Centralized lubrication system based on electric drive rotary valve technology

Abstract

The utility model discloses a centralized lubrication system based on an electrically-driven rotary valve technology, which comprises a valve body, an oil inlet arranged on the rear side of the valve body, a plurality of branch pipes arranged in the middle of the valve body, a distribution pipe communicated with the lower ends of the branch pipes, a driving cavity connected with the front ends of the branch pipes, a valve core arranged on the upper end of the distribution pipe and fixed on a piston frame, an adjusting block is connected into the front side of the piston frame through threads, an annular groove is formed in the front side of the adjusting block and rotationally connected with a moving pipe through threads, the front end of the moving pipe is rotationally connected with a driving rod, the front end of the driving rod is rotationally connected with a driving frame, the driving frame is fixedly connected with an output rod, and the output rod is connected with a driving motor. The adjusting block is driven to rotate through rotation of the pointer, then the piston frame is driven to move through the threads, the distribution amount of all points can be changed according to needs, single-point adjustment is carried out, and the flow can be adjusted in a unified mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to lubricating system technical field, concretely is centralized lubricating system based on electric drive rotary valve technology. BACKGROUND

[0002] In the centralized lubricating field, generally through centralized lubricating system to each friction pair of equipment corresponding lubricating point position timing, quantitative greasing, in order to facilitate the control of the amount of each lubricating point greasing, generally through the oil pipe to each lubricating point is set up solenoid valve, through the controller to the on-off time control of solenoid valve, so that each lubricating point greasing amount and the amount of injection time is completely controllable.

[0003] Chinese patent discloses outer channel rotating shaft distribution valve, distribution device and centralized lubricating system, (authorized announcement number CN221324108 U), the patent technology can through outer channel rotating shaft distribution valve in use process, it is difficult to appear the situation of blockage or jam, but, when each point needs to be lubricated, unified adjustment is inconvenient, and single point needs to set up adjusting valve additionally. Therefore, the utility model provides centralized lubricating system based on electric drive rotary valve technology to solve the problems in the background art. SUMMARY

[0004] The utility model discloses a centralized lubricating system based on electric drive rotary valve technology to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Centralized lubricating system based on electric drive rotary valve technology, including valve body, the rear side of valve body is equipped with oil inlet, and the middle part of valve body is equipped with a plurality of branch pipes, and the lower end of branch pipe is communicated with distribution pipe, and the front end of branch pipe is connected with drive cavity, and the upper end of distribution pipe is equipped with valve core, and valve core is fixed on piston holder, and the inside of the front side of piston holder is connected with adjusting block through screw thread;

[0007] The shaft center of adjusting block is equipped with rectangular groove, and adjusting rod is slidably connected in rectangular groove, and the front side of adjusting block is equipped with annular groove, and annular groove is rotatably connected with moving pipe through screw thread, and the front end of moving pipe is rotatably connected with driving rod, and the front end of driving rod is rotatably connected with driving holder, and driving holder is fixedly connected with output rod, and output rod is connected with driving motor, and the front end of adjusting rod is fixedly connected with pointer, and the outside of pointer is equipped with scale arc, and pointer is connected with positioning bolt through screw hole.

[0008] Preferably, the front part of the valve body is clamped with a filter screen holder, and the upper side of the filter screen holder is provided with a cover.

[0009] Preferably, the filter screen frame is open at the back side, and a plurality of folds are arranged in the filter screen frame to increase the contact area with oil.

[0010] Preferably, the driving frame is a crank, and a gap is arranged for the adjusting rod to pass through.

[0011] Preferably, the driving rods are arranged in pairs and arranged at two sides of the moving pipe to avoid interfering with the movement of the adjusting rod.

[0012] Preferably, a transparent observation window is arranged on the cover to facilitate observation of the inside.

[0013] Preferably, a knob is fixed to the front end of the positioning bolt to facilitate manual adjustment.

[0014] Preferably, the scale arc is an outwardly convex arc-shaped strip, and a scale is arranged on the front side of the scale arc to facilitate observation of the angle of the pointer.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses a rotating driving of the pointer, and the adjusting block is rotated, and then the piston frame is moved through the thread, and the distribution amount of each point can be changed according to the requirement, and single-point adjustment is carried out.

[0017] 2. When the flow needs to be uniformly adjusted, the output rod is rotated through the driving motor, the driving frame is rotated through the output rod, and then the moving pipe and the piston frame are moved through the driving rod, and the flow is adjusted through the valve core, and the openings of the various distribution pipes can be simultaneously adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a structural schematic view of the centralized lubricating system based on the electric driving rotary valve technology.

[0019] Fig. 2 It is a top view sectional structural schematic view of the centralized lubricating system based on the electric driving rotary valve technology.

[0020] Fig. 3 It is a front view sectional structural schematic view of the centralized lubricating system based on the electric driving rotary valve technology.

[0021] In the drawing: 1, valve body; 2, oil inlet; 3, distribution pipe; 4, driving cavity; 5, cover; 6, filter screen frame; 7, distribution pipe; 8, scale arc; 9, pointer; 10, positioning bolt;

[0022] 11, adjusting rod; 12, adjusting block; 13, piston frame; 14, moving pipe; 15, driving rod; 16, driving frame; 17, output rod. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the person skilled in the art without making creative labor belong to the range protected by the present utility model.

[0024] Please refer to Figs. 1-3 In the embodiments of the present utility model, the centralized lubrication system based on the electric drive rotary valve technology comprises a valve body 1, an oil inlet 2 is arranged at the rear side of the valve body 1, a plurality of branch pipes 3 are arranged at the middle part of the valve body 1, the lower ends of the branch pipes 3 are communicated with a distribution pipe 7, the front ends of the branch pipes 3 are connected with a driving cavity 4, a filter screen frame 6 is clamped at the front part of the valve body 1, a cover 5 is arranged at the upper side of the filter screen frame 6, the rear side of the filter screen frame 6 is open, and a plurality of folds are arranged in the filter screen frame 6 to increase the contact area with oil, a valve core is arranged at the upper end of the distribution pipe 7, the valve core is fixed on a piston frame 13, and an adjusting block 12 is connected through threads at the inside of the front side of the piston frame 13.

[0025] A rectangular groove is arranged at the shaft center of the adjusting block 12, an adjusting rod 11 is slidably connected in the rectangular groove, an annular groove is arranged at the front side of the adjusting block 12, the annular groove is rotatably connected with a moving pipe 14 through threads, the front end of the moving pipe 14 is rotatably connected with a driving rod 15, the front end of the driving rod 15 is rotatably connected with a driving frame 16, the driving frame 16 is fixedly connected with an output rod 17, the output rod 17 is connected with a driving motor, the driving frame 16 is a crank, and an interval for the adjusting rod 11 to pass through is arranged, the front end of the adjusting rod 11 is fixedly connected with a pointer 9, a scale arc 8 is arranged at the outside of the pointer 9, a positioning bolt 10 is connected with the pointer 9 through a screw hole, the driving rod 15 is arranged in pairs and arranged at the two sides of the moving pipe 14 to avoid interfering with the movement of the adjusting rod 11, a transparent observation window is arranged on the cover 5 to facilitate the observation of the inside, a knob is fixedly arranged at the front end of the positioning bolt 10 to facilitate manual adjustment, the scale arc 8 is an outwardly protruding arc-shaped strip, a scale is arranged at the front side of the scale arc 8 to facilitate the observation of the angle of the pointer 9.

[0026] The working principle of the present utility model is as follows:

[0027] In use, the oil inlet 2 is communicated with lubricating oil, the distribution pipe 7 is communicated with each lubricating point, the rotation of the pointer 9 drives the rotation of the adjusting block 12, and then the piston frame 13 is moved through threads, the distribution amount of each point can be changed as required, and single-point adjustment is carried out.

[0028] When the flow needs to be uniformly adjusted, the output rod 17 is rotated by driving the motor, the driving frame 16 is rotated by the output rod 17, and then the moving pipe 14 and the piston frame 13 are moved by the driving rod 15, the flow is adjusted by the valve core, the openings of the various distribution pipes 7 can be adjusted at the same time, and meanwhile, the adjusting rod 11 slides in the rectangular groove and does not affect the movement of the piston frame 13.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A centralized lubrication system based on electrically driven rotary valve technology, comprising a valve body (1), the rear side of the valve body (1) is provided with an oil inlet (2), the middle part of the valve body (1) is provided with a plurality of branch pipes (3), the lower end of the branch pipes (3) is communicated with a distribution pipe (7), characterized in that, The front end of the branch pipe (3) is connected with a driving cavity (4), the upper end of the distribution pipe (7) is provided with a valve core, the valve core is fixed on a piston frame (13), the inside of the front side of the piston frame (13) is connected with an adjusting block (12) through screw thread; The adjusting block (12) is provided with a rectangular groove at the axis, the rectangular groove is connected with an adjusting rod (11) through sliding, the front side of the adjusting block (12) is provided with an annular groove, the annular groove is connected with a moving pipe (14) through screw thread rotation, the front end of the moving pipe (14) is connected with a driving rod (15) through rotation, the front end of the driving rod (15) is connected with a driving frame (16) through rotation, the driving frame (16) is fixedly connected with an output rod (17), the output rod (17) is connected with a driving motor, the front end of the adjusting rod (11) is fixedly connected with a pointer (9), the outside of the pointer (9) is provided with a scale arc (8), the pointer (9) is connected with a positioning bolt (10) through screw hole.

2. The centralized lubrication system based on the electrically driven rotary valve technology according to claim 1, characterized in that, The front part of the valve body (1) is clamped with a filter screen frame (6), the upper side of the filter screen frame (6) is provided with a cover (5).

3. The centralized lubrication system based on the electrically driven rotary valve technology according to claim 2, characterized in that, The rear side of the filter screen frame (6) is open, and the filter screen frame (6) is provided with a plurality of wrinkles.

4. The centralized lubrication system based on the electrically driven rotary valve technology according to claim 1, characterized in that, The driving frame (16) is a crank, and is provided with a gap for the adjusting rod (11) to pass through.

5. The centralized lubrication system based on the electrically driven rotary valve technology according to claim 1, characterized in that, The driving rod (15) is arranged in pairs and is arranged on both sides of the moving pipe (14).

6. The centralized lubrication system based on the electrically driven rotary valve technology according to claim 2, characterized in that, The cover (5) is provided with a transparent observation window.

7. The centralized lubrication system based on the electrically driven rotary valve technology according to claim 1, characterized in that, The front end of the positioning bolt (10) is fixedly connected with a knob.

8. The centralized lubrication system based on the electrically driven rotary valve technology according to claim 1, characterized in that, The scale arc (8) is an outwardly convex arc-shaped strip, and the front side of the scale arc (8) is provided with a scale.

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