CN218909536U

CN218909536U - Contact switch of elevator door and elevator door

Info

Publication number: CN218909536U
Application number: CN202223376832.2U
Authority: CN
Inventors: 李硕; 杨永富; 马会会
Original assignee: Best Electromechanical Jiaxing Co ltd
Current assignee: Best Electromechanical Jiaxing Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-25
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a contact switch of an elevator door and the elevator door, which comprise a socket and a plug assembly, wherein the socket comprises a seat body, a first elastic reed and two second elastic reeds, the first elastic reeds are arranged on the seat body, the two ends of each first elastic reed are respectively connected with a first contact, one end of each second elastic reed is arranged on the seat body and is connected with the elevator door through a wire, the other end of each second elastic reed is connected with a second contact, and the two first contacts are respectively arranged corresponding to the two second contacts; the plug assembly comprises two plugs, wherein the two plugs are respectively used for pushing the two first contacts so as to enable the two first contacts to respectively move towards the direction close to the second contacts, and enable the two first contacts to be abutted with and conducted with the two second contacts. The contact switch of the elevator door has the advantages of less number of parts, low manufacturing cost and high installation efficiency.

Description

Contact switch of elevator door and elevator door

Technical Field

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

Background

In elevator doors of elevators, contact switches are commonly used for controlling the opening and closing of the elevator doors or for controlling the stopping and starting of the elevator doors at the respective floors. Referring to fig. 1, after the electrical plug 2' of the contact switch 100' is connected with the contact of the spring plate inside the socket 1', the elevator control system controls the elevator to start, and after the door contact switch is disconnected, the elevator control system controls the elevator to stay at the corresponding position.

The existing contact switch 100' is in a single-switch mode, the reeds in the contact switch 100' are not mutually conducted, the metal contact pin 20' is arranged on the electric plug 2', the metal contact pin 20' is a U-shaped metal piece and is embedded in the electric plug 2', the reeds are mutually conducted through the downward pressing of the electric plug 2', a single detection point in the mode needs a socket 1' and an electric plug 2' component, if the situation that a door knife and a door hanging plate are in place needs to be detected in a door machine, two socket 1' and electric plug 2' components are needed, the socket 1' needs to be connected through a serial wire 300', the occupied space of the contact switch 100' is larger, the number of parts is large, and the assembly difficulty and the failure rate of the contact switch 100' are increased while the cost is increased.

Disclosure of Invention

The utility model mainly aims at providing a contact switch of an elevator door and the elevator door, and aims at solving the problem of how to reduce the number of parts required by the contact switch of the elevator door.

In order to achieve the above purpose, the utility model provides a contact switch of an elevator door, which comprises a socket and a plug assembly, wherein the socket comprises a seat body, a first elastic reed and two second elastic reeds, the first elastic reed is arranged on the seat body, and two ends of the first elastic reed are respectively connected with a first contact; one end of each second elastic reed is arranged on the seat body and is connected with the elevator door through a wire, the other end of each second elastic reed is connected with a second contact, and the two first contacts and the two second contacts are respectively and correspondingly arranged; the plug assembly comprises two plugs, wherein the two plugs are respectively used for pushing the two first contacts so as to enable the two first contacts to respectively move towards the directions close to the two second contacts, and enable the two first contacts to respectively abut against and be conducted with the two second contacts.

In an embodiment, the seat body is formed with a cavity, the first elastic reed and the second elastic reed are both located in the cavity, and a slot which is communicated with the cavity and used for the plug to insert is formed in the seat body at a position corresponding to each first contact.

In an embodiment, the first elastic reed comprises two elastic sections connected with each other, two ends of the two elastic sections, which are far away from each other, are respectively connected with two first contacts, the cavity is internally provided with a mounting seat, the socket further comprises two elastic pieces, and the two elastic sections are respectively abutted with the mounting seat through the two elastic pieces.

In an embodiment, the mounting seat is formed with two limiting grooves, the two elastic pieces are arranged in the two limiting grooves in a one-to-one correspondence manner, and one end, away from the corresponding elastic section, of the elastic piece is abutted to the corresponding limiting groove.

In an embodiment, a connecting corner is formed at the connecting position of the two elastic sections, a positioning block is further arranged in the cavity, a positioning protrusion is formed on the positioning block, and a positioning groove matched with the positioning protrusion is formed on the connecting corner.

In an embodiment, two connection blocks are further disposed in the cavity, the connection blocks are mounted on the seat body, one ends, far away from the second contact, of the two second elastic reeds are respectively connected with the two connection blocks, and the two wires are respectively connected with the two connection blocks.

In an embodiment, the slot opening of the slot is gradually widened towards a direction away from the cavity, and reinforcing walls are formed on the seat body at positions on two sides of the slot opening of the slot.

In an embodiment, the socket body is provided with a via hole communicated with the cavity, and the socket further comprises a connecting bolt, and the connecting bolt penetrates through the via hole and is used for being in threaded connection with external equipment.

In an embodiment, the plug includes a plug body and a pin connected to each other, the plug body is mounted on a driving device, and the driving device is configured to drive the plug body to move so as to drive the pin to push the corresponding first contact.

In addition, the utility model also provides an elevator door, and the elevator door is provided with the contact switch of the elevator door.

According to the technical scheme, the first elastic reed and the two second elastic reeds are arranged on the seat body, the two ends of the first elastic reed are respectively connected with the first contacts, one end of the second elastic reed is connected with the second contacts, the two first contacts are respectively arranged corresponding to the two second contacts, so that under the pushing of the two plugs, the two first contacts move towards the directions close to the two second contacts, the two first contacts are abutted to the two second contacts and are conducted, and accordingly the elevator door connected with the two second elastic reeds through the lead receives conduction signals of the two first contacts and the two second contacts, and accordingly the elevator door receives two in-place signals. According to the elevator door, two ends of the first elastic reed are respectively connected with two first contacts, one ends of the two second elastic reeds are respectively connected with the second contacts, and the first elastic reed and the two second elastic reeds are integrated into one seat body, so that two in-place signals can be detected by the elevator door. Compared with the prior art, the elevator door detection device adopts the scheme that the two contact switches are respectively connected with the elevator door so that the elevator door detects two in-place signals, the number of parts of the contact switch of the elevator door is reduced, the manufacturing cost of the contact switch of the elevator door is reduced, the installation efficiency is improved, and the installation space requirement of the contact switch of the elevator door can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art contact switch;

fig. 2 is a schematic view of a contact switch of an elevator door according to an embodiment of the present utility model;

FIG. 3 is a schematic view illustrating a structure of the first contact and the second contact in the embodiment of the utility model;

FIG. 4 is a schematic diagram of a socket according to an embodiment of the utility model;

FIG. 5 is an enlarged schematic view of area A of FIG. 4;

fig. 6 is another schematic structural view of a contact switch of an elevator door according to an embodiment of the present utility model.

Figure 1 reference numerals illustrate:

100', contact switches; 1', a socket; 2', an electrical plug; 20', metal pins; 300', series conductors.

Fig. 2 to 6 reference numerals illustrate:

100. contact switch of elevator door; 1. a socket; 10. a seat body; 11. a first spring reed; 12. a second elastic reed; 110. a first contact; 120. a second contact; 200. a wire; 20. a plug; 101. a slot; 111. an elastic section; 102. a mounting base; 1020. a limit groove; 1200. connecting the corners; 103. a positioning block; 1030. positioning the bulge; 1201. a positioning groove; 104. a junction block; 1010. a reinforcing wall; 105. a connecting bolt; 201. a plug body; 202. pins; 13. an elastic member; 2010. and a connection hole.

The achievement of the object, functional features and advantages of the present utility model will be further described with reference to the drawings in connection with the embodiments.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Please refer to fig. 2-5. The utility model provides a contact switch 100 of an elevator door, which comprises a socket 1 and a plug assembly, wherein the socket 1 comprises a seat body 10, a first elastic reed 11 and two second elastic reeds 12, the first elastic reed 11 is arranged on the seat body 10, two ends of the first elastic reed 11 are respectively connected with a first contact 110, one end of each second elastic reed 12 is arranged on the seat body 10 and is connected with the elevator door through a wire 200, the other end of each second elastic reed 12 is connected with a second contact 120, and the two first contacts 110 are respectively and correspondingly arranged with the two second contacts 120; the plug assembly comprises two plugs 20, wherein the two plugs 20 are respectively used for pushing the two first contacts 110 so as to enable the two first contacts 110 to respectively move towards the directions close to the second contacts 120, and enable the two first contacts 110 to be abutted against and conducted with the two second contacts 120.

In the technical solution of this embodiment, the first elastic reed 11 and the two second elastic reeds 12 are both installed on the seat body 10, and the two ends of the first elastic reed 11 are respectively connected with the first contacts 110, the one end of the second elastic reed 12 is connected with the second contacts 120, and the two first contacts 110 are respectively and correspondingly arranged with the two second contacts 120, so that under the pushing of the two plugs 20, the two first contacts 110 respectively move towards the directions close to the two second contacts 120, and the two first contacts 110 are abutted to the two second contacts 120 and are conducted, so that the elevator door connected by the two second elastic reeds 12 through the wires 200 respectively receives the conducting signals of the two first contacts 110 and the two second contacts 120, and the elevator door receives the two in-place signals. In this embodiment, two ends of the first elastic reed 11 are respectively connected with two first contacts 110, two second elastic reeds 12 are respectively connected with the second contacts 120, and the first elastic reed 11 and the two second elastic reeds 12 are integrated into one seat body 10, so that the elevator door can detect two in-place signals. Compared with the prior art, the scheme that two contact switches 100' are respectively connected with the elevator door so that the elevator door detects two in-place signals is adopted, the number of parts of the contact switch 100 of the elevator door is reduced, the manufacturing cost of the contact switch 100 of the elevator door is reduced, the installation efficiency is improved, and the installation space requirement of the contact switch 100 of the elevator door can be reduced. In this embodiment, two second contacts 120 are respectively connected with a wire 200, the wires connected with the two second contacts 120 can be connected with the elevator door body, two plugs 20 can be respectively connected with the door knife and the hanging door plate of the elevator door, and only after the two plugs 20 respectively push the two first contacts 110 to abut against the two second contacts 120, the elevator door can receive in-place signals of the door knife and the hanging door plate at the same time.

In an embodiment, the outer surfaces of the first contact 110 and the second contact 120 may be silver plated to enhance the electrical conductivity of the first contact 110 and the second contact 120, and also to prevent corrosion of the surfaces of the first contact 110 and the second contact 120, reducing equipment maintenance costs.

In an embodiment, the seat body 10 is formed with a cavity, the first elastic reed 11 and the second elastic reed 12 are both located in the cavity, the position of the seat body 10 corresponding to each first contact 110 is provided with a slot 101 which is communicated with the cavity and is used for inserting the plug 20, in this embodiment, the first elastic reed 11 and the second elastic reed 12 are both arranged in the cavity, the first elastic reed 11 and the second elastic reed 12 can be prevented from being influenced by sundries such as dust, the position of the seat body 10 corresponding to each first contact 110 is provided with a slot 101 for inserting the plug 20, the plug 20 can extend into the cavity, so that the first contact 110 is pushed to move towards the second contact 120, and after the plug 20 is separated from the slot 101, the first contact 110 moves towards a direction away from the second contact 120 under the action of the elastic force of the first elastic reed 11, so that the first contact 110 and the second contact 120 are separated from abutting.

In an embodiment, the first elastic reed 11 includes two elastic segments 111 connected to each other, one ends of the two elastic segments 111 away from each other are respectively connected with the first contact 110, the cavity is provided with the mounting seat 102, the socket 1 further includes two elastic members 13, and the two elastic segments 111 are respectively abutted with the mounting seat 102 through the two elastic members 13. In this embodiment, two ends of each elastic member 13 are respectively abutted with the corresponding elastic section 111 and the mounting seat 102, when the plug 20 is inserted into the socket 101, the plug 20 pushes the first contact 110 to move towards the second contact 120, in this process, the elastic members 13 disposed between the mounting seat 102 and the elastic sections 111 are compressed, the elastic members 13 store elastic force, and after the plug 20 is separated from the socket 101, the two elastic sections 111 can drive the first contact 110 and the second contact 120 to separate from and abut under the action of the elastic force of the corresponding elastic members 13, so as to realize forced separation and reset between the first contact 110 and the second contact 120, avoid short circuit, and increase the safety performance of the contact switch 100 of the elevator door.

In an embodiment, the mounting seat 102 is formed with two limiting grooves 1020, two elastic members 13 are disposed in the limiting grooves 1020 in a one-to-one correspondence, and one end of the elastic member 13 away from the elastic section 111 abuts against the limiting grooves 1020. In this embodiment, the two elastic members 13 are respectively disposed in the two limiting grooves 1020, so that the elastic members 13 can be fixed, and the elastic members 13 in this embodiment may be springs, elastic rubber, or the like. In other embodiments, the mounting seat 102 may be further connected to a fixing rod through which the elastic member 13 passes, the fixing rod extends in a direction approaching to the elastic section 111, one end of the elastic member 13 is sleeved on the fixing rod, and the other end of the elastic member 13 abuts against the elastic section 111 to fix the elastic member 13.

In an embodiment, the connection between the two elastic segments 111 forms a connection corner 1200, a positioning block 103 is further disposed in the cavity, the positioning block 103 is formed with a positioning protrusion 1030, and the connection corner 1200 is formed with a positioning groove 1201 matching the positioning protrusion 1030. In this embodiment, the connection corner 1200 is formed at the connection position of the two elastic segments 111, so that the space occupation of the first elastic reed 11 in the cavity can be reduced, the installation space required by the first elastic reed 11 is reduced, the volume of the seat body 10 can be reduced, the positioning block 103 is arranged in the cavity, the positioning block 103 is formed with the positioning protrusion 1030 matched with the positioning groove 1201, and the installation position of the first elastic reed 11 can be determined. In this embodiment, the positioning block 103 is disposed near the edge of the cavity, and the first elastic reed 11 can be clamped between the positioning block 103 and the inner wall of the cavity.

Alternatively, the seat body 10 in the present embodiment is rectangular, the first elastic reed 11 is disposed at any corner of the cavity, and the two elastic segments 111 are disposed at two sides of the corner respectively. In other embodiments, the first spring leaf 11 may also be disposed along the edge of the cavity, as shown in fig. 6, with two spring segments 111 extending to two sides adjacent to the edge, respectively.

In an embodiment, two connection blocks 104 are further disposed in the cavity, the connection blocks 104 are mounted on the seat body 10, one ends of the two second elastic reeds 12 far away from the second contacts 120 are respectively connected with the two connection blocks 104, and the two wires 200 are respectively correspondingly connected with the two connection blocks 104. The terminal block 104 is arranged at one end, far away from the second contact 120, of the second elastic reed 12, and the terminal block 104 can also fix the wire 200, so that the wire 200 is connected with the second elastic reed 12, the wire 200 can be connected with an elevator door, and the second contact 120 is electrically connected with the elevator door.

In an embodiment, the notch of the slot 101 is gradually widened towards the direction deviating from the cavity, so that a guiding effect can be provided for the plug 20 in the process of inserting the plug 20 into the slot 101, the reinforcing wall 1010 is formed at the position of the seat body 10 at the two sides of the notch of the slot 101, the first contact 110 can be far away from the shell of the seat body 10, the structure is utilized, the fingers of a person can not contact the inside of the socket 1, the danger of electric shock of the fingers of the person is avoided, the protection level of the contact switch 100 of the elevator door of the embodiment is improved, the national safety requirement for the elevator door switch is met, and the protection level of the contact switch 100 of the elevator door in the embodiment is increased.

In an embodiment, the socket body 10 is provided with a via hole communicating with the cavity, and the socket 1 further includes a connection bolt 105, where the connection bolt 105 passes through the via hole and is used for being screwed with an external device. The connecting bolt 105 can fix the seat body 10 to an external device, thereby fixing the seat body 10.

In an embodiment, the plug 20 includes a plug body 201 and pins 202 connected to each other, and the plug body 201 is mounted on a driving device, and the driving device is used for driving the plug body 201 to move so as to drive the corresponding pins 202 to push the first contacts 110. By installing the plug body 201 in the driving device, the plug body 201 and the pins 202 can be driven to be inserted into the slots 101 or separated from the slots 101 by driving of the driving device, and the plug body 201 in the embodiment is formed with the connecting holes 2010, so that the plug body 201 can be installed in the driving device by penetrating the connecting holes 2010 through studs or bolts.

In addition, the utility model also provides an elevator door, which comprises the contact switch of the elevator door. The elevator door adopts all the technical schemes of all the embodiments, so that the elevator door has at least all the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated here.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather utilizing equivalent structural changes made in the present utility model description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims

1. A contact switch for an elevator door, comprising:

the socket comprises a socket body, a first elastic reed and two second elastic reeds, wherein the first elastic reed is arranged on the socket body, and two ends of the first elastic reed are respectively connected with a first contact; one end of each second elastic reed is arranged on the seat body and is connected with the elevator door through a wire, the other end of each second elastic reed is connected with a second contact, and the two first contacts and the two second contacts are respectively and correspondingly arranged;

the plug assembly comprises two plugs, wherein the two plugs are respectively used for pushing the two first contacts so as to enable the two first contacts to respectively move towards directions close to the two second contacts, and enable the two first contacts to respectively abut against and be conducted with the two second contacts.

2. The contact switch of an elevator door according to claim 1, wherein the seat body is formed with a cavity, the first elastic reed and the second elastic reed are both located in the cavity, and a slot which communicates with the cavity and is used for inserting the plug is provided at a position of the seat body corresponding to each of the first contacts.

3. The contact switch of an elevator door according to claim 2, wherein the first spring leaf comprises two spring segments connected to each other, two first contacts are respectively connected to ends of the two spring segments away from each other, a mounting seat is provided in the cavity, and the socket further comprises two spring members, and the two spring segments are respectively abutted to the mounting seat through the two spring members.

4. The contact switch of claim 3, wherein the mounting base is formed with two limiting grooves, two elastic members are disposed in the two limiting grooves in a one-to-one correspondence, and one end of the elastic member away from the corresponding elastic section abuts against the corresponding limiting groove.

5. A contact switch for an elevator door according to claim 3, wherein a connection corner is formed at the connection of the two elastic sections, a positioning block is further provided in the cavity, the positioning block is formed with a positioning protrusion, and a positioning groove is formed at the connection corner to be matched with the positioning protrusion.

6. The contact switch of an elevator door according to claim 2, wherein two connection blocks are further provided in the cavity, the connection blocks are mounted on the seat body, one ends of the two second elastic reeds, which are far away from the second contact, are respectively connected with the two connection blocks, and the two wires are respectively connected with the two connection blocks.

7. The contact switch of an elevator door according to claim 2, wherein the slot opening of the slot is formed in a diverging manner in a direction away from the cavity, and the seat body is formed with reinforcing walls at positions on both sides of the slot opening of the slot.

8. The contact switch of an elevator door of claim 2, wherein the seat body is provided with a via in communication with the cavity, the socket further comprising a connecting bolt passing through the via and for threaded connection with an external device.

9. The elevator door contact switch of claim 8, wherein the plug includes a plug body and a pin connected to each other, the plug body being mounted to a driving device for driving the plug body to move to drive the pin to push the corresponding first contact.

10. Elevator door, characterized in that it is provided with a contact switch of an elevator door according to any one of claims 1-9.