CN210265248U

CN210265248U - Mechanical sealing device convenient to maintain

Info

Publication number: CN210265248U
Application number: CN201921153065.4U
Authority: CN
Inventors: 袁军成
Original assignee: Lianshui Chuangmi Machinery Manufacturing Co ltd
Current assignee: Lianshui Chuangmi Machinery Manufacturing Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-04-07
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a mechanical sealing device convenient for maintenance, which belongs to the technical field of mechanical sealing devices and comprises a top cover, wherein a thread column is arranged in the middle of the lower surface of the top cover, a fixed plate is arranged below the thread column, a buffer spring is arranged at the joint of the fixed plate and the thread column, a mounting seat is arranged below the fixed plate, a sealing gasket is arranged on the lower surface of the mounting seat, a limiting part corresponding to the mounting seat is arranged on the lower surface of the fixed plate, and an expansion bolt is arranged in the middle of the upper surface of the top cover; the utility model discloses carry on spacingly through buffer spring to sealed the pad when using, still further carry on spacingly to sealed pad through spacing spring on the locating part to make sealed effect better, secondly, this device is fixed the top cap through expansion bolts, thereby effectively prevents that the top cap from taking place not hard up owing to acutely shaking, thereby guarantees user to mechanical seal device's normal use.

Description

Mechanical sealing device convenient to maintain

Technical Field

The utility model belongs to the technical field of mechanical seal device, concretely relates to mechanical seal device convenient to maintenance.

Background

The water pump is an indispensable part in the diesel engine use, mainly provides the cooling effect to the diesel engine, and the existing diesel engine water pump is sealed to adopt the bearing seal mode more.

Chinese patent (publication number is CN 208669683U) discloses a diesel engine water pump mechanical seal device, including the enclosing cover, the welding of enclosing cover lower extreme has the screw thread post, and the screw thread post lower extreme is connected with the one-level connecting block, and the welding has strong spring on the one-level connecting block, and the welding of strong spring lower extreme has the second grade connecting block, and the welding of second grade connecting block lower extreme has the lag, and the welding of upper end has the gasket in the lag, and the gasket offsets with the lag inner wall, and the welding of lag lower extreme has the blotter.

However, the mechanical sealing device is simple in structure, so that the mechanical sealing device is easy to loosen due to severe vibration, and normal use of the mechanical sealing device by a user is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical seal device convenient to maintenance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical seal device convenient to maintenance, includes the top cap, and the lower surface middle part of top cap is provided with the screw thread post, and the below of screw thread post is provided with the fixed plate, and the junction of fixed plate and screw thread post is provided with buffer spring, and the below of fixed plate is provided with the mount pad, and the lower surface of mount pad is provided with sealed the pad, the lower surface of fixed plate is provided with the locating part that corresponds with the mount pad, and the upper surface middle part of top cap is provided with expansion bolts.

As a further aspect of the present invention: the locating part is the cylinder structure, and the material of locating part is rubber, and the inside embedding of locating part has a limiting spring.

As a further aspect of the present invention: screws corresponding to the sealing gaskets are arranged at two ends of the mounting seat, and first limiting grooves corresponding to the screws are formed in the mounting seat.

As a further aspect of the present invention: and the bottom end of the threaded column is provided with an inflatable sealing element, and a second limiting groove corresponding to the inflatable sealing element is formed in the threaded column.

As a further aspect of the present invention: and one end of the upper surface of the top cover is provided with an inflation tube corresponding to the inflatable sealing element, the threaded column is provided with an inflation inlet corresponding to the inflatable sealing element, and the inflation tube is communicated with the inflation inlet.

As a further aspect of the present invention: the material of the inflatable sealing element is rubber.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses carry on spacingly through buffer spring to sealed the pad when using, still further carry on spacingly through spacing spring on the locating part to sealed pad to make sealed effect better, secondly, this device is fixed the top cap through expansion bolts, thereby effectively prevents that the top cap from taking place not hard up owing to acutely shaking, thereby guarantees the user to mechanical seal device's normal use, in addition, the utility model discloses convenient to overhaul carries out secondary seal through inflatable seal spare moreover to further promote sealing device's sealed effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a structural sectional view of a corresponding limiting member of the present invention;

fig. 3 is a schematic structural view of the corresponding threaded post of the present invention;

in the figure: 1-sealing gasket, 2-first limiting groove, 3-fixing plate, 4-top cover, 5-inflation tube, 6-expansion bolt, 7-threaded column, 8-inflation sealing element, 9-buffer spring, 10-limiting element, 11-screw, 12-limiting spring, 13-second limiting groove, 14-inflation port and 15-mounting seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-3, the present invention provides a technical solution: a mechanical sealing device convenient to maintain comprises a top cover 4, wherein a threaded column 7 is embedded in the middle of the lower surface of the top cover 4, a fixing plate 3 is arranged below the threaded column 7, a buffer spring 9 is welded at the joint of the fixing plate 3 and the threaded column 7, an installation seat 15 is arranged below the fixing plate 3, a sealing gasket 1 is bonded on the lower surface of the installation seat 15 through glue, a limiting part 10 corresponding to the installation seat 15 is arranged on the lower surface of the fixing plate 3, and an expansion bolt 6 is arranged in the middle of the upper surface of the top cover 4;

in order to improve the limiting effect of the limiting member 10, in this embodiment, preferably, the limiting member 10 is a cylindrical structure, the material of the limiting member 10 is rubber, a limiting spring 12 is embedded in the limiting member 10, and the material of the limiting spring 12 is stainless steel;

in order to make the connection between the mounting seat 15 and the sealing gasket 1 more reliable, in this embodiment, preferably, screws 11 corresponding to the sealing gasket 1 are disposed at two ends of the mounting seat 15, first limiting grooves 2 corresponding to the screws 11 are disposed on the mounting seat 15, and the sealing gasket 1 is made of graphite.

Example 2:

on the basis of embodiment 1, in order to improve the sealing effect of the mechanical sealing device, in this embodiment, preferably, the bottom end of the threaded column 7 is provided with an inflatable sealing element 8, and the threaded column 7 is provided with a second limiting groove 13 corresponding to the inflatable sealing element 8;

in order to make it more convenient for a user to inflate the inflatable sealing element 8, in this embodiment, it is preferable that one end of the upper surface of the top cover 4 is provided with an inflation tube 5 corresponding to the inflatable sealing element 8, the threaded column 7 is provided with an inflation port 14 corresponding to the inflatable sealing element 8, and the inflation tube 5 is communicated with the inflation port 14;

in order to improve the sealing effect of the inflatable sealing element 8, in the present embodiment, the material of the inflatable sealing element 8 is preferably rubber.

The utility model discloses a theory of operation and use flow: when in use, the expansion bolt 6 is screwed, so that the threaded column 7 and the top cover 4 are more reliably installed through the expansion bolt 6, and the top cover 4 is prevented from being loosened due to severe vibration, so that the normal use of the mechanical sealing device by a user is ensured;

aerify for inflatable seal 8 through gas tube 5 during the use to make inflatable seal 8 aerify the inflation, thereby carry out secondary seal through inflatable seal 8, thereby make mechanical seal device's sealed effect better, thereby promote the user and experience mechanical seal device's use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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 mechanical seal device convenient to maintenance, includes top cap (4), and the lower surface middle part of top cap (4) is provided with screw thread post (7), and the below of screw thread post (7) is provided with fixed plate (3), and the junction of fixed plate (3) and screw thread post (7) is provided with buffer spring (9), and the below of fixed plate (3) is provided with mount pad (15), and the lower surface of mount pad (15) is provided with sealed (1), its characterized in that: the lower surface of the fixed plate (3) is provided with a limiting piece (10) corresponding to the mounting seat (15), and the middle part of the upper surface of the top cover (4) is provided with an expansion bolt (6).

2. The mechanical seal for facilitating maintenance of claim 1, wherein: the limiting piece (10) is of a cylindrical structure, the limiting piece (10) is made of rubber, and a limiting spring (12) is embedded in the limiting piece (10).

3. The mechanical seal for facilitating repair of claim 2, wherein: screws (11) corresponding to the sealing gaskets (1) are arranged at two ends of the mounting seat (15), and first limiting grooves (2) corresponding to the screws (11) are formed in the mounting seat (15).

4. A service-friendly mechanical seal according to any of claims 1-3 and further comprising: the bottom end of the threaded column (7) is provided with an inflatable sealing element (8), and a second limiting groove (13) corresponding to the inflatable sealing element (8) is formed in the threaded column (7).

5. The mechanical seal to facilitate servicing of claim 4, wherein: an inflation tube (5) corresponding to the inflation sealing piece (8) is arranged at one end of the upper surface of the top cover (4), an inflation opening (14) corresponding to the inflation sealing piece (8) is arranged on the threaded column (7), and the inflation tube (5) is communicated with the inflation opening (14).

6. The mechanical seal for facilitating maintenance of claim 5, wherein: the material of the inflatable sealing element (8) is rubber.