CN205964862U - Strong abdomen machine swing arm telescopic machanism - Google Patents
Strong abdomen machine swing arm telescopic machanism Download PDFInfo
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- CN205964862U CN205964862U CN201620903633.8U CN201620903633U CN205964862U CN 205964862 U CN205964862 U CN 205964862U CN 201620903633 U CN201620903633 U CN 201620903633U CN 205964862 U CN205964862 U CN 205964862U
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- spring
- swing arm
- rotating ballhead
- inner spring
- hole
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Abstract
The utility model discloses a strong abdomen machine swing arm telescopic machanism contains pivot support, the swing arm of L type, rotating -barrel, swing mounting, extension spring, elastic connection seat, positioning seat, screw lock spare. The swing arm of L type can be rotated between spacing at first spacing of the pivot support and second. Tensile grandly further contain wherein: cable wire, the rotatory bulb of second, inner spring, the rotatory bulb of third, outer spring. The inner spring passes through the cable wire and connects first rotatory bulb, and the other end is connected the spring of the required tensile limit can be replaced according to the demand to the rotatory bulb of third. Interior spring jackets is equipped with the outer spring, and the outer spring both ends are carried out the throat and are handled for at the tensile in -process of spring, the outer spring is all the time with the inner spring free accommodation. The design of dual spring can increase the tensile limit of extension spring structure by a wide margin.
Description
Technical field
This utility model is related to a kind of body-building apparatus device, relates in particular to a kind of abdomen exercising machine swing arm telescoping mechanism.
Background technology
The modern life, with the increasingly increase of operating pressure, life stress, subhealth state has become mainly asking of human health
Topic.How in limited space, in the time, realize sportsing body-building, be numerous sports apparatus manufacturers asking of being endeavoured to solve
Topic.Household fitness equipment, due to its small volume, low cost, easy to use, multi-functional advantage, is increasingly subject to the happiness of consumer
Vigorously.
Small-sized abdomen exercising machine assists the motions such as abdominal crunch, pushup, strong abdomen using the clamping of support, reaches with single
Apparatus assists effect of multi-motion.It mainly overcomes spring using user by pushing swing arm in abdomen exercising machine swing arm drawing mechanism
The power that tensile deformation produces, thus reach the purpose of sportsing body-building.Chinese patent literature CN203899023U discloses a kind of strong
Body device.This fitness equipment comprises：One first support, a second support, a protuberance, a linear elasticity part and a connecting rod.Second
Frame and protuberance are coaxially articulated in first support, and protuberance swings and links second support, and connecting rod interlocks linear elastic component, linear elasticity part
Swingably displacement stretch and spacing in first support.When second support is put relative to first support pivot, because connecting rod is firm
Property structure, connecting rod can limit the springing scope of linear elastic component, so that linear elasticity part is stably stretched, and can prevent linear bullet
Property part touches the inwall of first support.Abdomen exercising machine when static, by spring present a certain degree of stretching tight so that
Second support is in tighten stress.Due to the structure of Single spring, if increase exercise intensity can only lengthen and overstriking spring, ability
Guarantee that abdomen exercising machine can bear bigger elastic force.However, abdomen exercising machine receives the limited space of the first support of spring, increasing space will
Production cost is greatly improved.
Utility model content
For this reason, technical problem to be solved in the utility model is the swing arm telescoping mechanism of abdomen exercising machine in prior art
The construction tensile strength of the Single spring of extension spring structure is not enough, and single with external connection mode, and connective stability is poor.
For solving above-mentioned technical problem, adopted technical scheme of the present utility model：
A kind of abdomen exercising machine swing arm telescoping mechanism, comprises：
Rotary shaft rack, the rotary shaft rack left and right sides coats protection cap, is provided with tube installing hole, and it is spacing to be provided with first
Frame and the second position-limited rack；
L-type swing arm, one end is welded with tube；
Tube, in cylinder, described tube center is provided with through hole, is arranged in described rotary shaft rack by screw,
And make the mobilizable rotation between the first position-limited rack and the second position-limited rack of tube；
Swing fixture, U-shaped, it is welded in outside described tube, be provided with connecting hole；
Extension spring, comprises further：
First rotating ballhead, is provided with through hole at bulb, be connected by screw with the described connecting hole swinging fixture；
Cable wire, in elbow structure, one end is passed through to connect one end of described first rotating ballhead, and the other end connects the second rotation
Bulb；
Second rotating ballhead, one end connects described cable wire, and the other end connects inner spring；
Inner spring, one end connects described second rotating ballhead, and the other end connects the 3rd rotating ballhead；
3rd rotating ballhead, is provided with through hole at bulb；
Outer spring, is set in outside described inner spring, and described outer spring two ends carry out necking process so that internal diameter is less than described
The internal diameter of inner spring；
Elastic connection seat, is provided with two through holes, connects described 3rd rotating ballhead and connects spiral lock；
Positioning seat, is provided with two screw holes, connects for positioning elastic connecting seat, the 3rd rotating ballhead, spiral lock；
Spiral lock, one end is provided with rotatable bulb, and described rotatable bulb middle setting has through hole, and centre is with spiral shell
The bar of stricture of vagina, the other end connects adjusting knob；
Fixed seat, is internally provided with the screw thread engaging with the screw thread of described bar, and described adjusting knob is arranged on described fixation
Seat end；
It is provided with heat absorption plate core structure support, described heat absorption plate core structure support coats described stretching between described rotary shaft rack and described fixed seat
Spring.
The two ends that described inner spring is contacted with described outer spring are provided with plastic cement block.
Described first rotating ballhead and described cable wire are using the connected mode riveting.
Described second rotating ballhead one end and described cable wire are using the connected mode riveting；The other end be provided with screw thread with interior
In spring, the screw thread of setting corresponds to, and the two is connected by spiral.
One end of described 3rd rotating ballhead is provided with screw thread, and corresponding with the screw thread of setting in inner spring, the two passes through
Spiral connects.
The maximum pull that the maximum pull that described outer spring is born is born more than described inner spring.
Technique scheme of the present utility model has advantages below compared to existing technology.
1. a kind of abdomen exercising machine swing arm telescoping mechanism of the present utility model, comprises rotary shaft rack, L-type swing arm, tube, swings admittedly
Determine part, extension spring, elastic connection seat, positioning seat, spiral lock.L-type swing arm can be in first position-limited rack and second of rotary shaft rack
Rotate between position-limited rack.Wherein extension spring comprises further：Cable wire, the second rotating ballhead, inner spring, the 3rd rotating ballhead,
Outer spring.Described inner spring connects the first rotating ballhead by cable wire, and the other end connects described 3rd rotating ballhead, can basis
The spring of limit of stretch needed for demand replacement.It is arranged with outer spring, outer spring two ends carry out necking process, make outside described inner spring
Obtain during spring elongation, inner spring is encased by outer spring all the time.The design of dual spring can be significantly increased extension spring knot
The limit of stretch of structure.
2. a kind of extension spring structure inner spring of abdomen exercising machine swing arm telescoping mechanism of the present utility model is connected with outer spring
Tactile two ends are provided with plastic cement block, it is possible to reduce the noise that inner spring is produced because of friction with outer spring, also can reduce inner spring
The loss producing because of friction with outer spring.
3. a kind of the first rotating ballhead of abdomen exercising machine swing arm telescoping mechanism of the present utility model and cable wire are using the company riveting
The process equipment connecing needed for mode is simple, has antidetonation, stretch-proof, and solid and reliable advantage.
4. one end of the 3rd rotating ballhead of a kind of abdomen exercising machine swing arm telescoping mechanism of the present utility model is provided with screw thread,
Corresponding with the screw thread of setting in inner spring, the two is connected by spiral, and connected mode is easy, has the advantages that stretch-proof.
5. the maximum pull that a kind of outer spring of abdomen exercising machine swing arm telescoping mechanism of the present utility model is born is more than interior bullet
The maximum pull that spring is born, it is to avoid pulling force is excessive to cause outer spring to rupture suddenly, causes danger.
Brief description
In order that content of the present utility model is more likely to be clearly understood, it is embodied as below according to of the present utility model
Example simultaneously combines accompanying drawing, and this utility model is described in further detail, wherein,
Fig. 1 is applied to the schematic diagram of abdomen exercising machine for a kind of this utility model abdomen exercising machine swing arm telescoping mechanism；
Fig. 2 is a kind of STRUCTURE DECOMPOSITION axonometric chart of this utility model abdomen exercising machine swing arm telescoping mechanism；
Fig. 3 is a kind of STRUCTURE DECOMPOSITION front view of this utility model abdomen exercising machine swing arm telescoping mechanism；
Fig. 4 is a kind of extension spring structural representation of this utility model abdomen exercising machine swing arm telescoping mechanism；
Fig. 5 is knot during a kind of inner spring resting state of extension spring of this utility model abdomen exercising machine swing arm telescoping mechanism
Structure schematic diagram；
Fig. 6 is that a kind of structure of first rotating ballhead of extension spring of this utility model abdomen exercising machine swing arm telescoping mechanism is shown
It is intended to；
Fig. 7 is that a kind of structure of second rotating ballhead of extension spring of this utility model abdomen exercising machine swing arm telescoping mechanism is shown
It is intended to；
Fig. 8 is that a kind of structure of the 3rd rotating ballhead of extension spring of this utility model abdomen exercising machine swing arm telescoping mechanism is shown
It is intended to；
Fig. 9 is a kind of structural representation of the plastic cement block of extension spring of this utility model abdomen exercising machine swing arm telescoping mechanism
Figure.
In figure reference is expressed as：1- rotary shaft rack；The left protection cap of 11-；The right protection cap of 12-；15- installing hole；13-
One position-limited rack；14- second position-limited rack；2-L type swing arm；3- tube；31- through hole；4- swings fixture；41- connecting hole；5- stretches
Spring；51- first rotating ballhead；511- through hole；52- cable wire；53- second rotating ballhead；54- inner spring；55- the 3rd screw
Head；551- through hole；56- outer spring；6- elastic connection seat；61- through hole；7- positioning seat；8- spiral lock；81- adjusting knob；9- is solid
Reservation；10- heat absorption plate core structure support.
Specific embodiment
A kind of abdomen exercising machine is as shown in figure 1, include a medicated cushion, the swing arm drawing mechanism of two about distributions.Described swing arm
Drawing mechanism as shown in figs. 2-9, comprises：
Rotary shaft rack 1, the rotary shaft rack left and right sides coats protection cap, is divided into left protection cap 11, right protection cap 12.Two guarantors
Protecting cover can be connected by screw.Described rotary shaft rack 1 is provided with tube installing hole 15, and is provided with the first position-limited rack 13 and
Two position-limited racks 14.
L-type swing arm 2, one end is welded with tube 3.L-type swing arm 2 material is metal.Generally in one end of contact user's body
It is coated with sponge.
Tube 3, in cylinder, described tube center is provided with through hole 31, is arranged on described rotary shaft rack 1 by screw
Interior, screw passes through described installing hole 15 and described through hole 31.And make tube mobilizable in the first position-limited rack 13 and the second limit
Rotate between the frame 14 of position.
Swing fixture 4, U-shaped, it is welded in outside described tube, be provided with connecting hole 41.
Extension spring 5, comprises further：
First rotating ballhead 51, facilitates described swing fixture 4 to connect.It is provided with through hole 511, with described swing at bulb
The connecting hole 41 of fixture is connected by screw.
Cable wire 52, in elbow structure, is welded to the outside of described tube 3 due to swinging fixture, that is, in user
The movement locus swinging fixture 4 during use are circular arcs, and bend design can make extension spring 5 be in level fortune as far as possible
Dynamic, it is to avoid spring is touched outside support inwall in motor process and caused noise.The first rotation described in riveting is passed through in one end
One end of bulb 51, the other end passes through riveting the second rotating ballhead 53.Cable wire can play the first rotating ballhead 51 with
Cushioning effect in second rotating ballhead 53.
Second rotating ballhead 53, one end connects described cable wire 52, and the other end connects inner spring 54.
Inner spring 54, one end connects described second rotating ballhead 53, and the other end connects the 3rd rotating ballhead 54.
3rd rotating ballhead 55, is provided with through hole 551 at bulb.
Outer spring 56, is set in outside described inner spring 54, and described outer spring 56 two ends carry out necking process so that internal diameter is little
Internal diameter in described inner spring.So that during spring elongation, inner spring 54 is encased by outer spring 56 all the time, bullet in stretching
The stretching of outer spring is driven during spring.The design of dual spring can be significantly increased the limit of stretch of extension spring structure.Through testing number
According to showing, inner spring and outer spring born maximum elastic force consistent in the case of, the maximum bullet that the design of dual spring is born
Power is more than the three times of maximum elastic force that Single spring is born.
Elastic connection seat 6, is provided with two through holes 61, is connected by screw described 3rd rotating ballhead 55 and connects screw lock
Part 7.
Positioning seat 7, is provided with two screw holes, for positioning elastic connecting seat 6, the 3rd rotating ballhead 55, spiral lock 8 even
Connect.
Spiral lock 8, one end is provided with rotatable bulb, and described rotatable bulb middle setting has through hole, centre be with
The bar of screw thread, the other end connects adjusting knob 81.
Fixed seat 9, is internally provided with the screw thread engaging with the screw thread of described bar, and described adjusting knob 81 is arranged on described solid
The end of reservation 9.
It is provided with heat absorption plate core structure support 10, described heat absorption plate core structure support cladding is described between described rotary shaft rack 1 and described fixed seat
Extension spring 5.Described heat absorption plate core structure support 10 constitutes the stretching displacement of extension spring 5 with described rotary shaft rack 1 and described fixed seat 9
Space.
Because adjusting knob 81 is provided in the end of described fixed seat 9, can be with displacement institute by rotating condition knob 81
State spiral lock 8, thus changing the tensile deformation degree of extension spring.
The two ends that described inner spring 54 is contacted with described outer spring 56 are provided with plastic cement block 57.Inner spring can be reduced
54 noises producing because of friction with outer spring 56, also can reduce the loss that inner spring 54 is produced because of friction with outer spring 56.
Described first rotating ballhead 51 is with described cable wire 52 using the connected mode riveting.Required process equipment is simple,
There is antidetonation, stretch-proof, and solid and reliable advantage, it is to avoid in drawing process, rotating ballhead is separated with cable wire suddenly, endangers
Danger.
Described second rotating ballhead 53 one end and described cable wire 52 are using the connected mode riveting；The other end is provided with screw thread
Corresponding with the screw thread of setting in inner spring, the two is connected by spiral, and connected mode is easy, has the advantages that stretch-proof.Described
3rd rotating ballhead, adopts flat design at bulb, conveniently grips connection, the fixation of part.
One end of described 3rd rotating ballhead 55 is provided with screw thread, corresponding with the screw thread of setting in inner spring, and the two leads to
Cross spiral to connect, connected mode is easy, has the advantages that stretch-proof.Described 3rd rotating ballhead, is set using flat at bulb
Meter, conveniently grips connection, the fixation of part.
The maximum pull that the maximum pull that described outer spring is born is born more than described inner spring.Avoid pulling force excessive
Cause outer spring to rupture suddenly, cause danger.
Described first rotating ballhead 51, the second rotating ballhead 53, the material of the 3rd rotating ballhead 55 are rustless steel.Can also
Using other metal materials, such as copper, galvanized steel, aluminium alloy etc..Plastic cement material can also be adopted, such as PC, ABS etc..
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among the protection domain created still in this utility model.
Claims (6)
1. a kind of abdomen exercising machine swing arm telescoping mechanism is it is characterised in that comprise：
Rotary shaft rack, the rotary shaft rack left and right sides coat protection cap, be provided with tube installing hole, and be provided with the first position-limited rack and
Second position-limited rack；
L-type swing arm, one end is welded with tube；
Tube, in cylinder, described tube center is provided with through hole, is arranged in described rotary shaft rack by screw, and makes
Obtain the mobilizable rotation between the first position-limited rack and the second position-limited rack of tube；
Swing fixture, U-shaped, it is welded in outside described tube, be provided with connecting hole；
Extension spring, comprises further：
First rotating ballhead, is provided with through hole at bulb, be connected by screw with the described connecting hole swinging fixture；
Cable wire, in elbow structure, one end connects one end of described first rotating ballhead, and the other end connects the second rotating ballhead；
Second rotating ballhead, one end connects described cable wire, and the other end connects inner spring；
Inner spring, one end connects described second rotating ballhead, and the other end connects the 3rd rotating ballhead；
3rd rotating ballhead, is provided with through hole at bulb；
Outer spring, is set in outside described inner spring, and described outer spring two ends carry out necking process so that internal diameter is less than described interior bullet
The internal diameter of spring；
Elastic connection seat, is provided with two through holes, connects described 3rd rotating ballhead and connects spiral lock；
Positioning seat, is provided with screw hole, connects for positioning elastic connecting seat, the 3rd rotating ballhead, spiral lock；
Spiral lock, one end is provided with rotatable bulb, and described rotatable bulb middle setting has through hole, and middle is screwed
Bar, the other end connects adjusting knob；
Fixed seat, is internally provided with the screw thread engaging with described bar screw thread, and described adjusting knob is arranged on described fixed seat end；
It is provided with heat absorption plate core structure support, described heat absorption plate core structure support coats described stretching bullet between described rotary shaft rack and described fixed seat
Spring, one end and described fixed seat riveting.
2. according to claim 1 a kind of abdomen exercising machine swing arm telescoping mechanism it is characterised in that described inner spring and described outer bullet
The two ends that spring contacts are provided with plastic cement block.
3. a kind of abdomen exercising machine swing arm telescoping mechanism according to claim 2 it is characterised in that described first rotating ballhead with
Described cable wire is using the connected mode of riveting.
4. a kind of abdomen exercising machine swing arm telescoping mechanism according to claim 3 is it is characterised in that described second screw is first
End and described cable wire are using the connected mode riveting；It is corresponding with the screw thread arranging in inner spring that the other end is provided with screw thread, the two
Connected by spiral.
5. a kind of abdomen exercising machine swing arm telescoping mechanism according to claim 4 is it is characterised in that described 3rd rotating ballhead
One end is provided with screw thread, and corresponding with the screw thread of setting in inner spring, the two is connected by spiral.
6. a kind of abdomen exercising machine swing arm telescoping mechanism according to claim 5 is it is characterised in that what described outer spring was born
The maximum pull that maximum pull is born more than described inner spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620903633.8U CN205964862U (en) | 2016-08-18 | 2016-08-18 | Strong abdomen machine swing arm telescopic machanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620903633.8U CN205964862U (en) | 2016-08-18 | 2016-08-18 | Strong abdomen machine swing arm telescopic machanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205964862U true CN205964862U (en) | 2017-02-22 |
Family
ID=58031199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620903633.8U Expired - Fee Related CN205964862U (en) | 2016-08-18 | 2016-08-18 | Strong abdomen machine swing arm telescopic machanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205964862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134349A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江尚摩工贸有限公司 | Multifunctional fitness equipment |
-
2016
- 2016-08-18 CN CN201620903633.8U patent/CN205964862U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134349A1 (en) * | 2020-12-25 | 2022-06-30 | 浙江尚摩工贸有限公司 | Multifunctional fitness equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20180818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |