A mechanically adjustable flow valve core

Abstract

The present invention relates to a mechanical adjustable flow valve core, comprising a main body seat and a base butt-connected together, a valve cavity is formed between the main body seat and the base, a water inlet hole is arranged on the side wall of the base and a water outlet hole is arranged on the bottom, both the water inlet hole and the water outlet hole are connected with the valve cavity, an adjusting member which can rotate circumferentially around the central axis of the main body seat is arranged on the main body seat, an adjusting hole is arranged on the side wall of the adjusting member corresponding to the water inlet hole, and the adjusting member rotates circumferentially around the central axis of the main body seat to adjust the overlapping degree of the water inlet hole and the adjusting hole; the advantage of the present invention is that it provides a mechanical adjustable flow valve core which is different from the existing structure and can realize precise flow adjustment.

Description

Technical Field

[0001] The invention relates to a mechanical flow-adjustable valve core. Background Art

[0002] In a Chinese patent document with publication number CN110848398A and invention name "A Mechanically Adjustable Flow Valve Core", a push-knob type adjustable flow valve core structure is disclosed, wherein, in order to achieve adjustable flow, the upper valve body is rotated to move the adjusting part and the mounting part downward, thereby controlling the distance between the partition and the water outlet to adjust the flow. Summary of the invention

[0003] The purpose of the present invention is to provide a mechanically adjustable flow valve core which is different from the existing structure.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] A mechanical adjustable flow valve core comprises a main body seat and a base butt-connected together, a valve cavity is formed between the main body seat and the base, a water inlet hole is arranged on the side wall of the base and a water outlet hole is arranged on the bottom, both the water inlet hole and the water outlet hole are connected to the valve cavity, an adjusting member capable of circumferentially rotating around the central axis of the main body seat is arranged on the main body seat, an adjusting hole is arranged on the side wall of the adjusting member corresponding to the water inlet hole, and the adjusting member rotates circumferentially around the central axis of the main body seat to adjust the overlapping degree of the water inlet hole and the adjusting hole.

[0006] The advantage of the present invention is that it provides a mechanically adjustable flow valve core which is different from the existing structure and can achieve precise flow adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the overall structure of a mechanically adjustable flow valve core in an embodiment.

[0008] Figure 2 It is a schematic diagram of the overall exploded state structure of a mechanical adjustable flow valve core in an embodiment.

[0009] Figure 3 It is a front cross-sectional view of a mechanically adjustable flow valve core in the embodiment.

[0010] Figure 4 It is a schematic diagram of the overall structure of a regulating member of a mechanically adjustable flow valve core in an embodiment.

[0011] Figure 5 It is a schematic diagram of the overall structure of a base of a mechanically adjustable flow valve core in an embodiment.

[0012] Figure 6 It is a schematic diagram of the overall structure of a fixing part of a mechanically adjustable flow valve core in an embodiment.

[0013] Figure 7 It is a schematic diagram of the overall structure of a water sealing component of a mechanically adjustable flow valve core in an embodiment.

[0014] Figure 8 It is a top view schematic diagram of a mechanically adjustable flow valve core in an embodiment.

[0015] 1. Pressing piece;

[0016] 2. Adjustment member; 21. Adjustment hole; 22. Mounting member; 221. Plug pin; 23. Positioning piece; 231. Positioning convex;

[0017] 3. Fixing piece; 31. Insertion cavity; 32. Positioning rib;

[0018] 4. Sealing sheet; 41. Sealing boss;

[0019] 5. Water sealing part; 51. Water sealing part; 52. Fixing part; 53. Deformation part; 54. Groove;

[0020] 6. Main body seat; 61. Hook; 611. Hook piece; 6111. Hook foot; 62. Stopper; 63. Fixing convex;

[0021] 7. Base; 71. Water inlet; 72. Buckle position; 721. Limiting protrusion; 722. Accommodating cavity; 73. Fixing cavity; 74. Water outlet;

[0022] 8. Control axis;

[0023] 9. Rotating parts. DETAILED DESCRIPTION

[0024] A mechanical adjustable flow valve core includes a main body seat 6 and a base 7 that are butt-connected together, a valve cavity is formed between the main body seat 6 and the base 7, a water inlet hole 71 is provided on the side wall of the base 7 and a water outlet hole 74 is provided on the bottom, the water inlet hole 71 and the water outlet hole 74 are both connected to the valve cavity, an adjusting member 2 that can rotate circumferentially around the central axis of the main body seat 6 is provided on the main body seat 6, an adjusting hole 21 is provided on the side wall of the adjusting member 2 corresponding to the water inlet hole 71, and the adjusting member 2 rotates circumferentially around the central axis of the main body seat 6 to adjust the overlapping degree of the water inlet hole 71 and the adjusting hole 21.

[0025] An inner cylinder wall is provided at the bottom of the inner cavity of the base 7 and extends upward along the axial direction. A plug-in groove is formed between the side wall of the base 7 and the inner cylinder wall. The inner cylinder wall is provided with a water hole corresponding to the water inlet hole. The lower end of the adjustment member 2 passes through the end of the main body seat 6 away from the docking with the base 7 and extends out of the main body seat 6 to be plugged into the plug-in groove.

[0026] There are several groups of adjustment holes 21, and each group of adjustment holes 21 is evenly spaced and distributed on the same circumference rotating around the central axis of the base 7; the upper end of the adjustment member 2 is sleeved with a positioning piece 23, and the positioning piece 23 is provided with a positioning protrusion 231 along the radial direction, and the main body seat 6 is provided with a blocking block 62 for resisting the positioning protrusion 231 so that the adjustment member 2 can only rotate within a limited range; during the rotation of the adjustment member 2 in the limited range along the clockwise or counterclockwise direction, the overlap between the water inlet hole 71 and the adjustment hole 21 changes from large to small or from small to large. There can be two groups of adjustment holes 21, and there are two groups of adjustment holes in total, and the circumferential angle of each group of adjustment holes is within 45 degrees or within 90 degrees; the limited range is that the circumferential angle corresponds to the circumferential angle of the adjustment hole within 90 degrees or within 180 degrees. Taking the example that the circumferential angle of each group of adjustment holes 21 is equal to 45 degrees, that is, as shown in the attached figure, the limited range is that the circumferential angle is 90 degrees. When the circumferential angle of each group of adjustment holes 21 is less than 45 degrees, the limited range is that the circumferential angle can be 90 degrees or less than 90 degrees; taking the example that the circumferential angle of each group of adjustment holes 21 is equal to 90 degrees, the limited range is that the circumferential angle is 180 degrees. Similarly, when the circumferential angle of each group of adjustment holes 21 is less than 90 degrees, the limited range is that the circumferential angle can be 180 degrees or less than 180 degrees.

[0027] The width of each of the adjustment holes gradually increases or decreases along the circumferential direction, thereby achieving the purpose of more precise flow adjustment when adjusting the flow.

[0028] The lower end of the main body seat 6 is extended downward to be provided with a plurality of fixing protrusions 63 and a plurality of hooks 61, and the fixing protrusions 63 and the hooks 61 are evenly spaced and distributed on the same circumference rotating around the central axis of the main body seat. The base 7 is provided with a buckle position 72 corresponding to the hook 61, and the base 7 is provided with a fixing cavity 73 corresponding to the fixing protrusion 63. When the main body seat 6 and the base 7 are formed into one body by buckling the buckle position 72 with the hook 61, the fixing protrusion 63 is pressed against the fixing cavity 73.

[0029] The hook 61 includes at least two hook parts 611, the hook parts 611 are in the shape of an inverted 7, a gap is provided between the two hook parts 611, and a hook foot 6111 is provided at the lower part of the hook 61. The hook foot 6111 extends along the center of the hook 61 and the peripheral wall of the adjusting member 2 toward the left and right sides respectively, and the thickness of the hook foot 6111 decreases from the center of the hook 61 to the left and right sides; the top surface of the buckle position 72 is open, and the inner cavity of the buckle position 72 is provided with a accommodating cavity 722 and two limiting protrusions 721, and the limiting protrusions 721 are respectively located on the left and right inner walls of the buckle position 72 On the surface, the accommodating cavity 722 is located below the limiting protrusion 721, the width of the accommodating cavity 722 is consistent with the width of the hook 61, and the height of the accommodating cavity 722 is consistent with the height of the hook foot 6111. The hook foot 6111 that squeezes the hook 61 is deformed so that it passes between the two limiting protrusions 721 and reaches the accommodating cavity 722 to restore its original state. The hook foot 6111 is fixed in the accommodating cavity 722 and the hook foot 6111 is against the bottom of the limiting protrusion 721. The main body seat 6 and the base 7 are formed into a whole through the hook 61 buckling the buckle position 72.

[0030] A push switch device is arranged in the valve cavity, and the push switch device includes a water sealing component 5 and a control shaft 8; the water sealing component 5 is made of elastic colloid material and is installed in the valve cavity and arranged corresponding to the water outlet hole 74, the water sealing component 5 is provided with a connecting hole and a pressure relief hole, and the control shaft 8 can move axially along the valve body to insert into or detach from the connecting hole. When the control shaft 8 is inserted into the connecting hole, the water sealing component 5 moves downward and deforms to close the water outlet hole 74. When the control shaft 8 detaches from the connecting hole, the water sealing component 5 opens the water outlet hole 74.

[0031] A fixing part 3 is arranged in the valve cavity; the water sealing part 5 is composed of a water sealing portion 51, a fixing portion 52 and a deformation portion 53; the water sealing portion 51 is located in the middle of the fixing portion 52 and is connected to the fixing portion 52 through the deformation portion 53; the fixing portion 52 is fixed in the valve cavity by the fixing part 3 and the inner cylinder wall; the communicating hole is arranged on the water sealing portion 51, and the pressure relief hole is arranged on the deformation portion 53; the water sealing portion 51 is sleeved with a balancing spring, one end of the balancing spring abuts against the side of the water sealing portion 51 and the other end abuts against the fixing part 3.

[0032] The fixing member 3 is in the shape of an inverted cup, and a plug-in hole is formed at the bottom of the cup of the fixing member 3. A sealing sheet 4 is provided on the fixing member 3, and a sealing boss 41 is formed in the middle of the sealing sheet 4, and the sealing boss 41 is inserted into the plug-in hole; a butt platform is formed on the inner wall of the adjusting member 2, and a mounting member 22 is provided between the butt platform and the fixing member 3, and a plurality of plug-in pins 221 are provided at downwardly extending lower ends of the mounting member 22, and the plug-in pins 221 are evenly spaced and distributed on the same circumference rotating around the central axis of the mounting member 22, and a plug-in cavity 31 corresponding to the plug-in pin 221 is provided on the fixing member 3, and the plug-in pin 221 is plugged into the corresponding plug-in cavity 31.

[0033] The outer peripheral wall of the fixing member 3 is provided with a plurality of positioning ribs 32 extending along the axial direction and protruding out of the bottom end surface of the fixing member 3, and the outer peripheral wall of the water sealing member 5 is provided with grooves 54 for the positioning ribs 32 to be clamped. After the fixing member 3 and the water sealing member 5 are installed, the positioning ribs 32 are correspondingly clamped in the grooves 54 to prevent the fixing member 3 and the water sealing member 5 from rotating relative to the circumferential direction.

[0034] The upper end surface of the mounting member 22 is provided with a pit; the valve core also includes a pressing member 1, a rotating member 9 and a spring. The pressing member 1 has sharp teeth, a first guide protrusion protruding radially outward, and a second guide groove concave radially inward. The lower end of the rotating member 9 has a rotating protrusion, and one end of the rotating protrusion has a sharp corner. The inner cavity of the adjusting member 2 has a first ramp, a second ramp, a first guide groove concave radially outward, and a second guide protrusion protruding radially inward; the control shaft 8 has a convex portion; the pressing member 1 is in the adjusting member 2 and the upper end thereof extends out of the inner cavity of the adjusting member 2, the first guide protrusion is in the first guide groove, the second guide protrusion is in the second guide groove, the rotating member 9 is below the pressing member 1, and the upper end of the control shaft 8 supports the rotating member 9 to control The lower end of the control shaft 8 passes through the mounting member 22 and the sealing sheet 4 in sequence and enters the inner cavity of the fixing member 3. The spring is between the recess of the mounting member 22 and the pressing member 1 and is sleeved on the control shaft 8. The pressing member 1 is pressed downward to move the rotating member 9 downward, the spring is compressed, the rotating member 9 rotates, the rotating protrusion slides out of the first guide groove, the pointed corner rotates to the bottom of the first ramp, and the rotating member 9 moves downward while the control shaft 8 moves downward to be inserted into the connecting hole. The pressing member 1 is pressed downward again to make the rotating member 9 continue to move downward, and the rotating member 9 rotates again. The pointed corner rotates along the second ramp to the first guide groove, the rotating protrusion slides back into the first guide groove, the spring stretches, and the control shaft 8 moves upward and disengages from the connecting hole.

[0035] The above embodiments are preferred implementations of the present invention, but the implementations of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention are equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A mechanical adjustable flow valve core, comprising a body seat and a base connected together, a valve cavity is formed between the body seat and the base, a water inlet hole is arranged on the side wall of the base and a water outlet hole is arranged on the bottom, the water inlet hole and the water outlet hole are both connected to the valve cavity, characterized in that: The main body seat is provided with an adjusting member that can rotate circumferentially around the central axis of the main body seat, and an adjusting hole is provided on the side wall of the adjusting member corresponding to the water inlet hole, and the adjusting member rotates circumferentially around the central axis of the main body seat to adjust the overlapping degree of the water inlet hole and the adjusting hole; the bottom of the inner cavity of the base is provided with an inner cylinder wall extending upward along the axial direction, and a plug-in groove is formed between the side wall of the base and the inner cylinder wall, and the inner cylinder wall is provided with a water through hole corresponding to the water inlet hole; the lower end of the adjusting member passes through the end of the main body seat away from the docking with the base and extends out of the main body seat to be plugged into the plug-in groove; a plurality of fixing protrusions and a plurality of hooks are extended downward from the lower end of the main body seat, and each fixing protrusion and each hook are evenly spaced and distributed on the same circumference rotating with the central axis of the main body seat, the base is provided with a buckle position corresponding to the hook, and the base is provided with a fixing cavity corresponding to the fixing protrusion, and when the main body seat and the base are connected to the buckle position by the hook, the fixing protrusion is pressed against the fixing cavity; the hook The invention comprises at least two hook buckles, the shape of which is an inverted 7-shaped hook buckle, a gap is provided in the middle of the two hook buckles, and a hook buckle foot is provided at the lower part of the hook buckle, the hook buckle foot extends and is distributed along the center of the hook buckle and the peripheral wall of the adjusting member toward the left and right sides respectively, and the thickness of the hook buckle foot decreases from the center of the hook buckle to the left and right sides; the top surface of the buckle position is an opening, the inner cavity of the buckle position is provided with a accommodating cavity and two limiting protrusions, the limiting protrusions are respectively located on the left and right inner wall surfaces of the buckle position, the accommodating cavity is located below the limiting protrusion, the width of the accommodating cavity is consistent with the width of the hook buckle, the height of the accommodating cavity is consistent with the height of the hook buckle foot, the hook buckle foot that squeezes the hook buckle is deformed so that it passes through the middle of the two limiting protrusions to reach the accommodating cavity and restores its original state; the hook buckle foot is fixed in the accommodating cavity and the hook buckle foot is pressed against the bottom of the limiting protrusion when the main body seat and the base are formed into one through the hook buckle buckle buckle position.

2. A mechanically adjustable flow valve core according to claim 1, characterized in that: There are several groups of adjusting holes, and each group of adjusting holes is evenly spaced and distributed on the same circumference rotating with the central axis of the base; a positioning plate is sleeved on the upper end of the adjusting member, and a positioning protrusion is arranged on the positioning plate along the radial direction, and a blocking block is arranged on the main body seat to resist the positioning protrusion so that the adjusting member can only rotate within a limited range; when the adjusting member rotates clockwise or counterclockwise within the limited range, the overlapping degree of the water inlet hole and the adjusting hole changes from large to small or from small to large.

3. A mechanically adjustable flow valve core according to claim 2, characterized in that: There are two groups of adjustment holes, and the circumferential angle of each group of adjustment holes is within 45 degrees or within 90 degrees. The limited range is that the circumferential angle of the corresponding adjustment hole is within 90 degrees or within 180 degrees.

4. A mechanically adjustable flow valve core according to claim 3, characterized in that: The width of the adjustment hole gradually increases or decreases along the circumferential direction.

5. A mechanically adjustable flow valve core according to any one of claims 1 to 4, characterized in that: A push switch device is arranged in the valve cavity, and the push switch device includes a water sealing part and a control shaft; the water sealing part is made of elastic colloid material and is installed in the valve cavity and arranged corresponding to the water outlet hole, the water sealing part is provided with a connecting hole and a pressure relief hole, and the control shaft can be moved along the axial direction of the valve body to be inserted into or detached from the connecting hole. When the control shaft is inserted into the connecting hole, the water sealing part moves downward and deforms to close the water outlet hole. When the control shaft detaches from the connecting hole, the water sealing part opens the water outlet hole.

6. A mechanically adjustable flow valve core according to claim 5, characterized in that: A fixing part is arranged in the valve cavity; the water sealing part is composed of a water sealing portion, a fixing portion and a deformation portion, the water sealing portion is located in the middle of the fixing portion and is connected to the fixing portion through the deformation portion, the fixing portion is fixed in the valve cavity by the fixing part and the inner cylinder wall, the communicating hole is arranged on the water sealing portion, and the pressure relief hole is arranged on the deformation portion; a balancing spring is sleeved on the water sealing portion, one end of the balancing spring abuts against the side surface of the water sealing portion and the other end abuts against the fixing part.

7. A mechanically adjustable flow valve core according to claim 6, characterized in that: The fixing piece is an inverted cup-shaped body, a plug-in hole is formed at the bottom of the cup of the fixing piece, a sealing sheet is arranged on the fixing piece, a sealing boss is formed in the middle of the sealing sheet, and the sealing boss is inserted into the plug-in hole; an abutment platform is formed on the inner wall of the adjusting piece, a mounting piece is arranged between the abutment platform and the fixing piece, a plurality of plug-in pins are extended downward from the lower end of the mounting piece, and the plug-in pins are evenly spaced and distributed on the same circumference rotating with the central axis of the mounting piece, and a plug-in cavity corresponding to the plug-in pin is arranged on the fixing piece, and the plug-in pin is plugged into the corresponding The plug-in cavity of the mounting member is provided with a pit on the upper end surface; the valve core also includes a pressing member, a rotating member and a spring, the pressing member has sharp teeth, a first guide protrusion protruding radially outward, and a second guide groove concave radially inward, the lower end of the rotating member has a rotating protrusion, and one end of the rotating protrusion has a sharp corner, the inner cavity of the regulating member has a first ramp, a second ramp, a first guide groove concave radially outward, and a second guide protrusion protruding radially inward; the control shaft has a convex portion; the pressing member is in the regulating member and the upper end The first guide protrusion extends out of the inner cavity of the adjusting member, the first guide protrusion is in the first guide groove, the second guide protrusion is in the second guide groove, the rotating member is under the pressing member, the upper end of the control shaft supports the rotating member, and the lower end of the control shaft passes through the mounting member and the sealing sheet in sequence and enters the inner cavity of the fixing member, the spring is between the recessed pit of the mounting member and the pressing member and is sleeved on the control shaft; the pressing member is pressed down to make the rotating member move downward, the spring is compressed, the rotating member rotates, the rotating protrusion slides out of the first guide groove, the pointed corner rotates to the bottom of the first ramp, and the rotating member moves downward while making the control shaft move downward to insert into the connecting hole; the pressing member is pressed down again to make the rotating member continue to move downward, the rotating member rotates again, the pointed corner rotates along the second ramp to the first guide groove, the rotating protrusion slides back into the first guide groove, the spring stretches, and the control shaft moves up and disengages from the connecting hole.

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