CN215938940U - Body-building is with adjustable spring's chest expander - Google Patents
Body-building is with adjustable spring's chest expander Download PDFInfo
- Publication number
- CN215938940U CN215938940U CN202122385782.3U CN202122385782U CN215938940U CN 215938940 U CN215938940 U CN 215938940U CN 202122385782 U CN202122385782 U CN 202122385782U CN 215938940 U CN215938940 U CN 215938940U
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- wall
- butt joint
- thin steel
- positioning
- steel rope
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 210000001503 joint Anatomy 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000004804 winding Methods 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims 1
- 230000005489 elastic deformation Effects 0.000 abstract description 14
- 239000012634 fragment Substances 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of fitness equipment, in particular to a spring exerciser with adjustable springs for fitness, which comprises two handles and tension springs, wherein the outer walls of the opposite sides of the two handles are respectively provided with butt-joint holes distributed at equal intervals, wherein a first butt joint block is slidably arranged on the inner wall of the butt joint hole on one handle, a second butt joint block is slidably arranged on the inner wall of the butt joint hole on the other handle, the top and the bottom of the end of the first butt joint block far away from the second butt joint block are respectively provided with a mounting groove, the two handles can be mutually pulled, one end of the thin steel rope is pulled, the winding mechanism carries out paying-off on the thin steel rope until the thin steel rope is completely paid-off, then the two handles are at the farthest distance at the moment, the tension spring is always in the elastic deformation range, then, the two handles are close to each other, and the winding mechanism winds the thin steel rope, so that the tension spring can be protected.
Description
Technical Field
The utility model relates to the technical field of fitness equipment, in particular to a spring exerciser with an adjustable spring for fitness.
Background
The chest expander is suitable for mass body building exercise, and has the advantages that the biceps brachii muscle is a muscle with two muscle heads, the main function is arm bending, when arm bending, the other muscle-triceps brachii muscle is also used, and only when some forearm lifting motions are performed, such as high-position chest expander bending or reverse high-position chest expander toy, the brachial muscle can be fully exercised.
In the prior art, the following problems exist: when the spring chest expander is used, a user can loosen the spring by exerting too hard force, and plastic deformation occurs, so that the spring is damaged, and the spring chest expander can be damaged and cannot be used.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a chest expander of an adjustable spring for fitness, which solves the problems in the prior art.
The technical scheme of the utility model is as follows: a spring-adjustable chest expander for body building comprises two handles and a tension spring, wherein the outer wall of one side of each handle opposite to each other is provided with butt joint holes distributed equidistantly, one of the handles is provided with a first butt joint block on the inner wall of the butt joint hole in a sliding manner, the other handle is provided with a second butt joint block on the inner wall of the butt joint hole in a sliding manner, the top and the bottom of the end, away from each other, of the first butt joint block and the second butt joint block are respectively provided with a mounting groove, a positioning mechanism is arranged inside the mounting groove, the top and the bottom of the outer wall of each handle are respectively provided with positioning holes distributed equidistantly, the positioning holes are matched with the positioning mechanisms, a plurality of the positioning holes correspond to the plurality of the positioning mechanisms one by one, a working cavity is arranged inside the first butt joint block, a winding mechanism is arranged inside the working cavity, and a thin steel rope is arranged on the winding mechanism, the end, far away from the winding mechanism, of the thin steel rope is fixed to the outer wall of one side of the second butt joint block, the two ends of the tension spring are fixed to the outer wall of the opposite side of the first butt joint block and the outer wall of the opposite side of the second butt joint block respectively, the thin steel rope is located inside the tension spring, when a user pulls the two handles away from each other, one end of the thin steel rope is pulled, the winding mechanism conducts paying-off on the thin steel rope until the thin steel rope is completely paid-off, the two handles are located at the farthest distance, the tension spring is always located in an elastic deformation range, then the two handles are close to each other, and the winding mechanism conducts winding on the thin steel rope.
Furthermore, a notch is formed in the outer wall of one side of the handle, fixing rods are fixed to two sides of the inner wall of the notch, the outer peripheral wall of each fixing rod is sleeved with an anti-tripping buckle made of rubber, and the anti-tripping buckles are used for preventing the user from taking off the palm due to the finger force.
Further, positioning mechanism includes that the arc shell fragment of microscler screw hole is all seted up at top both ends, the inner wall slidable mounting of microscler screw hole has the location nail, two the location nail is located keeping away from one end each other of two arc shell fragments respectively, and the setting of microscler screw hole can provide the deformation space for the arc shell fragment.
Further, positioning mechanism is still including fixing the fixed plate on mounting groove inner wall top, the slide opening has been seted up at the top middle part of fixed plate, the inner wall slidable mounting of slide opening has the locating pin with locating hole looks adaptation, the bottom of locating pin is fixed with spacing post, the bottom of spacing post contacts with the bellying of arc-shaped elastic piece, spacing post is located the below of fixed plate, just the external diameter of spacing post is greater than the internal diameter of slide opening, and the setting of spacing post is in order to prevent that the locating pin from breaking away from the mounting groove.
Further, winding mechanism installs the rotation post on work intracavity wall bottom middle part including rotating, first joint groove has been seted up to one side inner wall of work intracavity wall, the periphery wall that rotates the post is located the bottom position and has seted up second joint groove, the inner wall in first joint groove and the inner wall in second joint groove are fixed with volute spiral spring, and volute spiral spring produces crooked elastic deformation under the moment of torsion effect, makes the spring produce in the plane and twists reverse, and under the non-operating force, volute spiral spring reconversion is withdrawed the thin steel cable.
Furthermore, the periphery wall of the rotating column is provided with a limit ring plate, the limit ring plate is fixed on the inner wall of the working cavity, the bottom of the limit ring plate is in contact with the top of the volute spiral spring, and the limit ring plate is used for placing a thin steel rope to be twisted into the interior of the limit ring plate by the volute spiral spring.
Furthermore, a round hole is formed in the outer wall of one side of the rotating column, the thin steel rope is arranged in the round hole, a fixing column is fixed at one end, located in the round hole, of the thin steel rope, the fixing column is fixed on the outer wall of one side of the rotating column, the thin steel rope is wound on the outer peripheral wall of the rotating column, when a user pulls the two handles away from each other, one end of the thin steel rope is pulled, the rotating column rotates to pay off, meanwhile, the volute spring generates elastic deformation until the volute spring completely pays off, the two handles are located at the farthest distance, and the tension spring is located in the elastic deformation range all the time.
The utility model provides a chest expander of an adjustable spring for fitness by improvement, which has the following improvements and advantages compared with the prior art:
one is as follows: according to the utility model, the two handles can be mutually pulled apart, one end of the thin steel rope is pulled at the moment, the winding mechanism winds the thin steel rope until the thin steel rope is completely wound, the two handles are at the farthest distance at the moment, the tension spring is always in the elastic deformation range, then the two handles are mutually close, and the winding mechanism winds the thin steel rope, so that the tension spring can be protected;
the second step is as follows: the tension adjusting device can adjust tension according to the force of users, and the specific working mode is that a tension spring to be disassembled is selected, a positioning pin in a positioning mechanism on a first butt joint block and a positioning pin in a positioning mechanism on a second butt joint block on the tension spring are pressed, so that the positioning pins move towards the inside of the mounting groove, the arc-shaped elastic sheet is compressed downwards to generate elastic deformation, the positioning pins are separated from the positioning holes, and the first butt joint block and the second butt joint block are pulled out of the butt joint holes, so that the disassembly is completed, and the tension adjustment can be realized.
Drawings
The utility model is further explained below with reference to the figures and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the spring region configuration of the present invention;
FIG. 3 is a schematic view of the spring of the present invention in partial cross-section;
FIG. 4 is an enlarged view at A of FIG. 3;
fig. 5 is an enlarged view at B of fig. 3;
FIG. 6 is a schematic diagram of the spring region elevation configuration of the present invention;
fig. 7 is an enlarged view of a-a cut-away portion of fig. 6.
Description of reference numerals:
1. a handle; 2. preventing tripping; 3. a first butt-joint block; 4. a tension spring; 5. a second butting block; 6. positioning pins; 7. a fixing plate; 8. a thin steel rope; 9. a limiting column; 10. an arc-shaped elastic sheet; 11. positioning nails; 12. fixing a column; 13. rotating the column; 14. a spiral spring.
Detailed Description
The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a chest expander of an adjustable spring for fitness through improvement, and the technical scheme of the chest expander is as follows:
as shown in fig. 1-7, a spring-adjustable chest expander for fitness comprises two handles 1 and a tension spring 4, wherein the outer walls of the opposite sides of the two handles 1 are respectively provided with a butt hole distributed at equal intervals, the inner wall of the butt hole on one handle 1 is slidably provided with a first butt block 3, the inner wall of the butt hole on the other handle 1 is slidably provided with a second butt block 5, the top and the bottom of the end, far away from the first butt block 3 and the second butt block 5, of the first butt block 3 are respectively provided with a mounting groove, a positioning mechanism is arranged inside the mounting groove, the top and the bottom of the outer wall of the handle 1 are respectively provided with positioning holes distributed at equal intervals, the positioning holes are matched with the positioning mechanism, the positioning holes are in one-to-one correspondence with the positioning mechanisms, a working chamber is arranged inside the first butt block 3, a winding mechanism is arranged inside the working chamber, and a thin steel rope 8 is arranged on the winding mechanism, the one end of keeping away from winding mechanism of thin steel cable 8 is fixed on one side outer wall of second butt joint piece 5, tension spring 4's both ends are fixed respectively on the first butt joint piece 3 and the second butt joint piece 5 relative outer wall, thin steel cable 8 is located tension spring 4's inside, pull open two handles 1 each other when the user, the one end of thin steel cable 8 is pulled this moment, winding mechanism unwrapps wire to thin steel cable 8, until unwrapping wire completely, then two handles 1 are in furthest distance this moment, tension spring 4 is in the elastic deformation within range all the time, then be close to two handles 1 each other, winding mechanism receives the line to thin steel cable 8.
Further, a notch is formed in the outer wall of one side of the handle 1, fixing rods are fixed to two sides of the inner wall of the notch, the outer peripheral wall of each fixing rod is sleeved with an anti-falling buckle 2 made of rubber, and the anti-falling buckles 2 are used for preventing users from taking off the palm due to fingers.
Further, positioning mechanism includes that arc shell fragment 10 of microscler screw hole has all been seted up at top both ends, and the inner wall slidable mounting of microscler screw hole has location nail 11, and two location nails 11 lie in keeping away from one each other of two arc shell fragments 10 respectively and serve, and the setting of microscler screw hole can provide deformation space for arc shell fragment 10.
Further, positioning mechanism is still including fixing fixed plate 7 on mounting groove inner wall top, the slide opening has been seted up at the top middle part of fixed plate 7, the inner wall slidable mounting of slide opening has with locating hole looks adaptation locating pin 6, locating pin 6's bottom is fixed with spacing post 9, the bottom of spacing post 9 contacts with the bellying of arc-shaped elastic piece 10, spacing post 9 is located the below of fixed plate 7, and the external diameter of spacing post 9 is greater than the internal diameter of slide opening, the setting of spacing post 9 is in order to prevent that locating pin 6 from breaking away from the mounting groove.
Further, winding mechanism installs rotation post 13 on work intracavity wall bottom middle part including rotating, first joint groove has been seted up to one side inner wall of work intracavity wall, the periphery wall that rotates post 13 is located the bottom position and has seted up the second joint groove, the inner wall in first joint groove and the inner wall in second joint groove are fixed with volute spiral spring 14, volute spiral spring 14 produces crooked elastic deformation under the moment of torsion effect, make the spring produce in the plane and twist reverse, under the non-action force, volute spiral spring 14 reconversion, withdraw thin steel cable 8.
Furthermore, the periphery wall of the rotating column 13 is provided with a limit ring plate, the limit ring plate is fixed on the inner wall of the working chamber, the bottom of the limit ring plate is contacted with the top of the volute spiral spring 14, and the limit ring plate is used for placing the thin steel rope 8 to be twisted into the interior of the limit ring plate by the volute spiral spring 14.
Further, the round hole has been seted up to one side outer wall of rotation post 13, thin steel cable 8 sets up in the inside of round hole, the one end that thin steel cable 8 is located the round hole is fixed with fixed column 12, fixed column 12 is fixed on one side outer wall of rotation post 13, thin steel cable 8's winding is on the periphery wall of rotation post 13, pull open two handles 1 each other when the user, thin steel cable 8's one end is stimulateeed this moment, rotation post 13 rotates, pay-off, spiral spring 14 takes place elastic deformation simultaneously, until completely unwrapping wire, then two handles 1 are in the farthest distance this moment, tension spring 4 is in the elastic deformation within range always.
The working principle is as follows: a user can adjust the tension according to own force, and the specific working mode is that a tension spring 4 to be disassembled is selected, a positioning pin 6 in a positioning mechanism on a first butt joint block 3 and a positioning pin 6 in a positioning mechanism on a second butt joint block 5 on the tension spring 4 are pressed, so that the positioning pins 6 move towards the inside of the mounting groove, an arc-shaped elastic sheet 10 is compressed downwards to generate elastic deformation, the positioning pins 6 are separated from the positioning holes, and the first butt joint block 3 and the second butt joint block 5 are pulled out of the butt joint holes, so that the disassembly is completed; when the user pulls open two handles 1 each other, the one end of thin steel cable 8 is pulled this moment, rotates post 13 and rotates, carries out the unwrapping wire, and spiral spring 14 takes place elastic deformation simultaneously, until paying out completely, then two handles 1 are in the furthest distance this moment, and tension spring 4 is in the elastic deformation within range always.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a body-building is with adjustable spring's chest expander which characterized in that: the handle comprises two handles (1) and a tension spring (4), wherein the outer wall of one side of each of the two handles (1) opposite to each other is provided with butt joint holes which are distributed equidistantly, one of the handles (1) is provided with a first butt joint block (3) on the inner wall of the butt joint hole in a sliding manner, the other handle (1) is provided with a second butt joint block (5) on the inner wall of the butt joint hole in a sliding manner, the top and the bottom of one end, far away from the first butt joint block (3) and the second butt joint block (5), of each end are provided with mounting grooves, positioning mechanisms are arranged inside the mounting grooves, the top and the bottom of the outer wall of each handle (1) are provided with positioning holes which are distributed equidistantly, the positioning holes are matched with the positioning mechanisms, the positioning holes correspond to the positioning mechanisms one by one, a working cavity is arranged inside the first butt joint block (3), and a winding mechanism is arranged inside the working cavity, the winding mechanism is provided with a thin steel rope (8), one end, far away from the winding mechanism, of the thin steel rope (8) is fixed to the outer wall of one side of the second butt joint block (5), two ends of the tension spring (4) are fixed to the outer wall of the opposite side of the first butt joint block (3) and the second butt joint block (5) respectively, and the thin steel rope (8) is located inside the tension spring (4).
2. The chest expander of an adjustable spring for exercise according to claim 1, wherein: a notch is formed in the outer wall of one side of the handle (1), fixing rods are fixed to two sides of the inner wall of the notch, and anti-falling buckles (2) made of rubber materials are sleeved on the outer peripheral wall of each fixing rod.
3. The chest expander of an adjustable spring for exercise according to claim 1, wherein: the positioning mechanism comprises arc-shaped elastic pieces (10) with long threaded holes formed in two ends of the top, positioning nails (11) are slidably mounted on the inner wall of each long threaded hole, and the two positioning nails (11) are respectively located at one end, far away from each other, of each arc-shaped elastic piece (10).
4. The chest expander of an adjustable spring for exercise according to claim 2, wherein: the positioning mechanism further comprises a fixing plate (7) fixed on the top of the inner wall of the mounting groove, a slide hole is formed in the middle of the top of the fixing plate (7), a positioning pin (6) matched with the positioning hole is slidably mounted on the inner wall of the slide hole, a limiting column (9) is fixed to the bottom of the positioning pin (6), the bottom of the limiting column (9) is in contact with a protruding portion of an arc-shaped elastic sheet (10), the limiting column (9) is located below the fixing plate (7), and the outer diameter of the limiting column (9) is larger than the inner diameter of the slide hole.
5. The chest expander of an adjustable spring for exercise according to claim 1, wherein: winding mechanism installs rotation post (13) on work chamber inner wall bottom middle part including rotating, first joint groove has been seted up to one side inner wall of work chamber inner wall, the periphery wall that rotates post (13) is located the bottom position and has seted up second joint groove, the inner wall in first joint groove and the inner wall in second joint groove are fixed with spiral spring (14).
6. The chest expander of an adjustable spring for exercise according to claim 5, wherein: the periphery wall of rotating post (13) is provided with the spacing ring board, the spacing ring board is fixed on the inner wall of working chamber, the bottom of spacing ring board contacts with the top of volute spiral spring (14).
7. The chest expander of an adjustable spring for exercise according to claim 6, wherein: a round hole is formed in the outer wall of one side of the rotating column (13), the thin steel rope (8) is arranged in the round hole, a fixing column (12) is fixed to one end, located in the round hole, of the thin steel rope (8), the fixing column (12) is fixed to the outer wall of one side of the rotating column (13), and the thin steel rope (8) is wound on the outer peripheral wall of the rotating column (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385782.3U CN215938940U (en) | 2021-09-29 | 2021-09-29 | Body-building is with adjustable spring's chest expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385782.3U CN215938940U (en) | 2021-09-29 | 2021-09-29 | Body-building is with adjustable spring's chest expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215938940U true CN215938940U (en) | 2022-03-04 |
Family
ID=80424850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122385782.3U Expired - Fee Related CN215938940U (en) | 2021-09-29 | 2021-09-29 | Body-building is with adjustable spring's chest expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215938940U (en) |
-
2021
- 2021-09-29 CN CN202122385782.3U patent/CN215938940U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220304 |