Regulating valve convenient to mount and dismount

Abstract

The invention relates to the related technical field of valves, in particular to a regulating valve convenient to mount and demount, which comprises a valve body, a valve core, a valve handle, a first-stage connecting piece and a second-stage connecting piece, a first-stage pipeline connecting port is integrally formed at the left side end of a valve cavity of the valve body, and a second-stage pipeline connecting port is integrally formed at the right side end of the valve cavity of the valve body; annular limiting seats are fixedly welded to the end opening positions of the first-stage pipeline connecting opening and the second-stage pipeline connecting opening correspondingly, the valve element is arranged in a valve cavity of the valve body, and the valve handle is installed on the valve body. The regulating valve convenient to mount and dismount is formed by combining the valve body, the valve element, the valve handle, the first-stage connecting piece and the second-stage connecting piece, and the first-stage pipeline connecting port and the second-stage pipeline connecting port in the valve body are in butt joint with the first-stage pipeline and the second-stage pipeline respectively through the first-stage connecting piece and the second-stage connecting piece; compared with traditional insertion interference fit, the connection mode is more convenient to disassemble, and therefore workers can overhaul and maintain the valve structure conveniently.

Description

Technical Field

[0001] The present invention relates to the technical field of valves, and in particular to a regulating valve which is easy to install and disassemble. Background Art

[0002] A regulating valve is a valve used to adjust process parameters such as medium flow, pressure, temperature, liquid level, etc. in the field of industrial automation process control. It automatically adjusts the valve opening according to the control signal in the automation system, thereby achieving the regulation of medium flow, pressure, temperature and liquid level. The existing Chinese patent document with announcement number CN109538801B discloses a high-performance regulating valve, which includes a valve body, pipes are arranged on both sides of the valve body, two ends of the valve body are welded with a vertically arranged first annular plate, a side wall of the pipe close to the valve body is welded with a vertically arranged second annular plate, a sealing sleeve is sleeved on the outside of the pipe, a side wall of one side of the first annular plate is provided with a first through hole, a side wall of one side of the first through hole is provided with a first groove, a fixing mechanism is arranged inside the first groove, the fixing mechanism includes a slide plate slidably connected between the side walls of both sides of the first groove, a fixing plate of a conical structure is welded on one side wall of the slide plate, a spring connected to the side wall of the first groove is installed on the side wall of the slide plate away from the fixing plate, a support rod is welded in the middle of the side wall of the slide plate away from the fixing plate, an end of the support rod extends to the outside of the first groove away from the slide plate and a push plate is welded, a symmetrically arranged second groove is provided on the side wall of the first annular plate, and a latch is arranged inside the second groove; However, in the above scheme, the valve body and the pipeline are connected by a sleeve connection. Although this method is convenient for installation, it is troublesome to disassemble because it uses an interference fit method for insertion. Therefore, the present invention proposes a regulating valve that is easy to install and disassemble to solve the above problem. Summary of the invention

[0003] The object of the present invention is to provide a regulating valve that is easy to install and disassemble, so as to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a regulating valve that is easy to install and disassemble, comprising: A valve body, wherein a primary pipeline connection port is integrally formed at the left end of the valve cavity of the valve body, and a secondary pipeline connection port is integrally formed at the right end of the valve cavity of the valve body, and an annular limit seat is fixedly welded at the port position of the primary pipeline connection port and the secondary pipeline connection port; A valve core, wherein the valve core is arranged in a valve cavity of the valve body; A valve handle, wherein the valve handle is mounted on the valve body and the valve core is driven by the valve handle; A primary connecting piece, wherein the primary connecting piece is sleeved on the primary pipe connecting port, and the primary pipe connecting port is connected to the primary pipe via the primary connecting piece; A secondary connecting piece is sleeved on the secondary pipeline connecting port, and the secondary pipeline connecting port is connected to the secondary pipeline through the secondary connecting piece.

[0005] Preferably, a sealing groove is provided on the outer end surface of the annular limit seat, a sealing ring is padded in the sealing groove, the cross-section of the primary connecting piece is L-shaped, and the primary connecting piece is threadedly connected to the primary pipe, and when the primary connecting piece is actually tightened, the primary connecting piece abuts against the annular limit seat, and the sealing ring abuts against the end surface of the primary pipe, and at this time, when the sealing ring is in a compressed state, the connection method of the secondary pipe is the same as the connection method of the primary pipe, and the outer contours of the primary connecting piece and the secondary connecting piece are both regular hexagons.

[0006] Preferably, the inner end surface of the primary connecting member is connected to a primary limiting ring, and the inner end surface of the secondary connecting member is connected to a secondary limiting ring. The inner end surfaces of the primary limiting ring and the secondary limiting ring are both provided with self-locking holes, and the self-locking holes on the primary limiting ring and the secondary limiting ring are evenly arranged in a circle. The lower end surface of the valve body is integrally formed with a mounting seat, and the left end of the mounting seat is provided with a primary mounting hole, and a secondary mounting hole is penetrated through the bottom of the primary mounting hole, and a self-locking mechanism is installed in the primary mounting hole and the secondary mounting hole.

[0007] Preferably, the self-locking mechanism includes a primary support column, a secondary support column and a support spring, the inner end surface of the primary support column is provided with a movable groove, the secondary support column is movably arranged in the movable groove, and the inner end surface of the secondary support column is provided with a spring groove, the support spring is movably arranged in the spring groove and the movable groove, the outer end of the primary support column is integrally formed with a primary self-locking column, and the outer end of the secondary support column is integrally formed with a secondary self-locking column, when the primary connecting member and the secondary connecting member are actually tightened and the support spring is in a reset state, the primary self-locking column and the secondary self-locking column are respectively embedded in the self-locking holes on the primary limiting ring and the secondary limiting ring.

[0008] Preferably, the inner end faces of the primary connecting member and the secondary connecting member are provided with adjustment grooves, and the adjustment grooves are arc grooves. The outer end faces of the primary limiting ring and the secondary limiting ring are integrally formed with adjustment columns, and the adjustment columns are arranged corresponding to the adjustment grooves, and the adjustment columns are movably arranged in the adjustment grooves.

[0009] Preferably, thirty-six self-locking holes on the primary limiting ring and the secondary limiting ring are arranged on an even circumference, six adjusting columns and adjusting grooves are arranged on an even circumference, the adjusting column is a cylindrical rod, the arc angle of the adjusting groove is ten degrees, the primary limiting ring and the secondary limiting ring are both rotatably mounted on the pipe connection port, and the adjusting groove limits the rotation range of the primary limiting ring and the secondary limiting ring, the end of the adjusting column is fixedly glued with a magnet sheet, and the primary connecting piece and the secondary connecting piece are both cast from ferromagnetic material.

[0010] Preferably, an open groove is provided on the lower side of the first-level mounting hole, a guide groove is provided on the lower side of the movable groove, a first-level push block is integrally formed on the first-level support column at the edge of the guide groove, a guide block is integrally formed on the side wall of the second-level support column, the guide block is movably arranged in the guide groove, a second-level push block is integrally formed on the guide block, the first-level push block and the second-level push block are both movably arranged in the open groove, and when the support spring is in a reset state, the guide block does not detach from the guide groove.

[0011] Preferably, when the primary push block and the secondary push block are pushed to a flush state, and the primary connecting piece and the secondary connecting piece are completely unscrewed from the secondary connecting piece and the secondary pipe respectively, the primary self-locking column, the secondary self-locking column and the self-locking holes on the primary limiting ring and the secondary limiting ring are all in a disengaged state.

[0012] Preferably, a snap-fit ​​groove is provided on the side wall of the guide block, and a snap-fit ​​protrusion is integrally formed on the side wall of the first-level push block, the snap-fit ​​protrusion and the snap-fit ​​groove are arranged opposite to each other, when the first-level push block is aligned with the second-level push block, the snap-fit ​​protrusion is aligned with the snap-fit ​​groove, and when the first-level push block and the second-level push block are in contact with each other, the snap-fit ​​protrusion is embedded in the snap-fit ​​groove, the thickness of the guide block is smaller than the width of the guide groove, and when the first-level push block and the second-level push block are pushed to both sides of the open groove respectively, a gap is left between the snap-fit ​​protrusion and the guide block, the snap-fit ​​protrusion is a magnet block, and the guide block is cast from ferromagnetic material.

[0013] Preferably, an anti-skid groove is provided on the side wall of the secondary mounting hole, and an anti-skid rubber ring is embedded in the anti-skid groove. When the secondary supporting column is actually installed, the anti-skid rubber ring is in a compressed state.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting a regulating valve which is easy to install and disassemble and is composed of a valve body, a valve core, a valve handle, a primary connector and a secondary connector, and connecting the primary pipeline connection port and the secondary pipeline connection port on the valve body with the primary pipeline and the secondary pipeline respectively through the primary connector and the secondary connector, this connection method is more convenient when disassembling than the interference fit of the traditional plug-in, so that it is convenient for the staff to inspect and maintain the valve structure; 2. A self-locking mechanism composed of a primary support column, a secondary support column and a support spring is arranged on the mounting seat of the valve body, and a primary limiting ring and a secondary limiting ring are arranged on the inner end faces of the primary connecting piece and the secondary connecting piece, and self-locking holes are opened on the primary limiting ring and the secondary limiting ring, and a primary self-locking column and a secondary self-locking column are arranged on the end faces of the primary supporting column and the secondary supporting column respectively, so that the primary connecting piece and the secondary connecting piece are locked by the self-locking mechanism, thereby ensuring the installation stability of the valve; 3. By opening adjustment grooves on the inner end faces of the primary and secondary connectors, and setting adjustment columns on the outer end faces of the primary and secondary limit rings, and setting the adjustment grooves as arc notches, the primary and secondary limit rings can be fine-tuned within a small angle, thereby ensuring that when the primary and secondary connectors are screwed to any angle, the self-locking columns can be inserted into the self-locking holes in a aligned manner, thereby further improving the ease of use of the self-locking mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a lower side view of the present invention; Figure 3 for Figure 2 A schematic diagram of the structure enlargement in the middle; Figure 4 A half-section view of the present invention; Figure 5 for Figure 4 A magnified schematic diagram of the structure at B in the middle; Figure 6 for Figure 4 A magnified schematic diagram of the structure at C in the middle; Figure 7 for Figure 4 A magnified schematic diagram of the structure at K in the middle; Figure 8 This is a schematic diagram of the mounting seat structure of the present invention; Fig. 9 for Figure 8 A magnified schematic diagram of the structure at D in the middle; Fig.10 for Figure 8 The enlarged schematic diagram of the structure at E in the middle; Fig.11 This is a schematic diagram of the structure of the primary connecting piece of the present invention; Fig.12 It is a half-section view of the primary connecting member of the present invention; Fig.13 This is a schematic diagram of the structure of the primary limiting ring of the present invention; Fig.14 for Fig.13 The enlarged schematic diagram of the structure at F in the middle; Fig.15 This is a schematic diagram of the distribution of self-locking holes in the present invention; Fig.16 This is a schematic diagram of the connection between the primary support column and the secondary support column of the present invention; Fig.17 for Fig.16 A magnified schematic diagram of the structure at G in the middle; Fig.18 It is a side view of the present invention; Fig.19 for Fig.18 Enlarged schematic diagram of the structure at H in the middle.

[0016] In the figure: valve body 1, valve handle 2, primary pipeline connection port 3, secondary pipeline connection port 4, primary connecting piece 5, primary pipeline 6, secondary connecting piece 7, secondary pipeline 8, annular limit seat 9, sealing groove 10, sealing ring 11, primary limit ring 12, self-locking hole 13, mounting seat 14, primary mounting hole 15, secondary mounting hole 16, self-locking mechanism 17, primary support column 18, secondary support column 19, support spring 20, movable groove 21, spring groove 22, primary self-locking column 23, secondary self-locking column 24, adjusting groove 25, adjusting column 26, magnet sheet 27, opening groove 28, guide groove 29, primary push block 30, guide block 31, secondary push block 32, engaging groove 33, engaging protrusion 34, anti-slip rubber ring 35. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 19 The present invention provides the following three preferred embodiments: Embodiment 1: A regulating valve which is easy to install and disassemble, comprises a valve body 1, a valve core, a valve handle 2, a primary connecting piece 5 and a secondary connecting piece 7. A primary pipeline connecting port 3 is integrally formed at the left end of the valve cavity of the valve body 1, and a secondary pipeline connecting port 4 is integrally formed at the right end of the valve cavity of the valve body 1. Annular limit seats 9 are fixedly welded at the port positions of the primary pipeline connecting port 3 and the secondary pipeline connecting port 4. The valve core is arranged in the valve cavity of the valve body 1, the valve handle 2 is installed on the valve body 1, and the valve core is driven by the valve handle 2. The primary connecting piece 5 is sleeved on the primary pipeline connecting port 3, and the primary pipeline connecting port 3 is connected to the primary pipeline 6 through the primary connecting piece 5. The secondary connecting piece 7 is sleeved on the secondary pipeline connecting port 4, and the secondary pipeline connecting port 4 is connected to the secondary pipeline 8 through the secondary connecting piece 7.

[0019] A sealing groove 10 is provided on the outer end surface of the annular limit seat 9, and a sealing ring 11 is padded in the sealing groove 10. The cross section of the primary connector 5 is L-shaped, and the primary connector 5 is threadedly connected to the primary pipe 6. When the primary connector 5 is actually tightened, the primary connector 5 abuts against the annular limit seat 9, and the sealing ring 11 abuts against the end surface of the primary pipe 6. At this time, when the sealing ring 11 is in a compressed state, the connection method of the secondary pipe 8 is the same as the connection method of the primary pipe 6. The outer contours of the primary connector 5 and the secondary connector 7 are both regular hexagons. A regulating valve that is easy to install and disassemble is provided, which is composed of a valve body 1, a valve core, a valve handle 2, a primary connector 5 and a secondary connector 7. The primary pipe connection port 3 and the secondary pipe connection port 4 on the valve body 1 are respectively connected to the primary pipe 6 and the secondary pipe 8 through the primary connector 5 and the secondary connector 7. Compared with the interference fit of the traditional plug-in, this connection method is more convenient when disassembling, so that it is convenient for the staff to inspect and maintain the valve structure.

[0020] The inner end surface of the primary connecting member 5 is connected to a primary limiting ring 12, and the inner end surface of the secondary connecting member 7 is connected to a secondary limiting ring. The inner end surfaces of the primary limiting ring 12 and the secondary limiting ring are both provided with self-locking holes 13. The self-locking holes 13 on the primary limiting ring 12 and the secondary limiting ring are evenly arranged in a circle. The lower end surface of the valve body 1 is integrally formed with a mounting seat 14, and the left end of the mounting seat 14 is provided with a primary mounting hole 15. The bottom of the primary mounting hole 15 is penetrated by a secondary mounting hole 16, and a self-locking mechanism 17 is installed in the primary mounting hole 15 and the secondary mounting hole 16.

[0021] The self-locking mechanism 17 includes a primary support column 18, a secondary support column 19 and a support spring 20. The inner end surface of the primary support column 18 is provided with a movable groove 21, and the secondary support column 19 is movably arranged in the movable groove 21. The inner end surface of the secondary support column 19 is provided with a spring groove 22. The support spring 20 is movably arranged in the spring groove 22 and the movable groove 21. The outer end of the primary support column 18 is integrally formed with a primary self-locking column 23, and the outer end of the secondary support column 19 is integrally formed with a secondary self-locking column 24. When the primary connecting member 5 and the secondary connecting member 7 are actually tightened and the support spring 20 is in the reset state, the primary self-locking column 23 and the secondary self-locking column 24 are respectively embedded in the primary self-locking column 23 and the secondary self-locking column 24. The valve body 1 is inserted into the self-locking holes 13 on the primary limiting ring 12 and the secondary limiting ring, and a self-locking mechanism 17 composed of a primary supporting column 18, a secondary supporting column 19 and a supporting spring 20 is arranged on the mounting seat 14 of the valve body 1, and a primary limiting ring 12 and a secondary limiting ring are arranged on the inner end faces of the primary connecting piece 5 and the secondary connecting piece 7, and self-locking holes 13 are opened on the primary limiting ring 12 and the secondary limiting ring, and a primary self-locking column 23 and a secondary self-locking column 24 are respectively arranged on the end faces of the primary supporting column 18 and the secondary supporting column 19, so that the primary connecting piece 5 and the secondary connecting piece 7 are locked by the self-locking mechanism 17, thereby ensuring the installation stability of the valve.

[0022] Embodiment 2: On the basis of embodiment 1, the inner end faces of the primary connecting member 5 and the secondary connecting member 7 are provided with adjustment grooves 25, and the adjustment grooves 25 are circular arc grooves. The outer end faces of the primary limiting ring 12 and the secondary limiting ring are integrally formed with adjustment columns 26, and the adjustment columns 26 are arranged corresponding to the adjustment grooves 25, and the adjustment columns 26 are movably arranged in the adjustment grooves 25. By providing adjustment grooves 25 on the inner end faces of the primary connecting member 5 and the secondary connecting member 7, and setting adjustment columns 26 on the outer end faces of the primary limiting ring 12 and the secondary limiting ring, and setting the adjustment grooves 25 as circular arc grooves, the primary limiting ring 12 and the secondary limiting ring can be fine-tuned within a small angle, thereby ensuring that when the primary connecting member 5 and the secondary connecting member 7 are screwed to any angle, the self-locking column can be inserted into the self-locking hole 13 in a aligned manner, thereby further improving the ease of use of the self-locking mechanism 17.

[0023] There are thirty-six self-locking holes 13 on the primary limiting ring 12 and the secondary limiting ring on an even circle, and six adjusting columns 26 and adjusting grooves 25 are evenly arranged on a circle. The adjusting column 26 is a cylindrical rod, and the arc angle of the adjusting groove 25 is ten degrees. The primary limiting ring 12 and the secondary limiting ring are both rotatably installed on the pipe connection port, and the adjusting groove 25 limits the rotation range of the primary limiting ring 12 and the secondary limiting ring. The end of the adjusting column 26 is fixedly glued with a magnet sheet 27. The primary connecting piece 5 and the secondary connecting piece 7 are both cast from ferromagnetic materials. The setting of the magnet sheet 27 allows the primary limiting ring 12 and the secondary limiting ring to be correspondingly adsorbed on the primary connecting piece 5 and the secondary connecting piece 7, thereby avoiding the separation of the limiting ring and the connecting piece, thereby improving the convenience of the staff during maintenance.

[0024] Embodiment 3: On the basis of embodiment 2, an open groove 28 is provided on the lower side of the primary mounting hole 15, a guide groove 29 is provided on the lower side of the movable groove 21, a primary push block 30 is integrally formed on the primary support column 18 at the edge of the guide groove 29, a guide block 31 is integrally formed on the side wall of the secondary support column 19, the guide block 31 is movably arranged in the guide groove 29, a secondary push block 32 is integrally formed on the guide block 31, both the primary push block 30 and the secondary push block 32 are movably arranged in the open groove 28, and when the support spring 20 is in the reset state, the guide block 31 does not disengage from the guide groove 29.

[0025] When the primary push block 30 and the secondary push block 32 are pushed to a flush state, and the primary connecting piece 5 and the secondary connecting piece 7 are completely unscrewed from the secondary connecting piece 7 and the secondary pipe 8 respectively, the primary self-locking column 23, the secondary self-locking column 24 and the self-locking holes 13 on the primary limiting ring 12 and the secondary limiting ring are all in a disengaged state, which is convenient for the staff to disengage the primary self-locking column 23 and the secondary self-locking column 24 from the self-locking holes 13 on the primary limiting ring 12 and the secondary limiting ring, thereby facilitating the loosening and tightening of the primary connecting piece 5 and the secondary connecting piece 7.

[0026] The side wall of the guide block 31 is provided with a snap-fitting groove 33, and the side wall of the primary push block 30 is integrally formed with a snap-fitting protrusion 34, the snap-fitting protrusion 34 and the snap-fitting groove 33 are arranged opposite to each other, when the primary push block 30 is aligned with the secondary push block 32, the snap-fitting protrusion 34 is aligned with the snap-fitting groove 33, and when the primary push block 30 and the secondary push block 32 are in contact with each other, the snap-fitting protrusion 34 is embedded in the snap-fitting groove 33, the thickness of the guide block 31 is less than the width of the guide groove 29, when the primary push block 30 and the secondary push block 32 are pushed to the two sides of the open groove 28 respectively, a gap is left between the snap-fitting protrusion 34 and the guide block 31, the snap-fitting protrusion 34 is a magnet block, and the guide block 31 is cast from ferromagnetic material, and the snap-fitting protrusion 34 is embedded in the snap-fitting groove 33, thereby further improving the convenience of the staff in operating the primary connector 5 and the secondary connector 7.

[0027] An anti-skid groove is provided on the side wall of the secondary mounting hole 16, in which an anti-skid rubber ring 35 is embedded. When the secondary support column 19 is actually installed, the anti-skid rubber ring 35 is in a compressed state, so that the self-locking mechanism 17 can be relatively positioned to prevent the tilted valve body from causing the self-locking mechanism 17 to slide up and down and affect the disassembly and assembly of the primary connector 5 and the secondary connector 7.

[0028] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A regulating valve that is easy to install and disassemble, characterized in that: include: A valve body (1), wherein a first-level pipeline connection port (3) is integrally formed at the left end of the valve cavity of the valve body (1), and a second-level pipeline connection port (4) is integrally formed at the right end of the valve cavity of the valve body (1), and an annular limit seat (9) is fixedly welded at the port positions of the first-level pipeline connection port (3) and the second-level pipeline connection port (4); A valve core, the valve core being arranged in a valve cavity of the valve body (1); A valve handle (2), wherein the valve handle (2) is mounted on the valve body (1), and the valve core is driven by the valve handle (2); A primary connecting piece (5), wherein the primary connecting piece (5) is sleeved on the primary pipe connecting port (3), and the primary pipe connecting port (3) is connected to a primary pipe (6) via the primary connecting piece (5); A secondary connecting piece (7), wherein the secondary connecting piece (7) is sleeved on the secondary pipeline connecting port (4), and the secondary pipeline connecting port (4) is connected to the secondary pipeline (8) via the secondary connecting piece (7).

2. A regulating valve that is easy to install and disassemble according to claim 1, characterized in that: The outer end surface of the annular limiting seat (9) is provided with a sealing groove (10), and a sealing ring (11) is provided in the sealing groove (10). The cross section of the primary connecting piece (5) is L-shaped, and the primary connecting piece (5) is threadedly connected to the primary pipe (6). When the primary connecting piece (5) is actually tightened, the primary connecting piece (5) abuts against the annular limiting seat (9), and the sealing ring (11) abuts against the end surface of the primary pipe (6). At this time, when the sealing ring (11) is in a compressed state, the connection method of the secondary pipe (8) is the same as the connection method of the primary pipe (6). The outer contours of the primary connecting piece (5) and the secondary connecting piece (7) are both regular hexagons.

3. A regulating valve that is easy to install and disassemble according to claim 2, characterized in that: The inner end surface of the primary connecting member (5) is connected to a primary limiting ring (12), and the inner end surface of the secondary connecting member (7) is connected to a secondary limiting ring. The inner end surfaces of the primary limiting ring (12) and the secondary limiting ring are both provided with self-locking holes (13). The self-locking holes (13) on the primary limiting ring (12) and the secondary limiting ring are evenly arranged in a circle. The lower end surface of the valve body (1) is integrally formed with a mounting seat (14). The left end of the mounting seat (14) is provided with a primary mounting hole (15). The bottom of the primary mounting hole (15) is penetrated by a secondary mounting hole (16). Self-locking mechanisms (17) are installed in the primary mounting hole (15) and the secondary mounting hole (16).

4. A regulating valve that is easy to install and disassemble according to claim 3, characterized in that: The self-locking mechanism (17) comprises a primary support column (18), a secondary support column (19) and a support spring (20); a movable groove (21) is provided on the inner end surface of the primary support column (18); the secondary support column (19) is movably arranged in the movable groove (21); and a spring groove (22) is provided on the inner end surface of the secondary support column (19); the support spring (20) is movably arranged in the spring groove (22) and the movable groove (21); a primary self-locking column (23) is integrally formed at the outer end of the primary support column (18); and a secondary self-locking column (24) is integrally formed at the outer end of the secondary support column (19); when the primary connecting member (5) and the secondary connecting member (7) are actually tightened and the support spring (20) is in a reset state, the primary self-locking column (23) and the secondary self-locking column (24) are respectively embedded in the self-locking holes (13) on the primary limiting ring (12) and the secondary limiting ring.

5. The regulating valve that is easy to install and disassemble according to claim 4 is characterized in that: The inner end surfaces of the primary connecting member (5) and the secondary connecting member (7) are both provided with adjustment grooves (25), the adjustment grooves (25) being arcuate grooves, and the outer end surfaces of the primary limiting ring (12) and the secondary limiting ring are both integrally formed with adjustment columns (26), the adjustment columns (26) being arranged corresponding to the adjustment grooves (25), and the adjustment columns (26) are movably arranged in the adjustment grooves (25).

6. The regulating valve that is easy to install and disassemble according to claim 5, characterized in that: Thirty-six self-locking holes (13) are arranged on the primary limiting ring (12) and the secondary limiting ring at equal circumferences, six adjusting columns (26) and adjusting grooves (25) are arranged on equal circumferences, the adjusting column (26) is a cylindrical rod, the arc angle of the adjusting groove (25) is ten degrees, the primary limiting ring (12) and the secondary limiting ring are both rotatably mounted on the pipe connection port, and the adjusting groove (25) limits the rotation range of the primary limiting ring (12) and the secondary limiting ring, a magnet sheet (27) is fixedly glued to the end of the adjusting column (26), and the primary connecting piece (5) and the secondary connecting piece (7) are both cast from ferromagnetic material.

7. The regulating valve that is easy to install and disassemble according to claim 4, characterized in that: An opening groove (28) is formed on the lower side of the primary mounting hole (15), a guide groove (29) is formed on the lower side of the movable groove (21), a primary push block (30) is integrally formed on the primary support column (18) at an edge of the guide groove (29), a guide block (31) is integrally formed on the side wall of the secondary support column (19), the guide block (31) is movably arranged in the guide groove (29), a secondary push block (32) is integrally formed on the guide block (31), the primary push block (30) and the secondary push block (32) are both movably arranged in the opening groove (28), and when the support spring (20) is in a reset state, the guide block (31) does not disengage from the guide groove (29).

8. The regulating valve that is easy to install and disassemble according to claim 7 is characterized in that: When the primary push block (30) and the secondary push block (32) are pushed to a flush state, and the primary connecting piece (5) and the secondary connecting piece (7) are completely unscrewed from the secondary connecting piece (7) and the secondary pipe (8) respectively, the primary self-locking column (23), the secondary self-locking column (24) and the self-locking holes (13) on the primary limiting ring (12) and the secondary limiting ring are all in a disengaged state.

9. The regulating valve that is easy to install and disassemble according to claim 8, characterized in that: A locking groove (33) is formed on the side wall of the guide block (31), and a locking protrusion (34) is integrally formed on the side wall of the primary push block (30). The locking protrusion (34) and the locking groove (33) are arranged opposite to each other. When the primary push block (30) and the secondary push block (32) are aligned, the locking protrusion (34) and the locking groove (33) are aligned. When the primary push block (30) and the secondary push block (32) are in contact with each other, the locking protrusion (34) is embedded in the locking groove (33). The thickness of the guide block (31) is smaller than the width of the guide groove (29). When the primary push block (30) and the secondary push block (32) are pushed toward the two sides of the opening groove (28) respectively, a gap is left between the locking protrusion (34) and the guide block (31). The locking protrusion (34) is a magnet block, and the guide block (31) is cast from a ferromagnetic material.

10. The regulating valve that is easy to install and disassemble according to claim 9, characterized in that: An anti-skid groove is provided on the side wall of the secondary mounting hole (16), and an anti-skid rubber ring (35) is embedded in the anti-skid groove. When the secondary support column (19) is actually installed, the anti-skid rubber ring (35) is in a compressed state.

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