CN218816669U - Installation seal structure of trinity sensor of throttle valve - Google Patents
Installation seal structure of trinity sensor of throttle valve Download PDFInfo
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- CN218816669U CN218816669U CN202223390936.9U CN202223390936U CN218816669U CN 218816669 U CN218816669 U CN 218816669U CN 202223390936 U CN202223390936 U CN 202223390936U CN 218816669 U CN218816669 U CN 218816669U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The utility model discloses an installation sealing structure of a three-in-one sensor of a throttle valve, which comprises a throttle valve body, a first cushion block, a second cushion block and a three-in-one sensor; the throttle body is provided with a main air passage and a throttle shaft which is vertical to the main air passage; the inner end of the throttle shaft extends into the main air passage through the shaft hole and is connected with the throttle sheet; when carrying out sealing connection, all sealing washer mounting grooves are machine-formed on a part, do not need to constitute the installation sealing face of sealing washer after the part assembly by two or more, greatly reduced the assembly degree of difficulty of product, saved assembly man-hour, practiced thrift assembly cost with trinity sensor. And the quantity of trinity sensor installation spare part is less, and simple structure has reduced material cost, manufacturing degree of difficulty and assembly degree of difficulty.
Description
Technical Field
The utility model relates to a throttle body assembly for the engine, concretely relates to installation seal structure of trinity sensor of throttle.
Background
In a throttle valve assembly, sensors are generally used to measure the intake pressure, intake temperature, and angle position of a throttle valve plate of an engine at the same time, so as to provide the EFI system Electronic Control Unit (ECU) with the ability to calculate the fuel injection amount and accurately control the air-fuel ratio of combustible mixture entering a cylinder. Finally, the running state of the engine is accurately controlled, the oil consumption of the engine is reduced, and the emission of harmful gases in the tail gas of the motorcycle is effectively reduced.
The three-in-one sensor is mostly used in the prior art, the throttle position measuring mode based on the linear Hall principle is adopted, the core component of the throttle position measuring mainly comprises a linear Hall chip, an arc-shaped magnet and two semicircular magnetic conduction blocks, the linear Hall chip is clamped between parallel surfaces of the two magnetic conduction blocks, the arc-shaped magnet is fixed on a throttle shaft, and the arc-shaped magnet and the magnetic conduction blocks are coaxially arranged and can rotate on concentric circular tracks of outer rings of the magnetic conduction blocks along with the shaft. A uniform magnetic field is formed between the parallel surfaces of the two magnetic conduction blocks by the arc-shaped magnet, and the magnetic induction intensity of the magnetic field changes in an approximately sinusoidal rule along with the rotation position of the arc-shaped magnet; during measurement, the conversion from the rotating position to the linear output voltage is realized by utilizing the approximate linear section of the magnetic field change rule.
However, after the trinity sensor assembly, the contact surface between the current trinity sensor and the throttle body can't realize sealed usually, and water or foreign matter get into throttle sensor can influence the life and the performance of sensor. As shown in fig. 1 and 2, the mounting and sealing method of the throttle three-in-one sensor for the motorcycle comprises a body 2, a three-in-one sensor 3, a valve plate 4, a shaft 5, a bearing 7, a lip-shaped sealing ring 8, a lining 9, a sealing ring 15, a gasket 16 and a sealing ring 17; wherein, bush 9 constitutes a sealed face with body 2, and another sealed face is constituteed with body 2 to gasket 16 to have two dysmorphism sealing washer 15, 17 to install respectively on above-mentioned two sealed faces, in order to realize the sealed of sensor, simultaneously still have a lip type sealing washer 8 to install and fix in the inside of bush 9, and lip type sealing washer 8 takes the steel ring. However, when the three-in-one sensor sealing surface 7e corresponds to the body concave hole 1b, the sealing ring cannot be directly designed for installation and sealing, and a transition part needs to be designed to ensure the installation and sealing reliability of the three-in-one sensor. This just makes this technical scheme can guarantee the sealed reliability of installation of trinity sensor to a certain extent, but its sealed face is formed by the part assembly combination more than two or two, and its structure is comparatively complicated, and the plane degree is difficult to guarantee, and the assembly precision requires highly, and the assembly degree of difficulty is big, and assembly efficiency is also low.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the utility model aims to provide an installation seal structure of trinity sensor of air throttle to it is complicated to solve current sensor installation seal structure, and the assembly required precision is high, and the assembly degree of difficulty is big, the problem that assembly efficiency is also low.
In order to solve the technical problem, the utility model discloses a technical scheme is like this:
a mounting and sealing structure of a three-in-one sensor of a throttle valve comprises a throttle valve body and the three-in-one sensor; the throttle body is provided with a main air passage and a throttle shaft which is vertical to the main air passage; one side of the throttle valve body is provided with a shaft hole, a pressure sensing hole and a temperature probe mounting hole, and the inner end of the throttle valve shaft extends into the main air passage through the shaft hole and is connected with a throttle valve sheet; an annular bearing seat is formed on the outer side of the shaft hole of the throttle body, a first annular boss is formed on the outer side of each of the pressure sensing hole and the temperature probe mounting hole, the bearing seats and the first annular bosses are integrally formed, and the end faces of the bearing seats and the first annular bosses are flush; a first sealing ring is arranged on the bearing seat and the first annular bosses corresponding to the shaft hole, the pressure sensing hole and the temperature probe mounting hole respectively; a first cushion block and a second cushion block are sequentially arranged on the upper sides of the bearing seat and the first annular boss, and a shaft mounting through hole, a pressure sensing groove and a first temperature probe through hole are arranged on the first cushion block and correspond to the shaft hole, the pressure sensing hole and the temperature probe mounting hole; a second sealing ring is arranged on one side, away from the throttle body, of the first cushion block, and corresponds to the shaft mounting through hole, the pressure sensing groove and the first temperature probe through hole respectively; a central positioning hole, a pressure sensor sensing hole and a temperature probe through hole II are arranged on the cushion block II corresponding to the shaft mounting through hole, the pressure sensing groove and the temperature probe through hole I; a third sealing ring is arranged on one side, away from the first cushion block, of the second cushion block, and corresponds to the central positioning hole, the pressure sensor sensing hole and the temperature probe through hole; laminating of three-in-one sensor and two upside of cushion, the outer end of three-in-one sensor rotor subassembly and throttle shaft links to each other, and the forced induction probe stretches into the forced induction inslot after passing the forced induction hole of pressure sensor, and the temperature sensor probe stretches into in the temperature probe mounting hole after passing temperature probe via hole two and temperature probe via hole one.
Further, a first sealing ring mounting groove, a second sealing ring mounting groove and a third sealing ring mounting groove which are wound around the shaft hole, the pressure sensing hole and the temperature probe mounting hole for a circle are respectively formed in the outer sides of the shaft hole, the pressure sensing hole and the temperature probe mounting hole on the bearing seat and the first two annular bosses, and a first sealing ring is respectively mounted in the first sealing ring mounting groove, the second sealing ring mounting groove and the third sealing ring mounting groove;
a fourth sealing ring mounting groove, a fifth sealing ring mounting groove and a sixth sealing ring mounting groove are respectively formed in the outer sides of the first shaft mounting through hole, the first pressure sensing groove and the first temperature probe through hole, on the side of the first cushion block, away from the throttle body, and are respectively provided with a fourth sealing ring mounting groove, a fifth sealing ring mounting groove and a sixth sealing ring mounting groove, wherein the fourth sealing ring mounting groove, the fifth sealing ring mounting groove and the sixth sealing ring mounting groove are respectively provided with a second sealing ring;
and a sealing ring mounting groove seven, a sealing ring mounting groove eight and a sealing ring mounting groove nine which are wound around the central positioning hole, the pressure sensor sensing hole and the temperature probe via hole for one week are respectively arranged on the outer sides of the central positioning hole, the pressure sensor sensing hole and the temperature probe via hole II, and a sealing ring three is respectively arranged in the sealing ring mounting groove seven, the sealing ring mounting groove eight and the sealing ring mounting groove nine.
Further, adjacent sides of the first sealing ring mounting groove, the second sealing ring mounting groove and the third sealing ring mounting groove are communicated with each other, and correspondingly, the three first sealing rings are connected and integrally formed; the adjacent sides of the sealing ring mounting groove IV, the sealing ring mounting groove V and the sealing ring mounting groove VI are communicated with each other, and correspondingly, the three sealing rings are connected with each other and are integrally formed; and the seven sealing ring mounting grooves, the eight sealing ring mounting grooves and the nine adjacent sides of the nine sealing ring mounting grooves are communicated with each other, and correspondingly, three sealing rings are connected in three phases and are integrally formed.
Further, the pressure sensor induction hole is communicated with the other end of the pressure induction groove.
Furthermore, the middle part of the three-in-one sensor is provided with a positioning boss, and the positioning boss extends into a central positioning hole of the second cushion block and is in interference fit with the second cushion block.
Furthermore, a limiting boss is arranged on one side, which is attached to the second cushion block, of the three-in-one sensor, a limiting hole is formed in the second cushion block and corresponds to the limiting boss, and the limiting boss is inserted into the limiting hole and is in clearance fit with the limiting hole; the height of the limiting boss is greater than that of the positioning boss.
Further, a bearing is arranged between the throttle shaft and the bearing seat.
Further, the cross-sectional area of the pressure sensing groove is larger than that of the pressure sensing hole; the shaft mounting through hole and the shaft hole are on the same axial line.
Furthermore, the lower end of the shaft mounting through hole of the first cushion block is provided with a connecting convex ring, and the connecting convex ring extends into the bearing seat and is connected with the bearing seat in an interference fit manner.
Furthermore, a first threaded hole for fixing the first cushion block is formed in the throttle body, the two threaded holes are distributed on two opposite sides of the bearing seat, and a first through hole corresponding to the first threaded hole is formed in the first cushion block; the first cushion block is further provided with two threaded holes II, the two threaded holes II are distributed on the other two opposite sides of the bearing seat, the second cushion block is provided with through holes II corresponding to the two threaded holes II, and the positions of the two through holes II correspond to the positions of the mounting screw holes of the three-in-one sensor.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses trinity sensor seal structure of throttle valve, all sealing washer mounting grooves take shape on a part, do not need to constitute the sealed face of installation of sealing washer after the part assembly more than two or two, greatly reduced the assembly degree of difficulty of product, saved assembly man-hour, practiced thrift assembly cost. And the trinity sensor mounting part's quantity is less, and simple structure has reduced material cost, the manufacturing degree of difficulty and the assembly degree of difficulty.
2. The utility model discloses TPS among the trinity sensor uses hall formula, and the embedment of hall chip is inside the sensor, and the oil mist after the engine back flush can not cause the damage to the sensor, also can not have water or foreign matter to get into trinity sensor influence life-span and performance. So the sealing ring is not needed to be arranged between the three-in-one sensor and the main air channel of the body. The mounting structure of the sealing ring is reduced, the assembly difficulty is reduced, and the material cost is saved.
3. The utility model discloses select differently according to the material, the machine-shaping mode can be diversified (processing modes such as CNC, die-casting, moulding plastics), and especially the sealing washer mounting groove takes shape at a parts machining, and dimensional tolerance guarantees more easily, has saved the processing cost.
Drawings
FIG. 1 is a schematic view of a mounting and sealing structure of a three-in-one sensor of a throttle valve in the prior art;
FIG. 2 is a schematic view of a prior art throttle body and throttle sensor assembly;
FIG. 3 is a schematic view of the sectional structure of the installation and sealing structure of the three-in-one sensor for the throttle valve of the present invention;
FIG. 4 is a schematic cross-sectional structure view of the throttle body of the present invention;
FIG. 5 is a schematic view of a cross-sectional structure of the cushion block of the present invention;
FIG. 6 is a schematic view of the cross-sectional structure of the second cushion block of the present invention;
figure 7 is the utility model discloses trinity sensor housing structure sketch map.
In the figure, a throttle body 1, a three-in-one sensor 2, a main air passage 3, a throttle shaft 4, a shaft hole 5, a pressure sensing hole 6, a temperature probe mounting hole 7, a bearing seat 8, a first sealing ring mounting groove 9, a second sealing ring mounting groove 10, a third sealing ring mounting groove 11, a first sealing ring 12, a first cushion block 13, a shaft mounting through hole 14, a pressure sensing groove 15, a first temperature probe through hole 16, a fourth sealing ring mounting groove 17, a fifth sealing ring mounting groove 18, a sixth sealing ring mounting groove 19, a second sealing ring 20, a second cushion block 21, a center positioning hole 22, a pressure sensor sensing hole 23, a second temperature probe through hole 24, a seventh sealing ring mounting groove 25, an eighth sealing ring mounting groove 26, a ninth sealing ring mounting groove 27, a third sealing ring 28, 29, a convex ring 30, a positioning boss 31, a limiting boss 32, a rotor assembly limiting hole 33, a first threaded hole 34, a second threaded hole 35, a first through hole 36, a second through hole 37, a temperature sensor probe 38, a bearing 39 and a third threaded hole 40.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described with reference to specific examples, but the embodiments of the present invention are not limited thereto.
As shown in fig. 3-7, the utility model discloses a mounting and sealing structure of a three-in-one sensor for a throttle valve, which comprises a throttle valve body 1 and a three-in-one sensor 2; the throttle body 1 is provided with a main air passage 3 and a throttle shaft 4 which is vertical to the main air passage 3; one side of the throttle body 1 is provided with a shaft hole 5, a pressure sensing hole 6 and a temperature probe mounting hole 7, and the pressure sensing hole 6 and the temperature probe mounting hole 7 are communicated with the main air passage 3. The inner end of the throttle shaft 4 extends into the main air passage 3 through the shaft hole 5 and is connected with the throttle sheet; an annular bearing seat 8 is formed on the throttle body 1 outside the shaft hole 5, and a bearing 39 is provided between the throttle shaft 4 and the bearing seat 8. A first annular boss (not shown) is formed on the outer side of each of the pressure sensing hole 6 and the temperature probe mounting hole 7, the bearing seat 8 and the first annular boss are integrally formed, and the end faces of the bearing seat and the first annular boss are flush; on the bearing seat 8 and the two annular bosses I, a first sealing ring mounting groove 9, a second sealing ring mounting groove 10 and a third sealing ring mounting groove 11 which are wound around the shaft hole 5, the pressure sensing hole 6 and the temperature probe mounting hole 7 for a circle are respectively formed on the outer sides of the shaft hole 5, the pressure sensing hole 6 and the temperature probe mounting hole 7, a first sealing ring 12 is respectively mounted in the first sealing ring mounting groove 9, the second sealing ring mounting groove 10 and the third sealing ring mounting groove 11, and the first sealing ring 12 is protruded out of the first sealing ring mounting groove 9, the second sealing ring mounting groove 10 and the third sealing ring mounting groove 11; the adjacent sides of the first sealing ring mounting groove 9, the second sealing ring mounting groove 10 and the third sealing ring mounting groove 11 are communicated with each other, and correspondingly, the first three sealing rings 12 are connected and integrally formed.
A first cushion block 13 and a second cushion block 21 are sequentially arranged on the upper sides of the bearing seat 8 and the first annular boss, a shaft mounting through hole 14, a pressure sensing groove 15 and a first temperature probe through hole 16 are arranged on the first cushion block 13 and correspond to the shaft hole 5, the pressure sensing hole 6 and the temperature probe mounting hole 7, wherein the pressure sensing groove 15 is long-strip-shaped, and one end of the pressure sensing groove is communicated with the pressure sensing hole 6; the cross sectional area of the pressure sensing groove 15 is larger than that of the pressure sensing hole 6; the shaft mounting through hole 14 is coaxial with the shaft hole 5. On one side, away from the throttle body 1, of the first cushion block 13, a sealing ring mounting groove IV 17, a sealing ring mounting groove V18 and a sealing ring mounting groove VI 19 are respectively formed in the outer sides of the shaft mounting through hole 14, the pressure sensing groove 15 and the temperature probe through hole I16 in a circle, a sealing ring mounting groove IV 17, a sealing ring mounting groove IV 18 and a sealing ring mounting groove IV 19 are respectively mounted with a sealing ring II 20, and the sealing ring II 20 is protruded out of the sealing ring mounting groove IV 17, the sealing ring mounting groove IV 18 and the sealing ring mounting groove IV 19; the adjacent sides of the fourth sealing ring mounting groove 17, the fifth sealing ring mounting groove 18 and the sixth sealing ring mounting groove 19 are communicated with each other, and correspondingly, the second three sealing rings 20 are connected and integrally formed. And the lower end of the shaft mounting through hole 14 of the first cushion block 13 is provided with a connecting convex ring 30, and the connecting convex ring 30 extends into the bearing seat 8 and is connected with the bearing seat 8 in an interference fit manner.
A central positioning hole 22, a pressure sensor sensing hole 23 and a temperature probe through hole II 24 are formed in the second cushion block 21 and correspond to the shaft mounting through hole 14, the pressure sensing groove 15 and the temperature probe through hole I16; the outer sides of the central positioning hole 22, the pressure sensor sensing hole 23 and the temperature probe via hole two 24 are respectively provided with a sealing ring mounting groove seven 25, a sealing ring mounting groove eight 26 and a sealing ring mounting groove nine 27 which are wound around the central positioning hole 22, the pressure sensor sensing hole 23 and the temperature probe via hole two 24 by a circle, and the sealing ring mounting groove seven 25, the sealing ring mounting groove eight 26 and the sealing ring mounting groove nine 27 are respectively provided with a sealing ring three 28; the third sealing ring 28 protrudes out of the seventh sealing ring mounting groove 25, the eighth sealing ring mounting groove 26 and the ninth sealing ring mounting groove 27; and adjacent sides of the seven 25 sealing ring mounting grooves, the eight 26 sealing ring mounting grooves and the nine 27 sealing ring mounting grooves are communicated with each other, and correspondingly, the three sealing rings 28 are connected and integrally formed. The pressure sensor sensing hole 23 is communicated with the other end of the pressure sensing groove 15.
Laminating of trinity sensor 2 and two 21 upsides of cushion, trinity sensor 2 rotor subassembly 29 links to each other with throttle shaft 4's outer end after passing central locating hole 22, and in pressure-sensitive probe passed the pressure-sensitive cell 15 that stretches into behind the pressure-sensitive sensor response hole 23, temperature sensor probe 38 stretched into in the temperature probe mounting hole 7 after passing temperature probe via hole two 24 and temperature probe via hole 16. The middle part of trinity sensor 2 has location boss 31, and this location boss 31 stretches into in the central locating hole 22 of two 21 cushion blocks, and with two 21 interference fit of cushion blocks are in the same place. One side of the three-in-one sensor 2, which is attached to the second cushion block 21, is provided with a limiting boss 32, a limiting hole 33 is formed in the second cushion block 21 corresponding to the limiting boss 32, and the limiting boss 32 is inserted into the limiting hole 33 and is in clearance fit with the limiting hole 33; the height of the limiting boss 32 is greater than that of the positioning boss 31.
The throttle body 1 is provided with two first threaded holes 34 for fixing the first cushion block 13, the two first threaded holes 34 are distributed on two opposite sides of the bearing seat 8, and the first cushion block 13 is provided with a first through hole 36 corresponding to the first threaded holes 34; two threaded holes two 35 have still been seted up to cushion one 13, and two threaded holes two 35 distribute in 8 another relative both sides of bearing frame, and two through-holes two 37 that correspond with two threaded holes two 35 are seted up to cushion two 21, and two through-holes two 37's position is corresponding with three 40 positions of the installation screw hole of trinity sensor 2. Be convenient for like this to cushion 13, cushion two 21, trinity sensor 2 install fixedly, and more firm.
The utility model discloses throttle, all sealing washer mounting grooves take shape on a part, do not need to constitute the sealed face of installation of sealing washer after the part assembly more than two or two, greatly reduced the assembly degree of difficulty of product, saved assembly man-hour, practice thrift assembly cost. And the quantity of trinity sensor installation spare part is less, and simple structure has reduced material cost, manufacturing degree of difficulty and assembly degree of difficulty.
The utility model discloses TPS among the trinity sensor uses hall formula, and the embedment of hall chip is inside the sensor, and the oil mist after the engine back flush can not cause the damage to the sensor, also can not have water or foreign matter to get into trinity sensor influence life-span and performance. So the sealing ring is not needed to be arranged between the three-in-one sensor and the main air channel of the body. The mounting structure of the sealing ring is reduced, the assembly difficulty is reduced, and the material cost is saved.
The utility model discloses the selection of cushion one 13, two 21 materials of cushion can be diversified, but metal CNC machine-shaping, ADC12 or equivalent material die-casting take shape, plastic material injection moulding etc.. The machining and forming modes enable the tolerance, parallelism, flatness and roughness of the heights of the first cushion block 13 and the second cushion block 21 to be easily guaranteed, and the machining difficulty of any machining and forming mode is low.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that those modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all should be covered in the scope of the claims of the present invention.
Claims (10)
1. A mounting and sealing structure of a three-in-one sensor of a throttle valve comprises a throttle valve body and the three-in-one sensor; the throttle body is provided with a main air passage and a throttle shaft which is vertical to the main air passage; a shaft hole, a pressure sensing hole and a temperature probe mounting hole are formed in one side of the throttle body, and the inner end of the throttle shaft extends into the main air passage through the shaft hole and is connected with a throttle blade; the throttle valve is characterized in that an annular bearing seat is formed on the outer side of a shaft hole of a throttle valve body, an annular boss I is formed on the outer sides of a pressure sensing hole and a temperature probe mounting hole respectively, the bearing seat and the annular boss I are formed into a whole, and the end faces of the bearing seat and the annular boss I are flush; a first sealing ring is arranged on the bearing seat and the first annular bosses corresponding to the shaft hole, the pressure sensing hole and the temperature probe mounting hole respectively; a first cushion block and a second cushion block are sequentially arranged on the upper sides of the bearing seat and the first annular boss, and a shaft mounting through hole, a pressure sensing groove and a first temperature probe through hole are arranged on the first cushion block and correspond to the shaft hole, the pressure sensing hole and the temperature probe mounting hole; a sealing ring II is respectively arranged on one side, away from the throttle body, of the first cushion block, corresponding to the shaft mounting through hole, the pressure sensing groove and the temperature probe through hole I; a central positioning hole, a pressure sensor sensing hole and a temperature probe through hole II are arranged on the cushion block II corresponding to the shaft mounting through hole, the pressure sensing groove and the temperature probe through hole I; a third sealing ring is arranged on one side of the second cushion block, which is far away from the first cushion block, and corresponds to the central positioning hole, the pressure sensor sensing hole and the temperature probe through hole; laminating of three-in-one sensor and two upside of cushion, the outer end of three-in-one sensor rotor subassembly and throttle shaft links to each other, and the forced induction probe stretches into the forced induction inslot after passing the forced induction hole of pressure sensor, and the temperature sensor probe stretches into in the temperature probe mounting hole after passing temperature probe via hole two and temperature probe via hole one.
2. The mounting and sealing structure of a three-in-one sensor for a throttle valve according to claim 1, wherein a first sealing ring mounting groove, a second sealing ring mounting groove and a third sealing ring mounting groove are respectively formed on the bearing seat and the first annular boss around the shaft hole, the pressure sensing hole and the temperature probe mounting hole for one circle, and a first sealing ring is respectively mounted in the first sealing ring mounting groove, the second sealing ring mounting groove and the third sealing ring mounting groove;
a fourth sealing ring mounting groove, a fifth sealing ring mounting groove and a sixth sealing ring mounting groove are respectively formed in the outer sides of the first shaft mounting through hole, the first pressure sensing groove and the first temperature probe through hole, on the side of the first cushion block, away from the throttle body, and are respectively provided with a fourth sealing ring mounting groove, a fifth sealing ring mounting groove and a sixth sealing ring mounting groove, wherein the fourth sealing ring mounting groove, the fifth sealing ring mounting groove and the sixth sealing ring mounting groove are respectively provided with a second sealing ring;
and the second cushion block deviates from one side of the first cushion block, a seventh sealing ring mounting groove, an eighth sealing ring mounting groove and a ninth sealing ring mounting groove are respectively formed in the outer sides of the central positioning hole, the pressure sensor sensing hole and the temperature probe via hole II, and a third sealing ring is respectively arranged in the seventh sealing ring mounting groove, the eighth sealing ring mounting groove and the ninth sealing ring mounting groove.
3. The mounting and sealing structure of a three-in-one sensor for a throttle valve according to claim 2, wherein the adjacent sides of the first sealing ring mounting groove, the second sealing ring mounting groove and the third sealing ring mounting groove are communicated with each other, and correspondingly, the three first sealing rings are connected and integrally formed; the adjacent sides of the sealing ring mounting groove IV, the sealing ring mounting groove V and the sealing ring mounting groove VI are communicated with each other, and correspondingly, the three sealing rings are connected with each other and are integrally formed; and one sides of the seven sealing ring mounting grooves, the eight sealing ring mounting grooves and the nine adjacent sealing ring mounting grooves are communicated with each other, and correspondingly, the three sealing rings are three-phase connected and integrally formed.
4. The mounting and sealing structure of a three-in-one sensor for a throttle valve as claimed in claim 1, wherein the sensing hole of the pressure sensor is communicated with the other end of the pressure sensing groove.
5. The mounting and sealing structure of the three-in-one sensor for the throttle valve as claimed in claim 1, wherein a positioning boss is provided in the middle of the three-in-one sensor, and the positioning boss extends into the central positioning hole of the second cushion block and is in interference fit with the second cushion block.
6. The mounting and sealing structure of a three-in-one sensor for a throttle valve as claimed in claim 5, wherein a limit boss is provided on one side of the three-in-one sensor, which is attached to the second cushion block, and a limit hole is provided on the second cushion block corresponding to the limit boss, and the limit boss is inserted into the limit hole and is in clearance fit with the limit hole; the height of the limiting boss is greater than that of the positioning boss.
7. The mounting and sealing structure of the three-in-one sensor for the throttle valve as claimed in claim 1, wherein a bearing is provided between the throttle shaft and the bearing seat.
8. The mounting and sealing structure of the three-in-one sensor for the throttle valve as claimed in claim 1, wherein the cross-sectional area of the pressure sensing slot is larger than that of the pressure sensing hole; the shaft mounting through hole and the shaft hole are on the same axial line.
9. The mounting and sealing structure of the three-in-one sensor for the throttle valve as claimed in claim 1, wherein the lower end of the shaft mounting through hole of the first cushion block is provided with a connecting convex ring, and the connecting convex ring extends into the bearing seat and is connected with the bearing seat in an interference fit manner.
10. The mounting and sealing structure of the three-in-one sensor for the throttle valve as claimed in claim 1, wherein the throttle valve body is provided with a first threaded hole for fixing a first cushion block, the two threaded holes are distributed on two opposite sides of the bearing seat, and the first cushion block is provided with a first through hole corresponding to the first threaded hole; the first cushion block is further provided with two threaded holes II, the two threaded holes II are distributed on the other two opposite sides of the bearing seat, the second cushion block is provided with through holes II corresponding to the two threaded holes II, and the positions of the two through holes II correspond to the positions of the mounting screw holes of the three-in-one sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223390936.9U CN218816669U (en) | 2022-12-18 | 2022-12-18 | Installation seal structure of trinity sensor of throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223390936.9U CN218816669U (en) | 2022-12-18 | 2022-12-18 | Installation seal structure of trinity sensor of throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218816669U true CN218816669U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223390936.9U Active CN218816669U (en) | 2022-12-18 | 2022-12-18 | Installation seal structure of trinity sensor of throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218816669U (en) |
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2022
- 2022-12-18 CN CN202223390936.9U patent/CN218816669U/en active Active
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