CN220527799U - Electric cylinder with corner driving structure - Google Patents
Electric cylinder with corner driving structure Download PDFInfo
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- CN220527799U CN220527799U CN202321752335.XU CN202321752335U CN220527799U CN 220527799 U CN220527799 U CN 220527799U CN 202321752335 U CN202321752335 U CN 202321752335U CN 220527799 U CN220527799 U CN 220527799U
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- 238000007789 sealing Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of automatic transmission, in particular to an electric cylinder with a corner driving structure, which comprises a cylinder body, a piston assembly and a driving assembly, wherein a piston cavity is arranged in the cylinder body, a movable hole is formed in a movable guide block, and a guide shaft pin is arranged in the movable hole; the piston assembly comprises a piston shaft sleeve and a piston rod connected to the piston shaft sleeve, the piston shaft sleeve is slidably arranged in the piston cavity, one end of the piston rod is rotatably connected with the piston shaft sleeve, the other end of the piston rod is movable and penetrates through the movable hole, the outer diameter of the piston rod is provided with a guide groove, and the guide shaft pin is slidably arranged in the guide groove; the driving assembly comprises a driving motor and a driving screw rod arranged in the driving motor, and one end of the driving screw rod is connected with the piston shaft sleeve. The utility model adopts the guide groove structure of the vertical section and the corner section, can enable the piston rod to rotate along with the guide shaft pin to realize corner driving, and has strong practicability and reliable structure.
Description
Technical Field
The utility model relates to the technical field of automatic transmission, in particular to an electric cylinder with a corner driving structure.
Background
The electric cylinder is a modularized product which integrates a servo motor and a screw rod, converts the rotary motion of the servo motor into linear motion, simultaneously converts the optimal advantage of the servo motor, namely accurate rotation speed control, accurate rotation number control, accurate torque control into accurate speed control, accurate position control and accurate thrust control, and is a brand new revolutionary product of a high-precision linear motion series.
In the existing electric cylinder, the structure is single when in use, only linear transmission can be realized, when the push rod or the driving part is required to rotate, the structure is influenced, and then the existing electric cylinder is required to be improved.
Disclosure of Invention
In order to solve the problems, the utility model provides the electric cylinder with the corner driving structure, which solves the defects that the existing electric cylinder is single in structure and can only independently make linear driving, adopts the guide groove structure of the vertical section and the corner section, can enable the piston rod to rotate along with the guide shaft pin to realize the corner driving, and is high in practicability and reliable in structure.
The technical scheme adopted by the utility model is as follows: the electric cylinder with the corner driving structure comprises a cylinder body, a piston assembly and a driving assembly, wherein a piston cavity is arranged in the cylinder body, a first end and a second end are respectively arranged at two ends of the piston cavity of the cylinder body, a movable guide block is arranged at the first end, a movable hole is formed in the movable guide block, and a guide shaft pin is arranged in the movable hole; the piston assembly comprises a piston shaft sleeve and a piston rod connected to the piston shaft sleeve, the piston shaft sleeve is slidably arranged in a piston cavity, one end of the piston rod is rotatably connected with the piston shaft sleeve, the other end of the piston rod is movable and penetrates through the movable hole, a guide groove is formed in the outer diameter of the piston rod, the guide groove comprises a vertical section and a corner section, the vertical section is communicated with the corner section, and the guide shaft pin is slidably arranged in the guide groove; the driving assembly comprises a driving motor and a driving screw rod arranged in the driving motor, one end of the driving screw rod is connected with the piston shaft sleeve, and the driving motor acts on the driving screw rod to drive the piston shaft sleeve to move in the piston cavity.
The cylinder body comprises a cylinder barrel, and a first fixing seat and a second fixing seat which are arranged at two ends of the cylinder barrel, wherein the first end of the cylinder body is arranged on the first fixing seat, and the second end of the cylinder body is arranged on the second fixing seat.
The cylinder barrel is integrally formed between the first fixing seat and the second fixing seat.
In a further improvement of the above scheme, the movable guide block is provided with a fixed locking ring, and the fixed locking ring is used for fixedly mounting the movable guide block on the first end.
According to the technical scheme, one end of the guide shaft pin is connected with a guide bearing, and the guide bearing can be slidably arranged in the guide groove.
The piston shaft sleeve comprises a shaft sleeve seat, a piston sealing ring arranged on the outer diameter of the shaft sleeve seat, and a first bearing and a second bearing arranged in the piston shaft sleeve; the first bearing is used for connecting a piston rod, and the second bearing is used for connecting a driving screw.
The driving motor comprises a shell connected with the second end, a stator group and a motor support arranged in the shell, and a rotor group rotatably arranged on the motor support, wherein a fixing nut is arranged on the motor support, and the fixing nut is connected to the driving screw through threads.
The technical scheme is further improved in that one end of the shell is provided with a rotary shaft sleeve, and the rotary shaft sleeve is used for rotationally connecting the fixing nut.
A further development of the above is that one end of the drive screw protrudes outside the housing.
The beneficial effects of the utility model are as follows:
compared with the existing electric cylinder, the driving screw rod drives the piston shaft sleeve to drive the piston rod to slide on the cylinder body under the action of the driving motor, and the piston rod slides in the guide groove through the guide shaft during sliding, so that the driving rotation of the piston rod can be realized under the action of the vertical section and the corner section, further the corner driving of the driving structure is realized, the whole structure is reliable, the driving is stable, and the structural precision is high. The problem that the existing electric cylinder is single in structure and only can be driven linearly is solved, the guide groove structure of the vertical section and the corner section is adopted, the piston rod can rotate along with the guide shaft pin to realize corner driving, the practicability is high, and the structure is reliable.
Drawings
FIG. 1 is a schematic perspective view of an electric cylinder with a corner drive structure according to the present utility model;
FIG. 2 is a perspective view of the cylinder of FIG. 1 from another perspective with the corner drive structure;
FIG. 3 is a schematic front view of the cylinder of FIG. 1 with a corner drive arrangement;
fig. 4 is a cross-sectional view of A-A in fig. 3.
Reference numerals illustrate: the cylinder body 1, the piston cavity 11, the first end 12, the second end 13, the movable guide block 14, the movable hole 141, the guide shaft pin 142, the guide bearing 1421, the fixed locking ring 143, the cylinder barrel 15, the first fixed seat 151, the second fixed seat 152, the piston assembly 2, the piston shaft sleeve 21, the shaft sleeve seat 211, the piston seal ring 212, the first bearing 213, the second bearing 214, the piston rod 22, the guide groove 23, the vertical section 231, the corner section 232, the driving assembly 3, the driving motor 31, the housing 311, the stator group 312, the motor bracket 313, the rotor group 314, the fixed nut 315, the rotary shaft sleeve 316 and the driving screw 32.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
As shown in fig. 1 to fig. 4, in one embodiment of the present utility model, an electric cylinder with a corner driving structure is related, which includes a cylinder body 1, a piston assembly 2, and a driving assembly 3, wherein a piston cavity 11 is provided in the cylinder body 1, two ends of the cylinder body 1 located in the piston cavity 11 are respectively provided with a first end 12 and a second end 13, a movable guide block 14 is installed on the first end 12, a movable hole 141 is provided on the movable guide block 14, and a guide shaft pin 142 is provided in the movable hole 141; the piston assembly 2 comprises a piston shaft sleeve 21 and a piston rod 22 connected with the piston shaft sleeve 21, the piston shaft sleeve 21 is slidably arranged in the piston cavity 11, one end of the piston rod 22 is rotatably connected with the piston shaft sleeve 21, the other end of the piston rod 22 is movable and penetrates through the movable hole 141, a guide groove 23 is formed in the outer diameter of the piston rod 22, the guide groove 23 comprises a vertical section 231 and a corner section 232, the vertical section 231 is communicated with the corner section 232, and the guide shaft pin 142 is slidably arranged in the guide groove 23; the driving assembly 3 comprises a driving motor 31 and a driving screw rod 32 arranged in the driving motor 31, one end of the driving screw rod 32 is connected with the piston shaft sleeve 21, and the driving motor 31 acts on the driving screw rod 32 to drive the piston shaft sleeve 21 to move in the piston cavity 11.
The cylinder body 1 includes cylinder 15, and locates the first fixing base 151 and the second fixing base 152 at cylinder 15 both ends, first fixing base 151 is located to first end 12, second fixing base 152 is located to second end 13, in this embodiment, is used for fixed cylinder 15 through two fixing bases, and then in the aspect of the structure, needs to set up screw fixed connection on two faces, convenient assembly, also convenient processing.
The cylinder 15 is formed by integrally processing between the first fixing seat 151 and the second fixing seat 152, in this embodiment, the above is improved, and an integrally processed structure is adopted, so that the structure is reliable and the stability is good.
The movable guide block 14 is provided with a fixed locking ring 143, the fixed locking ring 143 is used for fixedly mounting the movable guide block 14 on the first end 12, and the fixed locking ring 143 is used for locking and fixing the structure, so that the stability of the structure is enhanced.
The inner diameter of the movable hole 141 is provided with a guide surface for guiding when the piston rod 22 moves, and the stability is better when the piston rod 22 moves by guiding through the guide surface.
One end of the guide shaft pin 142 is connected with a guide bearing 1421, the guide bearing 1421 is slidably arranged in the guide groove 23, and the guide bearing 1421 is arranged to rotate during guiding, so that durability is improved.
The piston shaft sleeve 21 comprises a shaft sleeve seat 211, a piston sealing ring 212 arranged on the outer diameter of the shaft sleeve seat 211, and a first bearing 213 and a second bearing 214 arranged in the piston shaft sleeve 21; the first bearing 213 is used for connecting the piston rod 22, the second bearing 214 is used for connecting the driving screw 32, and in this embodiment, the bearing is used for connecting the piston rod 22, so that the structural connection is stable.
The driving motor 31 comprises a housing 311 connected with the second end 13, a stator set 312 and a motor support 313 which are arranged in the housing 311, and a rotor set 314 which is rotatably arranged on the motor support 313, wherein a fixing nut 315 is arranged on the motor support 313, the rotor set 314 is arranged on the fixing nut 315, the fixing nut 315 is connected with the driving screw 32 through threads, in the embodiment, the driving motor 31 drives the fixing nut 315 to rotate through the cooperation of the rotor set 314 and the stator set 312, and the fixing nut 315 drives the vertical transmission of the driving screw 32 when rotating, so as to push the piston rod 22 to move.
One end of the housing 311 is provided with a rotary shaft sleeve 316, the rotary shaft sleeve 316 is used for being rotationally connected with a fixing nut 315, the rotary shaft sleeve 316 is used for being connected with the fixing nut 315, and therefore stable rotation of the driving screw 32 can be guaranteed, one end of the driving screw 32 extends out of the housing 311, and meanwhile one end of the driving screw 32 can be led out to the outside, and further transmission stroke is increased.
According to the utility model, under the action of the driving motor 31, the driving screw 32 pushes the piston shaft sleeve 21 to drive the piston rod 22 to slide on the cylinder body 1, and during sliding, the piston rod 22 slides in the guide groove 23 through the guide shaft, so that the driving rotation of the piston rod 22 can be realized under the action of the vertical section 231 and the corner section 232, and further, the corner driving of the driving structure is realized, and the driving device has the advantages of reliable integral structure, stable driving and high structural precision. The defect that the conventional electric cylinder is single in structure and only can be driven linearly is overcome, the guide groove 23 structure of the vertical section 231 and the corner section 232 is adopted, the piston rod 22 can rotate along with the guide shaft pin 142 to realize corner driving, and the electric cylinder is high in practicability and reliable in structure.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. An electric cylinder with a corner driving structure is characterized in that: comprising
The cylinder body is internally provided with a piston cavity, two ends of the cylinder body, which are positioned in the piston cavity, are respectively provided with a first end and a second end, the first end is provided with a movable guide block, the movable guide block is provided with a movable hole, and a guide shaft pin is arranged in the movable hole;
the piston assembly comprises a piston shaft sleeve and a piston rod connected to the piston shaft sleeve, the piston shaft sleeve is slidably arranged in the piston cavity, one end of the piston rod is rotatably connected with the piston shaft sleeve, the other end of the piston rod is movable and penetrates through the movable hole, a guide groove is formed in the outer diameter of the piston rod, the guide groove comprises a vertical section and a corner section, the vertical section is communicated with the corner section, and the guide shaft pin is slidably arranged in the guide groove;
the driving assembly comprises a driving motor and a driving screw rod arranged in the driving motor, one end of the driving screw rod is connected with the piston shaft sleeve, and the driving motor acts on the driving screw rod to drive the piston shaft sleeve to move in the piston cavity.
2. The cylinder with a rotation angle drive structure according to claim 1, characterized in that: the cylinder body comprises a cylinder barrel, and a first fixing seat and a second fixing seat which are arranged at two ends of the cylinder barrel, wherein the first end of the cylinder body is arranged on the first fixing seat, and the second end of the cylinder body is arranged on the second fixing seat.
3. The cylinder with a rotation angle drive structure according to claim 2, characterized in that: the cylinder barrel is formed between the first fixing seat and the second fixing seat through integral processing.
4. The cylinder with a rotation angle drive structure according to claim 1, characterized in that: the movable guide block is provided with a fixed locking ring, and the fixed locking ring is used for fixedly mounting the movable guide block on the first end.
5. The cylinder with a rotation angle drive structure according to claim 1, characterized in that: the inner diameter of the movable hole is provided with a guide surface which is used for guiding when the piston rod moves.
6. The cylinder with a rotation angle drive structure according to claim 1, characterized in that: one end of the guide shaft pin is connected with a guide bearing, and the guide bearing can be slidably arranged in the guide groove.
7. The cylinder with a rotation angle drive structure according to claim 1, characterized in that: the piston shaft sleeve comprises a shaft sleeve seat, a piston sealing ring arranged on the outer diameter of the shaft sleeve seat, and a first bearing and a second bearing arranged in the piston shaft sleeve; the first bearing is used for connecting a piston rod, and the second bearing is used for connecting a driving screw.
8. The cylinder with a rotation angle drive structure according to claim 1, characterized in that: the driving motor comprises a shell connected with the second end, a stator group and a motor support arranged in the shell, and a rotor group rotatably arranged on the motor support, wherein a fixing nut is arranged on the motor support, and the fixing nut is connected to the driving screw through threads.
9. The cylinder with rotation angle drive structure according to claim 8, characterized in that: one end of the shell is provided with a rotary shaft sleeve, and the rotary shaft sleeve is used for being rotationally connected with the fixing nut.
10. The cylinder with rotation angle drive structure according to claim 9, characterized in that: one end of the driving screw rod extends out of the outer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321752335.XU CN220527799U (en) | 2023-07-05 | 2023-07-05 | Electric cylinder with corner driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321752335.XU CN220527799U (en) | 2023-07-05 | 2023-07-05 | Electric cylinder with corner driving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220527799U true CN220527799U (en) | 2024-02-23 |
Family
ID=89933420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321752335.XU Active CN220527799U (en) | 2023-07-05 | 2023-07-05 | Electric cylinder with corner driving structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220527799U (en) |
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2023
- 2023-07-05 CN CN202321752335.XU patent/CN220527799U/en active Active
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