Combined butterfly valve

Abstract

The utility model discloses a combined butterfly valve, which belongs to the technical field of valves and comprises a valve body and a base, a bearing is mounted in the center of the top end of the base, a rotating rod is rotatably arranged in the center of the top end of the base through the bearing, a rotating disc is fixed in the center of the top end of the rotating rod, and a connecting cylinder is fixed in the center of the top end of the rotating disc. A connecting rod is fixed to the center of the bottom end of the valve body, connecting screw holes are formed in the side wall of the connecting rod and the side wall of the connecting cylinder in a matched mode, connecting bolts are connected into the connecting screw holes in a threaded mode, a through hole is formed in the edge of the top end of the rotating disc, and positioning holes are evenly formed in the center circumference of the top end of the base. By means of the mode, the position and the direction of the base relative to the valve body are adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely relates to a combined butterfly valve. BACKGROUND

[0002] The butterfly valve is a simple structure regulating valve, and is a valve with a disc as a closing part, which rotates around a valve shaft to achieve opening and closing. It can be used for on-off control of low-pressure pipeline medium, and has the characteristics of simple structure, small size, light weight, material saving, small installation size, small driving torque, easy operation and rapidness, and is widely used. The existing butterfly valve generally comprises a valve body and a support seat integrally formed at the lower part of the valve body.

[0003] At present, the Chinese patent with the application number CN202323652725.2 discloses a combined butterfly valve, which comprises a mounting pipe, a connecting block fixedly connected to the bottom of the mounting pipe, a threaded column fixedly connected to the bottom end of the connecting block, a base provided below the mounting pipe, a sleeve slidably connected to the top of the base, an adjusting screw rotatably connected to the bottom of the base, the adjusting screw and the bottom of the sleeve being threadedly connected, an installation block fixedly installed at the top end of the adjusting screw, an installation groove provided at the top of the installation block, the installation groove being threadedly connected with the threaded column, connecting seats fixedly installed on the side walls of the sleeve, hexagonal bolts provided in the connecting seats, the hexagonal bolts penetrating through the sleeve and the connecting block, and a hexagonal nut threadedly connected to one end of the hexagonal bolt; the base and the valve body are separately arranged, which facilitates disassembly and assembly, but the base and the valve body are fixed by a threaded connection, which is inconvenient for adjusting the connection direction of the base and the valve body and connecting with external pipelines.

[0004] Based on the above problems, the utility model discloses a combined butterfly valve. UTILITY MODEL CONTENTS

[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a combined butterfly valve.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme:

[0007] A combined butterfly valve comprises a valve body and a base, a bearing is installed at the top center of the base, a rotating rod is rotatably arranged at the top center of the base through the bearing, a rotating disc is fixedly arranged at the top center of the rotating rod, a connecting barrel is fixedly arranged at the top center of the rotating disc, a connecting rod is fixedly arranged at the bottom center of the valve body, connecting screw holes are cooperatively arranged on the side walls of the connecting rod and the connecting barrel, connecting bolts are threadedly connected in the connecting screw holes, a through hole is arranged at the top edge of the rotating disc, positioning holes are uniformly arranged at the top center of the base, and positioning rods are inserted into the positioning holes and the through hole.

[0008] Further, the length of the connecting rod is slightly greater than the length of the connecting cylinder, and the diameter of the connecting rod is equal to the inner diameter of the connecting cylinder.

[0009] Further, the connecting bolt is a double-headed bolt, and fixed nuts are screwed on both ends of the connecting bolt.

[0010] Further, the bottom end of the rotating disc is in contact with the top end of the base, the diameters of the through hole, the positioning hole and the positioning rod are the same, and the height of the positioning rod is slightly greater than the sum of the depths of the positioning hole and the through hole.

[0011] Further, springs are symmetrically arranged on both sides of the center of the top end of the base, and support plates are fixed on the top ends of the springs.

[0012] Further, sliding grooves are symmetrically arranged on both sides of the top end of the base, sliding blocks are slidably connected in the sliding grooves, a bottom plate is fixed on the top end of the sliding block, screw rods and guide rods are symmetrically arranged on both sides of the center of the top end of the bottom plate, the screw rods rotate on the top end of the bottom plate, lifting plates are screwed on the side walls of the screw rods, the lifting plates movably sleeve the side walls of the guide rods, and the springs are fixed on the lifting plates.

[0013] Further, the sliding grooves are arranged through the side surface of the base, and the heights of the guide rods and the screw rods are the same.

[0014] Further, the top end of the base is provided with fixed holes at equal intervals, the top end of the bottom plate is provided with connecting holes in cooperation, and fixed rods are inserted into the fixed holes and the connecting holes, and the height of the fixed rod is greater than the vertical distance from the top end of the bottom plate to the bottom end of the fixed hole.

[0015] Beneficial effects

[0016] 1. By arranging the bearing, the rotating rod and the rotating disc, after the connecting rod and the connecting cylinder are connected and fixed, the rotating disc can be rotated by the bearing, so as to adjust the position and direction of the base relative to the valve body, and the subsequent installation of the valve body is facilitated; by arranging the through hole, the positioning hole and the positioning rod, the base can be fixed by inserting the positioning rod into the positioning hole and the through hole;

[0017] 2. By arranging the spring and the support plate, the support plate is in contact with the bottom end of the valve body, and the spring is elastically deformed to assist in supporting; by arranging the sliding groove, the sliding block, the bottom plate, the screw rod, the guide rod and the lifting plate, the position of the sliding block can be adjusted according to the length of the valve body, so as to adjust the horizontal position of the lifting plate, rotate the screw rod, and move the lifting plate upward under the assistance of the guide rod, so as to adjust the height of the lifting plate, thereby adjusting the compression degree of the spring; by arranging the fixed hole, the connecting hole and the fixed rod, the fixed rod is inserted into the fixed hole and the connecting hole at a suitable position, so as to facilitate the fixation of the sliding block and the bottom plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 It is a perspective view of the main structure of a combined butterfly valve of the present application;

[0020] Figure 2 It is a perspective view of the base structure of a combined butterfly valve of the present application;

[0021] Figure 3 It is a perspective view of the connecting cylinder structure of a combined butterfly valve of the present application;

[0022] Figure 4 It is a perspective view of the lifting plate structure of a combined butterfly valve of the present application.

[0023] The numbers in the drawings represent respectively:

[0024] 1, valve body; 2, base; 3, bearing; 4, rotating rod; 5, rotating disc; 6, connecting cylinder; 7, connecting rod; 8, connecting screw hole; 9, connecting bolt; 10, through hole; 11, positioning hole; 12, positioning rod; 13, fixing nut; 14, spring; 15, support plate; 16, sliding groove; 17, sliding block; 18, bottom plate; 19, screw rod; 20, guide rod; 21, lifting plate; 22, fixing hole; 23, connecting hole; 24, fixing rod. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] The present application will be further described below in combination with the embodiments.

[0027] In some embodiments, referring to the drawings in the specification Figure 1 、 Figure 2 and Figure 3The utility model provides a kind of combined butterfly valve, including valve body 1 and base 2, bearing 3 is installed in the top center of base 2, rotating lever 4 is rotated in the top center of base 2 by bearing 3, rotary disc 5 is fixed in the top center of rotating lever 4, connecting cylinder 6 is fixed in the top center of rotary disc 5, connecting rod 7 is fixed in the bottom center of valve body 1, connecting screw hole 8 is cooperatively opened on the side wall of connecting rod 7 and the side wall of connecting cylinder 6, connecting bolt 9 is screw connected in connecting screw hole 8, through hole 10 is opened in the top edge of rotary disc 5, positioning hole 11 is evenly opened in the top center of base 2, positioning rod 12 is inserted in positioning hole 11 and through hole 10;

[0028] In the utility model embodiment, when using, connecting rod 7 is inserted into connecting cylinder 6, and the fixing of connecting rod 7 and connecting cylinder 6 is carried out by utilizing the threaded connection of connecting bolt 9 and connecting screw hole 8, so that base 2 and valve body 1 are fixed, and at the same time, the position and direction of base 2 relative to valve body 1 can be adjusted by rotating rotary disc 5 using bearing 3, so that the subsequent installation of valve body 1 is facilitated, and after adjustment, positioning rod 12 is inserted into positioning hole 11 and through hole 10 to be fixed;

[0029] In the utility model embodiment, by setting bearing 3, rotating lever 4 and rotary disc 5, the position and direction of base 2 relative to valve body 1 can be adjusted by rotating rotary disc 5 using bearing 3 after the connection and fixation of connecting rod 7 and connecting cylinder 6, so that the subsequent installation of valve body 1 is facilitated, and by setting through hole 10, positioning hole 11 and positioning rod 12, base 2 can be fixed by inserting positioning rod 12 into positioning hole 11 and through hole 10.

[0030] In one example of the utility model, the length of connecting rod 7 is slightly greater than the length of connecting cylinder 6, and the diameter of connecting rod 7 is equal to the inner diameter of connecting cylinder 6; connecting bolt 9 is a double-headed bolt, and fixed nuts 13 are threadedly fixed at both ends of the double-headed bolt, and the threaded cooperation of fixed nuts 13 and connecting bolt 9 is used to further fix connecting rod 7 and connecting cylinder 6; the bottom end of rotary disc 5 contacts the top end of base 2, the diameters of through hole 10, positioning hole 11 and positioning rod 12 are the same, the height of positioning rod 12 is slightly greater than the sum of the depth of positioning hole 11 and the depth of through hole 10, and the positioning rod 12 is convenient to assemble and disassemble;

[0031] In some embodiments, as Figure 1 , Figure 2 and Figure 4As shown, the base 2 top center both sides symmetrically provided with spring 14, spring 14 top fixed with support plate 15, base 2 top two sides symmetrically provided with sliding slot 16, sliding slot 16 is slidably connected with the slider 17, the slider 17 top fixed with the bottom plate 18, the bottom plate 18 top center both sides symmetrically installed screw rod 19 and guide rod 20, screw rod 19 rotates at the top of the bottom plate 18, the screw rod 19 side wall is fixed with the lifting plate 21, the lifting plate 21 is movably sleeved on the side wall of the guide rod 20, the spring 14 is fixed on the lifting plate 21, the sliding slot 16 is arranged through the side of the base 2, the guide rod 20 and the screw rod 19 are the same height, the base 2 top is provided with fixed hole 22 at equal intervals, the bottom plate 18 top is provided with connecting hole 23, the connecting hole 23 and the fixed hole 22 are inserted with the fixed rod 24, the height of the fixed rod 24 is greater than the vertical distance from the top of the bottom plate 18 to the bottom of the fixed hole 22.

[0032] In the embodiment of the utility model, in use, according to the length of valve body 1, slider 17 is slid into sliding slot 16, the fixed hole 22 of appropriate position is selected, the fixed rod 24 is inserted into fixed hole 22 and connecting hole 23, the fixing of slider 17 and bottom plate 18 is carried out, then connecting rod 7 is inserted into connecting cylinder 6, and connecting rod 7 and connecting cylinder 6 are fixed by using connecting bolt 9 threaded through connecting screw hole 8, so that base 2 and valve body 1 are fixed, at the same time, using bearing 3, rotating disc 5 can be rotated, so that the position and direction of base 2 relative to valve body 1 are adjusted, so that base 2 is arranged along the length direction of valve body 1, the subsequent installation of valve body 1 is facilitated, after adjustment, positioning rod 12 is inserted into positioning hole 11 and through hole 10, and then fixed, finally, rotating screw rod 19, under the assistance of guide rod 20, lifting plate 21 moves upwards, so that support plate 15 contacts the bottom end of valve body 1, and the support of valve body 1 is assisted under the elastic action of spring 14.

[0033] In the embodiment of the utility model, through the setting of spring 14 and support plate 15, support plate 15 contacts the bottom end of valve body 1, and the support of valve body 1 is assisted under the elastic action of spring 14, through the setting of sliding slot 16, slider 17, bottom plate 18, screw rod 19, guide rod 20 and lifting plate 21, the position of slider 17 can be adjusted according to the length of valve body 1, so that the horizontal position of lifting plate 21 is adjusted, screw rod 19 is rotated, lifting plate 21 moves upwards under the assistance of guide rod 20, and the height of lifting plate 21 is adjusted, so that the adjustment of the extrusion degree of spring 14 is realized, through the setting of fixed hole 22, connecting hole 23 and fixed rod 24, the fixed rod 24 is inserted into fixed hole 22 and connecting hole 23, so that the fixing of slider 17 and bottom plate 18 is facilitated.

[0034] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A combined butterfly valve comprising a valve body (1) and a base (2), characterized in that: The base (2) top center is provided with a bearing (3), the base (2) top center is rotated by bearing (3) with rotating rod (4), the rotating rod (4) top center is fixed with rotating disc (5), the rotating disc (5) top center is fixed with connecting cylinder (6), the valve body (1) bottom center is fixed with connecting rod (7), the connecting rod (7) side wall and connecting cylinder (6) side wall are matched with connecting screw hole (8) and are provided with connecting screw hole (8), the connecting screw hole (8) is screwed with connecting bolt (9), the rotating disc (5) top edge is provided with through hole (10), the base (2) top center is evenly provided with positioning hole (11), the positioning hole (11) and through hole (10) are inserted with positioning rod (12).

2. The combination butterfly valve of claim 1, wherein, The length of the connecting rod (7) is slightly greater than the length of the connecting cylinder (6), and the diameter of the connecting rod (7) is equal to the inner diameter of the connecting cylinder (6).

3. The combination butterfly valve of claim 2, wherein, The connecting bolt (9) is a double-headed bolt, and the two ends are screwed with fixed nuts (13).

4. The combination butterfly valve of claim 3, wherein, The rotating disc (5) bottom and the base (2) top end contact, the diameter of the through hole (10), the positioning hole (11) and the positioning rod (12) is the same, the height of the positioning rod (12) is slightly greater than the sum of the depth of the positioning hole (11) and the through hole (10).

5. The combination butterfly valve of claim 4, wherein, The base (2) top center is provided with spring (14) on both sides, and the spring (14) top is fixed with support plate (15).

6. The combination butterfly valve of claim 5, wherein, The base (2) top two sides are symmetrically provided with sliding groove (16), the sliding groove (16) is slidably connected with sliding block (17), the sliding block (17) top is fixed with bottom plate (18), the bottom plate (18) top center is symmetrically provided with screw rod (19) and guide rod (20) on both sides, the screw rod (19) rotates on the top of the bottom plate (18), the screw rod (19) side wall is screwed with lifting plate (21), the lifting plate (21) is movably sleeved on the side wall of the guide rod (20), and the spring (14) is fixed on the lifting plate (21).

7. The combination butterfly valve of claim 6, wherein, The sliding groove (16) penetrates the side of the base (2), and the heights of the guide rod (20) and the screw rod (19) are the same.

8. The combination butterfly valve of claim 7, wherein, The base (2) top is provided with fixed hole (22) at equal intervals, the bottom plate (18) top is matched with connecting hole (23), the connecting hole (23) and fixed hole (22) are inserted with fixed rod (24), and the height of the fixed rod (24) is greater than the vertical distance from the top of the bottom plate (18) to the bottom of the fixed hole (22).

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