CN214248427U

CN214248427U - Static balance valve

Info

Publication number: CN214248427U
Application number: CN202120313680.8U
Authority: CN
Inventors: 张晓宁; 史凯; 田鲁; 朱艳丽; 程小倩; 王文豪; 周仙志
Original assignee: Weihai Langlide Instrument Technology Co ltd
Current assignee: Weihai Langkabo Intelligent Equipment Manufacturing Co., Ltd.
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-21
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses a static balance valve, it includes the valve body, valve body one end is equipped with the water inlet, and the other end is equipped with the delivery port, is equipped with the pressure measurement hole of intaking and the pressure measurement hole of going out that is linked together with the valve body on a lateral wall, is equipped with valve actuating mechanism mounting hole on another lateral wall, install actuating mechanism in the valve actuating mechanism mounting hole, its characterized in that be equipped with automatic sealing device in pressure measurement hole of intaking and the pressure measurement hole of going out respectively, the utility model discloses owing to adopt above-mentioned structure for every balanced valve that dispatches from the factory all need not to install the detection mechanism who carries out drive control device and detection pressure, and, when detecting, can also reach the effect of automatic sealing valve body, have advantages such as novel structure, energy saving, use cost are low, regulation convenience.

Description

Static balance valve

Technical Field

The utility model relates to a heating equipment field, specific static balance valve that says so.

Background

At present, the existing flow regulating valve is composed of a valve body, a detecting mechanism, an executing mechanism and an executing drive control mechanism, the executing mechanism and the detecting mechanism are arranged in the valve body, the executing drive control mechanism is arranged on the valve body and connected with the executing mechanism, the executing mechanism and the detecting mechanism are respectively controlled by the executing drive control mechanism, when in use, all levels of pipelines and building pipelines of the heat supply pipe network are arranged, the pressure of the water inlet end and the water outlet end in the valve body is detected by the detecting mechanism of the regulating valve on each pipeline and building pipeline, the information is uploaded to the executing drive control mechanism, after the program calculation in the executing drive control mechanism, the executing drive control mechanism instructs the executing mechanism to act to regulate the flow, and meanwhile, the executing drive control mechanism also transmits the detected data to a master control system of a heat supply company, and then the pressure and the flow on each pipeline and each stage of pipelines are regulated through a master control system. The substantial disadvantages of this structure are: every governing valve all is equipped with detection mechanism, actuating mechanism and execution drive control mechanism, detection mechanism through every governing valve detects and will detect data upload to control mechanism, then, pass to the total control system of heat supply company through control mechanism teletransmission again, after balancing the pressure of whole pipe network through total control system again, rethread data information instruction actuating mechanism moves, adjust the pressure of single balanced valve, and then realized adjusting the effect of pipeline pressure at all levels, after the regulation is accomplished, execution drive control mechanism and detection mechanism change very little promptly. Therefore, when the structure is used, each flow regulating valve is provided with the detection mechanism and the execution driving control mechanism, so that the use cost is high, and the resources are wasted.

At present, a static balance valve which can control the flow, detect and adjust the pressure in each stage of pipeline, has low cost, convenient adjustment and energy saving is urgently needed.

But at present, it is not found in the market.

Disclosure of Invention

The utility model aims at solving the defects of the prior art and providing a static balance valve which has novel structure, energy conservation, low use cost and convenient adjustment.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a static balance valve, includes valve body (1), valve body (1) one end is equipped with water inlet (2), and the other end is equipped with delivery port (3), is equipped with intake pressure detection hole (4) and play water pressure detection hole (5) that are linked together with the valve body on one side wall, is equipped with valve actuating mechanism mounting hole (6) on another side wall, install actuating mechanism in the valve actuating mechanism mounting hole, its characterized in that be equipped with automatic sealing device in intake pressure detection hole (4) and play water pressure detection hole (5) respectively, it is including detecting plug bush (11), switch case (12), sealed lid (13), direction valve barrel (14), tension spring (15), piston (16), it fixes at valve body (1) side wall to detect plug bush (11), it is equipped with direction valve barrel fixed orifices (19) in proper order to detect plug bush (11) center, The valve comprises a sealed butt joint cavity (21) and a detection piece connecting threaded hole (20), wherein a guide valve sleeve fixing hole (19), the sealed butt joint cavity (21) and the detection piece connecting threaded hole (20) are coaxially arranged and communicated with an inner cavity of a valve body (1), one end part of a guide valve sleeve (14) is fixedly connected with the guide valve sleeve fixing hole (19) in a sealed mode, the other end part of the guide valve sleeve is inserted into the valve body (1), an inner valve core through hole, a piston cavity and an inner valve core guide hole which are coaxially communicated are sequentially arranged in the axis of the guide valve sleeve (14) from inside to outside, a piston (16) and a tension spring (15) are arranged in the piston cavity, a switch valve core (12) sequentially penetrates through the inner valve core through hole, the tension spring and the piston in the piston cavity, the inner valve core guide hole, the inner end of the switch valve core is fixedly connected with a sealing cover (13), the outer end part of the switch valve core is inserted into the sealed butt joint cavity (21), and the piston (16) is fixedly sleeved on the switch valve core (12), one end of the tension spring (15) is abutted with the inner part of one end of the piston cavity, the other end of the tension spring is abutted with the piston (16), and the sealing cover (13) is hermetically covered on the end face of the guide valve sleeve under the action of the tension spring (15).

The utility model discloses still include and detect detection mechanism (22) that the grafting cover was sealed to be pegged graft to do benefit to when detecting fluidic pressure and flow, through detection mechanism (22) and detect the sealed quick grafting of grafting cover (11), after adjusting pipeline pressure and flow, can with detection mechanism and detection grafting cover quick separation, and the detection grafting cover self after the separation has reached sealed effect, has avoided fluidic spilling over.

Detection mechanism (22) grafting portion terminal surface is equipped with fluid inspection hole (23) along axle center axial, detection mechanism (22) grafting portion periphery is equipped with seal section (221), connecting thread section (222) and location section (223) coaxial constitution from inside to outside axial in proper order, fluid inspection hole (23) center is equipped with case kicking block (18), case kicking block (18) radially set up and both ends respectively with fluid inspection hole inner wall fixed connection, case kicking block (18) are corresponding with case (12), when will detect fluidic pressure, rotatory detection mechanism (22), detection mechanism (22) are connected screw hole (20) threaded connection back, through sealed section (221) and are gone up sealing washer (224) and the sealed sliding connection that docks chamber (21) that the cover has, when case kicking block (18) and case (12) are inconsistent and continue to push away case (12) along direction valve barrel (14) axial displacement A piston (16) on the valve core (12) extrudes a tension spring (15), and meanwhile, a sealing cover (13) is separated from the end face of a guide valve sleeve (14), so that fluid in the valve body (1) flows into a sealing butt joint cavity (21) along a valve core through hole, a piston cavity and an inner valve core guide hole in the guide valve sleeve and enters a fluid detection hole (23) through the sealing butt joint cavity (21), the pressure of the fluid in the valve body (1) is detected by a detection mechanism (22), and when a positioning section (223) is abutted against the outer end face of a detection plug sleeve (11), the maximum moving stroke of the valve core (12) is achieved; when the detection is finished, the detection mechanism (22) is rotated reversely, at the moment, the valve core (12) drives the sealing cover (13) to reset under the action of the tension spring (15), the end part of the guide valve sleeve (14) is sealed by the sealing cover, fluid in the valve body (1) is sealed, and then the detection mechanism continues to rotate reversely until the detection mechanism is separated from the detection inserting sleeve.

The utility model discloses can direction valve barrel fixed orifices (19) are formed by screw hole section (191) and frustum shape fixed orifices section (192) coaxial coupling, the screw hole section is connected with the big footpath end of frustum shape fixed orifices section, the direction valve barrel is under the external screw thread section that the outer wall was equipped with and screw hole section threaded connection effect for the frustum body fastens sealing connection with the toper fixed orifices mutually, in order to reach the effect of quick sealed installation.

The utility model discloses can mechanical lock (17) are installed respectively to pressure measurement hole and/or play water pressure measurement hole and/or valve actuating mechanism mounting hole port of intaking to reach the effect that utilizes the mechanical lock to protect the state of balanced valve.

The mechanical lock (17) of the utility model comprises a protective cover lock cover (171), a password lock ring (172), a stop block (173) and a lock core (174), wherein the inner wall of the protective cover lock cover (171) is provided with an annular groove 175, the circumference of the annular groove is arranged, the annular groove is composed of an upper baffle ring, a lower baffle ring and the inner wall of the protective cover lock cover, the upper baffle ring and the lower baffle ring are arranged in parallel, the peripheries of the upper baffle ring and the lower baffle ring are respectively and vertically and fixedly connected with the inner wall of the protective cover lock cover, the upper baffle ring is provided with an unlocking groove, the inside of the annular groove is movably provided with the password lock ring (172) and the stop block (173), the password lock ring is composed of a horizontal ring at the upper end and a vertical ring at the lower end, the periphery of the horizontal ring is vertically and fixedly connected with the vertical ring, the upper end of the password lock ring (172) is slidably connected with the upper baffle ring (173), the lower end of the stop block (173) is slidably connected with the lower baffle ring, to facilitate pushing the combination lock ring (172) to rotate along the annular groove by the stopper (173), a pair of locking grooves (177) are arranged on the horizontal ring of the code locking ring (172), the shapes and the sizes of the locking grooves and the unlocking grooves are the same, the lock core (174) is fixed on the outer wall of the port of the water inlet pressure detection hole and/or the water outlet pressure detection hole and/or the mounting hole of the valve actuating mechanism, the shield lock cover (171) passes through the unlocking slot and the counter-locking slot (177) via the lock cylinder (174) to enter the space between the combination lock ring (172) and the annular groove, the coded lock ring (172) is pushed to rotate by the interference of the lock core (174) and the stop block (173), so that the locking slots (177) on the combination lock ring (172) are staggered with the unlocking slots, the mechanical lock is locked on the port of the water inlet pressure detection hole and/or the water outlet pressure detection hole and/or the valve actuating mechanism mounting hole; when the combination lock is to be opened, the shield lock cover is rotated, so that the lock cylinder (174) pushes the stop block (173) to rotate along the annular groove, then the shield lock cover is rotated reversely, so that the lock cylinder (174) rotates along the annular groove to find whether the pair lock groove (177) and the unlocking groove on the combination lock ring are butted or not, if the pair lock groove (177) and the unlocking groove are butted, the lock cylinder (174) moves out along the pair lock groove (177) and the unlocking groove, and the mechanical lock is opened; if the shield lock cover is not aligned, the shield lock cover continues to rotate forwards again, so that the lock cylinder (174) pushes the stop block (173) to rotate along the annular groove again, and then the actions are repeated in the reverse direction again until the lock groove (177) is aligned with the unlocking groove.

The utility model discloses owing to adopt above-mentioned structure for every balanced valve that dispatches from the factory all need not to install the detection mechanism who carries out drive control device and detection pressure, and, when examining, can also reach the effect of self-sealing valve body, have novel structure, energy saving, use cost low, adjust advantages such as convenient.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a cross-sectional view a-a of fig. 2.

Fig. 4 is a sectional view of B-B in fig. 3.

Fig. 5 is a schematic structural view of an embodiment of the present invention when the detecting member is mounted.

Fig. 6 is a partial enlarged view of D in fig. 5.

Fig. 7 is a cross-sectional view of C-C in fig. 3.

Reference numerals: a valve body (1), a water inlet (2), a water outlet (3), a water inlet pressure detection hole (4), a water outlet pressure detection hole (5), a valve actuating mechanism mounting hole (6), a valve shaft (7), a valve core (8), a sealing cover (9), a valve body base (10), a detection plug-in sleeve (11), a switch valve core (12), a sealing cover (13), a guide valve sleeve (14), a tension spring (15) and a piston (16), the device comprises a guide valve sleeve fixing hole (19), a threaded hole section (191), a frustum-shaped fixing hole section (192), a mechanical lock (17), a detection piece connecting threaded hole (20), a shield lock cover (171), a password lock ring (172), a stop block (173), a lock core (174), an annular groove 175, a butt lock groove 177, a sealing butt joint cavity (21), a detection mechanism (22), a sealing section (221), a connecting threaded section (222) and a positioning section (223).

Detailed Description

The present invention will be described with reference to the accompanying drawings and examples.

As shown in the attached drawings, the static balance valve comprises a valve body (1), wherein one end of the valve body (1) is provided with a water inlet (2), the other end of the valve body is provided with a water outlet (3), one side wall of the valve body is provided with a water inlet pressure detection hole (4) and a water outlet pressure detection hole (5) which are communicated with the valve body, the other side wall of the valve body is provided with a valve actuating mechanism mounting hole (6), an actuating mechanism is mounted in the valve actuating mechanism mounting hole and comprises a valve shaft (7), a valve core (8), a sealing cover (9) and a valve body base (10), the structures of the valve shaft (7), the valve core (8), the sealing cover (9) and the valve body base (10) are the same as those of the prior art and are not described herein, the upper end of the valve shaft (7) is provided with an insertion part which is inserted into a protrusion or a groove matched with a protrusion on a motor output shaft, the automatic sealing device is characterized in that automatic sealing devices are respectively arranged in the water inlet pressure detection hole (4) and the water outlet pressure detection hole (5) and comprise a detection plug bush (11), a switch valve core (12), a sealing cover (13), a guide valve sleeve (14), a tension spring (15) and a piston (16), the detection plug bush (11) is fixed on the side wall of the valve body (1), a guide valve sleeve fixing hole (19), a sealing butt joint cavity (21) and a detection piece connecting threaded hole (20) are sequentially arranged in the center of the detection plug bush (11), the guide valve sleeve fixing hole (19), the sealing butt joint cavity (21) and the detection piece connecting threaded hole (20) are coaxially arranged and communicated with the inner cavity of the valve body (1), one end part of the guide valve sleeve (14) is fixedly connected with the guide valve sleeve fixing hole (19) in a sealing manner, and the other end part of the guide valve sleeve is inserted into the valve body (1), the valve is characterized in that an inner valve core perforation, a piston cavity and an inner valve core guide hole which are coaxially communicated are sequentially arranged in the axis of the guide valve sleeve (14) from inside to outside, a piston (16) and a tension spring (15) are arranged in the piston cavity, the switch valve core (12) sequentially penetrates through the inner valve core perforation, the tension spring and the piston in the piston cavity, the inner end of the inner valve core guide hole and a sealing cover (13) and is fixedly connected with the outer end portion of the inner valve core perforation, the inner end of the inner valve core guide hole and the inner end of the inner valve core guide hole, the outer end portion of the inner valve core guide hole is inserted into a sealing butt joint cavity (21), the piston (16) is fixedly sleeved on the switch valve core (12), one end of the tension spring (15) is abutted to the inner portion of one end of the piston cavity, the other end of the tension spring is abutted to the piston (16), and the sealing cover (13) is hermetically covered on the end face of the guide valve sleeve under the action of the tension spring (15).

The utility model discloses when the pressure of regulating the fluid, open the mechanical lock on valve body base and/or the pressure detection hole of intaking and/or the pressure detection hole of play water respectively earlier, rotatory guard shield locking closure makes lock core (174) promote dog (173) rotatory along the annular groove, then the counter-rotating guard shield locking closure makes lock core (174) look for whether to involutory to keyway (177) and unlocking groove on the password lock ring along the annular groove rotation, if involutory, lock core (174) then shifts out along to keyway (177) and unlocking groove, has opened mechanical lock promptly; if the valve core is not closed, the protective cover locking cover continues to rotate forwards again, the lock core (174) pushes the stop block (173) to rotate along the annular groove again, then the actions are repeated in the reverse direction again until the locking groove (177) and the unlocking groove are closed, the protective cover locking cover is opened, then the actuating mechanism is installed on the valve body base, the detection mechanism (22) is in threaded connection with the detection piece connecting threaded hole (20) through the connecting threaded section (222) and then is in sealed sliding connection with the sealed butt joint cavity (21) through the sealing ring (224) sleeved on the sealing section (221), when the valve core top block (18) is in contact with the valve core (12) and continues to push the valve core (12) to move axially along the guide valve sleeve (14), the piston (16) on the valve core (12) extrudes the tension spring (15), and meanwhile, the sealing cover (13) is separated from the end face of the guide valve sleeve (14), so that fluid in the valve body (1) flows along the valve core, The piston cavity and the inner valve core guide hole flow into the sealed butt joint cavity (21) and enter the fluid detection hole (23) through the sealed butt joint cavity (21), when the positioning section (223) is abutted to the outer end face of the detection plug sleeve (11), the maximum moving stroke of the valve core (12) is achieved, the detection mechanism is installed under pressure, the detection mechanism (22) detects the pressure of fluid in the valve body (1) and uploads pressure information to the execution drive control mechanism, and further the flow in the valve body is adjusted; when the detection is finished, the detection mechanism (22) is rotated reversely, at the moment, the valve core (12) drives the sealing cover (13) to reset under the action of the tension spring (15), the end part of the guide valve sleeve (14) is sealed by the sealing cover, fluid in the valve body (1) is sealed, and then the detection mechanism continues to rotate reversely until the detection mechanism is separated from the detection insertion sleeve; and then the detection mechanism is used for adjusting the pressure on other pipelines.

When the detection is finished, the water inlet pressure detection hole and the water outlet pressure detection hole are sealed by the mechanical lock, when the mechanical lock is sealed, the protective cover passes through the unlocking groove and the locking groove through the lock cylinder to enter the space between the password lock ring and the annular groove, the password lock ring is pushed to rotate by the collision of the lock cylinder and the stop block, so that the locking groove and the unlocking groove on the password lock ring are staggered, and the purpose of locking the mechanical lock on the outer wall of the port of the water inlet pressure detection hole and/or the water outlet pressure detection hole and/or the valve actuating mechanism mounting hole is achieved.

Claims

1. The utility model provides a static balance valve, includes valve body (1), valve body (1) one end is equipped with water inlet (2), and the other end is equipped with delivery port (3), is equipped with intake pressure detection hole (4) and play water pressure detection hole (5) that are linked together with the valve body on one side wall, is equipped with valve actuating mechanism mounting hole (6) on another side wall, install actuating mechanism in the valve actuating mechanism mounting hole, its characterized in that be equipped with automatic sealing device in intake pressure detection hole (4) and play water pressure detection hole (5) respectively, it is including detecting plug bush (11), switch case (12), sealed lid (13), direction valve barrel (14), tension spring (15), piston (16), it fixes at valve body (1) side wall to detect plug bush (11), it is equipped with direction valve barrel fixed orifices (19) in proper order to detect plug bush (11) center, The valve comprises a sealed butt joint cavity (21) and a detection piece connecting threaded hole (20), wherein a guide valve sleeve fixing hole (19), the sealed butt joint cavity (21) and the detection piece connecting threaded hole (20) are coaxially arranged and communicated with an inner cavity of a valve body (1), one end part of a guide valve sleeve (14) is fixedly connected with the guide valve sleeve fixing hole (19) in a sealed mode, the other end part of the guide valve sleeve is inserted into the valve body (1), an inner valve core through hole, a piston cavity and an inner valve core guide hole which are coaxially communicated are sequentially arranged in the axis of the guide valve sleeve (14) from inside to outside, a piston (16) and a tension spring (15) are arranged in the piston cavity, a switch valve core (12) sequentially penetrates through the inner valve core through hole, the tension spring and the piston in the piston cavity, the inner valve core guide hole, the inner end of the switch valve core is fixedly connected with a sealing cover (13), the outer end part of the switch valve core is inserted into the sealed butt joint cavity (21), and the piston (16) is fixedly sleeved on the switch valve core (12), one end of the tension spring (15) is abutted with the inner part of one end of the piston cavity, the other end of the tension spring is abutted with the piston (16), and the sealing cover (13) is hermetically covered on the end face of the guide valve sleeve under the action of the tension spring (15).

2. A static balancing valve according to claim 1, further comprising a sensing means (22) sealingly engageable with the sensing sleeve.

3. The static balance valve according to claim 2, characterized in that a fluid detection hole (23) is axially arranged on the end surface of the insertion part of the detection mechanism (22) along the axis, the outer periphery of the insertion part of the detection mechanism (22) is axially and sequentially provided with a sealing section (221), a connecting thread section (222) and a positioning section (223) from inside to outside, the fluid detection hole (23) is coaxially formed, a valve core top block (18) is arranged at the center of the fluid detection hole (23), the valve core top block (18) is radially arranged, two ends of the valve core top block are respectively and fixedly connected with the inner wall of the fluid detection hole, the valve core top block (18) corresponds to the valve core (12), when the pressure of fluid is detected, the detection mechanism (22) is rotated, the detection mechanism (22) is in sealing sliding connection with the sealing butt-joint cavity (21) through a sealing ring (224) sleeved on the sealing section (221) after the detection member connecting thread hole (20) is in threaded connection with the connecting thread section (222), when the valve core ejector block (18) is abutted against the valve core (12) and continuously pushes the valve core (12) to move axially along the guide valve sleeve (14), the piston (16) on the valve core (12) extrudes the tension spring (15), meanwhile, the sealing cover (13) is separated from the end face of the guide valve sleeve (14), and when the positioning section (223) is abutted against the outer end face of the detection plug-in sleeve (11), the maximum moving stroke of the valve core (12) is achieved.

4. A static balance valve according to claim 1, 2 or 3, wherein the pilot sleeve fixing hole (19) is formed by coaxially connecting a threaded hole section (191) and a frustum-shaped fixing hole section (192), the threaded hole section is connected with the large diameter end of the frustum-shaped fixing hole section, and the pilot sleeve is provided with an external thread section on the outer wall thereof, and the frustum body is tightly and hermetically connected with the conical fixing hole under the threaded connection action of the threaded hole section and the threaded hole section.

5. A static balancing valve according to claim 1, 2 or 3, wherein the inlet and/or outlet pressure sensing ports and/or valve actuator mounting port ports are each provided with a mechanical lock (17).

6. A static balance valve according to claim 5, wherein the mechanical lock (17) comprises a shield lock cover (171), a code lock ring (172), a stop (173) and a lock core (174), the inner wall of the shield lock cover (171) is provided with an annular groove (175) which is circumferentially arranged and is composed of an upper stop ring and a lower stop ring which are arranged in parallel, the peripheries of the upper stop ring and the lower stop ring are respectively and fixedly connected with the inner wall of the shield lock cover vertically, the upper stop ring is provided with an unlocking groove, the code lock ring (172) and the stop (173) are movably arranged in the annular groove, the code lock ring is composed of a horizontal ring at the upper end and a vertical ring at the lower end, the periphery of the horizontal ring is fixedly connected with the vertical ring vertically, and the upper end of the code lock ring (172) is connected with the upper stop ring in a sliding manner, the lower end of the baffle plate is fixedly connected with the upper end of a baffle block (173), the lower end of the baffle block (173) is connected with a lower baffle ring in a sliding way, a pair of locking grooves (177) are arranged on the horizontal ring of the code locking ring (172), the shapes and the sizes of the locking grooves and the unlocking grooves are the same, the lock core (174) is fixed on the outer wall of the port of the water inlet pressure detection hole and/or the water outlet pressure detection hole and/or the mounting hole of the valve actuating mechanism, the shield lock cover (171) passes through the unlocking slot and the counter-locking slot (177) via the lock cylinder (174) to enter the space between the combination lock ring (172) and the annular groove, the coded lock ring (172) is pushed to rotate by the interference of the lock core (174) and the stop block (173), the locking groove (177) on the code locking ring (172) is staggered with the unlocking groove, and the mechanical lock is locked on the port of the water inlet pressure detection hole and/or the port of the water outlet pressure detection hole and/or the port of the valve actuating mechanism mounting hole.