CN2821255Y - Pivot device of press type structure - Google Patents

Abstract

The utility model provides a pivot device of a lifting type structure, which mainly comprises a butting shaft component and a sheathing shaft component, wherein a butting ring surface is arranged at the connection position of an insertion part and a locking part of the butting shaft component; a dissection groove of an insertion part body is cut in an axial direction; a positioning bulge loop ring is arranged between an insertion part and the insertion part contacted with the butting ring surface; when the insertion part is combined with the sheathing shaft component, the positioning bulge loop ring is mutually embedded with a concave-ring slot to have the effect of positioning. Thus, the utility model has a torsion force structure with optimal combination; in addition, the dissection groove is not completely communicated with the front and the back ends of the insertion part; accordingly, when the insertion part is combined and embedded with the sheathing shaft component, the outer diameter of the insertion part is kept unchangeable.

Description

The pivot of liftable structure

Technical field

The utility model relates to that a kind of the butt joint that provides by two assemblies pivots mutually and the pivot that reaches the liftable structure that forms torsion generation structure for being located at pivot on the liftable lid, particularly relating to.

Background technique

At present, usually its screen loam cake must be started when using mobile computer, make the screen loam cake can be opened into the best and watch use angle, the general various variation of hinge device structure, on conventional construction modal a kind of be to have the torque force device of being formed with two hinge unit, wherein the columnar portion of a hinge unit one extension has a base portion and an end, and this end extends to the outer end by axial inner ends always and does and diverge to shape, is formed on inner position coupled condition; And another hinge unit has hollow cylinder, can be for combining with another hinge unit socket; When two hinge unit sockets in conjunction with the time, because the formed structure of diverging in a hinge unit wherein, make this end be out of shape because of the property inserted extruding easily in the time of in placing hollow cylinder, frictional force reduces between relative and hollow cylinder inwall, makes the screen loam cake can't reach good hinge function when pivoting.

Defective in view of conventional construction, so there is the dealer further to research and develop another torque force device, can be with reference to No. the 92211795th, TaiWan, China number of patent application, name is called " torque force device ", this patent application structure characteristic is: it includes two connection parts, wherein first connection part have can with first cylindrical part of another connection part fixing, this cylindrical part is provided with a fracture portion of running through this cylindrical shell body; Second connection part has second cylindrical part of a tool containing space, and during in conjunction with first, second connection part, what first cylindrical part can resiliently deformable is placed among second cylindrical part.

Owing to have a base portion and free end along first cylindrical part, by axially the be provided with fracture portion of running through first cylindrical part of free end along first cylindrical part, this fracture portion is a straight line, makes the cylindrical part of winning be essentially C type section, that is does not have connecting end on the first cylindrical part periphery.Because therefore the connecting end of not having on the first cylindrical part periphery, still still can produce as the not good situation of torsion in the conventional construction, so the practicability of product still haves much room for improvement during with the second cylindrical part socket actual.

Summary of the invention

Main purpose of the present utility model is the defective that overcomes above-mentioned prior art, a kind of pivot of the liftable structure that simplifies the structure is provided, reach structure with torsion with the manufacture cost of simplifying most, and the profile groove that is provided with is that the portion front end and back end is inserted in non-perforation, therefore the portion of inserting is combined when being nested with socket axle spare, can also keep external diameter and indeformable.

The pivot of the liftable structure that provided is provided a time purpose of the present utility model, it provides and prevents that abutment shaft spare and socket axle spare from producing the structure that breaks away from, establish with the concave ring groove of positioning convex ring circle and socket axle spare chimeric mutually by socket axle spare, can further reach satisfactory texture butt joint effect, more can promote the smoothness when pivoting.

The purpose of this utility model realizes by following technical proposals, the pivot of liftable structure provided by the utility model, it mainly includes abutment shaft spare and socket axle spare, wherein this abutment shaft spare one side have can with the fixing locking part of product, side is the portion of inserting in addition, and this socket axle spare is provided with the locking part, can fix with the mutual interlocking of electronic product, the other end of locking part is for being integrally formed with cylindrical shell, and this cylindrical shell has can be for the interior tank of the portion of inserting that is nested with abutment shaft spare; It is characterized in that: the portion of inserting is provided with the joint, locking part and docks anchor ring, inserts portion's body and dissects a profile groove with axial direction, is connected inserting in the portion of touching between the portion of inserting with the butt joint anchor ring, for being provided with the positioning convex ring circle; The opening end inner edge in the cylindrical shell outside is provided with concave ring groove, can be for inserting the set positioning convex ring circle of portion when abutment shaft spare combines with socket axle spare, and positioning convex ring circle and concave ring groove are rabbeted the location mutually.

With regard to other purpose of the present utility model and detailed structure, will make it clearer and more definite by following detailed description below, and consult appended each figure simultaneously, it is clear that technology contents of the present utility model is further disclosed.

Description of drawings

That shown in Figure 1 is stereoscopic figure of the present utility model;

Shown in Figure 2 is exploded perspective view of the present utility model;

Shown in Figure 3 is structural plan of the present utility model schematic representation;

Shown in Figure 4 is the portion of the inserting fragmentary perspective cross sectional view of the utility model abutment shaft spare;

Shown in Figure 5 is according to the 3rd A-A cutting line shown in Figure 3 and arrow direction look sectional drawing;

Shown in Figure 6 is according to C-C cutting line shown in Figure 3 and arrow direction look sectional drawing;

Shown in Figure 7 is another enforcement structural perspective of locking part of the utility model abutment shaft spare.

Symbol description: 1 abutment shaft spare; 11,11 ' locking part; 12 insert portion; 121 connect face; 122 profile grooves; 123 positioning convex ring circles; 2 socket axle spares; 21 locking parts; 22 cylindrical shells; Tank in 221; 222 scrobicular ring ditches.

Embodiment

See also Fig. 1 to shown in Figure 4, the pivot of liftable structure of the present utility model mainly is to can be applicable to mobile computer, or any needs are established the electronic product with the drawing-pushing type structure.

The pivot of liftable structure of the present utility model includes abutment shaft spare 1 and socket axle spare 2, and wherein an object (as: abutment shaft spare 1) is if combine with the screen loam cake, and another object (as: socket axle spare 2) is promptly fixed with the main frame body.In the embodiment of institute's diagrammatic sketch, this abutment shaft spare 1 one sides have can with the fixing locking part 11 of product, side is the portion of inserting 12 in addition, this is inserted portion 12 and is provided with 11 joints, locking part and docks anchor ring 121, with butt joint anchor ring 121 serves as that other portion of inserting 12 of side one connection of differentiation is cylindric for being one, this is inserted portion's 12 bodies and dissects a profile groove 122 with axial direction, this profile groove 122 and non-through front and rear are gone into portion's 12 bodies, then be to connect diametric plane outside it, be connected in the portion of inserting 12 that touches with butt joint anchor ring 121 between the portion of inserting 12, for being provided with positioning convex ring circle 123.

This socket axle spare 2 is provided with locking part 21, can fix with the mutual interlocking of electronic product, and the other end of locking part 21 is for being integrally formed with cylindrical shell 22, and the opening end inner edge in these cylindrical shell 22 outsides is provided with concave ring groove 222; And this cylindrical shell 22 has can be for the interior tank 221 of the portion of inserting 12 that is nested with abutment shaft spare 1, and inserting portion 12 is to calculate through accurate with interior tank 221 cover its adaptations of postpone and gap, can produce good interaction to each other.

See also Fig. 5 and shown in Figure 6 again, when abutment shaft spare 1 makes up mutually with socket axle spare 2, force in abutment shaft spare 1 and it is inserted combination in socket axle spare 2 cylindrical shells 22 with instrument, and for preventing that abutment shaft spare 1 and socket axle spare 2 break away from, positioning convex ring circle 123 set in the portion of inserting 12 can both in conjunction with the time, make positioning convex ring circle 123 and concave ring groove 222 rabbets mutually, in case disengaging during the hinge action.

Owing to insert portion's 12 set profile grooves 122 is not to make that inserting portion 12 front and back all cuts open, the portion of inserting 12 is possessed formerly external diameter is set and rigidity can have elasticity concurrently again, and profile groove 122 is inserted when combining with interior tank 221 in the portion of inserting 12, makes under the situation of not destroying the portion's of inserting 12 external diameters and elastic force is provided.

When using this pivot, make and utilize its external diameter edge face between interior tank 221 inwalls, to produce friction torsion by the portion of inserting 12, the loam cake that is started can be started put the several angle stop.

In addition, in another embodiment shown in Figure 7, wherein in response to the design form of various electronic products, any shape of arranging in pairs or groups in the locking part 11 of abutment shaft spare 1 ' also can be; Certainly the locking part 21 of socket axle spare 2 also can be done the change of structure according to product structure design.

According to the above, the pivot of liftable structure of the present utility model set profile groove 122 on abutment shaft spare 1 is with conventional construction difference greatly to be arranged, conventional construction again with two assemblies in conjunction with the time in the application of force, make connection part produce distortion easily with opening end, so that make that friction torsion is influenced, and then the loam cake of rotation can't effectively promptly be located after opening several angle.Because the pivot of liftable structure provided by the utility model can reach the use value and the effect of expection really by its structure, compared to the connection part form of commonly using the solid standard of product, the utility model can have bigger advantage and progressive effect.

In sum; embodiment of the present utility model really can reach the use effect of expection; yet; the above only is preferred embodiment of the present utility model; such as be familiar with equivalence that the personage Fan Yi spirit of the present utility model of skill of the present utility model made and modify or change, all should be encompassed in the claimed claim of the application.

Claims (2)

1, a kind of pivot of liftable structure, it mainly includes abutment shaft spare and socket axle spare, wherein this abutment shaft spare one side have can with the fixing locking part of product, side is the portion of inserting in addition, this socket axle spare is provided with the locking part, can fix with the mutual interlocking of electronic product, the other end of locking part is for being integrally formed with cylindrical shell, and this cylindrical shell has can be for the interior tank of the portion of inserting that is nested with abutment shaft spare; It is characterized in that:

The portion of inserting is provided with the joint, locking part and docks anchor ring, inserts portion's body and dissects a profile groove with axial direction, is connected inserting in the portion of touching between the portion of inserting with the butt joint anchor ring, is provided with the positioning convex ring circle;

The opening end inner edge in the cylindrical shell outside is provided with concave ring groove, and when abutment shaft spare combined with socket axle spare, positioning convex ring circle and concave ring groove were rabbeted the location mutually for the set positioning convex ring circle of the portion of inserting.

2, the pivot of liftable structure according to claim 1 is characterized in that the profile groove of the portion of inserting and non-through front and rear go into portion's body, then is to connect diametric plane outside it.

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