Portable gas detector for building
By designing an extensible external protective case and spring adjustment system, the problem of four-in-one detector being vulnerable to damage on building sites is solved, flexible operation and good protective performance are achieved, and service life is extended.
Patent Information
- Application Number
- CN202421047872.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The four-in-one detector used in building sites is susceptible to collision and shedding damage, resulting in a reduced service life.
A portable gas detector including an external protective case is designed, and an expandable first protective plate and a second protective plate are provided on the external protective case. By adjusting the coordination between the guide rod and the spring, the four-in-one gas detector is realized.
The design provides flexible adjustment and good protection performance of the 4-in-1 gas detector during use and storage of building sites, reducing the risk of damage caused by collision and shedding and extending service life.
Smart Images

Figure CN222913595U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas detector protection, in particular to a portable gas detector used in construction. Background Art
[0002] The four-in-one detector is a detection instrument that can be configured with a single gas or multiple gas sensors. It can be configured with a single, two-in-one, three-in-one, four-in-one or any four toxic gas sensors or any single gas sensor for detection.
[0003] For most construction sites, when the four-in-one detector is used for gas detection, although the gas detection operation can be conveniently performed, for most of the four-in-one detectors when used in construction sites, since the four-in-one detectors are usually used directly exposed, when the four-in-one detector is placed or used, it is easy to cause the four-in-one detector to be damaged when it is bumped, or when it falls to the ground, resulting in the disadvantages of reducing the service life of the four-in-one detector. Utility Model Content
[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a portable gas detector for construction, which can solve the problems raised by the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a portable gas detector for construction, comprising an external protective shell, wherein a first protective plate and a second protective plate are arranged on the upper side of the external protective shell, an adjusting guide rod is slidably connected to the inner side of the first protective plate, a second spring is fixedly installed on the lower end of the adjusting guide rod, the lower end of the second spring is fixedly installed on the inner side of the first protective plate, an adjusting guide groove is provided on the surface of the second spring, a fixed clamping plate is fixedly installed on the surface of the second protective plate, the surface of the fixed clamping plate is slidably connected to the inner side of the first protective plate, a fixed clamping groove is provided on the surface of the fixed clamping plate, and the surface of the adjusting guide rod is slidably clamped on the inner wall of the fixed clamping groove.
[0006] Preferably, external auxiliary grooves are provided on the upper sides of the first protective plate and the second protective plate.
[0007] Preferably, an external handle is fixedly mounted on the surface of the external protective shell, and external supporting feet are fixedly mounted on the four corners of the external protective shell.
[0008] Preferably, a four-in-one gas detector is arranged on the inner side of the external protective shell.
[0009] Preferably, a built-in slide plate is fixedly installed on the lower side of the second protective plate, the surface of the built-in slide plate is slidably connected to the inner side of the external protective shell, the inner side of the built-in slide plate is slidably connected to a built-in slide rod, and both ends of the built-in slide rod are fixedly installed on the inner side of the external protective shell.
[0010] Preferably, a first spring is slidably sleeved on the surface of the built-in sliding rod, and two ends of the first spring are respectively fixedly mounted on the surface of the built-in sliding plate and the inner side of the external protective shell.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] (1) When the portable gas detector for construction is used through the four-in-one gas detector, the operator controls the adjustment guide rod to descend on the inner side of the first protective plate, so the adjustment guide rod will descend on the inner wall of the fixed slot until the adjustment guide slot on the adjustment guide rod is matched with the fixed slot. At this time, the operator controls the first protective plate and the second protective plate to expand outward, so the first protective plate and the second protective plate are separated to unfold the four-in-one gas detector. This method ensures that the four-in-one gas detector has the flexibility of adjustment operation when used and stored in the construction site. While ensuring that the four-in-one gas detector has good protection performance, it also has the convenience of adjustment and use, thereby reducing the disadvantage that the four-in-one gas detector used in the construction site is directly placed and easily damaged by collision.
[0013] (2) The portable gas detector for construction, when the surfaces of the first protective plate and the second protective plate on the external protective shell are opened, the first protective plate and the second protective plate are pushed by the elastic force of the compressed first spring, so that the first protective plate and the second protective plate have the effect of opening when the surface of the external protective shell is not limited by external force. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0015] Figure 1 This is a schematic diagram of the structure of a portable gas detector for construction use according to the utility model;
[0016] Figure 2 This is a schematic diagram of the reverse side of the structure of the portable gas detector for construction of the utility model;
[0017] Figure 3 This is a schematic diagram of the expanded structure of the portable gas detector for construction use of the utility model;
[0018] Figure 4 The utility model is a schematic diagram of the plane cutting structure of a portable gas detector for construction.
[0019] Figure numerals: 1. External protective shell; 2. First protective plate; 3. Second protective plate; 4. External auxiliary slot; 5. External handle; 6. External support foot; 7. Four-in-one gas detector; 8. Built-in slide plate; 9. Built-in slide rod; 10. First spring; 11. Adjustment guide rod; 12. Second spring; 13. Adjustment guide slot; 14. Fixed card plate; 15. Fixed card slot. DETAILED DESCRIPTION
[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0021] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0022] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0023] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0024] See also Figure 1-4 The utility model provides a technical solution: a portable gas detector for construction, including an external protective shell 1, a first protective plate 2 and a second protective plate 3 are arranged on the upper side of the external protective shell 1, and the first protective plate 2 and the second protective plate 3 are used to expand and dock the external protective shell 1 for protection, so that the first protective plate 2 and the second protective plate 3 can be adjusted on the surface of the external protective shell 1.
[0025] Furthermore, external auxiliary grooves 4 are provided on the upper sides of the first protective plate 2 and the second protective plate 3 . The function of the external auxiliary grooves 4 is to assist the operator in controlling the movement of the first protective plate 2 and the second protective plate 3 when they are docked and matched.
[0026] Furthermore, an external handle 5 is fixedly installed on the surface of the external protective shell 1, and external supporting feet 6 are fixedly installed at the four corners of the external protective shell 1. The function of the external handle 5 is to assist the operator in controlling the use of the external protective shell 1, and the external supporting feet 6 on the external protective shell 1 are to support the external protective shell 1, so that the external protective shell 1 does not contact the ground when placed and has a certain moisture-proof effect.
[0027] Furthermore, a four-in-one gas detector 7 is provided on the inner side of the external protective shell 1. The four-in-one gas detector 7 is a detection instrument that can be configured with a single gas or multiple gas sensors. It can be configured with a single, two-in-one, three-in-one, four-in-one or any four toxic gas sensors or any single gas sensor for detection.
[0028] Furthermore, a built-in slide plate 8 is fixedly installed on the lower side of the second protective plate 3, and the surface of the built-in slide plate 8 is slidably connected to the inner side of the external protective shell 1. The inner side of the built-in slide plate 8 is slidably connected to a built-in slide rod 9, and both ends of the built-in slide rod 9 are fixedly installed on the inner side of the external protective shell 1. The surface of the built-in slide rod 9 is slidably sleeved with a first spring 10, and both ends of the first spring 10 are respectively fixedly installed on the surface of the built-in slide plate 8 and the inner side of the external protective shell 1. When the surfaces of the first protective plate 2 and the second protective plate 3 on the external protective shell 1 are opened, the first protective plate 2 and the second protective plate 3 will be pushed by the elastic performance of the compressed first spring 10, so that the first protective plate 2 and the second protective plate 3 will have an opening effect when the surface of the external protective shell 1 is not limited by external force.
[0029] Furthermore, an adjusting guide rod 11 is slidably connected to the inner side of the first protective plate 2, a second spring 12 is fixedly installed at the lower end of the adjusting guide rod 11, an adjusting guide groove 13 is provided on the surface of the second spring 12, a fixed clamping plate 14 is fixedly installed on the surface of the second protective plate 3, a surface of the fixed clamping plate 14 is slidably connected to the inner side of the first protective plate 2, a fixed clamping groove 15 is provided on the surface of the fixed clamping plate 14, the surface of the adjusting guide rod 11 is slidably clamped on the inner wall of the fixed clamping groove 15, and when the four-in-one gas detector 7 is used, the operator controls the adjusting guide rod 11 on the inner side of the first protective plate 2 The adjusting guide rod 11 will descend on the inner wall of the fixed slot 15 until the adjusting guide slot 13 on the adjusting guide rod 11 is matched with the fixed slot 15. At this time, the operator controls the first protective plate 2 and the second protective plate 3 to expand outward, so the first protective plate 2 and the second protective plate 3 are separated to unfold the four-in-one gas detector 7. This ensures that the four-in-one gas detector 7 has the flexibility of adjustment operation when used and stored in the construction site. While ensuring that the four-in-one gas detector 7 has good protection performance, it also has the convenience of adjustment and use, thereby reducing the disadvantage that the four-in-one gas detector 7 is directly placed and used on the construction site and is prone to collision damage.
[0030] Working principle: When the portable gas detector for construction is used through the four-in-one gas detector 7, the operator controls the adjustment guide rod 11 to descend on the inner side of the first protective plate 2, so the adjustment guide rod 11 will descend on the inner wall of the fixed slot 15 until the adjustment guide slot 13 on the adjustment guide rod 11 coincides with the fixed slot 15. At this time, the operator controls the first protective plate 2 and the second protective plate 3 to expand outward, so the first protective plate 2 and the second protective plate 3 are separated to unfold the four-in-one gas detector 7.
[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A portable gas detector for use in construction, comprising an external protective housing (1), characterized in that: The upper side of the external protective shell (1) is provided with a first protective plate (2) and a second protective plate (3); the inner side of the first protective plate (2) is slidably connected with an adjusting guide rod (11); the lower end of the adjusting guide rod (11) is fixedly mounted with a second spring (12); the lower end of the second spring (12) is fixedly mounted on the inner side of the first protective plate (2); an adjusting guide groove (13) is provided on the surface of the second spring (12); a fixed clamping plate (14) is fixedly mounted on the surface of the second protective plate (3); the surface of the fixed clamping plate (14) is slidably connected to the inner side of the first protective plate (2); the surface of the fixed clamping plate (14) is provided with a fixed clamping groove (15); the surface of the adjusting guide rod (11) is slidably clamped on the inner wall of the fixed clamping groove (15).
2. The portable gas detector for construction according to claim 1, characterized in that: External auxiliary grooves (4) are provided on the upper sides of the first protective plate (2) and the second protective plate (3).
3. The portable gas detector for construction according to claim 1, characterized in that: An external handle (5) is fixedly mounted on the surface of the external protective shell (1), and external supporting feet (6) are fixedly mounted on the four corners of the external protective shell (1).
4. The portable gas detector for construction according to claim 1, characterized in that: A four-in-one gas detector (7) is arranged on the inner side of the external protective shell (1).
5. The portable gas detector for construction according to claim 1, characterized in that: A built-in slide plate (8) is fixedly mounted on the lower side of the second protective plate (3); the surface of the built-in slide plate (8) is slidably connected to the inner side of the external protective shell (1); the inner side of the built-in slide plate (8) is slidably connected to a built-in slide bar (9); both ends of the built-in slide bar (9) are fixedly mounted on the inner side of the external protective shell (1).
6. The portable gas detector for construction according to claim 5, characterized in that: The surface of the built-in sliding rod (9) is slidably sleeved with a first spring (10), and two ends of the first spring (10) are respectively fixedly mounted on the surface of the built-in sliding plate (8) and the inner side of the external protective shell (1).