CN216589976U

CN216589976U - Valve sealing structure

Info

Publication number: CN216589976U
Application number: CN202123190017.2U
Authority: CN
Inventors: 陈洪运; 敬康; 邵益新
Original assignee: Changzhou Hezhuo Electromechanical Technology Co ltd
Current assignee: Changzhou Hezhuo Electromechanical Technology Co ltd
Priority date: 2021-12-18
Filing date: 2021-12-18
Publication date: 2022-05-24
Anticipated expiration: 2031-12-18

Abstract

The utility model provides a valve sealing structure, which relates to the technical field of valves and solves the problem of the overall sealing property of the existing valve, and comprises a valve body, a valve cover component and a valve rod, wherein the top of the valve body is provided with the valve cover component, the valve rod is inserted in the valve cover component, and the valve rod is composed of a double-head threaded rod, a hand wheel is arranged at the top of the valve rod, a protective sleeve is sleeved on the hand wheel, a water inlet pipeline is arranged at one side of the valve body, and the other side of the valve body is provided with a water outlet pipeline, the interior of the valve body is provided with a double-layer sealing mechanism, the double-layer sealing mechanism comprises a special-shaped frame, a valve rod, a main valve plug and an auxiliary valve plug, the special-shaped frame is arranged between the inner walls of the valve body, a hollow fixing plate is arranged at the bottom opening of the special-shaped frame, a bearing seat is arranged at the center of the hollow fixing plate, and the valve rod is installed in bearing frame interpolation, and this mechanism can very big improvement valve holistic sealed effect through double-deck sealing mechanism.

Description

Valve sealing structure

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a valve sealing structure.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting, overflowing and relieving pressure and the like, is used for the valve of the fluid control system, and has quite various varieties and specifications.

Based on the above, the present inventors found that the following problems exist: the existing valve has the condition that the closing and opening times of the valve are increased along with the longer service time, the sealing performance between the valve clack and the valve body is poorer and poorer, so that the overall service effect of the valve is reduced, and how to improve the overall sealing performance of the valve is urgent.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a valve sealing structure is provided to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a valve sealing structure to solve the problem of overall sealing performance of the existing valve.

The purpose and the effect of the valve sealing structure are achieved by the following specific technical means:

the utility model provides a valve seal structure, includes valve body, valve gap subassembly and valve rod, the top of valve body is equipped with the valve gap subassembly, insert in the valve gap subassembly and establish and install the valve rod, just the valve rod comprises double threaded rod, and the screw thread is opposite, the top of valve rod is equipped with the hand wheel, just the cover is equipped with the lag on the hand wheel, the inlet channel is installed to one side of valve body, just outlet conduit is installed to the opposite side of valve body, the inside of valve body is equipped with double-deck sealing mechanism, double-deck sealing mechanism includes dysmorphism frame, valve rod, main valve stopper and vice valve stopper, install dysmorphism frame between the inner wall of valve body, the fretwork fixed plate is installed to the bottom opening part of dysmorphism frame, the center department of fretwork fixed plate is equipped with the bearing frame, just the valve rod is installed in the bearing frame interpolation.

Further, the top of fretwork fixed plate is located the cover and is equipped with main valve stopper on the valve rod, just the sealing washer is installed through the screw in the top of main valve stopper.

Further, the below of fretwork fixed plate is equipped with vice valve plug on the cover is located the valve rod, the surface of vice valve plug is run through and is equipped with the guide bar, just the both ends of guide bar are connected with fretwork fixed plate top and valve body bottom respectively.

Further, the bottom of dysmorphism frame is equipped with first "U" type groove, the bottom of main valve stopper is equipped with first "U" type piece, just first "U" type groove and first "U" type piece phase-match.

Further, the bottom both sides of dysmorphism frame all are equipped with second "U" type groove, the top of vice valve plug is equipped with second "U" type piece, just second "U" type groove and second "U" type piece phase-match.

Furthermore, a water outlet groove is formed in one side, close to the water outlet pipeline, of the special-shaped frame, and the width of the water outlet groove is the same as that of the water outlet pipeline.

Further, valve body and valve gap subassembly are the metal material, just valve body and valve gap subassembly's surface all scribbles anti rust coating.

Compared with the prior art, the utility model has the following beneficial effects:

in the utility model, the valve rod is in a double-thread structure, the main valve plug and the auxiliary valve plug can be opened and closed simultaneously in the rotating process, and the main valve plug and the auxiliary valve plug are perfectly and tightly attached to the special-shaped frame by the U-shaped grooves arranged on the main valve plug and the auxiliary valve plug, so that the overall sealing property of the valve is improved.

Drawings

Fig. 1 is a plan view of a valve seal structure of the present invention.

Fig. 2 is an enlarged view of a point a of the valve sealing structure of the present invention.

Fig. 3 is a perspective view of a valve seal structure of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a valve body; 2. a valve cover assembly; 3. a valve stem; 4. a hand wheel; 5. a water inlet pipe; 6. a water outlet pipeline; 7. a special-shaped frame; 8. a water outlet groove; 9. a seal ring; 10. a first "U" shaped block; 11. a main valve plug; 12. a first U-shaped groove; 13. a fixing plate is hollowed out; 14. a bearing seat; 15. a guide bar; 16. a sub valve plug; 17. a second "U" shaped block; 18. and a second U-shaped groove.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 3:

the utility model provides a valve sealing structure, which comprises a valve body 1, a valve cover component 2 and a valve rod 3, wherein the valve cover component 2 is arranged at the top of the valve body 1, the valve rod 3 is inserted and installed in the valve cover component 2, the valve rod 3 is composed of a double-head threaded rod with opposite threads, a hand wheel 4 is arranged at the top of the valve rod 3, a protective sleeve is sleeved on the hand wheel 4, a water inlet pipeline 5 is arranged on one side of the valve body 1, and the other side of the valve body 1 is provided with a water outlet pipeline 6, a double-layer sealing mechanism is arranged inside the valve body 1, the double-layer sealing mechanism comprises a special-shaped frame 7, a valve rod 3, a main valve plug 11 and a secondary valve plug 16, a special-shaped frame 7 is arranged between the inner walls of the valve body 1, a hollow fixing plate 13 is arranged at the bottom opening of the special-shaped frame 7, the center department of fretwork fixed plate 13 is equipped with bearing frame 14, just valve rod 3 is installed in bearing frame 14 interpolation.

A main valve plug 11 is sleeved on the valve rod 3 above the hollow fixing plate 13, and a sealing ring 9 is mounted at the top of the main valve plug 11 through a screw.

Wherein, the below of fretwork fixed plate 13 is located the cover and is equipped with vice valve plug 16 on the valve rod 3, the surface of vice valve plug 16 is run through and is equipped with guide bar 15, just the both ends of guide bar 15 are connected with 13 tops of fretwork fixed plate and 1 bottoms of valve body respectively.

Wherein, the bottom of dysmorphism frame 7 is equipped with first "U" type groove 12, the bottom of main valve stopper 11 is equipped with first "U" type piece 10, just first "U" type groove 12 and first "U" type piece 10 phase-match.

Wherein, the bottom both sides of dysmorphism frame 7 all are equipped with second "U" type groove 18, the top of vice valve plug 16 is equipped with second "U" type piece 17, just second "U" type groove 18 and second "U" type piece 17 phase-match.

Wherein, the special-shaped frame 7 is provided with a water outlet groove 8 at one side close to the water outlet pipe 6, and the width of the water outlet groove 8 is the same as that of the water outlet pipe 6.

The valve body 1 and the valve cover component 2 are made of metal materials, and the surfaces of the valve body 1 and the valve cover component 2 are coated with antirust coatings.

The specific use mode and function of the embodiment are as follows:

in the utility model, the integrity of the valve is checked before use, the water inlet pipeline 5 and the water outlet pipeline 6 are sequentially connected to required equipment after the correctness is confirmed, the valve rod 3 is driven to rotate by rotating the hand wheel 5 when the valve is used, the main valve plug 11 and the auxiliary valve plug 16 sleeved on the valve rod 3 are acted by positive and negative threads, thereby enabling the main valve plug 11 and the sub valve plug 16 to approach and separate, complete simultaneous opening and closing, thereby realizing double-layer sealing effect, the first U-shaped block 10 and the second U-shaped block 17 arranged on the surfaces of the main valve plug 11 and the auxiliary valve plug 16 can be mutually matched and tightly attached with the first U-shaped groove 12 and the second U-shaped groove 18 arranged on the surface of the special-shaped piece 7, greatly improving the tightness degree of the interface, and then realize the holistic sealed effect of valve body, this kind of seal structure novel in design, simple structure are worth extensively using widely.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A valve seal structure characterized in that: including valve body (1), valve gap subassembly (2) and valve rod (3), the top of valve body (1) is equipped with valve gap subassembly (2), valve rod (3) are installed to valve gap subassembly (2) interpolation establishment, valve rod (3) comprise double threaded rod, and the screw thread is opposite, the top of valve rod (3) is equipped with hand wheel (4), just the cover is equipped with the lag on hand wheel (4), inlet channel (5) are installed to one side of valve body (1), just outlet conduit (6) are installed to the opposite side of valve body (1), the inside of valve body (1) is equipped with double-deck sealing mechanism, double-deck sealing mechanism includes dysmorphism frame (7), valve rod (3), main valve stopper (11) and vice valve stopper (16), install dysmorphism frame (7) between the inner wall of valve body (1), fretwork fixed plate (13) are installed to the bottom opening part of dysmorphism frame (7), the center department of fretwork fixed plate (13) is equipped with bearing frame (14), just valve rod (3) are installed in bearing frame (14) interpolation.

2. The valve seal structure of claim 1, wherein: the top of fretwork fixed plate (13) is located and is equipped with main valve stopper (11) on valve rod (3), just there is sealing washer (9) at the top of main valve stopper (11) through the screw mounting.

3. The valve seal structure of claim 1, wherein: the cover is equipped with vice valve plug (16) below the fretwork fixed plate (13) on being located valve rod (3), the surface of vice valve plug (16) is run through and is equipped with guide bar (15), just the both ends of guide bar (15) are connected with fretwork fixed plate (13) top and valve body (1) bottom respectively.

4. The valve seal structure of claim 1, wherein: the bottom of dysmorphism frame (7) is equipped with first "U" type groove (12), the bottom of main valve stopper (11) is equipped with first "U" type piece (10), just first "U" type groove (12) and first "U" type piece (10) phase-match.

5. The valve seal structure of claim 1, wherein: the bottom both sides of dysmorphism frame (7) all are equipped with second "U" type groove (18), the top of vice valve plug (16) is equipped with second "U" type piece (17), just second "U" type groove (18) and second "U" type piece (17) phase-match.

6. The valve seal structure of claim 1, wherein: a water outlet groove (8) is formed in one side, close to the water outlet pipeline (6), of the special-shaped frame (7), and the width of the water outlet groove (8) is the same as that of the water outlet pipeline (6).

7. The valve seal structure of claim 1, wherein: the valve body (1) and the valve cover component (2) are made of metal materials, and the surfaces of the valve body (1) and the valve cover component (2) are coated with antirust coatings.