CN109821196A - A kind of fluid pressure type stretcher for the students'growth phase - Google Patents
A kind of fluid pressure type stretcher for the students'growth phase Download PDFInfo
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- CN109821196A CN109821196A CN201910195381.6A CN201910195381A CN109821196A CN 109821196 A CN109821196 A CN 109821196A CN 201910195381 A CN201910195381 A CN 201910195381A CN 109821196 A CN109821196 A CN 109821196A
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Abstract
A kind of fluid pressure type stretcher for the students'growth phase, including telescope support and hydraulic gear, telescope support includes first support and second support, first support includes the first fixed ring for being set to the connecting rod of its end and being set to its top, second support includes object placing cavity and the second fixed ring for being set to its end, first fixed ring and the second fixed ring built-in elastic rope, hydraulic gear includes pressing device, first cylinder body, first piston, second cylinder body, second piston, first petroleum pipeline, second petroleum pipeline, third petroleum pipeline, oil extraction check valve, in line check valve, shut-off valve and fuel tank, pressing device is set to above first piston, first piston is built in the first cylinder body, second piston is built in the second cylinder body and is connected with connecting rod, second cylinder body and fuel tank are built in object placing cavity, first oil transportation Pipe is connected to the first cylinder body and the second cylinder body, and the second petroleum pipeline is connected to the first cylinder body and fuel tank, and third petroleum pipeline is connected to the second cylinder body and fuel tank.
Description
Technical field
The present invention relates to sports goods fields, and in particular to a kind of fluid pressure type stretcher for the students'growth phase.
Background technique
It other than the intellectual education of emphasis student, moral education culture, while should also focus on sport training, reinforce the body element of student
Matter could promote it preferably to be learnt, and especially in adolescence, children carry out ligament tension, can be significantly
Moving equilibrium ability is improved, and constraint of the ligament to bone growth can be reduced to a certain extent, there is certain promotion bone
The effect of growth, while muscle can be allowed to obtain bigger extending space, enhance leg exercise function, leg can become more to have
Power.Adult carries out ligament tension, and leg exercise function can be enhanced, and leg becomes stronger, slows down bone aging.In addition,
Ligament tension has certain rehabilitative action for specific crowd.
Occur a variety of stretching equipment on the market at present, such ligament tensioner when supplementary ligamentory stretches, human body according to
Lifting seat adjustment and the idler wheel realization angle for relying on leg support frame, do not have portability, and the data that can not accurately stretch, only
Judged by the impression of user, is easy to damage body in use.
Summary of the invention
Goal of the invention: to solve the problems in the background art, the embodiment of the invention provides one kind for student at
Long-term fluid pressure type stretcher.
Technical solution: a kind of fluid pressure type stretcher for the students'growth phase, including telescope support and hydraulic drive
Mechanism, the telescope support are divided into two parts up and down, including first support and second support, the first support are set to
The top of the second support, the hydraulic gear are set to the outside of the second support, and the first support includes
Connecting rod and the first fixed ring, the connecting rod end in a vertical shape for being set to the first support, described first is fixed
Device is set to the top of the first support, and the second support includes object placing cavity and the second fixed ring, the object placing cavity
Upper opening, and outside is provided with first through hole and the second through-hole, and the described second fixed device is set to described second
The end of frame, first fixed ring and the second fixed ring built-in elastic rope, are fixed on user's body, the hydraulic drive motor
Structure includes that pressing device, the first cylinder body, first piston, the second cylinder body, second piston, the first petroleum pipeline, the second petroleum pipeline, third are defeated
Oil pipe, oil extraction check valve, in line check valve, shut-off valve and fuel tank, the pressing device are set to the top of the first piston
And be fixedly linked, the first piston is built in first cylinder body, the second piston be built in second cylinder body and with
The connecting rod is connected, and second cylinder body and the fuel tank are built in the object placing cavity, and first petroleum pipeline passes through institute
It states first through hole and is connected to first cylinder body and second cylinder body, second petroleum pipeline passes through second through-hole and company
Lead to first cylinder body and the fuel tank, the third petroleum pipeline is connected to second cylinder body and the fuel tank, the oil extraction list
It is built in first petroleum pipeline to valve, the in line check valve is built in second petroleum pipeline, and the shut-off valve is built in
The third petroleum pipeline.
As a kind of preferred embodiment of the invention, the telescope support further includes runing rest, and the runing rest includes
The first storage chamber and the second storage chamber of several opposition settings, first storage chamber and second storage chamber pass through height
Density thin film is isolated with the telescope support.
As a kind of preferred embodiment of the invention, the telescope support further includes hot-water bottle, and the hot-water bottle is set to institute
It states in the first storage chamber.
As a kind of preferred embodiment of the invention, the telescope support further includes ice bag, and the ice bag is set to described
In two storage chambers.
As a kind of preferred embodiment of the invention, the telescope support further includes telescopic supporting rod, the telescopic supporting rod
It is connected by the first rotary connector with the first support, the telescopic supporting rod is fixed on the rear side of the first support.
As a kind of preferred embodiment of the invention, the telescopic supporting rod includes rubber sheet gasket, and the rubber sheet gasket passes through
Second rotary connector is connected with the end of the telescopic supporting rod, and the side of the rubber sheet gasket and ground face contact is provided with table
The rough texture in face.
As a kind of preferred embodiment of the invention, the connecting rod includes vacuum chuck device, the second piston it is upper
Surface is provided with smooth sheet metal, and the vacuum chuck device is set to the end of the connecting rod, and is adsorbed in the gold
Belong to piece.
As a kind of preferred embodiment of the invention, the hydraulic gear further includes protective device, the protective device
Including the transparent cartridge and the box cover hinged with the box body being set to outside the pressing device, the box cover is located at described press
The top of depressor.
As a kind of preferred embodiment of the invention, the connecting rod further includes scale value, and zero graduation line is located at described first
The junction of bracket and the second support.
As a kind of preferred embodiment of the invention, the first support further includes third rotary connector, the third rotation
Position and the knee position for turning connector are contour.
The present invention realize it is following the utility model has the advantages that
A kind of fluid pressure type stretcher for the students'growth phase provided by the invention can be used in any four limbs of user, pass through liquid
Transmission principle is pressed to realize the separation and combination of first support and second support, to reach the effect of stretching；After the exercise, also
It can carry out cold treatment or thermotherapy；There is provided it is accurate stretch data, uniform scale value is provided in connecting rod, when first support with
When the distance between second support is in minimum value, the scale value in connecting rod is zero, and when pressing pressing device, second piston will
Connecting rod is regular upwards, and the scale value exposed in the connecting rod of the second cylinder body becomes larger, and maximum scale value is tensile elongation,
Body-building by scientific methods can be carried out by the slight change of scale value；When telescope support is used for lower limb, telescopic supporting rod be can provide
Part support function can reduce telescope support burden caused by user's body；Telescope support can also be rotated by third to be connected
Fitting realizes bending, and in user's walking, telescope support can reach an agreement with the bending of user leg, secondly, being revolved by third
Turn connector and telescopic supporting rod also analog sitting posture.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and consistent with the instructions for explaining the principles of this disclosure.
Fig. 1 is a kind of fluid pressure type stretcher structural schematic diagram for the students'growth phase provided by the invention；
Fig. 2 is rotary bracket structure schematic diagram provided by the invention；
Fig. 3 is telescopic supporting rod structural schematic diagram provided by the invention；
Fig. 4 is that telescopic supporting rod provided by the invention uses schematic diagram；
Fig. 5 is vacuum absorption device structural schematic diagram provided by the invention；
Fig. 6 is protective device structural schematic diagram provided by the invention；
Fig. 7 is that third rotary connector provided by the invention uses schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
As shown in Fig. 1,5,6, a kind of fluid pressure type stretcher for the students'growth phase, including telescope support and hydraulic drive
Mechanism, telescope support are divided into two parts up and down, including first support 1 and second support 2, first support 1 are set to second
The top of bracket 2, hydraulic gear are set to the outside of second support 2, and first support 1 includes that connecting rod 3 and first are solid
Determine ring 4, the end in a vertical shape for being set to first support 1 of connecting rod 3, the first fixed device is set to the top of first support 1,
Second support 2 include object placing cavity 5 and the second fixed ring 6, the upper opening of object placing cavity 5, and outside be provided with first through hole 7 with
And second through-hole 8, the second fixed device are set to the end of second support 2, built in the first fixed ring 4 and the second fixed ring 6
Elastic string 9, is fixed on user's body, and hydraulic gear includes pressing device 10, the first cylinder body 11, first piston 12, the second cylinder
Body 13, second piston 14, the first petroleum pipeline 15, the second petroleum pipeline 16, third petroleum pipeline 17, oil extraction check valve 18, oil inlet are unidirectional
Valve 19, shut-off valve 20 and fuel tank 21, pressing device 10 is set to the top of first piston 12 and is fixedly linked, in first piston 12
It is placed in the first cylinder body 11, second piston 14 is built in the second cylinder body 13 and is connected with connecting rod 3, the second cylinder body 13 and fuel tank 21
It is built in object placing cavity 5, the first petroleum pipeline 15 passes through first through hole 7 and is connected to the first cylinder body 11 and the second cylinder body 13, the second oil transportation
Pipe 16 passes through the second through-hole 8 and is connected to the first cylinder body 11 and fuel tank 21, second cylinder body of the connection of third petroleum pipeline 17 13 and fuel tank 21,
Oil extraction check valve 18 is built in the first petroleum pipeline 15, and in line check valve 19 is built in the second petroleum pipeline 16, and shut-off valve 20 is built in
Third petroleum pipeline 17.
Connecting rod 3 includes vacuum chuck device 29, and the upper surface of second piston 14 is provided with smooth sheet metal 30, vacuum
Acetabula device 29 is set to the end of connecting rod 3, and is adsorbed in sheet metal 30.
Hydraulic gear further includes protective device, and protective device includes the transparent cartridge 31 being set to outside pressing device 10
And the hinged box cover 32 with box body 31, box cover 32 are located at the top of pressing device 10.
Connecting rod 3 further includes scale value, and zero graduation line is located at the junction of first support 1 and second support 2.
Specifically, telescope support is wearable in any upper limb or lower limb, and telescope support is set as cylindrical body or quadrangular knot
Structure, does not include upper and lower, side and inner hollow, telescope support include first support 1 and second support 2, second support 2
Size be slightly larger than first support 1, first support 1 and second support 2 pass through vacuum chuck device 29 and are flexibly connected, in use,
Vacuum chuck device 29 is adsorbed on the sheet metal 30 of 14 upper surface of second piston, after use, is desorbed, can will stretched
The separation of contracting bracket is independent first support 1 and second support 2, easy to disassemble and storage.Telescope support passes through hydraulic drive
Mechanism realizes Telescopic, wherein second support 2 is internally provided with the fixed object placing cavity 5 of a volume, object placing cavity 5
Volume matches with the second cylinder body 13 and fuel tank 21, and the top of object placing cavity 5 is provided with buckle, buckles the second cylinder body 13
And fuel tank 21 is fixed in object placing cavity 5, the second cylinder body 13 is set to the top of fuel tank 21, and first support 1 is set to second
The top of bracket 2, therefore, the second piston 14 in the second cylinder body 13 directly act on the connecting rod 3 of 1 end of first support, from
And change the distance between first support 1 and second support 2 indirectly.Processing is sealed to fuel tank 21, in first through hole 7 and
The junction of one petroleum pipeline 15 and the second through-hole 8 and the second petroleum pipeline 16 setting sealing rubber circle, prevents the oil liquid in fuel tank 21
It is overflowed from first through hole 7 or the second through-hole 8.To prevent from accidentally touching, the present invention is provided with protective device in the outside of pressing device 10, tool
Body is set as transparent cartridge 31, and pressing device 10 is completely covered in it by transparent cartridge 31, user before operating pressing device 10,
The box cover 32 above pressing device 10 need to first be opened.Scale value is located at the lower half portion of connecting rod 3, i.e., connects by default
Extension bar 3 is located at the intracorporal part of the second bar, and user can be drawn by the scale value in the connecting rod 3 of the second cylinder body 13 of exposing to obtain
The length stretched, the maximum scale value in tensile elongation, that is, connecting rod 3, by default, second piston 14 is located at the second cylinder body
13 bottommost, the distance between first support 1 and second support 2 are minimum value, and zero graduation line is located in connecting rod 3 and second
At 13 top horizontal of cylinder body, when second piston 14 moves upwards, the scale value observed is become larger.
In the use of the present invention, vacuum chuck device 29 is adsorbed on the sheet metal 30 of 14 upper surface of second piston, then
Telescope support is worn on any upper limb or lower limb, after finding suitable position, it is fixed to tighten the first fixed ring 4 and second respectively
Elastic string 9 in ring 6, telescope support is fixed on user's body, is opened the box cover 32 of 10 top of pressing device, is pressed gradually downward
Dynamic pressing device 10, pressing device 10 drive first piston 12 to move down, and the swept volume of the first cylinder body 11 reduces, due to the effect of pressure
Oil liquid in first cylinder body 11 is squeezed out, oil liquid pushes oil extraction check valve 18 open, leads at this point, in line check valve 19 has been automatically closed
Toward the right wing of fuel tank 21, that is, it being closed the second petroleum pipeline 16, discharged oil liquid enters the second cylinder body 13 through the first petroleum pipeline 15,
Since the first cylinder body 11 and the second cylinder body 13 are the working chamber of sealing, the oil liquid into the second cylinder body 13 pushes up second
Piston 14, and jacked up first support 1 upwards by connecting rod 3, reach the function of stretching, meanwhile, leaning forward above the waist can be into one
Shut-off valve 20 is rotated by 90 ° by step enhancing drawing effect after usage, third petroleum pipeline 17 is connected to, in first support 1
Under gravity, the oil liquid in the second cylinder body 13 flows back to fuel tank 21 automatically, and second piston 14 drops to original position.
Embodiment two
As shown in Fig. 2, telescope support further includes runing rest 22, runing rest 22 includes the first storage chamber of several opposition settings
23 and second storage chamber 24, the first storage chamber 23 and the second storage chamber 24 be isolated by high-density film with telescope support.
Telescope support further includes hot-water bottle, and hot-water bottle is set in the first storage chamber 23.
Telescope support further includes ice bag, and ice bag is set in the second storage chamber 24.
Specifically, runing rest 22 is flexibly connected with telescope support, and the two detachably separates, in normal use stretch function
When, without installing runing rest 22, when needing using cold treatment or thermotherapy, in installation runing rest 22.In runing rest 22
The heart is provided with rotary shaft, and rotary shaft is in a vertical shape to be connected with the bottom at the top of first support 1 and second support 2 respectively, rotation
The left and right sides of shaft is respectively the first storage chamber 23 and the second storage chamber 24, the first storage chamber 23 and the second storage chamber 24
Several various sizes of storage spaces are respectively included, when carrying out cold treatment, runing rest 22 are rotated, so that 24 institute of the second storage chamber
Side outwardly, ice bag is put into the second storage chamber 24, then by runing rest 22 rotate 180 degree, ice bag penetrate high density thin
Film acts on user's body；When carrying out thermotherapy, runing rest 22 is rotated, so that 23 side of the first storage chamber is outwardly, it will
Hot-water bottle is put into the first storage chamber 23, then runing rest 22 is rotated 180 degree, and hot-water bottle acts on use through high-density film
Family body.
Embodiment three
As shown in Fig. 3,4,7, telescope support further includes telescopic supporting rod 25, and telescopic supporting rod 25 passes through the first rotary connector 26
It is connected with first support 1, telescopic supporting rod 25 is fixed on the rear side of first support 1.
Telescopic supporting rod 25 includes rubber sheet gasket 27, and rubber sheet gasket 27 passes through the second rotary connector 28 and telescopic supporting rod
25 end is connected, and the side of rubber sheet gasket 27 and ground face contact is provided with the texture of surface irregularity.
First support 1 further includes third rotary connector 33, and the position of third rotary connector 33 and knee position are contour.
Specifically, when telescope support is used for lower limb, telescopic supporting rod 25 can provide part support function, due to fuel tank 21
Structure make telescope support be only capable of the use in user's standing state, therefore, when long-time stand after, telescope support can to
The body at family causes centainly to bear, and telescopic supporting rod 25 is used to mitigate telescope support burden caused by user's body, stretches
Support rod 25 can be rotated around the first rotary connector 26, and its length is adjustable, again to its length after any rotation
It is adjusted, rubber sheet gasket 27 is bonded with ground automatically by the second rotary connector 28.User's body tilts backwards, when flexible
When support rod 25 and ground contradict, integrally reach the state of stress balance.
Telescope support can also by third rotary connector 33 realize bend, user walking when, telescope support can with
The bending of family leg is reached an agreement, secondly, by third rotary connector 33 and telescopic supporting rod 25 also analog sitting posture, when
First support 1 is vertical with second support 2, and when first support 1 is vertical with telescopic supporting rod 25, second support 2 is equivalent to chair
Foreleg, telescopic supporting rod 25 is equivalent to the back leg of chair, and first support 1 is equivalent to the sitting face of chair.
The above embodiments merely illustrate the technical concept and features of the present invention, and the purpose is to allow the skill for being familiar with the technical field
Art personnel can understand the content of the present invention and implement it accordingly, and can not be limited the scope of the invention with this.All bases
Equivalent changes or modifications made by spirit of the invention, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of fluid pressure type stretcher for the students'growth phase, including telescope support and hydraulic gear, feature
It is, the telescope support is divided into two parts up and down, including first support (1) and second support (2), the first support
(1) it is set to the top of the second support (2), the hydraulic gear is set to the outside of the second support (2), institute
Stating first support (1) includes connecting rod (3) and the first fixed ring (4), and the connecting rod (3) is in a vertical shape to be set to described
The end of one bracket (1), the described first fixed device are set to the top of the first support (1), second support (2) packet
Object placing cavity (5) and the second fixed ring (6), the upper opening of the object placing cavity (5) are included, and outside is provided with first through hole (7)
And second through-hole (8), the described second fixed device are set to the end of the second support (2), first fixed ring (4)
And second fixed ring (6) the built-in elastic rope (9), be fixed on user's body, the hydraulic gear include pressing device (10),
First cylinder body (11), first piston (12), the second cylinder body (13), second piston (14), the first petroleum pipeline (15), the second petroleum pipeline
(16), third petroleum pipeline (17), oil extraction check valve (18), in line check valve (19), shut-off valve (20) and fuel tank (21), it is described
Pressing device (10) is set to the top of the first piston (12) and is fixedly linked, and the first piston (12) is built in described
One cylinder body (11), the second piston (14) are built in second cylinder body (13) and are connected with the connecting rod (3), and described
Two cylinder bodies (13) and the fuel tank (21) are built in the object placing cavity (5), and first petroleum pipeline (15) passes through described first
Through-hole (7) is simultaneously connected to first cylinder body (11) and second cylinder body (13), and second petroleum pipeline (16) passes through described the
Two through-holes (8) are simultaneously connected to first cylinder body (11) and the fuel tank (21), third petroleum pipeline (17) connection described second
Cylinder body (13) and the fuel tank (21), the oil extraction check valve (18) are built in first petroleum pipeline (15), the oil inlet list
It is built in second petroleum pipeline (16) to valve (19), the shut-off valve (20) is built in the third petroleum pipeline (17).
2. a kind of fluid pressure type stretcher for the students'growth phase according to claim 1, it is characterised in that: described to stretch
Contracting bracket further includes runing rest (22), the runing rest (22) include it is several opposition setting the first storage chamber (23) and
Second storage chamber (24), first storage chamber (23) and second storage chamber (24) are stretched by high-density film with described
The isolation of contracting bracket.
3. a kind of fluid pressure type stretcher for the students'growth phase according to claim 2, it is characterised in that: described to stretch
Contracting bracket further includes hot-water bottle, and the hot-water bottle is set in first storage chamber (23).
4. a kind of fluid pressure type stretcher for the students'growth phase according to claim 2, it is characterised in that: described to stretch
Contracting bracket further includes ice bag, and the ice bag is set in second storage chamber (24).
5. a kind of fluid pressure type stretcher for the students'growth phase according to claim 1, it is characterised in that: described to stretch
Contracting bracket further includes telescopic supporting rod (25), and the telescopic supporting rod (25) passes through the first rotary connector (26) and described first
Bracket (1) is connected, and the telescopic supporting rod (25) is fixed on the rear side of the first support (1).
6. a kind of fluid pressure type stretcher for the students'growth phase according to claim 5, it is characterised in that: described to stretch
Contracting support rod (25) includes rubber sheet gasket (27), and the rubber sheet gasket (27) passes through the second rotary connector (28) and described flexible
The end of support rod (25) is connected, and the side of the rubber sheet gasket (27) and ground face contact is provided with the line of surface irregularity
Reason.
7. a kind of fluid pressure type stretcher for the students'growth phase according to claim 1, it is characterised in that: the company
Extension bar (3) includes vacuum chuck device (29), and the upper surface of the second piston (14) is provided with smooth sheet metal (30), institute
It states vacuum chuck device (29) and is set to the end of the connecting rod (3), and be adsorbed in the sheet metal (30).
8. a kind of fluid pressure type stretcher for the students'growth phase according to claim 1, it is characterised in that: the liquid
Pressing transmission mechanism further includes protective device, and the protective device includes being set to the external transparent cartridge of the pressing device (10)
(31) box cover (32) hinged and with the box body (31), the box cover (32) are located at the top of the pressing device (10).
9. a kind of fluid pressure type stretcher for the students'growth phase according to claim 1, it is characterised in that: the company
Extension bar (3) further includes scale value, and zero graduation line is located at the junction of the first support (1) and the second support (2).
10. a kind of fluid pressure type stretcher for the students'growth phase according to claim 1, it is characterised in that: described
First support (1) further includes third rotary connector (33), the position of the third rotary connector (33) and knee position etc.
It is high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195381.6A CN109821196A (en) | 2019-03-14 | 2019-03-14 | A kind of fluid pressure type stretcher for the students'growth phase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195381.6A CN109821196A (en) | 2019-03-14 | 2019-03-14 | A kind of fluid pressure type stretcher for the students'growth phase |
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| CN109821196A true CN109821196A (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910195381.6A Pending CN109821196A (en) | 2019-03-14 | 2019-03-14 | A kind of fluid pressure type stretcher for the students'growth phase |
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Citations (7)
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| US5026046A (en) * | 1990-01-10 | 1991-06-25 | Decloux Richard J | Adjustable auxiliary hydraulic fluid accumulator control for hydraulically-phased stair climbing exercise apparatus |
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| KR101222770B1 (en) * | 2011-07-15 | 2013-01-15 | 주식회사 케이엘에스 | Tall sportign goods |
| CN205235277U (en) * | 2015-12-04 | 2016-05-18 | 孙富军 | Sit -up aid |
| CN206167775U (en) * | 2016-11-23 | 2017-05-17 | 兰州城市学院 | A tensile trainer of multi -way shank for dance basic training |
| CN107822769A (en) * | 2017-11-27 | 2018-03-23 | 佛山讯源医疗设备有限公司 | A kind of medical cold and hot compress bag |
| CN109248406A (en) * | 2018-10-18 | 2019-01-22 | 康立茂 | A kind of orthopedics patient leg muscle-training device |
-
2019
- 2019-03-14 CN CN201910195381.6A patent/CN109821196A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5026046A (en) * | 1990-01-10 | 1991-06-25 | Decloux Richard J | Adjustable auxiliary hydraulic fluid accumulator control for hydraulically-phased stair climbing exercise apparatus |
| CN2759430Y (en) * | 2004-12-07 | 2006-02-22 | 马文孝 | Portable lumbar and thoracic vertebrae tractor |
| KR101222770B1 (en) * | 2011-07-15 | 2013-01-15 | 주식회사 케이엘에스 | Tall sportign goods |
| CN205235277U (en) * | 2015-12-04 | 2016-05-18 | 孙富军 | Sit -up aid |
| CN206167775U (en) * | 2016-11-23 | 2017-05-17 | 兰州城市学院 | A tensile trainer of multi -way shank for dance basic training |
| CN107822769A (en) * | 2017-11-27 | 2018-03-23 | 佛山讯源医疗设备有限公司 | A kind of medical cold and hot compress bag |
| CN109248406A (en) * | 2018-10-18 | 2019-01-22 | 康立茂 | A kind of orthopedics patient leg muscle-training device |
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