CN208029191U - Component and circuit board assemblies - Google Patents
Component and circuit board assemblies Download PDFInfo
- Publication number
- CN208029191U CN208029191U CN201820330924.1U CN201820330924U CN208029191U CN 208029191 U CN208029191 U CN 208029191U CN 201820330924 U CN201820330924 U CN 201820330924U CN 208029191 U CN208029191 U CN 208029191U
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- Prior art keywords
- circuit board
- ontology
- cylinder
- location structure
- hook
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Abstract
The utility model provides a kind of component and circuit board assemblies, is related to technical field of electronic equipment, can ensure that the contact pads on the leg and circuit board of component are close, prevent rosin joint.The main technical schemes of the utility model are：A kind of component, for welding on circuit boards, the component includes：Ontology is provided with leg on the ontology, is used for and the pad solder on the circuit board；Location structure, one end of the location structure is connected to the ontology, and the other end of the location structure is provided with clamping portion, and the location structure is used for when the ontology and the welding circuit board, the location hole being inserted on the circuit board, and the clamping portion is connected in the circuit board.The component is mainly used for being installed on circuit board to realize its function.
Description
Technical field
The utility model is related to technical field of electronic equipment more particularly to a kind of components and circuit board assemblies.
Background technology
In the assembling process of electronic equipment, usually component is welded on circuit boards using circuit load technology, wherein
No pin or short leg surface-assembled component are mounted on printed circuit board (Printed by the methods of Reflow Soldering or immersed solder
Circuit Board, PCB) surface on, in the welding process, circuit board is heated to deform, at this time the leg of component
It is bad with the contact pads on circuit board surface, cause rosin joint.
Utility model content
In view of this, a kind of component of the utility model embodiment offer and circuit board assemblies, can ensure component
Leg and the contact pads on circuit board are close, prevent rosin joint.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions：
On the one hand, the utility model embodiment provides a kind of component, for welding on circuit boards, the component packet
It includes：
Ontology is provided with leg on the ontology, is used for and the pad solder on the circuit board；
One end of location structure, the location structure is connected to the ontology, and the other end of the location structure is provided with
Clamping portion, the location structure are used for when the ontology and the welding circuit board, the location hole being inserted on the circuit board,
And the clamping portion is connected in the circuit board.
Specifically, the location structure includes cylinder, and one end of the cylinder is connected to the ontology, and the clamping portion is
The hook of the cylinder other end is protruded from, the material of the location structure is material contracting with heat；
When the ontology and the welding circuit board, the cylinder passes through the location hole on the circuit board, the card
Catch on the bottom surface of the circuit board, the bottom surface of the circuit board one side opposite for the surface welded with the ontology.
Specifically, the hook is relatively fixed with the cylinder, and the hook protrudes from the side of the cylinder, the column
Body can generate elastic deformation relative to the ontology.
Specifically, the hook can generate elastic deformation relative to the cylinder.
Specifically, the quantity of the location structure is multiple, is respectively arranged at the opposite both sides of the ontology.
On the other hand, the utility model embodiment provides a kind of circuit board assemblies, including：Component and circuit board；
The component includes：
Ontology is provided with leg on the ontology；
One end of location structure, the location structure is connected to the ontology, and the other end of the location structure is provided with
Clamping portion；
The leg of the ontology is inserted into the pad solder on the circuit board, the location structure on the circuit board
Location hole, and the clamping portion is connected in the circuit board.
Specifically, the location structure includes cylinder, and one end of the cylinder is connected to the ontology, and the clamping portion is
The hook of the cylinder other end is protruded from, the material of the location structure is material contracting with heat；
The cylinder passes through the location hole on the circuit board, the hook to catch on the bottom surface of the circuit board, the electricity
The bottom surface of the road plate one side opposite for the surface welded with the ontology.
Specifically, the hook is relatively fixed with the cylinder, and the hook protrudes from the side of the cylinder, the column
Body can generate elastic deformation relative to the ontology.
Specifically, the hook can generate elastic deformation relative to the cylinder.
Specifically, the quantity of the location structure is multiple, is respectively arranged at the opposite both sides of the ontology.
A kind of component and circuit board assemblies that the utility model embodiment provides, are welded by component and circuit board
When connecing, the location structure of component body is inserted into the location hole on circuit board, makes the pad on the leg and circuit board on ontology
It is in contact, in carrying out welding process, the clamping portion of location structure is connected in circuit board always, so that between ontology and circuit board
It will not separate, to make the pad on the leg and circuit board on ontology remain close contact, prevent rosin joint.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for circuit board assemblies that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram for another circuit board assemblies that the utility model embodiment provides.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of component 1, for welding on the circuit board 2, member
Device 1 includes：Ontology 11 is provided with leg (not shown) on ontology 11, for the pad on circuit board 2 (in figure not
Show) welding；One end of location structure 12, location structure 12 is connected to ontology 11, and the other end of location structure 12 is provided with card
Socket part 121, location structure 12 are used for when ontology 11 and the welding of circuit board 2, the location hole 21 being inserted on circuit board 2, and are clamped
Portion 121 is connected in circuit board 2.
Wherein, component body 11 can pass through Reflow Soldering for no pin or short leg surface-assembled component, ontology 11
Or the methods of immersed solder welding is on the circuit board 2.By the way that the location structure 12 on ontology 11 is inserted into 2 upper Positioning holes 21 of circuit board,
Ontology 11 is set to be fixed relative to the position relationship of circuit board 2, the leg on ontology 11 is in contact with the pad on circuit board 2, will
Leg on ontology 11 is carried out with the pad on circuit board 2 in welding process, and clamping portion 121 is connected in circuit board 2 always, even if
Circuit board 2 is heated to deform, under the action of clamping portion 121 and circuit board 2 are clamped so that the leg on ontology 11 and circuit
Pad on plate 2 keeps being in close contact, and prevents rosin joint.Clamping between clamping portion 121 and circuit board 2 can be designed as：In electricity
Clamping structure is set in the location hole 21 of road plate 2, and clamping portion is clamped with clamping structure, and structure type can be according to the prior art
In snap fit be designed；Alternatively, location structure 12 passes through location hole 21, clamping portion 121 to be designed as hook, hook clamping
On the bottom surface of circuit board 2.
A kind of component that the utility model embodiment provides, when being welded it with circuit board, ontology is determined
Bit architecture is inserted into the location hole on circuit board, so that the leg on ontology is in contact with the pad on circuit board, welded
The clamping portion of Cheng Zhong, location structure are connected in circuit board always, so as to will not be separated between ontology and circuit board, to make ontology
On leg and circuit board on pad remain close contact, prevent rosin joint.
Specifically, location structure 12 includes cylinder 122, and one end of cylinder 122 is connected to ontology 11, and clamping portion 121 is convex
For the hook of 122 other end of cylinder, the material of location structure 12 is material contracting with heat；When ontology 11 and circuit board 2 weld, column
Body 122 passes through the location hole 21 on circuit board 2, hook to catch on the bottom surface 22 of circuit board 2, and the bottom surface 22 of circuit board 2 is and ontology
The opposite one side in surface of 11 welding.In ontology 11 and 2 welding process of circuit board, it is inserted into the location structure 12 of location hole 21
It is heated, since location structure 12 is made of material contracting with heat, then the meeting of location structure 12 contraction distortion so that hook tightly catches on circuit
The bottom surface 22 of plate 2, when circuit board 2 is heated to deform, hook strains at ontology 11 and circuit board 2 together so that ontology
Leg on 11 keeps being in close contact with the pad on circuit board 2, prevents rosin joint.The design structure is simple, easy processing, and can
It effectively prevent rosin joint.
Wherein, the design method of hook includes following two kinds：
A kind of embodiment is：Referring to Fig. 1, hook is relatively fixed with cylinder 122, and hook protrudes from the side of cylinder 122,
Cylinder 122 can generate elastic deformation relative to ontology 11.Wherein, hook can be an integral molding structure with cylinder 122, positioned
When structure 12 is inserted into location hole 21, cylinder 122 deforms under the action of 21 side wall of location hole relative to ontology 11 so that hook energy
Enough across location hole 21, when hook passes completely through location hole 21, cylinder 122 is restored to original position, and hook is located at the bottom of circuit board 2
Face 22, later when welding ontology 11 with circuit board 2, hook to be in close contact between ontology 11 and circuit board 2.
Another embodiment is：Referring to Fig. 2, hook can generate elastic deformation relative to cylinder 122.In original state
Under, there is certain gap between hook and cylinder 122, when location structure 12 is inserted into location hole 21, be hooked in location hole 21
Side wall under the action of to cylinder 122 deformation draw close, when hook passes completely through location hole 21, hook is restored to original position, hook
Positioned at the bottom surface of circuit board 2 22, later when welding ontology 11 with circuit board 2, hook makes tight between ontology 11 and circuit board 2
Contiguity is touched.
Specifically, the quantity of location structure 12 is multiple, is respectively arranged at the opposite both sides of ontology 11.It can be according to ontology 11
With 2 welding process of circuit board, quantity and the position of location structure 12 is arranged in circuit board 2 common temperature distortion situation, more
A location structure 12 is respectively arranged at the opposite both sides of ontology 11, and the leg on ontology 11 is in contact with the pad on circuit board 2
Position be located between the location structure 12 of both sides so that in the welding process, the both sides of circuit board 2 are tight by the hook of hook
Power prevents rosin joint to preferably make leg be in close contact with pad.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of circuit board assemblies, including：Component 1 and circuit
Plate 2；Component 1 includes：Ontology 11 is provided with leg on ontology 11；One end of location structure 12, location structure 12 is connected to this
The other end of body 11, location structure 12 is provided with clamping portion 121；The leg of ontology 11 and the pad solder on circuit board 2, positioning
Structure 12 is inserted into the location hole 21 on circuit board 2, and clamping portion 121 is connected in circuit board 2.
Wherein, circuit board assemblies include being welded to each other component 1 together and circuit board 2, the structure of component 1 and
It is same as the previously described embodiments with the principle of 2 anti-rosin joint of circuit board welding, and details are not described herein again.
A kind of circuit board assemblies that the utility model embodiment provides, when component and circuit board are welded, member
The location structure of device body is inserted into the location hole on circuit board, and the leg on ontology is made to be in contact with the pad on circuit board,
In carrying out welding process, the clamping portion of location structure is connected in circuit board always, so as to will not divide between ontology and circuit board
It opens, to make the pad on the leg and circuit board on ontology remain close contact, prevents rosin joint.
Specifically, location structure 12 includes cylinder 122, and one end of cylinder 122 is connected to ontology 11, and clamping portion 121 is convex
For the hook of 122 other end of cylinder, the material of location structure 12 is material contracting with heat；Cylinder 122 passes through the positioning on circuit board 2
Hole 21, hook catch on the bottom surface 22 of circuit board 2, the bottom surface 22 of circuit board 2 one side opposite for the surface welded with ontology 11.
In ontology 11 and 2 welding process of circuit board, the location structure 12 for being inserted into location hole 21 is heated, since location structure 12 is by pyrocondensation
Material is made, then the meeting of location structure 12 contraction distortion so that hook tightly catches on the bottom surface 22 of circuit board 2, when circuit board 2 is heated
When deforming, hook strains at ontology 11 and circuit board 2 together so that the leg on ontology 11 and the weldering on circuit board 2
Disk keeps being in close contact, and prevents rosin joint.The design structure is simple, easy processing, and can effectively prevent rosin joint.
Wherein, the design method of hook includes following two kinds：
A kind of embodiment is：Referring to Fig. 1, hook is relatively fixed with cylinder 122, and hook protrudes from the side of cylinder 122,
Cylinder 122 can generate elastic deformation relative to ontology 11.Wherein, hook can be an integral molding structure with cylinder 122, positioned
When structure 12 is inserted into location hole 21, cylinder 122 deforms under the action of 21 side wall of location hole relative to ontology 11 so that hook energy
Enough across location hole 21, when hook passes completely through location hole 21, cylinder 122 is restored to original position, and hook is located at the bottom of circuit board 2
Face 22, later when welding ontology 11 with circuit board 2, hook to be in close contact between ontology 11 and circuit board 2.
Another embodiment is：Referring to Fig. 2, hook can generate elastic deformation relative to cylinder 122.In original state
Under, there is certain gap between hook and cylinder 122, when location structure 12 is inserted into location hole 21, be hooked in location hole 21
Side wall under the action of to cylinder deformation draw close, when hook passes completely through location hole 21, hook is restored to original position, and hook is located at
The bottom surface 22 of circuit board 2, later when welding ontology 11 with circuit board 2, hook closely to connect between ontology 11 and circuit board 2
It touches.
Specifically, the quantity of location structure 12 is multiple, is respectively arranged at the opposite both sides of ontology 11.It can be according to ontology 11
With 2 welding process of circuit board, quantity and the position of location structure 12 is arranged in circuit board 2 common temperature distortion situation, more
A location structure 12 is respectively arranged at the opposite both sides of ontology 11, and the leg on ontology 11 is in contact with the pad on circuit board 2
Position be located between the location structure 12 of both sides so that in the welding process, the both sides of circuit board 2 are tight by the hook of hook
Power prevents rosin joint to preferably make leg be in close contact with pad.
The circuit board assemblies that the utility model embodiment provides, when component and circuit board are welded, component
The location structure of ontology is inserted into the location hole on circuit board, and the leg on ontology is made to be in contact with the pad on circuit board, into
In row welding process, the clamping portion of location structure is connected in circuit board always, so as to will not be separated between ontology and circuit board, from
And the pad on the leg and circuit board on ontology is made to remain close contact, prevent rosin joint.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention,
It is still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of component, for welding on circuit boards, which is characterized in that the component includes：
Ontology is provided with leg on the ontology, is used for and the pad solder on the circuit board；
One end of location structure, the location structure is connected to the ontology, and the other end of the location structure is provided with clamping
Portion, the location structure are used for when the ontology and the welding circuit board, the location hole being inserted on the circuit board, and institute
It states clamping portion and is connected in the circuit board.
2. component according to claim 1, which is characterized in that
The location structure includes cylinder, and one end of the cylinder is connected to the ontology, and the clamping portion is described to protrude from
The material of the hook of the cylinder other end, the location structure is material contracting with heat；
When the ontology and the welding circuit board, the cylinder passes through the location hole on the circuit board, the hook to hook
The bottom surface of circuit board is stated in residence, the bottom surface of the circuit board one side opposite for the surface welded with the ontology.
3. component according to claim 2, which is characterized in that
The hook is relatively fixed with the cylinder, and the hook protrudes from the side of the cylinder, and the cylinder can be opposite
Elastic deformation is generated in the ontology.
4. component according to claim 2, which is characterized in that
The hook can generate elastic deformation relative to the cylinder.
5. component according to any one of claim 2 to 4, which is characterized in that
The quantity of the location structure is multiple, is respectively arranged at the opposite both sides of the ontology.
6. a kind of circuit board assemblies, which is characterized in that including：Component and circuit board；
The component includes：
Ontology is provided with leg on the ontology；
One end of location structure, the location structure is connected to the ontology, and the other end of the location structure is provided with clamping
Portion；
The leg of the ontology is inserted into the positioning on the circuit board with the pad solder on the circuit board, the location structure
Hole, and the clamping portion is connected in the circuit board.
7. circuit board assemblies according to claim 6, which is characterized in that
The location structure includes cylinder, and one end of the cylinder is connected to the ontology, and the clamping portion is described to protrude from
The material of the hook of the cylinder other end, the location structure is material contracting with heat；
The cylinder passes through the location hole on the circuit board, the hook to catch on the bottom surface of the circuit board, the circuit board
The bottom surface one side opposite for the surface welded with the ontology.
8. circuit board assemblies according to claim 7, which is characterized in that
The hook is relatively fixed with the cylinder, and the hook protrudes from the side of the cylinder, and the cylinder can be opposite
Elastic deformation is generated in the ontology.
9. circuit board assemblies according to claim 7, which is characterized in that
The hook can generate elastic deformation relative to the cylinder.
10. the circuit board assemblies according to any one of claim 7 to 9, which is characterized in that
The quantity of the location structure is multiple, is respectively arranged at the opposite both sides of the ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820330924.1U CN208029191U (en) | 2018-03-09 | 2018-03-09 | Component and circuit board assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820330924.1U CN208029191U (en) | 2018-03-09 | 2018-03-09 | Component and circuit board assemblies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208029191U true CN208029191U (en) | 2018-10-30 |
Family
ID=63906384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820330924.1U Active CN208029191U (en) | 2018-03-09 | 2018-03-09 | Component and circuit board assemblies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208029191U (en) |
-
2018
- 2018-03-09 CN CN201820330924.1U patent/CN208029191U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |