A shell structure suitable for improving the IP protection level of an electric energy meter

Abstract

The application provides a shell structure suitable for improving the IP protection level of an electric energy meter, relates to the technical field of electric energy meters, and comprises: a shell, a module bin is arranged on the shell, and a sealing step is arranged on the inner side of the module bin; a bin door assembly, the bin door assembly comprises a bin door, a rotating shaft and a mounting lug, the rotating shaft is movably connected with a rotating shaft area, the bin door corresponds to a module area, and the mounting lug is detachably connected with a mounting area; and a sealing assembly, the sealing assembly is embedded on the inner side of the module bin on one side of the top of the sealing step in a circumferential direction, and the sealing assembly is drivingly connected with the rotating shaft; wherein when the mounting lug is rotated to the mounting area, the connection between the rotating shaft and the rotating shaft area is gradually locked from a movable state, the rotating shaft drives the sealing assembly to extend to the sealing step, and the edge of the bin door is tightly sealed with the sealing assembly on the sealing step. The shell structure provided by the application can effectively solve the problem of insufficient sealing of the bin door and can continuously seal the gap between the upper shell and the lower shell.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric energy meter, in particular to a shell structure suitable for improving the IP protection level of electric energy meter. BACKGROUND

[0002] The IP protection level of electric energy meter is used to evaluate the protection ability of the shell of electric energy meter device to solid foreign matter and liquid. Generally, the IP protection level of electric energy meter will be different according to the different use environment and application scene.

[0003] Due to the influence of external environment such as wind, rain erosion and the like when the shell of electric energy meter is disassembled and repaired or used outdoors, the sealing failure will easily occur at each sealing position of the shell of electric energy meter (such as the gap between the upper shell and the lower shell, the sealing area of the communication module and the like). Moreover, under the action of wind, vibration and the like, the outer wall of electric energy meter will be stressed, which will cause the outer wall to move back and forth along the thickness direction and the like, so as to easily cause the sealing failure between the upper shell and the lower shell of electric energy meter. Moreover, due to the influence of wind, vibration and the like, the positioning and mounting position of the sealing cover plate of the communication module will be abraded, so that the sealing cover plate will be loose and the sealing failure will occur, which will cause the dust, water and the like to penetrate into the inside of electric energy meter and damage the components of electric energy meter. SUMMARY

[0004] In view of the above-mentioned defects of the prior art, the purpose of the present application is to provide a shell structure suitable for improving the IP protection level of electric energy meter, which is used to solve the problem that the sealing failure will occur at the sealing area of electric energy meter at each position such as the sealing area between the upper shell and the lower shell and the sealing area of the communication module due to the influence of external environment when the shell of electric energy meter is disassembled and repaired or used outdoors, which will cause the dust, water and the like to penetrate into the inside of electric energy meter and damage the components of electric energy meter.

[0005] To achieve the above-mentioned purpose and other related purposes, a shell structure suitable for improving the IP protection level of electric energy meter comprises: a shell, which is provided with a module bin on the shell, the inside of the module bin is provided with a sealing step, and the module bin comprises a module area, a rotating shaft area and a mounting area; a bin door assembly, which comprises a bin door, a rotating shaft and a mounting lug, the rotating shaft is movably connected with the rotating shaft area, the bin door corresponds to the module area, and the mounting lug is detachably connected with the mounting area; and a sealing assembly, which is embedded in the inside of the module bin on one side of the top of the sealing step in a circumferential direction, and is drivingly connected between the sealing assembly and the rotating shaft; wherein when the mounting lug is rotated to the mounting area, the connection between the rotating shaft and the rotating shaft area is gradually locked from a movable state, the rotating shaft drives the sealing assembly, the sealing assembly is expanded on the sealing step, and the edge of the bin door is tightly sealed with the sealing assembly on the sealing step.

[0006] In an embodiment of the present application, the rotating shaft comprises: a shaft body, two ends of the shaft body are respectively rotatably connected to the rotating shaft area; a guide ring, the guide ring is in a spiral structure, and the guide ring is circumferentially installed at the two ends of the shaft body; and a locking block, the locking block is installed at the bottom side of the rotating shaft area, and each locking block is located at one side of the corresponding guide ring, so that when the guide ring rotates to open the door, the guide ring and the locking block are in clearance fit, and when the guide ring rotates to close the door, the guide ring and the locking block are pressed against each other.

[0007] In an embodiment of the present application, a first mounting groove is formed on the mounting lug, a second mounting groove corresponding to the first mounting groove is formed on the sealing step, a third mounting groove is formed on one side of the shell, the third mounting groove and the second mounting groove are in communication with each other, and the door assembly further comprises a mounting piece; the mounting piece comprises: a latch, a lower end of the latch is inserted into the second mounting groove through the first mounting groove, and a hanging hole is formed on the latch; and a mounting pin, the mounting pin is inserted into the third mounting groove, and the mounting pin passes through the hanging hole.

[0008] In an embodiment of the present application, an embedded groove is formed on the inner side wall of the module bin, and the embedded groove is located above the sealing step; the sealing assembly comprises: a sealing ring, the sealing ring is in a hollow structure, the sealing ring is installed in the embedded groove, and one side of the sealing ring extends from the embedded groove into the module bin, the bottom surface and the side end surface of the door are respectively arranged on the surface of the sealing ring, and the side wall of the sealing ring is provided with a through sleeve channel; a pull tab, the pull tab is arranged in the embedded groove, the pull tab passes through the through sleeve channel in sequence, and two ends of the pull tab are respectively connected to two ends of the rotating shaft; when the rotating shaft rotates, the pull tab is wound on the rotating shaft, the pull tab applies pressure to the sealing ring, the size of the sealing ring body extending out of the embedded groove is increased, and the pressure of the sealing ring on the lower surface of the door is increased.

[0009] In an embodiment of the present application, the sealing ring is in a gourd shape, the radial dimension of the sealing ring located in the embedded groove is greater than the radial dimension of the sealing ring located in the module bin, the sealing ring located in the module bin is composed of an elastic material, the sealing ring located in the embedded groove is composed of a soft material, and the width of the pull tab is less than half of the circumference of the outer wall of the sealing ring.

[0010] In an embodiment of the present application, the shell comprises an upper shell and a lower shell, and one side of the bottom of the upper shell and one side of the top of the lower shell are mutually matched and installed; the shell structure further comprises: a sealing frame assembly, the sealing frame assembly is clamped on the outer side of the upper shell and the lower shell which are mutually matched and installed, and the sealing frame assembly is elastically tightly attached to the outer side walls of the upper shell and the lower shell, so as to continuously tightly attach to the side surface of the upper shell when the upper shell is deformed, or continuously tightly attach to the side surface of the lower shell when the lower shell is deformed.

[0011] In an embodiment of the present application, the sealing frame assembly comprises: a protective shell mounted on the lower shell, one side of the protective shell being provided with a limiting groove; a sealing gasket, one side of the sealing gasket being inserted into the limiting groove, and the other side of the sealing gasket being attached to the side surface of the upper shell and the lower shell; and a pushing assembly mounted in the limiting groove, one side of the pushing assembly being elastically pressed against one side of the sealing gasket along the length direction of the sealing gasket, so that the other side of the sealing gasket is tightly pressed against the side surface of the upper shell and the lower shell, respectively.

[0012] In an embodiment of the present application, the sealing gasket comprises: an upper pressing gasket corresponding to the side surface of the upper shell; a lower pressing gasket corresponding to the side surface of the lower shell; and an intermediate gasket connected between the upper pressing gasket and the lower pressing gasket, and corresponding to the mounting gap between the upper shell and the lower shell; wherein the upper pressing gasket and the lower pressing gasket are provided with a plurality of notches on the side close to the pushing assembly, and the notches are uniformly spaced along the length direction of the intermediate gasket.

[0013] In an embodiment of the present application, the pushing assembly comprises: a pushing plate slidingly arranged in the limiting groove; an adjusting member screwing from the outside of the protective shell into the limiting groove and being rotationally connected with the pushing plate to push the pushing plate to move towards one side of the sealing gasket; and a long elastic member arranged between the pushing plate and the sealing gasket to form extrusion of the sealing gasket when the pushing plate moves towards one side of the sealing gasket, so that the upper and lower sides of the sealing gasket are tightly attached to the side surface of the upper shell and the lower shell along the length direction of the long elastic member.

[0014] In an embodiment of the present application, the pushing plate comprises a plurality of segments corresponding to the respective direction side surfaces of the upper shell and the lower shell, and each segment of the pushing plate corresponds to a plurality of adjusting members.

[0015] As described above, the shell structure suitable for improving the IP protection level of the electric energy meter has the following beneficial effects: through the linkage cooperation between the door assembly and the sealing assembly in the module compartment of the shell, the poor sealing problem of the module compartment caused by the repeated opening and closing of the door assembly is solved, the close cooperation between the door assembly and the module compartment when the door assembly is closed can be effectively ensured, the stability after the door assembly is closed can be improved, and the long-term sealing effect of the door assembly can be improved. Moreover, for the gap between the upper shell and the lower shell of the side surface of the shell, the sealing frame assembly can be tightly attached to the side surface of the upper shell and the lower shell on the upper and lower sides of the gap along the arrangement direction of the gap, so that water or dust layer is effectively prevented from passing through the sealing frame assembly to the gap between the upper shell and the lower shell and entering the electric energy meter from the gap between the upper shell and the lower shell to damage the components, and the disassembly and assembly of the upper shell and the lower shell can be facilitated under the premise of ensuring the continuous sealing between the upper shell and the lower shell. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The diagram shown is a structural schematic of a housing structure suitable for improving the IP protection level of an energy meter, provided in an embodiment of the present invention.

[0017] Figure 2 The illustration provided is an embodiment of the present invention. Figure 1 A sectional view.

[0018] Figure 3 The illustration provided is an embodiment of the present invention. Figure 2 Enlarged view of point A in the middle.

[0019] Figure 4 The illustration provided is an embodiment of the present invention. Figure 1 Side view.

[0020] Figure 5 The illustration provided is an embodiment of the present invention. Figure 4 Enlarged view of section B in the middle.

[0021] Figure 6 The diagram shows the structural fit between the guide ring and the locking block according to an embodiment of the present invention.

[0022] Figure 7 The diagram shows the state of the cooperation between the guide ring and the locking block according to an embodiment of the present invention.

[0023] Figure 8 The illustration provided is an embodiment of the present invention. Figure 1 A schematic diagram of the structure after removing the compartment door assembly.

[0024] Figure 9 The illustration provided is an embodiment of the present invention. Figure 8 Enlarged view of point D in the middle.

[0025] Figure 10 The diagram shows the connection state of the sealing assembly and the rotating shaft according to an embodiment of the present invention.

[0026] Figure 11 The illustration provided is an embodiment of the present invention. Figure 10 Enlarged view of point E in the middle.

[0027] Figure 12 The diagram shown is a structural schematic of an installation component provided in an embodiment of the present invention.

[0028] Figure 13 The diagram shown is a structural schematic of a sealing frame assembly provided in an embodiment of the present invention.

[0029] Figure 14 The illustration provided is an embodiment of the present invention. Figure 13 A schematic diagram of the structure after the middle protective shell is cut open.

[0030] Figure 15 shows a rear side structure of the package assembly provided by an embodiment of the present application. Figure 14 enlarged view of the middle C.

[0031] Figure 16 shows a state diagram of a sealing process of the package assembly provided by an embodiment of the present application.

[0032] Figure 17 shows a rear side structure of the package assembly provided by an embodiment of the present application. Figure 1 DETAILED DESCRIPTION

[0033] The present application is herein described, by way of example only, with reference to the accompanying drawings, wherein:

[0034] Reference will now be made to the drawings, wherein: Figures 1 to 17 It is to be understood that the drawings are to be used for purposes of illustration only and that the inventive concepts can be applied to other types of electrical devices and in other environments without departing from the scope of the present application. It is to be understood that all features that can be described in the specification, the claims and the drawings can be combined with one another in any technically possible way. It is further understood that the terminology used in the description is for the purpose of describing specific embodiments only and is not intended to limit the scope of the present application. Unless specifically set forth herein, none of the features discussed hereinabove is required for the practice of the present application.

[0035] Reference will now be made to the drawings, wherein: Figures 1 to 2 ​The application provides a shell structure suitable for improving the IP protection level of an electric energy meter, which comprises a shell 1, a module bin 11 arranged on the shell 1, a sealing step 101 arranged on the inner side of the module bin 11, the module bin 11 comprising a module area 111, a rotating shaft area 112 and a mounting area 113, a bin door assembly 2 comprising a bin door 21, a rotating shaft 22 and a mounting lug 23, the rotating shaft 22 being movably connected with the rotating shaft area 112, the bin door 21 corresponding to the module area 111, and the mounting lug 23 being detachably connected with the mounting area 113, and a sealing assembly 3 arranged on the inner side of the module bin 11 on one side of the top of the sealing step 101 in a circumferential direction, and being drivingly connected with the rotating shaft 22, wherein when the mounting lug 23 is rotated to the mounting area 113, the connection between the rotating shaft 22 and the rotating shaft area 112 is gradually locked, the rotating shaft 22 drives the sealing assembly 3, the sealing assembly 3 is expanded on the sealing step 101, and the edge of the bin door 21 is tightly sealed with the sealing assembly 3 on the sealing step 101.

[0036] It can be found from the above that in the process of achieving the IP protection level requirement of the shell structure of the electric energy meter, the sealing between the module bin 11 and the corresponding bin door assembly 2 on the shell 1 can be improved, thereby improving the sealing of the communication module arranged in the module bin 11. Specifically, on one side of the bin door 21 of the bin door assembly 2, the rotating shaft 22 is arranged in the rotating shaft area 112 on one side of the module area 111 in the module bin 11, which can be inserted into the corresponding rotating shaft hole of the rotating shaft area 112, or can be installed in other ways on the rotating shaft area 112. When the bin door 21 is closed, the other side of the bin door 21 is detachably connected with the mounting area 113 through the mounting lug 23, so as to facilitate the opening of the bin door 21 and the installation or replacement of the communication module. After the bin door 21 is closed, the rotating shaft 22 gradually keeps locked with the shell 1 from the previous movable state, so as to avoid the unstable positioning of the rotating shaft 22 and the large-scale shaking of the rotating shaft 22, thereby improving the sealing of the bin door 21 in the module bin 11. Of course, in order to further prevent the bin door 21 from moving due to the shaking of the rotating shaft 22 and the mounting lug 23 along the thickness direction of the shell 1, thereby affecting the sealing of the bin door 21 in the module bin 11, the sealing assembly 3 is linked to strengthen the sealing pressure on the bin door 21 during the closing of the bin door 21, so that the sealing assembly 3 and the bin door 21 are tightly attached, thereby solving the problem that the bin door 21 and the module bin 11 form a gap due to the shaking of the bin door 21 along the thickness direction of the shell 1, improving the sealing effect between the bin door 21 and the module bin 11, and effectively preventing small dust or water from entering the module bin 11, damaging the communication module, and entering the shell 1 along the module bin 11 to damage other components in the electric energy meter.

[0037] As Figure 2 , Figures 4 to 7As shown, the rotating shaft 22 comprises: a shaft body 221, both ends of the shaft body 221 are rotatably connected to the rotating shaft area 112 respectively; a guide ring 222, the guide ring 222 is a spiral structure, the guide ring 222 is installed in the circumferential direction on both ends of the shaft body 221; and a locking block 223, the locking block 223 is installed on both sides of the bottom of the rotating shaft area 112, each locking block 223 is located on one side of the corresponding guide ring 222, so that the gap between the guide ring 222 and the locking block 223 is matched when the guide ring 222 rotates to open the door 21, and the guide ring 222 and the locking block 223 are pressed against each other when the guide ring 222 rotates to close the door 21.

[0038] In the specific structure of the rotating shaft 22, by using the shaft body 221 inserted into the rotating shaft area 112, specifically, a rotating shaft hole can be formed on the rotating shaft area 112, and then the two ends of the shaft body 221 are inserted into the rotating shaft hole to realize the positioning rotation of the shaft body 221. Then, one side of the door 21 is connected with the rotating shaft 22, and when the door 21 is in the open state, the point of contact between the outer side wall of the locking block 223 and the inner side of the guide ring 222 is recorded as the contact point M, and the point of the inner side of the spiral guide ring 222 that can contact the contact point M is recorded as N. The N point is the point on the inner side wall of the guide ring 222 closest to the M point in the circumferential direction of the rotating shaft 22. Therefore, for the guide ring 222 at the first end of the rotating shaft 22, when the rotating shaft 22 rotates with the guide ring 222, the position of the N point will also rotate, and when the N point rotates away from the M point, at this time, since the N point is arranged on the spiral guide ring 222, with the rotation of the guide ring 222, the N point will not only rotate in the circumferential direction, but also move away from the locking block 223 in the axial direction of the rotating shaft 22. Similarly, for the guide ring 222 at the second end of the rotating shaft 22, which is a symmetrical structure with the guide ring 222 at the first end, that is, an opposite spiral structure, and also has a locking block 223 arranged on the inner side of the guide ring 222. When the door 21 is in the closed state at the beginning, the contact point M can contact the N point, and when the rotating shaft 22 rotates, the N point on the guide ring 222 at the second end, like the N point on the guide ring 222 at the first end of the rotating shaft 22, also moves away from the contact point M of the locking block 223 on one side, so that the guide ring 222 and the locking block 223 form a gap and no longer contact, so that the guide ring 222 is in a relaxed state, and the rotating shaft 22 is no longer locked in the circumferential direction and the rotating direction, facilitating the movement of the door 21. When the door 21 gradually closes, the shaft body 221 and the guide ring 222 also rotate, so that the N points of the inner side walls of the two adjacent guide rings 222 rotate back, and due to the spiral structure of the guide ring 222, the N points continue to return to the original position and contact the contact point M on the corresponding locking block 223, so that the inner side walls of the two adjacent guide rings 222 are tightly attached to the outer side walls of the corresponding locking blocks 223, thereby locking the position of the shaft body 221. When the position of the shaft body 221 is locked, the stability of the door 21 when closed can be effectively guaranteed, and when the electricity meter is outdoors, the door 21 will not shake due to vibration and wind, causing the shaft body 221 to also shake and wear the rotating shaft hole, reducing the sealing effect of the door 21 on the module bin 11. Therefore, by using the cooperation between the guide ring 222 and the locking block 223 on the shaft body 221, not only the sealing effect can be guaranteed, but also the position of the shaft body 221 can be locked to prevent the shaft body 221 from shaking and damaging the rotating shaft hole, accelerating the damage to the sealing effect. The guide ring 222 can be obtained by connecting two symmetrical spiral guide blocks end to end, and the N point can be arranged at the connection point between the two guide blocks.

[0039] AsFigure 2 、 Figure 3 and Figure 12 As shown in the figure, the mounting lug 23 is provided with a first mounting slot, the sealing step 101 is provided with a second mounting slot corresponding to the first mounting slot, one side of the shell 1 is provided with a third mounting slot, the third mounting slot and the second mounting slot are in communication with each other, and the door assembly 2 further comprises a mounting piece 24; the mounting piece 24 comprises: a latch 241, the lower end of the latch 241 is inserted into the second mounting slot through the first mounting slot, and the latch 241 is provided with a hanging hole 2411; and a mounting pin 242, the mounting pin 242 is inserted into the third mounting slot, and the mounting pin 242 passes through the hanging hole 2411.

[0040] In the embodiment, the mounting lug 23 can be detachably connected with the mounting area 113 through the mounting member 24 when the mounting lug 23 is mounted on the mounting area 113. Specifically, a first mounting slot for inserting the mounting member 24 is formed on the mounting lug 23, and a second mounting slot corresponding to the first mounting slot is formed on the sealing step 101 of the module compartment 11, so that the latch 241 is inserted into the second mounting slot after passing through the first mounting slot. In order to further ensure the position fixation of the latch 241 and ensure the position fixation of the compartment door 21 pressed on the sealing assembly 3, prevent the sealing of the compartment door 21 from being affected by loose mounting, a third mounting slot is arranged on one side of the shell 1, so that the mounting pin 242 passes through the third mounting slot and the hanging hole 2411 on the latch 241, to position the latch 241 to the pressing position of the compartment door 21, and ensure the sealing effect. The mounting pin 242 is positioned along the width direction of the shell 1 to position the latch 241, and the mounting pin 242 is positioned in the third mounting slot and is not easy to loosen, so that the latch 241 in the first mounting slot and the second mounting slot is not easy to loosen, thereby avoiding the loosening of the latch 241, the loosening of the compartment door 21, and the influence on the sealing effect. The first mounting slot and the second mounting slot can also improve the guiding and positioning effect of the latch 241 in the axial direction, cancel the traditional direct screw fixing method, and avoid the shaking of the screw after direct installation. For example, in the traditional screw installation, the screw is inserted into the compartment door 21 and screwed into the mounting area 113, but this method cannot tightly press the mounting lug 23 on one side of the compartment door 21 when the screw is removed and installed again due to multiple disassembly and assembly, corrosion and weathering of the shell 1, etc., so that the compartment door 21 is easy to shake and affect the sealing effect. The present application cancels the screw and replaces it with the latch 241 directly inserted into the first mounting slot and the second mounting slot, and then the mounting pin 242 passes through the third mounting hole from the side of the shell 1 and passes through the latch 241, so that the mounting pin 242 directly pulls the latch 241 to prevent the position of the mounting pin 242 from moving and ensure the tension of the mounting lug 23, thereby ensuring the sealing effect of the compartment door 21. The outer surface of the mounting pin 242 can be provided with external threads, and the inner wall of the third mounting slot is provided with internal threads, so that the mounting pin 242 can be threadedly connected with the internal threads of the inner wall of the third mounting slot through the external threads on the outer surface thereof.

[0041] As Figure 2 , Figure 3 , Figures 8 to 11As shown, the inner side wall of the module bin 11 is provided with an embedding groove 102, which is located above the sealing step 101; the sealing assembly 3 comprises: a sealing ring 31, which is a hollow structure, is installed in the embedding groove 102, and one side of the sealing ring 31 extends from the embedding groove 102 into the module bin 11, the bottom surface and the side end surface of the bin door 21 are respectively arranged on the surface of the sealing ring 31, and the side wall of the sealing ring 31 is provided with a through sleeve channel; a pull tab 32, which is arranged in the embedding groove 102, passes through the through sleeve channel in sequence and is connected to both ends of the rotating shaft 22; wherein, when the rotating shaft 22 rotates, the pull tab 32 is wound on the rotating shaft 22, the pull tab 32 presses towards the sealing ring 31, the size of the sealing ring 31 extending out of the embedding groove 102 is increased, so as to increase the pressure of the sealing ring 31 on the lower surface of the bin door 21.

[0042] In the present embodiment, in the process of sealing the module bin 11 by cooperation between the sealing assembly 3 and the bin door 21, when it is needed to close the bin door 21, the rotating shaft 22 rotates to drive the pull tab 32 to be wound thereon, so that the length of the pull tab 32 in the embedding groove 102 is reduced, the pull tab 32 is pressed against the surface of the sealing ring 31 in the embedding groove 102, the internal space of the sealing ring 31 in the embedding groove 102 is compressed, the internal pressure thereof is increased, the sealing ring 31 in the module bin 11 outside the embedding groove 102 is expanded, the volume of the sealing ring 31 in the module bin 11 is increased, and when the bin door 21 is completely closed, the volume of the sealing ring 31 in the module bin 11 is the largest, so that the bin door 21 resists the side wall of the sealing ring 31 in the module bin 11, and the sealing ring 31 is deformed again to press and seal the bottom side and the side end surface of the bin door 21.

[0043] Further, the sealing ring 31 is gourd-shaped, the radial dimension of the sealing ring 31 in the embedding groove 102 is greater than that of the sealing ring 31 in the module bin 11, the sealing ring 31 in the module bin 11 is composed of an elastic material, the sealing ring 31 in the embedding groove 102 is composed of a soft material, and the width of the pull tab 32 wrapped on the outer wall of the sealing ring 31 is less than half of the circumference of the outer wall of the sealing ring 31.

[0044] The shape of the sealing ring 31 can be gourd-shaped, or the sealing ring 31 located in the embedding groove 102 can be square-shaped, and the sealing ring 31 located in the module compartment 11 can be circular-shaped. Of course, the sealing ring 31 located in the embedding groove 102 and the sealing ring 31 located in the module compartment 11 can also be other shapes. When the pull tab 32 moves towards the side of the sealing ring 31, it will act on the sealing ring 31 located in the embedding groove 102. Since the sealing ring 31 located in the embedding groove 102 is made of soft material, which has little or no elasticity, under the pressure of the pull tab 32 towards the sealing ring 31 located in the embedding groove 102, the sealing ring 31 located in the embedding groove 102 will decrease in volume, and the gas in the sealing ring 31 located in the embedding groove 102 will be squeezed into the sealing ring 31 located in the module compartment 11, thereby expanding the volume of the sealing ring 31 located in the module compartment 11, thereby increasing the resistance to the compartment door 21. In addition, the critical position of the sealing ring 31 located in the embedding groove 102 and the sealing ring 31 located in the module compartment 11, that is, the width dimension of the outlet of the embedding groove 102 is relatively small compared to the radial dimension of the sealing ring 31 located in the embedding groove 102 and the radial dimension of the sealing ring 31 located in the module compartment 11, that is, the outlet of the embedding groove 102 is a narrow opening. At the same time, the width of the pull tab 32 coated on the outer wall of the sealing ring 31 is less than half the circumference of the outer wall of the sealing ring 31, which can be designed by the width dimension of the pull tab 32 to maximize the coating of the pull tab 32 on one side of the sealing ring 31, and under the action of the extrusion force, the gas in the sealing ring 31 located in the embedding groove 102 is squeezed into the sealing ring 31 located in the module compartment 11.

[0045] As shown in Figure 16 , the shell 1 includes an upper shell 12 and a lower shell 13, and the bottom side of the upper shell 12 is installed on the top side of the lower shell 13. In order to facilitate the assembly and maintenance of the internal components of the electric energy meter, the shell 1 of the electric energy meter usually has an upper shell 12 and a lower shell 13, and the bottom side of the upper shell 12 is installed on the top side of the lower shell 13 to realize shell sealing.

[0046] As shown in Figure 1 , Figure 2 , and Figure 16 , the shell structure suitable for improving the IP protection level of the electric energy meter provided by the present application further comprises a sealing frame assembly 4, which is clamped on the outside of the upper shell 12 and the lower shell 13 installed in each other, and the sealing frame assembly 4 is elastically attached to the outer side wall of the upper shell 12 and the lower shell 13 respectively, so as to continuously attach to the side surface of the upper shell 12 when the upper shell 12 deforms, or continuously attach to the side surface of the lower shell 13 when the lower shell 13 deforms.

[0047] After the shell 1 is installed by the upper shell 12 and the lower shell 13, due to wind, vibration, erosion and improper shell installation and disassembly, etc. in the outdoor, it is easy to cause the sealing between the upper shell 12 and the lower shell 13 to be reduced. Therefore, after the shell assembly of the upper shell 12 and the lower shell 13, the installation of the sealing frame assembly 4 between the upper shell 12 and the lower shell 13 can also be strengthened, so as to effectively improve the IP protection level of the electric energy meter, prevent water or dust from entering the shell 1 through the gap between the upper shell 12 and the lower shell 13, and damage the electric energy meter components. Specifically, in the scene that needs to be sealed or produced according to the factory rules (strengthening the IP protection level of the electric energy meter, etc.), in order to ensure the IP protection level of the electric energy meter, the sealing frame assembly 4 can be installed on the lower shell 13, and of course it can also be fixed with other positions, such as installation support, upper shell, etc. After the installation of the sealing frame assembly 4, one side of the sealing frame assembly 4 can always be close to the surface of the upper shell 12 and the lower shell 13, so as to avoid water or dust from passing through the sealing frame assembly 4 to the gap between the upper shell 12 and the lower shell 13, and from the gap between the upper shell 12 and the lower shell 13 into the electric energy meter, damaging the components.

[0048] In addition, for example, when the electric energy meter is affected by wind or vibration, the upper shell 12 or the lower shell 13 will swing back and forth along the shell width direction under the action of pressure or vibration, for example, under the action of wind, the shell surface is subjected to pressure, and will be concave towards the inside, and after the wind disappears, the concave gradually returns to the original state, so that the gap between the upper shell 12 and the lower shell 13 will increase when the shell is offset towards the inside of the electric energy meter, and the gap on the side away from the electric energy meter will increase when the shell is offset towards the side away from the electric energy meter, so the water or dust will gradually penetrate into the gap, resulting in the failure of the shell sealing. By using the design of the sealing frame assembly 4, it is always close to the side surface of the upper shell 12 and the lower shell 13, so as to prevent water or dust from penetrating between the sealing frame assembly 4 and the upper shell 12 or the lower shell 13, and improve the sealing performance.

[0049] As shown in Figure 3 and Figure 13 , the sealing frame assembly 4 comprises: a protective shell 41 installed on the lower shell 13, one side of the protective shell 41 is provided with a limiting groove 411; a sealing gasket 42, one side of the sealing gasket 42 is inserted into the limiting groove 411, and the other side of the sealing gasket 42 is attached to the side surface of the upper shell 12 and the lower shell 13; and a push assembly 43 installed in the limiting groove 411, one side of the push assembly 43 elastically abuts against one side of the sealing gasket 42 along the length direction of the sealing gasket 42, so that the other side of the sealing gasket 42 is pressed against the side surface of the upper shell 12 and the lower shell 13 respectively.

[0050] In the specific installation process of the sealed frame assembly 4, the lower shell 13 can be integrally formed with the corresponding base 131 during the forming process, and then the base 131 is screwed to the protective shell 41 through the screw 132 to achieve the installation of the protective shell 41. In the protective shell 41, the sealing gasket 42 is installed in the limiting groove 411, and the sealing gasket 42 can move in the limiting groove 411 to ensure that the sealing gasket 42 can always be tightly attached to the side surface of the upper shell 12 and the lower shell 13 along the arrangement direction of the protective shell 41 under the uniform elastic force of the push assembly 43, thereby ensuring the sealing of the side surface of the upper shell 12 and the lower shell 13. The problem of water or dust entering the shell 1 through the installation gap between the upper shell 12 and the lower shell 13 due to the vibration or wind force acting on the shell 1, thereby damaging the electrical energy meter components.

[0051] As shown in Figures 13 to 15 The sealing gasket 42 includes: an upper pressing gasket 421 corresponding to the side surface of the upper shell 12; a lower pressing gasket 422 corresponding to the side surface of the lower shell 13; and an intermediate gasket 423 connected between the upper pressing gasket 421 and the lower pressing gasket 422, and corresponding to the installation gap between the upper shell 12 and the lower shell 13; wherein the upper pressing gasket 421 and the lower pressing gasket 422 are provided with a plurality of notches 4201 on the side close to the push assembly 43, and the notches 4201 are uniformly and spaced apart along the length direction of the intermediate gasket 423.

[0052] In the process of continuously sealing the side surface of the upper shell 12 and the lower shell 13 by the sealing gasket 42, the push assembly 43 is pressed against the outer side surface of the upper pressing gasket 421 between the adjacent two notches 4201, so that the upper pressing gasket 421 can be tightly pressed against the side surface of the upper shell 12. In addition, the design of the notches 4201 facilitates the bending of the upper pressing gasket 421, so that the upper pressing gasket 421 can be tightly attached to the side surface of the upper shell 12.

[0053] Similarly, the push assembly 43 is pressed against the outer side surface of the lower pressing gasket 422 between the adjacent two notches 4201, so that the lower pressing gasket 422 can be tightly pressed against the side surface of the lower shell 13. In addition, the design of the notches 4201 facilitates the bending of the lower pressing gasket 422, so that the lower pressing gasket 422 can be tightly attached to the side surface of the lower shell 13.

[0054] After the upper pressing gasket 421 and the lower pressing gasket 422 are tightly pressed against the side surface of the upper shell 12 and the lower shell 13 respectively, the intermediate gasket 423 seals the gap between the upper shell 12 and the lower shell 13.

[0055] As shown in Figure 3 , Figure 14 and Figure 15 , the pushing assembly 43 comprises a pushing plate 431 slidingly arranged in the limiting groove 411, an adjusting member 432 screwing into the limiting groove 411 from the outside of the protective shell 41 and being rotationally connected with the pushing plate 431 to push the pushing plate 431 to move towards the sealing gasket 42, and an elastic member 433 arranged between the pushing plate 431 and the sealing gasket 42 to form extrusion to the sealing gasket 42 when the pushing plate 431 moves towards the sealing gasket 42, so that the upper and lower sides of the sealing gasket 42 respectively tightly adhere to the side surfaces of the upper shell 12 and the lower shell 13 along the length direction of the elastic member 433.

[0056] During the continuous pressing of the sealing gasket 42 by the pushing assembly 43, the adjusting member 432 can be rotated on the protective shell 41 to push the pushing plate 431 to move towards the elastic member 433, so that the elastic member 433 between the pushing plate 431 and the sealing gasket 42 is reduced in radial dimension to store energy, and the elastic member 433 in the energy storage state pushes the sealing gasket 42 to be pressed against the side surfaces of the upper shell 12 and the lower shell 13. Moreover, the elastic member 433 is arranged along the length direction of the protective shell 41 or the sealing gasket 42, so that the elastic member 433 in the radial energy storage state can form a pushing force to the sealing gasket 42 along the length direction of the sealing gasket 42 to make the sealing gasket 42 stably adhere to the side surfaces of the upper shell 12 and the lower shell 13 along the length direction. The elastic member 433 can be an elastic spring or an elastic rubber member, and of course, it can also be other long strip-shaped structural members capable of providing elastic force in the radial direction.

[0057] As shown in Figure 14 , the pushing plate 431 comprises multiple sections corresponding to the respective direction side surfaces of the upper shell 12 and the lower shell 13, and each section of the pushing plate 431 corresponds to multiple adjusting members 432.

[0058] In the embodiment, by designing the push plate 431 into multiple sections, the convenience in adjusting the distance between the push plate 431 and the sealing gasket 42 by the adjusting member 432 can be effectively ensured. Specifically, there can be one push plate 431 arranged on each side of the shell 1, one push plate 431 arranged on the top side of the shell 1, and one push plate 431 arranged between the top and the two sides of the shell 1. Specifically, during installation, the push plate 431 on the top side of the shell 1 can be first pushed towards the side of the sealing gasket 42 to make the sealing gasket 42 on the top side of the shell 1 elastically pressed against the top side of the shell 1 by the elastic pushing action of the long elastic member 433; then the sealing gasket 42 is pulled towards the two ends to make the sealing gasket 42 between the top and the two sides of the shell 1 tightly attached to the corners of the shell 1, and the push plate 431 between the top and the two sides of the shell 1 elastically presses towards the corners of the shell 1 by the long elastic member 433 to make the sealing gasket 42 near the corners of the shell 1 elastically and tightly positioned at the corners of the shell 1; finally, the sealing gasket 42 is again pulled towards the two ends to make the sealing gasket 42 in a straightened state, and then the sealing gasket 42 is elastically and tightly pressed towards the side of the sealing gasket 42 by the push plate 431 on the two sides of the shell 1 by the long elastic member 433, so that the installed sealing gasket 42 can be elastically and tightly attached to the surface of the shell 1. Of course, other configuration schemes can also be used. In addition, the number of adjusting members 432 can be configured according to the length of the push plate 431.

[0059] In summary, the shell structure for improving the IP protection level of the electric energy meter disclosed in the present application solves the problem of poor sealing of the module compartment 11 caused by repeated opening and closing of the compartment door assembly 2, effectively ensures the tight fit between the module compartment 11 and the compartment door assembly 2 when the compartment door assembly 2 is closed, and improves the stability and long-term sealing effect of the compartment door assembly 2 after it is closed. Moreover, for the gap between the upper shell 12 and the lower shell 13 on the side of the shell 1, the sealing frame assembly 4 can be arranged on the side surfaces of the upper shell 12 and the lower shell 13 on the upper and lower sides of the gap, thereby effectively preventing water or dust from entering the gap between the upper shell 12 and the lower shell 13 and damaging the components inside the electric energy meter. Furthermore, the sealing frame assembly 4 can facilitate the disassembly and assembly of the upper shell and the lower shell while ensuring continuous sealing between the upper shell and the lower shell. Therefore, the present application effectively overcomes the shortcomings of the prior art and has high industrial utilization value.

[0060] The above embodiments are only illustrative of the principles of the present application and its efficacy, and are not intended to limit the present application. Any modification or change made by any person skilled in the art without departing from the spirit and scope of the present application shall be covered by the claims of the present application.

Claims

1. A housing structure suitable for improving the IP protection class of an electricity meter, characterized in that, The utility model relates to a sealing module for module warehouse, including: A shell (1) is equipped with module warehouse (11) on the shell (1), and the inner side of module warehouse (11) is equipped with sealing step (101), and module warehouse (11) includes module area (111), pivot area (112) and installation area (113); The warehouse door assembly (2) includes a door (21), a shaft (22) and an installation ear (23), the shaft (22) is movably connected with the shaft area (112), the door (21) corresponds with the module area (111), and the installation ear (23) is detachably connected between the installation area (113); and The sealing assembly (3) is embedded in the inner side of the module warehouse (11) on one side of the top of the sealing step (101) in a circumferential direction, and the sealing assembly (3) is drivingly connected with the shaft (22); Wherein, when the installation ear (23) rotates to reach the installation area (113), the connection between the shaft (22) and the shaft area (112) is gradually locked from a movable state, the shaft (22) drives the sealing assembly (3), so that the sealing assembly (3) expands on the sealing step (101), and the edge of the door (21) is tightly sealed with the sealing assembly (3) on the sealing step (101); The inner wall of the module warehouse (11) is provided with an embedded groove (102), and the embedded groove (102) is located above the sealing step (101); The sealing assembly (3) comprises: A sealing ring (31) is provided, the sealing ring (31) is a hollow structure, the sealing ring (31) is installed in the embedded groove (102), and one side of the sealing ring (31) extends from the embedded groove (102) into the module warehouse (11), the bottom surface and the side end surface of the door (21) are respectively arranged on the surface of the sealing ring (31), and the side wall of the sealing ring (31) is provided with a through sleeve channel; A pull tab (32) is arranged in the embedded groove (102), and the pull tab (32) passes through the through sleeve channel in sequence and is connected to the two ends of the shaft (22) respectively; Wherein, when the shaft (22) rotates, the pull tab (32) is wound on the shaft (22), the pull tab (32) presses towards the sealing ring (31), the size of the sealing ring (31) extending out of the embedded groove (102) is increased, and the pressure of the sealing ring (31) on the lower surface of the door (21) is increased.

2. The housing structure suitable for enhancing the IP protection class of an electricity meter according to claim 1, characterized in that: The shaft (22) comprises: A shaft body (221) is movably connected to the two ends of the shaft area (112); A guide ring (222) is provided, the guide ring (222) is a spiral structure, and the guide ring (222) is circumferentially arranged at the two ends of the shaft body (221); and Locking blocks (223) are installed at the bottom of the rotating shaft area (112) on both sides, and each locking block (223) is located on one side of the corresponding guide ring (222) to match the gap between the guide ring (222) and the locking block (223) when the guide ring (222) rotates to open the door (21), and the guide ring (222) and the locking block (223) are pressed against each other when the guide ring (222) rotates to close the door (21).

3. The housing structure suitable for enhancing the IP protection class of an electricity meter according to claim 1, characterized in that: A first mounting groove is formed in the mounting lug (23), a second mounting groove corresponding to the first mounting groove is formed in the sealing step (101), a third mounting groove is formed in one side of the shell (1), the third mounting groove and the second mounting groove are in communication with each other, and the door assembly (2) further comprises a mounting piece (24). The mounting piece (24) comprises: A latch (241) is inserted into the second mounting groove through the first mounting groove, and a hanging hole (2411) is formed in the latch (241); and A mounting pin (242) is inserted into the third mounting groove, and the mounting pin (242) passes through the hanging hole (2411).

4. The housing structure suitable for enhancing the IP protection class of an electricity meter according to claim 1, characterized in that: The sealing ring (31) is gourd-shaped, the radial dimension of the sealing ring (31) located in the embedding groove (102) is greater than the radial dimension of the sealing ring (31) located in the module bin (11), the sealing ring (31) located in the module bin (11) is made of elastic material, the sealing ring (31) located in the embedding groove (102) is made of soft material, and the width of the pull tab (32) is less than half the circumference of the outer wall of the sealing ring (31).

5. The housing structure suitable for improving the IP protection class of an electric energy meter according to any one of claims 1-4, characterized in that: The shell (1) comprises an upper shell (12) and a lower shell (13), and one side of the bottom of the upper shell (12) is matched and mounted with one side of the top of the lower shell (13). The shell structure further comprises: A sealing frame assembly (4) is clamped on the outside of the matched and mounted upper shell (12) and lower shell (13), and the sealing frame assembly (4) is elastically attached to the outer side walls of the upper shell (12) and the lower shell (13) respectively, so as to continuously attach to the side surface of the upper shell (12) when the upper shell (12) is deformed, or continuously attach to the side surface of the lower shell (13) when the lower shell (13) is deformed.

6. The housing structure suitable for enhancing the IP protection class of an electricity meter according to claim 5, characterized in that: The sealing frame assembly (4) comprises: A protective shell (41) is installed on the lower shell (13), and a limiting groove (411) is arranged on one side of the protective shell (41); A sealing gasket (42) is inserted into the limiting groove (411) on one side, and the other side of the sealing gasket (42) is attached to the side surface of the upper shell (12) and the lower shell (13); and A pushing assembly (43) is installed in the limiting groove (411), one side of the pushing assembly (43) elastically abuts against one side of the sealing gasket (42) along the length direction of the sealing gasket (42), so that the other side of the sealing gasket (42) is pressed against the side surface of the upper shell (12) and the lower shell (13) respectively.

7. The housing structure suitable for enhancing the IP protection class of an electricity meter according to claim 6, characterized in that: The sealing gasket (42) comprises: An upper pressing gasket (421) corresponding to the side surface of the upper shell (12); A lower pressing gasket (422) corresponding to the side surface of the lower shell (13); and An intermediate gasket (423) connected between the upper pressing gasket (421) and the lower pressing gasket (422), and corresponding to the installation gap between the upper shell (12) and the lower shell (13); Wherein, the upper pressing gasket (421) and the lower pressing gasket (422) are provided with a plurality of notches (4201) near one side of the pushing assembly (43), and the notches (4201) are uniformly and spacedly arranged along the length direction of the intermediate gasket (423).

8. The housing structure suitable for enhancing the IP protection class of an electricity meter according to claim 6, characterized in that: The pushing assembly (43) comprises: A pushing plate (431) slidingly arranged in the limiting groove (411); An adjusting member (432) screwing from the outside of the protective shell (41) into the limiting groove (411), and rotationally connected with the pushing plate (431) to move the pushing plate (431) towards one side of the sealing gasket (42); and A long elastic member (433) arranged between the pushing plate (431) and the sealing gasket (42) to form extrusion of the sealing gasket (42) when the pushing plate (431) moves towards one side of the sealing gasket (42), so that the upper and lower sides of the sealing gasket (42) are tightly attached to the side surfaces of the upper shell (12) and the lower shell (13) along the length direction of the long elastic member (433).

9. The housing structure suitable for enhancing the IP protection class of an electricity meter according to claim 8, characterized in that: The pushing plate (431) comprises a plurality of sections corresponding to the respective direction side surfaces of the upper shell (12) and the lower shell (13), and each section of the pushing plate (431) corresponds to a plurality of adjusting members (432).

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