CN210096762U - Adjustable parallel bars of shock attenuation formula - Google Patents
Adjustable parallel bars of shock attenuation formula Download PDFInfo
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- CN210096762U CN210096762U CN201822076669.5U CN201822076669U CN210096762U CN 210096762 U CN210096762 U CN 210096762U CN 201822076669 U CN201822076669 U CN 201822076669U CN 210096762 U CN210096762 U CN 210096762U
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Abstract
The utility model belongs to the technical field of parallel bars, in particular to a damping type adjustable parallel bar, which comprises a hollow connecting rod, a circular tube-shaped connecting sleeve rod, a cylindrical bottom column, a threaded sleeve and a base; the base is a cuboid, and four corner positions at the top of the base are fixedly connected with cylindrical bottom columns through bolts; the middle part of the cylindrical bottom column is sleeved with a threaded sleeve, and the top end of the cylindrical bottom column is sleeved with a circular tubular connecting sleeve rod; the top end of the round tubular connecting sleeve rod is fixedly connected with the hollow connecting rod; the top of the threaded sleeve is rotatably connected with a rotating disc. The utility model discloses a first buffer spring and second buffer spring cooperate and use, weaken the resilience effect of buffer roof after buffering buffer roof, avoid kick-backing to cause user's injury, improve factor of safety; move in L type piston cylinder through the piston rod for the elastic membrane inflation, thereby make the rubber piece of stopping carry out the secondary to the resilience of buffer roof and weaken, and then improve buffer roof's factor of safety.
Description
Technical Field
The utility model belongs to the technical field of the parallel bars, specific adjustable parallel bars of shock attenuation formula that says so.
Background
The parallel bars are one of the male competitive gymnastics items. A metal frame supports two parallel bars of wood, plastic or synthetic metal. A typical set of parallel bar motions includes switching between a support position, an inverted position, and a boom position. The high school parallel bars have great difficulty in teaching materials. Therefore, the difficulty of completing the teaching task is also high. In actual teaching, teaching conditions such as instruments and the like can be reduced, students with different physical qualities and athletic abilities are treated differently, flexible protection and help measures are adopted, enthusiasm of the students is fully mobilized, and completion of teaching tasks is guaranteed.
Also the technical scheme of some parallel bars has appeared among the prior art, has disclosed a parallel bar for sports teaching like chinese patent with application number 2017201620689, the on-line screen storage device comprises a base, the upper end intermediate position fixedly connected with spring of base, the upper end fixedly connected with blotter of spring, the first telescopic link of one side both ends fixedly connected with of base, the slip surface of first telescopic link has cup jointed first telescope tube, the opposite side both ends fixedly connected with second telescopic link of base, the slip surface of second telescopic link has cup jointed the second telescope tube, the surface of first telescopic link and the surface of second telescopic link all are equipped with the scale, the inside of first telescopic link and the inside of second telescopic link all are equipped with first thread groove, the inside of first telescope tube and the inside of second telescope tube are equipped with first screw hole.
This parallel bars for physical education can carry out effectual supplementary help when the student goes to school, increases the security that the parallel bars were given lessons simultaneously for overall structure is perfect more practical. However, this kind of parallel bars for sports teaching need lift up the top earlier then fix the top when carrying out altitude mixture control, cause like this to adjust inconveniently, produce the accident easily, and do not effectively reduce the rebound effect when buffering the user, cause the user to be injured, reduced factor of safety.
SUMMERY OF THE UTILITY MODEL
In order to compensate the not enough of prior art, the utility model provides an adjustable parallel bars of shock attenuation formula can weaken the resilience effect after buffering the user to avoid the user to be bounced again injured, improved factor of safety.
The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a damping adjustable parallel bars, which comprises a hollow connecting rod, a tubular connecting sleeve rod, a cylindrical bottom column, a threaded sleeve and a base; the base is a cuboid, and four corner positions at the top of the base are fixedly connected with cylindrical bottom columns through bolts; the middle part of the cylindrical bottom column is sleeved with a threaded sleeve, the outer tube wall of the threaded sleeve is fixedly connected with two rotating lugs, the rotating lugs are convenient for rotating the threaded sleeve, the top end of the cylindrical bottom column is sleeved with a round tube-shaped connecting sleeve rod, the top of the cylindrical bottom column is provided with spiral grains, and the cylindrical bottom column is spirally connected with the threaded sleeve by the spiral grains; the top end of the circular tube-shaped connecting sleeve rod is fixedly connected with the hollow connecting rod, the length of the hollow connecting rod is the same as that of the base, and the hollow connecting rod is used for a user to perform physical activities; the top of the threaded sleeve is rotatably connected with a rotating disc, the rotating disc is of an annular structure, the rotating disc is fixedly connected with the bottom end of the circular tubular connecting sleeve rod, and the rotating disc is used for enabling the circular tubular connecting sleeve rod to be rotatably connected with the threaded sleeve. The during operation, when needs heighten the cavity connecting rod, rotate the screw sleeve, at this moment, the screw sleeve shifts up at the top of cylindric foundation, the screw sleeve passes through the rolling disc and makes pipe form adapter sleeve pole shift up, thereby it shifts up to drive the cavity connecting rod, when needs are transferred the cavity connecting rod low, the antiport screw sleeve, at this moment, the screw sleeve moves down at the top of cylindric foundation, the screw sleeve passes through the rolling disc and makes pipe form adapter sleeve pole shift down, thereby it moves down to drive the cavity connecting rod, be convenient for like this adjust the height of cavity connecting rod, this adjustable double-bar for sports teaching has been increased to the application scope of the user of different heights, it fixes again to avoid the manual work to lift up the cavity connecting rod, thereby factor of safety has been improved.
Preferably, the top of the base is positioned between the four cylindrical bottom columns and fixedly connected with a buffer bottom plate, the buffer bottom plate is of a rectangular square box-shaped structure, and two ends of the inner side of the buffer bottom plate are symmetrically and fixedly connected with two second connecting rods; the second connecting rod is sleeved with a sliding block, the sliding block is of an annular structure, two sides of the sliding block are fixedly connected with a first buffer spring and a second buffer spring respectively, and the top end of the sliding block is hinged with the first connecting rod; the top end of the first connecting rod is hinged with the buffer top plate, and the first connecting rod is of a cylindrical structure; the first buffer spring and the second buffer spring are both sleeved on the outer cylindrical surface of the second connecting rod, the spring diameters of the first buffer spring and the second buffer spring are the same, the first buffer spring and the second buffer spring are used for buffering the buffer top plate, and one end of the first buffer spring and one end of the second buffer spring are respectively fixedly connected with two ends of the second connecting rod; the buffering top plate covers the top of the buffering bottom plate, the buffering top plate is of a rectangular square box-shaped structure, and the size of the inner side of the buffering top plate is larger than that of the outer side of the buffering bottom plate. The during operation, when the user drops on the buffering roof, the buffering roof receives user's action of gravity to move down, make first connecting rod promote the slider to the direction removal that is close to the buffering bottom plate inner wall on the second connecting rod, at this moment, second buffer spring cushions the buffering roof, thereby cushion user's whereabouts, move down to minimum when the buffering roof, second buffer spring resumes deformation and promotes slider reverse slip, at this moment, first buffer spring hinders the slip of slider, thereby reduce the resilience height of buffering roof, and then carry out safety protection to the user.
Preferably, the positions of the top of the outer side of the buffer bottom plate, which correspond to the four second connecting rods, are fixedly connected with L-shaped piston cylinders, and piston rods are arranged on the inner sides of the L-shaped piston cylinders; the top end of the piston rod is fixedly connected with the inner wall of the buffer top plate, the bottom end of the piston rod is provided with a round rubber plug, the outer diameter of the round rubber plug is the same as the inner diameter of the vertical section of the L-shaped piston cylinder, and the round rubber plug is used for compressing air in the L-shaped piston cylinder; an elastic rubber film is bonded at the opening position of the horizontal section of the L-shaped piston cylinder, and the buffer top plate is extruded when one side of the elastic rubber film is raised. The during operation, when the buffer roof moved down, the piston rod moved down in the inside of L type piston cylinder, and the piston rod compresses the inside air of L type piston cylinder, and the air of compression makes the elastic rubber membrane take place the inflation, utilizes the inner wall of expanded elastic rubber membrane extrusion buffer roof to reduce the resilience effect of buffer roof, improved factor of safety.
Preferably, a rubber brake sheet is bonded on the outer wall of the elastic rubber membrane; the inside of rubber piece of stopping is equipped with steel wire fiber, and steel wire fiber is used for prolonging the life that rubber piece of stopping. The during operation, when the elastic rubber membrane inflation, the elastic rubber membrane extrudees the inner wall of buffering roof, and at this moment, the rubber piece of stopping is located between buffering roof and the elastic rubber membrane, protects the elastic rubber membrane, avoids the direct inner wall contact with buffering roof of elastic rubber membrane to the life of elastic rubber membrane has been prolonged.
Preferably, the number of the circular tubular connecting sleeve rods is four, nylon safety belts are arranged at the bottom ends of the four circular tubular connecting sleeve rods and are of a belt-shaped structure, and two nylon safety belts arranged on the two circular tubular connecting sleeve rods at the same end of the base are mutually bonded through magic tapes; the length of magic subsides is the same with the length of nylon safety belt, and the magic is used for making two nylon safety belts firm in connection. The during operation, when child need carry out the shank on the thick stick and straighten the training, it is firm to paste the bonding through the magic between two adjacent nylon safety belts, and two firm nylon safety belts of zonulae occludens support child's back, are convenient for carry out safety protection to child like this, and simultaneously, be convenient for correct its action, improve factor of safety and teaching quality.
Preferably, the inner part of the circular tubular connecting sleeve rod is rotatably connected with a rotating shaft; one end of the rotating shaft is fixedly connected with a plastic adjusting disc on the outer side of the circular tube-shaped connecting sleeve rod, a bearing is arranged at the connecting position of the plastic adjusting disc and the wall thickness of the circular tube-shaped connecting sleeve rod, the rotating shaft is fixedly connected with one end of a nylon safety belt, and the other end of the nylon safety belt is fixedly connected with a cross rod. The during operation, after the nylon safety belt used, rotate the plastics adjustment disk and drive the axis of rotation and rotate, the axis of rotation carries out the rolling to the nylon safety belt, and exposed nylon safety belt is retrieved to the inside of pipe form connecting sleeve pole, avoids the rainwater to drench the nylon safety belt to guarantee the normal use of nylon safety belt, and the life of extension nylon safety belt.
Preferably, the cylindrical bottom pillar is provided with scale bars, and the position of the cylindrical bottom pillar corresponding to the scale bars is coated with transparent antirust paint. During operation, rotate four threaded sleeve's bottom and correspond same scale mark to make the both ends level of cavity connecting rod, transparent anti-rust paint is convenient for observe the scale, and prolongs the life of cylindric foundation, and convenient to use person uses, improves the quality of training.
The utility model has the advantages as follows:
1. the utility model discloses, use through first buffer spring and second buffer spring cooperation, weaken the resilience effect of buffer roof after buffering buffer roof, avoid kick-backing to cause user's injury, improve factor of safety; move in L type piston cylinder through the piston rod for the elasticity rubber membrane inflation, thereby make the rubber piece of stopping carry out the secondary to the resilience of buffer roof and weaken, and then improve buffer roof's factor of safety.
2. The utility model supports the user by mutually bonding the two nylon safety belts, and the two nylon safety belts are convenient to separate, so that the user can conveniently use the nylon safety belts; the nylon safety belt is recovered to the inside of the circular tubular connecting sleeve rod through the rotating shaft, and the service life of the nylon safety belt is prolonged.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic cross-sectional view of the top buffer plate and the bottom buffer plate of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
in the figure: the device comprises a hollow connecting rod 1, a tubular connecting sleeve rod 2, a rotating shaft 21, a nylon safety belt 22, a cylindrical bottom column 3, a threaded sleeve 31, a base 4, a buffer top plate 41, a first connecting rod 411, a buffer bottom plate 42, a second connecting rod 421, a first buffer spring 422, a sliding block 423, a second buffer spring 424, an L-shaped piston cylinder 5, a piston rod 51, an elastic rubber membrane 52 and a rubber brake sheet 53.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1 to 4, a shock-absorbing adjustable parallel bar comprises a hollow connecting rod 1, a tubular connecting sleeve rod 2, a cylindrical bottom column 3, a threaded sleeve 31 and a base 4; the base 4 is a cuboid, and four corner positions at the top of the base 4 are fixedly connected with the cylindrical bottom columns 3 through bolts; the middle part of the cylindrical bottom column 3 is sleeved with a threaded sleeve 31, the outer tube wall of the threaded sleeve 31 is fixedly connected with two rotating lugs, the rotating lugs are convenient for rotating the threaded sleeve 31, the top end of the cylindrical bottom column 3 is sleeved with a round tube-shaped connecting sleeve rod 2, spiral threads are formed in the top part of the cylindrical bottom column 3, and the cylindrical bottom column 3 is in spiral connection with the threaded sleeve 31 by forming the spiral threads; the top end of the circular tube-shaped connecting sleeve rod 2 is fixedly connected with the hollow connecting rod 1, the length of the hollow connecting rod 1 is the same as that of the base 4, and the hollow connecting rod 1 is used for a user to perform physical activities; the top of the threaded sleeve 31 is rotatably connected with a rotating disc, the rotating disc is of an annular structure, the rotating disc is fixedly connected with the bottom end of the circular tubular connecting sleeve rod 2, and the rotating disc is used for rotatably connecting the circular tubular connecting sleeve rod 2 with the threaded sleeve 31. The during operation, when needs heighten cavity connecting rod 1, rotate threaded sleeve 31, at this moment, threaded sleeve 31 shifts up at cylindric foundation 3's top, threaded sleeve 31 makes pipe form connecting loop bar 2 shift up through the rolling disc, thereby drive cavity connecting rod 1 and shift up, when needs are adjusted low cavity connecting rod 1, reverse rotation threaded sleeve 31, at this moment, threaded sleeve 31 moves down at cylindric foundation 3's top, threaded sleeve 31 makes pipe form connecting loop bar 2 move down through the rolling disc, thereby drive cavity connecting rod 1 and move down, be convenient for like this adjust the height of cavity connecting rod 1, this adjustable double-lever for sports teaching has been increased to the application scope of the user of different heights, it fixes to avoid the manual work to lift cavity connecting rod 1 again, thereby factor of safety has been improved.
The top of the base 4 is positioned between the four cylindrical bottom columns 3 and fixedly connected with a buffer bottom plate 42, the buffer bottom plate 42 is of a rectangular square box-shaped structure, and two ends of the inner side of the buffer bottom plate 42 are symmetrically and fixedly connected with two second connecting rods 421; the second connecting rod 421 is sleeved with a sliding block 423, the sliding block 423 is of an annular structure, two sides of the sliding block 423 are fixedly connected with a first buffer spring 422 and a second buffer spring 424 respectively, and the top end of the sliding block 423 is hinged with the first connecting rod 411; the top end of the first connecting rod 411 is hinged with the buffer top plate 41, and the first connecting rod 411 is of a cylindrical structure; the first buffer spring 422 and the second buffer spring 424 are sleeved on the outer cylindrical surface of the second connecting rod 421, the spring diameters of the first buffer spring 422 and the second buffer spring 424 are the same, the first buffer spring 422 and the second buffer spring 424 are used for buffering the buffer top plate 41, and one end of the first buffer spring 422 and one end of the second buffer spring 424 are fixedly connected with two ends of the second connecting rod 421 respectively; the buffer top plate 41 covers the top of the buffer bottom plate 42, the buffer top plate 41 is of a rectangular square box-shaped structure, and the size of the inner side of the buffer top plate 41 is larger than that of the outer side of the buffer bottom plate 42. During operation, when the user drops on buffering roof 41, buffering roof 41 receives user's action of gravity to move down, make first connecting rod 411 promote slider 423 and move to the direction that is close to buffering bottom plate 42 inner wall on second connecting rod 421, at this moment, second buffer spring 424 cushions buffering roof 41, thereby cushion user's whereabouts, move down to when minimum when buffering roof 41, second buffer spring 424 resumes deformation and promotes slider 423 reverse slip, at this moment, first buffer spring 422 hinders the slip of slider 423, thereby reduce the resilience height of buffering roof 41, and then carry out safety protection to the user.
The top of the outer side of the buffer bottom plate 42 is fixedly connected with the L-shaped piston cylinder 5 at the position corresponding to the four second connecting rods 421, and the inner side of the L-shaped piston cylinder 5 is provided with a piston rod 51; the top end of the piston rod 51 is fixedly connected with the inner wall of the buffer top plate 41, the bottom end of the piston rod 51 is provided with a round rubber plug, the outer diameter of the round rubber plug is the same as the inner diameter of the vertical section of the L-shaped piston cylinder 5, and the round rubber plug is used for compressing air inside the L-shaped piston cylinder; an elastic rubber film 52 is bonded to the opening of the horizontal section of the L-shaped piston cylinder 5, and one side of the elastic rubber film 52 extrudes the buffer top plate 41 when protruding. During operation, when buffer roof 41 moves down, piston rod 51 moves down in the inside of L type piston tube 5, and piston rod 51 compresses the inside air of L type piston tube 5, and the compressed air makes elastic rubber membrane 52 take place the inflation, utilizes the inner wall of expanded elastic rubber membrane 52 extrusion buffer roof 41 to reduce the resilience effect of buffer roof 41, improved factor of safety.
A rubber brake sheet 53 is bonded on the outer wall of the elastic rubber membrane 52; rubber brake sheet 53's inside is equipped with steel wire fiber, and steel wire fiber is used for prolonging rubber brake sheet 53's life. During operation, when elastic rubber membrane 52 expands, elastic rubber membrane 52 extrudes the inner wall of buffer roof plate 41, and at this moment, rubber brake sheet 53 is located between buffer roof plate 41 and elastic rubber membrane 52, protects elastic rubber membrane 52, avoids elastic rubber membrane 52 direct and buffer roof plate 41's inner wall contact to elastic rubber membrane 52's life has been prolonged.
The number of the circular tubular connecting sleeve rods 2 is four, the nylon safety belts 22 are arranged at the bottom ends of the four circular tubular connecting sleeve rods 2, and the nylon safety belts 22 are of a belt-shaped structure, wherein the two nylon safety belts 22 arranged on the two circular tubular connecting sleeve rods 2 at the same end of the base 4 are mutually bonded through magic tapes; the length of the magic tape is the same as that of the nylon safety belt, and the magic tape is used for enabling the two nylon safety belts 22 to be firmly connected. The during operation, when child need carry out the shank on the thick stick and straighten the training, it is firm to paste the bonding through the magic between two adjacent nylon safety belts 22, and two firm nylon safety belts 22 of zonulae occludens support child's back, are convenient for carry out safety protection to child like this, and simultaneously, are convenient for correct its action, improve factor of safety and teaching quality.
The inner part of the circular tube-shaped connecting sleeve rod 2 is rotatably connected with a rotating shaft 21; one end of the rotating shaft 21 is fixedly connected with a plastic adjusting disc on the outer side of the circular tube-shaped connecting sleeve rod 2, a bearing is arranged at the connecting position of the plastic adjusting disc and the wall thickness of the circular tube-shaped connecting sleeve rod 2, the rotating shaft 21 is fixedly connected with one end of a nylon safety belt 22, and the other end of the nylon safety belt 22 is fixedly connected with a cross rod. The during operation, after nylon safety belt 22 used, rotate the plastics adjustment disk and drive axis of rotation 21 and rotate, axis of rotation 21 carries out the rolling to nylon safety belt 22, and exposed nylon safety belt 22 is retrieved to the inside of pipe form connecting loop bar 2, avoids the rainwater to drench nylon safety belt 22 to guarantee nylon safety belt 22's normal use, and prolong nylon safety belt 22's life.
The cylindrical bottom pillar 3 is provided with scale bars, and the position of the cylindrical bottom pillar 3 corresponding to the scale bars is coated with transparent antirust paint. The during operation rotates four threaded sleeve 31's bottom and corresponds same scale mark to make the both ends level of cavity connecting rod 1, transparent anti-rust paint is convenient for observe the scale, and prolongs cylindric sill pillar 3's life, and the person of facilitating the use uses, improves the quality of training.
During operation, when the hollow connecting rod 1 needs to be heightened, the threaded sleeve 31 is rotated, at this time, the threaded sleeve 31 moves upwards on the top of the cylindrical bottom column 3, the threaded sleeve 31 enables the circular tube-shaped connecting sleeve rod 2 to move upwards through the rotating disc, so as to drive the hollow connecting rod 1 to move upwards, when the hollow connecting rod 1 needs to be lowered, the threaded sleeve 31 is rotated reversely, at this time, the threaded sleeve 31 moves downwards on the top of the cylindrical bottom column 3, the threaded sleeve 31 enables the circular tube-shaped connecting sleeve rod 2 to move downwards through the rotating disc, so as to drive the hollow connecting rod 1 to move downwards, when a user falls on the buffer top plate 41, the buffer top plate 41 moves downwards under the action of the gravity of the user, so that the first connecting rod 411 pushes the sliding block 423 to move on the second connecting rod in the direction close to the inner wall of the buffer bottom plate 42, at this time, the second buffer spring 424 buffers the buffer top plate 41, when the buffer top plate 41 moves downwards to the lowest position, the second buffer spring 424 recovers deformation to push the slider 423 to slide reversely, at this time, the first buffer spring 422 hinders the slider 423 to slide, when the buffer top plate 41 moves downwards, the piston rod 51 moves downwards in the L-shaped piston cylinder 5, the piston rod 51 compresses air in the L-shaped piston cylinder 5, the compressed air expands the elastic rubber film 52, the inner wall of the buffer top plate 41 is pressed by the expanded elastic rubber film 52, so as to reduce the rebound effect of the buffer top plate 41, when the elastic rubber film 52 expands, the elastic rubber film 52 presses the inner wall of the buffer top plate 41, at this time, the rubber brake piece 53 is located between the buffer top plate 41 and the elastic rubber film 52 to protect the elastic rubber film 52, when a child needs to do leg straightening training on a lever, the adjacent two nylon safety belts 22 are firmly adhered through magic adhesion, two firm nylon safety belt 22 of zonulae occludens support child's back, after nylon safety belt 22 used up, it drives axis of rotation 21 to rotate the plastics adjustment disk, axis of rotation 21 carries out the rolling to nylon safety belt 22, exposed nylon safety belt 22 is retrieved to the inside of pipe form connecting loop bar 2, the horizontal pole is used for avoiding nylon safety belt 22 to drop into the inside of pipe form connecting loop bar 2, the bottom of rotating four threaded sleeve 31 corresponds same scale mark, thereby make the both ends level of cavity connecting rod 1.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an adjustable parallel bars of shock attenuation formula which characterized in that: comprises a hollow connecting rod (1), a tubular connecting sleeve rod (2), a cylindrical bottom column (3), a threaded sleeve (31) and a base (4); the base (4) is a cuboid, and four corner positions at the top of the base (4) are fixedly connected with the cylindrical bottom column (3) through bolts; the middle part of the cylindrical bottom column (3) is sleeved with a threaded sleeve (31), the outer tube wall of the threaded sleeve (31) is fixedly connected with two rotating lugs, the top end of the cylindrical bottom column (3) is sleeved with a round tube-shaped connecting sleeve rod (2), and the top part of the cylindrical bottom column (3) is provided with spiral threads; the top end of the circular tube-shaped connecting sleeve rod (2) is fixedly connected with the hollow connecting rod (1), and the length of the hollow connecting rod (1) is the same as that of the base (4); the top of the threaded sleeve (31) is rotatably connected with a rotating disc, the rotating disc is of an annular structure, and the rotating disc is fixedly connected with the bottom end of the circular tubular connecting sleeve rod (2);
the top of the base (4) is positioned between the four cylindrical bottom columns (3) and fixedly connected with a buffer bottom plate (42), the buffer bottom plate (42) is of a rectangular square box-shaped structure, and two ends of the inner side of the buffer bottom plate (42) are symmetrically and fixedly connected with two second connecting rods (421); the second connecting rod (421) is sleeved with a sliding block (423), the sliding block (423) is of an annular structure, two sides of the sliding block (423) are fixedly connected with a first buffer spring (422) and a second buffer spring (424) respectively, and the top end of the sliding block (423) is hinged with the first connecting rod (411); the top end of the first connecting rod (411) is hinged with the buffer top plate (41), and the first connecting rod (411) is of a cylindrical structure; the first buffer spring (422) and the second buffer spring (424) are sleeved on the outer cylindrical surface of the second connecting rod (421), the spring diameters of the first buffer spring (422) and the second buffer spring (424) are the same, and one end of the first buffer spring (422) and one end of the second buffer spring (424) are fixedly connected with two ends of the second connecting rod (421) respectively; the buffer top plate (41) covers the top of the buffer bottom plate (42), the buffer top plate (41) is of a rectangular square box-shaped structure, and the size of the inner side of the buffer top plate (41) is larger than that of the outer side of the buffer bottom plate (42).
2. A shock absorbing adjustable parallel bar according to claim 1, wherein: the top of the outer side of the buffer bottom plate (42) is fixedly connected with an L-shaped piston cylinder (5) at the position corresponding to the four second connecting rods (421), and a piston rod (51) is arranged on the inner side of the L-shaped piston cylinder (5); the top end of the piston rod (51) is fixedly connected with the inner wall of the buffer top plate (41), a round rubber plug is arranged at the bottom end of the piston rod (51), and the outer diameter of the round rubber plug is the same as the inner diameter of the vertical section of the L-shaped piston cylinder (5); an elastic rubber film (52) is bonded at the opening position of the horizontal section of the L-shaped piston cylinder (5).
3. A shock absorbing adjustable parallel bar according to claim 2, wherein: a rubber brake sheet (53) is bonded on the outer wall of the elastic rubber film (52); and steel wire fibers are arranged inside the rubber brake sheet (53).
4. A shock absorbing adjustable parallel bar according to claim 1, wherein: the number of the circular tubular connecting sleeve rods (2) is four, nylon safety belts (22) are arranged at the bottom ends of the four circular tubular connecting sleeve rods (2), the nylon safety belts (22) are of a belt-shaped structure, and the two nylon safety belts (22) arranged on the two circular tubular connecting sleeve rods (2) at the same end of the base (4) are mutually bonded through magic tapes; the length of the magic tape is the same as that of the nylon safety belt.
5. A shock absorbing adjustable parallel bar according to claim 4, wherein: the inner part of the circular tube-shaped connecting sleeve rod (2) is rotatably connected with a rotating shaft (21); one end of the rotating shaft (21) is fixedly connected with a plastic adjusting disc on the outer side of the circular tube-shaped connecting sleeve rod (2), a bearing is arranged at the connecting position of the plastic adjusting disc and the wall thickness of the circular tube-shaped connecting sleeve rod (2), the rotating shaft (21) is fixedly connected with one end of a nylon safety belt (22), and the other end of the nylon safety belt (22) is fixedly connected with a cross rod.
6. A shock absorbing adjustable parallel bar according to claim 1, wherein: the cylindrical bottom pillar (3) is provided with scale strips, and the position of the cylindrical bottom pillar (3) corresponding to the scale strips is coated with transparent antirust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076669.5U CN210096762U (en) | 2018-12-11 | 2018-12-11 | Adjustable parallel bars of shock attenuation formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076669.5U CN210096762U (en) | 2018-12-11 | 2018-12-11 | Adjustable parallel bars of shock attenuation formula |
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| Publication Number | Publication Date |
|---|---|
| CN210096762U true CN210096762U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822076669.5U Expired - Fee Related CN210096762U (en) | 2018-12-11 | 2018-12-11 | Adjustable parallel bars of shock attenuation formula |
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| CN (1) | CN210096762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113616974A (en) * | 2021-07-30 | 2021-11-09 | 刘杰 | Anti-reverse-turning protector for parallel bar training |
-
2018
- 2018-12-11 CN CN201822076669.5U patent/CN210096762U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113616974A (en) * | 2021-07-30 | 2021-11-09 | 刘杰 | Anti-reverse-turning protector for parallel bar training |
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