CN215680432U - General type auxiliary switch - Google Patents

Abstract

The utility model discloses a universal auxiliary switch, which comprises a circuit mounting seat, a circuit fixing mechanism and an adjusting electrifying mechanism, wherein the circuit mounting seat comprises a mounting bottom plate and a transparent cover, supporting tables are symmetrically arranged at two ends of the mounting bottom plate, isolating plates and mounting grooves are symmetrically arranged on the top surface of the mounting bottom plate, the isolating plates and the mounting grooves are alternately arranged, the circuit fixing mechanism is arranged at the top of the mounting bottom plate and comprises a fixing plate and a fastening screw, the device can independently judge whether the screws of the same group are screwed in place in the whole auxiliary switch, if one screw of the same group is not screwed in place, the group cannot conduct electricity, the operation of other conductors is not influenced, a worker is helped to check whether the conductors are firmly connected to the greatest extent, the heating phenomenon caused by uneven contact of the conductors at two ends is prevented, and the possibility that the auxiliary switch is burnt is reduced, the life of the switch is prolonged while the safety is higher.

Description

General type auxiliary switch

Technical Field

The utility model belongs to the technical field of auxiliary switches, and particularly relates to a universal auxiliary switch.

Background

The auxiliary switch is a part of the main switch, is configured in the power equipment such as a high-voltage or medium-voltage circuit breaker, an isolating switch and the like as the switching-off, switching-on, signal control and interlocking protection functions of a secondary control loop, can also be used as a combined switch and a change-over switch, the name of the auxiliary switch is internally provided with two characters of 'auxiliary', because the auxiliary switch is not an independent switch, the auxiliary switch is a carrier for realizing auxiliary breaking, switching-on and interlocking functions in an operation system, the auxiliary switch is widely used in an operation mechanism of the electrical equipment such as the circuit breaker, the isolating disconnecting switch and the like, the auxiliary switch is a low-voltage switch device which is most commonly used in the mechanism and monitors the position states of the circuit breaker and the isolating switch in real time, the auxiliary switch is mainly used for the control and linkage of the circuit breaker or the isolating switch or for signal acquisition of intelligent equipment, and has an extremely important function, and the auxiliary switch is generally formed by a rotating shaft module, Constitute such as contact switch module, the pivot of circuit breaker switch or switch-knife switch is connected to pivot module one end, rotate with the pivot synchronization who connects circuit breaker switch or switch-knife switch, the switching of contact in the other end control contact switch module of pivot module, auxiliary switch commonly used at present designs into many line connections mostly, be connected through screw and wire, then controlling means's a plurality of contacts are circular telegram simultaneously or cut off the power supply, but because the screw that many needs closed soon on an auxiliary switch, cause the hourglass to twist up the phenomenon very easily, when a set of supporting screw, have one and not screw up, in the use because the electric current is too big, the conductor area of contact at switch both ends is different, cause the one end that the contact surface connects little to generate heat easily, then bring latent danger to whole auxiliary switch.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a universal auxiliary switch to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a general auxiliary switch comprises a circuit mounting seat, a circuit fixing mechanism and an adjusting power-on mechanism, wherein the circuit mounting seat comprises a mounting bottom plate and a transparent cover, supporting tables are symmetrically arranged at two ends of the mounting bottom plate, partition plates and mounting grooves are symmetrically arranged on the surface of the top of the mounting bottom plate, the partition plates and the mounting grooves are alternately arranged, the circuit fixing mechanism is mounted at the top of the mounting bottom plate and comprises a fixing plate and fastening screws, the fixing plate is mounted on the surface of the mounting groove through the fastening screws, the fastening screws penetrate through the fixing plate, a movable inner cavity is formed in the mounting bottom plate, a boss fulcrum is arranged on the surface of the bottom of the movable inner cavity, a balance plate is mounted at the top of the boss fulcrum through a bearing, two ends of the balance plate are symmetrically contacted with the bottom of the fastening screws, and a connecting arc table is arranged on the surface of the top of the balance plate, the linkage rod is installed through round pin axle on the connection arc platform surface, the gag lever post is installed through round pin axle to the one end that the linkage rod deviates from the connection arc platform, two install adjustment energizing mechanism between the brace table, adjustment energizing mechanism includes casing and vice return spring, mounting plate's top surface is arranged in to the casing, the movable hole has been seted up to casing bilateral symmetry.

Preferably, the adjusting rod is installed through the bearing in the casing inside, a supporting bench is run through to casing one end, the even cover in adjusting rod surface is equipped with the sleeve, the inside limiting plate that evenly is provided with of casing, the adjusting rod runs through the limiting plate, sleeve bilateral symmetry is provided with conducting rod B, conducting rod B runs through the activity hole, conducting rod B deviates from telescopic one end surface and is provided with contact B.

Preferably, the even cover of vice return spring is established on the adjusting lever surface, vice return spring one end and sleeve contact, just the contact of vice return spring other end and limiting plate, the inside slidable mounting of adjusting lever has the main shaft, the hole of stirring has evenly been seted up on the adjusting lever surface, the main shaft surface evenly is provided with the driving lever, the driving lever runs through the hole of stirring, one side and the driving lever contact that the sleeve deviates from vice return spring, the one end and the sleeve contact that the gag lever post deviates from the gangbar.

Preferably, a conductive rod a is arranged on one end face, close to the shell, of the fixing piece, a contact head a is arranged at the top of the conductive rod a, and the contact head a is in contact with the contact head B.

Preferably, a mounting hole is formed in the supporting table, a main return spring is mounted in the mounting hole, and one end of the main return spring is in contact with the end of the adjusting rod.

Preferably, a connecting rod is slidably mounted inside the supporting table, and a key is arranged at the top of the connecting rod.

Preferably, a limiting hole is formed in the surface of one end, close to the main return spring, of the adjusting rod, a limiting part is slidably mounted inside the limiting hole, a buffer spring is mounted inside the limiting hole, one end of the limiting part is in contact with the buffer spring, and the other end of the limiting part is in contact with the connecting rod.

Preferably, the supporting table top is evenly provided with installation threaded holes, the two ends of the transparent cover are evenly screwed with connecting bolts, and the transparent cover is installed on the supporting table top through screwing of the connecting bolts.

Compared with the prior art, the utility model has the beneficial effects that: this device can judge alone in whole auxiliary switch whether the same group screw closes in place soon, if one fails to close in place soon in the same group, can't electrically conduct between this group, and do not influence the function of other conductors, maximum help staff examines whether the wire is connected firmly, prevent to lead to the phenomenon of generating heat because of both ends conductor contact is inhomogeneous, reduce the possibility that auxiliary switch is burnt out, the life-span of the higher while of security improves the switch, this device is provided with a key outage button, can all break off with all contacts on the whole device in the fastest mode when needing, in order to prevent unexpected emergence, for improving the security, the device top is equipped with transparent protection casing, when protecting the device, can be through observing inside operating condition, carry out real time monitoring to it.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the transparent cover of the present invention;

FIG. 3 is a longitudinal main sectional view of the present invention;

FIG. 4 is a longitudinal left sectional view of the present invention;

FIG. 5 is an enlarged view of area A of FIG. 2 according to the present invention;

FIG. 6 is an enlarged view of area B of FIG. 2 according to the present invention.

In the figure: 1. a circuit mounting base; 101. mounting a bottom plate; 102. a support table; 103. installing a threaded hole; 104. a separator plate; 105. mounting grooves; 106. a transparent cover; 107. a connecting bolt; 108. a movable inner cavity; 109. pressing a key; 110. a connecting rod; 111. mounting holes; 2. a circuit fixing mechanism; 201. a fixing sheet; 202. a conductive rod A; 203. a contact A; 204. fastening screws; 205. a boss fulcrum; 206. a balance plate; 207. connecting the arc table; 208. a linkage rod; 209. a limiting rod; 3. adjusting the energizing mechanism; 301. a housing; 302. a movable hole; 303. a main shaft; 304. an adjusting lever; 305. a sleeve; 306. a conductive rod B; 307. a contact B; 308. a limiting plate; 309. an auxiliary return spring; 310. a main return spring; 311. a limiting hole; 312. a limiting member; 313. a buffer spring; 314. a deflector rod; 315. and (6) poking the hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-6, the present invention provides the following technical solutions: a universal auxiliary switch comprises a circuit mounting seat 1, a circuit fixing mechanism 2 and an adjusting electrifying mechanism 3, wherein the circuit mounting seat 1 comprises a mounting bottom plate 101 and a transparent cover 106, supporting platforms 102 are symmetrically arranged at two ends of the mounting bottom plate 101, isolation plates 104 and mounting grooves 105 are symmetrically arranged on the top surface of the mounting bottom plate 101, the isolation plates 104 and the mounting grooves 105 are alternately arranged, the circuit fixing mechanism 2 is mounted at the top of the mounting bottom plate 101, the circuit fixing mechanism 2 comprises a fixing plate 201 and fastening screws 204, the fixing plate 201 is mounted on the surface of the mounting groove 105 through the fastening screws 204, the fastening screws 204 penetrate through the fixing plate 201, a movable inner cavity 108 is formed in the mounting bottom plate 101, a boss supporting point 205 is arranged on the bottom surface of the movable inner cavity 108, a balance plate 206 is mounted at the top of the boss supporting point 205 through a bearing, two ends of the balance plate 206 are symmetrically contacted with the bottoms of the fastening screws 204, and a connecting arc table 207 is arranged on the top surface of the balance plate 206, the linkage rod 208 is installed on the surface of the connecting arc table 207 through a pin shaft, the limiting rod 209 is installed at one end, deviating from the connecting arc table 207, of the linkage rod 208 through a pin shaft, the adjusting power-on mechanism 3 is installed between the two supporting tables 102, the adjusting power-on mechanism 3 comprises a shell 301 and an auxiliary return spring 309, the shell 301 is arranged on the top surface of the mounting base plate 101, and the movable holes 302 are symmetrically formed in two sides of the shell 301.

In order to move the sleeve 305 by moving the adjusting rod 304, and then power on or power off of the control device, in this embodiment, preferably, the adjusting rod 304 is installed inside the casing 301 through a bearing, the supporting table 102 is penetrated through one end of the casing 301, the sleeve 305 is uniformly sleeved on the surface of the adjusting rod 304, the limiting plate 308 is uniformly arranged inside the casing 301, the limiting plate 308 is penetrated through the adjusting rod 304, the conductive rods B306 are symmetrically arranged on two sides of the sleeve 305, the conductive rods B306 penetrate through the movable hole 302, and the contact head B307 is arranged on the surface of one end, deviating from the sleeve 305, of the conductive rod B306.

In order to ensure that when one of the fastening screws 204 on the two sides is not screwed in place, the sleeve 305 is not limited and can return to the original position, and the power on and off of the conductors in the same group are performed, in this embodiment, preferably, the auxiliary return spring 309 is uniformly sleeved on the surface of the adjusting rod 304, one end of the auxiliary return spring 309 is in contact with the sleeve 305, the other end of the auxiliary return spring 309 is in contact with the limiting plate 308, the main shaft 303 is slidably mounted inside the adjusting rod 304, toggle holes 315 are uniformly formed in the surface of the adjusting rod 304, the deflector rod 314 is uniformly arranged on the surface of the main shaft 303, the deflector rod 314 penetrates through the toggle holes 315, one side of the sleeve 305 departing from the auxiliary return spring 309 is in contact with the deflector rod 314, and one end of the limiting rod 209 departing from the linkage rod 208 is in contact with the sleeve 305.

In order to make the device more smooth when the device is powered on or off, in the embodiment, it is preferable that one end surface of the fixing piece 201 close to the housing 301 is provided with a conductive rod a202, the top of the conductive rod a202 is provided with a contact a203, and the contact a203 is in contact with a contact B307.

In order to ensure that the adjusting rod 304 is limited and cannot return when the inside of the device is powered on, in this embodiment, it is preferable that the support platform 102 has an installation hole 111 therein, a main return spring 310 is installed inside the installation hole 111, and one end of the main return spring 310 contacts with the end of the adjusting rod 304.

In order to realize the fast power-off by pressing the key 109, in the embodiment, preferably, the connecting rod 110 is slidably installed inside the supporting platform 102, the key 109 is disposed at the top of the connecting rod 110, a limiting hole 311 is formed on a surface of one end of the adjusting rod 304 close to the main return spring 310, a limiting member 312 is slidably installed inside the limiting hole 311, a buffer spring 313 is installed inside the limiting hole 311, one end of the limiting member 312 contacts with the buffer spring 313, and the other end of the limiting member 312 contacts with the connecting rod 110.

In order to ensure the internal mechanism of the device and observe the internal working state through the outside in real time, in this embodiment, preferably, the top of the supporting platform 102 is uniformly provided with mounting threaded holes 103, two ends of the transparent cover 106 are uniformly screwed with connection bolts 107, and the transparent cover 106 is mounted on the top of the supporting platform 102 through the screwing of the connection bolts 107.

The working principle and the using process of the utility model are as follows: after the utility model is installed, firstly, the installation fixing and the safety protection of the utility model are checked, then the utility model can be used, firstly, the installation bottom plate 101 is fixed through a bolt, then a conducting wire is wound on the fixing piece 201 according to requirements, then the adjusting rod 304 is pushed inwards while the main shaft 303 is pressed, when the adjusting rod 304 moves inwards, the main shaft 303 synchronously moves inwards, the deflector rod 314 can be driven to move in the toggle hole 315, then the multiple groups of sleeves 305 are driven to slide inwards, when the sleeves 305 slide towards one side of the movement, the auxiliary return springs 309 can be pressed, because the other side of the auxiliary return springs 309 acts on the limiting plate 308, the auxiliary return springs 309 accumulate force, when the whole adjusting rod 304 moves inwards, the main return springs 310 at the end parts of the adjusting rod can be pressed, and when the adjusting rod 304 moves to a fixed position, the limiting pieces 312 can be extruded and limited due to the action of the buffer springs 313, at this time, even if the adjusting rod 304 is loosened, the adjusting rod 304 cannot return, but if the main shaft 303 is loosened, the sleeve 305 is not stressed any more, due to the action of the secondary return spring 309, the sleeve 305 can return, at this time, the fastening screws 204 at the two ends are respectively rotated to clamp the lead, when the fastening screws 204 at the two ends are rotated to the positions, the balance plate 206 takes the boss fulcrum 205 as a fulcrum and takes the balance plate 206 as a lever, at this time, the balance plate 206 is in a horizontal state, the limiting rod 209 can be in a vertical state through the matching of the connecting arc table 207 and the linkage rod 208, at this time, the end part of the limiting rod 209 is really in contact with one side of the sleeve 305 and limits the sleeve, if one end of the fastening screws 204 at the two ends is not screwed in place, the balance plate 206 is supposed to deflect, at this time, the linkage rod 208 is slightly pulled downwards through the connecting arc table 207, and then the limiting rod 209 is pulled downwards, so that the sleeve 305 cannot be limited, when all the fastening screws 204 are screwed in place, a plurality of groups of sleeves 305 are limited, because the conductive rods B306 are symmetrically arranged on the surfaces of the sleeves 305, and the conductive rods B306 pass through the movable holes 302, when the sleeves 305 move in place and are limited, the contact heads B307 are just in contact with the contact heads A203 and are mutually conductive, as long as the fastening screws 204 are all screwed in place, even if the main shaft 303 is loosened, the contact between the contact heads B307 and the contact heads A203 cannot be influenced, when the uniform power failure is required, the key 109 is pressed down to drive the connecting rod 110 to move downwards, the limiting pieces 312 can be pushed into the limiting holes 311, when the adjusting rod 304 is not limited by the limiting pieces 312, due to the rebound of the main return spring 310, the adjusting rod 304 can be returned, so that the whole device is powered off, in order to ensure the safety direction when the device is powered on and practical, after the device is powered on, the transparent cover 106 can be fixed above the device through the matching of the connecting bolt 107 and the mounting threaded hole 103, has the protection function.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (8)

1. The utility model provides a general type auxiliary switch, includes circuit mount pad (1), circuit fixed establishment (2) and adjustment circular telegram mechanism (3), its characterized in that: the circuit mounting seat (1) comprises a mounting base plate (101) and a transparent cover (106), supporting tables (102) are symmetrically arranged at two ends of the mounting base plate (101), a partition plate (104) and a mounting groove (105) are symmetrically arranged on the top surface of the mounting base plate (101), the partition plate (104) and the mounting groove (105) are alternately arranged, a circuit fixing mechanism (2) is arranged at the top of the mounting base plate (101), the circuit fixing mechanism (2) comprises a fixing plate (201) and a fastening screw (204), the fixing plate (201) is arranged on the surface of the mounting groove (105) through the fastening screw (204), the fastening screw (204) penetrates through the fixing plate (201), a movable inner cavity (108) is formed inside the mounting base plate (101), a boss fulcrum (205) is arranged on the bottom surface of the movable inner cavity (108), and a balance plate (206) is arranged at the top of the boss (205) through a bearing, balance plate (206) both ends symmetry and fastening screw (204) bottom contact, balance plate (206) top surface is provided with connects arc platform (207), connect arc platform (207) surface and install gangbar (208) through the round pin axle, gangbar (208) deviate from the one end of connecting arc platform (207) and install gag lever post (209), two through the round pin axle install adjustment circular telegram mechanism (3) between brace table (102), adjustment circular telegram mechanism (3) are including casing (301) and vice return spring (309), the top surface of mounting plate (101) is arranged in to casing (301), movable hole (302) have been seted up to casing (301) bilateral symmetry.

2. A universal auxiliary switch as claimed in claim 1, wherein: adjusting rod (304) is installed through the bearing to casing (301) inside, support platform (102) is run through to casing (301) one end, the even cover in adjusting rod (304) surface is equipped with sleeve (305), casing (301) is inside evenly to be provided with limiting plate (308), limiting plate (308) is run through in adjusting rod (304), sleeve (305) bilateral symmetry is provided with conducting rod B (306), moving hole (302) is run through in conducting rod B (306), the one end surface that conducting rod B (306) deviates from sleeve (305) is provided with contact head B (307).

3. A universal auxiliary switch as claimed in claim 2, wherein: adjusting lever (304) surface is evenly established to vice return spring (309) cover, vice return spring (309) one end and sleeve (305) contact, just vice return spring (309) other end and limiting plate (308) contact, adjusting lever (304) inside slidable mounting has main shaft (303), stirring hole (315) have evenly been seted up on adjusting lever (304) surface, main shaft (303) surface evenly is provided with driving lever (314), driving lever (314) run through stirring hole (315), sleeve (305) deviate from one side and driving lever (314) contact of vice return spring (309), the one end and sleeve (305) contact that gag lever post (209) deviate from gangbar (208).

4. A universal auxiliary switch as claimed in claim 3, wherein: one end face, close to the shell (301), of the fixing piece (201) is provided with a conductive rod A (202), the top of the conductive rod A (202) is provided with a contact head A (203), and the contact head A (203) is in contact with a contact head B (307).

5. A universal auxiliary switch as claimed in claim 2, wherein: the supporting table (102) is internally provided with a mounting hole (111), a main return spring (310) is mounted in the mounting hole (111), and one end of the main return spring (310) is in contact with the end of the adjusting rod (304).

6. A universal auxiliary switch as claimed in claim 5, wherein: a connecting rod (110) is slidably mounted inside the supporting table (102), and a key (109) is arranged at the top of the connecting rod (110).

7. A universal auxiliary switch as claimed in claim 6, wherein: spacing hole (311) have been seted up on the one end surface that adjusting lever (304) are close to main return spring (310), spacing hole (311) inside slidable mounting has locating part (312), spacing hole (311) internally mounted has buffer spring (313), locating part (312) one end and buffer spring (313) contact, just locating part (312) other end and connecting rod (110) contact.

8. A universal auxiliary switch as claimed in claim 1, wherein: the top of the support platform (102) is uniformly provided with mounting threaded holes (103), two ends of the transparent cover (106) are uniformly screwed with connecting bolts (107), and the transparent cover (106) is mounted on the top of the support platform (102) through the screwing of the connecting bolts (107).

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