Enamel sleeve structure

Abstract

The utility model discloses an enamel sleeve structure, and relates to the technical field of sleeve structures. Comprising an outer covering sleeve, an inner connecting sleeve is sleeved with the outer covering sleeve, the outer edge of the end, facing the interior of the outer covering sleeve, of the inner connecting sleeve is fixedly connected with a plurality of evenly-distributed connecting outer teeth, and the inner wall of the end, facing the inner connecting sleeve, of the outer covering sleeve is fixedly connected with a plurality of evenly-distributed connecting inner teeth; the connecting outer teeth and the connecting inner teeth are in one-to-one correspondence, and the side, facing the inner connecting sleeve, of each connecting outer tooth makes contact with the side, facing the outer covering sleeve, of each connecting inner tooth. Through the arrangement of the connecting inner teeth and the connecting outer teeth, the two enamel sleeves rotate after being connected in an inserted mode, the two enamel sleeves can be connected together through the overlapping of the connecting inner teeth and the connecting outer teeth, meanwhile, the connecting inner teeth and the connecting outer teeth are prevented from being separated through the arrangement of the inner sliding springs and the inner sliding blocks, and therefore the enamel sleeves can be connected through the connecting inner teeth and the connecting outer teeth with the small rotating amplitude. And completing the connection of the outer covering sleeve and the inner connecting sleeve.

Description

Technical Field

[0001] This utility model relates to the field of sleeve structure technology, specifically to enamel sleeve structure. Background Technology

[0002] Bushing structures are used for connections between switchgear in power distribution systems. With the development of the social economy and the increase in investment in construction projects, the market demand for switchgear and unit cabinets in power distribution systems is increasing. Previously, unit cabinets were connected via cables, jumpers, or shielded busbars, resulting in large gaps between cabinets, large floor space for the power distribution system, and increased investment. Furthermore, connecting cabinets on-site placed high demands on the construction environment and construction capabilities, increasing construction difficulty and uncertainties. Later, the paralleling operation was completed at the manufacturer, resulting in standardized construction and stable electrical performance. During this process, the demand for bushings for paralleling unit cabinets has gradually increased. A new type of bushing structure (announcement number: CN216928201U) has revealed at least the following defects in use:

[0003] In practical applications, the sleeve is usually connected by the thread on the sleeve. However, the enamel sleeve is usually placed in a relatively small resistor box, making it difficult to rotate it many times. Insufficient rotation may cause the enamel sleeve to loosen during placement, affecting the insulation effect. Therefore, an enamel sleeve structure was developed. Utility Model Content

[0004] The main purpose of this utility model is to provide an enamel sleeve structure, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] The enamel sleeve structure includes an outer sleeve, inside which an inner sleeve is fitted. Multiple evenly distributed external connecting teeth are fixedly connected to the outer edge of the inner sleeve facing the inner side of the outer sleeve. Multiple evenly distributed internal connecting teeth are fixedly connected to the inner wall of the outer sleeve facing the inner sleeve. The external connecting teeth and internal connecting teeth correspond one-to-one, and each external connecting tooth's side facing the inner sleeve contacts one internal connecting tooth's side facing the outer sleeve. Furthermore, each external connecting tooth passes between two adjacent internal connecting teeth.

[0007] Preferably, a plurality of inner sliders are provided between the inner walls of the outer sleeve, and each inner slider is slidably connected to the opposite sides of two adjacent connecting inner teeth on both sides, and each inner slider is slidably connected to the opposite sides of two adjacent connecting outer teeth on both sides.

[0008] Preferably, multiple inner sliding frames are fixedly connected between the inner walls of the outer sleeve, each inner sliding frame corresponds to an inner slider, and each inner slider is slidably connected to the corresponding inner sliding frame. An inner sliding spring is fixedly connected to the inner wall of each inner sliding frame, and each inner sliding spring is fixedly connected to the corresponding inner slider.

[0009] Preferably, the outer edge of the inner sleeve has multiple evenly distributed grooves, each groove corresponding to an inner slider, and a slider is slidably connected between the inner walls of each groove. The outer edges of all the sliders are fixedly connected to a starting slip ring, and multiple pushing rods are fixedly connected to the side of the starting slip ring facing the outer sleeve, each pushing rod corresponding to an inner slider.

[0010] Preferably, an elastic locking block is fixedly connected between the inner wall of one end of each of the slide grooves facing away from the outer sleeve, and each elastic locking block is engaged with the corresponding slider.

[0011] Preferably, one side of each push rod is flush with the corresponding side of the inner slider, and the inner walls of both sides of the inner slider frame are flush with the opposite sides of the two corresponding connecting inner teeth.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] By using the connecting inner and outer teeth, the two enamel sleeves can be connected together by overlapping the connecting inner and outer teeth after being inserted and rotated. At the same time, the inner sliding spring and inner slider prevent the connecting inner and outer teeth from separating, thus completing the connection between the outer sleeve and the inner sleeve with a small rotation range. Attached Figure Description

[0014] Figure 1 This is an isometric view of the present invention;

[0015] Figure 2 This is a schematic diagram of the outer sleeve structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the inner sleeve structure of this utility model.

[0017] In the diagram: 101, outer sleeve; 102, inner sliding frame; 103, inner slider; 104, inner sliding spring; 105, connecting inner teeth; 201, inner connecting sleeve; 202, connecting outer teeth; 203, sliding groove; 204, elastic locking block; 205, starting slip ring; 206, pushing rod. Detailed Implementation

[0018] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0019] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used 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. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; 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 a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] Please see Figures 1-3 This utility model provides a technical solution:

[0022] The enamel sleeve structure includes an outer sleeve 101, with an inner sleeve 201 fitted inside the outer sleeve 101. Multiple evenly distributed connecting external teeth 202 are fixedly connected to the outer edge of the inner sleeve 201 facing the interior of the outer sleeve 101. Multiple evenly distributed connecting internal teeth 105 are fixedly connected to the inner wall of the outer sleeve 101 facing the inner sleeve 201. The connecting external teeth 202 and connecting internal teeth 105 correspond one-to-one, and each connecting external tooth 202 has one side facing the inner sleeve 201 in contact with one connecting internal tooth 105 facing the outer sleeve 101. Each connecting external tooth 202 passes between two adjacent connecting internal teeth 105. In this embodiment, each connecting external tooth 202 is aligned with the gap between each connecting internal tooth 105, and then the inner sleeve 201 is rotated so that each connecting external tooth 202 and the adjacent connecting internal tooth 105 overlap, thereby connecting the outer sleeve 101 and the inner sleeve 201 to each other.

[0023] Multiple inner sliders 103 are provided between the inner walls of the outer sleeve 101. Each inner slider 103 is slidably connected to the opposite sides of two adjacent connecting inner teeth 105 on both sides, and is also slidably connected to the opposite sides of two adjacent connecting outer teeth 202 on both sides. Multiple inner sliding frames 102 are fixedly connected between the inner walls of the outer sleeve 101. Each inner sliding frame 102 corresponds to an inner slider 103, and each inner slider 103 is slidably connected to its corresponding inner sliding frame 102. An inner sliding spring 104 is fixedly connected to the inner wall of each inner sliding frame 102, and each inner sliding spring 104 is fixedly connected to its corresponding inner slider 103. In this embodiment, when the inner sleeve 201 and the outer sleeve 101 come into contact, the inner slider 103 will be pushed to slide inward until the connecting outer tooth 202 and the connecting inner tooth 105 disengage. When the connecting outer tooth 202 and the connecting inner tooth 105 rotate to overlap, the inner slider 103 falls back, so that the outer sleeve 101 and the inner sleeve 201 can no longer be separated.

[0024] The outer edge of the inner sleeve 201 has multiple evenly distributed grooves 203, each groove 203 corresponding to an inner slider 103. A slider is slidably connected between the inner walls of each groove 203. A starting slip ring 205 is fixedly connected to the outer edge of all sliders. Multiple pushing rods 206 are fixedly connected to the side of the starting slip ring 205 facing the outer sleeve 101, each pushing rod 206 corresponding to an inner slider 103. An elastic locking block 204 is fixedly connected between the inner walls of each groove 203 facing away from the outer sleeve 101, each elastic locking block 204 engaging with its corresponding slider. One side of each pushing rod 206 is flush with the corresponding side of the inner slider 103. The inner walls of both sides of the inner sliding frame 102 are flush with the opposite sides of the two corresponding connecting inner teeth 105. In this embodiment, to separate the inner sleeve 201 and the outer sleeve 101, the inner slider 103 is pushed into the outer sleeve 101 by pushing the starting slip ring 205, so that the connecting outer tooth 202 can disengage from the connecting inner tooth 105. After the connecting outer tooth 202 and the inner slider 103 come into contact, the starting slip ring 205 is pulled down, and the inner sleeve 201 is rotated again to disengage from the outer sleeve 101.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended embodiments and their equivalents.

Claims

1. An enamel-lined sleeve structure, comprising an outer sleeve (101), characterized in that: An inner sleeve (201) is fitted inside the outer sleeve (101). The outer edge of the inner sleeve (201) facing the inside of the outer sleeve (101) is fixedly connected with a plurality of evenly distributed connecting external teeth (202). The inner wall of the outer sleeve (101) facing the inner sleeve (201) is fixedly connected with a plurality of evenly distributed connecting internal teeth (105). The connecting external teeth (202) and the connecting internal teeth (105) correspond one-to-one. Each connecting external tooth (202) facing the inner sleeve (201) is in contact with a connecting internal tooth (105) facing the outer sleeve (101). Each connecting external tooth (202) passes through the space between two adjacent connecting internal teeth (105).

2. The enamel sleeve structure according to claim 1, characterized in that: Multiple inner sliders (103) are provided between the inner walls of the outer sleeve (101). Each inner slider (103) is slidably connected to the opposite sides of two adjacent connecting inner teeth (105) on both sides, and each inner slider (103) is slidably connected to the opposite sides of two adjacent connecting outer teeth (202) on both sides.

3. The enamel sleeve structure according to claim 2, characterized in that: Multiple inner sliding frames (102) are fixedly connected between the inner walls of the outer sleeve (101). Each inner sliding frame (102) corresponds to an inner slider (103), and each inner slider (103) is slidably connected to the corresponding inner sliding frame (102). An inner sliding spring (104) is fixedly connected to the inner wall of each inner sliding frame (102), and each inner sliding spring (104) is fixedly connected to the corresponding inner slider (103).

4. The enamel sleeve structure according to claim 3, characterized in that: The outer edge of the inner sleeve (201) has multiple evenly distributed grooves (203), each groove (203) corresponds to an inner slider (103), and a slider is slidably connected between the inner walls of each groove (203). The outer edges of all the sliders are fixedly connected to a starting slip ring (205). The starting slip ring (205) is fixedly connected to a plurality of push rods (206) on the side facing the outer sleeve (101), and each push rod (206) corresponds to an inner slider (103).

5. The enamel sleeve structure according to claim 4, characterized in that: Each of the slide grooves (203) is fixedly connected to an elastic block (204) between the inner wall of one end facing away from the outer sleeve (101), and each elastic block (204) is engaged with the corresponding slider.

6. The enamel sleeve structure according to claim 4, characterized in that: One side of each of the push rods (206) is flush with the corresponding side of the inner slider (103), and the inner walls of both sides of the inner sliding frame (102) are flush with the opposite sides of the two connecting inner teeth (105).

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