CN110822196A

CN110822196A - Integral type butterfly valve check valve loose joint structure

Info

Publication number: CN110822196A
Application number: CN201910709523.6A
Authority: CN
Inventors: 项秀莲; 陈永裁; 陈永煌
Original assignee: Drda (shanghai) Fluid Equipment Co Ltd
Current assignee: Drda (shanghai) Fluid Equipment Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-02-21
Anticipated expiration: 2039-10-11
Also published as: CN110822196B

Abstract

The invention discloses an integral butterfly valve check valve loose joint structure, and particularly relates to the field of butterfly valve check valves. According to the invention, by arranging the outer ring, the inner ring, the clamping column and the first clamping groove, when the check valve is connected with the butt joint pipe, people can insert the clamping ring at one end of the butt joint pipe into the inner ring, then rotate the outer ring to enable the second magnetic block on the inner wall of the outer ring to correspond to the second magnetic block at one end of the limiting rod, and enable one end of the limiting rod to be inserted into the limiting groove of the clamping ring, so that the clamping ring is fixed, other auxiliary tools are not needed in the whole installation and disassembly process, the check valve loose joint structure is convenient to install and disassemble, and the check valve loose joint structure is practical.

Description

Integral type butterfly valve check valve loose joint structure

Technical Field

The invention relates to the field of butterfly valve check valves, in particular to an integral type butterfly valve check valve loose joint structure.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, has quite various varieties and specifications, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

Patent application publication No. CN 109163123A's patent discloses an integral type butterfly valve check valve loose joint structure, it is taut with the steel band through the locking handle, make in the tight embedding spacing groove of stopper, make the eccentric joint on the valve body, realize high-speed joint's purpose, improve the flexibility of being connected between valve and the pipeline, and it is quick to connect, it is consuming time less, can save a large amount of engineering time, the rotatory one end central line that makes the eccentric joint through eccentric joint keeps unanimous can be connected with the central line of valve, guarantee that the pipeline central line that meets when actual construction still can normally be under construction with the central line of valve when the special condition of same straight line, need not to do over again.

However, in practical use, the above technical solutions still have many disadvantages, for example, when the existing check valve loose joint structure is installed and connected, many auxiliary tools are needed, and it is troublesome to install and detach.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide an integral type butterfly valve check valve loose joint structure, by providing an outer ring, an inner ring, a clamping column and a first clamping groove, when the structure is connected to a butt joint pipe, a person can insert a clamping ring at one end of the butt joint pipe into the inner ring, then rotate the outer ring, so that a second magnetic block at the inner wall of the outer ring corresponds to a second magnetic block at one end of a limiting rod, and one end of the limiting rod is inserted into a limiting groove of the clamping ring, thereby fixing the clamping ring.

In order to achieve the purpose, the invention provides the following technical scheme: the loose joint structure of the integrated butterfly valve check valve comprises a guide pipe, wherein an outer ring is arranged at one end of the guide pipe, a baffle ring is fixedly arranged on the outer surface of the guide pipe, and a mounting plate is fixedly arranged on one side, located on the baffle ring, of the outer surface of the guide pipe;

a butt joint pipe is arranged on one side of an outer ring, a clamping ring is fixedly mounted at one end of the butt joint pipe, an inner ring is arranged inside the outer ring, a plurality of limiting rods are arranged inside the inner ring and are arranged in an annular shape, a plurality of second magnetic blocks are fixedly mounted on the inner wall of the outer ring and are arranged in an annular shape, and a plurality of limiting grooves are formed in the outer surface of the clamping ring;

a knob is arranged at the top end of the baffle ring, a clamping block is fixedly mounted at the bottom end of the knob, a second clamping groove is formed in the top end of the baffle ring, a filter screen is arranged in the baffle ring, an inner rod is fixedly mounted at the top end of the filter screen, two sliding blocks are fixedly mounted on two sides of the inner rod, and the two sliding blocks are symmetrically arranged;

the inside one side of pipe is provided with the baffle, the inside center fixed mounting of baffle has the axis, one side fixed mounting of mounting panel has the installation pole, the surface cover of installation pole is equipped with the third spring, the one end fixed mounting of installation pole has the limiting plate, logical groove has been seted up to the inside of mounting panel.

In a preferred embodiment, two guide pillars are fixedly mounted on two sides of the inner portion of the inner ring, the two guide pillars are symmetrically arranged, and a second spring is arranged inside each guide pillar.

In a preferred embodiment, a clamping column is arranged at one end of the second spring inside the guide column, and the clamping column is movably connected with the guide column through the second spring.

In a preferred embodiment, two first clamping grooves are formed in two sides of the inner portion of the outer ring, and one end of the clamping column is the same as the first clamping groove in size.

In a preferred embodiment, one end of the limiting rod has the same size as the limiting groove, a first spring is sleeved on the outer surface of the limiting rod, and a first magnetic block is fixedly mounted at one end of the limiting rod.

In a preferred embodiment, the limiting rod is movably connected with the inner ring through a first spring, one end of the limiting rod is fixedly provided with the first spring, and the outer ring is movably connected with the inner ring.

In a preferred embodiment, the knob is movably connected with a stop ring, and the stop ring is slidably connected with the inner rod through a sliding block.

In a preferred embodiment, the baffle ring is movably connected with the filter screen through a knob, and the fixture block and the second clamping groove have the same specification and size.

In a preferred embodiment, one end of the third spring is fixedly connected with a baffle plate, and the baffle plate is movably connected with the mounting rod through a central shaft.

In a preferred embodiment, the baffle is movably connected with the conduit, and the through groove is annular in shape.

The invention has the technical effects and advantages that:

1. according to the invention, by arranging the outer ring, the inner ring, the clamping column and the first clamping groove, when the check valve is connected with the butt joint pipe, people can insert the clamping ring at one end of the butt joint pipe into the inner ring, then rotate the outer ring to enable the second magnetic block on the inner wall of the outer ring to correspond to the second magnetic block at one end of the limiting rod, and enable one end of the limiting rod to be inserted into the limiting groove of the clamping ring, so that the clamping ring is fixed, other auxiliary tools are not needed in the whole installation and disassembly process, the check valve loose joint structure is convenient to install and disassemble by people, and the check valve loose joint structure is more;

2. according to the invention, the filter screen, the knob, the inner rod and the second clamping groove are arranged, when the water purifier is used, impurities in conveyed water can be blocked by the filter screen, the water quality of the used water is improved, after the water purifier is used for a period of time, when the impurities on the filter screen need to be cleaned, people can rotate the knob, the filter screen and the pipe opening of the guide pipe are vertically arranged by driving the filter to rotate through the knob, then a water source is connected, when clean water passes through the baffle ring, two sides of the filter screen can be washed, and people can clean the filter screen conveniently;

3. according to the invention, the mounting rod, the mounting plate, the guide pillar and the third spring are arranged, when clean water flows into the guide pipe, water flow can impact the baffle at one end of the guide pipe, and the baffle can move to one side along the mounting rod through the middle shaft after being impacted by the water flow, so that the third spring on the mounting rod is extruded to one side, and partial water pressure of the water flow is reduced, thus the pressure of the water pressure on a water pipe is reduced, and the water pipe is prevented from being lost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic structural view of the outer ring and the snap ring in a disassembled state.

FIG. 3 is a schematic structural diagram of an installation state of an outer ring and a snap ring according to the present invention.

Fig. 4 is an enlarged view of fig. 3a according to the present invention.

Fig. 5 is a side view of the baffle ring of the present invention.

Fig. 6 is a top view of the baffle ring of the present invention.

Fig. 7 is a schematic structural diagram of the filter screen of the present invention.

Fig. 8 is a side view of a catheter of the present invention.

Fig. 9 is a schematic view of the internal structure of the catheter of the present invention.

The reference signs are: the device comprises a guide pipe 1, an outer ring 2, a butt joint pipe 21, a snap ring 22, a limiting groove 221, an inner ring 23, a limiting rod 24, a first magnetic block 241, a first spring 242, a second magnetic block 25, a first clamping groove 26, a guide pillar 27, a second spring 271, a clamping pillar 272, a blocking ring 3, a knob 31, a clamping block 32, a second clamping groove 33, a filter screen 34, an inner rod 35, a sliding block 36, a mounting plate 4, a baffle plate 41, a middle shaft 42, a mounting rod 43, a third spring 44, a limiting plate 45 and a through groove 46.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The integral type butterfly valve check valve loose joint structure shown in fig. 1-4 comprises a guide pipe 1, an outer ring 2 is arranged at one end of the guide pipe 1, a baffle ring 3 is fixedly arranged on the outer surface of the guide pipe 1, a mounting plate 4 is fixedly arranged on one side of the baffle ring 3 on the outer surface of the guide pipe 1, a butt joint pipe 21 is arranged on one side of the outer ring 2, a snap ring 22 is fixedly arranged at one end of the butt joint pipe 21, an inner ring 23 is arranged inside the outer ring 2, a plurality of limiting rods 24 are arranged inside the inner ring 23, the plurality of limiting rods 24 are arranged in an annular shape, a plurality of second magnetic blocks 25 are fixedly arranged on the inner wall of the outer ring 2, a plurality of second magnetic blocks 25 are arranged in an annular shape, a plurality of limiting grooves 221 are formed in the outer surface of the snap ring 22, two guide posts 27 are fixedly arranged on two sides inside the inner ring, the inner part of the guide post 27 is provided with a second spring 271, one end of the inner part of the guide post 27, which is located at the second spring 271, is provided with a clamping column 272, the clamping column 272 and the guide post 27 are movably connected through the second spring 271, two first clamping grooves 26 are formed in two sides of the inner part of the outer ring 2, one end of the clamping column 272 has the same specification and size as the first clamping grooves 26, one end of the limit rod 24 has the same specification and size as the limit groove 221, the outer surface of the limit rod 24 is sleeved with a first spring 242, one end of the limit rod 24 is fixedly provided with a first magnetic block 241, the limit rod 24 is movably connected with the inner ring 23 through the first spring 242, one end of the limit rod 24 is fixedly provided with the first spring 242, and the outer ring 2 is movably connected with the inner.

The implementation mode is specifically as follows: when the butt joint pipe 21 is connected, a person can insert the snap ring 22 at one end of the butt joint pipe 21 into the inner ring 23, so that the limiting groove 221 at the outer side of the snap ring 22 corresponds to one end of the limiting rod 24 in the inner ring 23, then the outer ring 2 is rotated, so that the second magnetic block 25 at the inner wall of the outer ring 2 corresponds to the second magnetic block 25 at one end of the limiting rod 24, the first magnetic block 241 and the second magnetic block 25 are in the same-level opposition, the generated repulsion force pushes the limiting rod 24 inwards, so that one end of the limiting rod 24 is inserted into the limiting groove 221 of the snap ring 22, thereby fixing the snap ring 22, and at this time, the clamping columns 272 in the guide column 27 are inserted into the first clamping grooves 26 at two sides of the outer ring 2 to fix the outer ring 2, thereby avoiding the movement of the outer ring 2 in use, increasing the stability of the movable joint structure in use, when the check valve needs to be disassembled, the person needs to push the clamping columns 272 into the guide column 27, then, the outer ring 2 is rotated to stagger the positions of the first magnetic block 241 and the second magnetic block 25, at this time, the first spring 242 pushes the limiting rod 24 outwards, one end of the limiting rod 24 is pulled out from the limiting groove 221 of the clamping ring 22 to release the limitation on the clamping ring 22, and then the butt joint pipe 21 is pulled out.

According to the loose joint structure of the integrated butterfly valve check valve shown in fig. 5-7, the top end of the baffle ring 3 is provided with a knob 31, the bottom end of the knob 31 is fixedly provided with a clamping block 32, the top end of the baffle ring 3 is provided with a second clamping groove 33, a filter screen 34 is arranged inside the baffle ring 3, the top end of the filter screen 34 is fixedly provided with an inner rod 35, two sliding blocks 36 are fixedly arranged on two sides of the inner rod 35, the two sliding blocks 36 are symmetrically arranged, the knob 31 is movably connected with the baffle ring 3, the baffle ring 3 is slidably connected with the inner rod 35 through the sliding blocks 36, the baffle ring 3 is movably connected with the filter screen 34 through the knob 31, and the clamping block 32 and the second clamping groove 33 have the same specification and size;

the implementation mode is specifically as follows: when in use, the filter screen 34 can block impurities in the conveying water, the water quality of the used water is improved, after the filter screen is used for a period of time, when the impurities on the filter screen 34 need to be cleaned, people can pull the knob 31 upwards along the slide block 36 on the inner rod 35, so that the clamping block 32 at the bottom end of the knob 31 is separated from the second clamping groove 33 of the baffle ring 3, then, the knob 31 is rotated by people, the filter screen 34 is driven to rotate by the knob 31, so that the filter screen 34 is vertically arranged with the pipe orifice of the conduit 1, then the water source is connected, when the clean water passes through the baffle ring 3, the two sides of the filter screen 34 are washed, the filter screen 34 is convenient to clean, after the cleaning is finished, the filter screen 34 is rotated back to the original position through the knob 31, then, the knob 31 is pushed downwards along the sliding block 36, the clamping block 32 is embedded into the second clamping groove 33, the knob 31 is fixed, and the filter screen 34 is prevented from rotating in the using process.

According to the loose joint structure of the integrated butterfly valve check valve shown in fig. 8-9, a baffle plate 41 is arranged on one side inside the guide pipe 1, a center shaft 42 is fixedly installed at the center inside the baffle plate 41, an installation rod 43 is fixedly installed on one side of the installation plate 4, a third spring 44 is sleeved on the outer surface of the installation rod 43, a limiting plate 45 is fixedly installed at one end of the installation rod 43, a through groove 46 is formed inside the installation plate 4, one end of the third spring 44 is fixedly connected with the baffle plate 41, the baffle plate 41 is movably connected with the installation rod 43 through the center shaft 42, the baffle plate 41 is movably connected with the guide pipe 1, and the through groove 46 is annular;

the implementation mode is specifically as follows: when clear water flowed into pipe 1, rivers can strike baffle 41 of pipe 1 one end, baffle 41 receives the impact back of rivers, can remove to one side along installation pole 43 through axis 42, thereby to the extrusion of third spring 44 on the installation pole 43 to one side, reduce partly water pressure of rivers, thereby reduce the pressure that water pressure led to the fact the water pipe, avoid the water pipe to receive the loss, increase the life of water pipe, when rivers stop the back, third spring 44 will push back baffle 41 along installation pole 43 normal position, installation pole 43 one end is provided with limiting plate 45, can avoid baffle 41 to break away from installation pole 43.

The working principle of the invention is as follows:

referring to the description of the drawings 1-4, when connecting with the docking pipe 21, a person can insert the snap ring 22 at one end of the docking pipe 21 into the inner ring 23, then rotate the outer ring 2, make the second magnetic block 25 on the inner wall of the outer ring 2 correspond to the second magnetic block 25 at one end of the limiting rod 24, make one end of the limiting rod 24 insert into the limiting groove 221 of the snap ring 22, thereby fixing the snap ring 22, and at this time, the clamping column 272 in the guide pillar 27 will be inserted into the first clamping grooves 26 at both sides of the outer ring 2, so as to fix the outer ring 2, when the check valve needs to be disassembled, the person needs to push the clamping column 272 into the guide pillar 27, then rotate the outer ring 2, at this time, the first spring 242 will push out the limiting rod 24, and pull out one end of the limiting rod 24 from the limiting groove 221 of the snap ring 22;

referring to the description and the accompanying drawings of fig. 5-7, in use, the filter screen 34 blocks impurities in the conveying water, after the filter screen 34 is used for a period of time, when the impurities on the filter screen 34 need to be cleaned, people can pull the knob 31 upwards along the slide block 36 on the inner rod 35, then rotate the knob 31 to enable the filter screen 34 to be vertically arranged with the pipe orifice of the catheter 1, then connect a water source, when clean water passes through the baffle ring 3, wash the two sides of the filter screen 34, after cleaning is finished, the filter screen 34 is rotated back to the original position through the knob 31, then push the knob 31 downwards along the slide block 36, and embed the clamping block 32 into the second clamping groove 33;

referring to the accompanying drawings 8-9 of the specification, when clean water flows into the conduit 1, water flow impacts the baffle 41 at one end of the conduit 1, after the baffle 41 is impacted by the water flow, the baffle moves to one side along the mounting rod 43 through the central shaft 42, a part of water pressure of the water flow is reduced, and accordingly pressure of the water pressure on a water pipe is reduced, after the water flow stops, the third spring 44 pushes the baffle 41 back to the original position along the mounting rod 43, and a limiting plate 45 is arranged at one end of the mounting rod 43, so that the baffle 41 can be prevented from being separated from the mounting rod 43.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides an integral type butterfly valve check valve loose joint structure, includes pipe (1), its characterized in that: an outer ring (2) is arranged at one end of the guide pipe (1), a baffle ring (3) is fixedly arranged on the outer surface of the guide pipe (1), and a mounting plate (4) is fixedly arranged on one side, located on the baffle ring (3), of the outer surface of the guide pipe (1);

a butt joint pipe (21) is arranged on one side of an outer ring (2), a clamping ring (22) is fixedly mounted at one end of the butt joint pipe (21), an inner ring (23) is arranged inside the outer ring (2), a plurality of limiting rods (24) are arranged inside the inner ring (23), the limiting rods (24) are arranged in an annular shape, a plurality of second magnetic blocks (25) are fixedly mounted on the inner wall of the outer ring (2), the second magnetic blocks (25) are arranged in an annular shape, and a plurality of limiting grooves (221) are formed in the outer surface of the clamping ring (22);

a knob (31) is arranged at the top end of the baffle ring (3), a clamping block (32) is fixedly arranged at the bottom end of the knob (31), a second clamping groove (33) is formed in the top end of the baffle ring (3), a filter screen (34) is arranged inside the baffle ring (3), an inner rod (35) is fixedly arranged at the top end of the filter screen (34), two sliding blocks (36) are fixedly arranged on two sides of the inner rod (35), and the two sliding blocks (36) are symmetrically arranged;

inside one side of pipe (1) is provided with baffle (41), the inside center fixed mounting of baffle (41) has axis (42), one side fixed mounting of mounting panel (4) has installation pole (43), the surface cover of installation pole (43) is equipped with third spring (44), the one end fixed mounting of installation pole (43) has limiting plate (45), logical groove (46) have been seted up to the inside of mounting panel (4).

2. The integral type butterfly valve check valve loose joint structure of claim 1, characterized in that: two guide posts (27) are fixedly mounted on two sides of the inner portion of the inner ring (23), the two guide posts (27) are symmetrically arranged, and a second spring (271) is arranged inside the guide posts (27).

3. The integral type butterfly valve check valve loose joint structure of claim 2, characterized in that: a clamping column (272) is arranged at one end, located on the second spring (271), of the inner portion of the guide column (27), and the clamping column (272) is movably connected with the guide column (27) through the second spring (271).

4. The integral type butterfly valve check valve loose joint structure of claim 3, characterized in that: two first clamping grooves (26) are formed in two sides of the inner portion of the outer ring (2), and one end of each clamping column (272) is identical to the first clamping groove (26) in specification and size.

5. The integral type butterfly valve check valve loose joint structure of claim 1, characterized in that: the one end of gag lever post (24) is the same with the specification size of spacing groove (221), the surface cover of gag lever post (24) is equipped with first spring (242), the one end fixed mounting of gag lever post (24) has first magnetic path (241).

6. The integral type butterfly valve check valve loose joint structure of claim 5, characterized in that: gag lever post (24) are through first spring (242) and inner ring (23) swing joint, the one end fixed mounting of gag lever post (24) has first spring (242), outer ring (2) and inner ring (23) swing joint.

7. The integral type butterfly valve check valve loose joint structure of claim 1, characterized in that: the knob (31) is movably connected with the baffle ring (3), and the baffle ring (3) is connected with the inner rod (35) in a sliding mode through the sliding block (36).

8. The integral type butterfly valve check valve loose joint structure of claim 1, characterized in that: the baffle ring (3) is movably connected with the filter screen (34) through a knob (31), and the fixture block (32) is the same as the second fixture groove (33) in size.

9. The integral type butterfly valve check valve loose joint structure of claim 1, characterized in that: one end of the third spring (44) is fixedly connected with the baffle plate (41), and the baffle plate (41) is movably connected with the mounting rod (43) through the middle shaft (42).

10. The integral type butterfly valve check valve loose joint structure of claim 1, characterized in that: the baffle (41) is movably connected with the guide pipe (1), and the through groove (46) is annular.