CN216648173U

CN216648173U - Relay puller mounting structure and relay module

Info

Publication number: CN216648173U
Application number: CN202122942698.7U
Authority: CN
Inventors: 林藩衍; 苏冰波; 邱桂林
Original assignee: Xiamen Hongfa Electroacoustic Co Ltd
Current assignee: Xiamen Hongfa Electroacoustic Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-31
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a relay puller mounting structure and a relay module, wherein the mounting structure comprises a PCB (printed circuit board) of the relay module and a puller, and the puller is provided with two clamping legs for clamping a relay; the PCB board is provided with two clamping structures which correspond to the two clamping legs of the puller one by one, and the two clamping legs of the puller are detachably clamped with the two clamping structures respectively. The utility model utilizes the clamping fit of the two clamping legs of the extractor and the two clamping structures on the PCB board, so that the extractor can be directly installed on the PCB board, and the structure for loading the extractor can be saved, thereby achieving the purposes of reducing the occupied space, reducing the use of unnecessary parts, reducing the product cost and the like.

Description

Relay puller mounting structure and relay module

Technical Field

The utility model relates to the technical field of relays, in particular to a relay puller mounting structure and a relay module.

Background

At present, along with the continuous perfect of china's industry level is with development, many industrial equipment have moved towards the miniaturization, the orientation development integrates, in the automatic electrical control cabinet in the past, equipment control load all can be in addition miniature auxiliary relay, under the present industrial automation has been to the prerequisite of integrating the orientation rapid development, relay module has then been developed, single miniwatt relay in the electrical control cabinet of relay module integrates, the serialization, the intermediate junction link has been reduced, the performance of product has been improved. In addition, in order to facilitate the replacement of the relays on the relay module, each group of relays are provided with sockets, so that the relays can be directly plugged and pulled out or replaced by using tools, and the maintenance is convenient.

The relay in the above-mentioned relay module generally adopts the extraction tool to extract when changing, and the mounting means structure of current relay extraction tool mainly divide into two kinds, one kind adopts independent extraction tool socket installation, and another kind is installed the extraction tool on the module shell, and these two kinds of structures have been used in each brand product in a large number. However, the first structure has the disadvantages that a separate extractor socket is required, because the socket needs to be mounted on a PCB, a certain space is occupied, and in addition, the cost is increased due to the separate mounting seat; the second structure has the disadvantages that the structure is matched with the shell, and for some relay modules which are expected to be simply installed or do not need shell parts, the structure complexity is increased, the number of applied part materials is large, and the cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model provides a relay puller mounting structure and a relay module aiming at the technical problems in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a relay puller mounting structure comprises a PCB of a relay module and a puller, wherein the puller is provided with two clamping legs for clamping a relay; the PCB board is provided with two clamping structures which correspond to the two clamping legs of the puller one by one, and the two clamping legs of the puller are detachably clamped with the two clamping structures respectively.

Further, the relative medial surface of two centre gripping leg bottoms is equipped with the joint recess respectively, the joint structure is including running through the through-hole of PCB board upper and lower surface with locate this through-hole inner wall and with the joint boss that the joint recess corresponds, two centre gripping legs pass the through-hole that corresponds downwards respectively, and its joint recess cooperates with the joint boss joint that corresponds.

Furthermore, the bottom surface of joint boss is first direction inclined plane, and this first direction inclined plane is close to the one end at through-hole center is high-end, keeps away from the one end at through-hole center is the low side, and this first direction inclined plane is right the joint recess leads when breaking away from with the joint boss.

Furthermore, the relative medial surface of two centre gripping legs is equipped with respectively and is located second direction inclined plane below the joint recess, the upper end on this second direction inclined plane with the horizontal interval on the tank bottom surface of joint recess be greater than the lower extreme on second direction inclined plane with the horizontal interval on the tank bottom surface of joint recess.

Furthermore, a pulling boss is arranged at the top of the pulling device.

Furthermore, the front side surface and the rear side surface of the pull-up boss are respectively in an inverted trapezoid shape.

Furthermore, the front side and the rear side of the pulling boss are respectively provided with an anti-skid convex rib or an anti-skid convex bud.

The utility model also provides a relay module, which comprises a plurality of relays and a plurality of sockets, wherein the relays correspond to the sockets one by one, and each relay is respectively inserted into the corresponding socket; the relay puller mounting structure further comprises a plurality of sockets, wherein the sockets are respectively arranged on the PCB.

Further, a plurality of relays discharge one row, the PCB board sets up a plurality of input binding post and a plurality of output binding post respectively in the relative both sides of relay.

Furthermore, the PCB board is fixed on a bottom plate, and two opposite sides of the bottom plate in the distribution direction of the relays are respectively provided with a protective side plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model utilizes the clamping fit of the two clamping legs of the extractor and the two clamping structures on the PCB board, so that the extractor can be directly installed on the PCB board, and the structure for loading the extractor can be saved, thereby achieving the purposes of reducing the occupied space, reducing the use of unnecessary parts, reducing the product cost and the like.

2. The clamping grooves arranged on the two clamping legs are matched with a clamping structure formed by the through holes and the clamping convex parts on the PCB in a clamping mode, and the clamping structure is simple in structure, firm in fixation and convenient to assemble and disassemble.

The utility model is further explained in detail with the accompanying drawings and the embodiments; however, the relay puller mounting structure and the relay module according to the present invention are not limited to the embodiments.

Drawings

FIG. 1 is a front view of the extractor of the present invention;

FIG. 2 is a cross-sectional view of the starting block of the present invention in a mated state with a PCB board;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a schematic perspective view of a relay module according to the present invention;

the clamping device comprises a puller 1, a clamping leg 11, a clamping groove 111, a clamping groove 112, a second guide inclined plane 2, a PCB board 21, a through hole 22, a clamping boss 221, a first guide inclined plane 3, a relay 4, a socket 5, an input wiring terminal 6, an output wiring terminal 7, a bottom plate 8 and a protection side plate.

Detailed Description

The terms "first," "second," and the like, herein are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. In the description, the directions or positional relationships indicated by "up", "down", "left", "right", "front" and "rear" are used based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the device referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the scope of the present invention. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1-3, the relay extractor mounting structure of the present invention includes a PCB 2 of a relay module and an extractor 1, where the extractor 1 has two clamping legs 11 for clamping a relay, the PCB 2 is provided with two clamping structures corresponding to the two clamping legs 11 of the extractor 1, and the two clamping legs 11 of the extractor 1 are detachably clamped with the two clamping structures respectively. In this way, the extractor 1 can be directly mounted on the PCB 2, so that a structure for loading the extractor 1, such as a socket or a housing, can be omitted.

In this embodiment, the relative medial surface of two centre gripping legs 11 bottoms is equipped with joint recess 111 respectively, the joint structure is including running through the through-hole 21 of 2 upper and lower surfaces of PCB board with locate this through-hole 21 inner wall and with the joint boss 22 that joint recess 111 corresponds, two centre gripping legs 11 pass corresponding through-hole 21 downwards respectively, and its joint recess 111 cooperates with the joint boss 22 joint that corresponds. In other embodiments, the opposite inner sides of the two clamping legs are respectively provided with a barb, the clamping structure comprises a clamping hole penetrating through the upper surface and the lower surface of the PCB, the two clamping legs respectively penetrate through the corresponding clamping holes downwards, and the barbs are clamped at the bottom edges of the corresponding clamping holes.

In this embodiment, in order to make the bottoms of the two clamping legs 11 quickly enter and exit the through hole 21, the following method is adopted in the present invention: the bottom surface of the clamping boss 22 is a first guide inclined surface 221, one end of the first guide inclined surface 221, which is close to the center of the through hole 21, is a high end, and one end of the first guide inclined surface 221, which is far away from the center of the through hole 21, is a low end, and the first guide inclined surface 221 guides the clamping groove 111 when being separated from the clamping boss 22; the opposite inner sides of the two clamping legs 11 are respectively provided with a second guide inclined plane 112 positioned below the clamping groove 111, and the horizontal distance between the upper end of the second guide inclined plane 112 and the groove bottom surface of the clamping groove 111 is larger than the horizontal distance between the lower end of the second guide inclined plane 112 and the groove bottom surface of the clamping groove 111.

In this embodiment, the top of the extractor 1 is provided with an extracting boss 12. The front side and the rear side of the pull-up boss 12 are respectively in an inverted trapezoid shape. The front side and the back side of the pull-up boss 12 are respectively provided with a plurality of horizontal anti-skid convex ribs 121, and the protective convex ribs 121 can be replaced by anti-skid convex bracts and the like.

According to the relay puller mounting structure, when the puller 1 is mounted, firstly, two clamping legs 11 of the puller 1 are respectively aligned to two through holes 21 of a PCB 2, and the two clamping legs 11 are respectively pressed into the two corresponding through holes 21, in the pressing-in process, second guide inclined planes 112 on the two clamping legs 11 are respectively contacted with the upper ends of corresponding clamping bosses 22 to form guide, along with the continued stress of the puller 1, the bottoms of the two clamping legs 11 are slightly elastically expanded to avoid the clamping convex parts and downwards penetrate through the two through holes 21 of the PCB 2, meanwhile, clamping grooves 111 at the bottoms of the two clamping legs 11 reach the parts corresponding to the clamping convex parts and are mutually clamped, as shown in figures 2 and 3, and therefore the mounting of the puller 1 is completed.

When the puller 1 needs to be detached to pull up the relay, only the pulling boss 12 at the top of the puller 1 needs to be pinched, and the puller 1 is pulled up, in the process, the lower ends of the notches of the clamping grooves 111 of the two clamping legs 11 respectively contact the first guide inclined planes 221 of the corresponding clamping bosses 22, under the guide of the first guide inclined planes 221, the clamping grooves 111 of the two clamping legs 11 are respectively and rapidly separated from the corresponding clamping bosses 22, so that the bottoms of the two clamping legs 11 can smoothly push out the corresponding through holes 21 on the PCB, and the puller 1 is detached.

According to the relay puller mounting structure, the two clamping legs 11 of the puller 1 are clamped and matched with the two clamping structures on the PCB 2, so that the puller 1 can be directly mounted on the PCB 2, the structure for loading the puller 1 can be omitted, the occupied space can be reduced, the use of unnecessary parts can be reduced, the product cost can be reduced, and the like.

Referring to fig. 4, a relay module according to the present invention includes a plurality of relays 3 and a plurality of sockets 4, the relays 3 correspond to the sockets 4 one by one, and each relay 3 is inserted into the corresponding socket 4; the relay puller mounting structure further comprises a plurality of sockets 4, wherein the sockets 4 are respectively arranged on the PCB 2.

In this embodiment, a plurality of relays 3 discharge one row, PCB board 2 sets up a plurality of input binding post 5 and a plurality of output binding post 6 respectively in the both sides that relays 3 are relative.

In this embodiment, the PCB 2 is fixed on a bottom plate 7, and two opposite sides of the bottom plate 7 in the distribution direction of the plurality of relays 3 are respectively provided with a protective side plate 8.

In the relay module of the present invention, regarding the matching structure, the working principle, etc. of the extractor 1 and the PCB 2, please refer to the description part of the above description, which is not repeated herein.

The installation structure of the relay puller and the relay module are the same as those of the prior art or can be realized by adopting the prior art.

The above embodiments are only used to further illustrate the relay lifter mounting structure and the relay module of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.

Claims

1. A relay puller mounting structure comprises a PCB of a relay module and a puller, wherein the puller is provided with two clamping legs for clamping a relay; the method is characterized in that: the PCB board is provided with two clamping structures which correspond to the two clamping legs of the puller one by one, and the two clamping legs of the puller are detachably clamped with the two clamping structures respectively.

2. The relay puller mounting structure according to claim 1, wherein: the relative medial surface of two centre gripping leg bottoms is equipped with the joint recess respectively, the joint structure is including running through the through-hole of PCB board upper and lower surface with locate this through-hole inner wall and with the joint boss that the joint recess corresponds, two centre gripping legs pass the through-hole that corresponds downwards respectively, and its joint recess cooperates with the joint boss joint that corresponds.

3. The relay puller mounting structure according to claim 2, wherein: the bottom surface of the clamping boss is a first guide inclined plane, one end, close to the center of the through hole, of the first guide inclined plane is high, one end, far away from the center of the through hole, of the first guide inclined plane is low, and the first guide inclined plane guides the clamping groove when the clamping groove is separated from the clamping boss.

4. The relay puller mounting structure according to claim 2, wherein: the opposite inner sides of the two clamping legs are respectively provided with a second guide inclined plane which is positioned below the clamping groove, and the horizontal distance between the upper end of the second guide inclined plane and the groove bottom surface of the clamping groove is larger than the horizontal distance between the lower end of the second guide inclined plane and the groove bottom surface of the clamping groove.

5. The relay puller mounting structure according to any one of claims 1 to 4, wherein: and the top of the extractor is provided with an extraction boss.

6. The relay puller mounting structure according to claim 5, wherein: the front side surface and the rear side surface of the pull-up boss are respectively in an inverted trapezoid shape.

7. The relay puller mounting structure according to claim 5, wherein: the front side and the rear side of the pulling boss are respectively provided with an anti-skid convex rib or an anti-skid convex bud.

8. A relay module comprises a plurality of relays and a plurality of sockets, wherein the relays correspond to the sockets one by one, and each relay is respectively inserted into the corresponding socket; the method is characterized in that: the relay puller mounting structure of any one of claims 1-7, further comprising the plurality of sockets respectively disposed on the PCB board.

9. The relay module according to claim 8, wherein: the plurality of relays are discharged in one row, and the PCB is provided with a plurality of input wiring terminals and a plurality of output wiring terminals on two opposite sides of the relays respectively.

10. The relay module according to claim 8, wherein: the PCB is fixed on a bottom plate, and two opposite sides of the bottom plate in the distribution direction of the relays are respectively provided with a protective side plate.