Pressure control device for nitrogen making machine

Abstract

The utility model relates to the technical field of nitrogen making, and discloses a pressure control device for a nitrogen making machine, which comprises a nitrogen making assembly, a filter assembly is arranged on one side of the nitrogen making assembly, the nitrogen making assembly comprises a nitrogen making machine body, the filter assembly comprises a filter box, a motor is arranged on the upper surface of the filter box, and the output end of the motor is fixedly connected with a steering gear. The output end of the steering gear is fixedly connected with a transmission shaft, the transmission shaft is rotatably installed on the filter box, one side of the transmission shaft is provided with a valve element, the valve element is arranged in the filter box, the other side of the transmission shaft is provided with a filter plate, the filter plate is installed in the filter box, one side of the filter plate is provided with a mounting plate, and the lower bottom face of the mounting plate is fixedly connected with a brush; a spring is elastically connected between the filter plate and the mounting plate, air entering the filter box is filtered by arranging the filter assembly, the filter screen and the filter plate, and the filter plate can be cleaned through a brush while the rotation angle of the valve element is adjusted through the motor.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen making technical field especially, it relates to nitrogen making machine pressure control device. BACKGROUND

[0002] Nitrogen making machine pressure control device is very important one component part in nitrogen making machine system, it is mainly used for controlling the output pressure of nitrogen, ensure that nitrogen making machine works under the stable pressure condition, can also make the output nitrogen pressure satisfy the requirement of subsequent use equipment or process.

[0003] Nitrogen making machine pressure control device mainly comprises pressure sensor, controller, actuating mechanism and display and alarm unit, it is generally installed in the air inlet of nitrogen making machine, thereby guaranteeing the stability of air into nitrogen making machine, so as to ensure that nitrogen making machine can stably run, but air contains a certain amount of impurities, if not filtering these impurities, will affect the normal operation of pressure control device, and seriously, it will also affect the service life of nitrogen making machine. UTILITY MODEL CONTENTS

[0004] The utility model discloses a nitrogen making machine pressure control device, which solves the problem of impurities in the air affecting the normal operation of the pressure control device and the service life of the nitrogen making machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a nitrogen making machine pressure control device, comprising a nitrogen making assembly, a filter assembly is arranged on one side of the nitrogen making assembly, the nitrogen making assembly comprises a nitrogen making machine body, the filter assembly comprises a filter box, the filter box is fixedly installed on one side of the nitrogen making machine body, a motor is arranged on the upper surface of the filter box, a steering gear is fixedly connected to the output end of the motor, a transmission shaft is fixedly connected to the output end of the steering gear, the transmission shaft is rotatably installed on the filter box, a valve core is arranged on one side of the transmission shaft, the valve core is arranged in the filter box, a filter plate is arranged on the other side of the transmission shaft, the filter plate is installed in the filter box, an installation plate is arranged on one side of the filter plate, a brush is fixedly connected to the lower bottom surface of the installation plate, and a spring is elastically connected between the filter plate and the installation plate.

[0006] Preferably, the other side of the nitrogen making machine body is fixedly connected with a mounting ring, a plurality of mounting holes are formed in the mounting ring;

[0007] The nitrogen making machine body and other devices are connected together to facilitate nitrogen making operation.

[0008] Preferably, the input end of the filter box is fixedly connected with a suction hood, and a filter screen is arranged in the suction hood;

[0009] The air is introduced into the filter box, and the entering air is simply and preliminarily filtered.

[0010] Preferably, the lower end of the transmission shaft is provided with a driving gear, the upper end of the valve core is fixedly connected with a driven gear, the outer surface of the driving gear is in meshing connection with the driven gear, and the number of teeth of the driving gear is less than that of the driven gear.

[0011] The driving gear drives the driven gear to rotate the valve core, and the rotation angle of the valve core is better controlled.

[0012] Preferably, the outer surface of the transmission shaft is fixedly connected with a half gear, and the mounting plate is matched with the half gear.

[0013] The half gear drives the mounting plate to move, so that the brush cleans the filter plate.

[0014] Preferably, the upper surface of the filter plate is fixedly connected with a handle.

[0015] The handle facilitates the operator to lift the filter plate.

[0016] Preferably, a guide groove is formed in the filter plate, and a guide strip is fixedly connected to one side of the mounting plate and in sliding connection with the outer surface of the guide groove.

[0017] The guide strip guides the mounting plate to move linearly along the set track.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] The pressure control device for the nitrogen making machine has the filter assembly, the filter net and the filter plate are arranged to filter the air entering the filter box, and the brush can clean the filter plate while the motor adjusts the rotation angle of the valve core. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the present application;

[0021] Figure 2 It is a whole structure schematic view of the nitrogen making assembly of the present application;

[0022] Figure 3 It is a whole structure schematic view of the filter assembly of the present application;

[0023] Figure 4 It is a sectional view schematic view of the filter box of the present application;

[0024] Figure 5 It is a whole structure schematic view of the motor and the valve core of the present application;

[0025] Figure 6It is partial overall structure schematic view of the filter assembly of the utility model.

[0026] Legend:

[0027] 1, nitrogen making assembly; 11, nitrogen making machine body; 12, mounting ring; 121, mounting hole; 2, filter assembly; 21, filter box; 211, air suction cover; 212, filter screen; 22, motor; 23, steering gear; 24, transmission shaft; 241, driving gear; 242, half gear; 25, valve core; 251, driven gear; 26, filter plate; 261, handle; 262, guide groove; 27, mounting plate; 271, guide strip; 28, brush; 29, spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model; The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanical connection, or electrical connection; It can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] Reference Figures 1-6The utility model provides a kind of embodiment: pressure control device for nitrogen generator, including nitrogen production component 1, nitrogen production component 1 side is provided with filter component 2, nitrogen production component 1 includes nitrogen generator body 11, air is carried out to work from filter box 21, nitrogen in air is extracted, filter component 2 includes filter box 21, air is filtered operation, ensure the cleanliness of air, filter box 21 is fixedly installed in nitrogen generator body 11 side, filter box 21 upper surface is provided with motor 22, motor 22 output end is fixedly connected with steering gear 23, steering gear 23 output end is fixedly connected with transmission shaft 24, steering gear 23 is provided with power by motor 22, steering gear 23 carries out conversion operation to the rotary force of motor 22, finally makes transmission shaft 24 rotate, in by transmission shaft 24 rotation installation in filter box 21, transmission shaft 24 side is provided with valve core 25, control filter box 21 inside opening and closing angle size, to carry out the regulation operation to the air pressure in filter box 21, valve core 25 is arranged in filter box 21 inside, transmission shaft 24 other side is provided with filter plate 26, air is carried out secondary filtering operation to the filter box 26 in 21, filter plate 26 is installed in filter box 21 inside, filter plate 26 side is provided with mounting plate 27, mounting plate 27 lower bottom surface is fixedly connected with brush 28, carries out cleaning operation to filter plate 26, guarantees the passability of filter plate 26, spring 29 is elastically connected between filter plate 26 and mounting plate 27, conveniently makes mounting plate 27 reset.

[0031] Nitrogen generator body 11 other side is fixedly connected with mounting ring 12, mounting ring 12 is opened on multiple groups of mounting holes 121, conveniently mounting nitrogen generator body 11 and other devices together, to carry out processing storage operation to the nitrogen made by nitrogen generator body 11, filter box 21 input end is fixedly connected with suction hood 211, filter screen 212 is arranged in suction hood 211 inside, carries out primary filtering operation to the air in filter box 21.

[0032] Transmission shaft 24 lower end is provided with driving gear 241, valve core 25 upper end is fixedly connected with driven gear 251, driving gear 241 outer surface is engagedly connected driven gear 251, and the number of teeth of driving gear 241 is less than the number of teeth of driven gear 251, driven gear 251 is transported power by driving gear 241, finally realizes the rotation operation to valve core 25, to realize the regulation operation to the air pressure in filter box 21 inside, and because the number of teeth of driving gear 241 and driven gear 251 is different, so as to be more accurate control the rotation angle of valve core 25, simultaneously also realizes the effect that transmission shaft 24 and valve core 25 rotate at different speeds.

[0033] The outer surface of the transmission shaft 24 is fixedly connected with a half gear 242, and the mounting plate 27 is matched with the half gear 242, so that the half gear 242 drives the mounting plate 27 to move linearly in the process of rotation, the upper surface of the filter plate 26 is fixedly connected with a handle 261, which facilitates the operator to lift the mounting plate 27, the filter plate 26 is provided with a guide groove 262, and the side of the mounting plate 27 is fixedly connected with a guide strip 271, the outer surface of the guide strip 271 is slidably connected with the guide groove 262, the guide groove 262 provides the guide operation for the mounting plate 27, so that the mounting plate 27 can only move linearly, and the guide groove 262 is designed as a T-shaped groove, and the guide strip 271 is designed as a T-shaped block.

[0034] Working principle: first, the filter screen 212 and the filter plate 26 are checked before the nitrogen is produced, and the cleanliness is checked, when the dust on the filter screen 212 and the filter plate 26 is more, the filter screen 212 and the filter plate 26 are taken down and cleaned, and the dust in the filter box 21 is also cleaned, after the cleaning is completed, the filter screen 212 and the filter plate 26 are installed, then the nitrogen machine body 11 is started, so that the nitrogen machine body 11 generates suction to suck the air outside into the filter box 21, the sucked air is first filtered by the filter screen 212, and then filtered by the filter plate 26, so that the cleanliness of the air entering the nitrogen machine body 11 is ensured, and finally the air is worked by the nitrogen machine body 11, and the produced nitrogen is delivered to other devices for further working.

[0035] When the air pressure needs to be adjusted, the motor 22 is started, and the rotating force of the motor 22 is transmitted to the transmission shaft 24 through the steering device 23, the transmission shaft 24 drives the driving gear 241 and the half gear 242 to rotate, the driving gear 241 drives the driven gear 251 to rotate, and finally the valve core 25 is rotated to control the opening angle of the filter box 21, so that the air pressure is controlled, and under the action of the half gear 242 and the spring 29, the mounting plate 27 is reciprocated, and finally the filter plate 26 is cleaned by the brush 28.

[0036] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A pressure control device for a nitrogen generator, comprising a nitrogen generating assembly (1), a filter assembly (2) is arranged on one side of the nitrogen generating assembly (1), characterized in that: The nitrogen making assembly (1) includes a nitrogen making machine body (11), the filter assembly (2) includes a filter box (21), the filter box (21) is fixedly installed on one side of the nitrogen making machine body (11), the upper surface of the filter box (21) is provided with a motor (22), the output end of the motor (22) is fixedly connected with a steering gear (23), the output end of the steering gear (23) is fixedly connected with a transmission shaft (24), the transmission shaft (24) is rotatably installed on the filter box (21), one side of the transmission shaft (24) is provided with a valve core (25), the valve core (25) is arranged in the filter box (21), the other side of the transmission shaft (24) is provided with a filter plate (26), the filter plate (26) is installed in the filter box (21), one side of the filter plate (26) is provided with a mounting plate (27), the lower bottom surface of the mounting plate (27) is fixedly connected with a brush (28), the filter plate (26) and the mounting plate (27) are elastically connected with a spring (29).

2. The pressure control device for a nitrogen generator according to claim 1, characterized by: The other side of the nitrogen making machine body (11) is fixedly connected with a mounting ring (12), a plurality of mounting holes (121) are formed in the mounting ring (12).

3. The pressure control device for a nitrogen generator according to claim 1, characterized by: The input end of the filter box (21) is fixedly connected with a suction hood (211), and the suction hood (211) is provided with a filter screen (212) inside.

4. The pressure control device for a nitrogen generator according to claim 1, characterized by: The lower end of the transmission shaft (24) is provided with a driving gear (241), the upper end of the valve core (25) is fixedly connected with a driven gear (251), the outer surface of the driving gear (241) is meshed with the driven gear (251), and the number of teeth of the driving gear (241) is less than the number of teeth of the driven gear (251).

5. The pressure control device for a nitrogen generator according to claim 1, characterized by: The outer surface of the transmission shaft (24) is fixedly connected with a half gear (242), and the mounting plate (27) is matched with the half gear (242).

6. The pressure control device for a nitrogen generator according to claim 1, characterized by: The upper surface of the filter plate (26) is fixedly connected with a handle (261).

7. The pressure control device for a nitrogen generator according to claim 1, characterized by: The filter plate (26) is provided with a guide groove (262) on the upper surface, and the mounting plate (27) is fixedly connected with a guide strip (271) on one side, and the outer surface of the guide strip (271) is slidably connected with the guide groove (262).

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