Engineering machinery tail gas detector
By designing a knob for the exhaust gas detector to retract the inlet pipe and insert the probe into the cylinder, the problem of damage caused by exposed probes and gas lines is solved, achieving convenient storage and extended service life.
Patent Information
- Application Number
- CN202423084283.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-13
AI Technical Summary
In existing exhaust gas detection equipment, probes and gas pipelines are easily exposed and contaminated or damaged when not in use, resulting in a shortened service life and inconvenient management.
An exhaust gas detector was designed. By rotating a knob, the intake pipe is wound up on a rotating tube, and the probe is inserted into the cylinder, which enables convenient retrieval and storage of the probe and intake pipe. A ring magnetic plate is used to attract the metal ring to prevent the probe from falling off, and a sealing ring prevents external air from entering the cylinder.
It simplifies the extension and storage of pipelines and probes, improves the storage and management of exhaust gas detectors, extends the service life of equipment, and enhances convenience.
Smart Images

Figure CN223597644U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tail gas detection technical field, specifically, relate to a kind of engineering machinery tail gas detector. BACKGROUND
[0002] Engineering machinery tail gas is important source of air pollution, and the pollutants such as carbon monoxide (CO), hydrocarbons (HC), nitrogen oxides (NOx) are discharged, thereby endangering ecological environment and human health, tail gas detector can monitor engineering machinery emission level, help engineering machinery assess whether the emission meets environmental protection standard, and it is widely used in engineering machinery manufacturing plant, maintenance center, detection station and environmental protection department.
[0003] However, in the existing tail gas detection equipment, the storage design of probe and gas pipeline is usually simple or does not have a special storage structure, which causes the gas pipeline and probe to be exposed in the non-use state, and is easily contaminated or damaged, shortens its service life, and is not conducive to the convenient management and efficient operation of the equipment. UTILITY MODEL CONTENT
[0004] The utility model aims at at least solving one of the technical problems existing in the prior art.
[0005] Therefore, one purpose of the utility model is to provide an engineering machinery tail gas detector, which winds the air inlet pipe on the rotating pipe by rotating the knob, facilitates the recovery of the probe and the air inlet pipe, and at the same time, the probe can be inserted into the cylinder during recovery, thereby improving the storage management effect of the tail gas detector.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an engineering machinery tail gas detector, comprising a detector body, an L-shaped pipe is communicated with the detector body, a shell is fixedly connected to the top of the detector body, a rotating pipe joint is embedded in the inner wall of one end of the shell, the L-shaped pipe is communicated with one end of the rotating pipe joint, a rotating pipe is communicated with the other end of the rotating pipe joint, one end of the rotating pipe penetrates through the shell and is fixedly connected with a knob, an air inlet pipe is communicated with the rotating pipe, a tail gas capture probe is installed at one end of the air inlet pipe, a cylinder is fixedly connected to the top of the shell, and the length of the tail gas capture probe matches the length of the cylinder.
[0007] Preferably, the top of the cylinder is fixedly connected with an annular magnetic plate, and the outer wall of the tail gas capture probe is fixedly connected with a metal ring.
[0008] Preferably, the bottom of the detector body is communicated with an air outlet.
[0009] Preferably, the outer wall of the knob is provided with anti-skid lines.
[0010] Preferably, the inner wall of the barrel is fixedly connected with a sealing ring.
[0011] Preferably, the rear surface of the detector body is fixedly connected with a connecting plate.
[0012] Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses a rotating knob rotating pipe, and the air inlet pipe is rolled on the rotating pipe, which is convenient for recycling the probe and the air inlet pipe, and the probe can be inserted into the barrel when recycling, thereby simplifying the extension and storage operation of the pipeline and the probe, making the overall structure of the instrument compact and convenient to operate, and improving the storage management effect of the tail gas detector. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural schematic view of the engineering machinery tail gas detector of the utility model embodiment;
[0014] Figure 2 It is a structural schematic view of the engineering machinery tail gas detector of the utility model embodiment;
[0015] Figure 3 It is a sectional structure schematic view of the shell of the engineering machinery tail gas detector of the utility model embodiment;
[0016] Figure 4 It is a structural schematic view of the barrel and the tail gas capturing probe of the engineering machinery tail gas detector of the utility model embodiment.
[0017] In the drawing: 1, detector body;2, shell;3, air inlet pipe;4, tail gas capturing probe;5, knob;6, barrel;7, annular magnetic plate;8, connecting plate;9, air outlet;10, metal ring;11, L-shaped pipe;12, rotating pipe;13, anti-skid pattern;14, rotating pipe joint;15, sealing ring. DETAILED DESCRIPTION
[0018] The technical scheme in the utility model embodiments will be described clearly and completely below with reference to the drawings in the utility model embodiments, obviously, the described embodiments are only part of the embodiments of the utility model, not 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.
[0019] Please refer to Figure 1 The embodiment of the utility model provides an engineering machinery tail gas detector, which comprises a detector body 1.
[0020] Among them, such as Figures 1-3As shown, the detector body 1 is communicated with an L-shaped pipe 11, the bottom of the detector body 1 is communicated with an air outlet 9, the top of the detector body 1 is fixedly connected with a shell 2, the inner wall of one end of the shell 2 is embedded with a rotary pipe joint 14, the L-shaped pipe 11 is communicated with one end of the rotary pipe joint 14, the other end of the rotary pipe joint 14 is communicated with a rotating pipe 12, one end of the rotating pipe 12 penetrates through the shell 2 and is fixedly connected with a knob 5, the rotating pipe 12 is communicated with an air inlet pipe 3, one end of the air inlet pipe 3 is mounted with a tail gas capture probe 4.
[0021] In use, the tail gas capture probe 4 is inserted into the exhaust pipe of the engineering machinery to collect tail gas, the tail gas is transported to the detector body 1 for detection through the air inlet pipe 3, the rotating pipe 12, the rotary pipe joint 14 and the L-shaped pipe 11, in addition, the rotating pipe 12 can be rotated around its axis by rotating the knob 5, so that the air inlet pipe 3 is rolled up.
[0022] Further, the outer wall of the knob 5 is provided with anti-skid lines 13, which can improve the surface friction of the knob 5 and facilitate the rotation of the knob 5 by the operator.
[0023] In this embodiment, as shown in Figures 1-4 The top of the shell 2 is fixedly connected with a cylinder 6, the length of the tail gas capture probe 4 matches the length of the cylinder 6, the top of the cylinder 6 is fixedly connected with an annular magnetic plate 7, the outer wall of the tail gas capture probe 4 is fixedly connected with a metal ring 10, the probe can be inserted into the cylinder 6 when it is recycled, so that the extension and storage of the tail gas detector pipe and the probe are facilitated, and when the tail gas capture probe 4 is inserted into the cylinder 6, the metal ring 10 on the outer wall of the tail gas capture probe 4 can be adsorbed by the annular magnetic plate 7, so that the tail gas capture probe 4 is prevented from falling off in the cylinder 6.
[0024] Further, the inner wall of the cylinder 6 is fixedly connected with a sealing ring 15, which can prevent external air from entering the cylinder 6 and adhering to the tail gas capture probe 4 after the tail gas capture probe 4 enters the cylinder 6.
[0025] As shown in Figure 1 And Figure 2 The rear surface of the detector body 1 is fixedly connected with a connecting plate 8, which can be fixedly installed in a certain area in cooperation with a fixing piece.
[0026] According to the technical scheme, the working steps of the scheme are summarized and combed: in the utility model, the tail gas capturing probe 4 is inserted into the exhaust pipe of the engineering machinery to collect tail gas, the tail gas is transported to the detector body 1 for detection through the inlet pipe 3, the rotating pipe 12, the rotating pipe joint 14 and the L-shaped pipe 11, in addition, the rotating knob 5 can rotate the rotating pipe 12 around its axis, so that the inlet pipe 3 is rolled up, the inlet pipe 3 and the probe are conveniently recycled, and the probe can be inserted into the cylinder 6 when being recycled, so that the extension and storage of the pipeline and the probe on the tail gas detector are facilitated, the overall structure of the device is compact, operation is convenient, and the storage management effect of the tail gas detector is improved.
[0027] The parts not involved in the utility model are the same as the prior art or can be realized by using the prior art. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An engineering machinery exhaust detector, comprising a detector body (1), an L-shaped pipe (11) is communicated with the detector body (1), characterized in that: One end of the top of the detector body (1) is fixedly connected with a shell (2), a rotating pipe joint (14) is embedded in the inner wall of one end of the shell (2), the L-shaped pipe (11) is communicated with one end of the rotating pipe joint (14), a rotating pipe (12) is communicated with the other end of the rotating pipe joint (14), one end of the rotating pipe (12) penetrates through the shell (2) and is fixedly connected with a knob (5), an air inlet pipe (3) is communicated with the rotating pipe (12), an exhaust capture probe (4) is installed at one end of the air inlet pipe (3), a cylinder (6) is fixedly connected with the top of the shell (2), the length of the exhaust capture probe (4) matches the length of the cylinder (6).
2. An engineering machine exhaust detector according to claim 1, characterised in that: The top of the cylinder (6) is fixedly connected with an annular magnetic plate (7), the outer wall of the exhaust capture probe (4) is fixedly connected with a metal ring (10).
3. An engineering machine exhaust detector according to claim 1, characterised in that: The bottom of the detector body (1) is communicated with an air outlet (9).
4. An engineering machine exhaust detector according to claim 1, characterised in that: The outer wall of the knob (5) is provided with anti-skid lines (13).
5. An engineering machine exhaust detector according to claim 1, characterised in that: The inner wall of the cylinder (6) is fixedly connected with a sealing ring (15).
6. An engineering machine exhaust detector according to claim 1, characterised in that: The rear surface of the detector body (1) is fixedly connected with a connecting plate (8).