CN206958079U - Multi sectional variable torque generation mechanism - Google Patents

Abstract

The utility model discloses Multi sectional variable torque generation mechanism, including the first pivot, the second pivot, transmission component and positioning torsion component, transmission component to cause the first pivot is synchronous with the second pivot work to interlock；The one end of first pivot and the second pivot is respectively provided with the first torsion section and the second torsion section, and the section of the first torsion section is rounded, and the section of the second torsion section is in non-circular；Positioning torsion component includes the first positioning torsion source and the second positioning torsion source, first positioning torsion source can be with the first torsion section of the first pivot and the first torsion section interference engagement of the second pivot, and the second positioning torsion source can be with the second torsion section of the first pivot and the second torsion section part interference engagement of the second pivot.The utility model is not only simple in structure, and can also meet the needs of different sections of torsion, has the advantages of cheap cost, stable and strong adaptability.

Description

Multi sectional variable torque generation mechanism

Technical field

Electronic equipment machinery technical field is the utility model is related to, more particularly, to Multi sectional variable torque generation mechanism.

Background technology

Existing electronic equipment, such as notebook computer, being generally designed with host computer system end can relative host computer system The display screen end of folding is held, so, display screen end can be both raised in working condition, can be closed again in transportation aobvious Display screen curtain end.To complete aforementioned operation, the opening and closing movement between display screen end and system end is mainly carried out using pivot device.

To coordinate the different demands in various structures and exterior design, pivot device can be that single shaft, twin shaft or multiaxis mode are entered Row transmission, by taking dual-axis pivot device as an example, it mainly includes and the first rotating shaft of display screen end synchronous axial system and same with system end Walk the second rotating shaft rotated.Which kind of no matter is driven the pivot device of form using, the axis of rotation of pivot device is reached setting position Put, namely the torque structure raised angle position, generally all need by pivot device for causing display screen end to reach convenient operation Positioned.Most common torque structure is exactly that multiple elasticity and packing pad are provided with the axle body of rotating shaft, so, works as rotating shaft During rotation, the relative rotation relation of multiple elasticity and packing pad can countershaft generation positioning torsion.But in existing torsion In power structure, otherwise the torsion of definite value can only be produced, otherwise it is that cam structure is added on torque structure to produce variable torsion Power.For the former, it can not meet the needs of different sections of torsion；For the latter, it can cause complicated and cost too high Shortcoming.

Utility model content

The purpose of this utility model is to overcome the above mentioned problem of prior art, there is provided Multi sectional variable torque generation mechanism, It is not only simple in structure, can also meets the needs of different sections of torsion, there is the advantages of cheap cost, stable and strong adaptability.

The purpose of this utility model is achieved through the following technical solutions：

Multi sectional variable torque generation mechanism, including the first pivot, the second pivot set with the first pivot axis parallel, transmission Component and positioning torsion component, transmission component are connected with the first pivot and the second pivot, and cause the first pivot and the second pivot Make synchronous interlock；

The one end of first pivot and the second pivot is respectively provided with the first torsion section and the second torsion section, and the first torsion section is cut Face is rounded, and the section of the second torsion section is in non-circular；

Positioning torsion component includes the first positioning torsion source and the second positioning torsion source, and the first positioning torsion source can be with first First torsion section of pivot and the first torsion section interference engagement of the second pivot, the second positioning torsion source can be with the of the first pivot Second torsion section part interference engagement of two torsion sections and the second pivot.

In the utility model, the other end of the first pivot and the second pivot is provided with extended connecting section, extension connection Baffle ring is provided with section.Wherein, the extended connecting section of the first pivot can be connected with screen end, and the extended connecting section of the second pivot can It is connected with system end, is retractable screen display end by adjusting the first pivot with respect to the circumferential position of the second pivot so.First pivot The end of the one end of axle and the second pivot is provided with thread segment, and screw thread is combined with nut on thread segment.Pass through nut and gear The setting of ring, can be spacing on the first pivot and the second pivot by transmission component and positioning torsion component.

Using when, the section of the first torsion section is rounded, and the first positioning torsion source can be with the first pivot and the second pivot shape Into stable interference engagement, so, the positioning torsion of definite value can be provided for the relative rotation between the first pivot and the second pivot.The The section of two torsion sections is in non-circular, namely the second torsion section has different size of section radial distance structure, the second positioning Torsion source can form local interference engagement with the first pivot and the second pivot, so, only in the first pivot and the second pivot Between there occurs positioning torsion could be provided during the relative rotation of special angle, that is, the second positioning torsion source be the first pivot with Second pivot provides variable positioning torsion.It can be seen that the utility model is not only simple in structure, it can also meet different sections of torsion Demand, there is the advantages of cheap cost, stable and strong adaptability.

To realize the change of the second torsion section section radial distance, meanwhile, also allow for realizing the first pivot and the second pivot With the relative rotation between the second positioning torsion source, further, the both sides of the second torsion section are respectively provided with the face of scabbling.

It is further, described to realize the interference engagement between the first positioning torsion source and the first pivot and the second pivot The both ends in the first positioning torsion source offer the first paragraph torsion that can extend through first pivot and second pivot Through hole, the internal diameter of first paragraph torsion through hole are less than the external diameter of the first torsion section；

Two the first torsion breach connected respectively with two first paragraph torsion through holes are additionally provided with first positioning torsion source.

In the utility model, two first torsion breach extend through the both ends in the first positioning torsion source, and two first torsion lack Mouth sets the rotation work that the first pivot and the relative first positioning torsion source of the second pivot can be realized by the deformation of itself, And the positioning work to the first pivot and the second pivot relative rotation position is realized by the reset of itself.

Further, the first positioning torsion source includes the first positioning torsion piece of several overlappings, and every one first is fixed The first paragraph torsion through hole and the first torsion breach are offered on the torsion piece of position.

In the utility model, the first positioning torsion source can be integral type constituting parts, and this composition part has along the first pivot The axially extending one fixed width of axle；Can also be that the component for being superimposed with multiple first positioning torsion pieces is formed.

To realize the local interference engagement between the second positioning torsion source and the first pivot and the second pivot, further, The both ends in the second positioning torsion source offer the second segment that can extend through first pivot and second pivot Torsion through hole, the internal diameter of second segment torsion through hole are more than the external diameter of the second torsion section；

It is additionally provided with evagination and the interference region in second segment torsion through hole on second positioning torsion source, interference region and the The region area that two sections of torsion through holes are collectively forming is less than the diameter of the second torsion section；

Two the second torsion breach connected respectively with two second segment torsion through holes are additionally provided with second positioning torsion source.

In the utility model, two second torsion breach extend through the both ends in the second positioning torsion source.Two second torsion lack Mouth sets the rotation work that the first pivot and the relative second positioning torsion source of the second pivot can be realized by the deformation of itself, And the positioning work to the first pivot and the second pivot relative rotation position is realized by the reset of itself.Using when, rotate First pivot or the second pivot, the big footpath section when the second torsion section namely the region with larger radial distance connect with interference region When touching, can just larger packing be produced to the first pivot and the second pivot and acted on.

To improve the stability of interference engagement between the second positioning torsion source and the first pivot and the second pivot, further Ground, two interference regions are provided with the second segment torsion through hole, and two interference region faces are set.

It is further, described dry for ease of realizing the rotation of the first pivot and the second pivot relative to the second positioning torsion source The lateral surface for relating to area is set in plane.

Further, the second positioning torsion source includes the second positioning torsion piece of several overlappings, and every one second is fixed The second segment torsion through hole and the second torsion breach are offered on the torsion piece of position.

In the utility model, the second positioning torsion source can be integral type constituting parts, and this composition part has along the second pivot The axially extending one fixed width of axle；Can also be that the component for being superimposed with multiple second positioning torsion pieces is formed.

To realize the synchronous gearing between the first pivot and the second pivot, further, the transmission component includes first Linked gear, the second linked gear and intermediate gear assemblies；

First linked gear is set on first pivot, and is interlocked and set with the first pivot；

Second linked gear is set on second pivot, and is interlocked and set with the second pivot；

Intermediate gear assemblies include the first installing plate, the second installing plate and idler gear group, the both ends of the first installing plate It is connected on the first pivot and the second pivot, the both ends of the second installing plate are connected to the first pivot and the second pivot On, idler gear group includes support shaft and rotated to be set in idler gear in support shaft, and the both ends of support shaft are respectively with first Installing plate and the second installing plate are connected, and idler gear engages with the first linked gear and the second linked gear.

To improve reliability of operation, further, positioning through hole is offered on the first positioning torsion source；The biography The side of dynamic component is extended the positioning extension having through positioning through hole.

The utility model has the advantages that：In the utility model, the first positioning torsion source can with the first pivot and Second pivot forms stable interference engagement, so, can provide definite value for the relative rotation between the first pivot and the second pivot Position torsion.Second torsion section has different size of section radial distance structure, and the second positioning torsion source can be with the first pivot Local interference engagement is formed with the second pivot, so, there occurs special angle only between the first pivot and the second pivot Positioning torsion could be provided during relative rotation, that is, second positioning torsion source provided for the first pivot with the second pivot it is variable Positioning torsion.It can be seen that the utility model is not only simple in structure, can also meet the needs of different sections of torsion, have cost it is cheap, The advantages of stable and strong adaptability.

Brief description of the drawings

, below will be to needed for description the utility model embodiment in order to illustrate more clearly of embodiment of the present utility model The accompanying drawing to be used is briefly described.It will be apparent that drawings in the following description are only described in the utility model Some embodiments, for a person skilled in the art, without creative efforts, can also be according to following Accompanying drawing, obtain other accompanying drawings.

Fig. 1 is the structural representation of one specific embodiment of Multi sectional variable torque generation mechanism described in the utility model Figure；

Fig. 2 is the explosive view of one specific embodiment of Multi sectional variable torque generation mechanism described in the utility model；

Fig. 3 is the structural representation of one specific embodiment of Multi sectional variable torque generation mechanism described in the utility model Figure；

Fig. 4 is that first positioning torsion source is integral type structure in Multi sectional variable torque generation mechanism described in the utility model The structural representation of member；

Fig. 5 is that first positioning torsion piece one is specific real in Multi sectional variable torque generation mechanism described in the utility model Apply the structural representation of example；

Fig. 6 is the first positioning torsion piece and the first pivot in Multi sectional variable torque generation mechanism described in the utility model Structural representation when coordinating with the second pivot；

Fig. 7 is the partial enlarged drawing in A portions shown in Fig. 6；

Fig. 8 is that second positioning torsion piece one is specific real in Multi sectional variable torque generation mechanism described in the utility model Apply the structural representation of example；

Fig. 9 is the second positioning torsion piece and the first pivot in Multi sectional variable torque generation mechanism described in the utility model Structural representation when coordinating with the second pivot；

Figure 10 is the partial enlarged drawing in B portions shown in Fig. 9；

Figure 11 is the second positioning torsion piece and the first pivot in Multi sectional variable torque generation mechanism described in the utility model Structural representation when axle coordinates.

Wherein, parts title corresponding to reference is as follows：10th, the first pivot, the 20, second pivot, 30, transmission group Part, the 31, first linked gear, the 32, second linked gear, the 33, first installing plate, the 331, positioning extension, 34, second installation Plate, 35, support shaft, 36, idler gear, the 51, first torsion section, the 52, second torsion section, 53, the face of scabbling, the 41, first positioning is turned round Power source, the 411, first positioning torsion piece, 4111, first paragraph torsion through hole, the 4112, first torsion breach, 4113, positioning through hole, 42nd, the second positioning torsion source, the 421, second positioning torsion piece, 4211, second segment torsion through hole, 4212, interference region, 4213, the Two torsion breach, 61, extended connecting section, 62, baffle ring, 63, thread segment, 64, nut.

Embodiment

In order that those skilled in the art more fully understands the utility model, below in conjunction with the utility model embodiment In accompanying drawing clear, complete description is carried out to the technical scheme in the embodiment of the utility model.It is it will be apparent that described below Embodiment be only a part in the utility model embodiment, rather than all.The implementation recorded based on the utility model Example, other all embodiments that those skilled in the art obtain without creative efforts are new in this practicality In the range of type protection.

Embodiment 1

As shown in Figure 1 to Figure 3, Multi sectional variable torque generation mechanism, including it is the first pivot 10, parallel with the first pivot 10 The second pivot 20, transmission component 30 and positioning torsion component, the pivot 10 of transmission component 30 and first and the second pivot 20 set It is connected, and causes the first pivot 10 to make synchronous gearing with the second pivot 20；

The one end of first pivot 10 and the second pivot 20 is respectively provided with the first torsion section 51 and the second torsion section 52, and first turns round The section of power section 51 is rounded, and the section of the second torsion section 52 is in non-circular；

Positioning torsion component includes the first positioning torsion source 41 and the second positioning torsion source 42, the energy of the first positioning torsion source 41 With the first torsion section 51 of the first pivot 10 and the interference engagement of the first torsion section 51 of the second pivot 20, the second positioning torsion source 42 Can be with the second torsion section 52 of the first pivot 10 and the 52 local interference engagement of the second torsion section of the second pivot 20.

In the present embodiment, the other end of the first pivot 10 and the second pivot 20 is provided with extended connecting section 61, extension Baffle ring 62 is provided with linkage section 61.Wherein, the extended connecting section 61 of the first pivot 10 can be connected with screen end, the second pivot 20 Extended connecting section 61 can be connected with system end, so, pass through the circumferential position of relative second pivot 20 of the pivot 10 of regulation first I.e. retractable screen display end.The end of the one end of first pivot 10 and the second pivot 20 is provided with thread segment 63, thread segment 63 Upper screw thread is combined with nut 64., can be spacing by transmission component 30 and positioning torsion component by the setting of nut 64 and baffle ring 62 On the first pivot 10 and the second pivot 20.

Using when, the section of the first torsion section 51 is rounded, and the first positioning torsion source 41 can be with the first pivot 10 and second Pivot 20 forms stable interference engagement, so, can provide definite value for the relative rotation between the first pivot 10 and the second pivot 20 Positioning torsion.The section of second torsion section 42 is in non-circular, namely the second torsion section 42 is with different size of section radial direction Distance structure, the second positioning torsion source 42 can form local interference engagement with the first pivot 10 and the second pivot 20, so, only Have between the first pivot 10 and the second pivot 20 there occurs positioning torsion could be provided during the relative rotation of special angle, that is, Second positioning torsion source 42 is that the first pivot 10 and the second pivot 20 provide variable positioning torsion.It can be seen that the present embodiment is not It is only simple in construction, can also meet the needs of different sections of torsion, there is the advantages of cheap cost, stable and strong adaptability.

To realize the change of the section radial distance of the second torsion section 52, meanwhile, also allow for realizing the first pivot 10 and second Pivot 20 and second positions the relative rotation between torsion source 42, it is preferable that the both sides of the second torsion section 52, which are respectively provided with, cuts Plane 53.

To improve reliability of operation, it is preferable that offer positioning through hole 4113 on the first positioning torsion source 41；Institute The side for stating transmission component 30 is extended the positioning extension 331 having through positioning through hole 4113.

Embodiment 2

As shown in Fig. 4 to Figure 11, to realize that the interference between the first positioning torsion source and the first pivot and the second pivot is matched somebody with somebody Close, the present embodiment has been made on the basis of embodiment 1 and limited further below：The both ends in the first positioning torsion source 41 The first paragraph torsion through hole 4111 of first pivot 10 and second pivot 20, first paragraph torsion can be extended through by offering The internal diameter of through hole 4111 is less than the external diameter of the first torsion section 51；

Two the first torsions connected respectively with two first paragraph torsion through holes 4111 are additionally provided with first positioning torsion source 41 Power breach 4112.

In the present embodiment, two first torsion breach 4112 extend through the both ends in the first positioning torsion source 41.Two first turn round Setting for power breach 4112 can realize 20 relative first positioning torsion of the first pivot 10 and the second pivot by the deformation of itself The rotation work in source 41, and the first pivot 10 and the relative rotation position of the second pivot 20 are determined to realize by the reset of itself Position work.

Preferably, first positioning torsion piece 411 of the first positioning torsion source 41 including several overlappings, every one first The first paragraph torsion through hole 4111 and the first torsion breach 4112 are offered on positioning torsion piece 411.

In the present embodiment, the first positioning torsion source 41 can be integral type constituting parts, and this composition part has along the first pivot The axially extending one fixed width of axle 10；Can also be that the component for being superimposed with multiple first positioning torsion pieces 411 is formed.

Embodiment 3

To realize the local interference engagement between the second positioning torsion source 42 and the first pivot 10 and the second pivot 20, this reality Apply example and made on the basis of embodiment 1 and limited further below：The both ends in the second positioning torsion source 42 offer The second segment torsion through hole 4211 of first pivot 10 and second pivot 20, second segment torsion through hole can be extended through 4211 internal diameter is more than the external diameter of the second torsion section 52；

Evagination and the interference region 4212 in second segment torsion through hole 4211 are additionally provided with second positioning torsion source 42, Interference region 4212 is less than the diameter of the second torsion section 52 with the region area that second segment torsion through hole 4211 is collectively forming；

Two the second torsions connected respectively with two second segment torsion through holes 4211 are additionally provided with second positioning torsion source 42 Power breach 4213.

In the present embodiment, two second torsion breach 4213 extend through the both ends in the second positioning torsion source 42.Two second turn round Setting for power breach 4213 can realize 20 relative second positioning torsion of the first pivot 10 and the second pivot by the deformation of itself The rotation work in source 42, and the first pivot 10 and the relative rotation position of the second pivot 20 are determined to realize by the reset of itself Position work.Using when, the first pivot 10 or the second pivot 20 are rotated, when the big footpath section of the second torsion section 52 namely with larger When the region of radial distance contacts with interference region, larger packing effect can be just produced to the first pivot 10 and the second pivot 20.

It is excellent to improve the stability of interference engagement between the second positioning torsion source 42 and the first pivot 10 and the second pivot 20 Selection of land, two interference regions 4212 are provided with the second segment torsion through hole 4211, and the face of two interference region 4212 is set.

For ease of realizing the rotation of the first pivot 10 and the second pivot 20 relative to the second positioning torsion source 42, it is preferable that institute The lateral surface for stating interference region 4212 is set in plane.

Preferably, second positioning torsion piece 421 of the second positioning torsion source 42 including several overlappings, every one second The second segment torsion through hole 4211 and the second torsion breach 4213 are offered on positioning torsion piece 421.

In the present embodiment, the second positioning torsion source 42 can be integral type constituting parts, and this composition part has along the second pivot The axially extending one fixed width of axle 20；Can also be that the component for being superimposed with multiple second positioning torsion pieces 421 is formed.

Embodiment 4

To realize the synchronous gearing between the first pivot 10 and the second pivot 20, this implementation is made on the basis of embodiment 1 Go out and limited further below：The transmission component 30 includes the first linked gear 31, the second linked gear 32 and idler gear Component；

First linked gear 31 is set on first pivot 10, and is interlocked and set with the first pivot 10；

Second linked gear 32 is set on second pivot 20, and is interlocked and set with the second pivot 20；

Intermediate gear assemblies include the first installing plate 33, the second installing plate 34 and idler gear group, the first installing plate 33 Both ends are connected on the first pivot 10 and the second pivot 20, and the both ends of the second installing plate 34 are connected to the first pivot On the pivot 20 of axle 10 and second, idler gear group includes support shaft 35 and rotates the idler gear 36 being set in support shaft 35, The both ends of support shaft 35 are connected with the first installing plate 33 and the second installing plate 34 respectively, the linked gear 31 of idler gear 36 and first Engaged with the second linked gear 32.

In the present embodiment, to meet the needs of position between the first linked gear 31 and the second linked gear 32, it can be set There are two groups of idler gear groups, the idler gear 36 in two idler gear groups is meshed, and one of idler gear 36 and first Linked gear 31 engages, and another idler gear 36 engages with the second linked gear 32.

Above content is to combine the further description that specific preferred embodiment is made to the utility model, it is impossible to is recognized Determine specific embodiment of the present utility model and be confined to these explanations.For the common skill of the utility model art For art personnel, the other embodiment that is drawn in the case where not departing from the technical solution of the utility model should be included in this practicality In new protection domain.

Claims (10)

1. Multi sectional variable torque generation mechanism, including the first pivot（10）And the first pivot（10）The second pivot be arrangeding in parallel Axle（20）, transmission component（30）And positioning torsion component, transmission component（30）With the first pivot（10）With the second pivot（20）Phase Connect, and cause the first pivot（10）With the second pivot（20）Make synchronous interlock；It is characterized in that：

First pivot（10）With the second pivot（20）One end be respectively provided with the first torsion section（51）With the second torsion section（52）, the One torsion section（51）Section it is rounded, the second torsion section（52）Section in non-circular；

Positioning torsion component includes the first positioning torsion source（41）With the second positioning torsion source（42）, the first positioning torsion source（41） Can be with the first pivot（10）The first torsion section（51）With the second pivot（20）The first torsion section（51）Interference engagement, second is fixed Position torsion source（42）Can be with the first pivot（10）The second torsion section（52）With the second pivot（20）The second torsion section（52）Office Portion's interference engagement.

2. Multi sectional variable torque generation mechanism according to claim 1, it is characterised in that：The second torsion section（52） Both sides be respectively provided with the face of scabbling（53）.

3. Multi sectional variable torque generation mechanism according to claim 1, it is characterised in that：The first positioning torsion source （41）Both ends offer and can extend through first pivot（10）With second pivot（20）First paragraph torsion lead to Hole（4111）, first paragraph torsion through hole（4111）Internal diameter be less than the first torsion section（51）External diameter；

First positioning torsion source（41）On be additionally provided with two respectively with two first paragraph torsion through holes（4111）The first of connection is turned round Power breach（4112）.

4. Multi sectional variable torque generation mechanism according to claim 3, it is characterised in that：The first positioning torsion source （41）The first positioning torsion piece including several overlappings（411）, every one first positioning torsion piece（411）On offer it is described First paragraph torsion through hole（4111）With the first torsion breach（4112）.

5. Multi sectional variable torque generation mechanism according to claim 1, it is characterised in that：The second positioning torsion source （42）Both ends offer and can extend through first pivot（10）With second pivot（20）Second segment torsion lead to Hole（4211）, second segment torsion through hole（4211）Internal diameter be more than the second torsion section（52）External diameter；

Second positioning torsion source（42）On be additionally provided with evagination and be located at second segment torsion through hole（4211）Interior interference region （4212）, interference region（4212）With second segment torsion through hole（4211）The region area being collectively forming is less than second torsion Section（52）Diameter；

Second positioning torsion source（42）On be additionally provided with two respectively with two second segment torsion through holes（4211）The second of connection is turned round Power breach（4213）.

6. Multi sectional variable torque generation mechanism according to claim 5, it is characterised in that：The second segment torsion through hole （4211）On be provided with two interference regions（4212）, and two interference regions（4212）Face is set.

7. Multi sectional variable torque generation mechanism according to claim 5, it is characterised in that：The interference region（4212）'s Lateral surface is set in plane.

8. Multi sectional variable torque generation mechanism according to claim 5, it is characterised in that：The second positioning torsion source （42）The second positioning torsion piece including several overlappings（421）, every one second positioning torsion piece（421）On offer it is described Second segment torsion through hole（4211）With the second torsion breach（4213）.

9. Multi sectional variable torque generation mechanism according to claim 1, it is characterised in that：The transmission component（30）Bag Include the first linked gear（31）, the second linked gear（32）And intermediate gear assemblies；

First linked gear（31）It is set in first pivot（10）On, and with the first pivot（10）Interlock and set；

Second linked gear（32）It is set in second pivot（20）On, and with the second pivot（20）Interlock and set；

Intermediate gear assemblies include the first installing plate（33）, the second installing plate（34）And idler gear group, the first installing plate（33） Both ends be connected to the first pivot（10）With the second pivot（20）On, the second installing plate（34）Both ends connect respectively In the first pivot（10）With the second pivot（20）On, idler gear group includes support shaft（35）Support shaft is set in rotation（35） On idler gear（36）, support shaft（35）Both ends respectively with the first installing plate（33）With the second installing plate（34）It is connected, in Between gear（36）With the first linked gear（31）With the second linked gear（32）Engage.

10. Multi sectional variable torque generation mechanism according to claim 4, it is characterised in that：The first positioning torsion Source（41）On offer positioning through hole（4113）；The transmission component（30）Side be extended have through positioning through hole （4113）Positioning extension（331）.