Outer shell and end cover fixing structure

Abstract

The utility model relates to a shell and end cover fixing structure. The technical problem that connection between an existing motor end cover and a motor shell is not stable enough is solved. Comprising a cylindrical outer shell with at least one open end, the outer shell is formed by radially splicing two half shells, and an end cover body capable of closing the open end is arranged on the circumferential inner side of one end of the outer shell through an end cover mounting structure; and a plug-in assembly for preventing the end part from warping outwards is arranged between the inner side of one end, close to the end cover body, of each half shell and the circumferential outer side of the end cover body, and the plug-in assembly can enable one end of the outer shell and the circumferential outer side of the end cover body to be radially and mutually positioned when the two half shells are spliced. The end cover has the advantages that the end cover body can be conveniently limited through the annular flanges and the mounting lugs, and the mounting stability of the end cover body is improved. According to the plug-in assembly capable of preventing the end parts from warping outwards, the end cover bodies and the half shells can be conveniently connected in a plug-in mode, the plug-in efficiency is improved, and the plug-in effect is guaranteed. The half shells can be conveniently assembled and disassembled through the inserting grooves and the convex ribs, and the assembling and disassembling efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor casings, and in particular relates to a casing and end cover fixing structure. Background Art

[0002] With the continuous improvement of science and technology, drive motors are gradually widely used in daily life; the motor consists of a motor housing and a motor end cover assembly, and in order to ensure the sealing and connection effects, the existing motors mostly use welding to seal the motor housing and the motor end cover. However, the welding method will make the motor housing inconvenient to disassemble and maintain, and increase the production cost; the existing motor housing and the motor end cover are fixedly connected by a snap-in method, which can facilitate the loading and unloading between the motor housing and the motor end cover, effectively improving the loading and unloading efficiency, but the existing snap-in method has poor connection stability, and may cause misalignment between the motor end cover and the motor housing during long-term use, affecting the service life of the motor and reducing the user experience.

[0003] In order to solve the deficiencies of the prior art, people have conducted long-term exploration and proposed various solutions. For example, a Chinese patent document discloses a connection mechanism between a motor end cover and a housing [201920233674.4], which includes a motor end cover and a motor housing matched with the motor end cover, a plurality of annularly arranged positioning members are provided on one side of the motor end cover, a port corresponding to the motor end cover is provided on one side of the motor housing, and a plurality of bayonet holes corresponding to the positioning members are provided on the inner wall of the motor housing; the positioning member includes a support flange fixedly connected to the motor end cover, a clamping flange is provided at the end of the support flange, the outer surface of the clamping flange is an arc-shaped conical surface, the arc-shaped conical surface has a top and a skirt, and the clamping flange extends from the port of the motor housing into the motor housing and is clamped with the bayonet hole on the inner wall of the motor housing.

[0004] The above solution solves the problem of unstable connection between the existing motor housing and the motor end cover to a certain extent, but the solution still has many shortcomings. For example, the motor housing and the motor end cover are connected by a support flange and a bayonet, and the connection stability between the motor housing and the motor end cover is still insufficient. Summary of the invention

[0005] The purpose of the utility model is to provide a housing and end cover fixing structure in view of the above problems.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an outer shell and end cover fixing structure, comprising an outer shell body which is cylindrical and open at least at one end, the outer shell body is radially spliced ​​together by two half shells, an end cover body which can close the opening is provided on the circumferential inner side of one end of the outer shell body through an end cover mounting structure, an anti-end warping plug-in assembly is provided between the inner side of one end of the half shell body close to the end cover body and the circumferential outer side of the end cover body, which can radially position one end of the outer shell body and the circumferential outer side of the end cover body when the two half shells are spliced ​​together, and the anti-end warping plug-in assembly can effectively prevent the end cover body from warping during long-term use, thereby ensuring the connection stability between the end cover body and the outer shell body.

[0007] In the above-mentioned outer shell and end cover fixing structure, the anti-end warping plug-in assembly includes plug-in parts respectively arranged on both sides of one end of the half shell body close to the end cover body, the plug-in part is transversely arranged on the inner side of the half shell body and the extension direction is consistent with the splicing direction of the two half shell bodies, and the end cover body is provided with a plug-in groove corresponding to the plug-in part on the circumferential outer side, and when the half shells are spliced, the plug-in part and the plug-in groove are plugged and connected with each other to ensure the connection stability between the end cover body and the two half shells.

[0008] In the above-mentioned outer shell and end cover fixing structure, the plug-in parts on both sides of the half shell are arranged parallel to each other and the plug-in parts on both sides of the two half shells are arranged one by one, which can facilitate the quick plug-in of the plug-in parts and the plug-in slots, and can improve the plug-in efficiency and the plug-in stability.

[0009] In the above-mentioned shell and end cover fixing structure, the plug-in part includes a transversely arranged plug-in plate, and the plug-in plate is integrally formed on the inner side of the semi-shell through a connecting plate arranged perpendicularly to the plug-in plate, and the width of the plug-in plate close to one end of the plug-in slot is smaller than the width of the other end. The transversely arranged plug-in plate can facilitate the plug-in operation, and the connecting plate can improve the plug-in stability and ensure the plug-in effect.

[0010] In the above-mentioned outer shell and end cover fixing structure, the number of the plug-in slots is four and they are symmetrically arranged in pairs on both sides of the end cover body and the two plug-in slots matching the same half shell are correspondingly arranged on the same side of the end cover body, which facilitates the plug-in connection between the plug-in slots and the plug-in part, and can improve the plug-in effect and the connection stability between the end cover body and the outer shell.

[0011] In the above-mentioned outer shell and end cover fixing structure, one end of the plug-in slot has a notch and the other end is laterally extended along the side of the end cover body, and the side of the end cover body has a strip groove connected to the notch and the plug-in slot, and the connecting plate is plugged into the strip groove. The notch can facilitate the plug-in of the plug-in plate, and the strip groove can limit the connecting plate, thereby improving the plug-in stability.

[0012] In the above-mentioned outer shell and end cover fixing structure, the end cover mounting structure includes half-shell folded edges bent in opposite directions by corresponding ends of two half-shells, and the half-shell folded edges of the two half-shells are combined to form an annular rib abutting against the upper end of the end cover body. The annular rib can limit the end cover body and further prevent the end cover body from dislocating, thereby ensuring the connection stability of the end cover body.

[0013] In the above-mentioned outer shell and end cover fixing structure, the end cover mounting structure also includes a plurality of mounting ears arranged on the circumferential inner side of the outer shell, the mounting ears are respectively formed on the inner side of the half shell and are located on the same horizontal plane, the lower end of the half shell is abutted against the mounting ears and the half shell is connected to the mounting ears through the end cover mounting assembly, the mounting ears cooperate with the annular ribs to limit the end cover body, and the end cover mounting assembly can improve the connection stability between the end cover body and the outer shell.

[0014] In the above-mentioned outer shell and end cover fixing structure, the end cover mounting assembly includes a recessed platform formed at the upper end of the end cover body, and positioning holes are provided at each corner of the recessed platform. The positioning holes respectively penetrate the end cover body and correspond one-to-one with the mounting holes on the mounting ears, and the positioning holes are connected to the mounting ears through positioning bolts. The connection stability between the end cover body and the outer shell can be improved by the positioning bolts that penetrate the positioning holes and the mounting ears.

[0015] In the above-mentioned outer shell and end cover fixing structure, axially extending slots are respectively provided on the sides of one of the two half shells, and axially extending ribs are respectively provided on the sides of the remaining half shell, and the ribs and the slots are connected to each other by being snap-fitted. The slots and the ribs can facilitate the disassembly and assembly of the half shells, thereby improving the disassembly and assembly efficiency.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. The annular rib and the mounting ears can facilitate the positioning of the end cover body, thereby improving the installation stability of the end cover body.

[0018] 2. The anti-end warping plug-in assembly can facilitate the plug-in connection between the end cover body and the half shell body, improve the plug-in efficiency, and ensure the plug-in effect.

[0019] 3. The slots and convex ribs can facilitate loading and unloading between the half shells, thereby improving loading and unloading efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a structural schematic diagram of the outer shell in the utility model.

[0022] Figure 3 It is a structural schematic diagram of the end-end anti-outward warping plug-in assembly in the utility model.

[0023] Figure 4 It is a structural schematic diagram of a half shell in the utility model.

[0024] Figure 5 It is a structural schematic diagram of the middle end cover body of the utility model.

[0025] In the figure: outer shell 1, opening 11, half shell 12, slot 121, rib 122, end cover mounting structure 2, half shell folded edge 21, annular rib 22, mounting ear 23, end cover body 3, anti-end warping plug-in assembly 4, plug-in portion 41, plug-in plate 411, connecting plate 412, plug-in slot 42, notch 421, strip slot 43, end cover mounting assembly 5, recess 51, positioning hole 52, mounting hole 53. DETAILED DESCRIPTION

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, a structure for fixing an outer shell and an end cover comprises an outer shell 1 which is cylindrical and has an opening 11 at at least one end. The outer shell 1 is formed by radially splicing two half shells 12. The outer shell 1 can be easily loaded and unloaded through the half shells 12. An end cover body 3 which can close the opening 11 is provided on the circumferential inner side of one end of the outer shell 1 through an end cover mounting structure 2. An anti-end warping plug-in assembly 4 which can radially position one end of the outer shell 1 and the circumferential outer side of the end cover body 3 when the two half shells 12 are spliced ​​can be provided. The anti-end warping plug-in assembly 4 can effectively prevent the end cover body 3 from warping during long-term use, thereby ensuring the connection stability between the end cover body 3 and the outer shell 1.

[0028] Specifically, the anti-end warping plug-in assembly 4 includes plug-in parts 41 respectively arranged on both sides of one end of the half shell 12 close to the end cover body 3. The plug-in part 41 is transversely arranged on the inner side of the half shell 12 and the extension direction is consistent with the splicing direction of the two half shells 12, which can facilitate the plug-in of the plug-in part 41 and improve the plug-in efficiency. The end cover body 3 is provided with a plug-in groove 42 corresponding to the plug-in part 41 on the circumferential outer side, which can ensure the plug-in effect. When the half shells 12 are spliced, the plug-in part 41 and the plug-in groove 42 are plugged and connected with each other, thereby ensuring the connection stability between the end cover body 3 and the two half shells 12.

[0029] Among them, the plug-in parts 41 on both sides of the half shell 12 are arranged parallel to each other and the plug-in parts 41 on both sides of the two half shells 12 are arranged one by one, which can facilitate the quick plug-in of the plug-in parts 41 and the plug-in slots 42, and can improve the plug-in efficiency and plug-in stability.

[0030] like Figure 3 , Figure 5 As shown, the plug-in portion 41 includes a transversely arranged plug-in plate 411, which is integrally formed on the inner side of the semi-shell 12 through a connecting plate 412 arranged perpendicularly to the plug-in plate 411, and the width of the plug-in plate 411 at one end close to the plug-in slot 42 is smaller than the width at the other end. The transversely arranged plug-in plate 411 can facilitate the plug-in operation, and the connecting plate 412 can improve the plug-in stability and ensure the plug-in effect.

[0031] Furthermore, there are four plug-in slots 42, which are symmetrically arranged in pairs on both sides of the end cover body 3, and the two plug-in slots 42 matching the same half shell 12 are correspondingly arranged on the same side of the end cover body 3, which facilitates the plug-in connection between the plug-in slots 42 and the plug-in part 41, and can improve the plug-in effect and the connection stability between the end cover body 3 and the outer shell 1.

[0032] Among them, one end of the plug-in slot 42 has a slot 421 and the other end is horizontally extended along the side of the end cover body 3, and the side of the end cover body 3 has a strip slot 43 connected with the slot 421 and the plug-in slot 42, and the connecting plate 412 is plugged into the strip slot 43. The slot 421 can facilitate the plug-in of the plug-in plate 411, and the strip slot 43 can limit the connecting plate 412, thereby improving the plug-in stability.

[0033] Combination Figure 2 , Figure 4 , Figure 5 As shown, the end cover mounting structure 2 includes a half-shell folded edge 21 bent in opposite directions by corresponding ends of the two half-shells 12, and the half-shell folded edges 21 of the two half-shells 12 are combined to form an annular rib 22 abutting against the upper end of the end cover body 3. The annular rib 22 can limit the end cover body 3 and further prevent the end cover body 3 from being dislocated, thereby ensuring the connection stability of the end cover body 3.

[0034] Among them, the end cover mounting structure 2 also includes a plurality of mounting ears 23 arranged on the circumferential inner side of the outer shell 1, the mounting ears 23 are respectively formed on the inner side of the half shell 12 and are located on the same horizontal plane, the lower end of the half shell 12 is abutted against the mounting ears 23 and the half shell 12 is connected to the mounting ears 23 through the end cover mounting assembly 5, and the mounting ears 23 cooperate with the annular rib 22 to limit the end cover body 3, and the end cover mounting assembly 5 can improve the connection stability between the end cover body 3 and the outer shell 1.

[0035] Specifically, the end cover mounting assembly 5 includes a recessed platform 51 formed at the upper end of the end cover body 3, and a positioning hole 52 is provided at each corner of the recessed platform 51. The positioning holes 52 respectively penetrate the end cover body 3 and correspond one-to-one to the mounting holes 53 on the mounting ears 23, and the positioning holes 52 are connected to the mounting ears 23 through positioning bolts. The positioning bolts that penetrate the positioning holes 52 and the mounting ears 23 can improve the connection stability between the end cover body 3 and the outer shell 1.

[0036] Combination Figure 3 , Figure 4 As shown, the sides of one of the two half shells 12 are respectively provided with axially extending slots 121, and the sides of the remaining half shell 12 are respectively provided with axially extending ribs 122, and the ribs 122 and the slots 121 are connected to each other by being snap-connected, and the slots 121 and the ribs 122 can facilitate the disassembly and assembly of the half shells 12, thereby improving the disassembly and assembly efficiency.

[0037] The principle of this embodiment is: the end cover body 3 is placed between the annular rib 22 and the mounting ear 23 at one end of any half shell 12, the end cover body 3 is limited by the annular rib 22 and the mounting ear 23, and the end cover body 3 and the half shell 12 are plugged and connected by the anti-end warping plug-in component 4, and the end cover body 3 is fixedly connected to one side of the half shell 12 by the end cover mounting component 5, and the other half shell 12 is fixedly connected to the half shell 12 by the slot 121 and the convex rib 122, and is fixedly connected to the other side of the end cover body 3 by the anti-end warping plug-in component 4 and the end cover mounting component 5.

[0038] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0039] Although this article uses more terms such as outer shell 1, opening 11, half shell 12, slot 121, rib 122, end cover mounting structure 2, half shell folding edge 21, annular rib 22, mounting ear 23, end cover body 3, anti-end warping plug assembly 4, plug part 41, plug board 411, connecting plate 412, plug slot 42, notch 421, strip groove 43, end cover mounting assembly 5, concave platform 51, positioning hole 52, mounting hole 53, etc., it does not exclude the possibility of using other terms. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A shell and end cover fixing structure, comprising an outer shell (1) in a cylindrical shape and having at least one open end (11), the outer shell (1) being radially assembled from two half shells (12), an end cover body (3) capable of closing the open end (11) being provided on the inner side of one end of the outer shell (1) through an end cover mounting structure (2), characterized in that: An anti-end warping plug-in assembly (4) is provided between the inner side of one end of the half shell (12) close to the end cover body (3) and the circumferential outer side of the end cover body (3), which enables one end of the outer shell (1) and the circumferential outer side of the end cover body (3) to be radially positioned relative to each other when the two half shells (12) are assembled.

2. A housing and end cover fixing structure according to claim 1, characterized in that: The anti-end warping plug-in assembly (4) comprises plug-in portions (41) respectively arranged on both sides of one end of the half shell (12) close to the end cover body (3); the plug-in portion (41) is transversely arranged on the inner side of the half shell (12) and its extension direction is consistent with the splicing direction of the two half shells (12); the end cover body (3) is provided with a plug-in groove (42) corresponding to the plug-in portion (41) on the circumferential outer side; and when the half shells (12) are spliced, the plug-in portion (41) and the plug-in groove (42) are plugged and connected to each other.

3. A housing and end cover fixing structure according to claim 2, characterized in that: The plug-in parts (41) on both sides of the half shell (12) are arranged parallel to each other, and the plug-in parts (41) on both sides of the two half shells (12) are arranged in one-to-one correspondence.

4. A housing and end cover fixing structure according to claim 2, characterized in that: The plug-in portion (41) comprises a plug-in plate (411) arranged transversely, the plug-in plate (411) is integrally formed on the inner side of the half shell (12) via a connecting plate (412) arranged perpendicularly to the plug-in plate (411), and the width of one end of the plug-in plate (411) close to the plug-in slot (42) is smaller than the width of the other end.

5. A housing and end cover fixing structure according to claim 4, characterized in that: The number of the plug-in slots (42) is four and they are symmetrically arranged in pairs on both sides of the end cover body (3), and the two plug-in slots (42) matching the same half shell (12) are correspondingly arranged on the same side of the end cover body (3).

6. A housing and end cover fixing structure according to claim 4, characterized in that: The plug-in slot (42) has a notch (421) at one end and the other end is arranged to extend laterally along the side of the end cover body (3), and a strip groove (43) connected to the notch (421) and the plug-in slot (42) is provided on the side of the end cover body (3), and the connecting plate (412) is plugged into the strip groove (43).

7. A housing and end cover fixing structure according to any one of claims 1 to 6, characterized in that: The end cover mounting structure (2) comprises half-shell folded edges (21) formed by bending the corresponding ends of two half-shells (12) in opposite directions, and the half-shell folded edges (21) of the two half-shells (12) are combined to form an annular retaining edge (22) that abuts against the upper end of the end cover body (3).

8. A housing and end cover fixing structure according to claim 7, characterized in that: The end cover mounting structure (2) further comprises a plurality of mounting ears (23) arranged on the inner side of the outer shell (1) in the circumferential direction, wherein the mounting ears (23) are respectively formed on the inner side of the half shell (12) and are located on the same horizontal plane, the lower end of the half shell (12) is abutted against the mounting ears (23) and the half shell (12) is connected to the mounting ears (23) via the end cover mounting assembly (5).

9. A housing and end cover fixing structure according to claim 8, characterized in that: The end cover mounting assembly (5) comprises a recessed platform (51) formed at the upper end of the end cover body (3), and positioning holes (52) are provided at each corner of the recessed platform (51). The positioning holes (52) respectively penetrate the end cover body (3) and correspond one-to-one with the mounting holes (53) on the mounting ears (23), and the positioning holes (52) are connected to the mounting ears (23) via positioning bolts.

10. The housing and end cover fixing structure according to claim 1, characterized in that: Axially extending slots (121) are respectively provided on the sides of one of the two half shells (12), and axially extending ribs (122) are respectively provided on the sides of the remaining half shell (12), and the ribs (122) and the slots (121) are connected to each other by being snap-fitted.

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