CN206401001U - A kind of LCD electric circuit inspections pen - Google Patents

Abstract

The utility model discloses a kind of LCD electric circuit inspections pen, including penholder, the front end of the penholder is fixed with rectangle protrusion, it is connected between the rectangle protrusion and penholder, the LCD electric circuit inspections pen sets circuit board in penholder, the LED electrically connected with circuit board is set on penholder, and two stylus are connected by wire on circuit boards, detection of the detection pen to LCD circuits can be achieved, the rectangle protrusion being connected with penholder is fixedly installed in penholder front end, gear is set in rectangle protrusion, and in the push rod that gear both sides are set and gear is mutually twisted, pass through the pushing block promoted and push rod is connected, realize the relative movement between two push rods, so as to realize the relative movement being connected to by connecting rod between the stylus on two push rods, reach the purpose for changing the distance between two stylus, so as to realize detection of two stylus to line conditions between any two leads on LCD circuits, with stronger practicality.

Description

A kind of LCD electric circuit inspections pen

Technical field

The utility model is related to LCD electric circuit inspections field, specially a kind of LCD electric circuit inspections pen.

Background technology

The construction of LCD liquid crystal display screen is between the crystal that liquid is placed among the parallel glass of two panels, two sheet glass By many horizontal or vertical tiny electric wires, shaft-like crystal molecular changes direction is controlled through whether being powered, light is reflected Picture is out produced, thus, it is necessary to LCD liquid crystal display screen progress circuit test, select short circuit before packaging is dispatched from the factory Underproof product, general detection method is all to detect pen to detect circuit by LCD, existing LCD circuits inspection The spacing surveyed between the stylus on pen is all specific, can only detect two adjacent leads, and for non-adjacent or wire jumper Situation can not then be applicable, in consideration of it, it is proposed that a kind of LCD electric circuit inspections pen.

Utility model content

The purpose of this utility model is to provide a kind of LCD electric circuit inspections pen, to solve what is proposed in above-mentioned background technology Problem.

To achieve the above object, the utility model provides following technical scheme：

A kind of LCD electric circuit inspections pen, including penholder, the front end of the penholder are fixed with rectangle protrusion, and the rectangle is convex Go out and be connected between penholder, be provided with the penholder inside LED, and penholder and circuit board is installed, the circuit board and Electrically connected between LED, the circuit board is provided with two runners close to the side that rectangle protrudes, the runner passes through rotating shaft and turned Dynamic to be arranged on the inwall up and down of penholder, the inside of the rectangle protrusion is provided with groove one, and the bosom of groove one is provided with Gear, the gear is fixed on the inwall up and down of groove one by rotating shaft, and the both sides of the gear are equipped with push rod, described to push away One end of bar has been fixedly connected with connecting rod, and the top of the connecting rod is fixed with pushing block, and bottom has been fixedly connected with tactile Pen, one end of the stylus is connected with wire, and the wire is looped around on runner, and is connected with circuit board, and the stylus is equal Slide in groove two, the groove two is located at the leading flank that rectangle protrudes, and groove two is connected with groove one, the square Two through holes are arranged with the top surface of shape protrusion, and pushing block is slided in correspondence through hole.

It is preferred that, the width of the rectangle protrusion is more than the width of penholder.

It is preferred that, the runner is symmetrical arranged along the center line of circuit board, and the wire connection on the runner in left side On the stylus in left side, the wire on the runner on right side is connected on the stylus on right side.

It is preferred that, the push rod is equipped with the sawtooth being mutually engaged with the sawtooth on gear, and push rod close to the side of gear One end away from pushing block is fixed with projection, and diameter of the length less than gear of projection.

It is preferred that, the pushing block is T-shaped, and T-shaped top is located above through hole, and the width of the width more than through hole on T-shaped top Slide in through hole degree, T-shaped bottom.

Compared with prior art, the beneficial effects of the utility model are：The LCD electric circuit inspections pen sets circuit in penholder Plate, sets the LED electrically connected with circuit board on penholder, and connects two stylus by wire on circuit boards, can be achieved Detection of the detection pen to LCD circuits, the rectangle protrusion being connected with penholder is fixedly installed in penholder front end, in rectangle protrusion Gear is set, and in the push rod that gear both sides are set and gear is mutually twisted, by the pushing block promoted and push rod is connected, realizes two Relative movement between individual push rod, so that the relative movement being connected to by connecting rod between the stylus on two push rods is realized, The purpose for changing the distance between two stylus is reached, so as to realize two stylus between any two leads on LCD circuits The detection of line conditions, with stronger practicality.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is the utility model internal view；

Fig. 3 is the side view that the utility model rectangle protrudes.

In figure：1 penholder, 2 rectangles protrusion, 3 LEDs, 4 circuit boards, 5 runners, 6 rotating shafts, 7 grooves one, 8 gears, 9 push rods, 10 connecting rods, 11 pushing blocks, 12 stylus, 13 wires, 14 grooves two, 15 through holes.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：

A kind of LCD electric circuit inspections pen, including penholder 1, the front end of penholder 1 are fixed with rectangle protrusion 2, rectangle protrusion 2 Width is more than the width of penholder 1, is connected between rectangle protrusion 2 and penholder 1, is provided with penholder 1 in LED 3, and penholder 1 Portion is provided with circuit board 4, is electrically connected between circuit board 4 and LED 3, and circuit board 4 is provided with two close to the side that rectangle protrudes 2 Runner 5, center line of the runner 5 along circuit board 4 is symmetrical arranged, and the wire 13 on the runner 5 in left side is connected to left side On stylus 12, the wire 13 on the runner 5 on right side is connected on the stylus 12 on right side, and runner 5 is rotated by rotating shaft 6 and set Put on the inwall up and down of penholder 1, the inside of rectangle protrusion 2 is provided with groove 1, and the bosom of groove 1 is provided with gear 8, tooth Wheel 8 is fixed on the inwall up and down of groove 1 by rotating shaft 6, and the both sides of gear 8 are equipped with push rod 9, and push rod 9 is close to gear 8 Side is equipped with the sawtooth being mutually engaged with the sawtooth on gear 8, and the one end of push rod 9 away from pushing block 11 is fixed with projection, And the length of projection is less than the diameter of gear 8, projection plays spacing effect, and anti-throw-out lever 9 departs from gear 8, the one of push rod 9 End has been fixedly connected with connecting rod 10, and the top of connecting rod 10 is fixed with pushing block 11, and pushing block 11 is T-shaped, and T-shaped top is located at The top of through hole 15, and the width of the width more than through hole 15 on T-shaped top, T-shaped bottom is slided in through hole 15, by pushing away Block 11, drives the movement of push rod 9, so as to be driven by the occlusion between the gear on push rod 9 and gear 8, realizes two push rods 9 Between relative movement, bottom has been fixedly connected with stylus 12, the movement of the mobile drive stylus 12 of push rod 9, so as to realize tactile The change of pen the distance between 12, so as to reach that stylus 12 draws to different distance by changing the distance between two stylus 12 Wireline inspection between line, one end of stylus 12 is connected with wire 13, and wire 13 is looped around on runner 5, and is connected with circuit board 4 Connect, stylus 12 is slided in groove 2 14, groove 2 14 is located at the leading flank that rectangle protrudes 2, and groove 2 14 and groove One 7 are connected, and two through holes 15 are arranged with the top surface of rectangle protrusion 2, and pushing block 11 is slided in correspondence through hole 15.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of LCD electric circuit inspections pen, including penholder（1）, it is characterised in that：The penholder（1）Front end be fixed with rectangle Protrusion（2）, the rectangle protrusion（2）And penholder（1）Between be connected, the penholder（1）On LED is installed（3）, and penholder （1）Inside is provided with circuit board（4）, the circuit board（4）And LED（3）Between electrically connect, the circuit board（4）Close to square Shape is protruded（2）Side provided with two runners（5）, the runner（5）Pass through rotating shaft（6）It is rotatably arranged on penholder（1）It is upper On lower inwall, the rectangle protrusion（2）Inside be provided with groove one（7）, the groove one（7）Bosom is provided with gear（8）, The gear（8）Pass through rotating shaft（6）It is fixed on groove one（7）Inwall up and down on, the gear（8）Both sides be equipped with push rod （9）, the push rod（9）One end be fixedly connected with connecting rod（10）, the connecting rod（10）Top be fixed with and push away Block（11）, bottom has been fixedly connected with stylus（12）, the stylus（12）One end be connected with wire（13）, the wire（13） It is looped around runner（5）On, and and circuit board（4）It is connected, the stylus（12）Slide and be located at groove two（14）It is interior, it is described recessed Groove two（14）Positioned at rectangle protrusion（2）Leading flank, and groove two（14）With groove one（7）It is connected, the rectangle protrusion（2） Top surface on be arranged with two through holes（15）, and pushing block（11）Slide located at correspondence through hole（15）It is interior.

2. a kind of LCD electric circuit inspections pen according to claim 1, it is characterised in that：The rectangle protrusion（2）Width it is big In penholder（1）Width.

3. a kind of LCD electric circuit inspections pen according to claim 1, it is characterised in that：The runner（5）Along circuit board（4） Center line be symmetrical arranged, and positioned at left side runner（5）On wire（13）It is connected to the stylus in left side（12）On, positioned at the right side The runner of side（5）On wire（13）It is connected to the stylus on right side（12）On.

4. a kind of LCD electric circuit inspections pen according to claim 1, it is characterised in that：The push rod（9）Close to gear（8） Side be equipped with and gear（8）On the sawtooth that is mutually engaged of sawtooth, and push rod（9）Away from pushing block（11）One end fixation set There is projection, and the length of projection is less than gear（8）Diameter.

5. a kind of LCD electric circuit inspections pen according to claim 1, it is characterised in that：The pushing block（11）It is T-shaped, T-shaped top End is located at through hole（15）Top, and the width on T-shaped top is more than through hole（15）Width, T-shaped bottom slide be located at through hole（15） It is interior.