CN110571071A - plug-in contact switch, socket assembly and elevator - Google Patents
plug-in contact switch, socket assembly and elevator Download PDFInfo
- Publication number
- CN110571071A CN110571071A CN201810569090.4A CN201810569090A CN110571071A CN 110571071 A CN110571071 A CN 110571071A CN 201810569090 A CN201810569090 A CN 201810569090A CN 110571071 A CN110571071 A CN 110571071A
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- CN
- China
- Prior art keywords
- plug
- shell
- waterproof
- jack
- sheet
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/461—Adaptations of switches or switchgear characterised by their shape or profile
- B66B1/465—Adaptations of switches or switchgear characterised by their shape or profile being resistant to damage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
- H01H3/161—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover or lid
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/71—Contact members of coupling parts operating as switch, e.g. linear or rotational movement required after mechanical engagement of coupling part to establish electrical connection
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
the invention discloses a plug-in contact switch, wherein a plug assembly of the plug-in contact switch comprises a base, an electric plug and a waterproof seat; the root of the electric plug is fixed to the base and sleeved with a waterproof seat; the socket component comprises a shell, a metal elastic sheet and a waterproof inserting sheet; the upper wall of the shell is provided with a jack; the metal elastic sheet and the waterproof insertion sheet are arranged inside the shell; the working part of the metal elastic sheet is positioned below the jack; the conductive part of the waterproof inserting sheet is positioned between the working part of the metal elastic sheet and the jack, conductive contacts are arranged on the upper surface and the lower surface of the waterproof inserting sheet, and a sealing ring is sleeved on the periphery of the conductive contact on the side of the jack; when the jack is inserted with a plug without electricity, the sealing ring of the conductive part of the waterproof inserting sheet is attached to the jack; when an electric plug is inserted into the jack and the conductive part is pressed downwards, the conductive part is attached to the fixing part of the metal elastic sheet. The invention also discloses a socket assembly and an elevator. The invention can make the plug-in contact switch effectively waterproof in the on and off states, and can meet the requirement of forced disconnection of the loop when the switch is disconnected.
Description
Technical Field
The invention relates to elevator equipment, in particular to a plug-in contact switch, a socket assembly and an elevator.
background
in elevators, a plug-in door contact switch is commonly used to control the opening and closing of an elevator door or to control the stopping and starting of an elevator at various floors. After the electric plug of the door contact switch is connected with the contact of the spring piece in the socket, the elevator control system controls the elevator to be started, and when the door electric shock switch is disconnected, the elevator control system controls the elevator to stop at the corresponding position.
according to the standard of the fire elevator, the door contact switch used on the fire elevator door system meets the water-proof requirement of IPX 3. The common plug-in door contact switch can not meet the use requirement of the fire ladder due to the existence of the jacks.
although a common waterproof contact switch can meet the waterproof requirement, the switch can be reset and disconnected only by spring force, and contacts cannot be forcibly separated when the switch is disconnected, so that the danger of short circuit exists.
Disclosure of Invention
the technical problem to be solved by the invention is to ensure that the plug-in contact switch can effectively prevent water in the on and off states and can meet the requirement of forced disconnection of a loop when the switch is disconnected.
in order to solve the technical problem, the invention provides a plug-in contact switch, which comprises a plug component 1 and a socket component 2;
the plug assembly 1 comprises a base 13, an electric plug 4 and a waterproof seat 3;
The electrical plug 4 is root-fixed to the base 13;
the root of the electric plug 4 is sleeved with a waterproof seat 3;
the waterproof seat 3 is made of elastic materials;
the socket component 2 comprises a shell 14, a metal elastic sheet 5 and a waterproof inserting sheet 8;
The upper wall of the shell 14 is provided with a jack 10;
the metal elastic sheet 5 and the waterproof inserting sheet 8 are arranged inside the shell 14;
one end of the metal elastic sheet 5 is a fixing part 6 fixed on the shell 14, and the other end is a working part 7 positioned below the jack 10;
One end of the waterproof inserting sheet 8 is a conductive part which is positioned between the working part 7 of the metal elastic sheet 5 and the jack 10;
The upper surface and the lower surface of the conductive part of the waterproof inserting sheet 8 are both provided with conductive contacts 11;
a sealing ring 9 is sleeved on the periphery of the conductive contact 11 on the side of the jack 10;
When the jack 10 is inserted without the power plug 4, the conductive part of the waterproof inserting sheet 8 is under the action of elasticity, so that the sealing ring 9 is attached to the jack 10;
When the plug 4 is inserted into the jack 10 and the conductive part is pressed downwards, the conductive part overcomes the elastic force and moves downwards to be attached to the working part 7 of the metal elastic sheet 5.
preferably, the sealing ring 9 is made of an elastic material.
Preferably, the waterproof seat 3 and the sealing ring 9 are made of rubber;
the waterproof insert 8 is made of metal;
the conductive contact 11 is made of copper alloy and is plated with a silver layer on the surface.
the working part 7 of the metal elastic sheet 5 is made of copper alloy, and the surface of the working part is plated with a silver layer.
Preferably, two electric plugs 4 are fixedly connected to the base 13 of the plug assembly 1 in a bilateral symmetry manner;
Two jacks 10 are symmetrically arranged on the left and right of the upper wall of the shell 14;
two metal elastic sheets 5 are symmetrically arranged in the shell 14 left and right;
Two waterproof inserting pieces 8 are symmetrically arranged in the shell 14.
preferably, the waterproof insertion sheet 8 is a metal sheet;
the other end of the waterproof inserting sheet 8 is used as a fixing part and fixed at the connecting part of the side wall of the upper wall of the shell 14.
Preferably, the socket assembly 2 further comprises a card holder 12;
the clamping seat 12 is fixed inside the shell 14;
the clamping seat 12 is arranged between the metal elastic sheet 5 and the waterproof inserting sheet 8.
preferably, the socket assembly 2 further comprises a magic tape;
the terminal jack side of the conductive part of waterproof inserted sheet 8 is equipped with the soft fiber face 17 of this magic subsides, the 14 upper walls of casing of jack 10 department correspond and are fixed with the hard hook face 16 of this magic subsides.
Preferably, two electric plugs 4 are fixedly connected to the base 13 of the plug assembly 1 in a bilateral symmetry manner;
the receptacle assembly 2 further includes a return coil spring 18;
an insulating guide post 19 is vertically arranged in the middle of the shell;
two jacks 10 are symmetrically arranged on the left side and the right side of the upper wall of the shell 14 on the insulating guide column 19;
two metal elastic sheets 5 are symmetrically arranged on the left side and the right side of the insulated guide post 19 in the shell 14;
two waterproof inserting pieces 8 are symmetrically arranged on the left side and the right side of the insulating guide column 19 in the shell 14;
The two waterproof inserting pieces 8 are fixedly connected together, a guide hole is formed in the joint, and the insulating guide column 19 penetrates through the guide hole;
the reset helical spring 18 is sleeved on the insulating guide post 19, and two ends of the reset helical spring respectively abut against the joint of the two waterproof inserting pieces 8 and the bottom of the shell.
preferably, the waterproof seat 3 is in a frustum shape with a wide root and a narrow head.
Preferably, the receptacle 10 on the upper wall of the housing 14 of the receptacle assembly 2 is shaped as a flared cone.
preferably, the socket assembly 2 has a resilient insulating member disposed around the plug hole 10 in the upper wall of the housing.
In order to solve the technical problem, the socket assembly 2 provided by the invention comprises a shell 14, a metal elastic sheet 5 and a waterproof inserting sheet 8;
The upper wall of the shell 14 is provided with a jack 10;
the metal elastic sheet 5 and the waterproof inserting sheet 8 are arranged inside the shell 14;
one end of the metal elastic sheet 5 is a fixing part 6 fixed on the shell 14, and the other end is a working part 7 positioned below the jack 10;
one end of the waterproof inserting sheet 8 is a conductive part which is positioned between the working part 7 of the metal elastic sheet 5 and the jack 10;
The upper surface and the lower surface of the conductive part of the waterproof inserting sheet 8 are both provided with conductive contacts 11;
a sealing ring 9 is sleeved on the periphery of the conductive contact 11 on the side of the jack 10;
when the jack 10 is inserted without the power plug 4, the conductive part of the waterproof inserting sheet 8 is under the action of elasticity, so that the sealing ring 9 is attached to the jack 10;
when the plug 4 is inserted into the jack 10 and the conductive part is pressed downwards, the conductive part overcomes the elastic force and moves downwards to be attached to the working part 7 of the metal elastic sheet 5.
preferably, the sealing ring 9 is made of an elastic material;
the waterproof insert 8 is made of metal;
the conductive contact 11 is made of copper alloy and is plated with a silver layer on the surface.
the working part 7 of the metal elastic sheet 5 is made of copper alloy, and the surface of the working part is plated with a silver layer.
preferably, two insertion holes 10 are symmetrically arranged on the left and right of the upper wall of the shell 14;
two metal elastic sheets 5 are symmetrically arranged in the shell 14 left and right;
two waterproof inserting pieces 8 are symmetrically arranged in the shell 14.
preferably, the waterproof insertion sheet 8 is a metal sheet;
the other end of the waterproof inserting sheet 8 is used as a fixing part and fixed at the connecting part of the side wall of the upper wall of the shell 14.
preferably, the socket assembly 2 further comprises a card holder 12;
the clamping seat 12 is fixed inside the shell 14;
The clamping seat 12 is arranged between the metal elastic sheet 5 and the waterproof inserting sheet 8.
Preferably, the socket assembly 2 further comprises a magic tape;
The terminal jack side of the conductive part of waterproof inserted sheet 8 is equipped with the soft fiber face 17 of this magic subsides, the 14 upper walls of casing of jack 10 department correspond and are fixed with the hard hook face 16 of this magic subsides.
Preferably, the receptacle assembly 2 further comprises a return coil spring 18;
An insulating guide post 19 is vertically arranged in the middle of the shell;
two jacks 10 are symmetrically arranged on the left side and the right side of the upper wall of the shell 14 on the insulating guide column 19;
Two metal elastic sheets 5 are symmetrically arranged on the left side and the right side of the insulated guide post 19 in the shell 14;
two waterproof inserting pieces 8 are symmetrically arranged on the left side and the right side of the insulating guide column 19 in the shell 14;
the two waterproof inserting pieces 8 are fixedly connected together, a guide hole is formed in the joint, and the insulating guide column 19 penetrates through the guide hole;
The reset helical spring 18 is sleeved on the insulating guide post 19, and two ends of the reset helical spring respectively abut against the joint of the two waterproof inserting pieces 8 and the bottom of the shell.
preferably, the receptacle 10 on the upper wall of the housing 14 of the receptacle assembly 2 is shaped as a flared cone.
preferably, the socket assembly 2 has a resilient insulating member disposed around the plug hole 10 in the upper wall of the housing.
in order to solve the technical problem, the invention also provides an elevator which adopts the plug-in contact switch as the contact switch of the elevator door.
the plug-in contact switch comprises a plug component 1 and a socket component 2 which are matched to carry out connection and disconnection actions, a shell 14 of the socket component 2 is internally provided with a waterproof inserting sheet 8, the shell 14 is provided with a jack 10 for inserting a power plug into a switch, and the root of an electric plug 4 of the plug component 1 is sleeved with a waterproof seat 3. When the plug-in contact switch is in an off state, under the action of elastic force, the sealing ring 9 on the periphery of the conductive contact 11 on the conductive part jack side of the waterproof plug-in sheet 8 is tightly attached to the jack 10, so that water can be prevented from entering the shell 14 of the socket component 2. When the electric plug 4 is inserted into the jack 10, the metal conductive part of the waterproof inserting sheet 8 tightly attached to the jack 10 is firstly contacted, and then the metal conductive part of the waterproof inserting sheet 8 is contacted with the working part 7 of the metal elastic sheet 5, so that the contact switch is in a connected state. The plug-in contact switch can effectively prevent water in the on and off states, and can meet the requirement of forced disconnection of a loop when the switch is disconnected.
drawings
in order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of an open state of an embodiment of a plug-in contact switch of the present invention;
fig. 2 is a schematic diagram of an on state of an embodiment of the plug-in contact switch of the present invention;
FIG. 3 is a perspective view of a waterproof insert of an embodiment of the plug-in contact switch of the present invention;
FIG. 4 is a side view of a waterproof insert of an embodiment of the plug-in contact switch of the present invention;
FIG. 5 is a schematic diagram of a second receptacle assembly including a hook and loop fastener in an embodiment of the plug-in contact switch of the present invention;
FIG. 6 is a schematic view showing an example of an insertion type contact switch according to the present invention, in which four waterproof bases are in a frustum-shaped open state;
FIG. 7 is a schematic view showing a cone-frustum type closed state of the four waterproof bases of the embodiment of the insertion type contact switch of the present invention;
FIG. 8 is a schematic diagram of an embodiment of a plug-in contact switch of the present invention showing the off state of the triple receptacle assembly including a return coil spring;
FIG. 9 is a schematic diagram of a three-outlet assembly including a return coil spring on state of an embodiment of a plug-in contact switch of the present invention;
Fig. 10 is a schematic view showing a five-hole shape of an embodiment of a plug-in contact switch of the present invention as an outward-expanding taper hole.
Wherein the reference numerals are as follows:
1 a plug assembly; 2 a receptacle assembly; 3, a waterproof seat; 4, an electric plug; 5, a metal elastic sheet; 6 a metal elastic sheet fixing part; 7, a metal elastic sheet working part; 8, waterproof inserting pieces; 9, sealing rings; 10 jacks; 11 waterproof plug conductive contacts; 12 card seats; 13 a plug base; 14 a receptacle housing; 15 waterproof insert fixing part; 16 hard hook surface of the magic tape; 17 soft fiber surface of magic tape; 18 a return coil spring; 19 insulating the guide posts.
Detailed Description
the technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
as shown in fig. 1 to 10, the plug-in contact switch includes a plug assembly 1 and a receptacle assembly 2;
The plug assembly 1 comprises a base 13, an electric plug 4 and a waterproof seat 3;
the electrical plug 4 is root-fixed to the base 13;
The root of the electric plug 4 is sleeved with a waterproof seat 3;
the waterproof seat 3 is made of elastic materials;
the socket component 2 comprises a shell 14, a metal elastic sheet 5 and a waterproof inserting sheet 8;
The upper wall of the shell 14 is provided with a jack 10;
the metal elastic sheet 5 and the waterproof inserting sheet 8 are arranged inside the shell 14;
one end of the metal elastic sheet 5 is a fixing part 6 fixed on the shell, and the other end is a working part 7 positioned below the jack 10;
as shown in fig. 3, one end of the waterproof insertion sheet 8 is a conductive part located between the working part 7 of the metal elastic sheet 5 and the insertion hole 10;
The upper surface and the lower surface of a conductive part of the waterproof inserting sheet 8 are both provided with conductive contacts 11, and the periphery of the conductive contact 11 on the side of the jack 10 is sleeved with a sealing ring 9;
when the jack 10 is inserted without the power plug 4, the conductive part of the waterproof inserting sheet 8 is under the action of elasticity, so that the sealing ring 9 is attached to the jack 10;
When the plug 4 is inserted into the jack 10 and the conductive part is pressed downwards, the conductive part overcomes the elastic force and moves downwards to be attached to the working part 7 of the metal elastic sheet 5.
preferably, the sealing ring 9 is made of elastic material to obtain better sealing effect.
preferably, the waterproof seat 3 and the sealing ring 9 are made of rubber.
Preferably, the waterproof insert 8 is made of metal.
preferably, the conductive contact 11 is made of copper alloy, and a silver layer is plated on the surface.
Preferably, the working portion 7 of the metal elastic sheet 5 is made of copper alloy, and the surface of the metal elastic sheet is plated with a silver layer.
preferably, two electric plugs 4 are fixedly connected to the base 13 of the plug assembly 1 in a bilateral symmetry manner;
Two jacks 10 are symmetrically arranged on the left and right of the upper wall of the shell 14;
Two metal elastic sheets 5 are symmetrically arranged in the shell 14 left and right;
Two waterproof inserting pieces 8 are symmetrically arranged in the shell 14.
as shown in fig. 1, when the plug-in type contact switch is turned off, the plug assembly 1 is separated from the socket assembly 2, and the seal ring 9 on the outer periphery of the conductive contact 11 on the conductive portion jack side of the waterproof insert 8 is in a position of being in close contact with the jack 10, thereby preventing water from entering the inside of the housing 14 of the socket assembly 2.
as shown in fig. 2, when the plug-in contact switch is turned on, the plug assembly 1 is combined with the socket assembly 2, the electrical plug 4 is inserted into the jack 10 to abut against the conductive contact 11 on the conductive portion of the waterproof insert 8, the conductive portion is pressed downward to overcome the elastic force, the conductive portion 11 below the conductive portion is contacted with the working portion 7 of the metal elastic sheet 5, the conductive contacts on the conductive portions of the electrical plug 4 and the waterproof insert 8 and the working portion 7 of the metal elastic sheet 5 form a conductive path, the contact switch is smoothly turned on, and the waterproof seat 3 on the plug assembly 2 is tightly attached to the jack 10 to achieve the sealing and waterproof effects.
preferably, the plug-in contact switch is used as an elevator door contact switch of an elevator. When the electric plug 4 of the plug component 1 is inserted into the jack 10 of the socket component 2 and is contacted with the working part 7 of the metal elastic sheet 5 through the conductive part of the waterproof inserting sheet 8, the door contact switch is in a switch-on state, and the elevator control system sends an operation instruction to the elevator. When the electric plug 4 of the plug assembly 1 leaves the jack 10 of the plug-in socket assembly 2, the door contact switch is in an off state, and the elevator control system prohibits the elevator from running up and down.
the plug-in contact switch of the first embodiment comprises a plug component 1 and a socket component 2 which are matched to carry out connection and disconnection, a waterproof inserting sheet 8 is arranged in a shell 14 of the socket component 2, a jack 10 for inserting a power plug into the jack is arranged on the shell 14, and a waterproof seat 3 is sleeved at the root part of an electric plug 4 of the plug component 1. When the plug-in contact switch is in an off state, under the action of elastic force, the sealing ring 9 on the periphery of the conductive contact 11 on the conductive part jack side of the waterproof plug-in sheet 8 is tightly attached to the jack 10, so that water can be prevented from entering the shell 14 of the socket component 2. When the electric plug 4 is inserted into the jack 10, the metal conductive part of the waterproof inserting sheet 8 tightly attached to the jack 10 is firstly contacted, and then the metal conductive part of the waterproof inserting sheet 8 is contacted with the working part 7 of the metal elastic sheet 5, so that the contact switch is in a connected state. The plug-in contact switch can effectively prevent water in the on and off states, and can meet the requirement of forced disconnection of a loop when the switch is disconnected.
Example two
According to the plug-in contact switch of the first embodiment, as shown in fig. 3 and 4, the waterproof insert sheet 8 is made of an elastic material (e.g., a metal sheet);
the other end of the waterproof inserting sheet 8 is used as a fixing part 15 to be fixed at the connecting part of the side wall of the upper wall of the shell 14.
preferably, the socket assembly 2 further comprises a card holder 12;
The clamping seat 12 is fixed inside the shell 14;
the clamping seat 12 is arranged between the metal elastic sheet 5 and the waterproof inserting sheet 8;
the clamping seat 12 allows the waterproof insert 8 to spring back to an initial position against the plug socket 10 when the plug-in contact switch is turned off.
Preferably, as shown in fig. 5, the socket assembly 2 further includes a magic tape;
the terminal jack side of the conductive part of waterproof inserted sheet 8 is equipped with the soft fiber face 17 of this magic subsides, the 14 upper walls of casing of jack 10 department correspond and are fixed with the hard hook face 16 of this magic subsides.
the soft fiber side 17 may be made of wool and the hard hook side 16 may be made of metal barbs.
When the contact switch is in an off state, the soft fiber surface 17 and the hard hook surface 16 are hooked and adhered together, so that the sealing effect of the sealing ring 9 is enhanced, and the waterproof effect is further improved.
EXAMPLE III
according to the plug-in contact switch of the first embodiment, as shown in fig. 8 and 9, two electrical plugs 4 are fixedly connected to the base 13 of the plug assembly 1 in a bilateral symmetry manner;
the receptacle assembly 2 further includes a return coil spring 18;
an insulating guide post 19 is vertically arranged in the middle of the shell;
two jacks 10 are symmetrically arranged on the left side and the right side of the upper wall of the shell 14 on the insulating guide column 19;
two metal elastic sheets 5 are symmetrically arranged on the left side and the right side of the insulated guide post 19 in the shell 14;
two waterproof inserting pieces 8 are symmetrically arranged on the left side and the right side of the insulating guide column 19 in the shell 14;
The two waterproof inserting pieces 8 are fixedly connected together, a guide hole is formed in the joint, and the insulating guide column 19 penetrates through the guide hole;
the reset helical spring 18 is sleeved on the insulating guide post 19, and two ends of the reset helical spring respectively abut against the joint of the two waterproof inserting pieces 8 and the bottom of the shell.
in the third embodiment of the plug-in contact switch, the housing of the socket assembly 2 is further provided with a guide post 19 and a return coil spring 18, and the waterproof insertion piece 8 and the return coil spring 18 are guided by the insulating guide post 19. As shown in fig. 8, when the plug assembly 1 is separated from the socket assembly 2 and the contact switch is turned off, the sealing ring 9 of the conductive part of the waterproof insert 8 is tightly attached to the jack 10 due to the elastic force of the return coil spring 18, so as to achieve the waterproof function, and the insulating guide column 19 can improve the resilience reliability and help the waterproof insert 8 rebound to the initial position; as shown in fig. 9, when the contact switch is turned on, the electrical plug 4 contacts the conductive part of the waterproof insertion sheet 8 and pushes the waterproof insertion sheet 8 to move, so that the waterproof insertion sheet 8 contacts the working part 7 of the metal elastic sheet 5, and the switch circuit is turned on. According to the plug-in contact switch, the reset spiral spring 18 helps the waterproof inserting sheet 8 of the socket component 2 to rebound to the position of the inserting hole 10 when the contact switch is switched off, and the plug component 1 is matched for use, so that the contact switch can meet the waterproof requirement no matter in a switching-on or switching-off state.
example four
based on the plug-in contact switch of the first embodiment, the waterproof seat 3 is shaped as a frustum with a wide root and a narrow head, as shown in fig. 6 and 7.
when the contact switch is switched on, the frustum-shaped elastic waterproof seat 3 partially enters the jack 10 to play a waterproof role.
EXAMPLE five
according to the plug-in contact switch of the first embodiment, the shape of the insertion hole 10 on the upper wall of the housing 14 of the receptacle assembly 2 is a flared taper hole, as shown in fig. 10.
because the switch in the elevator door system is vertically arranged, the contact surface of the plug-in contact switch is parallel to the vertical surface, and the outward-expanding taper hole can play a role in guiding current, so that water is prevented from being retained in the jack 10.
EXAMPLE six
according to the plug-in contact switch of the first embodiment, the jack 10 on the upper wall of the housing of the jack module 2 is provided with an elastic insulating member at its outer periphery. The material of this elastic insulation piece can be rubber to guarantee the leakproofness that waterproof inserted sheet 8 kick-backed.
The above are merely preferred embodiments of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (21)
1. a plug-in contact switch, characterized by comprising a plug assembly (1) and a socket assembly (2);
The plug assembly (1) comprises a base (13), an electric plug (4) and a waterproof base (3);
the electrical plug (4) is root-fixed to a base (13);
the root of the electric plug (4) is sleeved with a waterproof seat (3);
The waterproof seat (3) is made of elastic material;
the socket component (2) comprises a shell (14), a metal elastic sheet (5) and a waterproof inserting sheet (8);
The upper wall of the shell (14) is provided with a jack (10);
the metal elastic sheet (5) and the waterproof inserting sheet (8) are arranged inside the shell (14);
one end of the metal elastic sheet (5) is a fixing part (6) fixed on the shell (14), and the other end is a working part (7) positioned below the jack (10);
one end of the waterproof inserting sheet (8) is a conductive part which is positioned between the working part (7) of the metal elastic sheet (5) and the jack (10);
the upper surface and the lower surface of the conductive part of the waterproof inserting sheet (8) are provided with conductive contacts (11);
a sealing ring (9) is sleeved on the periphery of the conductive contact (11) at the side of the jack (10);
When the plug (4) without the power plug of the jack (10) is inserted, the conductive part of the waterproof inserting sheet (8) is under the action of elastic force, so that the sealing ring (9) is attached to the jack (10);
When an electric plug (4) is inserted into the jack (10) and the conductive part is pressed downwards, the conductive part overcomes the action of elasticity and moves downwards to be attached to the working part (7) of the metal elastic sheet (5).
2. Plug-in contact switch according to claim 1,
The sealing ring (9) is made of elastic materials.
3. plug-in contact switch according to claim 1,
the waterproof seat (3) and the sealing ring (9) are made of rubber;
the waterproof insert (8) is made of metal;
the conductive contact (11) is made of copper alloy, and the surface of the conductive contact is plated with a silver layer.
The working part (7) of the metal elastic sheet (5) is made of copper alloy, and the surface of the metal elastic sheet is plated with a silver layer.
4. plug-in contact switch according to claim 1,
the base (13) of the plug assembly (1) is fixedly connected with two electric plugs (4) in a bilateral symmetry manner;
two jacks (10) are symmetrically arranged on the left and right of the upper wall of the shell (14);
two metal elastic sheets (5) are symmetrically arranged in the shell (14) from left to right;
two waterproof inserting pieces (8) are symmetrically arranged in the shell (14) left and right.
5. Plug-in contact switch according to claim 1,
the waterproof inserting sheet (8) is a metal sheet;
the other end of the waterproof inserting sheet (8) is used as a fixing part to be fixed at the connecting part of the side wall of the upper wall of the shell (14).
6. plug-in contact switch according to claim 5,
The socket component (2) also comprises a clamping seat (12);
The clamping seat (12) is fixed inside the shell (14);
The clamping seat (12) is arranged between the metal elastic sheet (5) and the waterproof inserting sheet (8).
7. Plug-in contact switch according to claim 1,
the socket component (2) further comprises a magic tape;
the terminal jack side of the conductive part of waterproof inserted sheet (8) is equipped with soft fibre face (17) that this magic was pasted, casing (14) upper wall correspondence of jack (10) department is fixed with hard hook face (16) that this magic was pasted.
8. Plug-in contact switch according to claim 1,
the base (13) of the plug assembly (1) is fixedly connected with two electric plugs (4) in a bilateral symmetry manner;
the socket assembly (2) further comprises a return coil spring (18);
an insulating guide post (19) is vertically arranged in the middle of the shell;
Two jacks (10) are symmetrically arranged on the left side and the right side of the upper wall of the shell (14) on the insulating guide column (19);
Two metal elastic sheets (5) are symmetrically arranged on the left side and the right side of the insulated guide column (19) in the shell (14);
two waterproof inserting pieces (8) are symmetrically arranged on the left side and the right side of the insulated guide column (19) in the shell (14);
the two waterproof inserting pieces (8) are fixedly connected together, a guide hole is formed in the joint, and the insulating guide column (19) penetrates through the guide hole;
the reset helical spring (18) is sleeved on the insulating guide post (19), and two ends of the reset helical spring are respectively abutted against the joint of the two waterproof inserting pieces (8) and the bottom of the shell.
9. Plug-in contact switch according to claim 1,
The waterproof seat (3) is in a frustum shape with a wide root and a narrow head.
10. Plug-in contact switch according to claim 1,
the shape of the jack (10) on the upper wall of the shell (14) of the socket component (2) is an outward-expanding taper hole.
11. Plug-in contact switch according to claim 1,
The periphery of the jack (10) on the upper wall of the shell of the socket component (2) is provided with an elastic insulating part.
12. a socket component is characterized by comprising a shell (14), a metal elastic sheet (5) and a waterproof inserting sheet (8);
the upper wall of the shell (14) is provided with a jack (10);
The metal elastic sheet (5) and the waterproof inserting sheet (8) are arranged inside the shell (14);
one end of the metal elastic sheet (5) is a fixing part (6) fixed on the shell (14), and the other end is a working part (7) positioned below the jack (10);
One end of the waterproof inserting sheet (8) is a conductive part which is positioned between the working part (7) of the metal elastic sheet (5) and the jack (10);
the upper surface and the lower surface of the conductive part of the waterproof inserting sheet (8) are provided with conductive contacts (11);
a sealing ring (9) is sleeved on the periphery of the conductive contact (11) at the side of the jack (10);
When the plug (4) without the power plug is inserted into the jack (10), the conductive part of the waterproof inserting sheet (8) is under the action of elastic force, so that the sealing ring (9) is attached to the jack (10);
when an electric plug (4) is inserted into the jack (10) and the conductive part is pressed downwards, the conductive part overcomes the action of elasticity and moves downwards to be attached to the working part (7) of the metal elastic sheet (5).
13. the receptacle assembly of claim 12,
the sealing ring (9) is made of elastic materials;
The waterproof insert (8) is made of metal;
The conductive contact (11) is made of copper alloy, and the surface of the conductive contact is plated with a silver layer.
The working part (7) of the metal elastic sheet (5) is made of copper alloy, and the surface of the metal elastic sheet is plated with a silver layer.
14. The receptacle assembly of claim 12,
Two jacks (10) are symmetrically arranged on the left and right of the upper wall of the shell (14);
Two metal elastic sheets (5) are symmetrically arranged in the shell (14) from left to right;
Two waterproof inserting pieces (8) are symmetrically arranged in the shell (14) left and right.
15. the receptacle assembly of claim 12,
The waterproof inserting sheet (8) is a metal sheet;
the other end of the waterproof inserting sheet (8) is used as a fixing part to be fixed at the connecting part of the side wall of the upper wall of the shell (14).
16. the receptacle assembly of claim 15,
The socket component (2) also comprises a clamping seat (12);
the clamping seat (12) is fixed inside the shell (14);
the clamping seat (12) is arranged between the metal elastic sheet (5) and the waterproof inserting sheet (8).
17. the receptacle assembly of claim 12,
the socket component (2) further comprises a magic tape;
the terminal jack side of the conductive part of waterproof inserted sheet (8) is equipped with soft fibre face (17) that this magic was pasted, casing (14) upper wall correspondence of jack (10) department is fixed with hard hook face (16) that this magic was pasted.
18. The receptacle assembly of claim 12,
The socket assembly (2) further comprises a return coil spring (18);
An insulating guide post (19) is vertically arranged in the middle of the shell;
two jacks (10) are symmetrically arranged on the left side and the right side of the upper wall of the shell (14) on the insulating guide column (19);
Two metal elastic sheets (5) are symmetrically arranged on the left side and the right side of the insulated guide column (19) in the shell (14);
Two waterproof inserting pieces (8) are symmetrically arranged on the left side and the right side of the insulated guide column (19) in the shell (14);
The two waterproof inserting pieces (8) are fixedly connected together, a guide hole is formed in the joint, and the insulating guide column (19) penetrates through the guide hole;
The reset helical spring (18) is sleeved on the insulating guide post (19), and two ends of the reset helical spring are respectively abutted against the joint of the two waterproof inserting pieces (8) and the bottom of the shell.
19. The receptacle assembly of claim 12,
the shape of the jack (10) on the upper wall of the shell (14) of the socket component (2) is an outward-expanding taper hole.
20. The receptacle assembly of claim 12,
the periphery of the jack (10) on the upper wall of the shell of the socket component (2) is provided with an elastic insulating part.
21. an elevator employing the plug-in contact switch of any one of claims 1 to 11 as an elevator door contact switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810569090.4A CN110571071B (en) | 2018-06-05 | 2018-06-05 | Plug-in contact switch, socket assembly and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810569090.4A CN110571071B (en) | 2018-06-05 | 2018-06-05 | Plug-in contact switch, socket assembly and elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110571071A true CN110571071A (en) | 2019-12-13 |
| CN110571071B CN110571071B (en) | 2021-05-25 |
Family
ID=68772145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810569090.4A Active CN110571071B (en) | 2018-06-05 | 2018-06-05 | Plug-in contact switch, socket assembly and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110571071B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112309750A (en) * | 2020-10-30 | 2021-02-02 | 东风商用车有限公司 | Electric switch fixing structure for commercial vehicle |
| WO2021249167A1 (en) * | 2020-06-09 | 2021-12-16 | 上海泰盖特信息科技有限公司 | Contact switch for elevator safety door |
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| Publication number | Publication date |
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| CN110571071B (en) | 2021-05-25 |
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