CN209839304U - Anti-theft structure for valve with worm gear and worm - Google Patents
Anti-theft structure for valve with worm gear and worm Download PDFInfo
- Publication number
- CN209839304U CN209839304U CN201920014684.9U CN201920014684U CN209839304U CN 209839304 U CN209839304 U CN 209839304U CN 201920014684 U CN201920014684 U CN 201920014684U CN 209839304 U CN209839304 U CN 209839304U
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- worm
- valve
- rotating head
- polygonal
- wheel
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Abstract
The utility model discloses an anti-theft structure for having on valve of turbine worm, including last casing, lower casing, valve rod, hand wheel, worm wheel and worm, during the valve rod inserted the casing, the valve rod upper end was located to the worm wheel, in the upper casing was located to the worm and with the worm wheel cooperation, worm one end, characterized by were aimed at to the hand wheel: the improved worm gear is characterized in that a linkage part is movably arranged in the upper shell, a polygonal rotating head is arranged at the right end of the hand wheel, a cylinder with the diameter smaller than that of the polygonal rotating head is arranged at the right end of the polygonal rotating head, a polygonal groove matched with the polygonal rotating head is formed in the left end of the linkage part, a plurality of notches are formed in the side face of the left worm, a spring groove is formed in the left end of the left worm, a groove matched with the left worm is formed in the right end of the linkage part, and a spring is arranged between. This structure can effectually prevent the maloperation of valve.
Description
Technical Field
The utility model relates to an anti-theft structure for having on valve of turbine worm.
Background
At present, the valve that provides in the market generally includes casing, lower casing, valve rod, hand wheel, worm wheel and worm, and in the valve rod inserted the casing, the valve rod upper end was located to the worm wheel, in the casing just cooperated with the worm wheel was located to the worm, worm one end was located to the hand wheel, and this kind of valve rotates the hand wheel and can drive the valve rod and rotate, and the maloperation that prevents people that can not be fine, non professional also very easy open and close the valve, and then cause unpredictable consequence.
Disclosure of Invention
In view of the deficiency of the background art, the technical problem to be solved by the utility model is to provide an anti-theft structure applied to the valve with the worm gear.
Therefore, the utility model discloses an adopt following technical scheme to realize:
the utility model provides an anti-theft structure for having on valve of turbine worm, includes casing, lower casing, valve rod, hand wheel, worm wheel and worm, and during the valve rod inserted the casing, the valve rod upper end was located to the worm wheel, the worm was located in the upper casing and with the worm wheel cooperation, worm one end, characterized by were aimed at to the hand wheel: the improved worm gear is characterized in that a linkage part is movably arranged in the upper shell, a polygonal rotating head is arranged at the right end of the hand wheel, a cylinder with the diameter smaller than that of the polygonal rotating head is arranged at the right end of the polygonal rotating head, a polygonal groove matched with the polygonal rotating head is formed in the left end of the linkage part, a plurality of notches are formed in the side face of the left worm, a spring groove is formed in the left end of the left worm, a groove matched with the left worm is formed in the right end of the linkage part, and a spring is arranged between.
Communicating threaded holes penetrate through the hand wheel, the polygonal rotating head and the cylinder, a screw rod is screwed in the threaded holes, a polygonal bulge is arranged at the left end of the screw rod, and a T-shaped bolt is screwed at the left end of the threaded hole.
After the technical scheme is adopted, the key is rotated clockwise when the valve is not required to be opened and closed (the lower end of the key is provided with the groove matched with the polygonal protrusion), the screw rod is driven to move rightwards to push the linkage piece to move, the polygonal groove is separated from the polygonal rotating head, the cylinder is positioned in the polygonal groove at the moment, the hand wheel can not be rotated to drive the linkage piece to rotate and only can idle, misoperation is effectively prevented, the counter-clockwise key is used when the valve is required to be opened and closed, the screw rod is driven to move leftwards, the linkage piece moves leftwards under the action of the spring, the linkage piece is inserted into the polygonal groove until the polygonal rotating head is inserted into the polygonal groove, the hand wheel is rotated at the.
Drawings
The utility model discloses there is following figure:
fig. 1 is the structure schematic diagram of the utility model:
fig. 2 is a schematic view of the structure of the middle hand wheel, the linkage part, the valve rod and the like of the present invention.
Detailed Description
Referring to the attached drawings, the utility model provides an anti-theft structure for having on valve of worm gear comprises last casing 1, lower casing 2, valve rod 3, hand wheel 4, worm wheel and worm 17, valve rod 3 inserts in the last casing 1 body, the worm wheel is located the valve rod 3 upper end, worm 17 is located in last casing 1 and cooperates with the worm wheel, hand wheel 4 aims at worm 17 one end, it is equipped with linkage 5 to go up the activity in the casing 1, hand wheel 4 right-hand member is equipped with polygon rotor 6, polygon rotor 6 right-hand member is equipped with diameter and is less than cylinder 7 of polygon rotor 6, linkage 5 left end is equipped with the polygon recess 8 with polygon rotor 6 complex, worm 17 left side has a plurality of breachs 9, the left end is equipped with spring groove 10, linkage 5 right-hand member is equipped with recess 11 with worm 17 left part complex, be equipped with spring 12 between spring groove 10 and the recess 11, hand wheel 4, The polygonal rotating head 6 and the cylinder 7 are provided with communicated threaded holes 13 in a penetrating manner, screw rods 14 are screwed in the threaded holes 13, polygonal bulges 15 are arranged at the left ends of the screw rods 14, and T-shaped bolts 16 are screwed at the left ends of the threaded holes 13 and used for sealing the threaded holes 13.
In this embodiment, when the valve is not required to be opened and closed, the key is rotated clockwise (the lower end of the key is provided with a groove matched with the polygonal protrusion 15), the screw 14 is driven to move rightwards to push the linkage 5 to move rightwards, until the polygonal groove 8 is separated from the polygonal rotating head 6, the cylinder 7 is positioned in the polygonal groove 8 at the moment, the rotating hand wheel 4 cannot drive the linkage 5 to rotate and only can idle, misoperation is effectively prevented, the counter-clockwise key is driven to move leftwards when the valve is required to be opened and closed, the linkage 5 moves leftwards under the action of the spring 12, until the polygonal rotating head 6 is inserted into the polygonal groove 8, the rotating hand wheel 4 can drive the linkage 5 and the worm 17 to rotate, the worm 17 and the worm wheel are matched to drive the valve rod 3 to rotate.
Claims (2)
1. The utility model provides an anti-theft structure for having on valve of turbine worm, includes casing, lower casing, valve rod, hand wheel, worm wheel and worm, and during the valve rod inserted the casing, the valve rod upper end was located to the worm wheel, the worm was located in the upper casing and with the worm wheel cooperation, worm one end, characterized by were aimed at to the hand wheel: the improved worm gear is characterized in that a linkage part is movably arranged in the upper shell, a polygonal rotating head is arranged at the right end of the hand wheel, a cylinder with the diameter smaller than that of the polygonal rotating head is arranged at the right end of the polygonal rotating head, a polygonal groove matched with the polygonal rotating head is formed in the left end of the linkage part, a plurality of notches are formed in the side face of the left worm, a spring groove is formed in the left end of the left worm, a groove matched with the left worm is formed in the right end of the linkage part, and a spring is arranged between.
2. The anti-theft structure for a valve with a worm gear and worm as claimed in claim 1, wherein: the hand wheel, the polygonal rotating head and the cylinder are provided with communicated threaded holes in a penetrating mode, a screw rod is screwed in the threaded holes, the left end of the screw rod is provided with a polygonal bulge, and the left end of the threaded hole is screwed with a T-shaped bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920014684.9U CN209839304U (en) | 2019-01-05 | 2019-01-05 | Anti-theft structure for valve with worm gear and worm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920014684.9U CN209839304U (en) | 2019-01-05 | 2019-01-05 | Anti-theft structure for valve with worm gear and worm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839304U true CN209839304U (en) | 2019-12-24 |
Family
ID=68901184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920014684.9U Active CN209839304U (en) | 2019-01-05 | 2019-01-05 | Anti-theft structure for valve with worm gear and worm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839304U (en) |
-
2019
- 2019-01-05 CN CN201920014684.9U patent/CN209839304U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |