CN219893107U - Anti-rotation guide structure of electric cylinder - Google Patents
Anti-rotation guide structure of electric cylinder Download PDFInfo
- Publication number
- CN219893107U CN219893107U CN202321279263.1U CN202321279263U CN219893107U CN 219893107 U CN219893107 U CN 219893107U CN 202321279263 U CN202321279263 U CN 202321279263U CN 219893107 U CN219893107 U CN 219893107U
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- Prior art keywords
- electric cylinder
- guide
- screw rod
- cylinder shell
- connecting sleeve
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- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 7
- 239000004677 Nylon Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an anti-rotation guide structure of an electric cylinder, which comprises an electric cylinder shell, wherein a screw rod is arranged in the electric cylinder shell, a screw rod nut is sleeved on the screw rod in a spiral manner, a connecting sleeve is sleeved outside the screw rod, the connecting sleeve is fixedly connected with the screw rod nut, and the connecting sleeve penetrates through the electric cylinder shell in a sliding manner; the guide groove is reasonable in structure and novel in design, the lead screw nut can be guided through the mutual matching of the guide groove and the guide block, and when the guide block moves in the guide groove for a long time to be worn, the integrity of the guide groove is ensured through the replacement of the sealing plate and the guide block, so that the guide effect of the guide groove is ensured.
Description
Technical Field
The utility model relates to the technical field of electric cylinders, in particular to an anti-rotation guide structure of an electric cylinder.
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, and 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; realizing a brand new revolutionary product of high-precision linear motion series. The linear transmission mechanism mainly comprises a sliding block, a ball screw and a section bar, wherein the sliding block is arranged on a nut of the ball screw and is arranged in the section bar, the sliding block is connected with a push rod of the electric cylinder, and the nut of the ball screw drives the sliding block to slide up and down under the action of external force, so that the push rod of the electric cylinder is driven to stretch out and draw back.
In the existing slide block structure, two nylon blocks are generally installed on the side face of the slide block to serve as guide blocks, two guide grooves are formed in positions corresponding to sectional materials, the nylon blocks move up and down in the guide grooves, the nonmetal guide blocks can only be used under the conditions of low lead screw and small thrust and are easy to wear under the conditions of large lead screw and large thrust, the slide block can rotate in the lifting process of the slide block, and the design cannot effectively prevent rotation.
The utility model provides an anti-rotation guide structure of electronic jar of prior art application number 202220653215.3 changes current sliding friction into rolling friction through the guide ball, reduces guide structure's wearing and tearing, but guide ball still can wearing and tearing with the guide way, leads to the guide effect variation.
Disclosure of Invention
Aiming at the defects of the prior art, an anti-rotation guide structure of an electric cylinder is disclosed, and comprises an electric cylinder shell, wherein a screw rod is arranged in the electric cylinder shell, a screw rod nut is sleeved on the screw rod in a spiral manner, a connecting sleeve is sleeved outside the screw rod, the connecting sleeve is fixedly connected with the screw rod nut, and the connecting sleeve penetrates through the electric cylinder shell in a sliding manner;
the inner wall of the electric cylinder shell is provided with a plurality of guide grooves, guide blocks are slidably arranged in the guide grooves, and the guide blocks are fixed on the side wall of the screw rod nut through fixing bolts;
the four guide blocks are uniformly arranged on the side wall of the screw nut;
the electric cylinder is characterized in that a trapezoid groove is formed in the side wall of the electric cylinder shell, a sealing plate is arranged on the trapezoid groove, and the sealing plate is fixed on the electric cylinder shell through bolts.
Preferably, the guide groove is formed in the sealing plate.
Preferably, the guide block is made of stainless steel.
Preferably, the sealing plate is provided with a handle.
The utility model has the following beneficial effects: the guide groove is reasonable in structure and novel in design, the lead screw nut can be guided through the mutual matching of the guide groove and the guide block, and when the guide block moves in the guide groove for a long time to be worn, the integrity of the guide groove is ensured through the replacement of the sealing plate and the guide block, so that the guide effect of the guide groove is ensured.
Drawings
FIG. 1 is a schematic front cross-sectional view of the present utility model;
fig. 2 is a schematic front view of the present utility model.
In the figure: 1-electric cylinder shell, 2-lead screw, 3-lead screw nut, 4-connecting sleeve, 5-guide slot, 6-guide block, 7-trapezoid groove, 8-sealing plate, 9-bolt and 10-handle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, an anti-rotation guide structure of an electric cylinder comprises an electric cylinder shell 1, wherein a screw rod 2 is arranged in the electric cylinder shell 1, a motor driving end is connected with the screw rod 2 and used for driving the screw rod 2 to rotate, a screw rod nut 3 is spirally sleeved on the screw rod 2, a connecting sleeve 4 is sleeved outside the screw rod 2, the connecting sleeve 4 is fixedly connected with the screw rod nut 3, and the connecting sleeve 4 penetrates through the electric cylinder shell 1 in a sliding manner;
the screw rod 2 rotates in the screw rod nut 3 and can drive the screw rod nut 3 to transversely move, so that the connecting sleeve 4 is moved to realize linear motion;
the inner wall of the electric cylinder shell 1 is provided with a plurality of guide grooves 5, guide blocks 6 are slidably arranged in the guide grooves 5, the movement of the screw nut 3 can be guided through the cooperation of the guide blocks 6 and the guide grooves 5, the screw nut 3 is prevented from rotating relative to the electric cylinder shell 1, the guide blocks 6 are made of specific metal materials, the service life of the guide blocks 6 is prolonged, the guide blocks 6 are prevented from being worn too fast, the guide blocks 6 are fixed on the side wall of the screw nut 3 through fixing bolts, and the guide blocks 6 are convenient to replace;
four guide blocks 6 are uniformly arranged on the side wall of the screw nut 3;
the trapezoidal groove 7 has been seted up on the electric jar shell 1 lateral wall, be provided with shrouding 8 on the trapezoidal groove 7, be provided with handle 10 on shrouding 8, conveniently dismantle shrouding 8, guide slot 5 is seted up on shrouding 8, shrouding 8 passes through bolt 9 to be fixed on electric jar shell 1, can dismantle shrouding 8, conveniently dismantle shrouding 8 through the handle 10 that sets up, when guide block 6 and guide slot 5 long-time friction, can produce wearing and tearing, guarantee its guide effect through changing shrouding 8 and guide block 6.
Examples:
working principle: when the anti-rotation guide structure of the electric cylinder is used, the motor drives the screw rod 2 to rotate, the screw rod nut 3 converts the rotary motion of the screw rod 2 into linear motion, the connecting sleeve 4 is driven to stretch out and draw back, the screw rod nut 3 is guided by matching the guide block 6 with the guide groove 5 in the moving process of the screw rod nut 3 on the screw rod 2, the screw rod nut 3 is prevented from rotating relative to the electric cylinder shell 1, when the screw rod nut 3 repeatedly moves for a long time, the guide block 6 and the guide groove 5 are easy to wear, the integrity of the screw rod is guaranteed by replacing the sealing plate 8 and the guide block 6, and the guide function of the screw rod nut is guaranteed.
In the description of the present embodiment, it should be noted that, unless explicitly specified and defined otherwise, the terms 'mounted', 'connected', 'communicating' should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (4)
1. The anti-rotation guide structure of the electric cylinder is characterized by comprising an electric cylinder shell (1), wherein a screw rod (2) is arranged in the electric cylinder shell (1), a screw rod nut (3) is spirally sleeved on the screw rod (2), a connecting sleeve (4) is sleeved outside the screw rod (2), the connecting sleeve (4) is fixedly connected with the screw rod nut (3), and the connecting sleeve (4) penetrates through the electric cylinder shell (1) in a sliding manner;
the inner wall of the electric cylinder shell (1) is provided with a plurality of guide grooves (5), guide blocks (6) are slidably arranged in the guide grooves (5), and the guide blocks (6) are fixed on the side wall of the screw rod nut (3) through fixing bolts;
the number of the guide blocks (6) is four, and the guide blocks are uniformly arranged on the side wall of the screw rod nut (3);
the electric cylinder is characterized in that a trapezoid groove (7) is formed in the side wall of the electric cylinder shell (1), a sealing plate (8) is arranged on the trapezoid groove (7), and the sealing plate (8) is fixed on the electric cylinder shell (1) through bolts (9).
2. The anti-rotation guide structure of an electric cylinder according to claim 1, wherein the guide groove (5) is formed on the sealing plate (8).
3. The anti-rotation guide structure of an electric cylinder according to claim 1, characterized in that the guide block (6) is made of stainless steel material.
4. An anti-rotation guide structure for an electric cylinder according to claim 1, characterized in that the sealing plate (8) is provided with a handle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321279263.1U CN219893107U (en) | 2023-05-25 | 2023-05-25 | Anti-rotation guide structure of electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321279263.1U CN219893107U (en) | 2023-05-25 | 2023-05-25 | Anti-rotation guide structure of electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219893107U true CN219893107U (en) | 2023-10-24 |
Family
ID=88405600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321279263.1U Active CN219893107U (en) | 2023-05-25 | 2023-05-25 | Anti-rotation guide structure of electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219893107U (en) |
-
2023
- 2023-05-25 CN CN202321279263.1U patent/CN219893107U/en active Active
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