CN214092293U

CN214092293U - Rear end cover for water pump

Info

Publication number: CN214092293U
Application number: CN202023210764.3U
Authority: CN
Inventors: 陈晓锋; 陶章春; 孙理敏; 吴少华; 谢文华
Original assignee: Jiangsu Shenda Casting Co ltd
Current assignee: Jiangsu Qinchuan Precision Industry Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-31
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to the technical field of the water pump is used, specifically disclose a rear end cap for water pump, including circular rear end cap body, and set up the circular spacing bulge loop at circular rear end cap body one side outer wall, and the symmetry sets up the fixed otic placode of a plurality of at circular spacing bulge loop outer wall, and set up the otic placode screw in the fixed otic placode of a plurality of respectively, and set up the circular spacing recess in circular rear end cap body one, and set up the spacing boss of circular cavity in circular spacing recess, and set up the strengthening rib circle at the spacing boss inner wall of circular cavity, and set up in circular rear end cap body another face and with the shaft hole that the spacing boss of circular cavity cooperateed and used. The beneficial effects of the utility model reside in that: reliable, stable equipment is accomplished between during assembly operation and front end housing, water pump main shaft etc. and overall structure reasonable in design, and the phenomenon of toughness reinforce, non-deformation, long service life has improved the work efficiency of water pump, reduces user's economic cost input, and the practicality is strong.

Description

Rear end cover for water pump

Technical Field

The utility model belongs to the technical field of the water pump is used, specifically relate to a rear end cap for water pump.

Background

The water pump is also called a water pump, and is a machine which is driven by an electric motor, a diesel engine and the like or water power and pumps water from a low place to a high place, namely a machine for conveying liquid or pressurizing the liquid.

The energy-saving device transmits mechanical energy or other external energy of a prime motor to liquid to increase the energy of the liquid, is mainly used for conveying the liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal and the like, and can also convey liquid, gas mixture and liquid containing suspended solids; 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 volume water pump, a vane pump and the like according to different working principles; the displacement pump transfers energy by using the change of the volume of a working chamber, and the vane pump transfers energy by using 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.

The rear end cover is a component of the water pump and is mainly used for being matched with the front end cover, the water pump main shaft and the like to finish efficient and stable assembly of the water pump main body. The existing water pump rear end cover, such as the rear end cover of a vacuum gas clear water transmission pump, is unreasonable in design, cannot be conveniently assembled between a front end cover and a water pump main shaft, is poor in toughness, easy to deform and short in service life, reduces the working efficiency during maintenance, and increases the economic cost rate.

Therefore, based on the above problem, the utility model provides a rear end cap for water pump.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a rear end cap for water pump can accomplish reliable, stable equipment during assembly operation between with front end housing, water pump main shaft etc. and overall structure reasonable in design, and toughness is strong, the phenomenon of no deformation, and long service life has improved the work efficiency of water pump, reduces user's economic cost and drops into, and the practicality is strong.

The technical scheme is as follows: the utility model provides a pair of rear end cap for water pump, including circular rear end cap body, and set up the circular spacing bulge loop at circular rear end cap body one side outer wall, and the symmetry sets up the fixed otic placode of a plurality of at circular spacing bulge loop outer wall, and set up the otic placode screw in the fixed otic placode of a plurality of respectively, and set up the circular spacing recess in circular rear end cap body one side, and set up the spacing boss of circular cavity in circular spacing recess, and set up the strengthening rib circle at the spacing boss inner wall of circular cavity, and set up in circular rear end cap body another side and with the shaft hole that the spacing boss of circular cavity cooperateed and used.

This technical scheme, the rear end cap for water pump still includes the circular strengthening rib circle that sets up at circular rear end cap body another side outer wall, and the symmetry sets up at circular rear end cap body another side outer wall and with a plurality of slope shape strengthening rib that circular strengthening rib circle cooperateed and uses.

According to the technical scheme, one surface of the reinforcing rib ring is of a slope surface structure.

According to the technical scheme, the diameter sizes of the circular limiting groove, the circular hollow limiting boss and the shaft hole are sequentially decreased progressively.

According to the technical scheme, the cast iron structure or the stainless steel structure is integrally formed on the circular rear end cover body, the circular limiting convex ring, the plurality of fixing lug plates, the circular limiting groove, the circular hollow limiting boss, the reinforcing rib ring, the shaft hole, the circular reinforcing rib ring and the plurality of slope-shaped reinforcing ribs.

Compared with the prior art, the utility model discloses a rear end cap for water pump's beneficial effect lies in: reliable, stable equipment can be accomplished between ability and front end housing, water pump main shaft etc. during the assembly operation, and overall structure reasonable in design, the phenomenon of toughness is strong, indeformable, long service life has improved the work efficiency of water pump, reduces user's economic cost input, and the practicality is strong.

Drawings

Fig. 1 is a schematic front sectional view of a rear end cover for a water pump according to the present invention;

fig. 2 is a left side view structural schematic diagram of a rear end cover for a water pump of the present invention;

fig. 3 is a right side view structure diagram of a rear end cover for a water pump of the present invention.

Detailed Description

The invention will be further elucidated with reference to the drawings and the specific embodiments.

Example one

As shown in fig. 1, fig. 2 and fig. 3, a rear end cover for a water pump, including circular rear end cover body 1, and set up the circular spacing flange 4 at circular rear end cover body 1 one side outer wall, and the symmetry sets up the fixed otic placode 2 of a plurality of at the 4 outer walls of circular spacing flange, and set up the otic placode screw 3 in the fixed otic placode 2 of a plurality of respectively, and set up the circular spacing recess 5 in circular rear end cover body 1 one side, and set up the spacing boss 6 of circular cavity in circular spacing recess 5, and set up the reinforcing rib circle 7 at the spacing boss 6 inner wall of circular cavity, and set up in circular rear end cover body 1 another side and with the spacing boss 6 shaft hole 8 that cooperatees and use of circular cavity.

Example two

As shown in figure 1 of the drawings, in which, fig. 2 and fig. 3 show a rear end cover for water pump, including circular rear end cover body 1, and set up the circular spacing protruding circle 4 at circular rear end cover body 1 one side outer wall, and the symmetry sets up the fixed otic placode 2 of a plurality of at the circular spacing protruding circle 4 outer wall, and set up the otic placode screw 3 in the fixed otic placode 2 of a plurality of respectively, and set up the circular spacing recess 5 in circular rear end cover body 1 one side, and set up the spacing boss 6 of circular cavity in circular spacing recess 5, and set up the strengthening rib circle 7 at the spacing boss 6 inner wall of circular cavity, and set up in circular rear end cover body 1 another side and cooperate with the shaft hole 8 that uses of circular cavity spacing boss 6, and put the circular strengthening rib circle 9 at circular rear end cover body 1 another side outer wall, and symmetry set up in circular rear end cover body 1 another side outer wall and cooperate with a plurality of slope shape strengthening rib 10 that uses with circular strengthening rib circle 9.

In the rear end cover for a water pump in the first or second structural embodiment, one surface of the reinforcing rib ring 7 is provided with a slope surface structure; the diameter sizes of the circular limiting groove 5, the circular hollow limiting boss 6 and the shaft hole 8 are sequentially decreased progressively; and the circular rear end cover body 1, the circular limiting convex ring 4, the plurality of fixing lug plates 2, the circular limiting groove 5, the circular hollow limiting boss 6, the reinforcing rib ring 7, the shaft hole 8, the circular reinforcing rib ring 9 and the plurality of slope-shaped reinforcing ribs 10 are of an integrally formed cast iron structure or stainless steel structure.

The rear end cover for the water pump of the first structural embodiment or the second structural embodiment can be reliably and stably assembled with the front end cover, the water pump main shaft and the like during assembly operation, is reasonable in overall structural design, strong in toughness, free of deformation and long in service life, improves the working efficiency of the water pump, reduces the economic cost input of a user, and is strong in practicability.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a rear end cover for water pump which characterized in that: including circular rear end housing body (1), and set up circular spacing bulge loop (4) at circular rear end housing body (1) one side outer wall, and the symmetry sets up fixed otic placode (2) of a plurality of at circular spacing bulge loop (4) outer wall, and otic placode screw (3) of setting in fixed otic placode (2) of a plurality of respectively, and set up circular spacing recess (5) in circular rear end housing body (1) one side, and set up circular spacing boss (6) of cavity in circular spacing recess (5), and set up at the reinforcing rib circle (7) of circular spacing boss (6) inner wall of cavity, and set up in circular rear end housing body (1) another side and cooperate shaft hole (8) of using with circular spacing boss (6) of cavity.

2. A rear end cover for a water pump according to claim 1, wherein: the rear end cover for the water pump further comprises a circular reinforcing rib ring (9) arranged on the outer wall of the other side of the circular rear end cover body (1) and a plurality of slope-shaped reinforcing ribs (10) which are symmetrically arranged on the outer wall of the other side of the circular rear end cover body (1) and matched with the circular reinforcing rib ring (9).

3. A rear end cover for a water pump according to claim 1, wherein: one side of the reinforcing rib ring (7) is provided with a slope surface structure.

4. A rear end cover for a water pump according to claim 1, wherein: the diameter sizes of the circular limiting groove (5), the circular hollow limiting boss (6) and the shaft hole (8) are sequentially decreased progressively.

5. A rear end cover for a water pump according to claim 2, wherein: the rear end cover is characterized in that the rear end cover is of an integrally formed cast iron structure or stainless steel structure consisting of a circular rear end cover body (1), a circular limiting convex ring (4), a plurality of fixing lug plates (2), a circular limiting groove (5), a circular hollow limiting boss (6), a reinforcing rib ring (7), a shaft hole (8), a circular reinforcing rib ring (9) and a plurality of slope-shaped reinforcing ribs (10).