Cable connector plug convenient to install

Abstract

The utility model relates to the technical field of mining high-voltage cable connectors, in particular to a cable connector plug convenient to install, which comprises an outer shell and an inner core body, and the outer shell comprises a first half shell and a second half shell detachably connected to one end of the first half shell. A limiting structure used for limiting the axial direction of the inner core body is arranged between the first half shell and the second half shell, and a positioning structure used for positioning the angle of the inner core body is arranged between the first half shell and the inner core body. Through the arrangement of the first half shell and the second half shell, and in cooperation with the limiting structure and the positioning structure, the convenience of assembling the inner core body and the outer shell can be improved on the premise that the mounting quality of the inner core body is ensured, and use is more facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mining high-voltage cable connectors, in particular to a cable connector plug convenient to install. BACKGROUND

[0002] The mining explosion-proof high-voltage cable connector is mainly used in the environment of coal mine underground and surrounding explosive gas mixture of coal dust, methane, etc. In the power system, it is used as a connecting device between the control cable and the explosion-proof electrical switch device, and can also be used as an information communication cable connector in the coal mine underground. The whole includes a plug and a socket, wherein the plug is connected with the cable, and the socket is installed on the device. In use, the plug with the installed cable is inserted into the socket to realize the electrical connection of the cable and the device.

[0003] The existing cable connector structure generally includes an outer shell 1 and an inner core 2, wherein the outer shell 1 is integrally cast into a shape, an axial through hole is formed in the inner cavity of the outer shell 1, a fixing rod 5 is integrally formed on the inner wall of one end of the outer shell 1, the fixing rod 5 is arranged in the radial direction of the outer shell, a through hole is formed on the fixing rod 5, a locking bolt 6 is further arranged in the outer shell 1, and a threaded hole is formed on one end of the inner core 2. In use, the one end of the inner core 2 is inserted into the outer shell 1, until the end of the inner core 2 abuts against the inner wall of the outer shell 1, then the locking bolt 6 is screwed into the threaded hole through the through hole from the other end, so as to realize the connection of the inner core 2 and the outer shell 1.

[0004] However, in actual installation, in order to ensure the use of the plug after assembly, not only the axial direction of the inner core 2 needs to be consistent with the outer shell 1 during installation, but also the installation angle of the inner core 2 needs to meet the standard, which leads to the fact that during actual assembly of the plug, the worker needs to fix the outer shell 1 with one hand and fix the inner core 2 with the other hand, adjust the angle of the inner core 2 first, and then press the inner core 2 tightly before screwing the locking bolt 6, so as to prevent the inner core 2 from being out of axis with the outer shell 1 or the inner core 2 from rotating. The whole installation process is relatively complicated, and it is easy to cause the installation quality to be unqualified and need to be reworked. Content of the utility model

[0005] In order to solve the problem that the existing plug assembly process is relatively complicated and easy to cause the installation quality to be unqualified and need to be reworked, the present application provides a cable connector plug convenient to install.

[0006] The cable connector plug convenient to install provided by the present application adopts the following technical scheme:

[0007] The utility model provides a cable connector plug convenient to install, including outer casing and inner core body, the outer casing includes first half shell and the second half shell of detachable connection in one end of first half shell, be provided with the limiting structure for the axial position of inner core body between first half shell and second half shell, be provided with the positioning structure for the angle of inner core body between first half shell and inner core body.

[0008] Through the above technical scheme, when in use, the staff only needs to place the inner core body between the first half shell and the second half shell, then axially limits the inner core body through the limiting structure, and the angle of the inner core body is positioned through the positioning structure, then connects the second half shell on the first half shell, thereby ensuring the installation quality of the inner core body, improving the assembly convenience of the inner core body and the outer casing, and improving the assembly efficiency of the whole plug, and the use is more convenient.

[0009] Preferably, a fixing block is fixed to the outer wall of the first half shell, an internally threaded hole is formed in one end of the fixing block facing the second half shell, a mounting hole is formed in the second half shell, and a connecting bolt is arranged in the mounting hole.

[0010] Through the above technical scheme, when in use, the second half shell is first buckled at the end of the first half shell, and then the end of the connecting bolt is screwed into the internally threaded hole through the mounting hole, so as to realize the detachable connection of the second half shell and the first half shell.

[0011] Preferably, a countersunk hole is formed in the second half shell, the countersunk hole is coaxial with and communicates with the mounting hole, and the countersunk hole is used to accommodate the head of the connecting bolt.

[0012] Through the above technical scheme, when in use, through the setting of the countersunk hole, when the connecting bolt is screwed into the internally threaded hole, the head of the connecting bolt is embedded in the countersunk hole, so as to avoid the influence of the head of the connecting bolt on the subsequent connection of the plug and the socket.

[0013] Preferably, a plurality of fixing blocks are provided, the plurality of fixing blocks are uniformly distributed along the circumferential side of the first half shell, and the mounting hole and the connecting bolt are one-to-one corresponding to the fixing block.

[0014] Through the above technical scheme, when in use, through the setting of the plurality of fixing blocks, cooperating with the plurality of connecting bolts, the connection stability of the second half shell and the first half shell is ensured, which is more conducive to use.

[0015] Preferably, a reinforcing rib is arranged between two adjacent fixing blocks, the reinforcing rib is fixed to the side wall of the first half shell, and the two ends of the reinforcing rib are respectively connected with the fixing blocks on the corresponding side.

[0016] By adopting the technical scheme, when in use, the structural strength of the connection between the first half shell and the second half shell is increased by arranging the reinforcing ribs, so that the use quality of the plug is ensured.

[0017] Preferably, the limiting structure comprises a first abutting ring fixed to the inner wall of the first half shell and a second abutting ring fixed to the inner wall of the second half shell, a clamping space for clamping the inner core body is formed between the first abutting ring and the second abutting ring, the first abutting ring abuts one end of the inner core body, and the second abutting ring abuts the other end of the inner core body.

[0018] By adopting the technical scheme, when in use, the inner core body is placed in the first half shell, and then the second half shell is buckled on the first half shell, the inner core body is pressed on the first abutting ring by the second abutting ring, so that the axial fixation of the inner core body is realized, and the installation process is simple and convenient.

[0019] Preferably, a stepped groove is arranged at one end of the inner core body facing the first abutting ring, the first abutting ring and the stepped groove form an embedded cooperation, and the positioning structure is located in the stepped groove.

[0020] By adopting the technical scheme, when in use, the cooperation of the stepped groove and the first abutting ring further ensures the stability of the installation of the inner core body.

[0021] Preferably, the positioning structure comprises a positioning block fixed to the inner wall of the stepped groove, and a positioning groove is arranged on the first abutting ring for embedding the positioning block.

[0022] By adopting the technical scheme, when in use, when the inner core body is placed in the first half shell, the positioning block is embedded in the positioning groove, so that the angle of the inner core body after installation meets the standard, thereby ensuring the assembly quality of the inner core body and the outer shell.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. By placing the inner core body between the first half shell and the second half shell by the staff, then axially limiting the inner core body by the limiting structure, and positioning the angle of the inner core body by the positioning structure, and then connecting the second half shell to the first half shell, the assembly convenience of the inner core body and the outer shell is improved under the premise of ensuring the installation quality of the inner core body, and the assembly efficiency of the plug as a whole is also improved, and the use is more convenient.

[0025] 2. By arranging the fixing block, the connecting bolt and the countersunk hole, the first half shell and the second half shell can be detachably connected, and at the same time, the situation that the head of the connecting bolt affects the connection between the plug and the socket is avoided.

[0026] 3. The structural strength of the joint of the first half shell and the second half shell is increased by the reinforcing ribs, so as to ensure the quality after the plug is assembled. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the axonometric view mainly embodying the plug structure in the background art;

[0028] Figure 2 is the axonometric view mainly embodying the overall structure in the embodiment of the application;

[0029] Figure 3 is the exploded view mainly embodying the overall structure in the embodiment of the application;

[0030] Figure 4 is the sectional view mainly embodying the overall structure in the embodiment of the application.

[0031] Reference signs: 1, outer shell body; 11, first half shell; 12, second half shell; 13, fixed block; 14, connecting bolt; 15, counterbore; 16, reinforcing rib; 17, mounting hole; 2, inner core body; 21, stepped groove; 3, limiting structure; 31, first abutting ring; 311, positioning groove; 32, second abutting ring; 4, positioning block; 5, fixed rod; 6, locking bolt. DETAILED DESCRIPTION

[0032] The following will be described in detail in combination with the accompanying drawings. Figure 2 - the accompanying drawings Figure 4 The application will be described in further detail.

[0033] The embodiment of the application discloses a cable connector plug convenient to install.

[0034] Reference Figure 2 and Figure 3 A cable connector plug convenient to install comprises an outer shell body 1 and an inner core body 2 arranged horizontally, wherein the inner core body 2 is arranged in a cylindrical shape in the embodiment, the outer shell body 1 is divided into a first half shell 11 and a second half shell 12, the second half shell 12 is arranged at the left end of the first half shell 11, a fixed block 13 is integrally formed on the outer wall of the left end of the first half shell 11, an internally threaded hole is formed at the right end of the fixed block 13, a mounting hole 17 is formed through the second half shell 12, and a connecting bolt 14 is arranged in the mounting hole 17; in use, the connecting bolt 14 is screwed into the internally threaded hole after the connecting bolt 14 passes through the mounting hole 17, so that the detachable connection of the second half shell 12 and the first half shell 11 is realized through the connecting bolt 14.

[0035] Reference Figure 2 and Figure 3A counterbore hole 15 is formed on the right side of the second half shell 12, the counterbore hole 15 is coaxially arranged with the mounting hole 17, and the counterbore hole 15 communicates with the mounting hole 17. In this application, the hole diameter of the counterbore hole 15 is larger than the hole diameter of the mounting hole 17; in use, the rod end of the connecting bolt 14 passes through the mounting hole 17, and the head of the connecting bolt 14 is embedded in the counterbore hole 15, that is, when the connecting bolt 14 connects the second half shell 12 and the first half shell 11 together, the head of the connecting bolt 14 is displaced into the counterbore hole 15 as a whole, so as to avoid affecting the connection of the plug and the socket subsequently.

[0036] Referring to Figure 2 and Figure 3 , in order to ensure the connection stability of the first half shell 11 and the second half shell 12, the fixing block 13 is provided with a plurality of fixing blocks 13, and the plurality of fixing blocks 13 are uniformly distributed on the side of the first half shell 11, and in this embodiment, the fixing block 13 is preferably provided with four fixing blocks 13, and the mounting hole 17, the connecting bolt 14 and the fixing block 13 are one-to-one corresponding; in use, through the cooperation of the four connecting bolts 14, the connection stability of the first half shell 11 and the second half shell 12 is ensured, so as to ensure the quality of the assembled plug.

[0037] Referring to Figure 2 and Figure 3 , in addition, in order to ensure the structural strength of the connection between the first half shell 11 and the second half shell 12, a reinforcing rib 16 is further arranged on the outer side of the end of the first half shell 11 facing the second half shell 12, the reinforcing rib 16 is integrally formed on the first half shell 11, and the two ends of the reinforcing rib 16 are respectively connected with the corresponding fixing blocks 13 to form an integral whole, so that in use, through the arrangement of the reinforcing rib 16 and the fixing block 13, the structural strength of the connection of the first half shell 11 is ensured, and in this application, after the first half shell 11 and the second half shell 12 are assembled, the right end of the first half shell 11 is embedded in the second half shell 12, so as to further ensure the structural strength of the connection between the first half shell 11 and the second half shell 12.

[0038] Referring to Figure 3 and Figure 4 , a limiting structure 3 is arranged between the first half shell 11 and the second half shell 12, the limiting structure 3 is used for limiting the axial position of the inner core 2, the limiting structure 3 includes a first abutting ring 31 and a second abutting ring 32, the first abutting ring 31 is integrally formed on the inner wall of the first half shell 11, and the second abutting ring 32 is integrally formed on the inner wall of the second half shell 12, a clamping space is formed between the first abutting ring 31 and the second abutting ring 32, and the clamping space is used for clamping the inner core 2.

[0039] Referring to Figure 3 and Figure 4, when using, the inner core body 2 is inserted into the clamping space from the right end opening of the first half shell 11, until the left end of the inner core body 2 abuts against the first abutting ring 31, the right end of the inner core body 2 is flush with the right end of the first half shell 11, then the second half shell 12 is buckled on the right end of the first half shell 11, so that the second abutting ring 32 abuts against the right end of the inner core body 2 and the right end of the first half shell 11, thereby the inner core body 2 is clamped and fixed in the clamping space by the first abutting ring 31 and the second abutting ring 32, and the axial fixation of the inner core body 2 can be realized by cooperating with the limiting of the inner wall of the first half shell 11, which is simple and convenient to install.

[0040] Referring to Figure 3 and Figure 4 , in order to ensure the installation stability of the inner core body 2, the stepped groove 21 is arranged at the left end of the inner core body 2, and the first abutting ring 31 is embeddedly matched with the stepped groove 21, when using, after the inner core body 2 is placed in the clamping space, the first abutting ring 31 can be embedded in the stepped groove 21 by moving the inner core body 2, so that the further limiting of the inner core body 2 can be realized by the cooperation of the stepped groove 21 and the first abutting ring 31.

[0041] Referring to Figure 3 and Figure 4 , the positioning structure is further arranged between the first half shell 11 and the inner core body 2, which is used for positioning the installation angle of the inner core body 2, and the positioning structure comprises the positioning block 4 which is integrally formed on the outer wall of the inner core body 2, the positioning block 4 is located in the stepped groove 21, and the positioning groove 311 is arranged on the first abutting ring 31 and embeddedly matched with the positioning block 4, when using, the positioning block 4 is aligned with the positioning groove 311 in the process of placing the inner core body 2 in the clamping space, so that the positioning block 4 is embedded in the positioning groove 311 when the inner core body 2 is subsequently moved, and the positioning of the angle of the inner core body 2 can be realized by the cooperation of the positioning groove 311 and the positioning block 4, which is simple and convenient to install.

[0042] The implementation principle of the embodiment of the present application is that: when using, the first half shell 11 and the second half shell 12 are separated, the inner core body 2 is first inserted into the clamping space from the right end of the first half shell 11, and at the same time, the angle of the inner core body 2 is adjusted, so that the first abutting ring 31 is embedded in the stepped groove 21 at the same time, and the positioning block 4 is also embedded in the positioning groove 311, then the second half shell 12 is buckled on the right end of the first half shell 11, and the connecting bolts 14 are screwed into the inner threaded holes one by one, so as to realize the connection between the inner core body 2 and the outer shell body 1, the whole connection process is simple and fast, and at the same time, the installation quality of the inner core body 2 is also ensured by the cooperation of the positioning block 4, the first abutting ring 31 and the second abutting ring 32, which is more conducive to use.

[0043] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A cable connector plug that is easy to install, characterized in that: The device includes an outer shell (1) and an inner core (2). The outer shell (1) includes a first half shell (11) and a second half shell (12) detachably connected to one end of the first half shell (11). A limiting structure (3) for limiting the axial movement of the inner core (2) is provided between the first half shell (11) and the second half shell (12). A positioning structure for positioning the angle of the inner core (2) is provided between the first half shell (11) and the inner core (2).

2. The cable connector plug for easy installation according to claim 1, characterized in that: A fixing block (13) is fixed to the outer wall of the first half shell (11). The fixing block (13) has an internal threaded hole at one end facing the second half shell (12). The second half shell (12) has an installation hole (17). A connecting bolt (14) is provided in the installation hole (17). The end of the connecting bolt (14) passes through the installation hole (17) and is threaded to the internal threaded hole.

3. The cable connector plug for easy installation according to claim 2, characterized in that: The second half shell (12) has a countersunk hole (15) which is coaxial with and connected to the mounting hole (17). The countersunk hole (15) is used to accommodate the head of the connecting bolt (14).

4. The cable connector plug for easy installation according to claim 2, characterized in that: The fixing blocks (13) are provided in a plurality of them, and the plurality of fixing blocks (13) are evenly distributed at intervals along the periphery of the first half shell (11). The mounting holes (17) and connecting bolts (14) are provided in a one-to-one correspondence with the fixing blocks (13).

5. The cable connector plug for easy installation according to claim 4, characterized in that: A reinforcing rib (16) is provided between two adjacent fixing blocks (13). The reinforcing rib (16) is fixed on the side wall of the first half shell (11), and the two ends of the reinforcing rib (16) are respectively connected to the fixing block (13) on the corresponding side.

6. The cable connector plug for easy installation according to claim 1, characterized in that: The limiting structure (3) includes a first abutting ring (31) fixed to the inner wall of the first half shell (11) and a second abutting ring (32) fixed to the inner wall of the second half shell (12). A clamping space for clamping the inner core (2) is formed between the first abutting ring (31) and the second abutting ring (32). The first abutting ring (31) abuts against one end of the inner core (2) and the second abutting ring (32) abuts against the other end of the inner core (2).

7. The cable connector plug for easy installation according to claim 2, characterized in that: The inner core (2) has a stepped groove (21) at one end facing the first abutting ring (31), the first abutting ring (31) and the stepped groove (21) are fitted together, and the positioning structure is located in the stepped groove (21).

8. The cable connector plug for easy installation according to claim 7, characterized in that: The positioning structure includes a positioning block (4) fixed to the inner wall of the stepped groove (21), and the first abutting ring (31) is provided with a positioning groove (311) for embedding the positioning block (4).

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