CN112289639A - Arc-proof shockproof relay - Google Patents

Arc-proof shockproof relay Download PDF

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Publication number
CN112289639A
CN112289639A CN202011369500.4A CN202011369500A CN112289639A CN 112289639 A CN112289639 A CN 112289639A CN 202011369500 A CN202011369500 A CN 202011369500A CN 112289639 A CN112289639 A CN 112289639A
Authority
CN
China
Prior art keywords
connecting rod
telescopic
relay
cavity
fixedly connected
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.)
Withdrawn
Application number
CN202011369500.4A
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Chinese (zh)
Inventor
彭俊可
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.)
Yueqing Chong Astronomical Appliances Co ltd
Original Assignee
Yueqing Chong Astronomical Appliances 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 Yueqing Chong Astronomical Appliances Co ltd filed Critical Yueqing Chong Astronomical Appliances Co ltd
Priority to CN202011369500.4A priority Critical patent/CN112289639A/en
Publication of CN112289639A publication Critical patent/CN112289639A/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Contacts (AREA)

Abstract

The invention discloses an arc and shock resistant relay, which comprises a shell, wherein an inner cavity is arranged in the shell, a relay shell which slides up and down is arranged at the upper side in the inner cavity, a relay mechanism is arranged in the relay shell, a damping mechanism positioned in the inner cavity is arranged at the lower side of the relay shell, the damping mechanism comprises symmetrical slider shaft fixing blocks fixed on the left wall and the right wall of the inner cavity, a slider shaft is fixedly connected between the two slider shaft fixing blocks, the connecting rod fixing block is fixedly connected with the lower end face of the relay shell, the invention can pump out the gas in the working cavity of the relay to form a space approximate to vacuum, can effectively prevent the generation of electric arc, is provided with the arc extinguishing grid beside the contact point when the relay is powered on, can prevent the generation of the electric arc to the maximum extent, meanwhile, a damping mechanism is further installed in the device, so that the relay which can effectively enable the working environment to vibrate strongly is not influenced or reduced by vibration.

Description

Arc-proof shockproof relay
Technical Field
The invention relates to the field of relays, in particular to an arc-proof and shock-proof relay.
Background
The relay is a switch which controls large current operation through small current, the common relay may generate electric arc between contact points during use, the contact points are easy to be ablated and bonded when the electric arc is generated due to heat effect of the electric arc, electromagnetic radiation is generated when the electric arc is generated to influence surrounding equipment, meanwhile, the relay is applied to many devices around, such as automobiles and the like, the devices generate large vibration during operation, and the relay installed in the devices is easy to be damaged due to the vibration. The invention discloses an arc-proof and shock-proof relay which can solve the problems.
Disclosure of Invention
The arc-proof and shock-proof relay comprises a shell, an inner cavity is arranged in the shell, a relay shell which slides up and down is arranged on the upper side in the inner cavity, a relay mechanism is arranged in the relay shell, a damping mechanism which is positioned in the inner cavity is arranged on the lower side of the relay shell, the damping mechanism comprises symmetrical slider shaft fixing blocks which are fixed on the left wall and the right wall of the inner cavity, a slider shaft is fixedly connected between the two slider shaft fixing blocks, a connecting rod fixing block is fixedly connected with the lower end face of the relay shell, connecting rods are rotatably connected with the front end face and the rear end face of the connecting rod fixing block, sliders which can slide left and right are sleeved on the outer circular face of the slider shaft in a bilateral symmetry manner, the rear end face of the right slider is rotatably connected with the rear side of the connecting rod fixing block, and the front end of the left slider is rotatably connected with the front side of the connecting, the utility model discloses an air exhaust device, including inner chamber, right electromagnet cavity, connecting rod chamber, air exhaust mechanism, air exhaust plate chamber, inner chamber upside intercommunication and be equipped with the telescopic link chamber, the telescopic link intracavity is equipped with extension mechanism, the inner chamber right side is equipped with air exhaust mechanism, air exhaust mechanism is including locating the right electromagnet cavity on inner chamber right side, gliding sliding plate about can locating in the right electromagnet cavity, right electromagnet cavity upside intercommunication is equipped with the connecting rod chamber, connecting rod chamber upside intercommunication is equipped with the air discharge plate chamber, the air discharge plate intracavity is equipped with gliding air discharge plate about can, the connecting rod upper end extend to the air discharge plate intracavity and with air discharge plate lower extreme fixed connection, the connecting rod lower extreme extend to right electromagnet intracavity and with sliding plate upper end fixed connection.
Preferably, a slider shaft fixing block spring is fixedly connected between the upper end face of the slider shaft fixing block and the lower end face of the relay shell, and a slider spring is fixedly connected between the end face of the slider, which is close to the slider shaft fixing block, and the end face of the slider, which is close to the slider, of the slider shaft fixing block.
Preferably, the front end face and the rear end face of the connecting rod fixing block are rotatably connected with an upper connecting rod shaft, the outer circular face of the upper connecting rod shaft is fixedly connected with the connecting rod, the rear end face of the sliding block is rotatably connected with a lower connecting rod shaft, the outer circular face of the lower connecting rod shaft is fixedly connected with the rear side of the connecting rod fixing block, and the outer circular face of the lower connecting rod shaft is fixedly connected with the front side of the connecting rod fixing block.
Preferably, the relay mechanism comprises a relay cavity arranged in the relay shell, a left fixed block is fixedly connected to the left wall of the relay cavity, a sleeve shaft is fixedly connected to the upper end face of the left fixed block, a sleeve capable of sliding up and down is sleeved on the outer circular face of the sleeve shaft, a sleeve fixed block is fixedly connected to the right end of the sleeve, a sleeve spring is fixedly connected between the upper end face of the sleeve fixed block and the upper wall of the relay cavity, an upper contact block is fixedly connected to the lower end face of the sleeve fixed block, a right fixed block is fixedly connected to the right wall of the relay cavity, a lower contact block is fixedly connected to the upper end face of the right fixed block, a left electromagnet fixed to the lower wall of the relay cavity is arranged between the left fixed block and the right fixed block, a rear fixed block located on the lower side of the sleeve fixed block is fixedly connected to the, the upper side of the relay cavity is communicated with a communicating hole.
Preferably, the extension mechanism comprises a telescopic rod capable of sliding up and down in a telescopic rod cavity, a telescopic rod cavity with a downward opening is arranged on the lower side of the telescopic rod, a telescopic connecting rod capable of sliding up and down is arranged in the telescopic connecting rod cavity, a telescopic sliding block cavity is communicated with the upper side of the telescopic connecting rod cavity, a telescopic sliding block capable of sliding up and down is arranged in the telescopic sliding block cavity, and the upper end of the telescopic connecting rod extends to the inner side of the telescopic sliding block cavity and is fixedly connected with the lower end face of the telescopic sliding block.
Preferably, telescopic link holes which penetrate through the telescopic link from top to bottom are formed in the telescopic link, the telescopic link holes are communicated with the communication holes, the lower end of the telescopic link extends into the telescopic link cavity and is fixedly connected with the upper end of the relay shell, telescopic sliding block holes which penetrate through the telescopic link from top to bottom are formed in the telescopic sliding blocks, the telescopic sliding block holes are communicated with the telescopic link holes, telescopic link holes are formed in the upper side of the telescopic sliding block cavity in a communicated mode, and the telescopic link holes are communicated with the telescopic sliding block holes.
Preferably, the upper side of the telescopic rod cavity is communicated with an upper communicating hole, the right side of the upper communicating hole is communicated with a middle connecting hole, the upper side of the middle connecting hole is communicated with an air inlet closed plate cavity, the front and rear walls of the left side of the air inlet closed plate cavity are rotatably connected with an air inlet closed plate, the right side of the middle connecting hole is communicated with an air inlet hole, the lower side of the air inlet hole is communicated with an air outlet plate cavity, the upper side of the air outlet plate cavity is communicated with an air outlet hole, the right side of the air outlet hole is communicated with an air outlet closed plate cavity, the front and rear walls of the lower side of the air outlet closed plate cavity are rotatably connected with an air outlet closed plate, the lower wall of the right electromagnet cavity is fixedly connected.
The invention has the beneficial effects that: the invention can pump out the gas in the relay working cavity to form a space approximate to vacuum, which can effectively prevent the generation of electric arc, and the arc-extinguishing grid is arranged beside the contact point when the relay working cavity is communicated, thereby preventing the generation of electric arc to the maximum extent.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
FIG. 3 is an enlarged schematic view of B of FIG. 1;
FIG. 4 is an enlarged schematic view of C in FIG. 1;
fig. 5 is an enlarged schematic view of D in fig. 2.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to an arc-proof and shock-proof relay, which comprises a shell 11, wherein an inner cavity 27 is arranged in the shell 11, a relay shell 33 which slides up and down is arranged at the inner upper side of the inner cavity 27, a relay mechanism 102 is arranged in the relay shell 33, a damping mechanism 101 which is positioned in the inner cavity 27 is arranged at the lower side of the relay shell 33, the damping mechanism 101 comprises symmetrical slider shaft fixing blocks 39 which are fixed on the left wall and the right wall of the inner cavity 27, a slider shaft 54 is fixedly connected between the two slider shaft fixing blocks 39, a connecting rod fixing block 51 is fixedly connected with the lower end surface of the relay shell 33, connecting rods 52 are rotatably connected with the front end surface and the rear end surface of the connecting rod fixing block 51, sliders 53 which can slide left and right are sleeved on the outer circular surface of the slider shaft 54 in a left-right symmetrical mode, the rear end surface, the front end of the left slide block 53 is rotatably connected with the connecting rod 52 at the front side of the connecting rod fixing block 51, the upper side of the inner cavity 27 is communicated with a telescopic rod cavity 45, an extension mechanism 104 is arranged in the telescopic rod cavity 45, the right side of the inner cavity 27 is provided with an air exhaust mechanism 103, the air exhaust mechanism 103 comprises a right electromagnet cavity 25 arranged on the right side of the inner cavity 27, a sliding plate 23 capable of sliding up and down is arranged in the right electromagnet cavity 25, a connecting rod cavity 22 is communicated with the upper side of the right electromagnet cavity 25, the connecting rod cavity 22 can be arranged on a connecting rod 19 which can slide up and down, the upper side of the connecting rod cavity 22 is communicated with an exhaust plate cavity 18, an exhaust plate 17 capable of sliding up and down is arranged in the exhaust plate cavity 18, the upper end of the connecting rod 19 extends into the exhaust plate cavity 18 and is fixedly connected with the lower end of the exhaust plate 17, the lower end of the connecting rod 19 extends into the right electromagnet cavity 25 and is fixedly connected with the upper end of the sliding plate 23.
Advantageously, a slider shaft fixing block spring 57 is fixedly connected between the upper end face of the slider shaft fixing block 39 and the lower end face of the relay case 33, and a slider spring 55 is fixedly connected between an end face of the slider 53 close to the slider shaft fixing block 39 and an end face of the slider shaft fixing block 39 close to the slider 53.
Beneficially, the front and rear end surfaces of the connecting rod fixing block 51 are rotatably connected with an upper connecting rod shaft 56, the outer circular surface of the upper connecting rod shaft 56 is fixedly connected with the connecting rod 52, the rear end surface of the right side slide block 53 is rotatably connected with the front end surface of the left side slide block 53 by a lower connecting rod shaft 58, the outer circular surface of the right side lower connecting rod shaft 58 is fixedly connected with the connecting rod 52 at the rear side of the connecting rod fixing block 51, and the outer circular surface of the left side lower connecting rod shaft 58 is fixedly connected with the connecting rod 52 at the front side of the connecting.
Beneficially, the relay mechanism 102 includes a relay cavity 30 disposed in the relay housing 33, a left fixed block 28 is fixedly connected to the left wall of the relay cavity 30, a sleeve shaft 32 is fixedly connected to the upper end face of the left fixed block 28, a sleeve 31 capable of sliding up and down is sleeved on the outer circular face of the sleeve shaft 32, a sleeve fixed block 35 is fixedly connected to the right end of the sleeve 31, a sleeve spring 34 is fixedly connected between the upper end face of the sleeve fixed block 35 and the upper wall of the relay cavity 30, an upper contact block 20 is fixedly connected to the lower end face of the sleeve fixed block 35, a right fixed block 40 is fixedly connected to the right wall of the relay cavity 30, a lower contact block 21 is fixedly connected to the upper end face of the right fixed block 40, a left electromagnet 29 fixed to the lower wall of the relay cavity 30 is disposed between the left fixed block 28 and the right fixed block 40, and a rear fixed block 37 fixed to the, the front end surface array of the rear fixed block 37 is fixedly connected with arc extinguishing grid pieces 36, and the upper side of the relay cavity 30 is communicated with a communication hole 41.
Beneficially, the extending mechanism 104 includes a telescopic rod 42 capable of sliding up and down in the telescopic rod cavity 45, a telescopic link cavity 46 with a downward opening is arranged at the lower side of the telescopic rod 42, a telescopic link rod 48 capable of sliding up and down is arranged in the telescopic link cavity 46, a telescopic slider cavity 44 is communicated with the upper side of the telescopic link cavity 46, a telescopic slider 43 capable of sliding up and down is arranged in the telescopic slider cavity 44, and the upper end of the telescopic link rod 48 extends into the telescopic slider cavity 44 and is fixedly connected with the lower end face of the telescopic slider 43.
Beneficially, an up-down penetrating telescopic connecting rod hole 47 is formed in the telescopic connecting rod 48, the telescopic connecting rod hole 47 is communicated with the communicating hole 41, the lower end of the telescopic connecting rod 48 extends into the telescopic rod cavity 45 and is fixedly connected with the upper end of the relay shell 33, an up-down penetrating telescopic sliding block hole 49 is formed in the telescopic sliding block 43, the telescopic sliding block hole 49 is communicated with the telescopic connecting rod hole 47, a telescopic rod hole 50 is formed in the upper side of the telescopic sliding block cavity 44 in a communicated mode, and the telescopic rod hole 50 is communicated with the telescopic sliding block hole 49.
Beneficially, the upper communication hole 38 is communicated with the upper side of the telescopic rod cavity 45, the right side of the upper communication hole 38 is communicated with the middle connecting hole 12, the upper side of the middle connecting hole 12 is communicated with the air inlet closed plate cavity 14, the front and rear walls of the left side of the air inlet closed plate cavity 14 are rotatably connected with the air inlet closed plate 13, the right side of the middle connecting hole 12 is communicated with the air inlet hole 15, the lower side of the air inlet hole 15 is communicated with the air exhaust plate cavity 18, the upper side of the air exhaust plate cavity 18 is communicated with the air outlet hole 16, the right side of the air outlet hole 16 is communicated with the air outlet closed plate cavity 59, the front and rear walls of the lower side of the air outlet closed plate cavity 59 are rotatably connected with the air outlet closed plate 60, the lower wall of the right electromagnet cavity 25 is fixedly connected with the right electromagnet.
The use steps herein are described in detail below with reference to fig. 1-5:
in the initial state, the relay case 33 is uppermost and the slide plate 23 is uppermost.
When the relay cavity 30 works, the electromagnet left 29 is electrified to generate suction to drive the sleeve fixing block 35 to descend, the sleeve fixing block 35 descends to drive the sleeve 31 to descend and drive the upper contact block 20 to descend, the upper contact block 20 descends to be in contact with the lower contact block 21 to be electrified, meanwhile, the right electromagnet 26 is electrified to generate suction to drive the sliding plate 23 to descend, the sliding plate 23 descends to drive the connecting rod 19 to descend and drive the exhaust plate 17 to descend, the exhaust plate 17 descends to enable gas in the relay cavity 30 to sequentially pass through the communication hole 41, the telescopic connecting rod hole 47, the telescopic sliding block hole 49, the telescopic rod hole 50, the upper communication hole 38, the middle connection hole 12 and the air inlet hole 15 to enter the exhaust plate cavity 18, and air in the relay cavity 30 is reduced to enable electric arcs between the upper contact.
When the left electromagnet 29 is powered off, the sleeve fixing block 35 rises under the action of the sleeve spring 34, the sleeve fixing block 35 rises to drive the sleeve 31 to rise and drive the upper contact block 20 to rise, the upper contact block 20 rises to be disconnected with the lower contact block 21, meanwhile, the right electromagnet 26 is powered off, the sliding plate 23 rises under the action of the sliding plate spring 24 and drives the connecting rod 19 to rise, the connecting rod 19 rises to drive the exhaust plate 17 to rise, and the exhaust plate 17 rises to discharge the gas in the exhaust plate cavity 18 through the gas outlet 16.
When the shell 11 is vibrated, the relay shell 33 descends to drive the connecting rod fixing block 51 to descend, the connecting rod fixing block 51 descends to drive the connecting rod 52 to expand left and right, the connecting rod 52 expands to drive the sliding block 53 to move towards a pilot close to the sliding block shaft fixing block 39, the sliding block 53 moves to compress the sliding block spring 55, the relay shell 33 moves to compress the sliding block shaft fixing block spring 57 to relieve vibration, and the sliding block 53 and the relay shell 33 are reset under the action of the sliding block spring 55 and the sliding block shaft fixing block spring 57.
The invention has the beneficial effects that: the invention can pump out the gas in the relay working cavity to form a space approximate to vacuum, which can effectively prevent the generation of electric arc, and the arc-extinguishing grid is arranged beside the contact point when the relay working cavity is communicated, thereby preventing the generation of electric arc to the maximum extent.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (7)

1. An arc and shock resistant relay comprising a housing, characterized in that: an inner cavity is arranged in the shell, a relay shell which slides up and down is arranged on the upper side in the inner cavity, a relay mechanism is arranged in the relay shell, a damping mechanism which is positioned in the inner cavity is arranged on the lower side of the relay shell, the damping mechanism comprises symmetrical slider shaft fixing blocks which are fixed on the left wall and the right wall of the inner cavity, a slider shaft is fixedly connected between the two slider shaft fixing blocks, a connecting rod fixing block is fixedly connected with the lower end surface of the relay shell, connecting rods are rotatably connected with the front end surface and the rear end surface of the connecting rod fixing block, sliders which can slide left and right are symmetrically sleeved on the outer circular surface of the slider shaft, the rear end surface of the slider on the right side is rotatably connected with the connecting rod on the rear side of the connecting rod fixing block, the front end of the slider on the left side is rotatably connected with the connecting rod on, the inner chamber right side is equipped with air exhaust mechanism, air exhaust mechanism is including locating the right side electro-magnet chamber on inner chamber right side, gliding sliding plate about can locating in the right side electro-magnet chamber, right side electro-magnet chamber upside intercommunication is equipped with the connecting rod chamber, gliding connecting rod about can locating in the connecting rod chamber, connecting rod chamber upside intercommunication is equipped with the air discharge plate chamber, the air discharge plate intracavity is equipped with gliding air discharge plate about can, the connecting rod upper end extend to the air discharge plate intracavity and with air discharge plate lower extreme fixed connection, the connecting rod lower extreme extend to right side electro-magnet intracavity and with sliding plate upper end fixed connection.
2. The arc and shock protection relay of claim 1, wherein: the sliding block shaft fixing block is characterized in that a sliding block shaft fixing block spring is fixedly connected between the upper end face of the sliding block shaft fixing block and the lower end face of the relay shell, and a sliding block spring is fixedly connected between the end face, close to the sliding block shaft fixing block, of the sliding block and the end face, close to the sliding block shaft fixing block, of the sliding block shaft fixing block.
3. The arc and shock protection relay of claim 1, wherein: the front end face and the rear end face of the connecting rod fixing block are rotatably connected with an upper connecting rod shaft, the outer circular face of the upper connecting rod shaft is fixedly connected with the connecting rod, the right side of the rear end face of the sliding block is rotatably connected with a lower connecting rod shaft, the right side of the outer circular face of the lower connecting rod shaft is fixedly connected with the rear side of the connecting rod fixing block, and the left side of the outer circular face of the lower connecting rod shaft is fixedly connected with the front side of the connecting rod fixing block.
4. The arc and shock protection relay of claim 1, wherein: the relay mechanism comprises a relay cavity arranged in the relay shell, a left fixed block is fixedly connected to the left wall of the relay cavity, a sleeve shaft is fixedly connected to the upper end face of the left fixed block, a sleeve capable of sliding up and down is sleeved on the outer circular face of the sleeve shaft, a sleeve fixed block is fixedly connected to the right end of the sleeve, a sleeve spring is fixedly connected between the upper end face of the sleeve fixed block and the upper wall of the relay cavity, an upper contact block is fixedly connected to the lower end face of the sleeve fixed block, a right fixed block is fixedly connected to the right wall of the relay cavity, a lower contact block is fixedly connected to the upper end face of the right fixed block, a left electromagnet fixed to the lower wall of the relay cavity is arranged between the left fixed block and the right fixed block, a rear fixed block positioned on the lower side of the sleeve fixed block is fixedly connected, the upper side of the relay cavity is communicated with a communicating hole.
5. The arc and shock protection relay of claim 1, wherein: the extension mechanism comprises a telescopic rod capable of sliding up and down in a telescopic rod cavity, a telescopic rod cavity with a downward opening is arranged on the lower side of the telescopic rod, a telescopic connecting rod capable of sliding up and down is arranged in the telescopic connecting rod cavity, a telescopic slider cavity is communicated with the upper side of the telescopic connecting rod cavity, a telescopic slider capable of sliding up and down is arranged in the telescopic slider cavity, and the upper end of the telescopic connecting rod extends to the inner side of the telescopic slider cavity and is fixedly connected with the lower end face of the telescopic slider.
6. The arc and shock protection relay of claim 5, wherein: the telescopic connecting rod is characterized in that a telescopic connecting rod hole which penetrates through the telescopic connecting rod from top to bottom is formed in the telescopic connecting rod, the telescopic connecting rod hole is communicated with the communicating hole, the lower end of the telescopic connecting rod extends into the telescopic rod cavity and is fixedly connected with the upper end of the relay shell, a telescopic sliding block hole which penetrates through the telescopic sliding block from top to bottom is formed in the telescopic sliding block, the telescopic sliding block hole is communicated with the telescopic connecting rod hole, a telescopic rod hole is communicated with the upper side of the telescopic sliding block cavity, and the telescopic rod hole is communicated with the telescopic sliding block.
7. The arc and shock protection relay of claim 1, wherein: the utility model discloses a telescopic link, including telescopic link chamber, last intercommunicating pore, even hole, well even hole upside intercommunication is equipped with the closed board chamber that admits air, the closed board chamber left side that admits air is preceding the back wall and is rotated and be connected with the closed board that admits air, well even hole right side intercommunication is equipped with the inlet port, the inlet port downside with exhaust plate chamber intercommunication, exhaust plate chamber upside intercommunication is equipped with the venthole, venthole right side intercommunication is equipped with the closed board chamber of giving vent to anger, the closed board chamber downside that gives vent to anger is preceding the back wall and is rotated and be connected with the closed board of giving vent to anger, right electro-magnet chamber lower wall fixedly connected with right electro-magnet, terminal surface under the sliding plate with fixedly.
CN202011369500.4A 2020-11-30 2020-11-30 Arc-proof shockproof relay Withdrawn CN112289639A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011369500.4A CN112289639A (en) 2020-11-30 2020-11-30 Arc-proof shockproof relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011369500.4A CN112289639A (en) 2020-11-30 2020-11-30 Arc-proof shockproof relay

Publications (1)

Publication Number Publication Date
CN112289639A true CN112289639A (en) 2021-01-29

Family

ID=74425856

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011369500.4A Withdrawn CN112289639A (en) 2020-11-30 2020-11-30 Arc-proof shockproof relay

Country Status (1)

Country Link
CN (1) CN112289639A (en)

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Application publication date: 20210129

WW01 Invention patent application withdrawn after publication