CN214036944U

CN214036944U - Proportional control flow pressure valve

Info

Publication number: CN214036944U
Application number: CN202023007980.8U
Authority: CN
Inventors: 刘继
Original assignee: Shenyang Sikaile Hydraulic Electromechanical Co ltd
Current assignee: Shenyang Sikaile Hydraulic Electromechanical Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-24
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a proportional control flow pressure valve, including the pressure pipe, the control groove has been seted up to the pressure pipe lateral wall, the rotation hole has been seted up to the bottom in the control groove, the rotation hole inside wall rotates and is connected with the threaded rod, the bottom rotates and is connected with spacing axle in the control groove, the threaded rod lateral wall is equipped with control mechanism, pressure pipe inside wall fixedly connected with current-limiting plate, a plurality of current-limiting ports have been seted up on the current-limiting plate, current-limiting plate lateral wall rotates and is connected with the rotation axis. The utility model discloses a current-limiting plate and current-limiting mouth that set up can make rivers flow through the current-limiting mouth, and when the rotor plate rotated, when the mouth that flows corresponded with the current-limiting mouth, rivers can flow through the mouth that flows and the current-limiting mouth, and when the mouth that flows did not correspond with the current-limiting mouth, rivers can be very big to the pressure of current-limiting plate, impels the piece this moment and removes to impelling the inslot to can reduce the pressure of rivers to the current-limiting plate, improved the security of device.

Description

Proportional control flow pressure valve

Technical Field

The utility model relates to a pressure valve technical field especially relates to a proportional control flow pressure valve.

Background

The pressure valve is also called self-operated balance valve, flow control valve, flow controller, dynamic balance valve and flow balance valve, and is a visual and simple flow regulation control device, the flow regulation valve can be used in pipe network to directly set flow according to design, the valve can automatically eliminate residual pressure head of pipeline and flow deviation caused by pressure fluctuation under the action of water, the set flow is kept unchanged no matter how the system pressure changes, the functions of the valve can complete the flow regulation of pipe network at one time, the network regulation work is changed into simple flow distribution, and the hydraulic imbalance of pipe network is effectively solved. The flow regulating valve is mainly applied to: in the water systems of central heating (cooling) and the like, the flow of a pipe network is distributed according to needs, the hydraulic imbalance of the water systems is eliminated, and the problem of uneven cooling and heating is solved.

When the pressure valve at the present stage is used for limiting water flow, sometimes the flow of the water flow cannot be controlled due to overlarge water flow pressure, and the relation between the system pressure and the flow cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a proportional control flow pressure valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a proportional control flow pressure valve, includes the pressure pipe, the control groove has been seted up to the pressure pipe lateral wall, the rotation hole has been seted up to the bottom in the control groove, the rotation hole inside wall rotates and is connected with the threaded rod, the bottom rotates and is connected with spacing axle in the control groove, the threaded rod lateral wall is equipped with control mechanism, pressure pipe inside wall fixedly connected with current-limiting plate, a plurality of current-limiting ports have been seted up on the current-limiting plate, current-limiting plate lateral wall rotates and is connected with the rotation axis, the rotation axis passes through drive mechanism and is connected with the threaded rod.

Preferably, control mechanism includes sliding connection at the propulsion board of spacing off-axial side wall, the last propulsion mouth of having seted up of propulsion board, the inside wall of propulsion mouth is equipped with the internal thread, the threaded rod lateral wall is equipped with the external screw thread, internal thread and external screw thread threaded connection.

Preferably, the top of the propulsion plate is fixedly connected with a propulsion block, the propulsion block penetrates through the bottom in the control groove and extends into the pressure pipe, and a propulsion groove corresponding to the propulsion block is formed in the inner side wall of the pressure pipe.

Preferably, the transmission mechanism comprises a first bevel gear fixedly connected to the outer side wall of the threaded rod, a second bevel gear fixedly connected to the outer side wall of the rotating shaft, and the first bevel gear is in meshed connection with the second bevel gear.

Preferably, the outer side wall of the rotating shaft is fixedly connected with a rotating plate, and a flow port corresponding to the flow limiting port is formed in the rotating plate.

Preferably, the threaded rod is far away from one end fixedly connected with turning handle of control groove, the spacing axle is far away from the one end fixedly connected with stopper of control inslot bottom.

Compared with the prior art, the utility model has the following advantage:

through the restricted flow board and the restricted flow mouth that set up, can make rivers flow through the restricted flow mouth, when the rotor plate rotates, when the mouth that flows corresponds with the restricted flow mouth, rivers can flow through the mouth that flows and the restricted flow mouth, when the mouth that flows does not correspond with the restricted flow mouth, rivers can be very big to the pressure of restricted flow board, impel the piece this moment and remove to impeling the inslot to can reduce the pressure of rivers to the restricted flow board, improve the security of device.

Drawings

Fig. 1 is a schematic structural view of a proportional control flow pressure valve according to the present invention;

fig. 2 is a schematic structural view of a flow restriction plate in a proportional control flow pressure valve according to the present invention.

In the figure: 1. a pressure pipe; 2. a control slot; 3. a threaded rod; 4. a limiting shaft; 5. a propulsion plate; 6. a propulsion block; 7. a propulsion tank; 8. a restrictor plate; 9. a rotating shaft; 10. a rotating plate; 11. rotating the hole; 12. a flow restriction port.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a proportional control flow pressure valve, which comprises a pressure pipe 1, a control groove 2 is arranged on the outer side wall of the pressure pipe 1, a rotation hole 11 is arranged at the bottom in the control groove 2, a threaded rod 3 is rotatably connected to the inner side wall of the rotation hole 11, a limit shaft 4 is rotatably connected to the bottom in the control groove 2, a control mechanism is arranged on the outer side wall of the threaded rod 3, the control mechanism can share the pressure of water flow on a current limiting plate 8, the control mechanism comprises a propelling plate 5 which is slidably connected to the outer side wall of the limit shaft 4, a propelling port is arranged on the propelling plate 5, an inner wall of the propelling port is provided with an inner thread, an outer thread is arranged on the outer side wall of the threaded rod 3, the inner thread is in threaded connection with the outer thread, a propelling block 6 is fixedly connected to the top of the propelling plate 5, the propelling block 6 penetrates through the inner bottom of the control groove 2 and extends into the pressure pipe 1, a propelling groove 7 corresponding to the propelling block 6 is arranged on the inner side wall of the pressure pipe 1, the matching use of the propelling groove 7 and the propelling block 6 can effectively bear the pressure of water flow, thereby improving the stability of the device;

the flow limiting plate is fixedly connected to the inner side wall of the pressure pipe 1, a plurality of flow limiting ports 12 are formed in the flow limiting plate 8, the outer side wall of the flow limiting plate 8 is rotatably connected with a rotating shaft 9, a rotating plate 10 is fixedly connected to the outer side wall of the rotating shaft 9, and flow ports corresponding to the flow limiting ports 12 are formed in the rotating plate 10, wherein the rotating plate 10 and the flow limiting plate 8 are arranged in a fit mode, when the rotating plate 10 rotates to enable the flow ports to correspond to the flow limiting ports 12, water can flow through the flow ports and the flow limiting ports 12, and the size of the water can be controlled by controlling the size of the positions where the flow ports correspond to the flow limiting ports 12;

rotation axis 9 passes through drive mechanism and is connected with threaded rod 3, drive mechanism includes the first bevel gear of fixed connection at 3 lateral walls of threaded rod, 9 lateral walls of rotation axis fixedly connected with second bevel gear, first bevel gear is connected with second bevel gear meshing, rotation axis 9 rotates and drives rotor plate 10 and rotate, when rotor plate 10 rotates to flowing mouthful and restriction mouth 12 corresponds, rivers can flow through flowing mouthful and restriction mouth 12, and can also flow the size that mouthful and restriction mouth 12 correspond the size of department and control rivers through the control, threaded rod 3 keeps away from the one end fixedly connected with turning handle of control groove 2, the one end fixedly connected with stopper of control groove 2 bottom is kept away from to spacing axle 4, the stopper can make propulsion board 5 can not break away from spacing axle 4.

The utility model discloses specific theory of operation as follows:

firstly, when water flows in the pressure pipe 1, the rotating handle is pulled to drive the threaded rod 3 to rotate, the rotating shaft 9 is driven to rotate by matching of the first bevel gear and the second bevel gear when the threaded rod 3 rotates, the rotating shaft 9 rotates to drive the rotating plate 10 to rotate, when the rotating plate 10 rotates until the flow opening corresponds to the flow limiting opening 12, the water flows through the flow opening and the flow limiting opening 12, and the size of the water flow can be controlled by controlling the size of the flow opening corresponding to the flow limiting opening 12;

when water flow stops, the rotating handle is pulled to enable the position, which does not correspond to the flow limiting port 12, of the flow port to stop the water flow, but the pressure of the water flow on the flow limiting plate 8 is large at the moment, and when the threaded rod 3 rotates, the pushing plate 5 can be driven to move upwards, so that the pushing block 6 is attached to the bottom in the pushing groove 7, and the pressure of the water flow on the flow limiting plate 8 can be relieved at the moment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a proportional control flow pressure valve, includes pressure pipe (1), its characterized in that, control groove (2) have been seted up to pressure pipe (1) lateral wall, bottom has been seted up in control groove (2) and has been rotated hole (11), it is connected with threaded rod (3) to rotate hole (11) inside wall, bottom rotation is connected with spacing axle (4) in control groove (2), threaded rod (3) lateral wall is equipped with control mechanism, pressure pipe (1) inside wall fixedly connected with current-limiting plate (8), a plurality of current-limiting ports (12) have been seted up on current-limiting plate (8), current-limiting plate (8) lateral wall rotates and is connected with rotation axis (9), rotation axis (9) are connected with threaded rod (3) through drive mechanism.

2. The proportional control flow pressure valve according to claim 1, wherein the control mechanism comprises a push plate (5) slidably connected to an outer side wall of the limit shaft (4), a push port is formed in the push plate (5), an inner side wall of the push port is provided with an internal thread, an outer side wall of the threaded rod (3) is provided with an external thread, and the internal thread is in threaded connection with the external thread.

3. The proportional control flow pressure valve according to claim 2, wherein a propulsion block (6) is fixedly connected to the top of the propulsion plate (5), the propulsion block (6) extends through the bottom in the control groove (2) and extends into the pressure pipe (1), and a propulsion groove (7) corresponding to the propulsion block (6) is formed in the inner side wall of the pressure pipe (1).

4. A proportional control flow pressure valve according to claim 1, wherein the transmission mechanism comprises a first bevel gear fixedly connected to the outer side wall of the threaded rod (3), and a second bevel gear fixedly connected to the outer side wall of the rotating shaft (9), wherein the first bevel gear is meshed with the second bevel gear.

5. The proportional control flow pressure valve according to claim 1, wherein a rotating plate (10) is fixedly connected to an outer side wall of the rotating shaft (9), and a flow port corresponding to the flow restriction port (12) is formed in the rotating plate (10).

6. The proportional control flow pressure valve according to claim 1, wherein a rotating handle is fixedly connected to one end of the threaded rod (3) far away from the control groove (2), and a limiting block is fixedly connected to one end of the limiting shaft (4) far away from the bottom in the control groove (2).