CN113314365B - Switch device with good sealing performance - Google Patents
Switch device with good sealing performance Download PDFInfo
- Publication number
- CN113314365B CN113314365B CN202110585782.XA CN202110585782A CN113314365B CN 113314365 B CN113314365 B CN 113314365B CN 202110585782 A CN202110585782 A CN 202110585782A CN 113314365 B CN113314365 B CN 113314365B
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- China
- Prior art keywords
- bottom plate
- door lock
- switch
- contact piece
- cavity
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- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 30
- 230000000670 limiting effect Effects 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- 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
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- 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
- H01H9/02—Bases, casings, or covers
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to a switching device with good sealing performance. The installation cavity of the existing switching device is poor in sealing performance, and the use safety is affected. The invention comprises a door lock bottom plate and a switch bottom plate which are arranged separately, wherein 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, a mounting cavity isolated from the outside is arranged in the shell, a movable contact piece and two spring pieces which are arranged separately are arranged in the mounting 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 conducted and electrically connected through the contact piece. The transmission assembly is arranged on the shell, and the contact piece is arranged in the mounting cavity, so that the dustproof and waterproof effects are improved, and the triggering reliability of the switch device can be ensured.
Description
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 arranged separately, 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 from each other and connected with an external power supply are arranged in the shell. When the elevator door lock is used, the contact piece swings synchronously with the movable hook and contacts with the two spring pieces after being inserted into the shell, so that the spring pieces are conducted to be connected, a signal of hooking the door lock assembly into place is generated, the elevator car can be lifted and lowered only after the landing door is closed in place, and the operation safety of the elevator is guaranteed. The existing shell is provided with the opening through which the contact piece is arranged, the spring piece is electrified due to the connection with an external power supply, the dustproof and waterproof effect can be reduced due to the overlarge size of the opening, the service life is shortened, the requirement on the swing precision of the contact piece can be increased due to the undersize of the opening, the triggering reliability is reduced, the higher requirement on the machining precision of the component is provided, and the machining cost is increased.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the switch device with good sealing performance, and the transmission assembly is arranged on the shell, so that the protection cavity is isolated from the external space, the waterproof and dustproof performances are improved, the contact can be ensured to accurately touch the conductive 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 door lock bottom plate and the switch bottom plate of branch arrangement, be equipped with circuit switch module and lock module between door lock bottom plate and switch bottom plate, lock module is including setting up the fixed hook on door lock bottom plate and setting up the movable hook on the switch bottom plate, circuit switch module is including setting up the casing on door lock bottom plate, be equipped with in the casing with external isolated installation cavity, be equipped with mobilizable contact and two mutually independent spring pieces of putting, be equipped with drive assembly on the casing, when movable hook swing and the fixed hook connection lock, the movable hook is driven the contact by idle station motion to switch on the station through drive assembly to make the spring piece switch on the electricity through the contact and link. Set up drive assembly on the casing to set up the contact at the installation intracavity, can utilize the trompil in the original structure of drive group shutoff, effectively promote the sealing performance of installation chamber, promote dustproof waterproof effect, and then ensure safe in utilization, increase of service life, can also utilize drive assembly to order about contact and spring leaf contact and switch on the electricity and link, ensure switching device triggering 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 installation cavity and fixedly connected with the contact, and the driving end receives driving force from the movable hook and drives the contact to swing to the conduction station through the transmission end. The transmission rod transmits acting force by utilizing self swing, so that the movable hook can drive the contact piece to swing and realize contact conduction of the spring piece.
Preferably, the transmission rod is an insulating member, and the contact ends of the spring pieces are located on the swing path of the contact piece, so that the two ends of the contact piece can be synchronously conducted with the corresponding contact ends. The spring piece and the contact piece are arranged in the mounting cavity, the transmission rod can drive the contact piece to swing, the transmission piece is an insulating piece, the contact piece can be effectively prevented from being leaked outwards when the spring piece is conducted, and the use safety is ensured.
Preferably, the shell extends outwards to form a limiting plate positioned below the driving end, a reset spring is clamped between the limiting plate and the driving end, and when the movable hook drives the driving rod to swing, the reset spring is stressed to compress and accumulate a pretightening force for driving the driving rod to return to an idle station. The limiting plate can be matched with the driving end of the transmission rod to clamp the reset spring, the reset spring is utilized to apply a reset pretightening force to the transmission rod, the contact piece is ensured to be separated from the spring piece when the movable hook is separated from the fixed hook, and the surface layer door is opened, so that the lift of the lift car is prevented when the landing door is opened.
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 that the driving rod extrudes the reset spring through the driving end. The driving rod can swing synchronously with the movable hook, so that the driving end of the driving rod is pressed down to swing when the movable hook is hooked with the fixed hook, the driving rod is used for compressing the reset spring, driving the contact piece to abut against the spring piece, and ensuring that an external power supply is conducted.
Preferably, the shell 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 seals the mounting groove and forms the mounting cavity. The base and the cover body are respectively processed and assembled to form the shell, so that the processing is convenient, the processing cost is reduced, the transmission rod, the contact piece and the spring piece are conveniently installed by arranging the exposed installation groove, and the sealing effect of the installation cavity can be improved by plugging the notch of the installation groove.
Preferably, a rotating shaft is arranged in the middle of the transmission rod, a switching cavity is arranged on the side wall of the mounting groove, facing the movable hook, of the mounting groove, the switching cavity is cylindrical and is coaxially arranged with the rotating shaft, two sides of the switching cavity are respectively provided with a radially penetrating swinging hole, and the rotating shaft is rotatably inserted into the switching cavity and is covered and blocked by the cover body, so that the end part of the transmission rod can swing reciprocally in the swinging hole. The rotating shaft has the positioning function on the transmission rod, and also has the limiting function on the swing path of the transmission rod, so that the end part of the transmission rod can swing along the preset path. The rotating shaft is inserted in the switching cavity, the switching cavity can be utilized to play a role in positioning the rotating shaft, the rotating shaft can be ensured to rotate by taking the axis of the rotating shaft as the center, the sealing performance between the rotating shaft and the shell can be improved by tightly bonding the outer side wall of the rotating shaft and the inner side wall of the switching cavity, and external water sources or dust are prevented from entering the installation cavity. The swing holes are respectively arranged at two sides of the switching cavity and are respectively communicated with the mounting cavity and the external space, the swing holes provide a passage for the transmission rod to pass through the shell, and also provide a swing space for the transmission rod, so that the transmission rod can complete the task of driving force transmission under the condition that the transmission rod is in sealed connection with the shell, and the switching device is flexible and reliable.
Preferably, the side wall of the mounting groove is provided with two oppositely arranged arc plates, 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 swinging 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, space is provided for arranging the swinging holes, sufficient swinging space of the transmission rod is ensured, and the contact can swing and switch at an idle station and a conducting station.
Preferably, the diameter of the switching 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 switching cavity and slides relatively. The switching chamber is cylindric, and has the same diameter with the pivot, can promote spacing precision through the gap that reduces between pivot and the switching chamber, promotes the swing precision of contact, ensures that switching device triggers reliably, can also prevent effectively that external water source and dust from getting into the installation chamber through the gap between pivot and the switching chamber, promotes the sealing performance of installation chamber.
Preferably, the cover body is fixedly connected to the base through a fastener, and a sealing ring is clamped between the fastener and the cover body. The sealing ring is tightly clamped by the fastening piece and the cover body, so that gaps between the fastening piece and the cover body are effectively eliminated, and the sealing performance of the installation cavity is improved.
Preferably, the spring piece is connected with an external power supply through a wire, a through hole for the wire to pass 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 through hole, so that gaps between the lead and the through hole are effectively prevented, and the sealing performance of the mounting cavity is improved.
The invention has the beneficial effects that: set up drive assembly on the casing to set up the contact at the installation intracavity, can utilize the trompil in the original structure of drive group shutoff, effectively promote the sealing performance of installation chamber, promote dustproof waterproof effect, and then ensure safe in utilization, increase of service life, can also utilize drive assembly to order about contact and spring leaf contact and switch on the electricity and link, ensure switching device triggering reliability.
Drawings
FIG. 1 is a schematic diagram of a switch device;
FIG. 2 is a schematic cross-sectional view of the switching device;
in the figure: 1. the door lock comprises a door lock bottom plate, 2, a switch bottom plate, 3, a movable hook, 4, a mounting 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 are further described in connection with the accompanying drawings and the detailed description.
The switch device with good tightness is composed of a separated door lock bottom plate 1 and a switch bottom plate 2, 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, an installation cavity 4 isolated from the outside is arranged in the shell, movable contact pieces 7 and two spring pieces 5 which are separated independently are arranged in the installation cavity 4, a transmission assembly is arranged on the shell, and when the movable hook 3 swings and is connected with the fixed hook 6 to be locked, the movable hook 3 drives the contact pieces 7 to move from an idle station to a conducting station through the transmission assembly, so that the spring pieces 5 are electrically connected through the contact pieces 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 drive group shutoff, effectively promote installation cavity 4's sealing performance, promote dustproof 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 and link, ensure switching device triggering reliability.
In actual operation, the transmission assembly not only plays a role in transmitting force, but also can effectively prevent the area of the shell for installing the transmission rod 8 from being conducted through the spring piece 5 by receiving the driving force from the movable hook 3 and driving the contact piece 7 to be switched to the conducting station from the idle station, so that the installation cavity 4 is isolated from the external space, the external water source and dust are prevented from entering the installation cavity 4, and the use safety and the service life are ensured.
When the shell is installed, firstly, a lead sleeved with a sealing rubber sleeve passes through the through hole and is fixedly connected with the corresponding spring piece 5; afterwards, 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 mounting cavity 4; then, the contact 7 is arranged on the transmission end of the transmission rod 8, so that the contact 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 with the base through a fastener, the rotating shaft 9 is clamped in the switching cavity, and the mounting cavity 4 is isolated from the external space; finally, a return spring 11 is clamped between the driving end and the limiting plate 10.
After the installation is in place, the rotating shaft 9 can rotate in the switching cavity, and the outer side wall of the rotating shaft 9 is matched with the inner side wall of the circular arc plate 15, so that the rotating shaft 9 can be guaranteed to rotate freely, external water sources and dust can be prevented from entering the installation cavity 4 through gaps between the rotating shaft 9 and the circular arc plate 15, and the sealing performance of the installation cavity 4 is improved.
When the landing door is closed in place and the movable hook 3 is locked and hooked with the fixed hook 6, the driving rod 12 synchronously swings along with the movable hook 3 and pushes the driving end downwards from top to bottom, the driving rod 8 can be driven to swing the contact piece 7 from the idle station to the conducting 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 further the operation safety of an elevator is ensured.
In actual operation, the middle part of transfer line 8 is equipped with pivot 9, be equipped with the switching chamber on the lateral wall of mounting groove orientation movable hook 3, the switching chamber is cylindric and sets up with pivot 9 is coaxial, the both sides of switching chamber are equipped with the swing hole that radially runs through respectively, pivot 9 rotatably inserts in the switching intracavity and by lid 14 lid closing shutoff to make transfer line 8 tip can reciprocate the swing in the swing hole. The base 13 is provided with a bottom wall and an annular side wall of the switching cavity, the cover body 14 forms a top wall of the switching cavity, the rotating shaft 9 is firstly inserted into the base 13 along the axis of the switching cavity during installation, and then the cover body 14 is covered on the base 13, so that the rotating shaft 9 is clamped in the switching cavity, the limiting effect on the rotating shaft 9 is achieved, and the sealing performance is effectively improved.
Specifically, two oppositely arranged arc plates 15 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 transfer cavity is matched with that of the rotating shaft 9, so that the side wall of the rotating shaft 9 is tightly adhered to the side wall of the transfer cavity and slides relatively. The arc symmetry sets up, can play the centre gripping limiting displacement to pivot 9 through the inside wall in arc opposite directions, ensures that pivot 9 uses the switching chamber axis to spin as the center, can also ensure that pivot 9 is closely laminated with the arc 15 inside wall all the time when rotating, promotes the sealing performance of installation chamber 4 through reducing the gap between the two.
In actual operation, the corresponding edges of the arc plates 15 are enclosed to form a swinging hole, the swinging hole not only provides a channel for the transmission rod 8 to pass through the side wall of the shell, but also utilizes the edges of the arc plates 15 to play a limiting role on the transmission rod 8, so that the transmission rod 8 is ensured to swing within a preset range, the contact piece 7 is ensured to be capable of being in smooth collision with the spring piece 5, the transmission rod 8 is prevented from excessively swinging, and the reset spring 11 is ensured not to be twisted to be separated from a preset station due to excessive extrusion.
In actual operation, the transmission assembly comprises a transmission rod 8 capable of swinging, the driving end of the transmission rod 8 is exposed out of the shell, the driving end is inserted in the installation cavity 4 and fixedly connected with the contact 7, and the driving end receives the driving force from the movable hook 3 and drives the contact 7 to swing to the conduction station through the driving end. The driving end of the driving rod 8 swings in the mounting cavity 4 and drives the contact 7 to switch reciprocally between the idle station and the conducting station. The drive end of the transmission rod 8 is exposed out of the shell and is used for receiving the drive force from the drive rod 12, so that the motion state of the movable hook 3 is accurately perceived, and the accuracy of monitoring the state of the layer door lock is improved.
In actual 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. The contact piece 7 can be electrified when contacting with the spring piece 5, sets up transfer line 8 as the insulating part, all sets up electrified parts such as spring piece 5 and contact piece 7 in installation cavity 4, effectively prevents the power on the contact piece 7 and passes through the transmission outward, prevents that the casing surface from being electrified, effectively promotes the use and overhauls the security.
In actual operation, the cover 14 is fixedly connected to the base 13 through a fastener, and a sealing ring is sandwiched between the fastener and the cover 14. The spring piece 5 is connected with an external power supply through a wire, a through hole for the wire 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 wire and the through hole. The tightness between the fastener and the cover 14 and the tightness between the lead and the through hole are ensured by arranging the sealing ring and the sealing rubber sleeve, so that external water source and dust are prevented from entering the mounting cavity 4, the condition that the power supply on the spring piece 5 and the contact piece 7 is transmitted outwards through the water source is prevented, and the use safety is ensured.
In actual operation, the shell extends outwards to form a limiting plate 10 positioned below the driving end, a reset spring 11 is clamped between the limiting plate 10 and the driving end, and when the movable hook 3 drives the driving rod 8 to swing, the reset spring 11 is compressed under the stress and accumulates the pretightening force for driving the driving rod 8 to return to the idle station. The middle part of the top surface of the limiting plate 10 extends upwards to form a limiting column, and the reset spring 11 is sleeved on the limiting column from top to bottom, so that the reset spring 11 can be guided to deform in a compression mode, and the reset spring 11 is effectively prevented from being separated.
In actual operation, 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 reset 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 from the idle station to the conducting station.
In actual 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 seals the mounting groove and forms the mounting cavity 4. The top surface middle part of base 13 passes through the sunken mounting groove that forms, 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 seal the notch of mounting groove, ensures the sealing performance of installation chamber 4, can play spacing effect to pivot 9 through the shutoff switching chamber again.
Claims (7)
1. The utility model provides a switch device that leakproofness is good, includes door lock bottom plate (1) and switch bottom plate (2) of split, be equipped with circuit switch module and door lock module between door lock bottom plate (1) and switch bottom plate (2), door lock module is including fixed hook (6) that set up on door lock bottom plate (1) and movable hook (3) that set up on switch bottom plate (2), circuit switch module is including setting up the casing on door lock bottom plate (1), its characterized in that, be equipped with in the casing with isolated installation cavity (4) of external world, be equipped with movable contact piece (7) and two mutually independent leaf springs (5) of split in installation cavity (4), be equipped with drive assembly on the casing, when movable hook (3) swing and connect the locking with fixed hook (6), movable hook (3) are driven by drive assembly to contact piece (7) from idle station to switch on the station to make leaf spring (7) switch on the electricity and link, drive assembly includes driving lever (8), driving lever (8) drive end are exposed in the casing and are put in driving lever (7) and are connected to drive end (7) through the contact piece that receives the drive force from the contact piece (7), the contact end of the spring piece (5) is positioned on the swing path of the contact piece (7) so that two ends of the contact piece (7) can be synchronously conducted with the corresponding contact ends, the shell outwards extends to form a limiting plate (10) positioned below the driving end, a reset 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 reset spring (11) is stressed and compressed to store a pretightening force for driving the transmission rod (8) to return to an idle station.
2. A switching device with good sealing performance according to claim 1, 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 located above the driving end, so that the driving rod (12) presses the return spring (11) through the driving end.
3. A well-sealed switching device according to claim 2, wherein the housing comprises a base (13) and a cover (14), the middle part of the top surface of the base (13) forms a mounting groove, and the cover (14) seals the mounting groove and forms the mounting cavity (4).
4. A switch device with good sealing performance according to claim 3, characterized in that 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 coaxially arranged with the rotating shaft (9), two sides of the switching cavity are respectively provided with a radial through swinging hole, and the rotating shaft (9) is rotatably inserted in the switching cavity and is covered and blocked by the cover body (14), so that the end part of the transmission rod (8) can swing reciprocally in the swinging holes.
5. The switch device with good sealing performance according to claim 4, wherein two oppositely arranged arc plates (15) 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 adhered to the side wall of the switching cavity and slides relatively.
6. A switching device with good sealing performance according to claim 3, characterized in that the cover body (14) is fixedly connected to the base (13) through a fastener, and a sealing ring is arranged between the fastener and the cover body (14).
7. A switch device with good sealing performance according to claim 3, characterized in that the spring piece (5) is connected with an external power supply through a wire, a through hole for the wire to pass through is formed on the side wall of the base (13), and a sealing rubber sleeve is arranged between the outer side wall of the wire and the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110585782.XA CN113314365B (en) | 2021-05-27 | 2021-05-27 | Switch device with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110585782.XA CN113314365B (en) | 2021-05-27 | 2021-05-27 | Switch device with good sealing performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113314365A CN113314365A (en) | 2021-08-27 |
| CN113314365B true CN113314365B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110585782.XA Active CN113314365B (en) | 2021-05-27 | 2021-05-27 | Switch device with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113314365B (en) |
Citations (10)
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4121754B2 (en) * | 2002-02-28 | 2008-07-23 | アルプス電気株式会社 | Switch device |
| US7977821B2 (en) * | 2007-05-10 | 2011-07-12 | Honeywell International Inc. | High power density switch module with improved thermal management and packaging |
-
2021
- 2021-05-27 CN CN202110585782.XA patent/CN113314365B/en active Active
Patent Citations (10)
| 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 |
| 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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| Publication number | Publication date |
|---|---|
| CN113314365A (en) | 2021-08-27 |
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Effective date of registration: 20211117 Address after: 315806 Daqi Yuwang village, Beilun District, Ningbo City, Zhejiang Province Applicant after: NINGBO LILONG ELECTROMECHANICAL CO.,LTD. Address before: 315806 Dagan Town, Beilun Industrial Zone, Ningbo City, Zhejiang Province Applicant before: NINGBO CHANGLONG MACHINERY ELECTRONICS Co.,Ltd. |
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