CN110082575A - It is a kind of to measure dedicated unilateral lead sealing terminal box and its lead sealing method - Google Patents

Abstract

The invention discloses a single-sided lead-seal junction box for metering, which comprises a box body and a cover plate rotatably mounted on the box body through several tap openings, a protrusion is installed at one end of the box body, and a A sealing port that fits with the protrusion is provided on the position corresponding to the protrusion, a screw hole is provided at the other end of the box body, a round hole is provided at the position corresponding to the screw hole on the cover plate, and the A screw for engaging with the screw hole is provided in the round hole, a penetration hole is provided at the top of the screw, a lead seal is provided inside the round hole, and a steel wire is provided between the lead seal and the penetration hole , a lead seal is installed on the steel wire, and also includes a lead seal method; by constructing a tight fit between the sealing port and the protrusion, the possibility of stealing electricity by opening the lead seal without permission is eliminated, and only one side of the entire junction box needs a lead seal , saving the number of seals used.

Description

One-sided lead-sealed junction box for metering and its lead-sealing method

technical field

The invention relates to the technical field of junction boxes, in particular to a single-side lead-sealed junction box for metering and a lead-sealing method thereof.

Background technique

The existing junction boxes are equipped with lead seals on both sides. This operation method causes double waste of lead seals, and is not conducive to on-site operation. After the entire cover is removed, there is a risk of falling and breaking. The operating personnel need to bend down to pick it up again, which is inconvenient to operate. Even after the holes of the cover plate are aligned with the two screw holes, it is very inconvenient to turn the screws with one hand, so the existing junction box has many defects, which can be improved and utilized appropriately.

Based on the above, the defects of the existing junction box mainly lie in the following three aspects:

First, the existing junction box cover needs to be equipped with double lead seals, resulting in waste of resources;

Second, the existing junction box cover has the risk of falling damage;

Third, the existing junction box cover plate is not convenient for on-site workers to operate.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a single-side lead-sealed junction box and its lead-sealing method for metering, which can effectively solve the problems raised by the background technology.

The technical solution adopted by the present invention to solve its technical problems is:

A single-sided lead-sealed junction box dedicated to metering, including a box body and a cover plate that is rotatably mounted on the box body through several tap openings, a protrusion is installed on one end of the box body, and a corresponding protrusion is placed on the cover plate There is a sealing port fitted with the protrusion at the position, a screw hole is set at the other end of the box body, a round hole is set at the position corresponding to the screw hole on the cover plate, and a round hole is set in the round hole There are screws used to engage with the screw holes, a penetration hole is provided at the top of the screw, a lead seal is provided on the inner side of the round hole, and a steel wire is provided between the lead seal and the penetration hole, and the steel wire There is a lead seal installed on it.

As a preferred technical solution of the present invention, the cover plate rotates around the stopcock opening in an angle range of 0° to 180°, and a limit jack pile for limiting the maximum rotation angle is arranged on the stopcock opening, the The limit jacking pile is L-shaped and fits in contact with the outer wall of the box body.

As a preferred technical solution of the present invention, the inner diameters of the circular hole and the screw hole are the same, and both the circular hole and the screw hole are provided with internal threads matching the screws.

As a preferred technical solution of the present invention, the side wall of the box body is provided with several groups of outlets arranged side by side, and a flexible anti-bending pipe is fixedly installed on the inner side of each outlet.

As a preferred technical solution of the present invention, the surface of the cover plate is larger than the surface of the box body, and a raised wrapping edge is provided on the cover plate corresponding to the protruding edge of the box body, and on the A ring-shaped sealing edge corresponding to the box body is arranged around the inner side of the wrapping edge.

As a preferred technical solution of the present invention, the thickness of the sealing edge is greater than cm, and the sealing edge is U-shaped or L-shaped.

In addition, the present invention provides a method for sealing a single-sided lead-sealed junction box dedicated for measurement, which includes the following steps:

Step 100, rotate the cover plate around the stopcock to the maximum rotation angle, and connect the lines in the box body;

Step 200, after connecting the wires, turn the cover plate around the stopcock to cover the cover plate on the box body, and tighten the screws through the round hole and the screw hole in turn;

Step 300 , passing a steel wire sequentially through the penetration hole and the lead seal, and passing a lead seal on the steel wire, and then tightening the steel wire to achieve sealing.

As a preferred technical solution of the present invention, in step 200, the specific steps of covering the cover plate on the box body to realize sealing are as follows:

Step 201, when the cover plate rotates around the stopcock opening, align the sealing opening with the protrusion, and when the cover plate turns around the stopcock opening to the top of the box body, align the wrapping edge with the inner edge of the box body;

Step 202, align the sealing edge with the outer edge of the box body and press down so that the sealing edge fits the side of the box body inside, and adjust the relative position of the cover plate and the box body so that the round hole and the screw hole are aligned;

Step 203 , passing the screw through the round hole and the screw hole in turn, and tightening the screw through engagement.

Compared with the prior art, the beneficial effects of the present invention are:

The present invention ensures the flexibility of the device by setting a 180-degree rotatable stopcock and does not affect the wiring of the operator. The cover is surrounded by a sealing edge with a certain thickness. The surface area of the cover is slightly larger than the box body, and the extra part is convex. The raised narrow side wraps the entire box body to prevent electricity theft due to insufficient sealing, and the cover and box body are respectively provided with sealing ports and protrusions to make them closely match when the cover is closed, preventing unauthorized Open the possibility of lead seals stealing electricity, so that only one side of the entire junction box needs lead seals, saving the number of lead seals used, and setting the inner diameters of the round holes and screw holes to be the same when lead sealing, only need to pass the steel wire through the lead The penetration hole of the seal and the screw can be sealed with a steel wire after the screw is screwed, which can prevent electricity theft.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative efforts.

The structures, proportions, sizes, etc. shown in this manual are only used to cooperate with the content disclosed in the manual, so that people familiar with this technology can understand and read, and are not used to limit the conditions for the implementation of the present invention, so there is no technical In the substantive meaning above, any modification of structure, change of proportional relationship or adjustment of size shall still fall within the scope of the technical content disclosed in the present invention without affecting the functions and objectives of the present invention. within the range that can be covered.

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of the cover structure of the present invention;

Fig. 3 is a schematic diagram of a bolt structure of the present invention;

Fig. 4 is a schematic diagram of the state after the lead seal of the present invention is added;

Fig. 5 is a schematic flow chart of the sealing method of the present invention.

Labels in the figure: 1-tab hole; 2-sealing port; 3-cover plate; 4-lead seal; 5-round hole; 6-screw hole; 7-sealing edge; 8-outlet port; 9-box body; 10 - penetration hole; 11 - screw; 12 - lead seal; 13 - steel wire; 14 - protrusion.

Detailed ways

In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner" and "outer" are based on those shown in the accompanying drawings. Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be a centered component at the same time.

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

As shown in Figures 1 to 4, the present invention provides a single-sided lead-sealed junction box for metering, which includes a box body 9 and a cover plate 3 that is rotatably mounted on the box body 9 through several tap openings 1 . The angle range of the cover plate 3 rotating around the stopcock 1 is 0-180°, so that the cover plate 3 can rotate freely within the range of 180°. Due to the ability to rotate, the cover plate 3 can not be separated from the box body 9 , and can not affect the operator's wiring when wiring, so that the device has better flexibility. And on the said deadbolt opening, be provided with the limit jacking pile for limiting the maximum rotation angle, the said limit jacking pile is L-shaped and fits and contacts with the outer wall of the box body 9, by setting the limit jacking pile, the cover plate 3 After turning 180°, it can be directly attached to the side wall of the box body 9, and the top function of the side wall ensures that the cover plate 3 will not rotate at an excessive angle.

As shown in Figure 1, the side wall of the box body 9 is provided with several groups of outlets 8 arranged side by side, and a flexible anti-bending tube is fixedly installed on the inner side of each outlet 8, and the outlet 8 can be flexibly installed. and at the conventional outlet 8, the cables tend to be worn due to friction and other effects and cause the cables to break. Therefore, a flexible meandering tube is set at the outlet 8, through the flexible action of the flexible meandering tube. Protect its cables from breakage due to wear and tear.

The surface of the cover plate 3 is larger than the surface of the box body 9, and the corresponding edge of the box body 9 protruding on the cover plate 3 is provided with a raised surrounding wrapping edge, and the surrounding wrapping edge is opposite to the cover plate 3 The extra part of the box body 9, that is, the box body 9 is wrapped by the extra part to improve its overall sealing effect, and an annular ring corresponding to the box body 9 is provided on the inner side of the surrounding wrapping edge. The sealing edge 7, the thickness of the sealing edge 7 is greater than 2cm, and the sealing edge 7 is U-shaped or L-shaped, and the closed relationship between the cover plate 3 and the box body 9 is better by fitting, which can prevent Stealing electricity caused by insufficient sealing.

As shown in Figures 1 and 2, a protrusion 14 is installed at one end of the box body 9, and a sealing port 2 fitted with the protrusion 14 is provided on the position corresponding to the protrusion 14 on the cover plate 3, The closure of one end is realized by the fitting effect of the protrusion 14 and the sealing port 2. Due to the tight fit between the sealing port 2 and the protrusion 14, the possibility of opening the lead seal 12 to steal electricity without authorization is prevented. The other end of the box body 9 is provided with a There is a screw hole 6, and a circular hole 5 is provided at the position corresponding to the screw hole 6 on the cover plate 3. The inner diameter of the circular hole 5 and the screw hole 6 is the same, and both in the circular hole 5 and the screw hole 6 An internal thread matching the screw 11 is provided, so that the screw can engage with the round hole 5 and the screw hole 6 respectively to form an integral structure, avoiding the closure of the conventional structure only through the pulling force generated by the engagement of the ends. Better closure stability and reliability.

As shown in Figure 4, a screw 11 for engaging with the screw hole 6 is provided in the circular hole 5, a penetration hole 10 is provided at the top of the screw 11, and a lead seal 4 is provided inside the circular hole 5 , and a steel wire 13 is provided between the lead seal 4 and the penetration hole 10, a lead seal 12 is installed on the steel wire 13, the steel wire 13 passes through the penetration hole 10 on the lead seal 4 and the screw 11, and is screwed After screw 11 is finished, steel wire 13 is utilized to install lead seal 12 additionally, which can prevent electric stealing.

In addition, in the present invention, as shown in FIG. 5 , a method for sealing a junction box with single-sided lead sealing for metering includes the following steps:

Step 100, rotate the cover plate around the stopcock to the maximum rotation angle, and connect the lines in the box body;

Step 200, after connecting the wires, turn the cover plate around the stopcock to cover the cover plate on the box body, and tighten the screws through the round hole and the screw hole in turn;

Step 300 , passing a steel wire sequentially through the penetration hole and the lead seal, and passing a lead seal on the steel wire, and then tightening the steel wire to achieve sealing.

In step 200, the specific steps for covering the cover plate on the box body to realize sealing are:

Step 201, when the cover plate rotates around the stopcock opening, align the sealing opening with the protrusion, and when the cover plate turns around the stopcock opening to the top of the box body, align the wrapping edge with the inner edge of the box body;

Step 202, align the sealing edge with the outer edge of the box body and press down so that the sealing edge fits the side of the box body inside, and adjust the relative position of the cover plate and the box body so that the round hole and the screw hole are aligned;

Step 203 , passing the screw through the round hole and the screw hole in turn, and tightening the screw through engagement.

Based on the above, the specific working method of this embodiment is as follows:

When in use, it can be operated by opening the cover plate 3 on one side, and at the same time, the sealing port 2 and the protrusion 14 are closely matched, and there is no possibility of stealing electricity by opening the lead seal 12 without permission, avoiding the use of lead seals on both sides in the prior art to prevent electricity theft However, only one side of the entire junction box needs lead seals 12, which saves the number of lead seals 12 used. In addition, the cover 3 is connected by rotation so that the operator does not have to bend down to pick up the cover 3 placed on the ground. It is convenient for operation, and at the same time avoids the inconvenience of pressing the cover plate 3 with one hand and finding the screw 11 with the other hand. In the device, the stopcock 1 can be rotated 180 degrees to ensure the flexibility of the device without affecting the wiring. The cover plate 3 is surrounded by a sealing edge 7 , has a certain thickness, the surface area of the cover plate 3 is slightly larger than the box body 9, and the extra part is the raised narrow side, wrapping the whole box body 9, after screwing the screw 11, use the steel wire 13 to pass through the lead seal 4 and the screw The penetration hole 10 of 11 installs lead seal 12 additionally, can prevent electric stealing, and wherein, circular hole 5 and screw hole 6 inner diameters are identical in size, and all kinds of outlets are drawn by outlet 8.

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand: The technical solutions described in the embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions in the embodiments of the present invention.

Claims (8)

1. A special-purpose unilateral lead-seal junction box for metering, comprising a box body (9) and a cover plate (3) that is installed on the box body (9) by rotation of several stopcocks (1), it is characterized in that, in the A protrusion (14) is installed at one end of the box body (9), and a sealing port (2) fitted with the protrusion (14) is provided on the position corresponding to the protrusion (14) on the cover plate (3) , a screw hole (6) is provided at the other end of the box body (9), a circular hole (5) is provided at the position corresponding to the screw hole (6) on the cover plate (3), and a circular hole (5) is provided at the position of the circular hole (5) is provided with a screw (11) for engaging with the screw hole (6), a penetration hole (10) is provided at the top of the screw (11), and a lead seal is provided inside the round hole (5) (4), and a steel wire (13) is provided between the lead seal (4) and the penetration hole (10), and a lead seal (12) is installed on the steel wire (13). 2. A single-sided lead-sealed junction box for metering according to claim 1, characterized in that the angle range of the cover plate (3) rotating around the stopcock (1) is 0-180°, and at the The top of the deadbolt opening is provided with a limit jacking pile for limiting the maximum rotation angle, and the limit jack pile is L-shaped and is in contact with the outer wall of the box body (9). 3. A special single-sided lead-sealed junction box for metering according to claim 1, characterized in that, the inner diameters of the round hole (5) and the screw hole (6) are the same, and in the round hole (5) All be provided with the internal thread that matches with screw (11) in the screw hole (6). 4. A special unilateral lead-seal junction box for metering according to claim 1, characterized in that, the side wall of the box body (9) is provided with several groups of outlets (8) arranged side by side, corresponding to each Flexible anti-bending tubes are fixedly installed on the inner sides of each of the outlets (8). 5. A special unilateral lead-sealed junction box for metering according to claim 1, characterized in that, the surface of the cover plate (3) is larger than the surface of the box body (9), and the cover plate (3) ) is provided with a raised surrounding wrapping edge on the protruding edge corresponding to the box body (9), and an annular sealing edge (7) corresponding to the box body (9) is provided on the inner side of the surrounding wrapping edge. 6. A special unilateral lead-sealed junction box for metering according to claim 5, characterized in that the thickness of the sealing edge (7) is greater than 2 cm, and the sealing edge (7) is U-shaped or L-shaped font. 7. A method for sealing a single-sided lead-sealed junction box for metering, characterized in that it comprises the following steps: Step 100, rotate the cover plate around the stopcock to the maximum rotation angle, and connect the lines in the box body; Step 200, after connecting the wires, turn the cover plate around the stopcock to cover the cover plate on the box body, and tighten the screws through the round hole and the screw hole in sequence; Step 300 , passing a steel wire sequentially through the penetration hole and the lead seal, and passing a lead seal on the steel wire, and then tightening the steel wire to achieve sealing. 8. The lead sealing method of a single-side lead-sealed junction box for metering according to claim 7, characterized in that, in step 200, the specific steps of covering the box body with a cover plate to achieve sealing are as follows: Step 201, when the cover plate rotates around the stopcock opening, align the sealing opening with the protrusion, and when the cover plate turns around the stopcock opening to the top of the box body, align the wrapping edge with the inner edge of the box body; Step 202, align the sealing edge with the outer edge of the box body and press down so that the sealing edge fits the side of the box body inside, and adjust the relative position of the cover plate and the box body so that the round hole and the screw hole are aligned; Step 203 , passing the screw through the round hole and the screw hole in turn, and tightening the screw through engagement.