CN207961625U - A kind of threeway loose joint fuel gas ball valve - Google Patents

Abstract

The utility model discloses a kind of threeway loose joint fuel gas ball valves, including valve body, valve rod, valve handle, the spherical valve core being rotatably disposed in valve body and the gas passage in spherical valve core；The valve rod top is pierced by valve body and is connected with valve handle, and stem lower portion is matched with spherical valve core, and rotation valve handle actuatable valve bar rotation is to drive spherical valve core to rotate；The valve body is equipped with the first access, alternate path and the third path of supplied gas circulation；First access is equipped with the locking nut being connect with pipeline, and at least one of access is detachably connected with the valve body in first access, alternate path and third path.The utility model on a passage without passing through adapter converted by loose joint locking nut, the connection being effectively simplified between valve body and pipeline, and parts are few, and failure rate is low；And the quantity reduction at cooperation is connected, leakage rate is low, and service life is long.

Description

A kind of threeway loose joint fuel gas ball valve

Technical field

The utility model belongs to technical field of valve manufacturing, more particularly, to a kind of threeway loose joint fuel gas ball valve.

Background technology

Existing three-way ball valve with pipeline during being linked and packed, if having connected between two of which channel and pipeline After the completion of connecing, ball valve can not be rotated around the circumferential direction of Article 3 pipeline at this time.Then third access is connected with pipeline When connecing, need to use could be realized by other adapter cooperation.Under this kind of connection type, not only parts are more, and assembly is cumbersome； And the case where junction of adapter and ball valve and pipeline is required to encapsulation process, and leakage point increases, is susceptible to leakage.

Utility model content

The utility model for overcome the deficiencies in the prior art, provides and a kind of facilitating installation, antileakaging threeway loose joint Fuel gas ball valve.

To achieve the goals above, the utility model uses following technical scheme：A kind of threeway loose joint fuel gas ball valve, including Valve body, valve rod, valve handle, the spherical valve core being rotatably disposed in valve body and the gas passage in spherical valve core；The valve Bar top is pierced by valve body and is connected with valve handle, and stem lower portion is matched with spherical valve core, and rotation valve handle actuatable valve bar rotation is with band Dynamic spherical valve core rotation；The valve body is equipped with the first access, alternate path and the third path of supplied gas circulation；Described first Access is equipped with the locking nut that connect with pipeline, at least one of in first access, alternate path and third path to lead to Road is to be detachably connected with the valve body.By being connected to locking nut on the first access in the utility model, to work as ball When valve is connect with pipeline, it can first be about to other pipelines and be attached with corresponding pipeline, finally by locking nut by third root Pipeline gets up with piping connection, is converted without passing through adapter, and parts are few, and without individually storage locking nut, no It is easy to be lost；And it connects the quantity reduction at cooperation and improves service life to reduce the possibility of leakage；And wherein one is logical Road is detachable with respect to valve body, to which when installing spool, after can dismantling the access, spool be packed by opening to valve body It is interior, then the access is connect to the assembly that can be realized to spool with valve body, assembly is easy, and spool is not easy to drop out, and failure rate is low.

Further, the locking nut and the first access threaded, first access are equipped with and are connected to pipeline Connector, the connector at least partly outer wall and the first access inner wall are that sealing coordinates；Locking nut can be with respect to access It is dismantled, convenient for assembly, and external screw thread is easy to process, high in machining efficiency；Secondly as locking nut passes through with the first access External screw thread connects, if the diameter of the first access is increased, so that it may realize the connection of valve body and PPR pipe, it is applied widely；Work as connection , it can be achieved that the connection of aluminium-plastic pipe and access when head is connected on access；When needing to connect PPR pipe or hard tube, can will connect Head disassembles, and connector is avoided to impact flow；Even if the setting of sealing element can guarantee and be adopted between connector and access The case where being connected with removable mode, good sealing equally may be implemented between connector and access, be not in leakage.

Further, first access is equipped with anti-falling piece, which matches with first access, separately One end coordinates with the locking nut anticreep；The locking nut is rotatably arranged on anti-falling piece；By the setting of anti-falling piece, Ensure that locking nut can carry out freely activity with respect to the first access, but can't ensure ball valve by deviating from the first access Normal use.

Further, the connector is equipped with the compressing member with tube fit, and the locking nut is equipped with and the pressure The tight matched anti-delinking part of part；Pipeline is compacted on connector by compressing member, to ensure the outer wall and compression of connector It realizes and fits closely between the inner wall of part, good seal between the two is less prone to leakage；Anti-delinking part can effectively avoid compressing member By being dropped out outward in locking nut, stable structure is realized.

Further, the anti-falling piece end is formed with protrusion and is coordinated with the anticreep of locking nut with realizing；Protrusion is molded On anti-falling piece, anti-falling piece can be additionally carried out processing, and for the structure on access directly is arranged in protrusion, processing is more For simplicity, manufacturing cost is effectively reduced.

Further, the valve handle has first position, the second position and closed position；

When valve handle is in first position, first access is connected by gas passage with the alternate path；

When valve handle is in the second position, first access is connected by gas passage with the third path；

When valve handle is in the closed position, ball valve is closed；

There are three states for valve handle tool, the closing to ball valve can be realized after realizing distribution flow, to realize that industry makes It is applied widely with the demand for needing closing pipeline in the process；Secondly, it is situations such as pipeline of triple valve connection breaks down When, it can be by closing valve blocks water outlet, the repair hence for pipeline is more convenient, reduces maintenance difficulty；It is discharged in repair When pipeline, without closing total lock every time, the water supply of other pipelines is not interfered with, and maintenance personal no longer needs to total lock and repair Between run back and forth, reduce repair take, it is time saving and energy saving.

Further, the valve handle has first position, the second position and the third place；

When valve handle is in first position, first access by gas passage respectively with the alternate path, third Access is connected；

When valve handle is in the second position, first access is connected by gas passage with the alternate path；

When valve handle is in the third place, the alternate path is connected by gas passage with the third path；

There are three states for valve handle tool, can realize 3 kinds of flow distribution states respectively：1, three be connected in three vertical direction Pipeline；2, two pipelines being connected in parallel direction；3, two pipelines being connected in vertical direction；To meet industrial application mistake It is applied widely to the demand of a variety of tapping conditions in journey；And compared to traditional T-type ball valve for, and be not present wherein one The case where exhalant canal is always water flowing state, to which when outlet conduit breaks down, spool going out to failure only need to be adjusted Waterpipe is the position closed, and is directly repaired to pipeline, without closing total lock every time, does not interfere with other pipes The water supply on road, and maintenance personal no longer needs to run back and forth between total lock and helpdesk, reduces maintenance difficulty and repair takes, it is time saving It is laborsaving.

Further, the valve rod top is equipped with the first rotation prevention portion coordinated with valve handle rotation stop, and lower part is equipped with and globe valve Second rotation prevention portion of mates；First rotation prevention portion and the second rotation prevention portion are vertical setting；Pass through the first, second rotation prevention portion Setting, the case where ensureing the stabilization rotation stop between valve rod and valve handle and spool, be less prone to skidding, ensure to begin when valve handle rotation Drive valve core rotation, failure rate low by valve rod eventually；And being vertically arranged due to the first, second rotation prevention portion so that the first rotation stop Portion and valve handle, the skidding direction between the second rotation prevention portion and spool will be different, the case where to avoid the occurrence of at two while skid.

In conclusion the utility model has the following advantages：Loose joint locking nut on a passage, is effectively simplified valve body Connection between pipeline is converted without passing through adapter, and parts are few, and failure rate is low；And connect the quantity at cooperation It reduces, leakage rate is low, and service life is long；By the detachable setting of a wherein access, the assembly of spool is simplified, and spool is not It easily drops out, failure rate is low.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model embodiment one.

Fig. 2 is the overhead sectional view that handle is in first position in the utility model embodiment one.

Fig. 3 is the sectional view of Fig. 1.

Fig. 4 is the side view of the utility model embodiment one.

Fig. 5 is the overhead sectional view that handle is in the second position in the utility model embodiment one.

Fig. 6 is the overhead sectional view that handle is in the third place in the utility model embodiment one.

Fig. 7 is the overhead sectional view of another scheme in the utility model embodiment one.

Fig. 8 is the side view of another scheme in the utility model embodiment one.

Fig. 9 is the overhead sectional view that handle is in first position in the utility model embodiment two.

Figure 10 is the overhead sectional view that handle is in the second position in the utility model embodiment two.

Figure 11 is the overhead sectional view that handle is in the third place in the utility model embodiment two.

Figure 12 is the structural schematic diagram of another embodiment in the utility model embodiment two.

Specific implementation mode

In order to make those skilled in the art be better understood from the utility model, below in conjunction with the utility model reality The attached drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the utility model.

As shown in figures 1-8, a kind of threeway loose joint fuel gas ball valve, including valve body 1, valve rod 2, valve handle 3, metal made of metal Manufactured spherical valve core 4 and the gas passage 5 in spherical valve core；The valve body 1 is equipped with the first of supplied gas circulation Access 11, alternate path 12 and third path 13, in the present embodiment, the alternate path 12 is parallel with third path 13 and even Logical setting, first access are vertically arranged with the alternate path 12 and third path 13；First access 11 is equipped with The locking nut 8 being connect with pipeline, in first access 11, alternate path 12 and third path 13 at least one of access with The valve body 1 is to be detachably connected；In this present embodiment, locking nut 8 is set only on the first access 11, certainly, in other In embodiment, also can individually be arranged in alternate path, third path or three accesses on combination of two installation locking spiral shell It is respectively mounted locking nut 8 on mother or three accesses, concrete scheme is voluntarily adjusted according to needs of production；Wherein, institute It is input end to state the first access 11, and the alternate path 12 and third path 13 are outlet end；Certainly, it is only in the present embodiment Easy-to-read and entrance end is defined, not to the restriction of protection domain, specific entrance end can be according to reality Demand during processing is voluntarily adjusted.

Specifically, as shown in Fig. 2, the locking nut 8 is a metal nuts, first access 11 is equipped with external screw thread 71, the locking nut 8 by with the external screw thread and the first access threaded, realize locking nut be removably attachable to lead to On the road；First access 11 is equipped with the connector 72 being connected to pipeline, which is made of metal, and in locking nut Portion is hollow setting；The connector 72 is equipped with the compressing member 73 with tube fit, which is metal made of metal Ring, and becket is equipped with a notch so that the internal diameter of compressing member can generate certain variation when by outer force effect；It compresses The inner wall of part 73 is equipped with the evenly spaced compression protrusion 731 that a plurality of arc is distributed with, which is by compressing member The protrusion that 73 inner walls directly extend inwardly to form；When ball valve is connect with pipeline, can will be managed outside compressing member set to pipeline later On road set to connector, when screwing locking nut, locking nut inner wall will squeeze compressing member, to which compressing member deforms upon, tightly It is pressed on pipeline outer wall, realizes the excellent sealing between connector and pipeline；Wherein, pipeline is preferably aluminium-plastic pipe.

Preferably, the connector 72 is to be detachably connected with the access 7, the two is preferably mating；It is described Connector 72 includes first connecting portion 721 and second connecting portion 722, and the two is cylindricality setting, and the diameter of second connecting portion It is set as being slightly less than the diameter of first connecting portion；When connection, the first connecting portion 721 and access grafting, second connecting portion 722 With pipeline grafting；Further, two sealing elements 723 are respectively equipped in the first connecting portion 721 and second connecting portion 722, it should Sealing element 723 is rubber ring, and first connecting portion and second connecting portion are equipped with the annular groove being caught in for rubber ring, pass through sealing element 723 can realize that first connecting portion and the sealing cooperation and the sealing of second connecting portion and inner wall of the pipe of 7 inner wall of access coordinate； Preferably, the second connecting portion 722 is equipped with multiple seal beads 724, these seal beads 724 are along the second connecting portion The 722 evenly spaced distribution of outer wall.

In other embodiment, as Figure 7-8, the locking nut may be selected not with 11 threaded of the first access, But realize that the connection with the first access 11, locking nut 8 are movably set in outside the anti-falling piece 9 by an anti-falling piece 9, it can be opposite Anti-falling piece rotates, but not is dropped out outward by anti-falling piece end；Specifically, the anti-falling piece 9 is made of metal, anti-falling piece 9 one Outer wall is held to be equipped with screw thread, 11 inner wall of the first access is equipped with internal thread, to which anti-falling piece 9 can be with 11 spiral shell of the first access It connects, realizes being detachably connected between the first access 11；9 other end of the anti-falling piece is formed with a protrusion 91, the protrusion 91 For the circle flange extended outward to form by anti-falling piece end, the outer diameter of the flange is more than the straight of locking nut inner hollow cavity Diameter, to ensure that locking nut will not outward be deviate from from anti-falling piece, to realize that anti-falling piece and the anticreep of locking nut 8 coordinate.

Preferably, being equipped with sealing mat piece 81 in the locking nut 8, which is the rubber pad of annular, when When pipeline is connect with locking nut, which is between pipe end and anti-falling piece end, realizes having between the two Effect sealing；Anti-falling piece is dismounted for convenience, we are provided with the cavity 92 of hexagonal configuration on the anti-falling piece, this is logical Chamber 92 is preferably the straight slot of interior hexagonal configuration setting, and when tool is inserted into the cavity 92, tool will match with 92 rotation stop of cavity It closes, to which turning tool can drive anti-falling piece to rotate, and then cavity 92 is screwed in access；Preferably, the anticreep It is arranged with a rubber seal 93 outside part 9, the sealing between anti-falling piece 9 and locking nut 8 can be realized by the rubber seal Cooperation.

The alternate path 12 is to be detachably connected with the valve body 1, is preferably spirally connected；In this present embodiment, it is arranged It is detachably connected for alternate path and valve body 1；When mounted, first spherical valve core 4 is installed to valve body, then alternate path is connected It is connected on valve body ontology, spherical valve core 4 is effectively prevent to deviate from valve body；In other embodiment, alternate path can be also arranged To be integrally formed with valve body, the first access or third path are set as being spirally connected with valve body；Preferably, the alternate path 12 Part surface be arranged for polymorphic structure, such as outer-hexagonal shape, outer octagonal can be held in this in turn alternate path 12 It is operated on part, is not easy to skid, be convenient for turn；Further, it has been extended inwardly to form on 12 inner wall of the alternate path One circle protrusion 171, the internal diameter of the protrusion are less than the internal diameter of spherical valve core, spherical valve core are thus prevented to drop out；Preferably, described Protrusion 171 is equipped with rubber ring 10 close to the side of spherical valve core；Further, it is equipped with and spherical valve core phase in the valve body 1 The sealing surface 14 of cooperation；It, should corresponding to a circle protrusion has equally been extended inwardly to form on the inner wall of third path in the valve body 1 The sealing surface 14 is convexed to form, the internal diameter of the sealing surface 14 is similarly less than the internal diameter of spherical valve core, effectively prevent globe valve Core 4 drops out；The sealing surface is equipped with sealing ring 141 close to the side of spherical valve core.

As shown in Fig. 1,6-7, in this present embodiment, the gas passage 5 is L-type structure setting, and the valve handle 3 has the One position, the second position and closed position；When 3 turn of valve handle is to first position, as shown in Figure 1, first access 11 is logical Gas passage 5 is crossed with the alternate path 12 to be connected；When 3 turn of valve handle is to the second position, as shown in fig. 6, described first Access 11 is connected by gas passage 5 with the third path 13；When 3 turn of valve handle is to closed position, as shown in fig. 6, Ball valve is closed；To which ball valve can realize the closing to ball valve after realizing distribution flow, to realize that industry makes It is applied widely with the demand for needing closing pipeline in the process.

The indicator is the arrow on the valve handle 3, can be molded directly within metal by modes such as punching presses Valve handle on, which is two, and the angle between two arrows is 90 °；Further, it is arranged outside the valve handle 3 Rubber sleeve 33, it is possible to increase the frictional force between valve handle 3 and hand.

Further, as shown in figure 5, the valve body 1 is equipped with stopper 15, the valve handle 3 is equipped with and the limiting section phase The limiting section 31 of cooperation；By the cooperation of the limiting section and stopper, it is excessive to can avoid valve handle turn；Specifically, 1 top of valve body is set There is the opening being pierced by for valve rod, which, which upwardly extends, is formed with extension 18, and the stopper 15 is by extension side wall On bar shaped convex block；The limiting section 31 is set as two, and the angle between two limiting sections 31 is 180 ° so that valve handle is to turn Dynamic 90 ° are a position, and the difference between each position is apparent, and can guarantee valve handle can quick rotation in place, position adjustment is accurate； In order to easy to process, the limiting section 31 is the protrusion extended to form directly down by the side of the valve handle 3.

Preferably, as shown in figure 4,2 top of the valve rod is equipped with the first rotation prevention portion 21, lower part is equipped with the second rotation prevention portion 22； First rotation prevention portion 21 and the second rotation prevention portion 22 are strip structure setting, and the first rotation prevention portion 21 and the second rotation prevention portion 22 are perpendicular Setting；The valve handle 3 is equipped with to be also configured as with first rotation prevention portion, 21 matched rotation stop opening 32, rotation stop opening 32 Strip, to when the first rotation prevention portion 21 penetrates rotation stop opening 32, realize rotation stop between the two；In order to facilitate dismounting valve handle, I Set the left and right sidewall of first rotation prevention portion 21 to cambered surface, and screw thread is provided in cambered surface, to the first rotation prevention portion 21 top can be spirally connected after being pierced by rotation stop opening with locking nut 6, and then valve handle is avoided to deviate from from the first rotation prevention portion 21；Into One step, rubber pad 19 is equipped between the valve rod 2 and the extension 18.

Further, 4 upper position of the spherical valve core is equipped with a rotation stop straight slot 41, which sets for strip It sets, and the both ends of rotation stop straight slot 41 are located on the side wall of spherical valve core 4, and then the second rotation prevention portion 22 can be by rotation stop straight slot 41 End on directly slide into rotation stop straight slot 41, assembly is easy.

Embodiment 2

In this present embodiment, as shown in figs9-12, the gas passage 5 is arranged for T-type structure, and the spherical valve core 4 can Rotatably it is set in valve body；2 top of the valve rod is pierced by valve body and is connected with valve handle 3, and 2 lower part of valve rod is matched with 4 rotation stop of spherical valve core It closes, to can be driven valve rod rotation when rotating valve handle 3 to drive spherical valve core 4 to rotate, to realize to gas passage 5 Position adjusts；Specifically, the valve handle 3 has first position, the second position and the third place；When 3 turn of valve handle is to first When setting, as shown in figure 9, first access 11 is connected with the alternate path 12, third path 13 respectively by gas passage 5 It is logical, realize threeway state；When 3 turn of valve handle is to the second position, as shown in figure 11, first access 11 passes through gas passage 5 are connected with the alternate path 12, realize the state of two vertical pipes of connection；When 3 turn of valve handle is to the third place, such as scheme Shown in 12, the alternate path 13 is connected by gas passage 5 with the third path 13, realizes straight-through state；To Ball valve can realize three kinds of SHUNT states to gas respectively, to meet industrial application in the process to the need of a variety of tapping conditions It asks, it is applied widely.

Further, the valve handle 3 is equipped with indicator, can be understood intuitively to gas circulating direction by the indicator It is indicated；Preferably, the indicator is arrow on the valve handle 3, can by the modes such as punching press directly at Type is on the valve handle of metal, which is three, and the angle between adjacent two arrow is 90 °.

Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments. It is obtained by those of ordinary skill in the art without making creative efforts based on the embodiments of the present invention Every other embodiment should all belong to the range of the utility model protection.

Claims (8)

1. a kind of threeway loose joint fuel gas ball valve, including valve body（1）, valve rod（2）, valve handle（3）, the ball that is rotatably disposed in valve body Shape spool（4）And the gas passage in spherical valve core（5）；The valve rod（2）Top is pierced by valve body and valve handle（3）It is connected, Valve rod（2）Lower part and spherical valve core（4）It matches, rotates valve handle（3）Actuatable valve bar is rotated to drive spherical valve core（4）Turn It is dynamic；It is characterized in that：The valve body（1）It is equipped with the first access of supplied gas circulation（11）, alternate path（12）And third is logical Road（13）；First access（11）It is equipped with the locking nut being connect with pipeline（8）, first access（11）, it is second logical Road（12）And third path（13）In at least one of access and the valve body（1）To be detachably connected.

2. threeway loose joint fuel gas ball valve according to claim 1, it is characterised in that：The locking nut（8）It is logical with first Road threaded, first access are equipped with the connector being connected to pipeline（72）, the connector at least partly outer wall and institute It is that sealing coordinates to state the first access inner wall.

3. threeway loose joint fuel gas ball valve according to claim 1, it is characterised in that：First access（11）It is equipped with anti- De- part（9）, the anti-falling piece（9）One end is matched with first access, the other end and the locking nut（8）Anticreep coordinates； The locking nut（8）It is rotatably arranged in anti-falling piece（9）On.

4. threeway loose joint fuel gas ball valve according to claim 2, it is characterised in that：The connector（72）It is equipped with and pipe The compressing member of road cooperation（73）, the locking nut（8）It is equipped with and the compressing member（73）Matched anti-delinking part.

5. threeway loose joint fuel gas ball valve according to claim 3, it is characterised in that：The anti-falling piece（9）End is formed with Protrusion（91）With realization and locking nut（8）Anticreep cooperation.

6. threeway loose joint fuel gas ball valve according to claim 1, it is characterised in that：The valve handle（3）With first position, The second position and closed position；

Work as valve handle（3）When in first position, first access（11）Pass through gas passage（5）With the alternate path（12） It is connected；

Work as valve handle（3）When in the second position, first access（11）Pass through gas passage（5）With the third path（13） It is connected；

Work as valve handle（3）When in the closed position, ball valve is closed.

7. threeway loose joint fuel gas ball valve according to claim 1, it is characterised in that：The valve handle（3）With first position, The second position and the third place；

Work as valve handle（3）When in first position, first access（11）Pass through gas passage（5）Respectively with the alternate path （12）, third path（13）It is connected；

Work as valve handle（3）When in the second position, first access（11）Pass through gas passage（5）With the alternate path（12） It is connected；

Work as valve handle（3）When in the third place, the alternate path（12）Pass through gas passage（5）With the third path（13） It is connected.

8. threeway loose joint fuel gas ball valve according to claim 1, it is characterised in that：The valve rod（2）Top is equipped with and valve Handle（3）First rotation prevention portion of rotation stop cooperation（21）, lower part is equipped with and spherical valve core（4）Matched second rotation prevention portion（22）；Institute State the first rotation prevention portion（21）With the second rotation prevention portion（22）It is vertical setting.