CN217270712U - Improved oil-free high-temperature-resistant dry vacuum pump - Google Patents
Improved oil-free high-temperature-resistant dry vacuum pump Download PDFInfo
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- CN217270712U CN217270712U CN202122582303.7U CN202122582303U CN217270712U CN 217270712 U CN217270712 U CN 217270712U CN 202122582303 U CN202122582303 U CN 202122582303U CN 217270712 U CN217270712 U CN 217270712U
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Abstract
The utility model discloses an improved oil-free high temperature resistant dry vacuum pump, which belongs to the technical field of oil-free dry vacuum pumps, and the technical proposal key points of the vacuum pump comprise a vacuum pump body, a fixed plate and a second sealing plate are fixedly arranged at the left end inside the vacuum pump body from left to right in sequence, two bearings distributed up and down are arranged on the left side wall of the fixed plate in a penetrating way, rotating shafts are arranged on the inner rings of the two bearings, so that cooling liquid enters the inside of a cooling bin through a water inlet pipe in an accelerating way, then flows into the inside of two cooling pipes through a water outlet pipe in a continuing way, thereby leading the two cooling pipes to cool the vacuum pump body, conducting and radiating the heat of a vacuum pump shell through a plurality of radiating fins, and the cooling pipes can absorb the heat conducted by the radiating fins to lead the cooling pipe to release heat rapidly, and then when the cooling liquid flows into the cooling chamber through a water supply pipe, the rear shell can be cooled, the effect of rapid heat dissipation is achieved, and the high temperature resistance of the vacuum pump is improved.
Description
Technical Field
The utility model relates to an there is not oily dry vacuum pump technical field, in particular to improved oilless high temperature resistant dry vacuum pump.
Background
An oil-free dry mechanical vacuum pump (also called a dry mechanical pump for short) refers to a mechanical vacuum pump in which the pump can start to pump air from atmospheric pressure and can directly discharge the pumped air to the atmosphere, no oil or other working media exist in a pump cavity, and the limit pressure of the pump is the same magnitude as or close to that of an oil-sealed vacuum pump.
The existing oil-free dry type mechanical vacuum pump has the disadvantages of high heat generated by the pump and poor heat dissipation effect in the using process, so that the high temperature resistance of the pump is poor, and internal parts of the pump are easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above problem, provide an improved oilless high temperature resistant dry vacuum pump and solve above-mentioned problem.
The utility model discloses a realize like this, an improved oilless high temperature resistant dry vacuum pump that does not have, including the vacuum pump body, fixed plate and second closing plate are fixedly installed from left to right in proper order to the left end of vacuum pump body inside, the left side wall of fixed plate runs through and installs two bearings that distribute from top to bottom, and two the axis of rotation is all installed to the inner circle of bearing, and two the left end of axis of rotation is all fixedly installed with the gear, two the gear meshing is connected, two through-holes have been seted up to the left side wall of second closing plate, the right-hand member of axis of rotation passes through-hole and fixedly connected with conveying shaft, the inside wall of through-hole is provided with the draw-in groove, the lateral wall of axis of rotation right-hand member is fixed and is connected with the sealing ring, the sealing ring is located the inside of draw-in groove; and the cooling device is arranged on the outer side wall of the vacuum pump body and used for cooling the dry vacuum pump and improving the temperature resistance of the dry vacuum pump.
In order to reach quick heat release, high temperature resistance purpose, as the utility model discloses a modified does not have preferred of oily high temperature resistance dry vacuum pump, cooling device includes cooling bin and two cooling tubes, cooling bin fixed mounting is in the bottom of vacuum pump body lateral wall left end, two the cooling tube is all installed in the lateral wall of vacuum pump body, the intercommunication has the outlet pipe, two between cooling bin and the left side cooling tube through the connecting pipe intercommunication between the cooling tube, the lateral wall fixed mounting of cooling tube has a plurality of evenly distributed to be the fin of "U" type, the inside of the rear end embedding vacuum pump body lateral wall of fin, the bottom intercommunication that is located right side cooling tube outside lateral wall has the feed pipe.
In order to discharge the coolant liquid into the cooling chamber, carry out circulative cooling, as the utility model discloses a modified does not have oily high temperature resistant dry vacuum pump is preferred, there is the backshell right side wall of vacuum pump body through flange joint, the inside of backshell lateral wall is provided with the cooling chamber, the feed pipe is kept away from in the one end of right side cooling tube and the bottom intercommunication of cooling chamber, the top intercommunication of cooling chamber has the drain pipe, the other end of drain pipe extends to the outside of backshell.
In order to facilitate with the inside of coolant liquid water conservancy diversion to cooling bin, conduct the utility model discloses a modified does not have oily high temperature resistant dry vacuum pump is preferred, the preceding terminal surface intercommunication in cooling bin has the inlet tube, the water pump is installed to the lateral wall of inlet tube.
In order to prevent the inside of material entering backshell, as the utility model discloses a modified does not have oily high temperature resistant dry vacuum pump is preferred, vacuum pump body and the inside junction fixed mounting of backshell have first closing plate, the right-hand member of carrying the axle runs through first closing plate and extends to the right side of closing plate, carry the axle lateral wall and install the sealing washer with the inside junction of first closing plate.
For the convenience of making the main shaft rotate, conduct the utility model discloses a modified does not have oily high temperature resistant dry vacuum pump is preferred, the left side wall of vacuum pump body runs through and movable mounting has the main shaft, the right-hand member of main shaft and the gear fixed connection who is located the below.
Compared with the prior art, the beneficial effects of the utility model are that:
the improved oil-free high-temperature-resistant dry vacuum pump drives two gears to rotate by rotating a main shaft, so that the rotating shaft drives a conveying shaft to rotate to convey materials, the materials can be prevented from entering the inside of a bearing by a sealing ring to wear the rotating shaft, a water pump is started by connecting a water inlet pipe on a cooling device with an external cold liquid pipeline, so that cooling liquid enters the inside of a cooling bin through the water inlet pipe at an accelerated speed and then flows into the inside of two cooling pipes through a water outlet pipe, so that the two cooling pipes cool a vacuum pump body, heat of a vacuum pump shell is conducted and radiated by a plurality of radiating fins, the heat conducted by the radiating fins can be absorbed by the cooling pipes, the cooling liquid is rapidly radiated, when flowing into the cooling chamber through a water supply pipe, the rear shell can be cooled, and the cooling liquid is discharged into the cooling chamber through a water discharge pipe, therefore, the circulating cooling is carried out, the effect of quick heat dissipation is achieved, and the high temperature resistance of the vacuum pump is improved.
Drawings
FIG. 1 is a cross-sectional view of an improved oil-free high temperature resistant dry vacuum pump of the present invention;
FIG. 2 is a structural diagram of an improved oil-free high temperature resistant dry vacuum pump of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.
In the figure, 1, a vacuum pump body; 101. a main shaft; 102. a rear housing; 103. a first sealing plate; 1031. a seal ring; 2. a fixing plate; 201. a bearing; 202. a rotating shaft; 2021. a delivery shaft; 203. a gear; 3. a second sealing plate; 301. a through hole; 302. a card slot; 303. a seal ring; 4. a cooling device; 401. a cooling bin; 402. a water inlet pipe; 4021. a water pump; 403. a water outlet pipe; 5. a cooling tube; 501. a heat sink; 502. a connecting pipe; 6. a cooling chamber; 601. a water supply pipe; 602. and a drain pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, an improved oil-free high temperature resistant dry vacuum pump includes a vacuum pump body 1, a fixed plate 2 and a second sealing plate 3 are fixedly installed at the left end inside the vacuum pump body 1 from left to right in sequence, two bearings 201 distributed up and down are installed through the left side wall of the fixed plate 2, rotating shafts 202 are installed on the inner rings of the two bearings 201, gears 203 are fixedly installed at the left ends of the two rotating shafts 202, the two gears 203 are meshed and connected, two through holes 301 are formed in the left side wall of the second sealing plate 3, the right end of the rotating shaft 202 penetrates through the through hole 301 and is fixedly connected with a conveying shaft 2021, a clamping groove 302 is formed in the inner side wall of the through hole 301, a sealing ring 303 is fixedly sleeved on the outer side wall of the right end of the rotating shaft 202, and the sealing ring 303 is located inside the clamping groove 302; and the cooling device 4 is arranged on the outer side wall of the vacuum pump body 1, and is used for cooling the dry vacuum pump and improving the temperature resistance of the dry vacuum pump.
In this embodiment: through making main shaft 101 rotate and drive two gears 203 and rotate, make axis of rotation 202 drive and carry axle 2021 and rotate and carry the material, can prevent the material to get into inside bearing 201 through sealing ring 303, wearing and tearing axis of rotation 202, through being connected inlet tube 402 on cooling device 4 with outside cold liquid pipeline, start water pump 4021, make the coolant liquid with higher speed enter into the inside to cooling bin 401 through inlet tube 402, continue to the inside to flowing into two cooling tubes 5 through outlet pipe 403, thereby make two cooling tubes 5 cool down vacuum pump body 1, and carry out the conduction heat dissipation through the heat of a plurality of fin 501 with the vacuum pump shell, and cooling tube 5 can absorb the heat that fin 501 conducts, make it release heat fast, thereby reach the quick radiating purpose, increase the high temperature resistance of vacuum pump.
As a technical optimization scheme, cooling device 4 includes cooling bin 401 and two cooling tubes 5, cooling bin 401 fixed mounting is in the bottom of 1 lateral wall left end of vacuum pump body, two cooling tubes 5 are all installed in the lateral wall of vacuum pump body 1, the intercommunication has outlet pipe 403 between cooling bin 401 and the left side cooling tube 5, communicate through connecting pipe 502 between two cooling tubes 5, cooling tube 5's lateral wall fixed mounting has a plurality of evenly distributed to be the fin 501 of "U" type, the rear end embedding vacuum pump body 1 inside of lateral wall of fin 501, the bottom intercommunication that is located the 5 lateral walls of right side cooling tube has feed pipe 601.
In this embodiment: through setting up cooling device 4, with the pipe connection on inlet tube 402 and the outside refrigeration case, through starting water pump 4021, make the coolant liquid get into to the inside of cooling chamber 401 through inlet tube 402 with higher speed, then get into to the inside that is located left cooling tube 5 through outlet pipe 403, flow into gradually through connecting pipe 502 coolant liquid and be located the cooling tube 5 on the right side, thereby make two cooling tubes 5 cool down vacuum pump body 1, and carry out quick conduction through a plurality of fin 501 with the heat of vacuum pump shell, cooling tube 5 can absorb the heat of fin 501 conduction, reach quick heat release, high temperature resistant purpose.
As a technical optimization scheme of the utility model, the right side wall of vacuum pump body 1 has backshell 102 through flange joint, and the inside of backshell 102 lateral wall is provided with cooling chamber 6, and the feed pipe 601 is kept away from the one end of right side cooling tube 5 and the bottom intercommunication of cooling chamber 6, and the top intercommunication of cooling chamber 6 has drain pipe 602, and the other end of drain pipe 602 extends to the outside of backshell 102.
In this embodiment: when the coolant flows into the cooling chamber 6 through the water supply pipe 601, the cooling chamber 6 cools the rear case 102, and the coolant is discharged into the cooling chamber 6 through the drain pipe 602 to be circulated and cooled.
As a technical optimization scheme of the utility model, cooling bin 401's preceding terminal surface intercommunication has inlet tube 402, and water pump 4021 is installed to inlet tube 402's lateral wall.
In this embodiment: through starting water pump 4021, water pump 4021 can be with the coolant liquid suction inlet tube 402 in the refrigeration case to be convenient for inlet tube 402 with the inside of coolant liquid water conservancy diversion to cooling bin 401.
As a technical optimization scheme of the utility model, vacuum pump body 1 and the inside junction fixed mounting of backshell 102 have first closing plate 103, carry the right-hand member of axle 2021 to run through first closing plate 103 and extend to the right side of closing plate, carry the axle 2021 lateral wall and install sealing washer 1031 with the inside junction of first closing plate 103.
In this embodiment: when the conveying shaft 2021 rotates to convey the material, the sealing ring 1031 prevents the material from entering the inside of the rear housing 102 because the conveying shaft 2021 is in a rotating state.
As a technical optimization scheme of the utility model, the left side wall of vacuum pump body 1 runs through and movable mounting has main shaft 101, main shaft 101's right-hand member and the gear 203 fixed connection that is located the below.
In this embodiment: by connecting the main shaft 101 with a motor, the main shaft 101 is facilitated to be rotated.
The utility model discloses a theory of operation and use flow: firstly, the main shaft 101 is connected with the motor, so that the main shaft 101 drives the two gears 203 to rotate, the two gears 203 drive the rotating shaft 202 and the conveying shaft 2021 to rotate, the materials are conveyed, the materials can be prevented from entering the inside of the bearing 201 and the rear shell 102 through the sealing ring 303 and the sealing ring 1031, the cooling liquid is accelerated to enter the inside of the cooling bin 401 through the water inlet pipe 402 by connecting one end of the water inlet pipe 402 and one end of the water outlet pipe 602 with a pipeline on an external refrigeration box by starting the water pump 4021, then enters the inside of the cooling pipe 5 on the left side through the water outlet pipe 403, the cooling liquid gradually flows into the cooling pipe 5 on the right side through the connecting pipe 502, so that the two cooling pipes 5 cool the vacuum pump body 1, and the heat of the vacuum pump shell is quickly conducted through the plurality of cooling fins 501, and the cooling pipe 5 can absorb the heat conducted by the cooling fins 501, when heat is rapidly released and then the coolant flows into the cooling chamber 6 through the water supply pipe 601, the rear case 102 is cooled, and the coolant is discharged into the cooling chamber 6 through the drain pipe 602 to perform circulation cooling, thereby increasing the high temperature resistance of the vacuum pump.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. An improved oil-free high temperature resistant dry vacuum pump, comprising:
a vacuum pump body (1), wherein a fixing plate (2) and a second sealing plate (3) are fixedly arranged at the left end inside the vacuum pump body (1) from left to right in sequence, two bearings (201) which are distributed up and down are arranged on the left side wall of the fixing plate (2) in a penetrating manner, rotating shafts (202) are arranged on the inner rings of the two bearings (201), gears (203) are fixedly arranged at the left ends of the two rotating shafts (202), the two gears (203) are connected in a meshing manner, the left side wall of the second sealing plate (3) is provided with two through holes (301), the right end of the rotating shaft (202) passes through the through hole (301) and is fixedly connected with a conveying shaft (2021), a clamping groove (302) is formed in the inner side wall of the through hole (301), a sealing ring (303) is fixedly sleeved on the outer side wall of the right end of the rotating shaft (202), and the sealing ring (303) is located inside the clamping groove (302);
and the cooling device (4) is arranged on the outer side wall of the vacuum pump body (1) and is used for cooling the dry vacuum pump and improving the temperature resistance of the dry vacuum pump.
2. An improved oil-free high temperature resistant dry vacuum pump as claimed in claim 1, wherein: cooling device (4) are including cooling bin (401) and two cooling tube (5), cooling bin (401) fixed mounting is in the bottom of vacuum pump body (1) lateral wall left end, two cooling tube (5) are all installed in the lateral wall of vacuum pump body (1), the intercommunication has outlet pipe (403) between cooling bin (401) and left side cooling tube (5), two through connecting pipe (502) intercommunication between cooling tube (5), the lateral wall fixed mounting of cooling tube (5) has a plurality of evenly distributed to be fin (501) of "U" type, the rear end embedding vacuum pump body (1) the inside of lateral wall of fin (501), and the bottom intercommunication that is located right side cooling tube (5) lateral wall has water feed pipe (601).
3. An improved oil-free high temperature resistant dry vacuum pump as claimed in claim 2, wherein: the right side wall of vacuum pump body (1) has backshell (102) through flange joint, the inside of backshell (102) lateral wall is provided with cooling chamber (6), the one end of keeping away from right side cooling tube (5) in feed pipe (601) communicates with the bottom of cooling chamber (6), the top intercommunication of cooling chamber (6) has drain pipe (602), the other end of drain pipe (602) extends to the outside of backshell (102).
4. An improved oil-free high temperature resistant dry vacuum pump as claimed in claim 2, wherein: the front end face of the cooling bin (401) is communicated with a water inlet pipe (402), and a water pump (4021) is installed on the outer side wall of the water inlet pipe (402).
5. An improved oil-free high temperature resistant dry vacuum pump as claimed in claim 3, wherein: a first sealing plate (103) is fixedly mounted at the connection position of the vacuum pump body (1) and the interior of the rear shell (102), the right end of the conveying shaft (2021) penetrates through the first sealing plate (103) and extends to the right side of the sealing plate, and a sealing ring (1031) is mounted at the connection position of the outer side wall of the conveying shaft (2021) and the interior of the first sealing plate (103).
6. An improved oil-free high temperature resistant dry vacuum pump as claimed in claim 1, wherein: the vacuum pump comprises a vacuum pump body (1), wherein a main shaft (101) penetrates through the left side wall of the vacuum pump body and is movably installed on the left side wall of the vacuum pump body, and the right end of the main shaft (101) is fixedly connected with a gear (203) located below the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122582303.7U CN217270712U (en) | 2021-10-26 | 2021-10-26 | Improved oil-free high-temperature-resistant dry vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122582303.7U CN217270712U (en) | 2021-10-26 | 2021-10-26 | Improved oil-free high-temperature-resistant dry vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217270712U true CN217270712U (en) | 2022-08-23 |
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ID=82853158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122582303.7U Active CN217270712U (en) | 2021-10-26 | 2021-10-26 | Improved oil-free high-temperature-resistant dry vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217270712U (en) |
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2021
- 2021-10-26 CN CN202122582303.7U patent/CN217270712U/en active Active
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