CN112747120A - Seal structure convenient to dismouting hydrogen circulating pump - Google Patents

Seal structure convenient to dismouting hydrogen circulating pump Download PDF

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Publication number
CN112747120A
CN112747120A CN202011597720.2A CN202011597720A CN112747120A CN 112747120 A CN112747120 A CN 112747120A CN 202011597720 A CN202011597720 A CN 202011597720A CN 112747120 A CN112747120 A CN 112747120A
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CN
China
Prior art keywords
cavity
connecting seat
seat
bevel gear
air inlet
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.)
Withdrawn
Application number
CN202011597720.2A
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Chinese (zh)
Inventor
彭军
顾奚斌
王荣奎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Rongentropy Power Technology Co ltd
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Shanghai Rongentropy Power Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Rongentropy Power Technology Co ltd filed Critical Shanghai Rongentropy Power Technology Co ltd
Priority to CN202011597720.2A priority Critical patent/CN112747120A/en
Publication of CN112747120A publication Critical patent/CN112747120A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F04B39/066—Cooling by ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/16—Filtration; Moisture separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Architecture (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a sealing structure convenient for dismounting a hydrogen circulating pump, which relates to the technical field of sealing of hydrogen circulating pumps and comprises a pump body, a shell, a connecting seat, a cam shaft, a motor body and a main shaft, wherein a cavity, a coupler, a swivel base and a first sealing assembly are arranged in the connecting seat, a heat dissipation assembly is arranged in the inner wall of the shell, and a second sealing assembly is arranged between the connecting seat and the shell. The driving bevel gear which is fixedly connected with a main shaft of the motor is arranged in the connecting seat and drives the bevel gear to rotate, so that the vertical shaft and the fan blades in the fixing seat rotate, airflow generated in the fixing seat flows into the annular cavity in the rotary seat through the air inlet pipeline, the airflow in the annular cavity on the left side is higher than the airflow in the annular cavity on the right side under the action of different stop blocks in the air inlet pipeline, the pressure is small at the place where the airflow is fast, the pressure at the position of the annular cavity on the left side is lower than the pressure at the position of the annular cavity on the right side, and the trace hydrogen flows into the exhaust pipeline along with the airflow in the annular cavity on the left side under.

Description

Seal structure convenient to dismouting hydrogen circulating pump
Technical Field
The invention relates to the technical field of sealing of hydrogen circulating pumps, in particular to a sealing structure convenient for dismounting a hydrogen circulating pump.
Background
The hydrogen fuel cell car uses the charge transfer in the chemical reaction process of hydrogen and oxygen to form current, so as to directly convert the chemical energy into electric energy to drive the car motor to work. In order to prevent the hydrogen gas chemically reacted with the oxygen gas from being discharged to ensure the service life of the hydrogen fuel cell, after the oxygen gas and the hydrogen gas chemically react in the hydrogen fuel cell, the excessive hydrogen gas needs to be recovered by a hydrogen circulating pump. When a traditional hydrogen circulating pump works, a small amount of hydrogen can be leaked at the joint of the output shaft of the motor and the pump body even under the sealing action of the sealing part, electric sparks can be generated in the motor during working, and certain potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a sealing structure convenient for dismounting a hydrogen circulating pump, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a seal structure convenient to dismouting hydrogen circulating pump, includes the pump body, casing and connecting seat, be equipped with the camshaft that extends to in the connecting seat in the pump body, be equipped with motor body in the casing, the casing side is equipped with the main shaft that extends to in the connecting seat, be equipped with the cavity in the connecting seat, be equipped with the shaft coupling of connecting main shaft and camshaft in the cavity, be equipped with the swivel mount with connecting seat fixed connection in the cavity, the swivel mount rotates with the camshaft to be connected, be equipped with the first seal assembly of sealed camshaft and swivel mount's clearance of rotating in the cavity, be equipped with radiator unit in the inner wall of casing, be equipped with the second seal assembly between connecting.
As a further scheme of the invention: the connecting seat is connected with the pump body through a plurality of connecting bolts, a plurality of connecting blocks are fixedly connected to the connecting seat and the shell, and two adjacent connecting blocks are connected through fixing bolts.
As a further scheme of the invention: the second seal assembly comprises a driving bevel gear, a driven bevel gear, a vertical shaft, a fixing seat, fan blades, an air inlet hole, an air inlet pipeline, a ring cavity and an exhaust pipeline, the driving bevel gear is fixedly connected with one end of a main shaft extending to the cavity, the driving bevel gear is meshed with the driven bevel gear, the driven bevel gear is fixedly connected with one end of the vertical shaft, the fixing seat is fixedly connected with the cavity wall of the cavity, the vertical shaft extends to a plurality of fan blades of one end of the fixing seat, the air inlet hole is formed in the fixing seat and is communicated with the connecting seat in an external mode, the side end of the fixing seat is communicated with the air inlet pipeline, the ring cavity is arranged in the rotating seat and is communicated with the ring cavity, and the air inlet pipeline is communicated with the ring cavity respectively and.
As a further scheme of the invention: and a filter block is fixedly connected in the air inlet.
As a further scheme of the invention: the diameter of the check block which is arranged in the air inlet pipelines and is far away from the pump body is larger.
As a further scheme of the invention: the heat dissipation assembly comprises a cross channel, a ring channel and an exhaust channel, the cross channel is arranged in the inner wall of one side of the shell, the ring channel communicated with the cross channel is arranged on the shell, the exhaust channel communicated with the ring channel is arranged in the inner wall of the other side of the shell, and the cross channel is communicated with the exhaust pipeline.
As a further scheme of the invention: and a filter block is arranged in the exhaust passage.
As a further scheme of the invention: the second seal assembly comprises a side cavity, an air bag, hydraulic oil, an extrusion block and a rubber ring, the air bag is arranged at the joint of the connecting seat and the shell, the hydraulic oil is arranged in the air bag, the side cavity for accommodating the air bag is arranged on the connecting seat and the shell, the extrusion block is arranged on the inner side of the air bag, and the rubber ring is arranged on the inner side of the extrusion block.
As a further scheme of the invention: the outer contour of the cross section of the rubber ring is trapezoidal.
As a further scheme of the invention: the side ends of the filter blocks are fixedly connected with rotary drums, the rotary drums are respectively in threaded connection with the shell and the connecting seat, the outer ends of the rotary drums are fixedly connected with rotary rings, and the rotary drums are respectively communicated with the air inlet hole or the exhaust passage.
Compared with the prior art, the invention has the beneficial effects that:
the bevel gear is driven to rotate by the driving bevel gear fixedly connected with the main shaft of the motor arranged in the connecting seat, so that the vertical shaft and the fan blades in the fixing seat rotate, airflow generated in the fixing seat flows into the annular cavity in the rotary seat through the air inlet pipeline, and the gas flow rate in the annular cavity on the left side is higher than that in the annular cavity on the right side under the blocking action of the large stop block in the air inlet pipeline on one side far away from the pump body; airflow in the exhaust pipeline is conveyed to the loop through the cross passage in the shell, heat generated when the motor body in the shell works is absorbed through the airflow flowing in the loop, and then the heat is exhausted through the exhaust passage communicated with the loop, so that the heat dissipation work when the motor works is realized; the filter block arranged on the exhaust passage prevents external dust from entering the annular passage; when the air current flows in cross road and blast pipe way, the hydraulic oil in the gasbag in the side chamber between connecting block and the casing takes place deformation under the pressure of air current, and then makes the extrusion piece extrusion rubber circle in the side chamber carry out extrusion work to the junction of casing and connecting block, and then realizes sealed work.
Drawings
Fig. 1 is a schematic structural view of an embodiment 1 of a sealing structure for facilitating the disassembly and assembly of a hydrogen circulation pump.
Fig. 2 is a partially enlarged structural schematic diagram of a portion a in fig. 1 of a sealing structure for facilitating the disassembly and assembly of a hydrogen circulation pump.
Fig. 3 is a schematic structural view of embodiment 2 of a sealing structure for facilitating the disassembly and assembly of a hydrogen circulation pump.
Fig. 4 is a partially enlarged structural diagram of part B in fig. 2, which is a sealing structure for facilitating the disassembly and assembly of the hydrogen circulation pump.
Fig. 5 is a three-dimensional schematic view of a rotary block of a sealing structure for facilitating the disassembly and assembly of a hydrogen circulation pump.
In the figure: 1-pump body, 2-shell, 3-connecting seat, 4-connecting bolt, 5-connecting block, 6-fixing bolt, 7-camshaft, 8-main shaft, 9-cavity, 10-driving bevel gear, 11-driven bevel gear, 12-vertical shaft, 13-fixing seat, 14-fan blade, 15-air inlet hole, 16-filter block, 17-air inlet pipeline, 18-rotary seat, 19-ring cavity, 20-stop block, 21-air outlet pipeline, 22-cross channel, 23-ring channel, 24-air outlet channel, 25-side cavity, 26-air bag, 27-hydraulic oil, 28-extrusion block, 29-rubber ring, 30-rotary cylinder and 31-rotary ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, a sealing structure for conveniently disassembling and assembling a hydrogen circulating pump includes a pump body 1, a housing 2 and a connecting seat 3, a camshaft 7 extending into the connecting seat 3 is provided in the pump body 1, a motor body is provided in the housing 2, a main shaft 8 extending into the connecting seat 3 is provided at a side end of the housing 2, a cavity 9 is provided in the connecting seat 3, a shaft coupling for connecting the main shaft 8 and the camshaft 7 is provided in the cavity 9, a swivel mount 18 fixedly connected with the connecting seat 3 is provided in the cavity 9, the swivel mount 18 is rotatably connected with the camshaft 7, a first sealing assembly for sealing a rotating gap between the camshaft 7 and the swivel mount 18 is provided in the cavity 9, a heat dissipating assembly is provided in an inner wall of the housing 2, and.
Further, the connecting seat 3 is connected with the pump body 1 through a plurality of connecting bolts 4, a plurality of connecting blocks 5 are fixedly connected to the connecting seat 3 and the shell 2, and two adjacent connecting blocks 5 are connected through fixing bolts 6;
the second sealing component comprises a driving bevel gear 10, a driven bevel gear 11, a vertical shaft 12, a fixed seat 13, fan blades 14, air inlet holes 15, an air inlet pipeline 17, an annular cavity 19 and an exhaust pipeline 21, wherein the driving bevel gear 10 is fixedly connected with one end of a main shaft 8 extending to the cavity 9, the driving bevel gear 10 is meshed with the driven bevel gear 11, the driven bevel gear 11 is fixedly connected with one end of the vertical shaft 12, the fixed seat 13 is fixedly connected with the cavity wall of the cavity 9, one end of the vertical shaft 12 extending to the inside of the fixed seat 13 is fixedly connected with a plurality of fan blades 14, the fixed seat 13 is provided with the air inlet holes 15 externally communicated with the connecting seat 3, the side end of the fixed seat 13 is communicated with a plurality of air inlet pipelines 17, the annular cavities 19 are arranged in a rotating seat 18, the air inlet pipelines 17 are respectively communicated with the annular cavities 19, the rotating seat 18 is provided with a plurality of exhaust pipelines 21 communicated with the annular cavities 19, the, the driving bevel gear 10 rotates to enable the driven bevel gear 11 which is in meshed connection with the driving bevel gear to rotate, the driven bevel gear 11 rotates to enable the vertical shaft 12 which is fixedly connected with the driven bevel gear to rotate, the vertical shaft 12 rotates to enable the fan blades 14 which are fixedly connected with the driven bevel gear in the fixed seat 13 to rotate, the fan blades 14 rotate to enable air flow to be generated in the fixed seat 13 through communication of the air inlet holes 15, the air flow is conveyed to an annular cavity 19 in the rotary seat 18 through an air inlet pipeline 17 which is communicated with the fixed seat 13, and, under the blocking action of the large block 20 in the intake duct 17 on the side remote from the pump body 1, the gas flow rate in the ring 19 on the left side is greater than that in the ring 19 on the right side, because the pressure at the place with high flow speed is small, the pressure at the position of the ring cavity 19 at the left side is smaller than the pressure at the position of the ring cavity 19 at the right side, thereby realizing that even if the hydrogen gas leaks slightly, the hydrogen flows along with the airflow in the left annular cavity 19 under the action of pressure to an exhaust pipeline 21 to be exhausted;
furthermore, a filter block 16 is fixedly connected in the air inlet 15 to prevent external dust from entering the fixed seat 13;
furthermore, a plurality of check blocks 20 are respectively arranged in the plurality of air inlet pipelines 17, and the diameter of the check block 20 which is farther away from the pump body 1 is larger, so that different flow rates of air flows entering the annular cavity 18 are realized, and further different pressures at different annular cavities 18 are realized; in this embodiment, two air inlet pipes 17 are provided, and under the blocking action of a large block 20 in the air inlet pipe 17 far away from one side of the pump body 1, the flow rate of the gas in the left annular cavity 19 is greater than that of the gas in the right annular cavity 19, and because the pressure at the place where the flow rate is fast is small, the pressure at the left annular cavity 19 is less than that at the right annular cavity 19;
the heat dissipation assembly comprises a cross channel 22, a circular channel 23 and an exhaust channel 24, the gas transmission pipeline 21 is communicated with a plurality of exhaust pipelines 21, the cross channel 22 is arranged in the inner wall of one side of the shell 2, the shell 2 is provided with the circular channel 23 communicated with the cross channel 22, the exhaust channel 24 communicated with the circular channel 23 is arranged in the inner wall of the other side of the shell 2, and the cross channel 22 is communicated with the exhaust pipelines 21; airflow in the exhaust pipeline 21 is conveyed to the loop 23 through the cross passage 22 in the shell 2, and the airflow flows in the loop 23 to absorb heat generated by the motor body in the shell 2 during working, and then the heat is exhausted through the exhaust passage 24 communicated with the loop 23, so that the heat dissipation work of the motor during working is realized; and the filter block 16 disposed at the exhaust passage 24 prevents external dust from entering the loop 23;
further, a filter block 16 is arranged in the exhaust passage 24, and the filter block 16 arranged in the exhaust passage 24 prevents external dust from entering the annular passage 23;
the second sealing assembly comprises a side cavity 25, an air bag 26, hydraulic oil 27, an extrusion block 28 and a rubber ring 29, the air bag 26 is arranged at the joint of the connecting seat 3 and the shell 2, the hydraulic oil 27 is arranged in the air bag 26, the side cavity 25 for accommodating the air bag 26 is arranged on the connecting seat 3 and the shell 2, the extrusion block 28 is arranged on the inner side of the air bag 26, the rubber ring 29 is arranged on the inner side of the extrusion block 28, when air flows in the cross passage 22 and the exhaust pipeline 21, the hydraulic oil 27 in the air bag 26 in the side cavity 25 between the connecting block 3 and the shell 2 deforms under the pressure of the air flow, and then the extrusion block 28 in the side cavity 25 extrudes the rubber ring 29 to extrude the joint of the shell 2 and the connecting block 3, so that sealing work;
furthermore, the outer contour of the cross section of the rubber ring 29 is trapezoidal, so that the rubber ring 29 is deformed to extrude the joint of the shell 2 and the connecting block 3, and further sealing work is realized;
further, the structure in the pump body 1 and the specific structure of the motor body in the housing 2 are both the prior art, and are not described herein again, and the present invention mainly focuses on further innovation of the sealing operation of the connection part in the connection seat.
The working principle of the embodiment 1 of the invention is as follows:
the connecting seat 3 is connected with the pump body 1 through six connecting bolts 4, the connecting seat 3 is connected with the shell 2 through fixing bolts 6, the motor body in the shell 2 enables the main shaft 8 to rotate, the main shaft 8 rotates, and the cam shaft 7 rotates through a coupler in an inner cavity 9 in the connecting seat 3, so that the work of the hydrogen circulating pump is realized;
the main shaft 8 in the inner cavity 9 rotates to enable the driving bevel gear 10 fixedly connected with the driving bevel gear to rotate, the driving bevel gear 10 rotates to enable the driven bevel gear 11 meshed with the driving bevel gear to rotate, the driven bevel gear 11 rotates to enable the vertical shaft 12 fixedly connected with the driven bevel gear to rotate, the vertical shaft 12 rotates to enable the fan blades 14 fixedly connected with the vertical shaft in the fixed seat 13 to rotate, the fan blades 14 rotate to achieve air flow in the fixed seat 13 through communication of the air inlet holes 15, the air flow is conveyed to the annular cavity 19 in the rotary seat 18 through an air inlet pipeline 17 communicated with the fixed seat 13, under the blocking effect of a large stop block 20 in the air inlet pipeline 17 far away from one side of the pump body 1, the air flow rate in the annular cavity 19 on the left side is larger than that in the annular cavity 19 on the right side, because the place where the flow rate is fast is small in pressure, the pressure at the annular cavity 19 on the, the hydrogen flows along with the airflow in the left annular cavity 19 under the action of pressure to an exhaust pipeline 21 to be exhausted;
airflow in the exhaust pipeline 21 is conveyed to the loop 23 through the cross passage 22 in the shell 2, and the airflow flows in the loop 23 to absorb heat generated by the motor body in the shell 2 during working, and then the heat is exhausted through the exhaust passage 24 communicated with the loop 23, so that the heat dissipation work of the motor during working is realized; and the filter block 16 disposed at the exhaust passage 24 prevents external dust from entering the loop 23;
when air flows in the cross passage 22 and the exhaust pipeline 21, hydraulic oil 27 in an air bag 26 in a side cavity 25 between the connecting block 3 and the shell 2 deforms under the pressure of the air flow, so that an extrusion block 28 in the side cavity 25 extrudes a rubber ring 29 to extrude the joint of the shell 2 and the connecting block 3, and sealing operation is achieved.
Example 2
The embodiment is further improved on the basis of the embodiment 1, and the improvement points are as follows: the side ends of the plurality of filter blocks 16 are fixedly connected with rotary drums 30, the plurality of rotary drums 30 are respectively in threaded connection with the shell 2 and the connecting seat 3, the outer ends of the rotary drums 30 are fixedly connected with rotary rings 31, the plurality of rotary drums 30 are respectively communicated with the air inlet holes 15 or the air exhaust passages 24, the rotary rings 31 are held by hands to rotate the rotary drums 30 to take the rotary drums 30 down from the shell 2 or the connecting seat 3, and then the filter blocks in the rotary drums 3 are cleaned, so that the long-time work of the filter blocks 16 is guaranteed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a seal structure convenient to dismouting hydrogen circulating pump, includes the pump body (1), casing (2) and connecting seat (3), its characterized in that, be equipped with camshaft (7) that extend to in the connecting seat (3) in the pump body (1), be equipped with motor body in casing (2), casing (2) side is equipped with main shaft (8) that extend to in the connecting seat (3), be equipped with cavity (9) in the connecting seat (3), be equipped with the shaft coupling of connecting main shaft (8) and camshaft (7) in cavity (9), be equipped with swivel mount (18) with connecting seat (3) fixed connection in cavity (9), swivel mount (18) rotate with camshaft (7) and are connected, be equipped with the first seal assembly of the running clearance of sealed camshaft (7) and swivel mount (18) in cavity (9), be equipped with radiator unit in the inner wall of casing (2), and a second sealing assembly is arranged between the connecting seat (3) and the shell (2).
2. The sealing structure convenient for assembling and disassembling the hydrogen circulating pump according to claim 1, wherein the connecting base (3) is connected with the pump body (1) through a plurality of connecting bolts (4), a plurality of connecting blocks (5) are fixedly connected to the connecting base (3) and the housing (2), and two adjacent connecting blocks (5) are connected through a fixing bolt (6).
3. The sealing structure convenient for assembling and disassembling the hydrogen circulating pump according to claim 1, wherein the second sealing component comprises a driving bevel gear (10), a driven bevel gear (11), a vertical shaft (12), a fixing seat (13), fan blades (14), air inlet holes (15), an air inlet pipeline (17), an annular cavity (19) and an air outlet pipeline (21), the driving bevel gear (10) is fixedly connected with one end of a main shaft (8) extending to the cavity (9), the driving bevel gear (10) is meshed with the driven bevel gear (11), the driven bevel gear (11) is fixedly connected with one end of the vertical shaft (12), the fixing seat (13) is fixedly connected with the cavity wall of the cavity (9), one end of the vertical shaft (12) extending into the fixing seat (13) is fixedly connected with a plurality of fan blades (14), the fixing seat (13) is provided with the air inlet holes (15) externally communicated with the connecting seat (3), the side end of the fixing seat (13) is communicated with a plurality of air inlet pipelines (17), a plurality of annular cavities (19) are arranged in the rotary seat (18), the air inlet pipelines (17) are respectively communicated with the annular cavities (19), and a plurality of exhaust pipelines (21) communicated with the annular cavities (19) are arranged on the rotary seat (18).
4. A sealing structure for conveniently assembling and disassembling a hydrogen circulation pump according to claim 3, characterized in that a filter block (16) is fixedly connected in the air inlet hole (15).
5. A sealing structure for facilitating the assembly and disassembly of a hydrogen circulation pump according to claim 3, wherein a plurality of stoppers (20) are respectively provided in a plurality of the inlet pipes (17), and the diameter of the stopper (20) which is farther from the pump body (1) is larger.
6. The sealing structure convenient for assembling and disassembling the hydrogen circulating pump according to claim 1, wherein the heat dissipation assembly comprises a cross channel (22), a circular channel (23) and an exhaust channel (24), the cross channel (22) is arranged in one side wall of the shell (2), the circular channel (23) communicated with the cross channel (22) is arranged on the inner wall of the shell (2), the exhaust channel (24) communicated with the circular channel (23) is arranged in the other side wall of the shell (2), and the cross channel (22) is communicated with the exhaust pipeline (21).
7. The sealing structure for facilitating the assembly and disassembly of a hydrogen circulation pump according to claim 6, wherein a filter block (16) is provided in the exhaust passage (24).
8. The sealing structure convenient for assembling and disassembling the hydrogen circulating pump according to claim 1, wherein the second sealing component comprises a side cavity (25), an air bag (26), hydraulic oil (27), an extrusion block (28) and a rubber ring (29), the air bag (26) is arranged at the joint of the connecting seat (3) and the casing (2), the hydraulic oil (27) is arranged in the air bag (26), the side cavity (25) accommodating the air bag (26) is arranged on each of the connecting seat (3) and the casing (2), the extrusion block (28) is arranged on the inner side of the air bag (26), and the rubber ring (29) is arranged on the inner side of the extrusion block (28).
9. A sealing structure for facilitating the assembly and disassembly of a hydrogen circulating pump according to claim 8, wherein the cross-sectional outer profile of the rubber ring (29) is trapezoidal.
10. The sealing structure for conveniently assembling and disassembling a hydrogen circulating pump according to any one of claims 3-9, wherein a plurality of said filter blocks (16) are fixedly connected with a rotating drum (30) at the side end, a plurality of said rotating drums (30) are respectively in threaded connection with the housing (2) and the connecting base (3), a rotating ring (31) is fixedly connected with the outer end of said rotating drum (30), and a plurality of said rotating drums (30) are respectively communicated with the air inlet (15) or the air outlet (24).
CN202011597720.2A 2020-12-29 2020-12-29 Seal structure convenient to dismouting hydrogen circulating pump Withdrawn CN112747120A (en)

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Application Number Priority Date Filing Date Title
CN202011597720.2A CN112747120A (en) 2020-12-29 2020-12-29 Seal structure convenient to dismouting hydrogen circulating pump

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Application Number Priority Date Filing Date Title
CN202011597720.2A CN112747120A (en) 2020-12-29 2020-12-29 Seal structure convenient to dismouting hydrogen circulating pump

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CN112747120A true CN112747120A (en) 2021-05-04

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CN202011597720.2A Withdrawn CN112747120A (en) 2020-12-29 2020-12-29 Seal structure convenient to dismouting hydrogen circulating pump

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114937789A (en) * 2022-06-07 2022-08-23 烟台东德实业有限公司 Utilize shaft coupling to open hydrogen circulating pump of ice

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114937789A (en) * 2022-06-07 2022-08-23 烟台东德实业有限公司 Utilize shaft coupling to open hydrogen circulating pump of ice

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Application publication date: 20210504