CN104279136A - Self-lubricating handheld vacuum pump with suction port serving as quick insertion joint - Google Patents
Self-lubricating handheld vacuum pump with suction port serving as quick insertion joint Download PDFInfo
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- CN104279136A CN104279136A CN201310274250.XA CN201310274250A CN104279136A CN 104279136 A CN104279136 A CN 104279136A CN 201310274250 A CN201310274250 A CN 201310274250A CN 104279136 A CN104279136 A CN 104279136A
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Abstract
The invention relates to a manual vacuum pump, in particular to a self-lubricating handheld vacuum pump with a suction port serving as a quick insertion joint. The technical scheme that air is sucked through a rear cavity of a cylinder is adopted in the handheld vacuum pump, namely air is sucked after the cylinder rod enters the cylinder, a reset spring drives a piston to return back, namely air is exhausted when the cylinder rod extends out, a pair of operation handles are composed of a cylinder handle and a cylinder rod handle, air exhaustion can be achieved by means of the operation handles like a wrist developer, quick insertion of a connection flexible hose between the vacuum pump and a container through the suction port serving as the quick connection joint, and the vacuum degree can be displayed through an installed vacuum meter. The shortcomings of a manual vacuum pump that stroke is short, the air suction efficiency is low, or operation is uncomfortable due to poor humanized design, and the connection convenience between the suction port of the vacuum pump and the container is poor are overcome. The self-lubricating handheld vacuum pump is suitable for retaining freshness of food in a vacuumizing mode and vacuum packaging of chemical raw materials, electronic elements and precision parts. Particularly, well sealed preservation boxes, canned bottles, plastic vacuum bags and the like commonly used in life can be utilized to be simply modified into vacuum containers, and vacuumizing is conducted on foods to retain freshness.
Description
art:
The present invention relates to a kind of hand-operating vacuum-pump, especially a kind of suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint, originally hold vacuum pump and be provided with a pair operating grip that cylinder handle and cylinder bar handle form, can operate as the spring-grip and bleed, quick inserting joint suction inlet can realize the quick grafting of connecting hose between vacuum pump and container, can install vacuum gauge and measure display degree of vacuum.
background technique:
Two patents of Chinese Patent Application No. to be CN201220193925 and number of patent application be CN02262320, disclose two kinds " hand-operating vacuum-pumps ", both advantages are that structure is simple, easy to operate.Shortcomings is: application number is that the piston stroke of the hand-operating vacuum-pump of CN201220193925 is short, pumping efficiency is low, and application number is the hand-operating vacuum-pump of CN02262320, and the operation of human oriented design difference is uncomfortable, in addition, the property easy to connect between the suction inlet of both vacuum pumps and container is poor.
summary of the invention:
In order to solve the deficiency that existing hand-operating vacuum-pump exists, the invention provides a kind of suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint, originally hold vacuum pump and be provided with a pair operating grip that cylinder handle and cylinder bar handle form, can operate as the spring-grip and bleed, operate comfortable, the large pumping efficiency of piston stroke is high, and quick inserting joint suction inlet can realize the quick grafting of connecting hose between vacuum pump and container, can install vacuum gauge and measure display degree of vacuum.
The technological scheme that technical solution problem of the present invention adopts is: suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint, primarily of cylinder, cylinder cap, piston, piston cap, cylinder bar, cylinder handle, cylinder bar handle, Returnning spring, joint, fast slotting sealing, gland, cylinder y-type seal ring, cylinder bar y-type seal ring, piston flooding system lubrication circle, cylinder bar flooding system lubrication circle, piston one-way valve, joint one-way valve, big sealing ring, small sealing ring, long sunk screw, short sunk screw, vacuum gauge composition.
Described cylinder is made up of stepped cylindrical body, the large end of stepped cylindrical body is cylinder block, small end is handle connecting body, on centerline, from the end face of cylinder block, what be connected successively is cylinder-bore, cylinder rod aperture, cylinder rod seal hole, and the external cylindrical surface of cylinder block has circular protrusions that isometric with cylinder block vertically, there is a pore B at the center of circular protrusions, radially have a pore A being communicated with cylinder-bore and pore B in the bottom surface, hole of cylinder-bore.
Described cylinder cap is by the joint cylinder be connected, lid cylinder, seam cylinder, bulb cylinder, circular protrusions is formed, joint cylinder, lid cylinder, seam cylinder is axially connected successively on same center line, the diameter lid cylinder of three maximum, joint cylinder minimum, the diameter of bulb cylinder is less than the diameter of joint cylinder, the axis of bulb cylinder and the intersect vertical axis of joint cylinder, both pass through connection mutually, the side, cylndrical surface of bulb cylinder is near the end face of joint cylinder, opposite side is crossing with the step surface that joint cylinder and lid cylinder are formed, bulb cylinder is made to generate a side plane with this interface, circular protrusions is on the cylndrical surface of lid cylinder, and it is isometric with the axis of lid cylinder, joint cylinder, bulb cylinder, the axis of circular protrusions three is in same plane, the center line of seam cylinder end there is spring mounting hole, on the center line of joint cylinder end, there is the large closed hole of the stepped shape be connected successively, the interior threaded hole less than large closed hole diameter, chamber opened by the valve less than inner bolt hole diameter, valve open chamber and spring mounting hole obstructed, a pore C is had at the center of circular protrusions, at pore C end face, there is the little closed hole of stepped shape, in lid cylinder, radially there is a connecting valve to open the pore D of chamber and pore C, near side, cylndrical surface in bulb cylinder, there is the pore G that a center line communicates with interior threaded hole vertical and intersectant centerline and with interior threaded hole, perpendicular to bulb cylinder side plane and be provided with instrument screw by the center of circle of bulb, instrument screw communicates with pore G, in lid cylinder, the symmetrical both sides of joint cylinder, be provided with 2 exhaust ports axially communicated with spring mounting hole.The circular protrusions radius of cylinder cap is equal with the circular protrusions radius of cylinder.
Described joint one end is nut, what connect with nut is annular gas tank, what connect with annular gas tank is external thread column, on centerline, end face from the end face of nut to external thread column, what be connected successively respectively is insert closed hole, joint valve opening, joint valve positioning hole soon, on the parallel lines of joint valve centerline hole side, there is the pore E communicated with annular gas tank, have the pore F being communicated with joint valve opening and pore E in the radial direction of joint valve opening.
Described fast inserting is sealed into stepped cylindrical body, small end is upper cylindrical body, large end is lower cylindrical body, on centerline, one end is grafting taper hole, and one end is step hole, step hole is at lower cylindrical member at one end, the miner diameter end of grafting taper hole is connected with step hole, and the diameter of step hole is less than the path of grafting taper hole, equal with the internal diameter of insertion pipe.The large footpath of the grafting taper hole of described fast slotting sealing is equal with the external diameter of grafting pipe, to the tapering of grafting taper hole and the requirement of axial dimension be, the wedging power produced when pipe inserts grafting taper hole, the amount of deformation that the fast elastomer inserting sealing of compressing produces, make between pipe cylindrical and the fast slotting grafting taper hole sealed, and combine closely between the lower cylindrical body of fast slotting sealing and the fast slotting closed hole of joint and realize sealing, simultaneously, after pipe inserts grafting taper hole, frictionally self-locking can not be exited voluntarily.Fast slotting sealing is made by elaxtic seal.
Described piston is stepped cylindrical body, large end cylndrical surface is the rear guiding of piston, small end cylndrical surface is the seal shaft of piston, step surface is sealing rear retaining surfac, blind tapped hole is had at large end face center, there is axially through piston valve opening in center line side, the end face of seal shaft has the piston screw of 3 circumference uniform distributions.
Described piston cap is oblate cylinder, piston lubrication groove is had in the middle part of oblate cylinder cylindrical, oblate cylinder be piston leading to, oblate cylinder two end faces respectively there is a step hole, one of them step hole is piston cap seam hole, another is location hole of the spring, the end face in piston cap seam hole is sealing front retaining surface, on the parallel lines of center line side, bottom surface from the bottom surface in piston cap seam hole to location hole of the spring, there is the piston valve positioning hole be connected successively respectively, valve open hole, vent, in the bottom surface of location hole of the spring, there is the countersunk screw hole of three circumference uniform distributions.The piston valve positioning hole of piston cap is equal with the piston valve pitch-row distance between center line separately of piston.
Described cylinder handle is T-shaped, top yi word pattern is semicolumn front hand grip, there is ball top at the two ends of semicolumn front hand grip, bottom is vertically with the cylndrical surface of semicolumn front hand grip pass through the columniform connection cylinder be connected mutually, on connection cylinder center line, from connecting the end face of cylinder to the plane of semicolumn front hand grip, be respectively be connected successively handle attachment hole, cylinder bar lubrication hole, cylinder bar pilot hole, columniform other entry, cross circular arc type other fork hole.
The shape of described cylinder bar handle is also T-shaped, top yi word pattern is semicolumn back handle, there is ball top at the two ends of semicolumn back handle, bottom is the not fork cylindrical body be connected with the plane of semicolumn back handle, do not pitching cylindrical end face both sides, have the axes normal with semicolumn back handle, and with do not pitch cylindrical centrosymmetricly oblongly not pitch, have handle screw not pitching cylindrical end face center.Cylinder handle semicylinder is equal with the semicylinder radius of cylinder bar handle.
Described gland is a cylindrical body, and on center line, one end is spliced eye, and one end is sealing endoporus, and spliced eye communicates with sealing endoporus, and the diameter of spliced eye is equal with the external diameter of grafting pipe.
Described piston flooding system lubrication circle and cylinder bar flooding system lubrication circle, be the square-section circle for lubricating cylinder y-type seal ring and cylinder bar y-type seal ring, make, infiltrate lubricating oil of sponge or felt.
Described piston one-way valve and joint one-way valve, be to be used on piston and diaphragm one-way valve on joint, outer ring is rectangular cross-section circle, and center is round valve sheet, has a connecting band, both be connected between rectangular cross-section circle inwall and round valve sheet.Piston one-way valve and joint one-way valve elaxtic seal make.
The assembly relation holding vacuum pump is as follows:
The assembling of cylinder assembly: cylinder bar y-type seal ring is arranged in the cylinder rod seal hole of cylinder, its lip limit outwardly, cylinder bar flooding system lubrication circle is arranged in the cylinder bar lubrication hole of cylinder handle, the handle connecting body of cylinder coordinates with the handle attachment hole of cylinder handle and is plugged into the end, make the semicolumn front hand grip horizontal positioned of cylinder handle, allow the circular protrusions of cylinder directly over semicolumn front hand grip, cylinder and cylinder handle sunk screw are fastenedly connected in radial direction, or stick with glue connect fixing.
The assembling of cylinder cover component: the lower cylindrical body inserting sealing is soon coordinated with the fast slotting closed hole of joint inwardly and installs, gland drive fit is arranged on the fast of joint and inserts in closed hole, the sealing endoporus of gland inserts with fast the upper cylinder engagement sealed, gland inserts sealing soon in axial compression, joint one-way valve is arranged in joint valve positioning hole, in the large closed hole of cylinder cap, big sealing ring is installed, the interior threaded hole that the external thread column of joint is screwed into cylinder cap is fastenedly connected, the rectangular cross-section circle making joint simultaneously compress big sealing ring and joint one-way valve realizes end face seal, in the little closed hole of cylinder cap, small sealing ring is installed, in the instrument screw of cylinder cap, vacuum gauge is installed.Its middle joint, fast sealing, gland and the joint one-way valve inserted form the quick inserting joint suction inlet holding vacuum pump.
The assembling of piston assembly: install piston y-type seal ring on the seal shaft of piston, its lip limit is towards piston cap, piston flooding system lubrication circle is installed in the piston lubrication groove of piston cap, piston one-way valve is installed in piston valve positioning hole, the seal shaft of piston coordinates with the piston cap seam hole of piston cap to be installed, and make the piston valve opening of piston and the piston valve positioning hole centering of piston cap, piston and piston cap are connected axially fastening with sunk screw, then connect in blind tapped hole cylinder bar being screwed into the large end of piston.
The general assembly of vacuum pump: piston assembly loads cylinder-bore, cylinder bar is stretched out through the cylinder rod aperture of cylinder and the cylinder bar pilot hole of cylinder handle, cylinder-bore is divided into two chambeies by piston assembly, cylinder cap side is cylinder ante-chamber, cylinder back cavity is evacuated airtight sealed cavity, Returnning spring loads cylinder ante-chamber, the location hole of the spring location of one end piston cap, the other end loads in the spring mounting hole of cylinder cap, the seam cylinder of cylinder cap coordinates with cylinder-bore to be installed, and allow the circular protrusions of cylinder cap align with the circular protrusions of cylinder to be connected, cylinder cap is connected fastening with cylinder sunk screw in radial direction, or stick with glue connect fixing, afterwards, cylinder bar handle is connected with handle screw with the cylinder bar stretched out.Finally, by cylinder bar rotatable handle to the position perpendicular with cylinder handle, hand-held handle compression reseting spring makes cylinder bar enter in cylinder, what allow cylinder bar handle Cha not enter in the other entry of cylinder handle, then, rotating cylinder bar handle makes itself and cylinder handle close up, and allows the other fork hole of cylinder handle block the not fork of cylinder bar handle, two semicolumn handles are closed up into a cylindrical body, namely completes whole assembling.
Hold use and the working principle of vacuum pump:
First, utilizing the quick inserting joint holding vacuum pump, coupling together holding vacuum pump with the container flexible pipe that will vacuumize.
Before using, by cylinder bar rotatable handle 90 degree, not pitching of cylinder bar handle is deviate from from the other fork hole of cylinder handle, now, under the effect of Returnning spring, cylinder bar stretches out, cylinder handle is separated with cylinder bar handle, again by the 90 degree of resets of cylinder bar rotatable handle, grip cylinder on the other hand, grip cylinder handle and cylinder bar handle on the other hand, firmly grip pressure makes two handles close up, piston assembly compression reseting spring moves ahead, the air of cylinder ante-chamber enters air by the exhaust port of cylinder cap end face, cylinder back cavity then produces negative pressure, cylinder back cavity is via the pore A be tightly connected successively, pore B, pore C, pore D, chamber opened by valve, joint one-way valve, joint valve opening, step hole, the path of bleeding of grafting taper hole composition, again by soft pipe connection container, now, the joint one-way valve of bleeding in path is opened under the effect of negative-pressure sucking, by the air suction cylinder back cavity in container.Vacuum gauge communicates via the pore G communicated successively, annular gas tank, pore E, pore F and the joint valve opening of bleeding in path, can measure the instant vacuum degree of display.
The hand of gripping two handles is unclamped, stretch out at the effect lower piston assembly backhaul commutation of Returnning spring, cylinder bar, now, joint one-way valve is closed under the effect of gas in container negative-pressure sucking, cut off the path of bleeding of container and cylinder back cavity, made to be in negative pressure state, owing to leading to the joint valve opening of vacuum gauge in the back of joint one-way valve in container and in the pore be connected, so vacuum gauge show value is the degree of vacuum in the flexible pipe hole that is connected with container, the degree of vacuum namely in container.
When piston assembly backhaul, the air of cylinder back cavity is pumped in container, under the effect of Returnning spring, air pressure raises, piston one-way valve is opened, the air of cylinder back cavity, enter air by the exhaust port of piston one-way valve on cylinder ante-chamber and cylinder cap, namely complete the pumping cycle holding vacuum pump.Two every grip pressures of handle are closed up, unclamps separation and once namely complete a pumping process.
Piston flooding system lubrication circle and cylinder bar flooding system lubrication circle provide permanent lubrication for cylinder y-type seal ring and cylinder bar y-type seal ring, also effectively ensure that sealing effect simultaneously.
The invention has the beneficial effects as follows, originally hold vacuum pump to bleed with holding press operation as spring-grip, pumping efficiency is high, condition of high vacuum degree can be obtained, quick plug suction inlet is convenient to be connected with container with flexible pipe, piston flooding system lubrication circle and cylinder bar flooding system lubrication circle can keep the permanent good lubrication of piston seal and cylinder rod seal, during band vacuum gauge, can degree of vacuum in inspection instrument, when vacuum pump does not use, utilize the other fork hole of cylinder handle and the not fork of cylinder bar handle, two handles can be combined, be easy to carry, deposit.
accompanying drawing illustrates:
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 holds vacuum pump sectional arrangement drawing.
Fig. 2 is cylinder 3D sectional view.
Fig. 3 is cylinder cap 3D sectional view.
Fig. 4 piston 3D sectional view.
Fig. 5 is piston cap 3D sectional view.
Fig. 6 is cylinder handle 3D sectional view.
Fig. 7 is cylinder bar handle 3D sectional view.
Fig. 8 is joint 3D sectional view.
Fig. 9 is that fast inserting seals 3D sectional view.
Figure 10 is gland 3D sectional view.
Figure 11 is that joint one-way valve 3D schemes.
Figure 12 is embodiment 2 sectional arrangement drawing.
Figure 13 is without table cylinder cap 3D sectional view.
Figure 14 is without meter connector 3D sectional view.
In FIG: 1-1. cylinder, 1-2. cylinder cap, 1-3. piston, 1-4. piston cap, 1-5. cylinder bar, 1-6. cylinder handle, 1-7. cylinder bar handle, 1-8. Returnning spring, 1-9. joint, 1-10. inserts sealing soon, 1-11. gland, 1-12. cylinder y-type seal ring, 1-13. cylinder bar y-type seal ring, 1-14. piston flooding system lubrication circle, 1-15. cylinder bar flooding system lubrication circle, 1-16. piston one-way valve, 1-17. joint one-way valve, 1-18. big sealing ring, 1-19. small sealing ring, the long sunk screw of 1-20., the short sunk screw of 1-21., 1-22. vacuum gauge.
Embodiment:
Specific embodiment 1:
Specific embodiment 1 is the vacuum pump of holding with vacuum gauge, as shown in Figure 1 to 11, by cylinder 1-1, cylinder cap 1-2, piston 1-3, piston cap 1-4, cylinder bar 1-5, cylinder handle 1-6, cylinder bar handle 1-7, Returnning spring 1-8, joint 1-9, fast inserting seals 1-10, gland 1-11, cylinder y-type seal ring 1-12, cylinder bar y-type seal ring 1-13, piston flooding system lubrication circle 1-14, cylinder bar flooding system lubrication circle 1-15, piston one-way valve 1-16, joint one-way valve 1-17, big sealing ring 1-18, small sealing ring 1-19, long sunk screw 1-20, short sunk screw 1-21, vacuum gauge 1-22 forms.
Its assembly relation is as follows:
The assembling of cylinder assembly: cylinder bar y-type seal ring 1-13 is arranged in the cylinder rod seal hole 2-4 of cylinder 1-1, its lip limit outwardly, cylinder bar flooding system lubrication circle 1-15 is arranged in the cylinder bar lubrication hole 6-3 of cylinder handle 1-6, the handle connecting body 2-1 of cylinder 1-1 coordinates with the handle attachment hole 6-2 of cylinder handle 1-6 and is plugged into the end, by the semicolumn front hand grip 6-1 horizontal positioned of cylinder handle 1-6, allow the circular protrusions 2-5 of cylinder 1-1 directly over semicolumn front hand grip 6-1, cylinder 1-1 and cylinder handle 1-6 sunk screw are fastenedly connected in radial direction, or stick with glue connect fixing.
The assembling of cylinder cover component: the lower cylindrical body 9-2 inserting sealing 1-10 is soon coordinated with the fast slotting closed hole 8-3 of joint 1-9 inwardly and installs, gland 1-11 drive fit is arranged on the fast of joint 1-9 and inserts in closed hole 8-3, the sealing endoporus 10-2 of gland 1-11 coordinates with the fast upper cylindrical body 9-1 sealing 1-10 that inserts, gland 1-11 inserts sealing 1-10 soon in axial compression, and joint one-way valve 1-17 is arranged in joint valve positioning hole 8-5.In the large closed hole 3-4 of cylinder cap 1-2, big sealing ring 1-18 is installed, the interior threaded hole 3-5 that the external thread column 8-2 of joint 1-9 is screwed into cylinder cap 1-2 is fastenedly connected, the rectangular cross-section circle 11-1 making joint 1-9 simultaneously compress big sealing ring 1-18 and joint one-way valve 1-17 realizes end face seal, the round valve sheet 11-2 of joint one-way valve 1-17, the space that utilizing the valve of cylinder cap 1-2 to open chamber 3-6 provides is opened.In the little closed hole 3-8 of cylinder cap 1-2, small sealing ring 1-19 is installed, in the instrument screw 3-11 of cylinder cap 1-2, vacuum gauge 1-22 is installed.Its middle joint 1-9, fast sealing 1-10, the gland 1-11 and joint one-way valve 1-17 that insert form the quick inserting joint suction inlet holding vacuum pump.
The assembling of piston assembly: install cylinder y-type seal ring 1-12 on the seal shaft 4-1 of piston 1-3, its lip limit is towards piston cap 1-4, piston flooding system lubrication circle 1-14 is installed in the piston lubrication groove 5-1 of piston cap 1-4, piston one-way valve 1-16 is installed in piston valve positioning hole 5-4, the seal shaft 4-1 of piston 1-3 coordinates with the piston cap seam hole 5-2 of piston cap 1-4 and installs, and make the piston valve opening 4-3 of piston 1-3 and the piston valve positioning hole 5-4 centering of piston cap 1-4, the round valve sheet of piston one-way valve 1-16, the space utilizing the valve open hole 5-5 of piston cap 1-4 to provide is opened, piston 1-3 and piston cap 1-4 axially fasten with sunk screw and are connected, afterwards, connect in blind tapped hole 4-2 cylinder bar 1-5 being screwed into the large end of piston 1-3.
The general assembly of vacuum pump: piston assembly loads cylinder-bore 2-2, cylinder bar 1-5 is stretched out through the cylinder rod aperture 2-3 of cylinder 1-1 and the cylinder bar pilot hole 6-4 of cylinder handle 1-6, cylinder-bore 2-2 is divided into two chambeies by piston assembly, cylinder cap 1-2 side is cylinder ante-chamber, cylinder back cavity is evacuated airtight sealed cavity, Returnning spring 1-8 loads cylinder ante-chamber, one end location hole of the spring 5-3 of piston cap 1-4 locates, the other end loads in the spring mounting hole 3-3 of cylinder cap 1-2, the seam cylinder 3-1 of cylinder cap 1-2 coordinates with cylinder-bore 2-2 and installs, and allow the circular protrusions 3-2 of cylinder cap 1-2 align with the circular protrusions 2-5 of cylinder 1-1 to be connected, cylinder cap 1-2 is connected fastening with cylinder 1-1 sunk screw in radial direction, or stick with glue connect fixing, afterwards, cylinder bar handle 1-7 is connected with handle screw 7-3 with the cylinder bar 1-5 stretched out.Finally, the semicolumn back handle 7-1 of cylinder bar handle 1-7 is rotated to the position perpendicular with the semicolumn front hand grip 6-1 of cylinder handle 1-6, hand-held handle compression reseting spring 1-8 makes cylinder bar 1-5 enter in cylinder 1-1, allow cylinder bar handle 1-7's Cha not enter in the other entry 6-5 of cylinder handle 1-6 by 7-2, then, rotating cylinder bar handle 1-7 makes itself and cylinder handle 1-6 close up, the other fork hole 6-6 of cylinder handle 1-6 is allowed to block the not fork 7-2 of cylinder bar handle 1-7, two semicolumn handles are closed up into a cylindrical body, namely completes whole assembling.
Hold use and the working principle of vacuum pump:
First, utilizing the quick inserting joint holding vacuum pump, coupling together holding vacuum pump with the container flexible pipe that will vacuumize.When flexible pipe inserts the grafting taper hole 9-3 of fast slotting sealing 1-10 by the spliced eye 10-1 of gland 1-11, the wedging power produced, the fast elaxtic seal inserting sealing 1-10 of compressing produces distortion, between the conical surface making pipe periphery and grafting taper hole 9-3, and fast insert the lower cylindrical body 9-2 of sealing 1-10 and the fast of joint 1-9 and insert to combine closely between closed hole 8-3 and realize sealing, meanwhile, after pipe inserts grafting taper hole 9-3, frictionally self-locking can not be exited voluntarily.The fast end face inserting the step hole 9-4 of sealing 1-10 be insertion pipe end face stop into face, pipe is inserted into fast the inserting that namely position complete pipe and connects, when vacuumizing, pull of vacuum can make the grafting of flexible pipe and sealing more reliable.
Before using, by cylinder bar handle 1-7 90-degree rotation, make Cha not deviating from from the other fork hole 6-6 of cylinder handle 1-6 by 7-2 of cylinder bar handle 1-7, now, under the effect of Returnning spring 1-8, cylinder bar 1-5 stretches out, cylinder handle 1-6 is separated with cylinder bar handle 1-7, again cylinder bar handle 1-7 90-degree rotation is resetted, grip cylinder 1-1 on the other hand, grip cylinder handle 1-6 and cylinder bar handle 1-7 on the other hand, firmly grip pressure makes two handles close up, piston assembly compression reseting spring 1-8 moves ahead, the air of cylinder ante-chamber enters air by the exhaust port 3-12 of cylinder cap 1-2 end face, cylinder back cavity then produces negative pressure, cylinder back cavity is via the pore A 2-7 be tightly connected successively, pore B 2-6, pore C 3-7, pore D 3-9, chamber 3-6 opened by valve, joint one-way valve 1-17, joint valve opening 8-4, step hole 9-4, the path of bleeding that grafting taper hole 9-3 forms, again through flexible pipe and reservoir, now, the joint one-way valve 1-17 bled in path is under the effect of negative-pressure sucking, round valve sheet 11-2 is opened by the resiliently deformable of connecting band 11-3, by the air suction cylinder back cavity in container.Vacuum gauge 1-22 communicates via the pore G 3-10, the annular gas tank 8-1 that communicate successively, pore E 8-6, pore F 8-7 and the joint valve opening 8-4 bled in path, can measure the instant vacuum degree of display.
The hand of gripping two handles is unclamped, stretch out at the effect lower piston assembly backhaul commutation of Returnning spring 1-8, cylinder bar 1-5, now, joint one-way valve 1-17 closes under the effect of gas in container negative-pressure sucking, cut off the path of bleeding of container and cylinder back cavity, make to be in negative pressure state in container and in the pore be connected, owing to leading to the joint valve opening 8-4 of vacuum gauge 1-22 in the back of joint one-way valve 1-17, so the show value of vacuum gauge 1-22 is the degree of vacuum in the flexible pipe hole that is connected with container, the degree of vacuum namely in container.
When piston assembly backhaul, the air of cylinder back cavity is pumped in container, under the effect of Returnning spring 1-8, air pressure raises, piston one-way valve 1-16 is opened, the air of cylinder back cavity, by piston one-way valve 1-16, then through the valve open hole 5-5 of piston cap 1-4 and vent 5-6 and cylinder ante-chamber, enter air from the exhaust port 3-12 cylinder cap 1-2, namely complete the pumping cycle holding vacuum pump.Two every grip pressures of handle are closed up, unclamps separation and once namely complete a pumping process.
Piston flooding system lubrication circle 1-14 and cylinder bar flooding system lubrication circle 1-15 provides permanent lubrication for cylinder y-type seal ring 1-12 and cylinder bar y-type seal ring 1-13, also effectively ensures sealing effect simultaneously.
When vacuum pump does not use, the other fork hole 6-6 of cylinder handle 1-6 can be utilized to insert with the not fork 7-2 of cylinder bar handle 1-7 and to engage, two handles are close together, be easy to carry, deposit.
Specific embodiment 2:
Specific embodiment 2 is the vacuum pump of holding not with vacuum gauge, as shown in Figure 12, Figure 13, Figure 14, by cylinder 1-1, without watch cylinder cap 12-1, piston 1-3, piston cap 1-4, cylinder bar 1-5, cylinder handle 1-6, cylinder bar handle 1-7, Returnning spring 1-8, form without meter connector 12-2, fast slotting sealing 1-10, gland 1-11, cylinder y-type seal ring 1-12, cylinder bar y-type seal ring 1-13, piston flooding system lubrication circle 1-14, cylinder bar flooding system lubrication circle 1-15, piston one-way valve 1-16, joint one-way valve 1-17, small sealing ring 1-19, long sunk screw 1-20.
Specific embodiment 2 compares with specific embodiment 1, holds vacuum pump with vacuum gauge 1-22 in specific embodiment 1, and the vacuum pump of holding in specific embodiment 2 is not then with vacuum gauge 1-22.For this reason, in specific embodiment 2, eliminate vacuum gauge 1-22, and changed two parts, namely replace cylinder cap 1-2 with without table cylinder cap 12-1, with without meter connector 12-2 replacement adaptor 1-9.
Described without showing cylinder cap 12-1 by the joint cylinder be connected, lid cylinder, seam cylinder 3-1, circular protrusions 3-2 is formed, joint cylinder, lid cylinder, seam cylinder 3-1 is axially connected successively on same center line, the diameter lid cylinder of three maximum, joint cylinder minimum, circular protrusions 3-2 is on the cylndrical surface of lid cylinder, and it is isometric with the axis of lid cylinder, the center line that seam cylinder 3-1 holds there is spring mounting hole 3-3, on the center line of joint cylinder end, there is the interior threaded hole 3-5 be connected successively, chamber 3-6 opened by the valve less than inner bolt hole diameter, it is obstructed that chamber 3-6 and spring mounting hole 3-3 opened by valve, a pore C 3-7 is had at the center of circular protrusions 3-2, at pore C 3-7 end face, there is the little closed hole 3-8 of stepped shape, in lid cylinder, radially there is a connecting valve to open the pore D 3-9 of chamber 3-6 and pore C 3-7, in lid cylinder, the symmetrical both sides of joint cylinder, be provided with 2 exhaust port 3-12 axially communicated with spring mounting hole 3-3.Radius without the circular protrusions 3-2 of table cylinder cap 12-1 is equal with the radius of the circular protrusions 2-5 of cylinder 1-1.
Described is nut without meter connector 12-2 one end, and the other end is external thread column 8-2, and on centerline, the end face from the end face of nut to external thread column 8-2, what be connected successively respectively is insert closed hole 8-3, joint valve opening 8-4, joint valve positioning hole 8-5 soon.
Difference structurally without table cylinder cap 12-1 and cylinder cap 1-2 is, eliminates the related entities and feature of installing vacuum gauge 1-22 without table cylinder cap 12-1, and the large closed hole 3-4 of cylinder cap 1-2.Difference structurally without meter connector 12-2 and joint 1-9 is, eliminates the annular gas tank 8-1 for being communicated with vacuum gauge 1-22, pore E 8-6, pore F 8-7.Remaining part structure is the same.
Another of specific embodiment 2 and specific embodiment 1 is distinguished and is: cylinder 1-1 and make to stick with glue without the connection shown between cylinder cap 12-1, cylinder 1-1 and cylinder handle 1-6 and connect, and does not use sunk screw to connect.
The assembly relation holding vacuum pump not with vacuum gauge described in specific embodiment 2 and use and working principle, compare with specific embodiment 1, just eliminate the vacuum degree measurement function holding vacuum pump, remaining part is substantially identical with specific embodiment 1, no longer describes in detail.
Claims (10)
1. a suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint, this holds vacuum pump primarily of cylinder (1-1), cylinder cap (1-2), piston (1-3), piston cap (1-4), cylinder bar (1-5), cylinder handle (1-6), cylinder bar handle (1-7), Returnning spring (1-8), joint (1-9), fast inserting seals (1-10), gland (1-11), cylinder y-type seal ring (1-12), cylinder bar y-type seal ring (1-13), piston flooding system lubrication circle (1-14), cylinder bar flooding system lubrication circle (1-15), piston one-way valve (1-16), joint one-way valve (1-17), big sealing ring (1-18), small sealing ring (1-19), long sunk screw (1-20), vacuum gauge (1-22) forms, it is characterized in that: described joint (1-9), fast sealing (1-10), gland (1-11) and the joint one-way valve (1-17) inserted form the quick inserting joint suction inlet holding vacuum pump, for quick socket connection flexible pipe, by belonging to described cylinder (1-1) respectively, cylinder cap (1-2), joint one-way valve (1-17), joint (1-9), the fast following technical characteristics inserting sealing (1-10): pore A(2-7), pore B(2-6), pore C(3-7), pore D(3-9), chamber (3-6) opened by valve, joint one-way valve (1-17), joint valve opening (8-4), step hole (9-4), grafting taper hole (9-3), be tightly connected composition path of bleeding successively, this bleeds path from cylinder back cavity, be communicated to the quick inserting joint suction inlet holding vacuum pump, by this path of bleeding, and in conjunction with piston one-way valve (1-16), hold vacuum pump and can realize utilizing chamber pumping after cylinder, be provided with piston flooding system lubrication circle (1-14) and cylinder bar flooding system lubrication circle (1-15) of lubricating cylinder y-type seal ring (1-12) and cylinder bar y-type seal ring (1-13), described cylinder handle (1-6) is provided with the other fork hole (6-6) of cross circular arc type, described cylinder bar handle (1-7) be provided with oblong Cha (7-2), the other fork hole (6-6) of cylinder handle (1-6) is inserted with the not fork (7-2) of cylinder bar handle (1-7) and is engaged, and two handles can be made to be close together.
2. suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint according to claim 1, it is characterized in that: described cylinder (1-1) is made up of stepped cylindrical body, the large end of stepped cylindrical body is cylinder block, small end is handle connecting body (2-1), on centerline, from the end face of cylinder block, that be connected successively is cylinder-bore (2-2), cylinder rod aperture (2-3), cylinder rod seal hole (2-4), the external cylindrical surface of cylinder block has circular protrusions (2-5) that isometric with cylinder block vertically, a pore B(2-6 is had) at the center of circular protrusions (2-5), radially have in the bottom surface, hole of cylinder-bore (2-2) one be communicated with cylinder-bore (2-2) and pore B(2-6) pore A(2-7).
3. suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint according to claim 1, it is characterized in that: described cylinder cap (1-2) is by the joint cylinder be connected, lid cylinder, seam cylinder (3-1), bulb cylinder, circular protrusions (3-2) is formed, joint cylinder, lid cylinder, seam cylinder (3-1) is axially connected successively on same center line, the diameter lid cylinder of three maximum, joint cylinder minimum, the diameter of bulb cylinder is less than the diameter of joint cylinder, the axis of bulb cylinder and the intersect vertical axis of joint cylinder, both pass through connection mutually, the side, cylndrical surface of bulb cylinder is near the end face of joint cylinder, opposite side is crossing with the step surface that joint cylinder and lid cylinder are formed, bulb cylinder is made to generate a side plane with this interface, circular protrusions (3-2) is on the cylndrical surface of lid cylinder, and it is isometric with the axis of lid cylinder, joint cylinder, bulb cylinder, the axis of circular protrusions (3-2) three is in same plane, the center line that seam cylinder (3-1) is held there is spring mounting hole (3-3), on the center line of joint cylinder end, there is the large closed hole (3-4) of the stepped shape be connected successively, the interior threaded hole (3-5) less than large closed hole diameter, chamber (3-6) opened by the valve less than inner bolt hole diameter, it is obstructed with spring mounting hole (3-3) that chamber (3-6) opened by valve, a pore C(3-7 is had) at the center of circular protrusions (3-2), at pore C(3-7) end face, there is the little closed hole (3-8) of stepped shape, in lid cylinder, radially have connecting valve to open chamber (3-6) and pore C(3-7) pore D(3-9), near side, cylndrical surface in bulb cylinder, there is a center line with interior threaded hole (3-5) vertical and intersectant centerline and the pore G(3-10 communicated with interior threaded hole (3-5)), perpendicular to bulb cylinder side plane and be provided with instrument screw (3-11) by the center of circle of bulb, instrument screw (3-11) and pore G(3-10) communicate, in lid cylinder, the symmetrical both sides of joint cylinder, be provided with 2 exhaust ports (3-12) axially communicated with spring mounting hole (3-3).
4. suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint according to claim 1, it is characterized in that: described joint (1-9) one end is nut, that connect with nut is annular gas tank (8-1), that connect with annular gas tank (8-1) is external thread column (8-2), on centerline, from the end face of nut to the end face of external thread column (8-2), what be connected successively respectively is insert closed hole (8-3) soon, joint valve opening (8-4), joint valve positioning hole (8-5), on the parallel lines of joint valve opening (8-4) center line side, have the pore E(8-6 communicated with annular gas tank (8-1)) have in the radial direction of joint valve opening (8-4) be communicated with joint valve opening (8-4) and pore E(8-6) pore F(8-7).
5. suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint according to claim 1, it is characterized in that: described fast slotting sealing (1-10) is stepped cylindrical body, small end is upper cylindrical body (9-1), large end be lower cylindrical body (9-2) on centerline, one end is grafting taper hole (9-3), one end is step hole (9-4), step hole (9-4) is in lower cylindrical body (9-2) one end, the miner diameter end of grafting taper hole (9-3) is connected with step hole (9-4), and the diameter of step hole (9-4) is less than the path of grafting taper hole (9-3).
6. according to claim 1 or 5, suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint, it is characterized in that: the large footpath of the grafting taper hole (9-3) of described fast slotting sealing (1-10) is equal with the external diameter of grafting pipe, to the tapering of grafting taper hole (9-3) and the requirement of axial dimension be, the wedging power produced when pipe inserts grafting taper hole (9-3), the amount of deformation that the fast elastomer inserting sealing (1-10) of compressing produces, make between pipe cylindrical and the fast slotting grafting taper hole (9-3) sealing (1-10), and combine closely between the lower cylindrical body (9-2) of fast slotting sealing (1-10) and the fast slotting closed hole (8-3) of joint (1-9) and realize sealing, simultaneously, after pipe inserts grafting taper hole (9-3), frictionally self-locking can not be exited voluntarily.
7. suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint according to claim 1, it is characterized in that: described piston (1-3) is stepped cylindrical body, large end cylndrical surface is the rear guiding of piston, small end cylndrical surface is the seal shaft (4-1) of piston, step surface is sealing rear retaining surfac, there is blind tapped hole (4-2) at large end face center, have axially through piston valve opening (4-3) in center line side, the end face of seal shaft (4-1) has the piston screw of 3 circumference uniform distributions.
8. suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint according to claim 1, it is characterized in that: described piston cap (1-4) is oblate cylinder, piston lubrication groove (5-1) is had in the middle part of oblate cylinder cylindrical, oblate cylinder be piston leading to, oblate cylinder two end faces respectively there is a step hole, one of them step hole is piston cap seam hole (5-2), another is location hole of the spring (5-3), the end face in piston cap seam hole (5-2) is sealing front retaining surface, on the parallel lines of center line side, bottom surface from the bottom surface in piston cap seam hole (5-2) to location hole of the spring (5-3), there is the piston valve positioning hole (5-4) be connected successively respectively, valve open hole (5-5), vent (5-6), in the bottom surface of location hole of the spring (5-3), there is the countersunk screw hole of three circumference uniform distributions.
9. suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint according to claim 1, it is characterized in that: described cylinder handle (1-6) is for T-shaped, top yi word pattern is semicolumn front hand grip (6-1), there is ball top at the two ends of semicolumn front hand grip (6-1), bottom is mutually the pass through columniform connection cylinder that is connected vertical with the cylndrical surface of semicolumn front hand grip (6-1), on connection cylinder center line, from the plane of the end face to semicolumn front hand grip (6-1) that connect cylinder, the handle attachment hole (6-2) be connected successively respectively, cylinder bar lubrication hole (6-3), cylinder bar pilot hole (6-4), columniform other entry (6-5), the other fork hole (6-6) of cross circular arc type.
10. suction inlet is that vacuum pump is held in the selflubricating of quick inserting joint according to claim 1, it is characterized in that: the shape of described cylinder bar handle (1-7) is also for T-shaped, top yi word pattern is semicolumn back handle (7-1), there is ball top at the two ends of semicolumn back handle (7-1), the not fork cylindrical body of bottom for being connected with the plane of semicolumn back handle (7-1), do not pitching cylindrical end face both sides, there is the axes normal with semicolumn back handle (7-1), and with do not pitch cylindrical centrosymmetric oblong Cha (7-2), there is handle screw (7-3) not pitching cylindrical end face center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310274250.XA CN104279136A (en) | 2013-07-02 | 2013-07-02 | Self-lubricating handheld vacuum pump with suction port serving as quick insertion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310274250.XA CN104279136A (en) | 2013-07-02 | 2013-07-02 | Self-lubricating handheld vacuum pump with suction port serving as quick insertion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104279136A true CN104279136A (en) | 2015-01-14 |
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ID=52254373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310274250.XA Pending CN104279136A (en) | 2013-07-02 | 2013-07-02 | Self-lubricating handheld vacuum pump with suction port serving as quick insertion joint |
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| Country | Link |
|---|---|
| CN (1) | CN104279136A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946842A (en) * | 2016-06-13 | 2016-09-21 | 上汽通用汽车有限公司 | Monitoring method and monitoring system used for monitoring air extraction performance of electronic vacuum pump |
| CN106949366A (en) * | 2017-05-18 | 2017-07-14 | 江苏友信车饰科技有限公司 | A kind of lubrication system of blade connecting rod |
| CN115007999A (en) * | 2022-05-24 | 2022-09-06 | 九江中科神光科技有限公司 | Multi-pass amplified laser beam quality control device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4565506A (en) * | 1984-03-13 | 1986-01-21 | Lisle Corporation | Hand operated vacuum pump |
| US5011381A (en) * | 1989-09-22 | 1991-04-30 | Neward Theodore C | Hand-held vacuum pump vacuum release |
| CN2199326Y (en) * | 1994-06-23 | 1995-05-31 | 胡毅煌 | Pressing-down air-pumping piston vacuum pump |
| CN2581726Y (en) * | 2002-10-14 | 2003-10-22 | 黄华 | Hand vacuum pump |
| CN2588074Y (en) * | 2002-11-28 | 2003-11-26 | 吴安全 | Hand driven negative pressure pump |
| US20040105769A1 (en) * | 2002-11-29 | 2004-06-03 | An Chiuan Wu | Manual negative pressure pump device |
| CN202579088U (en) * | 2012-04-28 | 2012-12-05 | 金华市天佑科技有限公司 | Manual vacuum pump |
-
2013
- 2013-07-02 CN CN201310274250.XA patent/CN104279136A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4565506A (en) * | 1984-03-13 | 1986-01-21 | Lisle Corporation | Hand operated vacuum pump |
| US5011381A (en) * | 1989-09-22 | 1991-04-30 | Neward Theodore C | Hand-held vacuum pump vacuum release |
| CN2199326Y (en) * | 1994-06-23 | 1995-05-31 | 胡毅煌 | Pressing-down air-pumping piston vacuum pump |
| CN2581726Y (en) * | 2002-10-14 | 2003-10-22 | 黄华 | Hand vacuum pump |
| CN2588074Y (en) * | 2002-11-28 | 2003-11-26 | 吴安全 | Hand driven negative pressure pump |
| US20040105769A1 (en) * | 2002-11-29 | 2004-06-03 | An Chiuan Wu | Manual negative pressure pump device |
| CN202579088U (en) * | 2012-04-28 | 2012-12-05 | 金华市天佑科技有限公司 | Manual vacuum pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946842A (en) * | 2016-06-13 | 2016-09-21 | 上汽通用汽车有限公司 | Monitoring method and monitoring system used for monitoring air extraction performance of electronic vacuum pump |
| CN105946842B (en) * | 2016-06-13 | 2018-08-14 | 上汽通用汽车有限公司 | The monitoring method and monitoring system of pumping performance for monitoring electronic vacuum pump |
| CN106949366A (en) * | 2017-05-18 | 2017-07-14 | 江苏友信车饰科技有限公司 | A kind of lubrication system of blade connecting rod |
| CN115007999A (en) * | 2022-05-24 | 2022-09-06 | 九江中科神光科技有限公司 | Multi-pass amplified laser beam quality control device |
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Application publication date: 20150114 |