A cable joint reinforcement structure

Abstract

The application belongs to the technical field of electric power lines, and discloses a cable joint reinforcing structure, which comprises a male plug and a female plug, the male plug comprises a male plug main body, an elastic sheet and a sliding piece, the female plug is provided with a plug-in cavity allowing the male plug to be inserted, the elastic sheet is sleeved on the male plug main body and used for abutting against the side wall of the plug-in cavity to realize the conductive connection of the male plug and the female plug, the end of the male plug main body is provided with a fixing piece, and the sliding piece is slidably sleeved on the male plug main body and located between the elastic sheet and the fixing piece. A side locking piece is slidably arranged on the plug-in cavity, the sliding piece is provided with a first inclined surface, and the side locking piece is provided with a second inclined surface. When the male plug is inserted into the plug-in cavity, the fixing piece slides along the second inclined surface, pushes open the side locking piece, and makes the side locking piece extend between the fixing piece and the sliding piece, so that the male plug is limited in the plug-in cavity, the male plug is prevented from sliding out of the plug-in cavity of the female plug, and the stability of the connection at the cable joint is improved. Even if the male plug is pulled outwards, the male plug cannot be pulled out of the plug-in cavity due to the limitation of the side locking piece.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power line, in particular to a cable joint reinforcing structure. BACKGROUND

[0002] Cables for transmitting signals or currents are widely used. In power tests, fast plug-in terminals are often used to connect cables to measuring devices for output signals, state acquisition, and are removed after the test.

[0003] In the prior art, the cable joint applied to the measuring device is usually completed by the cooperation of a cylindrical conductor and a pipe conductor. An elastic structure is added to the outer circle of the cylindrical conductor, which can not only increase the contact area of the two, but also reinforce the connection strength between the two through the friction between the elastic sheet and the inner wall of the pipe conductor. However, in the process of use, it is still easy to fall off, especially in the vertical application scene, it is difficult to achieve fastening only by friction. SUMMARY

[0004] The purpose of the present application is to provide a cable joint reinforcing structure that can improve the stability of cable connection and effectively prevent cable from slipping off.

[0005] To achieve this purpose, the present application adopts the following technical solutions:

[0006] A cable joint reinforcing structure is provided, comprising:

[0007] A male plug, comprising a male plug body, an elastic sheet and a sliding piece, the male plug body is configured to be connected to a cable, the elastic sheet is sleeved on the male plug body, the end of the male plug body away from the cable is provided with a fixing piece in the circumferential direction, the sliding piece is slidably sleeved on the male plug body and located between the elastic sheet and the fixing piece, a first inclined surface is provided on the sliding piece, and the first inclined surface is inclined in the direction towards the cable;

[0008] A female plug is configured to be fixed to a measuring device, and a plug-in cavity allowing the male plug to be inserted is formed, the elastic sheet can abut against the side wall of the plug-in cavity, a side lock piece is provided on the side wall of the plug-in cavity, the side lock piece is slidably arranged on the measuring device in the direction perpendicular to the axis of the plug-in cavity, and a second inclined surface is provided on the end of the side lock piece extending into the plug-in cavity, and the second inclined surface is inclined in the direction towards the male plug.

[0009] As an optional solution of the cable joint reinforcing structure, a first fixing part is protruded on the outer wall of the side lock piece, a first elastic piece is sleeved on the part of the side lock piece not extending into the plug-in cavity, and the first elastic piece is connected between the first fixing part and the measuring device.

[0010] As an alternative of the cable joint reinforcing structure, the side lock is provided with a plurality of intervals along the circumference of the plug-in cavity.

[0011] As an alternative of the cable joint reinforcing structure, an abutting member is provided on the bottom wall of the plug-in cavity, which is slidably arranged on the metering device along the axis direction of the plug-in cavity, and can abut on the fixing member.

[0012] As an alternative of the cable joint reinforcing structure, a second fixing part is provided on the outer wall of the abutting member, and a second elastic member is arranged on the part of the abutting member not extending into the plug-in cavity, which is connected between the second fixing part and the metering device.

[0013] As an alternative of the cable joint reinforcing structure, the abutting member is made of insulating material.

[0014] As an alternative of the cable joint reinforcing structure, the sliding member and the side lock are both made of insulating material.

[0015] As an alternative of the cable joint reinforcing structure, a stop member is further arranged on the male plug body, which is located between the elastic sheet and the sliding member.

[0016] As an alternative of the cable joint reinforcing structure, a plurality of elastic sheets are arranged along the circumference of the male plug body.

[0017] As an alternative of the cable joint reinforcing structure, a circular chamfer is arranged on the end of the fixing member away from the sliding member.

[0018] The beneficial effects of the present application are as follows:

[0019] The present application provides a cable joint reinforcing structure, in which a male plug is inserted into the plug-in cavity of a female plug, and the elastic sheet is elastically deformed under the elastic force of itself and is conductively connected with the female plug; the fixing member at the end of the male plug body abuts on the second inclined surface of the side lock, and during the process of inserting the male plug body inwardly, the fixing member slides along the second inclined surface and pushes open the side lock, so that the side lock extends between the fixing member and the sliding member, thereby limiting the male plug in the plug-in cavity and preventing the male plug from slipping out of the plug-in cavity of the female plug, and improving the stability of the connection at the cable joint. Even if the male plug is pulled outwardly, it cannot be pulled out of the plug-in cavity due to the limitation of the side lock.

[0020] When the male plug needs to be pulled out, the male plug needs to be continuously pushed in the direction towards the plug cavity, so that the side lock member pushes the sliding member to move, until the sliding member cannot continue to move due to the stop of the elastic sheet, at this time, under the guidance of the second inclined surface, the side lock member will pass the sliding member and slide along the first inclined surface, and slide between the elastic sheet and the sliding member. Further pulling the male plug outward, under the pushing action of the side lock member, the sliding member will slide in the direction close to the fixed member, until abutting on the fixed member. Under the guidance of the first inclined surface, the side lock member is pushed open, so that the male plug can be smoothly pulled out. That is, when installing, the male plug is inserted into the plug cavity; and when pulling out, the male plug needs to be pushed into the plug cavity first, and then pulled out outward, which is convenient and fast, and even in the vertical upward installation scene, the stability of the connection can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic diagram of a cable joint reinforcing structure provided by the embodiment of the specific embodiment of the present application;

[0022] Figure 2 is a structural schematic diagram of the cable joint reinforcing structure provided by the embodiment of the specific embodiment of the present application when used;

[0023] Figure 3 is a first structural schematic diagram of the plug-pull process of the cable joint reinforcing structure provided by the embodiment of the specific embodiment of the present application;

[0024] Figure 4 is a second structural schematic diagram of the plug-pull process of the cable joint reinforcing structure provided by the embodiment of the specific embodiment of the present application;

[0025] Figure 5 is a third structural schematic diagram of the plug-pull process of the cable joint reinforcing structure provided by the embodiment of the specific embodiment of the present application.

[0026] In the drawings:

[0027] 100, cable;

[0028] 1, male plug;

[0029] 11, male plug body; 12, elastic sheet; 13, sliding member; 130, first inclined surface; 14, fixed member; 15, stop member;

[0030] 2, female plug; 20, plug cavity;

[0031] 3, side lock member; 30, second inclined surface; 31, first fixed part; 32, first elastic member;

[0032] 4, abutting member; 41, second fixed part; 42, second elastic member. DETAILED DESCRIPTION

[0033] The application will be further described below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are intended to be merely exemplary of the application and that the application is not limited to such exemplary embodiments. It should also be understood that, in the description of the embodiments, the terms "upper", "lower", "right", "left", and the like are used only on the basis of the orientation of the figures, and are not intended to be limiting of the application. In addition, the terms "first" and "second" are used only to distinguish between two elements, and do not have a special meaning.

[0034] In the description of the application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0035] In the present application, unless otherwise explicitly specified and limited, "on" or "under" the first feature of the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0036] In the description of the embodiments, the terms "upper", "lower", "right", and the like, the orientation or position relationship shown in the drawings is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the application. In addition, the terms "first" and "second" are only used to distinguish between the descriptions, and do not have a special meaning.

[0037] The technical solutions of the present application will be further described below in conjunction with the drawings and specific embodiments.

[0038] As Figures 1 to 5As shown, the embodiment provides a cable joint reinforcing structure, comprising a male plug 1 and a female plug 2, wherein the male plug 1 comprises a male plug body 11, a resilient sheet 12 and a sliding piece 13, the male plug body 11 is configured to be connected to a cable 100, the resilient sheet 12 is sleeved on the male plug body 11, the end of the male plug body 11 away from the cable 100 is provided with a fixing piece 14 in the circumferential direction, and the sliding piece 13 is sleeved on the male plug body 11 in a slidable manner and is located between the resilient sheet 12 and the fixing piece 14. The female plug 2 is configured to be arranged on a metering device, a plug-in cavity 20 allowing the male plug 1 to be inserted is formed on the female plug 2, the resilient sheet 12 can abut against the side wall of the plug-in cavity 20, and a side locking piece 3 is arranged on the side wall of the plug-in cavity 20 in a penetrating manner. The sliding piece 13 is provided with a first inclined surface 130 inclined in the direction towards the cable 100, and the end of the side locking piece 3 extending into the plug-in cavity 20 is provided with a second inclined surface 30 inclined in the direction towards the male plug 1. The male plug 1 is inserted into the plug-in cavity 20 of the female plug 2, the resilient sheet 12 is elastically deformed under the elastic action of itself and is electrically connected to the female plug 2, the fixing piece 14 at the end of the male plug body 11 abuts against the second inclined surface 30 of the side locking piece 3, and in the process of inserting the male plug body 11 inwardly, the fixing piece 14 slides along the second inclined surface 30 and pushes open the side locking piece 3, so that the side locking piece 3 extends between the fixing piece 14 and the sliding piece 13, that is, as shown, the male plug 1 is limited in the plug-in cavity 20 to prevent the male plug 1 from slipping out of the plug-in cavity 20 of the female plug 2, and the stability of the connection at the joint of the cable 100 is improved. Even if the male plug 1 is pulled outwards, it cannot be pulled out of the plug-in cavity 20 due to the limitation of the side locking piece 3. Figure 2

[0039] When the male plug 1 needs to be pulled out, the male plug 1 is continuously pushed in the direction towards the plug-in cavity 20, so that the side locking piece 3 pushes the sliding piece 13 to move, until the sliding piece 13 cannot continue to move due to the stop of the resilient sheet 12, at this time, under the guidance of the second inclined surface 30, the side locking piece 3 will pass the sliding piece 13 and slide along the first inclined surface 130 to the position between the resilient sheet 12 and the sliding piece 13. The male plug 1 is pulled outwards again, and under the pushing action of the side locking piece 3, the sliding piece 13 will slide in the direction close to the fixing piece 14 until it abuts against the fixing piece 14. Referring to Figure 3 Figure 4 and Figure 5 under the guidance of the first inclined surface 130, the side locking piece 3 is pushed open to make the male plug 1 be pulled out smoothly. That is to say, when installed, the male plug 1 can be inserted into the plug-in cavity 20; and when pulled out, the male plug 1 needs to be pushed into the plug-in cavity 20 first and then pulled out, which is convenient and fast, and even in the installation scene vertically upwards, the stability of the connection can be ensured.

[0040] ​​Specifically, the sliding member 13 is annular, sleeved on the male plug body 11, and the first inclined surface 30 is annularly arranged on the sliding member 13. That is, the diameter of the sliding member 13 close to the fixed member 14 is larger than the diameter of the sliding member 13 close to the elastic sheet 12.

[0041] Exemplarily, the side locking member 3 is a spring pin commonly used in the art, which has good elasticity to improve the stability of the side locking member 3 between the fixed member 14 and the sliding member 13.

[0042] Optionally, the end of the fixed member 14 away from the sliding member 13 is provided with a circular chamfer, which can provide a certain guiding effect for the sliding of the side locking member 3.

[0043] Optionally, a plurality of side locking members 3 are arranged along the circumference of the plug-in cavity 20 to limit the male plug 1 in multiple circumferential positions, further improving the stability of the connection between the male plug 1 and the female plug 2.

[0044] Optionally, the outer wall of the side locking member 3 is provided with a first fixing portion 31, and the portion of the side locking member 3 not extending into the plug-in cavity 20 is sleeved with a first elastic member 32 connected between the first fixing portion 31 and the metering device. The above-mentioned arrangement can further strengthen the stability of the side locking member 3 under the elastic action of the first elastic member 32, and prevent the side locking member 3 from sliding in the direction perpendicular to the axis of the plug-in cavity 20 under external disturbance.

[0045] Specifically, the first elastic member 32 is a spring commonly used in the art, which has good elasticity, is easy to obtain, and is economical.

[0046] Optionally, the sliding member 13 and the side locking member 3 are made of insulating material to avoid electrically connecting with the male plug body 11 and ensure safety during use. Specifically, the insulating material is the existing technology in the art, which is not limited here.

[0047] Optionally, the male plug body 11 is also sleeved with a stopper 15 between the elastic sheet 12 and the sliding member 13 to limit the sliding range of the elastic member.

[0048] Optionally, the plug-in cavity 20 is provided with an abutting member 4 on the bottom wall, which is slidably arranged on the metering device along the axis of the plug-in cavity 20 and can abut on the fixed member 14. The above-mentioned arrangement can provide tactile feedback for the user to perceive the position of the male plug 1. Exemplarily, the abutting member 4 is also a spring pin.

[0049] Further, the outer wall of the abutting member 4 is provided with a second fixing part 41, and the part of the abutting member 4 not extending into the insertion cavity 20 is sleeved with a second elastic member 42, the second elastic member 42 is connected between the second fixing part 41 and the metering device, so as to further enhance the stability of the abutting member 4, and ensure that the abutting member 4 can stably abut on the fixing member 14. Exemplarily, the second elastic member 42 is also a spring.

[0050] Optionally, the abutting member 4 is made of insulating material, so as to prevent the abutting member 4 from being in conductive connection with the male plug body 11, and ensure the safety in use. Specifically, the insulating material is the prior art in the field, which is not limited here.

[0051] Optionally, a plurality of elastic sheets 12 are arranged along the circumference of the male plug body 11, so as to further increase the contact area between the male plug body 11 and the inner wall of the limiting cavity of the female plug 2, increase the contact friction therebetween, and meanwhile ensure good conductive performance.

[0052] Obviously, the above embodiments of the present application are merely exemplary for clarity, and are not intended to limit the embodiments of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the scope of the present application. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A cable joint reinforcement structure, characterized by, The utility model relates to a kind of metering device and its plug, including: Male plug (1), including male plug main body (11), elastic sheet (12) and sliding piece (13), the male plug main body (11) is configured to be connected on cable (100), the elastic sheet (12) is sleeved on the male plug main body (11), the end of the male plug main body (11) is away from the cable (100) and is provided with fixed part (14) in the circumferential direction, the sliding piece (13) is slidably sleeved on the male plug main body (11), and located between the elastic sheet (12) and the fixed part (14), first inclined surface (130) is provided on the sliding piece (13), and the first inclined surface (130) is inclined in the direction towards the cable (100); Female plug (2) is configured to be fixed on metering device, and is provided with plug-in cavity (20) allowing male plug (1) to be inserted, and the elastic sheet (12) can abut against the side wall of plug-in cavity (20), and the side wall of plug-in cavity (20) is provided with side lock part (3), the side lock part (3) is slidably arranged on the metering device in the direction perpendicular to the axis of plug-in cavity (20), and the end of the side lock part (3) extending into plug-in cavity (20) is provided with second inclined surface (30), and the second inclined surface (30) is inclined in the direction towards male plug (1); First fixed part (31) is protruded on the outer wall of the side lock part (3), and first elastic part (32) is sleeved on the part of the side lock part (3) not extending into plug-in cavity (20), and the first elastic part (32) is connected between the first fixed part (31) and the metering device.

2. The cable splice reinforcement structure of claim 1, wherein, The side lock part (3) is provided with a plurality of first fixed parts (31) in the circumferential direction of the plug-in cavity (20).

3. The cable splice reinforcement structure of claim 1, wherein, The bottom wall of the plug-in cavity (20) is provided with abutting part (4), and the abutting part (4) is slidably arranged on the metering device in the direction of the axis of plug-in cavity (20), and the abutting part (4) can abut against the fixed part (14).

4. The cable splice reinforcement structure of claim 3, wherein, Second fixed part (41) is protruded on the outer wall of the abutting part (4), and second elastic part (42) is sleeved on the part of the abutting part (4) not extending into plug-in cavity (20), and the second elastic part (42) is connected between the second fixed part (41) and the metering device.

5. The cable splice reinforcement structure of claim 3, wherein, The abutting part (4) is made of insulating material.

6. A cable joint reinforcement structure according to any one of claims 1-5, characterized in that, The sliding piece (13) and the side lock part (3) are both made of insulating material.

7. A cable joint reinforcement structure according to any one of claims 1-5, characterized in that Stop piece (15) is further sleeved on the male plug main body (11), and the stop piece (15) is located between the elastic sheet (12) and the sliding piece (13).

8. A cable joint reinforcement structure according to any one of claims 1-5, characterized in that The elastic sheet (12) is provided with a plurality of first fixed parts (31) in the circumferential direction of the male plug main body (11).

9. A cable joint reinforcement structure according to any one of claims 1-5, characterized in that The end of the fixed part (14) away from the sliding piece (13) is provided with a circular chamfer.

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