Heat shrinkable insulated right angle box

CN224733413UActive Publication Date: 2026-09-08KEMA (HUZHOU) ELECTRIC POWER TECH CO LTD
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Patent Information

Application Number
CN202522030385.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-22
Publication Date
2026-09-08
Estimated Expiration
2035-09-22

AI Technical Summary

Technical Problem

[0004]本实用新型的目的在于提供热缩绝缘直角盒,解决了传统的绝缘直角盒使用功能较为单一,内部结构较为光滑,造成的摩擦力不够,容易造成滑动情况并且在固定时容易出现松脱的问题

Benefits of technology

[0014] 1. This utility model is provided with: a pin post, a through hole, an extension plate, and a convex plate. The upper fixed cover plate is fixed to the wire through the wire post hole at the connection and insulation point. After the wire is fitted, the pin post is inserted through the extension plate. Then, the first pin rod is inserted and fixed through the through hole. This structure can wrap and insulate the wire with the right-angle box. When the extension plate is tightened by the pin post, a convex plate is provided on the inner side of the extension plate, which can be inserted to achieve a firm fit.

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Abstract

This utility model discloses a heat-shrinkable insulating right-angle box, comprising: a right-angle box body, with extension plates fixedly connected to both ends of one side of the right-angle box body, and fixing rings fixedly connected to both the upper and lower ends of the extension plates. A pin passes through the interior of each fixing ring, and one end of the pin has a through hole. The pin and the fixing ring are in a through-fitting relationship. Push plates are provided on both sides of the interior of the right-angle box body, and a rotating shaft is provided between each side of the push plate and the right-angle box body. A rotating rod is rotatably connected between the rotating shafts. Several anti-slip contact blocks are fixedly connected to one side of each push plate. The inner wall of the right-angle box body and the rotating shafts are in a sliding fit. The box is fixed by inserting a first pin through the through hole. This structure can insulate the wires within the right-angle box body. During the tightening process of the extension plates via the pins, a convex plate is provided on the inner side of the extension plates, which can be inserted to achieve a secure fit.
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Description

Technical Field

[0001] This utility model relates to the technical field of insulated right-angle boxes, and particularly to heat-shrinkable insulated right-angle boxes. Background Technology

[0002] Current long-distance high-voltage power transmission mainly uses overhead bare conductors, which involves using very tall metal towers to suspend the bare conductors carrying the high-voltage electricity. Since metal towers are good conductors, insulation must be installed between the metal towers and the bare conductors to avoid the risk of electric shock.

[0003] Existing insulating right-angle boxes are susceptible to displacement due to vibration during use, which affects their insulation performance. Traditional insulating right-angle boxes have a relatively simple function and a smooth internal structure, resulting in insufficient friction, which can easily cause sliding and loosening during fixing, thus affecting their usability. Utility Model Content

[0004] The purpose of this utility model is to provide a heat-shrinkable insulating right-angle box, which solves the problems of traditional insulating right-angle boxes having limited functions, a smooth internal structure, insufficient friction, easy slippage, and easy loosening during fixing.

[0005] To achieve the above objectives, a heat-shrinkable insulating right-angle box is provided, comprising: a right-angle box body, with extension plates fixedly connected to both ends of one side of the right-angle box body, and fixing rings fixedly connected to both the upper and lower ends of the extension plates, a pin penetrating through the inside of the fixing rings, a through hole at one end of the pin, the pin and the fixing rings engaging through each other, push plates provided on both sides of the inside of the right-angle box body, a rotating shaft provided between both sides of the push plates and the right-angle box body, a rotating rod rotatably connected between the rotating shafts, and several anti-slip contact blocks fixedly connected to one side of the push plates, with a sliding engagement between the inner wall of the right-angle box body and the rotating shafts.

[0006] As a preferred technical solution of this utility model, a fixed sleeve is fixedly connected to the middle of one side of the push plate, and a second pin rod is telescopically fitted inside the fixed sleeve.

[0007] As a preferred embodiment of this utility model, a support spring is sleeved on the outside of the second pin rod, and one end of the support spring is fixedly connected to the fixing sleeve.

[0008] As a preferred embodiment of this utility model, the inner wall of the extension plate is fixedly connected with a plurality of convex plates, which are interlocked with each other.

[0009] As a preferred embodiment of this utility model, a first pin rod is inserted through the inside of the through hole.

[0010] As a preferred technical solution of this utility model, the top of the right-angled box is fixedly connected to an upper fixed cover plate, and the upper fixed cover plate has a wire post hole inside.

[0011] As a preferred technical solution of this utility model, the inside of the right-angled box is provided with an insulating groove.

[0012] As a preferred embodiment of this utility model, the entire right-angled box is made of polyethylene.

[0013] The above-mentioned solution has the following beneficial effects:

[0014] 1. This utility model is provided with: a pin post, a through hole, an extension plate, and a convex plate. The upper fixed cover plate is fixed to the wire through the wire post hole at the connection and insulation point. After the wire is fitted, the pin post is inserted through the extension plate. Then, the first pin rod is inserted and fixed through the through hole. This structure can wrap and insulate the wire with the right-angle box. When the extension plate is tightened by the pin post, a convex plate is provided on the inner side of the extension plate, which can be inserted to achieve a firm fit.

[0015] 2. This utility model is equipped with an insulating groove, a push plate, an anti-slip contact block, and a rotating rod. During the closing process of the right-angle box, the anti-slip contact block inside the insulating groove engages with the wire. When the right-angle box closes, the push plate contacts the wire, and the supporting spring is elastically compressed, causing the anti-slip contact block on one side of the push plate to engage with the wire, achieving contact. The wire contacts the push plate, increasing friction through compression. The rotating rod rotates at both ends, with one end sliding between the right-angle box and the rotating rod, enabling position expansion and achieving a firm fit. This fixes the right-angle box and the wire, preventing positional displacement.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a three-dimensional structural diagram of the heat-shrinkable insulating right-angle box of this utility model;

[0019] Figure 2 This is a top cross-sectional view of the heat-shrinkable insulating right-angle box of this utility model;

[0020] Figure 3 This is a cross-sectional view of the right-angle box body of the heat-shrinkable insulating right-angle box of this utility model;

[0021] Figure 4 This utility model is a heat-shrinkable insulating right-angle box. Figure 2Enlarged view of point A in the image.

[0022] Legend:

[0023] The components include: 1. Right-angle box body; 2. Upper fixed cover plate; 3. Wire post hole; 4. Extension plate; 5. First insertion pin; 6. Insertion pin; 7. Through hole; 8. Fixing collar; 9. Insulating groove; 10. Convex plate; 11. Fixing sleeve; 12. Support spring; 13. Second insertion pin; 14. Rotating rod; 15. Rotating shaft; 16. Anti-slip contact block; 17. Push plate. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] Reference Figure 1-4 This utility model embodiment of a heat-shrinkable insulating right-angle box includes: a right-angle box body 1, with extension plates 4 fixedly connected to both ends of one side of the right-angle box body 1. A pin 6 passes through the extension plate 4, and then a first pin 5 is inserted and fixedly connected to a through hole 7. A fixing collar 8 is fixedly connected to both the upper and lower ends of the extension plate 4, with the pin 6 passing through the inside of the fixing collar 8. One end of the pin 6 has a through hole 7, and the pin 6 and the fixing collar 8 are engaged through the hole. Push plates 1 are provided on both sides of the inside of the right-angle box body 1. 7. A rotating shaft 15 is provided on both sides of the push plate 17 and between the right-angle box 1. A rotating rod 14 is rotatably connected between the rotating shafts 15. Several anti-slip contact blocks 16 are fixedly connected to one side of the push plate 17. When the right-angle box 1 is closed, the anti-slip contact blocks 16 inside the insulating groove 9 are engaged with the wires. The inner wall of the right-angle box 1 and the rotating shaft 15 are in sliding engagement. The two ends of the rotating rod 14 rotate and one end of the rotating rod 14 is in sliding engagement with the right-angle box 1, which can realize position expansion and achieve a firm fit.

[0026] A fixed sleeve 11 is fixedly connected to the middle of one side of the push plate 17. A second pin 13 is telescopically fitted inside the fixed sleeve 11. A support spring 12 is sleeved on the outside of the second pin 13. When the right-angle box 1 closes, the push plate 17 contacts the wire, and the support spring 12 is elastically compressed, causing the anti-slip contact block 16 on one side of the push plate 17 to engage with the wire, achieving contact. One end of the support spring 12 is fixedly connected to the fixed sleeve 11. Several convex plates 10 are fixedly connected to the inner wall of the extension plate 4. When the extension plate 4 is tightened by the pin 6, it extends... A convex plate 10 is provided on the inner side of plate 4, which can be inserted to achieve a firm fit. The convex plates 10 are inserted and fitted together. A first pin 5 passes through the inside of the through hole 7. An upper fixing cover plate 2 is fixedly connected to the top of the right-angle box 1. The right-angle box 1 is fitted onto the part where the wire needs to be wrapped and insulated. Then, it can be fixed by fitting the upper fixing cover plate 2 through the wire post hole 3 at the connection insulation point between the upper fixing cover plate 2 and the wire. The upper fixing cover plate 2 has a wire post hole 3 inside. The right-angle box 1 has an insulation groove 9 inside. The entire right-angle box 1 is made of polyethylene material.

[0027] Working principle: In use, the right-angle box 1 is first fitted onto the part of the wire that needs to be insulated. Then, the upper fixing cover 2 is fixed by fitting it through the wire post hole 3 at the connection insulation point between the wire and the insulation plate. After fitting, the pin 6 passes through the extension plate 4, and then the first pin 5 is inserted and fixed through the through hole 7. This structure can wrap and insulate the wire with the right-angle box 1. When the extension plate 4 is tightened by the pin 6, a convex plate 10 is provided on the inner side of the extension plate 4, which can be inserted to achieve a firm fit. When the right-angle box 1 is tightened by the pin 6, the wire is insulated. During the closing process of the box 1, the anti-slip contact block 16 inside the insulating groove 9 engages with the wire. When the right-angle box 1 closes, the push plate 17 contacts the wire, and the support spring 12 is elastically compressed, causing the anti-slip contact block 16 on one side of the push plate 17 to engage with the wire, achieving contact. The wire contacts the push plate 17, achieving compression and increasing friction. The two ends of the rotating rod 14 rotate, and one end of the rotating rod 14 slides with the right-angle box 1, which can achieve position expansion and achieve a firm fit, thereby fixing the right-angle box 1 and the wire, making it less prone to positional displacement.

[0028] In the description of this utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "both ends," etc., 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 do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. At the same time, unless otherwise expressly specified and limited, the terms "set," "install," "connect," "fixed installation," etc., should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. Unless otherwise expressly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A heat shrinkable insulated right angle box comprising: A right-angle box (1) is characterized in that an extension plate (4) is fixedly connected to both ends of one side of the right-angle box (1), and a fixing ring (8) is fixedly connected to both the upper and lower ends of the extension plate (4). A pin (6) passes through the inside of the fixing ring (8), and a through hole (7) is opened at one end of the pin (6). The pin (6) and the fixing ring (8) are connected through the pin. Push plates (17) are provided on both sides of the inside of the right-angle box (1). A rotating shaft (15) is provided between the two sides of the push plate (17) and the right-angle box (1). A rotating rod (14) is rotatably connected between the rotating shafts (15). Several anti-slip contact blocks (16) are fixedly connected to one side of the push plate (17). The inner wall of the right-angle box (1) and the rotating shaft (15) are in sliding fit.

2. The heat shrinkable insulating right angle box according to claim 1, characterized in that, A fixing sleeve (11) is fixedly connected to the middle of one side of the push plate (17), and a second pin rod (13) is telescopically fitted inside the fixing sleeve (11).

3. The heat shrinkable insulating right angle box according to claim 2, wherein, The second pin (13) is fitted with a support spring (12), one end of which is fixedly connected to the fixed sleeve (11).

4. The heat shrinkable insulating right angle box according to claim 1, wherein, The inner wall of each extension plate (4) is fixedly connected with several convex plates (10), and the convex plates (10) are interlocked.

5. The heat shrinkable insulating right angle box according to claim 1, wherein, The first pin (5) passes through the inside of the through hole (7).

6. The heat shrinkable insulating right angle box according to claim 1, wherein, The top of the right-angle box (1) is fixedly connected to an upper fixed cover plate (2), and the upper fixed cover plate (2) has a wire post hole (3) inside.

7. The heat shrinkable insulating right angle box according to claim 1, wherein, The right-angled box (1) has an insulating groove (9) inside.

8. The heat shrinkable insulating right angle box according to claim 1, wherein, The right-angled box (1) is made entirely of polyethylene.