CN214679837U

CN214679837U - Dumbbell handle locking device

Info

Publication number: CN214679837U
Application number: CN202120730112.8U
Authority: CN
Inventors: 翁高望
Original assignee: Zhejiang Qili Health Technology Ltd
Current assignee: Zhejiang Qili Health Technology Ltd
Priority date: 2021-04-01
Filing date: 2021-04-12
Publication date: 2021-11-12
Anticipated expiration: 2031-04-12
Also published as: CN112972996A

Abstract

The utility model discloses a dumbbell handle locking device, which is arranged on an inner end cover of a dumbbell, a handle of the dumbbell penetrates into the inner end cover and can rotate, the dumbbell locking device comprises a limiting block, a limiting ring and a main gear, the limiting ring and the main gear are both sleeved on the handle and can rotate along with the handle, a plurality of limiting convex strips are arranged on the outer edge of the limiting ring, and two adjacent limiting convex strips are not in contact with each other and form a limiting block channel; the top of the limiting block protrudes with a hook part which is positioned in the limiting block channel to clamp the limiting convex strips at two sides when the limiting block is initially acted by gravity; after the limiting block is jacked up, the hook part is separated from the limiting block channel. The utility model discloses a cooperation of spacing collar and stopper to utilize gravity, make the stopper when no external force jack-up, can block the spacing collar and make it unable rotation under the action of gravity from automatic whereabouts, thereby guarantee that the handle can't rotate, the security is high.

Description

Dumbbell handle locking device

Technical Field

The utility model belongs to the technical field of the apparatus is used in the physical training and specifically relates to a dumbbell handle locking device is related to.

Background

At present, dumbbells with dumbbell pieces capable of being assembled and disassembled only by rotating a handle appear in the market, but if the dumbbell pieces of the dumbbell are not locked after being assembled or disassembled, the dumbbell pieces can possibly fall off only by rotating the handle in the use process, and certain potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dumbbell handle locking device which can not rotate the handle in the using process, in order to overcome the defects.

The technical scheme of the utility model as follows:

a dumbbell handle locking device is arranged on an inner end cover 2 of a dumbbell, a handle 1 of the dumbbell penetrates into the inner end cover 2 and can rotate, the dumbbell locking device comprises a limiting block 25, a limiting ring 22 and a main gear 23, the limiting ring 22 and the main gear 23 are both sleeved on the handle 1 and can rotate along with the handle 1, a plurality of limiting convex strips 24 are arranged on the outer edge of the limiting ring 22, and adjacent two limiting convex strips 24 are not in contact with each other and form a limiting block channel 26; the top of the limiting block 25 is provided with a hook part 3 in a protruding way, and when the limiting block 25 is acted by gravity, the hook part 3 is positioned in the limiting block channel 26 to clamp the limiting convex strips 24 at two sides so that the handle can not rotate; after the limiting block 25 is jacked up, the hook part 3 is separated from the limiting block channel 26, the limiting block does not limit the limiting ring at the moment, and the handle can rotate.

Bolt hole 27 has been seted up to the bottom of interior end cover 2, bolt hole 27's top still is equipped with two baffles 4, the spacing groove that holds stopper 25 has been formed between two baffles 4, the bolt can follow the bolt hole with stopper jack-up, still be equipped with a layer board 29 in the spacing groove, stopper 25 outstanding one side that has hook portion is equipped with two fixture blocks 8, one in two fixture blocks 8 is in layer board 29 top, another is in layer board 29 below, and when last fixture block 8 whereabouts on layer board 29 under the action of gravity, the hook portion of stopper 25 is located stopper passageway 26, after the stopper is jacked up, hook portion can leave spacing passageway, owing to have fixture block under, consequently also can not pushed up.

Preferably, a spring 30 is further connected between the lower fixture block 8 and the supporting plate 29, when the spring 30 is not stressed, the hook part at the top of the limiting block is located in the limiting block channel, when the spring is extruded and contracted, the hook part at the top of the limiting block leaves the limiting block channel, and when the force pushing the limiting block is removed, the spring rebounds to pull the hook part at the top of the limiting block back into the limiting block channel. The design ensures that the dumbbell can move at any angle unless the limiting block is jacked up by external force, and the hook part at the top of the limiting block is positioned in the limiting block channel, so that high safety is ensured.

As preferred, the utility model discloses still include scale gear 32, scale gear 32 meshes with master gear 23, and is equipped with the gear scale at scale gear 32's the back, and scale disc mouth 20 has still been seted up at the back of interior end cover 2, and along with the master gear drives scale gear and rotates, the scale disc mouth can show different digital gear.

Both ends of the central shaft of the scale gear 32 extend outwards to form a mounting shaft 5, and mounting holes 6 for inserting the mounting shaft 5 are formed in the inner walls of the two sides of the inner end cover 2.

The utility model has the advantages that:

the utility model discloses a cooperation of spacing collar and stopper to utilize gravity, make the stopper when no external force jacks up, can block the spacing collar and make it unable rotation under the action of gravity automatic whereabouts, thereby realize guaranteeing the unable rotation of handle to the locking of handle, the security is high.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the stopper at the top;

FIG. 4 is a schematic view of the limiting block clamping the limiting ring;

FIG. 5 is a front view of FIG. 4;

FIG. 6 is a sectional view taken along the line A-A in FIG. 5 in example 1;

FIG. 7 is a schematic view of an inner end cap and handle;

FIG. 8 is a sectional view taken along the plane A-A in FIG. 5 in example 2.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

The dumbbell handle locking device shown in fig. 1-7 is installed on an inner end cover 2 of a dumbbell, a handle 1 of the dumbbell penetrates through the inner end cover 2 and can rotate, the dumbbell locking device comprises a limiting block 25, a limiting ring 22 and a main gear 23, the limiting ring 22 and the main gear 23 are both sleeved on the handle 1 and can rotate along with the handle 1, a plurality of limiting convex strips 24 are arranged on the outer edge of the limiting ring 22, and adjacent two limiting convex strips 24 are not in contact with each other and form a limiting block channel 26; the top of the limiting block 25 is provided with a hook part 3 in a protruding way, and when the limiting block 25 is acted by gravity, the hook part 3 is positioned in the limiting block channel 26 to clamp the limiting convex strips 24 at two sides so that the handle can not rotate; after the limiting block 25 is jacked up, the hook part 3 is separated from the limiting block channel 26, the limiting block does not limit the limiting ring at the moment, and the handle can rotate. Bolt hole 27 has been seted up to the bottom of interior end cover 2, bolt hole 27's top still is equipped with two baffles 4, the spacing groove that holds stopper 25 has been formed between two baffles 4, the bolt can follow the bolt hole with stopper jack-up, still be equipped with a layer board 29 in the spacing groove, stopper 25 outstanding one side that has hook portion is equipped with two fixture blocks 8, one in two fixture blocks 8 is in layer board 29 top, another is in layer board 29 below, and when last fixture block 8 whereabouts on layer board 29 under the action of gravity, the hook portion of stopper 25 is located stopper passageway 26, after the stopper is jacked up, hook portion can leave spacing passageway, owing to have fixture block under, consequently also can not pushed up.

The utility model discloses still include scale gear 32, scale gear 32 meshes with master gear 23, and is equipped with the gear scale at the back of scale gear 32, and scale disc mouth 20 has still been seted up at the back of inner end cover 2, and along with the master gear drives scale gear and rotates, the scale disc mouth can show different digital gears. The center pin both ends of scale gear 32 all outwards extend and form installation axle 5, and the both sides inner wall of interior end cover 2 is equipped with and is used for supplying the installation axle 5 male mounting hole 6, and after the installation axle inserted the mounting hole, the scale gear can realize rotating.

Example 2

As shown in fig. 8, this embodiment is on the basis of embodiment 1, connecting spring 30 between fixture block 8 and layer board 29 under, and when the stopper did not receive external force jack-up, when the spring did not receive the atress promptly, the hook portion on stopper top was located the stopper passageway, and when the stopper received external force by jack-up, the spring was extruded and is contracted, and the hook portion on stopper top leaves the stopper passageway, and when removing the power of pushing up the stopper, the spring kick-backs and pulls back the hook portion on stopper top in the stopper passageway. The design of the spring enables the limiting block to ensure that the dumbbell moves at any angle unless the limiting block is jacked up by external force, and the hook part at the top of the limiting block is limited in the limiting block channel by the spring, so that high safety is ensured.

In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a dumbbell handle locking device installs in end cover (2) in the dumbbell, and handle (1) of dumbbell penetrate inner end cover (2) and can rotate characterized by: the dumbbell locking device comprises a limiting block (25), a limiting ring (22) and a main gear (23), wherein the limiting ring (22) and the main gear (23) are sleeved on the handle (1) and can rotate along with the handle (1), a plurality of limiting convex strips (24) are arranged on the outer edge of the limiting ring (22), and adjacent two limiting convex strips (24) are not in contact with each other and form a limiting block channel (26); a hook part (3) protrudes from the top of the limiting block (25), and when the limiting block (25) is initially acted by gravity, the hook part (3) is positioned in the limiting block channel (26) to clamp the limiting convex strips (24) at two sides; after the limiting block (25) is jacked up, the hook part (3) is separated from the limiting block channel (26).

2. The dumbbell handle locking device of claim 1, wherein: bolt hole (27) have been seted up to the bottom of interior end cover (2), the top of bolt hole (27) still is equipped with two baffle (4), the spacing groove that holds stopper (25) has been formed between two baffle (4), still be equipped with a layer board (29) at the spacing inslot, one side of stopper (25) is equipped with two fixture blocks (8), one in two fixture blocks (8) is in layer board (29) top, another is in layer board (29) below, and when last fixture block (8) fall on layer board (29), the hook portion of stopper (25) is located stopper passageway (26).

3. The dumbbell handle locking device of claim 2, wherein: the hook part (3) and the fixture block (8) are arranged on the same side.

4. The dumbbell handle locking device of claim 2, wherein: a spring (30) is connected between the lower fixture block (8) and the supporting plate (29).

5. The dumbbell handle locking device of claim 1, wherein: the scale gear is characterized by further comprising a scale gear (32), the scale gear (32) is meshed with the main gear (23), gear scales are arranged on the back of the scale gear (32), and a scale disc opening (20) is further formed in the back of the inner end cover (2).

6. The dumbbell handle locking device of claim 5, wherein: the two ends of the central shaft of the scale gear (32) both extend outwards to form an installation shaft (5), and the inner walls of the two sides of the inner end cover (2) are provided with installation holes (6) for inserting the installation shaft (5).