CN217143787U - Nondestructive dismounting device for valve seat of hydraulic solenoid valve - Google Patents
Nondestructive dismounting device for valve seat of hydraulic solenoid valve Download PDFInfo
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- CN217143787U CN217143787U CN202123264575.9U CN202123264575U CN217143787U CN 217143787 U CN217143787 U CN 217143787U CN 202123264575 U CN202123264575 U CN 202123264575U CN 217143787 U CN217143787 U CN 217143787U
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- limiting
- valve seat
- clamping jaw
- dismounting device
- fixed sleeve
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Abstract
A hydraulic solenoid valve seat nondestructive dismounting device comprises a jaw assembly, a supporting plate and a fixing sleeve; the clamping jaw assembly is provided with a screw, a clamping jaw seat, clamping jaws and a butterfly nut, the clamping jaw seat is positioned at the lower end of the screw, four groups of clamping jaws are arranged on the bottom surface of the clamping jaw seat, the width of a clamping hook of each clamping jaw is smaller than that of a cross-shaped groove on a circular boss of the valve seat, the butterfly nut is sleeved on the screw to form a screw nut transmission mechanism, and the screw can be driven to move up and down by rotating the butterfly nut; the outer wall of the fixed sleeve is provided with external threads, the fixed sleeve is screwed on the inner wall of the cavity of the valve body through the external threads, and the supporting plate is assembled on the fixed sleeve; the support plate is provided with a center hole, the clamping jaw assembly penetrates through the center hole of the support plate and extends into the hydraulic electromagnetic valve body, and the butterfly nut of the clamping jaw assembly is located on the support plate. The utility model discloses a not damaged of valve seat and valve body is disassembled, has reached the purpose that reduces cost of maintenance, improves work efficiency.
Description
Technical Field
The utility model relates to a hydraulic valve dismounting device, especially a dismantle the device of taking out with hydraulic solenoid valve's valve seat not damaged ground from the valve body.
Background
As shown in attached figures 1 and 2, a valve seat 2 of the hydraulic electromagnetic valve applied to an aircraft hydraulic control system is arranged at the bottom of a valve body 1 in an interference fit mode, a circular boss 2-1 is arranged at the top of the valve seat, the circular boss 2-1 is divided into four parts through a cross-shaped groove 2-2, and internal threads 1-1 are arranged on the inner wall of the valve body 1 of the hydraulic electromagnetic valve.
When above-mentioned hydraulic pressure solenoid valve overhauls, need dismantle valve seat 2 from valve body 1, if adopt the mode that ordinary instrument is direct with valve seat 2 takes out, not only can cause the damage to valve seat and valve body, the operation degree of difficulty is big moreover, consume for a long time, has directly influenced maintenance work efficiency and cost of overhaul.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydraulic pressure solenoid valve seat not damaged dismounting device to solve the problem that consumes time that direct dismantlement mode exists long, the work piece is fragile, reach the purpose that reduces hydraulic pressure solenoid valve cost of maintenance, improve work efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hydraulic solenoid valve seat nondestructive dismounting device comprises a jaw assembly, a supporting plate and a fixing sleeve; the clamping jaw assembly is provided with a screw, a clamping jaw seat, clamping jaws and a butterfly nut, the clamping jaw seat is positioned at the lower end of the screw, four groups of clamping jaws which are uniformly distributed along the circumferential direction are arranged on the bottom surface of the clamping jaw seat, the width of each clamping jaw is smaller than that of a cross-shaped groove on a circular boss of the valve seat, the butterfly nut is sleeved on the screw to form a screw nut transmission mechanism, and the screw can be driven to move up and down by rotating the butterfly nut; the outer wall of the fixed sleeve is provided with external threads, the fixed sleeve is screwed on the cavity of the valve body through the external threads, and a supporting plate is assembled on the fixed sleeve; the support plate is provided with a center hole, the clamping jaw assembly penetrates through the center hole of the support plate and extends into a valve body of the hydraulic electromagnetic valve, and the butterfly nut of the clamping jaw assembly is located on the support plate.
The hydraulic electromagnetic valve seat nondestructive dismounting device is also provided with a jaw assembly rotation limiting mechanism, and the jaw assembly rotation limiting mechanism comprises a limiting hoop and a limiting groove arranged on the inner wall of the fixing sleeve; the limiting hoop is sleeved on the screw rod in a threaded connection mode, and a linear limiting block is arranged on the outer wall of the limiting hoop; the limiting grooves are arc-shaped grooves, four groups of limiting grooves are arranged around the inner wall of the fixing sleeve, the linear limiting blocks of the limiting hoop can rotate in the two groups of limiting grooves, and the rotation angle of the linear limiting blocks is not greater than 40 degrees.
The non-damage dismounting device for the hydraulic electromagnetic valve seat is further provided with a limiting hoop locking nut, and the limiting hoop locking nut is sleeved outside the screw rod and located below the limiting hoop.
The nondestructive dismounting device for the hydraulic electromagnetic valve seat is further provided with a fixed sleeve locking threaded sleeve, and the fixed sleeve locking threaded sleeve is assembled outside the fixed sleeve and located above the valve body of the hydraulic electromagnetic valve.
Above-mentioned hydraulic pressure solenoid valve seat not damaged dismounting device, the centre bore of backup pad is the shoulder hole, supports the butterfly nut in the jack catch subassembly through the ladder face of shoulder hole.
According to the nondestructive dismounting device for the hydraulic electromagnetic valve seat, the supporting plate is provided with the notch running through the central hole and the outer wall of the supporting plate.
Above-mentioned hydraulic pressure solenoid valve seat not damaged dismounting device, the backup pad bottom surface is equipped with and fixes the spacing ka tai of spacing groove complex circumference on the sleeve inner wall.
According to the nondestructive dismounting device for the hydraulic electromagnetic valve seat, the screw cap is fixedly assembled at the upper end of the screw rod.
The utility model relates to a nondestructive dismounting device for a hydraulic solenoid valve seat, which can clamp a boss at the top of the valve seat through a claw extending into the valve body; and then the moment applied to the butterfly nut of the jaw assembly is converted into a drawing force on the valve seat through the lead screw nut transmission mechanism, so that the valve seat is stably taken out from the valve body. Therefore, the utility model discloses a not damaged of valve seat and valve body is disassembled, has reached the purpose that reduces cost of maintenance, improves work efficiency.
Drawings
FIG. 1 is a schematic view of an assembly structure of a valve seat and a valve body of a hydraulic solenoid valve;
FIG. 2 is a schematic view of a valve seat structure of a hydraulic solenoid valve;
FIG. 3 is a schematic view of the non-destructive dismounting device for the valve seat of the hydraulic solenoid valve of the present invention;
FIG. 4 is a schematic illustration of the exploded structure of FIG. 3;
FIG. 5 is a schematic view of the cross-sectional structure of the nondestructive dismounting device for the hydraulic solenoid valve seat of the present invention;
FIG. 6 is a schematic view of the cross-sectional A-A structure of FIG. 5;
FIG. 7 is a schematic view of the sectional view B-B of FIG. 5 (the clamping jaws are not clamping the valve seat of the hydraulic solenoid valve);
fig. 8 is a schematic view of the section B-B in fig. 5 (the clamping jaw clamps the valve seat of the hydraulic solenoid valve).
The list of labels in the figure is:
1. a valve body 1-1 and internal threads; 2. The valve seat is 2-1, the circular boss is 2-2, and the cross-shaped groove is formed; 3. The clamping jaw assembly comprises 3-1 parts of a clamping jaw assembly, 3-2 parts of a nut, 3-3 parts of a butterfly nut, 3-4 parts of a limiting hoop locking nut, 3-5 parts of a screw, 3-6 parts of a clamping jaw seat, 3-7 parts of a clamping jaw; 4. 4-1 parts of a supporting plate, 4-1 parts of a central hole, 4-2 parts of a notch, 4-3 parts of a circumferential limiting boss; 5. 5-1 parts of a fixed sleeve, 5-1 parts of a limiting groove and 5-1 parts of external threads; 6. The locking thread sleeve of the fixed sleeve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, a valve seat 2 of the hydraulic solenoid valve applied to an aircraft hydraulic control system is installed at the bottom of a valve body 1 in an interference fit manner, a circular boss 2-1 is arranged at the top of the valve seat, the circular boss 2-1 is divided into four parts by a cross-shaped groove 2-2, and an internal thread 1-1 is arranged on the side wall of a cavity of the valve body 1 of the hydraulic solenoid valve.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, the utility model provides a to hydraulic pressure solenoid valve seat not damaged dismounting device in fig. 1, fig. 2, it includes jaw assembly 3, backup pad 4 and fixed sleeve 5, accessible fixed sleeve 5, backup pad 4 are on 3 valve body 1 of installation solenoid valve of jaw assembly, rethread jaw assembly 3 takes out valve seat 2 from the valve pocket bottom surface of valve body 1 with backup pad 4 cooperation, and concrete structure is: the clamping jaw component 3 is provided with a screw rod 3-5, a clamping jaw seat 3-6, clamping jaws 3-7 and a butterfly nut 3-2, the clamping jaw seat 3-6 is positioned at the lower end of the screw rod 3-5, four groups of clamping jaws 3-7 which are uniformly distributed along the circumferential direction are arranged on the bottom surface of the clamping jaw seat 3-6, the clamping jaws 3-7 are provided with inward clamping hooks, the width of each clamping hook is smaller than that of a cross-shaped groove 2-2 on the valve seat 2, the clamping hooks of the four groups of clamping jaws 3-7 can penetrate through the cross-shaped groove 2-2 to enter a gap between the valve seat body and the circular boss 2-1, then the clamping jaws 3 can be clamped at the edge of the circular boss 2-1 by rotating the clamping jaw component 3, so that the clamping jaws 3-7 can clamp the valve seat 2, and the butterfly nut 3-2 is sleeved on the screw rod 3-5 to form a screw rod nut transmission mechanism, the screw 3-5 can be driven to move up and down by rotating the butterfly nut 3-2; the outer wall of the fixed sleeve 5 is provided with an external thread 5-2, the fixed sleeve 5 is screwed on the inner wall of the cavity of the valve body 1 through the external thread 5-2, and a supporting plate 4 is assembled on the fixed sleeve 5; the support plate 4 is provided with a center hole 4-1, the center hole 4-1 is a stepped hole, the support plate 4 is further provided with a notch 4-2 penetrating through the center hole 4-1 and the outer wall of the support plate, the jaw assembly 3 penetrates through the center hole of the support plate and extends into the cavity of the valve body 1, the butterfly nut 3-2 of the jaw assembly 3 is located on the support plate 4, and the butterfly nut 3-2 in the jaw assembly 3 is supported through the stepped surface of the stepped hole.
Referring to fig. 4, 5, 6, 7 and 8, the non-destructive dismounting device for the hydraulic solenoid valve seat of the present invention is further provided with a jaw assembly rotation limiting mechanism, wherein the jaw assembly rotation limiting mechanism comprises a limiting hoop 3-3 and a limiting groove 5-1 arranged on the inner wall of the fixed sleeve 5; the limiting hoop 3-3 is sleeved on the screw rod 3-5 in a threaded connection mode, and a linear limiting block is arranged on the outer wall of the limiting hoop 3-3; the limiting grooves 5-1 are arc-shaped grooves, four groups of limiting grooves are arranged around the inner wall of the fixing sleeve 5, the linear limiting blocks of the limiting hoops 3-3 can rotate in the two groups of limiting grooves 5-1, and the limiting grooves 5-1 ensure that the rotating angles of the limiting hoops 3-3 are not more than 40 degrees, so that the jaw assemblies 3 fixedly assembled with the limiting hoops 3-3 are rotated by less than 40 degrees, the hooks of the jaws 3-7 are rotated to the middle of each part of the circular bosses 2-1 of the valve seat 2, and the valve seat 2 is stably clamped. The utility model discloses still be equipped with in 4 bottom surfaces of backup pad and 5 inner walls of fixed sleeve on spacing groove 5-1 complex circumference spacing ka tai 4-3, when rotatory butterfly nut 3-2 drive screw 3-5 up-and-down motion, avoided backup pad 4 to rotate along with butterfly nut 3-2 through circumference spacing ka tai 4-3 to the steady operation of screw-nut drive mechanism has been guaranteed. The utility model discloses still be provided with spacing hoop lock nut 3-4, spacing hoop lock nut 3-4 suit is in the screw rod 3-5 outside, is located the below of spacing hoop 3-3.
Referring to fig. 4 and 5, the non-destructive dismounting device for the valve seat of the hydraulic solenoid valve of the present invention further comprises a fixing sleeve locking threaded sleeve 6, wherein the fixing sleeve locking threaded sleeve 6 is assembled outside the fixing sleeve 5 and is located above the valve body 1 of the hydraulic solenoid valve.
Referring to fig. 1 to 8, the non-destructive dismounting device for the hydraulic solenoid valve seat of the present invention firstly completes the assembly of the jaw assembly 3 when the hydraulic solenoid valve seat is disassembled, namely, the limiting hoop 3-3 and the limiting hoop lock nut 3-4 are sleeved on the screw rod 3-5, the butterfly nut 3-2 is sleeved on the screw rod 3-5, the nut is installed at the upper end of the screw rod 3-5, and the nut is fixed by gluing or welding. Then assembling the jaw assembly 3, the fixed sleeve 5 and the valve body 1 of the hydraulic solenoid valve, namely sleeving the fixed sleeve locking threaded sleeve 6 outside the fixed sleeve 5, installing the assembled jaw assembly 3 into the fixed sleeve 5, enabling a linear limiting block of the limiting hoop 3-3 to enter a limiting groove 5-1 on the inner wall of the fixed sleeve 4, controlling the rotating angle of the limiting hoop 3-3 within 40 degrees, screwing the fixed sleeve 5 on the valve body 1 of the hydraulic solenoid valve, screwing the sleeve locking threaded sleeve 6 to lock and fix the fixed sleeve 5, enabling hooks of the four groups of jaws 3-7 to pass through the cross-shaped groove 2-2 to enter a gap between the valve seat body and the circular boss 2-1, then rotating the limiting hoop 3-3 to enable the hooks of the jaws 3-7 to be clamped at the edge of the circular boss 2-1, the clamping action of the clamping jaws 3-7 on the valve seat 2 is realized. And finally, rotating the butterfly nut 3-2, and driving the clamping jaws 3-7 and the valve seat 2 to slowly move upwards through the screws 3-5 by utilizing the transmission principle of the screw rod nut so as to stably take out the valve seat 2 from the valve body 1.
Claims (8)
1. The utility model provides a hydraulic solenoid valve seat not damaged dismounting device which characterized in that: the clamping jaw assembly comprises a clamping jaw assembly (3), a supporting plate (4) and a fixing sleeve (5); the clamping jaw component (3) is provided with a screw rod (3-5), a clamping jaw seat (3-6), clamping jaws (3-7) and a butterfly nut (3-2), the clamping jaw seat (3-6) is positioned at the lower end of the screw rod (3-5), four groups of clamping jaws (3-7) which are uniformly distributed along the circumferential direction are arranged on the bottom surface of the clamping jaw seat (3-6), the width of each clamping jaw (3-7) is smaller than that of a cross-shaped groove (2-2) on the movable door seat (2), the butterfly nut (3-2) is sleeved on the screw rod (3-5) to form a screw rod nut transmission mechanism, and the screw rod (3-5) can be driven to move up and down by rotating the butterfly nut (3-2); the outer wall of the fixed sleeve (5) is provided with an external thread (5-2), the fixed sleeve (5) is screwed on the valve body (1) through the external thread (5-2), and the supporting plate (4) is assembled on the fixed sleeve (5); the valve is characterized in that the supporting plate (4) is provided with a center hole (4-1), the jaw assembly (3) penetrates through the center hole of the supporting plate and extends into the valve body (1), and the butterfly nut (3-2) of the jaw assembly (3) is located on the supporting plate (4).
2. The hydraulic electromagnetic valve seat damage-free dismounting device as claimed in claim 1, characterized in that: the clamping jaw assembly rotating limiting mechanism is further arranged and comprises a limiting hoop (3-3) and a limiting groove (5-1) arranged on the inner wall of the fixing sleeve (5); the limiting hoop (3-3) is sleeved on the screw rod (3-5) in a threaded connection mode, and a linear limiting block is arranged on the outer wall of the limiting hoop (3-3); the limiting grooves (5-1) are arc-shaped grooves, four groups of limiting grooves are arranged around the inner wall of the fixing sleeve (5), the linear limiting blocks of the limiting hoops (3-3) can rotate in the two groups of limiting grooves (5-1) which are opposite, and the rotating angle of the linear limiting blocks is not more than 40 degrees.
3. The hydraulic electromagnetic valve seat damage-free dismounting device as claimed in claim 2, characterized in that: the limiting hoop locking nut (3-4) is further arranged, and the limiting hoop locking nut (3-4) is sleeved outside the screw rod (3-5) and is located below the limiting hoop (3-3).
4. The hydraulic electromagnetic valve seat damage-free dismounting device according to claim 1, 2 or 3, characterized in that: the hydraulic electromagnetic valve is characterized by further comprising a fixed sleeve locking threaded sleeve (6), wherein the fixed sleeve locking threaded sleeve (6) is assembled outside the fixed sleeve (5) and is positioned above the valve body (1) of the hydraulic electromagnetic valve.
5. The hydraulic electromagnetic valve seat damage-free dismounting device as claimed in claim 1, characterized in that: the center hole (4-1) of the support plate (4) is a stepped hole, and the butterfly nut (3-2) in the jaw assembly (3) is supported through the stepped surface of the stepped hole.
6. The hydraulic electromagnetic valve seat damage-free dismounting device as claimed in claim 5, characterized in that: the supporting plate (4) is provided with a notch (4-2) which runs through the central hole (4-1) and the outer wall.
7. The hydraulic electromagnetic valve seat damage-free dismounting device as claimed in claim 6, characterized in that: the bottom surface of the supporting plate (4) is provided with a circumferential limiting clamping table (4-3) matched with a limiting groove (5-1) on the inner wall of the fixed sleeve (5).
8. The hydraulic electromagnetic valve seat damage-free dismounting device as claimed in claim 1, characterized in that: and a nut (3-1) fixedly assembled is arranged at the upper end of the screw rod (3-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123264575.9U CN217143787U (en) | 2021-12-23 | 2021-12-23 | Nondestructive dismounting device for valve seat of hydraulic solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123264575.9U CN217143787U (en) | 2021-12-23 | 2021-12-23 | Nondestructive dismounting device for valve seat of hydraulic solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217143787U true CN217143787U (en) | 2022-08-09 |
Family
ID=82686064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123264575.9U Active CN217143787U (en) | 2021-12-23 | 2021-12-23 | Nondestructive dismounting device for valve seat of hydraulic solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217143787U (en) |
-
2021
- 2021-12-23 CN CN202123264575.9U patent/CN217143787U/en active Active
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