Single-screw water-lubricated main engine star wheel structure

Abstract

The utility model relates to the technical field of air compressors, and discloses a single-screw water lubrication main machine star wheel structure which comprises a star wheel shaft and a star wheel blocking piece, a star wheel body, a star wheel piece and a star wheel fixing block are sequentially arranged on the outer side of the star wheel shaft from top to bottom, and a locking bolt is arranged between the star wheel blocking piece and the star wheel fixing block. And an adaptive block is fixedly mounted at the lower part of the star wheel separation blade. The single-screw water lubrication main machine star wheel structure is provided with the adaptive groove, the adaptive block, the fixing pin, the pin hole, the star wheel fixing block, the star wheel blocking piece and the locking bolt, the star wheel blocking piece and the star wheel body can be rapidly positioned and installed through the adaptive block and the adaptive groove, and the star wheel body and the star wheel piece can also be rapidly positioned and installed through the pin hole and the fixing pin. Meanwhile, due to the fixed connection effect of the fixing pins, the star wheel structure cannot be loosened easily due to rotating speed fluctuation, the star wheel pieces cannot deform after being stressed, dislocation abrasion and swing breakage of the star wheel body are avoided, and the use performance and the service life of the star wheel structure are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to air compressor technical field, concretely is a single screw water lubrication host star wheel structure. BACKGROUND

[0002] Single screw air compressor is an advanced air compression equipment, and the core component of single screw air compressor is single screw rotor and two symmetrical star wheels, when working, air enters the compressor host from the air inlet, the screw rotor starts to rotate under the drive of the motor, the screw rotor has helical tooth groove, when it rotates, it is like a huge helical propeller, pushes air to move along the axial direction of the screw, at the same time, the star wheel is closely engaged with the screw rotor, and the star wheel will periodically open and close the tooth groove of the screw in each rotation of the screw rotor, divides and compresses the inhaled air, and this unique structure makes the air be effectively compressed in gradually reduced space, and the pressure gradually rises, and finally high-pressure air is discharged through the air outlet.

[0003] In terms of performance, single screw air compressor has high efficiency, because its working process is relatively stable, energy loss is reduced, so it can provide stable compressed air output with lower energy consumption, and it can also output high-quality compressed air, because its internal structure is beneficial to oil-gas separation, and can effectively reduce the oil content in compressed air, which is very important for some application scenarios with high air quality requirements, such as food, medicine and electronic industry.

[0004] Most of the existing star wheels are directly fixed on the star wheel shaft with bolts, when the speed of the equipment fluctuates, the star wheel sheet will bear very strong impact force, the continuous action of this impact force can easily cause the bolts to loosen, and then seriously affect the normal running performance of the star wheel, in extreme cases, the star wheel sheet may swing due to the impact force, and finally break and damage, and the practicability is poor. SUMMARY

[0005] The utility model solves the technical problem that a single screw water lubrication host star wheel structure is provided.

[0006] The utility model adopts the technical scheme: a single screw water lubrication host star wheel structure, including star wheel shaft and star wheel baffle, the outside of star wheel shaft is sequentially provided with star wheel body, star wheel sheet and star wheel fixed block from top to bottom, the star wheel baffle is provided with locking bolt with star wheel fixed block, the lower part of star wheel baffle is fixedly installed with adaptive block, one side of star wheel body close to star wheel baffle is equipped with the adaptive groove that is adapted with adaptive block, one side of star wheel sheet close to star wheel body is fixedly installed with fixed pin, one side of star wheel body close to star wheel sheet is equipped with the pin hole that is adapted with fixed pin.

[0007] Preferably, the threaded end of the locking bolt penetrates the star wheel body and the star wheel piece and extends to the inside of the star wheel fixing block, and the locking bolt is provided with four identical ones, which are symmetrically distributed around the axis of the star wheel shaft.

[0008] Preferably, the adapter block is adapted to the adapter slot, and the adapter block and the adapter slot are connected in plug-in connection.

[0009] Preferably, the number of the fixing pins is twice that of the locking bolts, the fixing pins are symmetrically distributed on both sides of the locking bolts, the number of the fixing pins is consistent with that of the pin holes, and the fixing pins and the pin holes are connected in plug-in connection.

[0010] Through the above technical scheme, in the process of assembling the star wheel shaft and the locking bolt, the star wheel body, the star wheel piece, the star wheel fixing block are sequentially sleeved outside the star wheel shaft in sequence, the lower part of the star wheel baffle, the adapter block of the lower part of the star wheel baffle is inserted into the adapter slot of the upper part of the star wheel body, until the star wheel baffle and the star wheel body are completely attached, then the fixing pin on the star wheel piece is inserted into the pin hole of the lower part of the star wheel body, until the star wheel piece and the star wheel body are completely attached, then the locking bolt is inserted into the reserved thread on the star wheel baffle, and is locked with the star wheel fixing block, the overall design is simple, and the assembly is convenient.

[0011] Preferably, the star wheel body, the star wheel piece and the star wheel fixing block are all hollow structures, and the star wheel body, the star wheel piece and the star wheel fixing block are all connected with the star wheel shaft in nesting connection.

[0012] Through the above technical scheme, the star wheel body, the star wheel piece and the star wheel fixing block can be quickly installed, the operation difficulty is reduced, and it is ensured that the blades on the star wheel body and the star wheel piece are coincident.

[0013] Compared with the prior art, the single-screw water-lubricated host star wheel structure has the following beneficial effects: the single-screw water-lubricated host star wheel structure is provided with an adapter slot, an adapter block, a fixing pin, a pin hole, a star wheel fixing block, a star wheel baffle and a locking bolt, the star wheel baffle and the star wheel body can be quickly positioned and installed through the adapter block and the adapter slot, the star wheel body and the star wheel piece can also be quickly positioned and installed through the pin hole and the fixing pin, and due to the fixing pin, the fixed connection effect will not easily cause the loosening of the star wheel structure due to speed fluctuation, and will not cause the deformation of the star wheel piece after being stressed, the dislocation wear and tear and swinging breakage of the star wheel body, and ensures the service performance and the service life of the star wheel structure. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is a split structure schematic diagram of the utility model Figure One ;

[0016] Figure 3 This is a schematic diagram of the disassembled structure of this utility model. Figure Two ;

[0017] Figure 4 This is a schematic diagram of the disassembled structure of this utility model. Figure Three ;

[0018] Figure 5 This is a top view of the structure of this utility model.

[0019] The components are: 1. Star wheel shaft; 2. Star wheel body; 3. Star wheel plate; 4. Locking bolt; 5. Adapter groove; 6. Adapter block; 7. Star wheel fixing block; 8. Fixing pin; 9. Pin hole; 10. Star wheel baffle. Detailed Implementation

[0020] 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.

[0021] Example 1: As Figures 1-5 As shown, the present invention provides a star wheel structure for a single-screw water-lubricated main unit, including a star wheel shaft 1 and a star wheel baffle 10. From top to bottom, a star wheel body 2, a star wheel plate 3, and a star wheel fixing block 7 are arranged on the outer side of the star wheel shaft 1. A locking bolt 4 is provided between the star wheel baffle 10 and the star wheel fixing block 7. An adapter block 6 is fixedly installed on the lower part of the star wheel baffle 10. An adapter groove 5 that matches the adapter block 6 is opened on the side of the star wheel body 2 near the star wheel baffle 10. A fixing pin 8 is fixedly installed on the side of the star wheel plate 3 near the star wheel body 2. A pin hole 9 that matches the fixing pin 8 is opened on the side of the star wheel body 2 near the star wheel plate 3.

[0022] Specifically, the threaded end of the locking bolt 4 penetrates the star wheel body 2 and the star wheel piece 3 and extends to the inside of the star wheel fixed block 7, the locking bolt 4 is provided with the same four, the four locking bolts 4 are symmetrically distributed around the axis of the star wheel shaft 1, the adapter block 6 is adapted to the adapter slot 5, the adapter block 6 and the adapter slot 5 are connected by inserting, the number of the fixing pin 8 is twice that of the locking bolt 4, the fixing pin 8 is symmetrically distributed on both sides of the locking bolt 4, the number of the fixing pin 8 and the pin hole 9 is consistent, the fixing pin 8 and the pin hole 9 are connected by inserting, the advantage is that in the process of assembling the star wheel shaft 1 and the locking bolt 4, the star wheel body 2, the star wheel piece 3 and the star wheel fixed block 7 are sequentially sleeved on the outside of the star wheel shaft 1 in order, the lower part of the star wheel baffle 10, the adapter block 6 of the lower part of the star wheel baffle 10 is aligned with the adapter slot 5 on the upper part of the star wheel body 2 and is inserted, until the star wheel baffle 10 and the star wheel body 2 are completely attached, then the fixing pin 8 on the star wheel piece 3 is aligned with the pin hole 9 on the lower part of the star wheel body 2 and is inserted, until the star wheel piece 3 and the star wheel body 2 are completely attached, then the locking bolt 4 is inserted into the reserved thread on the star wheel baffle 10 and is locked with the star wheel fixed block 7, the overall design is simple and the assembly is convenient.

[0023] Embodiment two: as shown in the following table, as an improvement of the previous embodiment. Figures 2-5

[0024] Specifically, the middle of the star wheel body 2, the star wheel piece 3 and the star wheel fixed block 7 is a hollow structure, the star wheel body 2, the star wheel piece 3 and the star wheel fixed block 7 are all connected with the star wheel shaft 1 by nesting, the advantage is that the installation of the star wheel body 2, the star wheel piece 3 and the star wheel fixed block 7 can be quickly realized, the operation difficulty is reduced, and the coincidence of the blades on the star wheel body 2 and the star wheel piece 3 is ensured

[0025] Working principle: in the process of assembling, the star wheel body 2, the star wheel piece 3 and the star wheel fixed block 7 are sequentially sleeved on the outside of the star wheel shaft 1 in order, the lower part of the star wheel baffle 10, the adapter block 6 of the lower part of the star wheel baffle 10 is aligned with the adapter slot 5 on the upper part of the star wheel body 2 and is inserted, until the star wheel baffle 10 and the star wheel body 2 are completely attached, then the fixing pin 8 on the star wheel piece 3 is aligned with the pin hole 9 on the lower part of the star wheel body 2 and is inserted, until the star wheel piece 3 and the star wheel body 2 are completely attached, then the locking bolt 4 is inserted into the reserved thread on the star wheel baffle 10 and is locked with the star wheel fixed block 7, the overall design is simple and the assembly is convenient, due to the fixing pin 8, the fixed connection will not easily cause the star wheel structure to loosen due to speed fluctuation, will not cause the star wheel piece 3 to deform and dislocate and wear and swing and break due to stress, and the service performance and life of the star wheel structure are ensured.

[0026] ​Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A single screw water lubricated main engine star wheel structure comprising a star wheel shaft (1) and a star wheel baffle (10), characterized in that: The outer side of the star wheel shaft (1) is sequentially provided with a star wheel body (2), a star wheel piece (3) and a star wheel fixed block (7) from top to bottom, a locking bolt (4) is arranged between the star wheel baffle (10) and the star wheel fixed block (7), the lower part of the star wheel baffle (10) is fixedly provided with an adaptive block (6), one side of the star wheel body (2) close to the star wheel baffle (10) is provided with an adaptive groove (5) matched with the adaptive block (6), one side of the star wheel piece (3) close to the star wheel body (2) is fixedly provided with a fixed pin (8), and one side of the star wheel body (2) close to the star wheel piece (3) is provided with a pin hole (9) matched with the fixed pin (8).

2. A single screw water lubricated master star wheel structure according to claim 1, characterized in that: The threaded end of the locking bolt (4) penetrates the star wheel body (2) and the star wheel piece (3) and extends to the inside of the star wheel fixed block (7), the locking bolt (4) is provided with four same locking bolts (4), and the four locking bolts (4) are symmetrically distributed around the axis of the star wheel shaft (1).

3. A single screw water lubricated master star wheel structure according to claim 1, characterized in that: The adaptive block (6) is matched with the adaptive groove (5), and the adaptive block (6) and the adaptive groove (5) are connected in plug-in connection.

4. A single screw water lubricated host starwheel structure according to claim 1, characterized in that: The number of the fixed pin (8) is twice that of the locking bolt (4), the fixed pin (8) is symmetrically distributed on both sides of the locking bolt (4), the number of the fixed pin (8) is consistent with that of the pin hole (9), and the fixed pin (8) and the pin hole (9) are connected in plug-in connection.

5. A single screw water lubricated host starwheel structure according to claim 1, characterized in that: The middle of the star wheel body (2), the star wheel piece (3) and the star wheel fixed block (7) is a hollow structure, and the star wheel body (2), the star wheel piece (3) and the star wheel fixed block (7) are connected with the star wheel shaft (1) in nesting connection.

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