CN114229783A - Novel oil gas recovery pump and oiling machine - Google Patents
Novel oil gas recovery pump and oiling machine Download PDFInfo
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- CN114229783A CN114229783A CN202210013178.4A CN202210013178A CN114229783A CN 114229783 A CN114229783 A CN 114229783A CN 202210013178 A CN202210013178 A CN 202210013178A CN 114229783 A CN114229783 A CN 114229783A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/42—Filling nozzles
- B67D7/54—Filling nozzles with means for preventing escape of liquid or vapour or for recovering escaped liquid or vapour
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Abstract
The invention discloses a novel oil gas recovery pump and an oiling machine, wherein a base and a connecting seat are matched with the upper end and the lower end of a first shell, a sealed cavity is formed in the first shell, an air guide groove is correspondingly arranged on the connecting seat, a connecting joint for oil gas input and output is connected by matching with an extending part on the connecting seat, a rotor is ingeniously eccentrically arranged in the first shell, blades are correspondingly arranged on the rotor in a penetrating way, the rotor is driven to rotate by a motor, so that the blades can push the air in the first shell to transfer while forming negative pressure in the first shell when the rotor rotates, the connecting joint as an input end sucks oil gas into the first shell and outputs the oil gas from the connecting joint as an output end in a one-way manner, the heat production problem of the rotor during working is further considered, the durability of the rotor is improved by respectively arranging a first gasket and a second gasket at the upper end and the lower end of the first shell, the device of the scheme has stronger durability, good working performance continuity and effectively ensured service life.
Description
Technical Field
The invention relates to the field of pump machine technology and oiling machine devices, in particular to a novel oil-gas recovery pump and an oiling machine.
Background
The oil gas recovery of the oiling machine is taken as energy-saving and environment-friendly operation of the oiling equipment which is hot at present, an oil gas recovery pipeline is arranged on an oil gun of the oiling machine, oil gas generated during oiling is absorbed and recovered by combining a negative pressure device, so that the oil gas overflow of the oiling gun is avoided, the air cleanliness of the oiling station can be effectively improved on one hand, the potential safety hazard of large amount of oil gas loss can be eliminated on the other hand, and the loss of available energy is reduced, although some oil gas recovery pumps for the oiling machine are sold in the market at present, most of the existing oiling machine oil gas recovery pumps have complex transmission structures, after long-term operation, the equipment needs frequent maintenance or part replacement due to the abrasion of parts, in addition, the traditional oil gas recovery pump needs complex supporting operation when being installed due to complex structure, to a certain extent, the installation efficiency of the device is affected.
Disclosure of Invention
In view of the above, the present invention is directed to a novel oil and gas recovery pump and a refueling truck which are reliable in implementation, convenient in operation and flexible in use.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a novel vapor recovery system pump, connects in the vapor recovery system pipeline of tanker aircraft and is used for providing the required negative pressure of vapor recovery system, and it includes:
the first shell is a cylindrical structure with two open ends;
the rotor is eccentrically arranged in the first shell, a first area and a second area which are communicated with each other are formed on two sides of the position with the maximum distance between the rotor and the inner wall of the first shell, a plurality of slots which extend in the radial direction are arranged on the peripheral side of the rotor, sinking grooves are arranged in the middle of the upper end surface and the lower end surface of the rotor, and the end parts of the slots, which are close to the radial center of the rotor, extend into the sinking grooves;
the blades are multiple and correspond to the slots on the rotor one by one and are arranged in the slots in a sliding and penetrating manner;
the elastic rings are a pair and are respectively arranged in the sinking grooves on the upper end surface and the lower end surface of the rotor, the outer walls of the elastic rings are abutted against the end parts of the blades far away from the inner wall of the first shell, and the blades are abutted against the inner wall of the first shell close to the inner wall of the first shell;
the base is relatively and fixedly connected with the lower end face of the first shell;
the connecting seat is fixedly connected with the upper end face of the first shell, and a pair of air guide grooves which are oppositely arranged and are communicated with the first area and the second area in a one-to-one correspondence manner are arranged on the end face, close to the first shell, of the connecting seat;
the first gasket is arranged between the connecting seat and the upper end surface of the first shell and separates the pair of air guide grooves, and the first gasket is provided with an avoidance through groove corresponding to the structure of the pair of air guide grooves;
the connecting joints are in a pair and are connected with the air guide grooves in a one-to-one correspondence manner;
the power unit is arranged on one side of the base, which is far away from the first shell, the power output end of the power unit penetrates through the base and is fixedly connected with the rotor, the power unit drives the rotor to rotate, so that the blades which are inserted into the slots on the rotor in a sliding mode rotate, gas in the first area is pushed to the second area and is output by the gas guide grooves and the connecting joints corresponding to the second area, negative pressure is generated in the first area, or the gas in the second area is pushed to the first area and is output by the gas guide grooves and the connecting joints corresponding to the first area, and negative pressure is generated in the second area.
As a possible implementation manner, further, this scheme still includes the second gasket, the second gasket is fixed to be set up under first casing between terminal surface and the base up end, base up end middle part still corresponds the rotor profile and is equipped with the heavy groove of buffering, as a size example, the degree of depth of the heavy groove of buffering is 1 ~ 3mm, but this scheme is not restricted to this size, first gasket and second gasket are elasticity wear-resisting gasket.
As a better implementation option, preferably, an extension portion is arranged on the end face, away from the first shell, of the connecting seat, the extension portion is provided with a pair of insertion ports which are in one-to-one correspondence with the air guide grooves and penetrate into the air guide grooves, a pair of connecting joints is in one-to-one correspondence with the pair of insertion ports, one end of each connecting joint is inserted and fixed in each insertion port, and a fire stopping ring is further arranged between the bottom of each insertion port and the air guide grooves.
As a preferred implementation option, preferably, the upper end surface and the lower end surface of the first housing are both provided with a first O-shaped sealing ring, and the end portion of the connection joint inserted and fixed in the insertion port is provided with a second O-shaped sealing ring.
As a preferred implementation option, preferably, the present solution further includes a heat dissipation sleeve, the heat dissipation sleeve is fixedly sleeved on the outer peripheral side of the first housing, the lower portion of the outer peripheral side of the first housing is provided with an overlapping portion of an annular structure, and the lower end of the heat dissipation sleeve abuts against the overlapping portion and the lower end of the heat dissipation sleeve does not exceed the lower end face of the first housing.
As a preferred implementation choice, preferably, the present solution further includes a plurality of first bolts and a plurality of second bolts;
the first bolts are arranged in a circular array, and the thread ends of the first bolts penetrate through the connecting seat from the edge thread of the upper end face of the connecting seat and are locked with the thread of the upper end of the heat dissipation sleeve;
in addition, a plurality of second bolts are arranged in a circular array, the thread ends of the second bolts penetrate through the base through the threads at the edge of the lower end face of the base and are locked with the threads at the lower end of the heat dissipation sleeve, and the first shell is indirectly clamped and fixed between the connecting seat and the base.
As a possible implementation manner, further, the scheme further includes a second housing and a connecting cover, the second housing is a cylindrical structure, the upper end of the second housing is fixedly connected with the base, the power unit is disposed in the second housing, and the connecting cover is detachably fixed at the lower end of the second housing.
As a preferred implementation choice, preferably, the power unit is a motor, a driving shaft of the motor penetrates through the base and is fixedly connected with the rotor, the base is correspondingly provided with a penetrating hole for the driving shaft of the motor to penetrate through, and the penetrating hole is further provided with an oil seal matched with the driving shaft of the motor.
As a possible implementation manner, further, the elastic ring comprises a main body part in an annular structure and an elastic member in a wavy annular structure, wherein the inner wall of the main body part is provided with a containing groove, and the elastic member is arranged in the containing groove.
Based on the scheme, the invention also provides the oiling machine which comprises the novel oil gas recovery pump.
Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that: the scheme is characterized in that a base and a connecting seat are matched with the upper end and the lower end of a first shell, a relatively sealed cavity is formed in the first shell, an air guide groove is correspondingly arranged on the connecting seat, an extending part on the connecting seat is matched to connect a connecting joint for oil gas input and output, a rotor is ingeniously eccentrically arranged in the first shell, blades are correspondingly arranged on the rotor in a penetrating way, a motor is used as a power unit to drive the rotor to rotate, the blades can push air in the first shell to transfer and simultaneously form negative pressure in the first shell when the rotor rotates, the connecting joint used as an input end sucks oil gas into the first shell, and the oil gas is output in a single direction from the connecting joint used as an output end, the heat production problem during the working of the rotor is further considered, and the first gasket and a second gasket are respectively arranged at the upper end and the lower end of the first shell to improve the durability of the rotor, simultaneously, base up end middle part still corresponds the rotor profile and is equipped with the heavy groove of buffering, through the setting in the heavy groove of buffering, can be so that the rotor when being heated, the effort that its self inflation produced promotes the second gasket and takes place deformation, make it warp along the heavy groove direction of buffering, make the cooperation space increase of rotor, avoid the rotor when being heated, cause too big friction interference to first gasket and second gasket, the durability of the device of this scheme of order is stronger, the working property continuation is good, life obtains effectively guaranteeing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic three-dimensional view of a schematic structure embodying aspects of the present invention;
FIG. 2 is a schematic three-dimensional sectional view of a schematic embodiment of the present invention;
FIG. 3 is one of the schematic two-dimensional sectional views of the schematic structure of the embodiment of the present invention;
FIG. 4 is a schematic diagram of a partial explosion of a schematic implementation of the solution of the invention;
FIG. 5 is an exploded view of one of the schematic embodiments of the present invention;
FIG. 6 is a second schematic diagram of an exploded view of a schematic embodiment of the present invention;
FIG. 7 is a schematic diagram of the first housing, the rotor, and the blade of the present invention, in which the gap formed between the rotor and the inner wall of the first housing is divided into a first area and a second area by an imaginary line, the first area and the second area having an accommodation space;
fig. 8 is a three-dimensional sectional view of a schematic embodiment of an elastic ring according to aspects of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Similarly, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive work are within the scope of the present invention.
As shown in one of fig. 1 to 8, the present solution is a novel oil vapor recovery pump, which is connected to an oil vapor recovery pipeline of a refueling machine and used for providing negative pressure required by oil vapor recovery, and the structure of the novel oil vapor recovery pump includes:
a first housing 1 having a cylindrical structure with both open ends;
the rotor 2 is eccentrically arranged in the first shell 1, a first area 12 and a second area 13 which are communicated with each other are formed on two sides of the maximum distance position between the rotor 2 and the inner wall of the first shell 1, a plurality of slots 21 which extend in the radial direction are arranged on the peripheral side of the rotor 2, a sunken groove 22 is arranged in the middle of each of the upper end face and the lower end face of the rotor 2, and the end part, close to the radial center of the rotor 2, of each slot 21 extends into the sunken groove 22;
the blades 3 are multiple and correspond to the slots 21 on the rotor 2 one by one and are slidably inserted into the slots 21, as an implementation example, in the structure shown in fig. 7 of the present solution, the number of the blades 3 is 7, and the blades are arranged in an equiangular circular array, but the implementation number and the arrangement mode of the specific blades 3 of the present solution are not limited to those shown in fig. 7;
the elastic rings 4 are a pair and are respectively arranged in the sinking grooves 22 on the upper end surface and the lower end surface of the rotor 2, the outer wall of each elastic ring 4 is abutted against the end part of each blade 3 far away from the inner wall of the first shell 1, and the inner wall of each blade 3 close to the first shell 1 is abutted against the inner wall of the first shell 1;
the base 5 is relatively and fixedly connected with the lower end face of the first shell 1;
the connecting seat 6 is fixedly connected with the upper end face of the first shell 1, and a pair of air guide grooves 65 which are oppositely arranged and communicated with the first area 12 and the second area 13 in a one-to-one correspondence manner are arranged on the end face, close to the first shell 1, of the connecting seat 6;
the first gasket 7 is arranged between the connecting seat 6 and the upper end face of the first shell 1 and divides the pair of air guide grooves 65, and the first gasket 7 is provided with an avoiding through groove 71 corresponding to the structure of the pair of air guide grooves 65;
the connecting joints 8 are in a pair and are connected with the air guide grooves 65 in a one-to-one correspondence manner;
a power unit 9 disposed on a side of the base 5 away from the first housing 1, wherein a power output end of the power unit passes through the base 5 and is fixedly connected to the rotor 2, the power unit 9 drives the rotor 2 to rotate, so that the blades 3 slidably inserted into the slots 21 of the rotor 2 rotate, the air in the first region 12 is pushed to the second region 13 and is output by the air guide slots 65 and the connection joints 8 corresponding to the second region 13, so that a negative pressure is generated in the first region 12 or the air in the second region 13 is pushed to the first region 12 and is output by the air guide slots 65 and the connection joints 8 corresponding to the first region 12, so that a negative pressure is generated in the second region 13, for example, as shown in fig. 7, if the power unit 9 drives the rotor 2 to rotate clockwise, the air in the first region 12 is pushed to the second region 13, and as the second region 13 moves along with the rotor, a space formed between the blades 3 is reduced in volume, therefore, the gas therein is pressed into the gas guide groove 65 and the connecting joint 8 corresponding to the second area 13 for output, at this time, the connecting joint 8 corresponding to the second area 13 can be set as an output joint (i.e. the connecting joint of the reference numeral 81), and the gas in the first area 12 is pushed to the second area 13, at this time, the first area 12 forms negative pressure, so that the gas guide groove 65 and the connecting joint 8 corresponding to the first area 12 are drawn to suck oil gas negative pressure into the first area 12, at this time, the connecting joint 8 corresponding to the first area 12 can be set as an input joint (i.e. the connecting joint of the reference numeral 82).
In order to improve the air tightness and durability, as a possible implementation manner, the present solution further includes a second gasket 53, the second gasket 53 is fixedly disposed between the lower end surface of the first casing 1 and the upper end surface of the base 5, the first gasket 7 and the second gasket 53 are both elastic wear-resistant gaskets, when the rotor 2 is driven to rotate by the power unit 9, the gas inside the rotor 2 is compressed, and simultaneously, the operation of the rotor 2 itself drives the blades 3 to contact with the inner wall of the first casing 1, so that a certain friction force is generated, when the device is operated, a large amount of heat is generated in the first casing 1, when the device is assembled, the device has already formed relatively precise assembly to a certain extent, and when the rotor 2 is heated, the rotor 2 expands, and when the device is continuously operated, the rotor and the first gasket 7 may be improved, The contact friction force of the second gasket 53 increases the working resistance, and meanwhile, the matching abrasion may be aggravated, therefore, in the present scheme, the middle part of the upper end surface of the base 5 is further provided with a buffer sinking groove 51 corresponding to the outline of the rotor 2, as an example of a size, the depth of the buffer sinking groove 51 is 1-3 mm, but the present scheme is not limited to the size, through the arrangement of the buffer sinking groove 51, the rotor 2 can be heated, the acting force generated by the expansion of the rotor 2 pushes the second gasket 53 to deform, so that the second gasket deforms along the direction of the buffer sinking groove 51, the matching space of the rotor 2 is increased, and the excessive friction interference caused to the first gasket 7 and the second gasket 53 when the rotor 2 is heated is avoided, if the friction interference is too large, after the cooling machine, the matching gap may be further enlarged, and the negative pressure forming capability is affected, and meanwhile, the structure of the scheme can also improve the first gasket 7, Second spacer 53, the operational life of rotor 2, and the operational output efficiency of power unit 9.
For installation convenience and use safety, in the scheme, an extension part 61 is arranged on the end face, away from the first shell 1, of the connecting seat 6, the extension part 61 is provided with a pair of insertion ports 62 which correspond to the air guide grooves 65 one by one and penetrate into the air guide grooves 65, a pair of connecting joints 8 correspond to the pair of insertion ports 62 one by one, one ends of the connecting joints are inserted and fixed in the insertion ports 62, and a fire stopping ring 63 is further arranged between the bottom of the insertion ports 62 and the air guide grooves 65; as a preferred implementation option, it is preferable that the upper end surface and the lower end surface of the first casing 1 are provided with first O-ring seals 14, the end portion of the connection joint 8 inserted and fixed in the insertion port 62 is provided with a second O-ring seal 83, and in addition, in order to improve the installation reliability of the connection joint 8, the connection joint 8 may be fixedly installed in the insertion port 62 by an auxiliary installation plate 84 in cooperation with a locking bolt 85.
In order to reduce the negative effect caused by the heat generated by the operation of the rotor 2 as much as possible, in the present scheme, as a preferred implementation choice, preferably, the present scheme further includes a heat dissipation sleeve 15, the heat dissipation sleeve 15 is fixedly sleeved on the outer peripheral side of the first housing 1, the lower portion of the outer peripheral side of the first housing 1 is provided with an overlapping portion 11 with an annular structure, the lower end of the heat dissipation sleeve 15 abuts against the overlapping portion 11, and the lower end of the heat dissipation sleeve does not exceed the lower end face of the first housing 1.
In order to facilitate the integral assembly of the device, the present solution further comprises a plurality of first bolts 64 and a plurality of second bolts 55; wherein, the first bolts 64 are arranged in a circular array, and the thread ends of the first bolts penetrate through the connecting seat 6 from the edge of the upper end surface of the connecting seat 6 and are locked with the thread of the upper end of the heat dissipation sleeve 15; in addition, a plurality of second bolts 55 are arranged in a circular array, the thread ends of the second bolts penetrate through the base 5 through the lower end face edge threads of the base 5 and are locked with the lower end threads of the heat dissipation sleeve 15, the first shell 1 is indirectly clamped and fixed between the connecting base 6 and the base 5, one of the overlapping parts 11 is used for installing, guiding and limiting the heat dissipation sleeve 15, and on the other hand, the base 5 and the connecting base 6 can be conveniently installed through the first bolts 64 and the second bolts 55.
In terms of installation of the power unit 9, as a possible implementation manner, the present solution further includes a second housing 91 and a connecting cover 92, where the second housing 91 is a cylindrical structure, and the upper end of the second housing 91 is fixedly connected to the base 5, and a bracket (not shown) may be disposed on the outer peripheral side of the second housing 91 to facilitate installation of the present solution device when in use, specifically, the outer peripheral side of the base 5 may be provided with an external thread 54, and then the upper end of the second housing 9 is provided with an internal thread 911 that is matched with the external thread 54, and the second housing 91 is screwed to the base 5 through a screw fit, so that assembly of the device is more convenient and efficient, the power unit 9 is disposed in the second housing 91, and the connecting cover 92 may be detachably fixed at the lower end of the second housing 91 through a plurality of third bolts 93; as a preferred implementation option, preferably, the power unit 9 is a motor, a driving shaft 95 of the motor penetrates through the base 5 and is fixedly connected with the rotor 2, the base 5 is correspondingly provided with a penetrating hole 52 for penetrating the driving shaft 95 of the motor, and an oil seal 94 matched with the driving shaft of the motor is further arranged on the penetrating hole 52.
When the rotor 2 rotates, whether the blades 3 can be in full contact with the inner wall of the first housing 1 or not affects the negative pressure generating capacity of the device, in the present scheme, the elastic ring 4 includes a main body portion 41 in an annular structure and an elastic member 42 in a wavy annular structure (the elastic member 42 may also be in a spiral annular structure), the inner wall of the main body portion 41 is provided with an accommodating groove 411, and the elastic member 42 is disposed in the accommodating groove 411; wherein, when the blade 3 is installed in the slot 21 of the rotor 2, the blade itself generates a certain extrusion acting force to the elastic ring 4, and the elastic acting force generated by the elastic member 42 of the elastic ring 4 being pressed acts on the main body portion 41, so that the main body portion 41 generates a repulsive force to the blade 3, so that the other end of the blade 3 can be attached to the inner wall of the first housing 1, specifically, when the device is initially assembled, the blades 3 are installed one by one in the slot 21 of the rotor 2, the elastic ring 4 is installed in the sinking groove 22 of the rotor 2, because the blades 3 are arranged in an annular array, a structural form that a plurality of blades 3 surround the elastic ring 4 is formed, because the rotor 2 is eccentrically installed, when one of the blades 3 rotates to a position where the rotor 2 is spaced from the inner wall of the first housing 1 less than the rotor 2, the end of the blade 3 far from the inner wall of the first housing 1 slides in a direction close to the elastic ring 4 to push the elastic ring 4, the elastic ring 4 is made to conduct force to push other blades opposite to the blade 3 (i.e. the blade 3 which is moved to the position where the rotor 2 is far from the inner wall of the first shell 1), so that the blade 3 which is moved to the position where the rotor 2 is far from the inner wall of the first shell 1 is kept to be pushed against the inner wall of the first shell 1, and because the elastic ring 4 has a certain elastic force, when the blades 3 and the rotor 2 are assembled in the first shell 1, the fit between the elastic ring 4 and the blade 3 is in a certain interference state, that is, when the rotor 2 is not moved, all the blades 3 are pushed against the inner wall of the first shell 1 by the elastic force of the elastic ring 4, and when the rotor 2 rotates, the acting force of different blades 3 on the elastic ring 4 is different, so that the blade 3 which is moved to the position where the inner wall of the rotor 2 is far from the inner wall of the second shell 1 generates a larger pushing force to act on the elastic ring 4 by the pushing of the inner wall of the first shell 1, make this elastic ring 4 compressive deformation or small distance displacement to conduct the effort to the blade 3 that moves to rotor 2 and the great department of first casing 1 interval, and when blade 3 appeared wearing and tearing, because elastic ring 4 itself just is in certain atress rich state with the cooperation of blade 3, consequently, through the deformation of elastic ring 4, can shorten the length that the wearing and tearing of blade 3 caused and carry out the stroke replenishment, make blade 3 keep away from the other end of elastic ring 4 still can be better keep in contact with first casing 1 inner wall.
When the oil-gas recovery pump adopting the scheme is applied, only one joint of the connecting joint 8 needs to be connected into an oil-gas output pipe of the oiling machine, the connecting joint 8 is set as an input joint 82 (the corresponding inner area of the first shell 1 is the first area 12), the other connecting joint 8 is connected to an oil-gas recovery pipe of the oiling machine, the pipe is connected to a device for storing oil gas, meanwhile, the connecting joint 8 is set as an output joint 81 (the corresponding inner area of the first shell 1 is the second area 13), and in combination with the figure 8, when the device of the scheme works, the motor is used as a power unit 9 to drive the rotor 2, the rotor 2 rotates along the clockwise direction in the figure 8, so that the gas in the first area 12 is pushed to the second area 13 and is output by the gas guide groove 65 corresponding to the second area 13 and the connecting joint 8 (namely the output joint 81), negative pressure is generated in the first area 12, and then the oil gas recovery pipe of the oiling machine is subjected to gas suction through the input connector 82, so that oil gas in the oil tank is recovered when the oiling gun is used for oiling.
The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a novel vapor recovery system pump, connects in the vapor recovery system pipeline of tanker aircraft and is used for providing the required negative pressure of vapor recovery system, its characterized in that, it includes:
the first shell is a cylindrical structure with two open ends;
the rotor is eccentrically arranged in the first shell, a first area and a second area which are communicated with each other are formed on two sides of the position with the maximum distance between the rotor and the inner wall of the first shell, a plurality of slots which extend in the radial direction are arranged on the peripheral side of the rotor, sinking grooves are arranged in the middle of the upper end surface and the lower end surface of the rotor, and the end parts of the slots, which are close to the radial center of the rotor, extend into the sinking grooves;
the blades correspond to the slots on the rotor one by one and are arranged in the slots in a sliding mode, and the end parts, close to the inner wall of the first shell, of the blades are of arc-shaped structures;
the elastic rings are a pair and are respectively arranged in the sinking grooves on the upper end surface and the lower end surface of the rotor, the outer walls of the elastic rings are abutted against the end parts of the blades far away from the inner wall of the first shell, and the blades are abutted against the inner wall of the first shell close to the inner wall of the first shell;
the base is relatively and fixedly connected with the lower end face of the first shell;
the connecting seat is fixedly connected with the upper end face of the first shell, and a pair of air guide grooves which are oppositely arranged and are communicated with the first area and the second area in a one-to-one correspondence manner are arranged on the end face, close to the first shell, of the connecting seat;
the first gasket is arranged between the connecting seat and the upper end surface of the first shell and separates the pair of air guide grooves, and the first gasket is provided with an avoidance through groove corresponding to the structure of the pair of air guide grooves;
the connecting joints are in a pair and are connected with the air guide grooves in a one-to-one correspondence manner;
the power unit is arranged on one side of the base, which is far away from the first shell, the power output end of the power unit penetrates through the base and is fixedly connected with the rotor, the power unit drives the rotor to rotate, so that the blades which are inserted into the slots on the rotor in a sliding mode rotate, gas in the first area is pushed to the second area and is output by the gas guide grooves and the connecting joints corresponding to the second area, negative pressure is generated in the first area, or the gas in the second area is pushed to the first area and is output by the gas guide grooves and the connecting joints corresponding to the first area, and negative pressure is generated in the second area.
2. The novel oil and gas recovery pump of claim 1, further comprising a second gasket, wherein the second gasket is fixedly arranged between the lower end surface of the first casing and the upper end surface of the base, a buffer sink groove is further formed in the middle of the upper end surface of the base and corresponds to the profile of the rotor, the depth of the buffer sink groove is 1-3 mm, and the first gasket and the second gasket are both elastic wear-resistant gaskets.
3. The novel oil and gas recovery pump as claimed in claim 2, wherein an extension part is provided on the end surface of the connecting base away from the first casing, the extension part is provided with a pair of insertion ports which correspond to the gas guide grooves one to one and penetrate into the gas guide grooves, a pair of connecting joints correspond to the pair of insertion ports one to one, one end of each connecting joint is inserted and fixed in the insertion ports, and a fire stopping ring is further provided between the bottom of each insertion port and the gas guide groove.
4. The novel oil and gas recovery pump as claimed in claim 3, wherein the upper end face and the lower end face of the first casing are provided with first O-shaped sealing rings, and the end portion of the connection joint inserted and fixed in the insertion port is provided with a second O-shaped sealing ring.
5. The new oil and gas recovery pump as claimed in claim 3, further comprising a heat dissipation sleeve fixedly attached to the outer peripheral side of the first casing, wherein the lower portion of the outer peripheral side of the first casing is provided with a lap joint portion of an annular structure, and the lower end of the heat dissipation sleeve abuts against the lap joint portion and does not extend beyond the lower end surface of the first casing.
6. The novel oil and gas recovery pump of claim 5, further comprising a plurality of first bolts and a plurality of second bolts;
the first bolts are arranged in a circular array, and the thread ends of the first bolts penetrate through the connecting seat from the edge thread of the upper end face of the connecting seat and are locked with the thread of the upper end of the heat dissipation sleeve;
in addition, a plurality of second bolts are arranged in a circular array, the thread ends of the second bolts penetrate through the base through the threads at the edge of the lower end face of the base and are locked with the threads at the lower end of the heat dissipation sleeve, and the first shell is indirectly clamped and fixed between the connecting seat and the base.
7. The novel oil and gas recovery pump of claim 1, further comprising a second housing and a connecting cover, wherein the second housing is a cylindrical structure, the upper end of the second housing is fixedly connected with the base, the power unit is arranged in the second housing, and the connecting cover is detachably fixed at the lower end of the second housing.
8. The novel oil and gas recovery pump as claimed in one of claims 1 to 7, wherein the power unit is an electric motor, a driving shaft of the electric motor passes through the base and is fixedly connected with the rotor, the base is correspondingly provided with a through hole for the driving shaft of the electric motor to pass through, and the through hole is also provided with an oil seal matched with the driving shaft of the electric motor.
9. The novel oil and gas recovery pump of claim 1, wherein the elastic ring comprises a main body part in an annular structure and an elastic part in an annular structure, wherein the inner wall of the main body part is provided with a containing groove, and the elastic part is arranged in the containing groove.
10. A fuel dispenser, characterized in that it comprises a new type of vapor recovery pump as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013178.4A CN114229783A (en) | 2022-01-06 | 2022-01-06 | Novel oil gas recovery pump and oiling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210013178.4A CN114229783A (en) | 2022-01-06 | 2022-01-06 | Novel oil gas recovery pump and oiling machine |
Publications (1)
| Publication Number | Publication Date |
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| CN114229783A true CN114229783A (en) | 2022-03-25 |
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| CN202210013178.4A Pending CN114229783A (en) | 2022-01-06 | 2022-01-06 | Novel oil gas recovery pump and oiling machine |
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| CN (1) | CN114229783A (en) |
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