CN208221645U - A kind of ball valve - Google Patents

Abstract

The utility model discloses a kind of ball valves, it is intended to provide a kind of ball valve that filter effect is good, its key points of the technical solution are that a kind of ball valve, valve body, it is placed in the attachment cap of valve body one end, the valve ball being placed between valve body and attachment cap, it is connected through a screw thread between valve body and attachment cap, valve ball both ends are equipped with sealing element, the valve rod that one end is connect with valve ball is additionally provided on valve body, the valve rod other end is equipped with handle, it is characterized by: being equipped with filter assemblies in the attachment cap, filter assemblies include filter frame, it is placed in the strainer at filter frame both ends, the filter core being placed in the middle part of filter frame, filter core includes the filter column of several hollow structures, filter column both ends are equipped with connecting plate, wherein the connecting plate of one end and filter column run through and are equipped with upper cover, filter column is equipped with filter opening, filtrate is filled in filter column, filter column is axially in multiple row structure along valve body, it is shifted to install between adjacent two column, this reality It is suitable for valve technology field with novel.

Description

A kind of ball valve

Technical field

The utility model belongs to valve technology field, refers in particular to a kind of ball valve.

Background technique

Ball valve is a kind of valve for being driven valve ball by valve rod and being rotated around valve ball axis, can be used for the adjusting of flow With control.

Currently, ball valve in the market does not have filtration usually, or it is filtered by simple filter screen, it can only Large granular impurity is filtered, filter effect is poor；Furthermore it is existing that the junction of existing ball valve, valve rod and valve body is easiest to occur leak As, therefore be also required to improve.

Utility model content

The purpose of the utility model is to provide a kind of good ball valves of filter effect.

Purpose of the utility model is realized as follows: a kind of ball valve, valve body, are placed in the attachment cap for being placed in valve body one end Valve ball between valve body and attachment cap, is connected through a screw thread between valve body and attachment cap, and valve ball both ends are equipped with sealing element, valve body On be additionally provided with the valve rod that one end is connect with valve ball, the valve rod other end is equipped with handle, it is characterised in that: was equipped in the attachment cap Component is filtered, filter assemblies include filter frame, the strainer for being placed in filter frame both ends, the filter core being placed in the middle part of filter frame, and filter core includes in several The filter column of hollow structure, filter column both ends are equipped with connecting plate, and wherein the connecting plate of one end and filter column run through and are equipped with upper cover, set in filter column There is filter opening, be filled with filtrate in filter column, filter column is axially in multiple row structure along valve body, is shifted to install between adjacent two column.

By using above-mentioned technical proposal, filter frame one end is detachable end, and the inner cavity in the middle part of filter frame is rectangle, is convenient for filter core Installation, by engaging, the setting of upper cover is conveniently replaceable filtrate, the optional medical stone of filtrate and molecule for upper cover and connecting plate Sieve, filter assemblies are placed on the water outlet of valve body, in use, water body is successively filtered through filter screen, filter core, strainer, filter core It is filtered by the filter column of multiple row structure, and each column filter column includes multiple filter columns being placed equidistant with, the arrangement mode of filter column, Better filtration can be carried out under conditions of not influencing flow rate.

The utility model is further arranged to: the strainer includes being placed in the plastic wire of filter frame water inlet end and being placed in filter frame The fiber knitted net of water end (W.E.), fiber knitted net include carbon fiber braiding layer and the polyester fiber for being placed in carbon fiber braiding layer two sides Layer.

By using above-mentioned technical proposal, plastic wire can be integrally formed with filter frame, play the role of primary filtration, and fiber is compiled Knitmesh is fixed on end cap, and end cap is threadedly coupled with filter frame, plays fixed function, multi-layer braided layer is compound, for improving Precision is filtered, and polyester fiber layer can increase the structural strength of fiber knitted net entirety, carbon fiber braiding layer can be in water body Harmful substance play further suction-operated.

The utility model is further arranged to: the valve rod is equipped with the limit contradicted with valve interior wall close to one end of valve ball Position ring, stop collar and valve interior wall are equipped with graphite annulus, and elastic washer is additionally provided between graphite annulus and stop collar.

By using above-mentioned technical proposal, elastic washer and graphite annulus are set on valve rod, graphite annulus and valve interior wall It contradicts, increases the leakproofness between valve rod and valve body, and graphite annulus has good abrasion resistance properties, can extend using the longevity Life, elastic washer can provide elastic force to graphite annulus, it is ensured that the conflict dynamics of graphite annulus and valve interior wall further increases close Feng Xing.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of filter assemblies in the utility model Fig. 1；

Fig. 3 is the A-A of filter core in the utility model Fig. 2 to structural schematic diagram；

Appended drawing reference in figure are as follows: 1, valve body；2, attachment cap；3, valve ball；4, valve rod；5, handle；6, filter assemblies；7, it filters Frame；8, filter column；9, connecting plate；10, upper cover；11, plastic wire；12, fiber knitted net；13, stop collar；14, graphite annulus；15, bullet Property washer.

Specific embodiment

The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1-3:

A kind of ball valve, valve body 1, the attachment cap 2 for being placed in 1 one end of valve body, the valve ball 3 being placed between valve body 1 and attachment cap 2, It is connected through a screw thread between valve body 1 and attachment cap 2,3 both ends of valve ball are equipped with sealing element, and one end and valve ball 3 are additionally provided on valve body 1 The valve rod 4 of connection, 4 other end of valve rod are equipped with handle 5, it is characterised in that: are equipped with filter assemblies 6, filtering group in the attachment cap 2 Part 6 includes filter frame 7, the strainer for being placed in 7 both ends of filter frame, the filter core for being placed in 7 middle part of filter frame, and filter core includes the filter of several hollow structures Column 8,8 both ends of filter column are equipped with connecting plate 9, and wherein the connecting plate 9 of one end and filter column 8 run through and be equipped with upper cover 10, and filter column 8 is equipped with Filter opening, filter column 8 is interior to be filled with filtrate, and it is in multiple row structure that filter column 8 is axial along valve body 1, is shifted to install between adjacent two column.

By using above-mentioned technical proposal, 7 one end of filter frame is detachable end, and the inner cavity at 7 middle part of filter frame is rectangle, convenient for filter The installation of core, upper cover 10 is with connecting plate 9 by engaging, and the setting of upper cover 10 is conveniently replaceable filtrate, and wheat meal can be selected in filtrate Stone and molecular sieve, filter assemblies 6 are placed on the water outlet of valve body 1, in use, water body is successively carried out through filter screen, filter core, strainer Filtering, filter core are filtered by the filter column 8 of multiple row structure, and each column filter column 8 includes multiple filter columns 8 being placed equidistant with, filter The arrangement mode of column 8 can carry out better filtration under conditions of not influencing flow rate.

The utility model is further arranged to: the strainer includes being placed in the plastic wire 11 of 7 water inlet end of filter frame and being placed in filter The fiber knitted net 12 of 7 water outlet of frame, fiber knitted net 12 include carbon fiber braiding layer and are placed in carbon fiber braiding layer two sides Polyester fiber layer.

By using above-mentioned technical proposal, plastic wire 11 can be integrally formed with filter frame 7, play the role of primary filtration, fine Dimension mesh grid 12 is fixed on end cap, and end cap is threadedly coupled with filter frame 7, plays fixed function, and multi-layer braided layer is compound, is used for Improve filtering accuracy, and polyester fiber layer can increase the whole structural strength of fiber knitted net 12, carbon fiber braiding layer can be with Further suction-operated is played to the harmful substance in water body.

The utility model is further arranged to: the valve rod 4 is equipped with close to one end of valve ball 3 and contradicts with 1 inner wall of valve body Stop collar 13, stop collar 13 and 1 inner wall of valve body are equipped with graphite annulus 14, are additionally provided with elastic cushion between graphite annulus 14 and stop collar 13 Circle 15.

By using above-mentioned technical proposal, elastic washer 15 and graphite annulus 14 are set on valve rod 4, graphite annulus 14 and valve 1 inner wall of body contradicts, and increases the leakproofness between valve rod 4 and valve body 1, and graphite annulus 14 has good abrasion resistance properties, can be with Prolong the service life, elastic washer 15 can provide elastic force to graphite annulus 14, it is ensured that the conflict of graphite annulus 14 and 1 inner wall of valve body Dynamics further increases leakproofness.

Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model Within the scope of.

Claims (3)

1. a kind of ball valve, valve body (1), are placed between valve body (1) and attachment cap (2) attachment cap (2) for being placed in valve body (1) one end Valve ball (3), be connected through a screw thread between valve body (1) and attachment cap (2), valve ball (3) both ends are equipped with sealing element, valve body (1) On be additionally provided with the valve rod (4) that one end is connect with valve ball (3), valve rod (4) other end is equipped with handle (5), it is characterised in that: the company It connects in cap (2) and is equipped with filter assemblies (6), filter assemblies (6) include filter frame (7), the strainer for being placed in filter frame (7) both ends, are placed in filter Filter core in the middle part of frame (7), filter core include the filter column (8) of several hollow structures, and filter column (8) both ends are equipped with connecting plate (9), wherein one The connecting plate (9) at end and filter column (8) are run through and are equipped with upper cover (10), and filter column (8) is equipped with filter opening, are filled with filter in filter column (8) Material, filter column (8) are axially in multiple row structure along valve body (1), are shifted to install between adjacent two column.

2. a kind of ball valve according to claim 1, it is characterised in that: the strainer includes being placed in filter frame (7) water inlet end Plastic wire (11) and the fiber knitted net (12) for being placed in filter frame (7) water outlet, fiber knitted net (12) includes carbon fiber braiding layer With the polyester fiber layer for being placed in carbon fiber braiding layer two sides.

3. a kind of ball valve according to claim 1, it is characterised in that: the valve rod (4) sets on the one end of valve ball (3) There is the stop collar (13) contradicted with valve body (1) inner wall, stop collar (13) and valve body (1) inner wall are equipped with graphite annulus (14), graphite annulus (14) it is additionally provided between stop collar (13) elastic washer (15).