CN211554277U

CN211554277U - Safety on-off pen

Info

Publication number: CN211554277U
Application number: CN201921631496.7U
Authority: CN
Inventors: 谢晶波; 施伟忠
Original assignee: Hangzhou Tonny Electric & Tools Co ltd
Current assignee: Hangzhou Tonny Electric & Tools Co ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-09-22
Anticipated expiration: 2029-09-28

Abstract

A safe on-off pen is used for detecting the on-off of a circuit and comprises a first body, wherein the first body is provided with a first contact end; the second body is provided with a second contact end; the power line is electrically connected with the first contact end and the second contact end through a PCB respectively; the connecting assembly comprises a tenon joint and a mortise joint; wherein the power cord is positioned between the first body and the exterior of the second body; the tenon joint piece and the mortise joint piece are respectively positioned on the first body and the second body and are mutually matched; the utility model discloses a mortise-tenon joint structure is in the same place first body and this body coupling of second, and quick separation and connection can be realized to first body and second body simultaneously, and the structure between first body and the second body is compacter in addition, convenient storage.

Description

Safety on-off pen

[ technical field ] A method for producing a semiconductor device

The utility model relates to a circuit break-make detects instrument field, in particular to safe break-make pen.

[ background of the invention ]

At present, the tool commonly used in the maintenance of the on-off fault of the electric equipment is a universal meter or a special detector, and the universal meter is more in use, so that the universal meter is more convenient to use, and meanwhile, the accurate judgment of the on-off fault of the electric equipment is welcomed. When the universal meter is used for detecting the on-off fault of the electric equipment, the purpose of detecting the on-off of the circuit can be achieved by observing the numerical value displayed on the universal meter through the two meter pens contacting with the two ends of the circuit to be detected.

According to the safety break-make pen disclosed by the special document of the Chinese utility model with the publication number of CN202956463U, the safety break-make pen comprises a first body and a second body, the head parts of the first body and the second body are respectively provided with a contact pin, the tail parts of the first body and the second body are connected through a power cord, a PCB (printed circuit board) and a button battery are arranged in the first body, a LED display lamp is arranged on the PCB, a transparent window is arranged outside the LED display lamp, a long spring is arranged in the second body, the tail part of the second body is provided with a tail plug, and the long spring is fixed in the second body through the tail plug.

According to the utility model discloses a china utility model document with publication number CN204008935U discloses a circuit on-off detection pen, this detection pen includes first conductive probe, the second conductive probe, a power supply, control switch, emitting diode and current-limiting resistor, the negative pole of this power is connected to this second conductive probe through the extension wire, the positive pole of this power is connected to control switch's one end through the wire, this control switch's the other end is established ties in proper order and is done current-limiting resistor and forward conduction emitting diode electricity and connect this first conductive probe, in operation, connect first conductive probe and second conductive probe respectively in the both ends of waiting to detect the circuit and switch on power switch, circuit on-off monitoring pen with wait to detect the constitution return circuit, emitting diode shows that to detect the circuit normal.

The on-off pen and the circuit of measuring form the return circuit, observe the circumstances on the handwriting and judge the break-make of circuit, and wherein the on-off pen includes two handwriting, and its storage mode generally for adopting the power cord winding on two handwriting, is in the same place two handwriting links, leads to the problem that the power cord winding was knoed easily, and the condition of separation appears easily in the handwriting simultaneously, consequently designs a convenient quickly separating and connects and can not appear the break-make pen that the power cord winding was knoed again very necessary.

[ Utility model ] content

The technical problem of the separation of handwriting appears easily to the mode that two handwriting of break-make pen accomodate through the winding of power cord among the above-mentioned prior art, the utility model aims at through designing a safe break-make pen with coupling assembling, separation and connection can be realized fast to safe break-make pen.

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

a safe on-off pen is used for detecting on-off of a circuit and is characterized by comprising a first body, wherein the first body is provided with a first contact end; the second body is provided with a second contact end; the power line is connected with the first contact end and the second contact end through the PCB respectively; the connecting assembly comprises a tenon joint and a mortise joint; wherein the power line is positioned on the first body and the second body and matched with each other; through setting up coupling assembling, can peg graft first body and second body each other, convenient storage adopts the connected mode of mortise-tenon joint to make the connection and the separation of first body and second body convenient simultaneously, promotes work efficiency, facilitates the use.

Specifically, the mortise joint part is a part of the first body, and the mortise joint part is a part of the second body; the mortise and tenon joint piece is respectively arranged on the first body and the second body, so that the structure is more compact.

Specifically, the tenon joint part is a bulge; the mortise joint piece is a dovetail groove; the bulge and the dovetail groove are respectively arranged on the first body and the second body and are matched with each other; the two pen bodies are connected in a mode that the dovetail groove and the protrusion are installed in a matched mode, so that the protrusion is prevented from being separated from the side face of the dovetail groove, the protrusion can only slide along the bottom face of the dovetail groove, and the connection is tighter and firmer.

Further, the protective sleeve is further included; wherein a protective sleeve is positioned in one of the first body and the second body; the protective sleeve is arranged to protect the contact pin and prolong the service life of the on-off pen.

Further, the protective sleeve is positioned at the tail parts of the first body and the second body; when the first body and the second body are contained and connected, the first contact end and the second contact end are oppositely arranged; through setting up the protective sheath at first body and second body afterbody, accomodate the convenience, simultaneously, the power cord can twine on two body surfaces, prevents that the lapped condition from appearing in the power cord.

Specifically, the PCB is arranged in the first body, and an on-off indicator is arranged on the PCB; the on-off indicator lamp is used for better judging the on-off of the circuit.

Preferably, the on-off indicator is an LED display lamp; the LED display lamp is arranged to more clearly indicate the on-off condition of the circuit, so that the circuit is more visual.

Preferably, the on-off indicator is an audio generator; the audio generator is used for more clearly indicating the on-off condition of the circuit and improving the working efficiency of workers.

[ description of the drawings ]

FIG. 1 is a schematic overall view of a safety on-off pen according to embodiment 1;

FIG. 2 is a schematic view of a first body in embodiment 1;

FIG. 3 is a schematic view of a second body in embodiment 1;

fig. 4 is a schematic view showing the assembly of the first body and the second body in embodiment 1;

FIG. 5 is an overall view of the safety on-off pen according to embodiment 2;

FIG. 6 is an overall view of the first body in embodiment 2;

FIG. 7 is an overall view of a second body in embodiment 2;

FIG. 8 is a partial schematic view at A in FIG. 5 of embodiment 2;

FIG. 9 is an overall view of a safety on-off pen according to embodiment 3;

FIG. 10 is a schematic view of the connection assembly of FIG. 9 at B in embodiment 3;

wherein, 1, a first body; 11. an upper housing; 111. a groove; 12. a lower housing; 13. a rear housing; 2. a second body; 3. a stylus; 4. a power line; 5. an on-off indicator; 6. a contact pin mounting groove; 7. a protective sleeve; 8. a connecting assembly; 81. a tenon joint part; 82. riveting pieces; 821. the power cord is provided with a tube.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example 1

As shown in fig. 1-4, the safety on-off pen comprises a first body 1 and a second body 2, wherein the first body 1 is connected with the second body 2 through a mortise-tenon joint structure; the first body 1 is provided with a contact pin 3 to form a first contact end, the second body 2 is also provided with the contact pin 3 to form a second contact end, the first contact end and the second contact end are connected through a power line 4 arranged outside the first body 1 and the second body 2, and meanwhile, the power line 4 is connected with a PCB (printed Circuit Board), so that an on-off pen capable of detecting the on-off condition of a circuit is formed; the on-off condition of the circuit is detected by adopting a mode of two pen bodies, so that the efficiency is higher.

As shown in fig. 2, in the present embodiment, the first body 1 includes an upper housing 11 and a lower housing 12, the upper housing 11 and the lower housing 12 form an inner cavity, the housing forming the inner cavity is a joggle 81 in the present embodiment, a PCB board is installed in the inner cavity, one end of the PCB board is connected to the contact pin 3, and the other end of the PCB board is connected to the power line 4; the PCB is provided with the on-off indicator 5, and the on-off indicator 5 can be used for more visually representing the on-off condition of a circuit and improving the working efficiency; the on-off indicator 5 can generally adopt an LED indicating lamp or an audio generator, and the LED indicating lamp is adopted in the embodiment, so that the on-off of the circuit can be judged more visually conveniently, and the working efficiency is improved. The upper shell 11 is provided with a groove 111 which is sunken towards the direction of the lower shell 12, and the groove 111 is used for facilitating the connection between the second body 2 and the first body 1 and the installation; the surface of the lower shell 12 is provided with an LED indicator lamp mounting hole for mounting an LED indicator lamp, so that the on-off condition of a circuit can be conveniently displayed, and the judgment accuracy of a worker is improved; the first body 1 further includes a rear housing 13, the rear housing 13 and the lower housing 12 form a contact pin mounting groove 6, and the contact pin 3 on the second body 2 is inserted into the contact pin mounting groove 6 to protect the contact pin 3.

As shown in fig. 3, the second body 2 includes a mortise element 82, the mortise element 82 is an elastic tubular structure, and is installed in cooperation with the mortise element 81, the elastic tubular structure is provided with an opening, and the width of the opening is smaller than the diameter of the elastic tubular structure, so that the second body 2 and the first body 1 can be connected without being separated under the action of external force. Because the first body 1 is provided with the LED indicator lamp in a protruding way, the opening is also used for facilitating the connection of the second body 2 and the first body, in addition, the inner wall of the elastic tubular structure is also provided with a power supply wire mounting tube 821, and the power supply wire mounting tube 821 is used for mounting the power supply wire 4; due to the groove 111 provided on the upper case 11 of the first body 1, when the first body 1 and the second body 2 are coupled, the power line mounting pipe 821 can be mounted in the groove 111, ensuring stability of coupling and compactness of structure.

As shown in fig. 1, two ends of a power line 4 are respectively connected to the inside of a first body 1 and a second body 2 to form a passage for detecting the on/off of a circuit, the power line 4 is set to be of a spiral structure to prevent the power line 4 from knotting, meanwhile, the power line 4 of the spiral structure has elasticity, the length of the circuit which can be detected by an on/off pen can be enlarged by extending the power line 4, in the process of actually detecting the on/off condition of the circuit, different positions need to be detected because the approximate position of the circuit which is disconnected cannot be determined at the first time, when the detection range of the on/off pen is larger each time, the position of the circuit which is disconnected can be found more quickly, and the.

As shown in fig. 4, when the on-off pen is required to detect the on-off of the circuit, a worker can separate the first body 1 and the second body 2, stretch the power cord 4, contact the contact pins 3 on the first body 1 and the second body 2 with the conducting wires in the circuit respectively, and detect the on-off condition of the circuit; after the on-off pen is used, the contact pin 3 of the second body 2 is inserted into the contact pin mounting groove 6, and the mortise joint part 82 is of an elastic tubular structure with an opening and is connected with the mortise joint part 81, so that the contact pin 3 is pushed to the contact pin mounting groove 6, and the first body 1 and the second body 2 are connected together.

Example 2

As shown in fig. 5-8, in this embodiment, the two bodies each include a head portion and a tail portion, wherein the head portion is provided with the contact pin 3, the tail portion is provided with the protective sleeve 7, the contact pin 3 of the head portion of the first body 1 is inserted into the protective sleeve 7 on the second body 2, the contact pin 3 on the second body 2 is inserted into the protective sleeve 7 on the first body 1, and the first body 1 and the second body 2 are connected by inserting each other; the first body 1 and the second body 2 are mutually inserted, and the two bodies are more tightly connected through a connecting component 8, so that the first body 1 and the second body 2 are prevented from being separated; as shown in fig. 8, the connecting assembly 8 includes a tenon 81 disposed on the first body 1 and a mortise 82 disposed on the second body 2, in this embodiment, the tenon 81 is a protrusion, and the mortise 82 is a dovetail groove, and the first body 1 and the second body 2 are connected together by the cooperation of the dovetail groove and the protrusion; after the first body 1 and the second body 2 are connected, the power line 4 is wound on the surface of the on-off pen, the knotting of the power line 4 is prevented, and the use is facilitated.

As shown in fig. 6, the first body 1 includes an upper shell 11 and a lower shell 12, the upper shell 11 and the lower shell 12 form an inner cavity for placing a PCB board and a button cell, and the PCB board is provided with an LED indicator light; the first body 1 is provided with two LED indicating lamp mounting holes, and the LED indicating lamps are partially arranged outside the LED indicating lamp mounting holes, so that the light is more obvious, the on-off condition of the LED light feedback circuit is more visual, and the working efficiency of users is further improved; the inner cavity of the first body 1 is connected with a power cord 4, the power cord 4 is connected to a PCB, and the other end of the PCB is connected with the contact pin 3 to form a communicated circuit.

As shown in fig. 7, the second body 2 includes an upper housing 11 and a lower housing 12, the upper housing 11 and the lower housing 12 form an inner cavity, one end of which is provided with a contact pin 3, and the other end of which is provided with a power cord 4 connected with the contact pin 3; in this embodiment, the first body 1 and the second body 2 have the same length, so that the two bodies can be conveniently inserted into each other, and the appearance is more attractive.

Example 3

As shown in fig. 9-10, the first body 1 and the second body 2 are connected by a connecting assembly 8 to form a structure capable of being quickly separated and connected, thereby facilitating use; in this embodiment, two protective sheaths 7 are connected together, the heads of the first body 1 and the second body 2 are inserted into the protective sheaths 7, the protective sheaths 7 are arranged to protect the contact pins 3, and the two pen bodies are inserted into the corresponding protective sheaths 7, so as to connect the first body 1 and the second body 2.

As shown in fig. 9, the first body 1 and the second body 2 are inserted into the protective sheath 7, the connection between the first body 1 and the second body 2 is more tight through the connection of a connection assembly 8, the connection assembly 8 includes a tenon 81 and a mortise 82, wherein the tenon 81 is disposed on the first body 1 and has a convex structure; the mortise joint part 82 is arranged on the second body 2 and has a dovetail groove structure; the dovetail groove has the advantages that the radial separation of the two pen bodies along the pen bodies after the two pen bodies are connected can be prevented, and the connection is more stable. The protective sleeve 7, the tenon joint part 81 and the mortise joint part 82 on the first body 1 and the second body 2 are arranged on the same straight line, so that the two bodies are convenient to connect; after two bodies are connected together, with power cord 4 winding on the on-off pen, owing to be equipped with coupling assembling 8 between first body 1 and the second body 2, consequently will not cause first body 1 and the bending of second body 2 with power cord 4 winding on two bodies.

The rest of the structure in this embodiment is the same as that in embodiment 2, and details are not repeated herein.

Example 4

In this embodiment, the first body 1 and the second body 2 are connected through the connection assembly 8, wherein the mortise joint part 82 is arranged on the first body 1 and has a dovetail groove structure, and the mortise joint part 81 is arranged on the second body 2 and has a protrusion structure; a tenon-and-mortise joint structure is formed by the protrusions and the limiting groove to connect the first body 1 and the second body 2, so that a simple structure for quick separation and connection is formed, and the use is convenient.

The rest of the structure in this embodiment is the same as that in embodiment 3, and details are not repeated herein.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A safety on-off pen for detecting on-off of circuit is characterized by comprising

The first body is provided with a first contact end;

the second body is provided with a second contact end;

the power line is electrically connected with the first contact end and the second contact end through a PCB respectively;

the connecting assembly comprises a tenon joint and a mortise joint;

wherein the power cord is positioned between the first body and the exterior of the second body; the tenon joint piece and the mortise joint piece are respectively positioned on the first body and the second body and are mutually matched.

2. The safety on-off pen of claim 1, wherein the mortise joint is part of the first body and the mortise joint is part of the second body.

3. The safety on-off pen of claim 1, wherein the tenon is a protrusion; the mortise joint piece is a dovetail groove; the bulge and the dovetail groove are respectively arranged on the first body and the second body and are mutually matched.

4. The safety on-off pen of claim 2, further comprising a protective sleeve; wherein a protective sleeve is positioned in one of the first body or the second body.

5. The safety on-off pen according to claim 3, further comprising a protective sheath positioned at the tail of the first and second bodies; when the first body is contained and connected with the second body, the first contact end and the second contact end are oppositely arranged.

6. The safety on-off pen according to any one of claims 1-5, wherein the PCB board is disposed in the first body; and the PCB is provided with an on-off indicator.

7. The safety on-off pen of claim 6, wherein the on-off indicator is an LED display light.

8. The secure on-off pen of claim 6, wherein the on-off indicator is an audio generator.