Protective cover for transformer terminal

Abstract

The utility model relates to power equipment technical field especially is used for transformer terminal post's protective cover, including bottom support, upper cover and connecting device, connecting device is connected with bottom support and upper cover respectively, bottom support includes support cover surface and first sleeve cover surface, support cover surface is horizontally erected on the one end of first sleeve cover surface top, upper cover includes the engagement cover surface and second sleeve cover surface, the engagement cover surface is horizontally erected on the one end of second sleeve cover surface top, support cover surface and the engagement cover surface form first cavity, first sleeve cover surface and second sleeve cover surface form second cavity, first cavity and second cavity are communicated, the protective cover for transformer terminal post disclosed in the application need not to install after breaking open protective cover, reduce the loss, and when installing, preferentially support line and make it gather, avoid the installation of line influence this protective cover.

Description

Technical Field

[0001] This utility model relates to the field of power equipment technology, and in particular to protective covers for transformer terminals. Background Technology

[0002] Transformers are electrical equipment used in overhead power distribution line transmission operations, suitable for both urban and rural power grids. The low-voltage side of the transformer has terminals that are frequently exposed to environmental corrosion and disturbance from small animals when used outdoors, often leading to power outages. To address this issue, protective covers are typically installed on the low-voltage side terminals. However, existing protective covers, which are pried open along their slits and fitted onto the outside of the terminals, are difficult to open and prone to damage if excessive force is applied. Furthermore, the wiring needs to be pre-organized during installation; otherwise, tangled wiring will hinder the installation of the protective cover.

[0003] It is evident that existing technologies still need improvement and enhancement. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a protective cover for transformer terminals to solve the problems that existing protective covers need to be pried open for installation, are easily damaged, and obstruct the installation of wiring.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A protective cover for transformer terminals includes a base, an upper cover, and a connecting device. The connecting device is connected to the base and the upper cover respectively. The base includes a supporting cover surface and a first clamping cover surface. The supporting cover surface is horizontally mounted on one end of the top of the first clamping cover surface. The upper cover includes a locking cover surface and a second clamping cover surface. The locking cover surface is horizontally mounted on one end of the top of the second clamping cover surface. The supporting cover surface and the locking cover surface form a first cavity, and the first clamping cover surface and the second clamping cover surface form a second cavity. The first cavity and the second cavity are in communication.

[0007] As described above, the protective cover for transformer terminals includes two connecting components. Each connecting component includes a first extending edge, a second extending edge, and a snap-fit ​​mechanism. The first extending edge is located on the edge of the upper cover near the base, and the second extending edge is located on the base corresponding to the first extending edge. The snap-fit ​​mechanism connects the first extending edge and the second extending edge.

[0008] The protective cover for transformer terminals as described above is characterized in that a limiting edge is provided on the first extension side, the limiting edge bends and extends along the edge of the first extension side toward the second extension side, the snap-fit ​​mechanism includes a snap-fit ​​groove and a snap-fit ​​block, the snap-fit ​​groove and the snap-fit ​​block each include multiple, the snap-fit ​​block is provided on the side of the second extension side away from the base, the snap-fit ​​groove is provided on the inner side of the limiting edge, and the snap-fit ​​groove and the snap-fit ​​block snap-fit ​​together.

[0009] The protective cover for transformer terminals as described above has an inclined surface at the edge of the first extended side facing away from the second extended side.

[0010] As described above, the protective cover for transformer terminals has recesses on both sides of the base.

[0011] The protective cover for transformer terminals as described above further includes an inclined cover surface, the two ends of which are respectively connected to the supporting cover surface and the first ferrule cover surface, and the inclined cover surface is provided with multiple through holes.

[0012] The protective cover for transformer terminals as described above further includes a first partition cover, a second partition cover, two limiting mechanisms, two first quick-release mechanisms, and two second quick-release mechanisms. The first partition cover and the second partition cover each have a semi-circular hole on their opposite sides. The two limiting mechanisms are respectively located on both sides of the first partition cover, each limiting mechanism connecting the first partition cover and the second partition cover. The two first quick-release mechanisms are respectively located on the outer side of the first partition cover and connected to the upper cover and the bottom support. The two second quick-release mechanisms are respectively located on the outer side of the second partition cover and connected to the upper cover and the bottom support.

[0013] As described above, the protective cover for transformer terminals includes a locking edge and a limiting groove in each of the limiting mechanisms. The locking edge extends outward along the edge of the first partition cover, and the limiting groove is provided on the second partition cover corresponding to the locking edge.

[0014] As described above, the protective cover for transformer terminals has the same structure for the two first quick-release mechanisms and the two second quick-release mechanisms. Each of the first quick-release mechanisms includes a fixing block and a fixing groove. The fixing block is located on the outside of the first partition cover, and the fixing groove is located on the upper cover. The fixing block and the fixing groove are engaged.

[0015] The protective cover for transformer terminals as described above further includes a mounting base, a temperature alarm, a through hole, a mounting post, and a hook. The through hole is located on the upper cover, the mounting post is located on one side of the mounting base, the hook is located on the side of the mounting post away from the mounting base, the temperature alarm is located on the mounting base, the mounting post passes through the through hole, and the hook engages with the inside of the through hole.

[0016] Beneficial effects:

[0017] This utility model discloses a protective cover for transformer terminals, including a base, an upper cover, and a connecting device. The base includes a supporting cover surface and a first clamping cover surface. The upper cover includes a snap-fit ​​cover surface and a second snap-fit ​​cover surface. The supporting cover surface and the snap-fit ​​cover surface form a first cavity, and the first snap-fit ​​cover surface and the second snap-fit ​​cover surface form a second cavity. The first cavity and the second cavity are connected. During installation, the base is first placed under the terminals and wiring. The supporting cover surface supports the wiring and brings it together towards the center. The first snap-fit ​​cover surface fits against one side of the terminals, and the snap-fit ​​cover surface covers the supporting cover surface, simultaneously clamping and fixing the wiring. The second snap-fit ​​cover surface fits against the other side of the terminals and is connected to the first snap-fit ​​cover surface. The first cavity and the second cavity are respectively for placing the terminals and wiring. The protective cover for transformer terminals disclosed in this application eliminates the need to pry the cover open before installation, reducing losses. Furthermore, during installation, it prioritizes supporting the wiring and bringing it together, preventing the wiring from interfering with the installation of the protective cover. Attached Figure Description

[0018] Figure 1 A schematic diagram of the structure of the protective cover provided by this utility model;

[0019] Figure 2 Exploded view of the protective cover provided for this utility model;

[0020] Figure 3 An exploded view of the protective cover provided by this utility model from another angle;

[0021] Reference numerals: 1. Base; 11. Support cover; 12. First ferrule cover; 13. Recess; 14. Inclined cover; 15. Through hole; 2. Upper cover; 21. Engaging cover; 22. Second ferrule cover; 3. Connecting device; 31. First extension edge; 32. Second extension edge; 33. Snap-fit ​​mechanism; 34. Limiting edge; 35. Snap-fit ​​groove; 36. Snap-fit ​​block; 37. Inclined surface; 41. First partition cover; 42. Second partition cover; 43. Limiting mechanism; 431. Snap-fit ​​edge; 432. Limiting groove; 44. First quick-release mechanism; 441. Fixing block; 442. Fixing groove; 45. Second quick-release mechanism; 46. Semicircular hole; 5. Mounting base; 6. Temperature alarm; 7. Connecting hole; 8. Mounting post; 9. Hook. Detailed Implementation

[0022] This utility model provides a protective cover for transformer terminals. To make the purpose, technical solution and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and examples.

[0023] In the description of this utility model, it should be understood that the terms "top" and other terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and should not be construed as limiting this utility model; in addition, the terms "installation" and "connection" should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] like Figure 1-3 As shown in the embodiment of this application, a protective cover for transformer terminals is proposed, including a base 1, an upper cover 2, and a connecting device 3. The connecting device 3 is connected to the base 1 and the upper cover 2 respectively. The base 1 includes a supporting cover surface 11 and a first retaining cover surface 12. The supporting cover surface 11 is horizontally mounted on one end of the top of the first retaining cover surface 12. The upper cover 2 includes a retaining cover surface 21 and a second retaining cover surface 22. The retaining cover surface 21 is horizontally mounted on one end of the top of the second retaining cover surface 22. The supporting cover surface 11 and the retaining cover surface 21 form a first cavity, and the first retaining cover surface 12 and the second retaining cover surface 22 form a second cavity. The first cavity and the second cavity are connected.

[0025] This utility model discloses a protective cover for transformer terminals, including a base support 1, an upper cover 2, and a connecting device 3. The base support 1 includes a supporting cover surface 11 and a first retaining cover surface 12. The upper cover 2 includes a retaining cover surface 21 and a second retaining cover surface 22. The supporting cover surface 11 and the retaining cover surface 21 form a first cavity, and the first retaining cover surface 12 and the second retaining cover surface 22 form a second cavity. The first cavity and the second cavity are connected. During the installation of the protective cover, the base support 1 is first placed under the terminals and lines, and the supporting cover surface 11 can support... The circuit is raised and the circuit is brought together towards the center. The first clamping cover 12 is attached to one side of the terminal block, and the clamping cover 21 covers the supporting cover 11, while clamping and fixing the circuit. The second clamping cover 22 is attached to the other side of the terminal block and connected to the first clamping cover 12. The first cavity and the second cavity are respectively for placing the terminal block and the circuit. The protective cover for transformer terminal blocks disclosed in this application does not require the protective cover to be pried open before installation, which reduces losses. Moreover, during installation, the circuit is prioritized to be supported and brought together, so as to avoid the circuit affecting the installation of the protective cover.

[0026] The connecting device 3 includes two connecting components. Each connecting component includes a first extending edge 31, a second extending edge 32, and a snap-fit ​​mechanism 33. The first extending edge 31 is disposed on the edge of the upper cover 2 near the base 1. The second extending edge 32 is disposed on the base 1 corresponding to the first extending edge 31. The snap-fit ​​mechanism 33 connects the first extending edge 31 and the second extending edge 32. The first extending edge 31 is provided with a limiting edge 34, which bends and extends along the edge of the first extending edge 31 toward the second extending edge 32. The snap-fit ​​mechanism 33 connects the first extending edge 31 and the second extending edge 32. Mechanism 33 includes a snap-fit ​​groove 35 and a snap-fit ​​block 36. Multiple snap-fit ​​grooves 35 and multiple snap-fit ​​blocks 36 are included. The snap-fit ​​block 36 is located on the side of the second extension edge 32 facing away from the base support 1. The snap-fit ​​groove 35 is located on the inner side of the limiting edge 34. The snap-fit ​​groove 35 and the snap-fit ​​block 36 snap together. The base support 1 and the upper cover 2 are connected by the cooperation of the snap-fit ​​block 36 and the snap-fit ​​groove 35. The limiting edge 34 can isolate the gap between the first extension edge 31 and the second extension edge 32 from the outside world to prevent rainwater or dust from entering directly.

[0027] An inclined surface 37 is provided at the edge of the first extension edge 31 facing away from the second extension edge 32 to guide rainwater to flow outward and prevent rainwater from flowing into the gap between the first extension edge 31 and the second extension edge 32 when it accumulates.

[0028] The base 1 has recesses 13 on both sides, which can be placed by the operator's fingers to pinch the sides of the base 1 to deform it, so as to facilitate the connection of the locking mechanism 33.

[0029] The protective cover also includes an inclined cover surface 14, the two ends of which are connected to the support cover surface 11 and the first ferrule cover surface 12, respectively. The inclined cover surface 14 is provided with a plurality of through holes 15. The inclined cover surface 14 increases the internal space of the protective cover, providing a larger accommodation space and heat dissipation space between the terminals and the lines. It can also exchange heat with the outside through the through holes 15 to avoid heat accumulation.

[0030] The protective cover also includes a first partition cover 41, a second partition cover 42, two limiting mechanisms 43, two first quick-release mechanisms 44, and two second quick-release mechanisms 45. The first partition cover 41 and the second partition cover 42 each have a semi-circular hole 46 on their opposite sides. The two limiting mechanisms 43 are respectively located on both sides of the first partition cover 41, each limiting mechanism 43 connecting the first partition cover 41 and the second partition cover 42. The two first quick-release mechanisms 44 are respectively located on the outer side of the first partition cover 41, and are respectively connected to the upper cover 2 and the base support 1. The two second quick-release mechanisms 45 are respectively located on the outer side of the second partition cover 42, and are respectively connected to the upper cover 2 and the base support 1. Each limiting mechanism 43 includes a snap-fit ​​edge. 431 and limiting groove 432, the snap-fit ​​edge 431 extends outward along the edge of the first partition cover 41, the limiting groove 432 is provided on the second partition cover 42 corresponding to the snap-fit ​​edge 431, the two first quick-installation mechanisms 44 and the two second quick-installation mechanisms 45 have the same structure, each of the first quick-installation mechanisms includes a fixing block 441 and a fixing groove 442, the fixing block 441 is provided on the outside of the first partition cover 41, the fixing groove 442 is provided on the upper cover 2, the fixing block 441 and the fixing groove 442 snap-fit, wherein the two semi-circular holes 46 form a wire passage hole for the line to pass through. On the one hand, the first partition cover 41 and the second partition cover 42 can prevent small birds or insects from entering, on the other hand, the color of the two partition covers can be set separately to facilitate the maintenance personnel to identify the phase of the terminal.

[0031] The protective cover also includes a mounting base 5, a temperature alarm 6, a connection hole 7, a mounting post 8, and a hook 9. The connection hole 7 is located on the upper cover 2, the mounting post 8 is located on one side of the mounting base 5, and the hook 9 is located on the side of the mounting post 8 away from the mounting base 5. The temperature alarm 6 is located on the mounting base 5, the mounting post 8 passes through the connection hole 7, and the hook 9 engages with the inside of the connection hole 7. This allows for temperature detection of the terminal block and the issuance of an alarm, thereby alerting maintenance personnel to potential faults. Furthermore, quick plug-in installation can be achieved through the hook 9 and the connection hole 7.

[0032] It is understood that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of this utility model, and all such substitutions or changes should fall within the protection scope of this utility model.

Claims

1. A protective cover for transformer terminals, characterized in that, The device includes a base (1), an upper cover (2), and a connecting device (3). The connecting device (3) is connected to the base (1) and the upper cover (2) respectively. The base (1) includes a supporting cover (11) and a first ferrule cover (12). The supporting cover (11) is horizontally mounted on one end of the top of the first ferrule cover (12). The upper cover (2) includes a locking cover (21) and a second ferrule cover (22). The locking cover (21) is horizontally mounted on one end of the top of the second ferrule cover (22). The supporting cover (11) and the locking cover (21) form a first cavity. The first ferrule cover (12) and the second ferrule cover (22) form a second cavity. The first cavity and the second cavity are connected.

2. The protective cover for transformer terminals according to claim 1, characterized in that, The connecting device (3) includes two connecting components. Each connecting component includes a first extending edge (31), a second extending edge (32), and a snap-fit ​​mechanism (33). The first extending edge (31) is located on the edge of the upper cover (2) near the base (1). The second extending edge (32) is located on the base (1) corresponding to the first extending edge (31). The snap-fit ​​mechanism (33) connects the first extending edge (31) and the second extending edge (32).

3. The protective cover for transformer terminals according to claim 2, characterized in that, The first extension edge (31) is provided with a limiting edge (34), the limiting edge (34) bends and extends along the edge of the first extension edge (31) toward the side of the second extension edge (32), the snap-fit ​​mechanism (33) includes a snap-fit ​​groove (35) and a snap-fit ​​block (36), the snap-fit ​​groove (35) and the snap-fit ​​block (36) are respectively multiple, the snap-fit ​​block (36) is provided on the side of the second extension edge (32) facing away from the base (1), the snap-fit ​​groove (35) is provided on the inner side of the limiting edge (34), and the snap-fit ​​groove (35) and the snap-fit ​​block (36) snap-fit.

4. The protective cover for transformer terminals according to claim 3, characterized in that, The first extension edge (31) has an inclined surface (37) on the side opposite to the second extension edge (32).

5. The protective cover for transformer terminals according to claim 1 or 3, characterized in that, The base (1) has recesses (13) on both sides.

6. The protective cover for transformer terminals according to claim 1, characterized in that, The protective cover also includes an inclined cover surface (14), the two ends of which are connected to the supporting cover surface (11) and the first ferrule cover surface (12) respectively, and the inclined cover surface (14) is provided with a plurality of through holes (15).

7. The protective cover for transformer terminals according to claim 1, characterized in that, The protective cover also includes a first partition cover (41), a second partition cover (42), two limiting mechanisms (43), two first quick-release mechanisms (44), and two second quick-release mechanisms (45). The first partition cover (41) and the second partition cover (42) are respectively provided with semi-circular holes (46) on opposite sides. The two limiting mechanisms (43) are respectively provided on both sides of the first partition cover (41). Each limiting mechanism (43) is connected to the first partition cover (41) and the second partition cover (42). The two first quick-release mechanisms (44) are respectively provided on the outer side of the first partition cover (41). The two first quick-release mechanisms (44) are respectively connected to the upper cover (2) and the bottom support (1). The two second quick-release mechanisms (45) are respectively provided on the outer side of the second partition cover (42). The two second quick-release mechanisms (45) are respectively connected to the upper cover (2) and the bottom support (1).

8. The protective cover for transformer terminals according to claim 7, characterized in that, Each of the limiting mechanisms (43) includes a snap-fit ​​edge (431) and a limiting groove (432). The snap-fit ​​edge (431) extends outward along the edge of the first partition cover (41), and the limiting groove (432) is provided on the second partition cover (42) corresponding to the snap-fit ​​edge (431).

9. The protective cover for transformer terminals according to claim 7, characterized in that, The two first quick-installation mechanisms (44) and the two second quick-installation mechanisms (45) have the same structure. Each of the first quick-installation mechanisms includes a fixing block (441) and a fixing groove (442). The fixing block (441) is located on the outside of the first partition cover (41), and the fixing groove (442) is located on the upper cover (2). The fixing block (441) and the fixing groove (442) are engaged.

10. The protective cover for transformer terminals according to claim 1, characterized in that, The protective cover also includes a mounting base (5), a temperature alarm (6), a connecting hole (7), a mounting post (8), and a hook (9). The connecting hole (7) is located on the upper cover (2). The mounting post (8) is located on one side of the mounting base (5). The hook (9) is located on the side of the mounting post (8) away from the mounting base (5). The temperature alarm (6) is located on the mounting base (5). The mounting post (8) passes through the connecting hole (7). The hook (9) engages with the inside of the connecting hole (7).

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