TWM599676U - Dumbbell structure with adjustable weight - Google Patents

Abstract

A weight-adjustable dumbbell structure, including a receiving seat, a plurality of levers, and a grip. The grip includes a holding member with a screw rod, and two external threads with opposite rotation directions are provided on both sides of the screw rod Section, two telescopic tubes are screwed on the two externally threaded sections, so that the two telescopic tubes can be driven to be inserted into or separated from the plurality of levers by rotating the holding member, so that the plurality of levers can be It can be taken out from the storage seat or placed in the storage seat, and the purpose of adjusting the weight can be achieved by controlling the number of levers inserted into the two telescopic tubes. Therefore, the operation is relatively simple, fast and convenient.

Description

Dumbbell structure with adjustable weight

This creation is a technical field about dumbbell structure, especially a dumbbell structure with adjustable weight that can make weight adjustment simpler, faster and more convenient.

At present, there are quite a lot of dumbbell structures on the market that can adjust the weight, but their weight adjustment structures are quite complicated, so the cost is relatively high, and failures occur, and most people need considerable procedures or procedures when adjusting different weights. The movement can be adjusted to the required weight, so the operation is quite inconvenient.

In view of this, the author developed and designed this creation based on the above-mentioned problems, and in-depth ideas, and actively researched and improved trials.

The main purpose of this creation is to solve the problems of complex structure and inconvenience in operation and use of the conventional weight-adjustable dumbbell structure.

This creation provides a weight-adjustable dumbbell structure, which includes a storage seat, multiple levers and a grip. Wherein, the storage seat has two support frames and two storage grooves located outside the two support frames, and the two support frames respectively have two top blocks. The plurality of levers can be respectively placed in the two receiving grooves, each lever has a hole in the center, and the inner and outer sides of the upper edge are respectively provided with a corresponding upper groove and an upper insert, The inner and outer sides of the lower edge are respectively provided with a corresponding lower The insert block and the lower insert groove, the upper insert block and the lower insert groove and the upper insert groove and the lower insert block of two adjacent lever plates can only be embedded up and down, and cannot be separated horizontally. The handle includes a holding part, a screw, two connecting seats, two fixing pieces, two telescopic tubes, a display module, and a starting module. The holding part is provided with a cavity through which the screw The two connecting seats are rotatably connected to the two ends of the holding member. The structure of the two fixing plates is the same as the above-mentioned lever plate. The same and are respectively combined on the outer side of the two connecting seats, the two telescopic pipes can only be axially moved in the receiving groove, and the inner pipe wall has two internal threads that can be screwed with the two outer screw segments. Section, when the holding member rotates, it can be driven and retracted to be inserted into or out of the socket of the plurality of levers. The display module is arranged in the connecting seat on the left side and can be rotated and driven by the holding member Shows the number of levers inserted into the two telescopic tubes. The activation module is set in the connecting seat on the right. Normally, the grip and the two connecting seats cannot rotate relative to each other. Only when the grip is placed When the receiving seat is on, it is touched and opened by one of the two top blocks, so that the holding member can rotate relative to the two connecting seats.

The weight-adjustable dumbbell structure provided by this creation can be designed with the screw connection of the two telescopic tubes and the screw, so that the two telescopic tubes can be driven to extend and retract to insert or detach from the plurality by rotating the holding member. In the hole of the lever, and by the embedding design of the two fixed pieces and the upper and lower inserts of the plurality of levers, the upper and lower inserts, the lever is covered by the two telescopic tubes After being inserted into the jack, it cannot be detached laterally, thereby achieving the purpose of adjusting the weight. Therefore, the structure is relatively simple, and the operation and use are relatively simple, fast and convenient.

10: Storage seat

11: Support frame

110: connecting rod

111: Insert slot

112: Combined screw hole

12: Storage slot

13: top block

14: fixed insert

15: Extension

150: Extension inlay

151: extended slot

152: Through hole

16: side panel

160: Combination bolt

161: Convex Column

20: Lever

21: Jack

210: Snap Noodle

22: Upper slot

23: Upper block

24: Lower block

25: Lower slot

30: Grip

31: Grip

310: container

32: Screw

320: fixed pin

321: External thread section

33: connecting seat

330: Window hole

331: Piercing

34: fixed piece

340: fixing bolt

35: Telescopic tube

350: Internal thread section

36: display module

360: drive gear

361: Ring Gear

362: Transmission Gear

363: combination

37: positioning module

370: positioning turntable

371: Elastic convex buckle

372: positioning bolt

373: positioning hole

374: positioning card slot

375: Snap Buckle

376: positioning spring

38: Startup module

380: Card Switch

381: Compression spring

382: Shaft Tip

[Figure 1] is a three-dimensional exploded schematic diagram of this creation.

[Figure 2] is a three-dimensional enlarged schematic diagram of the grip of this creation when it is separated.

[Figure 3] is a schematic cross-sectional view of Figure 2.

[Figure 4] is a three-dimensional exploded schematic diagram of the grip of this creation.

[Figure 5] is a schematic diagram of the action of placing the grip of this creation in the storage seat.

[Fig. 6] is an enlarged schematic view of part A in Fig. 5.

[Figure 7] is a schematic diagram of the rotation of the grip of this creation by one angle.

[Figure 8] is an enlarged schematic view of the A-A section of Figure 7.

[Figure 9] is a schematic diagram of the structure of the positioning module of this creation.

[Figure 10] is a schematic diagram of the use of this creation after adding weight.

[Figure 11] is a three-dimensional exploded enlarged schematic diagram of the storage seat of this creation.

[Figure 12A] is an embodiment of the storage seat of this creation with extensions added.

[Figure 12B] is an embodiment of the storage seat of this creation without extensions.

Please refer to Figures 1 to 10, which show that the weight-adjustable dumbbell structure described in this creation includes a storage seat 10, a plurality of levers 20 and a grip 30, of which:

The receiving seat 10 has two supporting frames 11 and two receiving grooves 12 located outside the two supporting frames 11, and two top blocks 13 protruding from the two supporting frames 11 respectively. The two receiving grooves 12 are relatively far away from the two support frames 11 on the lower edges of the two inner groove walls are respectively provided with two fixed inserts 14 of isosceles triangle. The peripheral surfaces of the two fixed inserts 14 form an outer large and an inner small. Set part (such as T shape or dovetail shape).

Each of the plurality of lever plates 20 has the same weight and is arranged side by side in the two receiving slots 12, each lever plate 20 has a hole 21 in the center, and the hole wall of the socket 21 has at least One card switch surface 210. The inner and outer sides of the upper edge of each lever 20 are respectively provided with opposite It should be an isosceles triangle with an upper groove 22 and an upper insert 23. The inner and outer sides of the lower edge of each lever 20 are respectively provided with a corresponding isosceles triangle with a lower insert 24 and a lower insert. The groove 25, the upper and lower insert blocks 23, 24, and the upper and lower insert grooves 22, 25 form an embedded part (such as a T-shape or a dove-tail shape) with a large outside and a small inside. The upper insert 23 and the lower insert groove 25 of the lever 20 on the inner side can be embedded from top to bottom on the upper insert 22 and lower insert 24 of the lever 20 on the outer side. The small embedding part is designed so that the two bars 20 cannot be separated horizontally after embedding. In addition, the lower embedding grooves 25 of the two bars 20 located on the outermost side of the two receiving slots 12 can be respectively embedded in the The fixing insert 14 can thereby enable the plurality of lever pieces 20 arranged side by side and embedded in each other in the two receiving grooves 12 to be positioned without falling over.

The handle 30 includes a holding member 31, a screw 32, two connecting seats 33, two fixing pieces 34, two telescopic tubes 35, a display module 36, a positioning module 37 and an activation module 38. The holding member 31 has a containing groove 310 that penetrates the left and right sides. The screw 32 is fixed in the receiving groove 310 by a fixed pin 320 at the center, and two external thread sections 321 with opposite rotation directions (such as one left-handed and the other right-handed) are formed on both sides. The two connecting seats 33 are rotatably connected to the two ends of the holding member 31 and can be placed on the two supporting frames 11, wherein the connecting seat 33 on the left side is provided with a window hole 330 on the upper side, and the connecting seat 33 on the right The lower side of the connecting seat 33 has a through hole 331. The structure of the two fixing pieces 34 is the same as that of the above-mentioned lever piece 20, and a plurality of fixing bolts 340 are used to respectively connect them to the outer side of the two connecting seats 33. The two telescopic tubes 35 are arranged in the receiving groove 310, and the shape of the outer peripheral surface is the same as the insertion hole 21 of the lever plate 20, so that it can only move axially in the receiving groove 310, and the two telescopic tubes 35 The inner tube wall respectively has two inner threaded sections 350 screwed with the two outer threaded sections 321, so that when the holding member 31 rotates, it can be driven and stretched to be inserted into or out of the socket of the plurality of levers 20 21 in. The display module 36 is arranged in the connecting seat 33 on the left side, and can be rotated and driven by the holding member 31 to make The window hole 330 displays the number of the plurality of levers 20 inserted by the two telescopic tubes 35 for the purpose of displaying the weight. The positioning module 37 is arranged in the connecting seat 33 on the right side, and when the holding member 31 rotates at an angle relative to the two connecting seats 33, a corresponding elastic positioning effect and sound can be generated. The activation module 38 is arranged in the connecting seat 33 on the right side. Usually, the holding member 31 and the two connecting seats 33 cannot be rotated relative to each other, only when the handle 30 is placed on the receiving seat 10 Only when one of the two top blocks 13 is touched and opened, the holding member 31 can rotate relative to the two connecting seats 33.

As shown in FIGS. 4, 7 and 8, the display module 36 includes a driving gear 360, a ring gear 361 and a transmission gear 362. Wherein, the driving gear 360 is fixed or integrally arranged on the left end of the holding member 31, and two convex teeth are provided at every angle (in this embodiment, two convex teeth are provided every 90 degrees). The ring gear 361 is rotatably arranged in the connecting seat 33 on the left side, and the outer peripheral surface corresponding to the window hole 330 is ringed with a number to represent the number of the levers 20 combined on one side of the handle 30. The transmission gear 362 is rotatably coupled to the connecting seat 33 on the left side by a coupling member 363, and meshes with the driving gear 360 and the ring gear 361, respectively. When the holding member 31 rotates by an angle (90 degrees) relative to the two connecting seats 33, the driving gear 360 will link the ring gear 361 to rotate through the transmission gear 362 by an angle, so that the next outer peripheral surface of the ring gear 361 The number is displayed in the window hole 330.

As shown in FIGS. 4 and 9, the positioning module 37 includes a positioning dial 370 and an elastic protrusion 371. The positioning turntable 370 is connected to the right side of the holding member 31 by using a plurality of positioning bolts 372. The positioning turntable 370 is provided with a plurality of positioning holes 373 arranged in a ring shape, and a plurality of positioning card slots arranged in a ring shape are arranged on the periphery. 374 (In this embodiment, the number of the plurality of positioning card slots 374 is 4, and one is set every 90 degrees). The elastic protruding buckle 371 is connected to the connecting seat 33 on the right side, and includes Contains a spring buckle 375 and a positioning spring 376. The front end of the spring buckle 375 is pressed against the positioning hole 373, and the positioning spring 376 is pressed against the rear end of the spring buckle 375 to provide its elastic force, so that the positioning dial 370 can rotate When the time, the pop buckle 375 will bounce between the plurality of positioning holes 373 to generate a positioning effect and a prompt sound.

As shown in FIGS. 4 to 6, the activation module 38 includes a latching plate 380 and a compression spring 381. The catch plate 380 is pivoted in the connecting seat 33 on the right with a pin 382 in the center, so that it can swing in the connecting seat 33 on the right. One end of the catch plate 380 can follow Swing to be embedded in or out of one of the positioning slots 374 of the positioning turntable 370, and the other end is located directly above the through hole 331 for being pressed by the top block 13. One end of the compression spring 381 is pressed against the connecting seat 33 on the right side, and the other end is pressed against the upper side of the other end of the catch plate 380 to provide elastic force so that the catch plate 380 is usually embedded in one of the positioning clips 374 in the slot.

It can be seen in FIGS. 3, 5 and 6, when the handle 30 is placed on the support frame 11 of the receiving seat 10, the upper insert 23 and the lower insert groove 25 outside the two fixing pieces 34 Will be embedded from top to bottom in the upper inserting groove 22 and the lower inserting block 24 on the inner side of the two lever pieces 20 at the innermost side of the receiving groove 12 (see Figure 1), and the top block 13 on the right side passes through the right side The perforation 331 of the connecting seat 33 pushes the other end of the detent plate 380 upward and compresses the compression spring 381, and one end of the detent plate 380 will swing downward to escape from the positioning slot of the positioning dial 370 374. In this way, the holding member 31 can rotate relative to the two connecting seats 33.

It can be seen in FIG. 7 that when the holding member 31 rotates at an angle relative to the two connecting seats 33 (in this embodiment, it is set to 90 degrees), the screw 32 drives the two telescopic tubes 35 to extend axially outward Into the socket 21 of the two lever plates 20 outside the two fixing plates 34, and the display module 36 will be driven by the holding member 31 to display the number "2" in the window hole 330 to represent the Knot on one side of grip 30 There are two lever plates 20 (including a fixing plate 34 and a lever plate 20). When the holding member 31 rotates, the positioning module 37 can generate a positioning effect and a prompt sound (see FIG. 9 for cooperation).

It can be seen in FIG. 10 that when the two telescopic tubes 35 extend outward into the insertion holes 21 of the two lever pieces 20 outside the two fixing pieces 34, the user lifts the handle 30 up, and the two The lever piece 20 is lifted upward from the receiving groove 12 by the two telescopic tubes 35, and the upper insert 23 and the lower groove 25 on the outer side of the two fixing pieces 34 and the upper groove on the inner side of the two lever pieces 20 The embedding of 22 and the lower insert block 24 will restrict the lever piece 20 from being unable to move axially on the two telescopic tubes 35, and achieve the purpose of adjusting the weight of the left and right lever pieces 20 respectively. At the same time, the starting mold The other end of the catch plate 380 of the group 38 will be swayed and embedded in one of the positioning grooves 374 of the positioning turntable 370 due to the break away from the top block 13 and the elastic force of the upper compression spring 381. , So that the holding member 31 cannot rotate relative to the two connecting seats 33, so as to prevent the two telescopic tubes 35 from being driven and contracted by the holding member 31 unexpectedly. Repeating the above actions in this way can achieve the purpose of increasing weight. Similarly, when the holding member 31 is reversed, the purpose of reducing weight can be achieved.

Please refer to Figure 11, Figure 12A and Figure 12B. The two support frames 11 of the receiving seat 10 are connected by a plurality of connecting rods 110. The receiving seat 10 includes a plurality of extensions 15 and two side plates 16 . The plurality of extension members 15 can be selectively assembled on the outer side of the two support frames 11. The two side plates 16 can be screw-locked to the outside of the two support frames 11 with a plurality of coupling bolts 160 respectively. When the plurality of extension pieces 15 are combined, the plurality of coupling bolts 160 pass through the two side plates 16 and the plurality of extension pieces. 15 and screwed on the outside of the two support frames 11. The two fixed inserts 14 are arranged on the inner sides of the two side plates 16. The outer sides of the two support frames 11 are provided with a plurality of embedding grooves 111, and a plurality of coupling screw holes 112 are respectively provided in the plurality of embedding grooves 111 for screw locking of the plurality of coupling bolts 160. Each extension piece 15 has a plurality of extension studs 150 and a plurality of extension grooves 151 on the inside and outside, respectively, and the inside has There are a plurality of through holes 152 for the plurality of coupling bolts 160 to pass through, and the plurality of extension studs 150 can be inserted into the plurality of grooves 111 or the plurality of extension grooves 151 of another extension member 15. The two side plates 16 are provided with a plurality of protruding posts 161, and the plurality of extending grooves 151 of the extension member 15 can be inserted into the plurality of protruding posts 161 or the plurality of embedding posts 150 of another extension member 15. In this way, the capacity of the two receiving slots 12 can be expanded or reduced by increasing or decreasing the number of the extension pieces 15.

10: Storage seat

11: Support frame

12: Storage slot

13: top block

14: fixed insert

20: Lever

21: Jack

210: Snap Noodle

22: Upper slot

23: Upper block

24: Lower block

25: Lower slot

30: Grip

31: Grip

32: Screw

33: connecting seat

330: Window hole

34: fixed piece

35: Telescopic tube

Claims (10)

A dumbbell structure with adjustable weight, including: A storage seat with two support frames and two storage slots located outside the two support frames, the two support frames respectively have two top blocks; Plural levers can be respectively placed in the two receiving slots, each lever has a hole in the center, and the inner and outer sides of the upper edge are respectively provided with a corresponding upper groove and an upper insert, The inner and outer sides of the lower edge are respectively provided with a corresponding lower insert block and a lower insert groove. The upper insert block and lower insert groove of the two adjacent levers can only be inserted up and down. And cannot be separated horizontally; and A handle includes a holding part, a screw, two connecting seats, two fixing pieces, two telescopic tubes, a display module and a starting module. The holding part has a through-hole inside. The screw is combined in the receiving groove, and two external thread segments with opposite rotation directions are formed on both sides. The two connecting seats are rotatably connected to the two ends of the holding member. The structure of the two fixing pieces is the same as the above-mentioned lever. The plates are the same and are respectively combined on the outer sides of the two connecting seats. The two telescopic pipes are only arranged in the accommodating groove so that they can only move axially, and the inner pipe wall has two inner pipes that can be screwed with the two outer screw segments. The threaded section enables the holding member to be driven and retracted to insert or disengage from the jacks of the plurality of levers when the holding member rotates. The display module is arranged in the connecting seat on the left side and can be rotated and driven by the holding member Shows the number of levers inserted into the two telescopic tubes. The activation module is set in the connecting seat on the right. Normally, the grip and the two connecting seats cannot rotate relative to each other. Only when the grip is placed When the receiving seat is on, it is touched and opened by one of the two top blocks, so that the holding member can rotate relative to the two connecting seats. For example, the weight-adjustable dumbbell structure of claim 1, wherein the upper side of the connecting seat on the left side is provided with a window hole, the display module includes a driving gear, a ring gear and a transmission gear, and the driving gear is fixed on the holding member At the left end, two protruding teeth are arranged at every angle. The ring gear system is rotatably arranged in the connecting seat on the left side, and the outer peripheral surface is marked with a number on the window hole to represent the grip. The number of lever plates coupled on the side, the transmission gear train is rotatably coupled in the connecting seat on the left side, and can mesh with the driving gear and the ring gear respectively. For example, the weight-adjustable dumbbell structure of claim 1, further includes a positioning module, the positioning module includes a positioning turntable and an elastic buckle, the positioning turntable is combined with the right side of the holding member, the positioning turntable is provided There are a plurality of positioning holes arranged in a ring shape. The elastic buckle is combined with the connecting seat on the right side. It includes a spring buckle and a positioning spring. The front end of the spring buckle abuts against the positioning hole, and the positioning spring abuts against the The rear end of the spring buckle provides its elasticity. When the positioning dial rotates, the spring buckle will bounce between the plurality of positioning holes to generate a positioning effect and a prompt sound. For example, the weight-adjustable dumbbell structure of claim 3, in which the lower side of the connecting seat on the right side has a perforation, the periphery of the positioning turntable is provided with a plurality of positioning slots arranged in a ring shape, and the activation module includes a detent plate And a compression spring. The catch plate is pivoted in the connecting seat on the right with a pin in the center, so that it can swing in the connecting seat on the right. One end of the catch plate can follow Swing to be embedded in or out of one of the positioning slots of the positioning turntable, the other end is located directly above the perforation and can be pressed by the top block so that one end can escape from the positioning slot. The connecting seat on the right Among them, the other end abuts against the upper side of the other end of the detent plate to provide elastic force so that the detent plate is usually embedded in one of the positioning slots. For example, the weight-adjustable dumbbell structure of claim 1, wherein the two receiving grooves are relatively far away from the two inner groove walls of the two support frames on the lower edges of the two inner groove walls are respectively provided with two fixed inserts for the lower edges of the two outermost bars The embedding groove is embedded from top to bottom, and after embedding, it can only be detached upward but not horizontally. For example, the weight-adjustable dumbbell structure of claim 5, wherein the upper insert block and the upper insert groove, the lower insert block and the lower insert groove, and the lower insert groove and the fixed insert block have their peripheral surfaces formed to be mutually It is embedded and presents a large outside and small inside. For example, the weight-adjustable dumbbell structure of claim 6, wherein the upper block, the upper block, the lower block, the lower block and the fixed block are in an isosceles triangle. For example, the weight-adjustable dumbbell structure of claim 1, wherein the hole wall of the insertion hole of the plurality of lever plates has at least one locking surface, and the shape of the outer peripheral surfaces of the two telescopic tubes is the same as the insertion hole of the lever plate. For example, the weight-adjustable dumbbell structure of claim 1, wherein the two support frames of the storage seat are connected by a plurality of connecting rods, and the storage seat includes a plurality of extension parts and two side plates, and the plurality of extension parts can be Optionally assembled on the outer side of the two support frames, the two side plates can be screwed on the outer side of the two support frames or the plurality of extension parts by a plurality of coupling bolts respectively. For example, the weight-adjustable dumbbell structure of claim 9, wherein the outer sides of the two support frames are provided with a plurality of grooves, and the plurality of grooves are respectively provided with a plurality of combined screw holes for the plurality of combined bolts to be screwed, each extension The inner and outer sides of the piece are respectively provided with a plurality of extended inserts and a plurality of extended inserts, and the inner part has a through A plurality of through holes, the plurality of extending inserts can be inserted into the plurality of grooves or the plurality of extending grooves of another extension piece, the two side plates are provided with a plurality of protrusions, and the plurality of extension pieces extend The embedding groove is used for inserting and embedding the plural protruding posts or the plural embedding posts of another extension piece.

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