Oil distribution disc structure capable of adjusting displacement and pressure of plunger pump

Abstract

The oil distribution disc structure capable of adjusting the displacement and the pressure of the plunger pump comprises an outer fixing disc and a floating oil distribution disc, the outer fixing disc is provided with a containing hole used for containing the floating oil distribution disc, and the two sides of the floating oil distribution disc are each provided with a first sealing pin. A containing hole is formed in the floating oil distribution disc, a first sealing pin is arranged in the containing hole, the outer side of the first sealing pin is attached to the hole wall of the containing hole, limiting parts used for limiting the rotating angle of the floating oil distribution disc are symmetrically arranged on the containing hole, and second sealing pins attached to the floating oil distribution disc are arranged on the limiting parts. The oil distribution angle can be adjusted according to the pressure change, so that the displacement is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of transmission, and relates to an oil distribution disc structure capable of adjusting the displacement and pressure of a plunger pump. BACKGROUND

[0002] The oil distribution disc of the existing plunger pump is fixed, and the plunger pump cylinder is connected through a flow channel to realize flow distribution, and the displacement is adjusted by changing the angle of the swash plate, that is, when the angle of the swash plate is increased, the displacement is also increased, and when the angle of the swash plate is decreased, the displacement is also decreased. The position and angle of the oil distribution disc do not change, so when the angle of the swash plate is fixed, the displacement will not change. SUMMARY

[0003] The utility model discloses a kind of oil distribution disc structures capable of adjusting the displacement and pressure of plunger pump, to solve the technical problems of the prior art.

[0004] The utility model discloses a kind of oil distribution disc structures capable of adjusting the displacement and pressure of plunger pump, to solve the technical problems of the prior art.

[0005] In the above-mentioned oil distribution disc structure capable of adjusting the displacement and pressure of plunger pump, the floating oil distribution disc is provided with an oil inlet hole and an oil outlet hole

[0006] In the above-mentioned oil distribution disc structure capable of adjusting the displacement and pressure of plunger pump, the two sides of the floating oil distribution disc are provided with protruding parts, and the protruding parts are provided with first clamping grooves for fixing the second sealing pins.

[0007] In the above-mentioned oil distribution disc structure capable of adjusting the displacement and pressure of plunger pump, the center of the floating oil distribution disc is provided with a bearing mounting hole, and the bearing mounting hole is concentric with the accommodating hole.

[0008] In the above-mentioned oil distribution disc structure capable of adjusting the displacement and pressure of plunger pump, the accommodating hole is provided with second clamping grooves for fixing the second sealing pins.

[0009] Compared with the prior art, the utility model is provided with a floating oil distribution disc, the oil distribution disc can rotate, and the oil distribution angle can be adjusted according to the pressure change, so as to adjust the displacement. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1It is the structure schematic view of the utility model;

[0011] Fig. 2 It is the initial state schematic view of the utility model;

[0012] Fig. 3 It is the state view under pressure of the utility model;

[0013] Fig. 4 It is the final position state view of the utility model.

[0014] In the drawing, 1, outer fixed disc;2, floating oil distribution disc;3, first sealing pin;4, limiting portion;5, second sealing pin;6, oil inlet hole;7, oil outlet hole;8, protruding portion;9, bearing mounting hole. Specific implementation

[0015] The following is the specific embodiment of the utility model and in combination with the drawings, the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments. Embodiment

[0016] As Figs. 1 to 4 Indicated, a kind of adjustable plunger pump displacement and pressure oil distribution disc structure, including outer fixed disc 1 and floating oil distribution disc 2, the floating oil distribution disc 2 is equipped with oil inlet hole 6 and oil outlet hole 7, floating oil distribution disc 2 is not fixed, but within certain angle floating, by a coil spring (coil spring is not drawn in the drawing) fixed in opposite position, when certain pressure promotes, can rotate certain angle, finally in certain angle, stop down, when pressure drops, restore to initial position under the action of coil spring.

[0017] The outer fixed disc 1 is equipped with containing hole for containing floating oil distribution disc 2, the two sides of the floating oil distribution disc 2 are provided with first sealing pin 3, the outside of the first sealing pin 3 is attached with the hole wall of containing hole, the containing hole is symmetrically provided with limiting portion 4 for limiting the rotation angle of floating oil distribution disc 2, the limiting portion 4 is provided with second sealing pin 5 attached with floating oil distribution disc 2.

[0018] Floating oil distribution disc 2 axial two sides have pressure oil as floating medium, radial periphery also has pressure oil.

[0019] Further, the two sides of the floating oil distribution disc 2 are provided with protruding portion 8, the first clamping groove for fixing second sealing pin 5 is formed in the protruding portion 8.

[0020] Further, the bearing mounting hole 9 is formed in the center of the floating oil distribution disc 2, and the bearing mounting hole 9 is concentrically arranged with the containing hole.

[0021] Further, a second clamping groove for fixing the second sealing pin 5 is arranged on the accommodating hole.

[0022] The utility model discloses a floating oil distribution disc 2 is set up, and the oil distribution disc can make rotary motion, and the oil distribution angle can be adjusted according to pressure variation, thereby adjusting the displacement.

[0023] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the range defined by the attached claims.

Claims

1. An oil distribution plate structure for adjusting the displacement and pressure of a plunger pump, characterized by, The utility model relates to a floating oil distribution disc (2) and the outer fixed disc (1) that includes, the accommodating hole that is used to accommodate floating oil distribution disc (2) is seted up on the outer fixed disc (1), the both sides of floating oil distribution disc (2) are provided with first sealing pin (3), the outside of first sealing pin (3) is in line with the hole wall of accommodating hole, the limiting portion (4) that is used to limit the rotation angle of floating oil distribution disc (2) is provided with on the accommodating hole symmetry, the second sealing pin (5) that is in line with floating oil distribution disc (2) is provided with on the limiting portion (4).

2. The oil distribution disc structure of claim 1, wherein: The floating oil distribution disc (2) is provided with oil inlet hole (6) and oil outlet hole (7).

3. The oil distribution disc structure of claim 1, wherein: The both sides of floating oil distribution disc (2) are provided with protruding part (8), and the first clamping groove for fixing the second sealing pin (5) is seted up on the protruding part (8).

4. The oil distribution disc structure of claim 1, wherein: The bearing mounting hole (9) is seted up at the center of floating oil distribution disc (2), and the bearing mounting hole (9) is concentric with the accommodating hole.

5. The oil distribution disc structure of claim 1, wherein: The second clamping groove for fixing the second sealing pin (5) is seted up on the accommodating hole.

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