CN203315644U - Anti-disengaging dumbbell - Google Patents
Anti-disengaging dumbbell Download PDFInfo
- Publication number
- CN203315644U CN203315644U CN2013202995458U CN201320299545U CN203315644U CN 203315644 U CN203315644 U CN 203315644U CN 2013202995458 U CN2013202995458 U CN 2013202995458U CN 201320299545 U CN201320299545 U CN 201320299545U CN 203315644 U CN203315644 U CN 203315644U
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- CN
- China
- Prior art keywords
- dumbbell
- slip
- assembling end
- plate
- preventing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an anti-disengaging dumbbell which is simple in structure, convenient to manufacture, safe and reliable. According to the technical scheme, the anti-disengaging dumbbell is provided with a dumbbell sheet and a dumbbell rod, wherein the two ends of the dumbbell rod are assembling ends. The anti-disengaging dumbbell is characterized in that the cross sections of the assembling ends are in a square shape, blind holes are formed in the assembling ends in the axial direction, internal threads are arranged in the blind holes, the dumbbell sheet is sleeved with the assembling ends, and the assembling ends are locked and fixed through special screws which are inserted into the blind holes. The anti-disengaging dumbbell is applicable to fitness equipment.
Description
Technical field
The utility model relates to a kind of slip-off preventing dumbbell.Be applicable to body-building apparatus.
Background technology
Dumbbell is a kind of for strengthening the simple equipment of muscle strength training, fixed weight arranged with two kinds of adjustable weight: 1. fixed weight dumbbell, with the pig iron, cast, centre is iron staff, two ends are solid ball; 2. adjustable dumbbell, the similar barbell dwindled, put at short iron staff two ends the round iron plate that weight does not wait, can adjustable weight when weight lifting or exercise.Adjustable dumbbell is because can regulating weight, so be widely used in each large gymnasium and family expenses, its dumbbell plate is mainly to fix by the jump ring at two ends or screwed fastener, and long-term use does not notice that there is the phenomenon come off in the words that check, and easily damage to the user.
The Chinese patent that the patent No. is 201120335284.1 provides a kind of dumbbell, comprise dumbbell plate and dumbbell club, the dumbbell club two ends respectively arrange a groove, also respectively be provided with a groove on the hollow wall of two dumbbell plates, the groove of dumbbell club is mutually corresponding with the groove on dumbbell plate, by snap ring, dumbbell club and dumbbell plate is installed together.Yet the dumbbell that this patent provides is installed comparatively trouble, uses inconvenience.
Summary of the invention
The technical problems to be solved in the utility model is: for the problem of above-mentioned existence, provide a kind of simple in structure, easy to make, safe and reliable slip-off preventing dumbbell.
The technical scheme that the utility model adopts is: a kind of slip-off preventing dumbbell, there is dumbbell plate and dumbbell bar, wherein dumbbell bar two is the assembling end, it is characterized in that: described assembling end section is square, and the assembling end axially has blind hole, internal thread processed in blind hole, the described dumbbell plate of assembling end suit, and the special type screw lock in being plugged in blind hole is fixed.
Described dumbbell plate central shaft is to having the through hole coordinated with dumbbell bar assembling end, and the dumbbell plate side is the radial groove that is shaped with centered by through hole.
The nut of described special type screw is circle sheet shape, and on the nut circumference, stay is equipped with in corresponding dumbbell plate upper groove position, and this stay and nut connect through the bearing pin rotatable pin.
Described stay is made by magnetic material.
On described dumbbell bar, cover has the rubber antiskid cover.
The beneficial effects of the utility model are: the utility model is simple in structure, easy to make, and square assembling end guarantees that dumbbell bar can not rotate, and coordinates special type screw nut locking dumbbell plate, safe and reliable.
The accompanying drawing explanation
The structural representation that Fig. 1 is embodiment.
The structural representation that Fig. 2 is dumbbell bar in embodiment.
The side view that Fig. 3 is dumbbell bar in embodiment.
The structural representation that Fig. 4 is dumbbell plate in embodiment.
The schematic diagram that Fig. 5, Fig. 6 are special type screw in embodiment.
The specific embodiment
As shown in Figure 1, the present embodiment is a kind of slip-off preventing dumbbell, has dumbbell bar 1 and dumbbell plate 2, wherein on dumbbell bar 1, cover has the rubber antiskid cover, and dumbbell bar two is assembling end 11, and assembling end 11 cross sections are square just, and assembling end 11 axially has blind hole, internal thread processed (seeing Fig. 2, Fig. 3) in blind hole.As shown in Figure 4, dumbbell plate 2 central shafts are to having and dumbbell bar assembling end 11 through holes that coordinate 21, and dumbbell plate 2 sides are radial centered by through hole is shaped with 4 grooves 22.Dumbbell plate 2 is set in the assembling end 11 of dumbbell bar 1, and the special type screw 3 in being plugged in dumbbell bar 1 blind hole is locked.
In this example, the nut 31 of special type screw 3 is circle sheet shape, and on nut 31 circumference, the stay 32 that 4 magnetic materials are made is equipped with in corresponding dumbbell plate 2 upper groove 22 positions, and this stay and nut 31 are through the rotatable pin joint of bearing pin 33.Special type screw 3 stay 32 after blind hole of packing into is inserted in groove 22, and is adsorbed on groove walls.
Certainly, above-mentioned explanation is not limitation of the utility model, and the utility model also is not limited to above-mentioned giving an example; those skilled in the art; in scope of the present utility model, the variation of making, change and add or replace, all should belong to protection domain of the present utility model.
Claims (5)
1. a slip-off preventing dumbbell, there is dumbbell plate (2) and dumbbell bar (1), wherein dumbbell bar (1) two is assembling end (11), it is characterized in that: described assembling end (11) cross section is square, and assembling end (11) axially has blind hole, internal thread processed in blind hole, assembling end (11) is set with described dumbbell plate (2), and the special type screw (3) in being plugged in blind hole is locked.
2. slip-off preventing dumbbell according to claim 1 is characterized in that: described dumbbell plate (2) central shaft is to having the through hole (21) coordinated with dumbbell bar assembling end (11), and dumbbell plate (2) side is the radial groove (22) that is shaped with centered by through hole.
3. slip-off preventing dumbbell according to claim 2, it is characterized in that: the nut (31) of described special type screw (3) is circle sheet shape, on nut (31) circumference, stay (32) is equipped with in corresponding dumbbell plate (2) upper groove (22) position, and this stay and nut (31) are through the rotatable pin joint of bearing pin (33).
4. slip-off preventing dumbbell according to claim 3, it is characterized in that: described stay (32) is made by magnetic material.
5. slip-off preventing dumbbell according to claim 1, is characterized in that: on described dumbbell bar (1), overlap the rubber antiskid cover is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202995458U CN203315644U (en) | 2013-05-28 | 2013-05-28 | Anti-disengaging dumbbell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202995458U CN203315644U (en) | 2013-05-28 | 2013-05-28 | Anti-disengaging dumbbell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203315644U true CN203315644U (en) | 2013-12-04 |
Family
ID=49655047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202995458U Expired - Fee Related CN203315644U (en) | 2013-05-28 | 2013-05-28 | Anti-disengaging dumbbell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203315644U (en) |
-
2013
- 2013-05-28 CN CN2013202995458U patent/CN203315644U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20140528 |