CN115199762A - A regulating valve for easy and quick maintenance - Google Patents

Abstract

A regulating valve convenient for quick maintenance comprises a valve body, a valve rod, a quick clamping valve cover A (3), a quick clamping valve cover B, a valve rod sliding sleeve, a brake plug, a plug valve, an inner cambered surface sealing sleeve, an outer sealing ring, an inner sealing ring, a check ring, a clamping bolt and a double-tile screw sleeve; the method is characterized in that: the quick clamping valve cover A and the quick clamping valve cover B are two semicircular cover bodies and can be quickly assembled with the valve rod sliding sleeve, the valve rod, the valve body and the clamping bolt, so that the purpose of conveniently and quickly overhauling the regulating valve is achieved; the beneficial effects are that: the assembly is convenient and quick, the disassembly is quick, and the maintenance is quick; the use efficiency of the regulating valve is improved; the maintenance cost is reduced; the service life is prolonged; immeasurable beneficial effects can be brought to production enterprises and users of the regulating valve.

Description

A regulating valve for easy and quick maintenance

technical field

The invention relates to a valve, in particular to a regulating valve which is convenient for quick maintenance.

Background technique

The regulating valve is a control device used to adjust the flow and pressure of various medium fluids. It is widely used in industrial and agricultural production. However, due to the corrosiveness and pressure of the medium used, it is prone to failure after a period of use, often It needs repair and maintenance, and because of its complex structure, it is very inconvenient to disassemble, assemble and maintain, and the production cost is high, which seriously affects the production efficiency of all walks of life, and the maintenance cost is very high. The regulating valve is an urgently needed and meaningful work.

SUMMARY OF THE INVENTION

The present invention provides a regulating valve which is convenient for quick maintenance and can solve the problems mentioned in the background art.

The technical scheme of the present invention to solve the technical problem is as follows: a regulating valve which is convenient for quick maintenance, comprising a valve body, a valve stem, a quick snap valve cover A, a quick snap valve cover B, a valve stem sliding sleeve, a gate plug, a plug Door, inner and outer arc surface sealing sleeve, outer sealing ring, inner sealing ring, retaining ring, snap bolt, double tile screw sleeve; it is characterized in that: the upper end of the valve body is equipped with a quick snap valve cover A, a snap snap valve Cover B, the quick snap valve cover A and quick snap valve cover B are two semicircular cover bodies, which can be quickly assembled and assembled with the valve stem sliding sleeve, valve stem, valve body and snap bolts, so as to facilitate quick maintenance and adjustment the purpose of the valve.

The valve stem sliding sleeve includes a sliding hole, an upper limit ring, a hexagon, and a lower limit ring; the upper part of the hexagon is provided with an upper limit ring, and the lower part is provided with a lower limit ring; The center of the side body and the lower limit ring is provided with a sliding hole;

The function of the valve stem sliding sleeve is to cooperate with the polygonal buckles of the quick snap valve cover B and the quick snap valve cover A to lock each other, and play the role of fixing itself and lubricating the movement of the valve stem.

The quick snap valve cover A is composed of a semi-cylindrical body and a semi-circular cover body; the radius of the semi-cylindrical body is smaller than the radius of the semi-circular cover body; the semi-cylindrical body is on the top, and the semi-circular cover body is on the bottom; , The semicircular cover body is provided with the same vertical plane;

The semi-cylindrical body is provided with an upper tightening and sinking through hole, a tightening screw hole and a polygonal buckle; the polygonal buckle is arranged on the upper end of the semi-cylindrical body, and the upper tightening and sinking through hole and the tightening screw hole are provided On both sides of the polygonal buckle;

The semicircular cover body is provided with a lower tightening through hole, a lower tightening screw hole, a positioning notch, and a clamping slot; the clamping slot is arranged at the lower part of the arc edge of the semicircular cover body, and both sides of the clamping slot are provided with downwards. Positioning notch; the two sides of the card slot are outwards, and one side is provided with a lower tightening through hole, and the other side is provided with a lower tightening screw hole.

The quick snap valve cover B and the quick snap valve cover A have the same structure, the same material, and the same characteristics, and are used in a complete circle in reverse matching with each other;

The inner and outer arc surface sealing sleeve includes a circular sleeve body, an inner arc surface, an outer arc surface, an outer seal groove, an inner seal groove and a middle hole; the center of the circular sleeve body is provided with a middle hole, and the middle hole The inner arc surface of the device is provided with a concave inner seal groove; the outer arc surface of the circular sleeve body is provided with a concave outer seal groove; the inner seal groove is used to achieve sliding sealing between the inner seal ring and the valve stem of the device; The outer seal groove is used for static sealing between the outer sealing ring of the device and the valve body;

The inner and outer arc surface sealing sleeve device is connected to the counterbore on the valve body of the valve body; its function is to play a sliding seal on the valve stem and a static seal on the valve body; and it is convenient for quick assembly and disassembly, simple in structure, and easy to manufacture. Stable performance and long service life.

The valve stem includes a gate piston connecting ball, a gate piston connecting rod, a sealing sliding rod, a connecting polygon, and a connecting cylinder; it is characterized in that: a connecting polygon is arranged under the connecting cylinder; the connecting polygon is A sealing rod is arranged under the body; a plug piston connecting rod is arranged under the sealing sealing rod; The radius of the sealing sliding rod is the same, and the radius of the piston connecting rod of the gate is smaller than that of the sealing sliding rod.

The double-tile screw sleeve is a set of the double-tile screw sleeve A and the double-tile screw sleeve B; Hemispherical grooves, semicircular screws, and opposite sides of the semicircle; when the double-tile screw sleeve A and the double-tile screw sleeve B are combined, two semi-cylindrical grooves form a cylindrical hole, and two half-hemispherical grooves form a semi-spherical hole, Two semicircles on opposite sides form a hexagonal opposite side.

The valve body is composed of a valve body upward passage, a left passage of the valve body, a right passage of the valve body, a right passage flange, a left passage flange, a plug door, and a plug door. A plug door and a plug door are arranged between the three-way of the right passage of the valve body; the port of the left passage of the valve body is provided with a left passage flange; the port of the right passage of the valve body is provided with a right passage flange; it is characterized in that: all the The upper passage of the valve body includes a countersunk hole on the valve body, a passage hole on the valve body, an annular convex edge, a positioning projection, a retaining ring groove, and an upper passage step; the through hole on the valve body communicates with the countersunk hole on the valve body. , an upper through step is provided between the through hole on the valve body and the upper through hole on the valve body, and the hole wall of the through hole on the valve body is provided with a retaining ring groove; the upper through hole on the valve body and the upper through step Its function is to install the inner and outer arc surface sealing sleeves. The function of the retaining ring groove is to lock the inner and outer arc surface sealing sleeves in the middle and lower parts of the countersunk hole on the valve body, so as to prevent them from moving up and down; The upper end of the valve is provided with an annular convex edge that protrudes outward, and a downwardly protruding positioning bump is arranged under the annular convex edge; the function of the annular convex edge is to quickly engage the valve cover B and the The grooves of the valve cover A cooperate with each other to lock each other to achieve fast loading and unloading; the function of the positioning bump is to lock the connection position of the quick snap valve cover B, the quick snap valve cover A and the valve body, and not to rotate with the valve body. .

The beneficial effects of the invention are: convenient and quick assembly, quick disassembly, and quick maintenance; improve the use efficiency of the regulating valve; reduce the maintenance cost; improve the service life;

Description of drawings

FIG. 1 is a perspective view of the present invention.

FIG. 2 is a cross-sectional view of the structure of the present invention.

Figure 3 is a side view of the present invention.

FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3 .

FIG. 5 is a cross-sectional view taken along the line B-B in FIG. 3 .

FIG. 6 is a cross-sectional view taken along the line C-C in FIG. 3 .

FIG. 7 is a cross-sectional view taken along the line D-D in FIG. 3 .

FIG. 8 is a front view of the present invention.

FIG. 9 is a cross-sectional view taken along the line E-E of FIG. 8 .

Figure 10 is a structural diagram of the valve stem sliding sleeve.

FIG. 11 is a structural diagram of a quick snap valve cover A and a quick snap valve cover B. FIG.

Figure 12 is a structural diagram of the inner and outer arcuate sealing sleeves.

Fig. 13 is a structural diagram of a valve body.

Fig. 14 is a structural diagram of a valve stem.

Fig. 15 is a structural diagram of a double-wall screw insert.

In the figure, 1. valve body; 101. valve body upward; 1011. annular convex edge; 1012. valve body upper through hole; 1013. valve body upper through hole; 1014. retaining ring groove; 1015. upper step; 102. Left channel of valve body; 103. Positioning bump; 104. Right channel of valve body; 105. Right port flange; 106. Left port flange; Ball head; 202. Gate piston connecting rod; 203. Sealing sliding rod; 204. Connecting polygon; 205. Connecting cylinder; 3. Quick snap valve cover A; 31. Semi-cylindrical body; 32. Semi-circular cover 33. Upper tightening through hole; 34. Lower tightening through hole; 35. Upper tightening screw hole; 36. Lower tightening screw hole; 37. Positioning gap; Flat; 4. Quick snap valve cover B; 5. Stem sliding sleeve; 51. Sliding hole; 52. Upper limit ring; 53. Hexagon; 54. Lower limit ring; 6. Gate plug; 7. Plug door 8. Inner and outer arc surface sealing sleeve; 81. Round sleeve body; 82. Inner arc surface; 83. Outer arc surface; 84. Outer seal groove; 85. Inner seal groove; 86. Middle hole; 11. Outer seal Ring; 12. Inner sealing ring; 13. Retaining ring; 15. Snap bolt; 17. Double-tile threaded insert; 171. Double-tile threaded insert A; 172. Double-tile threaded insert B; .1/2 hemisphere groove; 1703. Semicircle screw; 1704. Semicircle opposite side.

Detailed ways

The present invention will be further described below according to the accompanying drawings and embodiments.

Example 1:

In Figures 1, 2, and 3, a regulating valve that is convenient for quick maintenance includes a valve body (1), a valve stem (2), a quick snap valve cover A (3), and a quick snap valve cover B ( 4), valve stem sliding sleeve (5), gate plug (6), plug door (7), inner and outer arc sealing sleeve (8), outer sealing ring (11), inner sealing ring (12), retaining ring (13) ), snap-fit bolts (15), and double-tile screw sleeves (17); it is characterized in that: the upper end of the valve body (1) is provided with a quick snap valve cover A (3) and a snap snap valve cover B (4) , the quick snap valve cover A (3) and the quick snap valve cover B (4) are two semicircular cover bodies, which can be connected with the valve stem sliding sleeve (5), valve stem (2), valve body (1) , The snap bolts (15) can be assembled and assembled quickly, so as to facilitate the rapid maintenance of the regulating valve.

In Figure 10, Figure 2, Figure 4, Figure 5, Figure 9, the valve stem sliding sleeve (5) includes a sliding hole (51), an upper limit ring (52), a hexagon (53), a lower limit a ring (54); an upper limit ring (52) is arranged on the top of the hexagon (53), and a lower limit ring (54) is arranged below; the upper limit ring (52), the hexagon (53), The center of the lower limit ring (54) is provided with a sliding hole (51);

The function of the valve stem sliding sleeve (5) is to cooperate with the polygonal buckles (39) of the quick snap valve cover B (4) and the quick snap valve cover A (3) to lock each other, so as to fix itself and lubricate itself. The effect of the movement of the valve stem (2).

The material of the valve stem sliding sleeve (5) is copper.

In Figure 11, Figure 2, Figure 3, Figure 4, Figure 5, Figure 6, Figure 9, the quick snap valve cover A (3) consists of a semi-cylindrical body (31) and a semi-circular cover body (32). ; the radius of the semi-cylindrical body (31) is smaller than the radius of the semi-circular cover body (32); the semi-cylindrical body (31) is on the top and the semi-circular cover body (32) is below; The cover body (32) is jointly provided with the same vertical plane (30);

The semi-cylindrical body (31) is provided with an upper tightening and sinking through hole (33), a tightening screw hole (35), and a polygonal buckle (39); the polygonal buckle (39) is arranged on the semi-cylindrical body (31) ), the upper tightening through hole (33) and the tightening screw hole (35) are arranged on the wall of the polygonal buckle (39);

The semicircular cover body (32) is provided with a lower tightening through hole (34), a lower tightening screw hole (36), a positioning notch (37), and a clamping groove (38); the clamping groove (38) is provided in the semicircular cover In the lower part of the arc edge of the body (32), the two side ports of the card slot (38) are provided with positioning notches (37) downward; The hole (34) is provided with a lower tightening screw hole (36) on one side.

In Figure 11, Figure 2, Figure 3, Figure 5, Figure 6, Figure 9, the quick snap valve cover B (4) and the quick snap valve cover A (3) have the same structure, the same material, and the same features, It is used in a complete circle in reverse cooperation with each other; it plays the role of quick assembly and disassembly of the invention.

In Figure 12, Figure 2, Figure 4, Figure 5, Figure 9, the inner and outer arcuate surface sealing sleeve (8) includes a circular sleeve body (81), an inner arcuate surface (82), an outer arcuate surface (83), an outer seal groove (84), an inner seal groove (85), and a middle hole (86); the center of the circular sleeve body (81) is provided with a middle hole (86), and the inner arc of the middle hole (86) The surface (82) is provided with a recessed inner seal groove (85); the outer arc surface (83) of the circular sleeve body (81) is provided with a recessed outer seal groove (84); the inner seal groove ( 85) The inner sealing ring (12) of the device and the valve stem (2) are used to achieve sliding sealing; the outer seal groove (84) is used to realize the static sealing between the outer sealing ring (11) of the device and the valve body (1);

The inner and outer arc surface sealing sleeves (8) are arranged in the counterbore (1012) on the valve body of the valve body (1); its function is to play a sliding seal on the valve stem (2) and a static seal on the valve body ; And it is convenient for quick loading and unloading, simple structure, easy to manufacture, stable performance and long service life.

In Figure 13, Figure 2, Figure 4, Figure 6, Figure 9, the valve body (1) consists of a valve body upward passage (101), a valve body left channel (102), a valve body right channel (104), a right channel (104), and a valve body. It is composed of a through flange (105), a left through flange (106), a plug door (7), and a plug door (107). (104) A plug door (7) and a plug door (107) are arranged between the tee; the port of the left passage (102) of the valve body is provided with a left passage flange (106); the right passage of the valve body (104) ) port is provided with a right through flange (105); it is characterized in that: the valve body upper through hole (101) includes a valve body upper through hole (1012), a valve body upper through hole (1013), an annular raised edge ( 1011), a positioning bump (103), a retaining ring groove (1014), and an upper through step (1015); the upper through hole (1013) of the valve body is communicated with the upper through hole (1012) of the valve body, and the upper through hole (1013) of the valve body is communicated with An upper through step (1015) is arranged between the through hole (1013) and the upper through hole (1012) of the valve body, and the hole wall of the through hole (1012) on the valve body is provided with a retaining ring groove (1014); The function of the upper through counterbore (1012) and upper through step (1015) of the valve body is to install the inner and outer arc surface sealing sleeve (8), the function of the retaining ring groove (1014) is to seal the inner and outer arc surface sealing sleeve (8) ) is locked in the middle and lower part of the counterbore (1012) on the valve body to prevent it from moving up and down;

The upper end of the valve body upper passage (101) is provided with an annular convex edge (1011) flying outward, and a downwardly protruding positioning protrusion (103) is provided under the annular convex edge (1011); the The function of the annular raised edge (1011) is to cooperate with the snap grooves (38) of the quick snap valve cover B (4) and the snap snap valve cover A (3) to lock each other to achieve quick loading and unloading; the positioning bumps ( The function of 103) is to lock the connection positions of the quick snap valve cover B (4), the quick snap valve cover A (3) and the valve body (1), so as not to rotate with the valve body (1).

In FIG. 14 , the valve stem (2) includes a plug piston ball head (201), a plug piston connecting rod (202), a sealing sliding rod (203), a connecting polygon (204), and a connecting cylinder (205); characterized in that: a connection polygon (204) is arranged under the connection cylinder (205); a sealing rod (203) is arranged under the connection polygon (204); the sealing rod (203) A brake plug connecting rod (202) is arranged below; a brake plug piston ball head (201) is arranged under the brake plug connecting rod (202); the sealing sliding rod (203) is finely ground and polished with a grinding machine , the surface roughness is: Ra04-1.6; the radius of the plug piston joint ball (201) is the same as the radius of the sealing slide rod (203), and the radius of the plug piston connection rod (202) is smaller than that of the sealing slide rod (202). The radius of the rod (203).

In FIG. 15 , the double-wall screw insert (17) is a set of double-wall screw insert A (171) and double-wall screw insert B (172); the double-wall screw insert A (171), double-wall screw insert Set B (172) has the same structure and the same material; all have semi-cylindrical grooves (1701), half-hemispherical grooves (1702), half-circle screws (1703), and half-circle opposite sides (1704); When A (171) and double-tile screw sleeve B (172) are combined, the two semi-cylindrical grooves (1701) form a cylindrical hole, the two half-hemispherical grooves (1702) form a semi-spherical hole, and the two semicircular opposite sides ( 1704) Composite hexagon opposite sides.

Embodiment 2:

In Figure 1, Figure 2, Figure 3, Figure 4, a regulating valve that is convenient for quick maintenance includes a valve body (1), a valve stem (2), a quick snap valve cover A (3), and a quick snap valve Cover B (4), valve stem sleeve (5), gate plug (6), plug door (7), inner and outer arc surface sealing sleeve (8), outer sealing ring (11), inner sealing ring (12), stopper Ring (13), snap bolt (15), double-tile screw sleeve (17).

In Fig. 13, the valve body (1) is an inverted T-shaped tee, including a vertical valve body upward passage (101), a valve body left channel (102), a positioning protrusion (103), a valve body right Channel (104), right through flange (105), left through flange (106), plug door (107); the top of the valve body upper through (101) is provided with an annular raised edge (1011), the annular raised edge (1011) is used to connect with the quick snap valve cover A (3) and the quick snap valve cover B (4).

In FIG. 14 , the valve stem (2) includes a plug piston ball head (201), a plug piston connecting rod (202), a sealing sliding rod (203), a connecting polygon (204), and a connecting cylinder (205); characterized in that: a connection polygon (204) is arranged under the connection cylinder (205); a sealing rod (203) is arranged under the connection polygon (204); the sealing rod (203) A brake plug connecting rod (202) is arranged below; a brake plug piston ball head (201) is arranged under the brake plug connecting rod (202); the sealing sliding rod (203) is finely ground and polished with a grinding machine , the surface roughness is: Ra04-1.6; the radius of the plug piston joint ball (201) is the same as the radius of the sealing slide rod (203), and the radius of the plug piston connection rod (202) is smaller than that of the sealing slide rod (202). The radius of the rod (203).

In FIG. 15 , the double-wall screw insert (17) is a set of double-wall screw insert A (171) and double-wall screw insert B (172); the double-wall screw insert A (171), double-wall screw insert Set B (172) has the same structure and the same material; all have semi-cylindrical grooves (1701), half-hemispherical grooves (1702), half-circle screws (1703), and half-circle opposite sides (1704); When A (171) and double-tile screw sleeve B (172) are combined, the two semi-cylindrical grooves (1701) form a cylindrical hole, the two half-hemispherical grooves (1702) form a semi-spherical hole, and the two semicircular opposite sides ( 1704) Composite hexagon opposite sides.

In Figure 2, Figure 4, Figure 9, the plug (6) is installed in the plug door (7) where the upper passage (101) of the valve body, the left passage (102) of the valve body, and the right passage (104) of the valve body meet. In the plug port (107); the conduction amount between the left channel (102) of the valve body and the right channel (104) of the valve body is adjusted by the up and down movement of the gate plug (6).

The gate plug (6) is a hemispherical body, and a counterbore and a screw port movably connected to the valve stem (2) are provided in the middle of the plane of the hemispherical body;

The center of the plug door (7) is provided with a circular plug door (107);

When the plug door (7) and the gate plug (6) are in a matching state, the valve body left channel (102) and the valve body right channel (104) of the valve body (1) are hermetically closed;

Further, a sealing member can be arranged at the plug door (107), which can achieve long-term sealing performance;

The valve rod (2) is installed in the gate plug (6), and the valve rod (2) is locked on the gate plug (6) by the double-wall screw sleeve (17). The surface sealing sleeve (8), the outer sealing ring (11), and the inner sealing ring (12) are connected in a sliding and sealing manner; the upper part of the valve rod (2) is connected with the valve rod sliding sleeve (5); the upper part of the valve rod (2) For connection with control power;

When the valve rod (2) is driven upward by the external control power, the valve rod (2) drives the gate plug (6) to move upward, so that the gate plug (6) and the plug door (7) are pulled apart from each other, so that the plug The passage of the doorway (107) is enlarged, and the up and down movement of the valve stem (2) can be adjusted to realize the conduction, closure and conduction amount of the left passage (102) of the valve body and the right passage (104) of the valve body.

In FIGS. 2 and 11 , the quick snap valve cover A (3) and the quick snap valve cover B (4) are semicircular cover bodies with the same structure, and their structures include a semicircular cover body (32) with a larger diameter , a semi-cylindrical body (31) with a smaller diameter, an upper tightening through hole (33), a lower tightening through hole (34), an upper tightening screw hole (35), a lower tightening screw hole (36), a positioning notch (37) ), card slot (38), polygonal buckle (39), vertical plane (30); one end of the outer body of the polygonal buckle (39) of the fast semi-cylindrical body (31) is provided with an upper tightening through hole (33) ), and one end is provided with a tightening screw hole (35); one end of the outer body of the card slot (38) of the semicircular cover body (32) is provided with a lower tightening through hole (34), and one end is provided with a lower tightening screw hole (36). );

The lower arc edges of the quick snap valve cover A (3) and the quick snap valve cover B (4) are provided with a snap groove (38), and the upper ports are provided with a multi-sided snap button (39);

The quick snap valve cover A (3) and the quick snap valve cover B (4) can be movably and detachably connected; the quick snap valve cover A (3) and the quick snap valve cover B (4) are assembled tightly together When the locking groove (38) cooperates to lock the annular convex edge (1011) of the valve body (1); the polygonal buckle (39) is used to lock the valve stem sliding sleeve (5) and restrict the quick locking of the valve cover A (3), the rotation between the quick snap valve cover B4 and the valve stem sliding sleeve (5); the two ends of the snap groove (38) are provided with positioning gaps (37), and the positioning gaps (37) are used for The positioning protrusions (103) under the matching annular convex edge (1011) are used to limit the rotation between the quick snap valve cover A (3), the quick snap valve cover B (4) and the valve body (1).

The function of the valve stem sliding sleeve (5) is to cooperate with the polygonal buckles (39) of the quick snap valve cover B (4) and the quick snap valve cover A (3) to lock each other, so as to fix itself and lubricate itself. The effect of the movement of the valve stem (2)

In Figure 2, Figure 4, Figure 9, Figure 10, the valve stem sliding sleeve (5) includes a sliding hole (51), an upper limit ring (52), a hexagon (53), and a lower limit ring (54) ; The hexagon (53) is used for positioning with the quick snap valve cover A (3) and the quick snap valve cover B (4), and the roller spool valve stem (2) moves up and down; the upper limit ring ( 52), the lower limit ring (54) is used to cooperate with the polygonal buckles (39) of the quick snap valve cover A (3) and the quick snap valve cover B4, and the function is to prevent the valve stem (2) from engaging with the quick snap valve. The cover A (3) and the quick snap valve cover B (4) generate friction; the two polygonal snaps (39) are combined into an inner hexagon shape; that is, the quick snap valve cover A (3), the quick snap valve In the process of connecting the cover B (4) and the valve body (1), place the valve stem sleeve (5) in one of the polygonal buckles (39) at the same time. After the valve cover B (4) and the valve body (1) are all quickly connected, the valve stem sleeve (5) is sandwiched therein; the upper limit ring (52) and the lower limit ring (54) pass through The cooperation of the hexagon (53) and the two polygonal buckles (39) enables the valve stem sleeve (5) to be combined with the quick snap valve cover A (3), the quick snap valve cover B (4) and the valve. The body (1) is integrated with the valve stem (2), so that the body will not fall off and the valve stem (2) can move freely.

Claims (10)

1. A regulating valve convenient for quick maintenance comprises a valve body (1), a valve rod (2), a quick clamping valve cover A (3), a quick clamping valve cover B (4), a valve rod sliding sleeve (5), a brake plug (6), a plug door (7), inner and outer cambered surface sealing sleeves (8), an outer sealing ring (11), an inner sealing ring (12), a check ring (13), a clamping bolt (15) and a double-tile screw sleeve (17); the method is characterized in that: the quick-acting valve is characterized in that the upper end of the valve body (1) is provided with a quick clamping valve cover A (3) and a quick clamping valve cover B (4), the quick clamping valve cover A (3) and the quick clamping valve cover B (4) are two semicircular cover bodies and can be assembled with the valve rod sliding sleeve (5), the valve rod (2), the valve body (1) and the clamping bolt (15) in a quick combination mode, and the purpose of facilitating quick maintenance of the regulating valve is achieved.

2. A quick service regulator valve as claimed in claim 1, wherein: the valve rod sliding sleeve (5) comprises a sliding hole (51), an upper limiting ring (52), a hexagonal body (53) and a lower limiting ring (54); an upper limit ring (52) is arranged on the hexagonal body (53), and a lower limit ring (54) is arranged below the hexagonal body; the centers of the upper limiting ring (52), the hexagonal body (53) and the lower limiting ring (54) are provided with a sliding hole (51).

3. A quick service regulator valve as defined in claim 1 in which: the quick clamping valve cover A (3) consists of a semi-cylinder body (31) and a semi-circular cover body (32); the radius of the semi-cylinder body (31) is smaller than that of the semi-circular cover body (32); the semi-cylinder body (31) is arranged at the upper part, and the semi-circular cover body (32) is arranged at the lower part; the semi-cylinder body (31) and the semi-circular cover body (32) are provided with the same vertical plane (30) together.

4. A quick service regulator valve as claimed in claim 1 or 3, wherein: the semi-cylinder body (31) is provided with an upper sunken through hole (33), an upper screwed hole (35) and a polygonal buckle (39); the polygonal buckle (39) is arranged at the upper end part of the semi-cylinder body (31), and the upper deep through hole (33) and the upper screw hole (35) are arranged on the wall body of the polygonal buckle (39).

5. A quick service regulating valve according to claim 1 or 3, wherein: the semicircular cover body (32) is provided with a lower fastening sinking through hole (34), a lower fastening screw hole (36), a positioning notch (37) and a clamping groove (38); the clamping groove (38) is arranged at the lower part of the arc edge of the semicircular cover body (32), and positioning notches (37) are arranged at the two side ports of the clamping groove (38) downwards; the ports of two sides of the clamping groove (38) are outward, one side of the clamping groove is provided with a downward tight sinking through hole (34), and the other side of the clamping groove is provided with a downward tight screw hole (36).

6. A quick service regulator valve as claimed in claim 1 or 3, wherein: the quick clamping valve cover B (4) and the quick clamping valve cover A (3) are the same in structure, material and characteristic, and are reversely matched with each other to form a whole circle for use; the invention has the function of fast assembling, disassembling and assembling.

7. A quick service regulator valve as defined in claim 1 in which: the inner cambered surface and outer cambered surface sealing sleeve (8) comprises a round sleeve body (81), an inner cambered surface (82), an outer cambered surface (83), an outer sealing piece groove (84), an inner sealing piece groove (85) and a middle hole (86); a middle hole (86) is formed in the center of the round sleeve body (81), and a concave inner sealing piece groove (85) is formed in the inner arc surface (82) of the middle hole (86); the outer cambered surface (83) of the round sleeve body (81) is provided with a concave outer seal piece groove (84).

8. A quick service regulator valve as claimed in claim 1 or 7, wherein: the inner cambered surface sealing sleeve and the outer cambered surface sealing sleeve (8) are arranged in a valve body upper through counter bore (1012) of the valve body (1); the valve rod (2) is in sliding seal and the valve body is in static seal; and the quick assembly and disassembly of being convenient for, the structure is simple and easy, easy manufacturing, stable performance, long service life.

9. A quick service regulator valve as claimed in claim 1 or 3, wherein: the valve body (1) consists of a valve body upper through hole (101), a valve body left channel (102), a valve body right channel (104), a right through flange (105), a left through flange (106), a plug (7) and a plug opening (107), and the plug (7) and the plug opening (107) are arranged among three ways of the valve body upper through hole (101), the valve body left channel (102) and the valve body right channel (104); a left through flange (106) is arranged at the port of the valve body left channel (102); a right through flange (105) is arranged at the port of the valve body right channel (104); the valve body upper through hole (101) comprises a valve body upper through counter bore (1012), a valve body upper through hole (1013), an annular convex edge (1011), a positioning lug (103), a retainer groove (1014) and an upper through step (1015); the valve body is provided with a through hole (1013) communicated with a through counter bore (1012), an upper through step (1015) is arranged between the through hole (1013) and the through counter bore (1012), and a retainer groove (1014) is arranged on the hole wall of the through counter bore (1012).

10. A quick service regulator valve as claimed in claim 1 or 9 in which: the upper end of the valve body upper channel (101) is provided with an annular convex edge (1011) which flies outwards, and a positioning lug (103) which protrudes downwards is arranged below the annular convex edge (1011).

Images