CN114944567A - Tapping mechanism for low-voltage distribution box - Google Patents

Abstract

The invention relates to the technical field of tapping mechanisms, in particular to a tapping mechanism for a low-voltage power distribution box, comprising an installation frame; the upper and lower sides of the inner middle of the installation frame are movably connected with bearing frames, and the two bearing frames are movably connected to each other. A plurality of contact piece on-off devices are movably arranged between the cable joints; by movably arranged scrapers in the cable joints, the two symmetrically arranged scrapers in the cable joints can clamp the inserted cable ends. Positioning, so as to improve the convenience for users to install the cable connectors of various components, and improve the connection efficiency of cable distribution and connection. By pressing the slide bar, the pull rope moves downward, which can drive the scraper compression spring. When the scraper When the barb group is separated from the cable end of the electrical equipment, it is convenient for the user to pull out the cable end of the electrical equipment installed in the cable connector, so as to achieve the effect of convenient installation and quick replacement, thereby effectively improving The effect of the user tapped lead.

Description

A kind of tap mechanism for low voltage distribution box

technical field

The invention relates to the technical field of tapping mechanisms, in particular to a tapping mechanism for low-voltage distribution boxes.

Background technique

The low-voltage distribution box requires that switchgear, measuring instruments, protective appliances and auxiliary equipment be assembled in a closed or semi-enclosed metal cabinet or on the screen to form a low-voltage distribution box. Each electrical device in the low-voltage distribution box needs to use cables to transmit electrical signals when it is turned on. Users often need to install and fix the cable ends when implementing wiring taps in the low-voltage distribution box, but in actual operation. The tapping mechanism used also has the following shortcomings:

Due to the structural defects of the tapping mechanism in the prior art, when the cable ends of the various electrical equipment in the low-voltage distribution box are wired and arranged, it is inconvenient to insert the cable joints, thus restricting the user. The effect of tapping leads cannot meet the requirements of the prior art.

SUMMARY OF THE INVENTION

In view of this, the purpose of the present invention is to propose a tapping mechanism for a low-voltage distribution box, so as to solve the structural defects of the tapping mechanism in the prior art, when connecting the various electrical equipment in the low-voltage distribution box. When the cable ends are wired, there is a problem that the cable connectors are inconvenient to be pulled out.

Based on the above purpose, the present invention provides a tapping mechanism for a low-voltage power distribution box, comprising: an installation frame; a bearing frame is movably connected to the upper and lower sides of the inner middle of the installation frame, and the middle edge of the outer periphery of the installation frame is on both sides. A fixed block is fixedly connected at all places, and the fixed block is used as a fixed connection mechanism for the installation frame in the low-voltage distribution box;

A plurality of contact piece on-off devices are movably arranged between the two carrying frames. The contact piece on-off devices are used as a connection and installation mechanism for cables in the low-voltage distribution box, and both ends of the plurality of contact piece on-off devices penetrate through. The carrier frame is fixedly sleeved with a cable connector;

The cable joint has a hollow structure, the middle part of the inner wall of the cable joint is fixedly connected with a bracket near the top end, the bottom end of the middle part of the bracket is movably connected with a scraper, and the middle part of the lower surface of the scraper is fixedly connected with a scraper. A spring, one end of the spring is fixedly connected with the cable connector, and a barb group is arranged in the middle of the upper surface of the scraper, and the barb group is used as a cable insertion and positioning mechanism in the low-voltage distribution box.

Preferably, the mounting frame further comprises: guide holes, the middle part of the upper surface and the middle part of the lower surface of the mounting frame are both provided with guide holes, the middle part of the upper surface of the inner wall of the installation frame is close to both ends, and the middle part of the lower surface of the inner wall is close to the two ends. The ends are rotatably connected with screw rods through bearings, the middle part of the carrier frame is threadedly sleeved with two screw rods near both ends, and the screw rods serve as the position adjustment mechanism of the carrier frame in the mounting frame.

Preferably, the contact piece on-off device further comprises: a positioning guide post and a limit guide post, and a plurality of positioning guide posts and a plurality of limit guide posts are respectively movably arranged on the two carriers in the mounting frame, Both the positioning guide post and the limit guide post are provided with elastic parts near the adjacent ends, one end of the positioning guide post is fixedly connected with a sleeve, one end of the limit guide post is fixedly connected with a plug, and the periphery of the plug is connected to the sleeve Active sockets.

Preferably, the socket head has a C-shaped structure, the plug has a T-shaped structure, and the elastic portion serves as a swing adjustment mechanism for the socket head and the plug.

Preferably, the adjacent ends of the positioning guide post and the limit guide post are provided with guide pieces, the ends of the positioning guide post and the limit guide post are provided with guide heads, and the guide heads in the positioning guide post It is connected with the guide piece through a cable, and the guide head and the guide piece in the limit guide post are connected through a cable.

Preferably, the cable joint further comprises: an elastic reset member, a plurality of symmetrically arranged installation covers are provided on the opposite surfaces of the two carriers, and the middle part of one side of the installation cover is movably inserted into the cable joint. The cable joint is connected with an elastic reset piece at both ends of the middle part of one side, and one end of the elastic reset piece is fixedly connected with the carrier frame.

Preferably, the cable joint further comprises: a limit groove, the middle of both sides of the inner wall of the cable joint is provided with a limit groove, and sliding rods are movably inserted at the edges of both sides of the middle of the upper surface of the cable joint, The bottom ends of the two sliding rods pass through the cable joints and are movably plugged into the limit grooves. The bottom end of one side of the sliding rods is fixedly connected with a pull rope, and one end of the pull rope is fixedly connected with the scraper. Adjust the opening and closing of the two scrapers.

Preferably, the sliding rods have an arc plate structure, and a fixing ring is fixedly connected to the top ends of the two sliding rods, and the inner diameter of the fixing ring is the same as the inner diameter of the cable joint.

The beneficial effects of the present invention are: through the scraper provided in the cable joint movably and with the help of the reset and limiting action of the spring, the two symmetrically arranged scrapers in the cable joint can implement the inserted cable end. Clamping and positioning, thus improving the convenience for users to install the cable connectors of various components, and improving the connection efficiency of cable distribution and connection. The cable end can be assisted in positioning, which further improves the stability of the cable end when it is inserted and connected. By pressing the sliding rod, the pull rope is driven to move downward, and then the scraper compression spring can be driven. When the barb group on the scraper When it is separated from the cable end of the electrical equipment, it is convenient for the user to pull out the cable end of the electrical equipment installed in the cable connector, so as to achieve the effect of convenient installation and quick replacement, thereby effectively improving the user's tap lead Effect.

The cable joint can be reset and limited by the elastic reset member, so that the user can quickly retract and pull when switching the on-off device of the contact piece, so as to achieve the effect of quick on and off. The limit guide post is movably connected on the two carriers, so that it is convenient for the user to pull and pull the positioning guide post and the limit guide post to adjust the position of the plug in the socket head, and then realize the effect of fast on-off switching by means of dislocation push-pull.

Description of drawings

In order to illustrate the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the For the invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic diagram of an overall half-section structure according to an embodiment of the present invention;

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

3 is a schematic diagram of a half-section structure of a contact on-off device according to an embodiment of the present invention;

Fig. 4 is a schematic view of enlarged structure at place A in Fig. 3;

Fig. 5 is the enlarged structural schematic diagram at B in Fig. 3;

Fig. 6 is the enlarged structural representation at C in Fig. 3;

FIG. 7 is a schematic structural diagram of a front view of an embodiment of the present invention.

Marked as: 1. Mounting frame; 11. Guide hole; 12. Screw rod; 13. Bearing frame; 14. Fixed block; 2. Contact on-off device; 21. Positioning guide post; ; 23, elastic part; 24, sleeve; 25, plug; 26, guide piece; 27, guide head; 3, installation cover; 31, cable joint; 32, elastic reset piece; 4, bracket; 41, scraper; 42, spring; 43, barb group; 44, limit groove; 45, slide bar; 46, fixing ring; 47, pull rope.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to specific embodiments.

It should be noted that, unless otherwise defined, the technical or scientific terms used in the present invention shall be the usual meanings understood by those with ordinary skill in the art to which the present invention belongs. The terms "first," "second," and similar terms used herein do not denote any order, quantity, or importance, but are merely used to distinguish different components. "Comprises" or "comprising" and similar words mean that the elements or things appearing before the word encompass the elements or things recited after the word and their equivalents, but do not exclude other elements or things. Words like "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right", etc. are only used to represent the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

Example 1:

As shown in Fig. 1, Fig. 2, Fig. 6 and Fig. 7, a tapping mechanism for a low-voltage distribution box includes: an installation frame 1; , the middle edges on both sides of the outer periphery of the mounting frame 1 are fixedly connected with fixing blocks 14 by bolts. Install the mounting bracket 1 in the low-voltage distribution box.

A plurality of contact piece on-off devices 2 are movably arranged between the two carrying frames 13 . Cable joints 31 are fixed and sleeved through the carrier frame 13 at both ends.

Wherein, the circuit in the low-voltage distribution box can be effectively connected through the plurality of contact on-off devices 2 provided on the carrier 13, and the ends of the cables can be connected by the cable joints 31, so that the Each electrical equipment can be connected to the signal, which is convenient for the user to arrange the wiring.

The cable joint 31 has a hollow structure, the middle part of the inner wall of the cable joint 31 is connected to the bracket 4 by bolts at the middle part near the top, and the bottom end of the middle part of the bracket 4 is movably connected with a scraper 41. The middle part of the lower surface of the plate 41 is fixedly connected with a spring 42, and one end of the spring 42 is fixedly connected to the cable connector 31 by bolts. The middle part of the upper surface of the scraper 41 is provided with a barb group 43. The positioning mechanism for cables in the low-voltage distribution box.

Wherein, through the scraper 41 movably provided in the cable joint 31, and by means of the reset and limiting action of the spring 42, the two symmetrically arranged scrapers 41 in the cable joint 31 can be inserted into the cable ends. Clamping and positioning is implemented, thereby improving the convenience for users to install the cable connectors of various components, and improving the connection efficiency of cable distribution and connection. The cable ends in the connector 31 can be assisted in positioning, which further improves the stability of the cable ends when they are inserted and connected.

The cable joint 31 further includes an elastic reset member 32, and a plurality of symmetrically arranged installation covers 3 are disposed on the faces of the two carriers 13 away from each other, and the middle of one side of the installation cover 3 is connected to the cable joint. 31 is movably plugged, and both ends of the middle part of one side of the cable joint 31 are fixedly connected with an elastic reset member 32 by bolts, and one end of the elastic reset member 32 is fixedly connected to the bearing frame 13 by bolts.

Wherein, the cable joint 31 can be reset and limited by the elastic reset member 32, so that the user can quickly retract and pull the contact piece on-off device 2 when switching the on-off device 2, thereby achieving the effect of quick connection and disconnection.

The mounting frame 1 further includes a guide hole 11 , the middle part of the upper surface and the middle part of the lower surface of the mounting frame 1 are provided with guide holes 11 , the middle part of the upper surface of the inner wall of the installation frame 1 is close to both ends, and the middle part of the lower surface of the inner wall Near both ends, the lead screw 12 is rotatably connected with the bearing, and the middle part of the carrier 13 is threadedly sleeved with two lead screws 12 near the two ends. Position adjustment mechanism.

Wherein, the guide holes 11 can limit the position of each cable joint 31 on the carrier frame 13, which improves the uniform orientation of the cable joints 31 and facilitates the effect of the user to tap the cable. The screw rod 12 of the connecting rod allows the user to adjust the relative positions of the two bearing brackets 13, thereby facilitating the adjustment of the wiring tension of each electrical device in the low-voltage distribution box and improving the flatness of the tap wiring.

Embodiment 2:

As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 7, a tapping mechanism for a low-voltage power distribution box includes: an installation frame 1, and a carrier frame 13 is movably connected to the upper and lower sides of the inner middle of the installation frame 1 , a plurality of contact piece on-off devices 2 are movably arranged between the two carrier frames 13 , and the contact piece on-off device 2 further includes: a positioning guide post 21 and a limit guide post 22 . A plurality of positioning guide pillars 21 and a plurality of limit guide pillars 22 are respectively movably arranged on the two bearing frames 13 of the 2 . One end of the positioning guide post 21 is fixedly connected with a socket head 24 by bolts, and the socket head 24 has a C-shaped structure. The outer periphery of the plug 25 is movably sleeved with the socket head 24 , and the elastic portion 23 serves as a swing adjustment mechanism for the socket head 24 and the plug 25 .

Wherein, by movably connecting the plurality of positioning guide posts 21 and the limiting guide posts 22 on the two carriers 13 , it is convenient for the user to pull the positioning guide posts 21 and the limiting guide posts 22 to adjust the position of the plug 25 in the sleeve 24 , and then realize the effect of rapid on-off switching by shifting the push-pull method. The elastic portion 23 provided on the positioning guide post 21 and the limit guide post 22 can facilitate the user to bend the positioning guide post 21 and the limit guide post 22, and then The effect of pushing and pulling the plug 25 and the socket head 24 in rapid dislocation can be achieved.

The adjacent ends of the positioning guide post 21 and the limit guide post 22 are provided with guide pieces 26, and the ends of the positioning guide post 21 and the limit guide post 22 are provided with guide heads 27. The positioning guide post 21 The inner guide head 27 and the guide piece 26 are connected by a cable, and the guide head 27 and the guide piece 26 in the limiting guide post 22 are connected by a cable.

Wherein, the signal connection between the plug 25 and the socket head 24 is facilitated by the guide piece 26, and the signal connection of the cable end of the electrical equipment in the low-voltage distribution box is facilitated by the guide head 27, so as to realize the effect of signal connection.

Embodiment three:

As shown in Fig. 1, Fig. 3, Fig. 5 and Fig. 6, a tapping mechanism for a low-voltage power distribution box includes: an installation frame 1, and a carrier frame 13 is movably connected to the upper and lower sides of the inner middle of the installation frame 1 , a plurality of contact piece on-off devices 2 are movably arranged between the two carrying frames 13, the contact piece on-off device 2 is used as a connection and installation mechanism for cables in the low-voltage distribution box, and a plurality of contact piece on-off devices 2. Cable joints 31 are fixedly sleeved through the carrier frame 13 at both ends, and the cable joints 31 further include: limit slots 44, and limit slots 44 are provided in the middle of both sides of the inner wall of the cable joint 31. Slide bars 45 are movably inserted at both edges of the upper surface of the upper surface of the cable connector 31 , and the bottom ends of the two slide bars 45 are movably inserted through the cable connector 31 and the limit groove 44 , and the bottom end of one side of the slide bars 45 A pull rope 47 is fixedly connected by bolts, one end of the pull rope 47 is fixedly connected with the scraper 41 by bolts, and the sliding rod 45 adjusts the opening and closing of the two scrapers 41 through the pull rope 47 .

Wherein, by pressing the sliding rod 45 to drive the pulling 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, it is convenient for the user to install the The cable end of the electrical equipment in the cable connector 31 is pulled out, so as to achieve the effect of convenient installation and quick replacement, and thus effectively improve the effect of the user in tapping the lead.

The sliding rods 45 have an arc structure. The top ends of the two sliding rods 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 joint 31. The fixing ring 46 can enhance the user's synchronous pressing. The effect of the sliding rod 45 further facilitates the unfolding of the two scrapers 41 in the cable connector 31 , so as to facilitate the disassembly and replacement of the wiring.

Working principle: When in use, the scraper 41 movably provided in the cable joint 31 and the reset and limiting action of the spring 42 enable the two symmetrically arranged scrapers 41 in the cable joint 31 to be inserted into the cable joint 31. The end of the cable is clamped and positioned, thereby improving the convenience for users to install the cable connectors of various components, and improving the connection efficiency of the cable distribution and connection. The end of the cable inserted into the cable connector 31 can be assisted in positioning, which further improves the stability of the cable end when it is inserted and connected. By pressing the sliding rod 45, the pulling rope 47 is driven to move downward, and then the scraper 41 can be driven. The compression spring 42, when the barb group 43 on the scraper 41 is separated from the cable end of the electrical equipment, can facilitate the user to separate the cable end of the electrical equipment installed in the cable connector 31, thereby achieving convenient installation. The effect of quick disassembly and replacement effectively improves the effect of the user in tapping the lead, and the cable joint 31 can be reset and limited by the elastic reset member 32, so that the user can quickly switch the on-off of the contact on-off device 2. By retracting and pulling, the effect of quick connection and disconnection can be achieved. By movably connecting a plurality of positioning guide posts 21 and limit guide posts 22 on the two carriers 13, it is convenient for users to retract and pull the positioning guide posts 21 and the limit guide posts. The column 22 adjusts the position of the plug 25 in the socket head 24, and then realizes the effect of fast on-off switching by means of dislocation push-pull.

Those of ordinary skill in the art should understand that the discussion of any of the above embodiments is only exemplary, and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; under the spirit of the present invention, the above embodiments or There may also be combinations between technical features in different embodiments, steps may be carried out in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present invention is intended to cover all such alternatives, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (8)

1. A tapping mechanism for a low voltage distribution box, comprising: a mounting frame (1); the upper side and the lower side of the middle part of the inner side of the mounting rack (1) are movably connected with a bearing rack (13), the edges of the middle parts of the two sides of the periphery of the mounting rack (1) are fixedly connected with fixing blocks (14), and the fixing blocks (14) are used as a fixed connecting mechanism of the mounting rack (1) in the low-voltage distribution box;

the low-voltage distribution box 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) are used as connecting and installing mechanisms of cables in the low-voltage distribution box, and cable joints (31) are fixedly sleeved at two ends of the plurality of contact piece on-off devices (2) through the bearing frames (13);

cable joint (31) are cavity type structure, cable joint (31) inner wall both sides middle part is close to equal fixedly connected with support (4) of top department, support (4) middle part bottom swing joint has scraper blade (41), surface middle part fixedly connected with spring (42) under scraper blade (41), spring (42) one end connects (31) fixed connection with the cable, scraper blade (41) upper surface middle part is provided with barb group (43), barb group (43) are as the ann of low voltage distribution box in the cable insert positioning mechanism.

2. Tapping mechanism for a low-voltage distribution box according to claim 1, characterized in that said mounting frame (1) further comprises:

bullport (11), bullport (11) have all been seted up at mounting bracket (1) upper surface middle part and lower surface middle part, mounting bracket (1) inner wall upper surface middle part is close to both ends department and inner wall lower surface middle part and all is connected with lead screw (12) through the bearing rotation near both ends department, bear frame (13) middle part and be close to both ends department respectively with two lead screw (12) screw thread cup joint, lead screw (12) regard as the position control mechanism who bears frame (13) in mounting bracket (1).

3. Tapping mechanism for low-voltage distribution boxes according to claim 1, characterized in that said contact on-off device (2) further comprises:

the positioning guide post comprises a positioning guide post (21) and a limiting guide post (22), a plurality of positioning guide posts (21) and a plurality of limiting guide posts (22) are movably arranged on two bearing frames (13) in the mounting rack (1) respectively, elastic parts (23) are arranged at positions, close to adjacent ends, of the positioning guide posts (21) and the limiting guide posts (22), sleeve heads (24) are fixedly connected to one ends of the positioning guide posts (21), plugs (25) are fixedly connected to one ends of the limiting guide posts (22), and the peripheries of the plugs (25) are movably sleeved with the sleeve heads (24).

4. Tapping mechanism for a low-voltage distribution box according to claim 3, characterized in that said socket (24) is of C-shaped configuration, said plug (25) is of T-shaped configuration, and said elastic portion (23) acts as a swing adjustment mechanism for said socket (24) and said plug (25).

5. The tapping mechanism for low-voltage distribution boxes according to claim 3, characterized in that the adjacent ends of the positioning guide post (21) and the limiting guide post (22) are provided with guide vanes (26), the ends of the positioning guide post (21) and the limiting guide post (22) which are away from each other are provided with guide heads (27), the guide heads (27) and the guide vanes (26) in the positioning guide post (21) are connected by cables, and the guide heads (27) and the guide vanes (26) in the limiting guide post (22) are connected by cables.

6. Tapping mechanism for a low-voltage distribution box according to claim 1, characterized in that said cable connector (31) further comprises:

elasticity resets piece (32), two bear frame (13) looks off the face and be provided with a plurality of symmetry installation cover (3) of arranging, installation cover (3) one side middle part is pegged graft with cable joint (31) activity, the equal fixedly connected with elasticity in cable joint (31) one side middle part both ends resets piece (32), elasticity resets piece (32) one end and bears frame (13) fixed connection.

7. Tapping mechanism for a low-voltage distribution box according to claim 1, characterized in that said cable tie (31) further comprises:

spacing groove (44), spacing groove (44) have all been seted up at cable joint (31) inner wall both sides middle part, cable joint (31) upper surface middle part both sides edge all moves about to peg graft has slide bar (45), and two slide bar (45) bottom run through cable joint (31) and peg graft with spacing groove (44) activity, slide bar (45) one side bottom fixedly connected with stay cord (47), stay cord (47) one end and scraper blade (41) fixed connection, slide bar (45) are through opening and shutting of stay cord (47) two scraper blade (41) of regulation.

8. Tapping mechanism for low-voltage distribution boxes according to claim 7, characterized in that said sliding rods (45) are of arc-plate configuration, and the top ends of the two sliding rods (45) are fixedly connected with a fixing ring (46), and the inner diameter of said fixing ring (46) is the same as the inner diameter of said cable tie (31).

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