CN116899171A - Adjustable dumbbell - Google Patents
Adjustable dumbbell Download PDFInfo
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- CN116899171A CN116899171A CN202310905962.0A CN202310905962A CN116899171A CN 116899171 A CN116899171 A CN 116899171A CN 202310905962 A CN202310905962 A CN 202310905962A CN 116899171 A CN116899171 A CN 116899171A
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- guide
- gear
- piece
- dumbbell
- connecting rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/206—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members characterised by the driving or driven member being composed of two or more gear wheels
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
- A63B21/0726—Dumb bells, i.e. with a central bar to be held by a single hand, and with weights at the ends
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
- A63B21/075—Dumb-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
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an adjustable dumbbell, which comprises a holding rod assembly and a dumbbell piece, wherein the holding rod assembly comprises a connecting rod and a holding rod, both ends of the connecting rod are provided with hanging tools, the hanging tools are provided with hanging cavities, the holding rod is in running fit with the hanging tools, the holding rod is sleeved on the outer side of the connecting rod, both ends of the connecting rod are sleeved with guide sleeves, the guide sleeves are provided with tooth grooves, a gear transmission group meshed with the tooth grooves is arranged in the hanging tools, the end part of the holding rod is provided with a rotating part, the rotating part is provided with a meshing gear meshed with the gear transmission group, the rotating part is also fixedly provided with a gear guide plate, the gear guide plate is provided with a plurality of guide grooves, guide pieces are arranged between every two adjacent guide grooves, the guide pieces are provided with guide surfaces, and the hanging tools are provided with positioning pieces which elastically compress the gear guide plates, and have a trend of sliding towards the guide grooves on both sides of the guide surfaces when the positioning pieces are pressed on the guide surfaces. The reliable gear shifting of the adjustable dumbbell can be realized through the cooperation of the guide groove, the guide piece, the guide surface and the positioning piece on the gear guide piece, so that the dumbbell piece is prevented from falling off.
Description
Technical Field
The invention relates to the field of fitness equipment, in particular to an adjustable dumbbell.
Background
The dumbbell is an auxiliary device for weight lifting and body building exercise, is mainly used for muscle strength training, and is popular with body building exercises because of small occupied space and convenient use. Currently, the dumbbell on the market can be divided into two types of fixed weight and adjustable weight, wherein the dumbbell with adjustable weight has better applicability because the weight can be adjusted to meet the requirements of different training strengths. The dumbbell with adjustable weight mainly comprises a holding rod assembly and a counterweight assembly, wherein the counterweight assembly mainly comprises dumbbell pieces, a plurality of dumbbell piece mounting positions which are adjacently arranged are respectively arranged at two ends of the holding rod assembly, meanwhile, the holding rod assembly is provided with a telescopic rod which can be telescopic to the dumbbell piece mounting positions, the change of the dumbbell piece mounting quantity is realized through the telescopic rod, and accordingly the adjustment of the dumbbell weight is realized.
However, in the actual use process of the adjustable dumbbell, when a user rotates the holding rod to drive the telescopic rod to move, if the user does not rotate to a set gear, namely, the user is positioned between two adjacent gears, the telescopic rod is not fully inserted into the dumbbell piece at this time, and the corresponding dumbbell piece can be in a semi-engaged state. At this time, the holding rod assembly can drive the dumbbell piece to be lifted together, but the dumbbell piece is easy to shake or even separate in the lifting process. The dumbbell in this state easily causes unbalance of the weights at both ends of the holding rod, and is easy to cause injury to the user when being used by the user, especially when the dumbbell piece slips carelessly in the use process.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the adjustable dumbbell has the advantages of simple structure, reliable conversion and adjustment and convenient use.
In order to solve the technical problems, the invention is solved by the following technical scheme: the utility model provides an adjustable dumbbell, includes holding rod assembly and counter weight subassembly, the counter weight subassembly include the dumbbell piece, the holding rod assembly include connecting rod and holding rod, the both ends of connecting rod be provided with the hanger, the hanger be provided with the mount chamber that is used for carrying the dumbbell piece, the holding rod with the hanger normal running fit, the holding rod cover establish the outside of connecting rod, the connecting rod be prismatic form, the both ends movable sleeve of connecting rod be equipped with the guide sleeve that can remove to mount the intracavity, the guide sleeve be provided with the tooth's socket along its length direction, the hanger in be provided with gear drive group, gear drive group and tooth's socket mesh be used for driving the guide sleeve along the connecting rod translation, the tip of holding rod be provided with rotating part, rotating part be provided with the meshing gear that drives about with gear drive group, rotating part still be fixed with the gear guide piece, the gear guide piece be provided with a plurality of guide slots, adjacent two guide slots between be provided with the guide piece, the guide piece be provided with the guide piece along its length direction, the guide piece be provided with the guide piece in the guide piece when setting up, the guide piece has the guide piece to the location piece, the guide piece has the location piece to the location piece, the guide piece is located in the location piece when having a locating piece, the guide piece.
Furthermore, two sides of the guide piece are provided with inclined sliding surfaces, the guide surface is positioned between the two sliding surfaces, and the guide surface is an arc surface and is in smooth transition with the sliding surfaces; the positioning piece has the advantages that the reliability of the positioning piece when being matched with the in-place guide piece can be ensured by arranging the matching of the arc-shaped guide surface and the sliding surface, and the phenomenon that the gear guide piece is blocked in movement or is not rotated in place is avoided.
Furthermore, the plurality of guide grooves are uniformly distributed on the side surface of the gear guide plate in an annular shape, and the gear guide plate is detachably matched with the rotating part; the guide grooves which are uniformly distributed in the shape of a ring are arranged, so that the guide grooves can be conveniently and reliably matched with the positioning assembly along with the rotation of the rotating part. Meanwhile, the gear guide piece which is detachably arranged is convenient to maintain and install, production cost is reduced, and particularly replacement after long-time use and abrasion is convenient.
Furthermore, a plurality of positioning components corresponding to the guide grooves are arranged in the hanger, and the contact surface of the positioning piece and the gear guide piece is an arc surface; the gear guide plate has the advantages that the gear guide plate can be provided with enough driving force through the plurality of positioning assemblies, and particularly when the guide piece rotates to be aligned with the positioning piece, the gear guide plate is forced to rotate continuously, so that the positioning piece can be reliably positioned in the positioning groove.
Further, the positioning assembly comprises a positioning seat, the positioning piece is movably arranged in the positioning seat, and a pressure spring for pressing the positioning piece is further arranged in the positioning seat; the adjustable dumbbell has the advantages that the reliable compaction of the locating piece and the gear guide piece can be guaranteed through the set pressure spring, so that the gear shifting accuracy of the adjustable dumbbell is guaranteed.
Further, the guide sleeve is provided with a sliding hole matched with the connecting rod, and the guide sleeve is attached to the connecting rod; the adjustable dumbbell has the advantages that the stability of the lateral movement of the guide sleeve can be guaranteed through the sliding holes matched with the guide sleeve and the connecting rod, the circumferential rotation of the guide sleeve can be avoided, and the guarantee is provided for reliable gear shifting of the adjustable dumbbell.
Further, the gear transmission group comprises transmission teeth, the transmission teeth comprise a driving gear, a driven gear and an intermediate gear, the driven gear and the intermediate gear are coaxially and fixedly arranged, the driven gear is meshed with the meshing gear, the intermediate gear is meshed with the driving gear, and the driving gear is meshed with the tooth slot; the advantage lies in that can ensure the stability and the reliability of the removal of drive uide bushing through the gear train when rotating the holding rod through the gear train group that sets up.
Furthermore, intermediate gears are fixed on two sides of the driven gear, each intermediate gear is meshed with a corresponding driving gear, and tooth grooves meshed with the corresponding driving gears are arranged on the outer sides of the guide sleeves side by side; the guide sleeve has the advantages that the intermediate gears are arranged on two sides of the driven gear, and the driving gears and the tooth grooves are matched with the intermediate gears, so that the stability of the transverse movement of the guide sleeve is guaranteed, the phenomenon that the single driving gear drives the guide sleeve to move to cause interference and blocking due to shaking of the guide sleeve is avoided, and the stability of stress on two sides can be guaranteed through driving of the double-row driving gears.
Further, the hanger is provided with a fixing seat, the fixing seat is provided with two opposite supporting plates, the gear transmission set is rotatably arranged between the two opposite supporting plates, the fixing seat is provided with a telescopic hole, and the guide sleeve is transversely and movably arranged in the telescopic hole; the gear transmission set is supported firmly through the support plate, and meanwhile, the telescopic hole can play a role in supporting and limiting sliding of the guide sleeve, so that radial shaking is reduced.
Preferably, the invention also comprises an unlocking disc and a locking component arranged on the hanger and used for locking the holding rod, wherein the locking component comprises a locking groove and a locking block, the locking block is arranged in the locking groove in a sliding way, a locking spring used for pressing the locking block is arranged in the locking groove, the rotating part is provided with a rotation stopping groove which is clamped with the locking block, the locking disc is provided with an unlocking piece corresponding to the locking block, when the positioning piece is positioned in the guiding groove, the locking block is aligned with the rotation stopping groove, and when the hanger is placed in the unlocking disc, the unlocking piece props up the locking block to enable the locking component to be in an unlocking state; the adjustable dumbbell has the advantages that the safety of the user using the adjustable dumbbell can be guaranteed through the cooperation of the unlocking disc and the locking assembly, namely, the user can unlock the locking block only when the user places the adjustable dumbbell on the unlocking disc, and then weight adjustment is carried out.
Compared with the prior art, the invention has the following beneficial effects: reliable adjustment gear shifting of the adjustable dumbbell can be achieved through the cooperation of the guide groove, the guide piece, the guide surface and the positioning piece on the gear guide piece, namely, the holding rod is guaranteed to rotate in place when the holding rod is rotated to carry out weight adjustment, and further, the guide sleeve is guaranteed to move in place, so that the dumbbell piece can be reliably mounted on the guide sleeve, and the phenomenon that a semi-mounted state and even the dumbbell piece fall off is avoided. According to the invention, the prismatic connecting rod and the matched guide sleeve are arranged, so that the translation stability of the guide sleeve can be ensured, the influence caused by circumferential rotation of the guide sleeve is reduced, namely, the phenomenon that the gear transmission set is not matched with the tooth slot and even the mutual top teeth are blocked due to circumferential rotation of the guide sleeve is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a grip assembly according to the present invention;
FIG. 3 is a schematic view of the assembly position of the shift guide plate of the present invention;
FIG. 4 is a schematic illustration of the mating of the guide sleeve and gear train of the present invention;
FIG. 5 is a schematic view of the structure of the shift guide plate of the present invention;
FIG. 6 is a schematic view showing the cooperation of the grip, guide sleeve and connecting rod of the present invention;
FIG. 7 is a schematic view of the internal structure of the hanger of the present invention;
FIG. 8 is a schematic diagram of the mating of the meshing gears with the gear train of the present invention;
FIG. 9 is a schematic view of the structure of the gear teeth of the present invention;
FIG. 10 is a schematic view of the structure of a dumbbell sheet of this invention;
FIG. 11 is a schematic view of the structure of an unlocking disc of the present invention;
fig. 12 is a schematic view of the usage state of the present invention.
Detailed Description
The present invention is described in further detail below with reference to the accompanying drawings.
The following description is presented to enable one of ordinary skill in the art to practice the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present invention.
The adjustable dumbbell shown in the attached drawings 1-12 comprises a holding rod 1.1 assembly 1 and a counterweight component, the counterweight component comprises a dumbbell piece 9, the holding rod 1.1 assembly 1 comprises a connecting rod 3 and the holding rod 1.1, two ends of the connecting rod 3 are provided with a hanging tool 5, the hanging tool 5 is provided with a mounting cavity 5.1 for mounting the dumbbell piece 9, the holding rod 1.1 is in running fit with the hanging tool 5, the holding rod 1.1 is sleeved outside the connecting rod 3, the connecting rod 3 is prismatic, two ends of the connecting rod 3 are movably sleeved with a guide sleeve 4 which can move into the mounting cavity 5.1, the guide sleeve 4 is provided with tooth grooves 4.1 along the length direction of the guide sleeve, a gear transmission group 6 is arranged in the hanging tool 5, the gear transmission group 6 is meshed with the tooth grooves 4.1 for driving the guide sleeve 4 to translate along the connecting rod 3, the end part of the holding rod 1.1 is provided with a rotating part 1.2, the rotating part 1.2 is provided with a meshing gear 1.3 meshed with the gear transmission group 6, the rotating part 1.2 is also fixedly provided with a gear guide piece 2, the guide piece 2 is arranged on the outer side of the connecting rod 3, the guide piece 2 is provided with a guide groove 2.7, the guide piece 2 is arranged between two adjacent guide pieces 2.7.2, and the guide piece 2.7.2 is arranged in the guide piece 2.2, and the guide piece 2.7 is positioned in the positioning component is positioned towards the two sides 2.2.2.2, and the positioning component is positioned towards the positioning component, and has a positioning groove 2.7.2.7.
Through the technical scheme, the reliable adjustment gear shifting of the adjustable dumbbell can be realized, namely, the holding rod 1.1 is rotated to ensure that the holding rod 1.1 rotates in place when the weight is adjusted by rotating the holding rod 1.1, so that the guide sleeve 4 is guaranteed to move in place, the dumbbell piece 9 can be reliably mounted, the semi-mounted state is avoided, namely, the guide sleeve 4 stretches out and draws back in place but can bring up the dumbbell piece 9, and accordingly the dumbbell piece 9 falling off caused by the fact that the adjustment gear shifting is not carried out in place is avoided. According to the invention, the prismatic connecting rod 3 and the matched guide sleeve 4 are arranged, so that the translational stability of the guide sleeve 4 can be ensured, the influence caused by circumferential rotation of the guide sleeve 4 is reduced, namely the phenomenon that the gear transmission group 6 is unstably matched with the tooth slot 4.1 and even the mutual ejection and blocking occur due to the circumferential rotation of the guide sleeve 4 is avoided; meanwhile, the gear transmission group 6 is adopted to drive the guide sleeve 4 to move, so that the moving accuracy of the guide sleeve 4 can be ensured.
On the basis, in order to ensure reliable matching of the positioning piece 7.2 and the gear guide piece 2, inclined sliding surfaces 2.4 are arranged on two sides of the guiding piece 2.2, the guiding surfaces 2.3 are positioned between the two sliding surfaces 2.4, the guiding surfaces 2.3 are arc-shaped, and two edges of the guiding surfaces 2.3 are smoothly excessive with the sliding surfaces 2.4, so that smooth sliding can be ensured when the guiding surfaces 2.3 of the gear guide piece 2 move to be in a pressing state with the positioning piece 7.2, and the guide grooves of the gear guide piece 2 rotate to be at positions opposite to the positioning piece 7.2, and the phenomenon that the gear guide piece 2 moves to be blocked or cannot rotate to be in place is avoided.
It should be noted that, the plurality of guide grooves 2.1 are uniformly distributed on the side surface of the gear guide plate 2 in an annular shape, the gear guide plate 2 is detachably matched with the rotating part 1.2, and the plurality of guide grooves 2.1 which are uniformly distributed in an annular shape can be conveniently and reliably matched with the positioning component 7 along with the rotation of the rotating part 1.2. Meanwhile, the gear guide plate 2 which is detachably arranged is convenient to maintain and install, production cost is reduced, and particularly replacement after long-time use and abrasion is convenient.
In order to ensure that the gear guide plate 2 can rotate in place when rotating, a plurality of positioning assemblies 7 corresponding to the guide grooves 2.1 are arranged in the hanger 5, and the contact surface of the positioning members 7.2 and the gear guide plate 2 is a cambered surface; specifically, the positioning assembly 7 comprises a positioning seat 7.1, the positioning piece 7.2 is movably arranged in the positioning seat 7.1, and a pressure spring 7.3 for pressing the positioning piece 7.2 is also arranged in the positioning seat 7.1; the reliable compression of the positioning piece 7.2 and the gear guide piece 2 is ensured through the pressure spring 7.3, so that the gear shifting accuracy of the adjustable dumbbell is ensured. The provision of a plurality of detent assemblies 7 simultaneously provides sufficient drive force for the gear guide plate 2, particularly when the guide member 2.2 is rotated into alignment with the detent member 7.2, thereby forcing the gear guide plate 2 to continue to rotate, ensuring that the detent member 7.2 is reliably located within the detent slot.
The guide sleeve 4 is provided with the sliding hole 4.2 matched with the connecting rod 3, the guide sleeve 4 is attached to the connecting rod 3, the prismatic connecting rod 3 and the guide sleeve 4 matched with the prismatic connecting rod are arranged, so that stability in the moving process of the guide sleeve 4 can be ensured, namely, the guide sleeve 4 is limited by the prismatic edges, and circumferential rotation of the guide sleeve 4 is avoided, namely, the stability of transverse movement of the guide sleeve 4 is ensured, and meanwhile, the circumferential rotation of the guide sleeve 4 is avoided, so that guarantee is provided for reliable gear shifting of the adjustable dumbbell.
It should be noted that, the gear transmission set 6 of the present invention includes a transmission gear 6.1, the transmission gear 6.1 includes a driving gear 6.2, and a driven gear 6.11 and an intermediate gear 6.12 which are coaxially and fixedly arranged, the driven gear 6.11 is meshed with the meshing gear 1.3, the intermediate gear 6.12 is meshed with the driving gear 6.2, and the driving gear 6.2 is meshed with the tooth slot 4.1. Preferably, in order to ensure that the gear transmission group 6 can reliably drive the guide sleeve 4, interference jamming is avoided, intermediate gears 6.12 are fixed on two sides of the driven gear 6.11, corresponding driving gears 6.2 are meshed with each intermediate gear 6.12, tooth grooves 4.1 meshed with the corresponding driving gears 6.2 are arranged on the outer side of the guide sleeve 4 side by side, and when the guide sleeve 4 is driven to move by the cooperation of the two driving gears 6.2 and the corresponding tooth grooves 4.1, the guide sleeve 4 is prevented from being driven to move by the single driving gear 6.2, interference jamming phenomenon occurs due to shaking of the guide sleeve 4, namely, the stability of stress on two sides of the guide sleeve 4 can be ensured by driving the double-row driving gears 6.2. On this basis, preferably, the meshing gear 1.3 and the driven gear 6.11 are bevel gears, the axis of the meshing gear 1.3 is perpendicular to the axis of the driven gear 6.11, the axis of the meshing gear 1.3 is parallel to the axis of the guide sleeve 4, the matching of the meshing teeth in the form of the bevel gears and the driven teeth can change the transmission direction while ensuring rotation, and the reverse rotation of the gear transmission set 6 caused by the fact that the dumbbell piece 9 presses the guide sleeve 4 can be effectively avoided.
It should be noted that on the basis of the above, the hanger 5 is provided with the fixing seat 5.6, the fixing seat 5.6 is provided with two opposite supporting plates 5.7, the gear transmission set 6 is rotatably arranged between the two opposite supporting plates 5.7, the fixing seat 5.6 is provided with the telescopic holes 5.8, the guide sleeve 4 is transversely and movably arranged in the telescopic holes 5.8, the supporting plates 5.7 can firmly support the gear transmission set 6, and meanwhile, the telescopic holes 5.8 can play a supporting limiting role on the sliding of the guide sleeve 4, so that radial shaking is reduced.
In order to improve the reliability of the adjustable dumbbell in the use process and avoid accidental rotation, the adjustable dumbbell further comprises an unlocking disc 8 and a locking assembly which is arranged on the hanging tool 5 and used for locking the holding rod 1.1, the locking assembly comprises a locking groove 5.9 and a locking block 10, the locking groove 5.9 is arranged on the hanging tool 5, the locking block 10 is arranged in the locking groove 5.9 in a sliding mode, a locking spring which is used for pressing the locking block 10 is arranged in the locking groove 5.9, a rotation stopping groove 1.4 which is clamped with the locking block 10 is arranged in the rotation part 1.2, the locking disc is provided with an unlocking piece 8.1 which corresponds to the locking block 10, when the positioning piece 7.2 is arranged in the guiding groove 2.1, the locking block 10 is aligned with the rotation stopping groove 1.4, and when the hanging tool 5 is arranged in the unlocking disc 8, the unlocking piece 8.1 jacks up the locking assembly to be in an unlocking state, and at the moment, the gear 6.2 is driven to rotate through the rotation of the driving gear 6.2, and the guiding sleeve 4 is driven to translate to adjust the dumbbell. When the adjustable dumbbell is lifted from the unlocking disc 8, the unlocking piece 8.1 is separated from the locking block 10, and the locking block 10 is inserted into the rotation stopping groove 1.4 under the action of the locking spring, so that the holding rod 1.1 assembly 1 is locked, the adjustable dumbbell is prevented from accidentally rotating in the body-building use process, the use safety is improved, and the weight of the locking block 10 can be unlocked only when a user places the adjustable dumbbell on the unlocking disc 8.
It should be noted that the hanging tool 5 of the present invention is detachably provided with the fixing shell 5.2, the holding rod 1.1 movably penetrates through the fixing shell 5.2 and extends into the hanging tool 5, at this time, the rotating part 1.2 of the rotating part 1.2 at the end part of the holding rod 1.1 is rotatably arranged between the fixing shell 5.2 and the hanging tool 5, so that the holding rod 1.1 is prevented from axially traversing while ensuring reliable rotation fit. Meanwhile, the meshing gear 1.3 can be detachably fixed on the rotating part 1.2, so that the assembly is convenient, and the replacement after long-term use and abrasion is convenient.
The hanger 5 of the invention comprises two oppositely arranged assembling plates 5.3, a supporting piece 5.4 is arranged between the two assembling plates 5.3, a clamping groove 9.1 corresponding to the supporting piece 5.4 is formed in the dumbbell piece 9, a mounting hole 9.2 matched with the guide sleeve 4 is formed in the middle of the dumbbell piece 9, an auxiliary baffle bar 5.5 for separating the dumbbell piece 9 is further arranged on the supporting piece 5.4, and the accuracy of the dumbbell piece 9 inserted into the mounting cavity 5.1 can be ensured by the aid of the arranged auxiliary baffle bar 5.5. Wherein the support piece 5.4 is arranged along the length direction of the guide rod, and the guide sleeve 4 protrudes out of the side surface of the support piece 5.4, and the length of the guide sleeve 4 is larger than the width between the two assembly plates 5.3. The guide rod can be hidden into the support piece 5.4 through the support piece 5.4 along the length direction of the guide rod, so that exposure is reduced, and meanwhile, the possibility that sundries enter between the guide rod and the guide sleeve 4 is reduced, so that the use of clamping is avoided. The guide sleeve 4 protrudes out of the side surface of the supporting piece 5.4, so that the reliability of hanging the dumbbell piece 9 on the guide sleeve 4 can be ensured, and slipping is avoided.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are by way of example only and are not limiting. The objects of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been shown and described in the examples and embodiments of the invention may be modified or practiced without departing from the principles described.
Claims (10)
1. The utility model provides an adjustable dumbbell, includes holding rod assembly and counter weight subassembly, the counter weight subassembly include the dumbbell piece, the holding rod assembly include connecting rod and holding rod, the both ends of connecting rod be provided with the hanger, the hanger be provided with the mount chamber that is used for carrying the dumbbell piece, the holding rod with the hanger normal running fit, the holding rod cover establish the outside of connecting rod, its characterized in that, the connecting rod be prismatic form, the both ends movable sleeve of connecting rod be equipped with the uide bushing that can remove to the mount intracavity, the uide bushing be provided with along its length direction's tooth's socket, the hanger in be provided with the gear drive group, gear drive group and tooth's socket mesh be used for driving the uide bushing and translate along the connecting rod, the tip of holding rod be provided with the rotating part, the rotating part be provided with the meshing gear with the gear drive group mesh, the rotating part still be fixed with the gear guide piece, the gear guide piece be provided with a plurality of guide slots, adjacent guide slots between be provided with the guide piece, the guide piece have a guide piece to compress tightly the guide piece when setting up the guide piece, the guide piece has the guide piece to the location piece, the guide piece has the guide piece to the location piece.
2. The adjustable dumbbell of claim 1, wherein the guide member has inclined sliding surfaces on both sides thereof, the guide surface being located between the sliding surfaces, the guide surface being a cambered surface and being smoothly excessive with the sliding surfaces.
3. The adjustable dumbbell of claim 1, wherein a plurality of said guide grooves are annularly and uniformly distributed on the side surfaces of said shift guide pieces, and said shift guide pieces are detachably engaged with said rotating portion.
4. The adjustable dumbbell of claim 1, wherein a plurality of positioning assemblies corresponding to the guide grooves are arranged in the hanger, and the contact surface of the positioning piece and the gear guide sheet is an arc surface.
5. The adjustable dumbbell of claim 4, wherein the positioning assembly comprises a positioning seat, the positioning member is movably disposed in the positioning seat, and a compression spring for compressing the positioning member is further disposed in the positioning seat.
6. The adjustable dumbbell of claim 1, wherein the guide sleeve is provided with a sliding hole that mates with the connecting rod, and wherein the guide sleeve engages the connecting rod.
7. The adjustable dumbbell of claim 1, wherein the gear drive assembly includes drive teeth, the drive teeth including a drive gear and a driven gear and an intermediate gear coaxially and fixedly disposed, the driven gear being engaged with the engagement gear, the intermediate gear being engaged with the drive gear, the drive gear being engaged with the tooth slot.
8. The adjustable dumbbell of claim 7, wherein intermediate gears are fixed to both sides of the driven gear, each intermediate gear is meshed with a corresponding driving gear, and tooth grooves meshed with the corresponding driving gears are arranged on the outer side of the guide sleeve side by side.
9. The adjustable dumbbell of claim 7, wherein the hanger is provided with a fixing base, the fixing base is provided with two opposite supporting plates, the gear transmission set is rotatably arranged between the two opposite supporting plates, the fixing base is provided with a telescopic hole, and the guide sleeve is transversely movably arranged in the telescopic hole.
10. The adjustable dumbbell of claim 1, further comprising an unlocking disc and a locking assembly arranged on the hanger and used for locking the holding rod, wherein the locking assembly comprises a locking groove and a locking block, the locking block is slidably arranged in the locking groove, a locking spring used for pressing the locking block is arranged in the locking groove, the rotating part is provided with a rotation stopping groove which is clamped with the locking block, the locking disc is provided with an unlocking piece corresponding to the locking block, when the positioning piece is positioned in the guiding groove, the locking block is aligned with the rotation stopping groove, and when the hanger is placed in the unlocking disc, the unlocking piece jacks up the locking block to enable the locking assembly to be in an unlocking state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310905962.0A CN116899171A (en) | 2023-07-21 | 2023-07-21 | Adjustable dumbbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310905962.0A CN116899171A (en) | 2023-07-21 | 2023-07-21 | Adjustable dumbbell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116899171A true CN116899171A (en) | 2023-10-20 |
Family
ID=88364398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310905962.0A Pending CN116899171A (en) | 2023-07-21 | 2023-07-21 | Adjustable dumbbell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116899171A (en) |
-
2023
- 2023-07-21 CN CN202310905962.0A patent/CN116899171A/en active Pending
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Effective date of registration: 20231016 Address after: No. 18 Huijin Road, Luotuo Street, Zhenhai District, Ningbo City, Zhejiang Province, 315200 (Room 511, Ningbo Fulton Building, Zone C, National University Science Park, Ningbo City) Applicant after: Ningbo Tide Industrial Design Co.,Ltd. Applicant after: Zhejiang Qili Health Technology Co.,Ltd. Address before: No. 18 Huijin Road, Luotuo Street, Zhenhai District, Ningbo City, Zhejiang Province, 315000 (Room 511, Ningbo Fulton Building, Zone C, National University Science Park, Ningbo City) Applicant before: Ningbo Tide Industrial Design Co.,Ltd. |
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