CN201425099Y - Magnetic anti-theft gate valve - Google Patents
Magnetic anti-theft gate valve Download PDFInfo
- Publication number
- CN201425099Y CN201425099Y CN2009201203421U CN200920120342U CN201425099Y CN 201425099 Y CN201425099 Y CN 201425099Y CN 2009201203421 U CN2009201203421 U CN 2009201203421U CN 200920120342 U CN200920120342 U CN 200920120342U CN 201425099 Y CN201425099 Y CN 201425099Y
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- valve
- blind hole
- valve gap
- magnetic steel
- end surface
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Abstract
The utility model discloses a magnetic anti-theft gate valve, which comprises a valve body, a valve core, a valve rod and a valve cap. The valve core is connected at the lower end of the valve rod; the upper end of the valve rod extends from the valve cap and is connected with a valve cap sleeve; a locking mechanism is arranged between the valve cap and the valve cap sleeve; a key with a built-inunlocking mechanism is movably inserted in the valve cap sleeve; the locking mechanism comprises a lower blind hole formed on the upper end surface wall body of the valve cap and an upper blind hole which is formed on the lower end surface wall body and corresponds to the lower blind hole; a lock pin with a spring arranged at the lower end is movably inserted in the lower blind hole; a lower magnetic steel is movably inserted in the upper blind hole; the upper end surface of the lock pin is pressed against and connected on the lower end surface of the lower magnetic steel under the action of the spring; the unlock mechanism is an upper magnetic steel arranged in the key and corresponds to the lower magnetic steel in position; and the polarities on the opposing sides of the upper magnetic steel and the lower magnetic steel are opposite. The spring leads the lock pin to lock the valve cap and the valve cap sleeve; the lock pin embedded into the valve cap sleeve is pushed by the repellentforce of the upper and lower magnetic steels, and the valve cap sleeve can be driven to rotate. Therefore, the magnetic anti-theft gate valve has the advantages of simple structure, convenient operation and stable property.
Description
Technical field
The utility model relates to a kind of valve for guarding against theft, relates in particular to a kind of mesolow magnetic anti-theft valve that is applicable to the pipeline of FLUID TRANSPORTATION such as water, gas.
Background technique
Gate valve is to be widely used in a kind of valve that is used for liquid control in the various pipelines, for ease of managing, just need a kind of valve that can effectively prevent unexpected unlatching at administration departmentses such as tap water, afforestation, the magnetic anti-theft gate valve is exactly a kind of product that can play this effect, and it is to open or the valve of the medium of blinding off a line by the magnetic induction key of special use.But magnetic anti-theft gate valve structure more complicated in the market opens and closes underaction, under keyless situation, is easy to be opened by the people, and theftproof performance is stable inadequately.As the patent No. is the disclosed antitheft valve of Chinese utility model patent of CN200320106683.6, it is made up of valve body, leading screw, spool, Lock with magnetic detent controlled bolt and magnetic code key, valve gap is provided with the lock tube, and lock tube upper end portion is provided with lock ring, underpart and valve gap screwed connection or welding.The some grooves of lock ring outer periphery are provided with the convex dead bolt in the groove, be provided with the limiting stopper of strong magnetic padlock tongue on the top of groove, at corresponding part be provided with and strong magnetic padlock tongue mate groove, lock ring and the magnetic code key supporting opening/shutting valve of lock tube with dead bolt.In the time of on lock ring being placed on the lock tube, in then leading screw being protected in, valve can't be opened, the magnetic code key is consistent with the coding of dead bolt magnet, can insert in the lock ring, dead bolt is sucked back, lock ring is proposed.To open sleeve and insert in the lock tube, the handle that cover is buckled in rotation top on the leading screw is with valve opening or close.Owing to need to use the key release earlier, also need socket wrench specially adapted for it to open and close valve then, its complex operation, its structure of while is more complicated also.
The model utility content
Technical problem to be solved in the utility model just provides a kind of novel structure, simple, opens and closes flexibly, is difficult to open stable performance, easy to operate, spillage of material is little, processing technology is simple, cost is low magnetic anti-theft gate valve under keyless situation.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: the magnetic anti-theft gate valve, comprise valve body, be located at spool and valve rod in the valve body, be located at the valve gap of valve body upper opening, described valve rod lower end connects spool, valve gap is stretched out in the valve rod upper end, it is characterized in that: described valve rod upper end connects a valve gap cover, described valve gap and valve gap inner room are provided with locking framework, valve gap puts the active key that is plugged with, be provided with the release mechanism of the mechanism that is used to unlock in the key, described locking framework comprises and is located at the following blind hole on the wall body of valve gap upper-end surface and is located on the wall body of valve gap cover lower end surface and described corresponding the last blind hole of blind hole down, the interior active lock pin that is fitted with of following blind hole, and the lock pin lower end is provided with spring, the described interior active lower magnetic steel that is fitted with of blind hole of going up, apical grafting is in the lower magnetic steel lower end surface under spring action in described lock pin upper-end surface, and described release mechanism is to be located in the key and the corresponding upper magnetic steel in described lower magnetic steel position, and the relative side pole with lower magnetic steel of described upper magnetic steel is provided with on the contrary.
Improved, the described blind hole diameter that goes up is greater than following blind hole diameter, and the lower magnetic steel diameter is greater than following blind hole diameter.Thereby lower magnetic steel can not fall into down in the blind hole raising release reliability.
Preferably, described down blind hole is established four and encircle center, valve gap upper-end surface and evenly distribute, and valve gap puts also correspondence and establishes four and go up blind holes, and described lower magnetic steel, upper magnetic steel also correspondence are provided with four.Adjacent lower magnetic steel opposite polarity directions in four four lower magnetic steels going up in the blind hole, and adjacent upper magnetic steel opposite polarity directions in four upper magnetic steels.Therefore, after product assembling is finished when the valve gap cover turns to certain position, 4 lock pins on the valve gap under the spring force effect, just in time stretch into valve gap in overlapping in the blind hole, valve gap is overlapped stuck, valve is locked.Last blind hole depth is no less than 2mm deeply than the length of magnet steel, so that lock pin can snap in the interior last blind hole of valve gap cover.
Preferably, described valve gap puts the end face middle part and is provided with an in-line boss, and described key lower end surface has a corresponding in-line groove with the in-line boss, and key overlaps by the active grafting that cooperates by in-line boss and in-line groove with valve gap.Center, described key lower end surface also is provided with positioning hole, and valve gap puts end face and is provided with the positioning boss corresponding with described positioning hole.Positioning hole and positioning boss are realized the location of upper magnetic steel and lower magnetic steel like this, and when key cooperated with the valve gap cover, valve gap cover in-line boss embedded in the key in-line groove simultaneously, thereby key can drive the valve gap cover and valve rod rotates.
As preferably, described valve rod upper end is flat square toes, and described valve gap puts to be established a waist shaped hole and cooperate with flat square toes.Realize that the valve gap cover drives the valve rod rotation.
Preferably, between described in-line boss one word axis and waist shaped hole waist axis at an angle of 90, with angle at 45, the position of last blind hole.Described upper magnetic steel is located at the blind hole that is used to install magnet steel, and blind hole is by the plug shutoff, and plug and blind hole are interference fit.Key top is provided with the shank of the key, and the shank of the key is a butterfly handle, and the in-line groove is consistent with butterfly handle direction, is 45 with the blind hole direction.
As preferably, described valve gap upper outside wall is provided with annular boss, and valve gap cover madial wall is provided with annular groove, the valve gap cover by the active switching of described annular groove on described annular boss.The valve gap cover is mounted to a non-removable integral body with valve gap by extruding, and the valve gap cover can rotate freely under released state after the installation.
The utility model is owing to adopted technique scheme, during general state under the spring force effect, lock pin locking valve gap and valve gap cover, when key cover when valve gap puts, upper and lower magnet steel repels each other, the lock pin that embeds under the effect of lower magnetic steel in the valve gap cover is pushed in the valve gap, and valve gap is enclosed within the drive of key handle and promptly turns, thereby valve can be unlocked or close.This magnetic anti-theft gate valve structure novelty, simple opens and closes flexibly, is difficult to open stable performance, easy to operate under keyless situation.And spillage of material is little, manufacturing procedure is few, processing technology is simple, cost is low.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Fig. 1 is the utility model magnetic anti-theft gate valve general assembly drawing;
Fig. 2 is valve gap cover stereogram;
Fig. 3 is valve gap cover plan view;
Fig. 4 is the K-K sectional view among Fig. 3;
Fig. 5 is the valve gap plan view;
Fig. 6 is the valve gap plan view;
Fig. 7 is the key stereogram;
Fig. 8 is the key plan view;
Fig. 9 is the F-F sectional view among Fig. 8.
Embodiment
Extremely shown in Figure 9 as Fig. 1, embodiment for the utility model magnetic anti-theft gate valve, comprise valve body 5, be located at spool 4 and valve rod 41 in the valve body, be located at the valve gap 2 of valve body upper opening, described valve rod lower end connects spool 4, valve gap 2 is stretched out in the valve rod upper end, described valve rod upper end connects valve gap cover 3, described valve gap and valve gap inner room are provided with locking framework, the active key 1 that is plugged with on the valve gap cover 3, be provided with the release mechanism of the mechanism that is used to unlock in the key, described locking framework comprises and is located at the following blind hole 21 on the valve gap 2 upper-end surface wall bodies and is located on the wall body of valve gap cover lower end surface the last blind hole 32 corresponding with described blind hole down 21, the interior active lock pin 23 that is fitted with of following blind hole, and the lock pin lower end is provided with spring 22, the described interior active lower magnetic steel 33 that is fitted with of blind hole of going up, apical grafting is in the lower magnetic steel lower end surface under spring action in described lock pin upper-end surface, and described release mechanism is to be located at the upper magnetic steel 13 corresponding with described lower magnetic steel position in the key, and the relative side pole with lower magnetic steel of described upper magnetic steel is provided with on the contrary.Described blind hole 32 diameters of going up are greater than following blind hole 21 diameters, and lower magnetic steel 33 diameters are greater than following blind hole diameter.Dark and both drops of the described length that goes up blind hole 32 depth ratio lower magnetic steels 33 are no less than 2mm.
Described down blind hole 21 is established four and encircle center, valve gap 2 upper-end surface and evenly distribute, on the valve gap cover 3 also correspondence establish four and go up blind holes 32, described lower magnetic steel 33, upper magnetic steel 13 also correspondence are provided with four.Adjacent lower magnetic steel opposite polarity directions in four four lower magnetic steels 33 going up in the blind hole, and adjacent upper magnetic steel opposite polarity directions in four upper magnetic steels.
Described valve gap overlaps middle part, 3 upper-end surfaces and is provided with an in-line boss 31, described key 1 lower end surface have one with in-line boss 31 corresponding in-line grooves 11, key 1 and valve gap cover is by the active grafting that cooperates by in-line boss 31 and in-line groove 11.Center, described key lower end surface also is provided with positioning hole 12, and valve gap puts end face and is provided with the positioning boss 37 corresponding with described positioning hole 12.
Described valve rod 41 upper ends are flat square toes, establish a waist shaped hole 34 on the described valve gap cover 3 and cooperate with flat square toes.Described in-line boss 31 1 word medial axis and waist shaped hole waist medial axis are 45 with the position of last blind hole 32 at an angle of 90.Described upper magnetic steel 13 is located at and is used to install in the blind hole 15 of magnet steel, and by plug 14 shutoff, plug and blind hole are interference fit; Key 1 top is provided with the shank of the key, and the shank of the key is a butterfly handle, and in-line groove 11 is consistent with butterfly handle direction, is 45 with blind hole 15 directions.Described valve gap 2 upper outside walls are provided with annular boss 25, and valve gap overlaps 3 madial walls and is provided with annular groove 35, valve gap cover 3 by described annular groove 35 active switchings on described annular boss 25.Being provided with circular protrusions 24 in the present embodiment on the valve gap also inserts in the step hole 38 that is located at valve gap cover bottom.
Valve gap cover 3 is mounted to a non-removable integral body with valve gap 2 by extruding, after the product assembling is finished, rotation valve gap cover 3, when valve gap cover 3 turns to certain position, be that upper and lower blind hole is when corresponding, four lock pins 23 in 2 times blind holes of valve gap 21 under spring 22 elastic force effects, just in time stretch in the valve gap cover 3 in the blind hole 32, valve gap is overlapped 3 stuck, valve is locked; And when the needs opening/shutting valve, insert key 1, the in-line boss 31 of valve gap cover 3 embeds in the in-line groove 11 of key 1, positioning hole 12 realizes that with positioning boss 37 key 1 and valve gap overlap 3 location simultaneously, this moment upper magnetic steel 13 and lower magnetic steel 33 contrapositions, because the N of upper magnetic steel 13, lower magnetic steel 33 polarity in the S utmost point and the valve gap cover are opposite, repel each other according to the magnetic same sex, the principle that there is a natural attraction between the sexes, two groups of magnet steel repel each other, the lock pin 23 that embeds under the effect of lower magnetic steel in the valve gap cover is pushed into realization release in the valve gap 2, valve gap cover 3 is promptly rotatable under the drive of key handle, key 1, valve gap cover 2, valve rod 41, spool 4 interlocks, thus valve can be unlocked or close.
Claims (10)
1, the magnetic anti-theft gate valve, comprise valve body (5), be located at spool (4) and valve rod (41) in the valve body, be located at the valve gap (2) of valve body upper opening, described valve rod lower end connects spool (4), valve gap (2) is stretched out in the valve rod upper end, it is characterized in that: described valve rod upper end connects a valve gap cover (3), be provided with locking framework between described valve gap (2) and valve gap cover (3), valve gap cover (3) is gone up the active key (1) that is plugged with, be provided with the release mechanism of the mechanism that is used to unlock in the key, described locking framework comprises and is located at the following blind hole (21) on the wall body of valve gap (2) upper-end surface and is located on the wall body of valve gap cover (3) lower end surface and the described corresponding last blind hole (32) of blind hole (21) down, the active lock pin (23) that is fitted with in the following blind hole (21), the lock pin lower end is provided with spring (22), the described interior active lower magnetic steel (33) that is fitted with of blind hole (32) of going up, described lock pin (23) upper-end surface under spring (22) effect apical grafting in lower magnetic steel (33) lower end surface, described release mechanism is for to be located at upper magnetic steel (13) corresponding with described lower magnetic steel (33) position in the key (1), and the relative side pole with lower magnetic steel (33) of described upper magnetic steel (13) is provided with on the contrary.
2, magnetic anti-theft gate valve according to claim 1 is characterized in that: described blind hole (32) diameter of going up is greater than following blind hole (21) diameter, and lower magnetic steel (33) diameter is greater than following blind hole (21) diameter.
3, magnetic anti-theft gate valve according to claim 2, it is characterized in that: described down blind hole (21) is established four and encircle valve gap (2) center, upper-end surface and evenly distribute, blind holes (32) on also correspondence is established four on the valve gap cover (3), described lower magnetic steel (33), upper magnetic steel (13) also correspondence are provided with four.
4, magnetic anti-theft gate valve according to claim 3 is characterized in that: dark and both drops of the described length that goes up blind hole (32) depth ratio lower magnetic steel (33) are no less than 2mm.
5, according to each described magnetic anti-theft gate valve of claim 1 to 4, it is characterized in that: middle part, described valve gap cover (3) upper-end surface is provided with an in-line boss (31), described key (1) lower end surface have one with the corresponding in-line groove of in-line boss (31) (11), key (1) and valve gap cover (3) are by the active grafting that cooperates by in-line boss (31) and in-line groove (11).
6, magnetic anti-theft gate valve according to claim 5 is characterized in that: described key (1) center, lower end surface also is provided with positioning hole (12), and valve gap cover (3) upper-end surface is provided with the positioning boss (37) corresponding with described positioning hole (12).
7, magnetic anti-theft gate valve according to claim 5 is characterized in that: described valve rod (41) upper end is established a waist shaped hole (34) and is cooperated with flat square toes for flat square toes on the described valve gap cover (3).
8, magnetic anti-theft gate valve according to claim 6 is characterized in that: between described in-line boss (31) one word axis and waist shaped hole (34) waist axis at an angle of 90, with the angle at 45, position of last blind hole (32).
9, magnetic anti-theft gate valve according to claim 6 is characterized in that: described upper magnetic steel (13) is located at the blind hole (15) that is used to install magnet steel, and blind hole (15) is by plug (14) shutoff.
10, magnetic anti-theft gate valve according to claim 6, it is characterized in that: described valve gap (2) upper outside wall is provided with annular boss (25), valve gap cover (3) madial wall is provided with annular groove (35), valve gap cover (3) by the active switching of described annular groove (35) on described annular boss (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201203421U CN201425099Y (en) | 2009-05-14 | 2009-05-14 | Magnetic anti-theft gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201203421U CN201425099Y (en) | 2009-05-14 | 2009-05-14 | Magnetic anti-theft gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425099Y true CN201425099Y (en) | 2010-03-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201203421U Expired - Lifetime CN201425099Y (en) | 2009-05-14 | 2009-05-14 | Magnetic anti-theft gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201425099Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949457A (en) * | 2010-11-01 | 2011-01-19 | 安徽红星阀门有限公司 | Telescopic gate valve with soft seal and threaded connection |
| CN101968123A (en) * | 2010-11-01 | 2011-02-09 | 安徽红星阀门有限公司 | Threaded soft seal PP-R monotube loose joint gate valve |
| CN101975283A (en) * | 2010-11-01 | 2011-02-16 | 安徽红星阀门有限公司 | Thread soft seal PP-R double pipe flexible gate valve |
| CN102359652A (en) * | 2011-09-13 | 2012-02-22 | 福建海洋铜业有限公司 | Multifunctional magnetic lock ball valve |
| CN102392910A (en) * | 2011-07-18 | 2012-03-28 | 浙江盾安阀门有限公司 | High-precision flow regulating valve with lock |
| CN104089039A (en) * | 2014-07-25 | 2014-10-08 | 福建省海洋阀门科技有限公司 | Improved anti-theft valve |
-
2009
- 2009-05-14 CN CN2009201203421U patent/CN201425099Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949457A (en) * | 2010-11-01 | 2011-01-19 | 安徽红星阀门有限公司 | Telescopic gate valve with soft seal and threaded connection |
| CN101968123A (en) * | 2010-11-01 | 2011-02-09 | 安徽红星阀门有限公司 | Threaded soft seal PP-R monotube loose joint gate valve |
| CN101975283A (en) * | 2010-11-01 | 2011-02-16 | 安徽红星阀门有限公司 | Thread soft seal PP-R double pipe flexible gate valve |
| CN102392910A (en) * | 2011-07-18 | 2012-03-28 | 浙江盾安阀门有限公司 | High-precision flow regulating valve with lock |
| CN102359652A (en) * | 2011-09-13 | 2012-02-22 | 福建海洋铜业有限公司 | Multifunctional magnetic lock ball valve |
| CN104089039A (en) * | 2014-07-25 | 2014-10-08 | 福建省海洋阀门科技有限公司 | Improved anti-theft valve |
| CN104089039B (en) * | 2014-07-25 | 2016-08-24 | 福建省海洋阀门科技有限公司 | Improved anti-theft valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311835 Zhuji port industrial area, Zhejiang Patentee after: ZHEJIANG DUNAN INTELLIGENT CONTROL TECHNOLOGY CO., LTD. Address before: 311835 Zhuji port industrial area, Zhejiang Patentee before: Zhejiang Dun'an Valve Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100317 |