JPH04115739U - Rectifier fixing device for electromagnetic equipment - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a rectifier fixing device for electromagnetic equipment that is easy to assemble, is resistant to vibration and shock, and allows effective use of space near moving parts without any problems. [Structure] The board 5 of the rectifier 1 is connected to the plastically deformable coil terminal 7, and the board 5 is positioned and fitted into the recess 9 at the end of the coil frame 2, and is prevented from coming out by the retaining part 10 of the case 3. It is something.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to a rectifier fixing device for electromagnetic equipment such as an electromagnetic contactor.

0002

[Conventional technology]

Electromagnetic equipment with DC-driven electromagnets requires a rectifier to convert AC to DC. It is. Conventionally, as shown in FIG. It has been considered to arrange the rectifier 103 in the recessed part 102 around the part 101.

0003

[Problem that the idea aims to solve]

However, since the rectifier 103 was only wired with lead wires, vibration and shock Due to the vibration of the rectifier 103, the rectifier 103 may be damaged by the movable part 10 of the electromagnet 104. 1, and since the space is narrow, it is difficult to incorporate the rectifier 103. The drawback was that it was difficult to work with.

0004 Therefore, the purpose of this invention is to have good assembly workability, strong resistance to vibration and shock, and support. Fixed rectifiers for electromagnetic equipment that can effectively utilize the space near moving parts without any problems. The aim is to provide fixed equipment.

[0005]

[Means to solve the problem]

The electromagnetic equipment rectifier fixing device of this invention has a rectifier fixing device having a substrate provided with an input electrode part. a recessed portion at an end for positioning and fitting the board, and a recess for positioning and fitting the board; A coil frame with a plastically deformable coil terminal connected to the pole part, and this coil. It has a storage part that stores the frame, and a retaining part that prevents the board from coming out of the recess. It is equipped with a case.

[0006]

[Effect]

According to the configuration of this invention, the input electrode part of the rectifier board is connected to the coil terminal. When the coil frame is placed in the case and the board is positioned in the recess, the coil frame is inserted into the retaining part. This prevents the board from coming out of the recess. In this case, the coil terminal can be plastically deformed. This allows the tip of the coil terminal to protrude from the coil frame and connect the input electrode. The rear board can be stored in the recess, and no fixing devices are required, making assembly easier. It is easy to work with, and since the board is positioned and fitted into the recess, it is resistant to vibrations and shocks. The board can be stored in the recess at the end of the coil frame, saving space. The space near the movable part of the frame can be used effectively without any hindrance.

[0007]

【Example】

An embodiment of this invention will be explained with reference to FIGS. 1 to 8. In other words, this electric A rectifier fixing device for an electromagnetic contactor, which is a magnetic device, consists of a rectifier 1, a coil frame 2, and a case. 3. The rectifier 1 has a substrate 5 on which an input electrode section 4 is provided. An example is shown in Figure 4. A full-wave rectifier element 11 and a surge absorption element 12 are connected in parallel. 1 3 is an output section. Further, the shape of the substrate 5 is approximately L-shaped as shown in FIG. The input electrode portion 4 is provided at both ends of one piece, the element 11 is mounted on the other piece, and the A surge absorbing element 1 is placed on one side with a predetermined distance between one piece and the other so as to face each other. 2 is implemented. Reference numeral 14 denotes a pattern to be wired on the back side of the substrate 5. and Positioning the end surfaces 15 and both side surfaces 16 of both ends having the piece of input electrode section 4 Department.

[0008] The coil frame 2 has a recess 9 at its end into which the board 5 is positioned and fitted. A plastically deformable coil terminal 7 connected to the force electrode section 4 is attached. In the example makes effective use of the space on both sides and below around the movable part 17 at the end of the coil frame 2. The entire structure consisting of the substrate 5 of the rectifier 1 and the surge absorbing element 12 can be used for The shape of is set as described above. Also, both sides forming the recess 9 of the coil frame 2 A coil terminal storage vertical groove 19 is formed on the front surface of the wall 18, and the front side of the side wall 20 on the side of the recess 9 is formed. A cutout recess 21 is formed in the recess 9, and the end surface 15 when inserting the substrate 5 into the recess 9 is connected to the side wall 2. 0, and the side surface 16 contacts the inner edge of the notch 21 and the lower surface 22 of the recess 9. Then, positioning is performed in two directions parallel to the plane of the substrate 5. Also for storing coil terminals. A horizontal slit 23 is formed at the upper end of the vertical groove 19 as shown in FIG. A conductive coil spring 25 is connected to the hole 24 opened at the upper end of the frame 2, and a conductive coil spring 25 is inserted into the hole 24. It is stored. The coil terminal 7 is in the form of a strip, with a hook 6 bent at the tip and a base. The end portion 8 is bent so that a wide flat plate is inclined, and this base end portion 8 is formed into a horizontal slit 23. The lower end of the coil spring 25 inserted into the hole 24 is pressed into the proximal end 8. The coil springs 25 are placed so as to be in contact with each other, and the upper ends of the coil springs 25 protrude from the upper surface of the coil frame 2. ing. Since the base end 8 of the coil terminal 7 is inclined, the tip end 8 is inclined as shown in FIG. The hook 6 of the coil frame 2 protrudes outward from the coil frame 2. In this state, attach the board to hook 6. The input electrode section 4 of No. 5 is hooked and supported, and soldered in that state. Also coil frame The terminal 27a of the coil 27 wound around the coil 2 and the output section 13 of the rectifier 1 are shown in FIG. It is soldered like this. Then, the coil terminal 7 is plastically deformed and the coil terminal is stored. The substrate 5 is pushed into the vertical groove 19 and is housed and positioned in the recess 9. This allows the base Shaking of the plate 5 is prevented. In this case, a wide part 26 is provided in the middle part of the coil terminal 7. With this, the wide portion 26 is press-fitted into the coil terminal housing vertical groove 19 and the stored state is maintained. .

[0009] The coil frame 2 holds the entire electromagnet, as shown in Figures 7 and 8. , a movable part 17 that penetrates the hollow part of the coil frame 2, and a movable part 17 that is wound around the outer periphery of the coil frame 2. the coil 37, the inner yoke 28 fixed to both sides of the coil frame 2, and the inner yoke 28. A permanent magnet 29 with one of its magnetic poles N and S attracted to the The outer yoke 30 is attracted to the other, and the inner yoke 28 is provided at one end of the movable part 17. and an armature 31 located between the end portion of the outer yoke 30 and the end portion of the outer yoke 30. Also coil frame 2 The shaft portion 3 of the reversing lever 33 is attached to the shaft support 32 on the upper end side of the concave portion 9 at the end portion on the movable portion 17 side. 4 is pivotally supported, and its lower end 40 is fitted into the end of the movable part 17.

0010 The case 3 has a storage part 35 that stores the coil frame 2 and prevents the board 5 from coming out from the recess 9. It has a retaining part 10 that is inserted. The retaining part 10 has an inner wall surface as an example, and the coil frame 2 The coil frame 2 is housed in the case 3 so that the recess 9 approaches the inner wall surface. 3 Reference numeral 6 denotes a tilt adjustment member for the coil frame 2, which adjusts the angle between the bottom surface of the storage section 35 and the bottom surface of the coil frame 2. The inclination of the coil frame 2 with respect to the case 3 is adjusted by being interposed between the coil frame 2 and one end. Also A hook hole 37 is provided at the edge of the opening at the upper end of the case 3, and a lock that is caught in the hook hole 37 is provided. A contact block 39 having a protrusion 38 is attached to the case 3 so as to close the opening of the case 3. It is attached. The contact block 39 has a movable frame storage section 41 in the center. Terminal groups 43 having fixed contacts 42 protruding into the storage part 41 are arranged on both sides, and the terminals A coil terminal 44 for external connection is arranged at one end of the group 43, and this coil terminal for external connection 44 is in elastic contact with the upper end of the coil spring 25 when the contact block 39 is installed. The external connection coil terminal 44 and the coil spring 25 are electrically connected. this The external connection coil terminal 44 is connected to the coil terminal 7 via the coil spring 25. and is further connected to the coil 27 via the rectifier 1.

[0011] In addition, a movable frame 46 with movable contacts 45 protruding from both sides can freely slide into the movable frame storage section 41. The movable contact 45 faces the fixed contact 42 so as to be able to approach and separate from it, and the movable frame 46 An engagement recess 48 that engages with the upper end 47 of the reversing lever 33 is formed at one end, and the other end is formed to engage the upper end 47 of the reversing lever 33. It is urged back by a return spring 49. 50 closes the upper surface of the movable frame storage section 41 and closes the movable frame An inner cover guides the upper surface of 46, and 51 is a terminal cover.

0012 This electromagnetic contactor is operated by the action of the return spring 49 and the permanent magnet 29 when not energized. The armature 31 is attracted to the inner yoke 28. Coil terminal 44 for external connection, When the coil 27 is energized through the coil spring 25, the coil terminal 7, and the rectifier 1, it becomes polarized. The movable portion 17 operates so that the child 31 is attracted to the outer yoke 30. This causes anti- The rotating lever 33 rotates, the movable frame 46 operates, and the movable contact 45 moves against the fixed contact 42. and then separate.

[0013] According to this embodiment, the input electrode portion 4 of the substrate 5 of the rectifier 1 is connected to the coil terminal 7. At the same time, the board 5 is positioned in the recess 9 and the coil frame 2 is housed in the case 3. The board 5 is prevented from coming out from the recess 9 by the retaining part 10. In this case, the coil terminal 7 is plastically deformable, so that the tip of the coil terminal 7 protrudes from the coil frame 2. After the input electrode part 4 is connected, the board 5 can be stored in the recess 9. Since no fixing tools are required for the Because they are a tight fit, they are resistant to vibration and shock, and the substrate 5 can be inserted into the recess 9 at the end of the coil frame 2. Since it can be stored, space can be saved, and the space near the movable part 17 of the coil frame 2 can be saved. The resources can be used effectively without any hindrance.

[0014]

[Effect of the idea]

This devised rectifier fixing device for electromagnetic equipment connects the input electrode part of the rectifier board to the coil. Connect it to the terminal, position the board in the recess, and secure it to the base using the retaining part of the case. Since the plate is prevented from coming out from the recess, the coil terminal can be plastically deformed. After making the tip of the coil terminal protrude from the coil frame and connecting the input electrode part, The board can be stored in the recess, and no fixing devices are required, making assembly easier. It has good workability, and since the board is positioned and fitted into the recess, it is resistant to vibration and shock. The board can be stored in the recess at the end of the coil frame, saving space. The effect is that the space near the movable parts of the frame can be used effectively without any problems. There is.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of an electromagnetic contactor to which an embodiment of the present invention is applied.

FIG. 2 is a partial front view of the coil frame in a state where the rectifier is housed.

FIG. 3 is a back view of the rectifier.

FIG. 4 is a rectifier circuit diagram.

FIG. 5 is a sectional view of the coil frame before the rectifier is housed.

FIG. 6 is a sectional view of the coil frame in a state where the rectifier is housed.

FIG. 7 is a cross-sectional view of the electromagnetic contactor.

FIG. 8 is a cross-sectional view of an electromagnet.

FIG. 9 is a perspective view of a conventional example.

[Explanation of symbols]

1 Rectifier 2 Coil frame 3 cases 4 Input electrode section 5 Substrate 7 Coil terminal 9 Recess 10 Retaining part 35 Storage part

Claims (1)

[Scope of utility model registration request] 1. A rectifier having a substrate provided with an input electrode portion, and a coil frame having a recessed portion at an end portion for positioning and fitting the substrate, and having a plastically deformable coil terminal connected to the input electrode portion. A rectifier fixing device for an electromagnetic device, comprising: a case having a storage part for storing the coil frame and a retaining part for preventing the board from coming out from the recess.