CN216842178U

CN216842178U - Lubricating oil seal assembly of pump body

Info

Publication number: CN216842178U
Application number: CN202220114964.9U
Authority: CN
Inventors: 赵阳; 骆涛
Original assignee: Shanghai Zhongshu Lubricating Oil Co ltd
Current assignee: Shanghai Zhongshu Lubricating Oil Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-06-28
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a lubricating oil seal assembly of the pump body, the connecting pipe comprises a connecting pipe, the middle part inboard of connecting pipe is provided with the mounting, and the top inboard of connecting pipe installs the shutoff piece, be connected with the protrusion piece directly over the shutoff piece, and the bottom of shutoff piece installs application of force piece, the week side of application of force piece is provided with the connection pad, and the inside of connection pad is provided with the anticorrosive coating, the inboard of anticorrosive coating is connected with the wearing layer, first cavity has been seted up at the top of connection pad, the below intercommunication of second cavity has the third cavity. This lubricating oil seal assembly of the pump body, when with shutoff piece threaded connection in connecting pipe top inboard, the application of force piece can be mutually supported with the mounting and extrudees the connection pad to can make the gas reposition of redundant personnel in the second cavity to first cavity and third cavity, make the upper and lower both ends inflation of connection pad and closely laminate with the connecting pipe inner wall, effectively strengthen sealed effect, avoid lubricating oil to leak.

Description

Lubricating oil seal assembly of pump body

Technical Field

The utility model relates to a lubricating oil technical field specifically is a lubricating oil seal assembly of the pump body.

Background

Lubricating oil is mainly applied to mechanical devices, a lubricating effect is provided for various mechanical parts, the abrasion between device structures can be reduced by adding the lubricating oil, and in order to avoid the leakage and volatilization of the lubricating oil, a sealing assembly is required to be used for plugging a lubricating oil pipeline, but the lubricating oil sealing assembly of a pump body on the market at present still has the following problems:

1. the existing lubricating oil sealing component of the pump body has unsatisfactory plugging effect and still has the condition of lubricating oil leakage;

2. the lubricating oil seal assembly of the conventional pump body has poor wear resistance, is easy to damage in a long-term use process and has short service life.

Aiming at the problems, the novel design is carried out on the basis of the original lubricating oil sealing assembly of the pump body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lubricating oil seal assembly of the pump body to solve the lubricating oil seal assembly of the common pump body on the existing market that proposes in the above-mentioned background art, the shutoff effect is unsatisfactory, still has the condition that lubricating oil leaked, and the wearability of subassembly is poor, is impaired easily in permanent use, problem that life is short.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lubricating oil seal assembly of the pump body, includes the connecting pipe, the middle part inboard of connecting pipe is provided with the mounting, and the top inboard of connecting pipe installs the shutoff piece, be connected with the protrusion piece directly over the shutoff piece, and the bottom of shutoff piece installs application of force piece, the week side of application of force piece is provided with the connection pad, and the inside of connection pad is provided with the anticorrosive coating, the inboard of anticorrosive coating is connected with the wearing layer, and the internally mounted of wearing layer has the elasticity piece, first cavity has been seted up at the top of connection pad, and the below intercommunication of first cavity has the second cavity, the below intercommunication of second cavity has the third cavity.

Preferably, the connecting pipe is of an integrated structure with the fixing piece in fixed connection, the cross section of the fixing piece is of a circular ring structure, the groove structures are arranged at the upper end and the lower end of the fixing piece, and the diameters of the groove structures at the upper end and the lower end of the fixing piece are gradually decreased towards the middle direction of the fixing piece.

Preferably, the connection mode of the plugging block and the connecting pipe is threaded connection, the connection mode of the plugging block and the protruding block is welding, and the central line of the plugging block and the central line of the protruding block coincide with each other.

Preferably, the force application block is fixedly connected with the blocking block to form an integrated structure, the diameter of the force application block is gradually reduced from top to bottom, and the force application block is connected with the connecting pad in a sticking manner.

Preferably, the anticorrosive coating sets up about the axis longitudinal symmetry of wearing layer, and the connected mode of wearing layer and elasticity piece is for inlaying the connection to the elasticity piece is equidistant setting in the inside of wearing layer.

Preferably, the wearing layer includes that first oil layer, viscose layer and second are dredged oil layer, and first oil layer and the oleophobic layer of second of dredging passes through viscose layer fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: the lubricating oil sealing component of the pump body,

1. by arranging the fixing piece, the force application block and the connecting pad, when the plugging block is in threaded connection with the inner side of the top end of the connecting pipe, the force application block and the fixing piece can be matched with each other to extrude the connecting pad, so that gas in the second cavity can be distributed into the first cavity and the third cavity, the upper end and the lower end of the connecting pad are inflated and expanded and are tightly attached to the inner wall of the connecting pipe, the sealing effect is effectively enhanced, and lubricating oil leakage is avoided;

2. through setting up anticorrosive coating, wearing layer and elasticity piece, anticorrosive coating and ceramic material's wearing layer through the phenolic resin material can strengthen the anticorrosive and wear-resisting effect of connection pad to under the effect of first oil layer and the second oil layer of dredging, can avoid lubricating oil to adhere to on the connection pad for a long time and cause slow corrosion, and under the effect of elasticity piece, can make the connection pad have the high elasticity, fast when conveniently dismantling recovers.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the plugging block and the convex block of the present invention;

FIG. 3 is a schematic view of the connection structure of the plugging block and the force application block;

FIG. 4 is a schematic view of the connecting pad and the corrosion-resistant layer of the present invention;

fig. 5 is a schematic view of the first oil drainage layer and the adhesive layer of the present invention in front view.

In the figure: 1. a connecting pipe; 2. a fixing member; 3. a plugging block; 4. a protruding block; 5. a force application block; 6. a connecting pad; 7. an anticorrosive layer; 8. a wear layer; 801. a first oil-removing layer; 802. an adhesive layer; 803. a second oil-removing layer; 9. an elastic block; 10. a first cavity; 11. a second cavity; 12. a third cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a lubricating oil sealing assembly of a pump body comprises a connecting pipe 1, in order to enhance the sealing effect of the assembly and avoid the leakage of lubricating oil, a fixing part 2 is arranged on the inner side of the middle part of the connecting pipe 1, the connecting pipe 1 and the fixing part 2 are fixedly connected to form an integrated structure, the cross section of the fixing part 2 is in a circular ring structure, the upper end and the lower end of the fixing part 2 are respectively provided with a groove-shaped structure, the diameters of the groove-shaped structures on the upper end and the lower end of the fixing part are gradually decreased towards the middle direction of the fixing part 2, a plugging block 3 is arranged on the inner side of the top end of the connecting pipe 1, a convex block 4 is connected right above the plugging block 3, the connecting mode of the plugging block 3 and the connecting pipe 1 is in threaded connection, the connecting mode of the plugging block 3 and the convex block 4 is welding, the central line of the plugging block 3 and the central line of the convex block 4 coincide with each other, a force application block 5 is arranged at the bottom of the plugging block 3, the periphery of the force application block 5 is provided with a connecting pad 6, a first cavity 10 is formed in the top of the connecting pad 6, a second cavity 11 is communicated below the first cavity 10, a third cavity 12 is communicated below the second cavity 11, the force application block 5 and the plugging block 3 are fixedly connected to form an integrated structure, the diameter of the force application block 5 is gradually decreased from top to bottom, the force application block 5 and the connecting pad 6 are connected in a sticking mode, when the plugging block 3 is in threaded connection with the connecting pipe 1, the force application block 5 and the fixing piece 2 both extrude the connecting pad 6, gas in the second cavity 11 can be divided into the first cavity 10 and the third cavity 12, the upper end and the lower end of the connecting pad 6 are inflated and tightly attached to the inner wall of the connecting pipe 1, the sealing effect is effectively enhanced, and lubricating oil leakage is avoided.

Referring to fig. 1, 4 and 5, in order to improve the service life of the assembly, an anti-corrosion layer 7 may be disposed inside the connection pad 6, a wear-resistant layer 8 is connected to the inner side of the anti-corrosion layer 7, the wear-resistant layer 8 includes a first oil-repellent layer 801, an adhesive layer 802 and a second oil-repellent layer 803, the first oil-repellent layer 801 and the second oil-repellent layer 803 are fixedly connected through the adhesive layer 802, the wear-resistant layer 8 is internally provided with elastic blocks 9, the anti-corrosion layer 7 is disposed up and down symmetrically about the central axis of the wear-resistant layer 8, the connection manner of the wear-resistant layer 8 and the elastic blocks 9 is an embedded connection, the elastic blocks 9 are disposed inside the wear-resistant layer 8 at equal intervals, the anti-corrosion layer 7 made of phenolic resin and the wear-resistant layer 8 made of ceramic material can enhance the anti-corrosion and wear-resistant effects of the connection pad 6, and under the effect of the first oil-repellent layer 801 and the second oil-repellent layer 803, the lubricating oil-repellent layer can prevent the lubricating oil from being slowly corroded due to the long-adhesion of the connection pad 6, the service life of the connection pad 6 can be improved.

The working principle is as follows: when the lubricating oil sealing assembly of the pump body is used, firstly, lubricating oil is added into the pump body through the connecting pipe 1, then the blocking block 3 is in threaded connection with the inner side of the top end of the connecting pipe 1 through the handheld protruding block 4, in the process, the blocking block 3 drives the force application block 5 at the bottom of the blocking block to slowly move downwards, at the moment, the force application block 5 and the fixing piece 2 both extrude the connecting pad 6, so that gas in the second cavity 11 can be divided into the first cavity 10 and the third cavity 12, the upper end and the lower end of the connecting pad 6 are inflated and expanded and tightly attached to the inner wall of the connecting pipe 1, the sealing effect is effectively enhanced, and the lubricating oil is prevented from being leaked;

in the use process of the sealing assembly, the anticorrosion and wear-resistant effects of the connecting pad 6 can be enhanced through the anticorrosion layer 7 made of phenolic resin and the wear-resistant layer 8 made of ceramic, the slow corrosion caused by the fact that lubricating oil is attached to the connecting pad 6 for a long time can be avoided under the action of the first oil-thinning layer 801 and the second oil-thinning layer 803, the connecting pad 6 can have high elasticity under the action of the elastic blocks 9 arranged at equal intervals, the connecting pad 6 can be rapidly restored when the plugging block 3 is conveniently disassembled, the operation process of the whole device is the above, and the content which is not described in detail in the specification belongs to the prior art known by professionals in the field.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lubricating oil seal assembly of pump body, includes connecting pipe (1), its characterized in that: the middle part inboard of connecting pipe (1) is provided with mounting (2), and the top inboard of connecting pipe (1) installs blocking piece (3), be connected with salient piece (4) directly over blocking piece (3), and the bottom of blocking piece (3) installs application of force piece (5), the week side of application of force piece (5) is provided with connection pad (6), and the inside of connection pad (6) is provided with anticorrosive coating (7), the inboard of anticorrosive coating (7) is connected with wearing layer (8), and the internally mounted of wearing layer (8) has elastic block (9), first cavity (10) have been seted up at the top of connection pad (6), and the below intercommunication of first cavity (10) has second cavity (11), the below intercommunication of second cavity (11) has third cavity (12).

2. The lube oil seal assembly for a pump body of claim 1, wherein: connecting pipe (1) is integral structure with mounting (2) fixed connection, and the transversal ring structure setting of personally submitting of mounting (2), the slot-like structure has all been seted up at the upper and lower both ends of mounting (2), and the diameter of both ends slot-like structure all is towards the middle part direction of mounting (2) about it and is descending the setting.

3. The lube oil seal assembly for a pump body of claim 1, wherein: the connection mode of shutoff piece (3) and connecting pipe (1) is threaded connection, and the connection mode of shutoff piece (3) and protrusion piece (4) is the welding to the central line of shutoff piece (3) and the central line of protrusion piece (4) coincide each other.

4. The lube oil seal assembly for a pump body of claim 1, wherein: the force application block (5) and the blocking block (3) are fixedly connected to form an integrated structure, the diameter of the force application block (5) is gradually decreased from top to bottom, and the force application block (5) is connected with the connecting pad (6) in a sticking mode.

5. The lube oil seal assembly for a pump body of claim 1, wherein: anticorrosive coating (7) are the symmetry setting about the axis of wearing layer (8) from top to bottom, and wearing layer (8) are connected for inlaying with the connected mode of elasticity piece (9) to elasticity piece (9) are equidistant setting in the inside of wearing layer (8).

6. The lube oil seal assembly for a pump body of claim 5, wherein: the wear-resistant layer (8) comprises a first oil-repellent layer (801), an adhesive layer (802) and a second oil-repellent layer (803), and the first oil-repellent layer (801) and the second oil-repellent layer (803) are fixedly connected through the adhesive layer (802).