CN217295769U - Corrugated lining plate for manhole cover - Google Patents
Corrugated lining plate for manhole cover Download PDFInfo
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- CN217295769U CN217295769U CN202123323625.6U CN202123323625U CN217295769U CN 217295769 U CN217295769 U CN 217295769U CN 202123323625 U CN202123323625 U CN 202123323625U CN 217295769 U CN217295769 U CN 217295769U
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- manhole cover
- welt
- flange
- fixedly connected
- lower flange
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Abstract
The utility model discloses a manhole cover ripple welt relates to manhole cover technical field, including manhole cover and welt, the bottom fixedly connected with lower flange of manhole cover, welt fixed mounting is in the bottom of manhole cover, the edge fixedly connected with neck ring of welt, the neck ring is located the inside of lower flange, the outside fixedly connected with outward flange of neck ring bottom, be formed with the installation space between outward flange and the lower flange, the sealing ring is installed with the inside block in the installation space of outward flange to the lower flange. The utility model discloses a bottom at the manhole cover sets up the welt and protects effectively, simultaneously, forms the space between outward flange and the lower flange, installs the sealing ring in the space to behind the fastening connection welt, utilize the extrusion of outward flange and lower flange, closely fix the sealing ring, improve the leakproofness of manhole cover when using, and the fastness of sealing ring installation.
Description
Technical Field
The utility model relates to a manhole cover technical field, concretely relates to manhole cover ripple welt.
Background
The manhole is a manhole, and people can enter and exit a drainage channel, a boiler and a sewer pipe from the manhole, and also comprises a weak electric well used by telecommunication and cable television, an internal channel used for overhauling a large bridge, and the like.
The manhole is also a safety emergency ventilating device arranged on the top of the storage tank, and is usually matched with a fire preventer and a mechanical breather valve for use, so that the accident caused by the damage of the storage tank due to the sudden overpressure or vacuum in the tank caused by accident can be avoided, the safety fire retardant function is realized, the safety device for protecting the storage tank is provided, and the safety emergency ventilating device is particularly suitable for the vault normal-pressure tank which is used for storing materials and is capped by nitrogen. The device has the advantages of constant pressure discharge, constant pressure suction, flexible opening and closing, safe fire resistance, compact structure, good sealing performance, safety, reliability and the like.
The manhole cover is divided into A, B, C types according to its usage, the manhole cover of every type all has the position that other needs were used, includes body and the lid that matches each other in the manhole cover, and a lid side end is articulated with the body, disposes the fastener that the hasp body was used on the lid, and current manhole cover inner wall lacks the protection, receives the corruption easily, and sealed effect is not good, has certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a manhole cover ripple welt to solve the above-mentioned weak point among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a manhole cover ripple welt, includes manhole cover and welt, the bottom fixedly connected with lower flange of manhole cover, welt fixed mounting is in the bottom of manhole cover, the edge fixedly connected with neck ring of welt, the neck ring is located the inside of lower flange, the outside fixedly connected with outward flange of neck ring bottom, be formed with the installation space between outward flange and the lower flange, the sealing ring is installed with the inside block in the installation space of outward flange down, the outside of neck ring is located to the sealing ring cover.
Preferably, the inside of welt is provided with the mounting hole, the inside bolt that is provided with of mounting hole, the welt passes through the bolt and is connected with the manhole cover.
Preferably, the top wall of the outer flange and the bottom wall of the lower flange are fixedly connected with a plurality of layers of annular corrugated bulges.
Preferably, a plurality of radial corrugated bulges arranged in the radial direction are fixedly connected to the bottom wall of the lining plate.
Preferably, the lining plate is a circular plate member formed by splicing and combining a plurality of groups of sector plates.
Preferably, a clamping groove is formed in one side of each fan-shaped plate, a clamping block is fixedly connected to the other side of each fan-shaped plate, and the clamping blocks are clamped with the clamping grooves.
In the technical scheme, the utility model provides a technological effect and advantage:
1. the utility model discloses a set up the welt in the bottom of manhole cover, and then utilize the welt to protect effectively the inner wall of manhole cover, simultaneously, through set up neck ring and outward flange in the bottom of welt, make and form the space between outward flange and the lower flange, and then can install the sealing ring in the space, and after fastening connection welt, utilize the extrusion of outward flange and lower flange, closely fix the sealing ring, and then improve the leakproofness of manhole cover when using, and the fastness of sealing ring installation;
2. the utility model discloses a set up annular ripple arch at outer flange roof and the diapire of lower flange, and then utilize annular ripple arch to the extrusion of sealing ring, can avoid annular ripple arch to move outward, further improve the fastness fixed to the sealing ring, and through set up radial ripple arch at the diapire of welt, can improve the bulk strength of welt effectively;
3. the utility model discloses a and through setting up the welt into multiunit sector plate assembly, and then can be when a certain welt is impaired, change alone to it, avoid whole changes and the waste that causes, set up joint groove and joint piece simultaneously on every sector plate, with the mutual block of joint groove and joint piece during the equipment, can improve the fastness of welt equipment, further improve practicality and the convenience that the welt used.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 3 is a top view of the lining board of the present invention.
Fig. 4 is a bottom view of the lining board of the present invention.
Description of reference numerals:
1. a manhole cover; 11. a lower flange; 2. a liner plate; 21. an inner liner ring; 22. an outer flange; 23. mounting holes; 24. an annular corrugated projection; 25. radial corrugated protrusions; 26. a clamping groove; 27. a clamping block; 3. and (6) sealing rings.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a manhole cover ripple welt as shown in fig. 1-4, including manhole cover 1 and welt 2, the bottom fixedly connected with lower flange 11 of manhole cover 1, welt 2 fixed mounting is in the bottom of manhole cover 1, the edge fixedly connected with interior neck ring 21 of welt 2, interior neck ring 21 is located the inside of lower flange 11, the outside fixedly connected with outer flange 22 of neck ring 21 bottom, be formed with the installation space between outer flange 22 and the lower flange 11, the inside block in the installation space of lower flange 11 and outer flange 22 installs sealing ring 3, the outside of neck ring 21 is located to sealing ring 3 cover;
further, in the above technical solution, the inside of the lining plate 2 is provided with a mounting hole 23, a bolt is arranged inside the mounting hole 23, and the lining plate 2 is connected with the manhole cover 1 through the bolt, so that the lining plate 2 is conveniently and fixedly connected;
further, in the above technical solution, the top wall of the outer flange 22 and the bottom wall of the lower flange 11 are both fixedly connected with multiple layers of annular corrugated protrusions 24, so that the annular corrugated protrusions 24 are utilized to extrude the sealing ring 3, thereby preventing the annular corrugated protrusions 24 from moving outwards, and further improving the firmness of fixing the sealing ring 3;
furthermore, in the above technical solution, the bottom wall of the lining plate 2 is fixedly connected with a plurality of radial corrugated protrusions 25 arranged in the radial direction, so that the overall strength of the lining plate 2 can be effectively improved;
further, in the above technical solution, the lining plate 2 is a circular plate member formed by splicing and combining a plurality of sets of sector plates, and when one lining plate 2 is damaged, the lining plate 2 can be replaced independently, so that waste caused by complete replacement is avoided;
furthermore, in the above technical solution, one side of each of the sector plates is provided with a clamping groove 26, the other side of each of the sector plates is fixedly connected with a clamping block 27, the clamping block 27 and the clamping groove 26 are clamped with each other, and the clamping groove 26 and the clamping block 27 are clamped with each other during assembly, so that the assembly firmness of the lining plate 2 can be improved;
the implementation mode is specifically as follows: by arranging the lining plate 2 at the bottom of the manhole cover 1, the inner wall of the manhole cover 1 is effectively protected by the lining plate 2, and simultaneously, by arranging the inner lining ring 21 and the outer flange 22 at the bottom of the lining plate 2, a gap is formed between the outer flange 22 and the lower flange 11, so that the sealing ring 3 can be installed in the gap, and after the lining plate 2 is tightly connected, the sealing ring 3 is tightly fixed by the extrusion of the outer flange 22 and the lower flange 11, so that the sealing performance of the manhole cover in use and the mounting firmness of the sealing ring 3 are improved, and simultaneously, by arranging the annular corrugated bulges 24 at the top wall of the outer flange 22 and the bottom wall of the lower flange 11 and further extruding the sealing ring 3 by the annular corrugated bulges 24, the outward movement of the annular corrugated bulges 24 can be avoided, the fixing firmness of the sealing ring 3 is further improved, and by arranging the radial corrugated bulges 25 at the bottom wall of the lining plate 2, can improve the bulk strength of welt 2 effectively, and through setting up welt 2 into multiunit sector plate assembly, and then can be when certain welt 2 is impaired, change alone it, avoid whole changes and the waste that causes, set up joint groove 26 and joint piece 27 simultaneously on every sector plate, with joint groove 26 and the mutual block of joint piece 27 during the equipment, can improve the fastness of welt 2 equipment, further improve practicality and the convenience that the welt used.
Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. The utility model provides a manhole cover ripple welt, includes manhole cover (1) and welt (2), flange (11) under the bottom fixedly connected with of manhole cover (1), its characterized in that: welt (2) fixed mounting is in the bottom of manhole cover (1), the edge fixedly connected with interior neck ring (21) of welt (2), interior neck ring (21) are located the inside of flange (11) down, the outside fixedly connected with outward flange (22) of interior neck ring (21) bottom, be formed with the installation space between outward flange (22) and lower flange (11), sealing ring (3) are installed with the inside block in the installation space of outward flange (22) down to flange (11), the outside of neck ring (21) is located to sealing ring (3) cover.
2. A manhole cover corrugated liner as claimed in claim 1, wherein: the interior of welt (2) is provided with mounting hole (23), the inside bolt that is provided with of mounting hole (23), welt (2) are connected with manhole cover (1) through the bolt.
3. A manhole cover corrugated liner as claimed in claim 1, wherein: the top wall of the outer flange (22) and the bottom wall of the lower flange (11) are fixedly connected with a plurality of layers of annular corrugated bulges (24).
4. A manhole cover corrugated liner as claimed in claim 1, wherein: the bottom wall of the lining plate (2) is fixedly connected with a plurality of radial corrugated bulges (25) which are arranged in the radial direction.
5. A manhole cover corrugated liner as claimed in claim 1, wherein: the lining plate (2) is a circular plate member formed by splicing and combining a plurality of groups of sector plates.
6. The corrugated liner for manhole covers of claim 5, wherein: every joint groove (26) have been seted up to one of them side of sector plate, opposite side fixedly connected with joint piece (27), joint piece (27) and joint groove (26) block each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123323625.6U CN217295769U (en) | 2021-12-27 | 2021-12-27 | Corrugated lining plate for manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123323625.6U CN217295769U (en) | 2021-12-27 | 2021-12-27 | Corrugated lining plate for manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217295769U true CN217295769U (en) | 2022-08-26 |
Family
ID=82921019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123323625.6U Active CN217295769U (en) | 2021-12-27 | 2021-12-27 | Corrugated lining plate for manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217295769U (en) |
-
2021
- 2021-12-27 CN CN202123323625.6U patent/CN217295769U/en active Active
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