CN212315233U - Novel elevator emergency exit contact switch - Google Patents
Novel elevator emergency exit contact switch Download PDFInfo
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- CN212315233U CN212315233U CN202021049617.XU CN202021049617U CN212315233U CN 212315233 U CN212315233 U CN 212315233U CN 202021049617 U CN202021049617 U CN 202021049617U CN 212315233 U CN212315233 U CN 212315233U
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Abstract
The utility model relates to the field of machinary, concretely relates to contact switch. The utility model provides a novel elevator emergency exit contact switch, includes a contact switch, and contact switch includes a casing, a push rod, and the push rod setting is in casing one side, and the casing includes a lid, box body once, goes up the lid setting in the top of box body down. The utility model discloses a this design provides a novel elevator emergency exit contact switch, and simple structure, use are convenient, and the mountable has reduced the bad hidden danger of switch-on in current narrow and small elevator door machine installation space, guarantees that the safe electrical component of elevator door system does not receive the influence of environment and load to guarantee the long-term safe operation of elevator.
Description
Technical Field
The utility model relates to the field of machinary, specifically, relate to contact switch.
Background
The elevator safety door contact switch controls the closing and opening of the elevator car door and the elevator landing door, and protects the safety of elevator passengers and the normal operation of the 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 conducts 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, and the reset effect of the existing safety contact switch is poor.
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 novel 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 novel elevator safety door contact switch comprises a contact switch, wherein the contact switch comprises a shell and a push rod, and the push rod is arranged on one side of the shell;
a first mounting groove is formed in the lower box body close to the push rod, a second mounting groove is formed in one side of the first mounting groove, a partition plate is arranged between the first mounting groove and the second mounting groove, and a first through hole for communicating the first mounting groove with the second mounting groove is formed in the partition plate;
a pushing plate matched with the push rod is arranged in the first mounting groove, two sides of the pushing plate are respectively provided with a fixed column, a first spring is sleeved on the fixed column, one end of the first spring abuts against the pushing plate, and the other end of the first spring abuts against the partition plate;
a connecting column is arranged in the middle of the pushing plate, one side of the connecting column penetrates into the second mounting groove from the first through hole, a connecting block is fixed on the connecting column and arranged in the second mounting groove, a mounting hole is formed in the connecting block, a second spring is arranged at the mounting hole, one end of the second spring abuts against the inner wall of the mounting hole, the other end of the second spring abuts against the inner wall of the second mounting groove, strip-shaped connecting pieces are arranged on two side parts of the connecting block, and first protrusions are arranged on the connecting pieces;
the lower box body is provided with two fixing grooves which are respectively arranged at two sides in the second mounting groove, a fixing block is arranged in each fixing groove, a first notch is formed in the side wall of each fixing groove, and a second bulge matched with the first bulge is arranged on the fixing block close to the first notch;
a first bolt hole is formed in the upper portion of the fixing block, a first threading hole is formed in the middle of the fixing block and communicated with the first bolt hole, and a wiring screw is screwed at the first bolt hole;
the lower box body is provided with a first clamping groove, the fixing groove is communicated with the first clamping groove, the first clamping groove 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 cross section of the first clamping groove is semicircular, the cross section of the rubber block is circular, the lower portion of the rubber block is clamped into the first clamping groove, the rubber block is arranged at the joint of the upper box cover and the lower box body, a second clamping groove with the semicircular cross section is formed in the upper box cover, and the upper portion of the rubber block is clamped into the second clamping groove.
An embedded groove is formed in one side face, close to the first mounting groove, of the partition board, a rubber ring is arranged in the embedded groove, a second through hole is formed in the rubber ring, the front side portion of the connecting column penetrates through the second through hole, the diameter of the front side portion of the connecting column is smaller than that of the rear side portion of the connecting column, and the diameter of the rear side portion of the connecting column is larger than that of the second through hole;
the upper portion of baffle is equipped with a slot, the slot intercommunication the embedded groove, it is used for fixing to insert one in the slot the stationary blade of rubber ring, the lower part of stationary blade is equipped with the second breach, the width of second breach department is greater than the diameter of the rear portion of spliced pole. An annular bulge is arranged on the rubber ring close to the first mounting groove, and the cross section of the annular bulge is semicircular.
A third mounting groove is formed in the joint of the pushing plate and the connecting column, and a first fixing shaft is arranged in the third mounting groove;
a turnover fastener is arranged at the third mounting groove and comprises a sheet-shaped body, and a first rotating groove matched with the first fixing shaft is arranged at the lower part of the sheet-shaped body;
a second rotating groove is formed in the rear part of the sheet-shaped body, a second fixing shaft penetrates through the second rotating groove, and two end parts of the second fixing shaft are fixed to the upper box cover;
the front part of the sheet body is provided with a clamping hook for clamping the push rod.
The top of second mounting groove is equipped with a rubber gasket, the middle part of rubber gasket be equipped with one with the shape assorted opening of second mounting groove, the rubber gasket sets up go up the lid with down between the box body.
The lower box body is provided with two second bolt holes, the two second bolt holes are respectively formed in two sides of the second mounting groove, and the upper box cover is provided with two third bolt holes matched with the second bolt holes in position.
The upper box cover is connected with the lower box body through a buckle.
The utility model discloses a this design provides a novel elevator emergency exit contact switch, and simple structure, use are convenient, and the mountable has reduced the bad hidden danger of switch-on in current narrow and small elevator door machine installation space, guarantees that the safe electrical component of elevator door system does not receive the influence of environment and load to guarantee the long-term safe operation of elevator.
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 part of the structure of the rubber block of the present invention;
fig. 4 is a schematic view of a part of the structure of the second mounting groove of the present invention;
FIG. 5 is a schematic view of a part of the structure of the partition board of the present invention;
FIG. 6 is a schematic view of a part of the structure of the rubber ring of the present invention;
fig. 7 is a schematic view of a partial structure of the fixing block of the present invention;
fig. 8 is a schematic view of a part of the structure of the flip fastener 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 8, a novel elevator safety door contact switch comprises a contact switch, wherein the contact switch comprises a shell and a push rod 3, the push rod is arranged on one side of the shell, the shell comprises an upper box cover 1 and a lower box body 2, and the upper box cover is arranged above the lower box body; a first mounting groove 12 is formed in the lower box body close to the push rod, a second mounting groove 11 is formed in one side of the first mounting groove, a partition plate 7 is arranged between the first mounting groove and the second mounting groove, and a first through hole for communicating the first mounting groove with the second mounting groove is formed in the partition plate; a pushing plate 4 matched with the push rod is arranged in the first mounting groove, two sides of the pushing plate are respectively provided with a fixed column 23, a first spring 22 is sleeved on the fixed column, one end of the first spring abuts against the pushing plate, and the other end of the first spring abuts against the partition plate; a connecting column 6 is arranged in the middle of the pushing plate, one side of the connecting column penetrates into the second mounting groove from the first through hole, a connecting block 10 is fixed on the connecting column and is arranged in the second mounting groove, a mounting hole 15 is formed in the connecting block, a second spring 18 is arranged at the mounting hole, one end of the second spring props against the inner wall of the mounting hole, the other end of the second spring props against the inner wall of the second mounting groove, two strip-shaped connecting pieces 19 are arranged on two side parts of the connecting block, and a first bulge 20 is arranged on each connecting piece; the lower box body is provided with two fixing grooves 13 which are respectively arranged at two sides in the second mounting groove, a fixing block 24 is arranged in each fixing groove, the side wall of each fixing groove is provided with a first notch, and the fixing block close to the first notch is provided with a second bulge 25 matched with the first bulge; the upper part of the fixed block is provided with a first bolt hole 29, the middle part of the fixed block is provided with a first threading hole 28, the first threading hole is communicated with the first bolt hole, and the first bolt hole is screwed with a wiring screw 14; be equipped with first draw-in groove on the lower box body near fixed slot department, the fixed slot communicates first draw-in groove, and first draw-in groove department is equipped with a block rubber 16, is equipped with on the block rubber one with the second through wires hole 17 of first through wires hole position assorted. The utility model discloses a this design provides a novel elevator emergency exit contact switch, and simple structure, use are convenient, and the mountable has reduced the bad hidden danger of switch-on in current narrow and small elevator door machine installation space, guarantees that the safe electrical component of elevator door system does not receive the influence of environment and load to guarantee the long-term safe operation of elevator.
The design ensures convenience in wiring, realizes a better dustproof effect, can reach the protection grade of IP54 or IP65 level, improves the using effect of the elevator safety door contact switch, and is suitable for the elevator safety door contact switch of a low-current electrical loop. When wiring, a user needs to open the upper box cover, penetrate the wire from the second threading hole, tighten the wiring screw to compress the wire and fix the upper box cover to finish wiring.
When the device is used, the push rod pushes and pushes the push plate, the push plate drives the connecting column to move, the connecting column drives the connecting block to move, the connecting sheet is further close to the fixed block gradually, and the first bulge on the connecting sheet is in contact with the second bulge on the fixed block; at this moment, the first springs located on the two sides of the pushing plate and the second springs on the connecting blocks are both in a compression state, when the push rod retreats, the first springs and the second springs can provide a good reset effect, and therefore the service life of the elevator safety door contact switch is prolonged.
The cross section of the first clamping groove is semicircular, the cross section of the rubber block is circular, the lower portion of the rubber block is clamped into the first clamping groove, the rubber block is arranged at the joint of the upper box cover and the lower box body, a second clamping groove with the semicircular cross section is formed in the upper box cover, and the upper portion of the rubber block is clamped into the second clamping groove. So as to clamp the rubber block through the upper box cover and the lower box body.
An embedded groove is formed in one side face of the partition plate close to the first mounting groove, a rubber ring 27 is arranged in the embedded groove, a second through hole is formed in the rubber ring, the front side portion of the connecting column penetrates through the second through hole, the diameter of the front side portion of the connecting column is smaller than that of the rear side portion of the connecting column, and the diameter of the rear side portion of the connecting column is larger than that of the second through hole; the upper portion of baffle is equipped with a slot, and slot intercommunication embedded groove inserts a stationary blade 21 that is used for fixed rubber ring in the slot, and the lower part of stationary blade is equipped with the second breach, and the width of second breach department is greater than the diameter of the rear portion of spliced pole. An annular bulge 26 is arranged on the rubber ring close to the first mounting groove, and the cross section of the annular bulge is semicircular. When the push rod pushes the push plate, the push plate drives the connecting column to move, after the connecting column moves for a certain distance, the rear side part of the connecting column is blocked by the rubber ring, the rubber ring has the effects of limiting the moving distance of the connecting column and buffering, and the service life of the equipment is prolonged.
In order to ensure the using effect of the equipment, the push rod, the push plate, the connecting column, the connecting block, the connecting sheet, the first bulge, the second bulge and the fixing block are all made of conductive materials. For example, the push rod, the push plate, the connecting column, the connecting block, the connecting sheet, the first protrusion, the second protrusion and the fixing block are all made of copper. The outer surfaces of the first bulge and the second bulge are provided with silver coatings.
A third mounting groove 34 is formed at the joint of the pushing plate and the connecting column, and a first fixed shaft 33 is arranged in the third mounting groove; a turnover fastener 30 is arranged at the third mounting groove, the turnover fastener comprises a sheet-shaped body, and a first rotating groove matched with the first fixed shaft is arranged at the lower part of the sheet-shaped body; a second rotating groove 31 is arranged at the rear part of the sheet-shaped body, a second fixing shaft 32 passes through the second rotating groove, and two end parts of the second fixing shaft are fixed on the upper box cover; the front part of the sheet body is provided with a clamping hook for clamping the push rod. The overturning fastener ensures the absolute disconnection of the contact, when the push rod is pushed into the shell, the push plate and the connecting column move towards the inner side of the shell, the lower part of the overturning fastener moves towards the inner side of the shell along with the first fixed shaft, and the rear part of the overturning fastener is limited by the second fixed shaft, so that the overturning fastener overturns towards the front side around the second fixed shaft, and the clamping hook at the front part of the overturning fastener clamps the push rod; when the push rod breaks away from, the push rod drives the upset fastener and overturns once more, and the lower part of upset fastener drives first fixed axle and removes for the catch plate moves to the casing outside with the spliced pole, and then makes first arch and the protruding contactless of second no longer, has forced the contact of breaking contact, in order to reach the function of the absolute disconnection of safe contact.
The top of second mounting groove is equipped with a rubber gasket 9, and the middle part of rubber gasket is equipped with one and the shape assorted opening of second mounting groove, 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, the lower box body is provided with two second bolt holes 8 which are respectively arranged at two sides of the second mounting groove, and the upper box cover is provided with two third bolt holes 5 matched with the second bolt holes in position. The contact switch can be fixed by a bolt passing through the second bolt hole and the third bolt 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 (8)
1. A novel elevator safety door contact switch comprises a contact switch, wherein the contact switch comprises a shell and a push rod, and the push rod is arranged on one side of the shell;
a first mounting groove is formed in the lower box body close to the push rod, a second mounting groove is formed in one side of the first mounting groove, a partition plate is arranged between the first mounting groove and the second mounting groove, and a first through hole for communicating the first mounting groove with the second mounting groove is formed in the partition plate;
a pushing plate matched with the push rod is arranged in the first mounting groove, two sides of the pushing plate are respectively provided with a fixed column, a first spring is sleeved on the fixed column, one end of the first spring abuts against the pushing plate, and the other end of the first spring abuts against the partition plate;
a connecting column is arranged in the middle of the pushing plate, one side of the connecting column penetrates into the second mounting groove from the first through hole, a connecting block is fixed on the connecting column and arranged in the second mounting groove, a mounting hole is formed in the connecting block, a second spring is arranged at the mounting hole, one end of the second spring abuts against the inner wall of the mounting hole, the other end of the second spring abuts against the inner wall of the second mounting groove, strip-shaped connecting pieces are arranged on two side parts of the connecting block, and first protrusions are arranged on the connecting pieces;
the lower box body is provided with two fixing grooves which are respectively arranged at two sides in the second mounting groove, a fixing block is arranged in each fixing groove, a first notch is formed in the side wall of each fixing groove, and a second bulge matched with the first bulge is arranged on the fixing block close to the first notch;
a first bolt hole is formed in the upper portion of the fixing block, a first threading hole is formed in the middle of the fixing block and communicated with the first bolt hole, and a wiring screw is screwed at the first bolt hole;
the lower box body is provided with a first clamping groove, the fixing groove is communicated with the first clamping groove, the first clamping groove 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 novel elevator safety door contact switch according to claim 1, wherein the cross section of the first clamping groove is semicircular, the cross section of the rubber block is circular, the lower portion of the rubber block is clamped into the first clamping groove, the rubber block is arranged at the joint of the upper box cover and the lower box body, the upper box cover is provided with a second clamping groove, the cross section of the second clamping groove is semicircular, and the upper portion of the rubber block is clamped into the second clamping groove.
3. The novel elevator safety door contact switch according to claim 1, wherein an embedded groove is formed in one side surface of the partition plate near the first mounting groove, a rubber ring is arranged in the embedded groove, a second through hole is formed in the rubber ring, the front side part of the connecting column penetrates through the second through hole, the diameter of the front side part of the connecting column is smaller than that of the rear side part of the connecting column, and the diameter of the rear side part of the connecting column is larger than that of the second through hole;
the upper portion of baffle is equipped with a slot, the slot intercommunication the embedded groove, it is used for fixing to insert one in the slot the stationary blade of rubber ring, the lower part of stationary blade is equipped with the second breach, the width of second breach department is greater than the diameter of the rear portion of spliced pole.
4. The novel elevator safety door contact switch according to claim 3, wherein an annular protrusion is provided on the rubber ring near the first mounting groove, and the cross section of the annular protrusion is semicircular.
5. The novel elevator safety door contact switch as claimed in claim 1, wherein a third mounting groove is formed at the joint of the pushing plate and the connecting column, and a first fixed shaft is arranged in the third mounting groove;
a turnover fastener is arranged at the third mounting groove and comprises a sheet-shaped body, and a first rotating groove matched with the first fixing shaft is arranged at the lower part of the sheet-shaped body;
a second rotating groove is formed in the rear part of the sheet-shaped body, a second fixing shaft penetrates through the second rotating groove, and two end parts of the second fixing shaft are fixed to the upper box cover;
the front part of the sheet body is provided with a clamping hook for clamping the push rod.
6. The novel elevator safety door contact switch according to claim 1, wherein a rubber gasket is arranged above the second mounting groove, an opening matched with the shape of the second mounting 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.
7. The novel elevator safety door contact switch according to claim 1, wherein two second bolt holes are formed in the lower box body, the two second bolt holes are respectively formed in two sides of the second mounting groove, and two third bolt holes matched with the second bolt holes are formed in the upper box cover.
8. The novel elevator safety door contact switch as claimed in claim 1, wherein the upper box cover is connected with the lower box body through a buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021049617.XU CN212315233U (en) | 2020-06-09 | 2020-06-09 | Novel elevator emergency exit contact switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021049617.XU CN212315233U (en) | 2020-06-09 | 2020-06-09 | Novel elevator emergency exit contact switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212315233U true CN212315233U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021049617.XU Active CN212315233U (en) | 2020-06-09 | 2020-06-09 | Novel elevator emergency exit contact switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212315233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021249167A1 (en) * | 2020-06-09 | 2021-12-16 | 上海泰盖特信息科技有限公司 | Contact switch for elevator safety door |
-
2020
- 2020-06-09 CN CN202021049617.XU patent/CN212315233U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021249167A1 (en) * | 2020-06-09 | 2021-12-16 | 上海泰盖特信息科技有限公司 | Contact switch for elevator safety door |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220208 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. |