A Roots screw series vacuum unit

Abstract

The utility model discloses a Roots screw series vacuum unit, which relates to the field of vacuum pumping technology. The utility model includes an equipment box, wherein the four corners of the bottom of the equipment box are fixedly connected to support legs, an equipment door is provided on the front of the equipment box, a handle is fixedly connected to the front of the equipment door, an air pump is provided inside the equipment box, an air outlet pipe is fixedly connected to the top of the air pump, the air outlet pipe runs through the equipment box and extends to the outside, an air inlet pipe is provided on the left side of the air outlet pipe, the bottom of the air inlet pipe is fixedly connected to the top of the air pump, a noise reduction component is provided below the air pump, the number of the noise reduction components is two, and the parts contained in the two noise reduction components are the same. The utility model sets a bearing plate, specifically, the bearing plate cooperates with the support ear three to push the pressure to the spring, and at the same time the damping rod supports and releases the pressure through the support ear two, thereby achieving the purpose of reducing the vibration of the equipment, and then reducing the noise generated by the equipment.

Description

Technical Field

[0001] The utility model belongs to the field of vacuum pumping technology, in particular to a Roots screw series vacuum unit. Background Art

[0002] Vacuum pumps are mainly used in semiconductor, electronics, papermaking, food, hospitals, new energy and other industries. Among them, Roots pumps are one of the main vacuum pumps used on the market. However, the current Roots pumps have relatively low pumping speed and vacuum degree. Generally, multiple Roots pumps are required to be connected in series to form a high vacuum effect.

[0003] At present, the pumping speed of multiple Roots pumps connected in series will increase, and the resonance will increase, which will generate relatively large noise, vibration and energy consumption, which cannot meet the requirements of modern energy conservation and environmental protection, and has low applicability for high vacuum and high pumping speed applications. Therefore, we proposed a Roots screw series vacuum unit. Utility Model Content

[0004] The purpose of the utility model is to provide a Roots screw series vacuum unit, by setting a bearing plate, specifically, by pushing pressure to the spring through the bearing plate in cooperation with the support ear three, while the telescopic rod and the telescopic cylinder provide support and release the pressure through the support ear two, thereby achieving the purpose of reducing the vibration of the equipment, and then reducing the noise generated by the equipment, solving the problem that the pumping speed of multiple Roots pumps connected in series at this stage will increase and resonance will occur, thereby generating relatively large noise, vibration and energy consumption, which cannot meet the requirements of modern energy conservation and environmental protection, and has low applicability to applications with high vacuum and high pumping speed.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a Roots screw series vacuum unit, including an equipment box, the four corners of the bottom of the equipment box are fixedly connected to support legs, the equipment box is provided with an equipment door on the front, the equipment door is fixedly connected to a handle on the front, an air pump is provided inside the equipment box, an air outlet pipe is fixedly connected to the top of the air pump, the air outlet pipe runs through the equipment box and extends to the outside, an air inlet pipe is provided on the left side of the air outlet pipe, the bottom of the air inlet pipe is fixedly connected to the top of the air pump, a noise reduction component is provided under the air pump, the number of the noise reduction components is two, the parts included in the two noise reduction components are the same, and the noise reduction of the equipment is specifically performed by the same noise reduction component.

[0007] Furthermore, the noise reduction component includes a bearing plate, the top of the bearing plate on the left side is fixedly connected to the motor by screws, and a plurality of round rods 1 are provided on the front and back sides of the bearing plate, and the parts connected to the plurality of round rods 1 are the same, and the front side of the round rod 1 is rotatably connected to a support ear 3, and by setting the bearing plate, specifically by the bearing plate cooperating with the support ear 3, the pressure is pushed toward the spring, and at the same time the damping rod provides support and releases the pressure through the support ear 2, thereby achieving the purpose of reducing the vibration of the equipment, and then reducing the noise generated by the equipment.

[0008] Furthermore, a damping rod is fixedly connected to the center of the bottom of the supporting ear three, the bottom of the damping rod is fixedly connected to the supporting ear two, a spring is sleeved on the outside of the damping rod, the top of the spring is fixedly connected to the bottom of the supporting ear three, the bottom of the spring is fixedly connected to the top of the supporting ear two, and the inner wall of the supporting ear two is rotatably connected to the round rod two, and the vibration is reduced by the cooperation of the spring at the bottom of the supporting ear three and the damping rod, thereby achieving the effect of noise reduction.

[0009] Furthermore, a supporting ear 1 is fixedly connected to the outer surface of the second round rod, the front side of the supporting ear 1 is fixedly connected to the inner wall of the equipment box, the top of the bearing plate on the right side is fixedly connected to the bottom of the air pump, and a protective ring 1 is fixedly connected to the left side of the air pump. Specifically, by arranging protective ring 1 and protective ring 2, the output end of the motor is protected, thereby improving the service life.

[0010] Furthermore, the left side of the protective ring 1 is fixedly connected to the protective ring 2 by screws, the left side of the protective ring 2 is fixedly connected to the right side of the motor, the output end of the right side of the motor is fixedly connected to the output rod, the outer surface of the output rod is fixedly connected to the gear 1, and power is transmitted through the cooperation between the output rod and the gear 1.

[0011] Furthermore, the back side of gear one is meshingly connected with gear two, the inner wall of gear two is fixedly connected with rotating rod one, gear three is arranged on the right side of gear two, the inner wall of gear three is fixedly connected with the outer surface of rotating rod one, the front side of gear three is meshingly connected with gear four, the inner wall of gear four is fixedly connected with rotating rod two, the right sides of rotating rod two and the right side of rotating rod one are both rotatably connected with the left side of the air pump, and the air pump can operate normally through the cooperation of rotating rod two and rotating rod one.

[0012] Furthermore, a filter box is fixedly connected to the top of the air inlet pipe by screws, a filter cover is arranged on the top of the filter box, an adapter column is threadedly connected to the inner wall of the filter cover, the outer surface of the adapter column is fixedly connected to the inner wall of the filter box, and a filter net is slidably connected to the inner wall of the adapter column. By setting the filter net, specifically assembling the filter net inside the filter box through the top of the adapter column, this device can reduce the air sucked into the air inlet pipe to be relatively clean, and filter out fewer impurities in the air through the filter net, thereby protecting the air pump, and the output gas is also relatively clean, so that the inside of the equipment is in a relatively clean working environment, thereby extending the service life of the equipment.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model sets a load-bearing plate, specifically, the load-bearing plate cooperates with the support ear 3 to push the pressure to the spring, and at the same time the damping rod supports and releases the pressure through the support ear 2, thereby achieving the purpose of reducing the vibration of the equipment and then reducing the noise generated by the equipment.

[0015] 2. The utility model sets a filter, specifically assembles the filter inside the filter box through the top of the adapter column. This device can reduce the air sucked into the intake pipe to be relatively clean, and filter out fewer impurities in the air through the filter, thereby protecting the air pump, and the output gas is also relatively clean, so that the inside of the equipment is in a relatively clean working environment, thereby extending the service life of the equipment.

[0016] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for describing the embodiment will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the protective ring of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the utility model filter box;

[0021] Figure 4 This is a schematic diagram of the structure of the adapter column of the utility model;

[0022] Figure 5The utility model is a structural schematic diagram of a rotating rod.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Equipment box; 11. Equipment door; 12. Handle; 2. Air pump; 21. Exhaust pipe; 22. Protective ring 1; 23. Protective ring 2; 24. Motor; 241. Output rod; 242. Gear 1; 243. Gear 2; 244. Gear 3; 245. Gear 4; 246. Rotating rod 1; 247. Rotating rod 2; 25. Inlet pipe; 26. Filter box; 261. Filter cover; 262. Adapter column; 263. Filter net; 3. Noise reduction component; 31. Loading plate; 32. Support ear 1; 33. Support ear 2; 34. Damping rod; 35. Spring; 36. Support ear 3. DETAILED DESCRIPTION

[0025] 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 them. 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.

[0026] See also Figure 1-5 As shown, the utility model is a Roots screw series vacuum unit, including an equipment box 1, the four corners of the bottom of the equipment box 1 are fixedly connected to support legs, an equipment door 11 is arranged on the front of the equipment box 1, and a handle 12 is fixedly connected to the front of the equipment door 11, an air pump 2 is arranged inside the equipment box 1, an air outlet pipe 21 is fixedly connected to the top of the air pump 2, the air outlet pipe 21 passes through the equipment box 1 and extends to the outside, an air inlet pipe 25 is arranged on the left side of the air outlet pipe 21, and the bottom of the air inlet pipe 25 is fixedly connected to the top of the air pump 2, and a noise reduction component 3 is arranged under the air pump 2, and the number of the noise reduction components 3 is two, and the parts included in the two noise reduction components 3 are the same.

[0027] The noise reduction component 3 includes a bearing plate 31. The top of the bearing plate 31 on the left side is fixedly connected to the motor 24 by screws. A plurality of round rods 1 are arranged on the front and back sides of the bearing plate 31. The parts connected by the plurality of round rods 1 are of the same shape. The front side of the round rod 1 is rotatably connected to a supporting ear 36. By setting the bearing plate 31, specifically by the bearing plate 31 cooperating with the supporting ear 36, the pressure is pushed toward the spring 35. At the same time, the damping rod 34 provides support and releases the pressure through the supporting ear 2 33, thereby achieving the purpose of reducing the vibration of the equipment and then reducing the noise generated by the equipment.

[0028] A damping rod 34 is fixedly connected at the center of the bottom of the supporting ear three 36, and the bottom of the damping rod 34 is fixedly connected to the supporting ear two 33. A spring 35 is sleeved on the outer side of the damping rod 34, and the top of the spring 35 is fixedly connected to the bottom of the supporting ear three 36, and the bottom of the spring 35 is fixedly connected to the top of the supporting ear two 33. The inner wall of the supporting ear two 33 is rotatably connected to the round rod two.

[0029] A support ear 32 is fixedly connected to the outer surface of the second round rod, the front of the support ear 32 is fixedly connected to the inner wall of the equipment box 1, the top of the bearing plate 31 on the right side is fixedly connected to the bottom of the air pump 2, and a protective ring 22 is fixedly connected to the left side of the air pump 2.

[0030] The left side of the protective ring 1 22 is fixedly connected to the protective ring 2 23 by screws, the left side of the protective ring 23 is fixedly connected to the right side of the motor 24, the output end of the right side of the motor 24 is fixedly connected to the output rod 241, and the outer surface of the output rod 241 is fixedly connected to the gear 1 242.

[0031] The back side of gear one 242 is meshedly connected with gear two 243, the inner wall of gear two 243 is fixedly connected with rotating rod one 246, gear three 244 is arranged on the right side of gear two 243, the inner wall of gear three 244 is fixedly connected with the outer surface of rotating rod one 246, the front side of gear three 244 is meshedly connected with gear four 245, the inner wall of gear four 245 is fixedly connected with rotating rod two 247, the right sides of rotating rod two 247 and the right side of rotating rod one 246 are both rotatably connected with the left side of air pump 2.

[0032] A filter box 26 is fixedly connected to the top of the air inlet pipe 25 by screws, and a filter cover 261 is arranged on the top of the filter box 26. An adapter column 262 is threadedly connected to the inner wall of the filter cover 261. The outer surface of the adapter column 262 is fixedly connected to the inner wall of the filter box 26. A filter screen 263 is slidably connected to the inner wall of the adapter column 262. By setting the filter screen 263, specifically assembling the filter screen 263 inside the filter box 26 through the top of the adapter column 262, this device can reduce the air sucked into the air inlet pipe 25 to be relatively clean, and filter out fewer impurities in the air through the filter screen 263, thereby protecting the air pump 2, and the output gas is also relatively clean, so that the inside of the equipment is in a relatively clean working environment, thereby extending the service life of the equipment.

[0033] A specific application of this embodiment is: when in use, first open the device door 11 through the handle 12, then install the motor 24 and the air pump 2 on the surface of the outlet pipe 21 through screws, then check whether the output end of the motor 24 is compatible with the receiving end of the air pump 2. After they are engaged with each other without error, assemble the protective ring 23 and the protective ring 1 22 through screws. By assembling the protective ring 23 and the support ear 2 33, dust and impurities can be prevented from falling into the connection, thereby affecting the normal operation of the equipment and protecting the equipment. Then, the filter box 26 is assembled with screws on the air inlet pipe 25 at the top of the air pump 2 to make it sealed, and then the filter net 263 is assembled inside the filter box 26 through the top of the adapter column 262, and then the filter cover 261 is tightened with the adapter column 262. This device can reduce the air sucked into the intake pipe 25 It is relatively clean, and less impurities in the air are filtered out by the filter net 263, thereby protecting the air pump 2, and the output gas is also relatively clean. After the overall assembly is completed, the motor 24 is started, and the output rod 241 on the right side of the motor 24 drives the gear one 242 to rotate, so as to transmit power to the gear two 243, and the gear three 244 is matched with the rotating rod one 246 to make the gear four 245 rotate synchronously, thereby according to the initiative of the rotating rod one 246 and the rotating rod two 247, the air pump 2 can be started, and according to the starting of the motor 24 and the air pump 2, vibration will be generated, thereby generating noise, and then the bearing plate 31 set at the bottom of the motor 24 and the air pump 2 cooperates with the support ear three 36 to push the pressure to the spring 35, and at the same time, it is supported by the damping rod 34 and the pressure is released by the support ear two 33, thereby achieving the purpose of reducing the vibration of the equipment, and then achieving the purpose of reducing noise.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A Roots screw series vacuum unit, comprising an equipment box (1), wherein the four corners of the bottom of the equipment box (1) are fixedly connected with support legs, characterized in that: The equipment box (1) is provided with an equipment door (11) on the front side, and a handle (12) is fixedly connected to the front side of the equipment door (11). An air pump (2) is provided inside the equipment box (1), and an air outlet pipe (21) is fixedly connected to the top of the air pump (2). The air outlet pipe (21) passes through the equipment box (1) and extends to the outside. An air inlet pipe (25) is provided on the left side of the air outlet pipe (21), and the bottom of the air inlet pipe (25) is fixedly connected to the top of the air pump (2). A noise reduction component (3) is provided below the air pump (2), and the number of the noise reduction components (3) is two, and the parts included in the two noise reduction components (3) are the same.

2. A Roots screw series vacuum unit according to claim 1, characterized in that: The noise reduction component (3) comprises a bearing plate (31), the top of the bearing plate (31) on the left side is fixedly connected to the motor (24) by means of screws, a plurality of round rods 1 are arranged on the front and back sides of the bearing plate (31), the parts connected to the plurality of round rods 1 are of the same shape, and a support ear 3 (36) is rotatably connected to the front side of the round rod 1 on the front side.

3. A Roots screw series vacuum unit according to claim 2, characterized in that: A damping rod (34) is fixedly connected to the center of the bottom of the supporting ear three (36), and the bottom of the damping rod (34) is fixedly connected to the supporting ear two (33). A spring (35) is sleeved on the outer side of the damping rod (34), and the top of the spring (35) is fixedly connected to the bottom of the supporting ear three (36), and the bottom of the spring (35) is fixedly connected to the top of the supporting ear two (33). The inner wall of the supporting ear two (33) is rotatably connected to the round rod two.

4. A Roots screw series vacuum unit according to claim 3, characterized in that: A supporting ear (32) is fixedly connected to the outer surface of the second round rod, and the front of the supporting ear (32) is fixedly connected to the inner wall of the equipment box (1). The top of the supporting plate (31) located on the right side is fixedly connected to the bottom of the air pump (2), and a protective ring (22) is fixedly connected to the left side of the air pump (2).

5. A Roots screw series vacuum unit according to claim 4, characterized in that: The left side of the protective ring 1 (22) is fixedly connected to the protective ring 2 (23) by screws, the left side of the protective ring 2 (23) is fixedly connected to the right side of the motor (24), the right output end of the motor (24) is fixedly connected to the output rod (241), and the outer surface of the output rod (241) is fixedly connected to the gear 1 (242).

6. A Roots screw series vacuum unit according to claim 5, characterized in that: The back of the gear one (242) is meshedly connected with the gear two (243), the inner wall of the gear two (243) is fixedly connected with the rotating rod one (246), a gear three (244) is arranged on the right side of the gear two (243), the inner wall of the gear three (244) is fixedly connected with the outer surface of the rotating rod one (246), and the front of the gear three (244) is meshedly connected with the gear four (245).

7. A Roots screw series vacuum unit according to claim 6, characterized in that: The inner wall of the gear four (245) is fixedly connected to a rotating rod two (247), and the right side of the rotating rod two (247) and the right side of the rotating rod one (246) are both rotatably connected to the left side of the air pump (2).

8. The Roots screw series vacuum unit according to claim 1, characterized in that: The top of the air inlet pipe (25) is fixedly connected to a filter box (26) by means of screws, the top of the filter box (26) is provided with a filter cover (261), the inner wall of the filter cover (261) is threadedly connected to an adapter column (262), the outer surface of the adapter column (262) is fixedly connected to the inner wall of the filter box (26), and the inner wall of the adapter column (262) is slidably connected to a filter screen (263).

Images