Double-screw pump rotor structure

Abstract

The utility model discloses a double-screw pump rotor structure which comprises a rotor structure body, the rotor structure body comprises a rotating shaft, threaded conveying blades are fixed to the outer surface of the rotating shaft, a gear is fixed to one end of the rotating shaft, and a drainage lubricating mechanism is further arranged on the rotor structure body. By designing a drainage lubricating mechanism, when two rotor structure main bodies rotate after being installed and two gears are engaged to drive two rotating shafts to rotate, lubricating oil is injected into an oil storage box, then the oil storage box rotates to the bottom end and enters a material guiding channel through a through hole, and then oil injection lubricating cotton is drained through the material guiding channel to be immersed in the lubricating oil; the two gears extrude the surface of the oil injection lubricating cotton to perform oil outlet lubricating treatment when rotating in a meshed mode, friction is reduced, a distance is not prone to being generated, and the convenience of oil injection lubricating of the gears is improved when the rotor structure body is installed in the double-screw pump for use.

Description

Technical Field

[0001] This utility model belongs to the technical field of double helical pump rotor structure, specifically relating to a double helical pump rotor structure. Background Technology

[0002] The twin-helix pump is a positive displacement rotor pump, which has the characteristics of smooth flow, low pulsating pressure, good self-priming ability, low noise, high efficiency and long service life. When driving the twin-helix pump, a pair of rotor structures need to be installed inside for threaded delivery. The existing rotor structure is the component installed inside the twin-helix pump for threaded delivery, and this rotor structure is the main component inside the twin-helix pump, which facilitates installation and stable spiral delivery operation.

[0003] When the existing rotor structure is installed inside the twin-helix pump, it is directly closed at the installation position. The gears are installed inside the gear installation operation, meshing with the gears of the two rotors. After installation, when the rotor rotates for a long time and the two gears are frequently meshed, a certain amount of friction is easily generated. It is not convenient to lubricate the gears, which can easily cause damage to the gears due to friction, resulting in gaps at the meshing points and reducing the rotor's rotation efficiency. This affects the convenience of lubricating the gears when the rotor is installed inside the twin-helix pump. Therefore, this utility model proposes a twin-helix pump rotor structure. Utility Model Content

[0004] The purpose of this utility model is to provide a double helical pump rotor structure to solve the problem mentioned in the background art that when the rotor structure is installed inside the double helical pump, the gears of the two rotors are meshed and installed. After installation, when the rotor rotates for a long time, the frequent meshing and rotation of the two gears will easily generate a certain amount of friction, making it difficult to lubricate the gears. This can easily cause the gears to be damaged by friction, resulting in a gap at the meshing point and reducing the rotor's rotation efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a double-helix pump rotor structure, comprising a rotor structure body, the rotor structure body including a rotating shaft, a threaded conveying vane fixed on the outer surface of the rotating shaft, a gear fixed at one end of the rotating shaft, and the rotor structure body further comprising:

[0006] A lubrication mechanism is provided, and the lubrication mechanism includes an oil storage component fixed on the surface of the gear, a lubrication component is provided at the connection between the inner surface of the oil storage component and the inside of the gear, and an oil injection lubrication component is provided at the end of the lubrication component located at the edge of the outer surface of the gear.

[0007] A reinforcement installation mechanism, comprising a screw-in adjustment assembly disposed at both ends of a rotating shaft, wherein compression reinforcement assemblies are disposed on both sides of the screw-in adjustment assembly on the end surfaces of the rotating shaft.

[0008] Preferably, the oil storage assembly includes an oil storage box welded and fixed to the surface of the gear, the outer surface of the oil storage box is provided with an oil inlet, and the end of the oil inlet is threaded with a sealing cap.

[0009] Preferably, the flow-guiding assembly includes a through hole at the inner edge of the oil storage box, a material guiding channel is provided at the inner edge of the gear, and the end of the material guiding channel and the end of the through hole are sealed and fixed by a sealing gasket.

[0010] Preferably, the through hole is connected to the interior of the oil storage box, and the feed channel is connected to the interior of the oil storage box through the through hole.

[0011] Preferably, the oil lubrication assembly includes a mounting hole at the bottom end of the feed channel located at the edge of the gear, and an oil lubrication cotton is tightly installed inside the mounting hole by an elastic sheet.

[0012] Preferably, the screw-in adjustment assembly includes an adjustment groove located at the midpoint between the two ends of the rotating shaft. Both sides of the adjustment groove have internal threaded holes, and a threaded rod is rotated through the internal thread of the internal threaded hole.

[0013] Preferably, the extrusion reinforcement assembly includes a limiting groove located inside the rotating shaft at the end of the internal threaded hole, the limiting groove having a limiting extrusion clamp inside, and the end of the threaded rod being fixed to the tail end of the limiting extrusion clamp by welding.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] By designing a lubrication diversion mechanism, when the two rotor structures are installed and rotating, the meshing of the two gears drives the two shafts to rotate. After the oil is injected into the oil reservoir, it rotates to the bottom and then enters the feed channel through the through hole. The feed channel then diverts the oil to immerse the lubricating cotton in lubricating oil. This allows the two gears to press against the surface of the lubricating cotton when they mesh and rotate, thus providing lubrication. This reduces friction and prevents gaps from forming, improving the convenience of gear lubrication when the rotor structure is installed inside the twin-spiral pump. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This utility model Figure 1 Enlarged structural diagram of section A;

[0018] Figure 3 This is a partial cross-sectional view of the gear and shaft of this utility model.

[0019] Figure 4 This utility model Figure 3 Enlarged structural diagram of section B;

[0020] Figure 5 This is a partial cross-sectional view of the adjusting groove and rotating shaft of this utility model;

[0021] Figure 6 This utility model Figure 5 Enlarged structural diagram of section C;

[0022] In the diagram: 100, main rotor structure; 101, rotating shaft; 1011, limiting and pressing clamp; 1012, adjusting groove; 1013, threaded rod; 1014, limiting groove; 1015, internal threaded hole; 102, threaded conveying blade; 103, gear; 1031, oil reservoir; 1032, oil inlet; 1033, oil-lubricating cotton; 1034, through hole; 1035, material feeding channel; 1036, mounting hole. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1 to 6 This utility model provides a technical solution: a double helical pump rotor structure, including a rotor structure body 100, the rotor structure body 100 including a rotating shaft 101, a threaded conveying vane 102 fixed on the outer surface of the rotating shaft 101, a gear 103 fixed at one end of the rotating shaft 101, and the rotor structure body 100 also being provided with:

[0025] The lubrication mechanism includes an oil storage component fixed to the surface of the gear 103. A lubrication component is provided at the connection between the inner surface of the oil storage component and the inside of the gear 103. An oil injection lubrication component is provided at the end of the lubrication component located at the edge of the outer surface of the gear 103. After the two rotor structure bodies 100 are installed, when the two gears 103 are meshed and driven, the lubrication mechanism injects oil into the surface of the gears 103 to lubricate and drive them, thereby reducing friction and making it less likely for a gap to form between the two gears 103.

[0026] In order to facilitate the storage and lubrication of lubricating oil through the oil storage assembly, in this embodiment, preferably, the oil storage assembly includes an oil storage box 1031 welded and fixed to the surface of the gear 103. The outer surface of the oil storage box 1031 is provided with an oil inlet 1032. A sealing cap is threadedly rotated at the end of the oil inlet 1032. Oil can be injected into the interior of the oil storage box 1031 through the oil inlet 1032 for storage. The sealing cap is then rotated to seal and preserve the oil inlet 1032.

[0027] In order to facilitate the flow of lubricating oil from the oil reservoir 1031 into the lubricating cotton 1033 via the flow-guiding assembly, thus enabling oil lubrication, in this embodiment, preferably, the flow-guiding assembly includes a through hole 1034 at the inner edge of the oil reservoir 1031, and a feed channel 1035 at the inner edge of the gear 103. The end of the feed channel 1035 is sealed and fixed to the end of the through hole 1034 by a sealing gasket. After the oil reservoir 1031 is filled with oil, when it is rotated to the bottom, the oil can enter the feed channel 1035 through the through hole 1034 and then be guided to the bottom for oil immersion treatment again through the feed channel 1035.

[0028] To facilitate lubrication of the two gears 103 during meshing rotation using the lubrication assembly, in this embodiment, preferably, the lubrication assembly includes a mounting hole 1036 located at the bottom of the feed channel 1035 at the edge of the gear 103. An oil-lubricating cotton 1033 is tightly fitted inside the mounting hole 1036 by an elastic sheet. After the oil-lubricating cotton 1033 is fixedly installed inside the mounting hole 1036, lubricating oil is introduced into the bottom of the feed channel 1035, facilitating the extrusion of oil from the oil-lubricating cotton 1033 during meshing rotation of the two gears 103.

[0029] The reinforcement installation mechanism includes a screw-in adjustment assembly at both ends of the rotating shaft 101. The screw-in adjustment assembly has compression reinforcement assemblies on both sides of the end surface of the rotating shaft 101. After the rotor structure body 100 is installed and the end of the rotating shaft 101 is installed inside the double-threaded pump housing through the bearing, the reinforcement installation mechanism can compress and reinforce the end of the rotating shaft 101 and the inner ring surface of the bearing, making the rotation operation more stable.

[0030] In order to facilitate the adjustment and reinforcement of the limiting compression clamp 1011 by means of the screw-in adjustment assembly, in this embodiment, preferably, the screw-in adjustment assembly includes an adjustment groove 1012 opened at the middle position of both ends of the rotating shaft 101. Both sides of the adjustment groove 1012 are provided with internal threaded holes 1015. The internal threaded holes 1015 have a threaded rod 1013 that rotates inside. A wrench can be inserted into the adjustment groove 1012 and engaged at the end of the threaded rod 1013, so that the threaded rod 1013 can be rotated and adjusted inside the internal threaded holes 1015.

[0031] To facilitate the compression reinforcement installation of the shaft 101 to the inner ring surface of the bearing after installation, in this embodiment, preferably, the compression reinforcement assembly includes a limiting groove 1014 located inside the shaft 101 at the end of the internal threaded hole 1015. A limiting compression clamp 1011 is limited inside the limiting groove 1014, and the end of the threaded rod 1013 is fixed to the tail end of the limiting compression clamp 1011 by welding. The threaded rod 1013 can be screwed in and adjusted to drive the limiting compression clamp 1011 to move and adjust within the limiting groove 1014 for compression reinforcement installation.

[0032] The working principle and usage process of this utility model: Before use, the rotor structure of this double helical pump is first installed. The end of the rotating shaft 101 can be closed in the installation position inside the double helical pump housing and installed by bearing. During installation, the gear 103 is closed in the installation groove and the gears 103 at the ends of the two rotating shafts 101 are meshed and installed, thereby facilitating the installation of the rotor structure body 100 inside the double helical pump for driving.

[0033] Then, when the rotor structure body 100 is installed, the end of the rotating shaft 101 is installed inside the double helical pump housing through the bearing. After the end of the rotating shaft 101 is engaged in the inner ring of the bearing, the wrench can be inserted into the adjustment groove 1012 and engaged in the end of the threaded rod 1013 to drive the threaded rod 1013 to rotate. When the threaded rod 1013 is rotated inside the internal threaded hole 1015, it drives the limiting compression clamp 1011 to move in the limiting groove 1014 to limit the movement. This makes it easy to press and reinforce the end of the limiting compression clamp 1011 on the inner surface of the bearing inner ring, which makes it easy to strengthen and fix the rotating shaft 101. After installation, it is not easy to cause the end of the rotating shaft 101 to grind against the inner surface of the bearing during long-term rotation operation. The reinforced installation stabilizes the rotation operation and improves the strengthening fixation and rotation stability of the rotor structure body 100 installed inside the double helical pump.

[0034] Finally, when the two rotor structure bodies 100 are installed and rotating, lubricating oil can be introduced into the oil storage box 1031 through the oil inlet 1032. When the two gears 103 mesh and drive the two shafts 101 to rotate, lubricating oil can be injected into the oil storage box 1031 and rotated to the bottom. The lubricating oil then enters the feed channel 1035 through the through hole 1034. The lubricating oil is then introduced into the lubricating cotton 1033 through the feed channel 1035. When the two gears 103 mesh and rotate, they are pressed against the surface of the lubricating cotton 1033 to lubricate it. This reduces friction and prevents gaps from forming, improving the convenience of lubricating the gears 103 when the rotor structure body 100 is installed inside the twin spiral pump.

[0035] Although embodiments of the present invention have been shown and described (see the detailed description above), it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A double-helix pump rotor structure, comprising a rotor structure body (100), the rotor structure body (100) including a rotating shaft (101), a threaded conveying vane (102) fixed on the outer surface of the rotating shaft (101), and a gear (103) fixed at one end of the rotating shaft (101), characterized in that: The rotor structure body (100) is also provided with: The lubrication mechanism includes an oil storage component fixed on the surface of the gear (103), a lubrication component is provided at the connection between the inner surface of the oil storage component and the inside of the gear (103), and an oil injection lubrication component is provided at the end of the lubrication component located at the edge of the outer surface of the gear (103). The reinforcement installation mechanism includes a screw-in adjustment assembly disposed at both ends of the rotating shaft (101), wherein the screw-in adjustment assembly has a compression reinforcement assembly disposed on both sides of the end surface of the rotating shaft (101).

2. The double-helix pump rotor structure according to claim 1, characterized in that: The oil storage assembly includes an oil storage box (1031) welded and fixed to the surface of the gear (103). The outer surface of the oil storage box (1031) is provided with an oil inlet (1032), and the end of the oil inlet (1032) is threaded with a sealing cap.

3. The double-helix pump rotor structure according to claim 2, characterized in that: The drainage assembly includes a through hole (1034) at the inner edge of the oil storage box (1031), and a material channel (1035) is provided at the inner edge of the gear (103). The end of the material channel (1035) and the end of the through hole (1034) are sealed and fixed by a sealing gasket.

4. The double-helix pump rotor structure according to claim 3, characterized in that: The through hole (1034) is connected to the interior of the oil storage box (1031), and the feed channel (1035) is connected to the interior of the oil storage box (1031) through the through hole (1034).

5. The double-helix pump rotor structure according to claim 3, characterized in that: The oil lubrication assembly includes a mounting hole (1036) at the bottom of the feed channel (1035) located at the edge of the gear (103), and an oil lubrication cotton (1033) is tightly installed inside the mounting hole (1036) by an elastic sheet.

6. The double-helix pump rotor structure according to claim 1, characterized in that: The advance adjustment assembly includes an adjustment groove (1012) located at the middle position of both ends of the rotating shaft (101). The adjustment groove (1012) has internal threaded holes (1015) on both sides. The internal threaded holes (1015) have threaded rods (1013) rotating inside them.

7. The double-helix pump rotor structure according to claim 6, characterized in that: The compression reinforcement assembly includes a limiting groove (1014) located inside the rotating shaft (101) at the end of the internal threaded hole (1015). The limiting groove (1014) contains a limiting compression clamp (1011), and the end of the threaded rod (1013) is fixed to the tail end of the limiting compression clamp (1011) by welding.

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