CN203348614U - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN203348614U CN203348614U CN 201320393892 CN201320393892U CN203348614U CN 203348614 U CN203348614 U CN 203348614U CN 201320393892 CN201320393892 CN 201320393892 CN 201320393892 U CN201320393892 U CN 201320393892U CN 203348614 U CN203348614 U CN 203348614U
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- Prior art keywords
- valve
- ball valve
- handle
- spacing block
- ball
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- Expired - Lifetime
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Abstract
The utility model provides a ball valve, belongs to the technical field of valves, and solves problems that limit structures in prior ball valves are not attractive in appearance and hands of users are prone to be clamped by handles during usage. A handle of the ball valve comprises a holding portion and a connection portion, wherein the connection portion is arranged at one end of the holding portion and used to be connected with a valve rod, a limit lug which is protruded from the lower surface of the connection portion is arranged on the connection portion, and the limit lug is positioned between the valve rod and an edge of the connection portion. The ball valve further comprises a blocky limit piece which is provided with a limit surface, the limit surface can limit rotation angles of the handle, and the limit lug abuts to the limit surface when the ball valve is fully opened or fully closed. According to the ball valve, the limit lug is formed on the lower surface of the connection portion of the handle and between the valve rod and the edge of the connection portion by pressing the connection portion of the handle, so that fingers of the users are not prone to be clamped during usage of the ball valve, and the ball valve is safe in usage and attractive in appearance.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of ball valve.
Background technique
Ball valve is a kind of cuing open with common valve, and ball valve is directly related with the angle of valve core rotation in complete conducting with while closing this two states fully.That is to say, while by handle, driving valve core rotation, the limit structure that must have a rotation that makes handle to be restricted, just can make handle rotate back valve core can be accurately in unlatching fully or the state of closing fully.
In existing ball valve, normally on handle, be provided with position-limited claw, establish a limiting stopper that plays restriction position-limited claw slewing area on valve body.After handle turns an angle, block position-limited claw by limiting stopper, handle can't be rotated further, to guarantee that ball valve is in opening or closed condition.
For example (application number: 201110316433.4) disclosed a kind of ball valve, its valve body is provided with the limiting stopper matched with handle to the Chinese utility model patent specification.That is to say, its handle is provided with position-limited claw.By position-limited claw and coordinating of limiting stopper carrying out spacing to the switching of ball valve.But, on the one hand, with the valve body of limiting stopper, certain required precision being arranged in design, position-limited claw needs to wash off after stamping-out again, has improved undoubtedly cost of production; And position-limited claw and exposing to the open air in the valve body outside in limiting stopper, affected the attractive in appearance of ball valve; Sometimes also can because of carelessness user's hand be crushed.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of ball valve safer and attractive in appearance that uses.
The purpose of this utility model can realize by following technical proposal: a kind of ball valve, comprise that inside had the valve body of water channel, be arranged on the valve ball in valve body, the handle that is connected to the valve rod of valve ball upper end and is connected in the valve rod upper end, described handle comprises the grip part and the joint in the form of sheets for being connected with valve rod of being located at grip part one end for gripping, it is characterized in that, there is the spacing block set that protrudes from the joint lower surface on described joint, described spacing block set departs from joint edge close valve rod, this ball valve also comprises the bounding means that is block, described bounding means is provided with the confined planes that can limit the handle rotation angle, when ball valve standard-sized sheet or complete shut-down, described spacing block set and confined planes lean.
The setting of the spacing block set of the joint lower surface by handle, and coordinate the setting of limiting stopper upper limit plane, to the switching of ball valve, carry out spacing.Due in this ball valve, spacing block set not as prior art direct by stamping-out on the edge at the handle joint, wash off moulding, but spacing block set is arranged on to the lower surface of handle joint and roughly is positioned at the neutral position at valve rod and joint edge, the disguise of its spacing block set is better, is difficult for jamming a finger; On the other hand, also make this ball valve comparatively attractive in appearance.
In above-mentioned ball valve, described confined planes is located at the sidepiece of bounding means.Confined planes can be the plane be complementary with spacing block set, with the axis of valve rod, parallels.Confined planes also can be other shape that can realize limiting the handle rotation angle.
In above-mentioned ball valve, described spacing block set has two, described confined planes has two and be located on two relative sides of bounding means, when ball valve standard-sized sheet or complete shut-down, one of them spacing block set and one of them confined planes lean, and when ball valve standard-sized sheet or complete shut-down, another spacing block set and another confined planes lean.Two spacing block sets are set on the handle joint, and in two sides of bounding means, corresponding two confined planes are set, like this, when ball valve standard-sized sheet or complete shut-down, by two positions on ball valve, the angle of handle is carried out spacingly, therefore, the force part of handle and bounding means also has two, make spacing block set be difficult for being fractureed, and make the work of this ball valve more stable.As optimal way, two spacing block sets are symmetricly set on the joint of handle centered by the axis of valve rod; Two confined planes all are the strip plane, and the two is parallel to each other and is symmetricly set on the both sides of bounding means centered by the axis of valve rod.
In above-mentioned ball valve, described bounding means upper end offers arc groove, described spacing block set is positioned at arc groove, described arc groove two ends all have confined planes, when the ball valve standard-sized sheet, described spacing block set is resisted against on the confined planes of arc groove one end, and when the ball valve complete shut-down, described spacing block set is resisted against on the confined planes of the arc groove the other end.Arc groove also available arc-shaped through-hole substitutes.In the process of rotating at handle, spacing block set is all the time in arc groove.Offer arc groove on bounding means, make the structure of this ball valve more compact, also more attractive in appearance.
In above-mentioned ball valve, described spacing block set has two, the quantity of described arc groove is two, two arc grooves are symmetrical arranged centered by the axis of valve rod, two spacing block sets lay respectively in two arc grooves, when ball valve standard-sized sheet or complete shut-down described two spacing block sets respectively with two arc grooves in confined planes lean.Two spacing block sets are set on the handle joint, and two arc grooves are set on bounding means, like this, when ball valve standard-sized sheet or complete shut-down, by two positions on ball valve, the angle of handle is carried out spacingly, therefore, the force part of handle and bounding means also has two, make spacing block set be difficult for being fractureed, and make the work of this ball valve more stable.As optimal way, two spacing block sets are symmetricly set on the joint of handle centered by the axis of valve rod; Two arc grooves are symmetricly set on bounding means centered by the axis of valve rod.
In above-mentioned ball valve, described bounding means is located at the valve body upper end.In this case, when the valve body moulding, by bounding means directly and valve body one-body molded.
In above-mentioned ball valve, also comprise the bonnet that is connected in the valve body upper end, described valve rod is through described bonnet, and described bounding means is located at the upper end of bonnet.When needs are cleaned valve inner, bonnet can be disassembled from the valve body upper end.Therefore, in the valve body upper end, bonnet is set, is convenient to the cleaning of ball valve.Bonnet is fixed on the valve body upper end various ways.Can bonnet be connected on valve body by clamping bolt, seal by seal ring between bonnet and valve body.In this case, can on bonnet, directly process bounding means, then bonnet is arranged on to the valve body upper end.Bonnet also can be threaded connection with in the valve body upper end, between bonnet and valve body, is provided with seal ring.In this case, the bonnet upper end has the cylindrical structural before a bounding means moulding, first bonnet is arranged on to the valve body upper end, then processes bounding means formation confined planes on bonnet by milling.In this mode, the setting of handle bounding means can be more accurate.
In above-mentioned ball valve, the joint of described handle is rounded, and the size of described bounding means is less than the size of the joint of handle.The meaning that the size of bounding means is less than the size of handle joint is, because the size of the joint of handle is larger, bounding means covered in, and when overlooking this ball valve, can only see the joint of handle and can't see bounding means.Such structure, make the structure of this ball valve comparatively attractive in appearance.
In above-mentioned ball valve, described bonnet is threaded on valve body, the outer-hexagonal structure that the middle part of described bonnet also is provided with, be provided with seal ring between described bonnet and valve body, is provided with the indication convex body of the assembly department side that protrudes from handle on described handle away from an end of grip part.When bonnet is installed, rotate the outer-hexagonal structure on bonnet with inner hexagon spanner, bonnet is threaded on valve body, it is installed more for convenience.The indication convex body plays decorating action on the one hand, makes this ball valve more attractive in appearance, on the other hand, also can play the effect of observing the ball valve open degree.Simultaneously, ball valve be can on valve body or bonnet, be provided with and scale or ball valve open degree sign opened.
In above-mentioned ball valve, also comprise spool, there is the through hole that water channel connects of crossing that makes valve body on described spool, described bonnet is threaded in the spool upper end, described valve ball is located at valve core inside, described valve body by injection moulding directly in spool outside moulding.Spool roughly is tubular, and lower end has the sheet bottom.At the outside molding and forming valve body of spool, reduced manufacturing procedure, make this ball valve comparatively attractive in appearance.During installation, valve ball is down packed into from the spool upper end, the valve rod that is connected on valve ball, then bonnet is set on valve rod.Be threaded between bonnet and spool, the spool upper end is sealed.As another kind of scheme, bonnet is connected on spool or valve body by clamping bolt.
In above-mentioned ball valve, the upper end of the described valve rod jam nut that has been threaded, described jam nut is located at the upside of handle joint, and described spacing block set, by impact briquetting, also is provided with between described jam nut and handle for hiding the pad of the punching hole on the handle joint.Taper knob is located on valve rod.Between the joint of jam nut and handle, pad is set, the user can not directly see the punching press through hole on the joint of handle, makes this ball valve more attractive in appearance.
Compared with prior art, this ball valve has the following advantages:
1, spacing block set at the lower surface of handle joint and be positioned at the position away from the joint edge, makes this ball valve be difficult in use jamming a finger by punching press handle connection shaping, uses safer, also more attractive in appearance.
2, first bonnet is threaded in to the valve body upper end, then forms bounding means in the bonnet upper end by milling, make the spacing comparatively accurate of this ball valve.
The accompanying drawing explanation
Fig. 1 is the perspective view of this ball valve;
Fig. 2 is the sectional view of this valve;
Fig. 3 is the plan view of this valve;
Fig. 4 is the perspective view of bonnet in this valve;
Fig. 5 is the perspective view of handle in this valve;
Fig. 6 is the explosive view of this valve.
In figure, 1, valve body; 2, valve ball; 3, valve rod; 4, handle; 4a, grip part; 4b, joint; 4c, spacing block set; 4d, indication convex body; 5, bounding means; 5a, confined planes; 6, bonnet; 6a, outer-hexagonal structure; 7, spool; 8, jam nut; 9, cross water channel.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figures 1 to 6, a kind of ball valve, comprise the valve rod 3 that inside had the valve body 1 of water channel 9, is connected in spool 7 in valve body 1, is arranged on valve ball 2 in spool 7, is connected with valve ball 2, the handle 4 that is threaded in the bonnet 6 of spool 7 upper ends and is connected in valve rod 3 upper ends.Be provided with seal ring between bonnet 6 and spool 7, between valve ball 2 and spool 7, also be provided with seal ring.The lower end of valve rod 3 is connected in the upper end of valve ball 2, and valve rod 3 is through bonnet 6.The upper end of valve rod 3 is connected with jam nut 8, and jam nut 8 is positioned at handle 4 upsides.Valve body 1 by injection moulding directly in the outside moulding of spool 7.Spool 7 roughly is tubular, and lower end has the sheet bottom.
The lower surface of joint 4b has the spacing block set 4c of protrusion, spacing block set 4c be positioned at depart from joint 4b edge and near valve rod 3 position, the neutral position between valve rod 3 and joint 4b edge roughly.Spacing block set 4c passes through impact briquetting on joint 4b, so can leave over punching hole on joint 4b.Therefore, between jam nut 8 and handle 4, also be provided with for hiding the pad of the punching hole on handle 4 joint 4b.
As shown in Figure 4, the outer-hexagonal structure 6a that the middle part of bonnet 6 also is provided with.When bonnet 6 is installed, rotate the outer-hexagonal structure 6a on bonnet 6 with inner hexagon spanner, bonnet 6 is threaded on valve body 1.
The upper end of bonnet 6 is provided with the bounding means 5 that is flat bulk, and bounding means 5 is provided with the confined planes 5a that can limit handle 4 rotation angles, and when ball valve standard-sized sheet or complete shut-down, spacing block set 4c and confined planes 5a lean.In first being processed, bounding means 5 is cylindric.When producing this ball valve, first bonnet 6 screw threads are arranged on to the spool upper end, then, by Milling Process, will be flat columned bounding means 5 before and carry out milling, form confined planes 5a in its side.The confined planes 5a plane that is rectangle.Confined planes 5a parallels with the axis of valve rod 3.
Except bonnet 6 is threaded in the spool upper end, also can bonnet 6 be connected on valve body 1 or spool 7 by clamping bolt.In this case, can on bonnet 6, directly process bounding means 5, then bonnet 6 is arranged on to valve body 1 or spool 7 upper ends.
Spacing block set 4c has two, these two spacing block set 4c are symmetricly set on the joint 4b of handle 4 centered by the axis of valve rod 3, confined planes 5a has two and be located on bounding means 5 on two relative sides, and these two confined planes 5a are parallel to each other and are symmetricly set on the both sides of bounding means 5 centered by the axis of valve rod 3.When ball valve standard-sized sheet or complete shut-down, one of them spacing block set 4c and one of them confined planes 5a lean, and when ball valve standard-sized sheet or complete shut-down, another spacing block set 4c and another spacing block set 5a lean.On handle 4 joint 4b, two spacing block set 4c are set, and in two sides of bounding means 5, corresponding two confined planes 5a are set, like this, when ball valve standard-sized sheet or complete shut-down, by two positions on ball valve, the angle of handle 4 is carried out spacingly, therefore, the force part of handle 4 and bounding means 5 also has two, make spacing block set 4c be difficult for being fractureed, and make the work of this ball valve more stable.
The size of bounding means 5 is less than the size of the joint 4b of handle 4, that is to say, the size of the joint 4b of handle 4 is larger, and bounding means 5 has been covered in, and when overlooking this ball valve, can only see the joint 4b of handle 4 and can't see bounding means 5.Such structure, make the structure of this ball valve comparatively attractive in appearance.In addition, the size of the outer-hexagonal structure 6a on bonnet 6 also is less than the size of the joint 4b of handle 4.
As another kind of mode, same, spacing block set 4c has two, different is, bounding means 5 upper ends offer two and be symmetrical arranged arc groove centered by the axis of valve rod 3, and two spacing block set 4c lay respectively in two arc grooves, and the arc groove two ends all have confined planes.When the ball valve standard-sized sheet, one of them spacing block set 4c is resisted against on the confined planes of one of them arc groove one end, and when the ball valve complete shut-down, this spacing block set 4c is resisted against on the confined planes 5a of this arc groove the other end.When the ball valve standard-sized sheet, another spacing block set 4c is resisted against on the confined planes of another arc groove one end, and when the ball valve complete shut-down, this spacing block set 4c is resisted against on the confined planes of this arc groove the other end.Arc groove also available arc-shaped through-hole substitutes.In the process of rotating at handle 4, two spacing block sets are all the time in two arc grooves.Offer arc groove on bounding means 5, make the structure of this ball valve more compact, also more attractive in appearance.
As another kind of scheme, bounding means 5 is located at valve body 1 upper end.In this case, when valve body 1 moulding, by bounding means 5 directly and valve body 1 one-body molded.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more been used the terms such as valve body 1, valve ball 2, valve rod 3, handle 4, grip part 4a, joint 4b, spacing block set 4c, indication convex body 4d, bounding means 5, confined planes 5a, bonnet 6, outer-hexagonal structure 6a, spool 7, jam nut 8, mistake water channel 9, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (10)
1. a ball valve, comprise that inside had the valve body of water channel (9) (1), be arranged on the valve ball (2) in valve body (1), the handle (4) that is connected to the valve rod (3) of valve ball (2) upper end and is connected in valve rod (3) upper end, described handle (4) comprises the grip part (4a) and the joint in the form of sheets (4b) for being connected with valve rod (3) of being located at grip part (4a) end for gripping, it is characterized in that, there is the spacing block set (4c) that protrudes from joint (4b) lower surface on described joint (4b), described spacing block set (4c) departs from joint (4b) edge close valve rod (3), this ball valve also comprises the bounding means (5) that is block, described bounding means (5) is provided with the confined planes (5a) that can limit handle (4) rotation angle, when ball valve standard-sized sheet or complete shut-down, described spacing block set (4c) leans with confined planes (5a).
2. ball valve according to claim 1, is characterized in that, described confined planes (5a) is located at the sidepiece of bounding means (5).
3. ball valve according to claim 2, it is characterized in that, the quantity of described spacing block set (4c) is two, the quantity of described confined planes (5a) is two and is located on two relative sides of bounding means (5), when ball valve standard-sized sheet or complete shut-down, one of them spacing block set (4c) leans with one of them confined planes (5a), and when ball valve standard-sized sheet or complete shut-down, another spacing block set (4c) leans with another confined planes (5a).
4. ball valve according to claim 1, it is characterized in that, described bounding means (5) upper end offers arc groove, described spacing block set (4c) is positioned at arc groove, described arc groove two ends all have confined planes, when the ball valve standard-sized sheet, described spacing block set (4c) is resisted against on the confined planes of arc groove one end, and when the ball valve complete shut-down, described spacing block set (4c) is resisted against on the confined planes of the arc groove the other end.
5. ball valve according to claim 4, it is characterized in that, the quantity of described spacing block set (4c) is two, the quantity of described arc groove is two, two arc grooves are symmetrical arranged centered by the axis of valve rod (3), described two spacing block sets lay respectively in two arc grooves, when ball valve standard-sized sheet or complete shut-down two spacing block sets respectively with two arc grooves in confined planes lean.
6. according to claim 1 or 2 or 3 or 4 or 5 described ball valves, it is characterized in that, described bounding means (5) is located at valve body (1) upper end.
7. according to claim 1 or 2 or 3 or 4 or 5 described ball valves, it is characterized in that, also comprise the bonnet (6) that is connected in valve body (1) upper end, described valve rod (3) is through described bonnet (6), and described bounding means (5) is located at the upper end of bonnet (6).
8. according to claim 1 or 2 or 3 or 4 or 5 described ball valves, it is characterized in that, the joint (4b) of described handle (4) is rounded, and the size of described bounding means (5) is less than the size of the joint (4b) of handle (4).
9. ball valve according to claim 7, it is characterized in that, described bonnet (6) is threaded on valve body (1), the middle part of described bonnet (6) also is provided with outer-hexagonal structure (6a), be provided with seal ring between described bonnet (6) and valve body (1), the upper indication convex body (4d) that is provided with the assembly department side that protrudes from handle (4) away from an end of grip part (4a) of described handle (4).
10. ball valve according to claim 7, it is characterized in that, also comprise spool (7), there is the through hole that water channel (9) connects of crossing that makes valve body (1) on described spool (7), described bonnet (6) is threaded in spool (7) upper end, described valve ball (2) is located at spool (7) inside, described valve body (1) by injection moulding directly in the outside moulding of spool (7), the upper end of described valve rod (3) jam nut (8) that has been threaded, described jam nut (8) is located at the upside of handle (4) joint (4b), described spacing block set (4c) is by impact briquetting, between described jam nut (8) and handle (4), also be provided with for hiding the pad of the punching hole on handle (4) joint (4b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320393892 CN203348614U (en) | 2013-07-02 | 2013-07-02 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320393892 CN203348614U (en) | 2013-07-02 | 2013-07-02 | Ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348614U true CN203348614U (en) | 2013-12-18 |
Family
ID=49748517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320393892 Expired - Lifetime CN203348614U (en) | 2013-07-02 | 2013-07-02 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348614U (en) |
-
2013
- 2013-07-02 CN CN 201320393892 patent/CN203348614U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |