CN213482329U

CN213482329U - Weak current safety inspection device of fire engineering

Info

Publication number: CN213482329U
Application number: CN202022068568.0U
Authority: CN
Inventors: 叶春文; 周晓娟; 于石玉
Original assignee: Shenzhen Yongke Construction Engineering Co ltd
Current assignee: Shenzhen Yongke Construction Engineering Co ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2021-06-18
Anticipated expiration: 2030-09-19

Abstract

The application relates to the field of safety detection, in particular to a weak current safety detection device for fire-fighting engineering. The device comprises a measuring body, wherein a measuring pin is arranged on one side of the body, a conductor is arranged on the other side of the body, a connecting rod is connected in the body and connected with the conductor, a conducting rod is further arranged in the body and connected with the connecting rod in a sliding manner, a driving piece for driving the conducting rod to slide up and down is arranged in the body, the measuring pin is connected with the conducting rod, and a connecting hole for the measuring pin to slide out is formed in the body. This application has when not needing to measure, can accomodate this internal with the survey pin to reduce the possibility that the survey pin wets. Meanwhile, the stability and precision during measurement can be improved.

Description

Weak current safety inspection device of fire engineering

Technical Field

The application relates to the field of safety detection, in particular to a weak current safety detection device for fire-fighting engineering.

Background

The fire engineering weak current safety inspection device is a device for measuring electricity, along with the progress of science and technology, has reached the degree that family household all used electricity now, and the weak current voltage of family usefulness is not high, but still can cause certain damage after the human body contacts, therefore the weak current detects to be an indispensable link of fire control system. In the weak current detection process, the test pencil is most commonly used, and is favored due to small volume, high measurement precision and stable detection.

If the Chinese utility model with the authorization notice number of CN201796080U discloses a test pencil, which comprises a test pencil body, two luminotrons are arranged in a luminous tube cavity in a transparent shell behind a trigger stick on the test pencil body. One end of the luminous tube is connected with a human body contactor, the other end of the luminous tube is connected with a power switch, and the other end of the power switch is connected with an electric shock rod. When the staff detects weak current, the contact rod is firstly contacted with a circuit to be detected, then one of the light emitting tubes is used by the power switch, and then the staff is contacted with the human body contactor to measure the circuit to be detected.

According to the related technology, the electric shock rod is always exposed in the use process of the test pencil, and due to the fact that the electric shock rod is always exposed, the electric shock rod is affected by damp or foreign objects in the exposure process, and the accuracy and the safety of measurement are affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the measuring needle exposes always and leads to weing, this application provides a fire engineering weak current safety inspection device.

The application provides a pair of fire engineering weak current safety inspection device adopts following technical scheme:

the utility model provides a fire engineering weak current safety inspection device, includes the measuring body, body one side is provided with the probe, and the opposite side is provided with the electric conductor, the body in-connection has the connecting rod, the connecting rod with the electric conductor links to each other, this internal conducting rod that still is provided with, the conducting rod with the connecting rod is slided and is connected, this internal drive that is provided with the drive the conducting rod slides from top to bottom, the probe with the conducting rod links to each other, set up the confession on the body the connecting hole of probe roll-off.

Through adopting above-mentioned technical scheme, when need not measuring, the staff utilizes driving piece drive conducting rod to remove, and the conducting rod removes to drive the contact pin and removes together, and the conducting rod removes towards this internal removal to make the contact pin also remove toward this internal removal, thereby reduced the exerted part of contact pin, carried out the setting of an acceping to the contact pin, thereby reduced the condition that the contact pin exposes and wets, improved measuring stability and accuracy.

Preferably, the driving part comprises a driving rod connected to the body in a sliding manner and connected to the conducting rod, a waist-shaped hole is formed in the body along the sliding direction of the conducting rod, and one end, far away from the conducting rod, of the driving rod penetrates through the waist-shaped hole and is located outside the body.

Through adopting above-mentioned technical scheme, when the staff acceptd the survey pin, utilized the actuating lever to drive the conducting rod and removed in to this body, the conducting rod removes towards this body to drive the survey pin and remove towards this body, thereby reduced the exposed part of survey pin, make the conducting rod drive the survey pin and reciprocate, guaranteed survey pin measuring stability and to measuring precision.

Preferably, the conducting rod is provided with a moving spring for driving the conducting rod to slide away from the connecting hole.

Through adopting above-mentioned technical scheme, when the staff acceptd of probe, the staff released the actuating lever, the actuating lever no longer carries out the application of force to the conducting rod, because when the conducting rod stretches out this external, it is in compression state to remove one kind of spring, make after the actuating lever no longer to the conducting rod application of force, the conducting rod receives the effort that removes the spring and resume deformation, make the conducting rod remove towards the direction of electric conductor, thereby guarantee that the probe exposes the degree and reduces, reduce staff's operation burden, the stability of probe measurement and to measuring precision have been guaranteed.

Preferably, be equipped with the setting element on the body, the setting element including slide connect in sliding block on the conducting rod with connect in locating piece on the body, sliding block orientation one side of probe is the inclined plane, the locating piece orientation one side of sliding block also is the inclined plane, sliding block's inclined plane with the inclined plane of locating piece is mutually supported, be provided with on the conducting rod and keep the sliding spring that sliding block stretches out. The body is provided with a sliding block for resetting the conducting rod, and the sliding block is connected with the body in a sliding manner.

Through adopting above-mentioned technical scheme, when the staff need test, earlier utilize the actuating lever to drive the conducting rod downstream, the locating piece contact on with sliding block and the body on the conducting rod, because relative all is the inclined plane on sliding block and the locating piece to make the locating piece to the effort of sliding block, partly component makes sliding block take place to slide, thereby makes the conducting rod continue the displacement, keeps away from the lateral wall of electric conductor with the locating piece and supports tightly, realizes exposing of probe, increases the stability that the probe measured. When not needing to measure, staff drive reset block slides for reset block exerts the effort to the sliding block, thereby makes the sliding block take place to slide, and the locating piece no longer blocks the sliding block, makes the conducting rod get back to original position.

Preferably, one end of the body, which is close to the measuring probe, is rotatably connected with a gear rotating sleeve, and a locking piece for locking the gear rotating sleeve is arranged on the body.

Through adopting above-mentioned technical scheme, set up the rotation cover in one side that the body is close to the measuring pin for get into this internal back at the measuring pin, close the rotation cover, thereby make the measuring pin expose the possibility of weing and reduce more, thereby make when measuring, guarantee the stability and the accuracy of measuring pin.

Preferably, the locking piece comprises a locking block connected with the rotating sleeve and an elastic block connected with the body, a locking hole is formed in the locking block, a limiting block is connected to the elastic block, the elastic block is tightly abutted to the side wall of the locking hole, and the limiting block is tightly abutted to the side wall, close to the electric conductor, of the locking block and located outside the locking hole.

By adopting the technical scheme, when a worker covers the body by rotating the sleeve, the worker rotates the rotating sleeve firstly, then applies force to the limiting block, and the limiting block applies force to the elastic block, so that the elastic block is slightly elastically deformed and clamped into the locking groove; when dismantling, carry out the application of force to the stopper for the stopper removes to the locking hole, and the stopper applys the effort to the elastic block, and the person in charge carries out the locking block and outwards pulls out, thereby makes elastic block and locking groove separation.

Preferably, the measuring pin is in threaded connection with the conducting rod.

Through adopting above-mentioned technical scheme, after using many times to the measuring pin, can make the material on measuring pin surface take place the passivation to reduce the electric conductivity of measuring pin, influence measuring stability and accuracy.

Preferably, the connecting rod is connected with a conductive spring, and the conductive spring is connected with the conductive rod in a sliding manner.

Through adopting above-mentioned technical scheme, make conducting rod and connecting rod link to each other through making electrically conductive spring, increase the area of contact, further increase electric conductivity.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the measuring needle is accommodated, so that the exposed and damp condition of the measuring needle is reduced, and the measuring stability and accuracy are improved.

2. Through setting up the rotation cover for get into this internal back at the survey pin, close the rotation cover, thereby make the survey pin expose the possibility that wets and reduce more, thereby make when measuring, guarantee the stability and the accuracy of survey pin.

3. Through the replacement of the measuring needle, the influence on the stability and the precision of measurement caused by the passivation of metal is prevented.

Drawings

FIG. 1 is a schematic view of the whole structure of the weak current safety detection device in the fire-fighting engineering.

Fig. 2 is a sectional structural schematic view of the weak current safety detection device in the fire engineering along the length direction.

Fig. 3 is an enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a body; 2. a moving chamber; 3. an electrical conductor; 41. a drive rod; 42. a movable spring; 5. a positioning member; 51. a sliding block; 52. positioning blocks; 6. a driving plate; 7. measuring a needle; 8. rotating the sleeve; 9. a locking member; 91. an elastic block; 92. a locking block; 10. a limiting block; 11. a conductive rod; 12. connecting grooves; 14. a conductive spring; 15. a kidney-shaped hole; 16. A sliding spring; 17. positioning a groove; 18. a reset hole; 19. a connecting rod; 21. a locking hole; 22. a reset block; 23. a neon tube; 24. a large resistance; 25. a support block; 26. a limiting block; 28. connecting holes; 29. and (4) an observation window.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses fire engineering light current safety inspection device. Referring to fig. 1, the weak current safety detection device for fire engineering comprises a body 1. One end of the body 1 is fixedly connected with the electric conductor 3, and the side wall of the body 1 close to the electric conductor 3 is provided with an observation window 29.

Referring to fig. 2 and 3, one end of the body 1, which is far away from the electric conductor 3, is rotatably connected with a rotating sleeve 8, a moving cavity 2 is formed in the body 1, a connecting rod 19 is fixedly connected to the electric conductor 3, and the connecting rod 19 is located in the moving cavity 2. The end face of the connecting rod 19 far away from the conductor 3 is provided with a connecting groove 12, and the connecting groove 12 is connected with a conducting rod 11 in a sliding manner. One end of the conducting rod 11 close to the conductor 3 is provided with a neon tube 23, and one end of the conducting rod 11 far away from the conductor 3 is provided with a large resistor 24. The outer side wall of the conductive rod 11 is abutted against the inner side wall of the connecting groove 12. The conducting rod 11 is sleeved with a conducting spring 14, and one end of the conducting spring 14 close to the conductor 3 is fixedly connected with a connecting rod 19. The main body 1 is provided with a driving member, which is a driving rod 41. The driving rod 41 is made of plastic. A waist-shaped hole 15 is formed in the body 1, the forming direction of the waist-shaped hole 15 is consistent with the length direction of the body 1, a driving rod 41 is fixedly connected with the outer side wall of the conducting rod 11, one end of the driving rod 41 is positioned in the moving cavity 2, and the other end of the driving rod 41 is positioned outside the body 1; and the driving rod 41 is connected in the kidney-shaped hole 15 in a sliding way.

The conductive rod 11 is provided with a positioning member 5, and the positioning member 5 includes a sliding block 51 and a positioning block 52. The outer side wall of the conducting rod 11 is provided with a positioning groove 17, and a sliding spring 16 is fixedly connected in the positioning groove 17. One end of the sliding spring 16 far away from the positioning slot 17 is fixedly connected with the sliding block 51. The sliding block 51 is connected with the positioning groove 17 in a sliding manner. The positioning block 52 is located in the moving cavity 2, and one end of the positioning block 52 is fixedly connected with the inner wall of the moving cavity 2. The side wall of the sliding block 51 far away from the sliding spring 16 is arranged downwards from the side close to the positioning block 52 to the side far away from the positioning block 52; the side wall of the positioning block 52 far from the inner cavity wall of the moving cavity 2 is obliquely and upwards arranged from one side close to the conducting rod 11 to one side far from the conducting rod 11, and the lower end face of the positioning block 52 far from the conductor 3 is tightly propped against the upper end face of the sliding block 51 facing the conductor 3.

The side wall of the moving cavity 2 close to the sliding block 51 is provided with a reset hole 18. The movable cavity 2 is communicated with the outside through a reset hole 18, and a reset block 22 is arranged in the reset hole 18 in a sliding manner; one side of the reset block 22 is positioned in the moving cavity 2, and the other side is positioned outside the moving cavity 2; the sliding direction of the reset block 22 is perpendicular to the axial direction of the conductive rod 11, the reset block 22 is tightly abutted against the inclined surface of the positioning block 52, and the reset block 22 is made of plastic.

The conducting rod 11 is fixedly connected with the driving piece 6 on the side wall far away from the electric conductor 3, the conducting rod 11 is sleeved with the movable spring 42, one end of the movable spring 42 is tightly abutted to the driving piece 6, and the other end of the movable spring is tightly abutted to the inner cavity wall far away from the electric conductor 3 of the movable cavity 2. One end of the conducting rod 11 far away from the conductor 3 penetrates out of the body 1, and the conducting rod 11 is connected with the body 1 in a sliding mode. A connecting hole 28 is formed in the side wall of the body 1 far away from the electric conductor 3, and a measuring pin 7 is connected to one end, located outside the body 1, of the electric conducting rod 11 through the connecting hole 28 in a threaded mode.

Referring to fig. 2 and 3, a rotating sleeve 8 is rotatably connected to an outer side wall of the body 1 away from the conductor 3 through a pin, a locking member 9 is arranged on the body 1, and the locking member 9 comprises an elastic block 91 and a locking block 92. The elastic blocks 91 are provided with two same elastic blocks, the side wall of the body 1 far away from the electric conductor 3 is fixedly connected with a supporting block 25, the supporting block 25 is fixedly connected with a limiting block 26, the limiting block 26 is far away from the side wall connected with the body 1 and is fixedly connected with the two elastic blocks 91, and the two elastic blocks 91 are respectively positioned at two sides of the limiting block 26. The two elastic blocks 91 are arranged in parallel with the limiting block 26, the supporting block 25 and the rotating sleeve 8 are both located on the end face of the body 1 far away from the conductor 3, and the elastic blocks 91 and the rotating sleeve 8 are respectively located on two sides of the conducting rod 11. The elastic block 91 is fixedly connected with a limiting block 26. The one end that the body 1 links to each other is kept away from to the cover 8 and locking block 92 fixed connection, has seted up locking hole 21 on the locking block 92, and locking hole 21 is the through-hole, fixedly connected with stopper 10 on the elastic block 91, and stopper 10 is located the elastic block 91 and keeps away from on the lateral wall of limiting block 26.

The implementation principle of the weak current safety inspection device of the fire engineering of the embodiment of the application is as follows: when the staff carries out the test pencil and measures whether have electricity, earlier with elastic block 91 to the direction drive of locking groove for elastic block 91 and locking groove separation open and rotate cover 8, then utilize actuating lever 41 to drive conducting rod 11 and remove, make sliding block 51 on the conducting rod 11 follow conducting rod 11 and remove, with remove the locating piece 52 contact on the 2 inner walls in chamber. Then, the driving rod 41 is driven, and the side surfaces of the positioning block 52 and the sliding block 51, which are close to each other, are inclined surfaces, so that the sliding block 51 is subjected to an acting force, and a part of the acting force faces the direction of the positioning slot 17, so that the sliding block 51 enters the positioning slot 17. Then, the driving rod 41 is driven, so that the side wall of the positioning block 52, which is not an inclined surface, limits the sliding block 51, and the conducting rod 11 cannot return to the original position, so that the measuring pin 7 is out of the body 1.

During detection, a worker observes through the observation window 29, current firstly enters the large resistor 24 on the conducting rod 11 from the measuring pin 7, then enters the neon tube 23 on the conducting rod 11, then enters a human body through the electric conductor 3, and finally enters the ground. If neon tube 23 is bright, there is electricity, if not, there is no electricity.

When not needing to test, staff's drive reset block 22 removes, and reset block 22 exerts the effort to sliding block 51 for sliding block 51 gets into in the constant head tank 17, and conducting rod 11 is owing to receive the effort that removes spring 42, makes conducting rod 11 remove to removing intracavity 2, rotates cover 8 afterwards, makes cover 8 cover the hole of sliding probe 7 on with body 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fire engineering light current safety inspection device, includes measuring body (1), body (1) one side is provided with measuring needle (7), and the opposite side is provided with electric conductor (3), its characterized in that: the utility model discloses a measuring probe, including body (1), connecting rod (19) are connected in body (1), connecting rod (19) with electric conductor (3) link to each other, still be provided with conducting rod (11) in body (1), conducting rod (11) with connecting rod (19) slide and are connected, be provided with the drive in body (1) the driving piece that conducting rod (11) slided from top to bottom, measuring probe (7) with conducting rod (11) link to each other, offer the confession on body (1) connecting hole (28) of measuring probe (7) roll-off.

2. The fire-fighting engineering weak current safety detection device as recited in claim 1, wherein: the driving piece including slide connect in on body (1) and with actuating lever (41) that conducting rod (11) link to each other, waist type hole (15) have been seted up along the direction of sliding of conducting rod (11) in body (1), actuating lever (41) pass waist type hole (15) and keep away from the one end of conducting rod (11) is located outside body (1).

3. The fire-fighting engineering weak current safety detection device as recited in claim 2, characterized in that: and a moving spring (42) for driving the conducting rod (11) to move away from the connecting hole (28) is arranged on the conducting rod (11).

4. The fire-fighting engineering weak current safety detection device as recited in claim 2, characterized in that: be equipped with setting element (5) on body (1), setting element (5) including slide connect in sliding block (51) on conducting rod (11) with connect in locating piece (52) on body (1), sliding block (51) orientation one side of survey needle (7) is the inclined plane, locating piece (52) orientation one side of sliding block (51) also is the inclined plane, the inclined plane of sliding block (51) with the inclined plane of locating piece (52) mutually supports, be provided with on conducting rod (11) and keep sliding spring (16) that sliding block (51) stretch out, be provided with on body (1) and make sliding block (51) that conducting rod (11) reset, sliding block (51) with body (1) slides and connects.

5. The fire-fighting engineering weak current safety detection device as recited in claim 1, wherein: the measuring probe is characterized in that one end, close to the measuring probe (7), of the body (1) is rotatably connected with a rotating sleeve (8), and a locking piece (9) for locking the rotating sleeve (8) is arranged on the body (1).

6. A fire-fighting engineering weak current safety detection device as recited in claim 5, characterized in that: locking piece (9) including with locking piece (92) that rotating sleeve (8) links to each other and elastic block (91) that body (1) links to each other, locking hole (21) have been seted up on locking piece (92), be connected with stopper (10) on elastic block (91), elastic block (91) with locking hole (21) lateral wall supports tightly, stopper (10) with locking piece (92) are close to the lateral wall of electric conductor (3) supports tightly and is located outside locking hole (21).

7. The fire-fighting engineering weak current safety detection device as recited in claim 1, wherein: the measuring pin (7) is in threaded connection with the conducting rod (11).

8. The fire-fighting engineering weak current safety detection device as recited in claim 2, characterized in that: the connecting rod (19) is connected with a conductive spring (14), and the conductive spring (14) is connected with the conductive rod (11) in a sliding mode.