CN213176039U - Stator and rotor clearance control mechanism of double-acting vane type vacuum pump - Google Patents
Stator and rotor clearance control mechanism of double-acting vane type vacuum pump Download PDFInfo
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- CN213176039U CN213176039U CN202021293595.1U CN202021293595U CN213176039U CN 213176039 U CN213176039 U CN 213176039U CN 202021293595 U CN202021293595 U CN 202021293595U CN 213176039 U CN213176039 U CN 213176039U
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Abstract
The utility model discloses a double-acting vane type vacuum pump stator and rotor clearance control mechanism, which comprises a clearance insert tool, a vertical hold-down mechanism, a horizontal positioning mechanism, a vane pump assembly and a base, wherein the vertical hold-down mechanism and the vane pump assembly are arranged on the base; the gap inserting piece tool comprises an inserting piece for adjusting the gap of the rotor, the gap inserting piece tool is tightly pressed on the vane pump assembly through the vertical pressing mechanism, and the stator is fixed in the horizontal direction through the horizontal positioning mechanism and the gap of the stator and the rotor is kept unchanged; compared with the prior art, the mechanism has simple structure and low cost, and does not need to be provided with a displacement sensor and a display screen matched with the displacement sensor; the operation is simple, the horizontal positioning mechanism does not need to be driven for multiple times, the production time is saved, and the production efficiency is improved; the replacement performance and the applicability are strong, and the motor positioning tool, the stator positioning tool and the gap inserting piece tool can be replaced to adapt to vane pump assemblies of different specifications and sizes.
Description
Technical Field
The utility model relates to a vacuum pump field, in particular to two effect vane type vacuum pump stator-rotor clearance control mechanisms.
Background
The working principle of the existing double-acting vane vacuum pump for vehicles is that a motor shaft drives a transmission sleeve to rotate at a high speed and transmits the rotating speed to a rotor, and when the rotor rotates, a vane is thrown out to form a working cavity with a stator, a stator seat and a stator cover for air suction and exhaust circulation, so that the function of vacuumizing is achieved.
The gap control method of the stator and the rotor of the vane type vacuum pump is simple and basically adopts manual assembly, and when the rotor is radially offset during assembly, the pumping speed of the vacuum pump is reduced, or the noise is higher, so that the product percent of pass is reduced.
CN 201911221883.8's chinese utility model patent discloses an electronic vacuum pump clearance adjustment device, including workstation and electronic vacuum pump subassembly, the electronic vacuum pump subassembly includes driving motor, flange, lower apron, stator and rotor, be fixed with the locating rack of holding the driving motor on the workstation, the periphery of locating rack is vertically fixed with the spacing post with flange plug bush complex, the stator has oval inner chamber, the rotor sets up in the inner chamber and is connected with driving motor's output shaft is fixed, the beneficial effect of the invention lies in: by adopting the servo propulsion mechanism, the displacement detection propulsion mechanism and the upper pressing mechanism, the reference position, the gap setting and the gap adjustment are automatically determined for the stator under the control of the control system in a coordinated manner, and finally the stator assembly is completed; the adjusting device needs to arrange a displacement sensor and a display screen matched with the displacement sensor in the displacement detection propelling mechanism, the structure is complex, the displacement detection propelling mechanism needs to be adjusted continuously, and the work engineering is slow and complicated.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a double-acting vane type vacuum pump stator and rotor clearance control mechanism, which comprises a clearance insert tool, a vertical pressing mechanism, a horizontal positioning mechanism, a vane pump assembly and a base, wherein the vertical pressing mechanism and the vane pump assembly are arranged on the base, and the vertical pressing mechanism and the base are arranged in a sliding manner; the gap inserting piece tool comprises an inserting piece used for adjusting the gap of the rotor, the gap inserting piece tool is tightly pressed on the vane pump assembly through the vertical pressing mechanism, and the stator is fixed in the horizontal direction through the horizontal positioning mechanism and the gap of the stator and the rotor is kept unchanged.
The technical scheme of the utility model is realized like this:
a double-acting vane vacuum pump stator and rotor clearance control mechanism, comprising:
a base configured to secure a vane pump assembly;
the vane pump assembly comprises a stator and a rotor, wherein the stator is provided with an oval inner cavity, and the rotor is arranged in the inner cavity and has a radial gap with the stator;
the clearance insert tool comprises an insert for inserting and matching with the clearance;
the vertical pressing mechanism is configured to press the gap inserting piece tool on the vane pump assembly, the vertical pressing mechanism and the base are arranged in a relative sliding mode, the vertical pressing mechanism comprises a vertical pressing head, and the vertical pressing head moves away from or close to the gap inserting piece tool along the vertical direction;
and the horizontal positioning mechanism is arranged on the base and comprises a horizontal ejector rod used for abutting and clamping the stator, the horizontal ejector rod moves horizontally to approach and clamp the stator, and the stator is loosened when the horizontal ejector rod is far away from the stator.
The process of adjusting the gap is as follows: after the inserting sheet is inserted into the gap, the vertical pressure head is close to the gap inserting sheet tool and tightly presses the gap inserting sheet tool on the vane pump assembly, the horizontal ejector rod is close to the stator and enables the stator to be fixed in the horizontal direction, and therefore the gap between the stator and the rotor is adjusted; the mechanism does not need to drive the horizontal ejector rod for many times, and does not need to be provided with a displacement sensor and a display screen matched with the displacement sensor, so that the mechanism is simple in structure, convenient to operate and capable of saving cost.
Preferably, the vane pump assembly further comprises a motor located below the rotor, the base comprises a supporting motherboard configured as a main body support and a motor positioning tool arranged on the supporting motherboard, and the motor positioning tool is used for fixing the motor; the stator and the rotor protrude out of the motor positioning tool. The purpose that stator and rotor protrusion in motor location frock makes stator and rotor be easier to operate in follow-up work.
Preferably, the motor positioning tool is provided with a pressing claw for pressing the motor downwards. The pressing claw is tightly pressed on the stator positioning tool and enables the motor to be stable in the motor positioning tool.
Preferably, the motor further comprises a stator positioning tool for preliminarily positioning the stator, and the stator positioning tool is arranged on the motor and is fixed by the pressing claw. The stator positioning tool is used for preliminarily positioning the stator, and the relative position and the angle of the stator on the motor are guaranteed.
Preferably, the stator positioning tool is a plate-shaped body provided with a cavity, the outer contour of the plate-shaped body is the same as the outer contour of the motor, and the contour of the cavity is the same as the outer contour of the stator.
Preferably, the horizontal positioning mechanism further comprises a slide rail seat, the slide rail seat is arranged on two sides of the motor positioning tool in bilateral symmetry and is fixedly connected with the support mother board, the horizontal ejector rod is fixedly connected onto a slide block, and the slide block is arranged above the slide rail seat and is in sliding fit with the slide rail seat. The horizontal ejector rod is driven by the sliding block to move close to or far away from the stator, and the stator is kept fixed after the gap is adjusted under the action of the horizontal ejector rod.
Preferably, the rear end of the horizontal ejector rod is provided with a connecting plate, the horizontal ejector rod is fixedly connected with the connecting plate, and the connecting plate is fixedly connected to the sliding block through screws. The horizontal ejector rod is connected with the sliding block through the connecting plate, so that the connection is more stable, the upper limit of force which can be applied through the horizontal ejector rod is increased, and the stator is more stable when being tightly ejected by the horizontal ejector rod.
Preferably, the vertical pressing mechanism further comprises a spring and a pressing head seat, the pressing head seat is provided with an upper plate and a lower plate, and the upper plate is connected with the lower plate through a vertical plate; the spring is arranged between the upper plate and the lower plate, the vertical pressure head is arranged below the pressure head seat, a round rod is arranged at the top of the vertical pressure head, and the round rod penetrates through the upper plate and the lower plate and is arranged in the spring in a penetrating manner; the bottom of the round rod is provided with a boss, and the spring is respectively propped against the boss and the upper plate. The spring makes perpendicular hold-down mechanism have the pressure buffering to avoid causing the damage to clearance inserted sheet frock and self.
Preferably, the vertical pressure head is positioned right above the motor positioning tool. So that the vertical ram has a good direction to apply pressure to avoid damage to the mechanism.
Preferably, the gap inserting piece tool is an independent workpiece, the gap inserting piece tool further comprises a cylindrical main body and a pressing part, the pressing part is fixedly connected with the inserting piece, the inserting piece is arranged in the main body, the pressing part protrudes out of the top of the main body, the pressing part is pressed towards the inside of the main body, and the inserting piece protrudes out of the bottom surface of the main body; after the inserting sheet is inserted into the gap, the lower end of the vertical pressing head presses the main body downwards. The inserting sheet only protrudes out of the bottom of the main body when in use, thereby ensuring that the inserting sheet is not damaged or the precision of the inserting sheet is not influenced.
Preferably, the outer contour of the main body is consistent with that of the stator, the inserting pieces are arranged at the positions corresponding to the gaps between the stator and the rotor, and the number of the inserting pieces is two and the inserting pieces are both in a crescent structure.
Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:
the utility model provides a two effect vane vacuum pump stator-rotor clearance control mechanisms compares prior art:
1. under the condition of ensuring the functions, the structure is simple, the cost is low, and a displacement sensor and a display screen matched with the displacement sensor are not required.
2. The operation is simple, the horizontal positioning mechanism does not need to be driven for multiple times, the production time is saved, and the production efficiency is improved.
3. The replacement performance and the applicability are strong, and the motor positioning tool, the stator positioning tool and the gap inserting piece tool can be replaced to adapt to vane pump assemblies of different specifications and sizes.
Drawings
Fig. 1 is a sectional view of the horizontal carrier rod of the present invention against the stator in the embodiment;
fig. 2 is a top view of a vane pump assembly in an embodiment of the present invention;
fig. 3 is a front view of the gap insert tool in an embodiment of the present invention;
fig. 4 is a bottom view of the gap insert tool in the embodiment of the present invention;
fig. 5 is a cross-sectional view of the vane pump assembly of an embodiment of the present invention after being installed in the base;
FIG. 6 is a top view of FIG. 5 with the vertical hold-down mechanism and stator cover removed;
fig. 7 is a top view of the pressing claw pressing stator positioning tool in the embodiment of the present invention;
fig. 8 is a sectional view of the stator positioning tool installed in the embodiment of the present invention;
fig. 9 is a cross-sectional view of the gap insert tool in the embodiment of the present invention during use;
FIG. 10 is a top view of the vertical hold-down mechanism of FIG. 1 with the vertical hold-down mechanism removed;
fig. 11 is a sectional view of the stator of the present invention after the stator cover is mounted on the stator.
The figures are numbered: a gap inserting piece tool 1; a vertical hold-down mechanism 2; a horizontal positioning mechanism 3; a stator 4; a rotor 5; an inner cavity 6; a gap 7; an inserting sheet 8; a vertical ram 9; a horizontal ejector rod 10; a motor 11; a head 12; a driving sleeve 13; supporting the motherboard 14; a motor positioning tool 15; a stator holder 16; a stator cover 17; a stator positioning tool 18; a cavity 19; a pressing claw 20; a main body 21; a pressing portion 22; a cake body 23; a connecting column 24; a stopper rod 25; a spring 26; a head base 27; an upper plate 28; a lower plate 29; a riser 30; a round bar 31; a boss 32; a rail seat 33; a slider 34; a connecting plate 35; a through hole 36.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific implementation manner of the utility model is as follows:
the utility model provides a two effect vane vacuum pump stator-rotor clearance control mechanism, including base, impeller pump assembly, clearance inserted sheet frock 1, vertical hold-down mechanism 2 and horizontal positioning mechanism 3, the base configuration is fixed impeller pump assembly, and the impeller pump assembly includes stator 4 and rotor 5, and stator 4 has an oval-shaped inner chamber 6, rotor 5 set up in inner chamber 6 and with stator 4 between have radial clearance 7, clearance inserted sheet frock 1 is used for the adjustment clearance 7 for rotor 5 stops in the exact position, promptly the center department of inner chamber 6 to make this impeller pump keep higher work efficiency and less noise. The vane pump or vane pump assembly in the utility model all refers to two effect vane vacuum pumps.
As shown in fig. 2, the inner cavity 6 of the double-acting vane vacuum pump stator 4 is elliptical, that is, the inner cavity 6 has a major axis and a minor axis; the rotor 5 is circular and arranged at the center of the inner cavity 6, and blades arranged in the rotor 5 are thrown out to be abutted against the wall of the inner cavity 6 when the rotor 5 rotates, so that a gap 7 between the stator 4 and the rotor 5 is divided into a plurality of chambers; because the inner cavity 6 is oval, the volume of the cavity is constantly changed along with the rotation of the rotor 5, and the pressure in the cavity is changed along with the change of the volume of the cavity, thereby realizing the function of pumping and exhausting air by the blade; the chamber inhales air from the short axis to the long axis and exhausts air from the long axis to the short axis; therefore, when the rotor 5 is displaced radially in the longitudinal direction, the pumping speed of the vacuum pump is reduced, the noise is high, and the stator and the rotor need to be assembled and the gap needs to be adjusted.
As shown in fig. 1, 3 and 4, the gap insert tool 1 is an independent workpiece, and includes an insert 8 corresponding to the shape of the gap 7 between the long axes of the stator and the rotor, that is, the insert 8 is in a crescent structure; the vertical pressing mechanism 2 is configured to press the gap insert sheet tool 1 on the vane pump assembly, is arranged on a production line in a sliding manner relative to the base and is controlled to slide by air pressure on the production line, the vertical pressing mechanism 2 comprises a vertical pressing head 9, and the vertical pressing head 9 is aligned with the gap insert sheet tool 1 to move up and down; the horizontal positioning mechanism 3 is also arranged on the base and is configured to keep the stator 4 fixed in the horizontal direction and keep the gap 7 unchanged, the horizontal positioning mechanism 3 comprises a horizontal ejector rod 10 used for abutting and clamping the stator 4, the horizontal ejector rod 10 moves horizontally to be close to and clamps the stator 4, and the stator 4 is loosened when the horizontal ejector rod 10 is far away from the stator 4; after the inserting sheet 8 is inserted into the gap 7, the vertical pressure head 9 is close to the gap inserting sheet tool 1 and compresses the gap inserting sheet tool 1 on the vane pump assembly, the horizontal ejector rod 10 is close to the stator 4 and enables the stator 4 to be fixed in the horizontal direction, and at the moment, the adjustment of the gap 7 is completed and the gap 7 is kept unchanged.
Specifically, as shown in fig. 2, 5, and 6, the vane pump assembly further includes a motor 11 located below the rotor 5, a shaft head 12 of the motor 11 is provided with a transmission sleeve 13, and the rotor 5 is sleeved on the transmission sleeve 13, so that the shaft head 12 of the motor 11 drives the transmission sleeve 13 to rotate at a high speed, and the transmission sleeve 13 transmits the rotation speed to the rotor 5, and the specific structure thereof is not described again; the base comprises a supporting mother board 14 configured to be supported by the main body and a motor positioning tool 15 arranged on the supporting mother board 14, wherein the motor positioning tool 15 is used for fixing the motor 11; after the motor 11 is installed in the motor positioning tool 15, the stator 4, the rotor 5 and a part of the motor 11 close to the shaft head 12 protrude out of the motor positioning tool 15 to wait for working.
Next, the vane pump assembly further includes a stator seat 16 and a stator cover 17, the stator seat 16 is located between the stator 4 and the motor 11, the stator cover 17 is disposed above the stator 4 and surrounds the rotor 5 together with the stator 4 and the stator seat 16; as shown in fig. 7 and 8, the mechanism further includes a stator positioning tool 18 for preliminarily positioning the stator 4, the stator positioning tool 18 is a plate-shaped body provided with a cavity 19, the outer contour of the stator positioning tool 18 is the same as the outer contour of the motor 11, and the contour of the cavity 19 is the same as the outer contour of the stator 4; arranging a stator positioning tool 18 on a motor 11 protruding out of a motor positioning tool 15, aligning the outer contours of the motor 11 and the outer contours of the stator 4, and finishing primary positioning because the contour of a cavity 19 is the same as the outer contour of the stator 4 and the stator 4 is restricted by the cavity 19; still be equipped with on the motor location frock 15 and press the claw 20, press claw 20 to compress tightly on stator location frock 18 to fixed stator location frock 18 and compress tightly motor 11 in motor location frock 15, can manually pull down stator lid 17 this moment and carry out follow-up work.
Next, as shown in fig. 3, 4 and 9, the gap inserting piece tool 1 is an individual workpiece, the gap inserting piece tool 1 further includes a hollow cylindrical main body 21 and a pressing part 22, the outer contour of the main body 21 is consistent with the outer contour of the stator 4, the inserting piece 8 is arranged at the position corresponding to the gap 7 between the stator and the rotor, the pressing part 22 includes a cake body 23 at the head and a connecting column 24 connected to the bottom surface of the cake body 23, the lower end of the connecting column 24 is fixedly connected with the inserting piece 8, the inserting piece 8 is arranged in the main body 21, and the cake body 23 and part of the connecting column 24 protrude upwards from the top of the main body 21; a limiting rod 25 is arranged on the bottom surface of the main body 21 along the short shaft, the pressing part 22 is pressed towards the inside of the main body 21, and the inserting piece 8 protrudes out of the bottom surface of the main body 21 until the connecting column 24 abuts against the limiting rod 25 to be limited; the inserting piece 8 exposed out of the bottom surface of the main body 21 is inserted into the gap 7, then the vertical pressing mechanism 2 is lowered, and the vertical pressing head 9 is pressed on the main body 21 of the gap inserting piece tool 1.
The vertical pressing mechanism 2 further comprises a spring 26 and a pressing head seat 27, the pressing head seat 27 is provided with an upper plate 28 and a lower plate 29, round holes are formed in the middle parts of the upper plate 28 and the lower plate 29, the upper plate 28 and the lower plate 29 are connected through a vertical plate 30, and the vertical plate 30 is connected to one end of the upper plate 29 and one end of the lower plate 29; the spring 26 is arranged between the upper plate 28 and the lower plate 29, the vertical pressure head 9 is arranged on the lower plate 29 and protrudes below the lower plate 29, a round rod 31 is arranged at the top of the vertical pressure head 9, and the round rod 31 penetrates through the upper plate and the lower plate and is arranged in the spring 26 in a penetrating way; the bottom of the round rod 31 is provided with a boss 32, and the spring 26 is respectively propped against the boss 32 and the upper plate 28; when the vertical ram 9 is just pressed against the body 21, the ram seat 27 continues to descend and the spring 26 compresses to press the vertical ram 9 against the body 21.
Next, as shown in fig. 1 and 10, the horizontal positioning mechanism 3 further includes a slide rail seat 33, the slide rail seat 33 is symmetrically disposed on both sides of the motor positioning tool 15 and is fixedly connected with the supporting motherboard 14, the horizontal ejector rod 10 is fixedly connected to a slide block 34, and the slide block 34 is disposed on the slide rail seat 33 and is in sliding fit with the slide rail seat 33; the rear end of the horizontal ejector rod 10 is provided with a connecting plate 35, the horizontal ejector rod 10 is fixedly connected with the connecting plate 35, and the connecting plate 35 is fixedly connected to the sliding block 34 through screws; the stator positioning tool 18 is provided with a through hole 36 for the horizontal ejector rod 10 to enter; after the gap inserting piece tool 1 is pressed on the vane pump assembly by the vertical pressure head 9, the horizontal ejector rod 10 is driven by the slide block 34 to move towards the stator 4 and enter the through hole 36 until the horizontal ejector rod abuts against the stator 4, so that the stator 4 is kept fixed, and the gap 7 between the stator 4 and the rotor 5 is kept unchanged.
After several seconds, as shown in fig. 11, the press head seat 27 rises, at this time, the spring 26 recovers deformation, the press head seat 27 drives the vertical press head 9 to lift and loosen the gap inserting sheet tool 1, and then the gap inserting sheet tool 1 is taken down and the stator cover 17 is installed; and finally, the sliding block 34 drives the horizontal ejector rod 10 to loosen and keep away from the stator 4, and the pressing claw 20 is opened to take down the stator positioning tool 18 and the vane pump assembly after the gap adjustment is finished.
Claims (10)
1. A double-acting vane type vacuum pump stator and rotor clearance control mechanism is characterized by comprising:
a base configured to secure a vane pump assembly;
the vane pump assembly comprises a stator and a rotor, wherein the stator is provided with an oval inner cavity, and the rotor is arranged in the inner cavity and has a radial gap with the stator;
the clearance insert tool comprises an insert for inserting and matching with the clearance;
the vertical pressing mechanism is configured to press the gap inserting piece tool on the vane pump assembly, the vertical pressing mechanism and the base are arranged in a relative sliding mode, the vertical pressing mechanism comprises a vertical pressing head, and the vertical pressing head moves away from or close to the gap inserting piece tool along the vertical direction;
and the horizontal positioning mechanism is arranged on the base and comprises a horizontal ejector rod used for abutting and clamping the stator, the horizontal ejector rod moves horizontally to approach and clamp the stator, and the stator is loosened when the horizontal ejector rod is far away from the stator.
2. A double-acting vane vacuum pump stator and rotor clearance control mechanism according to claim 1, wherein: the vane pump assembly further comprises a motor positioned below the rotor, the base comprises a supporting mother board configured as a main body support and a motor positioning tool arranged on the supporting mother board, and the motor positioning tool is used for fixing the motor; the stator and the rotor protrude out of the motor positioning tool.
3. A double-acting vane vacuum pump stator and rotor clearance control mechanism according to claim 2, wherein: the motor positioning tool is provided with a pressing claw used for pressing the motor downwards.
4. A double-acting vane vacuum pump stator and rotor clearance control mechanism according to claim 3, wherein: still including the stator location frock that is used for tentatively fixing a position the stator, stator location frock sets up on the motor to it is fixed by pressing the claw.
5. A double-acting vane vacuum pump stator and rotor clearance control mechanism according to claim 4, wherein: the stator positioning tool is a plate-shaped body provided with a cavity, the outer contour of the stator positioning tool is the same as the outer contour of the motor, and the contour of the cavity is the same as the outer contour of the stator.
6. A double-acting vane vacuum pump stator and rotor clearance control mechanism according to claim 2, wherein: the horizontal positioning mechanism further comprises a slide rail seat, the slide rail seat is arranged on two sides of the motor positioning tool in a bilateral symmetry mode and is fixedly connected with the supporting mother board, the horizontal ejector rod is fixedly connected onto a sliding block, and the sliding block is arranged above the slide rail seat and is in sliding fit with the slide rail seat.
7. A double-acting vane vacuum pump stator and rotor clearance control mechanism according to claim 6, wherein: the rear end of the horizontal ejector rod is provided with a connecting plate, the horizontal ejector rod is fixedly connected with the connecting plate, and the connecting plate is fixed on the sliding block through screw connection.
8. A double-acting vane vacuum pump stator and rotor clearance control mechanism according to claim 2, wherein: the vertical pressing mechanism also comprises a spring and a pressing head seat, the pressing head seat is provided with an upper plate and a lower plate, and the upper plate is connected with the lower plate through a vertical plate; the spring is arranged between the upper plate and the lower plate, the vertical pressure head is arranged below the pressure head seat and is positioned right above the motor positioning tool, a round rod is arranged at the top of the vertical pressure head, and the round rod penetrates through the upper plate and the lower plate and is arranged in the spring in a penetrating manner; the bottom of the round rod is provided with a boss, and the spring is respectively propped against the boss and the upper plate.
9. A double-acting vane vacuum pump stator and rotor clearance control mechanism according to claim 1, wherein: the gap inserting piece tool is an independent workpiece and further comprises a cylindrical main body and a pressing part, the pressing part is fixedly connected with the inserting piece, the inserting piece is arranged in the main body, the pressing part protrudes out of the top of the main body, the pressing part is pressed towards the inside of the main body, and the inserting piece protrudes out of the bottom surface of the main body; after the inserting sheet is inserted into the gap, the lower end of the vertical pressing head presses the main body downwards.
10. A double-acting vane vacuum pump stator and rotor clearance control mechanism according to claim 9, wherein: the main part outline unanimous with the outline of stator to setting up in the department that corresponds stator, rotor clearance the inserted sheet, the inserted sheet has two and all is crescent structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021293595.1U CN213176039U (en) | 2020-07-03 | 2020-07-03 | Stator and rotor clearance control mechanism of double-acting vane type vacuum pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021293595.1U CN213176039U (en) | 2020-07-03 | 2020-07-03 | Stator and rotor clearance control mechanism of double-acting vane type vacuum pump |
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| CN213176039U true CN213176039U (en) | 2021-05-11 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489269A (en) * | 2021-06-04 | 2021-10-08 | 湖南腾智机电有限责任公司 | Electric vacuum pump assembling mechanism and assembling method thereof |
| CN117345631A (en) * | 2023-08-24 | 2024-01-05 | 东莞市大成智能装备有限公司 | Vacuum pump rotor movement gap monitoring method, control method and vacuum pump |
| CN117345631B (en) * | 2023-08-24 | 2024-05-31 | 东莞市大成智能装备有限公司 | Vacuum pump rotor movement gap monitoring method, control method and vacuum pump |
-
2020
- 2020-07-03 CN CN202021293595.1U patent/CN213176039U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489269A (en) * | 2021-06-04 | 2021-10-08 | 湖南腾智机电有限责任公司 | Electric vacuum pump assembling mechanism and assembling method thereof |
| CN117345631A (en) * | 2023-08-24 | 2024-01-05 | 东莞市大成智能装备有限公司 | Vacuum pump rotor movement gap monitoring method, control method and vacuum pump |
| CN117345631B (en) * | 2023-08-24 | 2024-05-31 | 东莞市大成智能装备有限公司 | Vacuum pump rotor movement gap monitoring method, control method and vacuum pump |
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