CN215575339U

CN215575339U - Anti-loosening current voltmeter

Info

Publication number: CN215575339U
Application number: CN202122243816.5U
Authority: CN
Inventors: 沈志富; 姚志国
Original assignee: Nanjing Putian Hongyan Electrical Appliance Technology Co ltd
Current assignee: Nanjing Putian Hongyan Electrical Appliance Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-01-18
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to the technical field of electronic instruments and discloses an anti-loosening current voltmeter. The anti-loosening current voltmeter comprises a base, a meter head and a locking piece, wherein the base is electrically connected with the loop to be tested; the base is provided with a gauge head slot and a fixed groove, the outer surface of the gauge head is provided with a fixed lug, a detection circuit is arranged in the gauge head, the gauge head is configured to be inserted into the gauge head slot and electrically connected with the base, and the fixed lug is embedded into the fixed groove; the meter head is inserted into the base without blocking, and the plugging and the unplugging are smooth. Retaining member is configured to can be with fixed hangers locking in the fixed slot, guarantees that the gauge outfit can not become flexible or drop at the during operation, has strengthened the detection reliability of current voltmeter.

Description

Anti-loosening current voltmeter

Technical Field

The utility model relates to the technical field of electronic instruments, in particular to an anti-loosening current voltmeter.

Background

The hot-plug current voltmeter is widely applied to a power distribution unit of a data computer room, and the stability and the reliability of the hot-plug current voltmeter directly influence the daily data maintenance and operation of the data computer room.

At present, plug bushes of hot plug current voltmeters on the market usually consider that plugging is smooth and convenient, and a general flag type plugging mode is adopted. However, due to the defect of a fixed structure of the hot-plug current voltmeter adopting the flag type plugging mode, after the current voltmeter is plugged into a loop to be detected, the meter head of the hot-plug current voltmeter loosens or falls off in the transportation and assembly processes, and the detection of the current voltmeter on the monitoring loop fails.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide an anti-loosening current and voltage meter, wherein a meter head of the current and voltage meter cannot loosen or fall off after being plugged into a power distribution unit.

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

an anti-loosening voltmeter comprising: the device comprises a base, a gauge head and a locking piece, wherein the base is electrically connected with a loop to be tested;

the base is provided with a gauge head slot and a fixed groove, the outer surface of the gauge head is provided with a fixed lug, a detection circuit is arranged in the gauge head, the gauge head is configured to be inserted into the gauge head slot and electrically connected with the base, and the fixed lug is embedded into the fixed groove;

the locking member is configured to lock the fixing lugs in the fixing grooves.

As an alternative of the anti-loosening current voltmeter, the locking piece comprises a rotating shaft, a clamping plate and a spring;

the rotating shaft is connected with the base;

the middle part of the buckling plate is rotationally connected with the rotating shaft, one end of the buckling plate is a butt end and is used for tightly pressing and fixing the hanging lug, and the other end of the buckling plate is a pressing end;

one end of the spring is connected with the base, and the other end of the spring is connected with the pressing end.

As an alternative scheme of an anti-loosening current voltmeter, the fixing groove and the fixing hanging lug are both provided with coaxial threaded holes with the same aperture, the locking piece is a screw, and the screw is connected with the threaded holes in a matched mode.

As an alternative scheme of the anti-loosening current voltmeter, at least three jacks are arranged at the bottom of the meter head slot, and each jack is electrically connected with the loop to be tested.

As an alternative of the anti-loosening current voltmeter, four jacks are arranged at the bottom of the meter head slot.

As an alternative scheme of the anti-loosening current voltmeter, a metal plug bush is arranged in the jack, one end of the metal plug bush is electrically connected with the loop to be tested, and the other end of the metal plug bush is used for being electrically connected with the meter head.

As an alternative of the anti-loosening current voltmeter, the detection circuit is connected with at least three plug boards which are respectively and electrically connected with the metal plug bushes.

As an alternative of the anti-loosening current voltmeter, the side wall of the base is further provided with a plug flange.

As an alternative scheme of the anti-loosening current voltmeter, a base bottom cover is arranged at one end, away from the meter head, of the base, and a wire hole is formed in the side wall of the base bottom cover.

As an alternative to the anti-loosening current-voltage meter, the surface of the meter head far away from the base is provided with a skirt.

An anti-loose current voltmeter is provided,

the utility model has the beneficial effects that:

the utility model provides an anti-loosening current voltmeter, which comprises: the device comprises a base, a gauge head and a locking piece, wherein the base is electrically connected with a loop to be tested; the base is provided with a gauge head slot and a fixed groove, the outer surface of the gauge head is provided with a fixed lug, a detection circuit is arranged in the gauge head, the gauge head is configured to be inserted into the gauge head slot and electrically connected with the base, and the fixed lug is embedded into the fixed groove; the meter head is inserted into the base without blocking, and the plugging and the unplugging are smooth. Retaining member is configured to can be with fixed hangers locking in the fixed slot, guarantees that the gauge outfit can not become flexible or drop at the during operation, has strengthened the detection reliability of current voltmeter.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is an exploded view of an assembly of an anti-loosening voltmeter in accordance with an embodiment of the present invention;

FIG. 2 is an exploded view of the base of the anti-loosening voltmeter according to the embodiment of the utility model;

fig. 3 is a table head explosion diagram of an anti-loosening current voltmeter according to an embodiment of the present invention.

In the figure:

1. a base; 11. a gauge head slot; 111. a jack; 112. a metal insert sleeve; 12. fixing grooves; 13 inserting the flange; 14. a base bottom cover; 141. a wire guide hole;

2. a gauge head; 21. fixing the hangers; 211. a threaded hole; 22. a detection circuit; 221. inserting plates; 23. a skirt edge;

3. and a locking member.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is an exploded view of an assembly of an anti-loosening current-voltage meter according to an embodiment of the present invention, and as shown in fig. 1, the anti-loosening current-voltage meter according to the embodiment includes: base 1, gauge outfit 2 and retaining member 3, base 1 is connected with the return circuit electricity that awaits measuring. The base 1 is provided with a gauge head insertion groove 11 and a fixing groove 12. The outer surface of the gauge outfit 2 is provided with a fixed hanging lug 21, and the gauge outfit 2 is internally provided with a detection circuit 22 for detecting the current and the voltage of a loop to be detected. The gauge outfit 2 is configured to be inserted into the gauge outfit slot 11 and electrically connected with the base 1, and the fixing lugs 21 are embedded into the fixing grooves 12 to position the gauge outfit 2. The locking member 3 is configured to lock the fixing lugs 21 in the fixing grooves 12.

The anti-loosening current voltmeter provided by the utility model has the advantages that the meter head 2 is inserted into the base 1 without blocking, and the plugging and unplugging are smooth. Retaining member 3 is configured to can be with fixed hangers 21 locking in fixed slot 12, guarantees that gauge outfit 2 can not become flexible or drop at the during operation, has strengthened the detection reliability of current-voltage meter.

As a preferred technical scheme, fixed slot 12 and fixed hangers 21 all are equipped with coaxial and have the screw hole 211 in the same aperture, and retaining member 3 is the screw, and the screw is connected with the cooperation of screw hole 211, will fix hangers 21 locking in fixed slot 12, guarantee that gauge outfit 2 can not become flexible or drop at the during operation. The scheme has the advantages of simple structure, low cost and easy realization.

As a preferred technical solution, the locking member 3 comprises a rotating shaft, a latch plate and a spring (none of the rotating shaft, the latch plate and the spring are shown in the figure) for pressing the fixing lugs 21 in the fixing grooves 12, and the locking member 3 is provided with two working states of pressing and releasing according to the compression and natural state of the spring. Wherein the rotation shaft and the fixing groove 12 are disposed on the same surface of the base 1. The buckle plate is a rectangular plate. The middle part of buckle plate length direction is equipped with the through-hole that extends along width direction, and in the through-hole was worn to locate by the pivot, made buckle plate and pivot rotate to be connected, the both ends of buckle plate can revolute the pivot swing. Specifically, one end of the latch plate is an abutting end for pressing the fixing lug 21 in the fixing groove 12. The other end is a pressing end, the bottom of the pressing end is connected with the spring, and the other end of the spring is connected with the base 1. The working principle of the locking piece 3 is that in a pressing state, the spring is loosened to be in a natural state, the pressing end connected with the spring tilts around the rotating shaft under the supporting action of the spring, and meanwhile, the abutting end falls around the rotating shaft to press the fixed hanging lug 21 in the fixed groove 12; in the released state, the pressing end falls around the rotating shaft under the action of external force to extrude the spring, and meanwhile, the abutting end tilts around the rotating shaft to release the fixed hanging lug 21.

Fig. 2 is an exploded view of a base of an anti-loose current-voltage meter according to an embodiment of the present invention, and referring to fig. 2, at least three insertion holes 111 are formed at a bottom of a meter head slot 11, a metal insertion sleeve 112 is disposed in the insertion holes 111, one end of the metal insertion sleeve 112 is electrically connected to a loop to be tested, and the other end is electrically connected to the meter head 2.

When the anti-loosening current voltmeter is provided with three jacks 111, three metal plug bushes 112 are simultaneously arranged. Specifically, the first plug is sleeved with a live wire, the second plug is sleeved with a black signal wire at one end of a zero line and a mutual inductor, and the third plug is sleeved with a red signal wire at the other end of the mutual inductor. The first plug bush and the second plug bush are responsible for power supply and are used for collecting voltage, and the second plug bush and the third plug bush are used for collecting current.

When the current voltmeter monitors alternating current, the meter head 2 only uses three plug bushes in work. When the current voltmeter monitors direct current, the meter head 2 works to use four plug bushes. As a preferable technical solution, in this embodiment, four insertion holes 111 are provided at the bottom of the gauge head slot 11, and four metal insertion sleeves 112 are provided at the same time. At the moment, the first plug bush is connected with the positive pole of the direct-current power supply, the second plug bush is connected with the negative pole of the direct-current power supply, the third plug bush is connected with the yellow signal line of the direct-current negative pole load, and the fourth plug bush is connected with the blue signal line of the direct-current negative pole load. The first plug bush and the second plug bush are used for supplying power to the instrument and collecting voltage. The third plug bush and the fourth plug bush are used for collecting current.

With continued reference to fig. 2, the side wall of the base 1 is further provided with an insertion flange 13, which facilitates installation of the anti-loosening current voltmeter into the insertion groove of the profile, thereby realizing rapid assembly.

As a preferable technical solution, the end of the base 1 away from the gauge outfit 2 is further provided with a base bottom cover 14 for protecting the insertion hole 111 and the insertion sleeve 112 in the base bottom cover 14. The sidewall of the base bottom cover 14 is provided with a wire guide 141. The wires of the loop to be tested pass through the wire holes 141 and are connected with the metal plug bush 112 in the base bottom cover 14.

Fig. 3 is an exploded view of a meter head of an anti-loose current-voltage meter according to an embodiment of the present invention, and referring to fig. 3, a detection circuit 22 is disposed in the meter head 2, and at least three plug boards 221 are disposed at the end of the detection circuit 22. Preferably, the inserting plate 221 is a copper plate, so that the electric conduction effect is good, and the detection precision is high. During operation, the gauge head 2 is inserted into the gauge head slot 11 of the base 1, and the three insertion plates 221 are respectively inserted into the three insertion holes 111 and electrically connected with the metal insertion sleeves 112 in the insertion holes 111.

In this embodiment, the one end of gauge outfit 2 still is equipped with dustproof cover plate, protects the circuit in the gauge outfit 2, is convenient for open dustproof cover plate simultaneously and can maintains the inner structure of gauge outfit 2.

As a preferred solution, the surface of the watch head 2 remote from the base 1 is provided with a skirt 23. The skirt 23 provides a point of stress on the head 2 during extraction when the head 2 is inserted into the base 1, facilitating the smooth extraction of the head 2 from the base 1.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. An anti-loosening voltmeter, comprising: the device comprises a base (1), a gauge outfit (2) and a locking piece (3), wherein the base (1) is electrically connected with a loop to be tested;

the base (1) is provided with a gauge head slot (11) and a fixing slot (12), the outer surface of the gauge head (2) is provided with a fixing lug (21), a detection circuit (22) is arranged in the gauge head (2), the gauge head (2) is configured to be inserted into the gauge head slot (11) and electrically connected with the base (1), and the fixing lug (21) is embedded into the fixing slot (12);

the locking piece (3) is configured to lock the fixing lugs (21) in the fixing groove (12).

2. Anti-loosening voltmeter according to claim 1, wherein the locking element (3) comprises a rotating shaft, a snap plate and a spring;

the rotating shaft is connected with the base (1);

the middle part of the buckling plate is rotationally connected with the rotating shaft, one end of the buckling plate is a butt end and is used for pressing the fixed hanging lug (21), and the other end of the buckling plate is a pressing end;

one end of the spring is connected with the base (1), and the other end of the spring is connected with the pressing end.

3. Anti-loosening voltmeter according to claim 1, wherein the fixing groove (12) and the fixing lug (21) are both provided with a coaxial threaded hole (211) with the same diameter, and the locking member (3) is a screw, and the screw is connected with the threaded hole (211) in a matching manner.

4. Anti-loosening voltmeter according to claim 1, wherein the bottom of the meter head slot (11) is provided with at least three jacks (111), and each jack (111) is electrically connected to the loop to be tested.

5. Anti-loosening voltmeter according to claim 4, wherein the bottom of the meter head slot (11) is provided with four sockets (111) for detecting the current and voltage of the direct current.

6. Anti-loose voltmeter according to claim 4, wherein a metal sleeve (112) is disposed in the insertion hole (111), one end of the metal sleeve (112) is electrically connected to the loop to be tested, and the other end is used for electrically connecting to the meter head (2).

7. Anti-loosening voltmeter according to claim 6, wherein at least three plug boards (221) are connected to the detection circuit (22), and the plug boards (221) are electrically connected to the metal plug bushes (112), respectively.

8. Anti-loosening voltmeter according to claim 1, wherein the side wall of the base (1) is further provided with a plug flange (13).

9. Anti-loose voltmeter according to claim 1, wherein an end of the base (1) away from the meter head (2) is provided with a base bottom cover (14), and a side wall of the base bottom cover (14) is provided with a wire hole (141).

10. Anti-loosening voltmeter according to claim 1, wherein the surface of the meter head (2) remote from the base (1) is provided with a skirt (23).