CN211175520U

CN211175520U - Adjustable dynamic balance valve

Info

Publication number: CN211175520U
Application number: CN201921325654.6U
Authority: CN
Inventors: 李陈燕; 郑成超
Original assignee: Shanghai Yucheng Fluid Control Co ltd
Current assignee: Shanghai Yucheng Fluid Control Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-08-04
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a dynamic balance valve with adjustable, including the dynamic balance valve body, one side of dynamic balance valve body is provided with the inlet tube, the intercommunication is provided with the step-down pipe on the circumference of inlet tube, the step-down pipe other end is provided with the apron, the outside welding of apron has the locating piece, set up threaded hole on the lateral wall of step-down pipe, the both sides at the step-down pipe are seted up to the screw hole symmetry, the bilateral symmetry threaded connection of locating piece has fixing bolt, fixing bolt's other end threaded connection is in the threaded hole. The utility model discloses a set up the step-down pipe on the inlet tube, when the inside rivers pressure of inlet tube is great, rivers can upwards jack-up step-down board, make step-down board rise and compression spring, when highly rising of step-down board is higher than the drain pipe, rivers can pass through the drain pipe and discharge to reduce the pressure of the inside rivers of inlet tube, the step-down board passes through the spring action of spring and resumes original position.

Description

Adjustable dynamic balance valve

Technical Field

The utility model belongs to the technical field of the dynamic balance valve, concretely relates to dynamic balance valve with adjustable.

Background

The dynamic balance valve is used in water system needing flow control, especially for flow control of non-corrosive liquid medium such as heat supply and air conditioner. The flow of the system can be automatically kept at the required set value by one-time adjustment before operation. The method has the characteristics that 1, the system flow can be automatically balanced to a required set value; 2, the hydraulic imbalance phenomenon caused by various factors in a water system can be automatically eliminated, the flow required by a user is kept, the uneven cold and heat is overcome, and the room temperature qualification rate of heat supply and air conditioning is improved; and 3, the bad operation mode of large flow and small temperature difference can be effectively overcome, the system energy efficiency is improved, and economic operation is realized.

There are still some problems with the currently existing dynamic balancing valves: when the dynamic balance valve is used for adjusting the flow of water, the condition of large flow exists, the flow of water is large, large pressure is generated when water flow impacts the dynamic balance valve, the pressure of the water flow is large, acting force on the dynamic balance valve is large, if the pressure of the water flow is not processed, the dynamic balance valve is damaged after long-time use, and the service life of the dynamic balance valve is shortened.

Disclosure of Invention

An object of the utility model is to provide a dynamic balance valve with adjustable through the ascending pressure plate that drops of rivers jack up, make the step-down plate rise and compression spring, when the highly rising of step-down plate is higher than the drain pipe, rivers can pass through the drain pipe and discharge to reduce the pressure of the inside rivers of inlet tube, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable dynamic balance valve, which comprises a dynamic balance valve body, wherein one side of the dynamic balance valve body is provided with a water inlet pipe, a pressure reducing pipe is communicated with the circumference of the water inlet pipe, a cover plate is arranged at the other end of the pressure reducing pipe, the outer side of the cover plate is welded with a positioning block, the side wall of the pressure reducing pipe is provided with threaded holes, the threaded holes are symmetrically arranged at the two sides of the pressure reducing pipe, the two sides of the positioning block are symmetrically connected with fixing bolts through threads, the other ends of the fixing bolts are connected in threaded holes through threads, a screw rod is connected with the cover plate in a threaded manner, an adjusting plate is rotatably connected with one end of the screw rod, a knob is welded at the other end of the screw rod, the regulating plate is arranged inside the pressure reducing pipe, a spring is welded on the lower surface of the regulating plate, a pressure reducing plate is welded at the other end of the spring, and a drain pipe is communicated with one side of the pressure reducing pipe.

Preferably, the drain pipe is provided with three groups, and the three groups of drain pipes are longitudinally arranged along the depressurization pipe.

Preferably, a rubber sealing ring is arranged between the pressure reducing pipe and the pressure reducing plate, and the rubber sealing ring is fixedly bonded on the inner wall of the pressure reducing pipe.

Preferably, the bottom of the pressure reducing pipe is welded with a bump, and the pressure reducing plate is arranged above the bump.

Preferably, the pressure reducing pipe is in threaded connection with the water inlet pipe.

Preferably, the adjusting plate, the pressure reducing plate and the pressure reducing pipe are in sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the step-down pipe on the inlet tube, when the inside rivers pressure of inlet tube is great, rivers can upwards jack-up step-down board, make step-down board rise and compression spring, when highly rising of step-down board is higher than the drain pipe, rivers can pass through the drain pipe and discharge, thereby reduce the pressure of the inside rivers of inlet tube, then the step-down board passes through the spring force effect of spring and resumes original position, the pressure that makes the inside rivers of inlet tube keeps normal, can protect the dynamic balance valve body, increase the life of dynamic balance valve body.

2. The utility model discloses a rotate the knob, make the knob drive the screw rod and rotate, the screw rod rotates and can drive the regulating plate and remove, and the regulating plate removes and can adjust the compression capacity of spring to the convenience is adjusted the step-down board and is carried out the step-down to the rivers of different pressure sizes.

3. The utility model discloses a with fixing bolt from the downthehole screw-out of screw, can take off the apron from the step-down pipe, conveniently take out regulating plate and step-down plate in the step-down pipe, the maintenance of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional view of the pressure reducing tube of FIG. 1 in accordance with the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a dynamically balanced valve body; 2. a water inlet pipe; 3. a pressure reducing pipe; 4. a cover plate; 5. positioning blocks; 6. a threaded hole; 7. fixing the bolt; 8. a screw; 9. an adjusting plate; 10. a knob; 11. a spring; 12. a pressure reducing plate; 13. a drain pipe; 14. a rubber seal ring; 15. and (4) a bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a dynamic balance valve with adjustable, including dynamic balance valve body 1, one side of dynamic balance valve body 1 is provided with inlet tube 2, the intercommunication is provided with decompression pipe 3 on the circumference of inlet tube 2, the decompression pipe 3 other end is provided with apron 4, the outside welding of apron 4 has locating piece 5, set up threaded hole 6 on the lateral wall of decompression pipe 3, the both sides at decompression pipe 3 are seted up to threaded hole 6 symmetry, the bilateral symmetry threaded connection of locating piece 5 has fixing bolt 7, fixing bolt 7's other end threaded connection is in threaded hole 6, threaded connection has screw rod 8 on the apron 4, the one end of screw rod 8 is rotated and is connected with regulating plate 9, the other end welding of screw rod 8 has knob 10, regulating plate 9 sets up the inside at decompression pipe 3, the lower surface welding of regulating plate 9 has spring 11, spring 11's other end welding has decompression board 12, one side.

Further, drain pipe 13 is provided with three groups, and three groups of drain pipes 13 vertically set up along reducing pipe 3, under the condition that water pressure increases, can increase drain pipe 13 and discharge water, convenient quick reduction water pressure.

Further, a rubber sealing ring 14 is arranged between the pressure reducing pipe 3 and the pressure reducing plate 12, the rubber sealing ring 14 is fixedly bonded on the inner wall of the pressure reducing pipe 3, and the rubber sealing ring 14 can seal the pressure reducing pipe 3 and the pressure reducing plate 12 to avoid water leakage.

Further, the bottom of the pressure reducing pipe 3 is welded with a bump 15, the pressure reducing plate 12 is arranged above the bump 15, and the bump 15 can limit the position of the pressure reducing plate 12 and prevent the pressure reducing plate 12 from entering the water inlet pipe 2.

Further, for threaded connection between decompression pipe 3 and inlet tube 2, can conveniently be with decompression pipe 3 and inlet tube 2 sealing connection, convenient to detach simultaneously.

Furthermore, the adjusting plate 9 and the pressure reducing plate 12 are connected with the pressure reducing pipe 3 in a sliding manner, so that the adjusting plate 9 and the pressure reducing plate 12 can move in the pressure reducing pipe 3 conveniently.

The working principle is as follows: the utility model discloses a set up reducing pipe 3 on inlet tube 2, when the rivers pressure in inlet tube 2 is great, rivers can upwards jack up reducing plate 12, make reducing plate 12 rise and compression spring 11, when the height of reducing plate 12 risees to be higher than drain pipe 13, rivers can discharge through drain pipe 13, thereby reduce the pressure of the inside rivers of inlet tube 2, then reducing plate 12 restores to original position through the spring action of spring 11, make the pressure of the inside rivers of inlet tube 2 keep normal, can protect dynamic balance valve body 1, increase the life of dynamic balance valve body 1, simultaneously, can drive screw rod 8 through rotating knob 10, screw rod 8 rotates and can drive regulating plate 9 to remove, regulating plate 9 removes and can adjust the compression capacity of spring 11, when increasing the compression capacity of spring 11, then need the bigger pressure of rivers just can jack-up step-down plate 12 for reduce the pressure that bigger discharge produced, when reducing the compressive capacity of spring 11, then need the less pressure of rivers just can jack-up step-down plate 12, be used for reducing the pressure that produces less discharge, thereby conveniently adjust step-down plate 12 and carry out the step-down to the rivers of different pressure sizes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustable dynamic balance valve, which comprises a dynamic balance valve body (1), and is characterized in that: one side of the dynamic balance valve body (1) is provided with a water inlet pipe (2), a pressure reducing pipe (3) is communicated and arranged on the circumference of the water inlet pipe (2), a cover plate (4) is arranged at the other end of the pressure reducing pipe (3), a positioning block (5) is welded on the outer side of the cover plate (4), a threaded hole (6) is formed in the side wall of the pressure reducing pipe (3), the threaded hole (6) is symmetrically formed in two sides of the pressure reducing pipe (3), fixing bolts (7) are symmetrically and threadedly connected to two sides of the positioning block (5), the other end of each fixing bolt (7) is threadedly connected into the threaded hole (6), a screw rod (8) is threadedly connected onto the cover plate (4), an adjusting plate (9) is rotatably connected to one end of the screw rod (8), a knob (10) is welded to the other end of the screw rod (8), and the adjusting, the lower surface welding of regulating plate (9) has spring (11), the other end welding of spring (11) has step-down plate (12), one side intercommunication of step-down pipe (3) is provided with drain pipe (13).

2. The adjustable dynamic balancing valve of claim 1, wherein: the three groups of the drainage pipes (13) are arranged, and the three groups of the drainage pipes (13) are longitudinally arranged along the pressure reducing pipe (3).

3. The adjustable dynamic balancing valve of claim 1, wherein: a rubber sealing ring (14) is arranged between the pressure reducing pipe (3) and the pressure reducing plate (12), and the rubber sealing ring (14) is fixedly bonded on the inner wall of the pressure reducing pipe (3).

4. The adjustable dynamic balancing valve of claim 1, wherein: the bottom of the pressure reducing pipe (3) is welded with a lug (15), and the pressure reducing plate (12) is arranged above the lug (15).

5. The adjustable dynamic balancing valve of claim 1, wherein: the pressure reducing pipe (3) is in threaded connection with the water inlet pipe (2).

6. The adjustable dynamic balancing valve of claim 1, wherein: the adjusting plate (9) and the pressure reducing plate (12) are in sliding connection with the pressure reducing pipe (3).