CN218676834U

CN218676834U - Adjustable limit switch

Info

Publication number: CN218676834U
Application number: CN202223102962.7U
Authority: CN
Inventors: 朱晓林
Original assignee: Tianjin Gangchuang Technology Development Co ltd
Current assignee: Tianjin Gangchuang Technology Development Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-21
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a limit switch with adjustable, the inside of shell is provided with the support plane, the round hole has been seted up to the both sides of support plane, the sliding tray has been seted up in the middle of the bottom of support plane, the bilateral symmetry sliding connection of sliding tray has the sliding block, two fixedly connected with connecting rod, two in the middle of the bottom of sliding block the one end fixedly connected with connecting plate of connecting rod, the bottom fixedly connected with pinion rack of connecting plate, the bottom meshing of pinion rack is connected with the gear, the both sides fixedly connected with of gear rotates the post, the both ends of rotating the post rotate with the shell and be connected, the both sides fixedly connected with spliced pole that the post is close to the gear rotates, the utility model discloses a pulling the spliced pole drives gear revolve, drives under the effect of pinion rack and sliding block, adsorbs the balancing piece through magnetism to drive arc lever slope and realize outage and circular telegram, thereby reach the effect of rapid debugging.

Description

Adjustable limit switch

Technical Field

The utility model relates to a limit switch technical field, concretely relates to limit switch with adjustable.

Background

The limit switch is also called travel switch, it is a common low current master electrical apparatus, it utilizes the collision of the producing mechanical moving part to make its contact act to implement connection or disconnection of control circuit, and achieves a certain control purpose, usually, this kind of switch is used to limit the position or travel of mechanical movement, and make the moving machine automatically stop, reverse movement, variable speed movement or automatic back and forth movement according to a certain position or travel, in the actual production, the travel switch is installed at the prearranged position, when the module installed on the producing mechanical moving part impacts the travel switch, the contact of the travel switch acts to implement the switching of the circuit, therefore, the travel switch is an electrical apparatus which switches the circuit according to the travel position of the moving part, because the use scene of the limit switch is more frequent, in order to ensure the operation safety of the machine, the limit switch needs to be debugged after being installed on each machine, ensure the normal use of the switch, and some related parameters are set, thus this scheme has proposed an adjustable limit switch.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a limit switch with adjustable.

The utility model discloses the technical problem that will solve as follows: in order to ensure the safe operation condition of the machine, the machine debugging is convenient, and some social relevant parameters are provided.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a limit switch with adjustable, includes the shell, the inside of shell is provided with the support plane, the round hole has been seted up to the both sides of support plane, the sliding tray has been seted up in the middle of the bottom of support plane, the bilateral symmetry sliding connection of sliding tray has the sliding block, two fixedly connected with connecting rod, two in the middle of the bottom of sliding block the one end fixedly connected with connecting plate of connecting rod, the bottom fixedly connected with pinion rack of connecting plate, the bottom meshing of pinion rack is connected with the gear, the both sides fixedly connected with of gear rotates the post, the both ends of rotating the post rotate with the shell and be connected, it is close to the both sides fixedly connected with spliced pole of gear to rotate the post, the one end fixedly connected with gyro wheel of spliced pole, the trapezoidal salient piece of fixedly connected with in the middle of the top of support plane, the top fixedly connected with arc salient piece of trapezoidal salient piece, the arc salient piece rotates and is connected with the arc lever, symmetrical fixedly connected with telescopic link in the middle of the top of arc lever, the bottom bilateral symmetry fixedly connected with connecting block one and connecting block two, the bottom fixedly connected with metal salient point and rubber protrusion point respectively press the two balanced block and two balanced mechanism on the top.

As a further aspect of the present invention: the shell is close to the both sides symmetry of trapezoidal protruding piece and has seted up circular telegram hole and outage hole, circular telegram hole is connected with metal salient point, the outage hole is connected with rubber salient point.

As a further aspect of the present invention: the bottom of the first balance block and the bottom of the second balance block are both provided with metal blocks, and the bottom ends of the first balance block and the second balance block penetrate through round holes to be connected with the magnetic blocks.

As a further aspect of the present invention: pressing means one includes recess one and recess two, the top fixed mounting of recess one has fixed plate one, the bottom and the shell fixed connection of fixed plate one, fixed plate one alternates and is connected with rectangle frame one, the inside of rectangle frame one is provided with compression spring one, the one end fixedly connected with fixed block one of compression spring one, triangle groove one has been seted up to one side of rectangle frame one, the bottom fixedly connected with of rectangle frame one presses a compression column one.

As a further aspect of the present invention: the top fixed mounting of recess two has fixed plate two, fixed plate two alternates and is connected with rectangle frame two, the inside of rectangle frame two is provided with compression spring two, the bottom fixedly connected with triangle salient piece one of rectangle frame two, triangle salient piece one is connected with a triangular groove block of rectangle frame one side.

As a further aspect of the present invention: pressing means two is including fluted three and recess four, the top fixed mounting of recess three has fixed plate three, the bottom and the shell fixed connection of fixed plate three, fixed plate three alternates and is connected with rectangle frame three, the inside of rectangle frame three is provided with compression spring three, the one end fixedly connected with fixed block two of compression spring three, triangle groove two has been seted up to one side of rectangle frame three, the bottom fixedly connected with of rectangle frame three presses post two.

As a further aspect of the present invention: the top fixed mounting of recess four has fixed plate four, fixed plate four alternates and is connected with rectangle frame four, rectangle frame four's inside is provided with compression spring four, rectangle frame four's bottom fixedly connected with triangle salient piece two, triangle salient piece two is connected with the two blocks of triangular groove on three one side of rectangle frame.

The utility model has the advantages that: the utility model discloses a circular telegram hole and outage hole are fixed the circuit, thereby reach the effect convenient to it is fixed, make compression spring one pull open through pressing rectangle frame one on the pressing mechanism one, thereby make triangle salient piece block on the triangular groove one of rectangle frame one side, thereby make pressing post one be connected with balancing piece one, thereby drive arc lever to a lopsidedness, thereby drive connecting block one and metal salient point downstream, thereby give the circular telegram hole circular telegram, thereby whether reach the circular telegram function of ensureing the circular telegram hole normal, make compression spring three pull open when rethread presses rectangle frame three on the pressing mechanism two, thereby make triangle salient piece two blocks on the triangular groove two of rectangle frame three one side, thereby make pressing post two be connected with balancing piece two, thereby drive arc lever to a lopsidedness, thereby drive connecting block two and rubber salient point downstream, thereby cut off the power supply to the outage hole, thereby reach and ensure whether the spliced pole of outage hole can cut off the power supply, drive gear revolve through the pulling at last, drive the sliding block and inhale the piece absorption piece and reach two balancing pieces of absorption, thereby realize the circular telegram effect of debugging and the circular telegram with the balancing piece fast.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the gear and the rotary column of the present invention;

fig. 3 is a schematic view of the connection structure of the gear and the toothed plate in the present invention;

fig. 4 is a schematic structural view of a first pressing mechanism of the present invention;

fig. 5 is a schematic structural diagram of the second pressing mechanism of the present invention.

In the figure: 1. a housing; 2. a support plane; 3. a circular hole; 4. a sliding groove; 5. a slider; 6. a connecting rod; 7. a connecting plate; 8. a toothed plate; 9. a gear; 10. rotating the column; 11. connecting columns; 12. a roller; 13. a magnetic block; 14. a trapezoidal protruding block; 15. an arc-shaped protruding block; 16. an arc-shaped lever; 17. a telescopic rod; 18. a first connecting block; 108. a second connecting block; 19. metal protruding points; 109. rubber protruding points; 20. a first balance block; 110. a second balance block; 101. a power-on hole; 102. a power-off hole; 21. a first pressing mechanism; 210. a first groove; 211. a first fixing plate; 212. a first rectangular frame; 213. a first compression spring; 214. a first fixed block; 215. a triangular groove I; 216. pressing the first column; 217. a second groove; 218. a second fixing plate; 219. a second rectangular frame; 220. a second compression spring; 221. a first triangular protruding block; 22. a second pressing mechanism; 230. a second groove; 231. a third fixing plate; 232. a third rectangular frame; 233. a third compression spring; 234. a second fixed block; 235. a triangular groove II; 236. pressing the second column; 237. a fourth groove; 238. fixing a plate IV; 239. a rectangular frame IV; 240. a fourth compression spring; 241. and a second triangular protruding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-5, an adjustable limit switch, which comprises a housing 1, a supporting plane 2 is arranged inside the housing 1, round holes 3 are formed in two sides of the supporting plane 2, a sliding groove 4 is formed in the middle of the bottom of the supporting plane 2, sliding blocks 5 are symmetrically and slidably connected to two sides of the sliding groove 4, connecting rods 6 are fixedly connected to the middle of the bottom of the two sliding blocks 5, one end of each connecting rod 6 is fixedly connected to a connecting plate 7, a bottom of the connecting plate 7 is fixedly connected to a toothed plate 8, a bottom of the toothed plate 8 is engaged with a gear 9, two sides of the gear 9 are fixedly connected to a rotating column 10, two ends of the rotating column 10 are rotatably connected to the housing 1, the rotating column 10 is close to two sides of the gear 9 and is fixedly connected to a connecting column 11, one end of the connecting column 11 is fixedly connected to a roller 12, a trapezoidal convex block 14 is fixedly connected to the middle of the top of the supporting plane 2, an arc convex block 15 is fixedly connected to the top of the trapezoidal convex block 14, the arc convex block 15 is rotatably connected to an arc lever 16, a telescopic rod 17 is rotatably connected to the middle of the top of the arc convex block 15, two ends of the arc lever 18, two ends of the first connecting block 18 are respectively connected to a first fixing point pressing mechanism 20 and a balance block 20, and a balance mechanism 20 are respectively connected to the two pressing mechanism 20, and a balance block 110.

The two sides of the shell 1 close to the trapezoid protruding block 14 are symmetrically provided with a power-on hole 101 and a power-off hole 102, the power-on hole 101 is connected with a metal protruding point 19, the power-off hole 102 is connected with a rubber protruding point 109 to achieve the effect of power-on, the bottoms of the first balance weight 20 and the second balance weight 110 are respectively provided with a metal block, the bottom ends of the first balance weight 20 and the second balance weight 110 penetrate through a round hole 3 to be connected with a magnetic attraction block 13 to achieve the effect of adjustment, the first pressing mechanism 21 comprises a first groove 210 and a second groove 217, the top of the first groove 210 is fixedly provided with a first fixing plate 211, the bottom of the first fixing plate 211 is fixedly connected with the shell 1, the first fixing plate 211 is connected with a first rectangular frame 212 in an inserting manner, a first compression spring 213 is arranged inside the first rectangular frame 212, one end of the first compression spring 213 is fixedly connected with a first fixing block 214, one side of the first rectangular frame 212 is provided with a first triangular groove 215, the bottom of the first rectangular frame 212 is fixedly connected with a first pressing column 216, a second fixing plate 218 is fixedly installed at the top of the second groove 217, a second rectangular frame 219 is connected with the second fixing plate 218 in an inserting manner, a second compression spring 220 is arranged inside the second rectangular frame 219, a first triangular protruding block 221 is fixedly connected with the bottom of the second rectangular frame 219, the first triangular protruding block 221 is connected with a first triangular groove 215 on one side of the first rectangular frame 212 in a clamping manner, so that the debugging effect is achieved, a second pressing mechanism 22 comprises a third groove 230 and a fourth groove 237, a third fixing plate 231 is fixedly installed at the top of the third groove 230, the bottom of the third fixing plate 231 is fixedly connected with the shell 1, a third rectangular frame 232 is connected with the third fixing plate 231 in an inserting manner, a third compression spring 233 is arranged inside the third rectangular frame 232, a second fixing block 234 is fixedly connected with one end of the third compression spring 233, a second triangular groove 235 is arranged on one side of the third rectangular frame 232, and a second pressing column 236 is fixedly connected with the bottom of the third rectangular frame 232, the top fixed mounting of recess four 237 has fixed plate four 238, and fixed plate four 238 alternates and is connected with rectangle frame four 239, and the inside of rectangle frame four 239 is provided with compression spring four 240, and the bottom fixedly connected with triangle of rectangle frame four 239 protrudes piece two 241, and triangle protrudes piece two 241 and is connected with the triangle groove two 235 block on the three 232 one side of rectangle frame to reach the effect of debugging.

The utility model discloses a theory of operation: firstly, the circuit is fixed through the electrifying hole 101 and the power-off hole 102, the first compression spring 213 is pulled open by pressing the first rectangular frame 212 on the first pressing mechanism 21, so that the first triangular protruding block 221 is clamped on the first triangular groove 215 on one side of the first rectangular frame 212, so that the first pressing column 216 is connected with the first balance block 20, the arc-shaped lever 16 is driven to incline towards one side, the first connecting block 18 and the metal protruding point 19 are driven to move downwards to be connected with the circuit in the electrifying hole 101, whether the function of the electrifying hole 101 is normal or not is ensured, then the first pressing column 216 is separated from the first balance block 20 under the action of the first compression spring 213 by pulling the second rectangular frame 219, the arc-shaped lever 16 is reset under the action of the telescopic rod 17, and the third compression spring 233 is pulled open by pressing the third rectangular frame 232 on the second pressing mechanism 22, thereby make two 241 blocks of triangle protrusion on the triangle groove of three 232 one side of rectangle frame two 235, thereby make two 236 of pressing post be connected with two 110 of balancing piece, thereby drive arc lever 16 to one side slope, thereby drive connecting block two 108 and rubber protrusion point 109 downstream, thereby be connected with the circuit in outage hole 102, thereby ensure whether outage hole 102 can cut off the power supply, then through pulling four 239 of rectangle frame, under the effect of three 233 of compression spring, make two 236 of pressing post break away from balancing piece 110, under the effect of telescopic link 17, make arc lever 16 reset, drive gear 9 through pulling spliced pole 11 at last and rotate, drive under the effect of the sliding block of pinion rack 8 and 5, adsorb balancing piece one 20 and balancing piece two 110 through magnetism piece 13, thereby drive arc lever 16 slope and realize outage and circular telegram.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The adjustable limit switch comprises a shell (1) and is characterized in that a support plane (2) is arranged inside the shell (1), round holes (3) are formed in two sides of the support plane (2), a sliding groove (4) is formed in the middle of the bottom of the support plane (2), sliding blocks (5) are symmetrically and slidably connected to two sides of the sliding groove (4), two connecting rods (6) are fixedly connected to the middle of the bottom of each sliding block (5), two connecting plates (7) are fixedly connected to one ends of the connecting rods (6), toothed plates (8) are fixedly connected to the bottom of the connecting plates (7), gears (9) are meshed with the bottom of the toothed plates (8), rotating columns (10) are fixedly connected to two sides of the gears (9), two ends of each rotating column (10) are rotatably connected with the shell (1), the rotating columns (10) are close to connecting columns (11) fixedly connected to two sides of the gears (9), idler wheels (12) are fixedly connected to one ends of the connecting columns (11), trapezoidal convex blocks (14) are fixedly connected to the middle of the top of the support plane (2), arc blocks (14) are fixedly connected with arc blocks (15), and rotating levers (16) are rotatably connected with arc blocks (15), symmetrical fixedly connected with telescopic link (17) in the middle of the top of arc lever (16), the one end and shell (1) fixed connection of telescopic link (17), the bottom bilateral symmetry fixedly connected with connecting block (18) and connecting block two (108) of arc lever (16), the bottom fixedly connected with metal protrusion point (19) and rubber protrusion point (109) of connecting block (18) and connecting block two (108), the both ends of arc lever (16) are fixedly connected with balancing piece one (20) and balancing piece two (110) respectively, the top both sides of shell (1) are provided with pressing means one (21) and pressing means two (22) respectively.

2. The adjustable limit switch according to claim 1, wherein the housing (1) has a conduction hole (101) and a disconnection hole (102) symmetrically disposed on both sides of the trapezoidal protrusion (14), the conduction hole (101) is connected to the metal protrusion (19), and the disconnection hole (102) is connected to the rubber protrusion (109).

3. The adjustable limit switch of claim 1, wherein the first balance weight (20) and the second balance weight (110) are provided with metal blocks at the bottoms thereof, and the bottom ends of the first balance weight (20) and the second balance weight (110) are connected with the magnetic attraction block (13) through the circular holes (3).

4. The adjustable limit switch according to claim 1, wherein the first pressing mechanism (21) comprises a first groove (210) and a second groove (217), a first fixing plate (211) is fixedly mounted at the top of the first groove (210), the bottom of the first fixing plate (211) is fixedly connected with the housing (1), the first fixing plate (211) is connected with a first rectangular frame (212) in an inserting manner, a first compression spring (213) is arranged inside the first rectangular frame (212), a first fixing block (214) is fixedly connected to one end of the first compression spring (213), a first triangular groove (215) is formed in one side of the first rectangular frame (212), and a first pressing column (216) is fixedly connected to the bottom of the first rectangular frame (212).

5. The adjustable limit switch according to claim 4, wherein a second fixing plate (218) is fixedly mounted at the top of the second groove (217), a second rectangular frame (219) is connected to the second fixing plate (218) in an inserting manner, a second compression spring (220) is arranged inside the second rectangular frame (219), a first triangular protruding block (221) is fixedly connected to the bottom of the second rectangular frame (219), and the first triangular protruding block (221) is connected with a first triangular groove (215) on one side of the first rectangular frame (212) in a clamping manner.

6. The adjustable limit switch according to claim 1, wherein the second pressing mechanism (22) comprises a third groove (230) and a fourth groove (237), a third fixing plate (231) is fixedly mounted at the top of the third groove (230), the bottom of the third fixing plate (231) is fixedly connected with the housing (1), the third fixing plate (231) is connected with a third rectangular frame (232) in an inserting manner, a third compression spring (233) is arranged inside the third rectangular frame (232), a second fixing block (234) is fixedly connected with one end of the third compression spring (233), a second triangular groove (235) is formed in one side of the third rectangular frame (232), and a second pressing column (236) is fixedly connected with the bottom of the third rectangular frame (232).

7. The adjustable limit switch according to claim 6, wherein a fourth fixing plate (238) is fixedly mounted at the top of the fourth groove (237), the fourth fixing plate (238) is connected with a fourth rectangular frame (239) in an inserting manner, a fourth compression spring (240) is arranged inside the fourth rectangular frame (239), a second triangular protruding block (241) is fixedly connected to the bottom of the fourth rectangular frame (239), and the second triangular protruding block (241) is connected with a second triangular groove (235) on one side of the third rectangular frame (232) in a clamping manner.