CN211202394U

CN211202394U - Automobile water pump bearing mandrel with key grooves at two ends

Info

Publication number: CN211202394U
Application number: CN201921628513.1U
Authority: CN
Inventors: 肖国毅; 张庆忠; 曾利秀
Original assignee: Shaoxing Pulitzer Machinery Co ltd
Current assignee: Shaoxing Pulitzer Machinery Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-08-07
Anticipated expiration: 2029-09-27

Abstract

The utility model belongs to the technical field of water pump dabber technique and specifically relates to a car water pump bearing dabber in keyway is taken at both ends, including the dabber body, the tip of dabber body is the path end of assembly impeller, the tip of path end is provided with first installation department, first keyway has been seted up to the lateral wall of path end, first ball groove and second ball groove have been seted up from top to bottom in proper order at the middle part of dabber body, the lateral wall at dabber body middle part is provided with the skid resistant course, the skid resistant course sets up the upper and lower both sides in first ball groove and second ball groove, the bottom of dabber body is the major diameter end of assembly belt pulley, the bottom of major diameter end is provided with the second installation department, the second keyway has been seted up to the lateral wall of major diameter end, compares with current car water pump bearing dabber, the utility model discloses a design can promote the economic nature of car water pump bearing dabber, Safety, stability, life, simple operation and practicality.

Description

Automobile water pump bearing mandrel with key grooves at two ends

Technical Field

The utility model relates to a water pump dabber technical field specifically is a car water pump bearing dabber of key groove is taken at both ends.

Background

Because of the progress of the present society, along with the general promotion of the living conditions of people, the automobile becomes an indispensable part of domestic living varieties, the automobile water pump is the most important part in the automobile, the automobile water pump bearing mandrel is one of the most important devices of the water pump, the hardness and the durability of the mandrel are particularly important, in the existing automobile water pump bearing mandrel, most of the structures are simpler, the installation stability is poorer, the mandrel is easy to loosen and cause faults in the long-term use process, the whole service life is generally lower, the existing automobile water pump mandrel basically has lower use stability, the connection mode is simpler, the whole safety, the economy, the stability and the practicability are generally not high, therefore, for the improvement of the existing automobile water pump bearing mandrel, a novel automobile water pump bearing mandrel with key grooves at two ends is designed to change the technical defects, the practicability of the whole automobile water pump bearing mandrel is improved, and the method is very important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile water pump bearing dabber of both ends area keyway to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automobile water pump bearing dabber in keyway is taken at both ends, includes the dabber body, the tip of dabber body is the path end of assembly impeller, the tip of path end is provided with first installation department, first keyway has been seted up to the lateral wall of path end, first ball groove and second ball groove have been seted up from top to bottom in proper order at the middle part of dabber body, the lateral wall at dabber body middle part is provided with the skid resistant course, the skid resistant course sets up the upper and lower both sides in first ball groove and second ball groove, the big footpath end of bottom for assembling the belt pulley of dabber body, the bottom of big footpath end is provided with the second installation department, the second keyway has been seted up to the lateral wall of big footpath end.

Preferably, the surface of the anti-slip layer is provided with a plurality of fine particles.

Preferably, the inner side walls of the first mounting part and the second mounting part are both designed to be arc-shaped structures.

Preferably, the first ball groove and the second ball groove have the same size and structure, and the first ball groove and the second ball groove are both designed to have circular arc structures.

Preferably, the whole mandrel body is made of high-carbon chromium bearing steel.

Preferably, the outer surface of the bearing body is coated with an anti-corrosive coating.

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

1. the utility model discloses in, through the design of first keyway and second keyway for the dabber main part is to the more convenient stability of the installation of impeller and belt pulley, utilizes the parallel key to carry out the joint to the first keyway of path end and the second keyway of path end, increases the overall stability of dabber, can not cause the pine to take off in long-time use yet, and is higher to holistic security of water pump and economic nature.

2. The utility model discloses in, through the design of skid resistant course for the dabber with the bearing is inside through the ball in first ball groove and second ball inslot internal connection, the inseparable laminating of skid resistant course and bearing inner wall, increase frictional force, the effect of a plurality of tiny granules in surface, make dabber and the holistic stability of bearing strengthen greatly, the dabber is difficult for the skew that drops in inside more, security, economic nature and practicality are higher.

3. The utility model discloses in, the surface coating through the bearing body has anticorrosive coating's design, has increased the holistic corrosion resistance of dabber, under the inside long-term adverse circumstances's of water pump operating condition, life obtains promoting greatly, and whole economic nature is higher.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

fig. 3 is a sectional view of the overall structure of the present invention.

In the figure: 1-mandrel body, 2-small-diameter end, 3-first mounting part, 4-first key groove, 5-first ball groove, 6-second ball groove, 7-anti-slip layer, 8-large-diameter end, 9-second mounting part and 10-second key groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a bearing mandrel of an automobile water pump with keyways at two ends comprises a mandrel body 1, the whole mandrel body 1 is made of high-carbon chromium bearing steel, an anticorrosive coating is coated on the outer surface of the bearing body 1, the corrosion resistance of the whole mandrel is improved through the design that the anticorrosive coating is coated on the outer surface of the bearing body 1, the service life is greatly prolonged under the working state of long-term severe environment in the water pump, the whole economy is higher, the end part of the mandrel body 1 is a small-diameter end 2 for assembling an impeller, the end part of the small-diameter end 2 is provided with a first installation part 3, the outer side wall of the small-diameter end 2 is provided with a first keyway 4, the middle part of the mandrel body 1 is sequentially provided with a first ball groove 5 and a second ball groove 6 from top to bottom, the first ball groove 5 and the second ball groove 6 are identical in size and structure, and the interiors of the first ball groove 5 and the second ball groove 6 are both arc-shaped structural designs, the outer side wall of the middle part of the mandrel body 1 is provided with an anti-skid layer 7, the surface of the anti-skid layer 7 is provided with a plurality of fine particles, the anti-skid layer 7 is arranged on the upper side and the lower side of the first ball groove 5 and the second ball groove 6, the anti-skid layer 7 is designed to enable the interiors of the mandrel and the bearing to be connected through balls in the first ball groove 5 and the second ball groove 6, the anti-skid layer 7 is closely attached to the inner wall of the bearing, friction force is increased, the effect of the plurality of fine particles on the surface is achieved, the stability of the whole mandrel and the bearing is greatly enhanced, the mandrel is not easy to fall off and deviate in the interior, safety, economy and practicability are high, the bottom of the mandrel body 1 is a large-diameter end 8 of an assembly belt pulley, the bottom of the large-diameter end 8 is provided with a second installation part 9, the inner side walls of the first installation part 3 and the second installation part 9 are, through the design of first keyway 4 and second keyway 10 for dabber main part 1 is more convenient stable to the installation of impeller and belt pulley, utilizes the parallel key to carry out the joint to the first keyway 4 of minor diameter end 2 and the second keyway 10 of major diameter end 8, increases the overall stability of dabber, also can not cause the pine to take off in long-time use, and is higher to holistic security of water pump and economic nature.

The utility model discloses work flow: when the automobile water pump bearing mandrel with the key grooves at two ends is used, firstly, the mandrel body 1 is fixedly connected with the balls in the bearing through the first ball groove 5 and the second ball groove 6 in the middle in a clamping manner, the first key groove 4 of the small-diameter end 2 is assembled with the impeller in a clamping manner through the flat key, the second key groove 10 of the large-diameter end 8 is assembled with the belt pulley in a clamping manner through the flat key, the first connecting part 3 of the small-diameter end 2 and the second connecting part 9 of the large-diameter end 8 are both in arc-shaped structural design and are more easily sleeved, the whole operation process is simple and convenient, the corrosion resistance of the whole mandrel is improved through the design that the outer surface of the bearing body 1 is coated with the anti-corrosion coating, the service life is greatly prolonged under the working state of long-term severe environment in the water pump, the whole economy is higher, through the design of the anti-skid layer 7, the mandrel and the inside of the bearing are connected through the balls in the first ball groove 5 and the second ball groove 6, the anti-skid layer 7 is combined with the close attachment of the inner wall of the bearing, the friction force is increased, the effect of a plurality of fine particles on the surface is realized, the stability of the mandrel and the whole bearing is greatly enhanced, the mandrel is more difficult to fall off and deviate in the inner part, the safety, the economical efficiency and the practicability are higher, the mandrel main body 1 is more convenient and stable to the installation of the impeller and the belt pulley through the design of the first key groove 4 and the second key groove 10, the flat key is utilized to clamp the first key groove 4 of the small-diameter end 2 and the second key groove 10 of the large-diameter end 8, the integral stability of the mandrel is increased, the mandrel can not be loosened in the long-time use process, the safety and the economical efficiency of the whole water pump are higher, and compared with the existing bearing mandrel of the automobile water pump, the utility model discloses an economical efficiency, a safety, a stability and a service life of, Convenience of operation and practicality.

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 an automobile water pump bearing dabber of keyway is taken at both ends, includes dabber body (1), its characterized in that: the tip of dabber body (1) is for assembling footpath end (2) of impeller, the tip of footpath end (2) is provided with first installation department (3), first keyway (4) have been seted up to the lateral wall of footpath end (2), first ball groove (5) and second ball groove (6) have been seted up from top to bottom in proper order to the middle part of dabber body (1), the lateral wall at dabber body (1) middle part is provided with skid resistant course (7), skid resistant course (7) set up the upper and lower both sides in first ball groove (5) and second ball groove (6), the bottom of dabber body (1) is for assembling big footpath end (8) of belt pulley, the bottom of big footpath end (8) is provided with second installation department (9), second keyway (10) have been seted up to the lateral wall of big footpath end (8).

2. The automobile water pump bearing mandrel with the key grooves at two ends as claimed in claim 1, wherein: the surface of the anti-skid layer (7) is provided with a plurality of fine particles.

3. The automobile water pump bearing mandrel with the key grooves at two ends as claimed in claim 1, wherein: the inner side walls of the first mounting part (3) and the second mounting part (9) are both designed to be arc-shaped structures.

4. The automobile water pump bearing mandrel with the key grooves at two ends as claimed in claim 1, wherein: the ball bearing is characterized in that the first ball groove (5) and the second ball groove (6) are identical in size and structure, and the first ball groove (5) and the second ball groove (6) are both designed to be of circular arc-shaped structures.

5. The automobile water pump bearing mandrel with the key grooves at two ends as claimed in claim 1, wherein: the mandrel body (1) is integrally made of high-carbon chromium bearing steel.

6. The automobile water pump bearing mandrel with the key grooves at two ends as claimed in claim 1, wherein: the outer surface of the mandrel body (1) is coated with an anticorrosive coating.