Wedge-shaped sealing piece for spiral sealing end

Abstract

The utility model discloses a wedge-shaped sealing piece used for a spiral sealing end, which comprises a sealing ring, the upper end of a sealing wedge at the upper end of the inner wall of the sealing ring is fixedly connected with an upper sealing cover, the lower end of a sealing wedge at the lower end of the inner wall of the sealing ring is fixedly connected with a lower sealing cover, and a positioning splicing block and a positioning splicing groove are installed in an inserted mode. The lower end of the outer wall of the lower sealing cover is fixedly connected with a welding block, and a sealing packing is placed on the inner wall of the mounting cavity. According to the wedge-shaped sealing piece for the spiral sealing end, the upper end and the lower end can be clamped and installed through the upper sealing cover and the lower sealing cover, rapid positioning and splicing can be achieved through the positioning splicing grooves and the positioning splicing blocks, rapid positioning and installation of the fixing bolts and the bolt installation grooves are facilitated, installation is more stable, and the sealing effect is better. And the sealing effect is good through insertion sealing of the sealing wedges, the cushion blocks and the mounting grooves, the sealing packing can be stably limited and mounted through the sealing wedges, four-circle winding can be carried out, the sealing effect is enhanced, and the using effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral sealing ends, in particular to a wedge-shaped sealing component used for spiral sealing ends. Background Art

[0002] A spiral seal is a sealing device used to prevent fluid or gas leakage, typically used in rotating parts of mechanical equipment. Its main structure is a sealing ring with a spiral line, which achieves a sealing effect through the wedge-shaped action of the spiral line.

[0003] The mineral powder storage is a device for storing mineral powder. A spiral feeding pipe is arranged underneath it. The mineral powder in the mineral powder storage is transported to the outside through the transmission of the spiral blades in the spiral feeding. When the spiral is running, the spiral sealing end needs to be used for sealing.

[0004] The existing equipment end face seals are small and the amount of sealing packing filled is small. After installation, dust leakage will occur after a short period of use. Its installation stability is poor, so a wedge seal for the spiral sealing end is needed to solve the above problems. Utility Model Content

[0005] The purpose of the present invention is to provide a wedge-shaped seal for a spiral sealing end, so as to solve the problems mentioned in the above background technology that the equipment end face seal is small, the amount of sealing packing is small, dust leakage occurs within a short period of use after installation, and its installation stability is poor.

[0006] The cam is secured to the cam face with an angular channel formed between a pair of camming members, the cam being secured to the cam face with a channel slot and having two guide rails extending along its length, the cam being secured to the cam face with a channel slot and having two guide rails extending along its length.

[0007] Preferably, the upper sealing cover and the lower sealing cover are symmetrically clamped and spliced ​​with the sealing ring.

[0008] Preferably, the upper sealing cover and the lower sealing cover are installed in a positioning and plug-in manner with the sealing ring through the positioning splicing groove and the positioning splicing block, and the upper sealing cover and the lower sealing cover are fixedly installed with the sealing ring in the bolt installation groove by fixing bolts.

[0009] Preferably, the upper sealing cover and the lower sealing cover are installed in a sealing manner in the installation groove by inserting and sealing with the sealing ring through a sealing wedge, and the sealing wedge is a conical structure, and the gasket is distributed in a ring-shaped manner on the outer wall of the sealing wedge.

[0010] Preferably, the welding blocks are distributed in an annular position on the outer wall of the lower sealing cover, and the welding blocks are annular structures.

[0011] Preferably, the sealing packing is installed in a limited support manner with the installation chamber through a sealing wedge, and the sealing packing is distributed in four circles on the inner wall of the installation chamber.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the wedge-shaped seal for the spiral sealing end can be installed by clamping the upper and lower ends through the upper sealing cover and the lower sealing cover, and can be quickly positioned and spliced ​​through the positioning splicing groove and the positioning splicing block, which facilitates the rapid positioning and installation of the fixing bolts and the bolt mounting grooves, and the installation is more stable. The sealing can be achieved by plugging and sealing the sealing wedge, the pad, and the mounting groove, and the sealing effect is good. The sealing packing can be stably limited and installed through the sealing wedge, and can be wrapped four times to enhance the sealing effect and achieve good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view of a wedge-shaped seal for a spiral sealing end of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of a wedge-shaped seal for a spiral sealing end of the utility model;

[0015] Figure 3 This utility model is a wedge-shaped seal for spiral sealing end Figure 2 Enlarged view of point A in the middle;

[0016] Figure 4 This utility model is a wedge-shaped seal for spiral sealing end Figure 2 Enlarged view of point B in the middle;

[0017] Figure 5 This utility model is a wedge-shaped seal for spiral sealing end Figure 2 Enlarged view of point C in the middle;

[0018] Figure 6 This utility model is a wedge-shaped seal for spiral sealing end Figure 2 Enlarged view of point D in the middle.

[0019] In the figure: 1. Sealing ring, 2. Upper sealing cover, 3. Insert rod, 4. Lower sealing cover, 5. Fixing bolt, 6. Positioning splicing groove, 7. Positioning splicing block, 8. Sealing wedge, 9. Spacer, 10. Mounting groove, 11. Welding block, 12. Sealing packing, 13. Mounting chamber, 14. Bolt mounting groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-6 The utility model provides a technical solution: a wedge-shaped seal for a spiral sealing end, comprising a sealing ring 1, an upper sealing cover 2, an insert rod 3, a lower sealing cover 4, a fixing bolt 5, a positioning splicing groove 6, a positioning splicing block 7, a sealing wedge 8, a pad 9, an installation groove 10, a welding block 11, a sealing packing 12, an installation chamber 13 and a bolt installation groove 14. The inner wall of the sealing ring 1 is plugged and installed with an insert rod 3, the inner wall of the sealing ring 1 is provided with an installation chamber 13, and the upper and lower edges of the sealing ring 1 are provided with bolt installation grooves 14. The upper and lower edges of the sealing ring 1 are provided with a fixing bolt 14. A positioning splicing groove 6 is provided on one side of the edge, and an installation groove 10 is provided on the upper and lower ends of the inner wall of the sealing ring 1. A sealing wedge 8 is inserted and installed on the inner wall of the installation groove 10, and a gasket 9 is fixedly connected to the outer wall of the sealing wedge 8. The upper end of the sealing wedge 8 at the upper end of the inner wall of the sealing ring 1 is fixedly connected to the upper sealing cover 2, and the lower end of the sealing wedge 8 at the lower end of the inner wall of the sealing ring 1 is fixedly connected to the lower sealing cover 4. The upper sealing cover 2 and the lower sealing cover 4 are symmetrically clamped and spliced ​​with the sealing ring 1, so that the upper sealing cover 2 and the lower sealing cover 4 are clamped and installed, which is convenient for installation, filling and use.

[0022] The upper sealing cover 2 and the lower sealing cover 4 are installed in a positioning and plug-in manner with the sealing ring 1 through the positioning splicing groove 6 and the positioning splicing block 7, and the upper sealing cover 2 and the lower sealing cover 4 are fixed with the sealing ring 1 in the bolt mounting groove 14 by the fixing bolts 5. This makes it convenient for the upper sealing cover 2 and the lower sealing cover 4 to be positioned and installed quickly, and convenient for the fixing bolts 5 to be plugged and installed in the bolt mounting groove 14, with good installation efficiency. The upper sealing cover 2 and the lower sealing cover 4 are installed in a plug-in and sealed manner with the sealing ring 1 in the mounting groove 10 through the sealing wedge 8, and the sealing wedge 8 is a conical structure, and the gasket 9 is distributed in an annular shape on the outer wall of the sealing wedge 8. This makes it convenient for the upper sealing cover 2 and the lower sealing cover 4 to be plugged and sealed through the sealing wedge 8, the mounting groove 10 and the gasket 9, with good effect.

[0023] The upper sealing cover 2, the lower sealing cover 4 and the inner wall of the bolt mounting groove 14 are inserted and installed with fixing bolts 5, and the edges of one end of the upper sealing cover 2 and the lower sealing cover 4 are fixedly connected with a positioning splicing block 7, and the positioning splicing block 7 is inserted and installed with the positioning splicing groove 6. The lower end of the outer wall of the lower sealing cover 4 is fixedly connected with a welding block 11, and the welding block 11 is distributed in a ring position on the outer wall of the lower sealing cover 4, and the welding block 11 is a circular ring structure, so that the lower sealing cover 4 can be more stably welded by the welding block 11 and the installation is stable.

[0024] A sealing packing 12 is placed on the inner wall of the installation chamber 13. The sealing packing 12 is installed in a limited support manner with the installation chamber 13 through the sealing wedge 8, and the sealing packing 12 is distributed in four circles on the inner wall of the installation chamber 13. This makes it convenient for the sealing packing 12 to be limited and supported by the sealing wedge 8 to avoid deviation, and the four circles have a better sealing effect.

[0025] Working principle: When using the wedge seal for the spiral sealing end, first insert the sealing packing 12 of the device into the installation chamber 13 on the inner wall of the sealing ring 1, and then install the upper sealing cover 2 and the lower sealing cover 4 through the sealing wedge 8, the gasket 9, and the installation groove 10 with the sealing ring 1, and support the sealing packing 12 by the sealing wedge 8, and position and splice it through the positioning splicing groove 6 and the positioning splicing block 7, and then quickly insert the fixing bolt 5 into the bolt installation groove 14 for bolt fixing and installation, and then install the device by plugging and installing the insertion rod 3, and then weld the device to the equipment through the welding block 11 on the lower sealing cover 4, and then put it into operation. This is the use process of the wedge seal for the spiral sealing end.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wedge-shaped seal for a spiral sealing end, comprising a sealing ring (1), wherein an insert rod (3) is inserted and mounted on the inner wall of the sealing ring (1), characterized in that: The inner wall of the sealing ring (1) is provided with an installation chamber (13), and the upper and lower edges of the sealing ring (1) are provided with bolt installation grooves (14), one side of the upper and lower edges of the sealing ring (1) is provided with a positioning splicing groove (6), and the upper and lower ends of the inner wall of the sealing ring (1) are provided with installation grooves (10), the inner wall of the installation groove (10) is plugged with a sealing wedge (8), and the outer wall of the sealing wedge (8) is fixedly connected to a pad (9), the upper end of the sealing wedge (8) at the upper end of the inner wall of the sealing ring (1) is fixedly connected to an upper sealing cover (2), and the sealing The lower end of the sealing wedge (8) at the lower end of the inner wall of the ring (1) is fixedly connected to the lower sealing cover (4), the upper sealing cover (2), the lower sealing cover (4) and the inner wall of the bolt installation groove (14) are plugged and installed with fixing bolts (5), and the edges of one end of the upper sealing cover (2) and the lower sealing cover (4) are fixedly connected to a positioning splicing block (7), the positioning splicing block (7) is plugged and installed with the positioning splicing groove (6), the lower end of the outer wall of the lower sealing cover (4) is fixedly connected to a welding block (11), and a sealing packing (12) is placed on the inner wall of the installation chamber (13).

2. A wedge-shaped seal for a spiral sealing end according to claim 1, characterized in that: The upper sealing cover (2) and the lower sealing cover (4) are symmetrically clamped and spliced ​​with the sealing ring (1) for installation.

3. A wedge-shaped seal for a spiral sealing end according to claim 2, characterized in that: The upper sealing cover (2) and the lower sealing cover (4) are installed in a positioning and plug-in manner with the sealing ring (1) through the positioning splicing groove (6) and the positioning splicing block (7), and the upper sealing cover (2) and the lower sealing cover (4) are fixedly installed in a bolt-mounting groove (14) with the sealing ring (1) through the fixing bolts (5).

4. A wedge-shaped seal for a spiral sealing end according to claim 3, characterized in that: The upper sealing cover (2) and the lower sealing cover (4) are installed in a sealing manner with the sealing ring (1) in the installation groove (10) through the sealing wedge (8), and the sealing wedge (8) is a conical structure. The pad (9) is distributed in an annular shape around the outer wall of the sealing wedge (8).

5. A wedge-shaped seal for a spiral sealing end according to claim 4, characterized in that: The welding blocks (11) are distributed in an annular position on the outer wall of the lower sealing cover (4), and the welding blocks (11) are annular structures.

6. A wedge-shaped seal for a spiral sealing end according to claim 5, characterized in that: The sealing packing (12) is installed in a limited support manner with the installation chamber (13) through the sealing wedge (8), and the sealing packing (12) is distributed in four circles on the inner wall of the installation chamber (13).

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