CN212166413U - Stretcher for physical fitness - Google Patents
Stretcher for physical fitness Download PDFInfo
- Publication number
- CN212166413U CN212166413U CN202020329770.1U CN202020329770U CN212166413U CN 212166413 U CN212166413 U CN 212166413U CN 202020329770 U CN202020329770 U CN 202020329770U CN 212166413 U CN212166413 U CN 212166413U
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- CN
- China
- Prior art keywords
- gear
- fixed mounting
- chain
- stretching
- mounting
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- Expired - Fee Related
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Abstract
The utility model discloses a stretcher for physical fitness. The utility model discloses, including the mounting box, the inside movable mounting of mounting box has first gear, and the top fixed mounting of first gear has the crank, and the bottom fixed mounting of first gear has the connecting rod. The utility model discloses, adjust the position of pole according to self size, slide on tensile pole, after tensile pole completion position control, effect is fixed tensile pole position through between second stopper cooperation second spring, when stretching, through rotating the crank, utilize the crank to drive first gear revolve, the meshing effect between rethread first gear and the chain, and then drive second gear revolve along with the removal of chain, rotation and the meshing effect between cooperation and the third gear through the second gear, drive third gear revolve, and then make tensile pole open, in order to make things convenient for the user to stretch, this elongator is applicable to the crowd of different statures, the universality is improved, and the popularization is facilitated.
Description
Technical Field
The utility model relates to the technical field of sports, specifically a stretcher for sports fitness.
Background
The physical fitness mainly focuses on the body growth and development and physical development of students by taking physical exercise as a main means, focuses on the selection and study of fitness items and sports items, cultures the hobbies and sports specialties of the physical exercise of the students, obtains a scientific fitness method, develops a civilized and healthy life style, and has the adaptability of persisting in the physical exercise in different environments.
The existing stretching equipment can not be well adapted to the use of people with different statures, the adjustment of the existing stretcher is also very inconvenient, and the angle and the position of the fixing device can not be adjusted, so that the possibility of injury can be caused due to the non-adaptation of the stature of the user during use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stretcher for sports fitness to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stretcher for sports fitness, includes the mounting box, the inside movable mounting of mounting box has first gear, the top fixed mounting of first gear has the crank, the bottom fixed mounting of first gear has the connecting rod, the bottom fixed mounting of connecting rod has the locating wheel, the equal fixed mounting in both sides of locating wheel has the fixing base, the inside fixed mounting of fixing base has first spring, the one end fixed mounting of first spring has first stopper, the peripheral cover of first gear is equipped with the chain, the one end of chain is provided with the second gear, the meshing of second gear has the third gear, the top fixed mounting of third gear has the dead lever, the top fixed mounting of dead lever has tensile pole, the inside movable mounting of tensile pole has the regulation pole, the inside fixed mounting of tensile pole has the second spring, and a second limiting block is fixedly arranged at one end of the second spring.
Preferably, the top of the stretching rod is provided with a rectangular through hole matched with the adjusting rod, and one end of the adjusting rod, which is located inside the stretching rod, is provided with through holes which are matched with the second limiting blocks in the same number.
Preferably, the bottom of the second gear is fixedly provided with a circular wheel, the side wall of the circular wheel is provided with teeth matched with the chain, and the second gear is in transmission connection with the chain through the circular wheel.
Preferably, the through hole matched with the first limiting block is formed in the side wall of the positioning wheel.
Preferably, the number of the third gears is two, and the two third gears are symmetrically arranged on two sides of the second gear.
Preferably, the top end of the crank extends through the top of the mounting box and extends to the outside of the mounting box.
Compared with the prior art, the beneficial effects of the utility model are that: this stretcher for sports fitness, adjust the position of pole according to self size, slide on tensile pole, after tensile pole completion position control, effect is fixed tensile pole position through between the second stopper cooperation second spring, when stretching, through rotating the crank, utilize the crank to drive first gear revolve, the meshing effect between rethread first gear and the chain, and then drive second gear revolve along with the removal of chain, rotation and the meshing effect between cooperation and the third gear through the second gear, drive third gear revolve, and then make tensile pole open, in order to make things convenient for the user to stretch, this stretcher is applicable to the crowd of different statures, the universality is improved, do benefit to the popularization.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the mounting box of the present invention;
FIG. 3 is a schematic view of the connection relationship between the positioning wheel and the mounting box of the present invention;
fig. 4 is an enlarged view of the internal structure of the portion a in fig. 1.
In the figure: the device comprises an installation box 1, a first gear 2, a crank 3, a connecting rod 4, a positioning wheel 5, a fixed seat 6, a first spring 7, a first limiting block 8, a chain 9, a second gear 10, a third gear 11, a fixing rod 12, a stretching rod 13, an adjusting rod 14, a second spring 15 and a second limiting block 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a stretcher for physical fitness comprises a mounting box 1, wherein a first gear 2 is movably mounted inside the mounting box 1, a crank 3 is fixedly mounted at the top of the first gear 2, the top end of the crank 3 penetrates through the top of the mounting box 1 and extends to the bottom of the first gear 2 outside the mounting box 1, a connecting rod 4 is fixedly mounted at the bottom of the connecting rod 4, a positioning wheel 5 is fixedly mounted at the bottom of the connecting rod 4, a through hole matched with a first limiting block 8 is formed in the inner side wall of the positioning wheel 5, fixing seats 6 are fixedly mounted on both sides of the positioning wheel 5, a first spring 7 is fixedly mounted in each fixing seat 6, a first limiting block 8 is fixedly mounted at one end of each first spring 7, a chain 9 is sleeved on the periphery of the first gear 2, a second gear 10 is arranged at one end of each chain 9, a round wheel is fixedly mounted at the bottom of the second gear 10, teeth matched with the chains 9 are formed in the side, the second gear 10 is in transmission connection with the chain 9 through the round wheel, the number of the third gears 11 meshed with the second gear 10 and the third gears 11 is two, the two third gears 11 are symmetrically arranged on two sides of the second gear 10, the top of each third gear 11 is fixedly provided with a fixed rod 12, the top of each fixed rod 12 is fixedly provided with a stretching rod 13, the top of each stretching rod 13 is provided with a rectangular through hole matched with the corresponding adjusting rod 14, one end, located inside the stretching rod 13, of each adjusting rod 14 is provided with through holes which are consistent in number and matched with the second limiting blocks 16, the adjusting rods 14 are movably arranged inside the stretching rods 13, the second springs 15 are fixedly arranged inside the stretching rods 13, and the second limiting blocks 16 are fixedly arranged at one ends of the second springs 15.
The working principle is as follows: before using, adjust the position of pole 14 according to self size, slide on tensile pole 13, after tensile pole 13 accomplishes the position control, effect through second stopper 16 cooperation second spring 15 between is fixed tensile pole 13 position, when stretching, through rotating crank 3, utilize crank 3 to drive first gear 2 and rotate, rethread first gear 2 and the meshing effect between the chain 9, and then drive second gear 10 and rotate along with the removal of chain 9, through the rotation of second gear 10 and the meshing effect between cooperation and the third gear 11, drive third gear 11 rotates, and then make tensile pole 13 open, in order to make things convenient for the user to stretch.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a stretcher for sports fitness, includes mounting box (1), its characterized in that: the inside movable mounting of mounting box (1) has first gear (2), the top fixed mounting of first gear (2) has crank (3), the bottom fixed mounting of first gear (2) has connecting rod (4), the bottom fixed mounting of connecting rod (4) has locating wheel (5), the equal fixed mounting in both sides of locating wheel (5) has fixing base (6), the inside fixed mounting of fixing base (6) has first spring (7), the one end fixed mounting of first spring (7) has first stopper (8), the peripheral cover of first gear (2) is equipped with chain (9), the one end of chain (9) is provided with second gear (10), second gear (10) meshing has third gear (11), the top fixed mounting of third gear (11) has dead lever (12), the top fixed mounting of dead lever (12) has tensile pole (13), an adjusting rod (14) is movably mounted inside the stretching rod (13), a second spring (15) is fixedly mounted inside the stretching rod (13), and a second limiting block (16) is fixedly mounted at one end of the second spring (15).
2. A stretching unit for physical exercise according to claim 1, wherein: the top of the stretching rod (13) is provided with a rectangular through hole matched with the adjusting rod (14), and one end of the adjusting rod (14) positioned inside the stretching rod (13) is provided with through holes which are matched with the second limiting blocks (16) in number.
3. A stretching unit for physical exercise according to claim 1, wherein: the bottom of the second gear (10) is fixedly provided with a round wheel, the side wall of the round wheel is provided with teeth matched with the chain (9), and the second gear (10) is in transmission connection with the chain (9) through the round wheel.
4. A stretching unit for physical exercise according to claim 1, wherein: the through hole matched with the first limiting block (8) is formed in the side wall of the positioning wheel (5).
5. A stretching unit for physical exercise according to claim 1, wherein: the number of the third gears (11) is two, and the two third gears (11) are symmetrically arranged on two sides of the second gear (10).
6. A stretching unit for physical exercise according to claim 1, wherein: the top end of the crank (3) penetrates through the top of the mounting box (1) and extends to the outside of the mounting box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020329770.1U CN212166413U (en) | 2020-03-17 | 2020-03-17 | Stretcher for physical fitness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020329770.1U CN212166413U (en) | 2020-03-17 | 2020-03-17 | Stretcher for physical fitness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212166413U true CN212166413U (en) | 2020-12-18 |
Family
ID=73778325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020329770.1U Expired - Fee Related CN212166413U (en) | 2020-03-17 | 2020-03-17 | Stretcher for physical fitness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212166413U (en) |
-
2020
- 2020-03-17 CN CN202020329770.1U patent/CN212166413U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |