CN212648610U - Sealing element for line slot joint and double-holding pull waterproof connector - Google Patents
Sealing element for line slot joint and double-holding pull waterproof connector Download PDFInfo
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- CN212648610U CN212648610U CN202021716394.8U CN202021716394U CN212648610U CN 212648610 U CN212648610 U CN 212648610U CN 202021716394 U CN202021716394 U CN 202021716394U CN 212648610 U CN212648610 U CN 212648610U
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Abstract
The utility model relates to the technical field of waterproof wire casing, and discloses a sealing element and a double-holding waterproof connector for a wire casing joint, which comprises a sealing part and a fixing part which are connected, wherein the sealing part is embedded into the wire casing joint, the end part of the sealing part extends out of the wire casing joint, the extending part extends to the two sides of the wire casing joint, and the fixing part is used for fixing the inner wall of the wire casing; the inner sealing piece and the outer sealing piece are used for sealing, on the basis that the inner sealing piece guarantees two-stage radial sealing and end face sealing of the inner side and the outer side of the seam of the line groove phase, the outer sealing piece locks and compresses the inner sealing piece, and finally three-stage radial sealing and end face sealing of the seam of the line groove phase are achieved, so that the sealing performance of the connector is enhanced.
Description
Technical Field
The utility model relates to a waterproof wire casing technical field especially relates to a sealing member and two embracing of seam are used for the wire casing to draw waterproof connector mutually.
Background
At present, the urban areas in China are developing rail transit, and particularly, the construction of subways is more prominent. Because the subway is built in a stratum with the depth of dozens of meters below the ground surface, underground water can permeate into infrastructure of the subway platform, the marble or the ceramic tile on the ground of the subway platform adopts a dry-pasting method at present, most of ash materials and yellow sand of the dry-pasting method account for the marble or the ceramic tile, the interior of the marble or the ceramic tile is loose and must permeate water, and the inside of the permeated water contains strong alkaline components brought by building structure concrete, so that the permeability is strong. After a certain part of the built subway automatic ticketing system ground pipeline grooves are laid, the strong current pipe grooves and the weak current pipe grooves are completely infiltrated by underground water, and particularly, the underground water level of the river and coastal cities is high, so that the problem is more prominent.
If water is accumulated in the ground wire slot of the automatic ticketing system for a long time, the following hazards can be generated: one cable is soaked in alkaline water for a long time, an insulating layer is easy to corrode, equipment is short-circuited if the cable is light, and personnel electric shock accidents are caused if the cable is broken down; ponding in its two automatic ticket system ground wire inslots can generate heat and produce water vapor because the cable circular telegram, and water vapor can volatilize to the floodgate machine through being qualified for the next round of competitions under the floodgate machine, causes electronic component and circuit board electric leakage or short circuit in the floodgate machine, if the floodgate machine shell is electrified can make the passenger electrocute, leads to the fact the direct incident of passenger for the first moment, and the second can cause the stream of people chaotic, causes even to trample the accident.
The connection part of the ground wire grooves is connected by adopting a connector, the existing connector generally adopts the mode that a split type sealing gasket is arranged in a connecting plate, and then the sealing gasket is locked by an upper connecting plate and a lower connecting plate to realize the sealing connection of the connection part of the two wire grooves. However, in the structure, a certain gap is formed at the butt joint of the two split sealing gaskets, and the sealing effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be: the sealing element with good sealing effect and the double-embracing pull waterproof connector are provided.
The technical scheme of the utility model is that: the utility model provides a sealing member for wire casing looks seam, including the sealing and the fixed part that meet, the sealing embedding wire casing looks seam, and its tip stretches out the wire casing and meets the seam outside, and its extension extends to wire casing looks seam both sides, the fixed part is used for fixing the inner wall of wire casing, the inside and outside both sides that the wire casing meets the seam are sealed by fixed part and sealing respectively, have realized that the wire casing meets the inside and outside radial seal simultaneously of seam, on this basis, the sealing inlays the part of wire casing looks seam and carries out end face seal to it, has strengthened the sealed effect of connector.
Further, the part of the sealing part extending out of the seam of the wire groove is T-shaped or mushroom-head-shaped.
Further, the fixing part is provided with an installation groove.
Further, the sealing part and the fixing part are both made of ethylene propylene diene monomer.
Further, the sealing part and the fixing part are of an integrated structure.
Simultaneously, still provide one kind and embrace simultaneously and draw waterproof connector, including outer sealing member and inner sealing member, the inner sealing member is including the first connecting piece and the second connecting piece of connection, the outer sealing member is including the upper junction plate and the lower junction plate of butt joint, upper junction plate and lower junction plate inner wall all are provided with sealed the pad, first connecting piece embedding is in foretell the mounting groove that is used for the sealing member of wire casing looks seam. In the process of butt joint and locking of the outer sealing element, the part of the sealing element of the inner sealing element, which extends out of the joint, is compressed, so that the part is more closely attached to the outer walls of the wire grooves on the two sides, and the sealing performance of the outer side of the joint is improved; based on the structure, the sealing gasket of the second connecting piece performs secondary radial sealing on the inner sealing piece in the butt joint and locking process, so that two-stage radial sealing and end face sealing at the line groove phase joint are realized, and the sealing performance of the connector is enhanced.
Furthermore, the lower connecting plate is of a U-shaped structure, and the upper connecting plate is of a flat plate or a U-shaped structure.
Furthermore, all be provided with the strengthening rib on upper junction plate and the lower connecting plate, the strengthening rib compresses tightly, fixes a position the sealed pad of laying at the connection piece inner wall, thereby avoids sealed pad horizontal slip to influence sealing connector's leakproofness.
Furthermore, the two end parts of the lower connecting plate incline towards the middle to form pressing parts, and the pressing parts transversely press the sealing gasket laid on the inner wall of the lower connecting plate to generate enough compression so as to ensure the sealing performance of the connector.
Further, the end part of the first connecting piece inclines towards the second connecting piece, so that the cable is prevented from being scratched in the threading process.
Compared with the prior art, the utility model the advantage lie in:
1. the utility model discloses a improve connector sealing member structure, can realize the inside and outside radial seal simultaneously of wire casing looks seam, and can realize that the wire casing meets the seam end face and seal, strengthened the sealed effect of connector.
2. The utility model discloses an inside and outside two sealing members seal up, including the sealing member guarantee the inside and outside both sides two-stage radial seal of wire casing looks seam and on the sealed basis of terminal surface, the internal sealing member of outer sealing member locking, compression finally realize tertiary radial seal and the terminal surface seal of wire casing looks seam to the sealing performance of connector has been strengthened, its waterproof performance can reach IPX 7.
Drawings
Fig. 1 is a front view of the connector and the wire duct of the present invention.
Fig. 2 is a bottom view of the connector and the wire duct of the present invention.
Fig. 3 is an installation schematic diagram of the connector and the wire casing of the present invention.
Fig. 4 is a front view of the outer seal of the present invention.
Fig. 5 is a perspective view of the outer seal member of the present invention.
Fig. 6 is a front view of the inner seal of the present invention.
Fig. 7 is a cross-sectional view taken along line B-B of fig. 6 according to the present invention.
Fig. 8 is a perspective view of the inner seal member of the present invention.
Fig. 9 is a front view of the sealing member of the present invention.
Fig. 10 is a sectional view taken along line a-a of fig. 9 according to the present invention.
Fig. 11 is a perspective view of the sealing member of the present invention.
Figure 12 is a front view of the overseal of the hinged connection of the present invention.
Fig. 13 is a perspective view of the outer seal of the hinged connection of the present invention.
Reference numerals:
the double-holding waterproof connector comprises a double-holding waterproof connector 100, an inner sealing element 1, a first connecting element 11, a second connecting element 12, an outer sealing element 2, an upper connecting plate 21, a lower connecting plate 22, a sealing gasket 23, a reinforcing rib 24, a pressing part 221, a letter hinge 25, an elastic grounding device 26, a sealing element 3, a sealing part 31, a fixing part 32, an extending part 33, a mounting groove 34, a wire groove 4 and a lug 41.
Detailed Description
The installation of the waterproof wire casing is generally to fix the wire casing on the ground in sections, and then connect the adjacent wire casings by adopting the connector, in order to improve the tightness of the wire casing joint, the applicant improves the connector of the waterproof wire casing, namely, the tightness of the connector is improved by adopting a double-holding structure, so as to improve the tightness of the whole waterproof wire casing.
The double-embracing waterproof connector 100 comprises an outer sealing piece 32 and an inner sealing piece 31, wherein the inner sealing piece 31 performs radial sealing and end face sealing on a joint of the wire groove 4, and the outer sealing piece 32 performs compression sealing on the inner sealing piece 31, so that the sealing reliability of the connector is ensured.
Specifically, as shown in fig. 6 to 8, the inner sealing member 31 includes a first connecting member 11 and a second connecting member 12, which are connected to each other by welding, and in order to ensure the welding accuracy of the two, a welding positioning hole may be provided on the first connecting member 11.
The first connecting piece 11 and the second connecting piece 12 are frame-shaped structures consistent with the cross-sectional shape of the end part of the wire slot 4, the width of the second connecting piece 12 is smaller than that of the first connecting piece 11, the first connecting piece 11 is embedded into the sealing piece 3, and the second connecting piece 12 is fixedly connected with the inner wall of the wire slot 4 and can be fixedly connected in a welding mode. After the second connecting piece 12 and the first connecting piece 11 are connected, a step groove is formed on the first connecting piece 11, and the step groove is an installation groove 34 of the sealing element 3, and the size of the step groove is matched with that of the sealing element 3.
As shown in fig. 4-5, the outer sealing member 32 includes an upper connecting plate 21 and a lower connecting plate 22 which are butted, the inner walls of the upper connecting plate 21 and the lower connecting plate 22 are respectively provided with a sealing gasket 23, after the upper connecting plate 21 and the lower connecting plate 22 are butted, a rectangular frame structure is formed to realize transverse and longitudinal compression of the inner sealing member 31 and the wire casing 4, and meanwhile, the two sealing gaskets 23 on the upper connecting plate are also butted to form a rectangular frame structure to realize radial sealing of the inner sealing member 31.
Specifically, lower connecting plate 22 is the U-shaped structure, upper connecting plate 21 is dull and stereotyped or U-shaped structure, and upper connecting plate 21 and lower connecting plate 22's both ends all are provided with the mounting hole, and the mounting hole of upper connecting piece passes through bolt locking with the mounting hole of lower connecting piece, simple structure, simple to operate.
Preferably, the lower connecting plate 22 may be an integral structure or a separate structure, as shown in fig. 12-13, specifically, the side plate of the lower connecting plate 22 is hinged to the transverse plate, and when the structure is adopted, in order to ensure the pressing force of the side plate on the inner sealing member 31, the connecting position of the side plate and the transverse plate adopts the structure of the letter hinge 25, so as to ensure that the side plate is perpendicular to the transverse plate.
Preferably, the upper connecting plate 21 and the lower connecting plate 22 are both provided with reinforcing ribs 24, and the reinforcing ribs 24 compress and position the sealing gasket 23 laid on the inner wall of the connecting piece, so that the sealing performance of the sealing connector is prevented from being influenced by the transverse or longitudinal sliding of the sealing gasket 23.
Preferably, the two ends of the lower connecting plate 22 are inclined towards the middle to form pressing parts 221, and the pressing parts 221 transversely press the sealing gasket 23 laid on the inner wall of the lower connecting plate 22 to generate enough compression, so as to ensure the sealing performance of the connector.
Preferably, the end of the first connector 11 is inclined towards the second connector 12 to avoid scratching the cable during threading.
In order to further improve the sealing performance of the double-holding waterproof connector 100, the applicant improves the structure of the sealing element 3 at the joint of the wire grooves 4. Specifically, as shown in fig. 9-11, the utility model discloses a sealing member 3 is including the sealing 31 and the fixed part 32 that meet, the embedding of sealing 31 the 4 looks seams of wire casing, and its tip stretch out wire casing 4 and meet the seam outside, and its extension 33 is to the 4 looks seams both sides of wire casing extension, fixed part 32 is used for fixing the inner wall of wire casing 4, the inside and outside both sides of 4 looks seams of wire casing are sealed by fixed part 32 and sealing 31 respectively, have realized the inside and outside radial seal simultaneously of 4 looks seams of wire casing, on this basis, the sealing 31 embedding wire casing 4 looks seam part carries out end face seal to it, has strengthened the sealed effect of connector.
Preferably, the part of the sealing part 31 extending out of the joint of the wire casing 4 is T-shaped or mushroom-head-shaped, so long as the part extending out of the joint of the wire casing 4 can generate certain compression deformation after the outer sealing element 32 is compressed in a butt joint manner, and the compression deformation can realize secondary radial sealing at the joint.
In order to fix the first connecting member 11 to the sealing member 3, the fixing portion 32 is provided with a mounting groove 34, and specifically, the mounting groove 34 may be a groove with a J-shaped cross section, and a longer end of the mounting groove is connected to the sealing portion 31 of the sealing member 3. In specific use, the sealing element 3 is adhered to the first connecting element 11 through the mounting groove 34.
Preferably, the sealing portion 31 and the fixing portion 32 are both made of epdm rubber, so that the sealing member 3 can generate a sufficient compression amount and have a certain hardness to ensure the sealing property of the sealing member 3, and at the same time, the corrosion resistance of the sealing member 3 is improved, and the service life of the sealing member is prolonged.
Preferably, the sealing portion 31 and the fixing portion 32 may be integrally formed.
Preferably, in order to ensure the reliability of the connection between the double-holding waterproof connector 100 and the trunking 4, two trunking 4 that are connected are provided with the connecting lug 41, and the two connecting lugs 41 drive the two trunking 4 to move in opposite directions when being axially locked by a bolt, so as to realize the butt joint and locking of the two trunking 4. Preferably, the lug 41 is provided with a rib plate to enhance the strength of the lug 41 and ensure that the lug 41 does not deform during the butt joint and locking process.
Preferably, in order to ensure that the waterproof trunking can be continuously grounded when the double embracing waterproof connector of the present application is used, as shown in fig. 4 to 5, elastic grounding devices 26 are arranged on the lower connecting plate 22 on both sides of the gasket 23. Specifically, elasticity earthing device 26 includes the ground screw, and the ground screw is fixed on lower connecting plate 22, be connected with the arc shell fragment of two relative settings on the ground screw, the peak point of this arc shell fragment is higher than sealed 23 settings of filling up for sealed 23 compressed back elasticity earthing device 26 still can safely ground with wire casing 12.
When the sealing connector is used specifically, the second connecting piece 12 of the inner sealing piece 31 is welded on the inner wall of one of the wire slots 4 to be butted, then the other one is moved to the sealing part 31 of the sealing piece 3, and then the upper connecting plate 21 and the lower connecting plate 22 of the outer sealing piece 32 are butted and locked, and in the process of butting and locking the outer sealing piece 32, the part of the sealing piece 3 of the inner sealing piece 31, which extends out of the joint, is compressed, so that the sealing piece is more tightly attached to the outer walls of the wire slots 4 on two sides, and the sealing performance outside the joint is improved; the sealing gasket 23 of the second connecting piece 12 performs secondary radial sealing on the inner sealing piece 31 in the butt joint and locking process, so that two-stage radial sealing and end face sealing at the joint of the wire groove 4 are realized, and the sealing performance of the connector is enhanced.
The details of the present invention not described in detail in the specification are well known to those skilled in the art.
Claims (10)
1. A seal for a wire-in-groove joint, comprising: including sealing (31) and fixed part (32) that meet, sealing (31) embedding wire casing (4) seam mutually, and its tip stretches out wire casing (4) and meets the seam outside, and its extension (33) meet the seam both sides to wire casing (4) and extend, fixed part (32) are used for fixing the inner wall of wire casing (4).
2. A seal for a wire-in-groove joint as defined in claim 1, wherein: the part of the sealing part (31) extending out of the joint of the wire groove (4) is T-shaped or mushroom-head-shaped.
3. A seal for a line and groove joint according to claim 1 or 2, wherein: the fixing part (32) is provided with a mounting groove (34).
4. A seal for a wire-in-groove joint as defined in claim 3, wherein: the sealing part (31) and the fixing part (32) are both made of ethylene propylene diene monomer.
5. A seal for a wire-groove phase seam according to claim 4, wherein: the sealing part (31) and the fixing part (32) are of an integrated structure.
6. The utility model provides a two embrace and draw waterproof connector which characterized in that: the sealing element comprises an outer sealing element (2) and an inner sealing element (1), wherein the inner sealing element (1) comprises a first connecting piece (11) and a second connecting piece (12) which are connected, the outer sealing element (2) comprises an upper connecting plate (21) and a lower connecting plate (22) which are butted with each other, sealing gaskets (23) are arranged on the inner walls of the upper connecting plate (21) and the lower connecting plate (22), and the first connecting piece (11) is embedded into the mounting groove (34) of the sealing element for the line-groove joint according to any one of claims 1 to 5.
7. A bi-embracing waterproof connector according to claim 6, wherein: the lower connecting plate (22) is of a U-shaped structure, and the upper connecting plate (21) is of a flat plate or U-shaped structure.
8. A double embracing waterproof connector according to claim 6 or 7, wherein: and reinforcing ribs (24) are arranged on the upper connecting plate (21) and the lower connecting plate (22).
9. A bi-embracing waterproof connector according to claim 8, wherein: the two end parts of the lower connecting plate (22) are inclined towards the middle to form pressing parts (221).
10. A bi-embracing waterproof connector according to claim 9, wherein: the end of the first connecting piece (11) is inclined towards the second connecting piece (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021534319 | 2020-07-29 | ||
| CN202021534319X | 2020-07-29 |
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| Publication Number | Publication Date |
|---|---|
| CN212648610U true CN212648610U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021716394.8U Active CN212648610U (en) | 2020-07-29 | 2020-08-18 | Sealing element for line slot joint and double-holding pull waterproof connector |
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| CN (1) | CN212648610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113904284A (en) * | 2021-09-30 | 2022-01-07 | 镇江安华电气有限公司 | Waterproof sealing wire slot connector and quick assembly method thereof |
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2020
- 2020-08-18 CN CN202021716394.8U patent/CN212648610U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113904284A (en) * | 2021-09-30 | 2022-01-07 | 镇江安华电气有限公司 | Waterproof sealing wire slot connector and quick assembly method thereof |
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