Double-sealing structure of disc flow distribution hydraulic motor

Abstract

The utility model discloses a disc flow distribution hydraulic motor double-sealing structure which comprises a motor shell, a motor sealing cover is fixedly connected to the right side of the motor shell, a first sealing sleeve and a second sealing sleeve are arranged in an inner cavity of the motor sealing cover, and a fixing ring is fixedly connected to the left side of the first sealing sleeve. And a propelling assembly is arranged on the left side of the first sealing sleeve and comprises two clamping sleeves arranged on the surface of the valve plate in a sleeving mode, sealing rings are arranged in inner cavities of the clamping sleeves, limiting pipes are fixedly connected to the right sides of the clamping sleeves, and limiting pins are fixedly connected to the front end and the rear end of the left side of a fixing ring. The paint spraying pipe is lifted through matched use of the stepping motor, the threaded rod and the lifting table, so that automatic spraying is achieved, meanwhile, the paint spraying pipe is quickly disassembled and assembled through matched use of the fixing base, the locking assembly and the rotary clamping sleeve, and the purposes of automatic lifting spraying and quick change of manual operation can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hydraulic motor technical field, especially, relate to a disc flow distribution hydraulic motor double seal structure. BACKGROUND

[0002] The cycloid motor is a kind of hydraulic motor, it is as a kind of execution element of hydraulic system, it will the liquid pressure energy provided by hydraulic pump into the mechanical energy of its output shaft, liquid is the medium of force and motion, hydraulic motor, also known as oil motor.

[0003] Sealing structure is an essential component in hydraulic motor, due to the limitation of space and structure, the design of sealing element cannot realize sealing perfectly, especially in high-pressure working environment, if the sealing effect of motor is poor, it can cause hydraulic oil leakage, influence the working efficiency of motor, even cause equipment failure and security risk, for this, need to provide a disc flow distribution hydraulic motor double seal structure, adopt the design of continuous extrusion sealing and double seal, improve the sealing effect, effectively prevent the occurrence of hydraulic oil leakage, reduce the maintenance cost and downtime of equipment. SUMMARY

[0004] The utility model discloses a disc flow distribution hydraulic motor double seal structure, adopt the design of continuous extrusion sealing and double seal, improve the sealing effect, effectively prevent the occurrence of hydraulic oil leakage, reduce the maintenance cost and downtime of equipment, to solve the above technical problem.

[0005] The utility model discloses a disc flow distribution hydraulic motor double seal structure, including motor shell: the right side fixed connection of motor shell has motor cover, the inner chamber of motor cover is provided with first sealing sleeve and second sealing sleeve, the left side fixed connection of first sealing sleeve has fixed ring, the left side of first sealing sleeve is provided with propelling assembly, propelling assembly includes two clamping sleeves of the surface of flow distribution disc, the inner chamber of clamping sleeve is provided with sealing ring, the right side fixed connection of fixed ring left side front end and rear end all are fixedly connected with limit pin, the surface of limit pin is provided with spring.

[0006] Preferably, the right side of the first sealing sleeve is fixedly connected with an inclined surface extrusion sleeve, and the left side of the second sealing sleeve is provided with an inclined surface groove matched with the inclined surface extrusion sleeve.

[0007] Preferably, the limit pin is slidingly connected in the inner cavity of the limit tube, and the two ends of the spring are respectively welded with the limit tube and the limit pin.

[0008] Preferably, the inner wall of the first sealing sleeve and the second sealing sleeve is provided with an annular groove, and the inner cavity of the annular groove is embedded with a sealing ring.

[0009] Preferably, the surface of the clamping sleeve is provided with two circular through holes, and the inner cavities of the circular through holes are provided with screws penetratingly.

[0010] The utility model discloses the beneficial effect is:

[0011] 1, the utility model discloses a first sealing sleeve and second sealing sleeve's cooperation is used to the motor shell and the motor cover between two sealing, simultaneously through the setting of advancing assembly, to first sealing sleeve continuous elastic advancing, and then make first sealing sleeve and second sealing sleeve close adhesion, can reach the purpose of continuous extrusion sealing and two sealing,

[0012] 2, the utility model discloses the cooperation of bevel extrusion sleeve and bevel recess makes first sealing sleeve and second sealing sleeve close adhesion, thereby improve the close adhesion of first sealing sleeve and second sealing sleeve contact, and then improve the sealing effect between motor shell and motor cover,

[0013] 3, the utility model discloses the cooperation of annular recess and sealing ring strengthens the sealing effect of first sealing sleeve and second sealing sleeve to motor shell distribution disc, thereby strengthens the overall sealing property of motor shell and motor cover. BRIEF DESCRIPTION OF DRAWINGS

[0014] Among them:

[0015] Figure 1 It is the front view cross section schematic diagram of an embodiment of the utility model;

[0016] Figure 2 It is the three-dimensional schematic diagram of first sealing sleeve, second sealing sleeve and advancing assembly of an embodiment of the utility model;

[0017] Figure 3 It is the three-dimensional explosion drawing of first sealing sleeve, second sealing sleeve and advancing assembly of an embodiment of the utility model;

[0018] Figure 4 It is an embodiment of the utility model Figure 3 The local enlarged view of A point in.

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] 1, motor shell, 2, motor cover, 3, first sealing sleeve, 4, second sealing sleeve, 5, bevel extrusion sleeve, 6, bevel recess, 7, fixed ring, 8, advancing assembly, 81, clamping sleeve, 82, sealing ring, 83, limit tube, 84, limit pin, 85, spring, 9, annular recess, 10, sealing ring, 11, circular through hole, 12, screw. DETAILED DESCRIPTION

[0021] Hereinafter, the embodiments of the double sealing structure of the disc distribution flow hydraulic motor of the utility model will be described with reference to the drawings.

[0022] Figures 1-4 The double sealing structure of the disc distribution flow hydraulic motor of an embodiment of the utility model is shown, which comprises a motor shell 1: the right side of the motor shell 1 is fixedly connected with a motor cover 2, the inner cavity of the motor cover 2 is provided with a first sealing sleeve 3 and a second sealing sleeve 4, the inner wall of the first sealing sleeve 3 and the second sealing sleeve 4 is provided with an annular groove 9, the inner cavity of the annular groove 9 is embedded with a sealing ring 10, through the cooperation of the annular groove 9 and the sealing ring 10, the sealing effect of the first sealing sleeve 3 and the second sealing sleeve 4 on the distribution disc of the motor shell 1 is enhanced, thereby the overall sealing property of the motor shell 1 and the motor cover 2 is enhanced, the right side of the first sealing sleeve 3 is fixedly connected with a bevel extrusion sleeve 5, the left side of the second sealing sleeve 4 is provided with a bevel groove 6 matched with the bevel extrusion sleeve 5, through the cooperation of the bevel extrusion sleeve 5 and the bevel groove 6, the first sealing sleeve 3 and the second sealing sleeve 4 are tightly adhered, thereby the tightness of the contact between the first sealing sleeve 3 and the second sealing sleeve 4 is improved, and further the sealing effect between the motor shell 1 and the motor cover 2 is improved, the left side of the first sealing sleeve 3 is fixedly connected with a fixed ring 7, the left side of the first sealing sleeve 3 is provided with a propelling assembly 8, the propelling assembly 8 comprises two clamping sleeves 81 sleeved on the surface of the distribution disc, the surface of the clamping sleeve 81 is provided with two circular through holes 11, the inner cavity of the circular through hole 11 is penetrated through with a screw 12, the two clamping sleeves 81 are fixedly connected through the screw 12, the inner cavity of the clamping sleeve 81 is provided with a sealing ring 82, the right side of the clamping sleeve 81 is fixedly connected with a limiting tube 83, the front end and the rear end of the left side of the fixed ring 7 are both fixedly connected with a limiting pin 84, the surface of the limiting pin 84 is sleeved with a spring 85, the limiting pin 84 is slidingly connected in the inner cavity of the limiting tube 83, the two ends of the spring 85 are respectively welded with the limiting tube 83 and the limiting pin 84.

[0023] Working principle: the utility model uses, the user through the sealing ring 82 is set in the right end of motor shell 1, subsequently two jacket 81 is set in the surface of sealing ring 82, screw 12 is turned into the inner chamber of circular through-hole 11, the jacket 81 and sealing ring 82 are clamped and fixed, subsequently the user will second sealing cover 4 and first sealing cover 3 are inserted into the inner chamber of motor cover 2, and make sealing ring 10 set in the right end of motor shell 1, subsequently spring 85 is set in the surface of limit pin 84, simultaneously make limit pin 84 insert into the inner chamber of limit tube 83, finally through bolt to motor shell 1 and motor cover 2 are installed and fixed, after installation, the position of jacket 81 is relatively fixed, spring 85 continuously generates the thrust to the right side of first sealing cover 3 and advances, make first sealing cover 3 advance to the side of second sealing cover 4, further make bevel extrusion sleeve 5 extrude in the inner chamber of bevel recess 6, thereby improve the stability of motor shell 1 and motor cover 2 after installation can.

[0024] In conclusion: the disc flow distribution hydraulic motor double sealing structure, through the cooperation of first sealing cover 3 and second sealing cover 4, double sealing between motor shell 1 and motor cover 2 is carried out, and the setting of advancing assembly 8 is continuously elastically advanced to first sealing cover 3, and then first sealing cover 3 and second sealing cover 4 are tightly fitted, so that the purpose of continuous extrusion sealing and double sealing is achieved.

Claims

1. A double seal structure of a disc-distributed hydraulic motor, characterized in that: The utility model provides a motor housing (1): the right side fixed connection of motor housing (1) has motor cover (2), the inner chamber of motor cover (2) is provided with first sealing sleeve (3) and second sealing sleeve (4), the left side fixed connection of first sealing sleeve (3) has fixed ring (7), the left side of first sealing sleeve (3) is provided with propelling assembly (8), propelling assembly (8) includes two clamping sleeves (81) of shroud setting in distribution disc surface, the inner chamber of clamping sleeve (81) is provided with sealing ring (82), the right side fixed connection of clamping sleeve (81) has limit tube (83), the front end and rear end of fixed ring (7) left side all are fixedly connected with limit pin (84), the surface of limit pin (84) is provided with spring (85).

2. A dual seal structure for a disc-concentric hydraulic motor according to claim 1, wherein The right side of the first sealing sleeve (3) is fixedly connected with the inclined extrusion sleeve (5), and the left side of the second sealing sleeve (4) is provided with an inclined groove (6) matched with the inclined extrusion sleeve (5).

3. A dual seal structure for a disc-converter hydraulic motor according to claim 2, wherein The limit pin (84) is slidingly connected in the inner cavity of the limit tube (83), and the two ends of the spring (85) are respectively welded with the limit tube (83) and the limit pin (84).

4. The dual seal structure for a swash plate type hydraulic motor according to claim 3, wherein The inner wall of the first sealing sleeve (3) and the second sealing sleeve (4) is provided with an annular groove (9), and the inner cavity of the annular groove (9) is embedded with a sealing ring (10).

5. A dual seal structure for a disc-converter hydraulic motor according to claim 4, wherein The surface of the clamping sleeve (81) is provided with two circular through holes (11), the inner cavity of the circular through hole (11) is provided with a screw (12), and the two clamping sleeves (81) are fixedly connected by the screw (12).

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