CN211505647U

CN211505647U - SPD detection pen

Info

Publication number: CN211505647U
Application number: CN201922482376.1U
Authority: CN
Inventors: 高美莲; 吴发云; 徐丽青; 李永鹤; 王昌贤; 刘磊; 汪祖赟; 谢德明; 石天刚; 魏起
Original assignee: Qinghai New Energy Group Co ltd; Qinghai New Energy Group Lightning Defense Co ltd
Current assignee: Qinghai New Energy Group Co ltd; Qinghai New Energy Group Lightning Defense Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-15
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a SPD detects pen, including box body and two wires, the left part and the right part of the last lateral wall of box body inner chamber have all set firmly the conducting strip, the left part and the right part of box body inner chamber all are equipped with the screw rod, the screw thread of two screw rods is opposite soon, the mutual fixed connection of medial extremity of two screw rods, but the outside end difference rotatable coupling of two screw rods is on the curb plate about the box body, the outside end of one of them screw rod has set firmly the knob after wearing out the box body, all be equipped with the movable block on two screw rods, be equipped with the screw on two movable blocks, two screws spiral shell closes respectively on two screw rods, the upside of two movable blocks has all set firmly electrically conductive, the downside of two movable blocks has all set firmly the pen needle, the lower. Due to the adoption of the technical scheme, the utility model is operated without two hands, and is more convenient to use; the surge protector of different models can be detected, and the application range is wide.

Description

SPD detection pen

Technical Field

The utility model belongs to the technical field of the lightning protection detects, specifically a SPD detects pen.

Background

In the SPD detection process, the SPD detector and two pen needles connected with the SPD detector through wires are required to be used, the two pen needles are separately arranged, two pens need to be held by two hands respectively to be contacted and detected aiming at two contact terminals of the surge protector when detection is carried out, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

To the technical problem that above-mentioned prior art exists, the utility model provides a SPD detects pen.

The utility model aims at realizing the technical proposal, which comprises a box body and two leads, wherein the left part and the right part of the upper side wall of the inner cavity of the box body are both fixedly provided with conducting strips which are arranged along the left and right directions, the left part and the right part of the inner cavity of the box body are both provided with screw rods, the two screw rods are arranged along the left and right directions with the same axial lead, the screw thread turning directions of the two screw rods are opposite, the inner side ends of the two screw rods are mutually and fixedly connected, the outer side ends of the two screw rods are respectively and rotatably connected on the left and right side plates of the box body, the outer side end of one screw rod penetrates out of the box body and is fixedly provided with a knob, the two screw rods are both provided with moving blocks, the two moving blocks are provided with screw holes which are respectively screwed on the two screw rods, the upper sides of the two moving blocks are both, the lower side of the two moving blocks is fixedly provided with pen needles, the lower side wall of the box body is provided with guide grooves, the two pen needles penetrate the guide grooves downwards, the width of each guide groove is matched with the diameter of each pen needle, the first ends of the two wires are fixed on the two conductive sheets respectively, and the second ends of the two wires are fixedly provided with plugs after penetrating out of the box body.

Further, a handle is fixedly arranged in the middle of the upper side face of the box body.

Further, through holes are formed in the left side wall and the right side wall of the box body, annular grooves are formed in the outer ends of the two screw rods, the through holes are located in the two annular grooves respectively, and the diameter of each through hole is matched with the diameter of a cylinder formed by surrounding of the bottom walls of the grooves.

Further, electrically conductive piece includes elastic block, contact piece and conductive filament, the downside of elastic block is fixed on the movable block, the downside of contact piece is fixed at the side of going up of elastic block, the side of going up of contact piece is contradicted on the conductive piece, be equipped with the pore in the elastic block, the conductive filament is located in the pore, the upper end of conductive filament is fixed on the contact piece, the lower extreme of conductive filament is fixed on the movable block.

Furthermore, the surface of the handle is provided with anti-skid stripes.

Since the technical scheme is used, the beneficial effects of the utility model are that:

1. the two pen needles are arranged on the box body, so that the surge protector can be detected only by holding the box body with one hand during detection, operation with two hands is not needed, and the use is more convenient; two screws are rotated simultaneously through the rotary knob, and when the two screws rotate, the two movable blocks move in the opposite directions or in the opposite directions, so that the distance between the two pen needles can be adjusted, the surge protectors of different models can be detected, and the application range is wide.

2. The middle part of the upper side surface of the box body is fixedly provided with a handle. Just can grip the box body through gripping the handle, conveniently take and hold the utility model provides a pair of SPD detects pen.

3. All be equipped with the through-hole on the lateral wall about the box body, the outer end of two screw rods all is equipped with the annular groove, and two through-holes are located two annular grooves respectively, the cylindrical diameter looks adaptation that the diameter of through-hole and the diapire of recess enclose. So that the outer ends of the two screws can be respectively and rotatably connected with the left side plate and the right side plate of the box body.

4. The electrically conductive piece includes elastic block, contact piece and conductive silk, and the downside of elastic block is fixed on the movable block, and the downside of contact piece is fixed at the side of going up of elastic block, and the side of going up of contact piece is contradicted on the conductive piece, is equipped with the pore in the elastic block, and the conductive silk is located the pore, and the upper end of conductive silk is fixed on the contact piece, and the lower extreme of conductive silk is fixed on the movable block. The elastic block has elasticity, can make contact piece and conducting strip contact more closely, makes the conducting capacity between contact piece and the conducting strip better.

5. The surface of the handle is provided with anti-skid stripes. The anti-slip stripes have an anti-slip effect, so that the hands and the handle are not easy to slip.

Drawings

FIG. 1 is a front view of an SPD test pen of the present invention;

FIG. 2 is a top view of an SPD test pen of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is an enlarged view of a in fig. 3.

In the figure, 1, a box body; 2. a wire; 3. a conductive sheet; 4. a screw; 5. a knob; 6. a moving block; 7. a pen needle; 8. a guide groove; 9. a plug; 10. a handle; 11. a through hole; 12. an annular groove; 13. a cylinder; 14. an elastic block; 15. a contact piece; 16. a conductive filament; 17. a duct; 18. and (4) anti-skid stripes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

As shown in figure 1, figure 2 and figure 3, the utility model comprises a box body 1 and two wires 2, the box body 1 is non-conductive, the left part and the right part of the upper side wall of the inner cavity of the box body 1 are both fixedly provided with conducting strips 3, the conducting strips 3 are conductive metal sheets, the conducting strips 3 are arranged along the left and right directions, the left part and the right part of the inner cavity of the box body 1 are both provided with screw rods 4, the two screw rods 4 are arranged along the left and right directions with the same axial lead, the screw thread turning directions of the two screw rods 4 are opposite, the inner side ends of the two screw rods 4 are mutually fixedly connected, the outer side ends of the two screw rods 4 are respectively rotatably connected on the left and right side plates of the box body 1, the outer side end of one screw rod 4 penetrates out of the box body 1 and is fixedly provided with a knob 5, the two screw rods 4 are both provided with a conductive piece 6, the conductive piece 6, electrically conductive piece is used for electrically conducting between conducting strip 3 and the movable block 6, the side of going up of two electrically conductive pieces is contradicted respectively on two conducting strips 3, the downside of two movable blocks 6 has all set firmly pen needle 7, pen needle 7 is made by electrically conductive metal material, the lower lateral wall of box body 1 is equipped with guide way 8, two pen needles 7 all pass guide way 8 downwards, the width of guide way 8 and the diameter looks adaptation of pen needle 7, the first end of two wires 2 is fixed respectively on two conducting strips 3, the second end of two wires 2 has all set firmly plug 9 after wearing out box body 1, plug 9 is used for with the jack connection on the SPD detector.

The two pen needles 7 are arranged on the box body 1, so that the surge protector can be detected only by holding the box body 1 with one hand during detection, operation with two hands is not needed, and the use is more convenient; two screws 4 are rotated simultaneously through the rotary knob 5, and when the two screws 4 rotate, the two moving blocks 6 move oppositely or away from each other, so that the distance between the two pen needles 7 can be adjusted, the surge protectors of different models can be detected, and the application range is wide.

As shown in fig. 1, 2 and 3, a handle 10 is fixedly arranged at the middle of the upper side of the box body 1. Just can grip box body 1 through gripping handle 10, conveniently take and hold the utility model provides a SPD detects pen.

As shown in fig. 3 and 4, through holes 11 are formed in the left side wall and the right side wall of the box body 1, annular grooves 12 are formed in the outer ends of the two screws 4, the two through holes 11 are located in the two annular grooves 12 respectively, and the diameter of each through hole 11 is matched with the diameter of a cylinder 13 formed by the surrounding of the bottom wall of each groove. So that the outer ends of the two screws 4 are respectively rotatably connected to the left and right side plates of the box body 1.

As shown in fig. 4, the conductive member includes an elastic block 14, a contact piece 15, and a conductive filament 16, a lower side surface of the elastic block 14 is fixed on the moving block 6, the contact piece 15 is made of a conductive metal material, a lower side surface of the contact piece 15 is fixed on an upper side surface of the elastic block 14, the upper side surface of the contact piece 15 abuts against the conductive sheet 3, a hole 17 is formed in the elastic block 14, the conductive filament 16 is located in the hole 17, an upper end of the conductive filament 16 is fixed on the contact piece 15, and a lower end of the conductive filament 16 is fixed on the. The elastic block 14 has elasticity, and can make the contact piece 15 contact with the conductive piece 3 more closely, so that the conductive capability between the contact piece 15 and the conductive piece 3 is better.

As shown in fig. 1, the surface of the handle 10 is provided with anti-slip stripes 18. The anti-slip stripes 18 have an anti-slip effect, so that the hand and the handle 10 are not easy to slip.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.

Claims

1. An SPD detection pen, its characterized in that: the pen container comprises a container body and two wires, wherein conducting strips are fixedly arranged at the left part and the right part of the upper side wall of the inner cavity of the container body, the conducting strips are arranged along the left and right directions, screw rods are arranged at the left part and the right part of the inner cavity of the container body, the two screw rods are coaxially arranged along the left and right directions, the thread directions of the two screw rods are opposite, the inner side ends of the two screw rods are fixedly connected with each other, the outer side ends of the two screw rods are respectively and rotatably connected to the left and right side plates of the container body, a knob is fixedly arranged after the outer side end of one screw rod penetrates out of the container body, moving blocks are respectively arranged on the two screw rods, screw holes are arranged on the two moving blocks, the two screw holes are respectively screwed on the two screw rods, conducting pieces are fixedly arranged at the upper sides of the two moving blocks, the, the lower lateral wall of box body is equipped with the guide way, two the guide way is all passed downwards to the pen needle, the width of guide way and the diameter looks adaptation of pen needle, two the first end of wire is fixed respectively on two conducting strips, and the second end of two wires all sets firmly the plug after wearing out the box body.

2. The SPD test pen according to claim 1, wherein: the middle part of the upper side surface of the box body is fixedly provided with a handle.

3. The SPD test pen according to claim 1, wherein: the box body is characterized in that through holes are formed in the left side wall and the right side wall of the box body, annular grooves are formed in the outer ends of the two screw rods, the through holes are located in the two annular grooves respectively, and the diameter of each through hole is matched with the diameter of a cylinder formed by the surrounding of the bottom walls of the grooves.

4. The SPD test pen according to claim 1, wherein: the electrically conductive piece includes elastic block, contact piece and conductive silk, the downside of elastic block is fixed on the movable block, the downside of contact piece is fixed at the side of going up of elastic block, the side of going up of contact piece is contradicted on the conductive piece, be equipped with the pore in the elastic block, the conductive silk is located in the pore, the upper end of conductive silk is fixed on the contact piece, the lower extreme of conductive silk is fixed on the movable block.

5. The SPD test pen according to claim 2, wherein: the surface of the handle is provided with anti-skid stripes.