Double-valve-clack hard sealing regulating valve

Abstract

The utility model discloses a double valve clack hard seal regulating valve which comprises a regulating valve body and connectors symmetrically arranged on the two sides of the regulating valve body, the outer sides of the connectors are connected with protective cover structures, and each protective cover structure comprises a cover body, a sliding assembly A, a sliding assembly B, a connecting piece, a clamping tooth A, a bottom groove and a clamping tooth B, the top end of the cover body is rotatably connected with the outer surface of the top end of the connector, the sliding assembly A is arranged on the rear surface of the bottom end of the connector, and the sliding assembly B is slidably connected with the sliding assembly A; by means of the designed cover body, in the carrying and transporting process of the adjusting valve body, a connector in the adjusting valve body can be covered and shielded, external dust, impurities and the like can be well intercepted and protected, follow-up normal use of the cover body is facilitated, the closed cover body can be limited and locked through a connecting piece, a clamping tooth A, a bottom groove and a clamping tooth B, and the cover body is not prone to falling off. And meanwhile, the cover body is also very convenient to open.

Description

Technical Field

[0001] The utility model belongs to the technical field of regulating valves, and in particular relates to a double-valve-disc hard-sealed regulating valve. Background Art

[0002] A hard-sealed regulating valve is a material component used for various industrial pipelines with impurity media. According to the driving mode, the hard-sealed regulating valve can be divided into two types: electric and pneumatic. The hard-sealed regulating valve is widely used in the petrochemical industry, power sector, metallurgical sector and urban construction sector. When the regulating valve is in use, an external pipeline needs to be connected at the interface.

[0003] During the transportation of the existing regulating valve, the interface at the end is open to the outside, and external dust and impurities can easily enter the interface, affecting the subsequent normal use of the regulating valve and even causing damage to the regulating valve. Therefore, a new regulating valve needs to be designed to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to provide a double-valve hard-sealed regulating valve to solve the problem in the background art that the interfaces at both ends of the regulating valve are open and easily enter the interior of the external dust or impurities.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-valve disc hard-sealed regulating valve, comprising a regulating valve body and interfaces symmetrically arranged on both sides of the regulating valve body, the outer side of the interface being connected with a protective cover structure, the protective cover structure comprising a cover body, a sliding component A, a sliding component B, a connecting plate, a latch A, a bottom groove and a latch B, the top of the cover body being rotatably connected to the top outer surface of the interface, the sliding component A being arranged on the bottom rear surface of the interface, the sliding component B being slidably connected to the sliding component A, the connecting plate being fixedly connected to the bottom of the sliding component B, the latch A being distributed on the surface of the connecting plate, the bottom groove being opened on the bottom end surface of the cover body, the latch B being distributed inside the bottom groove and being latched with the latch A.

[0006] Preferably, the protective cover structure further comprises a sealing gasket, which is arranged inside the cover body and is in press contact with the interface surface.

[0007] Preferably, the protective cover structure further includes a torsion spring connection seat, and the top end of the cover body and the top end of the interface are rotationally connected via the torsion spring connection seat.

[0008] Preferably, the sliding assembly A includes a fixed plate, a side plate and a slide groove, the fixed plate is fixed to the rear surface of the interface, the side plates are symmetrically fixed to both ends of the fixed plate, and the slide groove is opened on the surface of the side plate.

[0009] Preferably, the sliding assembly B includes a sliding cover and a slider. The sliding cover is U-shaped when viewed from above and is slidably sleeved on the outer surface of the side piece. The slider is symmetrically fixed on both sides of the inner wall of the sliding cover and is adapted to the sliding groove.

[0010] Preferably, the sliding assembly B further includes a holding piece, and the holding piece is fixed to the inner surface of the sliding cover.

[0011] Preferably, the sliding assembly B further comprises a spring, which is fixed to the bottom of the abutting piece and abuts against the fixing piece.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The designed cover can cover and shield the interfaces on the regulating valve body during the handling and transportation of the valve body, thereby providing good interception and protection against external dust and impurities, which is beneficial to the subsequent normal use of the cover. The connecting piece, latch A, bottom groove and latch B can limit and lock the closed cover, and are also very convenient for opening the cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 This is a front cross-sectional view of the protective cover structure of the present invention;

[0016] Figure 3 For this utility model Figure 2 Enlarged schematic diagram of area A in the middle;

[0017] Figure 4 Schematic diagram of the explosion of the sliding assembly A and the sliding assembly B of the present invention;

[0018] In the figure: 100, regulating valve body; 200, interface; 300, protective cover structure; 301, cover body; 302, sealing gasket; 303, torsion spring connecting seat; 304, sliding component A; 3041, fixing plate; 3042, side plate; 3043, slide groove; 305, sliding component B; 3051, sliding cover; 3052, slider; 3053, supporting plate; 3054, spring; 306, connecting plate; 307, tooth A; 308, bottom groove; 309, tooth B. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] Example

[0021] See also Figures 1 to 4 , is an embodiment of the present utility model, which provides a technical solution: a double-valve disc hard-sealed regulating valve, including a regulating valve body 100 and interfaces 200 symmetrically arranged on both sides of the regulating valve body 100. When in use, the interface 200 can be connected to an external pipeline, and a protective cover structure 300 is connected to the outside of the interface 200 to protect the interface 200. The protective cover structure 300 includes a cover body 301, a sliding component A304, a sliding component B305, a connecting piece 306, a latch A307, a bottom groove 308 and a latch B309. The top of the cover body 301 is rotatably connected to the outer surface of the top of the interface 200, and the cover body 301 can be opened and closed. The sliding component A304 is arranged on the rear surface of the bottom end of the interface 200, the sliding component B305 is slidably connected to the sliding component A304, and the connecting piece 306 is fixedly connected to the bottom of the sliding component B305 The bottom groove 308 is provided on the bottom surface of the cover body 301, and the latch teeth B309 are distributed inside the bottom groove 308 and engaged with the latch teeth A307 to lock the cover body 301. To open it, just push the connecting piece 306 downward to release the engagement between the latch teeth A307 and the latch teeth B309. The protective cover structure 300 also includes a sealing gasket 302. The sealing gasket 302 is arranged inside the cover body 301 and is in extrusion contact with the surface of the interface 200 to improve the sealing effect. The protective cover structure 300 also includes a torsion spring connecting seat 303. The top of the cover body 301 and the top of the interface 200 are rotatably connected by the torsion spring connecting seat 303. After the lock of the cover body 301 is released, it will automatically open under the action of the torsion spring connecting seat 303.

[0022] In this embodiment, preferably, the sliding component A304 includes a fixed plate 3041, a side plate 3042 and a slide groove 3043, the fixed plate 3041 is fixed on the rear surface of the interface 200, the side plates 3042 are symmetrically fixed at both ends of the fixed plate 3041, and the slide groove 3043 is opened on the surface of the side plate 3042, and the sliding component B305 includes a sliding cover 3051 and a slider 3052, the sliding cover 3051 has a U-shaped structure when viewed from above, and is slidably sleeved on the outer surface of the side plate 3042, the slider 3052 is symmetrically fixed on both sides of the inner wall of the sliding cover 3051, and is adapted to the slide groove 3043, so that the sliding cover 3051 can be stably lifted and slid on the surface of the side plate 3042.

[0023] In this embodiment, preferably, the sliding component B305 also includes a supporting plate 3053, which is fixed on the inner surface of the sliding cover 3051. The sliding component B305 also includes a spring 3054, which is fixed on the bottom of the supporting plate 3053 and is supported by the fixed plate 3041. The elastic force of the spring 3054 can pull the connecting plate 306 to ensure stable connection between the latch tooth A307 and the latch tooth B309.

[0024] Although embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-valve-flap hard-sealed regulating valve, comprising a regulating valve body (100) and interfaces (200) symmetrically arranged on both sides of the regulating valve body (100), characterized in that: The outer side of the interface (200) is connected to a protective cover structure (300), the protective cover structure (300) comprises a cover body (301), a sliding component A (304), a sliding component B (305), a connecting piece (306), a latch A (307), a bottom groove (308) and a latch B (309), the top of the cover body (301) is rotatably connected to the outer surface of the top of the interface (200), the sliding component A (304) is arranged on the interface ( 200), the sliding component B (305) is slidably connected to the sliding component A (304), the connecting piece (306) is fixedly connected to the bottom of the sliding component B (305), the latch teeth A (307) are distributed on the surface of the connecting piece (306), the bottom groove (308) is opened on the bottom end surface of the cover body (301), and the latch teeth B (309) are distributed inside the bottom groove (308) and are engaged with the latch teeth A (307).

2. A double-valve hard-sealed regulating valve according to claim 1, characterized in that: The protective cover structure (300) further comprises a sealing gasket (302), which is arranged inside the cover body (301) and is in extrusion contact with the surface of the interface (200).

3. The double-valve hard-sealed regulating valve according to claim 1, characterized in that: The protective cover structure (300) further comprises a torsion spring connection seat (303), and the top end of the cover body (301) and the top end of the interface (200) are rotationally connected via the torsion spring connection seat (303).

4. The double-valve hard-sealed regulating valve according to claim 1, characterized in that: The sliding assembly A (304) includes a fixed plate (3041), a side plate (3042) and a slide groove (3043), wherein the fixed plate (3041) is fixed to the rear surface of the interface (200), the side plates (3042) are symmetrically fixed to the two ends of the fixed plate (3041), and the slide groove (3043) is opened on the surface of the side plate (3042).

5. The double-valve hard-sealed regulating valve according to claim 4, characterized in that: The sliding assembly B (305) includes a sliding cover (3051) and a slider (3052). The sliding cover (3051) has a U-shaped structure when viewed from above and is slidably sleeved on the outer surface of the side plate (3042). The slider (3052) is symmetrically fixed on both sides of the inner wall of the sliding cover (3051) and is adapted to the sliding groove (3043).

6. The double-valve hard-sealed regulating valve according to claim 5, characterized in that: The sliding assembly B (305) further comprises a holding piece (3053), and the holding piece (3053) is fixed on the inner surface of the sliding cover (3051).

7. The double-valve hard-sealed regulating valve according to claim 6, characterized in that: The sliding assembly B (305) further comprises a spring (3054), which is fixed to the bottom of the abutting piece (3053) and abuts against the fixing piece (3041).

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