Anti-offset current sensor

Abstract

The utility model relates to the field of sensor installation, in particular to an anti-deviation current sensor which comprises a shell and at least two fastening assemblies, the shell is provided with a base, the base is provided with two oppositely-arranged connecting parts, the two connecting parts are located on the two sides of the bottom of the base, and the fastening assemblies are arranged on the two sides of the bottom of the base. Each connecting part is provided with a third connecting hole, the two fastening assemblies are matched with the two third connecting holes respectively, each fastening assembly comprises a connecting piece, the connecting piece is provided with an inserting end and an abutting end, the inserting end is connected with the abutting end, meanwhile, the inserting end is matched with the third connecting hole, and the abutting end is located at the top of the connecting part. A first annular mounting groove is formed in the side, close to the insertion end, of the abutting end, and a plurality of parallel balls are arranged in the first annular mounting groove. According to the utility model, the advantages of stable connection, stable installation, simple structure and high practicability can be realized by effectively utilizing the self structural configuration.

Description

Technical Field

[0001] The present application relates to the field of sensor installation, and more specifically to an anti-drift current sensor. Background Art

[0002] Our previous shell structure is as follows Figure 4 As shown, it has a base, and both sides of the base have a first positioning groove, the first positioning grooves pass through the base, and the ends of the two bases facing away from each other are also connected to the outside. It should also be noted that the above-mentioned base is also fixed on the external platform, and the external platform also has two oppositely arranged first connecting holes, and the two first connecting holes are also respectively opposite to the two first positioning grooves, wherein one end of the external bolt passes through the corresponding first positioning groove and is threadedly connected to the corresponding first connecting hole, and the other end of the external bolt squeezes the base, thereby limiting the position of the base. However, in the above-mentioned fixing method, the user needs to rotate the external bolt after squeezing the base, that is, to further fix the base, which will cause the base to be offset. Therefore, in response to this problem, there is a need to provide an anti-offset current sensor with stable connection and installation, simple structure and high practicality. Summary of the Invention

[0003] The main purpose of the present application is to provide an anti-drift current sensor, wherein the anti-drift current sensor can effectively utilize its own structural configuration to achieve the advantage of anti-drift.

[0004] Another object of the present application is to provide an anti-drift current sensor, wherein the anti-drift current sensor includes a shell and at least two fastening components, the shell having a base, the base having two oppositely arranged connecting parts, the two connecting parts being located on both sides of the bottom of the base, and each of the connecting parts having a third connecting hole, the two fastening components respectively matching the two third connecting holes, and each fastening component including a connecting piece, the connecting piece having an insertion end and a resting end, the insertion end being connected to the resting end, and the insertion end matching the third connecting hole, in addition, the resting end is located at the top of the connecting part, and the side of the resting end close to the insertion end has a first annular mounting groove, and a plurality of parallelly arranged balls are arranged in the first annular mounting groove, that is, the base is defined by the above-mentioned fastening component, and unlike the previous surface contact, the ball contact can effectively prevent the base from being offset by squeezing the connecting part.

[0005] Another object of the present application is to provide an anti-offset current sensor, wherein the anti-offset current sensor has a simple structure and is easy to operate, does not involve complex manufacturing processes and expensive materials, has high economy, and is easy to promote and use.

[0006] In order to achieve the above at least one purpose of the application, the application provides a current sensor with deviation prevention, wherein the current sensor with deviation prevention comprises:

[0007] a shell, the shell has a base, the base has two oppositely arranged connecting portions, the two connecting portions are located at two sides of the bottom of the base, and each connecting portion has a third connecting hole;

[0008] at least two fastening assemblies, the two fastening assemblies are matched with the two third connecting holes respectively, and each fastening assembly comprises a connecting piece, the connecting piece has an insertion end and an abutting end, the insertion end is connected with the abutting end, the insertion end is matched with the third connecting hole, the abutting end is located at the top of the connecting portion, and the side of the abutting end close to the insertion end has a first annular mounting groove, and a plurality of parallel arranged balls are arranged in the first annular mounting groove.

[0009] In one or more embodiments of the application, each fastening assembly further comprises a cover plate, and the cover plate is rotationally connected with the end of the abutting end away from the insertion end.

[0010] In one or more embodiments of the application, the cover plate further has a second annular mounting groove, the second annular mounting groove is also communicated with the first annular mounting groove, and the end of the plurality of balls away from the first annular mounting groove penetrates through the second annular mounting groove and is located at the side of the cover plate away from the abutting end.

[0011] In one or more embodiments of the application, the middle section of the base further has a second positioning groove, and the two ends of the second positioning groove are also communicated with the outside.

[0012] In one or more embodiments of the application, the current sensor with deviation prevention further comprises a telescopic assembly, the telescopic assembly comprises a connecting rod, an elastic piece and a contact plate, the connecting rod is fixed on the top wall forming the second positioning groove, the contact plate is fixedly connected with the end of the connecting rod, and the elastic piece is sleeved on the connecting rod and abuts against the side of the contact plate close to the connecting rod.

[0013] In one or more embodiments of the application, the end of the contact plate away from the connecting rod is further fixed with a rubber sheet.

[0014] In one or more embodiments of the application, the top wall forming the second positioning groove further has an insertion hole, the end of the connecting rod is further arranged in the insertion hole, and the bottom wall formed by the insertion hole is spaced apart from the end of the connecting rod arranged in the insertion hole by a predetermined distance. BRIEF DESCRIPTION OF DRAWINGS

[0015] These and / or other aspects and advantages of the present application will become more apparent and more fully understood from the following detailed description, taken in conjunction with the accompanying drawings, in which:

[0016] Figure 1 FIG. 1 illustrates a structural schematic diagram of a current sensor with anti- drift.

[0017] Figure 2 FIG. 1 illustrates a structural schematic diagram of a current sensor with anti- drift. Figure 1 FIG. 2 illustrates an enlarged view of the middle A.

[0018] Figure 3 FIG. 2 illustrates an enlarged view of the middle A. Figure 1 FIG. 3 illustrates an enlarged view of the middle B.

[0019] Figure 4 FIG. 4 illustrates a structural schematic diagram of an existing base. DETAILED DESCRIPTION

[0020] The terms and words used in the following description and claims are not limited to the bibliographical meanings, but are merely used to enable a clear and complete understanding of the application by those skilled in the art. Accordingly, it should be apparent to those skilled in the art that the following description of various embodiments of the present application is provided for illustration purpose only and not for the purpose of limiting the application as defined by the appended claims and their equivalents.

[0021] It is understood that the term "one" is understood to be "at least one" or "one or more," that is, in one embodiment, the number of an element can be one, and in another embodiment, the number of the element can be more than one, and the term "one" is not understood to be a limitation on the number.

[0022] Although ordinal numbers such as "first," "second," etc., will be used to describe various components, the components are not limited by the ordinal numbers. The ordinal numbers are used merely to distinguish one component from another. For example, a first component can be referred to as a second component, and likewise, a second component can also be referred to as a first component without departing from the teachings of the inventive concept. The term "and / or" used herein includes any and all combinations of one or more associated listed items.

[0023] The terms used herein are merely used to describe various embodiments and are not intended to limit the application. As used herein, the singular form is intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "has," when used in this specification, specify the presence of stated features, numbers, steps, operations, components, elements, or a combination thereof, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, elements, or groups thereof.

[0024] Illustrative Anti-Drift Current Sensor

[0025] Reference Figures 1 to 3 , according to a preferred embodiment of the anti-deviation current sensor of the utility model, wherein it needs to be pointed out that the structure of the anti-deviation current sensor is as shown in Figure 1 , the anti-deviation current sensor comprises a shell 10, and the utility model aims to solve the problem that the shell 10 may be deviated due to torsion during the installation of the shell 10. Specifically, the previous shell structure of our company is as shown in Figure 4 , which has a base, and the two sides of the base are provided with a first positioning groove, the first positioning groove penetrates the base, and the end of the two bases away from each other is also communicated with the outside, and it needs to be pointed out that the above-mentioned base is also fixed on the external platform, and the external platform is also provided with two oppositely arranged first connecting holes, the two first connecting holes are also respectively opposite to the two first positioning grooves, wherein one end of the external bolt penetrates through the corresponding first positioning groove and is threadedly connected with the corresponding first connecting hole, and the other end of the external bolt extrudes the base, so as to limit the position of the base, but the above-mentioned fixing mode, after extruding the base, the user still needs to rotate the external bolt, that is, to further fix the base, so as to cause the base to be deviated, therefore, aiming at this problem, the utility model is improved.

[0026] Specifically, the shell 10 has a base 11, the base 11 is provided with two oppositely arranged connecting portions 111, and the two connecting portions 111 are located on the two sides of the bottom of the base 11. In addition, the middle segment of the base 11 is also provided with a second positioning groove 1101, and the two ends of the second positioning groove 1101 are also communicated with the outside, and the installation platform 200 is provided with a guide protrusion, so as to cooperate with the base 11 of the utility model, that is, the second positioning groove 1101 can cooperate with the guide protrusion, so as to directly limit the placement position of the base 11, and it needs to be pointed out that the above-mentioned installation platform 200 is also provided with at least two second connecting holes 2001, and the two second connecting holes 2001 are oppositely arranged and spaced apart by a predetermined distance. In addition, each connecting portion 111 is provided with a third connecting hole 1102, and the two third connecting holes 1102 correspond to the two second connecting holes 2001 one by one.

[0027] Specifically, the anti-deviation current sensor further comprises a telescopic assembly 20, the telescopic assembly 20 comprises a connecting rod 21, an elastic member 22 and a contact plate 23, the connecting rod 21 is fixed on the top wall forming the second positioning groove 1101, and the contact plate 23 is fixedly connected with the end of the connecting rod 21, while the elastic member 22 is sleeved on the connecting rod 21 and abuts against one side of the contact plate 23 close to the connecting rod 21. It is worth mentioning that the end of the contact plate 23 away from the connecting rod 21 is also fixed with a rubber sheet 24, that is, the connecting mode can be implemented as adhesive connection, and specifically the rubber sheet 24 can be in contact with the guide block to ensure that the base 11 cannot be easily moved, that is, the preliminary positioning of the base 11 is realized by increasing the friction.

[0028] In addition, the top wall forming the second positioning groove 1101 also has an insertion hole, the end of the connecting rod 21 is also arranged in the insertion hole, and the bottom wall formed by the insertion hole is spaced apart from the end of the connecting rod 21 arranged in the insertion hole by a predetermined distance, thereby reserving space for the subsequent movement of the connecting rod 21, thereby satisfying the guide blocks of different heights, so that the rubber sheet 24 can always contact the guide block.

[0029] Specifically, the anti-deviation current sensor further comprises at least two fastening assemblies 30, and the two fastening assemblies 30 are respectively matched with two third connecting holes 1102.

[0030] Further, each fastening assembly 30 comprises a connecting piece 31, the connecting piece 31 has an insertion end and an abutting end, the insertion end is connected with the abutting end, and the insertion end penetrates through the corresponding third connecting hole 1102 and is threadedly connected with the corresponding second connecting hole 2001. That is, the position of the connecting portion 111 is positioned by the connecting piece 31. In addition, it should be noted that the abutting end is located at the top of the connecting portion 111, and the side of the abutting end close to the insertion end also has a first annular mounting groove 3101.

[0031] Further, each of the fastening assemblies 30 further comprises a cover plate 32, which is rotationally connected with the abutting end away from the insertion end, and the connection mode can be implemented as threaded connection. In addition, the cover plate 32 further has a second annular mounting groove 3201, which is also communicated with the first annular mounting groove 3101. It is worth mentioning that a plurality of parallelly arranged rolling balls 33 are arranged in the first annular mounting groove 3101, and one end of each of the rolling balls 33 away from the first annular mounting groove 3101 penetrates through the second annular mounting groove 3201 and is located on the side of the cover plate 32 away from the abutting end. It should be understood by those skilled in the art that the abutting end of the connecting piece 31 can be matched with an external tool, so that the user can rotate the connecting piece 31, so that the abutting portion moves a predetermined distance towards the top of the connecting portion 111, until the end of the plurality of rolling balls 33 located outside contacts the top of the connecting portion 111, thereby limiting the position of the connecting piece 31 by the rolling balls 33 extruding the connecting portion 111. Specifically, the above-mentioned embodiment has smaller torsion force applied to the connecting portion 111 than the existing face contact extrusion mode, and the base 11 is not easy to rotate.

[0032] In summary, the anti-deviation current sensor based on the embodiments of the present application is illustrated, which has the advantages of stable connection and installation, simple structure, high practicability and the like.

[0033] It is worth mentioning that in the embodiments of the present application, the anti-deviation current sensor has a simple structure, does not involve complex manufacturing processes and expensive materials, and has high economic efficiency. At the same time, for the manufacturers, the anti-deviation current sensor provided by the present application is easy to produce and has low cost, which is more conducive to controlling the production cost and further conducive to product promotion and use.

[0034] It should be understood by those skilled in the art that the embodiments of the utility model shown in the above description and drawings are only as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can have any deformation or modification without departing from the principle.

Claims

1. A drift immune current sensor, characterized by The anti-deviation current sensor comprises: a housing, the housing has a base, the base has two opposite connecting portions, the two connecting portions are located at two sides of the bottom of the base, and each connecting portion has a third connecting hole; at least two fastening assemblies, the two fastening assemblies are matched with the two third connecting holes respectively, and each fastening assembly comprises a connecting piece, the connecting piece has an insertion end and an abutting end, the insertion end is connected with the abutting end, the insertion end is matched with the third connecting hole, the abutting end is located at the top of the connecting portion, and the side of the abutting end close to the insertion end has a first annular mounting groove, and a plurality of parallel arranged balls are arranged in the first annular mounting groove.

2. The anti-deviation current sensor according to claim 1, wherein each fastening assembly further comprises a cover plate, the cover plate is rotationally connected with the end of the abutting end away from the insertion end.

3. The anti-deviation current sensor according to claim 2, wherein the cover plate further has a second annular mounting groove, the second annular mounting groove is also communicated with the first annular mounting groove, and the plurality of balls away from one end of the first annular mounting groove all pass through the second annular mounting groove and are located at the side of the cover plate away from the abutting end.

4. The anti-deviation current sensor according to claim 3, wherein the middle section of the base further has a second positioning groove, and the two ends of the second positioning groove are also communicated with the outside.

5. The anti-deviation current sensor according to claim 4, wherein the anti-deviation current sensor further comprises a telescopic assembly, the telescopic assembly comprises a connecting rod, an elastic member and a contact plate, the connecting rod is fixed on the top wall forming the second positioning groove, the contact plate is fixedly connected with the end of the connecting rod, and the elastic member is sleeved on the connecting rod and abuts against the side of the contact plate close to the connecting rod.

6. The anti-deviation current sensor according to claim 5, wherein the end of the contact plate away from the connecting rod is further fixed with a rubber sheet.

7. The anti-deviation current sensor according to claim 6, wherein the top wall forming the second positioning groove further has an insertion hole, the end of the connecting rod is further arranged in the insertion hole, and the bottom wall formed by the insertion hole is spaced apart from the end of the connecting rod arranged in the insertion hole by a predetermined distance.

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