CN218669591U - Cylinder cover with function of quickly dismounting detonation pressure sensor - Google Patents
Cylinder cover with function of quickly dismounting detonation pressure sensor Download PDFInfo
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- CN218669591U CN218669591U CN202223158443.2U CN202223158443U CN218669591U CN 218669591 U CN218669591 U CN 218669591U CN 202223158443 U CN202223158443 U CN 202223158443U CN 218669591 U CN218669591 U CN 218669591U
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- pressure sensor
- cylinder head
- detonation pressure
- cylinder
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Abstract
The utility model discloses a cylinder head with quick assembly disassembly detonation pressure sensor function, include: cylinder head body, cylinder head cover, detonation pressure sensor and depression bar. The cylinder cover is arranged on the cylinder cover body and is provided with a vertical through hole. The detonation pressure sensor is arranged in the cylinder cover body, and a cable of the detonation pressure sensor penetrates out of the cylinder cover body and the cylinder cover. And one end of the pressure lever vertically penetrates through a through hole of the cylinder head cover, is screwed in the cylinder head body and is abutted against the detonation pressure sensor. Wherein, the other end of the pressure lever is higher than the top of the cylinder head cover. Therefore, the utility model discloses a cylinder head with quick assembly disassembly detonation pressure sensor function, simple structure is reasonable, need not tear open cylinder head cover and relevant spare part around it during dismouting detonation pressure sensor, weak point consuming time has shortened the latency of test bench greatly, has saved the cost.
Description
Technical Field
The utility model relates to an engine technical field especially relates to a cylinder head with quick assembly disassembly detonation pressure sensor function.
Background
The combustion process is the core of engine development, and the quality of combustion directly determines various performance performances of the engine. The combustion process is the performance of the overall design and configuration of the engine, and the hardware configuration of the engine can be accurately evaluated by analyzing the combustion process, so that the defects of a related hardware system can be found, and the improvement of the design scheme of the engine and the improvement of performance indexes by technical personnel are facilitated. Aiming at improving the quality of oil-gas mixture in a combustion process in a delayed combustion period, accelerating the combustion speed in a fast combustion period, reducing the specific gravity of combustion in a slow combustion period and a post combustion period, finding a method for improving power, reducing emission level and reducing vibration and noise by analyzing data such as combustion explosion pressure, a heating rate curve, a duration, a combustion gravity center and the like, and improving the performance of an engine, wherein a combustion analyzer is a main device for testing and analyzing the combustion process, intuitively reflects the change curves such as pressure, a heating rate, an average effect pressure and the like in the combustion process by synchronously measuring the explosion pressure and a crank angle, and provides accurate and reliable test data and evaluation basis. The detonation pressure sensor is used as a core component of the combustion analyzer and performs high-strength continuous work in a cylinder cover with high temperature, high detonation pressure and strong vibration.
As shown in fig. 1, when inspecting or replacing the conventional burst pressure sensor, it is necessary to disassemble the cylinder head cover 2, disassemble the pressure rod 4, and finally remove the burst pressure sensor 3. And when the cylinder head cover 2 is disassembled, a plurality of other parts around the cylinder head cover are required to be disassembled, the whole operation consumes long time, and the waiting time of the test bed is long.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cylinder head with quick assembly disassembly detonation pressure sensor function, simple structure is reasonable, need not tear open cylinder head cover and its relevant spare part on every side during dismouting detonation pressure sensor, weak point consuming time has shortened the latency of test bench greatly, has saved the cost.
In order to achieve the above object, the utility model provides a cylinder head with quick assembly disassembly detonation pressure sensor function, include: cylinder head body, cylinder head cover, detonation pressure sensor and depression bar. The cylinder cover is arranged on the cylinder cover body and is provided with a vertical through hole. The detonation pressure sensor is arranged in the cylinder cover body, and a cable of the detonation pressure sensor penetrates out of the cylinder cover body and the cylinder cover. And one end of the pressure lever vertically penetrates through a through hole of the cylinder head cover, is screwed in the cylinder head body and is abutted against the detonation pressure sensor. Wherein, the other end of the pressure lever is higher than the top of the cylinder head cover.
In an embodiment of the present invention, the cylinder head body has a sleeve inside, and the detonation pressure sensor is installed in the sleeve.
In an embodiment of the present invention, the sleeve has an internal thread, the pressure rod has an external thread, and the pressure rod is screwed into the sleeve.
In an embodiment of the present invention, the outer portion of the burst pressure sensor has a sheath, and the sheath is composed of a sheath upper body and a sheath lower body.
The utility model discloses an in the embodiment, the sheath upper part of the body and the sheath lower part of the body welded connection, and the sheath lower part of the body including setting up the external screw thread that is connected in its bottom outside and cylinder cap, set up the through-hole step that is provided with the pressure acquisition passageway that runs through of the bottom of the body bottom under the sheath, set up at through-hole step top and the sealed complex sensor seal face of detonation pressure sensor front end, set up the sensor installation internal thread in through-hole step top.
The utility model discloses an in the embodiment, the diameter of pressure acquisition passageway is 3mm, and the height of through-hole step is 2mm ~ 4mm.
Compared with the prior art, according to the utility model discloses a cylinder head with quick assembly disassembly detonation pressure sensor function, simple structure is reasonable, need not tear open cylinder head cover and relevant spare part around it during dismouting detonation pressure sensor, weak point consuming time has shortened the latency of test bench greatly, has saved the cost.
Drawings
FIG. 1 is a schematic cross-sectional view of a prior art cylinder head with a burst pressure sensor mounted therein;
fig. 2 is a schematic cross-sectional structural view of a cylinder head having a function of quickly mounting and dismounting a burst pressure sensor according to an embodiment of the present invention;
fig. 3 is a schematic partial perspective view of a cylinder head with a function of quickly mounting and dismounting a burst pressure sensor according to an embodiment of the present invention.
Description of the main reference numerals:
1-cylinder cover body, 2-cylinder cover hood, 3-detonation pressure sensor, 4-pressure rod, 5-sleeve, 6-jacket upper body, 7-jacket lower body and 8-pressure acquisition channel.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations such as "comprises" or "comprising", etc., will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 2 is a schematic cross-sectional structural diagram of a cylinder head with a function of quickly mounting and dismounting the detonation pressure sensor 3 according to an embodiment of the present invention. Fig. 3 is a schematic partial perspective view of a cylinder head with a function of quickly mounting and dismounting the detonation pressure sensor 3 according to an embodiment of the present invention.
As shown in fig. 2 to 3, a cylinder head with a function of a rapid dismounting and mounting detonation pressure sensor 3 according to the preferred embodiment of the present invention comprises: cylinder head body 1, cylinder head cover 2, detonation pressure sensor 3 and depression bar 4. The cylinder head cover 2 covers the cylinder head body 1, and a vertical through hole is formed in the cylinder head cover 2. The detonation pressure sensor 3 is installed in the cylinder head body 1, and a cable of the detonation pressure sensor 3 penetrates through the cylinder head body 1 and the cylinder head cover 2. And one end of the pressure lever 4 vertically penetrates through a through hole of the cylinder head cover 2, is screwed in the cylinder head body 1 and is abutted against the detonation pressure sensor 3. Wherein, the other end of the pressure lever 4 is higher than the top of the cylinder head cover 2.
In an embodiment of the present invention, the cylinder head body 1 has a sleeve 5 inside, and the detonation pressure sensor 3 is installed inside the sleeve 5.
In an embodiment of the present invention, the sleeve 5 has an internal thread, the pressing rod 4 has an external thread, and the pressing rod 4 is screwed into the sleeve 5.
In an embodiment of the present invention, the outer portion of the detonation pressure sensor 3 has a sheath, and the sheath is composed of a sheath upper body 6 and a sheath lower body 7.
The utility model discloses an in the embodiment, 6 and 7 welded connections of the sheath lower part of the body of the sheath upper part of the body, and 7 including setting up the external screw thread that is connected in its bottom outside and cylinder cap under the sheath, set up the through-hole step that runs through and be provided with pressure acquisition passageway 8 under the sheath lower part of the body 7 bottom, set up at through-hole step top and the sealed face of complex sensor of the 3 front ends of detonation pressure sensor, set up the sensor installation internal thread in through-hole step top.
The utility model discloses an in the embodiment, the diameter of pressure acquisition passageway 8 is 3mm, and the height of through-hole step is 2mm ~ 4mm.
In the engine performance test process, the utility model discloses need not tear open cylinder head cover 2 and relevant part around it, because the upper end of depression bar 4 is higher than cylinder head cover 2's top, so can directly dismantle depression bar 4 on the basis of not dismantling cylinder head cover 2, this moment with detonation pressure sensor 3 dismantle again can, weak point consuming time has shortened the latency of test bench greatly.
In a word, the utility model discloses a cylinder head with quick assembly disassembly detonation pressure sensor 3 function, simple structure is reasonable, need not tear cylinder head cover 2 and relevant spare part around it open during dismouting detonation pressure sensor 3, weak point consuming time has shortened the latency of test bench greatly, has saved the cost.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (6)
1. The utility model provides a cylinder head with quick assembly disassembly burst pressure sensor function which characterized in that includes:
a cylinder head body;
the cylinder cover covers the cylinder cover body, and a vertical through hole is formed in the cylinder cover;
the detonation pressure sensor is arranged in the cylinder cover body, and a cable of the detonation pressure sensor penetrates through the cylinder cover body and the cylinder cover; and
one end of the pressure rod vertically penetrates through the through hole of the cylinder head cover, is screwed in the cylinder head body and is abutted against the detonation pressure sensor;
the other end of the pressure rod is higher than the top of the cylinder head cover.
2. The cylinder head having a function of quickly attaching and detaching a detonation pressure sensor according to claim 1, wherein a sleeve is provided inside the cylinder head body, and the detonation pressure sensor is mounted in the sleeve.
3. The cylinder head having a quick-attach and detach detonation pressure sensor function according to claim 2, characterized in that the sleeve has an internal thread, the pressure lever has an external thread, and the pressure lever is screwed into the sleeve.
4. The cylinder head with the function of quickly dismounting and mounting the detonation pressure sensor according to claim 3, characterized in that the detonation pressure sensor is externally provided with a sheath, and the sheath is composed of a sheath upper body and a sheath lower body.
5. The cylinder head with the function of quickly dismounting and mounting the detonation pressure sensor according to claim 4, wherein the sheath upper body and the sheath lower body are welded and connected, the sheath lower body comprises an external thread arranged on the outer side of the bottom of the sheath lower body and connected with the cylinder head, a through hole step arranged on the bottom of the sheath lower body and provided with a pressure acquisition channel, a sensor sealing surface arranged on the top of the through hole step and matched with the front end of the detonation pressure sensor in a sealing way, and a sensor mounting internal thread arranged above the through hole step.
6. The cylinder head with the function of quickly dismounting and mounting the detonation pressure sensor according to claim 5, characterized in that the diameter of the pressure collecting channel is 3mm, and the height of the through hole step is 2 mm-4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223158443.2U CN218669591U (en) | 2022-11-28 | 2022-11-28 | Cylinder cover with function of quickly dismounting detonation pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223158443.2U CN218669591U (en) | 2022-11-28 | 2022-11-28 | Cylinder cover with function of quickly dismounting detonation pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218669591U true CN218669591U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223158443.2U Active CN218669591U (en) | 2022-11-28 | 2022-11-28 | Cylinder cover with function of quickly dismounting detonation pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218669591U (en) |
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2022
- 2022-11-28 CN CN202223158443.2U patent/CN218669591U/en active Active
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