CN206159627U - Locking structure of theftproof gate valve and subassembly of unblanking thereof - Google Patents
Locking structure of theftproof gate valve and subassembly of unblanking thereof Download PDFInfo
- Publication number
- CN206159627U CN206159627U CN201621162440.8U CN201621162440U CN206159627U CN 206159627 U CN206159627 U CN 206159627U CN 201621162440 U CN201621162440 U CN 201621162440U CN 206159627 U CN206159627 U CN 206159627U
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- CN
- China
- Prior art keywords
- lock tube
- spanner
- gate valve
- theft
- unlocking component
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a locking structure of theftproof gate valve and subassembly of unblanking thereof, includes the valve body, the spiro union in the valve gap of valve body top is located flashboard in the valve body, the spiro union in the valve rod of flashboard upper end is located the special -shaped triangle tapered end on valve rod top and with the handle that dysmorphism triangulation chain headgear connect, still include with the lock tube of valve gap top hole spiro union, and load and unload in the subassembly of unblanking in the lock tube, it includes the key pole to unblank the subassembly, overlap in proper order in key body on the key pole, spanner no. 1, spanner no. 2, spanner no. 3 and nut. The utility model discloses the theftproof structure is removed the present special -shaped triangle tapered end, has still set up the lock tube that blocks special -shaped triangle tapered end, do not take off the lock tube and can't open and close the gate valve, and the lock tube hole be the unthreaded hole, needs to unblank the subassembly through the assorted and realizes unblanking, and messenger's gate valve has double -locked theftproof function, its compact structure, and the performance of guarding against theft is better.
Description
Technical field
The utility model is related to a kind of gate valve, particularly a kind of theft-proof gate valve locking mechanism and its unlocking component.
Background technology
Gate valve history used in all kinds of valves at most, and is still occupied an leading position.Gate valve is switch control rule on fluid line
Part, the design of its anti-theft feature is most important for the gate valve on important pipeline, can be prevented effectively from and usurp phenomenon, convenient management.
At present theft-proof gate valve is different according to antitheft principle, using most for mechanical anti-theft gate valve and magnetic anti-theft gate valve,
It is cheap that mechanical anti-theft gate valve compares magnetic anti-theft gate valve, so generalization is higher.But the mechanical anti-theft gate valve master on market
Will by the way that valve rod head is arranged to, special-shaped triangle is antitheft to realize, CN103542161A is proposed the surrounding face of valve rod upper end
Upper formation dentalation, valve rod is operated by the headstock gear with internal tooth, and simple structure, theftproof performance is weaker.
The content of the invention
Technical problem to be solved in the utility model is to be directed to above-mentioned state of the art, there is provided a kind of theftproof performance can
The mechanical type anti-theft gate valve for leaning on and its unlocking component.
The technical scheme that the utility model is adopted for：A kind of locking mechanism and its unlocking component of theft-proof gate valve, including
Valve body, the valve gap being bolted in above the valve body, the flashboard in the valve body is bolted in the valve rod of the flashboard upper end,
Located at the special-shaped triangle tapered end of the valve stem tip, and the handle connect with the special-shaped triangle lock sleeve, it is characterised in that：Also wrap
Include the lock tube being spirally connected with valve gap top endoporus, and the unlocking component being loaded and unloaded in the lock tube, the unlocking component bag
Key bar is included, the key body being placed on successively on the key bar, spanner one, spanner two, spanner three and nut.
It is provided with screw thread outside the lock tube, inside is provided with lock tube circular groove and through hole corresponding with the special-shaped triangle tapered end,
Circular hole is unthreaded hole in the lock tube circular groove and the through hole, and the through-hole diameter is slightly larger than the special-shaped triangle tapered end circumscribed circle
Diameter.
The key bar includes circumscribed circle diameter one section of screw thread incremented by successively from top to bottom, and section is tetragonal square
Section, two sections of screw thread, cylindrical section and conical section.
The key body is divided into cylinder and lower cylinder, and the upper cylinder external diameter is more than the lock tube circular groove, institute
State lower cylinder external diameter and be slightly less than the lock tube circular groove.
Be provided with the cylindrical cavity matched with the key bar cylindrical section inside the key body, and located at cylindrical cavity lower section with
The equal conical cavity of the conical section taper, the cylindrical cavity runs through the key body with the conical cavity.
The key body wall is provided with the axial groove with cylindrical cavity center line as symmetry axis.
The spanner one is provided with and two sections of corresponding internal threads being spirally connected of the screw thread.
The spanner two is provided with two sections of corresponding internal threads being spirally connected of the screw thread and located at the top of the spanner one.
The spanner three is provided with socket square endoporus corresponding with described square section.
Compared with prior art beneficial effect is the utility model：The utility model theft-prevention structure possesses except prior art
Special-shaped triangle tapered end beyond, be also provided with blocking the lock tube of special-shaped triangle tapered end, do not remove lock tube cannot opening and closing gate valve, and lock
Set endoporus is unthreaded hole, and the unlocking component that need to pass through to match is realized unlocking, and makes gate valve have double locking anti-theft feature, its structure
Compact, theftproof performance is more preferable.
Description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model unlocked state structural representation.
Fig. 3 is the utility model lock tube structure sectional view.
Fig. 4 is the utility model key body structure sectional view.
Fig. 5 is the utility model key bar structural representation.
Fig. 6 is the utility model unlocking modular construction schematic diagram.
Fig. 7 is the schematic diagram of the utility model spanner three.
Specific embodiment
The utility model embodiment is further described below in conjunction with accompanying drawing.
Referring to shown in Fig. 1, theft-proof gate valve locking mechanism and its unlocking component, including valve body 1, it is bolted on the valve body 1
The valve gap 2 of side, the flashboard 3 in the valve body 1, the valve rod 4 being spirally connected with the flashboard upper end is bolted on the valve gap 2
The lock tube 5 of side, the unlocking component 6 matched with the lock tube 5.
Referring to shown in Fig. 2, the top of the valve rod 4 is provided with special-shaped triangle tapered end 41, and the special-shaped triangle tapered end 41 can pass through
The handle 7 matched with it rotates to realize that gate valve is opened and closed.The handle 7 is provided with corresponding with the special-shaped triangle tapered end 41
Keyhole 71.
Referring to shown in Fig. 3, being provided with screw thread 51 outside the lock tube 5, the endoporus spiral shell of the screw thread 51 and the upper end of the valve gap 2
Connect.Lock tube circular groove 52 and through hole 53 corresponding with the triangle tapered end 41, the He of lock tube circular groove 52 are provided with inside the lock tube 5
Circular hole is unthreaded hole in the through hole 53, and the diameter of the through hole 52 is slightly larger than the special-shaped circumscribed circle diameter of triangle tapered end 41.
Referring to shown in Fig. 4～7, the unlocking component 6 includes key bar 61, the key being placed on successively on the key bar 61
Key shank 62, spanner 1, spanner 2 64, spanner 3 65 and nut 66.The key bar 61 includes from top to bottom circumscribed circle
One section 611 of diameter external screw thread incremented by successively, section is tetragonal square section 612, two section 613 of external screw thread, the He of cylindrical section 614
Conical section 615.62 points of the key body is upper cylinder 621 and lower cylinder 622, and the external diameter of upper cylinder 621 is more than institute
Lock tube circular groove 52 is stated, the external diameter of lower cylinder 622 is slightly less than the lock tube circular groove 52.It is provided with inside the key body 62 and institute
The cylindrical cavity 623 of the matching of cylindrical section 614 is stated, and it is equal with the taper of the conical section 615 located at the lower section of the cylindrical cavity 623
Conical cavity 624, the cylindrical cavity 623 runs through the key body 62 with the conical cavity 624.The wall of the key body 62 be provided with
The center line of cylindrical cavity 623 is the axial groove 625 of symmetry axis.The spanner 1 is provided with internal thread, with 613 pairs, the screw thread two section
Should be spirally connected.The spanner 2 64 is provided with internal thread, corresponding with two section 613 of the screw thread to be spirally connected, and on the spanner 1
Side.The spanner 3 65 is provided with square endoporus 651, with described square section 612 corresponding sockets.The nut 66 is bolted in described
One section 611 of screw thread, positioned at the top of spanner 3 65.
The utility model original state is as shown in Fig. 2 rotate free opening and closing gate valve by handle.
The utility model is from non-locking to lock-out state operating process：Referring to handle 7 shown in Fig. 1～6, is removed, by key
The screw thread of bar 61 is penetrated for one section 611 from the end of conical cavity 624 of key body 62, makes the conical section 615 and key body 62 of key bar 61
The phase fit of conical cavity 624, cylindrical section 614 is linked in the cylindrical cavity 623 of key body 62, and spanner one 63, spanner is screwed in successively
2 64（It is not required to tighten, keeps key body to close up not softened）, then spanner 3 65 is inserted in into square section 612 of key bar, screw
Nut 66.Cylinder 622 under the end of unlocking component 6 for assembling is loaded in lock tube circular groove 52, spanner 1 is rotated clockwise,
Key bar 61 is set to increase relative to key body 62, with the rising of conical section 615, the axial groove 625 of key body 62 and conical cavity
624 is softened, the lower cylinder 622 of key body swell and with the clamping of lock tube circular groove 52.Rotate clockwise spanner 1 and spanner
2 64（Double nut locks principle）, the internal thread of the upper end of valve gap 2, rotary spanner three will be directed at the lock tube 5 of the clamping of unlocking component 6
65, you can lock tube 5 is screwed in into valve gap 2.Spanner 2 64 is rotated counterclockwise, another mistake hour hands rotating spanner 1 makes the phase of key bar 61
For key body 62 declines, the axial groove 625 of key body 62 restores and closes up, and unclamps with lock tube circular groove 52, you can remove unlocking group
Part, lock tube 5 is screwed in in valve gap 2, is realized locking state and is blocked special-shaped triangle tapered end 41, realizes the antitheft work(of double locking
Energy.
Claims (9)
1. a kind of locking mechanism of theft-proof gate valve and its unlocking component, including valve body, the valve gap being bolted in above the valve body, position
Flashboard in the valve body, is bolted in the valve rod of the flashboard upper end, located at the special-shaped triangle tapered end of the valve stem tip, and
The rotatable handles affixed with the special-shaped triangle tapered end, it is characterised in that：Also include being spirally connected with valve gap top endoporus
Lock tube, and the unlocking component being loaded and unloaded in the lock tube, the unlocking component includes key bar, and the key bar is placed on successively
On key body, spanner one, spanner two, spanner three and nut.
2. a kind of locking mechanism and its unlocking component of theft-proof gate valve according to claim 1, is characterized in that the lock tube
（5）Outside is provided with screw thread（51）, inside is provided with lock tube circular groove（52）And through hole corresponding with the special-shaped triangle tapered end（53）, institute
State lock tube circular groove（52）With the through hole（53）Interior circular hole is unthreaded hole, the through hole（53）Diameter is slightly larger than the special-shaped triangle
Tapered end circumscribed circle diameter.
3. a kind of locking mechanism and its unlocking component of theft-proof gate valve according to claim 1, is characterized in that the key
Bar（61）Including circumscribed circle diameter one section of screw thread incremented by successively from top to bottom（611）, section is tetragonal square section
（612）, two sections of screw thread（613）, cylindrical section（614）And conical section（615）.
4. a kind of locking mechanism and its unlocking component of theft-proof gate valve according to claim 3, is characterized in that the key
Body（62）Inside is provided with and the key bar（61）The cylindrical cavity of cylindrical section matching（623）, and located at cylindrical cavity lower section and institute
State conical section（615）The equal conical cavity of taper（624）, the cylindrical cavity（623）Run through the key body with the conical cavity
（62）.
5. a kind of locking mechanism and its unlocking component of theft-proof gate valve according to claim 3, is characterized in that the spanner
One（63）It is provided with and two sections of the screw thread（613）The corresponding internal thread that is spirally connected.
6. a kind of locking mechanism and its unlocking component of theft-proof gate valve according to claim 3, is characterized in that the spanner
Two（64）It is provided with and two sections of the screw thread（613）Correspond to and be spirally connected internal thread and be located at the spanner one（63）Top.
7. a kind of locking mechanism and its unlocking component of theft-proof gate valve according to claim 3, is characterized in that the spanner
Three（65）It is provided with and described square section（612）Correspondence socket square endoporus（651）.
8. a kind of locking mechanism and its unlocking component of theft-proof gate valve according to claim 1, is characterized in that the key
Body（62）It is divided into cylinder（621）With lower cylinder（622）, the upper cylinder（621）External diameter is more than the lock tube circular groove
（52）, the lower cylinder（622）External diameter is slightly less than the lock tube circular groove（52）.
9. a kind of locking mechanism and its unlocking component of theft-proof gate valve according to claim 1, is characterized in that the key
Body（62）Wall is provided with cylindrical cavity（623）Center line is the axial groove of symmetry axis（625）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162440.8U CN206159627U (en) | 2016-10-25 | 2016-10-25 | Locking structure of theftproof gate valve and subassembly of unblanking thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162440.8U CN206159627U (en) | 2016-10-25 | 2016-10-25 | Locking structure of theftproof gate valve and subassembly of unblanking thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206159627U true CN206159627U (en) | 2017-05-10 |
Family
ID=58655050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621162440.8U Active CN206159627U (en) | 2016-10-25 | 2016-10-25 | Locking structure of theftproof gate valve and subassembly of unblanking thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206159627U (en) |
-
2016
- 2016-10-25 CN CN201621162440.8U patent/CN206159627U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |