CN219462430U - Multifunctional adjustable weightlifting equipment - Google Patents

Abstract

The utility model provides a multifunctional adjustable weightlifting equipment, which comprises a handle; the counterweight installation assembly is used for installing a counterweight sheet; the safety lock assembly is arranged between the handle and the counterweight installation assembly, one side of the safety lock assembly is fixedly connected with the counterweight installation assembly, and the end part of the handle is detachably clamped with the safety lock assembly. The safety lock assembly is arranged between the counterweight installation assembly and the handle, so that the quick replacement of the handle is realized, the replacement process is safe, and the occurrence of falling or dumping of the counterweight sheet is avoided. In addition, the counterweight installation assembly is through setting up a plurality of pairs of hitching parts and avoiding parts that have different angles, through the hitching of rotatory different angles realization different quantity counter weights of pivot to realize weight adjustment, adjustment process is simple, convenient and very safe.

Description

Multifunctional adjustable weightlifting equipment

Technical Field

The utility model relates to the field of fitness equipment, in particular to a multifunctional adjustable weight lifting equipment.

Background

The weight lifting equipment is favored by a plurality of body-building lovers, different weight requirements are selected for the types of the weight lifting equipment in different exercise stages, the handles of different weight lifting equipment are different, for example, the lengths of the handles are different, the handles of the barbell are different from those of the bending handles, the common handles are provided with straight handles and bending handles, the weight plates at two ends are directly arranged at two sides of the handles, the weight plates are required to be sequentially taken down when being replaced, the weight lifting equipment is quite inconvenient, and the accident of smashing injury easily occurs in the replacement process. In addition, when the counter weight is adjusted, the adjusting mode of the counter weight sheet is very inconvenient, and certain potential safety hazards exist in the adjusting process due to the fact that the weight of the counter weight sheet is large.

Disclosure of Invention

The utility model aims to provide a multifunctional adjustable weight lifting device, wherein a safety lock assembly is arranged in a handle and a weight mounting assembly, the handle can be directly connected and replaced through the safety lock assembly, so that the handle can be safely and conveniently replaced, meanwhile, the weight mounting assembly is convenient to adjust the weight, and the weight can be adjusted without carrying the weight, so that the weight lifting device is convenient and safe.

In order to achieve the above object, the present utility model provides the following technical solutions:

a multifunctional adjustable weightlifting equipment comprises a handle; the counterweight installation assembly is used for installing a counterweight sheet; the safety lock assembly is arranged between the handle and the counterweight installation assembly, one side of the safety lock assembly is fixedly connected with the counterweight installation assembly, and the end part of the handle is detachably clamped with the safety lock assembly.

Further, connecting plates are fixedly connected to two ends of the handle, and when the end portion of the handle is clamped with the safety lock assembly, the connecting plates are limited in the safety lock assembly to prevent the end portion of the handle from sliding out of the safety lock assembly.

Further, the safety lock assembly comprises a first fixing plate, an open type first fixing groove is formed in the middle of the first fixing plate, and the lower end of the first fixing plate is hinged to the counterweight installation assembly; the middle position of the second fixing plate is provided with an open second fixing groove, the second fixing groove is installed opposite to the first fixing groove, and the lower end of the second fixing plate is hinged with the counterweight installation self-building limit; the first fixing groove and the second fixing groove are aligned, and the shape formed by combination is matched with the shape of the end part of the handle pipe of the handle; and the locking device is used for detachably connecting and fixing the upper end of the first fixing plate and the upper end of the second fixing plate. When the locking device locks the upper ends of the first fixing plate and the second fixing plate, the first fixing groove and the second fixing groove clamp and limit the grip pipe of the grip.

Further, the locking device comprises a fixing piece and a wrench, one end of the fixing piece is hinged with the middle position of the wrench, a first lock pin is arranged at the other end of the fixing piece, and a second lock pin is arranged at one end of the wrench; a hook is arranged on the plate surface at the upper end of the first fixing plate, and the size of the hook is matched with that of the first lock pin, so that the hook can be hung with the first lock pin; the plate surface of the upper end of the second fixing plate is provided with a mounting hole, and the second lock pin penetrates through the mounting hole to hinge the wrench with the second fixing plate. The fixing piece and the wrench form a connecting rod structure, and the first lock pin and the hook are controlled to be clamped and released by pulling the wrench.

Further, the safety lock assembly further comprises a safety lock shell, the first fixing plate and the second fixing plate are arranged in the safety lock shell, an opening is formed in the edge of the safety lock shell, and the upper ends of the first fixing plate and the second fixing plate penetrate out of the opening; the locking device further comprises a knob, the knob is provided with two side bars with obtuse angles, the knob is hinged with the wrench at the intersection point of the two side bars, the end part of the side bar at the lower end of the knob is provided with a clamping hook, correspondingly, the side wall of the safety lock shell is provided with a clamping groove matched with the clamping hook, and the wrench cannot rotate when the clamping hook is clamped with the clamping groove. The handle is further limited by the clamping connection of the handle knob and the safety lock shell, so that safety accidents caused by loosening of connection of the handle and the safety lock assembly due to shaking of the wrench in use are prevented.

Further, a torsion spring is further mounted on the knob, an abutting groove is formed in the wrench at the mounting position corresponding to the torsion spring, one end of the torsion spring abuts against the abutting groove, and the other end of the torsion spring abuts against the inner side surface of the free end of the knob. When the clamping hook is clamped with the clamping groove, the clamping hook is abutted under the elastic action of the torsion spring, so that the clamping hook and the clamping groove are kept in a clamping state, and safety accidents caused by unlocking due to false touch are prevented.

Further, the counterweight mounting assembly comprises a rotating shaft, and at least one cam mechanism is sleeved on the rotating shaft in a non-rotatable manner and used for hanging a counterweight sheet; the cam mechanism is provided with a plurality of hanging parts and avoiding parts with different angles, a notch for accommodating the rotating shaft is formed in the middle of the weight plate, a cam groove is formed in the outer side of the notch on one side surface of the weight plate, an open clamping interface is formed in the upper edge of the cam groove and used for accommodating the cam mechanism and achieving hanging between the cam mechanism and the weight plate. When the rotating shaft rotates by different angles, the corresponding cam mechanism can be connected with the weight stack in a hanging manner, so that weight adjustment of different weights can be realized.

Further, the maximum diameter width of each pair of the hitching parts of the same cam mechanism is larger than the minimum width of the card interface, and the maximum diameter width of each pair of the avoidance parts is smaller than the minimum width of the card interface.

Further, the cam mechanism comprises a bearing layer, the bearing layer is used for being hung with the weight plates, anti-abrasion layers are respectively arranged on two sides of the bearing layer, the bearing layer of the cam mechanism is separated from the weight plates by the anti-abrasion layers, and abrasion between the bearing layer and the weight plates is effectively prevented.

Further, a connecting neck is fixedly connected or integrally formed at the central position on the wear-resistant layer at one side of the bearing layer, and a polygonal connecting protrusion is arranged at the free end of the connecting neck; and the anti-wear layer on the other side of the bearing layer is provided with a connecting groove matched with the connecting protrusion in shape and size.

Further, the novel multifunctional electric bicycle further comprises a base, two ends of the base are respectively provided with a collet, and two pairs of grip storage grooves are arranged at symmetrical positions of the upper surfaces of the collet on two sides and used for supporting two ends of the grip.

Analysis shows that the multifunctional adjustable weight lifting equipment is provided with the safety lock assembly between the weight mounting assembly and the handle, so that the quick replacement of the handle is realized, the replacement process is safe, the occurrence of falling or dumping of the weight pieces is avoided, and the use is safer; the safety lock component is provided with a locking device, when the knob is pressed, the locking of the wrench can be released, and the position relationship between the first fixed plate and the second fixed plate is released through the wrench; the counterweight installation assembly realizes the hooking of different numbers of counterweight plates by arranging a plurality of pairs of hooking parts and avoiding parts with different angles and rotating the rotating shaft by different angles, thereby realizing weight adjustment, and having simple, convenient and safe adjustment process; wear-resistant layers are arranged on two sides of the cam mechanism, so that the abrasion between the cam mechanism and the weight stack can be effectively prevented; the handle storage groove is arranged above the base and is used for storing the idle handles, so that the handles are convenient to arrange and store.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Wherein:

FIG. 1 is a schematic diagram of an exploded construction of an embodiment;

FIG. 2 is an exploded view of a security lock assembly of one embodiment;

FIG. 3 is a schematic structural view of a first fixing plate according to an embodiment;

FIG. 4 is a schematic structural view of a second fixing plate according to an embodiment;

FIG. 5 is a schematic view of a locking device according to an embodiment;

FIG. 6 is a schematic diagram of an unlocked state of two fixing plates according to an embodiment;

FIG. 7 is a schematic view showing a locking state of two fixing plates according to an embodiment;

FIG. 8 is a schematic cross-sectional view of a lock assembly in a locked state according to one embodiment;

FIG. 9 is an enlarged schematic view at area A of FIG. 8;

FIG. 10 is an exploded view of an embodiment barbell;

FIG. 11 is a schematic view of a weight stack according to an embodiment;

FIG. 12 is a schematic view of an embodiment of a cam mechanism coupled to a weight plate;

FIG. 13 is a schematic view of the structure of two sides of a cam mechanism according to an embodiment;

FIG. 14 is a schematic view showing a connection state of two cam mechanisms according to an embodiment;

FIG. 15 is a schematic view showing the mounting state of the weight plate and the cam mechanism;

FIG. 16 is a schematic view of an embodiment of a curved grip and barbell assembly received in a base;

reference numerals illustrate: 1-a handle; 10-connecting plates; 11-straight grip tube; 12-bending the handle tube; 2-a counterweight mounting assembly; 21-a rotating shaft; 22-cam mechanism; 221-bearing layer; 222-an anti-wear layer; 223-bump; 224-connecting neck; 225-connecting protrusions; 226-a connection groove; 23-weight stack; 231-opening; 232-cam slot; 233-card interface; a 3-security lock assembly; 31-a first fixing plate; 311-a first mounting groove; 312-a first fixing groove; 313-a first positioning hole; 314-a first adjustment aperture; 315-a first tip; 316-hook; 32-a second fixing plate; 321-a second mounting groove; 322-a second fixing groove; 323-second positioning holes; 324-a second adjustment aperture; 325-a second tip; 326-mounting holes; 33-locking means; 331-a fixture; 332-a wrench; 333-first locking pin; 334-a second locking pin; 335-pinching; 336-torsion spring; 337-clamping hook; 338-abutment groove; 34-a front mounting plate; 35-a rear mounting plate; 36-step sleeve; 37-a safety lock housing; 371-open mouth; 372-a clamping groove; 4-a base; 41-a shoe; 411-grip storage slot.

Detailed Description

The utility model will be described in detail below with reference to the drawings in connection with embodiments. The examples are provided by way of explanation of the utility model and not limitation of the utility model. Indeed, it will be apparent to those skilled in the art that modifications and variations can be made in the present utility model without departing from the scope or spirit of the utility model. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield still a further embodiment. Accordingly, it is intended that the present utility model encompass such modifications and variations as fall within the scope of the appended claims and their equivalents.

In the description of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. refer to the orientation or positional relationship based on that shown in the drawings, merely for convenience of description of the present utility model and do not require that the present utility model must be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "coupled," "connected," and "configured" as used herein are to be construed broadly and may be, for example, fixedly connected or detachably connected; can be directly connected or indirectly connected through an intermediate component; either a wired electrical connection, a radio connection or a wireless communication signal connection, the specific meaning of which terms will be understood by those of ordinary skill in the art as the case may be.

One or more examples of the utility model are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the utility model. As used herein, the terms "first," "second," and "third," etc. are used interchangeably to distinguish one component from another and are not intended to represent the location or importance of the individual components.

As shown in fig. 1 to 14, according to an embodiment of the present utility model, there is provided a multifunctional adjustable weight lifting apparatus, which includes a grip 1 and a weight mounting assembly 2, wherein a safety lock assembly 3 is fixedly mounted on the weight mounting assembly 2, and the grip 1 is detachably connected with the safety lock assembly 3. The safety lock assembly 3 comprises a first fixing plate 31, a second fixing plate 32 and a front mounting plate 34 for mounting the first fixing plate 31 and the second fixing plate 32, wherein the lower ends of the first fixing plate 31 and the second fixing plate 32 are respectively provided with a first mounting groove 311 and a second mounting groove 321, and the first mounting groove 311 is matched with the second mounting groove 321 in size. The first mounting groove 311 of the first fixing plate 31 and the second mounting groove 321 of the second fixing plate 32 are overlapped relatively and then are respectively in limit hinge connection with the front mounting plate 34. Specifically, the first fixing plate 31 and the second fixing plate 32 are respectively provided with a first positioning hole 312 and a second positioning hole 322 at symmetrical positions on the plate surfaces, the step shaft sleeve 36 is respectively and fixedly installed at positions corresponding to the first positioning hole 312 and the second positioning hole 322 on the front mounting plate 34, and the first fixing plate 31 and the second fixing plate 32 can respectively rotate around the step shaft sleeve 36 in the first positioning hole 312 and the second positioning hole 322. In order to limit the rotation angle of the first fixing plate 31 and the second fixing plate 32, a first adjusting hole 313 and a second adjusting hole 323 are respectively provided at symmetrical positions on the plate surfaces of the first fixing plate 31 and the second fixing plate 32, the first adjusting hole 313 and the second adjusting hole 323 are in a track shape with semicircular ends, a step sleeve 36 is fixedly mounted on the front mounting plate 34 at positions corresponding to the first adjusting hole 313 and the second adjusting hole 323, as shown in fig. 6, when the first fixing plate 31 and the second fixing plate 32 rotate in the opposite directions, the upper ends of the first fixing plate 31 and the second fixing plate 32 are opened relatively outwards, the opening formed between the upper ends of the first fixing plate 31 and the second fixing plate 32 is gradually increased, and when the step sleeve 36 in the first adjusting hole 313 and the second adjusting hole 323 is respectively positioned at the innermost ends of the first adjusting hole 313 and the second adjusting hole 323, the opening is the largest. When the first and second fixing plates 31 and 32 are rotated in the approaching directions, the upper ends of the first and second fixing plates 31 and 32 are tightened relatively inward. An arc-shaped first fixing groove 314 is formed above the first mounting groove 311 on the first fixing plate 31, an arc-shaped second fixing groove 324 is formed above the second mounting groove 321 on the second fixing plate 32, when the first mounting groove 311 and the second mounting groove 321 are relatively stacked together, the first fixing groove 314 and the second fixing groove 324 form a concentric arc, the diameter of the formed arc is matched with the outer diameter of the grip pipe of the grip 1, and when the upper ends of the first fixing plate 31 and the second fixing plate 32 are relatively tightened inwards, the width of an opening formed between the upper ends of the first fixing plate 31 and the second fixing plate 32 is smaller than the outer diameter of the grip pipe, and at the moment, the grip 1 is limited between the first fixing plate 31 and the second fixing plate 32. The end of the first fixing plate 31 located in the first fixing groove 314 is provided with a first tip 315, the end of the second fixing plate 32 located in the second fixing groove 324 is provided with a second tip 325, as shown in fig. 6, when the first fixing plate 31 and the second fixing plate 32 rotate in the opposite and distant directions, the first tip 315 is higher than the arc edge of the second fixing groove 324, the second tip 325 is higher than the arc edge of the first fixing groove 314, and at this time, when the grip tube of the grip 1 is placed between the first fixing groove 314 and the second fixing groove 324, the grip 1 presses the first tip 315 and the second tip 325, so that the first fixing plate 31 and the second fixing plate 32 automatically rotate and reset. The other side face of the first fixing plate 31 and the second fixing plate 32 is also provided with a rear mounting plate 35 which is matched with the front mounting plate 34, the face of the rear mounting plate 35 is provided with a U-shaped opening, the rear mounting plate 35 is fixedly connected with a step shaft sleeve on the front mounting plate 34 through a bolt, and the first fixing plate 31 and the second fixing plate 32 are mounted between the front mounting plate 34 and the rear mounting plate 35. The other side of the rear mounting plate 35 is detachably connected with a safety lock shell 37, an opening 371 is formed in the edge of the safety lock shell 37, the upper ends of the first fixing plate 31 and the second fixing plate 32 penetrate out of the opening 371, and a U-shaped opening with the same opening position is formed in the position, corresponding to the U-shaped opening on the rear mounting plate 35, of the plate surface of the safety lock shell 37 and used for enabling the handle 1 to penetrate through. The safety lock housing 37 encloses the rear mounting plate 35, the first fixing plate 31, the second fixing plate 32, and the front mounting plate 34.

The second fixing plate 32 is hinged with a locking device 33, the locking device 33 comprises a fixing piece 331 and a wrench 332, one end of the fixing piece 331 is hinged with the middle position of the wrench 332, the other end of the fixing piece 331 is provided with a first lock pin 333, one end of the wrench 332 is provided with a second lock pin 334, and the other end of the wrench 332 is a free end. Correspondingly, a mounting hole 326 is formed in the upper plate surface of the second fixing plate 32, and a second lock pin 334 passes through the mounting hole 326 to hinge a wrench 332 with the second fixing plate 32. The plate surface of the upper end of the first fixing plate 31 is provided with a hook 316, and the size of the hook 316 is matched with that of the first lock pin 333, so that the hook 316 can be hung with the first lock pin 333. As shown in fig. 7, when the first fixing plate 31 and the second fixing plate 32 rotate to the innermost side in the approaching direction, the fixing member 331 is driven by the wrench 332 to make the hook 316 and the first lock pin 333 to be engaged together, so as to fix the first fixing plate 31 and the second fixing plate 32 relatively and prevent them from rotating.

The locking device 33 further comprises a knob 335, the knob 335 has two edges with obtuse angles, the knob 335 is hinged to the wrench 332 at the intersection point of the two edges, the end of the edge at the lower end of the knob 335 is provided with a hook 337, correspondingly, the side wall of the safety lock housing 37 is provided with a clamping groove 372 matched with the hook 337, and when the hook 337 is hooked with the clamping groove 372, the knob 335 fixes the wrench 332, and the wrench 332 is not rotatable. The handle 335 is also provided with a torsion spring 336, an abutting groove 338 is arranged at the installation position of the wrench 332 corresponding to the torsion spring 336, one end of the torsion spring 336 abuts against the abutting groove 338, the other end of the torsion spring 336 abuts against the inner side surface of the free end of the handle 335, when no external force is applied to the outer side of the handle 335, the clamping hook 337 and the clamping groove 372 keep a clamping state under the elastic force of the torsion spring 336, and at the moment, the safety lock is in a locking state and can not be replaced by the handle 1; when the free end of the knob 335 is pressed downward, the hook 337 is disengaged from the engaging groove 372, and the wrench 332 can be pulled upward to connect the fixing member 331 with the first fixing plate 31, so that the safety lock is in an unlocked state, and the grip 1 can be replaced.

The handle 1 comprises a handle tube and connecting plates 10 fixedly connected to two ends of the handle tube, the connecting plates 10 are sleeved on the outer sides of the ends of the handle tube and fixedly connected, and when the handle tube is fixed between the first fixing plate 31 and the second fixing plate 32, the connecting plates 10 are accommodated between the front mounting plate 34 and the first fixing plate 31 and the second fixing plate 32, so that the handle tube is prevented from sliding out of the safety lock assembly 3. In order to meet different exercise demands, the grip tube comprises a straight grip tube 11 and a bent grip tube 12, and two ends of the straight grip tube 11 and the bent grip tube 12 are respectively and fixedly connected with a connecting plate 10. Can be quickly replaced by the safety lock assembly 3 when different handles are needed, and is convenient and safe.

The counterweight mounting assembly 2 includes a rotating shaft 21, and six cam mechanisms 22 are non-rotatably sleeved on the rotating shaft 21 and are used for hanging a counterweight plate 23. The cam mechanisms 22 of the counterweight installation assemblies 2 on two sides are symmetrically arranged, the two cam mechanisms 22 on two sides at symmetrical positions have the same shape and size, each pair of cam mechanisms 22 is provided with a plurality of hanging parts 221 and avoiding parts 222 with different angles, each pair of hanging parts 221 is symmetrically arranged by taking the center of the cam mechanism 22 as the center, each pair of avoiding parts 222 is symmetrically arranged by taking the center of the cam mechanism 22 as the center, and when the hanging parts 221 are hung with the counterweight plates 23, the counterweight plates 23 are hung on the rotating shaft 21 through the cam mechanisms 22. Each pair of cam mechanisms 22 is provided with a plurality of pairs of hooking parts 221 and avoiding parts 222 with different angles, and when the different cam mechanisms 22 are sequentially sleeved on the rotating shaft 21, the hooking of the weight plates 23 with different numbers can be realized by rotating the different angles, so that the weight adjustment is realized.

The middle of the weight plate 23 is provided with a notch 231 for the connection neck 226 to enter, one side surface of the weight plate 23 is provided with a cam groove 232 positioned outside the notch 231, and the upper edge of the cam groove 232 is provided with an open clamping interface 233 for accommodating the cam mechanism 22 and realizing the hanging connection between the cam mechanism 22 and the weight plate 23. The cam groove 232 has a partial circular structure with a cross section larger than a half circle, and the maximum diameter width of the escape portion 222 of the cam mechanism 22 is smaller than the minimum width of the engagement port 233, so that when the escape portion 222 is located at the opening of the cam groove 232, the cam mechanism 22 is lifted upward, and the weight plate 23 is released from engagement with the cam mechanism 22. The maximum radial width of each pair of hitching sections 221 of the cam mechanism 22 is larger than the minimum width of the clipping interface 233, and when the cam mechanism 22 is lifted upwards when the pair of hitching sections 221 are positioned at the clipping interface 233, the cam mechanism 22 is clipped with the weight plate 23.

When the cam mechanism 22 on the rotating shaft 21 is rotationally connected with different numbers of weight plates 23, the abrasion of the weight plates 23 and the cam mechanism 22 can be caused by the mutual friction between the cam mechanism 22 and the weight plates 23, and the phenomenon that the weight plates 23 drop due to unstable connection between the cam mechanism 22 and the weight plates 23 can be caused when the weight plates are seriously worn. In order to reduce the abrasion phenomenon, the cam mechanism 22 further comprises a bearing layer 223, wherein the bearing layer 223 is made of galvanized iron plates and is used for being hung on the weight plate 23, the two sides of the bearing layer 223 are respectively provided with an abrasion-proof layer 224, the abrasion-proof layer 224 is made of plastic materials, and the surface of the weight plate 23 is not damaged when the abrasion-proof layer 224 rubs with the weight plate 23. A connecting neck 226 is fixedly connected or integrally formed at the center position on the anti-wear layer 224 at one side of the bearing layer 223, and a polygonal connecting protrusion 227 is arranged at the free end of the connecting neck 226; the wear-resistant layer 224 on the other side of the bearing layer 223 is provided with a connecting groove 228 having a shape and size matching those of the connecting protrusion 227, and when the connecting protrusion 227 on the free end of the connecting neck 226 of one cam mechanism 22 is connected with the connecting groove 228 of the other cam mechanism 22, the connecting neck 226 separates the adjacent two cam mechanisms 22 from each other by a mounting space for mounting the weight plate 23.

The outer surface of the wear-resistant layer 224 on the side of the cam mechanism 22 having the connecting neck 226 is provided with a plurality of protruding points 225, and when the connecting neck 226 of the cam mechanism 22 enters the weight plate 23 from the notch 231, the protruding points 225 are in contact with the inside of the cam groove 232 for preventing friction between the bearing layer 223 and the weight plate 23; the bump 225 in the present embodiment is not limited to the bump structure, and may be a structure such as a convex strip, a convex ring, or the like capable of protruding the outer surface of the wear-resistant layer 224. The depth of the cam groove 232 is smaller than the sum of the thicknesses of the bearing layer 223 of the cam mechanism 22 and the wear-resistant layers 225 on both sides thereof, and when the cam mechanism 22 is positioned inside the cam groove 232, the cam mechanism 22 on the side where the bump 225 is not provided is higher than the cam groove 232, so that friction between the two weight plates 23 can be effectively prevented.

The utility model also discloses a base 4, two ends of the base 4 are respectively provided with a bottom support 41 for placing the weight piece 23, and two pairs of grip storage slots 411 are arranged at symmetrical positions of the upper surfaces of the bottom supports 41 at two sides and used for supporting two ends of the grip 1, so that the grip 1 is stored, and the switching between different grips 1 is convenient.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

1. the safety lock assembly 3 is arranged between the counterweight installation assembly 2 and the handle 1, so that the handle 1 can be replaced quickly, the replacement process is safe, the occurrence of falling or dumping of the counterweight sheet 23 is avoided, and the use is safer.

2. The safety lock assembly 3 is provided with a locking device 33 which releases the lock of the wrench 332 and releases the positional relationship between the first fixing plate 31 and the second fixing plate 32 by the wrench 332 after the knob 335 is pressed.

3. The counterweight installation assembly 2 is provided with a plurality of pairs of hitching parts and avoiding parts with different angles, and the hitching of different numbers of counterweight plates 23 is realized by rotating the rotating shaft 21 by different angles, so that the weight adjustment is realized, and the adjustment process is simple, convenient and quite safe.

4. Wear layers 224 are provided on both sides of the cam mechanism 22 to effectively prevent wear between the cam mechanism 22 and the weight plate 23.

5. The handle storage slot 411 is arranged above the base 4 and is used for storing idle handles, so that the handles are convenient to arrange and store.

Compared with the prior art, the multifunctional adjustable weight lifting equipment can safely and efficiently replace the handles, can safely and conveniently adjust the weight, effectively prevent the abrasion between the cam mechanism and the weight stack, simultaneously can simultaneously store a plurality of handles, and is convenient to use and more durable.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (11)

1. A multi-functional adjustable weightlifting equipment, its characterized in that includes:

a grip (1);

a weight mounting assembly (2) for mounting a weight plate;

the safety lock assembly (3), the safety lock assembly (3) set up in between handle (1) with counter weight installation component (2), one side of safety lock assembly (3) with counter weight installation component (2) fixed connection, the tip of handle (1) with safety lock assembly (3) detachably joint.

2. The multi-purpose adjustable weight lifting device of claim 1, wherein,

the two ends of the handle (1) are fixedly connected with connecting plates (10), and when the end part of the handle (1) is clamped with the safety lock assembly (3), the connecting plates (10) are limited in the safety lock assembly (3).

3. The multi-purpose adjustable weight lifting device of claim 2, wherein,

the safety lock assembly (3) comprises:

the balance weight installation device comprises a first fixing plate (31), wherein an open type first fixing groove (314) is formed in the middle of the first fixing plate (31), and the lower end of the first fixing plate (31) is hinged with a balance weight installation assembly (2);

the second fixing plate (32), the intermediate position of the second fixing plate (32) is provided with an open second fixing groove (324), the second fixing groove (324) is installed opposite to the first fixing groove (314), and the lower end of the second fixing plate (32) is in limit hinge joint with the counterweight installation assembly (2);

when the first fixing groove (314) is aligned with the second fixing groove (324), the shape formed by combination is matched with the shape of the end part of the handle pipe of the handle (1);

and the locking device (33) is used for detachably connecting and fixing the upper end of the first fixing plate (31) and the upper end of the second fixing plate (32).

4. A multi-purpose adjustable weight lifting device as defined in claim 3, wherein,

the locking device (33) comprises a fixing piece (331) and a wrench (332), one end of the fixing piece (331) is hinged with the middle position of the wrench (332), a first lock pin (333) is arranged at the other end of the fixing piece (331), and a second lock pin (334) is arranged at one end of the wrench (332);

a hook (316) is arranged on the plate surface at the upper end of the first fixing plate (31), and the size of the hook (316) is matched with that of the first lock pin (333), so that the hook (316) can be connected with the first lock pin (333) in a hanging mode;

the plate surface of the upper end of the second fixing plate (32) is provided with a mounting hole (326), and the second lock pin (334) sequentially penetrates through the wrench (332) and the mounting hole (326) and then articulates the wrench (332) with the second fixing plate (32).

5. The multi-purpose adjustable weight lifting device of claim 4, wherein,

the safety lock assembly (3) further comprises a safety lock shell (37), the first fixing plate (31) and the second fixing plate (32) are arranged in the safety lock shell (37), an opening (371) is formed in the edge of the safety lock shell (37), and the upper ends of the first fixing plate (31) and the second fixing plate (32) penetrate out of the opening (371);

the locking device (33) further comprises a knob (335), the knob (335) is provided with two side bars with obtuse angles, the knob (335) is hinged to the wrench (332) at the intersection point of the two side bars, the end part of the side bar at the lower end of the knob (335) is provided with a clamping hook (337), correspondingly, the side wall of the safety lock shell (37) is provided with a clamping groove (372) matched with the clamping hook (337), and the wrench (332) is not rotatable when the clamping hook (337) is clamped with the clamping groove (372).

6. The multi-purpose adjustable weight lifting device of claim 5, wherein,

the wrench is characterized in that a torsion spring (336) is further arranged on the handle (335), an abutting groove (338) is formed in the wrench (332) corresponding to the installation position of the torsion spring (336), one end of the torsion spring (336) abuts against the abutting groove (338), and the other end of the torsion spring (336) abuts against the inner side surface of the free end of the handle (335).

7. A multi-purpose adjustable weight lifting device as defined in claim 3, wherein,

the counterweight mounting assembly (2) comprises a rotating shaft (21), wherein the rotating shaft (21) is non-rotatably sleeved with at least one cam mechanism (22) for hanging a counterweight sheet (23);

cam mechanism (22) have a plurality of to hitching portion (221) and dodging portion (222) of different angles, the centre of counter weight piece (23) is provided with and is used for the holding opening (231) of pivot (21), one side surface of counter weight piece (23) is located the outside of opening (231) is provided with cam groove (232), the top edge of cam groove (232) is provided with open draw-in interface (233), is used for holding cam mechanism (22) and realizes the hitching between cam mechanism (22) and counter weight piece (23).

8. The multi-purpose adjustable weight lifting device of claim 7, wherein,

the maximum diameter width of each pair of the hanging parts (221) of the same cam mechanism (22) is larger than the minimum width of the clamping interface (233), and the maximum diameter width of each pair of the avoidance parts (222) is smaller than the minimum width of the clamping interface (233).

9. The multi-purpose adjustable weight lifting device of claim 7, wherein,

the cam mechanism (22) comprises a bearing layer (223) which is used for being connected with the weight piece (23) in a hanging mode, and anti-abrasion layers (224) are respectively arranged on two sides of the bearing layer (223).

10. The multi-purpose adjustable weight lifting device of claim 9, wherein,

a connecting neck (226) is fixedly connected or integrally formed at the center position on the anti-wear layer (224) at one side of the bearing layer (223), and a polygonal connecting protrusion (227) is arranged at the free end of the connecting neck (226); and a connecting groove (228) matched with the connecting protrusion (227) in shape and size is formed in the anti-abrasion layer (224) on the other side of the bearing layer (223).

11. A multi-purpose adjustable weight lifting device as defined in claim 3, wherein,

the novel handle is characterized by further comprising a base (4), wherein two ends of the base (4) are respectively provided with a bottom support (41), and two pairs of handle storage grooves (411) are arranged at symmetrical positions of the upper surfaces of the bottom supports (41) on two sides and are used for supporting two ends of the handle (1).