Telescopic silicone rubber insulator sleeve

Abstract

The utility model belongs to the field of insulators, and particularly relates to a telescopic silicone rubber insulator sleeve which comprises an insulating rubber tube and a fixing cap. A plurality of umbrella skirts distributed at intervals are arranged on the outer side wall of the insulating rubber tube; the fixing cap sleeves one end of the insulating rubber tube and is used for fixing the insulating rubber tube; a lead hole is formed in the fixing cap in a penetrating manner; the wire hole is communicated with an opening at one end of the insulating rubber tube to allow a wire to pass through. Wherein the insulating rubber tube is provided with a corrugated part between two adjacent umbrella skirts; the corrugated part comprises a clamping protrusion and a clamping groove which are arranged in the length direction of the insulating rubber hose, and the clamping protrusion and the clamping groove are both arranged on the inner side wall of the insulating rubber hose and can be detachably connected in a clamped mode. During clamping, the corrugation part is bent so that the corrugation part can protrude relative to the outer side of the insulating rubber tube to form a corrugation shape. Through the structure, the two adjacent umbrella skirts can be close to each other or far away from each other, so that the distance between the two adjacent umbrella skirts can be adjusted to adapt to different use scenes, the clamping bulges and the clamping grooves are convenient to connect, and the operation is simple and quick.

Description

Technical Field

[0001] The utility model belongs to the technical field of insulation, and in particular relates to a telescopic silicone rubber insulator sleeve. Background Art

[0002] An insulator is a device that uses insulating materials and special designs to increase creepage distance and thus block current; an insulator is usually in the shape of a cone. An insulator sleeve is a hollow insulating sleeve with multiple insulators on the outside. By sleeve-fitting the sleeve on the outside of the cable, multiple insulators can be fixed on the cable at the same time.

[0003] The insulator bushing in the prior art, such as a bushing insulator disclosed in Chinese utility model patent CN218333301U, comprises a bushing and an shed connected to the bushing; a through hole and a limit hole are provided on the shed; during assembly, the through hole is connected with the bushing, and the limit hole is connected with the limit rod beside the bushing, so that the sheds are connected to the bushing one by one, and then the sheds are fixed by the support seat to complete the connection between the bushing and the sheds. The patent makes the maintenance and replacement of the sheds more convenient through the detachable connection between the bushing and the sheds; in actual use, a spacer can be set between two adjacent sheds to adjust the distance between the two adjacent sheds as needed.

[0004] However, the method of artificially adding spacers based on the above utility model patent is rather cumbersome, and there is no technology in the prior art that can adjust the distance between two adjacent umbrella skirts, which brings inconvenience to actual use. Utility Model Content

[0005] The utility model aims to provide a telescopic silicone rubber insulator bushing, aiming to solve the technical problems in the prior art that it is difficult to adjust the distance between two adjacent sheds and it is not convenient in actual use.

[0006] To achieve the above-mentioned purpose, an embodiment of the utility model provides a telescopic silicone rubber insulator sleeve, comprising: an insulating hose, which is set in the shape of a through tube with two ends open for wires to pass through; a plurality of spaced sheds are provided on the outer wall of the insulating hose; and a fixing cap, which is sleeved on one end of the insulating hose for fixing the insulating hose; a wire hole is pierced on the fixing cap; the wire hole is connected with the opening at one end of the insulating hose to allow the wires to pass through; wherein, a wrinkle portion is provided on the insulating hose between two adjacent sheds; the wrinkle portion comprises a clamping protrusion and a clamping groove arranged along the length direction of the insulating hose, the clamping protrusion and the clamping groove are both arranged on the inner wall of the insulating hose, and the clamping protrusion and the clamping groove can be disassembled and clamped; when clamped, the wrinkle portion is bent so that it is convex relative to the outer side of the insulating hose to form a wrinkle shape.

[0007] Optionally, a guide groove is provided on the inner side wall of the insulating rubber tube between the clamping protrusion and the clamping groove; and a gripping portion is provided on the outer side wall of the insulating rubber tube at a position corresponding to the guide groove.

[0008] Optionally, a plurality of clamping protrusions are provided, and the plurality of clamping protrusions are distributed in a circumference on the insulating rubber tube.

[0009] Optionally, an outer side wall of the insulating rubber tube is provided with a first identification portion corresponding to the protrusion and a second identification portion corresponding to the groove.

[0010] Optionally, the first identification portion and / or the second mark are set as convex blocks; or, the first identification portion and / or the second mark are set as concave grooves.

[0011] Optionally, an insulating anti-skid tube is provided on the inner side of the insulating rubber tube, and the insulating anti-skid tube is used to fit tightly against the inner side wall of the insulating rubber tube.

[0012] Optionally, the outer surface of the insulating anti-skid tube is provided with an anti-skid layer.

[0013] Optionally, the fixing cap includes a top cover and a covering rail; one end of the covering rail is connected to the top cover; a connecting groove is formed between the inner side wall of the covering rail and the inner side wall of the top cover, and one end of the insulating hose is adapted to be plugged into the connecting groove.

[0014] Optionally, a gap is provided on the covering fence along its axial direction; the covering fence is provided with clamping blocks at both ends of the gap, and the clamping blocks are used to reduce the size of the connecting groove to clamp the insulating hose; connecting holes are symmetrically provided on the two clamping blocks, and bolts pass through the two connecting holes in turn to cooperate with nuts to lock the covering fence.

[0015] Optionally, the wire hole is arranged above the gap on the covering rail.

[0016] Compared with the prior art, the above one or more technical solutions in the telescopic silicone rubber insulator bushing provided by the embodiment of the utility model have at least one of the following technical effects:

[0017] The insulating rubber hose is provided with a wrinkle portion between two adjacent umbrella skirts, and the clamping protrusions and the clamping grooves on the wrinkle portion can be disassembled and clamped; when clamped, the wrinkle portion is bent, and the wrinkle portion is raised relative to the outer side of the insulating rubber hose to form a wrinkle shape, and the two adjacent umbrella skirts are close to each other at this time; when the clamping is released, the wrinkle portion is unbent and unfolded, and the two adjacent umbrella skirts are away from each other; through the above structure, the utility model enables the two adjacent umbrella skirts to be close to or away from each other, so as to adjust the distance between the two adjacent umbrella skirts to adapt to different usage scenarios, and the connection between the clamping protrusions and the clamping grooves is convenient, and the operation is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is an exploded view of the utility model.

[0020] Figure 2 Schematic diagram of the structure of the unfolded wrinkle.

[0021] Figure 3 It is a schematic diagram of the structure of the bending of the wrinkle part.

[0022] Figure 4 A cutaway view of the bend in the wrinkle.

[0023] Figure 5 for Figure 4 Enlarged schematic diagram of circle A in the middle.

[0024] Figure 6 It is a schematic diagram of the structure of the fixed cap.

[0025] Among them, the reference numerals in the figure are:

[0026] 1. Insulating hose; 2. Fixing cap;

[0027] 11. umbrella skirt; 12. wrinkled part; 121. clamping protrusion; 122. clamping groove; 123. guide groove; 124. gripping part; 125. first identification part; 126. second identification part; 13. insulating anti-skid tube; 131. anti-skid layer;

[0028] 21. Top cover; 22. Covering rail; 221. Wire hole; 222. Gap; 23. Clamping block; 231. Connecting hole; 24. Connecting groove. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0030] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0032] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it 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 the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0033] In the first embodiment of the present invention, a telescopic silicone rubber insulator sleeve is provided, which is made entirely of silicone or rubber. Figure 1-Figure 6 ,include:

[0034] The insulating rubber hose 1 is in the shape of a through tube with both ends open for the wire to pass through, and is used to be directly sleeved on the outside of the wire; the outer wall of the insulating rubber hose 1 is provided with a plurality of spaced sheds 11, and the plurality of sheds 11 are arranged along the length direction of the insulating rubber hose 1; the sheds 11 are in the shape of a cone or a circle, and the apex or the center of the shed 11 is located at the center of the insulating rubber hose 1 and faces upward; and

[0035] A fixing cap 2 is sleeved on one end of the insulating hose 1; a connecting piece is provided on the fixing cap 2, and the connecting piece is used to fix the insulating hose 1 so that the insulating sleeve is not easy to slip relative to the wire; the connecting piece can be set as a protrusion, a connecting ring, or a perforation; a wire hole 221 is pierced on the fixing cap 2; the wire hole 221 is connected to an opening at one end of the insulating hose 1 to allow the wire to pass through.

[0036] Furthermore, the insulating hose 1 is provided with a wrinkle portion 12 between two adjacent sheds 11; the wrinkle portion 12 includes a protrusion 121 and a groove 122 arranged along the length direction of the insulating hose 1, the protrusion 121 and the groove 122 are both arranged on the inner wall of the insulating hose 1, and the protrusion 121 and the groove 122 can be disassembled and connected; when connected, the wrinkle portion 12 is bent so that it bulges relative to the outer side of the insulating hose 1 to form a wrinkle shape.

[0037] Compared with the prior art, the above one or more technical solutions in the telescopic silicone rubber insulator bushing provided by the embodiment of the utility model have at least one of the following technical effects: the insulating rubber hose 1 is provided with a wrinkled portion 12 between two adjacent sheds 11, and the clamping protrusion 121 and the clamping groove 122 on the wrinkled portion 12 can be disassembled and clamped; when clamped, the wrinkled portion 12 is bent, and the wrinkled portion 12 is raised relative to the outer side of the insulating rubber hose 1 to form a wrinkled shape, and the two adjacent sheds 11 are close to each other at this time; when the clamping is released, the wrinkled portion 12 is unbent and unfolded, and the two adjacent sheds 11 are away from each other; through the above structure, the utility model allows the two adjacent sheds 11 to be close to or away from each other, so as to adjust the spacing between the two adjacent sheds 11 to adapt to different usage scenarios, and the connection between the clamping protrusion 121 and the clamping groove 122 is convenient, and the operation is simple and quick.

[0038] In another embodiment of the present invention, reference Figure 5 The inner wall of the insulating rubber tube 1 is provided with a guide groove 123 between the clamping protrusion 121 and the clamping groove 122, and the guide groove 123 is used to facilitate the bending of the wrinkled part 12; the outer wall of the insulating rubber tube 1 is provided with a gripping portion 124 at a position corresponding to the guide groove 123, and the gripping portion 124 is set in a block shape for easy gripping. By gripping and stretching the gripping portion 124 in the outward direction, the middle part of the wrinkled part 12 (i.e., the position corresponding to the guide groove 123) can be made to protrude outward, so that the clamping protrusion 121 is close to the clamping groove 122 for clamping, so that the distance between the two adjacent sheds 11 is reduced; or, the two ends of the wrinkled part 12 are squeezed toward the middle part (i.e., the position corresponding to the guide groove 123), so that the middle part of the wrinkled part 12 can also be made to protrude outward. When the two ends of the insulating hose 1 are stretched toward both sides respectively, the engagement between the protrusion 121 and the groove 122 can be released, so that the wrinkled portion 12 can be unfolded to expand the distance between the two adjacent umbrella skirts 11. The operation is simple and the use is convenient. It can be understood that when the wrinkled portion 12 is in the unfolded state, the protrusion 121 forms a bulge on the inner wall of the insulating hose 1. At this time, the protrusion 121 can increase the friction coefficient of the inner wall of the insulating hose 1, so that the insulating hose 1 is not easy to slip relative to the wire.

[0039] In another embodiment of the utility model, a plurality of protrusions 121 are provided, and the plurality of protrusions 121 are distributed in a circular pattern on the insulating rubber tube 1; the number and positions of the grooves 122 correspond to the protrusions 121, so that the wrinkled portion 12 forms a circular ring shape when bent and convex, with uniform force and a more stable shape.

[0040] In another embodiment of the present invention, reference Figure 2 and Figure 5The outer side wall of the insulating hose 1 is provided with a first identification portion 125 corresponding to the locking protrusion 121 and a second identification portion 126 corresponding to the locking groove 122. The first identification portion 125 and the second identification portion 126 are used to identify the positions of the locking protrusion 121 and the locking groove 122 from the outside, so as to facilitate external force to connect the locking protrusion 121 and the locking groove 122.

[0041] Further, the first identification portion 125 and the second identification portion 126 are set as a protrusion; or, one of the first identification portion 125 and the second identification portion 126 is set as a protrusion; or, the first identification portion 125 and the second identification portion 126 are set as a groove; or, one of the first identification portion 125 and the second identification portion 126 is set as a groove, so that the structure is simple, easy to identify, and convenient to produce and process.

[0042] In another embodiment of the present invention, reference Figure 4 An insulating anti-slip tube 13 is provided on the inner side of the insulating hose 1, and the outer wall of the insulating anti-slip tube 13 is close to the inner wall of the insulating hose 1, so as to increase the friction coefficient of the inner wall of the insulating hose 1, so that the wrinkled portion 12 in the bent and raised state is not easy to loosen, thereby further improving the stability of the bent and raised state; when the wrinkled portion 12 is in the expanded state, the protrusion 121 abuts against the outer wall of the insulating anti-slip tube 13, and at this time, the outer wall of the wrinkled portion 12 is arched relative to the outer wall of the insulating hose 1, but it can be understood that the arching amplitude of the wrinkled portion 12 can be ignored, which will not affect the realization of the insulating function of the insulating hose 1.

[0043] Furthermore, the outer surface of the insulating anti-skid tube 13 is provided with an anti-skid layer 131, such as a silicon sulfide layer, to improve the anti-skid effect.

[0044] In another embodiment of the present invention, reference Figure 6 The fixing cap 2 includes a top cover 21 and a covering rail 22; one end of the covering rail 22 is connected to the top cover 21; a connecting groove 24 is formed between the inner side wall of the covering rail 22 and the inner side wall of the top cover 21, and one end of the insulating hose 1 is adapted to be plugged into the connecting groove 24.

[0045] Furthermore, the covering fence 22 is provided with a gap 222 arranged along its axial direction, and the gap 222 is set as the opening of the connecting groove 24. The size of the connecting groove 24 can be adjusted by shortening or expanding the distance of the gap 222; the covering fence 22 is provided with clamping blocks 23 at both ends of the gap 222, and the clamping blocks 23 are used to reduce the size of the connecting groove 24 to clamp the insulating hose 1; specifically, the two clamping blocks 23 are provided with mutually symmetrical connecting holes 231, and the bolts pass through the two connecting holes 231 in turn to cooperate with the nuts to lock the covering fence 22, so that the covering fence 22 is tightly sleeved on one end of the insulating hose 1.

[0046] Furthermore, the wire hole 221 is disposed above the gap 222 on the covering fence 22, so that the wire hole 221 can guide the direction of the wires and at the same time, a margin can be provided between the two clamping blocks 23, so that the two clamping blocks 23 can be close to each other for connection.

[0047] The rest of this embodiment is the same as the first embodiment. The features not explained in this embodiment are all based on the explanations in the first embodiment and will not be described in detail here.

[0048] The above content is a further detailed description of the utility model in combination with specific preferred implementation methods, and it cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, its architecture can be flexible and can derive a series of products. Just making a few simple deductions or substitutions should be regarded as belonging to the patent protection scope of the utility model determined by the submitted claims.

Claims

1. A telescopic silicone rubber insulator bushing, characterized in that: include: The insulating rubber hose (1) is in the shape of a through-tube with two ends open for electric wires to pass through; the outer wall of the insulating rubber hose (1) is provided with a plurality of spaced sheds (11); and A fixing cap (2) is sleeved on one end of the insulating rubber hose (1) and is used to fix the insulating rubber hose (1); a wire hole (221) is formed on the fixing cap (2); the wire hole (221) is connected to an opening at one end of the insulating rubber hose (1) so that the wire can pass through; wherein, The insulating rubber tube (1) is provided with a wrinkle portion (12) between two adjacent sheds (11); the wrinkle portion (12) comprises a clamping protrusion (121) and a clamping groove (122) arranged along the length direction of the insulating rubber tube (1); the clamping protrusion (121) and the clamping groove (122) are both arranged on the inner side wall of the insulating rubber tube (1); the clamping protrusion (121) and the clamping groove (122) can be disassembled and clamped; when clamped, the wrinkle portion (12) is bent so that it is convex relative to the outer side of the insulating rubber tube (1) to form a wrinkle shape.

2. The telescopic silicone rubber insulator bushing according to claim 1, characterized in that: The inner wall of the insulating rubber tube (1) is provided with a guide groove (123) between the clamping protrusion (121) and the clamping groove (122); and the outer wall of the insulating rubber tube (1) is provided with a gripping portion (124) at a position corresponding to the guide groove (123).

3. The telescopic silicone rubber insulator bushing according to claim 1 or 2, characterized in that: A plurality of the clamping protrusions (121) are provided, and the plurality of the clamping protrusions (121) are distributed in a circular pattern on the insulating rubber tube (1).

4. The telescopic silicone rubber insulator bushing according to claim 1 or 2, characterized in that: The outer side wall of the insulating rubber tube (1) is provided with a first identification portion (125) corresponding to the locking protrusion (121) and a second identification portion (126) corresponding to the locking groove (122).

5. The telescopic silicone rubber insulator bushing according to claim 4, characterized in that: The first identification portion (125) and / or the second identification portion (126) are configured as convex blocks; or the first identification portion (125) and / or the second identification portion (126) are configured as concave grooves.

6. The telescopic silicone rubber insulator bushing according to claim 1 or 2, characterized in that: An insulating anti-skid tube (13) is provided on the inner side of the insulating rubber tube (1), and the outer side wall of the insulating anti-skid tube (13) is close to the inner side wall of the insulating rubber tube (1) so as to increase the friction coefficient of the inner side wall of the insulating rubber tube (1).

7. The telescopic silicone rubber insulator bushing according to claim 6, characterized in that: The outer surface of the insulating anti-skid tube (13) is provided with an anti-skid layer (131).

8. The telescopic silicone rubber insulator bushing according to claim 1 or 2, characterized in that: The fixing cap (2) comprises a top cover (21) and a covering rail (22); one end of the covering rail (22) is connected to the top cover (21); a connecting groove (24) is formed between the inner side wall of the covering rail (22) and the inner side wall of the top cover (21), and one end of the insulating rubber hose (1) is adapted to be plugged into the connecting groove (24).

9. The telescopic silicone rubber insulator bushing according to claim 8, characterized in that: The covering fence (22) is provided with a gap (222) arranged along its axial direction; the covering fence (22) is provided with clamping blocks (23) at both ends of the gap (222), and the clamping blocks (23) are used to reduce the size of the connecting groove (24) to clamp the insulating rubber hose (1); the two clamping blocks (23) are provided with symmetrical connecting holes (231), and bolts are sequentially passed through the two connecting holes (231) to cooperate with nuts to lock the covering fence (22).

10. The telescopic silicone rubber insulator bushing according to claim 9, characterized in that: The wire hole (221) is arranged above the gap (222) on the covering rail (22).

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