Multifunctional screwdriver capable of measuring real voltage

Abstract

The utility model relates to the technical field of test pencils, and discloses a multifunctional screwdriver capable of measuring real voltage, which comprises a shell body, a voltage test circuit assembly, a screwdriver rod body and an end cover. The shell body comprises an assembly cavity with an insertion opening; the end cover is arranged in the insertion opening; the voltage testing circuit assembly comprises an inner shell inserted into the assembling cavity through the insertion opening and an electricity testing contact part arranged on the end cover, a circuit board, a conductive adapter, a display screen and a power supply are integrated in the inner shell, the conductive adapter, the display screen and the power supply are electrically connected with the circuit board, and the electricity testing contact part is electrically connected with the circuit board and is configured to be in electric contact with a human body; the cutter bar body is arranged on the shell body and connected with the conductive adapter. According to the multifunctional screwdriver capable of measuring the real voltage, the circuit board, and the conductive adapter, the display screen and the power supply which are electrically connected with the circuit board are integrated in the inner shell to form a modular structure, so that the multifunctional screwdriver can be inserted into the assembly cavity from the insertion opening in an integrated module form, the integration level is high, and the real voltage can be measured.

Description

Technical Field

[0001] The utility model relates to the technical field of electric test pens, in particular to a multifunctional screwdriver capable of measuring real voltage. Background Art

[0002] A voltage tester is also commonly known as a voltage tester or voltage detection pen. It is a tool used to detect whether there is voltage in a circuit. It usually consists of a pen-shaped shell and a built-in voltage detection circuit.

[0003] The Chinese utility model patent with the authorization announcement number CN 218099348 U discloses a voltage tester that allows the user to know the real value of the measured voltage instead of the simulated fixed voltage value. However, the current related voltage tester mainly includes a housing, various electronic components installed in the housing, etc., and its structural integration is low and the assembly is not convenient.

[0004] Therefore, there is an urgent need to provide a multifunctional screwdriver that can measure the real voltage, wherein the various electronic components inside the screwdriver are highly integrated, easy to assemble, and can measure the real voltage. Utility Model Content

[0005] Based on the above, the purpose of the utility model is to provide a multifunctional screwdriver capable of measuring real voltage, wherein various electronic components inside the screwdriver are highly integrated, easy to assemble, and capable of measuring real voltage.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The embodiment of the present application provides a multifunctional screwdriver capable of measuring real voltage, which comprises:

[0008] The housing body comprises an assembly cavity having an insertion opening;

[0009] An end cover, which is arranged on the insertion opening;

[0010] A voltage test circuit assembly, comprising an inner housing inserted into the assembly cavity through the insertion opening, an electrical measuring contact portion arranged on the end cover, wherein a circuit board and a conductive adapter, a display screen and a power supply electrically connected to the circuit board are integrated in the inner housing, the electrical measuring contact portion is electrically connected to the circuit board, and the electrical measuring contact portion is configured to be in electrical contact with a human body;

[0011] The blade rod body is arranged on the shell body and connected to the conductive adapter.

[0012] In some embodiments, the housing body comprises:

[0013] handle part;

[0014] The arbor support portion is fixedly connected to the handle portion, the handle portion has a first accommodating cavity, the arbor support portion has a second accommodating cavity connected to one end of the first accommodating cavity to form the assembly cavity, and the other end of the first accommodating cavity forms the insertion opening;

[0015] Wherein, the inner shell is arranged in the first accommodating cavity, and the conductive adapter faces the second accommodating cavity, the shank body includes an integrally formed blade head section and a blade body section, the blade head section extends out of the second accommodating cavity, the blade body section is penetrated through the second accommodating cavity and at least partially fits with the inner wall of the second accommodating cavity, and the blade body section extends into the inner shell and is electrically connected to the conductive adapter.

[0016] In some embodiments, the shank support portion is an elongated columnar structure.

[0017] In some embodiments, the shank support portion comprises:

[0018] First column segment;

[0019] A second column segment, fixedly connected to the first column segment along the axial direction of the shank support portion;

[0020] Wherein, one end of the first column segment away from the second column segment is fixedly connected to the handle portion, and the maximum outer diameter of the first column segment is greater than the maximum outer diameter of the second column segment.

[0021] In some embodiments, the first column segment and the second column segment are integrally formed; and / or; the length of the blade head segment does not exceed 1 / 3 of the length of the blade body segment.

[0022] In some embodiments, the handle portion and the shank support portion are integrally formed.

[0023] In some embodiments, the inner shell is provided with a third accommodating cavity having an avoidance through hole, and the blade segment is electrically connected to the conductive adapter at the avoidance through hole.

[0024] In some embodiments, the inner housing comprises:

[0025] a first half shell;

[0026] The second half shell is detachably connected to the first half shell and together encloses the third accommodating cavity.

[0027] In some embodiments, the multifunctional screwdriver capable of measuring real voltage further comprises:

[0028] The anti-skid cover is arranged on the outer surface of the shell body, and the outer surface of the anti-skid cover is provided with anti-skid patterns or anti-skid protrusions.

[0029] In some embodiments, one of the shell body and the anti-slip cover has an inner recess, and the other has a limiting fitting portion capable of filling the inner recess, and the anti-slip cover is injection molded on the outer surface of the shell body.

[0030] The beneficial effects of the utility model are:

[0031] The utility model discloses a multifunctional screwdriver capable of measuring real voltage, comprising a shell body, a voltage test circuit assembly, a shank body and an end cover. The shell body comprises an assembly cavity having an insertion opening; the end cover is arranged on the insertion opening; the voltage test circuit assembly comprises an inner shell body inserted into the assembly cavity by the insertion opening, an electrical measuring contact portion arranged on the end cover, and a circuit board and a conductive adapter, a display screen and a power supply electrically connected to the circuit board are integrated in the inner shell body, the electrical measuring contact portion is electrically connected to the circuit board, and the electrical measuring contact portion is configured to be in electrical contact with a human body; the shank body is arranged in the shell body and is connected to the conductive adapter. The utility model discloses a multifunctional screwdriver capable of measuring real voltage, wherein a circuit board and a conductive adapter, a display screen and a power supply electrically connected to the circuit board are integrated in the inner shell body, forming a modular structure, and then the circuit board can be inserted into the assembly cavity by the insertion opening in the form of an integrated module, with high integration, and capable of measuring real voltage. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0033] Figure 1 A three-dimensional schematic diagram of a multifunctional screwdriver capable of measuring real voltage provided in an embodiment of the present application;

[0034] Figure 2 Schematic diagram of disassembling a multifunctional screwdriver capable of measuring real voltage provided in an embodiment of the present application Figure 1 ;

[0035] Figure 3 Schematic diagram of disassembling a multifunctional screwdriver capable of measuring real voltage provided in an embodiment of the present application Figure 2 ;

[0036] Figure 4 A cross-sectional schematic diagram of a multifunctional screwdriver capable of measuring real voltage provided in an embodiment of the present application;

[0037] Figure 5 A three-dimensional schematic diagram of an inner shell provided for an embodiment of the present application.

[0038] In the figure:

[0039] 1. Shell body; 11. Handle portion; 111. First accommodating cavity; 112. Inner recess; 12. Tool bar supporting portion; 121. Second accommodating cavity; 122. First column section; 123. Second column section;

[0040] 2. Voltage test circuit assembly; 20. Inner housing; 200. Third accommodating chamber; 201. First half housing; 202. Second half housing; 21. Circuit board; 22. Conductive adapter; 23. Electrical test contact; 24. Display screen; 25. Power supply;

[0041] 3. Cutter body; 31. Cutter head section; 32. Cutter body section;

[0042] 4. End cap;

[0043] 5. Anti-slip cover. DETAILED DESCRIPTION

[0044] In order to make the technical problems solved by the utility model, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0045] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0047] In the description of this embodiment, the terms "upper", "lower", "left", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplified operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0048] At present, the relevant electric test pencil mainly comprises a shell, and various electronic components and other parts are respectively installed in the shell. The structural integration is low and the assembly is not convenient.

[0049] For the above problems, refer to Figure 1-5 The embodiment of the present application provides a multifunctional screwdriver capable of measuring real voltage, including a shell body 1, a voltage test circuit assembly 2, a shank body 3 and an end cover 4. The shell body 1 includes an assembly cavity having an insertion opening; the end cover 4 is provided on the insertion opening; the voltage test circuit assembly 2 includes an inner shell 20 inserted into the assembly cavity by the insertion opening, and an electrical contact portion 23 provided on the end cover 4, and a circuit board 21 and a conductive adapter 22, a display screen 24 and a power supply 25 electrically connected to the circuit board 21 are integrated in the inner shell 20, the electrical contact portion 23 is electrically connected to the circuit board 21, and the electrical contact portion 23 is configured to be in electrical contact with a human body; the shank body 3 is provided on the shell body 1 and is connected to the conductive adapter 22. The inner shell 20 of the multifunctional screwdriver capable of measuring real voltage of the embodiment of the present application is integrated with a circuit board 21 and a conductive adapter 22, a display screen 24 and a power supply 25 electrically connected to the circuit board 21 to form a modular structure, and can be inserted into the assembly cavity through the insertion opening in the form of an integrated module, with high integration and capable of measuring real voltage.

[0050] In the embodiment of the present application, the electrical contact portion 23 is electrically connected to the circuit board 21, and the electrical contact portion 23 is configured to be in electrical contact with the human body, so that the object to be tested, the shank body 3, the voltage test circuit assembly 2, the human body and the earth form a conductive loop to perform voltage testing. The specific real voltage test circuit can be an existing one, which will not be described in detail; the display screen 24 is electrically connected to the circuit board 21, and the display screen 24 is used to display the electrical voltage for easy reading; the power supply 25 is arranged on the shell body 1 and is electrically connected to the circuit board 21, and the power supply 25 is used to provide electrical energy, which can be used for real voltage testing. When in use, the user can directly abut the electrical contact portion 23 arranged on the end cover 4 to perform subsequent voltage testing. Among them, the way to start the machine can be to abut and contact the electrical contact portion 23 and the shank body 3 with two fingers at the same time, so as to form a test loop, activate the multifunctional screwdriver that can measure the real voltage, and perform voltage testing, or other existing starting methods, such as button starting, which will not be described in detail.

[0051] In addition, the current related electric test pens can only be used for measuring electricity, and they do not have the structural strength of a screwdriver and cannot be truly used as a screwdriver. Further, in some embodiments, the shell body 1 includes a handle portion 11 and a shank support portion 12; the shank support portion 12 and the handle portion 11 are fixedly connected to each other, the handle portion 11 has a first accommodating cavity 111, and the shank support portion 12 has a second accommodating cavity 121 connected to one end of the first accommodating cavity 111 to form an assembly cavity, and the other end of the first accommodating cavity 111 forms an insertion opening; wherein the inner shell 20 is arranged in the first accommodating cavity 111, and the conductive adapter 22 faces the second accommodating cavity 121, the shank body 3 includes an integrally formed blade head section 31 and a blade body section 32, the blade head section 31 extends out of the second accommodating cavity 121, the blade body section 32 is penetrated in the second accommodating cavity 121 and at least partially fits with the inner wall of the second accommodating cavity 121, and the blade body section 32 extends into the inner shell 20 and is electrically connected to the conductive adapter 22. More specifically, the inner housing 20 is provided with a third accommodating cavity 200 having an escape hole, and the blade section 32 is electrically connected to the conductive adapter 22 at the escape hole. In the multifunctional screwdriver capable of measuring real voltage of the embodiment of the present application, the shank body 3 is supported by the shank support portion 12, and the structure is stable, so that the real voltage can be measured and the screwdriver can be used as a bolt driver.

[0052] In some embodiments, reference Figure 1-5 The tool bar support portion 12 is in a slender columnar structure with a compact size. The tool bar support portion 12 is designed to imitate the shape of the tool bar body 3, which can facilitate the use of the multifunctional screwdriver capable of measuring the real voltage in a narrow space.

[0053] In some embodiments, reference Figure 1-5The arbor support portion 12 includes a first column segment 122 and a second column segment 123 which are fixedly connected along the axial direction of the arbor support portion 12. One end of the first column segment 122 away from the second column segment 123 is fixedly connected to the handle portion 11. The maximum outer diameter of the first column segment 122 is greater than the maximum outer diameter of the second column segment 123. A variable diameter design is adopted. On the one hand, the first column segment 122 can be designed to be thicker to provide higher support strength. On the other hand, the second column segment 123 can be designed to be thinner so that it can be inserted into a narrow space for use.

[0054] In some embodiments, reference Figure 1-5 The handle portion 11 and the arbor support portion 12 are integrally formed, which can reduce the number of parts and assembly process, has a simple structure, low cost and high integration.

[0055] In some embodiments, reference Figure 1-5 The first column section 122 and the second column section 123 are integrally formed, and the integral forming can reduce the number of parts and assembly process, and has a simple structure, low cost and high integration.

[0056] In some embodiments, reference Figure 1-5 The length of the blade head section 31 does not exceed 1 / 3 of the length of the blade body section 32, thereby increasing the support strength of the shank body 3.

[0057] In some embodiments, reference Figure 1-5 The multifunctional screwdriver capable of measuring real voltage further comprises an inner housing 20. The inner housing 20 is detachably fixed to the first accommodating cavity 111, and the inner housing 20 is provided with a third accommodating cavity 200. The circuit board 21, the conductive adapter 22, the display screen 24, and the power supply 25 are integrated in the third accommodating cavity 200, thereby forming a modular structure, which facilitates more regular and rapid loading of the circuit board 21, the conductive adapter 22, the display screen 24, and the power supply 25 into the first accommodating cavity 111 at one time.

[0058] In some embodiments, reference Figure 1-5 The inner shell 20 includes a first half shell 201 and a second half shell 202. The second half shell 202 and the first half shell 201 are detachably connected to each other to enclose a third accommodating cavity 200. Specifically, the third accommodating cavity 200 is directly opposite to the avoidance through hole opened on the side facing the second accommodating cavity 121 and connected to the first accommodating cavity 111, so that the conductive adapter 22 can be electrically connected to the shank body 3 without interference, and the second half shell 202 and the first half shell 201 are detachably connected to each other for easy loading and unloading.

[0059] In some embodiments, reference Figure 1-5The multifunctional screwdriver capable of measuring real voltage further comprises an anti-skid cover 5, which is arranged on the outer surface of the shell body 1. The outer surface of the anti-skid cover 5 is provided with anti-skid patterns or anti-skid protrusions, thereby playing an anti-skid role of increasing the gripping friction.

[0060] Specifically, in some embodiments, reference Figure 1-5 One of the shell body 1 and the anti-slip cover 5 is provided with an inner recess 112, and the other has a limiting matching portion capable of filling the inner recess 112. The anti-slip cover 5 is injection molded on the outer surface of the shell body 1, and the structure is stable.

[0061] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A multifunctional screwdriver capable of measuring real voltage, characterized in that: include: The housing body (1) comprises an assembly cavity having an insertion opening; An end cover (4) is arranged to cover the insertion opening; A voltage test circuit assembly (2) comprises an inner housing (20) inserted into the assembly cavity through the insertion opening, and an electrical measuring contact portion (23) arranged on the end cover (4), wherein a circuit board (21) and a conductive adapter (22), a display screen (24) and a power supply (25) electrically connected to the circuit board (21) are integrated in the inner housing (20), the electrical measuring contact portion (23) is electrically connected to the circuit board (21), and the electrical measuring contact portion (23) is configured to be in electrical contact with a human body; The blade rod body (3) is arranged on the shell body (1) and connected to the conductive adapter (22).

2. The multifunctional screwdriver capable of measuring real voltage according to claim 1, characterized in that: The housing body (1) comprises: handle part (11); The knife bar support portion (12) is fixedly connected to the handle portion (11), the handle portion (11) has a first accommodating cavity (111), the knife bar support portion (12) has a second accommodating cavity (121) connected to one end of the first accommodating cavity (111) to form the assembly cavity, and the other end of the first accommodating cavity (111) forms the insertion opening; The inner shell (20) is arranged in the first accommodating cavity (111), and the conductive adapter (22) faces the second accommodating cavity (121); the shank body (3) includes an integrally formed blade head section (31) and a blade body section (32); the blade head section (31) extends out of the second accommodating cavity (121); the blade body section (32) is inserted into the second accommodating cavity (121) and at least partially fits with the inner wall of the second accommodating cavity (121); the blade body section (32) extends into the inner shell (20) and is electrically connected to the conductive adapter (22).

3. The multifunctional screwdriver capable of measuring real voltage according to claim 2, characterized in that: The knife bar supporting portion (12) is in the form of a slender column.

4. The multifunctional screwdriver capable of measuring real voltage according to claim 3, characterized in that: The arbor support portion (12) comprises: a first column section (122); A second column section (123) fixedly connected to the first column section (122) along the axial direction of the shank support portion (12); Wherein, one end of the first column segment (122) away from the second column segment (123) is fixedly connected to the handle portion (11), and the maximum outer diameter of the first column segment (122) is greater than the maximum outer diameter of the second column segment (123).

5. The multifunctional screwdriver capable of measuring real voltage according to claim 4, characterized in that: The first column segment (122) and the second column segment (123) are integrally formed; and / or; the length of the blade head segment (31) does not exceed 1 / 3 of the length of the blade body segment (32).

6. The multifunctional screwdriver capable of measuring real voltage according to claim 2, characterized in that: The handle portion (11) and the shank support portion (12) are integrally formed.

7. The multifunctional screwdriver capable of measuring real voltage according to claim 2, characterized in that: The inner shell (20) is provided with a third accommodating cavity (200) having an escape through hole, and the blade section (32) is electrically connected to the conductive adapter (22) at the escape through hole.

8. The multifunctional screwdriver capable of measuring real voltage according to claim 7, characterized in that: The inner housing (20) comprises: A first half shell (201); The second half shell (202) is detachably connected to the first half shell (201) and together encloses the third accommodating cavity (200).

9. The multifunctional screwdriver capable of measuring real voltage according to claim 1, characterized in that: Also includes: An anti-skid outer cover (5) is arranged on the outer surface of the outer shell body (1), and the outer surface of the anti-skid outer cover (5) is provided with anti-skid patterns or anti-skid protrusions.

10. The multifunctional screwdriver capable of measuring real voltage according to claim 9, characterized in that: One of the shell body (1) and the anti-slip outer cover (5) is provided with an inner recess (112), and the other has a position-limiting fitting portion capable of filling the inner recess (112); the anti-slip outer cover (5) is injection-molded on the outer surface of the shell body (1).

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