CN220989525U - Driving structure of balancing weight - Google Patents
Driving structure of balancing weight Download PDFInfo
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- CN220989525U CN220989525U CN202322676969.8U CN202322676969U CN220989525U CN 220989525 U CN220989525 U CN 220989525U CN 202322676969 U CN202322676969 U CN 202322676969U CN 220989525 U CN220989525 U CN 220989525U
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- positioning
- driving structure
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- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims description 31
- 230000037431 insertion Effects 0.000 claims description 31
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a driving structure of a balancing weight. The utility model comprises an inserting hole which is arranged on an upper top plate at intervals, a coating groove which is communicated with the inserting hole is arranged at the bottom of the top plate, the coating groove can be used for accommodating a plurality of balancing weights with positioning holes, the positioning holes of the balancing weights correspond to the inserting holes, a limiting part is arranged on the upper top plate, part of the limiting part can be in sliding connection with the inserting hole, an adjusting disc is coaxially connected with one end of a rotating shaft and can be used for driving the rotating shaft to rotate, a cam is coaxially connected with the rotating shaft, when the cam rotates until the limiting part contacts with a concave part of the cam, the end part of the limiting part far away from the cam moves into the positioning hole on the front side of the upper top plate, and when the cam rotates until the limiting part contacts with a convex part of the cam, the end part of the limiting part far away from the cam penetrates through the positioning hole on the front side of the upper top plate to the positioning hole on the rear side of the upper top plate and moves into the positioning hole on the rear side of the upper top plate. The utility model is used for reducing the damage caused by impact, improves the service life and is suitable for long-term use.
Description
Technical Field
The utility model relates to the field of fitness equipment, in particular to a driving structure of a balancing weight.
Background
Exercise equipment is often divided into a single function type and a comprehensive type of multi-function type according to the training function, and there are rowing machines, body building vehicles, walking machines, running machines, waist building machines and the like in common use.
As shown in FIG. 1, most balancing weights in the market at present are horizontally stacked, however, in order to reduce the height of the balancing weights, some manufacturers can vertically place a plurality of balancing weights at intervals, so that the height of the balancing weights is effectively reduced, as shown in FIG. 2, the upper parts of the balancing weights are inserted into the bottoms of the upper top plates, the upper parts of the balancing weights horizontally penetrate through insertion holes, positioning holes corresponding to the insertion holes are formed in the upper top plates, the upper top plates can be pulled up by users, electromagnetic bolts are arranged on the upper top plates, bolt parts penetrating through the positioning holes and are inserted into the insertion holes through the electromagnetic bolts, so that the balancing weights with required weight can be taken up when the users pull up the upper top plates upwards, the cost is too high through the electromagnetic bolts, meanwhile, the daily users can rapidly take off hands after the upper top plates are pulled up upwards due to the fact that part of the users can quickly take off hands, the upper top plates and the balancing weights are broken down, the situation that the electromagnetic bolts are damaged due to vibration is easy to damage is caused, and the service life is low, and the electromagnetic bolts are not suitable for long-term use.
Disclosure of utility model
The utility model aims to provide a driving structure of a balancing weight, so that the driving structure is used for reducing the damage caused by impact, prolonging the service life and being suitable for long-term use.
The utility model adopts the following technical scheme:
a driving structure of a weight, comprising:
The upper top plate is provided with insertion holes at intervals, the insertion holes horizontally penetrate through the rear side of the upper top plate from the front side of the upper top plate, the bottom of the upper top plate is provided with a coating groove communicated with the insertion holes, the coating groove can be used for accommodating a plurality of balancing weights with positioning holes, and the positioning holes of the balancing weights correspond to the insertion holes;
The limiting part is arranged on the upper top plate, and part of the limiting part can be horizontally and slidably connected with the insertion hole;
The two ends of the rotating shaft are respectively connected with the left end and the right end of the upper top plate;
the adjusting disc is coaxially connected to one end of the rotating shaft and can be used for driving the rotating shaft to rotate along the axis of the adjusting disc;
The cam, cam coaxial coupling is in the pivot, the periphery of cam has at least one concave part and a bulge, the tip that the spacing portion kept away from the patchhole is continuous with the periphery of cam, and when the cam rotated to spacing portion and the concave part contact of cam, the tip that the spacing portion kept away from the cam moved to the locating hole of the front side of upper roof, and when the cam rotated to spacing portion and the bulge contact of cam, the tip that the spacing portion kept away from the cam runs through to the locating hole of balancing weight and moved to the locating hole of the rear side of upper roof from the locating hole of the front side of upper roof.
Preferably, the limit part comprises a slide bar, a positioning plate, a positioning rod and a spring, wherein the slide bar is fixedly connected to the front side of the upper top plate, the slide bar corresponds to the positioning rod in position, the positioning plate is horizontally and slidably connected with the slide bar, the positioning rod is horizontally and slidably connected with the insertion hole, the positioning rod is fixedly connected with the positioning plate, the spring is sleeved on the positioning rod, one end of the spring is connected with the positioning plate, and the other end of the spring is connected with the outer wall of the insertion hole.
Preferably, the end of the positioning rod far away from the insertion hole is a roller 10, and the roller 10 can be continuously contacted with the periphery of the cam.
Preferably, grooves are distributed on the roller 10 along the outer circumference thereof, and the parts of the cams contacting the grooves are accommodated in the grooves.
Preferably, the number of cams is n, n being a positive odd number.
Preferably, the driving structure of the balancing weight comprises seven cams, and the cams distributed leftwards along the middle position are symmetrical to the cams distributed rightwards along the middle position.
Preferably, the outer wall of the adjusting disk is formed by a plurality of adjacent convex teeth and concave teeth.
Compared with the prior art, the utility model has the beneficial effects that at least:
When the cam is rotated through the adjusting plate during operation, when the limiting part is contacted with the protruding part of the cam, the end part of the limiting part, which is far away from the cam, penetrates through the positioning hole at the front side of the upper top plate and moves into the positioning hole at the rear side of the upper top plate, at the moment, a user can lift the upper top plate and the balancing weight to move upwards, and when the user puts down the balancing weight and the upper top plate, the limiting part, the adjusting plate and the cam are all mechanical mechanisms, so that the damage probability caused by impact is effectively reduced, and the service life of equipment is prolonged.
Drawings
FIG. 1 is a schematic diagram of a prior art stacked arrangement of weights;
FIG. 2 is a schematic diagram of a prior art structure employing electromagnetic pins;
FIG. 3 is a schematic diagram of the combination of the shaft, cam and adjustment plate in the driving structure of the balancing weight according to the embodiment of the present utility model;
FIG. 4 is a schematic view of the top plate in the driving structure of the counterweight according to the embodiment of the utility model;
FIG. 5 is a schematic diagram of the overall structure of the driving structure of the counterweight according to the embodiment of the utility model;
FIG. 6 is an enlarged schematic view of the structure of portion A of FIG. 5;
Fig. 7 is a schematic structural view of the weight.
In the figure: 1. an upper top plate; 2. an insertion hole; 3. a coating groove; 4. balancing weight; 5. positioning holes; 6. a limit part; 60. a slide bar; 61. a positioning plate; 62. a positioning rod; 63. a spring; 7. a rotating shaft; 8. an adjusting plate; 9. a cam; 90. a protruding portion; 91. a recessed portion; 10. a roller; 11. a groove; 12. an electromagnetic bolt.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a repetitive description thereof will be omitted.
The words expressing the positions and directions described in the present utility model are described by taking the drawings as an example, but can be changed according to the needs, and all the changes are included in the protection scope of the present utility model.
The utility model discloses a driving structure of a balancing weight 4, which comprises an upper top plate 1, a limiting part 6, a rotating shaft 7, an adjusting disc 8 and a cam 9.
As shown in fig. 3 to 7, the upper top plate 1 is provided with insertion holes 2 at intervals, the insertion holes 2 horizontally penetrate through the rear side of the upper top plate 1 from the front side of the upper top plate 1, the bottom of the upper top plate 1 is provided with a coating groove 3 communicated with the insertion holes 2, the coating groove 3 can be used for accommodating a plurality of balancing weights 4 with positioning holes 5, specifically, the heads of the balancing weights 4 are accommodated, the positioning holes 5 of the balancing weights 4 correspond to the insertion holes 2, a limiting part 6 is arranged on the upper top plate 1, part of the limiting part 6 can be horizontally and slidably connected with the insertion holes 2, two ends of a rotating shaft 7 are respectively connected with the left end and the right end of the upper top plate 1, an adjusting disc 8 is coaxially connected with one end of the rotating shaft 7 and can be used for driving the rotating shaft 7 to rotate along the axis thereof, a cam 9 is coaxially connected with the rotating shaft 7, the periphery of the cam 9 is provided with at least one concave part 91 and one convex part 90, the concave part 91 is connected with the convex part 90, the end of the limit part 6 away from the insertion hole 2 is continuously contacted with the outer circumference of the cam 9, when the cam 9 rotates until the limit part 6 is contacted with the concave part 91 of the cam 9, the end of the limit part 6 away from the cam 9 moves into the positioning hole 5 at the front side of the upper top plate 1, when the cam 9 rotates until the limit part 6 is contacted with the convex part 90 of the cam 9, the end of the limit part 6 away from the cam 9 penetrates the positioning hole 5 at the front side of the upper top plate 1 to the positioning hole 5 of the balancing weight 4 and moves into the positioning hole 5 at the rear side of the upper top plate 1, specifically, in operation, a user can rotate the cam 9 through the adjusting disc 8, when the limit part 6 is contacted with the convex part 90 of the cam 9, the convex part 90 presses the part of the limit part 6, so that the end of the limit part 6 away from the cam 9 is inserted from the positioning hole 5 at the front side of the upper top plate 1, through to in the locating hole 5 of balancing weight 4, move to inserting in the locating hole 5 of the rear side of roof 1 afterwards, the user can lift roof 1 and balancing weight 4 and upwards remove this moment, when the user put down balancing weight 4 and roof 1, because spacing portion 6, regulating plate 8 and cam 9 are mechanical mechanism, replaced electromagnetic bolt structure, effectively reduced the probability of causing the damage because of the impact of putting down, improved the life of equipment, also avoided simultaneously because of stacking the problem that put balancing weight 4 and lead to highly higher.
As a further implementation manner of this embodiment, as shown in fig. 5 to 6, the limiting portion 6 includes a slide bar 60, a positioning plate 61, a positioning rod 62 and a spring 63, at this time, the slide bar 60 is fixedly connected to the front side of the upper top plate 1, the slide bar 60 corresponds to the position of the positioning rod 62, the positioning plate 61 is horizontally slidably connected to the slide bar 60, the positioning rod 62 is horizontally slidably connected to the insertion hole 2, the positioning rod 62 is fixedly connected to the positioning plate 61, the spring 63 is sleeved on the positioning rod 62, one end of the spring 63 is connected to the positioning plate 61, the other end of the spring 63 is connected to the outer wall of the insertion hole 2, specifically, when the weight is needed, the adjusting disc 8 is rotated to enable the protruding portion 90 of the cam 9 to contact with one end of the positioning rod 62, at this time, the protruding portion 90 of the cam 9 presses the positioning rod 62 to horizontally move, the positioning plate 61 is pressed against the spring 63, at this time, the spring 63 has elasticity, the positioning rod 62 moves to the insertion hole 2 from the front side of the upper top plate 1, the corresponding weight 4 is inserted into the insertion hole 2 on the rear side of the upper top plate 1, then, the weight 4 can be lifted up, and the mechanical end of the adjusting disc is not needed to be lifted by the adjusting disc 9, and the mechanical end is not needed to be moved away from the positioning plate 62, and is not easy to be moved by the adjusting disc, and is not needed to be moved by the adjusting the end of the positioning plate 2.
As a further implementation of this embodiment, as shown in fig. 5 to 6, the end of the positioning rod 62 away from the insertion hole 2 is a roller 10, the roller 10 may be continuously contacted with the outer circumference of the cam 9, and the roller 10 may improve the smoothness when the roller 10 is contacted with the outer circumference of the cam 9, so that the user may more easily and conveniently rotate the adjusting disc 8.
As a further implementation of this embodiment, grooves 11 are distributed on the roller 10 along the outer circumference thereof, and the portion of the cam 9 contacting with the grooves 11 is accommodated in the grooves 11, and the grooves 11 are arranged to enable the cam 9 to continuously be clamped in the grooves 11 during rotation, thereby improving stability during use.
As a further implementation of this embodiment, the number of cams 9 is n, n being a positive odd number, for example, 1, 3, 5, 7, 9, 11, 13, 15.
As a further implementation manner of this embodiment, as shown in fig. 3, the driving structure of the balancing weight 4 includes seven cams 9, and the cams 9 arranged leftwards along the middle position are symmetrical to the cams 9 arranged rightwards along the middle position, specifically, the shapes and positions of the cams 9 arranged along the middle to two sides are symmetrical, so that the positioning rods 62 at the symmetrical positions can be inserted into the corresponding balancing weights 4, thereby improving balance and being safer to use.
As a further implementation manner of this embodiment, as shown in fig. 5, the outer wall of the adjusting disk 8 is formed by a plurality of adjacent convex teeth and concave teeth, and the arrangement of the convex teeth and the concave teeth can enable the friction force between the user and the hand of the user to be increased when the user uses the adjusting disk 8, so that the use is more convenient.
While embodiments of the present utility model have been shown and described, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that changes, modifications, substitutions and alterations may be made therein by those of ordinary skill in the art without departing from the spirit and scope of the utility model, all such changes being within the scope of the appended claims.
Claims (7)
1. A driving structure of a counterweight, comprising:
The upper top plate is provided with insertion holes at intervals, the insertion holes horizontally penetrate through the rear side of the upper top plate from the front side of the upper top plate, the bottom of the upper top plate is provided with a coating groove communicated with the insertion holes, the coating groove can be used for accommodating a plurality of balancing weights with positioning holes, and the positioning holes of the balancing weights correspond to the insertion holes;
The limiting part is arranged on the upper top plate, and part of the limiting part can be horizontally and slidably connected with the insertion hole;
The two ends of the rotating shaft are respectively connected with the left end and the right end of the upper top plate;
the adjusting disc is coaxially connected to one end of the rotating shaft and can be used for driving the rotating shaft to rotate along the axis of the adjusting disc;
The cam, cam coaxial coupling is in the pivot, the periphery of cam has at least one concave part and a bulge, the tip that the spacing portion kept away from the patchhole is continuous with the periphery of cam, and when the cam rotated to spacing portion and the concave part contact of cam, the tip that the spacing portion kept away from the cam moved to the locating hole of the front side of upper roof, and when the cam rotated to spacing portion and the bulge contact of cam, the tip that the spacing portion kept away from the cam runs through to the locating hole of balancing weight and moved to the locating hole of the rear side of upper roof from the locating hole of the front side of upper roof.
2. The driving structure of the balancing weight according to claim 1, wherein the limiting portion comprises a sliding rod, a positioning plate, a positioning rod and a spring, the sliding rod is fixedly connected to the front side of the upper top plate, the sliding rod corresponds to the positioning rod in position, the positioning plate is horizontally and slidably connected with the sliding rod, the positioning rod is horizontally and slidably connected with the insertion hole, the positioning rod is fixedly connected with the positioning plate, the spring is sleeved on the positioning rod, one end of the spring is connected with the positioning plate, and the other end of the spring is connected with the outer wall of the insertion hole.
3. The driving structure of the balancing weight according to claim 2, wherein the end of the positioning rod away from the insertion hole is a roller (10), and the roller (10) can be continuously contacted with the periphery of the cam.
4. A driving structure of a counterweight according to claim 3, characterized in that grooves are distributed on the roller (10) along its outer circumference, and the parts of the cams contacting the grooves are accommodated in the grooves.
5. The driving structure of the counterweight according to claim 1, wherein the number of cams is n, n being a positive odd number.
6. The driving structure of the weight according to claim 4, wherein the driving structure of the weight includes seven cams, and the cams arranged leftwards along the intermediate position are symmetrical with the cams arranged rightwards along the intermediate position.
7. The driving structure of the balancing weight according to claim 1, wherein the outer wall of the adjusting disk is composed of a plurality of adjacent convex teeth and concave teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322676969.8U CN220989525U (en) | 2023-10-07 | 2023-10-07 | Driving structure of balancing weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322676969.8U CN220989525U (en) | 2023-10-07 | 2023-10-07 | Driving structure of balancing weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220989525U true CN220989525U (en) | 2024-05-24 |
Family
ID=91086479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322676969.8U Active CN220989525U (en) | 2023-10-07 | 2023-10-07 | Driving structure of balancing weight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220989525U (en) |
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2023
- 2023-10-07 CN CN202322676969.8U patent/CN220989525U/en active Active
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