CN214477011U - Aerify cabinet three-station switch transmission structure - Google Patents
Aerify cabinet three-station switch transmission structure Download PDFInfo
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- CN214477011U CN214477011U CN202120634671.9U CN202120634671U CN214477011U CN 214477011 U CN214477011 U CN 214477011U CN 202120634671 U CN202120634671 U CN 202120634671U CN 214477011 U CN214477011 U CN 214477011U
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Abstract
The utility model relates to the technical field of electrical isolation switches, and provides a three-position switch transmission structure of an inflatable cabinet, which comprises a left mounting seat and a right mounting seat which are oppositely arranged; the utility model overcomes the defects of the prior art, and solves the problems that the traditional electric and spring mechanism can not realize the movement of three stations and two directions, and realizes the switching of 3 positions; the utility model drives the worm wheel to rotate by rotating the worm, drives the three-phase crank arm on the main shaft to do circular motion, and leads the isolation moving contact to be in idle connection with the isolation separating brake, in contact with the isolation static contact to be isolated and switched on, and in contact with the grounding static contact to be isolated and grounded; the main shaft is fixedly connected with the mounting seat through a bearing and does not influence the rotation of the main shaft; the utility model discloses utilize transmission fit between each structure, drive the isolation moving contact and solve the problem of keeping apart combined floodgate, separating brake and the nimble switching of ground connection position, reasonable in design, simple structure, the practicality is high.
Description
Technical Field
The utility model relates to an electrical apparatus isolator field, concretely relates to aerify three station switch transmission structures of cabinet.
Background
The three-station isolating switch integrates the functions of the isolating switch and the grounding switch into a whole, and 3 functions of connection, isolation and grounding are realized. Because the three-station isolating switch needs to move towards two directions, the switching of 3 positions is realized, and the traditional electric and spring mechanisms cannot realize the function.
Therefore, a three-position switch transmission structure of the inflatable cabinet is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a three-position switch transmission structure of an inflatable cabinet, which overcomes the defects of the prior art, and solves the problems that the prior three-position isolating switch needs to move towards two directions, so that the switching of 3 positions is realized, and the traditional electric and spring mechanisms can not realize the function; the utility model has the advantages that by arranging the worm, the worm wheel, the main shaft, the three-phase crank arm and the isolation moving contact, when the worm is rotated to push the worm wheel to rotate, the three-phase crank arm on the main shaft is driven to do circular motion, so that the isolation moving contact connected on the three-phase crank arm is in idle connection with the isolation separating brake, is in contact with the isolation static contact to isolate the switch-on and is in contact with the grounding static contact to isolate the grounding, and the switch-on, grounding and switch-off functions are realized; the main shaft is connected to the mounting seat through a bearing and a bearing fixing plate, and the main shaft can be fixedly connected to the mounting seat and does not influence the rotation of the main shaft; the worm wheel and the three-phase crank arm are connected with the main shaft through splines, so that the contact surface of the worm wheel and the three-phase crank arm with the main shaft is increased, and larger torque can be transmitted; three groups of three-phase connecting levers are connected to the main shaft through three groups of splines, the three groups of three-phase connecting levers can respectively and independently work to control three groups of isolating moving contacts to carry out switching-on, grounding and switching-off work, and the working efficiency is high; through the arrangement of the sleeve, proper distances can be kept among the three-phase crank arms and between the three-phase crank arms and the worm wheel, so that the three-phase crank arms among the three stations are prevented from approaching each other after working for a period of time to influence respective independent work; the utility model discloses utilize transmission fit between each structure, drive the problem of keeping apart moving contact in the nimble switching of isolation, separating brake and ground connection position, reasonable in design, simple structure, the practicality is high.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a three-position switch transmission structure of an inflatable cabinet comprises a left mounting seat and a right mounting seat which are oppositely arranged;
a main shaft is arranged between the left mounting seat and the right mounting seat, a worm wheel and a three-phase crank arm are connected to the main shaft, and the worm wheel is connected to a worm in a meshing manner;
the three-phase crank arm is connected with an insulating pull rod, and the other end of the insulating pull rod is connected with an isolating moving contact;
the isolation moving contact is installed at a wire outlet end of the gas-insulated switchgear circuit breaker, and when the main shaft rotates to drive the three-phase crank arm to do circular motion, the isolation moving contact and the isolation static contact are pushed by the insulation pull rod to be in idle connection, contact with the isolation static contact or contact with the grounding static contact respectively, so that the switching-on, grounding and switching-off functions are realized.
Preferably, all be provided with bearing and bearing fixed plate on left side mount pad and the right mount pad, the both ends of main shaft are passed through the bearing and are rotated the connection on the bearing fixed plate of left mount pad and right mount pad.
Preferably, the worm wheel, the three-phase crank arm and the main shaft are provided with splines, and the worm wheel, the three-phase crank arm and the main shaft are connected through the splines.
Preferably, three-phase connecting levers are provided with three groups, and three-phase connecting levers of group connect gradually on the main shaft, and distribute in the both sides of worm wheel.
Preferably, sleeves are arranged between the three groups of three-phase crank arms and between the three-phase crank arms and the worm wheel, and the sleeves are sleeved on the main shaft.
Preferably, the connecting ends of the three-phase crank arm and the insulating pull rod are provided with through holes, and the three-phase crank arm and the insulating pull rod are sequentially inserted into the through holes through cylindrical pins to be connected.
(III) advantageous effects
The embodiment of the utility model provides an aerify three station switch transmission structures of cabinet. The method has the following beneficial effects:
1. by arranging the worm, the worm wheel, the main shaft, the three-phase crank arm and the isolating moving contact, when the worm is rotated to push the worm wheel to rotate, the three-phase crank arm on the main shaft is driven to do circular arc motion, so that the isolating moving contact connected with the three-phase crank arm is in idle connection with the isolating separating brake, is in contact with the isolating fixed contact for isolating switch-on and is in contact with the grounding fixed contact for isolating grounding, and the functions of switch-on, grounding and switch-off are realized;
2. the main shaft is connected to the mounting seat through a bearing and a bearing fixing plate, and the main shaft can be fixedly connected to the mounting seat and does not influence the rotation of the main shaft;
3. the worm wheel and the three-phase crank arm are connected with the main shaft through splines, so that the contact surface of the worm wheel and the three-phase crank arm with the main shaft is increased, and larger torque can be transmitted;
4. three groups of three-phase connecting levers are connected to the main shaft through three groups of splines, the three groups of three-phase connecting levers can respectively and independently work to control three groups of isolating moving contacts to carry out switching-on, grounding and switching-off work, and the working efficiency is high;
5. by arranging the sleeve, proper intervals can be kept among the three-phase crank arms and between the three-phase crank arms and the worm wheel, so that the three-phase crank arms among the three stations are prevented from approaching each other after working for a period of time, and the independent work of words is prevented from being influenced;
6. the utility model discloses utilize transmission fit between each structure, drive the isolation moving contact and keep apart, switch on and the problem of the nimble switching of ground connection position, reasonable in design, simple structure, the practicality is high.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a right side view of the present invention;
FIG. 4 is an inverted view of FIG. 3;
FIG. 5 is a working diagram of the present invention used in an inflatable cabinet;
in the figure: a left mounting base 1; a right mounting base 2; a main shaft 3; a worm wheel 4; a three-phase crank arm 5; a worm 6; an insulating pull rod 7; an isolated moving contact 8; a bearing 9; a bearing fixing plate 10; a sleeve 11; a cylindrical pin 12; a breaker outlet terminal 13; isolating the stationary contact 14; and a grounding static contact 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to the attached drawings 1-5, a three-position switch transmission structure of an inflatable cabinet comprises a left mounting seat 1 and a right mounting seat 2 which are oppositely arranged;
a main shaft 3 is arranged between the left mounting seat 1 and the right mounting seat 2, a worm wheel 4 and a three-phase crank arm 5 are connected to the main shaft 3, and the worm wheel 4 is connected to a worm 6 in a meshed manner;
the three-phase crank arm 5 is connected with an insulating pull rod 7, and the other end of the insulating pull rod 7 is connected with an isolating moving contact 8;
the isolation moving contact 8 is arranged at a wire outlet end of the gas-insulated switchgear breaker, when the main shaft 3 rotates to drive the three-phase crank arm 5 to do circular motion, the isolation moving contact 8 is pushed by the insulation pull rod 7 to be in idle connection, contact with the isolation static contact 14 or contact with the grounding static contact 15 respectively, and the functions of closing, grounding and opening are realized.
The utility model discloses for prior art, through setting up worm 6, worm wheel 4, main shaft 3, three-phase turning arm 5 and keep apart moving contact 8, when rotating worm 6 and promoting worm wheel 4 and rotate, drive three-phase turning arm 5 on the main shaft 3 and be circular motion, make the isolation moving contact 8 sky of connecting on the three-phase turning arm 5 connect the circuit breaker separating brake, with keep apart 14 contact breaker combined floodgates of static contact, with 15 contact breaker ground connection of ground connection static contact, realize combined floodgates, ground connection, separating brake function the utility model discloses utilize the transmission cooperation between each structure, drive the isolation moving contact 8 at the isolation, switch on and the nimble problem of switching of ground connection position, reasonable in design, simple structure, the practicality is high.
In this embodiment, all be provided with bearing 9 and bearing fixing plate 10 on left side mount pad 1 and the right mount pad 2, the both ends of main shaft 3 are passed through bearing 9 and are rotated and connect on the bearing fixing plate 10 of left mount pad 1 and right mount pad 2, and main shaft 3 fixed connection just does not influence main shaft 3 and rotates on the mount pad.
In this embodiment, all be provided with the spline on worm wheel 4 and three-phase turning arm 5 and the main shaft 3, worm wheel 4 and three-phase turning arm 5 pass through splined connection with main shaft 3, increase worm wheel 4 and three-phase turning arm 5 and main shaft 3 contact surface, can transmit great torque.
In the embodiment, three groups of three-phase crank arms 5 are arranged, and the three groups of three-phase crank arms 5 are sequentially connected to the main shaft 3 and distributed on two sides of the worm wheel 4; the three groups of three-phase connecting levers 5 can respectively and independently work to control the three groups of isolating moving contacts 8 to carry out switching-on, grounding and switching-off work, and the working efficiency is high.
In this embodiment, sleeves 11 are arranged between the three groups of three-phase crank arms 5 and between the three-phase crank arms 5 and the worm wheel 4, and the sleeves 11 are sleeved on the main shaft 3; suitable intervals can be kept between the three-phase crank arms 5 and the worm wheel 4, and the three-phase crank arms 5 between the three stations are prevented from being close to each other after working for a period of time to influence independent work.
In the embodiment, through holes are formed in the connecting ends of the three-phase crank arms 5 and the insulating pull rods 7, the three-phase crank arms and the insulating pull rods are sequentially inserted into the through holes through cylindrical pins 12 to be connected, and the cylindrical pins 12 are fixed in the through holes in an interference fit mode and are well stressed; and the manufacture is easy, and the cost is saved.
The utility model discloses a theory of operation:
when the worm 6 is rotated, the worm 6 pushes the worm wheel 4 to rotate; the worm wheel 4 and the three-phase crank arm 5 are fixedly connected with the main shaft 3 in a spline mode, so that the worm wheel 4 rotates and simultaneously drives the three-phase crank arm 5 on the main shaft 3 to rotate together, and one end of an insulating pull rod 7 connected with the three-phase crank arm 5 moves according to a certain radian; because one end of the isolated moving contact 8 is fixed at the wire outlet end of the circuit breaker 13, and the middle part of the isolated moving contact is connected with the three-phase crank arm 5 on the main shaft 3 through the insulating pull rod 7, the isolated moving contact 8 can swing at a certain angle when the main shaft 3 and the three-phase crank arm 5 on the shaft do circular arc motion, and the circuit breaker is in a switching-off state when the isolated moving contact 8 is in idle connection; when the isolation moving contact 8 is contacted with the isolation static contact 14, the circuit breaker is in a closing state; when the isolation moving contact 8 is contacted with the grounding fixed contact 15, the circuit breaker is in a grounding state; therefore, the three positions of isolation switch-on, switch-off and grounding switch-on are switched.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A three-position switch transmission structure of an inflatable cabinet comprises a left mounting seat and a right mounting seat which are oppositely arranged;
the method is characterized in that: a main shaft is arranged between the left mounting seat and the right mounting seat, a worm wheel and a three-phase crank arm are connected to the main shaft, and the worm wheel is connected to a worm in a meshing manner;
the three-phase crank arm is connected with an insulating pull rod, and the other end of the insulating pull rod is connected with an isolating moving contact;
the isolation moving contact is arranged at a wire outlet end of the gas-filled cabinet circuit breaker, and when the main shaft rotates to drive the three-phase crank arm to do circular motion, the isolation moving contact is pushed by the insulating pull rod to be in idle connection, contact with the isolation static contact or contact with the grounding static contact respectively, so that the switching-on, grounding and switching-off functions are realized.
2. The three-position switch transmission structure of the gas-filled cabinet as claimed in claim 1, wherein: all be provided with bearing and bearing fixed plate on left side mount pad and the right mount pad, the both ends of main shaft are passed through the bearing and are rotated the connection on the bearing fixed plate of left mount pad and right mount pad.
3. The three-position switch transmission structure of the gas-filled cabinet as claimed in claim 1, wherein: the worm wheel, the three-phase crank arm and the main shaft are all provided with splines, and the worm wheel, the three-phase crank arm and the main shaft are connected through the splines.
4. The three-position switch transmission structure of the inflatable cabinet as claimed in claim 3, wherein: the three-phase connecting levers are provided with three groups, and the three groups of three-phase connecting levers are sequentially connected to the main shaft and distributed on two sides of the worm wheel.
5. The three-position switch transmission structure of the inflatable cabinet as claimed in claim 4, wherein: sleeves are arranged between the three groups of three-phase crank arms and between the three-phase crank arms and the worm wheel, and the sleeves are sleeved on the main shaft.
6. The three-position switch transmission structure of the inflatable cabinet as claimed in claim 5, wherein: the connecting ends of the three-phase crank arm and the insulating pull rod are provided with through holes, and the three-phase crank arm and the insulating pull rod are sequentially inserted into the through holes through cylindrical pins to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120634671.9U CN214477011U (en) | 2021-03-29 | 2021-03-29 | Aerify cabinet three-station switch transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120634671.9U CN214477011U (en) | 2021-03-29 | 2021-03-29 | Aerify cabinet three-station switch transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214477011U true CN214477011U (en) | 2021-10-22 |
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ID=78175758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120634671.9U Active CN214477011U (en) | 2021-03-29 | 2021-03-29 | Aerify cabinet three-station switch transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214477011U (en) |
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2021
- 2021-03-29 CN CN202120634671.9U patent/CN214477011U/en active Active
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