CN219061989U - Floating side plate of bidirectional gear pump - Google Patents
Floating side plate of bidirectional gear pump Download PDFInfo
- Publication number
- CN219061989U CN219061989U CN202123357739.2U CN202123357739U CN219061989U CN 219061989 U CN219061989 U CN 219061989U CN 202123357739 U CN202123357739 U CN 202123357739U CN 219061989 U CN219061989 U CN 219061989U
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- side plate
- gear pump
- groove
- base body
- plate base
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Abstract
The utility model discloses a floating side plate of a bidirectional gear pump, which comprises a side plate substrate, wherein an unloading groove is formed in the middle section of the front surface of the side plate substrate, and through holes are symmetrically formed in the upper section and the lower section of the front surface of the side plate substrate; symmetrically distributed balance grooves are formed in two ends of the front surface of the side plate base body and used for communicating the inter-tooth accommodating cavity of the medium-pressure area; the back of the side plate substrate is provided with a sealing groove, and the balance groove is communicated with the sealing groove. The utility model can greatly improve the overall strength, sealing performance, volumetric efficiency, pressure grade and comprehensive performance of the gear pump.
Description
Technical Field
The utility model relates to a bi-directional gear pump side plate, in particular to a bi-directional gear pump floating side plate.
Background
The gear pump commonly used at present consists of a front cover, a pump body, a rear cover, a gear pair and a pair of shaft sleeves, wherein the gear pair and the pair of shaft sleeves are arranged in the pump body, the cylindrical pins are positioned between the plates and tightened by screws, the two ends of the pump body are provided with external sealing structures, the two shaft sleeves are respectively provided with an internal sealing structure and a sliding bearing, and the shaft sleeves serve as key parts to play a supporting and sealing role in the pump. At present, a common shaft sleeve of a gear pump is an aluminum casting, and the volume efficiency, the pressure grade and the service life of the conventional gear pump are limited due to the limited strength and the high requirements of a processing technology; the outer sealing structure is arranged on the end face of the aluminum pump body, and when the gear pump is impacted by alternating load, the sealing mechanism can leak outwards due to deformation and movement of the pump body; the three-piece gear pump has scattered parts and various working procedures, and the shaft sleeve has high processing technology requirements, so that the processing cost and the management cost are higher.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a bidirectional gear pump floating side plate, which has the advantages of ensuring the comprehensive performance and the service life of the gear pump when the gear pump operates under higher working conditions and greatly reducing the part processing cost.
The technical scheme is as follows: the utility model comprises a side plate substrate, wherein the middle section of the front surface of the side plate substrate is provided with an unloading groove, and the upper section and the lower section of the front surface of the side plate substrate are symmetrically provided with through holes; symmetrically distributed balance grooves are formed in two ends of the front surface of the side plate base body and used for communicating the inter-tooth accommodating cavity of the medium-pressure area; the back of the side plate substrate is provided with a sealing groove, and the balance groove is communicated with the sealing groove.
A pressure guide hole is formed in the balance groove and is led to the seal groove; and the pressure oil in the pressure area in the front of the side plate is introduced into the sealing groove through the pressure guide hole, so that the axial sealing thrust is provided.
And the back surface of the side plate substrate is provided with an oil drain groove.
The seal groove is arranged to be an 8-shaped seal groove.
The number of the unloading grooves is two, and the unloading grooves are symmetrically distributed about the central axis of the side plate substrate.
The unloading groove extends from the side edge of the side plate base body to the middle.
The oil drain groove communicates the two through holes.
The pressure guide hole is arranged on the central axis of the side plate base body.
The beneficial effects are that: compared with the prior art, the utility model has the beneficial effects that: the parts are integrated and recombined, the overall strength of the product is improved on the premise of meeting the functional requirement, the structure is more compact and reasonable, the working procedures are concentrated, and the process difficulty of the parts is reduced.
Drawings
FIG. 1 is a schematic front view of a floating side plate of a bi-directional gear pump according to the present utility model;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a schematic back view of a floating side plate of a bi-directional gear pump according to the present utility model.
Detailed Description
The technical scheme of the utility model is described in detail below with reference to the detailed description and the attached drawings.
As shown in fig. 1-3, the utility model comprises a side plate base body 1, wherein unloading grooves 2 are formed in the middle section of the front surface of the side plate base body 1, in the embodiment, the number of the unloading grooves 2 is two, and the unloading grooves are symmetrically distributed about the central axis of the side plate base body 1; the unloading groove 2 extends from the side edge of the side plate base 1 to the middle. The upper and lower sections of the front surface of the side plate base body 1 are symmetrically provided with through holes 5. The balancing grooves 3 symmetrically distributed are arranged at the two ends of the front face of the side plate base body 1 and are used for communicating the inter-tooth accommodating cavities of the medium-pressure area, the radial force of the driven wheel can be effectively reduced by arranging the balancing grooves 3, the balanced and stable floating of the stress of the side plate inside the gear pump is promoted, the volumetric efficiency and the service life of a product are improved, and the performance consistency and the qualification rate of the product can be effectively guaranteed. The back of the side plate base body 1 is provided with a sealing groove 6, and the balance groove 3 is communicated with the sealing groove 6; specifically, a pressure guide hole 4 is formed in the balance groove 3, and the pressure guide hole 4 is led to a sealing groove 6; the pressure guide hole 4 is arranged on the central axis of the side plate base body 1; the seal groove 6 is arranged as an 8-shaped seal groove. The back of the side plate base body 1 is provided with an oil drain groove 7; the oil drain groove 7 communicates the two through holes 5.
According to the utility model, the unloading groove 2 and the balance groove 3 are arranged on the side plate base body 1, the pressure guide hole 4 is arranged on the balance groove 3, and the 8-shaped sealing groove and the oil drain groove 7 are arranged on the back surface of the side plate base body 1, so that the axial compensation force of the floating side plate can be automatically regulated by means of the hydraulic pressure of the middle pressure area on the front surface of the side plate and the sealing side sealing force of the end surface of the side plate along with the change of load, the mechanical efficiency of the gear pump is effectively improved, and the comprehensive performance and the service life of a product are improved.
Claims (8)
1. The utility model provides a bi-directional gear pump curb plate that floats, includes curb plate base member (1), its characterized in that: unloading grooves (2) are formed in the middle section of the front surface of the side plate base body (1), and through holes (5) are symmetrically formed in the upper section and the lower section of the front surface of the side plate base body (1); balance grooves (3) which are symmetrically distributed are arranged at two ends of the front surface of the side plate base body (1) and are used for communicating with the inter-tooth accommodating cavity of the medium-pressure area; the back of the side plate base body (1) is provided with a sealing groove (6), and the balance groove (3) is communicated with the sealing groove (6).
2. The bi-directional gear pump floating side plate of claim 1 wherein: and a pressure guide hole (4) is formed in the balance groove (3), and the pressure guide hole (4) is led to the sealing groove (6).
3. The bi-directional gear pump floating side plate of claim 1 wherein: an oil drain groove (7) is formed in the back surface of the side plate base body (1).
4. The bi-directional gear pump floating side plate of claim 1 wherein: the sealing groove (6) is arranged as an 8-shaped sealing groove.
5. The bi-directional gear pump floating side plate of claim 1 wherein: the number of the unloading grooves (2) is two, and the unloading grooves are symmetrically distributed about the central axis of the side plate base body (1).
6. The bi-directional gear pump floating side plate of claim 1 wherein: the unloading groove (2) extends from the side edge of the side plate base body (1) to the middle.
7. The bi-directional gear pump floating side plate of claim 3, wherein: the oil drain groove (7) is used for communicating the two through holes (5).
8. The bi-directional gear pump floating side plate of claim 2, wherein: the pressure guide hole (4) is arranged on the central axis of the side plate base body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123357739.2U CN219061989U (en) | 2021-12-29 | 2021-12-29 | Floating side plate of bidirectional gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123357739.2U CN219061989U (en) | 2021-12-29 | 2021-12-29 | Floating side plate of bidirectional gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219061989U true CN219061989U (en) | 2023-05-23 |
Family
ID=86345307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123357739.2U Active CN219061989U (en) | 2021-12-29 | 2021-12-29 | Floating side plate of bidirectional gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219061989U (en) |
-
2021
- 2021-12-29 CN CN202123357739.2U patent/CN219061989U/en active Active
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