Anti-shake opening and closing mechanism based on rocker-type limit signal switch

Abstract

The present invention discloses an anti-shake opening and closing mechanism based on a rocker-type limit signal switch, which solves the problem of how to eliminate the anti-up and down shake of the rocker-type limit signal switch on the water product layout rack. The invention comprises a rocker-type limit signal switch (2) arranged in a rectangular box frame (1), an opening and closing rocker (3) arranged on the rocker-type limit signal switch (2), a right end of a driving rod (12) inserted into the rectangular box frame (1) connected to a right end contact tongue (23) of the driving rod, the right end contact tongue of the driving rod is arranged on the left side of the rocker-type contact (4), and a horizontal bottom surface (15) is arranged at the lower end of the right end contact tongue of the driving rod. The up and down shake stroke of the opening and closing driving mechanism is converted into the left and right stroke of the tongue-shaped contact by the triangular rocker mechanism, so that the rocker of the rocker-type limit signal switch is kept within the opening limit angle range. The influence of the up and down shake of the layout product on the opening and closing of the switch is overcome, and the operation and maintenance are convenient.

Description

Technical Field

[0001] The invention relates to a limit signal switch, in particular to an opening and closing mechanism and an opening and closing method of a swing-rod type limit signal switch. Background Art

[0002] The swing arm type limit signal switch is a switch that provides a power-on and power-off signal for a trigger circuit. The opening and closing of the switch is achieved by the swing arm on it swinging a certain angle. A torsion spring is connected to the swing arm. The swing arm is often in a vertical upward state due to the action of the torsion spring. At this time, the switch is in an off state; when the swing arm contact is acted upon by an external force, it will rotate. When the swing arm rotates a certain angle, the switch will be connected. Before the switch is connected, the angle range through which the swing arm rotates is the "off limit angle range"; when the external force on the swing arm is removed, the swing arm will automatically rotate back to the off limit angle due to the action of the torsion spring, so that the switch will be in an off state; when the swing arm swings to the on position, it continues to swing downward. At this time, the switch is still in the on state. After the switch is connected, the rotation angle range of the swing arm that continues to swing downward is the "on limit angle range". The off limit angle range and the on limit angle range are two working states of the switch, and the swing arm swing angle at the switch connection point is the dividing point angle. The rocker arm limit signal switch is generally used on the laying rack of aquatic products. The switch is electrically connected to the trigger circuit, and the rocker arm contact of the rocker arm limit signal switch is in mechanical contact with the laid product on the laying rack. When the product is placed on the laying rack, the gravity of the product will act on the rocker arm contact of the rocker arm limit signal switch, and the rocker arm will swing to the open limit angle range to turn on the switch, and the trigger circuit will display through the display that the product is on the laying rack. Due to the strong wind and waves on the water, the products on the laying rack are often in an up and down shaking state, causing the force of the product on the rocker arm contact to fluctuate, and the rocker arm swings back and forth between the open limit angle range and the disconnect limit angle range, causing the product status on the laying rack displayed on the display to be distorted. How to overcome the influence of the up and down shaking on the opening and closing state of the rocker arm limit signal switch has become an urgent problem that needs to be solved when laying aquatic products. Summary of the invention

[0003] The present invention provides an anti-shake opening and closing mechanism and an opening and closing method based on a rocker-type limit signal switch, which solves the technical problem of how to eliminate the anti-up and down shake of the rocker-type limit signal switch on a water product arrangement rack.

[0004] The present invention solves the above technical problems through the following technical solutions:

[0005] The overall concept of the present invention is: after the rocker type limit signal switch is opened, the rocker of the rocker type limit signal switch is operated by the tongue-shaped contact, and the up and down shaking stroke of the opening and closing drive mechanism is converted into the left and right stroke of the tongue-shaped contact through the triangular rocker mechanism, so that the rocker contact of the rocker type limit signal switch is not affected by the up and down shaking of the product and is kept within the opening limit angle range.

[0006] An anti-jitter opening and closing mechanism based on a rocker-type limit signal switch comprises a rectangular box frame, a rocker-type limit signal switch is arranged in the rectangular box frame, an opening and closing rocker is arranged on the rocker-type limit signal switch, a rocker contact is arranged at the outer end of the opening and closing rocker, a driving rod through hole is arranged on the left vertical plate of the rectangular box frame, a driving rod U-shaped bracket is fixedly arranged on the outer side of the left vertical plate of the rectangular box frame, a right vertical plate through hole is arranged on the right vertical plate of the driving rod U-shaped bracket, a left vertical plate through hole is arranged on the left vertical plate of the driving rod U-shaped bracket, a neutral plate is arranged in the middle of the driving rod U-shaped bracket, and a neutral plate through hole is arranged on the neutral plate, the left vertical plate through hole, the neutral plate through hole and the right vertical plate through hole are on the same horizontal line, and the right vertical plate through hole on the driving rod U-shaped bracket is on the left vertical plate of the rectangular box frame. The driving rods are connected through holes, and a driving rod is arranged between the left vertical plate through hole, the middle plate through hole, the right vertical plate through hole and the driving rod through hole, and a driving rod reset spring retaining ring is arranged at the left end of the driving rod, and a left swing rod hinge seat is arranged on the upper end of the left vertical plate of the driving rod U-shaped bracket, and the left swing rod is hinged on the left swing rod hinge seat, and a right pin is arranged on the driving rod on the right side of the middle plate, and the right swing rod is hinged on the right pin, and the left end of the right swing rod and the right end of the left swing rod are hinged together through the driving pin, and a reset spring is sleeved on the driving rod between the driving rod reset spring retaining ring and the middle plate, and a driving rod right end contact tongue is connected to the right end of the driving rod inserted into the rectangular box body frame, and the driving rod right end contact tongue is arranged on the left side of the swing rod contact, and a horizontal lower bottom surface is arranged at the lower end of the driving rod right end contact tongue. The right end surface of the driving rod right end contact tongue is an arc transition surface.

[0007] The right swing rod is a V-shaped swing rod, the swing rod contact is a roller, and a product bracket is arranged on the right pin shaft.

[0008] An anti-jitter opening and closing method based on a rocker-type limit signal switch comprises the following steps:

[0009] The first step is to set a swing rod type limit signal switch in the rectangular box frame, set an opening and closing swing rod on the swing rod type limit signal switch, fix a driving rod U-shaped bracket on the outer side of the left vertical plate of the rectangular box frame, set a driving rod between the left vertical plate through hole, the middle vertical plate through hole, the right vertical plate through hole and the driving rod through hole, set a driving rod reset spring retaining ring at the left end of the driving rod, set a left swing rod hinge seat at the upper end of the left vertical plate of the driving rod U-shaped bracket, and hinge the left swing rod on the left swing rod hinge seat. A right pin is arranged on the driving rod on the right side of the neutral plate, a right swing rod is hinged on the right pin, the left end of the right swing rod is hinged with the right end of the left swing rod through the driving pin, a reset spring is sleeved on the driving rod between the reset spring retaining ring of the driving rod and the neutral plate, the right end of the driving rod is connected to the right end contact tongue of the driving rod, the right end contact tongue of the driving rod is arranged on the left side of the swing rod contact, a horizontal lower bottom surface is arranged at the lower end of the right end contact tongue of the driving rod, and the right end surface of the right end contact tongue of the driving rod is an arc-shaped transition surface;

[0010] The second step is to place the product on the product bracket set on the right pin shaft, and the left and right swing arms swing to the right at the same time, so that the driving rod moves to the right, and the arc-shaped transition surface of the right end surface of the contact tongue at the right end of the driving rod is connected with the top of the swing arm contact. As the driving rod continues to move to the right, the opening and closing swing arm swings downward until the swing arm contact enters the horizontal lower bottom surface set at the lower end of the contact tongue at the right end of the driving rod, and the swing arm type limit signal switch is turned on. After the swing arm type limit signal switch is turned on, under the action of the gravity of the product placed on the product bracket, the driving rod continues to move to the right for a distance and then stops. At this time, the product placed on the product bracket is in a state of being placed in place;

[0011] Step 3: When the product placed on the product bracket shakes up and down, the driving rod will move left and right. During the movement, the rocker contact always remains on the horizontal lower bottom surface set at the lower end of the contact tongue at the right end of the driving rod.

[0012] The present invention overcomes the influence of the up and down shaking of the products arranged on the product arrangement rack on the opening and closing of the rocker type limit switch, and ensures the accurate display of whether there are products on the arrangement rack. In particular, the connecting rod slider mechanism is adopted to convert the up and down shaking into left and right movement, thereby protecting the sensitive components of the trigger circuit. The whole device has a simple structure and is easy to operate and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the present invention. DETAILED DESCRIPTION

[0015] The present invention is described in detail below in conjunction with the accompanying drawings:

[0016] The invention discloses an anti-shake opening and closing mechanism based on a swing-rod type limit signal switch, comprising a rectangular box frame 1, a swing-rod type limit signal switch 2 is arranged in the rectangular box frame 1, an opening and closing swing rod 3 is arranged on the swing-rod type limit signal switch 2, a swing rod contact 4 is arranged at the outer end of the opening and closing swing rod 3, a driving rod through hole 6 is arranged on the left side vertical plate 5 of the rectangular box frame 1, a driving rod U-shaped bracket 7 is fixedly arranged on the outer side surface of the left side vertical plate of the rectangular box frame 1, and a driving rod U-shaped bracket 7 is fixedly arranged on the driving rod U-shaped bracket 7. A right side vertical plate through hole 8 is provided on the right side vertical plate of the frame 7, a left side vertical plate through hole 9 is provided on the left side vertical plate of the driving rod U-shaped bracket 7, a neutral plate 10 is provided in the middle of the driving rod U-shaped bracket 7, and a neutral plate through hole 11 is provided on the neutral plate 10. The left side vertical plate through hole 9, the neutral plate through hole 11 and the right side vertical plate through hole 8 are on the same horizontal line, and the right side vertical plate through hole 8 on the driving rod U-shaped bracket 7 is connected to the driving rod through hole 6 provided on the left side vertical plate of the rectangular box body frame 1. A driving rod 12 is arranged between the left vertical plate through hole 9, the middle vertical plate through hole 11, the right vertical plate through hole 8 and the driving rod through hole 6, a driving rod return spring retaining ring 13 is arranged at the left end of the driving rod 12, a left swing rod hinge seat 17 is arranged at the upper end of the left vertical plate of the driving rod U-shaped bracket 7, a left swing rod 18 is hinged on the left swing rod hinge seat 17, a right pin 21 is arranged on the driving rod 12 on the right side of the middle vertical plate 10, a right swing rod 19 is hinged on the right pin 21, and the right swing rod 19 is hinged on the right swing rod 19. The left end is hinged with the right end of the left swing rod 18 through a driving pin 20, a reset spring 14 is sleeved on the driving rod 12 between the driving rod reset spring retaining ring 13 and the neutral plate 10, and a driving rod right end contact tongue 23 is connected to the right end of the driving rod 12 inserted into the rectangular box frame 1, and the driving rod right end contact tongue 23 is arranged on the left side of the swing rod contact 4, and a horizontal lower bottom surface 15 is arranged at the lower end of the driving rod right end contact tongue 23, and the right end surface of the driving rod right end contact tongue 23 is an arc-shaped transition surface 16.

[0017] The right swing rod 19 is a V-shaped swing rod, so that the driving rod 12 will not get stuck when moving left and right. The swing rod contact 4 is a roller, which reduces the wear between the swing rod contact 4 and the contact tongue 23 at the right end of the driving rod. A product bracket 22 is arranged on the right pin shaft 21.

[0018] An anti-jitter opening and closing method based on a rocker-type limit signal switch comprises the following steps:

[0019] The first step is to set a swing lever type limit signal switch 2 in the rectangular box body frame 1, set an opening and closing swing lever 3 on the swing lever type limit signal switch 2, and fix a driving rod U-shaped bracket 7 on the outer side of the left vertical plate of the rectangular box body frame 1. A driving rod 12 is set between the left vertical plate through hole 9, the middle vertical plate through hole 11, the right vertical plate through hole 8 and the driving rod through hole 6. A driving rod reset spring retaining ring 13 is set at the left end of the driving rod 12. A left swing lever hinge seat 17 is set at the upper end of the left vertical plate of the driving rod U-shaped bracket 7. A left swing lever 18 is hinged on the left swing lever hinge seat 17. On the right side of the middle plate 10, a driving rod 12 is set between the left vertical plate through hole 9, the middle vertical plate through hole 11, the right vertical plate through hole 8 and the driving rod through hole 6. A right pin shaft 21 is provided on the driving rod 12, a right swing rod 19 is hinged on the right pin shaft 21, a left end of the right swing rod 19 and a right end of the left swing rod 18 are hinged together through a driving pin shaft 20, a reset spring 14 is sleeved on the driving rod 12 between the driving rod reset spring retaining ring 13 and the neutral plate 10, a driving rod right end contact tongue 23 is connected to the right end of the driving rod 12 inserted into the rectangular box body frame 1, the driving rod right end contact tongue 23 is provided on the left side of the swing rod contact 4, a horizontal lower bottom surface 15 is provided at the lower end of the driving rod right end contact tongue 23, and the right end surface of the driving rod right end contact tongue 23 is an arc-shaped transition surface 16;

[0020] Step 2: Place the product on the product bracket 22 provided on the right pin shaft 21, and the left swing rod 18 and the right swing rod 19 swing to the right at the same time, so that the driving rod 12 moves to the right, and the arc-shaped transition surface 16 of the right end surface of the contact tongue 23 at the right end of the driving rod is in contact with the swing rod contact 4. As the driving rod 12 continues to move to the right, the opening and closing swing rod 3 swings downward until the swing rod contact 4 enters the horizontal lower bottom surface 15 provided at the lower end of the contact tongue 23 at the right end of the driving rod, and the swing rod type limit signal switch is turned on. After the swing rod type limit signal switch is turned on, under the action of the gravity of the product placed on the product bracket 22, the driving rod 12 continues to move to the right for a distance and then stops. At this time, the product placed on the product bracket 22 is in a state of being placed in place.

[0021] Step 3: When the product placed on the product bracket 22 shakes up and down, the driving rod 12 moves left and right. During the movement, the rocker contact 4 always remains on the horizontal bottom surface 15 set at the lower end of the contact tongue 23 at the right end of the driving rod.

[0022] When the product is placed on the product bracket 22 set on the right pin shaft 21, the left swing rod 18 and the right swing rod 19 swing to the right at the same time, so that the driving rod 12 moves to the right, and the arc transition surface 16 of the right end surface of the contact tongue 23 at the right end of the driving rod is in contact with the swing rod contact 4. As the driving rod 12 continues to move to the right, the opening and closing swing rod 3 swings downward until the swing rod contact 4 enters the horizontal lower bottom surface 15 set at the lower end of the contact tongue 23 at the right end of the driving rod. The swing rod type limit signal switch is turned on. In this process, the opening and closing swing rod 3 swings within the disconnection limit angle range; the swing rod type After the limit signal switch is turned on, under the action of gravity of the product placed on the product bracket 22, the driving rod 12 continues to move to the right for a distance and then stops. At this time, the product placed on the product bracket 22 is in a state of being placed in place. During this process, the opening and closing swing arm 3 swings within the opening limit angle range. The connecting rod slider mechanism of the present invention is designed to ensure that after the product on the layout rack is placed in place, the opening and closing swing arm 3 swings within the opening limit angle range, and ensures that after the product encounters a large up and down shake, the opening and closing swing arm 3 will not deviate from the opening limit angle range.

Claims

1. An anti-shake opening and closing mechanism based on a rocker-type limit signal switch, comprising a rectangular box frame (1), a rocker-type limit signal switch (2) arranged in the rectangular box frame (1), an opening and closing rocker (3) arranged on the rocker-type limit signal switch (2), a rocker contact (4) arranged at the outer end of the opening and closing rocker (3), and a drive rod through hole (6) arranged on the left vertical plate (5) of the rectangular box frame (1), characterized in that: A driving rod U-shaped bracket (7) is fixedly arranged on the outer side of the left vertical plate of the rectangular box body frame (1), a right vertical plate through hole (8) is arranged on the right vertical plate of the driving rod U-shaped bracket (7), a left vertical plate through hole (9) is arranged on the left vertical plate of the driving rod U-shaped bracket (7), a neutral plate (10) is arranged in the middle of the driving rod U-shaped bracket (7), and a neutral plate through hole (11) is arranged on the neutral plate (10), the left vertical plate through hole (9), the neutral plate through hole (11) and the right vertical plate through hole (8) are on the same horizontal line, and the driving rod U-shaped bracket (7) is provided with a right vertical plate through hole (8). The right side vertical plate through hole (8) is connected to the driving rod through hole (6) provided on the left side vertical plate of the rectangular box body frame (1); a driving rod (12) is provided between the left side vertical plate through hole (9), the middle plate through hole (11), the right side vertical plate through hole (8) and the driving rod through hole (6); a driving rod return spring retaining ring (13) is provided at the left end of the driving rod (12); a left swing rod hinge seat (17) is provided at the upper end of the left side vertical plate of the driving rod U-shaped bracket (7); a left swing rod (18) is hinged on the left swing rod hinge seat (17); and a driving rod (18) is hinged on the right side of the middle plate (10). A right pin shaft (21) is arranged on the driving rod (12) on the side, a right swing rod (19) is hinged on the right pin shaft (21), the left end of the right swing rod (19) and the right end of the left swing rod (18) are hinged together through the driving pin shaft (20), a return spring (14) is sleeved on the driving rod (12) between the driving rod return spring retaining ring (13) and the neutral plate (10), a driving rod right end contact tongue (23) is connected to the right end of the driving rod (12) inserted into the rectangular box body frame (1), the driving rod right end contact tongue (23) is arranged on the left side of the swing rod contact (4), and the driving rod The lower end of the right end contact tongue (23) is provided with a horizontal bottom surface (15), and the right end surface of the right end contact tongue (23) of the driving rod is an arc-shaped transition surface (16); the right swing rod (19) is a V-shaped swing rod, and the swing rod contact (4) is a roller. A product bracket (22) is provided on the right pin shaft (21). When a product is placed on the product bracket 22 provided on the right pin shaft 21, the left swing rod (18) and the right swing rod (19) swing rightward at the same time, so that the driving rod (12) moves rightward, and the arc-shaped transition surface (16) of the right end surface of the right end contact tongue (23) of the driving rod is in contact with the swing rod contact (4).

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