Master controller for high-protection ship

By placing the micro switch and transmission components inside a sealed cavity and adopting a gear transmission structure design, the problem of poor protection performance of existing master controllers is solved, and a highly protected, stable and reliable marine master controller is realized.

CN223927240UActive Publication Date: 2026-02-17ZHEJIANG LIXIN HOIST SWITCH FACTORY
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Patent Information

Application Number
CN202520172543.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-25
Publication Date
2026-02-17
Estimated Expiration
2035-01-25

AI Technical Summary

Technical Problem

The existing master controllers have exposed microswitches and transmission components, which have poor protection performance, complex structure, unreliable performance, and inconvenient assembly, and cannot meet the requirements for use on ships.

Method used

The micro switch and transmission components are housed within a sealed cavity, employing a gear transmission structure design, and equipped with sealing rings and waterproof connectors to enhance protection, simplify the structure, and improve reliability.

Benefits of technology

It achieves high protection performance, has a simple structure, is easy to operate, has stable and reliable performance, and a long service life, meeting the requirements for ship use.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223927240U_ABST
    Figure CN223927240U_ABST
Patent Text Reader

Abstract

The utility model relates to a master controller for a high-protection ship, which comprises a support, a housing, an operating lever and a transmission component, a sealing cavity is formed between the support and the housing, and the transmission component is arranged in the sealing cavity. The transmission assembly comprises a transmission shaft, a sector gear, a mechanism frame arranged in the housing, a main shaft rotationally arranged on the mechanism frame, a bevel gear arranged on the main shaft in a linkage mode and meshed with the sector gear, a positioning assembly arranged on the mechanism frame and matched with the main shaft, and a plurality of microswitches arranged on the mechanism frame and matched with the main shaft. The main shaft is provided with a cam matched with the plurality of microswitches, and the cam acts along with the main shaft and triggers the plurality of microswitches to realize connection or disconnection of the plurality of microswitches. The utility model has the advantages of simple structure, stable and reliable performance, convenience in assembly, long service life and high protection.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a main order controller, concretely relates to a high protection marine main order controller. BACKGROUND

[0002] The main order controller (also called main order switch) is mainly used in the electrical transmission device, and is used for switching the contact in a certain order to achieve the purpose of issuing order or other control line interlocking and conversion. It is suitable for frequently connecting and cutting off the circuit, and is usually used in combination with the magnetic starter to remotely control the starting, braking, speed regulation and reversing of the wound asynchronous motor. It is widely used in the control system of the driving motor of various hoisting machinery. The main order controller comprises a mechanism frame, an operating mechanism arranged on the mechanism frame and a contact system arranged in the mechanism frame. The micro switch and the potentiometer of the existing main order controller are exposed outside the mechanism frame, and the protection performance is poor, which cannot meet the use requirements of the ship. In addition, the main order controller has the defects of complex structure, unreliable performance and inconvenient assembly. SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art, and provides a high protection marine main order controller which has the advantages of simple structure, stable and reliable performance, convenient assembly and long service life.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts a kind of high protection marine main order controller, including support, cover shell being arranged on support, lever being rotatably arranged on support, transmission assembly, the sealed cavity is formed between the support and the cover shell, the transmission assembly is arranged in the sealed cavity, the transmission assembly includes transmission shaft being rotatably arranged in support and being linked with lever, sector gear being linked on transmission shaft, mechanism frame being arranged in cover shell, main shaft being rotatably arranged on mechanism frame, bevel gear being linked on main shaft and being meshed with sector gear, positioning assembly being arranged on mechanism frame and being matched with main shaft, a plurality of micro switches being arranged on mechanism frame and being matched with main shaft, the cam being matched with a plurality of micro switches is arranged on the main shaft, the cam is triggered a plurality of micro switches with main shaft action, and the switching on or off of a plurality of micro switches is realized.

[0005] The beneficial effects of the above structure are that the micro switch and the transmission assembly are arranged in the sealed cavity, so that the micro switch and the transmission assembly are not exposed outside the support, the protection performance is better, and the use requirements of the ship can be met. The transmission assembly adopts a gear transmission structure design, the structure design of the transmission assembly is simpler, the transmission is more reliable, and the operation is more convenient, so that the main order controller has the advantages of simple structure, stable and reliable performance, convenient assembly, long service life and high protection.

[0006] Particularly, the potentiometer is arranged on one end of the main shaft in linkage, and the cover is arranged on the mechanism frame to cover the potentiometer, so that the protection performance is better, and the working reliability of the master controller is improved.

[0007] Particularly, the positioning assembly comprises two positioning cams arranged on the main shaft in linkage, two positioning members arranged on the mechanism frame on two sides of the two positioning cams, and a positioning wheel rotatably arranged on the two positioning members, the positioning cam is provided with a positioning groove matched with the positioning wheel, one end of the two positioning members is rotatably arranged on the positioning shaft of the mechanism frame, the other end of the two positioning members is respectively provided with an arc-shaped positioning groove, the mechanism frame is provided with a limiting shaft inserted into the arc-shaped positioning groove, and the other end of the two positioning members is provided with a tension spring.

[0008] Particularly, the sealing ring is arranged between the support and the shell. The sealing ring can enhance the sealing performance between the support and the shell, so that the protection performance of the master controller is improved.

[0009] Particularly, the waterproof connector is arranged on the shell and communicated with the sealing cavity. The waterproof connector is arranged on the shell, so that the waterproof performance of the master controller is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is a perspective view of the utility model embodiment.

[0011] Fig. 2 It is a sectional view of the utility model embodiment.

[0012] Fig. 3 It is an exploded view of the utility model embodiment. DETAILED DESCRIPTION

[0013] As Figs. 1-3As shown in the utility model embodiment, the high-protection marine master controller comprises a support 10, a cover 11 arranged on the support 10, a control lever 12 rotatably arranged on the support 10, and a transmission assembly 20. A sealed cavity 100 is formed between the support 10 and the cover 11. The transmission assembly 20 is arranged in the sealed cavity 100. The transmission assembly 20 comprises a transmission shaft 21 rotatably arranged in the support 10 and linked with the control lever 12, a sector gear 22 linked with the transmission shaft 21, a mechanism frame 23 arranged in the cover 11, a main shaft 24 rotatably arranged on the mechanism frame 23, a bevel gear 25 linked with the main shaft 24 and engaged with the sector gear 22, a positioning assembly 26 arranged on the mechanism frame 23 and matched with the main shaft 24, and a plurality of micro switches 27 arranged on the mechanism frame 23 and matched with the main shaft 24. The main shaft 24 is provided with a cam 28 matched with the plurality of micro switches 27. The cam 28 moves with the main shaft 24 and triggers the plurality of micro switches 27, so that the plurality of micro switches 27 are turned on or turned off. The main shaft 24 is linked with a potentiometer 29 at one end. The mechanism frame 10 is provided with a cover 101 covering the potentiometer 29. The mechanism frame is provided with the cover covering the potentiometer, so that the protection performance is better, thereby improving the working reliability of the master controller.

[0014] As shown in the utility model embodiment, Fig. 2 、 3 The positioning assembly 26 comprises two positioning cams 261 linked with the main shaft 24, two positioning members 262 arranged on the mechanism frame 10 corresponding to the two sides of the positioning cams 261, and a positioning wheel 263 rotatably arranged on the two positioning members 262. The positioning cam 261 is provided with a positioning groove 2611 matched with the positioning wheel 263. One end of each of the two positioning members 262 is rotatably arranged on a positioning shaft 102 of the mechanism frame 10. The other end of each of the two positioning members 262 is provided with an arc-shaped positioning groove 2621. The mechanism frame 10 is provided with a limiting shaft 103 inserted into the arc-shaped positioning groove 2621. The other end of each of the two positioning members 262 is provided with a tension spring 264. The positioning assembly can play a positioning role, so that the main shaft can reliably move, thereby improving the working reliability of the master controller. The support 10 and the cover 11 are provided with a sealing ring 13. The sealing ring can enhance the sealing performance between the support and the cover, thereby improving the protection performance of the master controller. The cover 11 is provided with a waterproof connector 14 connected with the sealed cavity 100. The cover is provided with the waterproof connector, so that the waterproof performance of the master controller is improved.

[0015] The microswitch and the transmission assembly are arranged in the sealed cavity, so that the microswitch and the transmission assembly are prevented from being exposed outside the support, the protection performance is better, and the use requirements of the ship can be met. The transmission assembly adopts a gear transmission structure design, the structural design of the transmission assembly is simpler, transmission is more reliable, and operation is more convenient, so that the master controller has the advantages of simple structure, stable and reliable performance, convenient assembly, long service life and high protection.

Claims

1. A highly protected marine master controller, characterized in that: The device includes a support, a housing mounted on the support, a control lever rotatably mounted on the support, and a transmission assembly. A sealed cavity is formed between the support and the housing. The transmission assembly is disposed within the sealed cavity. The transmission assembly includes a drive shaft rotatably mounted within the support and linked with the control lever, a sector gear linked with the drive shaft, a frame disposed within the housing, a main shaft rotatably mounted on the frame, a bevel gear linked with the main shaft and meshing with the sector gear, a positioning assembly disposed on the frame and cooperating with the main shaft, and multiple microswitches disposed on the frame and cooperating with the main shaft. The main shaft is provided with cams that cooperate with the multiple microswitches. The cams move with the main shaft and trigger the multiple microswitches, thereby turning the multiple microswitches on or off.

2. The high-protection marine master controller according to claim 1, characterized in that: A potentiometer is linked to one end of the main shaft, and a cover is provided on the mechanism frame to cover the potentiometer.

3. The high-protection marine master controller according to claim 1 or 2, characterized in that: The positioning assembly includes two positioning cams linked on the main shaft, two positioning components on the mechanism frame corresponding to the two positioning cams, and positioning wheels rotatably mounted on the two positioning components. The positioning cams are provided with positioning grooves that cooperate with the positioning wheels. One end of each of the two positioning components is rotatably mounted on the positioning shaft of the mechanism frame, and the other end of each of the two positioning components is provided with an arc-shaped positioning groove. The mechanism frame is provided with a limiting shaft that passes through the arc-shaped positioning groove, and a tension spring is provided between the other ends of the two positioning components.

4. The high-protection marine master controller according to claim 1 or 2, characterized in that: A sealing ring is provided between the support and the cover.

5. The high-protection marine master controller according to claim 1 or 2, characterized in that: The cover is provided with a waterproof connector that communicates with the sealed cavity.