CN215334450U

CN215334450U - Oil seal for water pump of cleaning machine

Info

Publication number: CN215334450U
Application number: CN202121799282.8U
Authority: CN
Inventors: 张海鑫
Original assignee: Kunshan Xinhongshun Sealing Technology Co ltd
Current assignee: Kunshan Xinhongshun Sealing Technology Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-12-28
Anticipated expiration: 2031-08-03

Abstract

The utility model belongs to the technical field of oil seals, and particularly relates to an oil seal for a water pump of a cleaning machine, which comprises an outer oil seal body, wherein the lower edge of the outer oil seal body is connected with an outer lip, the outer lip is used for blocking ash at the lower end of the oil seal, the inner oil seal body is provided with an outer ring groove and an inner ring groove respectively, the lower end of the inner oil seal body is inserted into the outer ring groove, the upper edge of the inner oil seal body is connected with an ash blocking ring, the joint of the ash blocking ring and the inner oil seal body is positioned at the inner side of the inner ring groove, the diameter of the ash blocking ring is consistent with that of the upper end of the outer oil seal body, the ash blocking ring is used for blocking ash at the upper end of the oil seal, the inner lips are two, the two inner lips are respectively connected with the lower end of the inner wall of the outer oil seal body and the upper end of the inner wall of the inner oil seal body, and the inner lip is used for further blocking ash for the oil seal; according to the utility model, impurities such as dust and the like are effectively prevented from entering the inner wall of the oil seal through the arrangement of the dust blocking ring, the outer lip and the inner lip, so that the influence of the friction increase of the inner wall of the oil seal on the service life of the oil seal is avoided.

Description

Oil seal for water pump of cleaning machine

Technical Field

The utility model relates to the technical field of oil seals, in particular to an oil seal for a water pump of a cleaning machine.

Background

The oil blanket is a sealing member, and the water pump of the inside configuration of cleaning machine water pump just need use the oil blanket to seal up its inside lubricating oil and avoid lubricating oil to take place to leak, and current cleaning machine water pump is cup jointed at required axis body outside back with the oil blanket, and impurity such as the outside dust of lower extreme and upper and lower end gets into the oil blanket inside easily on the oil blanket, and impurity such as dust just increases the inside friction of oil blanket after getting into the oil blanket inside easily, and the life of oil blanket just shortens easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and the defects, and provides the oil seal for the water pump of the cleaning machine, which effectively prevents impurities such as dust from entering the inner wall of the oil seal through the arrangement of the dust blocking ring, the outer lip and the inner lip, so that the service life of the oil seal is prevented from being influenced by the friction increase of the inner wall of the oil seal.

In order to achieve the purpose, the adopted technical scheme is as follows:

an oil seal for a water pump of a cleaning machine, comprising:

the lower edge of the outer oil seal body is connected with an outer lip which is used for blocking dust at the lower end of the oil seal;

the inner oil seal body, the upper edge of the said outer oil seal body and upper edge of the inner oil seal body have outer annular groove and inner annular groove separately, the lower end of the said inner oil seal body inserts the inside of the said outer annular groove, the upper edge of the said inner oil seal body connects with the ash retaining ring, the said ash retaining ring locates at the inside of the said inner annular groove with the body junction of the inner oil seal, the said diameter of ash retaining ring is identical to the diameter of the upper end of the said outer oil seal body, the said ash retaining ring is the ash retaining of the upper end of the oil seal;

the inner lip, the inner lip is equipped with two, two the inner lip connect respectively in outer oil seal body inner wall lower extreme and the internal wall upper end of interior oil seal, the inner lip is used for further keeping off the ash for the oil blanket.

Preferably, outer oil blanket internal wall and the internal wall of interior oil blanket have connected gradually contact block one and contact block two from outer to interior, contact block one and contact block two all are located the interior lip is inboard, interior lip, contact block one and contact block two all are the annular.

Preferably, the inner diameters of the two inner lips, the two first contact blocks and the inner ends of the two second contact blocks are the same.

Preferably, springs are mounted at one ends, close to the inner side, of the inner walls of the outer ring groove and the inner ring groove.

Preferably, the inner edges of the outer oil seal body and the inner oil seal body are respectively embedded and fixed with outer reinforcing ribs and inner reinforcing ribs.

Preferably, the outer oil seal body is connected with the butt ring by the one end in leaning on, the inner oil seal body is opened by the one end in leaning on below with the butt ring annular that corresponds with the butt ring, the butt ring inserts inside the butt ring annular.

The utility model has the beneficial effects that: the oil seal is inserted into the outer part of the needed shaft body, because the lower edge of the outer oil seal body is connected with the outer lip and the upper edge of the inner oil seal body is connected with the dust blocking ring, the outer lip can block the impurities such as dust and the like outside the lower end of the oil seal, the dust blocking ring can block impurities such as dust and the like outside the upper end of the oil seal, and prevent the impurities such as dust and the like outside the upper end and the lower end of the oil seal from entering the inner wall of the oil seal, thereby better preventing the friction increase of the inner wall of the oil seal from influencing the service life of the oil seal, when the oil seal is inserted outside the needed shaft body, the first contact block and the second contact block are contacted with the outer wall of the needed shaft body, the inner lip can be contacted with the outer wall of the needed shaft body, the end of the inner lip close to the inner part is inclined outwards, the inner lip can block impurities such as dust and the like entering the oil seal from the upper end and the lower end of the oil seal, and the impurities such as dust and the like at the upper end and the lower end of the oil seal are prevented from entering the inner wall of the oil seal, thereby further better avoid the increase of the friction of oil blanket inner wall to influence the life of oil blanket.

Drawings

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic view of the overall front cross-sectional structure of the present invention;

fig. 3 is a schematic diagram of a partially enlarged structure in fig. 2 according to the present invention.

The labels in the figure are: the oil seal structure comprises an outer oil seal body 101, outer reinforcing ribs 102, an outer lip 103, an inner lip 104, a first contact block 105, a second contact block 106, an outer ring groove 107, a spring 108, an inner oil seal body 109, inner reinforcing ribs 110, a dust blocking ring 111, an inner ring groove 112, an abutting ring groove 113 and an abutting ring 114.

Detailed Description

As shown in fig. 1 to 3, the present application is an oil seal for a water pump of a cleaning machine, including an outer oil seal body 101, an inner oil seal body 109 and an inner lip 104, the lower edge of the outer oil seal body 101 is connected with the outer lip 103, the outer lip 103 is used for blocking ash at the lower end of the oil seal, the upper edge of the outer oil seal body 101 and the upper edge of the inner oil seal body 109 are respectively provided with an outer ring groove 107 and an inner ring groove 112, the lower end of the inner oil seal body 109 is inserted into the outer ring groove 107, the upper edge of the inner oil seal body 109 is connected with an ash blocking ring 111, the joint of the ash blocking ring 111 and the inner oil seal body 109 is located inside the inner ring groove 112, the diameter of the ash blocking ring 111 is consistent with the diameter of the upper end of the outer oil seal body 101, the ash blocking ring 111 is used for blocking ash at the upper end of the oil seal, the oil seal is inserted into the outer ring groove 107 of the outer oil seal body 101, the inner oil seal body 109 is in interference fit with the outer oil seal body 101, therefore, the inner oil seal body 109 and the outer oil seal body 101 are connected more tightly, the outer lip 103 is connected to the lower edge of the outer oil seal body 101, the dust blocking ring 111 is connected to the upper edge of the inner oil seal body 109, the outer lip 103 can block impurities such as dust outside the lower end of the oil seal, the dust blocking ring 111 can block impurities such as dust outside the upper end of the oil seal, the impurities such as dust outside the upper end and the lower end of the oil seal are prevented from entering the inner wall of the oil seal, and therefore the service life of the oil seal is better prevented from being influenced by friction increase of the inner wall of the oil seal;

the inner wall of the outer oil seal body 101 and the inner wall of the inner oil seal body 109 are sequentially connected with a first contact block 105 and a second contact block 106 from outside to inside, the first contact block 105 and the second contact block 106 are positioned on the inner side of the inner lip 104, the first contact block 105 and the second contact block 106 are annular, the inner diameters of the two inner lips 104, the two first contact blocks 105 and the inner ends of the two second contact blocks 106 close to the inner part are consistent, springs 108 are mounted at the inner ends of the inner walls of the outer ring groove 107 and the inner ring groove 112, the two inner lips 104 are arranged on the inner lip 104, the two inner lips 104 are respectively connected to the lower end of the inner wall of the outer oil seal body 101 and the upper end of the inner wall of the inner oil seal body 109, the inner lip 104 is used for further blocking dust for oil seal, when the shaft body required for oil seal is inserted outside, the first contact block 105 and the second contact block 106 are contacted with the outer wall of the required shaft body, and the inner lip 104 can be contacted with the outer wall of the required shaft body, one end of the inner lip 104 close to the inner part is inclined outwards, and the inner lip 104 can block impurities such as dust and the like entering the oil seal from the upper end and the lower end of the oil seal at the moment, so that the impurities such as the dust and the like at the upper end and the lower end of the oil seal are prevented from entering the inner wall of the oil seal, and the influence on the service life of the oil seal caused by the friction increase of the inner wall of the oil seal is further avoided;

a user can fill lubricating oil in the position between the first contact block 105 and the second contact block 106, so that the friction between the first contact block 105, the second contact block 106 and a required shaft body is reduced, the friction between the inner wall of the oil seal and the required shaft body is effectively reduced, and the service life of the oil seal is prolonged to a certain extent;

outer reinforcing ribs 102 and inner reinforcing ribs 110 are respectively embedded and fixed at the inner edges of the outer oil seal body 101 and the inner oil seal body 109, the stability of the oil seal can be effectively enhanced through the arrangement of the outer reinforcing ribs 102 and the inner reinforcing ribs 110, and the sealing effect of the oil seal is prevented from being influenced due to too serious deformation of the oil seal;

the one end of leaning on interior above the outer oil blanket body 101 is connected with butt ring 114, the one end of leaning on interior below the interior oil blanket body 109 is opened has the butt annular 113 that corresponds with butt ring 114, butt ring 114 inserts inside the butt annular 113, insert the inside back of outer ring recess 107 at interior oil blanket body 109 lower extreme, butt ring 114 alright in the butt inside at butt annular 113, butt ring 114 set up alright with the effectual gap of avoiding getting into between the outer oil blanket body 101 and the interior oil blanket body 109 influence the connection of outer oil blanket body 101 and interior oil blanket body 109, strengthened the stability of being connected between outer oil blanket body 101 and the interior oil blanket body 109 to a certain extent.

Claims

1. The utility model provides an oil blanket for cleaning machine water pump which characterized in that includes:

the lower edge of the outer oil seal body (101) is connected with an outer lip (103), and the outer lip (103) is used for blocking dust at the lower end of an oil seal;

the oil seal structure comprises an inner oil seal body (109), wherein an outer ring groove (107) and an inner ring groove (112) are respectively formed in the upper edge of the outer oil seal body (101) and the upper edge of the inner oil seal body (109), the lower end of the inner oil seal body (109) is inserted into the outer ring groove (107), an ash blocking ring (111) is connected to the upper edge of the inner oil seal body (109), the joint of the ash blocking ring (111) and the inner oil seal body (109) is located on the inner side of the inner ring groove (112), the diameter of the ash blocking ring (111) is consistent with that of the upper end of the outer oil seal body (101), and the ash blocking ring (111) is used for blocking ash at the upper end of an oil seal;

interior lip (104), interior lip (104) are equipped with two, two interior lip (104) connect respectively in outer oil seal body (101) inner wall lower extreme and interior oil seal body (109) inner wall upper end, interior lip (104) are used for further keeping off the ash for the oil blanket.

2. The oil seal for the water pump of the cleaning machine as claimed in claim 1, wherein: outer oil blanket body (101) inner wall and interior oil blanket body (109) inner wall have connected gradually contact block one (105) and contact block two (106) from outer to interior, contact block one (105) and contact block two (106) all are located interior lip (104) are inboard, interior lip (104), contact block one (105) and contact block two (106) all are the annular.

3. The oil seal for the water pump of the cleaning machine as claimed in claim 2, wherein: the inner diameters of the two inner lips (104), the two first contact blocks (105) and the inner ends of the two second contact blocks (106) are consistent.

4. The oil seal for the water pump of the cleaning machine as claimed in claim 1, wherein: and springs (108) are mounted at the inner ends of the inner walls of the outer ring groove (107) and the inner ring groove (112).

5. The oil seal for the water pump of the cleaning machine as claimed in claim 1, wherein: and outer reinforcing ribs (102) and inner reinforcing ribs (110) are respectively embedded and fixed at the inner edges of the outer oil seal body (101) and the inner oil seal body (109).

6. The oil seal for the water pump of the cleaning machine as claimed in claim 1, wherein: the one end of leaning on interior above the outer oil seal body (101) is connected with butt ring (114), the one end of leaning on interior below interior oil seal body (109) is opened has butt annular (113) that correspond with butt ring (114), butt ring (114) insert inside butt annular (113).