Probe-telescopic automobile test pencil

Abstract

The automobile test pencil comprises a shell, the probe, a sliding block, a sliding button, a locking assembly, a spring and a conical head, the conical head is arranged at the bottom end of the shell, a sliding groove extending towards the two ends is formed in the shell, a positioning groove is formed in one end of the sliding groove, the sliding block is connected in a sliding mode along the sliding groove, and the sliding button is arranged on the sliding block. Springs are arranged on the two sides of the sliding block in the sliding direction, a sliding button extending out of the shell is arranged on the top of the sliding block, a locking assembly used for being clamped into the positioning groove to be fixed is arranged in the sliding button, the probe penetrates through the sliding block and is fixedly connected with the sliding block, the probe is parallel to the sliding direction of the sliding block, and the tip end of the probe penetrates through the shell and the conical head. A fishhook-shaped limiting groove is formed in the conical head, and the bottom end of the fishhook-shaped limiting groove coincides with a probe penetrating point. The probe is forced to rapidly extend out of the shell through the spring, the surface of the wire harness located at the bottom end of the fishhook-shaped limiting groove is punctured, the wire harness is conductively connected with the probe, and therefore the effect of facilitating wire harness measurement is achieved without other tools.

Description

Technical Field

[0001] This utility model relates to the field of automotive voltage testers, and in particular to an automotive voltage tester with a retractable probe. Background Technology

[0002] A voltage tester, also known as a test pen, is an electrical tool used to test whether a wire is live. When testing automotive wiring harnesses, the terminals are often covered by fuse boxes or trim panels, requiring the removal of these surfaces before measurement. For harnesses where terminals cannot be measured, wire strippers are typically used to strip the sheath, followed by wrapping with insulating tape – a cumbersome process. Therefore, a retractable probe automotive voltage tester was designed to address these issues. Utility Model Content

[0003] In view of the shortcomings of existing automotive voltage testers, the purpose of this utility model is to provide an automotive voltage tester with a retractable probe, which has the advantages of not requiring tool assistance and being easy to measure.

[0004] To achieve the above objectives, the present invention employs the following technical solution: a retractable probe automotive voltage tester, comprising a housing, a probe, a slider, a sliding button, a locking assembly, a spring, and a conical head. The bottom of the housing is provided with a conical head. The housing has a sliding groove extending to both ends. One end of the sliding groove has a positioning groove. The slider slides along the sliding groove. Springs are provided on both sides of the slider's sliding direction. The springs force the slider to be located in the middle of the sliding groove. The top of the slider is provided with a sliding button extending out of the housing. The sliding button contains a locking assembly for engaging with the positioning groove. The probe penetrates the slider and is fixedly connected to it. The probe is parallel to the slider's sliding direction. The tip of the probe penetrates the housing and the conical head. The conical head has a fishhook-shaped limiting groove. The bottom end of the fishhook-shaped limiting groove coincides with the probe penetration point.

[0005] Preferably, the locking assembly has a T-shaped button and a spring. The T-shaped button has a vertical post and a horizontal block. The vertical post of the T-shaped button passes through the sliding button and is slidably connected to it. The sliding direction of the T-shaped button is perpendicular to the sliding direction of the slider. The horizontal block of the T-shaped button is disposed inside the sliding button. A spring is provided at the bottom of the horizontal block of the T-shaped button. The spring forces the horizontal block of the T-shaped button to engage in the positioning groove for positioning.

[0006] Preferably, the housing also contains a circuit board for measuring circuits;

[0007] Preferably, the spring is made of metal and electrically connects the probe and the circuit board;

[0008] The beneficial effect of this utility model is that the spring forces the probe to quickly extend out of the shell and puncture the wire harness sheath located at the bottom of the fishhook-shaped limiting groove, so that the wire harness and the probe are electrically connected, thereby achieving the effect of easy wire harness measurement without the aid of other tools. Attached Figure Description

[0009] Figure 1 This is a three-dimensional structural view of the present invention.

[0010] Figure 2 This is a front view of the present utility model.

[0011] Figure 3 This is a cross-sectional structural view of the present invention.

[0012] Figure 4 This is a structural view of the combination of the sliding button and the T-shaped button of this utility model.

[0013] Figure 5 This is a cross-sectional view of the sliding button and T-shaped button of this utility model. Detailed Implementation

[0014] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0015] It should be noted that in the description of this utility model, the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the direction or positional relationship are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this utility model.

[0016] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "equipped with," and "set up" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0017] Please see Figures 1 to 5 The embodiments of this utility model include:

[0018] A retractable automotive voltage tester with probe 2 includes a housing 1, a probe 2, a slider 3, a sliding button 4, a locking assembly 5, a spring 6, and a conical head 7. The bottom of the housing 1 is provided with a conical head 7. The housing 1 has a sliding groove 11 extending to both ends. One end of the sliding groove 11 has a positioning groove 12. The slider 3 slides along the sliding groove 11. Springs 6 are provided on both sides of the slider 3 in the sliding direction. The springs 6 force the slider 3 to be located in the middle of the sliding groove 11. The top of the slider 3 is provided with a sliding button 4 extending out of the housing 1. The sliding button 4 is provided with a locking assembly 5 for locking into the positioning groove 12. The probe 2 passes through the slider 3 and is fixedly connected to the slider 3. The sliding direction of the probe 2 is parallel to that of the slider 3. The tip of the probe 2 passes through the housing 1 and the conical head 7. The conical head 7 has a fishhook-shaped limiting groove 71. The bottom end of the fishhook-shaped limiting groove 71 coincides with the penetration point of the probe 2.

[0019] The locking assembly 5 has a T-shaped button 8 and a spring 6. The T-shaped button 8 has a vertical post 81 and a horizontal block 82. The vertical post 81 of the T-shaped button 8 passes through the sliding button 4 and is slidably connected to it. The sliding direction of the T-shaped button 8 is perpendicular to the sliding direction of the slider 3. The horizontal block 82 of the T-shaped button 8 is disposed inside the sliding button 4. The bottom of the horizontal block 82 of the T-shaped button 8 is provided with a spring 6. The spring 6 forces the horizontal block 82 of the T-shaped button 8 to be engaged in the positioning groove 12 for positioning.

[0020] The housing 1 also contains a circuit board for measuring circuits;

[0021] The spring 6 is made of metal and electrically connects the probe 2 and the circuit board.

[0022] With the above settings, its specific working principle in actual operation is as follows:

[0023] When measuring a wire harness where the terminals cannot be measured, first push the sliding button 4 to retract the probe 2 into the housing 1. Then place the wire harness to be measured into the bottom of the hook-shaped limiting groove 71. At this time, release the sliding button 4. The springs 6 at both ends of the slider 3 force the probe 2 to quickly extend out of the housing 1. The rapidly extending probe 2 punctures the wire harness sheath at the bottom of the hook-shaped limiting groove 71, making the wire harness electrically connected to the probe 2. Thus, measurement can be performed without the aid of other tools. After the measurement is completed, use insulating tape to wrap the wire harness to prevent leakage.

[0024] When performing normal measurements, push the sliding button 4 to move it to the position where the positioning groove 12 is located at one end of the slide groove 11. At this time, the spring 6 forces the horizontal block 82 of the T-shaped button 8 to be locked into the positioning groove 12 for positioning, so that the probe 2 will not move randomly when the test pen is performing normal measurements.

[0025] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A retractable probe automotive voltage tester, characterized in that, The device includes a housing, a probe, a slider, a sliding button, a locking assembly, a spring, and a conical head. The bottom of the housing has a conical head, and the housing has a groove extending to both ends. One end of the groove has a positioning groove, and the slider slides along the groove. Springs are located on both sides of the slider's sliding direction, forcing the slider to be located in the middle of the groove. The top of the slider has a sliding button that extends out of the housing. The sliding button has a locking assembly for engaging with the positioning groove. The probe penetrates the slider and is fixedly connected to it. The probe is parallel to the slider's sliding direction, and the tip of the probe penetrates the housing and the conical head. The conical head has a fishhook-shaped limiting groove, and the bottom end of the fishhook-shaped limiting groove coincides with the probe's penetration point.

2. The retractable probe automotive voltage tester according to claim 1, characterized in that, The locking assembly has a T-shaped button and a spring. The T-shaped button has a vertical post and a horizontal block. The vertical post of the T-shaped button passes through the sliding button and is slidably connected to it. The sliding direction of the T-shaped button is perpendicular to the sliding direction of the slider. The horizontal block of the T-shaped button is set inside the sliding button. A spring is provided at the bottom of the horizontal block of the T-shaped button. The spring forces the horizontal block of the T-shaped button to engage in the positioning groove for positioning.

3. The retractable probe automotive voltage tester according to claim 1, characterized in that, The housing also contains a circuit board for measurement circuitry.

4. The retractable probe automotive voltage tester according to claim 1, characterized in that, The spring is made of metal and electrically connects the probe and the circuit board.

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