CN220918677U

CN220918677U - Vacuum gauge water mist drying filter

Info

Publication number: CN220918677U
Application number: CN202322749369.XU
Authority: CN
Inventors: 黄立福; 陆江艺; 黄春雨
Original assignee: Dongguan Fuyunlai Vacuum Technology Co ltd
Current assignee: Dongguan Fuyunlai Vacuum Technology Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-05-10
Anticipated expiration: 2033-10-13

Abstract

The utility model discloses a vacuum gauge water mist drying filter, which comprises a vacuum gauge and a clamp, wherein a filter is arranged below the vacuum gauge, the upper end and the lower end of the filter are both provided with connectors, channels for gas to flow are arranged on the connectors, the upper end connectors of the filter are communicated with the vacuum gauge, and the clamp is arranged at the joint of the filter and the vacuum gauge and locks and fixes the two connectors; the utility model has simple structure and convenient and quick use, and the front end of the vacuum gauge is provided with the drying filter so as to dry and filter the redundant moisture and water mist in the air in advance, and the filter is internally provided with the multiple drying filter layers, so that the redundant water mist in the air is effectively removed, the dryness of the input gas is ensured, and the filter is integrally of a detachable structure, thereby being convenient for a user to replace the internal parts quickly and timely, avoiding affecting the filtering effect, ensuring that the gas conveyed to the vacuum gauge is excellent gas, and avoiding affecting the precision parts and the detection precision in the vacuum gauge.

Description

Vacuum gauge water mist drying filter

Technical Field

The utility model relates to the technical field of vacuum gauges, in particular to a vacuum gauge water mist drying filter.

Background

In order to accurately monitor and control the vacuum degree in the cavity, a vacuum gauge is generally adopted for measurement, the current vacuum gauge is most commonly used as a capacitive film vacuum gauge, a film for sensing pressure is arranged in the vacuum gauge, and the detection principle is as follows: the pressure difference between the two sides of the film is utilized to deform and deflect the film, so that the distance between the film and the electrode is changed, the capacitance is changed, and finally the pressure change is obtained.

In the use of vacuum gauge, the gas that gets into can carry some moisture or water smoke, makes the air produce the phenomenon of condensing in this in-process easily to lead to vacuum gauge to receive the influence, even lead to the fact the damage to inside precision parts, consequently need handle unnecessary moisture or water smoke in the air, thereby extension equipment's life and application accuracy.

Therefore, a new technical solution is needed to solve the above problems.

Disclosure of utility model

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main purpose is to provide a vacuum gauge water mist drying filter.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a vacuum gauge water smoke dry filter, includes vacuum gauge and clamp, the below of vacuum gauge still is equipped with the filter, the upper and lower end of filter all is equipped with the connector, be equipped with the passageway that supplies the gas to flow on the connector, the upper end connector of filter is linked together with the vacuum gauge, the clamp is located the filter and is connected with vacuum gauge department and fixes its two locking;

The filter element comprises lower tip, well pipe and upper end, the casing upper end is equipped with the upper connection mouth that upwards stretches and is linked together with the vacuum gauge, the lower extreme of base is equipped with the lower connection mouth that downwards stretches, the casing suit is on the base and forms interior cavity, the filter element sets up between casing inner and base and separates into the filtration cavity.

As a preferable scheme, the filter element comprises a lower end part, a middle pipe and an upper end part, wherein the lower end part is a cylinder, one end of the cylinder is placed above a channel of the lower connecting port in an opening shape at the upper end of the base for allowing gas to enter, and a plurality of gas inlets for allowing gas to flow out are arranged at the side end of the lower end part and allow the gas to flow into the filter cavity.

As a preferable scheme, the middle pipe is provided with a plurality of vent holes for allowing gas to flow into the middle pipe, the vent holes are uniformly distributed on the side wall of the middle pipe for allowing gas to enter into the middle pipe, and water molecules in the gas are attached to the inner side wall of the middle pipe to form water drops to flow downwards.

As a preferable scheme, a drying chamber is formed between the upper end part of the middle pipe and the inner upper end of the shell, a plurality of ventilation holes are formed in the center of the upper end part for upward conveying of gas of the middle pipe, and a moisture filtering bag is filled in the drying chamber and used for absorbing residual water molecules in air so as to facilitate conveying of the dried gas into the vacuum gauge.

As a preferable scheme, the water filtering bag is one or more of calcium chloride desiccant, silica gel desiccant, molecular sieve desiccant, active mineral desiccant, fiber desiccant and bamboo charcoal desiccant.

As a preferable scheme, the number of the moisture filtering bags is plural, and the moisture filtering bags are detachably arranged in the drying chamber to absorb and filter moisture in secondary air.

As a preferable scheme, a drainage groove for draining the water drops on the inner wall of the middle pipe to the outside of the middle pipe is also arranged between the lower end of the middle pipe and the base, and the drainage groove is obliquely arranged so as to facilitate the water drops to flow to the base.

As a preferable scheme, the shell, the base and the filter element are detachably mounted, the shell and the base are fixedly connected together by bolts, and the upper end and the lower end of the filter element are respectively abutted against the upper end face of the base and the inner end face of the shell.

As a preferable scheme, the vacuum gauge further comprises a sealing silica gel ring, wherein the sealing silica gel ring is arranged between the vacuum gauge and the filter and is extruded by the vacuum gauge and the filter to generate elastic deformation sealing.

As a preferable scheme, the clamp comprises two arc-shaped fasteners, a locking screw and a screwing locking block, one ends of the two arc-shaped fasteners are movably connected together, and the other ends of the two arc-shaped fasteners are screwed and locked together by the locking screw and the screwing locking block.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows: the utility model has simple structure and convenient and quick use, and the front end of the vacuum gauge is provided with the drying filter so as to dry and filter the redundant moisture and water mist in the air in advance, and the filter is internally provided with the multiple drying filter layers, so that the redundant water mist in the air is effectively removed, the dryness of the input gas is ensured, and the filter is integrally of a detachable structure, thereby being convenient for a user to replace the internal parts quickly and timely, avoiding affecting the filtering effect, ensuring that the gas conveyed to the vacuum gauge is excellent gas, and avoiding affecting the precision parts and the detection precision in the vacuum gauge.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic exploded view of the present utility model.

FIG. 3 is a schematic exploded view of the filter of the present utility model.

FIG. 4 is a schematic cross-sectional view of a filter according to the present utility model.

Wherein, each reference sign in the figure:

100. A vacuum gauge; 200. a clamp; 300. a filter; 310. a housing; 311. an upper connection port; 320. a base; 321. a lower connecting port; 330. a filter; 331. a lower end portion; 3311. an air inlet; 332. a middle tube; 3321. a vent hole; 333. an upper end portion; 3331. ventilation holes; 340. an inner cavity; 341. a filtration chamber; 342. a drying chamber; 400. a moisture filtration pack; 500. and sealing the silica gel ring.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Referring to fig. 1-4: the utility model provides a vacuum gauge water smoke dry filter, including vacuum gauge 100 and clamp 200, still be equipped with filter 300 in the below of vacuum gauge 100, and filter 300's upper and lower extreme all is equipped with the connector and is used for being connected with vacuum gauge 100 and air inlet equipment, and be equipped with the passageway that the gas flow is equipped with on the connector, upper end connector and vacuum gauge 100 of filter 300 are linked together, make air inlet equipment can carry out dry filtration and export vacuum gauge 100 use with the gas input through the passageway, then set up clamp 200 in filter 300 and vacuum gauge 100 junction, and hold both with it and clamp fixed locking through clamp 200, in order to prevent the leakage of gas.

In this embodiment, the filter 300 includes a housing 310, a base 320 and a filter 330, an upper connection port 311 protruding upward is provided at an upper end of the housing 310 and communicating with the vacuum gauge 100, and a lower connection port 321 protruding downward is provided at a lower end of the base 320, the upper connection port 311 of the housing 310 is communicated with the vacuum gauge 100 and locked and fixed together for use, wherein the housing 310 is sleeved on the base 320 and forms an inner cavity 340 therebetween, and the filter 330 is disposed between the inner end of the housing 310 and the base 320, such that a filtering chamber 341 is divided in the inner cavity 340 for filtering water mist in air.

Specifically, the filter 330 is composed of a lower end 331, a middle tube 332 and an upper end 333, the lower end 331 is configured as a cylinder, and is configured as an opening at one end of the cylinder, and is placed on the upper end of the base 320 and located above the channel of the lower connection port 321 so that gas can enter the inner cavity 340, and the side end of the lower end 331 is provided with a plurality of gas inlets 3311 through which gas flows out, and the gas can flow into the filter chamber 341 through the ports after entering.

Further, a plurality of ventilation holes 3321 are further formed on the middle tube 332 to allow the gas to flow into the middle tube 332 therethrough, and the ventilation holes 3321 are uniformly distributed on the side wall of the middle tube 332, so that the gas can enter into the middle tube 332 from different directions to perform the first heavy water filtration, specifically, the water molecules in the gas are attached to the inner side wall of the middle tube 332, and the water molecules on the side wall are accumulated to form water droplets and flow downwards.

Further, a drain groove for draining the water drops on the inner wall of the middle tube 332 to the outside of the middle tube 332 is arranged between the lower end of the middle tube 332 and the base 320, and the drain groove is obliquely arranged so that the water drops can flow and drain to the outside of the base 320.

In this embodiment, the upper end 333 of the middle tube 332 abuts against the inner upper end of the housing 310 to form a drying chamber 342 therebetween, and a plurality of air holes 3331 are provided at the center of the upper end 333 for upward transportation of the gas of the middle tube 332, and the moisture filtering bag 400 is filled in the drying chamber 342 for absorbing the residual water molecules in the air so as to facilitate transportation of the dried gas into the vacuum gauge 100, and the moisture filtering bag 400 is adopted for performing a second water molecule absorption and filtration, so that the moisture content in the air is reduced to the minimum, the use environment of the vacuum gauge 100 is ensured, and the influence on the parts inside the vacuum gauge is avoided, thereby affecting the accuracy and the usability.

Specifically, the moisture filtering package 400 is one or more of calcium chloride desiccant, silica gel desiccant, molecular sieve desiccant, active mineral desiccant, fiber desiccant, and bamboo charcoal desiccant.

Further, the number of the moisture filtering bags 400 is set to be plural, and the plural moisture filtering bags 400 are detachably placed in the drying chamber 342 for performing secondary absorption and filtration on moisture in the air, so that the gas output to the vacuum gauge 100 is further ensured to contain no water mist, and the service time and accuracy of the device are prolonged.

In this embodiment, the housing 310, the base 320 and the filter element 330 are all detachably mounted for fixing, wherein the housing 310 and the base 320 are connected and fixed together by bolts, and the upper and lower ends of the filter element 330 are respectively abutted against the upper end surface of the base 320 and the inner end surface of the housing 310, so that the two firmly clamp the filter element 330 therein for filtering.

In this embodiment, the sealing silica gel ring 500 is further included, and the sealing silica gel ring 500 is placed between the vacuum gauge 100 and the filter 300, and is pressed by the vacuum gauge 100 and the filter 300 to generate elastic deformation sealing, so that the sealing silica gel ring has good air tightness, and prevents air leakage.

Specifically, the clamp 200 that uses includes two arc fasteners, locking screw and twists the locking piece, the one end swing joint of two arc fasteners is in the same place, install the one end of locking screw at the tip of arbitrary arc fastener again, when the installation is buckled, through rotating locking screw to another arc fastener in, the rethread twists the locking piece suit on locking screw and screw up for two arc fasteners can be firmly lock together, guarantee vacuum gauge 100, filter 300 and sealed silicone gasket 500 between can not appear the condition of gas leakage.

The foregoing description of the preferred embodiments of the present utility model has been provided for the purpose of illustrating the general principles of the present utility model and is not to be construed as limiting the scope of the utility model in any way. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model, and other embodiments of the present utility model as will occur to those skilled in the art without the exercise of inventive faculty, are intended to be included within the scope of the present utility model.

Claims

1. The utility model provides a vacuum gauge water smoke dry filter, includes vacuum gauge and clamp, its characterized in that: the lower part of the vacuum gauge is also provided with a filter, the upper end and the lower end of the filter are both provided with connectors, the connectors are provided with channels for gas to flow, the upper end connectors of the filter are communicated with the vacuum gauge, and the clamp is arranged at the joint of the filter and the vacuum gauge and locks and fixes the filter and the vacuum gauge;

The filter comprises a shell, a base and a filter element, wherein an upper connecting port which protrudes upwards and is communicated with the vacuum gauge is arranged at the upper end of the shell, a lower connecting port which protrudes downwards is arranged at the lower end of the base, the shell is sleeved on the base and forms an inner cavity, and the filter element is arranged between the inner end of the shell and the base and is divided into a filter cavity.

2. A vacuum gauge mist drying filter according to claim 1, characterized in that: the filter element comprises lower tip, well pipe and upper end, the lower tip is the cylinder, and the one end of cylinder is the opening form and places in the base upper end and be located the passageway top of lower connector in order to get into with the gas, the side of lower tip is equipped with the air inlet that several gas flows out and makes the gas inflow to the filter chamber in.

3. A vacuum gauge mist drying filter according to claim 2, characterized in that: the middle pipe is provided with a plurality of vent holes for allowing gas to flow into the middle pipe from the middle pipe, the vent holes are uniformly distributed on the side wall of the middle pipe for allowing gas to enter the middle pipe, and water molecules in the gas are attached to the inner side wall of the middle pipe to form water drops to flow downwards.

4. A vacuum gauge mist drying filter according to claim 3, characterised in that: the upper end of the middle pipe and the inner upper end of the shell form a drying chamber, a plurality of air holes are formed in the center of the upper end for upward conveying of gas of the middle pipe, and a moisture filtering bag is filled in the drying chamber and used for absorbing residual water molecules in air so as to facilitate conveying of the drying gas into the vacuum gauge.

5. A vacuum gauge mist drying filter according to claim 4, wherein: the moisture filtering bag is one or more of calcium chloride desiccant, silica gel desiccant, molecular sieve desiccant, active mineral desiccant, fiber desiccant and bamboo charcoal desiccant.

6. A vacuum gauge mist drying filter according to claim 5, wherein: the number of the moisture filtering bags is plural, and the moisture filtering bags are detachably placed in the drying chamber to absorb and filter moisture in secondary air.

7. A vacuum gauge mist drying filter according to claim 3, characterised in that: and a drainage groove for draining the water drops on the inner wall of the middle pipe to the outside of the middle pipe is also arranged between the lower end of the middle pipe and the base, and the drainage groove is obliquely arranged so that the water drops flow to the base.

8. A vacuum gauge mist drying filter according to claim 1, characterized in that: the shell, the base and the filter piece are detachably mounted, the shell and the base are fixedly connected together through bolts, and the upper end and the lower end of the filter piece are respectively abutted against the upper end face of the base and the inner end face of the shell.

9. A vacuum gauge mist drying filter according to claim 1, characterized in that: the vacuum gauge is characterized by further comprising a sealing silica gel ring, wherein the sealing silica gel ring is arranged between the vacuum gauge and the filter and is extruded by the vacuum gauge and the filter to generate elastic deformation sealing.

10. A vacuum gauge mist drying filter according to claim 9, wherein: the clamp comprises two arc-shaped fasteners, a locking screw and a screwing locking block, one ends of the two arc-shaped fasteners are movably connected together, and the other ends of the two arc-shaped fasteners are screwed and locked together by the locking screw and the screwing locking block.