Multifunctional household wall-mounted arm strength fitness equipment
Technical Field
The invention relates to fitness equipment, in particular to multifunctional household wall-mounted arm strength fitness equipment.
Background
At present, due to the fact that physical exercises are lacked in work, study and the like, people go home without related fitness equipment, and large fitness equipment is not allowed to be placed in the space of the home, so that the space is not occupied, and the physical exercises of people are increased. Therefore, the multifunctional household wall-mounted arm strength fitness equipment is designed.
Disclosure of Invention
The invention provides multifunctional household wall-mounted arm strength fitness equipment which has the beneficial effects that the multifunctional wall-mounted arm strength fitness equipment can be fixed on a shed roof through a support, the use of the ground is reduced, pull-up movement can be realized by a stretching arm, the stretching arm can be pulled out for carrying out load stretching, and the stretching arm can be retracted by a lifting motor.
In order to solve the technical problems, the invention relates to a body-building device, in particular to a multifunctional household wall-mounted arm strength body-building device which comprises a support, a weight hanging machine, a lifting motor and a stretching arm.
The bracket is composed of a top hanging plate, an expansion screw, a top frame of the hanging machine, a roller of the hanging machine, a lifting roller, an inner guide wheel, a vertical frame and a pin; the top hanging plate is a cuboid, twelve through holes are processed on the top hanging plate, and the upper part of the top hanging plate is fixed on the roof through expansion screws; twelve expansion screws are arranged, the upper parts of the expansion screws are arranged on the roof, and the lower parts of the expansion screws penetrate through the top hanging plate; the upper part of the top frame of the hanging machine is fixed at the lower part of the right side of the top hanging plate through screws, and the lower part of the top frame of the hanging machine is connected with the roller of the hanging machine through pins; the two hanging machine rollers are arranged and are positioned at the lower part of the top frame of the hanging machine, and steel wires are sleeved on the hanging machine rollers; the lifting roller is positioned on the left side of the vertical frame, the lifting roller is welded on the vertical frame, and a steel wire is sleeved on the lifting roller; the inner guide wheel is positioned at the upper side of the inner part of the vertical frame and is connected with the vertical frame through a pin; the vertical frame is a cuboid, the upper part of the vertical frame is welded on the lower part of the top hanging plate, two round holes are processed on the upper part of the vertical frame, two round holes are processed on the lower part of the vertical frame, and the lower part of the vertical frame is connected with the stretching arm; the pin is positioned at the lower part of the stand and penetrates through the middle part of the stretching arm;
the inner guide wheel consists of a first guide wheel, a second guide wheel and a pin shaft; a steel wire is sleeved on the first guide wheel, and the steel wire on the first guide wheel is contacted with the lifting roller; a steel wire is sleeved on the guide wheel II, and the steel wire on the guide wheel II is contacted with the roller of the hanging machine; the pin shaft penetrates through the first guide wheel and the second guide wheel;
the hanging machine consists of a hanging frame, a hanging frame and a steel wire shaft; the left side of the wall-mounted frame is fixed on the right side of the vertical frame through screws; the hanging frame is placed on the upper part of the hanging frame, and the upper part of the hanging frame is connected with the steel wire shaft; the steel wire shaft is positioned at the upper part of the wall-mounted frame and connected with the steel wire;
the wall hanging frame consists of a vertical arm, a seat frame and a transverse plate; the vertical arm is rectangular and is fixed on the right side of the vertical frame through a screw; the two seat frames are welded on the upper part of the transverse plate; the transverse plate is rectangular, and the left side of the transverse plate is welded on the vertical arm;
the weight hanging frame consists of a bearing seat, a connecting plate, a limiting frame, an adjusting screw, a weight hanging rod, a weight hanging, a screwing cap and an anti-drop pin; two bearing seats are arranged and welded at the upper part of the connecting plate; the connecting plate is rectangular, and round holes are processed at two ends of the connecting plate; the limiting frame is trapezoidal, a square horizontal hole is formed in the middle of the limiting frame, a threaded hole is formed in the right side of the middle of the limiting frame, and the lower portion of the limiting frame is fixed to two ends of the connecting plate through screws; the adjusting screw is positioned on the outer side of the limiting frame and is in threaded fit with the limiting frame; the hanging rod is L-shaped, the hanging rod is welded at the lower part of the connecting plate, the hanging rod is welded with the annular baffle, and the right side of the hanging rod is processed with threads; the hanging weight is sleeved on the hanging weight rod; the screwing cap is positioned on the right side of the hanging weight and is in threaded fit with the hanging weight rod; the anti-drop pin is inserted in the right hole of the weight hanging rod;
the steel wire shaft consists of a rotating shaft, a baffle, a bearing, a stop screw and a spring piece; the middle part of the steel wire shaft is provided with a chute, and both ends of the steel wire shaft are provided with thread grooves; the two baffles are fixed on the steel wire shaft; the bearings are positioned at two ends of the rotating shaft, are in interference fit with the rotating shaft and are positioned on the bearing seats; one end of the stopping screw rod is provided with a thread, one end of the stopping screw rod is square, the square end of the stopping screw rod is contacted with the limiting frame, and the stopping screw rod is in threaded fit with the rotating shaft; the middle part of each spring piece is fixed on the rotating shaft, and the other end of each spring piece is fixed on the connecting plate;
the lifting motor consists of a motor, a steel wire wheel and a motor bracket; the motor is fixed on the left upper side of the motor bracket; the steel wire wheel is fixed at the right end of the rotating shaft of the motor; the right side of the motor bracket is fixed on the vertical frame through a screw;
the stretching arm consists of a stretching rod and a positioning sleeve; two stretching rods are arranged, and one end of each stretching rod is in contact with the positioning sleeve; the positioning sleeve is T-shaped, and the upper part of the positioning sleeve is positioned in the vertical frame;
the stretching rod consists of a rotating ring, a rod arm, a top column and a transmission rod; the rotating ring is positioned on the left side of the lever arm and is fixed with the transmission rod through a screw; a cylindrical hole is processed in the middle of the lever arm, a tangential fan-shaped groove is processed on the left side of the lever arm, and a cylindrical hole is processed on the right end of the lever arm; the two top columns are cylindrical and are positioned on the right side of the lever arm; the transmission rod is positioned inside the lever arm;
the rotating ring consists of a rotating ring and a connecting screw; the rotating ring is annular, is sleeved on the left side of the lever arm and is provided with a through hole; the connecting screw penetrates through the middle part of the rotating ring, and the lower part of the connecting screw is in threaded fit with the transmission rod;
the transmission rod consists of a cylindrical rod, a bidirectional cam and a support bearing; the cylindrical rod is positioned inside the lever arm, and two ends of the cylindrical rod are in interference fit with the support bearing; the bidirectional cam is fixed on the right side of the cylindrical rod and is in contact with the ejection column; the support bearings are positioned on two sides of the cylindrical rod;
the positioning sleeve consists of a sleeve rod, a positioning bead and a transverse sleeve; a round hole is processed at the upper part of the loop bar, a transverse round hole is processed at the middle part of the loop bar, and the lower part of the loop bar is welded at the upper part of the transverse sleeve; the positioning beads are positioned inside the transverse sleeve; a circular hole is processed in the middle of the transverse sleeve, and a tangential circular hole is processed in the inner part of the transverse sleeve;
the positioning ball consists of a spring and a top ball; the spring is positioned at the upper part of the top bead and positioned inside the transverse sleeve; the outer side of the top bead is contacted with the top column;
the upper part of the bracket is fixed on the roof through expansion screws, and the lower part of the bracket is contacted with the stretching arm; the hanging machine is fixed at the right lower side of the bracket, and the upper part of the hanging machine is connected with the stretching arm through a steel wire; the lifting motor is fixed on the left side of the bracket and is connected with the stretching arm through a steel wire; the stretching arm is positioned at the lower part of the bracket.
As a further optimization of the technical scheme, the position of the two hanging machine rollers of the multifunctional household wall-mounted arm strength fitness equipment is horizontal, and a gap is reserved between the hanging machine rollers.
As a further optimization of the technical scheme, the multifunctional household wall-mounted arm strength fitness equipment is provided with two stopping screw rods.
As further optimization of the technical scheme, sixteen positioning beads are arranged on the multifunctional household wall-mounted arm strength fitness equipment.
The multifunctional household wall-mounted arm strength fitness equipment has the beneficial effects that:
the multifunctional household wall-mounted arm strength fitness equipment can be fixed on the roof through the support, the use of the ground is reduced, the pull-up movement can be realized by the stretching arm, the stretching arm can be pulled out to be subjected to load stretching, and the stretching arm can be retracted by the lifting motor.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a multifunctional household wall-mounted arm strength exercise device according to the present invention.
Fig. 2 is a schematic structural diagram of a support 1 of the multifunctional household wall-mounted arm strength fitness equipment.
Fig. 3 is a schematic structural view of the inner guide wheels 1-6 of the multifunctional household wall-mounted arm strength fitness equipment.
Fig. 4 is a schematic structural diagram of a hanging weight machine 2 of the multifunctional household wall-mounted arm strength fitness equipment.
Fig. 5 is a schematic structural view of a wall-hanging rack 2-1 of the multifunctional household wall-hanging arm strength fitness equipment.
Fig. 6 is a schematic structural diagram of a hanging rack 2-2 of the multifunctional household wall-mounted arm strength fitness equipment.
Fig. 7 is a schematic structural view of a steel wire shaft 2-3 of the multifunctional household wall-mounted arm strength fitness equipment.
Fig. 8 is a schematic structural diagram of a lifting motor 3 of the multifunctional household wall-mounted arm strength exercise device of the present invention.
Fig. 9 is a schematic structural diagram of the stretching arm 4 of the multifunctional household wall-mounted arm strength exercise device of the invention.
Fig. 10 is a schematic structural view of a stretching rod 4-1 of the multifunctional household wall-mounted arm strength exercise device of the present invention.
Fig. 11 is a structural schematic diagram of a swivel 4-1-1 of the multifunctional household wall-mounted arm strength exercise equipment.
Fig. 12 is a schematic structural view of a transmission rod 4-1-4 of the multifunctional household wall-mounted arm strength exercise device.
Fig. 13 is a structural schematic diagram of a bidirectional cam 4-1-4-2 of the multifunctional household wall-mounted arm strength exercise device.
Fig. 14 is a schematic structural diagram of a positioning sleeve 4-2 of the multifunctional household wall-mounted arm strength exercise equipment.
FIG. 15 is a schematic structural view of a positioning bead 4-2-2 of the multifunctional household wall-mounted arm strength fitness equipment,
In the figure: a bracket 1; 1-1 of top hanging plate; 1-2 of an expansion screw; 1-3 of a top frame of the hanging machine; 1-4 of a roller of the hanging machine; 1-5 of lifting rollers; 1-6 parts of an inner guide wheel; 1-6-1 of a guide wheel I; 1-6-2 of a second guide wheel; 1-6-3 of a pin shaft; 1-7 of a vertical frame; 1-8 parts of a pin; a hanging machine 2; a wall hanging rack 2-1; a vertical arm 2-1-1; a seat frame 2-1-2; 2-1-3 of a transverse plate; a hanging rack 2-2; a bearing seat 2-2-1; a connecting plate 2-2-2; 2-2-3 of a limiting frame; 2-2-4 of an adjusting screw; 2-2-5 of a weight hanging rod; hanging 2-2-6 of weight; screwing the cap 2-2-7; 2-2-8 parts of anti-drop pin; 2-3 parts of a steel wire shaft; a rotating shaft 2-3-1; 2-3-2 parts of a baffle plate; 2-3-3 of a bearing; 2-3-4 of a stop screw; 2-3-5 of spring pieces; a lifting motor 3; a motor 3-1; 3-2 parts of a steel wire wheel; 3-3 of a motor bracket; a stretching arm 4; a stretch rod 4-1; a swivel 4-1-1; a rotating ring 4-1-1-1; a connecting screw 4-1-1-2; a lever arm 4-1-2; 4-1-3 of a top column; a transmission rod 4-1-4; 4-1-4-1 cylindrical rod; a bidirectional cam 4-1-4-2; a support bearing 4-1-4-3; 4-2 of a positioning sleeve; 4-2-1 of a loop bar; 4-2-2 of a positioning bead; a spring 4-2-2-1; 4-2-2 of the top bead; 4-2-3 of a transverse sleeve.
Detailed Description
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, and 15, and the invention relates to a body-building apparatus, more specifically to a multifunctional household wall-mounted arm strength body-building apparatus, which comprises a support 1, a weight-hanging machine 2, a lifting motor 3, and a stretching arm 4, and not only can be fixed on the ceiling through the support to reduce the use of the ground, but also can pull the stretching arm upward to pull out the stretching arm for load stretching, and the lifting motor can retract the stretching arm.
The support 1 consists of a top hanging plate 1-1, an expansion screw 1-2, a top frame 1-3 of the weight hanging machine, a roller 1-4 of the weight hanging machine, a lifting roller 1-5, an inner guide wheel 1-6, a vertical frame 1-7 and a pin 1-8; the top hanging plate 1-1 is a cuboid, twelve through holes are processed on the top hanging plate 1-1, and the upper part of the top hanging plate 1-1 is fixed on the top of the shed through expansion screws 1-2; twelve expansion screws 1-2 are arranged, the upper parts of the expansion screws 1-2 are arranged on the roof, and the lower parts of the expansion screws 1-2 penetrate through the top hanging plate 1-1; the upper part of the top frame 1-3 of the hanging machine is fixed on the lower part of the right side of the top hanging plate 1-1 through screws, and the lower part of the top frame 1-3 of the hanging machine is connected with the roller 1-4 of the hanging machine through a pin; two hanging machine rollers 1-4 are arranged, the hanging machine rollers 1-4 are positioned at the lower part of the hanging machine top frame 1-3, and steel wires are sleeved on the hanging machine rollers 1-4; the lifting idler wheels 1-5 are positioned on the left sides of the vertical frames 1-7, the lifting idler wheels 1-5 are welded on the vertical frames 1-7, steel wires are sleeved on the lifting idler wheels 1-5, and the lifting idler wheels 1-5 are used for changing the direction of the steel wires and preventing the steel wires from being abraded; the inner guide wheel 1-6 is positioned at the upper side of the inner part of the vertical frame 1-7, and the inner guide wheel 1-6 is connected with the vertical frame 1-7 through a pin; the vertical frame 1-7 is a cuboid, the upper part of the vertical frame 1-7 is welded on the lower part of the top hanging plate 1-1, two round holes are processed on the upper part of the vertical frame 1-7, two round holes are processed on the lower part of the vertical frame 1-7, and the lower part of the vertical frame 1-7 is connected with the stretching arm 4; the pins 1-8 are positioned at the lower parts of the stands 1-7, and the pins 1-8 penetrate through the middle parts of the stretching arms 4;
the inner guide wheel 1-6 consists of a guide wheel I1-6-1, a guide wheel II 1-6-2 and a pin shaft 1-6-3; a steel wire is sleeved on the guide wheel I1-6-1, and the steel wire on the guide wheel I1-6-1 is in contact with the lifting roller 1-5; a steel wire is sleeved on the guide wheel II 1-6-2, and the steel wire on the guide wheel II 1-6-2 is in contact with the roller 1-4 of the hanging machine; the pin shaft 1-6-3 penetrates through the guide wheel I1-6-1, and the pin shaft 1-6-3 penetrates through the guide wheel II 1-6-2;
the hanging machine 2 consists of a wall hanging frame 2-1, a hanging frame 2-2 and a steel wire shaft 2-3; the left side of the wall-mounted frame 2-1 is fixed on the right side of the vertical frame 1-7 through screws; the hanging rack 2-2 is placed on the upper part of the hanging rack 2-1, and the upper part of the hanging rack 2-2 is connected with the steel wire shaft 2-3; the steel wire shaft 2-3 is positioned at the upper part of the wall-hanging frame 2-2, and the steel wire shaft 2-3 is connected with a steel wire;
the wall-mounted frame 2-1 consists of a vertical arm 2-1-1, a seat frame 2-1-2 and a transverse plate 2-1-3; the vertical arm 2-1-1 is rectangular, and the vertical arm 2-1-1 is fixed on the right side of the vertical frame 1-7 through a screw; two seat frames 2-1-2 are arranged, and the seat frames 2-1-2 are welded on the upper part of the transverse plate 2-1-3; the transverse plate 2-1-3 is rectangular, and the left side of the transverse plate 2-1-3 is welded on the vertical arm 2-1-1; the hanging rack 2-1 is used for supporting the hanging rack 2-2 and preventing the steel wire from fatigue fracture when not in use;
the weight hanging frame 2-2 consists of a bearing seat 2-2-1, a connecting plate 2-2-2, a limiting frame 2-2-3, an adjusting screw 2-2-4, a weight hanging rod 2-2-5, a weight hanging 2-2-6, a screwing cap 2-2-7 and an anti-dropping pin 2-2-8; two bearing seats 2-2-1 are arranged, and the bearing seats 2-2-1 are welded on the upper part of the connecting plate 2-2-2; the connecting plate 2-2-2 is rectangular, and round holes are processed at two ends of the connecting plate 2-2-2; the limiting frame 2-2-3 is trapezoidal, a square horizontal hole is processed in the middle of the limiting frame 2-2-3, a threaded hole is processed in the right side of the middle of the limiting frame 2-2-3, and the lower portion of the limiting frame 2-2-3 is fixed at two ends of the connecting plate 2-2-2 through screws; the adjusting screw 2-2-4 is positioned on the outer side of the limiting frame 2-2-3, the adjusting screw 2-2-4 is in threaded fit with the limiting frame 2-2-3, and the adjusting screw 2-2-4 is used for adjusting the length of the steel wire; the weight hanging rod 2-2-5 is L-shaped, the weight hanging rod 2-2-5 is welded at the lower part of the connecting plate 2-2-2, the weight hanging rod 2-2-5 is welded with a circular ring baffle, and the right side of the weight hanging rod 2-2-5 is processed with threads; the hanging weight 2-2-6 is sleeved on the hanging weight rod 2-2-5; the screwing cap 2-2-7 is positioned at the right side of the hanging weight 2-2-6, and the screwing cap 2-2-7 is in threaded fit with the hanging weight rod 2-2-5; the anti-drop pin 2-2-8 is inserted into the right hole of the weight hanging rod 2-2-5; the hanging weight frame 2-2 is used for supporting the rotating shaft 2-3-1 and changing the weight of the hanging weight 2-2-6;
the steel wire shaft 2-3 consists of a rotating shaft 2-3-1, a baffle 2-3-2, a bearing 2-3-3, a stop screw 2-3-4 and a spring piece 2-3-5; the middle part of the steel wire shaft 2-3 is provided with a chute, and the two ends of the steel wire shaft 2-3 are provided with thread grooves; the two baffles 2-3-2 are fixed on the steel wire shaft 2-3, and the number of the baffles 2-3-2 is two; the bearings 2-3-3 are positioned at two ends of the rotating shaft 2-3-1, the bearings 2-3-3 are in interference fit with the rotating shaft 2-3-1, and the bearings 2-3-3 are positioned on the bearing seats 2-2-1; one end of the stop screw 2-3-4 is processed with a thread, one end of the stop screw 2-3-4 is square, the square end of the stop screw 2-3-4 is contacted with the limiting frame 2-2-3, the stop screw 2-3-4 is in threaded fit with the rotating shaft 2-3-1, and the stop screw 2-3-4 is used for stopping the rotation of the rotating shaft 2-3-1; two spring pieces 2-3-5 are arranged, the middle parts of the spring pieces 2-3-5 are fixed on the rotating shaft 2-3-1, and the other ends of the spring pieces 2-3-5 are fixed on the connecting plate 2-2-2; the steel wire shaft 2-3 is used for shrinking the steel wire;
the lifting motor 3 consists of a motor 3-1, a steel wire wheel 3-2 and a motor bracket 3-3; the motor 3-1 is fixed at the left upper side of the motor bracket 3-3; the steel wire wheel 3-2 is fixed at the right end of the rotating shaft of the motor 3-1; the right side of the motor bracket 3-3 is fixed on the vertical frame 1-7 through screws; the lifting motor 3 is used for retracting the stretching arm 4;
the stretching arm 4 consists of a stretching rod 4-1 and a positioning sleeve 4-2; two stretching rods 4-1 are arranged, and one end of each stretching rod 4-1 is in contact with the positioning sleeve 4-2; the positioning sleeve 4-2 is T-shaped, and the upper part of the positioning sleeve 4-2 is positioned inside the vertical frame 1-7;
the stretching rod 4-1 consists of a rotating ring 4-1-1, a rod arm 4-1-2, a top column 4-1-3 and a transmission rod 4-1-4; the rotating ring 4-1-1 is positioned at the left side of the lever arm 4-1-2, and the rotating ring 4-1-1 is fixed with the transmission rod 4-1-4 through a screw; a cylindrical hole is processed in the middle of the lever arm 4-1-2, a tangential fan-shaped groove is processed on the left side of the lever arm 4-1-2, and a cylindrical hole is processed at the right end of the lever arm 4-1-2; the top pillars 4-1-3 are cylindrical, two top pillars 4-1-3 are arranged, and the top pillars 4-1-3 are positioned on the right side of the lever arm 4-1-2; the transmission rod 4-1-4 is positioned inside the lever arm 4-1-2;
the rotating ring 4-1-1 consists of a rotating ring 4-1-1-1 and a connecting screw 4-1-1-2; the rotating ring 4-1-1-1 is annular, the rotating ring 4-1-1-1 is sleeved on the left side of the lever arm 4-1-2, and a through hole is processed on the rotating ring 4-1-1-1; the connecting screw 4-1-1-2 penetrates through the middle part of the rotating ring 4-1-1-1, and the lower part of the connecting screw 4-1-1-2 is in threaded fit with the transmission rod 4-1-4;
the transmission rod 4-1-4 consists of a cylindrical rod 4-1-4-1, a bidirectional cam 4-1-4-2 and a support bearing 4-1-4-3; the cylindrical rod 4-1-4-1 is positioned inside the rod arm 4-1-2, and two ends of the cylindrical rod 4-1-4-1 are in interference fit with the support bearings 4-1-4-3; the bidirectional cam 4-1-4-2 is fixed on the right side of the cylindrical rod 4-1-4-1, and the bidirectional cam 4-1-4-2 is in contact with the ejection column 4-1-3; the support bearings 4-1-4-3 are positioned at two sides of the cylindrical rod 4-1-4-1;
the positioning sleeve 4-2 consists of a sleeve rod 4-2-1, a positioning bead 4-2-2 and a transverse sleeve 4-2-3; a round hole is processed at the upper part of the loop bar 4-2-1, a transverse round hole is processed at the middle part of the loop bar 4-2-1, and the lower part of the loop bar 4-2-1 is welded at the upper part of the transverse sleeve 4-2-3; the positioning bead 4-2-2 is positioned inside the transverse sleeve 4-2-3; a round hole is processed in the middle of the transverse sleeve 4-2-3, and a tangential round hole is processed in the transverse sleeve 4-2-3;
the positioning bead 4-2-2 consists of a spring 4-2-2-1 and a top bead 4-2-2-2; the spring 4-2-2-1 is positioned at the upper part of the top bead 4-2-2-2, and the spring 4-2-2-1 is positioned inside the transverse sleeve 4-2-3; the outer side of the top bead 4-2-2-2 is contacted with the top column 4-1-3;
the upper part of the bracket 1 is fixed on the roof through expansion screws, and the lower part of the bracket 1 is contacted with the stretching arm 4; the hanging weight machine 2 is fixed at the right lower side of the bracket 1, and the upper part of the hanging weight machine 2 is connected with the stretching arm 4 through a steel wire; the lifting motor 3 is fixed on the left side of the bracket 1, and the lifting motor 3 is connected with the stretching arm 4 through a steel wire; the stretching arms 4 are located at the lower part of the stent 1.
The second embodiment is as follows:
this embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15. this embodiment further illustrates the embodiment wherein the two hitch rollers 1-4 are positioned horizontally with a gap between the hitch rollers 1-4.
The third concrete implementation mode:
the present embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, and 15, and the present embodiment further describes the first embodiment, in which two stop screws 2-3-4 are provided.
The fourth concrete implementation mode:
the present embodiment is described below with reference to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, and 15, and the present embodiment further describes the first embodiment, in which sixteen positioning beads 4-2-2 are provided.
The working principle of the invention is as follows: the principle of fixing the bracket is as follows: placing the support 1 on a shed roof, marking with a marker pen, drilling 12 holes in the shed roof with an electric drill, fixing the expansion screws 1-2 on the shed roof, installing the support 1 on the expansion screws 1-2, and tightening the screws.
Stretching principle of the stretching arm: the rotating ring 4-1-1 is rotated, the rotating ring 4-1-1 rotates to drive the connecting screw 4-1-1-2 to rotate, the connecting screw 4-1-1-2 is in threaded fit with the transmission rod 4-1-4, the connecting screw 4-1-1-2 rotates to drive the transmission rod 4-1-4 to rotate, the right side of the transmission rod 4-1-4 is fixed with the bidirectional cam 4-1-4-2, the transmission rod 4-1-4 rotates to drive the bidirectional cam 4-1-4-2 to rotate, the bidirectional cam 4-1-4-2 is contacted with the top column 4-1-3, the top column 4-1-3 and the bidirectional cam 4-1-4-2 rotate to move up and down along the round hole on the right side of the lever arm 4-1-2, the top pillar 4-1-3 is in contact with the top bead 4-2-2-2, the top bead 4-2-2 is jacked up by the top pillar 4-1-3 towards the compression direction of the spring 4-2-2-1, meanwhile, the lever arm 4-1-2 is pulled outwards, the lever arm is stretched, when the position adapted to the human body is reached, the transmission rod 4-1-1 is rotated in the rear direction, the base circle of the bidirectional cam 4-1-4-2 is in contact with the top pillar 4-1-3, the top pillar 4-1-3 moves inwards under the action of the top bead 4-2-2-2, and meanwhile, the top bead 4-2-2-2 is clamped on the right side of the lever arm 4-1-2.
Stretching exercise principle: pulling out the pins 1-8, pulling the stretching arm 4 downwards, wherein the stretching arm 4 moves downwards to drive the steel wire to move downwards, the other end of the steel wire is fixed on the steel wire shaft 2-3, the steel wire drives the steel wire shaft 2-3 to rotate at first, and the steel wire shaft 2-3 rotates to compress the spring piece 2-3-5; meanwhile, two ends of the rotating shaft 2-3-1 are in threaded fit with the stop screw 2-3-4, and the other end of the stop screw 2-3-4 is in contact with the limiting frame 2-2-3, so that the rotating shaft 2-3-1 rotates to drive the stop screw 2-3-4 to move outwards, when the stop screw 2-3-4 moves to be in contact with the adjusting screw 2-2-4, the stop screw 2-3-4 stops moving, and the stop screw 2-3-4 can prevent the rotating shaft 2-3-1 from rotating; the stretching arm 4 is pulled down continuously, the rotating shaft 2-3-1 is pulled up by the steel wire, and the rotating shaft drives the hanging rack 2-2 to move upwards; when the use is stopped, the rotating shaft 2-3-1 rotates reversely under the action of the spring piece 2-3-5 to withdraw the steel wire.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.