JP2019110657A - Caulking structure with waterproof function - Google Patents

Abstract

To improve a waterproof function.SOLUTION: In a caulking structure with a waterproof function, a connector plate (61) is provided between a front lid (62) and a motor case (5) and after a caulking claw (70) provided in the front lid (62) is engaged to an engage projection (81) of the connector plate (61), caulking processing is performed on an end portion of the caulking claw (70) along a bottom face of the motor case (5). In the caulking structure with the waterproof function, a first sealant (101) is provided between the front lid (62) and the connector plate (61), and a second sealant (102) is provided between the connector plate (61) and the motor case (5).SELECTED DRAWING: Figure 6

Description

  The present invention relates to a caulking structure having a waterproof function, and in particular, by providing at least a pair of sealing materials via a connector plate between a front lid and a motor case, a waterproof system between the front lid and the motor case is redundant. As is completely done.

As a conventional caulking structure having a waterproof function of this type that has been used, for example, the structure of the motor of Patent Document 1 can be mentioned.
That is, what is shown with the code 1 in FIG. 7 is a motor, and the motor case 5 of the motor 1 is attached to the motor mounting surface 3 a of the housing 3 via the bolt 6.

Between the first bearing 10 of the motor case 5 and the second bearings 12 and 13 in the housing 3, a rotary shaft 14 integral with a rotor 8 having a coil winding 15 and an armature 16 is rotatably provided.
A magnet 9 is disposed on the inner surface of the motor case 5, and as shown in FIG. 8, the holder 4 in contact with the motor case 5 is strongly connected by a caulking portion 45.

Moreover, although a document name etc. are not disclosed, the schematic of the other structure of the motor conventionally used can be disclosed in FIGS. 9-11.
In FIG. 9, a motor indicated by reference numeral 1 is a motor, and a connector plate 61 having a connector 60 is stacked on the case flange 5 a of the motor case 5 of the motor 1. A lid 62 is stacked.

  Further, in the front lid 62 shown in FIG. 11, a bifurcated caulking fitting 70 is integrally formed to project downward at four places in the entire circumference.

  Next, as shown in FIG. 11, the front lid 62, the connector plate 61, and the case flange 5a of the motor case 5 are stacked, and with the motor 1 assembled as shown in FIG. Are straddled over the engaging projections 81 horizontally projecting from the connector plate 61.

  Under the above-described state, when the crimping claw 70 is bent in an L shape using a jig not shown and the crimping processing is performed, the crimping claw 70 changes from the state of FIG. 11A to the state of FIG. The front lid 62, the connector plate 61, and the motor case 5 are integrally laminated by engaging the outer surface 70a of the motor case 5 with the lower surface 5b of the motor case 5, and the motor 1 is configured as shown in FIG. There is.

Unexamined-Japanese-Patent No. 11-136898 gazette

The conventional caulking structure is configured as described above, so the following problems exist.
That is, in the conventional configuration shown in FIG. 7 and FIG. 8 described above, the motor case 5 and the holder 4 are crimped by the caulking portion 45, and the housing 3 and the motor case 5 are sealed by the bolt 6 via the sealing member 50 Since it was connected, it was easy for liquid etc. to enter into the bolted part from the outside, and it was extremely difficult to maintain the function as a motor.

  Further, in the conventional configuration shown in FIGS. 9 to 11, the front lid 62, the connector plate 61, and the motor case 5 are laminated using caulks provided on the front lid 62, but a sealing material is provided. Since a gap of 0.1 to 0.5 mm is formed between the metal members, there is a limit even if the crimp is strongly crimped.

  The present invention has been made to solve the problems as described above, and in particular, by providing at least a pair of sealing materials between a front lid and a motor case via a connector plate, the front lid and An object of the present invention is to provide a caulking structure having a waterproof function that makes it possible to completely waterproof between motor cases.

  The caulking structure having a waterproof function according to the present invention provides the connector plate between the front lid and the motor case, and after the caulking claw provided on the front lid is engaged with the engagement protrusion of the connector plate, the caulking claw A first sealing member is provided between the front lid and the connector plate, and the connector plate and the motor are provided with a waterproofing function. A second sealing material is provided between the cases.

Since the caulking structure having a waterproof function according to the present invention is configured as described above, the following effects can be obtained.
That is, after a connector plate is provided between the front lid and the motor case, and the crimps provided on the front lid are engaged with the engagement projections of the connector plate, the end of the crimp is the lower surface of the motor case. A first sealing material is provided between the front lid and the connector plate, and a second sealing material is provided between the connector plate and the motor case. The following effects can be obtained because it is configured to be provided.
That is, since the first seal material is provided between the front lid and the connector plate, and the second seal material is provided between the connector plate and the motor case, not only the waterproof function by only the caulking structure by caulking but a pair of seals Since the additional waterproof function by the material is added, a redundant system of the waterproof function can be configured, and the waterproof function such as a motor can be greatly improved.
In addition, since the waterproof function can be improved only by providing a pair of sealing materials in the same caulking structure as in the past, not only line attachment but also retrofitting to a motor currently in use is possible.

It is a disassembled perspective view of the principal part of the motor for demonstrating the caulking structure which has a waterproof function by this invention. It is a disassembled perspective view which shows the front cover and rotor of a motor of FIG. It is a disassembled perspective view of the whole motor of FIG. It is sectional drawing of the front cover of FIG. It is a top view which shows the connector board of FIG. It is explanatory drawing of crimping which shows the crimping structure in this invention. It is sectional drawing which shows the conventional caulking structure. It is an expanded sectional view of the principal part of FIG. It is a front view showing a conventional motor. It is an enlarged view of the A section of FIG. It is a schematic explanatory drawing of FIG.

  The caulking structure having a waterproof function according to the present invention makes a waterproof system between the front lid and the motor case a redundant system, in particular, by providing at least a pair of sealing materials via the connector plate between the front lid and the motor case. To be complete.

Hereinafter, a preferred embodiment of a caulking structure having a waterproof function according to the present invention will be described with reference to the drawings.
The same or equivalent parts as in the prior art will be described using the same reference numerals.
In FIG. 1 and FIG. 2, the one indicated by reference numeral 5 is a motor case, and the motor case 5 is provided with a connector plate 61 having a connector 60.
On the inner surface of the motor case 5, a stator 5B having a stator winding 5A is provided.

On the upper part of the connector plate 61 of the motor case 5, there is provided a front lid 62 having a caulking claw 70, and a rotor 62D is provided on a rotary shaft 62C which rotatably penetrates an axial hole 62A of the front lid 62. ing.
The rotor 62D is rotatably inserted inside the stator winding 5A of the stator 5B.

  In the configuration of FIG. 3, the front lid 62 is attached to the motor case 5 shown in FIGS. 1 and 2 described above via the connector plate 61, and the rotor 62D is inserted into the motor case 5. The rotation shaft 62C rotatably protrudes from the front lid 62.

As shown in FIG. 4, the four crimping claws 70 of the front lid 62 are configured to be respectively engageable with the four engaging projections of the connector plate 61 of FIG.
A total of four tongue pieces 80e are formed on the outer peripheral portion 100 where the engagement protrusion 81 is not formed so as to protrude from the connector plate 61, and through holes 80a to 80d are formed in each tongue piece 80e. There is.
The aforementioned through holes 80a to 80d are used when attaching the finished product of the motor 1 shown in FIG. 9 described above to mounting or the like.

6A and 6B, first, in FIG. 6A, the front lid 62, the connector plate 61, and the motor case 5 shown in FIG. 1 to FIG. (2) Lamination is performed via the sealing material 102, and the respective caulking claws 70 straddle the engagement protrusion 81.
The first seal member 101 is positioned between the front lid 62 and the connector plate 61, and the second seal member 102 is positioned between the connector plate 61 and the motor case 5.

In the state of (A) described above, when the caulking claw 70 is caulked with a caulking jig (not shown) in the same manner as in (A) and (B) of FIG. The front lid 62, the connector plate 61, and the motor case 5 are integrally joined in a state where the seal members 101 and 102 are bent and compressed.
The front lid 62, the connector plate 61, and the motor case 5 maintain a certain degree of first waterproofness even when no sealing material is used as in the conventional state of FIGS. 11 (A) and 11 (B). However, according to the configuration of FIG. 6 using the respective sealing materials 101 and 102 according to the present invention, the waterproofness is further improved to obtain a perfect second waterproofness, and in the case of a redundant system, double redundant It can be said that it has a system waterproof structure.

  Since the caulking structure having a waterproof function according to the present invention caulks the front lid, the connector plate and the motor case integrally via a pair of sealing members, the waterproofness is significantly improved over the conventional case, and a device using a motor The reliability of can be greatly improved.

Reference Signs List 5 motor case 5A stator winding 5B stator 60 connector 61 connector plate 62 front lid 62a front lid flange 62A shaft hole 62C rotating shaft 62D rotor 70 caulking claw 80a to 80d through hole 80e tongue piece 81 engagement protrusion 100 outer peripheral portion 101 first seal Material 102 Second seal material

Claims (1)

A connector plate (61) is provided between the front lid (62) and the motor case (5), and a caulking claw (70) provided on the front lid (62) is used as an engagement protrusion (81) of the connector plate (61). A caulking process is performed such that the end of the caulking claw (70) is caulked along the lower surface of the motor case (5) after engagement with the
A first seal (101) is provided between the front lid (62) and the connector plate (61), and a second seal (102) is provided between the connector plate (61) and the motor case (5). And a caulking structure having a waterproof function characterized by being provided.

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