A connection device for micrometer and circuit breaker

Abstract

The invention discloses a connecting device for a micrometer and a circuit breaker, and relates to the technical field of meter installation, comprising a frame, wherein the frame is located at the rear side of the circuit breaker and is slidably connected thereto, the outer wall of the frame is provided with a movable plate, the movable plate slides freely on the outer wall of the frame, a disc is provided on one side of the movable plate, a turntable is provided on one side of the disc, a fixed plate is provided on the side of the turntable, the side of the fixed plate has the same cross-section as the protruding area of ​​the frame, the fixed plate and the groove on the rear side of the micrometer are matched with each other, a pair of clamping heads for clamping electric wires are provided above the movable plate, the clamping heads are elastic, and a fastening unit for driving the clamping heads to drive the electric wires to be squeezed downward is provided above the movable plate. In this device, it is more convenient for operators to observe the installation of electric wires of the micrometer and the circuit breaker, so that the installation environment is more flexible and the difficulty of installing the electric meter and the circuit breaker is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of electric meter installation, in particular to a connecting device for a miniature electric meter and a circuit breaker. Background Art

[0002] At present, many households and businesses are using various types of electricity meters, such as single-phase meters, three-phase meters, etc. These meters are used to measure electricity consumption so that users can understand their electricity consumption and formulate corresponding energy-saving strategies. During use, the meter needs to be connected to a circuit breaker to monitor and control household electricity consumption in real time.

[0003] The current connection device between the electric meter and the circuit breaker is relatively simple. Most of the connection devices are composed of a long folding plate that is clamped on the rear side of the circuit breaker and the electric meter, so that the micro meter and the circuit breaker are on the same horizontal line for wiring work; however, this connection method makes the electric meter can only be located on the side of the circuit breaker, and the connection method usually needs to be wrapped from the bottom of the electric meter to the top of the circuit breaker, making it difficult for the installer to clearly observe the wiring port of the circuit breaker and the contact end of the electric meter, thereby increasing the difficulty of installing the electric meter and the circuit breaker.

[0004] To this end, the present invention provides a connecting device for a micro-meter and a circuit breaker. Summary of the invention

[0005] The object of the present invention is to provide a connection device for a micrometer and a circuit breaker to solve the problems raised in the above background technology. To achieve the above object, the present invention provides the following technical solutions: a connection device for a micrometer and a circuit breaker, comprising a frame, the frame being located at the rear side of the circuit breaker and being slidably connected thereto;

[0006] The outer wall of the frame is provided with a movable plate, the movable plate slides freely on the outer wall of the frame, a disc is provided on one side of the movable plate, a rotating disk is provided on one side of the disc, a fixed plate is provided on the side of the rotating disk, the side of the fixed plate has the same cross section as the protruding area of ​​the frame, and the fixed plate is matched with the groove on the rear side of the micrometer;

[0007] A pair of clamping heads for clamping the wires are provided above the movable plate, and the clamping heads are elastic. A fastening unit for driving the clamping heads to squeeze the wires downward is provided above the movable plate, and the fastening unit makes the installation environment of the wires more stable.

[0008] Preferably, a limit block is provided above the disc, a plurality of limit holes for inserting the limit block are provided inside the disc, a connecting block is provided on the outer wall of the limit block, the connecting block is located above the movable plate and fixedly connected thereto, and a spring is provided above the limit block.

[0009] Preferably, the fastening unit includes a connecting strip located above the limit block, the connecting strip passing through the connecting block and being slidably connected thereto, the outer wall of the connecting strip is provided with a groove body, a slider is provided on one side of the groove body, the slider is located on the movable plate and is slidably connected thereto, a connecting rod is provided above the slider, the bottom end area of ​​the connecting rod is located on the outer wall of the slider and slides relative to it, a rubber block is provided between the end of the slider and the connecting rod, a fixing strip is provided on one side of the connecting rod, the fixing strip and the protruding area of ​​the upper end of the connecting strip are mutually clamped, the outer wall of the connecting strip is provided with an insertion rod, the interior of the groove body is provided with a plurality of circular holes for inserting the insertion rods, the upper end of the connecting rod is provided with a connecting shaft, the end of the connecting shaft is provided with a U-shaped block, and the ends of the two clamping heads are fixedly connected to the U-shaped block.

[0010] Preferably, the interiors of the U-shaped block and the clamping head are both hollow cavities and are interconnected, the interior of the clamping head is filled with coolant, a reaction box is provided inside the U-shaped block, a temperature detector is provided above the reaction box, the detection part of the temperature detector is located outside the U-shaped block, an ignition system is provided inside the reaction box, and can receive an ignition signal transmitted by the temperature detector to start automatically and release gas, and a plurality of through holes are provided inside the clamping head for the discharge of coolant.

[0011] Preferably, the through holes are divided into two groups, including inclined hole one and inclined hole two, the aperture of the inclined hole one is oriented along the ascending direction of the wire, and the aperture of the inclined hole two is oriented along the descending direction of the wire.

[0012] Preferably, under normal conditions, the elastic force of the spring pushes the limit block to be inserted into the limit hole, the end of the limit block is inclined, the inclined area of ​​the limit block is aligned with the inner wall edge of the limit hole, and the plurality of limit holes are distributed symmetrically with respect to the center.

[0013] Preferably, the elastic force of the spring pushes the bottom end of the connecting rod to produce a squeezing effect on the rubber block in a normal state.

[0014] Preferably, the fixing bar is elastic, and the fixing bar can drive the connecting bar to rise and fall.

[0015] The present invention has at least the following beneficial effects:

[0016] 1. In the present invention, the micrometer can be rotated to a suitable installation angle by utilizing the rotation effect of the turntable, which makes it more convenient for operators to observe the installation of the wires of the micrometer and the circuit breaker, making the installation environment more flexible and reducing the difficulty of installing the meter and the circuit breaker; after the installation is completed, the two clamping heads are used to clamp the outer walls of the two wires connected to the inside of the micrometer, and then through the rotation relationship between the connecting shaft and the U-shaped block, the U-shaped block can drive the two clamping heads to rotate to the same angle as the rotation of the micrometer, so that the wires and the meter are always in a vertical state, ensuring the stability of the wire connection.

[0017] 2. In the present invention, the elastic force of the spring drives the connecting bar to drive the fixing bar and the connecting rod to descend, so that the connecting rod drives the U-shaped block and the clamping head to slightly move in the extrusion direction at the same time, so that the clamping head applies a tightening force to the connection area of ​​the wire in the electric meter, preventing the contact area from loosening and causing poor contact, and further ensuring the stability of the wire connection.

[0018] 3. In the present invention, when the temperature detector detects that the surrounding temperature is greater than the preset value, the reaction box will expand and release a large amount of gas and drive the coolant inside the clamping head to be discharged from the through hole to the outside, thereby flame retardant the surrounding area of ​​the clamping area, and promptly prevent the spread of fire, thereby improving the safety of daily electricity use of circuit breakers and electric meters; at the same time, the special direction of inclined hole 1 and inclined hole 2 can make the coolant spray out in the direction of different wires, ensuring that the coolant acts on a wider area and improving the fire retardant effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the installation environment of the present invention;

[0020] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 3 It is a cross-sectional view of the fixing plate and its peripheral accessory structure of the present invention;

[0022] Figure 4 For the present invention Figure 3 A magnified view of the structure of the middle A area;

[0023] Figure 5 It is a side sectional view of the overall structure of the present invention;

[0024] Figure 6 For the present invention Figure 5 A magnified view of the structure of the middle B region;

[0025] Figure 7 For the present invention Figure 5 A magnified view of the structure of the middle C region;

[0026] Figure 8It is a cross-sectional view of the clamping head structure of the present invention;

[0027] Fig. 9 For the present invention Figure 8 A magnified view of the structure of the middle D region;

[0028] Fig.10 This is a schematic diagram of the structure of the inclined hole of the present invention;

[0029] Fig.11 It is a schematic diagram of the structure of the second inclined hole of the present invention.

[0030] In the figure: 1-frame; 2-movable plate; 3-disc; 4-turntable; 5-fixed plate; 6-clamping head; 7-fastening unit; 8-limiting block; 9-limiting hole; 10-connecting block; 11-spring; 12-connecting strip; 13-trough; 14-slider; 15-connecting rod; 16-rubber block; 17-fixing strip; 18-insertion rod; 19-round hole; 20-connecting shaft; 21-U-shaped block; 22-reaction box; 23-temperature detector; 24-through hole; 25-inclined hole one; 26-inclined hole two. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-11 The present invention provides a technical solution: a connecting device for a micrometer and a circuit breaker, comprising:

[0033] Embodiment 1,

[0034] The frame 1 is located at the rear side of the circuit breaker and is slidably connected thereto. The frame 1 is shaped like a thin plate with a convex surface, so that the circuit breaker can slide freely on the frame 1 to obtain the best installation environment. The above is the prior art, so it will not be repeated here.

[0035] In this solution, a movable plate 2 is provided on the outer wall of the frame 1, and the movable plate 2 slides freely on the outer wall of the frame 1. A disc 3 is provided on one side of the movable plate 2 and is rotatably connected thereto. A turntable 4 is provided on one side of the turntable 3 and is fixedly connected thereto. A fixed plate 5 is provided on the side of the turntable 4 and is fixedly connected thereto. The side of the fixed plate 5 has the same cross-section as the protruding area of ​​the frame 1, which means that the micrometer to be installed has the same notch shape as the rear side of the circuit breaker, and the fixed plate 5 and the groove on the rear side of the micrometer match each other, so that this connection device can be directly used for the installation of most micrometers on the market, thereby improving the applicability of this device.

[0036] A limit block 8 is provided above the disc 3, and a plurality of limit holes 9 for inserting the limit block 8 are provided inside the disc 3. A connecting block 10 is provided on the outer wall of the limit block 8 and is slidably connected thereto. The connecting block 10 is located above the movable plate 2 and is fixedly connected thereto. A spring 11 is provided above the limit block 8, and the two ends of the spring 11 are respectively fixedly connected to the limit block 8 and the connecting block 10. Under normal conditions, the elastic force of the spring 11 pushes the limit block 8 to be inserted into the limit hole 9. The end of the limit block 8 is inclined, and the inclined surface area of ​​the limit block 8 is aligned with the inner wall edge of the limit hole 9. The plurality of limit holes 9 are centrally symmetrically distributed.

[0037] When installing the micrometer, the rear groove of the micrometer can be directly connected to the side of the fixing plate 5 (the connection method is the existing technology, and the position of the micrometer and the fixing plate 5 can be relatively fixed), and then the fixing plate 5 is used to drive the movable plate 2 to move left and right on the outer wall of the frame 1 until the micrometer is moved to a suitable installation position and then stopped (there is a certain damping between the inner wall of the movable plate 2 and the outer wall of the frame 1, and the movable plate 2 can be stopped at any position of the outer wall of the frame 1). At the same time, the micrometer can be rotated along the outer wall of the fixing plate 5 along the disk 3, so that the inclined area of ​​the limit block 8 The limit block 8 is blocked by the edge of the notch of the limit hole 9, and then the limit block 8 is contracted toward the inside of the connecting block 10 under the action of the elastic force of the spring 11, until the bottom end of the limit block 8 is aligned with the next limit hole 9, and the elastic force of the spring 11 will drive the limit block 8 to be inserted into the inside of the limit hole 9 again, and limit the rotation effect of the disc 3; through the rotation effect of the disc 3, the micrometer on the outer wall of the fixed plate 5 can be rotated to a suitable installation angle, which makes it more convenient for operators to observe the installation of the wires of the micrometer and the circuit breaker, making the installation environment more flexible and reducing the difficulty of installing the meter and the circuit breaker.

[0038] Furthermore, a pair of clamping heads 6 for clamping the wires are provided above the movable plate 2. The clamping heads 6 are elastic and can have a certain tightening effect on the outer wall of the wires. A tightening unit 7 for driving the clamping heads 6 to squeeze the wires downward is provided above the movable plate 2. The tightening unit 7 makes the contact part of the wires and the connection end in the electric meter more tightly fastened, thereby reducing the possible poor contact caused by long-term use and making the installation environment of the wires more stable and reliable.

[0039] The fastening unit 7 includes a connecting strip 12 located above the limit block 8, the bottom end of the connecting strip 12 is fixedly connected to the limit block 8, the connecting strip 12 passes through the connecting block 10 and is slidably connected thereto, a groove body 13 is provided on the outer wall of the connecting strip 12 and slides relatively thereto, a slider 14 is provided on one side of the groove body 13 and is fixedly connected thereto, the slider 14 is located on the moving plate 2 and is slidably connected thereto, a connecting rod 15 is provided above the slider 14, the bottom end area of ​​the connecting rod 15 is located on the outer wall of the slider 14 and slides relatively thereto, a rubber block 16 is provided between the end of the slider 14 and the connecting rod 15, the bottom of the rubber block 16 is fixedly connected to the slider 14, and the elastic force of the spring 11 pushes the bottom end of the connecting rod 15 against the rubber under normal conditions. The block 16 produces an extrusion effect, a fixing strip 17 is provided on one side of the connecting rod 15 and is fixedly connected thereto, the fixing strip 17 and the protruding area of ​​the upper end of the connecting strip 12 are mutually engaged and can slide relative to each other, the fixing strip 17 is elastic, and the fixing strip 17 can drive the connecting strip 12 to rise and fall, an insertion rod 18 is provided on the outer wall of the connecting strip 12 and is fixedly connected thereto, the overall shape of the insertion rod 18 is L-shaped, a plurality of circular holes 19 for inserting the insertion rod 18 are provided inside the groove body 13, and the plurality of circular holes 19 are equidistantly distributed, a connecting shaft 20 is provided on the upper end of the connecting rod 15 and is rotatably connected thereto, a U-shaped block 21 is provided at the end of the connecting shaft 20 and is fixedly connected thereto, and the ends of the two clamping heads 6 are fixedly connected to the U-shaped block 21;

[0040] During installation, the rotation effect of the turntable 4 can be used to drive the micrometer to rotate to a suitable installation angle. After the installation is completed, the two clamping heads 6 are used to clamp the outer walls of the two wires connected to the inside of the micrometer, and the connecting rod 15 is lifted a short distance, so that the fixing bar 17 drives the connecting bar 12 to rise until the bottom end of the plug rod 18 is separated from the circular hole 19 of the slot body 13. At this time, the connecting rod 15 and the slider 14 can be pulled on the movable plate 2 for lateral displacement until the plug rod 18 falls into the inner circular hole 19 of the other slot body 13, and the limiting effect of the connecting rod 15 and the slider 14 is locked again; and then through the rotation relationship between the connecting shaft 20 and the U-shaped block 21, the U-shaped block 21 can drive the two clamping heads 6 to rotate to the same angle as the rotation of the micrometer, so that the wires and the meter are always in a vertical state, ensuring the stability of the wire connection;

[0041] On the other hand, after the installation position of the wire is determined, the elastic force of the spring 11 will drive the connecting strip 12 to drive the fixing strip 17 and the connecting rod 15 to descend, thereby causing the rubber block 16 at the bottom end of the connecting rod 15 to be slightly squeezed, and then the connecting rod 15 drives the U-shaped block 21 and the clamping head 6 to slightly move in the extrusion direction at the same time, so that the clamping head 6 applies a tightening force to the connection area of ​​the wire inside the electric meter, preventing the contact area from loosening and causing poor contact, and further ensuring the stability of the wire connection.

[0042] According to the above embodiment, embodiment 2,

[0043] The interiors of the U-shaped block 21 and the clamping head 6 are both hollow and connected to each other. The interior of the clamping head 6 is loaded with coolant. A reaction box 22 is provided inside the U-shaped block 21 and is fixedly connected thereto. A temperature detector 23 is provided above the reaction box 22 and is fixedly connected thereto. The detection part of the temperature detector 23 is located outside the U-shaped block 21 and can detect the temperature of the air around the micrometer in time. The reaction box 22 has an ignition system inside, which can receive the ignition signal transmitted by the temperature detector 23 and start automatically and release a large amount of gas. The interior of the clamping head 6 is provided with a plurality of through holes 24 for the discharge of coolant.

[0044] When the temperature detector 23 detects that the temperature around the circuit breaker and the electric meter is greater than the preset value, the circuit breaker and the electric meter are likely to have caught fire due to a fault. At this time, the temperature detector 23 will send an ignition signal to the reaction box 22, and the reaction box 22 will expand and release a large amount of gas. The gas will drive the coolant inside the clamping head 6 to be discharged from the through hole 24 to the outside, thereby flame retardant the surrounding area of ​​the clamping area, preventing the fire from spreading in time, and improving the safety of daily electricity use of the circuit breaker and the electric meter.

[0045] According to the above embodiment, embodiment 3,

[0046] The through holes 24 are divided into two groups, including an inclined hole 1 25 and an inclined hole 26. The aperture of the inclined hole 1 25 is oriented along the ascending direction of the wire, and the aperture of the inclined hole 26 is oriented along the descending direction of the wire. The special direction and shape of the inclined holes 1 25 and the inclined holes 26 can make the coolant spray out in the different directions of the wire, ensuring that the coolant acts on a wider area and improving the fire retardant effect.

[0047] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connecting device for a micrometer and a circuit breaker, comprising a frame (1), wherein the frame (1) is located at the rear side of the circuit breaker and is slidably connected thereto; Features: The outer wall of the frame (1) is provided with a movable plate (2), the movable plate (2) slides freely on the outer wall of the frame (1), a disc (3) is provided on one side of the movable plate (2), a rotating disk (4) is provided on one side of the disc (3), a fixing plate (5) is provided on the side of the rotating disk (4), the side of the fixing plate (5) has the same cross-section as the protruding area of ​​the frame (1), and the fixing plate (5) is matched with the groove on the rear side of the micrometer; A pair of clamping heads (6) for clamping the electric wires are provided above the movable plate (2), the clamping heads (6) are elastic, a fastening unit (7) for driving the clamping heads (6) to squeeze the electric wires downward is provided above the movable plate (2), and the installation environment of the electric wires is made more stable by the fastening unit (7), a limit block (8) is provided above the disc (3), a plurality of limit holes (9) for inserting the limit blocks (8) are provided inside the disc (3), a connecting block (10) is provided on the outer wall of the limit block (8), the connecting block (10) is located above the movable plate (2) and is fixedly connected thereto, and a spring (11) is provided above the limit block (8); The fastening unit (7) comprises a connecting strip (12) located above the limit block (8), the connecting strip (12) passing through the connecting block (10) and being slidably connected thereto, a groove body (13) being provided on the outer wall of the connecting strip (12), a slider (14) being provided on one side of the groove body (13), the slider (14) being located on the movable plate (2) and being slidably connected thereto, a connecting rod (15) being provided above the slider (14), the bottom end region of the connecting rod (15) being located on the outer wall of the slider (14) and being slidably connected thereto, and the end of the slider (14) being in contact with the connecting rod ( A rubber block (16) is provided between the connecting rod (15), a fixing strip (17) is provided on one side of the connecting rod (15), the fixing strip (17) and the protruding area of ​​the upper end of the connecting rod (12) are mutually clamped, an insertion rod (18) is provided on the outer wall of the connecting rod (12), a plurality of circular holes (19) are provided inside the groove body (13) for inserting the insertion rod (18), a connecting shaft (20) is provided on the upper end of the connecting rod (15), a U-shaped block (21) is provided at the end of the connecting shaft (20), and the ends of the two clamping heads (6) are fixedly connected to the U-shaped block (21); The interiors of the U-shaped block (21) and the clamping head (6) are both hollow cavities and are interconnected. The interior of the clamping head (6) contains a coolant. A reaction box (22) is provided inside the U-shaped block (21). A temperature detector (23) is provided above the reaction box (22). The detection part of the temperature detector (23) is located outside the U-shaped block (21). An ignition system is provided inside the reaction box (22) and can receive an ignition signal transmitted from the temperature detector (23) to automatically start and release gas. A plurality of through holes (24) for discharging the coolant are provided inside the clamping head (6).

2. The connecting device for a micrometer and a circuit breaker according to claim 1, characterized in that: The through holes (24) are divided into two groups, including inclined hole one (25) and inclined hole two (26), the aperture of the inclined hole one (25) is oriented along the ascending direction of the electric wire, and the aperture of the inclined hole two (26) is oriented along the descending direction of the electric wire.

3. The connecting device for a micrometer and a circuit breaker according to claim 1, characterized in that: In a normal state, the elastic force of the spring (11) pushes the limit block (8) to be inserted into the limit hole (9); the end of the limit block (8) is inclined; the inclined surface area of ​​the limit block (8) is aligned with the inner wall edge of the limit hole (9); and the plurality of limit holes (9) are distributed symmetrically around the center.

4. The connecting device for a micrometer and a circuit breaker according to claim 1, characterized in that: In a normal state, the elastic force of the spring (11) pushes the bottom end of the connecting rod (15) to produce a squeezing effect on the rubber block (16).

5. The connection device for a micrometer and a circuit breaker according to claim 1, characterized in that: The fixing strip (17) is elastic, and the fixing strip (17) can drive the connecting strip (12) to rise and fall.

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