CN219119803U

CN219119803U - Dynamic flow electric balance valve with guide rod structure

Info

Publication number: CN219119803U
Application number: CN202223582119.3U
Authority: CN
Inventors: 幸龙峰; 董惠康; 闫耀辉; 史婵娟; 梅立峰
Original assignee: TIANJIN GALAXY VALVE CO Ltd
Current assignee: TIANJIN GALAXY VALVE CO Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-02
Anticipated expiration: 2032-12-30

Abstract

The utility model provides a dynamic flow electric balance valve with a guide rod structure, which belongs to the field of dynamic electric balance valves and comprises a valve body, a valve seat and a valve core, wherein the valve seat and the valve core are arranged in the valve body, a water inlet corresponding to a water inlet cavity is arranged at the lower end of the valve seat, a water outlet corresponding to the water outlet cavity is arranged at the upper end of the valve seat, the valve core is arranged in the valve body in a lifting manner, and the outer wall of the valve core is matched with the water outlet and is used for changing the shielding area of the water outlet. The utility model has the beneficial effects of accurately controlling the flow regulation, increasing the regulating stroke and the point position and making the regulating process gentle.

Description

Dynamic flow electric balance valve with guide rod structure

Technical Field

The utility model belongs to the field of dynamic electric balance valves, and particularly relates to a dynamic flow electric balance valve with a guide rod structure.

Background

In heating ventilation air conditioning system pipeline, adjust the system flow through the valve, solve the problem of hydraulic imbalance, traditional rotatory disk seat is through changing window size with this regulation that realizes the flow, adopts dynamic flow electrodynamic balance valve to come from automatic balance system flow now mostly, and traditional electrodynamic balance valve adopts straight-line motion electric actuator, this executor realizes adjusting through driving case rectilinear movement, and this mode adjusts the stroke weak point, and adjustable flow's scope is less, rectilinear movement also can't guarantee the precision of regulation.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the dynamic flow electric balance valve with the guide rod structure, which can accurately control flow regulation, increase regulation stroke and point positions and make the regulation process gentle.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a take dynamic flow electrodynamic balance valve of guide bar structure, includes the valve body and valve holder and the case that sets up in the valve body the lower extreme of valve holder is equipped with the inlet opening corresponding with the inlet opening the upper end of valve holder is equipped with the apopore corresponding with the apopore, the case liftable sets up in the valve body, the outer wall of case with the apopore cooperatees for the change is right the area of sheltering from of apopore.

Further, the valve seat comprises an upper valve seat and a lower valve seat which are sequentially arranged, the valve core is slidably matched in the upper valve seat, a bottom plate is arranged at the junction of the upper valve seat and the lower valve seat, and a water through groove is arranged on the bottom plate.

Further, a clamping groove is formed at the junction of the water inlet cavity and the water outlet cavity, and the valve seat is arranged in the clamping groove through a clamping mechanism.

Further, an upper valve cover and a lower valve cover are respectively arranged at the upper end and the lower end of the valve body, an adjusting valve is arranged at one side of the lower valve cover, the clamping mechanism comprises a diaphragm and a spring, and the diaphragm is sleeved at the lower end of the lower valve seat.

Further, a push rod is arranged on the lower valve cover, the push rod penetrates through the diaphragm and the bottom plate, the spring is arranged on the push rod, one end of the spring abuts against the inner wall of the diaphragm, and the other end of the spring abuts against the bottom plate.

Further, an adjusting screw is rotatably arranged in the valve body and is in threaded connection with the valve core, a guide rod is arranged in the upper valve cover, and the guide rod penetrates through the valve core and is inserted into the bottom plate.

Further, a lining is sleeved on the inner wall of the upper end of the valve body, and the inner diameter of the lining is matched with the inner diameter of the upper valve seat.

Further, the water inlet holes are arranged at the lower end of the lower valve seat in a surrounding mode and are rectangular, and the water outlet holes are arranged on the upper valve seat in a surrounding mode in an up-and-down staggered mode and are isosceles trapezoid-shaped.

Further, a plurality of clamping blocks are arranged at the lower end of the bottom plate in a surrounding mode, and the end portions of the springs are matched in the range surrounded by the clamping blocks.

Further, the upper end of the valve body is provided with a multi-rotation electric actuator through a connecting frame, and the adjusting screw is connected with the output end of the multi-rotation electric actuator.

The utility model has the advantages and positive effects that:

by adopting the technical scheme, the valve seat plays a role in spacing the water inlet cavity and the water outlet cavity, the valve core longitudinally slides in the upper valve seat, the outer wall of the valve core can shield the water outlet, the exposed area of the water outlet is increased by the rising of the valve core, the exposed area of the water outlet is reduced by the falling of the valve core, and the moderate flow is regulated.

The valve core is driven by the rotatable adjusting screw rod, so that the valve core can slide up and down along the guide rod, each time the adjusting screw rod rotates, the distance between each time the valve core moves is consistent due to the same screw pitch, the adjusting precision and the adjusting point position are improved, the error is reduced, the valve core is connected by adopting threads, the valve core is lifted by the rotation of the adjusting screw rod, the adjusting stroke is increased, and the valve core is more stable compared with a straight-stroke electric actuator.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a block diagram of a valve body of the present utility model;

FIG. 3 is an exploded view of the valve body and valve cartridge of the present utility model;

FIG. 4 is a bottom view of the valve seat of the present utility model;

fig. 5 is an exploded view of the valve cartridge and upper bonnet of the present utility model.

In the figure:

1. a valve body; 101. a lower mounting groove; 102. a clamping groove; 103. an upper mounting groove;

2. a lower valve cover; 21. a push rod; 22. a regulating valve;

3. a membrane; 4. a sealing gasket A; 5. a spring;

6. a valve seat; 61. a lower valve seat; 611. a water inlet hole; 62. an upper valve seat; 621. a water outlet hole;

63. a bottom plate; 631. a water passage groove; 632. a clamping block; 633. a fixing groove;

7. a sealing gasket B;

8. a valve core; 81. a guide hole; 82. adjusting the screw hole;

9. a bushing; 91. c, sealing gaskets; 10. d, sealing gaskets;

11. an upper valve cover; 111. a guide rod; 12. a connecting frame; 13. a multi-turn electric actuator; 131. and adjusting the screw.

Detailed Description

The utility model is further described below with reference to examples and figures.

As shown in fig. 1 to 5, the present embodiment provides a dynamic flow electrodynamic balance valve with a guide rod structure, which includes a valve body 1, a valve seat 6, a valve core 8, and a multi-turn electrodynamic actuator 13, the valve seat 6 being disposed in the valve body 1 by a chucking mechanism. The lower end of the valve seat 6 is provided with a plurality of water inlet holes 611 in a surrounding manner, the water inlet holes correspond to the water inlet cavity of the valve body 1, the upper end of the valve seat 6 is provided with a plurality of water outlet holes 621 in a surrounding manner, the water outlet holes correspond to the water outlet cavity of the valve body 1, the valve core 8 is arranged at the upper end of the valve seat 6 in a lifting manner and is matched with the water outlet holes 621, and the flow is regulated by controlling the area of the valve core 8 for shielding the water outlet holes 621.

The upper end and the lower end of the valve body 1 are respectively connected with an upper valve cover 11 and a lower valve cover 2 through bolts, a lower mounting groove 101 is formed in the lower end of the valve body 1, a clamping groove 102 is formed in the joint of the water inlet cavity and the water outlet cavity of the valve body 1, the clamping groove 102 is used for placing the valve seat 6, an upper mounting groove 103 is formed in the upper end of the valve body 1, and the lower mounting groove 101, the clamping groove 12 and the upper mounting groove 103 are concentrically arranged.

The valve seat 6 comprises an upper valve seat 62 and a lower valve seat 61 which are sequentially arranged, the upper valve seat 62 and the lower valve seat 61 are in a step shape, namely, the diameter of the lower valve seat 61 is larger than that of the upper valve seat 62, the diameter of the lower valve seat 61 is matched with that of the clamping groove 102, the lower edge of the lower valve seat 61 is erected in the lower mounting groove 101, the valve seat 6 is clamped in the valve body 1, a bottom plate 63 is arranged at the top of the lower valve seat 61, a water through groove 631 is arranged on the bottom plate 63 in a surrounding mode, and the lower valve seat 61 is communicated with the upper valve seat 62.

The clamping mechanism comprises a diaphragm 3 and a spring 5, wherein the diaphragm 3 is sleeved at the lower end of a valve seat 6, the edge of the diaphragm 3 is arranged in a lower mounting groove 101 in a sleeved mode, the upper end of a lower valve cover 2 is in protruding fit in the lower mounting groove 101 to clamp the edge of the diaphragm 3, the lower valve cover 2 is connected with a valve body 1 through bolts, a push rod 21 is arranged in the middle of the lower valve cover 2, the end portion of the push rod 21 sequentially penetrates through a bottom plate 63 of the diaphragm 3 and the valve seat 6, the spring 5 is arranged on the push rod 21, one end of the spring 5 abuts against the inner end face of the diaphragm 3, the other end abuts against the bottom plate 63 of the valve seat 6, a plurality of clamping blocks 632 are arranged at the lower end of the bottom plate 63 in a surrounding mode, and the spring 5 is matched in a range formed by the clamping blocks 632 in a fixed mode and used for clamping the spring 5, and the valve seat 6 is clamped in the valve body 1 through the elasticity of the spring 5. At the side end of the lower valve cover 2, an adjusting valve 22 is provided.

In order to strengthen the connection and prevent running, an A sealing gasket 4 is arranged at the joint of the lower valve cover 2 and the diaphragm 3, and a B sealing gasket 7 is arranged at the joint of the lower valve seat 61 and the clamping groove 102.

The water inlet holes 611 are arranged at the lower end of the lower valve seat 61 in a surrounding manner, the water inlet holes 611 are rectangular, the water outlet holes 621 are arranged on the upper valve seat 62 in a surrounding manner, the water outlet holes 621 are isosceles trapezoids, and the trapezoid water outlet holes 621 are arranged in a staggered manner up and down.

The inner wall cover at valve body 1 upper end is equipped with bush 9, and the diameter of bush 9 is the same with the diameter of upper disk seat 62, and the bellied block of upper valve gap 11's lower extreme is in last mounting groove 103 to carry out the chucking to bush 9's upper end, in order to further press from both sides the clamp to bush 9, be provided with D sealing gasket 10 in the bellied block department with upper mounting groove 103 of upper valve gap 11 lower extreme.

The external diameter of case 8 matches with the internal diameter of upper valve seat 62 and bush 9, case 8 can slide with upper valve seat 62 along bush 9 in, for the increase with the friction outside of case 8, be equipped with C sealed pad 91 at the inner wall of bush 9, be equipped with adjusting screw 82 in the center of case 8, be equipped with guiding hole 81 in one side of adjusting screw 82, multi-gyration electric actuator 13 passes through link 12 setting up in the upper end of valve body 1, be provided with adjusting screw 131 at the output of multi-gyration electric actuator 13, adjusting screw 131 passes through adjusting screw 82 and case 8 threaded connection, the screw thread adopts T type screw thread, be provided with guide arm 11 in upper valve gap 11, the pipe passes guiding hole 81 and the fixed slot 633 looks block of bottom plate 63 upper end, when adjusting screw 131 rotates, drive case 8 oscilaltion.

The working procedure of this example:

the medium enters from the water inlet cavity of the valve body 1, sequentially passes through the water inlet hole 611 and the water through groove 631, enters into the valve seat 6, and then is discharged from the water outlet cavity through the water outlet hole 621.

The multi-rotation electric actuator 13 drives the adjusting screw 131 to rotate, the valve core 8 slides up and down along the guide post 111 through T-shaped threaded connection of the adjusting screw 131 and the valve core 8, and the water yield is controlled by controlling the shielding area of the valve core 8 to the water outlet 621.

The beneficial effects of the utility model are as follows:

compared with the traditional mode that the flow is regulated by changing the size of the window through rotating the valve seat, the valve core 8 sliding in the upper valve seat 62 changes the shielding area of the water outlet 621, and the accurate control of the flow is realized.

Compared with the linear movement of the valve core driven by the linear-movement electric actuator, the utility model converts the torque of the multi-rotation electric actuator 13 into thrust to drive the valve core 8 to do linear-movement motion along the guide rod 111 in the upper valve seat 62, and each rotation of the adjusting screw 131 enables the ascending or descending distance of the valve core 8 to be consistent, increases the adjusting stroke and the adjusting point position of the valve core 8, improves the adjusting precision, and can feed back the position information of the valve core to the multi-rotation electric actuator 13 in real time.

The valve body 6 is abutted against the diaphragm 3 by the elasticity of the spring 5, the edge of the lower valve seat 61 and the edge of the diaphragm 3 are clamped and fixed by the lower valve cover 2, and the edge of the lower valve seat 61 is clamped with the clamping groove 102 by the elasticity of the spring 8. The valve seat 6 is fixed and prevented from running.

The guide rod 111 arranged in the upper valve cover 11 plays a guiding role, so that the valve core 8 can slide up and down along the guide rod 111, and the adjusting screw 131 is driven by the multi-rotation electric actuator 13, so that automatic adjustment can be realized.

The foregoing detailed description of one or more embodiments of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. A dynamic flow electrodynamic balance valve of area guide bar structure, its characterized in that: the valve comprises a valve body (1) and a valve seat (6) and a valve core (8) which are arranged in the valve body (1), wherein a water inlet hole (611) corresponding to a water inlet cavity is formed in the lower end of the valve seat (6), a water outlet hole (621) corresponding to the water outlet cavity is formed in the upper end of the valve seat (6), the valve core (8) can be arranged in the valve body (1) in a lifting manner, and the outer wall of the valve core (8) is matched with the water outlet hole (621) and used for changing the shielding area of the water outlet hole (621).

2. The dynamic flow electrodynamic balance valve with guide bar structure of claim 1, wherein: the valve seat (6) comprises an upper valve seat (62) and a lower valve seat (61) which are sequentially arranged, the valve core (8) is slidably matched in the upper valve seat (62), a bottom plate (63) is arranged at the junction of the upper valve seat (62) and the lower valve seat (61), and a water through groove (631) is formed in the bottom plate (63).

3. A dynamic flow electrodynamic balance valve with a pilot stem configuration of claim 2, wherein: the junction of the water inlet cavity and the water outlet cavity is provided with a clamping groove (102), and the valve seat (6) is arranged in the clamping groove (102) through a clamping mechanism.

4. A dynamic flow electrodynamic balance valve with a pilot stem configuration as defined in claim 3, wherein: the valve is characterized in that an upper valve cover (11) and a lower valve cover (2) are respectively arranged at the upper end and the lower end of the valve body (1), an adjusting valve (22) is arranged on one side of the lower valve cover (2), the clamping mechanism comprises a diaphragm (3) and a spring (5), and the diaphragm (3) is sleeved at the lower end of the lower valve seat (61).

5. The dynamic flow electrodynamic balance valve with guide bar structure of claim 4, wherein: the lower valve cover (2) is provided with a push rod (21), the push rod (21) penetrates through the membrane (3) and the bottom plate (63), the spring (5) is arranged on the push rod (21), one end of the spring (5) abuts against the inner wall of the membrane (3), and the other end of the spring abuts against the bottom plate (63).

6. The dynamic flow electrodynamic balance valve with guide bar structure of claim 4, wherein: an adjusting screw (131) is rotatably arranged in the valve body (1), the adjusting screw (131) is in threaded connection with the valve core (8), a guide rod (111) is arranged in the upper valve cover (11), and the guide rod (111) penetrates through the valve core (8) and is in insertion engagement with the bottom plate (63).

7. A dynamic flow electrodynamic balance valve with a pilot stem configuration of claim 2, wherein: the inner wall of the upper end of the valve body (1) is sleeved with a bushing (9), and the inner diameter of the bushing (9) is matched with the inner diameter of the upper valve seat (62).

8. A dynamic flow electrodynamic balance valve with a pilot stem configuration of claim 2, wherein: the water inlet holes (611) are arranged around the lower end of the lower valve seat (61) and are rectangular, and the water outlet holes (621) are arranged around the upper valve seat (62) in an up-and-down staggered mode and are isosceles trapezoid.

9. The dynamic flow electrodynamic balance valve with guide bar structure of claim 4, wherein: a plurality of clamping blocks (632) are arranged at the lower end of the bottom plate (63) in a surrounding mode, and the end portions of the springs (5) are matched in the range surrounded by the clamping blocks (632).

10. The dynamic flow electrodynamic balance valve with guide bar structure of claim 6, wherein: the upper end of the valve body (1) is provided with a multi-rotation electric actuator (13) through a connecting frame (12), and the adjusting screw (131) is connected with the output end of the multi-rotation electric actuator (13).