Alloy sealing ring structure of pump valve

Abstract

The utility model relates to the technical field of pump valves, and discloses a pump valve alloy sealing ring structure which comprises a limiting threaded rod and a pump valve body, the outer side surface of the pump valve body is in threaded connection with a sealing device, and the limiting threaded rod is in threaded connection with the edge of the pump valve body. According to the pump valve alloy sealing ring structure, the locking threaded rod, the hexagonal nut, the sealing shell and the sealing plate are arranged, the locking threaded rod is inserted into the first connecting pipeline, the second connecting pipeline, the sealing shell and the sealing plate, and therefore the first connecting pipeline and the second connecting pipeline can be locked and fixed, and the situation that the sealing shell and the sealing plate are separated from the connecting position can be avoided; the sealing shells and the sealing plates do not need to be maintained with a lot of time, the inserting blocks slide on the edges of the sealing shells, then the nuts are rotated, the two sealing shells can be locked and fixed through the nuts, secondary locking and fixing can be conducted on the sealing shells, and therefore the sealing shells can be prevented from being separated from the first connecting pipeline and the second connecting pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of pump valves, in particular to an alloy sealing ring structure of a pump valve. Background Art

[0002] With the rapid development of social economy, valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters of the conveying medium. Valves are control components in fluid conveying systems and have functions such as cutoff, regulation, diversion, backflow prevention, pressure stabilization, diversion or overflow pressure relief.

[0003] The prior art discloses an alloy sealing ring structure for a pump valve with application number: CN202120212545.4, comprising a lower sealing ring, a groove is provided at the middle position of both sides of the upper end face of the lower sealing ring, sealing strips are fixedly installed around both sides of the upper end face of the lower sealing ring, threaded holes A are provided at both sides of the outer surface of the lower sealing ring, a threaded column is provided on the inner side of the threaded hole A, two grooves A are symmetrically provided at the middle position of the upper end face of the lower sealing ring, a spring A is fixedly installed on the bottom surface of the inner wall of the groove A, a lower sealing ring is provided at the other end of the spring A, limiting grooves are provided on both sides of the upper end face of the lower sealing ring, an upper sealing ring is provided above the lower sealing ring, a clamping block is fixedly installed at the middle position of both sides of the lower end face of the upper sealing ring, and a threaded hole B is provided on the opposite side of the outer surface of the clamping block. The utility model is easy to disassemble and assemble, has good sealing performance, and improves applicability.

[0004] The upper sealing ring and the lower sealing ring are plugged and fixed by the clamping block. When the valve pump is conveying a large flow medium, the medium flow rate is fast and the impact force is strong, which can easily cause the upper sealing ring and the lower sealing ring to separate. This situation not only affects the normal operation of the valve pump, but also requires a lot of time to repair and maintain the separated upper sealing ring and lower sealing ring to ensure the stability and safety of the valve pump. Utility Model Content

[0005] The utility model aims to provide a pump valve alloy sealing ring structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pump valve alloy sealing ring structure, comprising a limiting threaded rod and a pump valve body, the outer surface of the pump valve body being threadedly connected with a sealing device, and the limiting threaded rod being threadedly connected to the edge of the pump valve body.

[0007] The sealing device comprises a connecting pipe 1, a connecting pipe 2 and a locking device, wherein the locking device is threadedly connected to an outward end of the connecting pipe 1, and the locking device is threadedly connected to an inward end of the connecting pipe 2.

[0008] Preferably, the locking device includes a sealing plate, a sealing ring, a locking threaded rod, a hexagonal nut, a sealing housing, a plugging block, and a fixing threaded rod. The plugging block is slidably connected to the outer end of the sealing housing. The fixing threaded rod is fixedly connected to the bottom surface of the plugging block. The sealing housing is fixedly connected to the surface of the sealing plate. The sealing ring is installed at the outer end of the sealing plate. The locking threaded rod is inserted into the outer end of the sealing plate. The hexagonal nut is threadedly connected to the threaded end surface of the locking threaded rod.

[0009] Preferably, the number of the limit threaded rods is four, and the four limit threaded rods are distributed in a rectangular shape.

[0010] Preferably, the second connecting pipe is threadedly connected to the outer surface of the pump valve body and the outer end of the limit threaded rod. There is a threaded connection between the second connecting pipe and the pump valve body, and at the same time, the limit threaded rod can threadedly fix the pump valve body and the second connecting pipe.

[0011] Preferably, the second connecting pipe is installed on the inner surface of the sealing plate, and the first connecting pipe is installed on the outer surface of the sealing plate. The sealing plate is threadedly connected to the second connecting pipe and the first connecting pipe, so as to be able to seal the second connecting pipe and the first connecting pipe.

[0012] Preferably, the locking threaded rod is inserted into the outer end of the second connecting pipe and the inner end of the first connecting pipe. The locking threaded rod can threadedly fix the sealing plate, the first connecting pipe, and the second connecting pipe.

[0013] Preferably, the number of the sealing rings is two groups. The two groups of sealing rings are distributed left and right. The number of sealing rings in one group is two. The two sealing rings on the same side are distributed left and right. The sealing ring at the inner end is connected to the outer side surface of the second connecting pipe, and the sealing ring at the outer end is connected to the inner side surface of the first connecting pipe.

[0014] Preferably, the sealing housing is inserted into the outer end of the second connecting pipe, and the sealing ring is inserted into the inner end of the first connecting pipe. The sealing housing can plug and fix the second connecting pipe and the first connecting pipe, and can determine the position of the second connecting pipe.

[0015] Preferably, the number of the sealing housings is four. Two sealing housings are in one group. The two groups of sealing housings are distributed left and right. The two sealing housings on the same side are distributed up and down.

[0016] Preferably, the number of the insertion blocks is four. Two of the insertion blocks form a group. The two groups of insertion blocks are distributed left and right, and the two insertion blocks on the same side are distributed front and back. The insertion blocks are slidably connected to the front and rear ends of the sealing housing. The insertion blocks can push the fixing threaded rod downward so that the fixing threaded rod slides on the inner wall surface of the sealing housing, and the two sealing housings can be locked and fixed together.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] 1. In the pump valve alloy seal ring structure, by providing a locking threaded rod, a hexagonal nut, a sealing housing and a sealing plate, the locking threaded rod is inserted into the connecting pipe I, the connecting pipe II, the sealing housing and the sealing plate, so that the connecting pipe I and the connecting pipe II can be locked and fixed together, and it can prevent the sealing housing and the sealing plate from separating from the connection part, without spending a lot of time on repairing the sealing housing and the sealing plate, thus increasing the service life of the device.

[0019] 2. In the pump valve alloy seal ring structure, by providing an insertion block, a fixing threaded rod and a sealing housing, the insertion block slides on the edge of the sealing housing, and then the nut is rotated. The nut can lock and fix the two sealing housings together, and can perform secondary locking and fixing on the sealing housing, thereby preventing the sealing housing from separating from the connecting pipe I and the connecting pipe II. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is an overall three-dimensional schematic diagram of the present utility model;

[0021] Figure 2 is a three-dimensional schematic diagram of the sealing device of the present utility model;

[0022] Figure 3 is of the present utility model Figure 2 partial enlarged schematic diagram of the structure at A in;

[0023] Figure 4 is a side view schematic diagram of the sealing device of the present utility model;

[0024] Figure 5 is of the present utility model Figure 4 sectional schematic diagram taken along A - A in;

[0025] Figure 6 is of the present utility model Figure 5 partial enlarged schematic diagram of the structure at B in.

[0026] In the figure: 1. Sealing device; 11. First connecting pipe; 12. Second connecting pipe; 13. Locking device; 131. Sealing plate; 132. Sealing ring; 133. Locking threaded rod; 134. Hexagonal nut; 135. Sealing housing; 136. Insertion block; 137. Fixed threaded rod; 2. Limit threaded rod; 3. Pump valve body. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figures 1-6 , the present invention provides the following technical solutions:

[0029] A pump valve alloy sealing ring structure includes a limit threaded rod 2 and a pump valve body 3. The outer surface of the pump valve body 3 is threadedly connected with a sealing device 1. The limit threaded rod 2 is threadedly connected to the edge of the pump valve body 3. The number of limit threaded rods 2 is four, and the four limit threaded rods 2 are distributed in a rectangle.

[0030] The sealing device 1 includes a first connecting pipe 11, a second connecting pipe 12 and a locking device 13. The locking device 13 is threadedly connected to the outer end of the first connecting pipe 11, and the locking device 13 is threadedly connected to the inner end of the second connecting pipe 12. The second connecting pipe 12 is threadedly connected to the outer surface of the pump valve body 3, and the second connecting pipe 12 is threadedly connected to the outer end of the limit threaded rod 2. There is a threaded connection between the second connecting pipe 12 and the pump valve body 3. At the same time, the limit threaded rod 2 can threadedly fix the pump valve body 3 and the second connecting pipe 12.

[0031] The locking device 13 includes a sealing plate 131, a sealing ring 132, a locking threaded rod 133, a hexagonal nut 134, a sealing housing 135, a plugging block 136 and a fixing threaded rod 137. The plugging block 136 is slidably connected to the outer end of the sealing housing 135. The fixing threaded rod 137 is fixedly connected to the bottom surface of the plugging block 136. The number of the plugging blocks 136 is four. Two plugging blocks 136 form a group. The two groups of plugging blocks 136 are distributed left and right. The two plugging blocks 136 on the same side are distributed front and back. The plugging block 136 is slidably connected to the front and back ends of the sealing housing 135. The plugging block 136 can push the fixing threaded rod 137 to move downward, so that the fixing threaded rod 137 slides on the inner wall surface of the sealing housing 135, and the two sealing housings 135 can be locked and fixed. The sealing housing 135 is fixedly connected to the surface of the sealing plate 131. The sealing housing 135 is plugged into the outer end of the connecting pipe two 12. The sealing ring 132 is plugged into the inner end of the connecting pipe one 11. The sealing housing 135 can plug and fix the connecting pipe two 12 and the connecting pipe one 11, and the position of the connecting pipe two 12 can be determined. The number of the sealing housings 135 is four. Two sealing housings 135 form a group. The two groups of sealing housings 135 are distributed left and right. The two sealing housings 135 on the same side are distributed up and down. The connecting pipe two 12 is installed on the inner side surface of the sealing plate 131. The connecting pipe one 11 is installed on the outer side surface of the sealing plate 131. The sealing plate 131 is threadedly connected to the connecting pipe two 12 and the connecting pipe one 11, so as to be able to seal the connecting pipe two 12 and the connecting pipe one 11. The sealing ring 132 is installed at the outer end of the sealing plate 131. The number of the sealing rings 132 is two groups. The two groups of sealing rings 132 are distributed left and right. The number of one group of sealing rings 132 is two. The two sealing rings 132 on the same side are distributed left and right. The sealing ring 132 at the inner end is connected to the outer side surface of the connecting pipe two 12. The sealing ring 132 at the outer end is connected to the inner side surface of the connecting pipe one 11. The locking threaded rod 133 is plugged into the outer end of the sealing plate 131, the locking threaded rod 133 is plugged into the outer end of the connecting pipe two 12, and the locking threaded rod 133 is plugged into the inner end of the connecting pipe one 11. The locking threaded rod 133 can threadedly fix the sealing plate 131, the connecting pipe one 11 and the connecting pipe two 12. The hexagonal nut 134 is threadedly connected to the threaded end surface of the locking threaded rod 133.

[0032] During use, push the sealing ring 132 to be plugged into the front and back ends of the sealing plate 131, so that the sealing ring 132 and the sealing plate 131 can be plugged and fixed, and the position of the sealing ring 132 can be determined.

[0033] Push a set of two sealed housings 135 to move towards each other. The sealed housings 135 can drive the sealing plates 131 to move towards each other, and the sealing plates 131 can drive the sealing rings 132 to move towards each other. The outer surface of the sealing plates 131 is connected to the second connecting pipe 12, and at the same time, the inner surface of the sealing plates 131 is connected to the first connecting pipe 11.

[0034] The sealed housing 135 can push the sealing plate 131 to move. The sealing ring 132 in the sealing plate 131 is connected to the second connecting pipe 12 and the first connecting pipe 11, so that the sealed housing 135 is inserted into the connection between the second connecting pipe 12 and the first connecting pipe 11.

[0035] Push the locking threaded rod 133 to be inserted into the connection of the first connecting pipe 11, the second connecting pipe 12, the sealing plate 131 and the sealed housing 135.

[0036] Rotate the hexagonal nut 134. The hexagonal nut 134 rotates on the threaded end surface of the locking threaded rod 133, so that the second connecting pipe 12, the sealing plate 131, the sealed housing 135 and the first connecting pipe 11 can be threadedly fixed, and the second connecting pipe 12 and the first connecting pipe 11 can be preliminarily connected.

[0037] Push the insertion block 136 to move downward. The insertion block 136 can push the fixed threaded rod 137 to be inserted into the connection of the two sealed housings 135, and then rotate the nut. The nut rotates on the threaded end surface of the fixed threaded rod 137, so that the two sealed housings 135 can be locked and fixed, and thus the secondary sealing operation can be carried out.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pump valve alloy seal ring structure, comprising a limit threaded rod (2) and a pump valve body (3), characterized in that: The outer surface of the pump valve body (3) is threadedly connected with a sealing device (1), and the limit threaded rod (2) is threadedly connected to the edge of the pump valve body (3); The sealing device (1) includes a first connecting pipe (11), a second connecting pipe (12) and a locking device (13). The locking device (13) is threadedly connected to the outer end of the first connecting pipe (11), and the locking device (13) is threadedly connected to the inner end of the second connecting pipe (12).

2. The pump valve alloy seal ring structure according to claim 1, characterized in that: The locking device (13) includes a sealing plate (131), a sealing ring (132), a locking threaded rod (133), a hexagonal nut (134), a sealing housing (135), a plug-in block (136) and a fixing threaded rod (137). The plug-in block (136) is slidably connected to the outer end of the sealing housing (135), the fixing threaded rod (137) is fixedly connected to the bottom surface of the plug-in block (136), the sealing housing (135) is fixedly connected to the surface of the sealing plate (131), the sealing ring (132) is installed at the outer end of the sealing plate (131), the locking threaded rod (133) is inserted into the outer end of the sealing plate (131), and the hexagonal nut (134) is threadedly connected to the threaded end surface of the locking threaded rod (133).

3. A pump valve alloy sealing ring structure according to claim 2, characterized in that: The number of the limit threaded rods (2) is four, and the four limit threaded rods (2) are distributed in a rectangle.

4. A pump valve alloy sealing ring structure according to claim 3, characterized in that: The second connecting pipe (12) is threadedly connected to the outer surface of the pump valve body (3), and the second connecting pipe (12) is threadedly connected to the outer end of the limit threaded rod (2).

5. A pump valve alloy sealing ring structure according to claim 4, characterized in that: The second connecting pipe (12) is installed on the inner surface of the sealing plate (131), and the first connecting pipe (11) is installed on the outer surface of the sealing plate (131).

6. A pump valve alloy seal ring structure according to claim 5, characterized in that: The locking threaded rod (133) is inserted into the outer end of the second connecting pipe (12), and the locking threaded rod (133) is inserted into the inner end of the first connecting pipe (11).

7. The pump valve alloy sealing ring structure according to claim 6, characterized in that: The number of the sealing rings (132) is two groups. The two groups of sealing rings (132) are distributed left and right. The number of sealing rings (132) in one group is two, and the two sealing rings (132) on the same side are distributed left and right.

8. A pump valve alloy seal ring structure according to claim 7, characterized in that: The sealing housing (135) is inserted into the outer end of the second connecting pipe (12), and the sealing ring (132) is inserted into the inner end of the first connecting pipe (11).

9. A pump valve alloy seal ring structure according to claim 8, characterized in that: The number of the sealing housings (135) is four. Two sealing housings (135) are a group. The two groups of sealing housings (135) are distributed left and right. The two sealing housings (135) on the same side are distributed up and down.

10. A pump valve alloy seal ring structure according to claim 9, characterized in that: The number of the plug-in blocks (136) is four. Two plug-in blocks (136) are a group. The two groups of plug-in blocks (136) are distributed left and right. The two plug-in blocks (136) on the same side are distributed front and back.

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