CN220505303U - Ratchet wheel gear pump - Google Patents
Ratchet wheel gear pump Download PDFInfo
- Publication number
- CN220505303U CN220505303U CN202322212209.1U CN202322212209U CN220505303U CN 220505303 U CN220505303 U CN 220505303U CN 202322212209 U CN202322212209 U CN 202322212209U CN 220505303 U CN220505303 U CN 220505303U
- Authority
- CN
- China
- Prior art keywords
- wheel
- ratchet wheel
- driving
- driving shaft
- pawl
- Prior art date
- 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.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 210000004907 gland Anatomy 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a ratchet wheel gear pump, which comprises a runner arranged in a pump body, wherein the upper end and the lower end of the runner are both rotationally connected with a driving shaft, the outer wall of the driving shaft is provided with a groove, the inside of the groove is fixedly connected with a connecting seat, the top side of the connecting seat is provided with a groove, the inside of the groove is fixedly connected with an absorbing part, the absorbing part is magnetically connected with an inserting rod, the top side of the connecting seat is fixedly connected with a spring, the top side of the spring is connected with a pawl, the bottom side of the pawl is fixedly connected with the inserting rod, the inserting rod is positioned in the spring, the inserting rod is made of iron, the outer wall of the driving shaft is respectively sleeved with a driving wheel and a driven wheel, and ratchet wheel components are arranged between the driving shaft and the driving wheel; the ratchet wheel assembly comprises a ratchet wheel body with a fixed inner wall of the driving wheel, a pawl is arranged on the outer wall of the driving shaft, and the pawl is positioned at the bottom side of the ratchet wheel body. The device can realize the quick assembly disassembly of the driving wheel and the driven wheel, thereby being convenient for the staff to replace the worn driving wheel and driven wheel.
Description
Technical Field
The utility model relates to the technical field of gear pumps, in particular to a ratchet wheel gear pump.
Background
The gear pump is a rotary pump which conveys liquid or pressurizes the liquid by means of the change and movement of working volume formed between a pump cylinder and a meshing gear; when the gears rotate, the volume of the space at the disengaging side of the gears is changed from small to large to form vacuum, liquid is sucked in, the volume of the space at the engaging side of the gears is changed from large to small, and the liquid is extruded into the pipeline; the suction chamber is separated from the discharge chamber by the meshing line of the two gears.
At present, most of gear pump internal gears and driving shafts are fixed by adopting clamping, bolts and clamping pins, and the stable fixing requirement can be realized by adopting the mode, but the gear pump internal gears are easy to wear and need to be replaced frequently, so that the quick dismounting requirement cannot be met by adopting the mode, and the improvement is needed.
Disclosure of Invention
The utility model aims to provide a ratchet gear pump so as to solve the problem that the gear pump gear provided by the background art cannot be quickly assembled and disassembled.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the ratchet wheel gear pump comprises a runner arranged in a pump body, wherein the upper end and the lower end of the runner are both rotationally connected with a driving shaft, the outer wall of the driving shaft is respectively sleeved with a driving wheel and a driven wheel, and ratchet wheel components are arranged between the driving shaft and the driving wheel and between the driving shaft and the driven wheel;
the ratchet wheel assembly comprises a ratchet wheel body with a fixed inner wall of the driving wheel, a pawl is arranged on the outer wall of the driving shaft, and the pawl is positioned at the bottom side of the ratchet wheel body.
Preferably, the outer wall of the driving shaft is provided with a groove, a connecting seat is fixedly connected in the groove, a spring is fixedly connected to the top side of the connecting seat, and a pawl is connected to the top side of the spring.
Preferably, the pawl bottom side fixedly connected with inserted bar, the inserted bar is located inside the spring, and the material of inserted bar is iron.
Preferably, the top side of the connecting seat is provided with a groove, an absorbing part is fixedly connected in the groove, and the absorbing part is magnetically connected with the inserted rod.
Preferably, the inserted link is of a rectangular structure, and the adsorption piece is matched with the inserted link structure.
Preferably, a gap is reserved between the driving wheel and the driving shaft, and the rear end of the gap is connected with a gland.
Preferably, the bottom side of the driving wheel is connected with a driven wheel in a meshed manner, and the driven wheel and the driving wheel are identical in structure.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The device can realize the quick disassembly and assembly of the driving wheel and the driven wheel, thereby being convenient for the staff to replace the worn driving wheel and driven wheel.
(2) The ratchet wheel components are arranged between the driving shaft and the driving wheel and between the driving wheel and the driven wheel, the ratchet wheel body and the driving wheel and the driven wheel can be pushed by the pawl to normally rotate when the driving shaft rotates, and the pawl automatically contracts when the driving wheel and the driven wheel are required to be disassembled, so that the driving wheel and the driven wheel are in a movable state and can be extracted from the driving shaft, and the disassembly and assembly efficiency of the driving wheel and the driven wheel is improved.
(3) The device is characterized in that the inserting rod is arranged at the bottom side of the pawl, the absorbing part is arranged in the groove on the outer wall of the driving shaft, and the pawl is separated from the ratchet body when the absorbing part is absorbed by the inserting rod, so that the automatic control of the pawl is realized, and the dismounting efficiency is improved.
Drawings
FIG. 1 is a schematic illustration of a ratchet wheel gear pump of the present utility model;
FIG. 2 is an enlarged view of the ratchet wheel gear pump of the present utility model at A of FIG. 1;
fig. 3 is a top view of a connection block of a ratchet wheel gear pump of the present utility model.
In the figure: 1. a pump body; 2. a flow passage; 3. a driving wheel; 4. a ratchet assembly; 41. ratchet body; 42. a pawl; 43. a connecting seat; 44. a gland; 45. a rod; 46. a spring; 47. an absorbing member; 5. a drive shaft; 6. and (3) a driven wheel.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the ratchet wheel gear pump comprises a runner 2 arranged in a pump body 1, wherein driving shafts 5 are rotatably connected to the upper end and the lower end of the runner 2, grooves are formed in the outer walls of the driving shafts 5, connecting seats 43 are fixedly connected to the grooves, grooves are formed in the top sides of the connecting seats 43, absorbing pieces 47 are fixedly connected to the grooves, and the absorbing pieces 47 are electromagnet absorbing pieces 47 and are magnetically connected with inserting rods 45; the structure can control the adsorption and separation of the inserted link 45 by arranging the adsorption piece 47, thereby controlling the connection and separation of the pawl 42 and the ratchet body 41; the inserted link 45 has a rectangular structure, and the adsorption piece 47 is matched with the structure of the inserted link 45; the structure can prevent the inserted link 45 from moving inside the adsorbing piece 47 by arranging the inserted link 45; a spring 46 is fixedly connected to the top side of the connecting seat 43, and a pawl 42 is connected to the top side of the spring 46; in the structure, the spring 46 is arranged, the pawl 42 is supported at the bottom of the ratchet body 41 when the spring 46 is unfolded, and the pawl 42 is separated from the ratchet body 41 when the spring 46 is contracted; the outer wall of the driving shaft 5 is respectively sleeved with a driving wheel 3 and a driven wheel 6, a gap is reserved between the driving wheel 3 and the driving shaft 5, and the rear end of the gap is connected with a gland 44; the structure can play a limiting role on the driving wheel 3 by arranging the gland 44, so that the driving wheel 3 and the driving shaft 5 are prevented from being separated randomly; the bottom side of the driving wheel 3 is connected with a driven wheel 6 in a meshed manner, and the driven wheel 6 and the driving wheel 3 have the same structure; the driving wheel 3 can drive the driven wheel 6 to rotate when rotating, so as to realize the liquid conveying; a ratchet wheel component 4 is arranged between the driving shaft 5 and the driving wheel 3 and the driven wheel 6;
the ratchet assembly 4 comprises a ratchet body 41 fixed on the inner wall of the driving wheel 3, the ratchet body 41 is distributed at equal intervals in a circular ring shape relative to the inner wall of the driving wheel 3, pawls 42 are arranged on the outer wall of the driving shaft 5, inserting rods 45 are fixedly connected to the bottom sides of the pawls 42, the inserting rods 45 are positioned in springs 46, and the inserting rods 45 are made of iron; this structure is convenient to connect with the adsorbing member 47 by providing the inserting rod 45; the pawl 42 is positioned at the bottom side of the ratchet body 41; the driving shaft 5 drives the ratchet body 41 and the driving wheel 3 and the driven wheel 6 to normally rotate through the pawl 42 when rotating.
Working principle: when the ratchet wheel gear pump is used, the driving shaft 5 is driven by the motor to push the ratchet wheel body 41 on the inner side of the driving wheel 3 through the pawl 42, so that the driving wheel 3 and the ratchet wheel body 41 rotate, the driving wheel 3 drives the driven wheel 6 to rotate in a meshing manner in the rotating process, liquid is conveyed, when the driving wheel 3 and the driven wheel 6 need to be replaced, the pump body 1 is opened, the gland 44 is removed, the absorbing piece 47 is started, the absorbing piece 47 absorbs the inserting rod 45 to move downwards, the inserting rod 45 is inserted into the connecting seat 43 to be absorbed and fixed with the absorbing piece 47, at the moment, the pawl 42 is separated from the ratchet wheel body 41, then the driving wheel 3 can be moved backwards to remove the driving wheel 3 from the driving shaft 5, the driven wheel 6 is removed in the same manner as above, then a new driving wheel 3 and a new driven wheel 6 are sequentially inserted into the outer wall of the driving shaft 5, the absorbing piece 47 is closed, at the moment, the pawl 42 is reset under the support of the spring 46, the pawl 42 is connected with the ratchet wheel body 41, and the gland 44 is then installed between the driving wheel 3 and the driving shaft 5.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a ratchet wheel gear pump, includes that pump body (1) inside is provided with runner (2), its characterized in that: the upper end and the lower end of the runner (2) are respectively and rotatably connected with a driving shaft (5), the outer wall of the driving shaft (5) is respectively sleeved with a driving wheel (3) and a driven wheel (6), and ratchet wheel assemblies (4) are respectively arranged between the driving shaft (5) and the driving wheel (3) and between the driving wheel (6);
the ratchet wheel assembly (4) comprises a ratchet wheel body (41) with the inner wall of the driving wheel (3) fixed, a pawl (42) is arranged on the outer wall of the driving shaft (5), and the pawl (42) is positioned at the bottom side of the ratchet wheel body (41).
2. A ratchet wheel gear pump according to claim 1, wherein: the outer wall of the driving shaft (5) is provided with a groove, a connecting seat (43) is fixedly connected inside the groove, a spring (46) is fixedly connected to the top side of the connecting seat (43), and a pawl (42) is connected to the top side of the spring (46).
3. A ratchet wheel gear pump according to claim 1, wherein: the pawl (42) bottom side fixedly connected with inserted bar (45), inserted bar (45) are located inside spring (46), and the material of inserted bar (45) is iron.
4. A ratchet wheel gear pump according to claim 2, wherein: the top side of the connecting seat (43) is provided with a groove, an absorbing piece (47) is fixedly connected in the groove, and the absorbing piece (47) is magnetically connected with the inserting rod (45).
5. A ratchet wheel gear pump according to claim 3, wherein: the inserted link (45) is of a rectangular structure, and the absorption part (47) is matched with the inserted link (45) in structure.
6. A ratchet wheel gear pump according to claim 1, wherein: a gap is reserved between the driving wheel (3) and the driving shaft (5), and the rear end of the gap is connected with a gland (44).
7. A ratchet wheel gear pump according to claim 1, wherein: the bottom side of the driving wheel (3) is connected with a driven wheel (6) in a meshed manner, and the driven wheel (6) and the driving wheel (3) are identical in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212209.1U CN220505303U (en) | 2023-08-17 | 2023-08-17 | Ratchet wheel gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212209.1U CN220505303U (en) | 2023-08-17 | 2023-08-17 | Ratchet wheel gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505303U true CN220505303U (en) | 2024-02-20 |
Family
ID=89870346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322212209.1U Active CN220505303U (en) | 2023-08-17 | 2023-08-17 | Ratchet wheel gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505303U (en) |
-
2023
- 2023-08-17 CN CN202322212209.1U patent/CN220505303U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |