A tapping mechanism for low voltage distribution box

Abstract

The present invention relates to the technical field of tapping mechanisms, and in particular to a tapping mechanism for a low-voltage distribution box, comprising a mounting frame; support frames are movably connected to the upper and lower sides of the middle inner side of the mounting frame, and a plurality of contact switching devices are movably arranged between the two support frames; a scraper movably arranged in a cable connector enables two symmetrically arranged scrapers in the cable connector to clamp and position the inserted cable ends, thereby improving the convenience of users inserting various component cable connectors and improving the connection efficiency of cable distribution and connection; by pressing a sliding rod to drive a pull rope to move downward, the scraper compression spring can be driven; when the barb group on the scraper is separated from the end of an electrical equipment cable, the user can conveniently pull out the electrical equipment cable end inserted in the cable connector, thereby achieving the effect of convenient insertion and quick replacement, thereby effectively improving the effect of user tapping leads.

Description

Technical Field

[0001] The invention relates to the technical field of tapping mechanisms, in particular to a tapping mechanism for a low-voltage distribution box. Background Art

[0002] The low-voltage distribution box requires that switchgear, measuring instruments, protective electrical appliances and auxiliary equipment be assembled in a closed or semi-closed metal cabinet or on a screen to form a low-voltage distribution box. When the various electrical devices in the low-voltage distribution box are connected, cables are required to transmit electrical signals. When users implement wiring tapping in the low-voltage distribution box, they often need to insert and fix the cable ends. However, the tapping mechanism used in actual operation still has the following shortcomings:

[0003] Due to structural defects, the tapping mechanism in the prior art is difficult to remove when arranging the cable ends of various electrical equipment in the low-voltage distribution box, thereby limiting the effect of the user's tapping leads and failing to meet the requirements of the prior art. Summary of the invention

[0004] In view of this, the purpose of the present invention is to propose a tapping mechanism for a low-voltage distribution box to solve the problem that the cable connectors are difficult to remove when the cable ends of various electrical equipment in the low-voltage distribution box are wired due to structural defects in the tapping mechanism in the prior art.

[0005] Based on the above purpose, the present invention provides a tapping mechanism for a low-voltage distribution box, comprising: a mounting frame; a bearing frame is movably connected to both upper and lower sides of the inner middle part of the mounting frame, and a fixing block is fixedly connected to both middle edges of the outer sides of the mounting frame, and the fixing block serves as a fixing connection mechanism of the mounting frame in the low-voltage distribution box;

[0006] A plurality of contact-piece on-off devices are movably arranged between the two carriers, and the contact-piece on-off devices serve as a connecting and installing mechanism for cables in the low-voltage distribution box. Both ends of the plurality of contact-piece on-off devices penetrate the carriers and are fixedly sleeved with cable connectors;

[0007] The cable connector has a hollow structure, and brackets are fixedly connected to the middle of both sides of the inner wall of the cable connector near the top, a scraper is movably connected to the bottom of the middle of the bracket, a spring is fixedly connected to the middle of the lower surface of the scraper, one end of the spring is fixedly connected to the cable connector, and a barb group is provided in the middle of the upper surface of the scraper, and the barb group serves as a cable insertion and positioning mechanism in the low-voltage distribution box.

[0008] Preferably, the mounting frame further includes: a guide hole, wherein the middle of the upper surface and the middle of the lower surface of the mounting frame are provided with guide holes, the middle of the upper surface of the inner wall of the mounting frame near both ends, and the middle of the lower surface of the inner wall near both ends are rotatably connected with screw rods through bearings, the middle of the supporting frame near both ends are respectively threadedly connected with two screw rods, and the screw rods serve as a position adjustment mechanism of the supporting frame in the mounting frame.

[0009] Preferably, the contact switching device also includes: a positioning guide column and a limiting guide column, and a plurality of positioning guide columns and a plurality of limiting guide columns are movably arranged on the two supporting frames in the mounting frame respectively, and elastic parts are arranged near the adjacent ends of the positioning guide columns and the limiting guide columns, one end of the positioning guide column is fixedly connected to a sleeve, and one end of the limiting guide column is fixedly connected to a plug, and the outer periphery of the plug is movably connected to the sleeve.

[0010] Preferably, the sleeve has a C-shaped structure, the plug has a T-shaped structure, and the elastic part serves as a swing adjustment mechanism for the sleeve and the plug.

[0011] Preferably, guide pieces are provided at the adjacent ends of the positioning guide column and the limiting guide column, guide heads are provided at the separated ends of the positioning guide column and the limiting guide column, the guide head and guide piece in the positioning guide column are connected by a cable, and the guide head and guide piece in the limiting guide column are connected by a cable.

[0012] Preferably, the cable connector further comprises: an elastic reset member, a plurality of symmetrically arranged mounting covers are provided on the separated surfaces of the two supporting frames, the middle portion of one side of the mounting cover is movably connected to the cable connector, both ends of the middle portion of one side of the cable connector are fixedly connected with elastic reset members, and one end of the elastic reset member is fixedly connected to the supporting frame.

[0013] Preferably, the cable connector further comprises: a limiting groove, a limiting groove is provided in the middle of both sides of the inner wall of the cable connector, sliding rods are movably connected at both side edges of the middle of the upper surface of the cable connector, the bottom ends of the two sliding rods pass through the cable connector and are movably connected to the limiting grooves, a pull rope is fixedly connected to the bottom end of one side of the sliding rod, one end of the pull rope is fixedly connected to the scraper, and the sliding rod adjusts the opening and closing of the two scrapers through the pull rope.

[0014] Preferably, the slide rod is in an arc plate structure, and the top ends of the two slide rods are fixedly connected with a fixing ring, and the inner diameter of the fixing ring is the same as the inner diameter of the cable connector.

[0015] The beneficial effects of the present invention are as follows: by means of a scraper movably provided in the cable connector and with the help of the reset and limiting effect of the spring, the two symmetrically arranged scrapers in the cable connector can clamp and position the inserted cable end, thereby improving the convenience of users in inserting the cable connectors of various components and improving the connection efficiency of the distributed cable connections; at the same time, a barb group is provided above the scraper, so that the cable end inserted into the cable connector can be auxiliary positioned, further improving the stability of the cable end during insertion and connection; by pressing the slide bar to drive the pull rope to move downward, the scraper compression spring can be driven; when the barb group on the scraper is separated from the cable end of the electrical equipment, the user can easily pull out the cable end of the electrical equipment inserted in the cable connector, thereby achieving the effect of convenient insertion and quick replacement, thereby effectively improving the effect of user branching leads.

[0016] The cable connector can be reset and limited by the elastic reset part, so that the user can quickly pull it when switching the contact on and off device, thereby achieving the effect of quick connection and disconnection, and by movably connecting multiple positioning guide pillars and limiting guide pillars on two carriers, it is convenient for the user to pull the positioning guide pillars and the limiting guide pillars to adjust the position of the plug in the sleeve, thereby achieving the effect of quick on and off switching by means of offset push and pull. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the overall half-section structure of an embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of a half-section structure of a mounting frame according to an embodiment of the present invention;

[0020] Figure 3 It is a schematic diagram of a half-section structure of a contact switching device according to an embodiment of the present invention;

[0021] Figure 4 for Figure 3 The enlarged structural diagram at A in the middle;

[0022] Figure 5 for Figure 3 The enlarged structural diagram at B in the middle;

[0023] Figure 6 for Figure 3 The enlarged structural diagram at C in the middle;

[0024] Figure 7 It is a schematic diagram of the main structure of an embodiment of the present invention.

[0025] The markings in the figure are: 1. mounting frame; 11. guide hole; 12. screw rod; 13. bearing frame; 14. fixing block; 2. contact piece on-off device; 21. positioning guide column; 22. limiting guide column; 23. elastic part; 24. sleeve; 25. plug; 26. guide piece; 27. guide head; 3. mounting cover; 31. cable connector; 32. elastic reset member; 4. bracket; 41. scraper; 42. spring; 43. barb group; 44. limiting groove; 45. slide rod; 46. fixing ring; 47. pull rope. DETAILED DESCRIPTION

[0026] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0027] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0028] Embodiment 1:

[0029] like Figure 1 , Figure 2 , Figure 6 and Figure 7 As shown, a tapping mechanism for a low-voltage distribution box comprises: a mounting frame 1; a support frame 13 is movably connected to the upper and lower sides of the inner middle part of the mounting frame 1, and a fixing block 14 is fixedly connected to the middle edges of the outer sides of the mounting frame 1 by bolts, and the fixing block 14 serves as a fixing connection mechanism for the mounting frame 1 in the low-voltage distribution box. The fixing block 14 is convenient for users to install the mounting frame 1 in the low-voltage distribution box with the help of screws.

[0030] A plurality of contact switching devices 2 are movably arranged between the two supporting frames 13 , and the contact switching devices 2 serve as a connecting and installing mechanism for cables in the low-voltage distribution box. Both ends of the plurality of contact switching devices 2 pass through the supporting frames 13 and are fixedly sleeved with cable connectors 31 .

[0031] Among them, the multiple contact switching devices 2 provided on the support frame 13 can effectively connect the lines in the low-voltage distribution box, and the ends of the cables can be connected with the help of the cable connector 31, so that each electrical device can implement signal connection, which is convenient for users to organize wiring.

[0032] The cable connector 31 has a hollow structure, and the middle part of both sides of the inner wall of the cable connector 31 is fixedly connected with a bracket 4 by bolts near the top, and the bottom end of the middle part of the bracket 4 is movably connected with a scraper 41, and the middle part of the lower surface of the scraper 41 is fixedly connected with a spring 42 by bolts, and one end of the spring 42 is fixedly connected to the cable connector 31 by bolts, and a barb group 43 is provided in the middle part of the upper surface of the scraper 41, and the barb group 43 serves as a cable insertion and positioning mechanism in the low-voltage distribution box.

[0033] Among them, by using a scraper 41 movably provided in the cable connector 31 and with the help of the reset and limiting effect of the spring 42, the two symmetrically arranged scrapers 41 in the cable connector 31 can clamp and position the inserted cable end, thereby improving the convenience of users in inserting the cable connectors of various components and improving the connection efficiency of the cable distribution. At the same time, a barb group 43 is provided above the scraper 41, so that the cable end inserted into the cable connector 31 can be assisted in positioning, further improving the stability of the cable end when it is inserted and connected.

[0034] The cable connector 31 also includes: an elastic reset member 32, and a plurality of symmetrically arranged mounting covers 3 are provided on the separated surfaces of the two supporting frames 13, and the middle part of one side of the mounting cover 3 is movably plugged into the cable connector 31, and both ends of the middle part of one side of the cable connector 31 are fixedly connected with the elastic reset member 32 by bolts, and one end of the elastic reset member 32 is fixedly connected to the supporting frame 13 by bolts.

[0035] The cable connector 31 can be reset by the elastic reset member 32 , so that the user can quickly pull the contact piece on-off device 2 when switching on and off, thereby achieving the effect of rapid connection and disconnection.

[0036] The mounting frame 1 also includes: a guide hole 11, and the guide holes 11 are opened in the middle of the upper surface and the middle of the lower surface of the mounting frame 1. The middle of the upper surface of the inner wall of the mounting frame 1 near the two ends, and the middle of the lower surface of the inner wall near the two ends are both rotatably connected with screw rods 12 through bearings. The middle of the supporting frame 13 near the two ends is respectively threadedly connected with the two screw rods 12, and the screw rods 12 serve as a position adjustment mechanism for the supporting frame 13 in the mounting frame 1.

[0037] Among them, the position of each cable connector 31 on the carrier 13 can be limited by the guide hole 11, which improves the uniform orientation of the cable connector 31 and facilitates the user's cable branching effect. The screw rod 12 provided on the mounting frame 1 allows the user to adjust the relative position of the two carriers 13, thereby facilitating the adjustment of the wiring tension of each electrical equipment in the low-voltage distribution box and improving the flatness of the branch wiring.

[0038] Embodiment 2:

[0039] like Figure 1 , Figure 3 , Figure 4 and Figure 7 As shown, a tapping mechanism for a low-voltage distribution box comprises: a mounting frame 1, wherein both upper and lower sides of the inner middle part of the mounting frame 1 are movably connected with a bearing frame 13, and a plurality of contact switching devices 2 are movably arranged between the two bearing frames 13, and the contact switching devices 2 further comprise: a positioning guide column 21 and a limiting guide column 22, wherein a plurality of positioning guide columns 21 and a plurality of limiting guide columns 22 are movably arranged on the two bearing frames 13 in the mounting frame 1, respectively, and elastic parts 23 are arranged near the adjacent ends of the positioning guide columns 21 and the limiting guide columns 22, and one end of the positioning guide column 21 is fixedly connected with a sleeve 24 by bolts, and the sleeve 24 is of a C-shaped structure, and one end of the limiting guide column 22 is fixedly connected with a plug 25 by bolts, and the plug 25 is of a T-shaped structure, and the outer periphery of the plug 25 is movably sleeved with the sleeve 24, and the elastic part 23 serves as a swing adjustment mechanism for the sleeve 24 and the plug 25.

[0040] Among them, by movably connecting multiple positioning guide pillars 21 and limiting guide pillars 22 on two supporting frames 13, it is convenient for users to retract and pull the positioning guide pillars 21 and limiting guide pillars 22 to adjust the position of the plug 25 in the sleeve 24, and then achieve the effect of rapid on-off switching by offset pushing and pulling. The elastic parts 23 provided on the positioning guide pillars 21 and the limiting guide pillars 22 can facilitate users to bend the positioning guide pillars 21 and the limiting guide pillars 22, thereby achieving the effect of rapid offset pushing and pulling of the plug 25 and the sleeve 24.

[0041] The adjacent ends of the positioning guide column 21 and the limiting guide column 22 are both provided with guide pieces 26, and the separated ends of the positioning guide column 21 and the limiting guide column 22 are both provided with guide heads 27. The guide head 27 in the positioning guide column 21 is connected to the guide piece 26 through a cable, and the guide head 27 in the limiting guide column 22 is connected to the guide piece 26 through a cable.

[0042] The guide piece 26 facilitates the signal connection between the plug 25 and the sleeve 24, and the guide head 27 facilitates the signal connection of the cable end of the electrical equipment in the low-voltage distribution box, thereby achieving the effect of signal on-off connection.

[0043] Embodiment three:

[0044] like Figure 1 , Figure 3 , Figure 5 and Figure 6 As shown, a tapping mechanism for a low-voltage distribution box comprises: a mounting frame 1, wherein both upper and lower sides of the inner middle part of the mounting frame 1 are movably connected with a carrier frame 13, and a plurality of contact switching devices 2 are movably arranged between the two carrier frames 13, wherein the contact switching devices 2 serve as a connection and mounting mechanism for cables in the low-voltage distribution box, and both ends of the plurality of contact switching devices 2 pass through the carrier frame 13 and are fixedly sleeved with a cable connector 31, wherein the cable connector 31 further comprises: a limiting groove 44, wherein the middle parts of both sides of the inner wall of the cable connector 31 are provided with limiting grooves 44, and both sides of the middle part of the upper surface of the cable connector 31 are movably plugged with sliding rods 45, and the bottom ends of the two sliding rods 45 pass through the cable connector 31 and are movably plugged with the limiting grooves 44, and the bottom end of one side of the sliding rod 45 is fixedly connected with a pull rope 47 by bolts, and one end of the pull rope 47 is fixedly connected to the scraper 41 by bolts, and the sliding rod 45 adjusts the opening and closing of the two scrapers 41 by the pull rope 47.

[0045] Among them, by pressing the slide bar 45 to drive the pull rope 47 to move downward, the scraper 41 can be driven to compress the spring 42. When the barb group 43 on the scraper 41 is separated from the end of the electrical equipment cable, the user can easily pull out the electrical equipment cable end inserted in the cable connector 31, thereby achieving the effect of convenient insertion and quick replacement, thereby effectively improving the effect of user branching leads.

[0046] The slide bar 45 is an arc plate structure, and the top ends of the two slide bars 45 are fixedly connected with a fixing ring 46 by bolts. The inner diameter of the fixing ring 46 is the same as the inner diameter of the cable connector 31. The fixing ring 46 can enhance the effect of the user's synchronous pressing of the slide bar 45, thereby facilitating the unfolding of the two scrapers 41 in the cable connector 31, thereby achieving the purpose of facilitating wiring and replacement.

[0047] Working principle: When in use, the scraper 41 is movably provided in the cable connector 31, and with the help of the reset limiting effect of the spring 42, the two symmetrically arranged scrapers 41 in the cable connector 31 can clamp and position the inserted cable end, thereby improving the convenience of users inserting the cable connectors of various components and improving the connection efficiency of cable distribution. At the same time, a barb group 43 is provided above the scraper 41, so that the cable end inserted into the cable connector 31 can be auxiliary positioned, further improving the stability of the cable end when it is inserted and connected. By pressing the slide bar 45 to drive the pull rope 47 to move downward, the scraper 41 can be driven to compress the spring 42. When the barb group 43 on the scraper 41 is in contact with the cable When the ends of the gas equipment cables are separated, it is convenient for the user to pull out the ends of the electrical equipment cables inserted in the cable connector 31, thereby achieving the effect of convenient insertion and quick replacement, and thus effectively improving the effect of user branching leads. The cable connector 31 can be reset and limited by the elastic reset member 32, so that the user can quickly pull and retract when switching the contact switching device 2, thereby achieving the effect of quick connection and disconnection. By movably connecting multiple positioning guide posts 21 and limiting guide posts 22 on two carrier frames 13, it is convenient for the user to pull and retract the positioning guide posts 21 and the limiting guide posts 22 to adjust the position of the plug 25 in the sleeve 24, thereby achieving the effect of quick on-off switching by means of offset push-pull.

[0048] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0049] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A tapping mechanism for a low-voltage distribution box, comprising: A mounting frame (1); the mounting frame (1) is movably connected to a bearing frame (13) at both upper and lower sides of the inner middle portion, and the mounting frame (1) is fixedly connected to fixing blocks (14) at both middle edges of the outer sides, the fixing blocks (14) serving as a fixing connection mechanism for the mounting frame (1) in the low-voltage distribution box; The invention is characterized in that a plurality of contact-piece on-off devices (2) are movably arranged between the two bearing frames (13), the contact-piece on-off devices (2) serving as a connecting and installing mechanism for cables in a low-voltage distribution box, and both ends of the plurality of contact-piece on-off devices (2) penetrate the bearing frames (13) and are fixedly sleeved with cable connectors (31); The cable connector (31) is of a hollow structure, and a bracket (4) is fixedly connected to the middle of both sides of the inner wall of the cable connector (31) near the top, and a scraper (41) is movably connected to the bottom of the middle of the bracket (4). A spring (42) is fixedly connected to the middle of the lower surface of the scraper (41), and one end of the spring (42) is fixedly connected to the cable connector (31). A barb group (43) is provided in the middle of the upper surface of the scraper (41), and the barb group (43) serves as a cable insertion and positioning mechanism in the low-voltage distribution box; The mounting frame (1) further comprises: A guide hole (11), the middle of the upper surface and the middle of the lower surface of the mounting frame (1) are both provided with a guide hole (11), the middle of the upper surface of the inner wall of the mounting frame (1) near both ends and the middle of the lower surface of the inner wall near both ends are both rotatably connected with a screw rod (12) through a bearing, the middle of the bearing frame (13) near both ends is respectively threadedly sleeved with the two screw rods (12), and the screw rod (12) serves as a position adjustment mechanism for the bearing frame (13) in the mounting frame (1); The contact piece on-off device (2) further comprises: Positioning guide posts (21) and limiting guide posts (22), wherein a plurality of positioning guide posts (21) and a plurality of limiting guide posts (22) are movably arranged on the two bearing frames (13) in the mounting frame (1), and elastic parts (23) are arranged near the adjacent ends of the positioning guide posts (21) and the limiting guide posts (22), one end of the positioning guide posts (21) is fixedly connected to a sleeve (24), and one end of the limiting guide posts (22) is fixedly connected to a plug (25), and the outer periphery of the plug (25) is movably sleeved with the sleeve (24); The sleeve (24) has a C-shaped structure, the plug (25) has a T-shaped structure, and the elastic portion (23) serves as a swing adjustment mechanism for the sleeve (24) and the plug (25); The adjacent ends of the positioning guide column (21) and the limiting guide column (22) are both provided with guide pieces (26), and the separated ends of the positioning guide column (21) and the limiting guide column (22) are both provided with guide heads (27), the guide heads (27) in the positioning guide column (21) and the guide pieces (26) are connected via cables, and the guide heads (27) in the limiting guide column (22) and the guide pieces (26) are connected via cables; The cable connector (31) further comprises: An elastic reset member (32), a plurality of symmetrically arranged mounting covers (3) are provided on the separated surfaces of the two supporting frames (13), a middle portion of one side of the mounting cover (3) is movably plugged with the cable connector (31), both ends of the middle portion of one side of the cable connector (31) are fixedly connected with elastic reset members (32), and one end of the elastic reset member (32) is fixedly connected to the supporting frame (13); A limiting groove (44), the middle of both sides of the inner wall of the cable connector (31) are provided with limiting grooves (44), the edges of both sides of the middle of the upper surface of the cable connector (31) are movably connected with sliding rods (45), the bottom ends of the two sliding rods (45) pass through the cable connector (31) and are movably connected with the limiting grooves (44), the bottom end of one side of the sliding rod (45) is fixedly connected with a pull rope (47), one end of the pull rope (47) is fixedly connected to the scraper (41), and the sliding rod (45) adjusts the opening and closing of the two scrapers (41) through the pull rope (47); The slide bars (45) are in an arc plate structure, and the top ends of the two slide bars (45) are fixedly connected with fixing rings (46), and the inner diameter of the fixing rings (46) is the same as the inner diameter of the cable connector (31).

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