CN214152727U - Double-power-supply change-over switch - Google Patents
Double-power-supply change-over switch Download PDFInfo
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- CN214152727U CN214152727U CN202120108039.0U CN202120108039U CN214152727U CN 214152727 U CN214152727 U CN 214152727U CN 202120108039 U CN202120108039 U CN 202120108039U CN 214152727 U CN214152727 U CN 214152727U
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Abstract
The utility model discloses a double power supply change-over switch, which comprises a base, an operating platform, a motor, two groups of moving contacts, a rotating handle and a static contact, wherein the static contact is fixed on the base, the static contact and the moving contacts are arranged in sequence and are corresponding in number, the number of the moving contacts is more than two, the two groups of moving contacts are distributed on two sides of the base, the bottom of the motor is connected on the base, the rotating shaft end part of the motor passes through the operating platform and is provided with the rotating handle, the position of a rotating shaft of the motor penetrating through the operating platform is also connected with a transmission gear, rotating shafts are respectively arranged on two sides of the operating platform, the two rotating shafts rotate in opposite directions when the transmission gear rotates between the two rotating shafts and the transmission gear through a transmission mechanism, the two rotating shafts correspond to the two groups of moving contacts one by one, and the two rotating shafts and the corresponding group of moving contacts are respectively transmitted through a linkage mechanism, so that the connection or disconnection between the moving contacts and the static contacts is realized. This rational in infrastructure reliable and transmission switch smoothly, greatly improve the stability of operation.
Description
Technical Field
The utility model relates to a switch, concretely relates to dual supply change over switch.
Background
The dual-power transfer switch is used for one way of standby power supply, and when common power fails or is in power failure, the common power supply is automatically switched into the standby power supply through the dual-power transfer switch (the standby power supply can be supplied with power by a generator under small load), so that equipment can still normally operate. The dual-power transfer switch has the advantages that the existing dual-power transfer switch is unreasonable in switching structure, unsmooth switching is caused, the stability of switching operation is affected, and the power source cannot be switched easily.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a dual power transfer switch with reasonable structure and smooth switching.
In order to achieve the above purpose, the utility model provides a following technical scheme: a dual-power transfer switch comprises a base, an operation table, a motor, static contacts and moving contacts, wherein the static contacts are fixed on the base, the static contacts and the moving contacts are corresponding in number and are sequentially arranged, the moving contacts are two groups, the number of each group is more than two, the two groups of moving contacts are distributed on two sides of the base, the bottom of the motor is connected to the base, the end part of a rotating shaft of the motor penetrates through the operation table and is provided with a rotating handle, a transmission gear is further connected to the position, where the rotating shaft of the motor penetrates through the operation table, rotating shafts are respectively arranged on two sides of the operation table, the two rotating shafts and the transmission gear rotate along opposite directions through a transmission mechanism when the transmission gear rotates, the two rotating shafts correspond to the two groups of moving contacts one by one, and the two rotating shafts and the corresponding group of moving contacts are respectively transmitted through a linkage mechanism, the connection or disconnection between the movable contact and the fixed contact is realized.
The transmission mechanism comprises guide rails arranged on the front side and the rear side of the operating platform respectively, guide plates sliding along the guide rails are arranged on the two guide rails respectively, racks are arranged on the two guide plates and are in transmission fit with the transmission gear respectively, protruding teeth are arranged at the end parts, close to the outer sides, of the two guide plates respectively, the two protruding teeth face the inner side of the operating platform respectively, the two protruding teeth correspond to the two rotating shafts one by one, the two rotating shafts are connected with transmission wheels respectively, tooth sockets are arranged on the transmission wheels, and the protruding teeth are arranged in the tooth sockets.
The linkage mechanism comprises a shifting block, a lifting block and a transmission block, wherein the lifting block moves up and down, the transmission block moves transversely, the shifting block is connected to the rotating shaft, the lifting block is connected with the moving contact, a transmission groove for the lifting block to be placed in is formed in the transmission block, a protruding column is arranged on the inner side wall of the transmission groove, an inclined guide groove for the protruding column to slide is formed in the side wall of the lifting block, a shifting groove is formed in the upper end face of the transmission block, and a shifting strip capable of being placed in the shifting groove extends out of the shifting block.
The lifting block and the transmission block are made of plastic materials respectively.
The utility model discloses a structure, the axis of rotation that passes through drive mechanism drive both sides after motor or twist grip drive gear rotate rotates along opposite direction, two axis of rotation are respectively through the moving contact that the link gear drive of structure looks isostructure corresponds, realize the joint of one side moving contact and static contact, the moving contact of opposite side is then disconnected with the static contact simultaneously, and then realize the switching of dual supply, this rational in infrastructure reliable and transmission switching is smooth and easy, greatly improve the stability of operation, the reliability of dual supply switching has been guaranteed.
The invention is further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is a perspective view of the transmission block according to the embodiment of the present invention.
Detailed Description
The present invention will be specifically described below by way of examples.
As shown in fig. 1-3, this embodiment discloses a dual power transfer switch, which includes a base 1, an operation panel 2, a motor 3, two sets of fixed contacts 4 and two sets of movable contacts 5, wherein the fixed contacts 4 are fixed on the base 1, the fixed contacts 4 and the movable contacts 5 are arranged in sequence and in a corresponding number, the number of each set is two or more, the two sets of movable contacts 5 are distributed on two sides of the base 1, of course, the two sets of fixed contacts 4 are also arranged, one set is used for connecting a main power source, the other set is used for connecting a standby power source, the bottom of the motor 3 is connected to the base 1, the end of the rotating shaft of the motor 3 passes through the operation panel 2 and is provided with a rotating handle 6, a transmission gear 7 is further connected to the position where the rotating shaft of the motor 3 passes through the operation panel 2, rotating shafts 10 are respectively arranged on two sides of the operation panel 2, and the two rotating shafts 10 and the transmission gear 7 rotate in opposite directions through a transmission 8 mechanism between the two rotating shafts 10 and the transmission gear 7, the two rotating shafts 10 correspond to the two groups of moving contacts 5 one by one, and the two rotating shafts 10 and the corresponding group of moving contacts 5 are respectively driven by a linkage mechanism 9, so that the moving contacts 5 and the fixed contacts 4 are connected or disconnected.
The transmission mechanism 8 comprises guide rails 81 respectively arranged on the front side and the rear side of the operating platform 2, guide plates 82 sliding along the guide rails are respectively arranged on the two guide rails 81, racks respectively arranged on the two guide plates 82 are in transmission fit with the transmission gear 7, convex teeth 821 are respectively arranged at the end parts of the two guide plates 82 close to the outer sides, the two convex teeth 821 respectively face the inner sides of the operating platform 2, the two convex teeth 821 are in one-to-one correspondence with the two rotating shafts 10, the two rotating shafts 10 are respectively connected with transmission wheels 83, tooth sockets 831 are arranged on the transmission wheels 83, and the convex teeth 821 are arranged in the tooth sockets 831. Through the structure, after the motor 3 or the handle drives the transmission gear 7 to rotate, the two guide plates 82 of the transmission gear move along two sides respectively, and the convex teeth 821 drive the transmission wheel 83 to rotate along different directions, so as to drive the two rotating shafts 10 to rotate along different directions.
The link gear 9 includes shifting block 91, the elevator 92 of upper and lower activity and lateral shifting's transmission piece 93, in practice, base 1 is last still to be stamped and is equipped with the box body, be provided with the guide slot that supplies elevator 92 upper and lower activity in the box body, set up the guide slot that supplies transmission block 93 lateral shifting simultaneously, shifting block 91 is connected on axis of rotation 10, the bottom of elevator 92 is connected with moving contact 5, be equipped with the transmission groove that supplies elevator 92 to put into on the transmission block 93, be equipped with projection 94 on the inside wall of transmission groove, be equipped with on the lateral wall of elevator 92 and supply the gliding slope guide slot 95 of projection 94, be equipped with on the transmission block 93 up end and dial groove 96, it can put into the strip of dialling in groove 96 to extend on the shifting block 91. Through the structure, after the rotating shaft 10 rotates, the shifting strip on the shifting block 91 is driven to rotate and the driving block 93 is driven to move transversely, the convex column 94 on the driving block 93 correspondingly slides along the inclined guide groove 95, and then the lifting block 92 is driven to move up and down, so that the connection or disconnection between the movable contact 5 and the static contact 4 is completed.
The lifting block 92 and the transmission block 93 are made of plastic materials respectively. By the arrangement, when the power supply is disconnected or connected, the lifting block 92 and the transmission block 93 can be used as insulating parts, so that an operator and a power supply connection point are isolated to a certain extent, and the operation safety is improved.
By adopting the technical scheme, the motor 3 or the rotating handle 6 drives the gears to rotate and then drives the rotating shafts 10 on two sides to rotate along opposite directions through the transmission mechanism 8, the two rotating shafts 10 respectively drive the corresponding moving contacts 5 through the linkage mechanisms 9 with the same structure, so that the connection between the moving contact 5 and the fixed contact 4 on one side is realized, meanwhile, the moving contact 5 and the fixed contact 4 on the other side are disconnected, and further, the switching of double power supplies is realized.
Claims (4)
1. The utility model provides a dual power transfer switch, includes base, operation panel, motor, static contact and moving contact, the static contact is fixed on the base, and the quantity of static contact and moving contact is corresponding and arranges in proper order, the moving contact is two sets of, and every group quantity is more than two, and is two sets of the moving contact distributes in the both sides of base, the bottom of motor is connected the base on, the pivot tip of motor passes the operation panel and disposes turning handle, its characterized in that: the position of a rotating shaft of the motor penetrating through the operating platform is further connected with a transmission gear, rotating shafts are respectively arranged on two sides of the operating platform, the two rotating shafts and the transmission gear realize that the two rotating shafts rotate in opposite directions when the transmission gear rotates through a transmission mechanism, the two rotating shafts correspond to the two groups of moving contacts one by one, and the two rotating shafts and the corresponding group of moving contacts are respectively transmitted through a linkage mechanism to realize connection or disconnection between the moving contacts and the fixed contacts.
2. The dual power transfer switch of claim 1, wherein: the transmission mechanism comprises guide rails arranged on the front side and the rear side of the operating platform respectively, guide plates sliding along the guide rails are arranged on the two guide rails respectively, racks are arranged on the two guide plates and are in transmission fit with the transmission gear respectively, protruding teeth are arranged at the end parts, close to the outer sides, of the two guide plates respectively, the two protruding teeth face the inner side of the operating platform respectively, the two protruding teeth correspond to the two rotating shafts one by one, the two rotating shafts are connected with transmission wheels respectively, tooth sockets are arranged on the transmission wheels, and the protruding teeth are arranged in the tooth sockets.
3. The dual power transfer switch of claim 1, wherein: the linkage mechanism comprises a shifting block, a lifting block and a transmission block, wherein the lifting block moves up and down, the transmission block moves transversely, the shifting block is connected to the rotating shaft, the lifting block is connected with the moving contact, a transmission groove for the lifting block to be placed in is formed in the transmission block, a protruding column is arranged on the inner side wall of the transmission groove, an inclined guide groove for the protruding column to slide is formed in the side wall of the lifting block, a shifting groove is formed in the upper end face of the transmission block, and a shifting strip capable of being placed in the shifting groove extends out of the shifting block.
4. The dual power transfer switch of claim 3, wherein: the lifting block and the transmission block are made of plastic materials respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120108039.0U CN214152727U (en) | 2021-01-15 | 2021-01-15 | Double-power-supply change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120108039.0U CN214152727U (en) | 2021-01-15 | 2021-01-15 | Double-power-supply change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214152727U true CN214152727U (en) | 2021-09-07 |
Family
ID=77548053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120108039.0U Active CN214152727U (en) | 2021-01-15 | 2021-01-15 | Double-power-supply change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214152727U (en) |
-
2021
- 2021-01-15 CN CN202120108039.0U patent/CN214152727U/en active Active
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