CN211068925U - Stretching chair for muscle group at back of trunk - Google Patents
Stretching chair for muscle group at back of trunk Download PDFInfo
- Publication number
- CN211068925U CN211068925U CN201921853781.3U CN201921853781U CN211068925U CN 211068925 U CN211068925 U CN 211068925U CN 201921853781 U CN201921853781 U CN 201921853781U CN 211068925 U CN211068925 U CN 211068925U
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- Prior art keywords
- wall
- base
- shell
- rod
- left end
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- Expired - Fee Related
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- 210000003205 muscle Anatomy 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 244000309464 bull Species 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims 2
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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Abstract
The utility model discloses a stretching chair for muscle groups at the back of a trunk in the technical field of sports fitness equipment, which comprises a base, wherein an adjusting telescopic rod is fixedly arranged in the center of the top of the base, supports are arranged at the front sides of the left end and the right end of the top of the base, transverse through holes are arranged at the top and the bottom of the outer wall at the front side of an arc-shaped rotating plate, the left end of a rotating rod penetrates through the left support and is connected with a resistance adjusting piece, and the resistance adjusting piece is fixed at the left side of the top of the base, better achieves the purpose of stretching the muscles of the trunk back group and adapts to the exercise requirements of different people.
Description
Technical Field
The utility model relates to the technical field of sports fitness equipment, in particular to a stretching chair for muscle groups at the rear part of a trunk.
Background
In physical exercise, there are various means and methods for training the muscle groups of the upper and lower limbs, and less means and methods for training the muscle groups of the trunk are used. The use of the fitness equipment aiming at the back trunk muscle group proposed in the market at present has certain limitations, and therefore, a back trunk muscle group stretching chair is proposed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tensile chair of trunk rear portion muscle group to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: truck rear portion muscle group stretching chair, the on-line screen storage device comprises a base, the fixed telescopic link that is provided with in base top central authorities, and adjust the fixed seat that is provided with in telescopic link top, and seat top rear side is provided with the backup plate, base top left and right ends front side all is provided with the support, and two sets of supports all are located seat bottom front side, and is two sets of the activity is provided with the bull stick between the support, the bull stick outer wall is provided with the arc rotor plate, horizontal through-hole has all been seted up to arc rotor plate front side outer wall top and bottom, the bull stick left end runs through the left side support and is connected with the resistance adjustment piece, the resistance adjustment piece is fixed in base top.
Furthermore, adjust the telescopic link including fixing the loop bar at base top central authorities, loop bar top activity is pegged graft and is had the movable rod, the position activity that the loop bar rear side outer wall leaned on is pegged graft and is had the inserted bar, the inserted bar rear end is provided with draws the button, the inserted bar outer wall has cup jointed reset spring, and reset spring is located and draws between button and the loop bar, the blind hole that matches with the inserted bar is seted up to even equidistance down from last to the movable rod rear side outer wall.
Furthermore, the resistance adjusting part comprises a shell fixed on the left side of the top of the base, the left end of the rotating rod penetrates through the right side of the shell, a limit disc is sleeved on the left end of the rotating rod through threads, a conical friction block is sleeved on the left end of the rotating rod through threads, the conical friction block is positioned on the right side of the limit disc, supporting rods are arranged at the top and the bottom of the outer wall of the left side of the conical friction block, the other ends of the two groups of supporting rods penetrate through the left side of the shell and are connected with a driving hand wheel, an annular movable opening matched with the supporting rods is formed in the left side of the shell, inserts are fixedly arranged at the top and the bottom of the right side of the inner wall of the rear side of the shell, adjusting screws are inserted into opposite sides of the two groups of inserts in a threaded manner, connecting blocks are movably arranged on opposite sides of the two groups of the, and the installation pole is located the bull stick top, top and bottom the left end of installation pole all rotates through the round pin axle and is provided with the butt joint piece, and the equal joint in the relative one side of top and bottom butt joint piece has the fixed friction block of laminating mutually with the toper friction block.
Further, a guide sliding block is fixedly arranged at the bottom of the outer wall of the front side of the movable rod, a guide sliding groove matched with the guide sliding block is vertically formed in the inner wall of the front side of the sleeve rod, a reinforcing rib is arranged between the position, close to the upper portion, of the outer wall of the left side and the right side of the movable rod and the bottom of the seat plate, and a reinforcing rib is arranged between the position, close to the lower portion, of the outer wall of the left side and the right side.
Furthermore, one side of the fixed friction block, which is close to the abutting block, is provided with a T-shaped clamping groove, one side of the abutting block, which is close to the fixed friction block, is provided with an elastic T-shaped clamping block matched with the T-shaped clamping groove, and the front side of the shell is provided with a shell cover.
Furthermore, the bottom of the base is provided with an anti-slip pad, and the top of the seat plate and the front side of the backup plate are both provided with spongy cushions.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with an adjusting telescopic rod, can adjust the height according to the use requirement of users, when in use, the user sits on the seat board, two legs are separated and have the same width with the shoulder, bends over, holds the arc-shaped rotating plate by hands, then uses the hand to exert force to slowly drive the arc-shaped rotating plate to rotate, the force increases the buckling of the trunk through the other arm so as to achieve the purpose of stretching the rear muscle of the trunk, and simultaneously, the adjusting part of the resistance is also arranged, when in use, the hand wheel can be rotationally driven to drive the conical friction block to move according to the requirement, when the conical friction block moves towards the right side, the friction force is larger, so the resistance of the rotating rod is larger, the force exerted by the user when driving the arc-shaped rotating plate to rotate is different, the purpose of stretching the rear muscle of the trunk is better achieved, the adjusting device is suitable for the exercise requirements of different people, and meanwhile, the adjusting screw rod and the spring, can guarantee that fixed clutch blocks contacts toper clutch blocks all the time after using for a long time, fixed clutch blocks and butt piece joint simultaneously also conveniently change, guarantee long-term use needs, be applicable to family, work amusement and professional sports sportsman and use, satisfy people's life demand.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the adjusting telescopic rod of the present invention;
fig. 3 is a schematic structural view of the resistance adjusting member of the present invention.
In the figure: 1. a base; 101. a non-slip mat; 2. adjusting the telescopic rod; 21. a loop bar; 22. a movable rod; 23. inserting a rod; 24. pulling the button; 3. a seat plate; 4. a support; 5. a rotating rod; 51. a conical friction block; 52. a limiting disc; 53. driving a hand wheel; 6. an arc rotating plate; 7. a transverse through hole; 8. a resistance adjustment member; 81. a housing; 82. adjusting the screw rod; 83. a spring; 84. mounting a rod; 85. a butting block; 86. fixing the friction block; 9. a backup plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 fig. 1-3, the present invention provides a technical solution: referring to fig. 1, the chair for stretching muscle groups at the back of the trunk comprises a base 1, wherein an adjusting telescopic rod 2 is fixedly arranged at the center of the top of the base 1, a seat plate 3 is fixedly arranged at the top of the adjusting telescopic rod 2, a backup plate 9 is arranged on the rear side of the top of the seat plate 3, the adjusting telescopic rod 2 is adopted to facilitate adjustment according to the height of a user, the seat plate 3 and the backup plate 9 are both in the prior art, the chair is widely applied in the field, the structure and the principle of the chair are well known to those skilled in the art, and detailed description is omitted;
referring to fig. 1, supports 4 are arranged on the front sides of the left and right ends of the top of a base 1, the supports 4 can be fixed on the top of the base 1 by screws or bolts, two groups of the supports 4 are both positioned on the front side of the bottom of a seat plate 3, a rotating rod 5 is movably arranged between the two groups of the supports 4, the right end of the rotating rod 5 is movably connected with the right side support 4 through a bearing, the left end of the rotating rod 5 penetrates through the left side support 4, and a bearing is arranged at the joint of the rotating rod 5 and the left side support 4;
referring to fig. 1, an arc-shaped rotating plate 6 is arranged on the outer wall of a rotating rod 5, transverse through holes 7 are formed in the top and the bottom of the outer wall of the front side of the arc-shaped rotating plate 6, the rotating rod 5 can be driven to rotate by the rotation of the arc-shaped rotating plate 6, the arc-shaped rotating plate 6 and the transverse through holes 7 are widely matched in the prior art, a hand is used for pulling a handle of the arc-shaped rotating plate 6, then the arc-shaped rotating plate 6 is slowly driven to rotate by one hand, and the force increases the bending of a trunk through the other arm, so that the purpose of stretching the rear group muscles of the trunk is;
referring to fig. 1, the left end of the rotating rod 5 penetrates through the left bracket 4 and is connected with the resistance adjusting piece 8, so that the resistance of the rotating arc-shaped rotating plate 6 can be adjusted conveniently according to the needs of users, and the resistance adjusting piece 8 is fixed on the left side of the top of the base 1.
As shown in fig. 2: the adjusting telescopic rod 2 comprises a sleeve rod 21 fixed at the center of the top of the base 1, a fixing mode of a screw or a bolt can be adopted, a movable rod 22 is movably inserted at the top of the sleeve rod 21, a movable hole matched with the movable rod 22 is formed at the top of the sleeve rod 21, the top of the movable rod 22 is fixed with the bottom of the seat plate 3 in a fixing mode of a screw or a bolt, an inserting rod 23 is movably inserted at the position, close to the upper part, of the outer wall at the rear side of the sleeve rod 21, a pull button 24 is arranged at the rear end of the inserting rod 23, a reset spring is sleeved on the, a reset spring is positioned between the pull button 24 and the loop bar 21, one end of the reset spring is fixed with the outer wall of the rear side of the loop bar 21, the other end of the reset spring is fixed with the front end of the pull button 24, the reset spring is used for pulling the inserting rod 23 to reset towards the rear side, blind holes matched with the inserting rod 23 are uniformly and equidistantly formed in the outer wall of the rear side of the movable rod 22 from top to bottom, and the inserting rod 23 is inserted into the blind holes at different positions, so that telescopic adjustment and fixation are realized;
as shown in fig. 3: the resistance adjusting part 8 comprises a shell 81 fixed on the left side of the top of the base 1, a fixing mode of screws or bolts can be adopted, the left end of a rotating rod 5 penetrates through the right side of the shell 81, a bearing is arranged at the joint of the rotating rod 5 and the shell 81, a limiting disc 52 is sleeved on the left end of the rotating rod 5 through threads, the limiting disc 52 is used for limiting the position of a conical friction block 51, so that the conical friction block 51 can not be separated from the rotating rod 5 when moving, the conical friction block 51 is sleeved on the left end of the rotating rod 5 through the threads, a threaded hole is formed in the conical friction block 51, external threads matched with the threaded hole are formed in the left end of the outer wall of the rotating rod 5, the conical friction block 51 is positioned on the right side of the limiting disc 52, supporting rods are arranged on the top and the bottom of the outer wall of the left side of the conical friction block 51, the other, the left side of a shell 81 is provided with an annular movable opening matched with the support rod to facilitate the rotation of the support rod, the top and the bottom of the right side of the inner wall of the rear side of the shell 81 are both fixedly provided with inserts, one side of the opposite sides of the two sets of inserts is both in threaded insertion connection with an adjusting screw 82, the inserts are provided with screw holes matched with the adjusting screw 82, one side of the opposite sides of the two sets of adjusting screws 82 is both movably provided with a connecting block through a bearing, the adjusting screw 82 can rotate without influencing the connecting block through the movable arrangement of the bearing, one side of the opposite sides of the top and the bottom connecting blocks is both connected with an installation rod 84 through a spring 83, the spring 83 enables a fixed friction block 86 to always contact with a conical friction block 51, the right end of the installation rod 84 is rotatably connected with the inner wall of the rear side of the shell 81 through a pin shaft, the installation rod 84 is positioned above a rotating rod 5, the left ends of the top and bottom, the driving hand wheel 53 is rotated to drive the conical friction block 51 to move, the farther the conical friction block 51 moves towards the right side, the more the conical friction block moves towards the right side, the larger the friction force is, the larger the rotation resistance of the rotating rod 5 is, so that the force applied by a user when driving the arc-shaped rotating plate 6 to rotate is different, and the purpose of stretching the back group muscles of the trunk is better achieved;
as shown in fig. 2: a guide sliding block is fixedly arranged at the bottom of the outer wall of the front side of the movable rod 22, a guide sliding groove matched with the guide sliding block is vertically formed in the inner wall of the front side of the sleeve rod 21, the guide sliding block and the guide sliding groove are matched, the stability of the movable rod 22 in up-and-down movement is guaranteed, meanwhile, the insertion rod 23 is conveniently matched with the blind hole, a reinforcing rib is arranged between the position, close to the upper part, of the outer wall of the left side and the right side of the movable rod 22 and the bottom of the seat plate 3, a reinforcing rib is arranged between the position, close to the lower part, of the outer wall of the left side and the right side;
as shown in fig. 3: a T-shaped clamping groove is formed in one side, close to the abutting block 85, of the fixed friction block 86, an elastic T-shaped clamping block (the T-shaped clamping block and the T-shaped clamping groove are not shown in the figures) matched with the T-shaped clamping groove is arranged on one side, close to the fixed friction block 86, of the abutting block 85, the T-shaped clamping block is made of elastic rubber materials, the fixed friction block 86 is installed and connected through the T-shaped clamping block and the T-shaped clamping groove in a matched mode, replacement and the like after long-term use are facilitated, a shell cover is arranged on the front side of the shell 81 and facilitates maintenance or replacement of internal structures, the shell cover can be installed on the shell 81 in a rotatable opening and closing mode in a hinge mode or can be detachably installed on the shell 81 in a screw and buckle mode, the installation structures are widely applied in the field, and can be;
as shown in fig. 1: the bottom of the base 1 is provided with the non-slip mat 101, the stability of placing the pull rope chair is improved, the top of the seat plate 3 and the front side of the backup plate 9 are both provided with spongy cushions, and the comfort can be improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Tensile chair of trunk rear portion muscle group, including base (1), its characterized in that: the adjustable seat is characterized in that an adjusting telescopic rod (2) is fixedly arranged at the center of the top of the base (1), a seat plate (3) is fixedly arranged at the top of the adjusting telescopic rod (2), a backup plate (9) is arranged on the rear side of the top of the seat plate (3), supports (4) are arranged on the front sides of the left end and the right end of the top of the base (1), two sets of supports (4) are arranged on the front side of the bottom of the seat plate (3) respectively, a rotating rod (5) is movably arranged between the supports (4), an arc-shaped rotating plate (6) is arranged on the outer wall of the rotating rod (5), transverse through holes (7) are formed in the top and the bottom of the outer wall of the front side of the arc-shaped rotating plate (6), the left end of the rotating rod (5) penetrates through the left support (4) and is.
2. The posterior torso stretching chair of claim 1, wherein: adjust telescopic link (2) including fixing loop bar (21) at base (1) top central authorities, loop bar (21) top activity is pegged graft and is had movable rod (22), loop bar (21) rear side outer wall is leaned on the position activity and is pegged graft and have inserted bar (23), inserted bar (23) rear end is provided with draws button (24), reset spring has been cup jointed to inserted bar (23) outer wall, and reset spring is located and draws between button (24) and loop bar (21), the blind hole of matcing with inserted bar (23) is seted up from last to even equidistance down to movable rod (22) rear side outer wall.
3. The posterior torso stretching chair of claim 1, wherein: the resistance adjusting piece (8) comprises a shell (81) fixed on the left side of the top of the base (1), the left end of the rotating rod (5) penetrates through the right side of the shell (81), a limiting disc (52) is sleeved on the left end of the rotating rod (5) in a threaded manner, a conical friction block (51) is sleeved on the left end of the rotating rod (5) in a threaded manner, the conical friction block (51) is positioned on the right side of the limiting disc (52), supporting rods are arranged at the top and the bottom of the outer wall of the left side of the conical friction block (51), the other ends of the two groups of the supporting rods penetrate through the left side of the shell (81) and are connected with a driving hand wheel (53), an annular movable port matched with the supporting rods is formed in the left side of the shell (81), inserts are fixedly arranged at the top and the bottom of the right side of the inner wall of the rear side of the shell (81), adjusting screw rods (82, relative one side of top and bottom connecting block all is connected with installation pole (84) through spring (83), and installs pole (84) right-hand member and rotate with casing (81) rear side inner wall through the round pin axle and be connected, and installs pole (84) and be located bull stick (5) top, top and bottom the left end of installation pole (84) all rotates through the round pin axle and is provided with butt joint piece (85), and top and bottom butt joint piece (85) equal joint in relative one side have with toper clutch blocks (51) fixed friction piece (86) of laminating mutually.
4. The posterior torso stretching chair of claim 2, wherein: the fixed direction slider that is provided with in activity pole (22) front side outer wall bottom, and the vertical direction spout of seting up with the direction slider matching of loop bar (21) front side inner wall, be provided with the strengthening rib between the position that the lateral wall leaned on about activity pole (22) and seat (3) bottom, be provided with the strengthening rib between the position that the lateral wall leaned on and base (1) top about loop bar (21).
5. The posterior torso stretching chair of claim 3, wherein: one side of the fixed friction block (86) close to the abutting block (85) is provided with a T-shaped clamping groove, one side of the abutting block (85) close to the fixed friction block (86) is provided with an elastic T-shaped clamping block matched with the T-shaped clamping groove, and the front side of the shell (81) is provided with a shell cover.
6. The posterior torso stretching chair of claim 1, wherein: the anti-slip seat is characterized in that an anti-slip pad (101) is arranged at the bottom of the base (1), and spongy cushions are arranged on the top of the seat plate (3) and the front side of the backup plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921853781.3U CN211068925U (en) | 2019-10-31 | 2019-10-31 | Stretching chair for muscle group at back of trunk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921853781.3U CN211068925U (en) | 2019-10-31 | 2019-10-31 | Stretching chair for muscle group at back of trunk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211068925U true CN211068925U (en) | 2020-07-24 |
Family
ID=71643431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921853781.3U Expired - Fee Related CN211068925U (en) | 2019-10-31 | 2019-10-31 | Stretching chair for muscle group at back of trunk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211068925U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116712711A (en) * | 2023-07-27 | 2023-09-08 | 江西中阳电器有限公司 | A multifunctional treadmill |
| CN117224899A (en) * | 2023-11-03 | 2023-12-15 | 昆山亚新鸿运动科技有限公司 | A multifunctional dynamic bicycle and resistance control system |
-
2019
- 2019-10-31 CN CN201921853781.3U patent/CN211068925U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116712711A (en) * | 2023-07-27 | 2023-09-08 | 江西中阳电器有限公司 | A multifunctional treadmill |
| CN116712711B (en) * | 2023-07-27 | 2025-10-10 | 江西中阳电器有限公司 | A multifunctional treadmill |
| CN117224899A (en) * | 2023-11-03 | 2023-12-15 | 昆山亚新鸿运动科技有限公司 | A multifunctional dynamic bicycle and resistance control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 Termination date: 20211031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |