CN219798376U - High protection strapping table - Google Patents

Abstract

The utility model discloses a high-protection meter, which comprises a first shell and a second shell, wherein the second shell laterally enters the first shell, the first shell comprises a shell cover and a side cover, the shell cover is provided with a first opening and a second opening which are communicated, the first opening faces to the side edge of the shell cover, and the side cover is detachably arranged at the first opening of the shell cover; the second shell comprises a closing piece which is connected with the shell cover to close the second opening; the buckling assembly comprises a buckling rail part and a buckling claw part, the buckling rail part is constructed on the inner side wall of the shell cover and extends in the depth direction of the shell cover, the buckling claw part is constructed on the second shell, and the buckling claw part is buckled with the buckling rail part. According to the utility model, through arranging the meter structure with the side edge entering, the waterproof design is more reasonable, and the shell cover can be well folded and assembled by matching with the buckling component, so that a good waterproof effect is brought; on the other hand, the length of the gauge in the left-right direction can be effectively reduced, and the installation quantity of a plurality of gauges in unit length is further improved.

Description

High protection strapping table

Technical Field

The utility model relates to the technical field of meters, in particular to a high-protection meter.

Background

The instruments and meters are generally used for measuring the total amount (accumulated amount) of units to be measured in a pipeline within a certain time interval, such as metering instruments and devices of electric meters, water meters, gas meters and the like, and generally, the metering instruments and devices are often placed in an external space and can be corroded by rainwater, so that the metering instruments and the devices are required to have high waterproof performance.

The prior meter terminal interface structure has more exposure, the volume of the meter body structure is larger, and the unreasonable structural design leads to poor waterproof performance of internal electric devices, so according to the situation, a high-protection meter needs to be designed.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a high-protection meter.

The utility model solves the technical problems by adopting the following technical scheme:

a high protection meter, comprising a first housing and a second housing, the second housing laterally entering the first housing and being snap-fit with the first housing, wherein:

the first shell comprises a shell cover and a side cover, the shell cover is provided with a first opening and a second opening which are communicated, the first opening faces to the side edge of the shell cover, and the side cover is detachably arranged in the first opening of the shell cover;

the second shell comprises a closing piece, and the closing piece is connected with the shell cover to close the second opening;

the novel portable electronic device comprises a shell cover, and is characterized by further comprising a buckling assembly, wherein the buckling assembly comprises a buckling rail part and a buckling claw part, the buckling rail part is constructed on the inner side wall of the shell cover and extends in the depth direction of the shell cover, the buckling claw part is constructed on the second shell, and the buckling claw part is buckled with the buckling rail part.

Preferably, the buckling component comprises a first buckling rail and a first buckling claw, and the first buckling rail is positioned on the inner side wall of the second opening of the shell cover.

Preferably, the cover is formed with a long plate, the buckling assembly comprises a second buckling rail and a second buckling claw, and the second buckling rail is configured on one side of the inner side wall of the long plate.

Preferably, the buckling component comprises a buckling arm constructed on the second shell, and further comprises a buckling groove constructed on the inner side wall of the shell cover and matched with the buckling arm.

Preferably, the buckling arm is connected with the buckling claw part, an auxiliary rail is further constructed on the inner side wall of the shell cover, the buckling rail part and the auxiliary rail form a rail, and the buckling claw part and the buckling arm are connected with the rail in a matched mode.

Preferably, the second housing includes a terminal base and a terminal cover, the terminal base includes a first structure and a second structure, the first structure of the terminal base is disposed in the terminal cover, the first structure of the terminal base is buckled with the terminal cover, and the buckling claw portion is formed in the second structure of the terminal base.

Preferably, the closing member includes a third fastening claw configured on the terminal seat, a fourth fastening claw configured on the terminal cover, and a third fastening rail formed on an inner wall of the housing cover, wherein the third fastening claw and the fourth fastening claw extend in the same direction, and the third fastening rail fastens the third fastening claw and the fourth fastening claw.

Preferably, the terminal cover includes an end surface connected to the first housing, and the closing member includes a stepped portion formed on the end surface.

Preferably, the terminal cover comprises a body and a cover body, a fixing piece for fixing the terminal sleeve is arranged between the first structure of the terminal seat and the body of the terminal cover, the body is provided with a first interface at a position corresponding to the fixing piece, the terminal seat is provided with a first through hole in cooperation with the body of the terminal cover, an auxiliary terminal is detachably arranged in the first through hole, the first interface and an external through hole of the first through hole are positioned in a space formed by encircling the cover body and the body, a second through hole is formed by matching the body with the terminal seat, a movable rubber plug is arranged in the second through hole, and the cover body is provided with a contact capable of contacting with the rubber plug.

Preferably, the first through hole includes a first hole formed in the terminal block and a second hole formed in the body, the auxiliary terminal is disposed in the first hole, a clamping point is configured at one end of the auxiliary terminal, and a first elastic arm matched with the clamping point is formed at an inner opening position of the first hole of the terminal block.

The utility model has the advantages and positive effects that:

1. according to the utility model, through arranging the meter structure with the side edge entering, the waterproof design is more reasonable, and the shell cover can be well folded and assembled by matching with the buckling component, so that a good waterproof effect is brought; on the other hand, the length of the gauge in the left-right direction can be effectively reduced, and the installation quantity of a plurality of gauges in unit length is further improved.

2. According to the utility model, the terminal is arranged in the second shell through the matching of the terminal seat, the shell and the cover body and the auxiliary terminal arranged on the terminal seat and the cover body, so that the possibility that external rainwater contacts the terminal interface is reduced, and the waterproof performance is greatly improved.

Drawings

FIG. 1 is an exploded schematic view of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic diagram of a housing cover in accordance with the present utility model;

FIG. 4 is an isometric view of a terminal block and terminal cover combination in accordance with the present utility model;

FIG. 5 is an isometric view of a terminal block of the present utility model;

fig. 6 is an isometric view of a terminal cover body in accordance with the present utility model;

FIG. 7 is a partial cross-sectional view of the present utility model;

fig. 8 is a first sectional view of the terminal block and terminal cover combination of the present utility model;

fig. 9 is a second cross-sectional view of the terminal block and terminal cover combination of the present utility model.

In the figure: 100. a first housing; 110. a cover; 110a, a long plate; 110b, secondary rails; 111. a first opening; 112. a second opening; 113. a front plate; 114. a rear plate; 115. a right plate; 116. an upper plate; 120. a side cover;

200. a second housing; 210. a closure; 211. a step part; 220. a terminal base; 220a, a first structure; 220b, a second structure; 221. a first elastic arm; 222. a baffle; 223. a third latch; 224. a fourth latch; 225. a third buckling rail; 226. a fourth buckling rail; 227. a fifth latch; 228. a fourth elastic arm; 229. a fifth elastic arm; 230. a terminal cover; 231. a body; 2311. a first interface; 2312. sinking grooves; 232. a cover body; 2321. a contact; 2322. a second interface;

300. a buckling component; 310. a rail buckling part; 310a, male rails; 311. a first buckling rail; 312. a second buckling rail; 320. a buckling claw part; 320a, prongs; 321. a first latch; 322. a second latch; 331. a buckling arm; 331a, a second elastic arm; 331b, a third elastic arm; 332. a buckling groove; 40. a fixing member; 41. a first fixing ring; 42. a second fixing ring;

50. a first through hole; 51. a first hole; 52. a second hole;

60. a second through hole; 61. a third hole; 62. a fourth hole;

71. an auxiliary terminal; 71a, stuck point; 72. a rubber plug; 72a, a peripheral portion; 72b, a plug portion.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Embodiments of the utility model are described in further detail below with reference to the attached drawing figures:

a high protection meter, comprising a first housing 100 and a second housing 200, the second housing 200 laterally entering the first housing 100 and being snap-fit with the first housing 100, wherein:

the first casing 100 includes a casing cover 110 and a side cover 120, the casing cover 110 is formed with a first opening 111 and a second opening 112 which are communicated, the first opening 111 faces the side edge of the casing cover 110, and the side cover 120 is detachably mounted on the first opening 111 of the casing cover 110;

the second housing 200 includes a closure member 210, the closure member 210 interfacing with the housing cover 110 to close the second opening 112;

the fastening assembly 300 further comprises a fastening rail portion 310 and a fastening claw portion 320, the fastening rail portion 310 is configured on the inner side wall of the housing cover 110 and extends in the depth direction of the housing cover 110, the fastening claw portion 320 is configured on the second housing 200, and the fastening claw portion 320 is fastened with the fastening rail portion 310.

As shown in fig. 1, the whole meter is in a rectangular parallelepiped shape, the first casing 100 and the second casing 200 are shortest in the left-right direction, the inner space of the first casing 100 is used for preventing electric devices such as a circuit board, the casing cover 110 comprises a front plate 113, a rear plate 114, a right plate 115 and an upper plate 116, the left side of the casing cover 110 is a first opening 111, and the lower side is a second opening 112;

the second housing 200 moves from the left side of the housing cover 110 to the right side, and enters the housing cover 110, and the closing member 210 of the second housing 200 is connected with the housing cover 110, so as to close the second opening 112;

the side cover 120 is a left side plate of the first casing 100, and the side cover 120 is mounted on the casing cover 110 to close the first opening 111, so that a meter is formed by combination;

as shown in fig. 3, the inner side wall of the front plate 113 of the cover 110 is configured with a buckling rail portion 310, the buckling rail portion 310 extends horizontally from the first opening 111 to the right plate 115, a convex rail 310a is formed on the upper side of the buckling rail portion 310, as shown in fig. 4, buckling claw portions 320 are configured on the left and right sides of the second housing 200, a convex claw 320a is formed on the lower side of the buckling claw portions 320, and referring to fig. 2, in the installation process, the buckling claw portions 320 are attached to the buckling rail portion 310 and slide, and the convex claw 320a is matched with the convex rail 310a to realize buckling of the first housing 100 and the second housing 200;

through the meter structure with the side edge entering, the waterproof design is more reasonable, and the shell cover 110 can be well folded and assembled by matching with the buckling component 300, so that a good waterproof effect is brought; on the other hand, the length of the gauge in the left-right direction can be effectively reduced, and the installation quantity of a plurality of gauges in unit length is further improved.

In addition, in another embodiment, the fastening assembly 300 includes a first fastening rail 311 and a first fastening claw 321, wherein the first fastening rail 311 is configured on an inner sidewall of the housing cover 110 at the second opening 112.

The cover 110 is formed with a long plate 110a, and the fastening assembly 300 includes a second fastening rail 312 and a second fastening claw 322, where the second fastening rail 312 is located at one side of the inner sidewall of the long plate 110 a.

As shown in fig. 3, the inner side wall of the front plate 113 of the cover 110 is configured with a first buckling rail 311, the inner side wall of the rear plate 114 is configured with a second buckling rail 312, the first buckling rail 311 and the second buckling rail 312 horizontally extend from the first opening 111 to the right plate 115, and the upper sides of the first buckling rail 311 and the second buckling rail 312 both form a convex rail 310a;

as shown in fig. 4, a first buckling claw 321 matched with the first buckling rail 311 is configured on the right side of the second housing 200, a second buckling claw 322 matched with the second buckling rail 312 is configured on the left side of the second housing 200, the first buckling claw 321 is higher than the second buckling claw 322 in horizontal height, a convex claw 320a is formed on the lower sides of the first buckling claw 321 and the second buckling claw 322, and referring to fig. 2, in the installation process, the first buckling rail 311 slides in a fitting way with the first buckling claw 321, the second buckling rail 312 slides in a fitting way with the second buckling claw 322, and the convex claw 320a cooperates with the convex rail 310a to realize buckling of the first housing 100 and the second housing 200;

as shown in fig. 3, the lengths of the front plate 113, the right plate 115 and the rear plate 114 are increased one by one, the portion of the rear plate 114 longer than the right plate 115 is a long plate 110a, the first buckling rail 311 is positioned at the lower end of the inner side wall of the front plate 113, the second buckling rail 312 is positioned at the upper side of the inner side wall of the long plate 110a, and the second buckling rail 312 is slightly higher than the horizontal position of the lower end of the right plate 115; in addition, in another embodiment, the rear plate 114 is a long plate 110a as a whole, and the second fastening rail 312 is located at the lower side of the inner sidewall of the long plate 110 a; through setting up first knot rail 311 at front bezel 113 lower extreme, second knot rail 312 sets up in long board 110a downside, installation that can be better realize second casing 200 to and reverse the first casing 100 of drawing in through second casing 200, better realization equipment and the effect of drawing in.

In addition, in another embodiment, the fastening assembly 300 includes a fastening arm 331 configured on the second housing 200, and a fastening slot 332 configured on the inner sidewall of the housing cover 110 and engaged with the fastening arm 331.

As shown in fig. 1, the buckling arm 331 extends horizontally in the left-right direction, the buckling arm 331 includes a second elastic arm 331a and a third elastic arm 331b, and has elastic potential energy in a deformed state, and is located at the front and rear sides of the second housing 200, the buckling groove 332 is disposed in the housing cover 110, and after the second housing 200 enters the corresponding position of the housing cover 110, the buckling arm 331 is buckled with the buckling groove 332, so as to fix the housing cover 110 and the second housing 200.

The latch arm 331 is connected to the latch claw 320, the inner side wall of the case cover 110 is further configured with a sub rail 110b, the latch rail 310 and the sub rail 110b form a track, and the latch claw 320 is cooperatively connected to the latch arm 331.

As shown in fig. 4, the second elastic arm 331a is connected to the first buckling claw 321 and extends in the same direction, the third elastic arm 331b is connected to the second buckling claw 322 and extends in the same direction, as shown in fig. 3, the auxiliary rail 110b is located at the upper side of the buckling rail portion 310, the auxiliary rail 110b protrudes out of the inner side wall of the shell cover 110, and forms a track from the first opening 111 to the inside of the shell cover 110 together with the first buckling rail 311 and the second buckling rail 312 which protrude out, referring to fig. 2, the first buckling claw 321 is slidably connected with the first buckling rail 311 and buckled, the second buckling claw 322 is slidably connected with the second buckling rail 312 and buckled, and the upper sides of the second elastic arm 331a and the third elastic arm 331b are slidably connected with the lower side surface of the auxiliary rail 110 b; through buckling rail portion 310 and vice rail 110b cooperation, buckling arm 331 and buckling claw portion 320 are spacing for overall connection structure possesses better effect of drawing in more stable the time, and on the other hand, second casing 200 is airtight more with the gap face of first casing 100, has promoted the water-proof effects greatly.

In addition, in another embodiment, the second housing 200 includes a terminal block 220 and a terminal cover 230, the terminal block 220 includes a first structure 220a and a second structure 220b, the first structure 220a of the terminal block 220 is disposed in the terminal cover 230, the first structure 220a of the terminal block 220 is engaged with the terminal cover 230, and the engaging portion 320 is formed on the second structure 220b of the terminal block 220.

As shown in fig. 5, the first structure 220a at the lower side of the terminal block 220 is connected to the terminal cover 230, and the second structure 220b at the upper side is configured with a latch portion 320 and a latch arm 331, and is further connected to the housing cover 110, and is located in the terminal cover 230; the left and right sides of the first structure 220a are respectively formed with a fourth elastic arm 228 and a fifth elastic arm 229, and the buckling directions of the fourth elastic arm 228 and the fifth elastic arm 229 are opposite; as shown in fig. 6, grooves respectively engaged with the fourth elastic arm 228 and the fifth elastic arm 229 are formed on the left and right sides of the terminal cover 230, and referring to fig. 4, the terminal base 220 and the terminal cover 230 move up and down relatively when mounted, thereby achieving engagement;

in addition, in another embodiment, the closing member 210 includes a third locking claw 223 configured on the terminal block 220, a fourth locking claw 224 configured on the terminal cover 230, a third locking rail 225 formed on the inner wall of the housing cover 110, the third locking claw 223 and the fourth locking claw 224 extending in the same direction, and the third locking rail 225 locking the third locking claw 223 and the fourth locking claw 224.

As shown in fig. 5, the third locking claw 223 is configured on the rear side of the terminal block 220 and extends in the left-right direction, as shown in fig. 6, the fourth locking claw 224 is configured on the rear side of the terminal cover 230 and extends in the left-right direction, and similarly, the rear side of the terminal cover 230 is further configured with a sinking groove 2312 at the position of the fourth locking claw 224, and referring to fig. 4, the terminal block 220 is mounted with the terminal cover 230 from top to bottom, the third locking claw 223 is positioned in the sinking groove 2312, and the third locking claw 223 and the fourth locking claw 224 form a unity and are locked with the third locking rail 225;

as shown in fig. 7, the fastening opening of the third fastening rail 225 faces downward, and the fastening direction of the second fastening rail 312 faces upward, so as to form a reverse fit; the cover 110 is further provided with a fourth buckling rail 226, the terminal cover 230 is provided with a fifth buckling claw 227, the fourth buckling rail 226 is buckled with the fifth buckling claw 227, the fourth buckling rail 226 faces upwards, and further the fourth buckling rail 226 and the third buckling rail 225 are in reverse fit.

In addition, in another embodiment, the terminal cover 230 includes an end surface that interfaces with the first housing 100, and the closure 210 includes a stepped portion 211 formed at the end surface.

As shown in fig. 6, the stepped portion 211 of the terminal cover 230 is located at an upper end surface, and includes a first stepped surface and a second stepped surface, the first stepped surface is lower than the second stepped surface, and referring to fig. 2 and 3, the upper end surface of the terminal cover 230 is connected to a lower end surface of the cover 110, and the lower end of the cover 110 is connected to the first stepped surface and the second stepped surface, respectively, so that a good waterproof structure is formed.

In addition, in another embodiment, the terminal cover 230 includes a body 231 and a cover 232, a fixing member 40 for fixing a terminal sleeve is disposed between the first structure 220a of the terminal base 220 and the body 231 of the terminal cover 230, the body 231 is provided with a first interface 2311 at a position corresponding to the fixing member 40, the terminal base 220 and the body 231 of the terminal cover 230 are cooperatively formed with a first through hole 50, an auxiliary terminal 71 is detachably mounted in the first through hole 50, the first interface 2311 and an external through hole of the first through hole 50 are located in a space formed by enclosing the cover 232 and the body 231, the body 231 is formed with a second through hole 60, a movable rubber plug 72 is disposed in the second through hole 60, and the cover 232 is configured with a contact 2321 capable of contacting with the rubber plug 72.

The first through hole 50 includes a first hole 51 formed in the terminal block 220 and a second hole 52 formed in the body 231, the auxiliary terminal 71 is provided in the first hole 51, a locking point 71a is formed at one end of the auxiliary terminal 71, and the terminal block 220 is formed with a first elastic arm 221 engaged with the locking point 71a at an inner opening position of the first hole 51.

As shown in fig. 1, the cover 232 of the terminal cover 230 is located at the lower side of the body 231, one end of the cover 232 is rotatably connected with the body 231, the other end of the cover 232 is connected with the body 231 through a bolt, as shown in fig. 7, the cover 232 and the body 231 enclose a certain space, and a second interface 2322 is arranged at the lower side of the cover 232 and used for connecting external equipment;

as shown in fig. 8, the fixing member 40 includes a first fixing ring 41 on the lower side of the first structure 220a of the terminal base 220, and a second fixing ring 42 on the inner side of the body 231 of the terminal cover 230, wherein the first fixing ring 41 and the second fixing ring 42 vertically correspond to each other to position the terminal cover, and as shown in fig. 6, the rear side of the second fixing ring 42 is provided with a first interface 2311 penetrating through the body 231;

as shown in fig. 8, the first hole 51 penetrates the terminal block 220 up and down, the second hole 52 penetrates the body 231 up and down, the aperture of the first hole 51 is larger than that of the second hole 52, and the lower end of the auxiliary terminal 71 is limited by the aperture matching of the first hole 51 and the second hole 52; the upper end of the auxiliary terminal 71 is concaved inwards to form a clamping point 71a, the first elastic arm 221 is positioned on the upper side of the terminal seat 220 and aligned with the upper side through opening of the first hole 51, and the first elastic arm 221 is matched with the clamping point 71a through position, so that the upper side of the auxiliary terminal 71 is limited; as shown in fig. 7, the external opening at the lower side of the first through hole 50 is located in a space defined by the cover 232 and the body 231.

As shown in fig. 9, the second through hole 60 horizontally penetrates the body 231 and the terminal seat 220 in the front-rear direction, the second through hole 60 includes a third hole 61 penetrating the terminal seat 220 and a fourth hole 62 penetrating the body 231, the rubber plug 72 is mounted in the third hole 61, the peripheral portion 72a of the rubber plug 72 is connected with the terminal seat 220 to form positioning, the bolt portion 72b of the rubber plug 72 can move back and forth in the third hole 61, the terminal seat 220 is provided with a baffle 222, the electric switch is located between the baffle 222 and the bolt portion 72b, the front elastic end of the electric switch is connected with the bolt portion 72b, the upper side of the cover 232 is provided with a contact 2321 corresponding to the position of the rubber plug 72, in the closed state of the cover 232, the contact 2321 can enter the fourth hole 62 and contact the rubber plug 72 of the third hole 61, the bolt portion 72b is driven to move backward to act on the elastic end, and then the electric switch is opened, in the open state of the cover 232, the rubber plug 72 is not stressed by the contact 2321, and then the electric switch is not stressed by the external force, and the electric switch is in the closed state.

It should be emphasized that the examples described herein are illustrative rather than limiting, and therefore the utility model is not limited to the examples described in the detailed description, but rather falls within the scope of the utility model as defined by other embodiments derived from the technical solutions of the utility model by those skilled in the art.

Claims (10)

1. A high protection meter, characterized by comprising a first housing (100) and a second housing (200), the second housing (200) laterally entering the first housing (100) and being snap-fit with the first housing (100), wherein:

the first shell (100) comprises a shell cover (110) and a side cover (120), the shell cover (110) is provided with a first opening (111) and a second opening (112) which are communicated, the first opening (111) faces to the side edge of the shell cover (110), and the side cover (120) is detachably arranged at the first opening (111) of the shell cover (110);

-the second housing (200) comprises a closure member (210), the closure member (210) being in engagement with the housing cover (110) to close the second opening (112);

the novel portable electronic device further comprises a buckling assembly (300), the buckling assembly (300) comprises a buckling rail portion (310) and a buckling claw portion (320), the buckling rail portion (310) is configured on the inner side wall of the shell cover (110) and extends in the depth direction of the shell cover (110), the buckling claw portion (320) is configured on the second shell (200), and the buckling claw portion (320) is buckled with the buckling rail portion (310).

2. A high protection meter according to claim 1, wherein: the buckling assembly (300) comprises a first buckling rail (311) and a first buckling claw (321), wherein the first buckling rail (311) is configured on the inner side wall of the second opening (112) of the shell cover (110).

3. A high protection meter according to claim 2, wherein: the shell cover (110) is provided with a long plate (110 a), the buckling assembly (300) comprises a second buckling rail (312) and a second buckling claw (322), and the second buckling rail (312) is located on one side of the inner side wall of the long plate (110 a).

4. A high protection meter according to claim 2, wherein: the buckling component (300) comprises a buckling arm (331) constructed on the second shell (200), and also comprises a buckling groove (332) constructed on the inner side wall of the shell cover (110) and matched with the buckling arm (331).

5. A high protection meter according to claim 4, wherein: the buckling arm (331) is connected with the buckling claw portion (320), an auxiliary rail (110 b) is further constructed on the inner side wall of the shell cover (110), the buckling rail portion (310) and the auxiliary rail (110 b) form a track, and the buckling claw portion (320) and the buckling arm (331) are connected with the track in a matched mode.

6. A high protection meter according to claim 3, wherein: the second housing (200) comprises a terminal seat (220) and a terminal cover (230), the terminal seat (220) comprises a first structure (220 a) and a second structure (220 b), the first structure (220 a) of the terminal seat (220) is arranged in the terminal cover (230), the first structure (220 a) of the terminal seat (220) is buckled with the terminal cover (230), and the buckling part (320) is formed in the second structure (220 b) of the terminal seat (220).

7. The high protection meter of claim 6, wherein: the closing piece (210) comprises a third buckling claw (223) configured on the terminal seat (220), a fourth buckling claw (224) configured on the terminal cover (230), a third buckling rail (225) formed on the inner wall of the shell cover (110), wherein the third buckling claw (223) and the fourth buckling claw (224) extend in the same direction, and the third buckling rail (225) buckles the third buckling claw (223) and the fourth buckling claw (224).

8. A high protection meter according to claim 7, wherein: the terminal cover (230) includes an end surface that is in contact with the first housing (100), and the closing member (210) includes a stepped portion (211) formed on the end surface.

9. The high protection meter of claim 6, wherein: the terminal cover (230) comprises a body (231) and a cover body (232), a fixing piece (40) for fixing a terminal sleeve is arranged between a first structure (220 a) of the terminal seat (220) and the body (231) of the terminal cover (230), a first interface (2311) is arranged at a corresponding position of the fixing piece (40) on the body (231), a first through hole (50) is formed by matching the terminal seat (220) with the body (231) of the terminal cover (230), an auxiliary terminal (71) is detachably arranged in the first through hole (50), an external through hole of the first interface (2311) and the first through hole (50) is located in a space formed by enclosing the cover body (232) and the body (231), a second through hole (60) is formed on the body (231), a movable rubber plug (72) is arranged in the second through hole (60), and the cover body (232) is provided with a contact (2321) capable of contacting with the rubber plug (72).

10. A high protection meter according to claim 9, wherein: the first through hole (50) comprises a first hole (51) formed in the terminal seat (220) and a second hole (52) formed in the body (231), the auxiliary terminal (71) is arranged in the first hole (51), a clamping point (71 a) is formed at one end of the auxiliary terminal (71), and a first elastic arm (221) matched with the clamping point (71 a) is formed at the position of an inner through hole of the first hole (51) of the terminal seat (220).