CN214788177U

CN214788177U - Water pump sealing device with anti-loosening function

Info

Publication number: CN214788177U
Application number: CN202120858415.8U
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: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-19
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a water pump sealing device with locking function, including the pump body and power shaft, the power shaft has been cup jointed to the inside intermediate position department of the pump body, the inside power shaft surface mounting that is located of the pump body has the seal groove, the inside power shaft surface that is located of seal groove is close to bottom position department and installs the sealed platform, seal groove and power shaft intermediate position department install the extrusion seal circle, the inside intermediate position department of extrusion seal circle installs the cam ring, the seal groove is close to top clearance position department with the power shaft and installs the external seal ring, pump body top is located power shaft surface mounting and has sealed lid. The utility model provides a current device structure comparatively simple, long-time use back, the sealing member is under the influence of vibrational force, and is easy not hard up, influences water pump life, and adopts single sealing member to seal the water pump more, and easy wearing and tearing, the not good problem of life has improved the utility model discloses an use sealed effect.

Description

Water pump sealing device with anti-loosening function

Technical Field

The utility model relates to a water pump production technical field specifically is a water pump sealing device with locking function.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc., and also to transfer 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; the pump can be divided into a volume 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; the vane pump transfers energy by utilizing the interaction of a rotary vane and water, and is of a centrifugal pump, an axial flow pump, a mixed flow pump and the like, and a water pump sealing piece is particularly important in a water pump structure.

The existing water pump sealing device is simple in structure, after the sealing device is used for a long time, a sealing element is easy to loosen under the influence of vibration force, the service life of a water pump is influenced, the water pump is sealed by adopting a single sealing element, the sealing element is easy to wear and is not good in service life, and therefore the water pump sealing device with the anti-loosening function is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water pump sealing device with locking function of moving possesses locking not hard up advantage, has solved current device structure comparatively simple, long-time use back, and the sealing member is under the influence of vibrational force, and is easily not hard up, influences water pump life, and adopts single sealing member to seal the water pump more, easy wearing and tearing, the not good problem of life.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water pump sealing device with locking function, includes the pump body and power shaft, wherein the power shaft has been cup jointed to the inside intermediate position department of the pump body, the inside power shaft surface mounting that is located of the pump body has the seal groove, the inside power shaft surface that is located of seal groove is close to bottom position department and installs the seal platform, seal groove and power shaft intermediate clearance position department install the extrusion seal circle, the cam ring is installed to the inside intermediate position department of extrusion seal circle, the seal groove is close to top clearance position department with the power shaft and installs the external seal ring, pump body top is located power shaft surface mounting and has sealed lid, sealed lid bottom is passed through the spliced pole and is connected in clamp plate A upper end position department.

Preferably, the outer surface of the power shaft is located at the upper end of the sealing table and is provided with a pressing plate C, the top end of the pressing plate C is close to the outer surface and is provided with an outer diameter sleeve A, the outer surface of the power shaft is located at the lower end of the extrusion sealing ring and is provided with a pressing plate B, and the bottom end of the pressing plate B is close to the outer surface and is provided with an inner diameter sleeve A.

Preferably, the inner diameter sleeve A is sleeved on the inner surface of the outer diameter sleeve A, and the outer surfaces of the outer diameter sleeve A and the inner diameter sleeve A are provided with springs B at the gap position between the pressing plate C and the pressing plate B.

Preferably, the outer surface of the power shaft is provided with a pressing plate D at the position of the upper end of the extrusion sealing ring, the top end of the pressing plate D is provided with an outer diameter sleeve B at the position close to the outer surface, the outer surface of the power shaft is provided with a pressing plate A at the position of the lower end of the outer sealing ring, and the bottom end of the pressing plate A is provided with an inner diameter sleeve B at the position close to the outer surface.

Preferably, the inner diameter sleeve B is sleeved on the inner surface of the outer diameter sleeve B, and the outer surfaces of the outer diameter sleeve B and the inner diameter sleeve B are provided with springs A at the positions of gaps between the pressing plates D and A.

Preferably, the inner surfaces of the inner diameter sleeve A and the inner diameter sleeve B are respectively provided with a sealing gasket on the outer surface of the power shaft.

Preferably, a spring groove is formed in the sealing table at a position close to the outer surface of the power shaft, and a contraction spring B is mounted on the inner surface of the spring groove.

Preferably, a contraction spring A is installed at a position, close to the outer surface of the power shaft, inside the outer sealing ring, and an outer ring is installed at a position, close to the inner surface of the sealing groove, inside the outer sealing ring.

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

1. the utility model discloses a be located clamp plate C and clamp plate B clearance position department at external diameter cover A and internal diameter cover A surface and set up spring B, reach the not hard up effect of sealing member that prevents, be located seal bench position department at the power shaft surface and set up clamp plate C, be close to surface position department and set up external diameter cover A on clamp plate C top, be located extrusion sealing washer lower extreme position department at the power shaft surface and set up clamp plate B, be close to surface position department and set up internal diameter cover A in clamp plate B bottom, and internal diameter cover A cup joints in external diameter cover A internal surface position department, it is comparatively simple to solve seal structure, long-time after using, the sealing member is under the influence of vibrational force, it is easy not hard up, influence water pump life's problem, improved the utility model discloses a sealed effect.

2. The utility model discloses a be located clamp plate D and clamp plate A clearance position department at external diameter cover B and internal diameter cover B surface and set up spring A, reach the effect of extrusion sealing washer, be located extrusion sealing washer upper end position department at the power shaft surface and set up clamp plate D, be close to the surface on clamp plate D top and set up external diameter cover B for position department, be located external seal ring lower extreme position department at the power shaft surface and set up clamp plate A, be close to surface position department and set up internal diameter cover B in clamp plate A bottom, and internal diameter cover B cup joints in external diameter cover B internal surface position department, easily wear and tear under solving extrusion sealing washer rotates for a long time at the power shaft, lead to the great problem in clearance, improved the utility model discloses a service life.

3. The utility model discloses a set up the seal land, external seal ring and sealed pad, reach the effect of the multistage sealed pump body, it sets up the seal land to be close to bottom position department to be located the power shaft surface inside the seal groove, it sets up the spring groove to be close to power shaft surface position department inside the seal land, set up shrink spring B at spring inslot surface, it sets up the external seal ring to be close to top clearance position department with the power shaft at the seal groove, it sets up shrink spring A to be close to power shaft surface position department inside the external seal ring, it sets up the outer loop to be close to seal groove internal surface position department inside the external seal ring, seal the water pump with solving and adopting single sealing member more, easy wearing and tearing, the not good problem of life has improved the utility model discloses a sealed effect.

Drawings

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

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is an enlarged view of B in FIG. 1;

fig. 4 is an enlarged structural diagram of C in fig. 1.

In the figure: 1. a pump body; 2. a sealing table; 3. an outer diameter sleeve A; 4. an inner diameter sleeve A; 5. an outer diameter sleeve B; 6. an inner diameter sleeve B; 7. pressing a plate A; 8. a sealing cover; 9. a power shaft; 10. a gasket; 11. a spring A; 12. a cam ring; 13. pressing a plate B; 14. a spring B; 15. pressing a plate C; 16. a sealing groove; 17. extruding the sealing ring; 18. pressing a plate D; 19. connecting columns; 20. an outer seal ring; 21. an outer ring; 22. contracting the spring A; 23. a retraction spring B; 24. a spring slot.

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.

Referring to fig. 1 and 2, the present invention provides a sealing device for a water pump with anti-loosening function, which comprises: a water pump sealing device with anti-loosening function comprises a pump body 1 and a power shaft 9, the power shaft 9 is sleeved at the middle position inside the pump body 1, a sealing groove 16 is arranged on the outer surface of the power shaft 9 inside the pump body 1, a sealing table 2 is arranged at the position, close to the bottom end, of the outer surface of the power shaft 9, a pressing plate C15 is arranged at the position, close to the upper end of the sealing table 2, of the outer surface of the pressing plate C15, an outer diameter sleeve A3 is arranged at the position, close to the outer surface, of the top end of the pressing plate C15, an extrusion sealing ring 17 is arranged at the position of a gap between the sealing groove 16 and the power shaft 9, a pressing plate B13 is arranged at the position, close to the lower end of the extrusion sealing ring 38717, an inner diameter sleeve A4 is arranged at the position, close to the outer surface, of the bottom end of the pressing plate B13, an inner diameter sleeve A4 is sleeved at the position of the inner surface of the outer diameter sleeve A3, a spring B14 is arranged at the position, a gap between a C15 and a 13 is arranged on the outer surfaces of the outer diameter sleeve A3 and the inner diameter sleeve A4, the sealing device is used for pressurizing the sealing platform 2, preventing the sealing platform 2 from loosening and influencing the sealing effect, a cam ring 12 is arranged at the middle position inside the extrusion sealing ring 17, a pressure plate D18 is arranged at the position, located at the upper end of the extrusion sealing ring 17, of the outer surface of the power shaft 9, an outer diameter sleeve B5 is arranged at the position, close to the outer surface, of the top end of the pressure plate D18, an outer sealing ring 20 is arranged at the position, close to the top end gap, of the sealing groove 16 and the power shaft 9, an outer sealing ring A7 is arranged at the position, located at the lower end of the outer sealing ring 20, of the outer surface of the power shaft 9, an inner diameter sleeve B6 is arranged at the position, close to the outer surface, of the bottom end of the pressure plate A7, an inner diameter sleeve B6 is sleeved at the position, of the inner surface of the outer diameter sleeve B6, a spring A11 is arranged at the position, located at the gap between the pressure plate D18 and the pressure plate A7, of the outer surfaces of the outer diameter sleeve B5 and the inner diameter sleeve B6, and is used for extruding sealing ring 17 to extrude the extrusion sealing ring 17 to extrude the sealing ring 17 and increase the sealing effect, the sealing effect is increased, and the top end of the pump body 1 is arranged at the outer sealing cover 8, the bottom end of the sealing cover 8 is connected to the upper end position of the pressing plate A7 through a connecting column 19.

Referring to fig. 1 and 3, the present invention provides a sealing device for a water pump with anti-loosening function, which comprises: a water pump sealing device with anti-loosening function comprises a pump body 1 and a power shaft 9, the power shaft 9 is sleeved at the middle position inside the pump body 1, a sealing groove 16 is arranged on the outer surface of the power shaft 9 inside the pump body 1, a sealing table 2 is arranged at the position, close to the bottom end, of the outer surface of the power shaft 9 inside the sealing groove 16, an extrusion sealing ring 17 is arranged at the position, close to the middle position, inside the extrusion sealing ring 17, a cam ring 12 is arranged at the middle position, a sealing ring 20 is arranged at the position, close to the top end, of the sealing groove 16 and the power shaft 9, a contraction spring A22 is arranged at the position, close to the outer surface of the power shaft 9 inside the outer sealing ring 20, an outer ring 21 is arranged at the position, close to the inner surface of the sealing groove 16, inside the outer sealing ring 20 is increased, and a sealing cover 8 is arranged at the outer surface of the power shaft 9 at the top end of the pump body 1, the bottom end of the sealing cover 8 is connected to the upper end position of the pressing plate A7 through a connecting column 19.

Referring to fig. 4, the present invention provides a sealing device for a water pump with anti-loosening function, which comprises: a water pump sealing device with anti-loosening function comprises a pump body 1 and a power shaft 9, the power shaft 9 is sleeved at the middle position inside the pump body 1, a sealing groove 16 is arranged on the outer surface of the power shaft 9 inside the pump body 1, a sealing table 2 is arranged at the position, close to the bottom end, of the outer surface of the power shaft 9 inside the sealing groove 16, a spring groove 24 is arranged at the position, close to the outer surface of the power shaft 9, inside the sealing table 2, a contraction spring B23 is arranged on the inner surface of the spring groove 24, the sealing effect of the sealing table 2 is improved, an extrusion sealing ring 17 is arranged at the middle position between the sealing groove 16 and the power shaft 9, a cam ring 12 is arranged at the middle position inside the extrusion sealing ring 17, an outer sealing ring 20 is arranged at the position, close to the top end, of the sealing groove 16 and the power shaft 9, a sealing cover 8 is arranged on the outer surface of the pump body 1, the bottom end of the sealing cover 8 is connected to the upper end of a pressing plate A7 through a connecting column 19, and sealing gaskets 10 are arranged on the inner surfaces of the inner diameter sleeve A4 and the inner diameter sleeve B6 and are positioned on the outer surface of the power shaft 9.

The working principle is as follows: will the utility model discloses after the installation, will through sealed lid 8 the utility model discloses be fixed in the 16 internal surfaces of seal groove, through spliced pole 19 extrusion clamp plate A7, through clamp plate A7, spring A11, internal diameter cover B6 and external diameter cover B5, extrusion clamp plate D18, through clamp plate D18 and clamp plate B13 extrusion seal circle 17, seal power shaft 9 through extrusion seal circle 17, simultaneously through clamp plate D18, spring B14, internal diameter cover A4 and external diameter cover A3, extrusion clamp plate C15, through clamp plate C15 extrusion seal platform 2, prevent that seal platform 2 is not hard up, increase the utility model discloses a sealed effect, to this moment, this equipment work flow is accomplished.

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 water pump sealing device with locking function, includes pump body (1) and power axle (9), its characterized in that: the utility model discloses a pump body, including pump body (1), power shaft (9) have been cup jointed to the inside intermediate position department of pump body (1), the inside power shaft (9) surface mounting that is located of pump body (1) has seal groove (16), seal groove (16) inside is located power shaft (9) surface and is close to bottom position department and installs sealed platform (2), seal groove (16) and power shaft (9) intermediate clearance position department install squeeze seal circle (17), squeeze seal circle (17) inside intermediate position department installs cam ring (12), seal groove (16) and power shaft (9) are close to top clearance position department and install outer seal ring (20), pump body (1) top is located power shaft (9) surface mounting and has sealed lid (8), sealed lid (8) bottom is connected in clamp plate A (7) upper end position department through spliced pole (19).

2. The water pump sealing device with the anti-loosening function according to claim 1, characterized in that: power shaft (9) surface is located seal table (2) upper end position department and installs clamp plate C (15), clamp plate C (15) top is close to surface position department and installs external diameter cover A (3), power shaft (9) surface is located extrusion sealing washer (17) lower extreme position department and installs clamp plate B (13), clamp plate B (13) bottom is close to surface position department and installs internal diameter cover A (4).

3. The water pump sealing device with the anti-loosening function according to claim 2, characterized in that: the inner diameter sleeve A (4) is sleeved on the inner surface of the outer diameter sleeve A (3), and the outer surfaces of the outer diameter sleeve A (3) and the inner diameter sleeve A (4) are provided with springs B (14) at the gap position between the pressing plate C (15) and the pressing plate B (13).

4. The water pump sealing device with the anti-loosening function according to claim 1, characterized in that: power shaft (9) surface is located extrusion sealing washer (17) upper end position department and installs clamp plate D (18), clamp plate D (18) top is close to the surface and installs external diameter cover B (5) for position department, power shaft (9) surface is located external seal ring (20) lower extreme position department and installs clamp plate A (7), clamp plate A (7) bottom is close to external surface position department and installs internal diameter cover B (6).

5. The sealing device of a water pump with anti-loosening function as claimed in claim 4, wherein: the inner diameter sleeve B (6) is sleeved at the inner surface of the outer diameter sleeve B (5), and the outer surfaces of the outer diameter sleeve B (5) and the inner diameter sleeve B (6) are provided with springs A (11) at the gap position between the pressing plate D (18) and the pressing plate A (7).

6. The water pump sealing device with the anti-loosening function according to claim 2, characterized in that: and sealing gaskets (10) are arranged on the inner surfaces of the inner diameter sleeve A (4) and the inner diameter sleeve B (6) and are positioned on the outer surface of the power shaft (9).

7. The water pump sealing device with the anti-loosening function according to claim 1, characterized in that: a spring groove (24) is formed in the position, close to the outer surface of the power shaft (9), in the sealing table (2), and a contraction spring B (23) is installed on the inner surface of the spring groove (24).

8. The water pump sealing device with the anti-loosening function according to claim 1, characterized in that: a contraction spring A (22) is installed at a position, close to the outer surface of the power shaft (9), inside the outer sealing ring (20), and an outer ring (21) is installed at a position, close to the inner surface of the sealing groove (16), inside the outer sealing ring (20).