CN217908818U

CN217908818U - Stretching device for fitness training

Info

Publication number: CN217908818U
Application number: CN202222079476.1U
Authority: CN
Inventors: 王筱祺; 孙式桥; 高静; 周广浩
Original assignee: Tianjin Jiankun Runde Sporting Goods Co ltd
Current assignee: Tianjin Jiankun Runde Sporting Goods Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-11-29
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a stretching device for fitness training belongs to the body-building apparatus field, parallel arrangement's first stand and second stand in the vertical direction, the photovoltaic board is installed on the top of first stand, and the top lateral wall of first stand installs the block terminal, the inside of block terminal is provided with the battery, the below of battery is located the internally mounted of block terminal and has control switch, be connected with the drive screw that the level was located between the top inside wall of first stand and second stand, drive screw's outside is close to the inboard position department at second stand and first stand place respectively and all is connected with the sliding seat. The utility model discloses a conveniently adjust two and hold the structure of interval between the steel ring, can carry out the extension of position control in order to use different user's arm to the steel ring of holding according to actual user's needs, and can adjust the position utilization of holding the steel ring to different user's height and install additional or the mode of dismantling.

Description

Stretching device for fitness training

Technical Field

The utility model relates to a body-building apparatus field, concretely relates to draw gear is used in body-building training.

Background

The fitness equipment comprises an instrument for performing pull-up stretching, namely pull-up stretching, and mainly tests the development level of upper limb muscle strength, arm strength and waist and abdomen strength, so that the fitness equipment is a better method for exercising the upper limbs, and is an exercise mode which is most effective in all exercise modes for developing back skeletal muscle strength and muscle endurance and takes the most muscles, the most complex exercise mode and the most effective exercise mode for developing back skeletal muscle strength and muscle endurance.

Through the retrieval, chinese utility model patent that publication number is CN214597050U discloses a pull-up drawing device is assisted in body-building, the on-line screen storage device comprises a base, the intermediate position department fixed mounting of base top one side has the gag lever post, the intermediate position department of base top opposite side is provided with the bearing, the intermediate position department of base top opposite side passes through bearing movable mounting has the screw thread pivot, the intermediate position department fixed mounting of the inside one side of base has driving motor, the bottom of screw thread pivot is passed through the bearing with driving motor's output fixed connection, the screw thread cup joints in the screw thread pivot and installs the internal thread cover, movable cup joints on the gag lever post and installs the stop collar, the stop collar with fixed mounting has the pull rod between the internal thread cover, the bottom fixed mounting of pull rod has two installation pieces, the bottom of pull rod is through two installation piece fixed mounting has the pull ring. This patent makes this device have that the flexibility is strong, adaptability is high and the characteristics that the security performance is good through setting up a series of structures.

Although the above patent design has good use and safety performance, there is still a certain shortcoming in actual use, for example, the position of the pull ring of the hand-held part, i.e. the steel ring part, is designed to be a fixed position structure, which is very inconvenient for people with different extending lengths of arms of different users.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a stretching device for body-building training has designed conveniently to adjust two structures of holding interval between the steel ring, can carry out the extension of position control in order to use different user's arm to the steel ring of holding according to actual user's needs, and can need to utilize the mode of installing additional or dismantling to the position of holding the steel ring to different users ' height to solve the technical problem who exists among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a stretching device for body-building training, includes parallel arrangement's first stand and second stand in the vertical direction, the photovoltaic board is installed on the top of first stand, and the top lateral wall of first stand installs the block terminal, the inside of block terminal is provided with the battery, the below of battery is located the internally mounted of block terminal has control switch, be connected with the drive screw that the level was located between the top inside wall of first stand and second stand, drive screw's outside is close to the inboard position department at second stand and first stand place respectively and all is connected with the sliding seat, the top that the top of sliding seat is located drive screw inserts along the horizontal direction and is equipped with the gag lever post, and the lateral wall that the one end of sliding seat is located first stand is connected with servo motor, the bottom of sliding seat is connected with first steel ring, the bottom of first steel ring is connected with the second steel ring, and the top of first steel ring is provided with the opening that is used for the second steel ring to insert, the position department that the top of first steel ring is located the opening place is provided with locking mechanism.

As the utility model discloses technical scheme's further improvement, the top inside wall of second stand corresponds drive screw's tip position department and is provided with the bearing frame, the inside outside that corresponds drive screw of first stand is provided with the bearing, through screw fixed connection between servo motor's the bottom and the outer wall of first stand.

As the utility model discloses technical scheme's further improvement, drive screw's middle part is comparatively smooth cylinder structure, and drive screw's surface is located the both sides of middle part cylinder structure and all is provided with the screw thread, and two screw threads are reverse to be set up.

As a technical scheme of the utility model further improve, all through welded fastening between the both ends of gag lever post and the top inside wall of first stand and second stand, and the gag lever post erects the cross-section and is circular structure.

As a technical scheme of the utility model further improve, the inside of sliding seat is provided with the outside screw that establishes of screw thread assorted with drive screw, and the outside that the inside of sliding seat corresponds the gag lever post is provided with spacing hole.

As the utility model discloses technical scheme's further improvement, locking mechanism is including connecting the inboard arc pole in the opening, two tip portions are separated into with first steel ring to the opening, and the outside position department that two tip portions correspond the arc pole all is provided with the slot, and the internal connection that one of them tip portion is located first steel ring has the movable block, the outside that the inside of first steel ring corresponds the movable block is provided with the arc activity chamber on the arc motion orbit along, be connected with the spring between the tip of movable block and the tip inner wall in arc activity chamber.

As a technical scheme of the utility model further improve, one side that the outer wall of arc pole is close to the movable block place is connected with dials the piece, the one end of dialling the piece extends to the outside of first steel ring, be provided with the movable hole on the outside arc movement track of the corresponding piece of dialling of outer wall of first steel ring.

As the technical scheme of the utility model further improve, connected mode between the tip of movable block and arc pole is the welding, welded fastening between the tip in arc activity chamber and the outer wall of movable block.

The utility model has the advantages of as follows:

1. the utility model designs a conveniently adjust the structure of interval between two handheld steel rings, after starting servo motor during the use, can drive screw and rotate, the drive screw middle part of setting is comparatively smooth cylinder structure, and the surface of drive screw is located the both sides of middle part cylinder structure and all is provided with the screw thread, two screw threads are reverse to be set up, and then be convenient for when using, can make two sliding seats carry out reverse activity when controlling drive screw to rotate, thereby conveniently adjust the interval between two sliding seats according to actual need, and then more convenient carry out position control to the steel ring of holding according to actual user's needs in order to use the extension of different user's arm, simultaneously, the outside of the steel ring of setting can need can wrap up anti-skidding silica gel cover in actual practice;

2. through setting up locking mechanism, the convenience increases the steel ring and dismantles the increased steel ring according to actual need when using, the opening convenience that sets up on the first steel ring increases the steel ring according to the needs of user's height when using, and then utilize the steel ring that increases in order to adapt to the needs of user's height, the steel ring that increases can set up different quantity in order to adapt to user's height difference according to the internal diameter size, when the steel ring that increases is installed, stir the piece and drive the inside removal of arc pole and movable block and compression spring at the activity of movable hole through the pulling, until the arc pole breaks away from the position of opening completely, the inside of putting into first steel ring that the steel ring that increases can be direct convenient, after the installation, loosen and stir the piece, the spring resets and promotes the inside of arc pole card income slot and seals the opening portion, avoid the steel ring that increases to drop, and simultaneously, locking mechanism's structural design has also made things convenient for the dismantlement of the steel ring that increases.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary and that other implementation drawings may be derived from the provided drawings by those of ordinary skill in the art without inventive effort.

The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the middle movable seat of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the mounting structure of the locking mechanism on the first steel ring of the present invention;

in the figure: 1. a first upright post; 2. a second upright post; 3. a photovoltaic panel; 4. a distribution box; 5. a storage battery; 6. a control switch; 7. a drive screw; 8. a movable seat; 9. a limiting rod; 10. a servo motor; 11. a first steel ring; 12. a second steel ring; 13. an opening part; 14. an arcuate bar; 15. a shifting block; 16. a slot; 17. a movable block; 18. an arc-shaped movable cavity; 19. a spring; 20. a movable hole; 81. a screw hole; 82. and a limiting hole.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-4 of the specification, a stretching device for fitness training comprises a first upright post 1 and a second upright post 2 which are arranged in parallel in the vertical direction, a photovoltaic panel 3 is installed at the top end of the first upright post 1, a distribution box 4 is installed on the outer side wall of the top of the first upright post 1, a storage battery 5 is arranged inside the distribution box 4, a control switch 6 is installed inside the distribution box 4 below the storage battery 5, a transmission screw 7 at which a horizontal position is located is connected between the inner side walls of the tops of the first upright post 1 and the second upright post 2, a movable seat 8 is connected to the positions, close to the inner sides of the second upright post 2 and the first upright post 1, of the transmission screw 7, a limiting rod 9 is inserted into the position, on the horizontal direction, of the top of the movable seat 8, a servo motor 10 is connected to the outer side wall of the first upright post 1, a first steel ring 11 is connected to the bottom of the first steel ring 11, a second steel ring 12 is connected to the top of the first steel ring 11, an opening 13 for the second steel ring 12 to be connected to, and a locking mechanism is arranged on the top of the first steel ring 11.

As shown in the attached drawing 1, a bearing seat is arranged at the position of the end part of the inner side wall of the top of the second upright post 2, which corresponds to the transmission screw 7, a bearing is arranged at the position of the inside of the first upright post 1, which corresponds to the outside of the transmission screw 7, and the bottom of the servo motor 10 is fixedly connected with the outer wall of the first upright post 1 through screws, so that the transmission screw 7 can be conveniently installed and stably rotated, and the servo motor 10 can be conveniently installed and fixed.

As shown in the attached drawing 1, the middle part of drive screw 7 is comparatively smooth cylinder structure, and the both sides that drive screw 7's surface is located middle part cylinder structure all are provided with the screw thread, two reverse settings of screw thread, be convenient for when using, can make two sliding seat 8 carry out reverse activity when control drive screw 7 rotates, thereby the interval between two sliding seat 8 is adjusted according to actual need to the convenience, and then more convenient extension in order to use different user's arm is carried out position control to the steel ring of holding according to actual user's needs, and simultaneously, the steel ring outside of setting can wrap up anti-skidding silica gel cover by actual need.

As shown in fig. 1, the two end portions of the limiting rod 9 and the inner side walls of the top portions of the first upright post 1 and the second upright post 2 are fixed by welding, and the vertical section of the limiting rod 9 is of a circular structure, so that the limiting rod 9 can be conveniently connected and fixed.

As shown in fig. 1-2, a screw hole 81 is formed in the movable seat 8 and is matched with a thread formed on the exterior of the transmission screw 7, and a limit hole 82 is formed in the movable seat 8 and corresponds to the exterior of the limit rod 9, so that the transmission screw 7 and the limit rod 9 can be connected with the movable seat 8.

As shown in fig. 1 and fig. 3-4, the locking mechanism includes an arc rod 14 connected to the inner side of an opening 13, the opening 13 divides a first steel ring 11 into two end portions, the two end portions are provided with slots 16 corresponding to the outer portions of the arc rod 14, and one of the end portions is connected to a movable block 17 inside the first steel ring 11, the inner portion of the first steel ring 11 corresponding to the outer portion of the movable block 17 is provided with an arc movable cavity 18 along an arc motion track, a spring 19 is connected between the end portion of the movable block 17 and the inner wall of the end portion of the arc movable cavity 18, wherein one side of the outer wall of the arc rod 14 near the movable block 17 is connected to a toggle block 15, one end of the toggle block 15 extends to the outer portion of the first steel ring 11, the outer wall of the first steel ring 11 corresponding to the outer arc motion track of the toggle block 15 is provided with a movable hole 20, the movable block 17 is welded to the end portion of the arc rod 14, the end part of the arc-shaped movable cavity 18 and the outer wall of the movable block 17 are welded and fixed, the opening part 13 is arranged to increase steel rings according to the height requirement of a user when in use, and further the increased steel rings are utilized to adapt to the height requirement of the user, the increased steel rings can be arranged in different quantities according to the inner diameter to adapt to the height difference of the user, when the increased steel rings are installed, the poking block 15 is pulled to move in the movable hole 20 to drive the arc-shaped rod 14 and the movable block 17 to move and compress the spring 19 until the arc-shaped rod 14 completely leaves the position of the opening part 13, the increased steel rings can be directly and conveniently placed in the first steel ring 11, after the installation, the poking block 15 is loosened, the spring 19 is reset to push the arc-shaped rod 14 to be clamped into the inner part of the slot 16 and seal the opening part 13, so as to avoid the increased steel rings from falling off, meanwhile, the structural design of the locking mechanism also facilitates the disassembly of the added steel ring.

The utility model discloses a use as follows: the electric energy converted by the photovoltaic panel 3 is stored in the storage battery 5, the operation of the servo motor 10 is controlled by the control switch 6, after the servo motor 10 is started, the transmission screw 7 can be driven to rotate, the middle of the arranged transmission screw 7 is of a smooth cylinder structure, threads are arranged on two sides of the middle cylinder structure on the outer surface of the transmission screw 7, the two threads are arranged in a reverse direction, and when the photovoltaic solar cell is used, the two movable seats 8 can move in a reverse direction when the transmission screw 7 is controlled to rotate, so that the distance between the two movable seats 8 can be conveniently adjusted according to actual needs, the position of a held steel ring can be more conveniently adjusted according to the needs of an actual user to use the extension of arms of different users, and meanwhile, an anti-slip silica gel sleeve can be wrapped outside the arranged steel ring according to the actual needs; and through setting up locking mechanism, conveniently increase the steel ring and dismantle the steel ring that increases according to actual need when using, the opening 13 that sets up on the first steel ring 11 conveniently increases the steel ring according to the needs of user's height when using, and then utilize the steel ring that increases in order to adapt to the needs of user's height, the steel ring that increases can set up different quantity according to the internal diameter size in order to adapt to user's height difference, when the steel ring that increases is installed, through pulling block 15 and at the inside activity drive arc pole 14 of activity hole 20 and movable block 17 removal and compression spring 19, until arc pole 14 completely breaks away from the position of opening 13, the steel ring that increases can direct convenient the inside of putting into first steel ring 11, after the installation, unclamp block 15, spring 19 resets and promotes arc pole 14 card and goes into the inside of slot 16 and seals opening 13, avoid the steel ring that increases to drop, simultaneously, locking mechanism's structural design has also made things convenient for the dismantlement of the steel ring that increases.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Claims

1. The utility model provides a stretching device is used in body-building training, includes parallel arrangement's first stand (1) and second stand (2) in the vertical direction, its characterized in that: photovoltaic board (3) are installed on the top of first stand (1), and the top lateral wall of first stand (1) installs block terminal (4), the inside of block terminal (4) is provided with battery (5), the internally mounted that the below of battery (5) lies in block terminal (4) has control switch (6), be connected with transmission screw (7) that the level was located between the top inside wall of first stand (1) and second stand (2), the outside of transmission screw (7) is close to inboard position department at second stand (2) and first stand (1) place respectively and all is connected with sliding seat (8), the top that the top of sliding seat (8) is located transmission screw (7) is inserted on the horizontal direction and is equipped with gag lever post (9), and the lateral wall that the one end of sliding seat (8) is located first stand (1) is located servo motor (10), the bottom of sliding seat (8) is connected with first steel ring (11), the bottom of first steel ring (11) is connected with second steel ring (12), and the top that the steel ring (11) is provided with opening department and is used for second opening (13) and the opening department is located second steel ring (13) and insert the mechanism (13).

2. The stretching apparatus for fitness training as recited in claim 1, wherein: the bearing seat is arranged at the position, corresponding to the end part of the transmission screw rod (7), of the inner side wall of the top of the second upright column (2), the bearing seat is arranged at the position, corresponding to the outer part of the transmission screw rod (7), of the inner part of the first upright column (1), and the bottom of the servo motor (10) is fixedly connected with the outer wall of the first upright column (1) through screws.

3. A stretching device for fitness training as claimed in claim 1, wherein: the middle part of the transmission screw rod (7) is of a smooth cylinder structure, threads are arranged on two sides, located on the middle cylinder structure, of the outer surface of the transmission screw rod (7), and the two threads are arranged in the opposite direction.

4. A stretching device for fitness training as claimed in claim 1, wherein: the two end parts of the limiting rod (9) are fixed with the inner side walls of the tops of the first upright post (1) and the second upright post (2) through welding, and the vertical section of the limiting rod (9) is of a circular structure.

5. A stretching device for fitness training as claimed in claim 1, wherein: the movable seat (8) is internally provided with a screw hole (81) matched with the thread arranged outside the transmission screw (7), and the movable seat (8) is internally provided with a limit hole (82) corresponding to the outside of the limit rod (9).

6. A stretching device for fitness training as claimed in claim 1, wherein: locking mechanism is including connecting arc pole (14) at opening (13) inboard, opening (13) are separated into two tip portions with first steel ring (11), and the outside position department that two tip portions correspond arc pole (14) all is provided with slot (16), and the internal connection that one of them tip is located first steel ring (11) has movable block (17), the outside that the inside of first steel ring (11) corresponds movable block (17) is provided with arc activity chamber (18) on the arc motion orbit, be connected with spring (19) between the tip of movable block (17) and the tip inner wall in arc activity chamber (18).

7. The stretching apparatus for fitness training as recited in claim 6, wherein: one side that the outer wall of arc pole (14) is close to movable block (17) place is connected with and dials movable block (15), the one end that dials movable block (15) extends to the outside of first steel ring (11), be provided with movable hole (20) on the outer arc motion orbit that the outer wall of first steel ring (11) corresponds dials movable block (15).

8. A stretching device for fitness training as claimed in claim 6, wherein: the connection mode between the movable block (17) and the end part of the arc-shaped rod (14) is welding, and the end part of the arc-shaped movable cavity (18) is fixedly welded with the outer wall of the movable block (17).