Sealing bush and flat valve

Abstract

The utility model relates to the technical field of flat valves, in particular to a sealing bush and a flat valve, the sealing bush comprises a valve body, a bush main body, a valve plate and a valve cover; a bushing main body is arranged in the valve body, a valve plate is arranged in the bushing main body, and a valve cover is arranged above the valve body; a connecting assembly and an auxiliary assembly are arranged on the valve body; the connecting assembly and the auxiliary assembly are arranged on the valve body at the connecting end of the flat valve, and the limiting block, the positioning rod, the sliding block, the sealing ring gasket, the connecting gasket and other structures are used in cooperation, so that the bush body is installed in the valve body, the bush body is pulled out from the interior of the valve body when disassembled, operation is easy, no special tool is needed, and the working efficiency is improved. The problem that the bushing cannot be replaced when no professional tool is used is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flat valve technical field, concretely is a kind of sealing bush and flat valve. BACKGROUND

[0002] For the existing announcement No. CN220082137U Chinese patent document discloses a kind of manual flat valve, it proposes that the top of flat valve main body is inserted with threaded rod, the top of threaded rod is fixedly connected with handle, the bottom of handle is fixedly connected with support frame, one end of support frame is fixedly connected with first rotating shaft, the inner wall of first rotating shaft is rotatably connected with the outer wall of threaded rod. By setting the buffer block in the inner wall bottom of flat valve main body, second rotating shaft is provided at one end of buffer block, and second support rod is provided at the top of second rotating shaft, by setting the blade in one end of second support rod, so that liquid enters the valve and is unloaded by buffer block and blade, increase the service life of flat valve, by setting third support rod in the middle of second support rod, so that second support rod is more stable, further solve the purpose that water flow too fast causes the service life of flat valve to reduce.

[0003] The above scheme and prior art in flat valve use, sealing bush is used for mechanical parts outside, to achieve sealing, wear protection and other effects of supporting parts, refers to the ring that plays the role of gasket, in flat valve sleeve is used between valve cover and valve plate, plays the role of preventing cover seat wear and sealing;Existing flat valve with sealing bush, bush and valve body are mostly fixedly connected, then valve plate is passed from the inside of bush, when wear occurs, only need to replace bush, but the process of bush installation and disassembly is more cumbersome, without professional tool will not be replaced, affect the convenience of use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of sealing bush and flat valve, to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of sealing bush, comprising: valve body, bush main body, valve plate and valve cover;The bush main body is provided in the valve body, and the valve plate is provided in the bush main body, and the valve cover is provided above the valve body;

[0006] The valve body is provided with connecting assembly and auxiliary assembly.

[0007] Preferably, the connecting assembly includes limiting slot, positioning slot, limiting block and positioning rod;The limiting slot is fixedly arranged on the inner side wall of the valve body, and the positioning slot is fixedly arranged on the bottom end of the valve body, and the positioning rod is connected with the bottom end of the bush main body, and the limiting block is connected with the outer side wall of the bush main body.

[0008] Preferably, the inner side wall of the bush body is fixedly provided with a sliding block, and the sliding block is in sliding connection with a sliding groove of the side wall of the valve plate.

[0009] Preferably, the end surface of the bush body is fixedly provided with a sealing ring groove, and a sealing ring pad is in adaptive connection in the sealing ring groove, and a connecting pad is arranged on the sealing ring pad, and the connecting pad is in adaptive connection with a connecting groove on the valve cover.

[0010] Preferably, the auxiliary assembly comprises a guide groove and a guide rod, the guide groove is fixedly arranged on the valve body, and the guide groove is in adaptive connection with the guide rod, and the guide rod is connected with the valve cover.

[0011] Preferably, the side wall of the valve body is in adaptive connection with a connecting shell, and the connecting shell is fixedly connected with the valve cover through the fixed bolt.

[0012] A flat plate valve comprises the sealing bush.

[0013] Compared with the prior art, the sealing bush and the flat plate valve have the following beneficial effects:

[0014] The sealing bush and the flat plate valve have the following beneficial effects: the connecting assembly and the auxiliary assembly are arranged on the connecting end valve body of the flat plate valve, the limiting block, the positioning rod, the sliding block, the sealing ring pad and the connecting pad are used in cooperation, the bush body is installed in the interior of the valve body, the bush body can be taken out from the interior of the valve body when the bush body is disassembled, the operation is simple, and special tools are not needed, and the bush can be replaced without professional tools. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a valve body internal structure schematic view of the utility model;

[0017] Fig. 3 It is a whole explosion structure schematic view of the utility model;

[0018] Fig. 4 It is a bush body structure schematic view of the utility model.

[0019] In the drawing: valve body 1, bush body 2, valve plate 3, valve cover 4, limiting groove 5, positioning groove 6, limiting block 7, positioning rod 8, sliding block 9, sliding groove 10, ball 11, sealing ring groove 12, sealing ring pad 13, connecting groove 14, connecting pad 15, guide groove 16, guide rod 17, connecting shell 18. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme of the utility model carry on clear, complete description, and the advantage is more clear and distinct, the following combining with the drawing to the utility model embodiment carries on further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, rather than all the embodiments, only to explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belongs to the scope of the utility model protection.

[0021] Please refer to Figs. 1 to 4 The utility model provides three technical schemes:

[0022] Embodiment one: a sealing bushing, it includes: valve body 1, bushing main part 2, valve plate 3 and valve cover 4, the bushing main part 2 is arranged in valve body 1, and the valve plate 3 is arranged in the bushing main part 2, and the upper of valve body 1 is provided with valve cover 4, the connecting assembly and auxiliary assembly are arranged on valve body 1.

[0023] Embodiment two: in embodiment one, the limiting slot 5 in connecting assembly is fixedly arranged on the inner side wall of valve body 1, and the bottom end of valve body 1 is fixedly provided with the positioning groove 6, and the positioning rod 8 is connected in the positioning groove 6, and the positioning rod 8 is connected with the bottom end of bushing main part 2, and the limiting block 7 is connected in the limiting slot 5, and the limiting block 7 is connected with the outer side wall of bushing main part 2.

[0024] The inner side wall of bushing main part 2 is fixedly provided with sliding block 9, and the sliding block 9 is slidably connected with the sliding slot 10 of the side wall of valve plate 3, and the side wall of valve plate 3 is movably connected with the ball 11.

[0025] The end surface of bushing main part 2 is fixedly provided with sealing ring groove 12, and the sealing ring pad 13 is connected in the sealing ring groove 12, and the connecting pad 15 is arranged on the sealing ring pad 13, and the connecting pad 15 is connected with the connecting groove 14 on valve cover 4.

[0026] The upper end surface of valve cover 4 is fixedly provided with connecting barrel, and the inner side wall of connecting barrel is fixedly provided with internal thread, and the connecting barrel is screwedly connected with threaded rod, and the upper end of threaded rod is connected with movable handle, and the lower end of threaded rod is movably connected with bearing, and the bearing is arranged on the upper end surface of valve plate 3 through fixed bolt, when using, the movable handle is rotated to drive threaded rod to rotate, and threaded rod drives valve plate 3 to move up and down, thereby controlling the flow in the flat plate valve.

[0027] Embodiment three: on the basis of embodiment two, the guide slot 16 in auxiliary assembly is fixedly arranged on valve body 1, and the guide slot 16 is connected with guide rod 17, and the guide rod 17 is connected with valve cover 4.

[0028] The side wall of the valve body 1 is provided with a connecting shell 18 in a matched connection mode, and the connecting shell 18 is fixedly connected with the valve cover 4 through the fixing bolts.

[0029] A flat valve comprises the sealing bushing.

[0030] When the bushing body 2 is replaced, the fixing bolts on the connecting shell 18 are removed, then the valve cover 4 is lifted upwards, then the bushing body 2 inside the valve body 1 is taken out and replaced; when the bushing body 2 is installed, the limiting block 7 on the side of the bushing body 2 is connected with the limiting groove 5 on the valve body 1 in a corresponding mode, the positioning rod 8 at the bottom end of the bushing body 2 is connected with the positioning groove 6 on the valve body 1 in a corresponding mode, then the sealing ring pad 13 is installed in the sealing ring groove 12 on the upper end surface of the bushing body 2, the connecting pad 15 on the sealing ring pad 13 is connected with the connecting groove 14 on the valve cover 3 in a corresponding mode, the guide rod 17 on the valve cover 3 is connected with the guide groove 16 on the valve body 1 in a corresponding mode, then the connecting shell 18 is clamped on the valve body 1, and the connecting shell 18 is fixedly connected with the valve cover 4 through the fixing bolts.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sealing bushing comprising: Valve body (1), bush body (2), valve plate (3) and valve cover (4); The valve body (1) is provided with bush body (2), and the bush body (2) is provided with valve plate (3), and the upper portion of valve body (1) is provided with valve cover (4); Its characterized in that: the valve body (1) is provided with connecting assembly and auxiliary assembly.

2. A sealing bush according to claim 1, characterised in that: The connecting assembly includes limiting groove (5), positioning groove (6), limiting block (7), positioning rod (8);The limiting groove (5) is fixedly arranged on the inner side wall of the valve body (1), and the bottom end of the valve body (1) is fixedly provided with the positioning groove (6), and the positioning groove (6) is connected with the positioning rod (8) in a matching manner, and the positioning rod (8) is connected with the bottom end of the bush body (2), and the limiting groove (5) is connected with the limiting block (7) in a matching manner, and the limiting block (7) is connected with the outer side wall of the bush body (2).

3. A sealing bush according to claim 2, characterised in that: The inner side wall of the bush body (2) is fixedly provided with a sliding block (9), and the sliding block (9) is slidably connected with the sliding groove (10) of the side wall of the valve plate (3), and the side wall of the valve plate (3) is movably connected with a ball (11).

4. A sealing bush according to claim 3, characterised in that: The end face of the bush body (2) is fixedly provided with a sealing ring groove (12), and the sealing ring groove (12) is connected with a sealing ring pad (13) in a matching manner, and the sealing ring pad (13) is provided with a connecting pad (15), and the connecting pad (15) is connected with the connecting groove (14) on the valve cover (4) in a matching manner.

5. A sealing bush as claimed in claim 1, wherein: The auxiliary assembly includes guide groove (16), guide rod (17);The guide groove (16) is fixedly arranged on the valve body (1), and the guide groove (16) is connected with the guide rod (17) in a matching manner, and the guide rod (17) is connected with the valve cover (4).

6. A sealing bush according to claim 5, characterised in that: The side wall of the valve body (1) is connected with a connecting shell (18) in a matching manner, and the connecting shell (18) is fixedly connected with the valve cover (4) by the fixing bolt.

7. A flat valve, characterized by: The sealing bush includes the sealing bush of any one of the preceding claims 1-6.

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