CN211017090U

CN211017090U - Protection type diode structure

Info

Publication number: CN211017090U
Application number: CN201921968810.0U
Authority: CN
Inventors: 王兴志
Original assignee: Jiangsu Siecome Electronic Technology Co ltd
Current assignee: Jiangsu Siecome Electronic Technology Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-14
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a protection type diode structure, including the circuit board body, both sides all bond there is the fixing base around the circuit board body top, the inner chamber of fixing base is equipped with the diode body, the pin rod has all been run through to both sides around the fixing base, the inner chamber of fixing base and the position that corresponds with the pin rod inlay and be equipped with the sliding sleeve, the inner chamber of sliding sleeve and the surface sliding connection of pin rod, one side welding that the pin rod is close to mutually has first fixed block. The utility model discloses a set up the effort of pin pole and spring, make the pin pole slide in the sliding sleeve to make the mutual joint of first fixed block and second fixed block, thereby make the diode body fix in the fixing base, avoided the diode because of rocking the cracked condition of pin welding point appearance, solved current pin welding department and only leaned on the welding support, cracked problem can appear in the welding point when rocking or colliding, thereby ensured the normal use of circuit board.

Description

Protection type diode structure

Technical Field

The utility model relates to a diode technical field specifically is a protection type diode structure.

Background

In a diode electronic component, a device with two electrodes only allows current to flow in a single direction, many of the devices use the rectification function, a varactor diode is used as an electronic adjustable capacitor, the current directivity of most diodes is generally called as the rectification function, the most common function of the diode is to only allow current to flow in a single direction and block the current in the reverse direction, therefore, the diode can be thought of as a check valve of an electronic version, the diode is generally welded on a circuit board through pins, and because the welding position is supported only by welding, when the circuit board is shaken or collided, the welding point can be loosened or broken, thereby affecting the normal use of the circuit board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protection type diode structure possesses and prevents that diode pin welding department from appearing rocking and cracked advantage appears, has solved current pin welding department and only has leaned on the welding support, and cracked problem can appear in the welding point when rocking or colliding.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protection type diode structure, includes the circuit board body, both sides all bond the fixing base around the circuit board body top, the inner chamber of fixing base is equipped with the diode body, the pin pole has all been run through to both sides around the fixing base, the inner chamber of fixing base and the position that corresponds with the pin pole inlay and be equipped with the sliding sleeve, the inner chamber of sliding sleeve and the sliding surface connection of pin pole, the one side welding that the pin pole is close to mutually has first fixed block, one side welding that the pin pole was kept away from mutually has the support handle, the surface cover of pin pole is equipped with the spring, one side and the support handle welding that the spring is close to the support handle, one side that the support handle was kept away from to the spring welds with the junction of fixing base, both sides all bond the second fixed block around the.

Preferably, the bottom of the inner cavity of the fixing seat is provided with an arc-shaped groove, the inner surface wall of the arc-shaped groove is bonded with a protection pad, and the inner surface of the protection pad is tightly attached to the bottom of the diode body.

Preferably, the surfaces of the first fixing block and the second fixing block are both subjected to arc treatment, and the first fixing block and the second fixing block are mutually matched and clamped.

Preferably, pins are arranged on two sides of the diode body, a protruding block is integrally welded on one side, away from the diode body, of each pin, and the top edge of each protruding block is one millimeter lower than the top edge of each pin.

Preferably, the inner surface of the fixing seat is provided with a concave cavity, and the size of the concave cavity is larger than the diameter of the diode body.

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

the utility model discloses a set up the effort of pin pole and spring, make the pin pole slide in the sliding sleeve to make the mutual joint of first fixed block and second fixed block, thereby make the diode body fix in the fixing base, avoided the diode because of rocking the cracked condition of pin welding point appearance, solved current pin welding department and only leaned on the welding support, cracked problem can appear in the welding point when rocking or colliding, thereby ensured the normal use of circuit board.

The bottom of the diode body is protected by arranging the protection pad in the arc-shaped groove, so that the situation that the diode is damaged due to collision is avoided;

the surfaces of the first fixing block and the second fixing block are both subjected to arc treatment, so that the clamping stagnation condition of the two fixing blocks when the two fixing blocks are mutually clamped is avoided, and the clamping is smoother;

the top edge of the bump is lower than the top edge of the pin by one millimeter, so that the bottom of the bump is better contacted with the top of the circuit board body, and the pin and the circuit board body are conveniently welded.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side sectional view of the fixing base of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a circuit board body; 2. a fixed seat; 3. a diode body; 4. a pin rod; 5. a sliding sleeve; 6. a first fixed block; 7. a support handle; 8. a spring; 9. a second fixed block; 10. an arc-shaped slot; 11. a protection pad; 12. a pin; 13. and (4) a bump.

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.

Examples

Referring to fig. 1-3, a protection type diode structure comprises a circuit board body 1, wherein fixed bases 2 are respectively bonded to the front side and the rear side of the top of the circuit board body 1, diode bodies 3 are arranged in inner cavities of the fixed bases 2, pin rods 4 penetrate through the front side and the rear side of the fixed bases 2, sliding sleeves 5 are embedded in the inner cavities of the fixed bases 2 and correspond to the pin rods 4, the inner cavities of the sliding sleeves 5 are slidably connected with the surfaces of the pin rods 4, a first fixed block 6 is welded on one side, close to the pin rods 4, of each pin rod 4, a support handle 7 is welded on the other side, far away from the pin rods 4, springs 8 are sleeved on the surfaces of the pin rods 4, one sides, close to the support handles 7, of the springs 8 are welded with the support handles 7, one sides, far away from the support handles 7, of the springs 8 are welded with the joints of the fixed bases 2, second fixed blocks, make pin rod 4 slide in sliding sleeve 5 to make first fixed block 6 and the mutual joint of second fixed block 9, thereby make diode body 3 fix in fixing base 2, avoided the diode because of rocking the cracked condition appears in the 12 welding points of pin appearance, solved current pin welding department and only leaned on the welding support, cracked problem can appear in the welding point when rocking or colliding, thereby ensured the normal use of circuit board.

In this embodiment, specifically, arc wall 10 has been seted up to the bottom of 2 inner chambers of fixing base, and the interior table wall of arc wall 10 bonds and has protection pad 11, and the internal surface of protection pad 11 closely laminates with diode body 3's bottom, through setting up protection pad 11 in the arc wall 10, protects diode body 3's bottom, avoids colliding the condition that makes the diode appear damaging.

In this embodiment, it is concrete, the arc processing is all done to the surface of first fixed block 6 and second fixed block 9, and first fixed block 6 and second fixed block 9 mutually support the joint, all do the arc processing through the surface that sets up first fixed block 6 and second fixed block 9, avoid two fixed blocks to appear the circumstances of jamming when mutual joint to make the joint more smooth.

In this embodiment, specifically, both sides of diode body 3 all are provided with pin 12, and the integrative welding of one side that diode body 3 was kept away from to pin 12 has lug 13, and the top edge of lug 13 is less than one millimeter on the top edge of pin 12, and the top edge through setting up lug 13 is less than one millimeter on the top edge of pin 12, makes the bottom of lug 13 better contact with the top of circuit board body 1, makes things convenient for the welding between pin 12 and the circuit board body 1.

In this embodiment, specifically, a concave cavity is formed on the inner surface of the fixing base 2, and the size of the concave cavity is larger than the diameter of the diode body 3.

During the use, when needing to weld between diode body 3 and the circuit board body 1, only need spur pin 4, pin 4 slides in sliding sleeve 5, make first fixed block 6 remove one section distance, then place diode body 3 in the cavity, after placing, loosen pin 4, pin 4 utilizes spring 8 and the effect of support handle 7 to slide in sliding sleeve 5, thereby make first fixed block 6 and the 9 joint of second fixed block, protection pad 11 in the arc wall 10 protects diode body 3's bottom, the diode is fixed to be accomplished the back, utilize welding technique to weld between lug 13 and the circuit board, this kind of structure avoids the diode because of rocking and the cracked condition appears in pin 12 welding points, thereby the normal use of circuit board has been ensured.

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 protection type diode structure, includes circuit board body (1), its characterized in that: the front side and the rear side of the top of the circuit board body (1) are both bonded with a fixed seat (2), the inner cavity of the fixed seat (2) is provided with a diode body (3), pin rods (4) penetrate through the front side and the rear side of the fixed seat (2), a sliding sleeve (5) is embedded in the inner cavity of the fixed seat (2) and at the position corresponding to the pin rod (4), the inner cavity of the sliding sleeve (5) is connected with the surface of the pin rod (4) in a sliding way, one side of the pin rod (4) close to the sliding sleeve is welded with a first fixed block (6), a support handle (7) is welded on one side of the pin rod (4) far away from the pin rod, a spring (8) is sleeved on the surface of the pin rod (4), one side of the spring (8) close to the support handle (7) is welded with the support handle (7), one side of the spring (8) far away from the support handle (7) is welded with the joint of the fixed seat (2), and the front side and the rear side of the surface of the diode body (3) are both bonded with second fixed blocks (9).

2. A guarded diode structure according to claim 1, wherein: arc wall (10) have been seted up to the bottom of fixing base (2) inner chamber, the interior surface wall of arc wall (10) bonds and has protection pad (11), the internal surface of protection pad (11) closely laminates with the bottom of diode body (3).

3. A guarded diode structure according to claim 1, wherein: the surface of the first fixing block (6) and the surface of the second fixing block (9) are both subjected to arc treatment, and the first fixing block (6) and the second fixing block (9) are mutually matched and clamped.

4. A guarded diode structure according to claim 1, wherein: both sides of diode body (3) all are provided with pin (12), integrative welding of one side that diode body (3) were kept away from in pin (12) has lug (13), the top edge of lug (13) is less than pin (12) top edge one millimeter.

5. A guarded diode structure according to claim 1, wherein: the inner surface of the fixed seat (2) is provided with a concave cavity, and the size of the concave cavity is larger than the diameter of the diode body (3).