CN208367172U - A kind of PCBA board for keyboard test - Google Patents
A kind of PCBA board for keyboard test Download PDFInfo
- Publication number
- CN208367172U CN208367172U CN201821202149.8U CN201821202149U CN208367172U CN 208367172 U CN208367172 U CN 208367172U CN 201821202149 U CN201821202149 U CN 201821202149U CN 208367172 U CN208367172 U CN 208367172U
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- China
- Prior art keywords
- spring
- test
- keyboard
- pcba board
- keyhole
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Abstract
The utility model discloses a kind of PCBA boards for keyboard test, the PCBA board of the keyboard test is arranged to consistent structure of arranging with surveyed keyboard, it is provided with keyhole, it is embedded in spring at keyhole and tests contact-key, spring test contact-key is built-in with thimble-type contact contact, it can unify all keys while test, and determine whether surveyed keyboard is qualified product by connecting and disconnecting of the circuit.The utility model test is fast, does not need manually to go to complete to test, greatly improves testing efficiency and test accuracy rate.
Description
Technical field
The utility model relates to PCBA boards, particularly relate to a kind of PCBA board for keyboard test.
Background technique
Keyboard is widely used in various electronic equipments, using the periphery of control command or data input as electronic equipment
Equipment.Therefore, the quality good or not of keyboard and its function whether can normal operating, the operation for directly affecting the electronic equipment is steady
It is qualitative.
Traditionally, keyboard is tested manually, i.e., pressed one by one manually every in keyboard
One key, the result tested by test program, and returned by artificial judgment test program.It is not only time-consuming, and
With the manually test mode of pressing keys one by one, since the power of pressing is not of uniform size, or because key cap of key set surface presses stress
Unevenness easily causes test program to judge by accident, or even need to be resurveyed.Furthermore by the test mode for manually pressing keyboard, also may be used
It is improper to exert a force because of tester, causes keyboard to damage, seriously affects the quality management of keyboard product.
Utility model content
Aiming at the shortcomings in the prior art, keyboard is used for the technical problem to be solved by the present invention is to provide a kind of
The PCBA board of test.
In order to solve the above technical problems, the utility model is realized by following scheme: a kind of for keyboard test
PCBA board, including PCBA board ontology, the PCBA board ontology be provided with the consistent keyhole of surveyed keyboard arrangement, in each key
Contact-key is tested embedded with spring on hole, the spring test contact-key includes T-type column, the first spring, thimble, the second bullet
Spring, the first spring on the T-type column sleeve, one end of first spring are against on the anchor ring of the T-type column, and the other end is against PCBA
The surface of plate ontology forms annular chamber, T-type column side wall after the T-type column is inserted into keyhole between upper part side wall and keyhole inner wall
It is provided with a circle baffle ring, the baffle ring is placed in the annular chamber, and is screwed with closure ring in keyhole upper oral part；
T-type column lower part is mast, which is arranged to the conical surface, and is provided with blind hole in its end, the blind hole bottom
Successively merging has second spring, thimble, and the thimble is T-shaped, and T-type circle portion is against in the second spring and by second spring
It holds out against, is screwed with annular plug in blind hole oral area, the column portion of thimble passes through the annular plug and exposed portion needle body in blind hole oral area
Outside；
The baffle ring lower end is welded with the third spring being placed on mast, and the third lower spring end is welded with an annular and leads
Electric metal plate, the ring shaped conductive metal plate are contacted with the metallic object that annular chamber bottom surface is arranged in.
Further, the baffle ring has upper and lower activity space in annular chamber.
Further, the thimble, second spring, mast, baffle ring are metallic conductor.
Compared with the existing technology, the beneficial effects of the utility model are: the PCBA board of the utility model keyboard test is arranged
It arranges consistent structure at surveyed keyboard, is provided with keyhole, insertion spring tests contact-key, spring at keyhole
Formula test contact-key is built-in with thimble-type contact contact, can unify all keys while test, pass through connecting and disconnecting of the circuit
Determine whether surveyed keyboard is qualified product.The utility model test is fast, does not need manually to go to complete to test, greatly improve
Testing efficiency and test accuracy rate.
Detailed description of the invention
Fig. 1 is the positive structure schematic of the utility model PCBA board；
Fig. 2 is the side structure schematic diagram of the utility model PCBA board；
Fig. 3 is that the utility model spring tests contact-key structural schematic diagram；
Fig. 4 is the utility model circuit diagram.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Attached drawing 1-3, a kind of PCBA board for keyboard test of the utility model, including PCBA board ontology 1 are please referred to,
The PCBA board ontology 1 is provided with and the consistent keyhole of surveyed keyboard arrangement, connects on each keyhole embedded with spring test
Touching 2, the spring test contact-key 2 includes T-type column 21, the first spring 22, thimble 28, second spring 27, the T-type column
21 put on the first spring 22, and one end of first spring 22 is against on the anchor ring of the T-type column 21, and the other end is against PCBA board sheet
The surface of body 1 forms annular chamber, 21 side of T-type column after the T-type column 21 is inserted into keyhole between upper part side wall and keyhole inner wall
Wall is provided with a circle baffle ring 24, and the baffle ring 24 is placed in the annular chamber, and is screwed in keyhole upper oral part and blocks ring 23；
21 lower part of T-type column is mast 26, which is arranged to the conical surface, and is provided with blind hole in its end, should
Blind hole bottom, which is successively placed in, second spring 27, thimble 28, and the thimble 28 is T-shaped, and T-type circle portion is against the second spring 27
It above and by second spring 27 holds out against, is screwed with annular plug 29 in blind hole oral area, the column portion of thimble 28 passes through the annular plug 29 simultaneously
Exposed portion needle body is on the outside of blind hole oral area；
24 lower end of baffle ring is welded with the third spring 25 being placed on mast 26, and 25 lower end of third spring is welded with
One ring shaped conductive metal plate, the ring shaped conductive metal plate are contacted with the metallic object that annular chamber bottom surface is arranged in.
A kind of optimal technical scheme of the present embodiment: the baffle ring 24 has upper and lower activity space in annular chamber.
A kind of optimal technical scheme of the present embodiment: the thimble 28, second spring 27, mast 26, baffle ring 24 are gold
Belong to electric conductor.
As shown in Figs 1-4, PCBA board ontology 1 is arranged in equipment lower die side, by articulated connection, upper mold is provided with pressure
Plate and connection lifting device, lower die are provided with the tooling of placement test keyboard, the keyboard of required test are placed in tooling, so
PCBA board ontology 1 is pressed in tooling afterwards, is pressed downward pressing plate by lifting device, is made to test thimble and need to be surveyed the contact on keyboard
It contacting, is provided with detection circuit 3 on test board, display screen is installed in equipment, display screen has lamp corresponding with keyboard to show,
Key corresponding to the green light is indicated as qualification if it is green light, if it is red light, indicates that key corresponding to the red light is not
Then qualification is judged as any unqualified according to display data, PCBA board repairman repairs according to unqualified data.
The PCBA board of the utility model keyboard test is arranged to consistent structure of arranging with surveyed keyboard, is provided with keyhole,
It is embedded in spring at keyhole and tests contact-key, spring test contact-key is built-in with thimble-type contact contact, and can unify will
All keys are tested simultaneously, determine whether surveyed keyboard is qualified product by connecting and disconnecting of the circuit.The utility model test is fast, no
It needs manually to go to complete to test, greatly improves testing efficiency and test accuracy rate.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the patent model of the utility model
Enclose, equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, or directly or
It connects and is used in other relevant technical fields, be also included in the patent protection scope of the utility model.
Claims (3)
1. a kind of PCBA board for keyboard test, including PCBA board ontology (1), it is characterised in that: in the PCBA board ontology
(1) it is provided with and arranges consistent keyhole with surveyed keyboard, be embedded with spring on each keyhole and test contact-key (2), it is described
It includes T-type column (21), the first spring (22), thimble (28), second spring (27), the T-type column that spring, which tests contact-key (2),
(21) the first spring (22) are put on, one end of first spring (22) is against on the anchor ring of the T-type column (21), and the other end is against
The surface of PCBA board ontology (1) after the T-type column (21) is inserted into keyhole, forms annular between upper part side wall and keyhole inner wall
Chamber, T-type column (21) side wall are provided with a circle baffle ring (24), and the baffle ring (24) is placed in the annular chamber, and in keyhole upper oral part
It is screwed with and blocks ring (23)；
T-type column (21) lower part is mast (26), which is arranged to the conical surface, and is provided with blind hole in its end,
The blind hole bottom, which is successively placed in, second spring (27), thimble (28), and the thimble (28) is T-shaped, and T-type circle portion is against described
It holds out against, is screwed with annular plug (29) in blind hole oral area, the column portion of thimble (28) is worn on two springs (27) and by second spring (27)
It crosses the annular plug (29) and exposed portion needle body is on the outside of blind hole oral area；
Baffle ring (24) lower end is welded with the third spring (25) being placed on mast (26), third spring (25) the lower end weldering
It is connected to a ring shaped conductive metal plate, which contacts with the metallic object that annular chamber bottom surface is arranged in.
2. a kind of PCBA board for keyboard test according to claim 1, it is characterised in that: the baffle ring (24) is in ring
Shape is intracavitary upper and lower activity space.
3. a kind of PCBA board for keyboard test according to claim 1, it is characterised in that: the thimble (28),
Two springs (27), mast (26), baffle ring (24) are metallic conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202149.8U CN208367172U (en) | 2018-07-26 | 2018-07-26 | A kind of PCBA board for keyboard test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202149.8U CN208367172U (en) | 2018-07-26 | 2018-07-26 | A kind of PCBA board for keyboard test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208367172U true CN208367172U (en) | 2019-01-11 |
Family
ID=64924275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821202149.8U Active CN208367172U (en) | 2018-07-26 | 2018-07-26 | A kind of PCBA board for keyboard test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208367172U (en) |
-
2018
- 2018-07-26 CN CN201821202149.8U patent/CN208367172U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |