CN113648594A - Pull-up physical training device - Google Patents

Abstract

Translated fromChinese

本发明公开了一种体育锻炼引体向上训练装置，包括装置底座、调节槽和螺纹杆，装置底座的顶部两侧固定连接有调节槽，调节槽的内部活动连接有螺纹杆，螺纹杆的底部固定连接有从动齿轮，从动齿轮的一侧搭接相连有传动齿轮，传动齿轮的一侧活动连接有活动轴，活动轴的另一侧前面搭接相连有主动齿轮，主动齿轮的正面固定连接有传动握把。该体育锻炼引体向上训练装置，通过训练调整机构提高了装置主体的灵活性，方便了使用人员根据实际需求来调节装置，进一步也扩大了装置的适用范围，通过单杠更换机构提高了装置主体的实用性，方便了使用人员更换单杠的型号，进一步扩大了装置的适用范围，通过稳固防护机构提高了装置主体的稳定性。

The invention discloses a physical exercise pull-up training device, which comprises a device base, an adjustment groove and a threaded rod. The top two sides of the device base are fixedly connected with the adjustment groove, the inner part of the adjustment groove is movably connected with the threaded rod, and the bottom of the threaded rod is connected with the threaded rod. A driven gear is fixedly connected, one side of the driven gear is lapped and connected with a transmission gear, one side of the transmission gear is movably connected with a movable shaft, the other side of the movable shaft is lapped and connected with a driving gear in front, and the front of the driving gear is fixed There is a transmission grip attached. The physical exercise pull-up training device improves the flexibility of the device main body through the training adjustment mechanism, which facilitates users to adjust the device according to actual needs, further expands the application scope of the device, and improves the device main body through the horizontal bar replacement mechanism. Practical, it is convenient for users to change the model of the horizontal bar, further expands the scope of application of the device, and improves the stability of the main body of the device through the stable protection mechanism.

Description

Pull-up physical training device

Technical Field

The invention relates to the technical field of physical training, in particular to a pull-up training device for physical training.

Background

Physical exercise refers to physical activities aimed at developing the body, promoting health, strengthening physique, regulating spirit, enriching cultural life and giving a dominant over time by people selecting themselves according to needs, applying various physical means and combining natural force and sanitary measures.

Present physical exercise chin trainer flexibility is not good, relevant user of service is unable to come adjusting device according to actual demand in the use, and then lead to the device to have higher limitation in the use, present physical exercise chin trainer practicality is not good, relevant user of service is unable to change the horizontal bar according to actual demand, because the thickness problem of horizontal bar can lead to the unable normal training of part user of service, present physical exercise chin trainer stability is not good, the possibility of overturning exists in the use, user of service is if the device accident overturns in the training process, can cause the injury to user of service undoubtedly.

Disclosure of Invention

The invention aims to provide a pull-up training device for physical exercise, which aims to solve the problems that the device cannot be adjusted according to actual requirements, the stability is poor and a horizontal bar is inconvenient to replace in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a pull-up physical exercise training device comprises a device base, adjusting grooves and a threaded rod, wherein the adjusting grooves are fixedly connected with two sides of the top of the device base, the threaded rod is movably connected inside the adjusting grooves,

the device comprises a device base, a threaded rod, a driving gear, a driving handle, a hollow seat, a supporting seat, a transmission rod, limiting blocks and a threaded connecting block, wherein the bottom of the threaded rod is fixedly connected with a driven gear, one side of the driven gear is connected with the driving gear in an overlapping manner, one side of the driving gear is movably connected with the movable shaft, the other side of the movable shaft is connected with the driving gear in an overlapping manner in front of the driving gear, the front of the driving gear is fixedly connected with the transmission handle, the top of the middle part of the device base is fixedly connected with the hollow seat, the inside of the hollow seat is embedded and connected with the supporting seat, the middle part of the inside of the supporting seat is embedded and connected with the transmission rod, the two sides of the supporting seat are fixedly connected with the limiting blocks, and the surface of the threaded rod is connected with the threaded connecting block in an embedded manner;

one side of the threaded connecting block is fixedly connected with a mounting groove, a horizontal bar connecting block is embedded and connected in the mounting groove, a fastening bolt is embedded and connected in the middle of the mounting groove, a magnetic connecting block is fixedly connected to the bottom of the horizontal bar connecting block, a magnetic groove is fixedly connected to the bottom of the mounting groove, and a horizontal bar is fixedly connected to one side of the horizontal bar connecting block;

the device base is characterized in that a main supporting sucker is fixedly connected to the bottom of the front side of the device base, movable grooves are fixedly connected to two sides of the front side of the device base, movable blocks are movably connected to the inner portions of the movable grooves, auxiliary supporting suckers are movably connected to the rear sides of the movable blocks, and a second movable block is movably connected to the other side of the front side of the device base.

Preferably, the threaded rod passes through screw thread intermeshing with the threaded connection piece, and the threaded rod is equipped with two altogether, and two threaded rods use the device base in the middle of be axisymmetric distribution, and the line of two threaded rods is opposite completely simultaneously, driven gear and drive gear intermeshing, and the transmission handle passes through the gear and links to each other with the loose axle, and the cross sectional shape of cavity and supporting seat all is the rectangle, and the inside of cavity is equipped with the cavity chamber of rectangle, and the cross sectional dimension of the cavity chamber in this rectangle is greater than the cross sectional dimension of supporting seat, and the supporting seat inlays in the inside of cavity.

Preferably, the cross sectional shape of mounting groove and horizontal bar connecting block all is the rectangle, and the horizontal bar connecting block inlays that the inside of mounting groove is fixed by the fastening bolt, and the cross sectional shape of magnetism connecting block is the rectangle, and the cross sectional shape in magnetism groove also is the rectangle, and magnetism connecting block uses with magnetism groove mutually supporting, and the peripheral cover of horizontal bar has the hollow column to prevent the restrictive coating.

Preferably, the main tributary props the sucking disc and is equipped with four altogether, and four main tributary props the sucking disc and sets up respectively at four angles of device base, and activity groove and movable block all are equipped with two, and activity groove and movable block use of mutually supporting, and the movable block inlays in the inside of activity groove, and vice supporting suction disc is equipped with four altogether, and a movable block is equipped with two vice supporting suction discs, and vice supporting suction disc passes through screw thread interconnect with the movable block.

Compared with the prior art, the invention has the beneficial effects that:

(1) the pull-up physical exercise training device is provided with the training adjusting mechanism, related users can drive the movable shaft to rotate by rotating the transmission handle before starting exercise, the movable shaft rotates to drive the driving gear to rotate, the driving gear is meshed with the driven gear, the driving gear can drive the threaded rod to rotate by the driven gear when rotating, the rotating directions of the two threaded rods are different, but the grains on the two threaded rods are opposite, therefore, the two threaded connecting blocks can still synchronously move towards the same direction in the rotating process of the threaded rod, and a user can adjust the positions of the threaded connecting blocks in such a way, the purpose of adjusting the height of the horizontal bar is further achieved, the training adjusting mechanism improves the flexibility of the device main body, a user can conveniently adjust the device according to actual requirements, and the application range of the device is further expanded;

(2) the pull-up physical exercise training device is characterized in that a horizontal bar replacing mechanism is arranged, a horizontal bar is clamped inside a mounting groove through a horizontal bar connecting block, two fastening bolts can be unscrewed when the horizontal bar needs to be replaced by related users, the user can pull out the horizontal bar connecting block from the mounting groove after the fastening bolts are loosened, then the new horizontal bar connecting block is inserted into the mounting groove, the magnetic connecting block is inserted into the magnetic groove to fix the horizontal bar connecting block, and then the user can further fix the horizontal bar connecting block by screwing the fastening bolts;

(3) this pull body trainer that makes progress is tempered in sports, through setting up firm protection machanism, because the device itself has certain weight, the weight of device itself can support the sucking disc with the main tributary and tightly sticis subaerial, four main support sucking discs adsorb subaerial can increase the land fertility of grabbing of device base to a certain extent, simultaneously the user of service still can move the movable block to suitable position according to actual conditions, revolute pair supports the sucking disc afterwards and makes it also paste to ground, further increase the land fertility of grabbing of device base, firm protection machanism has improved the stability of device main part, four main tributary support sucking discs and four vice support sucking discs mutually support the land fertility of grabbing of improvement device main part that the use can be very big.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of an adjustment groove according to the present invention;

FIG. 3 is a schematic cross-sectional view of a base of the apparatus of the present invention;

FIG. 4 is a schematic cross-sectional view of the hollow seat of the present invention;

FIG. 5 is a schematic cross-sectional view of the mounting groove of the present invention;

FIG. 6 is an enlarged schematic view of the present invention at A;

FIG. 7 is an enlarged view of the structure of the present invention at B;

fig. 8 is an enlarged schematic view of the present invention at C.

In the figure: 1. a device base; 2. an adjustment groove; 3. a threaded rod; 4. a driven gear; 5. a transmission gear; 6. a movable shaft; 7. a driving gear; 8. a driving grip; 9. a hollow seat; 10. a supporting seat; 11. a transmission rod; 12. a limiting block; 13. a threaded connection block; 14. mounting grooves; 15. a horizontal bar connecting block; 16. fastening bolts; 17. a magnetic connecting block; 18. a magnetic groove; 19. a horizontal bar; 20. a main support suction cup; 21. a movable groove; 22. a movable block; 23. a secondary support suction cup; 24. and a second movable block.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a physical exercise pull-up training device comprising: 1. a device base; 2. an adjustment groove; 3. a threaded rod; 4. a driven gear; 5. a transmission gear; 6. a movable shaft; 7. a driving gear; 8. a driving grip; 9. a hollow seat; 10. a supporting seat; 11. a transmission rod; 12. a limiting block; 13. a threaded connection block; 14. mounting grooves; 15. a horizontal bar connecting block; 16. fastening bolts; 17. a magnetic connecting block; 18. a magnetic groove; 19. a horizontal bar; 20. a main support suction cup; 21. a movable groove; 22. a movable block; 23. a secondary support suction cup; 24. two sides of the top of thedevice base 1 are fixedly connected with an adjustinggroove 2, the inner part of the adjustinggroove 2 is movably connected with a threadedrod 3, wherein,

the threaded rod 3 and the threaded connecting block 13 are mutually meshed through threads, the threaded rod 3 is provided with two threaded rods, the two threaded rods 3 are distributed in an axisymmetric mode in the middle of the device base 1, the grains of the two threaded rods 3 are completely opposite, the driven gear 4 is mutually meshed with the transmission gear 5, the transmission handle 8 is connected with the movable shaft 6 through a gear, the cross sections of the hollow seat 9 and the supporting seat 10 are rectangular, a rectangular hollow cavity is arranged inside the hollow seat 9, the cross section of the rectangular hollow cavity is larger than that of the supporting seat 10, the supporting seat 10 is embedded inside the hollow seat 9, the adjusting groove 2, the threaded rod 3, the driven gear 4, the transmission gear 5, the movable shaft 6, the driving gear 7, the transmission handle 8, the hollow seat 9, the supporting seat 10, the transmission rod 11, the limiting block 12 and the threaded connecting block 13 jointly form a training adjusting mechanism, the existing physical training pull-up training device is poor in flexibility, related users cannot adjust the device according to actual requirements in the using process, and then the device has high limitation in the using process, by arranging the training adjusting mechanism, the related users can drive the movable shaft 6 to rotate by rotating the transmission handle 8 before starting to exercise, the movable shaft 6 can drive the driving gear 7 to rotate, the driving gear 7 is meshed with the driven gear 4, the driving gear 7 can drive the threaded rod 3 to rotate by the driven gear 4 when rotating, the rotating directions of the two threaded rods 3 are different, but the grains on the two threaded rods 3 are opposite, so that the two threaded connecting blocks 13 can still synchronously move towards the same direction in the rotating process of the threaded rod 3, the users can adjust the position of the threaded connecting blocks 13 by the mode, the purpose of adjusting the height of the horizontal bar 19 is achieved, and the training adjusting mechanism improves the flexibility of the device main body, the device is convenient for users to adjust according to actual requirements, and the application range of the device is further expanded.

The cross-sectional shapes of the installation groove 14 and the horizontal bar connecting block 15 are both rectangular, the horizontal bar connecting block 15 is embedded in the installation groove 14 and fixed by the fastening bolts 16, the cross-sectional shape of the magnetic connecting block 17 is rectangular, the cross-sectional shape of the magnetic groove 18 is also rectangular, the magnetic connecting block 17 and the magnetic groove 18 are matched with each other for use, a hollow cylindrical protective sleeve layer is sleeved on the periphery of the horizontal bar 19, the installation groove 14, the horizontal bar connecting block 15, the fastening bolts 16, the magnetic connecting block 17, the magnetic groove 18 and the horizontal bar 19 jointly form a horizontal bar replacing mechanism, the existing physical training pull-up training device is poor in practicability, related users cannot replace the horizontal bar according to actual requirements, part of users cannot normally train due to the thickness problem of the horizontal bar, the horizontal bar 19 is clamped in the installation groove 14 through the horizontal bar connecting block 15, the related users can unscrew the two fastening bolts 16 when the horizontal bar 19 needs to be replaced, fastening bolt 16 is not hard up back user of service can extract from mounting groove 14 with horizontal bar connecting block 15, insert mounting groove 14 with new horizontal bar connecting block 15 afterwards, and make magnetism connecting block 17 insert in magnetism groove 18, magnetism connecting block 17 inserts magnetism groove 18 and can fix horizontal bar connecting block 15, user of service screws fastening bolt 16 again afterwards and can further fix horizontal bar connecting block 15, horizontal bar replacement mechanism has improved the practicality of device main part, the model that user of service changed the horizontal bar has been made things convenient for, the application scope of device has further been enlarged.

The main supporting suckers 20 are four in number, the four main supporting suckers 20 are respectively arranged at four corners of the device base 1, two movable grooves 21 and two movable blocks 22 are arranged, the movable grooves 21 and the movable blocks 22 are matched with each other for use, the movable blocks 22 are embedded in the movable grooves 21, four auxiliary supporting suckers 23 are arranged, one movable block 22 is provided with two auxiliary supporting suckers 23, the auxiliary supporting suckers 23 are connected with the movable blocks 22 through threads, the main supporting suckers 20, the movable grooves 21, the movable blocks 22, the auxiliary supporting suckers 23 and the second movable blocks 24 jointly form a stable protection mechanism, the existing physical training pull-up training device is poor in stability, the possibility of overturning exists in the using process, users can be undoubtedly hurt the users if the device is accidentally overturned in the training process, and by arranging the stable protection mechanism, the device has a certain weight, the weight of device itself can tightly sticis main tributary support sucking disc 20 subaerial, four main tributary support sucking discs 20 adsorb subaerial can increase the land fertility of grabbing of device base 1 to a certain extent, simultaneously the user can also move movable block 22 to suitable position according to actual conditions, revolute pair support sucking disc 23 makes it also paste to ground afterwards, further increase the land fertility of grabbing of device base 1, firm protection device has improved the stability of device main part, four main tributary support sucking discs 20 and four vice support sucking discs 23 use the land fertility of grabbing of improvement device main part that can be very big mutually supporting.

The working principle is as follows: when the pull-up physical exercise training device is used, firstly, a user can drive the movable shaft 6 to rotate by rotating the transmission handle 8 before starting exercise, the movable shaft 6 can drive the driving gear 7 to rotate by rotating, the driving gear 7 is meshed with the driven gear 4, the driving gear 7 can drive the threaded rod 3 to rotate by the driven gear 4 when rotating, the rotating directions of the two threaded rods 3 are different, but because the grains on the two threaded rods 3 are opposite, the two threaded connecting blocks 13 can still synchronously move to the same direction in the rotating process of the threaded rod 3, the user can adjust the position of the threaded connecting block 13 by the way, the related user can unscrew the two fastening bolts 16 when needing to replace the horizontal bar 19, the user can pull out the horizontal bar connecting block 15 from the mounting groove 14 after the fastening bolts 16 are loosened, and then insert the new horizontal bar connecting block 15 into the mounting groove 14, the magnetic connecting block 17 is inserted into the magnetic groove 18, the magnetic connecting block 17 is inserted into the magnetic groove 18 to fix the horizontal bar connecting block 15, then a user can fasten the fastening bolt 16 to further fix the horizontal bar connecting block 15, the user can move the movable block 22 to a proper position according to actual conditions, then the auxiliary supporting sucker 23 is rotated to be attached to the ground, and the ground gripping force of the device base 1 is further increased, and the content which is not described in detail in the description belongs to the prior art which is well known to a person skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (10)

Translated fromChinese

1.一种体育锻炼引体向上训练装置，包括装置底座(1)、调节槽(2)和螺纹杆(3)，其特征在于：所述装置底座(1)的顶部两侧固定连接有调节槽(2)，所述调节槽(2)的内部活动连接有螺纹杆(3)，其中，1. a physical exercise pull-up training device, comprising a device base (1), an adjustment groove (2) and a threaded rod (3), characterized in that: the top two sides of the device base (1) are fixedly connected with adjustment A groove (2), a threaded rod (3) is movably connected inside the adjustment groove (2), wherein,所述螺纹杆(3)的底部固定连接有从动齿轮(4)，所述从动齿轮(4)的一侧搭接相连有传动齿轮(5)，所述传动齿轮(5)的一侧活动连接有活动轴(6)，所述活动轴(6)的另一侧前面搭接相连有主动齿轮(7)，所述主动齿轮(7)的正面固定连接有传动握把(8)，所述装置底座(1)的中间部位顶部固定连接有中空座(9)，所述中空座(9)的内部嵌入连接有支撑座(10)，所述支撑座(10)的内部中间部位嵌入连接有传动杆(11)，所述支撑座(10)的两侧固定连接有限位块(12)，所述螺纹杆(3)的表面嵌套连接有螺纹连接块(13)；A driven gear (4) is fixedly connected to the bottom of the threaded rod (3), one side of the driven gear (4) is overlapped and connected with a transmission gear (5), and one side of the transmission gear (5) is connected A movable shaft (6) is movably connected, the other side of the movable shaft (6) is lapped and connected with a driving gear (7) in front, and a transmission handle (8) is fixedly connected to the front of the driving gear (7), A hollow seat (9) is fixedly connected to the top of the middle part of the device base (1), a support seat (10) is embedded in the interior of the hollow seat (9), and an inner middle part of the support seat (10) is embedded A transmission rod (11) is connected, the two sides of the support base (10) are fixedly connected with a limiting block (12), and a threaded connection block (13) is nested on the surface of the threaded rod (3);所述螺纹连接块(13)的一侧固定连接有安装槽(14)，所述安装槽(14)的内部嵌入连接有单杠连接块(15)，所述安装槽(14)的中间部位嵌入连接有紧固栓(16)，所述单杠连接块(15)的底部固定连接有磁性连接块(17)，所述安装槽(14)的内部底部固定连接有磁性槽(18)，所述单杠连接块(15)的一侧固定连接有单杠(19)；An installation groove (14) is fixedly connected to one side of the threaded connection block (13), a horizontal bar connection block (15) is embedded in the interior of the installation groove (14), and a middle part of the installation groove (14) is embedded A fastening bolt (16) is connected, a magnetic connection block (17) is fixedly connected to the bottom of the horizontal bar connection block (15), and a magnetic groove (18) is fixedly connected to the inner bottom of the installation groove (14). A horizontal bar (19) is fixedly connected to one side of the horizontal bar connecting block (15);所述装置底座(1)的前面底部固定连接有主支撑吸盘(20)，所述装置底座(1)的正面两侧固定连接有活动槽(21)，所述活动槽(21)的内部活动连接有活动块(22)，所述活动块(22)的后面活动连接有副支撑吸盘(23)，所述装置底座(1)的正面另一侧活动连接有第二活动块(24)。A main support suction cup (20) is fixedly connected to the front bottom of the device base (1), and movable grooves (21) are fixedly connected to both sides of the front of the device base (1). A movable block (22) is connected, the back of the movable block (22) is movably connected with a secondary support suction cup (23), and the other side of the front of the device base (1) is movably connected with a second movable block (24).2.根据权利要求1所述的一种体育锻炼引体向上训练装置，其特征在于：所述螺纹杆(3)与螺纹连接块(13)通过螺纹相互啮合，螺纹杆(3)共设有两根，两根螺纹杆(3)以装置底座(1)中间为轴对称分布，同时两螺纹杆(3)的纹路完全相反。2. A kind of physical exercise pull-up training device according to claim 1, characterized in that: the threaded rod (3) and the threaded connecting block (13) engage with each other through threads, and the threaded rod (3) is provided with a total of Two, two threaded rods (3) are distributed symmetrically with the middle of the device base (1) as the axis, and the lines of the two threaded rods (3) are completely opposite.3.根据权利要求1所述的一种体育锻炼引体向上训练装置，其特征在于：所述从动齿轮(4)与传动齿轮(5)相互啮合，传动握把(8)通过齿轮与活动轴(6)相连。3. A kind of physical exercise pull-up training device according to claim 1, characterized in that: the driven gear (4) and the transmission gear (5) are meshed with each other, and the transmission handle (8) is connected to the movable gear through the gear. The shaft (6) is connected.4.根据权利要求1所述的一种体育锻炼引体向上训练装置，其特征在于：所述中空座(9)和支撑座(10)的截面形状均呈矩形，且中空座(9)的内部设有矩形的中空腔，该矩形的中空腔的截面尺寸大于支撑座(10)的截面尺寸，支撑座(10)嵌在中空座(9)的内部。4. a kind of physical exercise pull-up training device according to claim 1, is characterized in that: the cross-sectional shape of described hollow seat (9) and support seat (10) is rectangular, and the hollow seat (9) A rectangular hollow cavity is provided inside, the cross-sectional dimension of the rectangular hollow cavity is larger than that of the support seat (10), and the support seat (10) is embedded in the hollow seat (9).5.根据权利要求1所述的一种体育锻炼引体向上训练装置，其特征在于：所述安装槽(14)和单杠连接块(15)的截面形状均呈矩形，单杠连接块(15)嵌在安装槽(14)的内部由紧固栓(16)固定。5. A kind of physical exercise pull-up training device according to claim 1, characterized in that: the cross-sectional shapes of the installation groove (14) and the horizontal bar connecting block (15) are all rectangular, and the horizontal bar connecting block (15) The interior of the mounting groove (14) is fixed by a fastening bolt (16).6.根据权利要求1所述的一种体育锻炼引体向上训练装置，其特征在于：所述磁性连接块(17)的截面形状呈矩形，磁性槽(18)的截面形状也呈矩形，磁性连接块(17)与磁性槽(18)相互配合使用。6. A kind of physical exercise pull-up training device according to claim 1 is characterized in that: the cross-sectional shape of the magnetic connecting block (17) is rectangular, the cross-sectional shape of the magnetic groove (18) is also rectangular, and the magnetic The connecting block (17) cooperates with the magnetic slot (18).7.根据权利要求1所述的一种体育锻炼引体向上训练装置，其特征在于：所述单杠(19)的外围套有中空柱状防护套层。7 . The pull-up training device for physical exercise according to claim 1 , wherein: the outer periphery of the horizontal bar ( 19 ) is covered with a hollow cylindrical protective cover layer. 8 .8.根据权利要求1所述的一种体育锻炼引体向上训练装置，其特征在于：所述主支撑吸盘(20)共设有四个，四个主支撑吸盘(20)分别设置在装置底座(1)的四个角。8. A kind of physical exercise pull-up training device according to claim 1, characterized in that: the main support suction cups (20) are provided with a total of four, and the four main support suction cups (20) are respectively arranged on the device base (1) four corners.9.根据权利要求1所述的一种体育锻炼引体向上训练装置，其特征在于：所述活动槽(21)和活动块(22)均设有两个，活动槽(21)和活动块(22)相互配合使用，活动块(22)嵌在活动槽(21)的内部。9. A kind of physical exercise pull-up training device according to claim 1, characterized in that: the movable groove (21) and the movable block (22) are provided with two, and the movable groove (21) and the movable block are provided with two. (22) are used in cooperation with each other, and the movable block (22) is embedded in the interior of the movable groove (21).10.根据权利要求1所述的一种体育锻炼引体向上训练装置，其特征在于：所述副支撑吸盘(23)共设有四个，一个活动块(22)配备两个副支撑吸盘(23)，副支撑吸盘(23)与活动块(22)通过螺纹相互连接。10. A physical exercise pull-up training device according to claim 1, characterized in that: the auxiliary support suction cups (23) are provided with a total of four, and a movable block (22) is equipped with two auxiliary support suction cups (23). 23), the auxiliary support suction cup (23) and the movable block (22) are connected to each other through threads.

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