CN216009623U

CN216009623U - Valve sealing mechanism

Info

Publication number: CN216009623U
Application number: CN202122601246.2U
Authority: CN
Inventors: 徐立峰
Original assignee: Ningbo Yamei Garden Tool Industry Co ltd
Current assignee: Ningbo Yamei Garden Tool Industry Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-03-11
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a valve seal mechanism, including valve body and sealing member, be equipped with first rivers passageway and a plurality of second rivers passageway on the valve body, second rivers passageway internal rotation is equipped with the ball valve, the tip of first rivers passageway is equipped with lock nut, the tip of second rivers passageway is equipped with the joint, the sealing member includes interior bushing pipe and locates the spacing boss on the outer wall of bushing pipe one end, the inner wall setting of second rivers passageway is hugged closely to interior bushing pipe, spacing boss clamp is located between the tip outer wall of joint and second rivers passageway, the other end of interior bushing pipe is equipped with the cambered surface and supports tight section, the cambered surface supports tight section and ball valve cooperation and supports and lean on, the interior of cambered surface support tight section, outer both sides correspond respectively and are equipped with the flexible shirt rim of pushing down the ball valve surface. The inner lining pipe of the sealing element is attached to the inner wall of the second water flow channel and abuts against the ball valve, the two flexible skirt edges and the cambered surface abut against the section to form a three-section elastic water leakage prevention structure abutting against the ball valve, the sealing element is not prone to displacement when the ball valve rotates, water in the channel is not prone to leakage, and sealing performance is better.

Description

Valve sealing mechanism

Technical Field

The utility model relates to the technical field of valves, concretely relates to valve seal mechanism.

Background

The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, is a control part in a pipeline fluid conveying system, can be used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, cut-off, throttling, non-return, flow splitting, overflow pressure relief and the like, the sealing performance of the valve in the flow control process must reach a high height to meet the effect, and therefore a sealing element of the valve must meet certain requirements.

However, the existing valves generally adopt single-layer sealing in the aspect of sealing performance, and most of valves are not normally used due to the fact that the sealing structure is damaged or insufficient sealing is caused, so that not only is leakage loss caused, but also the working efficiency is reduced. According to the old valve product of the applicant, a ball valve core is arranged on a pipeline, a joint is welded at one end of the pipeline, and the joint part extends into the pipeline and is sealed with the valve core by adopting an O-shaped ring. After the valve is used for a period of time, the applicant finds that when the ball valve rotates, the O-shaped ring between the inner valve core and the joint is easy to slide, and the phenomenon of water leakage exists to a certain degree.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing analysis, the present invention provides a valve seal mechanism to solve the deficiencies of the prior art.

The utility model discloses mainly realize through following technical scheme:

the utility model provides a valve sealing mechanism, including valve body and demountable installation sealing member on the valve body, be equipped with the first rivers passageway and a plurality of second rivers passageway of mutual intercommunication on the valve body, second rivers passageway internal rotation is sealed to be equipped with and is used for switching on or ends the ball valve of second rivers passageway, be equipped with the brake valve lever of being connected with the ball valve on the valve body, the tip of first rivers passageway is equipped with lock nut, the tip of second rivers passageway is equipped with the joint, the sealing member includes interior bushing pipe and locates the spacing boss on the outer wall of bushing pipe one end, the inner wall setting of second rivers passageway is hugged closely to interior bushing pipe, spacing boss presss from both sides tightly to locate between the tip outer wall of joint and second rivers passageway, the other end of interior bushing pipe is equipped with the cambered surface and supports tight section, the cambered surface supports tight section and supports with the ball valve cooperation and supports and leans on, the interior of cambered surface support tight section, The outer two sides are respectively and correspondingly provided with a flexible skirt edge for pressing the surface of the ball valve.

Furthermore, the sealing element is a rubber body, and the arc surface abutting section is provided with a wear-resistant fiber layer.

Further, connect demountable installation on the valve body, the one end that connects is equipped with the internal thread, be equipped with the external screw thread with internal thread looks adaptation on the outer wall of valve body.

Further, be equipped with spacing step in the joint, be equipped with the spacing ring on the outer wall of valve body, when the joint was installed on the valve body, spacing boss leaned on with the cooperation of spacing step, the tip that connects leaned on with the cooperation of spacing ring.

Furthermore, a first locking ring is arranged on the limiting step, a second locking ring is arranged on the end face of the end portion of the second water flow channel, and the limiting boss is clamped between the first locking ring and the second locking ring.

Compared with the prior art the utility model discloses technical scheme's beneficial effect does:

the utility model provides a valve seal mechanism, the interior bushing pipe laminating second rivers passageway inner wall of sealing member set up and support tight ball valve, support tight section by two flexible skirts, cambered surface and form the leak protection water structure that three-section elasticity supported tight ball valve, and the sealing member is difficult for shifting when the ball valve rotates, and the water in the passageway is difficult for leaking, and sealing performance is better.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a perspective view of a valve sealing mechanism provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a valve sealing mechanism provided in an embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic view of the seal of FIG. 2 with the seal removed;

fig. 5 is a schematic structural diagram of a sealing member provided in an embodiment of the present invention;

fig. 6 is an enlarged view of a portion B of fig. 5.

The reference numbers are as follows:

1. the valve comprises a valve body, a first limiting ring, a second limiting ring, a sealing piece, a first lining pipe, a first cambered surface abutting section, a second cambered surface abutting section, a flexible skirt edge, a second limiting boss, a first water flow channel, a second locking ring, a ball valve, a control handle, a first locking nut, a second locking ring, a joint, a first limiting step, a second locking ring, a control handle, a second locking ring, a control handle, a locking nut, a second locking ring, a third locking ring, a fourth locking ring, a second locking ring, and a control handle, 7, 8, and a control handle, 7, 8, and a second locking nut, 8, a second locking ring, and a control handle, and a second locking ring, wherein the second locking ring, and a second locking ring are also are included, and a control handle are respectively.

Detailed Description

In order to better understand the invention for those skilled in the art and to define the claimed scope more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered as within the scope of the present disclosure.

The invention will be further explained with reference to the drawings and the specific embodiments.

Example 1

As shown in fig. 1-6, the utility model provides a valve sealing mechanism, which comprises a valve body 1 and a sealing element 2 detachably mounted on the valve body 1, the valve body 1 is provided with a first water flow channel 3 and a plurality of second water flow channels 4 which are communicated with each other, the second water flow channel 4 is provided with a ball valve 5 for turning on or off the second water flow channel 4 in a rotary seal manner, the valve body 1 is provided with a control handle 6 connected with the ball valve 5, the end part of the first water flow channel 3 is provided with a locking nut 7, the end part of the second water flow channel 4 is provided with a joint 8, the sealing element 2 comprises a lining pipe 21 and a limit boss 22 arranged on the outer wall of one end of the lining pipe 21, the lining pipe 21 is arranged closely attached to the inner wall of the second water flow channel 4, the limit boss 22 is tightly clamped between the joint 8 and the outer wall of the end part of the second lining pipe 4, the other end of the lining pipe 21 is provided with a cambered surface abutting section 21a, the cambered surface abutting section 21a is abutted with the ball valve 5 in a matching manner, and the inner side and the outer side of the cambered surface abutting section 21a are respectively and correspondingly provided with a flexible skirt 21b for pressing the surface of the ball valve 5.

Through improving the sealing member structure of original structure internal and 5 adaptations of ball valve, the inside bushing pipe of sealing member 2 for having spacing boss 22 that sets up makes the spacing boss 22 of sealing member 2 press from both sides tightly to be fixed in the detachable setting between 1 terminal surface of valve body and joint 8 for sealing member 2 installation is firm. The inner lining pipe 21 of the sealing element 2 is attached to the inner wall of the second water flow channel 4 and abuts against the ball valve 5, the two flexible skirts 21b and the cambered surface abutting section 21a form a three-section elastic water leakage prevention structure abutting against the ball valve 5, the sealing element 2 is not prone to displacement when the ball valve 5 rotates, water in the channel is not prone to leakage, and sealing performance is better.

In this embodiment, the limiting boss 22 is annular.

In some embodiments, the sealing element 2 is a rubber body, and the arc abutting section 21a is provided with a wear-resistant fiber layer. The ball valve is used for enhancing the wear-resisting property of the cambered surface abutting section 21a, the ball valve 5 is not easy to wear too much even if frequently rotating, the sealing performance is not influenced, and the wear-resisting fiber layer can be a nylon fiber layer.

For the convenience is installed sealing member 2, can maintain the change, preferably, connect 8 demountable installation on valve body 1, the one end that connects 8 is equipped with the internal thread, is equipped with the external screw thread with internal thread looks adaptation on the outer wall of valve body 1.

Specifically, be equipped with spacing step 8a in the joint 8, be equipped with spacing ring 1a on the outer wall of valve body 1, when joint 8 was installed on valve body 1, spacing boss 22 leaned on with the cooperation of spacing step 8a, and the tip that connects 8 leaned on with the cooperation of spacing ring 1 a. On one hand, the mounting position of the joint 8 is positioned, and meanwhile, the water leakage phenomenon is avoided.

Preferably, the limiting step 8a is provided with a first locking ring 8b, the end surface of the second water flow channel 4 is provided with a second locking ring 4a, and the limiting boss 22 is clamped between the first locking ring 8b and the second locking ring 4 a.

When the joint 8 is assembled with the valve body 1, the sealing element 2 is elastically compressed, and the two locking rings 8b are arranged to simultaneously compress the limiting boss 22 of the sealing element 2, so that the tightness of structural connection can be improved, and the rotation of the limiting boss 22 between the joint 8 and the valve body 1 is avoided when the ball valve 5 rotates.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A valve seal mechanism characterized by: the water-saving valve comprises a valve body (1) and a sealing element (2) detachably mounted on the valve body (1), wherein a first water flow channel (3) and a plurality of second water flow channels (4) which are communicated with each other are arranged on the valve body (1), a ball valve (5) for switching on or switching off the second water flow channels (4) is arranged in each second water flow channel (4) in a rotating and sealing manner, a control handle (6) connected with the ball valve (5) is arranged on the valve body (1), a locking nut (7) is arranged at the end part of each first water flow channel (3), a joint (8) is arranged at the end part of each second water flow channel (4), the sealing element (2) comprises an inner lining pipe (21) and a limiting boss (22) arranged on the outer wall of one end of the inner lining pipe (21), the inner lining pipe (21) is arranged close to the inner wall of each second water flow channel (4), and the limiting boss (22) is clamped between the joint (8) and the outer wall of the end part of each second water flow channel (4), the other end of the lining pipe (21) is provided with an arc surface abutting section (21a), the arc surface abutting section (21a) is matched and abutted with the ball valve (5), and the inner side and the outer side of the arc surface abutting section (21a) are respectively and correspondingly provided with a flexible skirt (21b) for pressing the surface of the ball valve (5).

2. The valve seal mechanism of claim 1, wherein: the sealing element (2) is a rubber body, and a wear-resistant fiber layer is arranged on the arc surface abutting section (21 a).

3. The valve seal mechanism of claim 1, wherein: connect (8) demountable installation on valve body (1), the one end that connects (8) is equipped with the internal thread, be equipped with the external screw thread with internal thread looks adaptation on the outer wall of valve body (1).

4. The valve seal mechanism of claim 3, wherein: be equipped with spacing step (8a) in joint (8), be equipped with spacing ring (1a) on the outer wall of valve body (1), when joint (8) were installed on valve body (1), spacing boss (22) supported with spacing step (8a) cooperation and leaned on, the tip that connects (8) supported with spacing ring (1a) cooperation and leaned on.

5. The valve seal mechanism of claim 4, wherein: the limiting step (8a) is provided with a first locking ring (8b), the end face of the end part of the second water flow channel (4) is provided with a second locking ring (4a), and the limiting boss (22) is clamped between the first locking ring (8b) and the second locking ring (4 a).