Novel connection and disconnection card structure
By designing fixed components and protective components in the disconnected card, the rapid connection and separation of metal plates are achieved, which solves the cumbersome problems of existing disconnected cards, improves maintenance efficiency and extends the equipment life.
Patent Information
- Application Number
- CN202421804198.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The existing disconnection card needs to be disassembled using tools during maintenance. The process is cumbersome and cannot be repaired quickly.
A new type of disconnection card structure is designed, and the fast connection and separation of the metal sheet is achieved by setting up fixed components and protective components, including latch, connecting plate, metal sheet and insulating protective sleeve, making it easy to inspect and repair.
It realizes rapid maintenance of disconnected cards, reduces the cumbersomeness of the maintenance process, and extends the service life of the equipment.
Smart Images

Figure CN222839048U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of disconnect cards, in particular to a novel disconnect card structure. Background Art
[0002] The disconnect card for lightning protection grounding is also called a disconnect card. The function of the disconnect card is to facilitate the use of lightning protection detection. Usually, the detection is to measure the resistance of the lightning protection grounding. The disconnect card can disconnect the grounding device and the lightning arrester. When measuring, the unreal resistance value will not be measured due to the electrical connection between the lightning arrester and the grounding body at other locations.
[0003] Chinese patent document CN215579119U discloses a disconnect card for lightning protection and grounding, including a copper lead-up wire, a first metal sheet is fixedly provided at the bottom end of the copper lead-up wire, a second metal sheet is abutted against one side of the bottom of the first metal sheet, the second metal sheet is threadedly connected to the first metal sheet by a fixing bolt, a copper down conductor is fixedly provided at the bottom end of the second metal sheet, and a first insulating protection tube is slidably sleeved on the outer wall of the bottom end of the copper lead-up wire. The present application can protect the disconnect card through two insulating protection tubes and a pipe joint, reduce the impact of the external environment on the disconnect card, and extend the service life of the disconnect card. The two insulating protection tubes and the pipe joint are made of PVC, which is low in cost and can be used in large quantities. During maintenance, the corresponding insulating protection tube can be removed by rotating and pulling it out, and there is no need to use a key to open the lock on the disconnect card box, which is convenient for maintenance. The whole application is convenient and practical, and suitable for mass production. However, although the disconnect card is designed with an insulating protective cover to protect the disconnect card and reduce the impact of the outside world on the disconnect card, the first and second metal sheets are connected together by fixing bolts, and tools need to be used to disassemble them during maintenance. The process is too cumbersome and cannot be quickly repaired. Utility Model Content
[0004] The purpose of the utility model is to solve the problem that although the existing disconnect card is designed with an insulating protective cover to protect the disconnect card and reduce the impact of the outside world on the disconnect card, the first and second metal sheets are connected together by fixing bolts. Tools need to be used to disassemble them during maintenance, and the process is too cumbersome to quickly perform maintenance on them. A new type of disconnect card structure is proposed.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a novel disconnect card structure, including a disconnect card assembly, a fixing assembly installed on the disconnect card assembly, and a protective assembly arranged on the outer surface of the disconnect card assembly, the disconnect card assembly including an upper lead, a metal sheet A is fixedly connected to the lower end of the upper lead, a connecting plate is arranged on one side of the metal sheet A, a metal sheet B is arranged on one side of the connecting plate, a lower lead is fixedly connected to the bottom surface of the metal sheet B, the fixing assembly includes a latch, two groups of latches are arranged, and they respectively penetrate the metal sheet A and the metal sheet B and connect them together through the connecting plate, one end of the latch is fixedly connected to a locking column, the outer surface of the latch is slidably connected to a mounting block, a cavity is provided inside the mounting block, a spring is provided inside the cavity, the spring sleeve is arranged on the outside of the latch, one end of the latch is movably connected to the fixing block, one side of the fixing block is movably connected to the connecting plate, and a clamping groove is provided on the fixing block.
[0006] Preferably, the connecting plate is provided with a plurality of groups of mounting holes;
[0007] Used to meet the connection needs of metal sheets A and B with different spacings.
[0008] Preferably, one end of the latch is fixedly connected to a knob, and one side of the knob is fixedly connected to a handle;
[0009] It is used to facilitate the rotation of the latch pin so that it can be engaged with the fixed block or cancel the engagement with the fixed block.
[0010] Preferably, a pressure block is fixedly connected to the outer surface of the latch, and one side of the pressure block abuts against the spring;
[0011] It is used to provide a reaction force after the latch and the fixing block are engaged, making them more secure.
[0012] Preferably, a rubber layer is fixedly connected to one side of the fixing block;
[0013] It is used to increase the friction between the fixing block and the connecting plate while isolating the current.
[0014] Preferably, the protection assembly includes a first insulating protective sleeve, the inner surface of the lower end of the first insulating protective sleeve is threadedly connected with a second insulating protective sleeve, the first insulating protective sleeve is sleeved on the outer side of the upper lead, and the second insulating protective sleeve is sleeved on the outer side of the lower lead;
[0015] Used to block the influence of the external environment on the disconnect card device.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] 1. The utility model proposes a novel disconnect card structure, which provides a fixing assembly, wherein the latches penetrate the metal sheet A and the metal sheet B respectively and connect them together through a connecting plate. When maintenance is required, the latches can be quickly separated from the fixing block by rotating the latches, so that the disconnect card can be easily inspected.
[0018] 2. The utility model proposes a novel disconnect card structure, which, by setting a protection component, arranges the first insulating protection sleeve and the second insulating protection sleeve on the outside of the disconnect card component, and the first insulating protection sleeve and the second insulating protection sleeve are connected by threads, which can not only block the influence of the external environment on the disconnect card component, but also quickly separate it. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of a novel disconnect card structure proposed by the utility model;
[0020] Figure 2 This is a schematic diagram of the overall structure of a new type of disconnect card structure proposed by the utility model with the protection component removed;
[0021] Figure 3 This is a schematic diagram of the overall structure of a fixing assembly of a novel disconnect card structure proposed by the utility model;
[0022] Figure 4 A cross-sectional schematic diagram of a fixing assembly of a novel disconnect card structure proposed by the utility model;
[0023] Figure 5 This is a schematic diagram of the overall structure of a protection component of a novel disconnect card structure proposed by the utility model;
[0024] Figure 6 This is a schematic diagram of the overall structure of a latch of a novel disconnect card structure proposed by the utility model;
[0025] Legend:
[0026] 1. Disconnect card assembly; 11. Upper lead; 12. Metal sheet A; 13. Connecting plate; 131. Mounting hole; 14. Metal sheet B; 15. Lower lead; 2. Fixing assembly; 21. Latch; 211. Knob; 212. Handle; 213. Pressing block; 22. Locking column; 23. Mounting block; 24. Cavity; 25. Spring; 26. Fixing block; 261. Rubber layer; 27. Snap-in groove; 3. Protective assembly; 31. First insulating protective cover; 32; Second insulating protective cover. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] Reference Figure 1-6The utility model provides an embodiment: a novel disconnect card structure, including a disconnect card assembly 1, a fixing assembly 2 is installed on the disconnect card assembly 1, and a protection assembly 3 is arranged on the outer surface of the disconnect card assembly 1, the disconnect card assembly 1 includes an upper lead 11, a metal sheet A12 is fixedly connected to the lower end of the upper lead 11, and the contact area of the upper lead 11 is increased, a connecting plate 13 is arranged on one side of the metal sheet A12, and the metal sheet A12 is connected to the metal sheet B14 to form a passage, a metal sheet B14 is arranged on one side of the connecting plate 13, and the contact area of the lower lead 15 is increased, and the lower bottom surface of the metal sheet B14 is fixedly connected to the lower lead 15, and the fixing assembly 2 includes a latch 21, There are two groups of latches 21, which respectively penetrate the metal sheet A12 and the metal sheet B14 and connect them together through the connecting plate 13. One end of the latch 21 is fixedly connected with a locking column 22, which cooperates with the clamping groove 27. The outer surface of the latch 21 is slidably connected with a mounting block 23, and a cavity 24 is provided inside the mounting block 23. A spring 25 is provided inside the cavity 24 to provide a reverse force when the latch 21 and the clamping groove 27 are engaged. The spring 25 is sleeved on the outside of the latch 21. One end of the latch 21 is movably connected with a fixing block 26, which cooperates with the latch 21. One side of the fixing block 26 is movably connected to the connecting plate 13, and a clamping groove 27 is provided on the fixing block 26.
[0030] A plurality of mounting holes 131 are provided on the connecting plate 13. The corresponding mounting holes 131 are selected according to the different spacings between the metal sheet A12 and the metal sheet B14 so as to connect them together. A knob 211 is fixedly connected to one end of the latch 21, and a handle 212 is fixedly connected to one side of the knob 211 to facilitate the rotation of the latch 21. A pressure block 213 is fixedly connected to the outer surface of the latch 21, and one side of the pressure block 213 abuts against the spring 25 to provide a reverse force when the latch 21 and the fixed block 26 are engaged. A rubber layer 261 is fixedly connected to one side of the fixed block 26 to increase the friction between the fixed block 26 and the connecting plate 13. The protection component 3 includes a first insulating protective sleeve 31, and a second insulating protective sleeve 32 is threadedly connected to the inner surface of the lower end of the first insulating protective sleeve 31. The first insulating protective sleeve 31 is sleeved on the outer side of the upper lead 11, and the second insulating protective sleeve 32 is sleeved on the outer side of the lower lead 15 to block the influence of the external environment on the disconnect card assembly 1.
[0031] Working principle: First, put the first insulating protective cover 31 on the upper lead 11, and put the second insulating protective cover 32 on the lower lead 15, and then fit the connecting plate 13 on the same side of the metal sheet A12 and the metal sheet B14, select the appropriate mounting hole 131 according to the site environment, and connect them together through the latch 21 and the fixing block 26. When inspection is required, rotate the first insulating protective cover 31 and the second insulating protective cover 32 to separate them, and rotate the latch to remove the entire fixing assembly 2, so as to facilitate the inspection of the entire disconnect card assembly 1.
[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A novel disconnect card structure, comprising a disconnect card assembly (1), a fixing assembly (2) mounted on the disconnect card assembly (1), and a protective assembly (3) disposed on the outer surface of the disconnect card assembly (1), characterized in that: The disconnect card assembly (1) comprises an upper lead (11), the lower end of the upper lead (11) is fixedly connected to a metal sheet A (12), one side of the metal sheet A (12) is provided with a connecting plate (13), one side of the connecting plate (13) is provided with a metal sheet B (14), the lower bottom surface of the metal sheet B (14) is fixedly connected to a lower lead (15), and the fixing assembly (2) comprises a latch (21), the latch (21) is provided with two groups, and respectively penetrates the metal sheet A (12) and the metal sheet B (14) through the connecting plate (13). ) are connected together, one end of the latch (21) is fixedly connected to a locking column (22), the outer surface of the latch (21) is slidably connected to a mounting block (23), a cavity (24) is provided inside the mounting block (23), a spring (25) is provided inside the cavity (24), the spring (25) is sleeved on the outer side of the latch (21), one end of the latch (21) is movably connected to a fixing block (26), one side of the fixing block (26) is movably connected to the connecting plate (13), and a clamping groove (27) is provided on the fixing block (26).
2. A novel disconnect card structure according to claim 1, characterized in that: The connecting plate (13) is provided with a plurality of groups of mounting holes (131).
3. A novel disconnect card structure according to claim 1, characterized in that: One end of the latch (21) is fixedly connected to a knob (211), and one side of the knob (211) is fixedly connected to a handle (212).
4. A novel disconnect card structure according to claim 1, characterized in that: A pressure block (213) is fixedly connected to the outer surface of the latch (21), and one side of the pressure block (213) abuts against the spring (25).
5. A novel disconnect card structure according to claim 1, characterized in that: A rubber layer (261) is fixedly connected to one side of the fixing block (26).
6. A novel disconnect card structure according to claim 1, characterized in that: The protection assembly (3) comprises a first insulating protective sleeve (31), the inner surface of the lower end of the first insulating protective sleeve (31) being threadedly connected to a second insulating protective sleeve (32), the first insulating protective sleeve (31) being sleeved on the outside of the upper lead (11), and the second insulating protective sleeve (32) being sleeved on the outside of the lower lead (15).
Citation Information
Patent Citations
Disconnection card for lightning protection and grounding
CN215579119U