Anti-theft ball valve

Abstract

The utility model discloses an anti-theft ball valve which comprises a valve body, an operating rod is arranged on the top of the valve body, first flange plates are fixedly arranged on the left side and the right side of the valve body in a sleeved mode, a mounting plate is close to the tops of the first flange plates, mounting holes are formed in the mounting plate, and a plurality of screws are arranged on the sides, close to the valve body, of the first flange plates. According to the anti-theft ball valve, the two movable plates are turned over to the front side and the rear side of the operation rod, the movable plates rotate with the pin shaft as the center, the two fixed plates are attached to each other, and therefore the anti-theft ball valve is convenient to use, the anti-theft effect is achieved, and the anti-theft effect is achieved. Compared with the prior art, the device does not need to be installed in a welding mode and only needs to be installed together with the installation plate when an external pipeline is installed, installation is easy, and maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valves, in particular to an anti-theft ball valve. Background Art

[0002] The crude oil in the oily wastewater tanks used in natural gas collection stations and distribution stations is often stolen, which not only causes certain economic losses to the country, but also causes some safety hazards when the wastewater containing the oil is stolen. The ball valve that controls the switch of the oily wastewater tank used in natural gas collection stations and distribution stations usually adopts a threaded or flanged ball valve. When this type of ball valve is used, the wastewater tank can be easily opened by rotating the switch handle on the ball valve, which provides certain convenience for easy theft.

[0003] The existing Chinese patent CN204312845U discloses a device for preventing theft and opening of a ball valve, which comprises a closing sleeve, a latch and a fixing device which match the switch handle on the ball valve; wherein: one end of the latch is horizontally and parallelly fixedly connected with the closing end of the closing sleeve, and there is a 10mm interval between the closing sleeve and the latch, and at the same time, the other end of the latch is provided with an opening for hanging a lock; the fixing device is fixed on the downstream pipeline of the ball valve, and the top of the fixing device is provided with a through hole which matches the size of the latch, and the height of the fixing device is determined according to the specific distance between the switch handle of the ball valve and the downstream pipeline of the ball valve, and after the latch passes through the through hole, the opening on the latch is exposed outside the through hole of the fixing device; using the device in conjunction with ordinary locks on the market, the oil tank can be effectively prevented from being stolen or opened by mistake.

[0004] However, in the actual use of the above patent, the firmware is fixed on the ball valve by welding, and the welding method generates high temperature, which will damage the ball valve itself and affect the service life of the ball valve. At the same time, this installation method is not convenient for replacement, so it is not suitable for promotion and use. Utility Model Content

[0005] The technical problem solved by the utility model is to overcome the defects of the prior art and provide an anti-theft ball valve.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A theft-proof ball valve comprises a valve body, an operating rod is provided on the top of the valve body, a first flange is fixedly sleeved on both sides of the left and right sides of the valve body, a second flange is provided on the side of the first flange away from the valve body, an external pipe is fixedly connected to the side of the second flange away from the first flange, a mounting plate is provided on the side of the first flange close to the valve body, and the mounting plate is close to the top of the first flange, a mounting hole is provided on the mounting plate, a plurality of screws are provided on the side of the first flange close to the valve body, one of the screws movably passes through the mounting hole, a support frame is fixedly connected to the top of the support frame, two movable plates are movably connected to the top of the support frame, the movable plates are respectively located on the front and rear sides of the operating rod, a fixed plate is fixedly connected to the side of the movable plate away from the support frame, and a through hole is provided on the fixed plate.

[0008] Preferably, flange holes are formed on the first flange and the second flange, and the screws are movably inserted through adjacent flange holes and are sleeved with nuts.

[0009] Preferably, a second connecting plate is fixedly connected to the bottom of the movable plate, a first connecting plate is provided on both the left and right sides of the second connecting plate, the first connecting plate is fixedly connected to the top of the support frame, a pin shaft is passed through the second connecting plate, and both ends of the pin shaft pass through adjacent first connecting plates.

[0010] Preferably, the two movable plates are symmetrically arranged front to back with the central axis of the support frame as the axis of symmetry, the cross section of the movable plate is arc-shaped, and the arc-shaped opening faces the operating rod.

[0011] Preferably, the cross section of the mounting plate is arc-shaped, and the arc-shaped opening faces the valve body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses an anti-theft ball valve, which has two movable plates flipped to the front and rear sides of an operating rod, and the movable plates rotate with a pin shaft as the center, and at the same time, the two fixed plates are fitted with each other, and then a common lock on the market is used to pass through two through holes and lock it, so as to achieve the purpose of preventing theft or accidental opening. Compared with the prior art, the device does not need to be installed by welding, and only needs to be installed together with the mounting plate when installing the external pipeline, so the installation is simple and convenient for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the utility model;

[0015] Figure 2 A three-dimensional diagram of the valve body of the utility model component;

[0016] Figure 3A three-dimensional diagram of a component mounting plate of the utility model;

[0017] Figure 4 It is a three-dimensional diagram of the movable plate of the utility model component.

[0018] Numbers in the figure: 1. valve body; 2. first flange; 3. second flange; 4. external pipe; 5. flange hole; 6. operating lever; 7. screw; 8. nut; 9. mounting plate; 10. mounting hole; 11. support frame; 12. movable plate; 13. first connecting plate; 14. second connecting plate; 15. pin shaft; 16. fixed plate; 17. through hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution: an anti-theft ball valve, comprising a valve body 1, an operating rod 6 is provided on the top of the valve body 1, a first flange 2 is fixedly sleeved on both the left and right sides of the valve body 1, a second flange 3 is provided on the side of the first flange 2 away from the valve body 1, an external pipe 4 is fixedly connected to the side of the second flange 3 away from the first flange 2, a mounting plate 9 is provided on the side of the first flange 2 close to the valve body 1, the cross section of the mounting plate 9 is arc-shaped, and the arc opening faces the valve body 1, and the mounting plate 9 is close to the top of the first flange 2, and a mounting hole 10 is opened on the mounting plate 9, and a plurality of screws 7 are provided on the side of the first flange 2 close to the valve body 1, and one of the screws 7 movably passes through the mounting hole 10;

[0021] Flange holes 5 are provided on the first flange 2 and the second flange 3, screws 7 are movably passed through adjacent flange holes 5, and nuts 8 are sleeved thereon, a support frame 11 is fixedly connected to the top of the mounting plate 9, two movable plates 12 are movably connected to the top of the support frame 11, a second connecting plate 14 is fixedly connected to the bottom of the movable plate 12, a first connecting plate 13 is provided on the left and right sides of the second connecting plate 14, the first connecting plate 13 is fixedly connected to the top of the support frame 11, a pin 15 is passed through the second connecting plate 14, both ends of the pin 15 pass through the adjacent first connecting plates 13, the movable plates 12 are respectively located on the front and rear sides of the operating rod 6, the two movable plates 12 are symmetrically arranged front and back with the central axis of the support frame 11 as the axis of symmetry, the cross-section of the movable plate 12 is arc-shaped, and the arc-shaped opening faces the operating rod 6, the side of the movable plate 12 away from the support frame 11 is fixedly connected to a fixed plate 16, and a through hole 17 is provided on the fixed plate 16.

[0022] Working principle: During use, when connecting the valve body 1 to the external pipe 4, first move the external pipe 4, fit the second flange 3 on the external pipe 4 with the side wall of the first flange 2, then move the mounting plate 9, fit the mounting plate 9 with the side of the first flange 2 close to the valve body 1, then move the screws 7, pass one of the screws 7 through the mounting hole 10 on the mounting plate 9, then pass the screw 7 through the flange hole 5 on the first flange 2 and the second flange 3, and at the same time pass the remaining screws 7 through the flange holes 5 on the first flange 2 and the second flange 3, then put on the nut 8 and tighten it, so as to complete the installation of the external pipe 4, and also complete the installation of the mounting plate 9, and then open the valve body 1 through the operating lever 6, as shown in FIG. Figure 1 and Figure 2 After reaching the state shown, the two movable plates 12 are flipped over to the front and rear sides of the operating rod 6. The movable plates 12 rotate around the pin shaft 15, and at the same time, the two fixed plates 16 are fitted together. Then, a common lock on the market is used to pass through the two through holes 17 and lock it, so as to achieve the purpose of preventing theft or accidental opening. Compared with the prior art, the device does not need to be installed by welding, but only needs to be installed together with the mounting plate 9 when installing the external pipe 4. It is simple to install and easy to maintain.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0028] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An anti-theft ball valve, comprising a valve body, a top of which is provided with an operating rod, characterized in that: The left and right sides of the valve body are fixedly sleeved with a first flange, the side of the first flange away from the valve body is provided with a second flange, the side of the second flange away from the first flange is fixedly connected to an external pipe, the side of the first flange close to the valve body is provided with a mounting plate, and the mounting plate is close to the top of the first flange, a mounting hole is provided on the mounting plate, a side of the first flange close to the valve body is provided with a plurality of screws, one of the screws movably passes through the mounting hole, the top of the mounting plate is fixedly connected to a support frame, the top of the support frame is movably connected to two movable plates, the movable plates are respectively located at the front and rear sides of the operating rod, the side of the movable plate away from the support frame is fixedly connected to a fixed plate, and a through hole is provided on the fixed plate.

2. The anti-theft ball valve according to claim 1, characterized in that: The first flange and the second flange are both provided with flange holes, and the screws are movably inserted through the adjacent flange holes and are sleeved with nuts.

3. The anti-theft ball valve according to claim 1, characterized in that: A second connecting plate is fixedly connected to the bottom of the movable plate, a first connecting plate is provided on both sides of the left and right sides of the second connecting plate, the first connecting plate is fixedly connected to the top of the support frame, a pin shaft passes through the second connecting plate, and both ends of the pin shaft pass through adjacent first connecting plates.

4. The anti-theft ball valve according to claim 1, characterized in that: The two movable plates are symmetrically arranged front and back with the central axis of the support frame as the symmetry axis. The cross section of the movable plate is arc-shaped, and the arc-shaped opening faces the operating rod.

5. The anti-theft ball valve according to claim 1, characterized in that: The cross section of the mounting plate is arc-shaped, and the arc-shaped opening faces the valve body.

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