CN218636567U

CN218636567U - Spring-grip dumb-bell

Info

Publication number: CN218636567U
Application number: CN202222691901.2U
Authority: CN
Inventors: 陆小强
Original assignee: Jinhua Gaodeng Sporting Goods Co ltd
Current assignee: Jinhua Gaodeng Sporting Goods Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-17
Anticipated expiration: 2032-10-12

Abstract

The utility model provides a spring-grip, includes first handle, second handle, and first handle can open and shut relatively with the second handle and rotate the connection, its characterized in that: the second handle rotates the piece including rotating and handle spare, rotates the piece and rotates with first handle and is connected, and handle spare can move the setting of adjusting on rotating the piece relatively first handle, just so can adjust the interval between handle spare and the first handle according to user's palm size, just so hold the distance to adapt to different users' exercise demand.

Description

Spring-grip dumb-bell

Technical Field

The utility model relates to a spring-grip dumb-bells.

Background

Chinese patent document CN217246562U discloses an adjustable spring-grip of dynamics, including handle and with handle swing joint's trigger, run through on the handle and seted up first connecting hole, run through on the trigger and seted up the second connecting hole, first connecting hole and second connecting hole are connected through rivet one, be connected with the spring between handle and the trigger, be provided with the dynamics regulator on the trigger, the dynamics regulator rotates to be connected in the trigger, threaded connection has the regulation cock on the dynamics regulator, be provided with the mounting between trigger and the dynamics adjusting device, the mounting includes the solid fixed ring with trigger fixed connection. The utility model discloses the rand is with dynamics regulator joint in the trigger for the gomphosis groove that sets up on the solid fixed ring is corresponding with the draw-in groove that the dynamics regulator was last, retrains gomphosis groove and draw-in groove with the fixed pin, thereby realizes the fixed to the dynamics regulator.

The grip of above-mentioned structure, although can realize the regulation of grip, can't realize holding apart from the regulation, when the user palm is less, then can't hold handle and trigger simultaneously and carry out the grip and temper or temper and experience very poorly, consequently, the grip of above-mentioned structure can't adapt to different users' demand.

Disclosure of Invention

The utility model aims at providing a spring-grip with adjustable holding distance, which aims at the defects of the prior art.

The purpose of the utility model is realized through the following technical scheme:

The handle part is movably and adjustably arranged on the rotating part through the first screw-nut pair, the screw-nut pair has a self-locking function, and after the handle part is movably adjusted, the handle part can stably stay at the adjusted position and cannot shift.

The rotating part is provided with an edge, a first sliding groove extending in the moving direction of the handle part is provided with a slidable first sliding block, the handle part is fixedly connected with the first sliding block, the first lead screw nut pair comprises a first lead screw rotatably arranged on the rotating part and a first screw hole formed on the first sliding block and in threaded fit with the first lead screw, and therefore the first sliding block can be driven to move and adjust by rotating the first lead screw, the handle part is driven to move and adjust, and the operation is very convenient.

One end of the first screw rod is provided with a first rotating and supporting part, the rotating part is provided with a first supporting hole which is matched with the first rotating and supporting part in a rotating mode, and the first rotating and supporting part is matched with the first supporting hole to enable the first screw rod to rotate smoothly and stably.

The first screw rod is provided with a first annular limiting groove at a position close to the first rotary supporting part, the rotary part is provided with a first limiting pin positioned in the first annular limiting groove, the first rotary supporting part of the first screw rod is inserted into the first supporting hole during installation, then the first limiting pin is punched to realize the installation of the first screw rod, and the assembly is convenient.

The other end of the first screw rod is provided with an operation knob which is positioned outside the rotating part, and the first screw rod can be conveniently rotated through the operation knob.

An elastic piece for driving the first handle and the second handle to open is arranged between the first handle and the second handle.

The first handle is provided with a connecting section which extends upwards from the connecting part of the rotating part, the elastic part is a spring which is connected between the connecting section and the rotating part, when in exercise, a user holds the first handle and the second handle and applies a holding force to overcome the elastic force of the spring to close the first handle and the second handle, when the exerciser loosens the first handle and the second handle, the spring can drive the first handle and the second handle to open, and the effect of exercising the holding force is achieved repeatedly.

The rotary piece is provided with a second sliding block capable of being movably adjusted, the spring is fixedly connected with the second sliding block, the second sliding block is movably and adjustably arranged on the rotary piece through a second lead screw nut pair, and the position of the second sliding block is adjusted to adjust the stretched amount of the spring, so that the exercise resistance of the spring-grip is adjusted.

The rotation piece is provided with the edge the second spout that the second slider moving direction extends, second screw-nut is vice including rotatable setting second lead screw on the rotation piece and second screw that forms on the second slider with second lead screw thread fit, the one end of second lead screw is provided with second rotation supporting part, the rotation piece is provided with the second supported hole with second rotation supporting part normal running fit, the second lead screw is formed with second annular spacing groove in the position that is close to second rotation supporting part, be provided with the second spacer pin that is located second annular spacing groove on the rotation piece, this structure can make things convenient for in the equipment of product.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Detailed Description

Referring to fig. 1 to 3, a spring-grip dumb-bells, including a first handle 1, a second handle a, the first handle 1 and the second handle a can be relatively opened and closed to rotate and be connected, the second handle a is by rotating 3 and holding a 2 component, rotate 3 and the upper end of first handle 1 and rotate and be connected, the upper end of first handle 1 is formed with two adapter plates 12 that the interval is relative, it is formed with connecting plate 31 that is located between two adapter plates 12 to rotate 3, through crossing two adapter plates 12 and the first rivet 122 of connecting plate 31 and realizing rotating 3 and the rotation connection of first handle 1, adapter plate 12 is formed with the arc convex surface, the rotation piece 3 of connecting plate 31 both sides is formed with the arc concave surface that contacts with the arc convex surface looks adaptation, through arc convex surface and the cooperation of arc concave surface realize rotating 3 smooth and rotate the rotation angle scope of restriction rotation piece 3.

The handle part 2 is movably and adjustably arranged on the rotating part 3 relative to the first handle 1, so that the distance between the handle part 2 and the first handle 1, namely the holding distance, can be adjusted according to the palm size of a user, thereby being suitable for the exercise requirements of different users, the handle part 2 is movably and adjustably arranged on the rotating part 3 through the first screw-nut pair, the screw-nut pair has a self-locking function, after the handle part 2 is moved and adjusted, the handle part 2 can stably stay at the adjusted position without displacement, the bottom of the rotating part 3 is provided with a first sliding chute 33 extending along the moving direction of the handle part 2, and the specific first sliding chute 33 penetrates through the bottom surface and the end surface of the rotating part 3, the first sliding chute 33 is internally provided with a slidable first sliding block 6, the first sliding block 6 is matched with the first sliding chute 33, the first sliding chute 33 penetrates through the end surface of the rotating part 3 to enable the first sliding block 6 to be turned into the first sliding chute 33 from the end surface of the rotating part 3, the upper end of the handle part 2 is fixedly connected with the first sliding block 6, the first lead screw nut pair comprises a first lead screw 7 which is rotatably arranged on the rotating part 3 and a first screw hole 61 which is formed on the first sliding block 6 and is in threaded fit with the first lead screw 7, so that the first sliding block 6 can be driven to move and adjust by rotating the first lead screw 7, the handle part 2 is driven to move and adjust, and the operation is very convenient; one end of the first screw 7 is provided with a first rotation supporting portion 71, the rotation member 3 is provided with a first supporting hole 34 which is rotatably matched with the first rotation supporting portion 71, and the first rotation supporting portion 71 is matched with the first supporting hole 34 to enable the first screw 7 to smoothly and stably rotate.

The first screw 7 is provided with a first annular limiting groove 72 at a position close to the first rotary supporting part 71, the rotary part 3 is provided with a first limiting pin 74 positioned in the first annular limiting groove 72, the first rotary supporting part 71 of the first screw 7 is inserted into the first supporting hole 34 during installation, then the first limiting pin 74 is punched to realize the installation of the first screw 7, the assembly is convenient, the other end of the first screw 7 is provided with an operating knob 73 positioned outside the rotary part 3, and the rotary operation of the first screw 7 can be conveniently carried out through the operating knob 73.

When the grip distance of the spring-grip is required to be adjusted, the first screw 7 is rotated by operating the knob 73 to drive the first slider 6 to move, so that the grip member 2 moves relative to the first grip 1, and the grip distance is adjusted.

The moving adjustment mode of the handle 2 can also adopt a plurality of screw holes which are formed on the rotating piece 3 and communicated with the first sliding groove 33 besides the screw-nut pair, the screw holes are arranged along the length direction of the first sliding groove 33, and the screw holes are locked and fixed through locking bolts after the first sliding block 6 is adjusted through locking bolts matched with the screw holes.

An elastic element for driving the first handle 1 and the second handle A to open is arranged between the first handle 1 and the second handle A, the upper end of the first handle 1 is provided with a connecting section 11 extending upwards in an arc shape from the connecting part with the rotating part 3, the rotating part 3 is provided with a second sliding block 4 capable of being movably adjusted, the elastic element is a spring 5 connected between the upper end of the connecting section 11 and the second sliding block 4, the second sliding block 4 is movably and adjustably arranged on the rotating part 3 through a second lead screw nut pair, the stretched amount of the spring 5 is adjusted by adjusting the position of the second sliding block 4, so that the exercise resistance of the spring-grip is adjusted, the top of the rotating part 3 is provided with a second sliding chute 32 extending along the moving direction of the second sliding block 4, the second sliding groove 32 penetrates through the top surface and the end surface of the rotating part 3, so that the second sliding block 4 can be installed in the second sliding groove 32 from the end surface of the rotating part 3, a convex block 41 protruding out of the top surface of the rotating part is formed on the second sliding block 4, a hanging hole 411 for a hook at one end of the spring 5 to penetrate through is formed in the convex block 41, one end of the spring 5 is fixedly connected with the convex block 41 of the second sliding block 4 through the hanging hole 411, the other end of the spring 5 is fixedly connected with the upper end of the connecting section 11, two side plates 13 opposite to each other at intervals are formed at the upper end of the connecting section 11, second rivets 132 penetrating through the two side plates 13 are arranged on the two side plates 13, and the other end of the spring 5 is hung on the second rivets 132 of the two side plates 13.

The second lead screw nut pair comprises a second lead screw 8 rotatably arranged on the rotating part 3 and a second screw hole 42 formed on the second sliding block 4 and in threaded fit with the second lead screw 8, the second lead screw 8 is arranged in parallel with the first lead screw 7 at intervals, the second lead screw 8 is mounted in the same way as the first lead screw 7, detailed description is omitted here, for convenience of operation, the second lead screw 8 is also provided with an operation knob 83, and the first sliding block 6 and the second sliding block 4 are both in a cubic structure so as to limit rotation in the first sliding groove 33 and the first sliding groove 32.

When the resistance of the spring-grip dumb-bell needs to be adjusted, the second screw rod 8 can be driven to rotate by rotating the operation knob 83, so that the second sliding block 4 moves and is adjusted along the second sliding groove 32, the stretching amount of the spring 5 is adjusted, and the purpose of adjusting the resistance of the spring-grip dumb-bell is achieved.

When exercising, a user holds the grip parts 2 of the first grip 1 and the second grip A and applies a gripping force to overcome the elastic force of the spring 5 to close the grip parts 2 of the first grip 1 and the second grip A, and when the exerciser releases the grip parts 2 of the first grip 1 and the second grip A, the spring 5 can drive the first grip 1 and the second grip A to open, so that the gripping force exercising effect is achieved repeatedly.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.

Claims

1. The utility model provides a spring-grip, includes first handle (1), second handle (A), and first handle (1) can rotate with second handle (A) relatively to open and shut and be connected its characterized in that: the second handle (A) comprises a rotating part (3) and a handle part (2), the rotating part (3) is rotatably connected with the first handle (1), and the handle part (2) is movably arranged on the rotating part (3) relative to the first handle (1).

2. A spring-grip dumb-bell as claimed in claim 1, wherein: the handle part (2) is movably and adjustably arranged on the rotating part (3) through a first screw rod nut pair.

3. A spring-grip dumb-bell as claimed in claim 2, wherein: rotate piece (3) and be provided with the edge first spout (33) that handle spare (2) moving direction extends, be provided with slidable first slider (6) in first spout (33), handle spare (2) and first slider (6) fixed connection, first screw-nut is vice including rotatable setting first lead screw (7) on rotating piece (3) and first screw (61) of formation on first slider (6) with first lead screw (7) screw-thread fit.

4. A hand-grip apparatus as claimed in claim 3, wherein: one end of the first screw rod (7) is provided with a first rotating supporting part (71), and the rotating part (3) is provided with a first supporting hole (34) which is matched with the first rotating supporting part (71) in a rotating mode.

5. A spring-grip dumb-bell as claimed in claim 4, wherein: a first annular limiting groove (72) is formed in the position, close to the first rotating supporting portion (71), of the first screw rod (7), and a first limiting pin (74) located in the first annular limiting groove (72) is arranged on the rotating piece (3).

6. A hand-grip apparatus as claimed in claim 3, wherein: the other end of the first screw rod (7) is provided with an operation knob (73) which is positioned outside the rotating piece (3).

7. A spring-grip according to any of claims 1 to 6, wherein: an elastic piece for driving the first handle (1) and the second handle (A) to open is arranged between the first handle (1) and the second handle (A).

8. A spring-grip dumb-bell as claimed in claim 7, wherein: the first handle (1) is provided with a connecting section (11) extending upwards from the connecting position of the rotating part (3), and the elastic part is a spring (5) connected between the connecting section (11) and the rotating part (3).

9. A spring-grip dumb-bell as claimed in claim 8, wherein: the rotating piece (3) is provided with a second sliding block (4) capable of being movably adjusted, the spring (5) is fixedly connected with the second sliding block (4), and the second sliding block (4) is movably adjusted through a second lead screw nut pair and is arranged on the rotating piece (3).

10. A spring-grip dumb-bell as claimed in claim 9, wherein: rotate piece (3) and be provided with the edge second spout (32) that second slider (4) moving direction extends, second screw-nut is vice including rotatable setting second lead screw (8) on rotating piece (3) and second screw (42) that form on second slider (4) with second lead screw (8) screw-thread fit, the one end of second lead screw (8) is provided with the second rotation supporting part, it is provided with the second supported hole with second rotation supporting part normal running fit to rotate piece (3), second lead screw (8) are formed with second annular spacing groove in the position that is close to the second rotation supporting part, it is provided with the second spacer pin that is located second annular spacing groove on rotating piece (3).