CN212145785U - Couple seat surface repairing device - Google Patents
Couple seat surface repairing device Download PDFInfo
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- CN212145785U CN212145785U CN202020890624.6U CN202020890624U CN212145785U CN 212145785 U CN212145785 U CN 212145785U CN 202020890624 U CN202020890624 U CN 202020890624U CN 212145785 U CN212145785 U CN 212145785U
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Abstract
The utility model provides a couple seat surface repairing device, which structurally comprises a motor (1), a transmission shaft (8), a rubber pad (10), a spring protective cap (12), a spring (14) and a spring fixing shaft (15); the motor (1) is connected with one end of the transmission shaft (8), the other end of the transmission shaft (8) is provided with a rubber pad (10), one end of the spring (14) is fixed on the spring fixing shaft (15), the other end of the spring (14) is provided with a spring protective cap (12), a valve core (18) and a valve seat (19) are placed between the rubber pad (10) and the spring protective cap (12), the rubber pad (10) is opposite to the valve core (18), and the spring protective cap (12) is opposite to the valve seat (19). The utility model discloses can realize repairing the fish tail that causes when case seat face and disk seat face matching of parts.
Description
Technical Field
The utility model relates to a couple seat face prosthetic devices belongs to couple seat face and restores technical field.
Background
The valve core and the valve seat are important parts on a fuel injector valve component in a fuel system of a gas turbine, the valve core and the valve seat are usually used in a matching way, and when an actual matching part is matched, the guide of the valve core and the valve seat is the guide of the valve core and the valve seat, namely the guide excircle of the valve core and the guide hole of the valve seat; the valve core and the valve seat are a pair of coupling parts, the valve core is inserted into a valve seat hole, the excircle of the valve core is tightly attached to the inner hole wall of the valve seat, the valve core and the valve seat are matched to have good sliding performance on the premise of ensuring a 0.003mm fit clearance, and the seat surface of the valve core and the seat surface of the valve seat are required to be kept sealed under 160 MPa pressure without leakage to form a sealing seat surface of the fuel injector valve assembly.
However, in practical use, when the valve core and the valve seat are mutually matched for use, scratch is inevitably caused when the valve core seat surface and the valve seat surface matching piece are matched, and after the scratch is generated on the valve core seat surface and the valve seat surface, the sealing effect is difficult to generate when the valve core seat surface and the valve seat surface matching piece are mutually extruded, and leakage is easy to generate; therefore, it is desirable to repair seat surface scratches caused by mating of the valve element seat surface and the valve seat surface mating member on the seal seat surface of the fuel injector valve assembly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a couple seat face prosthetic devices, how prosthetic problem is carried out to the fish tail that causes when its purpose aims at solving the cooperation of sprayer valve module upper valve core seat face and disk seat face couple.
The technical solution of the utility model is as follows: a couple seat surface repairing device structurally comprises a motor 1, a transmission shaft 8, a rubber pad 10, a spring protective cap 12, a spring 14 and a spring fixing shaft 15; the motor 1 is connected with one end of a transmission shaft 8, a rubber pad 10 is arranged at the other end of the transmission shaft 8, one end of a spring 14 is fixed on a spring fixing shaft 15, a spring protection cap 12 is arranged at the other end of the spring 14, a valve core 18 and a valve seat 19 are placed between the rubber pad 10 and the spring protection cap 12, the rubber pad 10 is opposite to the valve core 18, and the spring protection cap 12 is opposite to the valve seat 19.
The utility model has the advantages that:
1) the scratch caused by matching of the valve core seat surface and the valve seat surface matching piece can be repaired;
2) the utility model has simple structure, convenient operation and low manufacturing cost;
3) furthermore, the technical difficulty that ideal concentricity cannot be completely realized by connecting the valve core and the valve seat through 'hard' is overcome through the rubber pad friction force flexible transmission;
4) the ideal repairing degree of the valve core seat surface and the valve seat surface can reach 100 percent.
Drawings
Fig. 1 is a schematic structural view of the valve core and the valve seat which are matched with each other.
Fig. 2 is a schematic diagram of an exploded structure when the valve core and the valve seat are matched with each other.
Fig. 3 is a schematic diagram of the explosion structure of the present invention.
Fig. 4 is a schematic structural diagram of the present invention.
In the drawing, 1 is a motor, 2 is an L plate, 3 is a first screw, 4 is an M4 round head cross screw, 5 is a transmission shaft sleeve, 6 is a positioning pin fixing plate, 7 is a second screw, 8 is a transmission shaft, 9 is a positioning pin, 10 is a rubber pad, 11 is an oil injector valve assembly, 12 is a spring protection cap, 13 is a deflector rod, 14 is a spring, 15 is a spring fixing shaft, 16 is a spring assembly fixing plate, 17 is a third screw, 18 is a valve core, 19 is a valve seat, 20 is a valve core seat surface, and 21 is a valve seat surface.
Detailed Description
Referring to the attached figures 1-4, the couple seat surface repairing device structurally comprises a motor 1, a transmission shaft 8, a rubber pad 10, a spring protection cap 12, a spring 14 and a spring fixing shaft 15; the motor 1 is connected with one end of a transmission shaft 8, a rubber pad 10 is arranged at the other end of the transmission shaft 8, one end of a spring 14 is fixed on a spring fixing shaft 15, a spring protection cap 12 is arranged at the other end of the spring 14, a valve core 18 and a valve seat 19 are placed between the rubber pad 10 and the spring protection cap 12, the rubber pad 10 is opposite to the valve core 18, and the spring protection cap 12 is opposite to the valve seat 19.
The couple seat surface repairing device structurally further comprises an L plate 2, a transmission shaft sleeve 5, a positioning pin fixing plate 6, a positioning pin 9 and a spring assembly fixing plate 16; wherein, the L plate 2 comprises a vertical part and a horizontal part, one end of the horizontal part of the L plate 2 is connected with the lower end of the vertical part of the L plate 2, the upper surface of the horizontal part of the L plate 2 is fixedly provided with a positioning pin fixing plate 6 and a spring component fixing plate 16, the vertical part of the L plate 2, the positioning pin fixing plate 6 and the spring component fixing plate 16 are parallel to each other, the positioning pin fixing plate 6 is positioned between the vertical part of the L plate 2 and the spring component fixing plate 16, the side surface of the vertical part of the L plate 2 facing the positioning pin fixing plate 6 is fixedly provided with a transmission shaft sleeve 5, the motor 1 is fixed on the side surface of the vertical part of the L plate 2, the motor 1 and the transmission shaft sleeve 5 are respectively positioned at two sides of the vertical part of the L plate 2, the transmission shaft sleeve 5, the rubber pad 10, the spring protective cap 12, the spring 14 and the spring fixing shaft 15 are positioned between the positioning pin fixing plate 6 and the spring assembly fixing plate 16; one side of the positioning pin fixing plate 6 facing the spring assembly fixing plate 16 is provided with a positioning pin hole, a positioning pin 9 is arranged in the positioning pin hole, one end of the positioning pin 9 is inserted into the positioning pin hole, the other end of the positioning pin 9 is used for connecting and fixing a valve seat 19 on the fuel injector valve assembly 11, and the positioning pin 9 is preferably located below the transmission shaft 8 and the rubber pad 10.
A motor shaft of the motor 1 penetrates through the vertical part of the L plate 2 and then is inserted into one end of the transmission shaft sleeve 5 and is connected with the transmission shaft sleeve 5, one end of the transmission shaft 8 penetrates through the positioning pin fixing plate 6 and then is inserted into the other end of the transmission shaft sleeve 5 and is connected with the transmission shaft sleeve 5, and the spring fixing shaft 15 is fixed on the spring assembly fixing plate 16.
The motor 1 is fixed on the side surface of the vertical part of the L-shaped plate 2 through four first screws 3; a motor shaft of the motor 1 penetrates through the vertical part of the L plate 2 and then is inserted into one end of the transmission shaft sleeve 5 and is connected with the transmission shaft sleeve 5 through a plurality of M4 round-head cross screws 4, one end of the transmission shaft 8 penetrates through the positioning pin fixing plate 6 and then is inserted into the other end of the transmission shaft sleeve 5 and is connected with the other end of the transmission shaft sleeve 5 through a plurality of M4 round-head cross screws 4; the positioning pin fixing plate 6 is fixed on the upper surface of the horizontal part of the L plate 2 through a plurality of second screws 7; the spring assembly fixing plate 16 is fixed to the upper surface of the horizontal portion of the L-plate 2 by a plurality of third screws 17.
The motor shaft, the transmission shaft 8 and the spring fixing shaft 15 of the motor 1 are positioned on the same axis.
The motor 1 is preferably a low speed synchronous ac motor.
The first screw 3 is preferably an M5 socket head cap screw, and the second screw 7 and the third screw 17 are each preferably an M5 socket head cap screw.
The spring cap 12 is preferably connected to the spring 14 through a shift rod 13, and the shift rod 13 is vertically inserted into a side wall of the spring cap 12 and connected to the spring 14.
The positions of the positioning pin fixing plate 6 and the spring assembly fixing plate 16 fixed on the upper surface of the horizontal part of the L plate 2 can be adjusted along the length direction of the horizontal part of the L plate 2; the fuel injector valve component 11 to be repaired is suitable for installation, taking, placing and clamping.
When the oil injector valve assembly works, a valve core 18 and a valve seat 19 on an oil injector valve assembly 11 to be repaired are placed between a rubber pad 10 and a spring protection cap 12, one side of the valve seat 19 is connected through a positioning pin 9, the other side of the valve seat 19 is tightly attached to the spring protection cap 12 on a spring 14, the valve seat 19 is installed and positioned through the spring 14, a positioning pin hole and the positioning pin 9, reasonable axial pressure is provided for the valve seat 19 through the spring 14, the valve core 18 is in a free state in the radial direction, and the valve core 18 and the valve seat 19 are freely combined without interference; the valve core 18 is guided in a sliding way in a guide hole of the valve seat 19 through a guide excircle of the valve core 18, the coaxiality of a valve core seat surface 20 and a valve seat surface 21 and a matching guide cylindrical surface of a matching part is ensured, and the sealing performance after repair is ensured; the valve core 18 is tightly attached to the rubber pad 10, and the valve core seat surface 20 is tightly attached to the valve seat surface 21; when the motor 1 is started and the motor 1 rotates, a motor shaft of the motor 1 drives the rubber pad 10 through transmission of the transmission shaft 8, the rubber pad 10 further drives the valve core 18 to rotate relative to the valve seat 19 through friction, so that the valve core seat surface 20 and the valve seat surface 21 rotate relative to each other, because the rubber pad 10 and the spring 14 respectively provide certain pressure for the valve core 18 and the valve seat 19, and the valve seat 19 is limited by the positioning pin 9 and cannot rotate, when the valve core 18 rotates relative to the valve seat 19, the valve core seat surface 20 and the valve seat surface 21 rotate relatively to extrude and generate friction, mutual repair between matched seat surfaces is completed through grinding between the valve core seat surface 20 and the valve seat surface 21, and scratch caused by matching.
The utility model has simple structure, convenient operation and low manufacturing cost, and further overcomes the technical difficulty that the hard connection of the valve core and the valve seat can not completely realize ideal concentricity through the flexible transmission of the friction force of the rubber pad; because the hard connection means that the radial position of the valve seat is relatively fixed, the radial position of the valve core is relatively fixed, the seat surface of the valve core and the seat surface of the valve seat are moved axially, combined with rotation and mutual grinding, the valve core and the valve seat are actually two rotation centers, the two rotation centers are completely overlapped, ideal concentricity is realized, the hard connection cannot be realized actually, the soft connection means that the radial position of the valve seat is relatively fixed, the valve core is in a free state, the valve core is naturally aligned under the guide action of the excircle guide of the valve core and the seat surface of the valve seat, and the valve; the utility model discloses the ideal degree is restoreed to the couple seat face 100%, can realize restoreing the fish tail that causes when the upper valve core seat face of sprayer valve module and disk seat face couple cooperate.
Claims (8)
1. A couple seat surface repairing device is characterized by comprising a motor (1), a transmission shaft (8), a rubber pad (10), a spring protective cap (12), a spring (14) and a spring fixing shaft (15); the motor (1) is connected with one end of the transmission shaft (8), the other end of the transmission shaft (8) is provided with a rubber pad (10), one end of the spring (14) is fixed on the spring fixing shaft (15), the other end of the spring (14) is provided with a spring protective cap (12), a valve core (18) and a valve seat (19) are placed between the rubber pad (10) and the spring protective cap (12), the rubber pad (10) is opposite to the valve core (18), and the spring protective cap (12) is opposite to the valve seat (19).
2. The couple seat surface repairing device as claimed in claim 1, further comprising an L plate (2), a driving shaft sleeve (5), a positioning pin fixing plate (6), a positioning pin (9), a spring assembly fixing plate (16); wherein, the L plate (2) comprises a vertical part and a horizontal part, one end of the horizontal part of the L plate (2) is connected with the lower end of the vertical part of the L plate (2), the upper surface of the horizontal part of the L plate (2) is fixed with a positioning pin fixing plate (6) and a spring assembly fixing plate (16), the vertical part of the L plate (2), the positioning pin fixing plate (6) and the spring assembly fixing plate (16) are parallel to each other, the positioning pin fixing plate (6) is positioned between the vertical part of the L plate (2) and the spring assembly fixing plate (16), a transmission shaft sleeve (5) is fixed on the side surface of the vertical part of the L plate (2) facing the positioning pin fixing plate (6) of the vertical part of the L plate (2), the motor (1) is fixed on the side surface of the vertical part of the L plate (2), the motor (1) and the transmission shaft sleeve (5) are respectively positioned at two sides of the vertical part of the L plate (, the transmission shaft (8), the positioning pin (9), the rubber pad (10), the spring protective cap (12), the spring (14) and the spring fixing shaft (15) are positioned between the positioning pin fixing plate (6) and the spring assembly fixing plate (16); one side of the positioning pin fixing plate (6) facing the spring assembly fixing plate (16) is provided with a positioning pin hole, a positioning pin (9) is arranged in the positioning pin hole, one end of the positioning pin (9) is inserted into the positioning pin hole, the other end of the positioning pin (9) is used for connecting a valve seat (19) on the fixed fuel injector valve assembly (11), and the positioning pin (9) is located below the transmission shaft (8) and the rubber pad (10).
3. The couple seat surface repairing device as claimed in claim 2, wherein a motor shaft of the motor (1) passes through the vertical portion of the L-shaped plate (2) and then is inserted into one end of the driving shaft sleeve (5) and connected with the driving shaft sleeve (5), one end of the driving shaft (8) passes through the positioning pin fixing plate (6) and then is inserted into the other end of the driving shaft sleeve (5) and connected with the driving shaft sleeve (5), and the spring fixing shaft (15) is fixed on the spring assembly fixing plate (16).
4. The couple seat surface repairing device as claimed in claim 2, wherein said motor (1) is fixed on the side of the vertical portion of the L-plate (2) by four first screws (3); a motor shaft of the motor (1) penetrates through the vertical part of the L plate (2) and then is inserted into one end of the transmission shaft sleeve (5) and is connected with the transmission shaft sleeve (5) through a plurality of M4 round-head cross screws (4), one end of the transmission shaft (8) penetrates through the positioning pin fixing plate (6) and then is inserted into the other end of the transmission shaft sleeve (5) and is connected with the other end of the transmission shaft sleeve (5) through a plurality of M4 round-head cross screws (4); the positioning pin fixing plate (6) is fixed on the upper surface of the horizontal part of the L-shaped plate (2) through a plurality of second screws (7); the spring component fixing plate (16) is fixed on the upper surface of the horizontal part of the L-shaped plate (2) through a plurality of third screws (17).
5. A mating seat surface repairing device according to any one of claims 1-4, wherein said spring cap (12) is connected to the spring (14) through a driving lever (13), the driving lever (13) is vertically inserted into the side wall of the spring cap (12) to be connected to the spring (14).
6. A couple seat surface repairing device according to any one of claims 1-4, characterized in that the motor shaft, the transmission shaft (8) and the spring fixing shaft (15) of said motor (1) are on the same axial line.
7. A mating seat facing repair device according to any one of claims 1 to 4, characterised in that said electric motor (1) is a low speed synchronous AC motor.
8. The couple seat face repair device according to claim 4, wherein said first screw (3) is an M5 socket head cap screw, and said second screw (7) and said third screw (17) are both M5 socket head cap screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020890624.6U CN212145785U (en) | 2020-05-25 | 2020-05-25 | Couple seat surface repairing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020890624.6U CN212145785U (en) | 2020-05-25 | 2020-05-25 | Couple seat surface repairing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212145785U true CN212145785U (en) | 2020-12-15 |
Family
ID=73706301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020890624.6U Active CN212145785U (en) | 2020-05-25 | 2020-05-25 | Couple seat surface repairing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212145785U (en) |
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2020
- 2020-05-25 CN CN202020890624.6U patent/CN212145785U/en active Active
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