CN2510684Y

CN2510684Y - Improved ball valve

Info

Publication number: CN2510684Y
Application number: CN 01259882
Authority: CN
Inventors: 齐龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-08-23
Filing date: 2001-08-23
Publication date: 2002-09-11
Anticipated expiration: 2011-08-23

Abstract

The utility model relates to an improved ball valve, comprising a body and a connecting sleeve which are both independent. A rotary shaft is arranged in the body. A valve ring loop is arranged on the bottom of the rotary shaft. A connecting part is formed in the opening of the lateral end of the body. A butt joint part is arranged at the opening of the lateral end of the connecting sleeve. The butt joint part can be butt joint with the lateral end connecting part of the body and the two parts can be hot melted and consolidated integrally. Therefore, the utility model can simplify design of the mould and make production and assembly process easier, reliable and fast.

Description

The improved type ball valve

Technical field

The utility model relates to the valve in a kind of common engineering domain engineering parts, particularly relates to a kind of independent component out of the ordinary with body, convergence set, and can elasticity be assembled into the improved type ball valve of ball valve.

Background technique

Ball-valve structure is widely used in pipeline and continues, and ball valve can be used as the switch of fluid in the pipeline, and can the pilot line flow or with its rotary closing, and the fluid flow in the pipeline can be interrupted.Now common universal ball valve made of plastic mainly contain following two kinds of basic structure forms.

See also shown in Figure 5, be the existing ball valve made of plastic (5) of one in the ball valve of commonly using with the screw thread combination, it mainly is the one-body molded valve body (50) that goes out, insert valve bulb stopper (52) and rotating shaft (51) after this valve body (50) moulding, again in both sides in the worm structure mode in conjunction with sleeve pipe (53), and above rotating shaft (51), finish assembling in conjunction with handle (54), pipeline can be connected with the convergence set (53) of ball valve made of plastic (5) in a suitable manner mutually.

See also shown in Figure 6, be another now use with integrated ball valve made of plastic (6), it mainly is to mold valve bulb stopper and rotating shaft (61) earlier, again in-mold molding is inserted in valve bulb stopper and rotating shaft (61) and go out valve body (60), and above rotating shaft (61), finish assembling in conjunction with handle (62), body (63) can be connected with the sleeve pipe of ball valve (6) both sides in a suitable manner mutually.

This ball valve made of plastic (5) or ball valve made of plastic (6) are applied to flowers and general crop sprinkler system or chemicals pipe-line system usually.By this, can ball valve made of plastic (5) or ball valve made of plastic (6) as the switch of this pipeline, and can carry out flow control for the fluid in this pipeline.

Above-mentioned ball valve made of plastic (5) structure, both sides and convergence set (53) at valve body (50) must carry out screw thread car system, and be generally comparatively time-consuming on making, and cost is higher.And above-mentioned ball valve made of plastic (6) structure must be placed in in-mold molding valve body (60) with valve bulb stopper and rotating shaft (61), has also increased difficulty in making and dangerous.This shows that above-mentioned existing ball valve still has many defectives, and the assistant officer waits to be improved.

Because above-mentioned existing ball-valve structure is to the greatest extent insuperior in design, the design people is actively studied innovation, through constantly studying, designing based on abundant practical experience and professional knowledge, and through repetition test and after improving, development finally creates the utility model that has practical value.

The model utility content

The utility model main purpose is, a kind of improved type ball valve is provided, make it comprise independent components such as body and convergence set, rotating shaft is set in the body, and the rotating shaft bottom is provided with the valve bulb stopper, and the base side end opening forms the joining portion, convergence set side opening forms the end-to-end joint part, the end-to-end joint part can butt up against base side end joining portion and in addition fixed in the thermal fusion welding mode, and the danger in the operation can be significantly enhanced productivity and be reduced in design by this.

The utility model purpose is realized by following technological scheme.Improved type ball valve according to the utility model proposes comprises body and convergence set, wherein: this body, rotating shaft is set in the body, the rotating shaft bottom is provided with the valve ring, and the base side end opening forms and is provided with the joining portion; This convergence set, its side opening form and are provided with the end-to-end joint part, and it is an integral body that this end-to-end joint part butts up against base side end joining portion and thermal fusion welding fixed.

Aforesaid improved type ball valve, wherein the joining portion of base side end opening formation is that side engagement portion formation is provided with protruding edge fit, side engagement portion forms and is provided with the welding flange in addition.

Aforesaid improved type ball valve, wherein the formed end-to-end joint part of convergence set side opening is to form to be provided with flanged lip, the opening end internal face of flange avris form be provided with around abutment end, the end-to-end joint part of convergence set butts up against base side end joining portion, the protruding edge fit at this base side end joining portion inserts the convergence set end-to-end joint part, and protruding edge fit end is resisted against on the abutment end.

Aforesaid improved type ball valve, wherein the formed end-to-end joint part of convergence set side opening is to form to be provided with flanged lip, the flanged lip end face extends abutment end forward, the welding flange at this base side end joining portion inserts the flanged lip end face of convergence set end-to-end joint part, and body openings is sheathed on, and thermal fusion welding is an integral body on the abutment end.

The utility model compared with prior art has tangible advantage.By above technological scheme as can be known, the utlity model has separately independently body and convergence set, rotating shaft and valve bulb stopper are set in the body, the base side end opening forms the joining portion, and convergence set side opening forms the end-to-end joint part, and the end-to-end joint part can butt up against base side end joining portion and in addition fixed in the thermal fusion welding mode, by this, and can simplify mold design, make the production and assembly process, reach simpler, reliably, practical application fast.

Therefore, detailed description via said structure feature and compound mode, can know and find out the utility model design, have separately independently body and convergence set, rotating shaft and valve bulb stopper are set in the body, that is design of the present utility model, the existing ball valve problem of commonly using more can effectively be solved, making the application of ball valve have more practical effect, really is a new and innovative, progressive, practical new design.

Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Description of drawings

Fig. 1 is the utility model three-dimensional exploded view.

Enforcement illustration when Fig. 2 is the utility model winding.

Fig. 3 is a composite structure sectional view of the present utility model.

Fig. 4 is a STRUCTURE DECOMPOSITION schematic representation of the present utility model.

The existing composite structure sectional view of commonly using ball valve of Fig. 5.

Another existing composite structure sectional view of commonly using ball valve of Fig. 6.

(1) ball valve made of plastic

(10) body (11) rotating shaft

(12) valve bulb stopper (13) convergence set

(14) convergence set (15) handle

(21) flanged lip (22) annular groove

(23) abutment end (24) welding flange

(25) protruding edge fit (26) welding flange

(30) body

(41) abutment end (42) flanged lip

(5) ball valve made of plastic

(50) valve body (51) rotating shaft

(52) valve bulb stopper (53) convergence set

(54) handle (55) body

(6) ball valve made of plastic

(60) valve body (61) bulb stopper and rotating shaft

(62) handle (63) body

Embodiment

Below in conjunction with accompanying drawing and preferred embodiment, to according to its concrete structure of improved type ball valve, feature and the effect thereof that the utility model proposes, describe in detail as after.

See also shown in Figure 1, the utility model improved type ball valve, wherein, ball valve made of plastic (1) is made up of the independent component of body (10) and convergence set (13), (14), wherein:

This body (10), rotating shaft (11) wherein is set, rotating shaft (11) bottom is provided with valve bulb stopper (12), rotating shaft (11) top is provided with handle (15), rotatable rotating shaft (11) is to change the direction of valve bulb stopper (12), body (10) side opening forms the joining portion, and this joining portion can form and be provided with protruding edge fit (25) and welding flange (24).

This convergence set (13), one side opening end forms the end-to-end joint part, this end-to-end joint part is to form to be provided with flanged lip (21), form in the flanged lip (21) be provided with around annular groove (22), the opening end internal face of flanged lip (21) side then form be provided with around abutment end (23), when the abutment end (23) of convergence set (20) can be inserted for the protruding edge fit (25) of body (10) one side engagement portion in addition against, the joining portion of body (10) one sides then can supply the welding flange (24) of convergence set (13) to rotate the welding of friction mode.

See also Fig. 2, shown in Figure 4, body (10) is fixed with the assembling of convergence set (13), body (10) and convergence set (13) can be placed in the anchor clamps of hot-melting machine, make the flanged lip (21) of convergence set (13) end-to-end joint part be set in the protruding edge fit (25) at body (10) joining portion, and make body (10) joining portion and convergence set (13) end-to-end joint part involutory, and impose body (10) high speed rotating and convergence set (13) pressuring method downwards, welding flange (24) end-to-end joint part that makes convergence set (13) is because of friction generates heat melting, promptly be consolidated in after the cooling on the joining portion of body (10) side, and make the end of protruding edge fit (25) be resisted against the abutment end (23) of convergence set (13).

See also Fig. 2, shown in Figure 3, wherein, the thermal fusion welding position of body (10) and convergence set (13), be to be shaped to protruding edge fit (25) or welding flange (26) and different according to body (10) two side engagement portion, for example among Fig. 2, body (10) one side engagement portion are to be inserted in convergence set (13) flanged lip (21) opening with protruding edge fit (25), make protruding edge fit (25) end can be resisted against abutment end (23); And set convergence set (14) on other side engagement portion of body as shown in Figure 3 (10), form flanged lip (42) on its end-to-end joint part, flanged lip (42) end face extends abutment end (41) forward, make body (10) hold the welding flange (26) at joining portion can insert flanged lip (42) end face of convergence set (14) end-to-end joint part in addition, and body (10) opening sleeve is located at thermal fusion welding in addition on the abutment end (41), and the application of the ball valve made of plastic that is constituted (1), then body (30) can be plugged in desire to connect the convergence set of establishing (13), (14) in, the pipeline that makes body (30) continue and be formed can carry out flow control by ball valve made of plastic (1).

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of improved type ball valve is characterized in that it comprises body and convergence set, wherein:

This body is provided with rotating shaft in the body, the rotating shaft bottom is provided with the valve ring, and the base side end opening forms and is provided with the joining portion;

This convergence set, its side opening form and are provided with the end-to-end joint part, and it is an integral body that this end-to-end joint part butts up against base side end joining portion and thermal fusion welding fixed.

2, improved type ball valve according to claim 1 is characterized in that the joining portion that wherein said base side end opening forms, and is that side engagement portion formation is provided with protruding edge fit, and side engagement portion forms and is provided with the welding flange in addition.

3, improved type ball valve according to claim 1 and 2, it is characterized in that the formed end-to-end joint part of wherein said convergence set side opening is to form to be provided with flanged lip, the opening end internal face of flange avris form be provided with around abutment end, the end-to-end joint part of convergence set butts up against base side end joining portion, the protruding edge fit at this base side end joining portion inserts the convergence set end-to-end joint part, and protruding edge fit end is resisted against on the abutment end.

4, improved type ball valve according to claim 1 and 2, it is characterized in that the formed end-to-end joint part of wherein said convergence set side opening is to form to be provided with flanged lip, the flanged lip end face extends abutment end forward, the welding flange at this base side end joining portion inserts the flanged lip end face of convergence set end-to-end joint part, and body openings is sheathed on, and thermal fusion welding is an integral body on the abutment end.