a third bearing, and two ends of the transmission shaft (16) are respectively sleeved in the second bearing and the third bearing.