CN101555948A - Valve with lock - Google Patents
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- CN101555948A CN101555948A CNA2009100983755A CN200910098375A CN101555948A CN 101555948 A CN101555948 A CN 101555948A CN A2009100983755 A CNA2009100983755 A CN A2009100983755A CN 200910098375 A CN200910098375 A CN 200910098375A CN 101555948 A CN101555948 A CN 101555948A
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Abstract
The invention provides a valve with lock, which belongs to the technical field of valves and solves the technical problems of low commonality, complex structure and the like of the existing valve with lock. The valve with lock comprises a valve body, a handle, a valve stem and a valve core arranged in the valve body; the inner end of the valve stem is connected with the valve core; the outer end of the valve stem passes through the valve body; the handle is connected with the outer end of the valve stem through a bolt; the valve body is provided with a blocking piece cambered outwards; a limiting structure used for limiting the rotation or the rotation scope of the handle by the blocking piece is arranged between the blocking piece and the handle; and an anti-disassembling structure used for preventing the bolt from being disassembled when the handle and the valve stem are fixedly connected is arranged between the bolt and the handle. The valve with lock has wide application range, high commonality, simple structure, low manufacturing cost, and strong market competitiveness.
Description
Technical field
The invention belongs to valve technology field, relate to a kind of valve, particularly a kind of Valve with lock.
Background technique
After valve was installed on the pipeline, people normally can arbitrarily open or close.But for the company of some functional department or water supply, heating, air feed, they by pipeline when consumers in general provide tap water, heating installation or coal gas, also need to rely on valve to come the switching of pilot line, particularly the user who does not on schedule pay dues is carried out stop supplies.Therefore, a locking device need be installed on valve, illegally open to prevent other people.The valve of locking device like this, has just appearred much having.
Divide from the structure of product, existing Valve with lock is broadly divided into two classes: a class is to utilize lock body that the valve rod in the valve is locked, and comes the opening and closing of control valve.As " Valve with lock " that Chinese patent 00241533.X provides, it is made up of valve body, spool, valve rod and lockset, and lock body sheath is on valve rod, and its underpart is by being threaded on the valve stem casing, and lock core and valve stem part intersect.This Valve with lock is to utilize lockset to pin valve rod, the rotation of control valve rod, thereby the opening and closing of control valve.Another kind of Valve with lock is the handle that has omitted in the conventional valves structure, and when needing operation or directly substitute handle with key, or handle is independently opened in use.In " Ball Valve With Lock " that provides as Chinese patent 99254574.9, the valve rod of valve is directly to be connected with lock core, just directly finishes with key when valve is operated.
For above-mentioned first kind Valve with lock, they are the structures of setting up lock body on the basis of conventional valves, therefore, to all carry out structure of modification to the valve rod and the valve body of valve, then need special valve body and valve rod during fabrication, can't use the valve body of standard and valve rod to replace, versatility is not high; Lockset is set in valve body simultaneously, and it is complicated that structure becomes, and the cost of valve has also uprised.And for the second above-mentioned class Valve with lock, if adopt the mode that directly substitutes handle with key, practice shows requires great effort when valve is operated very much, and key usually can fracture.If adopt special-purpose opener, that is to say that a valve is carried out action need key and special tool simultaneously, causes and carries and operate equal inconvenience.Particularly under the situation that the Valve with lock consumption rises significantly at present, be difficult to be used widely.
Summary of the invention
The objective of the invention is to have above-mentioned problem, a kind of versatility height, the rational in infrastructure and high Valve with lock of practicability are provided at existing a kind of Valve with lock.
Purpose of the present invention can realize by following technical proposal: a kind of Valve with lock, comprise valve body, handle, valve rod and the spool that is arranged in the valve body, the inner of valve rod is connected with spool, the outer end of valve rod passes valve body, handle is connected with the outer end of valve rod by screw, it is characterized in that, described valve body is provided with the block piece of evagination, be provided with one between described block piece and the handle and rotate by block piece restriction handle or the limiting structure of its slewing area, be provided with the anti-dismounting structure that when handle and valve rod are connected, prevents under the screw disassembling between described screw and the handle.
This Valve with lock can be when latch-up-free handle can free open and close valve, when locking, can't pass through the handle Open valve.Valve can adopt common ball valve, also can be other valve, and the valve rod of valve stretches out behind the valve body and is connected by screw handle, and handle with sleeve can drive valve rod and rotate.Turn on screw, behind the dismounting lower handle handle is adjusted under the latch-up-free state, make the block piece on the valve body be arranged in the restriction handle slewing area of limit structure, and tighten screw, handle can drive valve rod and rotate in the limit structure restricted portion; When locking, with valve closing, turn on screw, after the removal handle handle is adjusted under the lock state, tighten screw, the restriction handle that block piece is arranged in limit structure rotates, and handle is locked, can't rotate.In order to prevent that others from turning on screw, anti-dismounting structure will be turned on screw and must be equipped with the screw screwing-up tool that this Valve with lock is equipped with between screw and handle.This Valve with lock is arranged on locking structure between valve body and the handle, and does not change structure own in the valve, therefore can be applied on all valve rods with handle applied range, versatility height.
In above-mentioned Valve with lock, described limit structure comprises rotation recess and the locking recess that is arranged on the handle, at its lower end edge, and the width of described locking recess is identical with the thickness of block piece, and the width that rotates recess is that valve rod drives the stroke that spool opens and closes.
When block piece was arranged in the rotation recess, handle with sleeve, the retaining wall of the rotation recess on the handle were spool unlatching maximum when contacting with block piece or close that the width that promptly rotates recess is the slewing area of handle.Turn on screw, the dismounting lower handle, when being affixed to handle on the valve rod, block piece is arranged in locking recess, because the width of recess is identical with the thickness of block piece, handle can't rotate, handle is locked in place.
In addition, can to exchange setting also be feasible for two recesses in the above-mentioned limit structure and block piece.To rotate recess and locking recess and be arranged on the valve body, block piece is arranged on handle, the block piece on the handle can select to be inserted in slewing area or the locking handle that rotates on the recess or realize the restriction handle on the locking recess.
In above-mentioned Valve with lock, described anti-dismounting structure comprises the rotor and the cylindrical shell that is connected on the handle that can rotate around the shaft axis of screw on the hexagon that is arranged on screw, described barrel jacket is located at rotor end face outer and cylindrical shell and is higher than rotor, the diameter of rotor is slightly less than the internal diameter of cylindrical shell greater than the diameter of hexagon.Wrap by the hexagon of cylindrical shell, so just can prevent from from the side screw to be turned on screw; And on screw, being provided with rotor, rotor covers the hexagon of screw, use common needle-nose pliers then can't walk around rotor and touch screw, and just rotary rotor also can't rotating screw.This structure just can prevent to use common instrument that screw disassembling is got off.
In above-mentioned Valve with lock, described handle comprises the handle body and the handle that is arranged on the external side of handle of tubular, and above-mentioned cylindrical shell and handle body top are connected as a single entity, and above-mentioned rotation recess and locking recess are arranged on the bottom of handle body.This structure can be passed through the casting straight forming, and is easy to make simple.
In above-mentioned Valve with lock, the bottom of described handle body is fixed with the block cover of annular, and above-mentioned block piece and limit structure are arranged in the block cover.By block cover block piece and limit structure are wrapped in the inside, the user can not destroy block piece easily.In addition,, can not set up block cover, can select according to client's demand in order to reduce the fabricating cost of this Valve with lock.
In above-mentioned Valve with lock, described Valve with lock also comprises the screw screwing-up tool that can turn on screw, described screw screwing-up tool comprises dwang and the handlebar that is connected with an end of dwang, the other end of described dwang is two symmetrically arranged spring sheets, is provided with to walk around above-mentioned rotor screw is clamped clamping structure between the end of two spring sheets.Dwang in the screw screwing-up tool extend in the cylindrical shell, and spring sheet has elasticity, clamping structure between the spring sheet makes spring sheet walk around behind the rotor directly and screw is clamped, with hand handle with sleeve bar dwang is rotated, like this, screw also rotates along with dwang, thereby screw is turned on, and handle can be disassembled can adjust to lock state or latch-up-free state.
In above-mentioned Valve with lock, described clamping structure comprises the plane that is arranged on each spring sheet and is set in the slide cartridge that the dwang external enwergy is slided, external diameter when the internal diameter of described slide cartridge is clamped screw with two spring sheets is identical, is provided with the groove that can hold above-mentioned rotor of annular two relative sides of spring sheet.After rotor flicks spring sheet, spring sheet is walked under continuing, because two relative sides of spring sheet are provided with groove, like this, the part of rotor projection bolt hexagon enters into groove, the plane of spring sheet contacts with the screw hexagon, and glide slide cartridge this moment, and the end that slides into spring sheet makes spring sheet draw close to the centre screw is fixed.
Compared with prior art, this Valve with lock has following advantage:
1, this Valve with lock is arranged on locking structure between valve body and the handle, and does not change structure own in the valve, therefore can be applied on all valve rods with handle applied range, versatility height.
2, the anti-dismounting structure of this Valve with lock is simultaneously identical, therefore, only need to be equipped with once can this all Valve with lock of opening and closing the screw screwing-up tool of this Valve with lock, for the manager of valve, get final product along with carrying a screw screwing-up tool, need not lock of a key, easy to use.
3, locking structure of this Valve with lock and anti-dismounting structure have only been used structures such as the rotation recess on the handle, locking recess, rotor, and be simple in structure, low cost of manufacture, market competitiveness height.
Description of drawings
Fig. 1 is the structural representation of this Valve with lock.
Fig. 2 is at the A-A place handle of Fig. 1 and the sectional structure schematic representation of valve body latch-up-free state among this Valve with lock embodiment 1.
Fig. 3 is at the A-A place handle of Fig. 1 and the sectional structure schematic representation of valve body lock state among this Valve with lock embodiment 1.
Fig. 4 is at the A-A place handle of Fig. 1 and the sectional structure schematic representation of valve body latch-up-free state among this Valve with lock embodiment 2.
Fig. 5 is at the A-A place handle of Fig. 1 and the sectional structure schematic representation of valve body lock state among this Valve with lock embodiment 2.
Fig. 6 is the structural representation of dwang in the Valve with lock.
Among the figure, valve body 1; Handle 2; Valve rod 3; Spool 4; Screw 5; Block piece 6; Rotate recess 7; Locking recess 8; Rotor 9; Cylindrical shell 10; Handle body 11; Handle 12; Dwang 13; Handlebar 14; Spring sheet 15; Plane 16; Slide cartridge 17; Groove 18.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment 1:
As Fig. 1, Fig. 2 and shown in Figure 3, this Valve with lock comprises valve body 1, handle 2, valve rod 3, spool 4, screw 5, block piece 6 and limit structure, when being implemented in latch-up-free handle 2 can the open and close valve, when locking, can't pass through handle 2 Open valves.
Specifically, spool 4 is a ball core, be provided with in the valve body 1, one end of valve rod 3 is connected with spool 4, the other end of valve rod 3 passes valve body 1 and is connected with handle 2 by screw 5, and like this, dismantling time screw 5 can removal handle 2, valve body 1 is provided with the block piece 6 of evagination, is provided with a limiting structure by 2 rotations of block piece restriction handle or its slewing area between block piece 6 and the handle 2.Limit structure comprises rotation recess 7 and the locking recess 8 that is arranged on edge, handle 2 lower end, and the width of locking recess 8 is identical with the thickness of block piece 6, and the width that rotates recess 7 is that valve rod drives the stroke that spool opens and closes.
When block piece was arranged in rotation recess 7, handle with sleeve 2, the retaining wall of the rotation recess 7 on the handle 2 were spool unlatching maximum when contacting with block piece 6 or close that the width that promptly rotates recess 7 is the slewing area of handle 6.Turn on screw 5, dismounting lower handle 2, when being affixed to handle 2 on the valve rod 3, block piece 6 is arranged in locking recess 8, because the width of locking recess 8 is identical with the thickness of block piece 6, handle 2 can't rotate, handle 2 is locked in place.
Be provided with between screw 5 and the handle 2 and when handle 2 and valve rod 3 are connected, prevent the anti-dismounting structure that screw 5 disassembles.Anti-dismounting structure comprises the rotor 9 and the cylindrical shell 10 that is connected on the handle 2 that can rotate around the shaft axis of screw 5 on the hexagon that is arranged on screw 5, cylindrical shell 10 is set in rotor 9 end faces outer and cylindrical shell 10 and is higher than rotor 9, the diameter of rotor 9 is slightly less than the internal diameter of cylindrical shell 10 greater than the diameter of hexagon.Wrap by the hexagon of cylindrical shell 10, so just can prevent from from the side screw 5 to be turned on screw 5; And on screw 5, being provided with rotor 9, rotor 9 hexagons with screw 5 cover, and use common needle-nose pliers then can't walk around rotor 9 and touch screw 5, and just rotary rotor 9 also can't rotating screw 5.This structure just can prevent to use common instrument that screw 5 is disassembled.
This Valve with lock also comprises the screw screwing-up tool that can turn on screw 5, as Fig. 1 and shown in Figure 6, screw screwing-up tool comprises dwang 13 and the handlebar 14 that is connected with an end of dwang 13, the other end of dwang 13 is two symmetrically arranged spring sheets 15, is provided with to walk around rotor 9 screw 5 is clamped clamping structure between the end of two spring sheets 15.Clamping structure comprises the plane 16 that is arranged on each spring sheet 15 and is set in the slide cartridge 17 that dwang 13 external enwergys are slided, external diameter when the internal diameter of slide cartridge 17 is clamped screw 5 with two spring sheets 15 is identical, is provided with the groove that can hold rotor 9 18 of annular in two spring sheets, 15 relative sides.
Dwang 13 in the screw screwing-up tool extend in the cylindrical shell 10, and spring sheet 15 has elasticity, after rotor 9 flicks spring sheet 15, under continuing, spring sheet 15 walks, because two spring sheet 15 relative sides are provided with groove 18, like this, the part of rotor 9 projection bolts 5 hexagons enters into groove 18, the plane 16 of spring sheet 15 contacts with screw 5 hexagons, and glide slide cartridge 17 this moment, and the end that slides into spring sheet 15 makes spring sheet 15 draw close to the centre screw 5 is fixed.Clamping structure between the spring sheet 15 make spring sheet 15 walk around rotor 9 back directly with screw 5 is clamped, with hand handle with sleeve bar 14 dwang 13 is rotated, like this, screw 5 is also along with dwang 13 rotates, thereby screw 5 is turned on, handle 2 can be disassembled to adjust to lock state or latch-up-free state.
Valve adopts common ball valve, and the valve rod 3 of valve stretches out valve body 1 back and is connected by screw 5 handles 2, and handle with sleeve 2 can drive valve rod 3 and rotate.Turn on screw 5, after the removal handle 2 handle 2 is adjusted under the latch-up-free state, make the block piece 6 on the valve body 1 be arranged in the rotation recess 7 of limit structure, and tighten screw 5, handle 2 can drive valve rod 3 and rotate in the limit structure restricted portion; When locking, with valve closing, turn on screw 5, after the removal handle 2 handle 2 is adjusted under the lock state, block piece 6 is arranged in the locking recess 8 of limit structure, tightens screw 5, and handle 2 is locked, can't rotate.In order to prevent that others from turning on screw 5, anti-dismounting structure will be turned on screw 5 and must be equipped with stubborn screw 5 instruments that this Valve with lock is equipped with between screw 5 and handle 2.This Valve with lock is arranged on locking structure between valve body 1 and the handle 2, and does not change structure own in the valve, therefore can be applied on all valve rods with handle 23 applied range, versatility height.
Embodiment 2:
The bottom of handle body 11 is fixed with the block cover 19 of annular, and block piece 6 is connected on the inwall of block cover 19, and block cover 19 is wrapped up block piece 6 and limit structure in it.By block cover 13 block piece 6 and limit structure are wrapped in the inside, the user can not destroy block piece 6 easily.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used valve body 1 morely; Handle 2; Valve rod 3; Spool 4; Screw 5; Block piece 6; Rotate recess 7; Locking recess 8; Rotor 9; Cylindrical shell 10; Handle body 11; Handle 12; Dwang 13; Handlebar 14; Spring sheet 15; Plane 16; Slide cartridge 17; Groove 18 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (7)
1, a kind of Valve with lock, comprise valve body (1), handle (2), valve rod (3) and be arranged on spool (4) in the valve body (1), the inner of valve rod (3) is connected with spool (4), the outer end of valve rod (3) passes valve body (1), handle (2) is connected with the outer end of valve rod (3) by screw (5), it is characterized in that, described valve body (1) is provided with the block piece (6) of evagination, be provided with a limiting structure between described block piece (6) and the handle (2), be provided with between described screw (5) and the handle (2) at handle (2) and valve rod (3) and prevent the anti-dismounting structure that screw (5) disassembles when being connected by block piece (6) restriction handle (2) rotation or its slewing area.
2, Valve with lock according to claim 1, it is characterized in that, described limit structure comprises rotation recess (7) and the locking recess (8) that is arranged on handle (2) edge, lower end, the width of described locking recess (8) is identical with the thickness of block piece (6), and the width that rotates recess (7) is that valve rod (3) drives the stroke that spool (4) opens and closes.
3, Valve with lock according to claim 1 and 2, it is characterized in that, described anti-dismounting structure comprises on the hexagon that is arranged on screw (5) rotor (9) that can rotate around the shaft axis of screw (5) and is connected in cylindrical shell (10) on the handle (2), described cylindrical shell (10) is set in rotor (9) end face outer and cylindrical shell (10) and is higher than rotor (9), the diameter of rotor (9) is slightly less than the internal diameter of cylindrical shell (10) greater than the diameter of hexagon.
4, Valve with lock according to claim 3, it is characterized in that, described handle (2) comprises the handle body (11) of tubular and is arranged on the handle (12) in handle body (11) outside, above-mentioned cylindrical shell (10) is connected as a single entity with handle body (11) top, and above-mentioned rotation recess (7) and locking recess (8) are arranged on the bottom of handle body (11).
5, Valve with lock according to claim 4 is characterized in that, the bottom of described handle body (11) is fixed with the block cover of annular, and above-mentioned block piece (6) and limit structure are arranged in the block cover.
6, Valve with lock according to claim 1, it is characterized in that, described Valve with lock also comprises stubborn screw (5) instrument that can turn on screw (5), described stubborn screw (5) instrument comprises dwang (13) and handle (2) bar that is connected with an end of dwang (13), the other end of described dwang (13) is two symmetrically arranged spring sheets (15), is provided with to walk around above-mentioned rotor (9) screw (5) is clamped clamping structure between the end of two spring sheets (15).
7, Valve with lock according to claim 6, it is characterized in that, described clamping structure comprises the plane (16) that is arranged on each spring sheet (15) and is set in the slide cartridge (17) that dwang (13) external enwergy is slided, the internal diameter of described slide cartridge (17) is identical with the external diameter of screw (5) when clamping with two spring sheets (15), is provided with the groove that can hold above-mentioned rotor (9) (18) of annular in the relative side of two spring sheets (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100983755A CN101555948B (en) | 2009-05-12 | 2009-05-12 | Valve with lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100983755A CN101555948B (en) | 2009-05-12 | 2009-05-12 | Valve with lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101555948A true CN101555948A (en) | 2009-10-14 |
| CN101555948B CN101555948B (en) | 2012-08-22 |
Family
ID=41174176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100983755A Active CN101555948B (en) | 2009-05-12 | 2009-05-12 | Valve with lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101555948B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595516A (en) * | 2014-11-28 | 2015-05-06 | 厦门三登塑胶工业有限公司 | Fixed type true union ball valve |
| CN106015627A (en) * | 2016-08-04 | 2016-10-12 | 宁波杰克龙精工有限公司 | Anti-theft ball valve and key component thereof |
| CN108644460A (en) * | 2018-07-24 | 2018-10-12 | 周玉红 | A kind of valve being easily installed dismounting handwheel |
| CN112833244A (en) * | 2021-01-29 | 2021-05-25 | 河南工业贸易职业学院 | Electric power system based on computer control |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9012495U1 (en) * | 1990-08-31 | 1990-10-31 | Streif, Hans, Magliaso, Lugano | Shut-off valve |
| CN2191946Y (en) * | 1994-06-04 | 1995-03-15 | 王定国 | Valve capable of locking |
| EP1065421B1 (en) * | 1999-06-28 | 2004-02-25 | SERRATURE MERONI S.p.A. | Lockable operating unit for a valve |
| CN2466447Y (en) * | 2001-02-19 | 2001-12-19 | 富山精机厂股份有限公司 | Theftproof control valve |
| CN201110394Y (en) * | 2007-09-26 | 2008-09-03 | 宁波志清实业有限公司 | Controllable anti-theft globe valve |
| CN201133488Y (en) * | 2007-12-29 | 2008-10-15 | 浙江盾安阀门有限公司 | Ball valve locking structure and its key |
| CN201416662Y (en) * | 2009-05-12 | 2010-03-03 | 台州双林阀门制造有限公司 | Lock valve |
-
2009
- 2009-05-12 CN CN2009100983755A patent/CN101555948B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595516A (en) * | 2014-11-28 | 2015-05-06 | 厦门三登塑胶工业有限公司 | Fixed type true union ball valve |
| CN106015627A (en) * | 2016-08-04 | 2016-10-12 | 宁波杰克龙精工有限公司 | Anti-theft ball valve and key component thereof |
| CN108644460A (en) * | 2018-07-24 | 2018-10-12 | 周玉红 | A kind of valve being easily installed dismounting handwheel |
| CN112833244A (en) * | 2021-01-29 | 2021-05-25 | 河南工业贸易职业学院 | Electric power system based on computer control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101555948B (en) | 2012-08-22 |
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Owner name: ZHEJIANG DOUBLE-LIN VALVES CO., LTD. Free format text: FORMER OWNER: TAIZHOU DOUBLE-LIN VALVES MANUFACTURING CO., LTD. Effective date: 20140604 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 317606 TAIZHOU, ZHEJIANG PROVINCE TO: 317610 TAIZHOU, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140604 Address after: 317610, Zhejiang, Taizhou province Yuhuan County dry river hardware industry function area (Salt Pan Village) Patentee after: Zhejiang Double-Lin Valves Co., Ltd. Address before: 317606 Zhejiang province Yuhuan County town salt tray hardware industry zone Patentee before: Taizhou Double-Lin Valves Manufacturing Co., Ltd. |