CN214008258U - Butterfly valve with invisible anti-theft opening function - Google Patents
Butterfly valve with invisible anti-theft opening function Download PDFInfo
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- CN214008258U CN214008258U CN202023114061.0U CN202023114061U CN214008258U CN 214008258 U CN214008258 U CN 214008258U CN 202023114061 U CN202023114061 U CN 202023114061U CN 214008258 U CN214008258 U CN 214008258U
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Abstract
The utility model discloses a butterfly valve with invisible anti-theft function, which comprises a valve body assembly, wherein the valve body assembly comprises a valve body, a valve shaft, a valve plate, a sealing assembly and an anti-theft structure, the valve shaft is rotatably arranged on the valve body, the valve plate is positioned in a flow passage of the valve body and connected on the valve shaft, the sealing assembly is arranged in the flow passage of the valve body, and the sealing assembly and the valve plate can form a sealing pair; the anti-theft structure comprises an opening tool, a connecting disc arranged on the valve body, a gland connected on the connecting disc and an upper valve rod rotatably arranged on the gland through a gland nut, wherein after the connecting disc is arranged on the valve body, the valve shaft extends into the connecting disc and the gland; the valve shaft is provided with a first mounting hole and a first special-shaped groove communicated with the first mounting hole, the lower end of the upper valve rod is provided with a second special-shaped groove, and the upper end of the upper valve rod is provided with a second mounting hole communicated with the second special-shaped groove. The utility model discloses unanimous and be provided with the theftproof structure of opening with ordinary valve in the outward appearance, its security performance is better.
Description
Technical Field
The utility model relates to a valve technical field, concretely relates to take butterfly valve of stealthy theftproof function of opening.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are further classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, etc. according to the material.
The butterfly valve is also called as a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which has a closing member (a valve clack or a butterfly plate) as a disk and can rotate around a valve shaft to open and close; the butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
However, most valves in the prior art are opened and closed by using a handle or a hand wheel, such as a hand wheel arranged on a butterfly valve, which is easy to be opened and closed at will by people in actual use, is inconvenient to manage, and has poor safety.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take butterfly valve of stealthy theftproof function, this butterfly valve is unanimous and is provided with the theftproof structure with ordinary valve in appearance, and its security performance is better.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a butterfly valve with a hidden anti-theft function comprises a valve body assembly, wherein the valve body assembly comprises a valve body, a valve shaft, a valve plate, a sealing assembly and an anti-theft structure, the valve shaft is rotatably installed on the valve body, the valve plate is located in a flow passage of the valve body and connected to the valve shaft, the sealing assembly is installed in the flow passage of the valve body, and the sealing assembly and the valve plate can form a sealing pair;
the anti-theft structure comprises an opening tool, a connecting disc arranged on the valve body, a gland connected on the connecting disc and an upper valve rod rotatably arranged on the gland through a gland nut, wherein after the connecting disc is arranged on the valve body, the valve shaft extends into the connecting disc and the gland;
the valve shaft is provided with a first mounting hole and a first special-shaped groove communicated with the first mounting hole, the lower end of the upper valve rod is provided with a second special-shaped groove, the upper end of the upper valve rod is provided with a second mounting hole communicated with the second special-shaped groove, the middle part of the second mounting hole is provided with a thread, the second mounting hole is internally connected with a pressure rod through the thread, a connecting block is arranged in the first special-shaped groove in a sliding manner, the connecting block can move in the first special-shaped groove and the second special-shaped groove, a spring is mounted in the first mounting hole, and the spring pushes the connecting block against the pressure rod; a square bulge is arranged at the upper end of the pressure lever, and a square groove which can be matched with the bulge is arranged on the opening tool; the upper end of the second mounting hole is in threaded connection with a bolt.
Further optimize, seal assembly includes sealing washer, clamping ring and screw, and the sealing washer is installed in the runner of valve body, and the screw is installed the clamping ring back on the valve body, and the anterior top of clamping ring is on the side of sealing washer, and the sealed face of valve plate and the terminal surface of sealing washer form sealed vice.
Wherein the opening tool is a T-shaped sleeve.
Wherein, the upper valve rod is connected with a hand wheel.
Further limiting, the hand wheel is connected with the outer four sides of the upper valve rod through the inner four sides and is fixed through the hexagon bolts.
Wherein, the connecting block lower extreme has the guide post, and the spring upper end cover is on the guide post.
Further optimize, be provided with the screw thread mounting hole on the connection pad.
Wherein, the connecting disc is connected with the gland through a bolt.
The first special-shaped groove and the second special-shaped groove are three-edge grooves, four-edge grooves or five-edge grooves, and the shape of the connecting block is the same as that of the first special-shaped groove and the second special-shaped groove.
Further optimize, the valve body subassembly still includes support, worm gear transmission case and bevel gear transmission case, and the support mounting is on the valve body, and worm gear transmission case installs on the support, and bevel gear transmission case links to each other with worm gear transmission case, the valve shaft is connected with worm gear transmission case's output, the connection pad is connected with bevel gear transmission case, and bevel gear transmission case's input extends into in connection pad and the gland, first mounting hole and first dysmorphism groove set up on bevel gear transmission case's input.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model mainly comprises a valve body, a valve shaft, a valve plate, a sealing component and an anti-theft opening structure, and in the practical use, a first special-shaped groove and a second special-shaped groove are arranged on the upper valve rod and the valve shaft, connecting blocks capable of moving up and down are arranged in the first special-shaped groove and the second special-shaped groove, and the upper valve rod is rotationally connected with a gland; the position of the connecting block is adjusted by connecting a pressing rod with the internal thread of the upper valve rod, and the upper end of the connecting block is contacted with the pressing rod under the action of a spring; under normal conditions, the connecting block is pressed down by the pressure lever, at the moment, the connecting block is positioned in the first special-shaped groove, when the upper valve rod is rotated, the valve shaft of the valve cannot rotate along with the upper valve rod, and the valve cannot be opened and closed normally; when an operator needs to open and close the valve, the opening tool is used and matched with the upper end of the pressure lever, the pressure lever rotates along with the opening tool after rotating the opening tool anticlockwise, and the pressure lever moves upwards at the moment and moves upwards under the action of the spring because the pressure lever is screwed in the middle of the second mounting hole, so that the connecting block is matched with the second special-shaped groove; the upper valve rod is connected with the valve shaft through the connecting block, and the valve shaft rotates along with the upper valve rod when the upper valve rod is rotated, so that the valve is opened; when the valve needs to be closed, the upper valve rod is rotated reversely; after the valve is closed, the opening tool is used for rotating the pressure rod, and the connecting block moves downwards under the action of the pressure rod, so that the connecting block is disengaged from the second special-shaped groove; thus, when the upper valve rod is rotated, the valve shaft cannot rotate; therefore, the appearance of the anti-theft valve is consistent with that of a common valve, and the risk that a special anti-theft mechanism is artificially damaged and an opening tool is imitated to open can be effectively reduced; the safety performance of valve can be very big improvement.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a connection relationship between an anti-tamper structure and a valve shaft according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the opening tool of the present invention.
Fig. 3 is a schematic view of the overall structure of the second embodiment of the present invention.
Reference numerals: 101-valve body, 102-valve shaft, 103-valve plate, 104-sealing component, 105-anti-theft opening structure, 106-flow channel, 107-sealing ring, 108-pressing ring, 109-screw, 110 bracket, 111 worm gear transmission case and 112 bevel gear transmission case;
1-opening tool, 2-threaded mounting hole, 3-connecting disc, 4-gland, 5-compression nut, 6-upper valve rod, 7-first mounting hole, 8-first special-shaped groove, 9-second special-shaped groove, 10-second mounting hole, 11-pressure rod, 12-connecting block, 13-spring, 14-square protrusion, 15-square groove, 16-bolt, 17-hand wheel and 18-guide column.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Example one
The embodiment discloses a butterfly valve with a hidden anti-theft function, which comprises a valve body assembly, wherein the valve body assembly comprises a valve body 101, a valve shaft 102, a valve plate 103, a sealing assembly 104 and an anti-theft structure 105, the valve shaft 102 is rotatably installed on the valve body 101, the valve plate 103 is positioned in a flow passage 106 of the valve body 101 and connected to the valve shaft 102, the sealing assembly 104 is installed in the flow passage 106 of the valve body 101, and the sealing assembly 104 and the valve plate 103 can form a sealing pair;
the anti-theft structure 105 comprises an opening tool 1, a connecting disc 3 arranged on the valve body 101, a gland 4 connected on the connecting disc 3 and an upper valve rod 6 rotatably arranged on the gland 4 through a gland nut 5, and after the connecting disc 3 is arranged on the valve body 101, the valve shaft 102 extends into the connecting disc 3 and the gland 4;
the valve shaft 102 is provided with a first mounting hole 7 and a first special-shaped groove 8 communicated with the first mounting hole 7, the lower end of the upper valve rod 6 is provided with a second special-shaped groove 9, the upper end of the upper valve rod is provided with a second mounting hole 10 communicated with the second special-shaped groove 9, the middle part of the second mounting hole 10 is provided with a thread, a pressure rod 11 is connected in the second mounting hole 10 through the thread, a connecting block 12 is arranged in the first special-shaped groove 8 in a sliding manner, the connecting block 12 can move in the first and second special-shaped grooves, a spring 13 is arranged in the first mounting hole 7, and the spring 13 pushes the connecting block 12 against the pressure rod 11; a square bulge 14 is arranged at the upper end of the pressure lever 11, and a square groove 15 which can be matched with the bulge is arranged on the opening tool 1; the upper end of the second mounting hole 10 is threadedly connected with a bolt 16.
The utility model mainly comprises a valve body 101, a valve shaft 102, a valve plate 103, a sealing component 104 and an anti-theft opening structure 105, and in the actual use, a first special-shaped groove 8 and a second special-shaped groove 9 are arranged on an upper valve rod 6 and the valve shaft 102, and a connecting block 12 capable of moving up and down is arranged in the first special-shaped groove 8 and the second special-shaped groove 9, and the upper valve rod 6 is rotationally connected with a gland 4; and the position of the connecting block 12 is adjusted by screwing the pressure lever 11 in the interior of the upper valve rod 6, and the upper end of the connecting block 12 is in contact with the pressure lever 11 under the action of the spring 13; under normal conditions, the connecting block 12 is pressed down by the pressing rod 11, at the moment, the connecting block 12 is positioned in the first special-shaped groove 8, when the upper valve rod 6 is rotated, the valve shaft 102 of the valve cannot rotate along with the upper valve rod, and the valve cannot be opened or closed normally; when an operator needs to open and close the valve, the opening tool 1 is used, the opening tool 1 is matched with the upper end of the pressure lever 11, the pressure lever 11 rotates along with the opening tool 1 after rotating anticlockwise, and the pressure lever 11 is screwed in the middle of the second mounting hole 10, so that the pressure lever 11 moves upwards, the connecting block 12 moves upwards under the action of the spring 13, and the connecting block 12 is matched with the second special-shaped groove 9; the upper valve rod 6 is connected with the valve shaft 102 through the connecting block 12, and when the upper valve rod 6 is rotated, the valve shaft 102 rotates along with the upper valve rod, so that the valve is opened; when the valve needs to be closed, the upper valve rod 6 is rotated reversely; after the valve is closed, the opening tool 1 is used for rotating the pressure rod 11, and under the action of the pressure rod 11, the connecting block 12 moves downwards, so that the connecting block 12 is disengaged from the second special-shaped groove 9; thus, when the upper stem 6 is rotated further, the valve shaft 102 will not rotate; therefore, the appearance of the anti-theft valve is consistent with that of a common valve, and the risk that a special anti-theft mechanism is artificially damaged and the opening of the starting tool 1 is imitated can be effectively reduced; the safety performance of valve can be very big improvement.
Further preferably, in the present embodiment, the sealing assembly 104 includes a sealing ring 107, a pressing ring 108 and a screw 109, the sealing ring 107 is installed in the flow channel 106 of the valve body 101, after the screw 109 installs the pressing ring 108 on the valve body 101, the front portion of the pressing ring 108 is pressed against the side surface of the sealing ring 107, and the sealing surface of the valve plate 103 and the end surface of the sealing ring 107 form a sealing pair; thus, the sealing performance of the utility model is better; meanwhile, by adopting the sealing structure, the sealing ring 107 can be replaced more conveniently in actual use.
Wherein the opener 1 is a T-shaped sleeve. Therefore, the operation of the pressure rod 11 can be realized after the T-shaped sleeve is matched with the upper end of the pressure rod 11, and the operation is more convenient and quicker.
Wherein, the upper valve rod 6 is connected with a hand wheel 17; in the embodiment, the hand wheel 17 is connected with the outer four sides of the upper valve rod 6 through the inner four sides and is fixed by using a hexagon bolt. The hand wheel 17 is more convenient to install, and the torque transmission effect is better.
Preferably, the lower end of the connecting block 12 is provided with a guide post 18, and the upper end of the spring 13 is sleeved on the guide post 18. In this way, the guide post 18 can guide the spring 13, and the situation that the middle part of the spring 13 is inclined when being compressed can be avoided.
Wherein, the connecting disc 3 is provided with a thread mounting hole 2.
Wherein, the connecting disc 3 is connected with the gland 4 through a bolt 16.
The first special-shaped groove 8 and the second special-shaped groove 9 are three-edge grooves, four-edge grooves or five-edge grooves, and the shape of the connecting block 12 is the same as that of the first special-shaped groove 8 and the second special-shaped groove 9.
Example two
The embodiment is further optimized on the basis of the first embodiment, in the embodiment, the valve body assembly further includes a support 110, a worm gear box 111 and a bevel gear box 112, the support 110 is mounted on the valve body 101, the worm gear box 111 is mounted on the support 110, the bevel gear box 112 is connected with the worm gear box 111, the valve shaft 102 is connected with the output end of the worm gear box 111, the connecting disc 3 is connected with the bevel gear box 112, the input end of the bevel gear box 112 extends into the connecting disc 3 and the gland 4, and the first mounting hole 7 and the first special-shaped groove 8 are arranged on the input end of the bevel gear box 112.
Thus, the worm gear box 111 and the bevel gear box 112 can be arranged, so that the utility model discloses laborsaving more when using, more convenient when using.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.
Claims (10)
1. The utility model provides a take butterfly valve of stealthy theftproof function, includes valve body assembly, its characterized in that: the valve body assembly comprises a valve body, a valve shaft, a valve plate, a sealing assembly and an anti-theft opening structure, wherein the valve shaft is rotatably installed on the valve body, the valve plate is positioned in a flow passage of the valve body and connected to the valve shaft, the sealing assembly is installed in the flow passage of the valve body, and the sealing assembly and the valve plate can form a sealing pair;
the anti-theft structure comprises an opening tool, a connecting disc arranged on the valve body, a gland connected on the connecting disc and an upper valve rod rotatably arranged on the gland through a gland nut, wherein after the connecting disc is arranged on the valve body, the valve shaft extends into the connecting disc and the gland;
the valve shaft is provided with a first mounting hole and a first special-shaped groove communicated with the first mounting hole, the lower end of the upper valve rod is provided with a second special-shaped groove, the upper end of the upper valve rod is provided with a second mounting hole communicated with the second special-shaped groove, the middle part of the second mounting hole is provided with a thread, the second mounting hole is internally connected with a pressure rod through the thread, a connecting block is arranged in the first special-shaped groove in a sliding manner, the connecting block can move in the first special-shaped groove and the second special-shaped groove, a spring is mounted in the first mounting hole, and the spring pushes the connecting block against the pressure rod; a square bulge is arranged at the upper end of the pressure lever, and a square groove which can be matched with the bulge is arranged on the opening tool; the upper end of the second mounting hole is in threaded connection with a bolt.
2. The butterfly valve with the invisible anti-theft function according to claim 1, wherein: the sealing assembly comprises a sealing ring, a pressing ring and a screw, the sealing ring is arranged in a flow channel of the valve body, the screw is used for installing the pressing ring on the valve body, the front part of the pressing ring is propped against the side surface of the sealing ring, and a sealing surface of the valve plate and the end surface of the sealing ring form a sealing pair.
3. The butterfly valve with the invisible anti-theft function according to claim 1, wherein: the opening tool is a T-shaped sleeve.
4. The butterfly valve with the invisible anti-theft function according to claim 1, wherein: the upper valve rod is connected with a hand wheel.
5. The butterfly valve with the invisible anti-theft function according to claim 4, wherein: the hand wheel is connected with the outer four sides of the upper valve rod through the inner four sides and is fixed by the hexagon bolts.
6. The butterfly valve with the invisible anti-theft function according to claim 1, wherein: the lower end of the connecting block is provided with a guide post, and the upper end of the spring is sleeved on the guide post.
7. The butterfly valve with the invisible anti-theft function according to claim 1, wherein: the connecting disc is provided with a threaded mounting hole.
8. The butterfly valve with the invisible anti-theft function according to claim 1, wherein: the connecting disc is connected with the gland through a bolt.
9. The butterfly valve with the invisible anti-theft function according to claim 1, wherein: the first special-shaped groove and the second special-shaped groove are three-edge grooves, four-edge grooves or five-edge grooves, and the shape of the connecting block is the same as that of the first special-shaped groove and the second special-shaped groove.
10. The butterfly valve with the invisible anti-theft function according to any one of claims 1 to 9, wherein: the valve body assembly further comprises a support, a worm gear transmission box and a bevel gear transmission box, the support is mounted on the valve body, the worm gear transmission box is mounted on the support, the bevel gear transmission box is connected with the worm gear transmission box, the valve shaft is connected with the output end of the worm gear transmission box, the connecting disc is connected with the bevel gear transmission box, the input end of the bevel gear transmission box extends into the connecting disc and the gland, and the first mounting hole and the first special-shaped groove are formed in the input end of the bevel gear transmission box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023114061.0U CN214008258U (en) | 2020-12-22 | 2020-12-22 | Butterfly valve with invisible anti-theft opening function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023114061.0U CN214008258U (en) | 2020-12-22 | 2020-12-22 | Butterfly valve with invisible anti-theft opening function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214008258U true CN214008258U (en) | 2021-08-20 |
Family
ID=77289757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023114061.0U Active CN214008258U (en) | 2020-12-22 | 2020-12-22 | Butterfly valve with invisible anti-theft opening function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214008258U (en) |
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2020
- 2020-12-22 CN CN202023114061.0U patent/CN214008258U/en active Active
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