CN216016009U - Mounting bracket and block terminal - Google Patents

Abstract

The utility model provides a mounting bracket and block terminal belongs to block terminal technical field, including being used for installing the pedestal of zero row and/or ground row to and locate the protecting cover of pedestal top. The protecting cover and the side plates are provided with strip-shaped through holes along the arrangement direction of the wire distributing holes arranged in the zero row and/or the ground row and the protecting cover. The width of the strip-shaped through hole is smaller than the diameter size of the screw heads used for the zero row and/or the ground row, and the distance between the protective cover and the zero row and/or the ground row is smaller than the size of the screwed screw. The utility model discloses a structural design of protecting cover and bar through-hole can arrange and carry out the part to installing zero row wherein and/or ground and cover, prevents that zero row and/or ground from arranging the screw of fixed usefulness of wiring and coming off in the use.

Description

Mounting bracket and block terminal

Technical Field

The utility model relates to an integrated equipment field especially relates to a mounting bracket and block terminal that are used for installing at least one in zero row, the ground row in the block terminal.

Background

The distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. The distribution box is usually provided with a zero line bar and a ground line bar, which are one of important components of the distribution box and are usually made into copper bars, so as to separate one wire into branch wires, so as to meet the zero line wiring requirements of a plurality of devices in the distribution box and realize the transmission of current. An insulated mounting bracket is currently provided because, in use, current flows through the zero row, which directly contacts the box body, causing the entire distribution box to be charged.

Zero ground of present block terminal is arranged and is had two kinds of installation statuses: one is that the screw is exposed, and the risk of falling of the screw is easily caused in the wiring process of personnel due to transportation vibration; the other type is for preventing the screw from dropping, has designed the protecting cover in the top of copper bar, has been used for the part to shield zero line row and ground wire row, though this design can prevent dropping of screw to a certain extent, but when the block terminal equipment, need take off the protecting cover, inconvenient operation. Based on this, the present application is proposed.

Disclosure of Invention

The utility model provides a be not enough to prior art, the utility model provides a mounting bracket and block terminal of zero ground row of block terminal solves the problem that the screw easily drops in the zero ground row among the prior art, reduces and avoids the reliability that the screw drops, improves the product in transportation, the use even.

In order to achieve the above object, the utility model discloses the mounting bracket structure as follows: the side plate is arranged above the seat body, the protecting cover, the side plate and the seat body enclose to form a space for installing zero row and/or ground row, and the zero row and/or the ground row (which means either the zero row or the ground row or both the zero row and the ground row) are fixed on the mounting frame through screws. The protecting cover set up in the top of pedestal, optional, the protecting cover with pedestal parallel arrangement.

The protecting cover is provided with through holes, the through holes correspond to the screws used for the zero row and/or the ground row and the screws used for mounting the zero row and/or the ground row, the size of each strip-shaped through hole is smaller than the size of a nut of the screws used for the zero row and/or the ground row, and the distance between the protecting cover and the zero row and/or the ground row is smaller than the length of the screws.

The bar through-hole that sets up with a plurality of separated time holes on zero row, the ground row in the above-mentioned structure not only can carry out the part through the protecting cover to installing in the utility model discloses zero row, ground row in the mounting bracket are covered, prevent that the screw from droing after becoming flexible, also through the structure of through-hole, have made things convenient for the wiring personnel to directly carry out the operation of working a telephone switchboard unimpededly from the top of mounting bracket, make things convenient for the wiring operation in equipment operation and follow-up maintenance and maintenance process.

The utility model discloses further set up as follows: the through holes are strip-shaped through holes.

The utility model discloses a design bar through-hole compares and sets up a plurality of round holes in one to one on the protecting cover, because the screw on the copper bar closely arranges, and the clearance is less between the row's of antithetical couplet round hole on the mounting bracket, appears splitting and the incomplete phenomenon of moulding plastics between hole and the hole easily, not only can destroy the product appearance, has also reduced the intensity of base, consequently the utility model has the advantages of reasonable design, structural strength are higher, can avoid leading to the mounting bracket to be damaged at the wiring in-process because the structure is fragile to be suitable for long-term use.

The utility model discloses further set up as follows: the length of the strip-shaped through holes corresponds to at least 3 zero or ground rows of the screws used, to ensure structural strength.

The utility model discloses further set up as follows: be equipped with the baffle between the middle part of the pedestal of the middle part of protecting cover and below, the baffle will the protecting cover the curb plate with the pedestal encloses to close and is formed with space separation, is used for installing zero row and ground row respectively, both can rationally arrange the space, guarantee that zero row and ground have certain effect between arranging electrical insulation and handle, also provide the strong point for the middle part of mounting bracket through the baffle, avoid the middle part of mounting bracket concave, collapse, when improving mounting bracket structural strength, also kept the pleasing to the eye of outward appearance.

The utility model discloses further set up as follows: be equipped with two at least bar through-holes on the protecting cover of baffle both sides respectively, when arranging the use with zero row simultaneously and ground, can avoid zero row, arrange to mix and use the bar through-hole, avoid reducing the electrical insulation effect of baffle, this structure has avoided design trompil above the baffle simultaneously, with this mounting bracket structural strength.

The utility model discloses further set up as follows: the length of the strip-shaped through holes preferably corresponds to 4 zero or ground rows of screws used, in order to ensure the structural strength of the mounting frame.

The utility model discloses further set up as follows: the pedestal, the protecting cover and the side plates are cuboids, and the side plates comprise the protecting cover and left and right side plates in the length direction of the pedestal and rear side plates in the width direction of the pedestal. Through the curb plate setting of left and right, back three sides, both ensured the protecting cover for the stability of the structure of pedestal, also trilateral enclose to close and form only front side open-ended surrounding structure, utilize the material characteristic of mounting bracket self, can provide an independent space that has certain electrical insulation protection effect for installing in placing of zero row and ground row.

The utility model discloses further set up as follows: and the strip-shaped through holes are provided with round through holes with larger apertures at the parts corresponding to the wire distributing holes of any two spaced zero rows and/or ground rows, and particularly, the apertures of the round through holes are not smaller than the diameter of the head of the screw for fixing.

Meanwhile, the seat body is provided with connecting grooves or connecting holes corresponding to the through holes for connecting and fixing on the zero row or the ground row and/or corresponding to the round through holes.

Above-mentioned structure can be arranged zero, ground and mounting bracket fixed connection to allow from protecting cover top downwards insert the screw zero row, ground row, mounting bracket together with the block terminal on connection structure be connected fixedly, convenient operation.

For easy to assemble, the utility model discloses further set up as follows: the base body is provided with a connecting groove with an opening at the side edge corresponding to the round through hole, and the opening at the side wall is positioned at the connecting part of the base body and the side plate.

The utility model discloses further set up as follows: the connecting groove is rectangular, is convenient to process and use, and can also provide the reliability of the connecting structure.

The utility model discloses further set up as follows: the protecting cover and the side plate are integrally formed, so that the protecting cover and the seat body are convenient to process and assemble, and the structural strength is also enhanced.

The utility model discloses further set up as follows: the protecting cover and/or the side plate are/is provided with outward bulges which are used for connection and positioning.

The utility model discloses further set up as follows: the protrusion is plate-shaped, and the reliability of the protrusion in matching with the groove or the through groove can be improved.

The utility model discloses further set up as follows: protruding follow arbitrary curb plate on the length direction of protecting cover, follow the length direction of protecting cover is outside protruding, can not influence the wiring operation, and suits with the installation condition of mount frame in the block terminal, avoids appearing the mounted position conflict.

Another object of the present invention is to provide a distribution box, wherein the mounting rack is assembled therein.

The utility model has the advantages as follows: the utility model discloses an installation frame with protecting cover carries out partial covering to its inside zero row, ground row and the combination of the two to bar through-hole structure has been seted up on the protecting cover, the width of this structure little with the diameter size of screwhead, highly also be less than the size after the screw is twisted out apart from the screw, in the wiring process, the screwdriver can directly be followed the top of protecting cover and screwed up and unscrew the screw through bar through-hole, both convenient operation, also can avoid the risk that the screw drops.

Drawings

Fig. 1 is the overall schematic view of the mounting frame according to the embodiment of the present invention.

Fig. 2 is a schematic top view of a mounting bracket according to an embodiment of the present invention.

Fig. 3 is a schematic sectional view taken along the line a-a in fig. 2.

Fig. 4 is a schematic view of the use of the mounting rack according to the embodiment of the present invention.

Fig. 5 is a schematic view of a distribution box according to an embodiment of the present invention.

Fig. 6 is a schematic view of a use state of the mounting frame according to the embodiment of the present invention.

Fig. 7 is a top view of the mounting frame according to the embodiment of the present invention.

Fig. 8 is a schematic cross-sectional view taken along line B-B in fig. 7.

Reference numerals: 1. a mounting frame; 2. zero row; 3. a rear connecting frame; 4. a side link; 11. a first strip-shaped through hole; 12. a strip-shaped through hole II; 13. a strip-shaped through hole III; 14. a strip-shaped through hole IV; 15. connecting a first connecting groove; 16. connecting groove two; 17. a first connecting hole; 18. a second connecting hole; 14a, a round through hole; 211. a first connecting inner hole; 212. connecting an inner hole II; 21. a wire dividing hole; 31. fixing the inner hole; 100. a distribution box housing; 101. a base body; 102. a protective cover; 103. a partition plate; 104. side inserting pieces; 105. a rear side plate.

Detailed Description

The utility model provides a block terminal and mounting bracket 1, including being used for installing the pedestal 101 of zero row 2 and/or ground row to and locate the protecting cover 102 of pedestal 101 top. The protecting cover 102 and the side plates are provided with strip-shaped through holes along the arrangement direction of the wire distributing holes 21 in the zero row 2 and/or the ground row and on the protecting cover 102. The cover 102 can partially cover the zero row 2 and/or the ground row installed therein, and prevent the screws for fixing the wires in the zero row 2 and/or the ground row from falling off during use.

The present invention will be described in detail with reference to the following embodiments.

Embodiment 1 is as shown in fig. 1, this embodiment provides an installation rack 1, including pedestal 101, left side board, rear side board 105, right side board and protecting cover 102, protecting cover 102 and left side board, rear side board 105, right side board integrated into one piece set up in the side of pedestal 101 through left side board, rear side board 105, right side board interval, make between protecting cover 102, left side board, rear side board 105, right side board and the pedestal 101 enclose to close and be formed with three sides and surround, the open installation space in front side. The mounting space is divided into two parts, a left space for mounting the zero row 2 and a right space for mounting the ground row, by a partition 103 formed integrally with the cover 102.

In this embodiment, the protecting cover 102 is parallel to the base 101 to improve the regularity of the mounting bracket and facilitate the use. In other embodiments, the cover 102 may be disposed slightly inclined with respect to the housing 101.

As mentioned above, the gap between the cover 102 and the housing 101 is required to be equal to the distance between the bottom surface of the cover 102 and the upper surface of the zero row 2 or the ground row during use, and is required to be smaller than the size of the screw after the screw is screwed out from the zero row 2 or the ground row. Just opposite to the left space and the right space, the protecting cover 102 is respectively provided with two strip-shaped through holes, as shown in fig. 2, the two strip-shaped through holes are respectively a first strip-shaped through hole 11, a second strip-shaped through hole 12, a third strip-shaped through hole 13 and a fourth strip-shaped through hole 14, the first strip-shaped through hole 11, the second strip-shaped through hole 12, the third strip-shaped through hole 13 and the fourth strip-shaped through hole 14 are arranged on the same straight line, and the opening widths of the first strip-shaped through hole 11, the second strip-shaped through hole 12, the third strip-shaped through hole 13 and the fourth strip-shaped through hole 14 are smaller than the diameter size of the screw head used in zero row 2 or ground row. When the wire harness connector is used, the screws can be limited to be screwed out of the zero row 2 or the ground row through the limited distance between the protecting cover 102 and the base body 101, and the screws can be screwed through the first strip-shaped through hole 11, the second strip-shaped through hole 12, the third strip-shaped through hole 13 and the fourth strip-shaped through hole 14 and directly penetrate through the protecting cover 102, so that the actual wiring requirement is met.

For convenience of processing, the lengths of the first strip-shaped through hole 11, the second strip-shaped through hole 12, the third strip-shaped through hole 13 and the fourth strip-shaped through hole 14 preferably correspond to at least 3 wire distributing holes 21 arranged in zero row 2 or ground row, and of course, since the mounting bracket 1 is usually made of insulating plastic, the opening lengths of the first strip-shaped through hole 11, the second strip-shaped through hole 12, the third strip-shaped through hole 13 and the fourth strip-shaped through hole 14 are too long, which may reduce the structural strength of the protective cover 102, in the embodiment, the first strip-shaped through hole 11 and the third strip-shaped through hole 13 are respectively corresponding to 4 wire distributing holes 21 of zero row 2 or ground row, wherein, the strip through hole two 12 and the strip through hole four 14 are respectively corresponding to 5 wire distributing holes 21 of zero row 2 or ground row, in the hole sites of the 5 wire distributing holes 21 in the zero row 2 or the ground row, 4 wire distributing holes 21 are used for accessing wires, and the remaining 1 wire distributing hole 21 is provided with a fixing inner hole 31. The portion of the strip-shaped hole corresponding to the fixing inner hole 31 is provided with a circular through hole 14a having the same axis as the fixing inner hole, and the diameter of the circular through hole 14a is not smaller than the diameter of the head of the screw for fixing. When the product of this embodiment is installed, the round through hole 14a can facilitate the screw for fixing to pass through the cover 102, and then the zero row 2, the ground row and the base 101 are fixedly connected with the distribution box.

As shown in fig. 3, the upper, left and right spaces of the seat body 101 are respectively provided with a first connecting hole 17, a first connecting groove 15, a second connecting hole 18 and a second connecting groove 16, the first connecting hole 17 and the second connecting hole 18 are circular through holes penetrating through the seat body 101, and the first connecting groove 15 and the second connecting groove 16 are both rectangular slotted structures having openings at the inner side edges of the seat body 101. Referring to fig. 4, 6 and 7, it can be seen that the first connecting hole 17 and the second connecting hole 18 correspond to the first connecting hole 211 and the second connecting hole 212 formed in the wire distributing hole 21 in the middle of the zero row 2 and the ground row, respectively, and can be used for fixedly connecting the zero row 2 and the ground row with the seat body 101. The position of the fixed hole 31 near the right side tip that connecting groove 15, connecting groove two 16 and zero row 2, ground row respectively suits, combines the upper segment in, insert connecting groove 15, connecting groove two 16 of mounting bracket 1 respectively with a pair of back link 3 on the block terminal, pass downwards in proper order from the round through-hole 14a of protecting cover 102 the screw that will be used for fixing again and pass behind the connecting hole on zero row 2, ground row and back link 3 to fixed connection between this embodiment mounting bracket 1 and the block terminal can be accomplished to the nut is fixed.

Example 2 this example differs from example 1 in that: in this embodiment, the bar through-holes correspond to 3 bar through-holes of zero row 2 or ground row, and the left space and the right space are respectively and correspondingly provided with 3 bar through-holes. All the strip-shaped through holes on the protective cover 102 are located on a straight line.

In a more specific structure, the first connection hole 17 and the second connection hole 18 described in embodiment 1 correspond to the bar-shaped through holes on the protective cover 102 corresponding to the left space and the right space, and the first connection groove 15 and the second connection groove 16 correspond to the bar-shaped through holes on the protective cover 102 corresponding to the left space and the right space, and are located on the right side. Other structural arrangements may remain the same as in embodiment 1.

Example 3 this example differs from example 1 in that: in this embodiment, the length of the protective cover 102 is 1/4-1/3 of embodiment 1, and the partition plate 103 is not disposed between the middle of the protective cover 102 and the middle of the base 101, when the length of the protective cover 102 is one-fourth of the length of the protective cover 102 in embodiment 1, the space enclosed by the protective cover 102, the base 101, the rear plate 105, the left side plate, and the right side plate can be used for installing zero row 2 or ground row having four wire dividing holes 21, and only one strip through hole on the protective cover 102 can be disposed. When the length of the protecting cover 102 is one half of the length of the protecting cover 102 in embodiment 1, the space surrounded by the protecting cover 102, the base 101, the rear plate 105, the left side plate, and the right side plate can be used for installing zero row 2 or ground row with nine branch holes 21, and the strip through holes on the protecting cover 102 can be only 2 (the strip through holes correspond to 4 branch holes 21) or 3 (the strip through holes correspond to 3 branch holes 21). When the length of the protective cover 102 is one third of the length of the protective cover 102 in embodiment 1, the space surrounded by the protective cover 102, the base 101, the rear plate 105, the left side plate, and the right side plate can be used for installing zero row 2 or ground row with 12 wire dividing holes 21, and the strip through holes on the protective cover 102 can be only 3 (the strip through holes correspond to 4 wire dividing holes 21) or 4 (the strip through holes correspond to 3 wire dividing holes 21).

Example 4 this example differs from the above example in that: in this embodiment, the space that the enclosing of protecting cover 102, pedestal 101 and posterior lateral plate 105, left side board, right side board formed can be used to install zero row 2 or ground row that has 10 wire dividing holes 21, is equipped with baffle 103 between the middle part of protecting cover 102 and the middle part of pedestal 101 and separates it into two spaces on the left and right sides, and the bar through-hole on the partial protecting cover 102 that every space corresponds can only set up 2, and every bar through-hole corresponds to 5 wire dividing holes 21.

Example 5 this example differs from the above example in that: as shown in fig. 5, in this embodiment, the right side plate is provided with the side inserting piece 104, the side inserting piece 104 is a sheet-shaped protrusion protruding from the right outer side, the distribution box is provided with the side connecting frame 4, the side connecting frame 4 is provided with the insertion slot, when the mounting frame 1 is installed, the sheet-shaped protrusion and the side connecting frame 4 can be matched in an insertion manner, the mounting frame 1 can be fixed by the structure, the mounting frame 1 can be prevented from being displaced in the front and back direction and the up and down direction relative to the distribution box, and the stability of the structure of the mounting frame 1 in the distribution box is ensured.

Embodiment 6 this embodiment provides a block terminal, it includes block terminal casing 100 and as any kind of mounting bracket 1 of above embodiment, on the inside rear side wall of block terminal casing 100, welded fastening has two parallel interval settings's back link 3, is equipped with the slot on the side link 4, and the pedestal 101 bottom of mounting bracket 1 is through connecting groove 15 and connecting groove two 16 and two back link 3 embedding cooperations back, with a long screw and nut fixed connection.

In this embodiment, a side connecting frame 4 can be disposed on the distribution box housing 100, and is installed in cooperation with the mounting frame 1 provided in embodiment 5.

To sum up, the utility model provides a simple structure, be convenient for production, equipment and actual wiring operation's mounting bracket 1, its bad situation that can effectively solve among the prior art mounting bracket 1 and exist has improved mounting bracket 1's practicality and reliability.

Claims (10)

1. A mounting bracket, its characterized in that: the protective cover is arranged above the seat body through the side plates, a space for installing a zero row and/or a ground row is formed by the protective cover, the side plates and the seat body in a surrounding mode, and the zero row and/or the ground row are fixed on the mounting frame through screws;

the protecting cover is provided with a through hole, the through hole corresponds to the screw used by the zero row and/or the ground row and the screw used for installing the zero row and/or the ground row, the size of the through hole is smaller than the size of a nut of the screw used by the zero row and/or the ground row, and the distance between the protecting cover and the zero row and/or the ground row is smaller than the length of the screw.

2. The mount of claim 1, wherein: the through holes are strip-shaped through holes; or the through hole is a strip-shaped through hole, and the length of the strip-shaped through hole corresponds to at least 3 zero-row or ground-row wiring holes;

and/or a partition board is arranged between the middle part of the protecting cover and the middle part of the seat body below the protecting cover, and the protecting cover, the side plates and the seat body are enclosed by the partition board to form space partitions which are respectively used for installing zero rows and ground rows;

and/or the protective cover is parallel to the base body.

3. The mount of claim 2, wherein: at least two strip-shaped through holes corresponding to the zero row and/or the ground row are respectively arranged on the protecting covers on the two sides of the partition plate.

4. The mount of claim 2, wherein: the length of the strip-shaped through holes corresponds to 4-5 screws used in zero rows or ground rows.

5. The mount of claim 1 or 2, wherein: the pedestal, the protecting cover and the side plates are cuboids, and the side plates comprise the protecting cover and left and right side plates in the length direction of the pedestal and rear side plates in the width direction of the pedestal.

6. The mount of any of claims 2-4, wherein: round through holes with the aperture not smaller than the nut diameter of the screw for fixing are formed in part of the strip-shaped through holes corresponding to the wire distributing holes of any two spaced zero rows and/or ground rows;

the base body is provided with connecting grooves or connecting holes corresponding to the through holes for connecting and fixing on the zero row or the ground row and/or corresponding to the round through holes.

7. The mount of claim 6, wherein: the seat body is provided with a connecting groove with an opening at the side edge corresponding to the round through hole; and/or the connecting groove is rectangular.

8. The mount of claim 5, wherein: the protecting cover and the side plate are integrally formed; and/or the protecting cover and/or the side plate are/is provided with outward bulges.

9. The mount of claim 8, wherein: the bulges are plate-shaped;

and/or the bulge protrudes outwards from any side plate along the length direction of the protective cover.

10. A distribution box, its characterized in that: comprising a mounting frame having an electric distribution box according to any of claims 1-9.

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