CN210467530U

CN210467530U - Pin-inserting type transformer framework

Info

Publication number: CN210467530U
Application number: CN201921865552.3U
Authority: CN
Inventors: 曾东; 王志成
Original assignee: Longnan Dongjun Electronic Product Co ltd
Current assignee: Longnan Dongjun Electronic Product Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-05-05
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a contact pin formula transformer skeleton, including skeleton and iron core, the bottom of skeleton is equipped with the contact pin, the iron core is in the top of skeleton, the last fixed surface of skeleton is connected with damping device, damping device includes two curb plates, the lower surface of curb plate is connected with the last fixed surface of skeleton, the through-hole has been seted up to the side of curb plate, the inner wall sliding connection of through-hole has the slide bar, two be equipped with the framework in the opposite side of curb plate. The utility model discloses, use through the cooperation between the above-mentioned structure, solved in the in-service use, because traditional shock attenuation seat only can deal with the vibration that produces from vertical direction, and to produced vibration on the horizontal direction, be difficult to quick filtration or absorption cause the stitch to receive exogenic action, easily take place deformation or come off from the pinhole on the PCB board, be difficult to carry out abundant protection to iron core and stitch, bring inconvenient problem for the use.

Description

Pin-inserting type transformer framework

Technical Field

The utility model relates to a transformer protection technical field specifically is a contact pin formula transformer skeleton.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers; the pin transformer is one of transformers; the pin transformer is also called as a PCB transformer or a pin transformer, and is a transformer which is mounted on a PCB circuit board, wherein the input winding and the output winding of the pin are arranged on a framework of the transformer by molding and used for welding; the pin type transformer comprises a framework, wherein the bottom of the framework is provided with a direct-inserting pin, an elastic sheath is sleeved and fixed on the direct-inserting pin, a shock absorption seat is fixed at the center of the top of the framework through a bolt, an iron core is installed at the top of the shock absorption seat, a winding is wound inside the iron core, the shock absorption seat comprises a positioning plate, a sliding rail, a first supporting spring, a seat body, a sliding groove, a fixing plate, a second supporting spring and a sliding block, the seat body is fixed at the center of the top of the framework through the positioning plate which is installed on the periphery of the seat body, the sliding groove is formed in the center of the top of the seat body, the sliding rail is embedded and installed on the inner walls of two corresponding sides of the sliding groove, the slide rail is connected with slide blocks in a sliding way, and the two slide blocks are connected through a fixed plate. The utility model has novel structure, ingenious conception, convenient use, safety, simplicity and convenience, and simultaneously has the functions of shock absorption and safety protection;

however, in the actual use process, the traditional shock absorption seat can only deal with the vibration generated in the vertical direction, and the vibration generated in the horizontal direction is difficult to rapidly filter or absorb, so that the pins are subjected to the action of external force and are easy to deform or fall off from the pinholes on the PCB, the iron core and the pins are difficult to be fully protected, and the inconvenience is brought to the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pin type transformer skeleton improves traditional device, has solved the problem of background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a contact pin formula transformer skeleton, includes skeleton and iron core, the bottom of skeleton is equipped with the contact pin, the iron core is in the top of skeleton, the last fixed surface of skeleton is connected with damping device.

The damping device comprises two side plates, the lower surfaces of the side plates are fixedly connected with the upper surface of a framework, the side surfaces of the side plates are provided with through holes, the inner walls of the through holes are connected with slide rods in a sliding manner, frame bodies are arranged in the opposite sides of the two side plates, one ends of the slide rods, which are close to the frame bodies, are fixedly connected with the side surfaces of the frame bodies, the surfaces of the slide rods, which are close to one ends of the frame bodies, are sleeved with first reset springs, one ends of the first reset springs are fixedly connected with the side surfaces of the side plates, the other ends of the first reset springs are fixedly connected with the side surfaces of the frame bodies, the inner walls of the frame bodies are fixedly connected with two symmetrical positioning rods, an iron core is positioned in the frame bodies, two sides of the iron core are fixedly connected with two sliding plates, the sliding plates are penetrated by the positioning rods and, the other end of the second return spring is fixedly connected with the surface of the sliding plate.

Preferably, the top of the side plate is higher than the upper surface of the frame body, and the top of the side plate is an arc-shaped surface.

Preferably, the number of the through holes on the side plate is two, and the two through holes are symmetrically arranged by using the horizontal center line of the side plate.

Preferably, one end of the sliding rod, which is far away from the frame body, is fixedly connected with an anti-falling block, and the side face of the anti-falling block can be movably connected with the side face of the side plate.

Preferably, the inner wall of the frame body is provided with a sliding chute, and one side of the sliding plate, which is far away from the iron core, is in sliding connection with the inner wall of the sliding chute.

Preferably, one side of the sliding groove far away from the iron core is an arc-shaped surface, and the sliding plate is connected with the inner wall of the sliding groove in a sliding mode through the arc-shaped surface on the sliding groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

firstly, the damping device is connected with the framework through the side plate; through the matching use of the side plates, the through holes, the sliding rods, the frame body and the first reset springs, once vibration in the horizontal direction exists on the PCB, the generated vibration can be filtered and absorbed through the first reset springs on the sliding rods, so that the iron core can be kept stable in the horizontal direction, larger inertia is not easy to generate, stronger external force effect is not caused on the contact pins, and the contact pins are prevented from being bent or falling off from pin holes on the PCB;

the utility model can filter and absorb the vibration in the vertical direction generated on the PCB board through the matching use of the frame body, the positioning rod, the sliding plate and the reset spring II, further protect the iron core, realize the sufficient protection of the iron core, reduce the external force action of the contact pin and protect the contact pin;

three, the utility model discloses a cooperation between the above-mentioned structure is used, has solved in the in-service use, because traditional shock attenuation seat only can deal with the vibration that produces from vertical direction, and to produced vibration in the horizontal direction, is difficult to quick filtration or absorption, causes the stitch to receive exogenic action, easily takes place deformation or drops from the pinhole on the PCB board, is difficult to carry out abundant protection to iron core and stitch, brings inconvenient problem for the use.

Drawings

Fig. 1 is a front view of the side plate of the present invention;

fig. 2 is a bottom view of the frame body of the present invention.

In the figure: 1-framework, 2-contact pin, 3-iron core, 4-damping device, 5-side plate, 6-through hole, 7-slide bar, 8-frame, 9-reset spring I, 10-positioning rod, 11-slide plate, 12-reset spring II, 13-anti-drop block and 14-slide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: a pin-inserting type transformer framework comprises a framework 1 and an iron core 3, wherein the framework 1 plays a supporting and protecting role, a winding is wound in the iron core 3, a pin 2 is arranged at the bottom of the framework 1, the pin 2 is inserted into a jack on a PCB during installation, the devices are all parts known by technicians in the field, the structure and the principle of the device can be known by technicians through technical manuals or conventional experimental methods, and the device is only used, so that the details are not repeated; iron core 3 is in the top of skeleton 1, and the last fixed surface of skeleton 1 is connected with damping device 4, through damping device 4's setting, realizes abundant protection to iron core 3 and contact pin 2 in the device.

The damping device 4 comprises two side plates 5, the lower surfaces of the side plates 5 are fixedly connected with the upper surface of the framework 1, and the damping device 4 is connected with the framework 1 through the side plates 5; the side surface of the side plate 5 is provided with two through holes 6, the number of the through holes 6 on the side plate 5 is two, the two through holes 6 are symmetrically arranged by the horizontal central line of the side plate 5, the two through holes 6 correspond to the two slide bars 7 on the side plate 5, and the two slide bars 7 slide in the through holes 6, so that the left and right horizontal movement of the frame body 8 is further limited, and the stability in operation is improved; the inner wall of the through hole 6 is connected with a sliding rod 7 in a sliding mode, one end, far away from the frame body 8, of the sliding rod 7 is fixedly connected with an anti-falling block 13, the side face of the anti-falling block 13 can be movably connected with the side face of the side plate 5, the horizontal moving distance of the sliding rod 7 can be limited through the arrangement of the anti-falling block 13 on the sliding rod 7, excessive displacement of the anti-falling block is avoided, the anti-falling block is separated from the through hole 6, the frame body 8 is arranged in the opposite sides of the two side plates 5, a notch is formed in the lower surface of the frame body 8 and can be used for inserting of a required electric connection cable, the top of the side plate 5 is higher than the upper surface of the frame body 8, the top of the side plate 5 is an arc-shaped surface, the internal device is fully protected through the fact that the height of; one end, close to the frame body 8, of the sliding rod 7 is fixedly connected with the side face of the frame body 8, a first return spring 9 is sleeved on the surface, close to one end of the frame body 8, of the sliding rod 7, one end of the first return spring 9 is fixedly connected with the side face of the side plate 5, the other end of the first return spring 9 is fixedly connected with the side face of the frame body 8, and the side plate 5, the through hole 6, the sliding rod 7, the frame body 8 and the first return spring 9 are matched for use, so that once vibration in the horizontal direction exists on a PCB (printed circuit board), the generated vibration can be filtered and absorbed through the first return spring 9 on the sliding rod 7, the iron core 3 can be kept stable in the horizontal direction, larger inertia is not easy to generate, stronger external force effect is caused on the contact pin 2, and the; the inner wall of the frame body 8 is fixedly connected with two symmetrical positioning rods 10, the iron core 3 is positioned in the frame body 8, two sliding plates 11 are fixedly connected to two sides of the iron core 3, the sliding plates 11 are penetrated through by the positioning rods 10 and are in sliding connection with the positioning rods 10, a sliding groove 14 is formed in the inner wall of the frame body 8, one side, far away from the iron core 3, of each sliding plate 11 is in sliding connection with the inner wall of the corresponding sliding groove 14, and the up-down sliding path of the iron core 3 in the frame body 8 is limited through the sliding of the sliding plates 11 in the sliding grooves 14, so that the up-down; one side of the sliding chute 14, which is far away from the iron core 3, is an arc-shaped surface, the sliding plate 11 is in sliding connection with the inner wall of the sliding chute 14 through the arc-shaped surface on the sliding chute, and the sliding of the sliding plate 11 on the sliding chute 14 can be smoother and is not easy to clamp through the sliding of the arc-shaped surface on the sliding plate 11 in the sliding chute 14; the surfaces of the positioning rods 10, which are close to the two ends, are sleeved with the second reset springs 12, and through the matched use of the frame body 8, the positioning rods 10, the sliding plate 11 and the second reset springs 12, the vibration in the vertical direction generated on the PCB can be filtered and absorbed, the iron core 3 is further protected, the iron core 3 is fully protected, meanwhile, the external force action on the contact pins 2 is reduced, and the contact pins 2 are protected; one end of a second return spring 12 is fixedly connected with the inner wall of the frame body 8, and the other end of the second return spring 12 is fixedly connected with the surface of the sliding plate 11

The working principle is as follows: when the pin-inserting type transformer framework is used, the damping device 4 is connected with the framework 1 through the side plate 5; through the matching use of the side plate 5, the through hole 6, the sliding rod 7, the frame body 8 and the first reset spring 9, once vibration in the horizontal direction exists on the PCB, the generated vibration can be filtered and absorbed through the first reset spring 9 on the sliding rod 7, so that the iron core 3 can be kept stable in the horizontal direction, larger inertia is not easy to generate, stronger external force effect is caused on the contact pin 2, and the contact pin 2 is prevented from being bent or falling off from a pinhole on the PCB; through the matched use of the frame body 8, the positioning rod 10, the sliding plate 11 and the second reset spring 12, the vibration in the vertical direction generated on the PCB can be filtered and absorbed, the iron core 3 is further protected, the iron core 3 is fully protected, meanwhile, the external force action on the contact pin 2 is reduced, and the contact pin 2 is protected; through the cooperation use between the above-mentioned structure, solved in the in-service use, because traditional cushion socket only can deal with the vibration that produces from vertical direction, and to produced vibration on the horizontal direction, be difficult to quick filtration or absorption cause the stitch to receive the exogenic action, easily take place deformation or drop from the pinhole on the PCB board, be difficult to carry out abundant protection to iron core and stitch, give the problem of using inconvenience.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a contact pin formula transformer skeleton, includes skeleton (1) and iron core (3), the bottom of skeleton (1) is equipped with contact pin (2), iron core (3) are in the top of skeleton (1), its characterized in that: the upper surface of the framework (1) is fixedly connected with a damping device (4);

the damping device (4) comprises two side plates (5), the lower surfaces of the side plates (5) are fixedly connected with the upper surface of the framework (1), the side surfaces of the side plates (5) are provided with through holes (6), the inner walls of the through holes (6) are connected with slide rods (7) in a sliding manner, framework bodies (8) are arranged in opposite sides of the two side plates (5), one ends, close to the framework bodies (8), of the slide rods (7) are fixedly connected with the side surfaces of the framework bodies (8), one ends, close to one ends of the framework bodies (8), of the slide rods (7) are sleeved with first reset springs (9), one ends of the first reset springs (9) are fixedly connected with the side surfaces of the side plates (5), the other ends of the first reset springs (9) are fixedly connected with the side surfaces of the framework bodies (8), the inner walls of the framework bodies (8) are fixedly connected with two symmetrical positioning rods (10), and the, the equal two slides of fixedly connected with (11) in both sides of iron core (3), slide (11) are run through by locating lever (10) and with locating lever (10) sliding connection, the surface that is close to both ends on locating lever (10) all overlaps and has reset spring two (12), the one end of reset spring two (12) and the inner wall fixed connection of framework (8), the other end of reset spring two (12) and the fixed surface of slide (11) are connected.

2. The pin transformer bobbin of claim 1, wherein: the top of the side plate (5) is higher than the upper surface of the frame body (8), and the top of the side plate (5) is an arc-shaped surface.

3. The pin transformer bobbin of claim 1, wherein: the number of the through holes (6) on the side plate (5) is two, and the two through holes (6) are symmetrically arranged by using the horizontal central line of the side plate (5).

4. The pin transformer bobbin of claim 1, wherein: one end of the sliding rod (7) far away from the frame body (8) is fixedly connected with an anti-falling block (13), and the side face of the anti-falling block (13) can be movably connected with the side face of the side plate (5).

5. The pin transformer bobbin of claim 1, wherein: the inner wall of the frame body (8) is provided with a sliding groove (14), and one side of the sliding plate (11) far away from the iron core (3) is connected with the inner wall of the sliding groove (14) in a sliding mode.

6. The pin transformer bobbin of claim 5, wherein: one side of the sliding groove (14) far away from the iron core (3) is an arc-shaped surface, and the sliding plate (11) is connected with the inner wall of the sliding groove (14) in a sliding mode through the arc-shaped surface on the sliding groove.