CN209804471U - Parallel switch - Google Patents

Parallel switch Download PDF

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Publication number
CN209804471U
CN209804471U CN201920984146.2U CN201920984146U CN209804471U CN 209804471 U CN209804471 U CN 209804471U CN 201920984146 U CN201920984146 U CN 201920984146U CN 209804471 U CN209804471 U CN 209804471U
Authority
CN
China
Prior art keywords
fixedly connected
insulator
blade
contact
wiring board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920984146.2U
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Chinese (zh)
Inventor
刘通
赵康
刘赵浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengte Electric Co Ltd
Original Assignee
Hengte Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hengte Electric Co Ltd filed Critical Hengte Electric Co Ltd
Priority to CN201920984146.2U priority Critical patent/CN209804471U/en
Application granted granted Critical
Publication of CN209804471U publication Critical patent/CN209804471U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a parallel switch, including installation chassis, isolator fixed connection is on the installation chassis, isolator is including base, an insulator, No. two insulators, No. three insulators, runing rest, wiring board, No. two wiring boards, switch, No. one insulator of fixedly connected with and No. three insulators are distinguished at the base both ends, No. one insulator top hinged joint has the switch, base middle part hinged joint has the runing rest, runing rest upper end fixedly connected with connecting rod, the connecting rod is connected with the runing rest on the multiunit isolator in proper order, No. two insulators of connecting rod upper end fixedly connected with, No. three insulator top fixedly connected with static contacts. The utility model discloses have simple structure, safe in utilization, can reduce electric arc, and the better beneficial effect of synchronization effect, its mainly used high-voltage circuit switch.

Description

parallel switch
Technical Field
The utility model belongs to the technical field of electrical equipment, especially, relate to a parallel switch.
background
an isolating switch is an electrical device commonly used in electrical circuits for changing the electrical circuit connections or isolating lines or equipment from a power source, and usually can change its on and off states by a front operation or a side operation. In order to adapt to different power utilization systems, two isolating switches can be connected in parallel to form a parallel switch so as to simultaneously cut off or connect two paths of power supplies.
However, the existing parallel switch has the following defects: firstly, the two isolating switches are driven by various driving devices respectively, and the two isolating switches cannot realize a perfect synchronous opening and closing effect; in addition, the existing disconnecting switch is easy to generate electric arcs in the opening and closing process, and has certain danger for operators.
SUMMERY OF THE UTILITY MODEL
The utility model provides a parallel switch aims at solving above-mentioned existence and can not realize perfect synchronous effect and isolator that open and shut and produce electric arc easily at the in-process that opens and shuts, has certain dangerous problem to operating personnel.
the utility model is realized in such a way, a parallel switch comprises an installation underframe and a disconnecting switch, wherein the disconnecting switch is provided with a plurality of groups, a plurality of groups of disconnecting switches are evenly arranged and are fixedly connected with each other in parallel on the installation underframe, the disconnecting switch comprises a base, a first insulator, a second insulator, a third insulator, a rotating bracket, a first wiring board, a second wiring board, a disconnecting link and a current-conducting plate, the base is fixedly connected on the installation underframe, two ends of the upper surface of the base are respectively and fixedly connected with the first insulator and the third insulator, the top end of the first insulator is fixedly connected with the first wiring board, one end of the first wiring board is fixedly connected with a hinge part, the hinge part is of a U-shaped plate structure, the hinge part is connected with the disconnecting link through a fastening bolt hinge, the disconnecting link comprises a left blade and a right blade which are arranged in a mirror image, the two ends of the disconnecting link are fixed with the left blade and the right blade through the fastening bolts, the conductive plate is arranged between the left blade and the right blade, the middle part of the base is hinged with the rotating bracket, the upper end of the rotating bracket is fixedly connected with a connecting rod, the connecting rod is sequentially connected with a plurality of groups of rotating brackets on the isolating switches, the upper end of the connecting rod corresponding to each group of isolating switches is fixedly connected with a group of second insulators, the top ends of the second insulators are fixedly connected with a fixed plate, the upper end of the fixed plate penetrates through a gap between the left blade and the right blade and can slide freely in the gap, the top ends of the third insulators are fixedly connected with a second wiring board, the upper surface of the second wiring board is fixedly connected with a static contact, and the static contact is in a trapezoidal plate-shaped structure, and the edges of two sides of the static contact are respectively connected with the inner side surfaces of the left blade and the right blade in an abutting mode, and the surface of one end of the static contact is connected with the tail end of the current-conducting plate in an abutting mode.
It is provided with several groups of fixing bolt to link up on the switch, fixing bolt runs through respectively left blade, current conducting plate, right blade, the current conducting plate with all cup joint on the fixing bolt between left blade, the right blade and be connected with the fixed sleeving, just the fixed plate sets up wherein two sets of between the fixing bolt.
The bottom of the connecting rod is fixedly connected with two groups of first bottom plates which are symmetrically arranged, one side of the installation bottom frame corresponding to the first bottom plate is fixedly connected with a second bottom plate, a sliding hole is formed in the second bottom plate, a sliding rod is slidably connected in the sliding hole, and one end of the sliding rod is connected with the first bottom plate through a hinge.
Fixedly connected with stopper on the slide bar, the stopper with cup joint on the slide bar between No. two bottom plates and be connected with a spring, a spring one end with the stopper is contradicted and is connected, a spring other end with No. two bottom plates are contradicted and are connected.
The last cup joint of fastening bolt is connected with No. two springs, No. two spring one end with correspond fastening bolt's nut is contradicted and is connected, two sets of No. two spring the other end respectively correspond with the outside of hinge portion one side and left blade or right blade is contradicted and is connected.
And the inner sides of the left blade and the right blade corresponding to the static contact are fixedly connected with contact blocks, the contact blocks are in contact connection with the static contact, and the contact surfaces are arranged to be inclined surface structures corresponding to the static contact.
The fixed contact and the second wiring board are arranged in an elastic connection mode.
The outside fixedly connected with steel sheet of left side blade or right blade, steel sheet one end fixedly connected with billet, No. two wiring board one side fixed connection multiunit have the contact strip, be provided with the clearance between the contact strip, the billet can set up in the clearance and with the contact strip is contradicted and is connected.
Compared with the prior art, the beneficial effects of the utility model are that: the device can control the opening and closing of the isolating switch through the rotation of the second insulator, so that the use safety of operators is improved; the contact surface of the moving contact and the static contact can be enlarged through the conductive plate arranged in the device, so that poor contact is prevented, and the generation of electric arcs can be reduced; a plurality of parallelly connected isolator can be controlled simultaneously through the connecting rod that is provided with, easy operation, synchronous operation effect are better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram illustrating a detail structure of part A0 in FIG. 1;
Fig. 3 is a schematic diagram of the structure of the isolating switch of the present invention.
In the figure: the mounting structure comprises a mounting underframe 1, a base 2, a first insulator 3, a second insulator 4, a third insulator 5, a rotating bracket 6, a first wiring board 7, a second wiring board 8, a disconnecting link 9, a conductive plate 10, a hinge part 11, a fastening bolt 12, a left blade 13, a right blade 14, a connecting rod 15, a fixing plate 16, a fixed contact 17, a fixing bolt 18, a first bottom plate 19, a second bottom plate 20, a sliding rod 21, a limiting block 22, a first spring 23 and a second spring 24.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides a technical solution: a parallel switch comprises an installation underframe 1 and isolating switches, wherein the isolating switches are provided with a plurality of groups, the groups of isolating switches are uniformly arranged and are mutually parallel and fixedly connected to the installation underframe 1, each isolating switch comprises a base 2, a first insulator 3, a second insulator 4, a third insulator 5, a rotating bracket 6, a first wiring board 7, a second wiring board 8, a disconnecting link 9 and a conducting plate 10, the base 2 is fixedly connected to the installation underframe 1, two ends of the upper end surface of the base 2 are respectively and fixedly connected with the first insulator 3 and the third insulator 5, the top end of the first insulator 3 is fixedly connected with the first wiring board 7, one end of the first wiring board 7 is fixedly connected with a hinge part 11, the hinge part 11 is of a U-shaped plate structure, the hinge part 11 is hinged with a disconnecting link 9 through a fastening bolt 12, the disconnecting link 9 comprises a left blade 13 and a right blade 14 which are arranged in a mirror image mode, two ends of the disconnecting link 9 are both used for fixing the left blade 13 and the, a current-conducting plate 10 is arranged between the left blade 13 and the right blade 14, the middle part of the base 2 is hinged with a rotating bracket 6, the upper end of the rotating bracket 6 is fixedly connected with a connecting rod 15, the connecting rod 15 is sequentially connected with the rotating bracket 6 on a plurality of groups of isolating switches, the upper end of the connecting rod 15 corresponding to each group of isolating switches is fixedly connected with a group of second insulators 4, the top end of each second insulator 4 is fixedly connected with a fixed plate 16, the upper end of each fixed plate 16 passes through the gap between the left blade 13 and the right blade 14, and can relatively freely slide in the gap, the top end of the third insulator 5 is fixedly connected with a second wiring board 8, the upper end surface of the second wiring board 8 is fixedly connected with a static contact 17, the static contact 17 is in a trapezoidal plate-shaped structure, and the edges of two sides of the static contact 17 are respectively connected with the inner side surfaces of the left blade 13 and the right blade 14 in an abutting mode, and the surface of one end of the static contact 17 is connected with the tail end of the current conducting plate 10 in an abutting mode.
In the utility model, several groups of fixing bolts 18 are arranged on the disconnecting link 9 in a run-through manner, the fixing bolts 18 respectively run through the left blade 13, the current-conducting plate 10 and the right blade 14, the fixing bolts 18 between the current-conducting plate 10 and the left blade 13 and the right blade 14 are all connected with fixing sleeves in a sleeved manner, and the fixing plate 16 is arranged between two groups of fixing bolts 18 and is used for enhancing the connection stability among the left blade 13, the current-conducting plate 10 and the right blade 14;
The bottom of the connecting rod 15 is fixedly connected with two groups of first bottom plates 19 which are symmetrically arranged, one side of the mounting underframe 1 corresponding to the first bottom plate 19 is fixedly connected with a second bottom plate 20, the second bottom plate 20 is provided with a sliding hole, a sliding rod 21 is slidably connected in the sliding hole, and one end of the sliding rod 21 is connected with the first bottom plate 19 through a hinge;
A limiting block 22 is fixedly connected to the sliding rod 21, a first spring 23 is connected to the sliding rod 21 between the limiting block 22 and the second bottom plate 20 in a sleeved mode, one end of the first spring 23 is connected with the limiting block 22 in an abutting mode, the other end of the first spring 23 is connected with the second bottom plate 20 in an abutting mode, the connection between the disconnecting link 9 and the static contact 17 is enhanced, and good contact performance after switching-on is guaranteed;
A second spring 24 is connected to the fastening bolt 12 in a sleeved manner, one end of each second spring 24 is in abutting connection with a nut of the corresponding fastening bolt 12, and the other ends of the two sets of second springs 24 are in abutting connection with one side of the hinge part 11 and the outer side of the left blade 13 or the right blade 14 correspondingly and respectively, so that the contact between the disconnecting link 9 and the hinge part 11 and the contact between the disconnecting link and the current conducting plate 10 are enhanced, and good circuit contact is ensured;
The inner sides of the left blade 13 and the right blade 14 corresponding to the static contact 17 are fixedly connected with contact blocks, the contact blocks are in contact connection with the static contact 17, and the contact surfaces are arranged to be inclined surface structures corresponding to the static contact 17 and used for strengthening the contact surfaces of the disconnecting link 9 and the static contact 17, so that the smoothness of a circuit is ensured, and the generation of electric arcs is reduced when the disconnecting link is switched on and switched off;
The static contact 17 and the second wiring board 8 are elastically connected, so that a gap is formed between the disconnecting link 9 and two sides of the static contact 17 when the conducting plate 10 is contacted with the end face of the static contact 17, and the conducting effect is not influenced;
The outside fixedly connected with steel sheet of left blade 13 or right blade 14, steel sheet one end fixedly connected with billet, No. two 8 one sides fixed connection multiunit of wiring board have the contact strip, are provided with the clearance between the contact strip, and the billet can set up in the clearance and contradict with the contact strip and be connected for further eliminate electric arc.
the utility model discloses a theory of operation does: firstly, cables are correspondingly connected with a first wiring board 7 and a second wiring board 8, the rotating angle of the rotating support 6 on the base 2 is controlled by the fact that the sliding rod 21 stretches in the sliding hole, and therefore the rotating angle of the second insulator 4 is controlled, the second insulator 4 can rotate to drive the disconnecting link 9 to rotate around the hinge portion 11, and therefore opening and closing between the disconnecting link 9 and the static contact 17 are controlled.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides a parallel switch, includes installation chassis, isolator, its characterized in that: the isolating switch is provided with a plurality of groups, the isolating switches are uniformly arranged and are fixedly connected to the installation underframe in parallel, the isolating switch comprises a base, a first insulator, a second insulator, a third insulator, a rotating bracket, a first wiring board, a second wiring board, a disconnecting link and a current conducting plate, the base is fixedly connected to the installation underframe, the two ends of the upper surface of the base are respectively and fixedly connected with the first insulator and the third insulator, the top end of the first insulator is fixedly connected with the first wiring board, one end of the first wiring board is fixedly connected with a hinge part, the hinge part is of a U-shaped plate structure, the hinge part is connected with the disconnecting link through a fastening bolt hinge, the disconnecting link comprises a left blade and a right blade which are arranged in a mirror image mode, and the two ends of the disconnecting link are both fixed with the left blade and the right blade through the fastening bolt, the current-conducting plate is arranged between the left blade and the right blade, the rotating bracket is hinged to the middle of the base, the upper end of the rotating bracket is fixedly connected with a connecting rod, the connecting rod is sequentially connected with a plurality of groups of rotating brackets on the isolating switches, the upper end of the connecting rod corresponding to each group of isolating switches is fixedly connected with a group of second insulators, the top end of each second insulator is fixedly connected with a fixed plate, the upper end of each fixed plate penetrates through a gap between the left blade and the right blade and can slide freely in the gap, the top end of each third insulator is fixedly connected with a second wiring board, the upper end surface of each second wiring board is fixedly connected with a static contact, the static contact is in a trapezoidal plate-shaped structure, and two side edges of the static contact are respectively connected with the inner side surfaces of the left blade and the right blade in, and one end surface of the static contact is connected with the tail end of the current conducting plate in an abutting mode.
2. a parallel switch according to claim 1, wherein: it is provided with several groups of fixing bolt to link up on the switch, fixing bolt runs through respectively left blade, current conducting plate, right blade, the current conducting plate with all cup joint on the fixing bolt between left blade, the right blade and be connected with the fixed sleeving, just the fixed plate sets up wherein two sets of between the fixing bolt.
3. A parallel switch according to claim 1, wherein: the bottom of the connecting rod is fixedly connected with two groups of first bottom plates which are symmetrically arranged, one side of the installation bottom frame corresponding to the first bottom plate is fixedly connected with a second bottom plate, a sliding hole is formed in the second bottom plate, a sliding rod is slidably connected in the sliding hole, and one end of the sliding rod is connected with the first bottom plate through a hinge.
4. A parallel switch according to claim 3, wherein: fixedly connected with stopper on the slide bar, the stopper with cup joint on the slide bar between No. two bottom plates and be connected with a spring, a spring one end with the stopper is contradicted and is connected, a spring other end with No. two bottom plates are contradicted and are connected.
5. a parallel switch according to claim 1, wherein: the last cup joint of fastening bolt is connected with No. two springs, No. two spring one end with correspond fastening bolt's nut is contradicted and is connected, two sets of No. two spring the other end respectively correspond with the outside of hinge portion one side and left blade or right blade is contradicted and is connected.
6. A parallel switch according to claim 1, wherein: and the inner sides of the left blade and the right blade corresponding to the static contact are fixedly connected with contact blocks, the contact blocks are in contact connection with the static contact, and the contact surfaces are arranged to be inclined surface structures corresponding to the static contact.
7. A parallel switch according to claim 1, wherein: the fixed contact and the second wiring board are arranged in an elastic connection mode.
8. a parallel switch according to claim 1, wherein: the outside fixedly connected with steel sheet of left side blade or right blade, steel sheet one end fixedly connected with billet, No. two wiring board one side fixedly connected with multiunit contact strips, be provided with the clearance between the contact strip, the billet can set up in the clearance and with the contact strip is contradicted and is connected.
CN201920984146.2U 2019-06-27 2019-06-27 Parallel switch Expired - Fee Related CN209804471U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920984146.2U CN209804471U (en) 2019-06-27 2019-06-27 Parallel switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920984146.2U CN209804471U (en) 2019-06-27 2019-06-27 Parallel switch

Publications (1)

Publication Number Publication Date
CN209804471U true CN209804471U (en) 2019-12-17

Family

ID=68817639

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920984146.2U Expired - Fee Related CN209804471U (en) 2019-06-27 2019-06-27 Parallel switch

Country Status (1)

Country Link
CN (1) CN209804471U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191217

Termination date: 20210627