CN220385691U - Counterweight connection structure and dumbbell with adjustable weight - Google Patents
Counterweight connection structure and dumbbell with adjustable weight Download PDFInfo
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- CN220385691U CN220385691U CN202321768417.3U CN202321768417U CN220385691U CN 220385691 U CN220385691 U CN 220385691U CN 202321768417 U CN202321768417 U CN 202321768417U CN 220385691 U CN220385691 U CN 220385691U
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Abstract
The utility model provides a balance weight piece connection structure and dumbbell of adjustable weight, connection structure is used for realizing the detachable connection between two balance weight pieces, one balance weight piece is provided with the joint groove, another balance weight piece is provided with the joint portion that can imbed in the joint groove, two balance weight pieces can be operated relative rotation, make joint portion can be in locking position and release position relative joint groove rotation, when joint portion is in locking position, joint portion and joint groove cooperation restriction two balance weight pieces break away from each other, when the joint groove is in release position, two balance weight pieces can separate each other, one balance weight piece is provided with the button that can swing between locking state and release state and the elastic component that drives the button swing to locking state, be provided with the draw-in groove on another balance weight piece, locking state's button front end can imbed in the draw-in groove in order to restrict two balance weight pieces relative rotation and make joint portion keep in locking position.
Description
Technical Field
The utility model relates to a dumbbell.
Background
The Chinese patent document CN209997094U discloses a weight dumbbell, including the handle portion about the weight seat, the weight seat about be connected with at least one piece but mutual lock joint's weight piece through locking device, the weight seat corresponds about and is equipped with weight seat locating hole, be equipped with on the weight piece with weight seat locating hole complex reference column, locking device including setting up outside bellied weight piece hasp on the weight piece, hugging closely the hasp spacing groove of weight piece hasp, install the elasticity stop gear on the hasp spacing groove, be equipped with weight seat locked groove about on the weight seat, the lateral surface of weight seat locked groove be equipped with weight seat spacing portion of weight piece hasp complex and with elasticity stop gear complex weight seat notch, but above-mentioned weight dumbbell need use the locating hole to cooperate just can fix two weight pieces with the reference column, complex operation and accessory are many, the cost of manufacture is higher.
Disclosure of Invention
The utility model aims to provide a counterweight connecting structure capable of realizing quick assembly and disassembly of two counterweights.
The aim of the utility model is realized by the following technical scheme:
a counterweight connecting structure is used for realizing detachable connection between two counterweights, one counterweight is provided with a clamping groove, the other counterweight is provided with a clamping part which can be embedded in the clamping groove, the two counterweights can be operated to rotate relatively, the clamping part can rotate relatively to the clamping groove between a locking position and a releasing position, when the clamping part is in the locking position, the clamping part is matched with the clamping groove to limit the two counterweights to be separated from each other, when the clamping groove is in the releasing position, the two counterweights can be separated from each other, one counterweight is provided with a button which can swing between a locking state and the releasing state and an elastic part which drives the button to swing to the locking state, the other counterweight is provided with a clamping groove, the front end of the button in the locking state can be embedded in the clamping groove to limit the relative rotation of the two counterweights to enable the clamping part to be kept in the locking position, when the two counterweights are required to be connected together, then the two counterweights are combined to enable the clamping part to be embedded in the clamping groove, one counterweight is rotated again to enable the clamping part to rotate to the locking position, the button is released, the button can swing to the elastic part can swing to the locking state under the action of the elastic part, and the elastic part can not be embedded in the locking position.
The button is including the embedded section that is located the front end and the section of pressing that is located the rear end, but the button through be located the embedded section and press the pivot swing setting between the section on the counterweight, just so can make the button swing to release state around the pivot through pressing the section of pressing, the embedded section perk that is this moment, loosens and presses the section and can make the button swing to locking state around the pivot under the effect of elastic component, but the embedded section downward swing to the position of embedding draw-in groove this moment to the convenience is pressed the operation to the button.
The elastic piece is a spiral spring, the spiral spring is compressed between the pressing section and the counterweight piece, the spiral spring is low in cost, economical and practical, convenient to install and easy to assemble and disassemble, the compression between the counterweight piece and the pressing section can apply an elastic force to the pressing section, and the button can swing to a locking state position by taking the pivot shaft as an axis through the lever principle.
The counterweight is formed with the mounting groove that holds press the section, presses the section embedding in the mounting groove and can make button and counterweight junction comparatively smooth, increases holistic pleasing to the eye, and is difficult for pressing against the hand.
The clamping groove is formed in one end of the counterweight, the clamping portion is formed in the opposite end of the counterweight, the clamping groove formed in one end of the counterweight is used for being mutually buckled with the clamping portion of the other counterweight, and the clamping portion formed in the other end of the counterweight is used for being mutually buckled with the clamping groove of the other counterweight, so that the fixed connection between the counterweights is realized.
The button is arranged on the outer side face of one weight piece, the clamping groove is arranged on the outer side face of the other weight piece, and the button and the clamping groove are arranged on the outer side face of the corresponding weight piece, so that manual operation can be facilitated, and the embedded section of the button of one weight piece is buckled into the clamping groove of the other weight piece to connect the two weight pieces.
Two the counter weight piece is formed with the level joint face respectively, one the joint face of counter weight piece is formed with sunken joint groove, another the joint face of counter weight piece is formed with the salient joint portion, works as when joint portion embedding joint groove, two the joint face of counter weight piece is laminated each other, and the joint face of two counter weight pieces sets up to be level can make the laminating area when two joint faces are laminated each other great, and stability is stronger.
The clamping part comprises a circular switching section and a limiting section, the limiting section protrudes from the lateral side of the front end of the circular switching section, the clamping groove is provided with a notch matched with the front end profile of the clamping part and an inner cavity for the clamping part to rotate in a certain angle range, the clamping part enters the inner cavity through the notch, when the counterweight rotates to a position where the clamping groove is not opposite to the notch, the two counterweights are located at locking positions, and when the counterweight rotates to the position where the clamping groove is opposite to the notch, the two counterweights are located at releasing positions, so that connection and separation between the counterweights can be realized.
The clamping groove is formed with an internal thread, the clamping part is formed with an external thread matched with the internal thread, the external thread of one weight piece is connected with the internal thread of the other weight piece through threads, so that the two weight pieces can be stably connected, and the risk of loosening and falling of the two weight pieces caused by shaking is reduced.
The dumbbell comprises a holding rod and at least two weight pieces arranged at the end part of the holding rod, wherein the weight pieces are connected by adopting the weight piece connecting structure.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is a cross-sectional view in the direction A-A of fig. 2.
Fig. 4 is an enlarged view of a portion a of fig. 3.
Fig. 5 is an exploded view of the components of the present utility model.
Fig. 6 is an exploded view of another view of the present utility model.
Fig. 7 is an exploded view of the components of the second weight of the present utility model.
Detailed Description
For a more visual and complete understanding of the technical solution of the utility model, non-limiting features will now be described with reference to the accompanying drawings, in which:
referring to fig. 1 to 7, a dumbbell includes a grip 4 and weight components disposed at two ends of the grip 4, the weight components include a first weight 1, two second weights 2 and a third weight 3, the first weight 1 is fixedly connected with an end of the grip 4, the two second weights 2 are detachably connected, one second weight 2 is detachably connected with the first weight 1, the other second weight 2 is detachably connected with the third weight 3, the first weight 1, the second weight 2 and the third weight 3 are substantially cylindrical, the first weight 1 and the second weight 2, the two second weights 2, the second weight 2 and the third weight 3 are connected by adopting the same connection structure, and the connection structure between the first weight 1 and the second weight 2 is described in detail by taking the connection structure between the first weight 1 and the second weight 2 as an example, and the connection structure is as follows: the first weight piece 1 is provided with a clamping groove 5, the second weight piece 2 is provided with a clamping part 7 which can be embedded into the clamping groove 5 of the first weight piece 1, the clamping part 7 comprises a circular switching section 71 and a plurality of limiting sections 72 which are circumferentially arranged, the limiting sections 72 laterally protrude from the front end of the circular switching section 71, the clamping groove 5 is provided with a notch 51 which is matched with the front end outline of the clamping part 7 and an inner cavity 52 for the clamping part 7 to rotate within a certain angle range, the clamping part 7 of the second weight piece 2 is mutually buckled with the clamping groove 5 of the first weight piece 1, the fixation between the two weight pieces is realized, the first weight piece 1 and the second weight piece 2 can be operated to rotate relatively, and the clamping part 7 can rotate relatively to the clamping groove 5 between a locking position and a releasing position.
The first weight 1 is provided with the button 6 that can swing between locking state and release state and the elastic component 9 that drives the button 6 to swing to locking state, be provided with on the second weight 2 with the draw-in groove 21 of button 6 front end adaptation, the button 6 includes the embedded section 61 that is located the front end and the pressing section 62 that is located the rear end, the button 6 can swing through the pivot 63 that is located between embedded section 61 and the pressing section 62 and set up on first weight 1, pivot 63 is fixed the button 6 on first weight 1, the button 6 uses pivot 63 as the axle swing, elastic component 9 supports between the pressing section 62 of button 6 and first weight 1, apply an elasticity for the pressing section 62 of button 6, make button 6 can be in locking state at any time when not pressing, the button 6 sets up the lateral surface at first weight 1, the draw-in groove 21 sets up the lateral surface at the second weight 2, the width of draw-in groove 21 is slightly greater than button 6, can be installed in the manual work card 6 and the lateral surface of button 6 and the weight 21 setting up at the weight that belongs to can be in the lateral surface of the side of the second weight, and the elastic component can be installed in the spiral spring 1 with the spiral spring 1, the side is more convenient for the spiral spring 1, the spiral spring is easy to install between the first weight 1, the elastic component is more convenient for the spiral spring 1, the spiral spring is easy to install and the spiral spring is more convenient to install.
The clamping groove 5 is internally provided with a bulge section which is matched with the circumference of the clamping part 7, one end of the bulge section is provided with a limit bulge 53 which is matched with the limit section 72 of the clamping part 7, when the first weight 1 and the second weight 2 are required to be connected together, the button 6 is pressed to enable the button 6 to be in a release state, then the two weights are combined to enable the clamping part 7 to be embedded into the inner cavity 52 of the clamping groove 5 through the notch 51, then the second weight 2 is rotated to enable the limit section 72 of the clamping part 7 to rotate to be in a locking position when the limit bulge 53 abuts against, the button 6 is released, the button 6 can swing to a locking state under the elastic force of the elastic piece 9, at the moment, the embedded section 61 of the button 6 is embedded into the clamping groove 21 of the second weight 2, the two weights cannot rotate relatively, when the two weights rotate to a position where the clamping part 7 is not opposite to the notch 51, the two weights are in a locking position, and when the two weights rotate to a position where the clamping part 7 is opposite to the notch 51, the two weights are in a release position, so that the connection between the two weights can be realized.
The first weight 1 is formed with the mounting groove 8 that holds the pressing section 62, pressing section 62 can imbed in the mounting groove 8 and be surrounded by mounting groove 8, pressing section 62 imbeds in mounting groove 8 can make button 6 and the junction of first weight 1 comparatively smooth, increase holistic pleasing to the eye, and be difficult for pressing against the hand when rotating two weights, be formed with the spacing protruding 64 of second in the face of embedding section 61 and pressing section 62 contact with mounting groove 8, can make button 6 can keep the state parallel with the outside face of first weight 1 under the elastic force effect that elastic component 9 applyed through the spacing protruding 64 of second, be formed with the circular recess 81 of fixed elastic component 9 in mounting groove 8 bottom, the lower extreme embedding circular recess 81 of elastic component 9, the other end top is tightly in the bottom of pressing section 62.
The first weight 1 and the second weight 2 are respectively provided with a flat joint surface, when the clamping part 7 is embedded into the clamping groove 5, the joint surfaces of the two weight are mutually jointed, the joint surfaces of the two weight are arranged to be flat, so that the joint areas of the two joint surfaces are large when the joint surfaces are mutually jointed, and the stability is strong.
The first weight 1 and the second weight 2 can be connected by screw, the clamping groove 5 forms an internal thread (not shown in the figure), the clamping part 7 forms an external thread (not shown in the figure) matched with the internal thread, the external thread of the second weight 2 and the internal thread of the first weight 1 can be connected by screw, so that the two weights can be connected stably, and the risk of loosening and falling of the first weight 1 and the second weight 2 caused by shaking is reduced.
The connection structure of the third weight member 3 and the second weight member 2 is identical to that of the first weight member 1 and the second weight member 2, and not described in detail herein, one end of the third weight member 3 is detachably connected to the second weight member 2, the other end is a relatively flat plane, a guide pattern 31 for guiding the rotation direction of the third weight member 3 is formed on the plane, and an anti-slip pattern 32 for increasing friction is formed on the outer side surface of the third weight member 3.
The first counterweight 1 comprises a first counterweight main body 11, the first counterweight main body 11 and the holding rod 4 are integrally formed, the second counterweight 2 comprises a second counterweight main body 22 and a second counterweight 23 arranged inside the second counterweight main body 22, the third counterweight 3 comprises a third counterweight main body 33 and a third counterweight 34 arranged inside the third counterweight main body 33, the second counterweight 23 and the third counterweight 34 are made of metal materials, and the weight can be increased inside the second counterweight 2 and the third counterweight 3.
When the first weight 1 and the second weight 2 are connected, the pressing section 62 is pressed firstly, the push button 6 swings around the pivot shaft 63 as an axis, the embedded section 61 is tilted accordingly, at the moment, the joint surface of the second weight 2 is opposite to the joint surface of the first weight 1, the clamping part 7 is embedded into the clamping groove 5 along the notch 51, the second weight 2 is rotated, the limiting section 72 of the clamping part 7 rotates in the inner cavity 52 of the clamping groove 5, when the clamping part 7 abuts against the limiting boss 53, the clamping part 7 and the clamping groove 5 are located at a locking position, the pressing section 62 is released, the embedded section 61 is buckled into the clamping groove 21 through the elastic force of the elastic member 9, the first weight 1 and the second weight 2 are locked and fixed, the push button 6 can be kept at a position relatively parallel to the outer side surface of the first weight 1 through the second limiting boss 64, when the first weight 1 and the second weight 2 are required to be separated, the pressing section 62 is pressed, the pressing section 61 is used for embedding the pressing section 7, the clamping part 7 and the second weight 2 are reversely rotated, and the elastic member 2 are not required to be separated from the notch 51, namely, the structure is released, and the structure is not required to be connected between the two weight 2 and the first weight 2 and the elastic member 2, and the elastic member is reset, and the structure is reset, and is reset.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, i.e., the utility model is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the utility model.
Claims (10)
1. The utility model provides a counter weight spare connection structure for realize the detachable connection between two counter weight spare, its characterized in that: one weight piece is provided with a clamping groove, the other weight piece is provided with a clamping part which can be embedded into the clamping groove, the two weight pieces can be operated to rotate relatively, the clamping part can rotate relatively to the clamping groove between a locking position and a releasing position, when the clamping part is in the locking position, the clamping part is matched with the clamping groove to limit the two weight pieces to be separated from each other, when the clamping groove is in the releasing position, the two weight pieces can be separated from each other, one weight piece is provided with a button which can swing between the locking state and the releasing state and an elastic piece which drives the button to swing to the locking state, the other weight piece is provided with the clamping groove, and the front end of the button in the locking state can be embedded into the clamping groove to limit the two weight pieces to rotate relatively to enable the clamping part to be kept in the locking position.
2. A counterweight connection structure as recited in claim 1 wherein: the button comprises an embedded section positioned at the front end and a pressing section positioned at the rear end, and the button is arranged on the weight piece in a swinging way through a pivot shaft positioned between the embedded section and the pressing section.
3. A counterweight connection structure as recited in claim 2 wherein: the elastic piece is a spiral spring, and the spiral spring is compressed between the pressing section and the weight piece.
4. A counterweight connection structure as recited in claim 2 wherein: the weight is formed with a mounting groove accommodating the pressing section.
5. A counterweight connection structure according to any one of claims 1 to 4, wherein: one end of the counterweight is provided with the clamping groove, and the opposite end is provided with the clamping part.
6. A counterweight connection structure according to any one of claims 1 to 4, wherein: the button is arranged on the outer side face of one counterweight piece, and the clamping groove is arranged on the outer side face of the other counterweight piece.
7. A counterweight connection structure according to any one of claims 1 to 4, wherein: two counter weight pieces are respectively formed with a flat joint surface, one counter weight piece joint surface is formed with a concave clamping groove, the other counter weight piece joint surface is formed with a convex clamping part, and when the clamping part is embedded into the clamping groove, the joint surfaces of the two counter weight pieces are mutually attached.
8. The counterweight connection structure as recited in claim 7, wherein: the clamping part comprises a circular switching section and a limiting section, the limiting section protrudes from the front end side direction of the circular switching section, and the clamping groove is provided with a notch matched with the front end outline of the clamping part and an inner cavity for the clamping part to rotate in a certain angle range.
9. A counterweight connection structure according to any one of claims 1 to 4, wherein: the clamping groove is formed with an internal thread, and the clamping part is formed with an external thread matched with the internal thread.
10. The utility model provides an adjustable weight's dumbbell, includes holding rod and sets up at two at least weight pieces of holding rod tip, its characterized in that: a counterweight connection structure as claimed in any one of claims 1 to 8 is used for connection between two counterweights.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321768417.3U CN220385691U (en) | 2023-07-06 | 2023-07-06 | Counterweight connection structure and dumbbell with adjustable weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321768417.3U CN220385691U (en) | 2023-07-06 | 2023-07-06 | Counterweight connection structure and dumbbell with adjustable weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220385691U true CN220385691U (en) | 2024-01-26 |
Family
ID=89602872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321768417.3U Active CN220385691U (en) | 2023-07-06 | 2023-07-06 | Counterweight connection structure and dumbbell with adjustable weight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220385691U (en) |
-
2023
- 2023-07-06 CN CN202321768417.3U patent/CN220385691U/en active Active
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| GR01 | Patent grant | ||
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