CN112415305A

CN112415305A - Special tool for weak current debugging

Info

Publication number: CN112415305A
Application number: CN202011206577.XA
Authority: CN
Inventors: 王文博; 曹威; 陈艳杰; 袁靖; 王秀敏; 庞丽娜
Original assignee: Shangqiu Institute of Technology
Current assignee: Shangqiu Institute of Technology
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-02-26

Abstract

The invention discloses a special tool for weak current debugging, which comprises a box body, a wire clamp shell and a test pencil shell, wherein two placing grooves are formed in the box body, the wire clamp shell and the test pencil shell are respectively placed in the two placing grooves, a first telescopic rod is fixedly connected to the surface of the interior of the wire clamp shell, one end, far away from the wire clamp shell, of the first telescopic rod is fixedly connected with a rubber sleeve, the surface of the rubber sleeve is fixedly connected with a fixing frame, one end, far away from the rubber sleeve, of the rubber sleeve is fixedly connected with a handle in a sliding mode, one end, far away from the rubber sleeve, of the handle is fixedly connected with a movable plate, and one end, far away from the handle, of the movable plate is rotatably connected with a first connecting rod The fan blade makes the test pencil can realize the illumination, two effects of blowing.

Description

Special tool for weak current debugging

Technical Field

The invention relates to the technical field of weak current construction, in particular to a special tool for weak current debugging.

Background

Weak current generally refers to direct current circuit or audio, video line, network line, telephone line, and direct current voltage is generally within 32V. The signal input of telephone, computer, TV set, audio equipment and other electrical appliances in the household electrical appliances are all weak current electrical equipment, and the weak current debugging mainly comprises TV signal engineering, such as TV monitoring system and cable TV; communications engineering, such as telephony; intelligent fire engineering; background music in buildings; the comprehensive wiring engineering is mainly used for computer networks.

The tool commonly used in the weak current debugging comprises a wire clamp and a test pencil, but the existing wire clamp is single in design, only can play a role in fixing when clamping a wire, when the wire end of the wire needs to be screwed, the wire clamp needs to be manually rotated back and forth, time and physical strength are wasted, the existing wire clamp is fixed in length, and the handle of the wire clamp with a point is short, so that the wire clamp is difficult to use, and when the existing test pencil is used at night, the pen point of the test pencil cannot be aligned to an object to be tested due to dark light, so that difficulty is increased for constructors, and sweat on the palm can be caused by holding the test pencil for a long time, so that potential safety hazards are caused.

Disclosure of Invention

The invention aims to solve the defects that the wire clamp in the prior art is single in design and the test pencil is inconvenient to work at night, and provides a special weak current debugging tool.

In order to achieve the purpose, the invention adopts the following technical scheme:

a special weak current debugging tool comprises a box body, a wire clamp shell and a test pencil shell, wherein two placing grooves are formed in the box body, the wire clamp shell and the test pencil shell are respectively placed in the two placing grooves, a first telescopic rod is fixedly connected to the surface of the interior of the wire clamp shell, a rubber sleeve is fixedly connected to one end, away from the wire clamp shell, of the first telescopic rod, a fixing frame is fixedly connected to the surface of the rubber sleeve, a handle is slidably connected to one end, away from the rubber sleeve, of the rubber sleeve, a movable plate is fixedly connected to one end, away from the handle, of the movable plate is rotatably connected to one end, away from the handle, of the first connecting rod, a connecting shaft is rotatably connected to one end, away from the first connecting rod, of the connecting shaft is fixedly connected to a binding clip, and a connecting groove is slidably connected between the two handles, the end of the rubber sleeve far away from the handle is fixedly connected with a first telescopic groove, the inside of the first telescopic groove is connected with a second telescopic rod in a sliding manner, the surface of the rubber sleeve is connected with a first movable rod in a rotating manner, the surface of the second telescopic rod is fixedly connected with a third telescopic rod, the end of the third telescopic rod far away from the second telescopic rod is fixedly connected with a first sliding block, the inside of the first sliding block is connected with a threaded rod in a sliding manner, the two first movable rods are fixedly connected to the surface of the first sliding block at the end far away from the rubber sleeve, the end of the threaded rod far away from the rubber sleeve is fixedly connected with a hand wheel, the inside of the hand wheel is provided with two limit grooves, the top of the test pencil shell is provided with a battery groove, the inside of the test pencil shell is fixedly connected with a driving motor, the output end of, the inside pen-holder that is equipped with of rubber boot, the pen-holder is kept away from test pencil shell one end fixedly connected with contact, the contact extends to the rubber boot outside, the inside fixedly connected with movable block of test pencil shell, the movable block extends to the test pencil shell outside, movable block both ends fixedly connected with stopper, two stopper bottom surface difference fixedly connected with third spacing spring, movable block bottom fixedly connected with response piece, be equipped with extension mechanism on the rubber sleeve, the inside canceling release mechanical system that is equipped with of hand wheel, be equipped with drive mechanism on the first rotation pole, be equipped with response mechanism on the movable block.

Preferably, extend the mechanism and include the second movable rod of sliding connection on rubber sleeve, the lateral wall of second movable rod runs through the mount and extends to the inside that corresponds the handle, the lateral wall cover of second movable rod is equipped with first spacing spring.

Preferably, the first limiting spring is located in the fixed frame, two ends of the first limiting spring are respectively and fixedly connected with the second movable rod and the fixed frame, and a plurality of through holes are formed in the surface of the handle.

Preferably, canceling release mechanical system includes the flexible groove of second of fixed connection at hand wheel internal surface, the flexible inslot portion sliding connection of second has the fourth telescopic link, the trapezoidal baffle of the flexible inslot portion fixedly connected with of second is kept away from to the fourth telescopic link, trapezoidal baffle extends to the spacing groove outside, the flexible inslot of second is overlapped on the surface and is equipped with the spacing spring of second, trapezoidal baffle one end fixedly connected with threaded rod is kept away from to the fourth telescopic link, handle and hand wheel surface sliding connection.

Preferably, drive mechanism includes the bevel gear of fixed connection on first dwang, two from top to bottom bevel gear fixed surface is connected with the second dwang, bevel gear's one end fixedly connected with flabellum is kept away from to the second dwang, second dwang surface rotates and is connected with the dead lever, the dead lever is kept away from the one end and the rubber cover fixed surface of second dwang and is connected.

Preferably, bevel gear quantity is three, and three bevel gear is upper, middle and lower position meshing connection respectively, second dwang, flabellum, dead lever quantity are two, and two second dwang, flabellum, dead lever all are with first dwang symmetry.

Preferably, the sensing mechanism comprises a battery arranged in a battery tank, the positive end of the battery is connected with a sensing block fixed on the inner surface of the shell of the test pencil through an electric wire, the negative end of the battery is connected with a driving motor through an electric wire, the sensing block fixed on the movable block is connected with the driving motor through an electric wire, and the sensing blocks are connected with a bulb through electric wires

Preferably, the one end fixedly connected with a plurality of second sliders of rubber cover and test pencil shell are connected, test pencil shell surface is equipped with a plurality of slide rails, the second slider slides from top to bottom on the slide rail surface, just test pencil shell surface is ventilative surface.

Compared with the prior art, the invention has the beneficial effects that:

1. through the designed hand wheel and threaded rod, only the hand wheel needs to be rotated, the threaded rod is driven to rotate, the first sliding block slides towards the hand wheel by the aid of the rotated threaded rod, the sliding hand wheel drives the two first movable rods to move, so that the binding clip is driven to clamp and fix the binding clip to the binding clip, the hand wheel continues to be rotated, the second telescopic rod is driven to rotate by the aid of the rotated hand wheel, the whole wire clamping pliers is driven to rotate, the fixation of the binding clip to the binding clip can be completed only by rotating the hand wheel, the two processes of screwing are convenient and simple, and time required by constructors is saved.

2. Through the rubber sleeve and the second movable rod of design, only need upwards stimulate the second movable rod, then pull rubber sleeve again, when having selected length, loosen the second movable rod, the second movable rod can be under first spacing spring elastic action this moment, enters into again inside the handle, carries on spacingly to the handle, accomplishes the length adjustment to the handle, makes the double-layered line process convenient more laborsaving.

3. Through two response pieces and the driving motor of design, realize that constructor only need press the movable block downwards, make two response piece contacts to make the electric wire produce the electric current, make the bulb shine, and then make and begin to start, solve evening work light not good and lead to the problem that work efficiency is poor.

4. Through the flabellum of design, when driving motor during operation, it rotates to drive the handle, pivoted first rotation pole drives bevel gear and rotates, pivoted bevel gear and then drive the rubber cap and rotate, thereby it rotates to drive the flabellum, the air current that the flabellum rotation produced blows to test pencil shell surface, through at a plurality of ventilative apertures of test pencil shell surface design, consequently the air current will blow constructor on hand through the ventilative aperture, prevent that constructor from holding the test pencil for a long time and leading to the palm of the hand sweat probably to cause the problem of potential safety hazard.

Drawings

FIG. 1 is a schematic structural diagram of a special tool for weak current debugging, namely a wire clamp according to the present invention;

FIG. 2 is an enlarged view of the A position in the structural schematic diagram of the special tool wire clamp for weak current debugging provided by the invention;

FIG. 3 is an enlarged view of the position B in the structural schematic diagram of the special tool wire clamp for weak current debugging provided by the invention;

FIG. 4 is a schematic structural diagram of a test pencil of a special weak current debugging tool according to the present invention;

FIG. 5 is an enlarged view of the point C in the structural schematic diagram of the special test pencil for weak current debugging provided by the present invention;

FIG. 6 is a connection diagram of the test pencil shell and the rubber cover of the test pencil of the special weak current debugging tool of the invention;

FIG. 7 is a bevel gear connection diagram of a special test pencil for weak current debugging provided by the invention;

fig. 8 is a perspective view of a box body of the special weak current debugging tool provided by the invention.

In the figure: 1 box body, 2 placing grooves, 3 wire clipper shells, 4 rubber sleeves, 5 first telescopic rods, 6 grips, 7 movable plates, 8 first connecting rods, 9 connecting shafts, 10 clipper heads, 11 connecting grooves, 12 first telescopic grooves, 13 second telescopic rods, 14 first movable rods, 15 third telescopic rods, 16 first sliding blocks, 17 threaded rods, 18 hand wheels, 19 second movable rods, 20 fixed frames, 21 first limiting springs, 22 trapezoidal baffles and 23 limiting grooves, 24, a fourth telescopic rod, 25, a second telescopic groove, 26, a second limit spring, 27 handles, 28 test pencil shells, 29 rubber covers, 30 battery grooves, 31 batteries, 32 movable blocks, 33 limit blocks, 34, a third limit spring, 35 induction blocks, 36 driving motors, 37 first rotating rods, 38 bevel gears, 39 second rotating rods, 40 fan blades, 41 fixed rods, 42 penholders, 43 contacts, 44 bulbs, 45 second sliding blocks and 46 sliding rails.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-8, a special weak current debugging tool comprises a box body 1, a wire clamp shell 3 and a test pencil shell 28, wherein two placing grooves 2 are arranged inside the box body 1, the wire clamp shell 3 and the test pencil shell 28 are respectively placed in the two placing grooves 2, a first telescopic rod 5 is fixedly connected to the surface inside the wire clamp shell 3, a rubber sleeve 4 is fixedly connected to one end of the first telescopic rod 5 away from the wire clamp shell 3, a fixing frame 20 is fixedly connected to the surface of the rubber sleeve 4, a handle 6 is slidably connected to one end of the rubber sleeve 4, a movable plate 7 is fixedly connected to one end of the handle 6 away from the rubber sleeve 4, a first connecting rod 8 is rotatably connected to one end of the movable plate 8 away from the handle 7, a connecting shaft 9 is rotatably connected to one end of the connecting shaft 9 away from the first connecting rod 8, a connecting groove 11 is connected between the two handles 6 in a sliding manner, one end of the rubber sleeve 4 far away from the handles 6 is fixedly connected with a first telescopic groove 12, a second telescopic rod 13 is connected inside the first telescopic groove 12 in a sliding manner, the surface of the rubber sleeve 4 is rotatably connected with a first movable rod 14, the surface of the second telescopic rod 13 is fixedly connected with a third telescopic rod 15, one end of the third telescopic rod 15 far away from the second telescopic rod 13 is fixedly connected with a first slider 16, a threaded rod 17 is connected inside the first slider 16 in a sliding manner, one ends of the two first movable rods 14 far away from the rubber sleeve 4 are fixedly connected on the surface of the first slider 16, one end of the threaded rod 17 far away from the rubber sleeve 4 is fixedly connected with a hand wheel 18, two limiting grooves 23 are arranged inside the hand wheel 18, a battery groove 30 is arranged at the top of the test pencil shell 28, a driving motor 36 is fixedly connected, the surface sliding connection of test pencil shell 28 has rubber boot 29, the inside pen-holder 42 that is equipped with of

rubber boot

29, 28 one end fixedly connected with contact 43 of test pencil shell is kept away from to pen-holder 42, contact 43 extends to the rubber boot 29 outside, the inside fixedly connected with movable block 32 of test pencil shell 28, movable block 32 extends to the test pencil shell 28 outside, movable block 32 both ends fixedly connected with stopper 33, two stopper 33 bottom surfaces fixedly connected with third limiting spring 34 respectively, movable block 32 bottom fixedly connected with response piece 35.

Be equipped with on the rubber sleeve 4 and extend the mechanism, extend the mechanism and include sliding connection second movable rod 19 on rubber sleeve 4, the lateral wall of second movable rod 19 runs through mount 20 and extends to the inside that corresponds handle 6, the lateral wall cover of second movable rod 19 is equipped with first spacing spring 21, first spacing spring 21 is arranged in mount 20 and first spacing spring 21's both ends respectively with second movable rod 19 and mount 20 fixed connection, handle 6 surface is equipped with a plurality of through-holes.

The inside canceling release mechanical system that is equipped with of hand wheel 18, canceling release mechanical system includes the flexible groove 25 of second of fixed connection at the hand wheel 18 internal surface, the inside sliding connection of the flexible groove 25 of second has fourth telescopic link 24, the flexible groove 25 one end fixedly connected with trapezoidal baffle 22 of second is kept away from to fourth telescopic link 24, trapezoidal baffle 22 extends to spacing groove 23 outside, the flexible groove 25 of second is equipped with the spacing spring 26 of second on the surface cover, trapezoidal baffle 22 one end fixedly connected with threaded rod 17 is kept away from to fourth telescopic link 24, handle 27 and 18 surface sliding connection of hand wheel.

Be equipped with drive mechanism on first dwang 37, drive mechanism includes bevel gear 38 of fixed connection on first dwang 37, two bevel gear 38 fixed surface are connected with second dwang 39 from top to bottom, bevel gear 38's one end fixedly connected with flabellum 40 is kept away from to second dwang 39, second dwang 39 surface is rotated and is connected with dead lever 41, the one end and the rubber cover 29 fixed surface that second dwang 39 was kept away from to dead lever 41, bevel gear 38 quantity is three, and three bevel gear 38 is the meshing connection of upper, middle and lower position respectively, second dwang 39, flabellum 40, dead lever 41 quantity is two, and two second dwang 39, flabellum 40, dead lever 41 all uses first dwang 37 symmetry, prevent that constructor from holding the test pencil for a long time and leading to the palm of the hand sweat probably to cause the problem.

Be equipped with induction mechanism on the movable block 32, induction mechanism is including setting up the battery 31 in battery jar 30, battery 31 positive terminal passes through the electric wire and is connected with the induction block 35 of fixing at the test pencil shell 28 internal surface, battery 31 negative pole end passes through the electric wire and is connected with driving motor 36, the induction block 35 of fixing on movable block 32 passes through the electric wire and is connected with driving motor 36, two induction blocks 35 have bulb 44 through the connection of electric lines, a plurality of second sliders 45 of one end fixedly connected with that rubber cover 29 and test pencil shell 28 are connected, test pencil shell 28 surface is equipped with a plurality of slide rails 46, second slider 45 slides from top to bottom at slide rail 46 surface, and test pencil shell 28 surface is ventilative surface, solve the not good and lead to the poor problem of work efficiency of working light night.

In the invention, when weak current is debugged and maintained, two common tools of a test pencil and a wire clamp are taken out from a placing groove 2, when the weak current is debugged and maintained, firstly, a clamp head 10 is aligned with a wire end, then a hand wheel 18 is started to rotate, the rotating hand wheel 18 drives a threaded rod 17 to rotate, the rotating threaded rod 17 enables a first slide block 16 which is connected on the surface in a sliding way to slide towards the hand wheel 18, the sliding hand wheel 18 drives two first movable rods 14 to move, the moving first movable rods 14 drive two rubber sleeves 4 to gradually approach under the action of pulling force, the moving two rubber sleeves 4 drive a first connecting rod 8 to move at the moment, so that the clamp head 10 is driven to clamp and fix the wire end, the designed first telescopic rod 5 enables the rubber sleeves 4 to only move up and down, the rubber sleeves 4 are prevented from sliding along with the first slide block 16, and then the hand wheel 18 is continuously rotated, at this time, the third telescopic rod 15 fixed at both ends of the first sliding block 16 drives the second telescopic rod 13 to move towards the hand wheel 18, when one end of the second telescopic rod 13 enters the limit groove 23 inside the hand wheel 18, the second telescopic rod 13 extrudes the trapezoidal baffle 22, the trapezoidal baffle 22 drives the fourth telescopic rod 24 to retract into the third telescopic rod 15 under the action of pressure, so the trapezoidal baffle 22 retracts into the limit groove 23, when the clamping groove designed inside the second telescopic rod 13 passes through the trapezoidal baffle 22, the trapezoidal baffle 22 returns to the original position under the action of the elastic force of the second limit spring 26, because the trapezoidal baffle 22 is designed into a right-angled trapezoid shape, the trapezoidal baffle 22 blocks the second telescopic rod 13, so that the hand wheel 18 drives the two second telescopic rods 13 to rotate, thereby driving the whole wire clamp body to rotate, and forming that the wire end can be fixed only by rotating the hand wheel 18, the two processes of screwing are convenient and simple, the time required by construction workers is saved, when the wire clamping process is finished, the handle 27 is pulled, the limit of the second telescopic rod 13 is relieved by the trapezoidal baffle plate 22, the second telescopic rod 13 is pushed to return to the original position, when the length of the grip 6 of the wire clamp is adjusted, the second movable rod 19 only needs to be pulled upwards, the limit of the grip 6 is relieved by the second movable rod 19, then the rubber sleeve 4 is pulled, when the length is selected, the second movable rod 19 is loosened, at the moment, the second movable rod 19 enters the grip 6 again under the elastic action of the first limiting spring 21, the grip 6 is limited, the length adjustment of the grip 6 is finished, and the wire clamping process is more convenient and labor-saving. When the electric wire is used for electricity measurement at night, the movable block 32 is pressed by hand, at the moment, the induction block 35 fixedly connected to the bottom end of the movable block 32 is contacted with the induction block 35 fixedly connected to the inner surface of the test pencil shell 28, so that the electric wire generates current, the bulb 44 is lightened, and further the driving motor 36 is started, the handle 27 is driven to rotate by the driving motor 36, the bevel gear 38 is driven to rotate by the first rotating rod 37, the rotating bevel gear 38 drives the rubber cover 29 to rotate, thereby driving the fan blade 40 to rotate, the wind flow generated by the rotation of the fan blade 40 is blown to the surface of the test pencil shell 28, because the surface of the test pencil shell 28 is provided with a plurality of small ventilation holes, wind current is blown to the hands of constructors through the small ventilation holes, the problem that potential safety hazards can be caused by the palm sweating caused by the constructors holding the test pencil for a long time is prevented, the bulb 44 that shines simultaneously also solves the problem that the operating efficiency is poor at night due to poor working light.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A special weak current debugging tool comprises a box body (1), a wire clamp shell (3) and a test pencil shell (28), and is characterized in that two placing grooves (2) are arranged in the box body (1), the wire clamp shell (3) and the test pencil shell (28) are respectively placed in the two placing grooves (2), a first telescopic rod (5) is fixedly connected to the inner surface of the wire clamp shell (3), a rubber sleeve (4) is fixedly connected to one end, away from the wire clamp shell (3), of the first telescopic rod (5), a fixing frame (20) is fixedly connected to the surface of the rubber sleeve (4), a handle (6) is slidably connected to one end, away from the rubber sleeve (4), of the handle (6), a movable plate (7) is fixedly connected to one end, away from the handle (6), of the movable plate (7) is rotatably connected to a first connecting rod (8), the one end of the first connecting rod (8) far away from the movable plate (7) is rotatably connected with a connecting shaft (9), one end of the connecting shaft (9) far away from the first connecting rod (8) is fixedly connected with a binding clip (10), two handles (6) are slidably connected with a connecting groove (11), one end of the rubber sleeve (4) far away from the handles (6) is fixedly connected with a first telescopic groove (12), a second telescopic rod (13) is slidably connected inside the first telescopic groove (12), a first movable rod (14) is rotatably connected on the surface of the rubber sleeve (4), a third telescopic rod (15) is fixedly connected on the surface of the second telescopic rod (13), a first sliding block (16) is fixedly connected at one end of the third telescopic rod (15) far away from the second telescopic rod (13), and a threaded rod (17) is slidably connected inside the first sliding block (16), two one end fixed connection of rubber sleeve (4) is being kept away from in first movable rod (14) is on first slider (16) surface, rubber sleeve (4)'s one end fixedly connected with hand wheel (18) is kept away from in threaded rod (17), hand wheel (18) inside is equipped with two spacing groove (23), test pencil shell (28) top is equipped with battery jar (30), test pencil shell (28) inside fixedly connected with driving motor (36), driving motor (36) output end fixedly connected with first rotation pole (37), test pencil shell (28) surface sliding connection has rubber boot (29), rubber boot (29) inside is equipped with pen-holder (42), test pencil shell (28) one end fixedly connected with contact (43) is kept away from in pen-holder (42), contact (43) extend to rubber boot (29) outside, the inside fixedly connected with movable block (32) of test pencil shell (28), the utility model discloses a test pencil, including activity piece (32), stopper (33), limiting spring (34), movable block (32) both ends fixedly connected with stopper (33), two stopper (33) bottom surface difference fixedly connected with third spacing spring (34), movable block (32) bottom fixedly connected with responds to piece (35), be equipped with on rubber sleeve (4) and extend the mechanism, hand wheel (18) inside is equipped with canceling release mechanical system, be equipped with drive mechanism on first rotation pole (37), be equipped with response mechanism on activity piece (32).

2. The special weak current debugging tool according to claim 1, wherein said extension mechanism comprises a second movable rod (19) slidably connected to the rubber sleeve (4), the outer side wall of said second movable rod (19) penetrates through the fixed frame (20) and extends to the inside of the corresponding handle (6), and the outer side wall of said second movable rod (19) is sleeved with a first limiting spring (21).

3. The special weak current debugging tool according to claim 2, wherein the first limiting spring (21) is located in the fixed frame (20), two ends of the first limiting spring (21) are respectively and fixedly connected with the second movable rod (19) and the fixed frame (20), and the surface of the handle (6) is provided with a plurality of through holes.

4. The special weak current debugging tool according to claim 1, wherein the reset mechanism comprises a second telescopic groove (25) fixedly connected to the inner surface of the hand wheel (18), a fourth telescopic rod (24) is slidably connected to the inner portion of the second telescopic groove (25), a trapezoidal baffle (22) is fixedly connected to one end, away from the second telescopic groove (25), of the fourth telescopic rod (24), the trapezoidal baffle (22) extends to the outside of the limiting groove (23), a second limiting spring (26) is sleeved on the surface of the second telescopic groove (25), a threaded rod (17) is fixedly connected to one end, away from the trapezoidal baffle (22), of the fourth telescopic rod (24), and the handle (27) is slidably connected to the outer surface of the hand wheel (18).

5. The special weak current debugging tool according to claim 1, wherein the transmission mechanism comprises a bevel gear (38) fixedly connected to a first rotating rod (37), a second rotating rod (39) is fixedly connected to the upper and lower bevel gears (38) on the surface, one end of the second rotating rod (39) far away from the bevel gear (38) is fixedly connected with a fan blade (40), a fixing rod (41) is rotatably connected to the surface of the second rotating rod (39), and one end of the fixing rod (41) far away from the second rotating rod (39) is fixedly connected with the surface of the rubber cover (29).

6. The special weak current debugging tool according to claim 5, wherein the number of said bevel gears (38) is three, and said three bevel gears (38) are respectively engaged and connected at the upper, middle and lower positions, and the number of said second rotating rod (39), said fan blade (40) and said fixing rod (41) is two, and said two second rotating rods (39), said fan blade (40) and said fixing rod (41) are all symmetrical to said first rotating rod (37).

7. The special weak current debugging tool according to claim 1, wherein the sensing mechanism comprises a battery (31) arranged in a battery jar (30), the positive end of the battery (31) is connected with a sensing block (35) fixed on the inner surface of the test pencil shell (28) through a wire, the negative end of the battery (31) is connected with a driving motor (36) through a wire, the sensing block (35) fixed on the movable block (32) is connected with the driving motor (36) through a wire, and two sensing blocks (35) are connected with a lamp bulb (44) through wires.

8. The special weak current debugging tool according to claim 1, wherein one end of the rubber cover (29) connected with the test pencil shell (28) is fixedly connected with a plurality of second sliding blocks (45), the outer surface of the test pencil shell (28) is provided with a plurality of sliding rails (46), the second sliding blocks (45) slide up and down on the surfaces of the sliding rails (46), and the surface of the test pencil shell (28) is an air-permeable surface.