CN214698467U

CN214698467U - Water pump sealing mechanism with reducing function

Info

Publication number: CN214698467U
Application number: CN202120766154.7U
Authority: CN
Inventors: 叶龙祥
Original assignee: SUQIAN GREAT WALL MACHINE SEAL MANUFACTURING CO LTD
Current assignee: SUQIAN GREAT WALL MACHINE SEAL MANUFACTURING CO LTD
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-11-12
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses a water pump sealing mechanism with reducing function, including pump shaft body and sealed support body, sealed support body inner wall is equipped with internal thread screw thread and threaded mounting and has the second sealing ring, second sealing ring inner wall and pump shaft body outer wall movable mounting, sealed support body outer wall one side is equipped with the spout, there is sealed lid sealed through spout slidable mounting in the sealed support body outside, the oil filler point has been seted up to sealed lid outer wall, sealed lid one side inner wall is equipped with internal thread screw thread and threaded mounting and has first sealing ring. The utility model provides a thereby water pump sealing mechanism change the degree of difficulty big and the axis body size differs to be difficult to confirm and leads to the sealing mechanism size to be difficult to the definite problem.

Description

Water pump sealing mechanism with reducing function

Technical Field

The utility model relates to a water pump seal technical field specifically is a water pump sealing mechanism with reducing function.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, and it can transfer the mechanical energy of prime mover or other external energy to the liquid to increase the energy of liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal, etc., and can also convey liquid, gas mixture and liquid containing suspended solid matter. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like, and the water pump can be divided into a volumetric water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like. Need the motor to drive the operation in the water pump, the motor shaft of motor is connected with the pump shaft of water pump usually, wherein avoids the motor to damage, is provided with mechanical seal usually on the pump shaft, avoids liquid to get into the motor chamber, and the sealing member is as the key part of water pump, and its quality requirement is higher and higher more, and the relatively poor sealing member of quality can lead to the life of water pump to receive serious influence.

However, because the diameters of the shafts of the water pumps are different, different sealing mechanisms need to be selected for use according to the shafts of different specifications, when the shafts of the water pumps are maintained and replaced, the sizes of the shafts of the water pumps needing to be replaced cannot be confirmed, and a maintenance worker can only select a sealing mechanism which is suitable for use after detaching the sealing mechanism to replace the shaft of the water pump, so that the shaft of the water pumps is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water pump sealing mechanism with reducing function possesses the convenient advantage of changing and adapting to the use of different specification axis bodies, thereby has solved water pump sealing mechanism and has changed the degree of difficulty big and axis body size differ to be difficult to confirm and lead to the sealing mechanism size to be difficult to the problem of confirming.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water pump sealing mechanism with reducing function, includes pump shaft body, spring body, pump body shell and sealed support body, sealed support body inner wall is equipped with internal thread and screw thread and installs the second sealing ring, second sealing ring inner wall and pump shaft body outer wall movable mounting, sealed support body outer wall one side is equipped with the spout, there is sealed lid in the sealed support body outside through spout slidable mounting, the oil filler point has been seted up to sealed lid outer wall, sealed lid one side inner wall is equipped with internal thread and screw thread and installs first sealing ring.

Preferably, the outer wall of one side of the sealing frame body, which is far away from the sliding groove, is movably sleeved with a spring body, one end of the spring body is in contact with the sealing frame body but is not fixedly connected, and the other end of the spring body is in contact with the first sealing ring but is not fixedly connected.

Preferably, the outer wall of the second sealing ring is in contact with but not fixedly connected with the sealing cover.

Preferably, the outer wall of the sealing cover is embedded in the pump body shell, and the inner wall of the sealing cover is in contact with the spring body but is not fixedly connected with the spring body.

Preferably, the inner wall of one side of the first sealing ring, which is close to the second sealing ring, is grooved and embedded with a sealing gasket, the inner wall of the first sealing ring is in contact with the outer wall of the pump shaft body but is not fixedly connected, and a mounting hole is formed in one side of the first sealing ring, which is far away from the second sealing ring.

Preferably, the inner wall of the oil filling hole is provided with an internal thread and is provided with a sealing screw in a threaded manner, and the top end of the sealing screw and the outer wall of the sealing cover are positioned on the same plane.

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

1. the utility model discloses a set up first sealing ring and second sealing ring, mode through the screw thread installation is with first sealing ring and sealed lid threaded connection, mode through the screw thread installation is with second sealing ring and sealed support body threaded connection, thereby make sealed support body and pump shaft body contactless, and then when making and need change sealing mechanism, only need select the internal diameter to change with current pump shaft body diameter assorted first sealing ring and second sealing ring, can realize sealing mechanism's change, thereby make the adaptable not unidimensional pump shaft body of same kind of sealing mechanism use, the effect that adapts to different specification axis bodies and use has been reached.

2. The utility model discloses a set up sealed support body to the sealed lid of slidable mounting on sealed support body makes sealed lid one side and sealed lid sliding connection, and sealed lid opposite side inner wall sets up the internal thread screw thread, and through internal thread screw thread and first sealing ring threaded connection, and then makes sealing mechanism more convenient when dismantling, only needs to twist out first sealing ring through the mounting hole, can accomplish the dismantlement to sealed lid, has reached the effect that makes things convenient for sealing mechanism to change.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a schematic view of the connection structure of the sealing frame body of the present invention.

In the figure: 1. a pump shaft body; 2. a sealing cover; 3. a chute; 4. a spring body; 5. a first seal ring; 6. a gasket; 7. a pump body housing; 8. sealing the frame body; 9. a second seal ring; 10. a sealing screw; 11. and an oil filling hole.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a water pump sealing mechanism with reducing function, including pump shaft body 1, spring body 4, pump body shell 7 and sealed support body 8, sealed support body 8 inner wall is equipped with internal thread screw thread and threaded installation and has

second sealing ring

9, 1 outer wall movable mounting of second sealing ring 9 inner wall and pump shaft body, 8 outer wall one side of sealed support body are equipped with spout 3, there is sealed lid 2 sealed support body 8 outside through 3 slidable mounting of spout, one side outer wall movable sleeve that sealed support body 8 kept away from spout 3 is equipped with

spring body

4, 4 one end of spring body and the nevertheless non-fixed connection of 8 contacts of sealed support body, the 4 other ends of spring body and the 5 contacts but non-fixed connection of first sealing ring. The outer wall of the second sealing ring 9 is in contact with but not fixedly connected with the sealing cover 2.

An oil filling hole 11 is formed in the outer wall of the sealing cover 2, an internal thread is arranged on the inner wall of the oil filling hole 11, a sealing screw 10 is installed on the internal thread in a threaded mode, and the top end of the sealing screw 10 and the outer wall of the sealing cover 2 are located on the same plane. The inner wall of one side of the sealing cover 2 is provided with an internal thread and a first sealing ring 5 is installed on the inner wall of one side of the sealing cover in a threaded mode. Through setting up first sealing ring 5 and second sealing ring 9, mode through the screw thread installation is with first sealing

ring

5 and 2 threaded connection of sealed lid, mode through the screw thread installation is with

second sealing ring

9 and 8 threaded connection of sealed support body, thereby make sealed support body 8 and pump shaft body 1 contactless, and then when making and need changing sealing mechanism, only need select the internal diameter to change with first sealing ring 5 of 1 diameter assorted of current pump shaft body and second sealing ring 9, sealing mechanism's change can be realized, thereby make the adaptable not unidimensional pump shaft body 1 of same kind of sealing mechanism use, the effect that adapts to the use of different specification axis bodies has been reached. The outer wall of the sealing cover 2 is embedded in the pump body shell 7, and the inner wall of the sealing cover 2 is in contact with the spring body 4 but is not fixedly connected with the spring body. The inner wall of one side of the first sealing ring 5 close to the second sealing ring 9 is grooved and embedded with a sealing gasket 6, the inner wall of the first sealing ring 5 is in contact with the outer wall of the pump shaft body 1 but is not fixedly connected, and one side of the first sealing ring 5 far away from the second sealing ring 9 is provided with a mounting hole. Through setting up sealed support body 8 to the sealed lid 2 of slidable mounting on sealed support body 8 makes sealed lid 2 one side and sealed lid 2 body sliding connection, and 2 opposite side inner walls of sealed lid set up the internal thread screw thread, and through internal thread screw thread and 5 threaded connection of first sealing ring, and then make sealing mechanism more convenient when dismantling, only need twist out first sealing ring 5 through the mounting hole, can accomplish the dismantlement to sealed lid 2, reached the effect that makes things convenient for sealing mechanism to change.

The working principle is as follows: the utility model discloses during the use, 8 suits of support body will seal on pump shaft body 1, and with 4 suits of spring body on sealed

support body

8, 2 slidable mounting of sealed lid are at 8 outer walls of sealed support body through spout 3 simultaneously, install sealed 2 embedding of lid on 7 shells of the pump body, and the first sealing ring of movable mounting 5 on pump shaft body 1, through the internal thread screw thread on the sealed support body 8 with

second sealing ring

9 and 8 threaded connection of sealed support body, and simultaneously, with 5 suits of first sealing ring on pump shaft body 1, and through the internal thread screw thread on the sealed lid 2 with 5 threaded connection of first sealing ring and sealed 2 threaded connection of lid, pour into proper amount of sealed oil into through oil filler point 11, and install sealing screw 10 in oil filler point 11.

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.

Claims

1. The utility model provides a water pump sealing mechanism with reducing function, includes pump shaft body (1), spring body (4), pump body shell (7) and sealed support body (8), its characterized in that: sealed support body (8) inner wall is equipped with internal thread screw thread and installs second sealing ring (9), second sealing ring (9) inner wall and pump shaft body (1) outer wall movable mounting, sealed support body (8) outer wall one side is equipped with spout (3), there is sealed lid (2) sealed through spout (3) slidable mounting in sealed support body (8) outside, oil filler point (11) have been seted up to sealed lid (2) outer wall, sealed lid (2) one side inner wall is equipped with internal thread screw thread and installs first sealing ring (5).

2. The water pump sealing mechanism with the diameter changing function as claimed in claim 1, wherein: the outer wall of one side of the sealing frame body (8) far away from the sliding groove (3) is movably sleeved with a spring body (4), one end of the spring body (4) is in contact with the sealing frame body (8) but is not fixedly connected, and the other end of the spring body (4) is in contact with the first sealing ring (5) but is not fixedly connected.

3. The water pump sealing mechanism with the diameter changing function as claimed in claim 1, wherein: the outer wall of the second sealing ring (9) is in contact with the sealing cover (2) but is not fixedly connected with the sealing cover.

4. The water pump sealing mechanism with the diameter changing function as claimed in claim 1, wherein: the outer wall of the sealing cover (2) is embedded in the pump body shell (7), and the inner wall of the sealing cover (2) is in contact with the spring body (4) but is not fixedly connected with the spring body.

5. The water pump sealing mechanism with the diameter changing function as claimed in claim 1, wherein: the pump shaft is characterized in that a sealing gasket (6) is arranged on the groove of the inner wall of one side, close to the second sealing ring (9), of the first sealing ring (5) in an embedded mode, the inner wall of the first sealing ring (5) is in contact with the outer wall of the pump shaft body (1) but is not fixedly connected with the outer wall of the pump shaft body, and a mounting hole is formed in one side, away from the second sealing ring (9), of the first sealing ring (5).

6. The water pump sealing mechanism with the diameter changing function as claimed in claim 1, wherein: the inner wall of the oil filling hole (11) is provided with internal thread threads, a sealing screw (10) is installed on the internal thread threads, and the top end of the sealing screw (10) and the outer wall of the sealing cover (2) are located on the same plane.