Portable hydrogen leak detector

Abstract

The utility model discloses a portable hydrogen leak detector in the field of hydrogen leak detection equipment, which comprises a protection frame, an extension mechanism and an auxiliary key mechanism, the extension mechanism comprises a rotating plate and a limiting plate, two sides of the bottom of the protection frame are provided with first rotating shafts, the first rotating shafts are rotatably matched with the rotating plate, and the rotating plate is arranged on the limiting plate. According to the device, the protection frame is used for protecting the device leak detector main body and supporting the device structure, parts in the extension mechanisms are matched with each other, so that the leakage detection accuracy of the device is improved, and the leakage detection accuracy of the device is improved. The extension of the device is realized so as to reach a deeper leak detection part, and the control of the leak detector after the device reaches the leak detection part is realized through the mutual cooperation of parts in the auxiliary key mechanism.

Description

Technical Field

[0001] This utility model relates to the field of hydrogen leak detection equipment, specifically a portable hydrogen leak detector. Background Technology

[0002] Hydrogen is an extremely flammable gas with a wide explosive limit range (volume concentration in air ranges from 4% to 75.6%). Once hydrogen leaks and mixes with air to reach its explosive limit, it can easily trigger a violent explosion upon encountering a source of ignition (such as static electricity, sparks, or high temperatures), potentially causing equipment damage, personal injury, and severe environmental destruction.

[0003] When using existing handheld leak detectors to detect leaks, if the inlet and outlet are narrow or deep, the hand cannot pass through the inlet and outlet, making it impossible to move the leak detector to the area to be detected, thus affecting the use of the detector.

[0004] Based on this, this utility model designs a portable hydrogen leak detector to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a portable hydrogen leak detector to solve the problem mentioned in the background art that when existing handheld leak detectors are used to detect leaks at the required locations, the hand cannot move the leak detector to the location to be detected if the inlet and outlet are narrow or deep.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a portable hydrogen leak detector, comprising a protective frame, an extension mechanism, and an auxiliary button mechanism. The extension mechanism includes a rotating plate and a limiting plate. A first rotating shaft is provided on both sides of the bottom of the protective frame, and a rotating plate is rotatably fitted on the first rotating shaft. A second rotating shaft is provided at one end of the rotating plate, and a limiting plate is rotatably fitted on the second rotating shaft. A permanent magnet is provided inside one side of the limiting plate. Two extension mechanisms are symmetrically arranged on the left and right sides.

[0007] Preferably, the extension mechanism includes an extension plate, a locking block, and a limiting bolt. The protective frame has an extension slot, and the extension plate is locked in the extension slot by the locking block. The limiting plate has a first fixing screw hole, and one end of the extension plate has a second fixing screw hole. The first fixing screw hole and the second fixing screw hole cooperate with the limiting bolt, and one end of the extension plate has a locking groove.

[0008] Preferably, a leak detector body is fixedly connected inside the protective frame, and a control button is provided on one side of the leak detector body, and there are multiple control buttons.

[0009] Preferably, the auxiliary button mechanism includes an auxiliary pressing plate, a connecting rope, and a pull ring. A placement groove is provided on one side of the protective frame, and a third rotating shaft is provided at the bottom of the placement groove. The auxiliary pressing plate is rotatably fitted on the third rotating shaft. A placement groove is provided at the bottom of the protective frame, and a pull ring is engaged in the placement groove. A through hole is provided at the bottom of the protective frame. A connecting rope is fixedly connected to the top side wall of the auxiliary pressing plate, and the connecting rope is fixedly connected to the pull ring through the through hole.

[0010] Preferably, a spring groove is provided above the placement groove, and a spring is fixed at the top of the spring groove, with one end of the spring being fixedly connected to the auxiliary pressing plate.

[0011] Preferably, the protective frame is made of rigid polyurethane foam.

[0012] Compared with the prior art, the beneficial effects of this utility model are: this utility model protects the main body of the leak detector and supports the structure of the device through the protective frame; through the mutual cooperation of the parts in the extension mechanism, the device can be extended to reach a deeper leak detection area; and through the mutual cooperation of the parts in the auxiliary button mechanism, the leak detector can be controlled after it reaches the leak detection area. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the main view structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the main view portion of the present invention;

[0016] Figure 3 This is a schematic diagram of the protective frame structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the structure of a portion of the extension mechanism of this utility model;

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the present invention from a frontal view.

[0019] Figure 6 This is a schematic diagram of the limiting plate structure of this utility model;

[0020] Figure 7 This is a schematic diagram of the auxiliary button mechanism of this utility model.

[0021] The attached diagram lists the components represented by each number as follows:

[0022] 1-Protective frame, 2-Extension mechanism, 3-Auxiliary button mechanism, 4-Rotating plate, 5-Limiting plate, 6-First rotating shaft, 7-Second rotating shaft, 8-Permanent magnet, 9-Extension plate, 10-Clamping block, 11-Limiting bolt, 12-Extension slot, 13-First fixing screw hole, 14-Second fixing screw hole, 15-Clamping groove, 16-Leak detector body, 17-Control button, 18-Auxiliary pressing plate, 19-Connecting rope, 20-Pull ring, 21-Placement groove, 22-Third rotating shaft, 23-Placement groove, 24-Through hole, 25-Spring groove, 26-Spring. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-7 This utility model provides a technical solution: a portable hydrogen leak detector, including a protective frame 1, an extension mechanism 2, and an auxiliary button mechanism 3. The protective frame 1 is made of rigid polyurethane foam material, which has the advantages of good energy absorption, customizable molds according to product shape, and low cost. The extension mechanism 2 includes a rotating plate 4 and a limiting plate 5. The bottom two sides of the protective frame 1 are provided with a first rotating shaft 6, and the rotating plate 4 is rotatably fitted on the first rotating shaft 6. A second rotating shaft 7 is provided at one end of the rotating plate 4, and the limiting plate 5 is rotatably fitted on the second rotating shaft 7. A permanent magnet 8 is provided inside one side of the limiting plate 5. Two extension mechanisms 2 are symmetrically arranged on the left and right sides.

[0025] The extension mechanism 2 includes an extension plate 9, a locking block 10, and a limiting bolt 11. An extension slot 12 is provided on the protective frame 1. The extension plate 9 is locked in the extension slot 12 by the locking block 10. A first fixing screw hole 13 is provided on the limiting plate 5. A second fixing screw hole 14 is provided at one end of the extension plate 9. The first fixing screw hole 13 and the second fixing screw hole 14 cooperate with the limiting bolt 11. A locking groove 15 is provided at one end of the extension plate 9.

[0026] The leak detector body 16 is fixedly connected inside the protective frame 1. There are multiple control buttons 17 on one side of the leak detector body 16.

[0027] The auxiliary button mechanism 3 includes an auxiliary pressing plate 18, a connecting rope 19, and a pull ring 20. A placement groove 21 is provided on one side of the protective frame 1. A third rotating shaft 22 is provided at the bottom of the placement groove 21. The auxiliary pressing plate 18 is rotatably fitted on the third rotating shaft 22. A placement groove 23 is provided at the bottom of the protective frame 1. The pull ring 20 is engaged in the placement groove 23. A through hole 24 is provided at the bottom of the protective frame 1. The connecting rope 19 is fixedly connected to the top side wall of the auxiliary pressing plate 18. The connecting rope 19 is fixedly connected to the pull ring 20 through the through hole 24. A spring groove 25 is provided above the placement groove 21. A spring 26 is fixedly fixed at the top of the spring groove 25. One end of the spring 26 is fixedly connected to the auxiliary pressing plate 18.

[0028] A specific application of this embodiment is as follows: This utility model, by loosening the limiting bolt 11, pulls the limiting plate 5 to open the permanent magnet 8, rotates the rotating plate 4 180° via the first rotating shaft 6, and then rotates the limiting plate 5 180° via the second rotating shaft 7. The rotating plate 4 is then limited by connecting the permanent magnets 8. The extension plate 9 is removed from the extension slot 12 via the locking block 10. After reaching a predetermined leak detection depth, if the leak detection depth is not deep, all extension plates 9 are connected to the limiting plate 5 via the limiting bolt 11. If the leak detection depth is deep, two extension plates 9 are connected to the limiting plate 5 via the limiting bolt 11, and the remaining extension plates 9 are connected via the locking block 10. The engagement of the connecting block 10 and the locking groove 15 connects the extension plate 9 to the two extension plates 9, thereby increasing the extension length. During measurement, the connecting rope 19 is pulled by the pull ring 20, which in turn drives the auxiliary pressing plate 18 to rotate around the third rotating shaft 22, thereby controlling the control button 17. The auxiliary pressing plate 18 can be reset by the spring 26. The device protects the main body 16 of the leak detector and supports the structure of the device through the protective frame 1. Through the mutual cooperation of the parts in the extension mechanism 2, the device can be extended to reach a deeper leak detection area. Through the mutual cooperation of the parts in the auxiliary button mechanism 3, the leak detector can be controlled after the device reaches the leak detection area.

[0029] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0030] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A portable hydrogen leak detector, comprising a protective frame (1), an extension mechanism (2), and an auxiliary button mechanism (3), characterized in that: The extension mechanism (2) includes a rotating plate (4) and a limiting plate (5). The bottom sides of the protective frame (1) are provided with a first rotating shaft (6). The rotating plate (4) is rotatably fitted on the first rotating shaft (6). A second rotating shaft (7) is provided at one end of the rotating plate (4). The limiting plate (5) is rotatably fitted on the second rotating shaft (7). A permanent magnet (8) is provided on one side of the limiting plate (5). The extension mechanism (2) is symmetrically arranged in two parts.

2. The portable hydrogen leak detector according to claim 1, characterized in that: The extension mechanism (2) includes an extension plate (9), a locking block (10), and a limiting bolt (11). The protective frame (1) has an extension slot (12). The extension plate (9) is locked in the extension slot (12) by the locking block (10). The limiting plate (5) has a first fixing screw hole (13). The extension plate (9) has a second fixing screw hole (14) at one end. The first fixing screw hole (13) and the second fixing screw hole (14) cooperate with the limiting bolt (11). The extension plate (9) has a locking groove (15) at one end.

3. A portable hydrogen leak detector according to claim 1, characterized in that: The leak detector body (16) is fixedly connected inside the protective frame (1). A control button (17) is provided on one side of the leak detector body (16). There are multiple control buttons (17).

4. A portable hydrogen leak detector according to claim 1, characterized in that: The auxiliary button mechanism (3) includes an auxiliary pressing plate (18), a connecting rope (19), and a pull ring (20). A placement groove (21) is provided on one side of the protective frame (1). A third rotating shaft (22) is provided at the bottom of the placement groove (21). The auxiliary pressing plate (18) is rotatably fitted on the third rotating shaft (22). A placement groove (23) is provided at the bottom of the protective frame (1). A pull ring (20) is engaged in the placement groove (23). A through hole (24) is provided at the bottom of the protective frame (1). A connecting rope (19) is fixedly connected to the top side wall of the auxiliary pressing plate (18). The connecting rope (19) is fixedly connected to the pull ring (20) through the through hole (24).

5. A portable hydrogen leak detector according to claim 4, characterized in that: A spring groove (25) is provided above the placement groove (21), and a spring (26) is fixed at the top of the spring groove (25). One end of the spring (26) is fixedly connected to the auxiliary pressing plate (18).

6. A portable hydrogen leak detector according to claim 1, characterized in that: The protective frame (1) is made of rigid polyurethane foam.

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