Bronze stop valve with flange structure

Abstract

The utility model relates to the technical field of stop valves, and discloses a bronze stop valve with a flange structure, which comprises a bronze valve seat, the top surface of the bronze valve seat is in threaded connection with a valve rod, the bottom of the valve rod is fixedly provided with an adjusting mechanism, and the interior of the bronze valve seat is fixedly provided with a valve clack; a liquid inlet end is arranged at the bottom of one side of the bronze valve seat in a penetrating mode, a liquid outlet end is arranged at the top of the other side of the bronze valve seat in a penetrating mode, and flanges are fixedly arranged on one side of the liquid inlet end and one side of the liquid outlet end. And a connecting threaded pipe is fixedly arranged on one side of the flange. According to the bronze stop valve with the flange structure, through the arrangement of the sealing assembly, the connecting threaded pipe is sleeved with the sealing assembly, then the connecting threaded pipe and an external pipeline are connected and installed, the connecting position of the pipeline is sealed through the rubber sleeve and the silicon rubber sleeve, and the internal silicon rubber sleeve can fill a connecting gap; the effect that the joint of the flange of the check valve and the external pipeline is well sealed is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stop valve especially, it is a kind of bronze stop valve with flange structure. BACKGROUND

[0002] Stop valve is also called cut-off valve, belongs to forced sealing type valve, so when valve is closed, pressure must be applied to valve clapper, to force sealing surface not to leak. Stop valve is one of the most widely used valves, it is so popular, because the friction between sealing surface in opening and closing process is small, it is more durable, opening height is not big, easy to manufacture, convenient to maintain, not only suitable for low pressure, but also suitable for high pressure

[0003] In the announcement No. CN205401883U discloses a kind of stop valve, although, the utility model has following beneficial effects: decorative cover can change its position on adjusting screw by rotating, ensure that decorative cover can be attached to wall surface under different installation positions of valve body, gripping portion can make the rotation of valve stem more convenient, increase the comfort of operation.

[0004] However, the stop valve has the following shortcomings: it is not convenient to seal the connection between the stop valve and the external pipeline, and leakage is prone to occur at the connection, and it is not convenient to adjust the flow of the stop valve. UTILITY MODEL CONTENTS

[0005] (1) technical problem solved

[0006] The technical problem solved by the utility model is to provide a bronze stop valve with flange structure, which has high practicability and can be easily operated, and the structure is simple. The problems of not being convenient to seal the connection between the stop valve and the external pipeline and not being convenient to adjust the flow of the stop valve are solved.

[0007] (2) technical scheme

[0008] To achieve the above purpose, the utility model is implemented by the following technical scheme: a bronze stop valve with flange structure, comprising a bronze valve seat, a valve stem is threadedly connected to the top surface of the bronze valve seat, an adjusting mechanism is fixedly arranged at the bottom of the valve stem, and a valve clapper is fixedly arranged inside the bronze valve seat.

[0009] A liquid inlet is throughly arranged at the bottom of one side of the bronze valve seat, a liquid outlet is throughly arranged at the top of the other side of the bronze valve seat, and a flange is fixedly arranged on one side of the liquid inlet and the liquid outlet.

[0010] A connecting threaded pipe is fixedly arranged on one side of the flange, and a sealing assembly is sleeved on the surface of the connecting threaded pipe.

[0011] As a further scheme of the present utility model, the adjusting mechanism comprises a closing piece and an adjusting piece, the closing piece is fixedly arranged at the bottom of the valve rod, the adjusting piece is fixedly arranged at the bottom surface of the closing piece, and the valve rod drives the adjusting piece to lift.

[0012] As a further scheme of the present utility model, the number of the adjusting pieces is several groups, the several groups of adjusting pieces are distributed from top to bottom and the diameters are sequentially reduced, and the adjusting pieces are used for changing the flow-through aperture of the valve disc.

[0013] As a further scheme of the present utility model, the sealing assembly comprises a silica gel sleeve and a rubber sleeve, the silica gel sleeve is sleeved on the surface of the connecting threaded pipe, the rubber sleeve is sleeved on the surface of the silica gel sleeve, and the sealing assembly is used for sealing the connecting position.

[0014] As a further scheme of the present utility model, screw holes are formed around the surface of the flange, connecting studs are penetrated into the screw holes, the number of the connecting studs is four and the connecting studs are arranged in annular array, and the connecting studs are used for mounting the check valve.

[0015] As a further scheme of the present utility model, a rotating wheel is fixedly arranged at the top of the valve rod, an anti-skid sleeve is sleeved on the surface of the rotating wheel, and the rotating wheel is used for driving the valve rod to rotate.

[0016] (Three) beneficial effects

[0017] The present utility model provides a bronze stop valve with flange structure, which has the following beneficial effects:

[0018] 1、 the bronze stop valve with flange structure, through the setting of the sealing assembly, the sealing assembly is sleeved on the connecting threaded pipe, and then the connecting threaded pipe is connected and installed with the external pipeline, the rubber sleeve and the silica gel sleeve seal the connecting position of the pipeline, the internal silica gel sleeve fills the gap of the connection, and the flange of the check valve and the connecting position of the external pipeline are well sealed.

[0019] 2、 the bronze stop valve with flange structure, through the setting of the adjusting mechanism, the valve rod is rotated, the adjusting mechanism is driven to lift in the valve disc, because the diameters of the multiple adjusting pieces are different, the flow-through aperture of the valve disc is changed, and the flow of the check valve is conveniently adjusted by personnel. ACCURACY

[0020] Figure 1 It is the whole structure schematic view of the present utility model;

[0021] Figure 2 It is the sealing assembly structure schematic view of the present utility model;

[0022] Figure 3 It is the adjusting mechanism structure schematic view of the present utility model;

[0023] Figure 4 It is a profile structure schematic view of the utility model;

[0024] Figure 5 It is a valve clack structure schematic view of the utility model.

[0025] In the drawing: 1, bronze valve seat; 2, valve stem; 3, adjusting mechanism; 301, closing piece; 302, adjusting piece; 4, valve clack; 5, liquid inlet end; 6, liquid outlet end; 7, flange; 8, connecting threaded pipe; 9, sealing assembly; 901, silica gel sleeve; 902, rubber sleeve; 10, connecting stud; 11, runner. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a bronze stop valve with flange structure, including bronze valve seat 1, the top surface of bronze valve seat 1 is connected with valve stem 2 by screw thread, the bottom of valve stem 2 is fixedly provided with adjusting mechanism 3, by the setting of adjusting mechanism 3, rotate valve stem 2, drive adjusting mechanism 3 to lift in valve clack 4, because the diameter of multiple adjusting pieces 302 is different, the flow-through aperture of valve clack 4 will change, reach the effect that it is convenient for personnel to adjust the flow of check valve.

[0028] The inside of bronze valve seat 1 is fixedly provided with valve clack 4;The bottom of one side of bronze valve seat 1 is through and is provided with liquid inlet end 5, the top of the other side of bronze valve seat 1 is through and is provided with liquid outlet end 6, the side of liquid inlet end 5 and liquid outlet end 6 is fixedly provided with flange 7;The side of flange 7 is fixedly provided with connecting threaded pipe 8, the surface of connecting threaded pipe 8 is sleeved with sealing assembly 9, by the setting of sealing assembly 9, sealing assembly 9 is sleeved on connecting threaded pipe 8, then connecting threaded pipe 8 is connected and installed with external pipeline, rubber sleeve 902 and silica gel sleeve 901 seal the connecting place of pipeline, the inside silica gel sleeve 901 will fill the gap of connection, reach the effect that flange 7 of check valve is well sealed with the connecting place of external pipeline.

[0029] Adjusting mechanism 3 includes closing piece 301 and adjusting piece 302, closing piece 301 is fixedly set on the bottom of valve stem 2, and adjusting piece 302 is fixedly set on the bottom surface of closing piece 301.

[0030] By the setting of adjusting mechanism 3, the flow-through aperture of valve clack 4 is changed, which is convenient for personnel to adjust the flow of check valve.

[0031] The number of the adjusting pieces 302 is several groups, and the several groups of adjusting pieces 302 are distributed from top to bottom and the diameters are gradually reduced.

[0032] Through the setting of the adjusting pieces 302, the function of changing the flow hole diameter of the valve disc 4 is realized.

[0033] The sealing assembly 9 comprises a silica gel sleeve 901 and a rubber sleeve 902, the silica gel sleeve 901 is sleeved on the surface of the connecting threaded pipe 8, and the rubber sleeve 902 is sleeved on the surface of the silica gel sleeve 901.

[0034] Through the setting of the sealing assembly 9, the rubber sleeve 902 and the silica gel sleeve 901 seal the connecting position of the pipeline, and the internal silica gel sleeve 901 fills the connecting gap, thereby sealing the connecting position of the flange 7 of the check valve and the external pipeline.

[0035] Threaded holes are formed in the periphery of the surface of the flange 7, and connecting studs 10 are penetrated in the internal threaded holes, and the number of the connecting studs 10 is four groups and is distributed in a ring array.

[0036] Through the setting of the connecting studs 10, the function of connecting and installing the flange 7 and the external pipeline is realized.

[0037] The top of the valve rod 2 is fixedly provided with a rotating wheel 11, and the surface of the rotating wheel 11 is sleeved with an anti-skid sleeve.

[0038] Through the setting of the rotating wheel 11, the function of rotating the valve rod 2 is realized.

[0039] In the utility model, the working steps of the device are as follows:

[0040] The first step is that the sealing assembly 9 is sleeved on the connecting threaded pipe 8, and then the connecting threaded pipe 8 is connected and installed with the external pipeline, the rubber sleeve 902 and the silica gel sleeve 901 seal the connecting position of the pipeline, and the internal silica gel sleeve 901 fills the connecting gap, thereby sealing the connecting position of the flange 7 of the check valve and the external pipeline.

[0041] The second step is that the valve rod 2 is rotated, and the adjusting mechanism 3 is driven to ascend and descend in the valve disc 4, because the diameters of the multiple adjusting pieces 302 are different, the flow hole diameter of the valve disc 4 is changed, and the flow of the check valve is conveniently adjusted.

[0042] It should be noted that the device structure and the drawings of the present application mainly describe the principle of the present application, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described, and under the premise that the above-mentioned principle of the present application is understood by the person skilled in the art, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled through the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art.

[0043] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A bronze stop valve with flange structure comprising a bronze valve seat (1), characterized in that: The top surface of the bronze valve seat (1) is threadedly connected with a valve stem (2), the bottom of the valve stem (2) is fixedly provided with an adjusting mechanism (3), and the inside of the bronze valve seat (1) is fixedly provided with a valve clack (4); The bottom of one side of the bronze valve seat (1) is throughly provided with a liquid inlet end (5), the top of the other side of the bronze valve seat (1) is throughly provided with a liquid outlet end (6), and the one side of the liquid inlet end (5) and the liquid outlet end (6) is fixedly provided with a flange (7); The one side of the flange (7) is fixedly provided with a connecting threaded pipe (8), and the surface of the connecting threaded pipe (8) is sleeved with a sealing assembly (9).

2. A bronze stop valve with flange structure according to claim 1, characterized in that: The adjusting mechanism (3) comprises a closing piece (301) and an adjusting piece (302), the closing piece (301) is fixedly arranged at the bottom of the valve stem (2), and the adjusting piece (302) is fixedly arranged at the bottom surface of the closing piece (301).

3. A bronze stop valve with flange structure according to claim 2, characterized in that: The number of the adjusting piece (302) is several groups, and the several groups of adjusting pieces (302) are distributed from top to bottom and the diameters are sequentially reduced.

4. The bronze valve as set forth in claim 1, wherein: The sealing assembly (9) comprises a silica gel sleeve (901) and a rubber sleeve (902), the silica gel sleeve (901) is sleeved on the surface of the connecting threaded pipe (8), and the rubber sleeve (902) is sleeved on the surface of the silica gel sleeve (901).

5. The bronze valve as set forth in claim 1, wherein: Threaded holes are formed in the periphery of the surface of the flange (7), the inside of the threaded holes is throughly provided with a connecting stud (10), and the number of the connecting stud (10) is four and is arranged in annular array.

6. A bronze valve with flange structure according to claim 1, characterized in that: The top of the valve stem (2) is fixedly provided with a rotating wheel (11), and the surface of the rotating wheel (11) is sleeved with an anti-skid sleeve.

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