Sealing moisture-proof fastener for intermediate joint of high-voltage cable

Abstract

The utility model discloses a high-voltage cable intermediate joint sealing moisture-proof fastener, which relates to the technical field of high-voltage cables, and comprises a protective shell, the bottom of the protective shell is provided with a moisture absorption assembly, the moisture absorption assembly is used for absorbing moisture in the protective shell, and the moisture absorption assembly comprises an installation shell, a drying agent and moisture absorption holes. The moisture absorption holes are formed in the bottom of the protective shell, the mounting shell is mounted at the bottom of the protective shell and located below the moisture absorption holes, and the drying agent is mounted in the mounting shell. According to the utility model, moisture in the protective shell enters the interior of the mounting shell through the moisture absorption holes, and the moisture is absorbed by the drying agent in the mounting shell, so that the interior of the protective shell is ensured to be in a dry state, and the high-voltage cable joint is prevented from being damaged due to the influence of the moisture.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage cables, in particular to a sealing and moisture-proof fastener for a middle joint of a high-voltage cable. Background Art

[0002] High-voltage cable is a type of power cable, which refers to a power cable used to transmit power between 1kv-1000kv. It is mostly used in power transmission and distribution. High-voltage cable needs to be connected when in use. In order to ensure the stability of the connection, moisture-proof fasteners need to be installed on the outside of the connector.

[0003] Patent document CN221240122U discloses a cable joint waterproof box. "The cable joint waterproof box in this patent document solves the problem of the joints in traditional cable waterproof boxes being difficult to clean for a long time, resulting in blockage. However, moisture will still exist inside the waterproof box, which will affect the use of the cable joints. Utility Model Content

[0004] One purpose of the present application is to provide a high-voltage cable intermediate joint sealing moisture-proof fastener to solve the technical problem that moisture still exists inside the waterproof box proposed in the prior art, thereby affecting the use of the cable joint.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a high-voltage cable intermediate joint sealing moisture-proof fastener, comprising a protective shell, a moisture-absorbing component installed at the bottom of the protective shell, the moisture-absorbing component being used to absorb moisture in the protective shell, the moisture-absorbing component comprising a mounting shell, a desiccant and a moisture-absorbing hole, the moisture-absorbing hole being opened at the bottom of the protective shell, the mounting shell being mounted at the bottom of the protective shell, and the mounting shell being located below the moisture-absorbing hole, and the desiccant being mounted inside the mounting shell.

[0006] Preferably, a fixed outer frame is installed on the outer side of the top of the installation shell, and a support plate is installed on the bottom of the installation shell.

[0007] Preferably, positioning grooves are symmetrically provided on the inner wall of the bottom of the protective shell.

[0008] Preferably, bottom through circular grooves are provided on the tops of both sides of the protective shell, and bottom sealing rings are installed inside the bottom through circular grooves.

[0009] Preferably, a protective top cover is installed on the top of the protective shell, and top through circular grooves corresponding to the bottom through circular grooves are symmetrically opened on the bottom of both sides of the protective top cover, and a top sealing ring is installed on the inner side of the top through circular groove.

[0010] Preferably, the top inner wall of the protective top cover is symmetrically provided with a mounting cylinder, the mounting cylinder is internally provided with a connecting spring, the mounting cylinder is internally provided with a movable rod through the connecting spring, the bottom end of the movable rod is provided with a pressing block, and the pressing block corresponds to the positioning groove.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、The utility model discloses a moisture absorption assembly is installed at the bottom of the protective shell, when using, the moisture in the protective shell enters the inside of the mounting shell through the moisture absorption hole, and the moisture is absorbed by the drying agent in the inside of the mounting shell, so that the inside of the protective shell is kept dry, and the high-voltage cable joint is prevented from being damaged by the moisture.

[0013] 2、When the protective top cover is installed at the top of the protective shell, the pressing block at one end of the movable rod exerts pressure on the connecting wire at the high-voltage cable joint, so that the cable at the joint is elastically fixed in the inside of the positioning groove, and the high-voltage cable joint is stably located in the inside of the fastener, avoiding shaking in the fastener and causing the joint to be loose. DRAWINGS

[0014] Figure 1 It is the perspective view of the utility model;

[0015] Figure 2 It is the moisture absorption assembly structure schematic view of the utility model;

[0016] Figure 3 It is the positioning groove structure schematic view of the utility model;

[0017] Figure 4 It is the sectional view of the utility model.

[0018] In the drawing: 1, protective shell;2, positioning groove;3, moisture absorption hole;4, bottom sealing ring;5, bottom through circular groove;6, moisture absorption assembly;7, mounting shell;8, support plate;9, fixed outer frame;10, drying agent;11, protective top cover;12, top through circular groove;13, top sealing ring;14, mounting cylinder;15, connecting spring;16, movable rod;17, pressing block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] In the description of the utility model, it needs to explain, the term "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the position relation or location relation is based on the position relation or location relation shown in the drawing, only is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as the limitation to the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, the term "installation", "set", "connection" and so on, should be broad understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0022] Please refer to Figure 1 、 Figure 2 And Figure 3 , the utility model provides an embodiment: a kind of high-voltage cable intermediate joint sealing moisture-proof fastener;

[0023] Including protective shell 1 and hygroscopic component 6, the bottom of protective shell 1 is equipped with hygroscopic component 6, hygroscopic component 6 is used to absorb the moisture in protective shell 1, hygroscopic component 6 includes installation shell 7, drying agent 10 and hygroscopic hole 3, hygroscopic hole 3 is opened in the bottom of protective shell 1, installation shell 7 is installed in the bottom of protective shell 1, and installation shell 7 is located below hygroscopic hole 3, drying agent 10 is installed in the inside of installation shell 7, fixed outer frame 9 is installed on the top outside of installation shell 7, support plate 8 is installed on the bottom of installation shell 7, and positioning groove 2 is symmetrically opened on the inner wall of the bottom of protective shell 1;

[0024] Protective shell 1 provides protective space for the joint of high-voltage cable, by installing protective shell 1 on the outside of high-voltage cable joint, then by protective top cover 11 close protective shell 1, avoid external environment to high-voltage cable joint cause influence, by installing hygroscopic component 6 on the bottom of protective shell 1, hygroscopic component 6 when using, the moisture in the inside of protective shell 1 passes through hygroscopic hole 3 and enters the inside of installation shell 7, utilizes drying agent 10 in the inside of installation shell 7 to absorb moisture, ensure that the inside of protective shell 1 is dry, prevent high-voltage cable joint from being damaged by moisture, installation shell 7 is installed on the bottom of protective shell 1 by fixed outer frame 9, support plate 8 supports the fastener, and positioning groove 2 is used to fix the connecting wire at the joint of high-voltage cable and provide space.

[0025] Referring to Figure 1 , Figure 3 and Figure 4 , the utility model provides a kind of embodiment: a kind of high-voltage cable intermediate joint sealing moisture-proof fastener;

[0026] It includes protective top cover 11 and briquetting 17, the bottom through circular groove 5 is opened in the top of the both sides of protective shell 1, bottom sealing ring 4 is installed in the inside of bottom through circular groove 5, protective top cover 11 is installed in the top of protective shell 1, the bottom of the both sides of protective top cover 11 is opened with the top through circular groove 12 corresponding with bottom through circular groove 5 in symmetry, top sealing ring 13 is installed in the inside of top through circular groove 12, mounting cylinder 14 is installed on the top inner wall of protective top cover 11 in symmetry, connecting spring 15 is installed in the inside of mounting cylinder 14, movable rod 16 is installed in the inside of mounting cylinder 14 by connecting spring 15, briquetting 17 is installed in the bottom end of movable rod 16, and briquetting 17 corresponds with positioning groove 2;

[0027] Protective top cover 11 is used to close protective shell 1, bottom through circular groove 5 and top through circular groove 12 are connected to form the space of high-voltage cable installation in fastener, then under the sealing of bottom sealing ring 4 and top sealing ring 13, the sealing effect of bottom through circular groove 5 and top through circular groove 12 is better, mounting cylinder 14 provides position for the installation of connecting spring 15 and movable rod 16, so that movable rod 16 can be elastically movable in the bottom end of mounting cylinder 14, when protective top cover 11 is installed in the top of protective shell 1, briquetting 17 of one end of movable rod 16 exerts pressure on the connecting line at high-voltage cable joint, so that the cable at joint is elastically fixed in the inside of positioning groove 2, so that high-voltage cable joint is stably located in the inside of the fastener, avoid shaking in the inside of fastener, cause joint to loosen.

[0028] Working principle: before using sealing moisture-proof fastener, whether sealing moisture-proof fastener exists influence use problem should be checked first, high-voltage cable connection is installed in the inside of protective shell 1 first, then the top of protective shell 1 is closed by protective top cover 11, when closing, briquetting 17 of movable rod 16 installed in the inside of protective top cover 11 will pressurize and fix high-voltage cable connection, ensure the stability of high-voltage cable connection, while desiccant 10 installed in the inside of mounting shell 7 will absorb the moisture in the inside of protective shell 1, so that high-voltage cable connection is used in dry environment.

[0029] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, no reference signs in the claims being regarded as limiting the claims concerned.

Claims

1. A high-voltage cable intermediate joint sealing moisture-proof fastener, comprising a protective shell (1), characterized in that: A moisture absorbing component (6) is installed at the bottom of the protective shell (1), and the moisture absorbing component (6) is used to absorb moisture in the protective shell (1). The moisture absorbing component (6) includes a mounting shell (7), a desiccant (10) and a moisture absorbing hole (3). The moisture absorbing hole (3) is opened at the bottom of the protective shell (1). The mounting shell (7) is installed at the bottom of the protective shell (1), and the mounting shell (7) is located below the moisture absorbing hole (3). The desiccant (10) is installed inside the mounting shell (7).

2. A high-voltage cable intermediate joint sealing and moisture-proof fastener according to claim 1, characterized in that: A fixed outer frame (9) is installed on the outer side of the top of the installation shell (7), and a support plate (8) is installed on the bottom of the installation shell (7).

3. The high-voltage cable intermediate joint sealing and moisture-proof fastener according to claim 1, characterized in that: Positioning grooves (2) are symmetrically provided on the inner wall of the bottom of the protective shell (1).

4. The high-voltage cable intermediate joint sealing and moisture-proof fastener according to claim 1, characterized in that: Bottom through circular grooves (5) are provided on the tops of both sides of the protective shell (1), and bottom sealing rings (4) are installed inside the bottom through circular grooves (5).

5. A high-voltage cable intermediate joint sealing and moisture-proof fastener according to claim 4, characterized in that: A protective top cover (11) is installed on the top of the protective shell (1), and top through circular grooves (12) corresponding to the bottom through circular grooves (5) are symmetrically opened on the bottom of both sides of the protective top cover (11), and a top sealing ring (13) is installed on the inner side of the top through circular groove (12).

6. A high-voltage cable intermediate joint sealing and moisture-proof fastener according to claim 5, characterized in that: A mounting cylinder (14) is symmetrically mounted on the inner wall of the top of the protective top cover (11), a connecting spring (15) is mounted inside the mounting cylinder (14), a movable rod (16) is mounted inside the mounting cylinder (14) via the connecting spring (15), a pressing block (17) is mounted at the bottom end of the movable rod (16), and the pressing block (17) corresponds to the positioning groove (2).

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