CN219759492U - External wiring structure of rotary isolating switch - Google Patents
External wiring structure of rotary isolating switch Download PDFInfo
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- CN219759492U CN219759492U CN202320725358.5U CN202320725358U CN219759492U CN 219759492 U CN219759492 U CN 219759492U CN 202320725358 U CN202320725358 U CN 202320725358U CN 219759492 U CN219759492 U CN 219759492U
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model belongs to the technical field of rotary isolating switches, and particularly relates to an external wiring structure of a rotary isolating switch, which comprises a knob and a plurality of switch units, wherein each switch unit comprises a unit shell, a moving contact, a first fixed contact and a second fixed contact, wherein the moving contact and the first fixed contact are arranged in the unit shell, the wiring surfaces of the first fixed contact and the second fixed contact are used for wiring, the arrangement direction of the wiring surfaces of the first fixed contact and the second fixed contact directly determines the wiring direction of the switch unit.
Description
Technical Field
The utility model belongs to the technical field of rotary isolating switches, and particularly relates to an external wiring structure of a rotary isolating switch.
Background
The rotary switch is provided with a knob and a plurality of switch units, the knob and the switch units are coaxially arranged and are stacked along one direction, each switch unit comprises a group of moving contact assemblies and two fixed contacts, a certain distance is reserved between the two fixed contacts, the moving contact assemblies are arranged between the two fixed contacts, the moving contact is rotated through the rotary knob so as to enable the two fixed contacts to be conducted/disconnected, and the two fixed contacts extend out of the shell to form two connecting terminals for wiring.
At present, the wiring structure of the rotary switch in the prior art is a rotary switch with a more disordered wire arrangement direction after wiring, as disclosed in patent CN201620624888.0, and the housing is provided with an inclined upward wire outlet (i.e. extending towards the knob direction, i.e. the arrangement direction of the operation panel), as disclosed in patent CN202220026419.4, and the housing is provided with a wire outlet along the horizontal direction after wiring, as disclosed in patent CN201721303314.4, and the housing is provided with an inclined wire outlet along the horizontal direction after the structure. When the switch quantity is great, all can present the messy condition behind the foretell structure wiring, be inconvenient for follow-up maintenance work.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings in the prior art and provides an external wiring structure of a rotary isolating switch.
The technical scheme adopted by the utility model is as follows: an external wiring structure of a rotary isolating switch comprises a knob and a plurality of switch units,
the switch unit comprises a unit shell, a moving contact, a first fixed contact and a second fixed contact, wherein the moving contact, the first fixed contact and the second fixed contact are arranged in the unit shell, the moving contact can rotate relative to the unit shell, the first fixed contact and the second fixed contact are fixed relative to the unit shell and are respectively arranged on two sides of the moving contact, and a first wiring concave cavity and a second wiring concave cavity are distributed in the outer region of the unit shell; the first fixed contact is provided with a first contact end which is positioned in the unit shell and matched with the movable contact, and a first wiring end which is positioned in the first wiring concave cavity; the second fixed contact is provided with a second contact end which is positioned in the unit shell and matched with the movable contact, and a second wiring end which is positioned in the second wiring concave cavity;
the knob is used for driving the moving contact to rotate between the first fixed contact and the second fixed contact to realize the connection/disconnection between the first fixed contact and the second fixed contact;
the central shaft of the movable contact of the switch unit is arranged along a first direction;
the knob central shaft is arranged along a second direction perpendicular to the first direction;
the outer surface of the first wiring terminal is provided with a wiring surface which is inclined relative to the second direction and forms an acute angle alpha with the second direction, and the inner end of the first wiring terminal, which is close to the central axis of the movable contact of the switch unit, is relatively far away from the outer end of the central axis of the movable contact of the switch unit, and is close to the knob;
the outer surface of the second wiring terminal is provided with a wiring surface which is inclined relative to the second direction and forms an acute angle beta with the second direction, and the inner end of the second contact end, which is close to the central axis of the movable contact of the switch unit, is relatively far away from the outer end of the central axis of the movable contact of the switch unit, and is close to the knob.
The alpha is 30-60 deg., and/or the beta is 30-60 deg..
The surface of the wiring surface of the outer surface of the first wiring terminal is parallel to or overlapped with the central axis of the movable contact;
and/or the surface of the wiring surface of the outer surface of the second wiring terminal is parallel or overlapped with the central axis of the movable contact.
The movable contact comprises at least two switch units, wherein the at least two switch units are arranged in a stacked mode along a first direction and are coaxially arranged on a central shaft of a movable contact, a first wiring concave cavity and a second wiring concave cavity are respectively located on two opposite side faces of a unit shell, and the side face of each switch unit where the first wiring concave cavity is located on the same surface as the side face of the adjacent switch unit where the second wiring concave cavity is located along the first direction.
Also included is a method of manufacturing a semiconductor device,
the free tripping mechanism comprises a tripping piece and a connecting rod structure, and the knob drives the moving contact and the fixed contact to be switched on or off through the transmission of the connecting rod structure; the movable contact and the fixed contact in the closing state can be separated by the jump fastener; the connecting rod structure comprises an arc motion input end and an arc motion output end, a first transmission mechanism is arranged between the rotary motion output end of the knob and the arc motion input end, and a second transmission mechanism is connected between the arc motion output end and the rotary motion input end of the switch unit.
The switch unit group comprises two switch unit groups formed by at least two switch units which are stacked along a first direction, the central axes of the moving contacts of the two switch unit groups are arranged in parallel at a certain distance, and the two switch unit groups are sequentially arranged along a second direction.
The first wiring concave cavity and the second wiring concave cavity are respectively positioned on two opposite side surfaces of the unit shell, and the side surface of the first wiring concave cavity of each switch unit is positioned on the same surface as the side surface of the first wiring concave cavity of the adjacent switch unit along the second direction.
The side surface of the first wiring concave cavity of each switch unit is positioned on the same surface with the side surface of the second wiring concave cavity of the switch unit adjacent to the first direction.
Also included is a method of manufacturing a semiconductor device,
the free tripping mechanism comprises a tripping piece and a connecting rod structure, and the knob drives the moving contact and the fixed contact to be switched on or off through the transmission of the connecting rod structure; the movable contact and the fixed contact in the closing state can be separated by the jump fastener; the connecting rod structure comprises an arc motion input end and an arc motion output end, a first transmission mechanism is arranged between the rotary motion output end of the knob and the arc motion input end, and a second transmission mechanism is connected between the arc motion output end and the rotary motion input end of the switch unit;
the second transmission mechanism is provided with a first transmission wheel and a second transmission wheel which are respectively coaxially arranged with the rotation central shafts of the movable contacts of the two switch unit groups and are in circumferential linkage fit, a certain distance is reserved between the first transmission wheel and the second transmission wheel, the second transmission mechanism is provided with a synchronous output wheel arranged between the first transmission wheel and the second transmission wheel, a connecting rod is arranged between the arc motion output end and the synchronous output wheel to enable the arc motion of the arc motion output end to be converted into the rotation motion of the synchronous output wheel, and a transmission structure is arranged between the synchronous output wheel and the first transmission wheel and the second transmission wheel to enable the rotation motion of the synchronous output wheel to be converted into the synchronous rotation of the first transmission wheel and the second transmission wheel;
the upper end and the lower end of the first driving wheel along the extending direction of the rotating central shaft of the moving contact are respectively provided with two rotating motion output ends, the switch unit components matched with the first driving wheel are two groups of third switch unit components respectively positioned at the upper side and the lower side of the first driving wheel along the extending direction of the rotating central shaft of the moving contact, and the rotating central shafts of the two groups of third switch unit components respectively form linkage fit with the two rotating motion output ends of the first driving wheel;
the upper end and the lower end of the second driving wheel along the extending direction of the rotating central shaft of the moving contact are respectively provided with two rotating motion output ends, the switch unit components matched with the second driving wheel are two groups of fourth switch unit groups respectively positioned at the upper side and the lower side of the second driving wheel along the extending direction of the rotating central shaft of the moving contact, and the rotating central shafts of the two groups of fourth switch unit groups respectively form linkage fit with the two rotating motion output ends of the second driving wheel.
A first connecting part is arranged between the first contact end and the first wiring end; a second connection part is arranged between the second contact end and the second wiring end; the first contact end and the second contact end are symmetrically arranged relative to the central axis of the movable contact;
a limiting structure for limiting the first connecting part and the second connecting part is arranged on the unit shell;
the bottom of the first connecting terminal connected with the first connecting part forms an obtuse angle with the first connecting part;
the bottom that the second wiring end is connected with second linking portion forms the acute angle with first linking portion.
The beneficial effects of the utility model are as follows: the wiring surface is used for wiring, the arrangement direction of the wiring surface directly determines the incoming line direction of the switch unit, and because the two wiring surfaces of the switch unit are both inclined relative to the direction of the central axis of the knob and the inner ends of the wiring surfaces are close to the knob, after wiring, the wires connected on the shell are outgoing in the direction away from the knob, and because the central axis of the knob is perpendicular to the central axis of the movable contact, the incoming line direction is perpendicular to the stacking direction of the switch unit, when the number of the switch units is large, the wires cannot be stacked together along the direction of the central axis of the movable contact, thereby facilitating subsequent overhaul and maintenance work.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
Fig. 1 is a schematic structural view of embodiment 1;
FIG. 2 is a schematic diagram of the wiring of example 1;
FIG. 3 is a schematic view of the internal transmission structure of embodiment 1;
fig. 4 is a schematic diagram showing the internal structure of the switch unit in embodiment 1;
fig. 5 is a schematic diagram of a first fixed contact and a second fixed contact mating structure (hidden moving contact) in embodiment 1;
FIG. 6 is a schematic diagram of a second transmission mechanism in embodiment 2;
in the figure, knob-1; a switching unit-2; a unit case-200; a first wiring cavity-201; a second wiring cavity-202; a moving contact-210; a central shaft-211 of the moving contact; a first stationary contact-221; a first contact end-2211; a first terminal-2212; first engagement-2213; a second stationary contact-222; a second contact terminal-2221; a second terminal-2222; second adapter-2223; a free tripping mechanism-3; a second transmission mechanism-4; a first drive wheel-401; a second drive wheel-402; synchronous output wheel-403; and a connecting rod-404.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.
The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.
Example 1:
as shown in fig. 1 to 4, an external wiring structure of a rotary isolating switch includes a knob 1 and two switch unit groups formed of at least two switch units stacked in a first direction L1,
as shown in fig. 4, the switch unit 2 includes a unit housing 200, a moving contact 210 disposed in the unit housing 200, a first fixed contact 221 and a second fixed contact 222, wherein the moving contact 210 is rotatable relative to the unit housing 200, the first fixed contact 221 and the second fixed contact 222 are fixed in position relative to the unit housing 200 and are disposed on two sides of the moving contact 210 respectively, and a first wiring cavity 201 and a second wiring cavity 202 are distributed in an outer region of the unit housing 200; the first stationary contact 221 has a first contact end 2211 located in the unit housing 200 and matched with the moving contact 210, and a first terminal end 2212 located in the first wiring cavity 201; the second stationary contact 222 has a second contact end 2221 located in the unit housing 200 to mate with the movable contact 210 and a second terminal end 2222 located in the second wire cavity 202;
the knob 1 is used for driving the movable contact 210 to rotate between the first fixed contact 221 and the second fixed contact 222 so as to realize the connection/disconnection between the first fixed contact 221 and the second fixed contact 222;
as shown in fig. 1, a central axis of the moving contact 210 of the switch unit is disposed along a first direction L1; the central shaft of the knob 1 is arranged along a second direction L2 perpendicular to the first direction L1; that is, the center axis of the knob 1 of the present embodiment is perpendicular to the stacking direction of the two switch unit groups.
The outer surface of the first terminal 2212 has a connection surface (i.e., a connection surface for fixing a wire), which is inclined with respect to the second direction L2 and forms an acute angle α with the second direction L2, and the inner end of the connection surface, which is close to the central axis of the moving contact 210 of the switch unit, is disposed relatively far from the outer end of the central axis of the moving contact 210 of the switch unit, which is close to the knob 1, such that the wire connected to the first terminal 2212 is led out in a direction far from the knob and is perpendicular to the central axis 211 of the moving contact, i.e., the stacking direction of the switch unit (i.e., the stacking direction of the switch unit);
the second terminal 2222 has an outer surface inclined with respect to the second direction L2 and forming an acute angle β with the second direction L2, and an inner end of the wire surface near the center axis of the moving contact 210 of the switch unit is disposed near the knob 1, and an outer end of the wire surface near the center axis of the moving contact 210 of the switch unit is disposed relatively far from the center axis of the moving contact, so that the wires connected to the first terminal 2212 are led out in a direction far from the knob and perpendicular to the direction of the center axis 211 of the moving contact (i.e., the stacking direction of the switch unit).
As shown in fig. 1 and 2, the first terminal 2212 and the second terminal 2222 of the present embodiment are not symmetrical with respect to the central axis 211 of the moving contact, but are distributed like a fishbone, and the distances between the inner ends of the first terminal 2212 and the second terminal 2222 and the central axis 211 of the moving contact are different.
Preferably, said α is 30-60 °, and/or said β is 30-60 °. The angle settings of alpha and beta are preferably in the range of 30-60 deg. based on how to facilitate wiring and housing space layout considerations. Alpha and beta may be equal or unequal. The alpha and beta of each switching unit may be a fixed value, or may be any value within the above-mentioned range,
further, the surface of the outer surface of the first terminal 2212 is parallel to or overlaps with the central axis of the movable contact 210;
and/or, the surface of the outer surface of the second terminal 2222 is parallel to or overlaps (i.e. is not in intersecting relation with) the central axis of the moving contact 210. This facilitates the wiring operation through the openings of the first wiring recess 201 and the second wiring recess 202.
As shown in fig. 1, the first wiring recess 201 and the second wiring recess 202 are respectively located on two opposite sides of the unit case 200, and the side of each switching unit where the first wiring recess 201 is located on the same surface as the side of the switching unit where the first wiring recess 201 is located, which is adjacent in the second direction L2. The two adjacent switch units in the second direction L2 are arranged at a certain distance from each other, so that the wiring operation is convenient to be performed successively.
As shown in fig. 1, the side of each switching cell where the first wiring recess 201 is located is on the same surface as the side of the switching cell where the second wiring recess 202 is located, which is adjacent to the switching cell along the first direction L1. The two adjacent switch units in the first direction L1 are arranged at a certain distance from each other, so that the wiring operation is convenient to be carried out successively.
The free tripping mechanism 3 comprises a tripping element and a connecting rod structure, and the knob 1 drives the moving contact and the fixed contact to be switched on or off through the transmission of the connecting rod structure; the movable contact and the fixed contact in the closing state can be separated by the jump fastener; the connecting rod structure comprises an arc motion input end and an arc motion output end, a first transmission mechanism is arranged between the rotary motion output end of the knob 1 and the arc motion input end, and a second transmission mechanism 4 is connected between the arc motion output end and the rotary motion input end of the switch unit;
the connecting rod structure is mainly used for driving force transmission between the knob 1 and the moving contact, a four-bar mechanism can be adopted, the four-bar mechanism is widely applied to a molded case circuit breaker and is provided with a five-bar mechanism formed in a free tripping state and a four-bar mechanism formed in a closing state, the arc motion input end and the arc motion output end are respectively positioned at the head end and the tail end of the five-bar mechanism and the four-bar mechanism, and the rotation center axis of the moving contact is perpendicular to a plane where the arc motion of the arc motion output end is positioned.
As shown in fig. 3, the second transmission mechanism 4 is provided with a first transmission wheel 401 and a second transmission wheel 402 which are coaxially arranged with the rotation central shafts of the movable contacts of the two switch unit groups respectively and are in linkage fit in the circumferential direction, a certain distance is reserved between the first transmission wheel 401 and the second transmission wheel 402, the second transmission mechanism 4 is provided with a synchronous output wheel 403 arranged between the first transmission wheel 401 and the second transmission wheel 402, a transmission structure is arranged between the arc motion output end and the synchronous output wheel 403 to enable the arc motion of the arc motion output end to be converted into the rotation motion of the synchronous output wheel 403, and a connecting rod 404 is arranged between the synchronous output wheel 403 and the first transmission wheel 401 and the second transmission wheel 402 respectively to enable the rotation motion of the synchronous output wheel 403 to be converted into the synchronous rotation of the first transmission wheel 401 and the second transmission wheel 402. The synchronous output wheel 403 and the first driving wheel 401 and the second driving wheel 402 can be in common driving structures such as gear driving, belt driving, connecting rod driving and the like.
The upper end and the lower end of the first driving wheel 401 along the extending direction of the rotating central shaft of the moving contact are respectively provided with two rotating motion output ends, the switch unit components matched with the first driving wheel 401 are two groups of third switch unit groups respectively positioned at the upper side and the lower side of the first driving wheel 401 along the extending direction of the rotating central shaft of the moving contact, and the rotating central shafts of the two groups of third switch unit groups respectively form linkage matching with the two rotating motion output ends of the first driving wheel 401;
the upper end and the lower end of the second driving wheel 402 along the extending direction of the rotation central shaft of the moving contact are respectively provided with two rotation motion output ends, the switch unit components matched with the second driving wheel 402 are two groups of fourth switch unit groups respectively positioned on the upper side and the lower side of the second driving wheel 402 along the extending direction of the rotation central shaft of the moving contact, and the rotation central shafts of the two groups of fourth switch unit groups respectively form linkage matching with the two rotation motion output ends of the second driving wheel 402. As shown in fig. 1, the two rows of switch units are respectively divided into two groups and distributed on two sides of the second transmission mechanism 4, so that the torque transmission efficiency of the switch units is improved, and the appearance is tidy and consistent.
As shown in fig. 5, a first engagement portion 2213 is provided between the first contact end 2211 and the first terminal 2212; a second connection portion 2223 is disposed between the second contact end 2221 and the second terminal 2222; the first contact end 2211 and the second contact end 2221 are symmetrically arranged relative to the central axis of the movable contact;
the unit housing 200 is provided with a limiting structure for limiting the first engagement portion 2213 and the second engagement portion 2223. The first connection portion 2213 and the second connection portion 2223 are configured to be asymmetric in orientation, so that the first connection terminal 2212 and the second connection terminal 2222 are asymmetric.
Example 2:
the structure of the embodiment similar to that of embodiment 1 is relatively simple, and specifically, the two switch unit groups of embodiment 1 are replaced by one switch unit group of the embodiment. Specifically, the rotary isolating switch of this embodiment includes at least two switch units, where the at least two switch units are stacked along the first direction L1 and the central axes of the moving contacts are coaxially disposed, the first wiring cavity 201 and the second wiring cavity 202 are respectively located on two opposite sides of the unit housing 200, and the side where the first wiring cavity 201 of each switch unit is located and the side where the second wiring cavity 202 of the switch unit adjacent along the first direction L1 is located are located on the same surface.
Also included is a method of manufacturing a semiconductor device,
the free tripping mechanism 3 comprises a tripping element and a connecting rod structure, and the knob 1 drives the moving contact and the fixed contact to be switched on or off through the transmission of the connecting rod structure; the movable contact and the fixed contact in the closing state can be separated by the jump fastener; the connecting rod structure comprises an arc motion input end and an arc motion output end, a first transmission mechanism is arranged between the rotary motion output end of the knob 1 and the arc motion input end, and a second transmission mechanism 4 is connected between the arc motion output end and the rotary motion input end of the switch unit. As shown in fig. 6, the second transmission mechanism 4 of this embodiment is simpler in structure, and has only one transmission wheel, and the arc motion output end and the transmission wheel are transmitted through a connecting rod.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. An external wiring structure of a rotary isolating switch comprises a knob (1) and a plurality of switch units (2),
the switch unit (2) comprises a unit shell (200), a moving contact (210), a first fixed contact (221) and a second fixed contact (222), wherein the moving contact (210) and the first fixed contact (221) and the second fixed contact (222) are arranged in the unit shell (200), the moving contact (210) is rotatable relative to the unit shell (200), the first fixed contact (221) and the second fixed contact (222) are fixed relative to the unit shell (200) and are respectively arranged on two sides of the moving contact (210), and a first wiring concave cavity (201) and a second wiring concave cavity (202) are distributed in the outer area of the unit shell (200); the first fixed contact (221) is provided with a first contact end (2211) which is positioned in the unit shell (200) and matched with the movable contact (210) and a first wiring end (2212) which is positioned in the first wiring concave cavity (201); the second fixed contact (222) is provided with a second contact end (2221) which is positioned in the unit shell (200) and matched with the movable contact (210) and a second wiring end (2222) which is positioned in the second wiring cavity (202);
the knob (1) is used for driving the movable contact (210) to rotate between the first fixed contact (221) and the second fixed contact (222) to realize the connection/disconnection between the first fixed contact (221) and the second fixed contact (222);
the method is characterized in that: a central shaft (211) of a moving contact of the switch unit is arranged along a first direction (L1);
the central axis of the knob (1) is arranged along a second direction (L2) perpendicular to the first direction (L1);
the outer surface of the first wiring terminal (2212) is provided with a wiring surface which is inclined relative to the second direction (L2) and forms an acute angle alpha with the second direction (L2), and the inner end of the wiring surface, which is close to the central axis (211) of the movable contact of the switch unit, is relatively far away from the outer end of the central axis (211) of the movable contact of the switch unit, and is close to the knob (1);
the outer surface of the second wiring terminal (2222) is provided with a wiring surface which is inclined relative to the second direction (L2) and forms an acute angle beta with the second direction (L2), and the inner end of the wiring surface, which is close to the central axis (211) of the moving contact of the switch unit, is relatively far away from the outer end of the central axis (211) of the moving contact of the switch unit, and is close to the knob (1).
2. The rotary isolating switch external wiring structure as in claim 1, wherein: the alpha is 30-60 deg., and/or the beta is 30-60 deg..
3. The rotary isolating switch external wiring structure as in claim 1, wherein: the surface of the wiring surface of the outer surface of the first wiring terminal (2212) is parallel or overlapped with the central shaft (211) of the movable contact;
and/or the surface of the wiring surface of the outer surface of the second wiring terminal (2222) is parallel or overlapped with the central axis (211) of the movable contact.
4. The rotary isolating switch external wiring structure as in claim 1, wherein: the movable contact comprises at least two switch units, wherein the at least two switch units are arranged in a stacked mode along a first direction (L1) and are coaxially arranged on a central shaft (211) of the movable contact, a first wiring cavity (201) and a second wiring cavity (202) are respectively located on two opposite side faces of a unit shell (200), and the side face of each switch unit where the first wiring cavity (201) is located and the side face of each switch unit where the second wiring cavity (202) of the switch unit adjacent to the first direction (L1) is located are located on the same surface.
5. The rotary isolating switch external wiring structure as in any one of claims 1-4, wherein: also included is a method of manufacturing a semiconductor device,
the free tripping mechanism (3) comprises a tripping piece and a connecting rod structure, and the knob (1) drives the moving contact and the fixed contact to be switched on or off through the transmission of the connecting rod structure; the movable contact and the fixed contact in the closing state can be separated by the jump fastener; the connecting rod structure comprises an arc motion input end and an arc motion output end, a first transmission mechanism is arranged between the rotary motion output end of the knob (1) and the arc motion input end, and a second transmission mechanism (4) is connected between the arc motion output end and the rotary motion input end of the switch unit.
6. The rotary isolating switch external wiring structure as in claim 1, wherein: the switch unit group comprises two groups of at least two switch units which are stacked along a first direction (L1), wherein the central axes (211) of the moving contacts of the two groups of switch units are arranged in parallel at a certain distance, and the two groups of switch units are sequentially arranged along a second direction (L2).
7. The rotary isolating switch external wiring structure as in claim 6, wherein: the first wiring concave cavity (201) and the second wiring concave cavity (202) are respectively located on two opposite side surfaces of the unit shell (200), and the side surface of each switch unit where the first wiring concave cavity (201) is located on the same surface as the side surface of the switch unit where the first wiring concave cavity (201) of the switch unit adjacent to the second direction (L2) is located.
8. The rotary isolation switch external wiring structure of claim 7, wherein: the side of each switching unit where the first wiring cavity (201) is located is on the same surface as the side of the switching unit where the second wiring cavity (202) is located, which is adjacent to the switching unit in the first direction (L1).
9. The rotary isolating switch external wiring structure as in any one of claims 6-8, wherein: also included is a method of manufacturing a semiconductor device,
the free tripping mechanism (3) comprises a tripping piece and a connecting rod structure, and the knob (1) drives the moving contact and the fixed contact to be switched on or off through the transmission of the connecting rod structure; the movable contact and the fixed contact in the closing state can be separated by the jump fastener; the connecting rod structure comprises an arc motion input end and an arc motion output end, a first transmission mechanism is arranged between the rotary motion output end of the knob (1) and the arc motion input end, and a second transmission mechanism (4) is connected between the arc motion output end and the rotary motion input end of the switch unit;
the second transmission mechanism (4) is provided with a first transmission wheel (401) and a second transmission wheel (402) which are respectively coaxially arranged with the rotation central shafts of the movable contacts of the two switch unit groups and are in circumferential linkage fit, a certain distance is reserved between the first transmission wheel (401) and the second transmission wheel (402), the second transmission mechanism (4) is provided with a synchronous output wheel (403) arranged between the first transmission wheel (401) and the second transmission wheel (402), a transmission structure is arranged between the arc motion output end and the synchronous output wheel (403) so as to convert the arc motion of the arc motion output end into the rotation motion of the synchronous output wheel (403), and a connecting rod (404) is arranged between the synchronous output wheel (403) and the first transmission wheel (401) and the second transmission wheel (402) so as to convert the rotation motion of the synchronous output wheel (403) into the synchronous rotation of the first transmission wheel (401) and the synchronous rotation of the second transmission wheel (402);
the upper end and the lower end of the first driving wheel (401) along the extending direction of the rotating central shaft of the moving contact are respectively provided with two rotating motion output ends, the switch unit groups matched with the first driving wheel (401) are respectively two groups of third switch unit groups positioned on the upper side and the lower side of the first driving wheel (401) along the extending direction of the rotating central shaft of the moving contact, and the rotating central shafts of the two groups of third switch unit groups are respectively in linkage fit with the two rotating motion output ends of the first driving wheel (401);
the upper end and the lower end of the second driving wheel (402) along the extending direction of the rotating central shaft of the moving contact are respectively provided with two rotating motion output ends, the switch unit groups matched with the second driving wheel (402) are respectively two groups of fourth switch unit groups positioned on the upper side and the lower side of the second driving wheel (402) along the extending direction of the rotating central shaft of the moving contact, and the rotating central shafts of the two groups of fourth switch unit groups are respectively in linkage fit with the two rotating motion output ends of the second driving wheel (402).
10. The rotary isolating switch external wiring structure according to any one of claims 1-4 or 6-8, wherein: a first connecting part (2213) is arranged between the first contact end (2211) and the first wiring end (2212); a second connection part (2223) is arranged between the second contact end (2221) and the second terminal (2222); the first contact end (2211) and the second contact end (2221) are symmetrically arranged relative to the central shaft (211) of the movable contact;
a limiting structure for limiting the first connection part (2213) and the second connection part (2223) is arranged on the unit shell (200);
the bottom of the first connecting end (2212) connected with the first connecting part (2213) forms an obtuse angle with the first connecting part (2213);
the bottom of the second terminal (2222) connected to the second engagement portion (2223) forms an acute angle with the first engagement portion (2213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320725358.5U CN219759492U (en) | 2023-04-03 | 2023-04-03 | External wiring structure of rotary isolating switch |
Applications Claiming Priority (1)
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| CN202320725358.5U CN219759492U (en) | 2023-04-03 | 2023-04-03 | External wiring structure of rotary isolating switch |
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