阅读说明：本技术 一种流体阀应急泄压组件 (Emergent pressure release subassembly of fluid valve ) 是由 程志 于 2020-12-04 设计创作，主要内容包括：本发明公开了一种流体阀应急泄压组件,包括流体阀主体、腔体、调控螺纹杆、泄压辅助通槽和泄压辅助定位机构；对于本发明设计的流体阀对于泄压具有很好的应急作用,并且能够稳定控制,提高泄压效果,通过设置的调控螺纹杆和第一活动圆槽、泄压辅助通槽、第一活动圆块,可以实现对于阀体泄压的应急作用,进而保证阀体的正常工作,并且通过设置的泄压辅助定位机构,能够使得阀体的应急泄压工作更加稳定的进行,进而提高泄压工作的稳定性,避免阀体部件造成损坏,提高其使用寿命避免危险情况的发生。(The invention discloses an emergency pressure relief assembly of a fluid valve, which comprises a fluid valve main body, a cavity, a regulating threaded rod, a pressure relief auxiliary through groove and a pressure relief auxiliary positioning mechanism, wherein the cavity is provided with a cavity; the fluid valve designed by the invention has a good emergency effect on pressure relief, can be stably controlled, improves the pressure relief effect, can realize the emergency effect on the pressure relief of the valve body through the arranged regulating and controlling threaded rod, the first movable circular groove, the pressure relief auxiliary through groove and the first movable circular block, further ensures the normal work of the valve body, can enable the emergency pressure relief work of the valve body to be carried out more stably through the arranged pressure relief auxiliary positioning mechanism, further improves the stability of the pressure relief work, avoids the damage of valve body parts, prolongs the service life of the valve body and avoids the occurrence of dangerous conditions.)

1. An emergent pressure release subassembly of fluid valve which characterized in that: the pressure relief valve comprises a fluid valve main body (1), a cavity (2), a regulating threaded rod (3), a pressure relief auxiliary through groove (6) and a pressure relief auxiliary positioning mechanism (14);

a cavity (2) is arranged in the fluid valve main body (1), and a regulating threaded rod (3) is connected and arranged in the fluid valve main body (1);

a first movable circular groove (4) and a second movable circular groove (5) are arranged in the adjusting threaded rod (3), the side position of the first movable circular groove (4) is equidistantly provided with a pressure relief auxiliary through groove (6) in a penetrating manner, a first movable circular block (7) is movably arranged in the first movable circular groove (4), a second movable circular block (9) is movably arranged in the second movable circular groove (5), one end of the second movable circular block (9) is symmetrically provided with connecting strips (8), and the other end of each connecting strip (8) is arranged on the first movable circular block (7);

grooves (10) are equidistantly formed in the edge side of the second movable round block (9), movable clamping blocks (11) are movably arranged in the grooves (10), one end of each movable clamping block (11) is provided with a connecting spring, the other end of each connecting spring is arranged in each groove (10), arc-shaped movable blocks (12) are movably arranged on the outer side wall of each adjusting threaded rod (3) at equal intervals, each arc-shaped movable block (12) is arranged at one end of each movable extrusion block (13), and first reset springs are arranged on the same sides of the arc-shaped movable blocks (12) and the movable extrusion blocks (13);

the pressure relief auxiliary positioning mechanism (14) is arranged on the fluid valve main body (1) and is arranged at the side position of the adjusting threaded rod (3).

2. A fluid valve emergency relief assembly according to claim 1, wherein: the pressure relief auxiliary positioning mechanism (14) comprises a fixing ring (1401), a first movable insert block (1402), a second movable insert block (1403), an auxiliary extrusion cambered surface (1404), a lantern ring (1405), an arc-shaped movable groove (1406), an extrusion convex block (1407), a fixing block (1408), a transmission block (1409), a movable extrusion sheet (1410), an extrusion chute (1411), a pushing block (1412) and a movable clamp plate (1413), wherein the fixing ring (1401) is arranged on the fluid valve main body (1), the first movable insert block (1402) is arranged in the fixing ring (1401) at an equal distance, one end of the first movable insert block (1402) is provided with the second movable insert block (1403), the other end of the first movable insert block (1402) is provided with the auxiliary extrusion cambered surface (1404), a second reset spring is arranged at the same end of the first movable insert block (1402) and the second movable insert block (1403), and the lantern ring (1405) is sleeved on the fixing ring (1401), and an arc-shaped movable groove (1406) is equidistantly arranged in the lantern ring (1405), a squeezing lug (1407) is arranged in the arc-shaped movable groove (1406), the fixed block (1408) is arranged on the fluid valve main body (1) and is arranged at the side position of the lantern ring (1405), a transmission block (1409) is movably arranged in the fixed block (1408), one end of the transmission block (1409) is provided with a movable squeezing piece (1410), a squeezing chute (1411) is arranged on the transmission block (1409), the transmission block (1409) is symmetrically provided with a second return spring at the same end with the movable squeezing piece (1410), the pushing block (1412) is movably arranged in the fixed block (1408), a lug is arranged at one side of the pushing block (1412), a third return spring is arranged on the lug, the movable lug (1413) is arranged at one side of the lantern ring (1405), and a second squeezing spring is arranged at one end of the movable lug (1413), the other end of the second pressing spring is disposed in a collar (1405).

3. A fluid valve emergency relief assembly according to claim 1, wherein: the diameters of the first movable round block (7) and the first movable round groove (4) are equal, and the length of the first movable round block (7) is smaller than that of the first movable round groove (4).

4. A fluid valve emergency relief assembly according to claim 2, wherein: the extrusion lug (1407) corresponds to the arrangement positions of the first movable insert block (1402), the arc-shaped movable block (12) and the movable clamping block (11), has the same number of arrangement groups, and is at least arranged into four groups.

Technical Field

The invention relates to the technical field of fluid valve devices, in particular to an emergency pressure relief assembly of a fluid valve.

Background

A fluid valve is a valve that controls the flow of fluid by changing the cross-section or length; the throttle valve and the one-way valve are connected in parallel to form a one-way throttle valve; the throttle valve and the one-way throttle valve are simple flow control valves, and in a constant displacement pump hydraulic system, the throttle valve is matched with an overflow valve to form three throttling speed regulation systems, namely an oil inlet path throttling speed regulation system, an oil return path throttling speed regulation system and a bypass throttling speed regulation system; the fluid valve has no flow negative feedback function, cannot compensate speed instability caused by load change, is generally only used in occasions with small load change or low requirement on speed stability, and is widely applied to the following occasions: air, water, vacuum, natural gas, oil, chemicals, steam, inert gas, corrosive liquid.

The fluid valve can correspondingly control the flow velocity, so that the pressure intensity can be controlled, and the actual pressure intensity control requirement can be met, but when the pressure intensity is too high and emergency pressure relief is needed, the effect is not satisfactory when the flow velocity is emergently controlled in the prior art, so that the parts of the fluid valve can be damaged, the service life of the fluid valve is shortened, and even dangerous conditions occur.

Disclosure of Invention

The present invention is directed to an emergency relief assembly for a fluid valve, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: an emergency pressure relief assembly of a fluid valve comprises a fluid valve body, a cavity, a regulating threaded rod, a pressure relief auxiliary through groove and a pressure relief auxiliary positioning mechanism;

a cavity is arranged in the fluid valve main body, and a regulating threaded rod is connected and arranged in the fluid valve main body;

a first movable circular groove and a second movable circular groove are formed in the adjusting and controlling threaded rod, the side position of the first movable circular groove is equidistantly provided with a pressure relief auxiliary through groove in a penetrating manner, a first movable circular block is movably arranged in the first movable circular groove, a second movable circular block is movably arranged in the second movable circular groove, one end of the second movable circular block is symmetrically provided with a connecting strip, and the other end of the connecting strip is arranged on the first movable circular block;

the side of the second movable round block is provided with grooves at equal intervals, a movable fixture block is movably arranged in each groove, one end of each movable fixture block is provided with a connecting spring, the other end of each connecting spring is arranged in each groove, the outer side wall of each adjusting threaded rod is provided with an arc-shaped movable block at equal intervals, each arc-shaped movable block is arranged at one end of each movable extrusion block, and each arc-shaped movable block is provided with a first reset spring at the same side as each movable extrusion block;

the pressure relief auxiliary positioning mechanism is arranged on the fluid valve main body and is arranged at the side position of the regulating threaded rod.

Preferably, the pressure relief auxiliary positioning mechanism comprises a fixing ring, a first movable insert, a second movable insert, an auxiliary extrusion cambered surface, a lantern ring, an arc-shaped movable groove, an extrusion convex block, a fixing block, a transmission block, a movable extrusion sheet, an extrusion chute, a pushing block and a movable clamping piece, wherein the fixing ring is arranged on the fluid valve main body, the first movable insert is movably arranged in the fixing ring at equal intervals, one end of the first movable insert is provided with the second movable insert, the other end of the first movable insert is provided with the auxiliary extrusion cambered surface, the first movable insert is provided with a second reset spring at the same end with the second movable insert, the lantern ring is sleeved on the fixing ring, the arc-shaped movable groove is arranged at equal intervals in the lantern ring, the extrusion convex block is arranged in the arc-shaped movable groove, the fixing block is arranged on the fluid valve main body and is arranged at the side position of the lantern ring, the one end of transmission piece is provided with the activity extrusion piece, be provided with the extrusion chute on the transmission piece, the transmission piece is being provided with second reset spring with the same end symmetry of activity extrusion piece, it sets up in the fixed block to promote the piece activity to one side that promotes the piece is provided with the lug, is provided with third reset spring on the lug, the activity card sets up in one side of the lantern ring, and the one end of activity card is provided with second extrusion spring, and the second extrusion spring other end sets up in the lantern ring.

Preferably, the diameters of the first movable round block and the first movable round groove are equal, and the length of the first movable round block is smaller than that of the first movable round groove.

Preferably, the extrusion convex block corresponds to the arrangement positions of the first movable insertion block, the arc-shaped movable block and the movable clamping block, has the same number of the arrangement groups, and is at least arranged in four groups.

Compared with the prior art, the invention has the beneficial effects that:

the fluid valve designed by the invention has a good emergency effect on pressure relief, can be stably controlled, improves the pressure relief effect, can realize the emergency effect on the pressure relief of the valve body through the arranged regulating and controlling threaded rod, the first movable circular groove, the pressure relief auxiliary through groove and the first movable circular block, further ensures the normal work of the valve body, can enable the emergency pressure relief work of the valve body to be carried out more stably through the arranged pressure relief auxiliary positioning mechanism, further improves the stability of the pressure relief work, avoids the damage of valve body parts, prolongs the service life of the valve body and avoids the occurrence of dangerous conditions.

Drawings

FIG. 1 is a schematic view of a connection structure according to the present invention;

FIG. 2 is an exploded front view of the internal connection structure of the fluid valve body of the present invention;

FIG. 3 is an enlarged view of a portion of the connection structure of FIG. 2 according to the present invention;

FIG. 4 is an exploded right side view of the internal connection structure of the fluid valve body of the present invention;

FIG. 5 is an enlarged view of the connection structure of the auxiliary pressure relief positioning mechanism shown in FIG. 4 according to the present invention.

In the figure: the fluid valve comprises a fluid valve body 1, a cavity 2, a regulating threaded rod 3, a first movable circular groove 4, a second movable circular groove 5, a pressure relief auxiliary through groove 6, a first movable circular block 7, a connecting strip 8, a second movable circular block 9, a groove 10, a movable clamping block 11, an arc-shaped movable block 12, a movable extrusion block 13, a pressure relief auxiliary positioning mechanism 14, a fixing ring 1401, a first movable insertion block 1402, a second movable insertion block 1403, an auxiliary extrusion arc surface 1404, a lantern ring 1405, an arc-shaped movable groove 1406, an extrusion lug 1407, a fixing block 1408, a transmission block 1409, a movable extrusion sheet 1410, an extrusion chute 1411, a pushing block 1412 and a movable clamping sheet 1413.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the invention relates to an emergency pressure relief assembly of a fluid valve, which comprises a fluid valve main body 1, a cavity 2, a regulating threaded rod 3, a pressure relief auxiliary through groove 6 and a pressure relief auxiliary positioning mechanism 14, wherein the fluid valve main body is provided with a cavity;

a cavity 2 is arranged in the fluid valve body 1, and a regulating threaded rod 3 is connected and arranged in the fluid valve body 1;

a first movable circular groove 4 and a second movable circular groove 5 are arranged in the adjusting and controlling threaded rod 3, a pressure relief auxiliary through groove 6 is arranged at the side position of the first movable circular groove 4 in an equidistant penetrating manner, a first movable circular block 7 is movably arranged in the first movable circular groove 4, a second movable circular block 9 is movably arranged in the second movable circular groove 5, connecting strips 8 are symmetrically arranged at one end of the second movable circular block 9, the other end of each connecting strip 8 is arranged on the first movable circular block 7, and a connecting spring is arranged at one end of the first movable circular block 7;

grooves 10 are equidistantly formed in the edge side of the second movable round block 9, movable clamping blocks 11 are movably arranged in the grooves 10, one ends of the movable clamping blocks 11 are provided with connecting springs, the other ends of the connecting springs are arranged in the grooves 10, arc-shaped movable blocks 12 are movably arranged on the outer side wall of the regulating threaded rod 3 at equal intervals, the arc-shaped movable blocks 12 are arranged at one ends of movable extrusion blocks 13, and first return springs are arranged on the same sides of the arc-shaped movable blocks 12 and the movable extrusion blocks 13;

the pressure relief auxiliary positioning mechanism 14 is arranged on the fluid valve main body 1 and is arranged at the side position of the regulating threaded rod 3.

Further, the diameters of the first movable round block 7 and the first movable round slot 4 are equal, and the length of the first movable round block 7 is smaller than that of the first movable round slot 4.

Further, the pressing protrusions 1407 correspond to the four positions of the first movable block 1402, the arc-shaped movable block 12 and the movable block 11, and are arranged in at least four groups.

Further, the pressure relief auxiliary positioning mechanism 14 includes a fixed ring 1401, a first movable insert 1402, a second movable insert 1403, an auxiliary extrusion arc 1404, a collar 1405, an arc-shaped movable groove 1406, an extrusion protrusion 1407, a fixed block 1408, a transmission block 1409, a movable extrusion piece 1410, an extrusion chute 1411, a pushing block 1412, a movable clamp 1413, wherein the fixed ring 1401 is disposed on the fluid valve body 1, the fixed ring 1401 is movably disposed with the first movable insert 1402 at a middle distance, one end of the first movable insert 1402 is disposed with the second movable insert 1403, the other end is disposed with the auxiliary extrusion arc 1404, the first movable insert 1402 is disposed with a second return spring at the same end as the second movable insert 1403, the collar 1405 is sleeved on the fixed ring 1401, the arc-shaped movable groove 1406 is disposed at a middle distance in the collar 1406, the extrusion protrusion 1407 is disposed in the arc-shaped movable groove 1406, the fixed block 1408 is disposed on the fluid valve body 1, and set up the avris position at the lantern ring 1405, the activity is provided with drive block 1409 in the fixed block 1408, the one end of drive block 1409 is provided with activity extrusion piece 1410, be provided with extrusion chute 1411 on the drive block 1409, drive block 1409 is provided with the second return spring at the same end symmetry with activity extrusion piece 1410, it sets up in fixed block 1408 to promote the activity of piece 1412, and it is provided with the lug to promote one side of piece 1412, be provided with the third return spring on the lug, activity card 1413 sets up one side at the lantern ring 1405, and the one end of activity card 1413 is provided with the second and extrudes the spring, the second extrusion spring other end sets up in the lantern ring 1405.

The working principle is as follows: when the emergency pressure relief device works, firstly, the pushing block 1412 is pressed, the pushing block 1412 enters the extrusion chute 1411 to drive the transmission block 1409 to move, the transmission block 1409 drives the movable extrusion piece 1410 to extrude the movable clamping piece 1413 from the fixed block 1408, the position of the lantern ring 1405 is released, then the lantern ring 1405 is rotated, the extrusion bump 1407 on the lantern ring 1405 extrudes the first movable inserting block 1402, the first movable inserting block 1402 pushes the second movable inserting block 1403 to extrude the movable clamping block 11 until the movable clamping block 11 is extruded into the second movable round block 9, meanwhile, the second movable round block 9 and the first movable round block 7 move upwards under the action of the connecting spring, along with the upward movement of the first movable round block 7, the blocking of the first movable round block 7 on the pressure relief auxiliary through groove 6 at the bottom end side wall of the pressure relief threaded rod 3 is eliminated, and then the pressure relief threaded rod 3 is rotated to work on the valve body, the function of the auxiliary pressure relief through groove 6 is to increase the flow during pressure relief, further quickly reduce the flow speed, the emergency treatment can be carried out on the pressure relief, thereby having good effect on improving the pressure relief of the valve body and further improving the pressure relief working efficiency of the valve body, therefore, the fluid valve designed by the invention has good emergency function for pressure relief, can be stably controlled, improves the pressure relief effect, the emergency function of the pressure relief of the valve body can be realized through the regulating threaded rod 3, the first movable circular groove 4, the pressure relief auxiliary through groove 6 and the first movable circular block 7, thereby ensuring the normal work of the valve body, and the emergency pressure relief work of the valve body can be carried out more stably through the arranged pressure relief auxiliary positioning mechanism 14, and then improve the stability of pressure release work, avoid the valve body part to cause the damage, improve its life and avoid the emergence of dangerous condition.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.