CN201190725Y

CN201190725Y - Composite structure for universal joint

Info

Publication number: CN201190725Y
Application number: CNU2008203005971U
Authority: CN
Inventors: 江素真
Original assignee: Kinpo Electronics Inc
Current assignee: Kinpo Electronics Inc
Priority date: 2008-04-22
Filing date: 2008-04-22
Publication date: 2009-02-04
Anticipated expiration: 2018-04-22

Abstract

The utility model relates to a universal joint composite structure which comprises a base seat provided with a ball-shaped joint, a cap seat, an elastic piece and a fixing seat, wherein, the cap seat comprises a plurality of claw parts and a recess defined by the claw parts to detain the ball-shaped joint; the elastic piece can be disassembled on the claw parts of the cap seat to press the detaining state of the recess and the ball-shaped joint; the fixing seat defines a through hole and a bottom, and contains the cap seat and the elastic piece to ensure the cap seat and the elastic to be fixed on a product; the product is permitted to adjust the angle or position at will, therefore, the purposes that the composite state of a universal joint can be regularly close-grained or the composite gap is minimized can be achieved.

Description

The universal joint composite structure

Technical field:

The utility model relates to a kind of composite structure of universal joint; Be meant especially and a kind ofly have cap seat, elastic component and fixed base and wait the novel composite structure cooperate with ball joint.

Background technique:

Using ball joint and be embedded on products such as GPS, display device, image capture portion (for example CCD, CMOS camera lens), digital frame, make rotatable universal joint or the rotating shaft of adjusting angle of described product, has been prior art.For example, Fig. 1 has disclosed a typical embodiment; The plastic casing of display device or camera lens 10 is provided with the groove 12 that a depression 11 and has several screws 13.One has the retaining ring 30 of several screws 31, and corresponding above-mentioned groove 12 and screw 13 are sealed through screw 32, ball joint 22 restrictions of rotating shaft 21 is detained in depression 11 the insides, but allow that display device or camera lens 10 rotate adjustment angle or positions.The other end of rotating shaft 21 is provided with screw section 23, can be sealed with pedestal 20.

Just as those are had the knack of known to the people of this technology, this embodiment in use for some time, ball joint 22 cooperates with depression 11, there is loosening situation in regular meeting; This is that the cooperating structure of parts such as ball joint 22, depression 11, groove 12 causes because of the phenomenon that plastic materials expands with cold and contracts with heat.

In order to improve above-mentioned problem, prior art has also disclosed a kind of application ball joint inside clamping trough, tapped through hole pivot joint connecting rod has been set, and be connected part and several seal washers etc., and mutual group is dressed up the means of a universal joint.For example, No. 96215867 " universal joints structure of compound angle " patent case of TaiWan, China provides a feasible embodiment.But this technology is cumbersome in manufacturing, processing operation and assembly; It cooperates with products such as display device, image capture portion, digital frame, also need to make different assembling fittings in addition according to the purposes of each product, or change the structural design of this link, or on products such as display device, image capture portion, digital frame, special assembling structure is set.

In No. 94201459 " universal joint improved structure " patent case of TaiWan, China, a kind of assembly means that are different from the universal joint of old law are provided; This technology one between an inner body wall and ball joint penetrates the chimeric cover of a colloid, and the chimeric cover of colloid has resistance to be decided flange and combine with the groove of body, and chimeric being enclosed within the body of colloid can not become flexible.

Representational, these reference datas have shown the designing technique in relevant universal joint and composite structure thereof; They also reflect these universal joints in the situation of using, and still some problem can be improved.If universal joint and its composite structure are considered in the overline design, make its structure be different from prior art, can change its use kenel, and be different from old law.For example, its structure and Combination Design are being met under the condition that a long-term use also is not easy to become flexible, can be fit to be applied on the products such as display device that we mention, image capture portion, digital frame, or be convenient to and means such as these product combinations; And these problems are not all specifically disclosed or teaching in above-mentioned patent case.

The model utility content:

Technical problem to be solved in the utility model is: at above-mentioned the deficiencies in the prior art, provide a kind of universal joint composite structure, the assembled state that makes universal joint that can be regular is consolidation more, or makes their combinational gap be reduced to minimum.

In order to solve the problems of the technologies described above, the technological scheme that the utility model adopted is: a kind of universal joint composite structure is characterized in: it comprises a cap seat, an elastic component, reaches a fixed base, and this cap seat has at least one claw; Claw and cap seat define a depression of detaining a ball joint; This elastic component is fitted on this cap seat claw, to adjust the detention state of depression and ball joint; This fixed base defines a through hole and a bottom, accommodates this cap seat and elastic component, and they are fixed on the product jointly, but allows that described product can adjust angle or position arbitrarily.

So, this structure utilization has the cap seat of claw, groove and the restriction of elastic component cooperates, adjust, packing this accommodate the depression scope of ball joint, make this composite structure can not only effectively dwindle combinational gap, and in long-term the use, also can not produce loosening situation; And this composite structure can make this screw or its analog be hidden in the product the inside; Therefore, the overall structure combination is more attractive in appearance.

For novelty, the characteristics that the utility model had, and other purpose and effect, will cooperate appended graphic explanation in detail hereinafter, and be tending towards understanding; As shown in the figure:

Description of drawings:

Fig. 1 is embodiment's schematic representation of known universal joint.

Fig. 2 is the utility model STRUCTURE DECOMPOSITION schematic representation.

Fig. 3 is the utility model and product mix embodiment's a cross-sectional schematic.

Fig. 4 is the operation embodiment schematic representation of Fig. 3.

Label declaration:

10 display devices or camera lens 11,42 depressions

12 grooves, 13,31 screws

21 rotating shafts of 20 pedestals

22 ball joint, 23 screw sections

30 retaining rings, 32 screws

40 cap seats, 41 claws

43 grooves, 44 shoulders

45 keyholes, 50 elastic components

51 breach, 60 fixed bases

61 through holes, 62 bottoms

63 hitching posts, 64 fingers

65 upper ends, 66 joints

70 products, 71 housings

72 openings, 73 walls

80 screws or its analog

Embodiment:

See also Fig. 2 and Fig. 3, the utility model is the universal joint composite structure, comprises that one has the pedestal 20 of rotating shaft 21 and ball joint 22; In adopting embodiment, therefore the kenel that the structure organization of this pedestal 20, rotating shaft 21 and ball joint 22 is formed in one, slightly is different from above-mentioned prior art and uses the structure kenel that screw thread, screw articulate combination mutually.

In the embodiment that the utility model is adopted, include a cap seat 40; Cap seat 40 includes several claws 41.Described claw 41 protrudes along the direction of about parallel cap seat 40 axis; Be formed with a groove 43 on cap seat 40 y directions between each claw 41, make claw 41 have an elasticity start scope.In this embodiment, claw 41 also defines a depression 42 jointly with cap seat 40, detains above-mentioned ball joint 22.

One elastic component 50 is profile circlewise, can be fitted on this cap seat claw 41, with the detention state of packing depression 42 with ball joint 22.Therefore, in a preferred embodiment, elastic component 50 has a breach 51, adjusts the scope of restriction claw 41 and depression 42 so that elastic component 50 to be provided.

Also demonstrate in Fig. 2 and Fig. 3, cap seat 40 has a shoulder 44 and the keyhole 45 that is arranged on the shoulder 44.Keyhole 45 allows screw or its analog 80 bolt-locks, and a cap seat 40 and a fixed base 60 are combined.Specifically, fixed base 60 has hitching post 63, and this screw or its analog 80 can be locked together in keyhole 45 and the hitching post 63 for the keyhole 45 of corresponding cap seat 40.Fixed base 60 defines the bottom 62 that a through hole 61 and slightly inwardly shortens taper into, accommodates this cap seat 40 and elastic component 50.Apprehensiblely be that this through hole 61 and bottom 62 allow that this ball joint 22 passes through.

In the embodiment who is adopted, fixed base 60 also includes at least one finger 64, is formed on the upper end 65 of fixed base 60; Finger 64 can lean against on the product 70 (for example GPS, display device, Image lens, digital frame etc.).Specifically, the housing 71 of product 70 can form a wall 73 that has normalized opening 72 and define described opening 72 simultaneously in the processing procedure of present stage.Therefore, Fig. 3 finger 64 of demonstrating this fixed base 60 especially leans against the situation above the wall 73 of opening 72.

In the preferred embodiment, fixed base 60 more includes a junction 66, is formed on the upper end 65 of fixed base 60; Joint 66 provides a fixing measure, fixed base 60 is fixed on the wall 73 of product 70 or opening 72 through screw or its analog 80, for example the situation that Fig. 3 described.Apprehensible is that the fixation of fixed base joint 66 and product 70 in feasible embodiment, also can be used the cooperation kenel of flange and groove.Fig. 3 also demonstrates this composite structure can make this screw or its analog 80 be hidden in product 70 the insides; Therefore, overall structure combination is not only attractive in appearance than old law, and these screws or its analog 80 be exposed to the external world, get rusty, so that the situation of difficult dismounting combination, is also dropped to minimum.

See also Fig. 4, after having described this universal joint composite structure and product 70 combining, provide the user can adjust the angle of this product 70 or the specific embodiment of position, for example the partly shown situation of imaginary line among the figure.

What must be illustrated is, this universal joint composite structure is providing under the condition that is useful in products such as GPS, display device, image acquisition lens a or digital frame, has comprised that following design considers:

1. compared to existing technologies, this universal joint composite structure provides a restriction with the cap seat 40 of claw 41, groove 43 and elastic component 50 to cooperate, set up jointly one can adjust, packing this accommodate the mechanism of depression 42 scopes of ball joint 22, make this composite structure can not only effectively dwindle combinational gap; And in long-term the use, can not produce loosening situation yet.Use plastic materials and the influence of the effect that is subjected to expanding with heat and contract with cold as prior art, also be reduced to minimum.

2. this universal joint composite structure comprises the whole assembly kenel of cap seat 40, elastic component 50 and fixed base 60, and it can directly be used in combination with the opening 72 of product 70 amount inhibition and generation; The picture prior art need also be reduced to minimum according to the situation of different product 70 additional configuration assembly combinations.

3. this composite structure can make this screw or its analog 80 be hidden in product 70 the insides; Therefore, overall structure combination is not only attractive in appearance than old law, and has improved in the prior art this screw or its analog 80 is exposed to the outside, situation such as get rusty.

Typically, the utility model provides an effective universal joint composite structure, and not only binding operation is easy, its space kenel is different from prior art, and the function that has in the old law not had in the industry cycle in the limited field of technology, has represented quite big progress.

Claims

1. universal joint composite structure is characterized in that: comprise a cap seat, an elastic component, an and fixed base, this cap seat has at least one claw; Claw and cap seat define a depression of detaining a ball joint; This elastic component is fitted on this cap seat claw, to adjust the detention state of depression and ball joint; This fixed base defines a through hole and a bottom, accommodates this cap seat and elastic component, and they are fixed on the product jointly, but allows that described product can adjust angle or position arbitrarily.

2. universal joint composite structure as claimed in claim 1; It is characterized in that: described claw protrudes along the direction of parallel cap seat axis; Be formed with a groove on cap seat y direction between each claw.

3. universal joint composite structure as claimed in claim 1 or 2; It is characterized in that: described elastic component is profile circlewise, has a breach.

4. universal joint composite structure as claimed in claim 1; It is characterized in that: described cap seat has a shoulder and the keyhole that is arranged on the shoulder; To allow screw pass through, the cap seat is combined with fixed base.

5. universal joint composite structure as claimed in claim 4; It is characterized in that: described fixed base has hitching post, the keyhole of the corresponding described cap seat of this hitching post.

6. universal joint composite structure as claimed in claim 1; It is characterized in that: described fixed base includes at least one finger, and this finger is formed on the upper end of fixed base.

7. universal joint composite structure as claimed in claim 6; It is characterized in that: described finger leans against on the described product; This product has the wall that a housing, is formed on the opening on the housing and defines described opening.

8. universal joint composite structure as claimed in claim 1; It is characterized in that: described fixed base includes a junction, and this joint is formed on the upper end of fixed base.

9. universal joint composite structure as claimed in claim 8; It is characterized in that: described joint is fixed on fixed base on the described product with a screw.