CN219119872U - Diverter valve structure - Google Patents

Abstract

This application is a diverter valve structure, including a main valve body, a ball plug, multiple adapter seats and multiple abutment rings. The main valve body has a cavity and multiple installation ports, and each installation port is connected to the cavity respectively. The ball plug is rotatably arranged in the cavity and has at least one channel, the channel can be selectively connected to two of the installation ports, each adapter seat is respectively provided in each installation port, and the adapter seat has a connecting pipe extending toward the cavity, Each abutment ring is respectively sleeved with each connecting pipe. The abutment ring includes a ring body and a Babbitt metal gasket. The ring body is provided with an annular dovetail groove. The ball plug; thereby, the surface hardening treatment of the ball plug and the abutment ring can be omitted, thereby reducing environmental pollution, reducing production costs and shortening the manufacturing process.

Description

Diverter valve structure

technical field

The present application relates to a diverter valve structure, especially a diverter valve structure that can save the surface hardening treatment of the ball plug and the abutment ring.

Background technique

Diverter valves are mostly common in the industrial field, and they are mainly used to divert fluids such as powder, gas or liquid transported in the pipeline to pipelines in different directions for transportation. A general directional valve is provided with a ball plug inside, and the ball plug has a channel for fluids such as gas or liquid to pass through, so that the delivery direction of powder, gas or liquid and other fluids can be controlled and changed by rotating the ball plug. In order to increase structural strength and durability, the valve body, ball plug and abutting ring supporting the ball plug of the diverter valve are all made of metal.

However, since the ball plug needs to rotate in the directional valve, the surface of the ball plug and the abutment ring need additional surface hardening treatment, so as to improve its mechanical properties and increase the service life and durability, while the general surface hardening treatment (such as : Hard chrome plating) mostly adopts electroplating process, which not only increases production cost and production time, but also causes environmental pollution because of the sewage produced by electroplating.

In view of this, the applicant aimed at the deficiency of the above-mentioned prior art, devoted himself to research and cooperated with the application of theories, and tried his best to solve the above-mentioned problems, which became the goal of the applicant's improvement.

Utility model content

The main purpose of this application is to omit surface hardening treatment on the ball plug and abutment ring, thereby reducing environmental pollution, reducing production cost and shortening the manufacturing process.

In order to achieve the above purpose, the application provides a directional valve structure, including a main valve body, a ball plug, multiple adapter seats and multiple abutment rings, the main valve body has a cavity and multiple installation ports, each installation The ports are respectively connected to the cavity, and the ball plug is rotatably arranged in the cavity. The ball plug has at least one channel, and the channel can be selectively connected to two of the installation ports. Each adapter seat is respectively provided at each installation port. There are connecting pipes extending from the socket towards the cavity, and each abutting ring is respectively sleeved with each connecting pipe, each abutting ring includes a ring body and a Babbitt gasket, each ring body is provided with an annular dovetail groove, and each Babbitt metal The washers are respectively embedded in the annular dovetail grooves and abut against the ball plug together.

In an embodiment of the present application, the section of each annular dovetail groove is trapezoidal.

In one embodiment of the present application, the opening of each annular dovetail groove is formed with a first inner diameter, and the bottom of each annular dovetail groove is formed with a second inner diameter, and the first inner diameter is smaller than the second inner diameter.

In one embodiment of the present application, each abutment ring defines a central axis, and each annular dovetail groove is inclined toward the corresponding central axis.

In one embodiment of the present application, each Babbitt washer has a supporting surface abutting against the ball plug, and the supporting surface is located on a side of the Babbitt washer away from the corresponding annular dovetail groove.

In one embodiment of the present application, each abutting ring defines a central axis, and the included angle between the supporting surface and the central axis is 45°.

In an embodiment of the present application, a plurality of beam tubes are further included, and each beam tube is respectively sleeved on the outer edge of each connecting pipe and clamps the corresponding ring bodies.

In one embodiment of the present application, each beam tube has buckles, each ring body has a slot, and each buckle is fastened in each slot.

In one embodiment of the present application, a plurality of elastic fixing rings are further included, and each elastic fixing ring is clamped between each connecting pipe and each bundle tube respectively.

In an embodiment of the present application, each abutting ring further includes a rubber ring, grooves are formed on the inner wall of each ring body, and each rubber ring is respectively arranged in each groove and abuts against each corresponding connecting pipe.

In an embodiment of the present application, a plurality of disk springs are further included, each connecting pipe is extended with a step, and each disk spring is respectively arranged on each step and elastically abuts against each corresponding ring body.

In an embodiment of the present application, a ring portion extends from the side of each ring body away from the annular dovetail groove, and a ring wall is provided on the outer edge of each connecting pipe, and each ring portion is sleeved with each ring wall.

In an embodiment of the present application, a plurality of elastic fixing rings are further included, and each elastic fixing ring is clamped between each ring wall and each ring portion respectively.

In an embodiment of the present application, a plurality of wave springs are also included, and an accommodating space is formed between each ring wall and the corresponding connecting pipe, and each wave spring is respectively located in each accommodating space and elastically contacts each corresponding ring body.

The diverter valve structure of this application abuts the ball plug by embedding the Babbitt alloy gasket in the annular dovetail groove, which can save the surface hardening treatment of the ball plug and the abutment ring, thereby effectively reducing environmental pollution and reducing production. cost and shorten the manufacturing process.

Description of drawings

Figure 1 is a three-dimensional appearance view of the present application.

Figure 2 is a sectional view of the present application.

FIG. 3 is a partially enlarged view of FIG. 2 .

FIG. 4 is an exploded perspective view of the adapter seat and the abutment ring of the present application.

FIG. 5 is a three-dimensional appearance view of the adapter seat and the abutment ring of the present application.

Fig. 6 is a three-dimensional appearance view of the abutment ring of the present application.

Fig. 7 is a cross-sectional view and a partially enlarged view of the abutment ring of the present application.

Fig. 8 is a partial cross-sectional view of another embodiment of the present application.

Explanation of reference signs:

10: main valve body;

11: cavity;

12: Installation port;

20: ball plug;

21: channel;

30: adapter seat;

31: connecting pipe;

311: ring wall;

312: accommodation space;

40: abutment ring;

41: ring body;

411: annular dovetail groove;

412: card slot;

413: groove;

414: beam ring part;

42: Babbitt alloy gasket;

421: chimeric block;

422: supporting surface;

43: central axis;

44: rubber ring;

50: beam tube;

51: buckle;

60: elastic fixing ring;

70: wave spring;

80: disc spring;

A: drive rod;

t1: first inner diameter;

t2: second inner diameter;

θ: included angle.

Detailed ways

The detailed description and technical content of this application will be described as follows with the accompanying drawings, but the attached drawings are only for illustration purposes and are not used to limit the application. Among them, terms such as "substantially" and "approximately" are used to describe and describe minor changes. When used in conjunction with an event or circumstance, the term can encompass the exact moment at which the event or circumstance occurs, as well as the close approximation point at which the event or circumstance occurs. For example, when in conjunction with a numerical value, the term may include a range of variation less than or equal to ±10% of the stated value, such as less than or equal to ±5%, less than or equal to ±4%, less than or equal to ±3%, less than or equal to ±2%, less than or equal to ±1%, less than or equal to ±0.5%, less than or equal to ±0.1%, or less than or equal to ±0.05%.

The present application provides a directional valve structure for switching the delivery direction of fluids such as powder, gas or liquid. Referring to FIG. 1 to FIG. 5 , the diverter valve structure of the present application mainly includes a main valve body 10 , a ball plug 20 , a plurality of adapter seats 30 and a plurality of abutment rings 40 .

The main valve body 10 has a cavity 11 and a plurality of installation ports 12 . Each installation port 12 communicates with the cavity 11 respectively. In this embodiment, the number of installation ports 12 is three, but the application is not limited thereto, and the number of installation ports 12 may be more than four. It should be noted that the angles and distances between the installation ports 12 can be determined according to actual usage requirements, and the figures shown in the application only disclose the state, and are not intended to limit the distance between the installation ports 12 of the application. angle and distance.

The ball plug 20 is a metal sphere. In this embodiment, the ball plug 20 is made of stainless steel, but the application is not limited thereto. For example, the ball plug 20 can also be made of other hard metals. The ball plug 20 is rotatably disposed in the cavity 11 , and is connected to the driving rod A passing through the main valve body 10 so that the rotation of the ball plug 20 can be controlled from the outside of the main valve body 10 . The ball plunger 20 has at least one channel 21 . In this embodiment, the number of passages 21 is one, but the application is not limited thereto. For example, when the number of installation ports 12 is more than four, the number of passages 21 can be more than one. Observe the actual distribution requirements depends. The channel 21 can selectively communicate with two of the installation ports 12 . In this way, fluids such as powder, gas or liquid can only flow along the two installation ports 12 corresponding to the two ends of the channel 21, and will not flow to another installation port 12; It is only necessary to rotate the ball plug 20 with the driving rod A so that one end of the channel 21 is correspondingly connected to the other installation port 12 .

Each adapter seat 30 is respectively disposed on each installation port 12 so as to be connected to a plurality of pipelines (not shown in the figure). The adapter seat 30 in this embodiment is locked on the installation port 12 by a plurality of bolts, so as to facilitate disassembly, replacement and maintenance, but the application is not limited thereto. Each adapter seat 30 has a connecting pipe 31 extending toward the cavity 11 in the main valve body 10 , that is, each connecting pipe 31 is accommodated in each installation port 12 , as shown in FIG. 2 .

Please refer to FIG. 2 to FIG. 7 , each contact ring 40 is sleeved on the outer edge of each connecting pipe 31 respectively. Each abutting ring 40 includes a ring body 41 and a Babbitt washer 42 . In this embodiment, the ring body 41 is made of stainless steel, but the application is not limited thereto. For example, the ring body 41 can also be made of other hard metals. Each ring body 41 is provided with an annular dovetail groove 411 , and each Babbitt washer 42 is respectively embedded in each annular dovetail groove 411 and abuts against the ball plug 20 together. Babbitt gasket 42 is made of Babbitt alloy, and its main alloy components are tin, lead, antimony and copper, wherein tin and lead are soft phase matrix, antimony and copper are hard points, and the soft phase matrix can reduce Friction, the hard point can be used as a support load, so Babbitt has good support and low friction characteristics.

In this embodiment, the babbitt gasket 42 adopts one of tin-based babbitt alloy or lead-based babbitt alloy. The difference between the two lies in the amount of tin content and lead content. , hardness, wear resistance and corrosion resistance are superior to lead-based babbitt alloy. In this way, through the good embedding, compliance and seizure resistance of Babbitt alloy itself, after running-in, the soft phase matrix is concave and the hard point is convex, so that a small gap is formed between the sliding surfaces and there is a It is beneficial to reduce friction, and the convex hard point plays a good supporting and bearing role, so that the Babbitt washer 42 can directly abut the ball plug 20, eliminating the need for surface hardening of the ball plug 20 and the abutment ring 40 treatment, thereby reducing environmental pollution, reducing production costs and shortening the manufacturing process.

Please refer to Fig. 7, the section of each annular dovetail groove 411 is trapezoidal, and each Babbitt gasket 42 is extended with a fitting piece 421, and the shape of the fitting piece 421 corresponds to the shape of the annular dovetail groove 411 so that the The alloy washer 42 is embedded in the annular dovetail groove 411 . Specifically, the opening of each annular dovetail groove 411 is formed with a first inner diameter t1, and the bottom of each annular dovetail groove 411 is formed with a second inner diameter t2. The first inner diameter t1 is smaller than the second inner diameter t2 , so that the inner wall of the annular dovetail groove 411 gradually widens from the opening to the bottom, so as to prevent the Babbitt gasket 42 from disengaging from the annular dovetail groove 411 . Also, referring to FIG. 3 , the center of the ring body 41 of each abutting ring 40 defines a central axis 43, and each annular dovetail groove 411 is inclined toward the corresponding central axis 43, so that the Babbitt gasket 42 can Effectively abuts the ball plug 20 . Specifically, each Babbitt washer 42 has a bearing surface 422 that abuts the ball plunger 20 . The supporting surface 422 is located on the side of the Babbitt washer 42 away from the corresponding annular dovetail groove 411 , and the included angle θ between the supporting surface 422 and the central axis 43 is about 45°. Thereby, the Babbitt washer 42 can not only abut the ball plug 20 effectively through the supporting surface 422 , but also effectively support and load the ball plug 20 through the supporting surface.

Referring again to FIG. 2 to FIG. 5 , the structure of the diverter valve of the present application further includes a plurality of beam tubes 50 and a plurality of elastic fixing rings 60 . Each bundle tube 50 is sleeved on the outer edge of each connecting pipe 31 , and binds and clamps each corresponding ring body 41 . Specifically, each beam tube 50 has a buckle 51 , and each ring body 41 has a slot 412 . Each buckle 51 is fastened to each slot 412 , so that each bundle tube 50 can clamp each corresponding ring body 41 without causing the ring body 41 to fall off from the connecting pipe 31 . Please refer to FIG. 3 and FIG. 5 , after the buckle 51 is locked in the slot 412 , it can prevent the ring body 41 from detaching upward in the figure. Each elastic fixing ring 60 is clamped between each connecting pipe 31 and each bundle tube 50 , so as to vertically restrict the bundle tube 50 . Specifically, the outer edge of the connecting pipe 31 and the inner wall of the beam tube 50 are respectively formed with semicircular grooves (not numbered in the figure) for the elastic fixing ring 60 to be clamped, thereby preventing the beam tube 50 from moving toward the direction shown in FIGS. 3 and 5 . The up and down direction movement in the center can effectively ensure the fixation of the ring body 41 .

Referring back to FIGS. 3 to 5 , in order to further ensure the sealing between the connecting pipe 31 and the abutment ring 40 , each abutment ring 40 further includes a rubber ring 44 . The inner wall of each ring body 41 is concavely provided with grooves 413 , and the rubber rings 44 are respectively accommodated in the grooves 413 and contact the corresponding connecting pipes 31 . Thereby, fluids such as powder, gas or liquid can be ensured to leak from the outer edge of the connecting pipe 31 and the inner edge of the abutment ring 40, effectively ensuring the sealing performance of the diverter valve. Furthermore, in order to ensure that the Babbitt washer 42 of the abutting ring 40 can effectively abut against the ball plug 20 , the diverter valve structure of the present application further includes a plurality of disc springs 80 . The outer wall of each connecting pipe 31 has steps (not labeled) extending outward, and each disk spring 80 is respectively arranged on each step and elastically abuts each corresponding ring body 41, so that each abutting ring 40 can be supported by each The disk spring 80 is pressed against the ball plunger 20 . It should be noted that, on each adapter seat 30 in this embodiment, the disc spring 80 and the abutment ring 40 are restrained and restricted on the connecting pipe 31 by the bundle tube 50, but the application is not limited thereto. .

Please refer to FIG. 8 , another embodiment of the present application, the main difference is that it does not include the aforementioned components and features such as the beam tube 50 , the buckle 51 and the slot 412 , but the outer wall of each ring body 41 On the side away from the annular dovetail groove 411 , a binding ring portion 414 extends, and a ring wall 311 is provided on the outer edge of each connecting pipe 31 . Each tie ring part 414 is sleeved on the outer edge of each ring wall 311 to play the role of restraint and clamping. Moreover, each elastic fixing ring 60 in this embodiment is clamped between each ring wall 311 and each ring portion 414 respectively, so as to restrict the ring body 41 . Specifically, grooves (not labeled) are respectively formed on the outer edge of the ring wall 311 and the inner wall of the ring portion 414 for the elastic fixing ring 60 to be clamped, thereby preventing the ring body 41 from moving in the up and down direction in FIG. 8 , thereby effectively ensuring the fixation of the abutment ring 40 .

To further illustrate, in the embodiment shown in FIG. 8 , the diverter valve structure further includes a plurality of wave springs 70 . An accommodating space 312 is formed between each ring wall 311 and the corresponding connecting pipe 31 , and each wave spring 70 is respectively located in each accommodating space 312 and elastically contacts each corresponding ring body 41 . Thereby, the abutment ring 40 can be cushioned by the wave spring 70 to have a certain degree of contraction margin, and the structural interference damage will not be directly caused by the excessive bearing force of the abutment ring 40 .

The directional valve structure of the present application abuts the ball plug 20 by embedding the Babbitt gasket 42 in the annular dovetail groove 411, which can save the surface hardening treatment of the ball plug 20 and the abutment ring 40, thereby effectively reducing the Environmental pollution, reduce production costs and shorten the manufacturing process.

To sum up, this application has industrial applicability, novelty and progress, fully meets the requirements of patent application, and should be filed in accordance with the Patent Law. Of course, the present application can also have other various embodiments. Without departing from the spirit and essence of the present application, those skilled in the art can evolve various corresponding changes and deformations according to the present application, but these corresponding All changes and deformations should belong to the protection scope of the patent applied for in this application.

Claims (14)

1. A directional valve structure, characterized in that, comprising: The main valve body has a cavity and a plurality of installation ports, each of which is connected to the cavity; A ball plug is rotatably arranged in the cavity, and the ball plug has at least one channel, and the channel communicates with two of the installation ports; A plurality of adapters are respectively arranged in each of the installation ports, and each of the adapters has a connecting pipe extending toward the cavity; and A plurality of abutment rings are respectively sleeved with each of the connecting pipes, each of the abutment rings includes a ring body and a Babbitt gasket, each of the ring bodies is provided with an annular dovetail groove, and each of the Babbitt metal The gaskets are respectively embedded in the annular dovetail grooves and abut against the ball plugs together. 2. The directional valve structure according to claim 1, wherein the section of each said annular dovetail groove is trapezoidal. 3. The directional valve structure according to claim 1, wherein a first inner diameter is formed at the opening of each said annular dovetail groove, and a second inner diameter is formed at the bottom of each said annular dovetail groove , the first inner diameter is smaller than the second inner diameter. 4. The directional valve structure according to claim 1, wherein each of the abutment rings defines a central axis, and each of the annular dovetail grooves is inclined toward the corresponding central axis. 5. The diverter valve structure according to claim 1, wherein each of said Babbitt washers has a supporting surface abutting against said ball plug, and said supporting surface is located away from the corresponding babbitt washer. One side of the annular dovetail groove. 6 . The directional valve structure according to claim 5 , wherein each abutment ring defines a central axis, and the included angle between the support surface and the central axis is 45°. 7. The diverter valve structure according to claim 1, further comprising a plurality of beam tubes, each of the beam tubes is respectively sleeved on the outer edge of each of the connecting pipes and clamps the corresponding rings body. 8. The directional valve structure as claimed in claim 7, wherein each of the beam tubes has a buckle, each of the rings has a slot, and each of the buckles is respectively fastened to each of the said rings. card slot. 9. The diverter valve structure according to claim 7, further comprising a plurality of elastic fixing rings, each of the elastic fixing rings is clamped between each of the connecting pipes and each of the bundle tubes. 10. The directional valve structure according to claim 1, wherein each said abutment ring further comprises a rubber ring, the inner wall of each said ring body is provided with a groove, and each said rubber ring is respectively provided with a groove. In each of the grooves and in contact with each of the corresponding connecting pipes. 11. The diverter valve structure according to claim 1, further comprising a plurality of disk springs, each of the connecting pipes is extended with a step, and each of the disk springs is respectively arranged on each of the steps And elastically contact the corresponding ring bodies. 12. The diverter valve structure as claimed in claim 1, wherein each said ring body is provided with a beam ring part extending away from the side of said annular dovetail groove, and the outer edge of each said connecting pipe is provided with There is a ring wall, and each ring part is sleeved with each ring wall. 13. The diverter valve structure according to claim 12, further comprising a plurality of elastic fixing rings, each of the elastic fixing rings is clamped between each of the ring walls and each of the ring portions . 14. The directional valve structure according to claim 13, further comprising a plurality of wave springs, an accommodating space is formed between each of the ring walls and the corresponding connecting pipe, and each of the wave springs The springs are respectively located in each of the accommodating spaces and elastically abut against each of the corresponding ring bodies.

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