CN213808075U - Single-cylinder rotor pump with rotary one-way valve - Google Patents
Single-cylinder rotor pump with rotary one-way valve Download PDFInfo
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- CN213808075U CN213808075U CN202021089319.3U CN202021089319U CN213808075U CN 213808075 U CN213808075 U CN 213808075U CN 202021089319 U CN202021089319 U CN 202021089319U CN 213808075 U CN213808075 U CN 213808075U
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Abstract
The invention relates to a single cylinder rotor pump with a rotary one-way valve, comprising: the single-cylinder rotor pump, the transmission mechanism, the first one-way valve, the second one-way valve, the third one-way valve, the fourth one-way valve and the first valve core; the first one-way valve, the second one-way valve, the third one-way valve and the fourth one-way valve are connected with the pump body of the single-cylinder rotor pump; the transmission mechanism is connected with the single-cylinder rotor pump and the first one-way valve, the second one-way valve, the third one-way valve and the fourth one-way valve; the power transmission of single cylinder rotor pump is passed through drive mechanism for the case of check valve during operation, has realized the synchronism of case rotation and single cylinder rotor pump eccentric shaft, guarantees the closed ageing of check valve, does not have the time lag phenomenon, has effectively avoided the untimely problem of ordinary check valve opening and closing that leads to because of the frequency is too high, simple structure, compact.
Description
Technical Field
The invention relates to the field of rotor pumps, in particular to a single-cylinder rotor pump with a rotary one-way valve.
Background
The existing water pumps can be divided into displacement pumps, vane pumps and the like according to the working principle. The positive displacement pump is a pump for conveying liquid by utilizing the change of the inner volume of a pump cylinder, and mainly comprises: piston pump, plunger pump, rotor pump, diaphragm pump, gear pump, sliding vane pump, screw pump, etc. The positive displacement pumps such as reciprocating pumps have strong self-priming capability, the theoretical flow rate is irrelevant to the working pressure and only depends on the rotating speed, the size of a pump cylinder and the action number. But the flow is not uniform, the rotating speed is not suitable to be too fast, the liquid pollution degree is not very sensitive, the structure is more complicated, more easily damaged parts are not easy to maintain, the fund consumption is large, and the like. Vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like. At present, the used rotor pump generally has the problems of low efficiency such as pressure, flow attenuation and the like due to the fault of a one-way valve after being used for a period of time, so that the actual use requirement of the rotor pump cannot be met; meanwhile, the pump one-way valve is also greatly damaged by frequent opening and closing of the pump one-way valve, the one-way valve is easy to break down, and the service life is short.
Disclosure of Invention
The invention provides a single-cylinder rotor pump with a rotary one-way valve, which is characterized in that the single-cylinder rotor pump is provided with a transmission mechanism, a first one-way valve, a second one-way valve, a third one-way valve, a fourth one-way valve and a first valve core; the accurate opening and closing of the one-way valve are realized, the structure is simple, the volume is compact, and the opening and closing time of the one-way valve is controllable.
The technical scheme adopted by the invention is as follows:
the utility model provides a single cylinder rotor pump with rotatory check valve which characterized in that: the method comprises the following steps: the single-cylinder rotor pump, the transmission mechanism, the first one-way valve, the second one-way valve, the third one-way valve, the fourth one-way valve and the first valve core;
the first one-way valve, the second one-way valve, the third one-way valve and the fourth one-way valve are connected with the pump body of the single-cylinder rotor pump;
the transmission mechanism is connected with the single-cylinder rotor pump and the first one-way valve, the second one-way valve, the third one-way valve and the fourth one-way valve.
Further, the single-cylinder rotor pump comprises a first bearing seat, a first end cover, a pump body, a rotor, an eccentric shaft, a second end cover, a second bearing seat, an edge arc seal and an O-shaped ring;
the first bearing seat is connected with the first end cover, and the first end cover is connected with the pump body;
the second end cover is arranged on the other side of the pump body, and the second bearing seat is arranged on the second end cover;
the rotor is arranged in the pump body, the eccentric shaft is arranged in the rotor, and two sides of the eccentric shaft are respectively connected with the first bearing seat and the second bearing seat through bearings.
Further, the transmission mechanism comprises a driving gear, a transition gear and a driving gear; the driving gear is meshed with the transition gear, and the transition gear is meshed with the driving gear;
the driving gear is installed on the eccentric shaft, the transition gear is installed on the second end cover, and the driving gear is installed on the valve core;
the transmission ratio of the driving gear to the driving gear is 2: 1.
Further, the first one-way valve, the second one-way valve, the third one-way valve and the fourth one-way valve are identical in structure, and the first one-way valve mechanism comprises a first valve core and a valve body.
Furthermore, the first valve core and the valve body are in small clearance fit.
Further, the valve also comprises a first valve core, a second valve core, a third valve core and a fourth valve core; the first valve core, the second valve core, the third valve core and the fourth valve core are identical in structure, sealing ring grooves are formed in two ends of the first valve core, a valve port is formed in the middle of the first valve core, and movable sealing rings can be installed in the sealing ring grooves in the two ends of the first valve core, so that sealing between the valve cores and the valve shell is achieved.
Further, the dynamic sealing ring is made of polyurethane.
Further, both sides of the rotor are provided with an edge arc seal and an O-shaped ring; three corners of the side arc seal are provided with clamping grooves; and an inner gear ring is arranged in the rotor and meshed with an outer gear on the second bearing seat.
Furthermore, the side arc sealing material is high-molecular polytetrafluoroethylene carbon fiber;
the single-cylinder rotor pump, the transmission mechanism, the first one-way valve, the second one-way valve, the third one-way valve, the fourth one-way valve and the first valve core are arranged; the power transmission of single cylinder rotor pump is passed through drive mechanism for the case of check valve during operation, has realized the synchronism of case rotation and single cylinder rotor pump eccentric shaft, and the check valve frequency of opening and shutting is high, does not have the time lag phenomenon, has effectively avoided the problem of too late closing because of too high ordinary check valve of frequency, simple structure, compact, and the check valve switch is accurate timely.
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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for a customer of ordinary skill in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of a single cylinder gerotor pump of the present invention with a rotary check valve;
FIG. 2 is a disassembled three-dimensional structure diagram of the rotor pump of the single-cylinder rotor pump with the rotary check valve of the invention;
FIG. 3 is a rear elevational view of the single cylinder gerotor pump of the present invention with a rotary check valve;
FIG. 4 is a perspective view of a first spool of the single cylinder gerotor pump of the present invention with a rotary check valve;
FIG. 5 is a schematic diagram of the rotor and one-way valve position of the single cylinder rotor pump with rotary one-way valve of the present invention;
in the figure: 1. the single-cylinder rotor pump comprises a single-cylinder rotor pump body 101, a first bearing seat 102, a first end cover 103, a pump body 104, a rotor 105, an eccentric shaft 106, a second end cover 107, a second bearing seat 108, an edge arc seal 109, an O-shaped ring 1010, an inner gear ring 2, a transmission mechanism 201, a driving gear 202, a transition gear 203, a driving gear 203, a first check valve 3, a second check valve 4, a third check valve 5, a fourth check valve 6, a first valve core 7, a seal ring groove 701, a valve port 702, a second valve core 8, a third valve core 9, a fourth valve core 10 and a fourth valve core.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is further described below with reference to the accompanying drawings.
In a particular embodiment of the invention, seen in fig. 1-4, a single cylinder gerotor pump with rotary check valves includes: the single-cylinder rotor pump comprises a single-cylinder rotor pump 1, a transmission mechanism 2, a first one-way valve 3, a second one-way valve 4, a third one-way valve 5, a fourth one-way valve 6 and a first valve core 7;
the first one-way valve 3, the second one-way valve 4, the third one-way valve 5 and the fourth one-way valve 6 are connected with the pump body 103 of the single-cylinder rotor pump 1;
the transmission mechanism 2 is connected with the single-cylinder rotor pump 1, the first one-way valve 3, the second one-way valve 4, the third one-way valve 5 and the fourth one-way valve 6.
In an embodiment of the present invention, referring to fig. 1-4, a single-cylinder rotor pump 1 includes a first bearing seat 101, a first end cap 102, a pump body 103, a rotor 104, an eccentric shaft 105, a second end cap 106, a second bearing seat 107, an arc seal 108, an O-ring 109, and an annular gear 1010;
the first bearing seat 101 is connected with the first end cover 102, and the first end cover 102 is connected with the pump body 103;
a second end cover 106 is arranged on the other side of the pump body 103, and a second bearing seat 107 is arranged on the second end cover 106;
In an embodiment of the present invention, as shown in fig. 1-4, the transmission mechanism 2 includes a driving gear 201, a transition gear 202, and a driving gear 203;
the driving gear 201 is meshed with the transition gear 202, and the transition gear 202 is meshed with the driving gear 203;
the driving gear 201 is installed on the eccentric shaft 105, the transition gear 202 is installed on the second end cover 106, and the driving gear 203 is installed on the valve core;
the gear ratio of the drive gear 201 to the drive gear 203 is 2: 1.
In the embodiment of the present invention, see fig. 1-4, further comprises a first valve spool 7, a second valve spool 8, a third valve spool 9, and a fourth valve spool 10; the first valve core 7, the second valve core 8, the third valve core 9 and the fourth valve core 10 have the same structure, sealing ring grooves 701 are arranged at two ends of the first valve core 7, and a valve port 702 is arranged in the middle of the first valve core 7.
In a specific embodiment of the present invention, seen in fig. 1-4, the rotor 104 is fitted with side arc seals 108 and O-rings 109 on both sides; three corners of the side arc seal 108 are provided with clamping grooves; an inner gear ring 1010 is installed inside the rotor 104, and the inner gear ring 1010 is meshed with an outer gear on the second bearing seat 107.
In the embodiment of the present invention, as shown in fig. 1-4, in the implementation process, first, the O-rings 109 and the side arc seals 108 are installed on two sides of the rotor 104, the eccentric portion of the eccentric shaft 105 is installed in the rotor 104, radial seal strips are installed on three corners of the rotor 104, springs are arranged at the bottoms of the radial seal strips to eject the radial seal strips, slots are opened on three corners of the side arc seals 108, a portion of the radial seal strips is inserted into the slots of the side arc seals 108, the first cover plate 102 and the second cover plate 106 are respectively installed on two sides of the pump body 103, bearings are installed in the first bearing seat 101, one end of the eccentric shaft 105 is installed in the bearing of the first bearing seat 101, the other end of the eccentric shaft 105 is installed in the bearing of the second bearing seat 107, and the external gear structure on the second bearing seat 107 is engaged with the internal gear 1010.
The first check valve 3, the second check valve 4, the third check valve 5 and the fourth check valve 6 are arranged on four water inlets and outlets of the pump body 103, the opening and closing of valve cores of the first check valve 3, the second check valve 4, the third check valve 5 and the fourth check valve 6 are controlled by a transmission mechanism 2, the transmission mechanism 2 comprises a driving gear 201, a transition gear 202 and a driving gear 203, the transmission ratio from the driving gear 201 to the driving gear 203 is 2:1, a first valve core 7 is arranged in the first check valve 3, a second valve core 8 is arranged in the second check valve 4, a third valve core 9 is arranged in the third check valve 5, and a fourth valve core 10 is arranged in the fourth check valve 6; each valve core is provided with a driving gear, two ends of the first valve core 7 are provided with sealing ring grooves 701, and the middle part is provided with a valve port 702; the initial installation position of the rotor 104 is that one of the angles is vertically upward, so that the initial installation positions of the four valve cores are determined; assuming that the rotor 104 rotates clockwise, the valve core 7 is in a half-open state, the valve core 8 is in an almost-open state, the valve core 9 is in an almost-closed state, and the valve core 10 is in a half-closed state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a single cylinder rotor pump with rotatory check valve which characterized in that: the method comprises the following steps: the single-cylinder rotor pump, the transmission mechanism, the first one-way valve, the second one-way valve, the third one-way valve and the fourth one-way valve;
the first one-way valve, the second one-way valve, the third one-way valve and the fourth one-way valve are connected with the pump body of the single-cylinder rotor pump;
the transmission mechanism is connected with the single-cylinder rotor pump and the first one-way valve, the second one-way valve, the third one-way valve and the fourth one-way valve.
2. The single cylinder rotary pump with rotary check valve of claim 1 wherein: the single-cylinder rotor pump comprises a first bearing block, a first end cover, a pump body, a rotor, an eccentric shaft, a second end cover and a second bearing block; the first bearing seat is connected with the first end cover, and the first end cover is connected with the pump body;
the second end cover is arranged on the other side of the pump body, and the second bearing seat is arranged on the second end cover; the rotor is arranged in the pump body, the eccentric shaft is arranged in the rotor, and two sides of the eccentric shaft are respectively connected with the first bearing seat and the second bearing seat through bearings.
3. The single cylinder rotary pump with rotary check valve of claim 2, wherein: the transmission mechanism comprises a driving gear, a transition gear and a driving gear; the valve also comprises a first valve core, a second valve core, a third valve core and a fourth valve core; the first valve core, the second valve core, the third valve core and the fourth valve core have the same structure, sealing ring grooves are formed in two ends of the first valve core, and a valve port is formed in the middle of the first valve core; a first valve core is arranged in the first one-way valve, a second valve core is arranged in the second one-way valve, a third valve core is arranged in the third one-way valve, and a fourth valve core is arranged in the fourth one-way valve; each valve core is provided with a driving gear, two ends of the first valve core are provided with sealing ring grooves, and the middle part of the first valve core is provided with a valve port; the initial installation position of the rotor is that one of the angles is vertically upward, so that the initial installation positions of the four valve cores are determined;
the driving gear is meshed with the transition gear, and the transition gear is meshed with the driving gear;
the driving gear is mounted on the eccentric shaft, the transition gear is mounted on the second end cover, and the driving gear is mounted on the valve core.
4. The single cylinder rotary pump with rotary check valve of claim 2, wherein: and side arc seals and O-shaped rings are arranged on two sides of the rotor, an inner gear ring is arranged in the rotor, and the inner gear ring is meshed with an outer gear on the second bearing seat.
5. The single cylinder rotary pump with rotary check valve of claim 4, wherein: the side arc seal is triangular, and the three corners are provided with clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021089319.3U CN213808075U (en) | 2020-06-11 | 2020-06-11 | Single-cylinder rotor pump with rotary one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021089319.3U CN213808075U (en) | 2020-06-11 | 2020-06-11 | Single-cylinder rotor pump with rotary one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808075U true CN213808075U (en) | 2021-07-27 |
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ID=76930432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021089319.3U Active CN213808075U (en) | 2020-06-11 | 2020-06-11 | Single-cylinder rotor pump with rotary one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213808075U (en) |
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2020
- 2020-06-11 CN CN202021089319.3U patent/CN213808075U/en active Active
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