Electromagnetic interference equipment for isolating signals

Abstract

The utility model provides an electromagnetic interference device used for isolating signals, comprising an electromagnetic interference device and an electrified cable arranged on the electromagnetic interference device, the electromagnetic interference device is provided with a fixing member, the fixing member is internally provided with two pressing plates, one side of each pressing plate is provided with a plurality of fixing rods, the other end of each fixing rod is provided with a fixing block, and the fixing blocks are arranged on the fixing members. A supporting spring is fixedly arranged between the fixing rod and the pressing plate, a movable ring is arranged outside the fixing piece, and a fixing ring is fixedly arranged outside the fixing piece. According to the electromagnetic interference device, the pressing plate, the movable ring, the fixed ring, the screw rod, the nut and other structures are arranged, the pressing plate can move towards the side close to the power-on cable by moving the movable ring after the power-on cable is connected with the electromagnetic interference device, the power-on cable is clamped, and meanwhile the movable ring and the fixed ring are fixed through the screw rod and the nut; the fixing effect on the power-on cable is achieved, and the situation that the power-on cable is loosened when being pulled to affect normal use of the electromagnetic interference equipment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic interference equipment, specifically, relate to a kind of electromagnetic interference equipment for isolating signal. BACKGROUND

[0002] Electromagnetic interference is electronic noise that interferes with cable signals and reduces signal integrity. EMI is usually generated by electromagnetic radiation sources such as motors and machines. Electromagnetic interference is an electromagnetic phenomenon that has been discovered for a long time, and electromagnetic interference equipment can shield high-frequency radiation signals through electromagnetic shielding materials, reducing electromagnetic interference and radiation. These devices are usually made of conductive and insulating materials, which can effectively reduce electromagnetic interference on electronic devices, protect the normal operation of the equipment and reduce the impact on human health. Electromagnetic interference equipment needs to be powered when in use, but the existing electromagnetic interference equipment uses a plug-in connection between the power cable and the electromagnetic interference equipment. If the power cable is pulled, the plug may become loose, causing poor contact and affecting the normal operation of the electromagnetic interference equipment. SUMMARY

[0003] (I) Technical problem solved

[0004] To overcome the shortcomings of the prior art, the utility model provides an electromagnetic interference equipment for isolating signal, which has the advantages of firm connection between power cable and electromagnetic interference equipment, and solves the problem of loose plug causing poor contact in existing devices.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose of improving the stability of the power cable connector, the utility model provides the following technical scheme: an electromagnetic interference equipment for isolating signal, comprising an electromagnetic interference equipment and a power cable arranged on the electromagnetic interference equipment, a fixing member is arranged on the electromagnetic interference equipment, two pressing plates are arranged inside the fixing member, a plurality of fixing rods are arranged on one side of the pressing plate, a fixing block is arranged at the other end of the fixing rod, a supporting spring is fixedly arranged between the fixing rod and the pressing plate, a movable ring is arranged outside the fixing member, a fixed ring is fixedly arranged outside the fixing member, and a plurality of screw rods are arranged between the movable ring and the fixed ring.

[0007] In the embodiment of the utility model, a plurality of fixing holes are formed in the fixing member, and the number of fixing holes is equal to the number of fixing rods.

[0008] In the embodiment of the utility model, the pressing plate is designed in an arc shape, the fixing block is designed in a spherical shape, and the diameter of the fixing block is greater than the diameter of the fixing hole.

[0009] In the embodiment of the utility model, the recess is formed on one side of the movable ring, and the plurality of fixing blocks are located in the recess.

[0010] In the embodiment of the utility model, the top block is designed as a circular ring, and the movable ring is in sliding connection with the fixing member.

[0011] In the embodiment of the utility model, the fixing member is externally sleeved with a reset spring, and the two ends of the reset spring are respectively abutted between the movable ring and the fixed ring.

[0012] In the embodiment of the utility model, the movable ring and the fixed ring are both provided with a plurality of connecting ears with the same number, one end of the screw rod is threadedly connected with a nut, and the other end of the screw rod is fixedly provided with a stop block.

[0013] In the embodiment of the utility model, the number of the screw rods is at least two, and the number of the connecting ears is twice the number of the screw rods.

[0014] In the embodiment of the utility model, the screw rod is arranged between two connecting ears located on the same horizontal line, the stop block is fixedly connected with one side of the connecting ear, and the nut is closely attached to the other side of the connecting ear.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] The utility model is provided with the structure of the pressing plate, the movable ring, the fixed ring, the screw rod and the nut, etc., after the live cable is connected with the electromagnetic interference equipment, the movable ring is moved to make the pressing plate move to the side close to the live cable, the live cable is clamped, the movable ring and the fixed ring are fixed by the screw rod and the nut, the fixing effect of the live cable is realized, the live cable is prevented from loosening when being pulled to affect the normal use of the electromagnetic interference equipment.

[0017] The structure, proportion, size, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the utility model, so they do not have technical substantive significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose of the utility model, should still fall within the scope of the technical content disclosed in the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be considered as limiting the scope. For those skilled in the art, other related drawings can be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 The overall structural schematic diagram provided by the embodiments of the present application is shown in the figure.

[0020] Figure 2 The structural schematic diagram of the fixing member provided by the embodiments of the present application is shown in the figure. Figure 1 The enlarged structural schematic diagram of A in the figure provided by the embodiments of the present application is shown in the figure.

[0021] Figure 3 The structural schematic diagram of the fixing member provided by the embodiments of the present application is shown in the figure.

[0022] Figure 4 The structural schematic diagram of the movable ring provided by the embodiments of the present application is shown in the figure.

[0023] Figure 5 The structural schematic diagram of the movable ring and the fixed ring provided by the embodiments of the present application is shown in the figure.

[0024] In the figure: 10, electromagnetic interference equipment; 20, power cable; 30, fixing member; 3001, fixing hole; 3002, fixing rod; 3003, fixing block; 3004, supporting spring; 3005, pressing plate; 40, movable ring; 4001, groove; 4002, top block; 4003, fixed ring; 4004, reset spring; 4005, connecting lug; 4006, screw rod; 4007, nut; 4008, stop block. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] The following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the application as claimed, but merely represents selected embodiments of the application. Based on the embodiments of the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the application.

[0027] Referring to Figures 1-5 The utility model provides a technical scheme: an electromagnetic interference equipment for isolating signal, it includes electromagnetic interference equipment 10 and set up on electromagnetic interference equipment 10 power cable 20, be provided with fixed part 30 on electromagnetic interference equipment 10, the inside of fixed part 30 is provided with two pressing plate 3005, the one side of pressing plate 3005 is provided with a plurality of fixed rod 3002, the other end of fixed rod 3002 is provided with fixed block 3003, fixed rod 3002 and pressing plate 3005 are fixedly provided with support spring 3004 between, when fixed block 3003 is extruded and will push pressing plate 3005 to move and hold down and fix power cable 20 to the side close to power cable 20, power cable 20 is not easy to loosen with electromagnetic interference equipment 10 at this time, simultaneously, in this process, support spring 3004 is compressed and has elastic potential energy, therefore when fixed block 3003 no longer is extruded, fixed block 3003 moves to the side away from power cable 20 under the action of support spring 3004 at this time, and in the moving process, drive pressing plate 3005 to release the clamping effect of power cable 20, facilitate power cable 20 to be pulled out from electromagnetic interference equipment 10, the outside of fixed part 30 is provided with movable ring 40, the outside of fixed part 30 is fixedly provided with fixed ring 4003, a plurality of screw rods 4006 are arranged between movable ring 40 and fixed ring 4003.

[0028] In the embodiment, a plurality of fixing holes 3001 are formed in the fixed part 30, the number of the fixing holes 3001 is equal to the number of the fixed rods 3002, and the fixed rods 3002 are in sliding connection with the fixing holes 3001.

[0029] The pressing plate 3005 is designed in an arc shape, which is convenient to be attached to the surface of the power cable 20 and improves the fixing effect. The fixed block 3003 is designed in a spherical shape, and the diameter of the fixed block 3003 is greater than the diameter of the fixing hole 3001, so that the fixed block 3003 is prevented from falling into the inside of the fixed part 30 and plays a limiting role on the fixed block 3003.

[0030] In the embodiment, one side of the inner part of the movable ring 40 is provided with a groove 4001, and the plurality of fixing blocks 3003 are located in the groove 4001. When the power cable 20 is not connected with the electromagnetic interference equipment 10, the fixing blocks 3003 are moved into the groove 4001 due to the elastic potential energy of the supporting spring 3004. The other side of the inner part of the movable ring 40 is provided with a top block 4002. After the power cable 20 is connected with the electromagnetic interference equipment 10, the movable ring 40 is moved and the fixing blocks 3003 are pressed by the top block 4002.

[0031] It should be noted that the top block 4002 is designed as a circular ring, and the movable ring 40 is slidingly connected with the fixing member 30.

[0032] In the embodiment, the outer part of the fixing member 30 is sleeved with a reset spring 4004, and the two ends of the reset spring 4004 are respectively abutted between the movable ring 40 and the fixing ring 4003. The elastic potential energy of the reset spring 4004 can automatically reset the movable ring 40, thereby improving the convenience of operation.

[0033] In the embodiment, the movable ring 40 and the fixing ring 4003 are both provided with a plurality of connecting ears 4005 which are the same in number. One end of a screw rod 4006 is threadedly connected with a nut 4007, and the other end of the screw rod 4006 is fixedly provided with a stop block 4008. The screw rod 4006 can be prevented from rotating, and the nut 4007 and the connecting ear 4005 can be fixed by rotating.

[0034] It can be understood that the number of the screw rod 4006 is at least two, and the number of the connecting ear 4005 is twice the number of the screw rod 4006.

[0035] It should be emphasized that the screw rod 4006 is arranged between the two connecting ears 4005 which are located on the same horizontal line. The stop block 4008 is fixedly connected with one side of the connecting ear 4005, and the nut 4007 is closely attached to the other side of the connecting ear 4005. After the power cable 20 is connected with the electromagnetic interference equipment 10, the movable ring 40 is moved to the side close to the fixing ring 4003 until the collision sound between the fixing block 3003 and the fixing hole 3001 is heard, and then the nut 4007 and the connecting ear 4005 are closely attached by rotating, so that the fixing effect of the power cable 20 is completed. In this process, the reset spring 4004 is compressed and has elastic potential energy. Therefore, when the nut 4007 is reversely rotated, the movable ring 40 is automatically moved to the side away from the fixing ring 4003 under the action of the reset spring 4004, so that the fixing effect of the power cable 20 is released.

[0036] Specifically, the working principle of the electromagnetic interference equipment for isolating signals is as follows:

[0037] In use, the energized cable 20 is connected with the electromagnetic interference device 10, then the movable ring 40 is pushed to move to the side close to the fixed ring 4003 until the collision sound between the fixed block 3003 and the fixed hole 3001 is heard, then stop, in the process, the fixed block 3003 is extruded and pushes the pressing plate 3005 to move to the side close to the energized cable 20 and clamps and fixes the energized cable 20, at this time, the energized cable 20 is not easy to loosen with the electromagnetic interference device 10, then the nut 4007 is rotated and tightly adheres to the connecting lug 4005, the fixing effect of the energized cable 20 is completed, finally the energized cable 20 is connected with the power supply and can be used.

[0038] It should be noted that the specific model and specification of the electromagnetic interference device 10, the energized cable 20, the fixed block 3003, the supporting spring 3004, the pressing plate 3005, the movable ring 40, the reset spring 4004, the screw rod 4006 and the nut 4007 need to be selected and determined according to the actual specification of the device, and the specific selection and calculation method adopts the existing technology in the art, so it will not be described in detail.

[0039] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0040] In addition, the terms "first", "second", "third", "fourth" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, therefore, the features with "first", "second", "third", "fourth" can be explicitly or implicitly included at least one of the features.

[0041] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "threading" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the terms in the present application according to the specific situation.

[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. An electromagnetic interference device for isolating a signal, comprising an electromagnetic interference device (10) and a live cable (20) arranged on the electromagnetic interference device (10), characterized in that: The electromagnetic interference device (10) is provided with a fixing piece (30), the inside of the fixing piece (30) is provided with two pressing plates (3005), one side of the pressing plate (3005) is provided with a plurality of fixed rods (3002), the other end of the fixed rod (3002) is provided with a fixed block (3003), the fixed rod (3002) and the pressing plate (3005) are fixedly provided with supporting springs (3004) between them, the outside of the fixing piece (30) is provided with a movable ring (40), the outside of the fixing piece (30) is fixedly provided with a fixed ring (4003), and a plurality of screw rods (4006) are arranged between the movable ring (40) and the fixed ring (4003).

2. An electromagnetic interference device for isolating signals according to claim 1, wherein, A plurality of fixing holes (3001) are formed in the fixing piece (30), and the number of the fixing holes (3001) is equal to the number of the fixed rods (3002).

3. A device for isolating electromagnetic interference of a signal according to claim 2, wherein, The pressing plate (3005) is arc-shaped, and the fixed block (3003) is spherical, and the diameter of the fixed block (3003) is greater than the diameter of the fixing hole (3001).

4. The device for isolating electromagnetic interference of a signal according to claim 1, wherein, A groove (4001) is formed in one side of the inside of the movable ring (40), and a plurality of fixed blocks (3003) are located in the groove (4001).

5. A device for isolating electromagnetic interference of a signal according to claim 4, wherein The top block (4002) is designed as a circular ring, and the movable ring (40) and the fixing piece (30) are slidably connected.

6. The device for isolating electromagnetic interference of a signal according to claim 1, wherein, The outside of the fixing piece (30) is provided with a reset spring (4004), and the two ends of the reset spring (4004) abut between the movable ring (40) and the fixed ring (4003).

7. The device for isolating electromagnetic interference of a signal according to claim 1, wherein The movable ring (40) and the fixed ring (4003) are provided with a plurality of connecting ears (4005) with the same number, one end of the screw rod (4006) is threadedly connected with a nut (4007), and the other end of the screw rod (4006) is fixedly provided with a stop block (4008).

8. A device for isolating electromagnetic interference of a signal according to claim 7, wherein The number of the screw rod (4006) is at least two, and the number of the connecting ear (4005) is twice the number of the screw rod (4006).

9. A device for isolating electromagnetic interference of a signal according to claim 8, wherein, The screw rod (4006) is arranged between two connecting ears (4005) located on the same horizontal line, the stop block (4008) is fixedly connected with one side of the connecting ear (4005), and the nut (4007) is tightly attached to the other side of the connecting ear (4005).

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