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CN113314365A - Switching device with good sealing performance - Google Patents

Switching device with good sealing performance Download PDF

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Publication number
CN113314365A
CN113314365A CN202110585782.XA CN202110585782A CN113314365A CN 113314365 A CN113314365 A CN 113314365A CN 202110585782 A CN202110585782 A CN 202110585782A CN 113314365 A CN113314365 A CN 113314365A
Authority
CN
China
Prior art keywords
bottom plate
sealing performance
door lock
switch device
good sealing
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.)
Granted
Application number
CN202110585782.XA
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Chinese (zh)
Other versions
CN113314365B (en
Inventor
王宏强
杨睿
吴益平
屈永胜
韩鸿云
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.)
Ningbo Lilong Electromechanical Co ltd
Original Assignee
Ningbo Changlong Machinery Electronics 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 Ningbo Changlong Machinery Electronics Co ltd filed Critical Ningbo Changlong Machinery Electronics Co ltd
Priority to CN202110585782.XA priority Critical patent/CN113314365B/en
Publication of CN113314365A publication Critical patent/CN113314365A/en
Application granted granted Critical
Publication of CN113314365B publication Critical patent/CN113314365B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers
    • H01H9/04Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02Bases, casings, or covers

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  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

The invention relates to a switch device with good sealing performance. The installation cavity of the existing switch device has poor sealing performance, and the use safety is influenced. The circuit switch assembly and the door lock assembly are arranged between the door lock bottom plate and the switch bottom plate, the door lock assembly comprises a fixed hook arranged on the door lock bottom plate and a movable hook arranged on the switch bottom plate, the circuit switch assembly comprises a shell arranged on the door lock bottom plate, an installation cavity isolated from the outside is arranged in the shell, a movable contact piece and two spring pieces which are independently separated from each other are arranged in the installation cavity, a transmission assembly is arranged on the shell, and when the movable hook swings and is connected and locked with the fixed hook, the movable hook drives the contact piece to move from an idle station to a conducting station through the transmission assembly, so that the spring pieces are electrically connected through the contact piece. Set up transmission assembly on the casing to set up the contact in the installation cavity, both promoted dustproof and waterproof effect, can also ensure to open light device and trigger the reliability.

Description

Switching device with good sealing performance
Technical Field
The invention relates to the field of elevators, in particular to a switching device.
Background
The existing landing door switching device for the elevator comprises a door lock bottom plate and a switch bottom plate which are separately arranged, a circuit switch assembly and a door lock assembly are arranged between the door lock bottom plate and the switch bottom plate, the door lock assembly comprises a fixed hook arranged on the door lock bottom plate and a movable hook arranged on the switch bottom plate, the circuit switch assembly comprises a shell arranged on the door lock bottom plate and a contact piece arranged on the movable hook, and two spring pieces which are independent and connected with an external power supply are arranged in the shell. When the elevator door lock is used, the contact piece synchronously swings along with the movable hook and is in contact with the two spring pieces after being inserted into the shell, so that the spring pieces are electrically connected, a signal that the door lock assembly is hooked in place is generated, the elevator car is ensured to only perform lifting motion after the landing door is closed in place, and the elevator is ensured to run safely. The opening for penetrating the contact piece is formed in the existing shell, the spring piece is electrified due to connection with an external power supply, the dustproof and waterproof effect is reduced due to the fact that the size of the opening is too large, the use safety is affected, the service life is shortened, the requirement for the swing precision of the contact piece is increased due to the fact that the size of the opening is too small, the triggering reliability is reduced, the higher requirement for the machining precision of the part is provided, and the machining cost is increased.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the switch device with good sealing performance, the transmission assembly is arranged on the shell, the isolation of the installation cavity from the external space is ensured, the waterproof and dustproof performance is improved, the contact piece can be ensured to accurately abut against and conduct the spring piece, and the triggering reliability is ensured.
The invention is realized by the following modes: the utility model provides a switching device that leakproofness is good, includes the lock bottom plate and the switch bottom plate of branch putting, be equipped with circuit switch subassembly and lock subassembly between lock bottom plate and the switch bottom plate, the lock subassembly is including setting up the fixed hook on the lock bottom plate and setting up the fly hook on the switch bottom plate, circuit switch subassembly is including setting up the casing on the lock bottom plate, be equipped with in the casing with external isolated installation cavity, be equipped with mobilizable contact and two each other spring leafs that are independent branch putting in the installation cavity, be equipped with drive assembly on the casing, when the fly hook swing and with fixed hook connection lock, the fly hook orders about the contact by idle station motion to switching on the station through drive assembly to make the spring leaf switch on the electricity even through the contact. Set up transmission assembly on the casing to with the contact setting in the installation cavity, can utilize the trompil in the original structure of transmission group shutoff, effectively promote the sealing performance of installation cavity, promote dustproof and waterproof effect, and then ensure safe in utilization, increase of service life can also utilize transmission assembly to order about contact and spring leaf contact and switch on the electricity and link, ensures to open light device and triggers the reliability.
Preferably, the transmission assembly comprises a transmission rod capable of swinging, the driving end of the transmission rod is exposed out of the shell, the transmission end is inserted into the mounting cavity and fixedly connected with the contact piece, and the driving end receives driving force from the movable hook and drives the contact piece to swing to the conduction station through the transmission end. The transmission rod transmits acting force by utilizing self-swinging, so that the movable hook can drive the contact piece to swing and realize the contact conduction of the spring piece.
Preferably, the transmission rod is an insulating part, and the contact ends of the spring piece are positioned on the swinging path of the contact piece, so that the two ends of the contact piece can be synchronously conducted with the corresponding contact ends. Spring leaf and contact all set up in the installation cavity, and the transfer line can order about the contact swing, and the driving medium is the insulating part, can prevent effectively that the contact from taking place the condition of outside electric leakage when switching on the spring leaf, ensures safe in utilization.
Preferably, the shell extends outwards to form a limiting plate located below the driving end, a return spring is clamped between the limiting plate and the driving end, and when the movable hook drives the transmission rod to swing, the return spring is stressed and compressed and accumulates pre-tightening force for driving the transmission rod to return to an idle station. The limiting plate can cooperate with the drive end of the transmission rod to clamp the reset spring, and the reset spring is utilized to apply a return pretightening force to the transmission rod, so that the contact piece can be separated from the spring piece when the movable hook is separated from the fixed hook, the surface landing door is opened, and the condition that the lift car is prevented from lifting when the landing door is opened is achieved.
Preferably, the movable hook is provided with a driving rod linked with the movable hook, and the driving rod is positioned above the driving end so as to enable the driving rod to extrude the return spring through the driving end. The actuating lever can with the swing hook synchronous oscillation, play the wobbling effect of pushing down to the drive end of transfer line when guaranteeing that the swing hook links with the fixed hook, both be used for compressing reset spring, still order about the contact and contradict with the spring leaf, ensure that external power is switched on.
Preferably, the housing comprises a base and a cover body, wherein a mounting groove is formed in the middle of the top surface of the base, and the cover body blocks the mounting groove and forms the mounting cavity. Base and lid process respectively and assemble the formation the casing both made things convenient for processing, reduce the processing cost, still come easy to assemble transfer line, contact and spring leaf through setting up uncovered mounting groove, can promote the sealed effect of installation cavity through the notch of shutoff mounting groove again.
Preferably, a rotating shaft is arranged in the middle of the transmission rod, a switching cavity is arranged on the side wall, facing the movable hook, of the mounting groove, the switching cavity is cylindrical and is coaxial with the rotating shaft, swing holes penetrating in the radial direction are formed in two sides of the switching cavity respectively, and the rotating shaft is rotatably inserted into the switching cavity and is covered and blocked by a cover body, so that the end portion of the transmission rod can swing in the swing holes in a reciprocating mode. The rotating shaft has the positioning function on the transmission rod and also has the limiting function on the swinging path of the transmission rod, so that the end part of the transmission rod can swing along the preset path. The pivot is planted in the switching intracavity, can utilize the switching chamber to play the positioning action to the pivot, ensures that the pivot can use self axis to rotate as the center, can also utilize the pivot lateral wall to closely laminate with the switching intracavity lateral wall and promote the leakproofness between pivot and casing, prevents that external water source or dust from getting into the installation cavity. The swing holes are respectively arranged on two sides of the switching cavity and are respectively communicated with the installation cavity and the external space, the swing holes not only provide a passage for the transmission rod to penetrate through the shell, but also provide a swing space for the transmission rod, the transmission rod is ensured to complete the task of driving force transmission under the condition that the shell is in sealed connection, and the switching device is ensured to be flexible and reliable.
Preferably, the side wall of the mounting groove is provided with two arc plates which are arranged oppositely, opposite side wall surfaces of the arc plates are enclosed to form the switching cavity, corresponding edges between the arc plates are enclosed to form the swing holes, the attaching area between the arc plates and the outer side wall of the rotating shaft is increased by arranging the arc plates, the sealing effect of the transmission assembly is further improved, a space is provided for arranging the swing holes, a transmission rod is ensured to have a sufficient swing space, and the contact piece can be switched between an idle station and a conduction station in a swing mode.
Preferably, the diameter of the adapter cavity is matched with the diameter of the rotating shaft, so that the side wall of the rotating shaft is tightly attached to the side wall of the adapter cavity and slides relatively. The switching chamber is cylindric, and has the same diameter with the pivot, can promote spacing precision through reducing the gap between pivot and switching chamber, promotes the swing precision of contact, ensures that switching device triggers reliably, can also effectively prevent that external water source and dust from getting into the installation cavity through pivot and switching chamber gap, promotes the sealing performance of installation cavity.
Preferably, the cover body is fixedly connected to the base through a fastening piece, and a sealing ring is clamped between the fastening piece and the cover body. The sealing washer is by the inseparable centre gripping of fastener and lid, effectively eliminates the gap between fastener and the lid, promotes the sealing performance of installation cavity.
Preferably, the spring piece is connected with an external power supply through a wire, a through hole for the wire to penetrate through is formed in the side wall of the base, and a sealing rubber sleeve is clamped between the outer side wall of the wire and the through hole. The sealing rubber sleeve is clamped between the lead and the inner side wall of the perforation, so that gaps between the lead and the perforation are effectively prevented, and the sealing performance of the installation cavity is improved.
The invention has the beneficial effects that: set up transmission assembly on the casing to with the contact setting in the installation cavity, can utilize the trompil in the original structure of transmission group shutoff, effectively promote the sealing performance of installation cavity, promote dustproof and waterproof effect, and then ensure safe in utilization, increase of service life can also utilize transmission assembly to order about contact and spring leaf contact and switch on the electricity and link, ensures to open light device and triggers the reliability.
Drawings
FIG. 1 is a schematic structural diagram of the switching device;
FIG. 2 is a schematic cross-sectional view of the switchgear;
in the figure: 1. the door lock comprises a door lock bottom plate, 2, a switch bottom plate, 3, a movable hook, 4, an installation cavity, 5, a spring piece, 6, a fixed hook, 7, a contact piece, 8, a transmission rod, 9, a rotating shaft, 10, a limiting plate, 11, a reset spring, 12, a driving rod, 13, a base, 14, a cover body, 15 and an arc plate.
Detailed Description
The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the specification.
As shown in fig. 1 and 2, a switching device that leakproofness is good comprises door lock bottom plate 1 and the switch bottom plate 2 of putting separately, be equipped with circuit switch subassembly and lock subassembly between door lock bottom plate 1 and switch bottom plate 2, lock subassembly is including setting up fixed hook 6 on door lock bottom plate 1 and setting up the fly hook 3 on switch bottom plate 2, circuit switch subassembly is including setting up the casing on door lock bottom plate 1, be equipped with in the casing with external isolated installation cavity 4, be equipped with mobilizable contact 7 and two each other spring leaf 5 for independent branch put in installation cavity 4, be equipped with transmission assembly on the casing, when fly hook 3 swings and is connected the lock with fixed hook 6, fly hook 3 orders about contact 7 through transmission assembly and moves to the station that switches on by idle station to make spring leaf 5 switch on the electricity even through contact 7. Set up drive assembly on the casing to set up contact 7 in installation cavity 4, can utilize the trompil in the original structure of transmission group shutoff, effectively promote the sealing performance of installation cavity 4, promote dustproof and waterproof effect, and then ensure safe in utilization, increase of service life can also utilize drive assembly to order about contact 7 and spring leaf 5 contact and switch on the electricity even, ensures that the device of opening light triggers the reliability.
In actual operation, transmission assembly had both played the effect of transmission effect, switched over to the station that switches on by idle station through receiving the drive power that comes from movable hook 3 and order about contact 7 for spring leaf 5 switches on through contact 7, can also effectively prevent that the casing is used for installing the region of transfer line 8, ensures that installation cavity 4 is isolated with external space, prevents that external water source and dust from getting into installation cavity 4, guarantees safe in utilization and life.
When the shell is installed, firstly, the lead sheathed with the sealing rubber sleeve passes through the through hole and is fixedly connected with the corresponding spring leaf 5; then, the rotating shaft 9 is inserted into the switching cavity, and the driving end of the driving rod 8 are respectively positioned outside the shell and in the installation cavity 4; then, the contact piece 7 is arranged on the transmission end of the transmission rod 8, so that the contact piece 7 can be synchronously conducted with the two spring pieces 5 when swinging; then, the cover body 14 is covered on the base 13 and fixedly connected through a fastener, and the rotating shaft 9 is clamped in the adapting cavity, so that the installation cavity 4 is isolated from the external space; finally, the return spring 11 is clamped between the driving end and the limit plate 10.
After the installation targets in place, pivot 9 can rotate in the switching intracavity, and matches the laminating between the inboard wall of 9 lateral walls of pivot and circular arc board 15, has both ensured 9 free rotations of pivot, can also prevent that external water source and dust from getting into installation cavity 4 through the gap between 9 of pivot and circular arc board 15, promotes installation cavity 4's sealing performance.
When the elevator is used, when the landing door is closed in place and the movable hook 3 is hooked with the fixed hook 6 in a locking mode, the driving rod 12 synchronously swings along with the movable hook 3 and pushes the driving end to swing downwards from top to bottom, the driving rod 8 can be driven to drive the contact piece 7 to swing from the idle station to the conduction station by taking the rotating shaft 9 as the center, the spring pieces 5 are conducted through the contact piece 7, the reset spring 11 can be driven to compress, the contact piece 7 can be timely separated from the spring pieces 5 when the driving rod 12 is separated from the driving end, the switching device can timely sense the state between the movable hook 3 and the fixed hook 6, and therefore the elevator is ensured to be safe in operation.
In actual operation, the middle part of the transmission rod 8 is provided with a rotating shaft 9, the side wall of the mounting groove facing the movable hook 3 is provided with a switching cavity, the switching cavity is cylindrical and is coaxial with the rotating shaft 9, two sides of the switching cavity are respectively provided with a swinging hole penetrating in the radial direction, and the rotating shaft 9 is rotatably inserted into the switching cavity and is covered and blocked by a cover body 14, so that the end part of the transmission rod 8 can swing in the swinging hole in a reciprocating manner. Be equipped with the diapire and the annular lateral wall in switching chamber on the base 13, lid 14 forms the roof in switching chamber, during the installation, inserts base 13 along switching chamber axis with pivot 9 earlier, later, closes lid 14 lid on base 13 again for pivot 9 is put by the card in the switching chamber, both had played limiting displacement to pivot 9, still effectively promoted sealing performance.
Specifically, two arc plates 15 which are arranged oppositely are arranged on the side wall of the mounting groove, opposite side wall surfaces of the arc plates 15 are enclosed to form the switching cavity, and corresponding edges between the arc plates 15 are enclosed to form the swinging hole; or the diameter of the switching cavity is matched with the diameter of the rotating shaft 9, so that the side wall of the rotating shaft 9 is tightly attached to the side wall of the switching cavity and slides relatively. The arc symmetry sets up, can play centre gripping limiting displacement to pivot 9 through the inside wall that the arc is in opposite directions, ensures that pivot 9 uses switching chamber axis to carry out the rotation as the center, can also ensure that pivot 9 closely laminates with 15 inside walls of arc board all the time when rotating, promotes the sealing performance of installation cavity 4 through reducing the gap between the two.
In actual operation, enclose between the corresponding edge of circular arc board 15 and close and form the swing hole, the swing hole both provides the passageway that passes through the casing lateral wall for transfer line 8, still utilizes the edge of circular arc board 15 to play limiting displacement to transfer line 8, ensures that transfer line 8 swings at predetermineeing the within range, has both guaranteed that contact 7 can conflict smoothly with spring leaf 5, still prevents that transfer line 8 from taking place the condition of excessive swing, ensures that reset spring 11 can not take place the distortion because of excessive extrusion and break away from the condition of predetermineeing the station.
In practical operation, the transmission assembly comprises a transmission rod 8 capable of swinging, a driving end of the transmission rod 8 is exposed out of the shell, a transmission end is inserted into the installation cavity 4 and fixedly connected with the contact piece 7, and the driving end receives driving force from the movable hook 3 and drives the contact piece 7 to swing to a conduction station through the transmission end. The transmission end of the transmission rod 8 swings in the installation cavity 4 and drives the contact piece 7 to be switched between the idle station and the conduction station in a reciprocating mode. The driving end of the transmission rod 8 is exposed out of the shell and used for receiving the driving force from the driving rod 12, so that the motion state of the movable hook 3 is accurately sensed, and the accuracy of monitoring the locking state of the landing door is improved.
In practical operation, the transmission rod 8 is an insulating member, and the contact ends of the spring pieces 5 are located on the swing path of the contact piece 7, so that the two ends of the contact piece 7 can be synchronously conducted with the corresponding contact ends. Contact 7 can be electrified with spring leaf 5 contact time, sets up transfer line 8 into the insulating part, sets up all electrified parts such as spring leaf 5 and contact 7 in installation cavity 4, effectively prevents that the power on the contact 7 from passing through the outside transmission of driving medium, prevents that the casing surface is electrified, effectively promotes the use and overhauls the security.
In practical operation, the cover 14 is fixed to the base 13 by a fastening member, and a sealing ring is interposed between the fastening member and the cover 14. The spring piece 5 is connected with an external power supply through a lead, a through hole for the lead to penetrate through is formed in the side wall of the base 13, and a sealing rubber sleeve is clamped between the outer side wall of the lead and the through hole. Through setting up sealing washer and sealed gum cover and ensuring the leakproofness between fastener and lid 14 and between wire and the perforation, prevent that external water source and dust from getting into installation cavity 4, prevent that the power on spring leaf 5 and the contact 7 from taking place through the outside condition of transmitting of water source, ensure safe in utilization.
In actual operation, the shell extends outwards to form a limiting plate 10 located below the driving end, a return spring 11 is clamped between the limiting plate 10 and the driving end, and when the movable hook 3 drives the transmission rod 8 to swing, the return spring 11 is compressed under force and accumulates pre-tightening force for driving the transmission rod 8 to return to an idle station. The middle part of the top surface of the limiting plate 10 extends upwards to form a limiting column, and the return spring 11 is sleeved on the limiting column from top to bottom, so that the return spring 11 can be guided to be compressed and deformed, and the return spring 11 is effectively prevented from being separated.
In practical operation, the movable hook 3 is provided with a driving rod 12 linked with the movable hook, and the driving rod 12 is located above the driving end, so that the driving rod 12 presses the return spring 11 through the driving end. One end of the driving rod 12 is fixedly connected with the movable hook 3, and the swing path of the other end is partially overlapped with the driving end, so that the driving rod 12 can continuously apply acting force to the driving end and ensure that the contact 7 is stably switched to a conducting station from an idle station.
In practical operation, the housing comprises a base 13 and a cover 14, wherein a mounting groove is formed in the middle of the top surface of the base 13, and the cover 14 blocks the mounting groove and forms the mounting cavity 4. The top surface middle part of base 13 forms the mounting groove through sunken, and the top surface lateral part of base 13 sets up the switching chamber, can utilize the great notch of mounting groove to install spring leaf 5, transfer line 8 and contact 7, can also utilize lid 14 to come the notch of shutoff mounting groove, ensures the sealing performance of installation cavity 4, can play limiting displacement to pivot 9 through shutoff switching chamber again.

Claims (10)

1. A switch device with good sealing performance comprises a door lock bottom plate (1) and a switch bottom plate (2) which are separately arranged, wherein a circuit switch assembly and a door lock assembly are arranged between the door lock bottom plate (1) and the switch bottom plate (2), the door lock assembly comprises a fixed hook (6) arranged on the door lock bottom plate (1) and a movable hook (3) arranged on the switch bottom plate (2), the circuit switch assembly comprises a shell arranged on the door lock bottom plate (1), and the switch device is characterized in that a mounting cavity (4) isolated from the outside is arranged in the shell, a movable contact piece (7) and two spring pieces (5) which are independently and separately arranged are arranged in the mounting cavity (4), a transmission assembly is arranged on the shell, when the movable hook (3) swings and is connected and locked with the fixed hook (6), the movable hook (3) drives the contact piece (7) to move to a conduction station from an idle station through the transmission assembly, so that the spring piece (5) is electrically connected through the contact piece (7).
2. The switch device with good sealing performance according to claim 1, wherein the transmission assembly comprises a transmission rod (8) capable of swinging, a driving end of the transmission rod (8) is exposed out of the shell, the transmission end is inserted into the installation cavity (4) and fixedly connected with the contact piece (7), and the driving end receives driving force from the movable hook (3) and drives the contact piece (7) to swing to a conducting position through the transmission end.
3. A switch device with good sealing performance according to claim 2, characterized in that the transmission rod (8) is an insulating member, and the contact end of the spring plate (5) is located on the swing path of the contact plate (7) so that the two ends of the contact plate (7) can be conducted with the corresponding contact end synchronously.
4. The switch device with good sealing performance according to claim 2, wherein the housing extends outwards to form a limiting plate (10) located below the driving end, a return spring (11) is clamped between the limiting plate (10) and the driving end, and when the movable hook (3) drives the transmission rod (8) to swing, the return spring (11) is stressed and compressed and accumulates pre-tightening force for driving the transmission rod (8) to return to an idle position.
5. The switch device with good sealing performance according to claim 4, characterized in that the movable hook (3) is provided with a driving rod (12) linked with the movable hook, and the driving rod (12) is positioned above the driving end, so that the driving rod (12) presses the return spring (11) through the driving end.
6. A switch device with good sealing performance according to any one of claims 2-5, characterized in that the housing comprises a base (13) and a cover (14), a mounting groove is formed in the middle of the top surface of the base (13), and the cover (14) blocks the mounting groove and forms the mounting cavity (4).
7. The switch device with good sealing performance according to claim 6, wherein a rotating shaft (9) is arranged in the middle of the transmission rod (8), a switching cavity is arranged on the side wall of the mounting groove facing the movable hook (3), the switching cavity is cylindrical and is coaxially arranged with the rotating shaft (9), swing holes penetrating in the radial direction are respectively arranged on two sides of the switching cavity, and the rotating shaft (9) is rotatably inserted into the switching cavity and is closed and blocked by a cover body (14) so that the end portion of the transmission rod (8) can swing back and forth in the swing holes.
8. The switch device with good sealing performance according to claim 7, wherein two arc plates (15) are oppositely arranged on the side wall of the mounting groove, the opposite side wall surfaces of the arc plates (15) enclose to form the switching cavity, and the corresponding edges between the arc plates (15) enclose to form the swinging hole; or the diameter of the switching cavity is matched with that of the rotating shaft (9), so that the side wall of the rotating shaft (9) is tightly attached to the side wall of the switching cavity and slides relatively.
9. The switch device with good sealing performance according to claim 6, wherein the cover body (14) is fixedly connected to the base (13) through a fastening member, and a sealing ring is clamped between the fastening member and the cover body (14).
10. The switch device with good sealing performance according to claim 6, wherein the spring piece (5) is connected with an external power supply through a lead, a through hole for the lead to pass through is formed in the side wall of the base (13), and a sealing rubber sleeve is clamped between the outer side wall of the lead and the through hole.
CN202110585782.XA 2021-05-27 2021-05-27 Switch device with good sealing performance Active CN113314365B (en)

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Application Number Priority Date Filing Date Title
CN202110585782.XA CN113314365B (en) 2021-05-27 2021-05-27 Switch device with good sealing performance

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Application Number Priority Date Filing Date Title
CN202110585782.XA CN113314365B (en) 2021-05-27 2021-05-27 Switch device with good sealing performance

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Publication Number Publication Date
CN113314365A true CN113314365A (en) 2021-08-27
CN113314365B CN113314365B (en) 2024-02-27

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058191A (en) * 1976-10-06 1977-11-15 Westinghouse Electric Corporation Elevator system including an elevator car having door operated sealing devices adjacent door opening
US20030159912A1 (en) * 2002-02-28 2003-08-28 Alps Electric Co., Ltd. Switch device
US20080277687A1 (en) * 2007-05-10 2008-11-13 Honeywell International Inc. High power density switch module with improved thermal management and packaging
CN202440214U (en) * 2012-02-08 2012-09-19 日立电梯(中国)有限公司 Waterproof elevator gate lock structure
CN202542653U (en) * 2012-05-08 2012-11-21 武成伟 Dumb waiter door lock
WO2015058659A1 (en) * 2013-10-22 2015-04-30 邹家春 Composite elevator rail clamping device
JP2016149280A (en) * 2015-02-13 2016-08-18 株式会社日本ロック Switch device with lock function
CN205789615U (en) * 2016-06-01 2016-12-07 江苏威尔曼科技有限公司 A kind of elevator is with anti-riot protecting against shock control knob
CN207116250U (en) * 2017-08-07 2018-03-16 宁波昌隆机电有限公司 A kind of limit switch with annular seal space
JP2018095457A (en) * 2016-12-16 2018-06-21 株式会社日立製作所 Elevator apparatus
CN211500320U (en) * 2019-08-29 2020-09-15 信阳天一窗业有限公司 Lifting sliding door
CN214541949U (en) * 2021-05-27 2021-10-29 宁波昌隆机电有限公司 Switching device with good sealing performance

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058191A (en) * 1976-10-06 1977-11-15 Westinghouse Electric Corporation Elevator system including an elevator car having door operated sealing devices adjacent door opening
US20030159912A1 (en) * 2002-02-28 2003-08-28 Alps Electric Co., Ltd. Switch device
US20080277687A1 (en) * 2007-05-10 2008-11-13 Honeywell International Inc. High power density switch module with improved thermal management and packaging
CN202440214U (en) * 2012-02-08 2012-09-19 日立电梯(中国)有限公司 Waterproof elevator gate lock structure
CN202542653U (en) * 2012-05-08 2012-11-21 武成伟 Dumb waiter door lock
WO2015058659A1 (en) * 2013-10-22 2015-04-30 邹家春 Composite elevator rail clamping device
JP2016149280A (en) * 2015-02-13 2016-08-18 株式会社日本ロック Switch device with lock function
CN205789615U (en) * 2016-06-01 2016-12-07 江苏威尔曼科技有限公司 A kind of elevator is with anti-riot protecting against shock control knob
JP2018095457A (en) * 2016-12-16 2018-06-21 株式会社日立製作所 Elevator apparatus
CN207116250U (en) * 2017-08-07 2018-03-16 宁波昌隆机电有限公司 A kind of limit switch with annular seal space
CN211500320U (en) * 2019-08-29 2020-09-15 信阳天一窗业有限公司 Lifting sliding door
CN214541949U (en) * 2021-05-27 2021-10-29 宁波昌隆机电有限公司 Switching device with good sealing performance

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