CN212136284U - Dustproof elevator emergency exit contact switch - Google Patents
Dustproof elevator emergency exit contact switch Download PDFInfo
- Publication number
- CN212136284U CN212136284U CN202020571644.7U CN202020571644U CN212136284U CN 212136284 U CN212136284 U CN 212136284U CN 202020571644 U CN202020571644 U CN 202020571644U CN 212136284 U CN212136284 U CN 212136284U
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- contact switch
- box body
- rubber
- groove
- safety door
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Abstract
The utility model relates to the field of machinary, concretely relates to contact switch. The utility model provides a dirt-proof elevator emergency exit contact switch, includes a contact switch, and contact switch includes a casing, and the casing includes a lid, box body down, goes up the lid setting in the top of box body down. The utility model provides a dustproof elevator safety door contact switch through the design, simple structure, convenient use, the user penetrates the wire from the second threading hole, after screwing up the binding screw and compressing the wire, the rubber plug is pressed into the jack on the upper box cover; this design is through the cooperation of last lid, lower box body and block rubber, and convenient when both having guaranteed the wiring has realized better dustproof effect again, has improved elevator emergency exit contact switch's result of use, is applicable to the elevator emergency exit contact switch in low-current electric return circuit.
Description
Technical Field
The utility model relates to the field of machinary, specifically, relate to contact switch.
Background
The elevator safety door contact switch is used for controlling the opening and closing of an elevator car door and an elevator landing door, and protecting the safety of elevator passengers and the normal operation of an elevator. The existing widely used elevator door contact switch is IP20 protection grade, because of the limitation of elevator door machine structure and installation space, the safety limit switch with higher protection grade can not be used for upgrading and replacing, the protection grade of IP20 grade makes the silver contact inside the contact switch completely exposed, the suspended dust in the elevator operation process or air can be attached on the silver contact, and the contact failure of the existing elevator door contact due to dust in the use process is easily caused along with the smaller and smaller rated voltage current of an electric control loop, so that the elevator emergency brake, the shutdown and other faults are caused. Therefore, with the requirements of upgrading and reliability of an elevator electrical control loop, the existing widely-used IP20 door contact switch cannot guarantee the long-term safe operation of the elevator; in addition, the elevator and the landing door of the high-rise building are usually installed after the building main body structure is completed, large dust and impurities are inevitably generated in the installation process of an elevator system and attached to the surface of a contact of an elevator safety door, so that faults in the operation and debugging process of the elevator are caused, and when a high-rise owner carries out unit room decoration, the elevator can cause faults and even safety accidents due to the low protection level of a safety contact switch in the process of transporting decoration garbage and the like.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dirt-proof elevator emergency exit contact switch to solve above-mentioned at least one technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a dustproof elevator safety door contact switch comprises a contact switch and is characterized in that the contact switch comprises a shell, the shell comprises an upper box cover and a lower box body, and the upper box cover is arranged above the lower box body;
the lower box body is internally provided with two parallel mounting grooves, a fixing block is arranged in each mounting groove, a bolt hole and a first threading hole are formed in each fixing block, each threading hole is communicated with the corresponding bolt hole, and a wiring screw is screwed at each bolt hole;
the box body is provided with a clamping groove, the lower box body is provided with a rubber block, and the rubber block is provided with a second threading hole matched with the first threading hole in position.
The utility model discloses a rubber block, including rubber block, upper cover, jack, wiring screw, rubber block, a rubber buffer is connected to the lateral part in rubber block, a rubber tape is ann on the rubber block, a lateral part in rubber tape is connected the rubber block, a rubber buffer is connected to another lateral part in rubber tape, it is used for filling in to go up to be equipped with one on the lid jack of rubber buffer, the jack sets up wiring screw.
A fixed groove is formed in the lower box body, and the two mounting grooves are respectively arranged on two sides in the fixed groove;
a reset spring and a conductive column are arranged in the fixed groove, the reset spring is sleeved on the conductive column, a through hole is formed in the side wall of the fixed groove, one side part of the conductive column extends out of the through hole, a plate-shaped body is arranged on one side part of the conductive column extending out of the through hole, and a push rod for pushing the plate-shaped body is arranged on one side of the shell;
the conductive column close to the mounting groove is provided with a conductive sheet, the side wall of the mounting groove is provided with a notch, the fixed block close to the notch is provided with a first bulge, and the conductive sheet is provided with a second bulge matched with the first bulge in position.
It is equipped with a solid fixed ring to lead upward the cover of electrical pillar, the conducting strip sets up gu fixed ring is last, reset spring's a lateral part supports the inner wall of fixed slot, reset spring's another lateral part with gu fixed ring links to each other.
The top of fixed slot is equipped with a rubber gasket, the middle part of rubber gasket be equipped with one with the shape assorted opening of fixed slot, the rubber gasket sets up go up the lid with between the box body down.
The lower box body is provided with at least two first mounting holes, and the upper box cover is provided with at least two second mounting holes matched with the first mounting holes in position.
The upper box cover is connected with the lower box body through a buckle.
The utility model provides a dustproof elevator safety door contact switch through the design, simple structure, convenient use, the user penetrates the wire from the second threading hole, after screwing up the binding screw and compressing the wire, the rubber plug is pressed into the jack on the upper box cover; this design is through the cooperation of last lid, lower box body and block rubber, and convenient when both having guaranteed the wiring has realized better dustproof effect again, has improved elevator emergency exit contact switch's result of use, is applicable to the elevator emergency exit contact switch in low-current electric return circuit.
Drawings
FIG. 1 is a schematic view of a part of the structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of the lower case of the present invention;
fig. 3 is a schematic view of a partial structure of the fixing groove of the present invention;
FIG. 4 is a schematic view of a part of the structure of the rubber block of the present invention;
fig. 5 is a schematic view of a partial structure of the fixing block of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 5, a dustproof elevator safety door contact switch comprises a contact switch, wherein the contact switch comprises a shell, the shell comprises an upper box cover 1 and a lower box body 3, and the upper box cover is arranged above the lower box body; two mounting grooves 18 which are arranged in parallel are formed in the lower box body, a fixing block 13 is arranged in each mounting groove, a bolt hole 21 and a first threading hole 20 are formed in each fixing block, each threading hole is communicated with each bolt hole, and a wiring screw 11 is screwed at each bolt hole; be equipped with a draw-in groove 9 on the lower box body that is close to mounting groove department, mounting groove intercommunication draw-in groove is equipped with a block rubber 4 in the draw-in groove, be equipped with on the block rubber one with the position assorted second through wires hole 6 in first through wires hole. The utility model provides a dustproof elevator safety door contact switch through the design, simple structure, convenient use, the user penetrates the wire from the second threading hole, after screwing up the binding screw and compressing the wire, the rubber plug is pressed into the jack on the upper box cover; this design is through the cooperation of last lid, lower box body, block rubber, and convenient when both having guaranteed the wiring has realized better dustproof effect again, has improved elevator emergency exit contact switch's result of use, is applicable to the elevator emergency exit contact switch in low-current electric return circuit.
The rubber block is provided with a rubber belt 5, one side part of the rubber belt is connected with the rubber block, the other side part of the rubber belt is connected with a rubber plug 7, the upper box cover is provided with a jack for being plugged into the rubber plug, and the jack is arranged above the wiring screw. When the rubber plug connector is used, wiring can be conducted after the upper box cover is opened, a wire can be directly penetrated from the second threading hole, and after the wiring screw is screwed down to compress the wire, the rubber plug is pressed into the jack on the upper box cover to complete wiring.
A fixed groove 19 is arranged in the lower box body, and the two mounting grooves are respectively arranged on two sides in the fixed groove; a reset spring and a conductive column 12 are arranged in the fixed groove, the reset spring is sleeved on the conductive column, a through hole is arranged on the side wall of the fixed groove, one side part of the conductive column extends out of the through hole, a plate-shaped body is arranged on one side part of the conductive column extending out of the through hole, and a push rod 2 for pushing the plate-shaped body is arranged on one side of the shell; a conducting strip 16 is arranged on the conducting column close to the mounting groove, a notch is formed in the side wall of the mounting groove, a first protrusion 14 is arranged on the fixing block close to the notch, and a second protrusion 17 matched with the first protrusion in position is arranged on the conducting strip. The plate-shaped body and the conductive column adopt an integrated structure. The cover is equipped with a solid fixed ring on leading electrical pillar, and the conducting strip setting is on solid fixed ring, and reset spring's a lateral part supports the inner wall of fixed slot, and reset spring's another lateral part links to each other with solid fixed ring. Furthermore, when the pushing rod pushes the conductive rod after pressing to the plate-shaped body, the conductive rod drives the conductive sheet to move forward, so that the second protrusions on the two side parts of the conductive sheet contact the first protrusions on the fixed block, and the conductive column can be pushed to reset through the reset spring.
In order to guarantee the using effect of the equipment, the fixing block, the conductive column, the fixing ring, the conductive sheet, the clamping hook, the push rod, the first protrusion and the second protrusion are made of conductive materials. For example, the fixing block, the conductive post, the fixing ring, the conductive piece, the hook, the pushing rod, the first protrusion and the second protrusion are all made of copper. The outer surfaces of the first bulge and the second bulge are provided with silver coatings.
The top of fixed slot is equipped with a rubber gasket 10, and the middle part of rubber gasket is equipped with one and the shape assorted opening of fixed slot, and the rubber gasket sets up at last lid and down between the box body. So as to improve the sealing effect between the upper box cover and the lower box body and further play a role in dust prevention.
In order to facilitate the installation of the contact switch, at least two first mounting holes 15 are formed in the lower box body, and at least two second mounting holes 8 matched with the first mounting holes in position are formed in the upper box cover. The contact switch can be fixed by passing a bolt through the first mounting hole and the second mounting hole.
In order to facilitate the user to open the upper box cover, the upper box cover is connected with the lower box body through a buckle.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A dustproof elevator safety door contact switch comprises a contact switch and is characterized in that the contact switch comprises a shell, the shell comprises an upper box cover and a lower box body, and the upper box cover is arranged above the lower box body;
the lower box body is internally provided with two parallel mounting grooves, a fixing block is arranged in each mounting groove, a bolt hole and a first threading hole are formed in each fixing block, each threading hole is communicated with the corresponding bolt hole, and a wiring screw is screwed at each bolt hole;
the box body is provided with a clamping groove, the lower box body is provided with a rubber block, and the rubber block is provided with a second threading hole matched with the first threading hole in position.
2. The dustproof elevator safety door contact switch according to claim 1, wherein a rubber belt is mounted on the rubber block, one side of the rubber belt is connected with the rubber block, the other side of the rubber belt is connected with a rubber plug, a jack for plugging the rubber plug is arranged on the upper box cover, and the jack is arranged above the wiring screw.
3. The dustproof elevator safety door contact switch according to claim 1, wherein a fixing groove is formed in the lower case, and the two mounting grooves are respectively formed on both sides in the fixing groove;
a reset spring and a conductive column are arranged in the fixed groove, the reset spring is sleeved on the conductive column, a through hole is formed in the side wall of the fixed groove, one side part of the conductive column extends out of the through hole, a plate-shaped body is arranged on one side part of the conductive column extending out of the through hole, and a push rod for pushing the plate-shaped body is arranged on one side of the shell;
the conductive column close to the mounting groove is provided with a conductive sheet, the side wall of the mounting groove is provided with a notch, the fixed block close to the notch is provided with a first bulge, and the conductive sheet is provided with a second bulge matched with the first bulge in position.
4. The dustproof elevator safety door contact switch according to claim 3, wherein a fixing ring is sleeved on the conductive post, the conductive post is arranged on the fixing ring, one side part of the return spring abuts against the inner wall of the fixing groove, and the other side part of the return spring is connected with the fixing ring.
5. The dustproof elevator safety door contact switch according to claim 3, wherein a rubber gasket is arranged above the fixing groove, an opening matched with the shape of the fixing groove is formed in the middle of the rubber gasket, and the rubber gasket is arranged between the upper box cover and the lower box body.
6. The dustproof elevator safety door contact switch according to claim 1, wherein the lower box body is provided with at least two first mounting holes, and the upper box cover is provided with at least two second mounting holes matched with the first mounting holes in position.
7. The dustproof elevator safety door contact switch of claim 1, wherein the upper box cover and the lower box body are connected through a buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571644.7U CN212136284U (en) | 2020-04-16 | 2020-04-16 | Dustproof elevator emergency exit contact switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571644.7U CN212136284U (en) | 2020-04-16 | 2020-04-16 | Dustproof elevator emergency exit contact switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212136284U true CN212136284U (en) | 2020-12-11 |
Family
ID=73690480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020571644.7U Active CN212136284U (en) | 2020-04-16 | 2020-04-16 | Dustproof elevator emergency exit contact switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212136284U (en) |
-
2020
- 2020-04-16 CN CN202020571644.7U patent/CN212136284U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220211 Address after: Room a-522, 188 Yesheng Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201306 Patentee after: Shanghai Tongguang Technology Co.,Ltd. Address before: Room 1160, building 1, No.4 Zhenxing street, Zhuqiao Town, Pudong New Area, Shanghai 200120 Patentee before: Shanghai Tegat Information Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |