Separable prefabricated intermediate joint for cable equipment and cable equipment

Abstract

The utility model relates to a separable prefabricated intermediate joint for cable equipment and the cable equipment, the separable prefabricated intermediate joint comprises an intermediate joint body, a stress cone assembly, a wiring terminal assembly and a connecting assembly, the interior of the intermediate joint body is hollow, and two ends of the intermediate joint body are respectively a first connecting port and a second connecting port; the stress cone assembly comprises a first stress cone and a second stress cone, the first stress cone is installed at the first connecting port and used for being matched with a first cable, and the second stress cone is installed at the second connecting port and used for being matched with a second cable; the wiring terminal assembly is installed in the intermediate joint body, the wiring terminal assembly comprises a first wiring terminal and a second wiring terminal, the connecting end of the first wiring terminal is used for being connected with a first cable, and the connecting end of the second wiring terminal is used for being connected with a second cable; the connecting assembly is used for locking the locking end of the first wiring terminal and the locking end of the second wiring terminal. According to the technical scheme, the stress cone is arranged to be matched with the cable and the connecting port of the intermediate joint body, and two cables with different cable diameters can be connected under the action of the stress cone.

Description

Technical Field

[0001] The utility model relates to the field of cable connection equipment, in particular to a detachable prefabricated intermediate joint for cable equipment and the cable equipment. Background Art

[0002] In the power system, an intermediate joint is needed between cables to connect two cables, realize the functions of electric field control and electrical insulation, and be used as electrical current. The existing connectors are mainly used to simply connect two cables. When the diameters of the two cables to be connected are different, the existing intermediate joints cannot meet the connection requirements. Utility Model Content

[0003] In view of the above problems, the present application provides a detachable prefabricated intermediate joint and cable equipment for cable equipment, which are used to solve the technical problem that the existing intermediate joint cannot meet the connection requirements when the diameters of two cables to be connected are different.

[0004] To achieve the above-mentioned objectives, in the first aspect, the inventor provides a detachable prefabricated intermediate joint for cable equipment, comprising an intermediate joint body, a stress cone assembly, a terminal assembly and a connecting assembly, wherein the interior of the intermediate joint body is hollow, and the two ends of the intermediate joint body are respectively a first connecting port and a second connecting port; the stress cone assembly comprises a first stress cone and a second stress cone, the first stress cone is installed at the first connecting port, and the first stress cone is used to cooperate with a first cable, and the second stress cone is installed at the second connecting port, and the second stress cone is used to cooperate with a second cable; the terminal assembly is installed in the intermediate joint body, the terminal assembly comprises a first terminal and a second terminal, the connecting end of the first terminal is used to connect to the first cable, and the connecting end of the second terminal is used to connect to the second cable; the connecting assembly is used to lock the locking end of the first terminal and the locking end of the second terminal.

[0005] Different from the prior art, the technical solution of the present application sets a stress cone that cooperates with the cable and also cooperates with the connection port of the intermediate joint body. Under the action of the stress cone, two cables with different wire diameters can be connected. Specifically, the stress cone is put on the outer shielding layer of the cable. The terminal is connected to the conductor of the cable, and the two terminal blocks are locked by the connecting assembly to form a reliable electrical path.

[0006] As an implementation mode of the present utility model, the locking end of the first wiring terminal is a first locking hole, and the locking end of the second wiring terminal is a second locking hole.

[0007] In this way, the locking end of the wiring terminal is set as a locking hole, which has a simple structure and is convenient for subsequent connection of the connection components.

[0008] As an implementation mode of the present utility model, the connection assembly includes a first connection member, the first locking hole and the second locking hole are staggered along a first direction, and the first connection member is used to lock the first locking hole and the second locking hole.

[0009] In this way, by staggeredly arranging the first locking hole and the second locking hole along the first direction, the center points of the first locking hole and the second locking hole are located on the same axis, thereby facilitating the first connector to lock the two connecting terminals.

[0010] As an implementation manner of the present utility model, the first connecting member is a first screw or a first bolt.

[0011] In this way, the first screw or the first bolt has a simple structure and is convenient for locking the first locking hole and the second locking hole.

[0012] As an embodiment of the utility model, the connecting assembly includes a connecting copper busbar, a second connecting member and a third connecting member. The connecting copper busbar is connected to the first locking hole and the second locking hole. The second connecting member cooperates with the first locking hole to lock the connecting copper busbar. The third connecting member cooperates with the second locking hole to lock the connecting copper busbar.

[0013] In this way, the two wiring terminals are connected by setting a connecting copper bar and connected by two connecting pieces. Under the action of the connecting copper bar, the cable can be extended in phase to ensure the butt-jointing length of the two cables.

[0014] As an implementation manner of the utility model, the second connecting member is a second screw or a second bolt, and the third connecting member is a third screw or a third bolt.

[0015] The second screw or the second screw, the third screw or the third bolt has a simple structure and is convenient for locking the first locking hole and the second locking hole.

[0016] As an implementation mode of the utility model, the first locking hole and the connecting end of the first wiring terminal are arranged obliquely, and the second locking hole and the connecting end of the second wiring terminal are arranged obliquely.

[0017] In this way, the first terminal and the second terminal are both eccentric terminals, that is, their locking holes and connecting ends are not on the same horizontal plane. Optionally, the locking hole is arranged to contact the inner side of the bottom of the intermediate joint body, and the connecting end is located in the middle of the interior of the intermediate joint body, so as to facilitate the connection of the copper bar with the locking hole and the connecting piece.

[0018] As an embodiment of the present invention, the connection end of the first terminal and the connection end of the second terminal are both hollow columnar structures. Thus, the end of the corresponding cable (ie, the conductor of the cable) is inserted into the hollow structure of the terminal.

[0019] As an implementation mode of the present utility model, the intermediate joint body is made of rubber or resin.

[0020] To achieve the above-mentioned objectives, in a second aspect, the inventor provides a cable device, comprising a detachable prefabricated intermediate joint for a cable device as described above by the inventor, a first cable, and a second cable, wherein the end of the first cable is installed at a first connection port through a first stress cone, and the end of the second cable is installed at a second connection port through a second stress cone.

[0021] Different from the prior art, the technical solution of the present application matches two cables with the connecting port through a stress cone, and under the action of the stress cone, two cables with different wire diameters can be connected.

[0022] The above-mentioned records related to the content of the utility model are only an overview of the technical solution of the present application. In order to enable ordinary technicians in the field to more clearly understand the technical solution of the present application, and then implement it according to the text of the specification and the contents recorded in the drawings, and to make the above-mentioned purpose and other purposes, features and advantages of the present application easier to understand, the following is an explanation in combination with the specific implementation method and drawings of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of the present application and other related contents, and shall not be considered as limitations of the present application.

[0024] In the drawings of the specification:

[0025] Figure 1 A schematic diagram of a cable device according to an embodiment of the present application;

[0026] Figure 2 for Figure 1 A magnified view of middle;

[0027] Figure 3 Another schematic diagram of a cable device according to an embodiment of the present application;

[0028] Figure 4 for Figure 3 Enlarged view of middle B;

[0029] Figure 5 This is a schematic diagram of a first terminal according to an embodiment of the present application.

[0030] The reference numerals in the above drawings are described as follows:

[0031] 100-cable equipment; 1-separable prefabricated intermediate joint; 11-intermediate joint body; 12-stress cone assembly; 121-first stress cone; 122-second stress cone; 13-terminal assembly; 131-first terminal; 1311-connecting end; 1312-locking end; 132-second terminal; 14-connection assembly; 141-first connecting piece; 142-connecting copper busbar; 143-second connecting piece; 144-third connecting piece; 2-first cable; 3-second cable; a-first direction. DETAILED DESCRIPTION

[0032] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0033] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0034] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0035] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.

[0036] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0037] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0038] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0039] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0040] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0041] According to some embodiments of the present application, please refer to Figures 1 to 3This embodiment relates to a cable device 100, including a detachable prefabricated intermediate joint 1 for the cable device 100, a first cable 2 and a second cable 3, the end of the first cable 2 is installed at the first connection port through a first stress cone 121, and the end of the second cable 3 is installed at the second connection port through a second stress cone 122.

[0042] The installation principle of the cable device 100 is as follows: two first cables 2 and second cables 3 of different specifications are respectively inserted into the first stress cone 121 and the second stress cone 122, and then the first cables 2 and the second cables 3 are respectively crimped onto the first wiring terminal 131 and the second wiring terminal 132. Figure 1 As shown, the connection assembly 14 includes a first connection member 141, and the first connection member 141 is used to fasten the two terminals to form an electrical connection. Finally, the prefabricated intermediate joint body 11 is put on to achieve electrical connection of cables of different specifications installed on both sides of the intermediate joint. Figure 3 As shown, the connection assembly 14 includes a connecting copper busbar 142, a second connecting piece 143 and a third connecting piece 144. The connecting copper busbar 142 is used to connect the two terminals, and then the two terminals are locked by the second connecting piece 143 and the third connecting piece 144. Finally, the prefabricated intermediate joint body 11 is put on to realize the extension connection of the cable.

[0043] The technical solution of the present application matches two cables with the connecting port through a stress cone, and under the action of the stress cone, two cables with different wire diameters can be connected.

[0044] According to some embodiments of the present application, please refer to Figures 1 to 5 The present embodiment also relates to a detachable prefabricated intermediate joint 1 for a cable device 100, comprising an intermediate joint body 11, a stress cone assembly 12, a terminal assembly 13 and a connecting assembly 14, wherein the interior of the intermediate joint body 11 is hollow, and the two ends of the intermediate joint body 11 are respectively a first connecting port and a second connecting port; the stress cone assembly 12 comprises a first stress cone 121 and a second stress cone 122, wherein the first stress cone 121 is installed at the first connecting port, and the first stress cone 121 is used to cooperate with the first cable 2, and the second stress cone 122 is installed at the second connecting port, and the second stress cone 122 is used to cooperate with the second cable 3; the terminal assembly 13 is installed in the intermediate joint body 11, and the terminal assembly 13 comprises a first terminal 131 and a second terminal 132, wherein the connecting end 1311 of the first terminal 131 is used to connect with the first cable 2, and the connecting end of the second terminal 132 is used to connect with the second cable 3; the connecting assembly 14 is used to lock the locking end 1312 of the first terminal 131 and the locking end of the second terminal 132.

[0045] The terminal block is used as a transfer connection in various types of electric control and distribution equipment, complete sets of equipment, multi-circuit meter boxes and combined terminal electrical boxes. The terminal block has firm and reliable wiring and is flexible and convenient to use. It can be used as a busbar, high current terminal, zero connection, grounding terminal, and equipotential terminal in various electrical devices. Optionally, the terminal block is made of conductive materials such as copper and aluminum.

[0046] The conventional intermediate joint conductor connection method uses a copper tube to crimp and fix the cable conductors on both sides. This connection method cannot be disassembled after the connecting copper tube is compressed, and the two cables cannot be removed freely, which is inconvenient for maintenance. Therefore, the technical solution of the present application sets a stress cone that cooperates with the cable and also cooperates with the connection port of the intermediate joint body 11. The stress cone can match cables of various wire diameters and can realize the free combination of cables with various insulation diameters, so that two cables with different wire diameters can be connected. Specifically, the stress cone will be put on the outer shielding layer of the cable. The terminal is connected to the conductor of the cable, and the two terminals are locked by the connecting component 14 to form a reliable electrical path.

[0047] According to some embodiments of the present application, optionally, Figure 5 As shown, the locking end 1312 of the first wiring terminal 131 is a first locking hole, and the locking end of the second wiring terminal 132 is a second locking hole.

[0048] In this way, the locking end 1312 of the connection terminal is set as a locking hole, which has a simple structure and is convenient for subsequent connection of the connection component 14.

[0049] According to some embodiments of the present application, optionally, Figure 1 and Figure 2 As shown, the connecting component 14 includes a first connecting member 141, and the first locking holes and the second locking holes are alternately arranged along the first direction a. The first connecting member 141 is used to lock the first locking hole and the second locking hole.

[0050] In this way, by staggeredly arranging the first locking holes and the second locking holes along the first direction a, the center points of the first locking holes and the second locking holes are located on the same axis, thereby facilitating the first connector 141 to lock the two connection terminals.

[0051] According to some embodiments of the present application, optionally, the first connecting member 141 is a first screw or a first bolt.

[0052] In this way, the first screw or the first bolt has a simple structure and is convenient for locking the first locking hole and the second locking hole.

[0053] According to some embodiments of the present application, optionally, Figure 3 and Figure 4As shown, the connecting component 14 includes a connecting copper busbar 142, a second connecting member 143 and a third connecting member 144. The connecting copper busbar 142 is connected to the first locking hole and the second locking hole. The second connecting member 143 cooperates with the first locking hole to lock the connecting copper busbar 142. The third connecting member 144 cooperates with the second locking hole to lock the connecting copper busbar 142.

[0054] In this way, the two terminals are connected by setting the connecting copper bar 142 and connected by two connecting pieces. Under the action of the connecting copper bar 142, the cable can be extended in phase to ensure the butt-joint length of the two cables.

[0055] According to some embodiments of the present application, optionally, the second connecting member 143 is a second screw or a second bolt, and the third connecting member 144 is a third screw or a third bolt.

[0056] The second screw or the second screw, the third screw or the third bolt has a simple structure and is convenient for locking the first locking hole and the second locking hole.

[0057] According to some embodiments of the present application, optionally, Figure 3 As shown, the first locking hole and the connecting end 1311 of the first connecting terminal 131 are arranged obliquely, and the second locking hole and the connecting end of the second connecting terminal 132 are arranged obliquely.

[0058] In this way, the first terminal 131 and the second terminal 132 are both eccentric terminals, that is, their locking holes are not on the same horizontal plane as the connecting end 1311. Optionally, the locking hole is arranged to contact the inner side of the bottom of the intermediate joint body 11, and the connecting end 1311 is located in the middle of the interior of the intermediate joint body 11, so as to facilitate the connection of the copper bar 142 with the locking hole and the connecting piece.

[0059] According to some embodiments of the present application, optionally, Figure 1 , Figure 3 and Figure 5 As shown, the connection end 1311 of the first terminal 131 and the connection end of the second terminal 132 are both hollow columnar structures. In this way, the end of the corresponding cable (ie, the conductor of the cable) is inserted into the hollow structure of the terminal.

[0060] According to some embodiments of the present application, optionally, the intermediate joint body 11 is made of rubber or resin.

[0061] According to some embodiments of the present application, optionally, the first stress cone 121 and the second stress cone 122 are both made of rubber.

[0062] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present application and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A separable prefabricated intermediate joint for cable equipment, characterized in that: include: An intermediate joint body, wherein the interior of the intermediate joint body is hollow, and two ends of the intermediate joint body are respectively a first connection port and a second connection port; A stress cone assembly, the stress cone assembly comprising a first stress cone and a second stress cone, the first stress cone being installed at the first connection port and being used to cooperate with a first cable, the second stress cone being installed at the second connection port and being used to cooperate with a second cable; A terminal assembly, the terminal assembly is installed in the intermediate joint body, the terminal assembly includes a first terminal and a second terminal, the connection end of the first terminal is used to connect to the first cable, and the connection end of the second terminal is used to connect to the second cable; A connecting component is used to lock the locking end of the first connecting terminal and the locking end of the second connecting terminal.

2. The separable prefabricated intermediate joint for cable equipment according to claim 1, characterized in that: The locking end of the first wiring terminal is a first locking hole, and the locking end of the second wiring terminal is a second locking hole.

3. The separable prefabricated intermediate joint for cable equipment according to claim 2, characterized in that: The connecting assembly includes a first connecting member, the first locking holes and the second locking holes are alternately arranged along a first direction, and the first connecting member is used to lock the first locking holes and the second locking holes.

4. The separable prefabricated intermediate joint for cable equipment according to claim 3, characterized in that: The first connecting member is a first screw or a first bolt.

5. The separable prefabricated intermediate joint for cable equipment according to claim 2, characterized in that: The connecting assembly includes a connecting copper bar, a second connecting piece and a third connecting piece. The connecting copper bar connects the first locking hole and the second locking hole. The second connecting piece cooperates with the first locking hole to lock the connecting copper bar. The third connecting piece cooperates with the second locking hole to lock the connecting copper bar.

6. The separable prefabricated intermediate joint for cable equipment according to claim 5, characterized in that: The second connecting member is a second screw or a second bolt, and the third connecting member is a third screw or a third bolt.

7. The separable prefabricated intermediate joint for cable equipment according to claim 5, characterized in that: The first locking hole and the connecting end of the first wiring terminal are arranged obliquely, and the second locking hole and the connecting end of the second wiring terminal are arranged obliquely.

8. The separable prefabricated intermediate joint for cable equipment according to claim 1, characterized in that: The connecting end of the first wiring terminal and the connecting end of the second wiring terminal are both hollow columnar structures.

9. The separable prefabricated intermediate joint for cable equipment according to claim 1, characterized in that: The intermediate joint body is made of rubber or resin.

10. A cable device, characterized in that: It comprises a detachable prefabricated intermediate joint for cable equipment as described in any one of claims 1 to 9, a first cable and a second cable, wherein the end of the first cable is installed at the first connecting port through the first stress cone, and the end of the second cable is installed at the second connecting port through the second stress cone.

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