CN211453912U - Hand-held type low voltage line electric leakage seeking device - Google Patents

Abstract

The utility model discloses a device is seeked to hand-held type low pressure circuit electric leakage, including plastic casing and metal probe rod, fixed mounting has the display screen on the plastic casing, spout and first mounting groove have been seted up on the plastic casing, metal probe rod fixed mounting is in first mounting groove, sliding connection has the annular slider in the spout, the one end lateral wall fixed mounting of annular slider has the lag pipe, the lag pipe extend to the plastic casing outside and rather than sliding connection, a plurality of elasticity ropes of fixedly connected with between the other end of annular slider and the inside wall of spout, the second mounting groove has been seted up to the lateral wall of annular slider, be equipped with chucking mechanism in the second mounting groove, the third mounting groove has been seted up to the inside wall of spout. The utility model has the advantages of reasonable design, it can carry out good protection to the metal probe rod, and its protector can connect on plastic casing steadily, guarantees the normal use of device.

Description

Hand-held type low voltage line electric leakage seeking device

Technical Field

The utility model relates to a power equipment technical field especially relates to a device is seeked in electric leakage of hand-held type low voltage circuit.

Background

After long-time use, its circuit of family's circuit can receive the oxidation corrosion, then the condition emergence of electric leakage can appear, when the circuit of people carelessly contacting the electric leakage, can take place the electric shock accident, causes the threat to people's life safety, consequently need regularly use electric leakage to look for the device and carry out the electric leakage investigation to the circuit, guarantees normal power consumption.

In the prior art, a common household uses a test pencil to check the line leakage, a metal probe rod of the existing test pencil is exposed outside and is not protected, after the test pencil is used for a long time, an anti-oxidation coating on the surface of the test pencil is abraded, and repentance, oxidation and rusting are performed after the test pencil is contacted with air for a long time, so that the normal use of the test pencil is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving prior art test pencil metal probe can expose outside, does not protect it, after long-time use, can rub its surperficial anti-oxidation cladding material away, repect the oxidation rust with air contact for a long time, influence its problem of normal use, and the hand-held type low pressure circuit electric leakage searching device who proposes, it can carry out good protection to the metal probe, and its protector can connect on plastic casing steadily, guarantees the normal use of device.

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

a handheld low-voltage line leakage finding device comprises a plastic shell and a metal probe rod, wherein a display screen is fixedly mounted on the plastic shell, a sliding groove and a first mounting groove are formed in the plastic shell, the metal probe rod is fixedly mounted in the first mounting groove, an annular sliding block is connected in the sliding groove in a sliding mode, a protective sleeve is fixedly mounted on the side wall of one end of the annular sliding block, the protective sleeve extends out of the plastic shell and is connected with the plastic shell in a sliding mode, a plurality of elastic ropes are fixedly connected between the other end of the annular sliding block and the inner side wall of the sliding groove, a second mounting groove is formed in the side wall of the annular sliding block, a clamping mechanism is arranged in the second mounting groove, a third mounting groove is formed in the inner side wall of the sliding groove, a sliding mechanism is arranged in the third mounting groove, the clamping mechanism extends into the third, the annular slider is fixedly connected with a pull rod, the plastic shell is provided with a communicating groove communicated with the sliding groove, the pull rod extends into the communicating groove and is connected with the communicating groove in a sliding mode, the annular slider is provided with a clamping groove, the inner side wall of the sliding groove is provided with a fourth mounting groove, and a blocking mechanism matched with the clamping groove in size is arranged in the fourth mounting groove.

Preferably, the clamping mechanism comprises a clamping block which is slidably connected in the second mounting groove, the clamping block extends into the third mounting groove and is abutted against the bottom of the sliding mechanism, and a first spring is fixedly connected between the bottom of the clamping block and the inner bottom of the second mounting groove.

Preferably, slide mechanism includes the dog of sliding connection in the third mounting groove, the bottom of dog offsets tightly with the top of fixture block, fixedly connected with second spring between the top of dog and the interior top of third mounting groove, the top fixedly connected with push rod of dog, the push rod runs through plastic casing and extends to its outside.

Preferably, stop mechanism includes the trapezoidal fixture block of sliding connection in the fourth mounting groove, fixedly connected with third spring between the bottom of trapezoidal fixture block and the interior bottom of fourth mounting groove, the bottom fixedly connected with L shape pole of trapezoidal fixture block, L shape pole runs through plastic casing and extends to its outside.

Preferably, the display screen is a liquid crystal display screen.

Preferably, the third spring is an elastic spring.

Compared with the prior art, the utility model, its beneficial effect does:

1. through the establishment of chucking mechanism and slide mechanism, pulling L shape pole makes the protective sleeve follow the spout roll-off, and the protective sleeve lives metal probe rod parcel, because the elasticity of first spring is greater than the elasticity of second spring, the fixture block drives the dog and slides in the third mounting groove under the effect of first spring elasticity, makes the protective sleeve be in stable state, and then has realized the protection to metal probe rod.

2. Through the establishment of stop gear, when needs use the device, press the push rod, make the dog drive the fixture block and slide in the second mounting groove, the fixture block breaks away from the restriction of third mounting groove, in the protective sleeve slided into the spout under the effect of elasticity rope elasticity, under the effect of third spring elasticity, trapezoidal fixture block slided into in the draw-in groove and rather than interior top counterbalance tightly, made protective sleeve be in stable state, prevented that protective sleeve from sliding the normal clear that hinders work at the in-process that uses.

To sum up, the utility model has the advantages of reasonable design, it can carry out good protection to the metal probe rod, and its protector can connect on plastic casing steadily, guarantees the normal use of device.

Drawings

Fig. 1 is a schematic structural diagram of a handheld low-voltage line leakage finding device provided by the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged view of the structure at B in fig. 1.

In the figure: 1 plastic casing, 2 display screens, 3 spout, 4 elasticity ropes, 5 first mounting grooves, 6 metal probe rods, 7 annular slider, 8 draw-in grooves, 9 pull rods, 10 intercommunication grooves, 11 protection casing, 12 second mounting grooves, 13 fixture blocks, 14 first springs, 15 third mounting grooves, 16 fixture blocks, 17 second springs, 18 push rods, 19L shape pole, 20 fourth mounting grooves, 21 trapezoidal fixture blocks, 22 third springs.

Detailed Description

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

Referring to fig. 1-3, a handheld low-voltage line leakage finding device comprises a plastic casing 1 and a metal probe rod 6, wherein a display screen 2 is fixedly installed on the plastic casing 1, the display screen 2 is a liquid crystal display, a chute 3 and a first installation groove 5 are formed in the plastic casing 1, the metal probe rod 6 is fixedly installed in the first installation groove 5, an annular slider 7 is slidably connected in the chute 3, a protective sleeve 11 is fixedly installed on one side wall of the annular slider 7, the protective sleeve 11 extends out of the plastic casing 1 and is slidably connected with the plastic casing 1, a plurality of elastic ropes 4 are fixedly connected between the other end of the annular slider 7 and the inner side wall of the chute 3, a second installation groove 12 is formed in the side wall of the annular slider 7, a clamping mechanism is arranged in the second installation groove 12, the clamping mechanism comprises a clamping block 13 slidably connected in the second installation groove 12, the clamping block 13 extends into a third installation groove 15 and is abutted against, a first spring 14 is fixedly connected between the bottom of the clamping block 13 and the inner bottom of the second mounting groove 12;

the inner side wall of the sliding groove 3 is provided with a third mounting groove 15, a sliding mechanism is arranged in the third mounting groove 15, the clamping mechanism extends into the third mounting groove 15 and is abutted against the top of the sliding mechanism, the sliding mechanism comprises a stop block 16 which is slidably connected in the third mounting groove 15, the bottom of the stop block 16 is abutted against the top of the clamping block 13, a second spring 17 is fixedly connected between the top of the stop block 16 and the inner top of the third mounting groove 15, the top of the stop block 16 is fixedly connected with a push rod 18, the push rod 18 penetrates through the plastic shell 1 and extends to the outside of the plastic shell, through the arrangement of the clamping mechanism and the sliding mechanism, the L-shaped rod 19 is pulled to enable the protective sleeve 11 to slide out of the sliding groove 3, the protective sleeve 11 wraps the metal probe rod 6, and because the elastic force of the first spring 14 is larger than the elastic force of the second spring 17, the clamping block 13 drives the stop block, the protection sleeve 11 is in a stable state, so that the metal probe rod 6 is protected;

the annular slider 7 is fixedly connected with a pull rod 9, the plastic shell 1 is provided with a communicating groove 10 mutually communicated with the sliding groove 3, the pull rod 9 extends into the communicating groove 10 and is in sliding connection with the communicating groove, the annular slider 7 is provided with a clamping groove 8, the inner side wall of the sliding groove 3 is provided with a fourth mounting groove 20, a blocking mechanism matched with the clamping groove 8 in size is arranged in the fourth mounting groove 20, the blocking mechanism comprises a trapezoidal clamping block 21 slidably connected in the fourth mounting groove 20, a third spring 22 is fixedly connected between the bottom of the trapezoidal clamping block 21 and the inner bottom of the fourth mounting groove 20, the third spring 22 is an elastic spring, the bottom of the trapezoidal clamping block 21 is fixedly connected with an L-shaped rod 19, the L-shaped rod 19 penetrates through the plastic shell 1 and extends to the outside of the plastic shell, through the establishment of the blocking mechanism, when the device is required to be used, the push rod 18 is pressed, so that the block, the clamping block 13 is separated from the limitation of the third mounting groove 15, the protective sleeve 11 slides into the sliding groove 3 under the action of the elastic force of the elastic rope 4, and the trapezoid clamping block 21 slides into the clamping groove 8 and abuts against the inner top of the clamping groove under the action of the elastic force of the third spring 22, so that the protective sleeve 11 is in a stable state, and the protective sleeve 11 is prevented from sliding to hinder the normal operation in the using process.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

in the utility model, when the device is needed to be used for electric leakage searching operation, firstly, an operator presses the push rod 18 to make the stopper 16 drive the fixture block 13 to slide into the second mounting groove 12, the fixture block 13 is separated from the limitation of the third mounting groove 15, the protection sleeve 11 slides into the chute 3 under the action of the elastic force of the elastic rope 4, the trapezoid fixture block 21 slides into the clamping groove 8 and is propped against the top part in the clamping groove under the action of the elastic force of the third spring 22, so that the protection sleeve 11 is in a stable state to perform electric leakage searching operation;

after the electric leakage searching operation is finished, pulling L-shaped rod 19, make trapezoidal fixture block 21 slide into fourth mounting groove 20, trapezoidal fixture block 21 breaks away from the restriction to draw-in groove 8, pulling pull rod 9, make protection sleeve 11 follow spout 3 roll-off, protection sleeve 11 wraps up metal feeler lever 6, because the elasticity of first spring 14 is greater than the elasticity of second spring 17, fixture block 13 drives dog 16 under the effect of the elasticity of first spring 14 and slides into third mounting groove 15, make protection sleeve 11 be in stable state, and then realized the protection to metal feeler lever 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A handheld low-voltage line electric leakage searching device comprises a plastic shell (1) and a metal feeler lever (6), and is characterized in that a display screen (2) is fixedly mounted on the plastic shell (1), a sliding groove (3) and a first mounting groove (5) are formed in the plastic shell (1), the metal feeler lever (6) is fixedly mounted in the first mounting groove (5), an annular sliding block (7) is connected in the sliding groove (3) in a sliding manner, a protecting sleeve (11) is fixedly mounted on the side wall of one end of the annular sliding block (7), the protecting sleeve (11) extends out of the plastic shell (1) and is connected with the plastic shell in a sliding manner, a plurality of elastic ropes (4) are fixedly connected between the other end of the annular sliding block (7) and the inner side wall of the sliding groove (3), a second mounting groove (12) is formed in the side wall of the annular sliding block (7), and a clamping mechanism is arranged in the second mounting, third mounting groove (15) have been seted up to the inside wall of spout (3), be equipped with slide mechanism in third mounting groove (15), chucking mechanism extends to in third mounting groove (15) and offsets tightly with slide mechanism's top, fixedly connected with pull rod (9) on annular slider (7), set up intercommunication groove (10) with spout (3) intercommunication each other on plastic casing (1), pull rod (9) extend to in intercommunication groove (10) and rather than sliding connection, draw-in groove (8) have been seted up on annular slider (7), fourth mounting groove (20) have been seted up to the inside wall of spout (3), be equipped with in fourth mounting groove (20) and block the mechanism with draw-in groove (8) size matched with.

2. The handheld low-voltage line leakage finding device according to claim 1, wherein the clamping mechanism comprises a clamping block (13) slidably connected in the second mounting groove (12), the clamping block (13) extends into the third mounting groove (15) and abuts against the bottom of the sliding mechanism, and a first spring (14) is fixedly connected between the bottom of the clamping block (13) and the inner bottom of the second mounting groove (12).

3. The handheld low-voltage line leakage finding device according to claim 2, wherein the sliding mechanism comprises a stopper (16) slidably connected in the third mounting groove (15), the bottom of the stopper (16) abuts against the top of the fixture block (13), a second spring (17) is fixedly connected between the top of the stopper (16) and the inner top of the third mounting groove (15), a push rod (18) is fixedly connected to the top of the stopper (16), and the push rod (18) penetrates through the plastic housing (1) and extends to the outside of the plastic housing.

4. The handheld low-voltage line leakage finding device according to claim 3, wherein the blocking mechanism comprises a trapezoid clamping block (21) slidably connected in the fourth installation groove (20), a third spring (22) is fixedly connected between the bottom of the trapezoid clamping block (21) and the inner bottom of the fourth installation groove (20), an L-shaped rod (19) is fixedly connected to the bottom of the trapezoid clamping block (21), and the L-shaped rod (19) penetrates through the plastic shell (1) and extends to the outside of the plastic shell.

5. A handheld low-voltage line leakage finding device according to claim 1, characterized in that the display (2) is a liquid crystal display.

6. A hand-held low-voltage line leakage finding device according to claim 4, characterised in that said third spring (22) is a spring force spring.

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