CN211262574U - Adapter of cylinder pressure sensor - Google Patents
Adapter of cylinder pressure sensor Download PDFInfo
- Publication number
- CN211262574U CN211262574U CN202020290707.1U CN202020290707U CN211262574U CN 211262574 U CN211262574 U CN 211262574U CN 202020290707 U CN202020290707 U CN 202020290707U CN 211262574 U CN211262574 U CN 211262574U
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- adapter
- joint body
- pressure sensor
- indicator valve
- linkage segment
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Abstract
The utility model discloses mainly used internal-combustion engine cylinder head burst pressure's measurement, in particular to adapter of cylinder pressure sensor, including the adapter sleeve and the joint body that the cooperation was used, the adapter sleeve all sets up to cylindrical cavity with the joint body, is provided with indicator valve connecting thread and connecting hole in the adapter sleeve, and the joint body sets up linkage segment and seal segment, and the linkage segment outside corresponds the connecting hole setting, and linkage segment through connection hole and fastening connection, the inside sensor connecting thread that sets up of linkage segment. The utility model discloses contain two subassemblies and be the joint body, adapter sleeve respectively, the adapter sleeve is installed on internal-combustion engine shows the power valve, connects the body to be connected with jar pressure sensor. The two assemblies are sleeved together to form the adapter, the structure is reasonable, the connection is convenient, and the sealing performance is guaranteed.
Description
Technical Field
The utility model relates to an adapter of cylinder pressure sensor, the measurement of mainly used internal-combustion engine cylinder head outbreak pressure often uses with sensor collocation to realize monitoring internal-combustion engine's the burning condition.
Background
In order to research and analyze combustion conditions in the internal combustion engine industry, a combustion analyzer is often required to be installed. The combustion analyzer is generally used for research and analysis by measuring the explosion pressure in a cylinder head through a sensor. The mounting between the sensor and the internal combustion engine is a technical difficulty. The explosion pressure of the internal combustion engine is transmitted by the burnt air, the temperature of the air is up to 800 ℃ or more, and even if the thermal conductivity of the air is poor and the sealing is good, the temperature at the sensor is up to 450 ℃. Once the adapter between the sensor and the internal combustion engine is not sealed well, high-temperature fuel gas flows through the adapter, and the sensor is damaged when the temperature reaches over 600 ℃. The adapter is required to meet the installation requirement, the sealing requirement and the high-temperature state without burning.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a be convenient for connect and show merit valve and sensor, guarantee with the laminating degree of showing the merit valve hole, prevent the adapter of cylinder pressure sensor of high-temperature gas leakage.
Adapter of cylinder pressure sensor, including the adapter sleeve and the joint body that the cooperation was used, the adapter sleeve all sets up to cylindrical cavity with the joint body, is provided with indicator valve connecting thread and connecting hole in the adapter sleeve, the joint body sets up linkage segment and seal segment, the outside connecting hole setting that corresponds of linkage segment, linkage segment through connection hole and fastening connection, the inside sensor connecting thread that sets up of linkage segment.
Two planes are arranged on the opposite sides of the outer part of the joint sleeve. The joint sleeve can be conveniently disassembled and assembled from the indicator valve by a wrench.
The taper of the inner conical surface of the joint body sealing section corresponding to the indicator valve is 1: 10, the conical surface of the indicator valve is contacted with the measuring hole on the indicator valve to form a surface sealing structure.
The joint body and the joint sleeve are made of heat-resistant steel 4Cr10Si2 Mo.
The indicator valve connecting thread is arranged as a thread 26.624 multiplied by 2.54-6G which is matched with the international universal thread on the indicator valve.
The sensor connecting thread is M10 multiplied by 1 national standard thread.
The special screw thread 26.624 x 2.54-6G is arranged on the joint sleeve and matched with the international general screw thread on the indicator valve, so that the screw thread is prevented from burning up at the temperature of over 500 ℃. One side of the joint body is provided with an M10 multiplied by 1 national standard thread which can be used for installing most cylinder pressure sensors in the market; the other side of the joint body is processed into 1: 10, the conical surface ensures the fitting degree with the indicator valve hole and prevents high-temperature gas from leaking.
The utility model has the advantages that:
the structure comprises a joint body and a joint sleeve which are respectively arranged on an indicator valve of the internal combustion engine, wherein the joint body is connected with a cylinder pressure sensor. The two assemblies are sleeved together to form the adapter, the structure is reasonable, the connection is convenient, and the sealing performance is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the middle joint sleeve of the present invention.
Fig. 2 is a schematic top sectional view of fig. 1.
Fig. 3 is a schematic structural diagram of the middle joint body of the present invention.
In the figure: 1. a joint sleeve; 1.1, connecting threads of the indicator valve; 1.2, connecting holes; 2. a fitting body; 2.1, connecting sections; 2.2, a sealing section; 2.3, connecting a sensor with a thread;
A. a joint sleeve plane; B. a joint sleeve connecting surface; C. a joint body connection face; D. the connector body conical surface.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
as shown in fig. 1-3, adapter of cylinder pressure sensor, including adapter sleeve 1 and the joint body 2 that the cooperation was used, adapter sleeve 1 and joint body 2 all set up to cylindrical cavity, are provided with in the adapter sleeve 1 and show merit valve connecting thread 1.1 and connecting hole 1.2, the joint body 2 sets up linkage segment 2.1 and seal segment 2.2, the outside connecting hole 1.2 setting that corresponds of linkage segment 2.1, linkage segment 2.1 through connection hole and fastening connection, the inside sensor connecting thread 2.3 that sets up of linkage segment 2.1. Two planes are arranged on the external opposite sides of the joint sleeve 1. The taper of the internal conical surface of the sealing section 2.2 of the joint body 2, which corresponds to the indicator valve, is 1: 10, the conical surface of the indicator valve is contacted with the measuring hole on the indicator valve to form a surface sealing structure. The joint body 2 and the joint sleeve 1 are made of heat-resistant steel 4Cr10Si2 Mo. The indicator valve connecting thread 1.1 is provided with threads 26.624 multiplied by 2.54-6G which are matched with international universal threads on the indicator valve. The sensor connection thread 2.3 is provided as a national standard thread of M10 x 1.
And the upper planes A of the two joint sleeves 1 are processed, so that the joint sleeves 1 can be conveniently disassembled and assembled from the indicator valve by using a spanner. The special thread 26.624 multiplied by 2.54-6G on the joint sleeve 1 is matched with the thread on the indicator valve, the B surface of the joint sleeve 1 joint surface is contacted with the C surface of the joint body joint surface, and the joint body 2 is locked on the indicator valve. The conical surface D of the joint body is 1: the conical surface of 10 is contacted with a measuring hole on the indicator valve, so that the sealing performance is ensured in a surface sealing mode, and high-temperature gas cannot be leaked. The connecting section 2.1 of the joint body 2 extends out through the connecting hole 1.2, and the sensor connecting thread 2.3 is connected with a sensor to measure the explosion pressure of the internal combustion engine.
During the use, will connect body 2 and put into the measuring hole on the indicator valve, connect the nipple 1 and connect the indicator valve external screw thread through inside indicator valve connecting thread 1.1, through threaded connection with connecting body 2 locking on the indicator valve, connect the linkage segment 2.1 of body 2 and wear out the connecting hole 1.2 of nipple 1 to be connected with the sensor through sensor connecting thread 2.3, in order to measure the explosive pressure of internal-combustion engine.
Claims (6)
1. The utility model provides a sensor's adapter is pressed to jar which characterized in that: connect cover (1) and joint body (2) including the cooperation use, connect cover (1) and joint body (2) and all set up to cylindrical cavity, be provided with indicator valve connecting thread (1.1) and connecting hole (1.2) of arranging from top to bottom in the joint cover (1), connect body (2) to set up linkage segment (2.1) and seal segment (2.2), linkage segment (2.1) outside corresponds connecting hole (1.2) and sets up, linkage segment (2.1) through connection hole (1.2) and fastening connection, linkage segment (2.1) inside sets up sensor connecting thread (2.3).
2. The adapter for cylinder pressure sensor according to claim 1, wherein: two planes are arranged on the opposite sides of the outer part of the joint sleeve (1).
3. The adapter for cylinder pressure sensor according to claim 1, wherein: the external part of the sealing section (2.2) of the joint body (2) corresponds to the internal conical surface of the indicator valve and is set to have the taper of 1: 10, the conical surface of the indicator valve is contacted with the measuring hole on the indicator valve to form a surface sealing structure.
4. The adapter for cylinder pressure sensor according to claim 1, wherein: the joint body (2) and the joint sleeve (1) are made of heat-resistant steel 4Cr10Si2 Mo.
5. The adapter for cylinder pressure sensor according to claim 1, wherein: the indicator valve connecting thread (1.1) is provided with threads 26.624 multiplied by 2.54-6G which are matched with international universal threads on the indicator valve.
6. The adapter for cylinder pressure sensor according to claim 1, wherein: the sensor connecting thread (2.3) is set as a national standard thread of M10 multiplied by 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020290707.1U CN211262574U (en) | 2020-03-11 | 2020-03-11 | Adapter of cylinder pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020290707.1U CN211262574U (en) | 2020-03-11 | 2020-03-11 | Adapter of cylinder pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211262574U true CN211262574U (en) | 2020-08-14 |
Family
ID=71991388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020290707.1U Active CN211262574U (en) | 2020-03-11 | 2020-03-11 | Adapter of cylinder pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211262574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727747A (en) * | 2021-01-14 | 2021-04-30 | 浙江强盛压缩机制造有限公司 | Online monitoring system of ultralow-temperature reciprocating compressor and power indicating method thereof |
| CN114674568A (en) * | 2021-10-08 | 2022-06-28 | 中国船舶重工集团公司第七一一研究所 | Measuring device for measuring high-temperature cylinder pressure and diesel engine |
-
2020
- 2020-03-11 CN CN202020290707.1U patent/CN211262574U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727747A (en) * | 2021-01-14 | 2021-04-30 | 浙江强盛压缩机制造有限公司 | Online monitoring system of ultralow-temperature reciprocating compressor and power indicating method thereof |
| CN114674568A (en) * | 2021-10-08 | 2022-06-28 | 中国船舶重工集团公司第七一一研究所 | Measuring device for measuring high-temperature cylinder pressure and diesel engine |
| CN114674568B (en) * | 2021-10-08 | 2024-01-12 | 中国船舶集团有限公司第七一一研究所 | Measuring device for measuring high-temperature cylinder pressure and diesel engine |
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