CN217354871U

CN217354871U - Shock attenuation seal structure that water pump pivot was used

Info

Publication number: CN217354871U
Application number: CN202220703796.7U
Authority: CN
Inventors: 姜春新; 郑水华
Original assignee: Jiangsu Weierte Pump Co ltd
Current assignee: Jiangsu Weierte Pump Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-02
Anticipated expiration: 2032-03-29

Abstract

The utility model relates to a shock attenuation seal structure that water pump pivot was used in the water pump seal technical field, including the water pump body, one side of water pump body is provided with the sunction inlet, and the opposite side of water pump body is provided with the discharge port, and the bottom of water pump body is provided with the base, the center of water pump body vertically is provided with main pivot, the outside cover of main pivot is equipped with the pump body, it is provided with seal assembly still to cooperate between main pivot and the pump body, and this seal assembly suit is in the outside of main pivot, and this seal structure is effectual to the leakproofness and the shock resistance of water pump pivot that has increased, prevents to appear leaking gas or intaking scheduling problem in the course of the work, has increased the life of water pump body simultaneously.

Description

Shock attenuation seal structure that water pump pivot was used

Technical Field

The utility model relates to a water pump seal technical field, in particular to seal structure.

Background

The prior Chinese patent database discloses a water pump sealing device, and the patent application numbers are as follows: CN201520919849.9, filed as follows: 2015.11.18, publication No. CN205260409U, publication date: 2016.05.25, this utility model application discloses a water pump sealing device, including pump shaft and pump case, the pump case has the inner wall, the inner wall of pump case is pasted on the pump shaft, be provided with barb-like draw-in groove on the inner wall of pump case, the draw-in groove comprises vertical face and inclined plane, water pump sealing device still includes the sealing washer, the fixed joint of sealing washer is on the draw-in groove, and this utility model inner seal structure is unstable when using, and the dislocation appears easily in the inside structure after long-time the use for sealed effect descends.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the shortcoming that above prior art exists, provide a shock attenuation seal structure that water pump pivot was used, this seal structure is effectual to have increased leakproofness and the shock resistance to the water pump pivot, prevent to appear leaking gas or intaking scheduling problem in the course of the work, has increased the life of water pump body simultaneously.

The purpose of the utility model is realized like this: the utility model provides a shock attenuation seal structure that water pump pivot was used, includes water pump body (1), one side of water pump body (1) is provided with the sunction inlet, and the opposite side of water pump body (1) is provided with the discharge port, and the bottom of water pump body (1) is provided with base (2), the center of water pump body (1) vertically is provided with main pivot (3), the outside cover of main pivot (3) is equipped with the pump body, it is provided with seal assembly still to cooperate between main pivot (3) and the pump body, and this seal assembly suit is in the outside of main pivot (3).

When the utility model is installed, the second limit part (11) is arranged at the upper end of the first limit part (6), the lower end of the first limit part (6) is connected with the limit module (10), the second oil sealing ring (12) is arranged in the gap at the joint of the first limit part (6) and the limit module (10) and is fixed, the shock absorbing part (5) is embedded in the ladder of the sealing part (7) and limits and fixes the shock absorbing part (5) through the limit module (10), the first oil sealing ring (9) is arranged in the groove (8) of the sealing part (7) and is fixed, the third oil sealing ring (13) is arranged outside the second limit part (11) and limits and fixes through the upside pump body (4), so far, the upper seal assembly is installed, the lower seal assembly is installed in the same way, the assembled upper seal assembly and the lower seal assembly are hinged and fixed and sleeved outside the main rotating shaft (3) and are limited and fixed through the pump body, when the water pump body (1) is used, the sealing assembly effectively seals the main rotating shaft (3) to prevent an external water source or internal lubricating oil from entering and leaking, greatly prolongs the service life of the main rotating shaft (3) and improves the working efficiency, when the water pump body (1) works or shakes due to the influence of external force, the internal damping piece (5) can effectively buffer to prevent the sealing assembly from reducing the sealing effect due to shaking, meanwhile, when the main rotating shaft (3) rotates, the water pump body (1) will generate tiny vibration, at the moment, the damping piece (5) in the sealing component will abut against the lower end face of the limiting module (10) to prevent the limiting module (10) from generating displacement, and meanwhile, the damping piece (5) will generate tiny deformation, therefore, the damping effect is achieved, and meanwhile, the limiting effect on the limiting module (10) is not influenced.

The utility model has the advantages that: the utility model provides a shock attenuation seal structure that water pump pivot was used, this seal structure is effectual has increased leakproofness and the shock resistance to the water pump pivot, prevents to appear leaking gas or intaking scheduling problem in the course of the work, has increased the life of water pump body simultaneously.

As a further improvement of the utility model, the main rotating shaft (3) is conveniently and comprehensively sealed, and the phenomenon that the working efficiency is reduced or the work cannot be carried out due to air leakage or water leakage in the working process is prevented; the sealing assembly is provided with two sets ofly respectively and is last sealing assembly and lower sealing assembly, it includes damper (5), locating part and sealing member (7) to go up sealing assembly, sealing member (7) are irregular shape setting and inner wall cooperation main pivot (3) and predetermine recess (8), and this recess (8) fit in is provided with first oil sealing ring (9), the ladder has been preset on the top of sealing member (7), damper (5) embedding sets up in the ladder and the top of damper (5) still cooperates and is provided with spacing module (10).

As a further improvement of the utility model, the upper sealing component is convenient to fix and limit, and the upper sealing component is prevented from generating displacement in the working process; the limiting parts are provided with two sets of a first limiting part (6) and a second limiting part (11) respectively, the first limiting part (6) is arranged at the upper end of the limiting module (10), the second limiting part (11) is arranged at the upper end of the first limiting part (6), the bottom end of the first limiting part (6) is abutted to the upper end of the limiting module (10) and is provided with a gap, and a second oil sealing ring (12) is arranged in the gap in a matched mode.

As a further improvement of the utility model, in order to effectively ensure the leakage of the internal lubricating oil in the working process, the upper sealing component is convenient to limit; the joint of the outer side of the second limiting part (11) and the upper side pump body (4) is further provided with a third oil sealing ring (13) in a matching mode, the pump body is divided into the upper side pump body (4) and the lower side pump body (14), one side of the upper side pump body (4) is embedded into the joint face of the first limiting part (6) and the second limiting part (11) and is used for fixing and limiting the first limiting part (6) and the second limiting part (11).

As a further improvement of the utility model, in order to increase the sealing effect inside the water pump body (1), the working efficiency and the service life of the water pump body (1) are increased; the lower sealing assembly and the upper sealing assembly are of the same structure and are arranged opposite to the upper sealing assembly, the bottom end of the lower sealing assembly is connected with the base (2) and fixed and limited, and the upper sealing assembly and the lower sealing assembly are hinged, fixed and sleeved outside the main rotating shaft (3) for sealing.

As a further improvement of the utility model, in order to further increase the service life of the sealing component and simultaneously increase the sealing performance; the pump comprises a lower side pump body (14), a base (2), a sealing reinforcing plate (15) and a damping piece (5), wherein the lower side pump body (14) is arranged outside the base (2), the upper side pump body (4) and the lower side pump body (14) are integrally formed and matched with each other to form the sealing reinforcing plate, and the damping piece is a damping spring.

As a further improvement of the utility model, in order to improve the sealing effect inside the water pump body (1), double insurance is carried out at the same time; and a gap is reserved between the outer sides of the upper sealing assembly and the lower sealing assembly and the inner side of the sealing reinforcing plate (15), and the gap is hollow.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is an enlarged view of the upper seal assembly at a position a of the present invention.

The water pump comprises a water pump body 1, a base 2, a main rotating shaft 3, a pump body on the upper side 4, a damping part 5, a first limiting part 6, a sealing part 7, a groove 8, a first oil sealing ring 9, a limiting module 10, a second limiting part 11, a second oil sealing ring 12, a third oil sealing ring 13, a pump body on the lower side 14 and a sealing reinforcing plate 15.

Detailed Description

As shown in fig. 1-2, a damping seal structure for a water pump rotating shaft comprises a water pump body 1, wherein one side of the water pump body 1 is provided with a suction inlet, the other side of the water pump body 1 is provided with a discharge outlet, the bottom of the water pump body 1 is provided with a base 2, the center of the water pump body 1 is longitudinally provided with a main rotating shaft 3, the outer side of the main rotating shaft 3 is sleeved with a pump body, a seal assembly is also arranged between the main rotating shaft 3 and the pump body in a matching manner, the seal assembly is sleeved outside the main rotating shaft 3 and is provided with two groups of upper seal assembly and lower seal assembly respectively, the upper seal assembly comprises a damping piece 5, a limiting piece and a seal piece 7, the seal piece 7 is arranged in an irregular manner, the inner wall of the seal assembly is matched with the main rotating shaft 3 and is provided with a groove 8, a first oil seal ring 9 is arranged in the groove 8 in a matching manner, and the top end of the seal piece 7 is provided with a step in advance, the shock absorbing member 5 is embedded in the ladder, the top end of the shock absorbing member 5 is further provided with a limiting module 10 in a matching manner, the limiting members are provided with two groups of a first limiting member 6 and a second limiting member 11 respectively, the first limiting member 6 is arranged at the upper end of the limiting module 10, the second limiting member 11 is arranged at the upper end of the first limiting member 6, the bottom end of the first limiting member 6 is abutted against the upper end of the limiting module 10, a gap is reserved between the bottom end of the first limiting member 6 and the upper end of the limiting module 10, a second oil seal ring 12 is arranged in the gap in a matching manner, a third oil seal ring 13 is further arranged at the joint of the outer side of the second limiting member 11 and the upper side pump body 4 in a matching manner, the pump bodies are divided into an upper side pump body 4 and a lower side pump body 14, one side of the upper side pump body 4 is embedded in the joint of the first limiting member 6 and the second limiting member 11 and is used for fixing and limiting the first limiting member 6 and the second limiting member 11, the lower sealing assembly and the upper sealing assembly are of the same structure and are arranged opposite to the upper sealing assembly, the bottom of lower seal assembly meets and fixes spacingly with base 2, go up seal assembly and lower seal assembly articulated fixed and suit seal in the outside of main pivot 3, the downside pump body 14 sets up the outside of base 2, 4 downside pump bodies 14 integrated into one piece of upside pump bodies and cooperation are provided with sealed reinforcing plate 15, damper 5 is damping spring, it is interrupted to reserve between the outside of going up seal assembly and lower seal assembly and the inboard of sealed reinforcing plate 15, is the cavity setting in should being interrupted.

The utility model discloses the during operation: arranging a second limiting part 11 at the upper end of the first limiting part 6, connecting the lower end of the first limiting part 6 with a limiting module 10, arranging a second oil seal ring 12 in a gap at the joint of the first limiting part 6 and the limiting module 10 and fixing, embedding the shock absorbing part 5 in a ladder of the sealing part 7 and limiting and fixing the shock absorbing part 5 through the limiting module 10, arranging a first oil seal ring 9 in a groove 8 of the upper sealing part 7 and fixing, arranging a third oil seal ring 13 outside the second limiting part 11 and limiting and fixing through the upper pump body 4 until the installation of the upper sealing assembly is finished, arranging the lower sealing assembly in the same way, hinging and fixing the assembled upper sealing assembly and the lower sealing assembly and sleeving the upper sealing assembly outside the main rotating shaft 3 and limiting and fixing through the pump body, until the installation is finished, when the water pump body 1 is in use, sealing assembly will effectually seal main pivot 3, prevent that outside water source or inside lubricating oil from getting into and leaking, greatly improve main pivot 3's life and work efficiency, when water pump body 1 when the during operation or when rocking because of the influence of external force produces, inside damper 5 will effectually cushion, prevent that sealing assembly from reducing sealed effect because of rocking, main pivot 3 is when rotating simultaneously, water pump body 1 will produce little vibrations, damper 5 in the sealing assembly this moment will support the lower terminal surface of spacing module 10, prevent that spacing module 10 from producing the displacement, simultaneously damper 5 will produce extremely little deformation, thereby reach absorbing effect, do not influence the spacing effect to spacing module 10 simultaneously.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative labor, and these substitutions and modifications are all within the protection scope.

Claims

1. The utility model provides a shock attenuation seal structure that water pump rotating shaft was used, includes water pump body (1), one side of water pump body (1) is provided with the sunction inlet, and the opposite side of water pump body (1) is provided with the discharge port, and the bottom of water pump body (1) is provided with base (2), its characterized in that: a main rotating shaft (3) is longitudinally arranged in the center of the water pump body (1), a pump body is sleeved outside the main rotating shaft (3), a sealing assembly is further arranged between the main rotating shaft (3) and the pump body in a matched mode, and the sealing assembly is sleeved outside the main rotating shaft (3); the sealing assembly is provided with two groups of upper sealing assemblies and two groups of lower sealing assemblies, the upper sealing assemblies respectively comprise a shock absorption piece (5), a limiting piece and a sealing piece (7), the sealing piece (7) is irregularly arranged, a groove (8) is formed in the inner wall of the sealing piece in a matched mode with the main rotating shaft (3), a first oil sealing ring (9) is arranged in the groove (8) in a matched mode, a step is preset at the top end of the sealing piece (7), the shock absorption piece (5) is embedded in the step, and a limiting module (10) is further arranged at the top end of the shock absorption piece (5) in a matched mode; the limiting pieces are provided with two groups of first limiting pieces (6) and two groups of second limiting pieces (11), the first limiting pieces (6) are arranged at the upper ends of the limiting modules (10), the second limiting pieces (11) are arranged at the upper ends of the first limiting pieces (6), the bottom ends of the first limiting pieces (6) are abutted against the upper ends of the limiting modules (10) and are provided with gaps, and second oil seal rings (12) are arranged in the gaps in a matched mode; the pump is characterized in that a third oil sealing ring (13) is further arranged at the joint of the outer side of the second limiting piece (11) and the pump body in a matching mode, the pump body is divided into an upper side pump body (4) and a lower side pump body (14), and one side of the upper side pump body (4) is embedded into the joint face of the first limiting piece (6) and the second limiting piece (11) and used for fixing and limiting the first limiting piece (6) and the second limiting piece (11).

2. The shock-absorbing sealing structure for the water pump rotating shaft according to claim 1, characterized in that: the lower sealing assembly and the upper sealing assembly are of the same structure and are arranged opposite to the upper sealing assembly, the bottom end of the lower sealing assembly is connected with the base (2) and fixed and limited, and the upper sealing assembly and the lower sealing assembly are hinged, fixed and sleeved outside the main rotating shaft (3) for sealing.

3. The shock-absorbing sealing structure for the water pump rotating shaft according to claim 1, characterized in that: the pump body (14) is arranged outside the base (2), the pump body (14) on the lower side of the pump body (4) on the upper side is integrally formed and is provided with a sealing reinforcing plate (15) in a matching mode, and the damping piece (5) is a damping spring.

4. The vibration-damping sealing structure for the water pump rotating shaft according to claim 1 or 2, characterized in that: and a gap is reserved between the outer sides of the upper sealing assembly and the lower sealing assembly and the inner side of the sealing reinforcing plate (15), and the gap is hollow.