CN101985064B - Gear shifting type dumbbell - Google Patents
Gear shifting type dumbbell Download PDFInfo
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- CN101985064B CN101985064B CN201010554431.4A CN201010554431A CN101985064B CN 101985064 B CN101985064 B CN 101985064B CN 201010554431 A CN201010554431 A CN 201010554431A CN 101985064 B CN101985064 B CN 101985064B
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- China
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- handle
- snap fastener
- balancing weight
- pin
- balancing weights
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Abstract
The invention discloses a gear shifting type dumbbell which comprises a handle, two telescopic rods, a plurality of pairs of external balancing weights and a pair of internal balancing weights; the two telescopic rods are interpenetrated in the handle and can stretch out or retract into the handle by rotating the handle, and a surface interval of the telescopic rods forms an abdication groove and a pushing platform; pin holes are formed on two end parts of the handle, elastic pins are arranged in the pin holes, the elastic pins can stretch out the surfaces of the end parts or retract into the end parts along with stretching or retraction of the telescopic rods, and two end surfaces of the handle form a first clamping mechanism; the outer side surfaces of the plurality of the external balancing weights form the first clamping mechanism which is the same with the first clamping mechanism of the handle, and the inner side surfaces of the plurality of the external balancing weights form a second clamping mechanism which is matched and assembled with the outer side surfaces of the other external balancing weights and the first clamping mechanism of the handle; and the internal balancing weights comprise sleeve holes and gaps for leading the end parts of the handle to penetrate and sheath, and positioning holes for leading the elastic pins to penetrate are formed on the inner walls of the sleeve holes. The structure is simpler, the regulation is more convenient, and the gear shifting type dumbbell has more regulation gear shifts, thereby increasing the regulation range.
Description
Technical field
The present invention relates to a kind of gear shifting type dumbbell.
Background technology
Traditional dumbbell weight is fixed, and person taking exercise will be equipped with the dumbbell that a whole set of has Different Weight usually, and to adapt to the exercise of different phase, training equipment spending is large, is also not easy to collection.
Someone have developed adjustable dumbbell afterwards, such as application number is " adjustment System of dumbbell " of 200580042560.2, have both multiple weight shelves on a dumbbell, two expansion links can be made extended or retracted in handle by turning handle, to carry out as required being optionally assembled on expansion link by balancing weight, make dumbbell have different weight, facilitate different phase to take exercise and use, save apparatus equipment expense, and be convenient to collection.
But the present inventor carries out com-parison and analysis discovery to above-mentioned dumbbell, there is complex structure, regulate inconvenient, that adjustment class is few defect in it, therefore, the present inventor carries out deep research to adjustable dumbbell structure, and design a kind of novel gear shifting type dumbbell, this case produces thus.
Summary of the invention
The object of the present invention is to provide a kind of gear shifting type dumbbell, make structure simpler, regulate more convenient, regulate class many, increase adjustable range.
In order to reach above-mentioned purpose, solution of the present invention is:
Adjustable dumbbell, comprises handle, two expansion links, some external balancing weights and to interior balancing weight; Two expansion links intert in the handle, and are driven extended or retracted in handle by turning handle, and the spaced surface of expansion link forms slot to make way and ejection platform; Pin-and-hole is offered in two ends of handle, in pin-and-hole, resilient key is housed, this resilient key is promoted projecting end surface or falls after rise to retract to slot to make way end by ejection platform with the extended or retracted of expansion link, and two end faces of handle form the first snap fastener; The lateral surface of some outer balancing weights forms first snap fastener identical with the first snap fastener of handle, and the first snap fastener that the medial surface of some outer balancing weights then forms balancing weight lateral surface outer with other and handle coordinates the second snap fastener assembled; Interior balancing weight has trepanning and breach for wearing handle end, trepanning inwall is offered the locating hole stretched into for resilient key.
Described resilient key is made up of pin and spring, and pin forms boss, and spring housing is on pin, and the two ends of spring are against in boss and pin-and-hole outer rim.
Described first snap fastener and the second snap fastener are the tongue-and-groove and tenon block that cooperatively interact.
Described first snap fastener and the second snap fastener are the dovetail groove and dovetails that cooperatively interact.
Formed between described slot to make way and ejection platform and lead cambered surface.
The end of described handle offers two to three pin-and-holes radially.
After adopting such scheme, the present invention, when not increasing outer balancing weight and interior balancing weight, has constant weight, can directly use as the dumbbell of minimum weight level.The present invention can also coordinate with pin-and-hole by resilient key, balancing weight in the two ends of handle are fixing, or coordinates by the first snap fastener and the second snap fastener, and the fixing outer balancing weight at the two ends of handle, to increase the weight of dumbbell.Like this, the present invention selectively can assemble the outer balancing weight of interior balancing weight and varying number as required, makes dumbbell have different weight thus, facilitates different phase to take exercise and uses.
Structure of the present invention is simple, and adjustment action is only had rotary handle, inserts and hang outer balancing weight or interior balancing weight, easy to operate, and the quantity of inserting the outer balancing weight of extension is unrestricted, and regulate class to increase, adjustable range increases.
Accompanying drawing explanation
Fig. 1 is the schematic diagram one that the present invention is placed on dumbbell rack;
Fig. 2 is the schematic diagram two that the present invention is placed on dumbbell rack;
Fig. 3 is the stereogram of the present invention when not increasing interior balancing weight and outer balancing weight;
Fig. 3-1 is the side view of the present invention when not increasing interior balancing weight and outer balancing weight;
Fig. 3-2 is the present invention's sectional views when not increasing interior balancing weight and outer balancing weight;
Fig. 4 is the stereogram of the present invention when increasing interior balancing weight;
Fig. 4-1 is the side view of the present invention when increasing interior balancing weight;
Fig. 4-2 is the present invention's sectional views when increasing interior balancing weight;
Fig. 5 is the stereogram of the present invention when increasing by an external balancing weight;
Fig. 5-1 is the side view of the present invention when increasing by an external balancing weight;
Fig. 5-2 is the present invention's sectional views when increasing by an external balancing weight;
Fig. 6 is the stereogram of the present invention when increasing interior balancing weight and an external balancing weight;
Fig. 6-1 is the side view of the present invention when increasing interior balancing weight and an external balancing weight;
Fig. 6-2 is the present invention's sectional views when increasing interior balancing weight and an external balancing weight;
Fig. 7 is the stereogram of the present invention when increasing by two external balancing weights;
Fig. 7-1 is the side view of the present invention when increasing by two external balancing weights;
Fig. 7-2 is the present invention's sectional views when increasing by two external balancing weights;
Fig. 8 is the stereogram of the present invention when increasing interior balancing weight and two external balancing weights;
Fig. 8-1 is the side view of the present invention when increasing interior balancing weight and two external balancing weights;
Fig. 8-2 is the present invention's sectional views when increasing interior balancing weight and two external balancing weights;
Fig. 9 is the stereogram of the present invention when increasing by three external balancing weights;
Fig. 9-1 is the side view of the present invention when increasing by three external balancing weights;
Fig. 9-2 is the present invention's sectional views when increasing by three external balancing weights;
Figure 10 is the sectional view of the present invention when increasing interior balancing weight and three external balancing weights;
Figure 11 is the sectional view of the present invention when increasing by four external balancing weights;
Figure 12 is the sectional view of the present invention when increasing interior balancing weight and four external balancing weights.
Label declaration
Handle 1 pin-and-hole 11
First snap fastener 12
Expansion link 2 slot to make way 21
Ejection platform 22 leads cambered surface 23
Outer balancing weight 3 first snap fastener 31
Second snap fastener 32
Interior balancing weight 4 trepanning 41
Breach 42 locating hole 43
Resilient key 5 pin 51
Spring 52 boss 53
Specific embodiment
Refer to shown in Fig. 1 to Fig. 3, present invention is disclosed a kind of adjustable dumbbell, comprise handle 1, two expansion links 2 (see the sectional view such as Fig. 3-1,4-1), some external balancing weights 3 (see Fig. 5 etc.) and to interior balancing weight 4 (see Fig. 4 etc.).Wherein, two expansion links 2 intert in handle 1, and drive two expansion links 2 extended or retracted in handle 1 by turning handle 1, and this structure is prior art, be " adjustment System of dumbbell " of 200580042560.2 as application number and quote as proof in case and all have exposure, therefore do not repeat.
The improvement of this case is:
Pin-and-hole 11 is offered in two ends of handle 1, resilient key 5 is housed in pin-and-hole 11, the concrete structure of resilient key 5 is made up of pin 51 and spring 52, pin 51 is formed boss 53, spring 52 is enclosed within pin 51, the two ends of spring 52 are against in boss 53 and pin-and-hole 11 outer rim, make resilient key 5 without retraction handle 1 during External Force Acting.Fixing in order to assemble location, this embodiment offers two to three pin-and-holes 11 radially in the end of handle 1.Two end faces of handle 1 form the first snap fastener 12.
The spaced surface of expansion link 2 forms slot to make way 21 and ejection platform 22, in the process of the extended or retracted handle 1 of expansion link 2, promote resilient key 5 by ejection platform 22 and stretch out the end surface of handle 1 (as Fig. 4-2, Fig. 6-2, shown in Fig. 8-2) or fall the end (as shown in Fig. 5-2, Fig. 7-2, Fig. 9-2) of handle 1 of retracting to slot to make way 21 after rise, in order to make transmission more smooth and easy, the present invention is formed and leads cambered surface 23 between slot to make way 21 and ejection platform 22.
The lateral surface of some outer balancing weights 3 forms first snap fastener 31 identical with the first snap fastener 12 shape size of handle 1, first snap fastener 12 of the first snap fastener 31 and handle 1 that the medial surface of some outer balancing weights 3 then forms balancing weight 3 lateral surface outer with other coordinates the second snap fastener 32 assembled, make the first external balancing weight 3 two ends of assembling and being fixed on handle 1 can be coordinated (as Fig. 5 with the first snap fastener 12 of handle 1 by its second snap fastener 32, 5-1, shown in 5-2), and the second external balancing weight 3 can coordinate the lateral surface assembled and be fixed on the first external balancing weight 3 (as Fig. 7 by its second snap fastener 32 with the first snap fastener 31 of the first external balancing weight 3, 7-1, shown in 7-2), by that analogy, 3rd external balancing weight 3 is fixed on the lateral surface of the second external balancing weight 3 (as Fig. 9, 9-1, shown in 9-2) ... thus, multipair outer balancing weight 3 can be realized fix in the assembling at handle 1 two ends.In order to assemble fast and firmly, the first snap fastener 12,31 and second snap fastener 32 of this embodiment is the dovetail groove that cooperatively interacts and dovetails, can certainly be other tongue-and-groove matched and tenon block.
Interior balancing weight 4 has trepanning 41 and breach 42 for wearing handle 1 end, trepanning 41 inwall is offered the locating hole 43 stretched into for resilient key 5.When interior balancing weight 4 is set on handle 1 end, control after resilient key 5 stretches into locating hole 43 by expansion link 2, in namely realizing, balancing weight 4 is fixed, as Fig. 4, Fig. 4-1, Fig. 4-2 in the assembling at handle 1 two ends, shown in Fig. 6, Fig. 6-1, Fig. 6-2, Fig. 8, Fig. 8-1, Fig. 8-2.
In the actual use of the present invention, dumbbell weight adjustment can be carried out as following:
As shown in Fig. 3, Fig. 3-1, Fig. 3-2, when not increasing outer balancing weight 3 and interior balancing weight 4, now resilient key 5 aligns with slot to make way 21 and retracts in handle 1, handle 1 and two expansion links 2 etc. have had constant weight, can directly use as the dumbbell of minimum weight level, such as actual design minimum weight level is 5 pounds.
As shown in Fig. 4, Fig. 4-1, Fig. 4-2, after interior balancing weight 4 is enclosed within handle 1 end, rotary handle 1 makes expansion link 2 stretch out the first lattice, just promote by ejection platform 22 end surface that resilient key 5 stretches out handle 1 to coordinate with the locating hole 43 of interior balancing weight 4, handle 1 two ends are fixedly assembled in by interior balancing weight 4, if the weight of each interior balancing weight 4 is 2.5 pounds, now dumbbell weight is 5 pounds+2.5 pounds × 2=10 pound.
As shown in Fig. 5, Fig. 5-1, Fig. 5-2, when rotary handle 1 makes expansion link 2 stretch out the second lattice, resilient key 5 just aligns with next slot to make way 21 and retracts in handle 1, interior balancing weight 4 cannot be fixed on handle 1 end and after being removed, first external balancing weight 3 is coordinated the two ends of assembling and being fixed on handle 1 by its second snap fastener 32 with the first snap fastener 12 of handle 1, if the weight of each outer balancing weight 3 is 5 pounds, now dumbbell weight is 5 pounds+5 pounds × 2=15 pound.
As shown in Fig. 6, Fig. 6-1, Fig. 6-2, again interior balancing weight 4 is enclosed within handle 1 end, rotary handle 1 makes expansion link 2 stretch out the 3rd lattice, just promote by ejection platform 22 end surface that resilient key 5 stretches out handle 1 to coordinate with the locating hole 43 of interior balancing weight 4, fixedly be assembled in handle 1 two ends by interior balancing weight 4, now dumbbell weight is 5 pounds+2.5 pounds × 2+5 pound × 2=20 pound.
As shown in Fig. 7, Fig. 7-1, Fig. 7-2, when rotary handle 1 makes expansion link 2 stretch out the 4th lattice, resilient key 5 just aligns with next slot to make way 21 again and retracts in handle 1, interior balancing weight 4 cannot be fixed on handle 1 end and after being again removed, second external balancing weight 3 is coordinated with the first snap fastener 32 of the first external balancing weight 3 lateral surface assembled and be fixed on the first external balancing weight 3 by its second snap fastener 32, and now dumbbell weight is 5 pounds+5 pounds × 4=25 pound.
By that analogy, as shown in Fig. 8, Fig. 8-1, Fig. 8-2, be the dumbbell assembling interior balancing weight 4 and two external balancing weights 3, now weight is 5 pounds+2.5 pounds × 2+5 pound × 4=30 pound.As shown in Fig. 9, Fig. 9-1, Fig. 9-2, be the dumbbell assembling three external balancing weights 3, now weight is 5 pounds+5 pounds × 6=35 pound.As shown in Figure 10, be the dumbbell assembling interior balancing weight 4 and three external balancing weights 3, now weight is 5 pounds+2.5 pounds × 2+5 pound × 6=40 pound.As shown in figure 11, be the dumbbell assembling four external balancing weights 3, now weight is 5 pounds+5 pounds × 8=45 pound.As shown in figure 12, be the dumbbell assembling interior balancing weight 4 and four external balancing weights 3, now weight is 5 pounds+2.5 pounds × 2+5 pound × 8=50 pound.
In a word, the present invention selectively can assemble the outer balancing weight 3 of interior balancing weight 4 and varying number as required, makes dumbbell have different weight thus, facilitates different phase to take exercise and uses.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (6)
1. adjustable dumbbell, comprises handle, two expansion links, some external balancing weights and to interior balancing weight; Two expansion links intert in the handle, and are driven extended or retracted in handle by turning handle, it is characterized in that: the spaced surface of expansion link forms slot to make way and ejection platform; Pin-and-hole is offered in two ends of handle, in pin-and-hole, resilient key is housed, this resilient key is promoted projecting end surface or falls after rise to retract to slot to make way end by ejection platform with the extended or retracted of expansion link, and two end faces of handle form the first snap fastener; The lateral surface of some outer balancing weights forms first snap fastener identical with the first snap fastener of handle, and the first snap fastener that the medial surface of some outer balancing weights then forms balancing weight lateral surface outer with other and handle coordinates the second snap fastener assembled; Interior balancing weight has trepanning and breach for wearing handle end, trepanning inwall is offered the locating hole stretched into for resilient key.
2. adjustable dumbbell as claimed in claim 1, it is characterized in that: resilient key is made up of pin and spring, and pin forms boss, spring housing is on pin, and the two ends of spring are against in boss and pin-and-hole outer rim.
3. adjustable dumbbell as claimed in claim 1, is characterized in that: described first snap fastener and the second snap fastener are the tongue-and-groove and tenon block that cooperatively interact.
4. adjustable dumbbell as claimed in claim 1, is characterized in that: described first snap fastener and the second snap fastener are the dovetail groove and dovetails that cooperatively interact.
5. adjustable dumbbell as claimed in claim 1, is characterized in that: formed between described slot to make way and ejection platform and lead cambered surface.
6. adjustable dumbbell as claimed in claim 1, is characterized in that: the end of described handle offers two to three pin-and-holes radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010554431.4A CN101985064B (en) | 2010-11-11 | 2010-11-11 | Gear shifting type dumbbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010554431.4A CN101985064B (en) | 2010-11-11 | 2010-11-11 | Gear shifting type dumbbell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101985064A CN101985064A (en) | 2011-03-16 |
| CN101985064B true CN101985064B (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010554431.4A Active CN101985064B (en) | 2010-11-11 | 2010-11-11 | Gear shifting type dumbbell |
Country Status (1)
| Country | Link |
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| CN (1) | CN101985064B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106466516B (en) * | 2015-08-21 | 2019-08-20 | 青岛智科机械制造有限公司 | Handle for dumbbell structure |
| CN106693278B (en) * | 2015-08-21 | 2019-10-29 | 青岛智科机械制造有限公司 | Novel dumbbell combination |
| CN108969977A (en) * | 2018-07-24 | 2018-12-11 | 蒋建 | A kind of dumbbell with quick regulating weight |
| CN109737933A (en) * | 2019-01-16 | 2019-05-10 | 李娜 | A kind of construction position fix subsidiary equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101090753A (en) * | 2004-12-13 | 2007-12-19 | Atd服务有限公司 | Dumbbell adjusting system |
| CN202005975U (en) * | 2010-11-11 | 2011-10-12 | 朗美(厦门)健身器材有限公司 | Weight-adjustable dumbbell |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7261678B2 (en) * | 2002-06-07 | 2007-08-28 | Nautilus, Inc. | Adjustable dumbbell system |
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2010
- 2010-11-11 CN CN201010554431.4A patent/CN101985064B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101090753A (en) * | 2004-12-13 | 2007-12-19 | Atd服务有限公司 | Dumbbell adjusting system |
| CN202005975U (en) * | 2010-11-11 | 2011-10-12 | 朗美(厦门)健身器材有限公司 | Weight-adjustable dumbbell |
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| Publication number | Publication date |
|---|---|
| CN101985064A (en) | 2011-03-16 |
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