CN214883871U

CN214883871U - Access hole with waterproof function

Info

Publication number: CN214883871U
Application number: CN202121386382.8U
Authority: CN
Inventors: 孟珺
Original assignee: Zhejiang Tema Metal Products Co ltd
Current assignee: Zhejiang Tema Metal Products Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-11-26
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a maintenance mouth with waterproof function, its technical scheme main points are: the utility model provides an access hole with waterproof function, includes outer box, interior box, is formed with the gap between the inside wall of outer box and the lateral wall of interior box, fixedly connected with and the inconsistent arch of the lateral wall of outer box on the inside wall of outer box, the top of outer box is outwards turned over and is formed with the chimb that offsets with the inside wall of outer box, is formed with the opening that enlarges gradually to being close to bellied direction between the inside wall of chimb and outer box. The utility model discloses an access hole with waterproof function, at chimb and outer box's inside wall, under the separation effect of the protruding double laminating of lateral wall to water with interior box, the leakproofness between the top of outer box and the top of interior box has been strengthened, and then guarantee can not have water to get into the manhole in this gap when taking out interior box, can not influence the use of relevant equipment in the manhole, can further play waterproof effect under the effect of the hydrophobic coating that contains fluorinated silane simultaneously.

Description

Access hole with waterproof function

Technical Field

The utility model relates to a construction equipment field, more specifically say, it relates to an access hole with waterproof function.

Background

Utility tunnel is built in the city underground for concentrate on laying the public tunnel of municipal pipeline such as electric power, communication, radio and television, feedwater, can build corresponding Utility tunnel in some large-scale complexes such as school, hospital, market, airport equally, just can salvage, maintain, dilatation transformation etc. all kinds of pipelines when the pipeline goes wrong in the piping lane, reduced the pipeline time of salvageing simultaneously greatly.

The access shaft is arranged in the area where non-heavy vehicles such as sidewalks, rooms and the like pass through and is used for entering a pipe gallery, the access hole is a device which is arranged on the ground and used for plugging the access shaft, the access hole is opened when the access shaft needs to enter, the access hole not only plays a role in preventing personnel from falling into the access shaft, but also plays a role in dust prevention and water prevention, and further plays a role in protecting facilities in the access shaft.

Current access hole device includes usually and passes through the outer box that the cement pouring formed with ground, be equipped with the through-hole that is used for getting into the inspection shaft on the outer box, still include with outer box for can dismantling the connection and to the interior box of through-hole formation shutoff, in order to conveniently take out interior box from outer box when needs get into the inspection shaft, be formed with certain clearance between the inner wall of outer box usually and the outer wall of outer box, thereby avoid outer box and interior box card to die, but when subaerial when having water, this kind of design can lead to subaerial water to get into in the gap between outer box and the interior box, water can flow in the inspection shaft when taking out interior box, can influence the environment in the inspection shaft.

A new solution is therefore proposed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an access hole with waterproof function through the sealed effect between the top of strengthening outer box and the top of interior box, guarantees that external water can not flow to the gap between outer box and the interior box to guarantee can not have rivers to the inspection shaft when taking out interior box.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an access hole with waterproof function, includes outer box, passes through bolted connection's interior box with outer box, be formed with the gap between the inside wall of outer box and the lateral wall of interior box, fixedly connected with and the inconsistent arch of the lateral wall of outer box on the inside wall of outer box, the top of outer box is outwards turned over and is formed with the chimb that offsets with the inside wall of outer box, be formed with the opening that enlarges gradually to being close to bellied direction between the inside wall of chimb and outer box.

By adopting the technical scheme, the side wall of the bulge is always attached to the outer side wall of the inner box, and the area of the side wall of the bulge is smaller than that of the inner side wall of the outer box, so that the outer box and the inner box cannot be clamped after the inner box is completely placed in the outer box; make the convex edge less with the area of contact of outer box's inside wall through open-ended setting, place the in-process at outer box with interior box, air in the space that forms between arch and the convex edge is arranged to the external world under the open-ended guide, thereby make and form certain negative pressure in the space between arch and the convex edge, laminating effect between the inside wall of convex edge and outer box has been strengthened, and inside wall at convex edge and outer box, protruding and the dual laminating of the lateral wall of interior box are under the separation effect to water, leakproofness between the top of outer box and the top of interior box has been strengthened, make during the unable gap that gets into between outer box and the interior box of external water, and then guarantee can not have water to get into the manhole when taking out interior box in this gap, can not influence the use of relevant equipment in the manhole.

The utility model discloses further set up to: and a sealing rubber strip which is abutted against the inner box is clamped at the inner bottom of the outer box.

Through adopting above-mentioned technical scheme, can further strengthen the sealed effect between outer box and the interior box through joint strip, can further prevent that water from getting into in the manhole.

The utility model discloses further set up to: the inner bottom of the outer box is provided with a clamping groove clamped with the sealing rubber strip.

Through adopting above-mentioned technical scheme, when joint strip appeared ageing, wearing and tearing scheduling problem and influence sealed effect after long-time the use, take joint strip out from the draw-in groove and change again on new joint strip can, easy to assemble.

The utility model discloses further set up to: and the sealing rubber strip protrudes out of the clamping groove when the bottom of the convex edge is abutted against the top of the bulge.

Through adopting above-mentioned technical scheme, when the fastening effect of box and outer box was inconsistent with bellied top to the bottom of chimb in constantly strengthening through rotating the bolt, joint strip still protrudes the draw-in groove and is inconsistent with interior box, and is sealed effectual.

The utility model discloses further set up to: the cross-sectional area of the clamping groove is larger than that of the sealing rubber strip.

By adopting the technical scheme, the cross-sectional area of the clamping groove is larger than that of the sealing rubber strip, so that a certain vacant containing cavity is formed in the clamping groove, water can flow into the clamping groove for storage after entering the gap, and direct flow to a maintenance well is avoided.

The utility model discloses further set up to: the inside fixedly connected with reinforcing bar net of interior box.

Through adopting above-mentioned technical scheme, can strengthen the tensile resistance of cement under the effect of reinforcing bar net when pouring cement in to the box.

The utility model discloses further set up to: the surfaces of the outer box and the inner box are coated with hydrophobic layers.

By adopting the technical scheme, the retention time of water on the surfaces of the outer box and the inner box can be reduced under the action of the hydrophobic coating, so that the immersion of the water into a gap between the outer box and the inner box is reduced, and the waterproof effect is further achieved.

To sum up, the utility model discloses following beneficial effect has:

under the barrier action of the lateral wall of the inside wall of chimb and outer box, arch and interior box to water, the leakproofness between the top of outer box and the top of interior box has been strengthened, and then guarantee can not have water to get into the manhole in this gap when taking out interior box, can not influence the use of relevant equipment in the manhole.

Drawings

Fig. 1 is a schematic structural diagram of the present invention for embodying the overall structural design;

FIG. 2 is a top view of the present invention for showing the overall structure design;

FIG. 3 is a cross-sectional view of the present invention showing the connection between the outer case and the inner case;

FIG. 4 is an enlarged view of portion A in FIG. 3, for showing the structural design of the clamping groove and the sealing rubber strip;

fig. 5 is an enlarged view of a portion B of fig. 3 for illustrating a connection relationship between the top of the outer case and the top of the inner case.

In the figure: 1. an outer box; 2. an inner case; 3. a reinforcing mesh; 4. a card slot; 5. sealing rubber strips; 6. a gap; 7. a protrusion; 8. an opening; 9. a convex edge.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A waterproof access hole comprises an outer box 1 and an inner box 2 connected with the outer box 1 through bolts, wherein a reinforcing mesh 3 is fixedly connected to the inner part of the inner box 2, and when cement is poured into the inner box 2 to enable the surface of the inner box 2 to be level normally, the tensile property of the cement can be enhanced under the action of the reinforcing mesh 3, as shown in figures 1 and 2.

As shown in fig. 3 and 4, a gap 6 is formed between the inner side wall of the outer box 1 and the outer side wall of the inner box 2, so that the outer box 1 and the inner box 2 are not locked after the inner box 2 is completely placed in the outer box 1; as shown in fig. 5, the top of the inner box 2 is turned outwards to form a flange 9, the side wall of the flange 9 is abutted against the inner side wall of the outer box 1, the inner side wall of the outer box 1 is fixedly connected with a bulge 7 which is lower than the convex edge 9, and the side wall of the bulge 7 is abutted against the outer side wall of the inner box 2, so that a certain space is formed between the convex edge 9 and the bulge 7, since the contact area of the convex edge 9 and the outer box 1 and the contact area of the protrusion 7 and the inner box 2 are much smaller than the side area of the outer box 1 or the side area of the inner box 2, when the convex edge 9 is contacted with the outer box 1 and the protrusion 7 is contacted with the inner box 2, the outer box 1 and the inner box 2 will not be locked, and under the separation effect of chimb 9 and the inside wall of outer box 1, arch 7 and the lateral wall of interior box 2 to water, strengthened the leakproofness between the top of outer box 1 and the top of interior box 2, make external water can't get into in the gap 6 between outer box 1 and the interior box 2.

As shown in fig. 5, the chamfer is arranged on the flange 9 to form an opening 8 between the flange 9 and the inner side wall of the outer box 1, which is gradually enlarged toward the direction close to the protrusion 7, and when the inner box 2 is placed on the outer box 1, air in the space formed between the protrusion 7 and the flange 9 is guided by the opening 8 and discharged to the outside, so that a certain negative pressure is formed in the space between the protrusion 7 and the flange 9, and the attaching effect between the flange 9 and the inner side wall of the outer box 1 is enhanced.

As shown in fig. 4, the interior bottom of outer box 1 is equipped with draw-in groove 4, the joint has the joint strip 5 that protrudes draw-in groove 4 all the time to set up in draw-in groove 4, place box 2 back in outer box 1 in with, interior box 2 is inconsistent with joint strip 5 all the time, further strengthened the sealed effect between outer box 1 and the interior box 2, and appear ageing, when wearing and tearing scheduling problem and influence sealed effect when joint strip 5 uses for a long time, conveniently change.

As shown in fig. 4, the cross-sectional area of the clamping groove 4 is larger than that of the sealing rubber strip 5, so that a certain vacant containing cavity exists in the clamping groove 4, when water enters the gap 6, the sealing rubber strip 5 can play a role in blocking, and the water can also flow into the clamping groove 4 to be stored, so that the water is prevented from directly flowing into the service well.

The surfaces of the outer box 1 and the inner box 2 are coated with hydrophobic layers, the hydrophobic layers contain fluorinated silane, and the retention time of water on the surfaces of the outer box 1 and the inner box 2 can be reduced under the action of the hydrophobic coatings, so that the immersion of water into a gap 6 between the outer box 1 and the inner box 2 is reduced, and a waterproof effect is further achieved.

Place interior box 2 inside outer box 1, and fix through the bolt, the in-process that fixes is carried out to interior box 2 and outer box 1 to rotating the bolt, chimb 9 and outer box 1's inside wall, the effect of dual separation has been played to water to the laminating of the lateral wall of arch 7 and interior box 2, if further rotate the bolt and make the bottom of chimb 9 laminate with bellied 7's top mutually, then when not influencing interior box 2 and take out from outer box 1, further strengthened the separation effect to water through increasing the area of contact between outer box 1 and the interior box 2, the leakproofness between the top of outer box 1 and the top of interior box 2 has been strengthened, make external water can't get into in the gap 6 between outer box 1 and the interior box 2, and then guarantee that there is not water to get into in the inspection shaft in this gap 6 when taking out interior box 2, can not influence the use of relevant equipment in the inspection shaft.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an access hole with waterproof function, includes outer box (1), passes through bolted connection's interior box (2) with outer box (1), be formed with gap (6), its characterized in that between the lateral wall of the inside wall of outer box (1) and interior box (2): fixedly connected with and the inconsistent arch (7) of the lateral wall of outer box (1) on the inside wall of outer box (1), the top of outer box (1) is to turning over the lid and is formed with chimb (9) inconsistent with the inside wall of outer box (1), be formed with opening (8) that the direction that is close to arch (7) enlarges gradually between chimb (9) and the inside wall of outer box (1).

2. The service port having a waterproof function according to claim 1, characterized in that: and a sealing rubber strip (5) which is abutted against the inner box (2) is clamped at the inner bottom of the outer box (1).

3. The service port having a waterproof function according to claim 2, characterized in that: the inner bottom of the outer box (1) is provided with a clamping groove (4) clamped with the sealing rubber strip (5).

4. The service port having a waterproof function according to claim 3, characterized in that: and when the bottom of the convex edge (9) is inconsistent with the top of the bulge (7), the sealing rubber strip (5) protrudes out of the clamping groove (4).

5. The service port having a waterproof function according to claim 3, characterized in that: the cross sectional area of the clamping groove (4) is larger than that of the sealing rubber strip (5).

6. The service port having a waterproof function according to claim 1, characterized in that: the inside fixedly connected with reinforcing bar net (3) of interior box (2).

7. The service port having a waterproof function according to claim 1, characterized in that: the surfaces of the outer box (1) and the inner box (2) are coated with hydrophobic layers.