CN205091387U - Adjustable test pencil of removable contact - Google Patents
Adjustable test pencil of removable contact Download PDFInfo
- Publication number
- CN205091387U CN205091387U CN201520874683.3U CN201520874683U CN205091387U CN 205091387 U CN205091387 U CN 205091387U CN 201520874683 U CN201520874683 U CN 201520874683U CN 205091387 U CN205091387 U CN 205091387U
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- CN
- China
- Prior art keywords
- contact
- test
- extension sleeve
- handle
- test pencil
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- Expired - Fee Related
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Abstract
The utility model discloses an adjustable test pencil of removable contact. Including handle, resistance, conducting rod, telescope tube, quick bolt group and test contact, resistance sets up the inside at the handle, the one end suit of conducting rod is in the handle to contact with resistance, the one end suit of telescope tube is on the other end of conducting rod, the test contact is organized can dismantle with the other end of telescope tube through quick bolt and is connected, just the test contact can rotate round quick bolt group. Through adopting the telescope tube suit on the conducting rod, can realize the length adjustment of test pencil, can dismantle with the telescope tube through quick bolt group and be connected through testing the contact, make the test contact can change and inclination is adjustable, it is thus clear that, this scheme the test pencil can be at narrow and small space usage, solved that the test contact receives the restriction narrow and small local use the in space among the prior art, the form is fixed, problem that length can not be adjusted.
Description
Technical field
The utility model relates to a kind of test pencil, more specifically to the adjustable test pencil of the replaceable contact of one.
Background technology
Test pencil is a kind of conventional electrician tool, and whether be used for judgment object charged or distinguish live wire and zero line.An its inside normally neon bulb with two electrodes, nib contact is received in a pole of neon bulb, connects and receive the other end of pen after a high resistance in another pole.When two voltage across poles of neon bulb reach certain value, two interpolars just produce aura, and aura power is directly proportional to two voltage across poles.When electrified body voltage-to-ground is greater than the initial glow voltage of neon bulb, and when the pen tip of test pencil is contacted it, the other end is then by human body grounding, so test pencil can be luminous.Catch the metallic object of stylus tail, Stylus contact electric wire, if neon tube luminous, what represent contact is live wire, if neon tube is not luminous, what represent contact is zero line.At present, the test pencil that people use, as test contact mostly with a kind of driver bit, driver bit test contact uses in the place of narrow space and is restricted, form is fixed length and can not be regulated, and neon tube test pencil luminosity is in the past inadequate, is difficult to see clearly the light on and off of neon bulb when measuring and using under light current or high light, sensitivity is low, and use is restricted.
Utility model content
The technical matters that the utility model mainly solves is: provide a kind of replaceable contact adjustable test pencil, the contact of test pencil can be changed and tilt adjustable, and the length of test pencil can regulate, and can use in the space of narrow space.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
The adjustable test pencil of a kind of replaceable contact, comprises handle, resistance, conducting rod, extension sleeve, quick bolt group and test contact,
Described resistance is arranged on the inside of handle, one end of described conducting rod is sleeved in handle, and contact with resistance, one end of described extension sleeve is sleeved on the other end of conducting rod, described test contact is removably connected by the other end of quick bolt group and extension sleeve, and described test contact can be rotated around quick bolt group.
Wherein, also comprise the circuit board with transistor and LED, the described circuit board with transistor is arranged on the inside of handle, and described LED is arranged on handle towards on the end face of test contact.
Wherein, also comprise two contact standing grooves, two described contact standing grooves are all fixedly connected on the end of handle, and two contact standing grooves lay respectively at the both sides up and down of handle end.
Wherein, the other end of described conducting rod is provided with anti-decylization I, one end of described extension sleeve is provided with anti-decylization II, and described anti-decylization I matches to avoid extension sleeve from landing conducting rod with anti-decylization II, and anti-decylization I contacts with the inwall of extension sleeve.
Wherein, the other end of described extension sleeve is provided with contact mounting groove, and one end that described test contact is connected with extension sleeve is arranged in contact mounting groove, is then removably connected by the other end of quick bolt group and extension sleeve.
Wherein, one end that described test contact is connected with extension sleeve is provided with toothed projections, and the two side of described contact mounting groove is provided with the tooth-shape structure matched with toothed projections, makes closely to clamp between test contact and extension sleeve.
Wherein, also comprise battery, spring, copper rivet and bonnet, described resistance, the circuit board with transistor, battery, spring, copper rivet are successively set on the inside of handle, described resistance is connected with the base stage of the transistor of the circuit board with transistor, the described circuit board with transistor is connected with battery, the two ends of described spring are connected with copper rivet with battery respectively, described bonnet is fixedly connected on the end of handle by screw thread, and described copper rivet is sleeved in bonnet.
Wherein, described test contact comprises in-line contact, cruciform contact and rounded contact, and when described test contact selects in-line contact, described cruciform contact and rounded contact are placed in two contact standing grooves respectively.
Wherein, the outside of described conducting rod and extension sleeve is all set with insulation sleeve.
The beneficial effects of the utility model are:
The adjustable test pencil of the replaceable contact of one described in the utility model, by being sleeved in handle one end of conducting rod, and contacts with resistance, and one end of extension sleeve is sleeved on the other end of conducting rod, can realize the length adjustment of test pencil; By the other end of test contact by quick bolt group and extension sleeve is removably connected, and described test contact can be rotated around quick bolt group, the test contact of test pencil is changed and tilt adjustable, visible, test pencil described in the technical program can use at narrow space, use is restricted in the place of narrow space to solve test contact in prior art, and form is fixed, the problem that length can not regulate.
Accompanying drawing explanation
Fig. 1 is the cut-open view of the adjustable test pencil of a kind of replaceable contact of the utility model.
Fig. 2 is the vertical view of the adjustable test pencil of a kind of replaceable contact of the utility model.
Fig. 3 is the partial enlarged drawing of I part in Fig. 2.
Fig. 4 is the structural representation of the cruciform contact of the adjustable test pencil of a kind of replaceable contact of the utility model.
Fig. 5 is the structural representation of the rounded contact of the adjustable test pencil of a kind of replaceable contact of the utility model.
Fig. 6 is the structural representation of the in-line contact of the adjustable test pencil of a kind of replaceable contact of the utility model.
In figure:
1-handle; 2-contact standing groove; 3-resistance; 4-is with the circuit board of transistor; 5-battery; 6-spring; 7-copper rivet; 8-bonnet; 9-conducting rod; The anti-decylization I of 9-1-; 10-LED lamp; 11-extension sleeve; The anti-decylization II of 11-1-; 11-2-contact mounting groove; 12-test contact; 12-1-toothed projections; 13-quick bolt group; 14-cruciform contact; 15-rounded contact; 16-in-line contact.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1, 2, the adjustable test pencil of the replaceable contact of one described in the utility model, comprises handle 1, resistance 3, conducting rod 9, extension sleeve 11, quick bolt group 13 and test contact 12,
Described resistance 3 is arranged on the inside of handle 1, one end of described conducting rod 9 is sleeved in handle 1, and contact with resistance 3, one end of described extension sleeve 11 is sleeved on the other end of conducting rod 9, described test contact 12 is removably connected by the other end of quick bolt group 13 with extension sleeve 11, and described test contact 12 can be rotated around quick bolt group 13.
The adjustable test pencil of the replaceable contact of one described in the utility model, by one end of conducting rod 9 is sleeved in handle 1, and contact with resistance 3, one end of extension sleeve 11 is sleeved on the other end of conducting rod 9, can realize the length adjustment of test pencil; By test contact 12 is removably connected by the other end of quick bolt group 13 with extension sleeve 11, and described test contact 12 can be rotated around quick bolt group 13, the test contact 12 of test pencil can be changed and tilt adjustable, visible, test pencil described in the technical program can use at narrow space, use is restricted in the place of narrow space to solve test contact 12 in prior art, and form is fixed, the problem that length can not regulate.
As shown in Figure 1, 2, test pencil described in the present embodiment also comprises circuit board 4 with transistor and LED 10, the described circuit board 4 with transistor is arranged on the inside of handle 1, and described LED 10 is arranged on handle 1 towards on the end face of test contact 12.Under the promotion of transistor, LED 10 can send high light, significantly can judge that whether object is charged or distinguish live wire and zero line, use sensitive, the neon tube test pencil luminosity solved in the past is inadequate, the light on and off of neon bulb are difficult to see clearly when measuring and using under light current or high light, sensitivity is low, uses the problem be restricted.
As shown in Figure 1, handle 1 described in the present embodiment is in hollow structure, described test pencil also comprises battery 5, spring 6, copper rivet 7 and bonnet 8, described resistance 3, with the circuit board 4 of transistor, battery 5, spring 6, copper rivet 7 is successively set on the inside of handle 1, described resistance 3 is connected with the base stage of the transistor of the circuit board 4 with transistor, the described circuit board 4 with transistor is connected with battery 5, under the promotion of transistor, LED 10 can send high light, significantly can judge that whether object is charged or distinguish live wire and zero line, use sensitive.The two ends of described spring 6 are connected with copper rivet 7 with battery 5 respectively, and described bonnet 8 is fixedly connected on the end of handle 1 by screw thread, and described copper rivet 7 is sleeved in bonnet 8.Be threaded and facilitate opening of bonnet 8, to change the battery 5 of handle 1 inside.
As shown in Figure 1, 2, described test pencil also comprises the end that two contact standing grooves, 2, two described contact standing grooves 2 are all fixedly connected on handle 1, and two contact standing grooves 2 lay respectively at the both sides up and down of handle 1 end.In the present embodiment, described test contact 12 includes but not limited to in-line contact 16, cruciform contact 14 and rounded contact 15, and wherein, Fig. 4 is the structural representation of cruciform contact 14.Fig. 5 is the structural representation of rounded contact 15.Fig. 6 is the structural representation of in-line contact.When described test contact 12 selects in-line contact 16, described cruciform contact 14 and rounded contact 15 are placed in two contact standing grooves 2 respectively.
As shown in Figure 1, the other end of described conducting rod 9 is provided with anti-decylization I 9-1, one end of described extension sleeve 11 is provided with anti-decylization II 11-1, described anti-decylization I 9-1 matches to avoid extension sleeve 11 from landing conducting rod 9 with anti-decylization II 11-1, and anti-decylization I 9-1 contacts with the inwall of extension sleeve 11, make to be communicated with each other for conduction.Be sleeved on the degree of depth on conducting rod 9 by adjustment extension sleeve 11, to change the length of test pencil, make test pencil can be adapted to complicated situation.
Particularly, as shown in Figure 1, 2, 3, the other end of described extension sleeve 11 is provided with contact mounting groove 11-2, described contact mounting groove 11-2 is used for installation testing contact 12, first test contact 12 is arranged in contact mounting groove 11-2, is then connected with extension sleeve 11 by quick bolt group 13.
One end that described test contact 12 is connected with extension sleeve 11 is arranged in contact mounting groove 11-2, is then removably connected by the other end of quick bolt group 13 with extension sleeve 11.Test contact 12 can be rotated around quick bolt group 13, by changing test contact 12 and the angle of extension sleeve 11, making test contact 12 can touch the survey electricity place of narrow space, expanding the scope of application of test pencil, for the use of people is provided convenience.
Further, as shown in Figure 1, 2, 3, one end that described test contact 12 is connected with extension sleeve 11 is provided with toothed projections 12-1, the two side of described contact mounting groove 11-2 is provided with the tooth-shape structure matched with toothed projections 12-1, make closely to clamp between test contact 12 and extension sleeve 11, clamp and steadily do not rotate, result of use is good.
Described cruciform contact 14 and rounded contact 15 can be changed with in-line contact 16, according to use situation, change cruciform contact 14 or rounded contact 15, make test pencil can meet complicated test environment, expand the scope of application of test pencil, for the use of people is provided convenience.
Described conducting rod 9 and the outside of extension sleeve 11 are all set with insulation sleeve, in order to avoid the external world causes electric shock to bring potential safety hazard.
The material of described handle 1 is colourless transparent plastic, because colourless plastic light-transmission is good, and good insulating.
Specific embodiment described herein is only to the utility model explanation for example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (9)
1. the adjustable test pencil of replaceable contact, is characterized in that, comprises handle (1), resistance (3), conducting rod (9), extension sleeve (11), quick bolt group (13) and test contact (12),
Described resistance (3) is arranged on the inside of handle (1), one end of described conducting rod (9) is sleeved in handle (1), and contact with resistance (3), one end of described extension sleeve (11) is sleeved on the other end of conducting rod (9), described test contact (12) is removably connected by the other end of quick bolt group (13) with extension sleeve (11), and described test contact (12) can be rotated around quick bolt group (13).
2. the adjustable test pencil of the replaceable contact of one according to claim 1, it is characterized in that, also comprise the circuit board (4) with transistor and LED (10), the described circuit board with transistor (4) is arranged on the inside of handle (1), and described LED (10) is arranged on handle (1) towards on the end face of test contact (12).
3. the adjustable test pencil of the replaceable contact of one according to claim 1 and 2, it is characterized in that, also comprise two contact standing grooves (2), two described contact standing grooves (2) are all fixedly connected on the end of handle (1), and two contact standing grooves (2) lay respectively at the both sides up and down of handle (1) end.
4. the adjustable test pencil of the replaceable contact of one according to claim 1 and 2, it is characterized in that, the other end of described conducting rod (9) is provided with anti-decylization I (9-1), one end of described extension sleeve (11) is provided with anti-decylization II (11-1), described anti-decylization I (9-1) is matched with anti-decylization II (11-1) to avoid extension sleeve (11) from landing conducting rod (9), and anti-decylization I (9-1) contacts with the inwall of extension sleeve (11).
5. the adjustable test pencil of the replaceable contact of one according to claim 4, it is characterized in that, the other end of described extension sleeve (11) is provided with contact mounting groove (11-2), one end that described test contact (12) is connected with extension sleeve (11) is arranged in contact mounting groove (11-2), is then removably connected by the other end of quick bolt group (13) with extension sleeve (11).
6. the adjustable test pencil of the replaceable contact of one according to claim 5, it is characterized in that, one end that described test contact (12) is connected with extension sleeve (11) is provided with toothed projections (12-1), the two side of described contact mounting groove (11-2) is provided with the tooth-shape structure matched with toothed projections (12-1), makes closely to clamp between test contact (12) and extension sleeve (11).
7. the adjustable test pencil of the replaceable contact of one according to claim 2, it is characterized in that, also comprise battery (5), spring (6), copper rivet (7) and bonnet (8), described resistance (3), with the circuit board (4) of transistor, battery (5), spring (6), copper rivet (7) is successively set on the inside of handle (1), described resistance (3) is connected with the base stage of the transistor of the circuit board (4) with transistor, the described circuit board with transistor (4) is connected with battery (5), the two ends of described spring (6) are connected with copper rivet (7) with battery (5) respectively, described bonnet (8) is fixedly connected on the end of handle (1) by screw thread, and described copper rivet (7) is sleeved in bonnet (8).
8. the adjustable test pencil of the replaceable contact of one according to claim 3, it is characterized in that, described test contact (12) comprises in-line contact (16), cruciform contact (14) and rounded contact (15), when described test contact (12) selects in-line contact (16), described cruciform contact (14) and rounded contact (15) are placed in two contact standing grooves (2) respectively.
9. the adjustable test pencil of the replaceable contact of one according to claim 1, is characterized in that, the outside of described conducting rod (9) and extension sleeve (11) is all set with insulation sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520874683.3U CN205091387U (en) | 2015-11-04 | 2015-11-04 | Adjustable test pencil of removable contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520874683.3U CN205091387U (en) | 2015-11-04 | 2015-11-04 | Adjustable test pencil of removable contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205091387U true CN205091387U (en) | 2016-03-16 |
Family
ID=55482060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520874683.3U Expired - Fee Related CN205091387U (en) | 2015-11-04 | 2015-11-04 | Adjustable test pencil of removable contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205091387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374956A (en) * | 2018-10-24 | 2019-02-22 | 含山县玉龙米业有限公司 | A kind of portable secured test pencil of rice barn |
-
2015
- 2015-11-04 CN CN201520874683.3U patent/CN205091387U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374956A (en) * | 2018-10-24 | 2019-02-22 | 含山县玉龙米业有限公司 | A kind of portable secured test pencil of rice barn |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20161104 |