CN210550825U

CN210550825U - Adjusting and fixing mechanism of proportional adjusting nut of electro proportional valve

Info

Publication number: CN210550825U
Application number: CN201921483113.6U
Authority: CN
Inventors: 黄新辉; 沈文轩; 胡芳川; 万志斌; 付伟红
Original assignee: Shenzhen Renault Intelligent Technology Co Ltd
Current assignee: Shenzhen Renault Intelligent Technology Co Ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-05-19
Anticipated expiration: 2029-09-07

Abstract

The utility model relates to the technical field of installation and adjustment of an electro proportional valve, and discloses an adjusting and fixing mechanism of an electro proportional valve proportional adjusting nut, which comprises an installation plate, a stepping motor is fixedly arranged on the mounting plate, the stepping motor operates to drive the adjusting rod to rotate to adjust the adjusting nut of the proportional valve, the air cylinder operates to push the push plate to move forwards after the adjustment is finished, and drives the fixing plate and the push rod to move forwards, the push rod moves forwards to push the first punch and the second punch to expand outwards through the first connecting rod and the second connecting rod, a part of forward thrust is converted into thrust of the punches towards two sides, and therefore enough force is generated to fix the adjusting nut of the proportional valve on the positioning groove, comparative example nut fixes, the utility model discloses simple structure has solved the more troublesome problem of proportional nut regulation, has just can accomplish the regulation and the fixed effect of comparative example nut on same equipment.

Description

Adjusting and fixing mechanism of proportional adjusting nut of electro proportional valve

Technical Field

The utility model relates to an installation and the regulation technical field of electricity proportional valve specifically are an electricity proportional valve proportional control nut's regulation and fixed establishment.

Background

In the existing test of the electro-proportional valve, the adjustment and the fixed positioning of the proportional adjusting nut are usually carried out after the adjusting nut of the electro-proportional valve is adjusted, the adjusting nut is manually transferred to another device and manually pressed and fixed by manpower, the electro-proportional valve adjusting test device adopts a method of dividing the adjustment and the fixation into two devices, the fixation is that the electro-proportional valve is manually placed in the fixation device, and then the fixation of the proportional adjusting nut is manually completed by using a quadrilateral steel column, the method can reduce the test efficiency, the looseness of the proportional adjusting nut can be caused in the transferring process of the electro-proportional valve, the test precision is influenced, the consumption speed of the steel column used for fixation is high, the cost of the detection test is increased, therefore, how to efficiently adjust and fix the proportional adjusting nut of the electro-proportional valve, becomes a technical problem which needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an electro proportional valve proportional control nut's regulation and fixed establishment possesses the regulation and the fixed advantage of accomplishing proportional valve proportional control nut on same equipment, has solved the trouble problem of electro proportional valve proportional control nut regulation.

(II) technical scheme

For the regulation and the fixed purpose of accomplishing above-mentioned proportional valve adjusting nut on same equipment, the utility model provides a following technical scheme: an adjusting and fixing mechanism of an electric proportional valve proportional adjusting nut comprises a mounting plate, wherein a motor pad is fixedly connected to the outer wall of the mounting plate, a stepping motor is fixedly connected to the outer wall of the motor pad, an adjusting rod is fixedly connected to the top of an output shaft of the stepping motor, a push plate is inserted into the left side of the outer wall of the adjusting rod, a first cylinder output shaft is fixedly connected to the upper portion of the left side of the push plate, a second cylinder output shaft is fixedly connected to the lower portion of the left side of the push plate, a fixing plate is fixedly connected to the middle portion of the right side of the push plate, a push rod is fixedly connected to the middle portion of the right side of the fixing plate, a positioning block is movably connected to the outer wall of the push rod, a mounting seat is fixedly connected to the left side of the positioning block, a first hinge seat is fixedly connected to the, the right side lower part fixedly connected with second of locating piece articulates the seat, the inner wall of the articulated seat of second articulates there is the second drift, the outer wall of second drift articulates there is the second connecting rod, first connecting rod and second connecting rod all articulate on the outer wall of catch bar, equal swing joint has the pin on the outer wall of first connecting rod and second connecting rod, the right-hand member swing joint of first drift and second drift has the valve head, the right side fixedly connected with proportional valve of valve head.

Preferably, the outer wall of the adjusting rod is respectively inserted with the push plate, the fixing plate and the push rod, so that the adjusting rod can be adjusted at the top of the device according to the proportional valve, the adjusting and fixing effects on the same machine are achieved, the working efficiency is greatly improved, and the labor cost is saved.

Preferably, the shapes of the inner side walls of the first punch and the second punch are matched with the shape of the adjusting rod, so that the first punch and the second punch can be matched with the adjusting rod in a closed state to form a whole, the proportional valve can be conveniently adjusted, and the adjusting nut can be accurately fixed after the adjustment is finished.

Preferably, the right side of catch bar is pegged graft with the center space of the articulated seat of first articulated seat and second, makes the catch bar round trip movement in the space between the articulated seat of first articulated seat and second, and then drives the opening and shutting of first drift and the red head of second, conveniently carries out adjusting nut's fixed.

Preferably, between first articulated seat and the first drift, between first drift and the first connecting rod, between articulated seat of second and the second drift and between second drift and the second connecting rod all through pin joint, make the junction more durable and nimble through pin joint, can not take place the drift circumstances such as rock from top to bottom after permanent use yet, increased the life of device, practiced thrift the purchase cost.

Preferably, mount pad fixed connection makes locating piece and articulated piece can be fixed on the outer wall of mounting panel, and then makes the device can be more stable adjust and fix the proportional valve, makes the work of device more high-efficient.

Preferably, the positioning block is composed of three layers of circular plates with different sizes, the three layers of circular plates enable the positioning block to be installed more stably and bear larger thrust, the positioning block cannot be easily deformed under the pushing of the air cylinder, and the stability of the device is improved.

(III) advantageous effects

Compared with the prior art, the utility model provides an electro proportional valve proportional control nut's regulation and fixed establishment possesses following beneficial effect:

1. this electricity proportional valve proportional control nut's regulation and fixed establishment, the step motor operation that stacks up through the motor drives the regulation pole and can rotate, the push pedal has been pegged graft again to the regulation pole, fixed plate and catch bar arrival device's top, can contact with the valve head of proportional valve, consequently, can carry out automatic accurate regulation through step motor's operation proportional valve's adjusting nut, the comparatively trouble problem of regulation in the device in the past has been solved, through the motor pad, step motor, the regulation pole, the push pedal, the fixed plate, the catch bar, cooperation between proportional valve and the valve head is used, thereby reached can carry out automatic accurate effect of adjusting to proportional valve's adjusting nut.

2. The adjusting and fixing mechanism of the proportional adjusting nut of the electric proportional valve pushes the push plate to move forwards through the operation of the first air cylinder and the second air cylinder, the push plate moves forwards to drive the fixing plate to move forwards, the fixing plate moves forwards to drive the push rod on the right side of the fixing plate to move forwards, the push rod moves forwards to push the first connecting rod and the second connecting rod hinged at the right end of the push rod to move and expand outwards, the first connecting rod and the second connecting rod expand outwards to drive the first punch and the second punch to expand outwards, one part of forward thrust is converted into thrust of the punches towards two sides, and therefore enough force can be generated to fix the adjusting nut of the proportional valve on the positioning groove, through the cooperation use between first cylinder, second cylinder, push pedal, fixed plate, catch bar, first connecting rod, second connecting rod, first drift, second drift and the proportional valve to reach the effect that can fix adjusting nut by the efficient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a side view of a positioning block portion of the present invention.

In the figure: the device comprises a mounting plate 1, a motor pad 2, a stepping motor 3, a first cylinder 4, a second cylinder 5, a push plate 6, a regulating rod 7, a proportional valve 8, a fixing plate 9, a push rod 10, a mounting seat 11, a positioning block 12, a first hinged seat 13, a second hinged seat 14, a first punch 15, a second punch 16, a first connecting rod 17, a second connecting rod 18, a pin 19 and a valve head 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an adjusting and fixing mechanism for an electro proportional valve proportional adjusting nut comprises a mounting plate 1, a motor pad 2 is fixedly connected to the outer wall of the mounting plate 1, a stepping motor 3 is fixedly connected to the outer wall of the motor pad 2, an adjusting rod 7 is fixedly connected to the top of an output shaft of the stepping motor 3, a push plate 6 is inserted into the left side of the outer wall of the adjusting rod 7, the outer wall of the adjusting rod 7 is respectively inserted into the push plate 6, a fixing plate 9 and a push rod 10, so that the adjusting rod 7 can be adjusted on a proportional valve 8 at the top of the device, thereby achieving the effect of adjusting and fixing on the same machine, greatly improving the working efficiency and saving the labor cost, a first cylinder 4 output shaft is fixedly connected to the upper portion of the left side of the push plate 6, a second cylinder 5 output shaft is fixedly connected to the lower portion of, a push rod 10 is fixedly connected to the middle of the right side of the fixed plate 9, a positioning block 12 is movably connected to the outer wall of the push rod 10, the positioning block 12 is composed of three layers of circular plates with different sizes, the three layers of circular plates enable the positioning block 12 to be installed more stably and bear larger thrust, the positioning block cannot be easily deformed under the pushing of an air cylinder, the stability of the device is improved, a mounting seat 11 is fixedly connected to the left side of the positioning block 12, the mounting seat 11 is fixedly connected to the outer wall of the mounting plate 1, the positioning block 12 and the hinge block can be fixed, further, the device can be adjusted and fixed more stably for the proportional valve 8, the work of the device is more efficient, a first hinge seat 13 is fixedly connected to the upper portion of the right side of the positioning block 12, a first punch 15 is hinged to the inner wall of the first hinge seat 13, a first connecting rod 17 is hinged to the outer wall, the right side of the push rod 10 is inserted into a central gap between the first hinged seat 13 and the second hinged seat 14, so that the push rod 10 can move back and forth in the gap between the first hinged seat 13 and the second hinged seat 14, and further the first punch 15 and the second punch 19 are driven to open and close, the adjusting nut is conveniently fixed, the inner wall of the second hinged seat 14 is hinged with the second punch 16, the shape of the inner side wall of the first punch 15 and the shape of the inner side wall of the second punch 16 are matched with the shape of the adjusting rod 7, so that the first punch 15 and the second punch 16 can be matched with the adjusting rod 7 in a closed state to form a whole body, the adjusting nut is conveniently adjusted, the adjusting nut can be accurately fixed after adjustment is completed, the outer wall of the second punch 16 is hinged with the second connecting rod 18, the first connecting rod 17 and the second connecting rod 18 are both hinged on the outer wall of the push rod 10, and the outer walls of the first connecting rod 17 and the second connecting rod 18 are both movably connected, between first articulated seat 13 and first drift 15, between first drift 15 and the first connecting rod 17, between second articulated seat 14 and the second drift 16 and between second drift 16 and the second connecting rod 18 all articulated through pin 19, it is more durable and nimble to make the junction through pin 19 connection, also can not take place the drift condition such as rock from top to bottom after permanent use, the life of device has been increased, the purchase cost is practiced thrift, the right-hand member swing joint of first drift 15 and second drift 16 has valve head 20, the right side fixed connection of valve head 20 has proportional valve 8.

The working principle is as follows: the stepping motor 3 operates to drive the adjusting rod 7 to rotate the adjusting nut of the proportional valve 8 to automatically and accurately adjust, after the adjustment is completed, the first air cylinder 4 and the second air cylinder 5 operate to push the push plate 6 to move forwards, the push plate 6 moves forwards to drive the fixing plate 9 and the push rod 10 to move forwards, the push rod 10 moves forwards to push the first connecting rod 17 and the second connecting rod 18 to expand outwards, so that the first punch 15 and the second punch 16 expand outwards, a part of forward thrust is converted into thrust of the punches towards two sides, and therefore enough force is generated to fix the adjusting nut of the proportional valve 8 on the positioning groove, and the fixation of the proportional nut is completed.

To sum up, the adjusting and fixing mechanism of the proportional adjusting nut of the electric proportional valve drives the adjusting rod 7 to rotate by the operation of the stepping motor 3 on the motor pad 2, the adjusting rod 7 is inserted into the push plate 6, the fixing plate 9 and the push rod 10 to reach the top of the device and can be contacted with the valve head 20 of the proportional valve 8, so that the adjusting nut of the proportional valve 8 can be automatically and accurately adjusted by the operation of the stepping motor 3, the problem of troublesome adjustment in the prior device is solved, and the adjusting nut of the proportional valve 8 can be automatically and accurately adjusted by the matching use among the motor pad 2, the stepping motor 3, the adjusting rod 7, the push plate 6, the fixing plate 9, the push rod 10, the proportional valve 8 and the valve head 20; in the aspect of fixing the adjusting nut, the first air cylinder 4 and the second air cylinder 5 operate to push the push plate 6 to move forwards, the push plate 6 moves forwards to drive the fixing plate 9 to move forwards, the fixing plate 9 moves forwards to drive the push rod 10 on the right side of the fixing plate to move forwards, the push rod 10 moves forwards to push the first connecting rod 17 and the second connecting rod 18 hinged at the right end of the fixing plate to move and expand outwards, the first connecting rod 17 and the second connecting rod 18 expand outwards to drive the first punch 15 and the second punch 16 to expand outwards, a part of forward thrust is converted into thrust of the punches towards two sides, and therefore enough force can be generated to fix the adjusting nut of the proportional valve 8 on the positioning groove, through the cooperation use between first cylinder 4, second cylinder 5, push pedal 6, fixed plate 9, catch bar 10, first connecting rod 17, second connecting rod 18, first drift 15, second drift 16 and the proportional valve 8 to reach the effect that can fix adjusting nut by the efficient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electricity proportional valve proportional control nut's regulation and fixed establishment, includes mounting panel (1), its characterized in that: the outer wall of the mounting plate (1) is fixedly connected with a motor pad (2), the outer wall of the motor pad (2) is fixedly connected with a stepping motor (3), the top of an output shaft of the stepping motor (3) is fixedly connected with an adjusting rod (7), the left side of the outer wall of the adjusting rod (7) is spliced with a push plate (6), the upper portion of the left side of the push plate (6) is fixedly connected with an output shaft of a first air cylinder (4), the lower portion of the left side of the push plate (6) is fixedly connected with an output shaft of a second air cylinder (5), the middle portion of the right side of the push plate (6) is fixedly connected with a fixing plate (9), the middle portion of the right side of the fixing plate (9) is fixedly connected with a push rod (10), the outer wall of the push rod (10) is movably connected with a positioning block (12), the left side of the positioning block (, the inner wall of first articulated seat (13) articulates there is first drift (15), the outer wall of first drift (15) articulates there is first connecting rod (17), the articulated seat of right side lower part fixedly connected with second (14) of locating piece (12), the inner wall of the articulated seat of second (14) articulates there is second drift (16), the outer wall of second drift (16) articulates there is second connecting rod (18), first connecting rod (17) and second connecting rod (18) all articulate on the outer wall of catch bar (10), equal swing joint has pin (19) on the outer wall of first connecting rod (17) and second connecting rod (18), the right-hand member swing joint of first drift (15) and second drift (16) has valve head (20), the right side fixedly connected with proportion valve (8) of valve head (20).

2. The adjusting and fixing mechanism of the electro proportional valve proportional adjusting nut as claimed in claim 1, wherein: the outer wall of the adjusting rod (7) is respectively inserted with the push plate (6), the fixing plate (9) and the push rod (10).

3. The adjusting and fixing mechanism of the electro proportional valve proportional adjusting nut as claimed in claim 1, wherein: the shapes of the inner side walls of the first punch head (15) and the second punch head (16) are matched with the shape of the adjusting rod (7).

4. The adjusting and fixing mechanism of the electro proportional valve proportional adjusting nut as claimed in claim 1, wherein: the right side of the push rod (10) is inserted into the central gap of the first hinged seat (13) and the second hinged seat (14).

5. The adjusting and fixing mechanism of the electro proportional valve proportional adjusting nut as claimed in claim 1, wherein: the first hinged seat (13) and the first punch (15), the first punch (15) and the first connecting rod (17), the second hinged seat (14) and the second punch (16) and the second connecting rod (18) are hinged through pins (19).

6. The adjusting and fixing mechanism of the electro proportional valve proportional adjusting nut as claimed in claim 1, wherein: the mounting seat (11) is fixedly connected to the outer wall of the mounting plate (1).

7. The adjusting and fixing mechanism of the electro proportional valve proportional adjusting nut as claimed in claim 1, wherein: the positioning block (12) is composed of three layers of circular plates with different sizes.