CN219936832U

CN219936832U - Distribution transformer business turn over line sheath head

Info

Publication number: CN219936832U
Application number: CN202321280459.2U
Authority: CN
Inventors: 陈建国
Original assignee: Nantong Ruitong Electromechanical Engineering Co ltd
Current assignee: Nantong Ruitong Electromechanical Engineering Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-10-31
Anticipated expiration: 2033-05-25

Abstract

The utility model provides a distribution transformer wire inlet and outlet sheath seal head, which comprises a transformer binding post, a cable body, a rubber sheath, a protective sleeve, a threaded column and a fastening sleeve, wherein the cable body is connected to the top of the transformer binding post, a cable sealing sleeve is sleeved on the cable body, the bottom of the cable sealing sleeve is connected with the rubber sheath, a self-locking binding belt is arranged at the bottom of the rubber sheath, the protective sleeve is sleeved outside the rubber sheath, the threaded column is sleeved outside the threaded column, the fastening sleeve is matched with the threaded column through the fastening sleeve, and when the fastening sleeve is screwed down, the threaded column is contracted inwards to tightly press the cable sealing sleeve, so that the cable sealing sleeve is tightly attached to the cable body, thereby preventing rainwater and dirt invasion, effectively protecting the rubber sheath, prolonging the service life of the rubber sheath, fixing the bottom of the rubber sheath on the transformer binding post, preventing the rubber sheath from falling off, improving the firmness of installation connection and reducing the occurrence of potential dangerous situations.

Description

Distribution transformer business turn over line sheath head

Technical Field

The utility model relates to a distribution transformer wire inlet and outlet sheath end socket, and belongs to the technical field of transformer sheaths.

Background

The insulating sheath of the transformer is formed by high-temperature compression molding of a silicon rubber material, has excellent electrical performance, ageing resistance and high and low temperature resistance, can be used under any condition, is an insulating safety protection article which is necessary to be matched with the wiring terminal of power equipment such as a transformer, and the like, and can effectively prevent the power failure accident caused by artificial contact, overlap joint of animals or sundries, wet flash salt fog, chemical gas corrosion and the like of the terminal of the power equipment which is exposed outside originally, thereby avoiding huge economic loss caused by the power failure.

The traditional transformer sheath is generally opened at the whole opening of side, covers the wiring position with the sheath when using, uses supporting button to buckle after closing the opening, and the sheath is infirm with the connection at wiring position under this kind of mounting means, and the interface department gap of sheath is big, and the contact of wire cable and sheath is loose at the access line position, is difficult to block the invasion of dust rainwater, needs a distribution transformer business turn over line sheath head to solve above-mentioned problem now.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the wire inlet and outlet sheath seal head of the distribution transformer so as to solve the problems in the prior art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a distribution transformer business turn over line sheath head, includes transformer terminal, cable body, rubber sheath, protective sheath, screw thread post and adapter sleeve, transformer terminal top is connected with the cable body, the cover has the cable seal cover on the cable body, rubber sheath is connected to cable seal cover bottom, rubber sheath bottom is provided with the auto-lock ribbon, rubber sheath overcoat has the protective sheath, the protective sheath top is provided with the screw thread post, screw thread post overcoat has the adapter sleeve.

Further, anti-skidding lines are uniformly distributed on the fastening sleeve and are vertically arranged.

Further, the threaded column is provided with four notches, the notches are arranged on the threaded column at equal intervals, the tops of the notches are flush with the tops of the threaded column, and the bottoms of the notches are not provided with the bottoms of the threaded column.

Further, the cross-sectional dimension of the top of the threaded column is smaller than the cross-sectional dimension of the bottom surface, so that the diameters of the threads on the threaded column gradually increase from the top to the bottom.

Further, the shape of the inner space of the fastening sleeve is the same as that of the threaded column but the size of the inner space of the fastening sleeve is smaller than that of the fastening sleeve, and the threads in the fastening sleeve are matched with the sizes of the threads on the threaded column.

Further, the size of the rubber sheath is larger than that of the transformer binding post, and the bottom of the rubber sheath is sleeved on the transformer binding post.

By adopting the technical scheme, the utility model has the beneficial effects that: through setting up the adapter sleeve and screw thread post cooperation, can when screwing up the adapter sleeve, thereby the screw thread post can inwards shrink compresses tightly the cable seal cover, makes cable seal cover and the inseparable laminating of cable body to block the invasion and attack of rainwater dirt, the protective sheath can effectually protect the rubber sheath, improves its life, and self-locking ribbon can fix rubber sheath bottom on the transformer terminal, prevents the drop of rubber sheath, has improved the firm degree of installation connection, reduces the emergence of potential dangerous condition.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a distribution transformer access sheath head according to the present utility model;

FIG. 2 is a cross-sectional view of a distribution transformer access line jacket closure according to the present utility model;

FIG. 3 is a schematic view of a portion of a protective jacket in a distribution transformer access sheath head according to the present utility model;

FIG. 4 is a schematic view of a rubber sheath in an inlet and outlet sheath head of a distribution transformer according to the present utility model;

FIG. 5 is a schematic view of a fastening sleeve in an inlet and outlet sheath head of a distribution transformer according to the present utility model;

in the figure: 1-transformer binding post, 2-cable body, 3-rubber sheath, 31-cable seal cover, 32-self-locking ribbon, 4-protective sleeve, 41-screw thread post, 42-notch, 5-fastening sleeve, 51-anti-skid pattern.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purposes and the effects of the present utility model easy to understand, the present utility model is further described below in conjunction with the detailed description.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a distribution transformer business turn over line sheath head, including transformer terminal 1, cable body 2, rubber sheath 3, protective sheath 4, screw thread post 41 and adapter sleeve 5, transformer terminal 1 top is connected with cable body 2, the cover has cable seal cover 31 on the cable body 2, cable seal cover 31 bottom connection rubber sheath 3, rubber sheath 3 bottom is provided with auto-lock ribbon 32, rubber sheath 3 overcoat has protective sheath 4, protective sheath 4 top is provided with screw thread post 41, screw thread post 41 overcoat has adapter sleeve 5, thereby through setting up adapter sleeve 5 and screw thread post 41 cooperation, can, thereby screw thread post 41 can inwards shrink and compress tightly cable seal cover 31 when tightening adapter sleeve 5, make cable seal cover 31 closely laminate with cable body 2, thereby prevent the invasion of rainwater dirt, protective sheath 4 can effectually protect rubber sheath 3, improve its life, auto-lock ribbon 32 can fix rubber sheath 3 bottom on transformer terminal 1, prevent the drop of rubber sheath 3, the firm degree of installation connection has been improved, the emergence of potential dangerous condition is reduced.

The anti-skid patterns 51 are uniformly distributed on the fastening sleeve 5, the anti-skid patterns 51 are vertically arranged, friction force is improved, and the fastening sleeve 5 is convenient to screw.

The notch 42 has been seted up on the screw thread post 41, and notch 42 is provided with four altogether, and notch 42 equidistant setting is on screw thread post 41, and notch 42 top flushes with screw thread post 41 top, and the screw thread post 41 bottom is not seted up to the notch 42 bottom, and notch 42 equally divide into four with the upper and middle position of screw thread post 41, can inwards extrude simultaneously when receiving the external force of adapter sleeve 5, and notch 42 provides corresponding deformation space for the extrusion simultaneously.

The cross-sectional dimension of the top of the threaded column 41 is smaller than that of the bottom, so that the diameter of the thread on the threaded column 41 from top to bottom is gradually increased, and the threaded column is convenient to be matched with the fastening sleeve 5.

The shape of the inner space of the fastening sleeve 5 is the same as that of the threaded column 41 but the size of the inner space is smaller than that of the fastening sleeve 5, and the threads in the fastening sleeve 5 are matched with the sizes of the threads on the threaded column 41, so that the fastening sleeve 5 can conveniently generate pressure on the threaded column 41 in the screwing process.

The size of the rubber sheath 3 is larger than that of the transformer binding post 1, the bottom of the rubber sheath 3 is sleeved on the transformer binding post 1, the rubber sheath 3 is convenient to install on the transformer binding post 1, and the installation firmness is guaranteed.

As an embodiment of the present utility model: before wiring, firstly, the fastening sleeve 5, the protective sleeve 4 and the rubber sheath 3 are sequentially sleeved on the cable body 2, then wiring operation is carried out, after wiring is completed, the rubber sheath 3 is pushed down, the bottom of the rubber sheath 3 is sleeved on the transformer binding post 1, then the self-locking binding belt 32 is tensioned, the rubber sheath 3 is fixed on the transformer binding post 1, the protective sleeve 4 is pushed down, the protective sleeve 4 covers the rubber sheath 3, meanwhile, the cable sealing sleeve 31 is ensured to extend out of the threaded column 41, the fastening sleeve 5 is pushed down onto the threaded column 41 and is screwed down, the threaded column 41 is contracted inwards in the screwing process, the notch 42 provides deformation space for contraction of the threaded column 41, the contracted threaded column 41 extrudes the cable sealing sleeve 31, the cable sealing sleeve 31 is tightly attached to the cable body 2, and at the moment, the protective sleeve 4 is also fixed outside the rubber sheath 3, so that mounting work is completed.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a distribution transformer business turn over line sheath head, includes transformer terminal (1), cable body (2), rubber sheath (3), protective sheath (4), screw thread post (41) and adapter sleeve (5), its characterized in that: the transformer terminal (1) top is connected with cable body (2), the cover has cable seal cover (31) on cable body (2), rubber sheath (3) are connected to cable seal cover (31) bottom, rubber sheath (3) bottom is provided with auto-lock ribbon (32), rubber sheath (3) overcoat has protective sheath (4), protective sheath (4) top is provided with screw thread post (41), screw thread post (41) overcoat has fastening cover (5).

2. The distribution transformer access line sheath head of claim 1, wherein: anti-skidding lines (51) are uniformly distributed on the fastening sleeve (5), and the anti-skidding lines (51) are vertically arranged.

3. The distribution transformer access line sheath head of claim 1, wherein: notch (42) have been seted up on screw thread post (41), notch (42) are provided with four altogether, notch (42) equidistant setting is on screw thread post (41), notch (42) top flushes with screw thread post (41) top, notch (42) bottom is not seted up screw thread post (41) bottom.

4. The distribution transformer access line sheath head of claim 1, wherein: the cross-sectional dimension of the top of the threaded column (41) is smaller than the cross-sectional dimension of the bottom surface, so that the diameter of the thread on the threaded column (41) gradually increases from the top to the bottom.

5. The distribution transformer access line sheath head of claim 1, wherein: the shape of the inner space of the fastening sleeve (5) is the same as that of the threaded column (41) but the size of the inner space is smaller than that of the fastening sleeve (5), and the threads in the fastening sleeve (5) are matched with the sizes of the threads on the threaded column (41).

6. The distribution transformer access line sheath head of claim 1, wherein: the size of the rubber sheath (3) is larger than that of the transformer binding post (1), and the bottom of the rubber sheath (3) is sleeved on the transformer binding post (1).