TW200533400A - An adjustable dumbbell - Google Patents

An adjustable dumbbell Download PDF

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Publication number
TW200533400A
TW200533400A TW93110438A TW93110438A TW200533400A TW 200533400 A TW200533400 A TW 200533400A TW 93110438 A TW93110438 A TW 93110438A TW 93110438 A TW93110438 A TW 93110438A TW 200533400 A TW200533400 A TW 200533400A
Authority
TW
Taiwan
Prior art keywords
shifting
guide
rod
application
adjustable
Prior art date
Application number
TW93110438A
Other languages
Chinese (zh)
Other versions
TWI238730B (en
Inventor
Tsong-Dar Chern
Original Assignee
Joong Chenn Industey Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Joong Chenn Industey Co Ltd filed Critical Joong Chenn Industey Co Ltd
Priority to TW93110438A priority Critical patent/TWI238730B/en
Application granted granted Critical
Publication of TWI238730B publication Critical patent/TWI238730B/en
Publication of TW200533400A publication Critical patent/TW200533400A/en

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Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06User-manipulated weights
    • A63B21/072Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
    • A63B21/075Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle with variable weights, e.g. weight systems with weight selecting means for bar-bells or dumb-bells
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00058Mechanical means for varying the resistance
    • A63B21/00065Mechanical means for varying the resistance by increasing or reducing the number of resistance units

Abstract

This invention provides a new design of adjustable dumbbell, whose weight-plates can be added or removed easily. The dumbbell consists of a holding frame, two side plate-bodies, and a handle bar. A number of weight-plates, each of which has a center hole, are to be fastened on the outer sides of the two side plate-bodies. Two selecting devices are located on the two sides of the holding frame; each selecting device contains a rod and an adjustment mechanism. The rod has a sliding groove for position limiting and a screwed-shaped groove for axial movement guiding. The adjustment mechanism contains a dial-disk that can be turned for a certain degrees of angle by external force. The dial-disk has a constraining-piece and a movement-guide piece; the constraining-part is used to restrain the dial-disk of any lateral movement; and the movement-guide piece is inserted onto the screw-shaped axial movement-guiding groove of the rod. A position-limiting piece is placed into the sliding groove of the rod to restrain the rod of rolling movement. As the dial-disk turns, the movement-guide piece will slide along the axial movement-guiding groove of the rod so as to extend or contract the rod an appropriate length for holding a desired number of weight-plates.

Description

200533400 发明 Description of the invention (The description of the invention should state: the technical field, the prior art, the content, the embodiments, and the drawings of the invention are briefly explained.) [Technical field to which the invention belongs] The present invention relates to sports equipment, especially to a kind of sports equipment. Adjustable dumbbell. [Previous technology] According to the traditional, the dumb cymbals for users to hold and exercise with one hand are made of metal materials. Since the weight of this kind of dumbbell is fixed, when the user wants to change the broken weight, it must be purchased separately. Dumbbells of different weights are not economically beneficial. Therefore, dumbbells with adjustable weights are produced accordingly. It mainly has a grip bar. The two ends of the grip bar are threaded with a predetermined number of discs and 10 weights. However, although the aforementioned dummy can meet the needs of users by changing the number of weights, the method of repeatedly putting the weights on the two ends of the grip is still quite troublesome and insufficient for the user. convenient. 15 20 In order to solve the above-mentioned shortcomings, in the early 1990s, an operator designed an adjustable tenancy, as shown in the first figure, which is mainly tied to a n sub-bell base body G) A rectangular weighting block ( 2), and then insert it into a predetermined groove (5) on both sides of the bracket plate of the dummy body (1) through a fixed pin (3), and abut the bottom side of === :). In order to change the number of weighting blocks 固定 of the fixed plug, and then change the value of “⑴”-and raise the money for the groove (5) ^, but when the plug (3) is deformed or even breaks, Putian Or, because the bolt (3) is severely affected due to the long-term use, the weight block (2) may fall off, so it will be used in accordance with the "F test". Therefore, in the late 1990s, an adjustable type of counterweight ^ can be selected by using screw adjustment methods (5%). The dumb cymbal was born accordingly, which is mainly caused by rotating a person's page. 4 ring notes and continuation pages) Winter 200533400-

Description of the invention The IfM driving part drives a screw to drive the screw to perform a horizontal telescopic displacement. However, since the screw pitch of the conventional screw structure is generally very dense, when the operator adjusts and rotates the driving part, he often It must be adjusted for a long time, that is, the driving member needs to be rotated for multiple turns to move the screw 5 directions to the desired position to select the required weight block, and this will cause inconvenience to the operator. Therefore, in this type of adjustable dumbbell driven by a screw, a shifting mechanism is additionally installed to reduce the operator's adjustment time when rotating the driving member. However, adding this shifting mechanism will not only make the The structure of the adjustable dumbbell becomes quite complicated and its manufacturing cost10 will also increase greatly; therefore, in view of the above-mentioned lack, the creator of this case has to make a major breakthrough in the invention after continuous experiments and hard work. . [Summary of the invention] 15 The main purpose of the present invention is to provide an adjustable dumbbell, which uses the cam driving principle to achieve the number of selected weights, so that the present invention has a simplified structure and can effectively adjust the effect of load. The reason for φ is that in order to achieve the purpose of the previous disclosure, the present invention provides an adjustable dummy, 20mm, which includes: a carrier, having two plates and a grip, the grip is disposed between the two plates, It is used for holding by human hands; most of the weight blocks are respectively arranged on the outer sides of the two plates, and the weight blocks on each side are connected into a group by means of mutual buckle. Each weight block is provided with a perforation. ; Two selection devices, which are respectively arranged on both sides of the carrier, each selection device includes a lever -5- 200533400-invention description $ Sell 1 and an adjustment mechanism, wherein the lever is provided with a limit slip zone And an axis guide shifting area ', the adjustment mechanism includes a shifting member which can be rotated by an external force to rotate at an angle, and has a shift-limiting portion and a guide-shifting portion on the shifting member, the shift-limiting portion Part is used to limit the lateral displacement of the shifting part, and the guide part 5 is used to be engaged in the shaft guide area. A stopper is engaged with the limit slippage area of the rod. And to limit the axial rotation of the rod, when the shifting member rotates, the guide portion must be guided along the axis The path of the moving area performs a pushing movement on the rod, and the restriction of the limit guide area, and the effect of the lateral movement of the dial-moving member, so that the rod can be used in the perforation of the weight 10 It is a horizontal telescopic displacement for elastically selecting the number of weight blocks. [Embodiment] In order to explain the structure and characteristics of the present invention in detail, the following preferred embodiments are illustrated in conjunction with the drawings as follows, where: 15 The second diagram is a partial exploded view of a preferred embodiment of the present invention. The third diagram is a schematic diagram of a preferred embodiment of the present invention. The fourth figure is a side sectional view of the third figure. The fifth figure is a schematic diagram of the use state of a preferred embodiment of the present invention, which is used to show the state of the present invention when it is in operation. 20 The sixth figure is a side sectional view of the fifth figure. The seventh diagram is a schematic diagram of another preferred embodiment of the present invention. First, referring to the second to fourth figures, an adjustable dumbbell (10) according to the present invention is mainly composed of a carrier (11), most weight blocks (31), and two. The description is made of a continuation page selecting device (41), in which: the carrier (11) has two plates (12) (14) corresponding to each other, and four rods (15) are respectively fixed to the two plates ( 12) (14) between the four corners; the two plates (12) (14) are respectively formed by a combination of two half shells (121), (122), (141) (142), and each half shell (121) (122) (141) (142) are respectively provided with a through hole (16) (17) with a different inner diameter in the central position, and a hook is provided on the outer top of the two plates (12) (14).部 (18); —hollow grip (22) is attached to the through hole (17) of the two plates (12) (14), so that the grip (22) is located on the two plates (12) (14), and can be used for hand holding. 10 The weights (31) are respectively arranged outside the two plates (12) (14) of the carrier (11), and the weights (31) are made of metal materials, and A perforation (32) is provided on each weight block, two hook joints (34) are disposed at appropriate positions on two sides of the weight block (31), and each weight block (31) is hooked. The heights of the joints (34) are set differently, whereby the weights (31) can be connected to one another in a manner of 15 successively buckling each other, and then placed on the two plates (12) (14). Outside. The selection device (41) 'is respectively disposed on both sides of the carrier (11). The selection device (41) includes a lever member (42) and an adjustment mechanism (43), and the lever member (42) The upper system is provided with an axis guide area (421) and a limit sliding area 20 (422). The axis guide area (421) has a predetermined distance along the outer edge of the rod (42). An arc groove, the limit slip region (422) is a long axial groove with a predetermined stroke; the adjustment mechanism (43) is arranged inside the plate body (12) of the carrier (11), The adjusting mechanism (43) mainly includes a shifting member (44). The shifting member (44) 200533400 invention description, the _ page is able to perform _ angle rotation, and the shifting member (Μ ) Is provided on each of its two sides-a movement-restricting portion (441) (442), which is used to interact with the internal space of the body (12), and thereby Limit the lateral displacement of the shifting member (44), and the shifting member ㈣ is provided with a limiting portion 5 (443), and a predetermined number of positionings are sequentially arranged on the limiting portion (443). Slot (444) 'and can be used for a positioning member (4 5) It is embedded in the limiting portion (443) in a positioning groove (444) in an elastically adjustable manner, and when the positioning member (45) is inserted into the positioning groove (444), the shifting member (44) It will be affected by the latch provided by the positioning member (45) and the positioning slot (444) and cannot be turned 10 times by external force. A center hole is set on the shifting member (44). (46), and can be used for the rod (42) to pass through it, and protrude in the center hole (46) to have a guide portion (47), the guide portion (47) is A rotating movement is synchronously performed with the shifting member (44), and one end of the guide portion (47) is used to be engaged with an axial guide movement zone (421) of the lever (42), and a limit position Piece (48) is used to engage with the limit sliding area (422) of the rod member 15 (42), and is used to prevent the rod member (42) from rotating axially so that the rod member ( 42) may be limited by the limit slip zone (422), and only a lateral telescopic displacement may be performed in the stroke provided by the limit slip zone (422). When the present invention is used, as shown in the fifth and sixth figures, firstly, the 20 users first pull up the positioning member (45), and the positioning member (45) is released from the shifting member. (44) In the positioning groove (444) of the limiting portion (443), the user can smoothly dial the shifting member (44) for rotation, and at this time, the guide in the shifting member (44) The part (47) can move the rod (42) along the path of the guide member (421) along the axis of the rod (42), and because the rod (42) -8- 200533400

It is restricted by the limit piece (48) and the limit slip area (422), and the role of the shifting piece (44) and the two top stop surfaces (441) (442), forcing the lever The piece (42) can only perform a lateral displacement in the stroke provided by the limit slip area (422), and gradually extend outward into the perforation (32) of the predetermined weight (31). Then, the number of the weight blocks (3 丨) can be flexibly selected by themselves, so as to adjust the load of the dummy block (10); conversely, if it is desired to reduce the number of weight blocks (31) carried by the dummy block (10) At this time, it is only necessary to rotate the shifting member (44) in the reverse direction, and the lever (42) is then moved by the guide portion (47), and gradually retracts into the inside of the grip (22). In this way, the number of selected weights (31) is reduced. 10 15 20 Of course, it must be specially explained that an auxiliary positioning assembly (51) is additionally provided at an appropriate position on the peripheral side of the limit portion (443) of the shifting member (44). The positioning component (51) is mainly composed of a bead body (52) and an elastic member (54), and the bead body (52) of the auxiliary positioning component (51) can also be the same as that of the limiting portion (432). The positioning groove (433) performs an engaging action, so that when the shifting member (44) rotates to a predetermined angle, the effect of `` providing-assisted positioning '' is added, thereby increasing the convenience of the present invention in adjusting and using. And the present invention uses the guide (47) to move the rod (4 arc-shaped shaft guide to the moving area (421) 'so that the rod (42) has the principle of cam transmission) 'In order to smoothly make the rod (42)-lateral telescopic displacement, and by matching each of the positioning grooves on the stopper (443) of the shifting member (44) (called the spacing design), the present invention The adjustable decoration is difficult-at a fixed distance, the distance that the rod (42) extends is exactly the length required for the selection-two counterweights, thereby enabling the present invention It has the advantages of simplified structure and convenient operation, and it can also make the present invention more reliable in adjusting the load. -9- 200533400!-Description of the invention_stomach 5 10 Please continue to refer to the seventh figure in this case, which is used to . ,,, and other preferred embodiments of the present invention are different in that the shifting member (the guiding portion (47) in 47 and the limiting member (48) is designed to have The round-shaped bead structure, so that when the guide part (A?) Pushes the rod guide area (421), or the limit piece 栌 1,000 (material) in the limit slide area The horizontal displacement of (422) medium slip color inch to (42) can be smoother. In summary, the operation provided by the present invention is convenient and can adjust 1 bell, which has progress and practicality. Power administrators, so the present invention has a profound way to drive the principle of wn-material immortality through the cam rotation = to move the # pieces into a major breakthrough in age, so it is too early, even more technical obstacles , -10- 200533400-Description of invention [Selling stomach] [Schematic description] The first picture is a schematic diagram of a conventional adjustable mute. The diagram is a partial exploded view of a preferred embodiment of the present invention. The third diagram is a schematic diagram of a preferred embodiment of the present invention. 5 The fourth diagram is a side sectional view of the third diagram. The fifth diagram is a preferred embodiment of the present invention. The usage state diagram of the embodiment is used to show the state of the invention when it is in operation. The sixth diagram is a side sectional view of the fifth diagram. The seventh diagram is a diagram of another preferred embodiment of the present invention. 10 -11 -200533400 Description of the invention _ Stomach [Illustration of graphical symbols] Adjustable dumbbell (10) Carrier (11) Plate (12) (14) Half shell (121) (122) (141) (142) Rod body (15 ) Through-hole (16) (17) 5 Hook (18) Grip (22) Weight (31) Perforation (32) Hook (34) Picking device (41) Rod (42) Axis guide Area (421) Limit slide area (422) Adjusting mechanism (43) 10 Shifting piece (44) Limiting portion (441) (442) Limiting portion (443) Positioning slot (444) Positioning piece (45) Center Hole (46) Guide (47) Stopper (48) Auxiliary positioning assembly (51) Bead (52) 15 Elastic member (54)

12-

Claims (1)

  1. 200533400, patent scope 1. An adjustable dumbbell, comprising: a carrier, having two plates and a grip bar, the grip bar is arranged between the two plates for holding by human hands; Most of the weight blocks are respectively arranged on the outer sides of the two plates, and the weight blocks on each side 5 are connected into a group by means of mutual buckle. Each weight block is provided with a perforation; two selection devices, respectively Located on both sides of the carrier, each selection device includes a lever and an adjustment mechanism, wherein the lever is provided with a limit slide region and an axis guide region, and the adjustment mechanism includes a shifting element 10 can be rotated by an external force to rotate at an angle. The shifting member has a movement-restricting portion and a guide movement portion, and the movement-restricting portion is used to be locked with the carrier to limit the lateral displacement of the shifting member. The guide part is engaged with the guide area of the shaft. A stopper is engaged with the limit slippage area of the lever to restrict the axial rotation of the lever. When the shifting member rotates, the guide has to push the rod along the path of the guide zone 15 of the axis. The movement, through the limitation of the limit slip area, and the inability of the shifting member to move laterally, allows the lever to be a horizontal telescopic displacement in the perforation of the weight block to flexibly select the weight of the weight block. Quantity 0 2. According to the adjustable dummy as described in item 1 of the scope of patent application, wherein at least one hooking part is provided on each of the 20 weight blocks, whereby the weight blocks can be successively mutually The buckle is connected into a group. 3. The adjustable mute according to item 1 of the scope of patent application, wherein the shaft guide area is a groove with a predetermined arc along the outer edge of the rod, and the guide part is based on one end thereof. It is engaged in the groove of the guide area of the shaft. 0 Continued pages (Please note and use continuation pages when the patent application page is insufficient.) 13-200533400 Patent application continued page 4. Adjustable dumb as described in item 1 of the patent application scope, where this limit The position sliding area generally has a long axial groove with a predetermined stroke. The limiting member is used to correspond to the groove and engage in the groove, thereby preventing the rod from rotating axially. The rod can only perform a lateral telescopic displacement during the 5 strokes provided by the limit slip zone. 5. The adjustable dumbbell according to item 1 of the scope of the patent application, wherein the shifting member is provided inside the plate body of the carrier, and the movement limiting portion is provided on both sides of the movement member. The part is used for interlocking with the internal space of the plate body, thereby limiting the lateral displacement of the shifting member. 10 6. The adjustable dummy according to item 1 of the scope of patent application, wherein the shifting member has a limiting portion, and the outer edge of the limiting portion is provided with a predetermined number of positioning grooves in sequence. A positioning member is disposed beside the limiting portion, and the positioning member is inserted into one of the positioning grooves in an elastically adjustable manner. 7. According to the adjustable dummy as described in item 6 of the scope of patent application, an auxiliary positioning assembly is provided at an appropriate position on the peripheral side of the limit portion of the 15 shifting member, wherein the auxiliary positioning assembly is mainly composed of a The bead is composed of an elastic member, and the bead of the auxiliary positioning component can also perform a '^-^' action with the positioning groove of the limiting portion. 8. According to the adjustable dummy as described in item 1 of the scope of patent application, wherein the guide portion in the 20 shifting member may be a bead structure. 9. The adjustable dumbbell according to item 1 of the scope of patent application, wherein the limiting member of the adjusting mechanism may be a bead structure. 10. An adjustable dumbbell, comprising: a carrier, having two plates and a grip bar, the grip bar is located between the two plates -14-200533400 patent application scope ^ page body for human hands Holding; most weight blocks are respectively arranged on the outside of the two plates, and the weight blocks on each side are connected into a group by means of mutual buckle, and each weight block is provided with a perforation; The devices are respectively disposed on both sides of the carrier. Each selection device includes a lever and an adjustment mechanism, wherein the lever is provided with a limit sliding area with a long axial groove and an arc groove. The axis of the groove is guided to the shifting area. The adjusting mechanism is set in the plate body of the carrier, and the adjusting mechanism includes a shifting member, which can be rotated by an external force to rotate at an angle. It has a movement-restricting part and a guide-moving part. The movement-restricting part is used to interlock with the internal space of the plate body, thereby restricting the lateral displacement of the shifting member, and the guide part is engaged with the shaft. In the arc groove of the guide movement area, a stopper is used to slide with the stopper. The long axial grooves of the zone are engaged with each other to restrict the axial rotation of the rod, so that the rod can only perform a lateral telescopic displacement during the stroke provided by the limit slip zone 15. When the shifting member rotates, the guide must move the rod along the arc groove path of the guide zone of the axis, and the restriction is limited by the limit sliding zone, and the shifting member cannot move. The effect of the lateral displacement enables the rod to be a horizontal telescopic displacement in the perforation of the weight block, so as to elastically select the number of weight blocks. 20 11. According to the adjustable dummy as described in item 10 of the scope of patent application, wherein each weight block is provided with at least one hooking portion, whereby the weight blocks can be successively fastened to each other. Connected in a group. 12. According to the adjustable dummy as described in item 10 of the scope of patent application, wherein there is a limiting portion on the shifting member, and the outer edge of the limit portion is sequentially arranged. A number of positioning grooves, a positioning member is disposed beside the limiting portion, and the positioning member is inserted into one of the positioning grooves in an elastically adjustable manner. 13. The adjustable dumbbell according to item 12 of the scope of patent application, wherein an auxiliary positioning 5 component is provided at an appropriate position on the peripheral side of the limit portion of the shifting member, wherein the auxiliary positioning component is mainly composed of a bead And the elastic body, and the bead of the auxiliary positioning component can also engage with the positioning groove of the limiting portion. 14. According to the adjustable dummy as described in item 10 of the scope of patent application, wherein the guide part in the shifting member may be a bead structure. 10 15. According to the adjustable dummy as described in item 10 of the scope of the patent application, the limiting member of the adjusting mechanism may be a bead structure. -16-
TW93110438A 2004-04-14 2004-04-14 An adjustable dumbbell TWI238730B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW93110438A TWI238730B (en) 2004-04-14 2004-04-14 An adjustable dumbbell

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW93110438A TWI238730B (en) 2004-04-14 2004-04-14 An adjustable dumbbell
US10/928,270 US20050233873A1 (en) 2004-04-14 2004-08-30 Weight-adjustable dumbbell

Publications (2)

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TWI238730B TWI238730B (en) 2005-09-01
TW200533400A true TW200533400A (en) 2005-10-16

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TW93110438A TWI238730B (en) 2004-04-14 2004-04-14 An adjustable dumbbell

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US7771330B2 (en) * 2006-08-02 2010-08-10 Power Block Holdings, Inc. Selectorized dumbbell having shock absorbing system
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US8394004B2 (en) * 2010-06-21 2013-03-12 Powerblock Holdings, Inc. Selectorized dumbbell with selector comprising weight connecting pins carried in each end of handle
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US9375602B2 (en) * 2013-03-15 2016-06-28 Nautilus, Inc. Exercise dumbbells
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US10518123B2 (en) * 2014-06-13 2019-12-31 Nautilus, Inc. Adjustable dumbbell system
US9776032B2 (en) 2014-06-20 2017-10-03 Nautilus, Inc. Adjustable dumbbell system having a weight sensor
USD779599S1 (en) 2015-06-11 2017-02-21 Jbells, Llc Balanced dumbbell
USD769990S1 (en) 2015-06-11 2016-10-25 Jbells, Llc Spherical dumbbell
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US10010742B2 (en) * 2016-01-26 2018-07-03 Powerblock Holdings, Inc. Selectorized dumbbell with a weight selector having a continuous periphery that encloses an open interior
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US10441840B2 (en) 2016-03-18 2019-10-15 Icon Health & Fitness, Inc. Collapsible strength exercise machine
US10252109B2 (en) 2016-05-13 2019-04-09 Icon Health & Fitness, Inc. Weight platform treadmill
US10661114B2 (en) 2016-11-01 2020-05-26 Icon Health & Fitness, Inc. Body weight lift mechanism on treadmill
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US20050233873A1 (en) 2005-10-20

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