CN201050543Y - Rotation shaft with rocking-proof function - Google Patents

Abstract

The utility model relates to a rotating shaft with shakeproof function. The rotating shaft comprises a built-in fitting, an inner shaft housing, and an end seal and a removable piece. The built-in fitting is provided with a sleeve, an axel hole forms at the axial direction of the sleeve; the inner shaft housing is provided with at least one hollow bound ring; a through hole is arranged at the axial direction of the end seal, the circumference of the end seal is provided with a plurality of lug bosses which are appreciably ridgy, and the lug bosses are sleeved and fixed at one end of the axel hole; the removable piece is extended with a shaft lever axially, and the shaft lever is formed by traversing the through hole and being covered by the bound ring.

Description

The rotating shaft of tool anti-rock function

Technical field

The utility model is a kind of rotating shaft, refers to a kind of rotating shaft with anti-rock and leakproof functional oil especially.

Background technique

Consumption electronic products by general tool flip, such as portable computer, mobile phone, e-dictionary and portable video-audio playing device ... Deng, on the whole be that main part is placed Lower Half, and link by the cover body part of the rotating shaft and the first half, make cover body part with respect to main part, for it folding.Therefore, rotating shaft is a big essential factor of decision the said goods quality.

Promptly disclose a kind of " Two-Way Positioning Axial Device structure " for No. 420321 as the TaiWan, China patent announcement, the fixed base of this pivot device is made by metal ceramic, for increasing its abrasion performance characteristic, so it axially offers a joining hole, and connect in this joining hole end with the worker's shape groove that communicates, so that a majority spoon rack is inserted in this joining hole, and locate in worker's shape groove the end that forms with span bottom spoon rack.In addition the axostylus axostyle of a pivot is penetrated the axis hole of this majority spoon rack central authorities, to form a pivot structure.The fixed base of this pivot device combines with most spoon racks, and the means of fixation of a kind of soft metal foundry goods and hard friction tube spring support is provided really.

For preventing that lubricant oil between spoon rack and axostylus axostyle from being oozed out by the opening of joining hole or spill, so that be infected with dirt and influence the pivot of rotating shaft.More significant disadvantage then is, because of spoon rack is metal bending moulding, its lateral opening is not a proper circle, so that when the axostylus axostyle of pivot pivots in the perforate of spoon rack, and can produce the situation of rocking, and then cause the abrasion of two inter-modules to increase, really be a fly in the ointment.

Promptly disclose a kind of " pivot " for M296583 number as the TaiWan, China patent announcement, this pivot include the tool joining hole fixed base, reed pipe, pass reed pipe and together insert pivot in the joining hole of fixed base with it; Wherein, be arranged with an envelope on this pivot and end sheet, this envelope is ended the sheet outside and is provided with positioning block, and central authorities are provided with the perforation that wears for pivot, the internal diameter of this perforation is not more than the external diameter of pivot, and the joining hole opening of this fixed base is provided with the locating slot that ends the positioning block embedding location of sheet for the envelope of pivot.Therefore, end the joining hole that sheet embeds fixed base, can stop leaking of lubricant oil, and the perforation of its circular hole then passes through for pivot driving fit ground, rock to avoid pivot generation when pivoting by this envelope.No doubt, aforesaid patent case can be obtained the effect of anti-rock and leakage of oil.Yet, to consider down in making with the assembling procedure conduct, the locating slot that this envelope is ended the corresponding setting with joining hole of positioning block of sheet periphery projection must match, and this measure not only increases the precision of two inter-modules, and causes the degree of difficulty of assembling.Especially, this envelope is ended sheet only is incorporated into fixed base by the intercalation mode joining hole, if adaptation between the two is not good, promptly loses the anti-rock function.Therefore, how will seal and to end the opening end that sheet is incorporated into joining hole securely, be the difficult problem that relevant dealer demands urgently overcoming.

The model utility content

In view of this, this creation claimant this in the experience of being engaged in rotating shaft design and production and marketing for many years, the uncommon fixed base that can overcome aforementioned pivot device and envelope are ended sheet and are caused the difficulty of assembling easily because of adaptation is not good, and fail the critical defect of effective anti-rock, phase can be nested at least one end mounting the axis hole opening end of this fixed block, so that by combining securely of this end mounting and axis hole, make both unlikely disengagements, thereby obtain the effect of anti-rock and anti-leakage of oil, through experiment and test repeatedly, and then develop and " rotating shaft of tool anti-rock function " of the present utility model.

For reaching aforesaid purpose, the utility model provides a kind of rotating shaft of tool anti-rock function, and it comprises: a fixed block, and it has a sleeve, and this quill is to forming an axis hole; One internal axle sleeve, it has at least one hollow bunching ring; One end mounting, it axially offers a perforation, and periphery has the lug boss of most slightly raised, and it is a socket and an end that is fixed in axis hole; One movable part, it extends axially an axostylus axostyle, and this axostylus axostyle is to pass through this perforation and coated by this bunching ring to form.

The utility model secondary objective is to provide a kind of rotating shaft of tool anti-rock function, and wherein this aperture axis is to extending a caulking groove, and its side direction is offered at least one draw-in groove; And this bunching ring one end radially extends a sheet, and in addition end then forms an opening with the frame sheet, and corresponding each draw-in groove position, sheet surface is prominent establishes trip for this, and is to be socketed in axis hole, caulking groove and the draw-in groove with this bunching ring, frame sheet and trip.

Another purpose of the utility model is to provide a kind of rotating shaft of tool anti-rock function, wherein this fixed block is provided with a junction in addition, movable part then is provided with a convergence part in addition, and this joint and convergence part have at least one conjugate foramen respectively, perhaps mills face cylinder or polygon cylinder for tool.

The utility model purpose again is to provide a kind of rotating shaft of tool anti-rock function, and it comprises one second end mounting in addition, and it is socket and is fixed in the axis hole the other end, and axial perforation is passed through by axostylus axostyle.

The another purpose of the utility model is to provide a kind of rotating shaft of tool anti-rock function, and wherein the lug boss surface of this end mounting has the setting of embossing.

Another purpose of the utility model is to provide a kind of rotating shaft of tool anti-rock function, wherein should, wherein at least one tongue-and-groove/hole is offered on the frame sheet surface of this internal axle sleeve, then tool is aimed at this fixed block surface and carried out punching press with respect to these tongue-and-groove/hole sites, make this fixed block surface form at least one reentrant part, material after the distortion then intactly is full of in each tongue-and-groove/hole, to form the prominent tenon of one post/strip.

The beneficial effects of the utility model are:

" rotating shaft of tool anti-rock function " of the present utility model, its fixed base that can overcome aforementioned pivot device and envelope are ended sheet and are caused the difficulty of assembling easily because of adaptation is not good, and fail the critical defect of effective anti-rock, it is the axis hole opening end that at least one end mounting is nested in this fixed block, so that by combining securely of this end mounting and axis hole, make both unlikely disengagements, thereby obtain the effect of anti-rock and anti-leakage of oil.

Description of drawings

For further disclosing concrete technology contents of the present utility model, at first see also accompanying drawing, wherein:

Fig. 1 is the utility model rotating shaft first embodiment's a three-dimensional exploded view;

Fig. 2 is the embodiment illustrated in fig. 1 group of sectional drawing after upright;

Fig. 3 is the embodiment illustrated in fig. 1 group of stereogram after upright;

Fig. 4 is the utility model rotating shaft second embodiment's a three-dimensional exploded view;

Fig. 5 is the embodiment illustrated in fig. 4 group of sectional drawing after upright;

Fig. 6 is the embodiment illustrated in fig. 4 group of stereogram after upright.

Embodiment

As shown in Figure 1 to Figure 3, basically, rotating shaft of the present utility model is by a fixed block 1, one internal axle sleeve 2, one end mountings 3, and a movable part 4 combines.Wherein, be somebody's turn to do the operating state of " activity " and " fixing " and unrestricted above-mentioned two assemblies, when implementing, this movable part 4 also can be maintained fixed state, but produces spinning movement by fixed block 1.

Wherein, this fixed block 1 is a soft metal, the pedestal of zinc alloy institute's moulding after die casting for example, it has at least one joint 11, for being incorporated into an object, the main part of notebook computer for example, as shown in the figure, this joint 11 has at least one conjugate foramen 111, so that utilize known coupling unit, after for example screw passes through, and be locked in article.Only not as limit, this joint 11 can be tool and mills face cylinder, triangular prism, tetragonal prism ... etc. the polygon cylinder, but with intercalation and be positioned an object.

And joint 11 1 sides are extended a sleeve 12, and it axially opens an axis hole 13, this axis hole 13 radial communication one caulking groove 14, the draw-in groove 15 that its bottom horizontal-extending one is communicated with.

Internal axle sleeve 2 is that it is radially to extend a sheet 22 at least one hollow bunching ring 21 1 ends (fixed end) once the support body of bending, and end (movable end) then forms an opening 23 with this sheet 22 in addition, makes bunching ring 21 have the function of elastic telescopic.When desiring to combine, be the bunching ring 21 of internal axle sleeve 2 to be aimed at axis holes 13 together with frame sheet 22 and caulking groove 14 insertions get final product with fixed block 1.

One surface of this sheet 22 stamps out at least one trip 24, and it is to be installed in the draw-in groove 15 of caulking groove 14 lateral communications, make this internal axle sleeve 2 not reason movable part 4 rotation and vertically move.In addition, can firmly be incorporated in this fixed block 1 for making this internal axle sleeve 2, be with, at least one tongue-and-groove/hole 25 is offered on these sheet 22 surfaces in addition, as shown in the figure, it is to offer a mortise 25 below bunching ring 21.Be intercalated in the sleeve 12 of fixed block 1 when internal axle sleeve 2 after, tool can be aimed at this fixed block 1 surface with respect to these 25 positions, tongue-and-groove/hole, and carry out punching press, and make this fixed block 1 surface form a reentrant part (is not illustrate because of projection angle closes), material after the distortion then intactly is full of in each tongue-and-groove/hole 25, to form the prominent tenon of one post/strip, make 1 of this internal axle sleeve 2 and this fixed block that certain location is provided, and the reason axial force does not promptly form both fracture.

End sealing 3 is to be a ring body, and it axially offers a perforation 31, the aperture of this perforation 31 corresponding to after chat the external diameter of axostylus axostyle 43, pass through for it.For providing this end sealing 3 can be incorporated into the opening end of axis hole 13, be with, the prominent lug boss 32 of establishing most slightly raised of its periphery, as shown in the figure, can be incorporated into securely in the axis hole 13 for increasing this end sealing 3, and be coated, so its end face is equipped with embossing 33 by this axis hole 13, when it was socketed on axis hole 13 in the drive fit mode with box lunch, the embossing 33 of each lug boss 32 can form interference and fix in axis hole 13.

Movable part 4 is a body of rod, the convergence part 41 of one end is to be incorporated into another object, a support for example, so that be connected, as shown in the figure, when implementing, this convergence part 41 opens at least one conjugate foramen 411 with the cover body part of a notebook computer, to utilize known coupling unit, after for example rivet passes through support default frame hole and conjugate foramen 411, and, this support and movable part 4 are combined as a whole with this closing-up.Only this convergence part is not as limit, and it also can be tool and mills face cylinder, triangular prism, tetragonal prism ... etc. the polygon cylinder, but so that intercalation and be positioned article.

These movable part 4 rough stage casings are provided with an axle collar 42, and it extends axially an axostylus axostyle 43, and the surface has a curvilinear oil groove 44, and ccontaining for lubricant oil is to provide lubricated effect.

The utility model group is at first aimed at bunching ring 21, frame sheet 22 and the trip 24 of this internal axle sleeve 2 respectively and is inserted in the drive fit mode along axis hole 13, caulking groove 14 and draw-in groove 15 immediately.Should hold mounting 3 to be inserted in then, and utilize the embossing 33 of most lug bosses 32 of its periphery to be snapped at axis hole 13 inwalls, and form fixing by these axis hole 13 opening ends.Then, punching press is carried out in tongue-and-groove/hole 25 with tool secured in alignment part 1 internal frame sheet 22, make its Surface deformation and form reentrant part, and the material after the order distortion intactly forms a prominent tenon and is full of in each tongue-and-groove/hole 25, axostylus axostyle 43 with movable part 4 passes through the perforation 31 of end mounting 3 and is intercalated in bunching ring 21 at last, to form the fixing of fixed block 1, internal axle sleeve 2 and movable part 4, promptly finish the assembling of the utility model rotating shaft, make this end mounting 3 undertake the function of anti-rock and leakage of oil.

See also Fig. 4 to Fig. 6, that disclosed is second embodiment of the present utility model, its with before take off embodiment and know that difference is, it is that axis hole 13 two side ends at the sleeve 12 of fixed block 1 are equipped with an end mounting 3.And axostylus axostyle 43 middle section positions of movable part 4 are provided with a groove 45, make both sides form a friction section respectively.The utility model second embodiment's advantage is, the equal socket one end mounting 3 in these axostylus axostyle 43 two ends makes that anti-rock and anti-leakage of oil effect are better.

So, via enforcement of the present utility model, because at least one end mounting is to be coated in the axis hole of fixed block and fixing, its direction-free restriction when assembling, the while can be allowed and respectively be held sealing can be incorporated into axis hole one end securely by the embossing setting on the lug boss surface of most slightly raised, making and respectively holding mounting is after axostylus axostyle passes through, and have advantages such as anti-rock, anti-leakage of oil and firm position, and overcome scarce many shortcomings of prior art really, really be a ware big good structure not seen before.

That the utility model disclosed is a kind of of preferred embodiment, the change of every part or modification and come from technological thought of the present utility model and be have the knack of this technology the people was easy to know by inference, all do not take off patent right category of the present utility model.

Claims (7)

1. the rotating shaft of a tool anti-rock function is characterized in that it comprises:

One fixed block, it has a sleeve, and this quill is to forming an axis hole;

One internal axle sleeve, it has at least one hollow bunching ring;

One end mounting, it axially offers a perforation, and periphery has the lug boss of most slightly raised, and it is a socket and an end that is fixed in axis hole;

One movable part, it extends axially an axostylus axostyle, and this axostylus axostyle is to pass through this perforation and coated by this bunching ring to form.

2. the rotating shaft of tool anti-rock function as claimed in claim 1 is characterized in that, wherein this aperture axis is to extending a caulking groove, and its side direction is offered at least one draw-in groove; And this bunching ring one end radially extends a sheet, and in addition end then forms an opening with the frame sheet, and corresponding each draw-in groove position, sheet surface is prominent establishes trip for this, and is to be socketed in axis hole, caulking groove and the draw-in groove with this bunching ring, frame sheet and trip.

3. the rotating shaft of tool anti-rock function as claimed in claim 1, it is characterized in that wherein this fixed block is provided with a junction in addition, movable part then is provided with a convergence part in addition, this joint and convergence part have at least one conjugate foramen respectively, perhaps mill face cylinder or polygon cylinder for tool.

4. the rotating shaft of tool anti-rock function as claimed in claim 1 is characterized in that, it comprises one second end mounting in addition, and it is socket and is fixed in another side of axis hole, and axial perforation is passed through by axostylus axostyle.

5. as the rotating shaft of claim 1 or 4 described tool anti-rock functions, it is characterized in that wherein the lug boss surface of this end mounting has the setting of embossing.

6. the rotating shaft of tool anti-rock function as claimed in claim 1 is characterized in that, wherein this axostylus axostyle surface is provided with curvilinear oil groove.

7. the rotating shaft of tool anti-rock function as claimed in claim 1, it is characterized in that, wherein at least one tongue-and-groove/hole is offered on the frame sheet surface of this internal axle sleeve, and this fixed block surface is provided with at least one reentrant part relatively, the inner caulking groove of this fixed block because of the distortion of reentrant part to form prominent tenon, to fix the tongue-and-groove/hole of this internal axle sleeve.

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