Auxiliary fastening device for oscilloscope probe

Abstract

The utility model relates to the field of fastening devices, in particular to an auxiliary fastening device for an oscilloscope probe. The device comprises a structural frame and a fastening assembly, the three fastening assemblies are detachably arranged on the structural frame side by side, each fastening assembly comprises a conducting rod, a transverse plate distributed above the conducting rod in parallel and a spring, the two ends of the spring are connected with the structural frame and the transverse plate respectively, the transverse plate is tensioned upwards, and the transverse plate is provided with a probe through hole facing the conducting rod. According to the utility model, the oscilloscope probe and the signal line are indirectly connected through the conducting rod, so that the connection strength, the sampling quality and the safety are ensured.

Description

Technical Field

[0001] The utility model relates to the field of fastening devices, in particular to an auxiliary fastening device for an oscilloscope probe. Background Art

[0002] In the power transmission and transformation equipment manufacturing industry, an oscilloscope is usually required to measure three-phase voltage or current signals, and multiple groups of signal lines are concentrated in one place, and multiple groups of voltage or current signals are measured with the help of one oscilloscope.

[0003] At present, oscilloscope probes are usually directly connected to signal lines. Taking the probe in the shape of a hook as an example, this not only requires frequent manual operation, but also makes it difficult to ensure the connection strength between the oscilloscope probe and the signal line. If the operation is incorrect, it may seriously affect the sampling quality of the signal and even pose a safety hazard. Utility Model Content

[0004] The utility model aims to solve the problems existing in the background technology and proposes an auxiliary fastening device for an oscilloscope probe which indirectly connects the oscilloscope probe and the signal line through a conductive rod to ensure the connection strength, sampling quality and safety.

[0005] The technical solution of the utility model is an auxiliary fastening device for an oscilloscope probe, comprising a structural frame and a fastening assembly; the fastening assembly is detachably arranged in three groups side by side on the structural frame, comprising a conductive rod, a horizontal plate distributed in parallel above the conductive rod, and a spring whose two ends are respectively connected to the structural frame and the horizontal plate and tensions the horizontal plate upward, wherein the horizontal plate has a probe through hole facing the conductive rod.

[0006] Preferably, the structural frame includes two side plates arranged side by side, three movable channels arranged side by side are arranged on the side plates, the cross plate is slidably arranged at the movable channel, and both ends of the spring are respectively connected to the bottom end of the cross plate and the bottom end of the movable channel.

[0007] Preferably, a clamping platform portion is provided at one end of the side plate in the length direction, and a clamping groove adapted to the clamping platform portion is provided at the other end in the length direction.

[0008] Preferably, a through hole is provided in the thickness direction of the side plate, and the fastening assembly also includes a adapter inserted through the through hole, the adapter includes a cylindrical portion and a pressure plate portion a integrally connected to the outer periphery of the cylindrical portion, the inner side of the cylindrical portion has an installation bin and the top has a groove connected to the installation bin, and a transition fillet is provided at the groove.

[0009] Preferably, the conductive rod is inserted into the installation bin, and the length of the conductive rod is greater than the length of the adapter, and the two ends of the cylindrical portion are respectively connected with a nut a and a nut b that clamp the conductive rod in the middle.

[0010] Preferably, the cylindrical portion has an external threaded portion a adapted to fit the nut a and an external threaded portion b adapted to fit the nut b.

[0011] Preferably, the inner side of the nut a has a side slot a for one end of the conductive rod to be inserted into, and the inner side of the nut b has a side slot b for the other end of the conductive rod to be inserted into.

[0012] Preferably, the nut b has a pressing plate portion b facing the pressing plate portion a, and the pressing plate portion b is made of metal material.

[0013] Preferably, the side plate, the adapter and the nut a are all made of insulating materials, the outer surface of the nut b has an insulating layer, and the inner surface is made of metal material.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] The utility model indirectly connects the oscilloscope probe and the signal line through the conductive rod, thereby ensuring the connection strength, sampling quality and safety. When in use, the corresponding sampling signal is selected from the three-phase AC signals A, B and C as needed, the conductive rod is connected to the signal line, and the oscilloscope probe in the form of a probe hook is respectively placed in the probe through hole of the horizontal plate, the horizontal plate is pressed down, the spring is compressed, the probe hook is hooked on the conductive rod, and then the horizontal plate is loosened, the spring tightens the horizontal plate, and the probe hook is stably hooked on the conductive rod, thereby realizing the effective indirect connection between the oscilloscope probe and the signal line. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure frame, spring and cross plate;

[0018] Figure 3 is a schematic diagram of the structure of the adapter;

[0019] Figure 4 is a cross-sectional view of the adapter;

[0020] Figure 5 is a schematic diagram of the structure of the conductive rod;

[0021] Figure 6 is a cross-sectional view of a stretch nut;

[0022] Figure 7 A cross-sectional view of the compression nut.

[0023] Figure numerals: 1. structural frame; 11. side plate; 111. movable channel; 112. through hole; 113. card table; 114. card slot; 12. spring; 13. cross plate; 131. probe through hole; 2. adapter; 21. cylinder; 22. installation compartment; 23. pressure plate part a; 24. groove; 25. transition fillet; 3. conductive rod; 4. nut a; 41. side card slot a; 5. nut b; 51. side card slot b; 52. pressure plate part b. DETAILED DESCRIPTION

[0024] Embodiment 1

[0025] like Figure 1-Figure 7 As shown, an auxiliary fastening device for an oscilloscope probe proposed in this embodiment includes a structural frame 1 and a fastening assembly.

[0026] The fastening components are detachably arranged in three groups side by side on the structural frame 1, including a conductive rod 3, a horizontal plate 13 distributed in parallel above the conductive rod 3, and a spring 12 whose two ends are respectively connected to the structural frame 1 and the horizontal plate 13 and tensions the horizontal plate 13 upward, wherein the horizontal plate 13 has a probe through hole 131 facing the conductive rod 3.

[0027] The structural frame 1 includes two side plates 11 arranged side by side, and three movable channels 111 arranged side by side are arranged on the side plates 11. The cross plate 13 is slidably arranged at the movable channels 111. The two ends of the spring 12 are respectively connected to the bottom end of the cross plate 13 and the bottom end of the movable channel 111. Each set of fastening components includes two springs 12.

[0028] A card platform 113 is provided at one end of the side plate 11 in the length direction, and a card slot 114 adapted to the card platform 113 is provided at the other end in the length direction. If an oscilloscope is required to measure multiple groups of sampling signals simultaneously, multiple auxiliary fastening devices can be connected in series with the help of the side card slot 114 and the card platform 113, and then the sampling signals can be measured.

[0029] This embodiment indirectly connects the oscilloscope probe and the signal line through the conductive rod 3 to ensure the connection strength, sampling quality and safety. When in use, select the corresponding sampling signal from the three-phase AC signals A, B, and C as needed, connect the conductive rod 3 to the signal line, put the oscilloscope probe in the form of a probe hook into the probe through hole 131 of the horizontal plate 13, press the horizontal plate 13 downward, compress the spring 12, hook the probe hook on the conductive rod 3, and then release the horizontal plate 13. The spring 12 tightens the horizontal plate 13, and the probe hook is stably hooked on the conductive rod 3, thereby realizing an effective indirect connection between the oscilloscope probe and the signal line.

[0030] Embodiment 2

[0031] like Figure 1-Figure 7As shown, the auxiliary fastening device for an oscilloscope probe proposed in this embodiment, compared with the first embodiment, in this embodiment, a through hole 112 is provided in the thickness direction of the side plate 11, and the fastening assembly also includes an adapter 2 penetrated at the through hole 112, the adapter 2 includes a cylindrical portion 21 and a pressure plate portion a23 integrally connected to the outer periphery of the cylindrical portion 21, the cylindrical portion 21 has an installation bin 22 on the inner side and a groove 24 connected to the installation bin 22 on the top, and a transition fillet 25 is provided at the groove 24 to ensure the smoothness of the structure. The adapter 2 can protect the conductive rod 3, locate the position of the probe hook on the conductive rod 3, and the probe hook passes through the groove 24 to hook on the conductive rod 3.

[0032] The conductive rod 3 is inserted into the installation chamber 22, and the length of the conductive rod 3 is greater than the length of the adapter 2. The two ends of the cylindrical portion 21 are respectively connected with a nut a4 and a nut b5 that clamp the conductive rod 3 in the middle. The cylindrical portion 21 has an external threaded portion a that matches the nut a4 and an external threaded portion b that matches the nut b5. The nut a4 and the nut b5 are respectively screwed on the two ends of the cylindrical portion 21.

[0033] The inner side of the nut a4 has a side slot a41 for one end of the conductive rod 3 to be inserted into, and the inner side of the nut b5 has a side slot b51 for the other end of the conductive rod 3 to be inserted into. The two ends of the conductive rod 3 are respectively inserted into the side slot a41 and the side slot b51, and can be firmly clamped.

[0034] The nut b5 has a pressure plate portion b52 facing the pressure plate portion a23, and the pressure plate portion b52 is made of metal material. The nut b5 is rotated to clamp the signal line between the pressure plate portion b52 and the pressure plate portion a23. The side plate 11, the adapter 2 and the nut a4 are all made of insulating materials. The outer surface of the nut b5 has an insulating layer to facilitate insulation and safe operation. The inner side of the nut b5 is made of metal material to ensure the conductive performance. The end of the conductive rod 3 that contacts the nut b5 conducts electricity, and conducts electricity through the pressure plate portion b52, thereby conductively connecting the signal line, the nut b5, the conductive rod 3 and the oscilloscope probe.

[0035] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An auxiliary fastening device for an oscilloscope probe, characterized in that: include: Structural frame (1); The fastening assembly is detachably arranged in three groups on a structural frame (1), comprising a conductive rod (3), a horizontal plate (13) arranged in parallel above the conductive rod (3), and a spring (12) having two ends respectively connected to the structural frame (1) and the horizontal plate (13) and tensioning the horizontal plate (13) upward, wherein the horizontal plate (13) has a probe through hole (131) facing the conductive rod (3).

2. The auxiliary fastening device for an oscilloscope probe according to claim 1, characterized in that: The structural frame (1) comprises two side plates (11) arranged side by side, three movable channels (111) arranged side by side are arranged on the side plates (11), a transverse plate (13) is slidably arranged at the movable channels (111), and two ends of the spring (12) are respectively connected to the bottom end of the transverse plate (13) and the bottom end of the movable channels (111).

3. The auxiliary fastening device for an oscilloscope probe according to claim 2, characterized in that: A clamping platform (113) is provided at one end of the side plate (11) in the length direction, and a clamping groove (114) adapted to the clamping platform (113) is provided at the other end in the length direction.

4. The auxiliary fastening device for an oscilloscope probe according to claim 2, characterized in that: A through hole (112) is provided in the thickness direction of the side plate (11), and the fastening assembly further comprises an adapter (2) which is penetrated through the through hole (112), the adapter (2) comprising a cylindrical portion (21) and a pressure plate portion a (23) integrally connected to the outer periphery of the cylindrical portion (21), the cylindrical portion (21) having an installation bin (22) on the inner side and a groove (24) which is connected to the installation bin (22) on the top, and a transition fillet (25) is provided at the groove (24).

5. The auxiliary fastening device for an oscilloscope probe according to claim 4, characterized in that: The conductive rod (3) is inserted into the installation chamber (22), and the length of the conductive rod (3) is greater than the length of the adapter (2). The two ends of the cylindrical portion (21) are respectively connected to a nut a (4) and a nut b (5) for clamping the conductive rod (3) in the middle.

6. The auxiliary fastening device for an oscilloscope probe according to claim 5, characterized in that: The cylindrical portion (21) has an external threaded portion a adapted to fit the nut a (4) and an external threaded portion b adapted to fit the nut b (5).

7. The auxiliary fastening device for an oscilloscope probe according to claim 5, characterized in that: The inner side of the nut a (4) is provided with a side clamping groove a (41) for one end of the conductive rod (3) to be clamped in, and the inner side of the nut b (5) is provided with a side clamping groove b (51) for the other end of the conductive rod (3) to be clamped in.

8. The auxiliary fastening device for an oscilloscope probe according to claim 7, characterized in that: The nut b (5) has a pressing plate portion b (52) facing the pressing plate portion a (23), and the pressing plate portion b (52) is made of metal material.

9. The auxiliary fastening device for an oscilloscope probe according to claim 8, characterized in that: The side plate (11), the adapter (2) and the nut a (4) are all made of insulating materials, the outer surface of the nut b (5) has an insulating layer, and the inner surface is made of metal material.

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