CN115440532A - Static contact insulation sheath temperature indicating opening and closing type knife switch - Google Patents
Static contact insulation sheath temperature indicating opening and closing type knife switch Download PDFInfo
- Publication number
- CN115440532A CN115440532A CN202211227857.8A CN202211227857A CN115440532A CN 115440532 A CN115440532 A CN 115440532A CN 202211227857 A CN202211227857 A CN 202211227857A CN 115440532 A CN115440532 A CN 115440532A
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- movable contact
- switching
- switch
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- 230000003068 static effect Effects 0.000 title claims abstract description 32
- 238000009413 insulation Methods 0.000 title description 2
- 238000009434 installation Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
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- Slide Switches (AREA)
- Push-Button Switches (AREA)
Abstract
The invention provides a static contact insulating sheath temperature indicating on-off type disconnecting link, which relates to the field of disconnecting links and comprises a movable contact block, wherein the movable contact block is inserted on the side surface of a movable block, so that the problems that a disconnecting link of the existing disconnecting link is not provided with a guide structure and a structural member for enhancing the connection stability, the on-off switching is troublesome and is easy to cause poor contact or virtual connection heating and other power faults are solved, a switching assembly can realize the on-off state of a control device and the function of stabilizing the connection relation between a static contact block and the movable contact block, and can automatically guide and realize the stable contact or disconnection between the static contact block and the movable contact block when the control device is opened and closed, the operation is convenient, the switching assembly can be controlled by a driving assembly to realize the functions, and meanwhile, the movement track of the control rod of the driving assembly is straight up and down when the control device is controlled, so that the on-off operation of a circuit by electric personnel is facilitated, and the action of the disconnecting link is not required to be guided by people.
Description
Technical Field
The invention relates to the technical field of disconnecting links, in particular to a fixed contact insulating sheath temperature indicating open-close type disconnecting link.
Background
In an electric power system, an isolating switch is a common device, a disconnecting switch belongs to one type of isolating switch, and the on-off of a circuit can be controlled by opening and closing the disconnecting switch.
However, the existing knife switch for the power system has the following disadvantages:
1. the switch is not provided with a guide structure, the switch is opened and closed by holding the long rod by an electric worker to pull the operating rod, and the electric worker pushes the switch rod to move upwards through the long rod and controls the moving track of the switch rod in the combining operation, so that the two contacts can be accurately and stably connected, the use is troublesome, and the labor intensity is high;
2. the structure for enhancing the connection stability is not provided, so that a virtual connection phenomenon possibly exists between the two contacts, poor contact or power failures such as heating of the virtual connection are easily caused, and the stability is poor.
Disclosure of Invention
In view of the above, the invention provides a static contact insulating sheath temperature indicating switch-on and switch-off type disconnecting link, which has a switching component, wherein the switching component can realize the switching state of a control device and the function of stabilizing the connection relationship between a static contact block and a movable contact block, and when the control device is switched on and switched off, the switching component can automatically guide and realize the stable contact or disconnection between the static contact block and the movable contact block, so that the switch-on and switch-off type disconnecting link is stable in use and convenient to operate.
The invention provides a temperature-indicating open-close type disconnecting link of a static contact insulating sheath, which specifically comprises: the mounting assembly comprises a mounting base, two connecting conductive columns and a static contact block, wherein the mounting base is fixedly mounted at the top of the electric power support, the two connecting conductive columns are respectively and fixedly mounted at two sides of the top of the mounting base, and the static contact block is fixedly mounted at the top of the mounting base; the switching assembly comprises a moving block, a movable contact block and a position block, the moving block is inserted at the top of the mounting base, the movable contact block is inserted at the side surface of the moving block, and the position block is inserted in the moving block; the opposite side surfaces of the static contact block and the movable contact block are provided with conducting strips, and the two conducting strips are respectively connected with the two connecting conducting columns; the driving assembly comprises a driving wheel and a control rod, the driving wheel is rotatably connected inside the mounting base, and the control rod is inserted inside the mounting base.
Furthermore, a positioning column is arranged on the side face of the movable contact block, an integral rod is arranged on the side face of the position block, the positioning column is connected in the movable block in an inserting mode, the integral rod is connected in the positioning column in an inserting mode, an integral groove is formed in the positioning column, a synchronizing block is arranged at the front end of the integral rod, the cross sections of the synchronizing block and the positioning column are both polygonal, and the synchronizing block is connected in the integral groove in an inserting mode.
Furthermore, an internal force top spring is arranged inside the integral rod, and two ends of the internal force top spring are fixedly connected inside the integral rod and inside the positioning column respectively.
Furthermore, the outside of the integral rod is sleeved with a separation top spring, and two ends of the separation top spring are respectively and fixedly connected to the inside of the position block and the side face of the moving block.
Furthermore, the top of installation base is equipped with the direction dog, and the middle part block of direction dog designs for the slope, and the block shape of position piece is right trapezoid, and the hypotenuse of position piece and the block of direction dog middle part slope contact each other.
Furthermore, the bottom of the moving block is provided with a track block with a T-shaped section, a track groove is formed in the mounting base, and the track block is inserted into the track groove.
Furthermore, the switching component further comprises two spring seats, wherein one spring seat is rotatably connected to the side face of the moving block, the other spring seat is rotatably connected to the inside of the mounting base, a positioning top spring is arranged between the two spring seats, and two ends of the positioning top spring are respectively and fixedly connected to the inside of the two spring seats.
Furthermore, a linkage rod is arranged on the side face of the moving block, a linkage groove is formed in the side face of the driving wheel, and the linkage rod is inserted into the linkage groove.
Furthermore, a switching rack is arranged on the side face of the control rod, a switching gear is arranged outside the driving wheel, and the switching rack and the gear teeth of the switching gear are meshed for transmission.
Advantageous effects
1. The device is when using, the switching component can realize the function of controlling means state of opening and shutting and stable relation of connection between quiet touch multitouch and the movable contact multitouch, and when controlling means opened and shut, the switching component can automatic guide and realize the stable contact or disconnection between quiet touch multitouch and the movable contact multitouch, the operation is stable, high durability and convenient use, and can control the switching component through drive assembly and realize above-mentioned function, the motion orbit of drive assembly control lever is straight-up and straight-down when control simultaneously, thereby make the operation of having made things convenient for electric power personnel to pass through the device control circuit break-make, high durability and convenient use are nimble, need not artificial action to the brake lever and lead, the flexibility, adaptability and the practicality of the device have been improved.
2. The drive assembly can control the service position of the movable block, thereby realizing the fast switching of the opening and closing state of the device, when the control rod is pulled up and down, the switching rack of the control rod can drive the driving wheel to rotate through the switching gear, the linkage groove can drive the movable block to move through the linkage rod when the driving wheel rotates, thereby changing the service position of the movable contact block to realize the function of controlling the opening and closing state of the device, the use is convenient, the control rod is the straight-up and straight-down motion track, simultaneously, the movable block can directionally move under the action of the track block and the track groove, thereby ensuring the stable realization of the movable block after moving and the contact relation between the movable contact block and the static contact block, the operation flow and the steps of opening and closing of the device are simplified, the use is convenient and flexible, and the switching is fast.
3. The positioning top spring can position the use position of the moving block after switching, so that the device cannot accidentally switch the use state, and after the device is switched, the positioning top spring can provide an acting force in the same direction as the moving direction of the moving block in the switching process for the moving block, so that the moving block cannot automatically move to switch the use position after switching is completed, and the use is stable and can only be switched through manual control.
4. Use through the cooperation between position piece and the movable contact piece and can make to connect between movable contact piece and the quiet contact piece stably and break away from thoroughly, when the device is in the off-state, synchronous piece supports the outermost end at the whole groove under the effect of internal force top spring this moment, thereby position piece and movable contact piece have become a whole, and the whole that position piece and movable contact piece become is pulled to the one side of keeping away from quiet contact piece under the effect that breaks away from the top spring, thereby even realize when the device is in the off-state, the contact tip face of movable contact piece and quiet contact piece also can not be in on same straight line, the stability of breaking away from has been guaranteed, stability is extremely strong.
5. The device is used for showing the stable connection function between the movable contact block and the static contact block by taking the switching from the disconnection state to the connection state as an example, when the movable block moves forwards and is switched from the disconnection state to the connection state for use, the position block moves forwards synchronously along with the movable block, when the position block is subjected to the front middle period of bevel edge extrusion of the guide stop block, the position block and the movable contact block are still integral at the moment, so that the position block can drive the movable contact block to move to one side of the static contact block synchronously after being extruded, when the movable contact block and the static contact block are contacted, the movable block can move forwards continuously, so that the position block moves to one side of the static contact block by the bevel edge extrusion of the guide stop block, at the moment, the movable contact block cannot move synchronously along with the position block due to the release relationship between the movable contact block and the static contact block (namely, the integral relationship between the position block and the movable contact block is released), so that the contact pressure between the movable contact block and the static contact block can be increased by the internal force jacking spring when the position block moves forwards continuously, the static contact block can be connected stably, and the stable connection can be realized, and the stable transmission can be conveniently and the use can be realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention in the on state;
FIG. 3 is a schematic structural view of the mounting assembly of the present invention after disassembly;
FIG. 4 is a schematic structural view of the drive assembly of the present invention after disassembly;
FIG. 5 is a schematic structural view of the switching assembly of the present invention after disassembly;
FIG. 6 is a schematic view of the internal structure of the present invention in the open state;
FIG. 7 is a side elevational schematic view of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic diagram of the inner part of the position block in the middle stage of moving when the switch-off state is switched to the switch-on state;
FIG. 9 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;
FIG. 10 is an enlarged view of the portion B of FIG. 6 according to the present invention;
fig. 11 is an enlarged structural view of the C portion in fig. 8 according to the present invention.
List of reference numerals
1. Mounting the component; 101. installing a base; 1011. a guide stopper; 1012. a track groove; 102. connecting the conductive columns; 103. a stationary contact block; 2. a switching component; 201. a moving block; 2011. a track block; 2012. a linkage rod; 202. a movable contact block; 2021. a positioning column; 2022. an integral groove; 203. a position block; 2031. an integral rod; 2032. a synchronization block; 2033. an internal force top spring; 2034. disengaging the top spring; 204. a spring seat; 2041. positioning a top spring; 3. a drive assembly; 301. a drive wheel; 3011. a linkage groove; 3012. a switching gear; 302. a control lever; 3021. and switching the racks.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to 11:
the invention provides a fixed contact insulating sheath temperature indicating on-off type disconnecting link, which comprises an installation component 1, wherein the installation component 1 comprises an installation base 101, two connecting conductive columns 102 and a static contact block 103, the installation base 101 is fixedly installed at the top of an electric power support, the two connecting conductive columns 102 are arranged, the two connecting conductive columns 102 are respectively and fixedly installed at two sides of the top of the installation base 101, the two connecting conductive columns 102 are respectively connected with an electric power cable, and the static contact block 103 is fixedly installed at the top of the installation base 101; the switching assembly 2 comprises a moving block 201, a movable contact block 202 and a position block 203, wherein the moving block 201 is inserted at the top of the installation base 101, the movable contact block 202 is inserted at the side surface of the moving block 201, and the position block 203 is inserted in the moving block 201; the opposite side surfaces of the static contact block 103 and the movable contact block 202 are provided with conducting strips, and the two conducting strips are respectively connected with the two connecting conducting columns 102; drive assembly 3, drive assembly 3 is including drive wheel 301 and control lever 302, and drive wheel 301 rotates to be connected in the inside of installation base 101, and control lever 302 pegs graft in the inside of installation base 101.
The static contact block 103, the movable contact block 202 and the connecting conductive column 102 are externally provided with insulating sheaths, and temperature indicating sheets are adhered to the outer sides of the insulating sheaths, so that the temperature condition of the contact points can be accurately reflected.
When the control device is switched on and switched off, the switching component 2 can automatically guide and realize stable contact or disconnection between the static contact block 103 and the movable contact block 202, and the switching component 2 can be controlled by the driving component 3 to realize the functions:
the side of the control rod 302 is provided with a switching rack 3021, the outside of the driving wheel 301 is provided with a switching gear 3012, the switching rack 3021 and the gear teeth of the switching gear 3012 are engaged for transmission, in use, the driving assembly 3 can control the use position of the moving block 201, thereby realizing fast switching of the open-close state of the device, when the control rod 302 is pulled up and down, the switching rack 3021 of the control rod 302 can drive the driving wheel 301 to rotate through the switching gear 3012, the side of the moving block 201 is provided with a linkage rod 2012, the side of the driving wheel 301 is provided with a linkage groove 3011, the linkage rod 2012 is inserted into the linkage groove 3011, when the driving wheel 301 rotates, the linkage groove 3011 can drive the moving block 201 to move through the linkage rod 2012, thereby changing the use position of the contact block 202 to realize the function of controlling the open-close state of the device, the use is convenient, the control rod 302 is a straight-up and down movement track, the bottom of the moving block 201 is provided with a track block 2011 with a section of a "T", the inside of the mounting base 101 is provided with a track 1012, the track 2011 is inserted into the track 1012, the track 2011 can realize a stable relationship between the moving block 201 and the moving process of the moving block 201, thereby simplifying the steps of the moving block 201 and simplifying steps of the moving process of the moving block 201.
The switching assembly 2 further comprises two spring seats 204, one of the spring seats 204 is rotatably connected to the side face of the moving block 201, the other spring seat 204 is rotatably connected to the inside of the installation base 101, a positioning top spring 2041 is arranged between the two spring seats 204, two ends of the positioning top spring 2041 are respectively and fixedly connected to the inside of the two spring seats 204, in use, the positioning top spring 2041 can position the use position of the moving block 201 after switching, the device cannot accidentally switch the use state, when the device is switched, the positioning top spring 2041 can provide an acting force, in the same direction as the moving direction of the moving block 201 in the switching process, for the moving block 201, so that the moving block 201 cannot automatically move to switch the use position after switching is completed, switching can be performed only through manual control, and the use is stable.
The cooperation between the position block 203 and the movable contact block 202 can make the connection between the movable contact block 202 and the static contact block 103 stable and complete:
when the device is in a disconnected state, the synchronizing block 2032 abuts against the outermost end of the integral groove 2022 under the action of an internal force top spring 2033, so that the position block 203 and the movable contact block 202 form a whole, the outside of the integral rod 2031 is sleeved with the disconnection top spring 2034, two ends of the disconnection top spring 2034 are respectively fixedly connected to the inside of the position block 203 and the side surface of the movable block, and the whole formed by the position block 203 and the movable contact block 202 is pulled to the side far away from the movable contact block 203 under the action of the disconnection top spring 2034, so that the stability of the movable contact block 202 and the static contact block 103 is ensured even if the movable contact block is in a disconnected state, and the static contact block 202 and the movable contact block are not in a stable state, so that the movable contact device is not in a stable state, and the stability of the movable contact block is ensured.
Wherein, the inside of the integral rod 2031 is provided with an internal force top spring 2033, and the two ends of the internal force top spring 2033 are fixedly connected to the inside of the integral rod 2031 and the inside of the positioning post 2021 respectively, in use, here, taking the device as an example of switching from off-state to on-state, the function of stable connection between the movable contact block 202 and the stationary contact block 103 is demonstrated, when the moving block 201 moves forward from off-state to on-state, the position block 203 moves forward synchronously with the moving block 201, the top of the mounting base 101 is provided with a guide stop 1011, and the middle block of the guide stop 1011 is designed to be inclined, the block of the position block 203 is in the shape of a right trapezoid, and the inclined edge of the position block 203 contacts with the inclined block in the middle of the guide stop 1011, when the position block 203 is pressed by the inclined edge of the guide stop 1011 in the middle stage, because the position block 203 and the movable contact block 202 are still one piece at this time, therefore, the position block 203 can drive the movable contact block 202 to synchronously move to one side of the fixed contact block 103 after being pressed, when the movable contact block 202 is contacted with the fixed contact block 103, the moving block 201 can continuously move forwards, so that in the later period that the position block 203 moves along with the moving block 201, although the position block 203 is still pressed to one side of the fixed contact block 103 by the inclined edge of the guide stop 1011, the movable contact block 202 cannot synchronously move along with the position block 203 (namely, the integral relation between the position block 203 and the movable contact block 202 is released) because of the releasing relation between the movable contact block 202 and the fixed contact block 103, so that the contact pressure between the movable contact block 202 and the fixed contact block 103 can be increased by pressing the internal force top spring 2033 through the synchronization block 2032 when the position block 203 continuously moves forwards, the movable contact block 202 and the fixed contact block 103 can be stably connected to realize the transmission of electric power and the use is stable, the switching is convenient.
The specific use mode and function of the embodiment are as follows: in the invention, the switching component 2 can be controlled by the driving component 3 to realize on-off control of the device on a circuit, when the control rod 302 is pulled up and down, the switching rack 3021 of the control rod 302 can drive the driving wheel 301 to rotate through the switching gear 3012, the linkage groove 3011 can drive the moving block 201 to move through the linkage rod 2012 when the driving wheel 301 rotates, so that the use position of the moving contact block 202 is changed to realize the function of controlling the on-off state of the device, the use is convenient, the control rod 302 is a straight-up and straight-down motion track, and simultaneously, the moving block 201 can directionally move under the action of the track block 2011 and the track groove 1012, so that the stable realization of the contact relation between the moving contact block 202 and the static contact block 103 after the moving block 201 moves is ensured, the positioning top spring 2041 can position the use position of the moving block 201 after switching, so that the device can not have the phenomenon of accidentally switching the use state, and after the switching of the device is completed, the positioning top spring 2041 can provide an acting force in the same direction as the moving direction of the moving block 201 in the switching process for the moving block 201, so that the moving block 201 cannot move to a switching use position after switching is completed, switching can be controlled only by people, the movable contact block 202 and the fixed contact block 103 can be connected stably and thoroughly by matching use between the position block 203 and the movable contact block 202, when the device is in a disconnection state, the synchronous block 2032 abuts against the outermost end of the integral groove 2022 under the action of the internal force top spring 2033, so that the position block 203 and the movable contact block 202 form an integral body, the integral body formed by the position block 203 and the movable contact block 202 is pulled to one side far away from the fixed contact block 103 under the action of the disconnection top spring 2034, and therefore, even if the device is in the disconnection state, the contact end faces of the movable contact block 202 and the fixed contact block 103 cannot be in the same straight line, the function of stable connection between the movable contact block 202 and the fixed contact block 103 is shown by taking the device as an example of switching from the off state to the on state, when the moving block 201 moves forwards and is switched from the off state to the combined state for use, the position block 203 moves forwards synchronously along with the moving block 201, when the position block 203 is in the front middle period of the inclined edge extrusion of the guide stop 1011, because the position block 203 and the movable contact block 202 are still integrated at this time, the position block 203 can drive the movable contact block 202 to move synchronously to one side of the fixed contact block 103 after being extruded, when the movable contact block 202 is in contact with the fixed contact block 103, the moving block 201 can move forwards continuously, so that at the later stage when the position block 203 moves along with the moving block 201, the position block 203 can still be extruded to one side of the fixed contact block 103 by the inclined edge of the guide stop 1011 to move synchronously with the movable contact block 202, at this time, the movable contact block 202 can not move synchronously along with the movable contact block 203 because the movable contact block 202 can move synchronously along with the fixed contact block 2032 (namely, the integral relation between the position block 203 and the movable contact block 202 can be extruded, so that the pressure of the movable contact block 202 and the fixed contact block 202 can be increased when the movable contact block 202 is synchronously.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (9)
1. The temperature-indicating opening and closing type disconnecting link with the fixed contact and the insulating sheath is characterized by comprising a mounting assembly (1), wherein the mounting assembly (1) comprises a mounting base (101), two connecting conductive columns (102) and a static contact block (103), the mounting base (101) is fixedly mounted at the top of an electric power support, the two connecting conductive columns (102) are respectively and fixedly mounted at two sides of the top of the mounting base (101), and the static contact block (103) is fixedly mounted at the top of the mounting base (101); the switching assembly (2) comprises a moving block (201), a movable contact block (202) and a position block (203), the moving block (201) is inserted into the top of the mounting base (101), the movable contact block (202) is inserted into the side face of the moving block (201), and the position block (203) is inserted into the moving block (201); the opposite side surfaces of the static contact block (103) and the movable contact block (202) are provided with conducting strips, and the two conducting strips are respectively connected with the two connecting conducting columns (102); drive assembly (3), drive assembly (3) are including drive wheel (301) and control lever (302), drive wheel (301) rotate to be connected in the inside of installation base (101), and control lever (302) are pegged graft in the inside of installation base (101).
2. The switch-on type knife switch with fixed contact and insulating sheath showing temperature as claimed in claim 1, wherein: the side of the movable contact block (202) is provided with a positioning column (2021), the side of the position block (203) is provided with an integral rod (2031), the positioning column (2021) is inserted into the movable block (201), the integral rod (2031) is inserted into the positioning column (2021), the inner part of the positioning column (2021) is provided with an integral groove (2022), the front end of the integral rod (2031) is provided with a synchronizing block (2032), the cross sections of the synchronizing block (2032) and the positioning column (2021) are both of a polygon shape, and the synchronizing block (2032) is inserted into the inner part of the integral groove (2022).
3. The switch-on type knife switch with fixed contact and insulating sheath showing temperature as claimed in claim 2, wherein: an internal force top spring (2033) is arranged inside the integral rod (2031), and two ends of the internal force top spring (2033) are respectively and fixedly connected inside the integral rod (2031) and inside the positioning column (2021).
4. The fixed contact insulating sheath temperature indicating on-off type disconnecting link of claim 2, characterized in that: a disengaging top spring (2034) is sleeved outside the integral rod (2031), and two ends of the disengaging top spring (2034) are respectively and fixedly connected to the inside of the position block (203) and the side surface of the moving block (201).
5. The switch-on type knife switch with fixed contact and insulating sheath showing temperature as claimed in claim 1, wherein: the top of installation base (101) is equipped with direction dog (1011), and the middle part block of direction dog (1011) designs for the slope, and the block shape of position piece (203) is right trapezoid, and the hypotenuse of position piece (203) and the block of direction dog (1011) middle part slope contact each other.
6. The fixed contact insulating sheath temperature indicating on-off type disconnecting link of claim 1, characterized in that: the bottom of the moving block (201) is provided with a track block (2011) with a T-shaped section, a track groove (1012) is formed in the mounting base (101), and the track block (2011) is inserted into the track groove (1012).
7. The switch-on type knife switch with fixed contact and insulating sheath showing temperature as claimed in claim 1, wherein: the switching assembly (2) further comprises two spring seats (204), one spring seat (204) is rotatably connected to the side face of the moving block (201), the other spring seat (204) is rotatably connected to the inside of the mounting base (101), a positioning top spring (2041) is arranged between the two spring seats (204), and two ends of the positioning top spring (2041) are respectively and fixedly connected to the inside of the two spring seats (204).
8. The switch-on type knife switch with fixed contact and insulating sheath showing temperature as claimed in claim 1, wherein: the side of the moving block (201) is provided with a linkage rod (2012), the side of the driving wheel (301) is provided with a linkage groove (3011), and the linkage rod (2012) is inserted into the linkage groove (3011).
9. The switch-on type knife switch with fixed contact and insulating sheath showing temperature as claimed in claim 1, wherein: the side of the control rod (302) is provided with a switching rack (3021), a switching gear (3012) is arranged outside the driving wheel (301), and gear teeth of the switching rack (3021) and the switching gear (3012) are meshed for transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211227857.8A CN115440532B (en) | 2022-10-09 | 2022-10-09 | Wen Kaige type knife switch with static contact insulating sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211227857.8A CN115440532B (en) | 2022-10-09 | 2022-10-09 | Wen Kaige type knife switch with static contact insulating sheath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115440532A true CN115440532A (en) | 2022-12-06 |
| CN115440532B CN115440532B (en) | 2024-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211227857.8A Active CN115440532B (en) | 2022-10-09 | 2022-10-09 | Wen Kaige type knife switch with static contact insulating sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115440532B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107039195A (en) * | 2017-03-31 | 2017-08-11 | 宁波安德奥电力设备有限公司 | Linear permanent magnet vacuum load ratio bridging switch |
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|---|---|
| CN115440532B (en) | 2024-08-27 |
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