CN208196794U - A kind of revolute arm - Google Patents
A kind of revolute arm Download PDFInfo
- Publication number
- CN208196794U CN208196794U CN201820593919.XU CN201820593919U CN208196794U CN 208196794 U CN208196794 U CN 208196794U CN 201820593919 U CN201820593919 U CN 201820593919U CN 208196794 U CN208196794 U CN 208196794U
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- CN
- China
- Prior art keywords
- support arm
- annular groove
- motor
- swivel becket
- arm
- Prior art date
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Abstract
The utility model discloses a kind of revolute arms, are related to robotic technology field.The utility model includes support arm, and support arm is cavity cylinder, is provided with annular groove in the top sidewall of support arm, support arm is internally provided with transmission mechanism；Runner assembly is rotatably connected in annular groove, runner assembly includes top plate, swivel becket and annular rack, and top plate and annular rack are respectively fixedly connected in the top and bottom of swivel becket, the side wall rotation connection of swivel becket and annular groove；Top plate is located at the top of support arm and is rotatablely connected with all sides of cursor；Transmission mechanism includes lifting assembly and sleeve；Lifting assembly includes screw rod, screw and the second motor.The utility model drives runner assembly rotation by first motor, to realize the 360 degree rotation of cursor, and is moved up and down by lifting assembly band moving sleeve, realizes the adjusting of cursor tilt angle, improve the flexibility and freedom degree of robot arm.
Description
Technical field
The utility model belongs to robotic technology field, more particularly to a kind of revolute arm.
Background technique
With the fast development that people live, robot is widely used in many areas, and working arm is machine
The indispensable components of man-hour, robot are generally fitted with two mechanical arms, and mechanical arm can not in industry or people
It is played an important role in the task of completion.
Currently, the flexible performance of the working arm of robot in the market is poor, freedom degree is low, is merely able to carry out unidirectional work
Industry can not complete 360 degree of rotation, cause certain puzzlement to daily work.
Utility model content
The purpose of this utility model is to provide a kind of revolute arms, drive runner assembly rotation by first motor
Turn, to realize the 360 degree rotation of cursor, and is moved up and down by lifting assembly band moving sleeve, realize cursor and incline
The adjusting of rake angle, it is poor to solve the flexible performance of existing robot arm, the low problem of freedom degree.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of revolute arm, including support arm, and the support arm is cavity cylinder, the branch
Annular groove is provided in the top sidewall of brace, the support arm is internally provided with transmission mechanism；In the annular groove
It is rotatably connected to runner assembly, the runner assembly includes top plate, swivel becket and annular rack, and the top plate and annular rack divide
It is not fixedly connected on the top and bottom of swivel becket, the side wall rotation connection of the swivel becket and annular groove；The top plate position
In support arm top and with all sides of cursor be rotatablely connected；The annular rack is exported with first motor is fixedly connected on
Gear engaged transmission on axis, the first motor are fixedly connected on the inner surface of support arm；The transmission mechanism includes rising
It comes down to a lower group part and sleeve；The lifting assembly includes screw rod, screw and the second motor, the screw rod by several groups connection component with
The inner wall of support arm is rotatablely connected, and the bottom end end face of the screw rod is fixedly connected with the output shaft of the second motor, on the screw rod
It is combined with screw；Second motor is fixedly connected by support plate with the inner surface of support arm；The sleeve is cavity structure,
Several strip shape gobs are provided on all sides of the sleeve, the bottom interior surface of the sleeve is fixedly connected with screw, the set
The top of cylinder and the end face of cursor are rotatablely connected.
Further, annular groove is respectively arranged on the side wall of the annular groove, be provided on the swivel becket with
The compatible sliding block of annular groove.
Further, the connection component includes swivel becket and support rod, and the swivel becket passes through the week of bearing and screw rod
Side rotation connection, is fixedly connected with several support rods on all sides of the swivel becket, the other end of the support rod with set
The sliding rail set on support arm inner surface is slidably connected.
Further, the support rod at the top of the screw rod runs through strip shape gob, and is slidably connected with sliding rail.
Further, the top inner surface of the support arm is provided with a through-hole being connected with annular groove, described logical
Hole is rotatablely connected by bearing and the output shaft of first motor.
The utility model has the following beneficial effects:
1, engaged transmission of the utility model by first motor with moving gear and annular rack, so that top plate drives
Cursor is rotated, and 360 degree of cursor of rotation is realized, and is met the daily work requirements of people, is improved cursor
Flexibility and freedom degree improve the working efficiency of people indirectly.
2, the utility model passes through the rotation of the second motor, drives the screw on screw rod to move up and down, so that sleeve
It is moved up and down along the axial direction of screw rod, so that the tilt adjustable section of cursor, meets rotation arm to difference
The work requirements of height further improve the flexibility and freedom degree of cursor.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of cross-sectional view of revolute arm of the utility model；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of the runner assembly of the utility model；
Fig. 4 is the structural schematic diagram of the sleeve of the utility model；
In attached drawing, parts list represented by the reference numerals are as follows:
1- support arm, 2- runner assembly, 3- cursor, 4- first motor, 5- lifting assembly, 6- sleeve, 7- connection component,
101- annular groove, 201- top plate, 202- swivel becket, 203- annular rack, 401- gear, 501- screw rod, 502- screw, 503-
Second motor, 504- support plate, 601- strip shape gob, 2021- sliding block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " setting ", "ON", "bottom", "top", " in ", " end
Indicating positions or the positional relationship such as face ", "inner", " all sides ", are merely for convenience of describing the present invention and simplifying the description, and
It is not that the component of indication or suggestion meaning or element must have a particular orientation, is constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.
As shown in Figure 1-3, the utility model is a kind of revolute arm, including support arm 1, support arm 1 is cavity
Cylinder is provided with annular groove 101 in the top sidewall of support arm 1, and support arm 1 is internally provided with transmission mechanism, support arm 1
It can be bolted by identical half support arm of two structures.
Runner assembly 2 is rotatably connected in annular groove 101, runner assembly 2 includes top plate 201, swivel becket 202 and annular
Rack gear 203, top plate 201 and annular rack 203 are respectively fixedly connected in the top and bottom of swivel becket 202, swivel becket 202 and ring
The side wall of connected in star 101 is rotatablely connected；
Top plate 201 is located at the top of support arm 1 and is rotatablely connected with all sides of cursor 3；
Annular rack 203 and 401 engaged transmission of gear being fixedly connected on 4 output shaft of first motor, first motor 4 are solid
Surely it is connected on the inner surface of support arm 1, first motor 4 passes through the engaged transmission of gear 401 and annular rack 203, to make
Obtaining top plate 201 drives cursor 3 to carry out 360 degree rotation, improves the flexibility and freedom degree of robot arm.
Transmission mechanism includes lifting assembly 5 and sleeve 6；
Lifting assembly 5 includes screw rod 501, screw 502 and the second motor 503, and screw rod 501 passes through two group connection components 7
It is rotatablely connected with the inner wall of support arm 1, the bottom end end face of screw rod 501 is fixedly connected with the output shaft of the second motor 503, screw rod
Screw 502 is combined on 501；
Second motor 503 is fixedly connected by support plate 504 with the inner surface of support arm 1, and the second motor 503 drives screw rod
501 rotations finally realize so that screw 502 carries out elevating movement with moving sleeve 6 to the tilt angle of cursor 3
It adjusts.
As shown in figs. 1 and 4, sleeve 6 is cavity structure, is provided with three strip shape gobs 601, sleeve 6 on all sides of sleeve 6
Bottom interior surface be fixedly connected with screw 502, the end face of the top of sleeve 6 and cursor 3 is rotatablely connected.
Wherein, it is respectively arranged with annular groove on the side wall of annular groove 101, is provided on swivel becket 202 sliding with annular
The compatible sliding block 2021 of slot enables swivel becket 202 in annular groove by the cooperation of annular groove and sliding block 2021
101 are rotated along both fixed tracks.
Wherein, connection component 7 includes swivel becket and support rod, and swivel becket is rotated by all sides of bearing and screw rod 501
Connection, is welded with three support rods on all sides of swivel becket, the other end of support rod and is arranged on 1 inner surface of support arm
Sliding rail is slidably connected, and when cursor 3 is rotated, will also rotate with moving sleeve 6, so that on connection component 7
Support rod is slided along endless glide, and provides support force for screw rod 501.
Wherein, the support rod positioned at 501 top of screw rod runs through strip shape gob 601, and is slidably connected with sliding rail.
Wherein, the top inner surface of support arm 1 is provided with a through-hole being connected with annular groove 101, and through-hole passes through axis
It holds and is rotatablely connected with the output shaft of first motor 4.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of revolute arm, including support arm (1), it is characterised in that:
The support arm (1) is cavity cylinder, is provided with annular groove (101) in the top sidewall of the support arm (1), described
Support arm (1) is internally provided with transmission mechanism；
It is rotatably connected to runner assembly (2) in the annular groove (101), the runner assembly (2) includes top plate (201), turns
Rotating ring (202) and annular rack (203), the top plate (201) and annular rack (203) are respectively fixedly connected in swivel becket
(202) top and bottom, the side wall rotation connection of the swivel becket (202) and annular groove (101)；
The top plate (201) is located at the top of support arm (1) and is rotatablely connected with all sides of cursor (3)；
The annular rack (203) and gear (401) engaged transmission being fixedly connected on first motor (4) output shaft, it is described
First motor (4) is fixedly connected on the inner surface of support arm (1)；
The transmission mechanism includes lifting assembly (5) and sleeve (6)；
The lifting assembly (5) includes screw rod (501), screw (502) and the second motor (503), and the screw rod (501) is if pass through
The inner wall of dry group connection component (7) and support arm (1) is rotatablely connected, the bottom end end face of the screw rod (501) and the second motor
(503) output shaft is fixedly connected, and is combined with screw (502) on the screw rod (501)；
Second motor (503) is fixedly connected by support plate (504) with the inner surface of support arm (1)；
The sleeve (6) is cavity structure, is provided with several strip shape gobs (601), the sleeve on all sides of the sleeve (6)
(6) bottom interior surface is fixedly connected with screw (502), and the top of the sleeve (6) and the end face of cursor (3) rotate and connect
It connects.
2. a kind of revolute arm according to claim 1, which is characterized in that the side of the annular groove (101)
It is respectively arranged with annular groove on wall, sliding block (2021) compatible with annular groove is provided on the swivel becket (202).
3. a kind of revolute arm according to claim 1, which is characterized in that the connection component (7) includes turning
Rotating ring and support rod, the swivel becket are rotatablely connected by all sides of bearing and screw rod (501), all sides of the swivel becket
On be fixedly connected with several support rods, the other end of the support rod and the sliding rail being arranged on support arm (1) inner surface slide
Connection.
4. a kind of revolute arm according to claim 3, which is characterized in that be located at the top of the screw rod (501)
Support rod run through strip shape gob (601), and be slidably connected with sliding rail.
5. a kind of revolute arm according to claim 1, which is characterized in that in the top of the support arm (1)
Surface is provided with a through-hole being connected with annular groove (101), and the through-hole passes through the output shaft of bearing and first motor (4)
Rotation connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820593919.XU CN208196794U (en) | 2018-04-24 | 2018-04-24 | A kind of revolute arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820593919.XU CN208196794U (en) | 2018-04-24 | 2018-04-24 | A kind of revolute arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208196794U true CN208196794U (en) | 2018-12-07 |
Family
ID=64521973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820593919.XU Expired - Fee Related CN208196794U (en) | 2018-04-24 | 2018-04-24 | A kind of revolute arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208196794U (en) |
-
2018
- 2018-04-24 CN CN201820593919.XU patent/CN208196794U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20190424 |