Terminal protective cover
By designing a terminal protective cover made of nylon, the partition plate is used to extend the creepage distance of the terminal, and the terminals are fixed through screw hole columns and fixed baffles, the problems of unreasonable design of the traditional green terminal structure and poor heat resistance are solved, and higher stability, accuracy and service life are achieved.
Patent Information
- Application Number
- CN202420735678.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-04-10
AI Technical Summary
The structural design of traditional green terminal products is unreasonable, the creepage distance is insufficient, and the terminal insulation distance cannot be met. At the same time, the heat resistance is poor, and it is easy to melt and burn under high temperatures, resulting in short service life and poor circuit operation.
A terminal protective cover is designed, including a front fixed baffle, a rear fixed baffle, a bottom plate, a screw hole column, a spacer plate and a terminal clamp bump. It is made of nylon material. The creepage distance of the terminal is rearranged through the spacer plate to extend the creepage distance, and the terminal is fixed through the screw hole column and a fixed baffle to protect its screw holes from corrosion.
It achieves the extension of the creepage distance of the terminal, meets the requirements of the State Grid for the terminal insulation distance, improves the stability and accuracy of the terminal, prevents flying foxes, oxidation, rust and other phenomena, extends the service life of the terminal, and maintains stable performance at high temperatures, and has good practicality.
Smart Images
Figure CN222581572U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of strong electric equipment, in particular to a terminal protective cover. Background Art
[0002] The common green terminals on the market are widely used in controllers, smart capacitors and other high-voltage equipment. According to the requirements of the State Grid Corporation of China, the creepage distance of the terminals is ≥10mm. The product structure design of the traditional green terminal is unreasonable, the creepage distance is insufficient, and it no longer meets the requirements for the terminal insulation distance. In addition, the shell of the traditional green terminal is generally made of plastic, which has poor heat resistance. When the smart capacitor is started or the controller is working, the current will be higher. If it exceeds the carrying capacity of the wire, it will cause a lot of heat discharge, causing the terminal shell at the connection to melt and burn, resulting in a short service life of the green terminal and adverse effects on the normal operation of the circuit. Utility Model Content
[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a terminal protective cover with reasonable structural design, which can extend the terminal creepage distance, has good heat resistance, long service life and good practicality.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a terminal protective cover, including a protective cover body, the protective cover body including a front fixed baffle and a rear fixed baffle, the bottom of the front fixed baffle and the rear fixed baffle are integrally provided with a bottom plate, a plurality of screw hole columns are integrally provided on the upper end surface of the bottom plate, a plurality of spacer plates are integrally provided on the rear end surface of the rear fixed baffle, a spacer groove is provided between two adjacent spacer plates, and a terminal clamping protrusion is integrally provided on the upper end of the front end surface of each spacer plate.
[0005] The utility model is further configured as follows: the front fixed baffle, the bottom plate and the rear fixed baffle together form a terminal installation groove with an opening facing upward, and a terminal positioning protrusion is integrally arranged on the rear end surface of the front fixed baffle.
[0006] The utility model is further configured as follows: the front fixed baffle, the bottom plate, the screw hole column, the rear fixed baffle, the spacer plate and the terminal clamping protrusion are all made of nylon.
[0007] The utility model is further configured as follows: the number of the partition plates arranged on the rear end surface of the rear fixed baffle is more than 3, and each partition plate has a rectangular structure, and adjacent partition plates are parallel to each other.
[0008] The utility model is further configured as follows: the number of screw hole columns arranged on the upper end surface of the bottom plate is more than 2, the screw hole columns are arranged in the middle position of the upper end surface of the bottom plate, and the screw hole columns are arranged in sequence from left to right.
[0009] The utility model is further configured as follows: the upper end surface of the rear fixed baffle is arranged higher than the upper end surface of the front fixed baffle, and the upper end surface of the partition plate is arranged higher than the upper end surface of the rear fixed baffle.
[0010] The beneficial effects of the utility model are as follows: compared with the prior art, the utility model has a reasonable structural design, the front fixed baffle, the bottom plate, and the rear fixed baffle together form a terminal installation groove with an opening facing upward, and a terminal positioning protrusion is integrally provided on the rear end surface of the front fixed baffle, so that the existing terminal is easy to install and reliably fixed;
[0011] The screw column can be accurately connected with the screw hole of the existing terminal. The screw column and the front fixed baffle and the rear fixed baffle complement each other to achieve the purpose of fixing the terminal. Another function is to protect the existing terminal screw hole to prevent corrosion due to the influence of air humidity;
[0012] The spacer mainly contacts the existing terminal insulation material, "blocking" the insulation material of each terminal connection port, rearranging the terminal creepage distance, which can extend the terminal creepage distance to meet the requirements of the State Grid for terminal insulation distance. A terminal clamping protrusion is integrally provided on the upper end of the front surface of each spacer, which can better fix the terminal, has good stability, and has higher precision during installation and use.
[0013] The terminal protection cover of the utility model can prevent flying fox, avoid the occurrence of oxidation, rust and the like, and protect the wire equipment from damage. All components are made of nylon material, which has high wear resistance and strength. At the same time, the thermal stability of nylon material is relatively good, and it can maintain stable performance at high temperature, is not easy to melt or burn, has good heat resistance, extends the service life of the terminal, and is practical.
[0014] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;
[0016] Figure 2 A side view schematic diagram of an embodiment of the utility model;
[0017] Figure 3 It is a rear view schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION
[0018] In the description of this embodiment, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the 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 operate in a specific orientation, and therefore, cannot be understood as a limitation on the utility model. In addition, if the terms "first", "second", and "third" appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0019] See also Figure 1 , Figure 2 and Figure 3 The utility model discloses a terminal protective cover, including a protective cover body, the protective cover body including a front fixed baffle 1 and a rear fixed baffle 2, the bottom of the front fixed baffle 1 and the rear fixed baffle 2 are integrally provided with a bottom plate 3, the upper end surface of the bottom plate 3 is integrally provided with a plurality of screw hole columns 31, the rear end surface of the rear fixed baffle 2 is integrally provided with a plurality of spacer plates 4, a spacer groove 5 is provided between two adjacent spacer plates 4, and a terminal clamping protrusion 41 is integrally provided on the upper end of the front end surface of each spacer plate 4.
[0020] Preferably, the front fixed baffle plate 1 , the bottom plate 3 , and the rear fixed baffle plate 2 together form a terminal mounting groove with an opening facing upward, and a terminal positioning protrusion 11 is integrally provided on the rear end surface of the front fixed baffle plate 1 .
[0021] The front fixed baffle 1, the bottom plate 3, the screw hole column 31, the rear fixed baffle 2, the spacer plate 4 and the terminal clamping protrusion 41 are all made of nylon. All parts are made of nylon, which has high wear resistance and strength. At the same time, the thermal stability of nylon is relatively good, and it can maintain stable performance at high temperatures, is not easy to melt or burn, has good heat resistance and long service life.
[0022] In order to make the structural design of the utility model more reasonable, as a preference, the number of spacer plates 4 arranged on the rear end surface of the rear fixed baffle 2 described in this embodiment is more than 3, and each spacer plate 4 has a rectangular structure, and adjacent spacer plates 4 are parallel to each other.
[0023] The number of screw hole columns 31 arranged on the upper end surface of the bottom plate 3 is more than 2, and the screw hole columns 31 are arranged in the middle of the upper end surface of the bottom plate 3, and the screw hole columns 31 are arranged in sequence from left to right.
[0024] The upper end surface of the rear fixed baffle plate 2 is arranged higher than the upper end surface of the front fixed baffle plate 1 , and the upper end surface of the partition plate 4 is arranged higher than the upper end surface of the rear fixed baffle plate 2 .
[0025] In actual application, the front fixed baffle 1, the bottom plate 3, and the rear fixed baffle 2 together form a terminal installation groove with an opening facing upward, and a terminal positioning protrusion 11 is integrally provided on the rear end surface of the front fixed baffle 1. The structural design is reasonable, and the existing terminal is easy to install and reliably fixed;
[0026] The screw column 31 can be accurately connected with the screw hole of the existing terminal. The screw column 31 and the front fixing baffle 1 and the rear fixing baffle 2 complement each other to achieve the purpose of fixing the terminal. Another function is to protect the existing terminal screw hole from corrosion due to the influence of air humidity.
[0027] The spacer 4 mainly contacts the existing terminal insulation material, "blocks" the insulation material of each terminal connection port of the terminal connection end, rearranges the terminal creepage distance, and can extend the terminal creepage distance to meet the requirements of the national grid for the terminal insulation distance. A terminal clamping protrusion 41 is integrally provided on the upper end of the front surface of each spacer 4, which can better fix the terminal, has good stability, and has higher precision during installation and use.
[0028] The terminal protection cover of the utility model can prevent flying fox, avoid the occurrence of oxidation, rust and the like, and protect the wire equipment from damage. All components are made of nylon material, which has high wear resistance and strength. At the same time, the thermal stability of nylon material is relatively good, and it can maintain stable performance at high temperature, is not easy to melt or burn, has good heat resistance, extends the service life of the terminal, and is practical.
[0029] The specific description of the present invention in the above embodiments is only used to further illustrate the present invention and cannot be understood as limiting the scope of protection of the present invention. Technical engineers in this field may make some non-essential improvements and adjustments to the present invention based on the contents of the above-mentioned utility model, which fall within the scope of protection of the present invention.
Claims
1. A terminal protective cover, comprising a protective cover body, characterized in that: The protective cover body comprises a front fixed baffle (1) and a rear fixed baffle (2), the bottom of the front fixed baffle (1) and the rear fixed baffle (2) are integrally provided with a bottom plate (3), the upper end surface of the bottom plate (3) is integrally provided with a plurality of screw hole columns (31), the rear end surface of the rear fixed baffle (2) is integrally provided with a plurality of spacer plates (4), a spacer groove (5) is provided between two adjacent spacer plates (4), and a terminal clamping protrusion (41) is integrally provided at the upper end of the front end surface of each spacer plate (4).
2. A terminal protection cover according to claim 1, characterized in that: The front fixed baffle (1), the bottom plate (3) and the rear fixed baffle (2) together form a terminal installation groove with an opening facing upwards, and a terminal positioning protrusion (11) is integrally provided on the rear end surface of the front fixed baffle (1).
3. A terminal protection cover according to claim 2, characterized in that: The front fixed baffle plate (1), the bottom plate (3), the screw hole column (31), the rear fixed baffle plate (2), the spacer plate (4) and the terminal clamping protrusion (41) are all made of nylon.
4. A terminal protection cover according to claim 3, characterized in that: The number of the partition plates (4) arranged on the rear end surface of the rear fixed baffle (2) is more than three, and each partition plate (4) has a rectangular structure, and adjacent partition plates (4) are parallel to each other.
5. A terminal protection cover according to claim 4, characterized in that: The number of screw hole columns (31) arranged on the upper end surface of the bottom plate (3) is more than two, the screw hole columns (31) are arranged in the middle of the upper end surface of the bottom plate (3), and the screw hole columns (31) are arranged in sequence from left to right.
6. A terminal protection cover according to claim 1 or 5, characterized in that: The upper end surface of the rear fixed baffle (2) is arranged higher than the upper end surface of the front fixed baffle (1), and the upper end surface of the partition plate (4) is arranged higher than the upper end surface of the rear fixed baffle (2).