Middle split type packing gland device for water pump shaft

Abstract

The utility model discloses a split type packing gland device for a water pump shaft, which is arranged in a packing box and comprises a first gland main body, a second gland main body and a third gland main body, one side of the first gland main body sinks inwards to form a first groove with a semicircular cross section, and semi-closed connecting hole channels are symmetrically formed in two sides of one end of the first groove; one side of the second gland body sinks inwards to form a second groove with a semicircular cross section, and inner end threaded holes corresponding to the connecting hole channels are formed in the two sides of one end of the second groove; wherein the first gland main body and the second gland main body are detachably connected to form the gland main body, and the first groove and the second groove are spliced to form a gland through hole in the middle of the gland main body; and the first gland main body and the second gland main body are arranged in a mirror symmetry manner after being connected. The packing gland device is convenient to replace and disassemble, time-saving and labor-saving, simple in structure, easy to operate, safe, reliable and convenient for large-scale popularization and application.

Description

Technical Field

[0001] This utility model relates to the field of water pump sealing technology, and in particular to a split-type packing gland device for water pump shafts. Background Technology

[0002] Water pumps are prone to leakage at the dynamic and static seals when rotating. A common solution is to fill the packing box with sealing material and then press the packing tightly against the rotating pump shaft using packing glands, thus reducing leakage at the dynamic and static seals. For example... Figure 1 As shown, the gland is typically a single-piece design, allowing the pump shaft to pass through the gland's through-hole and rotate freely. Fastening bolts pass through the fastening bolt holes in the packing gland; tightening these bolts secures the packing, thus achieving a seal at both the moving and stationary points.

[0003] In actual operation of water pumps, problems may arise where the packing gland needs repair. This usually requires disassembling and replacing the entire pump, which is time-consuming and labor-intensive. This application aims to develop a packing gland that enables time- and labor-saving gland repair. Utility Model Content

[0004] The technical problem this application aims to solve is that in the prior art, when the packing gland of a water pump is damaged and needs repair, it is necessary to disassemble all other parts of the water pump and replace the gland, which is time-consuming and labor-intensive.

[0005] To address the aforementioned technical problems, this application provides a split-type packing gland device for a water pump shaft, disposed within a packing box, comprising: a first gland body, one side of which is recessed inward to form a first groove with a semi-circular cross-section, and semi-closed connecting channels symmetrically formed on both sides of one end of the first groove; a second gland body, one side of which is recessed inward to form a second groove with a semi-circular cross-section, and internal threaded holes corresponding to the connecting channels formed on both sides of one end of the second groove; wherein, the first and second gland bodies are detachably connected to form a gland body, and the first and second grooves are joined to form a gland through hole in the middle of the gland body; the second gland body is mirror-symmetrically arranged after the first and second gland bodies are connected.

[0006] According to an embodiment of this application, the main body of the granite is a cylindrical body.

[0007] According to an embodiment of this application, the first and second gland bodies are connected by a fastener, which is a connecting screw, and the inner end of the connecting screw is screwed into an inner threaded hole.

[0008] According to an embodiment of this application, the outer end of the connecting screw is recessed into the mounting hole of the connecting channel, and the outer end face of the connecting screw is located inside the outer peripheral surface of the gland body.

[0009] According to an embodiment of this application, a first pressure plate is provided on the top of the first gland body extending outward, and the first pressure plate is provided with a gland fastening bolt hole.

[0010] According to an embodiment of this application, the second gland body has a second pressure plate extending outward from the top, and the second pressure plate has a gland fastening bolt hole.

[0011] According to an embodiment of this application, the packing box includes a housing and a gland body and packing assembled within the housing.

[0012] According to an embodiment of this application, the packing is rubber packing.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] 1. The main body of the gland in this application is formed by two half-glanders that are interlocked and detachably connected. The two half-glanders are assembled into a column with a cylindrical outer wall. It can be seen that the packing gland device provided by this utility model embodiment can conveniently and quickly replace the packing without carrying additional auxiliary fixing components, thus improving the efficiency of packing gland replacement and maintenance.

[0015] 2. This design adopts a split design, which avoids disassembling the water pump and only requires replacing the packing gland, thus saving time and effort.

[0016] 3. The packing gland device provided by this utility model not only has the function of preventing leakage, but also has a simple structure, is easy to operate, is safe and reliable, and is easy to promote and apply on a large scale. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings of the embodiments will be briefly described below. Obviously, the drawings described below only relate to some embodiments of this application, and are not intended to limit this application.

[0018] Figure 1 This is a schematic diagram of the top view of a glancing device in the prior art;

[0019] Figure 2 This is a schematic diagram of the structure of the main body of the prism as an example of this utility model;

[0020] Figure 3 A schematic diagram of one side of the second granite body in this utility model example.

[0021] The annotations in the attached figures are explained as follows:

[0022] 11. Second gland body, 12. First gland body, 13. Gland through hole, 111. Second groove, 112. Inner end threaded hole, 121. First groove, 122. Connecting channel, 1221. Connecting screw. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the described embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0024] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application pertains. The terms “first,” “second,” and similar terms used in the specification and claims of this patent application do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an” or “a,” and similar terms, do not indicate a limitation of quantity, but rather indicate the presence of at least one.

[0025] according to Figure 2 and Figure 3 As shown, this utility model provides a split-type packing gland device for a water pump shaft. It has a vertical split structure and includes a first gland body and a second gland body that are interlocked to form a gland body. The two are detachably installed to form a whole, which allows the water pump shaft to pass through the packing box without disassembling other parts of the water pump. The connected packing gland can be installed and adjusted like a conventional packing gland.

[0026] In this embodiment, the first gland body has a first groove with a semi-circular cross-section formed by one side being recessed inward, and semi-closed connecting channels are symmetrically opened on both sides of one end of the first groove; the second gland body has a second groove with a semi-circular cross-section formed by one side being recessed inward, and internal threaded holes corresponding to the connecting channels are opened on both sides of one end of the second groove.

[0027] Specifically, the first and second gland bodies are detachably connected to form the gland body. The first and second grooves are joined to form a gland through hole in the middle of the gland body. The gland through hole is circular and is used for the water pump shaft to pass through. The second gland body is arranged in a mirror-symmetrical manner after the first and second gland bodies are connected. This embodiment of the utility model uses two identical sub-gland bodies to dock together to form a gland body that is mounted on the packing, so that the packing is placed stably and the packing gland is easy to disassemble and replace.

[0028] Specifically, the semi-enclosed connection channel is formed by the inward indentation of the outer wall of the first gland body, which facilitates the insertion of connectors such as screws.

[0029] Specifically, the main body of the granite is cylindrical, and generally, the shape of the main body of the granite is adapted to the shape of the packing box.

[0030] Specifically, the first and second gland bodies can be connected by fasteners, specifically connecting screws, with the inner end of the connecting screw screwed into an inner threaded hole. The outer end of the connecting screw is recessed into the mounting hole of the connecting channel, with the outer end face of the connecting screw located inside the outer circumferential surface of the gland body.

[0031] Specifically, the first gland body has a first pressure plate extending outward from the top, and the first pressure plate has a gland fastening bolt hole; the second gland body has a second pressure plate extending outward from the top, and the second pressure plate also has a gland fastening bolt hole, that is, the gland body has symmetrical gland fastening bolt holes on both sides of the top.

[0032] Specifically, the packing box includes a housing and a gland body and packing assembled within the housing. The packing is rubber packing.

[0033] In summary, the technical solution of this application has the following beneficial effects:

[0034] 1. The main body of the gland in this application is formed by two half-glanders that are interlocked and detachably connected. The two half-glanders are assembled into a column with a cylindrical outer wall. It can be seen that the packing gland device provided by this utility model embodiment can conveniently and quickly replace the packing without carrying additional auxiliary fixing components, thus improving the efficiency of packing gland replacement and maintenance.

[0035] 2. This design adopts a split design, which avoids disassembling the water pump and only requires replacing the packing gland, thus saving time and effort.

[0036] 3. The packing gland device provided by this utility model not only has the function of preventing leakage, but also has a simple structure, is easy to operate, is safe and reliable, and is easy to promote and apply on a large scale.

[0037] The above are merely exemplary embodiments of this application and are not intended to limit the scope of protection of this application, which is determined by the appended claims.

Claims

1. A split-type packing gland assembly for a water pump shaft, disposed within a packing box, characterized in that, include: The first granite body has a recessed side forming a semi-circular groove, and semi-closed connecting channels are symmetrically opened on both sides of one end of the first groove. The second grate body has a second groove with a semi-circular cross-section formed by an inward indentation on one side. The two sides of one end of the second groove are provided with internal threaded holes corresponding to the connecting channel. The first and second granite bodies are detachably connected to form the granite body, and the first and second grooves are spliced ​​together to form the granite through hole in the middle of the granite body; the second granite body is arranged in a mirror-symmetric manner after the first and second granite bodies are connected.

2. A split-type packing gland assembly for a water pump shaft according to claim 1, characterized in that, The main body of the granite is a cylindrical body.

3. A split-type packing gland assembly for a water pump shaft according to claim 1, characterized in that, The first and second gland bodies are connected by a fastener, which is a connecting screw, and the inner end of the connecting screw is screwed into an inner threaded hole.

4. A split-type packing gland device for a water pump shaft according to claim 3, characterized in that, The outer end of the connecting screw is recessed into the mounting hole of the connecting channel, and the outer end face of the connecting screw is located inside the outer peripheral surface of the gland body.

5. A split-type packing gland assembly for a water pump shaft according to claim 1, characterized in that, The first gland body has a first pressure plate extending outward from the top, and the first pressure plate has a gland fastening bolt hole.

6. A split-type packing gland assembly for a water pump shaft according to claim 1, characterized in that, The second gland body has a second pressure plate extending outward from the top, and the second pressure plate has a gland fastening bolt hole.

7. A split-type packing gland assembly for a water pump shaft according to claim 1, characterized in that, The packing box includes a housing and the gland body and packing assembled within the housing.

8. A split-type packing gland assembly for a water pump shaft according to claim 7, characterized in that, The packing is rubber packing.

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