CN112190885A - Grip strength adjustable spring-grip dumb-bells and use method thereof - Google Patents
Grip strength adjustable spring-grip dumb-bells and use method thereof Download PDFInfo
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- CN112190885A CN112190885A CN202010886274.0A CN202010886274A CN112190885A CN 112190885 A CN112190885 A CN 112190885A CN 202010886274 A CN202010886274 A CN 202010886274A CN 112190885 A CN112190885 A CN 112190885A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
- A63B23/16—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles for hands or fingers
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/008—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters
- A63B21/0085—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters using pneumatic force-resisters
- A63B21/0087—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using hydraulic or pneumatic force-resisters using pneumatic force-resisters of the piston-cylinder type
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/50—Force related parameters
- A63B2220/56—Pressure
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a grip strength adjustable spring-grip and a use method thereof, and relates to a body-building apparatus, which specifically comprises a grip frame and an underframe integrally formed with the grip frame, wherein a base is integrally formed and fixed at the bottom of the underframe, an adjusting box is integrally formed and fixed at the part of the underframe positioned in the grip frame, a lifting plate is slidably arranged in the adjusting box, two ends of the upper surface of the lifting plate are respectively fixedly connected with the bottom end of a vertical pull rod, the top end of the pull rod extends out of the upper part of the adjusting box and is fixedly connected with two ends of the bottom surface of a connecting plate, and a handle is arranged on the connecting plate. In the implementation process of the invention, the grip strength training intensity of the grip exerciser is adjusted by adjusting the initial pressure in the adjusting box, and the grip strength training intensity can be adjusted at will, so that the grip strength is adjusted more flexibly, and meanwhile, the grip exerciser is stressed more uniformly and reasonably.
Description
Technical Field
The invention relates to fitness equipment, in particular to a grip strength adjustable spring-grip dumb-bells and a using method thereof.
Background
When in use, the metal professional spring-grip is divided into different exercise methods such as one hand, two hands, upper holding, lower holding, double clamping and the like. The multifunctional body-building machine has the advantages of small and light volume, convenient carrying, no limitation in use, capability of exercising your hand strength at any time, fatigue relief, muscle firmness, muscle strengthening, blood circulation enhancement, long-term use, help for preventing rheumatic arthritis and the like, and is a necessary small-sized instrument for body building.
The existing spring-grip dumpers usually use springs or torsion springs to provide main components of grip strength training for the spring-grip dumpers when in use, and the size of the grip strength of each person is different, so that the training strength is usually adjusted by adjusting the number of the springs when the training strength of the spring-grip dumpers is adjusted. However, the mode can only realize the staged intensity adjustment, some people feel that the force is small when one spring is used, and the force is too large when one spring is added, so that the training intensity of the spring-grip can not be flexibly adjusted, and the practicability is low.
Disclosure of Invention
The invention aims to provide a grip strength adjustable spring-grip dumb-bells and a using method thereof, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a spring-grip with adjustable grip, includes the grip frame and with grip frame integrated into one piece's chassis, the bottom integrated into one piece of chassis is fixed with the base, and the part integrated into one piece that lies in the grip on the chassis is fixed with the regulating box, and the inside slidable mounting of regulating box has horizontally lifter plate, the upper surface both ends of lifter plate respectively with the bottom fixed connection of a vertical pull rod, the bottom surface both ends fixed connection of regulating box top and connecting plate is stretched out on the top of pull rod, installs the handle on the connecting plate.
As a further scheme of the invention: the bottom of the adjusting box is provided with a channel communicated with the outside, so that part of air pressure below the lifting plate in the adjusting box is always kept stable, and grip training is not influenced.
As a further scheme of the invention: the air cylinder is fixed on the base through a supporting block in a welding mode, a piston is arranged inside the air cylinder in a sliding mode, the top surface of the piston is fixedly connected with the bottom end of a push-pull rod, the top end of the push-pull rod extends out of the upper portion of the air cylinder, a push-pull plate is welded to the top end of the push-pull rod, the push-pull rod is connected with the top of the air cylinder in a sliding mode, a through hole used for air inflow into the air cylinder is formed in the top of the air cylinder, an air inlet pipe used for air inflow below the piston is formed in the piston, and a one-way valve is fixed to the air inlet pipe.
As a further scheme of the invention: the bottom surface of connecting plate corresponds the position of gas vent and has seted up first recess, and the second recess has been seted up to the position that the bottom surface of connecting plate corresponds the air inlet, makes the connecting plate all not take place the contact with gas vent and air inlet at the lift in-process to influence the work of gas vent and air inlet.
As a further scheme of the invention: the underrun of handle has the backing plate through bolt fixed mounting, and the finger groove that is used for increasing user comfort in use is offered on the surface of backing plate, and the equal centre gripping in top surface both ends of backing plate and the junction of handle bottom surface is fixed with second pressure sensor, detects user's grip through second pressure sensor.
As a further scheme of the invention: the embedded display that is fixed with of preceding terminal surface of chassis, the display embeds has the controller, and first pressure sensor and second pressure sensor all are connected with the display electricity through the controller to data display that will detect is on the display, and the person of facilitating the use makes more audio-visual judgement to the grip strength of self, improves the practicality of grip.
As a further scheme of the invention: the utility model discloses a handle, including handle, regulation pole, clamping groove, clamping block, clamping bar, clamping plate, spring, the both ends bottom surface of handle all welds vertical regulation pole, the draw-in groove has all been seted up to the relative one side of regulation pole, adjusts pole and connecting plate sliding connection, the fixed block has all been welded at the upper surface both ends of connecting plate, slidable mounting has the trip of J-shaped on the fixed block, the one end of trip stretches out the grip frame outer weld and has the clamp plate, the side of clamp plate and the one end fixed connection of spring, the other end of spring and the side fixed connection.
The use method of the grip strength adjustable spring-grip comprises the following steps:
the method comprises the following steps: according to the initial pressure intensity in the adjusting box displayed on the display and the requirements of a user, the piston reciprocates in the inflator through the push-pull plate, so that air is injected into the adjusting box, and the initial pressure intensity in the adjusting box is adjusted.
Step two: exert pressure to the clamp plate, make trip and draw-in groove separation to adjust the position of adjusting lever, and then adjust the distance between handle and the grip frame top, be applicable to the people of palm variation in size, the person's of facilitating the use application of force.
Step three: the user hooks the top of the grip frame with the thumb, hooks the backing plate at the bottom of the handle with the other four fingers, holds the handle forcefully to finish grip training, and facilitates the user to judge the grip size more intuitively according to the grip data displayed on the display.
Compared with the prior art, the invention has the beneficial effects that:
the grip strength training intensity of spring-grip is adjusted through the regulation to initial pressure in the regulating box, compare in traditional mode and adjust the grip strength training intensity of spring-grip through adjusting spring's number, traditional mode can only realize the stage adjustment of grip strength, often can face the inhomogeneous condition of atress that leads to the spring-grip of spring-grip in addition and take place, and this technical scheme can adjust wantonly the training intensity of grip, make the regulation of grip strength more nimble, and simultaneously, the atress of spring-grip is more even reasonable.
Through the regulation to the distance between handle and the grip frame top to be applicable to the people of palm variation in size and use, improve the practicality of spring-grip, and easy operation is convenient when adjusting, and the person of facilitating the use uses.
Drawings
Fig. 1 is a front view of a grip with adjustable grip strength.
Fig. 2 is a side view of a grip with adjustable grip strength.
Fig. 3 is a partially enlarged view of a portion a of a grip strength adjustable grip.
Fig. 4 is a top view of fig. 3.
As shown in the figure: the device comprises a base 1, an underframe 2, a display 3, a lifting plate 4, an adjusting box 5, a pull rod 6, an exhaust port 7, a connecting plate 8, a handle 9, a first groove 10, a grip frame 11, a backing plate 12, a first pressure sensor 13, a second pressure sensor 14, a second groove 15, an air inlet 16, a connecting pipe 17, a supporting block 18, an air cylinder 19, a piston 20, an air inlet pipe 21, a push-pull rod 22, a through hole 23, a push-pull plate 24, a pressing plate 25, a spring 26, a fixing block 27, a clamping hook 28, an adjusting rod 29 and a clamping groove 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.
Referring to fig. 1, in the embodiment of the present invention, a grip strength adjustable spring-grip includes a grip strength frame 11 and a bottom frame 2 integrally formed with the grip strength frame 11, a base 1 is integrally formed and fixed at the bottom of the bottom frame 2, stability of the spring-grip when placed is improved by the base 1, an adjusting box 5 is integrally formed and fixed at a portion of the bottom frame 2 located in the grip strength frame 11, a horizontal lifting plate 4 is slidably installed inside the adjusting box 5, two ends of an upper surface of the lifting plate 4 are respectively fixedly connected with a bottom end of a vertical pull rod 6, a top end of the pull rod 6 extends out of the upper side of the adjusting box 5 and is fixedly connected with two ends of a bottom surface of a connecting plate 8, and a handle 9 is installed on the connecting plate 8.
When the grip strength device is used, a user hooks the top of the grip strength frame 11 with the thumb, hooks the handle 9 with the other four fingers, and forcibly grips to enable the handle 9 to move upwards, and the handle 9 drives the lifting plate 4 to slide upwards through the connecting plate 8 and the pull rod 6, so that part of air above the lifting plate 4 in the adjusting box 5 is compressed, and grip strength training is completed.
Furthermore, the bottom of the adjusting box 5 is provided with a channel communicated with the outside, so that part of air pressure in the adjusting box 5 below the lifting plate 4 is always kept stable, and grip training is not influenced.
Referring to fig. 1 and 2, a first pressure sensor 13 is fixedly installed on the top surface inside the adjusting box 5 in an embedded manner through a bolt, an exhaust port 7 is formed at one end of the top surface of the adjusting box 5, a valve is fixed on the exhaust port 7, an air inlet 16 is formed at the other end of the top surface of the adjusting box 5, a one-way valve is fixed on the air inlet 16, the air inlet 16 is fixedly connected with one end of a connecting pipe 17, the other end of the connecting pipe 17 is fixedly connected with the middle of the bottom surface of an air cylinder 19, the air cylinder 19 is fixed on the base 1 through a supporting block 18 in a welding manner, a piston 20 is slidably installed inside the air cylinder 19, the top surface of the piston 20 is fixedly connected with the bottom end of a push-pull rod 22, a push-pull plate 24 is welded at the top end of the push-pull rod 22, the push-pull rod 22 is slidably connected with the top of the, a check valve is fixed to the intake pipe 21.
Furthermore, first recess 10 has been seted up to the position that the bottom surface of connecting plate 8 corresponds gas vent 7, and second recess 15 has been seted up to the position that the bottom surface of connecting plate 8 corresponds air inlet 16, makes connecting plate 8 all not take place the contact with gas vent 7 and air inlet 16 at the lift in-process to influence the work of gas vent 7 and air inlet 16.
The pressure in the adjusting box 5 is detected through the first pressure sensor 13, so that a user can adjust the initial pressure in the adjusting box 5 conveniently, the strength of the spring-grip dumb-bells is adjusted, the lifting plate 4 cannot be in direct contact with the first pressure sensor 13 in the lifting process in an embedded fixing mode, and the detection result of the first pressure sensor 13 is prevented from being influenced; when adjusting the initial pressure in the adjusting box 5, the push-pull rod 22 is driven by the push-pull plate 24 to make the piston 20 reciprocate in the air cylinder 19 along the vertical direction, so as to continuously inject air into the adjusting box 5, thereby completing the adjustment of the initial pressure in the adjusting box 5, the operation is simple and convenient, meanwhile, compared with the mode of adjusting the grip strength by adjusting the number of the springs in the traditional technology, the traditional mode can only realize the stage adjustment of the grip strength, and often meets the condition that the stress of the grip strength is not uniform due to the nonuniform distribution of the springs, the technical scheme can randomly adjust the grip strength, the adjustment of the grip strength is more flexible, and meanwhile, the stress of the handle 9 is more uniform and reasonable.
Further, the bottom surface of the handle 9 is fixedly provided with a backing plate 12 through a bolt, the surface of the backing plate 12 is provided with a finger groove for increasing the use comfort of a user, the two ends of the top surface of the backing plate 12 and the bottom surface of the handle 9 are fixedly clamped with a second pressure sensor 14, and the grip of the user is detected through the second pressure sensor 14.
Further, the embedded display 3 that is fixed with of preceding terminal surface of chassis 2, display 3 embeds has the controller, and first pressure sensor 13 and second pressure sensor 14 are all connected with 3 electricity of display through the controller to data display that will detect is on display 3, and the person of facilitating the use makes more audio-visual judgement to the grip strength of self, improves the practicality of grip.
Referring to fig. 3 and 4, a connection manner of the handle 9 and the connecting plate 8 is further explained, vertical adjusting rods 29 are welded on bottom surfaces of two ends of the handle 9, clamping grooves 30 are formed on opposite sides of the adjusting rods 29, the adjusting rods 29 are slidably connected with the connecting plate 8, fixed blocks 27 are welded on two ends of an upper surface of the connecting plate 8, J-shaped hooks 28 are slidably mounted on the fixed blocks 27, one ends of the hooks 28 extend out of the grip frame 11 and are welded with pressing plates 25, side surfaces of the pressing plates 25 are fixedly connected with one ends of springs 26, the other ends of the springs 26 are fixedly connected with side surfaces of the fixed blocks 27, and sliding grooves for sliding of the fixed blocks 27 are formed in two side walls of the grip frame 11.
When using, pressing trip 28 and draw-in groove 30 through clamp plate 25 and breaking away from to adjust the position of handle 9, after the position control of handle 9 is accomplished, unclamping clamp plate 25, make trip 28 card fixed to the position of adjusting lever 29 in going into draw-in groove 30 under the effect of spring 26, and then fix the position of handle 9, adjust through the position to handle 9, thereby be applicable to the people of hand size difference and use the spring-grip, enlarge the application scope of spring-grip.
The use method of the grip strength adjustable spring-grip comprises the following steps:
the method comprises the following steps: the piston 20 is reciprocated inside the cylinder 19 by the push-pull plate 24 according to the initial pressure inside the adjustment tank 5 displayed on the display 3 in combination with the user's own needs, thereby injecting air into the adjustment tank 5 and adjusting the initial pressure inside the adjustment tank 5.
Step two: the pressure is applied to the pressing plate 25, the clamping hook 28 is separated from the clamping groove 30, the position of the adjusting rod 29 is adjusted, the distance between the handle 9 and the top of the power holding frame 11 is further adjusted, and the power holding frame is suitable for people with different palms and facilitates force application of users.
Step three: the user hooks the top of the grip frame 11 with the thumb, hooks the backing plate 12 at the bottom of the handle 9 with the other four fingers, and forcibly grips to finish grip training, and according to grip data displayed on the display 3, the user can more intuitively judge the grip size of the user.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a spring-grip with adjustable grip, including grip frame (11) and chassis (2) with grip frame (11) integrated into one piece, a serial communication port, the bottom integrated into one piece of chassis (2) is fixed with base (1), and the part integrated into one piece that lies in grip frame (11) on chassis (2) is fixed with regulating box (5), and the inside slidable mounting of regulating box (5) has horizontally lifter plate (4), the upper surface both ends of lifter plate (4) respectively with the bottom fixed connection of a vertical pull rod (6), the top of pull rod (6) is stretched out the bottom surface both ends fixed connection of regulating box (5) top and connecting plate (8), install handle (9) on connecting plate (8).
2. The grip strength adjustable spring-grip dumb-bells according to claim 1, wherein the bottom of the adjusting box (5) is opened with a passage communicated with the outside.
3. The grip strength adjustable spring-grip dumb-grip according to claim 1, wherein the inner top surface of the adjusting box (5) is fixedly installed with a first pressure sensor (13) by means of bolt insertion, one end of the top surface of the adjusting box (5) is opened with an exhaust port (7), a valve is fixed on the exhaust port (7), the other end of the top surface of the adjusting box (5) is opened with an air inlet (16), a one-way valve is fixed on the air inlet (16), the air inlet (16) is fixedly connected with one end of a connecting pipe (17), the other end of the connecting pipe (17) is fixedly connected with the middle of the bottom surface of the air cylinder (19), the air cylinder (19) is welded and fixed on the base (1) by means of a supporting block (18), a piston (20) is slidably installed inside the air cylinder (19), the top surface of the piston (20) is fixedly connected with the bottom end of a push-pull rod (22), the top end of the push, the push-pull rod (22) is connected with the top of the air cylinder (19) in a sliding mode, a through hole (23) used for air inflow into the air cylinder (19) is formed in the top of the air cylinder (19), an air inlet pipe (21) used for air inflow below the piston (20) is formed in the piston (20), and a one-way valve is fixed on the air inlet pipe (21).
4. The grip strength adjustable spring-grip according to claim 1 or 3, wherein the bottom surface of the connecting plate (8) is provided with a first groove (10) corresponding to the air outlet (7), and the bottom surface of the connecting plate (8) is provided with a second groove (15) corresponding to the air inlet (16).
5. The grip strength adjustable spring-grip according to claim 1, wherein a pad (12) is fixedly mounted on the bottom surface of the handle (9) through bolts, finger grooves for increasing the comfort level of a user are formed in the surface of the pad (12), and a second pressure sensor (14) is clamped and fixed at the joint of both ends of the top surface of the pad (12) and the bottom surface of the handle (9).
6. A grip strength adjustable spring-grip according to claim 1, 3 or 5, wherein a display (3) is embedded and fixed on the front end surface of the bottom frame (2), a controller is arranged in the display (3), and the first pressure sensor (13) and the second pressure sensor (14) are electrically connected with the display (3) through the controller.
7. The grip strength adjustable spring-grip according to claim 1, wherein vertical adjusting rods (29) are welded to bottom surfaces of two ends of the handle (9), clamping grooves (30) are formed in opposite sides of the adjusting rods (29), the adjusting rods (29) are slidably connected with the connecting plate (8), fixing blocks (27) are welded to two ends of an upper surface of the connecting plate (8), J-shaped clamping hooks (28) are slidably mounted on the fixing blocks (27), pressing plates (25) are welded to ends, extending out of the grip strength frame (11), of the clamping hooks (28), side surfaces of the pressing plates (25) are fixedly connected with one ends of the springs (26), the other ends of the springs (26) are fixedly connected with side surfaces of the fixing blocks (27), and sliding grooves for the fixing blocks (27) to slide are formed in two side walls of the grip strength frame (11).
8. The use method of the grip strength adjustable spring-grip comprises the following steps:
the method comprises the following steps: according to the initial pressure in the adjusting box (5) displayed on the display (3), and the requirements of a user, the piston (20) is enabled to do reciprocating motion in the air cylinder (19) through the push-pull plate (24) so as to inject air into the adjusting box (5) and further adjust the initial pressure in the adjusting box (5);
step two: the pressure is applied to the pressure plate (25), so that the clamping hook (28) is separated from the clamping groove (30), the position of the adjusting rod (29) is adjusted, the distance between the handle (9) and the top of the grip frame (11) is further adjusted, the hand-held power-assisted hand grip is suitable for people with different palms, and the force application of a user is facilitated;
step three: the user hooks the top of the grip frame (11) with the thumb, hooks the backing plate (12) at the bottom of the handle (9) with the other four fingers, holds the handle forcefully to finish grip training, and facilitates the user to judge the grip strength of the user more intuitively according to grip strength data displayed on the display (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010886274.0A CN112190885A (en) | 2020-08-28 | 2020-08-28 | Grip strength adjustable spring-grip dumb-bells and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010886274.0A CN112190885A (en) | 2020-08-28 | 2020-08-28 | Grip strength adjustable spring-grip dumb-bells and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112190885A true CN112190885A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010886274.0A Pending CN112190885A (en) | 2020-08-28 | 2020-08-28 | Grip strength adjustable spring-grip dumb-bells and use method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204671824U (en) * | 2015-03-20 | 2015-09-30 | 苏州工业职业技术学院 | A kind of Household body-building device |
| CN205832494U (en) * | 2016-06-27 | 2016-12-28 | 熊爱民 | Air pinch meter |
| CN209612132U (en) * | 2019-03-13 | 2019-11-12 | 朱伟 | A kind of spring-grip |
| CN209900557U (en) * | 2019-02-18 | 2020-01-07 | 定州利永贞电子商务有限公司 | Novel spring-grip dumb-bells |
-
2020
- 2020-08-28 CN CN202010886274.0A patent/CN112190885A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204671824U (en) * | 2015-03-20 | 2015-09-30 | 苏州工业职业技术学院 | A kind of Household body-building device |
| CN205832494U (en) * | 2016-06-27 | 2016-12-28 | 熊爱民 | Air pinch meter |
| CN209900557U (en) * | 2019-02-18 | 2020-01-07 | 定州利永贞电子商务有限公司 | Novel spring-grip dumb-bells |
| CN209612132U (en) * | 2019-03-13 | 2019-11-12 | 朱伟 | A kind of spring-grip |
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Application publication date: 20210108 |
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