CN201269255Y

CN201269255Y - Single-shaft type pivot device and locking mechanism thereof

Info

Publication number: CN201269255Y
Application number: CNU2008201332165U
Authority: CN
Inventors: 陈威仲; 徐华锋
Original assignee: Jarllytec Co Ltd
Current assignee: Jarllytec Co Ltd
Priority date: 2008-08-22
Filing date: 2008-08-22
Publication date: 2009-07-08
Anticipated expiration: 2018-08-22

Abstract

The utility model relates to a single-axis pivot ware and lock attach mechanism thereof locates the mandrel pivot pin joint seat, and friction subassembly and elastic component are established to the restriction shaft part of mandrel according to the preface cover, and the end of restriction shaft part is equipped with the lock and attaches the mechanism, and friction subassembly's convex part can correspond the buckling in the concave part of pin joint seat, and the lock attaches the fixed plate that the mechanism was made by the metal plate body, and the tooth hole of taking out of this fixed plate has the clamping part.

Description

Single axle pivot device and lock adhering mechanism thereof

Technical field

The utility model relates to a kind of single axle pivot device and lock adhering mechanism thereof, refer to a kind of pivot device that is applicable to friction type especially, and axle is arranged with elastic component and friction component.

Background technique

Known techniques such as claimant have and announce TaiWan, China patent M305374 number " turning shaft structure of tool automatic blocking (three) " on January 21st, 2007, it is the heart hole of the axially extended jack-post of an axis bar being passed through in regular turn a body frame body vertical frame face, at least one friction plate, one cam member of forming by a fixed block and a slider, at least one elastomer, and the free-ended adapter section of this jack-post is combined with an end sealing, use forming the assembly of taking off before axial packing and the standard.

But the end sealing of this known techniques generally is to adopt nut, is locked in the thread section of this jack-post end with collocation, and Applicable scope only limits to single jack-post aperture, and the manufacturing of nut need have certain thickness, therefore, has on the structure and gives the improvement part that progresses greatly again.

The model utility content

So main purpose of the present utility model promptly is to provide a kind of single axle pivot device and lock adhering mechanism thereof, is that axle is hubbed at pin joint seat, sheathed in regular turn friction component of the restriction shaft part of axle and elastic component, and the end of restriction shaft part is provided with lock adhering mechanism; Wherein, the protuberance of friction component can corresponding be fastened on the recess of pin joint seat, and lock adhering mechanism is the made fixed plate of metal plate, and the tooth hole of taking out of this fixed plate has clamping part, and takes out the thickness of tooth height less than fixed plate.

The technological scheme that its technical problem that solves the utility model adopts is a kind of single axle pivot device, comprising:

One pin joint seat has two pairs of recesses;

One friction component has a pair of protuberance;

One axle have lip part and restriction shaft part, and the restriction shaft part is passed the pivot hole of pin joint seat and the limiting holes of friction component in regular turn;

One fixed plate is attached to the end of this restriction shaft part;

One elastic component is arranged between friction component and the fixed plate, and is sheathed on this restriction shaft part; Wherein, the protuberance correspondence of friction component is fastened on the recess of pin joint seat, and the tooth hole of taking out of fixed plate has clamping part, and fixed plate take out the thickness of tooth height less than fixed plate.

A kind of single axle pivot device comprises:

One pin joint seat has recess;

One friction component, the protuberance correspondence of friction component is fastened on the recess of pin joint seat;

A pair of arc spring lamination is sheathed on this restriction shaft part, and arranges in the staggered mode of positive and negative;

One fixed plate is attached to the end of this restriction shaft part; Wherein, the tooth hole of taking out of fixed plate has clamping part, and fixed plate take out the thickness of tooth height less than fixed plate.

A kind of single axle pivot device comprises:

One pin joint seat;

A pair of friction plate is positioned at the both sides rubbing surface of pin joint seat, and has oil storage tank;

One axle have lip part and restriction shaft part, and the restriction shaft part is passed the pivot hole of pin joint seat and the limiting holes of these friction plates in regular turn;

Another beneficial effect that the utility model had is: the diameter of axle of the visual axle of lock adhering mechanism is processed and is had the corresponding tooth hole of taking out, and not only be easy to make, and Applicable scope is extensive, can reduce job lot or slow-witted material.Moreover, by the made lock adhering mechanism of metal plate, more thin typeization.In addition, the annular protrusion of taking out the tooth hole can directly be processed into clamping part, therefore, is easy to realize preventing effect loosening or that deviate from.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the stereogram of preferred embodiment;

Fig. 2 is the three-dimensional exploded view of preferred embodiment;

Fig. 3 is another visual angle stereogram of friction component;

Fig. 4 is the A-A sectional drawing of Fig. 1;

Fig. 5 is the processing schematic representation of lock adhering mechanism;

Fig. 6 is second embodiment's a three-dimensional exploded view.

Embodiment

For further understanding feature of the present utility model, technological means and the concrete function of being realized, purpose, enumerate than specific embodiment now, and be described with reference to the accompanying drawings as after.

See also Fig. 1 to shown in Figure 5, in preferred embodiment, pivot device comprises: formations such as pin joint seat 10, friction component 20, axle 30, lock adhering mechanism and elastic component 50; Pin joint seat 10 has two pairs of

recesses

12,13, and friction component 20 has a pair of protuberance 22; Axle 30 has lip part 32 and (for example: the shaft part with plane 311), and limit shaft part 31 and pass the pivot hole 11 of pin joint seat 10 and the limiting holes 21 of friction component 20 in regular turn limits shaft part 31; Lock adhering mechanism is the made fixed plate of metal plate 40 (for example: with K5 corrosion resistant plate or K7 corrosion resistant plate or the made fixed plate of galvanized iron sheet), fixed plate 40 forms in the mode of taking out tooth processing and takes out tooth hole 41, and the edge of taking out tooth hole 41 forms annular protrusion 42, makes fixed plate 40 can be locked in the restriction shaft part 31 of axle 30; Elastic component 50 is arranged between friction component 20 and the fixed plate 40, and is sheathed on restriction shaft part 31, and fixed plate 40 compressible elastomeric assemblies 50 with the formation fastening force, and make friction component 20 be close to the rubbing surface 15 of pin joint seat 10; Wherein, fixed plate 40 take out the thickness t of tooth height H less than fixed plate 40, the optimum value of taking out the tooth height H can be between 0.6 times to 0.7 times of metal plate plate body thickness, perhaps between 0.5 times to 0.8 times of metal plate plate body thickness; When the adjustment of the position of fixed plate 40 finishes, can be processed to form clamping part 421 by the annular protrusion 42 that tool will be taken out tooth hole 41, make fixed plate 40 can utilize clamping part 421 to be fixed in the end 312 of restriction shaft part 31 really, situation loosening or that deviate from takes place to prevent fixed plate 40; By this, when pin joint seat 10 during, promptly produce friction torsion with axle 30 relative rotations.Moreover fixed plate 40 can form a straight part 43 at least by processing, and the instrument that makes is easy to clamping straight part 43, and fixed plate 40 is locked in the end 312 of restriction shaft part 31.

The action specification of pivot device is as follows:

When friction component 20 was positioned at initial position, two protuberances, 22 correspondences of friction component 20 were fastened on two recesses 12 of pin joint seat 10; When axle 30 drive friction components 20 turn clockwise, two protuberances 22 of friction component 20 can break away from two recesses 12 of pin joint seat 10, and the axle 30 that continues to turn clockwise, two protuberances 22 of friction component 20 can corresponding be fastened on two recesses 13 of pin joint seat 10, and friction component 20 can be reached the second place; Axle 30 continues to turn clockwise, and two protuberances 22 of friction component 20 can break away from two recesses 13 of pin joint seat 10, and corresponding once more two recesses 12 that are fastened on pin joint seat 10, and friction component 20 can be reached the 3rd position.

As shown in Figure 1 and Figure 2, friction component 20 can have blocked part 26, and pin joint seat 10 can have stop block 16, when the blocked part 26 of friction component 20 is supported when terminating in the stop block 16 of pin joint seat 10, but the angle of swing of limiting friction assembly 20.Moreover pin joint seat 10 can further have side plate 17, and side plate 17 has positioning hole 170, but front end 33 build-ins of axle 30 in the fixed hole 61 of extension board 60, and extension board 60 has positioning hole 62.

As Fig. 2, shown in Figure 4, elastic component 50 can be a plurality of arc spring laminations 51 or spring, and these arc spring laminations 51 are sheathed on the restriction shaft part 31 of axle 30 with limiting holes 510, and arranges in the staggered mode of positive and negative.

See also shown in Figure 6ly, in a second embodiment, friction component can be a pair of friction plate 20a, 20b, and two friction plate 20a, 20b lay respectively at the both sides rubbing surface 15 of pin joint seat 10, and have oil storage tank 27, and are sheathed on restriction shaft part 31 with limiting holes 21; Fixed plate 40 forms in the mode of taking out tooth processing and takes out tooth hole 41, and takes out the edge formation annular protrusion 42 in tooth hole 41, makes fixed plate 40 can be locked in the restriction shaft part 31 of axle 30; By this, fixed plate 40 compressible elastomeric assemblies 50, to form fastening force, two friction plate 20a then, 20b is close to the rubbing surface 15 of pin joint seat 10, and when pin joint seat 10 during with axle 30 relative rotations, i.e. the generation torsion that rubs also is possible implementation.

Claims

1. A uniaxial hinge, characterized in that the hinge comprises:

a pivot seat with two pairs of recesses;

a friction assembly having a pair of protrusions;

A mandrel has a flange portion and a restricting shaft section, and the restricting shaft section sequentially passes through the pivot hole of the pivot seat and the restricting hole of the friction assembly;

a fixing plate, locked to the end of the restricting shaft section;

An elastic component is arranged between the friction component and the fixed plate, and is sleeved on the restricting shaft section; wherein, the convex part of the friction component corresponds to the concave part of the pivot seat, and the tooth extraction hole of the fixed plate has a clamping part , and the tooth extraction height of the fixed plate is less than the thickness of the fixed plate.

2 . The single-axis hinge device according to claim 1 , wherein the height of the teeth of the fixing plate ranges from 0.5 times to 0.8 times the thickness of the fixing plate. 3 .

3. The single-axis hinge according to claim 1, wherein the elastic component is a plurality of arc-shaped elastic pieces or springs, and these arc-shaped elastic pieces are sleeved on the limiting shaft section of the mandrel with limiting holes, and Arrange in a staggered fashion.

4. The single-axis hinge according to claim 1, wherein the friction assembly has a stopper, and the pivotal seat has a stopper, and the stopper of the frictional assembly abuts against the stopper of the pivotal seat Stoppers.

5 . The single-axis pivot device according to claim 1 , wherein the pivot seat has a side plate, and the front end of the mandrel is embedded with an extension plate, and both the side plate and the extension plate have positioning holes.

6. A single-axis hinge, characterized in that the hinge includes:

a pivot seat with a recess;

A friction component, the convex part of the friction component is correspondingly fastened to the concave part of the pivot seat;

A pair of arc-shaped shrapnel is sleeved on the restricting shaft section and arranged in a staggered front and back;

A fixing plate is locked and attached to the end of the limiting shaft section; wherein, the threading hole of the fixing plate has a clamping portion, and the threading height of the fixing plate is smaller than the thickness of the fixing plate.

7. A single-axis hinge, characterized in that the hinge includes:

a pivot seat;

A pair of friction plates are located on the friction surfaces on both sides of the pivot seat and have an oil storage tank;

A mandrel has a flange portion and a restricting shaft section, and the restricting shaft section sequentially passes through the pivot hole of the pivot seat and the restricting holes of these friction plates;

8. A locking mechanism of a single-axis hinge, which is fixed on the spindle of the hinge, the locking mechanism compresses the elastic component on the spindle, and the friction component on the spindle is closely attached to the pivot seat A friction surface characterized by:

The locking mechanism is a fixing plate with a tooth extraction hole, which is locked to the limiting shaft section of the mandrel, and has a clamping portion to be fixed at the end of the limiting shaft section. The tooth extraction height of the locking mechanism is smaller than that of the locking mechanism. body thickness.

9. The locking mechanism of a single-axis hinge according to claim 8, wherein the fixing plate is made of K5 stainless steel plate, K7 stainless steel plate, or galvanized iron plate, and the tooth extraction hole The tooth extraction height is between 0.6 times and 0.7 times the thickness of the plate body, and the fixing plate has at least one straight portion.

10. The locking mechanism of a single-axis hinge according to claim 8, wherein the fixing plate is made of K5 stainless steel plate, K7 stainless steel plate, or galvanized iron plate, and the tooth extraction hole The tooth extraction height is between 0.5 times and 0.8 times the thickness of the plate body, and the fixing plate has at least one straight portion.