CN215566592U - Duplex gear pump - Google Patents
Duplex gear pump Download PDFInfo
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- CN215566592U CN215566592U CN202120933357.0U CN202120933357U CN215566592U CN 215566592 U CN215566592 U CN 215566592U CN 202120933357 U CN202120933357 U CN 202120933357U CN 215566592 U CN215566592 U CN 215566592U
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Abstract
The utility model provides a duplex gear pump, which belongs to the technical field of hydraulic pumps and comprises a first gear pump, a second gear pump and a connecting rod, wherein the second gear pump is positioned on the right side of the first gear pump, the connecting rod is fixedly connected to the left side of the first gear pump, liquid inlet holes are respectively formed in the front ends of the first gear pump and the second gear pump, fixed insertion tubes are fixedly connected to four ends inside the first gear pump, fixed rods are fixedly connected to four ends inside the second gear pump, a plurality of fixed blocks are respectively and uniformly distributed on one side of each fixed rod, two embedded blocks are respectively arranged at the upper end and the lower end of each fixed block, and a supporting rod is fixedly connected to one side of each fixed rod. This kind of duplicate gear pump passes through the improvement of structure, makes this device when in-service use, can increase the fastening nature of connecting between two gear pumps to liquid flow and the vibration that produces make two gear pumps of connection take place not hard up and lead to liquid to reveal, the practicality is strong, is fit for using widely.
Description
Technical Field
The utility model relates to the technical field of hydraulic pumps, in particular to a double gear pump.
Background
The double gear pump is that two gear pumps are connected in parallel, and can supply oil independently or supply oil together, a common double pump uses a vane pump, one pump is a low-flow high-pressure pump, and the other pump is a high-flow low-pressure pump, and the two pumps are connected in parallel, so that different requirements of the system can be met.
However, current double gear pump is when the in-service use, usually be based on synthetic gap between two double gear pumps, connect two gear pumps through setting up mobilizable subassembly such as hinge, and the drawback that produces through this kind of mode just can lead to the gear pump inside getting into liquid, or when inputing liquid, the vibration that liquid trickles the gear pump and produce, can strengthen the gap between two wheel pumps, and then make liquid leak, and current double gear pump is when the in-service use, direct single from a fixed angle to the inside input liquid of gear pump, also can be to the inside impact that produces of gear pump, be unfavorable for the stability that two gear pumps are connected.
Therefore, there is a need for an upgrade and retrofit to existing duplicate gear pumps to overcome existing problems and deficiencies.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double gear pump to solve the defects in the prior art.
The above object is solved by the following technical solutions:
a double gear pump comprises a first gear pump, a second gear pump and a connecting rod, wherein the second gear pump is positioned on the right side of the first gear pump, the connecting rod is fixedly connected on the left side of the first gear pump, liquid inlet holes are respectively formed in the front ends of the first gear pump and the second gear pump, four ends inside the first gear pump are fixedly connected with fixed insertion tubes, four ends inside the second gear pump are fixedly connected with fixed rods, a plurality of fixed blocks are respectively and uniformly distributed on one side of the fixed rods, the upper ends and the lower ends of the fixed blocks are respectively provided with two embedding blocks, a supporting rod is fixedly connected on one side of the fixed rod and penetrates through the fixed blocks, a plurality of embedding holes are respectively formed in the upper ends and the lower ends of the fixed insertion tubes, connecting pipes are respectively arranged inside the first gear pump and the second gear pump, one side of the connecting pipe is connected with an insertion pipe in a penetrating way.
Preferably, the connecting pipe is arc-shaped, and two ends of the connecting pipe are respectively communicated with liquid inlet holes formed in the front ends of the first gear pump and the second gear pump.
Preferably, a plurality of the embedding holes are arranged and distributed in an equidistant and transverse mode in sequence.
Preferably, the four ends of the fixing rod are respectively matched with the four ends of the fixing insertion tube.
Preferably, the embedding block is connected with the fixed block through a spring, and the tail end of one side, far away from the fixed block, of the embedding block is in an arch shape.
Preferably, the distance between every two fixing blocks is consistent with the distance between every two embedding holes.
Has the advantages that:
(1) this kind of duplicate gear pump passes through the improvement of structure, makes this device when in actual use, can increase the fastening nature of connecting between two gear pumps to liquid flow and the vibration that produces make two gear pumps of connection take place not hard up and lead to liquid to reveal, the practicality is strong, and this device is when in actual use, when inputing liquid, can reduce the impact force that liquid produced to the gear pump, has further ensured the steadiness that two gear pumps connect, is fit for using widely.
(2) The duplex gear pump has the advantages that: through the cooperation use of connecting pipe and intubate, and because the connecting pipe is the arc form, and because the feed liquor hole intercommunication setting that the both ends of connecting pipe were seted up with first gear pump and second gear pump front end respectively, make this device when in-service use, when outside liquid enters into first gear pump and second gear pump in through the feed liquor hole, liquid can form a wraparound in the connecting pipe, in order to reduce the direct impact to first gear pump and second gear pump, and the liquid of wraparound, can finally discharge through the intubate, the steadiness that two gear pumps are connected has further been ensured, and is suitable for being generalized to use.
(3) Secondly, the method comprises the following steps: through fixed intubate, the fixed block, the cooperation of bracing piece and embedding piece is used, and because four end dead lever respectively with four end fixed intubate looks adaptations, make this device when in-service use, in inserting fixed intubate through the bracing piece that sets up four ends, can make four end evenly distributed's fixed block enter into fixed intubate in the lump, when four end evenly distributed's fixed block enters into fixed intubate, can make four end evenly distributed's fixed block arrange the embedding downthehole in, in order to with the card that evenly distributed's embedding piece corresponds downthehole in the embedding, in order to avoid producing between bracing piece and the fixed intubate not hard up, and then strengthen the fastening nature of connecting between two gear pumps, in order to avoid two gear pumps that liquid flow and the vibration that produces to make the connection take place not hard up and lead to liquid leakage, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic side view of the first gear pump according to the present invention.
Fig. 3 is a front view of the second gear pump 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 cross-sectional view of the fixed cannula of the present invention.
Fig. 6 is a partial structural schematic diagram of a first gear pump and a second gear pump of the present invention.
In FIGS. 1-6: 1-a first gear pump; 101-fixing the cannula; 1011-embedding hole; 2-a second gear pump; 201-fixing rod; 202-fixed block; 2021-an insert block; 203-support rods; 3-liquid inlet hole; 4-a connecting rod; 5-connecting pipe; 501-intubation.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention.
Example (b):
please refer to fig. 1 to fig. 6:
the double gear pump provided by the embodiment comprises a first gear pump 1, a second gear pump 2 and a connecting rod 4, wherein the second gear pump 2 is positioned on the right side of the first gear pump 1, the connecting rod 4 is fixedly connected on the left side of the first gear pump 1, the front ends of the first gear pump 1 and the second gear pump 2 are respectively provided with a liquid inlet hole 3, four ends inside the first gear pump 1 are respectively and fixedly connected with a fixed insertion pipe 101, four ends inside the second gear pump 2 are respectively and fixedly connected with a fixed rod 201, one side of the fixed rod 201 is respectively and uniformly distributed with a plurality of fixed blocks 202, the upper end and the lower end of each fixed block 202 are respectively provided with two embedding blocks 2021, one side of the fixed rod 201 is respectively and fixedly connected with a support rod 203, the support rod 203 is respectively connected with the fixed blocks 202 in a penetrating manner, the upper end and the lower end inside the fixed insertion pipe 101 are respectively provided with a plurality of embedding holes 1011, the inside of first gear pump 1 and second gear pump 2 all is equipped with connecting pipe 5, and one side through connection of connecting pipe 5 has intubate 501.
Further, connecting pipe 5 is the arc form, and the both ends of connecting pipe 5 communicate the setting with 3 intercommunications in the feed liquor hole that first gear pump 1 and 2 front ends of second gear pump were seted up respectively, through this kind of design, when outside liquid enters into in first gear pump 1 and the second gear pump 2 through feed liquor hole 3, liquid can form a wraparound in connecting pipe 5, in order to reduce the direct impact to first gear pump 1 and second gear pump 2, and the liquid of wraparound, can finally discharge through intubate 501, the steadiness that two gear pumps are connected has further been ensured, and is suitable for being generalized to use.
Further, four ends dead lever 201 respectively with four fixed intubate 101 looks adaptations, insert fixed intubate 101 through the bracing piece 203 with four end settings, can make four fixed block 202 of end evenly distributed enter into fixed intubate 101 in the lump, when four fixed block 202 of end evenly distributed enters into fixed intubate 101 in, can make four fixed block 202 of end evenly distributed place in the embedding hole 1011, in order to with the card that the embedding block 2021 that evenly distributed corresponds in embedding hole 1011, in order to avoid producing between bracing piece 203 and the fixed intubate 101 not hard up, and then increase the fastening nature of connecting between two gear pumps, in order to avoid two gear pumps that the vibration that liquid flow and produce makes the connection take place not hard up and lead to the liquid leakage, therefore, the clothes hanger is strong in practicability.
Furthermore, the plurality of insertion holes 1011 are arranged and distributed transversely at equal intervals in sequence, the distribution range of the insertion holes 1011 is extended at equal intervals, the arrangement area of the fixing block 202, the insertion block 2021 and the insertion holes 1011 can be enlarged, and the connection tightness between the support rod 203 and the fixing insertion tube 101 is further enhanced in an auxiliary manner.
Furthermore, the embedded block 2021 is connected to the fixed block 202 through a spring, and the end of the embedded block 2021 on the side away from the fixed block 202 is in an arch shape, so that the embedded block 2021 can be embedded into the embedded hole 1011 by the aid of the elastic force of the spring when the support rod 203 is inserted into the fixed insertion tube 101 with the aid of the elastic force of the spring, thereby improving the connection smoothness between the embedded block 2021 and the embedded hole 1011.
Furthermore, the distance between every two fixing blocks 202 is consistent with the distance between every two insertion holes 1011, and by means of the design, the uniformly distributed fixing blocks 202 can be completely placed in the insertion holes 1011, and the matching stability of the fixing blocks 202 and the insertion holes 1011 is improved.
The working principle is as follows:
when the utility model is used, the supporting rods 203 arranged at the four ends are inserted into the fixed insertion tube 101, so that the fixed blocks 202 uniformly distributed at the four ends can enter the fixed insertion tube 101, when the fixed blocks 202 uniformly distributed at the four ends enter the fixed insertion tube 101, the fixed blocks 202 uniformly distributed at the four ends can be placed in the embedding holes 1011, so that the embedded blocks 2021 uniformly distributed are clamped in the embedding holes 1011 correspondingly, thereby preventing the supporting rods 203 and the fixed insertion tube 101 from loosening, further increasing the connection tightness between the two gear pumps, preventing the two connected gear pumps from loosening and causing liquid leakage due to vibration generated by liquid flow, simultaneously, when external liquid enters the first gear pump 1 and the second gear pump 2 through the liquid inlet hole 3, the liquid can form a wrap around in the connecting pipe 5, so as to reduce direct impact on the first gear pump 1 and the second gear pump 2, the liquid that is wound back can be finally discharged through the cannula 501, and the stability of the connection of the two gear pumps is further ensured.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. A double gear pump comprises a first gear pump (1), a second gear pump (2) and a connecting rod (4), and is characterized in that the second gear pump (2) is positioned on the right side of the first gear pump (1), the connecting rod (4) is fixedly connected to the left side of the first gear pump (1), liquid inlet holes (3) are respectively formed in the front ends of the first gear pump (1) and the second gear pump (2), four ends inside the first gear pump (1) are fixedly connected with fixing insertion tubes (101), four ends inside the second gear pump (2) are fixedly connected with fixing rods (201), a plurality of fixing blocks (202) are respectively and uniformly distributed on one side of the fixing rods (201), two embedding blocks (2021) are respectively arranged at the upper ends and the lower ends of the fixing blocks (202), and a supporting rod (203) is respectively and fixedly connected to one side of the fixing rods (201), and bracing piece (203) all with a plurality of fixed block (202) through connection, four ends a plurality of embedding hole (1011) has all been seted up at fixed intubate (101) inside upper and lower both ends, the inside of first gear pump (1) and second gear pump (2) all is equipped with connecting pipe (5), one side through connection of connecting pipe (5) has intubate (501).
2. The double gear pump as claimed in claim 1, wherein the connecting pipe (5) is arc-shaped, and two ends of the connecting pipe (5) are respectively communicated with the liquid inlet holes (3) formed at the front ends of the first gear pump (1) and the second gear pump (2).
3. Double gear pump according to claim 1, characterized in that several of said insertion holes (1011) are arranged in an equidistant transverse arrangement.
4. A double gear pump according to claim 1, characterized in that the four-ended fixing rods (201) are fitted with the four-ended fixing insertion tubes (101), respectively.
5. Double gear pump according to claim 1, characterized in that the insertion blocks (2021) are connected to the fixed block (202) by means of springs, and the ends of the insertion blocks (2021) facing away from the fixed block (202) are arched.
6. A double gear pump according to claim 1, characterized in that the distance between each two fixing blocks (202) is identical to the distance between each two insertion holes (1011).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120933357.0U CN215566592U (en) | 2021-04-30 | 2021-04-30 | Duplex gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120933357.0U CN215566592U (en) | 2021-04-30 | 2021-04-30 | Duplex gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215566592U true CN215566592U (en) | 2022-01-18 |
Family
ID=79858443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120933357.0U Active CN215566592U (en) | 2021-04-30 | 2021-04-30 | Duplex gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215566592U (en) |
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2021
- 2021-04-30 CN CN202120933357.0U patent/CN215566592U/en active Active
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