CN203777580U - Rotary type dumbbell - Google Patents
Rotary type dumbbell Download PDFInfo
- Publication number
- CN203777580U CN203777580U CN201420042184.3U CN201420042184U CN203777580U CN 203777580 U CN203777580 U CN 203777580U CN 201420042184 U CN201420042184 U CN 201420042184U CN 203777580 U CN203777580 U CN 203777580U
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- Prior art keywords
- connecting rod
- counterweight
- district
- handle
- groove
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Abstract
The utility model relates to a rotary type dumbbell, which is provided with a grip handle, two rotary assemblies, a connecting rod and two weight assemblies, wherein the grip handle is provided with a through-formed connecting rod penetrating hole and edge grooves, the edge grooves are arranged at the two end surfaces of the grip handle, two ball bearings of the rotary assemblies are respectively arranged in the two edge grooves, the connecting rod is pivoted in the connecting rod penetrating hole in the grip handle and is clamped with the two ball bearings, a weight of each weight assembly is provided with a center hole and a plurality of eccentric holes, and the weights are respectively and fixedly arranged at the two ends of the connecting rod through one hole. When the rotary type dumbbell swings under the action of external force, the weight assemblies and the connecting rod generate pivoting in the grip handle through the ball bearings, and the force generated by the weight assemblies during pivoting is fed back, so as to assist the training of different muscle groups.
Description
Technical field
The utility model is a kind of weight training equipment, is espespecially a kind ofly provided with the rotary dumbbell that rotating function carrys out supplemental training muscular strength.
Background technology
Dumbbell is a kind of heavy instruction equipment, the structure of dumbbell forms and comprises one handle, two weight blocks, handle can be a whippletree structure, weight block is generally the hardware of disc type, two weight blocks are installed in respectively the both sides of handle, the stage casing part of handle is user's gripping place, when heavily instructing, user grips dumbbell, and stretch, lift and the action such as translation for different muscle groups, by the training of this heavy burden, can promote muscular strength and the group that tones up the muscles, existing dumbbell can be adjusted according to user's training strength the heavy burden of dumbbell in addition.
Yet existing dumbbell, when weight training, need carry out specific training action for muscle group to be trained, therefore cannot carry out the training of different muscle groups at one time.
Utility model content
Because the shortcoming of aforesaid prior art, the utility model is improved existing dumbbell, makes the weight block of dumbbell partly possess rotating function, and different muscle groups is trained in the feedback of the inertia force producing while rotating by weight block.
For reaching the object of above-mentioned utility model, the technological means that the utility model adopts is for providing a kind of rotary dumbbell, and it comprises:
One handle, it has a connecting rod perforation and both sides groove, and connecting rod perforation runs through handle, and both sides groove respectively indent is formed on two walls of handle and is connected with connecting rod perforation;
Two runner assemblies, it is arranged in handle, and two runner assemblies are loaded in respectively in the groove of both sides;
One connecting rod, it is located in the connecting rod perforation and two runner assemblies of handle, and the both ends of connecting rod stretch out respectively the two ends of handle;
Two weight assemblies, it is socketed on connecting rod, and weight assembly has counterweight, and counterweight is installed in the projection of connecting rod on the end in handle outside.
Described rotary dumbbell, wherein counterweight is provided with a centre bore and a plurality of eccentric orfice, centre bore hole formed therethrough is in the wall centre of counterweight, each eccentric orfice hole formed therethrough is on the wall of counterweight and depart from the central point of counterweight, and the end of connecting rod wears and is combined in the centre bore of this counterweight or wherein in an eccentric orfice.
Described rotary dumbbell, wherein the eccentric orfice of counterweight has different eccentric distances.
Described rotary dumbbell, wherein the external diameter at the both ends of handle is greater than the external diameter of center section part, each runner assembly has a ball bearing and a fixed cover, this ball bearing is loaded in the limit groove of handle, this fixed cover is fastened in corresponding ball bearing, the size of the annular inner rim face of fixed cover is equal to the size of the connecting rod perforation of handle, and the inner ring surface of ball bearing and outer ring surface are combined with fixed cover and limit groove respectively.
Described rotary dumbbell, wherein connecting rod has an engaging district and two locking districts, engaging district is positioned at the stage casing of connecting rod, engaging district is hubbed in connecting rod perforation and engages both ends of the surface difference clamping two fixed covers in district, between the wall of the outside wall surface in engaging district and connecting rod perforation, be provided with spacing, two locking districts extend respectively in the both ends of the surface that are formed in engaging district and projection in the outside of handle, the external diameter that the external diameter in locking district is less than engaging district makes to be formed with an end difference between the two, two fixed covers respectively clamping are arranged on the end difference of the both ends of the surface that engage district, the locking district of connecting rod is with the centre bore of counterweight or wherein an eccentric orfice is combined.
Described rotary dumbbell, the district that wherein respectively locks has screw thread, threaded collar is around being formed in the outside wall surface in locking district, each weight assembly has two first nuts, two second nuts and four packing rings, the first nut be installed on the screw thread in locking district and a side wall surface of the first nut against fixed cover, the opposite side wall of the first nut is formed with the first annular groove towards counterweight and on this side wall surface, the second nut is installed on the screw thread in locking district, counterweight is between the second nut and the first nut, the second nut is formed with the second annular groove towards a side wall surface of counterweight, each packing ring is arranged in corresponding the first annular groove and the second annular groove, closely recline the respectively two side walls of counterweight of each packing ring.
Described rotary dumbbell, wherein connecting rod has two geometrical clamps, each district that locks establishes a groove, this groove is arranged on the wall in locking district and is positioned at the end of connecting rod, two geometrical clamps respectively clampings in corresponding groove.
Described rotary dumbbell, wherein packing ring is quality of rubber materials.
Rotary dumbbell of the present utility model, be provided with a connecting rod and a runner assembly, two ball bearings of runner assembly are loaded in respectively in the both sides groove of handle, make again connecting rod be hubbed in handle and clamping two ball bearings, and be provided with weight assembly, when rotary dumbbell is subject to the swing of external force, connecting rod and weight assembly can produce pivotable with respect to handle because of the inertia effects swinging, utilize connecting rod to select to be positioned at the centre bore of counterweight or a wherein place of eccentric orfice of weight assembly, while making user drive weight assembly pivotable carrying out muscular training, the FORCE FEEDBACK producing can the different muscle group of supplemental training.
Accompanying drawing explanation
Fig. 1 is part combination section of the present utility model.
Fig. 2 is element exploded view of the present utility model.
Fig. 3 is that counterweight centre bore of the present utility model wears constitutional diagram.
Fig. 4 is that counterweight eccentric orfice of the present utility model wears constitutional diagram.
Drawing reference numeral explanation
10 handle 11 connecting rod perforation
12 limit groove 20 runner assemblies
21 ball bearing 22 fixed covers
30 connecting rod 31 engaging districts
32 locking district 321 screw threads
322 groove 33 geometrical clamps
40 weight assembly 41 counterweights
411 centre bore 412 eccentric orfices
42 first nut 421 first annular grooves
43 second nut 431 second annular grooves
44 packing rings
The specific embodiment
Below coordinate accompanying drawing and preferred embodiment of the present utility model, further setting forth the utility model is to reach the technological means that predetermined utility model object is taked.
Refer to shown in Fig. 1 and Fig. 3, rotary dumbbell of the present utility model includes a handle 10, two runner assemblies 20, a connecting rod 30 and two weight assemblies 40.
Refer to shown in Fig. 1 and Fig. 2, aforesaid handle 10 is an elongated body of rod, the external diameter at these handle 10 both ends is greater than the external diameter of center section part, it has connecting rod perforation 11 and a both sides groove 12, connecting rod perforation 11 is formed in the shaft core position of handle 10 and runs through handle 10, both sides groove 12 respectively indent is formed in the both ends of the surface of handle 10, and this limit groove 12 is connected with connecting rod perforation 11.
Aforesaid two runner assemblies 20 are arranged in handle 10, each runner assembly 20 has a ball bearing 21 and a fixed cover 22, two ball bearings 21 are loaded in respectively in the both sides groove 12 of handle 10, two fixed covers 22 are fastened on respectively in corresponding ball bearing 21, the size of the annular inner rim face of this fixed cover 22 is equal to the size of the connecting rod perforation 11 of handle 10, the inner ring surface of ball bearing 21 and outer ring surface respectively with fixed cover 22 and 12 combinations of limit groove.
Aforesaid connecting rod 30 is arranged in the connecting rod perforation 11 of handle 10, it has an engaging district 31, two locking district 32 and two geometrical clamps 33, engaging district 31 is positioned at the stage casing of connecting rod 30, two locking districts 32 are positioned at the both ends of connecting rod 30 and projection in the outside of handle 10, the external diameter that the external diameter in this locking district 32 is less than engaging district 31 makes to be formed with an end difference between the two, engaging district 31 is hubbed in the connecting rod perforation 11 of handle 10, this connecting rod 30 can relatively rotate with this handle 10, this two fixed cover 22 respectively clamping is arranged on the end difference of the both ends of the surface that engage district 31, between the wall of the outside wall surface in engaging district 31 and connecting rod perforation 11, be provided with spacing, locking district 32 is provided with screw thread 321 and groove 322, screw thread 321 is around being formed in the outside wall surface in locking district 32, groove 322 is arranged in the outside wall surface in locking district 32 and the outside that is positioned at screw thread 321 is positioned at the end of connecting rod 30, two geometrical clamps 33 difference clampings are in the groove 322 in corresponding locking district 32.
Aforesaid weight assembly 40 is located on connecting rod 30, it has a plurality of counterweights 41, two first nuts 42, two second nuts 43 and four packing rings 44, each counterweight 41 is provided with a centre bore 411 and a plurality of eccentric orfice 412, centre bore 411 hole formed therethrough are in the wall centre of counterweight 41, each eccentric orfice 412 hole formed therethrough are on the wall of counterweight 41 and depart from the central point of counterweight 41, in a preferred embodiment, by departing from the change of the distance at counterweight 41 centers, can form the eccentric orfice 412 of different eccentric distances, the locking district 32 of connecting rod 30 is in conjunction with the centre bore 411 of counterweight 41, as shown in Figure 3, or select by the locking district 32 of connecting rod 30 the wherein eccentric orfice 412 in conjunction with counterweight 41, as shown in Figure 4, this first nut 42 be installed on the screw thread 321 in locking district 32 and a side wall surface of the first nut 42 against fixed cover 22, the opposite side wall of the first nut 42 is formed with the first annular groove 421 towards counterweight 41 and on this side wall surface, the second nut 43 is installed on the screw thread 321 in locking district 32, counterweight 41 is between the second nut 43 and the first nut 42, the second nut 43 is formed with the second annular groove 431 towards a side wall surface of counterweight 41, each packing ring 44 is arranged in corresponding the first annular groove 421 and the second annular groove 431, this packing ring 44 can be quality of rubber materials and makes, closely recline the respectively two side walls of counterweight 41 of each packing ring 44.
Refer to shown in Fig. 3 and Fig. 4, counterweight 41 quantity that are installed in two locking districts 32 of connecting rod 30 can increase and decrease according to the needs of training, counterweight 41 can change by centre bore 411 or eccentric orfice 412 size of the FORCE FEEDBACK of rotary dumbbell, when counterweight 41 is installed in the locking district 32 of connecting rod 30 with centre bore 411, this counterweight 41 is subject to rotary dumbbell to swing the inertia effects producing less, the training strength of this enforcement state is lower, be applicable to beginner, when counterweight 41 is installed in the locking district 32 of connecting rod 30 with eccentric orfice 412, during swing rotary formula dumbbell, it is larger that counterweight 41 is subject to swinging the inertia effects producing, therefore counterweight 41 can produce pivotable with connecting rod 30 with respect to handle 10 because being subject to the impact of inertia force, the FORCE FEEDBACK that this causes for inertia pivotable, can be at training muscle group of supplemental training different parts in the lump during main muscle group by this FORCE FEEDBACK.
By the combination of runner assembly 20, connecting rod 30 and weight assembly 40, form a rotary dumbbell, when rotary dumbbell swings, can make by the impact of inertia the utility model all the other elements except handle 10 produce pivotable, utilize the muscle group of the FORCE FEEDBACK supplemental training different parts that this pivotable produces, compared to existing fixing type dumbbell, rotary dumbbell of the present utility model has more fully trains effect.
The above is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet not in order to limit the utility model, any those skilled in the art, within not departing from the scope of technical solutions of the utility model, should utilize the technology contents of above-mentioned announcement to make a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solutions of the utility model, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (9)
1. a rotary dumbbell, is characterized in that, comprises:
One handle, it has a connecting rod perforation and both sides groove, and connecting rod perforation runs through handle, and both sides groove respectively indent is formed on two walls of handle and is connected with connecting rod perforation;
Two runner assemblies, it is arranged in handle, and two runner assemblies are loaded in respectively in the groove of both sides;
One connecting rod, it is located in the connecting rod perforation and two runner assemblies of handle, and the both ends of connecting rod stretch out respectively the two ends of handle;
Two weight assemblies, it is socketed in respectively on connecting rod, and weight assembly has counterweight, and this counterweight is installed in the projection of connecting rod on the end in handle outside.
2. rotary dumbbell according to claim 1, it is characterized in that, counterweight is provided with a centre bore and a plurality of eccentric orfice, centre bore hole formed therethrough is in the wall centre of counterweight, each eccentric orfice hole formed therethrough is on the wall of counterweight and depart from the central point of counterweight, and the end of connecting rod wears and is combined in the centre bore of this counterweight or wherein in an eccentric orfice.
3. rotary dumbbell according to claim 2, is characterized in that, the eccentric orfice of counterweight has different eccentric distances.
4. according to the rotary dumbbell described in any one in claims 1 to 3, it is characterized in that, the external diameter at the both ends of handle is greater than the external diameter of center section part, each runner assembly has a ball bearing and a fixed cover, this ball bearing is loaded in the limit groove of handle, this fixed cover is fastened in corresponding ball bearing, and the size of the annular inner rim face of fixed cover is equal to the size of the connecting rod perforation of handle, and the inner ring surface of ball bearing and outer ring surface are combined with fixed cover and limit groove respectively.
5. rotary dumbbell according to claim 4, it is characterized in that, connecting rod has an engaging district and two locking districts, engaging district is positioned at the stage casing of connecting rod, engaging district is hubbed in connecting rod perforation and engages both ends of the surface difference clamping two fixed covers in district, between the wall of the peripheral wall in engaging district and connecting rod perforation, be provided with spacing, two locking districts extend respectively in the both ends of the surface that are formed in engaging district and projection in the outside of handle, the external diameter that the external diameter in locking district is less than engaging district makes to be formed with an end difference between the two, two fixed covers respectively clamping are arranged on the end difference of the both ends of the surface that engage district, the locking district of connecting rod is with the centre bore of counterweight or wherein an eccentric orfice is combined.
6. rotary dumbbell according to claim 5, it is characterized in that, each district that locks has screw thread, threaded collar is around being formed in the outside wall surface in locking district, each weight assembly has two first nuts, two second nuts and four packing rings, the first nut be installed on the screw thread in locking district and a side wall surface of the first nut against fixed cover, the opposite side wall of the first nut is formed with the first annular groove towards counterweight and on this side wall surface, the second nut is installed on the screw thread in locking district, counterweight is between the second nut and the first nut, the second nut is formed with the second annular groove towards a side wall surface of counterweight, each packing ring is arranged in corresponding the first annular groove and the second annular groove, closely recline the respectively two side walls of counterweight of each packing ring.
7. rotary dumbbell according to claim 6, is characterized in that, connecting rod has two geometrical clamps, and each district that locks establishes a groove, and this groove is arranged on the wall in locking district and is positioned at the end of connecting rod, two geometrical clamps respectively clampings in corresponding groove.
8. rotary dumbbell according to claim 6, is characterized in that, packing ring is quality of rubber materials.
9. rotary dumbbell according to claim 7, is characterized in that, packing ring is quality of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042184.3U CN203777580U (en) | 2014-01-23 | 2014-01-23 | Rotary type dumbbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420042184.3U CN203777580U (en) | 2014-01-23 | 2014-01-23 | Rotary type dumbbell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203777580U true CN203777580U (en) | 2014-08-20 |
Family
ID=51313815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420042184.3U Expired - Fee Related CN203777580U (en) | 2014-01-23 | 2014-01-23 | Rotary type dumbbell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203777580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307042A (en) * | 2022-01-11 | 2022-04-12 | 浪尖设计集团有限公司 | Bamboo dumbbell of multiple counter weight |
-
2014
- 2014-01-23 CN CN201420042184.3U patent/CN203777580U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307042A (en) * | 2022-01-11 | 2022-04-12 | 浪尖设计集团有限公司 | Bamboo dumbbell of multiple counter weight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20170123 |