CN215257825U

CN215257825U - Control valve sealing element and processing device thereof

Info

Publication number: CN215257825U
Application number: CN202120644919.XU
Authority: CN
Inventors: 郑元武; 何炜
Original assignee: Anji Fujikura Rubber Co ltd
Current assignee: Anji Fujikura Rubber Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-12-21
Anticipated expiration: 2031-03-30

Abstract

The utility model relates to a sealed technical field, concretely relates to control valve sealing member and processingequipment thereof. A control valve sealing element comprises a ring main body, wherein a contact part which is convenient to seal and move is arranged on the outer side of the ring main body in a surrounding mode, and a limiting part which is easy to demould is arranged on the inner side of the ring main body; a processing device of a control valve sealing element is used for processing the control valve sealing element and comprises a base, wherein a plurality of limiting cavities are formed in the base, replaceable die units are arranged in the limiting cavities respectively, and the die units are used for being matched with a ring piece main body, a contact part and a limiting part of the control valve sealing element. To the technical problem that the control valve sealing member does not stand wear and tear and high temperature, the control valve sealing member of this scheme has realized stand wear and tear effect through the contact site of addding special shape, through chooseing for use specific rubber material again, has solved the problem of high temperature resistance, and corresponding processingequipment has been designed for the control valve sealing member to this scheme to realize its manufacturing.

Description

Control valve sealing element and processing device thereof

Technical Field

The utility model relates to a sealed technical field, concretely relates to control valve sealing member and processingequipment thereof.

Background

Control valves have wide application, and control valve sealing elements such as O-shaped rings and the like are key components in the control valves and play an important role. And the working environment of the sealing element such as the O-shaped ring is mainly in the valve body, the sealing element moves along with the valve core and continuously rubs with the inner wall of the valve body, abrasion is easily formed and leakage is caused, the temperature of liquid in the valve body is continuously increased along with the working time, and the sealing element needs to have high-temperature resistance. Therefore, a control valve sealing element with wear resistance and high temperature resistance and a corresponding processing device need to be designed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

Need stand wear and tear, high temperature resistance technical problem to the control valve sealing member, the utility model provides a control valve sealing member and processingequipment thereof, the control valve sealing member in this scheme has realized stand wear and tear effect through the contact site of addding special shape, through chooseing for use specific rubber material again, has solved high temperature resistance problem, and corresponding processingequipment has been designed for this control valve sealing member simultaneously to this scheme to realize its manufacturing.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

the sealing piece of the control valve comprises a ring main body, wherein a contact part which is convenient to seal and move is arranged on the outer side of the ring main body in a surrounding mode, and a limiting part which is easy to demould is arranged on the inner side of the ring main body.

Optionally, the contact portion includes a swing ring disposed around the ring main body, an outer edge of a cross section of the swing ring is an arc curve, a connection portion of the swing ring and the ring main body is narrowed, and the swing ring is provided with multiple layers.

Optionally, the contact portion further comprises a lubrication groove provided between the wobble rings.

Optionally, the limiting portion comprises a limiting groove arranged on the inner side of the ring main body, the limiting groove is provided with multiple layers, a plurality of positioning holes are further formed in the inner side of the piece changing main body, and the positioning holes are communicated with the limiting groove.

Optionally, the ring main body, the contact portion and the limiting portion are made of rubber.

The machining device for the control valve sealing element comprises a base, wherein a plurality of limiting cavities are formed in the base, replaceable die units are arranged in the limiting cavities respectively, and the die units are used for being matched with a ring body, a contact part and a limiting part of the control valve sealing element.

Optionally, the mold unit includes a base, the base is fixed to the limiting cavity, a positioning cavity is formed in the base, a split mold assembly is arranged in the positioning cavity, the split mold assembly is matched with the ring main body, the contact portion and the limiting portion of the control valve sealing member, and a plurality of material overflow ports are formed in one side of the split mold assembly.

Optionally, the split type mold assembly comprises a first structural plate, the first structural plate is fixed with the positioning cavity, a second structural plate is arranged in the first structural plate, an embedded structural plate assembly is further arranged on the upper side of the first structural plate, and a third structural plate is arranged on the upper sides of the second structural plate and the embedded structural plate assembly;

the embedded structure plate assembly comprises a first embedded plate and a second embedded plate, and the structural shapes of the first embedded plate and the second embedded plate are matched with each other.

The first structural plate, the second structural plate, the first embedded plate, the second embedded plate and the third structural plate are matched to form a cavity, and the cavity is matched with the ring main body, the contact part and the limiting part of the control valve sealing piece in shape.

Optionally, No. two structural slab upside and downside are fixed and are provided with limited post, all be provided with on No. one structural slab and No. three structural slab and prescribe a limit to the hole, the setting is matchd with the limited hole to prescribed a limit to the post.

Optionally, a plurality of fixing columns are arranged on the first embedded plate and the second embedded plate, a plurality of fixing holes are arranged on the first structural plate and the third structural plate, and the fixing columns and the fixing holes are arranged in a matched mode.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the embodiment of the application provides a control valve sealing member, utilize the contact site that sets up in the main part outside of trading for when the control valve sealing member moves about in the valve, can guarantee better sealed effect, can delay wearing and tearing again, improve the durability, increase of service life, through at the inside spacing portion that sets up of ring main part, make the whole easy drawing of patterns of control valve sealing member, and make the control valve sealing member can cooperate with processingequipment through spacing portion, the processing of easy overlap.

The processing device of the control valve sealing element is used for processing the control valve sealing element, the base can be regarded as an operation platform of a die machine, a limiting cavity in the base is used for loading a die unit which is convenient to detach and replace, the die unit is used for adapting a ring body, a contact part and a limiting part of the control valve sealing element so as to process the control valve sealing element, and the die unit can process the control valve sealing element in different sizes through replacement, so that the processing and forming of the control valve sealing element in multiple sizes in the same batch can be realized.

Drawings

Fig. 1 is a schematic structural diagram of a control valve sealing member according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural diagram of a sealing member of a control valve according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic structural view of a processing device for a sealing member of a control valve according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a mold unit according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of a mold unit according to an embodiment of the present invention.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The utility model discloses in words such as first, second, be for the description the utility model discloses a technical scheme is convenient and set up, and does not have specific limiting action, is general finger, right the technical scheme of the utility model does not constitute limiting action. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and between the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, which is all within the scope of the present invention.

Example 1

With reference to fig. 1 to 6, the present embodiment provides a control valve seal, which includes a ring main body 100, a contact portion 10 that facilitates sealing and movement is disposed around the outside of the ring main body 100, and a limiting portion 20 that facilitates demolding is disposed inside the ring main body 100.

The contact part 10 arranged on the outer side of the part changing main body 100 is utilized, so that when the control valve sealing piece moves in the valve, a good sealing effect can be guaranteed, abrasion can be delayed, the durability is improved, the service life is prolonged, the limiting part 20 is arranged in the ring piece main body 100, the control valve sealing piece is integrally easy to demould, and the control valve sealing piece can be matched with a processing device through the limiting part 10, so that flash is easy to treat.

As an optional implementation manner of this embodiment, the contact portion 10 includes a swing ring 101 disposed around the ring main body 100, an outer edge of a cross section of the swing ring 101 is a circular arc curve, a connection portion between the swing ring 101 and the ring main body 100 is narrowed, and the swing ring 101 is provided with multiple layers.

The swinging ring 101 is contacted with the inner wall of the valve body, the connecting part of the swinging ring 101 and the ring piece main body 100 is narrowed, so that the swinging ring 101 is easy to swing along with the movement of the valve core, and the outer edge of the section of the swinging ring 101 is an arc curve and is matched with the swinging ring 101 to swing along with the movement of the valve core, so that the abrasion of the swinging ring 101 is more uniform, the service life of the swinging ring 101 is prolonged, and the integral durability of the valve body sealing element is improved.

As an alternative embodiment of this embodiment, the contact portion 10 further comprises a lubrication groove 102 provided between the oscillating rings 101. Lubricating oil is stored in a lubricating groove 102 arranged between the swinging rings 101 to realize the lubricating action of the swinging rings 101 and reduce the friction loss between the swinging rings 101 and the inner wall of the valve body.

As an optional implementation manner of this embodiment, the limiting portion 20 includes a limiting groove 103 disposed on the inner side of the ring main body 100, the limiting groove 103 is provided with multiple layers, the inner side of the element changing main body 100 is further provided with a plurality of positioning holes 104, and the positioning holes 104 are communicated with the limiting groove 103. By arranging the limiting groove 103, the limiting groove 103 is matched and combined with the corresponding structure of the tool, so that the tool and the sealing element can be prevented from vertically sliding relative to each other, and vertical acting force can be resisted, thereby facilitating working scenes such as synchronous lifting and the like; through setting up location mouth 104, utilize location mouth 104 and the corresponding structure matching of instrument of treating to combine to guarantee instrument of treating and sealing member synchronous horizontal rotation, be convenient for processing links such as the processing of follow-up overlap rotation excision.

As an alternative embodiment of this embodiment, the ring body 100, the contact portion 10, and the stopper portion 20 are made of rubber. The ring main body 100, the contact portion 10 and the limiting portion 20 are made of rubber materials and are of an integrally formed structure, the rubber materials such as fluorine rubber materials can be selected, and the fluorine rubber materials have the characteristics of good chemical stability, excellent high temperature resistance, good aging resistance and the like and are suitable for the working environment inside the valve body.

Example 2

The embodiment provides a processing device for a sealing element of a control valve, which is used for processing the sealing element of the control valve on the basis of embodiment 1, and comprises a base 200, wherein a plurality of limiting cavities 201 are arranged on the base 200, replaceable die units 30 are respectively arranged in the limiting cavities 201, and the die units 30 are used for being matched with a ring body 100, a contact part 10 and a limiting part 20 of the sealing element of the control valve.

The base 200 can be regarded as a control platform of a mold machine, the limiting cavity 201 in the base 200 is used for loading the mold unit 30 which is convenient to disassemble and replace, the mold unit 30 is used for adapting the ring body 100, the contact part 10 and the limiting part 20 of the control valve sealing element so as to be capable of machining the control valve sealing element, and the mold unit 30 can realize machining of control valve sealing elements with different sizes through replacement, so that machining and forming of control valve sealing elements with multiple sizes in the same batch can be realized.

As an optional implementation manner of this embodiment, the mold unit 30 includes a base 202, the base 202 is fixed to the limiting cavity 201, a positioning cavity 203 is disposed on the base 202, a split mold assembly is disposed in the positioning cavity 203, the split mold assembly is adapted to the ring main body 100, the contact portion 10, and the limiting portion 20 of the control valve sealing member, and a plurality of material overflow ports 214 are disposed on one side of the split mold assembly 203. The base 202 is used for being fixed with the limiting cavity 201 through bolts and the like so as to realize the integral fixation of the die unit 30, the positioning cavity 203 in the base 202 is used for installing a split type die assembly, the split type die is matched with the ring body 100, the contact part 10 and the limiting part 20 of the control valve sealing element so as to be used for machining the control valve sealing element, the split type die corresponding to the control valve sealing element with different sizes is replaced so as to realize the machining of the control valve sealing element with different sizes, and the overflow and temporary collection of waste materials during the die machining are realized by arranging the overflow port 214.

As an optional implementation manner of this embodiment, the split type mold assembly includes a first structural plate 204, the first structural plate 204 is fixed to the positioning cavity 203, a second structural plate 205 is disposed in the first structural plate 204, an embedded structural plate assembly is further disposed on the upper side of the first structural plate 204, and a third structural plate 208 is disposed on the upper sides of the second structural plate 205 and the embedded structural plate assembly;

the embedded structural plate assembly comprises a first embedded plate 206 and a second embedded plate 207, and the structural shapes of the first embedded plate 206 and the second embedded plate 207 are matched with each other.

The first structural plate 204, the second structural plate 205, the first embedded plate 206, the second embedded plate 207 and the third structural plate 208 are matched to form a cavity 209, and the cavity 209 is matched with the ring body 100, the contact part 10 and the limiting part 20 of the control valve sealing piece in shape.

The first structural plate 204, the second structural plate 205, the first embedded plate 206, the second embedded plate 207 and the third structural plate 208 are matched together to form a cavity 209, the cavity 209 is matched with the ring body 100, the contact part 10 and the limiting part 20 of the control valve sealing piece in shape so as to be used for processing and forming the control valve sealing piece, and when a mold is processed, the different first structural plate 204, the second structural plate 205, the first embedded plate 206, the second embedded plate 207 and the third structural plate 208 can be replaced to form cavities 209 with different sizes in a combined mode so as to be used for processing control valve sealing pieces with different sizes; in demolding, since the first engaging plate 206 and the second engaging plate 207 can be separated from each other, demolding can be better performed by detaching the first engaging plate and the second engaging plate when processing a rubber member which is inconvenient to demold.

As an optional implementation manner of this embodiment, the second structural plate 205 is fixedly provided with a limiting column 210 at the upper side and the lower side, the first structural plate 204 and the third structural plate 205 are both provided with a limiting hole 211, and the limiting column 210 is arranged in a matching manner with the limiting hole 211. Through the limiting columns 210 and the limiting holes 211 which are arranged in a matched mode, the first structural plate 204, the third structural plate 205 and the third structural plate 208 are fixed mutually, mutual movement among components is prevented, and processing and forming of rubber parts such as control valve sealing pieces are achieved better.

As an optional implementation manner of this embodiment, a plurality of fixing columns 212 are disposed on each of the first engagement plate 206 and the second engagement plate 207, a plurality of fixing holes 213 are disposed on each of the first structural plate 204 and the third structural plate 208, and the fixing columns 212 and the fixing holes 213 are disposed in a matching manner. The first structural plate 204, the first embedded plate 206, the second embedded plate 207 and the third structural plate 208 are fixed through the fixing columns 212 and the fixing holes 213 which are arranged in a matched mode, mutual movement of components is effectively prevented, and processing and molding of rubber parts such as control valve sealing parts are better achieved.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The sealing element of the control valve is characterized by comprising a ring main body, wherein a contact part which is convenient to seal and move is arranged on the outer side of the ring main body in a surrounding mode, and a limiting part which is easy to demould is arranged on the inner side of the ring main body.

2. The control valve seal according to claim 1, wherein the contact portion comprises a swing ring circumferentially disposed around the ring body, the outer edge of the cross-section of the swing ring is a circular arc curve, the connection between the swing ring and the ring body narrows, and the swing ring has multiple layers.

3. The control valve seal of claim 2 wherein said contact portion further comprises a lubrication groove disposed between said wobble rings.

4. The control valve sealing member according to claim 1, wherein the limiting portion includes a limiting groove disposed on an inner side of the ring main body, the limiting groove is provided with a plurality of layers, and a plurality of positioning holes are further disposed on an inner side of the replacement main body, and the positioning holes are communicated with the limiting groove.

5. The control valve seal of claim 1, wherein the ring body, the contact portion, and the stop portion are all made of rubber.

6. A processing device of a control valve sealing element is used for processing the control valve sealing element according to any one of claims 1 to 5, and is characterized by comprising a base, wherein a plurality of limiting cavities are arranged on the base, replaceable die units are respectively arranged in the limiting cavities, and the die units are used for being matched with a ring body, a contact part and a limiting part of the control valve sealing element.

7. The processing device of the control valve sealing element according to claim 6, wherein the mold unit comprises a base, the base is fixed to the limiting cavity, a positioning cavity is formed in the base, a split mold assembly is arranged in the positioning cavity, the split mold assembly is matched with the ring body, the contact portion and the limiting portion of the control valve sealing element, and a plurality of material overflow ports are formed in one side of the split mold assembly.

8. The processing device of the control valve sealing element according to claim 7, wherein the split type die assembly comprises a first structural plate, the first structural plate is fixed with the positioning cavity, a second structural plate is arranged in the first structural plate, an embedded structural plate assembly is further arranged on the upper side of the first structural plate, and a third structural plate is arranged on the upper sides of the second structural plate and the embedded structural plate assembly;

the embedded structure plate assembly comprises a first embedded plate and a second embedded plate, and the structural shapes of the first embedded plate and the second embedded plate are matched with each other;

9. The processing device for the control valve sealing element according to claim 8, wherein the upper side and the lower side of the second structural plate are fixedly provided with limiting columns, the first structural plate and the third structural plate are respectively provided with limiting holes, and the limiting columns are arranged in a matching manner with the limiting holes.

10. The processing device for the sealing element of the control valve according to claim 8, wherein a plurality of fixing columns are arranged on each of the first embedding plate and the second embedding plate, a plurality of fixing holes are arranged on each of the first structural plate and the third structural plate, and the fixing columns and the fixing holes are arranged in a matching manner.