Water pump motor shell assembly structure and water pump

Abstract

The utility model provides a water pump motor housing assembling structure comprising a main housing, one end of the main housing is an open structure, and the inner wall and the outer wall of the main housing are respectively provided with an outer connecting ring and an inner connecting ring; the end face sealing shell comprises a sealing shell body and a first sealing piece, and the sealing shell body extends into the main shell body from one end of the main shell body; the assembling part comprises an assembling ring, a connecting rod and a second sealing part, the assembling ring and the second sealing part are connected through the connecting rod, the main shell is inserted into the assembling ring, the assembling ring is connected with the outer connecting ring, and the part, located on the outer side of the main shell, of the sealing shell is inserted into the second sealing part. A double-layer sealing structure is achieved through the first sealing piece and the second sealing piece, the sealing effect between the end face sealing shell and the main shell is enhanced, and the sealing effect between the end face sealing shell and the main shell is enhanced while the connecting strength of the end face sealing shell and the main shell is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water pump technical field especially relates to a water pump motor casing assembly structure and water pump. BACKGROUND

[0002] Water pump is the mechanical of conveying liquid or making liquid pressure, usually water pump adopts motor drive mainly, the area for storing water pump motor is water pump motor casing part, generally this part casing adopts detachable structure, in order to facilitate the internal motor of water pump to be disassembled and maintained.

[0003] Usually water pump motor casing adopts assembly structure to need to satisfy certain sealing effect, avoids the influence of external environment to internal motor, for example, submersible water pump needs entire unit to dive into water and work when using, and the water pump motor casing assembly structure in prior art is simple in structure, and the sealing effect is insufficient, and cannot cope with the need of high sealing effect. UTILITY MODEL CONTENTS

[0004] The utility model provides a water pump motor casing assembly structure, aims at solving the current water pump motor casing assembly structure simple structure, and the sealing effect is insufficient, and the problem of the need of high sealing effect cannot be coped with.

[0005] The utility model is realized in this way, a water pump motor casing assembly structure, comprising:

[0006] Main casing, one end of the main casing is open structure, and the inner wall and the outer wall of the main casing are respectively provided with outer connecting ring and inner connecting ring;

[0007] End face sealing shell, the end face sealing shell includes sealing shell body and first sealing element arranged at the end of the sealing shell body, the sealing shell body extends into the inside of the main casing from one end of the main casing, and the sealing shell body forms a layer of sealing structure with the inner connecting ring through the first sealing element;

[0008] Assembly part, the assembly part includes assembly ring, connecting rod and second sealing element, the assembly ring and the second sealing element are connected through the connecting rod, the main casing is inserted into the assembly ring, the assembly ring is connected with the outer connecting ring, the part of the sealing shell body located on the outside of the main casing is inserted into the second sealing element, and the second sealing element performs two-layer sealing on the gap between the sealing shell body and the main casing.

[0009] Preferably, the end face adjacent to the assembly ring of the second sealing element is provided with outer sealing ring and inner sealing ring, the side wall of the main casing is inserted between the outer sealing ring and the inner sealing ring, and the inner sealing ring fills the gap between the sealing shell body and the main casing.

[0010] Preferably, the end of the sealing shell away from the main casing is provided with a limiting protrusion, and the limiting protrusion is inserted into the limiting hole arranged on the second sealing element.

[0011] Preferably, the limiting hole adopts a special-shaped hole structure, and the cross section of the limiting protrusion adopts a special-shaped structure matched with the limiting hole.

[0012] Preferably, the first sealing member comprises a fixing ring and a sealing ring, the fixing ring is connected with the inner connecting ring, and the sealing ring is inserted into the inner connecting ring.

[0013] Preferably, the assembling ring is provided with a fixing screw hole, the outer connecting ring is provided with a screw hole matched with the fixing screw hole, and the assembling ring and the outer connecting ring are fixedly connected through a bolt arranged along the axial direction of the assembling ring.

[0014] Preferably, the outer wall of the sealing shell is provided with an inner supporting ring, and the inner sealing ring is in contact with the side wall of the inner supporting ring.

[0015] A water pump comprises the water pump motor shell assembly structure.

[0016] Compared with the prior art, the embodiment of the application has the following beneficial effects:

[0017] The water pump motor shell assembly structure provided by the utility model realizes secondary connection on the basis of the primary connection between the end face sealing shell and the main shell, realizes a double-layer sealing structure through the first sealing member and the second sealing member, enhances the sealing effect between the end face sealing shell and the main shell, and enhances the connection strength of the end face sealing shell and the main shell while enhancing the sealing effect between the end face sealing shell and the main shell. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structure schematic view of a water pump motor shell assembly structure provided by the utility model.

[0019] Figure 2 is a structure schematic view of a water pump motor shell assembly structure provided by the utility model.

[0020] Figure 3 is a structure schematic view of a water pump motor shell assembly structure provided by the utility model.

[0021] Figure 4 is a structure schematic view of a water pump motor shell assembly structure provided by the utility model.

[0022] Figure 5 is a structure schematic view of a water pump motor shell assembly structure provided by the utility model.

[0023] Figure 6It is the assembling piece structure schematic diagram of the water pump motor casing assembly structure provided by the utility model.

[0024] Figure 7 It is the end face structure schematic diagram of the end face sealing shell of the water pump motor casing assembly structure provided by the utility model.

[0025] Mark explanation:

[0026] 100, main casing; 101, outer connecting ring; 102, inner connecting ring; 103, end face ring;

[0027] 200, assembling piece; 210, assembling ring; 220, connecting rod; 230, second sealing piece; 231, outer sealing ring; 232, inner sealing ring; 233, first connecting surface; 234, second connecting surface;

[0028] 300, end face sealing shell; 310, sealing shell body; 320, first sealing piece; 321, fixed ring; 322, sealing ring; 330, inner support ring; 340, limiting protrusion. Specific implementation

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the description and claims of this application as well as the above discussion of the related art are intended to be illustrative only and not restrictive; the terminology used in the description and the claims of this application as well as the above discussion of the related art will be understood by those of ordinary skill in the art in view of the detailed description of the application and will not be construed as limiting the application; the terms "comprising," "having," "including," and "containing" used in the description and the claims of this application as well as the above discussion of the related art are to be construed as open-ended terms (i.e., meaning "including, but not limited to," one of ordinary skill in the art will understand that these terms are intended to cover the process(s) and / or object(s) substantially or comprised of a combination of elements omitting only cases that are not possible), unless otherwise indicated herein.

[0030] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily all directed to the same embodiments, or alternative or alternative embodiments.

[0031] The utility model embodiment provides a kind of water pump motor casing assembly structure, as shown in Figures 1-7 The water pump motor casing assembly structure includes:

[0032] The main shell 100 is open at one end, and the inner wall and outer wall of the main shell 100 are respectively provided with an outer connecting ring 101 and an inner connecting ring 102; the main shell 100 is a water pump shell, and the main shell 100 is further provided with a water inlet and a water outlet at the end away from the open end (not shown in the figure); the main shell 100 is internally arranged with a motor, a worm gear and other commonly used components of a water pump (not shown in the figure), and the open end of the main shell 100 is used as a port for disassembling and maintaining the motor part.

[0033] The end face sealing shell 300 includes a sealing shell 310 and a first sealing member 320 arranged at the end of the sealing shell 310, the sealing shell 310 extends into the main shell 100 from one end of the main shell 100, and the sealing shell 310 forms a sealed structure with the inner connecting ring 102 through the first sealing member 320; the end face sealing shell 300 cooperates with the main shell 100 to form a closed area to protect the motor assembly in the main shell 100, and the end face sealing shell 300 itself also serves as a motor assembly containing area, part of the motor assembly structure extends into the end face sealing shell 300, and part of the motor assembly can be directly exposed outside after the end face sealing shell 300 is removed, thereby facilitating equipment maintenance operation;

[0034] The assembly 200 includes an assembly ring 210, a connecting rod 220 and a second sealing member 230, the assembly ring 210 and the second sealing member 230 are connected through the connecting rod 220, the main shell 100 is inserted into the assembly ring 210, the assembly ring 210 is connected with the outer connecting ring 101, and the part of the sealing shell 310 located outside the main shell 100 is inserted into the second sealing member 230, and the second sealing member 230 performs two-layer sealing on the gap between the sealing shell 310 and the main shell 100.

[0035] The end face of the second sealing member 230 adjacent to the assembly ring 210 is provided with an outer sealing ring 231 and an inner sealing ring 232, the side wall of the main shell 100 is inserted between the outer sealing ring 231 and the inner sealing ring 232, and the inner sealing ring 232 fills the gap between the sealing shell 310 and the main shell 100;

[0036] In the embodiment, the end face of the second sealing member 230 adjacent to the assembly ring 210 is provided with an outer sealing ring 231 and an inner sealing ring 232, the side wall of the main shell 100 is inserted between the outer sealing ring 231 and the inner sealing ring 232, and the inner sealing ring 232 fills the gap between the sealing shell 310 and the main shell 100. The sealing structure principle mainly relies on rubber sealing;

[0037] In the embodiment, the assembly 200 acts between the end face sealing shell 300 and the main shell 100, realizes secondary connection on the basis of primary connection of the end face sealing shell 300 and the main shell 100, and realizes double-layer sealing structure through the first sealing member and the second sealing member 230, thereby enhancing the sealing effect between the end face sealing shell 300 and the main shell 100, and enhancing the connection strength of the end face sealing shell 300 and the main shell 100 while enhancing the sealing effect between the end face sealing shell 300 and the main shell 100;

[0038] As a preferred embodiment in the embodiment, the sealing shell 310 is provided with a limiting protrusion 340 at one end away from the main shell 100, the limiting protrusion 340 is inserted into a limiting hole provided on the second sealing member 230, the end face of the main shell 100 is provided with an end face ring 103, and the inner diameter of the end face ring 103 is greater than the inner diameter of the main shell 100, so as to facilitate insertion of the outer sealing ring 231 and the inner sealing ring 232;

[0039] In the embodiment, the second sealing member 230 is provided with a stepped structure inside, and forms a first connecting surface 233 and a second connecting surface 234, the first connecting surface 233 abuts against the sealing shell 310 on the ring side of the limiting protrusion 340, the outer wall of the sealing shell 310 is provided with an inner supporting ring 330, the inner wall of the inner sealing ring 232 is in contact connection with the side wall of the inner supporting ring 330, and the second connecting surface 234 abuts against the end face of the inner supporting ring 330;

[0040] In the embodiment, the limiting hole adopts a special-shaped hole structure, and the limiting protrusion 340 adopts a special-shaped structure matched with the limiting hole in cross section;

[0041] As a preferred embodiment in the embodiment, the first sealing member 320 comprises a fixed ring 321 and a sealing ring 322, the fixed ring 321 is connected with the inner connecting ring 102, and the sealing ring 322 is inserted into the inner connecting ring 102;

[0042] As a preferred embodiment in the embodiment, the assembly ring 210 is provided with a fixed screw hole, the outer connecting ring 101 is provided with a screw hole matched with the fixed screw hole, the assembly ring 210 is fixedly connected with the outer connecting ring 101 through a bolt arranged along the axial direction of the assembly ring 210, and the connection between the inner connecting ring 102 and the fixed ring 321 adopts the same mode;

[0043] The utility model also provides a water pump, the water pump includes water pump motor casing assembly structure as above.

[0044] It should be noted that for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the described action sequence, because according to the present application, certain steps can be performed in other order or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0045] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete or make other adjustments to the features in each embodiment of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of protection of the present application.

Claims

1. A water pump motor housing assembly structure, characterized in that, The utility model relates to a water pump motor casing assembly structure, which comprises the following parts: a main casing (100), one end of the main casing (100) being open, an outer connecting ring (101) and an inner connecting ring (102) being arranged on the inner wall and the outer wall of the main casing (100) respectively; an end face sealing casing (300), the end face sealing casing (300) comprising a sealing casing body (310) and a first sealing element (320) arranged at the end of the sealing casing body (310), the sealing casing body (310) extending into the inside of the main casing (100) from one end of the main casing (100), and the sealing casing body (310) and the inner connecting ring (102) forming a layer of sealing structure through the first sealing element (320); an assembly part (200), the assembly part (200) comprising an assembly ring (210), a connecting rod (220) and a second sealing element (230), the assembly ring (210) and the second sealing element (230) being connected through the connecting rod (220), the main casing (100) being inserted into the assembly ring (210), the assembly ring (210) being connected with the outer connecting ring (101), and the part of the sealing casing body (310) located outside the main casing (100) being inserted into the second sealing element (230), the second sealing element (230) performing two-layer sealing on the gap between the sealing casing body (310) and the main casing (100).

2. A water pump motor housing assembly according to claim 1, wherein The end face of the second sealing element (230) adjacent to the assembly ring (210) is provided with an outer sealing ring (231) and an inner sealing ring (232), the side wall of the main casing (100) being inserted between the outer sealing ring (231) and the inner sealing ring (232), and the inner sealing ring (232) filling the gap between the sealing casing body (310) and the main casing (100).

3. A water pump motor housing assembly according to claim 2, wherein The end of the sealing casing body (310) away from the main casing (100) is provided with a limiting protrusion (340), the limiting protrusion (340) being inserted into the limiting hole provided on the second sealing element (230).

4. A water pump motor housing assembly according to claim 3, wherein The limiting hole adopts a special-shaped hole structure, and the cross section of the limiting protrusion (340) adopts a special-shaped structure matched with the limiting hole.

5. A water pump motor housing assembly according to claim 4, wherein The first sealing element (320) comprises a fixed ring (321) and a sealing ring (322), the fixed ring (321) being connected with the inner connecting ring (102), and the sealing ring (322) being inserted into the inside of the inner connecting ring (102).

6. A water pump motor housing assembly according to claim 5, wherein The assembly ring (210) is provided with a fixed screw hole, the outer connecting ring (101) is provided with a screw hole matched with the fixed screw hole, and the assembly ring (210) and the outer connecting ring (101) are fixedly connected through the bolt arranged along the axial direction of the assembly ring (210).

7. A water pump motor housing assembly according to claim 6, wherein The outer wall of the sealing casing body (310) is provided with an inner supporting ring (330), and the inner sealing ring (232) is connected with the side wall of the inner supporting ring (330).

8. A water pump characterized by comprising: The water pump comprises the water pump motor casing assembly structure according to any one of claims 1-7.

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