CN2647358Y - Adjustable windage device for exercising apparatus - Google Patents
Adjustable windage device for exercising apparatus Download PDFInfo
- Publication number
- CN2647358Y CN2647358Y CN 03252042 CN03252042U CN2647358Y CN 2647358 Y CN2647358 Y CN 2647358Y CN 03252042 CN03252042 CN 03252042 CN 03252042 U CN03252042 U CN 03252042U CN 2647358 Y CN2647358 Y CN 2647358Y
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- Prior art keywords
- central shaft
- sleeved
- shaft
- adjusting button
- hollow
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- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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Abstract
The utility model discloses an adjustable windage device for an exercising apparatus, which comprises a plurality of hollow frames, a central shaft and an adjusting button, wherein the hollow frames are fixedly equispaced on the periphery of a shaft tube, and guide slots are formed on the inner frame walls of the hollow frames. The central shaft can be sheathed in the shaft tube and is fixedly provided with vanes in the same number as the hollow frames, and the vanes can be respectively sheathed in the guide slots of the hollow frames. The adjusting button can be fixedly locked on one end of the central shaft. The central shaft can be driven to rotate in positioned way by forward and backward rotating the adjusting button, and then the vanes sheathed in the guide slots of the hollow frames simultaneously outward extend or inward retract. When completely sealing off the hollow holes of the hollow frames, the vanes can generate the maximum windage; inversely, when adjusted to retract and enlarge the hollow holes of the hollow frames, the vanes can generate smaller windage.
Description
Technical Field
The utility model relates to a windage device with adjustable sports ware.
Background
The structure of the wind resistance device applied to the exerciser, such as taiwan patent approval bulletin No. 279371 "structural improvement of the pull fan exercise machine", includes a frame, a central shaft pivoted to the frame, a small-diameter chain wheel arranged on the central shaft, and a chain engaged with the small-diameter chain wheel, a resistance fan matched with the central shaft, the chain driving the small-diameter chain wheel to drive the resistance fan to rotate, the improvement is characterized in that: the resistance fan is arranged in the framework and is provided with an air outlet which can blow towards the sporter from the front side; a one-way chain wheel with a larger diameter is arranged on the framework to be matched with the closed chain to drive the small-diameter chain wheel, a pulley is coaxially arranged on the one-way chain wheel, a steel cable pull rope is wound on the pulley to be actuated, and one end of the steel cable pull rope penetrates through and is positioned in a guide element to be fixedly connected to the handle, so that the steel cable pull rope is positioned and smoothly wound on the pulley without deviation; the pulley is pulled to drive the one-way chain wheel to precisely mesh with the small-diameter chain wheel so as to drive the resistance fan to rotate, thereby obtaining enough wind resistance to achieve a movement effect and further simplifying the structure.
The structure can achieve the function of generating wind resistance by driving the resistance fan; however, the disadvantages are: the size specification of the fan blade of the resistance fan designed by the structure is fixed, so the size of the generated wind resistance can not be adjusted any more relatively, and therefore, the resistance fan can not be adjusted appropriately according to users with different physical abilities.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the wind resistance size is not adjustable that above-mentioned wind resistance device exists, and provide an adjustable wind resistance device of the exerciser of adjustable wind resistance size.
The utility model comprises a shaft tube, a central shaft, a limit slide block, two limit rods, an adjusting button and a screw rod; wherein,
a plurality of hollow frames are fixedly arranged on the periphery of the shaft tube at equal intervals, and guide grooves are formed on the inner frame wall of each hollow frame; the inner wall of the shaft tube is provided with symmetrical guide rails which can provide a limiting slide block for sleeving and sliding; one end of the shaft tube is provided with a parallel through hole to provide the insertion positioning of the two limiting rods;
the central shaft can be sleeved in the shaft tube, blades corresponding to the number of the hollow frames are fixedly arranged on the central shaft, and each blade can be sleeved in the guide groove of each hollow frame respectively; one end of the central shaft is provided with an external thread section, the other end of the central shaft is provided with a hexagonal cap head, the outer end surface of the hexagonal cap head is axially provided with a threaded hole, and the inner end of the hexagonal cap head is provided with an annular groove;
the limiting slide block can be sleeved in the shaft tube, symmetrical lugs are arranged on the outer periphery of the limiting slide block, and the limiting slide block can be slid in a guide rail of the shaft tube in a sliding manner; wherein, the limiting slide block is axially provided with an internal screw hole which can provide a screw lock for an external thread section of the central shaft;
the two limit rods can be respectively and tightly inserted into the parallel through holes of the shaft tube, and are respectively clamped on the opposite side edges of the ring groove of the central shaft so as to control the central shaft to only perform positioning rotation;
the adjusting button is axially provided with a shaft hole, and a hexagonal hole expanding hole is formed at one end of the shaft hole and can be sleeved by a hexagonal cap head of the central shaft;
the screw rod can pass through the shaft hole of the adjusting button and is screwed in the threaded hole of the central shaft so as to connect the adjusting button and the central shaft.
Drawings
Fig. 1 is a combined cross-sectional view of the present invention.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Fig. 4 is a sectional view taken along line C-C in fig. 1.
Fig. 5 is a sectional view taken along line D-D in fig. 1.
Fig. 6 is a schematic diagram of the operation of the present invention.
Fig. 7 is a schematic view of the tension spring according to the present invention.
Detailed Description
Referring to fig. 1, 2, 3, 4 and 5, the present invention is an adjustable wind resistance device for exercise equipment, which mainly provides a device for driving the wind resistance device to generate resistance, so as to achieve exercise and fitness, and the wind resistance device includes:
a shaft tube 10, a plurality of hollow frames 11 are fixedly arranged on the periphery of the shaft tube 10 at equal intervals, and guide grooves 111 are formed on the inner frame wall of each hollow frame 11; the inner wall of the axle tube 10 is provided with symmetrical guide rails 12, as shown in fig. 2, a limiting slide block 30 can be provided to be sleeved for sliding left and right; one end of the shaft tube 10 is provided with a parallel through hole 13 for inserting and positioning two position limiting rods, as shown in fig. 3;
a central shaft 20 capable of being sleeved in the shaft tube 10, the central shaft 20 being fixedly provided with a number of blades 21 corresponding to the number of the hollow frames 11, each blade 21 being respectively sleeved in the guide groove 111 of each hollow frame 11, as shown in fig. 5; an external thread section 22 is arranged on one shaft of the central shaft 20, a hexagonal cap head 23 is formed at the other end, a threaded hole 231 is axially formed on the outer end surface of the hexagonal cap head 23, and an annular groove 24 is formed at the inner end; wherein, the blade 21 fixed on the central shaft 20 can be a steel sheet or an elastic sheet;
a limit slider 30, which can be sleeved in the shaft tube 10, and which is provided with symmetrical lugs 31 on the outer periphery and can be slid in the guide rails 12 of the shaft tube 10, as shown in fig. 2; wherein, the limiting slide block 30 is axially formed with an internal screw hole 32 which can provide a screw lock for the external screw thread section 22 of the central shaft 20;
two position-limiting rods 40, which can be tightly inserted into the parallel through holes 13 of the shaft tube 10, and the two position-limiting rods 40 are respectively clamped on the opposite sides of the ring groove 24 of the central shaft 20, so as to control the central shaft 20 to perform only positioning rotation, as shown in fig. 4;
an adjusting button 50, one end of which is formed with a plug sleeve 51 that can be sleeved on the tube hole of the shaft tube 10, wherein the diameter width of the plug sleeve 51 is slightly smaller than the inner diameter of the shaft tube 10, so that one end of the adjusting button 50 can freely rotate after being sleeved on the shaft tube 10; furthermore, the adjusting button 50 is provided with a shaft hole 52 in the axial direction, and the shaft hole 52 is located at the end of the plug sleeve 51 to form a hexagonal hole 53 for the hexagonal cap 23 of the central shaft 20 to be sleeved; besides, the adjusting knob 50 has the function of driving the central shaft 20 to rotate, and also has the function of guiding the central shaft 20 to keep limited on the shaft edge;
a screw rod 60, which can pass through the shaft hole 52 of the adjusting knob 50 and is screwed into the threaded hole 231 of the central shaft 20 to connect the adjusting knob 50 and the central shaft 20;
by means of the above-mentioned assembly of components, when the adjusting knob 50 is rotated forward and backward, the central shaft 20 can be synchronously driven to perform positioning rotation, so that the blades 21 sleeved in the guide grooves 111 of the hollow frames 11 can be extended outward or retracted inward at the same time, and the function of adjusting and changing the size of the hollow hole of the hollow frame 11 can be achieved by adjusting the telescopic displacement of the blades 21, as shown in fig. 6; furthermore, since the external thread section 22 of the central shaft 20 is screwed in the internal thread hole 32 of the limit slider 30, and the symmetrical lugs 31 of the limit slider 30 are sleeved in the symmetrical guide rails 12 of the shaft tube 10, when the adjusting knob 50 rotates, the limit slider 30 can only synchronously move left and right, and can serve as a positioning function when the adjusting knob 50 rotates in a stepless manner; accordingly, when the wind resistance device is driven to rotate, the size of the hollow hole of the hollow frame 11 can be changed by adjusting, so as to achieve the function of generating different wind resistance sizes, and further enable users to have different degrees of exercise and fitness effects.
Furthermore, as shown in fig. 7, the present invention can connect a tension spring 70 between the predetermined position of the top end of each hollow frame 11 and the predetermined position of one side of each sleeved blade 21; when each blade 21 is in a retracted state, i.e. the hollow hole of the hollow frame 11 is adjusted to the maximum state, the wind resistance generated by the blade is the minimum, and the tension spring 70 installed on the blade is in a tension state; when the blades 21 are adjusted from the retracted state to the extended state to increase the wind resistance, the stored force can be released by the tension spring 70 to assist the blades 21 to perform the average extending displacement.
Claims (6)
1. An adjustable wind resistance device of a sports apparatus is characterized in that: it comprises the following components:
a plurality of hollow frames fixedly arranged on the periphery of the shaft tube, wherein each hollow frame forms a guide groove on the inner frame wall; a central shaft which can be sleeved in the shaft tube, wherein the central shaft is fixedly provided with blades which are counted relative to the hollow frames, and each blade is respectively sleeved in the guide groove of each hollow frame; an adjusting button capable of being locked at one end of the central shaft.
2. The adjustable wind resistance device for exercise equipment according to claim 1, wherein: one end of the central shaft is provided with an external thread section, the other end of the central shaft is provided with a hexagonal cap head, the outer end surface of the hexagonal cap head is axially provided with a threaded hole, and the inner end of the hexagonal cap head is provided with an annular groove; the adjusting button has one end formed with a plug sleeve capable of being sleeved on the pipe hole of the shaft tube and an axial hole, the axial hole is located at the plug sleeve end and has a hexagonal hole for the hexagonal cap head of the central shaft to be sleeved, and the adjusting button is screwed in the threaded hole of the central shaft after penetrating through the axial hole of the adjusting button by a screw rod, so that the adjusting button can be connected with the central shaft.
3. The adjustable wind resistance device for exercise equipment according to claim 1, wherein: the inner wall of the shaft tube is provided with symmetrical guide rails, and the limiting slide block is sleeved with a limiting slide block, and the limiting slide block is provided with symmetrical lugs and can be sleeved in the guide rails of the shaft tube.
4. The adjustable wind resistance device for exercise equipment according to claim 3, wherein: the limiting slide block is axially provided with an inner screw hole for screwing an outer screw thread section of the central shaft and positioning when the adjusting button rotates in a stepless manner.
5. The adjustable wind resistance device for exercise equipment according to claim 1, wherein: one end of the shaft tube is provided with parallel through holes, and is respectively sleeved with a limiting rod, and the two limiting rods can be respectively clamped on opposite side edges of the ring groove of the central shaft so as to control the central shaft to only perform positioning rotation.
6. The adjustable wind resistance device for exercise equipment according to claim 1, wherein: a tension spring is connected between the preset position of the top end of each hollow frame and the preset position of one side edge of each sleeved blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03252042 CN2647358Y (en) | 2003-08-19 | 2003-08-19 | Adjustable windage device for exercising apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03252042 CN2647358Y (en) | 2003-08-19 | 2003-08-19 | Adjustable windage device for exercising apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2647358Y true CN2647358Y (en) | 2004-10-13 |
Family
ID=34327872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03252042 Expired - Fee Related CN2647358Y (en) | 2003-08-19 | 2003-08-19 | Adjustable windage device for exercising apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2647358Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107466245A (en) * | 2015-04-17 | 2017-12-12 | 优摆号有限公司 | It is general to brandish training equipment |
| WO2018145233A1 (en) * | 2017-02-07 | 2018-08-16 | 黄显智 | Variable resistance device and exercise equipment |
-
2003
- 2003-08-19 CN CN 03252042 patent/CN2647358Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107466245A (en) * | 2015-04-17 | 2017-12-12 | 优摆号有限公司 | It is general to brandish training equipment |
| CN107466245B (en) * | 2015-04-17 | 2019-07-12 | 优摆一号有限公司 | It is general to brandish trained equipment |
| WO2018145233A1 (en) * | 2017-02-07 | 2018-08-16 | 黄显智 | Variable resistance device and exercise equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |