CN203003905U - Bendable and telescoping flexible continuum mechanical structure - Google Patents
Bendable and telescoping flexible continuum mechanical structure Download PDFInfo
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- CN203003905U CN203003905U CN 201320007110 CN201320007110U CN203003905U CN 203003905 U CN203003905 U CN 203003905U CN 201320007110 CN201320007110 CN 201320007110 CN 201320007110 U CN201320007110 U CN 201320007110U CN 203003905 U CN203003905 U CN 203003905U
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Abstract
The utility model relates to a bendable and telescoping flexible continuum mechanical structure. The continuum mechanical structure comprises a distal structure body, a proximal structure body and a middle connecting body; the distal structure body comprises distal interval plates, a distal locking plate and structure ribs; the proximal structure body comprises proximal interval plates, a proximal locking plate and structure ribs; the middle connecting body comprises pipeline fixing boards and pipelines, wherein the distal structure body is related to the proximal structure body via the middle connecting body; one ends of the structure ribs are fixed to the proximal locking plate; the structure ribs penetrate the proximal interval plates, the middle connecting body and the distal interval plates in sequence; and the other ends of the structure ribs are fixed to the distal locking plate, so that when the proximal structure body is driven to bend and/or telescope in any direction, the distal structure body correspondingly bends and/or telescopes in the opposite direction. The bendable and telescoping flexible continuum mechanical structure can bend and/or telescope in an extremely simple structure, and has a wide range of use.
Description
Technical field
The utility model relates to the fields such as medicine equipment, industrial automation, is specifically related to the curved retractable and flexible non-individual body frame for movement for medicine equipment, industrial automation equipment etc.
Background technology
In the existing frame for movement that curves, controllable bending transhipment is moving be substantially by two rigidity being hinged or flexible link by the articulation joint place relatively rotate realize.When realizing a plurality of series connection that independently curves motion by this kind structure, the difficulty of arranging due to transmission generally need to be installed driver element (as motor, hydraulic mandril etc.) at each articulation joint place; Thereby the far-end driver element becomes the load of near-end driver element, and this can make the implementation structure of this kind function relatively complicated, size is relatively large.
In the occasions such as medical operating or the dark chamber detection of industry, need to curve with minimum Outside Dimensions structure multiple degrees of freedom the apparatus of function more, especially detect at the Minimally Invasive Surgery that is used for patient or industry dark chamber, aforementionedly realize that by the mode of being hinged the scheme of the frame for movement of connecting has shown many defectives that is difficult to overcome.
The utility model content
The purpose of this utility model is a kind of frame for movement of utility model, and this frame for movement can be received and can be curved scalablely, can bear a fixed load (moment of torsion, external force etc.), can realize with the structure that the utmost point is simplified multivariant far-end flexible operating.
For achieving the above object, the utility model provides a kind of flexible non-individual body frame for movement, it is characterized in that, comprising:
The distal structure body, described distal structure body comprises far-end space disc, far-end locking plate and structural bone;
The proximal structure body, described proximal structure body comprises near-end space disc, near-end locking plate and structural bone, and the structural bone on described distal structure body is fixedly connected with corresponding structural bone on described proximal structure body or is same root architecture bone; And
The middle part connector, described middle part connector comprises pipeline fixed head and pipeline;
Wherein, described distal structure body is related with described proximal structure body via described middle part connector, structural bone one end is fixed in the near-end locking plate, pass successively near-end space disc, middle part connector, far-end space disc, the other end is fixed in the far-end locking plate, make when driving described proximal structure body when any direction curves, described distal structure body correspondingly curves in the opposite direction, perhaps, when the described proximal structure body of driving elongated or shortened, described distal structure body correspondingly shortened or extends.
In a preferred embodiment of the present utility model, the structural bone of the correspondence of the structural bone of described distal structure body and described proximal structure body is same root architecture bone, and described structural bone length can be measured, can estimate or constant.
The utility model also provides another kind of flexible non-individual body frame for movement, it is characterized in that, comprising:
The distal structure body, described distal structure body comprises far-end space disc, far-end locking plate and structural bone;
The proximal structure body, described proximal structure body comprises near-end space disc, near-end locking plate and structural bone, and the structural bone on described distal structure body is fixedly connected with corresponding structural bone on described proximal structure body or is same root architecture bone;
The middle part connector, described middle part connector comprises pipeline fixed head and pipeline; And
Driving mechanism, be used for driving described proximal structure body motion, described driving mechanism forms by driving locking plate, driving space disc, drives structure bone and driving fixed disk, described drives structure bone one end is fixed on described driving locking plate, and passes successively described driving space disc and drive fixed disk;
Wherein, described distal structure body is related with described proximal structure body via described middle part connector, and structural bone one end is fixed in the near-end locking plate, passes successively near-end space disc, middle part connector, far-end space disc, and the other end is fixed in the far-end locking plate;
Described driving mechanism is connected with described proximal structure body, make when driving described drives structure bone, described driving mechanism drives described proximal structure body and curves towards any direction, described distal structure body correspondingly curves in the opposite direction, perhaps, described driving mechanism drives described proximal structure body and elongates or shortens, and described distal structure body correspondingly shortens or extends.
In another preferred embodiment of the present utility model, the structural bone of described distal structure body and described proximal structure body is made of thin elastic rod or elastic tubule, described far-end locking plate has respectively identical via arrangement with described far-end space disc, described near-end locking plate and described near-end space disc, and is the rigidity disk-like structure.
In another preferred embodiment of the present utility model, keep certain distance between described near-end space disc and between near-end space disc and near-end locking plate, and described near-end space disc act as the position of limiting structure bone and prevents structural bone unstability when being subject to thrust.
In another preferred embodiment of the present utility model, keep certain distance between described far-end space disc and between far-end space disc and far-end locking plate, and described far-end space disc act as the position of limiting structure bone and prevents structural bone unstability when being subject to thrust.
In another preferred embodiment of the present utility model, described middle part connector is made of three above pipelines and 2 above pipeline fixed heads, and the structural bone of described non-individual body frame for movement runs through described pipeline, one end extends in described distal structure body, passing described far-end space disc is fixed on described far-end locking plate, the other end extends in described proximal structure body, passes described near-end space disc and is fixed on described near-end locking plate.
In another preferred embodiment of the present utility model, described flexible non-individual body frame for movement is received the 2 above proximal structure bodies of joint and 2 and is saved above distal structure bodies to obtain higher kinematic dexterity.
In another preferred embodiment of the present utility model, described middle part connector has two pipeline fixed heads, the two ends of described pipeline are separately fixed on two pipeline fixed heads, and the structural bone of the proximal structure body of non-individual body frame for movement can be passed one, pipeline in two pipeline fixed heads successively, and another pipeline fixed head, then enter the distal structure body.
In another preferred embodiment of the present utility model, described proximal structure body has a near-end locking plate, a plurality of near-end space disc; Described distal structure body has a far-end locking plate, a plurality of far-end space disc; Described proximal structure body and described distal structure body share many root architectures bone, and the length of structural bone can be measured, can estimate or is constant; And described structural bone one end is fixed in described far-end locking plate, and pass successively described far-end space disc, described middle part connector, and described near-end space disc, then be fixed in described near-end locking plate, make described proximal structure body driven when any direction curves and/or stretch, described distal structure body curves in the opposite direction and/or is flexible.
In another preferred embodiment of the present utility model, the near-end locking plate of described proximal structure body is ring-type, is provided with a plurality of driving connecting holes radially on the outer circumferential side of ring, is used for described proximal structure body is connected to driving mechanism.
In another preferred embodiment of the present utility model, the thin elastic rod of described structural bone or elastic tubule consist of, and its quantity is more than or equal to 3.
In flexible non-individual body frame for movement of the present utility model, preferably, driving mechanism has one and drives locking plate, a plurality of driving space disc, many drives structure bones, and driving fixed disk, described driving locking plate is fixedly connected with the near-end locking plate of described proximal structure body, described driving fixed disk is fixedly connected with the fixed head of described middle part connector, make when driving described driving mechanism when any direction curves and/or stretch, described proximal structure body correspondingly curves and/or stretches towards any direction.
In flexible non-individual body frame for movement of the present utility model, preferably, the drives structure bone is made of thin elastic rod or elastic tubule, and its quantity is more than or equal to 3, and by artificial or by the Mechatronic Systems of automatic control realize correspondingly pushing away, roping is moving.
In flexible non-individual body frame for movement of the present utility model, preferably, driving mechanism is received becomes the more piece driving mechanism to realize the driving to the non-individual body frame for movement of receiving more piece proximal structure body and distal structure body.
Preferably, described near-end space disc and described far-end space disc are ring-type, are provided with a plurality ofly to pass the structural bone hole for structural bone on ring.
Preferably, the outer circumferential side that faces the pipeline fixed head that leans on described proximal structure body of described middle part connector is provided with a plurality of driving connecting holes radially, is used for being connected with driving mechanism.
Preferably, described pipeline is arbitrary shape, rigidity or flexibility, but its length must can be measured, can estimate or is constant.
The utility model also provides another kind of flexible non-individual body frame for movement, it is characterized in that, comprising:
The distal structure body, described distal structure body comprises far-end space disc, far-end locking plate and structural bone;
The proximal structure body, described proximal structure body comprises near-end space disc, near-end locking plate and structural bone, and the structural bone on described distal structure body is fixedly connected with corresponding structural bone on described proximal structure body or is same root architecture bone; And
The middle part connector, described middle part connector comprises two with upper mounted plate, described fixed head is provided with a plurality of holes that supply structural bone to pass;
Wherein, described distal structure body is related with described proximal structure body via described middle part connector, structural bone one end is fixed in the near-end locking plate, pass successively near-end space disc, middle part connector, far-end space disc, the other end is fixed in the far-end locking plate, make when driving described proximal structure body when any direction curves, described distal structure body correspondingly curves in the opposite direction, perhaps, when the described proximal structure body of driving elongated or shortened, described distal structure body correspondingly shortened or extends.
Flexible non-individual body frame for movement of the present utility model with very simple, compact structure realized controlling in the near-end operation distal end body towards any direction curve and/or flexible, at medical field, the industrial automation equipment aspect has very widely to be used.
Description of drawings
Fig. 1 is the stereogram of the first embodiment of flexible non-individual body frame for movement of the present utility model;
Fig. 2 is the stereogram of a variation of the first embodiment of flexible non-individual body frame for movement of the present utility model;
Fig. 3 is the stereogram of another variation of the first embodiment of flexible non-individual body frame for movement of the present utility model;
Fig. 4 a-4b is the stereogram of another variation of the first embodiment of flexible non-individual body frame for movement of the present utility model, and wherein Fig. 4 b is the partial enlarged drawing of A part in Fig. 4 a;
Fig. 5 is the structural representation of the first embodiment of the driving mechanism of non-individual body frame for movement of the present utility model;
Fig. 6 is the structural representation after circular ring section non-individual body frame for movement of the present utility model is assembled to driving mechanism;
Fig. 7 is the structural representation after side of the present utility model ring section non-individual body frame for movement is assembled to driving mechanism;
Fig. 8 is the structural representation after non-complete annular of the present utility model cross section non-individual body frame for movement is assembled to driving mechanism;
Fig. 9 is the structural representation after the ring section non-individual body frame for movement of middle part of the present utility model constraint is assembled to driving mechanism;
Figure 10 is the structural representation of ring section of the present utility model two joint non-individual body frame for movements;
Figure 11 a and 11b are another structural representations of ring section of the present utility model two joint non-individual body frame for movements, and wherein Figure 11 b is the partial enlarged drawing of B part in Figure 11 a;
Figure 12 is the structural representation of non-individual body frame for movement two joint driving mechanisms of the present utility model;
Figure 13 is the structural representation after ring section of the present utility model two joint non-individual body frame for movements are assembled to two joint driving mechanisms; And
Figure 14 is the structural representation after another ring section two joint non-individual body frame for movements of the present utility model are assembled to two joint driving mechanisms.
The specific embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is elaborated, in order to clearlyer understand the purpose of this utility model, characteristics and advantage.It should be understood that embodiment shown in the drawings is not the restriction to the utility model scope, and just for the connotation of technical solutions of the utility model is described.In specification, identical Reference numeral represents same or analogous parts.
The utility model proposes a kind of receiving and to curve retractable and flexible non-individual body frame for movement, this structure can realize controlled curving and stretching motion, and have certain load ability to bear, also can realize by the mode of receiving a plurality ofly curving, the series connection of stretching motion.The driving mechanism of this frame for movement can separate with flexible non-individual body frame for movement, thereby realizing that the replaceable and secondary driving mechanism of driving mechanism can drive many pairs should flexibility non-individual body frame for movement.
Specifically, this flexibility non-individual body frame for movement is comprised of a distal structure body, proximal structure body and middle part connector.The distal structure body is related with the proximal structure body via the middle part connector.The distal structure body is comprised of far-end space disc, far-end locking plate and structural bone.The proximal structure body is comprised of near-end space disc, near-end locking plate and structural bone.The middle part connector is comprised of pipeline (being preferably rigid conduit) and pipeline fixed head.
Driving mechanism can be connected with the proximal structure body and can drive the proximal structure body, and under the driving of driving mechanism, the proximal structure body can curve and/or flexible towards any direction, and drives thus the distal structure body and curve and/or flexible towards any direction.
Distal structure body inner structure bone is made of thin elastic rod or elastic tubule, can bearing tension or thrust, and its quantity and distribute and can set according to demand.Far-end locking plate and far-end space disc are the rigidity disk-like structure, has identical via arrangement, on the far-end space disc, the aperture is slightly larger than the structural bone external diameter to guarantee that structural bone can therefrom pass freely through, on the far-end locking plate, the aperture partly or entirely is slightly less than the structural bone external diameter, make part or all of structural bone to slide with respect to locking plate, perhaps also can part or all of structural bone be locked on the far-end locking plate by other locking device.The layout in the shape of far-end locking plate and far-end space disc and upper hole thereof all can be formulated according to design requirement (simplified example is that far-end locking plate and far-end space disc are circular ring, and several through holes along the circumferential direction evenly distribute).Keep certain distance between space disc and between space disc and locking plate, space disc play a role is for the position of limiting structure bone and prevent structural bone unstability when being subject to thrust.
Proximal structure body inner structure bone also is made of thin elastic rod or elastic tubule, can bearing tension or thrust, and its quantity can be set according to demand.Near-end locking plate and near-end space disc are the rigidity disk-like structure, has identical via arrangement, on the near-end space disc, the aperture is slightly larger than the structural bone external diameter to guarantee that structural bone can therefrom pass freely through, on the near-end locking plate, the aperture partly or entirely is slightly less than the structural bone external diameter, makes part or all of structural bone to slide with respect to locking plate.The layout in the shape of near-end locking plate and near-end space disc and upper hole thereof all can be set according to design requirement (simplified example is that near-end locking plate and near-end space disc are circular ring, and several through holes along the circumferential direction evenly distribute).Keep certain distance between the space disc of proximal structure body and between space disc and locking plate, space disc play a role is for the position of limiting structure bone and prevent structural bone unstability when being subject to thrust.
Middle part connector interior conduit is fixed by two or two above pipeline fixed heads, but the equal Set arbitrarily of the shape of pipeline, sensing, length, crooked situation, drift condition.The quantity of pipeline can be set according to the quantity of distal structure bone and proximal structure bone.The Continuum Structure bone runs through the pipeline in the connector of middle part; One end extends in the distal structure body, passes the far-end space bar and is fixed on the far-end locking plate; The other end extends in the proximal structure body, passes the near-end space bar and is fixed on the near-end locking plate.
When the middle part connector keeps fixedly, because each structural bone length can be measured, can estimate or constant, curve the proximal structure body and will make the distal structure body curve round about, always curving arbitrarily of distal structure body can realize by corresponding the curving of proximal structure body.The proximal structure body can also make its length increase by driving, the corresponding shortening of the length of distal structure body, and vice versa.In a word, the distal structure body curves and stretches to any direction, all can be realized by the respective drive of proximal structure body.The distal structure body can be more large and small or approximate than proximal structure body on Outside Dimensions, to adapt to the performance need of different motion occasion.
The flexible non-individual body frame for movement of this kind can be received successively becomes more piece non-individual body frame for movement, can receive successively more piece proximal structure body and/or more piece distal structure body.Two proximal structure bodies and two distal structure bodies for example can have been received successively, wherein, middle proximal structure body and distal structure body consist of a non-individual body frame for movement, and the proximal structure body and the distal structure body that are positioned at two ends consist of No. two non-individual body frame for movements, No. one and No. two shared middle part connectors of non-individual body frame for movements.The structural bone of No. two non-individual body frame for movements first is connected with No. two non-individual body far-end locking plates, pass non-individual body far-end space disc No. two, pass successively again distal structure body, the pipeline in shared middle part connector and the proximal structure body of a non-individual body of a non-individual body frame for movement, pass non-individual body near-end space disc No. two, be affixed on No. two non-individual body near-end locking plates.If in a non-individual body frame for movement, structural bone is tubule, in No. two non-individual body frame for movements, structural bone can be passed with one heart the structural bone of a non-individual body frame for movement and be connected in the distal structure body and proximal structure body of No. two non-individual body frame for movements.The structural bone of No. two non-individual body frame for movements also can not consist of relative motion relation and directly passes shared middle part connector and be connected in the distal structure body and proximal structure body of No. two non-individual body frame for movements with a non-individual body frame for movement.Curving arbitrarily and stretching of the distal structure body of two joint non-individual body frame for movements all can realize by the proximal structure body that drives this two joints non-individual body frame for movement.In like manner can receive a plurality of non-individual body frame for movements to realize a plurality of series connection that curve with stretching motion, to obtain higher kinematic dexterity.High-intensity structural bone (for example consisting of with Nitinol or stainless steel) can make this structure have the ability of the load of bearing when realizing flexible motion, this ability is determined by the factors such as diameter, material, radical, distribution and length of each structural bone in non-individual body frame for movement, this ability also can be adjusted by controlling in non-individual body the relevant parameter of structural bone and space disc, can realize having very high load-carrying ability or lower load-carrying ability but be easier under the external force condition Passive deformation to adapt to surrounding environment.
The above-mentioned driving mechanism that this kind non-individual body frame for movement is driven of being used for, driving mechanism can separate with this non-individual body frame for movement, thereby realizes that the replaceable and secondary driving mechanism of driving mechanism can drive how secondary non-individual body frame for movement.Driving mechanism forms by driving locking plate, driving space disc, drives structure bone and driving fixed disk.
The drives structure bone is made of thin elastic rod or elastic tubule, can bearing tension or thrust, its quantity must be more than or equal to 3, can by artificial or by the Mechatronic Systems of automatic control with realize correspondingly pushing away, roping is moving.Driving locking plate and driving space disc is rigid structure (shape can be circular or non-circular), has identical via arrangement, driving on space disc the aperture is slightly larger than drives structure bone external diameter and can therefrom passes freely through to guarantee the drives structure bone, on the driving locking plate, the aperture partly or entirely is slightly less than drives structure bone external diameter, makes part or all of drives structure bone to slide with respect to driving locking plate.
Driving locking plate and driving in fixed disk has large through-hole, and the proximal structure body that can hold non-individual body frame for movement passes through.Drive locking plate and driving fixed disk also can by latch respectively with non-individual body frame for movement in the near-end locking plate and the pipeline fixed head of middle part connector be connected.The collaborative push-and-pull of drives structure bone drives and can realize curving arbitrarily and stretching of driving mechanism, the motion that drives locking plate in driving mechanism drives the motion of near-end locking plate in this non-individual body frame for movement, thereby realize curving arbitrarily and stretching of proximal structure body, finally realize curving and stretching of distal structure body.
Driving mechanism also can be received becomes the more piece driving mechanism to realize the driving to the non-individual body frame for movement after receiving.For example, when non-individual body frame for movement has been received two proximal structure bodies and two distal structure bodies, correspondingly, can be provided with two joint driving mechanisms.After receiving, the drives structure bone of No. two driving mechanisms is fixed on the driving locking plate of No. two driving mechanisms, after passing the driving space disc of No. two driving mechanisms, pass the driving locking plate of a driving mechanism and drive space disc, drive by artificial or dynamo-electric, realize No. two driving mechanisms curve and flexible, thereby drive No. two non-individual body frame for movements the proximal structure body curve and flexible, and finally realize No. two non-individual body frame for movements the distal structure body curve and flexible.
Fig. 1 illustrates the stereogram according to the first embodiment of flexible non-individual body frame for movement of the present utility model.As Fig. 1, flexible non-individual body frame for movement 100 is comprised of distal structure body 1, middle part connector 2 and proximal structure body 3.Distal structure body 1 comprises far-end locking plate 4, far-end space disc 5 and structural bone 6, and middle part connector 2 comprises pipeline fixed head 7,9 and pipeline 8, and proximal structure body 3 comprises near-end space disc 10, near-end locking plate 11 and structural bone 6.In the present embodiment, structural bone 6 on distal structure body 1 and the structural bone 6 of the correspondence on the proximal structure body are same root architecture bone, but one skilled in the art should appreciate that, structural bone on distal structure body 1 can not be also same root architecture bone with corresponding structural bone 6 on the proximal structure body, but is fixed together by various syndetons.Structural bone 6 lock onto on far-end locking plate 4, and passes far-end space disc 5, pipeline 8, near-end space disc 10, lock onto on near-end locking plate 11.Structural bone 6 length in this non-individual body frame for movement can be measured, can estimate or keep constant.Near-end locking plate 11 is connected with the pipeline fixed head and is provided with pin hole 112 and 92 for being connected with driving mechanism.
Specifically, distal structure body 1 has a far-end locking plate 4, a plurality of far-end space disc 5 and many root architectures bone 6.The quantity of far-end space disc is set according to the length of needed distal structure body, and the quantity of structural bone is set according to load and the compliance of required realization, be provided with 8 root architecture bones 6 shown in Fig. 1 in embodiment, but can be also 3,4,5,6 ... 19,20 ... root etc.Structural bone can be thin elastic rod or elastic tubule.Far-end locking plate 4 and far-end space disc 5 can have any suitable annular or semi-toroidal shape.In embodiment shown in Figure 1, far-end locking plate 4 is circular, which is provided with a plurality of structural bone locking holes 41 for locking mechanism bone 6, and structural bone locking hole 41 is diameters that diameter is slightly less than structural bone.The shape of far-end space disc 5 is identical with the shape of far-end locking plate 4, and the slightly larger in diameter in the structural bone hole 51 on it allows structural bone 6 freely to pass far-end space disc 5 in the diameter of structural bone 6 thus.When assembling, can between structural bone 6 surfaces and space disc 5, resilient sleeve be set, perhaps in space disc 5 periphery parcel one deck resilient sleeve, make each space disc 5 evenly distribute all the time, allow simultaneously structural bone 6 to slide with respect to space disc 5.
Proximal structure body 3 has a near-end locking plate 11, a plurality of near-end space disc 10 and many root architectures bone 6.The quantity of near-end space disc is set according to the length of needed proximal structure body, and the quantity of structural bone depends on the quantity of structural bone in the distal structure body, is provided with 8 root architecture bones 6 shown in Fig. 1 in embodiment.Near-end locking plate 11 and near-end space disc 10 can have any suitable annular or semi-toroidal shape.In embodiment shown in Figure 1, near-end locking plate 11 is circular, which is provided with the structural bone fixing hole 111 for fixed structure bone 6, can be by bonding, welding, or interference fit etc. is fixed to structural bone 6 in structural bone fixing hole 111.Perhaps, also can be provided with clamping device on the near-end locking plate, thereby structural bone 6 is clamped on near-end locking plate 11.Also be provided with the driving connecting hole 112 that 4 driving connecting hole 112(radially can arrange suitable quantity as required on the outer circumferential side of near-end locking plate 11), be used for being connected with driving mechanism, hereinafter will be described in more detail.The shape of the shape of near-end space disc 10 and near-end locking plate 11 is basic identical, and the slightly larger in diameter in the structural bone hole 101 on it allows structural bone 6 freely to pass near-end space disc 10 in the diameter of structural bone 6 thus.When assembling, can between structural bone 6 surfaces and space disc 10, resilient sleeve be set, perhaps in space disc 10 periphery parcel one deck resilient sleeve, make each space disc 10 evenly distribute all the time, allow simultaneously structural bone 6 to slide with respect to space disc 10.
Middle part connector 2 comprises pipeline fixed head 7, the pipeline 8 that is connected with distal structure body 1, and the pipeline fixed head 9 that is connected with proximal structure body 3.Pipeline fixed head 7 and pipeline fixed head 9 can be any suitable structures which is provided with the hole of passing for pipeline 8 and structural bone.In embodiment shown in Figure 1, pipeline fixed head 7 is the rectangular plate shape part, its middle part be provided with for pipeline 8 pass with equal angles 8 through holes 71 spaced apart.Pipeline fixed head 9 is circular, which is provided with for pipeline 8 pass with equal angles 8 through holes 91 spaced apart.Also be provided with the driving connecting hole 92 that 4 driving connecting hole 92(radially can arrange suitable quantity as required on the outer circumferential side of pipeline fixed head 9), be used for being connected with driving mechanism.The two ends of pipeline 8 by welding, connect, or the distribution such as interference fit and pipeline fixed head 7 are connected with through hole 71,91 on the pipeline fixed head is connected.But it is to be noted the equal Set arbitrarily of shape, sensing, length, crooked situation, drift condition of pipeline 8.As shown in Fig. 4 a, pipeline 8 rear shared area of section in bond even can less than distal structure body 1 or proximal structure body 3, hereinafter will be described in more detail.In addition, if when using, pipeline fixed head 7 and pipeline fixed head 9 are fixed, and can cancel pipeline 8, and pipeline fixed head 7 and pipeline fixed head 9 are provided with a plurality of holes that supply structural bone to pass.
After assembling is completed, an end of structural bone 6 is fixed on far-end locking plate 4, passes successively far-end space disc 5, pipeline fixed head 7, pipeline 8, pipeline fixed head 9, and near-end space disc 10, is locked at last on near-end locking plate 11.When by motor or manually order about the driving mechanism (not shown in figure 1) when any direction curves and/or stretch, proximal structure body 3 has correspondingly been realized curving of any direction and flexible.And because the length of structural bone 6 can be measured, can estimate or constant, the proximal structure body curves arbitrarily and stretches also correspondingly having realized, hereinafter will more elaborate.
Fig. 2-4b illustrates three modified examples according to the first embodiment of flexible non-individual body frame for movement of the present utility model.The difference of variation shown in Figure 2 and flexible non-individual body frame for movement shown in Figure 1 is far-end locking plate, the far-end space disc of distal structure body, the space disc of proximal structure body, and the fixing shape of the pipeline of middle part connector.Wherein, far-end locking plate 4 and far-end space disc 5 side's of being ring-types, its cross section is polygonal shape, is provided with the structural bone hole of passing for structural bone 6 on polygonal each limit.The pipeline of middle part connector is fixed 9 and is shaped as plate-like.
The difference of variation shown in Figure 3 and flexible non-individual body frame for movement shown in Figure 1 is the shape of far-end locking plate and the far-end space disc of distal structure body.In the present embodiment, the cross sectional shape of far-end locking plate and far-end space disc is for being with annular jaggy or claiming arc.All the other are identical, are not described in detail in this.
The difference of the variation shown in Fig. 4 a-4b and flexible non-individual body frame for movement shown in Figure 1 is the structure of middle part connector.As shown in Figs. 4a and 4b, middle part connector 2 can be fixed 7 from pipeline and go out to extend a segment distance again on the basis of embodiment shown in Figure 1, and correspondingly increases a plurality of pipeline fixed disks 81 and a pipeline fixed head 7a.The shape that thus, can extend the length of middle part connector and change the middle part connector is to be applicable to different demands.The shape of pipeline fixed disk and the arrangement of pipe hole thereof can be set as required satisfy various different demands.In embodiment shown in Fig. 4 a, pipeline fixed disk 81 is circular, and 4 row 4 that are arranged as of the pipe hole on it are listed as.But one skilled in the art will understand that the pipeline fixed disk that can design as required arbitrary shape and the pipeline fixing hole of arbitrary arrangement.
Fig. 5 illustrates the stereogram according to the first embodiment of the driving mechanism 200 of flexible non-individual body frame for movement of the present utility model.As shown in Figure 5, the driving mechanism of flexible non-individual body frame for movement forms by driving locking plate 13, driving space disc 14, drives structure bone 15 and driving fixed disk 16.Drives structure bone 15 is fixed in to drive on locking plate 13 and can pass freely through and drives space disc 14 and drive fixed disk 16.Activate each drives structure bone 15 by motor or artificial push-and-pull (rectilinear motion), the movement combination of each drives structure bone 15 can realize that driving mechanism curves and stretches towards any direction.Be respectively equipped with for are connected the pin hole 132 and 161 that is connected with the pipeline fixed head with near-end locking plate 11 on driving locking plate 13 and being connected fixed disk 16.
Specifically, driving mechanism has one and drives locking plate 13, a plurality of driving space disc 14, many drives structure bones 15, and one drives fixed disk 16.After assembling, driving mechanism is formed with the through hole along its axis direction, to hold proximal structure body 3.The quantity that drives space disc is set according to the length of proximal structure body, and the quantity of drives structure bone 15 is set according to the load of required realization, but needs at least 3, is provided with 4 drives structure bones 15 shown in Fig. 5 in embodiment.Drive locking plate 13 and drive any suitable shape that space disc 14 can have coupling proximal structure body.In embodiment shown in Figure 5, it be circular driving locking plate 13, which is provided with the structural bone fixing hole 131 for fixed drive structural bone 15, can by bonding, weld, or interference fit etc. is fixed to drives structure bone 15 in structural bone fixing hole 131.Perhaps, also can be provided with clamping device on the driving locking plate, drive on locking plate 13 thereby drives structure bone 15 is clamped to.Also be provided with 4 and drive the driving connecting hole 132 that connecting hole 132(can arrange suitable quantity as required on the outer circumferential side that drives locking plate 13), be used for being connected with the proximal structure body.The shape that drives space disc 14 is basic identical with the shape of near-end space disc 10, and the slightly larger in diameter in the drives structure bone hole 141 on it allows drives structure bone 15 freely to pass driving space disc 14 in the diameter of drives structure bone 15 thus.When assembling, can and drive between space disc 14 on drives structure bone 15 surfaces resilient sleeve is set, perhaps driving space disc 14 periphery parcel one deck resilient sleeve, make each space disc 14 evenly distribute all the time, allow simultaneously drives structure bone 15 to slide with respect to driving space disc 14.
Fig. 6-9 illustrate respectively the structure chart after flexible non-individual body frame for movement 100 in Fig. 1-4b is assembled to driving mechanism 200 in Fig. 5.As shown in Fig. 6-9, proximal structure body 3 is contained in the formed through hole of driving mechanism, and by the driving connecting hole 112 on the proximal structure body with are connected respectively with driving mechanism on pin hole 132 be connected (by latch etc.) with being connected, and flexible non-individual body frame for movement 100 is assemblied on driving mechanism 200.Wherein, near-end locking plate 11 is fixedly connected with driving locking plate 13, and pipeline fixed head 9 is fixedly connected with driving fixed disk 16.
After assembling, the collaborative push-and-pull of drives structure bone 15 drives driving locking plate 13 is curved to any direction, also can make simultaneously the entire length of driving mechanism occur flexible.Be connected by latch with pipeline fixed head 9 with near-end locking plate 11 respectively with driving fixed disk 16 owing to driving locking plate 13, the collaborative push-and-pull of drives structure bone 15 drives and namely makes proximal structure body 3 realize curving of any direction and flexible, thereby has realized curving arbitrarily and stretching of distal structure body 1.
Figure 10 illustrates the structure chart according to the second embodiment of flexible non-individual body frame for movement of the present utility model.In the present embodiment, flexible non-individual body frame for movement can be received successively becomes more piece non-individual body frame for movement, can receive successively more piece proximal structure body and/or more piece distal structure body.Embodiment shown in Figure 10 has received two joint proximal structure bodies and two joint distal structure bodies, and they share a middle part connector.Wherein, each proximal structure body, distal structure body, and the basic structure of middle part connector is identical with embodiment shown in Figure 1, is not described in detail in this.
As shown in figure 10, a proximal structure body 3 and a distal structure body 1 consist of a non-individual body frame for movement, and No. two proximal structure bodies 19 and No. two distal structure bodies 18 consist of No. two non-individual body frame for movements.The distal structure body 18 of No. two non-individual body frame for movements can be received in the proximal structure body 19 of 1, No. two non-individual body frame for movement of distal structure body of a non-individual body frame for movement and receive proximal structure body 3 in a non-individual body frame for movement.the structural bone 20 of No. two non-individual body frame for movements first is connected with No. two non-individual body far-end locking plates 21, pass non-individual body far-end space disc 22 No. two, the distal structure body 1(that passes successively again a non-individual body frame for movement comprises a far-end locking plate 4 and a far-end space disc 5), pipeline 8(pipeline 8 numbers in the middle part connector 2 that shares add the number of the structural bone 20 of No. two non-individual body frame for movements more than or equal to the number of the structural bone 6 of a non-individual body frame for movement) and the proximal structure body 3(of a non-individual body comprise a non-individual body near-end locking plate 11 and a non-individual body near-end space disc 10), pass non-individual body near-end space disc 23 No. two, be affixed on No. two non-individual body near-end locking plates 24.At this moment, all be furnished with through hole in the corresponding position on a non-individual body far-end locking plate 4 and a non-individual body near-end locking plate 11, No. two Continuum Structure bone 20 can pass these through holes flexibly.Be equipped with for the pin hole 242 that is connected with driving mechanism, 112 and 92 on No. two non-individual body near-end locking plates 24, non-individual body near-end locking plate 11 and pipeline fixed head 9.In addition, as required, the proximal structure body of any amount and the distal structure body of any amount can be set realize different stretching and curve motion.
The structural bone 6 of a non-individual body frame for movement in the more piece non-individual body frame for movement shown in Figure 10 is thin elastic rod.But the structural bone 6 of a non-individual body frame for movement can be also elastic tubule.As shown in Figure 11 a and 11b, when it was elastic tubule, No. two Continuum Structure bone 20 can run through from structural bone 6.In addition, the structural bone 6 of a non-individual body can be partly also that thin elastic rod, part are elastic tubule.The number of the pipeline 8 in the connector 2 of middle part need satisfy the demand of passing through of a Continuum Structure bone 6 and No. two Continuum Structure bones 20.
In addition, although locking plate, space disc uiform section in the frame for movement of more piece non-individual body shown in Figure 10 and 11 are circular, it also can be the cross section of arbitrary shape.
Figure 12 illustrates the stereogram according to the driving mechanism of the second embodiment of flexible non-individual body frame for movement of the present utility model.As shown in figure 12, driving mechanism drives locking plate 25, No. two driving space discs 26, No. two drives structure bones 27, driving locking plate 13, driving space disc 14, drives structure bones 15 and drives fixed disk 16 by No. two and forms.No. two drives structure bones 27 are fixed in to drive for No. two on locking plate 25 and can pass freely through No. two and drive space disc 26, driving locking plate 13, a driving space disc 14 and drive fixed disk 16.A drives structure bone 15 is fixed in to drive for No. one on locking plate 13 and can pass freely through and drives space disc 14 and drive fixed disk 16.Be respectively equipped with on driving locking plate 25 for No. two, drive locking plates 13 for No. one and being connected fixed disk 16 for being connected pin hole 252, the pin hole 132 that is connected and pin hole 161 with the pipeline fixed head with No. two near-end locking plates 24, a near-end locking plate 11.
Figure 13 illustrates the structure chart after the flexible non-individual body frame for movement of more piece in Figure 10 is assembled to more piece driving mechanism in Figure 12.The flexible non-individual body frame for movement of more piece is inserted in the more piece driving mechanism, and by latch etc., the flexible non-individual body frame for movement of more piece and more piece driving mechanism is fixed together.After assembling is completed, as shown in figure 13, the collaborative push-and-pull driving of No. two drives structure bones 27 and a drives structure bone 15 (artificial or dynamo-electric the realization) can make No. two driving locking plates 25 and a driving locking plate 13 curve to any direction, also can make simultaneously two joint length of driving mechanism stretch respectively.Because No. two driving locking plates 25, a driving locking plate 13 are connected by latch with pipeline fixed head 9 with No. two near-end locking plates 24, a near-end locking plate 11 respectively with driving fixed disk 16, drives structure bone 27,15 collaborative push-and-pull drive and namely make No. two proximal structure bodies 19 and a proximal structure body 3 realize curving of any direction and flexible, thereby have realized curving arbitrarily and stretching of a distal structure body 1 and No. two distal structure bodies 18.
Figure 14 illustrates the structure chart after the flexible non-individual body frame for movement of more piece in Figure 11 a is assembled to more piece driving mechanism in Figure 12.Its actuation movement principle is consistent with content shown in Figure 13, then this no longer describes in detail.
Flexible non-individual body frame for movement of the present utility model with very simple, compact structure realized controlling in the near-end operation distal end body towards any direction curve and/or flexible, at medical field, the industrial automation equipment aspect has very widely to be used.
Below described preferred embodiment of the present utility model in detail, but it will be appreciated that, after having read above-mentioned instruction content of the present utility model, those skilled in the art can make various changes or modifications the utility model.These equivalent form of values fall within the application's appended claims limited range equally.
Claims (19)
1. a flexible non-individual body frame for movement, is characterized in that, comprising:
The distal structure body, described distal structure body comprises far-end space disc, far-end locking plate and structural bone;
The proximal structure body, described proximal structure body comprises near-end space disc, near-end locking plate and structural bone, and the structural bone on described distal structure body is fixedly connected with corresponding structural bone on described proximal structure body or is same root architecture bone; And
The middle part connector, described middle part connector comprises pipeline fixed head and pipeline;
Wherein, described distal structure body is related with described proximal structure body via described middle part connector, structural bone one end is fixed in the near-end locking plate, pass successively near-end space disc, middle part connector, far-end space disc, the other end is fixed in the far-end locking plate, make when driving described proximal structure body when any direction curves, described distal structure body correspondingly curves in the opposite direction, perhaps, when the described proximal structure body of driving elongated or shortened, described distal structure body correspondingly shortened or extends.
2. flexible non-individual body frame for movement according to claim 1, it is characterized in that: the structural bone of the correspondence of the structural bone of described distal structure body and described proximal structure body is same root architecture bone, and described structural bone length can be measured, can estimate or constant.
3. a flexible non-individual body frame for movement, is characterized in that, comprising:
The distal structure body, described distal structure body comprises far-end space disc, far-end locking plate and structural bone;
The proximal structure body, described proximal structure body comprises near-end space disc, near-end locking plate and structural bone, and the structural bone on described distal structure body is fixedly connected with corresponding structural bone on described proximal structure body or is same root architecture bone;
The middle part connector, described middle part connector comprises pipeline fixed head and pipeline; And
Driving mechanism, be used for driving described proximal structure body motion, described driving mechanism forms by driving locking plate, driving space disc, drives structure bone and driving fixed disk, described drives structure bone one end is fixed on described driving locking plate, and passes successively described driving space disc and drive fixed disk;
Wherein, described distal structure body is related with described proximal structure body via described middle part connector, and structural bone one end is fixed in the near-end locking plate, passes successively near-end space disc, middle part connector, far-end space disc, and the other end is fixed in the far-end locking plate;
Described driving mechanism is connected with described proximal structure body, make when driving described drives structure bone, described driving mechanism drives described proximal structure body and curves towards any direction, described distal structure body correspondingly curves in the opposite direction, perhaps, described driving mechanism drives described proximal structure body and elongates or shortens, and described distal structure body correspondingly shortens or extends.
4. flexible non-individual body frame for movement according to claim 1, it is characterized in that: the structural bone of described distal structure body and described proximal structure body is made of thin elastic rod or elastic tubule, described far-end locking plate has respectively identical via arrangement with described far-end space disc, described near-end locking plate and described near-end space disc, and it is the rigidity disk-like structure.
5. flexible non-individual body frame for movement according to claim 1, it is characterized in that: keep certain distance between described near-end space disc and between near-end space disc and near-end locking plate, and described near-end space disc act as the position of limiting structure bone and prevents structural bone unstability when being subject to thrust.
6. flexible non-individual body frame for movement according to claim 1, it is characterized in that: keep certain distance between described far-end space disc and between far-end space disc and far-end locking plate, and described far-end space disc act as the position of limiting structure bone and prevents structural bone unstability when being subject to thrust.
7. flexible non-individual body frame for movement according to claim 1, it is characterized in that: described middle part connector is made of three above pipelines and 2 above pipeline fixed heads, and the structural bone of described non-individual body frame for movement runs through described pipeline, one end extends in described distal structure body, passing described far-end space disc is fixed on described far-end locking plate, the other end extends in described proximal structure body, passes described near-end space disc and is fixed on described near-end locking plate.
8. flexible non-individual body frame for movement according to claim 1 is characterized in that: described flexible non-individual body frame for movement is received the 2 above proximal structure bodies of joint and the 2 above distal structure bodies of joint to obtain higher kinematic dexterity.
9. flexible non-individual body frame for movement according to claim 1, it is characterized in that: described middle part connector has two pipeline fixed heads, the two ends of described pipeline are separately fixed on two pipeline fixed heads, and the structural bone of non-individual body frame for movement can be passed one, pipeline in two duct boards successively, and another pipeline fixed head, then enter the distal structure body.
10. flexible non-individual body frame for movement according to claim 1 is characterized in that:
Described proximal structure body has a near-end locking plate, a plurality of near-end space disc; Described distal structure body has a far-end locking plate, a plurality of far-end space disc;
Described proximal structure body and described distal structure body share many root architectures bone, and the length of structural bone can be measured, can estimate or is constant; And
Described structural bone one end is fixed in described far-end locking plate, and pass successively described far-end space disc, described middle part connector, and described near-end space disc, then be fixed in described near-end locking plate, make described proximal structure body driven when any direction curves and/or stretch, described distal structure body curves in the opposite direction and/or is flexible.
11. flexible non-individual body frame for movement according to claim 1, it is characterized in that: the near-end locking plate of described proximal structure body is ring-type, be provided with a plurality of driving connecting holes radially on the outer circumferential side of ring, be used for described proximal structure body is connected to driving mechanism.
12. flexible non-individual body frame for movement according to claim 1 is characterized in that: the thin elastic rod of described structural bone or elastic tubule consist of, and its quantity is more than or equal to 3.
13. flexible non-individual body frame for movement according to claim 3, it is characterized in that: described driving mechanism has one and drives locking plate, a plurality of driving space disc, many drives structure bones, and driving fixed disk, described driving locking plate is fixedly connected with the near-end locking plate of described proximal structure body, described driving fixed disk is fixedly connected with the fixed head of described middle part connector, make when driving described driving mechanism when any direction curves and/or stretch, described proximal structure body correspondingly curves and/or stretches towards any direction.
14. flexible non-individual body frame for movement according to claim 3, it is characterized in that: described drives structure bone is made of thin elastic rod or elastic tubule, its quantity is more than or equal to 3, and by artificial or by the Mechatronic Systems of automatic control realize correspondingly pushing away, roping is moving.
15. flexible non-individual body frame for movement according to claim 3 is characterized in that: described driving mechanism is received becomes the more piece driving mechanism to realize the driving to the non-individual body frame for movement of receiving more piece proximal structure body and distal structure body.
16. the described flexible non-individual body frame for movement of any one according to claim 1-15, it is characterized in that: described near-end space disc and described far-end space disc are ring-type, are provided with a plurality ofly to pass the structural bone hole for structural bone on ring.
17. the described flexible non-individual body frame for movement of any one according to claim 1-15, it is characterized in that: the outer circumferential side that faces the pipeline fixed head that leans on described proximal structure body of described middle part connector is provided with a plurality of driving connecting holes radially, is used for being connected with driving mechanism.
18. the described flexible non-individual body frame for movement of any one according to claim 1-15, it is characterized in that: described pipeline is arbitrary shape, rigidity or flexibility, but its length must can be measured, can estimate or is constant.
19. a flexible non-individual body frame for movement is characterized in that, comprising:
The distal structure body, described distal structure body comprises far-end space disc, far-end locking plate and structural bone;
The proximal structure body, described proximal structure body comprises near-end space disc, near-end locking plate and structural bone, and the structural bone on described distal structure body is fixedly connected with corresponding structural bone on described proximal structure body or is same root architecture bone; And
The middle part connector, described middle part connector comprises two with upper mounted plate, described fixed head is provided with a plurality of holes that supply structural bone to pass;
Wherein, described distal structure body is related with described proximal structure body via described middle part connector, structural bone one end is fixed in the near-end locking plate, pass successively near-end space disc, middle part connector, far-end space disc, the other end is fixed in the far-end locking plate, make when driving described proximal structure body when any direction curves, described distal structure body correspondingly curves in the opposite direction, perhaps, when the described proximal structure body of driving elongated or shortened, described distal structure body correspondingly shortened or extends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007110 CN203003905U (en) | 2013-01-07 | 2013-01-07 | Bendable and telescoping flexible continuum mechanical structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007110 CN203003905U (en) | 2013-01-07 | 2013-01-07 | Bendable and telescoping flexible continuum mechanical structure |
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| CN203003905U true CN203003905U (en) | 2013-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085083A (en) * | 2013-01-07 | 2013-05-08 | 汪雯 | Flexible continuous body mechanical structure capable of bending and stretching |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085083A (en) * | 2013-01-07 | 2013-05-08 | 汪雯 | Flexible continuous body mechanical structure capable of bending and stretching |
| WO2014106447A1 (en) * | 2013-01-07 | 2014-07-10 | Wang Wen | Bendable, telescopic, and flexible continuous mechanical structure |
| CN103085083B (en) * | 2013-01-07 | 2015-06-24 | 汪雯 | Flexible continuous body mechanical structure capable of bending and stretching |
| US10022877B2 (en) | 2013-01-07 | 2018-07-17 | Beijing Surgerii Technology Co., Ltd. | Bendable, telescopic, and flexible continuum mechanical structure |
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