CN214118620U - Amplifier for electro-hydraulic servo main pressure valve - Google Patents
Amplifier for electro-hydraulic servo main pressure valve Download PDFInfo
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- CN214118620U CN214118620U CN202023310833.8U CN202023310833U CN214118620U CN 214118620 U CN214118620 U CN 214118620U CN 202023310833 U CN202023310833 U CN 202023310833U CN 214118620 U CN214118620 U CN 214118620U
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- box body
- groove
- pull rod
- fixedly connected
- spring
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Abstract
The utility model discloses an amplifier for an electro-hydraulic servo main pressure valve, which comprises a box body; one side of box body is equipped with the side cap, one side fixed mounting that the surface of side cap is close to the box body has the circuit board, the inside one end top and the bottom symmetry fixedly connected with fixed block that is close to the side cap of box body, the cavity has been seted up to the inside of fixed block, sliding connection has the pull rod to run through the surface of fixed block. The utility model has the advantages of simple integral structure, convenience safe in utilization, thereby the pulling pull ring can shift out the pull rod in the draw-in groove, then pull the side cap again and can shift out the box body with whole circuit board, and easy operation has made things convenient for maintenance personal greatly, during the installation, the pull rod gets into in the draw-in groove automatically under the effect of first spring, thereby fix the side cap, third spring and splint can press from both sides tightly and the shock attenuation to the circuit board, thereby the life of extension amplifier, radiator fan can accelerate the heat discharge in the box body, thereby greatly increased the radiating effect.
Description
Technical Field
The utility model relates to an amplifier for servo main pressure valve of electricity liquid belongs to servo valve amplifier technical field.
Background
The servo valve amplifier is a control device which acts on a servo valve, compares, amplifies and operates an input voltage with a system feedback voltage, and outputs a control current which is proportional to a deviation voltage signal to a servo valve torque motor control coil to control the opening of a valve core of the servo valve.
But carry out fixed mounting through the screw mostly between electro-hydraulic servo valve on the existing market's the amplifier shell and the control circuit board, damage when needing to maintain at the amplifier, need maintenance personal to dismantle every screw and just can dismantle control circuit get off, the operation is complicated, greatly increased maintenance personal's work burden to be not convenient for dispel the heat and remove dust.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an amplifier for servo main pressure valve of electricity liquid to the defect that prior art exists.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: an amplifier for an electro-hydraulic servo main pressure valve comprises a box body;
one side of the box body is provided with a side cover, one side of the outer surface of the side cover close to the box body is fixedly provided with a circuit board, the top and the bottom of one end of the inner part of the box body close to the side of the box body are symmetrically and fixedly connected with fixed blocks, a cavity is arranged in each fixed block, the outer surface of each fixed block is connected with a pull rod in a penetrating and sliding manner, one section of outer surface of the pull rod in the cavity is sleeved with a limit sliding plate which is fixedly connected with a limit sliding plate, the limit sliding plate is connected with the inner part of the cavity in a sliding manner, one section of outer surface of the pull rod in the cavity is sleeved with a first spring, two ends of the first spring are respectively contacted with the limit sliding plate and the inner part of the cavity, one side of the outer surface of the side cover and the position close to the fixed block are fixedly connected with an installation block, one side of the outer surface of the installation block and the side close to the fixed block are provided with a clamping groove, one end of the pull rod penetrates through the fixed block and extends to the inside of the clamping groove, the outer surface of the box body is provided with a containing groove at a position close to the pull rod, one end of the pull rod penetrates through the box body and extends into the containing groove, the outer surface of one end of the pull rod, which is positioned in the containing groove, is rotatably connected with a pull ring, the inner wall of the containing groove is provided with a first groove, the inner part of the first groove is fixedly connected with a second spring, the other end of the second spring is fixedly connected with a clamping block, the outer surface of the pull ring is provided with a fixing groove corresponding to the clamping block, the top and the bottom of the inner part of the box body are symmetrically and fixedly connected with limiting blocks, one side, opposite to the outer surfaces of the two limiting blocks, is provided with a sliding groove, the inner part of the sliding groove is fixedly connected with a plurality of third springs, the other end of each third spring is fixedly connected with a clamping plate, the two ends of the circuit board and the clamping plates are both connected with the inner part of the sliding groove, one side, far away from the side cover, of the outer surface of the box body penetrates through a fixedly connected with a radiating pipe, the inside fixed mounting of cooling tube has radiator fan, the cooling tube is located the inside sleeve pipe that is equipped with of the outside one end of box body, the inside embedding of sheathed tube has the dust screen.
Furthermore, two the installation piece is laminated with corresponding fixed block respectively mutually, the pull rod is located the inside bottom surface of draw-in groove and is close to one side shape of side cap for the arc.
Furthermore, the base is fixedly connected with the supporting block, one end of the clamping block, which is close to the pull ring, is semicircular, and the shape of the fixing groove is also semicircular.
Furthermore, the outer surface of one end of each of the two clamping plates, which is opposite to the side cover, is arc-shaped.
Further, the sleeve is connected with the inner wall of the radiating pipe through threads.
Furthermore, a second groove is formed in one side of the inside of the sliding groove, a fourth spring is fixedly connected to the inside of the second groove, and an ejector block is fixedly connected to the other end of the fourth spring.
The utility model has the advantages that: the utility model discloses when needs are dismantled the maintenance, thereby only need the pulling pull ring can shift out in the draw-in groove with the pull rod, then pull the side cap again and can shift out the box body with whole circuit board, easy operation, third spring and splint can press from both sides tightly and the shock attenuation to the circuit board to the life of extension amplifier, and increased the radiating effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged view of fig. 1 at a according to the present invention;
fig. 3 is an enlarged view of the position B of fig. 1 according to the present invention.
Illustration of the drawings:
1. a box body; 2. a side cover; 3. a circuit board; 4. a fixed block; 5. a cavity; 6. a pull rod; 7. a limiting sliding plate; 8. a first spring; 9. mounting blocks; 10. a card slot; 11. a receiving groove; 12. a pull ring; 13. a first groove; 14. a second spring; 15. a clamping block; 16. fixing grooves; 17. a limiting block; 18. a chute; 19. a third spring; 20. a splint; 21. a radiating pipe; 22. a heat radiation fan; 23. a sleeve; 24. a dust screen; 25. a second groove; 26. a fourth spring; 27. and (7) a top block.
Detailed Description
Fig. 1 to 3 show an amplifier for an electro-hydraulic servo main pressure valve, which comprises a box body 1; one side of the box body 1 is provided with a side cover 2, one side of the outer surface of the side cover 2 close to the box body 1 is fixedly provided with a circuit board 3, one end top and the bottom of the inner part of the box body 1 close to the side cover 2 are symmetrically and fixedly connected with fixed blocks 4, the inner part of the fixed blocks 4 is provided with a cavity 5, the outer surface of the fixed blocks 4 is connected with a pull rod 6 in a penetrating and sliding manner, one section of the outer surface of the pull rod 6 in the cavity 5 is sleeved with a limit sliding plate 7 which is fixedly connected with a limit sliding plate 7, the limit sliding plate 7 is connected with the inner part of the cavity 5 in a sliding manner, one section of the outer surface of the pull rod 6 in the cavity 5 is sleeved with a first spring 8, two ends of the first spring 8 are respectively contacted with the limit sliding plate 7 and the inner part of the cavity 5, one side of the outer surface of the side cover 2 close to the fixed block 4 is fixedly connected with a mounting block 9, one side of the outer surface of the mounting block 9 close to the fixed block 4 is provided with a clamping groove 10, one end of the pull rod 6 penetrates through the fixing block 4 and extends into the clamping groove 10, a containing groove 11 is formed in the position, close to the pull rod 6, of the outer surface of the box body 1, one end of the pull rod 6 penetrates through the box body 1 and extends into the containing groove 11, a pull ring 12 is rotatably connected to the outer surface of the end, located inside the containing groove 11, of the pull rod 6, a first groove 13 is formed in the inner wall of the containing groove 11, a second spring 14 is fixedly connected to the inside of the first groove 13, a clamping block 15 is fixedly connected to the other end of the second spring 14, a fixing groove 16 corresponding to the clamping block 15 is formed in the outer surface of the pull ring 12, limiting blocks 17 are symmetrically and fixedly connected to the top and the bottom inside of the box body 1, sliding grooves 18 are formed in the opposite sides of the outer surfaces of the two limiting blocks 17, and a plurality of third springs, third spring 19's other end fixedly connected with splint 20, the both ends of circuit board 3 and splint 20 all with the inside sliding connection of spout 18, fixedly connected with cooling tube 21 is run through to one side of the surface of box body 1 and keeping away from side cap 2, the inside fixed mounting of cooling tube 21 has radiator fan 22, cooling tube 21 is located the inside sleeve pipe 23 that is equipped with of the outside one end of box body 1, dust screen 24 is installed in the inside embedding of sleeve pipe 23.
When in use, when in disassembly and maintenance, the pull rod 6 can be moved out of the clamping groove 10 by pulling the pull ring 12, then the whole circuit board 3 can be moved out of the box body 1 by pulling the side cover 2, the operation is simple, great convenience is brought to maintenance personnel, the circuit board 3 can be installed into the sliding groove 18 of the limiting block 17 in the box body 1 when in installation, the pull rod 6 automatically enters the clamping groove 10 under the action of the first spring 8, thereby the side cover 2 is fixed, the pull ring 12 is convenient to be accommodated through the arranged accommodating groove 11, the surface of the box body 1 is kept flat, the arranged third spring 19 and the clamping plate 20 can clamp and absorb the circuit board 3, thereby the service life of the amplifier is prolonged, the heat dissipation fan 22 can accelerate the heat discharge in the box body 1, thereby the heat dissipation effect is greatly increased, when dust needs to be cleaned, the sleeve 23 can be disassembled by only rotating the sleeve 23, then the dust on the dust screen 24 is removed, and the operation is simple.
In the further scheme, two installation piece 9 is laminated with corresponding fixed block 4 mutually respectively, the one side shape that pull rod 6 is located the inside bottom surface of draw-in groove 10 and is close to side cap 2 is the arc, and the laminating is in order to guarantee the stability of side cap 2 mutually, and the arc is in order to facilitate installation piece 9 extrusion pull rod 6.
In a further scheme, the shape of one end of the fixture block 15 close to the pull ring 12 is semicircular, and the shape of the fixing groove 16 is also semicircular, so that one end of the fixture block 15 can smoothly enter and exit the fixing groove 16, and the fixing and the use of the pull ring 12 are facilitated.
In a further scheme, the outer surface of one end of each of the two clamping plates 20, which is opposite to the side cover 2, is arc-shaped, so that the circuit board 3 can enter between the two clamping plates 20.
In a further aspect, the sleeve 23 is threadedly coupled to the inner wall of the radiating pipe 21 to facilitate the removal and installation of the sleeve 23.
In a further aspect, a second groove 25 is formed in one side of the inside of the sliding groove 18, a fourth spring 26 is fixedly connected to the inside of the second groove 25, and a top block 27 is fixedly connected to the other end of the fourth spring 26, so that the side end of the circuit board 3 is conveniently fixed, and the stability of the circuit board 3 is improved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. An amplifier for an electro-hydraulic servo main pressure valve comprises a box body; it is characterized in that the preparation method is characterized in that,
one side of the box body is provided with a side cover, one side of the outer surface of the side cover close to the box body is fixedly provided with a circuit board, the top and the bottom of one end of the inner part of the box body close to the side of the box body are symmetrically and fixedly connected with fixed blocks, a cavity is arranged in each fixed block, the outer surface of each fixed block is connected with a pull rod in a penetrating and sliding manner, one section of outer surface of the pull rod in the cavity is sleeved with a limit sliding plate which is fixedly connected with a limit sliding plate, the limit sliding plate is connected with the inner part of the cavity in a sliding manner, one section of outer surface of the pull rod in the cavity is sleeved with a first spring, two ends of the first spring are respectively contacted with the limit sliding plate and the inner part of the cavity, one side of the outer surface of the side cover and the position close to the fixed block are fixedly connected with an installation block, one side of the outer surface of the installation block and the side close to the fixed block are provided with a clamping groove, one end of the pull rod penetrates through the fixed block and extends to the inside of the clamping groove, the outer surface of the box body is provided with a containing groove at a position close to the pull rod, one end of the pull rod penetrates through the box body and extends into the containing groove, the outer surface of one end of the pull rod, which is positioned in the containing groove, is rotatably connected with a pull ring, the inner wall of the containing groove is provided with a first groove, the inner part of the first groove is fixedly connected with a second spring, the other end of the second spring is fixedly connected with a clamping block, the outer surface of the pull ring is provided with a fixing groove corresponding to the clamping block, the top and the bottom of the inner part of the box body are symmetrically and fixedly connected with limiting blocks, one side, opposite to the outer surfaces of the two limiting blocks, is provided with a sliding groove, the inner part of the sliding groove is fixedly connected with a plurality of third springs, the other end of each third spring is fixedly connected with a clamping plate, the two ends of the circuit board and the clamping plates are both connected with the inner part of the sliding groove, one side, far away from the side cover, of the outer surface of the box body penetrates through a fixedly connected with a radiating pipe, the inside fixed mounting of cooling tube has radiator fan, the cooling tube is located the inside sleeve pipe that is equipped with of the outside one end of box body, the inside embedding of sheathed tube has the dust screen.
2. The amplifier of claim 1, wherein the two mounting blocks are respectively attached to corresponding fixing blocks, and the pull rod is located on the outer surface of the bottom end inside the clamping groove and on one side of the pull rod close to the side cover, and the pull rod is arc-shaped.
3. The amplifier as defined in claim 1 wherein said latch has a semi-circular shape at an end thereof adjacent said pull ring and said retaining groove has a semi-circular shape.
4. The amplifier of claim 1, wherein the side of the outer surface of the opposite end of each of said clamping plates adjacent to the side cover is arcuate.
5. The amplifier of claim 1, wherein the sleeve is threadedly coupled to the inner wall of the radiating pipe.
6. The amplifier of claim 1, wherein a second groove is formed in one side of the inside of the sliding groove, a fourth spring is fixedly connected to the inside of the second groove, and a top block is fixedly connected to the other end of the fourth spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023310833.8U CN214118620U (en) | 2020-12-30 | 2020-12-30 | Amplifier for electro-hydraulic servo main pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023310833.8U CN214118620U (en) | 2020-12-30 | 2020-12-30 | Amplifier for electro-hydraulic servo main pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214118620U true CN214118620U (en) | 2021-09-03 |
Family
ID=77486834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023310833.8U Active CN214118620U (en) | 2020-12-30 | 2020-12-30 | Amplifier for electro-hydraulic servo main pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214118620U (en) |
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2020
- 2020-12-30 CN CN202023310833.8U patent/CN214118620U/en active Active
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