CN115773240A - Oil pump convenient to adjust - Google Patents
Oil pump convenient to adjust Download PDFInfo
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- CN115773240A CN115773240A CN202310051548.8A CN202310051548A CN115773240A CN 115773240 A CN115773240 A CN 115773240A CN 202310051548 A CN202310051548 A CN 202310051548A CN 115773240 A CN115773240 A CN 115773240A
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Abstract
The utility model provides an oil pump convenient to adjust relates to the oil pump field, and its driven gear rotates with the second pivot to be connected, and driven gear passes through the second pivot to be connected with the casing rotation, and the second pivot is connected with the casing along the direction sliding connection of driving gear and driven gear central line, and the second pivot is towards the relative casing slip back of direction near first pivot, and the top of the driven gear tooth separates and forms crescent clearance with second half cylinder face. When needing to adjust the pump oil mass, the direction slip second pivot towards keeping away from or being close to first pivot drives driven gear towards the direction motion of being close to or keeping away from the driving gear, adjust the size in crescent clearance, through the size in adjustment crescent clearance, adjust the pump oil mass, in the accommodation process, the oil pressure in the malleation intracavity is no longer than maximum oil pressure value and the oil pressure in the negative pressure intracavity is not less than minimum oil pressure value all the time, help solving among the prior art and be difficult to carry out continuous adjustment's technical problem to the pump oil mass.
Description
Technical Field
The application relates to an oil pump technical field especially relates to an oil pump convenient to adjust.
Background
The oil pump is a hydraulic oil pumping device, the gear oil pump is one of the oil pumps, the gear oil pump usually comprises a shell, a motor and two gears located in the shell, one of the gears is a driving gear and is connected with the motor, the other gear is a driven gear and is meshed with the driving gear, the driving gear and the driven gear are respectively and rotatably connected with the shell, the driving gear and the driven gear divide the inner space of the shell into a positive pressure cavity and a negative pressure cavity, an input port and an output port are arranged on the shell, the input port is communicated with the negative pressure cavity, and the output port is communicated with the positive pressure cavity.
However, when the oil amount of the pump is adjusted, the gear pump is usually realized by changing the rotating speed of the motor or arranging a throttle valve at an input port or an output port, the change of the rotating speed of the motor not only has high requirement on the control precision of the rotating speed of the motor, but also causes certain damage to the motor, and the setting of the throttle valve can influence the oil pressure of the positive pressure cavity or the negative pressure cavity.
Therefore, the gear oil pump in the prior art usually cannot adjust the pumping oil amount, or the gear adjustment is few and the interval between the gears is large, so that the pumping oil amount is difficult to be adjusted continuously.
Disclosure of Invention
The application provides an oil pump convenient to adjust for solve and be difficult to carry out the technical problem of continuous adjustment to the pump oil mass among the prior art.
In the embodiment of this application, an oil pump convenient to adjust is provided, including casing, motor, driving gear, driven gear, the driving gear with driven gear is located the casing and meshes the setting, the driving gear with the motor is connected, the driving gear with driven gear will casing inner space separates for malleation chamber and negative pressure chamber, be equipped with input port and delivery outlet on the casing, the input port with negative pressure chamber intercommunication, the delivery outlet with malleation chamber intercommunication, the inside wall of casing includes first halfcylinder and second halfcylinder, the addendum of driving gear with first halfcylinder contact cooperation, driven gear's crown with second halfcylinder contact cooperation, the first pivot of center fixedly connected with of driving gear, first pivot with the casing rotates to be connected, driven gear center is connected with the second pivot, driven gear with the casing rotates to be connected, driven gear with second pivot rotates to be connected, driven gear passes through the second pivot with the casing rotates to be connected, the second pivot with the casing is followed the driving gear with the direction sliding connection of driven gear central line, the second pivot is close to the direction of first rotation is close to the second half cylinder separation the casing back crescent clearance forms.
In some embodiments of the present application, the casing includes an annular sleeve, two end caps, an input tube, and an output tube, the annular sleeve includes a first semi-cylindrical portion and a second semi-cylindrical portion, the first semi-cylindrical portion is formed by an inner side surface of the first semi-cylindrical portion, the second semi-cylindrical portion is formed by an inner side surface of the second semi-cylindrical portion, the input tube and the output tube are located on a same straight line and between the first semi-cylindrical portion and the second semi-cylindrical portion, the input port and the output port are respectively disposed on a side wall of the annular sleeve, the input tube and the output tube are respectively integrally connected to the annular sleeve, the input tube is connected to the input port, the output tube is connected to the output port, one of the end caps is fixedly connected to an end surface of one end of the annular sleeve, the other of the end caps is fixedly connected to an end surface of the other end of the annular sleeve, two ends of the first rotating shaft are respectively rotatably connected to the two end caps, and two ends of the second rotating shaft are respectively slidably connected to the two end caps.
In some embodiments of the present disclosure, the annular sleeve includes a first linear portion and a second linear portion, the first linear portion and the second linear portion are respectively located between the first semi-cylindrical portion and the second semi-cylindrical portion, the input port is located at a center of the first linear portion, the output port is located at a center of the second linear portion, two ends of the first linear portion are respectively and integrally connected to the first semi-cylindrical portion and the second semi-cylindrical portion, the input pipe is integrally connected to the first linear portion, two ends of the second linear portion are respectively and integrally connected to the first semi-cylindrical portion and the second semi-cylindrical portion, the output pipe is integrally connected to the second linear portion, the first linear portion is arranged in parallel to the second linear portion, the first linear portion is parallel to a central line of the driving gear and the driven gear, a tooth crest diameter of the driving gear is equal to a tooth crest diameter of the driven gear, a diameter of the first semi-cylindrical portion is equal to a diameter of the second semi-cylindrical portion, a diameter of the first semi cylindrical portion is equal to a diameter of the driving gear, a tooth crest diameter of the first linear portion is greater than a tooth crest radius of the driving gear, and a distance between tooth crest of the driving gear and a tooth crest radius of the second linear portion is greater than a distance of the driving gear.
In some implementations of embodiments of the present application, the first semi-cylindrical surface has a central angle of less than 180 degrees.
In some embodiments of this application embodiment, the oil pump convenient to adjust still includes base, U-shaped fagging, the casing is located the U-shaped fagging is inboard, two the end cover respectively with the medial surface sliding connection of U-shaped fagging, the ring sleeve with base fixed connection, the both ends of second pivot respectively with the U-shaped fagging rotates and connects.
In some embodiments of this application embodiment, be equipped with T shape seal chamber on the end cover, be equipped with T shape closing plate in the T shape seal chamber, T shape closing plate snare is in on the second pivot, T shape closing plate with the step face in T shape seal chamber closely cooperates, the lateral wall in T shape seal chamber with the regulation clearance has between the lateral wall of T shape closing plate, the medial surface of U-shaped fagging with T shape closing plate tight fit.
In some embodiments of this application embodiment, the base is located first pivot is kept away from one side of second pivot, the base perpendicular to the driving gear with driven gear center line, fixedly connected with swivel nut on the base, the central line of swivel nut with the base is perpendicular, swivel nut internal thread connection has the bolt, the bolt is located the U-shaped fagging with between the base, the one end of bolt with U-shaped fagging press fit.
In some embodiments of the embodiment of the present application, the base is fixedly connected with a supporting seat, the supporting seat is fixedly connected with the outer side surface of the annular sleeve, and the threaded sleeve is fixedly connected with the supporting seat.
In some embodiments of the present application, the base is provided with a mounting/dismounting opening, and the mounting/dismounting opening is aligned with the bolt along a direction parallel to a center line of the bolt.
In some embodiments of this application embodiment, the shell of motor with base fixed connection, fixedly connected with drive pulley on the output shaft of motor, the one end fixedly connected with driven pulley of first pivot, drive pulley with be connected through the drive belt transmission between the driven pulley.
The application has the following beneficial effects:
when the oil pumping amount needs to be adjusted, the second rotating shaft slides towards the direction far away from or close to the first rotating shaft to drive the driven gear to move towards the direction close to or far away from the driving gear, when the driven gear moves towards the direction close to the driving gear, the tooth top of the driven gear is separated from the second semi-cylindrical surface to form a crescent gap, the width of the crescent gap is gradually increased along with the approach of the driven gear to the driving gear, a part of hydraulic oil in the positive pressure cavity flows into the negative pressure cavity through the crescent gap, the oil pressure in the negative pressure cavity is increased, the oil pressure in the positive pressure cavity is reduced, the oil pumping amount is reduced, the oil pressure in the positive pressure cavity is not increased and the oil pressure in the negative pressure cavity is not reduced in the adjusting process, and the rotating speed of the motor is not changed, can not increase motor load, when driven gear when the direction motion of keeping away from the driving gear, crescent clearance reduces, the oil pressure increase of malleation intracavity and the oil pressure of negative pressure intracavity reduce, increase the pump oil mass, motor speed is unchangeable in the accommodation process, when the contact of driven gear vertex of a tooth and second half cylinder, crescent clearance disappears, the oil pressure of malleation intracavity reaches the maximum value this moment, the oil pressure of negative pressure intracavity reaches the minimum, through the size of adjustment crescent clearance, adjust the pump oil mass, in the accommodation process, the oil pressure of malleation intracavity is no longer than maximum oil pressure value and the oil pressure of negative pressure intracavity all the time and is not less than minimum oil pressure value all the time, help solving and being difficult to carrying out the technical problem of continuous adjustment to the pump oil mass among the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present application 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, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of an oil pump that facilitates regulation in an embodiment of the present application;
FIG. 2 is a schematic diagram of an oil pump that facilitates adjustment in an embodiment of the present application from another perspective;
FIG. 3 is a top view of an oil pump that facilitates adjustment in an embodiment of the present application;
FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a schematic structural diagram of a housing according to an embodiment of the present application;
fig. 7 is a schematic view of another housing of the present application.
Reference numerals are as follows:
101. a motor; 102. a driving gear; 103. a driven gear; 104. a positive pressure chamber; 105. a negative pressure chamber; 106. an input port; 107. an output port; 108. a first rotating shaft; 109. a second rotating shaft; 110. a crescent-shaped gap; 111. an end cap; 112. an input tube; 113. an output pipe; 114. a first semicylindrical portion; 115. a second semi-cylindrical portion; 116. a first linear portion; 117. a second straight line portion; 118. a base; 119. a U-shaped supporting plate; 120. a T-shaped sealed cavity; 121. a T-shaped sealing plate; 122. adjusting the clearance; 123. a threaded sleeve; 124. a bolt; 125. a supporting seat; 126. assembling and disassembling the port; 127. a drive pulley; 128. a driven pulley; 129. a drive belt.
Detailed Description
Embodiments of the present application will now be described in further detail with reference to the drawings and examples, and the terminology used in the description of the embodiments of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the application.
As shown in fig. 1 to 5, in an embodiment of the present application, an oil pump convenient for adjustment is provided, which includes a housing, a motor 101, a driving gear 102, and a driven gear 103, wherein the driving gear 102 and the driven gear 103 are located in the housing and are disposed in a meshing manner, the driving gear 102 is connected to the motor 101, the driving gear 102 and the driven gear 103 divide an internal space of the housing into a positive pressure chamber 104 and a negative pressure chamber 105, an input port 106 and an output port 107 are provided on the housing, the input port 106 is communicated with the negative pressure chamber 105, the output port 107 is communicated with the positive pressure chamber 104, an inner side wall of the housing includes a first semi-cylindrical surface and a second semi-cylindrical surface, an addendum of the driving gear 102 is in contact fit with the first semi-cylindrical surface, an addendum of the driven gear 103 is in contact fit with the second semi-cylindrical surface, a first rotating shaft 108 is fixedly connected to a center of the driving gear 102, the first rotating shaft 108 is rotatably connected to the housing, a second rotating shaft 109 is connected to a center of the driven gear 103, the driven gear 103 is rotatably connected to the housing, the driven gear 103 is rotatably connected to the second rotating shaft 109, the driven gear 103 is rotatably connected to the housing by the second rotating shaft 109, the driven gear 103, the second rotating shaft 109, the driven gear 103 is slidably connected to the housing along a direction along a central connecting line of the driving gear 102, the second rotating shaft 109, and a gap between the second rotating shaft 109, and the second rotating shaft 109, and the second rotating shaft 103 is separated from the housing, and the second rotating shaft 103.
Through the above embodiment of this embodiment, when the amount of pumping oil needs to be adjusted, the second rotating shaft 109 is slid in a direction away from or close to the first rotating shaft 108, so as to drive the driven gear 103 to move in a direction close to or away from the driving gear 102, when the driven gear 103 moves in a direction close to the driving gear 102, the tooth top of the driven gear 103 is separated from the second semi-cylindrical surface and forms the crescent gap 110, the width of the crescent gap 110 gradually increases as the driven gear 103 approaches the driving gear 102, a part of hydraulic oil in the positive pressure cavity 104 flows into the negative pressure cavity 105 through the crescent gap 110, the oil pressure in the negative pressure cavity 105 is increased and the oil pressure in the positive pressure cavity 104 is decreased, so as to decrease the amount of pumping oil, the oil pressure in the positive pressure cavity 104 is not increased and the oil pressure in the negative pressure cavity 105 is not decreased during adjustment, the rotating speed of the motor 101 cannot be changed, the load of the motor 101 cannot be increased, when the driven gear 103 moves towards the direction far away from the driving gear 102, the crescent gap 110 is reduced, the oil pressure in the positive pressure cavity 104 is increased, the oil pressure in the negative pressure cavity 105 is reduced, the oil pumping amount is increased, the rotating speed of the motor 101 in the adjusting process is unchanged, when the tooth top of the driven gear 103 is in contact with the second semi-cylindrical surface, the crescent gap 110 disappears, the oil pressure in the positive pressure cavity 104 reaches the maximum value at the moment, the oil pressure in the negative pressure cavity 105 reaches the minimum value, the oil pumping amount is adjusted by adjusting the size of the crescent gap 110, in the adjusting process, the oil pressure in the positive pressure cavity 104 does not exceed the maximum oil pressure value all the time, and the oil pressure in the negative pressure cavity 105 is not lower than the minimum oil pressure value all the time, and the technical problem that the oil pumping amount is difficult to adjust continuously in the prior art is solved.
In some embodiments of this embodiment, the casing includes an annular sleeve, two end caps 111, an input pipe 112, and an output pipe 113, the annular sleeve includes a first semi-cylindrical portion 114 and a second semi-cylindrical portion 115, the first semi-cylindrical portion is formed by an inner side surface of the first semi-cylindrical portion 114, the second semi-cylindrical portion is formed by an inner side surface of the second semi-cylindrical portion 115, the input pipe 112 and the output pipe 113 are located on the same straight line and located between the first semi-cylindrical portion 114 and the second semi-cylindrical portion 115, the input port 106 and the output port 107 are respectively disposed on a side wall of the annular sleeve, the input pipe 112 and the output pipe 113 are respectively connected with the annular sleeve integrally, the input pipe 112 is connected with the input port 106, the output pipe 113 is connected with the output port 107, one end cap 111 is fixedly connected with an end face of one end of the annular sleeve, the other end cap 111 is fixedly connected with an end face of the other end of the annular sleeve, two ends of the first rotating shaft 108 are respectively connected with the two end caps 111, and two ends of the second rotating shaft 109 are respectively connected with the two end caps 111 in a sliding manner.
Through the above-mentioned embodiment of this embodiment, ring gear and end cover 111 independent setting respectively, and the integrative setting of ring gear can avoid having crescent clearance 110 or the crescent clearance 110 between driven gear 103 and the second half cylinder face between driving gear 102 and the first half cylinder face can't be closed because of assembly error results in, and end cover 111 accessible fastener and ring gear fastening connection also can adopt welded mode and ring gear fixed connection.
As shown in fig. 6, in some embodiments of the present embodiment, the annular sleeve includes a first linear portion 116 and a second linear portion 117, the first linear portion 116 and the second linear portion 117 are respectively located between the first semi-cylindrical portion 114 and the second semi-cylindrical portion 115, the input port 106 is located at the center of the first linear portion 116, the output port 107 is located at the center of the second linear portion 117, both ends of the first linear portion 116 are respectively integrally connected to the first semi-cylindrical portion 114 and the second semi-cylindrical portion 115, the input pipe 112 is integrally connected to the first linear portion 116, both ends of the second linear portion 117 are respectively integrally connected to the first semi-cylindrical portion 114 and the second semi-cylindrical portion 115, the output pipe 113 is integrally connected to the second linear portion 117, the first linear portion 116 is arranged parallel to the second linear portion 117, the first linear portion 116 is parallel to a central line of the driving gear 102 and the driven gear 103, a tooth top diameter of the driving gear 102 is equal to a tooth top diameter of the driven gear 103, a diameter of the first semi-cylindrical portion is equal to a diameter of the second semi-cylindrical portion, a diameter of the first semi-cylindrical portion is equal to a diameter of the driving gear 102, a tooth top diameter of the driving gear 102 is greater than a distance between the tooth top radius of the driving gear 102.
With the above-described embodiment of the present embodiment, the capacities of the positive pressure chamber 104 and the negative pressure chamber 105 are increased, and the tooth tips of the driven gear 103 are prevented from coming into contact with the first straight line portion 116 or the second straight line portion 117 after leaving the second semi-cylindrical surface surrounding area, so that the hydraulic oil in the positive pressure chamber 104 flows into the crescent gap 110, or the hydraulic oil in the crescent gap 110 flows into the negative pressure chamber 105.
As shown in fig. 7, in some embodiments of the present embodiment, the central angle of the first semi-cylindrical surface (shown as θ in fig. 7) is less than 180 degrees.
Through the above-mentioned embodiment of this embodiment, one end of crescent clearance 110 communicates with positive pressure chamber 104, and the other end of crescent clearance 110 communicates with negative pressure chamber 105, and after the tooth top of driven gear 103 and the second semicylinder surface separated, positive pressure chamber 104 communicates with negative pressure chamber 105 through crescent clearance 110 to some hydraulic oil in positive pressure chamber 104 flows into negative pressure chamber 105 through crescent clearance 110, thereby reduces the oil pressure in positive pressure chamber 104 and increases the oil pressure in negative pressure chamber 105, reduces the pump oil volume.
In some embodiments of this embodiment, the oil pump convenient for adjustment further includes a base 118 and a U-shaped supporting plate 119, the housing is located inside the U-shaped supporting plate 119, the two end covers 111 are slidably connected to an inner side of the U-shaped supporting plate 119, the annular sleeve is fixedly connected to the base 118, and two ends of the second rotating shaft 109 are rotatably connected to the U-shaped supporting plate 119.
Through the above embodiment of this embodiment, the U-shaped stay plate 119 can push and pull both ends of the second rotating shaft 109 simultaneously, so that both ends of the driven gear 103 slide relative to the housing synchronously, the parallelism between the central axis of the driven gear 103 and the central axis of the driving gear 102 is improved, the lateral pressure between the end surface of the driven gear 103 and the end cover 111 is reduced, the resistance received by the driven gear 103 during the sliding process is reduced, and the adjustment process is more labor-saving.
In some embodiments of this embodiment, a T-shaped sealing cavity 120 is disposed on the end cover 111, a T-shaped sealing plate 121 is disposed in the T-shaped sealing cavity 120, the T-shaped sealing plate 121 is sleeved on the second rotating shaft 109, the T-shaped sealing plate 121 is tightly fitted to a step surface of the T-shaped sealing cavity 120, an adjusting gap 122 is formed between a side wall of the T-shaped sealing cavity 120 and a side wall of the T-shaped sealing plate 121, and an inner side surface of the u-shaped supporting plate 119 is tightly fitted to the T-shaped sealing plate 121.
Through the above embodiment of this embodiment, the T-shaped sealing plate 121 is made of a rubber material, the side wall of the T-shaped sealing cavity 120 is set to be stepped, the shape of the T-shaped sealing plate 121 is matched with the shape of the T-shaped sealing cavity 120, and a gap is provided between the side wall of the T-shaped sealing plate 121 and the side wall of the T-shaped sealing cavity 120, the gap provides a moving space for the T-shaped sealing plate 121 to slide, the second rotating shaft 109 drives the T-shaped sealing plate 121 to slide in the process of moving towards the direction close to or away from the first rotating shaft 108, and in the sliding process of the T-shaped sealing plate 121, the step surface of the T-shaped sealing plate 121 and the step surface of the T-shaped sealing plate always keep a tight fit, so as to avoid leakage of hydraulic oil inside the housing.
In some embodiments of the present embodiment, the base 118 is located on a side of the first rotating shaft 108 away from the second rotating shaft 109, the base 118 is perpendicular to a central line between the driving gear 102 and the driven gear 103, a threaded sleeve 123 is fixedly connected to the base 118, a central line of the threaded sleeve 123 is perpendicular to the base 118, a bolt 124 is connected to the threaded sleeve 123 in a threaded manner, the bolt 124 is located between the U-shaped supporting plate 119 and the base 118, and one end of the bolt 124 is press-fitted with the U-shaped supporting plate 119.
Through the above embodiment of the present embodiment, the bolt 124 can be rotated to push the U-shaped supporting plate 119, and the U-shaped supporting plate 119 can simultaneously push the two ends of the second rotating shaft 109 to move toward or away from the first rotating shaft 108, so as to improve the parallelism between the first rotating shaft 108 and the second rotating shaft 109.
In some embodiments of the present invention, the base 118 is fixedly connected with a supporting seat 125, the supporting seat 125 is fixedly connected with an outer side surface of the annular sleeve, and the threaded sleeve 123 is fixedly connected with the supporting seat 125.
In some embodiments of the present embodiment, the base 118 is provided with a mounting/dismounting hole 126, and the mounting/dismounting hole 126 is aligned with the bolt 124 along a direction parallel to a central line of the bolt 124.
With the above-described embodiment of the present embodiment, the mounting/dismounting opening 126 facilitates mounting/dismounting maintenance of the bolt 124.
In some embodiments of the present embodiment, the housing of the motor 101 is fixedly connected to the base 118, the output shaft of the motor 101 is fixedly connected to a driving pulley 127, one end of the first rotating shaft 108 is fixedly connected to a driven pulley 128, and the driving pulley 127 and the driven pulley 128 are in transmission connection through a transmission belt 129.
Through the above embodiment of this embodiment, in the working process, when the driving gear 102 and the driven gear 103 are jammed or are stressed too much, the transmission belt 129, the driving belt and the driven belt can slip relatively, and the phenomenon that the tooth surface is cracked or the shell is deformed or leaked due to too much oil pressure caused by too much load of the driving gear 102 and the driven gear 103 is avoided.
The above examples are only illustrative and not restrictive, and those skilled in the art can modify the embodiments of the present application as required after reading the present specification without any inventive contribution, but all of them are protected by patent laws within the scope of the claims of the present application.
Claims (10)
1. The utility model provides an oil pump convenient to adjust, includes casing, motor, driving gear, driven gear, the driving gear with driven gear is located the casing and meshes the setting, the driving gear with the motor is connected, the driving gear with driven gear will casing inner space separates for positive pressure chamber and negative pressure chamber, be equipped with input port and delivery outlet on the casing, the input port with negative pressure chamber intercommunication, the delivery outlet with positive pressure chamber intercommunication, the casing inside wall includes first halfcylinder and second halfcylinder, the addendum of driving gear with first halfcylinder contact cooperation, the addendum of driven gear with second halfcylinder contact cooperation, the first pivot of center fixedly connected with of driving gear, first pivot with the casing rotates to be connected, driven gear center is connected with the second pivot, driven gear with casing rotates to be connected, its characterized in that, driven gear with second pivot rotate to be connected, driven gear passes through the second pivot with casing rotates to be connected, the second pivot with the casing is followed the driving gear with driven gear center line's direction sliding connection, the second pivot is close to the direction of first pivot is close to the back crescent clearance separation of second.
2. The adjustable oil pump of claim 1, wherein the housing comprises an annular sleeve, two end caps, an input tube, and an output tube, the annular sleeve comprises a first semi-cylindrical portion and a second semi-cylindrical portion, the first semi-cylindrical portion is formed by an inner side of the first semi-cylindrical portion, the second semi-cylindrical portion is formed by an inner side of the second semi-cylindrical portion, the input tube and the output tube are positioned on a same straight line and between the first semi-cylindrical portion and the second semi-cylindrical portion, the input port and the output port are respectively disposed on a side wall of the annular sleeve, the input tube and the output tube are respectively integrally connected to the annular sleeve, the input tube is connected to the input port, the output tube is connected to the output port, one of the end caps is fixedly connected to an end face of one end of the annular sleeve, the other end cap is fixedly connected to an end face of the other end of the annular sleeve, two ends of the first rotating shaft are respectively rotatably connected to the two end caps, and two ends of the second rotating shaft are respectively slidably connected to the two end caps.
3. The adjustable oil pump of claim 2, wherein the annular sleeve includes a first linear portion and a second linear portion, the first linear portion and the second linear portion are respectively located between the first semi-cylindrical portion and the second semi-cylindrical portion, the input port is located at a center of the first linear portion, the output port is located at a center of the second linear portion, both ends of the first linear portion are respectively integrally connected to the first semi-cylindrical portion and the second semi-cylindrical portion, the input pipe is integrally connected to the first linear portion, both ends of the second linear portion are respectively integrally connected to the first semi-cylindrical portion and the second semi-cylindrical portion, the output pipe is integrally connected to the second linear portion, the first linear portion is arranged in parallel to a central line of the driving gear and the driven gear, a tip diameter of the driving gear is equal to a tip diameter of the driven gear, a diameter of the first semi-cylindrical portion is equal to a diameter of the second semi-cylindrical portion, a diameter of the first semi cylindrical portion is equal to a tip diameter of the driving gear, a tip diameter of the first linear portion is greater than a tip distance of the driving gear.
4. The adjustable oil pump of claim 3 wherein the first semi-cylindrical surface has a central angle of less than 180 degrees.
5. The adjustable oil pump according to any one of claims 2 to 4, further comprising a base, a U-shaped supporting plate, wherein the housing is located inside the U-shaped supporting plate, the two end caps are slidably connected to inner side surfaces of the U-shaped supporting plate, the annular sleeve is fixedly connected to the base, and two ends of the second shaft are rotatably connected to the U-shaped supporting plate.
6. The adjustable oil pump as claimed in claim 5, wherein a T-shaped sealing cavity is formed in the end cap, a T-shaped sealing plate is arranged in the T-shaped sealing cavity, the T-shaped sealing plate is annularly sleeved on the second rotating shaft, the T-shaped sealing plate is tightly fitted with a step surface of the T-shaped sealing cavity, an adjusting gap is formed between a side wall of the T-shaped sealing cavity and a side wall of the T-shaped sealing plate, and an inner side surface of the U-shaped supporting plate is tightly fitted with the T-shaped sealing plate in a pressing manner.
7. The adjustable oil pump as claimed in claim 5, wherein the base is located on a side of the first shaft away from the second shaft, the base is perpendicular to a center line of the driving gear and the driven gear, a threaded sleeve is fixedly connected to the base, a center line of the threaded sleeve is perpendicular to the base, a bolt is connected to the threaded sleeve through an internal thread, the bolt is located between the U-shaped supporting plate and the base, and one end of the bolt is in press fit with the U-shaped supporting plate.
8. The adjustable oil pump as claimed in claim 7, wherein the base is fixedly connected with a support base, the support base is fixedly connected with an outer side surface of the annular sleeve, and the threaded sleeve is fixedly connected with the support base.
9. The adjustable oil pump of claim 7, wherein the base has a mounting opening aligned with the bolt in a direction parallel to a centerline of the bolt.
10. The adjustable oil pump of claim 9, wherein the housing of the motor is fixedly connected to the base, the output shaft of the motor is fixedly connected to a driving pulley, one end of the first rotating shaft is fixedly connected to a driven pulley, and the driving pulley is in transmission connection with the driven pulley through a transmission belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310051548.8A CN115773240B (en) | 2023-02-02 | 2023-02-02 | Oil pump convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310051548.8A CN115773240B (en) | 2023-02-02 | 2023-02-02 | Oil pump convenient to adjust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115773240A true CN115773240A (en) | 2023-03-10 |
| CN115773240B CN115773240B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310051548.8A Active CN115773240B (en) | 2023-02-02 | 2023-02-02 | Oil pump convenient to adjust |
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| CN209278119U (en) * | 2018-11-30 | 2019-08-20 | 南京欧瑞克泵阀有限公司 | A kind of facial mask machine Special magnetic driving gear pump with lubricating function |
| CN110792540A (en) * | 2018-08-03 | 2020-02-14 | 仪征威业油泵油嘴有限公司 | Leak protection plunger matching parts for injection pump |
| CN210239983U (en) * | 2019-07-12 | 2020-04-03 | 熊欢欢 | Gear pump |
| CN214660819U (en) * | 2020-12-30 | 2021-11-09 | 济南博尔动力设备有限公司 | Self-balancing gear pump |
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2023
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| CN104879298A (en) * | 2015-06-02 | 2015-09-02 | 西北工业大学 | Variable displacement gear pump |
| CN205592624U (en) * | 2016-04-29 | 2016-09-21 | 合肥长源液压股份有限公司 | High pressure gear oil pump |
| CN110792540A (en) * | 2018-08-03 | 2020-02-14 | 仪征威业油泵油嘴有限公司 | Leak protection plunger matching parts for injection pump |
| CN209278119U (en) * | 2018-11-30 | 2019-08-20 | 南京欧瑞克泵阀有限公司 | A kind of facial mask machine Special magnetic driving gear pump with lubricating function |
| CN210239983U (en) * | 2019-07-12 | 2020-04-03 | 熊欢欢 | Gear pump |
| CN214660819U (en) * | 2020-12-30 | 2021-11-09 | 济南博尔动力设备有限公司 | Self-balancing gear pump |
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| Publication number | Publication date |
|---|---|
| CN115773240B (en) | 2023-04-14 |
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