CN220705536U - Normal pressure swing handle quick-open manhole door - Google Patents

Abstract

The utility model relates to the field of access doors, and particularly discloses a normal-pressure swing handle quick-open manhole door which comprises conventional equipment, a left side supporting plate and a right side supporting plate; the conventional equipment is provided with a through groove; a plurality of left side supporting plates and right side supporting plates are symmetrically and fixedly connected to two sides of the through groove; when opening the manhole, at first rotatory fastener keeps away from the jam plate, then grip the spacer pin and take out, rotatory stripper plate this moment, then rotatory jam plate, can expose the inside of conventional equipment through logical groove, make things convenient for personnel business turn over to overhaul the inside of conventional equipment, then when needs are sealed, at first rotatory jam plate is to Ji Tong groove, then rotatory stripper plate inserts between the right side backup pad, then insert the spacer pin and get into spacing downthehole, rotatory fastener extrusion jam plate and logical groove sealing connection accomplish sealedly this moment, it uses a large amount of bolts to fix to lead to opening and close all inconvenient inefficiency problems of operation to have solved current manhole.

Description

Normal pressure swing handle quick-open manhole door

Technical Field

The utility model relates to the field of access doors, in particular to a normal pressure swing handle quick-open manhole door.

Background

Manholes refer to open cell structures for personnel access to equipment for installation, maintenance and safety inspection. Mainly comprises a short tube section (or short tube), a flange and a manhole cover with a handle; manhole doors on common electromechanical equipment such as boiler equipment, coal mill equipment and separator equipment are of flat plate type, bolt-fixed structures and are vertically installed.

The Chinese patent with publication number of CN202418555U discloses a manhole door on 2012-09-05 days, and belongs to the field of tower and tank equipment maintenance, and the manhole door comprises a cover plate, a cylinder body and a rotating arm, wherein a supporting lug is arranged on one side of the cylinder body, a sleeve is fixed on the supporting lug, the lower part of the rotating arm is inserted into the sleeve to be in running fit with the sleeve, the upper part of the rotating arm is bent to one side of the cover plate to form an extension arm, and the end part of the extension arm is connected with the cover plate through a hanging piece. When the cover plate is opened, the cover plate is not required to be taken down by manpower, and can be flexibly opened and closed by the rotating arm and the hanging piece, so that one person can easily operate, and the manpower and the labor intensity are saved; the cover plate is connected with the rotating arm only through the hanging piece, so that the dismounting is more convenient.

However, the above-mentioned prior art scheme has the disadvantages that the manhole door is provided with more than ten bolts for high-strength sealing fixation, and the more than ten bolts are required to be disassembled and assembled during maintenance, so that the disassembly and assembly are inconvenient during maintenance, the maintenance labor intensity is increased, and especially, the maintenance work is performed on a plurality of devices at the same time.

Disclosure of Invention

The utility model aims to solve the technical problems that a manhole door is provided with more than ten bolts for high-strength sealing and fixing, and the more than ten bolts are required to be disassembled and assembled during maintenance, so that the disassembly and assembly are inconvenient during the maintenance, the maintenance labor intensity is increased, and especially the maintenance work of a plurality of devices is performed at the same time, and provides a normal-pressure swing handle quick-open manhole door.

In order to achieve the above object, the present utility model is realized by the following technical scheme;

the utility model relates to a normal pressure swing handle quick-open manhole door, which comprises conventional equipment, a left side supporting plate and a right side supporting plate; the conventional equipment is provided with a through groove; a plurality of left side supporting plates and right side supporting plates are symmetrically and fixedly connected to two sides of the through groove; a central shaft is rotationally inserted between the left side support plates; a plurality of reinforcing plates are sleeved on the central shaft; a blocking plate is fixedly connected to the reinforcing plate; the central shaft is fixedly connected with an extrusion plate; the extruding plate is provided with a hole and is in threaded connection with a fastener; limiting holes are formed in the right side supporting plate corresponding to the extrusion plates; and a limiting pin is inserted into the limiting hole.

Further, a handle is fixedly connected to the blocking plate.

Further, the blocking plate is fixedly connected with sealing filler corresponding to the through groove.

Further, the blocking plate is provided with a guide groove corresponding to the through groove.

Further, the front surface of the plugging plate is square.

The normal pressure swing handle quick-open manhole door provided by the utility model has the following beneficial effects:

1. when the manhole is opened, the fastening piece is firstly rotated to be far away from the blocking plate, then the limiting pin is held for taking out, at the moment, the blocking plate is rotated, the inside of conventional equipment can be exposed through the through groove, people can conveniently enter and exit the inside of the conventional equipment, then when sealing is needed, the blocking plate pair Ji Tong groove is firstly rotated, then the rotating pressing plate is inserted between the right side supporting plates, and then the limiting pin is inserted into the limiting hole, at the moment, the blocking plate is pressed by the fastening piece to be in sealing connection with the through groove for sealing, and the problem that the conventional manhole is inconvenient to open and close due to the fact that a large number of bolts are used for fixing is solved;

2. according to the utility model, the guide grooves are formed in the corresponding through grooves on the blocking plate, so that the blocking plate can be guided by the guide grooves to be aligned in the inserting process of the blocking plate even if the blocking plate is not completely aligned when the blocking plate is inserted into the through grooves, and the optimal alignment sealing effect can be achieved by matching with the sealing filler, so that the blocking plate can be pushed to complete sealing connection by rotating one fastener, the opening and the closing are more rapid and efficient, and the problem of low efficiency caused by the fact that a plurality of bolts are required to be disassembled when the existing manhole door is opened and closed is solved.

Drawings

The following describes the embodiments of the present utility model in further detail with reference to the drawings;

FIG. 1 is a schematic view of an assembled state structure of the present utility model;

FIG. 2 is a schematic diagram of a front view of the present utility model;

fig. 3 is a schematic view of a semi-sectional shaft side structure of the present utility model.

The reference numerals in the figures illustrate: 1. a conventional device; 2. a left side support plate; 3. a right side support plate; 4. a central shaft; 5. a reinforcing plate; 6. a blocking plate; 7. a through groove; 8. sealing filler; 9. a guide groove; 10. an extrusion plate; 11. a fastener; 12. a limiting pin; 13. a handle; 14. and a limiting hole.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following description of the technical solutions in the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up-down-left-right-front-rear … …) are merely used to explain the relative positional relationship between the components, motion, etc. in a specific posture (as shown in the drawings), if the specific posture is changed, the directional indicators correspondingly change, and the connection may be a direct connection or an indirect connection.

Referring to fig. 1-3, a normal pressure swing handle quick-open manhole door comprises a conventional device 1, a left support plate 2 and a right support plate 3; the conventional equipment 1 is provided with a through groove 7; a plurality of left side support plates 2 and right side support plates 3 are symmetrically and fixedly connected to the two sides of the through groove 7; a central shaft 4 is rotatably inserted between the left side support plates 2; a plurality of reinforcing plates 5 are sleeved on the central shaft 4; a blocking plate 6 is fixedly connected to the reinforcing plate 5; the central shaft 4 is fixedly connected with an extrusion plate 10; the extruding plate 10 is provided with a hole and is in threaded connection with a fastener 11; limiting holes 14 are formed in the right side supporting plate 3 corresponding to the extrusion plates 10; a limiting pin 12 is inserted into the limiting hole 14; during operation, when opening the manhole, at first rotatory fastener 11 is kept away from blanking plate 6, then grasp spacer pin 12 and take out, rotatory stripper plate 10 this moment, then rotatory blanking plate 6, can expose the inside of conventional equipment 1 through logical groove 7, make things convenient for personnel to go into and go out the inside of overhauling conventional equipment 1, then when needs are sealed, at first rotatory blanking plate 6 aligns logical groove 7, then rotatory stripper plate 10 inserts between the right side backup pad 3, then insert spacer pin 12 and get into spacing downthehole 14, rotatory fastener 11 extrudees blanking plate 6 and logical groove 7 sealing connection and accomplish sealedly this moment, the current manhole is fixed with a large amount of bolts that lead to opening and closing all inconvenient inefficiency of operation's problem has been solved.

A handle 13 is fixedly connected to the blocking plate 6; when the plug board 6 is in a free state during working, the plug board is convenient to hold and change the angle through the handle 13, the contact pressure with limbs is small, and the plug board is safer during use.

The blocking plate 6 is fixedly connected with a sealing filler 8 corresponding to the through groove 7; in operation, the gap between the blocking plate 6 and the through groove 7 is filled with the sealing filler 8, so that the blocking plate 6 and the through groove 7 can be kept sealed, and the blocking plate 6 can be in sealing connection with the through groove 7 under the condition of external force extrusion.

The blocking plate 6 is provided with a guide groove 9 corresponding to the through groove 7; during operation, through set up guide slot 9 on the jam plate 6 corresponding to logical groove 7 for jam plate 6 is when inserting logical inslot 7, even not completely align, also can be in the in-process of jam plate 6 male by guide slot 9 direction alignment, thereby cooperation sealing filler 8 can obtain the best sealed effect of lining up, make can promote the jam plate 6 through rotatory fastener 11 and accomplish sealing connection, make open with close all swiftly high-efficient more, it opens with close needs dismantlement a plurality of bolts to lead to inefficiency problem to have solved current manhole door.

The front surface of the blocking plate 6 is square; during operation, through the jam board 6 that openly is square for need not to consider the direction problem when equipment welded fastening, can both realize accurate fixed connection, and also conveniently carry out machining.

The conventional device 1 in the present application is only a schematic installation view, has no own function, only illustrates an installation position and an installation angle, and in fact, the conventional device 1 may be any device that needs to install a manhole door, which is not an innovative part of the present utility model, and is only the prior art.

By adopting the scheme, when the manhole is opened, firstly, the fastening piece 11 is rotated to be away from the blocking plate 6, then the limiting pin 12 is held to be taken out, at the moment, the pressing plate 10 is rotated, then the blocking plate 6 is rotated, the inside of the conventional equipment 1 can be exposed through the through groove 7, a person can conveniently enter and exit the inside of the conventional equipment 1, then when sealing is needed, firstly, the blocking plate 6 is rotated to be aligned with the through groove 7, then the pressing plate 10 is inserted between the right supporting plates 3, then the limiting pin 12 is inserted into the limiting hole 14, at the moment, the sealing connection between the blocking plate 6 and the through groove 7 is extruded by the fastening piece 11 to be sealed, and the problem that the conventional manhole is inconvenient to open and close due to the fact that a large number of bolts are used for fixing is solved; when the blocking plate 6 is in a free state through the handle 13, the blocking plate is convenient to hold and change the angle, the contact pressure with the limb is small, and the blocking plate is safer in use; the gap between the blocking plate 6 and the through groove 7 is filled by the sealing filler 8, so that the blocking plate 6 and the through groove 7 can be kept sealed, and the blocking plate 6 can be connected with the through groove 7 in a sealing way under the extrusion of external force; the guide grooves 9 are formed in the corresponding through grooves 7 on the blocking plate 6, so that when the blocking plate 6 is inserted into the through grooves 7, even if the blocking plate is not completely aligned, the blocking plate 6 can be guided by the guide grooves 9 to be aligned in the inserting process of the blocking plate 6, and the optimal alignment sealing effect can be achieved by matching with the sealing filler 8, so that the blocking plate 6 can be pushed to complete sealing connection by rotating one fastener 11, the opening and the closing are more rapid and efficient, and the problem that the efficiency is low due to the fact that a plurality of bolts are required to be disassembled when the existing manhole door is opened and closed is solved; through the blocking plate 6 with the square front surface, the accurate fixed connection can be realized without considering the direction problem during the assembly, welding and fixing, and the mechanical processing is also convenient.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (5)

1. A normal pressure swing handle quick-open manhole door, which is characterized in that; comprises a conventional device (1), a left side supporting plate (2) and a right side supporting plate (3); the conventional equipment (1) is provided with a through groove (7); a plurality of left side supporting plates (2) and right side supporting plates (3) are symmetrically and fixedly connected to the two sides of the through groove (7); a central shaft (4) is rotationally inserted between the left support plates (2); a plurality of reinforcing plates (5) are sleeved on the central shaft (4); a blocking plate (6) is fixedly connected to the reinforcing plate (5); the central shaft (4) is fixedly connected with an extrusion plate (10); the extruding plate (10) is provided with a hole and is in threaded connection with a fastener (11); limiting holes (14) are formed in the right side supporting plate (3) corresponding to the extrusion plates (10); and a limiting pin (12) is inserted into the limiting hole (14).

2. The atmospheric swing handle quick open manhole door of claim 1, wherein: a handle (13) is fixedly connected on the blocking plate (6).

3. The atmospheric swing handle quick open manhole door of claim 2, wherein: the blocking plate (6) is fixedly connected with a sealing filler (8) corresponding to the through groove (7).

4. A normal pressure swing handle quick open manhole door according to claim 3, wherein: the blocking plate (6) is provided with a guide groove (9) corresponding to the through groove (7).

5. The atmospheric swing handle quick open manhole door of claim 4, wherein: the front surface of the blocking plate (6) is square.