CN211175255U - Totally enclosed lead screw slider electric cylinder - Google Patents
Totally enclosed lead screw slider electric cylinder Download PDFInfo
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- CN211175255U CN211175255U CN201922180502.8U CN201922180502U CN211175255U CN 211175255 U CN211175255 U CN 211175255U CN 201922180502 U CN201922180502 U CN 201922180502U CN 211175255 U CN211175255 U CN 211175255U
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Abstract
The utility model relates to a totally enclosed lead screw slider electric cylinder, which comprises a cylinder barrel, wherein a transmission lead screw is arranged in the cylinder barrel, a lead screw nut is screwed on the transmission lead screw, a piston is sleeved outside the lead screw nut, the upper part of the piston is connected with a slider through a rib plate, and the slider slides along a chute formed on the top surface of the cylinder barrel; the piston is of a cylindrical structure, the lead screw nut is accommodated in the cylindrical structure, one end of the cylindrical structure is sealed through the piston head, the outer ring of the piston head is sleeved with the wear-resisting ring, the outer wall of the wear-resisting ring is attached to the inner wall of the cylinder barrel, and the wear-resisting ring is fixedly arranged along the circumferential direction. The utility model adopts a totally enclosed structure, has good dustproof effect and prolongs the service life; the anti-rotation structure of the wear-resistant ring is limited by the stop block, so that the wear-resistant ring is prevented from rotating when the piston moves and is further blocked with the cylinder barrel, and the operation stability is provided; the transmission screw rod is matched with the screw rod nut, the transmission structure is simple and stable, the whole rodless cylinder is compact in structure and small in overall dimension, and the rodless cylinder is suitable for various transmission occasions.
Description
Technical Field
The utility model belongs to the technical field of rodless jar device technique and specifically relates to a totally enclosed lead screw slider electricity jar.
Background
The electric cylinder is an indispensable product in the field of automation, and because the electric cylinder on the market is not completely closed, when the working environment is dusty, the service life and the precision of the electric cylinder can be greatly influenced.
SUMMERY OF THE UTILITY MODEL
The applicant provides a rational in infrastructure totally enclosed lead screw slider electric cylinder to the shortcoming among the above-mentioned prior art of production, when not influencing the cylinder and normally working, has effectively avoided the dust to get into, and dustproof effectual, and then the protection cylinder prolongs the life of cylinder.
A fully-closed screw rod and slider electric cylinder comprises a cylinder barrel, wherein a transmission screw rod is installed in the cylinder barrel, a screw rod nut is screwed on the transmission screw rod, a piston is sleeved outside the screw rod nut, the upper part of the piston is connected with a slider through a rib plate, and the slider slides along a sliding groove formed in the top surface of the cylinder barrel; the piston is of a cylindrical structure, the lead screw nut is accommodated in the cylindrical structure, one end of the cylindrical structure is sealed through the piston head, the outer ring of the piston head is sleeved with the wear-resisting ring, the outer wall of the wear-resisting ring is attached to the inner wall of the cylinder barrel, and the wear-resisting ring is fixedly arranged along the circumferential direction.
As a further improvement of the above technical solution:
the side wall of the piston head is axially provided with a mounting groove, a stop block is mounted in the mounting groove, the side surface of the wear-resistant ring is provided with an opening matched with the stop block, and the wear-resistant ring is sleeved on the outer ring of the piston head and clamped on two sides of the stop block through the opening.
And the two ends of the cylinder barrel are respectively provided with a driving end cover and a tail end cover, and the driving end cover and the tail end cover are respectively connected with the two ends of the transmission screw rod through a bearing device and a buffer piece.
The bearing device installed in the driving end cover is a double-row angular contact bearing and a bearing retainer ring matched with the double-row angular contact bearing, and a buffer ring is arranged on the contact surface of the double-row angular contact bearing and the driving end cover.
The bottom of the sliding block is provided with a yielding groove, the outer steel belt penetrates through the yielding groove, and two ends of the outer steel belt are fixed on the driving end cover and the tail end cover respectively to seal the sliding groove on the top surface of the cylinder barrel.
And a nut retainer ring is sleeved on the transmission screw rod between the screw rod nut and the piston head.
The cylinder barrel is provided with a lubricating oil nozzle for injecting lubricating oil into the cylinder barrel.
The piston is fixedly connected with the feed screw nut through a nut.
The utility model has the advantages as follows:
the utility model has reasonable design and convenient operation, adopts a totally enclosed structure, has good dustproof effect and prolongs the service life; the anti-rotation structure of the wear-resistant ring is limited by the stop block, so that the wear-resistant ring is prevented from being clamped with the cylinder barrel when the piston moves, and the running stability is provided; the transmission screw rod is matched with the screw rod nut, the transmission structure is simple and stable, the whole rodless cylinder is compact in structure and small in overall dimension, and the rodless cylinder is suitable for various transmission occasions.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Wherein: 1. a cylinder barrel; 2. a transmission screw rod; 3. a drive end cap; 4. a buffer ring; 5. a piston head; 6. a wear ring; 7. a piston; 8. a feed screw nut; 9. a nut retainer ring; 10. a slider; 11. a lubricating oil nozzle; 12. a double row angular contact bearing; 13. an outer steel band; 14. a terminal end cap; 15. a stopper block; 16. a rib plate; 17. a bearing retainer ring; 51. mounting grooves; 61. and (4) opening.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 2, the totally enclosed lead screw slider electric cylinder of the present embodiment includes a cylinder barrel 1, a transmission lead screw 2 is installed in the cylinder barrel 1, a lead screw nut 8 is screwed on the transmission lead screw 2, a piston 7 is sleeved outside the lead screw nut 8, the upper part of the piston 7 is connected with a slider 10 through a rib plate 16, and the slider 10 slides along a chute formed on the top surface of the cylinder barrel 1; piston 7 is the tubular structure, and lead screw nut 8 is received to the tubular structure, and tubular structure's one end is passed through piston head 5 and is sealed, and 5 outer lanes of piston head cup joint wear ring 6, and the outer wall of wear ring 6 and the laminating of 1 inner wall of cylinder, and wear ring 6 is along the fixed setting of circumference.
As shown in fig. 3, the side wall of the piston head 5 is provided with a mounting groove 51 along the axial direction, a stop block 15 is mounted in the mounting groove 51, an opening 61 matched with the stop block 15 is arranged on the side surface of the wear-resistant ring 6, and the wear-resistant ring 6 is sleeved on the outer ring of the piston head 5 and clamped on two sides of the stop block 15 through the opening 61.
Two ends of the cylinder barrel 1 are respectively provided with a driving end cover 3 and a tail end cover 14, and the driving end cover 3 and the tail end cover 14 are respectively connected with two ends of the transmission screw rod 2 through a bearing device and a buffer piece.
The bearing device installed in the driving end cover 3 is a double-row angular contact bearing 12 and a bearing retainer ring 17 matched with the double-row angular contact bearing 12, and a buffer ring 4 is arranged on the contact surface of the double-row angular contact bearing 12 and the driving end cover 3.
The bottom of the sliding block 10 is provided with a yielding groove, the outer steel belt 13 penetrates through the yielding groove, and two ends of the outer steel belt are respectively fixed on the driving end cover 3 and the tail end cover 14 to seal the sliding groove on the top surface of the cylinder barrel 1.
A nut retainer ring 9 is sleeved on the transmission screw rod 2 between the screw rod nut 8 and the piston head 5.
The cylinder tube 1 is provided with a lubricating oil nozzle 11 for injecting lubricating oil into the cylinder tube 1.
The piston 7 is fixedly connected with the feed screw nut 8 through a nut.
The utility model discloses in the implementation, the transmission lead screw 2 of 3 one ends of drive end cover is connected with motor element, drive transmission lead screw 2 rotates, drive screw-nut 8 and piston 7 along 2 back and forth movements of transmission lead screw, in the motion process, wear-resisting ring 6 cup joints on piston head 5, through opening 61 joint in 15 both sides of stop block, the cross section of both junctions and the shape phase-match of 1 inner chamber cross section of cylinder, therefore can effectively avoid wear-resisting ring 6 to die with 1 card of cylinder, improve the operating stability.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (8)
1. The utility model provides a totally enclosed lead screw slider electric cylinder, includes cylinder (1), its characterized in that: a transmission screw rod (2) is installed in the cylinder barrel (1), a screw rod nut (8) is screwed on the transmission screw rod (2), a piston (7) is sleeved outside the screw rod nut (8), the upper part of the piston (7) is connected with a sliding block (10) through a rib plate (16), and the sliding block (10) slides along a sliding groove formed in the top surface of the cylinder barrel (1);
piston (7) are tubular structure, and the containing is in the tubular structure feed screw nut (8), and tubular structure's one end is passed through piston head (5) and is sealed, and wear-resisting ring (6) are cup jointed to piston head (5) outer lane, the laminating of wear-resisting ring (6) outer wall and cylinder (1) inner wall, and wear-resisting ring (6) along circumference fixed the setting.
2. The fully enclosed lead screw slider electric cylinder of claim 1, characterized in that: the side wall of the piston head (5) is provided with a mounting groove (51) along the axial direction, a stop block (15) is mounted in the mounting groove (51), an opening (61) matched with the stop block (15) is formed in the side surface of the wear-resistant ring (6), the wear-resistant ring (6) is sleeved on the outer ring of the piston head (5) and clamped on two sides of the stop block (15) through the opening (61).
3. The fully enclosed lead screw slider electric cylinder of claim 1, characterized in that: the two ends of the cylinder barrel (1) are respectively provided with a driving end cover (3) and a tail end cover (14), and the driving end cover (3) and the tail end cover (14) are respectively connected with the two ends of the transmission screw rod (2) through bearing devices.
4. The fully enclosed lead screw slider electric cylinder of claim 3, characterized in that: the bearing device arranged in the driving end cover (3) is a double-row angular contact bearing (12) and a bearing retainer ring (17) matched with the double-row angular contact bearing, and a buffer ring (4) is arranged on the contact surface of the double-row angular contact bearing (12) and the driving end cover (3).
5. The fully enclosed lead screw slider electric cylinder of claim 3, characterized in that: the inside of the sliding block (10) is provided with a yielding groove, the outer steel belt (13) penetrates through the yielding groove, and two ends of the outer steel belt are respectively fixed on the driving end cover (3) and the tail end cover (14) to seal the sliding groove on the top surface of the cylinder barrel (1).
6. The fully enclosed lead screw slider electric cylinder of claim 1, characterized in that: a nut retainer ring (9) is sleeved on the transmission screw rod (2) between the screw rod nut (8) and the piston head (5).
7. The fully enclosed lead screw slider electric cylinder of claim 1, characterized in that: a lubricating oil nozzle (11) for injecting lubricating oil into the cylinder barrel (1) is arranged on the cylinder barrel (1).
8. The fully enclosed lead screw slider electric cylinder of claim 1, characterized in that: the piston (7) is fixedly connected with the feed screw nut (8) through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922180502.8U CN211175255U (en) | 2019-12-06 | 2019-12-06 | Totally enclosed lead screw slider electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922180502.8U CN211175255U (en) | 2019-12-06 | 2019-12-06 | Totally enclosed lead screw slider electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211175255U true CN211175255U (en) | 2020-08-04 |
Family
ID=71797612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922180502.8U Active CN211175255U (en) | 2019-12-06 | 2019-12-06 | Totally enclosed lead screw slider electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211175255U (en) |
-
2019
- 2019-12-06 CN CN201922180502.8U patent/CN211175255U/en active Active
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