Oil pressure sensor for transmission

Abstract

The utility model discloses an oil pressure sensor for a transmission, which belongs to the field of oil pressure sensors and comprises an oil pressure sensor main body, a fixed base plate is fixedly sleeved on the oil pressure sensor main body, an anti-loosening component is movably mounted on the oil pressure sensor main body and the fixed base plate, and the anti-loosening component consists of a movable base plate and an inserting rod. The oil pressure sensor body is provided with the fixed base plate, the anti-loosening assembly and the fixed assemblies, when the oil pressure sensor body is used and installed, the oil pressure sensor body is installed on a transmission through a threaded pipe on the oil pressure sensor body, the oil pressure sensor body is installed on the transmission through the threaded pipe on the oil pressure sensor body, and the anti-loosening assembly is installed on the fixed base plate through the threaded pipe on the oil pressure sensor body. In addition, an insertion rod on the anti-loosening assembly can be inserted into the transmission, and the anti-loosening assembly is fixed by using the fixing assembly, so that the oil pressure sensor main body can be prevented from rotating and loosening relative to the transmission after being vibrated, and the oil pressure sensor main body can accurately sense the pressure change of hydraulic oil in the transmission.

Description

Technical Field

[0001] The utility model relates to the field of oil pressure sensors, in particular to an oil pressure sensor for a transmission. Background Art

[0002] The oil pressure sensor for the transmission is an important automotive component. It is responsible for detecting the temperature, pressure and other parameters of the automatic transmission hydraulic oil, and converting these parameters into electrical signals to enable the electronic control unit to perform shift control, oil pressure control and locking clutch control, etc. Traditional oil pressure sensors are generally only fixed to the transmission by threaded installation, such as the automobile transmission oil pressure sensor proposed in the existing patent application with application number CN202022197238.1. However, the car will face various road conditions during driving, and long-term vibration may cause the sensor to rotate loose relative to the transmission, which may cause it to be unable to accurately sense the pressure changes of the hydraulic oil, so it needs to be improved. Utility Model Content

[0003] The main purpose of the utility model is to provide an oil pressure sensor for a transmission, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A transmission oil pressure sensor comprises an oil pressure sensor body, a fixed base plate is fixedly sleeved on the oil pressure sensor body, anti-loosening components are movably mounted on the oil pressure sensor body and the fixed base plate, the anti-loosening component consists of a movable base plate and an insertion rod, there are two insertion rods which are symmetrically fixedly mounted on the lower end of the movable base plate, two fixed components are symmetrically mounted on the fixed base plate, the fixed component consists of a base block, a card plate, an extrusion anti-slip plate and a fixed spring, the card plate is fixedly mounted in the base block, there are two extrusion anti-slip plates which are symmetrically fixedly mounted at both ends of the base block, there are two fixed springs which are respectively fixedly mounted on the outer ends of the two extrusion anti-slip plates, and the card plate can be inserted in the insertion rod.

[0006] Preferably, the oil pressure sensor body is composed of a shell, a connector and a threaded tube, the connector is fixedly mounted on the upper end of the shell, and the threaded tube is fixedly mounted on the lower end of the shell.

[0007] Preferably, the fixed substrate is fixedly sleeved on the shell, two mounting grooves are symmetrically provided on the outer wall of the fixed substrate, a first arc-shaped groove is provided on the inner wall of the mounting groove, and two accommodating grooves are symmetrically provided on the inner wall of the mounting groove, and the mounting groove and the first arc-shaped groove penetrate the fixed substrate up and down at the same time.

[0008] Preferably, the movable base plate on the anti-loosening assembly is movably sleeved on the housing, the insertion rod is inserted downward into the first arc-shaped groove, and two clamping grooves are symmetrically provided on the outer wall of the insertion rod.

[0009] Preferably, the base block on the fixing assembly is movably mounted in the mounting groove, and the extrusion anti-drop plate and the fixing spring are both located in the accommodating groove.

[0010] Preferably, a second arc-shaped groove is formed at the inner end of the base block, the clamping plate is fixedly installed in the second arc-shaped groove, the base block is pressed against the insertion rod through the second arc-shaped groove, and the clamping plate is inserted in the clamping groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] By arranging a fixed base plate, an anti-loosening component and a fixing component on the oil pressure sensor body, when using and installing, in addition to installing the oil pressure sensor body on the transmission through the threaded tube thereon, the insertion rod on the anti-loosening component can also be inserted into the transmission, and the anti-loosening component can be fixed using the fixing component, thereby preventing the oil pressure sensor body from rotating loose relative to the transmission after being vibrated, thereby ensuring that the oil pressure sensor body can accurately sense the pressure changes of the hydraulic oil in the transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the oil pressure sensor body and the fixed substrate of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the anti-loosening component of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the fixing component of the utility model.

[0017] In the figure: 1. Oil pressure sensor body; 2. Fixed base plate; 3. Anti-loosening assembly; 4. Fixed assembly; 5. Shell; 6. Connector; 7. Threaded pipe; 8. Mounting groove; 9. First arc groove; 10. Accommodating groove; 11. Movable base plate; 12. Insert rod; 13. Card slot; 14. Base block; 15. Second arc groove; 16. Card plate; 17. Extrusion anti-slip plate; 18. Fixed spring. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a transmission oil pressure sensor includes an oil pressure sensor body 1, which is composed of a shell 5, a connector 6 and a threaded tube 7. The connector 6 is fixedly installed on the upper end of the shell 5, and the threaded tube 7 is fixedly installed on the lower end of the shell 5.

[0020] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a fixed base plate 2 is fixedly sleeved on the main body 1 of the oil pressure sensor, and the fixed base plate 2 is fixedly sleeved on the housing 5. Two mounting grooves 8 are symmetrically provided on the outer wall of the fixed base plate 2, and a first arc groove 9 is provided on the inner wall of the mounting groove 8. Two receiving grooves 10 are symmetrically provided on the inner wall of the mounting groove 8. The mounting groove 8 and the first arc groove 9 simultaneously penetrate the fixed base plate 2 from top to bottom. An anti-loosening component 3 is movably installed on the main body 1 of the oil pressure sensor and the fixed base plate 2, and the anti-loosening component 3 is composed of a movable base plate 11 and a plug rod 12. The plug rod 12 has two and is symmetrically fixedly installed at the lower end of the movable base plate 11. The movable base plate 11 on the anti-loosening component 3 is movably sleeved on the housing 5. The plug rod 12 is inserted downward into the first arc groove 9. Two card slots 13 are symmetrically opened on the outer wall of the plug rod 12. Two fixed components 4 are symmetrically installed on the fixed base plate 2. The fixed component 4 is composed of a base block 14, a card plate 16, an extrusion anti-slip plate 17 and a fixed spring 18. The card plate 16 is fixedly installed in the base block 14. The extrusion anti-slip plate 17 has two and is symmetrically fixedly installed. Mounted at both ends of the base block 14, there are two fixed springs 18 and they are fixedly mounted on the outer ends of the two extrusion anti-dropout plates 17, the card plate 16 can be inserted into the insertion rod 12, the base block 14 on the fixed component 4 is movably mounted in the mounting groove 8, the extrusion anti-dropout plate 17 and the fixed spring 18 are both located in the accommodating groove 10, the inner end of the base block 14 is provided with a second arc groove 15, the card plate 16 is fixedly mounted in the second arc groove 15, the base block 14 is against the insertion rod 12 through the second arc groove 15, the card plate 16 is inserted in the card groove 13, and the base block 14 is fixedly mounted on the insertion rod 12 through the second arc groove 15. A fixed base plate 2, an anti-loosening component 3 and a fixing component 4 are provided on the oil pressure sensor body 1. When in use and installation, in addition to installing the oil pressure sensor body 1 on the transmission through the threaded tube 7 thereon, the insertion rod 12 on the anti-loosening component 3 can also be inserted into the transmission, and the anti-loosening component 3 can be fixed using the fixing component 4, thereby preventing the oil pressure sensor body 1 from rotating loose relative to the transmission after being vibrated, thereby ensuring that the oil pressure sensor body 1 can accurately sense the pressure changes of the hydraulic oil in the transmission.

[0021] It should be noted that the utility model is a transmission oil pressure sensor, which can be provided with a blind hole on the transmission for inserting the insertion rod 12. When the oil pressure sensor body 1 is not installed on the transmission, the lower end of the insertion rod 12 on the anti-loosening component 3 can be made flush with the lower end of the fixed base plate 2. At this time, under the elastic force of the fixed spring 18, the card plate 16 will be inserted into the lower card groove 13. When the oil pressure sensor body 1 needs to be installed on the transmission, the threaded tube 7 on the oil pressure sensor body 1 can be screwed onto the transmission with a tool, and then the insertion rod 12 on the anti-loosening component 3 can be inserted into the blind hole provided on the transmission. The method is as follows: First, pull the base block 14 on the fixing component 4 outward. At this time, the base block 14 will move outward with the extrusion anti-slip plate 17. During this process, the fixing spring 18 will be compressed. When the card plate 16 is completely moved out of the lower card slot 13, the fixation of the anti-loosening component 3 is released. Then the anti-loosening component 3 can be pushed downward. When the insertion rod 12 is inserted into the blind hole opened on the transmission, the fixing component 4 is released. At this time, under the elastic force of the fixing spring 18, the card plate 16 will be inserted into the upper card slot 13. At this time, the anti-loosening component 3 will be fixed by the fixing component 4. At this time, the oil pressure sensor body 1 is installed and fixed to the transmission.

[0022] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model. The protection scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A transmission oil pressure sensor, comprising an oil pressure sensor body (1), characterized in that: A fixed base plate (2) is fixedly sleeved on the oil pressure sensor body (1), and an anti-loosening component (3) is movably mounted on the oil pressure sensor body (1) and the fixed base plate (2). The anti-loosening component (3) consists of a movable base plate (11) and an insertion rod (12). The insertion rod (12) has two components that are symmetrically fixedly mounted on the lower end of the movable base plate (11). Two fixed components (4) are symmetrically mounted on the fixed base plate (2). The fixed components (4) consist of a base block (14), a clamping plate (16), an extrusion anti-slip plate (17), and a fixing spring (18). The clamping plate (16) is fixedly mounted in the base block (14), the extrusion anti-slip plates (17) have two components that are symmetrically fixedly mounted at two ends of the base block (14), the fixing spring (18) has two components that are respectively fixedly mounted on the outer ends of the two extrusion anti-slip plates (17), and the clamping plate (16) can be inserted in the insertion rod (12).

2. The oil pressure sensor for a transmission according to claim 1, characterized in that: The oil pressure sensor body (1) is composed of a shell (5), a connector (6) and a threaded tube (7); the connector (6) is fixedly mounted on the upper end of the shell (5), and the threaded tube (7) is fixedly mounted on the lower end of the shell (5).

3. The oil pressure sensor for a transmission according to claim 2, characterized in that: The fixed base plate (2) is fixedly sleeved on the housing (5); two mounting grooves (8) are symmetrically provided on the outer wall of the fixed base plate (2); a first arc-shaped groove (9) is provided on the inner wall of the mounting groove (8); two accommodating grooves (10) are symmetrically provided on the inner wall of the mounting groove (8); the mounting groove (8) and the first arc-shaped groove (9) simultaneously penetrate the fixed base plate (2) from top to bottom.

4. The oil pressure sensor for a transmission according to claim 3, characterized in that: The movable base plate (11) on the anti-loosening component (3) is movably sleeved on the housing (5), the insertion rod (12) is inserted downward into the first arc-shaped groove (9), and two clamping grooves (13) are symmetrically formed on the outer wall of the insertion rod (12).

5. The oil pressure sensor for a transmission according to claim 4, characterized in that: The base block (14) on the fixing assembly (4) is movably mounted in the mounting groove (8), and the extrusion anti-slip plate (17) and the fixing spring (18) are both located in the receiving groove (10).

6. The oil pressure sensor for a transmission according to claim 5, characterized in that: A second arc-shaped groove (15) is formed at the inner end of the base block (14), and the clamping plate (16) is fixedly installed in the second arc-shaped groove (15). The base block (14) is pressed against the insertion rod (12) through the second arc-shaped groove (15), and the clamping plate (16) is inserted into the clamping groove (13).

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