CN206196141U - Tds pen - Google Patents
Tds pen Download PDFInfo
- Publication number
- CN206196141U CN206196141U CN201621301225.1U CN201621301225U CN206196141U CN 206196141 U CN206196141 U CN 206196141U CN 201621301225 U CN201621301225 U CN 201621301225U CN 206196141 U CN206196141 U CN 206196141U
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- CN
- China
- Prior art keywords
- mainboard
- testing needle
- tds
- sliver
- shell
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Abstract
The utility model relates to a TDS pen, this TDS pen include shell, test needle and mainboard, test the front end that the shell was located to the needle, are equipped with test needle contact conductive part on the test needle, be equipped with on the mainboard to be used for and to test needle contact conductive part contact complex mainboard contact conductive part, the mainboard sets firmly in the inner chamber of shell through removable fixed knot structure. The utility model discloses well mainboard direction cartridge is in insulating casing, and the conductive part on the mainboard cooperates with the contact of test needle when the mainboard cartridge targets in place. When the mainboard damages, can pull down the mainboard that the maintenance is perhaps more renewed with the mainboard, TDS pen is reuse many times.
Description
Technical field
The utility model is related to a kind of TDS.
Background technology
TDS is mainly made up of insulation crust, testing needle with the mainboard with circuit.In the prior art, insulation crust and
The equal split of testing needle is set, and the front end of insulation crust is reserved with the perforation installed for testing needle, in order to prevent testing needle and mainboard
Between there is the phenomenon of loose contact, testing needle is welded at the front position of mainboard in the prior art, insulation crust has
Front end-plate, is reserved with perforation on front end-plate；During assembling, the mainboard with testing needle is loaded outside insulation by the rear end of insulation crust
In shell, testing needle is through in the perforation of front end-plate；Testing needle coordinates not tight with perforation inwall, it is necessary to outer to testing needle and insulation
Shell gluing is sealed.On the one hand TDS of the prior art have that mainboard is troublesome with testing needle welding procedure, on the other hand
During use, mainboard once damage if cannot detachable maintaining, can only by TDS integrally scrap.
The content of the invention
The purpose of this utility model is to provide a kind of TDS, is used to solve mainboard in the prior art and testing needle welding
Process cumbersome and mainboard cannot detachable maintaining technical problem.
To achieve the above object, the technical solution of the utility model is：
A kind of TDS, including shell, testing needle and mainboard, testing needle is provided with test located at the front end of shell, testing needle
Pin contacts conductive part, and mainboard is provided with and contacts conductive part, the master for contacting the mainboard that conductive part is engaged with testing needle
Plate is fixedly arranged in the inner chamber of shell by removable fixed structure.
The guide frame for being oriented to assembling from back to front for the mainboard is provided with the inner chamber of shell, the guide frame includes
Located at the shell left and right sides, for for mainboard from it is rear to leading to loading guide groove.
The left and right madial wall of shell is provided with the upper sliver and lower sliver of fore-and-aft direction extension, and the guide groove is formed at leads
Between bar and lower sliver, the length of the length less than lower sliver of upper sliver, the leading section of lower sliver is located at upper sliver leading section
Rear, the rear of upper sliver forms the avoidance space for avoiding operation button on mainboard.
The rear end end face of upper sliver and lower sliver is gradually to the inclined guiding surface in guide groove inner side from rear to preceding.
The testing needle conductive part is the outer peripheral face of testing needle, and mainboard contact conductive part is contacted with the outer peripheral face of testing needle matches somebody with somebody
Close.
The mainboard contact conductive part is the pad being arranged in the plate face of mainboard side, and pad has and corresponding testing needle
The pad end face of the planar structure that circumferential contact coordinates.
The mainboard is in convex, and the left and right sides of convex mainboard has the shoulder block for coordinating with shell block.
Reinforcement is provided with outer casing inner wall above testing needle, between the downside of reinforcement and the outer peripheral face of testing needle
Enter space with the leading section for mainboard.
Have on reinforcement from the front to the back gradually towards the inclined guiding face for coordinating with the guiding of mainboard front end of testing needle.
The removable fixed structure includes tail-hood of the spiral-lock in outer casing back, and mainboard is solid under the block effect of a tail-hood
It is scheduled in shell.
The beneficial effects of the utility model are：Mainboard in the utility model is provided with mainboard contact conductive part, testing needle
Testing needle contact conductive part is provided with, after mainboard inserting to enclosure, testing needle contact conductive part contacts conduction with mainboard
Portion is engaged, and mainboard is fixedly arranged in the inner chamber of shell by removable fixed structure, prevents mainboard from being moved in shell.This practicality
The new mode that is engaged by between mainboard and testing needle so that mainboard can be extracted out from shell and repaired, even if main
Plate damage also will not lump-sum scrap, TDS repeatable utilization.
Brief description of the drawings
Fig. 1 is a kind of structural representation of TDS embodiment 1 of the utility model（Mainboard is not installed）；
Fig. 2 be Fig. 1 in A-A to sectional view；
Fig. 3 is the structural representation of mainboard in a kind of TDS embodiment 1 of the utility model；
Fig. 4 is a kind of explosive view of TDS embodiment 1 of the utility model；
Fig. 5 is a kind of overall structure diagram of TDS embodiment 1 of the utility model；
Fig. 6 be Fig. 5 in A-A to sectional view；
Fig. 7 is the enlarged drawing of local I in Fig. 6.
Specific embodiment
Implementation method of the present utility model is described further below in conjunction with the accompanying drawings.
A kind of TDS specific embodiment of the utility model, as shown in Figures 1 to 7, the TDS includes shell, testing needle
2 and mainboard 3.Shell is insulation crust 1, and located at the front end of insulation crust 1, insulation crust 1 includes being molded in testing needle 2
Front end-plate 11 on the outer peripheral face of testing needle 2, front end-plate 11 and testing needle 2 form overall structure.Preferably, the one of insulation crust 1
Injection moulding, the leading section of testing needle 2 is located at outside insulation crust, and rearward end is located inside insulation crust.After shaping, testing needle
2 outer peripheral faces are closely linked with the front end-plate 11 of insulation crust.The periphery of testing needle 2 has needle guard 12 and boss 13, needle guard
12 front end is stretched out outside insulation crust, and rear end is located inside insulation crust, and the two ends of testing needle 2 are exposed at the outer of needle guard 12 respectively
Face, boss 13 is located at the front side of front end-plate, and needle guard 12 and boss 13 constitute needle stand structure, it is ensured that the stability of testing needle, it is to avoid
Two testing needles activity and the phenomenon that is short-circuited.
Mainboard 3 is from rear to leading to being inserted into insulation crust 1 and be fixedly arranged in insulation crust by removable fixed structure
In chamber, removable fixed structure includes tail-hood 18 of the spiral-lock in insulation crust rear end, the mainboard under the block effect of a tail-hood 18
It is fixed on inside insulation crust.The downside plate face of mainboard 3 is provided with and the one-to-one pad 4 of testing needle 2, the downside of pad 4
Face is the pad end face of the planar structure being engaged with the outer peripheral face of corresponding testing needle, and pad 4 constitutes mainboard contact conductive part,
The outer peripheral face of testing needle constitutes testing needle contact conductive part.Fore-and-aft direction extension is equipped with the left and right madial wall of insulation crust 1
Upper sliver 5 and lower sliver 6, form the guide groove for extending along the longitudinal direction between upper sliver 5 and lower sliver 6, the guide groove is constituted
Guide frame.During installation, the left and right sides edge of mainboard 3 is inserted into the guide groove of respective side by rear to preceding respectively, is promoted forward
Mainboard 3 makes mainboard be oriented to sliding along guide groove；Mainboard 3 is inserted when in place, and the downside of pad 4 is conductive with the outer peripheral face of testing needle 2
It is engaged.
In the present embodiment, the rear end end face of upper sliver 5 and lower sliver 6 is gradually to inclined on the inside of guide groove from rear to preceding
Guiding surface.In order to avoid the button interference on upper sliver 5 and mainboard 3, the length of upper sliver 5 is less than the length of lower sliver 6, under
The rear end of sliver is in the rear of upper sliver rear end, and the rear of upper sliver forms the avoidance sky for avoiding operation button on mainboard
Between.In other embodiments, guide groove can also be opened up on the madial wall of insulation shell, without setting upper and lower sliver.
The both sides of the edge of mainboard 3 are provided with the block position limiting structure for coordinating with insulation crust block, main in the present embodiment
Plate 3 is in " convex " font, and mainboard includes front panel portion 31 and rear plate portion 32, and pad 4 is arranged in the downside plate face of front panel portion 31, back plate
The both sides of the edge in portion 32 form shoulder block, and shoulder block constitutes block position limiting structure.Insulation crust 1 includes big hole section 14 and positioned at macropore
The aperture section 15 of Duan Qianduan, forms a step 16 between big hole section 14 and aperture section 15, step 16 has positioned at insulation crust
Internal step surface, the step surface constitutes the block position limiting structure for coordinating with mainboard block；When mainboard 3 is inserted in place
When, the shoulder block and the step surface block inside insulation crust of " convex " font mainboard coordinate, and the front panel portion 31 of mainboard 3 is located at outside insulation
In the aperture section 15 of shell, the downside of pad 4 coordinates with the outer peripheral face conductive contact of testing needle, and the rear plate portion 32 of mainboard is stayed in greatly
In hole section 14.Reinforcement 7 is provided with insulation crust inwall above testing needle, the downside of reinforcement 7 is outer with testing needle 2
There is the space entered for mainboard 3 between side face, the downside of reinforcement 7 constitute for the spacing cooperation of the upper side of mainboard 3
Confined planes 71.The rear side of reinforcement 7 has from the front to the back gradually to the inclined guiding face 72 of testing needle.
Pad 8 is provided with the periphery of testing needle 2 on the front end-plate 11 of insulation crust 1, for protecting testing needle.The side of pad 8
U-type groove 81 is offered on wall, when being tested during TDS penholders enter water, the air in pad 8 can be discharged from U-type groove 81, prevent bubble
Produce.The cap for brush 17, step and the spacing cooperation of the cap for brush 17 of insulation crust are connected with the aperture section 15 of insulation crust 1.For side
Just the cap for brush 17 is plugged, and aperture section 15 is the throat structure that is gradually reduced from back to front, and the lateral wall of aperture section 15 is from rear to preceding
Gradually to the inclined-plane that hole is tilted.Meanwhile, the top and bottom sidewall of aperture section 15 is provided with the strip bulge 151 of fore-and-aft direction extension,
So the cap for brush 17 is easily covered and not allowed easy to fall off.The top and bottom sidewall of the cap for brush 17 is provided with the anti-skid bulge of left and right directions extension
171, prevent rubber sleeve to be easy to plug.The inner side of tail-hood 18 is provided with battery case 181 for installing button cell and for connecting
The conducting strip of battery and mainboard（It is not drawn into figure）.The upper side wall of big hole section 14 is provided with the window for showing numerical value, lower wall
Middle part be provided with groove, the bottom land of groove is provided with three parallel slotted holes 9 being spaced apart along insulation crust length direction, three
Individual slotted hole 9 is fabrication hole, because insulation crust cavity is long, also an overall structure is formed with testing needle, in insulation
Cavity pocket of outer cover center section adds three fabrication holes, realizes positioning, makes injection than more uniform during cast, reduces substandard products amount.Insulation is outer
Face paster is pasted with shell 1, face paster seals three slotted holes 9.
During the TDS assembling, mainboard 3 is oriented in insertion insulation crust 1 by the rear end of insulation crust 1, mainboard 3 is along guide groove
Guiding movement, the leading section of mainboard 3 is extend into the space between reinforcement 7 and testing needle 2, when shoulder block and the insulation of mainboard are outer
The boss face block of shell coordinates, i.e., in place, the pad 4 of the downside of mainboard 3 is matched somebody with somebody with the outer peripheral face conductive contact of testing needle 2 for mainboard inserting
Close, cover a tail-hood, prevent mainboard 3 from being moved in insulation crust, and cover the cap for brush.
In other embodiments, mainboard contact conductive part can also be the conducting strip in mainboard front end surface, test
Pin contact conductive part can also be the rear end end face of testing needle, and mainboard contact conductive part is matched somebody with somebody with the rear end end face top pressure of testing needle
Close；Or the end of mainboard sets conducting strip, while setting pad in the plate face of downside, conducting strip is matched somebody with somebody with the end top pressure of testing needle
Close, pad is engaged with the outer peripheral face of testing needle.Removable fixed structure can also be other forms, can such as be led in insulation crust
Correspondence opens up mounting hole on plate, in realizing the inner chamber that mainboard is fixed on insulation crust by being screwed in mounting hole screw, or
Set on mainboard and connecting plate is set in flange, insulation crust, flange is connected by screw with connecting plate realizes that mainboard is fixed on
In insulation crust.Battery case can be not provided with tail-hood, battery fastening structure can be set in the upside of mainboard, battery is fixed on
On mainboard.Slotted hole number on the wall of insulation crust side can need voluntarily to set according to Shooting Technique, can for four or
Other.Can not also sticking veneer paster after injection.Insulation crust can not be integrative-structure, such as the big hole section of insulation crust and small
Hole section distinguishes integrated injection molding, and testing needle forms an overall structure with aperture section, and big hole section coordinates with aperture section inserting
Together.
Claims (10)
1. a kind of TDS, including shell, testing needle and mainboard, testing needle is located at the front end of shell, it is characterised in that：Testing needle
Testing needle contact conductive part is provided with, mainboard is provided with and contacts conductive for contacting the mainboard that conductive part is engaged with testing needle
Portion, the mainboard is fixedly arranged in the inner chamber of shell by removable fixed structure.
2. according to claim 1 TDS, it is characterised in that：It is provided with the inner chamber of shell for the mainboard from back to front
Be oriented to assembling guide frame, the guide frame include located at the shell left and right sides, for for mainboard from it is rear to leading to
The guide groove of loading.
3. according to claim 2 TDS, it is characterised in that：It is upper that the left and right madial wall of shell extends before and after being provided with
Sliver and lower sliver, the guide groove are formed between sliver and lower sliver, the length of the length less than lower sliver of upper sliver, under
The leading section of sliver is located at the rear of upper sliver leading section, is formed for avoiding between the rear end of upper sliver and the rear end of lower sliver
The avoidance space of operation button on mainboard.
4. according to claim 3 TDS, it is characterised in that：The rear end end face of upper sliver and lower sliver be by it is rear extremely
It is preceding gradually to the inclined guiding surface in guide groove inner side.
5. TDS according to claim 1-4 any one, it is characterised in that：The testing needle conductive part is testing needle
Outer peripheral face, mainboard contact conductive part be engaged with the outer peripheral face of testing needle.
6. according to claim 5 TDS, it is characterised in that：The mainboard contact conductive part is to be arranged at mainboard side
Pad in plate face, pad has the pad end face of the planar structure being engaged with the outer peripheral face of corresponding testing needle.
7. TDS according to claim 1-4 any one, it is characterised in that：The mainboard is in convex, convex master
The left and right sides of plate has the shoulder block for coordinating with shell block.
8. TDS according to claim 1-4 any one, it is characterised in that：In the top of testing needle on outer casing inner wall
Reinforcement is provided with, there is the leading section for mainboard to enter space between the downside of reinforcement and the outer peripheral face of testing needle.
9. according to claim 8 TDS, it is characterised in that：Have on reinforcement and gradually incline towards testing needle from the front to the back
The oblique guiding face for guiding cooperation with mainboard front end.
10. TDS according to claim 1-4 any one, it is characterised in that：The removable fixed structure includes spiral-lock
In a tail-hood of outer casing back, mainboard is fixed in shell under the block effect of a tail-hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301225.1U CN206196141U (en) | 2016-11-30 | 2016-11-30 | Tds pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301225.1U CN206196141U (en) | 2016-11-30 | 2016-11-30 | Tds pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206196141U true CN206196141U (en) | 2017-05-24 |
Family
ID=58723075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621301225.1U Active CN206196141U (en) | 2016-11-30 | 2016-11-30 | Tds pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206196141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106686889A (en) * | 2016-11-30 | 2017-05-17 | 郑州跃龙电子科技有限公司 | TDS pen |
-
2016
- 2016-11-30 CN CN201621301225.1U patent/CN206196141U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106686889A (en) * | 2016-11-30 | 2017-05-17 | 郑州跃龙电子科技有限公司 | TDS pen |
| CN106686889B (en) * | 2016-11-30 | 2021-08-27 | 郑州跃龙电子科技有限公司 | TDS pen |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |