CN211901766U - Novel executor straight stroke structure - Google Patents
Novel executor straight stroke structure Download PDFInfo
- Publication number
- CN211901766U CN211901766U CN202020109300.4U CN202020109300U CN211901766U CN 211901766 U CN211901766 U CN 211901766U CN 202020109300 U CN202020109300 U CN 202020109300U CN 211901766 U CN211901766 U CN 211901766U
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- CN
- China
- Prior art keywords
- lower cover
- connecting block
- actuator
- screw rod
- output shaft
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- Expired - Fee Related
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Abstract
The utility model discloses a novel actuator straight stroke structure in the field of actuators, which comprises an upper cover, a lower cover connected with the upper cover, and a bracket connected with the lower cover; a round hollow base is arranged below the bracket; the upper cover and the lower cover as well as the lower cover and the bracket are fixedly connected through bolts; an actuator output shaft is arranged in the center of the upper cover, and the center of the actuator output shaft is hollow; the lower cover is internally provided with an installation step, the center of the lower cover is provided with a thrust screw rod, a rotary copper nut is arranged between the lower cover and the thrust screw rod, a convex block is arranged on the outer side of the rotary copper nut, the convex block is arranged in the installation step, and bearings are arranged on the upper side and the lower side of the convex block; the rotary copper nut is connected with the output shaft of the actuator through a coupler; the thrust screw rod is provided with the connecting block below, the connecting block upside is provided with the gag lever post. The utility model discloses novel structure, the leakproofness is high, and wearing and tearing are little, long service life.
Description
Technical Field
The utility model relates to an executor field of making, in particular to novel executor straight stroke structure.
Background
The straight-stroke electric actuating mechanism has three control modes of continuous adjustment, manual remote control and local manual operation. The method is widely applied to adjusting systems of industrial departments such as power plants, steel, petroleum, chemical industry, light industry and the like.
At present, the traditional straight stroke electric actuating mechanism is not tight enough in sealing performance, the invasion of rainwater or dust often occurs, meanwhile, the length of the nut inside is low in abrasion resistance, and the thrust screw rod slightly shakes during operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sealing performance is high, wearing and tearing less a novel executor straight stroke structure.
The purpose of the utility model is realized like this: a novel actuator straight stroke structure comprises an upper cover, a lower cover connected with the upper cover, and a bracket connected with the lower cover; a round hollow base is arranged below the bracket; the upper cover and the lower cover as well as the lower cover and the bracket are fixedly connected through bolts; an actuator output shaft is arranged in the center of the upper cover, and the center of the actuator output shaft is hollow; the lower cover is internally provided with an installation step, the center of the lower cover is provided with a thrust screw rod, a rotary copper nut is arranged between the lower cover and the thrust screw rod, a convex block is arranged on the outer side of the rotary copper nut, the convex block is arranged in the installation step, and bearings are arranged on the upper side and the lower side of the convex block; the rotary copper nut is connected with the output shaft of the actuator through a coupler; the thrust screw rod is provided with the connecting block below, the connecting block upside is provided with the gag lever post.
Compared with the prior art, the utility model discloses an useful part lies in: because the sealing ring and the O-shaped ring are arranged on the sealing surface between the output shaft of the actuator and the upper cover, the integral sealing performance of the actuator is greatly enhanced, and external rainwater and dust are prevented from entering; the bearings are arranged on the upper side and the lower side of the rotary copper nut, so that the rotary copper nut is prevented from being seriously worn when being used for a long time; the limiting rod is arranged in the groove on the inner side of the bracket, so that the up-and-down movement of the thrust screw rod can be limited, and the forward-and-backward shaking of the thrust screw rod is avoided; because set up connecting block and connecting block down with the connecting block for connecting block can be changed according to actual conditions down.
As the utility model discloses a preferred scheme, be provided with sealing washer and O type circle on the sealed face between executor output shaft and the upper cover.
As the utility model discloses a further preferred scheme, thrust lead screw periphery is provided with the external screw thread, rotatory copper nut inboard is provided with the internal thread, thrust lead screw and rotatory copper nut can be mutually rotary fit.
As a further preferred scheme of the utility model, the support inboard is provided with the spout, place in the spout at the gag lever post both ends, the gag lever post reciprocates in the spout.
As a further preferred scheme of the utility model, executor output shaft, thrust lead screw center are on same axis, the external diameter of thrust lead screw is less than the internal diameter of executor output shaft.
As a further preferable scheme of the utility model, the connecting block is divided into an upper connecting block and a lower connecting block; the upper connecting block and the lower connecting block are fixedly connected through bolts, and the lower connecting block can be replaced according to different types of gate valve rods.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the connection between the limiting rod and the bracket of the present invention.
The device comprises an upper cover 1, a lower cover 2, a support 3, a sliding groove 31, a base 4, an actuator output shaft 5, an installation step 6, a thrust screw rod 7, a rotary copper nut 8, a convex block 9, a bearing 10, a coupler 11, a connecting block 12, an upper connecting block 121, a lower connecting block 122, a limiting rod 13, a sealing ring 14 and an O-shaped ring 15.
Detailed Description
As shown in fig. 1, a novel actuator straight-stroke structure comprises an upper cover 1, a lower cover 2 connected with the upper cover 1, and a bracket 3 connected with the lower cover 2; a round hollow base 4 is arranged below the bracket 3; the upper cover 1 and the lower cover 2 are fixedly connected with each other through bolts, and the lower cover 2 and the bracket 3 are fixedly connected with each other through bolts; an actuator output shaft 5 is arranged at the center of the upper cover 1, and the center of the actuator output shaft 5 is hollow; an installation step 6 is arranged inside the lower cover 2, a thrust screw rod 7 is arranged at the center of the lower cover 2, a rotary copper nut 8 is arranged between the lower cover 2 and the thrust screw rod 7, a convex block 9 is arranged on the outer side of the rotary copper nut 8, the convex block 9 is arranged in the installation step 6, and bearings 10 are arranged on the upper side and the lower side of the convex block 9; the rotary copper nut 8 is connected with the actuator output shaft 5 through a coupler 11; a connecting block 12 is arranged below the thrust screw rod 7, and a limiting rod 13 is arranged on the upper side of the connecting block 12.
A sealing ring 14 and an O-ring 15 are provided on the sealing surface between the actuator output shaft 5 and the upper cover 1.
The periphery of the thrust screw rod 7 is provided with external threads, the inner side of the rotary copper nut 8 is provided with internal threads, and the thrust screw rod 7 and the rotary copper nut 8 can be mutually matched in a rotating mode.
The inner side of the bracket 3 is provided with a sliding groove 31, two ends of the limiting rod 13 are placed in the sliding groove 31, and the limiting rod 13 moves up and down in the sliding groove 31.
The centers of the actuator output shaft 5 and the thrust screw rod 7 are on the same axis, and the outer diameter of the thrust screw rod 7 is smaller than the inner diameter of the actuator output shaft 5.
The connecting block 12 is divided into an upper connecting block 121 and a lower connecting block 122; go up connecting block 121 and lower connecting block 122 and pass through bolt fixed connection, lower connecting block 122 can be changed according to the gate valve rod of different models.
The working principle of the utility model is explained as follows: the actuator output shaft 5 rotates to drive the rotary copper nut 8, the rotary copper nut 8 drives the thrust screw rod 7 to move upwards through the internal thread, the thrust screw rod 7 further drives the valve rod of the valve to ascend, and the limiting rod 13 is arranged in the sliding groove 31 on the inner side of the support 3 to reduce the shaking degree of the thrust screw rod 7; the seal ring 14 and the O-ring 15 enhance the sealing performance of the actuator as a whole.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.
Claims (6)
1. A novel actuator straight stroke structure comprises an upper cover, a lower cover connected with the upper cover, and a bracket connected with the lower cover; the method is characterized in that: a round hollow base is arranged below the bracket; the upper cover and the lower cover as well as the lower cover and the bracket are fixedly connected through bolts; an actuator output shaft is arranged in the center of the upper cover, and the center of the actuator output shaft is hollow; the lower cover is internally provided with an installation step, the center of the lower cover is provided with a thrust screw rod, a rotary copper nut is arranged between the lower cover and the thrust screw rod, a convex block is arranged on the outer side of the rotary copper nut, the convex block is arranged in the installation step, and bearings are arranged on the upper side and the lower side of the convex block; the rotary copper nut is connected with the output shaft of the actuator through a coupler; the thrust screw rod is provided with the connecting block below, the connecting block upside is provided with the gag lever post.
2. The novel actuator straight stroke structure according to claim 1, wherein: and a sealing ring and an O-shaped ring are arranged on a sealing surface between the output shaft of the actuator and the upper cover.
3. The novel actuator straight stroke structure according to claim 1, wherein: the periphery of the thrust screw rod is provided with external threads, the inner side of the rotary copper nut is provided with internal threads, and the thrust screw rod and the rotary copper nut can be mutually matched in a rotating mode.
4. The novel actuator straight stroke structure according to claim 1, wherein: the support inboard is provided with the spout, the gag lever post both ends are placed in the spout, the gag lever post reciprocates in the spout.
5. The novel actuator straight stroke structure according to claim 1, wherein: the center of the actuator output shaft and the center of the thrust screw rod are on the same axis, and the outer diameter of the thrust screw rod is smaller than the inner diameter of the actuator output shaft.
6. The novel actuator straight stroke structure according to claim 1, wherein: the connecting block is divided into an upper connecting block and a lower connecting block; the upper connecting block and the lower connecting block are fixedly connected through bolts, and the lower connecting block can be replaced according to different types of gate valve rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020109300.4U CN211901766U (en) | 2020-01-18 | 2020-01-18 | Novel executor straight stroke structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020109300.4U CN211901766U (en) | 2020-01-18 | 2020-01-18 | Novel executor straight stroke structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901766U true CN211901766U (en) | 2020-11-10 |
Family
ID=73302880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020109300.4U Expired - Fee Related CN211901766U (en) | 2020-01-18 | 2020-01-18 | Novel executor straight stroke structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901766U (en) |
-
2020
- 2020-01-18 CN CN202020109300.4U patent/CN211901766U/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 |
Granted publication date: 20201110 Termination date: 20220118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |