Plug box for bus duct

Abstract

The utility model discloses a jack box for a bus duct, which comprises a bus duct body and a jack box body erected at the top of the bus duct body, the outer walls of the two sides of the bus duct body are fixedly connected with fixing seats, the tops of the two fixing seats are provided with positioning holes, and the inner walls of one sides of the four positioning holes are provided with clamping grooves; and four positioning columns are symmetrically and fixedly connected to the bottom of the jack box body, elastic clamping pieces are installed on the outer walls of one sides of the four positioning columns, and the elastic clamping pieces are matched with the clamping grooves. According to the utility model, through the arrangement of the fixed seat, the positioning hole, the clamping groove, the positioning column, the elastic clamping piece, the shell, the shell, the manual screw rod and the pulling assembly, the limiting fixation of the bus duct and the jack box can be realized in a one-key manner, and the limiting between the bus duct and the jack box can also be released in a one-key manner, so that the original multi-group bolt and nut mounting structure is replaced; therefore, the connection between the bus duct and the jack box is more convenient and faster, and the installation efficiency of the jack box is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plug-in box, especially to a plug-in box for bus duct. BACKGROUND

[0002] The plug-in box for bus duct belongs to bus duct accessories, mainly extends and develops branch lines of bus duct. The plug-in box is generally provided with a molded case circuit breaker, which is connected with the bus duct through a plug pin, the plug pin is connected with the inlet end of the circuit breaker, the electrical equipment is connected with the outlet end of the circuit breaker, and the circuit is disconnected and protected through the circuit breaker. Thus, the current of the main line of the bus duct is shunted to the electrical equipment, and the use and maintenance are very convenient.

[0003] At present, the elastic plug on the box body needs to be aligned with the socket of the bus duct and inserted, and then a plurality of bolts and nuts are matched and locked with the preset mounting holes one by one to realize the installation of the plug-in box. Since each bolt needs to be screwed and fixed separately, the operation steps are complicated, and the overall installation efficiency is low. SUMMARY

[0004] The utility model discloses a plug-in box for bus duct to solve the shortcomings in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model discloses the following technical scheme: a plug-in box for bus duct, including bus duct body and the plug-in box body of erecting at the top of bus duct body, both sides outer walls of bus duct body are all connected with fixed seat, the top of two fixed seats all is equipped with positioning hole, one side inner wall of four positioning holes all is equipped with the groove;

[0006] The bottom of the plug-in box body is fixedly connected with four positioning columns, the outer wall of one side of the four positioning columns is installed with an elastic clamping piece, and the elastic clamping piece is matched with the groove;

[0007] The outer wall of both sides of the plug-in box body is fixedly connected with the shell, and the shell is fixedly connected with the adjacent two positioning columns, and the adjacent end of the two shells is fixedly connected with the shell, the shell is installed with the manual screw rod, and the manual screw rod is installed with the pulling assembly between the four elastic clamping pieces.

[0008] Further, the four elastic clamping pieces all include an installation cavity, and the installation cavity is arranged in the inside of the positioning column, one side inner wall of the installation cavity is fixedly connected with the hole plate, the outer surface of the hole plate is fixedly installed with the spring, the other end of the spring is fixedly connected with the limiting plate, the outer surface of the limiting plate is fixedly connected with the clamping block, the clamping block extends to the outside through the inner wall of the positioning column and is slidably connected between the positioning columns, and the spring is arranged to reset the limiting plate and the clamping block when losing external force.

[0009] Further, the card block is matched with the card slot, the card block and the card slot are matched with limiting effect, and the limiting of the positioning column and the positioning hole can be realized.

[0010] Further, the manual screw rod comprises a hand wheel, the hand wheel is arranged on the outer side of the shell, one side of the outer surface of the hand wheel is fixedly connected with a screw rod, the screw rod extends through the outer wall of the shell to the inside, the outer surface of the screw rod is threadedly sleeved with a nut, and the nut is fixedly connected with the shell, and the nut is arranged so that the screw rod can be displaced when rotating.

[0011] Further, the pulling assembly comprises a movable plate, the movable plate is rotationally embedded on the outer surface of the screw rod and slidably attached to the inner wall of the shell, two symmetrical three-end forked traction ropes are fixedly connected to one side of the outer surface of the movable plate, the other two free ends of each three-end forked traction rope are sequentially threaded through the inner wall of the shell, the adjacent shell body and the adjacent positioning column, and finally extend to the inside of the corresponding installation cavity and are fixedly connected with the limiting plate, the hole plate is sleeved on the outer surface of the three-end forked traction rope, the shell has a limiting effect on the movable plate, and the stability of the movable plate can be ensured.

[0012] Further, the four positioning columns are matched with the positioning holes, and the positioning columns and the positioning holes can be used to limit and install the plug-in box body.

[0013] The utility model discloses the beneficial effect:

[0014] In use, the plug-in box for bus duct, through the fixed seat, the positioning hole, the card slot, the positioning column, the elastic card piece, the shell, the shell, the manual screw rod and the pulling assembly, the limiting fixing of bus duct and plug-in box can be realized by one key, and the limiting between the two can also be released by one key, replacing the original multi-group bolt, nut mounting structure, so that the connection of bus duct and plug-in box is more convenient and fast, and the installation efficiency of plug-in box is improved. ACCURATE DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific implementation mode description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 The utility model discloses the perspective view of the plug-in box body;

[0017] Figure 2 The utility model discloses the plug-in box body side view;

[0018] Figure 3 The utility model discloses the Figure 2Enlarged view at A;

[0019] Figure 4 The shell section view of the utility model;

[0020] Figure 5 The bus duct body side view of the utility model.

[0021] The signs are as follows:

[0022] 1, bus duct body, 2, plug-in box body, 3, shell, 4, fixed seat, 5, clamping block, 6, hand wheel, 7, positioning column, 8, limiting plate, 9, three-end bifurcated traction rope, 10, installation cavity, 11, hole plate, 12, spring, 13, shell, 14, movable plate, 15, screw, 16, nut, 17, clamping groove, 18, positioning hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] As Figures 1 to 5 Indicated, relate to a kind of bus ducts with plug-in box, including bus duct body 1 and erecting the plug-in box body 2 of bus duct body 1 top, the both sides outer wall of bus duct body 1 are all fixedly connected with fixed seat 4, the top of two fixed seats 4 is all set with positioning hole 18, the inner wall of one side of four positioning holes 18 is all set with clamping groove 17.

[0025] The bottom of plug-in box body 2 is fixedly connected with four positioning columns 7, four positioning columns 7 are all matched with positioning hole 18, the outer wall of one side of four positioning columns 7 is all installed with elastic clamping piece, four elastic clamping pieces all include installation cavity 10, and installation cavity 10 is set in the inside of positioning column 7, the inner wall of one side of installation cavity 10 is fixedly connected with hole plate 11, the outer surface of hole plate 11 one side is fixedly installed with spring 12, the other end of spring 12 is fixedly connected with limiting plate 8, the outer surface of limiting plate 8 one side is fixedly connected with clamping block 5, and clamping block 5 extends to outside through positioning column 7 inner wall, and is slidably connected between positioning column 7, clamping block 5 is matched between clamping groove 17, spring 12 provides the continuous elastic force of making clamping block 5 keep outwardly extended state, ensure that it can be automatically clamped into clamping groove 17 after being inserted into positioning hole 18, and the design of limiting plate 8 prevents spring 12 from excessive compression or disengagement, improves structural reliability.

[0026] Both sides of the plug-in box body 2 are fixedly connected with the shell 3, and the shell 3 is fixedly connected with the adjacent two positioning columns 7, and the adjacent one end of the two shells 3 is fixedly connected with the shell 13, the shell 13 is installed with the manual screw rod, the manual screw rod is installed with the pulling assembly between the four elastic clamping pieces, the manual screw rod comprises the hand wheel 6, and the hand wheel 6 is arranged on the outer side of the shell 13, the outer surface of the hand wheel 6 is fixedly connected with the screw rod 15, and the screw rod 15 extends to the inside through the outer wall of the shell 13, the outer surface of the screw rod 15 is threadedly sleeved with the nut 16, and the nut 16 is fixedly connected with the shell 13, the pulling assembly comprises the movable plate 14, the movable plate 14 is rotatably embedded on the outer surface of the screw rod 15 and is slidably attached to the inner wall of the shell 13, the outer surface of the movable plate 14 is fixedly connected with the two three-end bifurcated traction ropes 9 on the side, and the other two free ends of each three-end bifurcated traction rope 9 are sequentially arranged through the inner wall of the shell 13, the adjacent shell 3 and the adjacent positioning column 7, and finally extend to the inside of the corresponding installation cavity 10 and are fixedly connected with the limiting plate 8, and the hole plate 11 is sleeved on the outer surface of the three-end bifurcated traction rope 9, the hand wheel 6 is convenient for the operator to apply force, the screw rod 15 and the nut 16 are threadedly matched to realize accurate position adjustment and ensure stable operation of the pulling assembly. The three-end bifurcated traction rope 9 is made of high-strength flexible material, which ensures that it will not break under stress.

[0027] Working principle: during installation, the hand wheel 6 is rotated, the hand wheel 6 drives the screw rod 15 to move, the screw rod 15 is matched with the nut 16 to drive the movable plate 14 to move away from the plug-in box body 2, when the movable plate 14 moves, one end of the three-end bifurcated traction rope 9 is pulled to move, then the remaining two movable free ends of the three-end bifurcated traction rope 9 drive the limiting plate 8 to move to the side of the hole plate 11, the spring 12 is pressed, until the end face of the clamping block 5 is flush with the outer wall of the positioning column 7, then the elastic plug on the plug-in box body 2 is inserted into the socket of the bus duct body 1, at the same time, the positioning column 7 is inserted into the positioning hole 18, then the movable plate 14 is reset through the manual screw rod, so that the connecting end of the three-end bifurcated traction rope 9 and the movable plate 14 is close to the plug-in box body 2, thereby reducing the pulling of the limiting plate 8, the limiting plate 8 and the clamping block 5 are reset under the action of the spring 12, the clamping block 5 is inserted into the clamping groove 17, and the limiting and fixing of the plug-in box body 2 are realized.

[0028] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A plug-in box for bus ducts, comprising a bus duct body (1) and a plug-in box body (2) erected on the top of the bus duct body (1), characterized in that: Both sides of the bus duct body (1) are fixedly connected with a fixed seat (4), the top of the two fixed seats (4) is provided with a positioning hole (18), and the inner wall of one side of the four positioning holes (18) is provided with a clamping groove (17). The bottom of the plug-in box body (2) is fixedly connected with four positioning columns (7), the outer wall of one side of the four positioning columns (7) is mounted with an elastic clamping piece, and the elastic clamping piece is matched with the clamping groove (17). The outer wall of both sides of the plug-in box body (2) is fixedly connected with a shell (3), and the shell (3) is fixedly connected with the adjacent two positioning columns (7), the adjacent end of the two shells (3) is fixedly connected with an outer shell (13), and the outer shell (13) is mounted with a manual screw rod.

2. The plug-in box for bus ducts according to claim 1, characterized in that: The four elastic clamping pieces all include a mounting cavity (10), which is arranged in the inner part of the positioning column (7), the inner wall of one side of the mounting cavity (10) is fixedly connected with a hole plate (11), the outer surface of the hole plate (11) is fixedly mounted with a spring (12), the other end of the spring (12) is fixedly connected with a limiting plate (8), the outer surface of the limiting plate (8) is fixedly connected with a clamping block (5), and the clamping block (5) extends to the outside through the inner wall of the positioning column (7) and is slidably connected with the positioning column (7).

3. The plug-in box for bus ducts according to claim 2, characterized in that: The clamping block (5) is matched with the clamping groove (17).

4. The plug-in box for bus ducts according to claim 3, characterized in that: The manual screw rod includes a hand wheel (6), and the hand wheel (6) is arranged outside the outer shell (13), the outer surface of the hand wheel (6) is fixedly connected with a screw rod (15), the screw rod (15) extends to the inside through the outer wall of the outer shell (13), the outer surface of the screw rod (15) is threadedly sleeved with a nut (16), and the nut (16) is fixedly connected with the outer shell (13).

5. The plug-in box for bus ducts according to claim 4, characterized in that: The pulling assembly includes a movable plate (14), and the movable plate (14) is rotatably embedded on the outer surface of the screw rod (15) and slidably attached to the inner wall of the outer shell (13), the outer surface of the movable plate (14) is fixedly connected with two three-end branched traction ropes (9) on one side, and the other two free ends of each three-end branched traction rope (9) pass through the inner wall of the outer shell (13), the adjacent shell (3) and the adjacent positioning column (7) in sequence, and finally extend to the inside of the corresponding mounting cavity (10) and are fixedly connected with the limiting plate (8), and the hole plate (11) is sleeved on the outer surface of the three-end branched traction rope (9).

6. The plug-in box for bus ducts according to claim 1, characterized in that: The four positioning columns (7) are matched with the positioning holes (18).

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