CN214883880U

CN214883880U - Waterproof access hole

Info

Publication number: CN214883880U
Application number: CN202121384082.6U
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 waterproof access hole, its technical scheme main points are: the utility model provides a waterproof access hole, includes outer box, can dismantle the interior box of being connected with outer box, the top of interior box is outwards turned over the book and is formed with the chimb inconsistent with the inner wall of outer box, the joint has the joint strip of contradicting with the bottom of chimb on the inner wall of outer box, is equipped with the chamfer on the chimb, joint strip is receiving the chimb conflict effect downwards and takes place deformation and imbed in the chamfer. The utility model discloses a waterproof access hole seals up through the gap between the top of joint strip to the top of outer box and the top of interior box, makes during the unable gap that gets into between outer box and the interior box of external water, and then ensures that 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 polysiloxane-perhydropolysilazane hybrid polymer simultaneously.

Description

Waterproof access hole

Technical Field

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

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 prevent that external water from getting into inside the inspection shaft through the gap between outer box and the interior box, can set up joint strip in the outer bottom of box or the interior bottom of outer box usually, weight through interior box produces better sealed effect to joint strip's squeezing action, thereby reach waterproof effect. However, this method still causes external water to flow into the gap between the side wall of the outer box and the side wall of the inner box, and when the inner box is taken out from the outer box, the water remained in the gap between the outer box and the inner box still flows into the manhole through the through hole, which may affect the environment in the manhole.

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 a waterproof access hole through the sealed effect between the top of strengthening the top of 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 to have rivers to the manhole 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 a waterproof access hole, includes outer box, can dismantle the interior box of being connected with outer box, the top of interior box is outwards turned over the book and is formed with the chimb inconsistent with the inner wall of outer box, the joint has the joint strip of contradicting with the bottom of chimb on the inner wall of outer box, be equipped with the chamfer on the chimb, joint strip is receiving the chimb to contradict the effect downwards and takes place deformation and imbed in the chamfer.

Through adopting above-mentioned technical scheme, place interior box in outer box, joint strip contradicts with the bottom of chimb this moment, thereby make the gap that forms between the inside wall of outer box and the chimb form the shutoff, box makes interior box be connected more firm with outer box in the fastening, and the box is to the decurrent effort increase of joint strip in this moment, make joint strip produce certain deformation and imbed in the chamfer, thereby strengthened the conflict effect between joint strip and the chimb, sealed effect has been ensured, make in the unable lateral wall that gets into between outer box and the interior box of external water, and then guarantee can not have water to get into the inspection shaft in this gap when taking out interior box, can not influence the use of relevant equipment in the inspection shaft.

The utility model discloses further set up to: the inner bottom of the outer box is provided with a plurality of grooves.

Through adopting above-mentioned technical scheme, when certain wearing and tearing appear and make the sealed effect variation in the joint strip after using for a long time, the external water of part gets into in the gap between outer box and the interior box, and this part rivers can not flow to the inspection shaft to the inner wall inflow recess along outer box when taking out interior box in, and the maintainer is convenient in time to change joint strip when discovering the water in the recess.

The utility model discloses further set up to: outer box includes a plurality of end to end and links to each other and carries out the outer section bar fixed through the welding, interior box includes separation blade, a plurality of end to end and the interior section bar of joint on the lateral wall of separation blade.

Through adopting above-mentioned technical scheme, cut into corresponding length with outer section bar and interior section bar according to the demand through corresponding cutting equipment, will outer section bar when the equipment is outer box links together and fixes through the welded mode head and the tail in proper order, when the box in the equipment, with interior section bar end to end's joint in proper order at the edge of separation blade, and fix adjacent two sets of interior section bars through the welded mode, through adjusting outer section bar, the size of interior section bar can be realized to outer box, the adjustment of the size specification of interior box, and the production is convenient.

The utility model discloses further set up to: the inner box further comprises fixing blocks arranged at the joints of the two adjacent groups of inner sections, and the fixing blocks are connected with the outer box through bolts.

By adopting the technical scheme, the fixing block is triangular prism-shaped, when the inner box is assembled, a group of inner section bars are attached to one right-angle side of the fixing block and are welded and fixed, and another group of inner section bars are attached to the other right-angle side of the fixing block and are fixed, so that the assembly is convenient and the effect is good.

The utility model discloses further set up to: and a plurality of reinforcing ribs are formed on the outer side wall of the outer section.

Through adopting above-mentioned technical scheme, can strengthen the structural strength of outer section bar under the effect of strengthening rib, and when passing through cement pouring with outer box subaerial, cement flows in between adjacent two sets of strengthening ribs, not only can increase the area of contact on outer box and ground, also can play certain joint effect, has further strengthened the fixed effect on outer box and ground.

The utility model discloses further set up to: the bottom of the outer section is provided with a plurality of through holes arranged along the length direction.

Through adopting above-mentioned technical scheme, can alleviate the weight of outer section bar under the effect that does not influence the structural strength of outer section bar, can not only save material cost, also more laborsaving when the transport simultaneously.

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 coatings.

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:

seal up through joint strip between the top of outer box and the top of interior box, 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 in this gap when taking out interior box, can not influence the use of relevant equipment in the manhole.

Drawings

FIG. 1 is a cross-sectional view for embodying a general structural design;

FIG. 2 is an enlarged view of portion A of FIG. 1, illustrating the connection between the bottom of the outer case and the bottom of the inner case;

fig. 3 is an enlarged view of a portion B of fig. 1 for illustrating a connection relationship between the top of the outer case and the top of the inner case.

In the figure: 1. a baffle plate; 2. a reinforcing mesh; 3. a bolt; 4. an outer box; 5. reinforcing ribs; 6. a fixed block; 7. a through hole; 8. a groove; 9. an inner case; 10. sealing rubber strips; 11. chamfering; 12. 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 opening, as shown in figure 1, comprises an outer box 4 and an inner box 9 connected with the outer box 4 through a bolt 3.

As shown in fig. 1 and 2, the outer box 4 comprises a plurality of outer sectional materials which are connected end to end and fixed by welding, the cross section of the outer sectional materials is integrally L-shaped, and the outer sectional materials are sequentially connected end to end and fixed by welding when the outer box 4 is assembled; the inner box 9 comprises a baffle plate 1 and a plurality of inner sections which are connected end to end and clamped on the side wall of the baffle plate 1, the cross section of each inner section is integrally L-shaped, when the inner box 9 is assembled, the inner sections are sequentially connected end to end and clamped on the edge of the baffle plate 1, and two adjacent groups of inner sections are fixed in a welding mode; the size of the outer section bar and the size of the inner section bar can be adjusted to adjust the size of the outer box 4 and the size of the inner box 9, and the production is convenient.

The inner box 9 further comprises fixing blocks 6 arranged at the joints of the two adjacent groups of inner sectional materials, the fixing blocks 6 are triangular prism-shaped, when the inner box 9 is assembled, one group of inner sectional materials are attached to one right-angle side of the fixing blocks 6 and are welded and fixed, another group of inner sectional materials are attached to the other right-angle side of the fixing blocks 6 and are fixed, the assembly is convenient, the effect is good, and meanwhile the fixing blocks 6 are in threaded connection with the bolts 3.

As shown in fig. 3, a sealing rubber strip 10 is clamped on the inner wall of the outer box 4 and near the top, the top of the inner box 9 is turned outwards to form a convex edge 12, the sealing rubber strip 10 is abutted against the bottom of the convex edge 12 when the inner box 9 is placed in the outer box 4, and a chamfer 11 is arranged at the edge of the convex edge 12 and near one side of the sealing rubber strip 10; be equipped with a plurality of recesses 8 at outer box 4's interior bottom, when certain wearing and tearing appear and make the sealed effect variation in joint strip 10 after using for a long time, the gap between partial external water entering outer box 4 and interior box 9, this part rivers flow in recess 8 to the inner wall along outer box 4 when taking out interior box 9, can not flow to the inspection shaft in, the convenience is in time changed joint strip 10 when discovering the water in recess 8 to the maintainer.

As shown in fig. 1 and 2, the plurality of reinforcing ribs 5 are formed on the outer side wall of the outer profile, the structural strength of the outer profile can be enhanced under the action of the reinforcing ribs 5, and when the outer box 4 is poured on the ground through cement, the cement flows into between two adjacent groups of reinforcing ribs 5, so that the contact area between the outer box 4 and the ground can be increased, a certain clamping effect can be achieved, and the fixing effect of the outer box 4 and the ground is further enhanced.

As shown in fig. 2, the bottom of the outer section is provided with a plurality of through holes 7 penetrating through the outer section, and the axial line of the through holes 7 is arranged along the length direction of the outer section, so that the weight of the outer section can be reduced under the effect of not influencing the structural strength of the outer section, the material cost can be saved, and the carrying is more labor-saving.

As shown in fig. 1, a mesh reinforcement 2 is fixedly connected to the inside of the inner casing 9, and cement is poured into the inner casing 9 for keeping the surface of the inner casing 9 flat, so that the tensile strength of the cement can be enhanced by the mesh reinforcement 2.

The surface coating of outer box 4, interior box 9 has the hydrophobic coating, contains polysiloxane-perhydropolysilazane hybrid polymer in the hydrophobic coating, has fine adhesive force between the hydrophobic coating and the surface of outer box 4, interior box 9, and has good hydrophobicity, can reduce the dwell time of water on the surface of outer box 4, interior box 9 to reduce the infiltration of water to the gap between outer box 4 and the interior box 9, further play waterproof effect.

After outer box 4 and interior box 9 have been assembled, place interior box 9 in outer box 4, joint strip 10 is inconsistent with the bottom of chimb 12 this moment, thereby make the gap that forms between the inside wall of outer box 4 and the chimb 12 form the shutoff, rotate bolt 3 and then strengthen the fixed effect between outer box 4 and the interior box 9, along with more inseparable of laminating between box 9 and the outer box 4 in the rotation of bolt 3, thereby box 9 increases the decurrent effort of joint strip 10 in making, joint strip 10 produces certain deformation and imbeds in the chamfer 11, thereby the conflict effect between joint strip 10 and the chimb 12 has been strengthened, sealed effect has been ensured, make in the unable lateral wall that gets into between outer box 4 and the interior box 9 of external water, and then guarantee when taking out interior box 9 in this gap not have water to get into the inspection shaft, 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 a waterproof access hole, includes outer box (4), can dismantle interior box (9) of being connected with outer box (4), its characterized in that: the top of interior box (9) is outwards turned over and is rolled over and is formed with chimb (12) inconsistent with the inner wall of outer box (4), the joint has joint strip (10) of contradicting with the bottom of chimb (12) on the inner wall of outer box (4), be equipped with chamfer (11) on chimb (12), joint strip (10) are receiving chimb (12) conflict effect downwards and take place deformation and imbed in chamfer (11).

2. A water resistant service port according to claim 1 wherein: the inner bottom of the outer box (4) is provided with a plurality of grooves (8).

3. A water resistant service port according to claim 1 wherein: outer box (4) include a plurality of head and the tail link to each other and carry out the outer section bar fixed through the welding, interior box (9) include separation blade (1), a plurality of head and the tail link to each other and the interior section bar of joint on the lateral wall of separation blade (1).

4. A water resistant service port according to claim 3 wherein: interior box (9) still including locating fixed block (6) of the junction of two sets of adjacent interior section bars, fixed block (6) are connected through bolt (3) with outer box (4).

5. A water resistant service port according to claim 3 wherein: and a plurality of reinforcing ribs (5) are formed on the outer side wall of the outer section.

6. A water resistant service port according to claim 3 wherein: the bottom of the outer section is provided with a plurality of through holes (7) arranged along the length direction.

7. A water resistant service port according to claim 1 wherein: the inside fixedly connected with reinforcing bar net (2) of interior box (9).

8. A water resistant service port according to claim 1 wherein: the surfaces of the outer box (4) and the inner box (9) are coated with hydrophobic coatings.