CN201435512Y - Coaxial cable connection device for solar junction box - Google Patents

Abstract

The utility model provides a coaxial cable connecting device of solar junction box contains a connector and a butt joint connector that docks mutually. The connector comprises a first shell and a connecting terminal, wherein the first shell is provided with a first accommodating cavity for accommodating the connecting terminal. A mating arm of the connection terminal is provided with an insertion hole, and a tapered portion is formed at a distal end portion thereof. The butt connector comprises a second shell and a butt terminal, the second shell is provided with a second accommodating cavity for accommodating the butt terminal, and the butt terminal is provided with a tapered groove and a pair of insertion arms. The opposite insertion arm is inserted into the insertion hole of the opposite arm of the connection terminal, and the taper portion is inserted into the taper groove of the opposite terminal and contacts with the inner wall surface forming the taper groove. Therefore, the purpose of enhancing the contact stability between the two terminals to improve the stability during power transmission is achieved.

Description

Coaxial cable connection device for solar junction box

technical field

The utility model relates to a coaxial connector, in particular to a coaxial cable connection device used in a solar junction box.

Background technique

The connector can be mated with a matching mating connector, one of which can be used to connect a coaxial cable to connect with an electronic device, such as a TV, radio or solar junction box.

A known coaxial connector generally includes a housing and a terminal disposed in the housing, and a mating coaxial connector also includes a housing and terminals disposed in the housing. The two terminals can be divided into a male terminal and a female terminal, and the male terminal is inserted into the socket of the female terminal to contact the female terminal to achieve signal or power transmission.

However, the male terminal is inserted behind the female terminal, and the contact between the male terminal and the female terminal is traditionally a single-point contact. Although single-point contact can achieve the purpose of power transmission, if the contact between the male terminal and the female terminal is poor, the power transmission will often be interrupted, resulting in damage or burning of related electronic products.

Utility model content

The technical problem to be solved by the utility model is to provide a coaxial cable connection device with a solar junction box that strengthens the contact stability between two terminals to improve the stability of power transmission.

In order to solve the problems of the technologies described above, the embodiments of the utility model provide technical solutions as follows:

The utility model provides a coaxial cable connection device of a solar junction box, which is electrically connected with two coaxial cables, and one of the two coaxial cables is electrically connected with the solar junction box, and the coaxial cable connection device includes a connector and a mating mating connector.

The above-mentioned connector includes a first shell and a connection terminal, the first shell is provided with a first receiving cavity, and the first shell has a main body and a docking portion. The connecting terminal is accommodated in the first accommodation cavity, and has a first cable connection portion and a pair of docking arms. An insertion hole is provided inside the docking arm, and a sectional groove is provided to make the docking arm stretch outward elastically, and the end of the docking arm The portion is formed with a tapered portion.

The butt connector includes a second housing and a butt terminal, the second housing is provided with a second receiving cavity, the butt terminal is accommodated in the second receiving cavity, and has a second cable connecting portion, and has a cone The column part of the shaped groove and a mating arm extending from the inner wall of the tapered groove. The mating part of the above-mentioned connector is inserted into the second receiving cavity of the mating connector, and the mating arm is inserted into the socket of the mating arm of the connection terminal and contacts with the mating arm, so that the mating arm is stretched elastically, and the tapered part is inserted into the mating terminal In the tapered groove, and in contact with the inner wall surface of the tapered groove.

The connecting terminal of the connector has a first base, and the first cable connecting portion protrudes from both sides of the first base opposite to the butt arm; the butt terminal of the butt connector has a second base, and the second cable The connecting portion protrudes from two sides of the second base portion opposite to the column portion.

The inner wall surface of the first housing forming the first receiving cavity is formed with a first stop wall, and the first blocking wall blocks the first base of the connecting terminal; the second housing forms the inner wall surface of the second receiving cavity A second stop wall is formed, and the second stop wall stops the second base of the butt terminal.

The first housing also has two alignment parts protruding from the main body part at intervals, and the second housing of the docking connector is recessed with two positioning notches, and the two alignment parts are inserted into the two positioning notches.

The connector also includes a first positioning sleeve set outside the first cable connection part of the connecting terminal and located in the first receiving cavity, a first elastic sleeve set outside the insulating layer of the coaxial cable Sleeve body, a set of first compression sleeve arranged on the outside of the first elastic sleeve, and a first screw lock cap body screwed to the main body of the first housing, the inner wall of the first screw lock cap body Press the first compression sleeve; the butt connector also includes a second positioning sleeve set outside the second cable connection part of the butt terminal and located in the second receiving cavity, and a set of second positioning sleeve set on the other same The second elastic sleeve outside the insulating layer of the axial cable, the second tight sleeve set outside the second elastic sleeve, and a second screw lock cap screwed on the second housing, the first The inner walls of the two screw lock caps press against the second compression sleeve.

The connector also includes a waterproof gasket set outside the docking portion of the first housing, and the waterproof gasket interferes with the inner wall surface of the second housing of the docking connector to form the second receiving cavity.

The first compression sleeve is formed with a plurality of first elastic claws, which can be elastically pressed against the first elastic sleeve body; the second compression sleeve is formed with a plurality of second elastic claws, the A plurality of second elastic claws can elastically press against the second elastic sleeve.

The outer edge of the first housing is formed with external threads, and the wall forming the first receiving cavity is provided with internal threads, the outer edge of the first positioning sleeve is provided with external threads, and the inner wall of the first screw lock cap is provided with internal threads. There are internal threads, the external threads of the first positioning sleeve and the internal threads of the first housing are mutually screw-locked, and the internal threads of the first screw-lock cap are mutually screw-locked with the external threads of the first housing; The outer edge of the second housing is formed with external threads, and the wall forming the second receiving cavity is provided with internal threads, the outer edge of the second positioning sleeve is provided with external threads, and the inner wall of the second screw lock cap is provided with internal threads. There are internal threads, the external threads of the second positioning sleeve are screwed with the internal threads of the second housing, and the internal threads of the second nut body are screwed with the external threads of the second housing.

Embodiments of the utility model have the following beneficial effects:

A butt arm that can expand outward is formed on the connecting terminal of the connector, and a tapered portion is formed on the butt arm, and a tapered groove is also formed on the butt terminal of the butt connector. In this way, when the connector is docked with the mating connector, the mating arm of the mating terminal is inserted into the mating arm to form the first contact, and after the mating combination, the tapered portion is inserted into the tapered groove to form the second contact. Therefore, the utility model can strengthen the contact stability between the two terminals to improve the stability of power transmission, and then can improve the known problem of power transmission interruption.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the attached drawings are only for reference and illustration, and are not intended to limit the present utility model.

Description of drawings

Fig. 1 is a perspective view of the coaxial cable connection device, the coaxial cable and the solar junction box of the present invention.

Fig. 2 is a three-dimensional exploded view of the coaxial cable connection device and the coaxial cable of the present invention.

Fig. 3 is a three-dimensional sectional view of the coaxial cable connection device and the coaxial cable of the present invention.

4 is a three-dimensional cross-sectional view of the coaxial cable connection device and the coaxial cable of the present invention, in which the schematic state of the connector and the mating connector is shown after being connected.

FIG. 5 is a detailed view of part A of FIG. 4 , which shows a schematic state where the connection terminal is in contact with the butt terminal.

Explanation of main component symbols

Coaxial Cable Connector 1

Connector 10

first housing 11

First storage cavity 111 Main body part 112

External thread 1121 Internal thread 1122

First retaining wall 1123 Docking part 113

Alignment Department 114

Connection terminal 12

First cable connection part 121 First concave hole 1211

Docking arm 122 Jack 1221

Groove 1222 Taper 1223

first base 123

first tight set 13

The first elastic claw 131

The first screw lock cap body 14

Internal thread 141

The first elastic sleeve 15

The first positioning sleeve 16

External thread 161

Waterproof gasket 17

Butt connector 20

second housing 21

The second storage cavity 211 The second blocking wall 2111

Positioning notch 212 External thread 213

Internal thread 214

Butt terminal 22

The second cable connection part 221 The second concave hole 2211

Column part 222 Tapered groove 2221

Pair of inserting arms 223 second base 224

Second tight set 23

The second elastic claw 231

The second screw lock cap body 24

Internal thread 241

The second elastic sleeve 25

Second positioning sleeve 26

External thread 261

Coaxial cable 3a, 3b

Insulation layers 31a, 31b

Conductors 32a, 32b

Solar Junction Box 4

Detailed ways

In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

Please refer to Figure 1 and Figure 2 first, the utility model provides a coaxial cable connection device 1 for a solar junction box, which is electrically connected to two coaxial cables 3a, 3b, and the two coaxial cables 3a, 3b are A coaxial cable 3b is electrically connected to the solar junction box 4; the coaxial cable connection device 1 includes a connector 10 and a butt connector 20.

The connector 10 includes a first shell 11 and a connection terminal 12, and further includes a first compression sleeve 13, a first screw cap 14, a first elastic sleeve 15, a first positioning sleeve 16 and a waterproof washer 17.

The above-mentioned first casing 11 is provided with a first receiving cavity 111 axially penetrating, and the first casing 11 has a main body 112 and a butt joint 113 protruding from the side end of the main body 112, and also has two opposite intervals An alignment portion 114 protruding from a side end of the main body portion 112 is provided. Wherein, an external thread 1121 is formed on the outer edge of the main body 112, and an internal thread 1122 is formed on an inner wall surface of the main body 112 forming the first receiving cavity 111, and a first stop wall 1123 is formed on the wall surface of the first receiving cavity 111 ( As shown in Figure 3 and Figure 4). The connecting terminal 12 has a first cable connecting portion 121, and a docking arm 122. The inside of the docking arm 122 is provided with an axial socket 1221, and the docking arm 122 is provided with a split groove 1222, so that the docking arm 122 can It is elastically expanded, and a tapered portion 1223 is formed at the end of the docking arm 122 . Wherein, the connection terminal 12 has a first base portion 123 , and the docking arm 122 protrudes from two sides of the first base portion 123 opposite to the first cable connection portion 121 .

A plurality of first elastic claws 131 are formed on the first tightening sleeve 13 , internal threads 141 are provided on the inner wall of the first nut body 14 , and external threads 161 are provided on the outer edge of the first positioning sleeve 16 .

The docking connector 20 includes a second housing 21 and a docking terminal 22, and also includes a second tight sleeve 23, a second screw cap 24, a second elastic sleeve 25 and a second positioning sleeve 26.

The above-mentioned second housing 21 is provided with a second receiving cavity 211 axially penetrating, and the second housing 21 is also provided with two positioning notches 212, and the outer edge is formed with external threads 213, and the second receiving cavity 211 is formed inside. The inner wall surface is provided with internal threads 214, and the inner wall surface of the second receiving cavity 211 is also formed with a second blocking wall 2111 (as shown in FIGS. 3 and 4 ). The docking terminal 22 has a second cable connecting portion 221 , a column portion 222 with a tapered groove 2221 , and a mating arm 223 extending from an inner wall surface forming the tapered groove 2221 . Wherein, the docking terminal 22 also has a second base portion 224 , and the second cable connection portion 221 protrudes from two sides of the second base portion 224 opposite to the column portion 222 .

The above-mentioned second tight sleeve 23, second screw lock cap body 24, second elastic sleeve body 25 and second positioning sleeve 26 are respectively connected with the first tight sleeve 13, the first screw lock cap body 14, the first elastic sleeve body 15 is the same member as the first positioning sleeve 16, so the first clamping sleeve 13 is formed with a second elastic claw 231, and the inner wall surface of the second screw lock cap body 24 is also provided with an internal thread 241, and the outer edge of the second positioning sleeve 26 External threads 261 are also provided.

Please refer to FIG. 3, the first positioning sleeve 16 of the connector 10 is sleeved outside the first cable connection portion 121 of the connecting terminal 12, and the first elastic sleeve 15 is sleeved in the two coaxial cables 3a, 3b. One of the coaxial cables 3a is outside the insulating layer 31a. The first compression sleeve 13 is sleeved on the outside of the first elastic sleeve 15, and the first elastic claw 131 can be elastically pressed against the first elastic sleeve 15, and the waterproof gasket 17 is sleeved on the docking part of the first housing 11 113 outside. The connecting terminal 12 is inserted and accommodated in the first receiving cavity 111 of the first casing 11, and the first stop wall 1123 of the first receiving cavity 111 blocks the first base 123 of the connecting terminal 12, and the first positioning sleeve 16 is located In the first receiving cavity 111 , the external thread 161 of the first positioning sleeve 16 and the internal thread 1122 of the first housing 11 are mutually screw-locked, so as to position the connecting terminal 12 in the first housing 11 . The first cable connection part 121 of the connection terminal 12 is connected to the conductor 32a of the coaxial cable 3a of the two coaxial cables 3a, 3b, and the conductor 32a can be inserted into the first concave hole 1211 provided on the first cable connection part 121 Inside. The first screw lock cap 14 is screwed outside the main body 112 of the first housing 11, and the internal thread 141 of the first screw lock cap 14 and the external thread 1121 of the first housing 11 are mutually screw-locked. Locked outside the first casing 11. The first compression sleeve 13 and the first elastic sleeve body 15 are located in the first nut body 14, and the inner wall surface of the first nut body 14 is pressed against the first elastic pawl 131 of the first compression sleeve 13, so that The first elastic claw 131 presses the first elastic sleeve 15 to fasten the above-mentioned coaxial cable 3a.

The second positioning sleeve 26 of the docking connector 20 is sleeved outside the second cable connection portion 221 of the docking terminal 22 , and the second elastic sleeve 25 is sleeved outside the insulating layer 31 b of the other coaxial cable 3 b. The second compression sleeve 23 is sleeved on the second elastic sleeve body 25 , and the second elastic claw 231 can elastically press the second elastic sleeve body 25 . The docking terminal 22 is inserted and accommodated in the second receiving cavity 211 of the second housing 21, and the second stop wall 2111 of the second receiving cavity 211 blocks the second base 224 of the docking terminal 22, and the second positioning sleeve 26 is located In the second receiving cavity 211 , the external thread 261 of the second positioning sleeve 26 and the internal thread 214 of the second housing 21 are screw-locked to each other, so as to position the butt terminal 22 in the second housing 21 . The second cable connection portion 221 of the docking terminal 22 is connected to the conductor 32 b of another coaxial cable 3 b, and the conductor 32 b can be inserted into the second concave hole 2211 provided in the second cable connection portion 221 . The second screw lock cap body 24 is screw-locked outside the second housing 21, and the internal thread 241 of the second screw lock cap body 24 and the external thread 213 of the second housing 21 are mutually screw-locked, so as to be screw-locked in the second shell. Out of the shell 21. The second compression sleeve 23 and the second elastic sleeve body 25 are located in the second screw lock cap body 24, and the inner wall surface of the second screw lock cap body 24 is pressed against the second elastic claw 231 of the second compression sleeve 23, so that The second elastic claw 231 presses the second elastic sleeve 25 to fasten the above-mentioned coaxial cable 3b.

Based on the above, as shown in FIG. 4 , the mating connector 20 and the connector 10 are mated with each other, and the mating portion 113 of the connector 10 is inserted into the second receiving cavity 211 of the mating connector 20 to be inserted into each other, and the second The alignment portion 114 of the first housing 11 can be inserted into the positioning notch 212 of the second housing 21 to increase the positioning and assembly of the two. In addition, the waterproof gasket 17 on the mating portion 113 of the connector 10 is in contact with the inner wall of the second receiving chamber 211 of the second housing 21 of the mating connector 20 to prevent moisture from penetrating into the second receiving chamber 211 . At the same time, the mating arm 223 of the docking terminal 22 in the present utility model is inserted into the socket 1221 of the docking arm 122 of the connection terminal 12, so that the mating arm 223 is in contact with the docking arm 122, and the docking arm 122 is stretched elastically. , and the tapered portion 1223 is inserted into the tapered groove 2221 of the mating terminal 22 and contacts the inner wall surface forming the tapered groove 2221 (as shown in FIG. 5 ). In this way, according to the aforementioned design, the connecting terminal 12 and the butting terminal 22 can achieve the purpose of similar two-point contact conduction.

Based on the above description, the utility model forms a butt arm 122 that can be expanded outwardly on the connection terminal 12 of the connector 10, and forms a tapered portion 1223 on the butt arm 122, and is also on the butt terminal 22 of the butt connector 20. A tapered groove 2221 is formed. In this way, when the connector 10 is docked with the mating connector 20, the mating arm 223 of the mating terminal 22 is inserted into the mating arm 122 to form the first contact, and after the mating combination, the tapered portion 1223 is inserted into the tapered groove 2221 And form the second contact. Therefore, the utility model can strengthen the contact stability between the two terminals to improve the stability of power transmission, and then can improve the known problem of power transmission interruption.

The foregoing is a preferred embodiment of the present utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present utility model. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (8)

1, a kind of coaxial cable jockey of solar junction box is electrically connected with two coaxial cables, and one of them coaxial cable of this two coaxial cable and this solar junction box be electrically connected, and it is characterized in that this coaxial cable jockey comprises:

A connector, it comprises one first housing and a splicing ear, this first housing is provided with first host cavity that axially runs through, and this first housing has a main part and a docking section from this main part projection, this splicing ear is contained in first host cavity of this first housing, and this splicing ear has one first cable connecting part that is connected with the wherein conductor of a coaxial cable of this two coaxial cable, and has a docking arm, described docking arm inside is provided with an axial jack, and be provided with the profile groove that described docking arm elasticity is opened outward, and the terminal part of described docking arm is formed with a tapered portion; And

One butt connector that connects with this connector, include one second housing and dock terminal with one, this second housing is provided with second host cavity that axially runs through, described butt joint terminal is contained in second host cavity of this second housing, and described butt joint terminal has second cable connecting part that is connected with the conductor of wherein another coaxial cable of this two coaxial cable, and have that an internal face that is provided with the post portion of cone tank and this cone tank of self-forming extends to inserting arm, insert in second host cavity of described butt connector the docking section of above-mentioned connector, contacting of described butt joint terminal to inserting in the jack of docking arm that arm inserts above-mentioned splicing ear and with described docking arm, and make flexible outer the opening of described docking arm, above-mentioned tapered portion is inserted in the cone tank of described butt joint terminal, and is contacted with the internal face that forms this cone tank.

2, the coaxial cable jockey of solar junction box as claimed in claim 1 is characterized in that, the splicing ear of this connector has one first base portion, this first base portion both sides projection certainly that this first cable connecting part is relative with docking arm; The butt joint terminal of this butt connector has one second base portion, this second base portion both sides projection certainly that this second cable connecting part is relative with post portion.

3, the coaxial cable jockey of solar junction box as claimed in claim 2 is characterized in that, the internal face that this first housing forms this first host cavity is formed with first retaining wall, first base portion of this this splicing ear of first retaining wall block; The internal face that this second housing forms this second host cavity is formed with second retaining wall, and this second retaining wall block should dock second base portion of terminal.

4, the coaxial cable jockey of solar junction box as claimed in claim 3, it is characterized in that, this first housing also has two contraposition parts that are provided with at interval from this main part projection, second housing of this butt connector is concaved with two locating notches, and this two contraposition part is inserted in this two locating notch.

5, as the coaxial cable jockey of claim 1,2,3 or 4 each described solar junction boxes, it is characterized in that, this connector comprises that also one is sheathed on outer and first positioning sleeve, that be positioned at this first host cavity of first cable connecting part of this splicing ear and is sheathed on wherein that the outer first elasticity body, of insulating barrier of a coaxial cable is sheathed on the first external packing cover of first resilient sleeve, reaches a screw lock in the first spiral shell lock cap body of the main part of this first housing, and the inside wall of this first spiral shell lock cap body compresses this first packing cover; This butt connector comprises that also one is sheathed on the outer and outer second elasticity body, of insulating barrier that second positioning sleeve, that be positioned at this second host cavity is sheathed on another coaxial cable of second cable connecting part of this butt joint terminal and is sheathed on the second external packing cover of this second resilient sleeve, reaches a screw lock in the second spiral shell lock cap body of this second housing, and the inside wall of this second spiral shell lock cap body compresses this second packing cover.

6, the coaxial cable jockey of solar junction box as claimed in claim 5, it is characterized in that, this connector comprises that also one is sheathed on the waterproof washer outside the docking section of this first housing, and second housing that this waterproof washer contacts at this butt connector forms the internal face of this second host cavity.

7, the coaxial cable jockey of solar junction box as claimed in claim 5 is characterized in that, this first packing cover is formed with a plurality of first elastic claws, and these a plurality of first elastic claws can flexiblely be oppressed in this first elasticity body; This second packing cover is formed with a plurality of second elastic claws, and these a plurality of second elastic claws can flexiblely be oppressed in this second elasticity body.

8, the coaxial cable jockey of solar junction box as claimed in claim 5, it is characterized in that, the outer rim of this first housing is formed with external screw thread, and the wall that forms this first host cavity is provided with internal thread, the outer rim of this first positioning sleeve is provided with external screw thread, the inner wall of this first spiral shell lock cap body is provided with internal thread, the mutual screw lock configuration of the internal thread of the external screw thread of this first positioning sleeve and this first housing, the mutual screw lock configuration of the internal thread of this first spiral shell lock cap body and the external screw thread of this first housing; The outer rim of this second housing is formed with external screw thread, and the wall that forms this second host cavity is provided with internal thread, the outer rim of this second positioning sleeve is provided with external screw thread, the inner wall of this second spiral shell lock cap body is provided with internal thread, the mutual screw lock configuration of the internal thread of the external screw thread of this second positioning sleeve and this second housing, the mutual screw lock configuration of the internal thread of this second spiral shell lock cap body and the external screw thread of this second housing.

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