Signal isolation device with high isolation voltage

Abstract

The utility model discloses a signal isolation device with high isolation voltage, which relates to the technical field of signal isolation and comprises a signal isolator main body, a plurality of wiring holes are sequentially arranged on two sides of the signal isolator main body from front to back, and conductive contacts are fixedly arranged at the lower ends of the interiors of the wiring holes. A plurality of wiring holes are formed in the signal isolator body, through holes are formed in the upper sides of the wiring holes, pressing rods are movably arranged in the through holes in a sleeved mode, pressing blocks are fixedly arranged at the upper ends of the pressing rods, cams abut against the upper sides of the pressing blocks, and rotating rods are fixedly arranged on the sides, close to the signal isolator body, of the cams. One end of the rotating rod is rotationally connected with the side wall of the signal isolator main body, and a transverse plate is arranged on the upper surface of the signal isolator main body in an abutting mode. According to the utility model, wires in a plurality of wiring holes can be pressed at the same time, and the efficiency of wiring work can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of signal isolation, in particular to a signal isolation device with high isolation voltage. Background Art

[0002] An isolator uses the linear optocoupler isolation principle to convert input signals into output signals. The input, output, and working power supply are isolated from each other. It is particularly suitable for use with equipment and instruments that require electrical isolation. Isolators, also known as signal isolators, are an important component of industrial control systems.

[0003] When wiring traditional high-isolation voltage signal isolation devices, the wires are usually inserted into the wiring holes and then the limit bolts are tightened to compress the wires. Since high-isolation voltage signal isolation devices need to connect more wires, tightening multiple limit bolts one by one is time-consuming, which reduces the efficiency of the wiring work. Utility Model Content

[0004] In view of the above problems existing in the existing high isolation voltage signal isolation device, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a high isolation voltage signal isolation device, which solves the problem that when wiring the high isolation voltage signal isolation device in the prior art, the wire is usually inserted into the wiring hole, and then the limit bolt is tightened to press the wire. Since the high isolation voltage signal isolation device needs to connect more wires, it is time-consuming to tighten multiple limit bolts one by one, which reduces the efficiency of the wiring work.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A high isolation voltage signal isolation device includes a signal isolator body, wherein both sides of the signal isolator body are sequentially provided with multiple wiring holes from front to back, the lower ends of the multiple wiring holes are fixedly provided with conductive contacts, the upper sides of the multiple wiring holes are provided with through holes, the inner sleeves of the through holes are movably provided with pressure rods, the upper ends of the multiple pressure rods are fixedly provided with pressure blocks, the upper sides of the multiple pressure blocks are abutted against each other with cams, a rotating rod is fixedly provided on the side of the cam close to the signal isolator body, one end of the rotating rod is rotatably connected to the side wall of the signal isolator body, a horizontal plate is abutted against the upper surface of the signal isolator body, and transmission mechanisms for driving the multiple rotating rods to rotate are provided on both sides of the lower surface of the horizontal plate, and a limiting mechanism for limiting the movement of the horizontal plate is provided in the middle of the upper surface of the signal isolator body.

[0008] Preferably, the transmission mechanism includes gears and racks, multiple gears are fixedly sleeved on the rod wall of the corresponding rotating rod, multiple racks are meshed and arranged on the rear side of the corresponding gears, and one end of multiple racks is fixedly connected to the horizontal plate.

[0009] Preferably, the limiting mechanism includes a stopper and a card block, a vertical rod is fixedly provided in the middle of the upper surface of the signal isolator body, the middle of the horizontal plate is movably connected to the vertical rod, a cavity is opened inside the lower end of the vertical rod, the two stoppers are slidably arranged on both sides of the cavity, the two card blocks are fixedly arranged on the side opposite to each other of the two stoppers, the outer ends of the two card blocks extend to the outside of the cavity, and the outer ends of the two card blocks are in conflict with the upper surface of the horizontal plate.

[0010] Preferably, a first spring is movably sleeved on the rod wall of the pressure rod, and two ends of the first spring are respectively connected to the corresponding pressure block and the outer wall of the signal isolator body.

[0011] Preferably, sliding rods are fixedly provided on both sides of the interior of the cavity, and both ends of the stoppers on both sides are movably connected to the corresponding sliding rods.

[0012] Preferably, the rod walls of the sliding rods on both sides are movably sleeved with second springs, and both ends of the second springs are fixedly connected to corresponding stop blocks respectively.

[0013] Preferably, the cross section of the vertical rod is rectangular.

[0014] Preferably, the cross sections of the pressure rod and the through hole are both rectangular.

[0015] Preferably, an inclined surface is provided on the upper side of one outer end of the block.

[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0017] The utility model inserts multiple wires into the corresponding wiring holes, and then moves the horizontal plate downward along the vertical rod, so that multiple racks move downward, and the racks drive the gears to rotate, so that multiple rotating rods drive the corresponding cams to rotate, and then the multiple cams push the corresponding pressure blocks downward, so that the multiple pressure rods move downward, so that the multiple wires can be compressed. At the same time, the elastic force of the second spring pushes one end of the card block out of the cavity, so that the card block is blocked on the upper surface of the horizontal plate, thereby realizing the limitation of the horizontal plate, and then realizing the limitation of multiple wires at the same time, which is easy to operate and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 This is a schematic structural diagram of a high isolation voltage signal isolation device proposed by the present invention;

[0020] Figure 2 for Figure 1 A schematic diagram of the structure of the partial A in the middle part;

[0021] Figure 3 for Figure 1 A schematic diagram of the structure of the partial B in the middle part;

[0022] Figure 4 for Figure 2 A perspective view of the middle cam;

[0023] Figure 5 for Figure 1 Schematic diagram of the side structure of the middle movable plate.

[0024] Description of reference numerals:

[0025] 1. Signal isolator body; 2. Conductive contact; 3. Pressure rod; 4. Vertical rod; 5. Horizontal plate; 6. Pressure block; 7. Rotating rod; 8. Cam; 9. Gear; 10. Rack; 11. First spring; 12. Stop block; 13. Block; 14. Sliding rod; 15. Second spring. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] The embodiment of the utility model discloses a signal isolation device with a high isolation voltage.

[0028] Example 1

[0029] Reference Figure 1-5, a signal isolation device with a high isolation voltage, including a signal isolator body 1, multiple wiring holes are opened on both sides of the signal isolator body 1 from front to back, and conductive contacts 2 are fixedly provided at the lower ends of the multiple wiring holes, and through holes are opened on the upper sides of the multiple wiring holes, and a pressure rod 3 is movably sleeved inside the through hole, and a pressure block 6 is fixedly provided at the upper ends of the multiple pressure rods 3, and a first spring 11 is movably sleeved on the rod wall of the pressure rod 3, and the two ends of the first spring 11 are respectively connected to the corresponding pressure block 6 and the outer wall of the signal isolator body 1 to facilitate the reset of the pressure block 6, and the cross-sections of the pressure rod 3 and the through hole are rectangular, so that the pressure rod 3 cannot rotate, that is, it can slide stably, and cams 8 are set against the upper sides of the multiple pressure blocks 6, and a rotating rod 7 is fixedly provided on the side of the cam 8 close to the signal isolator body 1. One end of the rotating rod 7 is rotatably connected to the side wall of the signal isolator body 1, and a horizontal plate 5 is set against the upper surface of the signal isolator body 1.

[0030] Example 2

[0031] Reference Figure 1-5 On both sides of the lower surface of the horizontal plate 5, there are transmission mechanisms for driving multiple rotating rods 7 to rotate. The transmission mechanisms include gears 9 and racks 10. Multiple gears 9 are fixedly sleeved on the rod walls of the corresponding rotating rods 7, and multiple racks 10 are meshed and arranged on the rear sides of the corresponding gears 9. One ends of the multiple racks 10 are fixedly connected to the horizontal plate 5.

[0032] Example 3

[0033] Reference Figure 1-5 , a limiting mechanism for limiting the movement of the horizontal plate 5 is provided in the middle of the upper surface of the signal isolator body 1, and the limiting mechanism includes a stopper 12 and a card block 13. A vertical rod 4 is fixedly provided in the middle of the upper surface of the signal isolator body 1, and the middle of the horizontal plate 5 is movably connected to the vertical rod 4. The cross section of the vertical rod 4 is rectangular, so that the horizontal plate 5 cannot rotate, that is, it can slide stably. A cavity is opened inside the lower end of the vertical rod 4, and two stoppers 12 are slidably provided on both sides of the interior of the cavity. Two card blocks 13 are fixedly provided on the side opposite to the two stoppers 12, and the outer ends of the two card blocks 13 are They both extend to the outside of the cavity, and one end of the outer side of the two blocks 13 conflicts with the upper surface of the cross plate 5. An inclined surface is provided on the upper side of one end of the outer side of the block 13, so that when the cross plate 5 moves downward, the block 13 can be squeezed into the cavity. Slide rods 14 are fixedly provided on both sides of the interior of the cavity, and both ends of the block 12 on both sides are movably connected with the corresponding slide rods 14, so that the block 12 can slide stably. The rod walls of the slide rods 14 on both sides are movably connected with a second spring 15, and the two ends of the second spring 15 are respectively fixedly connected with the corresponding block 12, which facilitates the resetting of the block 13.

[0034] When the cam 8 is in the gear 9, the gear 9 is rotated, and the plurality of rotating rods 7 drive the corresponding cams 8 to rotate, and then the plurality of cams 8 push the corresponding pressing blocks 6 downward, so that the plurality of pressing rods 3 move downward, and the plurality of wires can be compressed. At the same time, the elastic force of the second spring 15 pushes one end of the card block 13 out of the cavity, so that the card block 13 is blocked on the upper surface of the horizontal plate 5, thereby realizing the limitation of the horizontal plate 5 and then realizing the limitation of multiple wires at the same time. The operation is convenient and time-saving and labor-saving.

[0035] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A signal isolation device with a high isolation voltage, comprising a signal isolator body (1), characterized in that: Both sides of the signal isolator body (1) are provided with a plurality of wiring holes in sequence from front to back, the lower ends of the inner parts of the plurality of wiring holes are fixedly provided with conductive contacts (2), the upper sides of the plurality of wiring holes are provided with through holes, the inner parts of the through holes are movably sleeved with pressure rods (3), the upper ends of the plurality of pressure rods (3) are fixedly provided with pressure blocks (6), the upper sides of the plurality of pressure blocks (6) are provided with cams (8) against each other, a rotating rod (7) is fixedly provided on the side of the cam (8) close to the signal isolator body (1), one end of the rotating rod (7) is rotatably connected to the side wall of the signal isolator body (1), a transverse plate (5) is provided against the upper surface of the signal isolator body (1), and transmission mechanisms for driving the plurality of rotating rods (7) to rotate are provided on both sides of the lower surface of the transverse plate (5), and a limiting mechanism for limiting the movement of the transverse plate (5) is provided in the middle of the upper surface of the signal isolator body (1).

2. The high isolation voltage signal isolation device according to claim 1, characterized in that: The transmission mechanism comprises a gear (9) and a rack (10), wherein a plurality of the gears (9) are fixedly sleeved on the rod wall of the corresponding rotating rod (7), and a plurality of the racks (10) are meshed and arranged on the rear side of the corresponding gear (9), and one end of the plurality of the racks (10) is fixedly connected to the horizontal plate (5).

3. The high isolation voltage signal isolation device according to claim 1, characterized in that: The limiting mechanism includes a stopper (12) and a clamping block (13); a vertical rod (4) is fixedly provided in the middle of the upper surface of the signal isolator body (1); the middle of the horizontal plate (5) is movably connected to the vertical rod (4); a cavity is provided inside the lower end of the vertical rod (4); the two stoppers (12) are slidably provided on both sides of the cavity; the two clamping blocks (13) are fixedly provided on the opposite sides of the two stoppers (12); the outer ends of the two clamping blocks (13) extend to the outside of the cavity; and the outer ends of the two clamping blocks (13) are in contact with the upper surface of the horizontal plate (5).

4. The high isolation voltage signal isolation device according to claim 1, characterized in that: The rod wall of the pressure rod (3) is movably sleeved with a first spring (11), and the two ends of the first spring (11) are respectively connected to the corresponding pressure block (6) and the outer wall of the signal isolator body (1).

5. The high isolation voltage signal isolation device according to claim 3, characterized in that: Slide rods (14) are fixedly provided on both sides of the interior of the cavity, and both ends of the stoppers (12) on both sides are movably sleeved with the corresponding slide rods (14).

6. The high isolation voltage signal isolation device according to claim 5, characterized in that: The rod walls of the sliding rods (14) on both sides are movably sleeved with second springs (15), and the two ends of the second springs (15) are respectively fixedly connected to the corresponding stoppers (12).

7. The high isolation voltage signal isolation device according to claim 3, characterized in that: The cross section of the vertical rod (4) is rectangular.

8. The high isolation voltage signal isolation device according to claim 1, characterized in that: The cross sections of the pressure rod (3) and the through hole are both rectangular.

9. The high isolation voltage signal isolation device according to claim 3, characterized in that: An inclined surface is provided on the upper side of one outer end of the clamping block (13).

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