阅读说明：本技术 一种具有伸缩功能的球阀 (Ball valve with telescopic function ) 是由 董宾治 于 2020-05-25 设计创作，主要内容包括：本发明公开了一种具有伸缩功能的球阀,属于球阀技术领域,包括阀体,所述阀体的两端设置有管体,所述管体的外侧连接有内套,所述内套的外侧设置有外套,所述外套和内套之间螺纹连接；所述内套包括固设在管体外部的内连接环,所述内连接环远离阀体一端设置有内滑动环,本发明通过调整内套旋设于外套的长度,从而实现相邻两个外接管道头之间不同间距的连接,使用时,通过向外旋转外螺接环,实现外连接环的伸长,使用时,通过向外旋转外螺接环,实现外套向外伸长,从而实现球阀的总长度,从而提高此球阀的适用性；本发明与外接管道头安装拆卸简单快速,无需工具,省时省力,安装拆卸更换效率高效,方便适用。(The invention discloses a ball valve with a telescopic function, which belongs to the technical field of ball valves and comprises a valve body, wherein pipe bodies are arranged at two ends of the valve body, an inner sleeve is connected to the outer side of each pipe body, an outer sleeve is arranged on the outer side of each inner sleeve, and the outer sleeve is in threaded connection with the inner sleeves; the inner sleeve comprises an inner connecting ring fixedly arranged outside the pipe body, and one end of the inner connecting ring, which is far away from the valve body, is provided with an inner sliding ring; the invention is simple and quick to assemble and disassemble with an external pipeline joint, does not need tools, saves time and labor, has high efficiency of assembly, disassembly and replacement, and is convenient and applicable.)

1. The utility model provides a ball valve with flexible function, includes valve body (1), its characterized in that: the two ends of the valve body (1) are provided with pipe bodies (2), the outer side of each pipe body (2) is connected with an inner sleeve (4), the outer side of each inner sleeve (4) is provided with an outer sleeve (5), and the outer sleeve (5) is in threaded connection with the inner sleeves (4);

interior cover (4) are including setting firmly in body (2) outside in-connection ring (41), in-connection ring (41) are kept away from valve body (1) one end and are provided with interior slip ring (42), the inboard of interior slip ring (42) is kept away from valve body (1) one end and is provided with interior slip ring (43), overcoat (5) are including establishing outer slip ring (51) of being connected with interior slip ring (43) spiral, outer slip ring (51) that outer slip ring (53) are close to valve body (1) one end and are set firmly with interior slip ring (42) sliding connection, valve body (1) one end is kept away from in outer slip ring (53) and is provided with outer go-between (515), outer go-between (515) outside is provided with outer pipeline head (3).

2. A ball valve with telescopic function according to claim 1, characterized in that: the inside circumference equipartition of outer go-between (515) has a plurality of fixed slots (57), fixed slot (57) opening is outwards, the inside of fixed slot (57) is provided with sliding block (58), valve body (1) end is kept away from to the inside bottom of fixed slot (57) has seted up second fixed orifices (512), sliding block (58) inside is provided with spring fixed pin (513), the round pin head of spring fixed pin (513) stretches out outside second fixed orifices (512), the outside of outer go-between (515) has set firmly closed ring (56) along valve body (1) horizontal direction, the interior terminal surface of outer go-between (515) has set firmly sealed tube (54), body (2) outside is located to sealed tube (54) cover.

3. A ball valve with telescopic function according to claim 2, characterized in that: spring fixed pin (513) comprises fixed slotted hole, spring and fixed pin, fixed slotted hole is seted up and is corresponded with second fixed orifices (512) inside sliding block (58), and the inside of fixed slotted hole is provided with spring and fixed pin, the free end of fixed pin sets up to the arc and partly stretches out outside the fixed slotted hole, the other end of fixed pin is connected with the spring, the other end of spring is connected in the inside bottom of fixed slotted hole.

4. A ball valve with telescopic function according to claim 1, characterized in that: and a second sealing ring (55) which is pressed against the outer side of the inner sliding ring (42) is embedded in the inner side of the outer sliding ring (51).

5. A ball valve with telescopic function according to claim 1, characterized in that: the inner side of the sealing tube (54) is embedded with a first sealing ring (52) which is pressed against the outer side of the tube body (2).

6. A ball valve with telescopic function according to claim 1, characterized in that: and a third sealing ring (514) which is pressed against the external pipeline joint (3) is arranged on the outer side of the external connecting ring (515).

7. A ball valve with telescopic function according to claim 1, characterized in that: the outer side end of the outer connecting ring (515) is provided with a limiting ring (510), first fixing holes (511) are uniformly distributed in the circumferential direction of the limiting ring (510), the circle center of each first fixing hole (511) and the circle center of each second fixing hole (512) are on the same straight line, and the first fixing holes (511) penetrate through the fixing grooves (57).

8. A ball valve with telescopic function according to claim 2, characterized in that: and the outer end of the sliding block (58) is provided with a pull ring (59).

9. A ball valve with telescopic function according to claim 1, characterized in that: a plurality of fixing through holes are uniformly distributed on the surface of the external pipeline joint (3) in the circumferential direction.

Technical Field

The invention belongs to the technical field of ball valves, and particularly relates to a ball valve with a telescopic function.

Background

The valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, has the functions of diversion, cut-off, throttling, non-return, diversion or overflow pressure relief and the like, is a common valve, is a ball valve, a valve taking a ball body as a closing part is called the ball valve, the closing part is driven by a valve rod and rotates around the axis of the ball valve, and can be used for regulating and controlling fluid, in China, the ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and the like, plays a very important role in national economy, the fluid valve on the market at present usually consists of a valve body, the valve rod, a valve core and a connecting flange, the length of the connecting flange is fixed, when the pipeline is installed, the valve is installed at the joint of two pipelines after the pipeline is generally, when the installation is carried out, certain gaps exist among the pipelines, and when the gaps among the adjacent pipelines are small, a gasket can be added between the ball valve joints to meet the installation requirements of the pipelines; when the clearance between the pipeline is great, often adjust the pipeline overall arrangement according to actual construction conditions, when the pipeline overall arrangement can not be adjusted, then need carry out the pipeline again and assemble, construction cycle extension.

Disclosure of Invention

The invention provides a ball valve with a telescopic function, which has the characteristics of telescopic adjustment, installation and connection according to the size of a pipeline gap and improvement of the applicability.

In order to achieve the purpose, the invention provides the following technical scheme: a ball valve with a telescopic function comprises a valve body, wherein pipe bodies are arranged at two ends of the valve body, an inner sleeve is connected to the outer side of each pipe body, an outer sleeve is arranged on the outer side of each inner sleeve, and the outer sleeve is in threaded connection with the inner sleeve;

the endotheca is including setting firmly the internal connection ring in the body outside, the internal connection ring is kept away from valve body one end and is provided with interior slip ring, the inboard of interior slip ring is kept away from valve body one end and is provided with interior threaded ring, the overcoat includes the outer threaded ring who establishes the connection with interior threaded ring spiral, the outer threaded ring is close to valve body one end and is set firmly the outer slip ring with interior threaded ring sliding connection, outer threaded ring is kept away from valve body one end and is provided with outer go-between, the outer go-between outside is provided with outer pipe joint.

Preferably, the inside circumference equipartition of outer go-between has a plurality of fixed slots, the fixed slot opening is outwards, the inside of fixed slot is provided with the sliding block, the inside bottom of fixed slot is kept away from valve body end and is seted up the second fixed orifices, the inside spring fixed pin that is provided with of sliding block, outside the second fixed orifices was stretched out to the round pin head of spring fixed pin, the outside of outer go-between has set firmly the closed ring along the valve body horizontal direction, the interior terminal surface of outer go-between has set firmly the sealed tube, the body outside is located to the sealed tube housing.

Preferably, the spring fixed pin comprises fixed slotted hole, spring and fixed pin, fixed slotted hole is seted up and is corresponded with the second fixed orifices inside the sliding block, and the inside of fixed slotted hole is provided with spring and fixed pin, the free end of fixed pin sets up to the arc and partly stretches out outside the fixed slotted hole, the other end of fixed pin is connected with the spring, the other end of spring is connected in the inside bottom of fixed slotted hole.

Preferably, a second sealing ring which is pressed against the outer side of the inner sliding ring is embedded in the inner side of the outer sliding ring.

Preferably, the inner side of the sealing tube is embedded with a first sealing ring which is pressed against the outer side of the tube body.

Preferably, a third sealing ring which is pressed against the external pipeline joint is arranged on the outer side of the external connecting ring.

Preferably, the outer side end of the outer connecting ring is provided with a limiting ring, first fixing holes are uniformly distributed in the limiting ring in the circumferential direction, the circle center of each first fixing hole and the circle center of each second fixing hole are on the same straight line, and the first fixing holes penetrate through the fixing grooves.

Preferably, the outer end of the sliding block is provided with a pull ring.

Preferably, a plurality of fixing through holes are uniformly distributed on the surface of the external pipeline joint in the circumferential direction.

Compared with the prior art, the invention has the beneficial effects that:

1. the length of the inner sleeve which is rotatably arranged on the outer sleeve is adjusted, so that the connection between two adjacent external pipeline joints at different intervals is realized, when the ball valve is used, the external screw ring is outwards rotated to realize the extension of the external connecting ring, and when the ball valve is used, the external screw ring is outwards rotated to realize the outward extension of the outer sleeve, so that the total length of the ball valve is realized, and the applicability of the ball valve is improved; in addition, the sealing performance of the pipe body and the ball valve is improved through the sealing pipe and the first sealing ring; the sealing effect between the outer sliding ring and the inner sliding ring is further improved through the third sealing ring, the sealing performance of connection between the outer sleeve and the inner sleeve is improved, and the sealing performance between the pipeline and the ball valve is improved through the second sealing ring.

2. The pipeline connector is simple and quick to mount and dismount, the valve body and the external pipeline connector are simple and quick to mount and dismount through the arranged external connecting ring, the spring fixing pins are moved into the second fixing holes from the first fixing holes by pressing the spring fixing pins and pushing the pull rings to extend out of the through holes formed in the external pipeline connector corresponding to the second fixing holes for fixing, and the pipeline connector can be fixed by fixing the spring fixing pins in sequence.

Drawings

Fig. 1 is a schematic structural diagram of a ball valve with a telescopic function according to the present invention.

Fig. 2 is a schematic view of the connection of the inner sleeve and the outer sleeve of the present invention.

Fig. 3 is an enlarged view of fig. 2 at a.

Figure 4 is a side view of the outer attachment ring of the present invention.

FIG. 5 is a schematic view of the slider in an open state according to the present invention.

In the figure: 1. a valve body; 2. a pipe body; 3. an external pipe joint; 4. an inner sleeve; 41. an inner connecting ring; 42. an inner slip ring; 43. an internal screw coupling ring; 5. a jacket; 51. an outer slip ring; 52. a first seal ring; 53. an externally threaded ring; 54. a sealing tube; 55. a second seal ring; 56. a closed ring; 57. fixing grooves; 58. a slider; 59. a pull ring; 510. a limiting ring; 511. a first fixing hole; 512. a second fixing hole; 513. a spring fixing pin; 514. a third seal ring; 515. and an outer connecting ring.

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.