CN207261208U - A kind of oil pump of swash plate gear driving - Google Patents
A kind of oil pump of swash plate gear driving Download PDFInfo
- Publication number
- CN207261208U CN207261208U CN201720780436.6U CN201720780436U CN207261208U CN 207261208 U CN207261208 U CN 207261208U CN 201720780436 U CN201720780436 U CN 201720780436U CN 207261208 U CN207261208 U CN 207261208U
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- swash plate
- duct
- hole
- plate gear
- jack
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Abstract
The utility model discloses a kind of oil pump of swash plate gear driving, including the plunger rod that housing, worm gearing are lifted with the swash plate gear engaged, the jack-post bar that can be rotated with swash plate gear synchronous and the driving of swash plate gear.Housing is equipped with oil inlet and oil outlet.Jack-post bar bottom is equipped with axial hole, and side is equipped with sidewise hole and connects scarce.The lower section of jack-post bar is equipped with oil storage cabin.Oil storage cabin is connected with oil inlet.Sidewise hole connects oil storage cabin by axial hole.The lower section of plunger rod is equipped with pressure oil storehouse.The first duct and the second duct are equipped between plunger hole and jack-post hole.Second hole link pressure oil storehouse.Oil outlet connects plunger hole, and is located at the first duct in identical height.Plunger rod is equipped with the switch groove of annular together.Realize that pump oil acts by switching the pressure oil that groove lifts the switching between oil inlet and the first duct and plunger rod by connection switching of the jack-post bar rotation to the first duct, the second duct and oil storage cabin, the lifting of plunger rod.
Description
Technical field
It the utility model is related to oil pump, more particularly to oblique plate plunger pump.
Background technology
Applied to the high-pressure oil pump of mechanical equipment lubrication oil circulation, the high-pressure oil pump of air compressor is especially applied to,
Difference lies in the required oil mass that this high-pressure oil pump pumps out is seldom, but the oil pressure requirement pumped out is very high with other common oil pumps.
Since oil pressure requirement is very high, the hydraulic pump of this high-pressure oil pump generally use swash plate plunger type.But needed for pumping out
Oil mass is seldom, it is desirable to the size of swash plate pluger type hydraulic pump also very little.And the hydraulic pump of usual swash plate plunger type needs and unidirectional
Valve is coordinated, and size can not be made very small.
The content of the invention
Problem to be solved in the utility model：Design a kind of compact-sized, small-sized air compressor that is used for
High-pressure oil pump.
To solve the above problems, the scheme that the utility model uses is as follows：
A kind of oil pump of swash plate gear driving, including housing, swash plate gear, the worm-drive machine engaged with swash plate gear
The plunger rod of structure, the jack-post bar that can be rotated with swash plate gear synchronous and the driving lifting of swash plate gear；Housing is equipped with oil inlet
Mouth and oil outlet；Jack-post bar is cylinder, and bottom is equipped with axial hole, and side is equipped with sidewise hole and connects scarce；Sidewise hole with connect
Lack and be disposed opposite to each other；Jack-post bar is arranged in vertical jack-post hole, and the lower section in jack-post hole positioned at jack-post bar is equipped with oil storage cabin；Oil storage
Storehouse is connected with oil inlet；Sidewise hole is connected with axial hole, and connects oil storage cabin by axial hole；Plunger rod is arranged on vertical column
In consent；The lower section that plunger hole is located at plunger rod is equipped with pressure oil storehouse；Be equipped between plunger hole and jack-post hole upper and lower two it is horizontal
Duct：First duct and the second duct；First duct is located at the top in the second duct；Second hole link pressure oil storehouse；Second hole
Road is located in identical height with sidewise hole so that when jack-post bar is rotated to sidewise hole towards the second duct with swash plate gear,
Second duct is connected with sidewise hole；When jack-post bar is lacked towards the second duct as swash plate gear is rotated to connection, the second duct
The first duct of connection is lacked by connecting；Oil outlet connects plunger hole, and oil outlet and plunger hole connected component and the first duct
In identical height；Plunger rod is equipped with the switch groove of annular together；When plunger rod is lifted to switch groove and the first duct phase
During with height, oil outlet connects the first duct by switching groove.
Further, compression spring, Contraband shape frame and interlocking bar are further included；Swash plate gear is fixed on the top of jack-post bar, and leads to
Jack-post bar is crossed on housing；Contraband shape frame is located at the top of plunger rod, and is mutually fixed with plunger rod；Pass through above Contraband shape frame
Compression spring is withstood on the inside of housing top wall；Contraband shape is provided with Contraband shape mouth；Interlocking bar is installed on Contraband shape frame, and is located at Contraband shape mouth
It is interior, and positioned at the top of Contraband shape mouth；The card of swash plate gear is horizontally through Contraband shape mouth, and is withstood on above the card of swash plate gear
In interlocking bar.
Further, lock-bit bolt is further included；Jack-post bar is equipped with the lock-bit groove of annular；The end of lock-bit bolt withstands on lock-bit groove
It is interior.
Further, the worm gearing includes the first worm screw and the second worm screw；First worm screw is equipped with power sub
With the first threaded portion；Second worm screw is equipped with gear part and the second threaded portion；First worm screw and the second worm screw are perpendicular；First spiral shell
Screw thread in line portion is meshed with gear part；Screw thread on second threaded portion is meshed with swash plate gear.
Further, swash plate gear is made of central part and toothed disc；Toothed disc is fixed on central part；The side of toothed disc
Edge is equipped with engaging tooth；Toothed disc is divided into main frame face, high card, main frame towards the liter card of high card transition and high card to low
The drop card of card transition；The card of main frame face and high card is level；The card of high card is highly higher than the card in main frame face
Highly；Rise card and drop the swash plate face that card is transition between main frame face and high card.
Further, the sector region of main frame face and high card is all higher than 90 degree.
Further, connection is vacant in main frame face and the lower section of drop card joining place；Sidewise hole is located at high card and rises card
The lower section of joining place.
The technique effect of the utility model is as follows：The switch of oil inlet is realized in lifting of the utility model by switching groove,
Reach the effect of in line check valve, then by connecting the rotation lacked with swash plate gear, realize the oil suction in pressure oil storehouse, then pass through side
The switch of oil outlet is realized with the rotation of swash plate gear, to hole so as to reach the effect of oil outlet one-way valve.That is, this reality
With new by exquisite structure design, realize that in line check valve, oil outlet one-way valve are integrated into the pump housing of swash plate plunger type, so that
So that whole high-pressure oil pump is compact-sized, it is small-sized.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model embodiment.
Fig. 2 and Fig. 3 are the three-dimensional knots that the utility model embodiment hides two different visual angles that the component after housing connects
Structure schematic diagram.
Fig. 4 is the internal cross section schematic diagram of the utility model embodiment.
Fig. 5 is the swash plate gear of the utility model embodiment and the diagrammatic cross-section of jack-post bar.
Fig. 6 is the overlooking the structure diagram of the swash plate gear of the utility model embodiment.
Fig. 7 is the present invention looks up structural representation of the swash plate working gear principle of the utility model embodiment.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of oil pump of swash plate gear driving, including housing, swash plate gear 231, snail
Bar transmission mechanism, jack-post bar 232, compression spring 241, Contraband shape frame 242, plunger rod 243 and interlocking bar 244.Swash plate gear 231,
Worm gearing, jack-post bar 232, compression spring 241, Contraband shape frame 242, plunger rod 243 and interlocking bar 244 are installed in housing
It is interior.Worm gearing is by the first worm screw 21 and the second worm screw 22.First worm screw 21 is equipped with 211 and first screw thread of power sub
Portion 212.Second worm screw 22 is equipped with 221 and second threaded portion 222 of gear part.First worm screw 21 and the second worm screw 22 are perpendicular.
Screw thread on first threaded portion 212 is meshed with gear part 221.Screw thread on second threaded portion 222 is nibbled with 231 phase of swash plate gear
Close.Power sub 211 is used to connect dynamical system.Dynamical system connects the first worm screw 21 by power sub 211 and drives first
Worm screw 21 rotates.Rotating first worm screw 21 is driven by the engagement of the screw thread on the first threaded portion 212 and gear part 221
Second worm screw 22 rotates.Rotating second worm screw 22 engages work by the screw thread on the second threaded portion 222 and swash plate gear 231
Rotated with swash plate gear 231 is driven.
Housing includes swash plate gear transmission portion 11, plunger shaft portion 12, sealing cover 13, the first worm screw portion 14, the second worm screw portion
15 and mounting base 16.Swash plate gear transmission portion 11 is internally provided with power cavity, and power cavity is used to install swash plate gear 231 and rises
Transmission mechanism drops.Plunger shaft portion 12 is the part for installation axle mast 232 and plunger rod 243, is internally provided with for installation axle
The jack-post hole of mast 232 and the plunger hole for installing plunger rod 243.Sealing cover 13 is used to seal power cavity.First
Worm screw portion 14 is the part for installing the first worm screw 21；Second worm screw portion 15 is the part for installing the second worm screw 22.The
The end connection mounting base 16 in one worm screw portion 14.Mounting base 16 is used to whole oil pump being fixed on actuating unit so that first
Worm screw 21 can connect dynamical system.Compress spring 241, Contraband shape frame 242 and interlocking bar 244 and form elevating drive mechanism.Lifting
Transmission mechanism is lifted for 231 drive plunger rod 243 of swash plate gear.Housing is equipped with oil inlet 121 and oil outlet 122.Oil inlet
Mouth 121 and oil outlet 122 are arranged on plunger shaft portion 12.Swash plate gear transmission portion 11, plunger shaft portion 12, the first worm screw portion of housing
14th, the second worm screw portion 15 and the part of mounting base 16, that is, except the part of sealing cover 13 is integrated mechanism, casting
Formed again through retrofits such as punching polishings afterwards.
Swash plate gear 231 is located at power cavity, and is fixed on the top of jack-post bar 232.As shown in figure 5, jack-post bar 232 is circle
Cylinder, bottom are equipped with axial hole 2321, and side is equipped with the lock-bit groove 2324 of annular, sidewise hole 2322 and connects scarce 2323.Laterally
Hole 2322 is disposed opposite to each other with connecting scarce 2323.Lock-bit groove 2324 is located at sidewise hole 2322 and the top for connecting scarce 2323.Axial hole
2321 are connected with sidewise hole 2322.Jack-post bar 232 is arranged in vertical jack-post hole, can synchronously be enclosed with swash plate gear 231
Rotated around the axle center of jack-post bar 232.Swash plate gear 231 and jack-post bar 232 are highly fixed when rotating.Specifically, set on housing
It is equipped with lock-bit bolt 195.The end of lock-bit bolt 195 is withstood in lock-bit groove 2324 so that swash plate gear 231 and the height of jack-post bar 232
It is fixed.Lock-bit bolt 195 is penetrated in jack-post hole by housing lateral openings.Jack-post bar 232 is except lock-bit groove 2324, sidewise hole 2322
Mutually sealed with jack-post hole outside 2323 grade parts with connecting to lack.Lower section in jack-post hole positioned at jack-post bar 232 is equipped with oil storage cabin
191.Oil storage cabin 191 is connected with oil inlet 121.Jack-post bottom hole portion, it is, the bottom of oil storage cabin 191 is by the first sealing block
1911 sealings.It is, for installation and it is easy to process, jack-post hole be 12 up/down perforation of plunger shaft portion punching after again by first sealing
Block 1911 is formed in sealed bottom.When jack-post bar 232 is rotated with swash plate gear 231, the sidewise hole 2322 on jack-post bar 232
2323 are lacked towards different directions with connecting, so as to fulfill the connected state different from plunger hole.It should be noted that due to axial direction
Hole 2321 is connected with sidewise hole 2322, and oil storage cabin 191 is connected with oil inlet 121, and axial hole 2321 is open towards oil storage cabin
191, therefore, sidewise hole 2322 and oil inlet 121 are always to maintain connected state.Oil storage cabin 191 is used for oleo cushion and connection
Transition.
Plunger rod 243 is cylinder, in vertical plunger hole.The lower section that plunger hole is located at plunger rod 243 is equipped with pressure
Bunker 192.Piston bore bottom, it is, the bottom in pressure oil storehouse 192 is sealed by the second sealing block 1921.It is, for installation and
Easy to process, plunger hole is formed again by the second sealing block 1921 in sealed bottom after 12 up/down perforation of plunger shaft portion punches.
Upper and lower two horizontal ducts are equipped between plunger hole and jack-post hole：First duct 193 and the second duct 194.The
One duct 193 is located at the top in the second duct 194.Second duct 194 connection pressure oil storehouse 192.Second duct 194 and sidewise hole
2322 in the identical height so that when jack-post bar 232 as swash plate gear 231 is rotated to sidewise hole 2322 towards the second duct
When 194, the second duct 194 is connected with sidewise hole 2322.With the rotation of swash plate gear 231, the first duct 193, the second duct
There are three kinds of connected states, that is, jack-post bar 232 between 194 and oil storage cabin 191 three kinds of connected states：
First connected state：When jack-post bar 232 as swash plate gear 231 is rotated to sidewise hole 2322 towards the second duct
When 194, the second duct 194 is connected with sidewise hole 2322, at this time, since sidewise hole 2322 and oil storage cabin 191, oil inlet 121 connect
Logical, therefore, the second duct 194 is connected with oil storage cabin 191, oil inlet 121.
Second connected state：When jack-post bar 232 as the rotation of swash plate gear 231 to connection lacks 2323 towards the second ducts
194 and during the first duct 193, the second duct 194 passes through connection and lacks 2323 the first ducts 193 of connection.At this time, oil storage cabin 191, into
Do not connected between hydraulic fluid port 121 and the second duct 194.
Third connecting state is the intermediateness of above two connected state：When jack-post bar 232 as swash plate gear 231 revolves
When going to intermediateness, sidewise hole 2322 lacks 2323 not towards the second duct 194 with connecting.At this time, oil storage cabin 191, oil inlet
Mouthfuls 121 do not connect with the second duct 194, and the first duct 193 is not connected with the second duct 194, oil storage cabin 191, oil inlet 121 and
First duct 193 does not connect.
First duct 193 and the second duct 194 are corresponding with two apertures 123,124 of housing plunger shaft portion 12.Also
It is that the first duct 193 and the second duct 194 are that inwardly horizontal punching forms by aperture 123,124 respectively.Aperture 123,124
Seal is inside equipped with to be sealed.
Plunger rod 243 is equipped with the switch groove 2431 of annular together.Plunger rod 243 is equal in addition to 2431 part of switch groove
Mutually sealed with plunger hole.Oil outlet 122 connects plunger hole, and oil outlet 122 and plunger hole connected component and the first duct 193
In identical height.When the lifting of plunger rod 243 to switch groove 2431 is with the first 193 identical height of duct, oil outlet 122
The first duct 193 is connected by switching groove 2431.Specifically, plunger rod 243 has three kinds of working statuses：
First working status：When plunger rod 243 drops to minimum point, switch groove 2431 and the first duct 193 be highly identical,
At this time, oil outlet 122 connects the first duct 193 by switching groove 2431.
Second working status：When plunger rod 243 is increased to peak, 2431 position of switch groove is higher than the first duct 193, this
When, sealed between oil outlet 122 and the first duct 193 by plunger rod 243 without connecting.
3rd working status is the transition state of above two working status, it is, plunger rod 243 is from peak to most
The transition state of low spot movement or the transition state moved from minimum point to peak.
The structure that compression spring 241, Contraband shape frame 242 and interlocking bar 244 form elevating drive mechanism is as follows：Compress spring
241st, Contraband shape frame 242 and interlocking bar 244 are in the power cavity in swash plate gear transmission portion 11.Contraband shape frame 242 is located at plunger rod
243 top, and fixed with 243 phase of plunger rod.The top of Contraband shape frame 242 is withstood on the inside of housing top wall by compressing spring 241.
Contraband shape frame 242 is equipped with Contraband shape mouth.Interlocking bar 244 is installed on Contraband shape frame 242, and in Contraband shape mouth, and positioned at Contraband shape mouth
Top.The card of swash plate gear 231 is horizontally through Contraband shape mouth, and withstands on interlocking bar 244 above the card of swash plate gear 231
On.Compression spring 241 is the spring with compression bounce, is always pressed downward Contraband shape frame 242, until interlocking bar 244 is withstood on
In the card of swash plate gear 231, it can not move down.Thus as the rotation of swash plate gear 231, plunger rod 243 pass through Contraband shape
The ramp effect suppressed between effect and swash plate gear 231 and interlocking bar 244 of the compressed spring 241 of frame 242 is realized jointly
Lifting.
Swash plate gear 231 in the utility model embodiment is different from general swash plate gear, as shown in fig. 6, it is in
Center portion 2315 and toothed disc are formed.Toothed disc is fixed on central part 2315.Central part 2315 is fixed with 232 phase of jack-post bar,
And jack-post bar 232 forms the shaft of swash plate gear 231.The edge of toothed disc is equipped with engaging tooth.Toothed disc be divided into main frame face 2311,
High card 2312, liter card 2313 from main frame face 2311 to high 2312 transition of card and high card 2312 to 2311 mistake of main frame face
The drop card 2314 crossed.The card of main frame face 2311 and high card 2312 is level.Wherein, the card height of high card 2312 is high
Card height in main frame face 2311.It is transition between main frame face 2311 and high card 2312 to rise card 2313 and drop card 2314
Swash plate face.Main frame face 2311, to rise card 2313, high card 2312, drop card 2314 be sector region on toothed disc, its
In, the sector region of main frame face 2311 and high card 2312 generally requires to be more than 90 degree.In addition, in general, main frame face 2311
It is symmetrical with high card 2312, rise card 2313 and drop card 2314 is symmetrical.In the present embodiment, main frame face 2311 and height
The sector region of card 2312 is 140 degree, and the sector region for rising card 2313 and drop card 2314 is 40 degree.Interlocking bar
244 withstand on toothed disc, with the rotation of toothed disc, interlocking bar 244 main frame face 2311, rise card 2313, high card 2312,
Cyclic switching between drop card 2314.Thus, when interlocking bar 244 is withstood on main frame face 2311, plunger rod 243 reduces as far as possible
And it is maintained at minimum point for a period of time；When interlocking bar 244 is withstood in liter card 2313, plunger rod 243 is from minimum point to highest
Point rises；When interlocking bar 244 is withstood in high card 2312, when plunger rod 243 rises to peak and is maintained at one section of peak
Between；When interlocking bar 244 is withstood in drop card 2314, plunger rod 243 is declined from peak to minimum point.That is, this reality
Apply the plunger rod 243 in example and be different from the common continuous back and forth movement of swash plate plunger, but intermittent back and forth movement.
Three kinds of working statuses of the above-mentioned plunger rod 243 of the present embodiment, three kinds of connected states of jack-post bar 232 and
Matched operation principle is as shown in Figure 7 between lift drive mechanism.The perspective view that Fig. 7 is look up, central part 2315 are right at this time
Answer jack-post bar 232, swash plate gear 231 is rotated clockwise with the direction of R, and interlocking bar 244 relative to swash plate gear 231 then with inverse
Clockwise rotates.Specific operation principle is as follows：
First, under the first sequential, when jack-post bar 232 just turns to the first connected state by third connecting state, axis
Sidewise hole 2322 on mast 232 just faces the second duct 194 so that 192 and second duct 194 of pressure oil storehouse is through sidewise hole
2322 connection oil storage cabins 191.At this time, interlocking bar 244 just rises the top of paramount card 2312 through liter card 2313, that is,
S1 positions in Fig. 7.Plunger rod 243 is pushed up to peak by swash plate gear 231 by interlocking bar 244 so that pressure oil storehouse
192 and second produce negative pressure in duct 194, and lubricating oil is from oil inlet 121 through oil storage cabin 191, axial hole 2321, sidewise hole
2322nd, the second duct 194 is inhaled into pressure oil storehouse 192.At this time, it is close by plunger rod 243 between the first duct 193 and oil outlet 122
Envelope is sealed from one another without connecting between the first duct 193 and the second duct 194, therefore can not possibly be from 122 oil suction of oil outlet.
Then, under the second sequential, with the rotation of swash plate gear 231, jack-post bar 232 goes to the 3rd by the first connected state
Connected state, the first duct 193, the second duct 194, oil storage cabin 191 do not connect mutually.At this time, since interlocking bar 244 is still withstood on
The top of high card 2312, plunger rod 243 are maintained at peak, are not also connected between oil outlet 122 and the first duct 193.This
When, the position of interlocking bar 244 is relative to the card of swash plate gear 231, the S2 positions in Fig. 7.
Subsequently, under the 3rd sequential, with the rotation of swash plate gear 231, when jack-post bar 232 is just by third connecting state
When going to the second connected state, the connection on jack-post bar 232 lacks 2323 and just faces the first duct 193 and the second duct 194,
So that connected between the first duct 193 and the second duct 194.At this time, interlocking bar 244 is just low through being risen under drop card 2314
The top of card 2311, that is, S3 positions in Fig. 7, are also connected state in Fig. 4 at this time.At this time, plunger rod 243 is by compression bullet
The pushing power of spring 241 is pushed to minimum point.Simultaneously, since plunger rod 243 is moved to minimum point, opening on plunger rod 243
Close groove 2431 and connect 122 and first duct 193 of oil outlet.The plunger rod 243 of pushing is by 192 and second duct 194 of pressure oil storehouse
Lubricating oil push the first duct 193 to, it is then fuel-displaced by oil outlet 122 through switching groove 2431, complete the action of pump oil.
Subsequently, under the 4th sequential, with the rotation of swash plate gear 231, jack-post bar 232 goes to by the second connected state
Tee joint state, the first duct 193, the second duct 194, oil storage cabin 191 do not connect mutually.At this time, interlocking bar 244 is still withstood on low
The top of card 2311, plunger rod 243 are maintained at minimum point, and the switch groove 2431 on plunger rod 243 connects oil outlet 122 and the
One duct 193.At this time, the position of interlocking bar 244 is relative to the card of swash plate gear 231, the S4 positions in Fig. 7.
Finally, as the rotation of swash plate gear 231, jack-post bar 232 go to the first connected state from third connecting state, from
And return under the first sequential.
From above-mentioned operation principle, the present embodiment oil pump is intermittently pump oil, 231 per revolution of swash plate gear,
Oil pump performs a pump oil and oil suction action.The time slot of pump oil is very short, meets in mechanical equipment needed for lubricating oil.In addition,
In the rotor being made of swash plate gear 231 it can be seen from the above process and jack-post bar 232, connection lacks 2323 and is located at main frame
Face 2311 and the lower section of drop 2314 joining place of card；Sidewise hole 2322 is located at high card 2312 and rises under 2313 joining place of card
Side.
Claims (7)
1. a kind of oil pump of swash plate gear driving, it is characterised in that including housing, swash plate gear (231) and swash plate gear
(231) worm gearing of engagement, the jack-post bar (232) and swash plate gear that can be rotated synchronously with swash plate gear (231)
(231) plunger rod (243) of driving lifting；Housing is equipped with oil inlet (121) and oil outlet (122)；Jack-post bar (232) is circle
Cylinder, bottom are equipped with axial hole (2321), and side is equipped with sidewise hole (2322) and connects scarce (2323)；Sidewise hole (2322) and company
Logical scarce (2323) are disposed opposite to each other；Jack-post bar (232) is arranged in vertical jack-post hole, positioned at jack-post bar (232) in jack-post hole
Lower section is equipped with oil storage cabin (191)；Oil storage cabin (191) is connected with oil inlet (121)；Sidewise hole (2322) and axial hole (2321)
Connection, and oil storage cabin (191) is connected by axial hole (2321)；Plunger rod (243) is arranged in vertical plunger hole；Plunger hole position
Pressure oil storehouse (192) are equipped with the lower section of plunger rod (243)；Upper and lower two horizontal ducts are equipped between plunger hole and jack-post hole：
First duct (193) and the second duct (194)；First duct (193) is located at the top in the second duct (194)；Second duct
(194) pressure oil storehouse (192) are connected；Second duct (194) is located in identical height with sidewise hole (2322) so that when jack-post bar
(232) when rotating with swash plate gear (231) to sidewise hole (2322) towards the second duct (194), the second duct (194) and side
Connected to hole (2322)；When jack-post bar (232) as swash plate gear (231) rotation to connection lacks (2323) towards the second duct
(194) when, the second duct (194) lack (2323) connection the first duct (193) by connecting；Oil outlet (122) connects plunger hole,
And oil outlet (122) is located in identical height with plunger hole connected component with the first duct (193)；Plunger rod is set on (243)
There is the switch groove (2431) of one of annular；When plunger rod (243) lifting to switch groove (2431) height identical with the first duct (193)
When spending, oil outlet (122) is by switching groove (2431) connection the first duct (193).
2. the oil pump of swash plate gear driving as claimed in claim 1, it is characterised in that further include compression spring (241), Contraband shape
Frame (242) and interlocking bar (244)；Swash plate gear (231) is fixed on the top of jack-post bar (232), and is pacified by jack-post bar (232)
On housing；Contraband shape frame (242) is located at the top of plunger rod (243), and is mutually fixed with plunger rod (243)；Contraband shape frame (242)
Top withstood on by compressing spring (241) on the inside of housing top wall；Contraband shape frame (242) is equipped with Contraband shape mouth；Interlocking bar (244) is installed
On Contraband shape frame (242), and in Contraband shape mouth, and positioned at the top of Contraband shape mouth；The card of swash plate gear (231) is horizontally through
Contraband shape mouth, and withstood on above the card of swash plate gear (231) in interlocking bar (244).
3. the oil pump of swash plate gear driving as claimed in claim 1, it is characterised in that further include lock-bit bolt (195)；Jack-post bar
(232) it is equipped with the lock-bit groove (2324) of annular；The end of lock-bit bolt (195) is withstood in lock-bit groove (2324).
4. the oil pump of swash plate gear driving as claimed in claim 1, it is characterised in that the worm gearing includes first
Worm screw (21) and the second worm screw (22)；First worm screw (21) is equipped with power sub (211) and the first threaded portion (212)；Second
Worm screw (22) is equipped with gear part (221) and the second threaded portion (222)；First worm screw (21) and the second worm screw (22) are perpendicular；
Screw thread on first threaded portion (212) is meshed with gear part (221)；Screw thread and swash plate gear on second threaded portion (222)
(231) it is meshed.
5. the oil pump of swash plate gear driving as claimed in claim 1, it is characterised in that swash plate gear (231) is by central part
(2315) formed with toothed disc；Toothed disc is fixed on central part (2315)；The edge of toothed disc is equipped with engaging tooth；Toothed disc
Be divided into main frame face (2311), high card (2312), main frame face (2311) to high card (2312) transition liter card (2313) with
And high card (2312) is to the drop card (2314) of main frame face (2311) transition；Main frame face (2311) and the disk of high card (2312)
Face is level；The card of high card (2312) is highly higher than the card height of main frame face (2311)；Rise card (2313) and drop disk
Face (2314) is the swash plate face of transition between main frame face (2311) and high card (2312).
6. the oil pump of swash plate gear driving as claimed in claim 5, it is characterised in that main frame face (2311) and high card
(2312) sector region is all higher than 90 degree.
7. the oil pump of swash plate gear driving as claimed in claim 5, it is characterised in that connection lacks (2323) and is located at main frame face
(2311) and drop card (2314) joining place lower section；Sidewise hole (2322) is located at high card (2312) and rises card (2313) rank
Connect the lower section at place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720780436.6U CN207261208U (en) | 2017-06-30 | 2017-06-30 | A kind of oil pump of swash plate gear driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720780436.6U CN207261208U (en) | 2017-06-30 | 2017-06-30 | A kind of oil pump of swash plate gear driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261208U true CN207261208U (en) | 2018-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720780436.6U Withdrawn - After Issue CN207261208U (en) | 2017-06-30 | 2017-06-30 | A kind of oil pump of swash plate gear driving |
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| Country | Link |
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| CN (1) | CN207261208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269495A (en) * | 2017-06-30 | 2017-10-20 | 江苏恒达动力科技发展股份有限公司 | A kind of oil pump of swash plate gear driving |
-
2017
- 2017-06-30 CN CN201720780436.6U patent/CN207261208U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269495A (en) * | 2017-06-30 | 2017-10-20 | 江苏恒达动力科技发展股份有限公司 | A kind of oil pump of swash plate gear driving |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180420 Effective date of abandoning: 20200327 |
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| AV01 | Patent right actively abandoned |