Rapid crimping terminal structure and electric appliance system

Abstract

The utility model provides a rapid crimping terminal structure and an electric appliance system. The rapid crimping terminal structure comprises an insulating cover device which is installed on an electric appliance insulator; the insulating cover device comprises a terminal insulating cover end cover, a terminal insulating cover and a wiring terminal; one end of the wiring terminal is embedded into the electric appliance insulator, and the terminal insulating cover is sleeved on the wiring terminal; one end of the terminal insulation cover away from the electric appliance insulator is provided with a hole channel allowing a cable to pass through. The hole channel is communicated with the wiring terminal. The insulating cover end cover is provided with a through hole allowing a cable to pass through, and the insulating cover end cover sleeves one end of the terminal insulating cover far away from the electric appliance insulator and is in threaded sealing connection with the terminal insulating cover. According to the utility model, the connection process of the cable joint is simplified by adopting a mode of quickly inserting the cable and pressing through the torque bolt, the operation of pre-crimping the transition terminal of the traditional cable joint is avoided, a constructor can easily adjust the length of the cable to adapt to different field requirements, the field construction efficiency is greatly improved, and the construction cost is reduced. And all-insulation protection can be realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical structure design technical field, specifically, relate to a kind of quick crimp terminal structure and electrical system. BACKGROUND

[0002] In the field of power system, electronic equipment and industrial control, the connection of cable and the installation of terminal are very critical operation links. The traditional wiring terminal usually needs to go through the process of pre-compression or welding, especially in the installation process of cable joint, often needs to precast transition terminal. This operation mode not only increases the construction steps, but also brings the problem that the length of cable is difficult to adjust, which leads to the complex and time-consuming wiring process in construction site. Especially in the occasion where the length of cable needs to be frequently adjusted, the precast joint cannot adapt to the actual demand on site, which increases the construction difficulty and cost of project.

[0003] At the same time, some protective wiring terminals in the prior art expose some safety hazards in the installation process, especially the wiring terminals used in high-voltage side often have the problem of metal exposure. The metal part exposed in the air will be affected by external environmental factors, such as rain, snow, wind or foreign matter lapping, etc. This not only easily leads to problems such as short circuit grounding and corrosion, but also may cause operation failure of power equipment, and even threatens the safety of power maintenance personnel.

[0004] In coastal areas or under adverse weather conditions, the live parts of traditional wiring terminals exposed to the atmosphere are more likely to be corroded or damaged due to the lack of effective insulation protection, thereby greatly reducing the operation reliability and service life of the equipment. The protection design in the prior art is often not perfect enough to prevent damage to the equipment by external factors, which limits the application range of the wiring terminal.

[0005] Chinese patent document with publication number CN209045793U discloses a high-voltage connector for an energy storage box, which comprises a shell and a wiring component. The shell has a containing space and a bottom end opening communicating with the containing space. A through hole is formed in the side plate of the shell to allow an external cable to pass through. The shell is detachably connected to the outer side of the box wall of the energy storage box. The wiring component includes a base and a wiring terminal arranged on the base. The wiring component is installed on the inner side of the box wall through the base. The wiring terminal includes a first end and a second end. The first end is used to connect with the internal cable of the energy storage box, and the second end can extend into the containing space to connect with the external cable.

[0006] The prior art cannot solve the technical problem of sealing the internal space, still faces the problem that the internal device is exposed to air, and has many deficiencies in environmental protection, and there is an urgent need for a more convenient, safe and adaptable fast crimping terminal structure that can adapt to various complex environments. Utility model content

[0007] In view of the defects in the prior art, the purpose of the present application is to provide a fast crimping terminal structure and an electric appliance system.

[0008] According to the fast crimping terminal structure provided by the present application, the fast crimping terminal structure comprises an insulating cover device and an electric appliance insulator, the insulating cover device is installed on the electric appliance insulator; the insulating cover device comprises a terminal insulating cover end cap, a terminal insulating cover and a wiring terminal; one end of the wiring terminal is embedded in the electric appliance insulator, and the terminal insulating cover is sleeved on the wiring terminal; one end of the terminal insulating cover away from the electric appliance insulator is provided with a hole allowing the cable to pass through, and the hole is in communication with the wiring terminal; the insulating cover end cap is provided with a through hole allowing the cable to pass through, and the insulating cover end cap is sleeved on one end of the terminal insulating cover away from the electric appliance insulator and is threadedly and sealingly connected.

[0009] Preferably, one or more grooves are arranged on one end of the wiring terminal away from the electric appliance insulator.

[0010] A protrusion corresponding to the groove of the wiring terminal is arranged on the inner wall of the terminal insulating cover, and the groove and the protrusion are inserted and matched.

[0011] Preferably, one or more threaded holes are arranged on the outer wall of the wiring terminal, and the center lines of the plurality of threaded holes are respectively or collectively coplanar with the axis of the wiring terminal.

[0012] Preferably, fasteners are matched in the threaded holes on the outer wall of the wiring terminal, and the fasteners are used to connect the wiring terminal and the cable.

[0013] Preferably, mounting grooves are arranged on the terminal insulating cover, and the fasteners are located in the mounting grooves.

[0014] Preferably, the insulating cover sealing cap is arranged at the opening of the mounting groove of the terminal insulating cover, and the insulating cover sealing cap is clamped and sealed with the mounting groove of the terminal insulating cover.

[0015] Preferably, the hole at one end of the terminal insulating cover away from the electric appliance insulator is in the shape of a truncated cone, and the size of the hole at one end of the terminal insulating cover away from the electric appliance insulator is greater than the size of the hole at one end of the terminal insulating cover close to the electric appliance insulator.

[0016] The present application also provides an electric appliance system comprising the fast crimping terminal structure.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1. The utility model discloses a quick insertion cable and pressure mode through torque bolt, simplify the connection process of cable joint, avoid the operation of traditional cable joint pre -crimping transition terminal, construction personnel can easily adjust cable length, adapt to different on -the -spot demand, greatly improve the on -the -spot construction efficiency.

[0019] 2. The utility model discloses a full insulation protection design, ensure realizing full insulation protection when closing operation, avoid the accident risk of the operation process because of misoperation, improve the security of system.

[0020] 3. The utility model discloses a high -voltage side full protection, no metal exposed design, effectively solved the foreign matter lap joint, short circuit ground etc. of the problem of ice and snow, rain, gale, birds and beasts etc. factor, adapt to the harsh environment. BRIEF DESCRIPTION OF DRAWINGS

[0021] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0022] Figure 1 For the utility model discloses mainly embodying the whole structure schematic diagram of quick crimping terminal;

[0023] Figure 2 For the utility model discloses mainly embodying the structure schematic diagram of electric appliance system.

[0024] 11, insulated cable;12, sealing adhesive layer;21, terminal insulation cover end cap;22, terminal insulation cover;23, insulation cover sealing cover;31, terminal;32 torque bolt;41, electric appliance insulation. DETAILED DESCRIPTION

[0025] The present application will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present application, but do not limit the present application in any form. It should be noted that for those skilled in the art, without departing from the concept of the present application, a number of changes and improvements can be made. These all belong to the protection scope of the present application.

[0026] According to the quick compression terminal structure provided in the present application, the insulation cover device is installed on the electrical insulator 41. The insulation cover device comprises a terminal insulation cover end cap 21, a terminal insulation cover 22 and a wiring terminal 31. One end of the wiring terminal 31 is embedded in the electrical insulator 41, and the terminal insulation cover 22 is sleeved on the wiring terminal 31. The terminal insulation cover 22 is provided with a hole allowing the cable to pass through at the end away from the electrical insulator 41, and the hole is in communication with the wiring terminal 31. The insulation cover end cap 21 is provided with a through hole allowing the cable to pass through, and the insulation cover end cap 21 is sleeved on the end of the terminal insulation cover 22 away from the electrical insulator 41 and is threadedly and sealingly connected.

[0027] Specifically, the insulated cable 11 is installed on the electrical insulator 41 through the insulation cover device. The insulation cover device not only ensures the connection between the insulated cable 11 and the electrical insulator 41, but also prevents the connection between the insulated cable 11 and the electrical insulator 41 from being exposed, thereby ensuring the insulation property of the quick compression terminal structure, preventing electric leakage and improving the safety of the quick compression terminal structure.

[0028] The insulation cover device comprises a terminal insulation cover end cap 21, a terminal insulation cover 22, an insulation cover sealing cap 23, a wiring terminal 31 and a fastener. In a preferred embodiment, the fastener can be a torque bolt.

[0029] The wiring terminal 31 is in the shape of a hollow cylinder. One end of the wiring terminal 31 is connected to the electrical insulator 41, and the hollow structure of the wiring terminal 31 is in communication with the inside of the electrical insulator 41. The other end of the wiring terminal 31 is provided with one or more grooves. The terminal insulation cover 22 is coaxially sleeved on the wiring terminal 31. The inner wall of the terminal insulation cover 22 is provided with a protrusion corresponding to the groove. The groove and the protrusion are inserted and fitted. Specifically, one end of the terminal insulation cover 22 allows the wiring terminal 31 to pass through, and the other end of the terminal insulation cover 22 does not allow the wiring terminal 31 to pass through. The groove and the protrusion structure are located at the end of the terminal insulation cover 22 that does not allow the wiring terminal 31 to pass through. The end of the terminal insulation cover 22 that allows the wiring terminal 31 to pass through is sleeved on the electrical insulator 41 and sealingly connected thereto.

[0030] The insulating cable 11 includes an insulating sheath and a conductive core, the insulating sheath is wrapped outside the conductive core, a preset length of the insulating cable 11 at one end extends into the insulating cover device, and the insulating sheath of the insulating cable 11 extending into the insulating cover device is stripped. The one end of the insulating cable 11 extending into the insulating cover device first passes through the terminal insulating cover end cap 21 and then enters the terminal terminal 31 in the terminal insulating cover 22. Due to installation errors, the length of the insulating sheath stripped during installation is usually greater than the preset length of the insulating cable 11 extending into the insulating cover device, and the sealing layer 12 is wound at the connection between the insulating cable 11 and the insulating cover end cap 21 to compensate for the length of the excessive stripping of the insulating sheath and prevent the connection between the insulating cable 11 and the insulating cover end cap 21 from being exposed to the conductive core.

[0031] Further, the insulating cover end cap 21 is coaxially sleeved on the end of the terminal insulating cover 22 away from the electrical insulator 41 and is threadedly connected. The sealing layer 12 enters the terminal insulating cover 22, and since the sealing layer 12 can be deformed to a certain extent, the sealing layer 12 is deformed under the action of the force of the insulating cover end cap 21 during the connection of the insulating cover end cap 21 and the terminal insulating cover 22, thereby filling the gap between the insulating cover end cap 21 and the terminal insulating cover 22 and further improving the sealing effect of the connection between the insulating cover end cap 21 and the terminal insulating cover 22.

[0032] In a feasible embodiment, the opening of the end of the terminal insulating cover 22 away from the electrical insulator 41 is in the shape of a truncated cone, and the size of the hole away from the electrical insulator 41 is greater than the size of the hole close to the electrical insulator 41. The sealing layer 12 is partially filled in the opening of the terminal insulating cover 22 in the shape of a truncated cone, that is, the sealing layer 12 fills the excess space of the opening in the shape of a truncated cone. The sealing layer 12 extends from the insulating sheath of the insulating cable 11 into the terminal insulating cover 22, and the diameter of the sealing layer 12 located in the terminal insulating cover 22 is greater than the diameter of the sealing layer 12 located outside the terminal insulating cover 22.

[0033] The terminal insulating cover 22 is provided with a mounting groove, and the insulating cover sealing cover 23 is adapted to the mounting groove and can seal the mounting groove. In a preferred embodiment, the insulating cover sealing cover 23 is clamped and sealed with the mounting groove of the terminal insulating cover 22. The outer wall of the terminal 31 is provided with one or more threaded holes, and the center lines of the plurality of threaded holes are respectively or collectively coplanar with the axis of the terminal 31. The threaded holes on the outer wall of the terminal 31 are matched with fasteners, and the fasteners are used to connect the terminal 31 with the cable. The fasteners can be torque bolts 32, and the threaded ends of any torque bolt 32 extend into the terminal 31 and abut against the conductive core of the insulating cable 11, so that the fastener and the conductive core of the insulating cable 11 cannot rotate relative to each other. It should be noted that one or more torque bolts 32 are located in the mounting groove. The worker can tighten or loosen the bolts through the mounting groove to achieve installation.

[0034] The application also provides an electrical device, characterized in that the device comprises the quick compression terminal.

[0035] The following is a specific embodiment of the application.

[0036] Embodiment 1

[0037] According to the quick compression terminal structure provided by the application, the structure comprises an insulated cable 11, a sealing glue layer 12, a terminal insulation cover end cap 21, a terminal insulation cover 22, a terminal insulation cover sealing cap, a terminal 31, and a torque bolt 32. The terminal 31 and the torque bolt 32 can be pre-embedded in an electrical insulation body 41 or can be post-installed in the electrical insulation body 41.

[0038] The terminal 31 is provided with a reserved hole for the insulated cable 11, and the hole is provided with an anti-loosening thread. The terminal 31 is provided with the torque bolt 32. The exposed part of the terminal 31 is provided with the terminal insulation cover 22. The terminal insulation cover 22 is provided with an opening, which can allow the torque bolt 32 to be disassembled. The opening can be protected by the insulation cover sealing cap 23. The end of the terminal insulation cover 22 is provided with a thread, which can be used to push the terminal insulation cover end cap 21 to lock and seal the stripped end of the insulated cable 11.

[0039] Working principle:

[0040] First, the insulation skin of the cable 11 is stripped to a specified length (slightly longer than the hole depth of the terminal). Second, the torque bolt 32 is unscrewed so that the exposed part of the cable 11 can be inserted into the hole of the terminal 31.

[0041] Then, three torque bolts 32 are sequentially compressed from the end.

[0042] A suitable amount of sealing glue layer 12 is wound around the end of the insulated cable 11 and the terminal insulation cover 22.

[0043] Finally, the terminal insulation cover end cap 21 is tightened, and the sealing glue layer 12 is completely filled into the gap between the cable 11 and the terminal 31 through the extrusion force, thereby achieving the sealing effect.

[0044] In the description of the application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0045] The specific embodiments of the present application are described above. It needs to be understood that the present application is not limited to the above specific embodiments, and various changes or modifications can be made by those skilled in the art within the scope of the claims, which does not affect the essence of the present application. The embodiments of the present application and the features in the embodiments can be combined with each other at will without conflict.

Claims

1. A quick compression terminal structure characterized by, The application relates to an insulating cover device and an electrical insulator (41), wherein the insulating cover device is mounted on the electrical insulator (41). The insulating cover device comprises a terminal insulating cover end cap (21), a terminal insulating cover (22) and a wiring terminal (31), one end of the wiring terminal (31) is embedded in the electrical insulator (41), and the terminal insulating cover (22) is sleeved on the wiring terminal (31). One end of the terminal insulating cover (22) away from the electrical insulator (41) is provided with a hole allowing the cable to pass through, and the hole is communicated with the wiring terminal (31). The insulating cover end cap (21) is provided with a through hole allowing the cable to pass through, and the insulating cover end cap (21) is sleeved with one end of the terminal insulating cover (22) away from the electrical insulator (41) and is threadedly and sealingly connected.

2. The quick compression terminal structure of claim 1, wherein, One end of the wiring terminal (31) away from the electrical insulator (41) is provided with one or more grooves. The inner wall of the terminal insulating cover (22) is provided with a protrusion corresponding to the groove of the wiring terminal (31), and the groove and the protrusion are inserted and matched.

3. The quick compression terminal structure of claim 1, wherein The outer wall of the wiring terminal (31) is provided with one or more threaded holes, and the center lines of the plurality of threaded holes are respectively or collectively coplanar with the axis of the wiring terminal (31).

4. The quick compression terminal structure of claim 3, wherein The threaded holes in the outer wall of the wiring terminal (31) are matched with fasteners, and the fasteners are used for connecting the wiring terminal (31) with the cable.

5. The quick compression terminal structure of claim 4, wherein The terminal insulating cover (22) is provided with a mounting groove, and the fasteners are located in the mounting groove.

6. The quick compression terminal structure of claim 5, wherein The insulating cover sealing cover (23) is arranged at the opening of the mounting groove of the terminal insulating cover (22), and the insulating cover sealing cover (23) is clamped and sealed with the mounting groove of the terminal insulating cover (22).

7. The quick compression terminal structure of claim 6, wherein The hole in one end of the terminal insulating cover (22) away from the electrical insulator (41) is in the shape of a truncated cone, and the size of the hole away from the electrical insulator (41) is larger than the size of the hole close to the electrical insulator (41).

8. An electrical appliance system characterized by The application further relates to a quick crimping terminal comprising the quick crimping terminal according to any one of claims 1-7.

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