CN111009863A

CN111009863A - Novel junction box

Info

Publication number: CN111009863A
Application number: CN201911329076.8A
Authority: CN
Inventors: 吴晓洋
Original assignee: Zhejiang Spower Electric Co Ltd
Current assignee: Zhejiang Spower Electric Co Ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-04-14
Anticipated expiration: 2039-12-20
Also published as: CN111009863B

Abstract

The invention discloses a novel junction box, which comprises an upper cover and a base, wherein the upper cover and the base form an accommodating cavity, the junction box further comprises a fastener, a first fixing hole is formed in the upper cover, a first internal threaded hole is formed in the base, the fastener comprises a spherical part, a connecting part and a fixing part, the spherical part is connected with the fixing part through the connecting part, a first external thread is formed in the fixing part, and the spherical part is positioned in the first fixing hole; the invention is convenient for installation and fixation, the upper cover can rotate, the integral height can be increased, the front, the back, the left and the right sides are spliced, and the fixation is convenient.

Description

Novel junction box

Technical Field

The invention relates to a novel junction box.

Background

In home decoration, the junction box is one of electrical accessories, because the electric wire for decoration passes through the electric wire tube, the junction box is adopted for transition at the joint part of the electric wire (such as longer line or corner of the electric wire tube), the electric wire tube is connected with the junction box, and the electric wire in the wire tube is connected in the junction box to play the roles of protecting the electric wire and connecting the electric wire. Or the electric elements are placed in the junction box and communicated through the conducting wires, so that the function of placing the electric elements is achieved.

The existing junction box generally comprises an upper cover and a base, wherein the upper cover and the base are locked and fixed through bolts, but after the upper cover and the base are fixed through the bolts, when the internal wiring or maintenance of the junction box needs to be carried out by opening, all the bolts need to be completely disassembled to realize the separation of the upper cover and the base. Moreover, after the upper cover is disassembled, the bolt and the upper cover are easy to miss and lose, so that the bolt cannot be fixed again.

The existing hinge is connected in a rotating mode, but the structure is inconvenient to fix, and in addition, no matter the hinge is fixed on the outer side or the inner side, the hinge is exposed, so that the overall appearance is extremely unattractive.

Disclosure of Invention

The invention mainly solves the technical problem of providing a novel junction box.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a novel junction box, includes upper cover and base, and the upper cover forms with the base and holds the cavity, wherein, still includes the fastener, covers on and is equipped with first fixed orifices, is equipped with first internal thread hole on the base, and the fastener includes spherical portion, connecting portion and fixed part, and spherical portion passes through connecting portion and is connected with the fixed part, is equipped with first external screw thread on the fixed part, and spherical portion is located first fixed orifices.

By adopting the structure, when the upper cover and the base are required to be fixed under the normal state of the fastener, the fixing part is fixedly connected with the first internal thread hole by rotating the fastener, so that the upper cover is fixed. When needing the maintenance, can use as the upset pivot through spherical portion, the upper cover can take place to rotate relative to the base, and this kind of upper cover still is connected the state with the base, can overturn, has realized the double-purpose effect, and it is very convenient to use.

The first fixing hole comprises a first channel, a connecting channel and a second channel, the first channel is connected with the second channel through the connecting channel, the first channel is close to the top end of the upper cover, and the spherical part is fixed on the connecting channel.

Through the setting of two passageways and linking channel for it is more convenient that the whole fixed rotation, and the size of the first passageway of this department is greater than the size of second passageway, forms cascaded structure.

Wherein, be equipped with the lead sealing hole on the spherical portion, be equipped with first through-hole on the upper cover side, first through-hole and lead sealing hole intercommunication.

The setting of lead sealing hole for fastener and terminal box are whole to have increased the theftproof effect, can be directly be in the same place fastener and the whole locking of terminal box through the lead sealing.

The connecting bolt comprises an upper part, a middle part and a lower part, the upper part is connected with the lower part through the middle part, the upper part is positioned in the connecting piece, the lower part penetrates out of the connecting piece, the fastening piece penetrates through the upper cover or the adjacent connecting piece to be connected and fixed with the upper part, and the lower part extends into the base or the adjacent connecting piece to be connected and fixed.

By adopting the arrangement, the overall height of the junction box can be superposed through the connecting pieces, the heightening effect is realized, and meanwhile, the connecting bolt adopts the structure arrangement, so that the connecting strength is enhanced, the connecting pieces can be firmly fixed on the base, and the upper cover is fixedly connected with the upper part of the connecting bolt through the fastening piece. Here, two adjacent connecting pieces may be fixed by one connecting bolt.

Wherein, the upper part is provided with a second internal thread hole matched with the first external thread, and the lower part is provided with a second external thread matched with the first internal thread hole.

The threaded connection is adopted, so that the integral connection and fixation are more convenient.

The double-plate type solar cell module comprises a containing cavity, a first fixing part, a second fixing part and a clamping part, wherein the containing cavity is provided with a first through hole, the front side of the double-plate is a smooth surface, the back side of the double-plate is provided with a plurality of inserting slots distributed in an array mode, the first fixing part is provided with the clamping part and a plugging part, the clamping part is vertically connected with the plugging part, the containing cavity is provided with a fixing groove matched with the plugging part, and the double-plate is fixed with the containing cavity through the clamping; and a second fixing hole is formed in the bottom surface of the base, and the bolt penetrates through the third through hole to be fixed with the second fixing hole.

By adopting the structure, when the smooth surface faces upwards, a middle door structure can be formed, and an isolation effect is achieved; when inserting groove orientation top, can fix on the base through the third through-hole, can be used for fixed electric elements, realized the double-purpose effect, reduced manufacturing cost, the user only needs the change direction can realize fixing or keep apart the effect.

Wherein, the fixed slot is located the connecting piece.

The fixed slot adopts the setting on the connecting piece, can be through according to holistic height, the height that the door formed in the adjustment promptly can be adjusted to the double-duty board position of co-altitude not, and it is more convenient to operate.

The double-plate rotating device comprises a rotating cavity, a first fixing piece and a second fixing piece, wherein the first fixing piece comprises an inserting portion and a rotating shaft portion, the inserting portion is vertically connected with the rotating shaft portion, a rotating shaft hole is formed in the double-plate, the inserting portion is fixed with a fixing groove, and the rotating shaft portion is fixed with the rotating shaft hole to enable the double-plate to be rotatably arranged with the accommodating cavity.

The double-plate turnover device has the advantages that the second fixing piece is adopted, the double-plate turnover device is rotatably arranged with the connecting piece, when the double-plate turnover device needs to be opened, the second fixing piece can achieve the turnover effect, when the double-plate turnover device needs to be fixed, the other side of the double-plate turnover device is fixed with the connecting piece through the first fixing piece, and the integral fixable and rotatable effect is achieved.

Wherein, all be equipped with through wires hole and third fixed orifices on the base side, the third fixed orifices is located the both sides of third fixed orifices.

By adopting the structure, the junction box can be spliced in four directions, namely front, back, left and right, so that the junction box is suitable for splicing in different directions, and the use requirements in different spaces are met.

The base is characterized by further comprising a third fixing piece, wherein the third fixing piece is provided with a second through hole and a first waist-shaped hole, and the bottom surface of the base is provided with a fourth fixing hole matched with the second through hole.

The third fixing piece is fixedly connected with the base through the second through hole, the first waist-shaped hole can be fixedly connected with a fixture, the junction box can be fixed on the telegraph pole through the hoop to be fixed, and the adjacent junction boxes can be doubly fixed through the first waist-shaped hole, so that the fixing strength is improved.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a sectional view of embodiment 1 of the present invention;

FIG. 3 is a cross-sectional view of the upper cover and the base in embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of embodiment 1 of the present invention with the upper cover removed;

FIG. 5 is a cross-sectional view of FIG. 4;

FIG. 6 is a partial enlarged view of portion A of FIG. 5;

FIG. 7 is a partial enlarged view of portion B of FIG. 5;

fig. 8 is a schematic structural view of a second fixing member in embodiment 1 of the present invention;

fig. 9 is a schematic structural view of a first fixing member in embodiment 1 of the present invention;

FIG. 10 is a schematic view showing the structure of a double plate in example 1 of the present invention;

FIG. 11 is a schematic view showing the structure of the back surface of a double plate in example 1 of the present invention;

FIG. 12 is a schematic structural view of a base in embodiment 1 of the present invention;

fig. 13 is a bottom view of the base in embodiment 1 of the invention;

FIG. 14 is a schematic structural view of a fastener in embodiment 1 of the invention;

FIG. 15 is a front view of a fastener in embodiment 1 of the invention;

FIG. 16 is a schematic structural view of embodiment 2 of the present invention;

FIG. 17 is a sectional view of embodiment 2 of the present invention;

FIG. 18 is a schematic structural view of a connecting member in embodiment 2 of the invention;

FIG. 19 is a sectional view of embodiment 3 of the present invention;

FIG. 20 is a schematic structural view of a base in embodiment 4 of the present invention;

FIG. 21 is a bottom view of four junction boxes assembled according to embodiment 4 of the present invention;

FIG. 22 is a schematic structural view of a fourth fixing member in embodiment 4 of the invention;

fig. 23 is a schematic structural view of a fifth fixing member in embodiment 4 of the present invention.

Detailed Description

Example 1:

referring to fig. 1-15, a junction box comprises an upper cover 1, a base 2, a dual plate 4 and a fastener 3, wherein the upper cover 1 and the base 2 form a containing cavity 11, the fastener is used for connecting and fixing the upper cover 1 and the base 2, and the dual plate 4 is positioned in the containing cavity 11 and fixed, so that the inner part forms an isolation effect. The specific structure is as follows.

Be equipped with first fixed orifices 12 on the upper cover 1, first fixed orifices 12 include first passageway 121, connecting channel 122 and second passageway 123, first passageway 121 passes through connecting channel 122 and is connected with second passageway 123, first passageway 121 is close to upper cover 1 top, second passageway 123 is close to base 2 and serves, and the size of first passageway 121 is greater than the size of second passageway 123, make whole cascaded first fixed orifices 12 that forms, the side of connecting channel 122 is the cambered surface setting, carry out the connection effect between two passageways. It should be noted here that the number of the first fixing holes 12 is four, and the first fixing holes are respectively located at four corners of the upper cover 1, and further, a first guiding surface 124 is provided at the top end of the first channel 121, so as to facilitate the insertion of the fastening member 3.

Be equipped with first through-hole 13 on the side of upper cover 1, first through-hole 13 and first fixed orifices 12 intercommunication, the quantity of first through-hole 13 here is two, and first through-hole 13 is located the long side of upper cover 1, forms the relative rotation setting with base 2 of upper cover 1 through the unilateral. The first through-hole 13 is here embodied as an arch. The bottom surface of the upper cover 1 is provided with a second annular groove 14.

Be equipped with second annular protruding muscle 21 and four first internal thread holes 22 on the top on the base 2, after upper cover 1 and base 2 cooperation promptly, second annular protruding muscle 21 imbeds to second annular groove 14 in, forms location fixed knot and constructs. Further, a second seal 76 is secured to the second annular groove 14. Here, the second gasket 76 is provided in a stepped arrangement so that the overall waterproof effect is improved. The first internally threaded hole 22 communicates with the first fixing hole 12, and is fixed by a fastener, resulting in a fixing effect.

The inner wall of the base 2 is provided with a first fixing groove 7, wherein the first fixing groove 7 is a trapezoidal groove. The first fixing groove 7 includes a first inclined surface 741 and a second inclined surface 742, the first inclined surface 741, the second inclined surface 742 and an inner wall of the accommodating cavity 11 form a trapezoidal groove, and both the first inclined surface 741 and the second inclined surface 742 incline toward an inner side of the trapezoidal groove. Here, the first slope 741 and the second slope 742 are inclined at an angle of 45 °. The first fixing groove 7 is hollowed out toward the inside of the accommodating cavity 11. The number of the first fixing grooves 7 is four, and every two fixing grooves are respectively arranged on two longer side walls of the base 2.

Be equipped with installation muscle 25 on base 2, and installation muscle 25 is vertically and horizontally staggered formula, and installation muscle 25 forms mounting groove 26, and the setting of installation muscle 25, the electronic components's of being convenient for installation also improves the holistic intensity of base 2 simultaneously. The fixing posts 24 and the second fixing holes 23 are formed at the joints of the mounting ribs 25, and further, the base 2 is provided with the second fixing holes 23, where the number of the second fixing holes 23 is two and corresponds to the third through holes 43 of the dual plate 4, and the dual plate 4 can be fixed on the base 2 by bolts passing through the third through holes 43 and being fixed to the second fixing holes 23, where the second fixing holes 23 face the direction of the upper cover 1. The fixing post 24 is provided with a fourth fixing hole 251, the fourth fixing hole 251 is disposed toward the bottom surface of the base 2, and the fourth fixing hole 251 is used for being connected with a third fixing member. The bottom surface of the base 2 is provided with a third groove 27, the third groove 27 extends to the edge of the base 2, the third groove 27 is mainly used for fixing a third fixing member, and the fourth fixing hole 251 penetrates through the third groove 27. The third recess 27 is here located centrally on the edge of the bottom surface.

The double plate 4 comprises a front surface 41 and a back surface 42, wherein the front surface 41 is a smooth surface, and the front surface 41 is provided with two first grooves 411, wherein the number of the first grooves 411 is two. The back surface 42 is provided with a plurality of inserting slots 421 distributed in an array and a second groove 422, the top end of the inserting slot 421 is provided with a fourth guiding surface 423, and the inserting slot 421 is specifically used for fixing an electrical element. The first recess 411 and the second recess 422 are disposed up and down symmetrically, but they are not connected. The first recess 411 and the second recess 422 are here located on the longer side of the double plate 4.

The other side of the double plate 4 is provided with two rotating shaft holes 44, and the number of the rotating shaft holes 44 is two. The side of the rotating shaft hole 44 close to the edge is a cambered surface. The side walls of the double plates 4 are all arranged in a cambered surface, so that the whole body is smoother. The dual-plate 4 is further provided with a third through hole 43, and the third through hole 43 is used for fixing the dual-plate 4 and the base 2. Further, the dual-plate 4 is integrally formed, and is made of an insulating material, such as plastic or other materials.

By adopting the structure, when the smooth surface faces upwards, a middle door structure can be formed, and an isolation effect is achieved; when the inserting slot 421 faces upward, it can be fixed on the base 2, and can be used to fix electrical components, so as to achieve dual-purpose effect, reduce production cost, and the user can achieve fixing or isolating effect only by changing the direction. The dual-purpose plate 4 realizes dual-purpose effect and reduces production cost.

The first fixing member 5 is provided with a clamping portion 51 and a plugging portion 52, the clamping portion 51 is vertically connected with the plugging portion 52, and the plugging portion 52 is matched with the first fixing groove 74 in shape and is also in a trapezoidal structure, so that the plugging portion 52 is firmly matched with the first fixing groove 74 to form a plugging and fixing structure. The top end of the clamping part 51 is provided with a first protrusion 511 and a second protrusion 512, which are correspondingly arranged and respectively fixedly matched with the first groove 411 and the second groove 422, so as to realize the fixing effect of the dual-plate 4. The number of the first fixing members 5 is two here, and the corresponding double plate 4 is fixedly coupled on the longer side thereof.

The second fixing member 6 includes an insertion portion 61 and a rotation shaft portion 62, the insertion portion 61 is vertically connected to the rotation shaft portion 62, the insertion portion 61 is fixed to the first fixing groove 74, and the insertion portion 61 is also in a trapezoidal structure, so that the insertion portion 61 and the first fixing groove 74 form a plug-in fixing structure. Be equipped with centre gripping mouth 621 on the pivot portion 62, centre gripping mouth 621 stretches into to in the pivot hole 44, and centre gripping mouth 621 forms circular clamp mouth, and centre gripping mouth 621 cooperates with pivot hole 44 for double-plate 4 forms to rotate with base 2 and is connected, and here pivot hole 44 forms the part with centre gripping mouth 621 complex with double-plate 4 limit wall. Here, the number of the second fixing members 6 is also two, and the two corresponding rotating shaft holes 44 are fixedly connected.

By adopting the structure, the first fixing part 5 and the second fixing part 6 are respectively fixed through the first fixing groove 74, after the fixing, one side of the double-plate 4 is clamped through the clamping hole 621 of the second fixing part 6, and meanwhile, the overturning effect can be realized, so that the double-plate 4 can be overturned, and can be detached as required or directly separated from the second fixing part 6. The other side of the double plate 4 is fixed by the clamping part 51 of the first fixing part 5, so that the double plate 4 is integrally fixed on the base. The fixing mode can realize installation and fixation without any tool, and is simple to operate and convenient to fix.

The fastener 3 comprises a spherical portion 31, a connecting portion 32 and a fixing portion 33, the spherical portion 31 is connected with the fixing portion 33 through the connecting portion 32, the spherical portion 31 is spherical, a driving groove 311 is formed in the top end of the spherical portion 31, the driving groove 311 is a cross groove or a straight groove or a cross groove or a hexagon groove, and a user can stretch. The drive recess 311 is preferably a cross recess. Further, the ball portion 31 is provided with a lead sealing hole 312, the lead sealing hole 312 is vertically connected to the driving groove 311 in a space, further, the lead sealing hole 312 is communicated with the driving groove 311, and meanwhile, the lead sealing hole 312 is communicated with the first through hole 13. Through the setting of lead sealing hole 312 for fastener 3 has increased the theftproof effect with the terminal box is whole, can be directly be in the same place fastener 3 and the whole locking of terminal box through the lead sealing. Here the spherical portion 31 fits into the first channel 121, ensuring a fixing effect of the spherical portion 31.

The connecting portion 32 is a smooth rod, i.e. cylindrical, and the length of the connecting portion 32 is one third to three quarters of the length of the fixing portion 33, preferably the length of the connecting portion 32 is one half of the length of the fixing portion 33.

The fixing portion 33 is provided with a first external thread 331, where the first external thread 331 is specifically matched with an internal thread on the base 2 for use, so that the upper cover 1 is connected and fixed with the base 2. Further, the fixing portion 33 is provided with a vertical plane 332. The provision of the vertical plane 332 reduces the contact area of the fixing portion 33 with the first internally threaded hole 21, so that the rotation is more convenient. Here, the number of the vertical planes 332 is two, and the two vertical planes 332 are correspondingly arranged. The bottom end of the fixing portion 33 is provided with a second guide surface 333, the second guide surface 333 is provided with an arc surface, so that the fastener 3 extends into the first fixing hole 12, and the second guide surface 333 is matched with the first guide surface 124, so that the fastener 3 rapidly extends into the first fixing hole 12.

When the base 2 is engaged with the cover 1 by the fastening member 3, the spherical portion 31 is located on the connecting channel 122, and the spherical portion 31 is tangent to the connecting channel 122, so as to form a rotating effect. Further, the fastening member 3 is integrally formed.

By adopting the structure, when the upper cover 1 and the base 2 need to be fixed under the normal state of the fastener 3, the fastener 3 is driven to be integrated to enable the fixing part 33 to be fixedly connected with the first internal threaded hole 21 through the rotary driving groove 311, so that the upper cover 1 is fixed. Need maintain or carry out base 2 internal wiring when, can use as the upset pivot through spherical portion 31, upper cover 1 can take place to rotate base 2 relatively, and this kind of upper cover 1 still is connected the state with base 2, can overturn, has realized the double-purpose effect, and it is very convenient to use, and upper cover 1 is difficult for taking place to lose in addition too.

Example 2:

referring to fig. 16 to 18, embodiment 2 is different from embodiment 1 in that it further includes at least one connecting member 9 and a connecting bolt 8, and the number of the connecting members 9 is one in this embodiment.

A first annular rib 91 is arranged at the top end of the connecting piece 9, and a first annular groove 92 is arranged at the bottom end of the connecting piece 9. The connecting member 9 is provided with four fifth fixing holes 93, and a boss 931 is disposed in the fifth fixing holes 93.

Here, when the base 2 is engaged with the upper cover 1 through the connecting member 9, the first annular rib 91 is inserted into the second annular groove 14, and the second annular rib 21 is inserted into the first annular groove 92. Further, the first seal 75 is fixed to the first annular groove 92, and the second seal 76 is fixed to the second annular groove 14. The second sealing gasket 76 is arranged in a stepped manner, and two sealing gaskets are arranged, so that the overall waterproof effect is further improved, and the overall waterproof grade is ensured.

The connecting member 9 is also provided with a second fixing groove 94 facing the inner side, and the structure of the second fixing groove 94 is the same as that of the first fixing groove on the base 2, so that the detailed description is omitted. The second fixing groove functions to fix the double plate 4. The user can adjust the overall isolation effect by adjusting the height of the double plate 4.

The coupling bolt 8 includes an upper portion 81, a middle portion 82, and a lower portion 83, the upper portion 81 is connected to the lower portion 83 through the middle portion 82, the upper portion 81 is located in the coupling member 9, and is restricted by a boss 931 where the top end of the upper portion 81 is flush with the top end of the fifth fixing hole 93. The upper portion 81 is provided with a second internally threaded bore 811, and the second internally threaded bore 811 is engaged with a first external thread 931 provided on the fastener 3. The lower part 83 penetrates out of the connecting piece 9, a second external thread 831 is arranged on the lower part 83, and the lower part 83 extends into the first internal thread hole 22 to be connected and fixed with the base 2.

Adopt this kind of setting, the holistic height of terminal box can superpose through a plurality of connecting piece 9, realizes increasing the effect, and simultaneously, connecting bolt 8 adopts this kind of structure setting, has strengthened joint strength for connecting piece 9 can firmly be fixed on base 2, and upper cover 1 is connected fixedly through fastener 3 and connecting bolt 8's upper portion 81.

Example 3:

referring to fig. 19, the difference between embodiment 3 and embodiment 2 is that the number of the connecting members 9 is three. The connecting piece 9 and the connecting piece 9 are fixed through the connecting bolt 8, and the height adjustment of the base 2 and the upper cover 1 is realized. Since the structure of the connecting member 9 and the connecting bolt 8 is described in detail herein, it is not described in detail herein.

Example 4:

referring to fig. 20-23, the difference between the embodiment 4 and the embodiment 1 is that the base 2 is provided with four side surfaces 29, each side surface 29 is provided with a threading hole 20 and a third fixing hole 28, the threading hole 20 is rectangular, and the size of the threading hole 20 is one fourth to one half of the size of the side surface 29 of the base 2, wherein the size of the threading hole 20 is preferably one half. Further, four corners of the threading hole 20 are rounded. The number of the third fixing holes 28 is four, and the four third fixing holes 28 are respectively located on the sides of the four corners of the threading hole 20 far away from the threading hole 20. The threading hole 20 may be formed when the base 2 is integrally formed, or may be formed by cutting.

Two second through holes 101 are formed in the third fixing member 10, and the second through holes 101 are fixedly connected to the fourth fixing hole 251. Here, the second through hole 101 may also be a kidney-shaped hole to facilitate the adjustment of the position of the third fixing member 10. Further, here, the second through hole 101 may also be provided with a third guide surface 1011. The third fixing member 10 is embedded into the third groove, and the area of the third fixing member 10 embedded into the third groove is at least half of the whole area, so that the whole fixing strength is ensured. The part of the third fixing member 10 beyond the chassis 2 is provided with a first waist-shaped hole 102, wherein the first waist-shaped hole 102 is preferably a longitudinal waist-shaped hole. Further, a transverse kidney-shaped hole 103 is formed on the part of the third fixing member 10 beyond the base 2. Through the transverse waist-shaped hole 103, the junction box can be fixed on the telegraph pole through an anchor ear, and can also be fixed with a fixture through the transverse waist-shaped hole 103. The fixing can be formed by the longitudinal waist-shaped hole and the fixture, and the double fixing effect can also be formed by the first waist-shaped hole 102 and the adjacent junction box. It should be noted here that, because the length and width of the bottom surface of the junction box are different, the third fixing member 10 in the present embodiment is divided into two types, including the fourth fixing member 104 and the fifth fixing member 105, but the two types are similar in structure, except that the fourth fixing member 104 is used for external connection and can be fixed to a fixture, and the fourth fixing member 104 is provided with the second through hole 101, the transverse waist-shaped hole 103, and the first waist-shaped hole 102. The fifth fixing member 105 is provided with a second through hole 101 and a first kidney-shaped hole 102, which are kidney-shaped holes, and the second through hole 101 in the fifth fixing member 105 is also longitudinally arranged. The fifth fixing piece 105 is used for connection between the internal junction box and the junction box. As shown in fig. 21, which is a bottom view of four junction boxes.

Adopt this kind of structure setting, the terminal box can splice through four directions all around for four directions of terminal box adaptation are spliced all around, specifically can connect fixedly through third fixed orifices 28 on two adjacent terminal boxes, because the setting of through wires hole 20, still is equipped with the fixed of the third fixed orifices 28 of being convenient for. The wires may be connected through the threading holes 20. Secondly, the third fixing piece 10 is arranged to fix the junction box on the telegraph pole through the cooperation of the hoop and the junction box, and two adjacent junction boxes can also be connected and fixed through the third fixing piece 10, so that the double-fastening effect is formed, the integral fixing effect is achieved, and one junction box is prevented from falling off in the using process.

Claims

1. The utility model provides a novel junction box, includes upper cover and base, and the upper cover forms with the base and holds cavity, its characterized in that: still include the fastener, cover on and be equipped with first fixed orifices, be equipped with first internal thread hole on the base, the fastener includes spherical portion, connecting portion and fixed part, and spherical portion passes through connecting portion and is connected with the fixed part, is equipped with first external screw thread on the fixed part, and spherical portion is located first fixed orifices.

2. The novel junction box of claim 1, wherein: the first fixing hole comprises a first channel, a connecting channel and a second channel, the first channel is connected with the second channel through the connecting channel, the first channel is close to the top end of the upper cover, and the spherical part is fixed on the connecting channel.

3. The novel junction box of claim 1, wherein: the spherical part is provided with a lead sealing hole, the side surface of the upper cover is provided with a first through hole, and the first through hole is communicated with the lead sealing hole.

4. The novel junction box of claim 1, wherein: the connecting bolt comprises an upper portion, a middle portion and a lower portion, the upper portion is connected with the lower portion through the middle portion, the upper portion is located in the connecting piece, the lower portion penetrates out of the connecting piece, the fastening piece penetrates through the upper cover or an adjacent connecting piece to be connected and fixed with the upper portion, and the lower portion extends into the base or the adjacent connecting piece is connected and fixed.

5. The novel junction box of claim 4, wherein: the upper part is provided with a second internal thread hole matched with the first external thread, and the lower part is provided with a second external thread matched with the first internal thread hole.

6. The novel junction box of claim 4, wherein: the double-plate type solar cell module comprises a double-plate body and a first fixing part, wherein a third through hole is formed in the double-plate body, the front surface of the double-plate body is a smooth surface, a plurality of inserting slots distributed in an array mode are formed in the back surface of the double-plate body, a clamping part and a plugging part are arranged on the first fixing part, the clamping part is vertically connected with the plugging part, a fixing groove matched with the plugging part is formed in an accommodating cavity, and the double-plate body is fixed with the accommodating cavity through the clamping; and a second fixing hole is formed in the bottom surface of the base, and the bolt penetrates through the third through hole to be fixed with the second fixing hole.

7. The novel junction box of claim 6, wherein: the fixing groove is positioned on the connecting piece.

8. The novel junction box of claim 6, wherein: still include the second mounting, the second mounting includes grafting portion and pivot portion, and grafting portion is perpendicular with pivot portion and is connected, and double-plate is equipped with the pivot hole, and grafting portion is fixed with the fixed slot, and pivot portion and pivot hole are fixed to make double-plate be the rotation setting with holding the cavity.

9. The novel junction box of claim 1, wherein: all be equipped with through wires hole and third fixed orifices on the base side, the third fixed orifices is located the both sides of third fixed orifices.

10. The novel junction box of claim 9, wherein: the base is characterized by further comprising a third fixing piece, wherein a second through hole and a first waist-shaped hole are formed in the third fixing piece, and a fourth fixing hole matched with the second through hole is formed in the bottom surface of the base.