CN222162913U - Combined stable duplex gear pump - Google Patents
Combined stable duplex gear pump Download PDFInfo
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- CN222162913U CN222162913U CN202420804263.7U CN202420804263U CN222162913U CN 222162913 U CN222162913 U CN 222162913U CN 202420804263 U CN202420804263 U CN 202420804263U CN 222162913 U CN222162913 U CN 222162913U
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Abstract
本实用新型公开了一种组合式稳定型双联齿轮泵，涉及双联齿轮泵技术领域，该双联齿轮泵包括泵体，所述泵体动力输入端与动力输入轴连接，所述动力输入轴与泵体外壳通过轴承连接，所述泵体和润滑箱之间通过滑动机构连接，所述润滑箱内部设有用于为轴承提供润滑油液的泵油机构，所述泵油机构包括固定在润滑箱外侧的油缸，所述油缸的进油端与第一输油管连通，所述第一输油管另一端与储油箱连通，所述储油箱设在润滑箱内部上端位置，所述储油箱下端设有出油口。本实用新型通过组合在泵体上的泵油机构给齿轮泵动力输入端轴承加油润滑，使得双联齿轮泵可以长时间稳定运转，实用性强。
The utility model discloses a combined stable double gear pump, which relates to the technical field of double gear pumps. The double gear pump includes a pump body, wherein the power input end of the pump body is connected to the power input shaft, the power input shaft is connected to the pump body shell through a bearing, the pump body and the lubrication box are connected through a sliding mechanism, the lubrication box is provided with an oil pumping mechanism for providing lubricating oil to the bearing, the oil pumping mechanism includes an oil cylinder fixed to the outside of the lubrication box, the oil inlet end of the oil cylinder is connected to a first oil delivery pipe, the other end of the first oil delivery pipe is connected to an oil storage tank, the oil storage tank is arranged at the upper end of the lubrication box, and an oil outlet is arranged at the lower end of the oil storage tank. The utility model lubricates the bearing of the power input end of the gear pump by the oil pumping mechanism combined on the pump body, so that the double gear pump can operate stably for a long time, and has strong practicality.
Description
Technical Field
The utility model relates to the technical field of duplex gear pumps, in particular to a combined stable duplex gear pump.
Background
The duplex gear pump is generally composed of a large-displacement low-pressure gear pump and a small-displacement high-pressure gear pump, so that efficient pumping of fluid can be realized, but the existing duplex gear pump still has some defects, when the existing duplex gear pump operates, a bearing at a power input end of the existing duplex gear pump can bear a large load, if the existing duplex gear pump operates for a long time, the problem that the bearing performance of the bearing is reduced or even burnt due to insufficient lubrication exists, and the production efficiency can be greatly influenced.
Based on the above, a combined stable duplex gear pump is provided, and the defects existing in the prior device can be eliminated.
Disclosure of utility model
The utility model aims to provide a combined stable duplex gear pump which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a combination stable form duplex gear pump, includes the pump body, pump body power input end is connected with the power input axle, the power input axle passes through the bearing with the pump body shell and is connected.
Based on the technical scheme, the utility model also provides the following optional technical schemes:
In an alternative scheme, the pump body is connected with the lubrication box through a sliding mechanism, and an oil pumping mechanism for providing lubricating oil for the bearing is arranged inside the lubrication box.
In an alternative scheme, the oil pumping mechanism comprises an oil cylinder fixed on the outer side of a lubricating box, the oil inlet end of the oil cylinder is communicated with a first oil delivery pipe, the other end of the first oil delivery pipe is communicated with an oil storage box, the oil storage box is arranged at the upper end position inside the lubricating box, the lower end of the oil storage box is provided with an oil outlet, the upper top of the oil storage box is provided with an oil tank cover, the oil outlet end of the oil cylinder is communicated with a second oil delivery pipe, an oil inlet one-way valve for unidirectional oil inlet is arranged in the first oil delivery pipe, an oil outlet one-way valve for unidirectional oil outlet is arranged in the second oil delivery pipe, the other end of the second oil delivery pipe is communicated with a lower oil guide hole, the lower oil guide hole is communicated with an oil storage cavity, the oil storage cavity is communicated with an upper oil guide hole, the oil storage cavity is communicated with a bearing, the top of the upper oil guide hole is provided with a piston in a sliding fit mode, the outer side of the piston is connected with a piston, the outer end of the piston is connected with a top head, the cylinder opening is connected with a cylinder cover, a perforated top spring is arranged in the middle position of the side of the first oil delivery pipe, the side face of the cylinder cover is provided with a connecting rod, and the top spring penetrates through the top cover, and the top cover is arranged between the side face of the cylinder cover and the cylinder cover.
In an alternative scheme, the transmission assembly comprises a first rotating shaft and a second rotating shaft which are rotatably connected with the inside of the lubrication box, the second rotating shaft and the first rotating shaft are parallel to the power input shaft, the second rotating shaft is arranged above the first rotating shaft, a first driven large gear and a driven small gear are coaxially arranged on the first rotating shaft, a power input gear is coaxially arranged at a position, corresponding to the first driven large gear, on the power input shaft, a second driven large gear and a power output cam are coaxially arranged on the second rotating shaft, the second driven large gear is meshed with the driven small gear, the power output cam is in contact with the top head, the outside of the lubrication box is connected with a pressing unit for driving the lubrication box to slide up and down, the first driven large gear and the power input gear are in a separated state in an initial state, and the power input gear and the first driven large gear are in contact under the action of the pressing unit, so that power transmission is completed.
In an alternative scheme, the pressing unit comprises a fixed seat arranged on the outer side of the pump body, a spring fixing column is arranged at the right end of the fixed seat, the spring fixing column is connected with one end of a pull rod spring, the other end of the pull rod spring is connected with a through hole, a second sliding groove is formed in the pull rod where the through hole is formed, the second sliding groove is in sliding connection with the fixing column, the fixing column is connected on the outer side of the lubrication box, the pull rod is rotatably connected with a pull rod rotating shaft, and the pull rod rotating shaft is fixed between the upper end of the fixed seat and the pump body shell.
In an alternative scheme, the sliding mechanism comprises a first sliding groove arranged on a pump shell of the pump body, and a sliding rail matched with the first sliding groove is arranged on the lubricating box shell.
In an alternative scheme, the center position of the right side surface of the plug is in sliding contact with the outer curved surface of the power output cam.
In an alternative, the lower end of the lubrication box is of an open design.
In an alternative scheme, the lower end face of the spring fixing column is provided with a groove.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, the pressing unit drives the lubrication box connected with the pump body through the sliding mechanism to slide downwards, so that the transmission assembly is in contact with the power input shaft, the transmission assembly drives the oil cylinder to work, the oil cylinder conveys lubricating oil to the lubrication cavity at the bearing position through the second oil conveying pipe and the lower oil guide hole, and the bearing at the power input end of the duplex gear pump is lubricated, so that the duplex gear pump can continuously and stably run.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged view of a portion of B of fig. 1 in accordance with the present utility model.
Fig. 3 is a schematic structural view of a sliding mechanism according to the present utility model.
Fig. 4 is a schematic diagram of a transmission assembly according to the present utility model.
Fig. 5 is an enlarged view of a portion of fig. 4 a in accordance with the present utility model.
Fig. 6 is a schematic structural diagram of the oil cylinder of the present utility model.
Reference numerals are annotated as 100, lubrication box, 101, power input gear, 102, first driven gear, 103, driven pinion, 104, second driven gear, 105, power output cam, 106, second rotating shaft, 107, first rotating shaft, 200, oil cylinder, 201, piston, 202, piston connecting rod, 203, connecting rod spring, 204, top head, 205, oil inlet check valve, 206, oil outlet check valve, 207, first oil delivery pipe, 208, second oil delivery pipe, 209, lower oil guide hole, 210, upper oil guide hole, 211, oil storage cavity, 212, oil outlet hole, 213, oil cylinder cover, 300, oil storage box, 301, oil outlet, 302, oil tank cover, 400, fixing seat, 401, spring fixing column, 402, pull rod rotating shaft, 403, pull rod, 404, fixing column, 405, second sliding groove, 406, pull rod spring, 407, first sliding groove, 408, sliding rail, 409, perforation, 500, pump body, 501, bearing, 502, power input shaft.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
Examples
In one embodiment, as shown in fig. 1-6, a combined stable duplex gear pump comprises a pump body 500, wherein a power input end of the pump body 500 is connected with a power input shaft 502, and the power input shaft 502 is connected with a shell of the pump body 500 through a bearing 501;
In this embodiment, the pump body 500 and the lubrication box 100 are connected by a sliding mechanism, and an oil pumping mechanism for providing lubrication oil for the bearing 501 is arranged inside the lubrication box 100;
In one embodiment, as shown in fig. 4-6, the oil pumping mechanism comprises an oil cylinder 200 fixed on the outer side of the lubrication box 100, the oil inlet end of the oil cylinder 200 is communicated with a first oil delivery pipe 207, the other end of the first oil delivery pipe 207 is communicated with an oil storage tank 300, the oil storage tank 300 is arranged at the upper end position inside the lubrication box 100, the lower end of the oil storage tank 300 is provided with an oil outlet 301, the upper top of the oil storage tank 300 is provided with an oil tank cover 302, the oil outlet end of the oil cylinder 200 is communicated with a second oil delivery pipe 208, the first oil delivery pipe 207 is provided with an oil inlet one-way valve 205 for one-way oil inlet, the second oil delivery pipe 208 is provided with an oil outlet one-way valve 206 for one-way oil outlet, the other end of the second oil delivery pipe 208 is communicated with a lower oil guide hole 209, the lower oil guide hole 209 is communicated with an oil storage cavity 211, the oil storage cavity 211 is communicated with an upper oil guide hole 210, and the oil storage cavity 211 is communicated with a bearing 501, an oil outlet 212 is arranged at the top of the upper oil guide hole 210, a piston 201 is slidingly matched in the oil cylinder 200, the outer side of the piston 201 is connected with a piston connecting rod 202, the outer end of the piston connecting rod 202 is connected with a plug 204, the cylinder opening of the oil cylinder 200 is connected with an oil cylinder cover 213, a perforation is arranged in the middle of the side surface of the oil cylinder cover 213, the piston connecting rod 202 penetrates through the side surface perforation of the oil cylinder cover 213, a connecting rod spring 203 is arranged between the plug 204 and the oil cylinder cover 213, a transmission assembly for intermittently pushing the plug 204 to move is arranged in the lubricating box 100, the transmission assembly intermittently pushes the plug 204, the plug 204 moves together with the piston connecting rod 202 and the piston 201 into the oil cylinder 200, the space in the cylinder is compressed, lubricating oil is extruded into a second oil delivery pipe 208 under the action of an oil inlet one-way valve 205, the lubricating oil enters an oil storage cavity 211 through the second oil delivery pipe 208 and a lower oil guide hole 209, the lubricating oil in the oil storage cavity 211 is contacted with a bearing 501, the lubricating effect is achieved, the excessive lubricating oil enters the upper oil guide hole 210 from the oil storage cavity 211 under the action of oil pressure, is discharged through the oil outlet 212 at the top of the upper oil guide hole 210, and after the oil cylinder 200 presses out the lubricating oil once, the piston 201 is reset under the action of the connecting rod spring 203 and the lubricating oil is sucked into the oil cylinder 200 from the oil storage tank 300 through the first oil delivery pipe 207 under the action of the oil outlet check valve 206;
In one embodiment, as shown in fig. 4, the transmission assembly includes a second rotating shaft 106 and a first rotating shaft 107 rotatably connected to the inside of the lubrication box 100, the second rotating shaft 106 and the first rotating shaft 107 are parallel to the power input shaft 502, the second rotating shaft 106 is disposed above the first rotating shaft 107, a first driven large gear 102 and a driven small gear 103 are coaxially disposed on the first rotating shaft 107, a power input gear 101 is coaxially disposed on a position corresponding to the first driven large gear 102 on the power input shaft 502, a second driven large gear 104 and a power output cam 105 are coaxially disposed on the second rotating shaft 106, the second driven large gear 104 is meshed with the driven small gear 103, the power output cam 105 is in contact with the top head 204, the outside of the lubrication box 100 is connected to a pressing unit for driving the lubrication box to slide up and down, in an initial state, the first driven large gear 102 is in a separated state with the power input gear 101, under the action of the pressing unit, the power input gear 101 is in contact with the first driven large gear 102, the power input gear 101 drives the first driven large gear 102 to rotate, the second driven large gear 104 drives the first driven large gear 102 to rotate, and the second driven large gear 104 drives the first driven large gear 104 to rotate intermittently through the second driven large gear 104, and the second driven large gear 104 drives the second driven large gear 104 to rotate, and the second driven large gear 104 rotates intermittently through the first driven large gear 104;
In one embodiment, as shown in fig. 1 and fig. 2, the pressing unit includes a fixing base 400 disposed on the outer side of the pump body 500, a spring fixing column 401 is disposed at the right end of the fixing base 400, the spring fixing column 401 is connected to one end of a pull rod spring 406, the other end of the pull rod spring 406 is connected to a through hole 409, a second sliding groove 405 is disposed on the pull rod 403 where the through hole 409 is located, the second sliding groove 405 is slidably connected to the fixing column 404, the fixing column 404 is connected to the outer side of the lubrication box 100, the pull rod 403 is rotatably connected to the pull rod rotating shaft 402, the pull rod rotating shaft 402 is fixed between the upper end of the fixing base 400 and the casing of the pump body 500, in an initial state, the pull rod 403 is in a lifted state under the tension of the pull rod spring 406, by pressing the pull rod 403, the pull rod 403 rotates around the pull rod rotating shaft 402, the second sliding groove 405 on the pull rod 403 generates a downward force on the fixing column 404 on the lubrication box 100, and the lubrication box 100 slides downward under the participation of the sliding mechanism;
In one embodiment, as shown in fig. 3, the sliding mechanism includes a first chute 407 provided on a pump housing of the pump body 500, and a sliding rail 408 matched with the first chute 407 is provided on a housing of the lubrication box 100, so that the lubrication box 100 can be ensured to slide smoothly in a vertical direction of the pump body 500;
In one embodiment, as shown in fig. 6, the center position of the right side surface of the plug 204 is in sliding contact with the outer curved surface of the power output cam 105, so that the thrust force received by the plug 204 is concentrated in the horizontal direction more, and the smoothness of the piston 201 during movement is improved.
Examples
In one embodiment, as shown in fig. 6, the lower end of the lubrication box 100 is of an open design, and the lubrication box 100 does not interfere with the rotation of the power input shaft 502 when sliding upwards;
In one embodiment, as shown in fig. 2, a groove is formed on the lower end surface of the spring fixing post 401, so as to prevent the pull rod spring 406 from falling off the spring fixing post 401 in use.
The above embodiment discloses a combined stable duplex gear pump, wherein in an initial state, the first driven large gear 102 and the power input gear 101 are in a separated state, at this time, the oil pumping mechanism does not work, when the pull rod 403 is pulled down, the pull rod 403 drives the lubrication box 100 to slide downwards, the first driven large gear 102 is meshed with the power input gear 101, a part of the power input shaft 502 is transmitted to the power output cam 105 through the transmission component, the power output cam 105 can intermittently push the top head 204 when rotating, the top head 204 moves along with the piston connecting rod 202 and the piston 201 into the oil cylinder 200, meanwhile, the connecting rod spring 203 is compressed, the lubricating oil in the oil cylinder 200 can only enter the oil storage cavity 211 through the second oil delivery pipe 208 and the lower oil guide hole 209 under the action of the oil inlet check valve 205 on the first oil delivery pipe 207, the lubricating effect is achieved by the contact between the lubricating oil in the oil storage cavity 211 and the bearing 501, the redundant lubricating oil is discharged through the oil outlet hole 212 at the top of the upper oil guide hole 210, the piston 201 is reset under the action of the connecting rod spring 203 in the discontinuous period, the piston 201 can intermittently push the power output cam, the lubricating effect is achieved by the oil delivery valve 206 on the second oil delivery pipe 208, the oil delivery valve 206 can be separated from the first oil delivery pipe 207 through the oil delivery valve 101 when the first oil delivery pipe 207 is in a reciprocating state, the lubricating effect is achieved, and the lubricating effect is achieved by the sliding the oil box is achieved by the first oil delivery valve 102, and the lubricating effect is finished by the sliding the oil box is released under the condition is achieved by the state that the piston is achieved by the sliding the piston, and the lubricating effect is in a state is separated.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a combination stable form duplex gear pump, includes pump body (500), pump body (500) power input end is connected with power input shaft (502), power input shaft (502) are connected through bearing (501) with pump body (500) shell, a serial communication port, connect through slide mechanism between pump body (500) and lubricating tank (100), lubricating tank (100) are inside to be equipped with and are used for providing the pump oil mechanism of lubricating oil for bearing (501).
2. The combined stable duplex gear pump according to claim 1, wherein the oil pumping mechanism comprises an oil cylinder (200) fixed on the outer side of the lubrication box (100), an oil inlet end of the oil cylinder (200) is communicated with a first oil delivery pipe (207), the other end of the first oil delivery pipe (207) is communicated with an oil storage tank (300), the oil storage tank (300) is arranged at the upper end position inside the lubrication box (100), an oil outlet (301) is arranged at the lower end of the oil storage tank (300), an oil tank cover (302) is arranged at the upper top of the oil storage tank (300), an oil outlet end of the oil cylinder (200) is communicated with a second oil delivery pipe (208), an oil inlet one-way valve (205) for one-way oil inlet is arranged in the first oil delivery pipe (207), an oil outlet one-way valve (206) for one-way oil outlet is arranged in the second oil delivery pipe (208), the other end of the second oil delivery pipe (208) is communicated with a lower oil guide hole (209), the lower oil guide hole (209) is communicated with an oil storage cavity (211), the upper oil guide cavity (210) is communicated with a piston (201) and the piston (201) is connected with the inner side of the piston (201), the outer end of the piston connecting rod (202) is connected with the plug (204), a cylinder opening of the oil cylinder (200) is connected with the oil cylinder cover (213), a perforation is arranged at the middle position of the side surface of the oil cylinder cover (213), the piston connecting rod (202) penetrates through the perforation of the side surface of the oil cylinder cover (213), a connecting rod spring (203) is arranged between the plug (204) and the oil cylinder cover (213), and a transmission assembly for intermittently pushing the plug (204) to move is arranged in the lubricating box (100).
3. The combined stable duplex gear pump according to claim 2, wherein the transmission assembly comprises a second rotating shaft (106) and a first rotating shaft (107) which are rotatably connected with the inside of the lubrication box (100), the second rotating shaft (106) and the first rotating shaft (107) are parallel to the power input shaft (502), the second rotating shaft (106) is arranged above the first rotating shaft (107), a first driven large gear (102) and a driven small gear (103) are coaxially arranged on the first rotating shaft (107), a power input gear (101) is coaxially arranged at a position, corresponding to the first driven large gear (102), on the power input shaft (502), a second driven large gear (104) and a power output cam (105) are coaxially arranged on the second rotating shaft (106), the second driven large gear (104) is meshed with the driven small gear (103), the power output cam (105) is in contact with the top head (204), the outside of the lubrication box (100) is connected with a pressing unit for driving the first driven large gear (102) to slide up and down, the first driven large gear (102) is in contact with the first driven large gear (102), and the first driven gear (102) is in contact with the first driven large gear (101) and the first driven gear is in a power input state.
4. A combined stable duplex gear pump according to claim 3, characterized in that the pressing unit comprises a fixed seat (400) arranged on the outer side of the pump body (500), a spring fixing column (401) is arranged at the right end of the fixed seat (400), the spring fixing column (401) is connected with one end of a pull rod spring (406), the other end of the pull rod spring (406) is connected with a through hole (409), a second sliding groove (405) is arranged on a pull rod (403) where the through hole (409) is located, the second sliding groove (405) is in sliding connection with the fixed column (404), the fixed column (404) is connected on the outer side of the lubricating box (100), the pull rod (403) is in rotary connection with a pull rod rotating shaft (402), and the pull rod rotating shaft (402) is fixed between the upper end of the fixed seat (400) and the shell of the pump body (500).
5. The combined stable duplex gear pump according to claim 1, wherein the sliding mechanism comprises a first chute (407) arranged on a pump shell of the pump body (500), and a sliding rail (408) matched with the first chute (407) is arranged on a shell of the lubrication box (100).
6. The combined stable duplex gear pump according to claim 2, wherein the center position of the right side surface of the plug (204) is in sliding contact with the outer curved surface of the power output cam (105).
7. A combined stable duplex gear pump according to claim 3, characterized in that the lower end of the lubrication box (100) is of open design.
8. The combined stable duplex gear pump according to claim 4, wherein the lower end surface of the spring fixing column (401) is provided with a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420804263.7U CN222162913U (en) | 2024-04-18 | 2024-04-18 | Combined stable duplex gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420804263.7U CN222162913U (en) | 2024-04-18 | 2024-04-18 | Combined stable duplex gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222162913U true CN222162913U (en) | 2024-12-13 |
Family
ID=93785513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420804263.7U Active CN222162913U (en) | 2024-04-18 | 2024-04-18 | Combined stable duplex gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222162913U (en) |
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2024
- 2024-04-18 CN CN202420804263.7U patent/CN222162913U/en active Active
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