CN2572117Y

CN2572117Y - Rotary axle structure with torsion regulation

Info

Publication number: CN2572117Y
Application number: CN 01226675
Authority: CN
Inventors: 黄国华
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-06-15
Filing date: 2001-06-15
Publication date: 2003-09-10
Anticipated expiration: 2011-06-15

Abstract

The utility model discloses a rotary axle structure with torsion regulation, which is composed of a locating axle, a torsion regulating unit, and a rotary axle, wherein, the locating axle is correspondingly sheathed with the rotary axle, the locating axle and the rotary axle are respectively fixed on one end side capable of being provided with objects, wherein, one side of the locating axle is extended with a core part which is at least provided with one tangent plane, and the front end of the core part is provided with a screw thread segment; the torsion regulating unit is composed of a plurality of fixed washers and wing washers which are sheathed on the core part of the locating axle in staggered arrangement, and is locked and positioned on the core part through a screw cap, wherein, inner holes of the fixed washers and the core part are correspondingly clamped and fixed; a periphery end of the wing washer is provided with a flange, and the center part of the wing washer is provided with an axle hole which is sheathed on the core part; the rotary axle corresponding to the core part of the locating axle is provided with a sleeve barrel part which is provided with the core part, and the periphery wall of the sleeve barrel part corresponding to the flange of the wing washer is provided with a clamp slot; the torsion regulating unit is orderly sheathed and fixed on the core part, and the flange of the wing washer is mutually engaged with the clamp slot.

Description

Has the turning shaft structure that torsion is adjusted

The utility model relates to rotating shaft, especially a kind of turning shaft structure with torsion adjustment.

(see also Fig. 1 at existing pivot structure, 2), its thin type embedding post (B) that mainly this positioning shaft (A) is protruded out buckles in the jack-post (C), utilize this axle sleeve (D) to supply jack-post (C) in regular turn again, shell fragment (E), cooperate screw (F) bolt-lock again, that borrows screw (F) revolves lock to control its pivot torsion, its shortcoming only, be that this shell fragment (E) and jack-post (C) are the suit one, and borrow screw (F) sealed, after using a period of time, it can produce abrasion between the two, make the torque curve of its pivot descend very fast, cause the retardance ability significantly to reduce, thus often need regularly to adjust, so its durable degree and torsion is constant performs poor; Moreover, this screw (F) is adjusted its torsion though can revolve lock, but because of shell fragment (E) and jack-post (C) generally with metal forming, sealed tight program therebetween has certain limit, otherwise very easily produce deformation and cause damage, so in fact can modulation torque range (range) limited, therefore at the required torque magnitude of the object that is suitable for different types (notebook computer for example, translating machine, liquid crystal screen, various instruments etc.), then need to become different specification size to think that the coupling use causes it not of uniform size respectively its assembly, and the big person of its volume more can destroy attractive in appearance, so its practical value is not high.

For overcoming the defective of above prior art, the special proposition turning shaft structure with torsion adjustment of the present utility model, its objective is and borrow easy assembling of this turning shaft structure and suitable adjustment, and reach according to different object service conditions and demand, satisfy it and pivot and the performance of spacing required torsion, have simultaneously that structure is more simplified, the durable and constant effect of maintenance torsion concurrently.

The utility model is achieved in that

It is made up of positioning shaft, torsion regulation unit and rotatingshaft, and wherein this positioning shaft and rotatingshaft can corresponding suits, and is installed in desire respectively and establishes the distolateral of object, and then provides and pivot and spacing, wherein:

This positioning shaft has extended a core in the one side, and this core has a tangent plane at least, and the front end of this core forms a thread section;

This torsion regulation unit, mainly be mutual stagger arrangement row group, and the core that is set in positioning shaft closes, borrow a nut again its lock knot and location by plurality of fixed packing ring and wing packing ring, be located at described core and form, wherein the endoporus of this retaining washer can be limited to turn with core corresponding engaging maintenance; This wing packing ring, the Yu Qizhou end has flange, and borrows its central shaft hole sleeve to close on core, is and can appropriateness pivots;

This rotatingshaft, the core of corresponding positioning shaft, form one and can supply its sleeve part that is installed with, flange in the corresponding wing packing ring of the perisporium of sleeve part, be provided with an engagement groove, make this torsion regulation unit that suit is fixedly arranged on the core in regular turn after, the flange of this wing packing ring just can be chimeric mutually with this engagement groove, make when rotatingshaft turns, produce transfer but the interlock flange drives wing packing ring;

Composition by above-mentioned member, can be with the retaining washer of torsion regulation unit and wing packing ring suit in regular turn, and borrow nut that its lock is tied on the core of positioning shaft, make this retaining washer and profile gasket, be able to tight knot very, and pull in adjacent top, multiple with the corresponding suit of rotatingshaft, and broadcast the flange of profile gasket and the engaging of sleeve part chimeric mutually, when rotatingshaft is turned by the external force drive, this sleeve part can promote wing packing ring generation transfer by the interlock flange, utilize the retaining washer of the tight knot in wing packing ring bi-side and the powerful friction stress formation retardance that Qi Ding pulls and produced, and object pivot and spacing is provided, can borrow simultaneously and tune the effect that nut reach the torsion adjustment.

The utility model has following beneficial effect:

(1), can reach the effect that torsion is adjusted by the nut that revolves lock knob power regulation unit, that is by same group of torsion regulation unit, can change the pivot pattern that multiple different torsion poundages, to provide different objects required, make this pivot can modular, normalization produces in a large number, utilizes its tool identical appearance and size, forms the Component kenel of a standard, be convenient to design, manufacturing and the installation of product, a large amount of certainly production also significantly reduced its cost.

(2), this torsion regulation unit, by plurality of fixed packing ring and wing packing ring, and its group tied in core form, when utilizing the nut bolt-lock, except that characteristic with the high torsion of output, the bigger adjustment limit of while tolerable, that is possess bigger torsion adjustment range; Moreover its plurality of fixed packing ring and wing packing ring are dispersed to its each mutual mating face with its torsion, and the average force of its each adjacent aspect is lowered, and can reduce abrasion and reach more exquisite durable and keep the constant effect of torsion.

(3), can be by the assembly quantity of this retaining washer of increase and decrease and wing packing ring, and when being utilized the nut bolt-lock respectively or utilize the bolt-lock nut, it bestows the corresponding lock knot of different poundage strength, and then reach random modulation torque magnitude, make its can adapted object be able to more diversification.

(4), volume of the present utility model is compact, the simple assembling of member easily can maximum mechanical space, obtains maximum outputting torsion and the constant effect of torsion; Moreover, its tool is the torsion adjustment modes easily, more can generally be used in commodity such as notebook computer, liquid crystal display, automobile satellite navigation display device, individual number assistant (PDA), translating machine, even can use the hinge coupling use of various precision machineries or instrument, the economic benefit that tool is excellent as.

Accompanying drawing of the present utility model is: Fig. 1, be the three-dimensional exploded view of prior art pivot; Fig. 2, be the combination stereogram of prior art pivot; Fig. 3, be three-dimensional exploded view of the present utility model; Fig. 4, be combination schematic representation of the present utility model; Fig. 5, be three-dimensional combination figure of the present utility model; Fig. 6, be assembled sectional view of the present utility model; Fig. 7, be that rotatingshaft interlock profile gasket of the present utility model produces the action schematic representation (axle sleeve does not show) that shifts; Fig. 8, be that the utility model adopts the retaining washer of varying number and embodiment's sectional view of wing pad figure.

Below in conjunction with accompanying drawing the utility model is further described:

Consult shown in Fig. 3-6, a kind of turning shaft structure that torsion is adjusted that has of the present utility model, comprise by positioning shaft 1, torsion regulation unit 2 and rotatingshaft 3 and being formed, wherein this positioning shaft 1 and rotatingshaft 3 can corresponding suits, and be installed in desire respectively and establish the distolateral of object, and then pivot and spacing is provided, wherein:

These positioning shaft 1 one sides have extended a core 11 and this core 11 has a tangent plane 12 at least, and the front end of this core 11 forms a thread section 13;

This torsion regulation unit 2, by plurality of fixed packing ring 21 and wing packing ring 22, being mutual stagger arrangement row organizes and is set on the core 11 of positioning shaft 1, relend a nut 23 and described core 11 is located in its lock knot and location forms, wherein the endoporus 211 of this retaining washer 21 can engage maintenances and be limited to turn with core 11 is corresponding;

This wing packing ring 22, Yu Qizhou end have flange 221 and borrow its central axis hole 222 to be sleeved on the core 11, can appropriateness pivot;

This rotatingshaft 3, the core 11 of corresponding positioning shaft 1 forms one and can supply its sleeve part that is installed with 31, flange 221 in the corresponding wing packing ring 22 of the perisporium of sleeve part 31, be provided with an engagement groove 311, after making this torsion regulation unit 2 that suit is fixedly arranged on the core 11 in regular turn, the flange 221 of this wing packing ring 22 just can be chimeric mutually with this engagement groove 311, as shown in Figure 4, and make when rotatingshaft 3 turns, but driving wing packing ring 22, interlock flange 221 produces transfer;

Composition by above-mentioned member, can be with the retaining washer 21 of torsion regulation unit 2 and wing packing ring 22 suit in regular turn, and borrow nut 23 that its lock is tied on the core 11 of positioning shaft 1, make this retaining washer 21 and wing packing ring 22, pull (seeing also Fig. 5) in the tight knot and the adjacent top that are able to very, multiple with rotatingshaft 3 corresponding suits, and the engagement groove 311 of the flange 221 of wing packing ring 22 and sleeve part 31 is chimeric mutually, the end of clinching rotatingshaft 3 simultaneously makes itself and rotatingshaft 3 affixed one; When rotatingshaft 3 is turned by the external force drive, this sleeve part 31 can promote wing packing ring 22 generation transfers (shown in Fig. 6,7) by interlock flange 221, utilize the retaining washer 21 of the tight knot in wing packing ring 22 bi-side and the powerful friction stress formation retardance that Qi Ding pulls and produced, and object pivot and spacing is provided, can borrow simultaneously and tune the effect that nut 23 reach the torsion adjustment.

Inferior seeing also shown in Fig. 4,5; the sleeve part 31 corresponding sockets of core 11 of the present utility model and rotatingshaft 3; and be set with an axle sleeve 24 in its outer rim; make this axle sleeve 24 that its torsion regulation unit 2 and extraneous suitable insulation blocking can be provided; so as to preventing that aqueous vapor, dust from entering; adjust function and influence its torsion, have preferable rotation nargin simultaneously.

Again, the utility model is in this nut 23 and be set in 21 of the retaining washers of core 11 ends, and the cover group has a dish-shaped packing ring 25 and a ring washer 26 (shown in Fig. 3,5), by above-mentioned feature, they are when nut 23 lock knots, and this ring washer 26 can be bestowed it preferable maintenance and press; And this rotatingshaft 3 is in reciprocal rotation, when the wing packing ring 22 of interlock pivoted simultaneously, this saucer washer 25 can significantly reduce its Stress Transfer, and then prevents nut 23 passive rotations, and having the non-return effect, the torsion that this torsion regulation unit 2 is set can be kept constant.

Moreover it is as follows that torsion of the present utility model is adjusted scheme:

One is tied distolateral in core with this nut 23 locks, and this nut 23 can bestow the strength of different poundages on demand will it lock knot, change the retardance stress of 22 on this retaining washer 21 and wing packing ring whereby, and reach the effect of torsion adjustment.

They are two years old, the quantity (please refer to Fig. 8) of the retaining washer 21 of this torsion regulation unit 2 and wing packing ring 22, can give the appropriateness increase and decrease according to the required torque magnitude of object, and utilize nut 23 locks to tie on the core 11 that coupling is provided with it, and so as to its torque magnitude of modulation.

Claims

1, a kind of have a turning shaft structure that torsion is adjusted, and is made up of positioning shaft, torsion regulation unit and rotatingshaft, and wherein this positioning shaft and rotatingshaft can corresponding suits, and be installed in desire respectively and establish the distolateral of object, it is characterized in that:

This positioning shaft, a side has extended a core, and this core has a tangent plane at least, and the front end of this core is provided with a thread section;

This torsion regulation unit is set on the core of positioning shaft by the mutual stagger arrangement row group of plurality of fixed packing ring and wing packing ring, by a nut with its lock knot and be positioned on this core, wherein the endoporus of this retaining washer can with the corresponding engaging of core maintenance;

This wing packing ring, Zhou Duan has flange, and central authorities are provided with axis hole and are sleeved on the core;

This rotatingshaft, the core of corresponding positioning shaft is provided with a sleeve part that can supply this core to be installed with, flange in the corresponding wing packing ring of the perisporium of this sleeve part, be provided with an engagement groove, this torsion regulation unit suit in regular turn is fixedly arranged on the core, and the flange of this wing packing ring and this engagement groove are chimeric mutually.

2, as claimed in claim 1 have a turning shaft structure that torsion is adjusted, and it is characterized in that: the wherein corresponding socket of the sleeve part of the core of this positioning shaft and rotatingshaft, and be set with an axle sleeve with preferable rotation nargin in its outer rim.

3, as claimed in claim 1 have a turning shaft structure that torsion is adjusted, and it is characterized in that: this nut and being set between the retaining washer or wing packing ring of core ends wherein, the cover group has a dish-shaped packing ring and a ring washer.

4, as claimed in claim 1 have a turning shaft structure that torsion is adjusted, and it is characterized in that: the quantity of the retaining washer of this torsion regulation unit and wing packing ring wherein can give the appropriateness increase and decrease, and tie on the core that coupling is provided with by the nut lock.

5, describedly have turning shaft structures that torsion is adjusted as claim 1 or 3, it is characterized in that: wherein this nut lock is tied distolateral in core.