CN210162569U

CN210162569U - External pressure manhole cover of powder tanker

Info

Publication number: CN210162569U
Application number: CN201920865995.6U
Authority: CN
Inventors: 李家龙
Original assignee: Chuzhou City Gold Way Control Machinery Co Ltd
Current assignee: Chuzhou City Gold Way Control Machinery Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-20
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a powder tank car external pressure manhole cover, including manhole cover, support and clamp plate, the lateral wall cover of manhole cover is equipped with the manhole, install the support between manhole cover and the manhole, the latch fitting is installed at the top of manhole cover, the position that the top of manhole corresponds the latch fitting installs the hasp with latch fitting looks adaptation, the briquetting is installed at the top of manhole cover, the pivot is installed at the top of briquetting, the lateral wall cover of pivot is equipped with the handle. The utility model discloses a sealing member between manhole cover and the manhole can be with the clearance seal between manhole and the manhole cover, and the lateral wall sets up the screwed sealing member and can be with the powder separation layer upon layer, and when opening the manhole cover, admits air through the screw thread on the sealing member between manhole cover and the manhole, eliminates the inside and outside negative pressure of manhole cover, prevents that the powder from spilling over, causes the waste, and the polluted environment is comparatively practical, is fit for extensively promoting and using.

Description

External pressure manhole cover of powder tanker

Technical Field

The utility model relates to a manhole cover technical field specifically is a powder tank car external pressure manhole cover.

Background

The manhole is a perforated structure used for people to pass in and out equipment so as to be convenient to install, overhaul and safely check, and mainly comprises a short cylinder section, a flange and a manhole cover with a handle, wherein the manhole cover is a general name of a cover plate and fixed accessories thereof, which are arranged on the manhole and have sealing performance, and negative pressure is easily formed between the manhole cover and the manhole when the existing powder tanker is externally pressed, so that powder is easily overflowed when the manhole cover is opened, surrounding air is polluted, and hidden dangers are brought to the life and property safety of operators. Therefore, we propose a powder tanker external pressure manhole cover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder tank car external pressure manhole cover has solved and has proposed easily to form the negative pressure between current powder tank car external pressure manhole cover and the manhole in the background art, easily causes the powder to spill over when the manhole cover is opened, pollutes the air on every side, brings the problem of hidden danger for operating personnel's the security of the lives and property.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a powder tank car external pressure manhole cover, includes manhole cover, support and clamp plate, the lateral wall cover of manhole cover is equipped with the manhole, install the support between manhole cover and the manhole, the latch fitting is installed at the top of manhole cover, the position that the top of manhole corresponds the latch fitting installs the hasp with latch fitting looks adaptation, the briquetting is installed at the top of manhole cover, the pivot is installed at the top of briquetting, the lateral wall cover of pivot is equipped with the handle, the figure that articulated seat and articulated seat were installed at the top of manhole is three groups, the top of articulated seat articulates the one end that has the clamp plate.

As an optimal implementation manner of the utility model, the through-hole has been seted up to the other end of clamp plate, the gag lever post is installed to the position that the briquetting corresponds the clamp plate, the gag lever post is pegged graft in the inner chamber of through-hole.

As a preferred embodiment of the utility model, the lateral wall cover of manhole cover is equipped with the sealing member, the lateral wall of sealing member is provided with the screw thread.

As a preferred embodiment of the present invention, the bottom of the manhole cover is provided with a partition plate.

As a preferred embodiment of the present invention, the partition board is a hollow partition board.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a powder tank car external pressure manhole cover through the sealing member between manhole cover and the manhole, can be sealed with the clearance between manhole and the manhole cover, and the lateral wall sets up the screwed sealing member and can be with the powder separation layer upon layer, and when opening the manhole cover, admits air through the screw thread on the sealing member between manhole cover and the manhole, eliminates the inside and outside negative pressure of manhole cover, prevents that the powder from spilling over, causes extravagantly, polluted environment.

2. The utility model discloses a powder tank car external pressure manhole cover, through the baffle of manhole cover bottom, open the in-process at the manhole cover, can lead to the powder to adsorb on the bottom baffle of manhole cover because of the inside and outside negative pressure of manhole cover, after the negative pressure disappears, utilize the fretwork baffle with manhole cover inner chamber intercommunication can be so that adsorb the powder free fall in manhole cover bottom, effectively reduce the phenomenon that the powder adheres, avoid extravagant.

3. The utility model discloses a powder tank car external pressure manhole cover through the through-hole on the clamp plate, utilizes handle and pivot to peg graft the gag lever post in the inner chamber of through-hole, is connected stably between clamp plate and the briquetting, carries on spacingly to the manhole cover, prevents that the manhole cover from producing the displacement, strengthens the seal between manhole cover and manhole.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of the external pressure manhole cover of the powder tanker;

FIG. 2 is a schematic view of the internal structure of the manhole cover externally pressed by the powder tanker;

fig. 3 is a schematic diagram of a pressing block structure of the external pressure manhole cover of the powder tanker.

In the figure: 1. a manhole; 2. a manhole cover; 3. a lock; 4. locking; 5. a support; 6. pressing a plate; 7. a hinged seat; 8. a rotating shaft; 9. a handle; 10. briquetting; 11. positioning blocks; 12. a partition plate; 13. a seal member; 14. a through hole; 15. a limiting rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a powder tank car external pressure manhole cover, includes manhole cover 2, support 5 and clamp plate 6, the lateral wall cover of manhole cover 2 is equipped with manhole 1, install support 5 between manhole cover 2 and the manhole 1, latch fitting 3 is installed at manhole cover 2's top, the hasp 4 with 3 looks adaptations of latch fitting is installed to the position that manhole 1's top corresponds latch fitting 3, briquetting 10 is installed at manhole cover 2's top, pivot 8 is installed at briquetting 10's top, 8's lateral wall cover is equipped with handle 9, the figure of articulated seat 7 and articulated seat 7 is three groups is installed at manhole 1's top, the top of articulated seat 7 articulates the one end that has clamp plate 6.

The other end of the pressing plate 6 is provided with a through hole 14, the pressing block 10 is provided with a limiting rod 15 corresponding to the pressing plate 6, and the limiting rod 15 is inserted into an inner cavity of the through hole 14.

In this embodiment (see fig. 3), the limiting rod 15 is inserted into the inner cavity of the through hole 14 through the through hole 14 of the pressing plate 6 by using the handle 9 and the rotating shaft 8, the connection between the pressing plate 6 and the pressing block 10 is stable, the manhole cover 2 is limited, the displacement of the manhole cover 2 is prevented, and the sealing performance between the manhole cover 2 and the manhole 1 is enhanced.

The outer side wall of the manhole cover 2 is sleeved with a sealing element 11, and the outer side wall of the sealing element 11 is provided with threads.

In this embodiment (see fig. 2), the gap between the manhole 1 and the manhole cover 2 can be sealed by the sealing member 13 between the manhole cover 2 and the manhole, the sealing member 13 with the thread on the outer side wall can block the powder layer by layer, and when the manhole cover 2 is opened, air is admitted between the manhole cover 2 and the manhole 1 through the thread on the sealing member 13, so that negative pressure inside and outside the manhole cover 2 is eliminated, and powder overflow, waste and environmental pollution are prevented.

Wherein, the bottom of the manhole cover 2 is provided with a clapboard 12.

In this embodiment (see fig. 2), in the process of opening the manhole cover 2, the negative pressure inside and outside the manhole cover 2 causes the powder to be adsorbed on the bottom partition 12 of the manhole cover 2, and after the negative pressure disappears, the powder adsorbed on the bottom of the manhole cover 2 can fall freely by using the hollow partition 12 communicated with the inner cavity of the manhole cover 2, so that the phenomenon of powder adhesion is effectively reduced, and waste is avoided.

When the manhole cover is pressed outside a powder tanker for use, a limiting rod 15 is inserted into an inner cavity of the through hole 14 through a through hole 14 on a pressing plate 6 by using a handle 9 and a rotating shaft 8, the pressing plate 6 is stably connected with a pressing block 10 to limit the manhole cover 2 and prevent the manhole cover 2 from displacement, the manhole cover 2 is sealed with a manhole 1 by using a lock catch 4 and a lock piece 3, a sealing piece 13 between the manhole cover 2 and the manhole can seal a gap between the manhole 1 and the manhole cover 2, the sealing piece 13 with threads on the outer side wall can separate powder, when the manhole cover 2 is opened, air is fed between the manhole cover 2 and the manhole 1 through the threads on the sealing piece 13 to eliminate negative pressure inside and outside the manhole cover 2 and prevent the powder from overflowing, in the process of opening the manhole cover 2, powder can be adsorbed on a bottom clapboard 12 of the manhole cover 2 layer by layer due to the negative pressure inside and outside the, after the negative pressure disappears, the hollow partition plate 12 communicated with the inner cavity of the manhole cover 2 can enable the powder adsorbed at the bottom of the manhole cover 2 to fall freely, and the phenomenon of powder adhesion is effectively reduced. The device simple structure, the operation of being convenient for, the practicality is strong.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a powder tank car external pressure manhole cover, includes manhole cover (2), support (5) and clamp plate (6), its characterized in that: manhole cover (2) is equipped with manhole (1) with the lateral wall cover, install support (5) between manhole cover (2) and manhole (1), latch fitting (3) are installed at the top of manhole cover (2), hasp (4) with latch fitting (3) looks adaptation are installed to the position that the top of manhole (1) corresponds latch fitting (3), briquetting (10) are installed at the top of manhole cover (2), pivot (8) are installed at the top of briquetting (10), the lateral wall cover of pivot (8) is equipped with handle (9), the figure that articulated seat (7) and articulated seat (7) were installed at the top of manhole (1) is three groups, the top of articulated seat (7) articulates the one end that has clamp plate (6).

2. The external pressure manhole cover of the powder tanker according to claim 1, wherein: the other end of the pressing plate (6) is provided with a through hole (14), the pressing block (10) is provided with a limiting rod (15) corresponding to the position of the pressing plate (6), and the limiting rod (15) is inserted into the inner cavity of the through hole (14).

3. The external pressure manhole cover of the powder tanker according to claim 1, wherein: the outer side wall of the manhole cover (2) is sleeved with a sealing element (11), and the outer side wall of the sealing element (11) is provided with threads.

4. The external pressure manhole cover of the powder tanker according to claim 1, wherein: and a partition plate (12) is arranged at the bottom of the manhole cover (2).

5. The external pressure manhole cover of the powder tanker according to claim 4, wherein: the partition plate (12) is a hollow partition plate.