CN212509271U

CN212509271U - Improved clutch coil assembly

Info

Publication number: CN212509271U
Application number: CN202020825468.5U
Authority: CN
Inventors: 徐晓春; 詹义; 张含亮; 徐子轩
Original assignee: Suzhou Xuanchang Electromechanical Technology Co ltd
Current assignee: Suzhou Xuanchang Electromechanical Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-02-09
Anticipated expiration: 2030-05-18

Abstract

The utility model provides an improved clutch coil assembly, which comprises a shell and a cover plate; the shell comprises a connecting seat, the inner side of the connecting seat comprises a first concave part formed by stamping a first boss, the outer side of the connecting seat comprises a half first boss and a first riveting platform, the half first boss and the first riveting platform are formed after the first boss is riveted, and the first riveting platform is arranged on the half first boss; the cover plate is arranged on the shell base; the cover plate comprises a connecting part, the connecting part comprises through holes corresponding to the first bosses, and each through hole is respectively sleeved on each half of the first bosses. The utility model discloses a direct punching press goes out a plurality of first bosss on the connecting seat of casing, and the connecting portion of apron are established respectively on every first boss through every through-hole cover, passes through the riveting instrument with every first boss and adopts riveting mode riveting back, has formed half first boss and the first platform of riveting above the through-hole to with the apron firm connection, promoted the life of clutch coil assembly.

Description

Improved clutch coil assembly

Technical Field

The utility model relates to an automobile air conditioner electromagnetic clutch field especially relates to a modified clutch coil assembly.

Background

The electromagnetic clutch of the automobile air conditioner is a power transmission device between an automobile engine and an automobile air conditioner compressor, and the automobile air conditioner compressor is driven by the automobile engine through the electromagnetic clutch. The coil assembly is used as an important component of the electromagnetic clutch of the automobile air conditioner and has great influence on the normal operation of the automobile air conditioner.

The automobile air conditioner clutch coil assembly comprises a coil component, a shell, a cover plate and the like, wherein at present, the connection between the shell and the cover plate by domestic manufacturers is mainly realized by stamping a convex welding point on the cover plate and then welding the shell and the cover plate together. This approach has the following problems: 1. the phosphating and saponification layer is required to be manufactured when the shell is stretched in the processing process, the phosphating and saponification layer is not conductive, the inner bottom surface treatment layer and the outer bottom surface treatment layer of the shell are required to be removed during welding to perform projection welding, and if the inner bottom surface treatment layer and the outer bottom surface treatment layer are not completely removed, the residual treatment layer also influences the welding strength; 2. welding of the cover plate needs to ensure that all welding points are completely welded, so that a high-power welding machine is needed to weld all the welding points at one time, otherwise, the yield is influenced; 3. the requirements on the height and the size of the convex welding points of the cover plate are strict, otherwise, the force of each welding point is different after welding, so that the single welding point is easily stressed and separated, and the whole cover plate is separated and welded; 4. the solder joint is many, causes the apron welding height to be inconsistent easily, influences apron terminal surface and coil inside and outside circle straightness that hangs down, and the coil assembly is beated not well. In response to these problems, there is a need for an improved clutch coil assembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the improved clutch coil assembly that proposes for clutch coil assembly is more firm.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an improved clutch coil assembly includes a housing and a cover plate; the shell comprises a shell base, an outer circumference ring and an inner circumference ring; the outer circumference is arranged at the edge of the shell base and is vertical to the shell base; the inner circumference is arranged inside the outer circumference and is vertical to the shell base; the accommodating space between the inner periphery and the outer periphery is used for accommodating a coil; the part of the shell base, corresponding to the accommodating space, is a connecting seat, the inner side of the connecting seat comprises a first concave part formed by stamping a first boss, the outer side of the connecting seat comprises a half first boss and a first riveting platform, the half first boss and the first riveting platform are formed by riveting the first boss, and the first riveting platform is arranged on the half first boss; a plurality of first bosses are arranged; the cover plate is arranged on the shell base; the cover plate comprises a connecting part, and the connecting part is positioned at the edge of the cover plate; the connecting part comprises a plurality of through holes corresponding to the half first bosses, and each through hole is sleeved on each half first boss respectively.

Further, on a plane perpendicular to the central axis of the first boss, the area of the first riveting platform is larger than that of the half first boss.

Further, the through hole is completely embedded with the half first boss.

Further, the distances between the first bosses and the center of the shell base are respectively equal.

Further, the inner side of the connecting base further comprises a second concave portion formed by stamping a second boss, the outer side of the connecting base further comprises a second riveting table formed by riveting the second boss, and the second riveting table is used for connecting the coil.

Further, the connecting seat still includes first via hole and second via hole that is used for making coil both ends pass through respectively.

Further, the cover plate further comprises a middle blocking part, the middle blocking part is located in the connecting part, and the outer edge of the middle blocking part is directly connected with the inner edge of the connecting part.

Further, the intermediate stopper protrudes in a direction away from the housing with respect to the connecting portion.

Further, a protrusion for positioning is arranged at one edge of the middle baffle part.

Further, a process hole is formed in the other edge of the middle baffle portion.

Compared with the prior art, the beneficial effects of the utility model are that: the connecting base of the shell is directly stamped with a plurality of first bosses, the connecting part of the cover plate is respectively sleeved on each first boss through each through hole, and after each first boss is riveted through a riveting tool in a riveting mode, a half first boss which is in circumferential contact with the inner side of the through hole and a first riveting platform on the through hole are formed, so that the cover plate is stably connected; the traditional welding mode of the shell and the cover plate is replaced, and compared with the welding mode that a phosphating saponification layer at the joint of the shell and the cover plate needs to be removed and then welded, the connecting process of the shell and the cover plate is simplified, and the production efficiency is improved; and the connection between the shell and the cover plate is firmer and more stable, and the service life of the clutch coil assembly is prolonged.

Drawings

Fig. 1 is a cross-sectional view of a housing and a cover plate according to an embodiment of the present invention after being connected;

fig. 2 is a cross-sectional view of the housing according to the embodiment of the present invention after the first boss is punched;

fig. 3 is a schematic structural diagram of the housing according to the embodiment of the present invention in a top view.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

Referring to fig. 1 to 3, the present invention provides an improved clutch coil assembly, which includes a housing 1 and a cover plate 2; the housing 1 includes a housing base 11, an outer peripheral ring 12, and an inner peripheral ring 13; the outer circumference 12 is arranged at the edge of the shell base 11 and is vertical to the shell base 11; the inner circumference 13 is arranged inside the outer circumference 12, and the inner circumference 13 is vertical to the shell base 11; the accommodation space between the inner periphery 13 and the outer periphery 12 is used for placing a coil, which is placed between the outside of the inner periphery 13 and the inside of the outer periphery 12.

A portion of the housing base 11 corresponding to the receiving space is a connection seat 110, an inner side of the connection seat 110 includes a first concave portion 102 (shown in fig. 2) formed by punching a first boss 101, an outer side of the connection seat 110 includes a half first boss 101b and a first rivet table 101a (shown in fig. 1), the half first boss 101b is a portion of the first boss 101, and the first rivet table 101a is disposed on the half first boss 101 b; the first bosses 101 are plural. On a plane perpendicular to the central axis of the first boss 101, the area of the first rivet stand 101a is larger than the area of the half first boss 101 b.

The cover plate 2 is arranged on the shell base 11; the cover plate 2 comprises a connecting part 21, and the connecting part 21 is positioned at the edge of the cover plate 2; the connecting portion 21 includes a plurality of through holes corresponding to the half first bosses 101b, and each through hole is respectively sleeved on each half first boss 101 b. The through hole is completely fitted to the half first boss 101 b.

In the embodiment of the present invention, the first boss 101 (as shown in fig. 2) is directly stamped on the connecting seat 110, and after stamping, the first concave portion 102 appears on the connecting seat 110; the connecting part 21 of the cover plate 2 is respectively sleeved on each first boss 101 through each through hole, and after each first boss 101 is riveted and pressed by a riveting tool in a riveting mode, a half first boss 101b which is in circumferential contact with the inner side of the through hole and a first riveting platform 101a on the upper surface of the through hole are formed (as shown in fig. 1); thereby firmly connecting the case 1 with the cover plate 2.

The first bosses 101 are spaced apart from the center of the case base 11 by the same distance. As shown in fig. 3, in the present embodiment, 6 first bosses 101 are provided, and the distances between the 6 first bosses 101 and the center of the housing base 11 are respectively equal, so that the strength of the clutch coil assembly can be improved. Regarding the position relationship of the plurality of first bosses 101, the first bosses are not necessarily uniformly distributed all over, but it is also necessary to avoid the adjacent first bosses 101 from being arranged too compactly or too distantly; in the production activity, after the first bosses 101 are riveted into the riveting table, a tensile test of riveting strength needs to be carried out on a sample, so that the riveting points are prevented from being pulled off, and the mutual positions of the first bosses 101 are adjusted accordingly. The number of the first bosses 101 is also set according to the tensile force requirement to be met by the product.

As shown in fig. 3, the inner side of the connection holder 110 further includes a second concave portion formed by punching the second boss 103, and the outer side of the connection holder 110 further includes a second rivet table formed by riveting the second boss 103, and the second rivet table is used for connecting the coil. The connection socket 110 further includes a first via hole 104 and a second via hole 105 for passing both ends of the coil, respectively. The embodiment of the utility model provides an in, the one end of coil is worn out casing 1 through first via hole 104 and is riveted with second boss 103, and the other end of coil is worn out casing 1 through second via hole 105 and is linked to each other with other parts.

As shown in fig. 1, the cover plate 2 further includes a middle stopper 22, the middle stopper 22 is located inside the connecting portion 21, and an outer edge of the middle stopper 22 is directly connected to an inner edge of the connecting portion 21. The middle stopper 22 protrudes in a direction away from the housing 1 with respect to the connecting portion 21. A protrusion 221 for positioning is provided at one edge of the middle stop 22. A fabrication hole 222 is provided at the other edge of the middle stop 22.

The utility model directly punches a plurality of first bosses on the connecting seat of the shell, the connecting part of the cover plate is respectively sleeved on each first boss through each through hole, after each first boss is riveted by a riveting tool in a riveting mode, a half first boss which is circumferentially contacted with the inner side of the through hole and a first riveting platform on the through hole are formed, thereby being stably connected with the cover plate; the traditional welding mode of the shell and the cover plate is replaced, and compared with the welding mode that a phosphating saponification layer at the joint of the shell and the cover plate needs to be removed and then welded, the connecting process of the shell and the cover plate is simplified, and the production efficiency is improved; and the connection between the shell and the cover plate is firmer and more stable, and the service life of the clutch coil assembly is prolonged.

The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims

1. An improved clutch coil assembly comprising a housing and a cover plate;

the shell comprises a shell base, an outer circumference ring and an inner circumference ring; the outer circumference is arranged at the edge of the shell base and is vertical to the shell base; the inner circumference is arranged inside the outer circumference and is vertical to the shell base; the accommodating space between the inner periphery and the outer periphery is used for accommodating a coil; the part of the shell base, corresponding to the accommodating space, is a connecting seat, the inner side of the connecting seat comprises a first concave part formed by stamping a first boss, the outer side of the connecting seat comprises a half first boss and a first riveting platform, the half first boss and the first riveting platform are formed by riveting the first boss, and the first riveting platform is arranged on the half first boss; a plurality of first bosses are arranged;

the cover plate is arranged on the shell base; the cover plate comprises a connecting part, and the connecting part is positioned at the edge of the cover plate; the connecting part comprises a plurality of through holes corresponding to the half first bosses, and each through hole is sleeved on each half first boss respectively.

2. The clutch coil assembly of claim 1, wherein the first rivet table has an area greater than an area of the half first boss in a plane perpendicular to the central axis of the first boss.

3. The clutch coil assembly of claim 1 wherein the through hole is fully engaged with the half first boss.

4. The clutch coil assembly of claim 1, wherein the first plurality of bosses are each equidistant from a center of the housing base.

5. The clutch coil assembly of claim 1, wherein the inner side of the connection seat further includes a second recess formed by punching a second boss, and the outer side of the connection seat further includes a second rivet table riveted by the second boss, the second rivet table being used for connecting the coil.

6. The clutch coil assembly of claim 1, wherein the connecting receptacle further includes a first and second through hole for passing the two ends of the coil, respectively.

7. The clutch coil assembly of claim 1, wherein the cover plate further comprises a center stop portion, the center stop portion being located within the connecting portion, and an outer edge of the center stop portion being directly connected to an inner edge of the connecting portion.

8. The clutch coil assembly of claim 7, wherein the central stop projects away from the housing relative to the connecting portion.

9. The clutch coil assembly of claim 7, wherein a protrusion for positioning is provided at an edge of the middle stop.

10. The clutch coil assembly of claim 9, wherein a tooling hole is provided at another edge of the middle stop.