High-temperature-resistant phenolic epoxy glass cloth laminated board for vacuum pump rotating mechanism

Abstract

The utility model discloses a high-temperature-resistant phenolic epoxy glass cloth laminated board for a vacuum pump rotating mechanism, which relates to the technical field of glass cloth laminated boards and comprises a vacuum pump rotor assembly and a plurality of pressing board assemblies, and the vacuum pump rotor assembly comprises a rotor body. The installation mode of the pressing plate body adopts the buckle type design, installation is convenient, the clamping plates are connected with the corresponding clamping grooves in a buckled mode, the clamping plates are obliquely arranged and face the outside of the opening of the installation groove, after the pressing plate body is installed, the ends of the clamping plates are jacked into the fillets of the inner side walls of the clamping grooves, and therefore the pressing plate body can be installed conveniently. The whole pressing plate body is firmly clamped in the mounting groove and cannot deviate outwards, meanwhile, through the arrangement of the limiting holes and the limiting rods, the bottom of the pressing plate body can be limited, the bottom of the pressing plate body can be reinforced, the bottom of the pressing plate body is prevented from inclining, the whole pressing plate body is good in stability after being mounted, looseness cannot be generated, and the abrasion speed is reduced; the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of glass cloth laminated plates, in particular to a high-temperature resistant phenolic epoxy glass cloth laminated plate for a vacuum pump rotating mechanism. Background Art

[0002] Epoxy glass cloth laminate is a laminated product made of chemically treated electrical alkali-free glass fiber cloth as the base material and epoxy resin as the adhesive through hot pressing. It has high mechanical strength at high temperature and good electrical performance stability under high humidity. Epoxy glass cloth laminate is a laminated product made of chemically treated electrical alkali-free glass fiber cloth as the base material and epoxy resin as the adhesive through hot pressing. It has high mechanical strength at high temperature and good electrical performance stability under high humidity. It is suitable for mechanical, electrical and electronic fields.

[0003] When the existing high-wear-resistant epoxy glass cloth laminate used in the rotating mechanism of a vacuum pump is installed inside the rotating mechanism of a vacuum pump, the rotating mechanism needs to rotate at high speed, which will cause the internal high-wear-resistant epoxy glass cloth laminate to loosen, thereby accelerating the wear rate of the high-wear-resistant epoxy glass cloth laminate, and the existing epoxy glass cloth laminate is prone to cracking between the layers, affecting its service life.

[0004] Therefore, it is necessary to invent a high temperature resistant phenolic epoxy glass cloth laminate for a vacuum pump rotating mechanism to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a high temperature resistant phenolic epoxy glass cloth laminate for a vacuum pump rotary mechanism, so as 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 high temperature resistant phenolic epoxy glass cloth laminate for a vacuum pump rotating mechanism, comprising a vacuum pump rotor assembly and a plurality of pressure plate assemblies;

[0007] The vacuum pump rotor assembly comprises a rotor body, the outer side wall of the rotor body is provided with a plurality of mounting grooves distributed in a ring array, and a pressure plate assembly is installed inside each of the plurality of mounting grooves;

[0008] The pressing plate assembly comprises a pressing plate body, and the pressing plate body is adapted to the mounting groove.

[0009] Preferably, a card slot is opened in the middle of the inner walls on both sides of the installation slot, the top inner wall of the card slot is horizontally arranged, the bottom inner wall of the card slot is inclined, and the connection between the two side walls is rounded.

[0010] Preferably, a limiting hole is symmetrically provided in the middle of the inner wall at the bottom end of the installation groove, and a fixing buckle groove is provided through the middle of the front side of the rotor body.

[0011] Preferably, a clamping plate adapted to the clamping slot is fixedly provided at the middle of both sides of the pressure plate body, and the clamping plate is arranged obliquely, and the end of the clamping plate is arranged in an arc shape.

[0012] Preferably, the outer side wall of the pressure plate body is provided with a protective layer, and the protective layer is closely connected to the inner wall of the mounting groove.

[0013] Preferably, a limiting rod is symmetrically fixedly arranged in the middle of the bottom end of the pressing plate body, and the limiting rod is matched with the limiting hole.

[0014] Preferably, the pressure plate body includes a middle epoxy resin layer, an upper glass fiber cloth layer is arranged on the upper surface of the middle epoxy resin layer, and an upper epoxy resin layer is arranged on the upper surface of the upper glass fiber cloth layer, a lower glass fiber cloth layer is arranged on the lower surface of the middle epoxy resin layer, and a connecting rod is arranged on the lower surface of the lower glass fiber cloth layer.

[0015] Preferably, a plurality of connecting rods distributed in a rectangular array are fixedly arranged inside the middle epoxy resin layer, and both ends of the connecting rods respectively penetrate the upper glass fiber cloth layer and the lower glass fiber cloth layer, and respectively extend to the lower surface of the upper epoxy resin layer and the upper surface of the lower epoxy resin layer.

[0016] Preferably, both ends of the connecting rod are bonded to the upper epoxy resin layer and the lower epoxy resin layer respectively, and both ends of the connecting rod are arranged in a truncated cone shape.

[0017] Technical effects and advantages of the utility model:

[0018] The utility model adopts a snap-on design through the installation method of the pressure plate body, which is easy to install. The card plate and the corresponding card slot are snap-connected, and the card plate is tilted and arranged, and the direction is toward the outside of the opening of the installation slot. When the pressure plate body is installed, the end of the card plate is pushed into the rounded corner of the inner wall of the card slot, so that the pressure plate body is firmly clamped in the interior of the installation slot as a whole and cannot be deviated outward. At the same time, through the setting of the limiting hole and the limiting rod, the bottom of the pressure plate body can be limited, the bottom of the pressure plate body can be reinforced, and the bottom of the pressure plate body can be prevented from tilting. After the entire pressure plate body is installed, it has good stability and will not be loose, the wear rate is reduced, and the service life is increased; and through the setting of multiple connecting rods, the connecting rods are made of hard plastic with high strength, which can increase the strength of the pressure plate body and prevent deformation. At the same time, the upper epoxy resin layer and the lower epoxy resin layer are connected and fixed, and the upper glass fiber cloth layer, the lower glass fiber cloth layer and the middle epoxy resin layer are strung together and fixed, so that the connection between the plate layers is more firm, and the cracking between the pressure plate body layers is prevented. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0020] Figure 2 The utility model is a schematic diagram of the three-dimensional structure of the vacuum pump rotor assembly.

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the vacuum pump rotor of the utility model.

[0022] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure.

[0023] Figure 5 It is a schematic diagram of the structure of the pressure plate assembly of the utility model.

[0024] Figure 6 This is a schematic diagram of the cross-sectional structure of the pressing plate of the present utility model.

[0025] In the figure: 1. vacuum pump rotor assembly; 2. pressure plate assembly; 101. rotor body; 102. mounting groove; 103. fixing buckle groove; 104. clamping groove; 105. limiting hole; 201. pressure plate body; 202. clamping plate; 203. limiting rod; 204. protective layer; 2011. upper epoxy resin layer; 2012. middle epoxy resin layer; 2013. lower epoxy resin layer; 2014. upper glass fiber cloth layer; 2015. lower glass fiber cloth layer; 2016. connecting rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides Figure 1-6A high-temperature resistant phenolic epoxy glass cloth laminate for a vacuum pump rotating mechanism is shown, comprising a vacuum pump rotor assembly 1 and a plurality of pressure plate assemblies 2, the vacuum pump rotor assembly 1 comprising a rotor body 101, the outer wall of the rotor body 101 is provided with a plurality of mounting grooves 102 distributed in a ring array, and the interiors of the plurality of mounting grooves 102 are all provided with pressure plate assemblies 2, a clamping groove 104 is provided in the middle of the inner walls on both sides of the mounting groove 102, the top inner wall of the clamping groove 104 is horizontally arranged, the bottom inner wall of the clamping groove 104 is inclined, and the connection between the two side walls is rounded, the rounded corner arrangement enables the end of the pressure plate body 201 to be stably clamped in the interior of the clamping groove 104, limiting holes 105 are symmetrically provided in the middle of the bottom inner wall of the mounting groove 102, and a fixing buckle groove 103 is provided through the middle of the front side of the rotor body 101.

[0028] Furthermore, the pressure plate assembly 2 includes a pressure plate body 201, and the pressure plate body 201 is adapted to the mounting groove 102, the outer wall of the pressure plate body 201 is provided with a protective layer 204, and the protective layer 204 is fitted and connected to the inner wall of the mounting groove 102, the protective layer 204 is hard rubber, which can increase the fit between the pressure plate body 201 and the inner wall of the mounting groove 102, and prevent wear between the pressure plate body 201 and the inner wall of the mounting groove 102, and the limiting rod 203 is symmetrically fixedly provided in the middle of the bottom end of the pressure plate body 201, and the limiting rod 203 is adapted to the limiting hole 105, and the middle of both sides of the pressure plate body 201 are fixedly provided with a card plate 202 adapted to the card slot 104, and the card plate 202 is inclined, and the card plate 202 is made of hard plastic, has high strength, is not easy to deform, and can improve the fixing of the pressure plate body 201 In order to improve the stability, the end of the card plate 202 is set in an arc shape, and the installation method of the pressure plate body 201 adopts a snap-on design, which is easy to install. The card plate 202 and the corresponding card slot 104 are snap-connected, and the card plate 202 is tilted and the direction is facing the outside of the opening of the installation slot 102. When the pressure plate body 201 is installed, the end of the card plate 202 is pushed into the rounded corner of the inner wall of the card slot 104, so that the pressure plate body 201 is firmly stuck in the inside of the installation slot 102 as a whole and cannot be deviated outward. At the same time, through the setting of the limiting hole 105 and the limiting rod 203, the bottom of the pressure plate body 201 can be limited, the bottom of the pressure plate body 201 can be reinforced, and the bottom of the pressure plate body 201 can be prevented from being skewed. After the entire pressure plate body 201 is installed, it has good stability and will not be loose, which reduces the wear rate and increases the service life.

[0029] Secondly, the pressing plate body 201 includes a middle epoxy resin layer 2012, an upper glass fiber cloth layer 2014 is arranged on the upper surface of the middle epoxy resin layer 2012, and an upper epoxy resin layer 2011 is arranged on the upper surface of the upper glass fiber cloth layer 2014, a lower glass fiber cloth layer 2015 is arranged on the lower surface of the middle epoxy resin layer 2012, and a connecting rod 2016 is arranged on the lower surface of the lower glass fiber cloth layer 2015, a plurality of connecting rods 2016 distributed in a rectangular array are fixedly arranged and penetrated inside the middle epoxy resin layer 2012, and two ends of the connecting rod 2016 respectively penetrate the upper glass fiber cloth layer 2014 and the lower glass fiber cloth layer 2015, and respectively extend to the lower surface of the upper epoxy resin layer 2011 The upper surface of the lower epoxy resin layer 2013, the two ends of the connecting rod 2016 are respectively bonded to the upper epoxy resin layer 2011 and the lower epoxy resin layer 2013, and the two ends of the connecting rod 2016 are both truncated cone-shaped. Through the arrangement of multiple connecting rods 2016, the connecting rod 2016 is made of hard plastic with high strength, which can increase the strength of the pressure plate body 201 and prevent deformation. At the same time, the upper epoxy resin layer 2011 and the lower epoxy resin layer 2013 are connected and fixed, and the middle upper glass fiber cloth layer 2014, the lower glass fiber cloth layer 2015 and the middle epoxy resin layer 2012 are strung together and fixed, so that the connection between the plate layers is more firm, preventing cracks between the pressure plate body 201 layers.

[0030] Working principle of this utility model:

[0031] During installation, the pressing plate body 201 is inserted into the interior of the installation groove 102 so that the card plate 202 and the corresponding card slot 104 are aligned. However, when the card plate 202 passes the opening edge of the installation groove 102, the two sides of the pressing plate body 201 are appropriately deformed. Since the card plate 202 is tilted, it can be smoothly inserted into the interior of the installation groove 102. When reaching the card slot 104, the two sides of the pressing plate body 201 restore the deformation, and the card plate 202 is pushed into the interior of the card slot 104, and the card plate 202 and the corresponding card slot 104 are snap-connected. The card plate 202 is tilted and the direction is facing the outside of the opening of the installation groove 102. After the pressing plate body 201 is installed, the end of the card plate 202 is pushed into the rounded corner of the inner wall of the card slot 104, so that the pressing plate body 201 is firmly stuck in the interior of the installation groove 102 as a whole and cannot deviate outward. The limiting hole 105 and the limiting rod 203 are set to limit the bottom of the pressing plate body 201, reinforce the bottom of the pressing plate body 201, and prevent the bottom of the pressing plate body 201 from tilting. After the entire pressing plate body 201 is installed, it has good stability and will not be loose, thereby reducing the wear rate and improving the service life. In addition, a plurality of connecting rods 2016 are set, and the connecting rods 2016 are made of hard plastic with high strength, which can increase the strength of the pressing plate body 201 and prevent deformation. At the same time, the upper epoxy resin layer 2011 and the lower epoxy resin layer 2013 are connected and fixed, and the middle upper glass fiber cloth layer 2014, the lower glass fiber cloth layer 2015 and the middle epoxy resin layer 2012 are connected together and fixed, so that the connection between the plate layers is more firm, and the cracking between the pressing layers of the pressing plate body 201 is prevented.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high temperature resistant phenolic epoxy glass cloth laminate for a vacuum pump rotating mechanism, characterized in that: It comprises a vacuum pump rotor assembly (1) and a plurality of pressure plate assemblies (2); The vacuum pump rotor assembly (1) comprises a rotor body (101), the outer wall of the rotor body (101) being provided with a plurality of mounting grooves (102) distributed in a ring array, and a pressure plate assembly (2) being installed inside each of the plurality of mounting grooves (102); The pressure plate assembly (2) comprises a pressure plate body (201), and the pressure plate body (201) is adapted to the mounting groove (102).

2. The high temperature resistant phenolic epoxy glass cloth laminate for a vacuum pump rotating mechanism according to claim 1, characterized in that: A clamping groove (104) is provided in the middle of the inner walls on both sides of the installation groove (102); the inner wall at the top end of the clamping groove (104) is arranged horizontally, the inner wall at the bottom end of the clamping groove (104) is arranged obliquely, and the connection between the two side walls is arranged with rounded corners.

3. The high temperature resistant phenolic epoxy glass cloth laminate for a vacuum pump rotating mechanism according to claim 2, characterized in that: A limiting hole (105) is symmetrically provided in the middle of the inner wall at the bottom end of the installation groove (102), and a fixing buckle groove (103) is provided through the middle of the front side of the rotor body (101).

4. The high temperature resistant phenolic epoxy glass cloth laminate for a vacuum pump rotating mechanism according to claim 3, characterized in that: A clamping plate (202) adapted to the clamping slot (104) is fixedly arranged at the middle of both sides of the pressure plate body (201), and the clamping plate (202) is arranged in an inclined manner, and the end of the clamping plate (202) is arranged in an arc shape.

5. The high temperature resistant phenolic epoxy glass cloth laminate for the rotary mechanism of a vacuum pump according to claim 4, characterized in that: The outer wall of the pressing plate body (201) is provided with a protective layer (204), and the protective layer (204) is fitted and connected to the inner wall of the installation groove (102).

6. The high temperature resistant phenolic epoxy glass cloth laminate for the rotary mechanism of a vacuum pump according to claim 5, characterized in that: A limiting rod (203) is symmetrically fixedly arranged in the middle of the bottom end of the pressing plate body (201), and the limiting rod (203) is adapted to the limiting hole (105).

7. The high temperature resistant phenolic epoxy glass cloth laminate for the rotary mechanism of a vacuum pump according to claim 6, characterized in that: The pressing plate body (201) comprises a middle epoxy resin layer (2012), an upper glass fiber cloth layer (2014) is arranged on the upper surface of the middle epoxy resin layer (2012), and an upper epoxy resin layer (2011) is arranged on the upper surface of the upper glass fiber cloth layer (2014), a lower glass fiber cloth layer (2015) is arranged on the lower surface of the middle epoxy resin layer (2012), and a connecting rod (2016) is arranged on the lower surface of the lower glass fiber cloth layer (2015).

8. The high temperature resistant phenolic epoxy glass cloth laminate for the rotary mechanism of a vacuum pump according to claim 7, characterized in that: A plurality of connecting rods (2016) arranged in a rectangular array are fixedly provided inside the middle epoxy resin layer (2012), and two ends of the connecting rods (2016) respectively penetrate the upper glass fiber cloth layer (2014) and the lower glass fiber cloth layer (2015), and respectively extend to the lower surface of the upper epoxy resin layer (2011) and the upper surface of the lower epoxy resin layer (2013).

9. The high temperature resistant phenolic epoxy glass cloth laminate for the rotary mechanism of a vacuum pump according to claim 8, characterized in that: The two ends of the connecting rod (2016) are respectively bonded to the upper epoxy resin layer (2011) and the lower epoxy resin layer (2013), and both ends of the connecting rod (2016) are arranged in a truncated cone shape.

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