CN209351627U - Rod-type extension means are driven in flexible - Google Patents

Abstract

The utility model relates to it is a kind of it is flexible in drive rod-type extension means, motor is mounted in shell, to roller group include two be rotatably installed in respectively on shell to roller, one is to roller A, another is trapped and is connected with the output shaft of motor to trap, and abuts to roller A with trapping；First order retracting cylinder is mounted on shell, remaining retracting cylinders at different levels successively grafting, the upper end of every grade of retracting cylinder is mounted on cylinder set, the top inward flange of each cylinder set is radially inwardly extending, the lower end of remaining retracting cylinder at different levels in addition to first order retracting cylinder is respectively connected with flange seat, the flange seat of remaining retracting cylinder lower end at different levels in addition to first order retracting cylinder is limited during stretching by the extension of previous stage retracting cylinder upper end cylinder set, and the extension of the cylinder set of remaining retracting cylinder upper end at different levels in addition to first order retracting cylinder is for limiting the flange seat of rear stage retracting cylinder lower end；The cylinder of afterbody retracting cylinder upper end, which is put on, is equipped with set.The utility model spread length, rigidity and structure height are adjustable.

Description

Rod-type extension means are driven in flexible

Technical field

The utility model belongs to deployable mechanism field, specifically a kind of flexible interior driving rod-type extension means.

Background technique

Deployable mechanism is the basis of large complicated space structure, and Telescopic boom mechanism is that a kind of most basic space can open up Opening structure.Requirement all is proposed to high-precision, long-life and stable telescoping mechanism in many fields, such as in aerospace Field, since spacefarer is difficult to carry out space operation under conditions of exoatmosphere, operator needs by changeable The length of telescoping mechanism, staff can obtain the height of needs, to increase the working space of mechanism.In addition, in work In industry production, the flexible range of the telescopic rod of parallel machine also tends to determine the range of lathe work.

Currently, there are many kinds of classes for telescoping mechanism in the market, such as hydraulic oil form is used, using pneumatic form Etc.；But their most of precision are low, volume is larger, and there is also the risks of oil leak for some.Therefore it is directed to such as space flight work Telescoping mechanism used in situations such as journey, high accuracy platform is upper is more rare.

Utility model content

The purpose of this utility model is to provide a kind of flexible interior driving rod-type extension means.Driving rod-type is stretched in the flexibility It opens up mechanism and drives retracting cylinder flexible by carbon fiber bistable lever, for being used on aircraft.

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

The utility model includes motor, shell, to roller group, carbon fiber bistable lever and multiple telescopic cylinders, and wherein motor is pacified In shell, it is described to roller group include two be rotatably installed in respectively on shell to roller, one is to roller A, another point To trap and being mounted on tabletting of trapping on the lower set, described trap is connected with the output shaft of motor, rotation, institute is driven by motor It states and roller A is abutted with trapping；First order retracting cylinder in the multiple telescopic cylinders is mounted on shell, remaining retracting cylinder at different levels according to It is secondary can relatively movably grafting, the upper end of every grade of retracting cylinder is mounted on cylinder set, and the top inward flange of each cylinder set is radially inward Extend, the lower end of remaining retracting cylinder at different levels in addition to first order retracting cylinder is respectively connected with flange seat, in addition to first order retracting cylinder The flange seat of remaining retracting cylinder lower end at different levels is limited during stretching by the extension of previous stage retracting cylinder upper end cylinder set, except the The extension of the cylinder set of remaining retracting cylinder upper end at different levels outside level-one retracting cylinder is used for the flange seat to rear stage retracting cylinder lower end It is limited；The cylinder of afterbody retracting cylinder upper end, which is put on, is equipped with set, it is described on put on and be connected with set tabletting；The carbon One end of fiber bistable lever is sandwiched in the tabletting and between trapping of trapping, the other end by it is described trap and to being passed through between roller A after It is sandwiched between set and upper set tabletting；

Wherein: described to being equipped with another group above roller group to roller group, this another group includes that rotation respectively is pacified to roller group On shell to roller B and to roller C, described to abut to roller B with to roller C, the other end of the carbon fiber bistable lever is by this It is passed through to roller B and between roller C；

Described one end trapped and driving gear and driven gear are connected separately with to ipsilateral one end of roller B, the driving tooth It is driven between wheel and driven gear by transmission gear；

The two sides to roller group, which are respectively equipped with, is mounted on the intracorporal mounting plate of shell, to one of them in roller group to roller only With rotational freedom, another is respectively equipped with locating piece to the both ends of roller, the locating piece at both ends respectively with two sides mounting plate Inner surface is slidably connected, this another both ends of roller are rotatablely connected with two locating pieces respectively；It is equipped with and pushes away on the locating piece Moving plate is equipped with pressure spring between the promotion disk and the inner wall of the shell, apply pressure to roller to another by the pressure spring, real Existing described another remains roller with one only with rotational freedom to roller to abut；

The side for pushing disk is connected with two locating pieces, and the other side, which is equipped with, pushes column, and the pressure spring is set in the promotion On column；Described one end for pushing column can relatively movably be arranged with top plate, be equipped in the top plate and be threadedly coupled with the shell Roll adjustment screw, adjust the top plate by rotating the roll adjustment screw and push the spacing between disk, and then adjust the pressure spring Compression degree；

Guide rod is installed on the flange seat of second level retracting cylinder lower end connection, since third level retracting cylinder, Ge Jishen The guide sleeve with guide rod cooperation is equipped on the flange seat of contracting cylinder lower end connection；

The arcuate socket passed through for carbon fiber bistable lever is offered on each flange seat；

The retracting cylinder is three-level, is divided into retracting cylinder A, retracting cylinder B and retracting cylinder C, the lower end of retracting cylinder A is fixed in shell On body, upper end is equipped with cylinder set A；The retracting cylinder B can be relatively movably inserted in retracting cylinder A, and lower end is connected with flange seat A, upper end are equipped with cylinder set B；The retracting cylinder C can be relatively movably inserted in retracting cylinder B, and lower end is connected with flange seat B, Upper end is equipped with cylinder set C；

The diameter of the flange seat A is greater than the outer diameter of retracting cylinder B, and the internal diameter of extension is greater than retracting cylinder B on the cylinder set A Outer diameter and be less than the diameter of the flange seat A, i.e. extension is Chong Die with the outer edge part of flange seat A on cylinder set A； The diameter of the flange seat B is greater than the outer diameter of retracting cylinder C, the internal diameter of the upper extension of cylinder set B be greater than the outer diameter of retracting cylinder C, And being less than the diameter of the flange seat B, i.e., extension is Chong Die with flange seat B outer edge part on the described cylinder set B.

The advantages of the utility model and good effect are as follows:

1. the driving of the utility model retracting cylinder is convenient for storage, as one of development agency typical structure, when contraction It can wind on to roller, when expansion, one can be provided to retracting cylinders at different levels according to the characteristic of carbon fiber bistable lever material Tractive force drives retracting cylinders at different levels to move, and such built-in driving mechanism can save space well, convenient for storage.

2. every group of the utility model makes two to remain the mechanism of abutting to roller to being provided in roller group, and can adjust Save the compression degree of pressure spring.

3. the utility model can increase retracting cylinder series in the range of setting by the length of the increase every level-one of retracting cylinder The different spread length of interior replacement, and built-in driving is convenient for storage, convenient for stretching, extension, therefore the mould of overall mechanism may be implemented Block.

4. the utility model maintains the cleaning of stretching, extension work, to improve precision and service life.

5. the utility model is not needed using hydraulic oil, therefore the case where hydraulic fluid leak is not present, to occur.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model；

Fig. 2 is that the utility model removes one of the schematic perspective view after shell, retracting cylinder at different levels；

Fig. 3 is that the utility model removes two of the schematic perspective view after shell, retracting cylinder at different levels；

Fig. 4 is the structural front view of the utility model；

Fig. 5 is the front sectional view of the utility model；

Fig. 6 is the left view cross-sectional view of the utility model；

Fig. 7 is the drive part schematic perspective view that the utility model drives carbon fiber bistable lever flexible；

Wherein: 1 is retracting cylinder A, and 2 be retracting cylinder B, and 3 be retracting cylinder C, and 4 cover A for cylinder, and 5 cover B for cylinder, and 6 cover C for cylinder, and 7 are Pedestal fixing seat, 8 be shell, and 9 be mounting plate, and 10 be upper set, and 11 be upper set tabletting, and 12 be flange seat A, and 13 be flange seat B, 14 It is guide sleeve for guide rod, 15,16 be roll adjustment screw, and 17 be top plate, and 18 is push column, and 19 be pressure spring, and 20 is push disk, and 21 be fixed Position block, 22 is, to roller A, 23 are to trap, and 24 be tabletting of trapping, and 25 is, to roller B, 26 is, to roller C, 27 are driving gear, and 28 be biography Moving gear, 29 be driven gear, and 30 be motor fixed flange.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

As shown in Fig. 1~7, the utility model includes motor, shell 8, to roller group, carbon fiber bistable lever and multi-stage expansion Cylinder, wherein motor is mounted in shell 8, to roller group include two be rotatably installed in respectively on shell 8 to roller, one is to roller A22, another, which is divided into trapping, 23 and is mounted on the tabletting 24 of trapping trapped on 23；It traps on 23 along being axially arranged with a plane, Tabletting 24 of trapping is fixed in the plane.It traps and 23 is connected with the output shaft of motor, rotation is driven by motor, to roller A22 under Set 23 abuts.First order retracting cylinder in multiple telescopic cylinders is mounted on shell 8, remaining retracting cylinder at different levels can successively relatively move Ground grafting, the upper end of every grade of retracting cylinder are mounted on cylinder set, and the top inward flange of each cylinder set is radially inwardly extending, removes the first order The lower end of remaining retracting cylinder at different levels outside retracting cylinder is respectively connected with flange seat, the retracting cylinders at different levels of remaining in addition to first order retracting cylinder The flange seat of lower end is limited during stretching by the extension of previous stage retracting cylinder upper end cylinder set, in addition to first order retracting cylinder The extension of the cylinder set of remaining retracting cylinder upper end at different levels is for limiting the flange seat of rear stage retracting cylinder lower end；Last The cylinder of grade retracting cylinder upper end, which is put on, is equipped with set 10.Set tabletting 11 is above connected on set 10, edge is axially arranged on upper set 10 Plane, upper set tabletting 11 are fixed in plane.One end of carbon fiber bistable lever is sandwiched in trap and tabletting 24 and trap between 23, The other end is by trapping 23 and to being sandwiched in after upper set 10 and upper set tabletting 11 between roller A22.Under the retracting cylinder of the second level It holds and guide rod is installed on the flange seat of connection, since third level retracting cylinder, on the flange seat of retracting cylinder lower end connections at different levels It is equipped with the guide sleeve 15 with guide rod cooperation, offers the arcuate socket passed through for carbon fiber bistable lever on each flange seat.

The two sides of roller group are respectively equipped with the mounting plate 9 being mounted in shell 8, it is symmetrical on the inner surface of two sides mounting plate 9 Sliding slot is offered, 23 both ends of trapping in roller group are rotationally connected with respectively on the mounting plate 9 of two sides, and by being installed on wherein Motor driven rotation on any mounting plate 9.Locating piece 21 is respectively equipped with to the both ends of roller A22, the locating piece at both ends respectively with Sliding slot on 9 inner surface of two sides mounting plate is slidably connected, which is rotatablely connected with two locating pieces 21 respectively.It is fixed It is equipped on the block 21 of position and pushes disk 20, the side of the promotion disk 20 and two locating pieces 21 are affixed, and the other side, which is equipped with, pushes column 18, pressure Spring 19 is set on the promotion column 18.Top plate 17 can be relatively movably arranged with by pushing one end of column 18, which is located at shell The inside of body 8, between two pieces of mounting plates 9, the both ends of top plate 17 in the sliding slot that again 9 inner surface of block mounting plate opens up；Top The roll adjustment screw 16 being threadedly coupled with shell 8 is installed on disk 17, adjusts top plate 17 and promotion by rotating the roll adjustment screw 16 Spacing between disk 20, and then adjust the compression degree of pressure spring 19；Apply pressure, realization pair to roller A22 by pressure spring 19 Roller A22 23 is remained and is abutted with trapping.

In order to guarantee the verticality and rigidity of carbon fiber bistable lever, another group has been added again to roller in the top to roller group Group, this another group to roller group include be rotatably installed in respectively on shell 8 to roller B25 and to roller C26, to roller B25 with to roller C26 It abuts, the other end of carbon fiber bistable lever is passed through to roller B25 and by this between roller C26.Trap 23 one end and to roller B25 Ipsilateral one end be connected separately with driving gear 27 and driven gear 29, pass through between the driving gear 27 and driven gear 29 Transmission gear 28 is driven.Only one motor of the utility model, drive are trapped 23 rotations, and trap 23 and passes through between roller A22 Frictional force, which drives, rotates roller A22；Trap 23 rotation while, pass through driving gear 27, transmission gear 28, driven gear 29 It drives and roller B25 is rotated, and roller C26 is rotated to roller B25 and to being driven between roller C26 by frictional force.The utility model It traps 23, only there is the freedom degree of rotation to roller B25, to roller C26 as to roller A22, both ends also are provided with locating piece 21, and two Inner surface of the locating piece at end respectively with two sides mounting plate 9 is slidably connected.It is connected on locating piece 21 and pushes disk 20, push disk 20 The other side be equipped with push column 18, pressure spring 19 be set in push column 18 on.Pushing one end of column 18 can relatively movably be arranged with Top plate 17 is equipped with the roll adjustment screw 16 being threadedly coupled with shell 8 in the top plate 17, by rotating the roll adjustment screw 16 adjustment Spacing between top plate 17 and promotion disk 20, and then the compression degree of pressure spring 19 is adjusted, guarantee to roller C26 always and to roller B25 It abuts.

The retracting cylinder of the present embodiment is three-level, is divided into retracting cylinder A1, retracting cylinder B2 and retracting cylinder C3, retracting cylinder A1's Lower end and the pedestal fixing seat 7 being mounted on shell 8 are affixed, and upper end is equipped with cylinder set A4；Retracting cylinder B2 can be inserted relatively movably In retracting cylinder A1, lower end is connected with flange seat A12, and upper end is equipped with cylinder set B5；Retracting cylinder C3 can be plugged relatively movably In in retracting cylinder B2, lower end is connected with flange seat B13, and upper end is equipped with cylinder set C6.The diameter of flange seat A12 is greater than retracting cylinder B2 Outer diameter, cylinder covers outer diameter of the internal diameter greater than retracting cylinder B2 of the upper extension of A4 and is less than the diameter of flange seat A12, i.e. cylinder set A4 Upper extension is Chong Die with the outer edge part of flange seat A12.The diameter of flange seat B13 is greater than the outer diameter of retracting cylinder C3, and cylinder covers B5 Outer diameter of the internal diameter of upper extension greater than retracting cylinder C3 and the diameter for being less than flange seat B13, i.e. cylinder cover extension and flange on B5 Seat B13 outer edge part overlapping.Two guide rods 14 are installed, this two guide rods 14 are respectively by retracting cylinder on flange seat A12 The lower end of B2, flange seat B13, retracting cylinder C3 lower end pass through, install that there are two lead with what guide rod 14 cooperated on flange seat B13 Set 15.

The working principle of the utility model are as follows:

When original state, carbon fiber bistable lever be wrapped in by trap 23 and trap that tabletting 24 formed on roller, both ends Respectively by trap 23 with trap tabletting 24 and upper set 10 and clamped with upper set tabletting 11.When needing to be unfolded, motor is rotated forward, under driving 23 rotation of set, carbon fiber bistable lever are gradually spread out, and push up the cylinder set C6 of the upper end retracting cylinder C3, and then drive retracting cylinder C3 Relative telescopic cylinder B2 stretches out.When on the cylinder set B5 that the flange seat B13 of the lower end retracting cylinder C3 connection touches the upper end retracting cylinder B2 Extension, i.e. drive retracting cylinder B2 relative telescopic cylinder A1 stretch out, until the flange seat A12 and retracting cylinder of the connection of the lower end retracting cylinder B2 Extension on the cylinder set A4 of the upper end A1 abuts, and completes stretching, extension.

When retraction, motor reversal, driving is trapped 23 reverse rotations, and carbon fiber bistable lever, which is gradually wrapped in, traps on 23, During the winding process, i.e., retracting cylinder is driven to retract step by step.

The utility model can increase spread length by increasing the series of retracting cylinder.

Claims (9)

1. a kind of flexible interior driving rod-type extension means, it is characterised in that: including motor, shell (8), to roller group, carbon fiber pair Stable state bar and multiple telescopic cylinders, wherein motor is mounted in shell (8), described to be rotatably installed in shell respectively including two to roller group On body (8) to roller, one is, to roller A (22), another, which is divided into, is trapped (23) and is mounted on the lower casing pressure trapped on (23) Piece (24), trap (23) are connected with the output shaft of motor, are driven by motor rotation, described to roller A (22) and to trap (23) It abuts；First order retracting cylinder in the multiple telescopic cylinders is mounted on shell (8), remaining retracting cylinder at different levels opposite can successively move The grafting of dynamic ground, the upper end of every grade of retracting cylinder are mounted on cylinder set, and the top inward flange of each cylinder set is radially inwardly extending, removes first The lower end of remaining retracting cylinder at different levels outside grade retracting cylinder is respectively connected with flange seat, remaining in addition to first order retracting cylinder is at different levels flexible The flange seat of cylinder lower end is limited during stretching by the extension of previous stage retracting cylinder upper end cylinder set, in addition to first order retracting cylinder Remaining retracting cylinder upper end at different levels cylinder set extension for being limited to the flange seat of rear stage retracting cylinder lower end；Finally The cylinder of level-one retracting cylinder upper end, which is put on, to be equipped with set (10), is connected with set tabletting (11) on the upper set (10)；The carbon One end of fiber bistable lever is sandwiched in tabletting of trapping (24) and traps between (23), the other end by it is described trap (23) with to roller It is sandwiched in after between A (22) upper set (10) and upper set tabletting (11).

2. flexible interior driving rod-type extension means according to claim 1, it is characterised in that: the top to roller group adds Equipped with another group to roller group, this another group to roller group include be rotatably installed in respectively on shell (8) to roller B (25) and to roller C (26), described that roller B (25) is abutted with to roller C (26), the other end of the carbon fiber bistable lever by this to roller B (25) with it is right Roller C is passed through between (26).

3. it is according to claim 2 it is flexible in drive rod-type extension means, it is characterised in that: described one end for trapping (23) And driving gear (27) and driven gear (29) are connected separately with to ipsilateral one end of roller B (25), the driving gear (27) with from It is driven between moving gear (29) by transmission gear (28).

4. flexible interior driving rod-type extension means according to claim 1 or 2, it is characterised in that: described to the two of roller group Side is respectively equipped with the mounting plate (9) being mounted in shell (8), only has rotational freedom to roller to one of them in roller group, Another is respectively equipped with locating piece (21) both ends of roller, and the locating piece at both ends is sliding with the inner surface of two sides mounting plate (9) respectively Dynamic connection, this another both ends of roller are rotatablely connected with two locating pieces (21) respectively；It is equipped with and pushes away on the locating piece (21) Moving plate (20) is equipped with pressure spring (19) between the promotion disk (20) and the inner wall of the shell (8), by the pressure spring (19) to another One applies pressure to roller, realize it is described another to roller and it is described only have one of rotational freedom to roller remain to It connects.

5. flexible interior driving rod-type extension means according to claim 4, it is characterised in that: the one of promotion disk (20) Side is connected with two locating pieces (21), and the other side, which is equipped with, pushes column (18), and the pressure spring (19) is set on the promotion column (18)；Institute It states and pushes the one end of column (18) that can relatively movably be arranged with top plate (17), be equipped in the top plate (17) and the shell (8) The roll adjustment screw (16) of threaded connection is adjusted between the top plate (17) and promotion disk (20) by rotating the roll adjustment screw (16) Spacing, and then adjust the compression degree of the pressure spring (19).

6. flexible interior driving rod-type extension means according to claim 1, it is characterised in that: second level retracting cylinder lower end connects Guide rod is installed on the flange seat connect, since third level retracting cylinder, is all provided on the flange seat of retracting cylinder lower end connections at different levels There is the guide sleeve (15) with guide rod cooperation.

7. flexible interior driving rod-type extension means according to claim 1, it is characterised in that: opened on each flange seat Equipped with the arcuate socket passed through for carbon fiber bistable lever.

8. flexible interior driving rod-type extension means according to claim 1, it is characterised in that: the retracting cylinder is three-level, It is divided into retracting cylinder A (1), retracting cylinder B (2) and retracting cylinder C (3), the lower end of retracting cylinder A (1) is fixed on shell (8), upper end Cylinder set A (4) is installed；The retracting cylinder B (2) can relatively movably be inserted in retracting cylinder A (1), and lower end is connected with flange seat A (12), upper end is equipped with cylinder set B (5)；The retracting cylinder C (3) can relatively movably be inserted in retracting cylinder B (2), lower end connection Have flange seat B (13), upper end is equipped with cylinder set C (6).

9. flexible interior driving rod-type extension means according to claim 8, it is characterised in that: the flange seat A (12) Diameter is greater than the outer diameter of retracting cylinder B (2), and the internal diameter of extension is greater than the outer diameter of retracting cylinder B (2) and small on cylinder set A (4) It is Chong Die with the outer edge part of flange seat A (12) in extension on the diameter of the flange seat A (12), i.e., described cylinder set A (4)； The diameter of the flange seat B (13) is greater than the outer diameter of retracting cylinder C (3), and the internal diameter of extension is greater than flexible on cylinder set B (5) The outer diameter of cylinder C (3) and the diameter for being less than the flange seat B (13), i.e., the described cylinder cover extension and flange seat B (13) on B (5) Outer edge part overlapping.