Valve turbine head device of multi-sealing structure

Abstract

The valve turbine head device of the multi-sealing structure comprises a turbine, mounting flanges are arranged on the two sides of the turbine, an attaching groove is formed in one side of each mounting flange, an attaching ring is connected into each attaching groove in a sliding mode, and a sealing ring is arranged in each attaching ring. An external sealing mechanism used for sealing the connecting position of the mounting flange is arranged between the attaching ring and the attaching groove, an inserting pipe is slidably connected into the mounting flange, a spacer ring is fixedly connected to one side of the inserting pipe, and connecting mechanisms used for being connected with the spacer ring in a sealed mode are arranged on the two sides of the spacer ring. According to the utility model, the sealing performance of the mounting flange can be ensured through internal, external and extrusion deformation modes in a manner of matched sealing of the fitting groove and the fitting ring, clamping sealing of the clamping block and the clamping groove and fitting of the connecting pipe and the inner wall of the mounting flange, and meanwhile, the dismounting and replacing processes can be conveniently carried out through mounting in a sliding clamping manner.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve turbine head sealing technical field especially valve turbine head device of multiple sealing structure. BACKGROUND

[0002] In industrial production and various fluid conveying systems, the valve turbine head as an important component to drive the valve to open and close, its sealing performance directly affects the safety and stability of the system.

[0003] The existing valve turbine head device sealing structure has some problems: the ordinary single sealing structure is difficult to deal with complex and changeable working conditions, such as high temperature, high pressure, strong corrosion and other environments, and is prone to sealing failure, resulting in medium leakage; in addition, the traditional sealing structure is prone to looseness or deformation during long-term use due to frequent operation vibration and temperature change, further reducing the sealing effect, increasing the maintenance cost and system failure risk. UTILITY MODEL CONTENTS

[0004] The utility model discloses a valve turbine head device of multiple sealing structure to solve the technical problems in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The valve turbine head device of multiple sealing structure, including turbine, both sides of turbine are equipped with installation flange, one side of installation flange is equipped with the lamination groove, the lamination ring is slidably connected in the lamination groove, the external sealing mechanism for the sealing of installation flange connecting place is equipped between the lamination ring and lamination groove, the bushing is slidably connected in the installation flange, one side of bushing is fixedly connected with interval ring, the both sides of interval ring are equipped with the connecting mechanism for the sealing connection of interval ring.

[0007] Preferably, the external sealing mechanism includes a plurality of circumferentially arranged clamping grooves formed in the inner wall of the installation flange, the lamination ring is fixedly connected with a connecting pipe on one side, the connecting pipe is fixedly connected with a plurality of circumferentially arranged clamping blocks on the side wall, the clamping blocks are slidably clamped in the clamping grooves, the sealing of the lamination groove and the lamination ring, the clamping of the clamping blocks and the clamping grooves, and the lamination of the connecting pipe and the inner wall of the installation flangethe sealing of the installation flange is ensured by the inner, outer and extrusion deformation modes, and the clamping blocks are slidably clamped in the clamping grooves.

[0008] Preferably, the clamping blocks are made of Teflon material, and the clamping blocks are wedge-shaped.

[0009] Preferably, the connecting mechanism comprises outer grooves opened on both sides of the spacing ring, inner grooves opened in the outer grooves, outer rings arranged on both sides of the spacing ring, inner rings fixedly connected to the opposite side walls of the two outer rings, and the outer rings and the inner rings correspond to the outer grooves and the inner grooves respectively.

[0010] Preferably, the inner ring and the inner groove, and the outer ring and the outer groove are in interference fit, and sealing silicon grease is arranged between the inner ring and the inner groove, and between the outer ring and the outer groove.

[0011] Preferably, the inner wall of the inner groove is provided with a plurality of circumferentially arranged connecting holes, the opposite side walls of the two inner rings are fixedly connected with a plurality of circumferentially arranged connecting rods, and the connecting rods at both ends are matched.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a fit groove, a clamping groove, a connecting pipe, a clamping block and a fit ring and other structures, through the fit groove and the fit ring cooperation seal, the clamping block and the clamping groove clamping seal, the connecting pipe and the installation flange inner wall fit mode, can guarantee its installation flange place's sealing property through inside, outside and extrusion deformation mode, simultaneously through the mode of sliding clamping installation convenient its dismounting and replacement process.

[0014] 2、The utility model discloses a cannula, a spacing ring, an outer groove, an inner groove, an outer ring and an inner ring and other structures, through the mode of cannula insertion installation flange, realize to connecting pipe contact resistance tight simultaneously, can guarantee the contact sealing property between fit ring and fit groove through spacing ring resistance tight, cooperate the multilayer contact sealing mode of inner and outer ring and inner and outer groove, can play the effect and the effect of multiple sealing protection to the turbine, thereby effectively guarantee the sealing property of turbine. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the main view structural schematic drawing of valve turbine head device of multiple sealing structure that the utility model proposes;

[0016] Figure 2 It is the fit ring structure schematic drawing of valve turbine head device of multiple sealing structure that the utility model proposes;

[0017] Figure 3 It is the spacing ring structure schematic drawing of valve turbine head device of multiple sealing structure that the utility model proposes;

[0018] Figure 4 It is the outer ring structure schematic drawing of valve turbine head device of multiple sealing structure that the utility model proposes.

[0019] In the figure: 1 turbine, 2 mounting flange, 3 fitting groove, 4 clamping groove, 5 fitting ring, 6 connecting pipe, 7 clamping block, 8 spacing ring, 9 insertion pipe, 10 outer groove, 11 inner groove, 12 connecting hole, 13 outer ring, 14 inner ring, 15 connecting rod. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings. In the following description, a large number of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0021] REFERENCE Figures 1-4 The valve turbine head device of the multiple sealing structure comprises a turbine 1, mounting flanges 2 are arranged on both sides of the turbine 1, fitting grooves 3 are formed on one side of the mounting flanges 2, fitting rings 5 are slidably connected in the fitting grooves 3, and external sealing mechanisms for sealing the connection of the mounting flanges 2 are arranged between the fitting rings 5 and the fitting grooves 3.

[0022] The external sealing mechanisms comprise a plurality of circumferentially arranged clamping grooves 4 formed in the inner walls of the mounting flanges 2, connecting pipes 6 are fixedly connected to one side of the fitting rings 5, a plurality of circumferentially arranged clamping blocks 7 are fixedly connected to the side walls of the connecting pipes 6, the clamping blocks 7 are made of Teflon, the clamping blocks 7 are wedge-shaped, the clamping blocks 7 are slidably clamped in the clamping grooves 4, and the sealing of the mounting flanges 2 can be ensured by the cooperation of the fitting grooves 3 and the fitting rings 5, the clamping of the clamping blocks 7 and the clamping grooves 4, and the fitting of the connecting pipes 6 and the inner walls of the mounting flanges 2 in the forms of internal, external and extrusion deformation, and the mounting by sliding clamping can facilitate the disassembly and replacement process.

[0023] Insertion pipes 9 are slidably connected in the mounting flanges 2, spacing rings 8 are fixedly connected to one side of the insertion pipes 9, connecting mechanisms for sealing and connecting the spacing rings 8 are arranged on both sides of the spacing rings 8, the connecting mechanisms comprise outer grooves 10 formed on both sides of the spacing rings 8, inner grooves 11 are formed in the outer grooves 10, outer rings 13 are arranged on both sides of the spacing rings 8, and inner rings 14 are fixedly connected to the opposite side walls of the two outer rings 13.

[0024] The inner wall of the inner groove 11 is provided with a plurality of circumferentially arranged connecting holes 12, and the opposite side walls of the two inner rings 14 are fixedly connected with a plurality of circumferentially arranged connecting rods 15, wherein the connecting rods 15 at two ends are male and female heads, respectively, and can be correspondingly inserted through the connecting holes 12. The two end connecting rods 15 cooperate with the outer ring 13 and the inner ring 14 to correspond to the outer groove 10 and the inner groove 11, respectively. The inner ring 14 and the inner groove 11, and the outer ring 13 and the outer groove 10 are in interference fit. The inner ring 14 and the inner groove 11, and the outer ring 13 and the outer groove 10 are provided with sealing silicone grease.

[0025] In use, as shown in the drawings, Figures 1-4 In use, as shown in the drawings,

[0026] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art, within the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change, which should be covered within the protection scope of the present application.

Claims

1. A valve turbine head assembly with a multi-seal structure, comprising a turbine (1), characterized in that, The turbine (1) is provided with mounting flanges (2) on both sides. A fitting groove (3) is provided on one side of the mounting flange (2). A fitting ring (5) is slidably connected in the fitting groove (3). An external sealing mechanism for sealing the connection of the mounting flange (2) is provided between the fitting ring (5) and the fitting groove (3). A tube (9) is slidably connected in the mounting flange (2). A spacer ring (8) is fixedly connected on one side of the tube (9). A connection mechanism for sealing the spacer ring (8) is provided on both sides of the spacer ring (8).

2. The valve turbine head device with a multi-seal structure according to claim 1, characterized in that, The external sealing mechanism includes multiple circumferentially arranged snap-fit ​​grooves (4) opened on the inner wall of the mounting flange (2), a connecting pipe (6) is fixedly connected to one side of the fitting ring (5), and multiple circumferentially arranged snap-fit ​​blocks (7) are fixedly connected to the side wall of the connecting pipe (6), and the snap-fit ​​blocks (7) are slidably snapped into the snap-fit ​​grooves (4).

3. The valve turbine head device with a multi-seal structure according to claim 2, characterized in that, The snap-fit ​​block (7) is made of PTFE and is wedge-shaped.

4. The valve turbine head device with a multi-seal structure according to claim 3, characterized in that, The connecting mechanism includes an outer groove (10) on both sides of the spacer ring (8), an inner groove (11) is provided in the outer groove (10), an outer ring (13) is provided on both sides of the spacer ring (8), and an inner ring (14) is fixedly connected to the opposite sidewall of the two outer rings (13). The outer ring (13) and the inner ring (14) correspond to the outer groove (10) and the inner groove (11) respectively.

5. The valve turbine head device with a multi-seal structure according to claim 4, characterized in that, The inner ring (14) and the inner groove (11), and the outer ring (13) and the outer groove (10) are interference fit, and sealing silicone grease is provided between the inner ring (14) and the inner groove (11), and between the outer ring (13) and the outer groove (10).

6. The valve turbine head device with a multi-seal structure according to claim 5, characterized in that, The inner wall of the inner groove (11) is provided with a plurality of circumferentially arranged connecting holes (12), and the opposite side walls of the two inner rings (14) on both sides are fixedly connected with a plurality of circumferentially arranged connecting rods (15), and the connecting rods (15) at both ends cooperate with each other.

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