CN201228782Y

CN201228782Y - Ball-valve

Info

Publication number: CN201228782Y
Application number: CNU2008201028447U
Authority: CN
Inventors: 卢文荣
Original assignee: PENGWEI (XIAMEN) INDUSTRIAL Co Ltd
Current assignee: PENGWEI (XIAMEN) INDUSTRIAL Co Ltd
Priority date: 2008-06-26
Filing date: 2008-06-26
Publication date: 2009-04-29
Anticipated expiration: 2018-06-26

Abstract

The utility model discloses a ball valve, which comprises a valve body, a valve core, a valve stem and a handle, wherein the valve core is assembled in the valve body, the valve stem is mounted on the valve core, the handle is fixed on the valve stem, an O-shaped rubber ring, a snap pad and a copper sleeve are mounted at the water inlet end of the valve body, the O-shaped rubber ring is tightly engaged with the inner wall of the water inlet end and the outer wall of a water inlet pipe at the water inlet end, the snap pad clamps the water pipe, and the copper sleeve sleeved on the water inlet pipe is fixedly sleeved at the water inlet end of the valve body. The structure of the utility model brings great convenience for connection of the ball valve and the water inlet pipe, and guarantees the sealing performance of connection.

Description

A kind of ball valve

Technical field

The utility model relates to the technical field of bathroom water pipe with ball valve, and is relevant with the feed-water end structure improvement of ball valve connection sanitary bath equipment especially.

Background technique

In the prior art, the bathroom water pipe with ball-valve structure roughly as shown in Figure 1, mainly form by valve body 10, spool 20, valve rod 30 and handle 40, spool 20 is assembled in the valve body 10, and valve rod 30 is installed on the spool 20, and handle 40 is fixed on the valve rod 30 by screw 50, in order to guarantee the sealing of product, water intake and water outlet at spool 20 are equipped with pad 60 respectively, and O type rubber ring 70 also is housed between valve rod 30 and valve body 10, and this is the common structure of ball valve.For the ease of ball valve and intake pipe, outlet pipe connects, usually in the feed-water end and the waterexit end of valve body 10 collar 80 is installed, locking nut 90 and water output connector 100, when intake pipe is plugged on the feed-water end of valve body 10, by screwing locking nut 90, make collar 80 block intake pipe, guarantee being connected and sealing of intake pipe and valve body 10, and water output connector 100 is fixed on the waterexit end of ball valve by screw-thread fit, when outlet pipe is plugged on the waterexit end of valve body 10, by screwing locking nut 90, make collar 80 block outlet pipe, guarantee being connected and sealing of outlet pipe and valve body 10.

Anatomize said structure, be not difficult to find:

No matter intake pipe or outlet pipe, when being connected with valve body 10, all be to make collar 80 block intake pipe or outlet pipe is realized by locking nut 90, because collar 80 and intake pipe all are copper, the hard difficult sealing of leaning on copper collar 80 and copper intake pipe is to guarantee the sealing of joint, in order to guarantee sealing as far as possible, firmly screw locking nut 90 by spanner or other instrument usually, it is very inconvenient to screw action, when particularly being connected with intake pipe, because intake pipe often is embedded in the body of wall in advance, installing space is little, so, the installation of intake pipe especially bothers, and, the infiltration phenomenon appears easily, and the installation quality difficulty reaches a standard.

In view of this, the present invention improves the feed-water end structure of existing ball valve, is intended to make things convenient for being connected and guaranteeing sealing of ball valve and intake pipe, and this case produces thus.

The model utility content

In order to address the above problem, the purpose of this utility model is to provide a kind of ball valve, makes it to be connected with intake pipe more convenient, and guarantees the sealing that connects.

To achieve these goals, solution of the present utility model is as follows:

A kind of ball valve, comprise valve body, spool, valve rod and handle, spool is assembled in the valve body, valve rod is installed on the spool, handle is fixed on the valve rod, and the feed-water end of valve body is installed O type rubber ring, card pad and copper sheathing, and wall forms and closely cooperates outside the intake pipe of the inwall of O type rubber ring and feed-water end, insertion feed-water end, card pad blocks intake pipe, copper sheathing be set on the intake pipe and fixed cover on the feed-water end of valve body.

Form two grooves on the feed-water end inwall of described valve body, two O type rubber rings are placed on respectively in two grooves.

The running-on place of the described copper sheathing formation edge clipping that inwardly contracts, the feed-water end of valve body then forms Ka Tai, and copper sheathing is to be enclosed within on the feed-water end of valve body, and blocks the snap-fit of Ka Tai by this edge clipping, and copper sheathing is fixed on the feed-water end.

Described card spacer has ring two-part in the plane outer shroud and the conical surface, and ring tilts along the intake pipe direction of insertion in the conical surface, and the card pad blocks intake pipe by ring in the conical surface.

The feed-water end of described valve body forms the step trough of placing the card pad, and the plane outer shroud of card pad is taken and put on the step of step trough, and ring is in the gap of step trough in the conical surface.

Between described card pad and the copper sheathing pad is installed also.

Described pad is a rubber sheet gasket.

Described pad is the taper pad, the taper pad has plane pad and conical surface pad two-part, conical surface pad protrudes the peritreme place be formed on plane pad along the intake pipe direction of insertion, and plane pad pad is on copper sheathing, on conical surface pad pad encircles in the conical surface of card pad and be coated on the intake pipe.

The feed-water end of described valve body also forms the flange that supports location taper pad, and the plane pad of taper pad is interposed between this flange and the copper sheathing.

After adopting such scheme, the utility model is at the feed-water end of valve body O type rubber ring to be installed, card pad and copper sheathing, replace collar of the prior art and locking nut, sealing between O type rubber ring and the copper intake pipe can guarantee the sealing of the feed-water end and the intake pipe of valve body well, avoid the phenomenon that seeps water, simultaneously, this being sealed and matched do not need to use other instrument can finish assembling, and, utilize the card pad to block intake pipe, can guarantee being connected firmly of intake pipe and valve body, so, even it is more convenient that intake pipe is installed, guarantee installation quality.

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Description of drawings

Fig. 1 is the structural representation of ball valve in the prior art;

Fig. 2 is the utility model one embodiment's a decomposing schematic representation;

Fig. 3 is the utility model one embodiment's a combination schematic representation;

Fig. 4 is the utility model one embodiment's a combination appearance figure;

Fig. 5 is the action schematic representation that the utility model one embodiment is connected with intake pipe;

Fig. 6 is the use schematic representation that the utility model one embodiment is connected with intake pipe;

Fig. 7 is the partial enlarged drawing of Fig. 6;

Fig. 8 is another embodiment's of the utility model a combination appearance figure.

Embodiment

As Fig. 2, Fig. 3, shown in Figure 4, be preferred embodiment of the present utility model.

A kind of ball valve that this embodiment discloses, comprise valve body 1, spool 2, valve rod 3 and handle 4, spool 2 is assembled in the valve body 1, valve rod 3 is installed on the spool 2, handle 4 is fixed on the valve rod 3 by screw 5, in order to guarantee the sealing of product, at the water intake and the water outlet of spool 2 pad 6 is housed respectively, O type rubber ring 7 also is housed between valve rod 3 and valve body 1, and this is the common structure of ball valve.

The improvement of this case is: at the feed-water end of valve body 1 O type rubber ring 11, card pad 12 and copper sheathing 14 are installed, are used to replace collar 80 of the prior art and locking nut 90.

Cooperate Fig. 6 and shown in Figure 7, wall all forms and closely cooperates outside the intake pipe 200 of the inwall of O type rubber ring 11 and feed-water end, insertion feed-water end, spills from here to prevent liquid, guarantees the sealing of assembling.This embodiment guarantees sealing with two O type rubber rings 11, specifically is to be placed on respectively in two grooves 15 at 15, two O types of two grooves of formation rubber ring 11 on the feed-water end inwall of valve body 1, so that O type rubber ring 11 assembles and avoids coming off and lose.

Card pad 12 blocks intake pipe 200, produces friction by the inner ring of card pad 12 with the interference fit between the intake pipe 200, prevents that intake pipe 200 from deviating from from ball valve under hydraulic action, guarantees the soundness of connection.This embodiment's card pad 12 further has ring 122 two-part in the plane outer shroud 121 and the conical surface, ring 122 tilts along the direction that intake pipe 200 inserts in the conical surface, the two-part structure that corresponding this embodiment of the feed-water end of valve body 1 blocks pad 12 then forms the step trough 17 of placing this card pad 12, the plane outer shroud 121 of card pad 12 is taken and is put on the step 171 of step trough 17, ring 122 is in the gap of step trough 17 in the conical surface, card pad 12 blocks intake pipe 200 by ring 122 in the conical surface, and this blocking dynamics is tighter, more firm.

Copper sheathing 14 is set on the intake pipe 200, and fixed cover is on the feed-water end of valve body 1.This embodiment inwardly contracts at the running-on place of copper sheathing 14 to form edge clipping 141 and (see Fig. 3, and shown in Figure 4 be the state that copper sheathing 14 is enclosed within on the feed-water end, inwardly do not contract as yet in the running-on place), feed-water end at valve body 1 then forms card platform 16, when copper sheathing 14 is enclosed within on the feed-water end of valve body 1, block the snap-fit of card platform 16 by this edge clipping 141, copper sheathing 14 is fixed on the feed-water end.This chucking assembling does not need to use other instrument to finish.

In order to make the intake pipe assembling have more soundness, this embodiment further also is equipped with a pad 13 between card pad 12 and copper sheathing 14, and this pad 13 is a rubber sheet gasket.This embodiment is designed to the taper pad with pad 13, have plane pad 131 and conical surface pad 132 two-part, conical surface pad 132 is to protrude the peritreme place that is formed on plane pad 131 along the direction that intake pipe 200 inserts, for easy to assembly, this embodiment also forms flange 18 at the feed-water end of valve body 1, and this flange 18 is used for the taper pad is supported, locatees.During assembling, plane pad 131 be sandwiched between between this flange 18 and the copper sheathing 14 and liner on copper sheathing 14,132 liners of conical surface pad are in the conical surface of card pad 12 on the ring 122 and be coated on the intake pipe 200.The frictional force to intake pipe 200 simultaneously, is strengthened in position between these pad 13 all right fixed card pads 12 and the copper sheathing 14, and assurance intake pipe 200 can not be subjected to hydraulic action easily and come off, and guarantees the sealing of connection.

After above-mentioned assembling, as shown in Figure 3.When the utility model is used for being connected with intake pipe 200, as shown in Figure 5 and Figure 6, intake pipe 200 is aimed at the feed-water end of valve bodies 1 after the application of force to inserting fully, promptly finish being connected of intake pipe 200 and ball valve, attended operation need be by other instrument, and is very convenient.After the connection, sealing between O type rubber ring 11 and the copper intake pipe 200 can guarantee the sealing of the feed-water end and the intake pipe 200 of valve body 1 well, this being sealed and matched do not need to regulate again, further increase the number and the pad 13 of O type rubber ring 11, can guarantee the sealing that connects, avoid the phenomenon that seeps water, and, utilize card pad 12 and pad 13 to block intake pipe 200, can guarantee being connected firmly of intake pipe 200 and valve body 1, guarantee installation quality.

In addition, this embodiment is after connecting use, if desire maintenance or change member and when needing dismounting intake pipe 200, only need the feed-water end extruding of copper sheathing 14 to valve body 1 pressed to card pad 12 by copper sheathing 14 with pad 13, at this moment, the interior ring 122 of the conical surface that the conical surface pad 132 of pad 13 will block pad 12 struts, remove ring 122 coating blockings in the conical surface, and then intake pipe 200 can be extracted out, make things convenient for the maintenance and the exchange of member with intake pipe 200.

Again as shown in Figure 8, application of the present utility model is not limited to the side shown in the previous embodiment is advanced, side goes out straight line turnover ability of swimming ball valve, the utility model also can be applied to side advance, on the broken line turnover ability of swimming ball valve that goes out, or the ball valve of other specifications and models.

Key of the present utility model is the improvement at the ball valve feed-water end, waterexit end as for valve body 1, both collar 8, locking nut 9 and water output connector 101 can be installed still as prior art, also can be as the utility model, adopt O type rubber ring 11, card pad 12 and copper sheathing 14 to replace collar 80 and locking nut 90, this structure is identical with being connected of aforementioned intake pipe 200 with effect, and this paper does not do and gives unnecessary details.

The foregoing description only is used to the inventive concept of the present utility model of explaining, but not to the qualification of the utility model rights protection, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should fall into protection domain of the present utility model.

Claims

1, a kind of ball valve, comprise valve body, spool, valve rod and handle, spool is assembled in the valve body, valve rod is installed on the spool, handle is fixed on the valve rod, it is characterized in that: the feed-water end of valve body is installed O type rubber ring, card pad and copper sheathing, and wall forms and closely cooperates outside the intake pipe of the inwall of O type rubber ring and feed-water end, insertion feed-water end, card pad blocks intake pipe, copper sheathing be set on the intake pipe and fixed cover on the feed-water end of valve body.

2, a kind of ball valve as claimed in claim 1 is characterized in that: form two grooves on the feed-water end inwall of valve body, two O type rubber rings are placed on respectively in two grooves.

3, a kind of ball valve as claimed in claim 1, it is characterized in that: the running-on place of the copper sheathing formation edge clipping that inwardly contracts, the feed-water end of valve body then forms Ka Tai, and copper sheathing is to be enclosed within on the feed-water end of valve body, and block the snap-fit of Ka Tai by this edge clipping, copper sheathing is fixed on the feed-water end.

4, a kind of ball valve as claimed in claim 1 is characterized in that: the card spacer has ring two-part in the plane outer shroud and the conical surface, and ring tilts along the intake pipe direction of insertion in the conical surface, and the card pad blocks intake pipe by ring in the conical surface.

5, a kind of ball valve as claimed in claim 4 is characterized in that: the feed-water end of valve body forms the step trough of placing the card pad, and the plane outer shroud of card pad is taken and put on the step of step trough, and ring is in the gap of step trough in the conical surface.

6, a kind of ball valve as claimed in claim 4 is characterized in that: between card pad and the copper sheathing pad is installed also.

7, a kind of ball valve as claimed in claim 6, it is characterized in that: pad is the taper pad, the taper pad has plane pad and conical surface pad two-part, conical surface pad protrudes the peritreme place that is formed on the plane pad along the intake pipe direction of insertion, plane pad pad is on copper sheathing, and conical surface pad pad is in the conical surface of card pad on the ring and be coated on the intake pipe.

8, a kind of ball valve as claimed in claim 7 is characterized in that: the feed-water end of valve body also forms the flange that supports location taper pad, and the plane pad of taper pad is interposed between this flange and the copper sheathing.

9, a kind of ball valve as claimed in claim 1 is characterized in that: between card pad and the copper sheathing pad is installed also.

10, as claim 6 or 9 described a kind of ball valves, it is characterized in that: pad is a rubber sheet gasket.