CN214247838U

CN214247838U - Hydraulic valve for hydraulic press

Info

Publication number: CN214247838U
Application number: CN202023072328.4U
Authority: CN
Inventors: 刘巨星
Original assignee: Dongguan Xingya Hydraulic Machinery Co ltd
Current assignee: Dongguan Xingya Hydraulic Machinery Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-21
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a hydrovalve that hydraulic press was used, concretely relates to hydraulic press technical field, including casing and inlet, one side of casing is inlayed and is had the inlet, one side of inlet is provided with the water conservancy diversion mouth, one side of water conservancy diversion mouth is provided with the water conservancy diversion chamber, one side in water conservancy diversion chamber is provided with the spacing groove, one side of spacing groove is provided with the liquid outlet, the inside swing joint of spacing groove has a choked flow section of thick bamboo. The utility model discloses an when using this hydrovalve, reset spring is after long-time use, can lead to the leakproofness between a choked flow section of thick bamboo and the water conservancy diversion mouth to reduce after reset spring's the elastic coefficient reduces, at this moment the bolt rotates, with the bolt from the inside of thread groove, break away from the back when the bolt is followed the inside of thread groove completely, alright take out with the inside of stationary blade from the liquid outlet to can take out reset spring, realized that can be convenient change reset spring, guarantee the operation of this hydrovalve normal.

Description

Hydraulic valve for hydraulic press

Technical Field

The utility model relates to a hydraulic press technical field specifically is a hydrovalve that hydraulic press was used.

Background

The hydraulic valve is an automatic element for controlling the liquid circulation, and the hydraulic valve is a control element in the hydraulic press, so that the existing hydraulic valve for the hydraulic press has more defects in use, and a hydraulic valve for the hydraulic press with higher practicability is needed at present.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) in the traditional hydraulic valve for the hydraulic press, the elastic coefficient of the return spring is changed after the return spring is used for a long time in use, and the return spring is inconvenient to replace;

(2) when the traditional hydraulic valve for the hydraulic press is not circulated, the sealing performance of the flow resisting element is poor;

(3) the hydraulic valve for the traditional hydraulic machine cannot change the flow rate according to the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrovalve that hydraulic pressure was used to provide the long-time use of in use reset spring can lead to its elastic coefficient to change among the solution above-mentioned background art, the inconvenient problem of changing moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic valve for a hydraulic press comprises a shell and a liquid inlet, wherein the liquid inlet is embedded in one side of the shell, a flow guide port is arranged in one side of the liquid inlet, a flow guide cavity is arranged in one side of the flow guide port, a limiting groove is arranged in one side of the flow guide cavity, a liquid outlet is arranged in one side of the limiting groove, a flow blocking barrel is movably connected in the limiting groove, a sealing structure is arranged in one side of the flow blocking barrel, a group of through grooves are respectively embedded in two ends of the flow blocking barrel, adjusting structures are arranged at two ends of the shell, a reset spring is fixedly connected to one side in the flow blocking barrel, and a dismounting structure is arranged in the liquid outlet;

the detachable structure comprises a fixing plate, the fixing plate is fixedly connected to one side of the reset spring, the fixing plate is movably connected with the liquid outlet, a set of top plate is fixedly connected to two ends of the fixing plate respectively, a set of thread groove is inlaid at two ends of one side of the shell respectively, the top plate is movably connected with the thread groove, the bolt is movably connected with the inside of the thread groove, the bolt is movably connected with the top plate, a through hole is inlaid in one side of the liquid outlet, a set of groove is inlaid at two ends of one side of the shell respectively, and the groove is movably connected with the bolt.

Preferably, the central line of the through hole and the central line of the liquid outlet are on the same horizontal plane, and the height of the top plate is greater than the height of the inside of the thread groove.

Preferably, the sealing structure is composed of an insertion block, a first retaining ring, a second retaining ring and a sealing ring, the first retaining ring is fixedly connected inside the flow guide opening, the second retaining ring is fixedly connected to one side of the inner portion of the flow guide cavity, the sealing ring is fixedly connected to one side of the first retaining ring, the sealing ring is movably connected with the second retaining ring, the insertion block is fixedly connected to one side of the flow blocking cylinder, and the insertion block is movably connected with the sealing ring.

Preferably, the central line of the insert block and the central line of the flow blocking cylinder are on the same horizontal plane, and the diameter of the inner portion of the second stop ring is larger than that of the inner portion of the sealing ring.

Preferably, adjust the structure and constitute by shifting block, connecting rod, baffle, sealed pad and spout, the both ends at the casing are inlayed to the spout, the one end swing joint of spout has the shifting block, the one end fixedly connected with connecting rod of shifting block, the connecting rod runs through the spout and extends to the inside fixedly connected with baffle in water conservancy diversion chamber, the one end fixedly connected with of baffle is sealed to fill up, sealed pad and water conservancy diversion chamber swing joint.

Preferably, the central line of the shifting block and the central line of the connecting rod are on the same vertical plane, and the length of the sealing gasket is smaller than the length of the inside of the sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that: the hydraulic valve for the hydraulic press not only realizes convenient replacement of the return spring, improves the sealing performance of the flow resisting part, but also realizes adjustment of the flow rate;

(1) by arranging the fixing plate, the groove, the through hole, the thread groove, the bolt and the top plate, when the hydraulic valve is used, after the reset spring is used for a long time, the elasticity coefficient of the reset spring is reduced, so that the sealing property between the flow resisting cylinder and the flow guide opening is reduced, at the moment, the bolt is rotated to rotate out of the thread groove, and after the bolt is completely separated from the inside of the thread groove, the fixing plate can be taken out of the liquid outlet, so that the reset spring can be taken out, the reset spring can be conveniently replaced, and the normal operation of the hydraulic valve is ensured;

(2) by arranging the insert block, the first retaining ring, the second retaining ring and the sealing ring, when the hydraulic valve is installed, the sealing ring is placed between the first retaining ring and the second retaining ring, the first retaining ring and the second retaining ring fix the sealing ring, the insert block on one side of the flow resisting cylinder is inserted into the sealing ring under the pushing of the reset spring and is attached to the insert block, so that the sealing between the flow guide port and the flow resisting cylinder is ensured, and the sealing property can be ensured when no liquid flows;

(3) through being provided with shifting block, connecting rod, baffle, sealed pad and spout, when using this hydrovalve, can stimulate the shifting block and drive the baffle motion of one end through the connecting rod of shifting block one end to the baffle can cover logical groove when the motion of choked flow section of thick bamboo, thereby the circulation rate of leading to the inslot portion when adjusting the water conservancy diversion, the liquid circulation rate of the regulation this hydrovalve that has realized can be convenient.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of a side view of a liquid outlet of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic view of the top view structure of the choke cylinder of the present invention.

In the figure: 1. a housing; 2. a liquid inlet; 3. a sealing structure; 301. inserting a block; 302. a first retainer ring; 303. a second retainer ring; 304. a seal ring; 4. a choke cylinder; 5. a through groove; 6. an adjustment structure; 601. shifting blocks; 602. a connecting rod; 603. a baffle plate; 604. a gasket; 605. a chute; 7. a limiting groove; 8. a fixing sheet; 9. a groove; 10. a liquid outlet; 11. a through hole; 12. a thread groove; 13. a bolt; 14. a top plate; 15. a flow guide cavity; 16. a return spring; 17. and a flow guide opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a hydraulic valve for a hydraulic press includes a housing 1 and a fluid inlet 2, the fluid inlet 2 is embedded in one side of the housing 1, a flow guide port 17 is disposed in one side of the fluid inlet 2, a flow guide cavity 15 is disposed in one side of the flow guide port 17, a limit groove 7 is disposed in one side of the flow guide cavity 15, a fluid outlet 10 is disposed in one side of the limit groove 7, a flow blocking cylinder 4 is movably connected in the limit groove 7, a sealing structure 3 is disposed in one side of the flow blocking cylinder 4, a set of through grooves 5 are respectively embedded in two ends of the flow blocking cylinder 4, adjusting structures 6 are disposed in two ends of the housing 1, a return spring 16 is fixedly connected to one side of the flow blocking cylinder 4, and a dismounting structure is disposed in the fluid outlet 10;

referring to fig. 1-4, a hydraulic valve for a hydraulic press further includes a dismounting structure, the dismounting structure includes a fixing plate 8, the fixing plate 8 is fixedly connected to one side of a return spring 16, the fixing plate 8 is movably connected to a liquid outlet 10, two ends of the fixing plate 8 are respectively and fixedly connected to a set of top plates 14, two ends of one side of a housing 1 are respectively embedded with a set of thread grooves 12, the top plates 14 are movably connected to the thread grooves 12, bolts 13 are movably connected to the inside of the thread grooves 12, the bolts 13 are movably connected to the top plates 14, one side of the liquid outlet 10 is embedded with through holes 11, two ends of one side of the housing 1 are respectively embedded with a set of grooves 9, and the grooves;

the central line of the through hole 11 and the central line of the liquid outlet 10 are on the same horizontal plane, and the height of the top plate 14 is greater than the height inside the thread groove 12;

specifically, as shown in fig. 1 and 2, when the hydraulic valve is used, after the return spring 16 is used for a long time, the elasticity coefficient of the return spring 16 is reduced, which results in the reduction of the sealing property between the flow blocking cylinder 4 and the flow guide port 17, at this time, the bolt 13 is rotated out from the inside of the thread groove 12, and when the bolt 13 is completely separated from the inside of the thread groove 12, the fixing piece 8 can be taken out from the inside of the liquid outlet 10, so that the return spring 16 can be taken out, the return spring 16 can be conveniently replaced, and the normal operation of the hydraulic valve is ensured.

Example 2: the sealing structure 3 consists of an insertion block 301, a first retainer ring 302, a second retainer ring 303 and a sealing ring 304, the first retainer ring 302 is fixedly connected inside the diversion port 17, the second retainer ring 303 is fixedly connected to one side inside the diversion cavity 15, the sealing ring 304 is fixedly connected to one side of the first retainer ring 302, the sealing ring 304 is movably connected with the second retainer ring 303, the insertion block 301 is fixedly connected to one side of the flow resisting cylinder 4, and the insertion block 301 is movably connected with the sealing ring 304;

the central line of the insert block 301 and the central line of the choke cylinder 4 are on the same horizontal plane, and the diameter of the inner part of the second stop ring 303 is larger than that of the inner part of the sealing ring 304;

specifically, as shown in fig. 1, 3 and 4, when the hydraulic valve is installed, the sealing ring 304 is placed between the first retaining ring 302 and the second retaining ring 303, the first retaining ring 302 and the second retaining ring 303 fix the sealing ring 304, and the insert block 301 on one side of the flow blocking barrel 4 is inserted into the sealing ring 304 under the pushing of the return spring 16 and is attached to the insert block 301, so that the sealing between the diversion port 17 and the flow blocking barrel 4 is ensured, and the sealing performance can be ensured when no liquid flows.

Example 3: the adjusting structure 6 is composed of a shifting block 601, a connecting rod 602, a baffle 603, a sealing gasket 604 and a sliding groove 605, the sliding groove 605 is embedded at two ends of the shell 1, one end of the sliding groove 605 is movably connected with the shifting block 601, one end of the shifting block 601 is fixedly connected with the connecting rod 602, the connecting rod 602 penetrates through the sliding groove 605 and extends to the inside of the flow guide cavity 15 to be fixedly connected with the baffle 603, one end of the baffle 603 is fixedly connected with the sealing gasket 604, and the sealing gasket 604 is movably connected with the flow guide cavity 15;

the central line of the shifting block 601 and the central line of the connecting rod 602 are on the same vertical plane, and the length of the sealing gasket 604 is smaller than the length inside the sliding groove 605;

specifically, as shown in fig. 1 and 4, when the hydraulic valve is used, the shifting block 601 can be pulled to drive the baffle 603 at one end to move through the connecting rod 602 at one end of the shifting block 601, so that the baffle 603 can cover the through groove 5 when the flow blocking cylinder 4 moves, the flow rate inside the through groove 5 is adjusted during flow guiding, and the liquid flow rate of the hydraulic valve can be conveniently adjusted.

The working principle is as follows: the utility model discloses when using, at first, when using this hydrovalve, reset spring 16 is after long-time use, can lead to the leakproofness between choked flow section of thick bamboo 4 and the water conservancy diversion mouth 17 to reduce after reset spring 16's the elastic coefficient, at this moment, rotate bolt 13, roll out bolt 13 from the inside of thread groove 12, break away from the back when bolt 13 is followed thread groove 12's inside completely, alright take out with stationary blade 8 from the inside of liquid outlet 10, thereby can take out reset spring 16, realized that can be convenient change reset spring 16, guarantee that this hydrovalve's operation is normal.

Afterwards, when the hydraulic valve is installed, the sealing ring 304 is placed between the first retaining ring 302 and the second retaining ring 303, the first retaining ring 302 and the second retaining ring 303 fix the sealing ring 304, the insert block 301 on one side of the flow blocking barrel 4 is inserted into the sealing ring 304 under the pushing of the return spring 16 and is attached to the insert block 301, so that the sealing between the diversion port 17 and the flow blocking barrel 4 is ensured, and the sealing performance can be ensured when no liquid flows.

Finally, when using this hydrovalve, can stimulate shifting block 601 and drive the baffle 603 motion of one end through the connecting rod 602 of shifting block 601 one end to baffle 603 can cover logical groove 5 when choked flow section of thick bamboo 4 moves, thereby leads to the inside circulation rate of 5 logical grooves when adjusting the water conservancy diversion, has realized the liquid circulation rate of this hydrovalve of regulation that can be convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A hydrovalve that hydraulic pressure was used, includes casing (1) and inlet (2), its characterized in that: the liquid inlet is embedded in one side of the shell (1), a flow guide port (17) is arranged in one side of the liquid inlet (2), a flow guide cavity (15) is arranged in one side of the flow guide port (17), a limiting groove (7) is arranged in one side of the flow guide cavity (15), a liquid outlet (10) is arranged in one side of the limiting groove (7), a flow blocking barrel (4) is movably connected in the limiting groove (7), a sealing structure (3) is arranged in one side of the flow blocking barrel (4), a group of through grooves (5) are respectively embedded in two ends of the flow blocking barrel (4), adjusting structures (6) are arranged in two ends of the shell (1), a reset spring (16) is fixedly connected to one side of the inside of the flow blocking barrel (4), and a dismounting structure is arranged in the liquid outlet (10);

the utility model discloses a detachable structure, including dismantlement structure (8), stationary blade (8) fixed connection is in one side of reset spring (16), stationary blade (8) and liquid outlet (10) swing joint, the both ends of stationary blade (8) are a set of roof (14) of fixedly connected with respectively, the both ends of casing (1) one side are inlayed respectively and are had a set of thread groove (12), roof (14) and thread groove (12) swing joint, the inside swing joint of thread groove (12) has bolt (13), bolt (13) and roof (14) swing joint, one side of liquid outlet (10) is inlayed and is had through-hole (11), the both ends of casing (1) one side are inlayed respectively and are had a set of recess (9), recess (9) and bolt (13) swing joint.

2. A hydraulic valve for a hydraulic machine according to claim 1, wherein: the central line of the through hole (11) and the central line of the liquid outlet (10) are on the same horizontal plane, and the height of the top plate (14) is greater than the height inside the thread groove (12).

3. A hydraulic valve for a hydraulic machine according to claim 1, wherein: seal structure (3) comprise inserted block (301), first retaining ring (302), second retaining ring (303) and sealing washer (304), first retaining ring (302) fixed connection is in the inside of water conservancy diversion mouth (17), second retaining ring (303) fixed connection is in the inside one side in water conservancy diversion chamber (15), one side fixedly connected with sealing washer (304) of first retaining ring (302), sealing washer (304) and second retaining ring (303) swing joint, inserted block (301) fixed connection is in one side of choked flow section of thick bamboo (4), inserted block (301) and sealing washer (304) swing joint.

4. A hydraulic valve for a hydraulic machine according to claim 3, wherein: the central line of the insert block (301) and the central line of the flow blocking barrel (4) are on the same horizontal plane, and the diameter of the inner part of the second stop ring (303) is larger than that of the inner part of the sealing ring (304).

5. A hydraulic valve for a hydraulic machine according to claim 1, wherein: adjusting structure (6) comprises shifting block (601), connecting rod (602), baffle (603), sealed pad (604) and spout (605), both ends at casing (1) are inlayed in spout (605), the one end swing joint of spout (605) has shifting block (601), the one end fixedly connected with connecting rod (602) of shifting block (601), connecting rod (602) run through spout (605) and extend to inside fixedly connected with baffle (603) of water conservancy diversion chamber (15), the one end fixedly connected with sealed pad (604) of baffle (603), sealed pad (604) and water conservancy diversion chamber (15) swing joint.

6. The hydraulic valve for a hydraulic press of claim 5, wherein: the central line of the shifting block (601) and the central line of the connecting rod (602) are on the same vertical plane, and the length of the sealing gasket (604) is smaller than the length inside the sliding groove (605).