CN219242196U

CN219242196U - Floating side plate for gear pump

Info

Publication number: CN219242196U
Application number: CN202320471525.8U
Authority: CN
Inventors: 潘加波
Original assignee: Huai'an Yist Machinery Co ltd
Current assignee: Huai'an Yist Machinery Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-06-23
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a floating side plate for a gear pump, which relates to the technical field of gear pumps and has the technical scheme that the floating side plate comprises a driving shaft and a driven shaft, wherein the driving shaft is fixedly connected with a driving gear, the driven shaft is fixedly connected with a driven gear, the driving gear and the driven gear are meshed with each other, both ends of the driving gear are respectively provided with the floating side plate, two shaft holes are formed in the floating side plate and are respectively spliced with the driving shaft and the driven shaft, a sealing piece is arranged on the side wall of the floating side plate far away from the driving gear, a clamping groove is formed in the side wall of the sealing piece, which is close to the floating side plate, and a clamping rail matched with the clamping groove is fixedly connected with the side wall of the floating side plate.

Description

Floating side plate for gear pump

Technical Field

The utility model relates to the technical field of gear pumps, in particular to a floating side plate for a gear pump.

Background

The gear pump is a rotary pump which conveys liquid or pressurizes the liquid by means of working volume change and movement formed between a pump cylinder and an engaged gear, two closed spaces are formed by two gears, a pump body, a floating side plate and a front cover and a rear cover, 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, the liquid is sucked, the volume of the space at the engaging side of the gears is changed from large to small to squeeze the liquid into a pipeline, a suction cavity and a discharge cavity are separated by the engaging line of the two gears, the pressure of the discharge port of the gear pump is completely dependent on the resistance of the outlet of the pump, and the floating side plate is mainly used for reducing the phenomenon of oil trapping, reducing working noise, adjusting axial clearance, reducing internal leakage and improving volume benefit;

along with the development of gear pump technology, the pressure that allows the use is higher and higher, and the sealing member on the current side plate that floats often appears being extruded the crushing or displacement dislocation phenomenon, can't satisfy current gear pump requirement, influences the life of gear pump, consequently, we have proposed a side plate that floats for the gear pump.

Disclosure of Invention

In view of the shortcomings of the prior art, the utility model aims to provide a floating side plate for a gear pump.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a curb plate floats for gear pump, includes driving shaft and driven shaft, fixedly connected with driving gear on the driving shaft, fixedly connected with driven gear on the driven shaft, and driving gear and driven gear intermeshing, driving gear's both ends all are equipped with the curb plate that floats, it has two shaft holes to float to open on the curb plate, and two shaft holes peg graft with driving shaft, driven shaft respectively, it is equipped with the sealing member on the lateral wall of driving gear to float the curb plate to keep away from, it has the joint groove to open on the lateral wall that the sealing member is close to the curb plate that floats, fixedly connected with and the joint rail of joint groove looks adaptation on the lateral wall of the curb plate that floats.

Preferably, the clamping rail is provided with a positioning groove, and the inner side wall of the sealing piece is fixedly connected with a positioning rail matched with the positioning groove.

Preferably, a plurality of protruding blocks are fixedly connected to the side wall of the floating side plate and located on one side of the sealing piece.

Preferably, a plurality of unloading grooves are formed in the side wall, close to the driving gear, of the floating side plate.

Preferably, the side wall of the floating side plate, which is close to the driving gear, is provided with a plurality of first oil inlet grooves and a plurality of oil guiding grooves, and the side wall of the floating side plate, which is far away from the driving gear, is provided with a plurality of second oil inlet grooves.

Compared with the prior art, the utility model has the following beneficial effects:

1. the clamping groove on the sealing piece can be clamped with the clamping rail, so that the shape and the position of the sealing piece are fixed in an auxiliary mode, the sealing piece is prevented from being extruded and crushed by high pressure or displaced and misplaced, and the service life of the gear pump is prolonged;

2. when the clamping groove is clamped with the clamping rail, the positioning rail can be clamped with the positioning groove, so that the shape and the position of the sealing piece are further fixed in an auxiliary mode;

3. the plurality of protruding blocks are attached to the sealing element, so that the position of the sealing element is further fixed, and displacement dislocation of the sealing element is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of a floating side plate according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a seal and clip track according to an embodiment of the present utility model;

fig. 4 is a cross-sectional view of a positioning groove and a positioning rail according to an embodiment of the utility model.

In the figure: 1. a driving shaft; 2. a driven shaft; 3. a drive gear; 4. a driven gear; 5. a floating side plate; 6. a shaft hole; 7. a seal; 8. a clamping groove; 9. clamping the rail; 10. a positioning groove; 11. a positioning rail; 12. a bump; 13. an unloading groove; 14. a first oil inlet groove; 15. an oil drainage groove; 16. and the second oil inlet groove.

Detailed Description

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.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a curb plate floats for gear pump, includes driving shaft 1 and driven shaft 2, fixedly connected with driving gear 3 on the driving shaft 1, fixedly connected with driven gear 4 on the driven shaft 2, and driving gear 3 and driven gear 4 intermeshing, the both ends of driving gear 3 all are equipped with the curb plate 5 that floats, like fig. 2, and the curb plate 5 that floats is "8" font, it has two shaft holes 6 to open on the curb plate 5 that floats, and two shaft holes 6 peg graft with driving shaft 1, driven shaft 2 respectively, be equipped with sealing member 7 on the lateral wall that the curb plate 5 kept away from driving gear 3 that floats, sealing member 7 is close to and opens on the lateral wall of curb plate 5 that floats has joint groove 8, fixedly connected with and joint groove 8 looks adaptation joint rail 9 on the lateral wall of curb plate 5 that floats, like fig. 3, fig. 4, sealing member 7 and joint rail 9 both are "3" font, and joint rail 9 can carry out the joint to shape and the position of sealing member 7 all assist fixedly, avoid sealing member 7 to be compressed out or the dislocation displacement of gear pump, improve.

Specifically, the clamping rail 9 is provided with a positioning groove 10, and a positioning rail 11 adapted to the positioning groove 10 is fixedly connected to the inner side wall of the sealing member 7, as shown in fig. 4, when the clamping groove 8 and the clamping rail 9 are clamped, the positioning rail 11 can be clamped with the positioning groove 10, so that the shape and the position of the sealing member 7 are further fixed in an auxiliary manner.

Specifically, a plurality of protruding blocks 12 are fixedly connected to the side wall of the floating side plate 5 and located at one side of the sealing element 7, as shown in fig. 2, the protruding blocks 12 are attached to the sealing element 7, so that the position of the sealing element 7 is further fixed, and displacement dislocation of the sealing element 7 is avoided.

Specifically, a plurality of unloading grooves 13 are formed in the side wall, close to the driving gear 3, of the floating side plate 5, so that the phenomenon of oil trapping of the gear pump is reduced.

Specifically, the side wall of the floating side plate 5, which is close to the driving gear 3, is provided with a plurality of first oil inlet grooves 14 and a plurality of oil drainage grooves 15, and the side wall of the floating side plate 5, which is far away from the driving gear 3, is provided with a plurality of second oil inlet grooves 16, as shown in fig. 2, the first oil inlet grooves 14, the oil drainage grooves 15 and the second oil inlet grooves 16 can guide high-pressure oil, so that the influence on inlet oil absorption caused by overlarge centrifugal force of the high-speed gear is reduced.

Working principle: as fig. 3 and 4 show, both the sealing element 7 and the clamping rail 9 are in a shape of '3', and the clamping groove 8 on the sealing element 7 can be clamped with the clamping rail 9, so that the shape and the position of the sealing element 7 are fixed in an auxiliary manner, and when the clamping groove 8 and the clamping rail 9 are clamped, the positioning rail 11 can be clamped with the positioning groove 10, so that the shape and the position of the sealing element 7 are fixed in an auxiliary manner, the sealing element 7 is prevented from being extruded by high pressure and crushed or displaced and misplaced, and the service life of the gear pump is prolonged.

It should be noted that: standard parts used in the application document can be purchased from the market, the specific connection modes of all parts are connected by adopting conventional means such as mature bolts, rivets and welding in the prior art, and machines, parts and equipment are of conventional models in the prior art, so that specific description is not made here.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a curb plate floats for gear pump, includes driving shaft (1) and driven shaft (2), fixedly connected with driving gear (3) on driving shaft (1), fixedly connected with driven gear (4) on driven shaft (2), and driving gear (3) and driven gear (4) intermeshing, characterized by: the utility model discloses a gear drive, including driving gear (3), floating curb plate (5), two shaft holes (6) are all equipped with at the both ends of driving gear (3), it has two shaft holes (6) to open on curb plate (5) to float, and two shaft holes (6) peg graft with driving shaft (1), driven shaft (2) respectively, be equipped with sealing member (7) on the lateral wall that driving gear (3) was kept away from to curb plate (5) to float, it has joint groove (8) to open on the lateral wall that sealing member (7) are close to curb plate (5) to float, fixedly connected with and joint rail (9) of joint groove (8) looks adaptation on the lateral wall of curb plate (5) to float.

2. A floating side plate for a gear pump according to claim 1, wherein: the clamping rail (9) is provided with a positioning groove (10), and the inner side wall of the sealing piece (7) is fixedly connected with a positioning rail (11) which is matched with the positioning groove (10).

3. A floating side plate for a gear pump according to claim 1, wherein: a plurality of protruding blocks (12) are fixedly connected to the side wall of the floating side plate (5) and positioned on one side of the sealing piece (7).

4. A floating side plate for a gear pump according to claim 1, wherein: the side wall of the floating side plate (5) close to the driving gear (3) is provided with a plurality of unloading grooves (13).

5. A floating side plate for a gear pump according to claim 1, wherein: the side wall of the floating side plate (5) close to the driving gear (3) is provided with a plurality of first oil inlet grooves (14) and a plurality of oil guiding grooves (15), and the side wall of the floating side plate (5) far away from the driving gear (3) is provided with a plurality of second oil inlet grooves (16).