Detachable gate valve

Abstract

The utility model relates to the technical field of gate valves, in particular to a detachable gate valve which comprises a valve seat and a valve cover, flange plates are fixedly installed at the left end and the right end of the valve seat respectively, a sealing groove is formed in the surface of the top of the valve seat, a sealing ring block is arranged in the sealing groove, and a convenient dismounting and mounting mechanism is arranged between the valve seat and the valve cover. According to the detachable gate valve, by means of the structural design in the convenient dismounting and mounting mechanism, the valve cover can be rapidly positioned under the contact of the mounting column and the mounting hole, the eccentric block makes contact with the valve cover under the eccentric rotation of the eccentric block, and meanwhile, the guide spring can elastically support the guide rod; the guide rod and the guide hole are connected in an inserted mode, stable contact between the eccentric block and the valve deck is achieved, then the purpose of rapidly installing or detaching the valve deck is achieved, convenience is provided for maintenance personnel, and follow-up use is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gate valve, concretely is a detachable gate valve. BACKGROUND

[0002] The gate valve is a gate board, the movement direction of the gate board is perpendicular to the fluid direction, and the gate valve can only be fully opened and closed and cannot be adjusted and throttled.

[0003] The detachable gate valve currently used is connected between the valve seat and the valve cover by a threaded structure, and the connection mode needs to be tightened or loosened by rotating multiple times, which makes the disassembly process complex when the space is limited, consumes a lot of time, and reduces the maintenance efficiency of the gate valve, which is not conducive to subsequent use.

[0004] In summary, the utility model discloses a detachable gate valve to solve the problems in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model discloses a detachable gate valve to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A detachable gate valve, comprising a valve seat and a valve cover, the left and right ends of the valve seat are fixedly installed with flange plates, the top surface of the valve seat is provided with a sealing groove, the inside of the sealing groove is provided with a sealing ring block, and a convenient dismounting mechanism is arranged between the valve seat and the valve cover.

[0008] The convenient dismounting mechanism comprises a mounting column, a mounting hole and a guide hole, the mounting column is fixedly installed on the top surface of the valve seat, the top of the mounting column is provided with an eccentric block, the top of the eccentric block is fixedly installed with a guide spring, the inside of the guide spring is provided with a guide rod, and the mounting hole and the guide hole are both arranged on the top surface of the valve cover.

[0009] As a preferred scheme of the utility model, the outer side surfaces of the flange plates are provided with flange holes.

[0010] As a preferred scheme of the utility model, the outer side surface of the sealing ring block is in sealing contact with the inner wall of the sealing groove, and the sealing ring block is made of polytetrafluoroethylene material.

[0011] As a preferred scheme of the utility model, the mounting column is symmetrically distributed about the top central axis of the valve seat, the outer side surface of the mounting column is in abutting contact with the inner wall of the mounting hole, and the top surface thereof is flush with the top surface of the valve cover.

[0012] As the preferred scheme of the utility model, the eccentric block is eccentrically rotatably connected with the top surface of the mounting column through the eccentric member, and the bottom surface thereof is in frictional contact with the top surface of the valve cover.

[0013] As the preferred scheme of the utility model, the top end of the guide spring is fixedly connected with the outer top of the guide rod, and the bottom end thereof is attached to the top surface of the eccentric block and is in clamping connection with the guide hole.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the utility model, the convenient dismounting mechanism is arranged on the valve cover, the mounting column is arranged on the convenient dismounting mechanism, the mounting hole is arranged on the valve cover, the eccentric block is arranged on the convenient dismounting mechanism, the guide hole is arranged on the valve cover, the guide spring is arranged on the convenient dismounting mechanism, and the guide rod is arranged on the convenient dismounting mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structural schematic view of the utility model;

[0017] Figure 2 It is a local partial structural schematic view of the utility model gate valve;

[0018] Figure 3 It is an overall structural schematic view of the utility model; Figure 1 It is an enlarged structural schematic view of point A;

[0019] Figure 4 It is a structural schematic view of the valve cover of the utility model.

[0020] In the drawing: 1, valve seat; 2, valve cover; 3, flange plate; 4, sealing groove; 401, sealing ring block; 5, convenient dismounting mechanism; 501, mounting column; 502, mounting hole; 503, guide hole; 504, eccentric block; 505, guide spring; 506, guide rod. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently, apparently, the described embodiments only a part of the embodiments of the utility model, but not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without doing creative work belong to the range of protection of the utility model.

[0022] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings, several embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0025] Embodiment, please refer to Figures 1-4 , the utility model provides a technical scheme:

[0026] A detachable gate valve, including valve seat 1 and valve cover 2, the left and right two ends of valve seat 1 are fixedly installed with flange plate 3, the top surface of valve seat 1 is provided with sealing groove 4, sealing ring block 401 is arranged in sealing groove 4, convenient dismounting mechanism 5 is arranged between valve seat 1 and valve cover 2;

[0027] It should be noted that the outer surface of flange plate 3 is provided with flange hole;

[0028] Specifically, the outer surface of sealing ring block 401 is in sealing contact with the inner wall of sealing groove 4, and sealing ring block 401 is made of polytetrafluoroethylene material;

[0029] In the embodiment, the sealing ring block 401 made of polytetrafluoroethylene material has good corrosion resistance and self-lubricating property, and forms sealing contact between the valve cover 2 and the valve seat 1 under the close contact with the sealing groove 4, so that the sealing performance of the gate valve is ensured.

[0030] In the embodiment, please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4The convenient dismounting mechanism 5 comprises a mounting column 501, a mounting hole 502 and a guide hole 503, the mounting column 501 is fixedly installed on the top surface of the valve seat 1, the top of the mounting column 501 is provided with an eccentric block 504, the top of the eccentric block 504 is fixedly installed with a guide spring 505, the inside of the guide spring 505 is provided with a guide rod 506, and the mounting hole 502 and the guide hole 503 are both formed on the top surface of the valve cover 2;

[0031] Specifically, the mounting column 501 is symmetrically distributed about the middle axis of the top of the valve seat 1, the outer surface of the mounting column 501 is in abutting contact with the inner wall of the mounting hole 502, and the top surface thereof is flush with the top surface of the valve cover 2, the eccentric block 504 is eccentrically rotatably connected with the top surface of the mounting column 501 through an eccentric part, and the bottom surface thereof is in frictional contact with the top surface of the valve cover 2, the top end of the guide spring 505 is fixedly connected with the outer top of the guide rod 506, and the bottom end thereof is in abutting penetration on the top surface of the eccentric block 504 and is in clamping connection with the guide hole 503;

[0032] In the embodiment, the mounting column 501 is mainly used to form a limiting contact with the mounting hole 502 to realize the positioning and guiding of the valve cover 2, and the eccentric rotation between the eccentric block 504 and the mounting column 501 is mainly used to form a limiting contact with the valve cover 2, so that the guide rod 506 is in plug-in cooperation with the guide hole 503 under the combination of the guide spring 505 and the guide rod 506, the stable positioning of the valve cover 2 is realized, and the effect of quickly dismounting the gate valve is achieved, thereby meeting the needs of the users.

[0033] The working process of the utility model is as follows: when the detachable gate valve is used, the valve seat 1 is connected with the corresponding pipeline under the action of the flange plate 3, then the valve cover 2 is installed, the valve cover 2 is moved to drive the mounting hole 502 to be close to and in contact with the mounting column 501, until the mounting column 501 and the mounting hole 502 are abutted, then the eccentric block 504 is eccentrically rotated, the eccentric block 504 is in frictional contact with the top surface of the valve cover 2, and the guide spring 505 is in a stretched state and applies a downward force to the guide rod 506, until the guide rod 506 is tightly attached to the inner wall of the guide hole 503, thereby ensuring the stable contact between the eccentric block 504 and the valve cover 2, realizing the quick installation of the valve cover 2, and facilitating the subsequent dismounting, and under the extrusion contact of the sealing ring block 401 and the valve seat 1 and the valve cover 2, the sealing performance of the gate valve is ensured, and the practical effect of the gate valve is improved.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A removable gate valve comprising a valve seat (1) and a valve cover (2), characterized in that: Both left and right ends of the valve seat (1) are fixedly installed with flange plates (3), a sealing groove (4) is opened on the top surface of the valve seat (1), a sealing ring block (401) is arranged in the sealing groove (4), and a convenient dismounting mechanism (5) is arranged between the valve seat (1) and the valve cover (2). The convenient dismounting mechanism (5) comprises an installation column (501), an installation hole (502) and a guide hole (503), the installation column (501) is fixedly installed on the top surface of the valve seat (1), an eccentric block (504) is arranged on the top of the installation column (501), a guide spring (505) is fixedly installed on the top of the eccentric block (504), a guide rod (506) is arranged in the guide spring (505), and the installation hole (502) and the guide hole (503) are both opened on the top surface of the valve cover (2).

2. A removable gate valve according to claim 1, wherein: The outer surfaces of the flange plates (3) are both provided with flange holes.

3. A removable gate valve according to claim 1, wherein: The outer surface of the sealing ring block (401) is in sealing contact with the inner wall of the sealing groove (4), and the sealing ring block (401) is made of polytetrafluoroethylene material.

4. A removable gate valve according to claim 1, wherein: The installation column (501) is symmetrically distributed about the top central axis of the valve seat (1), the outer surface of the installation column (501) is in abutting contact with the inner wall of the installation hole (502), and the top surface thereof is flush with the top surface of the valve cover (2).

5. A removable gate valve according to claim 1, wherein: The eccentric block (504) is eccentrically rotatably connected with the top surface of the installation column (501) through an eccentric part, and the bottom surface thereof is in frictional contact with the top surface of the valve cover (2).

6. A removable gate valve according to claim 1, wherein: The top end of the guide spring (505) is fixedly connected with the outer top of the guide rod (506), and the bottom end thereof penetrates through the top surface of the eccentric block (504) and is in clamping connection with the guide hole (503).

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