CN216077556U

CN216077556U - Linear conjugated internal gear pump with good wear resistance

Info

Publication number: CN216077556U
Application number: CN202121635289.6U
Authority: CN
Inventors: 陈跃邦; 徐军中; 李传金
Original assignee: Jiangsu Jinhu Fuel Feed Pump Co ltd
Current assignee: Jiangsu Jinhu Fuel Feed Pump Co ltd
Priority date: 2021-07-17
Filing date: 2021-07-17
Publication date: 2022-03-18
Anticipated expiration: 2031-07-17

Abstract

The utility model relates to the technical field of gear pumps and discloses a linear conjugate internal gear pump with good wear resistance, which comprises a motor base, wherein a motor is fixedly installed inside the motor base, a shell is fixedly installed on the front surface of the motor base, an outer gear is fixedly installed on an output shaft of the motor through a coupler, an inner gear is movably connected to the outer wall of the outer gear, a crescent plate is fixedly installed on the front surface of the shell, an input pipe is fixedly installed on the outer wall of the shell, an output pipe is fixedly installed on the outer wall of the shell, a connecting pipe is fixedly installed on the outer wall of the shell, a cavity is fixedly installed at one end of the connecting pipe, and a sealing ring is movably connected to the inner wall of the cavity. This straight line conjugate crescent gear pump that wear resistance is good can make the device be convenient for filter the fluid to the convenience is protected inside machinery, thereby has prolonged the life of device, has avoided because the inside contains impurity and the device wearing and tearing that lead to are serious.

Description

Linear conjugated internal gear pump with good wear resistance

Technical Field

The utility model relates to the technical field of gear pumps, in particular to a linear conjugate internal gear pump with good wear resistance.

Background

The internal gear pump adopts the principle of internal gear engagement, the pitch circle of the internal gear and the pitch circle of the external gear are close to one side, the other side is separated by a crescent plate on the pump cover, a driving internal gear on the main shaft drives the external gear to rotate in the same direction, the gears are mutually separated at an inlet to form negative pressure to suck liquid, and the gears are continuously embedded and meshed at an outlet to extrude and output the liquid.

The linear conjugate internal gear pump with good wear resistance used in the market can not filter fluid, so that the internal precise structure is easy to wear due to impurities, the service life of the device is prolonged, and inconvenience is brought to users.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the linear conjugated internal gear pump with good wear resistance, which has the advantages of filtering and the like, and solves the problem that the linear conjugated internal gear pump with good wear resistance used in the current market can not filter fluid.

(II) technical scheme

In order to achieve the purpose of filtering, the utility model provides the following technical scheme: a linear conjugate internal gear pump with good wear resistance comprises a motor base, wherein a motor is fixedly mounted inside the motor base, a shell is fixedly mounted on the front surface of the motor base, an outer gear is fixedly mounted on an output shaft of the motor through a coupler, an inner gear is movably connected to the outer wall of the outer gear, a crescent moon plate is fixedly mounted on the front surface of the shell, an input pipe is fixedly mounted on the outer wall of the shell, an output pipe is fixedly mounted on the outer wall of the shell, a connecting pipe is fixedly mounted on the outer wall of the shell, a cavity is fixedly mounted at one end of the connecting pipe, a sealing ring is movably connected to the inner wall of the cavity, a piston is fixedly mounted on the inner wall of the sealing ring, a threaded rod is fixedly mounted at the top of the piston, a threaded block is fixedly mounted inside the cavity, and a return pipe is fixedly mounted on one side of the cavity;

the utility model discloses a filter, including input tube, filter vat, limiting rod, limiting block, sleeve, snap ring, connecting plate, movable connection of outer wall, the inner wall swing joint of input tube has the filter vat, the inside fixed mounting of filter vat has the spring, the inside fixed mounting of filter vat has the gag lever post, the outer wall fixed mounting of gag lever post has the stopper, the outer wall swing joint of stopper is by the sleeve, the one end fixed mounting of spring has the snap ring, the outer wall swing joint of snap ring has the connecting plate, the outer wall swing joint of connecting plate has the fly leaf, the outer wall swing joint of fly leaf has the fixture block, the outer wall swing joint of fly leaf has the backup pad, the bottom of backup pad and the inner wall fixed connection of filter vat can make the device be convenient for filter the fluid to the convenience is protected inside machinery, thereby has prolonged the life of device, has avoided the device that leads to because inside contains impurity wearing and tearing seriously.

Preferably, the inner wall of shell and the inner wall sliding connection of outer gear, the outer wall of crescent moon board and the inner wall sliding connection of outer gear can be so that the inner gear is convenient for drive the outer gear and rotate to make things convenient for the outer gear to rotate.

Preferably, the outer wall of the threaded rod is in threaded connection with the inner wall of the threaded block, and the size of the piston is matched with that of the cavity, so that the position of the piston can be conveniently adjusted, and the internal pressure can be adjusted.

Preferably, one end of the return pipe penetrates through the outer wall of the housing and extends to the inner wall of the housing, and one end of the connecting pipe penetrates through the outer wall of the housing and extends to the inner wall of the housing, so that internal fluid circulation can be facilitated.

Preferably, the one end of gag lever post runs through telescopic outer wall and extends to telescopic inside, telescopic one end and the outer wall swing joint of snap ring can make things convenient for the sleeve to press the snap ring to make the spring compression.

Preferably, the clamping groove is formed in the inner wall of the input pipe, the inner wall of the clamping groove is movably connected with the outer wall of the clamping block, the filter barrel is conveniently clamped and fixed, and the filtering effect of the filter barrel is improved.

Preferably, the number of the connecting plates is two, and the two connecting plates are symmetrically arranged by taking the vertical central line of the limiting block as a symmetry axis, so that the connecting plates can conveniently drive the clamping blocks to move.

(III) advantageous effects

Compared with the prior art, the utility model provides a linear conjugate internal gear pump with good wear resistance, which has the following beneficial effects:

1. this straight line conjugate crescent gear pump that wear resistance is good, motor cabinet, motor, shell, external gear, internal gear, crescent moon board, input tube, output tube and the filter vat through setting up can be so that the device is convenient for filter the fluid to the convenience is protected inside machinery, thereby has prolonged the life of device, has avoided because inside contains impurity and the device wearing and tearing that lead to are serious.

2. This straight line conjugate crescent gear pump that wear resistance is good, through cavity, sealing washer, piston, threaded rod, thread piece and the back flow that sets up, can be so that the device is convenient for adjust the pressure of inside to the person of facilitating the use controls the flow of the pump body, thereby has promoted the practicality of device, the person of facilitating the use operation.

3. This conjugate crescent gear pump of straight line that wear resistance is good, through filter vat, spring, gag lever post, stopper, sleeve, snap ring, connecting plate, fly leaf, fixture block and the backup pad that sets up, can be so that the device is convenient for dismantle and install the filter vat to the convenience is cleared up it, has reduced staff's labour, has promoted the efficiency of clearance, thereby has promoted the suitability of device.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

fig. 4 is a front view of the present invention.

In the figure: 1. a motor base; 2. a motor; 3. a housing; 4. an outer gear; 5. an internal gear; 6. a crescent plate; 7. an input tube; 8. an output pipe; 9. a connecting pipe; 10. a cavity; 11. a seal ring; 12. a piston; 13. a threaded rod; 14. a thread block; 15. a return pipe; 16. a filter vat; 17. a spring; 18. a limiting rod; 19. a limiting block; 20. a sleeve; 21. a snap ring; 22. a connecting plate; 23. a movable plate; 24. a clamping block; 25. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a linear conjugate internal gear pump with good wear resistance comprises a motor base 1, a motor 2 is fixedly installed inside the motor base 1, a housing 3 is fixedly installed on the front surface of the motor base 1, an outer gear 4 is fixedly installed on an output shaft of the motor 2 through a coupling, an inner gear 5 is movably connected to the outer wall of the outer gear 4, a crescent 6 is fixedly installed on the front surface of the housing 3, the inner wall of the housing 3 is slidably connected to the inner wall of the outer gear 4, the outer wall of the crescent 6 is slidably connected to the inner wall of the outer gear 4, an input pipe 7 is fixedly installed on the outer wall of the housing 3, an output pipe 8 is fixedly installed on the outer wall of the housing 3, a connecting pipe 9 is fixedly installed on the outer wall of the housing 3, a cavity 10 is fixedly installed at one end of the connecting pipe 9, a sealing ring 11 is movably connected to the inner wall of the cavity 10, a piston 12 is fixedly installed on the inner wall of the sealing ring 11, a threaded rod 13 is fixedly mounted at the top of the piston 12, a threaded block 14 is fixedly mounted in the cavity 10, the outer wall of the threaded rod 13 is in threaded connection with the inner wall of the threaded block 14, the size of the piston 12 is matched with the size of the cavity 10, a return pipe 15 is fixedly mounted on one side of the cavity 10, one end of the return pipe 15 penetrates through the outer wall of the shell 3 and extends to the inner wall of the shell 3, one end of the connecting pipe 9 penetrates through the outer wall of the shell 3 and extends to the inner wall of the shell 3, and through the arranged cavity 10, a sealing ring 11, the piston 12, the threaded rod 13, the threaded block 14 and the return pipe 15, the device can conveniently adjust the internal pressure, so that a user can conveniently control the flow of a pump body, the practicability of the device is improved, and the operation of the user is convenient;

the inner wall of the input pipe 7 is movably connected with a filter barrel 16, the device can filter fluid conveniently through the arranged motor base 1, the motor 2, the shell 3, the outer gear 4, the inner gear 5, the crescent moon plate 6, the input pipe 7, the output pipe 8 and the filter barrel 16, so that the internal machinery is protected conveniently, the service life of the device is prolonged, serious abrasion of the device caused by impurities in the internal part is avoided, a spring 17 is fixedly arranged in the filter barrel 16, a limiting rod 18 is fixedly arranged in the filter barrel 16, a limiting block 19 is fixedly arranged on the outer wall of the limiting rod 18, the outer wall of the limiting block 19 is movably connected with a sleeve 20, one end of the limiting rod 18 penetrates through the outer wall of the sleeve 20 and extends to the inside of the sleeve 20, one end of the sleeve 20 is movably connected with the outer wall of the snap ring 21, a snap ring 21 is fixedly arranged at one end of the spring 17, the outer wall of the snap ring 21 is movably connected with two connecting plates 22, the two connecting plates 22 are symmetrically arranged by taking the vertical central line of the limiting block 19 as a symmetry axis, the outer wall of the connecting plate 22 is movably connected with a movable plate 23, the outer wall of the movable plate 23 is movably connected with a clamping block 24, the inner wall of the input pipe 7 is provided with a clamping groove, the inner wall of the clamping groove is movably connected with the outer wall of the clamping block 24, the outer wall of the movable plate 23 is movably connected with a supporting plate 25, the bottom of the supporting plate 25 is fixedly connected with the inner wall of the filter barrel 16, through the arrangement of the filter vat 16, the spring 17, the limiting rod 18, the limiting block 19, the sleeve 20, the snap ring 21, the connecting plate 22, the movable plate 23, the clamping block 24 and the supporting plate 25, the device is convenient to disassemble and assemble the filter vat 16, thereby conveniently clear up it, reduced staff's labour, promoted the efficiency of clearance to the suitability of device has been promoted.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the device is used, the motor 2 operates to enable the inner gear 5 to rotate, so that the outer gear 4 rotates on the inner wall of the shell 3, due to the arrangement of the crescent moon plates 6, the gap between the structures is small, internal gas flows through the rotation between the gears, so that suction is generated inside the shell 3, fluid enters the shell 3 through the input pipe 7 and the filter barrel 16 after being filtered, after the shell 3 is filled with the fluid, the rotation of the inner gear 5 and the outer gear 4 enables the fluid to flow out through the output pipe 8, when the flow is required to be reduced, the threaded rod 13 is screwed, so that the threaded rod 13 drives the piston 12 to ascend, the fluid can reach the cavity 10 through the connecting pipe 9, finally flows back to the inside of the shell 3 through the return pipe 15, the internal pressure is reduced, the flow is adjusted, and after the device is used for a period of time, the inner filter barrel 16 is cleaned, thereby pressure moves sleeve 20 and makes spring 17 compress, and sleeve 20's pressure makes snap ring 21 slide at the outer wall of gag lever post 18 to make snap ring 21 drive connecting plate 22 motion, connecting plate 22 pull-up one side of fly leaf 23, thereby make fixture block 24 and draw-in groove separation, take out filter vat 16, can make fixture block 24 and draw-in groove joint fixed through spring 17's elasticity during the installation.

To sum up, this sharp conjugation crescent gear pump that wear resistance is good can make the device be convenient for filter the fluid, thereby conveniently protect inside machinery, thereby the life of device has been prolonged, the device that has avoided leading to because inside contains impurity wearing and tearing seriously, the device is convenient for adjust the pressure of inside, thereby the person of facilitating the use controls the flow of the pump body, thereby the practicality of device has been promoted, the person of facilitating the use operates, the device is convenient for dismantle and install filter vat 16, thereby it is convenient to clear up it, staff's labour has been reduced, the efficiency of clearance has been promoted, thereby the suitability of device has been promoted.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a straight line conjugate crescent gear pump that wear resistance is good, includes motor cabinet (1), its characterized in that: the utility model discloses a motor for the automobile engine, including motor cabinet (1), the inside fixed mounting of motor cabinet (1) has motor (2), the positive fixed mounting of motor cabinet (1) has shell (3), the output shaft of motor (2) passes through shaft coupling fixed mounting and has outer gear (4), the outer wall swing joint of outer gear (4) has internal gear (5), the positive fixed mounting of shell (3) has crescent moon board (6), the outer wall fixed mounting of shell (3) has input tube (7), the outer wall fixed mounting of shell (3) has output tube (8), the outer wall fixed mounting of shell (3) has connecting pipe (9), the one end fixed mounting of connecting pipe (9) has cavity (10), the inner wall swing joint of cavity (10) has sealing washer (11), the inner wall fixed mounting of sealing washer (11) has piston (12), the top fixed mounting of piston (12) has threaded rod (13), a thread block (14) is fixedly arranged in the cavity (10), and a return pipe (15) is fixedly arranged on one side of the cavity (10);

the inner wall swing joint of input tube (7) has filter vat (16), the inside fixed mounting of filter vat (16) has spring (17), the inside fixed mounting of filter vat (16) has gag lever post (18), the outer wall fixed mounting of gag lever post (18) has stopper (19), the outer wall swing joint of stopper (19) is by sleeve (20), the one end fixed mounting of spring (17) has snap ring (21), the outer wall swing joint of snap ring (21) has connecting plate (22), the outer wall swing joint of connecting plate (22) has fly leaf (23), the outer wall swing joint of fly leaf (23) has fixture block (24), the outer wall swing joint of fly leaf (23) has backup pad (25), the bottom of backup pad (25) and the inner wall fixed connection of filter vat (16).

2. The linear conjugate internal gear pump with good wear resistance as claimed in claim 1, wherein: the inner wall of shell (3) and the inner wall sliding connection of outer gear (4), the outer wall of crescent moon board (6) and the inner wall sliding connection of outer gear (4).

3. The linear conjugate internal gear pump with good wear resistance as claimed in claim 1, wherein: the outer wall of the threaded rod (13) is in threaded connection with the inner wall of the threaded block (14), and the size of the piston (12) is matched with that of the cavity (10).

4. The linear conjugate internal gear pump with good wear resistance as claimed in claim 1, wherein: one end of the return pipe (15) penetrates through the outer wall of the shell (3) and extends to the inner wall of the shell (3), and one end of the connecting pipe (9) penetrates through the outer wall of the shell (3) and extends to the inner wall of the shell (3).

5. The linear conjugate internal gear pump with good wear resistance as claimed in claim 1, wherein: one end of the limiting rod (18) penetrates through the outer wall of the sleeve (20) and extends into the sleeve (20), and one end of the sleeve (20) is movably connected with the outer wall of the clamping ring (21).

6. The linear conjugate internal gear pump with good wear resistance as claimed in claim 1, wherein: the inner wall of the input pipe (7) is provided with a clamping groove, and the inner wall of the clamping groove is movably connected with the outer wall of the clamping block (24).

7. The linear conjugate internal gear pump with good wear resistance as claimed in claim 1, wherein: the number of the connecting plates (22) is two, and the two connecting plates (22) are symmetrically arranged by taking the vertical central line of the limiting block (19) as a symmetry axis.