A cable protection sleeve convenient for maintenance

Abstract

The utility model relates to the technical field of cable field, a cable protection sleeve that is easy to inspect, including an upper sleeve and a groove, the inner wall of the upper sleeve is installed with a groove, the outer wall of the groove is provided with a fixing mechanism, the fixing mechanism includes a sealing strip, the inner wall of the sealing strip is tightly against the groove, and the outer wall of the sealing strip is fixedly connected to the lower sleeve. Multiple cables are separated and wrapped by the upper protective sleeve and the middle protective sleeve, as well as the upper protective sleeve and the middle connecting sleeve. When inspecting the cables, the first fixing ring or the second fixing ring can be twisted to selectively open the lower sleeve and the upper sleeve and the upper connector and the lower connector, and the upper connector or the upper protective sleeve can be manually pulled upward to inspect the upper protective sleeve and the middle protective sleeve, as well as the cables at each part inside the upper protective sleeve and the middle connecting sleeve, and knotted cables will not appear, making inspection more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a cable protection sleeve which is convenient for maintenance. Background Art

[0002] Substation refers to the place in the power system where voltage and current are transformed, electric energy is received and distributed. Prefabricated substations are electrically connected through cables or busbars, and all high and low voltage distribution devices and transformers are conventional standard products.

[0003] For example, a protective sleeve for the inspection and maintenance of electrical secondary prefabricated cables with the authorization announcement number "CN210838728U" solves the problems of existing protective sleeves for the inspection and maintenance of electrical secondary prefabricated cables. However, during the construction stage and operation inspection and maintenance, the cable plug is easily exposed to the outdoors without protective measures. When the cable is energized, the prefabricated cable plug is subject to grounding, short circuit and external force damage. The above-mentioned prefabricated cable plug can be effectively protected against short circuit and external force damage when it is energized during inspection and maintenance. Considering the existing protective sleeves for the inspection and maintenance of electrical secondary prefabricated cables, the cable plug is connected to the cable for inspection at the inspection position. In the face of line maintenance, the length of the cable is too long, and the cable is easily tangled during the movement process, resulting in inconvenience in inspection. Utility Model Content

[0004] The utility model aims to solve the problem that the existing protective sleeves for electrical secondary prefabricated cable maintenance are too long for line maintenance, and the cables are easy to get tangled during movement, resulting in inconvenience in maintenance. A cable protective sleeve that is easy to maintain is proposed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cable protection sleeve that is easy to maintain, comprising an upper sleeve and a groove, the inner wall of the upper sleeve is installed with a groove, the outer wall of the groove is provided with a fixing mechanism, the fixing mechanism comprises a sealing strip, the inner wall of the sealing strip is tightly pressed against the groove, the outer wall of the sealing strip is fixedly connected to the lower sleeve, the outer wall of the lower sleeve is threadedly connected to a first fixing ring, the end of the lower sleeve is fixedly connected to an upper connector, and the outer wall of the upper connector is threadedly connected to a second fixing ring.

[0006] Preferably, the inner wall of the upper connecting head is provided with a mounting mechanism, and the mounting mechanism includes a first semicircular ring, the outer wall of the first semicircular ring is fixedly connected to the upper connecting head, the outer wall of the first semicircular ring is tightly abutted against the upper connecting piece, the lower end of the upper connecting piece is fixedly connected to the first round block, and the outer wall of the first round block is tightly abutted against the middle connecting piece.

[0007] Preferably, the end of the upper sleeve is fixedly connected to the lower connecting head, and the outer wall of the lower connecting head is threadedly connected to the second fixing ring.

[0008] Preferably, the inner wall of the upper connector is fixedly connected to the second semicircular ring, the inner wall of the second semicircular ring is tightly pressed against the upper protective sleeve, the lower end of the upper protective sleeve is fixedly connected to the second round block, and the outer wall of the second round block is tightly pressed against the middle protective sleeve.

[0009] Preferably, a connecting groove is installed on the inner wall of the upper connecting member.

[0010] Preferably, the lower end of the sealing strip is fixedly connected to the lower connecting head, and the outer wall of the sealing strip is tightly abutted against the upper connecting head.

[0011] The utility model proposes a cable protection sleeve which is easy to maintain, and has the beneficial effect that multiple cables are separated and wrapped by the upper protective sleeve and the middle protective sleeve, and the interior of the upper protective sleeve and the middle connecting sleeve. When the cables are to be maintained, the first fixing ring or the second fixing ring can be twisted to selectively open the lower sleeve and the upper sleeve and the upper connector and the lower connector, and the upper connector or the upper protective sleeve can be manually pulled upward to realize maintenance of the upper protective sleeve and the middle protective sleeve, and the cables at each part inside the upper protective sleeve and the middle connecting sleeve, without the occurrence of tangled cables, and maintenance is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 for Figure 1 Schematic diagram of the cross-sectional structure in the middle front view;

[0014] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure in the middle side view;

[0015] Figure 4 for Figure 2 The enlarged structural diagram at A in the middle;

[0016] Figure 5 for Figure 3 The enlarged structural diagram at B in the middle;

[0017] Figure 6 for Figure 3 Enlarged structural diagram at point C in the middle.

[0018] In the figure: 1, upper sleeve, 2, groove, 3, fixing mechanism, 301, sealing strip, 302, lower sleeve, 303, first fixing ring, 304, upper connecting head, 305, second fixing ring, 4, installation mechanism, 401, first semicircular ring, 402, upper connecting piece, 403, first round block, 404, middle connecting piece, 5, lower connecting head, 6, second semicircular ring, 7, upper protective sleeve, 8, second round block, 9, middle protective sleeve, 10, connecting groove. DETAILED DESCRIPTION

[0019] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0020] See also Figure 1-6 The utility model provides a technical solution: a cable protection sleeve that is easy to repair, including an upper sleeve 1 and a groove 2, the inner wall of the upper sleeve 1 is provided with the groove 2, the outer wall of the groove 2 is provided with a fixing mechanism 3, the lower sleeve 302 and the upper sleeve 1 are threadedly connected through the inner wall of the first fixing ring 303, so as to achieve the effect of fixing the lower sleeve 302 and the upper sleeve 1, the fixing mechanism 3 includes a sealing strip 301, the inner wall of the sealing strip 301 is tightly against the groove 2, the outer wall of the sealing strip 301 is fixedly connected to the lower sleeve 302, the outer wall of the lower sleeve 302 is threadedly connected to the first fixing ring 303, the end of the lower sleeve 302 is fixedly connected to the upper connector 304, and the outer wall of the upper connector 304 is threadedly connected to the second fixing ring 305;

[0021] The upper protective sleeve 7 and the middle protective sleeve 9, as well as the upper protective sleeve 7 and the middle connecting sleeve 9, separately wrap multiple cables. When inspecting the cables, the first fixing ring 303 or the second fixing ring 305 can be twisted to selectively open the lower sleeve 302 and the upper sleeve 1 and the upper connector 304 and the lower connector 5, and manually pull the upper connector 402 or the upper protective sleeve 7 upwards to inspect the cables at each part of the upper protective sleeve 7 and the middle protective sleeve 9, and the cables will not be tangled, making inspection more convenient.

[0022] See also Figure 1 , Figure 2 and Figure 5The inner wall of the upper connecting head 304 is provided with a mounting mechanism 4, and the first round block 403 on the upper connecting member 402 is inserted into the interior of the middle connecting member 404 to achieve the installation effect between the upper connecting member 402 and the middle connecting member 404. The mounting mechanism 4 includes a first semicircular ring 401, and the outer wall of the first semicircular ring 401 is fixedly connected to the upper connecting head 304, and the outer wall of the first semicircular ring 401 is tightly pressed against the upper connecting member 402. The lower end of the upper connecting member 402 is fixedly connected to the first round block 403, and the outer wall of the first round block 403 is tightly pressed against the middle connecting member 404.

[0023] See also Figure 1 and Figure 2 The end of the upper sleeve 1 is fixedly connected to the lower connecting head 5, the outer wall of the lower connecting head 5 is threadedly connected to the second fixing ring 305, the inner wall of the upper connecting head 304 is fixedly connected to the second semicircular ring 6, the inner wall of the second semicircular ring 6 is tightly against the upper protective sleeve 7, the lower end of the upper protective sleeve 7 is fixedly connected to the second round block 8, and the outer wall of the second round block 8 is tightly against the middle protective sleeve 9.

[0024] See also Figure 1 and Figure 2 The inner wall of the upper connecting piece 402 is provided with a connecting groove 10 , the lower end of the sealing strip 301 is fixedly connected to the lower connecting head 5 , and the outer wall of the sealing strip 301 is tightly pressed against the upper connecting head 304 .

[0025] Working principle:

[0026] Maintenance phase

[0027] The maintenance personnel can then turn the first fixing ring 303 or the second fixing ring 305 to rotate the first fixing ring 303 on the lower sleeve 302 and the upper sleeve 1, and the second fixing ring 305 to rotate on the upper connecting head 304 and the lower connecting head 5, so that the lower sleeve 302 and the upper sleeve 1 are opened, and the upper connecting head 304 and the lower connecting head 5 are also opened, so that the sealing strip 301 is separated from the lower sleeve 302 and the lower sleeve 302. At this time, the upper connecting piece 402 and the middle connecting piece 404 inside are exposed, and the upper protective sleeve 7 and the middle protective sleeve 9 are also exposed, and the upper connecting piece 402 or the upper protective sleeve 7 can be manually pulled upwards according to the maintenance position, so that the first round block 403 and the second round block 8 on the upper connecting piece 402 or the upper protective sleeve 7 are separated from the middle connecting piece 704 and the middle connecting sleeve 9, so as to realize the maintenance of the cable placed in the connecting groove 10.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cable protection sleeve for easy maintenance, comprising an upper sleeve (1) and a groove (2), wherein the inner wall of the upper sleeve (1) is provided with the groove (2), characterized in that: The outer wall of the groove (2) is provided with a fixing mechanism (3), and the fixing mechanism (3) comprises a sealing strip (301), the inner wall of the sealing strip (301) is tightly abutted against the groove (2), the outer wall of the sealing strip (301) is fixedly connected to the lower sleeve (302), the outer wall of the lower sleeve (302) is threadedly connected to the first fixing ring (303), the end of the lower sleeve (302) is fixedly connected to the upper connector (304), and the outer wall of the upper connector (304) is threadedly connected to the second fixing ring (305).

2. The cable protection sleeve that is easy to maintain according to claim 1 is characterized in that: The inner wall of the upper connecting head (304) is provided with a mounting mechanism (4), and the mounting mechanism (4) comprises a first semicircular ring (401), the outer wall of the first semicircular ring (401) is fixedly connected to the upper connecting head (304), the outer wall of the first semicircular ring (401) is tightly abutted against the upper connecting piece (402), the lower end of the upper connecting piece (402) is fixedly connected to the first round block (403), and the outer wall of the first round block (403) is tightly abutted against the middle connecting piece (404).

3. The cable protection sleeve that is easy to maintain according to claim 1 is characterized in that: The end of the upper sleeve (1) is fixedly connected to the lower connecting head (5), and the outer wall of the lower connecting head (5) is threadedly connected to the second fixing ring (305).

4. The cable protection sleeve that is easy to maintain according to claim 1 is characterized in that: The inner wall of the upper connector (304) is fixedly connected to the second semicircular ring (6), the inner wall of the second semicircular ring (6) is tightly abutted against the upper protective sleeve (7), the lower end of the upper protective sleeve (7) is fixedly connected to the second round block (8), and the outer wall of the second round block (8) is tightly abutted against the middle protective sleeve (9).

5. The cable protection sleeve that is easy to maintain according to claim 2 is characterized in that: The inner wall of the upper connecting piece (402) is provided with a connecting groove (10).

6. The cable protection sleeve that is easy to maintain according to claim 1, characterized in that: The lower end of the sealing strip (301) is fixedly connected to the lower connecting head (5), and the outer wall of the sealing strip (301) is tightly abutted against the upper connecting head (304).

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