CN212251142U

CN212251142U - Flow regulating device with movable valve core

Info

Publication number: CN212251142U
Application number: CN202020378508.6U
Authority: CN
Inventors: 周文辉; 黄浩佳; 张海; 沈黔
Original assignee: Zhongshan Anbo Health Technology Co ltd
Current assignee: Zhongshan Anbo Health Technology Co ltd; Zhongshan Meitu Plastic Industry Co Ltd
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2020-12-29
Anticipated expiration: 2030-03-21

Abstract

The invention relates to a flow regulating device of a movable valve core, wherein a device body of the flow regulating device is provided with a first connecting part and a second connecting part, one end of the first connecting part is externally connected with liquid, the other end of the first connecting part is connected with the middle part of the second connecting part, a first channel for the liquid to flow is arranged in the first connecting part, and a second channel communicated with the first channel is arranged in the second connecting part; a moving plug and an adjusting knob are sequentially sleeved in the second connecting part; the lower end of the adjusting knob is in threaded connection with the moving plug; the lower port of the second channel is of a necking structure, when the adjusting knob is rotated, the moving plug moves upwards or downwards along the axial direction of the second channel to enable the lower port of the second channel to be in an open state or a closed state, the size of water flow is controlled by rotating the adjusting knob, and the water flow adjusting device is simple in structure and ingenious in design; in addition, the moving plug is provided with a first sealing ring, and when the moving plug is completely closed, the direction of water pressure borne by the moving plug and the first sealing ring is consistent with the sealing direction, namely the higher the water pressure is, the better the sealing performance is.

Description

Flow regulating device with movable valve core

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of valves, in particular to a flow regulating device.

[ background of the invention ]

The invention provides a small and exquisite movable valve core flow regulating device with high sealing requirement.

In addition, a sealing ring or a sealing plug of the flow regulating device in the prior art needs to resist water pressure, the sealing direction of the flow regulating device is opposite to the water pressure direction, leakage is easy to occur when the water pressure is high, and the sealing performance is poor.

[ summary of the invention ]

In order to solve the problems, the invention provides a small and exquisite movable valve core flow regulating device with strong sealing performance.

In order to achieve the purpose, the invention provides the following technical scheme:

a flow regulating device of a movable valve core comprises a device body, wherein the device body is provided with a first connecting part and a second connecting part, one end of the first connecting part is externally connected with liquid, the other end of the first connecting part is connected with the middle part of the second connecting part, a first channel for the liquid to flow is arranged in the first connecting part, a second channel communicated with the first channel is arranged in the second connecting part, and the flow regulating device of the movable valve core further comprises a movable plug and a regulating knob which are sequentially sleeved in the second connecting part; the adjustment knob is only circumferentially rotatable and not axially movable relative to the second channel, and the moving plug is only axially movable and not circumferentially rotatable relative to the second channel; the adjusting knob is provided with a knob body part positioned in the second channel, and the knob body part is in sealing connection with the inner wall side of the second channel; the upper end of the knob body part extends outwards to form a rotating part positioned outside the second connecting part, and the lower end of the knob body part is in threaded connection with the moving plug; the lower port of the second channel is in a necking structure, and when the adjusting knob is rotated, the moving plug moves upwards or downwards along the axial direction of the second channel so that the lower port of the second channel is in an open state or a closed state.

As a preferred embodiment, further defined is: the lower end of the moving plug is provided with an inclined plane matched with the lower end of the second channel; a first sealing groove positioned at the upper end of the inclined plane is formed in the side end of the moving plug, and a first sealing ring is arranged in the first sealing groove; when the lower port of the second channel is in a closed state, the outer side of the first sealing ring is abutted against the inner side wall of the second channel; and a second sealing groove is formed in the outer side of the knob body in a concave manner, a second sealing ring is arranged in the second sealing groove, and the outer side of the second sealing ring abuts against the inner side wall of the second channel after assembly.

As a preferred embodiment, further defined is: the lower end of the knob body part is provided with an external thread column protruding downwards, the moving plug is provided with a blind hole with an upward opening and used for the external thread column to extend into, and the inner side wall of the blind hole is provided with an internal thread connected with the external thread column through a thread.

As a preferred embodiment, further defined is: the upper end of the motion plug is outwards protruded to form an adjusting column, an opening which faces upwards and is used for the external thread column to stretch into the blind hole is formed in the adjusting column, and an internal thread which is in threaded connection with the external thread column is arranged on the inner side wall of the blind hole.

As a preferred embodiment, further defined is: the outside of adjusting the post is provided with the bellied stopper in the outside, be provided with the spacing groove in the stopper, the inner wall of second connecting portion be provided with spacing groove assorted spacing key.

As a preferred embodiment, further defined is: the diameter of the rotating part is larger than that of the knob body part; the adjusting knob is further provided with a third connecting portion used for connecting the rotating portion and the knob body portion, the diameter of the third connecting portion is smaller than that of the knob body portion, a clamping groove is formed between the rotating portion and the knob body portion, and the adjusting knob is axially fixed on the device body through a pressing cover.

As a preferred embodiment, further defined is: the gland comprises an arc-shaped part with an opening at the side end and a clamping part positioned at the upper end of the arc-shaped part, and the clamping part is provided with a bayonet for the clamping groove to be inserted; the front end of the arc-shaped part extends downwards to form a connecting part, a clamping block is arranged at the lower end of the connecting part, and a clamping table matched with the clamping block is arranged on the outer side of the first connecting part; after assembly, the arc-shaped part is coated on the outer side of the second connecting part, the clamping part is inserted into the clamping groove and is positioned between the rotating part and the knob body part, and the clamping block is clamped on the lower end face of the clamping table.

As a preferred embodiment, further defined is: and the inner side wall of the arc-shaped part is also provided with a claw part matched with the second connecting part.

As a preferred embodiment, further defined is: the outside of rotation portion is provided with a plurality of ring array distribution's latch, be provided with on the block portion with latch assorted card is protruding.

The beneficial effects of the invention are as follows:

1. the device body provided by the invention is provided with a first connecting part and a second connecting part, wherein a moving plug and an adjusting knob are sequentially sleeved in the second connecting part; the adjusting knob can only circumferentially rotate but not axially move relative to the second channel, and the moving plug can only axially move but not circumferentially rotate relative to the second channel; the lower end of the adjusting knob is in threaded connection with the moving plug; the lower port of second passageway is the throat structure, moves the stopper and upwards or move downwards along the axial direction of second passageway and make the lower port of second passageway be open mode or closed state when rotating adjust knob, controls rivers size through rotating adjust knob, simple structure, design benefit.

2. When the movable valve element flow regulating device is in a completely closed state, the direction of water pressure borne by the movable plug and the first sealing ring is consistent with the sealing direction, namely the larger the water pressure is, the stronger the sealing property is.

[ description of the drawings ]

FIG. 1 is a schematic structural diagram of the invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the adjustment knob;

FIG. 4 is a schematic view of the structure of the kinematic plug;

FIG. 5 is a schematic view of the gland;

FIG. 6 is a longitudinal sectional view of the invention;

FIG. 7 is a transverse cross-sectional view of the invention creating a closed state;

fig. 8 is a transverse cross-sectional view of the inventive open position.

[ detailed description ] embodiments

The invention is described in further detail below with reference to the following figures and detailed description:

as shown in fig. 1 to 8, the flow regulating device of the movable valve core comprises a device body 1, wherein the device body 1 is provided with a first connecting part 11 and a second connecting part 12, one end of the first connecting part 11 is externally connected with liquid, the other end of the first connecting part is connected with the middle part of the second connecting part 12, a first channel 13 for the liquid to flow is arranged in the first connecting part 11, a second channel 14 communicated with the first channel 13 is arranged in the second connecting part 12, and the flow regulating device of the movable valve core further comprises a movable plug 3 and an adjusting knob 2 which are sequentially sleeved in the second connecting part 12; the adjusting knob 2 is only circumferentially rotatable and not axially movable with respect to the second channel 14, the moving plug 3 is only axially movable and not circumferentially rotatable with respect to the second channel 14; the adjusting knob 2 is provided with a knob body part 21 positioned in the second channel 14, and the knob body part 21 is connected with the inner wall side of the second channel 14 in a sealing way; the upper end of the knob body 21 extends outwards to form a rotating part 22 located outside the second connecting part 12, and the lower end of the adjusting knob 2 is in threaded connection with the moving plug 3 (i.e. the lower end of the knob body 21 is in threaded connection with the moving plug 3); the lower port of the second channel 14 is in a necking structure, and when the adjusting knob 2 is rotated, the moving plug 3 moves upwards or downwards along the axial direction of the second channel 14, so that the lower port of the second channel 14 is in an open state or a closed state. The water flow is controlled by rotating the adjusting knob, the structure is simple, and the design is ingenious. When the movable valve core flow regulating device is in an open state, liquid enters from the first channel 13 and then flows out from the lower end of the second channel 14.

In addition, because the lower port of the second channel 14 is in a necking structure, and the first sealing ring is located at the lower end of the first channel 13, when the movable valve core flow regulating device is in a completely closed state, the direction of the water pressure borne by the movable plug 3 and the first sealing ring 4 is consistent with the sealing direction, that is, the higher the water pressure is, the stronger the sealing performance is.

In this embodiment, the lower end of the moving plug 3 is provided with a slope 31 adapted to the lower end of the second channel 14; a first sealing groove 32 is formed in the side end of the moving plug 3 and positioned at the upper end of the inclined surface 31, and a first sealing ring 4 is arranged in the first sealing groove 32; as shown in fig. 7, when the lower port of the second passage 14 is in a closed state, the outer side of the first sealing ring 4 abuts against the inner side wall of the second passage 14; the first sealing ring 4 is now in a compressed state between the second channel 14 and the moving plug 3, and no liquid can flow out of the lower end of the second channel 14. Further, when the adjusting knob 2 is turned to move the moving plug 3 upward, the lower port of the second passage 14 is opened; when the adjusting knob 2 is turned to move the moving plug 3 downwards to reset (i.e. the first sealing ring 4 returns to the squeezed state), the lower port of the second channel 14 is in a closed state. Meanwhile, in order to prevent the liquid from flowing out from the upper end of the second channel 14, a second sealing groove 24 is formed in the outer side of the knob body 21 in a concave manner, a second sealing ring 5 is arranged in the second sealing groove 24, and the outer side of the second sealing ring 5 abuts against the inner side wall of the second channel 14 after assembly. As shown in fig. 8, when the adjusting knob 2 is turned to move the moving plug 3 upward, the lower port of the second passage 14 is in an open state.

In order to make the water pressure direction that motion stopper 3 and first sealing washer 4 bore unanimous with sealed direction, the lower extreme of motion stopper 3 is provided with outside bellied pressure-bearing part 37, pressure-bearing part 37 is located the upper end of first seal groove 32, when water pressure is great, water pressure can push down the up end of pressure-bearing part, makes the water pressure direction that motion stopper 3 and first sealing washer 4 bore unanimous with sealed direction from this, and the leakproofness is better.

In this embodiment, the lower end of the knob body 21 has a male screw column 23 protruding downward, the moving plug 3 is provided with a blind hole 33 having an upward opening and allowing the male screw column 23 to extend into, and the inner side wall of the blind hole 33 is provided with a female screw connected to the male screw column 23 by a screw thread. In order to further reduce the size of the components and parts and make the flow regulating device smaller, the upper end of the movable plug 3 is convexly provided with the regulating column 34, and the regulating column 34 is smaller than the body of the movable plug 3, so that a space for liquid to flow is formed between the outer side of the regulating column 34 and the second channel 14, and the design is ingenious. It is up and supply to be provided with the opening in the regulation post 34 the external screw thread post 23 stretches into blind hole 33, the inside wall of blind hole 33 be provided with external screw thread post 23 threaded connection's internal thread adopts threaded connection's mode, can make the regulation nonpolarization of flow, and adjusts more steadily, and the screw thread has played the auto-lock effect simultaneously, can prevent that water pressure from promoting adjust knob 2 and rotate.

In this embodiment, a limiting block 35 protruding outward is disposed on the outer side of the adjusting column 34, a limiting groove 36 is disposed in the limiting block 35, a limiting key 15 matched with the limiting groove 36 is disposed on the inner wall of the second connecting portion 12, and the limiting groove 36 is matched with the limiting key 15, so that the movable plug 3 can only move axially relative to the second channel 14 and cannot rotate circumferentially. In order to facilitate the entering of the limiting key 15 into the limiting groove 36, the lower port of the limiting groove 36 is designed into a flaring structure.

In the present embodiment, the diameter of the rotating portion 22 is larger than the diameter of the knob body portion 21; the adjustment knob 2 further has a third connecting portion 25 for connecting the rotating portion 22 and the knob body portion 21, the third connecting portion 25 has a diameter smaller than that of the knob body portion 21, a catching groove 26 is formed between the rotating portion 22 and the knob body portion 21, and the adjustment knob 2 is axially fixed to the apparatus body 1 by a gland 6, so that the adjustment knob 2 is circumferentially rotatable and axially immovable only with respect to the second passage 14.

More specifically, the gland 6 includes an arc portion 61 with an opening at a side end and a clamping portion 62 located at an upper end of the arc portion 61, and the clamping portion 62 is provided with a bayonet 63 for inserting the clamping groove 26; a connecting part 64 is formed by extending the front end of the arc part 61 downwards, a clamping block 65 is arranged at the lower end of the connecting part 64, and a clamping table matched with the clamping block 65 is arranged on the outer side of the first connecting part 11; after assembly, the arc part 61 is covered on the outer side of the second connecting part 12, the clamping part 62 is inserted into the clamping groove 26 and is positioned between the rotating part 22 and the knob body part 21, and the clamping block 65 is clamped on the lower end surface of the clamping table.

In order to make the gland 6 connect with the second connecting portion 12 more firmly, the inner side wall of the arc portion 61 is further provided with a claw portion 66 matching with the second connecting portion 12. The claw part 66 is an arc-shaped claw, so that the second connecting part 12 is clamped into the arc-shaped part 61 through interference fit, and the installation is firmer.

In order to further improve the flow regulation gear, a plurality of latches 27 distributed in an annular array are arranged on the outer side of the rotating portion 22, and a latch protrusion 67 matched with the latch 27 is arranged on the engaging portion 62. In this embodiment, the latch 27 is arc-shaped, and the latch 67 is cylindrical, so that the latch 67 is sequentially engaged with the plurality of latches 27 when the adjustment knob 2 is rotated. In this embodiment, the two clamping protrusions 67 are symmetrically arranged, so that the adjusting knob 2 can be locked better when the adjusting knob is static, and the design is ingenious.

Claims

1. A flow regulating device of a movable valve core comprises a device body (1), wherein the device body (1) is provided with a first connecting part (11) and a second connecting part (12), one end of the first connecting part (11) is externally connected with liquid, the other end of the first connecting part is connected with the middle part of the second connecting part (12), a first channel (13) for liquid to flow is arranged in the first connecting part (11), a second channel (14) communicated with the first channel (13) is arranged in the second connecting part (12), and the flow regulating device is characterized by further comprising a movable plug (3) and a regulating knob (2) which are sequentially sleeved in the second connecting part (12); the adjusting knob (2) being circumferentially rotatable and axially non-movable with respect to the second channel (14), the moving plug (3) being axially movable and non-circumferentially rotatable with respect to the second channel (14); the adjusting knob (2) is provided with a knob body part (21) positioned in the second channel (14), and the knob body part (21) is in sealing connection with the inner wall side of the second channel (14); the upper end of the knob body part (21) extends outwards to form a rotating part (22) positioned outside the second connecting part (12), and the lower end of the knob body part (21) is in threaded connection with the moving plug (3); the lower port of the second channel (14) is in a necking structure, and when the adjusting knob (2) is rotated, the moving plug (3) moves upwards or downwards along the axial direction of the second channel (14) so that the lower port of the second channel (14) is in an opening state or a closing state.

2. A movable spool flow rate regulating device according to claim 1, characterized in that the lower end of the moving plug (3) is provided with a slope (31) adapted to the lower end of the second passage (14); a first sealing groove (32) is formed in the side end of the moving plug (3) and located at the upper end of the inclined surface (31), and a first sealing ring (4) is arranged in the first sealing groove (32); when the lower port of the second channel (14) is in a closed state, the outer side of the first sealing ring (4) is abutted against the inner side wall of the second channel (14); the outer side of the knob body portion (21) is concavely provided with a second sealing groove (24), a second sealing ring (5) is arranged in the second sealing groove (24), and the outer side of the second sealing ring (5) abuts against the inner side wall of the second channel (14) after assembly.

3. The device for regulating the flow of the movable valve core according to claim 2, wherein the lower end of the knob body part (21) is provided with an external threaded column (23) protruding downwards, the movable plug (3) is provided with a blind hole (33) with an upward opening and allowing the external threaded column (23) to extend into, and the inner side wall of the blind hole (33) is provided with an internal thread in threaded connection with the external threaded column (23).

4. The device for regulating the flow of the movable valve core according to claim 3, wherein an adjusting column (34) is formed at the upper end of the movable plug (3) in an outward protruding manner, the adjusting column (34) is internally provided with the blind hole (33) with an upward opening for the external threaded column (23) to extend into, and the inner side wall of the blind hole (33) is provided with an internal thread in threaded connection with the external threaded column (23).

5. The device for regulating the flow of the movable valve core according to claim 4, wherein a limiting block (35) protruding outwards is arranged on the outer side of the regulating column (34), a limiting groove (36) is arranged in the limiting block (35), and a limiting key (15) matched with the limiting groove (36) is arranged on the inner wall of the second connecting part (12).

6. A valve core flow regulating device according to any one of claims 1-5, characterized in that the diameter of the turning part (22) is larger than the diameter of the knob body part (21); the adjusting knob (2) is further provided with a third connecting portion (25) used for connecting the rotating portion (22) and the knob body portion (21), the diameter of the third connecting portion (25) is smaller than that of the knob body portion (21), a clamping groove (26) is formed between the rotating portion (22) and the knob body portion (21), and the adjusting knob (2) is axially fixed on the device body (1) through a pressing cover (6).

7. The movable valve core flow regulating device according to claim 6, characterized in that the gland (6) comprises an arc-shaped part (61) with an opening at the side end and a clamping part (62) positioned at the upper end of the arc-shaped part (61), and the clamping part (62) is provided with a bayonet (63) for inserting the clamping groove (26); the front end of the arc-shaped part (61) extends downwards to form a connecting part (64), the lower end of the connecting part (64) is provided with a clamping block (65), and the outer side of the first connecting part (11) is provided with a clamping table matched with the clamping block (65); after assembly, the arc-shaped part (61) covers the outer side of the second connecting part (12), the clamping part (62) is inserted into the clamping groove (26) and is positioned between the rotating part (22) and the knob body part (21), and the clamping block (65) is clamped on the lower end face of the clamping table.

8. The movable valve core flow regulating device according to claim 7, characterized in that a claw part (66) matched with the second connecting part (12) is further arranged on the inner side wall of the arc-shaped part (61).

9. The device for regulating the flow of the movable valve core according to claim 7, characterized in that a plurality of latch teeth (27) distributed in an annular array are arranged on the outer side of the rotating part (22), and a latch protrusion (67) matched with the latch teeth (27) is arranged on the clamping part (62).