CN112850399B - Elevator bypass contact protection device - Google Patents
Elevator bypass contact protection device Download PDFInfo
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- CN112850399B CN112850399B CN202010633612.XA CN202010633612A CN112850399B CN 112850399 B CN112850399 B CN 112850399B CN 202010633612 A CN202010633612 A CN 202010633612A CN 112850399 B CN112850399 B CN 112850399B
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- 238000003466 welding Methods 0.000 claims abstract description 27
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 4
- 238000000429 assembly Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
An elevator bypass contact protection device comprising: a base; the circuit board is arranged in the base; the welding pin terminal seat is arranged above the front part of the circuit board, and is provided with three fixing blocks which are arranged in a shape of a Chinese character 'pin', and a central accommodating groove is formed by surrounding the rear end surfaces of the three fixing blocks; six welding pin terminals which are respectively arranged on the welding pin terminal seat; the three pairs of conductive assemblies are respectively arranged in the three fixed blocks on the bottom plate of the welding needle terminal seat; the adjusting wheel is arranged in the central accommodating groove; the rotating shaft is arranged in the adjusting wheel; the electric connector is arranged at the rear part of the upper end surface of the circuit board; an upper cover covering the welding pin terminal seat; the knob is arranged on the top surface of the upper cover; the knob spring buckle is arranged on the knob. The elevator car door structure can meet the design requirements of elevator landing doors and elevator car doors, prevent the elevator car doors from being short-circuited at the same time, improve the safety in the maintenance process, and has a simple structure, so that the assembly process is simplified and improved, the actual operation and production are convenient, the working hours are shortened, and the cost is reduced.
Description
Technical Field
The invention relates to a circuit protection device, in particular to an elevator bypass contact protection device.
Background
The accident that manual operation produced is many, in order to guarantee elevator normal operating and safe work, need debug and safety inspection to the elevator, and during debugging in-process staff was overhauld and debugging, often because man-hour is shorter, forget to dismantle after the shorting device installation and cause the elevator card to hinder, so to stop the emergence of reduction elevator incident just need to study the root cause of elevator trouble carefully to study elevator bypass device application and see that elevator shorting device forgets to dismantle the emergence of incident.
Elevator bypass devices in the current market are all distinguished from car door device shorts and landing door device shorts by electrical connector interfacing. The electric connectors are in butt joint in pairs, and complicated wire connection is needed, so that great installation trouble is caused to practical construction staff, and the misoperation probability is increased greatly; the short-circuit device is used for reducing the occurrence probability of safety accidents, but the occurrence of accidents is increased by the addition of bad operation, so that bad design and complicated operation are radically eliminated.
Disclosure of Invention
The invention aims to design the elevator bypass contact protection device, so that the elevator landing door and the elevator car door can be prevented from being shorted simultaneously while the design requirements of the elevator landing door and the elevator car door are met, the safety in the maintenance process is improved, the structure is simple, the assembly process is simplified and improved, the actual operation production is convenient, the working hours are shortened, and the cost is reduced.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
An elevator bypass contact protection device, comprising: the base is a shell with an opening at the upper end, the front frame of the base is of an isosceles trapezoid structure, and the rear part of the base is of a square frame structure; the middle part of the base is provided with a shaft hole, the outer walls of the two sides of the front part of the base are respectively provided with a front fixing part in a protruding way, and the two sides of the rear part of the base are respectively provided with a rear fixing part and a fixing hole; the circuit board is arranged in the base and is rectangular, and two sides and the front end part of the front part of the circuit board are respectively provided with a pair of plug holes to form three pairs of plug hole layouts; the rear part of the circuit board is provided with a plurality of connecting holes; the middle part of the circuit board is provided with a central hole corresponding to the shaft hole of the base; the welding pin terminal seat is arranged at the front part of the circuit board and above the front part of the base and comprises a bottom plate, three fixing blocks convexly arranged on the bottom plate in a finished product shape and a central accommodating groove surrounded by the rear end surfaces of the three fixing blocks; the fixing block is provided with a T-shaped groove, two sides of the rear wall in the T-shaped groove are respectively provided with a fixing groove, a jack is arranged on the bottom plate corresponding to the fixing groove, and the center of the rear wall of the T-shaped groove is provided with a channel communicated with the central accommodating groove; a supporting block is convexly arranged on the front wall in the T-shaped groove; a through hole is formed in the center of the center accommodating groove, and a connecting shaft hole is formed in the bottom plate corresponding to the center hole of the circuit board; six welding pin terminals are cylinders, are respectively inserted into the fixing grooves on two sides of the rear wall in the T-shaped grooves in the three fixing blocks on the bottom plate of the welding pin terminal seat, and pass through the insertion holes on the bottom plate to the circuit board insertion holes; three pairs of conductive components are respectively arranged in T-shaped grooves in three fixed blocks on the bottom plate of the welding pin terminal seat, and the conductive components comprise: the contact terminal is a plate body, a through hole is formed in the center of the contact terminal, the contact terminal is arranged in the T-shaped groove, and two sides of the contact terminal correspond to the welding pin terminals in the fixing grooves on two sides of the rear wall in the T-shaped groove; the front part of the telescopic column passes through the through hole in the center of the contact terminal and stretches into the center accommodating groove from the central channel in the rear wall of the T-shaped groove; the spring is sleeved at the rear part of the telescopic column, the front end of the spring is propped against the contact terminal, and the rear end of the spring is fixed on a supporting block convexly arranged on the front wall in the T-shaped groove; the adjusting wheel is arranged in the central accommodating groove, a central shaft hole is axially formed in the center of the adjusting wheel, and one side of the inner wall of the central shaft hole is a limiting plane; a positioning groove is formed in one side of the outer side face of the adjusting wheel, a guide groove penetrating through the positioning groove is formed in the center of the outer side face along the circumferential direction, and the width and the depth of the positioning groove are larger than those of the guide groove; the rotating shaft penetrates through the central shaft hole in the center of the regulating wheel, the central hole of the circuit board and the base shaft hole, and the middle part and the upper part of one side surface of the rotating shaft are planes matched with the limit plane on one side of the inner wall of the central shaft hole of the regulating wheel so as to be relatively fixed with the regulating wheel; a step is arranged at the lower part of the plane of the rotating shaft so as to limit the adjusting wheel; the upper end of the rotating shaft is radially provided with a mounting through hole; the electric connector is arranged at the rear part of the upper end face of the circuit board, a plurality of conductive terminals are arranged on the electric connector and are respectively inserted into connecting holes arranged at the rear part of the circuit board; the upper cover is a shell structure with an opening at the lower end, the front part of the upper cover is an isosceles trapezoid structure and a square frame structure which are matched with the front part and the rear part of the base in shape, and the rear part of the upper cover is provided with a hollowed-out structure for the electric connector to penetrate through; the front and rear sides of the upper cover are respectively provided with a connecting part matched with the front and rear fixing parts on the front and rear sides of the base; a central through hole for the rotating shaft to pass through is arranged in the center of the top surface of the upper cover, an arc-shaped groove is arranged along the central through hole, an arc-shaped clamping block is convexly arranged at the front part of the arc-shaped groove, a notch is arranged at the upper edge of the middle part of the arc-shaped clamping block, and two sides of the upper cover are provided with fixed connecting holes corresponding to the base fixing holes; the label is arc-shaped and is arranged in front of the top surface of the upper cover, and corresponds to three side parts of the isosceles trapezoid structure at the front part of the welding needle terminal seat, and a landing door bypass, a normal landing door bypass and a car door bypass are respectively marked; the knob is a shell structure with an opening at the lower end, the center of the front part of the knob is a frame structure provided with an observation window, and two sides of the rear part of the frame structure are provided with baffles; the rear part of the knob is a knob body, a ring body is arranged below the knob body, annular guide grooves matched with the arc-shaped clamping blocks on the top surface of the upper cover are arranged at the front part of the ring body and the lower parts of the baffle plates on two sides of the frame structure, and the ring body corresponds to the arc-shaped grooves on the top surface of the upper cover; a shaft sleeve is vertically arranged in the center of the ring body, one side of the inner wall of the shaft sleeve is a plane, a fixed clamping block is arranged at the upper part of the shaft sleeve near the inner side of the frame structure, and the shaft sleeve radial direction and the fixed clamping block are provided with connecting through holes communicated with the frame structure; the shaft sleeve is covered on the rotating shaft, and is connected with the upper installation through hole of the rotating shaft through a connecting pin penetrating through the connecting through hole; the fixed clamping blocks are positioned at two sides of the frame structure and are provided with clamping grooves in a protruding mode; the size of the observation window corresponds to one of three marks on the label; the knob spring fastener comprises a base part which is vertically arranged, a bending part which is bent and extended in a C shape from the base part, an elastic arm which is extended from the bending part, and a spanner part which is formed at the tail end of the elastic arm; the base part two sides are inserted into the clamping grooves on the two sides of the fixed clamping block and are propped against the outer end parts of the connecting pins, the lower parts of the elastic arms are movably embedded into the limiting notches on the upper edges of the middle parts of the arc-shaped clamping blocks, and the width of the spanner parts is larger than that of the elastic arms and is matched with the intervals between the baffle plates on the two sides of the rear part of the knob frame structure.
Preferably, the base of the knob spring fastener is provided with a plurality of protruding thorns protruding from two sides of the base.
Preferably, the front fixing part and the rear fixing part of the outer walls of the front side and the rear side of the base are protruding blocks with grooves, a barb structure is arranged on one side wall in each groove, the upper cover connecting part is a connecting block with a hook part, the connecting block is formed by downwards extending from the side surface of the upper cover, the connecting block is inserted into each groove, and the hook part of the connecting block is matched and locked with the barb structure.
The invention has the beneficial effects that:
The invention bypasses landing door or car door contacts through a three-position knob switch. The scheme replaces the traditional way of shorting the door lock loop by shorting the wire, and accords with the automatic entering of an emergency electric/maintenance operation mode when the door lock bypasses. The elevator is in a door lock bypass state and a normal running state, and is more intuitively embodied in a markup language form.
① Marking "bypass" words on or near landing door and car door bypass devices, and marking the "bypass" or "off" status of the bypass devices;
② The landing door closing contact, landing door locking contact, car door closing contact and car door locking contact can be bypassed; contacts that cannot simultaneously bypass landing doors and car doors; for manual landing doors, the landing door closing contacts and landing door locking contacts cannot be bypassed at the same time;
③ Allowing the car to run after the bypass car door closes the contacts when the independent monitoring signal confirms that the car door is in the closed position; the requirement also applies to the case where the door closing contacts and the door lock contacts are in common.
According to the elevator landing door and the elevator car door short circuit prevention device, the elevator landing door and the elevator car door design requirements can be met, the elevator landing door is prevented from being short-circuited at the same time, and the safety in the maintenance process is improved.
Compared with the past structure, the elevator bypass contact protection device has the advantages that the structure assembly procedure is simplified and improved, so that the actual operation and production are convenient, the working time is shortened, and the cost is reduced.
Drawings
Fig. 1 is a perspective view of fig. 1 according to an embodiment of the present invention.
Fig. 2 is a perspective view of fig. 2 according to an embodiment of the present invention.
Fig. 3 is an exploded perspective view of an embodiment of the present invention.
Fig. 4 is a top view of an embodiment of the present invention.
Fig. 5 is a cross-sectional view A-A of fig. 4.
Fig. 6 is a perspective view of a pin terminal holder mated with a circuit board, a conductive assembly, and a pin terminal in an embodiment of the present invention.
Fig. 7 is a top view of the pin terminal holder mated with the circuit board, the conductive assembly, and the pin terminal in an embodiment of the present invention.
Fig. 8 is a bottom view of the pin terminal holder mated with the circuit board, the conductive assembly, and the pin terminal in an embodiment of the invention.
Fig. 9 is a perspective view of a solder pin terminal block according to an embodiment of the present invention.
Fig. 10 is a perspective view of the upper cover and the base in the embodiment of the invention.
Fig. 11 is a perspective view of a knob according to an embodiment of the present invention.
Fig. 12 is a perspective view of a knob according to an embodiment of the present invention.
Fig. 13 is a perspective view of a knob spring button in an embodiment of the invention.
Detailed Description
Referring to fig. 1 to 13, the bypass contact protection device for an elevator according to the present invention includes:
The base 1 is a shell with an opening at the upper end, the front frame of the base is of an isosceles trapezoid structure, and the rear part of the base is of a square frame structure; the middle part of the base 1 is provided with a shaft hole 101, the outer walls of the two sides of the front part of the base 1 are respectively provided with a front fixing part 102 and 102', and the two sides of the rear part of the base 1 are respectively provided with a rear fixing part 103 and 103' and fixing holes 104 and 104';
A circuit board 2, which is disposed in the base 1 and has a rectangular shape, wherein two sides and a front end of the front portion of the circuit board 2 are respectively provided with a pair of plugging holes 21, 21 '(the plugging holes 21, 21' are taken as examples, and the same applies below), so as to form a three-pair plugging hole layout; the rear part of the circuit board 1 is provided with a plurality of connecting holes 22; the middle part of the circuit board 2 is provided with a central hole 23 corresponding to the shaft hole 101 of the base 1;
The welding pin terminal seat 3 is arranged at the front part of the circuit board 2 and above the front part of the base 1, and comprises a bottom plate 31, three fixing blocks 32 (taking the fixing blocks 32 as an example and the same applies below) which are convexly arranged on the bottom plate 31 in a finished product shape, and a central accommodating groove 33 surrounded by the rear end surfaces of the three fixing blocks 32; the fixed block 32 is provided with a T-shaped groove 321, two sides of the back wall in the T-shaped groove 321 are respectively provided with a fixed groove 322 and 322', the bottom plate 31 corresponding to the fixed grooves 322 and 322' is provided with an inserting hole 311 and 311', and the center of the back wall of the T-shaped groove 321 is provided with a channel 323 communicated with the center accommodating groove 33; a supporting block 324 is convexly arranged on the front wall in the T-shaped groove 321; a through hole 331 is arranged in the center of the central accommodating groove 33, and a connecting shaft hole 312 is correspondingly arranged on the bottom plate 31 corresponding to the central hole 23 of the circuit board 2;
Six welding pin terminals 4, 4' (taking welding pin terminals 4, 4' as an example and the same applies below) are cylinders, and are respectively inserted into the fixing grooves 322, 322' on two sides of the rear wall in the T-shaped groove 321 in the three fixing blocks 32 on the bottom plate 31 of the welding pin terminal seat 3, and pass through the insertion holes 311, 311' on the bottom plate 31 to the insertion holes 21, 21' of the circuit board 2;
three sets of conductive assemblies 5, 5', 5″ are respectively disposed in T-shaped grooves 321 in three fixing blocks on the bottom plate 31 of the welding pin terminal block 3, and the conductive assemblies 5 (conductive assemblies 5 are exemplified as follows) include:
A contact terminal 51, which is a plate body, and has a through hole 511 at the center, wherein the contact terminal 51 is disposed in the T-shaped groove 321, and two sides of the contact terminal correspond to the welding pin terminals 4, 4 'in the fixing grooves 322, 322' at two sides of the rear wall in the T-shaped groove 321;
A telescopic column 52 having a front portion passing through the through hole 511 at the center of the contact terminal 51 and extending from the rear wall central passage 323 of the T-shaped groove 321 into the central receiving groove 33;
the spring 53 is sleeved at the rear part of the telescopic column 52, the front end of the spring is propped against the contact terminal 51, and the rear end of the spring is fixed on the supporting block 324 protruding from the front wall in the T-shaped groove 321;
The adjusting wheel 6 is arranged in the central accommodating groove 33, a central shaft hole 61 is axially formed in the center of the adjusting wheel 6, and one side of the inner wall of the central shaft hole 61 is a limiting plane 611; a positioning groove 62 is formed in one side of the outer side surface of the adjusting wheel 6, a guide groove 63 which is communicated with the positioning groove 62 is formed in the center of the outer side surface along the circumferential direction, and the width and depth of the positioning groove 62 are larger than those of the guide groove 63;
The rotating shaft 7 is penetrated through the central shaft hole 61 in the center of the adjusting wheel 6, the central hole 23 of the circuit board 2 and the shaft hole 101 of the base 1, and the middle part and the upper part of one side surface of the rotating shaft 7 are planes 71 matched with a limit plane 611 on one side of the inner wall of the central shaft hole 61 of the adjusting wheel 6 so as to be relatively fixed with the adjusting wheel 6; a step 72 is arranged at the lower part of the plane 71 of the rotating shaft 7 so as to limit the adjusting wheel 6; the upper end of the rotating shaft 7 is radially provided with a mounting through hole 73;
the electric connector 8 is arranged at the rear part of the upper end surface of the circuit board 2, a plurality of conductive terminals 81 are arranged on the electric connector 8 and are respectively inserted into connecting holes 22 arranged at the rear part of the circuit board 2;
The upper cover 9 is a shell structure with an opening at the lower end, the front part of the upper cover 9 is an isosceles trapezoid structure and a square frame structure which are matched with the front part and the rear part of the base 1 in shape, and the rear part of the upper cover 9 is provided with a hollowed-out structure for the electric connector 8 to penetrate through; the front and rear sides of the upper cover 9 are respectively provided with connecting parts 91 and 92 matched with front fixing parts 102 and 102 'and rear fixing parts 103 and 103' on the front and rear sides of the base 1; the center of the top surface of the upper cover 9 is provided with a center through hole 93 for the rotating shaft 7 to pass through, an arc-shaped groove 94 is arranged along the center through hole 93, an arc-shaped clamping block 95 is convexly arranged at the front part of the arc-shaped groove 94, a notch 951 is arranged at the upper edge of the middle part of the arc-shaped clamping block 95, and two sides of the upper cover 9 are provided with fixed connecting holes 96 and 96 'corresponding to the fixed holes 104 and 104' of the base 1;
The label 10 is arc-shaped and is arranged in front of the top surface of the upper cover 9, and corresponds to three side parts of the isosceles trapezoid structure at the front part of the welding needle terminal seat 3, and a landing door bypass, a normal landing door bypass and a car door bypass are respectively marked;
The knob 11 is a shell structure with an opening at the lower end, the front center of the knob is provided with a frame structure 111 with an observation window 1111, and two sides of the rear part of the frame structure 111 are provided with baffles 1112 and 1112'; the rear part of the knob 11 is provided with a knob body 112, a ring body 113 is arranged below the knob body 112, annular guide grooves 118 and 118 'matched with the arc-shaped clamping blocks 95 on the top surface of the upper cover 9 are arranged at the front part of the ring body 113 and at the lower parts of the baffles 1112 and 1112' on the two sides of the frame structure 111, and the ring body 113 corresponds to the arc-shaped groove 94 on the top surface of the upper cover 9; a shaft sleeve 114 is vertically arranged in the center of the ring body 113, one side of the inner wall of the shaft sleeve 114 is a plane 1141, a fixed clamping block 115 is arranged at the upper part of the shaft sleeve 114 near the inner side of the frame structure, and a connecting through hole 116 communicated with the inside of the frame structure 111 is arranged at the radial direction of the shaft sleeve 114 and the fixed clamping block 115; the shaft sleeve 114 is covered on the rotating shaft 7, and is connected with the upper mounting through hole 73 of the rotating shaft 7 through a connecting pin 117 penetrating through a connecting through hole 116; the fixing clamping blocks 115 are located at two sides of the frame structure 111 and are provided with clamping grooves 1151 and 1151'; the size of the observation window 1111 corresponds to one of three identifiers on the tag 10;
the knob latch 12 includes a vertically disposed base 121, a curved portion 122 extending from the base 121 in a C-shape, an elastic arm 123 extending from the curved portion 122, and a wrench portion 124 formed at the end of the elastic arm 123, as shown in fig. 12;
The two sides of the base 121 are inserted into the clamping grooves 1151, 1151 'on the two sides of the fixed clamping block 115 and abut against the outer end of the connecting pin 117, the lower portion of the elastic arm 123 is movably embedded into the limit notch 951 on the upper edge of the middle portion of the arc-shaped clamping block 95, and the width of the wrench portion 124 is greater than that of the elastic arm 123 and is matched with the distance between the baffles 1112, 1112' on the two sides of the rear portion of the frame structure 111 of the knob 11.
Preferably, the base 121 of the knob latch 12 has a plurality of barbs 1211 protruding from both sides thereof.
Preferably, the front fixing portions 102, 102 'and the rear fixing portions 103, 103' of the outer walls on the two sides of the front and rear portions of the base 1 are protrusions with grooves 1021 (the front fixing portion 102 is exemplified, and the same applies below), a barb structure 1022 is provided on one side wall in the groove 1021, and the connecting portions 91, 92 of the upper cover 9 are connecting blocks with hooks 911 formed by extending downward from the side surfaces of the upper cover 9, and the connecting blocks are inserted into the grooves 1021, and the hooks 911 are locked with the barb structure 1022 in a matching manner.
When the invention works, a user pulls the spanner part 124 of the knob spring buckle 12 to enable the elastic arm 123 of the limit notch 951 embedded in the upper edge of the middle part of the arc-shaped clamping block 95 to be separated from the limit notch 951, so that the knob 11 can be rotated to the position shown by the label 10 according to the requirement;
The knob 11 drives the adjusting wheel 6 through the rotating shaft 7, and the width and depth of the positioning groove 62 on the adjusting wheel 6 are larger than those of the guide groove 63, so that the front end part of the telescopic column 52 acted by the spring 53 is embedded into the positioning groove 62, and the contact terminal 51 fixed on the telescopic column 52 moves forwards to contact with the welding pin terminals 4 and 4 'in the fixing grooves 322 and 322' on the two sides of the rear wall in the T-shaped groove 321, so that the welding pin terminals are conducted. The telescopic posts at the other two positions cannot move forward because the depth of the guide groove 63 on the adjusting wheel 6 is smaller than the depth of the positioning groove 62, so that the contact terminals cannot contact and conduct the two welding pin terminals at the positions.
Claims (3)
1. An elevator bypass contact protection device, comprising:
The base is a shell with an opening at the upper end, the front frame of the base is of an isosceles trapezoid structure, and the rear part of the base is of a square frame structure; the middle part of the base is provided with a shaft hole, the outer walls of the two sides of the front part of the base are respectively provided with a front fixing part in a protruding way, and the two sides of the rear part of the base are respectively provided with a rear fixing part and a fixing hole;
The circuit board is arranged in the base and is rectangular, and two sides and the front end part of the front part of the circuit board are respectively provided with a pair of plug holes to form three pairs of plug hole layouts; the rear part of the circuit board is provided with a plurality of connecting holes; the middle part of the circuit board is provided with a central hole corresponding to the shaft hole of the base;
The welding pin terminal seat is arranged at the front part of the circuit board and above the front part of the base and comprises a bottom plate, three fixing blocks convexly arranged on the bottom plate in a finished product shape and a central accommodating groove surrounded by the rear end surfaces of the three fixing blocks; the fixing block is provided with a T-shaped groove, two sides of the rear wall in the T-shaped groove are respectively provided with a fixing groove, a jack is arranged on the bottom plate corresponding to the fixing groove, and the center of the rear wall of the T-shaped groove is provided with a channel communicated with the central accommodating groove; a supporting block is convexly arranged on the front wall in the T-shaped groove; a through hole is formed in the center of the center accommodating groove, and a connecting shaft hole is formed in the bottom plate corresponding to the center hole of the circuit board;
six welding pin terminals are cylinders, are respectively inserted into the fixing grooves on two sides of the rear wall in the T-shaped grooves in the three fixing blocks on the bottom plate of the welding pin terminal seat, and pass through the insertion holes on the bottom plate to the circuit board insertion holes;
three pairs of conductive components are respectively arranged in T-shaped grooves in three fixed blocks on the bottom plate of the welding pin terminal seat, and the conductive components comprise:
the contact terminal is a plate body, a through hole is formed in the center of the contact terminal, the contact terminal is arranged in the T-shaped groove, and two sides of the contact terminal correspond to the welding pin terminals in the fixing grooves on two sides of the rear wall in the T-shaped groove;
The front part of the telescopic column passes through the through hole in the center of the contact terminal and stretches into the center accommodating groove from the central channel in the rear wall of the T-shaped groove;
the spring is sleeved at the rear part of the telescopic column, the front end of the spring is propped against the contact terminal, and the rear end of the spring is fixed on a supporting block convexly arranged on the front wall in the T-shaped groove;
The adjusting wheel is arranged in the central accommodating groove, a central shaft hole is axially formed in the center of the adjusting wheel, and one side of the inner wall of the central shaft hole is a limiting plane; a positioning groove is formed in one side of the outer side face of the adjusting wheel, a guide groove penetrating through the positioning groove is formed in the center of the outer side face along the circumferential direction, and the width and the depth of the positioning groove are larger than those of the guide groove;
The rotating shaft penetrates through the central shaft hole in the center of the regulating wheel, the central hole of the circuit board and the base shaft hole, and the middle part and the upper part of one side surface of the rotating shaft are planes matched with the limit plane on one side of the inner wall of the central shaft hole of the regulating wheel so as to be relatively fixed with the regulating wheel; a step is arranged at the lower part of the plane of the rotating shaft so as to limit the adjusting wheel; the upper end of the rotating shaft is radially provided with a mounting through hole;
The electric connector is arranged at the rear part of the upper end face of the circuit board, a plurality of conductive terminals are arranged on the electric connector and are respectively inserted into connecting holes arranged at the rear part of the circuit board;
The upper cover is a shell structure with an opening at the lower end, the front part of the upper cover is an isosceles trapezoid structure and a square frame structure which are matched with the front part and the rear part of the base in shape, and the rear part of the upper cover is provided with a hollowed-out structure for the electric connector to penetrate through; the front and rear sides of the upper cover are respectively provided with a connecting part matched with the front and rear fixing parts on the front and rear sides of the base; a central through hole for the rotating shaft to pass through is arranged in the center of the top surface of the upper cover, an arc-shaped groove is arranged along the central through hole, an arc-shaped clamping block is convexly arranged at the front part of the arc-shaped groove, a notch is arranged at the upper edge of the middle part of the arc-shaped clamping block, and two sides of the upper cover are provided with fixed connecting holes corresponding to the base fixing holes;
the label is arc-shaped and is arranged in front of the top surface of the upper cover, and corresponds to three side parts of the isosceles trapezoid structure at the front part of the welding needle terminal seat, and a landing door bypass, a normal landing door bypass and a car door bypass are respectively marked;
The knob is a shell structure with an opening at the lower end, the center of the front part of the knob is a frame structure provided with an observation window, and two sides of the rear part of the frame structure are provided with baffles; the rear part of the knob is a knob body, a ring body is arranged below the knob body, annular guide grooves matched with the arc-shaped clamping blocks on the top surface of the upper cover are arranged at the front part of the ring body and the lower parts of the baffle plates on two sides of the frame structure, and the ring body corresponds to the arc-shaped grooves on the top surface of the upper cover; a shaft sleeve is vertically arranged in the center of the ring body, one side of the inner wall of the shaft sleeve is a plane, a fixed clamping block is arranged at the upper part of the shaft sleeve near the inner side of the frame structure, and the shaft sleeve radial direction and the fixed clamping block are provided with connecting through holes communicated with the frame structure; the shaft sleeve is covered on the rotating shaft, and is connected with the upper installation through hole of the rotating shaft through a connecting pin penetrating through the connecting through hole; the fixed clamping blocks are positioned at two sides of the frame structure and are provided with clamping grooves in a protruding mode; the size of the observation window corresponds to one of three marks on the label;
The knob spring fastener comprises a base part which is vertically arranged, a bending part which is bent and extended in a C shape from the base part, an elastic arm which is extended from the bending part, and a spanner part which is formed at the tail end of the elastic arm; the base part two sides are inserted into the clamping grooves on the two sides of the fixed clamping block and are propped against the outer end parts of the connecting pins, the lower parts of the elastic arms are movably embedded into the limiting notches on the upper edges of the middle parts of the arc-shaped clamping blocks, and the width of the spanner parts is larger than that of the elastic arms and is matched with the intervals between the baffle plates on the two sides of the rear part of the knob frame structure.
2. The elevator bypass contact protection device of claim 1, wherein the base of the knob spring has a plurality of prongs protruding from both sides thereof.
3. The elevator bypass contact protection device according to claim 1, wherein the front fixing part and the rear fixing part of the outer walls of the front side and the rear side of the base are protruding blocks with grooves, a barb structure is arranged on one side wall in each groove, the upper cover connecting part is a connecting block with a hook part, which is formed by extending downwards from the side surface of the upper cover, and the connecting block is inserted into the grooves, and the hook parts of the connecting block are matched and locked with the barb structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| US6962510B1 (en) * | 2004-08-05 | 2005-11-08 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector having improved structure regarding terminals |
| CN102354964A (en) * | 2011-10-12 | 2012-02-15 | 上海合璧电子元件有限公司 | Surge absorber containing non-solid conductor |
| CN209161243U (en) * | 2018-09-05 | 2019-07-26 | 沈阳远大智能工业集团股份有限公司 | Easy layer door and gate shunting device |
| CN209758772U (en) * | 2019-04-28 | 2019-12-10 | 无锡创联科技有限公司 | elevator door lock bypass device |
| CN210517011U (en) * | 2019-09-02 | 2020-05-12 | 上海合璧电子电器有限公司 | Quick-insertion type electric connector |
| CN212608873U (en) * | 2020-07-02 | 2021-02-26 | 上海合璧电子电器有限公司 | Elevator bypass contact protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201142425Y (en) * | 2007-12-06 | 2008-10-29 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
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|---|---|---|---|---|
| US6962510B1 (en) * | 2004-08-05 | 2005-11-08 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector having improved structure regarding terminals |
| CN102354964A (en) * | 2011-10-12 | 2012-02-15 | 上海合璧电子元件有限公司 | Surge absorber containing non-solid conductor |
| CN209161243U (en) * | 2018-09-05 | 2019-07-26 | 沈阳远大智能工业集团股份有限公司 | Easy layer door and gate shunting device |
| CN209758772U (en) * | 2019-04-28 | 2019-12-10 | 无锡创联科技有限公司 | elevator door lock bypass device |
| CN210517011U (en) * | 2019-09-02 | 2020-05-12 | 上海合璧电子电器有限公司 | Quick-insertion type electric connector |
| CN212608873U (en) * | 2020-07-02 | 2021-02-26 | 上海合璧电子电器有限公司 | Elevator bypass contact protection device |
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| CN112850399A (en) | 2021-05-28 |
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