CN220526766U - Limit switch with protector - Google Patents
Limit switch with protector Download PDFInfo
- Publication number
- CN220526766U CN220526766U CN202321922300.6U CN202321922300U CN220526766U CN 220526766 U CN220526766 U CN 220526766U CN 202321922300 U CN202321922300 U CN 202321922300U CN 220526766 U CN220526766 U CN 220526766U
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- China
- Prior art keywords
- contact
- frame
- spring
- slide rod
- connecting plate
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- 230000001012 protector Effects 0.000 title claims description 5
- 230000001681 protective effect Effects 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Fuses (AREA)
Abstract
The utility model belongs to the technical field of limit switches, and particularly relates to a limit switch with a protective device, which comprises a middle-end mounting frame and two sealing end covers, wherein the two sealing end covers are respectively and fixedly mounted on the front end surface and the rear end surface of the middle-end mounting frame, the limit switch also comprises a stroke triggering component and a wiring component, the stroke triggering component is connected with the middle-end mounting frame, the wiring component is connected with the stroke triggering component, the wiring component is provided with a plurality of wiring components, and the stroke control rod is externally connected to trigger the stroke control rod, so that the stroke control rod drives a connecting slide bar and a middle-end sliding frame to move downwards along the middle-end mounting frame at the same time, the two wiring components which are initially positioned in an upper side conduction loop are separated from a contact slide bar I and a contact slide bar III, the two wiring components of a lower side conduction loop are contacted with a contact slide bar II and a contact slide bar IV, a loop is formed, and switching of an electrifying state is realized.
Description
Technical Field
The utility model belongs to the technical field of limit switches, and particularly relates to a limit switch with a protection device.
Background
Limit switch with protector belongs to limit switch technical field a commonly used equipment, but general limit switch can't prevent the overload of instantaneous current.
Disclosure of Invention
The utility model aims to provide a limit switch with a protective device, which solves the technical problem that overload of instantaneous current cannot be prevented.
In order to achieve the above purpose, the specific technical scheme of the limit switch with the protection device is as follows:
the utility model provides a limit switch with protector, includes middle-end installation frame and end cover, end cover sets up two, two end cover fixed mounting respectively at the front and back both ends face of middle-end installation frame, still includes stroke trigger assembly and wiring subassembly, stroke trigger assembly is connected with middle-end installation frame, and wiring subassembly is connected with stroke trigger assembly to wiring subassembly is provided with a plurality of.
Further, the stroke trigger assembly comprises a stroke control rod, a connecting slide rod, a middle-end sliding frame, a connecting plate I, a fuse tensioning frame, a connecting plate II, a spring limiting sleeve II, a contact sliding rod I, a contact sliding rod push spring I, a contact sliding rod II, a contact sliding rod push spring II, a contact sliding rod III, a contact sliding rod push spring III, a contact sliding rod IV, an inner push spring IV and an inner opening, wherein the stroke control rod is fixedly arranged at one end of the connecting slide rod, the other end of the connecting slide rod is fixedly provided with the middle-end sliding frame, the connecting plate I is fixedly arranged on the middle-end sliding frame, the contact sliding rod I is slidably arranged on the middle-end sliding frame, the contact sliding rod I is arranged between the contact sliding rod I and the connecting plate I, the contact sliding rod II is provided with the contact sliding rod push spring II, the connecting plate II is fixedly arranged on the middle-end sliding frame, the contact sliding frame is arranged on the middle-end sliding frame, the contact sliding rod IV is arranged between the contact sliding frame IV and the connecting plate II, the inner end is fixedly connected with the inner end of the fuse tensioning frame, the fuse tensioning frame is arranged between the inner end and the connecting plate I, and the fuse tensioning frame is fixedly connected with the inner end opening, and the fuse tensioning frame is arranged in the connecting plate.
Further, the middle end installation frame is provided with an opening I, an opening II, an opening III and an opening IV, the inner end of the middle end installation frame is provided with four wiring components, the four wiring components are close to the opening I, the opening II, the opening III and the opening IV respectively, the contact slide bar I and the contact slide bar III can be simultaneously conducted with two wiring components arranged at the upper part of the inner end of the middle end installation frame to form a loop, and the contact slide bar II and the contact slide bar IV can be simultaneously conducted with two wiring components arranged at the lower part of the inner end of the middle end installation frame to form a loop.
Further, a first spring limit sleeve is arranged in the middle-end installation frame, a second spring limit sleeve is arranged on the middle-end sliding frame, one end of the jacking spring is installed on the first spring limit sleeve, and the other end of the jacking spring is installed on the second spring limit sleeve.
Further, the wiring assembly comprises a contact frame, a pressing plate and locking screws, wherein the contact frame is fixedly arranged on the middle-end installation frame, the pressing plate is slidably arranged on the contact frame, the locking screws are rotationally connected with the pressing plate, and the locking screws are in threaded connection with the contact frame.
The utility model has the advantages that:
1. the stroke control rod drives the connecting slide rod and the middle-end sliding frame to move downwards along the middle-end installation frame at the same time through externally connecting the trigger stroke control rod, so that two wiring components initially positioned in the upper side conduction loop are separated from the first contact slide rod and the third contact slide rod, and the two wiring components of the lower side conduction loop are contacted with the second contact slide rod and the fourth contact slide rod to form a loop, and switching of an electrified state is realized;
2. because the fuse is arranged between the first connecting plate and the second connecting plate, the circuit is prevented from being damaged due to overlarge instantaneous current, and the on-off protection is realized through the fuse;
3. the connecting wire is placed between the contact frame and the pressing plate, and the locking of the connecting wire is achieved by screwing the locking screw.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the whole structure of the present utility model;
FIG. 3 is a schematic diagram showing a section line position I of FIG. 1;
FIG. 4 is a cross-sectional view taken along section A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along section D-D of FIG. 3;
FIG. 6 is a schematic diagram of a section line position II of FIG. 1;
FIG. 7 is a cross-sectional view taken along section B-B of FIG. 6;
FIG. 8 is a partial view A of FIG. 7;
the figure indicates:
the middle end is provided with a frame 1; sealing the end cap 2; a stroke control lever 3; the connecting slide bar 4; a middle end carriage 5; a first connecting plate 6; a fuse 7; a fuse tension frame 8; a second connecting plate 9; jacking up the spring 10; a first spring limit sleeve 11; a second spring limit sleeve 12; a wiring assembly 13; opening one 14; openings II 15; opening three 16; openings IV 17; contact slide bar one 18; the contact slide bar pushes the first spring 19; a second contact slide bar 20; the contact slide bar pushes the second spring 21; contact slide bar three 22; a contact slide bar pushing spring III 23; contact slide bar four 24; a contact slide bar pushing spring IV 25; an inner end push spring 26; an inner end opening 27.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
As shown in fig. 1-8, a limit switch with a protection device comprises a middle-end installation frame 1 and two sealing end covers 2, wherein the two sealing end covers 2 are respectively and fixedly installed on the front end surface and the rear end surface of the middle-end installation frame 1, the limit switch further comprises a stroke trigger assembly and a wiring assembly 13, the stroke trigger assembly is connected with the middle-end installation frame 1, the wiring assembly 13 is connected with the stroke trigger assembly, and the wiring assembly 13 is provided with a plurality of limit switches.
Example 2
As shown in fig. 1-8, the stroke triggering component comprises a stroke control rod 3, a connecting slide rod 4, a middle-end sliding frame 5, a connecting plate I6, a fuse 7, a fuse tensioning frame 8, a connecting plate II 9, a spring limiting sleeve II 12, a contact slide rod I18, a contact slide rod push spring I19, a contact slide rod II 20, a contact slide rod push spring II 21, a contact slide rod III 22, a contact slide rod push spring III 23, a contact slide rod IV 24, a contact slide rod push spring IV 25, an inner-end push spring 26 and an inner-end opening 27, wherein the stroke control rod 3 is fixedly arranged at one end of the connecting slide rod 4, the other end of the connecting slide rod 4 is fixedly provided with the middle-end sliding frame 5, the connecting plate I6 is fixedly arranged on the middle-end sliding frame 5, the contact slide rod I18 is slidably arranged on the middle-end sliding frame 5, the contact slide rod push spring I19 is arranged between the contact slide rod I18 and the connecting plate I6, the second contact slide rod 20 is slidably arranged on the middle-end sliding frame 5, the second contact slide rod 20 and the first connecting plate 6 are provided with the second contact slide rod push spring 21, the second connecting plate 9 is fixedly arranged on the middle-end sliding frame 5, the third contact slide rod 22 is slidably arranged on the middle-end sliding frame 5, the third contact slide rod push spring 23 is arranged between the third contact slide rod 22 and the second connecting plate 9, the fourth contact slide rod 24 is slidably arranged on the middle-end sliding frame 5, the fourth contact slide rod 24 and the fourth connecting plate 9 are provided with the fourth contact slide rod push spring 25, the first fuse 7 is arranged between the first connecting plate 6 and the second connecting plate 9, the fuse 7 is contacted with the fuse tensioning frame 8, the fuse tensioning frame 8 is slidably arranged on the middle-end sliding frame 5, the inner end opening 27 is arranged on the middle-end sliding frame 5, the inner end push spring 26 is fixedly connected with the fuse tensioning frame 8, the connecting slide bar 4 and the middle-end sliding frame 5 are simultaneously in sliding fit with the middle-end installation frame 1, and the arrangement is that the stroke control rod 3 is triggered by the external connection, so that the stroke control rod 3 drives the connecting slide bar 4 and the middle-end sliding frame 5 to move downwards along the middle-end installation frame 1, two wiring components 13 which are initially positioned in an upper side conduction loop are separated from the first contact slide bar 18 and the third contact slide bar 22, and the two wiring components 13 of a lower side conduction loop are contacted with the second contact slide bar 20 and the fourth contact slide bar 24 to form a loop, so that the switching of the electrified state is realized; meanwhile, as the fuse 7 is arranged between the first connecting plate 6 and the second connecting plate 9, the circuit is prevented from being damaged due to overlarge instantaneous current, and on-off protection is realized through the fuse 7.
The middle end installation frame 1 is simultaneously provided with an opening I14, an opening II 15, an opening III 16 and an opening IV 17, the inner end of the middle end installation frame 1 is specifically provided with four wiring components 13, the four wiring components 13 are adjacent to the opening I14, the opening II 15, the opening III 16 and the opening IV 17 respectively, the contact slide bar I18 and the contact slide bar III 22 can be simultaneously conducted with the two wiring components 13 arranged at the upper part of the inner end of the middle end installation frame 1 to form a loop, and the contact slide bar II 20 and the contact slide bar IV 24 can be simultaneously conducted with the two wiring components 13 arranged at the lower part of the inner end of the middle end installation frame 1 to form a loop.
The middle-end installation frame 1 is internally provided with a first spring limit sleeve 11, the middle-end sliding frame 5 is provided with a second spring limit sleeve 12, one end of the jacking spring 10 is installed on the first spring limit sleeve 11, and the other end of the jacking spring 10 is installed on the second spring limit sleeve 12.
Example 3
As shown in fig. 1-8, the wiring assembly 13 includes a contact frame 13-1, a pressing plate 13-2 and a locking screw 13-3, the contact frame 13-1 is fixedly installed on the middle end installation frame 1, the pressing plate 13-2 is slidably installed on the contact frame 13-1, the locking screw 13-3 is rotatably connected with the pressing plate 13-2, the locking screw 13-3 is in threaded connection with the contact frame 13-1, and in this way, a connecting wire is placed between the contact frame 13-1 and the pressing plate 13-2, and locking of the connecting wire is achieved by screwing the locking screw 13-3.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. Limit switch with protector, including well end installation frame (1) and end cover (2), end cover (2) set up two, two end cover (2) fixed mounting respectively in the front and back both ends face of well end installation frame (1), its characterized in that still includes stroke trigger assembly and wiring subassembly (13), stroke trigger assembly is connected with well end installation frame (1), wiring subassembly (13) are connected with stroke trigger assembly to wiring subassembly (13) are provided with a plurality of.
2. The limit switch with the protection device according to claim 1, wherein the travel trigger assembly comprises a travel control rod (3), a connecting slide rod (4), a middle-end sliding frame (5), a first connecting plate (6), a fuse (7), a fuse tensioning frame (8), a second connecting plate (9), a second spring limit sleeve (12), a first contact slide rod (18), a first contact slide rod push spring (19), a second contact slide rod (20), a second contact slide rod push spring (21), a third contact slide rod (22), a third contact slide rod push spring (23), a fourth contact slide rod (24), a fourth contact slide rod push spring (25), an inner end push spring (26) and an inner end opening (27), the travel control rod (3) is fixedly arranged at one end of the connecting slide rod (4), the middle-end sliding frame (5) is fixedly arranged at the other end of the connecting slide rod (4), the connecting plate (6) is fixedly arranged on the middle-end sliding frame (5), the first contact slide rod (18) is slidably arranged on the middle-end sliding frame (5), the first contact slide rod (18) is arranged between the first contact slide rod push spring (19) and the connecting plate (6), the second contact slide rod (20) is slidably arranged on the connecting plate (20), a connecting plate II (9) is fixedly arranged on the middle-end sliding frame (5), a contact sliding rod III (22) is slidably arranged on the middle-end sliding frame (5), a contact sliding rod pushing spring III (23) is arranged between the contact sliding rod III (22) and the connecting plate II (9), a contact sliding rod IV (24) is slidably arranged on the middle-end sliding frame (5), a contact sliding rod pushing spring IV (25) is arranged between the contact sliding rod IV (24) and the connecting plate II (9), a fuse (7) is arranged between the connecting plate I (6) and the connecting plate II (9), the fuse (7) is in contact with a fuse tensioning frame (8), the fuse tensioning frame (8) is slidably arranged on the middle-end sliding frame (5), an inner end opening (27) is formed in the middle-end sliding frame (5), an inner end pushing spring (26) is inserted into the inner end opening (27), and the inner end pushing spring (26) is fixedly connected with the fuse tensioning frame (8), and the connecting sliding rod (4) and the middle-end sliding frame (5) are simultaneously in sliding fit with the middle-end mounting frame (1).
3. The limit switch with the protection device according to claim 2, wherein a first spring limit sleeve (11) is arranged in the middle-end installation frame (1), a second spring limit sleeve (12) is arranged on the middle-end sliding frame (5), one end of the jacking spring (10) is arranged on the first spring limit sleeve (11), and the other end of the jacking spring (10) is arranged on the second spring limit sleeve (12).
4. A limit switch with a protective device according to claim 1, characterized in that the wiring assembly (13) comprises a contact frame (13-1), a pressing plate (13-2) and a locking screw (13-3), wherein the contact frame (13-1) is fixedly arranged on the middle end installation frame (1), the pressing plate (13-2) is slidably arranged on the contact frame (13-1), the locking screw (13-3) is rotatably connected with the pressing plate (13-2), and the locking screw (13-3) is in threaded connection with the contact frame (13-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321922300.6U CN220526766U (en) | 2023-07-20 | 2023-07-20 | Limit switch with protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321922300.6U CN220526766U (en) | 2023-07-20 | 2023-07-20 | Limit switch with protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220526766U true CN220526766U (en) | 2024-02-23 |
Family
ID=89939579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321922300.6U Active CN220526766U (en) | 2023-07-20 | 2023-07-20 | Limit switch with protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220526766U (en) |
-
2023
- 2023-07-20 CN CN202321922300.6U patent/CN220526766U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |