Filtering device of gas pressure regulator

Abstract

The utility model discloses a fuel gas pressure regulator filtering device, relates to the technical field of fuel gas pressure regulators, and comprises a fuel gas pressure regulator body, the outer wall of the fuel gas pressure regulator body is fixedly connected with an air inlet pipe, the outer wall of the air inlet pipe is fixedly connected with a first mounting cover, and the outer wall of the first mounting cover is detachably connected with a second mounting cover. A control box is fixedly connected to the outer wall of the air inlet pipe, a servo motor is fixedly connected to the outer wall of the control box, and by arranging the adjusting plate, when the gas pressure regulator is used daily, in order to improve the sealing effect of the inner wall of the air inlet pipe when the filter screen is disassembled, assembled and replaced, the situation that the inner wall of the air inlet pipe is exposed outside when the filter screen is disassembled, assembled and replaced is reduced, and the sealing effect of the inner wall of the air inlet pipe is improved. And dust enters the pressure regulator through rotation of a worm, a servo motor can be started to drive a worm gear to rotate through rotation of the worm, the worm gear rotates to drive an adjusting plate to turn over, and the effect of effectively sealing and shielding the inner wall of the air inlet pipe is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas pressure regulator technical field, concretely is a kind of gas pressure regulator filter device. BACKGROUND

[0002] Gas pressure regulator is also called gas pressure regulating valve, is the equipment that is changed through automatic regulating valve gas flow, makes export gas to keep prescribed pressure, usually divided into direct-acting type and indirect-acting type two, pressure regulator is a special valve on gas pipeline, no matter how the flow and upstream pressure of gas change, it can keep downstream pressure steady device.

[0003] Such as the announcement number CN 220134734 U discloses a kind of gas pressure regulator with filter device, including gas pressure regulator body, first installation cover and second installation cover, the input end of the gas pressure regulator body is equipped with air inlet pipe, and first installation cover is installed at the end of air inlet pipe away from gas pressure regulator body, the end of first installation cover away from air inlet pipe is equipped with second installation cover, and the edge position of first installation cover away from air inlet pipe is provided with sealing slot, the utility model is equipped with first installation cover, filter screen and second installation cover, when using, first installation cover and second installation cover are closed, and filter screen is installed in the inside of second installation cover, filter gas through filter screen, can filter the impurity in gas, avoid that impurity enters the inside of gas pressure regulator body through air inlet pipe, to avoid the influence on the pressure regulating process of gas.

[0004] But this kind of gas pressure regulator filter device when using, although can be better filter use operation to gas pressure regulator, but when filter screen is clamped disassembly and replacement, the sealing effect of air inlet pipe inner wall is not high, filter screen disassembly and replacement are likely to expose air inlet pipe to outside, cause dust to enter pressure regulator and affect the stability of long-time use of pressure regulator.

[0005] Therefore, in view of the above, the existing structure is improved, and a gas pressure regulator filter device is provided. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of gas pressure regulator filter device, to solve the problem of the sealing effect of air inlet pipe inner wall being not high when filter screen is clamped disassembly and replacement in the background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A kind of gas pressure regulator filtering device, the outer wall of the gas pressure regulator body is fixedly connected with air inlet pipe, the outer wall of the air inlet pipe is fixedly connected with first installation cover, the outer wall of the first installation cover is detachably connected with second installation cover, the outer wall of the air inlet pipe is fixedly connected with control box, the outer wall of the control box is fixedly connected with servo motor, the output of the servo motor is fixedly connected with the rotation connection of worm in control box inner wall, the outer wall of the worm is engaged with the rotation connection of worm gear in control box inner wall, the rotation center of the worm gear is fixedly connected with the rotation connection of adjusting plate in air inlet pipe inner wall by pivot, the outer wall of the second installation cover is fixedly connected with the sliding connection of sealing plug-in board in first installation cover inner wall, the connecting part of the inner wall of the first installation cover and sealing plug-in board is equipped with sealing slot, the outer wall of the second installation cover is fixedly connected with the protection board of sleeve in the outer wall of the first installation cover, the inner wall of the first installation cover is detachably connected with filter screen.

[0008] Further, the outer wall of the protection board is fixedly connected with the plug rod engaged with the outer wall of the first installation cover, the outer wall of the filter screen is fixedly connected with the plug block, the inner side wall of the first installation cover is fixedly connected with the mounting block slidingly connected with the outer wall of the plug block, the outer wall of the first installation cover is provided with a nut, the inner wall of the nut is threadedly connected with the bolt slidingly connected with the outer wall of the plug block, the connecting part of the outer wall of the plug block and the bolt is provided with a first clamping groove, and the connecting part of the outer wall of the plug rod and the bolt is provided with a second clamping groove.

[0009] Further, the outer wall of the worm is provided with two groups of spirals, and the two groups of spirals on the surface of the worm are oppositely arranged.

[0010] Further, the adjusting plate forms a flip structure between the worm and the air inlet pipe through the worm and the worm gear, and the adjusting plate is provided with two groups, and the flipping directions of the two groups of adjusting plates are opposite.

[0011] Further, the outer walls of the sealing plug-in board and the sealing slot are both in the shape of a Chinese character "kou".

[0012] Further, the plug block and the mounting block are both provided with four groups, and the positions of the four groups of plug blocks and mounting blocks are distributed around the filter screen.

[0013] Further, the first clamping groove and the second clamping groove are both arranged on the movement trajectory of the bolt, the plug rod is provided with four groups, and the positions of the four groups of plug rods are distributed around the filter screen.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The utility model discloses a setting of adjusting plate, when in daily use to gas pressure regulator, in order to improve the effect of filter screen dismounting replacement to the air inlet pipe inner wall closure, reduce filter screen dismounting replacement, make the air inlet pipe inner wall expose to the outside, make dust enter the inside of pressure regulator, can open servo motor through the rotation of worm, drive worm wheel to rotate, the rotation of worm wheel drives adjusting plate to overturn movement, play the effect of effective sealing of air inlet pipe inner wall shielding;

[0016] 2. The utility model discloses a setting of plug -in block and sealing plug -in board, when in filter screen installation use, in order to improve the convenience of filter screen snap -on dismounting use, and improve the multiple sealing effect of installation cover between connection use, can insert sealing plug -in board into sealing slot, and make protective plate sleeve to the surface of first installation cover, and make plug -in block insert to the inner wall of installation block, simultaneously, the location effect of rotating bolt through nut makes bolt slip into the inner wall of first clamping groove and second clamping groove, reaches the effect of synchronous snap -on fixed use of filter screen and protective plate. DRAWINGS

[0017] Figure 1 It is the three -dimensional structure schematic diagram of gas pressure regulator;

[0018] Figure 2 It is another direction's three -dimensional structure schematic diagram of gas pressure regulator;

[0019] Figure 3 It is the connection structure schematic diagram of worm and worm wheel;

[0020] Figure 4 It is filter screen position distribution structure schematic diagram;

[0021] Figure 5 It is sealing plug -in board and sealing slot position distribution cross -section structure schematic diagram;

[0022] Figure 6 It is first clamping groove position distribution structure schematic diagram.

[0023] In the drawing: 1, gas pressure regulator body;2, air inlet pipe;3, first installation cover;4, second installation cover;5, control box;6, servo motor;7, worm;8, worm wheel;9, adjusting plate;10, sealing plug -in board;11, sealing slot;12, protective plate;13, plug -in rod;14, filter screen;15, plug -in block;16, installation block;17, nut;18, bolt;19, first clamping groove;20, second clamping groove. DETAILED DESCRIPTION

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment 1: As Figures 1-4 shown, a gas pressure regulator filtering device includes a gas pressure regulator body 1. An air inlet pipe 2 is fixedly connected to the outer wall of the gas pressure regulator body 1. A first mounting cover 3 is fixedly connected to the outer wall of the air inlet pipe 2. A second mounting cover 4 is detachably connected to the outer wall of the first mounting cover 3. A control box 5 is fixedly connected to the outer wall of the air inlet pipe 2. A servo motor 6 is fixedly connected to the outer wall of the control box 5. The output end of the servo motor 6 is fixedly connected to a worm 7 that is rotatably connected to the inner wall of the control box 5. A worm gear 8 that is rotatably connected to the inner wall of the control box 5 is meshed with the outer wall of the worm 7. The rotation center of the worm gear 8 is fixedly connected to an adjusting plate 9 that is rotatably connected to the inner wall of the air inlet pipe 2 through a rotating shaft. A sealing plug 10 that is slidably connected to the inner wall of the first mounting cover 3 is fixedly connected to the outer wall of the second mounting cover 4. A sealing slot 11 is provided at the connection part between the inner wall of the first mounting cover 3 and the sealing plug 10. A protective plate 12 sleeved on the outer wall of the first mounting cover 3 is fixedly connected to the outer wall of the second mounting cover 4. A filter screen 14 is detachably connected to the inner wall of the first mounting cover 3.

[0026] Furthermore, two sets of spirals are provided on the outer wall of the worm 7, and the two sets of spirals on the surface of the worm 7 are arranged in opposite directions, which is beneficial to the arrangement of two sets of opposite spirals on the surface of the worm 7, playing a role in driving the relative flipping movement of the two adjusting plates 9.

[0027] Furthermore, the adjusting plate 9 forms a flipping structure with the air inlet pipe 2 through the worm 7 and the worm gear 8. Two adjusting plates 9 are provided, and the flipping directions of the two adjusting plates 9 are opposite, which is beneficial to the rotation of the worm 7. Through the connection of the worm gear 8, the adjusting plate 9 is driven to perform a flipping movement along the inner wall of the air inlet pipe 2, playing a role in effectively shielding and sealing the pressure regulator when the filter screen 14 is disassembled and assembled.

[0028] Furthermore, the outer wall contours of the sealing plug 10 and the sealing slot 11 are both in the shape of a "mouth", which is beneficial to the multiple sealing of the connection part of the mounting cover through the setting that the outer wall contours of the sealing plug 10 and the sealing slot 11 are both in the shape of a "mouth".

[0029] Embodiment 2: As Figures 1-6As shown in the utility model discloses a kind of gas pressure regulator filtering devices, compared to embodiment one, as another embodiment of the utility model, the outer wall of protective plate 12 is fixedly connected with the insertion rod 13 that is engaged with the outer wall of first mounting cover 3, the outer wall of filter screen 14 is fixedly connected with insertion block 15, the inner side wall of first mounting cover 3 is fixedly connected with the mounting block 16 that is slidably connected with the outer wall of insertion block 15, the outer wall of first mounting cover 3 is provided with nut 17, the inner wall of nut 17 is threadedly connected with the screw bolt 18 that is slidably connected with the outer wall of insertion block 15, the connecting part of the outer wall of insertion block 15 and screw bolt 18 is provided with first clamping groove 19, the connecting part of the outer wall of insertion rod 13 and screw bolt 18 is provided with second clamping groove 20, when working, by being provided with insertion block 15 and sealing plug-in plate 10, it is favorable when installing and using filter screen 14, to improve the convenience of filter screen 14 engagement disassembly and use, and improve the multiple sealing effect when being connected and used between mounting cover, sealing plug-in plate 10 can be inserted into sealing slot 11, and protective plate 12 is sleeved to the surface of first mounting cover 3, and insertion block 15 is inserted into the inner wall of mounting block 16, simultaneously, rotating screw bolt 18 is limited by the location effect of nut 17, so that screw bolt 18 is slid into the inner wall of first clamping groove 19 and second clamping groove 20, reach the effect of synchronous engagement and fixed use of filter screen 14 and protective plate 12.

[0030] Further, insertion block 15 and mounting block 16 are provided with four groups, the positions of the four groups of insertion block 15 and mounting block 16 are distributed around filter screen 14, which is favorable for improving the stability of filter screen 14 engagement installation and use by being provided with four groups of insertion block 15 and mounting block 16 whose positions are distributed around filter screen 14.

[0031] Further, first clamping groove 19 and second clamping groove 20 are arranged on the movement track of screw bolt 18, insertion rod 13 is provided with four groups, and the positions of the four groups of insertion rod 13 are distributed around filter screen 14, which is favorable for achieving the effect of multiple engagement and fixation of filter screen 14 and protective plate 12 by arranging first clamping groove 19 and second clamping groove 20 on the movement track of screw bolt 18.

[0032] Working principle: when using the gas pressure regulator filtering device, first, when using the gas pressure regulator daily, in order to improve the effect of closing the inner wall of air inlet pipe 2 when disassembling and replacing filter screen 14, reduce the exposure of the inner wall of air inlet pipe 2 when disassembling and replacing filter screen 14, so that dust enters the inside of the regulator, the servo motor 6 can be opened to rotate the worm 7, drive the worm wheel 8 to rotate, and the rotation of the worm wheel 8 drives the adjusting plate 9 to flip, which effectively seals and blocks the inner wall of the air inlet pipe 2.

[0033] Finally, when installing and using the filter screen 14, in order to improve the convenience of engaging, disengaging, installing and using the filter screen 14, and improve the multiple sealing effect when connecting and using the installation cover, the sealing plug plate 10 is inserted into the sealing plug slot 11, the protective plate 12 is sleeved on the surface of the first installation cover 3, the plug block 15 is inserted into the inner wall of the installation block 16, and the bolt 18 is rotated and limited by the nut 17, so that the bolt 18 slides into the inner wall of the first clamping groove 19 and the second clamping groove 20, and the synchronous engagement and fixing effect of the filter screen 14 and the protective plate 12 is achieved.

[0034] This is the working principle of the gas pressure regulator filter device.

[0035] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A gas pressure regulator filtering device comprising a gas pressure regulator body (1), characterized in that, The outer wall of the gas pressure regulator body (1) is fixedly connected with an air inlet pipe (2), the outer wall of the air inlet pipe (2) is fixedly connected with a first mounting cover (3), the outer wall of the first mounting cover (3) is detachably connected with a second mounting cover (4), the outer wall of the air inlet pipe (2) is fixedly connected with a control box (5), the outer wall of the control box (5) is fixedly connected with a servo motor (6), the output end of the servo motor (6) is fixedly connected with a worm (7) rotatably connected with the inner wall of the control box (5), the outer wall of the worm (7) is engaged with a worm gear (8) rotatably connected with the inner wall of the control box (5), the rotation center of the worm gear (8) is fixedly connected with an adjusting plate (9) rotatably connected with the inner wall of the air inlet pipe (2) through a rotating shaft, the outer wall of the second mounting cover (4) is fixedly connected with a sealing plug plate (10) slidably connected with the inner wall of the first mounting cover (3), the inner wall of the first mounting cover (3) is provided with a sealing slot (11) at the connecting part of the sealing plug plate (10), the outer wall of the second mounting cover (4) is fixedly connected with a protective plate (12) sleeved on the outer wall of the first mounting cover (3), and the inner wall of the first mounting cover (3) is detachably connected with a filter screen (14).

2. A gas pressure regulator filter device according to claim 1, wherein, The outer wall of the protective plate (12) is fixedly connected with a plug rod (13) engaged with the outer wall of the first mounting cover (3), the outer wall of the filter screen (14) is fixedly connected with a plug block (15), the inner side wall of the first mounting cover (3) is fixedly connected with a mounting block (16) slidably connected with the outer wall of the plug block (15), the outer wall of the first mounting cover (3) is provided with a nut (17), the inner wall of the nut (17) is threadedly connected with a bolt (18) slidably connected with the outer wall of the plug block (15), the outer wall of the plug block (15) is provided with a first clamping groove (19) at the connecting part of the bolt (18), and the outer wall of the plug rod (13) is provided with a second clamping groove (20) at the connecting part of the bolt (18).

3. A gas pressure regulator filter device according to claim 1, wherein, The outer wall of the worm (7) is provided with two groups of spirals, and the two groups of spirals on the surface of the worm (7) are oppositely arranged.

4. A gas pressure regulator filter device according to claim 1, wherein, The adjusting plate (9) forms a flip structure between the worm (7) and the worm gear (8) and the air inlet pipe (2), the adjusting plate (9) is provided with two groups, and the flipping directions of the two groups of adjusting plates (9) are opposite.

5. A gas pressure regulator filter device according to claim 1, wherein, The outer walls of the sealing plug plate (10) and the sealing slot (11) are both "mouth" shaped.

6. A gas pressure regulator filter device according to claim 2, wherein, The plug block (15) and the mounting block (16) are all provided with four groups, and the positions of the four groups of plug blocks (15) and mounting blocks (16) are all distributed around the filter screen (14).

7. A gas pressure regulator filter device according to claim 2, wherein, The first clamping groove (19) and the second clamping groove (20) are both arranged on the movement track of the bolt (18), the plug rod (13) is provided with four groups, and the positions of the four groups of plug rods (13) are all distributed around the filter screen (14).

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