Multifunctional test probe for lightning protection detection
By designing a combination structure of guide groove, guide block, limiting hole and limiting component on the test probe for lightning protection testing, the problems of tip puncture and insertion depth error are solved, and the safety of use and the accuracy of testing are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-28
- Publication Date
- 2026-03-24
AI Technical Summary
The tips of existing lightning protection testing probes are prone to injuring users, and the insertion depth is subject to manual control, which can easily lead to errors and affect the accuracy of the test results.
A multifunctional test probe was designed, which adopts a combination structure of guide groove, guide block, limiting hole and limiting component. Through the cooperation of protective cylinder and limiting ring plate, the tip is shielded and protected and the pin is stably inserted, reducing error.
It effectively prevents the sharp tip from piercing the user, ensures the stability of the insertion depth of the pin and the accuracy of the detection results, and extends the service life of the connection between the guide block and the protective cylinder.
Smart Images
Figure CN224035467U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lightning protection detection technical field especially relates to a lightning protection detection is with multifunctional test probe. BACKGROUND
[0002] The lightning protection detection device is mainly used for detecting the performance and state of various lightning protection devices to ensure that they can effectively prevent lightning disasters, and the test probe is a key tool for measuring ground resistance, soil resistivity, potential connection, transition resistance and other parameters, which is usually used with the lightning protection detector, and when measuring the ground resistance of the grounding device with the lightning protection detector, the test probe needs to be inserted into the ground, and the current probe rod and the potential probe rod are generally required to be inserted into the ground with a depth of not less than 40cm, and a certain distance needs to be maintained between them and the grounding device, and the test probe used is a sharp probe, which has a structure including a probe, an insulating handle and a connecting mechanism, etc.
[0003] However, the bottom end of the existing test probe is provided in a sharp shape, which may be easily inserted into the user during use or storage due to operation errors, causing the user to be at risk of injury, and the insertion depth of the probe is manually controlled by the user, which is uncertain and may cause errors affecting the detection result, so a multifunctional test probe for lightning protection detection is proposed to solve the above problems. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a multifunctional test probe for lightning protection detection, which aims to improve the problem that the test probe for lightning protection detection device in the prior art has a sharp end at the bottom which may scratch the user during use, and the insertion depth of the probe is easily affected by manual operation and may have errors.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a multifunctional test probe for lightning protection detection, comprising a pin, the upper end of the pin is fixedly connected with a handle, the outer side of the pin is clamped with a connecting jaw, the rear end of the connecting jaw is fixedly connected with a connecting plug through a connecting line, the outer side of the pin is provided with a guide groove, the outer side of the pin is sleeved with a protective cylinder, the inner wall of the protective cylinder is fixedly connected with a guide block, the outer wall of the pin is provided with a limiting hole, the outer side of the protective cylinder is provided with a limiting assembly, the limiting assembly is used for limiting the protective cylinder, and the bottom of the protective cylinder is fixedly connected with a limiting ring plate.
[0006] Further description of the above technical scheme:
[0007] The guide block and the guide groove are slidably connected.
[0008] As a further description of the above technical solutions:
[0009] The limiting assembly comprises a threaded cylinder fixedly connected to the front face of the protective cylinder, a screw threadedly connected to the inside of the threaded cylinder, and a handle fixedly connected to the front end of the screw.
[0010] As a further description of the above technical solutions:
[0011] The rear end of the screw penetrates the protective cylinder.
[0012] As a further description of the above technical solutions:
[0013] The size of the screw is adapted to the size of the limiting hole.
[0014] As a further description of the above technical solutions:
[0015] The outer side of the pin is fixedly connected with a fixed ring plate, and the bottom surface of the fixed ring plate is located at the same horizontal plane as the top surface of the guide groove.
[0016] As a further description of the above technical solutions:
[0017] The bottom surface of the guide groove is provided with a chamfer.
[0018] As a further description of the above technical solutions:
[0019] The outer wall diameter of the limiting ring plate is greater than the outer wall diameter of the protective cylinder.
[0020] The utility model has the following beneficial effects:
[0021] 1. In the utility model, the cooperation of the guide groove, the guide block, the limiting hole and the limiting assembly can stably sleeve the protective cylinder outside the bottom tip of the pin, shield and protect the tip, avoid the user from being pricked when taking or storing, and through the cooperation of the protective cylinder and the limiting ring plate, the downward movement of the pin can be guided and limited, so that the pin can be stably and vertically inserted into the ground, and the measurement error is reduced.
[0022] 2. In the utility model, the cooperation of the fixed ring plate can limit the movement of the protective cylinder, reduce the pressure at the connection between the guide block and the protective cylinder, prolong the service life, and through the chamfer, the guide block can quickly push the soil out of the guide groove when moving downward, and the movement of the guide block is hindered. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The utility model provides a whole schematic view of a multifunctional test probe for lightning protection detection;
[0024] Figure 2 The utility model provides a kind of multifunctional test probe for lightning protection detection Figure 1 The schematic diagram of part A is shown in the figure.
[0025] Figure 3 The schematic diagram of the protection cylinder of the multifunctional test probe for lightning protection detection is shown in the figure.
[0026] Figure 4 The schematic diagram of the front part of the protection cylinder of the multifunctional test probe for lightning protection detection is shown in the figure.
[0027] Legend:
[0028] 1, pin; 2, handle; 3, connecting jaw; 4, connecting line; 5, connecting plug; 6, guide groove; 7, protection cylinder; 8, guide block; 9, limiting hole; 10, limiting assembly; 101, threaded cylinder; 102, screw rod; 103, handle; 11, limiting ring plate; 12, fixed ring plate; 13, chamfer. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0030] With reference to Figures 1-2 , the utility model provides an embodiment: a kind of multifunctional test probe for lightning protection detection, including pin 1, the bottom end of pin 1 is set to pointed end structure, it is convenient to insert pin 1 into underground, the upper end of pin 1 is fixedly connected with handle 2, the outside of handle 2 is covered with insulating handle, simultaneously, outside is equipped with antiskid line, it is convenient to manually force insertion soil, and can improve insulation protection, the outside of pin 1 is clamped with connecting jaw 3, the rear end of connecting jaw 3 is fixedly connected with connecting plug 5 by connecting line 4, connecting plug 5 is inserted into the spout of lightning protection detection device, so that connecting jaw 3 can be electrically connected with lightning protection detection device by connecting line 4, above-mentioned structure is all prior art means in the art, not described repeatedly, the outside of pin 1 is equipped with guide groove 6, pin 1 is sleeved with protection cylinder 7 outside, pin 1 can guide and limit the movement of protection cylinder 7, so that protection cylinder 7 can move linearly in up-down direction relative to pin 1.
[0031] With reference to Figures 1-3The inner wall of the protective cylinder 7 is fixedly connected with a guide block 8, the guide block 8 is in sliding connection with the inside of the guide groove 6, the guide block 8 can move up and down in the inside of the guide groove 6, and the movement of the protective cylinder 7 is further guided and limited, the stability of the movement of the protective cylinder 7 is improved, the protective cylinder 7 can only move in a straight line in the up-down direction relative to the pin 1, the outer wall of the pin 1 is provided with a limiting hole 9, the bottom of the protective cylinder 7 is fixedly connected with a limiting ring plate 11, the outer wall diameter of the limiting ring plate 11 is larger than the outer wall diameter of the protective cylinder 7, the limiting ring plate 11 can increase the contact area between the bottom of the protective cylinder 7 and the ground, and the stability of the protective cylinder 7 placed on the ground is improved.
[0032] The outer side of the protective cylinder 7 is provided with a limiting assembly 10, the limiting assembly 10 comprises a threaded cylinder 101, the threaded cylinder 101 is fixedly connected to the front face of the protective cylinder 7, the inside of the threaded cylinder 101 is threadedly connected with a screw rod 102, the screw rod 102 can move in the front-back direction relative to the threaded cylinder 101 when rotating, the rear end of the screw rod 102 penetrates the protective cylinder 7, the size of the screw rod 102 is matched with the size of the limiting hole 9, in the initial state, the screw rod 102 is located directly above the limiting hole 9, the front end of the screw rod 102 is fixedly connected with a handle 103, the outer wall surface of the handle 103 is provided with an anti-skid groove, which can increase the friction between the hands of the user and the handle 103, and avoid the phenomenon of slipping.
[0033] When the user moves the protective cylinder 7 downward, the guide block 8 will be moved downward in the inside of the guide groove 6 at the same time, when the guide block 8 moves to the bottom of the guide groove 6 and cannot move any more, the protective cylinder 7 will be sleeved outside the tip at the bottom of the pin 1 to shield and protect the tip, so as to avoid that the tip pierces the user in the process of use or storage, at the same time, the screw rod 102 will be aligned with the limiting hole 9, at this time, the user twists the handle 103 to drive the screw rod 102 to move backward, so that the screw rod 102 is quickly inserted into the inside of the limiting hole 9 to limit the protective cylinder 7, so that the protective cylinder 7 can be stably placed outside the tip at the bottom of the pin 1, and a stable protection effect is provided.
[0034] Referring to Figures 2-4The outer side of the insertion pin 1 is fixedly connected with a fixed ring plate 12, the bottom surface of the fixed ring plate 12 is located at the same horizontal plane as the top surface of the guide groove 6, the fixed ring plate 12 can limit the movement of the protective cylinder 7, when the guide block 8 moves to the uppermost position in the guide groove 6, the upper surface of the protective cylinder 7 will be in close contact with the bottom surface of the fixed ring plate 12, further limiting the movement of the protective cylinder 7, avoiding that when the protective cylinder 7 is subjected to upward thrust, the pressure is completely applied to the guide block 8, affecting the service life of the connection between the guide block 8 and the protective cylinder 7, the bottom surface of the guide groove 6 is provided with a chamfer 13, when the insertion pin 1 is inserted into the ground and then pulled out, if there is soil remaining in the guide groove 6, when the guide block 8 moves downward, the soil in the guide groove 6 can be pushed out, so that the soil quickly flows along the inclined surface of the chamfer 13, avoiding that the soil remaining in the guide groove 6 affects the movement of the guide block 8.
[0035] Working principle: in the initial state, the protective cylinder 7 is sleeved outside the bottom tip of the insertion pin 1, which can shield and protect the tip to avoid injuring the user, when it is needed to insert the insertion pin 1 into the ground, the user can quickly twist the screw rod 102 through the handle 103, driving the screw rod 102 to quickly move forward relative to the threaded cylinder 101, so that the rear end of the screw rod 102 quickly leaves the inside of the limiting hole 9, thereby releasing the limiting of the protective cylinder 7, then the limiting ring plate 11 can be placed at the detection position, and the insertion pin 1 can be pressed downward through the grip 2, the limiting ring plate 11 can increase the contact area between the bottom of the protective cylinder 7 and the ground, so that the protective cylinder 7 is stably and vertically placed, when the insertion pin 1 moves downward, the protective cylinder 7 will guide and limit the downward movement of the insertion pin 1, so that the insertion pin 1 moves stably downward and is vertically inserted into the ground, thereby making the current flow uniformly from the insertion pin 1 to the surrounding soil, reducing the measurement error, when the bottom surface of the fixed ring plate 12 is in close contact with the upper surface of the protective cylinder 7, the downward pressing of the insertion pin 1 is stopped, ensuring that the contact depth of the insertion pin 1 with the soil remains consistent each time, ensuring the detection accuracy.
[0036] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A multifunctional test probe for lightning protection detection, comprising a pin (1), characterized in that: The upper end of the pin (1) is fixedly connected to a handle (2), the outer side of the pin (1) is clamped with a connecting claw (3), the rear end of the connecting claw (3) is fixedly connected to a connecting plug (5) via a connecting wire (4), a guide groove (6) is provided on the outer side of the pin (1), a protective cylinder (7) is sleeved on the outer side of the pin (1), a guide block (8) is fixedly connected to the inner wall of the protective cylinder (7), a limiting hole (9) is provided on the outer wall of the pin (1), a limiting component (10) is provided on the outer side of the protective cylinder (7), the limiting component (10) is used to limit the protective cylinder (7), and a limiting ring plate (11) is fixedly connected to the bottom of the protective cylinder (7).
2. The multifunctional test probe for lightning protection detection according to claim 1, characterized in that: The guide block (8) is internally slidably connected to the guide groove (6).
3. The multifunctional test probe for lightning protection detection according to claim 1, characterized in that: The limiting component (10) includes a threaded cylinder (101), which is fixedly connected to the front of the protective cylinder (7). The threaded cylinder (101) is threadedly connected to a screw (102), and a handle (103) is fixedly connected to the front end of the screw (102).
4. The multifunctional test probe for lightning protection detection according to claim 3, characterized in that: The rear end of the screw (102) passes through the protective cylinder (7).
5. A multifunctional test probe for lightning protection detection according to claim 3, characterized in that: The size of the screw (102) is adapted to the size of the limiting hole (9).
6. The multifunctional test probe for lightning protection detection according to claim 1, characterized in that: A fixing ring plate (12) is fixedly connected to the outside of the pin (1), and the bottom surface of the fixing ring plate (12) and the top surface of the guide groove (6) are on the same horizontal plane.
7. A multifunctional test probe for lightning protection detection according to claim 1, characterized in that: The bottom surface of the guide groove (6) is chamfered (13).
8. A multifunctional test probe for lightning protection detection according to claim 1, characterized in that: The outer diameter of the limiting ring plate (11) is greater than the outer diameter of the protective cylinder (7).