CN213027257U - Connection piece, sealing connector and waterproof wire casing - Google Patents

Abstract

The utility model relates to the technical field of waterproof wire grooves, and discloses a connecting piece, a sealing connector and a waterproof wire groove, wherein the connecting piece comprises a transverse piece and a lateral piece, one end of the transverse piece is vertically connected with one end of the lateral piece, the other end of the transverse piece is provided with at least one connecting part A, and the other end of the lateral piece is provided with at least one connecting part B; the transverse sheet and the side sheet are respectively provided with a sealing gasket A and a sealing gasket B on the inner wall, the connecting surface of the connecting part B is an inclined surface, the connecting device further comprises a matching piece, the matching piece is provided with a matching surface which is matched and connected with the connecting surface of the connecting part B, and the matching piece, the connecting part A and the connecting part B of the other connecting piece are connected through a connecting piece. The connecting surface of the connecting part B is an inclined surface, and when the connecting part is locked, the fitting piece can apply transverse and longitudinal forces to the connecting pieces, so that the two connecting pieces are connected more tightly, and the sealing performance of the sealing connector is enhanced.

Description

Connection piece, sealing connector and waterproof wire casing

Technical Field

The utility model relates to a waterproof wire casing technical field especially relates to a connection piece, sealing connector and waterproof wire casing.

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 ground pipeline grooves of the AFC system of the built subway 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 accumulates in AFC ground wire slots 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 AFC ground wire inslots can generate heat because the cable circular telegram and produce water vapor, 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 electrified can make the passenger electrocute, causes the direct incident of passenger for the first moment, and the second can cause the stream of people chaotic, causes even tramples the accident.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be: the connecting sheet, the sealing connector and the waterproof wire casing are good in sealing performance.

The technical scheme of the utility model is that: providing a connecting piece, wherein the connecting piece comprises a transverse piece and a lateral piece, one end of the transverse piece is vertically connected with the lateral piece, the other end of the transverse piece is provided with at least one connecting part A, and the other end of the lateral piece is provided with at least one connecting part B; the transverse sheet and the side sheet are respectively provided with a sealing gasket A and a sealing gasket B on the inner wall, the connecting surface of the connecting part B is an inclined surface, the connecting device further comprises a matching piece, the matching piece is provided with a matching surface which is matched and connected with the connecting surface of the connecting part B, and the matching piece, the connecting part A and the connecting part B of the other connecting piece are connected through a connecting piece. The connecting surface of the connecting part B is an inclined surface, and when the connecting part is locked, the fitting piece can apply transverse and longitudinal forces to the connecting pieces, so that the two connecting pieces are connected more tightly, and the sealing performance of the sealing connector is enhanced.

Further, the connecting part B is provided with a mounting hole C for the connecting piece to pass through, and in the process of mounting the connecting piece, the connecting part B can move transversely under the action of transverse force of the matching piece, and the mounting hole C is a through hole so that the connecting piece can transversely generate certain displacement at the position in order to prevent the position of the connecting piece from being stressed.

Furthermore, the connecting part A is of a U-shaped groove structure, one side groove wall of the connecting part A is connected with the transverse sheet, and mounting holes B which are matched and connected with the connecting piece are coaxially arranged on the two side groove walls.

Further, the tip of connecting portion B be provided with the stopper of connecting portion A's cell wall butt guarantees that the tightening degree that can all connecting portion A and connecting portion B is unanimous in the sealing connector installation, has further guaranteed holistic leakproofness, and easy to assemble.

Further, the fitting piece comprises a bottom plate, two opposite sides of the bottom plate are connected with side plates, the bottom plate is provided with mounting holes A for mounting the connecting pieces, the two side plates are provided with matching surfaces, and the matching surfaces are inclined surfaces abutted to the connecting surfaces.

Furthermore, the side plate of the matching piece is provided with a baffle for limiting the transverse movement of the connecting part B, so that the transverse movement of the two connecting pieces in the connecting process is prevented, the alignment of the two connecting pieces is ensured, and the sealing property of the sealing connector is further improved.

Furthermore, the end part of the side piece inclines towards one side of the side piece connected with the cross piece, the inclined part transversely presses the sealing gasket B laid on the inner wall of the side piece, the end part of the cross piece inclines towards one side of the side piece connected with the side piece, and the inclined part longitudinally presses the sealing gasket A laid on the inner wall of the side piece, so that certain pressing is carried out between the sealing gaskets at the connecting position of the two connecting pieces, no gap exists, and the sealing performance of the sealing connector is further improved.

Furthermore, the inner wall of the transverse sheet is provided with at least one reinforcing rib A, and the reinforcing rib A compresses and positions the sealing gasket laid on the inner wall of the transverse sheet, so that the sealing gasket is prevented from transversely sliding to influence the sealing performance of the sealing connector.

Furthermore, the inner wall of the side piece is provided with at least one reinforcing rib B, and the reinforcing rib B compresses and positions the sealing gasket laid on the inner wall of the side piece, so that the sealing gasket is prevented from longitudinally sliding to influence the sealing performance of the sealing connector.

Further, the horizontal piece with the junction outer wall of lateral plate is provided with at least one strengthening rib C, strengthening rib C extends to both sides, strengthens the intensity of horizontal piece and lateral plate junction, simultaneously, because strengthening rib C sets up at the outer wall for horizontal piece and ground become line contact by the face contact, have reduced the frictional force of ground to the horizontal piece, more easily remove when making lateral plate horizontal atress drive horizontal piece lateral shifting.

The sealing connector comprises two connecting sheets, wherein the connecting part A of one connecting sheet is connected with the connecting part B of the other connecting sheet through a connecting piece to form a sealing cavity.

The waterproof wire casing comprises at least two connected wire boxes, and the joints of the adjacent wire boxes are connected and sealed through the sealing connector.

Further, the wire box is one of a straight-through wire, a bent-through wire, a three-way wire and a four-way wire.

Compared with the prior art, the utility model the advantage lie in:

1. the utility model discloses a connecting portion B to the connection piece improves, and connecting portion B's the connection face adopts the inclined plane, has designed the fitting piece simultaneously, and connecting portion B uses with the fitting piece cooperation for the connection piece can transversely and vertically tighten up, in order to improve sealing connector's leakproofness.

2. The utility model discloses a connecting portion A to the connection piece improves, can guarantee that connecting piece locking in-process does not incline to guarantee the holistic leakproofness of sealing connector.

3. The utility model discloses connecting portion B has done spacing design, guarantees that the degree of tightening up that can all connecting portion A and connecting portion B is unanimous in the sealing connector installation, has further guaranteed holistic leakproofness, and easy to assemble.

4. The utility model discloses a sealing connector only need adopt two the same connection pieces to connect can, only need the die sinking once, practiced thrift the cost.

Drawings

Fig. 1 is a front view of the connecting sheet of the present invention.

Fig. 2 is a right side view of the connecting sheet of the present invention.

Fig. 3 is a bottom view of the connecting sheet of the present invention.

Fig. 4 is a schematic view of the installation of the connecting sheet and the sealing gasket of the present invention.

Fig. 5 is a perspective view of the connecting sheet and the sealing gasket according to the present invention.

Fig. 6 is a structural diagram of the fitting member of the present invention.

Fig. 7 is a perspective view of the fitting member of the present invention.

Fig. 8 is a structural view of the gasket of the present invention.

Fig. 9 is a front view of the sealed connector of the present invention.

Fig. 10 is a perspective view of the sealing connector of the present invention.

Fig. 11 is the installation schematic diagram of the sealed connector and the wire box of the present invention.

Fig. 12 is a perspective view of the sealing connector and the wire box according to the present invention.

Reference numerals:

the sealing connector 100, the transverse piece 1, the connecting part A11, the mounting hole B111, the groove wall 112, the reinforcing rib A12, the pressing part 13, the side piece 2, the connecting part B21, the connecting surface 211, the mounting hole C212, the limiting block 213, the reinforcing rib B22, the reinforcing rib C23, the guide plate 24, the gasket A31, the gasket B32, the connecting part 4, the fitting part 5, the bottom plate 51, the side plate 52, the mounting hole A511, the mating surface 521, the baffle 522 and the wire box 6.

Detailed Description

The installation of the waterproof trunking generally comprises the steps of fixing the wire boxes on the ground in a segmented manner, and then connecting the joints of the adjacent wire boxes by adopting the sealing connectors.

The utility model provides a waterproof wire casing, including two at least line boxes 6 that meet, it is adjacent the department of meeting of line box 6 connects sealedly through sealing connector 100.

Preferably, the wire box 6 is one of a straight-through, a bend-through, a tee and a four-way, as shown in fig. 11 and 12, and the application provides an example of connection of two bend-through.

The sealing connector 100 of the present application, as shown in fig. 9 and 10, includes two connecting sheets, two of the connecting sheets are assembled into the sealing connector 100 to connect and seal the junction of two adjacent wire boxes 6 of the waterproof trunking. Specifically, the connecting part A11 of one connecting sheet is connected with the connecting part B21 of the other connecting sheet through the connecting piece 4 to form a closed-loop sealed cavity for accommodating the junction of two adjacent wire boxes 6.

In order to improve the sealing performance of the sealing connector 100, the applicant has improved the connecting piece structure of the sealing connector 100 from the design idea of increasing the transverse and longitudinal tightening forces. Specifically, as shown in fig. 1-3, the connecting piece of the present invention comprises a cross piece 1 and a side piece 2, wherein one end of the cross piece 1 is vertically connected with one end of the side piece 2; preferably, the transverse piece 1 and the lateral piece 2 are of an integral structure, and particularly, can be of an L-shaped structure formed by bending a metal plate.

In order to realize connection with another connecting piece, the other end of the transverse piece 1 is provided with at least one connecting part A11, and the other end of the side piece 2 is provided with at least one connecting part B21; in order to secure the locking force, it is preferable that the end of the lateral piece 1 is provided with two connecting portions a11 symmetrically about the center line thereof, and the end of the lateral piece 2 is provided with two connecting portions B21 at positions corresponding to the two connecting portions a11, and the present application provides an example of providing two connecting portions a11 and two connecting portions B21.

In order to improve the sealability of the sealing connector 100, the structures of the connecting portion a11 and the connecting portion B21 are modified to increase the lateral and longitudinal tightening forces of the side panel 2 and the lateral panel 1. Specifically, as shown in fig. 1 to 3, the connecting portion B21 is a connecting plate or connecting block structure on which a mounting hole C212 is formed, the mounting hole C212 is used for the connecting member 4 to pass through, one end of the connecting plate or connecting block is connected to the side sheet 2, the other end of the connecting plate or connecting block is a free end, and the free end is inclined to a side far away from the side sheet 2, so that the connecting surface 211 of the connecting portion B21 is an inclined surface; the present application gives an example in which the connection portion B21 is a connection plate structure. Preferably, the connecting part B21 is formed integrally with the side sheet 2, and may be formed by bending two side portions of the side sheet 2 at an angle and at a height determined according to the compression amount of the gasket a31 and the gasket B32 and the height of the connecting part a 11.

In order to realize the transverse and longitudinal tightening of the connecting piece by the matching connecting part B21, the applicant designs a matching piece 5 matched and connected with the connecting part B21, as shown in figures 6 and 7, the matching piece 5 is provided with a matching surface 521 matched and connected with the connecting surface 211 of the connecting part B21, and the matching piece 5, the connecting part A11 and the connecting part B21 of the other connecting piece are connected through a connecting part 4. In particular, the connecting element 4 may be a bolt and a nut. Specifically, the mating member 5 includes a bottom plate 51, two opposite sides of the bottom plate 51 are connected to side plates 52, the bottom plate 51 is provided with a mounting hole a511 for mounting the connecting member 4, the two side plates 52 are provided with the mating surfaces 521, and the mating surfaces 521 are inclined surfaces abutting against the connecting surface 211. Preferably, the bottom plate 51 and the side plate 52 are formed by bending a sheet metal. The connecting surface 211 of the connecting portion B21 is an inclined surface, when the connecting member 4 is locked, the locking force of the connecting member 4 will generate a force perpendicular to the mating surface 521 to the mating member 5, and the force will generate an acting force to the connecting surface 211 of the connecting portion B21, so that the connecting portion B21 drives the side panel 2 to be tightened in the transverse direction and the longitudinal direction, thereby making the connection of the two connecting pieces tighter, and enhancing the sealing performance of the sealing connector 100.

In order to further improve the sealing performance of the sealing connector 100, as shown in fig. 4 and 5, a sealing gasket a31 and a sealing gasket B32 are respectively coated on the inner walls of the transverse sheet 1 and the side sheet 2; in order to ensure the sealing performance, it is preferable that the gasket a31 and the gasket B32 have an integral structure, i.e., an L-shaped structure, which is shown in fig. 8. When the two connecting pieces are connected and sealed, the end part of the sealing gasket A31 of one connecting piece abuts against the sealing gasket B32 of the other connecting piece to form a closed-loop sealing ring to seal the joint of the ports of two adjacent wire boxes 6.

Because the horizontal piece 1 and the lateral piece 2 of two connection pieces are in the process of tightening, can extrude sealed A31 and sealed B32 and make it produce plastic deformation, produce certain clearance between sealed and the connection piece, consequently be provided with the recess in a row on sealed A31 and sealed B32, the setting of this recess along L type profile direction, when the sealed pad is extruded and produces plastic deformation, the recess can eliminate because of the influence that plastic deformation produced, avoid producing the clearance between sealed and the connection piece, thereby improve sealed connector 100's leakproofness. Preferably, the gasket a31 and the gasket B32 are made of Ethylene Propylene Diene Monomer (EPDM), the gasket is required to have a waterproof rating of IP67, and the gasket should have a hardness such that the gasket does not excessively deform during the pressing process.

In order to prevent the transverse sheet 1 and the side sheet 2 of the upper two connecting sheets from generating relative displacement in the axial direction during the tightening process so as to influence the overall sealing performance of the sealing connector 100, a baffle 522 is arranged on one side of the two side plates 52 of the fitting piece 5, which is abutted to the connecting part B21, the two baffles 522 can limit the transverse movement of the connecting part B21, the alignment during the connection process of the two connecting sheets is ensured, and the sealing performance of the sealing connector 100 is further improved. Preferably, the baffle 522 is of unitary construction with the side panel 52.

Specifically, the connecting portion a11 is a U-shaped groove structure, one side groove wall 112 of the connecting portion is connected to the end of the cross piece 1, the other side groove wall 112 faces the side of the connecting side piece 2, and the two side groove walls 112 are coaxially provided with mounting holes B111 that are in fit connection with the connecting member 4, and are used for mounting the connecting member 4.

Preferably, the mounting hole B111 is a circular hole matched with the connecting member so that the connecting member 4 cannot be displaced laterally when the connecting member 4 is displaced laterally with the mating member 5, in order to prevent the connecting member 4 from being inclined.

The connecting portion B21 is provided with a mounting hole C212 for the connecting member 4 to pass through, since the connecting portion B21 is laterally displaced by the lateral force of the mating member 5 during the process of mounting the connecting member 4, in this case, in order to prevent the connecting member 4 from being forced, the mounting hole C212 is preferably a through hole, so that the connecting member 4 can be laterally displaced at the position. Meanwhile, in order to enhance the strength of the connecting part B21, a reinforcing rib is arranged on the connecting part B21.

The end of the connecting portion B21 may be provided with a stopper 213 that abuts against the groove wall 112 of the connecting portion a11, and specifically, the end of the connecting portion B21 may be bent at an angle to form the stopper 213, and the bent angle may be such that the stopper 213 is parallel to the groove wall 112 of the connecting portion a 11. In the process of screwing the connecting piece 4, the limiting block 213 can stop screwing when being abutted against the groove wall 112 of the connecting part A11, the tightening degree of all the connecting parts A11 and the connecting parts B21 is ensured to be consistent, the installation is convenient, the sealing gasket is not excessively extruded to further cause the damage of the sealing gasket, and the whole sealing performance is further ensured. The height of the stopper 213 is determined according to the compression amount of the packing a31 and the packing B32.

Preferably, the end of the side piece 2 is inclined towards the side connected with the cross piece 1 to form a pressing part 13, and the inclined angle is preferably 45 degrees; the end part of the transverse piece 1 is inclined towards one side of the connecting side piece 2 to form a guide plate 24, and the inclined angle is preferably 45 degrees; the pressing part 13 transversely presses the gasket B32 laid on the inner wall of the pressing part, and the guide plate 24 longitudinally presses the gasket A31 laid on the inner wall of the pressing part, so that certain pressing is formed between the gasket A31 and the gasket B32 at the joint of the two connecting pieces, no gap exists, and the sealing performance of the sealing connector 100 is further improved.

Preferably, at least one reinforcing rib A12 is arranged on the inner wall of the transverse plate 1 in parallel, and the scheme of arranging two reinforcing ribs A12 is provided. Preferably, the direction of the rib a12 is arranged along the transverse direction of the transverse plate 1 and is arranged on the inner wall of the transverse plate 1 where the gasket a31 is laid, and the rib a12 compresses and positions the gasket laid on the inner wall of the transverse plate 1 to avoid the transverse sliding of the gasket to influence the sealing performance of the sealing connector 100.

Preferably, the inner wall of the side piece 2 is provided with at least one reinforcing rib B22, and the application provides a scheme of providing two reinforcing ribs B22. Preferably, the direction of the reinforcing rib B22 is arranged along the longitudinal direction of the side sheet 2 and on the inner wall of the side sheet 2 where the sealing gasket B32 is laid, and the reinforcing rib B22 compresses and positions the sealing gasket laid on the inner wall of the side sheet 2 to prevent the sealing gasket from longitudinally sliding to affect the sealing performance of the sealing connector 100.

Preferably, the outer wall of the junction between the transverse piece 1 and the side piece 2 is provided with at least one reinforcing rib C23, and the application provides a scheme of providing two reinforcing ribs C23. The reinforcing rib C23 extends to both sides to the entire length between the connecting portion a11 and the connecting portion B21, and reinforces the strength of the connection between the lateral sheet 1 and the side sheet 2. Simultaneously, because strengthening rib C23 sets up at the outer wall for horizontal piece 1 becomes line contact by the face contact with ground, has reduced the frictional force of ground to horizontal piece 1, and it is easier to remove when making lateral plate 2 transversely receive the force and driving horizontal piece 1 lateral shifting, and lateral plate 2's transversely tightens up in the two connection piece installation of being convenient for.

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 connecting piece comprises a transverse piece (1) and a lateral piece (2) which are vertically connected at one end, wherein at least one connecting part A (11) is arranged at the other end of the transverse piece (1), and at least one connecting part B (21) is arranged at the other end of the lateral piece (2); horizontal piece (1) and lateral piece (2) inner wall have laid sealed pad A (31) and sealed pad B (32) respectively, its characterized in that: the connecting surface (211) of the connecting part B (21) is an inclined surface, the connecting device further comprises a matching piece (5), a matching surface (521) which is matched and connected with the connecting surface (211) of the connecting part B (21) is arranged on the matching piece (5), and the matching piece (5), the connecting part A (11) and the connecting part B (21) of the other connecting piece are connected through a connecting piece (4).

2. A web according to claim 1, wherein: the connecting part B (21) is provided with a mounting hole C (212) for the connecting piece (4) to pass through, and the mounting hole C (212) is a through hole.

3. A web according to claim 2, wherein: the connecting part A (11) is of a U-shaped groove structure, one side groove wall (112) of the connecting part A is connected with the transverse sheet (1), and mounting holes B (111) which are matched and connected with the connecting piece (4) are coaxially arranged on the two side groove walls (112).

4. A web according to claim 3, wherein: the end part of the connecting part B (21) is provided with a limiting block (213) which is abutted against the groove wall (112) of the connecting part A (11).

5. A web according to any of claims 1 to 4, wherein: the fitting piece (5) comprises a bottom plate (51), two opposite sides of the bottom plate (51) are connected with side plates (52), the bottom plate (51) is provided with a mounting hole A (511) for mounting the connecting piece (4), the two side plates (52) are provided with matching surfaces (521), and the matching surfaces (521) are inclined surfaces abutted to the connecting surfaces (211).

6. A web according to claim 5, wherein: and a baffle plate (522) for limiting the transverse movement of the connecting part B (21) is arranged on a side plate (52) of the fitting part (5).

7. The web of claim 6, wherein: the end part of the side piece (2) inclines to one side of the cross piece (1) connected with the side piece, and the end part of the cross piece (1) inclines to one side of the cross piece connected with the side piece (2).

8. The web of claim 7, wherein: the inner wall of the transverse piece (1) is provided with at least one reinforcing rib A (12), the inner wall of the lateral piece (2) is provided with at least one reinforcing rib B (22), and the outer wall of the joint of the transverse piece (1) and the lateral piece (2) is provided with at least one reinforcing rib C (23).

9. A sealed connector, characterized by: comprising two connecting sheets according to any one of claims 1 to 8, wherein the connecting part A (11) of one connecting sheet is connected with the connecting part B (21) of the other connecting sheet through a connecting piece (4) to form a sealed cavity.

10. The utility model provides a waterproof wire casing, includes line box (6) that two at least meet, its characterized in that: the junction of adjacent wire boxes (6) is sealed by the sealing connector (100) of claim 9, and the wire boxes (6) are one of straight-through, bend-through, tee-joint and four-way.

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