CN210317696U - Professional-grade diaphragm pump - Google Patents
Professional-grade diaphragm pump Download PDFInfo
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- CN210317696U CN210317696U CN201921192401.6U CN201921192401U CN210317696U CN 210317696 U CN210317696 U CN 210317696U CN 201921192401 U CN201921192401 U CN 201921192401U CN 210317696 U CN210317696 U CN 210317696U
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Abstract
The utility model discloses a professional-grade diaphragm pump, which comprises a lower valve body, an upper valve body, a left middle valve body connected between the left end of the upper valve body and the left end of the lower valve body, a right middle valve body connected between the right end of the upper valve body and the right end of the lower valve body, and a pneumatic motor, wherein a left air passage valve block and a right air passage valve block act in a left air passage and a right air passage on the side wall of a motor shell, when the left air passage valve block is sealed and arranged on the left air passage on the side wall of the motor shell, the right air passage valve block is separated from the inner wall of the right air passage on the side wall of the motor shell to form an air inlet gap, so that the opening and closing speed of the valve block is improved, the action speed of the air pump valve is further improved, the action feedback time is short, the working efficiency of the pump liquid is high, the plane of the gasket tightly attached to a sealing ring is a, the supporting distance is decreased gradually from the center of the first connecting bolt to the periphery, so that the stress of the diaphragm is uniform, and the service life of the diaphragm is effectively prolonged.
Description
Technical Field
The utility model relates to a professional level diaphragm pump.
Background
The membrane pump is actually a stopcock pump and protects the spool and pump chamber by separating the fluid to be infused from the spool and pump chamber by means of a membrane. The parts of the diaphragm, which are contacted with the liquid, are made of corrosion-resistant materials or coated with a layer of corrosion-resistant substance; the diaphragm right side is full of water or oil, and the pneumatic motor sensitivity of current diaphragm pump is lower, and the action feedback is long, leads to pump liquid work efficiency low, and the uneven local easy ageing of diaphragm atress leads to whole diaphragm impaired very fast.
Disclosure of Invention
The utility model aims at providing a high and long service life's of work efficiency professional level diaphragm pump.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a professional-grade diaphragm pump comprises a lower valve body, an upper valve body, a left middle valve body connected between the left end of the upper valve body and the left end of the lower valve body, and a right middle valve body connected between the right end of the upper valve body and the right end of the lower valve body, wherein the upper valve body, the lower valve body, the left middle valve body and the right middle valve body are spliced to form a rectangular pipeline, an upper left valve cavity is formed inside the left end of the upper valve body and the upper end of the left middle valve body, a lower left valve cavity is formed inside the left end of the lower valve body and the lower end of the left middle valve body, an upper right valve cavity is formed inside the right end of the upper valve body and the upper end of the right middle valve body, a lower right valve cavity is formed inside the right end of the lower valve body and the lower end of the right middle valve body, an outlet and an inlet are respectively formed in the middle parts of the upper valve body and the lower valve body, a left storage cavity and a right, the pneumatic motor comprises a motor shell, an air pump which is arranged on the motor shell and used for supplying air to the motor, a guide sleeve fixedly arranged in the motor shell, a sliding shaft arranged on the guide sleeve in a penetrating manner, a diaphragm fixing piece fixed on the sliding shaft, a diaphragm fixed on the diaphragm fixing piece and coaxially arranged on the sliding shaft with the diaphragm fixing piece, wherein the diaphragm is used for dividing the left storage cavity and the right storage cavity into a left feeding cavity, a left air inlet cavity, a right feeding cavity and a right air inlet cavity, the air pump includes the air supply, connect in on the air supply and locate in the motor casing and respectively with left air inlet chamber and right air inlet chamber to the inlet channel of UNICOM, locate on the inlet channel and be used for control the gas of air pump gets into the air pump valve in left air inlet chamber or right air inlet chamber.
Another kind is preferred, the diaphragm include the diaphragm, locate left storage cavity or right storage cavity in and with diaphragm looks fixed connection's backup pad, the backup pad include with coaxial and fixed connection's of slide shaft first connecting bolt, cover establish with on the first connecting bolt and by the spiral shell head of first connecting bolt compresses tightly with the endotheca at diaphragm middle part, be located the overcoat of endotheca outer lane and connect in connecting rod between endotheca and the overcoat.
Another preferred, the end face of the inner sleeve facing away from the pneumatic motor is provided with a circular mounting groove coaxial with the circular hole in the middle of the inner sleeve, a gasket and a sealing ring are arranged between the screw head and the inner sleeve, the sealing ring is arranged in the mounting groove, one side of the sealing ring facing away from the pneumatic motor extends out of the mounting groove, and the gasket is tightly pressed on the sealing ring.
In another preferred embodiment, the plane where the gasket is tightly attached to the sealing ring is a first plane, the distance from one end surface of the connecting rod attached to the diaphragm to the first plane is a supporting distance, and the supporting distance is decreased gradually from the center of the first connecting bolt to the periphery.
Another preferred, the air pump valve includes a first air pump valve body, a second air pump valve body, a left air pump air passage and a right air pump air passage respectively communicated with the left air inlet cavity or the right air inlet cavity are disposed on the inner portion of the first air pump valve body, the inner portion of the second air pump valve body and the side wall of the motor shell, an intermediate air pump air passage located between the left air pump air passage and the air pump air passage, a left air passage valve plate and a right air passage valve plate located between the second air pump valve body and the motor shell and respectively used for opening or closing the left air pump air passage and the right air pump air passage, an air pump valve seat fixedly disposed between the first air pump valve body and the second air pump valve body, a valve block disposed in the first air pump valve body and moving up and down, a displacement cylinder disposed in the first air pump valve body and used for driving the valve block to move up and down, a first air pump valve seat disposed on the left air pump air passage and a, The valve block is provided with two working positions under the drive of the displacement cylinder, the valve block is respectively covered on the left air hole and avoids the right air hole and the middle air hole, and is covered on the right air hole and avoids the left air hole and the middle air hole, the middle air pump air hole is extended to the side wall of the motor shell by an air pump valve and is communicated with the motor shell, the left air channel valve block and the right air channel valve block act in the left air channel and the right air channel on the side wall of the motor shell, when the left air channel valve block is arranged on the left air channel on the side wall of the motor shell in a sealing way, the right air channel valve block and the inner wall forming the right air channel on the side wall of the motor shell are separated to form an air inlet gap, when the right air channel valve block is arranged on the right air channel on the side wall of the motor shell in a sealing way, the left air channel valve plate is separated from the inner wall of the left air channel formed on the side wall of the motor shell to form an air inlet gap.
In another preferred mode, a first sealing ring and a second sealing ring are arranged between the valve seat and the second air pump valve body, the first sealing ring is consistent with the contour of the air pump valve seat, and the second sealing ring is consistent with the hole patterns of the left air pump air passage, the right air pump air passage and the middle air pump air passage on the second air pump valve body.
Preferably, the left air hole and the right air hole are consistent in size and larger in cross-sectional area than the middle air hole.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses utilize left air flue valve block and action in left air flue and the right air flue of right air flue valve block on the motor casing lateral wall, when left air flue valve block sealed lid locates the left air flue on the motor casing lateral wall on, the inner wall of right air flue valve block and the right air flue that forms on the motor casing lateral wall is separated and is formed air intake gap, the valve block switching speed that makes improves, and then the action speed of air pump valve has been improved, action feedback time is short, make pump liquid work efficiency high, and the gasket is the first plane with the tight face place plane of sealing ring subsides, a terminal surface that connecting rod and diaphragm were laminated mutually is the support distance to first planar distance, the support distance is steadilyd decrease all around by the center of first connecting bolt, make the diaphragm atress even, its life has effectually been improved.
Drawings
FIG. 1 is a perspective view of the professional-grade diaphragm pump of the present invention;
FIG. 2 is an exploded view of the professional-grade diaphragm pump of the present invention;
fig. 3 is an exploded view of the air motor of the professional-grade diaphragm pump of the present invention.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
As shown in fig. 1/2/3, the professional-grade diaphragm pump includes a lower valve body 1, an upper valve body 2, a left middle valve body 3 connected between the left end of the upper valve body 2 and the left end of the lower valve body 1, and a right middle valve body 4 connected between the right end of the upper valve body 2 and the right end of the lower valve body 1, wherein the upper valve body 2, the lower valve body 1, the left middle valve body 3, and the right middle valve body 4 are spliced to form a rectangular pipeline, a left upper valve chamber 5 is formed inside the left end of the upper valve body 2 and the upper end of the left middle valve body 3, a left lower valve chamber 6 is formed inside the left end of the lower valve body 1 and the lower end of the left middle valve body 3, a right upper valve chamber 7 is formed inside the right end of the upper valve body 2 and the upper end of the right middle valve body 4, a right lower valve chamber 8 is formed inside the right end of the right middle valve body 1 and the lower valve chamber 4, the professional-grade diaphragm pump comprises a left material storage cavity 18 and a right material storage cavity 19 which are respectively arranged in the middle of the left middle valve body 3 and the right middle valve body 4 and are symmetrical, a diaphragm 16 which is respectively arranged in the left material storage cavity and the right material storage cavity and is used for sucking and sending out materials, a pneumatic motor which is arranged between the left material storage cavity and the right material storage cavity and drives the diaphragm to move, and a ball valve 48 which is arranged in the left lower valve cavity, the left upper valve cavity, the right lower valve cavity and the right upper valve cavity, an inlet 10, the left lower valve cavity 6, the left material storage cavity, the left upper valve cavity 5, an outlet 9, an inlet 10, the right lower valve cavity 8, the right material storage cavity, the right upper valve cavity 7 and.
The pneumatic motor comprises a motor shell 11, a frame-shaped sealing ring 49 hermetically connected between the motor shell 11 and a left storage cavity 18 and a right storage cavity 19, an air pump 12 arranged on the motor shell 11 and used for supplying air into the motor, a guide sleeve 13 fixedly arranged in the motor shell 11, a sliding shaft 14 penetrating through the guide sleeve 13, a diaphragm fixing piece fixed on the sliding shaft 14, a diaphragm fixed on the diaphragm fixing piece and coaxially arranged on the sliding shaft 14 with the diaphragm fixing piece, the diaphragm fixing piece is provided with two soft fixing pieces 15 and 17 tightly attached to the diaphragm, the soft fixing pieces are positioned between the diaphragm and the hard fixing pieces, the diaphragm 16 divides the left storage cavity 18 and the right storage cavity 19 into a left feeding cavity, a left air inlet cavity, a right feeding cavity 20 and a right air inlet cavity 21, the air pump comprises an air source 22, and an air inlet channel 23 connected to the air source 22 and arranged in the motor shell 11 and respectively communicated with the left air inlet cavity 21 and the right air inlet cavity, And an air pump valve 24 disposed on the air inlet channel 23 and used for controlling air of the air pump to enter the left air inlet chamber 21 or the right air inlet chamber. The air pump valve 24 comprises a first air pump valve body 25 and a second air pump valve body 26, a left air pump air passage 27 and a right air pump air passage 28 which are respectively communicated with the left air inlet cavity 21 or the right air inlet cavity are arranged in the first air pump valve body 25 and the second air pump valve body 26 and on the side wall of the motor shell 11, an intermediate air pump air passage between the air pump air passage and the air pump air passage, a left air passage valve plate 29 and a right air passage valve plate 30 which are arranged between the second air pump valve body 26 and the motor shell 11 and are respectively used for opening or closing the left air pump air passage 27 and the right air pump air passage 28, an air pump valve seat 31 which is fixedly arranged between the first air pump valve body 25 and the second air pump valve body 26, a valve block 32 which is arranged in the first air pump valve body 25 and moves up and down along the first air pump valve body 25, and a displacement cylinder 33 which is arranged in the first air pump valve body 25 and is used for driving the, The right air pump air passage 28 and the middle air pump air passage are correspondingly communicated with the left air hole 34, the right air hole 35 and the middle air hole 36, the valve block 32 is driven by the displacement cylinder 33 to have two working positions, which are respectively covered on the left air hole 34 and avoid the right air hole 35 and the middle air hole 36, and covered on the right air hole 35 and avoid the left air hole 34 and the middle air hole 36, the middle air pump air passage extends from the air pump valve 24 to the side wall of the motor shell 11 and is not communicated with the motor shell 11, the left air passage valve plate 29 and the right air passage valve plate 30 act in the left air passage and the right air passage on the side wall of the motor shell 11, when the left air passage valve plate 29 is sealed and arranged on the left air passage on the side wall of the motor shell 11, the right air passage valve plate 30 is separated from the inner wall forming the right air passage on the side wall of the motor shell 11 to form an air inlet gap, when the, the left air duct valve plate 29 is separated from the inner wall forming the left air duct on the side wall of the motor housing 11 to form an intake gap. A first sealing ring 37 and a second sealing ring 38 are arranged between the valve seat and the second air pump valve body 26, the first sealing ring 37 is consistent with the outline of the air pump valve seat 31, and the second sealing ring 38 is consistent with the hole patterns of the left air pump air passage 27, the right air pump air passage 28 and the middle air pump air passage on the second air pump valve body 26. The left air hole 34 and the right air hole 35 are consistent in size and larger in cross-sectional area than the middle air hole 36.
The diaphragm 16 includes a diaphragm 41, a supporting plate 39 disposed in the left material storage chamber 18 or the right material storage chamber 19 and fixedly connected to the diaphragm 41, wherein the supporting plate 39 includes a first connecting bolt 40 coaxial with the sliding shaft 14 and fixedly connected to the sliding shaft, an inner sleeve 42 sleeved on the first connecting bolt 40 and pressed by a screw head of the first connecting bolt to the middle of the diaphragm 41, an outer sleeve 44 located on an outer ring of the inner sleeve 42, and a connecting rod 43 connected between the inner sleeve 42 and the outer sleeve 44. The end face of the inner sleeve 42, facing away from the pneumatic motor, is provided with a circular mounting groove 45 coaxial with the self middle round hole, a gasket 46 and a sealing ring 47 positioned between the gasket 46 and the mounting groove 45 are arranged between the screw head and the inner sleeve 42, the sealing ring 47 is arranged in the mounting groove, one side of the sealing ring, facing away from the pneumatic motor, extends out of the mounting groove, and the gasket is pressed on the sealing ring 47. The plane of the tight contact surface of the gasket 46 and the sealing ring 47 is a first plane, and the distance from one end surface of the contact surface of the connecting rod 43 and the diaphragm 41 to the first plane is a supporting distance, and the supporting distance decreases from the center of the first connecting bolt 40 to the periphery.
The air source charges air into the motor shell, the air cylinder drives the valve block to move up and down to enable the left air passage and the right air passage to be sequentially communicated in a circulating mode, the diaphragms in the left material storage cavity and the right material storage cavity are driven to move in the same direction, and the inlet 10, the left lower valve cavity 6, the left material storage cavity, the left upper valve cavity 5, the outlet 9, the inlet 10, the right lower valve cavity 8, the right material storage cavity, the right upper valve cavity 7 and the outlet 9 sequentially form communicated feeding channels for feeding.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A professional-grade diaphragm pump comprises a lower valve body, an upper valve body, a left middle valve body connected between the left end of the upper valve body and the left end of the lower valve body, and a right middle valve body connected between the right end of the upper valve body and the right end of the lower valve body, wherein the upper valve body, the lower valve body, the left middle valve body and the right middle valve body are spliced to form a rectangular pipeline, an upper left valve cavity is formed inside the left end of the upper valve body and the upper end of the left middle valve body, a lower left valve cavity is formed inside the left end of the lower valve body and the lower end of the left middle valve body, an upper right valve cavity is formed inside the right end of the upper valve body and the upper end of the right middle valve body, a lower right valve cavity is formed inside the right end of the lower valve body and the lower end of the right middle valve body, an outlet and an inlet are respectively formed in the middle parts of the upper valve body and the lower valve body, a left storage cavity and a right, the left side storage cavity and the right storage cavity are internally provided with diaphragms used for sucking and delivering materials respectively, a drive is arranged between the left side storage cavity and the right storage cavity, and a pneumatic motor for the diaphragm to act is arranged between the inlet, the left lower valve cavity, the left storage cavity, the left upper valve cavity and the outlet and the inlet, the right lower valve cavity, the right storage cavity, the right upper valve cavity and the outlet form a feeding channel respectively, and the device is characterized in that: pneumatic motor includes the motor casing, is equipped with air pump, the fixed locating that is used for on the motor casing to the interior air feed of motor the uide bushing in the motor casing, wears to locate slide spindle on the uide bushing, be fixed in epaxial diaphragm stationary blade of slide the diaphragm be fixed in on the diaphragm stationary blade and with the coaxial locating of diaphragm stationary blade on the slide spindle, the diaphragm divide into left storage chamber and right storage chamber left side feeding chamber and right feeding chamber and the chamber of admitting air, the air pump include the air supply, connect in on the air supply and locate in the motor casing and respectively with left side feeding chamber and right feeding chamber to the inlet channel of UNICOM, locate on the inlet channel and be used for control the gas of air pump gets into the air pump valve in left side feeding chamber or the chamber of admitting air on the right side.
2. Professional grade membrane pump according to claim 1, characterized in that: the diaphragm includes the diaphragm, locate left storage cavity or right storage cavity in and with diaphragm looks fixed connection's backup pad, the backup pad include with coaxial and fixed connection's of slide-axle first connecting bolt, cover establish with on the first connecting bolt and quilt the spiral shell head of first connecting bolt compress tightly with the endotheca at diaphragm middle part, be located the overcoat of endotheca outer lane and connect in connecting rod between endotheca and the overcoat.
3. Professional grade membrane pump according to claim 2, characterized in that: the end face of the inner sleeve, facing away from the pneumatic motor, is provided with a circular mounting groove coaxial with a round hole in the middle of the inner sleeve, the screw head is provided with a gasket between the inner sleeve and a sealing ring between the gasket and the mounting groove, the sealing ring is arranged in the mounting groove, one side of the sealing ring, facing away from the pneumatic motor, extends out of the mounting groove, and the gasket is tightly pressed on the sealing ring.
4. Professional grade membrane pump according to claim 3, characterized in that: the plane of the surface, close to the sealing ring, of the gasket is a first plane, the distance from one end face, close to the membrane, of the connecting rod to the first plane is a supporting distance, and the supporting distance is gradually decreased from the center of the first connecting bolt to the periphery.
5. Professional grade membrane pump according to claim 1, characterized in that: the air pump valve comprises a first air pump valve body and a second air pump valve body, wherein a left air pump air passage and a right air pump air passage which are respectively communicated with a left air inlet cavity or a right air inlet cavity are arranged in the first air pump valve body and the second air pump valve body and on the side wall of the motor shell, an intermediate air pump air passage which is positioned between the air pump air passage and the air pump air passage is arranged, the second air pump valve body is arranged between the motor shell and is respectively used for opening or closing a left air passage valve block and a right air passage valve block of the left air pump air passage and the right air pump air passage, an air pump valve seat which is fixedly arranged between the first air pump valve body and the second air pump valve body, a valve block which is arranged in the first air pump valve body and is used for driving the valve block to move up and down, and a displacement cylinder which is arranged in the first air pump valve body and is used for driving the valve block, The valve block is provided with two working positions under the drive of the displacement cylinder, the valve block is respectively covered on the left air hole and avoids the right air hole and the middle air hole, and is covered on the right air hole and avoids the left air hole and the middle air hole, the middle air pump air hole is extended to the side wall of the motor shell by an air pump valve and is communicated with the motor shell, the left air channel valve block and the right air channel valve block act in the left air channel and the right air channel on the side wall of the motor shell, when the left air channel valve block is arranged on the left air channel on the side wall of the motor shell in a sealing way, the right air channel valve block and the inner wall forming the right air channel on the side wall of the motor shell are separated to form an air inlet gap, when the right air channel valve block is arranged on the right air channel on the side wall of the motor shell in a sealing way, the left air channel valve plate is separated from the inner wall of the left air channel formed on the side wall of the motor shell to form an air inlet gap.
6. Professional grade membrane pump according to claim 5, characterized in that: the valve seat with be equipped with first sealing washer and second sealing washer between the second air pump valve body, first sealing washer with the profile of air pump valve seat is unanimous, the second sealing washer with left side air pump air flue, right air pump air flue and middle air pump air flue are in the pass on the second air pump valve body is unanimous.
7. Professional grade membrane pump according to claim 5, characterized in that: the left air hole and the right air hole are consistent in size and larger in sectional area than the middle air hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921192401.6U CN210317696U (en) | 2019-07-26 | 2019-07-26 | Professional-grade diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921192401.6U CN210317696U (en) | 2019-07-26 | 2019-07-26 | Professional-grade diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210317696U true CN210317696U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921192401.6U Active CN210317696U (en) | 2019-07-26 | 2019-07-26 | Professional-grade diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210317696U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894837A (en) * | 2020-08-07 | 2020-11-06 | 台州辉腾泵业有限公司 | Diaphragm water pump |
| CN114856977A (en) * | 2022-04-18 | 2022-08-05 | 栾健 | Diaphragm pump with seal assembly |
-
2019
- 2019-07-26 CN CN201921192401.6U patent/CN210317696U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894837A (en) * | 2020-08-07 | 2020-11-06 | 台州辉腾泵业有限公司 | Diaphragm water pump |
| CN111894837B (en) * | 2020-08-07 | 2023-01-10 | 深圳市集创兴科技有限公司 | Diaphragm water pump |
| CN114856977A (en) * | 2022-04-18 | 2022-08-05 | 栾健 | Diaphragm pump with seal assembly |
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