CN110206893B

CN110206893B - Stop valve convenient to adjust

Info

Publication number: CN110206893B
Application number: CN201910495649.8A
Authority: CN
Inventors: 刘艳文; 马妮娜; 孟莉
Original assignee: Zhejiang Carbo Copper Industry Co ltd
Current assignee: ZHEJIANG CARBO COPPER INDUSTRY Co.,Ltd.
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-12-22
Anticipated expiration: 2039-06-10
Also published as: CN110206893A

Abstract

The invention relates to a stop valve convenient to adjust, which comprises a connecting pipe, a control assembly and a waterproof assembly, wherein the connecting pipe is in an inverted T shape, a circular groove is formed in the upper end of the connecting pipe, the control assembly is connected with the circular groove in a threaded manner, the lower end of the control assembly is connected with the waterproof assembly in a sliding fit manner, the control assembly comprises a connecting cylinder arranged on the inner wall of the upper end of a groove, a limiting table is arranged on the inner wall of the lower end of the connecting cylinder, a control screw is connected with the inner thread of the limiting table, and an auxiliary toothed ring is connected with the inner wall of. The invention can solve the problems that the thread adjusting rod is fixedly connected with the valve plug, the easy live wire is screwed, the friction between the valve plug and the connecting port is increased, the service life of the valve plug is reduced, and the existing multi-way stop valve is only adjusted by the main rod and is complex to adjust; the function of convenient adjustment and long service life of the stop valve can be realized; has the advantages of difficult filament activation, long service life and simple adjustment of water flow direction.

Description

Stop valve convenient to adjust

Technical Field

The invention relates to the field of valves, in particular to a stop valve convenient to adjust.

Background

The valve is the important control mechanism when fluid transport, can open and close the pipeline through the valve, control flow direction, regulation and control transport medium's parameter etc. and the valve variety on the market is various, shut-off valve, governing valve, stop valve etc. however, the stop valve in the existing market has many problems when using:

the first problem is that: the thread adjusting rod of the existing stop valve is fixedly connected with the valve plug, so that the thread adjusting rod is easy to be screwed too tightly when in use, the thread of the thread adjusting rod is led to be screwed, meanwhile, the friction between the valve plug and a connecting port is increased, and the service life of the valve plug is reduced;

the second problem is that: the existing multi-way stop valve only has the advantages that a plurality of valve plugs are controlled by a general adjusting rod, and the valve plugs are controlled to be in proper positions by the general adjusting rod when the water outlet direction is adjusted, so that the adjustment is complex.

In view of the above-mentioned problems, no better research and practice results exist under the existing technical conditions, so that further research and practice are necessary to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the problems, the invention adopts the following technical scheme that the stop valve convenient to adjust comprises a connecting pipe, a control assembly and a waterproof assembly, wherein the connecting pipe is in an inverted T shape, a circular groove is formed in the upper end of the connecting pipe, the control assembly is connected with the circular groove in a threaded manner, and the lower end of the control assembly is connected with the waterproof assembly in a sliding fit manner.

The control assembly comprises a connecting cylinder arranged on the inner wall of the upper end of the groove, a limiting table is arranged on the inner wall of the lower end of the connecting cylinder, a control screw rod is connected with the inner thread of the limiting table, an auxiliary toothed ring is connected to the inner wall of the connecting cylinder on the upper end of the limiting table through a bearing, a control turntable is installed on the upper end face of the control screw rod, and a single control mechanism is connected to the middle of the control screw rod in a sliding fit mode.

The upper end of the side wall of the control screw is provided with an auxiliary ring, the control screw at the lower end of the auxiliary ring is provided with no thread teeth, the length of the no thread teeth is 0.5-1cm longer than the height of the limiting table, the side wall of the auxiliary ring is provided with the thread teeth, the lower end of the auxiliary ring is provided with an auxiliary plate through an auxiliary spring, the lower end surface of the auxiliary ring is uniformly provided with the auxiliary spring along the circumferential direction, and the lower end surface of the auxiliary plate is attached to the upper end of a ball rotatably connected with the upper end surface of the limiting table; during operation, the control assembly can drive the waterproof assembly to move up and down, and the control screw is prevented from screwing the movable wire.

The single control mechanism include with the single control screw rod that control screw rod middle part sliding fit is connected, the upper end of single control screw rod exceeds control carousel and upper end and installs the single control carousel, the lower extreme of single control screw rod pass the lower terminal surface of control screw rod and with waterproof component's internal thread connection, the lower extreme of single control screw rod passes through the waterproof board and installs supplementary stopper, supplementary stopper is hemispherical structure.

The lower end of the connecting pipe is internally provided with a communicating port, the lower end of the connecting pipe is provided with an auxiliary pipe, the upper end of the auxiliary pipe is provided with a hemispherical water inlet matched with the auxiliary plug, the auxiliary pipe is communicated with the connecting pipe, the lower end of the auxiliary pipe is in threaded connection with a waterproof cover, and a rubber pad is arranged inside the waterproof cover; during operation, the single control assembly can control a single water outlet according to use requirements, the problem that the single water outlet is adjusted by adjusting the master control screw is avoided, and the adjustment is simple, convenient and flexible.

The waterproof assembly comprises a waterproof plug clamped at the communication port, a sliding groove is formed in the upper end of the waterproof plug, the sliding groove is connected with the lower end of the control screw in a sliding fit mode, a baffle is arranged at the lower end of the side wall of the control screw, a waterproof spring is arranged between the upper end face of the baffle and the inner wall of the upper end of the sliding groove, a connecting rod is arranged at the right end of the waterproof plug, the right end of the connecting rod is connected with a sliding groove in the inner wall of the right end of the groove in a sliding fit mode, a threaded ring is arranged in the middle of the waterproof plug, and the threaded; during operation, the waterproof assembly can control the pipeline switch and can reduce the frictional force of the waterproof plug and the communication port, and the service life of the waterproof plug is prolonged.

The invention has the beneficial effects that:

the invention is provided with the single control mechanism, and the single control mechanism is added in the control assembly, so that the flow direction can be controlled integrally, single adjustment can be carried out according to the flow direction requirement, and the stop valve is more flexible to adjust and use;

the waterproof plug is movably connected with the control screw rod through the mutual matching of the control assembly and the waterproof assembly, the clamping force of the waterproof plug and the communication port can be automatically adjusted, the phenomenon that the friction force between the waterproof plug and the connection port is too large to reduce the service life of the waterproof plug is avoided, and meanwhile, the control assembly also avoids the phenomenon that the control screw rod tightens the movable wire.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the invention taken from the A-direction of FIG. 1;

fig. 3 is a schematic enlarged view of the invention from the B direction in fig. 1.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in figures 1 to 3, a stop valve convenient to adjust, including connecting pipe 1, control assembly 2 and waterproof assembly 3, connecting pipe 1 is the font of falling T, and the inside circular slot that is equipped with in connecting pipe 1 upper end, circular slot female connection have control assembly 2, and control assembly 2's lower extreme is connected with waterproof assembly 3 through sliding fit's mode.

Control assembly 2 including setting up connecting cylinder 21 at recess upper end inner wall, the lower extreme inner wall of connecting cylinder 21 is equipped with spacing platform 22, the inside threaded connection of spacing platform 22 has control screw 23, the connecting cylinder 21 inner wall of spacing platform 22 upper end is connected with supplementary ring gear 27 through the bearing, control carousel 25 is installed to control screw 23's up end, control screw 23's middle part is connected with single control mechanism 26 through sliding fit's mode.

An auxiliary ring 24 is mounted at the upper end of the side wall of the control screw 23, the control screw 23 at the lower end of the auxiliary ring 24 is not provided with a thread tooth, the length of the thread tooth is 0.5-1cm longer than the height of the limit table 22, the side wall of the auxiliary ring 24 is provided with the thread tooth, the lower end of the auxiliary ring 24 is provided with an auxiliary plate 29 through an auxiliary spring 28, the lower end surface of the auxiliary ring 24 is uniformly provided with the auxiliary spring 28 along the circumferential direction, and the lower end surface of the auxiliary plate 29 is attached to the upper end of the ball 20 rotatably connected with the upper end surface of the limit table 22; during operation, rotate through rotating the carousel and drive control screw 23 and reciprocate, control screw 23 reciprocates and drives waterproof component 3 and reciprocate, realizes the intercommunication or the off-state of water pipe, because control screw 23 of auxiliary ring 24 lower extreme does not have the thread tooth, when the thread tooth of screw upper end rotated below spacing platform 22, auxiliary ring 24 was connected with auxiliary ring gear 27 this moment, and it can only keep the screw rotation to continue to rotate and can not drive waterproof component 3 and reciprocate to the silk phenomenon has been avoided screwing up of control screw 23.

Single accuse mechanism 26 include with control screw 23 middle part sliding fit connected single accuse screw 261, single accuse carousel 262 is installed to the upper end of single accuse screw 261 higher than control carousel 25 and upper end, the lower extreme of single accuse screw 261 pass the lower terminal surface of control screw 23 and with waterproof component 3's internal thread connection, the lower extreme of single accuse screw 261 installs supplementary stopper 264 through waterproof board 263, supplementary stopper 264 is the hemisphere structure.

A communication port 11 is formed in the lower end of the connecting pipe 1, an auxiliary pipe 12 is arranged at the lower end of the connecting pipe 1, a hemispherical water inlet matched with the auxiliary plug 264 is formed in the upper end of the auxiliary pipe 12, the auxiliary pipe 12 is communicated with the connecting pipe 1, a waterproof cover 13 is connected to the lower end of the auxiliary pipe 12 in a threaded mode, and a rubber pad 14 is arranged in the waterproof cover 13; the during operation, according to the use needs, when auxiliary pipe 12 is not used, waterproof cover 13 blocks up it, when auxiliary pipe 12 intercommunication has the water pipe, it rotates to drive single accuse screw 261 through rotating single accuse carousel 262, the lower extreme of single accuse screw 261 and the threaded ring 35 threaded connection in the waterproof stopper 31, thereby can drive single accuse screw 261 and reciprocate, single accuse screw 261 reciprocates and can drive the water inlet block and the separation of auxiliary stopper 264 with auxiliary pipe 12 upper end, thereby realized the single control to auxiliary pipe 12 play water, the drawback of adjusting single delivery port through adjusting total control screw 23 has been avoided.

The waterproof assembly 3 comprises a waterproof plug 31 clamped at the communication port 11, a sliding groove is formed in the upper end of the waterproof plug 31, the sliding groove is connected with the lower end of the control screw 23 in a sliding fit mode, a baffle 32 is arranged at the lower end of the side wall of the control screw 23, a waterproof spring 33 is arranged between the upper end face of the baffle 32 and the inner wall of the upper end of the sliding groove, a connecting rod 34 is arranged at the right end of the waterproof plug 31, the right end of the connecting rod 34 is connected with a sliding groove in the inner wall of the right end of the groove in a sliding fit mode, a threaded ring 35 is arranged in the middle of the waterproof plug 31, and the threaded ring 35; during operation, waterproof stopper 31 is when not blocking with intercommunication mouth 11, control screw 23 reciprocates and drives waterproof stopper 31 and reciprocate, waterproof stopper 31 and the 11 joint backs of intercommunication mouth, control screw 23 continues the downstream, when control screw 23 downstream drives waterproof stopper 31 decurrent pulling force through waterproof spring 33 and is greater than the frictional force of waterproof stopper 31 with the connector, waterproof stopper 31 continues the downstream, thereby realized that waterproof stopper 31 has the regulation space with the joint dynamics of intercommunication mouth 11, avoid waterproof stopper 31 and connector frictional force too big and reduce waterproof stopper 31 life.

And (3) live wire prevention: the control screw 23 is driven to move up and down by rotating the turntable, the control screw 23 moves up and down to drive the waterproof component 3 to move up and down, and the communication or closing state of the water pipe is realized, because the control screw 23 at the lower end of the auxiliary ring 24 has no thread teeth, when the thread teeth at the upper end of the screw rotate to be below the limit table 22, the auxiliary ring 24 is connected with the auxiliary gear ring 27, the continuous rotation only keeps the screw to rotate and can not drive the waterproof component 3 to move up and down, and therefore the phenomenon that the control screw 23 is screwed to tighten the live wire is avoided;

single control: according to the use requirement, when the auxiliary pipe 12 is not used, the waterproof cover 13 blocks the auxiliary pipe 12, when the auxiliary pipe 12 is communicated with a water pipe, the single-control rotary disc 262 is rotated to drive the single-control screw 261 to rotate, the lower end of the single-control screw 261 is in threaded connection with the threaded ring 35 in the waterproof plug 31, so that the single-control screw 261 can be driven to move up and down, the single-control screw 261 can drive the auxiliary plug 264 to be clamped and separated with the water inlet at the upper end of the auxiliary pipe 12 by moving up and down, the single control of the water outlet of the auxiliary pipe 12 is realized, and the defect that the single water outlet is adjusted by adjusting the main control screw;

reducing the water plug 31 friction: when the waterproof plug 31 is not clamped with the communication port 11, the control screw rod 23 moves up and down to drive the waterproof plug 31 to move up and down, after the waterproof plug 31 is clamped with the communication port 11, the control screw rod 23 continues to move down, when the control screw rod 23 moves down and drives the downward pulling force of the waterproof plug 31 to be greater than the friction force of the waterproof plug 31 and the connection port through the waterproof spring 33, the waterproof plug 31 continues to move down, so that the clamping force of the waterproof plug 31 and the communication port 11 is adjusted, and the waterproof plug 31 is prevented from being excessively large in friction force with the connection port, and the service life of the waterproof plug 31 is shortened.

Work flow to sum up the function that the stop valve adjusted convenient longe-lived has been realized, has solved the screw thread regulation pole and the valve plug fixed connection that current stop valve exists, screws up the friction of the easy silk of living of the tightening, increase valve plug and connector, reduces valve plug life and only total pole regulation with the current stop valve that leads to more, adjusts complicated scheduling problem, has reached the purpose.

The invention has been described in detail with reference to the embodiments illustrated in the drawings, and it is to be understood that variations and equivalent arrangements may be resorted to by those skilled in the art having the benefit of the teachings herein.

Claims

1. The utility model provides a stop valve convenient to adjust, includes connecting pipe (1), control assembly (2) and waterproof assembly (3), its characterized in that: the connecting pipe (1) is in an inverted T shape, a circular groove is formed in the upper end of the connecting pipe (1), a control assembly (2) is connected to the circular groove in an internal thread mode, and a waterproof assembly (3) is connected to the lower end of the control assembly (2) in a sliding fit mode; wherein:

a communication opening (11) is formed in the lower end of the connecting pipe (1), an auxiliary pipe (12) is arranged at the lower end of the connecting pipe (1), the auxiliary pipe (12) is communicated with the connecting pipe (1), a waterproof cover (13) is connected to the lower end of the auxiliary pipe (12) in a threaded mode, and a rubber pad (14) is arranged in the waterproof cover (13);

the control assembly (2) comprises a connecting cylinder (21) arranged on the inner wall of the upper end of the groove, a limiting table (22) is arranged on the inner wall of the lower end of the connecting cylinder (21), a control screw (23) is connected to the inner thread of the limiting table (22), an auxiliary toothed ring (27) is connected to the inner wall of the connecting cylinder (21) at the upper end of the limiting table (22) through a bearing, a control turntable (25) is installed on the upper end face of the control screw (23), and the middle of the control screw (23) is connected with a single control mechanism (26) in a sliding fit mode;

waterproof component (3) are including waterproof stopper (31) of joint in intercommunication mouth (11), waterproof stopper (31) upper end is equipped with the sliding tray, the sliding tray is connected through sliding fit's mode with the lower extreme of control screw (23), the lower extreme of control screw (23) lateral wall is equipped with baffle (32), install waterproof spring (33) between the up end of baffle (32) and the sliding tray upper end inner wall, connecting rod (34) are installed to the right-hand member of waterproof stopper (31), the right-hand member of connecting rod (34) is connected with the spout of recess right-hand member inner wall through sliding fit's mode.

2. An adjustable shut-off valve as defined in claim 1, wherein: an auxiliary ring (24) is installed at the upper end of the side wall of the control screw rod (23), thread teeth are arranged on the side wall of the auxiliary ring (24), an auxiliary plate (29) is installed at the lower end of the auxiliary ring (24) through an auxiliary spring (28), the auxiliary spring (28) is uniformly arranged on the lower end face of the auxiliary ring (24) along the circumferential direction of the auxiliary ring, and the lower end face of the auxiliary plate (29) is attached to the upper end of a ball (20) rotatably connected with the upper end face of the limiting table (22).

3. An adjustable shut-off valve as defined in claim 1, wherein: single accuse mechanism (26) include single accuse screw rod (261) of being connected with control screw rod (23) middle part sliding fit, single accuse carousel (262) are installed to the upper end of single accuse screw rod (261) higher than control carousel (25) and upper end, the lower extreme of single accuse screw rod (261) pass the lower terminal surface of control screw rod (23) and with the inside threaded connection of waterproof component (3), the lower extreme of single accuse screw rod (261) is installed supplementary stopper (264) through waterproof board (263), supplementary stopper (264) are the hemisphere structure.

4. An adjustable shut-off valve as defined in claim 1, wherein: the upper end of the auxiliary pipe (12) is provided with a hemispherical water inlet matched with the auxiliary plug (264).

5. An adjustable shut-off valve as defined in claim 1, wherein: the middle part of the waterproof plug (31) is provided with a threaded ring (35), and the threaded ring (35) is in threaded connection with the side wall of the lower end of the single control screw (261).

6. An adjustable shut-off valve as defined in claim 2, wherein: the control screw rod (23) at the lower end of the auxiliary ring (24) is not provided with a thread tooth, and the length of the thread tooth is 0.5-1cm longer than the height of the limiting table (22).