CN201269254Y - Double-shaft type pivot device - Google Patents

Abstract

The utility model relates to a double-shaft type pivot device and a locking mechanism thereof. The utility model is characterized in that a first core shaft is pivoted at a pin joint seat; a limited shaft section of the first core shaft is sleeved with a friction component and a plurality of elastic components in sequence; the tail end of the first core shaft is provided with the locking mechanism; a second core shaft is pivoted at a first side plate of the pin joint seat; the limited shaft section of the second core shaft is sleeved with a locating component, a moving component and a spring in sequence; the locating component is fixedly embedded at the first side plate; and the tail end of the second core shaft is provided with a packing component; wherein, the concave part of the friction component can be correspondingly fastened at the convex part of the pin joint seat and the convex part of the moving component can be correspondingly fastened at the concave part of the locating component; the locking mechanism is a fixed plate which is made of metal plates; and a tooth-pulling hole of the fixed plate has a clamping part.

Description

The twin axle pivot device

Technical field

The utility model relates to a kind of twin axle pivot device and lock adhering mechanism thereof, especially refer to a kind of in the be pivoted pivot device of first and second axle of pin joint seat, and be provided with lock adhering mechanism to the end that is less than first axle, or be provided with lock adhering mechanism, or all be provided with lock adhering mechanism in the end of first and second axle in the end of second axle.

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 axial packing and the aforesaid assembly of standard.

But this known techniques is if apply to the twin axle pivot device, and the end of two axis bars need be reserved suitable distance, and the end sealing could be set in the end of two axis bars, and therefore, overall structure is bigger.In addition, the end sealing of two axis bar ends is quite approaching, is not easy to apply anti-loose processing.

The model utility content

So main purpose of the present utility model, promptly be to provide a kind of twin axle pivot device and lock adhering mechanism thereof, be that first axle is hubbed at pin joint seat, the sheathed in regular turn friction component of the restriction shaft part of first axle and a plurality of shell fragment, and the end of first axle is provided with lock adhering mechanism; Second axle is hubbed at first side plate of pin joint seat, the sheathed in regular turn locating piece of the restriction shaft part of second axle, movable part and spring, and the locating piece build-in is in first side plate, and the end of second axle is provided with the packing assembly; Wherein, the recess of friction component can corresponding be fastened on the protuberance of pin joint seat, and the protuberance of movable part can corresponding be fastened on the recess of locating piece; Lock adhering mechanism is to be 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 twin axle pivot device comprises:

One pin joint seat has first side plate and second side plate;

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

First axle, the restriction shaft part of first axle passes the central pivot hole of pin joint seat and the limiting holes of friction component in regular turn, and the end of first axle is provided with a plurality of shell fragments and fixed plate;

Positioning piece, build-in be in first side plate, and have recess;

One movable part, the protuberance correspondence of movable part is fastened on the recess of locating piece;

Second axle, the restriction shaft part of second axle passes the pivot hole of the pivot hole of first side plate, locating piece and the limiting holes of movable part in regular turn, and the end of second axle is provided with spring and packing assembly;

The 3rd axle, the restriction shaft part of the 3rd axle is arranged in the pivot hole of second side plate, and the three-core the tip of the axis is provided with extending seat; 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 twin axle pivot device comprises:

One pin joint seat has first side plate;

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

First axle, the restriction shaft part of first axle passes the central pivot hole of pin joint seat and the limiting holes of friction component in regular turn, and the end of first axle is provided with a plurality of shell fragments;

Positioning piece, build-in be in first side plate, and have a pair of recess;

One movable part has a pair of protuberance, and these protuberance correspondences are fastened on these recesses of locating piece;

Second axle, the restriction shaft part of second axle passes the pivot hole of the pivot hole of first side plate, locating piece and the limiting holes of movable part in regular turn, and the end of second axle is provided with spring; Wherein, the end of first and second axle all is provided with fixed plate, and the tooth hole of taking out of these fixed plates has clamping part, and these fixed plates take out the thickness of tooth height less than these fixed plates.

A kind of twin axle pivot device comprises:

One pin joint seat has first side plate;

First locating piece, build-in be in pin joint seat, and have recess;

First movable part, the protuberance correspondence of first movable part is fastened on the recess of first locating piece;

First axle, the restriction shaft part of first axle are passed the central pivot hole of pin joint seat, the pivot hole of first locating piece and the limiting holes of first movable part in regular turn, and the end of first axle is provided with a plurality of shell fragments and packing assembly;

Second locating piece, build-in be in first side plate, and have recess;

Second movable part, the protuberance correspondence of second movable part is fastened on the recess of second locating piece;

Second axle, the restriction shaft part of second axle are passed the limiting holes of second movable part, the pivot hole of second locating piece and the pivot hole of first side plate in regular turn, and the end of second axle is provided with fixed plate;

One spring is arranged between the lip part and second movable part of second axle; 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 twin axle pivot device comprises:

One pin joint seat has first side plate;

First locating piece, build-in be in pin joint seat, and have recess;

First movable part, the protuberance correspondence of first movable part is fastened on the recess of first locating piece;

First axle, the restriction shaft part of first axle are passed the central pivot hole of pin joint seat, the pivot hole of first locating piece and the limiting holes of first movable part in regular turn, and the end of first axle is provided with a plurality of shell fragments;

Second locating piece, build-in be in first side plate, and have recess;

Second movable part, the protuberance correspondence of second movable part is fastened on the recess of second locating piece;

Second axle, the restriction shaft part of second axle are passed the limiting holes of second movable part, the pivot hole of second locating piece and the pivot hole of first side plate in regular turn;

One spring is arranged between the lip part and second movable part of second axle; Wherein, the end of first and second axle all is provided with fixed plate, and the tooth hole of taking out of these fixed plates has clamping part, and these fixed plates take out the thickness of tooth height less than these fixed plates.

The 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, thin typeization more, and, make overall structure more tight more near the packing assembly of the second axle end.

Another beneficial effect that the utility model had is: the end of first and second axle all can be provided with lock adhering mechanism, can simultaneously the annular protrusion of two lock adhering mechanisms be processed to form clamping part by tool, and be easy to apply simultaneously anti-loose processing.

Description of drawings

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

Fig. 1 is the three-dimensional exploded view of preferred embodiment;

Fig. 2 is the stereogram of preferred embodiment;

Fig. 3 is the stereo amplification figure of locating piece and movable part;

Fig. 4 is the A-A sectional drawing of Fig. 2;

Fig. 5 is the three-dimensional exploded view of preferred embodiment;

Fig. 6 is the stereogram of preferred embodiment;

Fig. 7 is the stereo amplification figure of locating piece and movable part;

Fig. 8 is the B-B sectional drawing of Fig. 6.

Embodiment

For further understanding feature of the present utility model, technological means and the concrete function of being reached, 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 4, in preferred embodiment, pivot device comprises: pin joint seat 10, friction component 20, first axle 30, locating piece 40, movable part 50, second axle 60 and the 3rd axle 70; Pin joint seat 10 has first side plate 11 and second side plate 12, and the recess 22 of friction component 20 can corresponding be fastened on the protuberance 13 of pin joint seat 10; First axle 30 can be hollow mandrel, the restriction shaft part 31 of first axle 30 (for example: the shaft part with plane 311) pass the central pivot hole 14 of pin joint seat 10 and the limiting holes 21 of friction component 20 in regular turn, and the end 312 of first axle 30 is provided with a plurality of shell fragments 35 and fixed plate 36, adjust the position of fixed plate 36 and can suitably compress a plurality of shell fragments 35, to form fastening force, and make friction component 20 be close to pin joint seat 10, when pin joint seat 10 during with the 30 relative rotations of first axle, restriction shaft part 31 will drive friction component 20 with commentaries on classics, and produce friction torsion; Locating piece 40 build-ins are in first side plate 11 (for example: locating piece 40 is with the fixed hole 112 of fixing rib 45 build-ins in first side plate 11), and locating piece 40 has recess 42, and the protuberance 52 of movable part 50 can correspondence be fastened on recess 42; The front end of second axle 60 can have positioning hole 64, the lip part 62 of second axle 60 (for example: the shaft part with plane 611) extends restriction shaft part 61, restriction shaft part 61 passes the pivot hole 110 of first side plate 11 in regular turn, the pivot hole 41 of locating piece 40 and the limiting holes 51 of movable part 50, and the end 612 of second axle 60 is provided with spring 65 and packing assembly 66 (for example: nut or spinning fixed block), packing assembly 66 compressible spring 65, to form fastening force, and make movable part 50 be close to locating piece 40, when first side plate 11 during with the 60 relative rotations of second axle, restriction shaft part 61 will drive movable part 50 with changeing, and make protuberance 52 climb out of recess 42; The 3rd axle 70 can be hollow mandrel, the lip part 72 of the 3rd axle 70 (for example: the shaft part with plane 711) extends restriction shaft part 71, restriction shaft part 71 is arranged in the pivot hole 120 of second side plate 12, and the end 712 of the 3rd axle 70 is embedded with extending seat 76 (for example: extending seat 76 is fixed in the end 712 of the 3rd axle 70 with limiting holes 761 covers), and extending seat 76 can have positioning hole 762; Wherein, fixed plate 36 can be made by K5 corrosion resistant plate or K7 corrosion resistant plate or galvanized iron sheet, and fixed plate 36 take out the thickness t of tooth height H less than fixed plate 36, for example: that takes out tooth hole 360 takes out tooth height H 0.5 times to 0.8 times between the plate body thickness t; After the adjustment of the position of fixed plate 36 finishes, can be processed to form clamping part 362 by the annular protrusion 361 that tool will be taken out tooth hole 360, make fixed plate 36 can utilize clamping part 362 to be fixed in the end 312 of first axle 30 really, situation loosening or that deviate from takes place to prevent fixed plate 36.Moreover fixed plate 36 can form a straight part 363 at least by processing, and the instrument that makes is easy to clamping straight part 363, and fixed plate 36 is locked in the end 312 of first axle 30.

As shown in Figure 1 and Figure 2, be provided with limit assembly 15 between the lip part 32 of first axle 30 and the pin joint seat 10, and limit assembly 15 is sheathed on the restriction shaft part 31 of first axle 30 with limiting holes 150, pin joint seat 10 also has stop block 16, when pin joint seat 10 during with the 30 relative rotations of first axle, restriction shaft part 31 will drive limit assembly 15 with changeing, and the blocked part 151 of limit assembly 15 can be to terminating in the stop block 16 of pin joint seat 10, and limit the angle of swing of first axle 30.Moreover the lip part 72 of the 3rd axle 70 has blocked part 721, and second side plate 12 is provided with stop block 121, and when second side plate 12 during with the 70 relative rotations of the 3rd axle, blocked part 721 can be supported and terminate in stop block 121, and limits the angle of swing of the 3rd axle 70.In addition, can further be provided with auxiliary ring 75 between second side plate 12 and the extending seat 76, and auxiliary ring 75 is sheathed on the restriction shaft part 71 of the 3rd axle 70; Further build-in is in connecting base 80 (for example: front end 34 build-ins of first axle 30 are in the fixed hole 81 of connecting base 80) for the front end 34 of first axle 30, and connecting base 80 can have positioning hole 82.

In addition, packing assembly 66 further can be K5 corrosion resistant plate or K7 corrosion resistant plate or the made fixed plate of galvanized iron sheet, and packing assembly 66 take out the thickness t of tooth height H less than packing assembly 66, for example: that takes out tooth hole 660 takes out tooth height H 0.5 times to 0.8 times between the plate body thickness t; After the position adjustment of packing assembly 66 and fixed plate 36 finishes, can be processed to form clamping part 662 by the annular protrusion 661 that tool will be taken out tooth hole 660, the annular protrusion 361 that to take out tooth hole 360 simultaneously is processed to form clamping part 362, make packing assembly 66 can utilize clamping part 662 to be fixed in the end 612 of second axle 60 really, and fixed plate 36 can utilize clamping part 362 to be fixed in the end 312 of first axle 30 really, and is easy to apply simultaneously anti-loose processing.

See also Fig. 5 to shown in Figure 8, in a second embodiment, pivot device comprises: pin joint seat 10a, the first locating piece 20a, the first movable part 20b, the first axle 30a, the second locating piece 40a, the second movable part 50a, the second axle 60a and spring 65; Pin joint seat 10a has first side plate 11, the first locating piece 20a build-in is in pin joint seat 10a (for example: the first locating piece 20a is with the fixed groove 17 of fixing rib 24 build-ins in pin joint seat 10a), and protuberance 27 correspondences that the first locating piece 20a has recess 25, the first movable part 20b are fastened on recess 25; The first axle 30a can be solid axle, the restriction shaft part 33 of the first axle 30a (for example: the shaft part with plane 331) pass the central pivot hole 18 of pin joint seat 10a in regular turn, the pivot hole 26 of the first locating piece 20a and the limiting holes 28 of the first movable part 20b, and the end 332 of the first axle 30a is provided with a plurality of shell fragments 38 and packing assembly 39 (for example: nut or spinning fixed block), packing assembly 39 compressible a plurality of shell fragments 38, to form fastening force, and make the first movable part 20b be close to the first locating piece 20a, when pin joint seat 10a with first axle 30a is relative when rotating, restriction shaft part 33 will drive the first movable part 20b with commentaries on classics, make the protuberance 27 of the movable part 20b that wins climb out of the recess 25 of the first locating piece 20a; The second locating piece 40a build-in is in first side plate 11 (for example: the second locating piece 40a is with the fixed groove 114 of fixing rib 46 build-ins in first side plate 11), and protuberance 54 correspondences that the second locating piece 40a has recess 47, the second movable part 50a are fastened on recess 47; The front end of the second axle 60a can have positioning hole 64, the lip part 62 of the second axle 60a (for example: the shaft part with plane 611) extends restriction shaft part 61, restriction shaft part 61 passes the limiting holes 56 of the second movable part 50a, the pivot hole 48 of the second locating piece 40a and the pivot hole 110 of first side plate 11 in regular turn, and the end 612 of the second axle 60a is provided with fixed plate 68; Spring 65 is arranged between the lip part 62 and the second movable part 50a of the second axle 60a, the position of adjustment fixed plate 68 is pressure spring 65 suitably, to form fastening force, and make the second movable part 50a be close to the second locating piece 40a, when first side plate 11 with second axle 60a is relative when rotating, restriction shaft part 61 will drive the second movable part 50a with changeing, and make the protuberance 54 of the second movable part 50a climb out of the recess 47 of the second locating piece 40a; Wherein, fixed plate 68 can be made by K5 corrosion resistant plate or K7 corrosion resistant plate or galvanized iron sheet, and fixed plate 68 take out the thickness t of tooth height H less than fixed plate 68, for example: that takes out tooth hole 680 takes out tooth height H 0.5 times to 0.8 times between the plate body thickness t; After the adjustment of the position of fixed plate 68 finishes, can be processed to form clamping part 682 by the annular protrusion 681 that tool will be taken out tooth hole 680, make fixed plate 68 can utilize clamping part 682 to be fixed in the end 612 of the second axle 60a really, situation loosening or that deviate from takes place to prevent fixed plate 68.Moreover fixed plate 68 can form a straight part 683 at least by processing, and the instrument that makes is easy to clamping straight part 683, and fixed plate 68 is locked in the end 612 of the second axle 60a.

As Fig. 5, shown in Figure 6, be provided with limit assembly 19 between the lip part 37 of the first axle 30a and the pin joint seat 10a, and limit assembly 19 is sheathed on the restriction shaft part 33 of the first axle 30a with limiting holes 190, pin joint seat 10a also has stop block 16, when pin joint seat 10a with first axle 30a is relative when rotating, restriction shaft part 33 will drive limit assembly 19 with changeing, and blocked part 191 can be to terminating in stop block 16, and limit the angle of swing of the first axle 30a.Moreover, second side plate 12 of pin joint seat 10a is pivoted with the 3rd axle 70a, the 3rd axle 70a is provided with limit assembly 77, and the blocked part 772 of limit assembly 77 can be supported the terminal of stop block 123, the three axle 70a terminate in second side plate 12 and be provided with resilient pad 78 and fixing cramp 79; But front end 371 build-in a connecting seat 80a of the first axle 30a, the 60a front end of second axle, the front end of the 3rd axle 70a and connecting base 80a also have positioning hole 64,74,82.

In addition, packing assembly 39 further can be K5 corrosion resistant plate or K7 corrosion resistant plate or the made fixed plate of galvanized iron sheet, and packing assembly 39 take out the thickness t of tooth height H less than packing assembly 39, for example: that takes out tooth hole 390 takes out tooth height H 0.5 times to 0.8 times between the plate body thickness t; After the position adjustment of packing assembly 39 and fixed plate 68 finishes, can be processed to form clamping part 392 by the annular protrusion 391 that tool will be taken out tooth hole 390, the annular protrusion 681 that to take out tooth hole 680 simultaneously is processed to form clamping part 682, make packing assembly 39 can utilize clamping part 392 to be fixed in the end 332 of the first axle 30a really, and fixed plate 68 can utilize clamping part 682 to be fixed in the end 612 of the second axle 60a really, and is easy to apply simultaneously anti-loose processing.

Claims (13)

1. a twin axle pivot device is characterized in that, this pivot device comprises:

One pin joint seat has first side plate and second side plate;

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

First axle, the restriction shaft part of first axle passes the central pivot hole of pin joint seat and the limiting holes of friction component in regular turn, and the end of first axle is provided with a plurality of shell fragments and fixed plate;

Positioning piece, build-in be in first side plate, and have recess;

One movable part, the protuberance correspondence of movable part is fastened on the recess of locating piece;

Second axle, the restriction shaft part of second axle passes the pivot hole of the pivot hole of first side plate, locating piece and the limiting holes of movable part in regular turn, and the end of second axle is provided with spring and packing assembly;

The 3rd axle, the restriction shaft part of the 3rd axle is arranged in the pivot hole of second side plate, and the three-core the tip of the axis is provided with extending seat; 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.

2. twin axle pivot device according to claim 1, it is characterized in that, fixed plate is made by K5 corrosion resistant plate or K7 corrosion resistant plate or galvanized iron sheet, and this take out the tooth hole take out tooth height 0.5 times to 0.8 times between plate body thickness, this fixed plate also has a straight part at least.

3. twin axle pivot device according to claim 1, it is characterized in that, be provided with limit assembly between the lip part of first axle and the pin joint seat, and limit assembly is sheathed on the restriction shaft part of first axle with limiting holes, the stop block that terminates in pin joint seat also can be supported in the blocked part of limit assembly.

4. twin axle pivot device according to claim 1 is characterized in that the lip part of the 3rd axle has the blocked part, and second side plate is provided with stop block, and the stop block that terminates in second side plate also can be supported in the blocked part of the 3rd axle.

5. twin axle pivot device according to claim 1 is characterized in that, can be provided with auxiliary ring between second side plate and the extending seat, and this auxiliary ring is sheathed on the restriction shaft part of the 3rd axle.

6. twin axle pivot device according to claim 1 is characterized in that, first axle is to be hollow mandrel, but and front end build-in a connecting seat of first axle, the front end of second axle, extending seat and connecting base also have positioning hole.

7. a twin axle pivot device is characterized in that, this pivot device comprises:

One pin joint seat has first side plate;

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

First axle, the restriction shaft part of first axle passes the central pivot hole of pin joint seat and the limiting holes of friction component in regular turn, and the end of first axle is provided with a plurality of shell fragments;

Positioning piece, build-in be in first side plate, and have a pair of recess;

One movable part has a pair of protuberance, and these protuberance correspondences are fastened on these recesses of locating piece;

Second axle, the restriction shaft part of second axle passes the pivot hole of the pivot hole of first side plate, locating piece and the limiting holes of movable part in regular turn, and the end of second axle is provided with spring; Wherein, the end of first and second axle all is provided with fixed plate, and the tooth hole of taking out of these fixed plates has clamping part, and these fixed plates take out the thickness of tooth height less than these fixed plates.

8. a twin axle pivot device is characterized in that, this pivot device comprises:

One pin joint seat has first side plate;

First locating piece, build-in be in pin joint seat, and have recess;

First movable part, the protuberance correspondence of first movable part is fastened on the recess of first locating piece;

First axle, the restriction shaft part of first axle are passed the central pivot hole of pin joint seat, the pivot hole of first locating piece and the limiting holes of first movable part in regular turn, and the end of first axle is provided with a plurality of shell fragments and packing assembly;

Second locating piece, build-in be in first side plate, and have recess;

Second movable part, the protuberance correspondence of second movable part is fastened on the recess of second locating piece;

Second axle, the restriction shaft part of second axle are passed the limiting holes of second movable part, the pivot hole of second locating piece and the pivot hole of first side plate in regular turn, and the end of second axle is provided with fixed plate;

One spring is arranged between the lip part and second movable part of second axle; 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.

9. twin axle pivot device according to claim 8, it is characterized in that, fixed plate is made by K5 corrosion resistant plate or K7 corrosion resistant plate or galvanized iron sheet, and this take out the tooth hole take out tooth height 0.5 times to 0.8 times between plate body thickness, this fixed plate also has a straight part at least.

10. twin axle pivot device according to claim 8, it is characterized in that, be provided with limit assembly between the lip part of first axle and the pin joint seat, and limit assembly is sheathed on the restriction shaft part of first axle with limiting holes, the stop block that terminates in pin joint seat also can be supported in the blocked part of limit assembly.

11. twin axle pivot device according to claim 8, it is characterized in that, pin joint seat has second side plate, and second side plate is pivoted with the 3rd axle, the 3rd axle is provided with limit assembly, and the stop block terminate in second side plate can be supported in the blocked part of limit assembly, and the three-core the tip of the axis also is provided with resilient pad and fixing cramp.

12. twin axle pivot device according to claim 11 is characterized in that, but front end build-in a connecting seat of first axle, and the front end and the connecting base of the front end of second axle, the 3rd axle also has positioning hole.

13. a twin axle pivot device is characterized in that, this pivot device comprises:

One pin joint seat has first side plate;

First locating piece, build-in be in pin joint seat, and have recess;

First movable part, the protuberance correspondence of first movable part is fastened on the recess of first locating piece;

First axle, the restriction shaft part of first axle are passed the central pivot hole of pin joint seat, the pivot hole of first locating piece and the limiting holes of first movable part in regular turn, and the end of first axle is provided with a plurality of shell fragments;

Second locating piece, build-in be in first side plate, and have recess;

Second movable part, the protuberance correspondence of second movable part is fastened on the recess of second locating piece;

Second axle, the restriction shaft part of second axle are passed the limiting holes of second movable part, the pivot hole of second locating piece and the pivot hole of first side plate in regular turn;

One spring is arranged between the lip part and second movable part of second axle; Wherein, the end of first and second axle all is provided with fixed plate, and the tooth hole of taking out of these fixed plates has clamping part, and these fixed plates take out the thickness of tooth height less than these fixed plates.

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