CN214956494U - Master controller - Google Patents
Master controller Download PDFInfo
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- CN214956494U CN214956494U CN202121541278.1U CN202121541278U CN214956494U CN 214956494 U CN214956494 U CN 214956494U CN 202121541278 U CN202121541278 U CN 202121541278U CN 214956494 U CN214956494 U CN 214956494U
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- handball
- base
- master controller
- spring
- lid
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Abstract
The utility model relates to a master controller, including mechanical framework, operating device, contact system, control rod, gum cover, one of control rod is served and is provided with handball subassembly, handball subassembly is including setting up handball base on the control rod, setting up handball lid, the spring of shroud on handball base in control rod one end, handball base and handball lid between be formed with the holding chamber, one of control rod serve and be provided with the position sleeve of extension in the holding intracavity, handball in be provided with position sleeve matched with location screw hole, and the one end of position sleeve is connected in the location screw hole, the position sleeve on the one end of corresponding spring be provided with the positioning disk, the one end of spring contradict on the positioning disk, the other end block of spring is in the constant head tank in the handball lid. The utility model has the advantages of simple structure, stable performance, reliability, convenient assembly and long service life.
Description
Technical Field
The utility model particularly relates to a master controller.
Background
A master controller (also called a master switch) is mainly used in an electric transmission device and is used for switching contacts on and off in a certain sequence to achieve the purposes of issuing commands or interlocking and converting other control circuits. The magnetic starter is suitable for frequently switching on and switching off a circuit, is often matched with a magnetic starter to carry out remote control on starting, braking, speed regulation and reversing of a wound asynchronous motor, and is widely applied to control systems of dragging motors of various hoisting machines. The master controller comprises a machine frame, an operating mechanism arranged in the machine frame, a contact system arranged in the machine frame and an operating lever arranged on the operating mechanism, the structural design of the operating lever of the existing master controller is unreasonable, a rubber sleeve on the operating lever is easy to separate, and a handball on the operating lever rotates habitually by a user to cause the phenomenon that the handball is locked and can not reset due to the distortion and deformation of a spring, so that the master controller has the defects of unreliable performance, complex structure and short service life.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, the assembly is convenient, long service life's master controller.
In order to achieve the above object, the present invention adopts a master controller, which comprises a machine frame, an operating mechanism arranged in the machine frame, a contact system arranged in the machine frame, an operating rod arranged on the operating mechanism, and a rubber sleeve wrapped on the operating rod, wherein one end of the operating rod is provided with a handball assembly, the handball assembly comprises a handball base arranged on the operating rod, a handball cover arranged on one end of the operating rod and covered on the handball base, and a spring, a containing cavity is formed between the handball base and the handball cover, one end of the operating rod is provided with a positioning sleeve extending in the containing cavity, the handball cover is provided with a positioning threaded hole matched with the positioning sleeve, one end of the positioning sleeve is connected in the positioning threaded hole, one end of the positioning sleeve corresponding to the spring is provided with a positioning plate, one end of the spring is abutted on the positioning plate, the other end of the spring is clamped in a positioning groove in the handball cover.
The structure has the advantages that the handball cover is connected on the positioning sleeve of the control lever in a threaded manner, the handball cover cannot be distorted and deformed due to habitual rotation of a user, the phenomenon that the handball cover is stuck and cannot reset can be avoided, and the handball base and the handball cover are connected on the control lever in a threaded manner, so that the handball base, the handball cover and the control lever can be assembled conveniently, the assembly is more convenient, and the master controller has the advantages of simple structure, stable and reliable performance, convenience in assembly and long service life.
In particular, a buffer gasket is arranged between the handball cover and the handball base. The buffer washer can play a buffer role, and can avoid the mutual friction between the handball base and the handball cover, thereby being beneficial to prolonging the service life of the master controller.
Particularly, the control rod is provided with a hexagonal bushing corresponding to the handball base, the handball base is provided with a threaded hole matched with the hexagonal bushing, and the hexagonal bushing is connected in the threaded hole and forms threaded connection matching of the hexagonal bushing and the handball base. The hexagonal bushing is arranged on the operating rod, so that the assembly of the handball base and the operating rod is facilitated, and the assembly efficiency of the master controller is improved.
Particularly, the framework on correspond the one end department of gum cover and be provided with the mounting panel, the lower terminal surface of mounting panel on be provided with gum cover matched with location ring channel, one of gum cover serve be provided with location ring channel matched with location bulge loop, location bulge loop block just constitutes the joint cooperation of gum cover and mounting panel in the location ring channel. The positioning convex ring of the rubber sleeve is clamped in the positioning ring groove of the mounting plate, so that the connection between the rubber sleeve and the mounting plate is more compact, the rubber sleeve is not easy to separate, and the service life of the master controller is prolonged.
Particularly, a plurality of arc-shaped grooves are respectively arranged on the peripheral wall of the handball cover. The arc-shaped groove can play a role in increasing friction, so that the hand feeling of the handball assembly can be improved.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1 and 2, an embodiment of the present invention is a master controller, including a machine frame 10, an operating mechanism 11 disposed in the machine frame 10, a contact system 12 disposed in the machine frame 10, an operating rod 13 disposed on the operating mechanism 11, and a rubber sleeve 14 wrapped on the operating rod 13, wherein a handball assembly 20 is disposed at one end of the operating rod 13, the handball assembly 20 includes a handball base 21 disposed on the operating rod 13, a handball cover 22 disposed at one end of the operating rod 13 and covering the handball base 21, and a spring 23, a receiving cavity 200 is formed between the handball base 21 and the handball cover 22, a positioning sleeve 24 extending in the receiving cavity 200 is disposed at one end of the operating rod 13, a positioning threaded hole 221 matched with the positioning sleeve 24 is disposed in the handball cover 22, and one end of the positioning sleeve 24 is connected in the positioning threaded hole 221, the positioning sleeve 24 is provided with a positioning disc 241 corresponding to one end of the spring 23, one end of the spring 23 is abutted against the positioning disc 241, and the other end of the spring 23 is clamped in the positioning groove 222 in the handball cover 22.
As shown in fig. 2, a buffer washer 201 is disposed between the handball cover 22 and the handball base 21. The buffer washer can play a buffer role, and can avoid the mutual friction between the handball base and the handball cover, thereby being beneficial to prolonging the service life of the master controller. The operating rod 13 on correspond handball base 21 department and be provided with hexagonal bush 25, handball base 21 on be provided with hexagonal bush 25 matched with screw hole 211, hexagonal bush 25 connects in screw hole 211, and constitutes hexagonal bush 25 and handball base 21's threaded connection cooperation. The hexagonal bushing is arranged on the operating rod, so that the assembly of the handball base and the operating rod is facilitated, and the assembly efficiency of the master controller is improved. Mechanism frame 10 on correspond the one end department of gum cover 14 and be provided with mounting panel 15, mounting panel 15 the lower terminal surface on be provided with gum cover 14 matched with location annular groove 151, gum cover 14 serve be provided with location annular groove 151 matched with location bulge loop 141, location bulge loop 141 block is in location annular groove 151, and constitutes the joint cooperation of gum cover 14 and mounting panel 15. The positioning convex ring of the rubber sleeve is clamped in the positioning ring groove of the mounting plate, so that the connection between the rubber sleeve and the mounting plate is more compact, the rubber sleeve is not easy to separate, and the service life of the master controller is prolonged. The outer peripheral wall of the handball cover 22 is respectively provided with a plurality of arc-shaped grooves 223. The arc-shaped groove can play a role in increasing friction, so that the hand feeling of the handball assembly can be improved.
Handball lid threaded connection sheathes in the location of control rod, the handball lid can not lead to spring distortion because of user's habitual rotation, can avoid the condition that the handball lid card is dead and can't reset to take place, and handball base, handball lid threaded connection is on the control rod to be convenient for handball base, handball lid and the assembly of control rod, the assembly is more convenient, thereby this master controller has simple structure, the stable performance is reliable, the assembly is convenient, long service life's advantage.
Claims (5)
1. The utility model provides a master controller, includes the framework, sets up operating device in the framework, sets up the contact system in the framework, sets up the control rod on operating device, wraps up the gum cover on the control rod which characterized in that: one of control lever serve and be provided with the handball subassembly, the handball subassembly including set up handball base on the control lever, set up handball lid, the spring of operating lever one end and shroud on the handball base, handball base and handball lid between be formed with the holding chamber, one of control lever serve and be provided with the position sleeve that extends at the holding intracavity, the handball lid in be provided with position sleeve matched with location screw hole, and the one end of position sleeve is connected in location screw hole, the position sleeve on the one end that corresponds the spring be provided with the positioning disk, the one end of spring contradict on the positioning disk, the other end block of spring is in the constant head tank in the handball lid.
2. The master controller of claim 1, wherein: a buffer gasket is arranged between the handball cover and the handball base.
3. The master controller according to claim 1 or 2, wherein: the control rod on correspond handball base department and be provided with the hexagonal bush, handball base on be provided with hexagonal bush matched with screw hole, the hexagonal bush is connected in the screw hole, and constitutes the threaded connection cooperation of hexagonal bush and handball base.
4. The master controller according to claim 1 or 2, wherein: the framework on correspond the one end department of gum cover and be provided with the mounting panel, the lower terminal surface of mounting panel on be provided with gum cover matched with holding ring groove, one of gum cover serve be provided with holding ring groove matched with location bulge loop, location bulge loop block just constitutes the joint cooperation of gum cover and mounting panel in the location ring groove.
5. The master controller according to claim 1 or 2, wherein: the periphery wall of the handball cover is provided with a plurality of arc grooves respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541278.1U CN214956494U (en) | 2021-07-07 | 2021-07-07 | Master controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121541278.1U CN214956494U (en) | 2021-07-07 | 2021-07-07 | Master controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214956494U true CN214956494U (en) | 2021-11-30 |
Family
ID=79073411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121541278.1U Active CN214956494U (en) | 2021-07-07 | 2021-07-07 | Master controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214956494U (en) |
-
2021
- 2021-07-07 CN CN202121541278.1U patent/CN214956494U/en active Active
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