CN209865189U

CN209865189U - Arm strength exerciser

Info

Publication number: CN209865189U
Application number: CN201920572673.2U
Authority: CN
Inventors: 陆小强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2019-12-31
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses an arm strength device, which comprises a first fixing seat, a hydraulic cylinder, a piston rod, a first force arm, a second force arm, a first connecting sheet and a second connecting sheet, wherein the hydraulic cylinder is embedded in the first fixing seat, the piston rod makes piston motion in the hydraulic cylinder, one end of the first force arm is movably connected with one side of the top of the first fixing seat, one end of the second force arm is movably connected with the other side of the top of the first fixing seat, the other end of the piston rod is provided with the second fixing seat, one end of the first connecting sheet is movably connected with one side of the second fixing seat, the other end of the first connecting sheet is movably connected with the upper part of the first force arm, one end of the second connecting sheet is movably connected with the other side of the second fixing seat, and the other end of the second connecting sheet is movably connected with the upper part of the second force arm, the utility model discloses the structure is firm, and is safe in utilization, can effectively improve the body-building effect, accomodates the convenience simultaneously, satisfies the body-building demand.

Description

Arm strength exerciser

Technical Field

The utility model relates to a body-building apparatus especially relates to an arm strength device.

Background

The arm exerciser is a sports apparatus used for exercising arm muscle groups and forearm wrist flexors, and is mainly used for increasing the muscle strength of upper limbs, including the strength of pectoralis major, shoulders, elbows, wrist joints and other parts, so that the muscle of the upper limbs is developed, the arm strength is increased, and the physical quality is improved;

the prior Chinese patent publication numbers are: CN207101773U (notice date: 2018.03.16) is characterized in that: the hydraulic power device comprises a bracket, a U-shaped piece, an adjustable hydraulic rod, a hydraulic rod telescopic rod, a pair of first connecting sheets, a pair of second connecting sheets, a first screw, a first pull-down connecting sheet, a second pull-down connecting sheet, a first force arm, a second screw and a third screw; the force is permanently unchanged by mainly utilizing a hydraulic rod capable of adjusting the force; the force of the hydraulic rod is more stable and more durable than that of the spring, and meanwhile, the use stroke of the arm strength can be kept unchanged by utilizing the arm strength with the force adjusted by the hydraulic rod, so that the use effect is better than that of the spring; however, the following disadvantages still exist in this technology: 1) the distance between the hydraulic rod telescopic rod and the two power arms is too short, so that the pivot is too close, and the force experience of the arm power device is poor; 2) the whole length of the device is too long, so that the device is inconvenient to store; 3) the device has too many movably connected connection points and poor stability.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an arm strength device which aims at solving the problem mentioned in the background technology.

In order to achieve the above purpose, the present invention is realized by the following technical solution: an arm force device comprises a first fixing seat, a hydraulic cylinder, a piston rod, a first force arm, a second force arm, a first connecting piece and a second connecting piece, wherein the hydraulic cylinder is embedded in the first fixing seat, one end of the piston rod penetrates through the first fixing seat and extends into the hydraulic cylinder to be arranged, the piston rod moves in the hydraulic cylinder to form a piston, one end of the first force arm is movably connected with one side of the top of the first fixing seat and is provided with a first connecting point, one end of the second force arm is movably connected with the other side of the top of the first fixing seat and is provided with a second connecting point, the other end of the piston rod is provided with a second fixing seat, one end of the first connecting piece is movably connected with one side of the second fixing seat, and the other end of the first force arm is movably connected with the upper portion of the first force arm and is provided with a third connecting point, one end of the second connecting piece is movably connected with the other side of the second fixing seat, the other end of the second connecting piece is movably connected with the upper portion of the second force arm and is provided with a fourth connecting point, the other end of the first force arm is provided with a first handle, and the other end of the second force arm is provided with a second handle.

Furthermore, a force adjusting valve is arranged at the lower part of the hydraulic cylinder, and the hydraulic cylinder adjusts the pressure in the cylinder through the rotation of the force adjusting valve.

Further, first fixing base includes U type spare and an oval shape snap ring, just U type spare with snap ring fixed connection, the top of pneumatic cylinder pass through the screw with the inner wall fixed connection of U type spare, just the piston rod runs through the snap ring setting.

Furthermore, the handle structure further comprises a clamping block, clamping grooves are formed in the bottoms of the first handle and the second handle, buckles matched with the clamping grooves are arranged at the two ends of the clamping block, and the clamping block is detachably connected with the first handle and the second handle through the matching of the buckles and the clamping grooves.

Furthermore, the outer parts of the first handle and the second handle are both provided with anti-skid grains.

Furthermore, the lower end of the piston rod is further provided with a blocking nut for preventing the second fixing seat from popping up, and the blocking nut is in threaded connection with the end of the piston rod.

Furthermore, the first force arm and the second force are movably connected with the top of the first fixed seat through bolts.

Furthermore, one end of each of the first connecting piece and the second connecting piece is movably connected with the second fixing seat through a bolt, and the other end of each of the first connecting piece and the second connecting piece is movably connected with the upper parts of the first force arm and the second force arm through bolts respectively.

Furthermore, the distance from the first connecting point to the third connecting point is not more than one fourth of the total length of the first force arm, the distance from the second connecting point to the fourth connecting point is not more than one fourth of the total length of the second force arm, and the first connecting point and the third connecting point are respectively arranged symmetrically with the second connecting point and the fourth connecting point.

Furthermore, a limiting block is arranged below each of the third connecting point and the fourth connecting point, and the two limiting blocks are respectively used for limiting the pressing-down positions of the first connecting sheet and the second connecting sheet and are symmetrically arranged.

The utility model has the advantages that: compared with the prior art, firstly, the first force arm and the second force arm are movably connected with the top of the first fixing seat through bolts, and meanwhile, the first connecting piece and the second connecting piece are respectively connected with the end part of the piston rod and the upper parts of the first force arm and the second force arm, so that the force distance of the first force arm and the first force arm driving the piston rod to move is increased, the fulcrum is farther, and the force required for pulling the piston rod out of the hydraulic cylinder is higher under the same pressure; secondly, the first fixed seat and the hydraulic cylinder of the device are arranged in an included angle between the first force arm and the second force arm, so that the whole length is shortened and the device is convenient to store; finally, the device cancels a plurality of clamping pieces, reduces connecting points and has more stable structure.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view after the utility model is spread;

in the figure: the device comprises a first fixed seat-1, a hydraulic cylinder-2, a piston rod-3, a first force arm-4, a second force arm-5, a first connecting sheet-6, a second connecting sheet-7, a second fixed seat-8, a first handle-9, a second handle-10, a first connecting point-11, a second connecting point-12, a third connecting point-13, a fourth connecting point-14, a force adjusting valve-15, anti-skid patterns-16, a clamping block-17, a clamping groove-18, a buckle-19, a blocking nut-20, a limiting block-21, a U-shaped part-101 and a clamping ring-102.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Examples

Referring to fig. 1-2, the present invention provides an arm exerciser, the structure of which includes a first fixing base 1, a hydraulic cylinder 2, a piston rod 3, a first force arm 4, a second force arm 5, a first connecting piece 6, and a second connecting piece 7, wherein the hydraulic cylinder 2 is embedded in the first fixing base 1, one end of the piston rod 3 penetrates through the first fixing base 1 and extends into the hydraulic cylinder 2, the piston rod 3 performs a piston movement in the hydraulic cylinder 2, one end of the first force arm 4 is movably connected to one side of the top of the first fixing base 1 and is provided with a first connecting point 11, one end of the second force arm 2 is movably connected to the other side of the top of the first fixing base 1 and is provided with a second connecting point 12, the other end of the piston rod 3 is provided with a second fixing base 8, one end of the first connecting piece 6 is movably connected to one side of the second fixing base 8, and the other end with the upper portion swing joint of first power arm 4 and be equipped with third tie point 13, the one end of second connection piece 7 with the opposite side swing joint of second fixing base 8, and the other end with the upper portion swing joint of second power arm 5 and be equipped with fourth tie point 14, the other end of first power arm 4 is equipped with first in command 9, the other end of second power arm 5 is equipped with second in command 10, the lower part of pneumatic cylinder 2 is equipped with dynamics governing valve 15, just pneumatic cylinder 2 passes through the rotation regulation cylinder internal pressure of dynamics governing valve 15.

In this embodiment, the first fixing seat 1 includes a U-shaped member 101 and an oval-shaped snap ring 102, the U-shaped member 101 is fixedly connected to the snap ring 102, the top of the hydraulic cylinder 2 is fixedly connected to the inner wall of the U-shaped member 101 through a screw, and the piston rod 3 is disposed to penetrate through the snap ring 102; one end of the hydraulic cylinder 2 is fixed in the U-shaped part 101 through a screw, and the other end of the hydraulic cylinder runs through the clamping ring 102 through the piston rod 3, so that the two ends of the hydraulic cylinder are fixed, when the piston rod 3 performs piston motion in the hydraulic cylinder 2, the position of the hydraulic cylinder 2 is not easy to loosen, and the stability of the device is improved.

In this embodiment, the handle further comprises a clamping block 17, clamping grooves 18 are formed in the bottoms of the first handle 9 and the second handle 10, two ends of the clamping block 17 are provided with clamping buckles 19 matched with the clamping grooves 18, and the clamping block 17 is detachably connected with the first handle 9 and the second handle 10 through the matching of the clamping buckles 19 and the clamping grooves 18; when the device does not use, utilize dynamics governing valve 15 to transfer 2 internal pressures of pneumatic cylinder to minimum, draw in first strength arm 4 and second strength arm 5 in the locking through fixture block 17 simultaneously, not only be convenient for accomodate, can prevent effectively moreover that non-user or child from maloperation dynamics governing valve 15, make the device bounce and open and receive the injury, improved the security.

In this embodiment, the first handle 9 and the second handle 10 are both provided with anti-skid threads 16; the first in command 9 and the second in command 10 are made by rubber, and the handle of rubber material is held and is felt splendid, when carrying out the arm strength training, the palm of the hand perspires easily, and the design of antiskid line for both hands are difficult for skidding, and not only safety has also greatly improved user experience and has felt.

In this embodiment, the distance from the first connection point 11 to the third connection point 13 is one fourth of the total length of the first force arm 4, the distance from the second connection point 12 to the fourth connection point 14 is one fourth of the total length of the second force arm 5, and the first connection point 11 and the third connection point 13 are symmetrically arranged with respect to the second connection point 12 and the fourth connection point 14, respectively; according to the lever principle, when the arm strength is trained, in the process of adjusting the pressure in the cylinder through the force adjusting valve 15, the increase and decrease of the force sense are more obvious, and the adjusting range is larger.

In this embodiment, a limiting block 21 is further disposed below each of the third connection point 13 and the fourth connection point 14, and the two limiting blocks 21 are respectively used for limiting the pressing positions of the first connection piece 13 and the second connection piece 14 and are symmetrically disposed; the limiting block 21 is a bolt, the maximum length of the piston rod 3 pulled out of the hydraulic cylinder 2 by the first connecting sheet 13 and the second connecting sheet 14 is limited by the limiting block 21, the device is protected from being damaged due to excessive force, and the service life of the device is prolonged.

During the use, at first dismantle fixture block 17 from the tip of first strength arm 4 and second strength arm 5, make pneumatic cylinder 2 be in suitable pressure through regulation power governing valve 15, at this moment, the first in command 9 and the second in command 10 are held respectively to the left and right hands, then both hands exert oneself and make first strength arm 4 and second strength arm 5 gather the disturbance inwards gradually, and in-process, first strength arm 4 and second strength arm 5 can drive first connecting piece 6 and second connecting piece 7 and pull out piston rod 3 from pneumatic cylinder 2, utilize the resistance that piston rod 3 received when doing the piston motion in pneumatic cylinder 2, reach the effect of tempering the arm strength.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an arm strength device, includes first fixing base, pneumatic cylinder, piston rod, first strength arm, second strength arm, first connection piece, second connection piece, the pneumatic cylinder embedding set up in the first fixing base, the one end of piston rod is run through first fixing base and extend into set up in the pneumatic cylinder, just the piston rod is in be piston motion, its characterized in that in the pneumatic cylinder: one end of the first force arm is movably connected with one side of the top of the first fixing seat and provided with a first connecting point, one end of the second force arm is movably connected with the other side of the top of the first fixing seat and provided with a second connecting point, the other end of the piston rod is provided with a second fixing seat, one end of the first connecting piece is movably connected with one side of the second fixing seat, the other end of the first connecting piece is movably connected with the upper portion of the first force arm and provided with a third connecting point, one end of the second connecting piece is movably connected with the other side of the second fixing seat, the other end of the second connecting piece is movably connected with the upper portion of the second force arm and provided with a fourth connecting point, the other end of the first force arm is provided with a first handle, and the other end of the second force arm is provided with a second handle.

2. An arm exerciser according to claim 1, wherein: the lower part of the hydraulic cylinder is provided with a force adjusting valve, and the hydraulic cylinder adjusts the pressure in the cylinder through the rotation of the force adjusting valve.

3. An arm exerciser according to claim 1, wherein: first fixing base includes U type spare and an oval shape snap ring, just U type spare with snap ring fixed connection, the top of pneumatic cylinder pass through the screw with the inner wall fixed connection of U type spare, just the piston rod runs through the snap ring setting.

4. An arm exerciser according to claim 1, wherein: the clamping device is characterized by further comprising a clamping block, clamping grooves are formed in the bottoms of the first handle and the second handle, buckles matched with the clamping grooves are arranged at the two ends of the clamping block, and the clamping block is detachably connected with the first handle and the second handle through the matching of the buckles and the clamping grooves.

5. An arm exerciser according to claim 1, wherein: the first handle and the second handle are both provided with anti-skid grains on the outer portions.

6. An arm exerciser according to claim 1, wherein: the lower tip of piston rod still is equipped with and is used for preventing the nut that blocks of second fixing base pop out, just block the nut with piston rod tip threaded connection.

7. An arm exerciser according to claim 1, wherein: the first force arm and the second force are movably connected with the top of the first fixed seat through bolts.

8. An arm exerciser according to claim 1, wherein: one ends of the first connecting piece and the second connecting piece are movably connected with the second fixing seat through bolts, and the other ends of the first connecting piece and the second connecting piece are movably connected with the upper portions of the first force arm and the second force arm through bolts respectively.

9. An arm exerciser according to claim 1, wherein: the distance from the first connecting point to the third connecting point is not more than one fourth of the total length of the first force arm, the distance from the second connecting point to the fourth connecting point is not more than one fourth of the total length of the second force arm, and the first connecting point and the third connecting point are respectively arranged symmetrically with the second connecting point and the fourth connecting point.

10. An arm exerciser according to claim 9, wherein: and the third connecting point and the fourth connecting point are also provided with limiting blocks below, and the limiting blocks are respectively used for limiting the pressing positions of the first connecting sheet and the second connecting sheet and are symmetrically arranged.