CN209822483U - Limit switch of switching circuit - Google Patents
Limit switch of switching circuit Download PDFInfo
- Publication number
- CN209822483U CN209822483U CN201920916760.5U CN201920916760U CN209822483U CN 209822483 U CN209822483 U CN 209822483U CN 201920916760 U CN201920916760 U CN 201920916760U CN 209822483 U CN209822483 U CN 209822483U
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- switch
- fixedly connected
- shell
- limit switch
- wall
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Abstract
The utility model discloses a limit switch of switching circuit, which comprises a housin, the vertical activity cross-under in top of U type fixed plate has the ejector pin, the top fixedly connected with movable block of ejector pin, the guiding hole that the slope set up is seted up to the lateral wall of movable block, the equal fixedly connected with in top of two fixed blocks has the T type guide rail that the level set up, the equal symmetrical sliding connection of outer wall of T type guide rail has two movable blocks, the equal fixedly connected with slope of the lateral wall of two movable blocks upwards sets up two guide bars, the quad slit has been seted up to the lateral wall of casing, the inner wall of quad slit rotates and is connected with first pivot, the outer wall of first pivot has cup jointed the driving lever, the utility model relates to a limit switch. The utility model discloses, the carriage release lever of having solved current outside actuating mechanism can only carry out the spacing of one side through a limit switch, if needs make outside actuating mechanism's carriage release lever remove and spacing in certain within range, then need install two limit switch's problem.
Description
Technical Field
The utility model relates to a limit switch technical field especially relates to a switching circuit's limit switch.
Background
The limit switch is also called a travel switch, and can be installed on relatively static objects (such as a fixed frame, a door frame and the like, for short, static objects) or moving objects (such as a traveling crane, a door and the like, for short, animals). When the animal approaches a stationary object, the linkage of the switch drives the contacts of the switch causing the closed contacts to open or the open contacts to close. The circuit and the motor are controlled by the change of the on-off state of the switch contact.
In the prior art, the movable rod of the external actuating mechanism can only be limited on one side by one limit switch, and if the movable rod of the external actuating mechanism needs to move and be limited within a certain range, two limit switches need to be installed.
SUMMERY OF THE UTILITY MODEL
The carriage release lever in order to solve current outside actuating mechanism can only carry out the spacing of one side through a limit switch, if need make outside actuating mechanism's carriage release lever remove and spacing in certain within range, then need install two limit switch's problem, the utility model aims at providing a change over circuit's limit switch.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a limit switch of a switching circuit comprises a shell, wherein the bottom of the shell is fixedly connected with two symmetrically arranged U-shaped fixing plates, two fixing blocks positioned between the two U-shaped fixing plates and a switch positioned in the two U-shaped fixing plates, the top of the U-shaped fixed plate is vertically and movably connected with a mandril in a penetrating way, the top of the mandril is fixedly connected with a movable block, the side wall of the movable block is provided with a guide hole which is obliquely arranged, the tops of the two fixed blocks are fixedly connected with a T-shaped guide rail which is horizontally arranged, the outer walls of the T-shaped guide rails are symmetrically and slidably connected with two moving blocks, the side walls of the two moving blocks are fixedly connected with two guide rods which are obliquely and upwards arranged, the lateral wall of casing has seted up the quad slit, the inner wall of quad slit rotates and is connected with first pivot, the driving lever has been cup jointed to the outer wall of first pivot.
Preferably, the outer wall of the ejector rod positioned inside the U-shaped fixed plate is fixedly sleeved with a fixed ring, and the outer wall of the ejector rod positioned between the upper part of the U-shaped fixed plate and the movable block is sleeved with a second spring.
Preferably, the two guide rods are arranged in opposite directions and movably penetrate through the guide holes.
Preferably, the side wall of the shifting lever at one end inside the shell is rotatably connected with a second rotating shaft, and one end of the second rotating shaft, far away from the shifting lever, is fixedly connected with a rotating wheel.
Preferably, the side wall of the deflector rod positioned outside the shell is provided with a mounting hole.
Preferably, the switch comprises a switch shell, a movable column is movably connected to the top of the switch shell in a penetrating mode, one end, located inside the switch shell, of the movable column is connected with a third spring in a blocking mode, a fixed column is fixedly connected to the bottom of the movable column, a switch contact is fixedly connected to the bottom of the inside of the switch shell, and the switch contact is connected with a control circuit inside the shell.
Compared with the prior art, the utility model discloses the beneficial effect who realizes: the moving rod of the external actuating mechanism passes through the mounting hole, the moving rod of the external actuating mechanism drives the deflector rod to rotate on the first rotating shaft, the rotating wheel abuts against the moving block to drive the guide rod to move outwards, the guide rod slides in the guide hole and presses the moving block downwards, the ejector rod presses the moving post on the switch, and the fixed post presses the switch contact downwards, so that the control circuit connected with the switch contact is triggered and further the circuit is switched, the moving rod of the external actuating mechanism moves in the opposite direction, and similarly, the control circuit connected with the switch contact on the other side is triggered, the circuit is switched after the moving rod of the external actuating mechanism moves for a certain distance, the moving rod of the external actuating mechanism moves towards the other side, the moving rod of the external actuating mechanism is limited to move back and forth within a certain range, the fixed ring applies upward elastic force to the moving block, and meanwhile, the second spring applies elastic force to the, the moving block can return, the moving block is separated from the switch, the third spring exerts upward elastic force on the moving column, and the fixed column is separated from the switch contact when the moving block returns.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic structural view of a part of the present invention;
fig. 3 is a schematic structural diagram of the switch of the present invention.
In the figure: the device comprises a shell 1, a U-shaped fixing plate 2, a fixing block 3, a switch 4, a push rod 5, a movable block 6, a guide hole 7, a fixing ring 8, a T-shaped guide rail 9, a moving block 10, a guide rod 11, a square hole 12, a first rotating shaft 13, a deflector rod 14, a second rotating shaft 15, a rotating wheel 16, a mounting hole 17, a switch shell 18, a movable column 19, a third spring 20, a fixed column 21, a switch contact 22 and a second spring 23.
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 3. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content 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 structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. 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.
The utility model provides a technical scheme: a limit switch of a switching circuit comprises a shell 1, wherein the bottom of the shell 1 is fixedly connected with two symmetrically arranged U-shaped fixed plates 2, two fixed blocks 3 positioned between the two U-shaped fixed plates 2 and a switch 4 positioned in the two U-shaped fixed plates 2, the top of each U-shaped fixed plate 2 is vertically and movably penetrated with a push rod 5, the top of each push rod 5 is fixedly connected with a movable block 6, the side wall of each movable block 6 is provided with an obliquely arranged guide hole 7, the tops of the two fixed blocks 3 are fixedly connected with a horizontally arranged T-shaped guide rail 9, the outer wall of each T-shaped guide rail 9 is symmetrically and slidably connected with two movable blocks 10, the side walls of the two movable blocks 10 are fixedly connected with two guide rods 11 obliquely and upwards, the side wall of the shell 1 is provided with a square hole 12, and the inner wall of the square hole 12 is rotatably connected with a first rotating shaft 13, a shift lever 14 is sleeved on the outer wall of the first rotating shaft 13.
The outer wall of the ejector rod 5 located inside the U-shaped fixed plate 2 is fixedly sleeved with a fixed ring 8, and the outer wall of the ejector rod 5 located between the upper portion of the U-shaped fixed plate 2 and the movable block 6 is sleeved with a second spring 23.
The two guide rods 11 are arranged in opposite directions and movably penetrate through the guide holes 7.
The side wall of the shifting lever 14 at one end inside the housing 1 is rotatably connected with a second rotating shaft 15, and one end of the second rotating shaft 15 far away from the shifting lever 14 is fixedly connected with a rotating wheel 16.
The side wall of the shift lever 14 outside the housing 1 is provided with a mounting hole 17.
The switch 4 comprises a switch shell 18, a movable column 19 is movably connected to the top of the switch shell 18 in a penetrating mode, a third spring 20 is connected to one end, located inside the switch shell 18, of the movable column 19 in a blocking mode, a fixed column 21 is fixedly connected to the bottom of the movable column 19, a switch contact 22 is fixedly connected to the bottom inside the switch shell 18, and the switch contact 22 is connected with a control circuit inside the shell 1.
When the circuit is used, the moving rod of the external actuating mechanism passes through the mounting hole 17, the moving rod of the external actuating mechanism drives the deflector rod 14 to rotate on the first rotating shaft 13, the rotating wheel 16 abuts against the moving block 10 to drive the guide rod 11 to move outwards, the guide rod 11 slides in the guide hole 7 and presses the moving block 6 downwards, the ejector rod 5 presses the moving column 19 on the switch 4, the fixed column 21 presses the switch contact 22 downwards, so that the control circuit connected with the switch contact 22 is triggered, the circuit is switched, the moving rod of the external actuating mechanism moves in the opposite direction, similarly, the control circuit connected with the switch contact 22 on the other side is triggered, the circuit is switched after the moving rod of the external actuating mechanism moves for a certain distance, the moving rod of the external actuating mechanism moves towards the other side, and the moving rod of the external actuating mechanism moves back and forth within a certain range, the fixed ring 8 applies upward elastic force to the movable block 6, meanwhile, the second spring 23 applies elastic force to the movable block 10, so that the movable block 10 can return, the movable block 6 is separated from the switch 4, the third spring 20 applies upward elastic force to the movable column 19, and the fixed column 21 is separated from the switch contact 22 when the movable block 10 returns.
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 (6)
1. The utility model provides a limit switch of switching circuit, includes casing (1), its characterized in that: the bottom of the shell (1) is fixedly connected with two U-shaped fixed plates (2) which are symmetrically arranged, two fixed blocks (3) which are positioned between the two U-shaped fixed plates (2) and a switch (4) which is positioned inside the two U-shaped fixed plates (2), the top of each U-shaped fixed plate (2) is vertically and movably penetrated with a push rod (5), the top of each push rod (5) is fixedly connected with a movable block (6), the side wall of each movable block (6) is provided with a guide hole (7) which is obliquely arranged, the tops of the two fixed blocks (3) are fixedly connected with a T-shaped guide rail (9) which is horizontally arranged, the outer wall of each T-shaped guide rail (9) is symmetrically and slidably connected with two movable blocks (10), the side walls of the two movable blocks (10) are fixedly connected with two guide rods (11) which are obliquely and upwards arranged, and the side wall of the shell (1), the inner wall of the square hole (12) is rotatably connected with a first rotating shaft (13), and the outer wall of the first rotating shaft (13) is sleeved with a shifting lever (14).
2. The limit switch of a switching circuit according to claim 1, wherein: the outer wall of the ejector rod (5) located inside the U-shaped fixing plate (2) is fixedly sleeved with a fixing ring (8), and the outer wall of the ejector rod (5) located between the upper portion of the U-shaped fixing plate (2) and the movable block (6) is sleeved with a second spring (23).
3. The limit switch of a switching circuit according to claim 1, wherein: the two guide rods (11) are arranged in opposite directions and movably penetrate through the guide holes (7).
4. The limit switch of a switching circuit according to claim 1, wherein: the side wall of one end, located inside the shell (1), of the shifting lever (14) is rotatably connected with a second rotating shaft (15), and one end, far away from the shifting lever (14), of the second rotating shaft (15) is fixedly connected with a rotating wheel (16).
5. The limit switch of a switching circuit according to claim 1, wherein: the side wall of the deflector rod (14) positioned outside the shell (1) is provided with a mounting hole (17).
6. The limit switch of a switching circuit according to claim 1, wherein: the switch (4) comprises a switch shell (18), a movable column (19) is movably connected to the top of the switch shell (18) in a penetrating mode, a third spring (20) is connected to one end, located inside the switch shell (18), of the movable column (19) in a blocking mode, a fixed column (21) is fixedly connected to the bottom of the movable column (19), a switch contact (22) is fixedly connected to the bottom of the inside of the switch shell (18), and the switch contact (22) is connected with a control circuit inside the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920916760.5U CN209822483U (en) | 2019-06-18 | 2019-06-18 | Limit switch of switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920916760.5U CN209822483U (en) | 2019-06-18 | 2019-06-18 | Limit switch of switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209822483U true CN209822483U (en) | 2019-12-20 |
Family
ID=68884575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920916760.5U Active CN209822483U (en) | 2019-06-18 | 2019-06-18 | Limit switch of switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209822483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761366A (en) * | 2020-07-10 | 2020-10-13 | 浙江正业特钢有限公司 | Full-automatic cutting, polishing and grinding integrated machine for machining stainless steel seamless steel pipes |
-
2019
- 2019-06-18 CN CN201920916760.5U patent/CN209822483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111761366A (en) * | 2020-07-10 | 2020-10-13 | 浙江正业特钢有限公司 | Full-automatic cutting, polishing and grinding integrated machine for machining stainless steel seamless steel pipes |
| CN111761366B (en) * | 2020-07-10 | 2024-01-09 | 浙江正业特钢有限公司 | Full-automatic cutting, polishing and grinding all-in-one machine for machining stainless steel seamless steel pipes |
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