CN219176987U - Extension bar ball rotating valve - Google Patents

Abstract

The utility model discloses an extension bar rotary ball valve, which belongs to the field of ball valves and comprises a valve body, wherein a protective sleeve is fixedly arranged at the upper end of the valve body through a bolt, a through hole is formed in the middle of the protective sleeve, an outer valve rod is connected in the through hole in a sliding manner, a square groove is formed in the lower end of the outer valve rod, an inner valve rod is connected in the square groove in a sliding manner, a pair of grooves are formed in the inner wall of the through hole, an annular sleeve is connected in the grooves in a sliding manner, a plurality of annular grooves matched with the annular sleeve are formed in the outer end of the outer valve rod, a spring is fixedly arranged in the grooves, and a handle is fixedly arranged at the upper end of the outer valve rod.

Description

Extension bar ball rotating valve

Technical Field

The utility model relates to the field of ball valves, in particular to an extension rod rotary ball valve.

Background

The main characteristic of the rotary ball valve is that it not only can be reliably turned off in the forward pressure, but also can be reliably turned off in the reverse pressure or the reverse pressure far greater than the forward pressure, and the rotary ball valve has the functions and advantages of butterfly valve, half ball valve, gate valve and stop valve, but also has the powerful functions and advantages that are completely distinctive.

At present, the rod length of the existing ball rotating valve is fixed, so that the daily use range of the ball rotating valve is limited, when the ball valve is damaged, the problem of inconvenient replacement exists, and a lot of inconvenience is brought to the pipeline overhaul.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems existing in the prior art, the utility model aims to provide the extension rod ball valve, which can realize the purpose that the annular sleeve is clamped with the annular groove by pulling the handle, so that the ball valve and the valve rod are convenient to lengthen, and meanwhile, the annular sleeve is limited and fixed by the annular groove to prevent the annular sleeve from falling off, so that the freedom of rod length is realized, and meanwhile, the replacement and maintenance of a pipeline are convenient, and the application range of the ball valve is further effectively enlarged.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides an extension bar spin valve, includes the valve body, there is the protective sheath valve body upper end through bolt fixed mounting, the through-hole has been seted up in the middle of the protective sheath, sliding connection has outer valve rod in the through-hole, square groove has been seted up to outer valve rod lower extreme, sliding connection has interior valve rod in the square groove, a pair of recess has been seted up to the through-hole inner wall, sliding connection has the annular sleeve in the recess, a plurality of annular grooves with annular sleeve assorted have been seted up to outer valve rod outer end, fixed mounting has the spring in the recess, outer valve rod upper end fixed mounting has the handle, lets annular sleeve and annular groove looks block through the pulling handle to the purpose of being convenient for lengthen between messenger's spin valve and the pipeline utilizes the annular groove to carry out spacing fixedly simultaneously, prevents that the annular sleeve from droing, has not only realized the long freedom of pole, also makes things convenient for the pipeline to change and overhaul simultaneously, and then effectually has enlarged the application range of spin valve.

Further, the anti-falling block is fixedly arranged at the upper end of the inner valve rod and is in sliding connection with the square groove, and when the anti-falling block slides in the square groove, the inner valve rod is limited at the same time, so that the inner valve rod is prevented from falling off during sliding.

Further, the outer pot head of outer valve rod is equipped with the annular piece, annular piece lower extreme fixedly connected with a pair of fixed plate, the protective sheath upper end is seted up with fixed plate assorted perpendicular hole, and perpendicular hole is linked together with the recess, annular cover upper end is seted up with fixed plate assorted draw-in groove, when pulling the handle, utilizes annular piece pulling fixed plate, lets the fixed plate slide in perpendicular hole to fix and spacing annular cover.

Further, the limiting groove is formed in the inner wall of the vertical hole, the limiting sliding block is connected in the limiting groove in a sliding mode, the limiting sliding block is fixedly connected with the fixing plate, and when the fixing plate slides in the vertical hole, the limiting sliding block is limited in sliding through the limiting groove.

Furthermore, the annular sleeve is hemispherical at one end far away from the spring, and the annular sleeve is convenient to clamp with the annular groove better when the handle is pulled through the hemispherical shape.

3. Advantageous effects

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

(1) This scheme lets annular sleeve and ring channel block mutually through pulling the handle to make the purpose of being convenient for extension between ball valve and the valve rod, utilize the ring channel to carry out spacing fixedly to annular external member simultaneously, prevent that the annular sleeve from droing, realized not only that the pole is long freely, also make things convenient for the pipeline to change simultaneously and overhaul, and then the effectual application range who enlarges the ball valve.

(2) The valve rod upper end fixed mounting has the anticreep piece in this scheme, and anticreep piece and square groove sliding connection, when the anticreep piece slides in square groove, is spacing to interior valve rod simultaneously, prevents that interior valve rod from droing when sliding.

(3) The outer valve rod of this scheme outer valve rod outer end cover is equipped with the annular piece, annular piece lower extreme fixedly connected with a pair of fixed plate, and the perpendicular hole with fixed plate assorted has been seted up to the protective sheath upper end, and perpendicular hole is linked together with the recess, annular cover upper end seted up with fixed plate assorted draw-in groove, when pulling the handle, utilize annular piece pulling fixed plate, let the fixed plate slide in perpendicular hole to fix and spacing annular cover.

(4) This scheme square groove this scheme erects the hole inner wall and has offered the spacing groove, and sliding connection has spacing slider in the spacing groove, and spacing slider and fixed plate fixed connection, when the fixed plate slides in erecting the hole, carries out spacingly to the slip of spacing slider through the spacing groove.

(5) In this scheme valve rod this scheme annular sleeve keeps away from spring one end and is hemispherical, is convenient for handle when the pulling through hemispherical, better and the ring channel carry out the block.

Drawings

FIG. 1 is a schematic elevational cross-sectional view of a rotary extension valve of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

fig. 3 is a schematic cross-sectional view of a top side of an annular groove of the present utility model.

The reference numerals in the figures illustrate:

1. a valve body; 2. a protective sleeve; 3. an outer valve stem; 4. a square groove; 5. an inner valve stem; 6. a groove; 7. an annular sleeve; 8. an annular groove; 9. a spring; 10. a handle; 11. an anti-falling block; 12. an annular block; 13. a fixing plate; 14. a limit groove; 15. and a limit sliding block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

referring to fig. 1-3, an extension bar ball rotating valve comprises a valve body 1, wherein a protective sleeve 2 is fixedly arranged at the upper end of the valve body 1 through a bolt, a through hole is formed in the middle of the protective sleeve 2, an outer valve rod 3 is slidably connected in the through hole, the outer valve rod 3 is protected by the protective sleeve 2, thereby prolonging the service life of the outer valve rod 3, a square groove 4 is formed at the lower end of the outer valve rod 3, an inner valve rod 5 is slidably connected in the square groove 4, a pair of grooves 6 are formed in the inner wall of the through hole, an annular sleeve 7 is slidably connected in the grooves 6, a plurality of annular grooves 8 matched with the annular sleeve 7 are formed at the outer end of the outer valve rod 3, a spring 9 is fixedly arranged in the grooves 6, the annular sleeve 7 can be reset and limited by the elastic force of the spring 9, a handle 10 is fixedly arranged at the upper end of the outer valve rod 3, the annular sleeve 7 is clamped with the annular groove 8 by pulling the handle 10, the annular sleeve 7 is conveniently lengthened between the ball rotating valve and the valve rod, the annular sleeve 7 is limited and fixed by the annular groove 8, the annular sleeve 7 is prevented from falling off by the annular groove 8, the annular sleeve 7, the free length of the ball valve is conveniently replaced, and the pipeline is conveniently maintained, and the service range is enlarged.

Referring to fig. 2, an anti-falling block 11 is fixedly mounted at the upper end of the inner valve rod 5, and the anti-falling block 11 is slidably connected with the square groove 4, when the anti-falling block 11 slides in the square groove 4, the inner valve rod 5 is limited at the same time, so that the inner valve rod 5 is prevented from falling off during sliding.

Referring to fig. 2, an annular block 12 is sleeved at the outer end of the outer valve rod 3, a pair of fixing plates 13 is fixedly connected to the lower end of the annular block 12, vertical holes matched with the fixing plates 13 are formed in the upper end of the protective sleeve 2, the vertical holes are communicated with the grooves 6, clamping grooves matched with the fixing plates 13 are formed in the upper end of the annular sleeve 7, when the handle 10 is pulled, the fixing plates 13 are pulled by the annular block 12, the fixing plates 13 slide in the vertical holes, and accordingly the annular sleeve 7 is fixed and limited.

Referring to fig. 2, a limiting groove 14 is formed in the inner wall of the vertical hole, a limiting slide block 15 is slidably connected in the limiting groove 14, the limiting slide block 15 is fixedly connected with the fixing plate 13, and when the fixing plate 13 slides in the vertical hole, the sliding of the limiting slide block 15 is limited through the limiting groove 14

Referring to fig. 2, the end of the annular sleeve 7 away from the spring 9 is hemispherical, so that the handle 2 can be better clamped with the annular groove 8 when pulled.

Working principle: through pulling handle 10, make annular sleeve 7 and the mutual block of ring channel 8 in outer valve rod 3, thereby be convenient for the staff to adjust certain length and use, when dismantling, continue pulling handle 10, make annular sleeve 7 and ring channel 8 in the outer valve rod 3 separate each other, and spacing to interior valve rod 5 through anticreep piece 11, thereby prevent that interior valve rod 5 from coming off when pulling, annular sleeve 7 also resumes the normal position through the elasticity of spring 9 in recess 6, be convenient for the staff dismantle and adjust, and the disrotatory ball valve overhauls, finally let annular sleeve 7 and ring channel 8 block mutually through pulling handle 10, thereby be convenient for the purpose of extension between messenger's rotatory ball valve and the valve rod, utilize ring channel 8 to carry out spacing fixed annular sleeve 7 piece simultaneously, prevent annular sleeve 7 to drop, not only realized the long freedom of pole, also make things convenient for the pipeline to change and overhaul simultaneously, and then effectually enlarged the application range of rotatory ball valve.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (5)

1. The utility model provides an extension bar ball valve, includes valve body (1), its characterized in that: the valve body (1) upper end has protective sheath (2) through bolt fixed mounting, the through-hole has been seted up in the middle of protective sheath (2), sliding connection has outer valve rod (3) in the through-hole, square groove (4) have been seted up to outer valve rod (3) lower extreme, sliding connection has interior valve rod (5) in square groove (4), a pair of recess (6) have been seted up to the through-hole inner wall, sliding connection has annular cover (7) in recess (6), a plurality of ring channel (8) with annular cover (7) assorted have been seted up to outer valve rod (3) outer end, fixed mounting has spring (9) in recess (6), outer valve rod (3) upper end fixed mounting has handle (10).

2. An extension rod ball valve according to claim 1, wherein: the upper end of the inner valve rod (5) is fixedly provided with an anti-falling block (11), and the anti-falling block (11) is in sliding connection with the square groove (4).

3. An extension rod ball valve according to claim 1, wherein: the outer valve rod (3) outer pot head is equipped with annular piece (12), annular piece (12) lower extreme fixedly connected with a pair of fixed plate (13), perpendicular hole with fixed plate (13) assorted is seted up to protective sheath (2) upper end, and perpendicular hole is linked together with recess (6), draw-in groove with fixed plate (13) assorted is seted up to annular cover (7) upper end.

4. A twist ball valve as set forth in claim 3 wherein: the limiting groove (14) is formed in the inner wall of the vertical hole, the limiting sliding block (15) is connected in the limiting groove (14) in a sliding mode, and the limiting sliding block (15) is fixedly connected with the fixing plate (13).

5. An extension rod ball valve according to claim 1, wherein: one end of the annular sleeve (7) far away from the spring (9) is hemispherical.

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