Optical fiber pull rope switch sensor

Abstract

The utility model provides an optical fiber pull rope switch sensor, which comprises a sensor shell, through holes are arranged at four corners inside the sensor shell, a pull rope reset box mechanism is arranged inside the sensor shell, a rocker reset plate mechanism is arranged on the right side of the sensor shell, and the rocker reset plate mechanism is arranged on the right side of the sensor shell. And a handle is arranged at the opening in the left side of the sensor shell. The arrangement of the pull plate, the rack, the bolt, the rocker, the support and the screw enables the gear to limit the moving range of the pull rope, the function of limiting the movement of the pull rope is facilitated, and different position changes of the button rod of the microswitch can be detected under the condition that different limiting positions are set, so that the stability of equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to switch equipment technical field especially relates to a fiber optic cord switch sensor. BACKGROUND

[0002] The fiber optic cord switch sensor is a sensor for measuring the expansion and contraction of a cord by using the principle of fiber optic interference. The fiber optic cord switch sensor can accurately measure the tension control device of an object. By fixing and connecting the cord on the object to the sensor, the expansion and contraction of the cord can be measured to determine the force applied by the object. The existing fiber optic cord switch sensor includes a housing, a button rod assembly, a pull rod assembly, a contact pushing block, and a fiber optic micro switch. When the button rod assembly and the pull rod assembly move axially, the contact pushing block is moved. The fiber optic micro switch is located on one side of the contact pushing block and the trigger lever of the fiber optic micro switch is pushed when the contact pushing block moves.

[0003] The existing fiber optic cord switch sensor uses a pull rod and a button rod assembly to be closely arranged. When the pull rod is pulled, the pull rod is likely to touch the outer structure, causing the button rod assembly to jam and affecting data collection, resulting in reduced stability of the fiber optic cord switch sensor. SUMMARY

[0004] To solve the above technical problems, the utility model provides a fiber optic cord switch sensor, through the individually arranged cord, can avoid with other components close setting, improve the stability of equipment push and pull, in addition, the gear can limit the movement range of the cord, be favorable to play the function of limiting the movement of the cord, and under the condition of setting different limit, can detect the change of micro switch button rod different position, improve the stability of equipment.

[0005] The utility model is realized through the following technical schemes:

[0006] A fiber optic cord switch sensor includes a sensor housing, a through hole is formed at the four corners of the inside of the sensor housing, a cord reset box mechanism is installed in the inside of the sensor housing, a rocker reset plate mechanism is installed on the right side of the sensor housing, and a handle is placed at the opening on the left side of the sensor housing.

[0007] Preferably, the cord reset box mechanism includes a hollow column and a micro switch button rod, two box bodies are arranged on the left and right sides of the hollow column, springs are fixedly installed on the inner sides of the two box bodies, a cord is fixedly installed between the springs and the micro switch button rod, and the micro switch button rod is connected to the middle position of the hollow column on the left side.

[0008] Preferably, the rocker reset plate mechanism includes a pull plate, the right side of the pull plate is provided with a rack, the pull plate and the rack are connected through a bolt, the upper part of the rack is engaged with a gear, the front end of the gear is provided with a rocker, the lower part of the gear is provided with a support, and the gear and the support are connected through a screw.

[0009] Preferably, the microswitch button rod penetrates the middle position of the sensor shell.

[0010] Preferably, the support is fixedly installed at the middle position of the right side of the sensor shell.

[0011] Preferably, the left side of the pull plate is fixedly installed at the right side of the right side spring.

[0012] Preferably, the handle is fixedly installed at the left side of the left side spring.

[0013] Compared with the prior art, the rocker reset plate mechanism has the beneficial effects that:

[0014] 1. In the utility model, the setting of the pull plate, the rack, the bolt, the rocker, the support and the screw can limit the moving range of the pull rope, is favorable for playing the function of limiting the movement of the pull rope, and can detect the change of the microswitch button rod in different positions under the setting of different limiting conditions, and the stability of the equipment is improved.

[0015] 2. In the utility model, the setting of the pull rope, the spring, the microswitch button rod and the handle is favorable for avoiding close setting with other components and improving the stability of the equipment push and pull through the separately set pull rope. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the utility model.

[0017] Figure 2 It is the structure schematic view of the pull rope reset box mechanism of the utility model.

[0018] Figure 3 It is the structure schematic view of the rocker reset plate mechanism of the utility model.

[0019] In the drawing:

[0020] 1, sensor shell;2, through hole;3, pull rope reset box mechanism;31, hollow column;32, box body;33, spring;34, pull rope;35, microswitch button rod;4, rocker reset plate mechanism;41, pull plate;42, rack;43, bolt;44, gear;45, rocker;46, support;47, screw;5, handle. DETAILED DESCRIPTION

[0021] The present invention will now be described in detail with reference to the accompanying drawings, as shown below. Figure 1 As shown, an optical fiber pull cord switch sensor includes a sensor housing 1. Through holes 2 are provided at the four corners of the sensor housing 1. A pull cord reset box mechanism 3 is installed inside the sensor housing 1. A rocker reset plate mechanism 4 is installed on the right side of the sensor housing 1. A handle 5 is placed at the opening on the left side of the sensor housing 1.

[0022] In this implementation plan, in conjunction with the appendix Figure 2 As shown, the pull-cord reset box mechanism 3 includes a hollow column 31 and a micro switch button rod 35. Boxes 32 are respectively provided on the left and right sides of the hollow column 31. Springs 33 are fixedly installed on the inner sides of the two boxes 32. A pull cord 34 is fixedly installed between the springs 33 and the micro switch button rod 35, and the left side of the micro switch button rod 35 is connected to the middle position of the hollow column 31.

[0023] In this implementation plan, in conjunction with the appendix Figure 3 As shown, the rocker reset plate mechanism 4 includes a pull plate 41, a rack 42 is provided on the right side of the pull plate 41, the pull plate 41 and the rack 42 are connected by bolts 43, a gear 44 is meshed on the upper part of the rack 42, a rocker arm 45 is provided at the front end of the gear 44, a bracket 46 is provided on the lower part of the gear 44, and the gear 44 and the bracket 46 are connected by screws 47.

[0024] In this embodiment, specifically, the micro switch button 35 passes through the middle of the sensor housing 1.

[0025] In this embodiment, specifically, the bracket 46 is fixedly installed at the middle position on the right side of the sensor housing 1.

[0026] In this embodiment, specifically, the left side of the pull plate 41 is fixedly installed on the right side of the spring 33 on the right side.

[0027] In this embodiment, specifically, the handle 5 is fixedly installed on the left side of the spring 33 on the left side.

[0028] In this embodiment, specifically, the hollow column 31 is fixedly installed in the middle position inside the sensor housing 1.

[0029] Working principle

[0030] In the utility model, when using, staff pulls the left pull rope 34 of handle 5, and drives the left pull rope 34 to move, the left pull rope 34 assists the rotation of microswitch button rod 35, resets handle 5, then pulls the right pull rope 34 through the right spring 33, the right pull rope 34 pulls back the left pull rope 34, completes reset, staff drives the gear 44 through the rotation of rocker 45, the gear 44 adjusts the rack 42, adjusts the rack 42 to the right, drives the fastening of the right pull rope 34, when staff pulls the left pull rope 34 through handle 5, can realize the function of limiting microswitch button rod 35, the above-mentioned setting can avoid being closely arranged with other components under the action of the separately arranged pull rope 34, improves the stability of equipment push and pull, in addition, the gear can limit the movement range of pull rope 34, is favorable to the function of limiting the movement of pull rope 34, and under the setting of different limiting conditions, the different position changes of microswitch button rod 35 can be detected, and the stability of equipment is improved.

[0031] The technical scheme disclosed by the utility model, or the technical scheme designed by the person skilled in the art inspired by the technical scheme of the utility model, similar technical schemes achieving the above technical effects all fall within the protection scope of the utility model.

Claims

1. A fiber optic pull-cord switch sensor, characterized in that, The fiber optic pull rope switch sensor includes a sensor housing (1), with through holes (2) at the four corners inside the sensor housing (1), a pull rope reset box mechanism (3) installed inside the sensor housing (1), a rocker reset plate mechanism (4) installed on the right side of the sensor housing (1), and a handle (5) placed at the opening on the left side of the sensor housing (1).

2. The fiber optic pull-cord switch sensor as described in claim 1, characterized in that, The pull-cord reset box mechanism (3) includes a hollow column (31) and a micro switch button rod (35). Boxes (32) are respectively provided on the left and right sides of the hollow column (31). Springs (33) are fixedly installed on the inner sides of the two boxes (32). A pull cord (34) is fixedly installed between the spring (33) and the micro switch button rod (35). The left side of the micro switch button rod (35) is connected to the middle position of the hollow column (31).

3. The fiber optic pull-cord switch sensor as described in claim 2, characterized in that, The rocker reset plate mechanism (4) includes a pull plate (41), a rack (42) is provided on the right side of the pull plate (41), the pull plate (41) and the rack (42) are connected by bolts (43), a gear (44) is meshed on the upper part of the rack (42), a rocker arm (45) is provided at the front end of the gear (44), a bracket (46) is provided on the lower part of the gear (44), and the gear (44) and the bracket (46) are connected by screws (47).

4. The fiber optic pull-cord switch sensor as described in claim 2, characterized in that, The micro switch button rod (35) passes through the middle of the sensor housing (1).

5. The fiber optic pull-cord switch sensor as described in claim 3, characterized in that, The bracket (46) is fixedly installed in the middle right side of the sensor housing (1).

6. The fiber optic pull-cord switch sensor as described in claim 3, characterized in that, The left side of the pull plate (41) is fixedly installed on the right side of the spring (33) on the right side.

7. The fiber optic pull-cord switch sensor as described in claim 3, characterized in that, The handle (5) is fixedly installed on the left side of the spring (33) on the left side.

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