CN216741981U - Wear-resisting type gear pump with good lubricating effect - Google Patents
Wear-resisting type gear pump with good lubricating effect Download PDFInfo
- Publication number
- CN216741981U CN216741981U CN202123304340.8U CN202123304340U CN216741981U CN 216741981 U CN216741981 U CN 216741981U CN 202123304340 U CN202123304340 U CN 202123304340U CN 216741981 U CN216741981 U CN 216741981U
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- China
- Prior art keywords
- wear
- sealing
- gear pump
- ball
- lubricating
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 63
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 33
- 239000010439 graphite Substances 0.000 claims abstract description 33
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 238000005461 lubrication Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 35
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a wear-resistant gear pump with good lubricating effect, which comprises a sealing shell and a front cover shell, wherein the left side of the sealing shell is connected with an oil inlet pipe, the bottom of the oil inlet pipe is provided with an oil outlet pipe, and the right side of the sealing shell is fixedly provided with the front cover shell; further comprising: the connecting disc is arranged on the outer side of the front cover shell, a lubricating ball is arranged in the connecting disc, a graphite block is arranged on the side of the lubricating ball, and a connecting shaft is connected to the outer side of the graphite block; and the rotating gear is fixedly connected to the end part of the connecting shaft, and the outer side of the rotating gear is connected with a sealing ball. The wear-resistant gear pump with the good lubricating effect utilizes the lubricating balls nested in the connecting disc, the lubricating balls are arranged at equal angles, the outer surfaces of the lubricating balls are connected with the connecting shaft, friction when the connecting shaft rotates is reduced, and the outer surface of the connecting shaft is uniformly sprayed with the wear-resistant coating, so that the wear resistance of the wear-resistant gear pump is improved.
Description
Technical Field
The utility model relates to the technical field of gear pumps, in particular to a wear-resistant gear pump with a good lubricating effect.
Background
The gear pump is a rotary pump for conveying liquid by means of the change and movement of working volume formed between a pump cylinder and a meshing gear, the rotating speed of the gear pump is influenced by different media, and when the conveyed media are oils, the gear pump can be rotated at a high rotating speed.
Present traditional gear pump still has certain not enough in the lubrication to the drive shaft, when the drive shaft is great with the friction of connecting the casing, can exert an influence to the rotational speed of gear pump, can produce certain heat simultaneously, and then exert an influence to gear pump life.
To the existing problem, it is urgently needed to innovate on the basis of the original gear pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wear-resistant gear pump with good lubricating effect, which aims to overcome the defects of the prior art that the lubrication of a driving shaft is insufficient, when the friction between the driving shaft and a connecting shell is large, the rotating speed of the gear pump is influenced, and meanwhile, a certain amount of heat is generated, so that the service life of the gear pump is influenced.
In order to achieve the purpose, the utility model provides the following technical scheme: a wear-resistant gear pump with good lubricating effect comprises a sealing shell and a front cover shell, wherein the left side of the sealing shell is connected with an oil inlet pipe, the bottom of the oil inlet pipe is provided with an oil outlet pipe, and the right side of the sealing shell is fixedly provided with the front cover shell;
further comprising:
the connecting disc is arranged on the outer side of the front cover shell, a lubricating ball is arranged in the connecting disc, a graphite block is arranged on the side of the lubricating ball, and a connecting shaft is connected to the outer side of the graphite block;
and the rotating gear is fixedly connected to the end part of the connecting shaft, the outer side of the rotating gear is connected with a sealing ball, and the outer side of the sealing ball is connected with a connecting block.
Preferably, the lubricating balls are arranged inside the connecting disc in an embedded mode, the lubricating balls are arranged in an equal angle mode relative to the circle center of the connecting shaft, the wear-resistant coating is sprayed on the outer portion of the connecting shaft, the lubricating balls are arranged in the connecting disc in an embedded mode, the lubricating balls are arranged in an equal angle mode, the outer surface of each lubricating ball is connected with the connecting shaft, friction when the connecting shaft rotates is reduced, the wear-resistant coating is uniformly sprayed on the outer surface of the connecting shaft, and the wear-resistant performance of the connecting shaft is improved.
Preferably, the graphite block is the setting of equidistance about the centre of a circle of connecting axle, and the surface of graphite block laminates with the surface of connecting axle each other to the longitudinal section of graphite block is "T" font structure setting, utilizes the graphite block that the connecting axle outside set up, and graphite block and connecting axle laminate mutually, and the equidistance of graphite block is provided with a plurality ofly, when the connecting axle rotates, can contact with the graphite block, and the graphite block has lubricated effect, further improves the lubricating property of gear pump.
Preferably, the inside of connecting block is run through there is the gag lever post, and the outer wall connection of connecting block has connecting spring to connecting spring's tip fixedly connected with connecting seat is the bolt fastening between connecting seat and the seal shell simultaneously.
Preferably, the outer surfaces of the sealing balls and the outer surface of the connecting block are attached to each other, the sealing balls are nested in the sealing shell, the sealing balls are connected with the rotating gear by utilizing the plurality of sealing balls nested in the sealing shell, and when the rotating gear rotates, the sealing balls are pushed to move up and down.
Preferably, the connecting block forms an elastic telescopic structure with the connecting seat through a limiting rod and a connecting spring, the connecting spring is in welded connection with the connecting block, the limiting rod is symmetrically arranged about the central axis of the connecting block, the connecting block outside the sealing ball is driven to move when the sealing ball moves outwards, the connecting spring and the limiting rod are arranged between the connecting block and the connecting seat, the connecting block is driven to elastically move up and down by the arrangement of the connecting spring, the limiting rod is used for limiting the movement of the connecting block, when the sawtooth of the rotating gear is connected with the sealing ball, the sealing ball is driven to move outwards to allow the medium oil in the oil cavity on the left side of the sealing shell to flow out from the gap of the sealing ball, when the sawtooth of the rotating gear is separated from the sealing ball, the connecting spring drives the sealing ball to reset to seal the oil circuit, so that the medium oil normally flows when the gear pump rotates, when the device is stopped, the medium oil is sealed and blocked.
Compared with the prior art, the utility model has the beneficial effects that:
1. the wear-resistant gear pump with good lubricating effect is provided with a plurality of lubricating balls, the lubricating balls are embedded in the connecting disc, the lubricating balls are arranged at equal angles, the outer surfaces of the lubricating balls are connected with the connecting shaft to reduce friction when the connecting shaft rotates, and the outer surface of the connecting shaft is uniformly sprayed with a wear-resistant coating to improve the wear resistance of the wear-resistant gear pump;
2. this lubricated effectual wear-resisting type gear pump is provided with sealed ball, utilize coupling spring's setting, let the connecting block carry out elastic motion from top to bottom, and use the gag lever post, it is spacing to the motion of connecting block, when the sawtooth of running gear links to each other with sealed ball, drive sealed ball outwards movement, let the medium oil of oil intracavity flow from the gap of sealed ball department, when the running gear sawtooth separates with sealed ball, coupling spring drives sealed ball and resets, come to seal the oil circuit, medium oil normally circulates when realizing the gear pump rotation, when stopping, come to seal the effect of blocking to medium oil.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the internal structure of the sealed housing of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the connection structure of the connecting shaft and the lubricating balls of the present invention;
FIG. 6 is a side view of the connecting structure of the rotating gear and the sealing ball according to the present invention.
In the figure: 1. sealing the housing; 2. an oil inlet pipe; 3. an oil outlet pipe; 4. a front cover housing; 5. a connecting disc; 6. lubricating the balls; 7. graphite blocks; 8. a connecting shaft; 9. a rotating gear; 10. sealing the ball; 11. connecting blocks; 12. a limiting rod; 13. a connecting spring; 14. a connecting seat.
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. 1-6, the present invention provides a technical solution: a wear-resistant gear pump with good lubricating effect comprises a sealing shell 1 and a front cover shell 4, wherein the left side of the sealing shell 1 is connected with an oil inlet pipe 2, the bottom of the oil inlet pipe 2 is provided with an oil outlet pipe 3, and the right side of the sealing shell 1 is fixedly provided with the front cover shell 4; further comprising: the connecting disc 5 is arranged on the outer side of the front cover shell 4, a lubricating ball 6 is arranged in the connecting disc 5, a graphite block 7 is arranged on the side of the lubricating ball 6, and a connecting shaft 8 is connected to the outer side of the graphite block 7; the lubricating balls 6 are nested inside the connecting disc 5, the lubricating balls 6 are arranged in an equal angle mode relative to the circle center of the connecting shaft 8, the wear-resistant coating is sprayed on the outer portion of the connecting shaft 8, the lubricating balls 6 nested inside the connecting disc 5 are utilized, the lubricating balls 6 are arranged in an equal angle mode, the outer surface of each lubricating ball 6 is connected with the connecting shaft 8, friction when the connecting shaft 8 rotates is reduced, the wear-resistant coating is uniformly sprayed on the outer surface of the connecting shaft 8, and the wear-resistant performance of the connecting shaft is improved;
the graphite blocks 7 are arranged at equal angles relative to the circle center of the connecting shaft 8, the outer surface of each graphite block 7 is attached to the outer surface of the connecting shaft 8, the longitudinal section of each graphite block 7 is arranged in a T-shaped structure, the graphite blocks 7 arranged on the outer side of the connecting shaft 8 are utilized, the graphite blocks 7 are attached to the connecting shaft 8, a plurality of graphite blocks 7 are arranged at equal angles, and can be contacted with the graphite blocks 7 when the connecting shaft 8 rotates, the graphite blocks 7 have a lubricating effect, and the lubricating performance of the gear pump is further improved;
the rotating gear 9 is fixedly connected to the end of the connecting shaft 8, the outer side of the rotating gear 9 is connected with a sealing ball 10, and the outer side of the sealing ball 10 is connected with a connecting block 11; a limiting rod 12 penetrates through the inside of the connecting block 11, a connecting spring 13 is connected to the outer wall of the connecting block 11, a connecting seat 14 is fixedly connected to the end of the connecting spring 13, and meanwhile, the connecting seat 14 and the sealing shell 1 are fixed through bolts; the outer surface of the sealing ball 10 is mutually attached to the outer surface of the connecting block 11, and the sealing ball 10 is nested in the sealing shell 1; the connecting block 11 forms an elastic telescopic structure with the connecting seat 14 through a limiting rod 12 and a connecting spring 13, the connecting spring 13 is connected with the connecting block 11 in a welding manner, the limiting rod 12 is symmetrically arranged relative to the central axis of the connecting block 11, a plurality of sealing balls 10 nested in the sealing shell 1 are utilized, the sealing balls 10 are connected with the rotating gear 9, when the rotating gear 9 rotates, the sealing balls 10 can be pushed to move up and down, when the sealing balls 10 move outwards, the connecting block 11 outside the sealing balls 10 is driven to move, the connecting spring 13 and the limiting rod 12 are arranged between the connecting block 11 and the connecting seat 14, the connecting block 11 is driven to elastically move up and down by utilizing the arrangement of the connecting spring 13, the limiting rod 12 is used for limiting the movement of the connecting block 11, when the sawteeth of the rotating gear 9 are connected with the sealing balls 10, the sealing balls 10 are driven to move outwards, let the gap outflow of the medium oil in the sealed housing 1 left side oil cavity from sealed ball 10 department, when 9 sawtooth of slewing gear and sealed ball 10 separation, coupling spring 13 drives connecting block 11 and sealed ball 10 and resets, comes to seal the oil circuit gap, and medium oil normally circulates when realizing the gear pump rotation, when stopping, comes to seal the effect of blocking to medium oil.
The working principle is as follows: when the wear-resistant gear pump with good lubricating effect is used, according to the figures 1-6, firstly, medium oil enters from the left oil inlet pipe 2 of the seal shell 1, and flows into an oil cavity inside the left side of the sealed shell 1, the right side of the sealed shell 1 is fixedly connected with a front cover shell 4 and a connecting disc 5, a plurality of lubricating balls 6 are arranged at equal angles by utilizing the lubricating balls 6 nested inside the connecting disc 5, the outer surface of the lubricating ball 6 is connected with the connecting shaft 8 to reduce the friction when the connecting shaft 8 rotates, and the outer surface of the connecting shaft 8 is evenly sprayed with a wear-resistant coating to improve the wear resistance, and the graphite blocks 7 arranged outside the connecting shaft 8 are utilized, the graphite blocks 7 are jointed with the connecting shaft 8, and a plurality of graphite blocks 7 are arranged at equal angles, when the connecting shaft 8 rotates, the connecting shaft can be contacted with the graphite block 7, and the graphite block 7 has a lubricating effect, so that the lubricating performance of the gear pump is further improved;
when the connecting shaft 8 rotates, the rotating gear 9 is driven to rotate, a plurality of sealing balls 10 nested in the sealing shell 1 are utilized, the sealing balls 10 are connected with the rotating gear 9, when the rotating gear 9 rotates, the sealing balls 10 are pushed to move up and down, when the sealing balls 10 move outwards, the connecting block 11 outside the sealing balls 10 is driven to move, a connecting spring 13 and a limiting rod 12 are arranged between the connecting block 11 and a connecting seat 14, the connecting block 11 elastically moves up and down by utilizing the arrangement of the connecting spring 13, the limiting rod 12 is used for limiting the movement of the connecting block 11, when the sawteeth of the rotating gear 9 are connected with the sealing balls 10, the sealing balls 10 are driven to move outwards, medium oil in an oil cavity on the left side of the sealing shell 1 flows out from gaps at the sealing balls 10, and the rotation of the rotating gear 9 is utilized for conveying the medium oil, let medium oil from going out oil pipe 3 discharge, when 9 sawtooth of rotating gear and sealed ball 10 separation, connecting spring 13 drives connecting block 11 and sealed ball 10 and resets, comes to seal the oil circuit gap, and medium oil normally circulates when realizing the gear pump rotation, when stopping, comes to seal the effect of blocking to medium oil.
Those not described in detail in this specification are well within the skill of the art.
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 (6)
1. A wear-resistant gear pump with good lubricating effect comprises a sealing shell (1) and a front cover shell (4), wherein the left side of the sealing shell (1) is connected with an oil inlet pipe (2), the bottom of the oil inlet pipe (2) is provided with an oil outlet pipe (3), and the right side of the sealing shell (1) is fixedly provided with the front cover shell (4);
it is characterized by also comprising:
the connecting disc (5) is arranged on the outer side of the front cover shell (4), a lubricating ball (6) is arranged in the connecting disc (5), a graphite block (7) is arranged on the side of the lubricating ball (6), and a connecting shaft (8) is connected to the outer side of the graphite block (7);
and the rotating gear (9) is fixedly connected to the end part of the connecting shaft (8), the outer side of the rotating gear (9) is connected with a sealing ball (10), and the outer side of the sealing ball (10) is connected with a connecting block (11).
2. A wear-resistant gear pump with good lubrication according to claim 1, wherein: the lubricating ball (6) is arranged inside the connecting disc (5) in a nested mode, the lubricating ball (6) is arranged at an equal angle relative to the circle center of the connecting shaft (8), and a wear-resistant coating is sprayed on the outer portion of the connecting shaft (8).
3. A wear-resistant gear pump with good lubrication according to claim 1, wherein: the graphite blocks (7) are arranged at equal angles relative to the circle center of the connecting shaft (8), the outer surfaces of the graphite blocks (7) and the outer surface of the connecting shaft (8) are mutually attached, and the longitudinal section of each graphite block (7) is arranged in a T-shaped structure.
4. A wear-resistant gear pump with good lubrication according to claim 1, wherein: the utility model discloses a sealing shell, including connecting block (11), connecting block (11) and sealed casing (1), the inside of connecting block (11) is run through and is had gag lever post (12), and the outer wall of connecting block (11) is connected with connecting spring (13) to the tip fixedly connected with connecting seat (14) of connecting spring (13), be bolt fastening between connecting seat (14) and sealed casing (1) simultaneously.
5. A wear-resistant gear pump with good lubrication according to claim 4, wherein: the outer surface of the sealing ball (10) is attached to the outer surface of the connecting block (11), and the sealing ball (10) is nested in the sealing shell (1).
6. A wear-resistant gear pump with good lubrication according to claim 1, wherein: connecting block (11) constitute elastic telescopic structure through gag lever post (12) and connecting spring (13) and connecting seat (14), and be welded connection between connecting spring (13) and connecting block (11) to gag lever post (12) sets up about the axis symmetry of connecting block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123304340.8U CN216741981U (en) | 2021-12-27 | 2021-12-27 | Wear-resisting type gear pump with good lubricating effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123304340.8U CN216741981U (en) | 2021-12-27 | 2021-12-27 | Wear-resisting type gear pump with good lubricating effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216741981U true CN216741981U (en) | 2022-06-14 |
Family
ID=81938344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123304340.8U Expired - Fee Related CN216741981U (en) | 2021-12-27 | 2021-12-27 | Wear-resisting type gear pump with good lubricating effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216741981U (en) |
-
2021
- 2021-12-27 CN CN202123304340.8U patent/CN216741981U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |