CN222502692U - A butterfly valve that is easy to disassemble and assemble - Google Patents

Abstract

The utility model relates to the technical field of butterfly valves, specifically to a butterfly valve that is easy to disassemble and assemble, comprising a valve body and two pipes, the left and right end surfaces of the valve body are fixedly connected with a first flange, the ends of the two pipes opposite to the valve body are fixedly connected with a second flange, the outer wall of the valve body is fixedly connected with two symmetrically distributed first supports, a bidirectional screw rod is rotatably connected between the two first supports, by arranging the first flange on the valve body and the second flange on the pipe, and respectively arranging limit columns and through holes on the first flange and the second flange, the pipe and the valve body can be quickly docked, and by cooperating with the bidirectional screw rod, sliding rod, slip ring, connecting rod, hinge seat and clamping rod, multiple clamping rods can be driven to rotate synchronously to synchronously press the second flanges on both sides onto the two first flanges, thereby quickly fixing the pipe and the valve body, solving the problem of needing to rotate multiple bolts one by one into the connecting holes for fixing, which is time-consuming and labor-intensive, and is easy to install.

Description

Butterfly valve convenient to dismouting

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve convenient to disassemble and assemble.

Background

The valve is also called a flap valve, is a regulating valve with simple structure, can be used for the on-off control of low-pressure pipeline medium, and is characterized in that a closing member is a disc, and rotates around a valve shaft to achieve the purpose of opening and closing, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil products, liquid metal, radioactive mediums and the like, and mainly plays the roles of cutting off and throttling on a pipeline, and a butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve in a valve body, so that the purpose of opening and closing or regulating is achieved.

When the existing butterfly valve is installed on a pipeline, the existing butterfly valve is usually connected through bolts, a plurality of bolts are required to be rotated into the connecting holes one by workers, nuts are matched and installed to fix the existing butterfly valve, but the connecting mode is time-consuming and labor-consuming, the installation requirement and the step are very complicated, and the butterfly valve cannot be installed and detached quickly.

Disclosure of utility model

The utility model aims at the problems and provides a butterfly valve convenient to assemble and disassemble to solve the problems.

The utility model discloses a butterfly valve convenient to disassemble and assemble, which comprises a valve body and two pipelines, wherein the left end face and the right end face of the valve body are fixedly connected with first flanges, the opposite ends of the two pipelines and the valve body are fixedly connected with second flanges, the outer wall of the valve body is fixedly connected with two symmetrically distributed first supports, a bidirectional screw rod is rotationally connected between the two first supports, the outer wall of the valve body is slidably connected with two symmetrically distributed sliding rings, the two sliding rings are respectively in threaded connection with the two ends of the bidirectional screw rod, the outer walls of the two sliding rings are hinged with a plurality of connecting rods distributed in an array, the two sides of the outer wall of the valve body are fixedly connected with a plurality of hinged supports distributed in an array, the outer walls of the hinged supports are hinged with clamping rods, and the connecting rods are hinged with the clamping rods respectively.

In order to facilitate sliding stabilization of the sliding ring, the butterfly valve convenient to assemble and disassemble is preferable, wherein the outer wall of the valve body is fixedly connected with two symmetrically distributed second supports, a sliding rod is fixedly connected between the two second supports, the two sliding rings are respectively and slidably connected with the sliding rod, and the bidirectional screw rod and the sliding rod are symmetrically distributed.

In order to facilitate the butt joint of the first flange and the second flange, the butterfly valve convenient to assemble and disassemble is preferable in the utility model, one ends of the two opposite first flanges are fixedly connected with a plurality of spacing columns distributed in an array, and the outer walls of the two second flanges are provided with a plurality of through holes matched with the spacing columns.

In order to facilitate the clamping rods to fix the second flange on the first flange, the butterfly valve which is convenient to disassemble and assemble is preferable to be provided with a plurality of clamping rods which are in hook shapes.

In order to facilitate maintaining good sealing performance between the valve body and the pipelines, the butterfly valve convenient to assemble and disassemble is preferable in the utility model, and sealing rings are arranged between the valve body and the two pipelines.

In order to facilitate the rotation of the bidirectional screw rod, the butterfly valve convenient to disassemble and assemble is preferable, and a rubber sleeve is arranged on the outer wall of the bidirectional screw rod.

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

This kind of butterfly valve convenient to dismouting is through setting up first flange and setting up the second flange at the pipeline at the valve body to set up spacing post and through-hole respectively at first flange and second flange, can dock pipeline and valve body fast, through two-way lead screw, slide bar, sliding ring, connecting rod, free bearing and clamp lever cooperation, can drive a plurality of clamp levers synchronous rotation and compress tightly the second flange of both sides on two first flanges in step, thereby fix pipeline and valve body fast, solved in the past need with a plurality of bolts rotate one by one and fix the problem that wastes time and energy in the connecting hole, simple to operate.

Drawings

FIG. 1 is an overall block diagram of a butterfly valve of the present utility model that is easy to assemble and disassemble;

FIG. 2 is an exploded view of a butterfly valve of the present utility model for easy disassembly;

FIG. 3 is a front view of a butterfly valve of the present utility model that is easy to assemble and disassemble;

FIG. 4 is a rear view of a butterfly valve of the present utility model that is easy to assemble and disassemble.

In the figure, 1, a valve body, 2, a pipeline, 3, a first flange, 4, a second flange, 5, a first support, 6, a bidirectional screw rod, 7, a second support, 8, a slide bar, 9, a slip ring, 10, a connecting rod, 11, a hinged support, 12, a clamping rod, 13, a through hole, 14, a limit post, 15 and a rubber sleeve.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, a butterfly valve convenient to disassemble and assemble comprises a valve body 1 and two pipelines 2, wherein a first flange 3 is fixedly connected to the left end face and the right end face of the valve body 1, a second flange 4 is fixedly connected to the opposite ends of the two pipelines 2 and the valve body 1, two symmetrically distributed first supports 5 are fixedly connected to the outer wall of the valve body 1, a bidirectional screw rod 6 is rotatably connected between the two first supports 5, two symmetrically distributed sliding rings 9 are slidably connected to the outer wall of the valve body 1, the two sliding rings 9 are respectively in threaded connection with the two ends of the bidirectional screw rod 6, a plurality of arrayed connecting rods 10 are hinged to the outer wall of the two sliding rings 9, a plurality of arrayed hinged supports 11 are fixedly connected to the two sides of the outer wall of the valve body 1, clamping rods 12 are hinged to the outer wall of the hinged supports 11, and the connecting rods 10 are hinged to the clamping rods 12.

In the embodiment, the second flanges 4 on the two pipelines 2 are respectively aligned with the first flanges 3 at the two ends of the valve body 1, so that the limiting columns 14 are inserted into the through holes 13, the two-way screw rods 6 are rotated through the rubber sleeves 15, the two slip rings 9 are further driven to slide along the sliding rods 8 in opposite directions, the slip rings 9 further drive the clamping rods 12 to rotate along the hinged supports 11 through the connecting rods 10, the tail ends of the clamping rods 12 are pressed on the second flanges 4, the second flanges 4 are further fixed with the first flanges 3, the pipelines 2 and the valve body 1 are fixed, the two-way screw rods 6 drive the two-way screw rods 12 to synchronously rotate, the pipelines 2 at the two sides are simultaneously fixed with the valve body 1, and the installation is convenient.

As a technical optimization scheme of the utility model, two symmetrically distributed second supports 7 are fixedly connected to the outer wall of the valve body 1, a sliding rod 8 is fixedly connected between the two second supports 7, two sliding rings 9 are respectively and slidably connected with the sliding rod 8, and the bidirectional screw rod 6 and the sliding rod 8 are symmetrically distributed.

In the embodiment, the two sliding rings 9 are in sliding connection with the sliding rod 8, so that the two sliding rings 9 can move stably.

As a technical optimization scheme of the utility model, one ends of the two first flanges 3 which are opposite are fixedly connected with a plurality of limit posts 14 which are distributed in an array, and the outer walls of the two second flanges 4 are provided with a plurality of through holes 13 which are matched with the limit posts 14.

In the embodiment, the first flange 3 and the second flange 4 are connected by inserting the limiting column 14 into the through hole 13, so that the valve body 1 is limited conveniently, and the connection is firm.

As a technical solution of the utility model, the clamping bars 12 are all hook-shaped.

In this embodiment, the second flange 4 is fixed to the first flange 3 by providing the clamping bar 12 in a hook shape, facilitating the rotation of the clamping bar 12.

As a technical optimization scheme of the utility model, sealing rings are arranged between the valve body 1 and the two pipelines 2.

In this embodiment, by providing a seal ring between the valve body 1 and the two pipes 2, it is convenient to keep the tightness between the valve body 1 and the pipes 2 good.

As a technical optimization scheme of the utility model, the outer wall of the bidirectional screw rod 6 is provided with a rubber sleeve 15.

In the embodiment, the rubber sleeve 15 is arranged on the outer wall of the bidirectional screw rod 6, so that the bidirectional screw rod 6 is convenient to rotate.

When the valve body 1 is installed, the second flanges 4 on the two pipelines 2 are respectively aligned with the first flanges 3 at the two ends of the valve body 1, the limiting columns 14 are inserted into the through holes 13, then the two-way screw rods 6 are rotated through the rubber sleeves 15, the two slip rings 9 are further driven to slide along the sliding rods 8 in opposite directions, the slip rings 9 further drive the clamping rods 12 to rotate along the hinged supports 11 through the connecting rods 10, the tail ends of the clamping rods 12 are pressed on the second flanges 4, the second flanges 4 are further fixed with the first flanges 3, the pipelines 2 and the valve body 1 are fixed, the two-way screw rods 6 drive the clamping rods 12 to synchronously rotate, and the pipelines 2 at the two sides are simultaneously fixed with the valve body 1, so that the installation is convenient.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (6)

1. The butterfly valve convenient to dismouting, including valve body (1) and two pipeline (2), its characterized in that, the left and right sides terminal surface of valve body (1) is all fixedly connected with first flange (3), two the equal fixedly connected with second flange (4) of one end that pipeline (2) are relative with valve body (1), the outer wall fixedly connected with two symmetrical distribution's first support (5) of valve body (1), two rotate between first support (5) and be connected with two bilateral lead screw (6), the outer wall sliding connection of valve body (1) has two symmetrical distribution's sliding ring (9), two sliding ring (9) respectively threaded connection are in the both ends of two bilateral lead screw (6), two the outer wall of sliding ring (9) all articulates there are connecting rod (10) that a plurality of arrays distribute, the both sides of valve body (1) outer wall are all fixedly connected with hinge seat (11) that a plurality of arrays distribute, and a plurality of hinge seat (11) outer wall all articulates there is clamp bar (12), a plurality of connecting rod (10) are articulated with a plurality of clamp bar (12) respectively.

2. The butterfly valve convenient to disassemble and assemble is characterized in that two symmetrically-distributed second supports (7) are fixedly connected to the outer wall of the valve body (1), sliding rods (8) are fixedly connected between the two second supports (7), the two sliding rings (9) are respectively connected with the sliding rods (8) in a sliding mode, and the two-way screw rods (6) and the sliding rods (8) are symmetrically distributed.

3. The butterfly valve convenient to disassemble and assemble according to claim 1, wherein one ends of the two first flanges (3) which are opposite are fixedly connected with a plurality of limit posts (14) distributed in an array, and the outer walls of the two second flanges (4) are provided with a plurality of through holes (13) matched with the limit posts (14).

4. A butterfly valve as recited in claim 1, wherein said plurality of clamping bars (12) are hooked.

5. The butterfly valve convenient to disassemble and assemble is characterized in that sealing rings are arranged between the valve body (1) and the two pipelines (2).

6. The butterfly valve convenient to disassemble and assemble according to claim 1, wherein a rubber sleeve (15) is arranged on the outer wall of the bidirectional screw rod (6).