CN214260490U - Novel dumbbell - Google Patents
Novel dumbbell Download PDFInfo
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- CN214260490U CN214260490U CN202023036218.2U CN202023036218U CN214260490U CN 214260490 U CN214260490 U CN 214260490U CN 202023036218 U CN202023036218 U CN 202023036218U CN 214260490 U CN214260490 U CN 214260490U
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- connecting rod
- connecting hole
- balancing weight
- counterweight
- dumbbell
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Abstract
The utility model discloses a novel dumbbell, which comprises a handle body and two counterweight devices connected with the two ends of the handle body, wherein each counterweight device comprises at least two counterweight blocks, the center of each counterweight block is provided with a connecting hole, the two ends of each counterweight block respectively penetrate through the two end surfaces of each counterweight block, a connecting rod is connected in each connecting hole, the two ends of each connecting rod are respectively arranged at the outer sides of the two ends of each connecting hole, and a gap for inserting the connecting rod of the other counterweight block is arranged between each connecting rod and the inner wall of each connecting hole; in two adjacent balancing weights, the connecting rod of the balancing weight positioned at the outer side is detachably connected in the connecting hole of the balancing weight positioned at the inner side. This novel dumbbell weight adjustment convenient operation, weight control range is big, and the balancing weight is connected stably, firmly.
Description
Technical Field
The utility model relates to a body-building apparatus technical field specifically says that a novel dumbbell.
Background
The dumbbell is a common fitness apparatus and is mainly used for muscle strength training, muscle compound action training and the like. Especially for users with low muscle strength caused by paralysis, pain, long-term inactivity and the like, the dumbbell can be held by hands, resistance active exercise can be carried out by using the weight of the dumbbell, and muscle strength is trained and enhanced. The prior art dumbbells have dumbbells with fixed weight and dumbbells with adjustable weight, when the dumbbells with fixed weight are used, a user needs to prepare a set of dumbbells with different weight specifications to meet the use requirement, so the use of the dumbbells with fixed weight increases the purchase cost of the user and occupies more storage space; the dumbbell with adjustable weight generally adopts a plurality of counter weights with different weights to be connected with the grab handle, and the weight of the dumbbell is adjusted by adjusting the number of the counter weights. For example, patent application with publication number CN104548480A and name of dumbbell, the structure of dumbbell comprises a dumbbell rod, wherein two ends of the dumbbell rod are provided with external threads, the external threads are sleeved with a plurality of dumbbell cakes, the outermost sides of the dumbbell cakes are provided with stop blocks which are sleeved on the external threads of the dumbbell rod, and the dumbbell cakes are hexagonal. The dumbbell with the structure is in threaded connection with the external thread of the dumbbell rod through the stop block to compress dumbbell cakes, and the weight of the dumbbell is adjusted by adjusting the number of the dumbbell cakes; also disclosed in application No. CN210278094U entitled dumbbell with adjustable weight is a dumbbell whose weight is adjusted by providing a first adjustment stop, a second adjustment stop, and four weight adjustment blocks. When the weight is full, a first stop ring of the first adjusting stop and a second stop ring of the second adjusting stop are respectively matched with two ends of the iron column, a first balancing weight, a second balancing weight, a third balancing weight and a fourth balancing weight are arranged in a balancing cavity of the shell, and the bottom cover and the top cover are respectively in threaded connection with the shell; and at half weight, the first stop ring of the first adjusting stop is contacted with the first balancing weight, the second stop ring of the second adjusting stop is contacted with the fourth balancing weight, the non-stop ring sides of the first adjusting stop and the second adjusting stop are contacted with the two ends of the iron column, and the bottom cover and the top cover are respectively in threaded connection with the shell. The dumbbell in the prior art has the following defects in the using process: when adjusting dumbbell weight, need separate bottom and top cap, then place different balancing weights in the counter weight cavity, make bottom and top cap threaded connection together at last, it is very troublesome to operate, and because of the space in the counter weight cavity is limited, its weight adjustment's scope is less, can not satisfy user's demand.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of above prior art, provide a weight modulation convenient operation, weight control range is big, and the balancing weight connects stable, firm novel dumbbell.
The technical solution of the utility model is to provide a novel dumbbell with following structure: the handle comprises a handle body and two counterweight devices connected to two ends of the handle body, wherein each counterweight device comprises at least two counterweight blocks, a connecting hole is formed in the center of each counterweight block, two ends of each connecting hole respectively penetrate through two end faces of each counterweight block, a connecting rod is connected into each connecting hole, two ends of each connecting rod are respectively arranged on the outer sides of two ends of each connecting hole, and a gap for inserting the connecting rod of the other counterweight block is formed between each connecting rod and the inner wall of each connecting hole; in two adjacent balancing weights, the connecting rod of the balancing weight positioned at the outer side is detachably connected in the connecting hole of the balancing weight positioned at the inner side.
Preferably, the inner wall of the connecting hole is provided with a clamping groove extending in the radial direction; the outer side wall of the first end of the connecting rod is provided with a clamping block which protrudes outwards in the radial direction; when two adjacent balancing weights are installed, the first end of the connecting rod of the outer balancing weight is inserted into the connecting hole of the inner balancing weight, and the clamping block on the first end of the connecting rod is clamped in the clamping groove of the connecting hole.
Preferably, the outer side wall of the second end of the connecting rod is provided with a driving button linked with the clamping block, and the driving button is used for driving the clamping block to be separated from the clamping groove of the connecting hole.
Preferably, the end faces of the two ends of the handle body are respectively provided with a jack for the connection rod on the weight distribution block to be inserted.
Preferably, the inner peripheral wall of the insertion hole is provided with an annular groove for clamping the clamping block on the connecting rod.
Preferably, the cross section of the connecting rod is set to be half of the cross section of the connecting hole.
Preferably, the connecting rod is a hollow connecting rod, two openings communicated with the inner hole are formed in the side wall of the first end of the connecting rod, and two button holes communicated with the inner hole are formed in the side wall of the second end of the connecting rod; the two driving buttons are respectively in clearance fit in the two button holes, and the inner ends of the two driving buttons are connected with a return spring; the two clamping blocks are in clearance fit in the two openings respectively, and are connected with the inner ends of the two driving buttons respectively.
Preferably, the center of the end face of one end, close to the driving button, of the balancing weight is provided with an annular concave part.
Preferably, both sides of the handle body are provided with hanging holes.
After the structure more than adopting, the utility model relates to a novel dumbbell compares with prior art, has following advantage: firstly, a connecting hole is formed in the center of each novel dumbbell clump weight, a connecting rod is connected in each connecting hole, two ends of each connecting rod extend out of the connecting holes, when two adjacent clump weights are installed, the extending ends of the connecting rods of the outer clump weights are connected in the connecting holes of the inner clump weights, and by analogy, the clump weights can be assembled together; when weight adjustment, only need install additional or dismantle the balancing weight can, it is very convenient, simple to operate, this novel counter weight device at dumbbell handle body both ends's balancing weight can add as required, and the control range of its weight is big, satisfies different users' demand. Secondly, the connecting rod is detachably connected with the connecting hole, specifically, a clamping groove is arranged in the connecting hole, a clamping block matched with the clamping groove is arranged at the first end of the connecting rod, and the clamping block is driven by a driving button at the second end of the connecting rod, so that the clamping block can be separated from the clamping groove, and the arrangement is simple and convenient for mounting and dismounting the balancing weight; furthermore, the cross section of connecting rod is half of connecting hole cross section in every balancing weight, and like this, when two adjacent balancing weights are assembled, the connecting rod of outside balancing weight just inserts in the connecting hole of inboard balancing weight, and the cross section after the connecting rod of outside balancing weight and the connecting rod amalgamation of inboard balancing weight is unanimous with the cross section of connecting hole to make between the balancing weight complex inseparabler, be difficult for rocking, connection stability between the balancing weight is good.
Drawings
Fig. 1 is a schematic structural view of the novel dumbbell of the present invention.
Fig. 2 is a schematic view of an assembly structure of the novel dumbbell of the present invention.
Fig. 3 is a schematic view of a sectional structure of a weight block of the novel dumbbell of the present invention.
Fig. 4 is a schematic view of the mounting structure of the weight block of the novel dumbbell of the present invention.
As shown in the figure:
1. handle body, 100, hanging hole, 101, jack, 2, counter weight device, 200, balancing weight, 201, connecting hole, 202, clearance, 203, annular indent, 204, draw-in groove, 3, connecting rod, 300, fixture block, 301, drive button, 302, button hole, 303, reset spring, 304, opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 4;
the utility model relates to a novel dumbbell, which comprises a handle body 1 and two counterweight devices 2 connected with the two ends of the handle body 1, wherein the handle body 1 is made of rubber or metal; the counterweight device 2 is generally made of metal materials, or a rubber sleeve is wrapped outside the counterweight device made of metal materials; the counterweight device 2 is connected with the end of the handle body 1, and may be fixedly connected or detachably connected, in this embodiment, each counterweight device 2 includes at least two counterweight blocks 200, a connecting hole 201 is provided in the center of the counterweight block 200, two ends of the connecting hole respectively penetrate through two end faces of the counterweight block 200, a connecting rod 3 is connected in the connecting hole 201, two ends of the connecting rod 3 are respectively provided outside two ends of the connecting hole 201, and a gap 202 for inserting the connecting rod 3 of another counterweight block 200 is provided between the connecting rod 3 and the inner wall of the connecting hole 201; in two adjacent balancing weights 200, the connecting rod 3 of the balancing weight 200 located at the outer side is detachably connected in the connecting hole 201 of the balancing weight 200 located at the inner side. The connection between the weights 200 may be a bayonet, snap, etc. The center of the novel dumbbell counterweight block is provided with a connecting hole, a connecting rod is connected in the connecting hole, two ends of the connecting rod extend out of the connecting hole, when two adjacent counterweight blocks are installed, the extending end of the connecting rod of the outer side counterweight block is connected in the connecting hole of the inner side counterweight block, and by analogy, the counterweight blocks can be assembled together; when weight adjustment, only need install additional or dismantle the balancing weight can, it is very convenient, simple to operate, this novel counter weight device at dumbbell handle body both ends's balancing weight can add as required, and the control range of its weight is big, satisfies different users' demand.
Referring again to fig. 2 and 3, as an embodiment of the present invention; in the two adjacent balancing weights 200, the connecting rod 3 of the balancing weight 200 positioned at the outer side is detachably connected in the connecting hole 201 of the balancing weight 200 positioned at the inner side, which means that a radially extending clamping groove 204 is arranged on the inner wall of the connecting hole 201; the outer side wall of the first end of the connecting rod 3 is provided with a radially outward convex clamping block 300; when two adjacent balancing weights 200 are installed, the first end of the connecting rod 3 of the outer balancing weight 200 is inserted into the connecting hole 201 of the inner balancing weight 200, and the clamping block on the first end of the connecting rod 3 is clamped in the clamping groove 204 of the connecting hole 201. And a driving button 301 linked with the fixture block 300 is arranged on the outer side wall of the second end of the connecting rod 3 and used for driving the fixture block 300 to be separated from the clamping groove 204 of the connecting hole 201. Thus, the installation and the disassembly of the balancing weight are simple and convenient.
Referring again to fig. 3 and 4, as an embodiment of the present invention; the connecting rod 3 is a hollow connecting rod 3, two openings 304 communicated with the inner hole are formed in the side wall of the first end of the connecting rod 3, and two button holes 302 communicated with the inner hole are formed in the side wall of the second end of the connecting rod 3; the two driving buttons 301 are respectively in clearance fit in the two button holes 302, the inner ends of the two driving buttons 301 are connected with a return spring 303, and two ends of the return spring are respectively abutted against the inner ends of the two driving buttons 301; the number of the latch 300 is two, and the two latches 300 are respectively in clearance fit with the two openings 304, and the two latches 300 are respectively connected with the inner ends of the two driving buttons 301. When the two driving buttons 301 are pressed inwards to move, the two driving buttons 301 drive the two clamping blocks 300 to be separated from the clamping grooves in the connecting holes, so that the two balancing weights can be separated from each other. When the balancing weight is assembled, the two clamping blocks are retracted inwards into the inner hole of the connecting rod due to the extrusion of the inner wall of the connecting hole, and when the clamping blocks are arranged in the clamping grooves, the clamping blocks reset under the elastic force of the reset spring and are clamped into the clamping grooves in the connecting hole; the outer side wall of the clamping block is arranged to be an inclined plane, so that the clamping block can be smoothly inserted into the connecting hole. Of course, the structure for driving the fixture block to be separated from the clamping groove by using the driving button can be in other forms, for example, a slide rod is slidably matched in an inner hole of the connecting rod, the fixture block is arranged on the slide rod, the fixture block can extend out of or retract into the opening when the slide rod slides back and forth, a spring is arranged between the slide rod and the inner hole of the connecting rod, the spring has a movement trend of enabling the fixture block on the slide rod to extend out of the opening, and the driving button is used for driving the slide rod to slide so as to enable the slide rod to overcome the elasticity of the spring to enable the fixture block to be separated from the clamping groove.
Referring again to fig. 2, as an embodiment of the present invention; the end surfaces of the two ends of the handle body 1 are respectively provided with a jack 101 for the connection rod 3 on the weight distribution block 200 to be inserted. And an annular groove for clamping the fixture block 300 on the connecting rod 3 is formed in the inner peripheral wall of the insertion hole 101. Due to the arrangement, the counterweight block 200 is detachably connected with the handle body 1, so that the installation is very simple and convenient; when the balancing weight 200 is installed on the end face of the handle body 1, the first end of the balancing weight 200 is inserted into the jack 101 on the handle body 1, and when the fixture block 300 at the first end of the connecting rod of the balancing weight 200 is clamped in the annular groove in the jack and the installation of the balancing weight 200 and the handle body 1 is completed; when the balancing weight is disassembled, the balancing weight 200 can be taken down only by pressing the driving button 301 to separate the clamping block 300 from the annular groove.
Referring again to fig. 2, as an embodiment of the present invention; the cross section of the connecting rod 3 is set to be half of that of the connecting hole 201. For example, the cross section of the connecting hole is circular, and then the cross section of the connecting rod is semicircular; the cross section of the connecting hole is square, then the cross section of the connecting rod is half of square, and the cross section of the gap 202 between the connecting column and the inner wall of the connecting hole is the same as that of the connecting rod. Like this, when two adjacent balancing weights are assembled, the connecting rod of outside balancing weight just inserts in the connecting hole of inboard balancing weight, and the cross section after the connecting rod of outside balancing weight and the connecting rod amalgamation of inboard balancing weight is unanimous with the cross section of connecting hole to make between the balancing weight complex inseparabler, be difficult for rocking, connection stability between the balancing weight is good.
Referring again to fig. 2, as an embodiment of the present invention; an annular indent 203 is arranged at the center of the end face of one end of the balancing weight 200 close to the driving button 301. Hanging holes 100 are formed in the two sides of the handle body 1. The arrangement of the annular indent 203 is convenient for a user to press the driving button by fingers; the hanging holes 100 on the two sides of the handle body 1 are convenient for hanging the dumbbell.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a novel dumbbell, it includes the handle body and connects two counter weight devices at handle body both ends, its characterized in that: each counterweight device comprises at least two counterweight blocks, the center of each counterweight block is provided with a connecting hole, two ends of each connecting hole respectively penetrate through two end faces of each counterweight block, a connecting rod is connected in each connecting hole, two ends of each connecting rod are respectively arranged on the outer sides of two ends of each connecting hole, and a gap for inserting the connecting rod of the other counterweight block is formed between each connecting rod and the inner wall of each connecting hole; in two adjacent balancing weights, the connecting rod of the balancing weight positioned at the outer side is detachably connected in the connecting hole of the balancing weight positioned at the inner side.
2. The novel dumbbell of claim 1, wherein: the inner wall of the connecting hole is provided with a clamping groove extending in the radial direction; the outer side wall of the first end of the connecting rod is provided with a clamping block which protrudes outwards in the radial direction; when two adjacent balancing weights are installed, the first end of the connecting rod of the outer balancing weight is inserted into the connecting hole of the inner balancing weight, and the clamping block on the first end of the connecting rod is clamped in the clamping groove of the connecting hole.
3. The novel dumbbell of claim 2, characterized in that: and a driving button linked with the fixture block is arranged on the outer side wall of the second end of the connecting rod and used for driving the fixture block to be separated from the clamping groove of the connecting hole.
4. The novel dumbbell of claim 3, characterized in that: the end faces of the two ends of the handle body are respectively provided with a jack for the connection of the connecting rod on the counterweight block.
5. The novel dumbbell of claim 4, characterized in that: and the inner peripheral wall of the jack is provided with an annular groove for clamping the fixture block on the connecting rod.
6. The novel dumbbell of claim 1, wherein: the cross section of the connecting rod is half of that of the connecting hole.
7. The novel dumbbell of claim 3, characterized in that: the connecting rod is a hollow connecting rod, two openings communicated with the inner hole are formed in the side wall of the first end of the connecting rod, and two button holes communicated with the inner hole are formed in the side wall of the second end of the connecting rod; the two driving buttons are respectively in clearance fit in the two button holes, and the inner ends of the two driving buttons are connected with a return spring; the two clamping blocks are in clearance fit in the two openings respectively, and are connected with the inner ends of the two driving buttons respectively.
8. The novel dumbbell of claim 3, characterized in that: the balancing weight is provided with an annular indent at the center of one end face close to the driving button.
9. The novel dumbbell according to any one of claims 1 to 8, characterized in that: hanging holes are formed in the two sides of the handle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023036218.2U CN214260490U (en) | 2020-12-16 | 2020-12-16 | Novel dumbbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023036218.2U CN214260490U (en) | 2020-12-16 | 2020-12-16 | Novel dumbbell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214260490U true CN214260490U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023036218.2U Active CN214260490U (en) | 2020-12-16 | 2020-12-16 | Novel dumbbell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214260490U (en) |
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2020
- 2020-12-16 CN CN202023036218.2U patent/CN214260490U/en active Active
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