Lead sealing structure, electric energy meter comprising lead sealing structure and acquisition terminal device comprising lead sealing structure

Abstract

The utility model relates to the technical field of instrument devices, in particular to a lead sealing structure and an electric energy meter and an acquisition terminal device comprising the lead sealing structure, the lead sealing structure comprises a shell, a lead sealing cap with a tooth structure and at least one positioning rib, the shell is provided with a lead sealing hole, the lead sealing cap is arranged in the lead sealing hole, and the positioning rib is arranged in the lead sealing hole. The positioning rib is arranged on the inner side wall of the lead sealing hole, protrudes out of the inner side wall of the lead sealing hole and is connected with the tooth structure of the lead sealing cap in a matched mode so as to limit rotation of the lead sealing cap. According to the utility model, the positioning rib is designed on the inner side wall of the lead sealing hole, and the positioning rib is matched and connected with the tooth structure of the lead sealing cap to form interlocking locking, so that the direction of the lead sealing cap is ensured, the lead sealing cap is effectively prevented from rotating easily, and the safety and the stability of the lead sealing structure are improved; the lead sealing structure solves the problem that the lead sealing cap of the lead sealing structure in the prior art is easy to rotate.

Description

TECHNICAL FIELD

[0001] The utility model relates to instrument device technical field especially, relates to a lead seal structure and contains its electric energy meter and collection terminal class device. BACKGROUND

[0002] In some collection terminal class devices, such as electric energy meter and concentrator, usually have data acquisition, processing, storage and communication functions, therefore, need to prevent non-professionals from making unauthorized changes or adjustments to these devices at all times, and prevent users or other criminals from stealing electricity by changing internal components of electric energy meter, tampering with wiring and other ways, so as to ensure the accuracy of data acquisition and measurement, and protect the legal rights and interests of power enterprises and users.

[0003] In view of the above reasons for preventing collection terminal class devices from being damaged or data stolen, the prior art usually adopts the design of lead seal structure: the lead seal structure is fixed on the shell of the device by screws, and the lead seal cap is embedded in the lead seal structure to form a seal, wherein the design of the lead seal cap is particularly important, and generally has anti-fake and anti-picking functions, making it difficult for non-professionals to open or damage it, and generally has identifiable marks, such as unique codes, two-dimensional codes or power supply enterprise logos, etc., for preventing forgery and facilitating management and tracing by the power department, and also making any illegal modification of the device be discovered in time, and once the lead seal cap is opened or damaged, its integrity will be damaged, so it can be easily identified by the power department.

[0004] However, the existing lead seal structure still has a significant defect: the lead seal cap is mostly circular, and its direction can be easily rotated inadvertently, which may provide an opportunity for criminals to conduct hidden illegal operations without being easily detected. Therefore, there is an urgent need to design a lead seal structure that can effectively prevent the lead seal cap from being easily rotated. SUMMARY

[0005] Therefore, the utility model provides a kind of lead seal structure and contains its electric energy meter and collection terminal class device for solving the problem of the direction of the lead seal cap of the lead seal structure in prior art being easily rotated.

[0006] To solve the above technical problems, one technical scheme of the utility model is to provide a lead seal structure, the lead seal structure includes: a shell, the shell is provided with a lead seal hole;

[0007] The lead seal cap with the tooth structure is arranged in the lead seal hole;And

[0008] At least one positioning rib is arranged on the inner side wall of the lead seal hole, the positioning rib protrudes from the inner side wall of the lead seal hole, and is matched and connected with the tooth structure of the lead seal cap to limit rotation of the lead seal cap.

[0009] As an embodiment of the utility model, the tooth structure is located on the outer circumferential surface of the lead seal cap, and the lead seal cap abuts against the inner side wall of the lead seal hole.

[0010] As an embodiment of the utility model, the number of the positioning ribs is two, and the two positioning ribs are arranged on opposite ends of the inner side wall of the lead seal hole.

[0011] As an embodiment of the utility model, the inner side wall of the lead seal hole protrudes towards the hole center to form a first clamping groove, the positioning rib is arranged on a first inner side wall of the first clamping groove, and the lead seal cap abuts against the first clamping groove.

[0012] As an embodiment of the utility model, the tooth structure has a tooth opening, and the width of the part of the positioning rib protruding from the inner side wall is greater than or equal to the width of the tooth opening.

[0013] As an embodiment of the utility model, the lead seal structure further comprises a lead seal tongue, the lead seal tongue protrudes from the lead seal cap and forms an integral structure with the lead seal cap, the inner side wall of the lead seal hole protrudes towards the hole center to form a second clamping groove lower than the first clamping groove, and the lead seal tongue is arranged in the second clamping groove.

[0014] As an embodiment of the utility model, the distance from the first inner side wall of the first clamping groove to the hole center of the lead seal hole is a first length, the distance from the second inner side wall of the second clamping groove to the hole center of the lead seal hole is a second length, and the first length is greater than the second length.

[0015] As an embodiment of the utility model, the lead seal cap has a first end surface, the first end surface is opposite to the lead seal tongue, and the first end surface is used for setting a preset mark.

[0016] The utility model provides a kind of electric energy meter to solve above-mentioned technical problem, and the electric energy meter includes the lead seal structure described above.

[0017] The utility model provides a kind of acquisition terminal device to solve above-mentioned technical problem, and the acquisition terminal device includes the lead seal structure described above.

[0018] Compared with prior art, the lead seal structure provided in the utility model embodiment, and the electric energy meter and the acquisition terminal device containing it have the following advantages:

[0019] 1. The lead seal structure provided by the utility model discloses a positioning rib is designed on the inner side wall of the lead seal hole, the positioning rib is connected with the tooth structure of the lead seal cap, interlocking locking is formed, the direction of the lead seal cap is guaranteed, the lead seal cap is prevented from rotating easily, the safety and stability of the lead seal structure are increased, therefore, the problem of the direction of the lead seal cap in the prior art being rotated easily is solved.

[0020] 2. The lead seal structure provided by the utility model discloses that the lead seal cap is arranged in the lead seal hole and abuts against the inner side wall, the installation of the lead seal cap is more stable, the sealing property of the lead seal structure is improved, and the anti-tamper performance of the lead seal structure is further improved.

[0021] 3. The lead seal structure provided by the utility model discloses that the two positioning ribs are symmetrically arranged at opposite ends of the inner side wall of the lead seal hole, the rotation of the lead seal cap is more uniformly limited, and the stability and reliability of the lead seal structure are further improved.

[0022] 4. The lead seal structure provided by the utility model discloses that the first clamping groove is arranged to improve the stable support of the lead seal cap, the firmness of the lead seal structure is increased, the positioning rib is arranged on the inner side wall of the first clamping groove, and the lead seal cap abuts against the first clamping groove, so that the cooperation between the lead seal cap and the positioning rib is more compact.

[0023] 5. The lead seal structure provided by the utility model discloses that the width of the part, where the positioning rib protrudes from the inner side wall, is greater than or equal to the width of the tooth gap, the positioning rib can be firmly clamped into the tooth gap of the tooth structure, the lead seal cap is prevented from rotating or falling off under stress, and the safety of the lead seal structure is improved.

[0024] 6. The lead seal structure provided by the utility model discloses that the lead seal tongue protrudes from the lead seal cap and forms an integrated structure with the lead seal cap, the lead seal structure is more firm, the second clamping groove provides additional support for the lead seal tongue, and the overall stability of the lead seal structure is further improved.

[0025] 7. The lead seal structure provided by the utility model discloses that the distance from the inner side wall of the first clamping groove to the hole center of the lead seal hole is a first length, the distance from the second inner side wall of the second clamping groove to the hole center of the lead seal hole is a second length, and the first length is greater than the second length, the lead seal cap and the lead seal tongue can be arranged in clamping grooves of different depths, and the level and stability of the lead seal structure are increased.

[0026] 8. The lead seal structure provided by the utility model discloses that a first end face opposite the lead seal tongue is designed on the lead seal cap, the first end face can provide an additional information display space, can be used for setting a preset mark, and is helpful for tracking and identifying the use of the lead seal structure, and the convenience and accuracy of management are improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0028] Among them:

[0029] Figure 1 The structure schematic diagram of the shell and the positioning rib of the lead seal structure is shown;

[0030] Figure 2 The front view structure schematic diagram of the lead seal cap of the lead seal structure is shown;

[0031] Figure 3 The top view structure schematic diagram of the lead seal cap of the lead seal structure is shown;

[0032] Figure 4 The structure schematic diagram of the lead seal structure provided by the embodiment one of the present application is shown; Figure 1 The enlarged view of B in the middle;

[0033] Figure 5 The side view structure schematic diagram of the shell and the positioning rib of the lead seal structure is shown;

[0034] Figure 6 The sectional view of the lead seal structure provided by the embodiment one of the present application is shown; Figure 5 The sectional view of the lead seal structure provided by the embodiment one of the present application is shown.

[0035] The drawing mark explanation is as follows:

[0036] 11, shell; 12, lead seal cap; 13, positioning rib; 14, lead seal tongue;

[0037] 111, lead seal hole; 121, tooth structure; 122, first end face; 141, tongue hook;

[0038] 1111, first clamping groove; 1112, second clamping groove; 1211, tooth gap;

[0039] 11111, first inner side wall; 11121, second inner side wall. DETAILED DESCRIPTION

[0040] For the purpose of promoting an understanding of the present application, the present application will be described in greater detail below with reference to the illustrative embodiments. In order to facilitate this description, there are illustrated and described embodiments of the present application. However, the present application can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It is therefore

[0041] Unless otherwise defined, 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 application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0042] It is to be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. It is also to be understood that the term "including" or "comprising" or "having" and the like means the inclusion of one or more features, integers, steps, operations, elements, components, parts, or combinations thereof, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, parts, or combinations thereof.

[0043] It is to be understood that when a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components can also be present. The terms "vertical", "horizontal", "left", "right", and similar expressions as used herein are for illustrative purposes only. In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used for better description of the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the present application can be understood according to the specific circumstances.

[0044] In addition, the terms "provided", "provided with", "connected", "connected to" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0045] Embodiment one

[0046] Please combine Figure 1 And Figure 2 The first embodiment of the utility model discloses a lead seal structure, can and not limited to be used for electric energy meter and collection terminal class device. The lead seal structure includes the shell 11, the lead seal cap 12 with the tooth structure 121 and at least one positioning rib 13, the shell 11 is opened with lead seal hole 111, the lead seal cap 12 is located in the lead seal hole 111, the positioning rib 13 is located in the inner side wall of the lead seal hole 111, the positioning rib 13 protrudes the inner side wall of the lead seal hole 111, and is connected with the tooth structure 121 of the lead seal cap 12, to limit the rotation of the lead seal cap 12.

[0047] Specifically, the shell 11 is part of the shell structure of the collection terminal class device, the lead seal cap 12 is a cylindrical structure, is located in the lead seal hole 111, and the positioning rib 13 is a strip structure, is located in the inner side wall of the lead seal hole 111, and can also be understood that the positioning rib 13 is integrated with the inner side wall of the lead seal hole 111, and the positioning rib 13 is a rib formed by protruding from the inner side wall of the lead seal hole 111, can be connected with the tooth structure 121 of the lead seal cap 12 in the lead seal hole 111 to form interlocking, thereby limiting the rotation of the lead seal cap 12.

[0048] It can be understood that the lead seal cap 12 is cylindrical and has a tooth structure 121, is located in the lead seal hole 111, and can easily rotate, the utility model provides an effective lead sealing mode, the positioning rib 13 is designed on the inner side wall of the lead seal hole 111, the positioning rib 13 is connected with the tooth structure 121 of the lead seal cap 12, interlocking is formed, thereby ensuring the direction of the lead seal cap 12, effectively preventing the direction of the lead seal cap 12 from easily rotating, increasing the safety and stability of the lead seal structure, therefore, the utility model solves the problem of the direction of the lead seal cap 12 in the prior art.

[0049] Further, the tooth structure 121 is located on the outer circumferential surface of the lead seal cap 12, and the lead seal cap 12 abuts against the inner side wall of the lead seal hole 111.

[0050] Specifically, the lead seal cap 12 is placed in the lead seal hole 111 and abuts against the inner side wall, can make the installation of the lead seal cap 12 more stable, improve the sealing property of the lead seal structure, and further improve the anti-tamper performance of the lead seal structure.

[0051] Specifically, the tooth structure 121 is located on the outer circumferential surface of the cylindrical lead sealing cap 12, and at least one can facilitate cooperation with the positioning rib 13, in the embodiment of the utility model, the tooth structure 121 covers the outer circumferential surface of the cylindrical lead sealing cap 12, so that the lead sealing cap 12 can be connected with the positioning rib 13 in the lead sealing hole 111 in any direction.

[0052] Further, please combine Figure 2 And Figure 3 It is shown that the tooth structure 121 has a tooth opening 1211, and the width of the part of the positioning rib 13 protruding from the inner side wall is greater than or equal to the width of the tooth opening 1211.

[0053] Specifically, the width of the part of the positioning rib 13 protruding from the inner side wall is greater than or equal to the width of the tooth opening 1211, which can ensure that the positioning rib 13 can be firmly clamped into the tooth opening 1211 of the tooth structure 121, prevent the lead sealing cap 12 from rotating or falling off under stress, and improve the safety of the lead sealing structure.

[0054] Further, the lead sealing cap 12 has a first end face 122, the first end face 122 is opposite to the lead sealing tongue 14, and the first end face 122 is used for setting a preset mark.

[0055] Specifically, the first end face 122 of the lead sealing cap 12 opposite to the lead sealing tongue 14 can provide additional information display space for setting a preset mark, which is helpful for tracking and identifying the use of the lead sealing structure and improves the convenience and accuracy of management.

[0056] More specifically, the preset mark is an identifiable mark, including but not limited to an identifiable code, a two-dimensional code or a word, a number, a date of a power supply enterprise, etc., which can facilitate anti-counterfeiting, traceability and management.

[0057] Further, please combine Figure 2 And Figure 4 It is shown that the inner side wall of the lead sealing hole 111 protrudes towards the hole center to form a first clamping groove 1111, the positioning rib 13 is arranged on the first inner side wall 11111 of the first clamping groove 1111, and the lead sealing cap 12 abuts against the first clamping groove 1111.

[0058] Specifically, the first clamping groove 1111 is arranged to improve the stable support of the lead sealing cap 12, increase the firmness of the lead sealing structure, and the positioning rib 13 is arranged on the first inner side wall 11111, and the lead sealing cap 12 abuts against the first clamping groove 1111, so that the cooperation between the lead sealing cap 12 and the positioning rib 13 is more close.

[0059] Specifically, please refer to Figure 4As shown, the positioning rib 13 is in a strip structure and is perpendicular to the groove bottom of the first clamping groove 1111, so that the positioning rib 13 has the maximum resistance to the lead seal cap 12 in the direction of the force, and the interlocking force between the positioning rib 13 and the lead seal cap 12 is maximized, further improving the anti-tampering performance and safety of the lead seal structure.

[0060] Further, please refer to Figure 2 and Figure 4 As shown, the lead seal structure further comprises a lead seal tongue 14 which protrudes from the lead seal cap 12 and forms an integral structure with the lead seal cap 12; the inner side wall of the lead seal hole 111 protrudes towards the hole center to form a second clamping groove 1112 which is lower than the first clamping groove 1111, and the lead seal tongue 14 is arranged in the second clamping groove 1112.

[0061] Specifically, the lead seal tongue 14 protrudes from the lead seal cap 12 and forms an integral structure with the lead seal cap 12, which makes the lead seal structure more firm, and the second clamping groove 1112 provides additional support for the lead seal tongue 14, which can improve the overall stability of the lead seal structure.

[0062] Further, please refer to Figure 4 to Figure 6 As shown, the distance from the first inner side wall 11111 of the first clamping groove 1111 to the hole center of the lead seal hole 111 is a first length, and the distance from the second inner side wall 11121 of the second clamping groove 1112 to the hole center of the lead seal hole 111 is a second length, and the first length is greater than the second length.

[0063] Specifically, please refer to Figure 4 and Figure 6 As shown, the distance from the first inner side wall 11111 of the first clamping groove 1111 to the hole center of the lead seal hole 111 is a first length H, and the distance from the second inner side wall 11121 of the second clamping groove 1112 to the hole center of the lead seal hole 111 is a second length L, and the length of H is greater than the length of L, which can make the lead seal cap 12 and the lead seal tongue 14 be arranged in clamping grooves of different depths, increasing the level and stability of the lead seal structure, and it can also be understood that the circumference of the first inner side wall 11111 is greater than the circumference of the second inner side wall 11121.

[0064] More specifically, the first clamping groove 1111 and the second clamping groove 1112 are a stepped double-layer groove structure, which can also be understood as a double-layer stepped boss structure, and the middle hole is the lead seal hole 111, which can clamp the lead seal cap 12 and the lead seal tongue 14 on the boss structures of the first clamping groove 1111 and the second clamping groove 1112, respectively, further strengthening the stability of the lead seal structure.

[0065] Further, the second clamping groove 1112 is provided with a buckle structure (not shown in the figure), the end of the lead seal tongue 14 is formed with a tongue hook 141, and the tongue hook 141 is buckled and connected with the buckle structure.

[0066] Specifically, the lead seal cap 12 can prevent the lead seal structure from falling off or loosening under force by buckling and connecting the tongue hook 141 of the lead seal tongue 14 with the buckle structure, so that the lead seal structure is more firm, and the reliability and safety of the lead seal structure are increased.

[0067] Optionally, the number of the positioning ribs 13 can be 2, 4, 6, 8 or 10.

[0068] Specifically, in the embodiment of the utility model, taking the number of the positioning ribs 13 as 2 as an example for specific description, please combine Figure 5 and Figure 6 It is shown that the number of the positioning ribs 13 is two, and the two positioning ribs 13 are respectively arranged at opposite ends of the inner side wall of the lead seal hole 111.

[0069] Specifically, the two positioning ribs 13 are respectively arranged at opposite ends of the inner side wall of the lead seal hole 111 in a symmetrical manner, which can more evenly limit the rotation of the lead seal cap 12, and further improve the stability and reliability of the lead seal structure.

[0070] Embodiment two

[0071] The second embodiment of the utility model discloses an electric energy meter, which comprises the lead seal structure in the first embodiment.

[0072] The electric energy meter provided by the second embodiment of the utility model has the same effect as the lead seal structure provided by the first embodiment, and will not be repeated here.

[0073] Embodiment three

[0074] The third embodiment of the utility model discloses a collection terminal device, which comprises the lead seal structure in the first embodiment.

[0075] Specifically, the collection terminal device is used for collecting and monitoring the power consumption information of power users, such as a power consumption information collection terminal, which can be and is not limited to a special transformer collection terminal, a centralized meter reading terminal, a distributed energy monitoring terminal and the like.

[0076] The collection terminal device provided by the third embodiment of the utility model has the same effect as the lead seal structure provided by the first embodiment, and will not be repeated here.

[0077] Any combination of the technical features in the above embodiments can be made, and for the sake of brevity, not all possible combinations are described above, however, as long as the combination of the technical features does not exist contradictory, it shall be considered within the scope of the present disclosure.

[0078] The above embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it shall not be understood as a limitation on the scope of the utility model patent. It shall be pointed out that, for ordinary skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. A lead seal structure, characterized by: The lead seal structure comprises: a shell with a lead seal hole; a lead seal cap with a tooth structure, the lead seal cap being arranged in the lead seal hole; and at least one positioning rib arranged on an inner side wall of the lead seal hole, the positioning rib protruding from the inner side wall of the lead seal hole and being connected with the tooth structure of the lead seal cap in a matching manner to limit rotation of the lead seal cap.

2. The lead seal structure of claim 1 wherein: The tooth structure is located on an outer circumferential surface of the lead seal cap, and the lead seal cap abuts against the inner side wall of the lead seal hole.

3. The lead seal structure of claim 1 wherein: The number of the positioning ribs is two, and the two positioning ribs are respectively arranged on opposite ends of the inner side wall of the lead seal hole.

4. The lead seal structure of claim 2 wherein: The inner side wall of the lead seal hole protrudes towards a hole center to form a first clamping groove, the positioning rib is arranged on a first inner side wall of the first clamping groove, and the lead seal cap abuts against the first clamping groove.

5. The lead seal structure of claim 2 wherein: The tooth structure has a tooth opening, and the width of the part of the positioning rib protruding from the inner side wall is greater than or equal to the width of the tooth opening.

6. The lead seal structure of claim 4 wherein: The lead seal structure further comprises a lead seal tongue, the lead seal tongue protruding from the lead seal cap and forming an integral structure with the lead seal cap; the inner side wall of the lead seal hole protrudes towards the hole center to form a second clamping groove lower than the first clamping groove, and the lead seal tongue is arranged in the second clamping groove.

7. The lead seal structure of claim 6 wherein: The distance from the first inner side wall of the first clamping groove to the hole center of the lead seal hole is a first length, the distance from the second inner side wall of the second clamping groove to the hole center of the lead seal hole is a second length, and the first length is greater than the second length.

8. The lead seal structure of claim 6 wherein: The lead seal cap has a first end surface opposite to the lead seal tongue, and the first end surface is used for arranging a preset mark.

9. An electric energy meter, characterized by: The electric energy meter comprises the lead seal structure according to any one of claims 1 to 8.

10. A terminal device, comprising: The collection terminal device comprises the lead seal structure according to any one of claims 1 to 8.

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