CN2394662Y - Pull force body building device - Google Patents
Pull force body building device Download PDFInfo
- Publication number
- CN2394662Y CN2394662Y CN 99242219 CN99242219U CN2394662Y CN 2394662 Y CN2394662 Y CN 2394662Y CN 99242219 CN99242219 CN 99242219 CN 99242219 U CN99242219 U CN 99242219U CN 2394662 Y CN2394662 Y CN 2394662Y
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- steel wire
- resistance ring
- directed
- central shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a pull force body building device, mainly composed of a steel wire, a spring steel sheet, a directional rotating shaft, a resistance ring, a central shaft which is fixed on a casing, and a pair of friction pads. The steel wire is wound on the directional rotating shaft, one end of the steel wire is fixed on the directional rotating shaft, and the other end is extended out of the casing. The directional rotating shaft is penetrated on the central shaft, both ends of the spring steel sheet are respectively fixed on the central shaft and the directional rotating shaft, the resistance ring is fixedly sheathed on the directional rotating shaft, and the pair of friction pads are clamped on both sides of the resistance ring. The pull force body building device has the advantage of small volume, so that the magnitude of applied forces can be arbitrarily adjusted according to the different needs for different body builders; the utility model can also be additionally provided with the efficacy of escape.
Description
The utility model belongs to the technical field of body-building apparatus, relates to a kind of chest expander.
Along with the development of society, the raising of living standards of the people, people also constantly increase the demand of body-building apparatus.With regard to chest expander, because of the body builder can repeat to do extensional motion, thereby reach the purpose of strong skeleton and muscle, so be subjected to body builder's favor deeply by its help of giving power apparatus.
Chest expander of the prior art, it gives power apparatus normally weight or spring, and promptly the body builder does extensional motion by gravity or elastic force.These two kinds of chest expanders, because the factor of its volume size of decision is not only the size and the structure of each member itself, the elastic deformation scope that also comprises the stroke and the spring of weight, so the volume of the two is all bigger, it is also big to take up space, especially in the time of in being arranged on the little average family of living space, more user institute is worried; Simultaneously, because weight and spring are changeless, gravity and elastic force also just immobilize, so the two all can't regulate the size of the power of giving according to different body builders' different demands arbitrarily.
Main purpose of the present utility model is to provide a kind of chest expander, and its volume is little, and it is also little to take up space.
Secondary objective of the present utility model is to provide a kind of chest expander, and it can regulate the size of the power of giving according to different body builders' different demands arbitrarily.
Another purpose of the present utility model is to provide a kind of chest expander, and it can increase tool escape effect, to form the multifunctional pull fitness equipment.
For reaching above-mentioned purpose, solution of the present utility model is:
Chest expander mainly is made up of steel wire, spring steel plate, directed rotating shaft, resistance ring and the central shaft and a pair of friction shim that are fixed on the housing.Wherein, steel wire is wrapped in the directed rotating shaft, and an end is fixed in the directed rotating shaft, and the other end is stretched in outside the housing; Directed rotating shaft is set on the central shaft; The two ends of spring steel plate are separately fixed in central shaft and the directed rotating shaft; The resistance ring fixedly is nested with in directed rotating shaft; A pair of friction shim is clamped in the both sides of resistance ring.
Above-mentioned a pair of friction shim can be separately fixed at two leg inboards of " U " type support, and an adjusting screw(rod) is placed through on two legs.
Also can set up a rotating shaft between above-mentioned central shaft and the directed rotating shaft, the corresponding locating hole that is provided with on rotating shaft and the central shaft, setscrew nut just can screw togather with two locating holes, and the two ends of spring steel plate are separately fixed in rotating shaft and the directed rotating shaft.
After adopting said structure, when the body builder uses the utility model to do extensional motion, the pulling steel wire, driving directed rotating shaft rotates, owing to be fixed on resistance ring in the directed rotating shaft by a pair of friction shim clamping, therefore, the body builder must overcome the frictional force stretchy steel wire just between resistance ring and the friction shim, be of the present utility modelly to comprise resistance ring and friction shim to power apparatus, the body builder is that the frictional force that overcomes between resistance ring and the friction shim is done extensional motion.When stopping drag steel wire, then in the restoring force effect turning down of spring steel plate, the steel wire of withdrawal is wrapped in the directed rotating shaft again in directed rotating shaft.
The utility model volume size only depends on the size and the structure of each member itself, each component volume is little, and compact conformation between each member is so the utility model volume is little, can be fixed on window limit, the wall or the ground by the hook on the housing or other member when being provided with, it be also little to take up space.
And if a pair of friction shim of the present utility model is fixed on two legs of " U " type support when inboard, be placed through two adjusting screw(rod)s on the leg by adjusting, can regulate the tightness of a pair of friction shim clamping resistance ring, thereby regulate the frictional force size between resistance ring and the friction shim, in response to different body builders' different demands.
In addition, the utility model is if set up a rotating shaft between central shaft and directed rotating shaft, just can be when setscrew nut and two locating holes screw togather, and the confession body builder does extensional motion; During locating hole on the axle of setscrew nut off center, pull out the steel wire escape for the survivor, and since directed rotating shaft on the resistance ring by a pair of friction shim clamping, make that the speed of pulling steel wire is slack-off, can alleviate the weightless sense of survivor when falling, thereby increase tool escape effect, form the multifunctional pull fitness equipment.
Below in conjunction with drawings and Examples, the utility model done describing in further detail.
Fig. 1 is the utility model schematic appearance;
Fig. 2 is the utility model embodiment one three-dimensional exploded view;
Fig. 3 is the utility model embodiment one combination dissected figure;
Fig. 4 is the utility model embodiment two three-dimensional exploded views;
Fig. 5 is the utility model embodiment two combination dissected figures.
See also Fig. 1,2,3, chest expander shown in the utility model embodiment one mainly is made up of steel wire 1, spring steel plate 2, directed rotating shaft 3, resistance ring 4 and the central shaft 6 and a pair of friction shim 7 that are fixed on the housing 5.
Wherein, steel wire 1 is wrapped in the directed rotating shaft 3, the one end is fixed on the fixing hole 31 of directed rotating shaft 3, the other end is stretched in outside the housing 5, and be connected to one handle 8, and see Fig. 1, the circular hole place that steel wire 1 stretches out in housing 5 also is provided with rubber blanket 55, rubber blanket 55 can reduce steel wire 1 when pulled, because of and housing 5 circular holes between the wearing and tearing that produce of friction.
Directed rotating shaft 3 is set on the central shaft 6, can be provided with the ball (not shown) that is beneficial to mutual rotation and supports mutually between the two.
The two ends 21,22 of spring steel plate 2 are separately fixed on the holddown groove 61 of the holddown groove 32 of directed rotating shaft 3 and central shaft 6.
A pair of friction shim 7 is separately fixed at two leg 52 inboards of " U " type support 51 on the housing 5, and be clamped in the both sides of resistance ring 4, one adjusting screw(rod) 53 is placed through on two legs 52, and the outer end of adjusting screw(rod) 53 can connect a knob 54 that indicates the pulling force size.
When using this routine chest expander, the body builder can be according to the size of regulating frictional force shown in the knob 54, transfer to the value of thrust of institute's desire exercise, overcome the frictional force between resistance ring 4 and the friction shim 7, handle 8 on the pulling steel wire 1, do extensional motion, at this moment, spring steel plate 2 along with the rotation of directed rotating shaft 3 by elastic stretching.When stopping drag steel wire 1, steel wire 1 is regained in 3 restoring force effect turning down at spring steel plate 2 of directed rotating shaft, is wrapped in again in the directed rotating shaft 3.This routine chest expander only can be used for body building, has that volume is little, effect little, that can regulate the frictional force size takes up space.
See also Fig. 1,4,5 again, chest expander shown in the utility model embodiment two is to set up a rotating shaft 9 between the central shaft 6 of embodiment one and directed rotating shaft 3, can be provided with the ball (not shown) that is beneficial to mutual rotation and supports mutually between directed rotating shaft 3 and the rotating shaft 9 and between rotating shaft 9 and the central shaft 6, the corresponding locating hole 91,62 that is provided with on rotating shaft 9 and the central shaft 6, setscrew nut 10 just can screw togather with locating hole 91,62.The two ends 21,22 of spring steel plate 2 are separately fixed on the holddown groove 92 of the holddown groove 32 of directed rotating shaft 3 and rotating shaft 9.
When using this routine chest expander to do extensional motion, the body builder only needs setscrew nut 10 and locating hole 91,62 are screwed togather, just can regulate the size of frictional force as embodiment one, transfer to the value of thrust of institute's desire exercise, overcome the frictional force between resistance ring 4 and the friction shim 7, handle 8 on the pulling steel wire 1 is done extensional motion.And if when meeting the emergency escape, the survivor only needs setscrew nut 10 is unscrewed, and makes it the locating hole 62 on the off center axle 6, just can firmly grasp handle 8 escapes.This routine chest expander not only has little, the effect little, that can regulate the frictional force size that takes up space of precedent volume, has more the escape effect, forms the multifunctional pull fitness equipment thus.
Claims (3)
1, a kind of chest expander is characterized in that: mainly be made up of steel wire, spring steel plate, directed rotating shaft, resistance ring and the central shaft and a pair of friction shim that are fixed on the housing; Steel wire is wrapped in the directed rotating shaft, and an end is fixed in the directed rotating shaft, and the other end is stretched in outside the housing; Directed rotating shaft is set on the central shaft; The two ends of spring steel plate are separately fixed in central shaft and the directed rotating shaft; The resistance ring fixedly is nested with in directed rotating shaft; A pair of friction shim is clamped in the both sides of resistance ring.
2, a kind of chest expander according to claim 1 is characterized in that: a pair of friction shim is separately fixed at two leg inboards of " U " type support, and an adjusting screw(rod) is placed through on two legs.
3, a kind of chest expander according to claim 1 and 2, it is characterized in that: also set up a rotating shaft between central shaft and the directed rotating shaft, the corresponding locating hole that is provided with on rotating shaft and the central shaft, setscrew nut just screws togather with two locating holes, and the two ends of spring steel plate are separately fixed in rotating shaft and the directed rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99242219 CN2394662Y (en) | 1999-09-03 | 1999-09-03 | Pull force body building device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99242219 CN2394662Y (en) | 1999-09-03 | 1999-09-03 | Pull force body building device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2394662Y true CN2394662Y (en) | 2000-09-06 |
Family
ID=34028922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99242219 Expired - Fee Related CN2394662Y (en) | 1999-09-03 | 1999-09-03 | Pull force body building device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2394662Y (en) |
-
1999
- 1999-09-03 CN CN 99242219 patent/CN2394662Y/en not_active Expired - Fee Related
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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 |