CN216272617U

CN216272617U - Contact switch of elevator door motor

Info

Publication number: CN216272617U
Application number: CN202122788501.9U
Authority: CN
Inventors: 于建明; 吴佳桓
Original assignee: Zhejiang Xunqi Technology Co ltd
Current assignee: Zhejiang Xunqi Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-12
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to the technical field of electrical contact switches of elevator doors, and discloses an electrical contact switch of an elevator door motor. The utility model ensures the locking distance and the locking depth of the fixed lock head and the movable lock head through the series connection of the three contacts, and simultaneously, the contacts are all arranged in the three-position limit electric switch, thereby effectively avoiding the external influence of dust and sundries, and simultaneously being difficult to oxidize and ensuring good contact.

Description

Contact switch of elevator door motor

Technical Field

The utility model relates to the technical field of electrical contact switches of elevator doors, in particular to a contact switch of an elevator door motor.

Background

The elevator door machine locking device comprises mechanical locks which are buckled with each other and an electric lock for determining the position of the mechanical lock, wherein a traction motor is driven to act after an electric component fixed on another elevator door is communicated through a contact piece on a mechanical lock head, the specific relative position between a fixed lock head and a movable lock head needs to be manually determined during installation time due to the difference of installation size and reserved error, the existing single-contact electric lock is fixedly installed on an installation plate, so that only the relative position relation between the movable lock head and the installation plate can be determined, main indexes such as the occlusion depth of the fixed lock head and the movable lock head are difficult to detect, and simultaneously exposed contacts are easy to oxidize, so that the elevator door machine contact switch is provided in view of the insufficient conditions

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: in order to overcome the problems in the prior art, an elevator door motor contact switch is provided, which solves the problems.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme:

the utility model provides an elevator door motor contact switch, includes mounting panel, fixed tapered end, activity tapered end, pressure head spring, croquet, fixed tapered end passes through the bolt fastening on the mounting panel, still includes tapered end welding straight board, welding right-angle board, the spacing electric switch in three position, tapered end welding straight board weld in on the fixed tapered end, the welding right-angle board weld in on the mounting panel, the spacing electric switch in three position is fixed in activity tapered end front end, be equipped with first electric room in the spacing electric switch in three position, the level is equipped with leading electric pole in the first electric room, the right half section of leading electric pole is electrically conductive left half section is insulating, still the level is equipped with the conducting rod in the first electric room, the left end face of first electric room is equipped with the through-hole, the slip is equipped with the contact from side to side in the first electric room, the right half section of leading electric pole simultaneously with the electric pole, the conductive rod is abutted, the left half section of the contact penetrates out of the three-position limit electrical switch, a compensation spring is arranged between the contact and the conductive rod, the right end of the main conductive rod is electrically connected with a traction motor of an elevator, a second electrical chamber is further integrally formed in the three-position limit electrical switch, the lower end face of the second electrical chamber is parallel to the fixed lock head, a double-contact blade is hinged in the fixed lock head, conductive parts are fixedly arranged at the left end and the right end of the lower end face of the double-contact blade, an opening is formed in the lower end face of the three-position limit electrical switch, a conductive pressure head is movably arranged in the second electrical chamber, pressure head contacts are fixedly arranged at the left end and the right end of the upper end face of the conductive pressure head, the distance between the pressure head contacts is consistent with the distance between the conductive parts on the double-contact blade, and an elastic part is fixedly arranged between the upper end face of the other end of the double-contact blade and the upper wall face of the inner wall of the second electrical chamber, the wall is fixed to be equipped with a contact on the inner wall of second electric room, the conducting rod with a contact electric property intercommunication, the second electric indoor upper and lower slip is equipped with the trigger bar, the trigger bar is located under the contact, the hinged end of double contact blade is connected in the power, the other end of double contact blade with the upper end electric connection of trigger bar.

Preferably, the lower end of the trigger rod is fixedly provided with a wear-resistant metal sheet.

Preferably, the upper end of the trigger rod is fixedly provided with a permanent magnet with an upward S pole, and the lower end of the supporting contact is fixedly provided with a permanent magnet with a downward N pole.

Preferably, a metal sliding sheet is integrally formed at the right end of the contact, and the metal sliding sheet is an arc-shaped metal strip integrally formed by zinc-tin-copper alloy.

Preferably, the left end face of the contact is bonded with a rubber cushion.

The utility model has the advantages and positive effects that: the X-direction position relation of the movable lock head and the mounting plate is confirmed through the connection point of the trigger rod and the branch contact, the Z-direction occlusion depth relation of the movable lock head and the fixed lock head is confirmed through the double-contact connection of the conductive pressure head and the second electric chamber, the X-direction position relation of the movable lock head and the fixed lock head is confirmed through the contact condition of the contact head and the main electric pole, whether the connection relation between the fixed lock head and the mounting plate is loosened or not can be detected, the locking distance and the locking depth of the fixed lock head and the movable lock head are ensured through the series connection of the three contacts, meanwhile, the contacts are all arranged in the three-position limiting electric switch, the external influence of dust and sundries can be effectively avoided, and meanwhile, the contacts are not easy to oxidize and good contact is ensured.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic perspective view of a prior art switch;

FIG. 3 is an enlarged schematic view of the three-position limit electrical switch of FIG. 1;

FIG. 4 is an enlarged schematic view of the dual contact blade of FIG. 3;

fig. 5 is an enlarged schematic view of the contact of fig. 1.

The scores in the figures are as follows: 10. a ram spring; 11. a gate ball; 12. fixing the lock head; 13. a movable lock head; 14. a three-position limit electrical switch; 15. mounting a plate; 17. welding a right-angle plate; 18. the lock head is welded with a straight plate; 20. a contact; 21. a first electrical chamber; 22. a second electrical chamber; 23. a conductive indenter; 24. a dual-contact blade; 25. a conductive rod; 26. leading an electric pole; 27. a trigger lever; 28. a supporting contact; 30. a metal slip sheet; 32. a pressure head contact; 33. and a compensation spring.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The embodiments of the utility model will be described in further detail below with reference to the accompanying drawings:

as shown in fig. 1-5, the elevator door motor contact switch of the present invention includes a mounting plate 15, a fixed lock head 12, a movable lock head 13, a pressure head spring 10, a door ball 11, wherein the fixed lock head 12 is fixed on the mounting plate 15 by a bolt, the elevator door motor contact switch further includes a lock head welding straight plate 18, a welding right-angle plate 17, and a three-direction limit electrical switch 14, the lock head welding straight plate 18 is welded on the fixed lock head 12, the welding right-angle plate 17 is welded on the mounting plate 15, the three-direction limit electrical switch 14 is fixed at the front end of the movable lock head 13, a first electrical chamber 21 is arranged in the three-direction limit electrical switch 14, a leading pole 26 is horizontally arranged in the first electrical chamber 21, a right half conductive section of the leading pole 26 is insulated, a left conductive half conductive section is also horizontally arranged in the first electrical chamber 21, a through hole is arranged on the left end surface of the first electrical chamber 21, the first electrical chamber 21 is internally provided with a contact 20 in a left-right sliding manner, the right half section of the contact 20 is abutted against the leading electrical pole 26 and the conductive rod 25, the left half section of the contact 20 penetrates out of the three-position limit electrical switch 14, a compensation spring 33 is arranged between the contact 20 and the conductive rod 25, the right end of the leading electrical pole 26 is electrically connected with a traction motor of an elevator, the three-position limit electrical switch 14 is internally provided with a second electrical chamber 22 in an integrated manner, the lower end face of the second electrical chamber 22 is parallel to the fixed lock head 12, the fixed lock head 12 is internally hinged with a double-contact blade 24, the left and right ends of the lower end face of the double-contact blade 24 are fixedly provided with conductive parts, the lower end face of the three-position limit electrical switch 14 is provided with an opening, the second electrical chamber 22 is internally movably provided with a conductive pressure head 23, and the left and right ends of the upper end face of the conductive pressure head 23 are fixedly provided with pressure head contacts 32, the distance between the pressure head contacts 32 is the same as the distance between the conductive parts on the double-contact blade 24, an elastic component is fixedly arranged between the upper end surface of the other end of the double-contact blade 24 and the upper wall surface of the inner wall of the second electrical chamber 22, a supporting contact 28 is fixedly arranged on the upper wall surface of the inner wall of the second electrical chamber 22, the conductive rod 25 is electrically communicated with the supporting contact 28, a trigger rod 27 is vertically slidably arranged in the second electrical chamber 22, the trigger rod 27 is positioned right below the supporting contact 28, the hinged end of the double-contact blade 24 is connected to a power supply, and the other end of the double-contact blade 24 is electrically connected with the upper end of the trigger rod 27;

when the movable lock 13 and the fixed lock 12 approach each other to prepare for locking, the front end of the movable lock 13 slides and rubs the inclined surface of the fixed lock 12 and then is buckled at the left end of the fixed lock 12, at this time, the contact 20 abuts against the lock welding straight plate 18 and moves rightwards after being extruded and contacts the right half section of the leading electric pole 26 and the conductive rod 25, so that the contact in the first electric chamber 21 is conducted, at this time, the relation between the movable lock 13 and the fixed lock 12 in the X direction is satisfied, at the same time, the movable lock 13 needs to compensate the distance of three to five millimeters to the left after completing buckling, so that the movable lock 13 and the fixed lock 12 should not directly contact to avoid damaging the lock due to car shake and the like in the operation process, and the contact 27 is conducted with the supporting contact 28 through the right-angle extrusion of the trigger rod 27 welded on the mounting plate 15 to ensure the distance between the movable lock 13 and the mounting plate 15 in the X direction, therefore, the mistaken touch caused by the looseness of the fixed lock head 12 relative to the mounting plate 15 can be avoided, in addition, the pressure head contact 32 is simultaneously contacted with two contacts on the double-contact blade 24 to complete the conduction of the double-contact blade 24 through the extrusion of the fixed lock head 12 on the conductive pressure head 23, and the meshing depth of the movable lock head 13 and the fixed lock head 12 is controlled in the space Z direction to avoid improving the safety.

Preferably, a wear-resistant metal sheet is fixedly arranged at the lower end of the trigger rod 27.

Preferably, a permanent magnet block with an upward S pole is fixedly arranged at the upper end of the trigger rod 27, and a permanent magnet block with a downward N pole is fixedly arranged at the lower end of the supporting contact 28;

the trigger rod 27 is separated from the contact point 28 under the condition of no pressure at the lower end by the principle of opposite polarities repulsion, and the mode has a simple structure, low failure rate and convenient installation.

Preferably, a metal sliding sheet 30 is integrally formed at the right end of the contact 20, and the metal sliding sheet 30 is an arc-shaped metal strip integrally formed by a zinc-tin-copper alloy;

the excellent corrosion resistance and good elasticity ensure good electrical conductivity under frequent contact over a long period of time.

Preferably, a rubber cushion is adhered to the left end face of the contact 20; for reducing the noise generated by frequent contact.

In specific implementation, when the movable lock 13 and the fixed lock 12 approach each other to be locked, the front end of the movable lock 13 slides and rubs the inclined surface of the fixed lock 12 and then is snapped at the left end of the fixed lock 12, at this time, the contact 20 abuts against the lock welding straight plate 18 and moves rightward after being pressed and contacts the right half section of the leading electric pole 26 and the conductive rod 25, so that the contact in the first electric chamber 21 is conducted, which indicates that the relation between the movable lock 13 and the fixed lock 12 in the X direction meets the requirement, at the same time, the movable lock 13 needs to compensate the distance of three to five millimeters leftward after completing snapping, so that the movable lock 13 and the fixed lock 12 should not directly contact to avoid damaging the lock due to car shake and the like in the operation process, and the trigger rod 27 is conducted with the supporting contact 28 by pressing the welding right-angle plate 17 welded on the mounting plate 15 to ensure the distance between the movable lock 13 and the mounting plate 15 in the X direction, therefore, the mistaken touch caused by the looseness of the fixed lock head 12 relative to the mounting plate 15 can be avoided, in addition, the pressure head contact 32 is simultaneously contacted with two contacts on the double-contact blade 24 to complete the conduction of the double-contact blade 24 through the extrusion of the fixed lock head 12 on the conductive pressure head 23, and the meshing depth of the movable lock head 13 and the fixed lock head 12 is controlled in the space Z direction to avoid improving the safety.

It should be emphasized that the embodiments described herein are illustrative rather than restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but other embodiments derived from the technical solutions of the present invention by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides an elevator door motor contact switch, includes mounting panel (15), fixed tapered end (12), activity tapered end (13), pressure head spring (10), gate ball (11), fixed tapered end (12) are fixed in through the bolt on mounting panel (15), its characterized in that: still include tapered end welding straight board (18), welding right-angle board (17), three position limit electrical switch (14), tapered end welding straight board (18) weld in on fixed tapered end (12), welding right-angle board (17) weld in on mounting panel (15), three position limit electrical switch (14) are fixed in activity tapered end (13) front end, be equipped with first electric room (21) in three position limit electrical switch (14), the level is equipped with leading pole (26) in first electric room (21), the right half section of leading pole (26) is electrically conductive left half section is insulating, still the level is equipped with conducting rod (25) in first electric room (21), the left end face of first electric room (21) is equipped with the through-hole, it is equipped with contact (20) to slide left and right in first electric room (21), the right half section of contact (20) simultaneously with leading pole (26), the conductive rods (25) are abutted, the left half section of the contact (20) penetrates out of the three-position limit electrical switch (14), a compensation spring (33) is arranged between the contact (20) and the conductive rods (25), the right end of the main conductive rod (26) is electrically connected with a traction motor of an elevator, a second electrical chamber (22) is further integrally formed in the three-position limit electrical switch (14), the lower end face of the second electrical chamber (22) is parallel to the fixed lock head (12), a double-contact blade (24) is hinged in the fixed lock head (12), conductive parts are fixedly arranged at the left end and the right end of the lower end face of the double-contact blade (24), an opening is arranged on the lower end face of the three-position limit electrical switch (14), a conductive pressure head (23) is movably arranged in the second electrical chamber (22), pressure heads (32) are fixedly arranged at the left end and the right end of the upper end face of the conductive pressure head (23), the utility model discloses a two electric control room, including two electric control room (22), pressure head contact (32), the upper end face of the inner wall of second electric control room (22), the upper end face of the other end of two contact blade (24) with it is unanimous to go up the distance between the conductive part on two contact blade (24), the up end of the other end of two contact blade (24) with it is equipped with elastomeric element to fix between the inner wall upper wall of second electric control room (22), fixed being equipped with of inner wall upper wall of second electric control room (22) props up contact (28), conducting rod (25) with prop up contact (28) electric intercommunication, it is equipped with trigger bar (27) to slide from top to bottom in second electric control room (22), trigger bar (27) are located under the contact (28), the hinged end of two contact blade (24) is connected in the power, the other end of two contact blade (24) with the upper end electric connection of trigger bar (27).

2. The elevator door contact switch of claim 1, wherein: and a wear-resistant metal sheet is fixedly arranged at the lower end of the trigger rod (27).

3. The elevator door contact switch of claim 2, wherein: the upper end of the trigger rod (27) is fixedly provided with a permanent magnet with an upward S pole, and the lower end of the supporting contact (28) is fixedly provided with a permanent magnet with a downward N pole.

4. The elevator door contact switch of claim 3, wherein: the right end integrated into one piece of contact (20) is equipped with metal gleitbretter (30), metal gleitbretter (30) are zinc tin copper alloy integrated into one piece's circular-arc metal strip.

5. The elevator door contact switch of claim 4, wherein: the left end face of the contact (20) is bonded with a rubber cushion.