CN211371309U - Fireproof flame-retardant butterfly plate - Google Patents
Fireproof flame-retardant butterfly plate Download PDFInfo
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- CN211371309U CN211371309U CN201922431818.XU CN201922431818U CN211371309U CN 211371309 U CN211371309 U CN 211371309U CN 201922431818 U CN201922431818 U CN 201922431818U CN 211371309 U CN211371309 U CN 211371309U
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Abstract
The utility model provides a fire-retardant butterfly plate of fire prevention, the butterfly plate includes: the plate body is circular in shape; the assembly table is circular in shape, the assembly table is convexly arranged on one surface of the plate body, an assembly groove matched with the valve rod is formed in the middle of one surface, far away from the plate body, of the assembly table along the radial direction of the assembly table, and the cross section of the assembly groove is arc-shaped; the surfaces of the assembling platforms at the two ends of the assembling groove in the length direction are respectively provided with an assembling sleeve in a protruding mode, and the two assembling sleeves are coaxial with the axial center line of the assembling groove; an assembly ring is convexly arranged on the surface of the plate body far away from the assembly table, and a plurality of slotted holes are formed in the surface of the assembly ring at intervals along the circumferential direction of the assembly ring. The butterfly plate is reasonable in structural design, can realize the stable fixation of the valve rod, guarantees the service efficiency of the butterfly valve, and is high in overall rigidity, convenient to assemble, low in production and manufacturing cost and good in economic benefit.
Description
Technical Field
The utility model belongs to the technical field of the butterfly valve, specifically, relate to a fire-retardant butterfly plate of fire prevention.
Background
The valve rod axis deviates from the center of the disc and the center of the body at the same time, and the valve seat rotation axis has a certain angle with the valve body channel axis, which is called a triple eccentric butterfly valve.
The three-eccentric butterfly valve is widely used for industrial pipelines with medium temperature less than or equal to 95 ℃, such as metallurgy, electric power, petrochemical industry, water supply and drainage, municipal construction and the like, and is used for adjusting flow and carrying out fluid cutoff.
The three-eccentric butterfly valve is a butterfly valve which protrudes out of the industrial pipeline at present, and belongs to the category of hard sealing butterfly valves according to the sealing form. Therefore, the triple eccentric butterfly valve has the characteristics of a hard seal butterfly valve, is high temperature resistant and erosion resistant, and has a long service life. And because the triple eccentric butterfly valve directly welds the high-temperature corrosion resistant alloy material on the surface of the valve seat, the valve also has excellent sealing performance like a soft sealing butterfly valve.
For butterfly valve butterfly plate, chinese patent publication No. CN101988589A discloses an eccentric butterfly valve butterfly plate, including: a body positioned by the upper and lower valve stems; the shape of the body is a circular surface body; one side of the circular surface body is a plane, and the other side of the circular surface body is a convex surface; an upper positioning block and a lower positioning block are respectively arranged on the upper side and the lower side of one side of the convex surface of the circular surface body; the upper positioning block and the lower positioning block are respectively provided with a taper pin hole and 2 taper pin holes which are used for fixing the body at the sides; 3 are eccentrically arranged on an ideal sealing line relative to the middle position of the thickness of the body; through U type metal elasticity disk seat that can float, carry out self-align to the disk seat by the position of butterfly plate, realize sealed through the compression deflection of metal disk seat, effectively must carry out automatic compensation to the wearing and tearing of sealed face for the replaceability of butterfly plate has increased. However, the butterfly plate that this patent provided, the butterfly plate is connected with the valve rod, realizes through last locating piece and lower locating piece, nevertheless goes up the locating piece and does not communicate with each other with lower locating piece, therefore its used valve rod divide into valve rod and lower valve rod, and the valve rod divide into two sections promptly, and such design can influence the joint strength between valve rod and the butterfly plate, influences the butterfly valve result of use.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists, the utility model aims to provide a fire-retardant butterfly plate prevents fires, butterfly plate structural design is reasonable, can realize the firm fixed to the valve rod, guarantees the availability factor of butterfly valve, and butterfly plate rigidity is high, convenient assembling, and production, low in manufacturing cost, economic benefits are good.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a fire retardant butterfly plate, the butterfly plate comprising: the plate body is circular in shape; the assembly table is circular in shape, the assembly table is convexly arranged on one surface of the plate body, an assembly groove matched with the valve rod is formed in the middle of one surface, far away from the plate body, of the assembly table along the radial direction of the assembly table, and the cross section of the assembly groove is arc-shaped; the surfaces of the assembling platforms at the two ends of the assembling groove in the length direction are respectively provided with an assembling sleeve in a protruding mode, and the two assembling sleeves are coaxial with the axial center line of the assembling groove; an assembly ring is convexly arranged on the surface of the plate body far away from the assembly table, and a plurality of slotted holes are formed in the surface of the assembly ring at intervals along the circumferential direction of the assembly ring.
Further, a distance exists between the axial center line of the assembling groove and the longitudinal axis line of the plate body.
Furthermore, the two opposite side walls of the assembling sleeve are respectively connected with a reinforcing rib, the reinforcing ribs are obliquely and convexly arranged on one surface of the assembling table, which is far away from the plate body, and the two reinforcing ribs on each assembling sleeve are axially and symmetrically arranged along the assembling sleeve.
Further, the length of the reinforcing rib connected to one side of the assembling sleeve is greater than that of the reinforcing rib connected to the other side of the assembling sleeve.
Furthermore, the reinforcing ribs positioned on the same side of the two assembling sleeves are arranged in a mirror symmetry mode.
Furthermore, a guide groove is axially formed on the outer wall of the assembling sleeve which is far away from the assembling table and positioned between the two reinforcing ribs along the assembling sleeve.
Furthermore, the end face of one end of the plate body is a conical surface, the conical surface is matched with the end face of the other end of the plate body to form a cone, and the cone angle of the cone is 20 degrees.
Furthermore, the number of the slotted holes is 8, the slotted holes are arranged on the surface of the assembling ring at equal intervals, and the depth of each slotted hole is 8-10 mm.
Further, the surface of the body is coated with a flame-retardant coating, and the flame-retardant coating is a polyvinyl chloride flame-retardant coating.
Furthermore, an assembly guide groove matched with the assembly groove is formed in the surface of the body located on the outer side of the assembly table.
The beneficial effects of the utility model reside in that:
the butterfly plate is reasonable in structural design, the valve rod can be inserted through the matching design of the assembling groove and the assembling sleeve on the assembling table, the valve rod can be accommodated in the assembling groove, the valve rod can be fixed through the matching of the two assembling sleeves, the matching stability of the valve rod and the butterfly plate is ensured, and the valve rod drives the butterfly plate to rotate;
the structural design of the assembly ring can ensure the matching of the butterfly plate and the sealing ring and ensure the sealing matching of the butterfly plate, the valve rod and the valve body;
the strength of the butterfly plate can be ensured by the design of the reinforcing ribs;
due to the design of the flame-retardant coating, the flame-retardant performance of the butterfly plate can be improved, the service life is prolonged, and the use cost is reduced;
the butterfly valve has the advantages that the valve rod can be stably fixed, the service efficiency of the butterfly valve is guaranteed, the integral rigidity of the butterfly plate is high, the butterfly plate is convenient to assemble, the production and manufacturing costs are low, and the economic benefit is good.
Drawings
Fig. 1 is a schematic structural view of a fireproof and flame-retardant butterfly plate provided by the present invention;
FIG. 2 is a rear view of FIG. 1;
fig. 3 is a sectional view taken along line a-a of fig. 2.
Detailed Description
Referring to fig. 1~3, a fire-retardant butterfly plate of preventing fires, the butterfly plate includes: the plate body 1 is circular; the assembling table 2 is circular, the assembling table 2 is convexly arranged on one surface of the plate body 1, an assembling groove 21 matched with a valve rod (not shown) is formed in the middle of one surface, far away from the plate body 1, of the assembling table 2 along the radial direction of the assembling table 2, and the section of the assembling groove 21 is arc-shaped; the surfaces of the assembling platforms 2 at the two ends of the assembling groove 21 in the length direction are respectively provided with an assembling sleeve 22 in a protruding mode, and the two assembling sleeves 22 are coaxial with the axial center line 211 of the assembling groove 21; the surface of the plate body 1 far away from the assembling table 2 is convexly provided with an assembling ring 3, and the surface of the assembling ring 3 is provided with a plurality of slotted holes 31 at intervals along the circumferential direction of the assembling ring 3.
Further, there is a distance between the axial center line 211 of the fitting groove 21 and the longitudinal axis 100 of the plate body 1.
Furthermore, two opposite side walls of the assembling sleeve 22 are respectively connected with a reinforcing rib 23, the reinforcing ribs 23 are obliquely and convexly arranged on one surface of the assembling table 2 far away from the plate body 1, and the two reinforcing ribs 23 on each assembling sleeve 22 are axially and symmetrically arranged along the assembling sleeve 22.
Further, the reinforcing bar 23 connected to one side of the fitting sleeve 22 has a length greater than that of the reinforcing bar 23 connected to the other side of the fitting sleeve 22.
Further, the reinforcing ribs 23 on the same side of the two assembling sleeves 22 are arranged in mirror symmetry.
Furthermore, a guide groove 24 is formed on the outer wall of the assembling sleeve 22, which is far away from the assembling table 2 and is located between the two reinforcing ribs 23, along the axial direction of the assembling sleeve 22.
Furthermore, the end face of one end of the plate body 1 is a conical surface 11, the conical surface 11 and the end face of the other end of the plate body 1 are matched to form a cone 12, and the cone angle of the cone 12 is 20 °.
Furthermore, the number of the slotted holes 31 is 8, the slotted holes 31 are arranged on the surface of the assembling ring 3 at equal intervals, and the depth of each slotted hole 31 is 8-10 mm.
Further, the surface of the body 1 is coated with a flame retardant coating (not shown), and the flame retardant coating is a polyvinyl chloride flame retardant coating.
Further, the surface of the body 1 located outside the assembling table 2 is provided with an assembling guide groove 13 matched with the assembling groove 21.
Wherein, the butterfly plate is made of PVC-C material.
The fireproof flame-retardant butterfly plate has reasonable structural design, the valve rod can be inserted through the matching design of the assembly groove 21 and the assembly sleeve 22 on the assembly table 2, the valve rod can be accommodated by the assembly groove, the valve rod can be fixed through the matching of the two assembly sleeves, the stability of the matching of the valve rod and the butterfly plate is ensured, and the valve rod drives the butterfly plate to rotate;
the structural design of the assembly ring can ensure the matching of the butterfly plate and the sealing ring and ensure the sealing matching of the butterfly plate, the valve rod and the valve body;
the strength of the butterfly plate can be ensured by the design of the reinforcing ribs;
due to the design of the flame-retardant coating, the flame-retardant performance of the butterfly plate can be improved, the service life is prolonged, and the use cost is reduced;
the butterfly valve has the advantages that the valve rod can be stably fixed, the service efficiency of the butterfly valve is guaranteed, the integral rigidity of the butterfly plate is high, the butterfly plate is convenient to assemble, the production and manufacturing costs are low, and the economic benefit is good.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that various modifications and equivalent arrangements can be made without departing from the scope of the present invention, which is intended to be covered by the appended claims.
Claims (10)
1. A fire-retardant butterfly plate of preventing fires, its characterized in that, butterfly plate includes:
the plate body is circular in shape;
the assembly table is circular in shape, the assembly table is convexly arranged on one surface of the plate body, an assembly groove matched with the valve rod is formed in the middle of one surface, far away from the plate body, of the assembly table along the radial direction of the assembly table, and the cross section of the assembly groove is arc-shaped;
the surfaces of the assembling platforms at the two ends of the assembling groove in the length direction are respectively provided with an assembling sleeve in a protruding mode, and the two assembling sleeves are coaxial with the axial center line of the assembling groove;
an assembly ring is convexly arranged on the surface of the plate body far away from the assembly table, and a plurality of slotted holes are formed in the surface of the assembly ring at intervals along the circumferential direction of the assembly ring.
2. The fire-resistant and flame-retardant butterfly plate according to claim 1, wherein a distance exists between an axial center line of the assembling groove and a longitudinal axis line of the plate body.
3. The fireproof and flame-retardant butterfly plate according to claim 1, wherein two opposite side walls of the assembling sleeve are respectively connected with a reinforcing rib, the reinforcing ribs are obliquely and convexly arranged on the surface of the assembling table away from the plate body, and the two reinforcing ribs on each assembling sleeve are axially symmetrically arranged along the assembling sleeve.
4. The fire retardant butterfly plate of claim 3 wherein the length of the reinforcing rib attached to one side of the mounting sleeve is greater than the reinforcing rib attached to the other side of the mounting sleeve.
5. The fire-proof and flame-retardant butterfly plate according to claim 4, wherein the reinforcing ribs on the same side of the two assembling sleeves are arranged in mirror symmetry.
6. The fireproof flame-retardant butterfly plate according to claim 3, 4 or 5, wherein a guide groove is formed in the outer wall of the assembling sleeve, which is far away from the assembling table and located between the two reinforcing ribs, along the axial direction of the assembling sleeve.
7. The fireproof flame-retardant butterfly plate according to claim 1, wherein the end face of one end of the plate body is a conical surface, the conical surface and the end face of the other end of the plate body are matched to form a cone, and the cone angle of the cone is 20 °.
8. The fireproof flame-retardant butterfly plate according to claim 1, wherein the number of the slots is 8, the slots are arranged on the surface of the mounting ring at equal intervals, and the depth of each slot is 8-10 mm.
9. The fireproof flame-retardant butterfly plate according to claim 1, wherein the surface of the body is coated with a flame-retardant coating, and the flame-retardant coating is a polyvinyl chloride flame-retardant coating.
10. The fireproof flame-retardant butterfly plate according to claim 1, wherein an assembly guide groove matched with the assembly groove is formed in the surface of the body located outside the assembly table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922431818.XU CN211371309U (en) | 2019-12-30 | 2019-12-30 | Fireproof flame-retardant butterfly plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922431818.XU CN211371309U (en) | 2019-12-30 | 2019-12-30 | Fireproof flame-retardant butterfly plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211371309U true CN211371309U (en) | 2020-08-28 |
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ID=72173481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922431818.XU Active CN211371309U (en) | 2019-12-30 | 2019-12-30 | Fireproof flame-retardant butterfly plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211371309U (en) |
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2019
- 2019-12-30 CN CN201922431818.XU patent/CN211371309U/en active Active
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