CN221221437U - Sealing structure for electric cylinder - Google Patents
Sealing structure for electric cylinder Download PDFInfo
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- CN221221437U CN221221437U CN202323258642.5U CN202323258642U CN221221437U CN 221221437 U CN221221437 U CN 221221437U CN 202323258642 U CN202323258642 U CN 202323258642U CN 221221437 U CN221221437 U CN 221221437U
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- sealing
- electric cylinder
- inner cavity
- groove
- cylinder body
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- 238000007789 sealing Methods 0.000 title claims abstract description 188
- 230000005540 biological transmission Effects 0.000 abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 241000221535 Pucciniales Species 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of electric cylinder sealing and discloses a sealing structure for an electric cylinder, which comprises an electric cylinder body, wherein an ejector rod is arranged in the electric cylinder body, a sealing piece is arranged in the electric cylinder body and is used for sealing the electric cylinder body, an inner hexagon bolt is arranged in the sealing piece, the outer surface of the inner hexagon bolt is movably connected with the inner part of the electric cylinder body, a limiting piece is arranged on the outer surface of the sealing piece, the inner part of the limiting piece is movably connected with the outer surface of the ejector rod, the limiting piece is used for guiding the ejector rod, a sealing groove is formed in the electric cylinder body, an inner cavity of the sealing groove is movably connected with the sealing piece, and a first threaded hole is formed in the electric cylinder body. The utility model has good sealing performance and can avoid the phenomenon that the transmission part rusts due to water inlet of the cylinder body when the transmission part is used in rainy days.
Description
Technical Field
The utility model relates to the technical field of electric cylinder sealing, in particular to a sealing structure for an electric cylinder.
Background
The electric cylinder is a modularized product designed by integrating the servo motor and the screw rod, converts the rotary motion of the servo motor into linear motion, and simultaneously, accurately controls the rotating speed and the rotating speed of the best advantage of the servo motor, and converts the accurate torque control into the accurate speed control, the accurate position control and the accurate thrust control, so as to realize brand new products of high-precision linear motion series.
At present, the existing electric cylinder is poor in sealing effect, can only be suitable for a drier environment, and is easy to enter water in the cylinder body when used in rainy days, so that a transmission part is rusted, the transmission part cannot be used continuously or the service life of the transmission part is shortened, and therefore, the sealing structure for the electric cylinder is provided.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the sealing structure for the electric cylinder, which has the advantages of good sealing performance, capability of avoiding the phenomenon that the transmission part is rusted due to water inlet of the cylinder body when the sealing structure is used in rainy days, and the like, and solves the problems of poor sealing effect and easiness in water inlet in the cylinder body.
(II) technical scheme
In order to achieve the purposes of good sealing performance and avoiding the phenomenon that the transmission part rusts due to water inlet of the cylinder body when the transmission part is used in a rainy day, the utility model provides the following technical scheme: the utility model provides a seal structure for electric cylinder, includes the electric cylinder body, the inside of electric cylinder body is provided with the ejector pin, the inside of electric cylinder body is provided with the sealing member, the sealing member is used for the sealed of electric cylinder body, the inside of sealing member is provided with hexagon socket head cap screw, swing joint between hexagon socket head cap screw's surface and the inside of electric cylinder body;
The outer surface of sealing member is provided with the locating part, swing joint between the inside of locating part and the surface of ejector rod, the locating part is used for guiding spacing ejector rod.
As a preferable technical scheme of the utility model, a sealing groove is formed in the electric cylinder body, and an inner cavity of the sealing groove is movably connected with a sealing piece;
The electric cylinder is characterized in that a first threaded hole is formed in the electric cylinder body, and an inner cavity of the first threaded hole is in threaded connection with the inner hexagon bolt so as to fix the sealing element.
As a preferable technical scheme of the utility model, the inner cavity side wall of the sealing groove is provided with a first sealing ring groove, the inner cavity side wall of the sealing groove is provided with a second sealing ring groove, the inner cavity wall of the second sealing ring groove is provided with an arc-shaped groove, and the inner cavities of the first sealing ring groove, the second sealing ring groove and the arc-shaped groove are movably connected with the sealing element so as to be convenient for installing the sealing element.
As a preferable technical scheme of the utility model, the sealing element comprises a sealing barrel sleeve, the outer surface of the sealing barrel sleeve is movably connected with the inner cavity of the sealing groove, the outer surface of the sealing barrel sleeve is fixedly connected with the limiting element, the inner part of the sealing barrel sleeve is movably connected with the inner hexagon bolt, the inner cavity of the sealing barrel sleeve is fixedly provided with a rubber barrel, and the inner cavity of the rubber barrel is movably connected with the outer surface of the ejector rod;
The outer surface of the sealing cylinder sleeve is fixedly provided with an arc block, the outer surface of the arc block is movably connected with the inner cavity of the arc groove, the outer surface of the arc block is fixedly provided with a first sealing ring, the first sealing ring is fixedly sleeved with the outer surface of the sealing cylinder sleeve, and the outer surfaces of the arc block and the first sealing ring are movably connected with the inner cavity of the second sealing ring groove;
The outer surface of the sealing cylinder sleeve is fixedly provided with a second sealing ring, and the outer surface of the second sealing ring is movably connected with the inner cavity of the first sealing ring groove so as to be convenient for sealing.
As a preferable technical scheme of the utility model, a second threaded hole is formed in the sealing cylinder sleeve, and an inner cavity of the second threaded hole is in threaded connection with the inner hexagon bolt so as to facilitate installation of the inner hexagon bolt.
As a preferable technical scheme of the utility model, the limiting piece comprises a connecting rod, one end of the connecting rod is fixedly connected with the outer surface of the sealing sleeve, the other end of the connecting rod is fixedly provided with a limiting ring, and the inner cavity of the limiting ring is movably connected with the outer surface of the ejector rod so as to guide the limiting ejector rod.
(III) beneficial effects
Compared with the prior art, the utility model provides a sealing structure for an electric cylinder, which comprises the following components
The beneficial effects are that:
1. This seal structure for electric cylinder is through installing the sealing member at the seal groove inner chamber to exert thrust to the sealing member, seal cartridge sleeve entering seal groove inner chamber this moment, first sealing washer, second sealing washer entering second seal annular inner chamber, first seal annular inner chamber, and the arc piece gets into second seal annular inner chamber through the arc groove, then rotatory seal cartridge sleeve, the arc piece gets into second seal annular inner chamber this moment, until rotatory until the arc piece joint at second seal annular inner chamber, reuse hexagon socket head cap screw passes the second screw hole inner chamber, get into first screw hole inner chamber, until fix the seal cartridge sleeve on the electric cylinder body, thereby the convenience is installed the sealing member, and the leakproofness is good, and then can avoid the cylinder body to advance water and lead to the phenomenon emergence that the transmission part rusted when the rainy day uses.
2. This seal structure for electronic jar is through starting electronic jar body to the transmission part in the electronic jar body is inside drives the ejector rod and removes, and the ejector rod removes at the spacing ring inner chamber that is fixed with the connecting rod this moment, and the spacing ring is led the ejector rod spacing, thereby conveniently leads the ejector rod spacing.
Drawings
FIG. 1 is a front perspective view of the present utility model;
FIG. 2 is an exploded perspective view of the present utility model;
FIG. 3 is a cut-away perspective view of the present utility model;
FIG. 4 is an enlarged view of the utility model at A in FIG. 3;
Fig. 5 is a perspective view of the seal and stop of the present utility model.
In the figure: 1. an electric cylinder body; 11. sealing grooves; 111. a first seal ring groove; 112. a second seal ring groove; 113. an arc-shaped groove; 12. a first threaded hole; 2. an ejector rod; 3. a seal; 31. sealing the sleeve; 311. a second threaded hole; 32. a rubber cylinder; 33. an arc-shaped block; 34. a first seal ring; 35. a second seal ring; 4. an inner hexagon bolt; 5. a limiting piece; 51. a connecting rod; 52. and a limiting ring.
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. 1-5, a sealing structure for an electric cylinder comprises an electric cylinder body 1, wherein an ejector rod 2 is arranged in the electric cylinder body 1, a sealing element 3 is arranged in the electric cylinder body 1, the sealing element 3 is used for sealing the electric cylinder body 1, an inner hexagon bolt 4 is arranged in the sealing element 3, and the outer surface of the inner hexagon bolt 4 is movably connected with the inner part of the electric cylinder body 1;
The surface of sealing member 3 is provided with locating part 5, swing joint between the surface of the inside and ejector rod 2 of locating part 5, and locating part 5 is used for guiding spacing ejector rod 2.
Specifically, a sealing groove 11 is formed in the electric cylinder body 1, and an inner cavity of the sealing groove 11 is movably connected with the sealing piece 3;
The first threaded hole 12 is formed in the electric cylinder body 1, and the inner cavity of the first threaded hole 12 is in threaded connection with the inner hexagon bolt 4.
In the embodiment, the sealing groove 11 is formed in the electric cylinder body 1, so that the sealing element 3 is convenient to install in the electric cylinder body 1;
By providing the first threaded hole 12 in the electric cylinder body 1, the socket head cap bolts 4 are conveniently installed in the electric cylinder body 1.
Specifically, the inner cavity side wall of the sealing groove 11 is provided with a first sealing ring groove 111, the inner cavity side wall of the sealing groove 11 is provided with a second sealing ring groove 112, the inner cavity wall of the second sealing ring groove 112 is provided with an arc-shaped groove 113, and the inner cavities of the first sealing ring groove 111, the second sealing ring groove 112 and the arc-shaped groove 113 are movably connected with the sealing piece 3.
In this embodiment, the first seal ring groove 111 and the second seal ring groove 112 are formed in the inner cavity side wall of the seal groove 11, and the arc-shaped groove 113 is formed in the inner cavity wall of the second seal ring groove 112, so that the sealing element 3 is conveniently installed in the electric cylinder body 1.
Specifically, the sealing element 3 comprises a sealing barrel sleeve 31, the outer surface of the sealing barrel sleeve 31 is movably connected with the inner cavity of the sealing groove 11, the outer surface of the sealing barrel sleeve 31 is fixedly connected with the limiting piece 5, the inner part of the sealing barrel sleeve 31 is movably connected with the inner hexagon bolt 4, the inner cavity of the sealing barrel sleeve 31 is fixedly provided with a rubber barrel 32, and the inner cavity of the rubber barrel 32 is movably connected with the outer surface of the ejector rod 2;
The outer surface of the sealing barrel sleeve 31 is fixedly provided with an arc block 33, the outer surface of the arc block 33 is movably connected with the inner cavity of the arc groove 113, the outer surface of the arc block 33 is fixedly provided with a first sealing ring 34, the first sealing ring 34 is fixedly sleeved with the outer surface of the sealing barrel sleeve 31, and the outer surfaces of the arc block 33 and the first sealing ring 34 are movably connected with the inner cavity of the second sealing ring groove 112;
The second sealing ring 35 is fixedly arranged on the outer surface of the sealing barrel sleeve 31, and the outer surface of the second sealing ring 35 is movably connected with the inner cavity of the first sealing ring groove 111.
In this embodiment, the sealing member 3 is installed in the inner cavity of the sealing groove 11, and thrust is applied to the sealing member 3, at this time, the sealing sleeve 31 fixed with the rubber cylinder 32 enters the inner cavity of the sealing groove 11, the first sealing ring 34 and the second sealing ring 35 fixed on the outer surface of the sealing sleeve 31 enter the inner cavity of the second sealing ring groove 112 and the inner cavity of the first sealing ring groove 111, and the arc-shaped block 33 fixed on the outer surface of the sealing sleeve 31 enters the inner cavity of the second sealing ring groove 112 through the arc-shaped groove 113, then the sealing sleeve 31 fixed with the rubber cylinder 32 is rotated, at this time, the arc-shaped block 33 fixed on the outer surface of the sealing sleeve 31 enters the inner cavity of the second sealing ring groove 112 until the arc-shaped block 33 is clamped in the inner cavity of the second sealing ring groove 112, and then the hexagon socket head cap bolt 4 passes through the inside the sealing sleeve 31 and enters the inside of the electric cylinder body 1 until the sealing sleeve 31 is fixed on the electric cylinder body 1, so that the sealing member 3 is convenient to install, and the sealing performance is good, and the occurrence of rusting of a transmission part caused by water entering the cylinder body in rainy days can be avoided.
Specifically, a second threaded hole 311 is formed in the sealing sleeve 31, and an inner cavity of the second threaded hole 311 is in threaded connection with the socket head cap screw 4.
In this embodiment, the second threaded hole 311 is formed in the sealing sleeve 31, so that the socket head cap bolts 4 are conveniently mounted in the sealing sleeve 31.
Specifically, the limiting piece 5 comprises a connecting rod 51, one end of the connecting rod 51 is fixedly connected with the outer surface of the sealing barrel sleeve 31, the other end of the connecting rod 51 is fixedly provided with a limiting ring 52, and the inner cavity of the limiting ring 52 is movably connected with the outer surface of the ejector rod 2.
In this embodiment, through starting electric cylinder body 1 to the transmission part in the inside of electric cylinder body 1 drives ejector rod 2 and removes, and ejector rod 2 moves at the spacing ring 52 inner chamber that is fixed with connecting rod 51 this moment, and spacing ring 52 carries out the direction spacing to ejector rod 2, thereby conveniently carries out the direction spacing to ejector rod 2.
Working principle: when the sealing device is used, the sealing element 3 is arranged in the inner cavity of the sealing groove 11, thrust is applied to the sealing element 3, the sealing sleeve 31 fixed with the rubber cylinder 32 enters the inner cavity of the sealing groove 11, the first sealing ring 34 and the second sealing ring 35 fixed on the outer surface of the sealing sleeve 31 enter the inner cavity of the second sealing ring groove 112 and the inner cavity of the first sealing ring groove 111, the arc block 33 fixed on the outer surface of the sealing sleeve 31 enters the inner cavity of the second sealing ring groove 112 through the arc groove 113, the sealing sleeve 31 fixed with the rubber cylinder 32 is rotated, at the moment, the arc block 33 fixed on the outer surface of the sealing sleeve 31 enters the inner cavity of the second sealing ring groove 112 until the arc block 33 is clamped in the inner cavity of the second sealing ring groove 112, and then the inner hexagon socket head cap bolt 4 penetrates through the inner cavity of the second threaded hole 311 formed in the sealing sleeve 31 and enters the inner cavity of the first threaded hole 12 formed in the electric cylinder body 1 until the sealing sleeve 31 is fixed on the electric cylinder body 1, so that the sealing element 3 is conveniently arranged, and the sealing element 3 is well can be prevented from rusting when the sealing device is used in rainy days;
The electric cylinder body 1 is started, the ejector rod 2 is driven to move by the transmission component in the electric cylinder body 1, at the moment, the ejector rod 2 moves in the inner cavity of the limiting ring 52 fixed with the connecting rod 51, and the limiting ring 52 guides and limits the ejector rod 2, so that the ejector rod 2 is conveniently guided and limited, the device is good in tightness, and the phenomenon that the transmission component rusts due to water inlet of the cylinder body in rainy days can be avoided.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a seal structure for electronic jar, includes electronic jar body (1), the inside of electronic jar body (1) is provided with ejector rod (2), its characterized in that: the electric cylinder comprises an electric cylinder body (1), wherein a sealing piece (3) is arranged in the electric cylinder body (1), the sealing piece (3) is used for sealing the electric cylinder body (1), an inner hexagon bolt (4) is arranged in the sealing piece (3), and the outer surface of the inner hexagon bolt (4) is movably connected with the inside of the electric cylinder body (1);
The outer surface of sealing member (3) is provided with locating part (5), swing joint between the inside of locating part (5) and the surface of ejector rod (2), locating part (5) are used for guiding spacing ejector rod (2).
2. The sealing structure for an electric cylinder according to claim 1, characterized in that: a sealing groove (11) is formed in the electric cylinder body (1), and an inner cavity of the sealing groove (11) is movably connected with the sealing piece (3);
the electric cylinder is characterized in that a first threaded hole (12) is formed in the electric cylinder body (1), and an inner cavity of the first threaded hole (12) is in threaded connection with the inner hexagon bolt (4).
3. The sealing structure for an electric cylinder according to claim 2, characterized in that: the inner cavity side wall of the sealing groove (11) is provided with a first sealing ring groove (111), the inner cavity side wall of the sealing groove (11) is provided with a second sealing ring groove (112), the inner cavity wall of the second sealing ring groove (112) is provided with an arc groove (113), and the inner cavities of the first sealing ring groove (111), the second sealing ring groove (112) and the arc groove (113) are movably connected with the sealing piece (3).
4. A sealing structure for an electric cylinder according to claim 3, characterized in that: the sealing piece (3) comprises a sealing barrel sleeve (31), the outer surface of the sealing barrel sleeve (31) is movably connected with the inner cavity of the sealing groove (11), the outer surface of the sealing barrel sleeve (31) is fixedly connected with the limiting piece (5), the inner part of the sealing barrel sleeve (31) is movably connected with the inner hexagon bolt (4), a rubber barrel (32) is fixedly arranged in the inner cavity of the sealing barrel sleeve (31), and the inner cavity of the rubber barrel (32) is movably connected with the outer surface of the ejector rod (2);
The outer surface of the sealing barrel sleeve (31) is fixedly provided with an arc block (33), the outer surface of the arc block (33) is movably connected with the inner cavity of the arc groove (113), the outer surface of the arc block (33) is fixedly provided with a first sealing ring (34), the first sealing ring (34) is fixedly sleeved with the outer surface of the sealing barrel sleeve (31), and the outer surfaces of the arc block (33) and the first sealing ring (34) are movably connected with the inner cavity of the second sealing ring groove (112);
The outer surface of the sealing barrel sleeve (31) is fixedly provided with a second sealing ring (35), and the outer surface of the second sealing ring (35) is movably connected with the inner cavity of the first sealing ring groove (111).
5. The sealing structure for an electric cylinder according to claim 4, wherein: the inside of sealed barrel casing (31) has seted up second screw hole (311), threaded connection between inner chamber and the hexagon socket head cap screw (4) of second screw hole (311).
6. The sealing structure for an electric cylinder according to claim 4, wherein: the limiting piece (5) comprises a connecting rod (51), one end of the connecting rod (51) is fixedly connected with the outer surface of the sealing barrel sleeve (31), a limiting ring (52) is fixedly arranged at the other end of the connecting rod (51), and the inner cavity of the limiting ring (52) is movably connected with the outer surface of the ejector rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323258642.5U CN221221437U (en) | 2023-11-30 | 2023-11-30 | Sealing structure for electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323258642.5U CN221221437U (en) | 2023-11-30 | 2023-11-30 | Sealing structure for electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221221437U true CN221221437U (en) | 2024-06-25 |
Family
ID=91566276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323258642.5U Active CN221221437U (en) | 2023-11-30 | 2023-11-30 | Sealing structure for electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221221437U (en) |
-
2023
- 2023-11-30 CN CN202323258642.5U patent/CN221221437U/en active Active
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