CN2586026Y

CN2586026Y - Angle valve

Info

Publication number: CN2586026Y
Application number: CN 02288173
Authority: CN
Inventors: 屠申波
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-11
Filing date: 2002-12-11
Publication date: 2003-11-12
Anticipated expiration: 2012-12-11

Abstract

The utility model provides an angle valve belonging to the technical field of a valve. The utility model solves the problem that the angle valve having the existing structure has the disadvantages of poor sealing performance, complicated structure and high product cost. The angle valve comprises a valve body provided with a water inlet connecting pipe and a water outlet connecting pipe; the interior of the valve body is provided with a valve rod, wherein, the outer end of which is extended out of the valve body and is connected with a handle; a sealing ring is arranged between the middle of the valve rod and the valve body; the inner end of the valve rod is provided with a sealing body; the sealing body and the valve rod are fixedly connected together. The inner side surface of the valve body is a cylinder surface, and a pipe opening of the inner end of the water outlet connecting pipe is arranged on the inner side surface of the valve body. The sealing body is provided with a cylinder working surface which is abutted to the inner side surface of the valve body, and the cylinder working surface is contacted with one part of the inner side surface of the valve body. The valve rod, a valve core and a clamp strip are integrally connected and are formed in one step. The angle valve uses the matching of the sealing body and the inner side surface of the valve body to control the angle valve to open and close and has the characteristics of good sealing performance and strong wear resistance, and the service life of a product can be extended.

Description

Angle valve

Technical field

The utility model belongs to valve technology field, particularly a kind of angle valve.

Background technique

In tap water pipe line, angle valve is located between water pipe and the water tap usually, is used to open or close the water source inflow of water tap.Simultaneously, when damaging appears in water tap, can close angle valve, so that the repairing of water tap or replacing.

Existing angle valve structure as shown in Figure 5, it comprises a valve body 1, have on the valve body 1 into water take over 3 and water outlet take over 4, a valve rod 2 is arranged in the valve body 1, valve rod 2 passes valve body 1, its outer end connects with handle 5.In water outlet is taken over a seal ring 10 is housed, this seal ring 10 is fixed by a pressure cap 9.The inner of seal ring 10 is close on the arcuate surface of valve rod 2 the inners, makes between valve rod 2 surfaces and the seal ring 10 and remains sealing state.Rotation valve rod 2, when osculum on the valve rod 2 24 and seal ring 10 were in the bedded position, current could be taken over 4 from water outlet and flow out from by behind the mesopore of water inlet adapter 3 by this osculum 24 and seal ring 10, and promptly angle valve is in opening state; If the osculum on the valve rod 2 24 is not in the bedded position with seal ring 10, then current can't pass through seal ring 10, and angle valve also just is in closed condition.

Although the angle valve of existing structure is widely used, exist many deficiencys in actual use.Mainly show:

1, seals owing to only relying on seal ring to contact with a round wire of stem surface, use a period of time and when aging or when the space appears in a certain point of contact with stem surface, be easy to generate leakage at seal ring, cause the sealability of angle valve relatively poor, directly influence the working life of angle valve.

2, common angle valve is interior except valve rod, also needs a seal ring that matches with valve rod and the pressure cap that is used for fixing seal ring, and its structure is complicated, assembling trouble during production.

3, generally, metallic material such as valve rod employing copper are made, and its cost is higher, influences the competitiveness of product in market.

Summary of the invention

The purpose of this utility model is in order to address the above problem, a kind of angle valve of novel structure to be provided, and makes it have that good seal performance, product cost are low, the characteristics of production technology advantages of simple.

The purpose of this utility model realizes by following technical proposal: this angle valve comprises a valve body, there are into water adapter and water outlet to take on the valve body, a valve rod is arranged in the valve body, the outer end of valve rod is stretched out valve body and is connected with handle, be provided with seal ring between the middle part of valve rod and the valve body, the inner of valve rod is provided with a seal, seal and valve rod are fixed together, the inner side surface of valve body is the cylndrical surface, water outlet is taken over the inner mouth of pipe and is positioned on the valve body inner side surface, and a column working of being close on the valve body inner side surface is arranged on the above-mentioned seal.

In use, the water inlet adapter on the angle valve connects with the intake pipe of pipeline, and the water outlet adapter connects with the outlet pipe of pipeline.Handle can drive the rotation of valve rod, the position of seal in the control valve body.On seal, have only its column working to contact with the inner side surface of valve body.

The part of column working contact valve body inner side surface.

This angle valve is to utilize the switching of controlling seal and cooperating of valve body inner side surface angle valve.Particularly, work as handle with sleeve, when making column working on the seal be in water outlet to take over the position of the inner mouth of pipe, current can not outwards be taken over by water outlet and flow out, and promptly this angle valve is in closed condition; Work as handle with sleeve, when making column working on the seal depart from water outlet to take over the position of the inner mouth of pipe, current just can outwards flow out by effluent pipe mouth, and promptly angle valve is on state.Column working on the seal departs from water outlet, and to take over the position of the inner mouth of pipe many more, and angle valve is also just opened greatly more.

In above-mentioned angle valve, a fuse is being fixed in described valve rod the inner, and above-mentioned seal is cylindrical, and is socketed on this fuse.

Usually, above-mentioned seal employing rubber is that material is made.

In above-mentioned angle valve, described fuse sidepiece is also being fixed a card article, and the part of seal is embedded between card article and the fuse.

Usually, above-mentioned valve rod and the fuse and the card article that are fixed on the valve rod all adopt plastics to make, and valve rod, fuse and card article are connected as a single entity, disposable shaping.

The advantage of this angle valve is:

1, since between seal and the valve body inner side surface in the angle valve for face contacts, compare with the line contact sealing between the seal ring with common angle valve valve rod, have good seal performance, characteristics that wear resistance is strong, can prolong the working life of product.

2, valve rod of this angle valve and fuse, card article can adopt the disposable shaping of plastics, so production technology is simple, product cost is low, and simultaneously can also energy saving.

3, because this angle valve has omitted common pressure cap and seal ring, as long as directly valve rod is inserted in the valve body, the cover upper handle get final product, so assemble during production very easily, can improve work efficiency.

Description of drawings

Fig. 1 is the cross-sectional view of the angle valve that provides of the utility model.

Fig. 2 is the front view of valve rod in the angle valve that provides of the utility model.

Fig. 3 is the side view of valve rod in the angle valve that provides of the utility model.

Fig. 4 is the stereogram that valve rod is connected with seal in the angle valve that provides of the utility model.

Fig. 5 is the cross-sectional view of common angle valve.

Among the figure, 1, valve body; 11, inner side surface; 2, valve rod; 21, fuse; 22, card article; 23, boss; 24, osculum; 3, water inlet is taken over; 4, water outlet is taken over; 41, the inner mouth of pipe; 5, handle; 6, seal; 61, column working; 7, ○Xing Mifengquan; 8, screw; 9, pressure cap; 10, seal ring.

Embodiment

As shown in Figure 1, this angle valve comprises parts such as valve body 1, valve rod 2, handle 5, water inlet adapter 3 and water outlet adapter 4.Water inlet adapter 3 is taken over 4 with water outlet and is met at right angles, and is connected on the tap water pipe line respectively.Valve rod 2 is positioned at valve body 1, and valve body 1 is stretched out in its outer end, connects with handle 5.By screw 8, handle 5 is fixed on the valve rod 2.Therefore, handle with sleeve 5 just can drive valve rod 2 and rotate together.

As shown in Figure 1, between the middle part of valve rod 2 and valve body 1, be provided with ○Xing Mifengquan 7, leak from the valve rod 2 and the contacting point of valve body 1 to prevent water stream.

The inner side surface 11 of valve body 1 is the cylndrical surface, and water outlet is taken over the 4 inner mouths of pipe 41 and is positioned on the valve body inner side surface 11.Compare with existing common angle valve, in this angle valve because other parts such as no seal rings are taken in 4 in water outlet, so the water outlet of locating take over the 4 inner mouth of pipe 41 sizes can be less, will help sealing.

As shown in Figures 2 and 3, there are fuse 21 and card article 22 in the inner of valve rod 2.In the present embodiment, valve rod 2, fuse 21 and card article 22 are connected as a single entity, and are to adopt the disposable shaping of plastics.

As shown in Figure 4, seal 6 is the cylinder-like structures that adopt rubber to make, and directly is socketed on the fuse 21.As shown in Figure 3, also has boss 23 in the front portion of fuse 21.After seal 6 was placed on the

fuse

21,23 barrier effects of this boss prevented that seal 6 breaks away from fuse 21.

The card article 22 of fuse 21 sidepieces also is sandwiched on the seal 6, and seal 6 is played positioning action.In addition, as shown in Figure 1, the outer end roof pressure of card article 22 is on the inner side surface 11 of valve body 1.The reaction force that utilizes the elasticity of plastics own to be produced makes seal 6 be close to the inner side surface 11 of valve body 1, to obtain excellent sealing performance.

As shown in Figure 4, seal 6 is column working 61 that match with valve body 1 inner side surface 11 with respect to the outer side surface of card article 22.This column working 61 contacts with the inner side surface 11 of valve body 1.When rotation valve rod 2 during to the appropriate location, the 4 inner mouths of pipe 41 are taken in the water outlet that column working 61 can cover on valve body 1 inner side surface 11 fully, and this moment, angle valve was in complete closing state; And when rotation valve rod 2 during to another appropriate location, column working 61 can be in the position that the 4 inner mouths of pipe 41 are taken in the water outlet that departs from fully on valve body 1 inner side surface 11, and this moment, angle valve also just was in the state of complete opening.Therefore, this angle valve is exactly to utilize the change in location of seal 6 column working 61 at valve body 1 inner side surface 11, changes the open and-shut mode of angle valve.

Claims

1, a kind of angle valve, comprise a valve body (1), there are into water adapter (3) and water outlet to take over (4) on the valve body (1), a valve rod (2) is arranged in the valve body (1), the outer end of valve rod (2) is stretched out valve body (1) and is connected with handle (5), be provided with seal ring (7) between the middle part of valve rod (2) and the valve body (1), the inner that it is characterized in that described valve rod (2) is provided with a seal (6), seal (6) is fixed together with valve rod (2), the inner side surface (11) of valve body (1) is the cylndrical surface, water outlet is taken over (4) inner mouth of pipe (41) and is positioned on valve body (1) inner side surface (11), and a column working (61) of being close on valve body (1) inner side surface (11) is arranged on the above-mentioned seal (6).

2, angle valve according to claim 1 is characterized in that described column working (61) contacts the part of valve body (1) inner side surface (11).

3, angle valve according to claim 2 is characterized in that described valve rod (2) the inner fixing a fuse (21), and above-mentioned seal (6) is cylindrical, and is socketed on this fuse (21).

4,, it is characterized in that it is that material is made that described seal (6) adopts rubber according to claim 1,2 or 3 described angle valves.

5, angle valve according to claim 3 is characterized in that described fuse (21) sidepiece fixing a card article (22), and the part of seal (6) is embedded between card article (22) and the fuse (21).

6, angle valve according to claim 5 is characterized in that described valve rod (2) and the fuse (21) and the card article (22) that are fixed on the valve rod (2) all adopt plastics to make, and valve rod (2), fuse (21) and card article (22) are connected as a single entity disposable shaping.

7,, it is characterized in that there is boss (23) front portion of described fuse (21) according to claim 3,5 or 6 described angle valves.

8, according to claim 5 or 6 described angle valves, the outer end roof pressure that it is characterized in that described card article (22) is on the inner side surface (11) of valve body (1).