CN213689756U

CN213689756U - Multipurpose test pencil

Info

Publication number: CN213689756U
Application number: CN202022653787.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhangzhou Huayi Electronics Co ltd
Current assignee: Zhangzhou Huayi Electronics Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-13
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a multipurpose test pencil, which belongs to the technical field of electrical measurement, and the technical proposal key points of the utility model comprise a pencil shell, one side of the pencil shell is fixedly connected with a transparent cover, one side of the transparent cover is movably provided with a thread bush, the inner wall of the thread bush is connected with a screwdriver in a sliding way, the other side of the pencil shell is fixedly connected with a bolt tube, the surface of the bolt tube is connected with a rear cylinder cover in a threaded way, the top of the pencil shell is provided with a first switch and a second switch from left to right in sequence, the front of the pencil shell is provided with a prompt lamp and a loudspeaker from left to right in sequence, the utility model is provided with a clamping groove which is matched with a clamping block and is arranged on the inner wall of the pencil shell, the pencil cover can have sealing property when being arranged on one side of the pencil shell, and can prevent dust from entering into the interior of the pencil shell, thereby avoiding influencing the normal use of electrical, dust adhering to the surface of the screw blade during measurement can be collected.

Description

Multipurpose test pencil

Technical Field

The utility model relates to a test pencil, more specifically say that it relates to a multipurpose test pencil.

Background

The test pencil, called 'test pencil' for short, is an electrician tool used for testing whether the wire is electrified or not. The pen body is provided with a neon bulb, and if the neon bulb shines during testing, the neon bulb indicates that the lead is electrified or is a fire wire of a passage. The pen point and the pen tail of the test pencil are made of metal materials, and the pen holder is made of insulating materials. When the test pencil is used, a user must touch the metal part at the tail end of the test pencil by hand, otherwise, because a charged body, the test pencil, a human body and the ground do not form a loop, neon bulbs in the test pencil cannot emit light to cause misjudgment, and the charged body is considered to be uncharged.

At present, when the existing multifunctional test pencil is used for testing, due to the complicated use environment, when the external air is moist or has more dust, the surface of the existing multifunctional test pencil can be adhered with a lot of dust or water vapor, and the work of the test pencil is influenced.

Disclosure of Invention

Not enough to prior art exists, the utility model aims to provide a multipurpose test pencil, its advantage lies in can clearing up the nib of test pencil inside, reduces its surface and glues the possibility of gluing dust or vapor.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a multipurpose test pencil, includes the shell, one side fixedly connected with translucent cover of shell, one side movable mounting of translucent cover has the thread bush, the inner wall sliding connection of thread bush has the screwdriver, the opposite side fixedly connected with bolt pipe of shell, the surperficial threaded connection of bolt pipe has the back cover, the top of shell has set gradually first switch and second switch from left to right, the front of shell has set gradually warning light and speaker from left to right, the joint has the cap on one side of the inner wall of shell, the inner wall of cap seted up respectively with screwdriver, thread bush, translucent cover assorted mounting groove.

Through adopting above-mentioned technical scheme, the inside screwdriver of electrical measuring device can be changed into flush head nib and cross nib as required, the holistic usage of device has been increased, still can be according to actual needs simultaneously, the selection is changed the screwdriver into the spanner head etc. that other electricians are commonly used, the versatility of device has further been increased, and it is comparatively convenient when dismantling and installing, the pen cap can make the pen shell have the leakproofness in addition, avoid measuring device to have dust and steam to enter into the inside to the pen cap, influence the electricity measuring function of screwdriver, good protecting effect has.

The utility model discloses further set up to: the inner wall of mounting groove is provided with the asbestos layer, the asbestos layer can contact with the screwdriver, the equal fixedly connected with fixture block in one side inner wall top and the inner wall bottom of mounting groove, the joint groove that is the shape of returning with a lid phase-match and shape is seted up to one side inner wall of a shell, the inner wall of a shell seted up with the joint groove be linked together and with fixture block assorted draw-in groove.

By adopting the technical scheme, the clamping groove matched with the clamping block is formed in the inner wall of the pen shell, so that the pen cover has sealing property when being arranged on one side of the pen shell, dust is prevented from entering the interior of the pen shell, and the influence on the normal use of electrical elements in the pen shell is avoided; secondly, through the asbestos layer that contacts with the spiral shell sword, can adsorb the dust that adheres to the spiral shell sword surface when measuring.

The utility model discloses further set up to: the pen shell is characterized in that a circuit board and an electromagnetic inductor are respectively arranged on one side of the inner wall of the pen shell, the output ends of the electromagnetic inductor and the second switch are electrically connected with the input end of the circuit board, and the output end of the circuit board is electrically connected with the input end of the loudspeaker and the input end of the prompting lamp respectively.

Through adopting above-mentioned technical scheme, when pressing the second switch, can make this electrical measurement device normally work to can make speaker and warning light work under circuit board and electromagnetic inductor's electric property cooperation, so that remind the user of service.

The utility model discloses further set up to: one side fixedly connected with external screw thread pipe of translucent cover, the screw thread on external screw thread pipe surface and the screw thread phase-match of thread bush inner wall, and the thread groove that is used for threaded connection that the thread bush inner wall was seted up, and the cross section of thread groove is isosceles trapezoid, the breach that quantity is two is seted up on the surface of external screw thread pipe.

By adopting the technical scheme, when the threaded sleeve is in threaded connection with the external threaded pipe and continuously approaches one side of the pen shell, the external threaded pipe with the notch can deform towards the center of the screwdriver under the action of the threaded sleeve and fix the screwdriver.

The utility model discloses further set up to: the inner wall of the transparent cover is provided with an annular lamp groove, the inner wall of one side of the lamp groove is fixedly connected with lamp tubes distributed annularly, the output end of the first switch is electrically connected with the input end of the circuit board, and the output end of the circuit board is electrically connected with the input end of each lamp tube.

Through adopting above-mentioned technical scheme, when pressing first switch, can make the fluorescent tube work that the light trough inner wall set up under the electromagnetic action of circuit board, the user of being convenient for uses this electrical measuring device when night.

The utility model discloses further set up to: the inner wall movable mounting of pen shell has the quantity to be two batteries, inner wall one side fixedly connected with negative pole piece of back cover, the negative pole piece can contact with the positive terminal of battery.

By adopting the technical scheme, when the rear cylinder cover is in threaded connection with the surface of the bolt tube and is continuously close to the pen shell, the negative block arranged on the inner wall of the rear cylinder cover can be in contact with the battery, so that the electric measuring device is electrified.

The utility model discloses further set up to: the battery pack is characterized in that one side of the inner wall of the rear barrel cover is fixedly connected with a spring sleeved on the surface of the negative pole block, and one end, far away from the negative pole block, of the spring can be in contact with a battery.

Through adopting above-mentioned technical scheme, the setting of spring can make back cover install when the bolt pipe surface, supports the battery and presses to carry on spacingly to the battery, when making the battery install inside the shell of a pen, have fine stability.

The utility model discloses further set up to: one side of the screwdriver close to the pen shell sequentially penetrates through the threaded sleeve, the transparent cover and the pen shell and extends to the interior of the pen shell, the inner wall of the pen shell is fixedly connected with a magnetic suction block in an annular shape, and the magnetic suction block can be in contact with the screwdriver.

Through adopting above-mentioned technical scheme, the magnetism piece of inhaling that contacts with the screwdriver can make the screwdriver install when the shell of a pen is inside, is difficult for breaking away from and influencing user's operation from the inside of shell of a pen.

To sum up, the utility model has the advantages of it is following:

1. the electric measuring device has multiple purposes, is convenient to disassemble and assemble, can ensure that the pen shell has sealing performance by the pen cover, and can be protected when not used;

2. the pen cap has sealing performance when being arranged on one side of the pen shell through the clamping groove which is formed in the inner wall of the pen shell and matched with the clamping block, dust can be prevented from entering the interior of the pen shell, normal use of electrical elements in the pen shell is prevented from being influenced, and then dust adhered to the surface of the screwdriver during measurement can be collected through the asbestos layer which is in contact with the screwdriver;

3. when the threaded sleeve is in threaded connection with the external threaded pipe and continuously approaches one side of the pen shell, the external threaded pipe with the notch can deform towards the center of the screwdriver under the action of the threaded sleeve and fix the screwdriver.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a front sectional view of the present embodiment;

FIG. 3 is a left side sectional view of the present embodiment;

fig. 4 is a front sectional view of the rear cover of the present embodiment.

Description of reference numerals: 1. a pen shell; 2. a rear cylinder cover; 3. a battery; 4. a first switch; 5. a second switch; 6. a speaker; 7. a warning light; 8. a transparent cover; 9. a threaded sleeve; 10. a screw cutter; 11. a pen cap; 12. an asbestos layer; 13. a lamp tube; 14. a magnetic block; 15. an electromagnetic inductor; 16. a circuit board; 17. a spring; 18. and a negative pole block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A multipurpose test pencil is shown in figure 1, and comprises a pencil shell 1, a transparent cover 8 is fixedly connected to one side of the pencil shell 1, a threaded sleeve 9 is movably installed on one side of the transparent cover 8, a screwdriver 10 is slidably connected to the inner wall of the threaded sleeve 9, a bolt tube is fixedly connected to the other side of the pencil shell 1, a rear cylinder cover 2 is in threaded connection with the surface of the bolt tube, a first switch 4 and a second switch 5 are sequentially arranged on the top of the pencil shell 1 from left to right, a prompt lamp 7 and a loudspeaker 6 are sequentially arranged on the front side of the pencil shell 1 from left to right, a pencil cover 11 is clamped to one side of the inner wall of the pencil shell 1, mounting grooves matched with the screwdriver 10, the threaded sleeve 9 and the transparent cover 8 are formed in the inner wall of the pencil cover 11, the screwdriver 10 in the electric measuring device can be replaced by a flat-head pen point and a cross-head, so that the electric measuring device has various purposes and is convenient to, the pen cap 11 can enable the pen shell 1 to have sealing performance, so that the phenomenon that dust and water vapor enter the interior of the pen cap 11 when the measuring device is not used to influence the electricity measuring function of the screwdriver is avoided, and the electric measuring device can be protected.

As shown in fig. 1 and 2, a circuit board 16 and an electromagnetic inductor 15 are respectively arranged on one side of the inner wall of the pen case 1, the output ends of the electromagnetic inductor 15 and the second switch 5 are electrically connected with the input end of the circuit board 16, the output end of the circuit board 16 is electrically connected with the input ends of the speaker 6 and the indicator light 7, when the second switch 5 is pressed, the electrical measuring device can work normally, and the speaker 6 and the indicator light 7 can work under the electrical matching of the circuit board 16 and the electromagnetic inductor 15, so as to remind a user.

As shown in fig. 2, an asbestos layer 12 is arranged on the inner wall of the mounting groove, the asbestos layer 12 can be in contact with a screwdriver 10, clamping blocks are fixedly connected to the top of the inner wall on one side of the mounting groove and the bottom of the inner wall, a clamping groove which is matched with the pen cap 11 and is in a shape of a square-shaped circle is formed in the inner wall on one side of the pen shell 1, a clamping groove which is communicated with the clamping groove and is matched with the clamping blocks is formed in the inner wall of the pen shell 1, a clamping groove which is matched with the clamping blocks is formed in the inner wall of the pen shell 1, so that the pen cap 11 has sealing performance when being mounted on one side of the pen shell 1, dust is prevented from entering the; secondly, dust adhering to the surface of the screw 10 during measurement can be adsorbed by the asbestos layer in contact with the screw.

As shown in fig. 2, an annular light trough is formed on the inner wall of the transparent cover 8, the light tubes 13 distributed in an annular shape are fixedly connected to the inner wall of one side of the light trough, the output end of the first switch 4 is electrically connected to the input end of the circuit board 16, the output end of the circuit board 16 is electrically connected to the input end of each light tube 13, when the first switch 4 is pressed, the light tubes 13 arranged on the inner wall of the light trough can work under the electromagnetic action of the circuit board 16, and a user can use the electric measuring device conveniently at night.

As shown in fig. 2, one side of the screwdriver 10 close to the pen case 1 sequentially penetrates through the threaded sleeve 9, the transparent cover 8 and the pen case 1 and extends to the inside of the pen case 1, the inner wall of the pen case 1 is fixedly connected with a magnetic attraction block 14 in an annular shape, the magnetic attraction block 14 can be in contact with the screwdriver 10, and the screwdriver 10 can be installed inside the pen case 1 through the magnetic attraction block 14 in contact with the screwdriver 10, so that the screwdriver is not easy to break away from the inside of the pen case 1 and affect the operation of users.

As shown in fig. 2 and 3, an external threaded tube is fixedly connected to one side of the transparent cover 8, threads on the surface of the external threaded tube are matched with threads on the inner wall of the threaded sleeve 9, a threaded groove for threaded connection is formed in the inner wall of the threaded sleeve 9, the cross section of the threaded groove is isosceles trapezoid, two notches are formed in the surface of the external threaded tube, and when the threaded sleeve 9 is in threaded connection with the external threaded tube and is continuously close to one side of the pen case 1, the external threaded tube provided with the notches can be deformed toward the center of the screwdriver 10 under the action of the threaded sleeve 9, and the screwdriver 10 is fixed.

As shown in fig. 1 and 4, two batteries 3 are movably mounted on the inner wall of the pen case 1, a negative electrode block 18 is fixedly connected to one side of the inner wall of the rear cylinder cover 2, the negative electrode block 18 can contact with the positive electrode end of the battery 3, and when the rear cylinder cover 2 is in threaded connection with the surface of the bolt tube and continuously approaches the pen case 1, the negative electrode block 18 arranged on the inner wall of the rear cylinder cover can contact with the battery 3, so that the electric measuring device is electrified.

As shown in fig. 1 and 4, one side of the inner wall of the rear cylinder cover 2 is fixedly connected with a spring 17 sleeved on the surface of the negative pole block 18, one end of the spring 17 far away from the negative pole block 18 can be contacted with the battery 3, and the arrangement of the spring 17 can enable the rear cylinder cover 2 to support and press the battery 3 when being installed on the surface of the bolt tube, limit the battery 3, and enable the battery 3 to be installed inside the pen shell 1, so that the rear cylinder cover has good stability.

The utility model discloses a working process and beneficial effect as follows: the user of service is when measuring the circuit, earlier take off pen cover 11, install screwdriver 10 in the inside of pen shell 1, rotate thread bush 9 after that, carry out spacing fixed to screwdriver 10, when service environment is comparatively dark, user of service can press first switch 4, can make the fluorescent tube 13 work that the light trough inner wall set up under circuit board 16's electromagnetic action, convenient to use person uses this electrical measuring device when night, when detecting the circuit fracture, electromagnetic inductor 15 makes speaker 6 and warning light 7 work under circuit board 16 and electromagnetic inductor 15's electric property cooperation, so that remind user of service.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. A multipurpose test pencil, includes a shell (1), its characterized in that: one side fixedly connected with translucent cover (8) of pen shell (1), one side movable mounting of translucent cover (8) has thread bush (9), the inner wall sliding connection of thread bush (9) has screwdriver (10), the opposite side fixedly connected with bolt pipe of pen shell (1), the surperficial threaded connection of bolt pipe has back cover (2), the top of pen shell (1) has set gradually first switch (4) and second switch (5) from left to right, the front of pen shell (1) has set gradually warning light (7) and speaker (6) from left to right, inner wall one side joint of pen shell (1) has pen cap (11), the inner wall of pen cap (11) has been seted up respectively with screwdriver (10), thread bush (9), translucent cover (8) assorted mounting groove.

2. The multi-purpose test pencil of claim 1, wherein: the inner wall of mounting groove is provided with asbestos layer (12), asbestos layer (12) can contact with spiral shell sword (10), the equal fixedly connected with fixture block in one side inner wall top and the inner wall bottom of mounting groove, the joint groove that is the shape of returning with pen cover (11) phase-match and shape is seted up to one side inner wall of a shell (1), the inner wall of a shell (1) is seted up and is linked together and with the joint groove draw-in groove of fixture block assorted.

3. The multi-purpose test pencil of claim 1, wherein: the pen is characterized in that a circuit board (16) and an electromagnetic inductor (15) are respectively arranged on one side of the inner wall of the pen shell (1), the output ends of the electromagnetic inductor (15) and the second switch (5) are electrically connected with the input end of the circuit board (16), and the output end of the circuit board (16) is electrically connected with the input end of the loudspeaker (6) and the input end of the prompt lamp (7) respectively.

4. The multi-purpose test pencil of claim 1, wherein: one side fixedly connected with external screw thread pipe of translucent cover (8), the screw thread on external screw thread pipe surface and the screw thread phase-match of thread bush (9) inner wall, and the thread groove that is used for threaded connection that the inner wall of thread bush (9) was seted up, and the cross section of thread groove is isosceles trapezoid, the surface of external screw thread pipe is seted up quantity and is two breach.

5. The multi-purpose test pencil of claim 1, wherein: the lamp comprises a transparent cover (8), and is characterized in that an annular lamp groove is formed in the inner wall of the transparent cover (8), lamps (13) distributed in an annular shape are fixedly connected to the inner wall of one side of the lamp groove, the output end of a first switch (4) is electrically connected with the input end of a circuit board (16), and the output end of the circuit board (16) is electrically connected with the input end of each lamp (13).

6. The multi-purpose test pencil of claim 1, wherein: the pen holder is characterized in that the inner wall of the pen holder (1) is movably provided with two batteries (3), one side of the inner wall of the rear barrel cover (2) is fixedly connected with a negative pole block (18), and the negative pole block (18) can be in contact with the positive pole end of each battery (3).

7. The multi-purpose test pencil of claim 6, wherein: the battery pack is characterized in that one side of the inner wall of the rear barrel cover (2) is fixedly connected with a spring (17) sleeved on the surface of the negative pole block (18), and one end, far away from the negative pole block (18), of the spring (17) can be in contact with the battery (3).

8. The multi-purpose test pencil of claim 1, wherein: one side that screwdriver (10) are close to a shell (1) runs through thread bush (9), translucent cover (8), a shell (1) in proper order and extends to the inside of a shell (1), the inner wall fixedly connected with shape of a shell (1) is magnetic for annular piece (14), magnetic piece (14) of inhaling can contact with screwdriver (10).