CN218207919U - Valve casting convenient to overhaul - Google Patents

Abstract

The utility model relates to a valve casting field just discloses a valve casting convenient to overhaul, which comprises a valve body, one side fixedly connected with medium exit tube of valve body, the fixed case of opposite side fixedly connected with of valve body, the opposite side fixedly connected with medium of fixed case advances the pipe, the top swing joint of valve body has the valve gap, valve gap top swing joint has the valve rod that extends to the valve gap inside, valve rod bottom fixedly connected with extends to the inside ball valve of valve body, the top fixedly connected with hand wheel of valve rod. This valve casting convenient to overhaul through the block between fixture block and the draw-in groove, realizes the preliminary block dismouting of valve gap and valve body, and the elasticity of usable powerful spring for block or separation between mounting bracket and the mounting groove, and then be convenient for carry out spacing chucking to the block of fixture block, realize quick assembly disassembly between valve gap and the valve body, be convenient for open it and overhaul the operation, improve corresponding maintenance work efficiency.

Description

Valve casting convenient to overhaul

Technical Field

The utility model relates to a valve foundry goods field specifically is a valve foundry goods convenient to overhaul.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, a valve casting is a valve manufactured by adopting a casting process, and along with the increasing development of the pipeline system industry in China, the requirement on the valve is increased, and the requirement on the valve is also increased.

In the chinese utility model patent: a valve casting of grant notice number CN209875976U, including valve body shell and valve rod, the inside of valve body shell is provided with the passageway, and the mid-mounting of passageway has the valve groove, the inside of valve groove is provided with the valve block, and both ends are fixed with the stationary blade around the valve block, the valve rod is located the top of valve block, nut cap in the top of valve body shell, and the inside of nut cap is provided with the connecting block, the inside of connecting block is provided with down the end, and installs the end in the top of lower end, the sealing rubber circle is installed to the top of connecting block, the connecting rod is installed to the top of nut cap in. This valve foundry goods is provided with the valve groove, can effectually avoid the emergence of liquid leakage to can the effectual waste of reduction liquid, make the valve have better sealing performance, be provided with the sealing rubber circle, compensate the clearance between screw cap cover and the connecting block through the sealing rubber circle, thereby avoid the inside liquid leakage of valve, can the sealed effect of effectual improvement valve.

The following problems exist in the prior art:

1. valve casting spare among the prior art, inconvenient maintenance adopts a plurality of bolt and nut to carry out fixed connection between valve gap and the valve body usually, but when it leads to the dismouting, must just need relapse the dismouting just also can make the two part, overhauls, then can lead to overhauing comparatively inconvenient.

2. Among the prior art valve casting, inconvenient filtration, in the medium transportation process, some impurity in the medium can gather in the valve is inside, and then influences the smooth and easy rotation of ball valve, increases its rotational friction power, and then can reduce the life of ball valve.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a valve foundry goods convenient to overhaul possesses the detection of being convenient for and is convenient for filter advantages such as, has solved the problem among the above-mentioned background art.

(II) technical scheme

For the purpose of realizing the aforesaid be convenient for detect and be convenient for filter, the utility model provides a following technical scheme: the utility model provides a valve casting convenient to overhaul, includes the valve body, one side fixedly connected with medium exit tube of valve body, the fixed case of opposite side fixedly connected with of valve body, the inside swing joint of fixed case has filtration, the opposite side fixedly connected with medium of fixed case advances the pipe, the top swing joint of valve body has the valve gap, the inside swing joint of valve body of valve gap bottom has mounting structure, valve gap top swing joint has the valve rod that extends to the valve gap inside, valve rod bottom fixedly connected with extends to the inside ball valve of valve body, the top fixedly connected with hand wheel of valve rod.

The mounting structure includes the draw-in groove, the draw-in groove is seted up around the valve body top, the valve body fixed surface of draw-in groove one side is connected with the install bin, the powerful spring of inside wall fixedly connected with of install bin, powerful spring one side fixedly connected with extends to the outside mounting bracket of install bin, mounting bracket one side fixedly connected with extends to the outside installation pole of install bin, one side fixedly connected with pull ring of installation pole, the fixedly connected with fixture block all around of valve gap bottom, the mounting groove has been seted up to the inside one side of fixture block, through the block between fixture block and the draw-in groove, realizes the preliminary block dismouting of valve gap and valve body, and the elasticity of usable powerful spring for block or separation between mounting bracket and the mounting groove, and then be convenient for carry out spacing chucking to the block of fixture block, realize quick assembly disassembly between valve gap and the valve body, be convenient for open it and overhaul the operation, avoid the tradition to adopt bolt and nut to fix the inconvenience that leads to follow-up maintenance.

Preferably, the shape of pull ring is the ring type, and is welding integrated structure between one side of pull ring and installation pole one side, is convenient for guarantee the inseparable fastness that pull ring and installation pole the two are connected, and the annular pull ring, the staff of being convenient for catches on the pull ring with finger or instrument, drives the action that the installation pole removed.

Preferably, the shape of mounting bracket is the type of falling a mountain, and constitutes the block structure between mounting bracket one side and the inside of mounting groove, improves the fastness of fixture block card to the draw-in groove is inside, guarantees the fastening nature after the installation between valve gap and the valve body.

Preferably, a clamping structure is formed between the clamping block and the inside of the clamping groove, four clamping grooves and four clamping blocks are distributed at equal angles, and the stability of primary clamping between the valve cover and the valve body is improved.

Preferably, the inner bottom wall fixedly connected with magnetism of draw-in groove inhales the seat, and inhales to constitute magnetism between the surface of seat and fixture block and inhale fixed knot and construct, to the fixture block card to carrying out spacing chucking, improve the fastening nature of fixture block card to the draw-in groove is inside.

Preferably, filtration includes the blow off pipe, blow off pipe fixed connection is in one side of fixed bottom of the case portion, and the opposite side on fixed top of the case portion has seted up the reservation groove, the bolt hole has been seted up on the top of fixed case, and fixed top of the case portion swing joint has the closing plate, the both ends swing joint on closing plate top has the fixing bolt with bolt hole matched with, and closing plate bottom fixedly connected with runs through the reservation groove and extends to the inside filter screen of fixed case, through setting up the filter screen, can filter the medium that advances the pipe entering through the medium, avoid the medium remaining at the valve body inner wall, lead to the ball valve pivoted not smooth or because of the great wearing and tearing that lead to of friction, can open the blow off pipe simultaneously, be convenient for discharge the filterable impurity sewage of filter screen, when the filter screen is stopped up seriously and the blow off pipe discharge inconvenience by impurity simultaneously, the cooperation of usable fixing bolt and bolt hole is convenient for take out the filter screen and wash the action to it.

Preferably, the shape of closing plate is the inverted-convex type, and constitutes the block structure between the lower extreme of closing plate and the preformed groove inside, realizes fixed with the inside preliminary block of fixed incasement to the filter screen.

Preferably, the lower extreme fixedly connected with sealing washer on sealing plate surface, and the area of sealing washer cross section equals the area of the inside cross section of reservation groove, improves the leakproofness of sealing plate clamp to the reservation inslot portion, avoids taking place to leak.

Advantageous effects

Compared with the prior art, the utility model provides a valve foundry goods convenient to overhaul possesses following beneficial effect:

1. this valve casting convenient to overhaul, mounting structure through setting up, block through between fixture block and the draw-in groove, realize the preliminary block dismouting of valve gap and valve body, and the elasticity of usable powerful spring, make block or separation between mounting bracket and the mounting groove, when the installation simultaneously, the cooperation is inhaled to the magnetism of seat and fixture block to usable magnetism, further guarantee the fastening nature of fixture block card to the draw-in groove inside, and then be convenient for carry out spacing chucking to the block of fixture block, realize quick assembly disassembly between valve gap and the valve body, be convenient for open it and overhaul the operation, avoid the tradition to adopt the fixed inconvenience that leads to follow-up maintenance of bolt and nut, improve the work efficiency that the staff overhauld to it, thereby the inconvenient problem of overhauing has been solved.

2. This valve foundry goods convenient to overhaul, filtration through setting up, through setting up the filter screen, can advance the medium that the pipe got into to advance through the medium and filter, avoid the medium to remain at the valve body inner wall, lead to ball valve pivoted not smooth or because of the great wearing and tearing that lead to of friction, and then can prolong its life, reduce the maintenance cost, can open the blow off pipe simultaneously, be convenient for discharge the filterable impurity sewage of filter screen, when the filter screen is stopped up seriously by impurity and the blow off pipe discharge is inconvenient simultaneously, the cooperation of usable fixing bolt and bolt hole, be convenient for take out the filter screen and wash the action to it, thereby inconvenient filterable problem has been solved.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of a three-dimensional structure at the mounting rack of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 5 is an enlarged schematic structural diagram of the position B in fig. 2 according to the present invention.

In the figure: 1. a mounting structure; 101. installing a box; 102. a pull ring; 103. mounting a rod; 104. a mounting frame; 105. a card slot; 106. a clamping block; 107. a magnetic attraction seat; 108. mounting grooves; 109. a strong spring; 2. a fixed box; 3. a medium inlet pipe; 4. a filter structure; 401. a blow-off pipe; 402. filtering with a screen; 403. a sealing plate; 404. a seal ring; 405. reserving a groove; 406. bolt holes; 407. fixing the bolt; 5. a ball valve; 6. a valve body; 7. a medium outlet pipe; 8. a valve cover; 9. a valve stem; 10. a handwheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The utility model provides a valve casting's that easy to overhaul preferred embodiment is shown in figures 1 to 5: the utility model provides a valve casting convenient to overhaul, including valve body 6, one side fixedly connected with medium exit tube 7 of valve body 6, the fixed case 2 of opposite side fixedly connected with of valve body 6, the inside swing joint of fixed case 2 has filtration 4, the opposite side fixedly connected with medium of fixed case 2 advances pipe 3, the top swing joint of valve body 6 has valve gap 8, the inside swing joint of valve body 6 of valve gap 8 bottom has mounting structure 1, 8 top swing joints of valve gap have extend to the inside valve rod 9 of valve gap 8, 9 bottom fixedly connected with of valve rod extends to the inside ball valve 5 of valve body 6, the top fixedly connected with hand wheel 10 of valve rod 9.

Mounting structure 1 includes draw-in groove 105, draw-in groove 105 is seted up around 6 tops of valve body, 6 fixed surface of valve body of draw-in groove 105 one side is connected with install bin 101, the inside wall fixedly connected with powerful spring 109 of install bin 101, powerful spring 109 one side fixedly connected with extends to install bin 101 outside mounting bracket 104, mounting bracket 104 one side fixedly connected with extends to install bin 101 outside installation pole 103, one side fixedly connected with pull ring 102 of installation pole 103, fixedly connected with fixture block 106 all around of valve gap 8 bottom, mounting groove 108 has been seted up to the inside one side of fixture block 106, through the block between fixture block 106 and the draw-in groove 105, realize the preliminary block dismouting of valve gap 8 and valve body 6, and the elasticity of usable powerful spring 109, make block or separation between mounting bracket 104 and the mounting groove 108, and then be convenient for carrying out spacing chucking to the block of fixture block 106, realize the quick assembly disassembly between valve gap 8 and the valve body 6, be convenient for open it and overhaul the operation, avoid the tradition to adopt bolt and nut to fix the inconvenience that leads to follow-up maintenance.

In this embodiment, the shape of pull ring 102 is the ring type, and is welding integrated structure between one side of pull ring 102 and installation pole 103 one side, and through setting up welding pull ring 102, be convenient for guarantee pull ring 102 and the inseparable fastness of installing the two of pole 103 and being connected, and the annular pull ring 102 of being convenient for the staff catches on pull ring 102 with finger or instrument, drives the action that installation pole 103 removed.

In this embodiment, the shape of the mounting bracket 104 is an inverted-mountain shape, and a clamping structure is formed between one side of the mounting bracket 104 and the inside of the mounting groove 108, so that the clamping between the clamping block 106 and the inside of the clamping groove 105 can be improved by clamping the inverted-mountain-shaped mounting bracket 104 and the inside of the mounting groove 108, and the tightness between the bonnet 8 and the valve body 6 after installation can be ensured.

In this embodiment, a clamping structure is formed between the clamping block 106 and the inside of the clamping groove 105, four clamping grooves 105 and four clamping blocks 106 are distributed at equal angles, and the stability of the initial clamping between the valve cover 8 and the valve body 6 can be improved by clamping the four clamping blocks 106 and the inside of the clamping groove 105 at equal angles.

In this embodiment, the inner bottom wall of the clamping groove 105 is fixedly connected with the magnetic attraction seat 107, and the magnetic attraction seat 107 and the surface of the clamping block 106 form a magnetic attraction fixing structure therebetween, so that the clamping block 106 is clamped in a limiting manner by utilizing the magnetic attraction cooperation of the magnetic attraction seat 107 and the clamping block 106, and the fastening performance of the clamping block 106 to the inside of the clamping groove 105 is improved.

Example 2

On the basis of embodiment 1, the preferred embodiment of the valve casting convenient for maintenance provided by the utility model is shown in fig. 1 to 5: filtration 4 includes blow off pipe 401, blow off pipe 401 fixed connection is in one side of fixed case 2 bottom, and the opposite side on fixed case 2 top has seted up the reservation groove 405, bolt hole 406 has been seted up on the top of fixed case 2, and fixed case 2 top swing joint has closing plate 403, the both ends swing joint on closing plate 403 top has fixing bolt 407 with bolt hole 406 matched with, and closing plate 403 bottom fixed connection has run through reservation groove 405 and extends to the inside filter screen 402 of fixed case 2, through setting up filter screen 402, can filter the medium that advances pipe 3 entering through the medium, avoid the remaining of medium at 6 inner walls of valve body, lead to the not smooth or the great wearing and tearing that lead to because of the friction of ball valve 5 pivoted, can open blow off pipe 401 simultaneously, be convenient for discharge the filterable impurity sewage of filter screen 402, simultaneously when filter screen 402 is stopped up seriously and blow off pipe 401 is discharged inconveniently by impurity, the cooperation of usable fixing bolt 407 and bolt hole 406, be convenient for take out filter screen 402 and wash the action to it.

In this embodiment, the sealing plate 403 is of an inverted convex shape, and a clamping structure is formed between the lower end of the sealing plate 403 and the inside of the reserved groove 405, so that the primary clamping and fixing of the filter screen 402 and the inside of the fixing box 2 are realized by the clamping of the inverted convex sealing plate 403 and the inside of the reserved groove 405.

In this embodiment, the lower end of the surface of the sealing plate 403 is fixedly connected with a sealing ring 404, the cross section area of the sealing ring 404 is equal to the cross section area of the inner part of the preformed groove 405, and by arranging the sealing ring 404, the sealing performance of the sealing plate 403 clamped to the inner part of the preformed groove 405 can be improved, and leakage is avoided.

When the sealing device is used, the valve body 6 is fixedly connected with an external pipeline through a flange plate on one side of the surface of the medium inlet pipe 3 and the medium outlet pipe 7, in the normal use process of the sealing device, a medium is conveyed from the pipeline to the direction of the fixed box 2 from the medium inlet pipe 3, at the moment, the filter screen 402 is arranged, the medium entering through the medium inlet pipe 3 can be filtered, the phenomenon that the medium is remained on the inner wall of the valve body 6 to cause unsmooth rotation of the ball valve 5 or abrasion caused by large friction is avoided, meanwhile, the drain pipe 401 can be opened to facilitate discharging of impurity sewage filtered by the filter screen 402, meanwhile, when the filter screen 402 is seriously blocked by the impurities and the drain pipe 401 is inconvenient to discharge, the fixing bolt 407 can be rotated to be completely separated from the inside of the reserved bolt hole 406, then the sealing plate 403 is opened to take out the filter screen 402 from the inside of the fixed box 2, further, the filter screen 402 can be cleaned conveniently, the inconvenience of subsequent medium conveying caused by the blockage of the impurities and the like is avoided, when the sealing plate 402 is installed, the filter screen 402 is inserted into the inside of the fixed box 2 through the reserved groove 405, the sealing plate 403 is clamped to the reserved groove 405, the sealing plate 404, the sealing plate 403 is prevented from leaking into the fixed box, and the sealing plate 403 is firmly fixed groove, and the sealing plate 403 is fixedly installed with the bolt hole 407, and the sealing plate 405, and the sealing plate 406, and the sealing plate 403 is prevented from leaking into the fixed box 2;

meanwhile, the hand wheel 10 can be rotated to drive the valve rod 9 to rotate, so that the ball valve 5 rotates in the valve body 6 to open or close the medium circulation, and after the opening, the filtered medium can be discharged out of an external pipeline through the medium outlet pipe 7;

meanwhile, when the internal device of the valve body 6 needs to be overhauled, the pull ring 102 can be pulled forcefully to drive the installation rod 103 to move, the installation frame 104 is driven to slide inside the installation box 101 to compress the strong spring 109 to be completely separated from the inside of the installation groove 108, then the valve cover 8 is pulled forcefully upwards to enable the clamping block 106 to be completely separated from the inside of the clamping groove 105, the disassembly between the valve cover 8 and the valve body 6 is achieved, the maintenance operation is convenient to open the installation frame, after the maintenance is completed, the pull ring 102 is pulled firstly to enable the installation frame 104 to move to be completely entering the inside of the installation box 101, then the clamping block 106 is clamped into the inside of the clamping groove 105, the preliminary clamping and fixing between the valve cover 8 and the valve body 6 are achieved, meanwhile, the clamping direction of the clamping block 106 is limited and clamped through the magnetic attraction matching of the magnetic attraction seat 107 and the clamping block 106, the pull ring 102 is loosened at the moment, the sliding clamping direction of the installation frame 104 is clamped into the inside of the clamping block 108, the limiting and clamping, the clamping of the clamping block 106 is achieved, further, the firm stability of the installation between the valve cover 8 and the valve body 6 is improved, and the possible separation and the opening is avoided.

To sum up, this valve casting convenient to overhaul, the device can realize the quick assembly disassembly between valve body 6 and the valve gap 8 fast, is convenient for overhaul the action to its inside, avoids traditional bolt and nut to fix the inconvenience that leads to the dismouting, can filter the medium of carrying simultaneously, avoids the medium to remain at 6 inner walls of valve body, leads to ball valve 5 pivoted not smooth or because of the great wearing and tearing that lead to of friction.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A valve casting convenient to overhaul, includes valve body (6), its characterized in that: a medium outlet pipe (7) is fixedly connected to one side of the valve body (6), a fixed box (2) is fixedly connected to the other side of the valve body (6), a filtering structure (4) is movably connected to the inside of the fixed box (2), a medium inlet pipe (3) is fixedly connected to the other side of the fixed box (2), a valve cover (8) is movably connected to the top end of the valve body (6), an installation structure (1) is movably connected to the inside of the valve body (6) at the bottom end of the valve cover (8), a valve rod (9) extending into the valve cover (8) is movably connected to the top end of the valve cover (8), a ball valve (5) extending into the valve body (6) is fixedly connected to the bottom end of the valve rod (9), and a hand wheel (10) is fixedly connected to the top end of the valve rod (9);

mounting structure (1) includes draw-in groove (105), draw-in groove (105) are seted up around valve body (6) top, valve body (6) fixed surface of draw-in groove (105) one side is connected with install bin (101), inside wall fixedly connected with powerful spring (109) of install bin (101), powerful spring (109) one side fixedly connected with extends to install bin (101) outside mounting bracket (104), mounting bracket (104) one side fixedly connected with extends to install bin (101) outside installation pole (103), one side fixedly connected with pull ring (102) of installation pole (103), fixedly connected with fixture block (106) all around of valve gap (8) bottom, mounting groove (108) have been seted up to the inside one side of fixture block (106).

2. A service-friendly valve casting as claimed in claim 1, wherein: the shape of the pull ring (102) is a circular ring, and a welding integrated structure is formed between one side of the pull ring (102) and one side of the mounting rod (103).

3. A valve casting for ease of servicing in accordance with claim 1, characterized by: the mounting rack (104) is in an inverted-mountain shape, and a clamping structure is formed between one side of the mounting rack (104) and the inside of the mounting groove (108).

4. A service-friendly valve casting as claimed in claim 1, wherein: the clamping structure is formed between the clamping blocks (106) and the inside of the clamping groove (105), and four clamping grooves (105) and four clamping blocks (106) are distributed at equal angles.

5. A valve casting for ease of servicing in accordance with claim 1, characterized by: the inner bottom wall of the clamping groove (105) is fixedly connected with a magnetic attraction seat (107), and a magnetic attraction fixing structure is formed between the magnetic attraction seat (107) and the surface of the clamping block (106).

6. A valve casting for ease of servicing in accordance with claim 1, characterized by: filtration (4) are including blow off pipe (401), blow off pipe (401) fixed connection is in one side of fixed case (2) bottom, and the opposite side on fixed case (2) top has seted up reservation groove (405), bolt hole (406) have been seted up on the top of fixed case (2), and fixed case (2) top swing joint has closing plate (403), the both ends swing joint on closing plate (403) top has with bolt hole (406) matched with fixing bolt (407), and closing plate (403) bottom fixedly connected with runs through reservation groove (405) and extends to inside filter screen (402) of fixed case (2).

7. An easy to service valve casting as defined in claim 6 wherein: the sealing plate (403) is in an inverted convex shape, and a clamping structure is formed between the lower end of the sealing plate (403) and the inside of the reserved groove (405).

8. An easy to service valve casting as defined in claim 6 wherein: the lower extreme fixedly connected with sealing washer (404) on sealing plate (403) surface, and the area of sealing washer (404) cross section equals the area of the inside cross section of reserve groove (405).

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