Vacuum main machine with water cooling function
By introducing a cooling water channel into the vacuum host, the cooling water absorbs heat in the shell is used to solve the problem of low heat dissipation efficiency of the vacuum host, the stability and cooling effect are improved, the cooling water is clean, and the structure and use are simplified.
Patent Information
- Application Number
- CN202420246768.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-01-31
AI Technical Summary
After long-term use, the internal temperature of the existing vacuum host increases, which has low heat dissipation efficiency, affecting normal operation.
Design a vacuum main unit with water cooling, sucking air in and compressing and discharged through two impellers, and at the same time, cooling water is introduced into the cooling channel to absorb heat in the shell, with good cooling effect, improving compression efficiency and ensuring clean cooling water .
It effectively improves the stability and cooling effect of the vacuum host, ensures that the cooling water does not come into contact with the impeller, keeps it clean, and simplifies the structure and convenience of use.
Smart Images
Figure CN222254428U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vacuum host machines, in particular to a vacuum host machine with water cooling. Background Art
[0002] The vacuum host is a device used to generate vacuum, and is often used in the fields of medical treatment, environmental protection, scientific research, etc. The vacuum host can be used for the extraction and exhaust of negative pressure vacuum units, and its extraction volume and motor power can be selected according to needs. In addition, the vacuum host can also be used in conjunction with the Torricelli control system to monitor and control the vacuum degree. In the field of environmental protection, the vacuum host can be used in garbage collection systems to collect garbage to recycling stations through a pipeline network.
[0003] For example, the prior art publication number is CN212508817U, which is a dry vacuum main unit used in the pharmaceutical industry. This utility model has a simple and compact structure and is easy to disinfect and clean. It can automatically recycle materials in a vacuum environment during the concentration, dehydration, drying and distillation processes in the pharmaceutical process without generating wastewater, waste gas or waste liquid, and is a new type of environmentally friendly dry vacuum main unit that effectively improves the drying process effect.
[0004] However, the above-mentioned prior art still has the following problems when used: after the vacuum host is used for a long time, its internal temperature will become higher and higher, and the heat is usually dissipated from the host shell, and the heat dissipation efficiency is low. Therefore, the heat will affect the normal operation of the vacuum host. Based on this, the utility model provides a vacuum host with good cooling effect. Utility Model Content
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a vacuum main engine with water cooling, which sucks air from the air inlet end through the rotation of two impellers, and the air is discharged from the exhaust port after compression. At the same time, cooling water is introduced into the cooling channel to absorb the heat in the shell. The cooling effect is good, the compression efficiency can be improved, and the stability of the vacuum main engine can be improved. The cooling water does not contact the impeller in the shell, so the cleanliness of the cooling water can be ensured to solve the problems arising from the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vacuum main engine with water cooling, comprising a shell and two impellers, the two impellers are movably arranged inside the shell, an air inlet end is fixedly provided on the top of the shell, an exhaust port is provided on one side of the shell, a groove is provided on the side of the shell away from the exhaust port, a cooling channel is fixedly provided in the groove, a sealing cover is provided in the groove, a filter assembly is provided inside the air inlet end, the filter assembly comprises a hollow tube, a first ring plate is fixedly sleeved on the outer wall of the hollow tube, an annular groove is provided on the top of the air inlet end, the first ring plate is inserted in the annular groove, a collar is provided in the hollow tube, a filter net is fixedly provided inside the collar for filtering air, a second ring plate is provided on the top of the first ring plate, the bottom of the second ring plate is in contact with the top of the hollow tube, and the second ring plate is inserted in the annular groove.
[0007] In a preferred embodiment, a plurality of limit blocks are fixedly provided on the outer side wall of the first ring plate, a plurality of limit grooves are opened on the inner wall of the annular groove, a plurality of limit blocks are respectively inserted into the plurality of limit grooves, and the limit blocks cooperate with the limit grooves to assist in the installation of the hollow tube.
[0008] In a preferred embodiment, the tops of multiple limit blocks are in contact with the bottom of the second ring plate, the top of the second ring plate is threaded with multiple first bolts, and the second ring plate is fixed to the air intake end by the multiple first bolts, which facilitates the disassembly of the second ring plate.
[0009] In a preferred embodiment, a plurality of receiving grooves are formed on the top of the second ring plate, and a plurality of first bolts are respectively disposed in the plurality of receiving grooves to prevent the first bolts from being exposed on the outside of the second ring plate and affecting the aesthetics of the second ring plate.
[0010] In a preferred embodiment, the inner wall of the hollow tube is provided with an embedding groove, the outer wall surface of the collar and the inner wall surface of the hollow tube are both processed with threads, and the collar and the hollow tube are threadedly connected to facilitate disassembly of the collar and cleaning of dust and impurities in the collar.
[0011] In a preferred embodiment, a linkage shaft is fixedly provided at the front end of the impeller close to one side of the casing, and both impellers are connected to the casing through bearings. An oil tank is fixedly provided at the rear end of the casing, and an oil sight glass is fixedly embedded at the rear end of the oil tank to facilitate observation of the oil amount in the tank.
[0012] In a preferred embodiment, a sealing gasket is fixedly provided on the inner wall of the sealing cover, and the sealing gasket contacts the inner wall of the groove to improve the sealing between the sealing cover and the groove. The sealing cover and the groove are fixed by a plurality of second bolts to facilitate the removal of the sealing cover.
[0013] Technical effects and advantages of the utility model:
[0014] 1. The utility model inhales air from the air inlet end through the rotation of two impellers, and discharges it from the exhaust port after compression. At the same time, cooling water is introduced into the cooling channel, and the cooling water is used to absorb the heat in the shell. The cooling effect is good, the compression efficiency can be improved, and the stability of the vacuum host can be improved. The cooling water flows in the cooling channel and does not contact the impeller in the shell, so the cleanliness of the cooling water can be ensured. The structure is simple and it is very convenient to use.
[0015] 2. Filter the dust and impurities in the air through the filter net in the hollow tube to prevent the dust and impurities from contaminating the inside of the shell. When the vacuum main unit is not in use, the staff first loosens the multiple first bolts on the second ring plate, then removes the second ring plate from the annular groove, and then inserts the finger into the embedded groove, removes the hollow tube from the air inlet end, and cleans the dust and impurities on the filter net. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is the internal diagram of the groove of the utility model;
[0018] Figure 3 For this utility model Figure 2 Rear view of
[0019] Figure 4 This is a structural diagram of the hollow tube, the sleeve ring and the second ring plate of the utility model;
[0020] Figure 5 This is an internal diagram of the shell of the present utility model.
[0021] The accompanying drawings are marked as follows: 1, housing; 2, impeller; 3, air inlet; 4, exhaust port; 5, groove; 6, cooling channel; 7, sealing cover; 8, filter assembly; 9, second ring plate; 10, limit block; 11, limit groove; 12, first bolt; 13, storage groove; 14, embedded groove; 15, linkage shaft; 16, bearing; 17, oil tank; 18, oil sight glass; 19, sealing gasket; 20, second bolt;
[0022] 801, hollow tube; 802, first ring plate; 803, annular groove; 804, sleeve ring; 805, filter screen. DETAILED DESCRIPTION
[0023] 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.
[0024] Refer to the instruction manual Figure 1-5 The utility model provides a vacuum main engine with water cooling, comprising a housing 1 and two impellers 2, the two impellers 2 are movably arranged inside the housing 1, an air inlet 3 is fixedly arranged on the top of the housing 1, an exhaust port 4 is arranged on one side of the housing 1, a groove 5 is opened on the side of the housing 1 away from the exhaust port 4, a cooling channel 6 is fixedly arranged in the groove 5, and a sealing cover 7 is arranged in the groove 5;
[0025] In addition, a linkage shaft 15 is fixedly provided at the front end of the impeller 2 close to the housing 1, and both impellers 2 are connected to the housing 1 through bearings 16. An oil tank 17 is fixedly provided at the rear end of the housing 1, and an oil sight glass 18 is fixedly embedded at the rear end of the oil tank 17 to facilitate observation of the oil level in the oil tank 17. A sealing gasket 19 is fixedly provided on the inner wall of the sealing cover 7. The sealing gasket 19 contacts the inner wall of the groove 5 to improve the sealing between the sealing cover 7 and the groove 5. The sealing cover 7 and the groove 5 are fixed by multiple second bolts 20 to facilitate disassembly of the sealing cover 7.
[0026] When in use, the two impellers 2 in the shell 1 rotate to suck air from the air inlet end 3, and the compressed air is discharged from the exhaust port 4. At the same time, cooling water is introduced into the cooling channel 6, and the cooling water is used to absorb the heat in the shell 1. The cooling effect is good, the compression efficiency can be improved, and the stability of the vacuum main engine can be improved. The cooling water flows in the cooling channel 6 and does not contact the impeller 2 in the shell 1, so the cleanliness of the cooling water can be ensured. The structure is simple and it is very convenient to use.
[0027] Refer to the instruction manual Figure 1-5 The air inlet end 3 is provided with a filter assembly 8 inside, and the filter assembly 8 includes a hollow tube 801, and a first ring plate 802 is fixedly sleeved on the outer wall of the hollow tube 801, and an annular groove 803 is opened on the top of the air inlet end 3, and the first ring plate 802 is inserted into the annular groove 803. A collar 804 is provided inside the hollow tube 801, and a filter net 805 is fixedly provided inside the collar 804 for filtering air, and a second ring plate 9 is provided on the top of the first ring plate 802, and the bottom of the second ring plate 9 is in contact with the top of the hollow tube 801, and the second ring plate 9 is inserted in the annular groove 803;
[0028] In addition, a plurality of limit blocks 10 are fixedly provided on the outer side wall of the first ring plate 802, a plurality of limit grooves 11 are provided on the inner wall of the annular groove 803, and the plurality of limit blocks 10 are respectively inserted into the plurality of limit grooves 11, and the limit blocks 10 cooperate with the limit grooves 11 to assist in the installation of the hollow tube 801, and the tops of the plurality of limit blocks 10 are all in contact with the bottom of the second ring plate 9, and the top of the second ring plate 9 is threadedly connected with a plurality of first bolts 12, and the second ring plate 9 is fixed to the air inlet end 3 by the plurality of first bolts 12, so as to facilitate the disassembly of the second ring plate 9;
[0029] Moreover, a plurality of receiving grooves 13 are provided on the top of the second ring plate 9, and a plurality of first bolts 12 are respectively arranged in the plurality of receiving grooves 13 to prevent the first bolts 12 from being exposed on the outside of the second ring plate 9. An embedding groove 14 is provided on the inner wall of the hollow tube 801. The outer wall surface of the collar 804 and the inner wall surface of the hollow tube 801 are both processed with threads. The collar 804 and the hollow tube 801 are threadedly connected to each other, which facilitates the disassembly of the collar 804 and the cleaning of dust and impurities in the collar 804.
[0030] When outside air is delivered to the shell 1 through the air inlet end 3, the filter 805 in the hollow tube 801 is used to filter dust and impurities in the air, so as to prevent dust and impurities from contaminating the inside of the shell 1. When the vacuum main unit is not in use, the staff first loosens the multiple first bolts 12 on the second ring plate 9, and then removes the second ring plate 9 from the annular groove 803, and then inserts a finger into the embedded groove 14, removes the hollow tube 801 from the air inlet end 3, and cleans the dust and impurities on the filter 805.
[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A vacuum main engine with water cooling, comprising a housing (1) and two impellers (2), wherein the two impellers (2) are movably arranged inside the housing (1), an air inlet (3) is fixedly arranged on the top of the housing (1), and an exhaust port (4) is arranged on one side of the housing (1), characterized in that: A groove (5) is provided on a side of the housing (1) away from the exhaust port (4), a cooling channel (6) is fixedly provided in the groove (5), and a sealing cover (7) is provided in the groove (5); A filter assembly (8) is provided inside the air inlet end (3), and the filter assembly (8) comprises a hollow tube (801), a first ring plate (802) is fixedly sleeved on the outer wall of the hollow tube (801), an annular groove (803) is provided on the top of the air inlet end (3), the first ring plate (802) is inserted into the annular groove (803), a sleeve ring (804) is provided inside the hollow tube (801), and a filter net (805) is fixedly provided inside the sleeve ring (804) for filtering air; A second ring plate (9) is provided on the top of the first ring plate (802), the bottom of the second ring plate (9) is in contact with the top of the hollow tube (801), and the second ring plate (9) is inserted into the annular groove (803).
2. A vacuum mainframe with water cooling according to claim 1, characterized in that: A plurality of limit blocks (10) are fixedly provided on the outer wall of the first ring plate (802), a plurality of limit grooves (11) are opened on the inner wall of the annular groove (803), and the plurality of limit blocks (10) are respectively inserted into the plurality of limit grooves (11).
3. A vacuum mainframe with water cooling according to claim 2, characterized in that: The tops of the plurality of limit blocks (10) are in contact with the bottom of the second ring plate (9); the top of the second ring plate (9) is threadedly connected with a plurality of first bolts (12); the second ring plate (9) is fixed to the air inlet end (3) by the plurality of first bolts (12), so that the second ring plate (9) is easily disassembled.
4. A water-cooled vacuum mainframe according to claim 3, characterized in that: A plurality of receiving grooves (13) are provided on the top of the second ring plate (9), and a plurality of first bolts (12) are respectively arranged in the plurality of receiving grooves (13) to prevent the first bolts (12) from being exposed outside the second ring plate (9).
5. The vacuum mainframe with water cooling according to claim 1, characterized in that: The inner wall of the hollow tube (801) is provided with an embedding groove (14), the outer wall surface of the collar (804) and the inner wall surface of the hollow tube (801) are both processed with threads, and the collar (804) and the hollow tube (801) are threadedly connected to facilitate the removal of the collar (804).
6. The vacuum mainframe with water cooling according to claim 1, characterized in that: A linkage shaft (15) is fixedly provided at the front end of the impeller (2) close to one side of the casing (1), and both impellers (2) are connected to the casing (1) via bearings (16). An oil tank (17) is fixedly provided at the rear end of the casing (1), and an oil sight glass (18) is fixedly embedded at the rear end of the oil tank (17) to facilitate observation of the amount of oil in the oil tank (17).
7. The vacuum mainframe with water cooling according to claim 1, characterized in that: A sealing gasket (19) is fixedly provided on the inner wall of the sealing cover (7), and the sealing gasket (19) contacts the inner wall of the groove (5) to improve the sealing performance between the sealing cover (7) and the groove (5). The sealing cover (7) and the groove (5) are fixed by a plurality of second bolts (20) to facilitate the removal of the sealing cover (7).