CN222280718U

CN222280718U - Waterproof protective housing of smart electric meter

Info

Publication number: CN222280718U
Application number: CN202420844508.9U
Authority: CN
Inventors: 彭瑶; 李云; 张长江
Original assignee: Heze Hexing Electric Meter Co ltd
Current assignee: Heze Hexing Electric Meter Co ltd
Priority date: 2024-04-23
Filing date: 2024-04-23
Publication date: 2024-12-31
Anticipated expiration: 2034-04-23

Abstract

The utility model relates to the technical field of instruments and meters, and discloses a waterproof protective shell of an intelligent electric meter, comprising a bottom cover, the front side of the bottom cover is slidably connected with an upper cover, the back side of the upper cover is provided with four plug-in blocks, the surfaces of the four plug-in blocks are all provided with card slots, the surface of the bottom cover is provided with two sleeves, a waterproof component is provided between the two sleeves, the interiors of the two sleeves are both rotatably connected with cross bars through bearings, and the surfaces of the two cross bars are both provided with cams; the utility model drives the cam to rotate through the cross bar, the cam pulls two pull ropes through two convex parts, the two pull ropes will pull two sliding bars, the moving directions of the two sliding bars are opposite, the two sliding bars will drive the two card blocks to move, so as to cause the two card blocks to disengage from the two card slots, release the card blocks from fixing the plug-in blocks, and then remove the upper cover, so as to realize the disassembly of the upper cover and the bottom cover, without removing a plurality of screws, which is more convenient.

Description

Waterproof protective housing of smart electric meter

Technical Field

The utility model relates to the technical field of instruments and meters, in particular to a waterproof protection shell of an intelligent ammeter.

Background

The ammeter is an abbreviation of electric energy meter, is a meter for measuring electric energy, also called an electric meter, a fire meter, an electric energy meter and a kilowatt hour meter, and refers to a meter for measuring various electric quantities. Because the ammeter generally uses under outdoor environment, and long-term sun-drying rain drenches, it needs to possess certain waterproof nature, and current conventional ammeter does not set up waterproof mechanism, directly relies on the screw to screw tight clamp shell, makes the gap very little between the shell, plays the effect of isolated rainwater.

The utility model discloses an anti-impact waterproof ammeter shell with the application number of CN202222823849.1, which comprises a bottom cover and an upper cover, the bottom cover upper end is provided with an annular groove, the upper cover lower end is provided with a lug which is matched with the annular groove, clamping grooves are symmetrically arranged on the lug, the clamping grooves are inwards and downwards obliquely arranged, sealing strips are clamped on the lug, clamping strips are symmetrically arranged in the middle of the sealing strips, the clamping strips are arranged in the clamping grooves, the top of the upper cover is provided with a connecting part, a screw hole is arranged in the connecting part, the upper cover is connected with the bottom cover through a screw, the screw is arranged in the screw hole, a sleeve block is sleeved on the upper end of the screw hole, a hanging hole is arranged on the bottom cover, an elastic buffer block is arranged at the bottom and the side edge of the bottom cover, the sealing strips on the lug are clamped into the annular groove, the gaps between the lug and the annular groove are further reduced through flexible sealing strips, and the waterproof sealing performance is further improved, and the elastic buffer blocks arranged at the two sides and the bottom of the bottom can further buffer the shell when the shell is impacted.

However, the above-mentioned manner has the disadvantage that the bottom cover and the upper cover are fixed by a plurality of screws, which is inconvenient to install and cumbersome to detach.

Disclosure of Invention

The utility model aims to provide a waterproof protection shell of an intelligent ammeter, which has the effect of convenient assembly and disassembly.

The technical aim of the utility model is achieved through the following technical scheme that the waterproof protection shell of the intelligent ammeter comprises a bottom cover, wherein the front surface of the bottom cover is connected with an upper cover in a sliding manner, the back surface of the upper cover is provided with four inserting blocks, clamping grooves are formed in the surfaces of the four inserting blocks, two sleeves are arranged on the surface of the bottom cover, a waterproof component is arranged between the two sleeves, cross bars are rotatably connected inside the two sleeves through bearings, cams are arranged on the surfaces of the two cross bars, two lugs and two 匚 plates are arranged on the surfaces of the two cams, pull ropes are arranged on one sides of the four lugs, sliding rods are arranged at one ends of the four pull ropes, clamping blocks clamped with the clamping grooves are arranged at one ends of the four sliding rods, and reset springs are arranged between the four clamping blocks and the corresponding sleeves.

The utility model is further characterized in that four slots are formed in the surface of the bottom cover, the inner walls of the four slots are respectively connected with the surfaces of the four inserting blocks in a sliding mode, right-angle frames are arranged at the top end and the bottom end of the bottom cover, mounting holes are formed in the surfaces of the four right-angle frames, four limit grooves are formed in the bottom cover, and the front faces of the four clamping blocks are inclined planes.

The utility model is further provided with: the inner walls of the four limit grooves are respectively connected with the surfaces of the four clamping blocks in a sliding manner, the interiors of the four limit grooves are respectively communicated with the interiors of the four slots, the four limit grooves are respectively sleeved outside the four reset springs, and the four reset springs are respectively sleeved outside the four sliding rods.

The utility model is further provided with two stay ropes which are respectively wound at two convex parts of one cam, the other two stay ropes are respectively wound at two convex parts of the other cam, and the surfaces of the four stay ropes are respectively connected with the inner walls of the four 匚 plates in a sliding way.

The utility model is further provided with two sliding holes on the surfaces of the four sleeves, and the inner walls of the four sliding holes are respectively connected with the surfaces of the four sliding rods in a sliding way.

The utility model is further arranged that one ends of the two cross bars penetrate through the inner wall of one end of the corresponding sleeve and are arranged outside the sleeve, and one ends of the two cross bars are provided with turntables.

The utility model is further characterized in that the front surface of the upper cover is respectively provided with a display screen and a button, the bottom end of the upper cover is provided with a mounting groove, the inner wall of the mounting groove is provided with a junction box, both sides of the upper cover are embedded with cooling fins, and the surface of the upper cover is provided with two anti-collision grooves which slide with the surface of the sleeve.

The waterproof assembly is further arranged in the mode that the waterproof assembly comprises a mouth-shaped groove, the mouth-shaped groove is formed in the front face of the bottom cover, a first sealing ring is arranged on the inner wall of the mouth-shaped groove, the front face of the first sealing ring is connected with a second sealing ring sliding with the mouth-shaped groove in a sliding mode, and the front face of the second sealing ring is connected with the back face of the upper cover.

In summary, the utility model has the advantages that the cam is driven to rotate by the cross rod, the cam pulls the two pull ropes through the two convex parts, the two pull ropes pull the two slide bars, the moving directions of the two slide bars are opposite, the two slide bars drive the two clamping blocks to move, the two clamping blocks are separated from the two clamping grooves, the clamping blocks are released from fixing the inserting blocks, the upper cover is removed, the upper cover and the bottom cover are detached, a plurality of screws are not required to be detached, the convenience is improved, the inserting blocks push the clamping blocks through the inclined planes, the clamping blocks are enabled to retract into the limiting grooves until the clamping blocks are propped against by the inserting blocks, the restoring springs extend and push the clamping blocks to move, the inserting blocks are enabled to be clamped into the clamping grooves, and the fixing is completed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of one embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a second schematic side sectional view of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present utility model;

Fig. 6 is a schematic view of the structure of the cam of the present utility model.

1, A bottom cover, 2, an upper cover, 3, an inserting block, 4, a radiating fin, 5, a sleeve, 6, a waterproof component, 601, a mouth-shaped groove, 602, a first sealing ring, 603, a second sealing ring, 7, a cross rod, 8, a cam, 9, a convex block, 10, 匚 plates, 11, a pull rope, 12, a sliding rod, 13, a clamping block, 14, a return spring, 15, a slot, 16, a right-angle frame, 17, a limit groove, 18, a sliding hole, 19, a turntable, 20, a display screen, 21, a button, 22, a mounting groove, 23, a junction box, 24 and an anti-collision groove.

Detailed Description

The present utility model will be further described with reference to the drawings in the embodiments of the present utility model.

Referring to fig. 1-6, in an embodiment of the utility model, a waterproof protection casing of a smart meter includes a bottom cover 1, a front side of the bottom cover 1 is slidably connected with an upper cover 2, four insertion blocks 3 are fixedly arranged on a back side of the upper cover 2, clamping grooves are respectively formed on surfaces of the four insertion blocks 3, two sleeves 5 are fixedly arranged on the surface of the bottom cover 1, a waterproof assembly 6 is arranged between the two sleeves 5, cross bars 7 are respectively connected to the interiors of the two sleeves 5 through bearing rotation, cams 8 are respectively fixedly arranged on the surfaces of the two cross bars 7, two protruding blocks 9 and two 匚 plates 10 are respectively fixedly arranged on the surfaces of the two cams 8, pull ropes 11 are respectively fixedly arranged on one sides of the four protruding blocks 9, sliding rods 12 are respectively fixedly arranged at one ends of the four pull ropes 11, clamping blocks 13 which are respectively clamped with the clamping grooves are respectively fixedly arranged at one ends of the four sliding rods 12, and reset springs 14 are respectively fixedly arranged between the four clamping blocks 13 and the corresponding sleeves 5.

In this embodiment, preferably, four slots 15 are provided on the surface of the bottom cover 1, the inner walls of the four slots 15 are respectively in sliding connection with the surfaces of the four inserting blocks 3, right angle frames 16 are fixedly provided at the top and bottom ends of the bottom cover 1, mounting holes are provided on the surfaces of the four right angle frames 16, four limit grooves 17 are provided in the bottom cover 1, inclined planes are provided on the front surfaces of the four clamping blocks 13, the four inserting blocks 3 slide into the four slots 15, positioning of the upper cover 2 is completed, the upper cover 2 and the bottom cover 1 are aligned conveniently, and mounting efficiency is improved.

In this embodiment, preferably, the inner walls of the four limit grooves 17 are slidably connected with the surfaces of the four clamping blocks 13, the interiors of the four limit grooves 17 are respectively communicated with the interiors of the four slots 15, the four limit grooves 17 are respectively sleeved outside the four return springs 14, the four return springs 14 are respectively sleeved outside the four slide bars 12, and the limit grooves 17 abut against the clamping blocks 13 after the clamping blocks 13 move downwards by a certain distance, so that the return springs 14 are prevented from being excessively compressed.

In this embodiment, preferably, two pull ropes 11 are respectively wound around two convex portions of one cam 8, the other two pull ropes 11 are respectively wound around two convex portions of the other cam 8, the surfaces of the four pull ropes 11 are respectively in sliding connection with the inner walls of the four 匚 plates 10, when one cam 8 rotates, the two pull ropes 11 are pulled through the two convex portions, the 匚 plates 10 pull the middle portion of the pulled rope 11 through the inner walls of the two pull ropes, so that the pulled rope 11 can be pulled to further wind around the surface of the cam 8, and the sliding rod 12 is pulled.

In this embodiment, preferably, two sliding holes 18 are formed on the surfaces of the four sleeves 5, the inner walls of the four sliding holes 18 are respectively slidably connected with the surfaces of the four sliding rods 12, and the sliding holes 18 guide the movement of the sliding rods 12.

In this embodiment, preferably, one ends of the two cross bars 7 penetrate through the inner wall of one end of the corresponding sleeve 5 and are arranged outside the sleeve 5, one ends of the two cross bars 7 are fixedly provided with turntables 19, and the moment when the cross bars 7 are rotated is increased through the turntables 19, so that the cross bars 7 and the cams 8 are conveniently rotated.

In this embodiment, preferably, the front of the upper cover 2 is fixedly provided with a display screen 20 and a button 21 respectively, the bottom end of the upper cover 2 is provided with a mounting groove 22, a junction box 23 is arranged at the convex part of the inner wall of the mounting groove 22, two sides of the upper cover 2 are embedded with cooling fins 4, two anti-collision grooves 24 sliding with the surface of the sleeve 5 are formed in the surface of the upper cover 2, wiring is conducted through terminals on the junction box 23, and the anti-collision grooves 24 are attached to the surface of the sleeve 5 when the bottom cover 1 and the upper cover 2 are assembled, so that the sleeve 5 is prevented from obstructing alignment of the bottom cover 1 and the upper cover 2.

In this embodiment, preferably, the waterproof assembly 6 includes a mouth-shaped groove 601, the mouth-shaped groove 601 is formed in the front face of the bottom cover 1, a first sealing ring 602 is disposed on the inner wall of the mouth-shaped groove 601, a second sealing ring 603 sliding with the mouth-shaped groove 601 is slidably connected to the front face of the first sealing ring 602, the front face of the second sealing ring 603 is connected to a convex portion on the back face of the upper cover 2, when the upper cover 2 is aligned with the bottom cover 1, the second sealing ring 603 can clamp the inside of the mouth-shaped groove 601 and compress the first sealing ring 602, sealing between the upper cover 2 and the bottom cover 1 is achieved, and waterproof performance is enhanced.

When the rotary table 19 is used, the rotary table 19 drives the cam 8 to rotate through the cross rod 7, the cam 8 pulls the two pull ropes 11 through the two convex parts, the two pull ropes 11 pull the two slide bars 12, the moving directions of the two slide bars 12 are opposite, the two slide bars 12 drive the two clamping blocks 13 to move, the two clamping blocks 13 are caused to be separated from the two clamping grooves, the fixing of the clamping blocks 13 to the inserting blocks 3 is released, then the upper cover 2 is taken down, the upper cover 2 and the bottom cover 1 are detached, a plurality of screws are not required to be detached, and the rotary table is more convenient;

Further, the front faces of the four clamping blocks 13 are all set to be inclined planes, when the upper cover 2 and the bottom cover 1 are installed, the upper cover 2 is moved, the four inserting blocks 3 are pushed through the upper cover 2, the four inserting blocks 3 are enabled to slide into the interiors of the four slots 15, positioning of the upper cover 2 is completed, installation efficiency is improved, the four clamping blocks 13 are pushed through the inclined planes when the four inserting blocks 3 move, the four clamping blocks 13 are enabled to retract into the interiors of the four limiting grooves 17 until the clamping blocks 13 are propped against by the slots 15, the clamping grooves are aligned with the inserting blocks 3, the reset springs 14 stretch and push the clamping blocks 13 to move, the inserting blocks 3 are enabled to be clamped into the clamping grooves, and fixing is completed, so that when the upper cover 2 and the bottom cover 1 are installed, a plurality of screws are not needed to be screwed, the process of manually rotating the turntable 19 is omitted, and convenience is achieved.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

Claims

1. A waterproof protective shell of a smart meter, comprising a bottom cover (1), characterized in that: the front of the bottom cover (1) is slidably connected to an upper cover (2), the back of the upper cover (2) is provided with four plug-in blocks (3), the surfaces of the four plug-in blocks (3) are all provided with slots, the surface of the bottom cover (1) is provided with two sleeves (5), a waterproof component (6) is provided between the two sleeves (5), the interiors of the two sleeves (5) are rotatably connected to a cross bar (7) through a bearing, the surfaces of the two cross bars (7) are provided with cams (8), the surfaces of the two cams (8) are provided with two protrusions (9) and two 匚-shaped plates (10), one side of the four protrusions (9) is provided with a pull rope (11), one end of the four pull ropes (11) is provided with a slide bar (12), one end of the four slide bars (12) is provided with a block (13) engaged with the slot, and a reset spring (14) is provided between the four blocks (13) and the corresponding sleeves (5).

2. A waterproof protective shell for a smart meter according to claim 1, characterized in that: the surface of the bottom cover (1) is provided with four slots (15), the inner walls of the four slots (15) are respectively slidably connected to the surfaces of four plug blocks (3), the top and bottom ends of the bottom cover (1) are provided with right-angle brackets (16), the surfaces of the four right-angle brackets (16) are provided with mounting holes, the interior of the bottom cover (1) is provided with four limit grooves (17), and the front surfaces of the four blocks (13) are all set as inclined surfaces.

3. A waterproof protective shell for a smart meter according to claim 2, characterized in that: the inner walls of the four limit grooves (17) are respectively slidably connected to the surfaces of the four blocks (13), the interiors of the four limit grooves (17) are respectively connected to the interiors of the four slots (15), the four limit grooves (17) are respectively sleeved on the outside of the four return springs (14), and the four return springs (14) are respectively sleeved on the outside of the four slide bars (12).

4. A waterproof protective shell for a smart meter according to claim 1, characterized in that: two of the pull ropes (11) are respectively wound around two protrusions of one of the cams (8), and the other two pull ropes (11) are respectively wound around two protrusions of another cam (8), and the surfaces of the four pull ropes (11) are respectively slidably connected to the inner walls of four 匚-shaped plates (10).

5. A waterproof protective housing for a smart meter according to claim 1, characterized in that: the surfaces of the four sleeves (5) are each provided with two sliding holes (18), and the inner walls of the four sliding holes (18) are respectively slidably connected to the surfaces of four sliding rods (12).

6. A waterproof protective housing for a smart meter according to claim 1, characterized in that one end of the two cross bars (7) penetrates through the inner wall of one end of the corresponding sleeve (5) and is placed outside the sleeve (5), and one end of the two cross bars (7) is provided with a turntable (19).

7. A waterproof protective housing for a smart meter according to claim 1, characterized in that: a display screen (20) and a button (21) are respectively provided on the front of the upper cover (2), a mounting groove (22) is provided at the bottom end of the upper cover (2), a junction box (23) is provided on the inner wall of the mounting groove (22), heat sinks (4) are embedded on both sides of the upper cover (2), and two anti-collision grooves (24) sliding with the surface of the sleeve (5) are provided on the surface of the upper cover (2).

8. A waterproof protective shell for a smart meter according to claim 1, characterized in that: the waterproof component (6) comprises a mouth-shaped groove (601), the mouth-shaped groove (601) is opened on the front side of the bottom cover (1), the inner wall of the mouth-shaped groove (601) is provided with a first sealing ring (602), the front side of the first sealing ring (602) is slidably connected to a second sealing ring (603) that slides with the mouth-shaped groove (601), and the front side of the second sealing ring (603) is connected to the back side of the upper cover (2).