Butterfly valve structure capable of being quickly assembled

Abstract

The utility model discloses a quickly assembled butterfly valve structure which comprises a valve body, intercepting nets are arranged at the two ends of the valve body, a valve plate is arranged between the left intercepting net and the right intercepting net, a limiting ring is arranged in the valve body between the intercepting nets and the valve plate, and the intercepting nets and the limiting ring are attached and positioned. The intercepting net comprises a connecting ring and a net piece arranged in the connecting ring, a plurality of positioning holes are formed in the outer side wall face of the connecting ring along the circumference of the connecting ring in an array mode, and positioning pin assemblies capable of being inserted into the positioning holes are arranged on the valve body. The positioning pin assemblies are matched with the positioning holes in an inserted mode, and left-right movement of the intercepting net can be limited. And during disassembly, the positioning pin assembly is pulled to be separated from the positioning hole, and then the intercepting net can be taken out, so that disassembly is completed. Disassembly can be achieved under the condition that a tool is not needed.

Description

Technical Field

[0001] The utility model relates to a quickly assembled butterfly valve structure. Background Art

[0002] Prior art, such as Chinese utility model patent document with publication number CN220910503U, discloses a U-shaped butterfly valve, including a valve body and an adjusting device, the adjusting device including a valve stem and an adjusting rod, a fixing cylinder is provided in the middle of the outer wall of the valve body, the adjusting device is installed in the fixing cylinder, both ends of the valve body are provided with a limiting fixing structure, the limiting fixing structure includes a limiting ring and an intercepting net, the limiting ring is combinedly connected to the valve body, and flanges are provided on the outer walls of the limiting rings; the U-shaped butterfly valve is combinedly connected to the valve body by setting a limiting ring and cooperating with an intercepting net.

[0003] Based on the above, in the prior art, the intercepting net is plugged into the card column and the card slot, which helps to quickly install and fit, and the position of the intercepting net is fixed with the cooperation of the fixing screws, and the overall assembly is easy to install. The technical problem is that the intercepting net is connected with fixing screws, and the connection of the fixing screws is prone to stripping and rusting, which makes it inconvenient to disassemble after long-term use. At the same time, the intercepting net is fixed with screws. When disassembling, the screws must be removed with tools before the intercepting net can be disassembled. This operation method is not convenient for users and needs further improvement. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a butterfly valve structure that can be quickly assembled and disassembled without using tools.

[0005] A quick-assembly butterfly valve structure designed for this purpose includes a valve body, interception nets are arranged at both ends of the valve body, a valve plate is arranged between the left and right interception nets, a limit ring is arranged in the valve body between the interception net and the valve plate, the interception net and the limit ring are fit and positioned, the interception net includes a connecting ring and a mesh member arranged in the connecting ring, a plurality of positioning holes are arranged on the outer wall surface of the connecting ring along the circumference thereof, and a positioning pin assembly which can be inserted into the positioning hole is arranged on the valve body.

[0006] Preferably, the valve body is provided with a mounting hole, the mounting hole is provided with a pin hole interconnected with the positioning hole, the positioning pin assembly comprises a movable pin arranged in the mounting hole, the movable pin passes through the pin hole and can be plugged into the positioning hole, the movable pin is provided with a movable plug, and the movable plug is movably arranged in the mounting hole;

[0007] One end of the mounting hole away from the pin hole is connected to a limiting sleeve, and a spring is sleeved on the movable pin between the limiting sleeve and the movable plug;

[0008] One end of the movable pin passes through the limiting sleeve and extends to the outside;

[0009] An operating element is arranged at one end of the movable pin away from the positioning hole.

[0010] Preferably, the operating element is a pull ring.

[0011] Preferably, a sealing ring is provided between the connecting ring and the limiting ring.

[0012] Preferably, an annular groove is provided on the end surface of the connecting ring facing the limiting ring, and the sealing ring is arranged in the annular groove.

[0013] Preferably, flanges are provided at the left and right ends of the valve body.

[0014] The utility model has the advantages of simple and reasonable structure and easy disassembly and assembly. Compared with the existing technology, the interception net is positioned in a fit with the limit ring. The interception net includes a connecting ring and a mesh member arranged in the connecting ring. The outer wall surface of the connecting ring is provided with a plurality of positioning holes along its circumference array, and the valve body is provided with a positioning pin assembly that can be plugged into the positioning hole. The utility model can limit the left and right movement of the interception net by plugging and matching the positioning pin assembly with the positioning hole. When disassembling, the interception net can be taken out by simply pulling the positioning pin assembly out of the positioning hole to complete the disassembly. Disassembly is achieved without the need for tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 3 For this utility model Figure 2 Enlarged structural diagram at A in the middle. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] See also Figure 1-Figure 3A butterfly valve structure for quick assembly includes a valve body 10, wherein interception nets 20 are arranged at both ends of the valve body 10, a valve plate 40 is arranged between the left and right interception nets 20, a limiting ring 100 is arranged in the valve body 10 between the interception net 20 and the valve plate 40, and the interception net 20 is fitted and positioned with the limiting ring 100, and is characterized in that: the interception net 20 includes a connecting ring 210 and a mesh member 220 arranged in the connecting ring 210, and a plurality of positioning holes 230 are arranged on the outer wall surface of the connecting ring 210 along its circumferential array, and a positioning pin assembly 30 that can be plugged into the positioning hole 230 is arranged on the valve body 10. The utility model can limit the left and right movement of the interception net by plugging and matching the positioning pin assembly with the positioning hole. When disassembling, the interception net can be taken out by simply pulling the positioning pin assembly out of the positioning hole to complete the disassembly. Disassembly can be achieved without the need for tools.

[0020] See also Figure 3 The valve body 10 is provided with a mounting hole 110, and a pin hole 120 is provided in the mounting hole 110 and is communicated with the positioning hole 230. The positioning pin assembly 30 includes a movable pin 310 provided in the mounting hole 110, and the movable pin 310 passes through the pin hole 120 and can be plugged into the positioning hole 230. The movable pin 310 is provided with a movable plug 320, and the movable plug 320 is movably provided in the mounting hole 110;

[0021] One end of the mounting hole 110 away from the pin hole 120 is connected to a limiting sleeve 330 , and a spring 340 is sleeved on the movable pin 310 between the limiting sleeve 330 and the movable plug 320 ;

[0022] One end of the movable pin 310 passes through the limiting sleeve 330 and extends to the outside;

[0023] An operating element 350 is disposed at one end of the movable pin 310 away from the positioning hole 230 .

[0024] The function of the spring 340 is to apply a force to the movable plug 320 so that the movable plug 320 fits on an end face of the mounting hole 110 close to the positioning hole 230. In this state, the movable pin 310 is inserted into the positioning hole 230 to constrain the position of the interception net 20.

[0025] During disassembly, the operating element 350 is driven to move the movable pin 310 toward the side away from the positioning hole 230. During the movement, the spring 340 is compressed and stores force until the movable pin 310 is disengaged from the positioning hole 230, and then the intercepting net 20 can be taken out.

[0026] In the present invention, the operating element 350 is a pull ring.

[0027] In the present invention, a sealing ring 240 is provided between the connecting ring 210 and the limiting ring 100 .

[0028] In the present invention, a ring groove is arranged on the end surface of the connecting ring 210 facing the limiting ring 100, and the sealing ring 240 is arranged in the ring groove.

[0029] In the present invention, flanges 50 are provided at the left and right ends of the valve body 10 .

[0030] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A quick-assembly butterfly valve structure, comprising a valve body (10), wherein interception nets (20) are arranged at both ends of the valve body (10), a valve plate (40) is arranged between the left and right interception nets (20), a limit ring (100) is arranged in the valve body (10) between the interception net (20) and the valve plate (40), and the interception net (20) and the limit ring (100) are fitted and positioned, and characterized in that: The intercepting net (20) comprises a connecting ring (210) and a mesh member (220) arranged inside the connecting ring (210); a plurality of positioning holes (230) are arranged in an array along a circumference on the outer wall surface of the connecting ring (210); and a positioning pin assembly (30) which can be plugged into the positioning hole (230) is arranged on the valve body (10).

2. A quick-assembled butterfly valve structure according to claim 1, characterized in that: The valve body (10) is provided with a mounting hole (110), and a pin hole (120) is provided in the mounting hole (110) and is communicated with the positioning hole (230). The positioning pin assembly (30) includes a movable pin (310) provided in the mounting hole (110), and the movable pin (310) passes through the pin hole (120) and can be plugged into the positioning hole (230). The movable pin (310) is provided with a movable plug (320), and the movable plug (320) is movably provided in the mounting hole (110); One end of the mounting hole (110) away from the pin hole (120) is connected to a limiting sleeve (330), and a spring (340) is sleeved on the movable pin (310) between the limiting sleeve (330) and the movable plug (320); One end of the movable pin (310) passes through the limiting sleeve (330) and extends to the outside; An operating element (350) is provided at one end of the movable pin (310) away from the positioning hole (230).

3. A quick-assembled butterfly valve structure according to claim 2, characterized in that: The operating element (350) is a pull ring.

4. A quick-assembled butterfly valve structure according to claim 1, characterized in that: A sealing ring (240) is provided between the connecting ring (210) and the limiting ring (100).

5. A quick-assembled butterfly valve structure according to claim 4, characterized in that: An annular groove is provided on the end surface of the connecting ring (210) facing the limiting ring (100), and the sealing ring (240) is arranged in the annular groove.

6. A quick-assembled butterfly valve structure according to claim 1, characterized in that: Flange plates (50) are provided at the left and right ends of the valve body (10).

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