CN111577925A - Ball valve with anti-theft function - Google Patents

Abstract

The invention relates to a ball valve with an anti-theft function, which comprises: the ball valve with the anti-theft function comprises a valve body with a through pipeline, a first connecting pipe and a second connecting pipe which are arranged at two ends of the pipeline respectively, and a valve core arranged between the first connecting pipe and the second connecting pipe, wherein the valve core is in sealing fit with the first connecting pipe and the second connecting pipe, a rotating rod perpendicular to the extending direction of the pipeline is arranged on the valve core, one end of the rotating rod is fixedly connected with the valve core, the other end of the rotating rod extends out of the valve body, the rotating rod can control the on-off of the ball valve through rotation, and the ball valve with the anti-theft function further comprises: the drive shaft and at least one locking subassembly, the advantage of above-mentioned technical scheme lies in: through setting up swing arm, drive shaft and locking subassembly for the opening and close of ball valve need be unblock, thereby makes the ball valve be difficult to be opened by the people who does not know the correct unblock position, with the theftproof nature that has improved the ball valve.

Description

Ball valve with anti-theft function

Technical Field

The invention relates to the field of valves, in particular to a ball valve with an anti-theft function.

Background

Ball valves are widely used in oil field well heads, oil tanks, gathering and transportation stations, oil and gas pipeline systems and petrochemical industries, and people usually control the flow of liquid and gas by arranging valves such as ball valves, and most of the ball valves can be opened and closed freely. For management, some position of the ball valve forbids random opening and closing, such as a pipeline main gate and the like, and a locking device is required on the ball valve to prevent others from opening the valve without permission to steal oil gas. In order to achieve the anti-theft effect, various anti-theft ball valves appear in the market, and some anti-theft ball valves are complex in structure and inconvenient to use; some anti-theft ball valves have simple structures and poor anti-theft effects.

The utility model discloses a patent is granted utility model patent of bulletin number CN202469200U and is disclosed a area lock theftproof ball valve, this theftproof ball valve include the lock sleeve, and on the lock sleeve was located between valve rod support and the valve rod and was fixed in the circumference inside wall of valve rod support through the fixed pin, still was equipped with the locking device by key control between lock sleeve and the valve rod. The locking device is also complicated in structure, and includes a displacement pin, a locking pin and a telescopic spring. When the anti-theft ball valve is used, a manager controls the locking of the ball valve through the key, and the key is collected when the anti-theft ball valve is not used, so that the anti-theft effect is achieved. The anti-theft ball valve has a complex structure, and the ball valve is not easy to open when a key is lost in the using process, so that troubles are brought to a user.

Disclosure of Invention

In view of the above, it is necessary to provide a ball valve with an anti-theft function, which prevents the ball valve from being opened easily by providing a locking structure.

The invention discloses a ball valve with an anti-theft function, which comprises: the ball valve with the anti-theft function comprises a valve body with a through pipeline, a first connecting pipe and a second connecting pipe which are arranged at two ends of the pipeline respectively, and a valve core arranged between the first connecting pipe and the second connecting pipe, wherein the valve core is in sealing fit with the first connecting pipe and the second connecting pipe, a rotating rod perpendicular to the extending direction of the pipeline is arranged on the valve core, one end of the rotating rod is fixedly connected with the valve core, the other end of the rotating rod extends out of the valve body, the rotating rod can control the on-off of the ball valve through rotation, and the ball valve with the anti-theft function further comprises: the driving shaft is sleeved on the rotating rod and is connected with the rotating rod in a sliding but non-relative-rotating mode, at least one abutting protrusion is arranged on the driving shaft, a sliding groove is formed in the valve body in the vertical direction, an annular slide way communicated with the sliding groove is further formed in the valve body, the driving shaft is provided with a first working position and a second working position, when the driving shaft is located at the first working position, the abutting protrusion is located in the sliding groove, so that the driving shaft cannot rotate, and when the driving shaft is located at the second working position, the abutting protrusion is located in the annular slide way, so that the driving shaft can rotate, and the rotating rod is driven to rotate; the locking subassembly includes the first locking piece of level setting and the second locking piece of vertical setting, first locking piece swivelling joint in the valve body, first locking piece comprises the first bevel gear and the lock dish of coaxial setting, seted up on the lock dish and avoided the groove, the lock dish set up in the spout with in order to restrict between the annular slide the protruding slip of butt, work as dodge the groove on the lock dish rotatory extremely the spout with when between the annular slide, the butt arch can the spout with freely move between the annular slide, the second locking piece comprises second bevel gear and axis body, the axis body stretches out the valve body, second bevel gear with first bevel gear meshes, through the rotation the axis body can drive the lock dish is rotatory.

In one embodiment, the driving shaft is provided with four abutting protrusions in an annular distribution mode, the valve body is provided with four avoidance grooves corresponding to the abutting protrusions, and the valve further comprises four locking assemblies which are arranged between the four sliding grooves and the annular slide way in a one-to-one correspondence mode.

In one embodiment, the valve body includes a sleeve portion, a functional portion, and a support portion, the first connecting tube and the second connecting tube are connected to the sleeve portion, the functional portion is disposed on an upper portion of the sleeve portion, the locking assembly is disposed on the functional portion, the support portion is disposed on a lower portion of the sleeve portion, the upper portion of the valve core abuts against the functional portion, the lower portion abuts against the support portion, the pipeline is disposed on the sleeve portion, and the chute and the annular slide are disposed on the functional portion.

In one embodiment, a handle member is fixedly attached to an upper end of the drive shaft.

In one embodiment, a sealing ring is arranged between the first connecting pipe and the valve body, and a sealing ring is also arranged between the second connecting pipe and the valve body.

In one embodiment, a knob is arranged at one end of the shaft body, which extends out of the valve body, and scale values are marked on the knob.

In one embodiment, the rotating rod is provided with a sliding groove extending along the vertical direction, and the driving shaft is provided with a sliding block capable of sliding along the sliding groove.

The technical scheme has the advantages that: through setting up swing arm, drive shaft and locking subassembly for the opening and close of ball valve need be unblock, thereby makes the ball valve be difficult to be opened by the people who does not know the correct unblock position, with the theftproof nature that has improved the ball valve.

Drawings

Fig. 1 is a sectional view illustrating a first operation state of a ball valve having an anti-theft function according to the present invention;

FIG. 2 is a cross-sectional view taken along plane A-A of FIG. 1 in accordance with the present invention;

fig. 3 is a perspective view of a driving shaft of a ball valve having an anti-theft function according to the present invention;

fig. 4 is a perspective view of a partial structure of a functional portion of a ball valve having an anti-theft function according to the present invention;

fig. 5 is a sectional view showing a partial structure of a functional portion of a ball valve having an anti-theft function according to the present invention;

fig. 6 is a perspective view of a first locking block of a ball valve with an anti-theft function according to the present invention;

fig. 7 is a sectional view illustrating a second operation state of the ball valve having an anti-theft function according to the present invention.

In the figure, the valve body 10, the pipe sleeve portion 11, the pipe 111, the function portion 12, the slide groove 121, the annular slide 122, the support portion 13, the first connection pipe 20, the second connection pipe 30, the valve core 40, the rotary rod 50, the slide groove 51, the drive shaft 60, the slider 61, the abutment protrusion 62, the lock assembly 70, the first lock block 71, the first bevel gear 711, the lock disc 712, the avoiding groove 713, the second lock block 72, the second bevel gear 721, the shaft body 722, the knob 73, the handle member 80, and the seal ring 90.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the present invention discloses a ball valve with an anti-theft function, comprising: the ball valve comprises a valve body 10 having a pipeline 111, a first connecting pipe 20 and a second connecting pipe 30 respectively arranged at two ends of the pipeline 111, and a valve core 40 arranged between the first connecting pipe 20 and the second connecting pipe 30, wherein the valve core 40 is in sealing fit with the first connecting pipe 20 and the second connecting pipe 30, the valve core 40 is provided with a rotary rod 50 perpendicular to the extending direction of the pipeline 111, one end of the rotary rod 50 is fixedly connected to the valve core 40, the other end of the rotary rod extends out of the valve body 10, and the rotary rod 50 is rotated to drive the valve core 40 to rotate so as to control the on-off of the ball valve, and the ball valve with the anti-theft function further comprises: a driving shaft 60 and at least one locking assembly 70, wherein the driving shaft 60 is a hollow structure, sleeved on the rotating rod 50, and connected with the rotating rod 50 in a slidable but non-rotatable manner, as shown in fig. 3, the driving shaft 60 is provided with at least one abutting protrusion 62, as shown in fig. 4 and 5, a sliding groove 121 is formed in the valve body 10 along the vertical direction, an annular sliding groove 122 communicated with the sliding groove 121 is further formed in the valve body 10, the driving shaft 60 has a first working position and a second working position, as shown in fig. 1, when the driving shaft 60 is located at the first working position, the abutting protrusion 62 is located in the sliding groove 121, so that the driving shaft 60 cannot rotate, as shown in fig. 7, when the driving shaft 60 is located at the second working position, the abutting protrusion 62 is located in the annular sliding groove 122, so as to rotate, and further drive the rotary rod 50 to rotate; the locking assembly 70 includes a horizontally disposed first locking block 71 and a vertically disposed second locking block 72, the first locking piece 71 is rotatably connected to the valve body 10, as shown in fig. 6, the first locking piece 71 is composed of a first bevel gear 711 and a locking disc 712 which are coaxially arranged, the lock disc 712 is provided with an avoiding groove 713, the lock disc 712 is disposed between the sliding groove 121 and the annular sliding channel 122 to limit the sliding of the abutting protrusion 62, when the escape slot 713 of the lock collar 712 is rotated between the slide slot 121 and the annular slide 122, the abutment projection 62 is freely movable between the runner 121 and the annular slide 122, the second locking piece 72 is composed of a second bevel gear 721 and a shaft body 722, the shaft body 722 extends out of the valve body 10, the second bevel gear 721 is engaged with the first bevel gear 711, and the lock collar 712 can be rotated by rotating the shaft body 722.

As shown in fig. 7, the second lock piece 72 is rotated to drive the first lock piece 71, so that the escape groove 713 is rotated to a position between the slide groove 121 and the annular slide rail 122, and the abutment protrusion 62 can be moved from the slide groove 121 to the annular slide rail 122, so that the rotating rod 50 can be freely rotated.

Further, be provided with four butt archs 62 on the drive shaft 60 in the annular distribution, on the valve body 10 with butt archs 62 correspond be provided with four and dodge groove 713, still include four locking subassemblies 70, one-to-one set up in four spout 121 with between the annular slide 122.

It is worth mentioning that, when only one locking subassembly 70, will dodge groove 713 to rotate to the correct unblock position easily through the mode of trial and error, lead to the theftproof ability of ball valve lower, set up a plurality of butt archs 62 and locking subassembly 70 through being the annular on drive shaft 60, make only when dodging groove 713 of a plurality of locking subassemblies 70 all rotate to the unblock position when, a plurality of butt archs 62 can only move to annular slide 122 simultaneously in, accomplish the unblock, therefore, the theftproof ability of ball valve has greatly been improved.

It should be noted that the four abutting protrusions 62 are located in the same plane and can slide into the annular slide way 122 at the same time, so that the internal structure of the ball valve is greatly simplified without affecting the unlocking function.

Preferably, the valve body 10 includes a pipe sleeve portion 11, a function portion 12, and a support portion 13, the first connection pipe 20 and the second connection pipe 30 are connected to the pipe sleeve portion 11, the function portion 12 is disposed on an upper portion of the pipe sleeve portion 11, the locking assembly 70 is disposed in the function portion 12, the support portion 13 is disposed on a lower portion of the pipe sleeve portion 11, an upper portion of the valve core 40 abuts against the function portion 12, a lower portion abuts against the support portion 13, the pipe 111 is disposed on the pipe sleeve portion 11, and the sliding groove 121 and the annular sliding channel 122 are disposed on the function portion 12.

It should be noted that sealing rings are disposed at the joints between the sleeve portion 11, the functional portion 12, and the support portion 13 to improve the sealing performance of the ball valve.

It is worth mentioning that the valve body 10 is divided into a plurality of parts for easy disassembly and maintenance.

Preferably, a handle member 80 is fixedly coupled to the upper end of the driving shaft 60. It will be appreciated that the handle member 80 can facilitate rotation of the drive shaft 60.

Preferably, a sealing ring 90 is disposed between the first connection pipe 20 and the valve body 10, and a sealing ring 90 is also disposed between the second connection pipe 30 and the valve body 10.

Preferably, a knob 73 is arranged at one end of the shaft body 722 extending out of the valve body 10, and scale values are marked on the knob 73. It will be appreciated that the scale is marked to facilitate adjustment of the angle of the knob 73.

Preferably, the rotating rod 50 is provided with a sliding groove 51 extending in a vertical direction, the driving shaft 60 is fixedly provided with a sliding block 61, and the sliding block 61 can slide along the sliding groove 51.

The working mode of the invention is as follows: as shown in fig. 1, when the driving shaft 60 is located at the first working position, the abutting protrusion 62 is located in the sliding groove 121, so that the driving shaft 60 cannot rotate, the first locking block 71 is driven to rotate by rotating the knob 73, the avoiding groove 713 is moved to the unlocking position, so that the abutting protrusion 62 is moved into the annular slide way 122, as shown in fig. 7, when the driving shaft 60 is located at the second working position, the abutting protrusion 62 is located in the annular slide way 122, so that the rotating rod 50 can be rotated, and the on-off of the ball valve is controlled.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (7)

1. A ball valve with an anti-theft function, comprising: the ball valve is characterized in that the ball valve with the anti-theft function further comprises a valve body which penetrates through a pipeline, a first connecting pipe and a second connecting pipe which are arranged at two ends of the pipeline respectively, and a valve core which is arranged between the first connecting pipe and the second connecting pipe, wherein the valve core is in sealing fit with the first connecting pipe and the second connecting pipe, a rotating rod which is perpendicular to the extending direction of the pipeline is arranged on the valve core, one end of the rotating rod is fixedly connected with the valve core, the other end of the rotating rod extends out of the valve body, and the rotating rod can control the on-off state of the ball valve through rotation, and the ball valve with the:

the driving shaft is sleeved on the rotating rod and is connected with the rotating rod in a sliding but non-relative-rotating mode, at least one abutting protrusion is arranged on the driving shaft, a sliding groove is formed in the valve body in the vertical direction, an annular sliding way communicated with the sliding groove is further formed in the valve body, the driving shaft is provided with a first working position and a second working position, when the driving shaft is located at the first working position, the abutting protrusion is located in the sliding groove, so that the driving shaft cannot rotate, and when the driving shaft is located at the second working position, the abutting protrusion is located in the annular sliding way, so that the driving shaft can rotate, and the rotating rod is driven to rotate; and

at least one locking subassembly, including the first locking piece of level setting and the second locking piece of vertical setting, first locking piece swivelling joint in the valve body, first locking piece comprises first bevel gear and the lock dish of coaxial setting, seted up on the lock dish and dodged the groove, the lock dish set up in the spout with in order to restrict between the annular slide the protruding slip of butt, work as dodge the groove on the lock dish rotatory extremely the spout with when between the annular slide, the butt arch can the spout with freely move between the annular slide, the second locking piece comprises second bevel gear and axis body, the axis body stretches out the valve body, second bevel gear with first bevel gear meshes, through rotatory axis body can drive the lock dish is rotatory.

2. The ball valve with the anti-theft function according to claim 1, wherein four abutting protrusions are annularly distributed on the driving shaft, four avoidance grooves are correspondingly arranged on the valve body and correspond to the abutting protrusions, and the ball valve further comprises four locking assemblies which are correspondingly arranged between the four sliding grooves and the annular slide way.

3. The ball valve with an anti-theft function according to claim 1, wherein the valve body includes a sleeve portion, a function portion, and a support portion, the first connection pipe and the second connection pipe are connected to the sleeve portion, the function portion is disposed on an upper portion of the sleeve portion, the locking assembly is disposed on the function portion, the support portion is disposed on a lower portion of the sleeve portion, an upper portion of the valve element abuts against the function portion, a lower portion abuts against the support portion, the pipeline is disposed on the sleeve portion, and the chute and the annular slide are disposed on the function portion.

4. The ball valve with an anti-theft function according to claim 1, wherein a handle member is fixedly connected to an upper end of the driving shaft.

5. The ball valve with anti-theft function according to claim 1, wherein a sealing ring is arranged between the first connecting pipe and the valve body, and a sealing ring is also arranged between the second connecting pipe and the valve body.

6. The ball valve with the anti-theft function according to claim 1, wherein a knob is provided at one end of the shaft body extending out of the valve body, and scale values are marked on the knob.

7. The ball valve with anti-theft function according to claim 1, wherein the rotating rod is provided with a sliding groove extending in a vertical direction, and the driving shaft is provided with a sliding block capable of sliding along the sliding groove.

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