CN113137483A

CN113137483A - Handle-free hidden slow-opening valve core

Info

Publication number: CN113137483A
Application number: CN202110541684.6A
Authority: CN
Inventors: 马洪庆
Original assignee: Yantai Laide Fluid Technology Co ltd
Current assignee: Yantai Laide Fluid Technology Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-07-20

Abstract

The invention discloses a handle-free hidden slow-opening valve core, which mainly relates to the technical field of valve accessories and comprises a valve body, an inner valve core, a transmission shaft and a sealing gasket, wherein the valve body is of a multi-section stepped shaft structure with the diameter sequentially shrinking from top to bottom, mounting threads are arranged on the outer circumferential surface of a second stepped shaft of the valve body, the inner valve core is arranged in the valve body, an adjusting hole is formed in the center of the upper top surface of the inner valve core, the upper end of the transmission shaft is slidably arranged in the valve body and is connected with the inner valve core through threads, and the sealing gasket is detachably arranged below the transmission shaft. The invention has simple and easy process, low cost, convenient centralized installation and space saving, adopts the modularized design, is convenient for overall maintenance, improves the installation efficiency, reduces the maintenance cost and the leakage risk, has light design structure, effectively solves the defects of scattered layout and complex installation, can realize the concealed installation of the device, and has strong overall decoration, beautiful appearance and simple structure.

Description

Handle-free hidden slow-opening valve core

Technical Field

The invention relates to the technical field of valve accessories, in particular to a handle-free hidden slow-opening valve core.

Background

At present fluid pipeline is mostly to take the handle formula with the valve core of opening slowly, case entire body structure is longer, and leave the mounted position of handle outside the pipeline, need install the handle during use, occupation space is great, the multiple operation causes the handle to damage easily, short service life, in addition, small and exquisite, the compactness to the structural requirement, the product of structure exquisiteness, the design of handle very easily causes the unnecessary waste in space, and need design handle's pattern when appearance design, coordinate whole aesthetic feeling, the corresponding increase of cost.

Disclosure of Invention

The invention aims to provide a handle-free hidden slow-opening valve core to solve the problems in the background technology.

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

the utility model provides a no handle formula hides and opens valve core slowly, includes the valve body, the inner valve core, transmission shaft and sealed the pad, the valve body is the multistage step shaft structure that diameter from the top down contracts in proper order, and the outer periphery of the second step shaft of valve body is provided with the installation screw thread, and the inner valve core sets up inside the valve body, and the top surface central point puts and is provided with the adjusting hole on the inner valve core, and the transmission shaft upper end slides and sets up in the valve body, and passes through threaded connection with the inner valve core, and sealed the pad can be dismantled and set up in the transmission shaft below.

Preferably, a sealing ring is arranged at the end face of the valve body, which is connected with the first stepped shaft and the second stepped shaft.

Preferably, the upper end of the transmission shaft is provided with a threaded hole, and the bottom end of the inner valve core is provided with an external thread corresponding to the threaded hole.

Preferably, the outer circumferential surface of the upper end of the transmission shaft is provided with an anti-rotation groove, and the valve body is provided with a limiting bulge matched with the anti-rotation groove.

Preferably, the adjusting hole is an inner hexagonal counter bore.

Preferably, the top surface of the valve body is provided with a plurality of tightening holes which are uniformly distributed with the circumference.

Preferably, a screw hole is formed in the center of the bottom surface of the transmission shaft, and a screw is arranged in the screw hole and used for pressing the sealing gasket on the transmission shaft.

Preferably, the sealing gasket and the transmission shaft adopt a step-shaped sealing structure.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention has simple and easy process, low cost, convenient centralized installation and space saving, adopts the modular design, is convenient for the integral maintenance, improves the installation efficiency, reduces the maintenance cost and reduces the risk of leakage;

2. the invention has light design structure, effectively solves the defects of dispersed layout and complex installation, can realize the hidden installation of the device, and has strong overall decoration, attractive appearance and simple structure.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the mounting structure of the present invention.

In the figure: 1. a valve body; 11. a limiting bulge; 2. an inner valve core; 3. a drive shaft; 31. an anti-rotation slot; 4. a gasket; 5. a screw; 6. a seal ring; 7. screwing the hole; 8. an adjustment hole; 9. and (7) installing the block.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings.

Referring to the attached drawings, the handle-free hidden slow-opening valve core comprises a valve body 1, an inner valve core 2, a transmission shaft 3 and a sealing gasket 4, wherein the valve body 1 is processed into a multi-section stepped shaft structure with the diameter sequentially shrinking from top to bottom, an installation thread is processed on the outer circumferential surface of a second stepped shaft of the valve body 1, a plurality of tightening holes 7 uniformly distributed along the circumference are processed on the top surface of the valve body 1, the installation of the invention can be realized through the tightening holes 7 and the installation thread, a sealing ring 6 is installed at the end surface of the valve body 1 where the first stepped shaft and the second stepped shaft are connected and used for realizing the sealing after the installation of the invention and preventing leakage, the inner valve core 2 is installed inside the valve body 1 and can rotate in the valve body 1, an inner hexagonal counter-sunk hole-shaped adjusting hole 8 is processed at the center position of the top surface of the inner valve core 2, the specification of the adjusting hole 8 is matched with a conventional inner hexagonal wrench in the market, and the inner hexagonal wrench is inserted into the adjusting hole 8 to realize the rotation of the inner valve core 2, the bottom end of the inner valve core 2 is processed with external threads, the upper end of the transmission shaft 3 is slidably mounted in the valve body 1, the upper end of the transmission shaft 3 is processed with a threaded hole corresponding to the threaded hole, the inner valve core 2 is connected with the transmission shaft 3 through threads, an anti-rotation groove 31 is processed on the outer circumferential surface of the upper end of the transmission shaft 3, a limiting protrusion 11 matched with the anti-rotation groove 31 is processed on the valve body 1, a matching structure of the anti-rotation groove 31 and the limiting protrusion 11 is adopted, the transmission shaft 3 is limited in rotation, when the inner valve core 2 rotates, the upper end of the transmission shaft 3 can only slide up and down in the valve body 1, a screw 5 is mounted at the center of the bottom surface of the transmission shaft 3, the screw 5 compresses the sealing gasket 4 on the bottom surface of.

The specific installation process of the invention is as follows: the inner valve core 2 and the transmission shaft 3 are screwed into a whole through threads, the sealing gasket 4 is tightly pressed on the transmission shaft 3 through the screw 5, the inner valve core 2 is tightly matched and pressed into the valve body 1, the inner valve core is screwed on the mounting block 9 through the screwing hole 7 on the top surface of the valve body 1 by using a special tool, a plurality of inner valve cores can be centrally mounted on the mounting block 9 according to the requirements of use working conditions, after the inner valve core 2 is mounted, the inner valve core 2 is rotated by using an inner hexagonal wrench matched with the adjusting hole 8, the upper end of the transmission shaft 3 is driven to slide up and down in the valve body 1 through the threads connected between the inner valve core 2 and the transmission shaft 3, and the adjusting sealing gasket 4 is tightly pressed on the mounting block 9.

When the water inlet and outlet pipeline connecting device is used, the mounting block 9 provided with the water inlet and outlet pipeline connecting device is connected, the inner hexagonal wrench is manually operated to rotate the inner valve core 2, the upper end of the transmission shaft 3 is lifted up and down in the valve body 1 due to the limitation of the limiting protrusion 11 and the anti-rotation groove 31, the sealing gasket 4 is separated from the mounting block 9 when the inner hexagonal wrench is lifted up, the water inlet and outlet pipeline is communicated, and the sealing gasket 4 is tightly pressed on the mounting block 9 when the inner hexagonal wrench is lowered, so that the water inlet and outlet pipeline is disconnected.

It should be noted that, in the present embodiment, the screw 5, the mounting block 9, the special tool and the socket head wrench are all applied in the prior art.

In the description of this patent, it is to be understood that the terms "upper," "lower," "inner," "outer," "center," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the patent.

In this patent, unless expressly stated or limited otherwise, the terms "combined," "disposed," "connected," "secured," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, releasably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a no handle formula hides and opens case slowly which characterized in that: including valve body (1), inner valve core (2), transmission shaft (3) and sealed pad (4), valve body (1) is the multistage step shaft structure that diameter from the top down contracts in proper order, the outer periphery of the second step shaft of valve body (1) is provided with mounting thread, inner valve core (2) set up inside valve body (1), inner valve core (2) are gone up the top surface central point and are put and are provided with adjusting hole (8), slip setting in transmission shaft (3) upper end is in valve body (1), and with inner valve core (2) pass through threaded connection, sealed pad (4) can be dismantled the setting and be in transmission shaft (3) below.

2. The handleless concealed slow opening valve cartridge according to claim 1, wherein: and a sealing ring (6) is arranged at the end face of the valve body (1) where the first stepped shaft and the second stepped shaft are connected.

3. The handleless concealed slow opening valve cartridge according to claim 2, wherein: the upper end of the transmission shaft (3) is provided with a threaded hole, and the bottom end of the inner valve core (2) is provided with an external thread corresponding to the threaded hole.

4. The handleless concealed slow opening valve cartridge according to claim 3 wherein: the valve is characterized in that an anti-rotation groove (31) is formed in the outer circumferential surface of the upper end of the transmission shaft (3), and a limiting protrusion (11) matched with the anti-rotation groove (31) is arranged on the valve body (1).

5. The handleless concealed slow opening valve cartridge according to claim 4, wherein: the adjusting hole (8) is an inner hexagonal counter bore.

6. The handleless concealed slow opening valve cartridge according to claim 5, wherein: the top surface of the valve body (1) is provided with a plurality of screwing holes (7) which are uniformly distributed with the same circumference.

7. The handleless concealed slow opening valve cartridge according to claim 6, wherein: the screw hole is formed in the center of the bottom surface of the transmission shaft (3), and a screw (5) is arranged in the screw hole and used for pressing the sealing gasket (4) on the transmission shaft (3).

8. The handleless concealed slow opening valve cartridge according to claim 7, wherein: the sealing gasket (4) and the transmission shaft (3) adopt a step-shaped sealing structure.