CN103047473B - Mechanical locking valve and key - Google Patents

Mechanical locking valve and key Download PDF

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Publication number
CN103047473B
CN103047473B CN201310021116.9A CN201310021116A CN103047473B CN 103047473 B CN103047473 B CN 103047473B CN 201310021116 A CN201310021116 A CN 201310021116A CN 103047473 B CN103047473 B CN 103047473B
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China
Prior art keywords
shifting block
jackscrew
groove
worm screw
hole
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CN201310021116.9A
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Chinese (zh)
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CN103047473A (en
Inventor
吴建涛
葛海州
方红亮
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ZHENGZHOU LVDU VALVE CO Ltd
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ZHENGZHOU LVDU VALVE CO Ltd
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Abstract

The invention provides a mechanical locking valve and a key. The mechanical locking valve comprises a valve housing, a worm wheel and a valve core which are arranged inside the valve housing and a self-locking worm and a hand wheel which are arranged on the valve housing. The self-locking worm comprises a main worm shaft, an auxiliary worm shaft which is provided with an axial threaded through-hole, a top thread which is arranged inside a threaded through-hole, a non-cylindrical drive shifting block and a spring. The key comprises a rod which can be inserted into the threaded through-hole and the lower end of the rod is provided with a rotating part which is matched with a rotating connection body of the top thread. The mechanical locking valve and the key have the advantages of being scientific in design, convenient to use and good in concealment of the embezzlement prevention mechanism and embezzlement prevention effect.

Description

Mechanical type Locking valve and key
Technical field
The present invention relates to a kind of valving, specifically, relate to a kind of prevent other people from usurping Pipeline Water resource mechanical type Locking valve and key.
Background technique
At present, Pipeline Water resource is happened occasionally by the situation that people usurps, and as heat distribution pipeline, water supply pipe etc., and usurps Pipeline Water resource and must open or closing duct valve, and therefore on valve, increasing the anti-measure of usurping is main way antitheft at present.More existing valves are with magnet-type burglar-proof mechanism, although easy to use, under being in the rugged environment such as high temperature for a long time, magnet easily demagnetizes inefficacy, and complex structure not easy-maintaining, replacement cost is high.
In order to solve above Problems existing, people are seeking a kind of desirable technical solution always.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, thus a kind of design science is provided, easy to use, anti-ly usurps mechanism's good concealment, anti-ly usurps effective mechanical type Locking valve.
To achieve these goals, the technical solution adopted in the present invention is: a kind of mechanical type Locking valve, comprise valve housing, be arranged on worm gear in described valve housing and spool, be arranged on irreversible worm on described valve housing and handwheel, described irreversible worm comprises worm screw main shaft, has the worm screw countershaft of axial screw thread through hole, the jackscrew be arranged in described tapped through hole, non-cylindrical transmission shifting block, spring and key.Wherein, described worm screw countershaft lower end surface is provided with the upper driving shifting block draw-in groove that Open Side Down, the upper-end surface of described worm screw main shaft is provided with the underdrive shifting block draw-in groove of opening upwards, the cavity depth of described underdrive shifting block draw-in groove is not less than the height of described transmission shifting block, described worm screw countershaft is fastened on described upper driving shifting block draw-in groove respectively by top and the bottom and is connected, between described spring top is located at the bottom of the lower end of described transmission shifting block and the chamber of described underdrive shifting block draw-in groove with the described transmission shifting block in described underdrive shifting block draw-in groove and described worm screw main shaft are alive.The upper end of the corresponding described transmission shifting block in the lower end of described jackscrew is arranged, and the upper end of described jackscrew is provided with jackscrew and is rotatably connected body, and described handwheel is arranged on the upper end of described worm screw countershaft, worm gear described in described worm screw spindle.
Based on above-mentioned, the upper end-hole of described tapped through hole is provided with camouflage bolt.
Based on above-mentioned, the vertical spring eye arranged is had at the bottom of the chamber of described underdrive shifting block draw-in groove, the lower end surface of described transmission shifting block is provided with directional post, the corresponding described spring eye of described directional post is arranged, the lower end of described spring is arranged in described spring eye, and the upper end of described spring is sleeved on described directional post.
Based on above-mentioned, described valve housing comprises the valve gap and valve body that are bolted together, and described valve gap is provided with axis hole; Described worm screw countershaft lower end outside is provided with annular card, and described worm screw countershaft upper end is arranged through described axis hole, and described annular card is fastened on aperture place under described axis hole.
Based on above-mentioned, described axis hole madial wall and described worm screw main shaft upper end outer side wall offer seal groove, are arranged with seal ring in described seal groove.
Based on above-mentioned, described key comprises the body of rod that can insert in described tapped through hole, and the lower end of the described body of rod is provided with the revolving part that the body that to be rotatably connected with described jackscrew coordinates.
Based on above-mentioned, the described jackscrew body that is rotatably connected is that yi word pattern revolves rib or yi word pattern spin slot or outer N side rib or interior N square groove, and described revolving part is that yi word pattern spin slot or yi word pattern revolve rib or interior N square groove or outer N side rib; Described N be not less than 3 natural number.
Based on above-mentioned, the upper end of described jackscrew is off-gauge outer N side rib or interior N square groove; One end of described key is and the off-gauge interior N square groove of described jackscrew upper end corresponding matching or outer N side rib.
A kind of key, described key comprises the body of rod that can insert in described tapped through hole, and the lower end of the described body of rod is provided with the revolving part that the body that to be rotatably connected with described jackscrew coordinates.
Based on above-mentioned, the described jackscrew body that is rotatably connected is that yi word pattern revolves rib or yi word pattern spin slot or outer N side rib or interior N square groove, and described revolving part is that yi word pattern spin slot or yi word pattern revolve rib or interior N square groove or outer N side rib; Described N be not less than 3 natural number.
Based on above-mentioned, the upper end of described jackscrew is off-gauge outer N side rib or interior N square groove; One end of described key is and the off-gauge interior N square groove of described jackscrew upper end corresponding matching or outer N side rib.
Hinge structure of the present invention has outstanding substantive distinguishing features and remarkable progress, and specifically, the present invention utilizes the working state moving up and down switch valve of described transmission shifting block and prevents usurping state, easy to use; Described camouflage bolt is set in the upper end-hole of described tapped through hole, increases the anti-crypticity usurping mechanism, make appropriator can not find the anti-operation entry usurping mechanism; The upper end of described jackscrew is set to non-standard shapes, makes appropriator that existing instrument cannot be utilized to operate on it.This mechanical type Locking valve has design science, easy to use, anti-ly usurps mechanism's good concealment, anti-ly usurps effective advantage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation that the present invention prevents usurping state.
In figure: 1. valve housing; 2. worm screw main shaft; 3. worm gear; 4. handwheel; 5. key; 6. worm screw countershaft; 7. tapped through hole; 8. jackscrew; 9. transmission shifting block; 10. spring; 11. upper driving shifting block draw-in grooves; 12. underdrive shifting block draw-in grooves; 13. camouflage bolts; 14. spring eyes; 15. directional posts; 16. annular cards; 17. seal rings.
Embodiment
Below by embodiment, technological scheme of the present invention is described in further detail.
As shown in Figure 1, a kind of mechanical type Locking valve, comprise valve housing 1, be arranged on worm gear 3 in described valve housing 1 and spool, be arranged on irreversible worm on described valve housing 1 and handwheel 4, described irreversible worm comprises worm screw main shaft 2, has the worm screw countershaft 6 of axial screw thread through hole 7, the jackscrew 8 be arranged in described tapped through hole 7, non-cylindrical transmission shifting block 9, spring 10 and key 5.
Described worm screw countershaft 6 lower end surface is provided with the upper driving shifting block draw-in groove 11 that Open Side Down, the upper-end surface of described worm screw main shaft 2 is provided with the underdrive shifting block draw-in groove 12 of opening upwards, the cavity depth of described underdrive shifting block draw-in groove 12 is not less than the height of described transmission shifting block 9, the object of such design makes described transmission shifting block 9 can enter in described underdrive shifting block draw-in groove 12 completely, to realize described worm screw main shaft 2 not with the effect that described worm screw countershaft 6 rotates.Described worm screw countershaft 6 is fastened on described upper driving shifting block draw-in groove 11 respectively by top and the bottom and is connected with the described transmission shifting block 9 in described underdrive shifting block draw-in groove 12 and described worm screw main shaft 2 are alive, the object of such design makes described upper driving shifting block draw-in groove 11 that described transmission shifting block 9 can be driven to rotate, and described transmission shifting block 9 can drive described underdrive shifting block draw-in groove 12 to rotate.Between described spring 10 top is located at the bottom of the lower end of described transmission shifting block 9 and the chamber of described underdrive shifting block draw-in groove 12, the effect of described spring 10 is described transmission shifting blocks 9 of upspringing.
The upper end of the corresponding described transmission shifting block 9 in lower end of described jackscrew 8 is arranged, and when described jackscrew 8 moves down, oppresses described transmission shifting block 9 and moves down; The upper end of described jackscrew 8 is provided with jackscrew and is rotatably connected body, and described handwheel 4 is arranged on the upper end of described worm screw countershaft 6, worm gear 3 described in the transmission of described worm screw main shaft 2.
The upper end-hole of described tapped through hole 7 is provided with camouflage bolt 13.The effect of described camouflage bolt 13 is: a. seals the upper end-hole of described tapped through hole 7, increases the anti-crypticity usurping mechanism, makes appropriator can not find the anti-operation entry usurping mechanism; B. can prevent dust from entering described tapped through hole 7; C. for described handwheel 4 being fixed on the upper end of described worm screw countershaft 6.
The vertical spring eye 14 arranged is had at the bottom of the chamber of described underdrive shifting block draw-in groove 12, the lower end surface of described transmission shifting block 9 is provided with directional post 15, the corresponding described spring eye 14 of described directional post 15 is arranged, the lower end of described spring 10 is arranged in described spring eye 14, and the upper end of described spring 10 is sleeved on described directional post 15.Described directional post 15 and described spring eye 14 are used to locate described spring 10, and play the guiding role to the motion of described spring 10.When described transmission shifting block 9 moves down, oppress described spring 10, described spring 10 and described directional post 15 enter into described spring eye 14.
Described valve housing 1 comprises the valve gap and valve body that are bolted together, and bolt connects is convenient to installation or removal.Described valve gap is provided with axis hole; Described worm screw countershaft 6 lower end outside is provided with annular card 16, and described worm screw countershaft 6 upper end is arranged through described axis hole, and described annular card 16 is fastened on aperture place under described axis hole.The object designing annular card 16 is arranged on stable for described worm screw countershaft 6 in described valve housing 1, prevents from coming off.
Described axis hole madial wall and described worm screw main shaft 2 upper end outer side wall offer seal groove, are arranged with seal ring 17, to play seal action in described seal groove.
Described key 5 comprises the body of rod that can insert in described tapped through hole 7, and the lower end of the described body of rod is provided with the revolving part that the body that to be rotatably connected with described jackscrew 8 coordinates.
The described jackscrew body that is rotatably connected is that yi word pattern revolves rib or yi word pattern spin slot or outer N side rib or interior N square groove, and described revolving part is that yi word pattern spin slot or yi word pattern revolve rib or interior N square groove or outer N side rib; Described N be not less than 3 natural number.The benefit of such design is: make appropriator that conventional instrument cannot be utilized to operate on it.
The upper end of described jackscrew 8 is off-gauge outer N side rib or interior N square groove; One end of described key 5 is and the off-gauge interior N square groove of described jackscrew 8 upper end corresponding matching or outer N side rib.By the benefit that the upper end of described jackscrew 8 is set to non-standard shapes be: make appropriator that conventional instrument cannot be utilized to operate on it.
Working principle: as shown in Figure 1, this mechanical type Locking valve is in serviceability, described transmission shifting block 9 is in described upper driving shifting block draw-in groove 11 and described underdrive shifting block draw-in groove 12, if now rotate described handwheel 4, described worm screw main shaft 2 will rotate with described worm screw countershaft 6, thus realize the closure or openness of spool.When startup is prevented usurping state, first the described camouflage bolt 13 removing described tapped through hole 7 upper end is needed, then the abutting end of described key 5 is injected in described tapped through hole 7, after described key 5 coordinates with the upper end of described jackscrew 8, turn described key 5, described jackscrew 8 declines on rotating in described tapped through hole 7, oppress described transmission shifting block 9 to decline, until the lower end surface of described transmission shifting block 9 touches at the bottom of the chamber of described underdrive shifting block draw-in groove 12, now described transmission shifting block 9 departs from described upper driving shifting block draw-in groove 11 completely, make described worm screw countershaft 6 no longer worm screw main shaft 2 described in transmission, reach the anti-object usurped.Finally extract described key 5, described camouflage bolt 13 is arranged on the upper end of described tapped through hole 7, make this mechanical type Locking valve be in the state shown in Fig. 2.
Finally should be noted that: above embodiment is only in order to illustrate that technological scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technological scheme scope of request of the present invention protection.

Claims (7)

1. a mechanical type Locking valve, comprises valve housing, is arranged on worm gear in described valve housing and spool, is arranged on irreversible worm on described valve housing and handwheel, described irreversible worm comprises worm screw main shaft, there is the worm screw countershaft of axial screw thread through hole, be arranged on the jackscrew in described tapped through hole, non-cylindrical transmission shifting block and spring, wherein, described worm screw countershaft lower end surface is provided with the upper driving shifting block draw-in groove that Open Side Down, the upper-end surface of described worm screw main shaft is provided with the underdrive shifting block draw-in groove of opening upwards, the cavity depth of described underdrive shifting block draw-in groove is not less than the height of described transmission shifting block, described worm screw countershaft is fastened on described upper driving shifting block draw-in groove respectively by top and the bottom and is connected with the described transmission shifting block in described underdrive shifting block draw-in groove and described worm screw main shaft are alive, between described spring top is located at the bottom of the lower end of described transmission shifting block and the chamber of described underdrive shifting block draw-in groove, the upper end of the corresponding described transmission shifting block in the lower end of described jackscrew is arranged, and the upper end of described jackscrew is provided with jackscrew and is rotatably connected body, and described handwheel is arranged on the upper end of described worm screw countershaft, worm gear described in described worm screw spindle, the upper end-hole of described tapped through hole is provided with camouflage bolt, it is characterized in that: at the bottom of the chamber of described underdrive shifting block draw-in groove, have the vertical spring eye arranged, the lower end surface of described transmission shifting block is provided with directional post, the corresponding described spring eye of described directional post is arranged, the lower end of described spring is arranged in described spring eye, and the upper end of described spring is sleeved on described directional post.
2. mechanical type Locking valve according to claim 1, is characterized in that: described valve housing comprises the valve gap and valve body that are bolted together, and described valve gap is provided with axis hole; Described worm screw countershaft lower end outside is provided with annular card, and described worm screw countershaft upper end is arranged through described axis hole, and described annular card is fastened on aperture place under described axis hole.
3. mechanical type Locking valve according to claim 2, is characterized in that: described axis hole madial wall and described worm screw main shaft upper end outer side wall offer seal groove, are arranged with seal ring in described seal groove.
4. mechanical type Locking valve according to claim 2, is characterized in that: it also comprises key, and described key comprises the body of rod that can insert in described tapped through hole, and the lower end of the described body of rod is provided with the revolving part that the body that to be rotatably connected with described jackscrew coordinates.
5. mechanical type Locking valve according to claim 4, it is characterized in that: the described jackscrew body that is rotatably connected is that yi word pattern revolves rib or yi word pattern spin slot or outer N side rib or interior N square groove, described revolving part is that yi word pattern spin slot or yi word pattern revolve rib or interior N square groove or outer N side rib; Described N be not less than 3 natural number.
6. mechanical type Locking valve according to claim 5, is characterized in that: the upper end of described jackscrew is off-gauge outer N side rib or interior N square groove; One end of described key is and the off-gauge interior N square groove of described jackscrew upper end corresponding matching or outer N side rib.
7. for a key for mechanical type Locking valve described in claim 1, comprise the body of rod that can insert in tapped through hole described in claim 1, the lower end of the described body of rod is provided with the revolving part that the body that to be rotatably connected with jackscrew described in claim 1 coordinates; The described jackscrew body that is rotatably connected is that yi word pattern revolves rib or yi word pattern spin slot or outer N side rib or interior N square groove, and described revolving part is that yi word pattern spin slot or yi word pattern revolve rib or interior N square groove or outer N side rib; Described N be not less than 3 natural number; It is characterized in that: the upper end of described jackscrew is off-gauge outer N side rib or interior N square groove; One end of described key is and the off-gauge interior N square groove of described jackscrew upper end corresponding matching or outer N side rib.
CN201310021116.9A 2013-01-21 2013-01-21 Mechanical locking valve and key Active CN103047473B (en)

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CN201310021116.9A CN103047473B (en) 2013-01-21 2013-01-21 Mechanical locking valve and key

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CN103047473B true CN103047473B (en) 2015-07-08

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113653848B (en) * 2021-10-18 2022-02-08 江苏信泰化工装备有限公司 Oil product anti-theft oil discharge valve

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2493784Y (en) * 2001-08-14 2002-05-29 上海标一阀门厂 Digital locked balance valve
CN201090830Y (en) * 2007-08-29 2008-07-23 宋志忠 Valve locking apparatus
CN201212559Y (en) * 2008-07-04 2009-03-25 安徽铜都阀门有限公司 Direct-burried butterfly valve
CN203051931U (en) * 2013-01-21 2013-07-10 郑州铝都阀门有限公司 Mechanical locking valve and key

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3623735B2 (en) * 2000-12-06 2005-02-23 株式会社巴技術研究所 Rotary valve drive unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2493784Y (en) * 2001-08-14 2002-05-29 上海标一阀门厂 Digital locked balance valve
CN201090830Y (en) * 2007-08-29 2008-07-23 宋志忠 Valve locking apparatus
CN201212559Y (en) * 2008-07-04 2009-03-25 安徽铜都阀门有限公司 Direct-burried butterfly valve
CN203051931U (en) * 2013-01-21 2013-07-10 郑州铝都阀门有限公司 Mechanical locking valve and key

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Inventor after: Wu Jiantao

Inventor after: Ge Haizhou

Inventor after: Fang Hongliang

Inventor before: Wang Wanshun

Inventor before: Wu Jiantao

Inventor before: Ge Haizhou

Inventor before: Fang Hongliang

C14 Grant of patent or utility model
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