CN216843333U - Ball valve - Google Patents

Abstract

The utility model provides a ball valve belongs to valve technical field. It has solved current ball valve and has installed the inconvenient problem of dismouting on the pipeline. The ball valve comprises a valve body, wherein one end of the valve body is connected with a first connecting cover in a threaded manner, the other end of the valve body is connected with a second connecting cover in a threaded manner, two ends of the first connecting cover are arranged in a penetrating manner, a clamping ring used for clamping a pipeline is detachably arranged between the first connecting cover and the valve body, two ends of the second connecting cover are arranged in a penetrating manner, a joint is detachably arranged between the second connecting cover and the valve body, one end of the joint can be used for being in threaded connection with the pipeline, and the other end of the joint is communicated with a valve cavity of the valve body. This ball valve guarantees that the dismouting of ball valve and pipeline is more convenient.

Description

Ball valve

Technical Field

The utility model belongs to the technical field of the valve, a ball valve is related to.

Background

The ball valve is a control device for controlling the on-off of a medium in a pipeline, and is widely applied to the fields of food, chemical industry, petroleum, electric power and the like; the valve body is generally included, a spherical valve core is arranged in the valve cavity of the valve body, the valve body is rotatably connected with a valve rod capable of controlling the rotation of the valve core, and when the valve body is used, a user can pull the valve rod by hand, so that the valve rod drives the valve core to rotate, the valve cavity is opened and closed, and the on-off or flow direction of a medium in a pipeline is changed.

The ball valve is integrated to be used on the pipeline, and the most reliable scheme at present is: tapping at the both ends of ball valve establishes internal thread or external screw thread, and the screw thread that assembly personnel can pass through self both ends makes the ball valve spiro union between two adjacent pipelines with the screw-thread fit on the adjacent pipeline to pass through the passageway or the open circuit of ball valve control pipeline.

But water pipe is after long-time the use, the impurity that the medium that carries in the pipeline contained can cause to take place to block up in the pipeline (refer in particular to the pipeline of being connected with the ball valve), also perhaps prevents the pipeline, the ageing leakage hidden danger that takes place of ball valve, thereby need demolish pipeline or ball valve and change, nevertheless because pipeline and ball valve spiro union are in the same place, thereby need maintenance personal to pass through the frock with pipeline or ball valve and screw out clockwise or anticlockwise, then place new pipeline in the original place, and screw clockwise or anticlockwise through the frock, the dismouting is changed especially inconvenient.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a ball valve, the utility model aims to solve the technical problem that: how to guarantee the dismouting convenience of ball valve and pipeline.

The purpose of the utility model can be realized by the following technical proposal: a ball valve comprises a valve body and is characterized in that one end of the valve body is in threaded connection with a first connecting cover, the other end of the valve body is in threaded connection with a second connecting cover, two ends of the first connecting cover are arranged in a penetrating mode, a clamping ring used for clamping a pipeline is arranged between the first connecting cover and the valve body, the first connecting cover can push the clamping ring inwards to enable the clamping ring to be clamped inwards, two ends of the second connecting cover are arranged in a penetrating mode, a connector is detachably mounted between the second connecting cover and the valve body, one end of the connector can be used for being in threaded connection with the pipeline, and the other end of the connector is communicated with a valve cavity of the valve body.

The ball valve comprises a valve body, wherein one end of the valve body is in threaded connection with a first connecting cover, the other end of the valve body is in threaded connection with a second connecting cover, the first connecting cover and the second connecting cover are arranged in a penetrating mode, a clamping ring is arranged between the first connecting cover and the valve body, a joint is arranged between the second connecting cover and the valve body, when the ball valve is assembled, a worker can place the clamping ring between the valve body and the first connecting cover and enable a pipeline to penetrate through the first connecting cover and extend into the clamping ring, then the first connecting cover and the valve body are in threaded connection, one end, sleeved with the pipeline, of the first clamping ring is subjected to the force of the first connecting cover which is not continuously extruded inwards in the thread screwing process, so that the first clamping ring clamps the pipeline, one end of the valve body is stably connected with one of the pipelines, meanwhile, the worker can enable one end of the joint to penetrate through the second connecting cover and be in threaded connection with the pipeline, then, the connecting cover II is screwed at the other end of the valve body, so that one end of the joint is abutted against the outer wall of the end of the valve body and is communicated with the valve cavity of the valve body (the size of the joint can be changed randomly according to the size of the pipeline), and the valve body and two adjacent pipelines are installed; when dismantling the maintenance, the staff can be with connecting cover one and can take one of them pipeline out in screwing out the back and take out in pressing from both sides ring one, and after the user outwards screwed out and connects cover two, the staff can be with connecting two and have another pipeline to screw out and can accomplish valve body and another pipeline separation, and then make valve body and two adjacent pipeline dismouting more convenient to it is more convenient to guarantee valve body or pipeline maintenance.

In foretell ball valve, the joint is the column, it is equipped with the external screw thread to connect to attack on the one end circumference lateral wall, and other end edge integrated into one piece has to support and leans on the convex part, connecting to attack on two one end circumference inner walls of lid and establishing the internal thread, other end inner wall inwards extends and forms spacing fender edge.

The joint specifically is the column, attack on its one end lateral wall and establish the external screw thread, the edge integrated into one piece that connects the other end has and supports and lean on the convex part, it specifically is platelike and the cross-section is circular to support to lean on the convex part, and attack on the one end circumference inner wall of joint cover two and establish the internal thread, the inside extension of other end inside wall forms and supports and lean on and keep off the edge, when installing, the staff can carry out the spiro union through the external screw thread that connects this end and pipeline, and will connect the cover cup joint outside the joint, make supporting on the joint to support and lean on convex part one side and valve body water inlet delivery port outer wall and support, the opposite side supports with the spacing fender edge in the joint cover two and lean on, thereby make joint cover two constantly press from both sides tightly at the screw in-thread screwing in-process, and then make the joint tightly between joint cover two and the valve body.

In the ball valve, the outer wall of the abutting convex part is provided with a plurality of reinforcing ribs, and the plurality of reinforcing ribs are arranged at intervals along the annular direction of the joint.

Lean on to be equipped with a plurality of strengthening ribs on the convex part lateral wall, these strengthening ribs set up along the hoop interval of joint to the reinforcing leans on the structural strength between convex part and the joint, avoids equipment or supports under the long-time tight state and lean on the convex part by the conquassation.

In the ball valve, one end of the clamping ring is an installation end, the other end of the clamping ring is a clamping end, a limiting convex part is integrally formed in the middle of the clamping ring along the circumferential direction, a plurality of deformation grooves are formed in the side wall of the clamping ring along the length direction, and the deformation grooves are arranged at intervals along the circumferential direction of the clamping ring and penetrate through the clamping end.

The utility model discloses a valve body, including the valve body, the valve body is including the mounting end, the clamp ring one end is the mounting end, the other end is the clamping end, its lateral wall middle part department is along the hoop integrated into one piece spacing convex part, when assembling, the staff can stretch into the mounting end of clamp ring valve body water inlet \ delivery port, make spacing convex part on the clamp ring lateral wall and valve body water inlet \ delivery port outer wall support to lean on, then will connect a lid spiro union on the valve body, ensure that the clamp ring installation is stable, and clamp ring circumference lateral wall sets up tangible groove along length direction, the clamping end of clamp ring is run through to the one end of every shape groove, thereby in subsequent assembling process, the staff is in the screw thread tightening in-process (when inwards squeezing the clamping end of clamp ring promptly), the clamping end of clamp ring can be because the existence of shape groove constantly inwards shrink, and finally press from both sides tight pipeline.

In the ball valve, the clamping end gradually inclines inwards from the end close to the mounting end to the end far away from the mounting end, an internal thread is arranged on the circumferential inner side wall at the bottom end of the connecting cover in an attacking mode, and the circumferential inner side wall at the top end of the connecting cover is gradually close to the middle of the connecting cover to the top of the connecting cover in an inwards inclining mode.

Tapping on the bottom circumference inside wall of connection lid one and establishing the internal thread, top circumference inside wall is from being close to self middle part department to keeping away from self top gradually leanin, the clamping end of clamp ring is from being close to the one end of clamp ring installation to keeping away from the one end leanin of installation, connection lid one is in the screw thread process of screwing, the inclined plane of self inside wall can paste with the clamp end lateral wall of clamp ring and lean on, and because the power that follow-up constantly screwing produced makes the clamping end that the connection lid can constantly inwards extrude clamp ring, thereby make the clamping end of clamp ring constantly inwards contract, thereby make the clamping end of clamp ring press from both sides tight pipeline.

In the ball valve, the circumferential inner wall of the clamping end is provided with a plurality of clamping teeth along the circumferential direction, and the plurality of clamping teeth are arranged at intervals along the length direction of the inner wall of the clamping ring.

The clamping end inner wall of the clamping ring is provided with a plurality of clamping teeth along the circumferential direction, the clamping teeth can play a role in auxiliary positioning, the stability of the clamping end and the clamping pipeline is ensured, and the clamping teeth are arranged along the inner side wall of the clamping ring at intervals, so that the stress stability of the pipeline is ensured during subsequent assembly.

Compared with the prior art, the ball valve has the following advantages:

the ball valve comprises a valve body, wherein two ends of the valve body are respectively in threaded connection with a first connecting cover and a second connecting cover, a clamping ring is arranged between the first connecting cover and the valve body, a joint is arranged between the second connecting cover and the valve body, one end of the valve body can be sleeved with one adjacent pipe through the clamping ring and screwed and fixed through a first connecting cover thread, and the other end of the valve body can be fixed with the other pipe through the joint and the second connecting cover thread, so that the follow-up pipeline and the valve body can be more conveniently disassembled and assembled.

And secondly, the staff can carry out the spiro union with the pipeline through the external screw thread of the joint one end, and cup joint outside the joint through the connecting cover, so that the joint is abutted against one side of the convex part and the outer wall of the water inlet/the water outlet of the valve body, and the other side is abutted against the limiting blocking edge in the connecting cover II, so that the connecting cover II can continuously clamp in the screw thread screwing process, and the joint is clamped between the connecting cover II and the valve body.

And thirdly, the outer side wall of the convex part is abutted with a plurality of reinforcing ribs, so that the structural strength between the convex part and the joint is enhanced.

Fourthly, the staff can stretch into valve body water inlet \ delivery port with the installation end of clamp ring for spacing convex part on the clamp ring lateral wall supports with valve body water inlet \ delivery port outer wall and leans on, then will connect and cover a spiro union on the valve body, and clamp ring circumference lateral wall sets up along length direction and has become the groove, and the clamping end of clamp ring can be because the existence in deformation groove constantly inwards shrink, and finally presss from both sides tight pipeline.

Fifthly, during the screwing process of the first connecting cover, the inclined surface of the inner side wall of the first connecting cover can be attached to the outer side wall of the clamping end of the clamping ring, and the first connecting cover can continuously press the clamping end of the clamping ring inwards due to the force generated by subsequent continuous screwing, so that the clamping end of the clamping ring can continuously contract inwards, and the clamping end of the clamping ring clamps the pipeline.

Sixthly, a plurality of clamping teeth are arranged on the inner wall of the clamping end of the clamping ring along the annular direction, and the clamping teeth are arranged at intervals along the inner side wall of the clamping ring, so that the stability of the clamping end and the stability of the clamping pipeline are ensured.

Drawings

Fig. 1 is a cross-sectional view of the present ball valve.

Figure 2 is a cross-sectional view of the clamp ring.

Figure 3 is a top view of the clamp ring.

Fig. 4 is a cross-sectional view of the joint.

Fig. 5 is a top view of the joint.

Fig. 6 is a cross-sectional view of the first connecting cover.

Fig. 7 is a sectional view of the second connecting cover.

In the figure, 1, a valve body; 1a, connecting a cover I; 1a1, a limit stop edge; 1b, a second connecting cover; 2. a clamping ring; 2a, a mounting end; 2b, a clamping end; 2b1, latch; 2c, a limit convex part; 2d, deformation grooves; 3. a joint; 3a, an abutting convex part; 3a1, reinforcing ribs.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 6, fig. 7, this ball valve includes valve body 1, the valve core has in the valve pocket of valve body 1, and rotate on the valve body 1 and be connected with and to control case pivoted valve rod, the one end of valve body 1 is the water inlet, the other end is the delivery port, install the neck bush in the delivery port of valve body 1, the water inlet end of valve body 1, it is equipped with the external screw thread to attack on the delivery port end lateral wall, this ball valve still includes a connection cover 1a and a connection cover two 1b, connection cover 1a all runs through the setting with the both ends of connection cover two 1b, and attack on the inside wall of connection cover 1a and connection cover two 1b bottoms and be equipped with the internal thread, connection cover 1a is fixed with the external screw thread cooperation spiro union of valve body 1 delivery port end through the internal thread of self, connection cover two 1b are fixed with the external screw thread spiro union of valve body 1 water inlet end through the internal thread of self.

As shown in fig. 1, 4, 5, and 7, the joint 3 is in a cylindrical shape, an external thread is tapped on the circumferential outer wall of the top end of the joint, the circumferential inner wall of the top end of the second connecting cover 1b extends inwards to form a limit stop edge 1b1, and the edge of the bottom end is arched outwards to form a disc-shaped abutting convex part 3a, when assembling, a worker can firstly sleeve the second connecting cover 1b outside a pipe adjacent to the valve body 1, then fix the joint 3 and the pipe by screwing, so that one side of the abutting convex part 3a on the joint 3 abuts against one end of the inner bushing positioned in the water inlet of the valve body 1, and the other side abuts against the limit stop edge 1b1 of the second connecting cover 1b, then screw the second connecting cover 1b to be fixed at the water inlet end of the valve body 1, so that the abutting convex part 3a is clamped between the inner bushing and the limit stop edge 1b1, when disassembling, the second connecting cover 1b is screwed out, and then the joint 3 is screwed out to be disassembled.

In addition, as shown in fig. 4-5, a plurality of ribs 3a1 are integrally formed between the abutting convex portion 3a of the joint 3 and the outer side wall of the joint 3, and the ribs 3a1 are arranged at intervals along the circumferential direction of the joint 3, so that the structural strength between the outer side wall of the joint 3 and the abutting convex portion 3a is effectively increased.

As shown in fig. 1, fig. 2, fig. 3, and fig. 6, one end of the clamping ring 2 is an installation end 2a, and the other end is a clamping end 2b, and the outer side wall of the middle part of the clamping ring 2 is arched outward to form a limit protrusion 2c, when assembling, a worker can extend the installation end 2a of the clamping ring 2 into the water outlet end of the valve body 1 to make the limit stopper 1b1 abut against the circumferential outer wall of the water outlet end of the valve body 1, and a plurality of limit protrusions 2c are provided on the circumferential outer side wall of the clamping ring 2 in the direction of extension, and the limit protrusions 2c are distributed at intervals along the circumferential direction of the clamping ring 2 and one end of each limit protrusion penetrates through the clamping end 2b of the clamping ring 2, and the clamping end 2b of the clamping ring 2 gradually inclines inward from the middle part of the clamping ring 2 to the end part (the end part far from the installation end 2a) to make the circumferential outer side wall of the self incline gradually, and the inner side wall of the top of the connecting cover 1a gradually inclines from the end near the bottom of the connecting cover 1a to the end near the top of the connecting cover 1a bottom of the connecting cover itself Inwards incline to make the inside wall of the top of the first connecting cover 1a also be called the inclined shape, when assembling, the staff can pass another pipeline adjacent to the valve body 1 through the first connecting cover 1a, the clamping ring 2 and stretch into the water outlet end of the valve body 1 in sequence, then the staff can screw the first connecting cover 1a thread outside the water outlet end of the valve body 1, the clamping end 2b of the first clamping ring 2 contracts and deforms inwards due to the clamping force generated by connecting the continuous screwing, so that the clamping end 2b of the first clamping ring 2 can clamp the pipeline, when disassembling, the staff only needs to screw the first connecting cover 1a to draw the pipeline outwards.

In addition, as shown in fig. 4, a plurality of latches 2b1 are integrally formed on the inner side wall of the clamping end 2b of the clamping ring 2 along the circumferential direction, and the plurality of latches 2b1 are arranged at intervals along the length direction of the connecting end of the clamping ring 2, so as to ensure the stability of the connection and disconnection of the clamping ring 2 in the clamping process.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although used more herein, 1, a valve body; 1a, connecting a cover I; 1a1, a limit stop edge; 1b, a second connecting cover; 2. a clamping ring; 2a, a mounting end; 2b, a clamping end; 2b1, latch; 2c, a limit convex part; 2d, deformation grooves; 3. a joint; 3a, an abutting convex part; 3a1, stiffeners, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (6)

1. The utility model provides a ball valve, includes valve body (1), its characterized in that, valve body (1) one end spiro union has connection cover one (1a), and other end spiro union has connection cover two (1b), connection cover one (1a) both ends run through the setting, connection cover one (1a) with be equipped with between valve body (1) and be used for pressing from both sides the clamp ring (2) of tight pipeline, just connection cover one (1a) can inwards push away the clamp ring (2) make clamp ring (2) are inwards pressed from both sides tightly, connection cover two (1b) both ends run through the setting, just connection cover two (1b) with demountable installation has between valve body (1) connects (3), connect (3) one end can be used for with the pipeline spiro union, the other end with the valve pocket intercommunication of valve body (1).

2. The ball valve according to claim 1, wherein the joint (3) is cylindrical, an external thread is arranged on the circumferential outer side wall of one end of the joint (3), a supporting convex part (3a) is integrally formed at the edge of the other end of the joint, an internal thread is arranged on the circumferential inner wall of one end of the second connecting cover (1b), and the inner wall of the other end of the second connecting cover extends inwards to form a limit stop edge (1 c).

3. The ball valve according to claim 2, characterized in that a plurality of ribs (3a1) are provided on the outer wall of the abutting convex portion (3a), and a plurality of ribs (3a1) are provided at intervals in the circumferential direction of the joint (3).

4. The ball valve according to claim 2 or 3, wherein one end of the clamping ring (2) is a mounting end (2a), the other end of the clamping ring is a clamping end (2b), a limiting convex part (2c) is integrally formed in the middle of the clamping ring (2) along the circumferential direction, a plurality of deformation grooves (2d) are formed in the side wall of the clamping ring (2) along the length direction, and the deformation grooves (2d) are arranged at intervals along the circumferential direction of the clamping ring (2) and penetrate through the clamping end (2 b).

5. The ball valve according to claim 4, wherein the clamping end (2b) is gradually inclined inward from an end close to the mounting end (2a) to an end far away from the mounting end (2a), the circumferential inner side wall of the bottom end of the first connecting cover (1a) is tapped with internal threads, and the circumferential inner side wall of the top end of the first connecting cover (1a) is gradually inclined inward from a position close to the middle of the first connecting cover (1a) to the top of the first connecting cover (1 a).

6. The ball valve according to claim 5, wherein the clamping end (2b) is provided with a plurality of clamping teeth (2b1) along the circumferential direction on the inner wall, and a plurality of clamping teeth (2b1) are arranged at intervals along the length direction of the inner wall of the clamping ring (2).

Images