Diesel engine tail gas collecting device
By designing an automatic clamping and heat-insulated diesel engine exhaust gas collection device, the physical energy consumption and high-temperature scalding caused by manual fixation are solved, and safe and efficient exhaust gas collection is achieved.
Patent Information
- Application Number
- CN202422011618.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-20
AI Technical Summary
The existing diesel engine exhaust gas collection device needs to be manually fixed when connected, which consumes workers' physical strength and high-temperature exhaust gas will burn workers, posing safety hazards.
A device including a collection cover, corrugated tube and fixed grab assembly is designed to automatically clamp the exhaust gas discharge pipe using a clamping plate and a fixing ring, combining thermal insulation layer and anti-slip marks to reduce the impact of manual operation and high temperature.
The automatic connection of the exhaust gas collection device is realized, reducing workers' physical energy consumption, avoiding high-temperature scalding, and improving operational safety and convenience.
Smart Images

Figure CN223091617U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile exhaust gas collection, and particularly relates to a diesel engine exhaust gas collection device. Background Art
[0002] Diesel engine exhaust gas contains a large amount of toxic and harmful gases, which is the most direct and obvious. With the intensification of industrialization, diesel engines are more widely used, and more exhaust gas is emitted, making it easier for people to directly inhale a large amount of exhaust gas, which can cause harm to the human body, lead to various diseases, and even cause death. The exhaust gas contains a large amount of carbon dioxide, which further aggravates the greenhouse effect. Therefore, it is necessary to collect and detect the exhaust gas of corresponding diesel engines.
[0003] Publication (Announcement) Number: CN220354758U. The utility model discloses a device for collecting exhaust gas, including a connecting device assembly. The connecting device assembly includes a corrugated pipe elbow. A first mounting seat is fixedly connected to the surface of the corrugated pipe elbow. A limiting ring is fixedly connected to the surface of the first mounting seat. A sealing gasket is fixedly connected to one end of the limiting ring close to the first mounting seat. By aligning the first mounting seat with the second mounting seat, and threading the threaded column through the second mounting seat, and then cooperating the fixing nut with the threaded column, the corrugated pipe body and the corrugated pipe elbow are installed together, which is convenient for quick installation and connection. By setting the corrugated pipe elbow, it is convenient to adjust the direction of the corrugated pipe elbow according to the construction requirements, so as to adjust the angle of the corrugated pipe body, which increases the plasticity of the corrugated pipe body to a certain extent, achieving the purpose of making a device for collecting exhaust gas easy to install and improving the plasticity of the corrugated pipe during use.
[0004] After analysis, when the collection end of this scheme is connected to the exhaust gas discharge pipeline, sampling needs to be carried out by manual fixing, which will seriously consume the physical strength of workers, and the high temperature of the exhaust gas will also make workers feel uncomfortable. In view of the above problems, this scheme needs to be optimized and improved. Summary of the Utility Model
[0005] In order to solve the problems in the background art, the utility model provides a diesel engine exhaust gas collection device to solve the problems of consuming workers' physical strength and workers being affected by high temperature.
[0006] A diesel engine exhaust gas collection device provided by the utility model includes a collection hood, a corrugated pipe is connected to the collection hood, a collection and sampling mechanism is arranged at the other end of the corrugated pipe, and a fixed grasping component is arranged on the collection hood; the fixed grasping component includes a first threaded pipe communicated with the collection hood, a fixed ring is connected to the outer thread of the first threaded pipe, a plurality of openings are evenly arranged at the upper end of the first threaded pipe, a clamping plate is hinged in the opening, triangular protrusions are arranged on the sides of the clamping plate away from each other, grooves are arranged on the sides of the clamping plate close to each other, a spring is fixedly installed in the groove, and the other end of the spring is fixedly connected to the first threaded pipe.
[0007] Further, the collection and sampling mechanism includes a second threaded pipe fixedly connected to the corrugated pipe, a sampling bottle is threadedly connected to the second threaded pipe, a thread is arranged outside the bottle mouth of the sampling bottle, an exhaust pipe is arranged on the sampling bottle, and a rubber stopper is arranged outside the exhaust pipe.
[0008] Further, a connecting piece is fixedly installed on the rubber stopper, and the other end of the connecting piece is fixedly connected to the sampling bottle.
[0009] Further, a heat insulation layer is arranged outside the second threaded pipe.
[0010] Further, anti-slip lines are arranged outside the fixed ring.
[0011] Further, anti-slip strips are arranged on the clamping plate.
[0012] Further, the anti-slip strips are made of metal materials.
[0013] The beneficial effects of the utility model:
[0014] By improving and optimizing the structure of the joint position with the exhaust gas discharge pipe, when connecting the exhaust gas discharge pipe, through the mutual cooperation between the clamping plates, the collection hood and the exhaust pipe can be connected without manual control, reducing the physical energy consumption of workers, avoiding workers being scalded by high-temperature exhaust gas when collecting exhaust gas, and being more friendly to the health of workers. Description of the drawings
[0015] Figure 1 It is a front view three-dimensional diagram of a diesel engine exhaust gas collection device of the utility model.
[0016] Figure 2 It is a rear view three-dimensional diagram of a diesel engine exhaust gas collection device of the utility model.
[0017] Figure 3 It is a schematic diagram of the clamping plate of a diesel engine exhaust gas collection device of the utility model.
[0018] Figure 4Schematic diagram of area A of a diesel engine exhaust gas collection device of the present utility model.
[0019] As shown in the figure:
[0020] 1. Collection hood, 2. Bellows, 3. First threaded pipe, 4. Fixed ring, 5. Opening, 6. Clamping plate, 7. Triangular protrusion, 8. Groove, 9. Spring, 10. Second threaded pipe, 11. Sampling bottle, 12. Thread, 13. Exhaust pipe, 14. Rubber stopper, 15. Connector, 16. Anti-slip pattern, 17. Anti-slip strip. Specific implementation manner
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0022] In the description of the utility model, it should be noted that unless otherwise clearly defined and limited, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0023] Please refer to all the specification drawings:
[0024] A diesel engine exhaust gas collection device includes a collection hood 1, a bellows 2 is connected to the collection hood 1, a collection and sampling mechanism is provided at the other end of the bellows 2, and a fixed grasping assembly is provided on the collection hood 1;
[0025] The fixed grasping assembly includes a first threaded pipe 3 that communicates with the collection hood 1, a fixed ring 4 is externally threaded to the first threaded pipe 3, a plurality of openings 5 are evenly provided at the upper end of the first threaded pipe 3, a clamping plate 6 is hingedly connected in the opening 5, triangular protrusions 7 are provided on the mutually remote sides of the clamping plate 6, grooves 8 are provided on the mutually close sides of the clamping plate 6, a spring 9 is fixedly installed in the groove 8, and the other end of the spring 9 is fixedly connected to the first threaded pipe 3;
[0026] As can be seen from the above description, when sampling, the collection hood 1 is sleeved on the exhaust pipe, and the fixing ring 4 is rotated to move the fixing ring 4 upward. Through the triangular protrusions 7 on the clamping plate 6, the clamping plates 6 are driven to approach each other, and the exhaust pipe is slowly clamped, so that the collection hood 1 and the exhaust pipe have a relatively stable working structure. Workers can save the inconvenience of always holding the sampling pipe by hand and avoid the risk of being scalded by the high temperature of the exhaust gas.
[0027] As a technical optimization scheme of the present utility model, the collection and sampling mechanism includes a second threaded pipe 10 fixedly connected to the corrugated pipe 2. A sampling bottle 11 is threadedly connected to the second threaded pipe 10. There is a thread 12 outside the bottle mouth of the sampling bottle 11. An exhaust pipe 13 is provided on the sampling bottle 12, and a rubber stopper 14 is provided outside the exhaust pipe 13.
[0028] As can be seen from the above description, the sampling bottle 11 is connected to the second threaded pipe 10 through the thread on the second threaded pipe 10. The rubber stopper 14 is opened so that the exhaust gas can successfully enter the sampling bottle 11. After a period of emission, the rubber stopper 14 is plugged, and then the sampling bottle 11 is removed and sealed with a bottle cap to complete the sampling.
[0029] As a technical optimization scheme of the present utility model, a connecting member 15 is fixedly installed on the rubber stopper 14, and the other end of the connecting member 15 is fixedly connected to the sampling bottle 11.
[0030] As can be seen from the above description, the connecting member 15 can prevent the rubber stopper 14 from being left out.
[0031] As a technical optimization scheme of the present utility model, a heat insulation layer is provided outside the second threaded pipe 10.
[0032] As can be seen from the above description, the heat insulation layer can prevent workers from being scalded when removing the sampling bottle 11.
[0033] As a technical optimization scheme of the present utility model, anti-slip lines 16 are provided outside the fixing ring 4.
[0034] As can be seen from the above description, the anti-slip lines 16 can increase the friction outside the fixing ring 4.
[0035] As a technical optimization scheme of the present utility model, anti-slip strips 17 are provided on the clamping plate 6.
[0036] As can be seen from the above description, the anti-slip strips 17 can increase the friction between the clamping plate 6 and the exhaust pipe.
[0037] As a technical optimization scheme of the present utility model, the anti-slip strips 17 are made of metal material.
[0038] As can be seen from the above description, the metal material can withstand the high temperature of the exhaust gas emission and avoid structural deformation or material melting.
[0039] Working principle:
[0040] When sampling, put the collection hood 1 on the tail gas discharge pipe, rotate the fixed ring 4 to move the fixed ring 4 upward. Through the triangular protrusions 7 on the clamping plate 6, drive the clamping plates 6 to approach each other and slowly clamp the tail gas discharge pipe, so that the collection hood 1 and the tail gas discharge pipe have a relatively stable working structure. Workers can save the inconvenience of always holding the sampling pipe by hand and avoid the risk of being scalded by the high temperature of the tail gas.
[0041] The above describes the present utility model and its implementation manners. Such description is not restrictive. What is shown in the specific implementation manners is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural manners and embodiments to this technical solution without creative work without departing from the creative purpose of the present utility model, they shall fall within the protection scope of the present utility model.
Claims
1. An exhaust gas collection device for a diesel engine, comprising a collection hood, characterized in that: A corrugated pipe is connected to the collection hood, and a collection and sampling mechanism is provided at the other end of the corrugated pipe. A fixed grasping component is provided on the collection hood; the fixed grasping component includes a first threaded pipe that is interconnected with the collection hood. The first threaded pipe is externally threaded with a fixed ring. A plurality of openings are evenly provided at the upper end of the first threaded pipe. A clamping plate is hingedly connected in the opening. Triangular protrusions are provided on the sides of the clamping plate that are away from each other. Grooves are provided on the sides of the clamping plate that are close to each other. A spring is fixedly installed in the groove, and the other end of the spring is fixedly connected to the first threaded pipe.
2. The diesel engine tail gas collection device according to claim 1, characterized in that: The collection and sampling mechanism includes a second threaded pipe fixedly connected to the corrugated pipe. A sampling bottle is threadedly connected to the second threaded pipe. Threads are provided outside the bottle mouth of the sampling bottle. An exhaust pipe is provided on the sampling bottle, and a rubber plug is provided outside the exhaust pipe.
3. The diesel engine exhaust gas collection device according to claim 2, wherein: A connecting piece is fixedly installed on the rubber plug, and the other end of the connecting piece is fixedly connected to the sampling bottle.
4. The diesel engine tail gas collection device according to claim 3, characterized in that: A heat insulation layer is provided outside the second threaded pipe.
5. The diesel engine exhaust gas collection device according to claim 1, characterized in that: Anti-slip lines are provided outside the fixed ring.
6. The diesel engine tail gas collection device according to claim 1, characterized in that: Anti-slip strips are provided on the clamping plate.
7. The diesel engine tail gas collection device according to claim 6, characterized in that: The anti-slip strips are made of metal material.
Citation Information
Patent Citations
Tail gas collecting device
CN220354758U