CN211314515U - Electronic diaphragm vacuum pump for single-crank vehicle - Google Patents
Electronic diaphragm vacuum pump for single-crank vehicle Download PDFInfo
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- CN211314515U CN211314515U CN201920519835.6U CN201920519835U CN211314515U CN 211314515 U CN211314515 U CN 211314515U CN 201920519835 U CN201920519835 U CN 201920519835U CN 211314515 U CN211314515 U CN 211314515U
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- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000003584 silencer Effects 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 27
- 230000006872 improvement Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The utility model discloses an electronic diaphragm vacuum pump for single-crank vehicle, including box (1), valve gap (2), valve plate (3), motor (5), eccentric shaft (6), eccentric block (7) and diaphragm connecting rod (8), motor (5) are laid on box (1), motor (5) main shaft direct connection drives eccentric block (7) to rotate, deep groove ball bearing (10) has been arranged on eccentric block (7), diaphragm connecting rod (8) are laid in deep groove ball bearing (10) outer lane; the small end of the diaphragm connecting rod (8) is connected with a diaphragm (4) through threads and forms a working volume with the valve plate (3); the outer side of the valve plate (3) is provided with a special-shaped sealing ring (9) which forms an air inlet and exhaust channel together with the valve cover (2). The utility model discloses structure to the diaphragm pump among the prior art is optimized, reduces the product volume, has advantages such as the vibration is little, the electric current is little, the noise is little, be convenient for install.
Description
Technical Field
The utility model relates to a vacuum pump technical field, concretely relates to automobile-used electron diaphragm vacuum pump of single crank especially relates to an automobile-used electron does not have oily single crank structure diaphragm vacuum pump.
Background
At present, the electric vacuum pump for the vehicle mainly comprises a piston type vacuum pump, a rotary-vane type vacuum pump and a diaphragm vacuum pump, and although the traditional diaphragm vacuum pump has better stability and longer service life than the former, the traditional diaphragm vacuum pump has poor satisfaction in noise, current, vibration and volume.
The patent application of the invention of China with the publication number of CN105889042A provides a diaphragm type vacuum pump for vehicles, wherein an air inlet and exhaust channel is arranged on a pump body, left and right end cover assemblies are arranged at the left and right ends of the pump body, an air suction cavity and an air exhaust cavity are arranged inside the left and right end cover assemblies, the air inlet and exhaust channel is respectively communicated with the air suction cavity and the air exhaust cavity of the left and right end cover assemblies, the air outlet end cover assembly comprises an end cover and a protective cover, the end cover and the protective cover form a primary buffer cavity and a secondary buffer cavity, an end cover one-way valve is arranged in the primary buffer cavity, sound absorption sponge is arranged in. The invention has the beneficial effects that: the air suction performance is better, the noise is smaller, the safety coefficient is higher, the service life is longer, and the accumulated working time can reach more than 1200 hours. Chinese utility model patent with publication number CN207033698U provides an automobile-used electronic diaphragm vacuum pump, it includes motor, crankcase, valve gap, valve plate, connecting rod, silencer and suction connection, and motor direct connection drive eccentric shaft, valve gap, valve plate and connecting rod bilateral symmetry distribute, and the tip of connecting rod is equipped with the diaphragm, establishes special-shaped sealing washer between valve gap and the valve plate. The chinese utility model patent with publication number CN207212645U provides a vacuum pump, a motor shaft is arranged at the center of the motor, two ends of the motor shaft are movably connected with a pump body, the pump body comprises a side cover, an eccentric part, a partition plate, a first side wall and a second side wall, the outer side of the first side wall is fixedly connected with the outer wall of the motor through screws, two groups of the same eccentric parts are arranged at the inner sides of the first side wall and the second side wall, the eccentric parts comprise a diaphragm, a connecting rod and an eccentric wheel, the diaphragm is arranged at one end of the connecting rod, and the other end of the connecting rod is connected; the pump body of vacuum pump includes side cap, eccentric part, baffle, first lateral wall and second lateral wall, and the eccentric part is installed on the motor shaft, drives two vacuum pumps through a motor, and the both sides of motor are gone out the axle promptly, drive both sides eccentric part reciprocating type operation. The improvement of the membrane vacuum pump for the vehicle in the prior art is biased to improve the running stability and aims to prolong the service life of the product, but the improvement is lack of technical improvement in the aspects of noise, current, vibration, volume and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the prior art, the utility model provides an electronic diaphragm vacuum pump for a single-crank vehicle, which adopts a horizontal reciprocating structure, a motor spindle drives an eccentric block, a connecting rod drives a diaphragm to reciprocate, and the working volume formed by a valve plate and the diaphragm can periodically change along with the reciprocating motion; the eccentric shaft of the diaphragm vacuum pump rotates for a circle, the diaphragm connecting rod reciprocates once, and the processes of air suction, compression and exhaust are successively realized in the working cavity to complete a working cycle. This automobile-used electron does not have oily single crank structure diaphragm vacuum pump reduces the product volume through optimizing current diaphragm pump's structure, realizes advantages such as vibration is little, the electric current is little, the noise is little, be convenient for the installation.
In order to achieve the above purpose, the present invention adopts the following technical solution.
The utility model discloses an electronic diaphragm vacuum pump for single crank car, including box, valve gap, valve plate, motor, eccentric shaft, eccentric block and diaphragm connecting rod, the motor is laid on the box, its characterized in that: the motor spindle directly drives the eccentric block to rotate, the deep groove ball bearing is arranged on the eccentric block, and the diaphragm connecting rod is arranged on the outer ring of the deep groove ball bearing; the small end of the diaphragm connecting rod is connected with a diaphragm through threads and forms a working volume with the valve plate; the valve plate is provided with a special-shaped sealing ring on the outer side, and the special-shaped sealing ring and the valve cover form an air inlet and exhaust channel.
Preferably, the box body is further provided with a suction joint, an exhaust muffler and a bracket mounting hole.
In any of the above technical solutions, preferably, the bottom of the box body is provided with a round hole for mounting an exhaust muffler.
In any of the above technical solutions, it is preferable that at least four studs for mounting bolts are arranged around the circular hole.
In any of the above technical solutions, preferably, at least eight mounting holes for mounting the valve cover and the valve plate are respectively provided at two sides of the box body, and an annular groove for positioning the diaphragm is respectively provided at the center of each of the two end faces.
In any of the above technical solutions, preferably, two first annular grooves for placing the O-rings are provided at diagonal positions of end surfaces of both sides of the box body.
In any of the above technical solutions, preferably, the central through hole of the first annular groove is an air outlet hole and a first air inlet hole.
In any of the above technical solutions, preferably, the first air inlets are disposed on the bisectors of the upper and lower surfaces and the two sides of the box body and above the box body.
In any of the above technical solutions, preferably, two first threaded holes for installing the suction connector are distributed on two sides of the first air inlet hole.
In any of the above technical solutions, preferably, an exhaust passage is provided inside the case.
In any of the above technical solutions, preferably, the top of the box body is provided with a third annular groove as a mounting hole of the motor, and a second annular groove for placing a waterproof sealing O-ring of the motor.
In any of the above technical solutions, preferably, at least two second threaded holes are distributed at diagonal positions on two sides of the top of the box body.
In any of the above technical solutions, preferably, the back of the box body is provided with at least four threaded mounting posts for mounting the bracket.
In any one of the above technical solutions, preferably, at least eight first bolt through holes, at least four positioning pin through holes, and a first boss and a second boss for placing the special-shaped sealing ring are distributed around the valve cover.
In any of the above embodiments, preferably, the second protrusion has a slope.
In any of the above technical solutions, preferably, annular flow passages are arranged around the first boss and the second boss, and the annular flow passages are located in the irregular ring groove of the valve cover.
In any of the above technical solutions, preferably, at least three second air inlets are distributed on the groove of the first boss and are communicated with the valve cover air inlet hole of the valve cover.
In any one of the above technical solutions, preferably, at least four positioning pins and at least eight second bolt through holes are distributed around the valve plate.
In any of the above technical solutions, preferably, two opposite corners of the valve plate are respectively distributed with a second air inlet hole matched with the valve cover air inlet hole.
In any one of the above technical solutions, preferably, at least three exhaust holes and bosses are distributed on the opposite side of the center of the valve plate to be matched with the valve cover and the sealing ring valve plate.
In any of the above technical solutions, preferably, a third boss is distributed on the other side opposite to the center of the valve plate, at least three third air inlet holes are distributed on one side of the third boss, and an O-ring placing position is distributed on the outer ring of the third boss.
In any of the above technical solutions, preferably, the back surface of the valve plate is a working cavity formed by a spherical surface and a diaphragm injection molding body.
In any one of the above technical solutions, preferably, the special-shaped sealing ring is provided with a first sealing structure and a second sealing structure for matching with the concave groove on the valve cover.
In any of the above technical solutions, preferably, the special-shaped sealing ring is an integrated structure using an O-ring and a diaphragm, and includes an air inlet diaphragm, an outer sealing ring, and an air outlet diaphragm.
In any of the above technical solutions, preferably, one end of the annular flow passage is provided with a notch.
Compared with the prior art, the utility model discloses an above-mentioned technical scheme of single crank vehicle electron diaphragm vacuum pump has following beneficial effect:
this automobile-used electron does not have oily single crank structure diaphragm vacuum pump optimizes the structure of current diaphragm pump, has reduced the product volume to have advantages such as vibration is little, the electric current is little, the noise is little, be convenient for the installation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a preferred embodiment of an electronic diaphragm vacuum pump for a single-crank vehicle according to the present invention;
FIG. 2 is a side view of the embodiment of FIG. 1 of an electronic diaphragm vacuum pump for a single crank vehicle in accordance with the present invention;
FIG. 3 is a top view of the embodiment of FIG. 1 of an electronic diaphragm vacuum pump for a single crank vehicle in accordance with the present invention;
FIG. 4 is a perspective view of the embodiment of FIG. 1 of an electronic diaphragm vacuum pump for a single crank vehicle in accordance with the present invention;
fig. 5 to 7 are schematic structural diagrams of the case of the embodiment shown in fig. 1 of the electronic diaphragm vacuum pump for a single-crank vehicle according to the present invention;
fig. 8 to 10 are schematic structural views of a valve cover of the embodiment shown in fig. 1 of the electronic diaphragm vacuum pump for a single-crank vehicle according to the present invention;
fig. 11 to 12 are schematic structural views of a valve plate of the embodiment shown in fig. 1 of the electronic diaphragm vacuum pump for a single-crank vehicle according to the present invention;
fig. 13 is a schematic structural view of the special-shaped sealing ring of the embodiment shown in fig. 1 of the electronic diaphragm vacuum pump for single-crank vehicles according to the present invention.
Reference numerals:
1. a box body, 2, a valve cover, 3, a valve plate, 4, a diaphragm, 5, a motor, 6, an eccentric shaft, 7, an eccentric block, 8, a diaphragm connecting rod, 9, a special-shaped sealing ring, 10, a deep groove ball bearing, 11, an exhaust silencer, 12, an air suction joint, 13, a bracket mounting hole, 14, a first threaded hole, 15, a first air inlet, 16, a stud, 17, an exhaust channel, 18, an air outlet hole, 19, an annular groove, 20, a mounting hole, 21, a first annular groove, 22, a first air inlet, 23, a second threaded hole, 24, a second annular groove, 25, a third annular groove, 26, a threaded mounting column, 27, a round hole, 28, a first bolt through hole, 29, a positioning pin through hole, 30, a groove, 31, a notch, 32, a first boss, 33, a second air inlet, 34, a special-shaped ring groove, 35, a valve cover air inlet, 36, a second boss, 37 and an inclined plane, 38. the annular flow channel comprises a 39 annular flow channel body, a 40 annular flow channel body, a second bolt through hole, a 41 annular exhaust hole, a 42 annular boss, a 43 annular air inlet hole, a 44 annular air inlet hole, a 45 annular air inlet hole, a 46 annular air inlet hole, an O-shaped ring placing position, a 47 annular surface, a 48 annular air inlet membrane, a 49 annular outer sealing ring, a 50 annular first sealing structure, a 51 annular exhaust membrane, a 52 annular second sealing structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to overcome the problem that the diaphragm vacuum pump exists among the prior art, the embodiment of the utility model provides an automobile-used electron does not have oily single crank structure diaphragm vacuum pump, this automobile-used electron diaphragm vacuum pump of single crank optimizes the structure of current diaphragm pump, has reduced the product volume, realizes that the vibration is little, the electric current is little, the noise is little, be convenient for beneficial effect such as installation.
The electronic diaphragm vacuum pump for the single-crank vehicle described in this embodiment includes a box 1, a valve cover 2, a valve plate 3, a motor 5, an eccentric shaft 6, an eccentric block 7, and a diaphragm connecting rod 8, as shown in fig. 1 to 4: the motor 5 is arranged on the box body 1; a main shaft of the motor 5 is directly connected with an eccentric block 7 to drive the eccentric block 7 to rotate, a deep groove ball bearing 10 is arranged on the eccentric block 7, and a diaphragm connecting rod 8 is arranged on the outer ring of the deep groove ball bearing 10; the small end of the diaphragm connecting rod 8 is connected with the diaphragm 4 through threads and forms a working volume with the valve plate 3; the outer side of the valve plate 3 is provided with a special-shaped sealing ring 9 which forms an air inlet and exhaust channel with the valve cover 2.
As shown in fig. 5 to 7, in the electronic diaphragm vacuum pump for a single-crank vehicle according to the present embodiment, the housing 1 is further provided with an intake joint 12, an exhaust muffler 11, and a bracket mounting hole 13.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, the bottom of the casing 1 is provided with a circular hole 27 for installing the exhaust muffler 11.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, at least four studs 16 for mounting bolts are disposed around the circular hole 27 at the bottom of the box 1.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, at least eight mounting holes 20 for mounting the valve cover 2 and the valve plate 3 are respectively formed on two sides of the box body 1, and an annular groove 19 for mounting a diaphragm for positioning is respectively formed in the centers of two end faces.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, two first annular grooves 21 for placing O-rings are disposed at the diagonal positions of the end surfaces of the two sides of the box body 1.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, the central through holes of the first annular groove 21 are the air outlet 18 and the first air inlet 22, respectively.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, the first air inlets 15 are disposed on the bisectors of the upper and lower surfaces and the two sides of the box 1 and are disposed above the box 1.
In the electronic diaphragm vacuum pump for a single-crank vehicle of the present embodiment, two first threaded holes 14 for installing the suction connector 12 are distributed on both sides of the first air inlet 22.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, an exhaust channel 17 is provided inside the casing 1.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, the top of the box 1 is provided with a third annular groove 25 as a mounting hole for the motor 5, and a second annular groove 24 is provided for placing a waterproof sealing O-ring of the motor 5.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, at least two second threaded holes 23 are distributed at diagonal positions on two sides of the top of the box body 1.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, at least four threaded mounting posts 26 for mounting a bracket are disposed on the back of the housing 1.
As shown in fig. 8 to 10, in the electronic diaphragm vacuum pump for a single-crank vehicle according to the present embodiment, at least eight first bolt through holes 28, at least four positioning pin through holes 29, and a first boss 32 and a second boss 36 for placing the profiled sealing ring 9 are distributed around the valve cover 2.
In the electronic diaphragm vacuum pump for a single crank vehicle according to the present embodiment, the second protrusion 36 has a slope 37.
In the electronic diaphragm vacuum pump for a single crank vehicle described in this embodiment, the annular flow passage 38 is disposed around the first boss 32 and the second boss 36, and the annular flow passage 38 is located in the irregular ring groove 34 of the valve cover 2.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, at least three second air inlets 33 are distributed on the groove 30 of the first protrusion 32 and are communicated with the valve cover air inlet hole 35 of the valve cover 2.
As shown in fig. 11 to 12, in the electronic diaphragm vacuum pump for a single crank vehicle according to the present embodiment, at least four positioning pins 39 and at least eight second bolt through holes 40 are distributed around the valve plate 3.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, two opposite corners of the valve plate 3 are respectively provided with a second air inlet hole 43 matched with the valve cover air inlet hole 35.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, at least three exhaust holes 41 and bosses 42 are distributed on the opposite side of the center of the valve plate 3, and are matched with the valve cover 2 and the sealing ring valve plate.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, a third boss 45 is distributed on the other side opposite to the center of the valve plate 3, at least three third air inlet holes 44 are distributed on one side of the third boss 45, and an O-ring placing portion 46 is distributed on the outer ring of the third boss 45.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, the back surface of the valve plate 3 is a working cavity formed by the spherical surface 47 and the diaphragm injection molded body.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, the special-shaped sealing ring 5 is disposed between the valve cover 3 and the valve plate 4, and as shown in fig. 13, the special-shaped sealing ring 9 is provided with a first sealing structure 50 and a second sealing structure 52 for matching with the concave groove on the valve cover 2.
In the electronic diaphragm vacuum pump for a single-crank vehicle described in this embodiment, the special-shaped seal ring 9 is an integrated structure using an O-ring and a diaphragm, and includes an air intake diaphragm 48, an outer seal ring 49, and an exhaust diaphragm 51.
In the electronic diaphragm vacuum pump for a single crank vehicle according to the present embodiment, a notch 31 is formed at one end of the annular flow passage 38 to ensure the gas flow.
The working principle, working process and structural features of the electronic diaphragm vacuum pump for a single-crank vehicle according to the present embodiment will be described with reference to fig. 1 to 13.
As shown in fig. 1, in the technical solution of the electronic diaphragm vacuum pump for a single-crank vehicle of this embodiment, a horizontal reciprocating structure is adopted, a spindle of a motor 5 drives an eccentric block 7, and a diaphragm 4 is driven by a diaphragm connecting rod 8 to reciprocate, and a working volume formed by a valve plate 3 and the diaphragm 4 can change periodically along with the reciprocating motion. When the diaphragm connecting rod 8 moves from the upper dead point to the lower dead point, the working volume is gradually increased, at the moment, gas pushes the air inlet valve plate of the special-shaped sealing ring 9 away along the air suction joint 12 and enters the working cavity, and the air inlet valve plate closes the air inlet until the working volume is maximized; when a connecting rod diaphragm of the diaphragm vacuum pump moves reversely, the working volume is reduced, the gas pressure is increased, the exhaust valve plate on the special-shaped sealing ring 9 is pushed away by the gas in the working cavity, the gas enters the box body 1 through the pipeline and is exhausted until the piston moves to the limit position, and the exhaust port is closed. The above process repeats itself. In a word, the eccentric shaft 6 of the diaphragm vacuum pump rotates for a circle, the diaphragm connecting rod 8 reciprocates once, and the processes of air suction, compression and exhaust are sequentially realized in the working cavity, namely a working cycle is completed.
As shown in figure 1, the horizontal opposed structure is adopted in the embodiment, a motor 5 is placed on a box body 1, a main shaft of the motor is directly connected with an eccentric block 7 to drive the eccentric block 7 to rotate, a deep groove ball bearing 10 is arranged on the eccentric block 7, a diaphragm connecting rod 8 is placed on the outer ring of the bearing, the small end of the connecting rod is connected with a diaphragm 4 through threads and forms a working volume with a valve plate 3, a special-shaped sealing ring 9 integrated with the functions of an air inlet valve plate and an air outlet valve plate is placed on the outer side of the valve plate. As shown in fig. 1 to 2, an intake connector (i.e., an intake connector 12) and an exhaust muffler 11 are also disposed on the case 1. When the air suction muffler works, air is sucked by the air suction joint, flows to valve plates of valve covers on two sides of the box body respectively, is discharged from the interior of the box body through the air inlet and outlet valves, and is finally discharged out of the atmosphere through the air exhaust muffler 11.
The structural feature of box in this embodiment: as shown in fig. 5 to 7, the circular hole 27 at the bottom of the box body is used for installing the exhaust muffler 11 assembly, and 4 studs 16 for installing bolts are arranged around the circular hole; two sides of the box body are respectively provided with 8 mounting holes 20 for mounting a valve plate of a valve cover, the centers of two end faces are respectively provided with an annular groove 19 for mounting and positioning a diaphragm, the opposite corners of the two end faces are respectively provided with 2 first annular grooves 21 for placing O-rings, and the central through holes of the first annular grooves are respectively an air outlet hole 18 and a first air inlet hole 22; the upper surface and the lower surface of the box body and the bisectors at two sides, a first air inlet 15 is arranged above the box body, and two first threaded holes 14 for installing an air suction connector 12 are distributed at two sides of the first air inlet; the position marked 17 in the box body is an exhaust channel; a third annular groove 25 shown on the top of the box body is a mounting hole of the motor 5, an O-shaped ring used for placing waterproof sealing of the motor is arranged at the position shown by a second annular groove 24, and two second threaded holes 23 are distributed at the diagonal positions of two sides; the back of the box has four threaded mounting posts 26 for mounting brackets.
The structural characteristics of valve gap in this embodiment: as shown in fig. 8 to 10, eight first bolt through holes 28 and four positioning pin through holes 29 are distributed around the valve cover; the first boss 32 and the second boss 36 are used for placing the special-shaped sealing ring 9, the inclined plane 37 shown by the second boss 36 plays a role in limiting the distance of a valve plate of the special-shaped sealing ring, and an annular flow channel 38 is arranged around the boss; 3 second air inlets 33 distributed on the groove 30 are communicated with the valve cover air inlet holes 35, and an air inlet channel is shown in figure 10.
The structural feature of valve plate in this embodiment: as shown in fig. 11 to 12, four positioning pins 39 and eight second bolt through holes 40 are distributed around the valve plate; two second air inlet holes 43 are distributed on two opposite corners respectively and are matched with the valve cover air inlet holes 35; three exhaust holes 41 are distributed on the opposite side of the center of the valve plate, and a boss 42 is matched with the valve cover and the sealing ring valve plate; the other side is distributed with a third boss 45, one side of the third boss is distributed with three third air inlet holes 44, and the outer ring is distributed with an O-shaped ring placing part 46; fig. 11 and 12 show the front and back of the valve plate, respectively, the back of the valve plate being spherical 47 and forming a working chamber with the membrane injection molded body.
The structural characteristics of dysmorphism sealing washer in this embodiment: as shown in fig. 13, the component is of an O-ring and diaphragm integrated structure, which includes an air inlet diaphragm 48, an outer sealing ring 49 and an air outlet diaphragm 51; the first and second closure structures 50, 52 are intended to mate with the concave grooves on the valve cover.
The above description is only intended to describe the preferred embodiments of the present invention, and not to limit the scope of the present invention; the above description is only a specific embodiment of the present invention, and is not intended to limit the scope of the present invention; without departing from the spirit of the present invention, any modification, equivalent replacement, or improvement made by the technical solution of the present invention by those of ordinary skill in the art should fall within the protection scope defined by the claims of the present invention.
Claims (25)
1. The utility model provides an automobile-used electron diaphragm vacuum pump of single crank, includes box (1), valve gap (2), valve plate (3), motor (5), eccentric shaft (6), eccentric block (7) and diaphragm connecting rod (8), motor (5) are laid on box (1), its characterized in that: the main shaft of the motor (5) is directly connected with an eccentric block (7) to drive the eccentric block (7) to rotate, a deep groove ball bearing (10) is arranged on the eccentric block (7), and the diaphragm connecting rod (8) is arranged on the outer ring of the deep groove ball bearing (10); the small end of the diaphragm connecting rod (8) is connected with a diaphragm (4) through threads and forms a working volume with the valve plate (3); the outer side of the valve plate (3) is provided with a special-shaped sealing ring (9) which forms an air inlet and exhaust channel together with the valve cover (2).
2. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: the box body (1) is also provided with an air suction joint (12), an exhaust silencer (11) and a bracket mounting hole (13).
3. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: and a round hole (27) is formed in the bottom of the box body (1) and used for installing the exhaust silencer (11).
4. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 3, wherein: at least four studs (16) for mounting bolts are arranged around the round hole (27).
5. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: the two sides of the box body (1) are respectively provided with at least eight mounting holes (20) for mounting the valve covers (2) and the valve plates (3), and the centers of the two end faces are respectively provided with an annular groove (19) for mounting and positioning the diaphragm.
6. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 5, wherein: two first annular grooves (21) used for placing O-shaped rings are formed in the diagonal positions of the end faces of the two sides of the box body (1).
7. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 6, wherein: the central through hole of the first annular groove (21) is respectively provided with an air outlet hole (18) and a first air inlet hole (22).
8. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: first air inlets (15) are arranged on the bisectors of the upper surface, the lower surface and the two sides of the box body (1) and are arranged above the box body (1).
9. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 7, wherein: two first threaded holes (14) for mounting the air suction joint (12) are distributed on two sides of the first air inlet hole (22).
10. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: an exhaust channel (17) is arranged in the box body (1).
11. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: the top of the box body (1) is provided with a third annular groove (25) as a mounting hole of the motor (5) and a second annular groove (24) for placing a waterproof sealing O-shaped ring of the motor (5).
12. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 11, wherein: at least two second threaded holes (23) are distributed at the diagonal positions of two sides of the top of the box body (1).
13. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: the back of the box body (1) is provided with at least four threaded mounting columns (26) for mounting a support.
14. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: at least eight first bolt through holes (28), at least four positioning pin through holes (29), a first boss (32) and a second boss (36) for placing the special-shaped sealing ring (9) are distributed around the valve cover (2).
15. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 14, wherein: the second boss (36) has a slope (37).
16. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 14, wherein: annular flow channels (38) are arranged on the peripheries of the first boss (32) and the second boss (36), and the annular flow channels (38) are located in the special-shaped ring groove (34) of the valve cover (2).
17. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 14, wherein: at least three second air inlets (33) are distributed on the groove (30) of the first boss (32) and are communicated with the valve cover air inlet holes (35) of the valve cover (2).
18. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: at least four positioning pins (39) and at least eight second bolt through holes (40) are distributed around the valve plate (3).
19. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 18, wherein: two opposite angles of the valve plate (3) are respectively provided with a second air inlet hole (43) matched with the valve cover air inlet hole (35).
20. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 18, wherein: at least three exhaust holes (41) and bosses (42) are distributed on one side opposite to the center of the valve plate (3) and are matched with the valve cover (2) and the sealing ring valve plate.
21. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 18, wherein: the other side of the center of the valve plate (3) opposite to the center is distributed with a third boss (45), one side of the third boss (45) is distributed with at least three third air inlet holes (44), and the outer ring of the third boss (45) is distributed with an O-shaped ring placing part (46).
22. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 18, wherein: the back of the valve plate (3) is a working cavity formed by a spherical surface (47) and a diaphragm injection molding body.
23. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: the special-shaped sealing ring (9) is provided with a first sealing structure (50) and a second sealing structure (52) which are matched with the concave groove on the valve cover (2).
24. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 1, wherein: the special-shaped sealing ring (9) is of an integrated structure of an O-shaped ring and a diaphragm, and comprises an air inlet diaphragm (48), an outer sealing ring (49) and an air outlet diaphragm (51).
25. The electronic diaphragm vacuum pump for a single-crank vehicle of claim 16, wherein: one end of the annular flow passage (38) is provided with a notch (31).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519835.6U CN211314515U (en) | 2019-04-17 | 2019-04-17 | Electronic diaphragm vacuum pump for single-crank vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920519835.6U CN211314515U (en) | 2019-04-17 | 2019-04-17 | Electronic diaphragm vacuum pump for single-crank vehicle |
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| Publication Number | Publication Date |
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| CN211314515U true CN211314515U (en) | 2020-08-21 |
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| CN201920519835.6U Active CN211314515U (en) | 2019-04-17 | 2019-04-17 | Electronic diaphragm vacuum pump for single-crank vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539165A (en) * | 2020-12-09 | 2021-03-23 | 百事德机械（江苏）有限公司 | Connecting rod type fan |
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2019
- 2019-04-17 CN CN201920519835.6U patent/CN211314515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539165A (en) * | 2020-12-09 | 2021-03-23 | 百事德机械（江苏）有限公司 | Connecting rod type fan |
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Effective date of registration: 20201125 Address after: No. 456, Binhai 4th Road, Wenzhou Economic Development Zone, Wenzhou City, Zhejiang Province Patentee after: Wenzhou Ruili Automobile Technology Co.,Ltd. Address before: 325299 No. 2666, Avenue, development zone, Ruian Economic Development Zone, Wenzhou, Zhejiang Patentee before: Ruili Group Ruian Auto Parts Co.,Ltd. |
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Effective date of registration: 20240429 Address after: No. 456, Binhai 4th Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: WENZHOU RUILI KORMEE AUTOMOTIVE ELECTRONICS CO.,LTD. Country or region after: China Address before: No.2666, Development Zone Avenue, Ruian Economic Development Zone, Wenzhou, Zhejiang 325200 Patentee before: Wenzhou Ruili Automobile Technology Co.,Ltd. Country or region before: China |
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