Butterfly valve structure with valve plate capable of being replaced quickly

Abstract

The butterfly valve structure comprises a valve body, a valve plate seat and the valve plate are arranged in the valve body, open grooves are formed in the valve plate seat at intervals, the rear end face of the valve plate is attached to the front end face of the valve plate seat, connecting insertion blocks are arranged on the valve plate at intervals, and the valve plate seat and the valve plate seat are connected through the open grooves. The connecting inserting block penetrates through the open groove and extends to the rear side of the valve plate seat, and a locking assembly used for being connected and locked with the connecting inserting block is fixedly arranged on the rear side of the valve plate seat. According to the utility model, the valve plate can be quickly locked on the valve seat through the locking assembly, so that the problems that the operation is inconvenient due to bolt connection and the screw is easy to slip and cannot be disassembled in the later period are solved, the assembly and disassembly processes are optimized, and the manual operation is convenient.

Description

Technical Field

[0001] The utility model relates to a butterfly valve structure with a valve plate capable of being quickly replaced. Background Art

[0002] Prior art, such as Chinese utility model patent document, announcement number CN220727139U, discloses a double-layer sealed butterfly valve, including a main valve plate, an upper shaft sleeve, a lower shaft sleeve, and a side valve plate, two side valve plates are fixedly connected on both sides of the main valve plate, two internal fixing columns are respectively arranged on the top side of the main valve plate and the bottom side of the main valve plate, a support sleeve is fixedly installed on the outer side of the internal fixing columns through mounting holes, and the support sleeve is fixedly connected to the inner side of the side valve plate; the utility model improves the existing valve plate structure, changes the integrated valve plate structure, and the entire valve plate structure is composed of the main valve plate and the side valve plate, an internal fixing column is arranged on the side of the main valve plate, and a support sleeve is arranged on the inner side of the side valve plate, when the side valve plate is installed, it is fixed to the internal fixing column by the support sleeve, thereby completing the fixation of the side valve plate, and disassembly and replacement are also relatively convenient.

[0003] Based on the above, in the prior art, the side valve plate is connected to the internal fixing column through a support sleeve to enable the side valve plate to be connected to the main valve plate, and the support sleeve and the internal fixing column need to be connected by bolts to fix the two. The technical problem with this fixing method is that multiple side valve plates require multiple bolts, the assembly efficiency is low, and tools such as screwdrivers or bolt sleeves are required to assemble or disassemble the bolts in the valve body. The operating space is limited, which is not convenient for manual operation, and the bolt connection may have slippage, resulting in difficulty in later disassembly. 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 does not require bolt connection and can quickly replace the valve plate.

[0005] A butterfly valve structure with a quickly replaceable valve plate designed for this purpose comprises a valve body, wherein a valve plate seat and a valve plate are arranged in the valve body, slots are arranged on the valve plate seat at intervals, the rear end face of the valve plate is fitted with the front end face of the valve plate seat, connecting blocks are arranged on the valve plate at intervals, the connecting blocks extend through the slots to the rear side of the valve plate seat, and a locking component for connecting and locking with the connecting blocks is fixedly arranged on the rear side of the valve plate seat.

[0006] Preferably, a locking socket is provided on the connecting plug block;

[0007] The locking assembly comprises a mounting seat arranged between two connecting plugs, the mounting seat is provided with a through sliding cavity, two locking pins are arranged in the sliding cavity at intervals, an elastic member is arranged between the two locking pins, and the elastic member applies a force to the two locking pins so that the locking pins are inserted into the locking sockets;

[0008] The locking latch is connected with a lever.

[0009] Preferably, a guide groove communicating with the sliding cavity is provided on the outer wall of the mounting seat, and the shifting rod is movably arranged in the guide groove;

[0010] One end of the shifting rod is connected to the locking pin, and the other end passes through the guide groove and extends to the outside of the mounting seat.

[0011] Preferably, a positioning groove is provided at one end of the locking pin facing the other locking pin, and the elastic member is a spring, with both ends of the spring embedded in the positioning groove.

[0012] Preferably, shaft seats are provided at upper and lower ends of the valve plate seat, the shaft seats are connected to a rotating shaft, and the rotating shaft is rotatably connected to the valve body.

[0013] Compared with the prior art, the utility model has slots arranged at intervals on the valve plate seat, the rear end face of the valve plate fits with the front end face of the valve plate seat, the valve plate has connecting plugs arranged at intervals, the connecting plugs pass through the slots and extend to the rear side of the valve plate seat, and the rear side of the valve plate seat is fixedly provided with a locking assembly for connecting and locking with the connecting plugs. The utility model can quickly lock the valve plate on the valve seat through the locking assembly, avoiding the inconvenience of operation and the problem of thread slippage and inability to disassemble in the later stage caused by bolt connection, optimizing the assembly and disassembly process, and facilitating manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is one of the three-dimensional structural schematic diagrams of the utility model;

[0015] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 3 This is one of the cross-sectional structural schematic diagrams of the utility model;

[0017] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0018] Figure 5 This is the second schematic diagram of the cross-sectional structure of the present utility model. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] See also Figure 1-Figure 5 A butterfly valve structure with a quickly replaceable valve plate comprises a valve body 10, wherein a valve plate seat 20 and a valve plate 30 are arranged in the valve body 10, slots 210 are arranged on the valve plate seat 20 at intervals, a rear end face of the valve plate 30 is fitted with a front end face of the valve plate seat 20, connecting blocks 310 are arranged on the valve plate 30 at intervals, the connecting blocks 310 extend through the slots 210 to the rear side of the valve plate seat 20, and a locking assembly 40 for connecting and locking with the connecting blocks 310 is fixedly arranged on the rear side of the valve plate seat 20.

[0021] Based on the above embodiments, the valve plate can be quickly locked on the valve seat through the locking assembly, avoiding the inconvenience of bolt connection and the problem of thread slippage and inability to disassemble in the later stage, optimizing the assembly and disassembly process, and facilitating manual operation.

[0022] See also Figure 4 , a locking socket 320 is provided on the connecting plug block 310; the locking assembly 40 includes a mounting seat 410 arranged between the two connecting plug blocks 310, a through sliding cavity 420 is provided on the mounting seat 410, two locking pins 430 are arranged in the sliding cavity 420 at intervals, an elastic member 460 is provided between the two locking pins 430, and the elastic member 460 applies a force to the two locking pins 430 so that the locking pins 430 are inserted into the locking socket 320; a lever 450 is connected to the locking pin 430.

[0023] During assembly, the two locking pins 430 are relatively close to each other and the elastic member 460 is compressed by manually moving the two levers 450. At this time, the valve plate 30 and the valve plate seat 20 can be docked and installed. During docking and installation, the connecting block 310 extends through the slot 210 to the rear side of the valve plate seat 20 until the rear end surface of the valve plate 30 is in contact with the front end surface of the valve plate seat 20. At this time, the locking socket 320 of the connecting block 310 corresponds to the locking pin 430, and the two levers 450 can be separated. When the elastic member 460 releases the stored force, it can drive the two locking pins 430 to be inserted into the locking socket 320 to complete the locking of the valve plate 30.

[0024] See also Figure 4The outer wall of the mounting seat 410 is provided with a guide groove 440 communicating with the sliding cavity 420, and the lever 450 is movably arranged in the guide groove 440; one end of the lever 450 is connected to the locking pin 430, and the other end passes through the guide groove 440 and extends to the outside of the mounting seat 410. In this embodiment, the guide groove 440 is used to restrict the movement of the lever 450 and the locking pin 430.

[0025] In the present invention, a positioning groove 431 is provided at one end of the locking pin 430 facing the other locking pin 430 , and the elastic member 460 is a spring, and both ends of the spring are embedded in the positioning groove 431 .

[0026] In the utility model, shaft seats 220 are provided at the upper and lower ends of the valve plate seat 20 , and the shaft seat 220 is connected to a rotating shaft 230 , and the rotating shaft 230 is rotatably connected to the valve body 10 .

[0027] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0028] 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.

[0029] 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 butterfly valve structure with a quickly replaceable valve plate, comprising a valve body (10), wherein a valve plate seat (20) and a valve plate (30) are arranged in the valve body (10), characterized in that: The valve plate seat (20) is provided with slots (210) at intervals, the rear end face of the valve plate (30) is fitted with the front end face of the valve plate seat (20), the valve plate (30) is provided with connecting blocks (310) at intervals, the connecting blocks (310) extend through the slots (210) to the rear side of the valve plate seat (20), and the rear side of the valve plate seat (20) is fixedly provided with a locking assembly (40) for connecting and locking with the connecting blocks (310).

2. A butterfly valve structure with a valve plate that can be quickly replaced according to claim 1, characterized in that: The connecting plug block (310) is provided with a locking plug hole (320); The locking assembly (40) comprises a mounting seat (410) arranged between two connecting plug blocks (310), the mounting seat (410) being provided with a through sliding cavity (420), two locking pins (430) being arranged in the sliding cavity (420) at intervals, an elastic member (460) being arranged between the two locking pins (430), the elastic member (460) applying a force to the two locking pins (430) so that the locking pins (430) are inserted into the locking socket (320); The locking latch (430) is connected to a lever (450).

3. A butterfly valve structure with a valve plate that can be quickly replaced according to claim 2, characterized in that: A guide groove (440) communicating with the sliding cavity (420) is provided on the outer wall of the mounting seat (410), and the shifting rod (450) is movably disposed in the guide groove (440); One end of the shifting rod (450) is connected to the locking pin (430), and the other end passes through the guide groove (440) and extends to the outside of the mounting seat (410).

4. A butterfly valve structure with a valve plate that can be quickly replaced according to claim 2, characterized in that: A positioning groove (431) is provided at one end of the locking pin (430) facing the other locking pin (430), and the elastic member (460) is a spring, with both ends of the spring embedded in the positioning groove (431).

5. The butterfly valve structure with a quickly replaceable valve plate according to claim 1, characterized in that: The valve plate seat (20) is provided with shaft seats (220) at the upper and lower ends, the shaft seat (220) is connected to a rotating shaft (230), and the rotating shaft (230) is rotatably connected to the valve body (10).

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