CN217485426U

CN217485426U - Transient voltage suppression diode and electronic product

Info

Publication number: CN217485426U
Application number: CN202220779441.6U
Authority: CN
Inventors: 周新芳
Original assignee: Guangdong Changjing Electronics Co ltd
Current assignee: Guangdong Changjing Electronics Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-09-23
Anticipated expiration: 2032-04-06

Abstract

The utility model relates to the technical field of diodes, and discloses a transient voltage suppression diode, which comprises a diode unit and a pin protective sleeve unit sleeved at two ends of the diode unit, wherein a reinforced hard tube is arranged inside a rubber protective sleeve, a pin protective reinforcing sleeve end is fixedly arranged at one side of a sealing connecting sleeve head end, an electrode pin penetrates through the pin protective reinforcing sleeve end, so that the pin protective reinforcing sleeve end can carry out anti-breaking protection on the electrode pin, the connecting sleeve end is sleeved at two ends of the diode unit to facilitate disassembly and assembly, a clamping convex ring is arranged on the inner wall of the sealing connecting sleeve head end, inner concave clamping grooves are arranged at two ends of the outer side of a soft rubber protective shell layer, the clamping convex ring is clamped and positioned in the inner concave clamping grooves, so that the connection is firmer, and an electronic product is disclosed, which comprises the transient voltage suppression diode, and the transient voltage suppressor diode is mounted in the electronic product.

Description

Transient voltage suppression diode and electronic product

Technical Field

The utility model relates to a diode technical field specifically is a transient voltage restraines diode and electronic product.

Background

A diode is an electronic device made of semiconductor material. It has one-way conducting performance, that is, when positive voltage is applied to the anode of the diode, the diode is conducted. When a reverse voltage is applied to the anode and the cathode, the diode is turned off. Therefore, turning on and off the diode corresponds to turning on and off the switch.

The conventional transient voltage suppression diode is very easy to cause the breakage of a pin when in use, so that the normal use of the diode is influenced, and the diode is very inconvenient.

To the problem, the utility model provides a transient voltage restraines diode and electronic product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transient voltage restraines diode and electronic product, including diode unit and suit at the pin lag unit at diode unit both ends, can prevent the rupture protection to the pin to solve the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a transient voltage suppression diode comprises a diode unit and pin protection cover units sleeved at two ends of the diode unit, wherein the diode unit comprises an inner core main body and a sealed protection shell piece fixedly coated on the inner core main body;

the pin lag unit is including connecting external member end and the fixed pin protection reinforcement sleeve end that sets up in connection external member end seal end one side, connect the external member end including sealing the adapter sleeve head end and fixedly setting up the extension sleeve end on sealing the adapter sleeve head end open end, it forms with extension sleeve end integrated into one piece and is connected external member end wholly to seal the adapter sleeve head end, and set up the protruding circle of joint on the inner wall that seals the adapter sleeve head end, pin protection reinforcement sleeve end includes rubber lag and the fixed reinforcement hard tube that sets up in rubber lag inside, and rubber lag and the seal end intercommunication that seals the adapter sleeve head end, and the electrode pin runs through pin protection reinforcement sleeve end.

Preferably, the core body includes an inner chip and electrode pins fixedly welded to both ends of the inner chip.

Preferably, the sealed protective casing member includes an epoxy resin sealed protective casing layer coated on the outer side of the inner chip and a soft glue outer protective casing layer fixedly disposed on the outer side of the epoxy resin sealed protective casing layer.

Preferably, the two ends of the outer side of the soft rubber outer protective shell layer are provided with concave clamping grooves.

An electronic product includes a TVS diode mounted in the electronic product.

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

1. the utility model provides a pair of transient voltage restraines diode, through strengthening the hard tube in the inside setting of rubber lag, and protect strengthening the fixed setting in one side of sealing the adapter sleeve head end of cover end with pin, and electrode pin runs through pin protection and strengthens the cover end, make pin protection and strengthen the cover end and prevent the rupture protection to electrode pin, and connect the both ends of external member end cover dress at the diode unit, conveniently dismantle and install, set up the protruding circle of joint on the inner wall of sealing the adapter sleeve head end, and set up indent joint groove at the outside both ends of the outer protective shell layer of flexible glue, carry out the block location including the protruding circle block of joint, make the connection more firm.

2. The utility model provides a pair of transient voltage restraines diode, the outside of chip including the cladding of epoxy sealed protective shell layer to with the fixed cladding in the outside of epoxy sealed protective shell layer of flexible glue outer protective shell layer, make the protection effect to the internal chip better.

Drawings

Fig. 1 is a schematic view of the overall structure of the transient voltage suppressor diode of the present invention;

fig. 2 is a schematic diagram of the diode unit structure of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of the pin protection cover unit of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3 of the present invention.

In the figure: 1. a diode unit; 11. an inner core main body; 111. an inner chip; 112. an electrode pin; 12. Sealing the protective enclosure member; 121. sealing the protective shell layer by epoxy resin; 122. a soft rubber outer protective shell layer; 1221. An inner concave clamping groove; 2. a pin protecting jacket unit; 21. connecting the sleeve member end; 211. sealing the head end of the connecting sleeve; 212. extending the sleeve end; 213. clamping the convex ring; 22. a pin protection reinforcing sleeve end; 221. a rubber protective sleeve; 222. and (5) reinforcing the hard pipe.

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. 1-4, a transient voltage suppressor diode includes a diode unit 1 and a pin protection cover unit 2 sleeved at two ends of the diode unit 1, where the diode unit 1 includes an inner core main body 11 and a sealed protection casing 12 fixedly covered on the inner core main body 11.

The pin protection sleeve unit 2 comprises a connection sleeve end 21 and a pin protection reinforcement sleeve end 22 fixedly arranged on one side of the sealing end of the connection sleeve end 21, the connection sleeve end 21 comprises a sealing connection sleeve end 211 and an extension sleeve end 212 fixedly arranged on the opening end of the sealing connection sleeve end 211, the sealing connection sleeve end 211 and the extension sleeve end 212 are integrally formed to form the whole connection sleeve end 21, a clamping convex ring 213 is arranged on the inner wall of the sealing connection sleeve end 211, the pin protection reinforcement sleeve end 22 comprises a rubber protection sleeve 221 and a reinforcement hard tube 222 fixedly arranged inside the rubber protection sleeve 221, the rubber protection sleeve 221 is communicated with the sealing end of the sealing connection sleeve end 211, the electrode pins 112 penetrate through the pin protection reinforcement sleeve end 22, the reinforcement hard tube 222 is arranged inside the rubber protection sleeve 221, and the pin protection reinforcement sleeve end 22 is fixedly arranged on one side of the sealing connection sleeve end 211, and electrode pin 112 runs through pin protection reinforcement sleeve end 22 for pin protection reinforcement sleeve end 22 prevents the breakage protection to electrode pin 112, and connects external member end 21 suit at the both ends of diode unit 1, conveniently dismantles and installs, sets up joint convex ring 213 on the inner wall of sealing the adapter sleeve head end 211.

The core body 11 includes an inner chip 111 and electrode pins 112 fixedly welded to both ends of the inner chip 111.

Sealed protective housing spare 12 is including the epoxy resin sealed protective housing layer 121 in the inner chip 111 outside of cladding and the fixed soft glue outer protective housing layer 122 that sets up in the epoxy resin sealed protective housing layer 121 outside, indent joint groove 1221 has been seted up at the outside both ends of the outer protective housing layer 122 of soft glue, the outside at inner chip 111 of epoxy resin sealed protective housing layer 121 cladding, and with the fixed cladding in the outside of the epoxy resin sealed protective housing layer 121 of the outer protective housing layer 122 of soft glue, make the protection effect to inner chip 111 better.

The concave clamping grooves 1221 are formed in the two ends of the outer side of the soft rubber outer protective shell layer 122, and the clamping convex ring 213 is clamped and positioned in the concave clamping grooves 1221, so that the connection is firmer.

An electronic product comprises a transient voltage suppression diode, and the transient voltage suppression diode is installed in the electronic product.

In summary, the following steps: the utility model provides a transient voltage restraines diode and electronic product, through set up the reinforcement hard tube 222 in rubber lag 221 inside, and with pin protection reinforcement sleeve end 22 fixed setting in one side of sealing the adapter sleeve head end 211, and electrode pin 112 runs through pin protection reinforcement sleeve end 22, make pin protection reinforcement sleeve end 22 carry out the anti-rupture protection to electrode pin 112, and adapter sleeve end 21 suit is at the both ends of diode unit 1, conveniently dismantle and install, set up joint protruding circle 213 on the inner wall of sealing adapter sleeve head end 211, and set up indent joint groove 1221 at the outside both ends of flexible glue outer protection shell layer 122, joint protruding circle 213 block carries out the block location in indent joint groove 1221, make the connection more firm; the epoxy resin sealing protective shell layer 121 is coated on the outer side of the inner chip 111, and the soft rubber outer protective shell layer 122 is fixedly coated on the outer side of the epoxy resin sealing protective shell layer 121, so that the inner chip 111 is better protected.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 transient voltage restraines diode, includes diode unit (1) and suit pin lag unit (2) at diode unit (1) both ends, its characterized in that: the diode unit (1) comprises an inner core main body (11) and a sealed protective shell piece (12) fixedly coated on the inner core main body (11);

the pin protection sleeve unit (2) comprises a connecting sleeve part end (21) and a pin protection reinforcing sleeve end (22) fixedly arranged on one side of the sealing end of the connecting sleeve part end (21), the connecting sleeve part end (21) comprises a sealing connecting sleeve head end (211) and an extension sleeve end (212) fixedly arranged on the opening end of the sealing connecting sleeve head end (211), the sealing connecting sleeve head end (211) and the extension sleeve end (212) are integrally formed to form a whole connecting sleeve part end (21), and a clamping convex ring (213) is arranged on the inner wall of the head end (211) of the sealing connecting sleeve, the pin protection reinforcing sleeve end (22) comprises a rubber protection sleeve (221) and a reinforcing hard tube (222) fixedly arranged in the rubber protection sleeve (221), and the rubber protective sleeve (221) is communicated with the sealing end of the sealing connecting sleeve head end (211), and the electrode pin (112) penetrates through the pin protective reinforcing sleeve end (22).

2. A transient voltage suppression diode as recited in claim 1, wherein: the inner core main body (11) comprises an inner chip (111) and electrode pins (112) fixedly welded at two ends of the inner chip (111).

3. A transient voltage suppression diode as recited in claim 2, wherein: the sealed protective shell member (12) comprises an epoxy resin sealed protective shell layer (121) coated on the outer side of the inner chip (111) and a soft rubber outer protective shell layer (122) fixedly arranged on the outer side of the epoxy resin sealed protective shell layer (121).

4. A transient voltage suppression diode as recited in claim 3, wherein: and the two ends of the outer side of the soft rubber outer protective shell layer (122) are provided with inner concave clamping grooves (1221).

5. An electronic product, characterized in that: comprising a transient voltage suppressor diode as claimed in any of claims 1-4, and the transient voltage suppressor diode is mounted in an electronic product.