Liquid blocking mechanism of Roots vacuum unit

Abstract

The utility model belongs to the field of vacuum units, particularly relates to a liquid blocking mechanism of a Roots vacuum unit, and aims to solve the problem that blocked liquid cannot be timely discharged after returning to a water ring pump in the prior art, the following scheme is provided: the liquid blocking mechanism comprises a water ring pump main body; the connecting pipe is communicated with the air outlet end of the water ring pump main body; the liquid blocking pipe is communicated with the air outlet end of the connecting pipe; the liquid blocking device is communicated with the interior of the liquid blocking pipe; the roots pump is communicated with the top end of the liquid blocking pipe; the vacuum unit base is connected to the bottom of the water ring pump body through bolts, a cavity structure can be formed at the bottom end of the interior of the liquid blocking pipe through the arrangement of the liquid blocking pipe and the connecting pipe, liquid blocked by the liquid blocking device can fall into and be collected at the bottom end of the interior of the liquid blocking pipe, and then the liquid can be collected again through the collecting tank. The liquid cannot flow back to the water ring pump body through the connecting pipe, continuous operation of the device is guaranteed, and the burden of the liquid blocking device is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum units, in particular to a liquid-blocking mechanism of a Roots vacuum unit. Background Art

[0002] A Roots vacuum unit is a vacuum pumping device that requires a liquid blocking mechanism during use. A Chinese patent document with publication number CN204511889U discloses a liquid blocking device for a water ring Roots vacuum unit.

[0003] However, the liquid intercepted by the liquid blocking device in the above technical solution will return to the interior of the water ring pump, causing the liquid to gather at the air outlet of the water ring pump, which not only easily affects the continuous operation of the water ring pump, but also easily increases the burden of the liquid blocking device. Utility Model Content

[0004] The utility model aims to solve the defect in the prior art that blocked liquid returns to the water ring pump and cannot be discharged in time, and proposes a liquid blocking mechanism for a Roots vacuum unit.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A liquid-blocking mechanism of a Roots vacuum unit, comprising

[0007] Water ring pump body;

[0008] A connecting pipe connected to the air outlet of the water ring pump body;

[0009] a liquid-blocking tube connected to the air outlet end of the connecting tube;

[0010] a liquid blocker, the liquid blocker being connected to the interior of the liquid blocker tube;

[0011] Roots pump, which is connected to the top of the liquid-blocking tube;

[0012] The vacuum unit base is bolted to the bottom of the water ring pump body;

[0013] The water collection assembly includes a liquid inlet valve, a collection tank and a liquid outlet valve. The top of the liquid inlet valve is connected to the bottom of the liquid blocking tube, the bottom of the liquid inlet valve is connected to the top of the collection tank, and the liquid outlet of the collection tank is connected to the liquid inlet of the liquid outlet valve.

[0014] The cleaning mechanism and the power mechanism are connected with the collecting tank. Through the setting of the liquid blocking tube and the connecting tube, a cavity structure can be formed at the bottom end of the liquid blocking tube. The liquid blocked by the liquid blocker will fall into the bottom end of the liquid blocking tube and then be collected through the collecting tank. The liquid can be collected again so that the liquid will not flow back to the water ring pump body through the connecting tube, thereby ensuring the continuous operation of the device and reducing the burden on the liquid blocker.

[0015] As a preferred solution of the present utility model, the cleaning mechanism includes a rotating rod, a main bevel gear, a secondary bevel gear and a cleaning assembly. The surface of the rotating rod is key-connected to the axis of the main bevel gear, the teeth of the main bevel gear are engaged with the teeth of the secondary bevel gear, and the secondary bevel gear is key-connected to the cleaning assembly. By rotating the rotating rod, the rotating rod can drive the main bevel gear to rotate, and the main bevel gear can drive the secondary bevel gear to rotate.

[0016] As a preferred solution of the present invention, the cleaning assembly includes a rotating shaft and a cleaning scraper. The axis center at the bottom of the secondary bevel gear is keyed to the top of the rotating shaft, and the surface of the rotating shaft is bolted to the inner side of the cleaning scraper. The secondary bevel gear can drive the rotating shaft to rotate, and the rotating shaft can drive the cleaning scraper to rotate, and the cleaning scraper can clean the inside of the collection tank.

[0017] As a preferred solution of the present invention, both ends of the surface of the rotating rod are rotatably sleeved with the interior of the collection tank, the bottom end of the rotating shaft is rotatably sleeved with the bottom end of the interior of the collection tank, and the rotating rod is rotatably arranged with the collection tank through a bearing to ensure the smooth rotation of the rotating rod. One end of the rotating rod extends to the outside of the collection tank and is connected to a rotating handle, and the rotating shaft is rotatably arranged with the collection tank through a bearing.

[0018] As a preferred solution of the present invention, the left side of the top of the vacuum unit base is bolted to a support frame, and the top of the support frame is bolted to the bottom of the Roots pump. The support frame is used to support the Roots pump. After the Roots pump is suspended, the arrangement of the bottom pipe network is also convenient.

[0019] As a preferred solution of the present invention, the bottom of the collecting tank is bolted to the top of the vacuum unit base, and the four corners of the bottom of the vacuum unit base are rotatably connected to walking wheels. The collecting tank falls on the vacuum unit base, and the vacuum unit base is used to support the collecting tank. The walking wheels facilitate the movement of the vacuum unit base.

[0020] Beneficial effects:

[0021] 1. When the main body of the water ring pump is exhausted through the connecting pipe and the liquid blocking pipe, the liquid blocking device in the liquid blocking pipe will block the water vapor in the compressed gas. After the water vapor condenses into water, it will fall into the bottom of the liquid blocking pipe;

[0022] 2. The liquid collected at the bottom of the liquid-blocking tube can be discharged into the collection tank by opening the liquid inlet valve, and the liquid outlet valve can discharge the liquid inside the collection tank;

[0023] In the utility model, a cavity structure can be formed at the bottom end of the liquid blocking tube by arranging the liquid blocking tube and the connecting tube. The liquid blocked by the liquid blocker will fall into the bottom end collected inside the liquid blocking tube, and then the liquid can be collected again through the collection tank, so that the liquid will not flow back to the water ring pump body through the connecting tube, thereby ensuring the continuous operation of the device and reducing the burden on the liquid blocker. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0025] Figure 2 This is a three-dimensional diagram of the interior of the collection tank of the present invention;

[0026] Figure 3 This is a three-dimensional diagram of the connecting pipe of the utility model;

[0027] Figure 4 It is a three-dimensional diagram of the water ring pump main body of the present utility model.

[0028] In the figure: 1. Water ring pump body; 2. Connecting pipe; 3. Liquid blocking pipe; 4. Liquid blocking device; 5. Roots pump; 6. Vacuum unit base; 7. Support frame; 8. Liquid inlet valve; 9. Collection tank; 10. Liquid outlet valve; 11. Rotating rod; 12. Main bevel gear; 13. Secondary bevel gear; 14. Rotating shaft; 15. Cleaning scraper. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] Example

[0031] Reference Figure 1-Figure 4 , a liquid blocking mechanism of a Roots vacuum unit, comprising

[0032] Water ring pump body 1;

[0033] The connecting pipe 2 is connected to the air outlet end of the water ring pump body 1;

[0034] The liquid blocking tube 3 is connected to the gas outlet end of the connecting tube 2;

[0035] The liquid blocker 4 is connected to the interior of the liquid blocking tube 3;

[0036] A Roots pump 5 is connected to the top of the liquid-blocking tube 3;

[0037] The vacuum unit base 6 is bolted to the bottom of the water ring pump body 1;

[0038] The water collection assembly includes a liquid inlet valve 8, a collecting tank 9 and a liquid outlet valve 10. The top of the liquid inlet valve 8 is connected to the bottom end of the liquid blocking tube 3, the bottom of the liquid inlet valve 8 is connected to the top of the collecting tank 9, and the liquid outlet end of the collecting tank 9 is connected to the liquid inlet end of the liquid outlet valve 10;

[0039] The cleaning mechanism and the power mechanism are connected to the collection tank 9.

[0040] By means of the above structure: through the arrangement of the liquid blocking tube 3 and the connecting tube 2, a cavity structure can be formed at the bottom end of the liquid blocking tube 3. The liquid blocked by the liquid blocker 4 will fall into the bottom end collected inside the liquid blocking tube 3, and then the liquid can be collected again through the collecting tank 9, so that the liquid will not flow back to the water ring pump body 1 through the connecting tube 2, thereby ensuring the continuous operation of the device and reducing the burden on the liquid blocker 4.

[0041] See also Figure 2 The cleaning mechanism includes a rotating rod 11, a main bevel gear 12, a secondary bevel gear 13 and a cleaning assembly. The surface of the rotating rod 11 is key-connected to the axis of the main bevel gear 12. The teeth of the main bevel gear 12 are engaged with the teeth of the secondary bevel gear 13. The secondary bevel gear 13 is key-connected to the cleaning assembly. By rotating the rotating rod 11, the rotating rod 11 can drive the main bevel gear 12 to rotate, the main bevel gear 12 can drive the secondary bevel gear 13 to rotate, and the secondary bevel gear 13 can drive the cleaning assembly to rotate.

[0042] See also Figure 2 The cleaning assembly includes a rotating shaft 14 and a cleaning scraper 15. The axis of the bottom of the secondary bevel gear 13 is keyed to the top of the rotating shaft 14. The surface of the rotating shaft 14 is bolted to the inner side of the cleaning scraper 15. The secondary bevel gear 13 can drive the rotating shaft 14 to rotate, and the rotating shaft 14 can drive the cleaning scraper 15 to rotate. The cleaning scraper 15 can clean the inside of the collection tank 9.

[0043] See also Figure 2 Both ends of the surface of the rotating rod 11 are rotatably sleeved with the inside of the collection tank 9, and the bottom end of the rotating shaft 14 is rotatably sleeved with the bottom end inside the collection tank 9. The rotating rod 11 is rotatably set with the collection tank 9 through a bearing to ensure the stability of the rotation of the rotating rod 11. One end of the rotating rod 11 extends to the outside of the collection tank 9 and is connected to a rotating handle. The rotating shaft 14 is rotatably set with the collection tank 9 through a bearing.

[0044] See also Figure 1 The left side of the top of the vacuum unit base 6 is bolted to a support frame 7, and the top of the support frame 7 is bolted to the bottom of the Roots pump 5. The support frame 7 is used to support the Roots pump 5. After the Roots pump 5 is emptied, the layout of the bottom pipe network is also convenient.

[0045] See also Figure 4The bottom of the collecting tank 9 is bolted to the top of the vacuum unit base 6. The four corners of the bottom of the vacuum unit base 6 are rotatably connected with walking wheels. The collecting tank 9 falls on the vacuum unit base 6. The vacuum unit base 6 is used to support the collecting tank 9. The walking wheels facilitate the movement of the vacuum unit base 6.

[0046] It should be noted that the specific types of water ring pump body 1 and Roots pump 5 to be used are selected by relevant technicians familiar with this field, and the above water ring pump body 1 and Roots pump 5 are all existing technologies and will not be described in detail in this solution.

[0047] The liquid resistor 4 adopts the existing technology and can adopt the structure of patent application number 201520156231.1.

[0048] The operating steps of the present invention are as follows: the water ring pump main body 1 extracts air, and then injects compressed gas into the interior of the liquid resistance tube 3 through the connecting pipe 2. The liquid blocker 4 in the liquid resistance tube 3 can block the input liquid, and the Roots pump 5 can extract the compressed gas inside the liquid resistance tube 3. The liquid inside the liquid resistance tube 3 is collected at the bottom end inside the liquid resistance tube 3. When the liquid in the liquid resistance tube 3 needs to be cleaned, the valve core of the liquid inlet valve 8 is opened, and the liquid inside the liquid resistance tube 3 can be discharged into the interior of the collecting tank 9 through the liquid inlet valve 8. After opening the liquid outlet valve 10, the liquid inside the collecting tank 9 can be discharged, but the liquid entering the collecting tank 9 is often mixed with dust, etc., and the rotating rod 11 is rotated. The rotating rod 11 can drive the main bevel gear 12 to rotate, and the main bevel gear 12 can drive the secondary bevel gear 13 to rotate, and the secondary bevel gear 13 can drive the rotating shaft 14 to rotate, and the rotating shaft 14 can drive the cleaning scraper 15 to rotate, and the cleaning scraper 15 can clean the interior of the collecting tank 9.

[0049] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A liquid blocking mechanism of a Roots vacuum unit, characterized in that: include Water ring pump body (1); A connecting pipe (2), the connecting pipe (2) is connected to the air outlet end of the water ring pump body (1); A liquid blocking tube (3), the liquid blocking tube (3) is connected to the air outlet end of the connecting tube (2); a liquid blocker (4), the liquid blocker (4) being connected to the interior of the liquid blocker tube (3); A Roots pump (5), which is connected to the top end of the liquid-blocking tube (3); A vacuum unit base (6) is bolted to the bottom of the water ring pump body (1); A water collection component, comprising a liquid inlet valve (8), a collecting tank (9) and a liquid outlet valve (10), wherein the top of the liquid inlet valve (8) is connected to the bottom of the liquid blocking tube (3), the bottom of the liquid inlet valve (8) is connected to the top of the collecting tank (9), and the liquid outlet end of the collecting tank (9) is connected to the liquid inlet end of the liquid outlet valve (10); The cleaning mechanism and the power mechanism are connected to the collection tank (9).

2. The liquid blocking mechanism of a Roots vacuum unit according to claim 1, characterized in that: The cleaning mechanism comprises a rotating rod (11), a main bevel gear (12), a secondary bevel gear (13) and a cleaning assembly. The surface of the rotating rod (11) is key-connected to the axis of the main bevel gear (12), the teeth of the main bevel gear (12) are meshed with the teeth of the secondary bevel gear (13), and the secondary bevel gear (13) is key-connected to the cleaning assembly.

3. The liquid blocking mechanism of a Roots vacuum unit according to claim 2, characterized in that: The cleaning assembly comprises a rotating shaft (14) and a cleaning scraper (15); the axis of the bottom of the secondary bevel gear (13) is key-connected to the top of the rotating shaft (14); and the surface of the rotating shaft (14) is bolt-connected to the inner side of the cleaning scraper (15).

4. The liquid blocking mechanism of a Roots vacuum unit according to claim 3, characterized in that: Both ends of the surface of the rotating rod (11) are rotatably sleeved with the interior of the collecting tank (9), and the bottom end of the rotating shaft (14) is rotatably sleeved with the bottom end of the interior of the collecting tank (9).

5. The liquid blocking mechanism of a Roots vacuum unit according to claim 1, characterized in that: The left side of the top of the vacuum unit base (6) is bolted to a support frame (7), and the top of the support frame (7) is bolted to the bottom of the Roots pump (5).

6. The liquid blocking mechanism of a Roots vacuum unit according to claim 1, characterized in that: The bottom of the collecting tank (9) is connected to the top of the vacuum unit base (6) with bolts, and the four corners of the bottom of the vacuum unit base (6) are rotatably connected with running wheels.

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