CN211082262U - Large-pressure-difference roots vacuum pump - Google Patents
Large-pressure-difference roots vacuum pump Download PDFInfo
- Publication number
- CN211082262U CN211082262U CN201921824194.1U CN201921824194U CN211082262U CN 211082262 U CN211082262 U CN 211082262U CN 201921824194 U CN201921824194 U CN 201921824194U CN 211082262 U CN211082262 U CN 211082262U
- Authority
- CN
- China
- Prior art keywords
- pump
- roots vacuum
- pressure
- backing
- vacuum pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model belongs to the technical field of roots vacuum pump, especially, relate to a big pressure difference roots vacuum pump, including backing pump and the pump body, the bottom bolt of backing pump has the mount pad, all bolts have fastening bolt around the mount pad top, the center department integrated into one piece at backing pump top has the air inlet flange, the positive center department integrated into one piece of backing pump has the gas vent flange, the center department bolt at pump body top has the controller, the right side bolt of the pump body has fan cover, the inner chamber of backing pump is provided with the air pressure control mechanism; the utility model discloses when using, the user can control the pressure release to the atmospheric pressure in the preceding stage pump chamber through baroceptor, snuffle, motorised valve, alarm lamp, display screen, microprocessor, control module, alarm module and display module's cooperation, avoids pressure to cause preceding stage pump and pump body internal part to damage, has solved the problem that current roots vacuum pump does not possess the pneumatic control function.
Description
Technical Field
The utility model relates to a roots vacuum pump technical field especially relates to a big pressure differential roots vacuum pump.
Background
The Roots vacuum pump is a variable displacement vacuum pump in which two blade-shaped rotors rotating synchronously in opposite directions are arranged in the pump, small gaps are formed between the rotors and the inner wall of a pump shell, and the rotors and the inner wall of the pump shell are not in contact with each other.
Can often use roots vacuum pump in industrial equipment production process, however roots vacuum pump chamber interior lobe rotor carries out when rotating at a high speed, can form very big atmospheric pressure in roots vacuum pump chamber, however current roots vacuum pump does not possess the atmospheric pressure control function, and great pressure can cause roots vacuum pump internals to damage, shortens roots vacuum pump's normal life.
In order to solve the problems, the application provides a roots vacuum pump with large pressure difference.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For the technical problem who exists among the solution background art, the utility model provides a big pressure differential roots vacuum pump has the characteristics of pneumatic control function.
(II) technical scheme
In order to solve the problem, the utility model provides a big pressure differential roots vacuum pump, including the backing pump and the pump body, the bottom bolt of backing pump has the mount pad, the equal bolt all around at mount pad top has fastening bolt, the center department integrated into one piece at backing pump top has the air inlet flange, the positive center department integrated into one piece at backing pump has the gas vent flange, the center department bolt at pump body top has the controller, the right side bolt of the pump body has fan cover, the inner chamber of backing pump is provided with air pressure control mechanism.
Preferably, the inner chamber of controller is bolted respectively has microprocessor, control module, alarm module and display module, atmospheric pressure control mechanism includes baroceptor, disappointing pipe, motorised valve, alarm lamp, display screen, microprocessor, control module, alarm module and display module, the baroceptor has been inlayed in the left side at backing pump inner chamber top, the positive left top intercommunication of backing pump has disappointing pipe, the inner chamber intercommunication of disappointing pipe has the motorised valve, the left side bolt at controller top has the alarm lamp, the positive top of controller is inlayed and is equipped with the display screen.
Preferably, the output end of the air pressure sensor is in one-way electric connection with the input end of the microprocessor, the output end of the microprocessor is in interactive connection with the input ends of the control module, the display module and the alarm module respectively, and the output ends of the control module, the display module and the alarm module are in one-way electric connection with the input ends of the electric valve, the display screen and the alarm lamp respectively.
Preferably, the seal groove has been seted up to the one end ring shape that the backing pump was kept away from to air inlet flange and gas vent flange, the inner chamber of seal groove bonds through powerful sealed glue has the sealing washer.
Preferably, the lifting lugs are welded on the two sides of the top of the backing pump, trapezoidal radiating grooves are formed in the periphery of the left side of the pump body, and the area of each trapezoidal radiating groove is sequentially increased from left to right.
Preferably, all seted up the arc radiating groove around the fan casing right side, circular radiating groove has been seted up to the opposite one side of arc radiating groove, arc radiating groove and circular radiating groove all set up to cellular structure.
Preferably, the bottom of the mounting seat is adhered with a shock-absorbing rubber pad through a strong adhesive, and the thickness of the shock-absorbing rubber pad is at least one centimeter.
The above technical scheme of the utility model has following profitable technological effect:
1. when the utility model is used, a user can control the air pressure in the backing pump cavity to release pressure through the matching of the air pressure sensor, the air release pipe, the electric valve, the alarm lamp, the display screen, the microprocessor, the control module, the alarm module and the display module, thereby avoiding the damage of the backing pump and the internal parts of the pump body caused by the pressure intensity and solving the problem that the existing Roots vacuum pump does not have the air pressure control function;
2. the utility model discloses a seal groove and sealing washer, reinforcing air inlet flange and gas vent flange joint position's gas tightness avoids air inlet flange and gas vent flange joint department to take place to lose heart, through the lug, the person of being convenient for use carries out whole hoist and mount to the backing pump and the pump body, through trapezoidal radiating groove, strengthens the radiating effect of the pump body, all sets up to honeycomb through arc radiating groove and circular radiating groove for the speed of heat discharge fan casing, through the shock-absorbing rubber pad, reduce the vibration intensity and the noise of mount pad.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the fan cover of the present invention;
fig. 3 is a schematic diagram of the system of the present invention.
Reference numerals:
1. a backing pump; 2. a pump body; 3. a mounting seat; 4. an air inlet flange; 5. an exhaust port flange; 6. a controller; 7. a fan housing; 8. an air pressure control mechanism; 81. an air pressure sensor; 82. an air escape pipe; 83. an electrically operated valve; 84. an alarm lamp; 85. a display screen; 9. a sealing groove; 10. a seal ring; 11. lifting lugs; 12. a trapezoidal heat dissipation groove; 13. an arc-shaped heat dissipation groove; 14. circular radiating groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the utility model provides a big pressure differential roots vacuum pump, including the backing pump 1 and the pump body 2, the bottom bolt of backing pump 1 has mount pad 3, and all bolts all around at mount pad 3 top have fastening bolt, and the center department integrated into one piece at backing pump 1 top has air inlet flange 4, and the positive center department integrated into one piece of backing pump 1 has gas vent flange 5, and the center department bolt at the top of the pump body 2 has controller 6, and the right side bolt of the pump body 2 has fan cover 7, and the inner chamber of backing pump 1 is provided with air pressure control mechanism 8.
As shown in fig. 1 and fig. 3, the inner chamber of the controller 6 is respectively bolted with a microprocessor, a control module, an alarm module and a display module, the air pressure control mechanism 8 comprises an air pressure sensor 81, an air release pipe 82, an electric valve 83, an alarm lamp 84, a display screen 85, a microprocessor, a control module, an alarm module and a display module, the air pressure sensor 81 is embedded on the left side of the top of the inner chamber of the backing pump 1, the air release pipe 82 is communicated with the top on the left side of the front of the backing pump 1, the electric valve 83 is communicated with the inner chamber of the air release pipe 82, the alarm lamp 84 is bolted on the left side of the top of the controller 6, the display screen 85 is embedded on the top of the front of the controller 6, the air pressure in the chamber of the backing pump 1 can be controlled.
As shown in fig. 1 and 3, the output end of the air pressure sensor 81 is in one-way electrical connection with the input end of the microprocessor, the output end of the microprocessor is respectively in interactive connection with the input ends of the control module, the display module and the alarm module, the output ends of the control module, the display module and the alarm module are respectively in one-way electrical connection with the input ends of the electric valve 83, the display screen 85 and the alarm lamp 84, the model and the internal structure of each module belong to the prior art, and the circuit connection mode between the modules can be realized according to the prior art.
As shown in fig. 1, a sealing groove 9 is annularly formed in one end of each of the air inlet flange 4 and the air outlet flange 5, which is far away from the backing pump 1, and a sealing ring 10 is bonded to an inner cavity of the sealing groove 9 through a strong sealant, so that the air tightness of the connecting position of the air inlet flange 4 and the air outlet flange 5 is enhanced, and the air leakage at the connecting position of the air inlet flange 4 and the air outlet flange 5 is avoided.
As shown in fig. 1, lugs 11 are welded on two sides of the top of the backing pump 1, so that a user can integrally hoist the backing pump 1 and the pump body 2, trapezoidal heat dissipation grooves 12 are formed in the periphery of the left side of the pump body 2, the area of each trapezoidal heat dissipation groove 12 is increased from left to right in sequence, and the heat dissipation effect of the pump body 2 is enhanced.
As shown in fig. 2, arc radiating grooves 13 have been all seted up around fan casing 7 right side, circular radiating groove 14 has been seted up to one side that arc radiating grooves 13 are opposite, and arc radiating grooves 13 and circular radiating groove 14 all set up to honeycomb structure for the speed of heat discharge fan casing 7.
As shown in fig. 1, a shock-absorbing rubber pad is adhered to the bottom of the mounting seat 3 through a strong adhesive, and the thickness of the shock-absorbing rubber pad is at least one centimeter, so that the vibration intensity and the noise of the mounting seat 3 are reduced.
The utility model provides a pair of big pressure differential roots vacuum pump's theory of operation as follows:
when the pressure monitoring device is used, when the pressure intensity in the cavity of the backing pump 1 exceeds the preset safety value of the pressure sensor 81, the pressure sensor 81 sends an instruction to the microprocessor, the microprocessor analyzes and processes information data and then sends the information data to the control module and the alarm module, the control module controls the electric valve 83 to be opened, gas is discharged from the gas release pipe 82, the pressure intensity in the cavity of the backing pump 1 is reduced, the alarm module controls the alarm lamp 84 to be turned on to alarm peripheral personnel, the peripheral personnel can take corresponding measures for the backing pump 1 and the pump body 2 in time, and the display module controls the display screen 85 to display the pressure intensity value in real time.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a big pressure differential roots vacuum pump, includes backing pump (1) and the pump body (2), its characterized in that, mounting seat (3) have been bolted to the bottom of backing pump (1), fastening bolt has all been bolted all around at mounting seat (3) top, the center department integrated into one piece at backing pump (1) top has air inlet flange (4), the positive center department integrated into one piece of backing pump (1) has gas vent flange (5), the center department bolt at the pump body (2) top has controller (6), the right side bolt of the pump body (2) has fan cover (7), the inner chamber of backing pump (1) is provided with air pressure control mechanism (8).
2. The large differential pressure Roots vacuum pump according to claim 1, wherein the inner cavity of the controller (6) is respectively bolted with a microprocessor, a control module, an alarm module and a display module, the air pressure control mechanism (8) comprises an air pressure sensor (81), an air release pipe (82), an electric valve (83), an alarm lamp (84), a display screen (85), the microprocessor, the control module, the alarm module and the display module, the air pressure sensor (81) is embedded in the left side of the top of the inner cavity of the backing pump (1), the air release pipe (82) is communicated with the top of the front left side of the backing pump (1), the electric valve (83) is communicated with the inner cavity of the air release pipe (82), the alarm lamp (84) is bolted to the left side of the top of the controller (6), and the display screen (85) is embedded in the top of the front of the controller (6).
3. The large-pressure-difference roots vacuum pump as claimed in claim 2, wherein the output end of the air pressure sensor (81) is in one-way electric connection with the input end of the microprocessor, the output end of the microprocessor is in interactive connection with the input ends of the control module, the display module and the alarm module respectively, and the output ends of the control module, the display module and the alarm module are in one-way electric connection with the input ends of the electric valve (83), the display screen (85) and the alarm lamp (84) respectively.
4. The large-pressure-difference roots vacuum pump as claimed in claim 1, wherein one ends of the air inlet flange (4) and the air outlet flange (5) far away from the backing pump (1) are annularly provided with sealing grooves (9), and sealing rings (10) are bonded in inner cavities of the sealing grooves (9) through strong sealing glue.
5. The large-pressure-difference roots vacuum pump as claimed in claim 1, wherein lifting lugs (11) are welded on two sides of the top of the backing pump (1), trapezoidal heat dissipation grooves (12) are formed in the periphery of the left side of the pump body (2), and the areas of the trapezoidal heat dissipation grooves (12) are sequentially increased from left to right.
6. The large-pressure-difference roots vacuum pump as claimed in claim 1, wherein arc-shaped heat dissipation grooves (13) are formed in the periphery of the right side of the fan housing (7), circular heat dissipation grooves (14) are formed in the opposite sides of the arc-shaped heat dissipation grooves (13), and the arc-shaped heat dissipation grooves (13) and the circular heat dissipation grooves (14) are both arranged to be of a honeycomb structure.
7. A large differential pressure roots vacuum pump according to claim 1, wherein the bottom of the mounting seat (3) is glued with a cushion rubber pad by a strong glue, and the cushion rubber pad has a thickness of at least one centimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921824194.1U CN211082262U (en) | 2019-10-28 | 2019-10-28 | Large-pressure-difference roots vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921824194.1U CN211082262U (en) | 2019-10-28 | 2019-10-28 | Large-pressure-difference roots vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082262U true CN211082262U (en) | 2020-07-24 |
Family
ID=71625782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921824194.1U Expired - Fee Related CN211082262U (en) | 2019-10-28 | 2019-10-28 | Large-pressure-difference roots vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211082262U (en) |
-
2019
- 2019-10-28 CN CN201921824194.1U patent/CN211082262U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206035814U (en) | Supplementary vacuum pump | |
| CN102943759A (en) | Electric vacuum pump | |
| CN211082262U (en) | Large-pressure-difference roots vacuum pump | |
| CN215245767U (en) | Air pump unit, air pump module and vacuum sealing machine | |
| CN206158973U (en) | Diaphragm formula electric vacuum pump for car | |
| CN209743157U (en) | Rotary-vane electric vacuum pump | |
| CN220022540U (en) | Motor pump assembly, suspension system and vehicle | |
| CN219317185U (en) | Static vortex disc for vortex compressor | |
| CN214145840U (en) | Membrane vacuum pump is used in vital gluten processing | |
| CN218093471U (en) | Pore discharge machine water pump | |
| CN211448952U (en) | Noise reduction structure rack with enlarged exhaust containing cavity | |
| CN2481875Y (en) | Sealing diaphragm of exhaust port for vacuum pump | |
| CN210949054U (en) | Baffle-integrated box and air compressor | |
| CN210971701U (en) | Low-noise energy-saving large-suction vacuum compression bag air pump | |
| CN211764057U (en) | Rubber ring for perforated laminated glass | |
| CN218107099U (en) | Compressed air pipeline filter | |
| CN214660839U (en) | Special air compressor of medical oxygen generation system | |
| CN220687575U (en) | Internal gear pump capable of operating in forward and reverse directions | |
| CN212272512U (en) | Valve plate for vehicle double-diaphragm vacuum pump | |
| CN202545332U (en) | Pump body and shell sealing structure of self-sucking pump | |
| CN102996443A (en) | Scroll compressor | |
| CN212338177U (en) | Mechanical sealing structure with strong back pressure bearing capacity | |
| CN211448980U (en) | Dustproof and waterproof's air compressor structure | |
| CN216519282U (en) | Automobile air conditioner electromagnetic clutch with dustproof function | |
| CN215890554U (en) | Double-pump-body high-pressure fan adopting double-shaft motor structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 Termination date: 20201028 |