CN210949029U - Vacuum generating equipment - Google Patents
Vacuum generating equipment Download PDFInfo
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- CN210949029U CN210949029U CN201922051694.2U CN201922051694U CN210949029U CN 210949029 U CN210949029 U CN 210949029U CN 201922051694 U CN201922051694 U CN 201922051694U CN 210949029 U CN210949029 U CN 210949029U
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Abstract
The utility model discloses a vacuum generating device, which comprises a cylinder body, wherein three independent cavities are coaxially arranged inside the cylinder body, and an air inlet one-way valve and an air outlet one-way valve which are communicated with the outside are respectively and hermetically arranged at the two ends of the cavity at the two ends of the cylinder body; the piston body comprises three sliding rods and three pistons, the pistons are sleeved on the sliding rods, the sliding rods are arranged in the cylinder body in a sliding and sealing mode along the axial direction of the cylinder body, and the pistons are arranged in one-to-one correspondence to the cavities; and the air power system drives the piston body to reciprocate in the cylinder body along the axial direction of the cylinder body through compressed air so as to form vacuum in the cavities at two sides. The utility model discloses use compressed air as power, drive piston body along cylinder body axial reciprocating motion in the cylinder body to the messenger is located the cavity of both sides and forms the vacuum, and because the cavity both ends that are located the cylinder body both ends are sealed respectively to be provided with the check valve and the exhaust check valve that admit air that are linked together with the external world, make the piston body at reciprocating motion's in-process, always be in the vacuum state of negative pressure in the cavity at both ends.
Description
Technical Field
The utility model relates to a vacuum generator technical field, concretely relates to vacuum generating equipment.
Background
Most of the existing vacuum generation equipment in the market is constructed by taking an electric energy driving motor as power, is large in size, consumes material resources, and is inconvenient to install and maintain, and the vacuum generation equipment is inconvenient in practical application.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a vacuum generating equipment, simple to operate makes and cost of maintenance is low, and single equipment also can install and use, uses compressed air to be power, and work efficiency is high, saves the electric energy.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
a vacuum generating apparatus comprising:
the cylinder body is in a circular tube shape, two ends of the cylinder body are sealed, three independent cavities are coaxially arranged inside the cylinder body, and two ends of the cavity at two ends of the cylinder body are respectively provided with an air inlet one-way valve and an air outlet one-way valve which are communicated with the outside in a sealing manner;
the piston bodies comprise three sliding rods and pistons sleeved on the sliding rods, the sliding rods are arranged in the cylinder body in a sliding and sealing mode along the axial direction of the cylinder body, and the pistons are arranged and correspond to the cavities one to one; and
and the air power system drives the piston body to reciprocate in the cylinder body along the axial direction of the cylinder body through compressed air so as to form vacuum in the cavities at two sides.
Furthermore, two adjacent cavities are separated by a fixing block, an air inlet one-way valve and an air outlet one-way valve which are positioned in the middle of the cylinder body are arranged in the fixing block, and the sliding rod is arranged in the fixing block in a sliding and sealing mode.
Further, the cylinder body is of a double-layer structure, an interlayer is arranged between the double-layer structure, and a water inlet pipe and a water outlet pipe for cold water to enter and exit are connected in the interlayer.
Furthermore, the two ends of the cylinder body are sealed through end covers in threaded connection, a sealing ring is arranged between each end cover and the cylinder body, and an air inlet one-way valve and an air exhaust one-way valve which are located at the end parts are arranged on the end covers in a sealing mode.
Further, the outer wall of fixed block and the outer inner wall of cylinder body are sealed the laminating to divide into the water-cooling chamber of three and cavity one-to-one with the intermediate layer, every all be provided with inlet tube and outlet pipe on the water-cooling chamber.
Further, two ends of each water-cooling cavity are provided with sealing rings.
Further, the air power system includes air compressor machine, three solenoid valve and controller, three solenoid valve is connected with the controller, the air compressor machine passes through the air duct and is connected with three solenoid valve's air inlet, two gas outlets of three solenoid valve are connected with the pipeline of giving vent to anger respectively, two the end of giving vent to anger of pipeline of giving vent to anger is installed respectively on the fixed block to be linked together with cavity inside in the middle, be located cavity both ends outside in the middle and all be provided with the magnetic induction switch, be provided with the magnetic ring on the piston in the cavity in the middle of being located, the magnetic induction switch is connected with the controller.
Further, the vacuum generating equipment still includes vacuum storage jar, be connected with two air ducts on the vacuum storage jar, the other end of two air ducts is connected with the inlet port of two check valves that admit air respectively.
Further, be provided with the vacuum measuring apparatu that is used for measuring vacuum storage jar internal gas pressure on the vacuum storage jar, the vacuum measuring apparatu is connected with the controller.
Further, the controller is a PLC controller or a single chip microcomputer.
The beneficial effects of the utility model are embodied in: the utility model discloses use compressed air as power, drive piston body along cylinder body axial reciprocating motion in the cylinder body to the messenger is located the cavity of both sides and forms the vacuum, and because the cavity both ends that are located the cylinder body both ends are sealed respectively to be provided with the check valve and the exhaust check valve that admit air that are linked together with the external world, make the piston body at reciprocating motion's in-process, always be in the vacuum state of negative pressure in the cavity at both ends, improved the work efficiency of this equipment effectively, thereby can save the electric energy.
Compare in traditional vacuum generation equipment with motor drive, the utility model discloses a vacuum generation equipment simple structure, simple to operate makes and cost of maintenance is low, and work efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a vacuum generating apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram ii of a vacuum generating apparatus according to an embodiment of the present invention;
in the attached drawing, a cylinder body 1, an air inlet one-way valve 2, an exhaust one-way valve 3, a slide rod 4, a piston 5, a fixing block 6, an interlayer 7, a water inlet pipe 8, a water outlet pipe 9, an end cover 10, a sealing ring 11, an air compressor 12, a three-way electromagnetic valve 13, a controller 14, an air outlet pipeline 15, a magnetic induction switch 16, a magnetic ring 17, a vacuum storage tank 18 and a vacuum degree measuring instrument 19.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1-2, the present invention provides a vacuum generating apparatus, comprising: the cylinder body 1 is in a circular tube shape, two ends of the cylinder body are arranged in a sealing way, three independent cavities are coaxially arranged in the cylinder body, and an air inlet one-way valve 2 and an air outlet one-way valve 3 which are communicated with the outside are respectively arranged at two ends of the cavities at two ends of the cylinder body 1 in a sealing way; the piston body comprises three sliding rods 4 and pistons 5 sleeved on the sliding rods 4, the sliding rods 4 are arranged in the cylinder body 1 in a sliding and sealing mode along the axial direction of the cylinder body 1, the number of the pistons 5 is three, the pistons correspond to the cavities one by one, and sealing rings and wear-resisting pieces are arranged on the outer wall of each piston 5 to enable the piston 5 and the inner wall of each cavity to be kept sealed; and the aerodynamic system drives the piston body to reciprocate in the cylinder body 1 along the axial direction of the cylinder body 1 through compressed air so as to form vacuum in the cavities at two sides.
Specifically, two adjacent cavities are separated through a fixing block 6, an air inlet one-way valve 2 and an air exhaust one-way valve 3 which are positioned in the middle of a cylinder body 1 are arranged in the fixing block 6, a sliding rod 4 is arranged in the fixing block 6 in a sliding sealing mode, and the sliding rod 4 and the fixing block 6 are sealed through a sealing ring.
The cylinder body 1 is of a double-layer structure, an interlayer 7 is arranged between the double-layer structure, and a water inlet pipe 8 and a water outlet pipe 9 for cold water to enter and exit are connected in the interlayer 7. When the piston body is along 1 axial reciprocating motion of cylinder body in cylinder body 1, the inner wall contact of outer wall and 1 inlayer of cylinder body can generate heat, flows in cold water at intermediate layer 7 inner loop through inlet tube 8 and outlet pipe 9, makes the heat of production in time taken away by the cold water that intermediate layer 7 inner loop flows, prevents that cylinder body 1 and piston 5 from taking place to warp because of being heated.
The both ends of cylinder body 1 are sealed through the end cover 10 of spiro union, and end cover 10 adopts the aluminium alloy material preparation, is provided with the sealing washer between end cover 10 and the cylinder body 1 to seal the both ends of cylinder body 1, the air inlet check valve 2 and the exhaust check valve 3 that are located the tip all seal the setting on end cover 10.
The outer wall of fixed block 6 and the sealed laminating of the outer inner wall of cylinder body 1 to divide into three water-cooling chamber with the cavity one-to-one with intermediate layer 7, all be provided with inlet tube 8 and outlet pipe 9 on every water-cooling chamber. Both ends of every water-cooling chamber all are provided with sealing ring 11, and sealing ring 11 is used for sealing the both ends of water-cooling chamber, prevents that cold water and fixed block 6 from contacting, causes fixed block 6 to be corroded by water.
Specifically, the aerodynamic system includes air compressor 12, three-way solenoid valve 13 and controller 14, three-way solenoid valve 13 is three-position five-way solenoid valve, be connected with controller 14, air compressor 12 is connected with three-way solenoid valve 13's air inlet through the air duct, two gas outlets of three-way solenoid valve 13 are connected with outlet duct 15 respectively, two outlet duct 15's the end of giving vent to anger is installed respectively on fixed block 6, and with the cavity inside in the middle of being linked together, be located cavity both ends outside in the middle and all be provided with magnetic induction switch 16, be located and be provided with magnetic ring 17 on the piston 5 in the cavity in the middle, magnetic induction switch 16 is connected with controller 14.
The air compressor 12 is used for generating compressed air, after the compressed air enters the three-way electromagnetic valve 13 from the air inlet of the three-way electromagnetic valve 13, the compressed air enters the cavity in the middle from one air outlet of the three-way electromagnetic valve 13 through the air outlet pipeline 15, the compressed air pushes the piston 5 in the cavity in the middle to move to the other side, and at the moment, the other air outlet of the three-way electromagnetic valve 13 is in an open state, so that the air in the cavity in the middle is discharged from the other air outlet of the three-way electromagnetic valve 13. When the piston 5 in the middle cavity moves to the other side, the magnetic ring 17 on the piston 5 in the middle cavity triggers the magnetic induction switch 16, the magnetic induction switch 16 gives a feedback signal to the controller 14, at the moment, the controller 14 controls the working states of the two air outlets of the three-way electromagnetic valve 13 to be reversed, so that the piston 5 in the middle cavity is driven to move towards the initial position, when the piston 5 moves to the initial position, the magnetic induction switch 16 gives a feedback signal to the controller 14, at the moment, the controller 14 controls the working states of the two air outlets of the three-way electromagnetic valve 13 to be reversed again, and therefore the piston body can reciprocate in the cylinder 1 along the axial direction of the cylinder 1.
When the piston body moves to one side along the axial direction of the cylinder body 1 in the cylinder body 1, air in the cavities at the two ends is discharged from the exhaust one-way valve 3, and when the piston body moves to the other side, the air inlet one-way valve 2 is connected with equipment needing vacuum conditions, and vacuum is formed in the cavities at the two ends.
Further, the vacuum generating equipment further comprises a vacuum storage tank 18, two air guide pipes are connected to the vacuum storage tank 18, and the other ends of the two air guide pipes are respectively connected with the air inlet ports of the two air inlet one-way valves 2, so that the vacuum storage tank 18 can discharge air in the vacuum storage tank 18 when the piston body reciprocates, and the inside of the vacuum storage tank 18 is always in a negative pressure state.
The vacuum storage tank 18 is provided with a vacuum degree measuring instrument 19 for measuring the air pressure in the vacuum storage tank 18, and the vacuum degree measuring instrument 19 is connected with the controller 14. The vacuum degree measuring instrument 19 is used for measuring the vacuum degree in the vacuum storage tank 18, and when the vacuum degree value is lower than a preset value in the controller 14, the controller 14 controls the three-way electromagnetic valve 13 to close the air outlet at the same time, so that the piston body can stop reciprocating motion, and the vacuum degree in the vacuum storage tank 18 is controlled.
The utility model provides a controller 14 can adopt PLC controller or singlechip, and controller 14's control port is connected with the relay, and then controls three solenoid valve 13's operating condition.
To sum up, the utility model discloses use compressed air as power, drive piston body along 1 axial reciprocating motion of cylinder body in cylinder body 1 to the messenger is located the cavity of both sides and forms the vacuum, and because the cavity both ends that are located 1 both ends of cylinder body are sealed respectively and are provided with the check valve 2 and the exhaust check valve 3 that admit air that are linked together with the external world, make the piston body at reciprocating motion's in-process, always be in the vacuum state of negative pressure in the cavity at both ends, improved the work efficiency of this equipment effectively, thereby can save the electric energy.
Compare in traditional vacuum generation equipment with motor drive, the utility model discloses a vacuum generation equipment simple structure, simple to operate makes and cost of maintenance is low, and work efficiency is high.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A vacuum generating apparatus, comprising:
the cylinder body (1) is in a circular tube shape, two ends of the cylinder body are sealed, three independent cavities are coaxially arranged inside the cylinder body, and an air inlet one-way valve (2) and an air outlet one-way valve (3) communicated with the outside are respectively and hermetically arranged at two ends of the cavity at two ends of the cylinder body (1);
the piston body comprises three sliding rods (4) and pistons (5) sleeved on the sliding rods (4), the sliding rods (4) are arranged in the cylinder body (1) in a sliding and sealing mode along the axial direction of the cylinder body (1), and the pistons (5) are arranged and correspond to the cavities one by one; and
the aerodynamic system drives the piston body to reciprocate in the cylinder body (1) along the axial direction of the cylinder body (1) through compressed air so as to form vacuum in the cavities on two sides.
2. A vacuum generating apparatus according to claim 1, characterized in that: two adjacent cavities are separated by a fixing block (6), an air inlet one-way valve (2) and an air outlet one-way valve (3) which are positioned in the middle of the cylinder body (1) are arranged in the fixing block (6), and the sliding rod (4) penetrates through the fixing block (6) in a sliding and sealing mode.
3. A vacuum generating apparatus according to claim 2, characterized in that: the cylinder body (1) is of a double-layer structure, an interlayer (7) is arranged between the double-layer structure, and a water inlet pipe (8) and a water outlet pipe (9) for cold water to enter and exit are connected in the interlayer (7).
4. A vacuum generating apparatus according to claim 3, characterized in that: the two ends of the cylinder body (1) are sealed through end covers (10) which are in threaded connection, a sealing ring is arranged between each end cover (10) and the cylinder body (1), and an air inlet one-way valve (2) and an air exhaust one-way valve (3) which are located at the end parts are arranged on the end covers (10) in a sealing mode.
5. A vacuum generating apparatus according to claim 3, characterized in that: the outer wall of fixed block (6) and the sealed laminating of the outer inner wall of cylinder body (1) to divide into three water-cooling chamber with cavity one-to-one with intermediate layer (7), every all be provided with inlet tube (8) and outlet pipe (9) on the water-cooling chamber.
6. A vacuum generating apparatus according to claim 3, characterized in that: and two ends of each water-cooling cavity are provided with sealing rings (11).
7. A vacuum generating apparatus according to claim 2, characterized in that: the aerodynamic system comprises an air compressor (12), a three-way electromagnetic valve (13) and a controller (14), wherein the three-way electromagnetic valve (13) is connected with the controller (14), the air compressor (12) is connected with an air inlet of the three-way electromagnetic valve (13) through an air duct, two air outlets of the three-way electromagnetic valve (13) are respectively connected with an air outlet pipeline (15) and two air outlet ends of the air outlet pipeline (15) are respectively installed on a fixed block (6) and are communicated with the inside of a middle cavity, magnetic induction switches (16) are arranged outside the two ends of the middle cavity, a magnetic ring (17) is arranged on a piston (5) in the middle cavity, and the magnetic induction switches (16) are connected with the controller (14).
8. A vacuum generating apparatus according to claim 7, characterized in that: the vacuum generating equipment further comprises a vacuum storage tank (18), wherein the vacuum storage tank (18) is connected with two air guide pipes, and the other ends of the two air guide pipes are respectively connected with the air inlet ports of the two air inlet one-way valves (2).
9. A vacuum generating apparatus according to claim 8, wherein: the vacuum degree measuring instrument (19) used for measuring air pressure in the vacuum storage tank (18) is arranged on the vacuum storage tank (18), and the vacuum degree measuring instrument (19) is connected with the controller (14).
10. A vacuum generating apparatus according to claim 8, wherein: the controller (14) is a PLC controller or a single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922051694.2U CN210949029U (en) | 2019-11-25 | 2019-11-25 | Vacuum generating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922051694.2U CN210949029U (en) | 2019-11-25 | 2019-11-25 | Vacuum generating equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210949029U true CN210949029U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922051694.2U Active CN210949029U (en) | 2019-11-25 | 2019-11-25 | Vacuum generating equipment |
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| CN (1) | CN210949029U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792576A (en) * | 2019-11-25 | 2020-02-14 | 胡杨沫 | Vacuum generating equipment |
| CN114876758A (en) * | 2022-04-30 | 2022-08-09 | 青岛盘古智能制造股份有限公司 | Vacuum pump and application system and method thereof |
| CN114962212A (en) * | 2022-07-28 | 2022-08-30 | 杭州银轩机械有限公司 | Double-piston type new energy automobile vacuum pump |
-
2019
- 2019-11-25 CN CN201922051694.2U patent/CN210949029U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110792576A (en) * | 2019-11-25 | 2020-02-14 | 胡杨沫 | Vacuum generating equipment |
| CN114876758A (en) * | 2022-04-30 | 2022-08-09 | 青岛盘古智能制造股份有限公司 | Vacuum pump and application system and method thereof |
| CN114876758B (en) * | 2022-04-30 | 2024-02-13 | 青岛盘古智能制造股份有限公司 | Vacuum pump and application system and method thereof |
| CN114962212A (en) * | 2022-07-28 | 2022-08-30 | 杭州银轩机械有限公司 | Double-piston type new energy automobile vacuum pump |
| CN114962212B (en) * | 2022-07-28 | 2022-10-25 | 杭州银轩机械有限公司 | Double-piston type new energy automobile vacuum pump |
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