CN215069704U - Canned type limit switch - Google Patents
Canned type limit switch Download PDFInfo
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- CN215069704U CN215069704U CN202121202436.0U CN202121202436U CN215069704U CN 215069704 U CN215069704 U CN 215069704U CN 202121202436 U CN202121202436 U CN 202121202436U CN 215069704 U CN215069704 U CN 215069704U
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- transmission
- limit switch
- outer shell
- sealing strip
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Abstract
The utility model provides a sealed limit switch, which comprises an outer shell provided with a limit switch electronic component, a cover plate, an inner shell sleeved on the limit switch electronic component and a transmission shell provided with a transmission mechanism, wherein the transmission shell is provided with a driving rod connected with the transmission mechanism; the inner shell is hermetically connected with the inner part of the outer shell through an inner shell sealing strip, the cover plate is hermetically connected with the outer shell through an outer shell sealing strip, and the transmission shell is hermetically connected with one side of the outer shell through a transmission shell sealing strip; one side of the outer shell and one side of the inner shell are respectively provided with a mutually corresponding wire inlet thread through hole and a wire inlet hole which are used for connecting an electrified circuit, and a wire inlet thread piece is arranged in the wire inlet thread through hole of the outer shell; the other sides of the outer shell and the inner shell are respectively provided with corresponding transmission shaft holes, and the transmission shaft holes lead into the transmission shell. The utility model discloses all set up the sealing washer on the mounting end face of shell, inner shell and transmission shell to can promote the leakproofness well, make its waterproof performance obtain promoting at to a great extent.
Description
Technical Field
The utility model relates to a limit switch makes technical field, especially relates to a canned type limit switch.
Background
Limit switches, also known as travel switches, can be mounted on relatively stationary or moving objects, in particular electrical switches that define the limit of movement of mechanical equipment. The limit switch has a limit protection function and is widely applied to a plurality of fields. The limit switch mainly comprises an electric control element and a protective shell, and particularly comprises a switch body comprising an electric control element assembly, wherein the switch body is arranged in a closed shell formed by connecting an upper shell and a lower shell into a whole through a fastener. However, the existing limit switch shell still has poor sealing and waterproof performance.
Disclosure of Invention
In view of the above shortcomings of the prior art, an object of the present invention is to provide a sealed limit switch for solving the problem of poor sealing and waterproof performance in the prior art.
In order to solve the technical problem, the utility model discloses a realize according to following mode: a sealed limit switch comprises an outer shell provided with a limit switch electronic component, a cover plate, an inner shell sleeved on the limit switch electronic component and a transmission shell provided with a transmission mechanism, wherein the transmission shell is provided with a driving rod connected with the transmission mechanism; the inner shell is in sealing connection with the inside of the outer shell through an inner shell sealing strip, the cover plate is in sealing connection with the outer shell through an outer shell sealing strip, and the transmission shell is in sealing connection with one side of the outer shell through a transmission shell sealing strip; one side of the outer shell and one side of the inner shell are respectively provided with a mutually corresponding wire inlet thread through hole and a wire inlet hole which are used for connecting an electrified circuit, and a wire inlet thread piece is arranged in the wire inlet thread through hole of the outer shell; and the other sides of the outer shell and the inner shell are respectively provided with corresponding transmission shaft holes, and the transmission shaft holes lead to the inside of the transmission shell.
Furthermore, the mounting end faces in the inner shell and the outer shell are respectively provided with a plurality of corresponding inner shell sealing grooves, and the inner shell sealing strips are arranged in the inner shell sealing grooves.
Further, the inner shell sealing strip is O type sealing strip, the quantity of inner shell seal groove is 2.
Furthermore, a plurality of corresponding shell sealing grooves are respectively formed in the mounting end faces of the cover plate and the shell, and the shell sealing strips are arranged in the shell sealing grooves.
Further, the shell sealing strip is O type sealing strip, the quantity of shell seal groove is 2.
Furthermore, the installation terminal surface of transmission shell and shell one side is equipped with a plurality of corresponding transmission shell seal grooves respectively, the transmission shell sealing strip is arranged in the transmission shell seal groove.
Further, the transmission shell sealing strip is an O-shaped sealing strip.
Furthermore, the mounting end surfaces in the inner shell and the outer shell are respectively provided with corresponding inner shell connecting holes, the mounting end surfaces of the cover plate and the outer shell are respectively provided with corresponding outer shell connecting holes, and the mounting end surfaces on one sides of the transmission shell and the outer shell are respectively provided with corresponding transmission shell connecting holes.
Furthermore, the bottom in the shell is connected with a connecting block for mounting electronic components.
Furthermore, a plurality of O-shaped rings are installed in the incoming thread threaded part.
As described above, the utility model discloses a canned type limit switch through ingenious design, has all set up the sealing washer on the mounting end face of shell, inner shell and driving case to can promote the leakproofness well, make its waterproof performance obtain promoting at to a great extent.
Drawings
Fig. 1 is a schematic structural view of a sealed limit switch according to an embodiment of the present invention;
fig. 2 is an exploded view of a sealed limit switch according to an embodiment of the present invention;
fig. 3 is a front view of a sealed limit switch according to an embodiment of the present invention;
fig. 4 is a rear view of a sealed limit switch according to an embodiment of the present invention;
fig. 5 is a side view of a sealed limit switch according to an embodiment of the present invention;
fig. 6 is a top view of a sealed limit switch according to an embodiment of the present invention.
Reference is made to the following in corresponding reference numbers in the drawings of the specification:
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 6. It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope of the present invention without affecting the functions and the achievable purposes of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 to 6, the utility model provides a canned type limit switch, establish inner shell 3 and the drive housing 4 of installing drive mechanism on limit switch electronic components including shell 1, apron 2, the cover that installs limit switch electronic components, be equipped with the actuating lever 42 of being connected with drive mechanism on the drive housing 4. Inner shell 3 realizes through inner shell sealing strip 31 with outer shell 1 internal seal connection, apron 2 realizes through outer shell sealing strip 11 with outer shell 1 sealing connection, transmission shell 4 realizes through transmission shell sealing strip 41 with one side sealing connection of outer shell 1.
The mounting end surfaces in the inner shell 3 and the outer shell 1 are respectively provided with corresponding inner shell connecting holes 13 for mounting and connecting the inner shell 3 and the outer shell 1. The mounting end surfaces of the cover plate 2 and the shell 1 are respectively provided with corresponding shell connecting holes 14 for mounting and connecting the cover plate 2 and the shell 1. The mounting end surfaces of the transmission shell 4 and one side of the outer shell 1 are respectively provided with a corresponding transmission shell connecting hole 15 for mounting and connecting the transmission shell 4 and the outer shell 1. A connecting block 16 for mounting electronic components is connected to the bottom inside the housing 1.
The installation terminal surface in inner shell 3 and the shell 1 is equipped with 2 corresponding inner shell seal grooves 7 respectively, and inner shell sealing strip 31 is arranged in inner shell seal groove 7, and inner shell sealing strip 31 is O type sealing strip.
The mounting end faces of the cover plate 2 and the shell 1 are respectively provided with 2 corresponding shell sealing grooves 8, a shell sealing strip 11 is arranged in each shell sealing groove 8, and each shell sealing strip 11 is an O-shaped sealing strip.
The installation terminal surface of transmission shell 4 and shell 1 one side is equipped with 1 corresponding transmission shell seal groove 9 respectively, and transmission shell sealing strip 41 is arranged in transmission shell seal groove 9, and transmission shell sealing strip 41 is O type sealing strip.
One side of shell 1 and inner shell 3 is equipped with the inlet wire screw through-hole 12 and the inlet wire hole that is used for circular telegram circuit connection that corresponds each other respectively, is equipped with inlet wire screw 5 in the inlet wire screw through-hole 12 of shell 1, installs a plurality of O type circle 51 in the inlet wire screw 5 to can go out to implement sealedly to the electric wire. The other sides of the outer shell 1 and the inner shell 3 are respectively provided with corresponding transmission shaft holes 6, and the transmission shaft holes 6 lead into the transmission shell 4.
To sum up, the utility model discloses a canned type limit switch through ingenious design, has all set up the sealing washer on the mounting end face of shell, inner shell and driving case to can promote the leakproofness well, make its waterproof performance obtain promoting at to a great extent. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a canned type limit switch which characterized in that: the electronic component limiting switch comprises an outer shell (1) provided with a limiting switch electronic component, a cover plate (2), an inner shell (3) sleeved on the limiting switch electronic component and a transmission shell (4) provided with a transmission mechanism, wherein a driving rod (42) connected with the transmission mechanism is arranged on the transmission shell; the inner shell (3) is in sealing connection with the inside of the outer shell (1) through an inner shell sealing strip (31), the cover plate (2) is in sealing connection with the outer shell (1) through an outer shell sealing strip (11), and the transmission shell (4) is in sealing connection with one side of the outer shell (1) through a transmission shell sealing strip (41); one side of the outer shell (1) and one side of the inner shell (3) are respectively provided with a wire inlet thread through hole (12) and a wire inlet hole which are mutually corresponding and used for connecting an electrified circuit, and a wire inlet thread piece (5) is arranged in the wire inlet thread through hole (12) of the outer shell (1); the other sides of the outer shell (1) and the inner shell (3) are respectively provided with corresponding transmission shaft holes (6), and the transmission shaft holes (6) are communicated into the transmission shell (4).
2. The sealed limit switch of claim 1, wherein: the mounting end face in inner shell (3) and the shell (1) is equipped with a plurality of corresponding inner shell seal grooves (7) respectively, inner shell sealing strip (31) are arranged in inner shell seal groove (7).
3. The sealed limit switch according to claim 2, wherein: the inner shell sealing strips (31) are O-shaped sealing strips, and the number of the inner shell sealing grooves (7) is 2.
4. The sealed limit switch of claim 1, wherein: the mounting end face of apron (2) and shell (1) is equipped with a plurality of corresponding shell seal grooves (8) respectively, shell sealing strip (11) are arranged in shell seal groove (8).
5. The sealed limit switch according to claim 4, wherein: the casing sealing strip (11) are O type sealing strips, the quantity of casing seal groove (8) is 2.
6. The sealed limit switch of claim 1, wherein: the installation terminal surface of transmission shell (4) and shell (1) one side is equipped with a plurality of corresponding transmission shell seal grooves (9) respectively, transmission shell sealing strip (41) are arranged in transmission shell seal groove (9).
7. The sealed limit switch according to claim 6, wherein: the transmission shell sealing strip (41) is an O-shaped sealing strip.
8. The sealed limit switch of claim 1, wherein: the mounting end surfaces in the inner shell (3) and the outer shell (1) are respectively provided with corresponding inner shell connecting holes (13), the mounting end surfaces of the cover plate (2) and the outer shell (1) are respectively provided with corresponding outer shell connecting holes (14), and the mounting end surfaces on one sides of the transmission shell (4) and the outer shell (1) are respectively provided with corresponding transmission shell connecting holes (15).
9. The sealed limit switch of claim 1, wherein: the bottom in the shell (1) is connected with a connecting block (16) for mounting electronic components.
10. The sealed limit switch of claim 1, wherein: a plurality of O-shaped rings (51) are installed in the incoming line threaded piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202436.0U CN215069704U (en) | 2021-05-28 | 2021-05-28 | Canned type limit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121202436.0U CN215069704U (en) | 2021-05-28 | 2021-05-28 | Canned type limit switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215069704U true CN215069704U (en) | 2021-12-07 |
Family
ID=79209095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121202436.0U Active CN215069704U (en) | 2021-05-28 | 2021-05-28 | Canned type limit switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215069704U (en) |
-
2021
- 2021-05-28 CN CN202121202436.0U patent/CN215069704U/en active Active
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