Valve structure with valve element convenient to replace

Abstract

The utility model discloses a valve structure with a valve element convenient to replace, and relates to the technical field of valves. The top end of the valve body is fixedly connected with a first flange plate, the top end of the first flange plate is provided with a second flange plate, the first flange plate and the second flange plate are provided with a first installation assembly, the second flange plate is provided with a lead screw, the top end of the lead screw is provided with a hand wheel, and the lead screw is connected with the hand wheel through a second installation assembly; the first mounting assembly comprises rotating blocks distributed in a central symmetry mode, the rotating blocks are rotationally connected to the side, close to the first flange plate, of the side face of the top of the valve body, threaded rods are rotationally connected to the top ends of the rotating blocks, and the rotating blocks distributed in a central symmetry mode are arranged on the side faces of the first flange plate and the second flange plate. And by arranging the first mounting assembly, the valve element can be conveniently detached from the valve body, by arranging the second mounting assembly, the hand wheel and the lead screw can be conveniently detached, and the replacement efficiency of the valve element is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely is a valve structure that valve core is replaced conveniently. BACKGROUND

[0002] Valve is a kind of device for controlling fluid (such as liquid, gas or steam) in system flow, pressure or direction. It is opened, closed or regulated fluid passage by rotation, sliding or lifting etc. Operation, ensure that fluid flows in predetermined direction, and stop flow when necessary. Valve is widely used in industry, building, water conservancy etc. Many fields, is indispensable important component in pipeline system, ensures the safe, efficient operation of system.

[0003] When replacing valve core to valve, usually need to be detached from valve core and hand wheel is detached from valve core, since valve core and valve, hand wheel and valve core are installed and fixed by bolt, installation and disassembly need to use professional tool, so that operation is tedious, for the above problems, the inventor proposes a kind to be replaced conveniently valve core valve structure for solving the above problems. UTILITY MODEL CONTENT

[0004] To solve the problem that valve core is inconvenient to replace;The utility model aims at providing a kind to be replaced conveniently valve core valve structure.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme: a kind to be replaced conveniently valve core valve structure, including valve body, the top of the valve body is fixedly connected with flange plate one, the top of the flange plate one is provided with flange plate two, the flange plate one and flange plate two are provided with installation assembly one, the flange plate two is provided with installation and is provided with screw rod, the top of the screw rod is provided with hand wheel, the screw rod and hand wheel are connected through installation assembly two between;

[0006] The installation assembly one includes rotation block that is centrally symmetric distribution, the rotation block rotation is connected in the side of the side of the top of valve body near flange plate one, the top of the rotation block is rotationally connected with threaded rod, the side of the flange plate one and flange plate two is all provided with rotation block that is centrally symmetric distribution, the threaded rod is movably clamped in corresponding two limit grooves, the top outside of the threaded rod is screw-connected with knob, the bottom surface of the knob and the top surface of flange plate two are in contact.

[0007] Preferably, the mounting assembly two comprises a fixed block fixedly connected at the bottom end of the hand wheel, a sliding groove is formed in the interior of the fixed block, a clamping plate is slidably clamped in the sliding groove, a plug rod is fixedly connected at the bottom end of the clamping plate, a containing groove is formed at the top end of the lead screw, a plug groove is formed at the middle of the bottom end of the inner wall of the containing groove, the plug rod is movably inserted into the plug groove, positioning grooves are formed at the two sides of the top end of the lead screw, limiting blocks are fixedly connected at the two sides of the fixed block, springs are arranged between the top surface of the clamping plate and the top surface of the inner wall of the sliding groove, an unlocking groove is formed at the side of the fixed block close to the sliding groove, a lever is fixedly connected at one side of the clamping plate, the lever is slidably clamped in the unlocking groove, and one end of the lever away from the clamping plate extends to the outside of the fixed block.

[0008] Preferably, the bottom end of the flange plate two is fixedly connected with an annular plate, the top end of the flange plate one is provided with an annular groove, and a sealing ring is arranged in the annular groove.

[0009] Preferably, the line between the two positioning grooves is vertically distributed with the horizontal axis of the plug groove.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1. By rotating the knob, the ground surface of the knob is no longer tightly attached to the top surface of the flange plate two, thereby releasing the restriction on the rotation of the threaded rod away from the flange plate two, and then the threaded rod is rotated out of the interior of the limiting groove, thereby releasing the restriction on the separation of the flange plate two and the flange plate one, facilitating the disassembly of the valve core from the valve body.

[0012] 2. By pulling the lever upward along the interior of the unlocking groove, the clamping plate is driven to move to one side of the spring and compress the spring, the plug rod is pulled out of the interior of the plug groove, the restriction on the rotation of the hand wheel is released, the hand wheel is rotated to make the positioning grooves correspond to the positions of the limiting blocks, thereby releasing the restriction on the vertical movement of the hand wheel, facilitating the disassembly of the hand wheel and the lead screw. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] Figure 2This is a partial cross-sectional view of the present invention.

[0016] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle.

[0017] Figure 4 This utility model Figure 2 Enlarged view of point B in the middle.

[0018] Figure 5 This is a schematic diagram of the partially disassembled structure of this utility model.

[0019] In the diagram: 1. Valve body; 2. Flange 1; 3. Flange 2; 4. Mounting assembly 1; 41. Rotating block; 42. Threaded rod; 43. Limiting groove; 44. Knob; 5. Lead screw; 6. Handwheel; 7. Mounting assembly 2; 71. Fixing block; 72. Slide groove; 73. Snap-fit ​​plate; 74. Insert rod; 75. Slot; 76. Receiving groove; 77. Positioning groove; 78. Limiting block; 79. Spring; 8. Unlocking groove; 9. Toggle lever; 10. Annular plate; 11. Annular groove; 12. Sealing ring. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Figures 1-5 As shown, this utility model provides a valve structure that facilitates valve core replacement, including a valve body 1, a flange 2 fixedly connected to the top of the valve body 1, a flange 3 provided at the top of the flange 2, an installation assembly 4 provided on the flange 2 and the flange 3, a screw 5 installed on the flange 3, a handwheel 6 provided at the top of the screw 5, and the screw 5 and the handwheel 6 connected by the installation assembly 7.

[0022] Mounting component 4 includes centrally symmetrically distributed rotating blocks 41. The rotating blocks 41 are rotatably connected to the side of the top of the valve body 1 near the flange 2. The top of each rotating block 41 is rotatably connected to a threaded rod 42. Both flange 2 and flange 3 have centrally symmetrically distributed rotating blocks 41 on their sides. The threaded rod 42 is movably engaged in two corresponding limiting grooves 43. The top of the threaded rod 42 is threadedly connected to a knob 44. The bottom surface of the knob 44 is in contact with the top surface of flange 3.

[0023] The mounting assembly two 7 comprises a fixed block 71 fixedly connected to the bottom end of the hand wheel 6, a sliding groove 72 is formed in the inside of the fixed block 71, a clamping plate 73 is slidably clamped in the sliding groove 72, a plug rod 74 is fixedly connected to the bottom end of the clamping plate 73, a containing groove 76 is formed in the top end of the lead screw 5, a plug groove 75 is formed in the middle of the bottom end of the inner wall of the containing groove 76, the plug rod 74 is movably inserted into the plug groove 75, and a positioning groove 77 is formed in the two sides of the top end of the lead screw 5. The two sides of the fixed block 71 are fixedly connected with limiting blocks 78.

[0024] By adopting the above technical scheme, when the hand wheel 6 and the lead screw 5 are installed, the positioning groove 77 corresponds to the position of the limiting block 78, and the limiting block 78 is inserted into the positioning groove 77. Since the position of the plug rod 74 does not correspond to the plug groove 75, the plug rod 74 is pushed to move to one side of the spring 79 and compresses the spring 79. Then, the hand wheel 6 is horizontally rotated to drive the limiting block 78 to rotate, so that the position of the limiting block 78 no longer corresponds to the positioning groove 77. Thus, the vertical movement of the hand wheel 6 is limited. When the hand wheel 6 is rotated to correspond to the position of the plug rod 74 and the plug groove 75, the elastic force of the spring 79 is used to push the plug rod 74 to move to one side of the plug groove 75, so that the plug rod 74 is inserted into the inside of the plug groove 75. Thus, the rotation of the hand wheel 6 is limited, and the installation of the hand wheel 6 is completed.

[0025] The spring 79 is arranged between the top surface of the clamping plate 73 and the top surface of the inner wall of the sliding groove 72.

[0026] By adopting the above technical scheme, the spring 79 is arranged to provide pre-tightening force to the clamping plate 73, so that the plug rod 74 is more tightly inserted.

[0027] An unlocking groove 8 is formed in the side of the fixed block 71 close to the sliding groove 72, and a push rod 9 is fixedly connected to one side of the clamping plate 73 and slidably clamped in the unlocking groove 8.

[0028] By adopting the above technical scheme, the cooperation between the unlocking groove 8 and the push rod 9 facilitates the unlocking operation.

[0029] The bottom end of the flange plate two 3 is fixedly connected with an annular plate 10, the top end of the flange plate one 2 is provided with an annular groove 11, the inside of the annular groove 11 is provided with a sealing ring 12, and the bottom end of the annular plate 10 is movably inserted into the annular groove 11 and abuts against the sealing ring 12.

[0030] By adopting the above technical scheme, when the flange plate one 2 and the flange plate two 3 are butt-jointed, the bottom end of the annular plate 10 is inserted into the inside of the annular groove 11 and abuts against the sealing ring 12, so that the contact surface of the flange plate one 2 and the flange plate two 3 is sealed.

[0031] The line between the two positioning grooves 77 is perpendicular to the horizontal axis of the plug groove 75.

[0032] The end of the pushing rod 9 away from the clamping plate 73 extends to the outside of the fixed block 71.

[0033] By adopting the above technical scheme, the end of the pushing rod 9 away from the clamping plate 73 extends to the outside of the fixed block 71, so that the unlocking operation can be better completed.

[0034] Working principle: when the valve core is replaced, the knob 44 is rotated, so that the ground of the knob 44 is no longer tightly combined with the top surface of the flange plate two 3, thereby releasing the restriction on the rotation of the threaded rod 42 away from the flange plate two 3, and then the threaded rod 42 is rotated out of the inside of the limiting groove 43, thereby releasing the restriction on the separation of the flange plate two 3 and the flange plate one 2, and the valve core is conveniently pulled out of the inside of the valve body 1.

[0035] When the hand wheel 6 and the lead screw 5 are disassembled, the pushing rod 9 is pushed upward along the inside of the unlocking slot 8, the clamping plate 73 is driven to move to one side of the spring 79, the spring 79 is compressed, the inserting rod 74 is pulled out of the inside of the inserting slot 75, the restriction on the rotation of the hand wheel 6 is released, then the hand wheel 6 is rotated to make the position of the positioning slot 77 correspond to the position of the limiting block 78, thereby releasing the restriction on the vertical movement of the hand wheel 6, and the hand wheel 6 and the lead screw 5 are conveniently disassembled.

[0036] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A valve structure for easy replacement of valve core, comprising a valve body (1), characterized in that: The top of the valve body (1) is fixedly connected to a flange one (2), the top of the flange one (2) is provided with a flange two (3), the flange one (2) and the flange two (3) are provided with an installation component one (4), the flange two (3) is provided with a screw rod (5), the top of the screw rod (5) is provided with a handwheel (6), and the screw rod (5) and the handwheel (6) are connected by the installation component two (7); The installation assembly 1 (4) includes a centrally symmetrically distributed rotating block (41). The rotating block (41) is rotatably connected to the side of the top of the valve body (1) near the flange 1 (2). The top of each rotating block (41) is rotatably connected to a threaded rod (42). The sides of the flange 1 (2) and the flange 2 (3) are provided with centrally symmetrically distributed rotating blocks (41). The threaded rod (42) is movably engaged in two corresponding limiting grooves (43). The top of the threaded rod (42) is threadedly connected to a knob (44). The bottom surface of the knob (44) is in contact with the top surface of the flange 2 (3).

2. The valve structure for easy replacement of the valve core as described in claim 1, characterized in that, The second installation component (7) includes a fixing block (71), which is fixedly connected to the bottom end of the handwheel (6). The fixing block (71) has a sliding groove (72) inside, and a snap-fit ​​plate (73) is slidably engaged in the sliding groove (72). A plug rod (74) is fixedly connected to the bottom end of the snap-fit ​​plate (73). A receiving groove (76) is opened at the top end of the lead screw (5). A slot (75) is opened in the middle of the bottom end of the inner wall of the receiving groove (76). The plug rod (74) is movably inserted into the slot (75). Positioning grooves (77) are opened on both sides of the top end of the lead screw (5). Limiting blocks (78) are fixedly connected to both sides of the fixing block (71).

3. The valve structure for easy replacement of the valve core as described in claim 2, characterized in that, A spring (79) is provided between the top surface of the snap-fit ​​plate (73) and the top surface of the inner wall of the slide groove (72).

4. The valve structure for easy replacement of the valve core as described in claim 2, characterized in that, The fixing block (71) has an unlocking groove (8) on the side near the slide groove (72), and a lever (9) is fixedly connected to one side of the snap-fit ​​plate (73). The lever (9) is slidably snapped into the unlocking groove (8).

5. The valve structure for easy replacement of the valve core as described in claim 1, characterized in that, The bottom end of the second flange (3) is fixedly connected to an annular plate (10), and the top end of the first flange (2) is provided with an annular groove (11). A sealing ring (12) is provided inside the annular groove (11), and the bottom end of the annular plate (10) is movably inserted into the annular groove (11) and abuts against the sealing ring (12).

6. The valve structure for easy replacement of the valve core as described in claim 2, characterized in that, The line connecting the two positioning slots (77) is perpendicular to the horizontal axis of the slot (75).

7. The valve structure for easy replacement of the valve core as described in claim 4, characterized in that, The end of the lever (9) away from the snap plate (73) extends to the outside of the fixing block (71).

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