CN215995455U - Constant-torque generator and real-time constant-force chest expander - Google Patents
Constant-torque generator and real-time constant-force chest expander Download PDFInfo
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- CN215995455U CN215995455U CN202121886987.3U CN202121886987U CN215995455U CN 215995455 U CN215995455 U CN 215995455U CN 202121886987 U CN202121886987 U CN 202121886987U CN 215995455 U CN215995455 U CN 215995455U
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Abstract
The utility model provides a constant torque generator and a real-time constant force chest developer, wherein the constant torque generator comprises: a rotatable power take-off; and one end of the constant force coil spring is fixed, and the other end of the constant force coil spring is fixed on the power output piece. The real-time constant force chest expander comprises: a rotatable shaft; the winding wheel is wound with a pull rope and can drive the rotating shaft to rotate; the independent constant-torque generator comprises a rotatable power output piece and at least one constant-force coil spring, the power output piece is in power connection with the rotating shaft, the at least one constant-force coil spring is arranged beside the power output piece, one end of each constant-force coil spring is fixed, and the other end of each constant-force coil spring is fixed on the power output piece. The utility model can replace heavy objects to generate torsion and tension, and has the advantages of portability, space saving, easy storage, low cost, adjustability, real-time constant force and the like.
Description
Technical Field
The utility model relates to a constant-torque generator for providing force by utilizing a coil spring, which can be applied to the technical fields of fitness equipment, machinery industry, aerospace, automobiles and the like.
Background
The existing tension apparatus, for example, a chest clamping trainer commonly used in gymnasiums, is provided with resistance by the traction of a metal weight. More commonly, dumbbells and barbell plates are also made of metal to provide varying amounts of weight. And a large amount of metal materials are used, so that the fitness equipment has the defects of heavy weight, difficulty in moving and high cost, and the metal dumbbells and barbell discs have the risk of injury in the processes of carrying and storing, thereby being a great obstacle for preventing the strength fitness equipment from entering families.
Different from other tension apparatuses on the market, the utility model aims to provide adjustable real-time constant force, so that a user or an object can be subjected to the same force at different speeds, and a better training effect or more stable output can be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a constant torque generator and a real-time constant force chest expander, which use a coil spring to provide force, and aims to reduce the use amount of metal so as to save cost and reduce weight and simultaneously provide adjustable real-time constant force.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a constant torque generator, comprising:
a rotatable power take-off;
and the constant force coil spring is arranged beside the power output part, one end of the constant force coil spring is fixed, and the other end of the constant force coil spring is fixed on the power output part.
The constant torque generator, wherein: the power output part is an auxiliary output wheel, a rotating shaft capable of rotating freely relatively penetrates through the auxiliary output wheel, and the auxiliary output wheel and the rotating shaft are in power connection through a clutch device.
The constant torque generator, wherein: the clutch device is characterized in that meshing teeth are formed on one end face of each auxiliary output wheel, a transmission fluted disc capable of sliding on the rotating shaft is arranged on one side of each auxiliary output wheel, and the transmission fluted disc and the rotating shaft can keep synchronous rotation; one end of the transmission fluted disc is provided with transmission teeth, and the transmission teeth and the meshing teeth of the auxiliary output wheel are oppositely arranged and can form meshing when being close to each other.
The constant torque generator, wherein: and the clamping teeth are correspondingly matched with the clamping grooves, so that the transmission fluted disc and the rotating shaft can keep synchronous rotation.
The constant torque generator, wherein: the transmission fluted disc is connected with an elastic piece, so that transmission teeth of the transmission fluted disc are separated from meshing teeth of the auxiliary output wheel under a normal state;
an insert piece capable of being cut in radially is arranged on the radial outer side of each transmission fluted disc, and one end, facing the transmission fluted disc, of the insert piece is an insert blade with a slope.
The constant torque generator, wherein: the other end of inserted sheet is equipped with the tooth row and locate the cutting ferrule in the slidable, and the cutting ferrule is fixed, is equipped with the gear that can stir or can pass through the knob rotating on the cutting ferrule, the gear with the tooth row meshing of inserted sheet.
The constant torque generator, wherein: the power output piece is an independent output wheel, a rotating shaft penetrates through the independent output wheel, and the independent output wheel and the rotating shaft can rotate synchronously.
The constant torque generator, wherein: the clamping teeth are formed on the inner peripheral side of the independent output wheel, the clamping grooves are correspondingly formed on the outer peripheral side of the rotating shaft, and the clamping teeth are correspondingly matched with the clamping grooves, so that the independent output wheel and the rotating shaft can keep synchronous rotation.
The constant torque generator, wherein: the power output member and the at least one constant force coil spring are located on the same plane.
The constant torque generator, wherein: also included are two panels between which the pto and the constant force coil spring are positioned.
A real-time constant force chest expander, comprising:
a rotatable shaft;
the winding wheel is wound with a pull rope and can drive the rotating shaft to rotate;
the independent constant-torque generator comprises a rotatable power output piece and at least one constant-force coil spring, the power output piece is in power connection with the rotating shaft, the at least one constant-force coil spring is arranged beside the power output piece, one end of each constant-force coil spring is fixed, and the other end of each constant-force coil spring is fixed on the power output piece.
The real-time constant-force chest expander is characterized in that a power output part of the independent constant-torque generator is an independent output wheel, a clamping tooth is formed on the inner peripheral side of the independent output wheel, a clamping groove is correspondingly formed on the outer peripheral side of the rotating shaft, and the clamping tooth is correspondingly matched with the clamping groove, so that the independent output wheel and the rotating shaft can keep synchronous rotation.
The real-time constant force chest expander, wherein, the inner periphery side of take-up pulley is equipped with the latch to with the draw-in groove of pivot corresponds the cooperation, and makes the take-up pulley drive the synchronous rotation of pivot.
The real-time constant-force chest expander is characterized in that at least one auxiliary constant-torque generator is further arranged, the auxiliary constant-torque generator comprises a rotatable auxiliary output wheel and at least one constant-force coil spring, the at least one constant-force coil spring of the auxiliary constant-torque generator is arranged beside the auxiliary output wheel, one end of the auxiliary output wheel is fixed, the other end of the auxiliary output wheel is fixed on the auxiliary output wheel, and each auxiliary output wheel is in power connection with the rotating shaft through a clutch device.
The real-time constant force chest expander is characterized in that the clutch device has the following structure:
the end face of one end of each auxiliary output wheel is provided with meshing teeth, one side of each auxiliary output wheel is provided with a transmission fluted disc capable of sliding on the rotating shaft, and the transmission fluted disc can synchronously rotate with the rotating shaft; one end of the transmission fluted disc is provided with a transmission tooth, and the transmission tooth and the meshing tooth of the auxiliary constant-torque generator are oppositely arranged and can form meshing when approaching each other.
The real-time constant force chest expander, wherein: and the clamping teeth are correspondingly matched with the clamping grooves, so that the transmission fluted disc and the rotating shaft can keep synchronous rotation.
The real-time constant force chest expander, wherein: the transmission fluted disc is connected with an elastic piece, so that the transmission teeth of the transmission fluted disc are separated from the meshing teeth of the auxiliary constant-torque generator under a normal state;
an insert piece capable of being cut in radially is arranged on the radial outer side of each transmission fluted disc, and one end, facing the transmission fluted disc, of the insert piece is an insert blade with a slope.
The real-time constant force chest expander, wherein: the other end of inserted sheet is equipped with the tooth row and locate the cutting ferrule in the slidable, and the cutting ferrule is fixed, is equipped with the gear that can stir or can pass through the knob rotating on the cutting ferrule, the gear with the tooth row meshing of inserted sheet.
The real-time constant force chest expander, wherein: the rotating shaft is fixed on the support, and the support is provided with a sucker.
The real-time constant force chest expander is characterized in that the clutch device has the following structure: a toggle mechanism is connected to the transmission fluted disc, and can be linked with the toggle mechanism through an external operating part to control the transmission fluted disc to axially move on the rotating shaft so as to achieve the clutch effect.
The real-time constant force chest expander is characterized in that the clutch device has the following structure: the meshing teeth of the auxiliary output wheel are input bevel teeth, the transmission teeth of the transmission fluted disc are output bevel teeth, the axial distance between the transmission fluted disc and the auxiliary output wheel is fixed, a bevel fluted disc capable of moving radially is arranged on one side of the input bevel teeth and one side of the output bevel teeth, the bevel fluted disc can be linked through an operating part arranged outside, and the control bevel fluted disc is meshed with the input bevel teeth and the output bevel teeth simultaneously to form transmission or is disengaged to disconnect transmission.
The adjustable constant torque and tension device can replace heavy objects to generate adjustable constant torque and tension, and has the advantages of light weight, space saving, easiness in storage, low cost, adjustability, real-time constant force and the like.
Drawings
Fig. 1 is a schematic view of the overall structure of an auxiliary constant-torque generator.
Fig. 2 is a schematic diagram of the internal structure of the auxiliary constant-torque generator.
Fig. 3 is a schematic diagram of the construction of an auxiliary output wheel of the auxiliary constant torque generator.
Fig. 4 is a schematic view of the overall structure of the independent constant-torque generator.
Fig. 5 is a schematic diagram of the construction of the individual output wheels of the individual constant torque generators.
Fig. 6 is a schematic structural view of the rotating shaft.
Fig. 7 is a schematic diagram of the overall structure of the real-time constant-force chest expander.
Fig. 8 is a schematic structural view of the winding wheel.
Fig. 9 is a schematic view of the state in which the auxiliary output wheel of the auxiliary constant torque generator is engaged with the transmission gear plate.
Fig. 10 is a schematic structural view of the clutch device.
FIG. 11 is a schematic view showing the clutch device in a state where the male tab is extended.
Fig. 12 is a schematic view of another construction of the clutch device.
Fig. 13 is a schematic view of another structure of the clutch device.
Description of reference numerals: an auxiliary constant torque generator 10; a panel 11; a support column 12; an auxiliary output wheel 13; an input bevel gear 131; a constant force coil spring 14; a connecting column 15; a rotating shaft 20; a radial hole 22; a card slot 25; an independent constant torque generator 30; an independent output wheel 33; a latch 35; a take-up reel 40; a clutch device 60; a transmission toothed disc 61; a fixed portion 611; output bevel gear 612; an insert 62; an insert blade 621; a row of teeth 622; a ferrule 63; a gear 64; a toggle mechanism 65; a knob 66; a bevel gear disk 67; a bracket 90; a suction cup 91.
Detailed Description
The utility model aims to provide an adjustable real-time constant-force chest expander, as shown in fig. 7, an independent constant-torque generator 30 is arranged on a rotating shaft 20 to form a basic constant-force chest expander, a plurality of auxiliary constant-torque generators 10 are arranged on the rotating shaft 20, and an operable clutch device 60 is adopted to enable the auxiliary constant-torque generators 10 and the rotating shaft 20 to switch the power on-off relationship so as to provide real-time constant-force chests with different step sizes for a user to select.
As shown in fig. 1, 2, 3 and 6, the auxiliary constant torque generator 10 of the present invention includes:
two oppositely arranged panels 11, which are fixedly connected by a support column 12 and a connecting column 15;
a rotation shaft 20 passing through the two panels 11 in a vertical direction;
an auxiliary output wheel 13 which is arranged between the two panels 11 and is freely rotatably sleeved on the rotating shaft 20, and one-way meshing teeth are formed on the end face of one end of the auxiliary output wheel 13;
four support columns 12 fixed between the two panels 11 and arranged around the periphery of the auxiliary output wheel 13;
four constant force coil springs 14 are fixed and wound on one support pole 12 at one end and fixed on the auxiliary output wheel 13 at the other end.
In this way, when the auxiliary output wheel 13 rotates under tension, the four constant force coil springs 14 are deformed to provide a resisting torque to the auxiliary output wheel 13, i.e. the auxiliary constant torque generator 10 can provide a reverse tension. In practice, the number of constant force coil springs 14 is not limited to four and may be one, two, three, four, five, six, seven, eight, and more. By using different numbers of constant force coil springs 14, the torque provided by the auxiliary constant torque generator 10 can be stepped.
As shown in fig. 4, 5, and 6, the independent constant torque generator 30 of the present invention is different from the auxiliary constant torque generator 10 in that:
the auxiliary output wheel 13 is replaced by an independent output wheel 33, the independent output wheel 33 is not provided with one-way meshing teeth any more, a latch 35 is formed on the inner peripheral side of the independent output wheel 33, a slot 25 is correspondingly formed on the outer peripheral side of the rotating shaft 20, and when the independent output wheel 33 is sleeved with the rotating shaft 20, the independent output wheel 33 and the rotating shaft 20 keep synchronous rotation by means of corresponding matching of the latch 35 and the slot 25.
Fig. 7 is a schematic diagram of the overall structure of the real-time constant-force chest expander provided by the present invention, wherein:
the rotating shaft 20 is rotatably disposed on the bracket 90;
an independent constant torque generator 30, four auxiliary constant torque generators 10 (two auxiliary constant torque generators 10 on the left side are removed for the sake of clarity of the internal details) and a take-up reel 40 are arranged on the rotary shaft 20; a clutch device 60 is arranged between the auxiliary output wheel 13 of each auxiliary constant-torque generator 10 and the rotating shaft 20, so that the auxiliary output wheel 13 of each auxiliary constant-torque generator 10 can be selectively connected with the rotating shaft 20 or disconnected with the rotating shaft 20; thus providing a plurality of groups of pulling forces with different sizes. Of course, the number of the independent constant torque generators 30 and the auxiliary constant torque generators 10 on the rotating shaft 20 is not limited to that shown in the above embodiment, and the actual number can be freely increased or decreased according to actual needs.
As shown in fig. 8, the inner circumference of the winding wheel 40 is provided with the latch 35, so as to correspondingly cooperate with the latch slot 25 of the rotating shaft 20, so that the winding wheel 40 can drive the rotating shaft 20 to rotate synchronously. A cord (not shown) can be wound around the outer periphery of the winding wheel 40, and the winding wheel 40 can be rotated by pulling the cord, thereby rotating the rotating shaft 20 in synchronization.
As shown in fig. 7, 9, 10, and 11, the clutch device 60 has the following structure:
the axial position of each auxiliary constant torque generator 10 is fixed, and a transmission toothed disc 61 capable of sliding on the rotating shaft 20 is arranged at one side of each auxiliary constant torque generator 10, and the inner peripheral side of the transmission toothed disc 61 is provided with the latch 35 (not shown) to rotate synchronously with the rotating shaft 20;
one end of the transmission fluted disc 61 is provided with one-way transmission teeth which are arranged opposite to one-way meshing teeth of the auxiliary constant-torque generator 10 and can be meshed with the one-way meshing teeth;
two fixing portions 611 are disposed on the transmission toothed plate 61, and one end of an elastic member (e.g., a tension spring, not shown) can be suspended, and the other end of the elastic member can be fixed to the radial hole 22 of the rotating shaft 20, so that the unidirectional transmission teeth of the transmission toothed plate 61 and the unidirectional engagement teeth of the auxiliary constant torque generator 10 are separated from each other in a normal state;
an insert 62 is arranged at the radial outer side of each transmission fluted disc 61, one end of the insert 62 facing the transmission fluted disc 61 is an insert edge 621 with a slope, the other end is provided with a row of teeth 622 and is slidably arranged in a cutting sleeve 63, the cutting sleeve 63 is fixed, a gear 64 which can be shifted or can be rotated by a knob 66 is arranged on the cutting sleeve 63, the gear 64 is meshed with the row of teeth 622 of the insert 62, the gear 64 is shifted by fingers to rotate, the insert 62 can be controlled to radially move relative to the transmission fluted disc 61, when the insert 62 moves downwards, the transmission fluted disc 61 can be pushed to axially move by the abutment of the slope of the insert edge 621 and the transmission fluted disc 61, so that the one-way transmission teeth on the transmission fluted disc 61 are meshed with the one-way meshing teeth of the auxiliary constant torque generator 10, and when the fluted disc moves upwards, the transmission fluted disc 61 is pushed to axially move in the other direction under the action of an elastic element, the one-way transmission teeth on the transmission toothed disc 61 are disengaged from the one-way engagement teeth of the auxiliary constant torque generator 10.
As shown in fig. 12, it is another possible structure of the clutch device 60: a toggle mechanism 65 (such as a toggle lever, a link mechanism, etc.) is connected to the transmission gear disc 61, and the toggle mechanism 65 is linked by an operating element such as an external toggle button, etc., so as to control the transmission gear disc 61 to move axially on the rotating shaft 20, thereby achieving a clutch effect. In this embodiment, the elastic member may be disposed or may not be disposed.
As shown in fig. 13, it is yet another possible structure of the clutch device 60: the one-way meshing teeth of the auxiliary output wheel 13 of the auxiliary constant torque generator 10 are input bevel teeth 131, the one-way transmission teeth of the transmission fluted disc 61 are output bevel teeth 612, and the axial distance between the transmission fluted disc 61 and the auxiliary output wheel 13 is fixed, at this time, one side of the input bevel teeth 131 and one side of the output bevel teeth 612 are provided with bevel fluted discs 67 capable of radially acting, the bevel fluted discs 67 are linked and driven by operating elements such as buttons arranged outside, and the like, so that the bevel fluted discs 67 are controlled to be simultaneously meshed with the input bevel teeth 131 and the output bevel teeth 612 to form transmission, or simultaneously disengaged to disconnect transmission.
As shown in fig. 7, two suction cups 91 can be fixed on the support 90, the support 90 can be conveniently fixed on a smooth surface by the suction cups 91, and at this time, by pulling the pulling rope (equipped with a handle and a pulley) on the winding wheel 40, the resistance provided by the independent constant torque generator 30 and the auxiliary constant torque generator 10 can be used for various exercise actions, and the device has the advantages of lightness, space saving, easy storage, low cost, adjustability, real-time constant force and the like. Meanwhile, the operation of each clutch device 60 can make the auxiliary constant-torque generators 10 with different numbers and different torques participate in the work, so as to provide the resistance of each grade gradient and adapt to different requirements of trainers with different strength bases.
The utility model can be applied to the technical fields of mechanical industry, spaceflight, automobiles and the like besides the fitness equipment, and has the technical effect of replacing heavy objects.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (22)
1. A constant torque generator, comprising:
a rotatable power take-off;
at least one constant force coil spring which is arranged beside the power output piece, wherein one end of the constant force coil spring is fixed, and the other end of the constant force coil spring is fixed on the power output piece;
the power output part is an auxiliary output wheel, a rotating shaft capable of rotating freely relative to the auxiliary output wheel penetrates through the auxiliary output wheel, and the auxiliary output wheel and the rotating shaft are in power connection through a clutch device.
2. A constant torque generator according to claim 1, wherein: the clutch device is characterized in that meshing teeth are formed on one end face of each auxiliary output wheel, a transmission fluted disc capable of sliding on the rotating shaft is arranged on one side of each auxiliary output wheel, and the transmission fluted disc and the rotating shaft can keep synchronous rotation; one end of the transmission fluted disc is provided with transmission teeth, and the transmission teeth and the meshing teeth of the auxiliary output wheel are oppositely arranged and can form meshing when being close to each other.
3. A constant torque generator according to claim 2, wherein: and the clamping teeth are correspondingly matched with the clamping grooves, so that the transmission fluted disc and the rotating shaft can keep synchronous rotation.
4. A constant torque generator according to claim 2, wherein: the transmission fluted disc is connected with an elastic piece, so that transmission teeth of the transmission fluted disc are separated from meshing teeth of the auxiliary output wheel under a normal state;
an insert piece capable of being cut in radially is arranged on the radial outer side of each transmission fluted disc, and one end, facing the transmission fluted disc, of the insert piece is an insert blade with a slope.
5. The constant torque generator according to claim 4, wherein: the other end of inserted sheet is equipped with the tooth row and locate the cutting ferrule in the slidable, and the cutting ferrule is fixed, is equipped with the gear that can stir or can pass through the knob rotating on the cutting ferrule, the gear with the tooth row meshing of inserted sheet.
6. A constant torque generator according to any of claims 1-5, wherein: also included are two panels between which the pto and the constant force coil spring are positioned.
7. A constant torque generator according to claim 1, wherein: the power output member and the at least one constant force coil spring are located on the same plane.
8. A constant torque generator, comprising:
a rotatable power take-off;
at least one constant force coil spring which is arranged beside the power output piece, wherein one end of the constant force coil spring is fixed, and the other end of the constant force coil spring is fixed on the power output piece;
the power output part is an independent output wheel, a rotating shaft penetrates through the independent output wheel, and the independent output wheel and the rotating shaft can rotate synchronously.
9. A constant torque generator according to claim 8, wherein: the clamping teeth are formed on the inner peripheral side of the independent output wheel, the clamping grooves are correspondingly formed on the outer peripheral side of the rotating shaft, and the clamping teeth are correspondingly matched with the clamping grooves, so that the independent output wheel and the rotating shaft can keep synchronous rotation.
10. A constant torque generator according to claim 8, wherein: the power output member and the at least one constant force coil spring are located on the same plane.
11. A constant torque generator according to any of claims 8-10, wherein: also included are two panels between which the pto and the constant force coil spring are positioned.
12. A real-time constant force chest expander, comprising:
a rotatable shaft;
the winding wheel is wound with a pull rope and can drive the rotating shaft to rotate;
the independent constant-torque generator comprises a rotatable power output piece and at least one constant-force coil spring, the power output piece is in power connection with the rotating shaft, the at least one constant-force coil spring is arranged beside the power output piece, one end of each constant-force coil spring is fixed, and the other end of each constant-force coil spring is fixed on the power output piece.
13. The real-time constant force chest expander according to claim 12, wherein the power output member of the independent constant torque generator is an independent output wheel, a latch is formed on an inner peripheral side of the independent output wheel, a slot is correspondingly formed on an outer peripheral side of the rotary shaft, and the latch is correspondingly engaged with the slot so that the independent output wheel and the rotary shaft can keep synchronous rotation.
14. The device as claimed in claim 13, wherein the winding wheel has a plurality of teeth formed on an inner circumference thereof and engaged with the engaging grooves of the shaft to rotate the shaft synchronously.
15. The real-time constant force chest expander according to claim 12, wherein at least one auxiliary constant torque generator is further provided, said auxiliary constant torque generator comprising a rotatable auxiliary output wheel and at least one constant force coil spring, said at least one constant force coil spring of said auxiliary constant torque generator being disposed beside said auxiliary output wheel and being fixed at one end and at the other end to said auxiliary output wheel, each of said auxiliary output wheels being in power connection with said rotary shaft via a clutch device.
16. The real-time constant force chest expander according to claim 15, wherein said clutch means is configured as follows:
the end face of one end of each auxiliary output wheel is provided with meshing teeth, one side of each auxiliary output wheel is provided with a transmission fluted disc capable of sliding on the rotating shaft, and the transmission fluted disc can synchronously rotate with the rotating shaft; one end of the transmission fluted disc is provided with a transmission tooth, and the transmission tooth and the meshing tooth of the auxiliary constant-torque generator are oppositely arranged and can form meshing when approaching each other.
17. The real-time constant force chest expander of claim 16, wherein: and the clamping teeth are correspondingly matched with the clamping grooves, so that the transmission fluted disc and the rotating shaft can keep synchronous rotation.
18. The real-time constant force chest expander of claim 16, wherein: the transmission fluted disc is connected with an elastic piece, so that the transmission teeth of the transmission fluted disc are separated from the meshing teeth of the auxiliary constant-torque generator under a normal state;
an insert piece capable of being cut in radially is arranged on the radial outer side of each transmission fluted disc, and one end, facing the transmission fluted disc, of the insert piece is an insert blade with a slope.
19. The real-time constant force chest expander of claim 18, wherein: the other end of inserted sheet is equipped with the tooth row and locate the cutting ferrule in the slidable, and the cutting ferrule is fixed, is equipped with the gear that can stir or can pass through the knob rotating on the cutting ferrule, the gear with the tooth row meshing of inserted sheet.
20. The real-time constant force chest expander of claim 12, wherein: the rotating shaft is fixed on the support, and the support is provided with a sucker.
21. The real-time constant force chest expander according to claim 16, wherein said clutch means is configured as follows: a toggle mechanism is connected to the transmission fluted disc, and can be linked with the toggle mechanism through an external operating part to control the transmission fluted disc to axially move on the rotating shaft so as to achieve the clutch effect.
22. The real-time constant force chest expander according to claim 16, wherein said clutch means is configured as follows: the meshing teeth of the auxiliary output wheel are input bevel teeth, the transmission teeth of the transmission fluted disc are output bevel teeth, the axial distance between the transmission fluted disc and the auxiliary output wheel is fixed, a bevel fluted disc capable of moving radially is arranged on one side of the input bevel teeth and one side of the output bevel teeth, the bevel fluted disc can be linked through an operating part arranged outside, and the control bevel fluted disc is meshed with the input bevel teeth and the output bevel teeth simultaneously to form transmission or is disengaged to disconnect transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121886987.3U CN215995455U (en) | 2021-08-12 | 2021-08-12 | Constant-torque generator and real-time constant-force chest expander |
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| CN202121886987.3U CN215995455U (en) | 2021-08-12 | 2021-08-12 | Constant-torque generator and real-time constant-force chest expander |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023015401A1 (en) * | 2021-08-12 | 2023-02-16 | 李思萍 | Constant torsion force generator and real-time constant-force chest expander |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023015401A1 (en) * | 2021-08-12 | 2023-02-16 | 李思萍 | Constant torsion force generator and real-time constant-force chest expander |
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