CN109707640B - Sanitary vacuum-pumping device for food industry - Google Patents
Sanitary vacuum-pumping device for food industry Download PDFInfo
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- CN109707640B CN109707640B CN201910121722.5A CN201910121722A CN109707640B CN 109707640 B CN109707640 B CN 109707640B CN 201910121722 A CN201910121722 A CN 201910121722A CN 109707640 B CN109707640 B CN 109707640B
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- 238000005086 pumping Methods 0.000 title abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 164
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 230000003584 silencer Effects 0.000 claims abstract 2
- 230000001502 supplementing effect Effects 0.000 claims abstract 2
- 238000009826 distribution Methods 0.000 claims description 28
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000013020 steam cleaning Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 241001268407 Loweria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a sanitary vacuum pumping device for the food industry, which comprises a base, foot supports with adjustable heights are respectively arranged at four corners of the base, a pump body and a motor connected with the pump body are fixed on the base, a sealing unit is arranged at the joint of the pump body and the motor, a liquid inlet, an air suction port and an air outlet are arranged at one side of the pump body, a vertical liquid inlet pipe is detachably connected to a pipe orifice of the pipe A, a ball valve, a filter and an electric control valve are sequentially arranged from top to bottom on the pipe orifice of the pipe A, an air inlet pipe is detachably connected to a pipe orifice of the pipe B, a vapor-liquid separator is detachably connected to a pipe orifice of the pipe C, and a vapor supplementing silencer is also connected to the pump body.
Description
Technical Field
The invention relates to the food machinery industry, in particular to a sanitary-grade vacuumizing device used in the food industry.
Background
Food sanitation is a comprehensive measure taken to prevent food pollution and harmful factors from harming human health. The world health organization defines food sanitation as follows: all measures taken to ensure the safety, the benefit and the integrity of the food are taken during the various stages of its cultivation, production and manufacture until it is ingested by the human. The vacuum pump is often used in food machinery, the existing vacuum pump is mostly cast iron, the efficiency is low, the sanitation level is low, and bacteria are caused to breed out of standard in the food processing process and easily polluted, so that the food safety is affected.
Disclosure of Invention
In order to solve the technical problem, the invention provides the sanitary-grade vacuumizing device for the food industry, which has high sanitary grade, good sealing performance and no dead angle, and can be cleaned at high temperature and high pressure, steam or chemical cleaning agent.
The technical scheme adopted for solving the technical problems is as follows: a sanitary-grade vacuumizing device for food industry, including the base, be equipped with height-adjustable's footing support on the base four corners respectively, be fixed with the pump body and with pump body coupling's motor on the base, the junction of pump body and motor is equipped with sealed unit, is equipped with inlet, induction port and gas outlet in pump body one side, corresponds connecting pipe A, pipe B, pipe C respectively in inlet, induction port and gas outlet department, can dismantle on pipe A mouth of pipe and be connected with vertically inlet tube, inlet tube top-down sets gradually ball valve, filter and automatically controlled valve, can dismantle on pipe B mouth of pipe and be connected with the intake pipe, pipe C mouth of pipe can dismantle and be connected with vapour and liquid separator, still is connected with the air make-up muffler on the pump body.
The pump body comprises an end cover with an air suction hole and an air outlet hole, a distribution plate detachably connected with the end cover, a pump shell detachably connected with the distribution plate and provided with a containing cavity and an eccentric shaft hole, and an impeller arranged in the containing cavity and rotationally connected with the eccentric shaft hole, wherein the contact surface of the end cover and the distribution plate is respectively provided with the air inlet cavity communicated with the air suction holeAnd an exhaust chamber communicated with the air outlet hole>A sealing unit is arranged at the joint of the end cover and the outer surface of the distribution plate>The end cover and the distribution plate are respectively provided with a liquid inlet hole communicated with the accommodating cavity, and the air inlet cavity on the distribution plate is +.>An air inlet is arranged in the air inlet, and an exhaust cavity on the distribution plate is +.>A liquid outlet and a plurality of air outlets are arranged in the air inlet, a valve plate for blocking the air outlets is arranged on the distribution plate, and an air inlet cavity communicated with the air inlet is arranged on the contact surface between the distribution plate and the end cover>And a liquid discharging cavity communicated with the liquid outlet, a sealing unit is arranged at the joint of the distribution plate and the outer surface of the pump shell>。
The sanitary-grade vacuumizing device for the food industry is characterized in that the size of the air outlet is smaller than that of the liquid outlet, and the air inlet cavity is formed in the air outletIs larger than the size of the drainage chamber, said sealing unit +.>The sealing unit is a triangular groove formed at the joint of the end cover and the outer surface of the distribution plate and an O-shaped sealing ring arranged in the triangular groove> The O-shaped sealing ring is arranged in the triangular sealing groove and is respectively arranged at the joint of the distribution plate and the outer surface of the pump shell; the liquid inlet holes are arranged at the center positions of the end cover and the distribution plate, and the air suction holes and the air outlet holes are symmetrically arranged at two sides of the liquid inlet holes.
The sanitary-grade vacuumizing device for the food industry is characterized in that the end cover is provided with the fastening piece connected with the distribution plate and the pump shell, the fastening piece is a flange bolt, the flange bolt comprises a screw head, a flange connected with the screw head and a stud connected with the flange, the connecting end of the flange and the screw head is provided with an arc-shaped surface, and a sealing structure is arranged at the connecting part of the flange and the screw column.
The sanitary-grade vacuumizing device for the food industry comprises the sealing structure, wherein the sealing structure comprises the truncated cone-shaped sealing part arranged at the joint of the flange and the screw column, the small end face of the sealing part is connected with the flange, the large end face of the sealing part is connected with the screw column, the triangular sealing groove is formed between the arc face of the sealing part and the flange, the radial dimension of the large end face of the sealing part is smaller than that of the flange, the sealing groove is connected with the truncated cone-shaped sealing gasket, the shape of the sealing gasket is similar to that of the sealing part, the small end face of the sealing gasket is in plane contact with the flange end, and the center of the sealing gasket is provided with the truncated cone-shaped matching hole in contact with the sealing groove.
The sanitary vacuum-pumping device for the food industry comprises a support stud in threaded connection with the bottom of a base and a support foot in threaded connection with the support stud, wherein the bottom surface of the support foot is in contact with the ground, and the sanitary vacuum-pumping device is characterized in that: the support stud comprises a threaded end and a non-threaded end integrally connected with the threaded end, an adjusting sleeve is connected with the threaded end in a threaded mode, a sealing structure A and a sealing structure B are arranged between two ends of the adjusting sleeve and the support stud, a dismounting part is integrally connected with the other end of the non-threaded end, a fine adjusting part in threaded connection with the dismounting part is rotatably connected at the center of the support foot, a spherical seal A is arranged between the support foot and the fine adjusting part, a spherical seal B is arranged between the dismounting part and the fine adjusting part, the support stud further comprises a sealing structure C which is circumferentially arranged along the outer circumference of the support foot, and the connecting part of the support foot and the ground is sealed by the sealing structure C and ground contact.
The sanitary-grade vacuumizing device for the food industry is characterized in that one end of the sealing structure A is connected with the adjusting sleeve, the other end of the sealing structure A is in contact with the bottom of the base, the sealing structure A comprises the triangular sealing groove which is circumferentially arranged along the end face of the adjusting sleeve, the round table sealing gasket which is matched with the triangular sealing groove is arranged in the triangular sealing groove, the contact surface between the round table sealing gasket and the bottom of the base is larger than the contact surface between the round table sealing gasket and the bottom of the triangular sealing groove, and the inner side surface of the round table sealing gasket is provided with an inclined surface which is matched with the triangular sealing groove.
The sanitary vacuumizing device for the food industry is characterized in that the sealing structure B is in contact with the non-threaded end of the supporting stud, the sealing structure B comprises a ring-shaped sealing groove formed in the circumferential direction of the other end of the adjusting sleeve, a sealing gasket matched with the ring-shaped sealing groove is arranged in the ring-shaped sealing groove, the sealing gasket comprises an annular sealing part matched with the ring-shaped sealing groove and a round table sealing ring integrally connected with the annular sealing part, and the small end face of the round table sealing ring is downwards arranged.
The sealing structure C of the sanitary vacuumizing device for the food industry comprises the triangular groove formed along the periphery of the edge of the bottom plate and the sealing gasket matched with the triangular groove.
The sanitary-grade vacuumizing device for the food industry comprises a supporting foot, wherein the supporting foot comprises a cylindrical bottom plate, the bottom end plane of the bottom plate is in contact with the ground, the top end of the bottom plate is provided with an arc-shaped surface, a containing hole penetrating through the bottom plate is formed in the center of the bottom plate, the size of the top opening of the containing hole is smaller than that of the bottom opening, the fine tuning part is arranged in the containing hole and can rotate in the containing hole, the spherical seal B is arranged below the fine tuning part in the containing hole, two symmetrical fixing grooves are formed in the arc-shaped surface, the bottom of each fixing groove is parallel to the ground, and the fixing holes are formed in the fixing grooves.
According to the sanitary vacuumizing device for the food industry, the fine adjusting part is the spherical seat, the spherical seat is arranged in the accommodating hole, one half part of the spherical seat is smaller than the top opening of the accommodating hole and limited through the top opening of the accommodating hole, the center of the spherical seat is connected with the stud, and the stud is arranged outside the top opening of the accommodating hole and connected with the disassembling part.
The sanitary vacuumizing device for the food industry is characterized in that the spherical seal A is a sealing pad matched with the accommodating hole, an arc-shaped concave surface is arranged on the sealing pad, the arc-shaped concave surface is matched with the spherical seat, and the sealing pad is fixed with the accommodating hole.
The above-mentioned sanitary-grade evacuating device for food industry, spherical seal B is including locating the spherical groove of dismantling portion tip and spherical seat adaptation, has seted up the ring channel around the spherical groove, is equipped with the screw hole in the middle of the spherical groove, is equipped with the sphere sealing washer with spherical groove and ring channel adaptation in spherical groove and ring channel, double-screw bolt and screw hole threaded connection.
The invention has the beneficial effects that: the pump body adopts a sealing unitSealing unit->The end cover and the distribution plate as well as the distribution plate and the pump shell are reliably sealed, so that good sealing performance is ensured, the pump is attractive, no dead angle exists, the whole pump is convenient to clean, and the inside and the outside of the pump body can be cleaned by adopting high-temperature high-pressure cleaning, steam cleaning or chemical cleaning agents; the sealing structure is arranged on the fastener, so that the joint of the fastener and the fastener can be reliably sealed, and the sanitation grade is high; the footing supports and adopts the fine setting portion to finely tune to the uneven condition in ground, guarantee holistic steadiness, and do not have the dead angle of depositing bacterium and dust, be convenient for wash, adopt seal structure A to seal adjusting sleeve and base bottom contact department, prevent that the junction from producing the gap and causing gap department to pollute, adopt seal structure B to seal the junction of supporting stud and adjusting sleeve, avoid junction to produce and deposit dirty gap, seal structure C carries out reliable seal to dismantling portion and supporting footing junction, the supporting stability is good, and can prevent the production of junction and deposit dirty gap, wholly can adopt high temperature high pressure cleaning, steam cleaning or chemical cleaner washs.
Drawings
FIG. 1 is a schematic diagram of the overall structure A of the present invention;
FIG. 2 is a schematic diagram B of the overall structure of the present invention;
FIG. 3 is a schematic view of the overall structure of the pump body;
FIG. 4 is a cross-sectional view of the pump body;
FIG. 5 is a front view of the pump body;
FIG. 6 is a rear view of the end cap;
FIG. 7 is a front view of a distributor plate;
FIG. 8 is a rear view of the distributor plate;
FIG. 9 is a schematic view of the pump housing mechanism;
FIG. 10 is a schematic view of an impeller construction;
FIG. 11 is a schematic structural view of a valve plate;
FIG. 12 is a schematic structural view of a fastener;
FIG. 13 is a cross-sectional view of a fastener;
FIG. 14 is a cross-sectional view of a gasket in a sealing configuration;
FIG. 15 is a schematic view of the structure of the foot support;
FIG. 16 is a cross-sectional view of the foot support;
FIG. 17 is a cross-sectional view of the adjustment sleeve;
FIG. 18 is a cross-sectional view of the support stud;
FIG. 19 is a schematic view of the structure of the support foot;
FIG. 20 is a cross-sectional view of a spherical seal ring;
FIG. 21 is an enlarged view of a portion A of FIG. 16;
FIG. 22 is an enlarged view of a portion B of FIG. 16;
fig. 23 is a partially enlarged view of a portion C in fig. 16.
Detailed Description
The invention is further described below with reference to the accompanying drawings and specific examples.
As shown in figures 1 and 2, an IP 69K-level water ring vacuum pump assembly comprises a base 1, a pump body 2 and a motor 3 connected with the pump body 2 are fixed on the base 1, foot supports 4 with adjustable heights are respectively arranged at four corners of the base 1, a sealing unit 29 is arranged at the joint of the pump body 2 and the motor 3, the sealing unit 29 comprises opposite sealing grooves arranged on the pump body 2 and the motor 3, the sealing grooves can be concave triangular grooves or circular arc grooves or sealing grooves in other forms, sealing rings are arranged in the sealing grooves, a liquid inlet 62, an air suction port 63 and an air outlet 64 are arranged at one side of the pump body 2, a connecting pipe A65, a pipe B66 and a pipe C67 are respectively corresponding to the liquid inlet 62, the air suction port 63 and the air outlet 64, a vertical liquid inlet pipe 110 is detachably connected to the pipe A65, a ball valve 111, a filter 68 and an electric control valve 69 are sequentially arranged from top to bottom, the electric control valve 69 can be any one of a pneumatic angle seat valve, an electromagnetic valve or an electric valve, an air inlet pipe 70 is detachably connected to a pipe B66 pipe orifice 67, a detachable pipe orifice 67 is detachably connected to a liquid separator is detachably connected to the pump body 2, a high-pressure cleaner is also arranged on the outer side of the pump body or the pump body, and the pump is cleaned by adopting a high-pressure cleaning technology, and the high-pressure cleaner is also provided with a vacuum cleaner, and the pump is provided with a cleaning technology, and can be cleaned;
as shown in fig. 3 to 11, the pump body 2 comprises an end cover 8 with an air suction hole 6 and an air outlet hole 7, the air suction hole 63 is positioned at the air suction hole 6, the air outlet 64 is positioned at the air outlet hole 7, a distributing plate 9 detachably connected with the end cover 8 is connected with the end cover by long screws, and air inlet cavities communicated with the air suction hole 6 are respectively arranged on the contact surfaces of the end cover 8 and the distributing plate 910. And a vent chamber communicating with the vent hole 7 +.>11, a pump shell 14 detachably connected with the distributing plate 9 and provided with a containing cavity 12 and an eccentric shaft hole 13, and an impeller 28 rotatably connected with the eccentric shaft hole 13 and arranged in the containing cavity 12, wherein the impeller 28 is a conventional impeller sold in the market in the prior art, and is not repeated, the end cover 8, the distributing plate 9 and the pump shell 14 are all provided with cylinders with the same diameter, and a sealing unit is arranged at the joint of the end cover 8 and the outer surface of the distributing plate 9>15, the sealing unit->15 is a triangular groove 16 respectively arranged at the joint of the end cover 8 and the outer surface of the distribution plate 9 and an O-shaped sealing ring arranged in the triangular groove 16, the end cover 8 and the distribution plate 9 are respectively provided with a liquid inlet 17 communicated with the accommodating cavity 12, a liquid inlet 62 is arranged at the liquid inlet 17, the liquid inlet 17 is arranged at the central positions of the end cover 8 and the distribution plate 9, the air suction hole 6 and the air outlet 7 are symmetrically arranged at the two sides of the liquid inlet 17, and the air inlet cavity on the distribution plate 9 is the same as the air inlet cavity on the distribution plate 9>10 are provided with an air inlet 18 in the exhaust chamber in the distributor plate 9>11 are provided with a liquid outlet 19 and a plurality of air outlets 20, the size of the air outlets 20 is smaller than that of the liquid outlet 19, the distributing plate 9 is provided with a valve plate 21 for blocking the air outlets 20, the valve plate 21 comprises a fixing plate 22 fixedly connected with the distributing plate 9 and a plurality of shielding sheets 23 integrally connected with the fixing plate 22 and used for blocking the air outlets 20, the fixing connection is screw connection, the two adjacent shielding sheets 23 are disconnected, the fixing mode is screw connection, the contact surface between the distributing plate 9 and the end cover 8 is provided with an air inlet cavity communicated with the air inlet 18, and the air inlet cavity is arranged on the contact surface between the distributing plate 9 and the end cover 8>24 and a liquid discharge cavity 25 communicated with the liquid outlet 19, specifically configured as follows: air inlet chamber->24 and a liquid discharge chamber 25 are arranged on the distribution plate 9, and an air inlet chamber is +.>24 is larger than the drain cavity 25 in size, a sealing unit is arranged at the joint of the distribution plate 9 and the outer surface of the pump shell 14>26, the sealing unit-> 26 is a triangular sealing groove 27 respectively arranged at the joint of the distribution plate 9 and the outer surface of the pump shell 14, and an O-shaped sealing ring arranged in the triangular sealing groove 27; the end cover 8, the distribution plate 9 and the pump body 14All are made of stainless steel materials;
as shown in fig. 12 to 14, the end cover 8 is provided with a fastener 43 connected with the distributing plate 9 and the pump casing 14, the fastener 43 is a flange bolt, the flange bolt comprises a screw head 54, a flange 55 connected with the screw head 54 and a stud 56 connected with the flange, the screw head 54 is integrally arranged with the flange 55 and the stud 56, the connecting end of the flange 55 and the screw head 54 is provided with an arc-shaped surface 57, the connecting part of the flange 55 and the stud 56 is provided with a sealing structure 57, the sealing structure 57 comprises a truncated cone-shaped sealing part 58 arranged at the connecting part of the flange 55 and the stud 56, a small end surface of the sealing part 58 is connected with the flange 55, a large end surface of the sealing part 58 is connected with the stud 56, a triangular sealing groove 59 is formed between the arc-shaped surface 57 of the sealing part 58 and the flange 55, and the radial dimension of the large end surface of the sealing part 58 is smaller than that of the flange 55; a circular truncated cone type sealing gasket 60 is connected with the sealing groove 59, the shape of the sealing gasket 60 is similar to that of the sealing part 58, the small end face of the sealing gasket 60 is in plane contact with the end face of the flange 55, and a circular truncated cone type matching hole 61 which is in contact with the sealing groove 59 is arranged in the center of the sealing gasket 60;
as shown in fig. 15 to 23, the foot support 4 comprises a support stud 72 in threaded connection with the bottom of the base 1 and a support foot 73 in threaded connection with the support stud 72, the support stud 72 and the support foot 73 are made of 304 stainless steel, the bottom surface of the support foot 73 is in contact with the ground, the support stud 72 comprises a threaded end 74 and a non-threaded end 75 integrally connected with the threaded end 74, an adjusting sleeve 76 is connected with the threaded end thread 74, the adjusting sleeve 76 is in a cylindrical structure and made of 304 stainless steel, two opposite U-shaped rotating notches 77 are formed in the adjusting sleeve 76, a sealing structure a78 and a sealing structure B79 are arranged between two ends of the adjusting sleeve 76 and the support stud 72,
one end of the sealing structure A78 is connected with the adjusting sleeve 76, the other end of the sealing structure A78 is contacted with the bottom of the base 1, the sealing structure A78 comprises a triangular sealing groove 80 which is circumferentially arranged along the end face of the adjusting sleeve 76, a round table sealing gasket 81 which is matched with the triangular sealing groove 80 is arranged in the triangular sealing groove 80, the contact surface of the round table sealing gasket 81 and the bottom of the base 1 is larger than the contact surface of the round table sealing gasket with the bottom of the triangular sealing groove 80, and the inner side surface of the round table sealing gasket 81 is provided with an inclined surface 82 which is matched with the triangular sealing groove 80;
the sealing structure B79 contacts with the non-threaded end 75 of the support stud 72, the sealing structure B79 comprises a ring-shaped sealing groove 83 circumferentially arranged along the other end part of the adjusting sleeve 76, and a sealing gasket 84 matched with the ring-shaped sealing groove 83 is arranged in the ring-shaped sealing groove 83;
the other end of the unthreaded end 75 is integrally connected with a disassembling part 85, the disassembling part 85 is in a cylindrical structure, two U-shaped disassembling notches 86 which are oppositely arranged are arranged on the disassembling part 85, a fine adjusting part 87 which is in threaded connection with the disassembling part 85 is rotationally connected at the center of the supporting foot 73, a spherical seal A88 is arranged between the supporting foot 73 and the fine adjusting part 87, a spherical seal B89 is arranged between the disassembling part 85 and the fine adjusting part 87,
the supporting foot 73 comprises a cylindrical bottom plate 90, a bottom end plane 91 of the bottom plate 90 is in contact with the ground, the top end of the bottom plate 90 is provided with an arc-shaped surface 92, a containing hole 93 penetrating through the bottom plate 90 is formed in the center of the bottom plate 90, the size of the top opening of the containing hole 93 is smaller than that of the bottom opening, the fine tuning part 87 is arranged in the containing hole 93 and can rotate in the containing hole 93, the spherical seal B89 is arranged in the containing hole 93 and below the fine tuning part 87, two symmetrical fixing grooves 94 are formed in the arc-shaped surface 92, the bottoms of the fixing grooves 94 are parallel to the ground, fixing holes 95 are formed in the fixing grooves 94 respectively, and the spherical seal B89 can be fixed through foundation bolts;
the fine adjustment part 87 is a spherical seat 96, the spherical seat 96 is arranged in the accommodating hole 93, less than half of the spherical seat 96 extends out of the top opening of the accommodating hole 93 and is limited by the top opening of the accommodating hole 93, the center of the spherical seat 96 is connected with a stud 97, the connection mode can be integrated connection, a threaded hole can be formed in the center of the spherical seat 96, the stud 97 is connected in the threaded hole in a threaded way, and the stud 97 is arranged outside the top opening of the accommodating hole 93 and is connected with the dismounting part 85;
the spherical seal A88 is a sealing gasket 98 matched with the accommodating hole 93, an arc-shaped concave surface 99 is arranged on the sealing gasket 98, the arc-shaped concave surface 99 is matched with the spherical seat 96, and the sealing gasket 98 is fixed with the accommodating hole 93;
the spherical seal B89 comprises a spherical groove 100 which is arranged at the end part of the dismounting part 85 and is matched with the spherical seat 96, an annular groove 101 is formed around the spherical groove 100, a threaded hole 112 is formed in the middle of the spherical groove 100, spherical sealing rings 102 which are matched with the spherical groove 100 and the annular groove 101 are arranged in the spherical groove 100 and the annular groove 101, a stud 97 is in threaded connection with the threaded hole 112, the spherical sealing rings 102 comprise an annular sealing part 103 which is matched with the annular groove 101 and a round platform sealing part 104 which is integrally connected with the annular sealing part 103, a round hole 105 is formed in the middle of the annular sealing part 103 and the round platform sealing part 104, a spherical sealing groove 106 is formed from the round platform sealing part 104 to the annular sealing part 103, and the spherical sealing groove 106 is matched with the spherical seat 96;
the sealing structure C107 is arranged along the outer circumference of the supporting foot 73, the sealing structure C107 is in contact with the ground to seal the joint of the supporting foot 73 and the ground, and the sealing structure C107 comprises a triangular groove 108 formed along the circumference of the edge of the bottom plate 90 and a sealing gasket 109 matched with the triangular groove 108.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. A sanitary-grade evacuating device for food industry, its characterized in that: the hydraulic pump comprises a base, foot supports with adjustable heights are respectively arranged at four corners of the base, a pump body and a motor connected with the pump body are fixed on the base, a sealing unit is arranged at the joint of the pump body and the motor, a liquid inlet, an air suction port and an air outlet are formed in one side of the pump body, the liquid inlet, the air suction port and the air outlet are respectively corresponding to a connecting pipe A, a pipe B and a pipe C, a vertical liquid inlet pipe is detachably connected to a pipe orifice of the pipe A, a ball valve, a filter and an electric control valve are sequentially arranged on the liquid inlet pipe from top to bottom, an air inlet pipe is detachably connected to a pipe orifice of the pipe B, a vapor-liquid separator is detachably connected to a pipe orifice of the pipe C, and an air supplementing silencer is also connected to the pump body;
the pump body comprises an end cover with an air suction hole and an air outlet hole, a distributing plate detachably connected with the end cover, a pump shell detachably connected with the distributing plate and provided with an accommodating cavity and an eccentric shaft hole, and an impeller rotationally connected with the eccentric shaft hole, wherein an air inlet cavity communicated with the air suction hole and an air outlet cavity communicated with the air outlet hole are respectively arranged on the contact surface of the end cover and the distributing plate, a sealing unit is arranged at the joint of the outer surfaces of the end cover and the distributing plate, the end cover and the distributing plate are respectively provided with an air inlet communicated with the accommodating cavity, an air inlet is arranged in the air inlet cavity on the distributing plate, a liquid outlet and a plurality of air outlets are arranged in the air outlet cavity on the distributing plate, a valve plate for blocking the air outlets is arranged on the contact surface between the distributing plate and the end cover, and a sealing unit is arranged at the joint of the outer surfaces of the distributing plate and the pump shell;
the size of the exhaust port is smaller than that of the liquid outlet, the size of the air inlet cavity is larger than that of the liquid outlet cavity, the sealing units are triangular grooves respectively formed in the connecting positions of the end cover and the outer surface of the distribution plate and O-shaped sealing rings arranged in the triangular grooves, and the sealing units are triangular sealing grooves respectively formed in the connecting positions of the distribution plate and the outer surface of the pump shell and O-shaped sealing rings arranged in the triangular sealing grooves; the liquid inlet holes are arranged at the center positions of the end cover and the distribution plate, and the air suction holes and the air outlet holes are symmetrically arranged at two sides of the liquid inlet holes.
2. The sanitary-grade evacuation device for the food industry of claim 1, wherein: the end cover is provided with a fastener connected with the distributing plate and the pump shell, the fastener is a flange bolt, the flange bolt comprises a screw head, a flange connected with the screw head and a stud connected with the flange, the connecting end of the flange and the screw head is provided with an arc-shaped surface, and a sealing structure is arranged at the joint of the flange and the screw column.
3. The sanitary-grade evacuation device for the food industry of claim 2, wherein: the sealing structure comprises a truncated cone-shaped sealing part arranged at the joint of the flange and the screw column, a small end face of the sealing part is connected with the flange, a large end face of the sealing part is connected with the screw column, a triangular sealing groove is formed between an arc-shaped face of the sealing part and the flange, the radial dimension of the large end face of the sealing part is smaller than that of the flange, a truncated cone-shaped sealing gasket is connected with the sealing groove, the shape of the sealing gasket is similar to that of the sealing part, the small end face of the sealing gasket is in plane contact with the flange end, and a truncated cone-shaped matching hole in contact with the sealing groove is formed in the center of the sealing gasket.
4. The sanitary-grade evacuation device for the food industry of claim 1, wherein: the footing support includes with base bottom threaded connection's support double-screw bolt and with support double-screw bolt threaded connection's support footing, the bottom surface and the ground contact of support footing, its characterized in that: the support stud comprises a threaded end and a non-threaded end integrally connected with the threaded end, an adjusting sleeve is connected with the threaded end in a threaded mode, a sealing structure A and a sealing structure B are arranged between two ends of the adjusting sleeve and the support stud, a dismounting part is integrally connected with the other end of the non-threaded end, a fine adjusting part in threaded connection with the dismounting part is rotatably connected at the center of the support foot, a spherical seal A is arranged between the support foot and the fine adjusting part, a spherical seal B is arranged between the dismounting part and the fine adjusting part, the support stud further comprises a sealing structure C which is circumferentially arranged along the outer circumference of the support foot, and the connecting part of the support foot and the ground is sealed by the sealing structure C and ground contact.
5. The sanitary-grade evacuation device for the food industry of claim 4, wherein: the supporting footing comprises a cylindrical bottom plate, the bottom end plane of the bottom plate is in contact with the ground, the top end of the bottom plate is provided with an arc-shaped surface, a containing hole penetrating through the bottom plate is formed in the center of the bottom plate, the size of the top opening of the containing hole is smaller than that of the bottom opening, the fine adjustment part is arranged in the containing hole and can rotate in the containing hole, the spherical seal B is arranged in the containing hole and below the fine adjustment part, two symmetrical fixing grooves are formed in the arc-shaped surface, the bottoms of the fixing grooves are parallel to the ground, and the fixing holes are formed in the fixing grooves respectively.
6. The sanitary-grade evacuation device for the food industry of claim 4, wherein: the fine adjustment part is a spherical seat, the spherical seat is arranged in the accommodating hole, one half part of the spherical seat is smaller than the top opening of the accommodating hole and limited by the top opening of the accommodating hole, the center of the spherical seat is connected with a stud, and the stud is arranged outside the top opening of the accommodating hole and connected with the dismounting part.
7. The sanitary-grade evacuation device for the food industry of claim 5, wherein: the spherical seal A is a sealing gasket matched with the accommodating hole, an arc-shaped concave surface is arranged on the sealing gasket, the arc-shaped concave surface is matched with the spherical seat, and the sealing gasket is fixed with the accommodating hole.
8. The sanitary-grade evacuation device for the food industry of claim 5, wherein: the spherical seal B comprises a spherical groove which is arranged at the end part of the disassembly part and is matched with the spherical seat, an annular groove is formed around the spherical groove, a threaded hole is formed in the middle of the spherical groove, spherical sealing rings which are matched with the spherical groove and the annular groove are arranged in the spherical groove and the annular groove, and the stud is in threaded connection with the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910121722.5A CN109707640B (en) | 2019-02-19 | 2019-02-19 | Sanitary vacuum-pumping device for food industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910121722.5A CN109707640B (en) | 2019-02-19 | 2019-02-19 | Sanitary vacuum-pumping device for food industry |
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| Publication Number | Publication Date |
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| CN109707640A CN109707640A (en) | 2019-05-03 |
| CN109707640B true CN109707640B (en) | 2024-02-13 |
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| Publication number | Publication date |
|---|---|
| CN109707640A (en) | 2019-05-03 |
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