CN102683993B - Lead wire structure for sealing and explosion protection of shell - Google Patents
Lead wire structure for sealing and explosion protection of shell Download PDFInfo
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- CN102683993B CN102683993B CN201210164294.2A CN201210164294A CN102683993B CN 102683993 B CN102683993 B CN 102683993B CN 201210164294 A CN201210164294 A CN 201210164294A CN 102683993 B CN102683993 B CN 102683993B
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- patchplug
- lead
- jack
- sealing
- wallboard
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Abstract
The invention discloses a lead wire structure for sealing and explosion protection of a shell. The lead wire structure consists of an adapter plug (2) arranged on a lead wire hole (12) of a lead wire wall board (11) of the shell in a penetrated manner. The adapter plug (2) comprises an adapter plug body (21) made of insulation material, jacks (22) arranged at the both sides of the adapter plug main body (21) and matched with a cable joint (51) on a cable (5), and a metal pin (3) nested in the adapter plug main body (21); the metal pin (3) passes through the adapter plug body (21) in a sealed manner, and the both ends of the metal pin (3) respectively extend into the jacks (22) arranged at the both sides of the adapter plug body (21); and a sealing ring (4) is arranged between the adapter plug body (21) and a lead wire wall board (11). The lead wire structure provided by the invention not only has a good sealing effect but also is simple in operation of a lead wire, and is particularly suitable for the lead wire between a main tank body and a stand column body of an oiling machine.
Description
Technical field
The present invention relates to a kind of pin configuration connecting wire on wallboard, particularly a kind of requirement connects the pin configuration that position has sealing effectiveness.
Background technology
With in the equipment of circuit board, instrument; have and much need circuit board to be arranged in the housing of sealing; and; this circuit board also will be connected with other circuit boards outside housing by cable usually, so just requires that cable passes the necessary Packed effect of tool of structure (pin configuration) of housing wall.
Such as, in the fuel charger of side operation, the circuit board of main control part is arranged in the closed main box of one in the middle part of body, the board side of operation part is arranged in the column body outside main box, cable between circuit board in main box and column body has to pass through the tank wall of main box, and requires that the position of this threading must seal; This is because: the gas of the fuel oil volatilization that fuel charger may produce because of reasons such as leakages enters in casing, particularly top goes out the fuel charger of oil form, if these fuel gas run up to a certain degree in casing, the arc spark that box house electronic devices and components produce will ignite gas, produce blast, jeopardize personal safety as well as the property safety.Usually, if the cross section of described cable is circular, the sealing of pin configuration adopts in prior art often has joint for sealing cable just can realize.But, the cross section of a lot of situation cable is non-circular (odd-shaped cross section, such as common flat cable), even if or cross section for circular but its end is provided with plug in advance, existing like this joint for sealing cable just can not work, threading position be sealed to technological difficulties.Usual solution of the prior art is: on box body wall, arrange soft material block (such as rubber slab), and at the middle slitting crack of soft material block and aperture, and cable through this crack, then supplements and smears fluid sealant; But adopt the sealing effectiveness of the program bad, the case that in reality, security incident occurs because the sealing of this place is bad fuel charger happens occasionally.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of this pin configuration is particularly useful for the lead-in wire of the cable in fuel charger between main box and column body for housing seal, explosion-proof pin configuration, effectively prevents explosion accident from occurring.
A kind of for housing seal, explosion-proof pin configuration, it is characterized in that, this pin configuration by be located in housing lead-in wire wallboard fairlead on patchplug form, described patchplug comprises the patchplug body be made up of insulating material, the jack matched with the cable connector on cable being located at patchplug body both sides and is embedded in the intrinsic metal pin of patchplug; Described metal pin sealingly extends through patchplug body, and its two is stretched in the jack of patchplug body both sides respectively; Sealing ring is provided with between described patchplug body and lead-in wire wallboard.
Of the present invention for housing seal, one of explosion-proof pin configuration more specifically scheme, described patchplug body is provided with sealing in the inner side of lead-in wire wallboard, and described sealing ring is arranged between the end face in sealing portion and the medial surface of lead-in wire wallboard.Sealing ring is arranged between the end face of sealing and the madial wall of lead-in wire wallboard, be not only convenient to install, and sealing effectiveness is also fine.
Further, described sealing is provided with seal groove on the end face relative with the medial surface of lead-in wire wallboard, and described sealing ring is arranged in sealing groove.
Further, two of described sealing is provided with the engaging lug being fixed to by patchplug and going between on wallboard, and this engaging lug is provided with connecting hole, is fixedly connected with between engaging lug with lead-in wire wallboard by screw bolt and nut.Adopt the syndeton of screw bolt and nut, not only achieve detachable, and easy and simple to handle.
Of the present invention for housing seal, one of explosion-proof pin configuration more specifically scheme, described patchplug body is provided with the sump pit of ring-type in the outside of lead-in wire wallboard.The object arranging above-mentioned sump pit is, liquid is had on the lateral surface of lead-in wire wallboard, such as water, when flowing through this lead-in wire position, these water can be drained in it by described sump pit, this both can reduce water and enter patchplug sealing surface, can enter in patchplug and cause contact pin short circuit by anti-sealing again.In order to collect liquid better, the end face of described sump pit is preferably concordant with the lateral surface of lead-in wire wallboard.
Of the present invention for housing seal, one of explosion-proof pin configuration more specifically scheme, described metal pin is solid shank or hollow shank in the part being positioned at jack.Particularly, Ke Yishi: the part in the jack in the outside of lead-in wire wallboard is solid shank, the part in the jack of the inner side of lead-in wire wallboard is hollow shank; Also can be: the part in the jack in the outside of lead-in wire wallboard is hollow shank, the part in the jack of the inner side of lead-in wire wallboard be solid shank; Or: the part in the lead-in wire outside of wallboard and the jack of inner side is solid shank; Or be: the part in the lead-in wire outside of wallboard and the jack of inner side is hollow shank; But the sealing in the middle part of metal pin and between patchplug body must be ensured, namely ensure that the jack at described patchplug two ends can not intercommunication.In a word, the metal pin no matter in jack is solid shank or hollow shank, as long as the cable connector that can and be attached thereto matches, those skilled in the art can be arranged according to specific needs flexibly.
Of the present invention for housing seal, one of explosion-proof pin configuration more specifically scheme, the jack of the described every side of patchplug body is a row or multi-row, comprises one or more jack in each row; The jack one_to_one corresponding of patchplug body both sides.The object of technique scheme is adopted to be, described patchplug body can connect various different cable connector, this is because, contact pin in usual cable connector is a row or multi-row, and the quantity of contact pin is also not necessarily identical in each row, therefore the jack on patchplug body is arranged to a row or multi-row, and when the jack often arranged is abundant, just the cable connector of different model can be plugged, as long as ensure that the cable connector be connected on the jack of patchplug body both sides is mutually corresponding.
Of the present invention for housing seal, one of explosion-proof pin configuration more specifically scheme, the outer wall of described jack is provided with the mistake proofing slot preventing from mispluging.By arranging the projection matched with mistake proofing slot on cable connector, just can prevent cable connector from mispluging.
Of the present invention compared with prior art have following beneficial effect for housing seal, explosion-proof pin configuration:
In the present invention, be directly divided into two sections through the cable of lead-in wire wallboard in prior art, in its end, cable connector be set respectively and be connected respectively in the jack of patchplug body both sides, reaching the object of lead-in wire; Owing to being easy to sealing (during injection moulding, they being formed one) between the metal pin in patchplug body and its body; As long as therefore ensure that patchplug body and the sealing gone between wallboard can guarantee the sealing effectiveness of this pin configuration, and adopt sealing ring of the prior art just can reach good sealing effectiveness between patchplug body and lead-in wire wallboard.Therefore, pin configuration of the present invention greatly increases sealing effectiveness, be applied to the band odd-shaped cross section cable in fuel charger between main box and column body, or circular section cable but when being provided with the sealing of the cable of plug, explosion-proof lead-in wire in advance, can effectively prevent liquid and damp from entering in main box, realize the anti-effect of gas-tight, waterproof and dustproof etc. three, avoid security incidents such as blasting, drastically increase the security performance of fuel charger.In addition, pin configuration of the present invention also has that structure is simple, cost is low, go between easy to operate advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of pin configuration of the present invention.
Fig. 2 ~ Fig. 5 is the structural representation of patchplug in the pin configuration shown in Fig. 1, and wherein, Fig. 2 is front view, and Fig. 3 is the A-A cutaway view of Fig. 2, and Fig. 4 is vertical view, and Fig. 5 is stereogram.
The structural representation that Fig. 6 is connected with cable for the pin configuration shown in Fig. 1.
Fig. 7 is applied to the structural representation on fuel charger for the pin configuration shown in Fig. 1.
Fig. 8 is the partial enlarged drawing at the I place of Fig. 7.
Embodiment
See Fig. 1 ~ 5, being made up of the patchplug 2 on the lead-in wire wallboard 11 being located in housing 1 for housing seal, explosion-proof pin configuration of the present embodiment.Described patchplug 2 is made up of the plastics insulating, the metal pin 3 that this patchplug 2 comprises patchplug body 21, is located at the jack 22 of patchplug body 21 both sides and is located in patchplug body 21 body; Wherein, described patchplug body 21 is cuboid, is embedded on the fairlead 12 matched with it on lead-in wire wallboard 11; Described jack 22 is rectangular, and the jack 22 of the every side of patchplug body 21 is two rows, comprises 9 jacks 22, jack 22 one_to_one corresponding of both sides in each row; Described metal pin 3 sealingly extends through patchplug body 21, its two is stretched in two corresponding jacks 22 of patchplug body 21 both sides respectively, metal pin 3 and patchplug body 21 form one when injection moulding, the part of metal pin 3 in the jack 22 in the outside of lead-in wire wallboard 11 is solid shank 31, is hole heart shank 32 in the part of the jack 22 of the inner side (being namely positioned at the side of housing 1 inner chamber) of lead-in wire wallboard 11; The overall structure that above-mentioned jack 22 and interior metal pin 3 thereof are formed and be attached thereto the cable connector 51 connect and match.Described patchplug body 21 is provided with the sealing 25 of the radial cuboid extended in the inner side of lead-in wire wallboard 11, sealing portion 25 is provided with the seal groove 26 of rectangle on the end face relative with the medial surface of lead-in wire wallboard 11, is provided with the sealing ring 4 of rectangle in sealing groove 26; Two of described sealing 25 is provided with the engaging lug 27 being fixed to by patchplug 2 and going between on wallboard 11, and this engaging lug 27 is provided with connecting hole, is fixedly connected with between engaging lug 27 with lead-in wire wallboard 11 by bolt 6 with nut 7; Sealing ring 4, while fixed transfer plug 2, is pressed on seal groove 26 and between the medial surface of the wallboard 11 that goes between, guarantees sealing effectiveness by described bolt 6 and nut 7.Described patchplug body 21 is provided with row's groove at night 23 of ring-type in the outside being positioned at lead-in wire wallboard 11, and the end face of this row's groove at night 23 is concordant with the lateral surface of lead-in wire wallboard 11.In order to ensure can be accurately connected between cable connector 51 with jack 22, the outer wall being positioned at the jack 22 inside lead-in wire wallboard 11 is provided with the mistake proofing slot 24 preventing from mispluging.
See Fig. 6, when needing the circuit board 8 inside and outside by housing 1 to connect, respectively the cable connector 51 of cable 5 end on respective circuit board 8 is inserted on patchplug 2 in corresponding jack 22, simple and efficient to handle.
See Fig. 7 and Fig. 8, , the structure during lead-in wire be applied to by the pin configuration of the present embodiment between the main box 9 (being namely equivalent to above-mentioned housing 1) of fuel charger and column body 10 is shown in figure, usual column body 10 and interior circuit board 8 thereof first install and are fixed on the side of main box 9, when connecting the circuit board 8 between main box 9 and column body 10, first by bolt 6 and nut 7, patchplug 2 is fixed on the lead-in wire wallboard 11 of main box 9, then respectively the cable connector 51 in main box 9 and column body 10 is inserted in the corresponding jack 22 of patchplug 2.
Claims (7)
1. one kind for housing seal, explosion-proof pin configuration, it is characterized in that, this pin configuration by be located in housing (1) lead-in wire wallboard (11) fairlead (12) on patchplug (2) form, described patchplug (2) comprises the patchplug body (21) be made up of insulating material, the jack (22) matched with the cable connector (51) on cable (5) being located at patchplug body (21) both sides and is embedded the metal pin (3) in patchplug body (21); Described metal pin (3) sealingly extends through patchplug body (21), and its two is stretched in the jack (22) of patchplug body (21) both sides respectively; Sealing ring (4) is provided with between described patchplug body (21) and lead-in wire wallboard (11);
Described patchplug body (21) is provided with the sump pit (23) of ring-type in the outside of lead-in wire wallboard (11); The end face of described sump pit (23) is concordant with the lateral surface of lead-in wire wallboard (11).
2. according to claim 1 a kind of for housing seal, explosion-proof pin configuration, it is characterized in that, described patchplug body (21) is provided with sealing (25) in the inner side of lead-in wire wallboard (11), and described sealing ring (4) is arranged between the end face in sealing portion (25) and the medial surface of lead-in wire wallboard (11).
3. according to claim 2 a kind of for housing seal, explosion-proof pin configuration, it is characterized in that, described sealing (25) is provided with seal groove (26) on the end face relative with the medial surface of lead-in wire wallboard (11), and described sealing ring (4) is arranged in sealing groove (26).
4. according to claim 3 a kind of for housing seal, explosion-proof pin configuration, it is characterized in that, two of described sealing (25) is provided with the engaging lug (27) being fixed to by patchplug (2) and going between on wallboard (11), this engaging lug (27) is provided with connecting hole, is fixedly connected with between engaging lug (27) with lead-in wire wallboard (11) by bolt (6) with nut (7).
5. according to claim 1 a kind of for housing seal, explosion-proof pin configuration, it is characterized in that, described metal pin (3) is solid shank (31) or hollow shank (32) in the part being positioned at jack (22).
6. according to claim 1 a kind of for housing seal, explosion-proof pin configuration, it is characterized in that, the jack (22) of the every side of described patchplug body (21), for a row or multi-row, comprises one or more jack (22) in each row; Jack (22) one_to_one corresponding of patchplug body (21) both sides.
7. according to claim 1ly a kind ofly to it is characterized in that for housing seal, explosion-proof pin configuration, the outer wall of described jack (22) is provided with the mistake proofing slot (24) preventing from mispluging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210164294.2A CN102683993B (en) | 2012-05-23 | 2012-05-23 | Lead wire structure for sealing and explosion protection of shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210164294.2A CN102683993B (en) | 2012-05-23 | 2012-05-23 | Lead wire structure for sealing and explosion protection of shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102683993A CN102683993A (en) | 2012-09-19 |
| CN102683993B true CN102683993B (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210164294.2A Active CN102683993B (en) | 2012-05-23 | 2012-05-23 | Lead wire structure for sealing and explosion protection of shell |
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| Country | Link |
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| CN (1) | CN102683993B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124565B (en) * | 2014-08-04 | 2016-03-30 | 中国工程物理研究院总体工程研究所 | A kind of antiknock seal switching device of radio frequency cable |
| CN104485525B (en) * | 2014-12-26 | 2017-03-15 | 常州市盛和电子有限公司 | The electrical connection arrangement of explosion-proof chamber |
| CN109149176B (en) * | 2017-06-27 | 2021-05-18 | 中航光电科技股份有限公司 | Adaptor connector, printed board connector and base station remote unit |
| CN108154654A (en) * | 2017-12-23 | 2018-06-12 | 中山市得高行知识产权中心（有限合伙） | A kind of gas leakage alarm device based on smart home |
| CN110611200B (en) * | 2018-09-30 | 2021-03-23 | 中航光电科技股份有限公司 | Plug assembly |
| CN109103833B (en) * | 2018-10-23 | 2021-02-05 | 北京精密机电控制设备研究所 | Encapsulating type cable sealing cabin penetrating structure |
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| CN1213755A (en) * | 1997-10-03 | 1999-04-14 | 西部电机株式会社 | Actuating device prepared with antiexplosion and waterproof for valve drive cistern |
| CN1551455A (en) * | 2003-03-24 | 2004-12-01 | ��ʽ�����Զ��������缼���о��� | Connecting structure for electric wire to shield case of apparatus |
| CN201498746U (en) * | 2009-06-24 | 2010-06-02 | 中航光电科技股份有限公司 | Cable connecting component |
| CN201570684U (en) * | 2009-12-28 | 2010-09-01 | 中国科学院沈阳自动化研究所 | Watertight connector |
| CN202616511U (en) * | 2012-05-23 | 2012-12-19 | 托肯恒山科技（广州）有限公司 | Lead wire structure for sealing and explosion protection of shell |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004028393A1 (en) * | 2004-06-14 | 2005-12-29 | Behr Gmbh & Co. Kg | Device for connecting at least one electrical component to a pipeline network, in particular of a motor vehicle |
| CN201556944U (en) * | 2009-10-12 | 2010-08-18 | 深圳市力征科技有限公司 | Water-proof and dust-proof power supply wave filter |
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2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1213755A (en) * | 1997-10-03 | 1999-04-14 | 西部电机株式会社 | Actuating device prepared with antiexplosion and waterproof for valve drive cistern |
| CN1551455A (en) * | 2003-03-24 | 2004-12-01 | ��ʽ�����Զ��������缼���о��� | Connecting structure for electric wire to shield case of apparatus |
| CN201498746U (en) * | 2009-06-24 | 2010-06-02 | 中航光电科技股份有限公司 | Cable connecting component |
| CN201570684U (en) * | 2009-12-28 | 2010-09-01 | 中国科学院沈阳自动化研究所 | Watertight connector |
| CN202616511U (en) * | 2012-05-23 | 2012-12-19 | 托肯恒山科技（广州）有限公司 | Lead wire structure for sealing and explosion protection of shell |
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| Publication number | Publication date |
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| CN102683993A (en) | 2012-09-19 |
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