Rotor with unexposed pins and bolts and rotor pump

Abstract

The utility model discloses a rotor with unexposed pin bolts, which comprises a rotor core, a pair of rotor sleeves and six pin bolts, the pair of rotor sleeves are symmetrically arranged on two sides of the rotor core, any rotor sleeve is fixed on the rotor core through three pin bolts, and the three pin bolts on the pair of rotor sleeves are oppositely arranged; three sinking grooves are formed in the surface of any rotor sleeve, and the pin bolts are located in the sinking grooves and do not protrude out of the surfaces of the rotor sleeves. The external thread is formed in the side wall of the head end of any pin bolt; the inner wall of any one of the six caps is provided with an internal thread, and any one of the caps is connected to any one of the pin bolts through the internal thread and the external thread and attached to the inner wall of the sinking groove to cover the pin bolts. The nut cap is arranged on the outer surface of the pin bolt, and the nut cap is attached to the rotor sleeve, so that the pin bolt can be well covered, the pin bolt does not make contact with materials and is prevented from hiding dirt, and the conveying requirement of food-grade materials is met.

Description

Technical Field

[0001] The utility model relates to the technical field of rotors, in particular to a rotor and a rotor pump whose pin bolts are not exposed. Background Art

[0002] When using a rotor pump to transport some materials, in order to prevent the rotor core from contacting the material and damaging the rotor core, the rotor sleeve is fixed to the rotor core with pin bolts to prevent the surface of the rotor core from contacting the material. However, the pin bolts are still exposed to the outside, which can easily harbor dirt and grime. This does not meet the transportation requirements of some food-grade materials. Therefore, a rotor with no exposed pin bolts is designed. Summary of the invention

[0003] According to an embodiment of the utility model, a rotor with pin bolts not exposed is provided, comprising: a rotor core, a pair of rotor sleeves, and six pin bolts, wherein the pair of rotor sleeves are symmetrically arranged on both sides of the rotor core, and any rotor sleeve is fixed to the rotor core by three pin bolts, and the three pin bolts on the pair of rotor sleeves are arranged oppositely; the surface of any rotor sleeve is provided with three recessed grooves, and the pin bolts are located in the recessed grooves and do not protrude from the surface of the rotor sleeve; and further comprising:

[0004] External thread, which is provided on the side wall of the head end of any pin bolt;

[0005] Six caps, each cap has an inner thread on its inner wall, and each cap is connected to each pin bolt through the inner thread and the outer thread, and is fitted with the inner wall of the sink to cover the pin bolt.

[0006] Furthermore, the cover cap and the rotor sleeve are made of the same material.

[0007] Furthermore, the cover cap and the rotor sleeve are made of polytetrafluoroethylene.

[0008] Furthermore, three positioning protrusions are provided on both sides of the rotor core, and three positioning grooves are provided on the rotor sleeve, and the shapes of the positioning protrusions match those of the positioning grooves.

[0009] Furthermore, the positioning protrusion and the rotor core are formed integrally.

[0010] Furthermore, three positioning pins are provided on both sides of the rotor core, and three positioning holes are provided on the rotor sleeve, and the shapes of the positioning pins match those of the positioning holes.

[0011] According to another embodiment of the utility model, a rotor pump is provided, comprising a rotor of the previous embodiment with pin bolts not exposed.

[0012] According to an embodiment of the utility model, a rotor with a pin bolt not exposed is provided with a cover cap on the outer surface of the pin bolt, and the cover cap fits with the rotor sleeve, so that the pin bolt can be well covered, so that the pin bolt does not contact the material, and dirt is prevented from being hidden, which meets the transportation requirements of food-grade materials.

[0013] It is to be understood that both the foregoing general description and the following detailed description are exemplary, and are intended to provide further explanation of the technology as claimed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of a rotor with non-exposed pin bolts according to an embodiment of the utility model.

[0015] Figure 2 The figure is a schematic cross-sectional structural diagram of a rotor with non-exposed pin bolts according to an embodiment of the utility model.

[0016] Figure 3 It is a schematic diagram of the exploded cross-sectional structure of a rotor with no exposed pin bolts according to an embodiment of the utility model. DETAILED DESCRIPTION

[0017] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings to further illustrate the present invention.

[0018] First, combine Figures 1 to 3 A rotor with non-exposed pin bolts according to an embodiment of the utility model is described, which is used for being installed on a rotor pump for material transportation and has a wide range of application scenarios.

[0019] like Figures 1 to 3 As shown, a rotor with pin bolts not exposed in the embodiment of the utility model comprises: a rotor core 1, a pair of rotor sleeves 2, and six pin bolts 3. The pair of rotor sleeves 2 are symmetrically arranged on both sides of the rotor core 1. Any rotor sleeve 2 is fixed to the rotor core 1 by three pin bolts 3. The three pin bolts 3 on the pair of rotor sleeves 2 are arranged oppositely. The surface of any rotor sleeve 2 is provided with three recessed grooves 21. The pin bolts 3 are located in the recessed grooves 21 and do not protrude from the surface of the rotor sleeve 2. It also comprises: an external thread 4 and six caps 5. The external thread 4 is provided on the side wall of the head end of any pin bolt 3. The inner wall of any cap 5 is provided with an internal thread 6. Any cap 5 is connected to any pin bolt 3 through the internal thread 6 and the external thread 4, and fits with the inner wall of the recessed groove 21, covers the pin bolt 3, covers the pin bolt 3 well, and prevents the pin bolt 3 from contacting the material, preventing dirt from being hidden, and meeting the transportation requirements of food-grade materials.

[0020] Furthermore, in the present embodiment, the cover cap 5 and the rotor cover 2 are made of the same material, that is, polytetrafluoroethylene material, which can meet the requirements of some special scenarios.

[0021] Further, if Figure 2~3 As shown, three positioning protrusions 71 are provided on both sides of the rotor core 1, and three positioning grooves 72 are provided on the rotor sleeve 2. The shapes of the positioning protrusions 71 and the positioning grooves 72 match each other, so as to improve the assembly accuracy during assembly.

[0022] Furthermore, in this embodiment, the positioning protrusion 71 and the rotor core 1 are formed as one piece to ensure the stability of the structure.

[0023] Further, if Figure 2~3 As shown, three positioning pins 81 are provided on both sides of the rotor core 1, and three positioning holes 82 are provided on the rotor sleeve 2. The shapes of the positioning pins 81 and the positioning holes 82 match each other, and secondary positioning is performed to further improve the assembly accuracy.

[0024] When in use, the cover cap 5 is threadedly connected to the corresponding pin bolt 3 to cover the pin bolt 3.

[0025] As described above, according to an embodiment of the utility model, a rotor with a pin bolt not exposed is provided with a cover cap 5 on the outer surface of the pin bolt 3, and the cover cap 5 is fitted with the rotor sleeve 2, so that the pin bolt 3 can be well covered, so that the pin bolt 3 does not contact the material, thereby preventing dirt and grime from being hidden, and meeting the transportation requirements of food-grade materials.

[0026] The above combined with Figures 1 to 3 A rotor with pin bolts not exposed according to an embodiment of the utility model is described. Further, the utility model can also be applied to a rotor pump.

[0027] According to another embodiment of the utility model, a rotor pump is provided, comprising a rotor of the previous embodiment with pin bolts not exposed, the pin bolts 3 are not exposed to prevent dirt from being hidden, and the transportation requirements of food-grade materials are met.

[0028] It should be noted that, in this specification, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprises..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although the content of the utility model has been described in detail through the above preferred embodiments, it should be appreciated that the above description should not be considered as a limitation of the utility model. After reading the above content, various modifications and substitutions of the utility model will be obvious to those skilled in the art. Therefore, the protection scope of the utility model should be limited by the attached claims.

Claims

1. A rotor with pin bolts not exposed, comprising: a rotor core, a pair of rotor sleeves, and six pin bolts, wherein the pair of rotor sleeves are symmetrically arranged on both sides of the rotor core, and any of the rotor sleeves is fixed to the rotor core by three pin bolts, and the three pin bolts on the pair of rotor sleeves are arranged oppositely; the surface of any of the rotor sleeves is provided with three recessed grooves, and the pin bolts are located in the recessed grooves and do not protrude from the surface of the rotor sleeve; characterized in that: Also includes: External threads, the external threads are provided on the side wall of the head end of any of the pin bolts; Six caps, any of which has an internal thread on its inner wall, are connected to any of the pin bolts via the internal thread and the external thread, and fit with the inner wall of the sink to cover the pin bolt.

2. The rotor with pin bolts not exposed as claimed in claim 1, characterized in that: The cover cap is made of the same material as the rotor sleeve.

3. The rotor with pin bolts not exposed as claimed in claim 2, characterized in that: The cover cap and the rotor sleeve are made of polytetrafluoroethylene.

4. The rotor with pin bolts not exposed as claimed in claim 1, characterized in that: Three positioning protrusions are arranged on both sides of the rotor core, and three positioning grooves are arranged on the rotor sleeve. The positioning protrusions match the shapes of the positioning grooves.

5. The rotor with pin bolts not exposed as claimed in claim 4, characterized in that: The positioning protrusion and the rotor core are integrally formed.

6. The rotor with pin bolts not exposed as claimed in claim 1, characterized in that: Three positioning pins are arranged on both sides of the rotor core, and three positioning holes are arranged on the rotor sleeve, and the shapes of the positioning pins match those of the positioning holes.

7. A rotor pump, characterized in that: A rotor comprising the pin bolts not exposed as described in any one of claims 1 to 6.

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