CN214703831U - Telescopic instrument test box - Google Patents
Telescopic instrument test box Download PDFInfo
- Publication number
- CN214703831U CN214703831U CN202120791610.3U CN202120791610U CN214703831U CN 214703831 U CN214703831 U CN 214703831U CN 202120791610 U CN202120791610 U CN 202120791610U CN 214703831 U CN214703831 U CN 214703831U
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- Prior art keywords
- connector
- key switch
- test
- way key
- shell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- 238000004804 winding Methods 0.000 claims 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a flexible appearance test box, including shell, test circuit, left side cable, right side cable, two test wires and universal meter clamping mechanism. The extensometer test box utilizes the test circuit to adjust the connection circuit between two test wires, thereby being convenient for measuring data between different circuits and accurately judging the fault position of an instrument; the test circuit is protected by the shell to prevent the test circuit from faults; utilize universal meter clamping mechanism to press from both sides tight universal meter, the testing personnel of being convenient for operate the universal meter and measure, provide convenience for the daily zero setting of flexible appearance simultaneously, reduce the number of operation people.
Description
Technical Field
The utility model relates to a test box, especially a flexible appearance test box.
Background
The extensometer is an instrument for precisely measuring the relative change of the horizontal distance between two points of the crustal rock mass, is suitable for observing the continuous change of the crustal strain and the horizontal component of a solid tide, provides data for researching the change rule of the horizontal strain in the earthquake inoculation process, and also provides important data for the research of the elasticity of the earth. Therefore, the extensometer testing box is provided, and the extensometer can be conveniently and accurately tested.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a flexible appearance test box can test each position power supply and the signal condition of flexible appearance to accurate judgement instrument fault location.
The technical scheme is as follows: the utility model provides a telescopic instrument test box, which comprises a shell, a test circuit, a left side cable, a right side cable, two test wires and a universal meter clamping mechanism;
the test circuit comprises a test board, a single-way key switch, a double-way key switch, a first connector, a second connector and a third connector; the test board is arranged in the shell; the single-way key switch, the double-way key switch, the first connector, the second connector and the third connector are all arranged on the test board; one end of the left cable extends into the shell and then is electrically connected to three pins of the first connector, and the other end of the left cable is conductively provided with a left connector; one end of the right cable extends into the shell and then is electrically connected to the two pins of the second connector, and the other end of the right cable is conductively provided with a right connector; one ends of the two test wires extend into the shell and then are respectively and electrically connected to the two pins of the third connector, and the other ends of the two test wires are respectively provided with an inserting head in a conductive mode; a first pin and a second pin of the first connector are respectively and electrically connected with a normally open contact and a normally closed contact of the one-way key switch; a third pin of the first connector is electrically connected with a first normally open contact of the two-way key switch; two pins of the second connector are electrically connected with a second normally open contact and a second normally closed contact of the two-way key switch respectively; the movable contact of the one-way key switch is electrically connected with the first normally closed contact of the two-way key switch; two pins of the third connector are respectively and electrically connected with two movable contacts of the two-way key switch; the button of the single-way key switch and the button of the double-way key switch extend out of the shell; the multimeter clamping mechanism is mounted on the lower side surface of the shell and used for clamping the multimeter.
Further, the universal meter clamping mechanism comprises a supporting plate, two clamping plates and two hand-screwed bolts; a C-shaped baffle is fixed on the upper side edge and the left and right side edges of the supporting plate; a threaded hole is formed in each of the left side wall and the right side wall of the C-shaped baffle; the two hand-screwed bolts are respectively screwed on the two threaded holes, and the end parts of the two hand-screwed bolts extend into the C-shaped baffle; the two clamping plates are respectively and rotatably arranged on the extending ends of the two hand-screwed bolts.
Furthermore, rubber pads are arranged on the opposite surfaces of the two clamping plates.
Further, all be provided with a breach in the left and right sides of layer board lower limb, left breach is used for around establishing left side cable and left test wire, and the breach on right side is used for around establishing right side cable and the test wire on right side.
Compared with the prior art, the utility model, its beneficial effect is: the connecting circuit between the two test lines is adjusted by using the test circuit, so that data between different lines can be conveniently measured, and the fault position of the instrument can be accurately judged; the test circuit is protected by the shell to prevent the test circuit from faults; utilize universal meter clamping mechanism to press from both sides tight universal meter, the testing personnel of being convenient for operate the universal meter and measure, provide convenience for the daily zero setting of flexible appearance simultaneously, reduce the number of operation people.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the test circuit of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1-2, the utility model provides a pair of extensometer test box includes: the test device comprises a shell 1, a test circuit, a left cable 4, a right cable 13, two test wires 11 and a universal meter clamping mechanism;
the test circuit comprises a test board, a one-way key switch 15, a two-way key switch 2, a first connector 17, a second connector 18 and a third connector 19; the test board is arranged in the shell 1; the one-way key switch 15, the two-way key switch 2, the first connector 17, the second connector 18 and the third connector 19 are all arranged on the test board; one end of the left cable 4 extends into the shell 1 and then is electrically connected to three pins of the first connector 17, and the other end of the left cable 4 is provided with a left connector 14 in a conductive mode; one end of the right cable 13 extends into the shell 1 and then is electrically connected to two pins of the second connector 18, and the other end of the right cable 13 is conductively provided with a right connector 12; one ends of the two test wires 11 extend into the shell 1 and then are respectively and electrically connected to two pins of the third connector 19, and the other ends of the two test wires 11 are respectively provided with an inserting head 16 in a conductive mode; a first pin and a second pin of the first connector 17 are electrically connected with a normally open contact and a normally closed contact of the one-way key switch 15 respectively; a third pin of the first connector 17 is electrically connected with a first normally open contact of the two-way key switch 2; two pins of the second connector 18 are electrically connected with a second normally open contact and a second normally closed contact of the two-way key switch 2 respectively; the moving contact of the one-way key switch 15 is electrically connected with the first normally closed contact of the two-way key switch 2; two pins of the third connector 19 are respectively and electrically connected with two movable contacts of the two-way key switch 2; the button of the one-way key switch 15 and the button of the two-way key switch 2 extend out of the shell 1; the multimeter clamping mechanism is mounted on the lower side of the case 1 for clamping the multimeter.
The connecting circuit between the two test wires 11 is adjusted by using the test circuit, so that data between different circuits can be conveniently measured, and the fault position of the instrument can be accurately judged; the shell 1 is used for protecting the test circuit to prevent the fault of the test circuit; utilize universal meter clamping mechanism to press from both sides tight universal meter, the testing personnel of being convenient for operate the universal meter and measure, provide convenience for the daily zero setting of flexible appearance simultaneously, reduce the number of operation people.
Further, the multimeter clamping mechanism comprises a supporting plate 5, two clamping plates 8 and two hand-screwed bolts 9; a C-shaped baffle 6 is fixed on the upper side edge and the left and right side edges of the supporting plate 5; a threaded hole is formed in each of the left side wall and the right side wall of the C-shaped baffle 6; the two hand-screwed bolts 9 are respectively screwed on the two threaded holes, and the end parts of the two hand-screwed bolts 9 extend into the C-shaped baffle 6; two clamping plates 8 are respectively rotatably mounted on the extending ends of two hand-screwed bolts 9.
The universal meter is positioned and clamped conveniently by the supporting plate 5 and the C-shaped baffle 6, and the universal meter is clamped by the hand-screwed bolt 9 and the two clamping plates 8.
Further, rubber pads 7 are mounted on the opposite faces of the two clamping plates 8. Utilize rubber pad 7 to prevent that clamping in-process universal meter shell from damaging, produce great frictional force simultaneously and prevent that the universal meter from droing.
Further, all be provided with a breach 3 in the left and right sides of layer board 5 lower limb, left breach 3 is used for around establishing left side cable 4 and left test line 11, and breach 3 on right side is used for around establishing right side cable 13 and right side test line 11. Utilize two breach 3 around establishing two test wires 11, right side cable 13 and left side cable 4, be convenient for accomodate.
The utility model provides an among the ground resistivity appearance test load box, right side joint 12 and left side joint 14 all adopt and connect with expansion instrument interface assorted special use.
The utility model provides a load box for ground resistivity meter test is when installing and using, with right side joint 12 and left side joint 14 electrically conductive butt joint on the host computer of expansion gauge, with two cartridge heads 16 respectively electrically conductive access universal meter's positive and negative wiring mouth, later select test circuit through one-way key switch 15 and two-way key switch 2, show this access point positive and negative power supply and signal condition through the universal meter in real time to judge the instrument operational aspect in real time; when accomodating, with two test wire 11, right side cable 13 and left side cable 4 respectively around establishing on two breachs 3 that correspond the side, rotatory two hands are screwed bolt 9 and are compressed tightly on the lateral wall that C shape baffle 6 corresponds with two test wire 11, right side cable 13 and left side cable 4.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a flexible appearance test box which characterized in that: the testing device comprises a shell (1), a testing circuit, a left cable (4), a right cable (13), two testing wires (11) and a universal meter clamping mechanism;
the test circuit comprises a test board, a one-way key switch (15), a two-way key switch (2), a first connector (17), a second connector (18) and a third connector (19); the test board is arranged in the shell (1); the single-way key switch (15), the double-way key switch (2), the first connector (17), the second connector (18) and the third connector (19) are all arranged on the test board; one end of the left cable (4) extends into the shell (1) and then is electrically connected to three pins of the first connector (17), and the other end of the left cable (4) is provided with a left joint (14) in a conductive mode; one end of the right cable (13) extends into the shell (1) and then is electrically connected to two pins of the second connector (18), and the other end of the right cable (13) is conductively provided with a right connector (12); one ends of the two test wires (11) extend into the shell (1) and then are respectively and electrically connected to two pins of the third connector (19), and the other ends of the two test wires (11) are respectively provided with an inserting head (16) in a conductive mode;
a first pin and a second pin of the first connector (17) are respectively and electrically connected with a normally open contact and a normally closed contact of the one-way key switch (15); a third pin of the first connector (17) is electrically connected with a first normally open contact of the two-way key switch (2); two pins of the second connector (18) are respectively and electrically connected with a second normally open contact and a second normally closed contact of the two-way key switch (2); the movable contact of the one-way key switch (15) is electrically connected with the first normally closed contact of the two-way key switch (2); two pins of the third connector (19) are respectively and electrically connected with two movable contacts of the two-way key switch (2); the button of the single-way key switch (15) and the button of the double-way key switch (2) extend out of the shell (1);
the multimeter clamping mechanism is arranged on the lower side face of the shell (1) and used for clamping the multimeter.
2. The extensometer test cassette of claim 1, wherein: the universal meter clamping mechanism comprises a supporting plate (5), two clamping plates (8) and two hand-screwed bolts (9); a C-shaped baffle (6) is fixed on the upper side edge and the left and right side edges of the supporting plate (5); a threaded hole is formed in each of the left side wall and the right side wall of the C-shaped baffle (6); the two hand-screwed bolts (9) are respectively screwed on the two threaded holes, and the end parts of the two hand-screwed bolts (9) extend into the C-shaped baffle (6); the two clamping plates (8) are respectively and rotatably arranged on the extending ends of the two hand-screwed bolts (9).
3. The extensometer testing cassette of claim 2, wherein: rubber pads (7) are arranged on the opposite surfaces of the two clamping plates (8).
4. The extensometer testing cassette of claim 2, wherein: the left side and the right side of the lower edge of the supporting plate (5) are respectively provided with a notch (3), the left notch (3) is used for winding a left cable (4) and a left test line (11), and the right notch (3) is used for winding a right cable (13) and a right test line (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120791610.3U CN214703831U (en) | 2021-04-16 | 2021-04-16 | Telescopic instrument test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120791610.3U CN214703831U (en) | 2021-04-16 | 2021-04-16 | Telescopic instrument test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214703831U true CN214703831U (en) | 2021-11-12 |
Family
ID=78531992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120791610.3U Expired - Fee Related CN214703831U (en) | 2021-04-16 | 2021-04-16 | Telescopic instrument test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214703831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114578453A (en) * | 2022-01-18 | 2022-06-03 | 安徽省地震局 | Detector for body strain gauge |
-
2021
- 2021-04-16 CN CN202120791610.3U patent/CN214703831U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114578453A (en) * | 2022-01-18 | 2022-06-03 | 安徽省地震局 | Detector for body strain gauge |
| CN114578453B (en) * | 2022-01-18 | 2024-05-07 | 安徽省地震局 | Detector for body strain gauge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |