CN117108652A - Braking device for strength lifting equipment - Google Patents
Braking device for strength lifting equipment Download PDFInfo
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- CN117108652A CN117108652A CN202311352212.1A CN202311352212A CN117108652A CN 117108652 A CN117108652 A CN 117108652A CN 202311352212 A CN202311352212 A CN 202311352212A CN 117108652 A CN117108652 A CN 117108652A
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- ratchet
- lifting rod
- rod
- lifting
- braking device
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 55
- 230000002093 peripheral effect Effects 0.000 claims description 25
- 230000000694 effects Effects 0.000 abstract description 18
- 230000009471 action Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/06—Bands, shoes or pads; Pivots or supporting members therefor for externally-engaging brakes
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/078—Devices for bench press exercises, e.g. supports, guiding means
- A63B21/0783—Safety features for bar-bells, e.g. drop limiting means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The application discloses a braking device for a strength lifting device, and relates to the field of lifting devices. The braking device for the strength lifting equipment comprises two support columns, wherein a connecting strip is fixedly arranged between the two support columns; the two ends of the connecting strip are respectively connected with rotating shafts in a rotating mode, the two rotating shafts respectively extend into the two through grooves, a linkage mechanism is arranged between the two rotating shafts and the lifting rod, a ratchet wheel is fixedly sleeved on the outer surface of the rotating shafts, the ratchet wheel is connected with a ratchet in a meshed mode, and the lifting rod is provided with a driving mechanism. According to the braking device for the strength lifting equipment, when a user is in a force-releasing state, the hand part of the user is separated from the lifting rod, the two ratchets cannot be driven to move through the driving mechanism, then the ratchets are meshed with the ratchets, the ratchets cannot reversely rotate, the lifting rod is fixed in height, the lifting rod cannot move downwards under the action of gravity, and a protection effect is achieved on the user.
Description
Technical Field
The application relates to the technical field of lifting equipment, in particular to a braking device for a strength lifting equipment.
Background
The force lifting is generally carried out by using the barbell, and the barbell is lifted for a long time, so that the muscle can be developed more and the endurance of the muscle can be enhanced.
The existing strength lifting equipment mostly consists of a bracket and a lifting rod, wherein counterweight plates with certain weight are arranged at two ends of the lifting rod, a plurality of clamping blocks are generally arranged on the outer side of the bracket, the lifting rod is placed on two clamping blocks at the same level when not in use and used for supporting the lifting rod, and an operator takes down the lifting rod and then carries out lifting training in the use process.
Although the existing strength lifting equipment is more convenient to use, when the load of a user reaches the limit or is overloaded, the user is forced to exhaustion, the error of getting out of hand is caused, the gravity striking of the barbell is extremely easy, the danger of injury and even deadly is caused, the existing braking device is provided with a connecting rope above the lifting rod, the top end of the connecting rope is connected with the top of the frame, therefore, when the lifting rod is out of hand, the braking effect can be achieved by using the connecting rope, but on one hand, the heights of the user are different, the length of the connecting rope is required to be adjusted during each operation, otherwise, the protection effect cannot be achieved, on the other hand, the connecting rope is connected with the lifting rod to brake, even if the connecting rope brakes the lifting rod successfully, the lifting rod can not move downwards, and the lifting rod still can shake under the action of inertia.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides a braking device for a strength lifting device, which solves the problem that when a lifting rod is out of hand, the braking effect can be achieved by utilizing a connecting rope, but the heights of users are different, the length of the connecting rope needs to be adjusted during each operation, and otherwise, the protection cannot be achieved.
(II) technical scheme
In order to achieve the above purpose, the application is realized by the following technical scheme: the brake device for the strength lifting equipment comprises two support columns, wherein a connecting bar is fixedly arranged between the two support columns, and a lifting rod is arranged between the two support columns, the support columns are provided with through grooves with two through sides, and two ends of the lifting rod respectively penetrate through the two through grooves and extend outwards;
the both ends of connecting strip all rotate and are connected with the axis of rotation, and two axes of rotation stretch into the inside of two logical grooves respectively, are provided with link gear between two axes of rotation and the lifter, and the lifter drives the axis of rotation through link gear and rotates, and the external surface fixed of axis of rotation has cup jointed the ratchet, and the ratchet meshing is connected with the ratchet, and the lifter is provided with actuating mechanism, and actuating mechanism and two ratchet transmission connection, actuating mechanism is used for driving two ratchets and removes.
Preferably, the bottom fixed mounting of two the support column has the base, the periphery wall of lifter is fixed to be cup jointed a plurality of spacing discs, and a plurality of spacing discs laminate mutually with the both sides of support column respectively.
Preferably, the linkage mechanism comprises two sliding grooves, the two sliding grooves are respectively formed in the inner walls of the two through grooves, a sliding strip is connected to the inner walls of the sliding grooves in a sliding mode, a connecting block is fixedly connected between the bottom end of the sliding strip and the peripheral wall of the lifting rod, racks are embedded in the side walls of the sliding strip, gears are fixedly sleeved on the peripheral wall of the rotating shaft, and the two gears are respectively connected with the two racks in a meshed mode.
Preferably, the driving mechanism comprises two empty slots, the two empty slots are respectively arranged in the two supporting columns, a positioning rod is arranged in each empty slot, a positioning block is movably inserted into the peripheral wall of each positioning rod, the end part of each positioning block extends towards the through slot and is fixedly connected with the end part of each ratchet, and the bottom end of each positioning rod is in transmission connection with the lifting rod.
Preferably, a movable groove is formed in the lifting rod, a movable bar is arranged in the movable groove, and two ends of the movable bar are respectively connected with the bottom ends of the two positioning rods in a transmission mode.
Preferably, the outer peripheral wall of the lifting rod is symmetrically and fixedly connected with two positioning frames, a transmission groove is formed between the inner part of the two positioning frames and the outer peripheral wall of the lifting rod, a transmission block is connected to the inner wall of the transmission groove in a sliding manner, and the end part of the transmission block extends outwards and is fixedly connected with the bottom end of the positioning rod.
Preferably, a movable rod is movably inserted between the inside of the movable groove and the inside of the transmission groove, and two ends of the movable rod are fixedly connected with the end parts of the movable bar and the end parts of the transmission blocks respectively.
Preferably, the outer peripheral wall of the movable rod is movably sleeved with a reset spring, and two ends of the reset spring are fixedly connected with the inner wall of the transmission groove and the end part of the transmission block respectively.
Preferably, the outer wall of the movable bar is fixedly connected with two pressing blocks, and the two pressing blocks penetrate through the outer peripheral wall of the lifting rod to extend outwards.
The application discloses a braking device for a strength lifting device, which has the following beneficial effects:
1. this a arresting gear for strength lifting equipment has seted up the logical groove that both sides link up through the support column that sets up, and the both ends of lifting lever run through two respectively and lead to the groove to outwards extend, then make lifting lever only can carry out vertical movement along the route of leading to the groove, and be provided with link gear between two axis of rotation and the lifting lever, when the user promotes lifting lever and upwards move, utilize link gear to drive the ratchet and rotate, and ratchet promotes the ratchet and carries out lateral shifting when rotating, make the ratchet can be smooth rotation, can not be influenced by the ratchet, when the lifting lever is promoted to the highest point that the user needs to promote, the user can drive two ratchets through the actuating mechanism who sets up on the lifting lever and remove, make ratchet and ratchet separation, just can drive ratchet and reverse rotation this moment, make lifting lever normally move downwards, and the user is under the state of taking off the power, when its hand and lifting lever break away, can't drive two ratchets through actuating mechanism and carry out lateral movement, then ratchet and ratchet can not mesh, and then can not play the effect of protecting the lifting lever under the effect that the effect of the effect that the ratchet is difficult to rotate under the lifting lever, and further can not play a role of protecting down the lifting lever under the effect.
2. This a arresting gear for strength lifting equipment, through the linkage that sets up, the slider can carry out vertical slip on the inner wall of sliding tray, consequently when the lifter upwards moves, can promote the rack that slider and slider lateral wall inlayed and upwards slide, and two gears respectively with two racks, then can make two gears rotate at two racks, and the ratchet of axis of rotation outer wall carries out the corotation, make the ratchet can not influence ratchet and rotate, and when the lifter moved down, the ratchet rotation has been driven through the rack again, and the ratchet is opposite with preceding rotation direction, when the ratchet is reversing, the ratchet is prescribe a limit to the ratchet, make it unable to rotate.
3. This a arresting gear for strength lifting equipment, in the in-process of using, reset spring's both ends respectively with the inner wall of drive groove and the tip fixed connection of drive piece, reset spring passes through the drive piece, locating lever and locating piece and ratchet transmission connection, under reset spring normal condition, make ratchet and ratchet mesh mutually, when the lifter upwards moved, the ratchet carries out the corotation, the ratchet has been promoted and has carried out lateral shifting, and then it moves to have driven the locating lever through the locating piece, and then the pulling drive piece outwards slides at the inner wall of drive groove, the reset spring has been stretched, then reset spring shrink back, the pulling drive piece inwards slides at the inner wall of drive groove, and make ratchet mesh with the ratchet through locating lever and locating piece again, reciprocating so, make ratchet can normal rotation, and the ratchet is laminated mutually with the ratchet all the time.
4. According to the braking device for the strength lifting equipment, when the lifting rod is required to move upwards, the two pressing blocks positioned on the peripheral wall of the lifting rod are pressed, the two pressing blocks are fixedly connected with the outer wall of the moving rod, so that the moving rod can be pushed to slide in the moving groove, the moving rod is pushed to move towards the inner wall of the transmission groove, the two ends of the moving rod are respectively and fixedly connected with the end part of the moving rod and the end part of the transmission block, the moving rod can push the transmission block to slide outwards on the inner wall of the transmission groove, the reset spring is stretched, the ratchet is enabled to move transversely, the ratchet can rotate reversely, the lifting rod can move downwards normally, if a user is separated from the two pressing blocks and the lifting rod, the reset spring is quickly rebounded, the transmission block is pulled to slide inwards on the inner wall of the transmission groove, the ratchet is meshed with the ratchet again through the positioning rod and the positioning block, the position of the lifting rod is fixed, and the ratchet cannot move downwards, so that the user can be effectively protected.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a cross-sectional view of the present application;
FIG. 3 is a cross-sectional view of a support column of the present application;
FIG. 4 is a second cross-sectional view of the support post of the present application;
FIG. 5 is an enlarged schematic view of portion A of FIG. 3 in accordance with the present application;
FIG. 6 is an enlarged schematic view of portion B of FIG. 4 in accordance with the present application;
FIG. 7 is an enlarged schematic view of portion C of FIG. 4 in accordance with the present application;
FIG. 8 is a cross-sectional view of a lift rod of the present application;
FIG. 9 is a schematic diagram of the linkage and drive mechanism of the present application;
fig. 10 is a schematic view of a part of the structure of the linkage mechanism and the driving mechanism of the present application.
In the figure: 1. a support column; 101. a connecting strip; 102. a lifting rod; 103. a through groove; 104. a base; 105. a limiting disc; 2. a rotating shaft; 201. a ratchet wheel; 202. a ratchet; 3. a sliding groove; 301. a sliding bar; 302. a connecting block; 303. a rack; 304. a gear; 4. a hollow groove; 401. a positioning rod; 402. a positioning block; 403. a transmission block; 404. a moving groove; 405. moving the bar; 406. a positioning frame; 407. a transmission groove; 408. a moving rod; 409. a return spring; 410. pressing the blocks.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
According to the embodiment of the application, the brake device for the power lifting equipment is provided, so that the problem that when the lifting rod 102 is out of hand, the effect of braking can be achieved by utilizing the connecting rope, but the height of a user is different, the length of the connecting rope needs to be adjusted during each operation, otherwise, protection cannot be achieved is solved, when the user is in a force-releasing state, the two ratchets 202 cannot be driven to move through the driving mechanism when the hand of the user is separated from the lifting rod 102 through the arranged linkage mechanism and the driving mechanism, the ratchets 202 are meshed with the ratchet 201, the ratchet 201 cannot reversely rotate, the height of the lifting rod 102 is fixed, the lifting rod 102 cannot fly downwards under the action of gravity, and an effective protection effect is achieved for the user.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
The embodiment of the application discloses a braking device for a power lifting device.
1-10, a braking device for a strength lifting device comprises two support columns 1, wherein a connecting strip 101 is fixedly arranged between the two support columns 1, a lifting rod 102 is arranged between the two support columns 1, the support columns 1 are provided with through grooves 103 with two through sides, and two ends of the lifting rod 102 respectively penetrate through the two through grooves 103 and extend outwards;
the both ends of connecting rod 101 all rotate and are connected with axis of rotation 2, and inside two logical grooves 103 is stretched into respectively to two axis of rotation 2, is provided with link gear between two axis of rotation 2 and the lifter 102, and the lifter 102 drives axis of rotation 2 through link gear and rotates, and the external surface fixed of axis of rotation 2 has cup jointed ratchet 201, and ratchet 201 meshing is connected with ratchet 202, and lifter 102 is provided with actuating mechanism, and actuating mechanism and two ratchet 202 transmission connection, actuating mechanism is used for driving two ratchets 202 and removes.
Through the support column 1 that sets up has both sides through the through groove 103, and the both ends of lifting rod 102 run through two through grooves 103 respectively and outwards extend, then make lifting rod 102 can only carry out vertical movement along the route of through groove 103, and be provided with link gear between two axis of rotation 2 and lifting rod 102, when the lifting rod 102 is promoted to upwards move by the user, utilize link gear can drive ratchet 201 and rotate, and ratchet 201 promotes ratchet 202 and carries out lateral shifting when rotating, make ratchet 201 can smooth rotation, can not be influenced by ratchet 202, when lifting rod 102 is promoted to the highest point that the user needs to promote, the user can drive two ratchets 202 through the actuating mechanism who sets up on lifting rod 102 and carry out the removal, make ratchet 202 and ratchet 201 separate, just can drive ratchet 201 and carry out reverse rotation at this moment, make lifting rod 102 normally move downwards, and under the state that the user is taking off the power, and ratchet 201 breaks away from when rotating, make ratchet 201 can't carry out the effect through two ratchet 202 and can't drive ratchet 202 and can't make the effect of the ratchet that the opposite rotation is carried out under the circumstances that the ratchet is difficult to the effect of the lifting rod 102, and then can't be rotated under the effect of the reverse rotation of ratchet 201, and the effect of the lifting rod is made under the circumstances that the lifting rod 102 is moved to be high-down to the effect of the ratchet 201.
Preferably, the bottom ends of the two support columns 1 are fixedly provided with the base 104, the outer peripheral wall of the lifting rod 102 is fixedly sleeved with a plurality of limiting plates 105, and the limiting plates 105 are respectively attached to two sides of the support columns 1.
Preferably, the linkage mechanism comprises two sliding grooves 3, the two sliding grooves 3 are respectively arranged on the inner walls of the two through grooves 103, a sliding bar 301 is connected to the inner walls of the sliding grooves 3 in a sliding manner, a connecting block 302 is fixedly connected between the bottom end of the sliding bar 301 and the outer peripheral wall of the lifting rod 102, racks 303 are embedded in the side walls of the sliding bar 301, gears 304 are fixedly sleeved on the outer peripheral wall of the rotating shaft 2, and the two gears 304 are respectively connected with the two racks 303 in a meshed manner.
Through the link gear that sets up, slider 301 can carry out vertical slip on the inner wall of sliding tray 3, consequently when lifter 102 upwards moves, can promote the rack 303 that slider 301 and slider 301 lateral wall were inlayed and slide upwards, and two gears 304 rotate with the effect of two racks 303 respectively, the axis of rotation 2 has been driven simultaneously and has been rotated, and ratchet 201 of axis of rotation 2 outer wall carries out the corotation, make ratchet 202 can not influence ratchet 201 and rotate, and when lifter 102 moves down, again through rack 303 drive ratchet 201 rotate, and ratchet 201 is opposite with preceding rotation direction, when ratchet 201 reverses, ratchet 202 is limited ratchet 201, make it unable to rotate.
Preferably, the driving mechanism comprises two empty slots 4, the two empty slots 4 are respectively arranged in the two support columns 1, a positioning rod 401 is arranged in each empty slot 4, a positioning block 402 is movably inserted into the peripheral wall of each positioning rod 401, the end part of each positioning block 402 extends towards the through slot 103 and is fixedly connected with the end part of each ratchet 202, and the bottom end of each positioning rod 401 is in transmission connection with the lifting rod 102.
When the lifting rod 102 moves upwards or downwards, the positioning block 402 is movably inserted into the outer peripheral wall of the positioning rod 401, so that the positioning block 402 is not driven to move when the positioning rod 401 moves vertically.
Preferably, a moving slot 404 is formed in the lifting rod 102, a moving bar 405 is arranged in the moving slot 404, and two ends of the moving bar 405 are respectively connected with the bottom ends of the two positioning rods 401 in a transmission manner.
Preferably, the outer peripheral wall of the lifting rod 102 is symmetrically and fixedly connected with two positioning frames 406, a transmission groove 407 is formed between the inner part of each positioning frame 406 and the outer peripheral wall of the lifting rod 102, a transmission block 403 is slidingly connected on the inner wall of each transmission groove 407, and the end part of each transmission block 403 extends outwards and is fixedly connected with the bottom end of the corresponding positioning rod 401.
Preferably, a moving rod 408 is movably inserted between the inside of the moving slot 404 and the inside of the transmission slot 407, and two ends of the moving rod 408 are fixedly connected with the end of the moving bar 405 and the end of the transmission block 403 respectively.
Preferably, the outer peripheral wall of the moving rod 408 is movably sleeved with a return spring 409, and two ends of the return spring 409 are fixedly connected with the inner wall of the transmission groove 407 and the end part of the transmission block 403 respectively.
Preferably, two pressing blocks 410 are fixedly connected to the outer wall of the moving bar 405, and the two pressing blocks 410 extend outward through the outer circumferential wall of the lifting rod 102.
In the use process, the two ends of the reset spring 409 are fixedly connected with the inner wall of the transmission groove 407 and the end part of the transmission block 403 respectively, the reset spring 409 is in transmission connection with the ratchet 202 through the transmission block 403, the positioning rod 401 and the positioning block 402, the ratchet 202 is meshed with the ratchet 201 in a normal state of the reset spring 409, when the lifting rod 102 moves upwards, the ratchet 201 rotates forwards, the ratchet 202 is pushed to move transversely, the positioning rod 401 is driven by the positioning block 402 to move, the transmission block 403 is pulled to slide outwards on the inner wall of the transmission groove 407, the reset spring 409 is stretched, the transmission block 403 is pulled to slide inwards on the inner wall of the transmission groove 407 after the reset spring 409 is contracted, the ratchet 202 is meshed with the ratchet 201 again through the positioning rod 401 and the positioning block 402, and the ratchet 201 is reciprocated, so that the ratchet 202 can rotate normally, and the ratchet 202 is always attached to the ratchet 201;
when the lifting rod 102 is required to move upwards, the two pressing blocks 410 positioned on the outer peripheral wall of the lifting rod 102 are pressed, and as the two pressing blocks 410 are fixedly connected with the outer wall of the moving bar 405, the moving bar 405 can be pushed to slide in the moving groove 404, the moving bar 408 is pushed to move inwards towards the inner wall of the transmission groove 407, the two ends of the moving bar 408 are respectively fixedly connected with the end part of the moving bar 405 and the end part of the transmission block 403, the moving bar 408 can push the transmission block 403 to slide outwards on the inner wall of the transmission groove 407, the reset spring 409 is stretched, the ratchet 202 is transversely moved, the ratchet 201 can be reversed, the lifting rod 102 can normally move downwards, if a user breaks away, the two hands are separated from the two pressing blocks 410 and the lifting rod 102, the reset spring 409 is quickly rebounded, the transmission block 403 is pulled inwards, the ratchet 202 is meshed with the ratchet 201 again through the positioning bars 401 and 402, the ratchet 201 cannot rotate, and the position of the positioning block 102 is fixed, so that the user cannot continue to move downwards.
The foregoing has shown and described the basic principles and main features of the present application and the advantages of the present application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made without departing from the spirit and scope of the application, which is defined in the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.
Claims (9)
1. The braking device for the strength lifting equipment comprises two support columns (1), wherein a connecting strip (101) is fixedly arranged between the two support columns (1), and a lifting rod (102) is arranged between the two support columns (1), and the braking device is characterized in that through grooves (103) with two through sides are formed in the support columns (1), and two ends of the lifting rod (102) respectively penetrate through the two through grooves (103) and extend outwards;
the utility model discloses a ratchet, including connecting strip (101), ratchet (201), lifting rod (102), actuating mechanism, ratchet (201) meshing is connected with ratchet, lifting rod (102) are provided with actuating mechanism, and actuating mechanism is connected with two ratchet (202) transmission, actuating mechanism is used for driving two ratchet (202) to move between two rotating shafts (2) and lifting rod (102), both ends of connecting strip (101) all rotate and are connected with axis of rotation (2), inside that two axes of rotation (2) stretch into two logical grooves (103) respectively, be provided with link gear between two axes of rotation (2) and the lifting rod (102).
2. The braking device for the power lifting equipment according to claim 1, wherein the bottom ends of the two supporting columns (1) are fixedly provided with bases (104), the peripheral wall of the lifting rod (102) is fixedly sleeved with a plurality of limiting discs (105), and the limiting discs (105) are respectively attached to two sides of the supporting columns (1).
3. The braking device for the force lifting equipment according to claim 1, wherein the linkage mechanism comprises two sliding grooves (3), the two sliding grooves (3) are respectively arranged on the inner walls of the two through grooves (103), a sliding bar (301) is slidably connected on the inner walls of the sliding grooves (3), a connecting block (302) is fixedly connected between the bottom end of the sliding bar (301) and the outer peripheral wall of the lifting rod (102), racks (303) are embedded on the side walls of the sliding bar (301), gears (304) are fixedly sleeved on the outer peripheral wall of the rotating shaft (2), and the two gears (304) are respectively meshed with the two racks (303).
4. The braking device for the power lifting equipment according to claim 1, wherein the driving mechanism comprises two empty slots (4), the two empty slots (4) are respectively arranged in the two support columns (1), a positioning rod (401) is arranged in each empty slot (4), a positioning block (402) is movably inserted into the peripheral wall of each positioning rod (401), the end part of each positioning block (402) extends into the corresponding through slot (103) and is fixedly connected with the end part of each ratchet tooth (202), and the bottom end of each positioning rod (401) is in transmission connection with the lifting rod (102).
5. The braking device for force lifting equipment according to claim 4, wherein a moving groove (404) is formed in the lifting rod (102), a moving bar (405) is arranged in the moving groove (404), and two ends of the moving bar (405) are respectively connected with the bottom ends of the two positioning rods (401) in a transmission manner.
6. The braking device for a force lifting device according to claim 5, wherein two positioning frames (406) are symmetrically and fixedly connected to the outer peripheral wall of the lifting rod (102), a transmission groove (407) is formed between the inner part of each positioning frame (406) and the outer peripheral wall of the lifting rod (102), a transmission block (403) is slidingly connected to the inner wall of the transmission groove (407), and the end part of the transmission block (403) extends outwards and is fixedly connected with the bottom end of the positioning rod (401).
7. The braking device for force lifting equipment according to claim 6, wherein a moving rod (408) is movably inserted between the inside of the moving groove (404) and the inside of the transmission groove (407), and both ends of the moving rod (408) are fixedly connected with the end of the moving bar (405) and the end of the transmission block (403), respectively.
8. The braking device for force lifting equipment according to claim 7, wherein the outer peripheral wall of the moving rod (408) is movably sleeved with a return spring (409), and two ends of the return spring (409) are fixedly connected with the inner wall of the transmission groove (407) and the end part of the transmission block (403) respectively.
9. The braking device for force lifting equipment of claim 5, wherein the outer wall of the moving bar (405) is fixedly connected with two pressing blocks (410), and the two pressing blocks (410) extend outwards through the outer peripheral wall of the lifting rod (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311352212.1A CN117108652B (en) | 2023-10-19 | 2023-10-19 | Braking device for strength lifting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311352212.1A CN117108652B (en) | 2023-10-19 | 2023-10-19 | Braking device for strength lifting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117108652A true CN117108652A (en) | 2023-11-24 |
| CN117108652B CN117108652B (en) | 2024-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311352212.1A Active CN117108652B (en) | 2023-10-19 | 2023-10-19 | Braking device for strength lifting equipment |
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| CN111228718A (en) * | 2020-01-09 | 2020-06-05 | 唐山师范学院 | Force lifting equipment capable of braking in falling process |
| CN111375173A (en) * | 2020-05-09 | 2020-07-07 | 天津苗花生活用品有限公司 | Multifunctional household strength type fitness equipment |
| CN113209551A (en) * | 2021-06-10 | 2021-08-06 | 南京工业职业技术大学 | Automatic auxiliary type bench press frame device |
| CN114129958A (en) * | 2021-12-08 | 2022-03-04 | 山东商务职业学院 | Barbell frame for sports education that possesses protection of preventing weighing down |
| CN216934576U (en) * | 2022-01-13 | 2022-07-12 | 河北冉堃电气设备有限公司 | Bench press frame with auto-lock protection function that kick-backs |
| CN218944270U (en) * | 2022-11-29 | 2023-05-02 | 壕氏健身器材(上海)有限公司 | Supine leg-lifting waist-abdomen strength training device |
| CN116873837A (en) * | 2023-09-08 | 2023-10-13 | 浩立机械(烟台)有限公司 | Highway construction well lid machinery dismounting device |
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2023
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105056464A (en) * | 2015-07-17 | 2015-11-18 | 曲阜师范大学 | Family fitness barbell capable of being used by single person |
| KR101727473B1 (en) * | 2016-02-24 | 2017-05-02 | 충남대학교산학협력단 | Dumbell fixed by ratchet tie |
| CN209530003U (en) * | 2018-09-03 | 2019-10-25 | 莆田市城厢区任西贸易有限公司 | Temper the fitness equipment of arm strength |
| CN111228718A (en) * | 2020-01-09 | 2020-06-05 | 唐山师范学院 | Force lifting equipment capable of braking in falling process |
| CN111375173A (en) * | 2020-05-09 | 2020-07-07 | 天津苗花生活用品有限公司 | Multifunctional household strength type fitness equipment |
| CN113209551A (en) * | 2021-06-10 | 2021-08-06 | 南京工业职业技术大学 | Automatic auxiliary type bench press frame device |
| CN114129958A (en) * | 2021-12-08 | 2022-03-04 | 山东商务职业学院 | Barbell frame for sports education that possesses protection of preventing weighing down |
| CN216934576U (en) * | 2022-01-13 | 2022-07-12 | 河北冉堃电气设备有限公司 | Bench press frame with auto-lock protection function that kick-backs |
| CN218944270U (en) * | 2022-11-29 | 2023-05-02 | 壕氏健身器材(上海)有限公司 | Supine leg-lifting waist-abdomen strength training device |
| CN116873837A (en) * | 2023-09-08 | 2023-10-13 | 浩立机械(烟台)有限公司 | Highway construction well lid machinery dismounting device |
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| CN117108652B (en) | 2024-01-09 |
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