Anti-theft water meter ball valve

Abstract

The utility model provides an anti-theft water meter ball valve which comprises a valve body, a valve ball, a valve rod and a handle. The anti-theft water meter ball valve further comprises a locking piece. The locking piece comprises a locking ring and a locking arm which is connected to the outer wall of the locking ring and extends in the radial direction of the locking ring, a first locking hole is vertically formed in the outer end of the locking arm, and the locking ring is connected to the portion, located on the outer side of the valve rod, of the valve body in a sleeving mode and fastened to the valve body. A rotating arm extending in the radial direction of the handle is arranged on the outer wall of the handle, a second lock hole is vertically formed in the outer end of the rotating arm, and when the handle drives the valve ball to rotate through the valve rod so that the anti-theft water meter ball valve can be in a closed state, the second lock hole is vertically aligned with the first lock hole; the second lock hole and the first lock hole are used for allowing a lock beam of the padlock to penetrate through at the same time so that the padlock can lock the handle and the locking piece in the circumferential direction. A rotary limiting structure is arranged between the handle and the locking piece; the situation that the water meter ball valve is opened by any person at will can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field, specifically, relate to a kind of theftproof water meter ball valve. BACKGROUND

[0002] Water meter ball valve is used to install the valve body type on the pipeline of water meter front stage, and the water meter ball valve on market currently does not have the structure of anti-theft opening, so that water meter ball valve can be opened by anyone at will, such as water meter ball valve is opened at will, and when user's indoor pipeline is not completely connected, it will cause the situation of indoor pipeline leakage, and further it will cause user's trouble of leakage. CONTENT OF UTILITY MODEL

[0003] The technical problem to be solved by the utility model is to provide a kind of theftproof water meter ball valve, which can avoid the situation that water meter ball valve is opened by anyone at will.

[0004] The utility model provides a kind of theftproof water meter ball valve, including valve body, valve ball, valve rod and handle;Valve ball is installed in the inside of valve body, valve rod is installed in the valve body above valve ball, the lower end of valve rod is matched with the top of valve ball and is circumferentially limited, handle is fixed in the upper end of valve rod;Theftproof water meter ball valve further includes locking piece;Locking piece includes locking ring and the locking arm of the outer wall of locking ring is connected and extends along the radial direction of locking ring, first lock hole is vertically provided on the outer end of locking arm, locking ring is sleeved on the valve body on the outer side of valve rod and is fastened with valve body;The outer wall of handle is provided with rotating arm extending along the radial direction of handle, second lock hole is vertically provided on the outer end of rotating arm, when handle drives valve ball to rotate to make theftproof water meter ball valve be in closed state, second lock hole is vertically aligned with first lock hole, and second lock hole and first lock hole are used to simultaneously pass through the lock bar of padlock to make padlock circumferentially lock handle and locking piece;Rotary limiting structure is arranged between handle and locking piece.

[0005] In the use process, when handle drives valve ball to rotate to make theftproof water meter ball valve be in closed state, second lock hole can be vertically aligned with first lock hole, at this time, second lock hole and first lock hole can simultaneously pass through the lock bar of padlock to make padlock circumferentially lock handle and locking piece, so as to avoid the situation that water meter ball valve is opened by anyone at will.

[0006] In a possible implementation, the side wall of locking ring is radially provided with pin threaded connection with locking ring, the inner end of pin is abutted with the outer side wall of valve body at the position of valve rod to make locking piece and valve body lock together;After adopting this structure, under the action of pin, since the inner end of pin is abutted with the outer side wall of valve body at the position of valve rod, locking ring and valve body can be locked together, that is, the locking of locking piece and valve body is realized.

[0007] In one possible implementation, an outer side wall of the valve body at a position where the valve stem is located is provided with a limiting boss, and an inner wall of the locking ring is provided with a limiting groove matched with the limiting boss, the limiting boss is embedded in the limiting groove to limit the locking ring in the circumferential direction of the valve body; after this structure is adopted, the locking member can be further limited to rotate in the circumferential direction of the valve body under the action of the limiting boss and the limiting groove, so that the reliability of the locking member after being fastened with the valve body can be effectively improved, and the anti-theft water meter ball valve can be effectively prevented from being opened at will.

[0008] In one possible implementation, the rotation limiting structure includes a limiting block provided at an upper edge of the locking ring, and an arc-shaped groove is provided at a lower end of the handle, the limiting block is inserted in the arc-shaped groove and can slide along the arc-shaped groove; when the handle drives the valve ball to rotate through the valve stem, the limiting block and the arc-shaped groove are used to cooperate to limit the rotation range of the handle to switch the anti-theft water meter ball valve between the open state and the closed state; after this structure is adopted, the rotation range of the handle relative to the locking member can be limited, i.e., the handle can only rotate within a set rotation range, so that the anti-theft water meter ball valve can only be switched between the open state and the closed state; in addition, the limiting block can abut against one end of the arc-shaped groove when the anti-theft water meter ball valve is opened, and the limiting block can abut against the other end of the arc-shaped groove when the anti-theft water meter ball valve is closed. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 is a sectional view of the present application;

[0010] Fig. 2 is a first three-dimensional view of the present application after part of the structure is removed;

[0011] Fig. 3 is a second three-dimensional view of the present application after part of the structure is removed. DETAILED DESCRIPTION

[0012] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed in order to adapt to specific application occasions.

[0013] In the description of the embodiments of the present application, it should be noted that unless specifically defined and limited otherwise, the terms "connected", "connected to", "connection" should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0014] In the embodiments of the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature can be 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, the first feature can be "above", "over" and "on" the second feature, which can be that the first feature is directly above or obliquely above the second feature, or only means that the horizontal height of the first feature is higher than that of the second feature. The first feature can be "below", "under" and "under" the second feature, which can be that the first feature is directly below or obliquely below the second feature, or only means that the horizontal height of the first feature is less than that of the second feature.

[0015] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0016] Referring to Figs. 1-3 As shown in the drawings, the present application discloses a kind of anti-theft water meter ball valve, including valve body 1, valve ball 2, valve stem 3 and handle 4;Valve ball 2 is installed in the inside of valve body 1, valve stem 3 is installed in the valve body 1 located above valve ball 2, the lower end of valve stem 3 is matched with the top of valve ball 2 and is circumferentially limited, handle 4 is fixed on the upper end of valve stem 3;Anti-theft water meter ball valve further includes locking piece 5;Locking piece 5 includes locking ring 51 and locking arm 52 connected on the outer wall of locking ring 51 and extending along the radial direction of locking ring 51, first lock hole 521 is vertically arranged on the outer end of locking arm 52, locking ring 51 is sleeved on the valve body 1 located on the outer side of valve stem 3 and is fastened with valve body 1;Rotary arm 41 extending along the radial direction of handle 4 is arranged on the outer wall of handle 4, second lock hole 42 is vertically arranged on the outer end of rotary arm 41, when handle 4 drives valve ball 2 to rotate through valve stem 3 to make anti-theft water meter ball valve be in closed state, second lock hole 42 is vertically aligned with first lock hole 521, and second lock hole 42 and first lock hole 521 are used for simultaneously passing through the lock beam of padlock to make padlock circumferentially lock handle 4 and locking piece 5;Rotary limiting structure is arranged between handle 4 and locking piece 5.

[0017] A pin 53 is radially provided on the side wall of the locking ring 51 and is threadedly connected with the locking ring 51, and the inner end of the pin 53 abuts against the outer side wall of the valve body 1 at the position of the valve rod 3 to lock the locking member 5 with the valve body 1. With the structure, the locking ring is locked with the valve body under the action of the pin, i.e. the locking of the locking member with the valve body is realized.

[0018] The outer side wall of the valve body 1 at the position of the valve rod 3 is provided with a limiting boss 11, and the inner wall of the locking ring 51 is provided with a limiting groove 511 matched with the limiting boss 11, and the limiting boss 11 is embedded in the limiting groove 511 to limit the locking ring 51 circumferentially with the valve body 1. With the structure, the circumferential rotation of the locking member relative to the valve body is further limited under the action of the limiting boss and the limiting groove, so that the reliability of the locking member after fastening with the valve body is effectively improved, and the anti-theft water meter ball valve is effectively prevented from being opened at will.

[0019] The rotation limiting structure comprises a limiting block 512 provided on the upper edge of the locking ring 51, and the lower end of the handle 4 is provided with an arc-shaped groove 43, and the limiting block 512 is inserted in and can slide along the arc-shaped groove 43. When the handle 4 drives the valve ball 2 to rotate through the valve rod 3, the limiting block 512 and the arc-shaped groove 43 are used to limit the rotation range of the handle 4 to switch the anti-theft water meter ball valve between the open state and the closed state. With the structure, the rotation range of the handle relative to the locking member is limited under the cooperation of the limiting block and the arc-shaped groove, i.e. the handle can only rotate within the set rotation range, so that the anti-theft water meter ball valve can only be switched between the open state and the closed state. In addition, the limiting block can abut against one end of the arc-shaped groove when the anti-theft water meter ball valve is opened, and can abut against the other end of the arc-shaped groove when the anti-theft water meter ball valve is closed.

[0020] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which shall be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A theftproof water meter ball valve, comprising a valve body (1), a valve ball (2), a valve rod (3) and a handle (4); the valve ball (2) is installed inside the valve body (1), the valve rod (3) is installed in the valve body (1) above the valve ball (2), the lower end of the valve rod (3) is matched and inserted with the top of the valve ball (2) and is circumferentially limited, and the handle (4) is fixed on the upper end of the valve rod (3); characterized in that: The anti-theft water meter ball valve further comprises a locking member (5); the locking member (5) comprises a locking ring (51) and a locking arm (52) connected to the outer wall of the locking ring (51) and extending in the radial direction of the locking ring (51), a first lock hole (521) is vertically arranged on the outer end of the locking arm (52), the locking ring (51) is sleeved on the valve body (1) located outside the valve rod (3) and is fastened with the valve body (1); a rotating arm (41) extending in the radial direction of the handle (4) is arranged on the outer wall of the handle (4), a second lock hole (42) is vertically arranged on the outer end of the rotating arm (41), when the handle (4) drives the valve ball (2) to rotate through the valve rod (3) to make the anti-theft water meter ball valve in the closed state, the second lock hole (42) is vertically aligned with the first lock hole (521), and the second lock hole (42) and the first lock hole (521) are used for simultaneously passing through the lock bar of the padlock to make the padlock circumferentially lock the handle (4) and the locking member (5); a rotation limiting structure is arranged between the handle (4) and the locking member (5).

2. The theft resistant water meter ball valve of claim 1, wherein: A pin (53) is radially arranged on the side wall of the locking ring (51) and is screwed with the locking ring (51), the inner end of the pin (53) abuts against the outer side wall of the valve body (1) located at the position of the valve rod (3) to make the locking member (5) cooperate with the valve body (1) to lock.

3. The theft resistant water meter ball valve of claim 2, wherein: The outer side wall of the valve body (1) located at the position of the valve rod (3) is provided with a limiting boss (11), a limiting groove (511) matched with the limiting boss (11) is arranged on the inner wall of the locking ring (51), and the limiting boss (11) is embedded in the limiting groove (511) to make the locking ring (51) circumferentially limited with the valve body (1).

4. A tamperproof water meter ball valve according to any one of claims 1 to 3 wherein: The rotation limiting structure comprises a limiting block (512) arranged on the upper edge of the locking ring (51), an arc-shaped groove (43) is arranged on the lower end of the handle (4), the limiting block (512) is inserted into the arc-shaped groove (43) and can slide along the arc-shaped groove (43); when the handle (4) drives the valve ball (2) to rotate through the valve rod (3), the limiting block (512) and the arc-shaped groove (43) are used for cooperating to limit the rotation range of the handle (4) to make the anti-theft water meter ball valve switch between the open state and the closed state.

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