CN213235399U - Air charging and discharging structure of pneumatic diaphragm pump capable of discharging air quickly - Google Patents
Air charging and discharging structure of pneumatic diaphragm pump capable of discharging air quickly Download PDFInfo
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- CN213235399U CN213235399U CN202021719362.3U CN202021719362U CN213235399U CN 213235399 U CN213235399 U CN 213235399U CN 202021719362 U CN202021719362 U CN 202021719362U CN 213235399 U CN213235399 U CN 213235399U
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Abstract
The utility model relates to a quick pneumatic diaphragm pump of exhaust fills exhaust structure, include: the air inlet valve is provided with an exhaust cavity, a shell of a main exhaust port communicated with the exhaust cavity, a lining plate connected with the left end of the shell and two air charging and exhausting valves for quickly exhausting air; the right end of the valve body of the air inlet valve is provided with a through hole which is sleeved outside the lining plate, and the right end of the valve body of the air inlet valve is connected with the left end of the shell; the quick exhaust and charge valve comprises: locate the left holding counter bore of casing left end, locate the right holding counter bore of left holding counter bore bottom surface, be located the quick exhaust passage of right holding counter bore outside and with the exhaust chamber intercommunication, the air guide hole that one end and right holding counter bore side wall intercommunication and the other end link up with the casing outside locates on the welt and the welt air guide port relative with left holding counter bore for switch welt air guide port and air guide hole intercommunication or quick exhaust passage and the gas filling of air guide hole intercommunication exhaust elasticity case.
Description
Technical Field
The utility model belongs to the technical field of pneumatic diaphragm pump technique and specifically relates to a quick pneumatic diaphragm pump of exhausting fills exhaust structure.
Background
The pneumatic diaphragm pump is a novel conveying machine taking compressed air as a power source, and has good conveying effect on liquid which is difficult to flow, dry powder and the like; the structure of the pneumatic diaphragm pump is known from a pneumatic diaphragm pump disclosed in the utility model of chinese patent application No. 201921672237.9; the air charging and discharging structure of the pneumatic diaphragm pump realizes air charging/discharging through the reciprocating sliding of the sliding block on the air guide plate in the air valve chamber; the bottom of the sliding block is provided with a groove, the air guide plate is provided with an exhaust hole, the left side and the right side are provided with two air guide holes, each air guide hole is respectively communicated with the diaphragm cavity through an inner pore passage of the pump, the exhaust hole is directly communicated with the exhaust cavity, the sliding block can simultaneously seal one air guide hole and the exhaust hole on the air guide plate, the groove at the bottom of the sliding block can communicate the two holes to form an exhaust channel (at the moment, the air guide hole is used as a part of the exhaust channel), and the other air guide hole is independent from the exhaust channel and is in an open state; compressed air enters the air valve from an external connecting pipeline, and is filled into the diaphragm air cavity on one side through the opened air guide hole, and meanwhile, the compressed air in the diaphragm air cavity on the other side is discharged, the discharge process is that the compressed air passes through the internal air guide hole from the diaphragm air cavity and enters the air guide hole sealed by the sliding block on the air guide plate, because the air guide hole and the exhaust hole are communicated by the groove at the bottom of the sliding block, the discharged compressed air enters the exhaust hole of the air guide plate through the groove at the bottom of the sliding block and is finally discharged to the exhaust cavity of the shell, and the discharge process is completed by the compressed air through a plurality of pore channels in the pneumatic diaphragm pump; the exhaust structure that fills of traditional pneumatic diaphragm pump exists the exhaust process and needs pass through a plurality of tunnels, the exhaust speed of pump reduces pump speed and flow slowly, the exhaust in-process because the compressed air inflation heat absorption, moisture in the air can the condensation, slider and air guide piece in the pneumatic valve are easily frozen, thereby take place the not enough of the dead shut down of pump card, consequently, the exhaust speed of design a pump improves pump speed and flow fast, the exhaust structure that fills of the quick pneumatic diaphragm pump of exhaust that the dead shut down of pump card can not take place, become the problem of treating urgent solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming present pneumatic diaphragm pump fill exhaust structure and have the exhaust process need pass through a plurality of tunnels, the exhaust velocity of pump reduces pump speed and flow relatively slowly, because compressed air inflation heat absorption in the exhaust process, moisture in the air can the condensation, slider and air guide piece in the pneumatic valve are easily frozen, thereby take place the not enough of the dead shut down of pump card, the exhaust velocity of a pump is the very fast improvement pump speed and flow, the quick pneumatic diaphragm pump of exhaust that the dead shut down of pump card can not take place and fill exhaust structure.
The utility model discloses a concrete technical scheme is:
an air charging and discharging structure of a rapid air discharging pneumatic diaphragm pump comprises: the air inlet valve is provided with an exhaust cavity, a shell of a main exhaust port communicated with the exhaust cavity, a lining plate connected with the left end of the shell and two air charging and exhausting valves for quickly exhausting air; the right end of the valve body of the air inlet valve is provided with a through hole which is sleeved outside the lining plate, and the right end of the valve body of the air inlet valve is connected with the left end of the shell; the quick exhaust and charge valve comprises: locate the left holding counter bore of casing left end, locate the right holding counter bore of left holding counter bore bottom surface, be located the quick exhaust passage of right holding counter bore outside and with the exhaust chamber intercommunication, the air guide hole that one end and right holding counter bore side wall intercommunication and the other end link up with the casing outside locates on the welt and the welt air guide port relative with left holding counter bore for switch welt air guide port and air guide hole intercommunication or quick exhaust passage and the gas filling of air guide hole intercommunication exhaust elasticity case.
Preferably, the charging and discharging elastic valve core comprises: the bowl opening part is positioned in the left accommodating counter bore, the small end of the bowl opening part is connected with the large end of the stepped shaft-shaped plugging ring, and the opening and closing opening part is formed by two to eight opening and closing claws, the left ends of the opening and closing claws are respectively connected with the small end of the plugging ring; the right end of the opening and closing port is positioned in the right accommodating counter bore; a convex ring which is coaxial with the air guide port of the lining plate and has an outer diameter smaller than the diameter of the left accommodating counter bore is arranged at the right end of the lining plate; the thickness of the large end of the stepped shaft-shaped plugging ring is smaller than the distance between the right end of the convex ring and the bottom surface of the left accommodating counter bore; the outer diameter of the convex ring is equal to or smaller than the inner diameter of the small end of the bowl mouth part; the quick exhaust passage is positioned outside the large end of the stepped shaft-shaped plugging ring.
Preferably, the first quick exhaust charging and exhausting valve of the two quick exhaust charging and exhausting valves is positioned at the rear upper side of the second quick exhaust charging and exhausting valve; the intake valve includes: a gas guide block which is arranged in the through hole and the right end of which is attached to the lining plate, a gas guide block exhaust port which is arranged on the gas guide block and is communicated with the exhaust cavity through a connecting pore passage arranged in the lining plate and the shell, a first gas guide port of the gas guide block which is arranged at the upper side of the gas guide block exhaust port and is communicated with the first lining plate gas guide port of the first rapid gas exhaust charging and discharging valve, the air guide block second air guide port is located on the lower side of the air guide block air outlet and communicated with the second lining plate air guide port of the second quick air charging and discharging valve for exhausting air, a piston is installed in the valve body, the motion direction of the piston is the up-down direction, a sliding block is installed on the outer side of the piston, the middle of the sliding block is surrounded, the right end of the sliding block is attached to the left end of the air guide block, a sliding block air guide port is arranged at the right end of the sliding block and used for switching the air guide block air outlet to be communicated with the first air guide port of the air guide block or communicated with the second air guide port of the.
Preferably, the lower end of the valve body is open and is provided with a blocking end cap.
Preferably, the material of the charging and discharging elastic valve core is rubber.
Compared with the prior art, the beneficial effects of the utility model are that: the air charging and discharging structure of the pneumatic diaphragm pump with quick air discharging has the advantages that the air discharging of the pneumatic diaphragm pump is directly discharged through the air charging and discharging valve with quick air discharging through the air discharging cavity and the main air discharging port, a component of an air inlet valve is not needed, the air discharging speed of the pump is high, the pump speed and the flow are improved, and the pump is not blocked and stopped. The material of the air charging and discharging elastic valve is elastic rubber, and the air charging and discharging elastic valve can realize the quick switching of an air charging path and an air discharging path through the reciprocating displacement between the lining plate and the shell, the deformation of the opening part of the bowl and the opening and closing of the opening and closing opening, and has a simple and compact structure. The air inlet valve drives the sliding block to reciprocate through the piston, so that the sliding block seals the second air guide port of the air guide block and the air guide block exhaust port, the second air guide port of the air guide block is in an open state, or the sliding block seals the first air guide port of the air guide block and the air guide block exhaust port, the second air guide port of the air guide block is in switching of the open state, and the quick switching of the air charging and discharging states of the two quick air charging and discharging valves for discharging air is realized. The lower end of the valve body is open and is provided with a plugging end cap, which is beneficial to assembly and disassembly. The air charging and discharging method of the air charging and discharging structure of the pneumatic diaphragm pump with quick air discharging can meet the requirements that the air discharging speed of the pump is high, the pump speed and the flow are improved, and the pump is not blocked and stops.
Drawings
Fig. 1 is a schematic structural diagram of the inflation state of a first rapid exhaust gas charging and discharging valve of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic structural diagram illustrating the exhaust state of the second rapid exhaust air charging/discharging valve of the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is an exploded view of the casing, lining plate and the rapid-exhausting air charging and discharging valve of the present invention.
In the figure: an air inlet valve 1, a through hole 11, a valve body 12, an air guide block 13, an air guide block exhaust port 14, an air guide block first air guide port 15, an air guide block second air guide port 16, a piston 17, a slider 18, a slider air guide port 19, an air inlet cavity 110, a valve body air inlet 111, a blocking end cap 112, a shell 2, an exhaust cavity 21, a total exhaust port 22, a first rapid exhaust air charging and discharging valve 3, a first liner air guide port 31, a first left accommodating counter bore 32, a first right accommodating counter bore 33, a first rapid exhaust channel 34, a first air guide hole 35, a first vent hole 36, a first stepped shaft-shaped blocking ring 37, a first bowl-shaped portion 38, a first opening and closing claw 39, a first convex ring 310, a second rapid exhaust air charging and discharging valve 4, a second liner air guide port 41, a second left accommodating counter bore 42, a second right accommodating counter bore 43, a second rapid exhaust channel 44, a second air guide hole 45, a second vent hole 46, a second stepped shaft-shaped blocking ring 47, a second bowl opening part 48, a second opening and closing claw 49, a second convex ring 410 and a lining plate 5.
Detailed Description
The invention will be further described with reference to the drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right" and "upper", "lower", "left", "right", "left", "right,
The directional or positional relationships "front", "back", "center", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are meant to be based on the directional or positional relationships illustrated in the drawings, and are intended to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
As shown in figures 1 to 5: an air charging and discharging structure of a rapid air discharging pneumatic diaphragm pump comprises: the air inlet valve 1 comprises a shell 2 provided with an exhaust cavity 21 and a main exhaust port 22 communicated with the exhaust cavity 21, a lining plate 5 screwed with the left end of the shell 2 and two air charging and exhausting valves for exhausting air rapidly; the right end of the valve body of the air inlet valve 1 is provided with a through hole 11 which is sleeved outside the lining plate 5, and the right end of the valve body 12 of the air inlet valve 1 is in threaded connection with the left end of the shell 2; the quick exhaust and charge valve comprises: locate the left holding counter bore of 2 left ends of casing, locate the right holding counter bore of left holding counter bore bottom surface, be located the quick exhaust passage in the right holding counter bore outside and with exhaust chamber 21 intercommunication, the air guide hole that one end and right holding counter bore side wall intercommunication and the other end link up with the casing 2 outside locates on the welt 5 and the welt air guide mouth relative with left holding counter bore for switch welt air guide mouth and air guide hole intercommunication or quick exhaust passage and the air guide hole intercommunication fill the exhaust elasticity case.
The gas charging and discharging elastic valve core comprises: the stepped shaft-shaped plugging ring is provided with an air vent, the diameter of the small end of the stepped shaft-shaped plugging ring is in clearance fit with the diameter of the right accommodating counter bore, the bowl opening part is positioned in the left accommodating counter bore, the small end of the stepped shaft-shaped plugging ring and the large end of the stepped shaft-shaped plugging ring are integrally connected, and the opening and closing opening is formed by opening and closing claws, the four large ends of which are respectively integrally connected with the small end of the plugging ring; the right end of the opening and closing port is positioned in the right accommodating counter bore; the shape of the opening and closing opening in the initial closing state is conical; a convex ring which is coaxial with the air guide port of the lining plate and has an outer diameter smaller than the diameter of the left accommodating counter bore is arranged at the right end of the lining plate 5; the thickness of the large end of the stepped shaft-shaped plugging ring is smaller than the distance between the right end of the convex ring and the bottom surface of the left accommodating counter bore; the outer diameter of the convex ring is smaller than the inner diameter of the small end of the bowl opening; the quick exhaust passage is positioned outside the large end side periphery of the stepped shaft-shaped plugging ring.
The first quick exhaust air charging and discharging valve 3 of the two quick exhaust air charging and discharging valves is positioned at the rear upper side of the second quick exhaust air charging and discharging valve 4; the intake valve 1 includes: an air guide block 13 which is arranged in the through hole 11 and the right end of which is jointed with the lining plate 5, an air guide block exhaust port 14 which is arranged on the air guide block 13 and is communicated with the exhaust cavity 21 through a connecting pore passage (not shown) arranged in the lining plate 5 and the shell 2, an air guide block first air guide port 15 which is arranged at the upper side of the air guide block exhaust port 14 and is communicated with a first lining plate air guide port 31 of the first quick exhaust inflation and exhaust valve 3, an air guide block second air guide port 16 which is arranged at the lower side of the air guide block exhaust port 14 and is communicated with a second lining plate air guide port 41 of the second quick exhaust inflation and exhaust valve 4, a piston 17 which is arranged in the valve body 12 and the motion direction of which is vertical, a slide block 18 which is arranged at the middle part of the outer side of the piston 17 and the right end of which is jointed with the left end of the air guide block 13, and a slide block air guide port 19 which is arranged at, the valve body 12 is provided with a valve body inlet port 111 communicating with an inlet chamber 110 formed between the piston 17 and the inside of the valve body 12.
The lower end of the valve body 12 is open and is provided with a blocking end cap 112.
The material of the air charging and exhausting elastic valve core is rubber.
The air charging and exhausting method of the air charging and exhausting structure of the rapid air exhausting pneumatic diaphragm pump (1) as shown in fig. 1, compressed air enters an air inlet cavity 110 from an air inlet of a valve body 12 through an external pipe, because a slide block 18 seals an air guide block second air guide port 16 and an air guide block exhaust port 14, and the air guide block second air guide port 16 is in an open state, the compressed air can enter a first liner plate air guide port 31 of a first rapid air charging and exhausting valve 3 from the air inlet cavity 110 through an air guide block first air guide port 15, at the moment, a first air charging and exhausting elastic valve core is subjected to air pressure from the direction of a liner plate 5, a first bowl part 38 of the first air charging and exhausting elastic valve core is expanded outwards under the action of air pressure and is attached to the inner wall of a first left accommodating counter bore 32, and because the right side of the first air charging and exhausting elastic valve core is at normal pressure, the whole first air charging and exhausting elastic valve core can rapidly move to the right, the right end face of the big end of the first stepped shaft-shaped plugging ring 37 is tightly attached to the bottom face of the first left containing counter bore 32, so that the first quick exhaust channel 34, the first lining plate air guide port 31 and the connecting pore channel are isolated, compressed air cannot leak from the first quick exhaust channel 34, and after the compressed air enters the first vent hole 36 of the first air charging and exhausting elastic valve core, the first opening and closing port is opened due to the action of air pressure, the compressed air enters the first air guide port 35 and then enters a diaphragm air cavity on one side of the pneumatic diaphragm pump to finish primary air charging; (2) referring to fig. 3, while the pneumatic diaphragm pump completes the primary inflation process to the diaphragm air chamber on one side, the diaphragm air chamber on the other side also generates primary exhaust; compressed air in a diaphragm air cavity on the other side of the pneumatic diaphragm pump needs to be discharged from a second air guide hole 45 of the second quick air exhaust charging and discharging valve 4, at the moment, the slide block 18 seals an air guide block second air guide hole and an air guide block air guide hole, the air guide block second air guide hole and the air guide block air exhaust hole are communicated through the slide block air guide hole 19, the lining plate second air guide hole and the air guide block second air guide hole 16 are communicated with a second air guide hole 46 of the second charging and discharging elastic valve core, the air guide block air exhaust hole 14 is communicated with the air exhaust cavity 21, because normal pressure air is in the air exhaust cavity 21, normal pressure air is in the second air guide hole 46 and on the right side of the second charging and discharging elastic valve core, the opening and closing claw of the second opening and closing hole is closed under the action of self elastic reset force, because the compressed air pressure discharged to the second air guide hole 45 can act on the right side of the charging and discharging elastic valve core, the second charging and discharging elastic, the right end face of the large end of the second stepped shaft-shaped plugging ring 47 can be separated from the bottom face of the second right accommodating counter bore 43, then the left end face of the large end of the second stepped shaft-shaped plugging ring 47 is tightly attached to the lining plate 5, meanwhile, the originally opened second bowl opening part 48 also wraps the outer wall of the second convex ring 410 due to the fact that the right end of the outer edge is under the action of air pressure, compressed air in the second air guide hole 45 can be directly discharged to the atmosphere through the second quick exhaust channel 44, the exhaust cavity 21 and the main exhaust port 22, and the whole exhaust process does not pass through the component air guide block 13 and the sliding block 18 in the valve body 12; (3) the piston 17 moves upwards and drives the slide block 18 to move upwards to switch positions, the slide block 18 seals a first air guide hole 15 of an air guide block and an air guide block exhaust hole 14, a second air guide hole 16 of the air guide block is in an open state, a first air charging and exhausting elastic valve core of a first air charging and exhausting valve 3 with quick air charging and exhausting speed and a second air charging and exhausting elastic valve core switching position of a second air exhausting and exhausting valve 4 with quick air exhausting speed are arranged, a second opening and closing port of the second air exhausting and quick air charging and exhausting valve 4 with quick air exhausting speed is opened, compressed air enters the other side diaphragm air chamber of the pneumatic diaphragm pump to complete air charging, the first opening and closing port of the first air charging and exhausting valve 3 with quick air exhausting and quick air charging and exhausting is closed under the action of.
In addition to the above embodiments, the technical features or technical data of the present invention, such as structure, shape, quantity, etc., can be selected and combined again within the scope disclosed in the claims and the specification of the present invention to constitute new embodiments, which can be realized by those skilled in the art without creative work, therefore, the embodiments of the present invention not described in detail should be regarded as the specific embodiments of the present invention and are within the protection scope of the present invention.
Claims (4)
1. An air charging and discharging structure of a rapid air discharging pneumatic diaphragm pump comprises: admission valve, characterized by, quick pneumatic diaphragm pump of exhaust fill exhaust structure still include: the shell is provided with an exhaust cavity, a main exhaust port communicated with the exhaust cavity, a lining plate connected with the left end of the shell and two air charging and exhausting valves for quickly exhausting air; the right end of the valve body of the air inlet valve is provided with a through hole which is sleeved outside the lining plate, and the right end of the valve body of the air inlet valve is connected with the left end of the shell; the quick exhaust and charge valve comprises: locate the left holding counter bore of casing left end, locate the right holding counter bore of left holding counter bore bottom surface, be located the quick exhaust passage of right holding counter bore outside and with the exhaust chamber intercommunication, the air guide hole that one end and right holding counter bore side wall intercommunication and the other end link up with the casing outside locates on the welt and the welt air guide port relative with left holding counter bore for switch welt air guide port and air guide hole intercommunication or quick exhaust passage and the gas filling of air guide hole intercommunication exhaust elasticity case.
2. The structure of claim 1, wherein the elastic valve core of the pump comprises: the bowl opening part is positioned in the left accommodating counter bore, the small end of the bowl opening part is connected with the large end of the stepped shaft-shaped plugging ring, and the opening and closing opening part is formed by two to eight opening and closing claws, the left ends of the opening and closing claws are respectively connected with the small end of the plugging ring; the right end of the opening and closing port is positioned in the right accommodating counter bore; a convex ring which is coaxial with the air guide port of the lining plate and has an outer diameter smaller than the diameter of the left accommodating counter bore is arranged at the right end of the lining plate; the thickness of the large end of the stepped shaft-shaped plugging ring is smaller than the distance between the right end of the convex ring and the bottom surface of the left accommodating counter bore.
3. The air charging and exhausting structure of a rapid air discharging diaphragm pump according to claim 1 or 2, wherein a first rapid air discharging and charging valve of the two rapid air discharging and charging and discharging valves is located at the rear upper side of a second rapid air discharging and charging and discharging valve; the intake valve includes: a gas guide block which is arranged in the through hole and the right end of which is attached to the lining plate, a gas guide block exhaust port which is arranged on the gas guide block and is communicated with the exhaust cavity through a connecting pore passage arranged in the lining plate and the shell, a first gas guide port of the gas guide block which is arranged at the upper side of the gas guide block exhaust port and is communicated with the first lining plate gas guide port of the first rapid gas exhaust charging and discharging valve, the air guide block second air guide port is located on the lower side of the air guide block air outlet and communicated with the second lining plate air guide port of the second quick air charging and discharging valve for exhausting air, a piston is installed in the valve body, the motion direction of the piston is the up-down direction, a sliding block is installed on the outer side of the piston, the middle of the sliding block is surrounded, the right end of the sliding block is attached to the left end of the air guide block, a sliding block air guide port is arranged at the right end of the sliding block and used for switching the air guide block air outlet to be communicated with the first air guide port of the air guide block or communicated with the second air guide port of the.
4. The structure of claim 1 or 2, wherein the lower end of the valve body is open and is provided with a blocking end cap.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021719362.3U CN213235399U (en) | 2020-08-17 | 2020-08-17 | Air charging and discharging structure of pneumatic diaphragm pump capable of discharging air quickly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021719362.3U CN213235399U (en) | 2020-08-17 | 2020-08-17 | Air charging and discharging structure of pneumatic diaphragm pump capable of discharging air quickly |
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| CN213235399U true CN213235399U (en) | 2021-05-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049782A (en) * | 2020-08-17 | 2020-12-08 | 杭州南方赛珀工业设备有限公司 | Air charging and discharging structure and method of pneumatic diaphragm pump capable of discharging air quickly |
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2020
- 2020-08-17 CN CN202021719362.3U patent/CN213235399U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049782A (en) * | 2020-08-17 | 2020-12-08 | 杭州南方赛珀工业设备有限公司 | Air charging and discharging structure and method of pneumatic diaphragm pump capable of discharging air quickly |
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